diff options
Diffstat (limited to 'src/guichan/widgets')
32 files changed, 9400 insertions, 0 deletions
diff --git a/src/guichan/widgets/button.cpp b/src/guichan/widgets/button.cpp new file mode 100644 index 000000000..199f5c96e --- /dev/null +++ b/src/guichan/widgets/button.cpp @@ -0,0 +1,284 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/button.hpp" + +#include "guichan/exception.hpp" +#include "guichan/font.hpp" +#include "guichan/graphics.hpp" +#include "guichan/key.hpp" +#include "guichan/mouseevent.hpp" +#include "guichan/mouseinput.hpp" + +namespace gcn +{ + Button::Button() + : mHasMouse(false), + mKeyPressed(false), + mMousePressed(false), + mAlignment(Graphics::CENTER), + mSpacing(4) + { + setFocusable(true); + adjustSize(); + setFrameSize(1); + + addMouseListener(this); + addKeyListener(this); + addFocusListener(this); + } + + Button::Button(const std::string& caption) + : mCaption(caption), + mHasMouse(false), + mKeyPressed(false), + mMousePressed(false), + mAlignment(Graphics::CENTER), + mSpacing(4) + { + setFocusable(true); + adjustSize(); + setFrameSize(1); + + addMouseListener(this); + addKeyListener(this); + addFocusListener(this); + } + + void Button::setCaption(const std::string& caption) + { + mCaption = caption; + } + + const std::string& Button::getCaption() const + { + return mCaption; + } + + void Button::setAlignment(Graphics::Alignment alignment) + { + mAlignment = alignment; + } + + Graphics::Alignment Button::getAlignment() const + { + return mAlignment; + } + + void Button::setSpacing(unsigned int spacing) + { + mSpacing = spacing; + } + + unsigned int Button::getSpacing() const + { + return mSpacing; + } + + void Button::draw(Graphics* graphics) + { + Color faceColor = getBaseColor(); + Color highlightColor, shadowColor; + int alpha = getBaseColor().a; + + if (isPressed()) + { + faceColor = faceColor - 0x303030; + faceColor.a = alpha; + highlightColor = faceColor - 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor + 0x303030; + shadowColor.a = alpha; + } + else + { + highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + } + + graphics->setColor(faceColor); + graphics->fillRectangle(Rectangle(1, 1, getDimension().width-1, getHeight() - 1)); + + graphics->setColor(highlightColor); + graphics->drawLine(0, 0, getWidth() - 1, 0); + graphics->drawLine(0, 1, 0, getHeight() - 1); + + graphics->setColor(shadowColor); + graphics->drawLine(getWidth() - 1, 1, getWidth() - 1, getHeight() - 1); + graphics->drawLine(1, getHeight() - 1, getWidth() - 1, getHeight() - 1); + + graphics->setColor(getForegroundColor()); + + int textX; + int textY = getHeight() / 2 - getFont()->getHeight() / 2; + + switch (getAlignment()) + { + case Graphics::LEFT: + textX = mSpacing; + break; + case Graphics::CENTER: + textX = getWidth() / 2; + break; + case Graphics::RIGHT: + textX = getWidth() - mSpacing; + break; + default: + throw GCN_EXCEPTION("Unknown alignment."); + } + + graphics->setFont(getFont()); + + if (isPressed()) + { + graphics->drawText(getCaption(), textX + 1, textY + 1, getAlignment()); + } + else + { + graphics->drawText(getCaption(), textX, textY, getAlignment()); + + if (isFocused()) + { + graphics->drawRectangle(Rectangle(2, 2, getWidth() - 4, + getHeight() - 4)); + } + } + } + + void Button::adjustSize() + { + setWidth(getFont()->getWidth(mCaption) + 2*mSpacing); + setHeight(getFont()->getHeight() + 2*mSpacing); + } + + bool Button::isPressed() const + { + if (mMousePressed) + { + return mHasMouse; + } + else + { + return mKeyPressed; + } + } + + void Button::mousePressed(MouseEvent& mouseEvent) + { + if (mouseEvent.getButton() == MouseEvent::LEFT) + { + mMousePressed = true; + mouseEvent.consume(); + } + } + + void Button::mouseExited(MouseEvent& mouseEvent) + { + mHasMouse = false; + } + + void Button::mouseEntered(MouseEvent& mouseEvent) + { + mHasMouse = true; + } + + void Button::mouseReleased(MouseEvent& mouseEvent) + { + if (mouseEvent.getButton() == MouseEvent::LEFT + && mMousePressed + && mHasMouse) + { + mMousePressed = false; + distributeActionEvent(); + mouseEvent.consume(); + } + else if (mouseEvent.getButton() == MouseEvent::LEFT) + { + mMousePressed = false; + mouseEvent.consume(); + } + } + + void Button::mouseDragged(MouseEvent& mouseEvent) + { + mouseEvent.consume(); + } + + void Button::keyPressed(KeyEvent& keyEvent) + { + Key key = keyEvent.getKey(); + + if (key.getValue() == Key::ENTER + || key.getValue() == Key::SPACE) + { + mKeyPressed = true; + keyEvent.consume(); + } + } + + void Button::keyReleased(KeyEvent& keyEvent) + { + Key key = keyEvent.getKey(); + + if ((key.getValue() == Key::ENTER + || key.getValue() == Key::SPACE) + && mKeyPressed) + { + mKeyPressed = false; + distributeActionEvent(); + keyEvent.consume(); + } + } + + void Button::focusLost(const Event& event) + { + mMousePressed = false; + mKeyPressed = false; + } +} diff --git a/src/guichan/widgets/button.hpp b/src/guichan/widgets/button.hpp new file mode 100644 index 000000000..cfe097327 --- /dev/null +++ b/src/guichan/widgets/button.hpp @@ -0,0 +1,214 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_BUTTON_HPP +#define GCN_BUTTON_HPP + +#include <string> + +#include "guichan/focuslistener.hpp" +#include "guichan/graphics.hpp" +#include "guichan/keylistener.hpp" +#include "guichan/mouseevent.hpp" +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" +#include "guichan/widget.hpp" + +namespace gcn +{ + /** + * An implementation of a regular clickable button. A button is capable of + * displaying a caption. + * + * If a button is clicked an action event will be sent to all action listener's + * of the button. + * + * @see ImageButton + */ + class GCN_CORE_DECLSPEC Button : public Widget, + public MouseListener, + public KeyListener, + public FocusListener + { + public: + /** + * Constructor. + */ + Button(); + + /** + * Constructor. The button will be automatically resized + * to fit the caption. + * + * @param caption The caption of the button. + */ + Button(const std::string& caption); + + /** + * Sets the caption of the button. It's advisable to call + * adjustSize after setting of the caption to adjust the + * button's size to fit the caption. + * + * @param caption The caption of the button. + * @see getCaption, adjustSize + */ + void setCaption(const std::string& caption); + + /** + * Gets the caption of the button. + * + * @return The caption of the button. + */ + const std::string& getCaption() const; + + /** + * Sets the alignment of the caption. The alignment is relative + * to the center of the button. + * + * @param alignment The alignment of the caption. + * @see getAlignment, Graphics + */ + void setAlignment(Graphics::Alignment alignment); + + /** + * Gets the alignment of the caption. + * + * @return The alignment of the caption. + * @see setAlignment, Graphics + */ + Graphics::Alignment getAlignment() const; + + /** + * Sets the spacing between the border of the button and its caption. + * + * @param spacing The default value for spacing is 4 and can be changed + * using this method. + * @see getSpacing + */ + void setSpacing(unsigned int spacing); + + /** + * Gets the spacing between the border of the button and its caption. + * + * @return spacing. + * @see setSpacing + */ + unsigned int getSpacing() const; + + /** + * Adjusts the button's size to fit the caption. + */ + void adjustSize(); + + + //Inherited from Widget + + virtual void draw(Graphics* graphics); + + + // Inherited from FocusListener + + virtual void focusLost(const Event& event); + + + // Inherited from MouseListener + + virtual void mousePressed(MouseEvent& mouseEvent); + + virtual void mouseReleased(MouseEvent& mouseEvent); + + virtual void mouseEntered(MouseEvent& mouseEvent); + + virtual void mouseExited(MouseEvent& mouseEvent); + + virtual void mouseDragged(MouseEvent& mouseEvent); + + + // Inherited from KeyListener + + virtual void keyPressed(KeyEvent& keyEvent); + + virtual void keyReleased(KeyEvent& keyEvent); + + protected: + /** + * Checks if the button is pressed. Convenient method to use + * when overloading the draw method of the button. + * + * @return True if the button is pressed, false otherwise. + */ + bool isPressed() const; + + /** + * Holds the caption of the button. + */ + std::string mCaption; + + /** + * True if the mouse is ontop of the button, false otherwise. + */ + bool mHasMouse; + + /** + * True if a key has been pressed, false otherwise. + */ + bool mKeyPressed; + + /** + * True if a mouse has been pressed, false otherwise. + */ + bool mMousePressed; + + /** + * Holds the alignment of the caption. + */ + Graphics::Alignment mAlignment; + + /** + * Holds the spacing between the border and the caption. + */ + unsigned int mSpacing; + }; +} + +#endif // end GCN_BUTTON_HPP diff --git a/src/guichan/widgets/checkbox.cpp b/src/guichan/widgets/checkbox.cpp new file mode 100644 index 000000000..5f0a52612 --- /dev/null +++ b/src/guichan/widgets/checkbox.cpp @@ -0,0 +1,189 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/checkbox.hpp" + +#include "guichan/font.hpp" +#include "guichan/graphics.hpp" +#include "guichan/key.hpp" +#include "guichan/mouseinput.hpp" + +namespace gcn +{ + + CheckBox::CheckBox() + { + setSelected(false); + + setFocusable(true); + addMouseListener(this); + addKeyListener(this); + } + + CheckBox::CheckBox(const std::string &caption, bool selected) + { + setCaption(caption); + setSelected(selected); + + setFocusable(true); + addMouseListener(this); + addKeyListener(this); + + adjustSize(); + } + + void CheckBox::draw(Graphics* graphics) + { + drawBox(graphics); + + graphics->setFont(getFont()); + graphics->setColor(getForegroundColor()); + + const int h = getHeight() + getHeight() / 2; + + graphics->drawText(getCaption(), h - 2, 0); + } + + void CheckBox::drawBox(Graphics *graphics) + { + const int h = getHeight() - 2; + const int alpha = getBaseColor().a; + Color faceColor = getBaseColor(); + faceColor.a = alpha; + Color highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + Color shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + graphics->setColor(shadowColor); + graphics->drawLine(1, 1, h, 1); + graphics->drawLine(1, 1, 1, h); + + graphics->setColor(highlightColor); + graphics->drawLine(h, 1, h, h); + graphics->drawLine(1, h, h - 1, h); + + graphics->setColor(getBackgroundColor()); + graphics->fillRectangle(Rectangle(2, 2, h - 2, h - 2)); + + graphics->setColor(getForegroundColor()); + + if (isFocused()) + { + graphics->drawRectangle(Rectangle(0, 0, h + 2, h + 2)); + } + + if (mSelected) + { + graphics->drawLine(3, 5, 3, h - 2); + graphics->drawLine(4, 5, 4, h - 2); + + graphics->drawLine(5, h - 3, h - 2, 4); + graphics->drawLine(5, h - 4, h - 4, 5); + } + } + + bool CheckBox::isSelected() const + { + return mSelected; + } + + void CheckBox::setSelected(bool selected) + { + mSelected = selected; + } + + const std::string &CheckBox::getCaption() const + { + return mCaption; + } + + void CheckBox::setCaption(const std::string& caption) + { + mCaption = caption; + } + + void CheckBox::keyPressed(KeyEvent& keyEvent) + { + Key key = keyEvent.getKey(); + + if (key.getValue() == Key::ENTER || + key.getValue() == Key::SPACE) + { + toggleSelected(); + keyEvent.consume(); + } + } + + void CheckBox::mouseClicked(MouseEvent& mouseEvent) + { + if (mouseEvent.getButton() == MouseEvent::LEFT) + { + toggleSelected(); + } + } + + void CheckBox::mouseDragged(MouseEvent& mouseEvent) + { + mouseEvent.consume(); + } + + void CheckBox::adjustSize() + { + int height = getFont()->getHeight(); + + setHeight(height); + setWidth(getFont()->getWidth(mCaption) + height + height / 2); + } + + void CheckBox::toggleSelected() + { + mSelected = !mSelected; + distributeActionEvent(); + } +} + diff --git a/src/guichan/widgets/checkbox.hpp b/src/guichan/widgets/checkbox.hpp new file mode 100644 index 000000000..ad43e2896 --- /dev/null +++ b/src/guichan/widgets/checkbox.hpp @@ -0,0 +1,173 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_CHECKBOX_HPP +#define GCN_CHECKBOX_HPP + +#include <string> + +#include "guichan/keylistener.hpp" +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" +#include "guichan/widget.hpp" + +namespace gcn +{ + /** + * An implementation of a check box where a user can select or deselect + * the check box and where the status of the check box is displayed to the user. + * A check box is capable of displaying a caption. + * + * If a check box's state changes an action event will be sent to all action + * listeners of the check box. + */ + class GCN_CORE_DECLSPEC CheckBox : + public Widget, + public MouseListener, + public KeyListener + { + public: + + /** + * Contructor. + */ + CheckBox(); + + /** + * Constructor. The check box will be automatically resized + * to fit the caption. + * + * @param caption The caption of the check box. + * @param marked True if the check box is selected, false otherwise. + */ + CheckBox(const std::string &caption, bool selected = false); + + /** + * Destructor. + */ + virtual ~CheckBox() { } + + /** + * Checks if the check box is selected. + * + * @return True if the check box is selected, false otherwise. + * @see setSelected + */ + bool isSelected() const; + + /** + * Sets the check box to be selected or not. + * + * @param selected True if the check box should be set as selected. + * @see isSelected + */ + void setSelected(bool selected); + + /** + * Gets the caption of the check box. + * + * @return The caption of the check box. + * @see setCaption + */ + const std::string &getCaption() const; + + /** + * Sets the caption of the check box. It's advisable to call + * adjustSize after setting of the caption to adjust the + * check box's size to fit the caption. + * + * @param caption The caption of the check box. + * @see getCaption, adjustSize + */ + void setCaption(const std::string& caption); + + /** + * Adjusts the check box's size to fit the caption. + */ + void adjustSize(); + + + // Inherited from Widget + + virtual void draw(Graphics* graphics); + + + // Inherited from KeyListener + + virtual void keyPressed(KeyEvent& keyEvent); + + + // Inherited from MouseListener + + virtual void mouseClicked(MouseEvent& mouseEvent); + + virtual void mouseDragged(MouseEvent& mouseEvent); + + + protected: + /** + * Draws the box of the check box. + * + * @param graphics A Graphics object to draw with. + */ + virtual void drawBox(Graphics *graphics); + + /** + * Toggles the check box between being selected and + * not being selected. + */ + virtual void toggleSelected(); + + /** + * True if the check box is selected, false otherwise. + */ + bool mSelected; + + /** + * Holds the caption of the check box. + */ + std::string mCaption; + }; +} + +#endif // end GCN_CHECKBOX_HPP diff --git a/src/guichan/widgets/container.cpp b/src/guichan/widgets/container.cpp new file mode 100644 index 000000000..c9a845497 --- /dev/null +++ b/src/guichan/widgets/container.cpp @@ -0,0 +1,112 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/container.hpp" + +#include "guichan/exception.hpp" +#include "guichan/graphics.hpp" + +namespace gcn +{ + + Container::Container() + { + mOpaque = true; + } + + Container::~Container() + { + + } + + void Container::draw(Graphics* graphics) + { + if (isOpaque()) + { + graphics->setColor(getBaseColor()); + graphics->fillRectangle(Rectangle(0, 0, getWidth(), getHeight())); + } + + drawChildren(graphics); + } + + void Container::setOpaque(bool opaque) + { + mOpaque = opaque; + } + + bool Container::isOpaque() const + { + return mOpaque; + } + + void Container::add(Widget* widget) + { + BasicContainer::add(widget); + } + + void Container::add(Widget* widget, int x, int y) + { + widget->setPosition(x, y); + BasicContainer::add(widget); + } + + void Container::remove(Widget* widget) + { + BasicContainer::remove(widget); + } + + void Container::clear() + { + BasicContainer::clear(); + } + + Widget* Container::findWidgetById(const std::string &id) + { + return BasicContainer::findWidgetById(id); + } +} diff --git a/src/guichan/widgets/container.hpp b/src/guichan/widgets/container.hpp new file mode 100644 index 000000000..4946b1f74 --- /dev/null +++ b/src/guichan/widgets/container.hpp @@ -0,0 +1,162 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_CONTAINER_HPP +#define GCN_CONTAINER_HPP + +#include <list> + +#include "guichan/basiccontainer.hpp" +#include "guichan/graphics.hpp" +#include "guichan/platform.hpp" + +namespace gcn +{ + /** + * An implementation of a container able to contain other widgets. A widget's + * position in the container is relative to the container itself and not the screen. + * A container is the most common widget to use as the Gui's top widget as makes the Gui + * able to contain more than one widget. + * + * @see Gui::setTop + */ + class GCN_CORE_DECLSPEC Container: public BasicContainer + { + public: + + /** + * Constructor. A container is opauqe as default, if you want a + * none opaque container call setQpaque(false). + * + * @see setOpaque, isOpaque + */ + Container(); + + /** + * Destructor. + */ + virtual ~Container(); + + /** + * Sets the container to be opaque or not. If the container + * is opaque its background will be drawn, if it's not opaque + * its background will not be drawn, and thus making the container + * completely transparent. + * + * NOTE: This is not the same as to set visibility. A non visible + * container will not itself nor will it draw its content. + * + * @param opaque True if the container should be opaque, false otherwise. + * @see isOpaque + */ + void setOpaque(bool opaque); + + /** + * Checks if the container is opaque or not. + * + * @return True if the container is opaque, false otherwise. + * @see setOpaque + */ + bool isOpaque() const; + + /** + * Adds a widget to the container. + * + * @param widget The widget to add. + * @see remove, clear + */ + virtual void add(Widget* widget); + + /** + * Adds a widget to the container and also specifies the widget's + * position in the container. The position is relative to the container + * and not relative to the screen. + * + * @param widget The widget to add. + * @param x The x coordinate for the widget. + * @param y The y coordinate for the widget. + * @see remove, clear + */ + virtual void add(Widget* widget, int x, int y); + + /** + * Removes a widget from the Container. + * + * @param widget The widget to remove. + * @throws Exception when the widget has not been added to the + * container. + * @see add, clear + */ + virtual void remove(Widget* widget); + + /** + * Clears the container of all widgets. + * + * @see add, remove + */ + virtual void clear(); + + /** + * Finds a widget given an id. + * + * @param id The id to find a widget by. + * @return A widget with a corrosponding id, NULL if no widget + * is found. + * @see Widget::setId + */ + virtual Widget* findWidgetById(const std::string &id); + + + // Inherited from Widget + + virtual void draw(Graphics* graphics); + + protected: + /** + * True if the container is opaque, false otherwise. + */ + bool mOpaque; + }; +} + +#endif // end GCN_CONTAINER_HPP diff --git a/src/guichan/widgets/dropdown.cpp b/src/guichan/widgets/dropdown.cpp new file mode 100644 index 000000000..ad0a14cf5 --- /dev/null +++ b/src/guichan/widgets/dropdown.cpp @@ -0,0 +1,635 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "guichan/widgets/dropdown.hpp" + +#include "guichan/exception.hpp" +#include "guichan/font.hpp" +#include "guichan/graphics.hpp" +#include "guichan/key.hpp" +#include "guichan/listmodel.hpp" +#include "guichan/mouseinput.hpp" +#include "guichan/widgets/listbox.hpp" +#include "guichan/widgets/scrollarea.hpp" + +namespace gcn +{ + DropDown::DropDown(ListModel *listModel, + ScrollArea *scrollArea, + ListBox *listBox) + { + setWidth(100); + setFocusable(true); + mDroppedDown = false; + mPushed = false; + mIsDragged = false; + + setInternalFocusHandler(&mInternalFocusHandler); + + mInternalScrollArea = (scrollArea == NULL); + mInternalListBox = (listBox == NULL); + + if (mInternalScrollArea) + { + mScrollArea = new ScrollArea(); + } + else + { + mScrollArea = scrollArea; + } + + if (mInternalListBox) + { + mListBox = new ListBox(); + } + else + { + mListBox = listBox; + } + + mScrollArea->setContent(mListBox); + add(mScrollArea); + + mListBox->addActionListener(this); + mListBox->addSelectionListener(this); + + setListModel(listModel); + + if (mListBox->getSelected() < 0) + { + mListBox->setSelected(0); + } + + addMouseListener(this); + addKeyListener(this); + addFocusListener(this); + + adjustHeight(); + } + + DropDown::~DropDown() + { + if (widgetExists(mListBox)) + { + mListBox->removeActionListener(this); + mListBox->removeSelectionListener(this); + } + + if (mInternalScrollArea) + { + delete mScrollArea; + } + + if (mInternalListBox) + { + delete mListBox; + } + + setInternalFocusHandler(NULL); + } + + void DropDown::draw(Graphics* graphics) + { + int h; + + if (mDroppedDown) + { + h = mFoldedUpHeight; + } + else + { + h = getHeight(); + } + + Color faceColor = getBaseColor(); + Color highlightColor, shadowColor; + int alpha = getBaseColor().a; + highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + // Draw a border. + graphics->setColor(shadowColor); + graphics->drawLine(0, 0, getWidth() - 1, 0); + graphics->drawLine(0, 1, 0, h - 2); + graphics->setColor(highlightColor); + graphics->drawLine(getWidth() - 1, 1, getWidth() - 1, h - 1); + graphics->drawLine(0, h - 1, getWidth() - 1, h - 1); + + // Push a clip area so the other drawings don't need to worry + // about the border. + graphics->pushClipArea(Rectangle(1, 1, getWidth() - 2, h - 2)); + const Rectangle currentClipArea = graphics->getCurrentClipArea(); + + graphics->setColor(getBackgroundColor()); + graphics->fillRectangle(Rectangle(0, 0, currentClipArea.width, currentClipArea.height)); + + if (isFocused()) + { + graphics->setColor(getSelectionColor()); + graphics->fillRectangle(Rectangle(0, + 0, + currentClipArea.width - currentClipArea.height, + currentClipArea.height)); + graphics->setColor(getForegroundColor()); + } + + if (mListBox->getListModel() + && mListBox->getSelected() >= 0) + { + graphics->setColor(getForegroundColor()); + graphics->setFont(getFont()); + + graphics->drawText(mListBox->getListModel()->getElementAt(mListBox->getSelected()), 1, 0); + } + + // Push a clip area before drawing the button. + graphics->pushClipArea(Rectangle(currentClipArea.width - currentClipArea.height, + 0, + currentClipArea.height, + currentClipArea.height)); + drawButton(graphics); + graphics->popClipArea(); + graphics->popClipArea(); + + if (mDroppedDown) + { + // Draw a border around the children. + graphics->setColor(shadowColor); + graphics->drawRectangle(Rectangle(0, + mFoldedUpHeight, + getWidth(), + getHeight() - mFoldedUpHeight)); + drawChildren(graphics); + } + } + + void DropDown::drawButton(Graphics *graphics) + { + Color faceColor, highlightColor, shadowColor; + int offset; + int alpha = getBaseColor().a; + + if (mPushed) + { + faceColor = getBaseColor() - 0x303030; + faceColor.a = alpha; + highlightColor = faceColor - 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor + 0x303030; + shadowColor.a = alpha; + offset = 1; + } + else + { + faceColor = getBaseColor(); + faceColor.a = alpha; + highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + offset = 0; + } + + const Rectangle currentClipArea = graphics->getCurrentClipArea(); + graphics->setColor(highlightColor); + graphics->drawLine(0, + 0, + currentClipArea.width - 1, + 0); + graphics->drawLine(0, + 1, + 0, + currentClipArea.height - 1); + graphics->setColor(shadowColor); + graphics->drawLine(currentClipArea.width - 1, + 1, + currentClipArea.width - 1, + currentClipArea.height - 1); + graphics->drawLine(1, + currentClipArea.height - 1, + currentClipArea.width - 2, + currentClipArea.height - 1); + + graphics->setColor(faceColor); + graphics->fillRectangle(Rectangle(1, + 1, + currentClipArea.width - 2, + currentClipArea.height - 2)); + + graphics->setColor(getForegroundColor()); + + int i; + int n = currentClipArea.height / 3; + int dx = currentClipArea.height / 2; + int dy = (currentClipArea.height * 2) / 3; + for (i = 0; i < n; i++) + { + graphics->drawLine(dx - i + offset, + dy - i + offset, + dx + i + offset, + dy - i + offset); + } + } + + int DropDown::getSelected() const + { + return mListBox->getSelected(); + } + + void DropDown::setSelected(int selected) + { + if (selected >= 0) + { + mListBox->setSelected(selected); + } + } + + void DropDown::keyPressed(KeyEvent& keyEvent) + { + if (keyEvent.isConsumed()) + return; + + Key key = keyEvent.getKey(); + + if ((key.getValue() == Key::ENTER || key.getValue() == Key::SPACE) + && !mDroppedDown) + { + dropDown(); + keyEvent.consume(); + } + else if (key.getValue() == Key::UP) + { + setSelected(getSelected() - 1); + keyEvent.consume(); + } + else if (key.getValue() == Key::DOWN) + { + setSelected(getSelected() + 1); + keyEvent.consume(); + } + } + + void DropDown::mousePressed(MouseEvent& mouseEvent) + { + // If we have a mouse press on the widget. + if (0 <= mouseEvent.getY() + && mouseEvent.getY() < getHeight() + && mouseEvent.getX() >= 0 + && mouseEvent.getX() < getWidth() + && mouseEvent.getButton() == MouseEvent::LEFT + && !mDroppedDown + && mouseEvent.getSource() == this) + { + mPushed = true; + dropDown(); + requestModalMouseInputFocus(); + } + // Fold up the listbox if the upper part is clicked after fold down + else if (0 <= mouseEvent.getY() + && mouseEvent.getY() < mFoldedUpHeight + && mouseEvent.getX() >= 0 + && mouseEvent.getX() < getWidth() + && mouseEvent.getButton() == MouseEvent::LEFT + && mDroppedDown + && mouseEvent.getSource() == this) + { + mPushed = false; + foldUp(); + releaseModalMouseInputFocus(); + } + // If we have a mouse press outside the widget + else if (0 > mouseEvent.getY() + || mouseEvent.getY() >= getHeight() + || mouseEvent.getX() < 0 + || mouseEvent.getX() >= getWidth()) + { + mPushed = false; + foldUp(); + } + } + + void DropDown::mouseReleased(MouseEvent& mouseEvent) + { + if (mIsDragged) + { + mPushed = false; + } + + // Released outside of widget. Can happen when we have modal input focus. + if ((0 > mouseEvent.getY() + || mouseEvent.getY() >= getHeight() + || mouseEvent.getX() < 0 + || mouseEvent.getX() >= getWidth()) + && mouseEvent.getButton() == MouseEvent::LEFT + && isModalMouseInputFocused()) + { + releaseModalMouseInputFocus(); + + if (mIsDragged) + { + foldUp(); + } + } + else if (mouseEvent.getButton() == MouseEvent::LEFT) + { + mPushed = false; + } + + mIsDragged = false; + } + + void DropDown::mouseDragged(MouseEvent& mouseEvent) + { + mIsDragged = true; + + mouseEvent.consume(); + } + + void DropDown::setListModel(ListModel *listModel) + { + mListBox->setListModel(listModel); + + if (mListBox->getSelected() < 0) + { + mListBox->setSelected(0); + } + + adjustHeight(); + } + + ListModel *DropDown::getListModel() + { + return mListBox->getListModel(); + } + + void DropDown::adjustHeight() + { + if (mScrollArea == NULL) + { + throw GCN_EXCEPTION("Scroll area has been deleted."); + } + + if (mListBox == NULL) + { + throw GCN_EXCEPTION("List box has been deleted."); + } + + int listBoxHeight = mListBox->getHeight(); + + // We add 2 for the border + int h2 = getFont()->getHeight() + 2; + + setHeight(h2); + + // The addition/subtraction of 2 compensates for the seperation lines + // seperating the selected element view and the scroll area. + + if (mDroppedDown && getParent()) + { + int h = getParent()->getChildrenArea().height - getY(); + + if (listBoxHeight > h - h2 - 2) + { + mScrollArea->setHeight(h - h2 - 2); + setHeight(h); + } + else + { + setHeight(listBoxHeight + h2 + 2); + mScrollArea->setHeight(listBoxHeight); + } + } + + mScrollArea->setWidth(getWidth()); + // Resize the ListBox to exactly fit the ScrollArea. + mListBox->setWidth(mScrollArea->getChildrenArea().width); + mScrollArea->setPosition(0, 0); + } + + void DropDown::dropDown() + { + if (!mDroppedDown) + { + mDroppedDown = true; + mFoldedUpHeight = getHeight(); + adjustHeight(); + + if (getParent()) + { + getParent()->moveToTop(this); + } + } + + mListBox->requestFocus(); + } + + void DropDown::foldUp() + { + if (mDroppedDown) + { + mDroppedDown = false; + adjustHeight(); + mInternalFocusHandler.focusNone(); + } + } + + void DropDown::focusLost(const Event& event) + { + foldUp(); + mInternalFocusHandler.focusNone(); + } + + + void DropDown::death(const Event& event) + { + if (event.getSource() == mScrollArea) + { + mScrollArea = NULL; + } + + BasicContainer::death(event); + } + + void DropDown::action(const ActionEvent& actionEvent) + { + foldUp(); + releaseModalMouseInputFocus(); + distributeActionEvent(); + } + + Rectangle DropDown::getChildrenArea() + { + if (mDroppedDown) + { + // Calculate the children area (with the one pixel border in mind) + return Rectangle(1, + mFoldedUpHeight + 1, + getWidth() - 2, + getHeight() - mFoldedUpHeight - 2); + } + + return Rectangle(); + } + + void DropDown::setBaseColor(const Color& color) + { + if (mInternalScrollArea) + { + mScrollArea->setBaseColor(color); + } + + if (mInternalListBox) + { + mListBox->setBaseColor(color); + } + + Widget::setBaseColor(color); + } + + void DropDown::setBackgroundColor(const Color& color) + { + if (mInternalScrollArea) + { + mScrollArea->setBackgroundColor(color); + } + + if (mInternalListBox) + { + mListBox->setBackgroundColor(color); + } + + Widget::setBackgroundColor(color); + } + + void DropDown::setForegroundColor(const Color& color) + { + if (mInternalScrollArea) + { + mScrollArea->setForegroundColor(color); + } + + if (mInternalListBox) + { + mListBox->setForegroundColor(color); + } + + Widget::setForegroundColor(color); + } + + void DropDown::setFont(Font *font) + { + if (mInternalScrollArea) + { + mScrollArea->setFont(font); + } + + if (mInternalListBox) + { + mListBox->setFont(font); + } + + Widget::setFont(font); + } + + void DropDown::mouseWheelMovedUp(MouseEvent& mouseEvent) + { + if (isFocused() && mouseEvent.getSource() == this) + { + mouseEvent.consume(); + + if (mListBox->getSelected() > 0) + { + mListBox->setSelected(mListBox->getSelected() - 1); + } + } + } + + void DropDown::mouseWheelMovedDown(MouseEvent& mouseEvent) + { + if (isFocused() && mouseEvent.getSource() == this) + { + mouseEvent.consume(); + + mListBox->setSelected(mListBox->getSelected() + 1); + } + } + + void DropDown::setSelectionColor(const Color& color) + { + Widget::setSelectionColor(color); + + if (mInternalListBox) + { + mListBox->setSelectionColor(color); + } + } + + void DropDown::valueChanged(const SelectionEvent& event) + { + distributeValueChangedEvent(); + } + + void DropDown::addSelectionListener(SelectionListener* selectionListener) + { + mSelectionListeners.push_back(selectionListener); + } + + void DropDown::removeSelectionListener(SelectionListener* selectionListener) + { + mSelectionListeners.remove(selectionListener); + } + + void DropDown::distributeValueChangedEvent() + { + SelectionListenerIterator iter; + + for (iter = mSelectionListeners.begin(); iter != mSelectionListeners.end(); ++iter) + { + SelectionEvent event(this); + (*iter)->valueChanged(event); + } + } +} + diff --git a/src/guichan/widgets/dropdown.hpp b/src/guichan/widgets/dropdown.hpp new file mode 100644 index 000000000..090fff0ce --- /dev/null +++ b/src/guichan/widgets/dropdown.hpp @@ -0,0 +1,318 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_DROPDOWN_HPP +#define GCN_DROPDOWN_HPP + +#include "guichan/actionlistener.hpp" +#include "guichan/basiccontainer.hpp" +#include "guichan/deathlistener.hpp" +#include "guichan/focushandler.hpp" +#include "guichan/focuslistener.hpp" +#include "guichan/keylistener.hpp" +#include "guichan/listmodel.hpp" +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" +#include "guichan/selectionlistener.hpp" +#include "guichan/widgets/listbox.hpp" +#include "guichan/widgets/scrollarea.hpp" + +namespace gcn { + /** + * An implementation of a drop downable list from which an item can be + * selected. The drop down consists of an internal ScrollArea and an + * internal ListBox. The drop down also uses an internal FocusHandler to + * handle the focus of the internal ScollArea and the internal ListBox. The + * scroll area and the list box can be passed to the drop down if a custom + * scroll area and or a custom list box is preferable. + * + * To be able display a list the drop down uses a user provided list model. + * A list model can be any class that implements the ListModel interface. + * + * If an item is selected in the drop down a select event will be sent to + * all selection listeners of the drop down. If an item is selected by + * using a mouse click or by using the enter or space key an action event + * will be sent to all action listeners of the drop down. + */ + class GCN_CORE_DECLSPEC DropDown : + public ActionListener, + public BasicContainer, + public KeyListener, + public MouseListener, + public FocusListener, + public SelectionListener + { + public: + /** + * Contructor. + * + * @param listModel the ListModel to use. + * @param scrollArea the ScrollArea to use. + * @param listBox the listBox to use. + * @see ListModel, ScrollArea, ListBox. + */ + DropDown(ListModel *listModel = NULL, + ScrollArea *scrollArea = NULL, + ListBox *listBox = NULL); + + /** + * Destructor. + */ + virtual ~DropDown(); + + /** + * Gets the selected item as an index in the list model. + * + * @return the selected item as an index in the list model. + * @see setSelected + */ + int getSelected() const; + + /** + * Sets the selected item. The selected item is represented by + * an index from the list model. + * + * @param selected the selected item as an index from the list model. + * @see getSelected + */ + void setSelected(int selected); + + /** + * Sets the list model to use when displaying the list. + * + * @param listModel the list model to use. + * @see getListModel + */ + void setListModel(ListModel *listModel); + + /** + * Gets the list model used. + * + * @return the ListModel used. + * @see setListModel + */ + ListModel *getListModel(); + + /** + * Adjusts the height of the drop down to fit the height of the + * drop down's parent's height. It's used to not make the drop down + * draw itself outside of it's parent if folded down. + */ + void adjustHeight(); + + /** + * Adds a selection listener to the drop down. When the selection + * changes an event will be sent to all selection listeners of the + * drop down. + * + * If you delete your selection listener, be sure to also remove it + * using removeSelectionListener(). + * + * @param selectionListener the selection listener to add. + * @since 0.8.0 + */ + void addSelectionListener(SelectionListener* selectionListener); + + /** + * Removes a selection listener from the drop down. + * + * @param selectionListener the selection listener to remove. + * @since 0.8.0 + */ + void removeSelectionListener(SelectionListener* selectionListener); + + + // Inherited from Widget + + virtual void draw(Graphics* graphics); + + void setBaseColor(const Color& color); + + void setBackgroundColor(const Color& color); + + void setForegroundColor(const Color& color); + + void setFont(Font *font); + + void setSelectionColor(const Color& color); + + + // Inherited from BasicContainer + + virtual Rectangle getChildrenArea(); + + + // Inherited from FocusListener + + virtual void focusLost(const Event& event); + + + // Inherited from ActionListener + + virtual void action(const ActionEvent& actionEvent); + + + // Inherited from DeathListener + + virtual void death(const Event& event); + + + // Inherited from KeyListener + + virtual void keyPressed(KeyEvent& keyEvent); + + + // Inherited from MouseListener + + virtual void mousePressed(MouseEvent& mouseEvent); + + virtual void mouseReleased(MouseEvent& mouseEvent); + + virtual void mouseWheelMovedUp(MouseEvent& mouseEvent); + + virtual void mouseWheelMovedDown(MouseEvent& mouseEvent); + + virtual void mouseDragged(MouseEvent& mouseEvent); + + + // Inherited from SelectionListener + + virtual void valueChanged(const SelectionEvent& event); + + protected: + /** + * Draws the button of the drop down. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawButton(Graphics *graphics); + + /** + * Sets the drop down to be dropped down. + */ + virtual void dropDown(); + + /** + * Sets the drop down to be folded up. + */ + virtual void foldUp(); + + /** + * Distributes a value changed event to all selection listeners + * of the drop down. + * + * @since 0.8.0 + */ + void distributeValueChangedEvent(); + + /** + * True if the drop down is dropped down, false otherwise. + */ + bool mDroppedDown; + + /** + * True if the drop down has been pushed with the mouse, false + * otherwise. + */ + bool mPushed; + + /** + * Holds what the height is if the drop down is folded up. Used when + * checking if the list of the drop down was clicked or if the upper + * part of the drop down was clicked on a mouse click. + */ + int mFoldedUpHeight; + + /** + * The scroll area used. + */ + ScrollArea* mScrollArea; + + /** + * The list box used. + */ + ListBox* mListBox; + + /** + * The internal focus handler used to keep track of focus for the + * internal list box. + */ + FocusHandler mInternalFocusHandler; + + /** + * True if an internal scroll area is used, false if a scroll area + * has been passed to the drop down which the drop down should not + * deleted in it's destructor. + */ + bool mInternalScrollArea; + + /** + * True if an internal list box is used, false if a list box + * has been passed to the drop down which the drop down should not + * deleted in it's destructor. + */ + bool mInternalListBox; + + /** + * True if the drop down is dragged. + */ + bool mIsDragged; + + /** + * Typedef. + */ + typedef std::list<SelectionListener*> SelectionListenerList; + + /** + * The selection listener's of the drop down. + */ + SelectionListenerList mSelectionListeners; + + /** + * Typedef. + */ + typedef SelectionListenerList::iterator SelectionListenerIterator; + }; +} + +#endif // end GCN_DROPDOWN_HPP diff --git a/src/guichan/widgets/icon.cpp b/src/guichan/widgets/icon.cpp new file mode 100644 index 000000000..687fadeab --- /dev/null +++ b/src/guichan/widgets/icon.cpp @@ -0,0 +1,116 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/icon.hpp" + +#include "guichan/graphics.hpp" +#include "guichan/image.hpp" +#include "guichan/rectangle.hpp" + +namespace gcn +{ + Icon::Icon() + : mImage(0) + , mInternalImage(false) + { + setSize(0, 0); + } + + Icon::Icon(const std::string& filename) + : mImage(0), + mInternalImage(false) + { + mImage = Image::load(filename); + mInternalImage = true; + setSize(mImage->getWidth(), + mImage->getHeight()); + } + + Icon::Icon(const Image* image) + : mImage(image), + mInternalImage(false) + { + setSize(mImage->getWidth(), + mImage->getHeight()); + } + + Icon::~Icon() + { + if (mInternalImage) + { + delete mImage; + } + } + + void Icon::setImage(const Image* image) + { + if (mInternalImage) + { + delete mImage; + } + + mImage = image; + mInternalImage = false; + setSize(mImage->getWidth(), + mImage->getHeight()); + } + + const Image* Icon::getImage() const + { + return mImage; + } + + void Icon::draw(Graphics* graphics) + { + if (mImage != NULL) + { + const int x = (getWidth() - mImage->getWidth()) / 2; + const int y = (getHeight() - mImage->getHeight()) / 2; + graphics->drawImage(mImage, x, y); + } + } +} diff --git a/src/guichan/widgets/icon.hpp b/src/guichan/widgets/icon.hpp new file mode 100644 index 000000000..f0f9ff566 --- /dev/null +++ b/src/guichan/widgets/icon.hpp @@ -0,0 +1,118 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_ICON_HPP +#define GCN_ICON_HPP + +#include "guichan/image.hpp" +#include "guichan/platform.hpp" +#include "guichan/widget.hpp" + +namespace gcn +{ + /** + * Implements an icon capable of displaying an image. + */ + class GCN_CORE_DECLSPEC Icon: public Widget + { + public: + /** + * Default constructor. + */ + Icon(); + + /** + * Constructor. + * + * @param filename The filename of the image to display. + */ + Icon(const std::string& filename); + + /** + * Constructor. + * + * @param image The image to display. + */ + Icon(const Image* image); + + /** + * Descructor. + */ + virtual ~Icon(); + + /** + * Sets the image to display. Existing image is freed automatically + * if it was loaded internally. + * + * @param image The image to display. + */ + void setImage(const Image* image); + + /** + * Gets the current image. + * + * @return The current image. + */ + const Image* getImage() const; + + + // Inherited from Widget + + virtual void draw(Graphics* graphics); + + protected: + /** + * The image to display. + */ + const Image* mImage; + + /** + * True if the image has been loaded internally, false otherwise. + * An image not loaded internally should not be deleted in the + * destructor. + */ + bool mInternalImage; + }; +} + +#endif // end GCN_ICON_HPP diff --git a/src/guichan/widgets/imagebutton.cpp b/src/guichan/widgets/imagebutton.cpp new file mode 100644 index 000000000..f09bca30d --- /dev/null +++ b/src/guichan/widgets/imagebutton.cpp @@ -0,0 +1,166 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/imagebutton.hpp" + +#include "guichan/graphics.hpp" +#include "guichan/image.hpp" + +namespace gcn +{ + ImageButton::ImageButton() + : mImage(0), + mInternalImage(false) + { + setWidth(0); + setHeight(0); + } + + ImageButton::ImageButton(const std::string& filename) + : mImage(0), + mInternalImage(false) + { + mImage = Image::load(filename); + mInternalImage = true; + setWidth(mImage->getWidth() + mImage->getWidth() / 2); + setHeight(mImage->getHeight() + mImage->getHeight() / 2); + } + + ImageButton::ImageButton(const Image* image) + : mImage(image), + mInternalImage(false) + { + setWidth(mImage->getWidth() + mImage->getWidth() / 2); + setHeight(mImage->getHeight() + mImage->getHeight() / 2); + } + + ImageButton::~ImageButton() + { + if (mInternalImage) + { + delete mImage; + } + } + + void ImageButton::setImage(const Image* image) + { + if (mInternalImage) + { + delete mImage; + } + + mImage = image; + mInternalImage = false; + } + + const Image* ImageButton::getImage() const + { + return mImage; + } + + void ImageButton::draw(Graphics* graphics) + { + gcn::Color faceColor = getBaseColor(); + gcn::Color highlightColor, shadowColor; + int alpha = getBaseColor().a; + + if (isPressed()) + { + faceColor = faceColor - 0x303030; + faceColor.a = alpha; + highlightColor = faceColor - 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor + 0x303030; + shadowColor.a = alpha; + } + else + { + highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + } + + graphics->setColor(faceColor); + graphics->fillRectangle(Rectangle(1, + 1, + getDimension().width - 1, + getHeight() - 1)); + + graphics->setColor(highlightColor); + graphics->drawLine(0, 0, getWidth() - 1, 0); + graphics->drawLine(0, 1, 0, getHeight() - 1); + + graphics->setColor(shadowColor); + graphics->drawLine(getWidth() - 1, 1, getWidth() - 1, getHeight() - 1); + graphics->drawLine(1, getHeight() - 1, getWidth() - 1, getHeight() - 1); + + graphics->setColor(getForegroundColor()); + + const int textX = (getWidth() - (mImage ? mImage->getWidth() : 0) ) / 2; + const int textY = (getHeight() - (mImage ? mImage->getHeight() : 0) ) / 2; + + if (isPressed()) + { + if(mImage) + graphics->drawImage(mImage, textX + 1, textY + 1); + } + else + { + if(mImage) + graphics->drawImage(mImage, textX, textY); + + if (isFocused()) + { + graphics->drawRectangle(Rectangle(2, + 2, + getWidth() - 4, + getHeight() - 4)); + } + } + } +} diff --git a/src/guichan/widgets/imagebutton.hpp b/src/guichan/widgets/imagebutton.hpp new file mode 100644 index 000000000..1ab285ce9 --- /dev/null +++ b/src/guichan/widgets/imagebutton.hpp @@ -0,0 +1,123 @@ +/* _______ __ __ __ ______ __ __ _______ __ __
+ * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
+ * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
+ * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
+ *
+ *
+ * Per Larsson a.k.a finalman
+ * Olof Naessén a.k.a jansem/yakslem
+ *
+ * Visit: http://guichan.sourceforge.net
+ *
+ * License: (BSD)
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name of Guichan nor the names of its contributors may
+ * be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef GCN_IMAGEBUTTON_HPP
+#define GCN_IMAGEBUTTON_HPP
+
+#include "guichan/platform.hpp"
+#include "guichan/widgets/button.hpp"
+
+namespace gcn
+{
+ class Image;
+
+ /**
+ * An implementation of a regular clickable button. Unlike a normal button an image
+ * button is capable of displaying an image instead of a simple text caption.
+ * Whenever an image button is clicked an action event will be sent to the action
+ * listener's of the image button.
+ *
+ * @see Button
+ */
+ class GCN_CORE_DECLSPEC ImageButton : public gcn::Button
+ {
+ public:
+ /**
+ * Default constructor.
+ */
+ ImageButton();
+
+ /**
+ * Constructor.
+ *
+ * @param filename The filename of the image to display.
+ */
+ ImageButton(const std::string& filename);
+
+ /**
+ * Constructor.
+ *
+ * @param image The image to display.
+ */
+ ImageButton(const Image* image);
+
+ /**
+ * Destructor.
+ */
+ virtual ~ImageButton();
+
+ /**
+ * Sets the image to display. Existing Image is freed automatically,
+ * if it was loaded internally.
+ *
+ * @param image The image to display.
+ */
+ void setImage(const Image* image);
+
+ /**
+ * Gets current image.
+ *
+ * @return The current image.
+ */
+ const Image* getImage() const;
+
+
+ // Inherited from Widget
+
+ void draw(gcn::Graphics* graphics);
+
+ protected:
+ /**
+ * The image to display.
+ */
+ const Image* mImage;
+
+ /**
+ * True if the image has been loaded internally, false otherwise.
+ * An image not loaded internally should not be deleted in the
+ * destructor.
+ */
+ bool mInternalImage;
+ };
+}
+#endif
diff --git a/src/guichan/widgets/label.cpp b/src/guichan/widgets/label.cpp new file mode 100644 index 000000000..9b11206a6 --- /dev/null +++ b/src/guichan/widgets/label.cpp @@ -0,0 +1,120 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/label.hpp" + +#include "guichan/exception.hpp" +#include "guichan/font.hpp" +#include "guichan/graphics.hpp" + +namespace gcn +{ + Label::Label() + { + mAlignment = Graphics::LEFT; + } + + Label::Label(const std::string& caption) + { + mCaption = caption; + mAlignment = Graphics::LEFT; + + setWidth(getFont()->getWidth(caption)); + setHeight(getFont()->getHeight()); + } + + const std::string &Label::getCaption() const + { + return mCaption; + } + + void Label::setCaption(const std::string& caption) + { + mCaption = caption; + } + + void Label::setAlignment(Graphics::Alignment alignment) + { + mAlignment = alignment; + } + + Graphics::Alignment Label::getAlignment() const + { + return mAlignment; + } + + void Label::draw(Graphics* graphics) + { + int textX; + int textY = getHeight() / 2 - getFont()->getHeight() / 2; + + switch (getAlignment()) + { + case Graphics::LEFT: + textX = 0; + break; + case Graphics::CENTER: + textX = getWidth() / 2; + break; + case Graphics::RIGHT: + textX = getWidth(); + break; + default: + throw GCN_EXCEPTION("Unknown alignment."); + } + + graphics->setFont(getFont()); + graphics->setColor(getForegroundColor()); + graphics->drawText(getCaption(), textX, textY, getAlignment()); + } + + void Label::adjustSize() + { + setWidth(getFont()->getWidth(getCaption())); + setHeight(getFont()->getHeight()); + } +} diff --git a/src/guichan/widgets/label.hpp b/src/guichan/widgets/label.hpp new file mode 100644 index 000000000..4d6ea0006 --- /dev/null +++ b/src/guichan/widgets/label.hpp @@ -0,0 +1,133 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_LABEL_HPP +#define GCN_LABEL_HPP + +#include <string> + +#include "guichan/graphics.hpp" +#include "guichan/platform.hpp" +#include "guichan/widget.hpp" + +namespace gcn +{ + /** + * Implementation of a label capable of displaying a caption. + */ + class GCN_CORE_DECLSPEC Label: public Widget + { + public: + /** + * Constructor. + */ + Label(); + + /** + * Constructor. The label will be automatically resized + * to fit the caption. + * + * @param caption The caption of the label. + */ + Label(const std::string& caption); + + /** + * Gets the caption of the label. + * + * @return The caption of the label. + * @see setCaption + */ + const std::string &getCaption() const; + + /** + * Sets the caption of the label. It's advisable to call + * adjustSize after setting of the caption to adjust the + * label's size to fit the caption. + * + * @param caption The caption of the label. + * @see getCaption, adjustSize + */ + void setCaption(const std::string& caption); + + /** + * Sets the alignment of the caption. The alignment is relative + * to the center of the label. + * + * @param alignemnt The alignment of the caption of the label. + * @see getAlignment, Graphics + */ + void setAlignment(Graphics::Alignment alignment); + + /** + * Gets the alignment of the caption. The alignment is relative to + * the center of the label. + * + * @return The alignment of caption of the label. + * @see setAlignmentm Graphics + */ + Graphics::Alignment getAlignment() const; + + /** + * Adjusts the label's size to fit the caption. + */ + void adjustSize(); + + + // Inherited from Widget + + virtual void draw(Graphics* graphics); + + protected: + /** + * Holds the caption of the label. + */ + std::string mCaption; + + /** + * Holds the alignment of the caption. + */ + Graphics::Alignment mAlignment; + }; +} + +#endif // end GCN_LABEL_HPP diff --git a/src/guichan/widgets/listbox.cpp b/src/guichan/widgets/listbox.cpp new file mode 100644 index 000000000..9b20b8538 --- /dev/null +++ b/src/guichan/widgets/listbox.cpp @@ -0,0 +1,350 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/listbox.hpp" + +#include "guichan/basiccontainer.hpp" +#include "guichan/font.hpp" +#include "guichan/graphics.hpp" +#include "guichan/key.hpp" +#include "guichan/listmodel.hpp" +#include "guichan/mouseinput.hpp" +#include "guichan/selectionlistener.hpp" + +namespace gcn +{ + ListBox::ListBox() + : mSelected(-1), + mListModel(NULL), + mWrappingEnabled(false) + { + setWidth(100); + setFocusable(true); + + addMouseListener(this); + addKeyListener(this); + } + + ListBox::ListBox(ListModel *listModel) + : mSelected(-1), + mWrappingEnabled(false) + { + setWidth(100); + setListModel(listModel); + setFocusable(true); + + addMouseListener(this); + addKeyListener(this); + } + + void ListBox::draw(Graphics* graphics) + { + graphics->setColor(getBackgroundColor()); + graphics->fillRectangle(Rectangle(0, 0, getWidth(), getHeight())); + + if (mListModel == NULL) + { + return; + } + + graphics->setColor(getForegroundColor()); + graphics->setFont(getFont()); + + // Check the current clip area so we don't draw unnecessary items + // that are not visible. + const ClipRectangle currentClipArea = graphics->getCurrentClipArea(); + int rowHeight = getRowHeight(); + + // Calculate the number of rows to draw by checking the clip area. + // The addition of two makes covers a partial visible row at the top + // and a partial visible row at the bottom. + int numberOfRows = currentClipArea.height / rowHeight + 2; + + if (numberOfRows > mListModel->getNumberOfElements()) + { + numberOfRows = mListModel->getNumberOfElements(); + } + + // Calculate which row to start drawing. If the list box + // has a negative y coordinate value we should check if + // we should drop rows in the begining of the list as + // they might not be visible. A negative y value is very + // common if the list box for instance resides in a scroll + // area and the user has scrolled the list box downwards. + int startRow; + if (getY() < 0) + { + startRow = -1 * (getY() / rowHeight); + } + else + { + startRow = 0; + } + + int i; + // The y coordinate where we start to draw the text is + // simply the y coordinate multiplied with the font height. + int y = rowHeight * startRow; + for (i = startRow; i < startRow + numberOfRows; ++i) + { + if (i == mSelected) + { + graphics->setColor(getSelectionColor()); + graphics->fillRectangle(Rectangle(0, y, getWidth(), rowHeight)); + graphics->setColor(getForegroundColor()); + } + + // If the row height is greater than the font height we + // draw the text with a center vertical alignment. + if (rowHeight > getFont()->getHeight()) + { + graphics->drawText(mListModel->getElementAt(i), 1, y + rowHeight / 2 - getFont()->getHeight() / 2); + } + else + { + graphics->drawText(mListModel->getElementAt(i), 1, y); + } + + y += rowHeight; + } + } + + void ListBox::logic() + { + adjustSize(); + } + + int ListBox::getSelected() const + { + return mSelected; + } + + void ListBox::setSelected(int selected) + { + if (mListModel == NULL) + { + mSelected = -1; + } + else + { + if (selected < 0) + { + mSelected = -1; + } + else if (selected >= mListModel->getNumberOfElements()) + { + mSelected = mListModel->getNumberOfElements() - 1; + } + else + { + mSelected = selected; + } + } + + Rectangle scroll; + + if (mSelected < 0) + { + scroll.y = 0; + } + else + { + scroll.y = getRowHeight() * mSelected; + } + + scroll.height = getRowHeight(); + showPart(scroll); + + distributeValueChangedEvent(); + } + + void ListBox::keyPressed(KeyEvent& keyEvent) + { + Key key = keyEvent.getKey(); + + if (key.getValue() == Key::ENTER || key.getValue() == Key::SPACE) + { + distributeActionEvent(); + keyEvent.consume(); + } + else if (key.getValue() == Key::UP) + { + setSelected(mSelected - 1); + + if (mSelected == -1) + { + if (mWrappingEnabled) + { + setSelected(getListModel()->getNumberOfElements() - 1); + } + else + { + setSelected(0); + } + } + + keyEvent.consume(); + } + else if (key.getValue() == Key::DOWN) + { + if (mWrappingEnabled + && getSelected() == getListModel()->getNumberOfElements() - 1) + { + setSelected(0); + } + else + { + setSelected(getSelected() + 1); + } + + keyEvent.consume(); + } + else if (key.getValue() == Key::HOME) + { + setSelected(0); + keyEvent.consume(); + } + else if (key.getValue() == Key::END) + { + setSelected(getListModel()->getNumberOfElements() - 1); + keyEvent.consume(); + } + } + + void ListBox::mousePressed(MouseEvent& mouseEvent) + { + if (mouseEvent.getButton() == MouseEvent::LEFT) + { + setSelected(mouseEvent.getY() / getRowHeight()); + distributeActionEvent(); + } + } + + void ListBox::mouseWheelMovedUp(MouseEvent& mouseEvent) + { + if (isFocused()) + { + if (getSelected() > 0 ) + { + setSelected(getSelected() - 1); + } + + mouseEvent.consume(); + } + } + + void ListBox::mouseWheelMovedDown(MouseEvent& mouseEvent) + { + if (isFocused()) + { + setSelected(getSelected() + 1); + + mouseEvent.consume(); + } + } + + void ListBox::mouseDragged(MouseEvent& mouseEvent) + { + mouseEvent.consume(); + } + + void ListBox::setListModel(ListModel *listModel) + { + mSelected = -1; + mListModel = listModel; + adjustSize(); + } + + ListModel* ListBox::getListModel() + { + return mListModel; + } + + void ListBox::adjustSize() + { + if (mListModel != NULL) + { + setHeight(getRowHeight() * mListModel->getNumberOfElements()); + } + } + + bool ListBox::isWrappingEnabled() const + { + return mWrappingEnabled; + } + + void ListBox::setWrappingEnabled(bool wrappingEnabled) + { + mWrappingEnabled = wrappingEnabled; + } + + void ListBox::addSelectionListener(SelectionListener* selectionListener) + { + mSelectionListeners.push_back(selectionListener); + } + + void ListBox::removeSelectionListener(SelectionListener* selectionListener) + { + mSelectionListeners.remove(selectionListener); + } + + void ListBox::distributeValueChangedEvent() + { + SelectionListenerIterator iter; + + for (iter = mSelectionListeners.begin(); iter != mSelectionListeners.end(); ++iter) + { + SelectionEvent event(this); + (*iter)->valueChanged(event); + } + } + + unsigned int ListBox::getRowHeight() const + { + return getFont()->getHeight(); + } +} diff --git a/src/guichan/widgets/listbox.hpp b/src/guichan/widgets/listbox.hpp new file mode 100644 index 000000000..b99f84aaa --- /dev/null +++ b/src/guichan/widgets/listbox.hpp @@ -0,0 +1,253 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_LISTBOX_HPP +#define GCN_LISTBOX_HPP + +#include <list> + +#include "guichan/keylistener.hpp" +#include "guichan/listmodel.hpp" +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" +#include "guichan/widget.hpp" + +namespace gcn +{ + class SelectionListener; + + /** + * An implementation of a list box where an item can be selected. + * + * To be able display a list the list box uses a user provided list model. + * A list model can be any class that implements the ListModel interface. + * + * If an item is selected in the list box a select event will be sent to + * all selection listeners of the list box. If an item is selected by using + * a mouse click or by using the enter or space key an action event will be + * sent to all action listeners of the list box. + */ + class GCN_CORE_DECLSPEC ListBox : + public Widget, + public MouseListener, + public KeyListener + { + public: + /** + * Constructor. + */ + ListBox(); + + /** + * Constructor. + * + * @param listModel the list model to use. + */ + ListBox(ListModel *listModel); + + /** + * Destructor. + */ + virtual ~ListBox() { } + + /** + * Gets the selected item as an index in the list model. + * + * @return the selected item as an index in the list model. + * @see setSelected + */ + int getSelected() const; + + /** + * Sets the selected item. The selected item is represented by + * an index from the list model. + * + * @param selected the selected item as an index from the list model. + * @see getSelected + */ + void setSelected(int selected); + + /** + * Sets the list model to use. + * + * @param listModel the list model to use. + * @see getListModel + */ + void setListModel(ListModel *listModel); + + /** + * Gets the list model used. + * + * @return the list model used. + * @see setListModel + */ + ListModel *getListModel(); + + /** + * Adjusts the size of the list box to fit it's list model. + */ + void adjustSize(); + + /** + * Checks whether the list box wraps when selecting items with a + * keyboard. + * + * Wrapping means that the selection of items will be wrapped. That is, + * if the first item is selected and up is pressed, the last item will + * get selected. If the last item is selected and down is pressed, the + * first item will get selected. + * + * @return true if wrapping is enabled, fasle otherwise. + * @see setWrappingEnabled + */ + bool isWrappingEnabled() const; + + /** + * Sets the list box to wrap or not when selecting items with a + * keyboard. + * + * Wrapping means that the selection of items will be wrapped. That is, + * if the first item is selected and up is pressed, the last item will + * get selected. If the last item is selected and down is pressed, the + * first item will get selected. + * + * @see isWrappingEnabled + */ + void setWrappingEnabled(bool wrappingEnabled); + + /** + * Adds a selection listener to the list box. When the selection + * changes an event will be sent to all selection listeners of the + * list box. + * + * If you delete your selection listener, be sure to also remove it + * using removeSelectionListener(). + * + * @param selectionListener The selection listener to add. + * @since 0.8.0 + */ + void addSelectionListener(SelectionListener* selectionListener); + + /** + * Removes a selection listener from the list box. + * + * @param selectionListener The selection listener to remove. + * @since 0.8.0 + */ + void removeSelectionListener(SelectionListener* selectionListener); + + /** + * Gets the height of a row. Should be overridden if another row + * height than the font height is preferred. + * + * @return The height of a row. + * @since 0.8.0 + */ + virtual unsigned int getRowHeight() const; + + + // Inherited from Widget + + virtual void draw(Graphics* graphics); + + virtual void logic(); + + + // Inherited from KeyListener + + virtual void keyPressed(KeyEvent& keyEvent); + + + // Inherited from MouseListener + + virtual void mousePressed(MouseEvent& mouseEvent); + + virtual void mouseWheelMovedUp(MouseEvent& mouseEvent); + + virtual void mouseWheelMovedDown(MouseEvent& mouseEvent); + + virtual void mouseDragged(MouseEvent& mouseEvent); + + + protected: + /** + * Distributes a value changed event to all selection listeners + * of the list box. + * + * @since 0.8.0 + */ + void distributeValueChangedEvent(); + + /** + * The selected item as an index in the list model. + */ + int mSelected; + + /** + * The list model to use. + */ + ListModel *mListModel; + + /** + * True if wrapping is enabled, false otherwise. + */ + bool mWrappingEnabled; + + /** + * Typdef. + */ + typedef std::list<SelectionListener*> SelectionListenerList; + + /** + * The selection listeners of the list box. + */ + SelectionListenerList mSelectionListeners; + + /** + * Typedef. + */ + typedef SelectionListenerList::iterator SelectionListenerIterator; + }; +} + +#endif // end GCN_LISTBOX_HPP diff --git a/src/guichan/widgets/radiobutton.cpp b/src/guichan/widgets/radiobutton.cpp new file mode 100644 index 000000000..31fdec94d --- /dev/null +++ b/src/guichan/widgets/radiobutton.cpp @@ -0,0 +1,298 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/radiobutton.hpp" + +#include "guichan/font.hpp" +#include "guichan/graphics.hpp" +#include "guichan/key.hpp" +#include "guichan/mouseinput.hpp" + +namespace gcn +{ + RadioButton::GroupMap RadioButton::mGroupMap; + + RadioButton::RadioButton() + { + setSelected(false); + + setFocusable(true); + addMouseListener(this); + addKeyListener(this); + } + + RadioButton::RadioButton(const std::string &caption, + const std::string &group, + bool selected) + { + setCaption(caption); + setGroup(group); + setSelected(selected); + + setFocusable(true); + addMouseListener(this); + addKeyListener(this); + + adjustSize(); + } + + RadioButton::~RadioButton() + { + // Remove us from the group list + setGroup(""); + } + + void RadioButton::draw(Graphics* graphics) + { + graphics->pushClipArea(Rectangle(1, + 1, + getWidth() - 1, + getHeight() - 1)); + drawBox(graphics); + graphics->popClipArea(); + + + graphics->setFont(getFont()); + graphics->setColor(getForegroundColor()); + + if (isFocused()) + { + int fh; + + if (getHeight()%2 == 0) + { + fh = getHeight() - 4; + } + else + { + fh = getHeight() - 3; + } + + int hh = (fh + 1) / 2; + + graphics->drawLine(0, hh + 1, hh + 1, 0); + graphics->drawLine(hh + 2, 1, fh + 2, hh + 1); + graphics->drawLine(fh + 1, hh + 2, hh + 1, fh + 2); + graphics->drawLine(hh + 1, fh + 2, 1, hh + 2); + } + + int h = getHeight() + getHeight() / 2; + + graphics->drawText(getCaption(), h - 2, 0); + } + + void RadioButton::drawBox(Graphics *graphics) + { + int h; + + if (getHeight()%2 == 0) + { + h = getHeight() - 4; + } + else + { + h = getHeight() - 3; + } + + int alpha = getBaseColor().a; + Color faceColor = getBaseColor(); + faceColor.a = alpha; + Color highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + Color shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + graphics->setColor(getBackgroundColor()); + + int i; + int hh = (h + 1) / 2; + + for (i = 1; i <= hh; ++i) + { + graphics->drawLine(hh - i + 1, + i, + hh + i - 1, + i); + } + + for (i = 1; i < hh; ++i) + { + graphics->drawLine(hh - i + 1, + h - i, + hh + i - 1, + h - i); + } + + graphics->setColor(shadowColor); + graphics->drawLine(hh, 0, 0, hh); + graphics->drawLine(hh + 1, 1, h - 1, hh - 1); + + graphics->setColor(highlightColor); + graphics->drawLine(1, hh + 1, hh, h); + graphics->drawLine(hh + 1, h - 1, h, hh); + + graphics->setColor(getForegroundColor()); + + int hhh = hh - 3; + if (mSelected) + { + for (i = 0; i < hhh; ++i) + { + graphics->drawLine(hh - i, 4 + i, hh + i, 4 + i); + } + for (i = 0; i < hhh; ++i) + { + graphics->drawLine(hh - i, h - 4 - i, hh + i, h - 4 - i); + } + + } + } + + bool RadioButton::isSelected() const + { + return mSelected; + } + + void RadioButton::setSelected(bool selected) + { + if (selected && mGroup != "") + { + GroupIterator iter, iterEnd; + iterEnd = mGroupMap.upper_bound(mGroup); + + for (iter = mGroupMap.lower_bound(mGroup); + iter != iterEnd; + iter++) + { + if (iter->second->isSelected()) + { + iter->second->setSelected(false); + } + } + } + + mSelected = selected; + } + + const std::string &RadioButton::getCaption() const + { + return mCaption; + } + + void RadioButton::setCaption(const std::string caption) + { + mCaption = caption; + } + + void RadioButton::keyPressed(KeyEvent& keyEvent) + { + Key key = keyEvent.getKey(); + + if (key.getValue() == Key::ENTER || + key.getValue() == Key::SPACE) + { + setSelected(true); + distributeActionEvent(); + keyEvent.consume(); + } + } + + void RadioButton::mouseClicked(MouseEvent& mouseEvent) + { + if (mouseEvent.getButton() == MouseEvent::LEFT) + { + setSelected(true); + distributeActionEvent(); + } + } + + void RadioButton::mouseDragged(MouseEvent& mouseEvent) + { + mouseEvent.consume(); + } + + void RadioButton::setGroup(const std::string &group) + { + if (mGroup != "") + { + GroupIterator iter, iterEnd; + iterEnd = mGroupMap.upper_bound(mGroup); + + for (iter = mGroupMap.lower_bound(mGroup); + iter != iterEnd; + iter++) + { + if (iter->second == this) + { + mGroupMap.erase(iter); + break; + } + } + } + + if (group != "") + { + mGroupMap.insert( + std::pair<std::string, RadioButton *>(group, this)); + } + + mGroup = group; + } + + const std::string &RadioButton::getGroup() const + { + return mGroup; + } + + void RadioButton::adjustSize() + { + int height = getFont()->getHeight(); + + setHeight(height); + setWidth(getFont()->getWidth(getCaption()) + height + height/2); + } +} diff --git a/src/guichan/widgets/radiobutton.hpp b/src/guichan/widgets/radiobutton.hpp new file mode 100644 index 000000000..0fb5b4123 --- /dev/null +++ b/src/guichan/widgets/radiobutton.hpp @@ -0,0 +1,211 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_RADIOBUTTON_HPP +#define GCN_RADIOBUTTON_HPP + +#include <map> +#include <string> + +#include "guichan/keylistener.hpp" +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" +#include "guichan/widget.hpp" + +namespace gcn +{ + /** + * An implementation of a radio button where a user can select or deselect + * the radio button and where the status of the radio button is displayed to the user. + * A radio button can belong to a group and when a radio button belongs to a + * group only one radio button can be selected in the group. A radio button is + * capable of displaying a caption. + * + * If a radio button's state changes an action event will be sent to all action + * listeners of the check box. + */ + class GCN_CORE_DECLSPEC RadioButton : + public Widget, + public MouseListener, + public KeyListener + { + public: + + /** + * Constructor. + */ + RadioButton(); + + /** + * Constructor. The radio button will be automatically resized + * to fit the caption. + * + * @param caption The caption of the radio button. + * @param group The group the radio button should belong to. + * @param selected True if the radio button should be selected. + */ + RadioButton(const std::string &caption, + const std::string &group, + bool selected = false); + + /** + * Destructor. + */ + virtual ~RadioButton(); + + /** + * Checks if the radio button is selected. + * + * @return True if the radio button is selecte, false otherwise. + * @see setSelected + */ + bool isSelected() const; + + /** + * Sets the radio button to selected or not. + * + * @param selected True if the radio button should be selected, + * false otherwise. + * @see isSelected + */ + void setSelected(bool selected); + + /** + * Gets the caption of the radio button. + * + * @return The caption of the radio button. + * @see setCaption + */ + const std::string &getCaption() const; + + /** + * Sets the caption of the radio button. It's advisable to call + * adjustSize after setting of the caption to adjust the + * radio button's size to fit the caption. + * + * @param caption The caption of the radio button. + * @see getCaption, adjustSize + */ + void setCaption(const std::string caption); + + /** + * Sets the group the radio button should belong to. Note that + * a radio button group is unique per application, not per Gui object + * as the group is stored in a static map. + * + * @param group The name of the group. + * @see getGroup + */ + void setGroup(const std::string &group); + + /** + * Gets the group the radio button belongs to. + * + * @return The group the radio button belongs to. + * @see setGroup + */ + const std::string &getGroup() const; + + /** + * Adjusts the radio button's size to fit the caption. + */ + void adjustSize(); + + + // Inherited from Widget + + virtual void draw(Graphics* graphics); + + + // Inherited from KeyListener + + virtual void keyPressed(KeyEvent& keyEvent); + + + // Inherited from MouseListener + + virtual void mouseClicked(MouseEvent& mouseEvent); + + virtual void mouseDragged(MouseEvent& mouseEvent); + + protected: + /** + * Draws the box. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawBox(Graphics *graphics); + + /** + * True if the radio button is selected, false otherwise. + */ + bool mSelected; + + /** + * Holds the caption of the radio button. + */ + std::string mCaption; + + /** + * Holds the group of the radio button. + */ + std::string mGroup; + + /** + * Typdef. + */ + typedef std::multimap<std::string, RadioButton *> GroupMap; + + /** + * Typdef. + */ + typedef GroupMap::iterator GroupIterator; + + /** + * Holds all available radio button groups. + */ + static GroupMap mGroupMap; + }; +} + +#endif // end GCN_RADIOBUTTON_HPP diff --git a/src/guichan/widgets/scrollarea.cpp b/src/guichan/widgets/scrollarea.cpp new file mode 100644 index 000000000..8e935fc47 --- /dev/null +++ b/src/guichan/widgets/scrollarea.cpp @@ -0,0 +1,1246 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/scrollarea.hpp" + +#include "guichan/exception.hpp" +#include "guichan/graphics.hpp" + +namespace gcn +{ + ScrollArea::ScrollArea() + { + mVScroll = 0; + mHScroll = 0; + mHPolicy = SHOW_AUTO; + mVPolicy = SHOW_AUTO; + mScrollbarWidth = 12; + mUpButtonPressed = false; + mDownButtonPressed = false; + mLeftButtonPressed = false; + mRightButtonPressed = false; + mUpButtonScrollAmount = 10; + mDownButtonScrollAmount = 10; + mLeftButtonScrollAmount = 10; + mRightButtonScrollAmount = 10; + mIsVerticalMarkerDragged = false; + mIsHorizontalMarkerDragged =false; + mOpaque = true; + + addMouseListener(this); + } + + ScrollArea::ScrollArea(Widget *content) + { + mVScroll = 0; + mHScroll = 0; + mHPolicy = SHOW_AUTO; + mVPolicy = SHOW_AUTO; + mScrollbarWidth = 12; + mUpButtonPressed = false; + mDownButtonPressed = false; + mLeftButtonPressed = false; + mRightButtonPressed = false; + mUpButtonScrollAmount = 10; + mDownButtonScrollAmount = 10; + mLeftButtonScrollAmount = 10; + mRightButtonScrollAmount = 10; + mIsVerticalMarkerDragged = false; + mIsHorizontalMarkerDragged =false; + mOpaque = true; + + setContent(content); + addMouseListener(this); + } + + ScrollArea::ScrollArea(Widget *content, + ScrollPolicy hPolicy, + ScrollPolicy vPolicy) + { + mVScroll = 0; + mHScroll = 0; + mHPolicy = hPolicy; + mVPolicy = vPolicy; + mScrollbarWidth = 12; + mUpButtonPressed = false; + mDownButtonPressed = false; + mLeftButtonPressed = false; + mRightButtonPressed = false; + mUpButtonScrollAmount = 10; + mDownButtonScrollAmount = 10; + mLeftButtonScrollAmount = 10; + mRightButtonScrollAmount = 10; + mIsVerticalMarkerDragged = false; + mIsHorizontalMarkerDragged =false; + mOpaque = true; + + setContent(content); + addMouseListener(this); + } + + ScrollArea::~ScrollArea() + { + setContent(NULL); + } + + void ScrollArea::setContent(Widget* widget) + { + if (widget != NULL) + { + clear(); + add(widget); + widget->setPosition(0,0); + } + else + { + clear(); + } + + checkPolicies(); + } + + Widget* ScrollArea::getContent() + { + if (mWidgets.size() > 0) + { + return *mWidgets.begin(); + } + + return NULL; + } + + void ScrollArea::setHorizontalScrollPolicy(ScrollPolicy hPolicy) + { + mHPolicy = hPolicy; + checkPolicies(); + } + + ScrollArea::ScrollPolicy ScrollArea::getHorizontalScrollPolicy() const + { + return mHPolicy; + } + + void ScrollArea::setVerticalScrollPolicy(ScrollPolicy vPolicy) + { + mVPolicy = vPolicy; + checkPolicies(); + } + + ScrollArea::ScrollPolicy ScrollArea::getVerticalScrollPolicy() const + { + return mVPolicy; + } + + void ScrollArea::setScrollPolicy(ScrollPolicy hPolicy, ScrollPolicy vPolicy) + { + mHPolicy = hPolicy; + mVPolicy = vPolicy; + checkPolicies(); + } + + void ScrollArea::setVerticalScrollAmount(int vScroll) + { + int max = getVerticalMaxScroll(); + + mVScroll = vScroll; + + if (vScroll > max) + { + mVScroll = max; + } + + if (vScroll < 0) + { + mVScroll = 0; + } + } + + int ScrollArea::getVerticalScrollAmount() const + { + return mVScroll; + } + + void ScrollArea::setHorizontalScrollAmount(int hScroll) + { + int max = getHorizontalMaxScroll(); + + mHScroll = hScroll; + + if (hScroll > max) + { + mHScroll = max; + } + else if (hScroll < 0) + { + mHScroll = 0; + } + } + + int ScrollArea::getHorizontalScrollAmount() const + { + return mHScroll; + } + + void ScrollArea::setScrollAmount(int hScroll, int vScroll) + { + setHorizontalScrollAmount(hScroll); + setVerticalScrollAmount(vScroll); + } + + int ScrollArea::getHorizontalMaxScroll() + { + checkPolicies(); + + if (getContent() == NULL) + { + return 0; + } + + int value = getContent()->getWidth() - getChildrenArea().width + + 2 * getContent()->getFrameSize(); + + if (value < 0) + { + return 0; + } + + return value; + } + + int ScrollArea::getVerticalMaxScroll() + { + checkPolicies(); + + if (getContent() == NULL) + { + return 0; + } + + int value; + + value = getContent()->getHeight() - getChildrenArea().height + + 2 * getContent()->getFrameSize(); + + if (value < 0) + { + return 0; + } + + return value; + } + + void ScrollArea::setScrollbarWidth(int width) + { + if (width > 0) + { + mScrollbarWidth = width; + } + else + { + throw GCN_EXCEPTION("Width should be greater then 0."); + } + } + + int ScrollArea::getScrollbarWidth() const + { + return mScrollbarWidth; + } + + void ScrollArea::mousePressed(MouseEvent& mouseEvent) + { + int x = mouseEvent.getX(); + int y = mouseEvent.getY(); + + if (getUpButtonDimension().isPointInRect(x, y)) + { + setVerticalScrollAmount(getVerticalScrollAmount() + - mUpButtonScrollAmount); + mUpButtonPressed = true; + } + else if (getDownButtonDimension().isPointInRect(x, y)) + { + setVerticalScrollAmount(getVerticalScrollAmount() + + mDownButtonScrollAmount); + mDownButtonPressed = true; + } + else if (getLeftButtonDimension().isPointInRect(x, y)) + { + setHorizontalScrollAmount(getHorizontalScrollAmount() + - mLeftButtonScrollAmount); + mLeftButtonPressed = true; + } + else if (getRightButtonDimension().isPointInRect(x, y)) + { + setHorizontalScrollAmount(getHorizontalScrollAmount() + + mRightButtonScrollAmount); + mRightButtonPressed = true; + } + else if (getVerticalMarkerDimension().isPointInRect(x, y)) + { + mIsHorizontalMarkerDragged = false; + mIsVerticalMarkerDragged = true; + + mVerticalMarkerDragOffset = y - getVerticalMarkerDimension().y; + } + else if (getVerticalBarDimension().isPointInRect(x,y)) + { + if (y < getVerticalMarkerDimension().y) + { + setVerticalScrollAmount(getVerticalScrollAmount() + - (int)(getChildrenArea().height * 0.95)); + } + else + { + setVerticalScrollAmount(getVerticalScrollAmount() + + (int)(getChildrenArea().height * 0.95)); + } + } + else if (getHorizontalMarkerDimension().isPointInRect(x, y)) + { + mIsHorizontalMarkerDragged = true; + mIsVerticalMarkerDragged = false; + + mHorizontalMarkerDragOffset = x - getHorizontalMarkerDimension().x; + } + else if (getHorizontalBarDimension().isPointInRect(x,y)) + { + if (x < getHorizontalMarkerDimension().x) + { + setHorizontalScrollAmount(getHorizontalScrollAmount() + - (int)(getChildrenArea().width * 0.95)); + } + else + { + setHorizontalScrollAmount(getHorizontalScrollAmount() + + (int)(getChildrenArea().width * 0.95)); + } + } + } + + void ScrollArea::mouseReleased(MouseEvent& mouseEvent) + { + mUpButtonPressed = false; + mDownButtonPressed = false; + mLeftButtonPressed = false; + mRightButtonPressed = false; + mIsHorizontalMarkerDragged = false; + mIsVerticalMarkerDragged = false; + + mouseEvent.consume(); + } + + void ScrollArea::mouseDragged(MouseEvent& mouseEvent) + { + if (mIsVerticalMarkerDragged) + { + int pos = mouseEvent.getY() - getVerticalBarDimension().y - mVerticalMarkerDragOffset; + int length = getVerticalMarkerDimension().height; + + Rectangle barDim = getVerticalBarDimension(); + + if ((barDim.height - length) > 0) + { + setVerticalScrollAmount((getVerticalMaxScroll() * pos) + / (barDim.height - length)); + } + else + { + setVerticalScrollAmount(0); + } + } + + if (mIsHorizontalMarkerDragged) + { + int pos = mouseEvent.getX() - getHorizontalBarDimension().x - mHorizontalMarkerDragOffset; + int length = getHorizontalMarkerDimension().width; + + Rectangle barDim = getHorizontalBarDimension(); + + if ((barDim.width - length) > 0) + { + setHorizontalScrollAmount((getHorizontalMaxScroll() * pos) + / (barDim.width - length)); + } + else + { + setHorizontalScrollAmount(0); + } + } + + mouseEvent.consume(); + } + + void ScrollArea::draw(Graphics *graphics) + { + drawBackground(graphics); + + if (mVBarVisible) + { + drawUpButton(graphics); + drawDownButton(graphics); + drawVBar(graphics); + drawVMarker(graphics); + } + + if (mHBarVisible) + { + drawLeftButton(graphics); + drawRightButton(graphics); + drawHBar(graphics); + drawHMarker(graphics); + } + + if (mHBarVisible && mVBarVisible) + { + graphics->setColor(getBaseColor()); + graphics->fillRectangle(Rectangle(getWidth() - mScrollbarWidth, + getHeight() - mScrollbarWidth, + mScrollbarWidth, + mScrollbarWidth)); + } + + drawChildren(graphics); + } + + void ScrollArea::drawHBar(Graphics* graphics) + { + Rectangle dim = getHorizontalBarDimension(); + + graphics->pushClipArea(dim); + + int alpha = getBaseColor().a; + Color trackColor = getBaseColor() - 0x101010; + trackColor.a = alpha; + Color shadowColor = getBaseColor() - 0x303030; + shadowColor.a = alpha; + + graphics->setColor(trackColor); + graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height)); + + graphics->setColor(shadowColor); + graphics->drawLine(0, 0, dim.width, 0); + + graphics->popClipArea(); + } + + void ScrollArea::drawVBar(Graphics* graphics) + { + Rectangle dim = getVerticalBarDimension(); + + graphics->pushClipArea(dim); + + int alpha = getBaseColor().a; + Color trackColor = getBaseColor() - 0x101010; + trackColor.a = alpha; + Color shadowColor = getBaseColor() - 0x303030; + shadowColor.a = alpha; + + graphics->setColor(trackColor); + graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height)); + + graphics->setColor(shadowColor); + graphics->drawLine(0, 0, 0, dim.height); + + graphics->popClipArea(); + } + + void ScrollArea::drawBackground(Graphics *graphics) + { + if (isOpaque()) + { + graphics->setColor(getBackgroundColor()); + graphics->fillRectangle(getChildrenArea()); + } + } + + void ScrollArea::drawUpButton(Graphics* graphics) + { + Rectangle dim = getUpButtonDimension(); + graphics->pushClipArea(dim); + + Color highlightColor; + Color shadowColor; + Color faceColor; + int offset; + int alpha = getBaseColor().a; + + if (mUpButtonPressed) + { + faceColor = getBaseColor() - 0x303030; + faceColor.a = alpha; + highlightColor = faceColor - 0x303030; + highlightColor.a = alpha; + shadowColor = getBaseColor(); + shadowColor.a = alpha; + + offset = 1; + } + else + { + faceColor = getBaseColor(); + faceColor.a = alpha; + highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + offset = 0; + } + + graphics->setColor(faceColor); + graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height)); + + graphics->setColor(highlightColor); + graphics->drawLine(0, 0, dim.width - 1, 0); + graphics->drawLine(0, 1, 0, dim.height - 1); + + graphics->setColor(shadowColor); + graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1); + graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1); + + graphics->setColor(getForegroundColor()); + + int i; + int w = dim.height / 2; + int h = w / 2 + 2; + for (i = 0; i < w / 2; ++i) + { + graphics->drawLine(w - i + offset, + i + h + offset, + w + i + offset, + i + h + offset); + } + + graphics->popClipArea(); + } + + void ScrollArea::drawDownButton(Graphics* graphics) + { + Rectangle dim = getDownButtonDimension(); + graphics->pushClipArea(dim); + + Color highlightColor; + Color shadowColor; + Color faceColor; + int offset; + int alpha = getBaseColor().a; + + if (mDownButtonPressed) + { + faceColor = getBaseColor() - 0x303030; + faceColor.a = alpha; + highlightColor = faceColor - 0x303030; + highlightColor.a = alpha; + shadowColor = getBaseColor(); + shadowColor.a = alpha; + + offset = 1; + } + else + { + faceColor = getBaseColor(); + faceColor.a = alpha; + highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + offset = 0; + } + + graphics->setColor(faceColor); + graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height)); + + graphics->setColor(highlightColor); + graphics->drawLine(0, 0, dim.width - 1, 0); + graphics->drawLine(0, 1, 0, dim.height - 1); + + graphics->setColor(shadowColor); + graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1); + graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1); + + graphics->setColor(getForegroundColor()); + + int i; + int w = dim.height / 2; + int h = w + 1; + for (i = 0; i < w / 2; ++i) + { + graphics->drawLine(w - i + offset, + -i + h + offset, + w + i + offset, + -i + h + offset); + } + + graphics->popClipArea(); + } + + void ScrollArea::drawLeftButton(Graphics* graphics) + { + Rectangle dim = getLeftButtonDimension(); + graphics->pushClipArea(dim); + + Color highlightColor; + Color shadowColor; + Color faceColor; + int offset; + int alpha = getBaseColor().a; + + if (mLeftButtonPressed) + { + faceColor = getBaseColor() - 0x303030; + faceColor.a = alpha; + highlightColor = faceColor - 0x303030; + highlightColor.a = alpha; + shadowColor = getBaseColor(); + shadowColor.a = alpha; + + offset = 1; + } + else + { + faceColor = getBaseColor(); + faceColor.a = alpha; + highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + offset = 0; + } + + graphics->setColor(faceColor); + graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height)); + + graphics->setColor(highlightColor); + graphics->drawLine(0, 0, dim.width - 1, 0); + graphics->drawLine(0, 1, 0, dim.height - 1); + + graphics->setColor(shadowColor); + graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1); + graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1); + + graphics->setColor(getForegroundColor()); + + int i; + int w = dim.width / 2; + int h = w - 2; + for (i = 0; i < w / 2; ++i) + { + graphics->drawLine(i + h + offset, + w - i + offset, + i + h + offset, + w + i + offset); + } + + graphics->popClipArea(); + } + + void ScrollArea::drawRightButton(Graphics* graphics) + { + Rectangle dim = getRightButtonDimension(); + graphics->pushClipArea(dim); + + Color highlightColor; + Color shadowColor; + Color faceColor; + int offset; + int alpha = getBaseColor().a; + + if (mRightButtonPressed) + { + faceColor = getBaseColor() - 0x303030; + faceColor.a = alpha; + highlightColor = faceColor - 0x303030; + highlightColor.a = alpha; + shadowColor = getBaseColor(); + shadowColor.a = alpha; + + offset = 1; + } + else + { + faceColor = getBaseColor(); + faceColor.a = alpha; + highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + offset = 0; + } + + graphics->setColor(faceColor); + graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height)); + + graphics->setColor(highlightColor); + graphics->drawLine(0, 0, dim.width - 1, 0); + graphics->drawLine(0, 1, 0, dim.height - 1); + + graphics->setColor(shadowColor); + graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1); + graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1); + + graphics->setColor(getForegroundColor()); + + int i; + int w = dim.width / 2; + int h = w + 1; + for (i = 0; i < w / 2; ++i) + { + graphics->drawLine(-i + h + offset, + w - i + offset, + -i + h + offset, + w + i + offset); + } + + graphics->popClipArea(); + } + + void ScrollArea::drawVMarker(Graphics* graphics) + { + Rectangle dim = getVerticalMarkerDimension(); + graphics->pushClipArea(dim); + + int alpha = getBaseColor().a; + Color faceColor = getBaseColor(); + faceColor.a = alpha; + Color highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + Color shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + graphics->setColor(faceColor); + graphics->fillRectangle(Rectangle(1, 1, dim.width - 1, dim.height - 1)); + + graphics->setColor(highlightColor); + graphics->drawLine(0, 0, dim.width - 1, 0); + graphics->drawLine(0, 1, 0, dim.height - 1); + + graphics->setColor(shadowColor); + graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1); + graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1); + + graphics->popClipArea(); + } + + void ScrollArea::drawHMarker(Graphics* graphics) + { + Rectangle dim = getHorizontalMarkerDimension(); + graphics->pushClipArea(dim); + + int alpha = getBaseColor().a; + Color faceColor = getBaseColor(); + faceColor.a = alpha; + Color highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + Color shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + graphics->setColor(faceColor); + graphics->fillRectangle(Rectangle(1, 1, dim.width - 1, dim.height - 1)); + + graphics->setColor(highlightColor); + graphics->drawLine(0, 0, dim.width - 1, 0); + graphics->drawLine(0, 1, 0, dim.height - 1); + + graphics->setColor(shadowColor); + graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1); + graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1); + + graphics->popClipArea(); + } + + void ScrollArea::logic() + { + checkPolicies(); + + setVerticalScrollAmount(getVerticalScrollAmount()); + setHorizontalScrollAmount(getHorizontalScrollAmount()); + + if (getContent() != NULL) + { + getContent()->setPosition(-mHScroll + getContent()->getFrameSize(), + -mVScroll + getContent()->getFrameSize()); + getContent()->logic(); + } + } + + void ScrollArea::checkPolicies() + { + int w = getWidth(); + int h = getHeight(); + + mHBarVisible = false; + mVBarVisible = false; + + + if (!getContent()) + { + mHBarVisible = (mHPolicy == SHOW_ALWAYS); + mVBarVisible = (mVPolicy == SHOW_ALWAYS); + return; + } + + if (mHPolicy == SHOW_AUTO && + mVPolicy == SHOW_AUTO) + { + if (getContent()->getWidth() <= w + && getContent()->getHeight() <= h) + { + mHBarVisible = false; + mVBarVisible = false; + } + + if (getContent()->getWidth() > w) + { + mHBarVisible = true; + } + + if ((getContent()->getHeight() > h) + || (mHBarVisible && getContent()->getHeight() > h - mScrollbarWidth)) + { + mVBarVisible = true; + } + + if (mVBarVisible && getContent()->getWidth() > w - mScrollbarWidth) + { + mHBarVisible = true; + } + + return; + } + + switch (mHPolicy) + { + case SHOW_NEVER: + mHBarVisible = false; + break; + + case SHOW_ALWAYS: + mHBarVisible = true; + break; + + case SHOW_AUTO: + if (mVPolicy == SHOW_NEVER) + { + mHBarVisible = getContent()->getWidth() > w; + } + else // (mVPolicy == SHOW_ALWAYS) + { + mHBarVisible = getContent()->getWidth() > w - mScrollbarWidth; + } + break; + + default: + throw GCN_EXCEPTION("Horizontal scroll policy invalid."); + } + + switch (mVPolicy) + { + case SHOW_NEVER: + mVBarVisible = false; + break; + + case SHOW_ALWAYS: + mVBarVisible = true; + break; + + case SHOW_AUTO: + if (mHPolicy == SHOW_NEVER) + { + mVBarVisible = getContent()->getHeight() > h; + } + else // (mHPolicy == SHOW_ALWAYS) + { + mVBarVisible = getContent()->getHeight() > h - mScrollbarWidth; + } + break; + default: + throw GCN_EXCEPTION("Vertical scroll policy invalid."); + } + } + + Rectangle ScrollArea::getUpButtonDimension() + { + if (!mVBarVisible) + { + return Rectangle(0, 0, 0, 0); + } + + return Rectangle(getWidth() - mScrollbarWidth, + 0, + mScrollbarWidth, + mScrollbarWidth); + } + + Rectangle ScrollArea::getDownButtonDimension() + { + if (!mVBarVisible) + { + return Rectangle(0, 0, 0, 0); + } + + if (mVBarVisible && mHBarVisible) + { + return Rectangle(getWidth() - mScrollbarWidth, + getHeight() - mScrollbarWidth*2, + mScrollbarWidth, + mScrollbarWidth); + } + + return Rectangle(getWidth() - mScrollbarWidth, + getHeight() - mScrollbarWidth, + mScrollbarWidth, + mScrollbarWidth); + } + + Rectangle ScrollArea::getLeftButtonDimension() + { + if (!mHBarVisible) + { + return Rectangle(0, 0, 0, 0); + } + + return Rectangle(0, + getHeight() - mScrollbarWidth, + mScrollbarWidth, + mScrollbarWidth); + } + + Rectangle ScrollArea::getRightButtonDimension() + { + if (!mHBarVisible) + { + return Rectangle(0, 0, 0, 0); + } + + if (mVBarVisible && mHBarVisible) + { + return Rectangle(getWidth() - mScrollbarWidth*2, + getHeight() - mScrollbarWidth, + mScrollbarWidth, + mScrollbarWidth); + } + + return Rectangle(getWidth() - mScrollbarWidth, + getHeight() - mScrollbarWidth, + mScrollbarWidth, + mScrollbarWidth); + } + + Rectangle ScrollArea::getChildrenArea() + { + Rectangle area = Rectangle(0, + 0, + mVBarVisible ? getWidth() - mScrollbarWidth : getWidth(), + mHBarVisible ? getHeight() - mScrollbarWidth : getHeight()); + + if (area.width < 0 || area.height < 0) + return Rectangle(); + + return area; + } + + Rectangle ScrollArea::getVerticalBarDimension() + { + if (!mVBarVisible) + { + return Rectangle(0, 0, 0, 0); + } + + if (mHBarVisible) + { + return Rectangle(getWidth() - mScrollbarWidth, + getUpButtonDimension().height, + mScrollbarWidth, + getHeight() + - getUpButtonDimension().height + - getDownButtonDimension().height + - mScrollbarWidth); + } + + return Rectangle(getWidth() - mScrollbarWidth, + getUpButtonDimension().height, + mScrollbarWidth, + getHeight() + - getUpButtonDimension().height + - getDownButtonDimension().height); + } + + Rectangle ScrollArea::getHorizontalBarDimension() + { + if (!mHBarVisible) + { + return Rectangle(0, 0, 0, 0); + } + + if (mVBarVisible) + { + return Rectangle(getLeftButtonDimension().width, + getHeight() - mScrollbarWidth, + getWidth() + - getLeftButtonDimension().width + - getRightButtonDimension().width + - mScrollbarWidth, + mScrollbarWidth); + } + + return Rectangle(getLeftButtonDimension().width, + getHeight() - mScrollbarWidth, + getWidth() + - getLeftButtonDimension().width + - getRightButtonDimension().width, + mScrollbarWidth); + } + + Rectangle ScrollArea::getVerticalMarkerDimension() + { + if (!mVBarVisible) + { + return Rectangle(0, 0, 0, 0); + } + + int length, pos; + Rectangle barDim = getVerticalBarDimension(); + + if (getContent() && getContent()->getHeight() != 0) + { + length = (barDim.height * getChildrenArea().height) + / getContent()->getHeight(); + } + else + { + length = barDim.height; + } + + if (length < mScrollbarWidth) + { + length = mScrollbarWidth; + } + + if (length > barDim.height) + { + length = barDim.height; + } + + if (getVerticalMaxScroll() != 0) + { + pos = ((barDim.height - length) * getVerticalScrollAmount()) + / getVerticalMaxScroll(); + } + else + { + pos = 0; + } + + return Rectangle(barDim.x, barDim.y + pos, mScrollbarWidth, length); + } + + Rectangle ScrollArea::getHorizontalMarkerDimension() + { + if (!mHBarVisible) + { + return Rectangle(0, 0, 0, 0); + } + + int length, pos; + Rectangle barDim = getHorizontalBarDimension(); + + if (getContent() && getContent()->getWidth() != 0) + { + length = (barDim.width * getChildrenArea().width) + / getContent()->getWidth(); + } + else + { + length = barDim.width; + } + + if (length < mScrollbarWidth) + { + length = mScrollbarWidth; + } + + if (length > barDim.width) + { + length = barDim.width; + } + + if (getHorizontalMaxScroll() != 0) + { + pos = ((barDim.width - length) * getHorizontalScrollAmount()) + / getHorizontalMaxScroll(); + } + else + { + pos = 0; + } + + return Rectangle(barDim.x + pos, barDim.y, length, mScrollbarWidth); + } + + void ScrollArea::showWidgetPart(Widget* widget, Rectangle area) + { + if (widget != getContent()) + { + throw GCN_EXCEPTION("Widget not content widget"); + } + + BasicContainer::showWidgetPart(widget, area); + + setHorizontalScrollAmount(getContent()->getFrameSize() - getContent()->getX()); + setVerticalScrollAmount(getContent()->getFrameSize() - getContent()->getY()); + } + + Widget *ScrollArea::getWidgetAt(int x, int y) + { + if (getChildrenArea().isPointInRect(x, y)) + { + return getContent(); + } + + return NULL; + } + + void ScrollArea::mouseWheelMovedUp(MouseEvent& mouseEvent) + { + if (mouseEvent.isConsumed()) + { + return; + } + + setVerticalScrollAmount(getVerticalScrollAmount() - getChildrenArea().height / 8); + + mouseEvent.consume(); + } + + void ScrollArea::mouseWheelMovedDown(MouseEvent& mouseEvent) + { + if (mouseEvent.isConsumed()) + { + return; + } + + setVerticalScrollAmount(getVerticalScrollAmount() + getChildrenArea().height / 8); + + mouseEvent.consume(); + } + + void ScrollArea::setWidth(int width) + { + Widget::setWidth(width); + checkPolicies(); + } + + void ScrollArea::setHeight(int height) + { + Widget::setHeight(height); + checkPolicies(); + } + + void ScrollArea::setDimension(const Rectangle& dimension) + { + Widget::setDimension(dimension); + checkPolicies(); + } + + void ScrollArea::setLeftButtonScrollAmount(int amount) + { + mLeftButtonScrollAmount = amount; + } + + void ScrollArea::setRightButtonScrollAmount(int amount) + { + mRightButtonScrollAmount = amount; + } + + void ScrollArea::setUpButtonScrollAmount(int amount) + { + mUpButtonScrollAmount = amount; + } + + void ScrollArea::setDownButtonScrollAmount(int amount) + { + mDownButtonScrollAmount = amount; + } + + int ScrollArea::getLeftButtonScrollAmount() const + { + return mLeftButtonScrollAmount; + } + + int ScrollArea::getRightButtonScrollAmount() const + { + return mRightButtonScrollAmount; + } + + int ScrollArea::getUpButtonScrollAmount() const + { + return mUpButtonScrollAmount; + } + + int ScrollArea::getDownButtonScrollAmount() const + { + return mDownButtonScrollAmount; + } + + void ScrollArea::setOpaque(bool opaque) + { + mOpaque = opaque; + } + + + bool ScrollArea::isOpaque() const + { + return mOpaque; + } +} + +/* + * Wow! This is a looooong source file. + */ diff --git a/src/guichan/widgets/scrollarea.hpp b/src/guichan/widgets/scrollarea.hpp new file mode 100644 index 000000000..0b2ccad92 --- /dev/null +++ b/src/guichan/widgets/scrollarea.hpp @@ -0,0 +1,590 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_SCROLLAREA_HPP +#define GCN_SCROLLAREA_HPP + +#include <string> + +#include "guichan/basiccontainer.hpp" +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" + +namespace gcn +{ + /** + * Implementation if a scrollable area used to view widgets larger than the scroll area. + * A scroll area can be customized to always show scroll bars or to show them only when + * necessary. + */ + class GCN_CORE_DECLSPEC ScrollArea: + public BasicContainer, + public MouseListener + { + public: + + /** + * Scrollpolicies for the horizontal and vertical scrollbar. + * The policies are: + * + * SHOW_ALWAYS - Always show the scrollbars no matter what. + * SHOW_NEVER - Never show the scrollbars no matter waht. + * SHOW_AUTO - Show the scrollbars only when needed. That is if the + * content grows larger then the ScrollArea. + */ + enum ScrollPolicy + { + SHOW_ALWAYS = 0, + SHOW_NEVER, + SHOW_AUTO + }; + + /** + * Constructor. + */ + ScrollArea(); + + /** + * Constructor. + * + * @param content The content of the scroll area. + */ + ScrollArea(Widget *content); + + /** + * Constructor. + * + * @param content The content of the scroll area. + * @param hPolicy The policy for the horizontal scrollbar. See enum with + * policies. + * @param vPolicy The policy for the vertical scrollbar. See enum with + * policies. + */ + ScrollArea(Widget *content, + ScrollPolicy hPolicy, + ScrollPolicy vPolicy); + + /** + * Destructor. + */ + virtual ~ScrollArea(); + + /** + * Sets the content. + * + * @param widget The content of the scroll area. + */ + void setContent(Widget* widget); + + /** + * Gets the content. + * + * @return The content of the scroll area. + */ + Widget* getContent(); + + /** + * Sets the horizontal scrollbar policy. See enum with policies. + * + * @param hPolicy The policy for the horizontal scrollbar. + * @see getHorizontalScrollPolicy + */ + void setHorizontalScrollPolicy(ScrollPolicy hPolicy); + + /** + * Gets the horizontal scrollbar policy. See enum with policies. + * + * @return The policy for the horizontal scrollbar policy. + * @see setHorizontalScrollPolicy, setScrollPolicy + */ + ScrollPolicy getHorizontalScrollPolicy() const; + + /** + * Sets the vertical scrollbar policy. See enum with policies. + * + * @param vPolicy The policy for the vertical scrollbar. + * @see getVerticalScrollPolicy + */ + void setVerticalScrollPolicy(ScrollPolicy vPolicy); + + /** + * Gets the vertical scrollbar policy. See enum with policies. + * + * @return The policy for the vertical scrollbar. + * @see setVerticalScrollPolicy, setScrollPolicy + */ + ScrollPolicy getVerticalScrollPolicy() const; + + /** + * Sets the horizontal and vertical scrollbar policy. + * + * @param hPolicy The policy for the horizontal scrollbar. + * @param vPolicy The policy for the vertical scrollbar. + * @see getVerticalScrollPolicy, getHorizontalScrollPolicy + */ + void setScrollPolicy(ScrollPolicy hPolicy, ScrollPolicy vPolicy); + + /** + * Sets the amount to scroll vertically. + * + * @param vScroll The amount to scroll. + * @see getVerticalScrollAmount + */ + void setVerticalScrollAmount(int vScroll); + + /** + * Gets the amount that is scrolled vertically. + * + * @return The scroll amount on vertical scroll. + * @see setVerticalScrollAmount, setScrollAmount + */ + int getVerticalScrollAmount() const; + + /** + * Sets the amount to scroll horizontally. + * + * @param hScroll The amount to scroll. + * @see getHorizontalScrollAmount + */ + void setHorizontalScrollAmount(int hScroll); + + /** + * Gets the amount that is scrolled horizontally. + * + * @return The scroll amount on horizontal scroll. + * @see setHorizontalScrollAmount, setScrollAmount + */ + int getHorizontalScrollAmount() const; + + /** + * Sets the amount to scroll horizontally and vertically. + * + * @param hScroll The amount to scroll on horizontal scroll. + * @param vScroll The amount to scroll on vertical scroll. + * @see getHorizontalScrollAmount, getVerticalScrollAmount + */ + void setScrollAmount(int hScroll, int vScroll); + + /** + * Gets the maximum amount of horizontal scroll. + * + * @return The horizontal max scroll. + */ + int getHorizontalMaxScroll(); + + /** + * Gets the maximum amount of vertical scroll. + * + * @return The vertical max scroll. + */ + int getVerticalMaxScroll(); + + /** + * Sets the width of the scroll bars. + * + * @param width The width of the scroll bars. + * @see getScrollbarWidth + */ + void setScrollbarWidth(int width); + + /** + * Gets the width of the scroll bars. + * + * @return the width of the ScrollBar. + * @see setScrollbarWidth + */ + int getScrollbarWidth() const; + + /** + * Sets the amount to scroll in pixels when the left scroll button is + * pushed. + * + * @param amount The amount to scroll in pixels. + * @see getLeftButtonScrollAmount + */ + void setLeftButtonScrollAmount(int amount); + + /** + * Sets the amount to scroll in pixels when the right scroll button is + * pushed. + * + * @param amount The amount to scroll in pixels. + * @see getRightButtonScrollAmount + */ + void setRightButtonScrollAmount(int amount); + + /** + * Sets the amount to scroll in pixels when the up scroll button is + * pushed. + * + * @param amount The amount to scroll in pixels. + * @see getUpButtonScrollAmount + */ + void setUpButtonScrollAmount(int amount); + + /** + * Sets the amount to scroll in pixels when the down scroll button is + * pushed. + * + * @param amount The amount to scroll in pixels. + * @see getDownButtonScrollAmount + */ + void setDownButtonScrollAmount(int amount); + + /** + * Gets the amount to scroll in pixels when the left scroll button is + * pushed. + * + * @return The amount to scroll in pixels. + * @see setLeftButtonScrollAmount + */ + int getLeftButtonScrollAmount() const; + + /** + * Gets the amount to scroll in pixels when the right scroll button is + * pushed. + * + * @return The amount to scroll in pixels. + * @see setRightButtonScrollAmount + */ + int getRightButtonScrollAmount() const; + + /** + * Gets the amount to scroll in pixels when the up scroll button is + * pushed. + * + * @return The amount to scroll in pixels. + * @see setUpButtonScrollAmount + */ + int getUpButtonScrollAmount() const; + + /** + * Gets the amount to scroll in pixels when the down scroll button is + * pushed. + * + * @return The amount to scroll in pixels. + * @see setDownButtonScrollAmount + */ + int getDownButtonScrollAmount() const; + + /** + * Sets the scroll area to be opaque, that is sets the scoll area + * to display its background. + * + * @param opaque True if the scoll area should be opaque, false otherwise. + */ + void setOpaque(bool opaque); + + /** + * Checks if the scroll area is opaque, that is if the scroll area + * displays its background. + * + * @return True if the scroll area is opaque, false otherwise. + */ + bool isOpaque() const; + + + // Inherited from BasicContainer + + virtual void showWidgetPart(Widget* widget, Rectangle area); + + virtual Rectangle getChildrenArea(); + + virtual Widget *getWidgetAt(int x, int y); + + + // Inherited from Widget + + virtual void draw(Graphics *graphics); + + virtual void logic(); + + void setWidth(int width); + + void setHeight(int height); + + void setDimension(const Rectangle& dimension); + + + // Inherited from MouseListener + + virtual void mousePressed(MouseEvent& mouseEvent); + + virtual void mouseReleased(MouseEvent& mouseEvent); + + virtual void mouseDragged(MouseEvent& mouseEvent); + + virtual void mouseWheelMovedUp(MouseEvent& mouseEvent); + + virtual void mouseWheelMovedDown(MouseEvent& mouseEvent); + + protected: + /** + * Draws the background of the scroll area, that is + * the area behind the content. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawBackground(Graphics *graphics); + + /** + * Draws the up button. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawUpButton(Graphics *graphics); + + /** + * Draws the down button. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawDownButton(Graphics *graphics); + + /** + * Draws the left button. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawLeftButton(Graphics *graphics); + + /** + * Draws the right button. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawRightButton(Graphics *graphics); + + /** + * Draws the vertical scroll bar. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawVBar(Graphics* graphics); + + /** + * Draws the horizontal scroll bar. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawHBar(Graphics* graphics); + + /** + * Draws the vertical marker. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawVMarker(Graphics* graphics); + + /** + * Draws the horizontal marker. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawHMarker(Graphics* graphics); + + /** + * Checks the policies for the scroll bars. + */ + virtual void checkPolicies(); + + /** + * Gets the up button dimension. + * + * @return the dimension of the up button. + */ + Rectangle getUpButtonDimension(); + + /** + * Gets the down button dimension. + * + * @return the dimension of the down button. + */ + Rectangle getDownButtonDimension(); + + /** + * Gets the left button dimension. + * + * @return the dimension of the left button. + */ + Rectangle getLeftButtonDimension(); + + /** + * Gets the right button dimension. + * + * @return the dimension of the right button. + */ + Rectangle getRightButtonDimension(); + + /** + * Gets the vertical scrollbar dimension. + * + * @return the dimension of the vertical scrollbar. + */ + Rectangle getVerticalBarDimension(); + + /** + * Gets the horizontal scrollbar dimension. + * + * @return the dimension of the horizontal scrollbar. + */ + Rectangle getHorizontalBarDimension(); + + /** + * Gets the vertical marker dimension. + * + * @return the dimension of the vertical marker. + */ + Rectangle getVerticalMarkerDimension(); + + /** + * Gets the horizontal marker dimension. + * + * @return the dimension of the horizontal marker. + */ + Rectangle getHorizontalMarkerDimension(); + + /** + * Holds the vertical scroll amount. + */ + int mVScroll; + + /** + * Holds the horizontal scroll amount. + */ + int mHScroll; + + /** + * Holds the width of the scroll bars. + */ + int mScrollbarWidth; + + /** + * Holds the horizontal scroll bar policy. + */ + ScrollPolicy mHPolicy; + + /** + * Holds the vertical scroll bar policy. + */ + ScrollPolicy mVPolicy; + + /** + * True if the vertical scroll bar is visible, false otherwise. + */ + bool mVBarVisible; + + /** + * True if the horizontal scroll bar is visible, false otherwise. + */ + bool mHBarVisible; + + /** + * True if the up button is pressed, false otherwise. + */ + bool mUpButtonPressed; + + /** + * True if the down button is pressed, false otherwise. + */ + bool mDownButtonPressed; + + /** + * True if the left button is pressed, false otherwise. + */ + bool mLeftButtonPressed; + + /** + * True if the right button is pressed, false otherwise. + */ + bool mRightButtonPressed; + + /** + * Holds the up button scroll amount. + */ + int mUpButtonScrollAmount; + + /** + * Holds the down button scroll amount. + */ + int mDownButtonScrollAmount; + + /** + * Holds the left button scroll amount. + */ + int mLeftButtonScrollAmount; + + /** + * Holds the right button scroll amount. + */ + int mRightButtonScrollAmount; + + /** + * True if the vertical marked is dragged. + */ + bool mIsVerticalMarkerDragged; + + /** + * True if the horizontal marked is dragged. + */ + bool mIsHorizontalMarkerDragged; + + /** + * Holds the horizontal markers drag offset. + */ + int mHorizontalMarkerDragOffset; + + /** + * Holds the vertical markers drag offset. + */ + int mVerticalMarkerDragOffset; + + /** + * True if the scroll area should be opaque (that is + * display its background), false otherwise. + */ + bool mOpaque; + }; +} + +#endif // end GCN_SCROLLAREA_HPP diff --git a/src/guichan/widgets/slider.cpp b/src/guichan/widgets/slider.cpp new file mode 100644 index 000000000..a32209124 --- /dev/null +++ b/src/guichan/widgets/slider.cpp @@ -0,0 +1,369 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/slider.hpp" + +#include "guichan/graphics.hpp" +#include "guichan/key.hpp" +#include "guichan/mouseinput.hpp" + +namespace gcn +{ + Slider::Slider(double scaleEnd) + { + mDragged = false; + + mScaleStart = 0; + mScaleEnd = scaleEnd; + + setFocusable(true); + setFrameSize(1); + setOrientation(HORIZONTAL); + setValue(0); + setStepLength(scaleEnd / 10); + setMarkerLength(10); + + addMouseListener(this); + addKeyListener(this); + } + + Slider::Slider(double scaleStart, double scaleEnd) + { + mDragged = false; + + mScaleStart = scaleStart; + mScaleEnd = scaleEnd; + + setFocusable(true); + setFrameSize(1); + setOrientation(HORIZONTAL); + setValue(scaleStart); + setStepLength((scaleEnd - scaleStart)/ 10); + setMarkerLength(10); + + addMouseListener(this); + addKeyListener(this); + } + + void Slider::setScale(double scaleStart, double scaleEnd) + { + mScaleStart = scaleStart; + mScaleEnd = scaleEnd; + } + + double Slider::getScaleStart() const + { + return mScaleStart; + } + + void Slider::setScaleStart(double scaleStart) + { + mScaleStart = scaleStart; + } + + double Slider::getScaleEnd() const + { + return mScaleEnd; + } + + void Slider::setScaleEnd(double scaleEnd) + { + mScaleEnd = scaleEnd; + } + + void Slider::draw(gcn::Graphics* graphics) + { + Color shadowColor = getBaseColor() - 0x101010; + int alpha = getBaseColor().a; + shadowColor.a = alpha; + + graphics->setColor(shadowColor); + graphics->fillRectangle(gcn::Rectangle(0,0,getWidth(),getHeight())); + + drawMarker(graphics); + } + + void Slider::drawMarker(gcn::Graphics* graphics) + { + gcn::Color faceColor = getBaseColor(); + Color highlightColor, shadowColor; + int alpha = getBaseColor().a; + highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + graphics->setColor(faceColor); + + if (getOrientation() == HORIZONTAL) + { + int v = getMarkerPosition(); + graphics->fillRectangle(gcn::Rectangle(v + 1, 1, getMarkerLength() - 2, getHeight() - 2)); + graphics->setColor(highlightColor); + graphics->drawLine(v, 0, v + getMarkerLength() - 1,0); + graphics->drawLine(v, 0, v, getHeight() - 1); + graphics->setColor(shadowColor); + graphics->drawLine(v + getMarkerLength() - 1, 1, v + getMarkerLength() - 1, getHeight() - 1); + graphics->drawLine(v + 1, getHeight() - 1, v + getMarkerLength() - 1, getHeight() - 1); + + if (isFocused()) + { + graphics->setColor(getForegroundColor()); + graphics->drawRectangle(Rectangle(v + 2, 2, getMarkerLength() - 4, getHeight() - 4)); + } + } + else + { + int v = (getHeight() - getMarkerLength()) - getMarkerPosition(); + graphics->fillRectangle(gcn::Rectangle(1, v + 1, getWidth() - 2, getMarkerLength() - 2)); + graphics->setColor(highlightColor); + graphics->drawLine(0, v, 0, v + getMarkerLength() - 1); + graphics->drawLine(0, v, getWidth() - 1, v); + graphics->setColor(shadowColor); + graphics->drawLine(1, v + getMarkerLength() - 1, getWidth() - 1, v + getMarkerLength() - 1); + graphics->drawLine(getWidth() - 1, v + 1, getWidth() - 1, v + getMarkerLength() - 1); + + if (isFocused()) + { + graphics->setColor(getForegroundColor()); + graphics->drawRectangle(Rectangle(2, v + 2, getWidth() - 4, getMarkerLength() - 4)); + } + } + } + + void Slider::mousePressed(MouseEvent& mouseEvent) + { + if (mouseEvent.getButton() == gcn::MouseEvent::LEFT + && mouseEvent.getX() >= 0 + && mouseEvent.getX() <= getWidth() + && mouseEvent.getY() >= 0 + && mouseEvent.getY() <= getHeight()) + { + if (getOrientation() == HORIZONTAL) + { + setValue(markerPositionToValue(mouseEvent.getX() - getMarkerLength() / 2)); + } + else + { + setValue(markerPositionToValue(getHeight() - mouseEvent.getY() - getMarkerLength() / 2)); + } + + distributeActionEvent(); + } + } + + void Slider::mouseDragged(MouseEvent& mouseEvent) + { + if (getOrientation() == HORIZONTAL) + { + setValue(markerPositionToValue(mouseEvent.getX() - getMarkerLength() / 2)); + } + else + { + setValue(markerPositionToValue(getHeight() - mouseEvent.getY() - getMarkerLength() / 2)); + } + + distributeActionEvent(); + + mouseEvent.consume(); + } + + void Slider::setValue(double value) + { + if (value > getScaleEnd()) + { + mValue = getScaleEnd(); + return; + } + + if (value < getScaleStart()) + { + mValue = getScaleStart(); + return; + } + + mValue = value; + } + + double Slider::getValue() const + { + return mValue; + } + + int Slider::getMarkerLength() const + { + return mMarkerLength; + } + + void Slider::setMarkerLength(int length) + { + mMarkerLength = length; + } + + void Slider::keyPressed(KeyEvent& keyEvent) + { + Key key = keyEvent.getKey(); + + if (getOrientation() == HORIZONTAL) + { + if (key.getValue() == Key::RIGHT) + { + setValue(getValue() + getStepLength()); + distributeActionEvent(); + keyEvent.consume(); + } + else if (key.getValue() == Key::LEFT) + { + setValue(getValue() - getStepLength()); + distributeActionEvent(); + keyEvent.consume(); + } + } + else + { + if (key.getValue() == Key::UP) + { + setValue(getValue() + getStepLength()); + distributeActionEvent(); + keyEvent.consume(); + } + else if (key.getValue() == Key::DOWN) + { + setValue(getValue() - getStepLength()); + distributeActionEvent(); + keyEvent.consume(); + } + } + } + + void Slider::setOrientation(Slider::Orientation orientation) + { + mOrientation = orientation; + } + + Slider::Orientation Slider::getOrientation() const + { + return mOrientation; + } + + double Slider::markerPositionToValue(int v) const + { + int w; + if (getOrientation() == HORIZONTAL) + { + w = getWidth(); + } + else + { + w = getHeight(); + } + + double pos = v / ((double)w - getMarkerLength()); + return (1.0 - pos) * getScaleStart() + pos * getScaleEnd(); + + } + + int Slider::valueToMarkerPosition(double value) const + { + int v; + if (getOrientation() == HORIZONTAL) + { + v = getWidth(); + } + else + { + v = getHeight(); + } + + int w = (int)((v - getMarkerLength()) + * (value - getScaleStart()) + / (getScaleEnd() - getScaleStart())); + + if (w < 0) + { + return 0; + } + + if (w > v - getMarkerLength()) + { + return v - getMarkerLength(); + } + + return w; + } + + void Slider::setStepLength(double length) + { + mStepLength = length; + } + + double Slider::getStepLength() const + { + return mStepLength; + } + + int Slider::getMarkerPosition() const + { + return valueToMarkerPosition(getValue()); + } + + void Slider::mouseWheelMovedUp(MouseEvent& mouseEvent) + { + setValue(getValue() + getStepLength()); + distributeActionEvent(); + + mouseEvent.consume(); + } + + void Slider::mouseWheelMovedDown(MouseEvent& mouseEvent) + { + setValue(getValue() - getStepLength()); + distributeActionEvent(); + + mouseEvent.consume(); + } +} diff --git a/src/guichan/widgets/slider.hpp b/src/guichan/widgets/slider.hpp new file mode 100644 index 000000000..eddf02c50 --- /dev/null +++ b/src/guichan/widgets/slider.hpp @@ -0,0 +1,300 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_SLIDER_HPP +#define GCN_SLIDER_HPP + +#include "guichan/keylistener.hpp" +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" +#include "guichan/widget.hpp" + +namespace gcn +{ + /** + * An implementation of a slider where a user can select different values by + * sliding between a start value and an end value of a scale. + * + * If the selected value is changed an action event will be sent to all + * action listeners of the slider. + */ + class GCN_CORE_DECLSPEC Slider : + public Widget, + public MouseListener, + public KeyListener + { + public: + + /** + * Draw orientations for the slider. A slider can be drawn vertically or + * horizontally. + */ + enum Orientation + { + HORIZONTAL = 0, + VERTICAL + }; + + /** + * Constructor. The default start value of the slider scale is zero. + * + * @param scaleEnd The end value of the slider scale. + */ + Slider(double scaleEnd = 1.0); + + /** + * Constructor. + * + * @param scaleStart The start value of the slider scale. + * @param scaleEnd The end value of the slider scale. + */ + Slider(double scaleStart, double scaleEnd); + + /** + * Destructor. + */ + virtual ~Slider() { } + + /** + * Sets the scale of the slider. + * + * @param scaleStart The start value of the scale. + * @param scaleEnd tThe end of value the scale. + * @see getScaleStart, getScaleEnd + */ + void setScale(double scaleStart, double scaleEnd); + + /** + * Gets the start value of the scale. + * + * @return The start value of the scale. + * @see setScaleStart, setScale + */ + double getScaleStart() const; + + /** + * Sets the start value of the scale. + * + * @param scaleStart The start value of the scale. + * @see getScaleStart + */ + void setScaleStart(double scaleStart); + + /** + * Gets the end value of the scale. + * + * @return The end value of the scale. + * @see setScaleEnd, setScale + */ + double getScaleEnd() const; + + /** + * Sets the end value of the scale. + * + * @param scaleEnd The end value of the scale. + * @see getScaleEnd + */ + void setScaleEnd(double scaleEnd); + + /** + * Gets the current selected value. + * + * @return The current selected value. + * @see setValue + */ + double getValue() const; + + /** + * Sets the current selected value. + * + * @param value The current selected value. + * @see getValue + */ + void setValue(double value); + + /** + * Sets the length of the marker. + * + * @param length The length for the marker. + * @see getMarkerLength + */ + void setMarkerLength(int length); + + /** + * Gets the length of the marker. + * + * @return The length of the marker. + * @see setMarkerLength + */ + int getMarkerLength() const; + + /** + * Sets the orientation of the slider. A slider can be drawn vertically + * or horizontally. + * + * @param orientation The orientation of the slider. + * @see getOrientation + */ + void setOrientation(Orientation orientation); + + /** + * Gets the orientation of the slider. A slider can be drawn vertically + * or horizontally. + * + * @return The orientation of the slider. + * @see setOrientation + */ + Orientation getOrientation() const; + + /** + * Sets the step length. The step length is used when the keys LEFT + * and RIGHT are pressed to step in the scale. + * + * @param length The step length. + * @see getStepLength + */ + void setStepLength(double length); + + /** + * Gets the step length. The step length is used when the keys LEFT + * and RIGHT are pressed to step in the scale. + * + * @return the step length. + * @see setStepLength + */ + double getStepLength() const; + + + // Inherited from Widget + + virtual void draw(Graphics* graphics); + + + // Inherited from MouseListener. + + virtual void mousePressed(MouseEvent& mouseEvent); + + virtual void mouseDragged(MouseEvent& mouseEvent); + + virtual void mouseWheelMovedUp(MouseEvent& mouseEvent); + + virtual void mouseWheelMovedDown(MouseEvent& mouseEvent); + + + // Inherited from KeyListener + + virtual void keyPressed(KeyEvent& keyEvent); + + protected: + /** + * Draws the marker. + * + * @param graphics A graphics object to draw with. + */ + virtual void drawMarker(gcn::Graphics* graphics); + + /** + * Converts a marker position to a value in the scale. + * + * @param position The position to convert. + * @return A scale value corresponding to the position. + * @see valueToMarkerPosition + */ + virtual double markerPositionToValue(int position) const; + + /** + * Converts a value to a marker position. + * + * @param value The value to convert. + * @return A marker position corresponding to the value. + * @see markerPositionToValue + */ + virtual int valueToMarkerPosition(double value) const; + + /** + * Gets the marker position of the current selected value. + * + * @return The marker position of the current selected value. + */ + virtual int getMarkerPosition() const; + + /** + * True if the slider is dragged, false otherwise. + */ + bool mDragged; + + /** + * Holds the current selected value. + */ + double mValue; + + /** + * Holds the step length. The step length is used when the keys LEFT + * and RIGHT are pressed to step in the scale. + */ + double mStepLength; + + /** + * Holds the length of the marker. + */ + int mMarkerLength; + + /** + * Holds the start value of the scale. + */ + double mScaleStart; + + /** + * Holds the end value of the scale. + */ + double mScaleEnd; + + /** + * Holds the orientation of the slider. A slider can be drawn + * vertically or horizontally. + */ + Orientation mOrientation; + }; +} + +#endif // end GCN_SLIDER_HPP diff --git a/src/guichan/widgets/tab.cpp b/src/guichan/widgets/tab.cpp new file mode 100644 index 000000000..8ba122b26 --- /dev/null +++ b/src/guichan/widgets/tab.cpp @@ -0,0 +1,181 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/tab.hpp" + +#include "guichan/font.hpp" +#include "guichan/graphics.hpp" +#include "guichan/widgets/button.hpp" +#include "guichan/widgets/label.hpp" +#include "guichan/widgets/tabbedarea.hpp" + +namespace gcn +{ + Tab::Tab() + :mHasMouse(false), + mTabbedArea(NULL) + { + mLabel = new Label(); + mLabel->setPosition(4, 4); + add(mLabel); + + addMouseListener(this); + } + + Tab::~Tab() + { + delete mLabel; + } + + void Tab::adjustSize() + { + setSize(mLabel->getWidth() + 8, + mLabel->getHeight() + 8); + + if (mTabbedArea != NULL) + { + mTabbedArea->adjustTabPositions(); + } + } + + void Tab::setTabbedArea(TabbedArea* tabbedArea) + { + mTabbedArea = tabbedArea; + } + + TabbedArea* Tab::getTabbedArea() + { + return mTabbedArea; + } + + void Tab::setCaption(const std::string& caption) + { + mLabel->setCaption(caption); + mLabel->adjustSize(); + adjustSize(); + } + + const std::string& Tab::getCaption() const + { + return mLabel->getCaption(); + } + + void Tab::draw(Graphics *graphics) + { + const Color &faceColor = getBaseColor(); + const int alpha = getBaseColor().a; + Color highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + Color shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + Color borderColor; + Color baseColor; + + if ((mTabbedArea != NULL && mTabbedArea->isTabSelected(this)) + || mHasMouse) + { + // Draw a border. + graphics->setColor(highlightColor); + graphics->drawLine(0, 0, getWidth() - 1, 0); + graphics->drawLine(0, 1, 0, getHeight() - 1); + graphics->setColor(shadowColor); + graphics->drawLine(getWidth() - 1, 1, getWidth() - 1, getHeight() - 1); + + borderColor = highlightColor; + baseColor = getBaseColor(); + } + else + { + // Draw a border. + graphics->setColor(shadowColor); + graphics->drawLine(0, 0, getWidth() - 1, 0); + graphics->drawLine(0, 1, 0, getHeight() - 1); + graphics->drawLine(getWidth() - 1, 1, getWidth() - 1, getHeight() - 1); + + baseColor = getBaseColor() - 0x151515; + baseColor.a = alpha; + } + + // Push a clip area so the other drawings don't need to worry + // about the border. + graphics->pushClipArea(Rectangle(1, 1, getWidth() - 2, getHeight() - 1)); + const Rectangle currentClipArea = graphics->getCurrentClipArea(); + + graphics->setColor(baseColor); + graphics->fillRectangle(Rectangle(0, + 0, + currentClipArea.width, + currentClipArea.height)); + + drawChildren(graphics); + + if (mTabbedArea != NULL + && mTabbedArea->isFocused() + && mTabbedArea->isTabSelected(this)) + { + graphics->setColor(Color(0x000000)); + graphics->drawRectangle(Rectangle(2, + 2, + currentClipArea.width - 4, + currentClipArea.height - 4)); + } + + graphics->popClipArea(); + } + + void Tab::mouseEntered(MouseEvent& mouseEvent) + { + mHasMouse = true; + } + + void Tab::mouseExited(MouseEvent& mouseEvent) + { + mHasMouse = false; + } +} + diff --git a/src/guichan/widgets/tab.hpp b/src/guichan/widgets/tab.hpp new file mode 100644 index 000000000..bf89afccb --- /dev/null +++ b/src/guichan/widgets/tab.hpp @@ -0,0 +1,151 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_TAB_HPP +#define GCN_TAB_HPP + +#include <map> +#include <string> + +#include "guichan/basiccontainer.hpp" +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" + +namespace gcn +{ + class Label; + class TabbedArea; + + /** + * An implementation of a simple tab to be used in a tabbed area. + * + * @see TabbedArea + * @since 0.8.0 + */ + class GCN_CORE_DECLSPEC Tab: + public BasicContainer, + public MouseListener + { + public: + + /** + * Constructor. + */ + Tab(); + + /** + * Destructor. + */ + virtual ~Tab(); + + /** + * Adjusts the size of the tab to fit the caption. If this tab was + * added to a TabbedArea, it will also adjust the tab positions. + */ + void adjustSize(); + + /** + * Sets the tabbed area the tab should be a part of. + * + * @param tabbedArea The tabbed area the tab should be a part of. + * @see getTabbedArea + */ + void setTabbedArea(TabbedArea* tabbedArea); + + /** + * Gets the tabbed are the tab is a part of. + * + * @return The tabbed are the tab is a part of. + * @see setTabbedArea + */ + TabbedArea* getTabbedArea(); + + /** + * Sets the caption of the tab. It's advisable to call + * adjustSize after setting the caption to make the tab + * fit the caption. + * + * @param caption The caption of the tab. + * @see getCaption, adjustSize + */ + void setCaption(const std::string& caption); + + /** + * Gets the caption of the tab. + * + * @return The caption of the tab. + * @see setCaption + */ + const std::string& getCaption() const; + + + // Inherited from Widget + + virtual void draw(Graphics *graphics); + + + // Inherited from MouseListener + + virtual void mouseEntered(MouseEvent& mouseEvent); + + virtual void mouseExited(MouseEvent& mouseEvent); + + protected: + /** + * Holds the label of the tab. + */ + Label* mLabel; + + /** + * True if the tab has the mouse, false otherwise. + */ + bool mHasMouse; + + /** + * Holds the tabbed area the tab is a part of. + */ + TabbedArea* mTabbedArea; + }; +} + +#endif // end GCN_TABBEDAREA_HPP diff --git a/src/guichan/widgets/tabbedarea.cpp b/src/guichan/widgets/tabbedarea.cpp new file mode 100644 index 000000000..e07d14c4d --- /dev/null +++ b/src/guichan/widgets/tabbedarea.cpp @@ -0,0 +1,482 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/tabbedarea.hpp" + +#include "guichan/exception.hpp" +#include "guichan/focushandler.hpp" +#include "guichan/font.hpp" +#include "guichan/graphics.hpp" + +#include "guichan/widgets/container.hpp" +#include "guichan/widgets/tab.hpp" + +#include <algorithm> + +namespace gcn +{ + TabbedArea::TabbedArea() + :mSelectedTab(NULL), + mOpaque(false) + { + setFocusable(true); + addKeyListener(this); + addMouseListener(this); + + mTabContainer = new Container(); + mTabContainer->setOpaque(false); + mWidgetContainer = new Container(); + + add(mTabContainer); + add(mWidgetContainer); + } + + TabbedArea::~TabbedArea() + { + remove(mTabContainer); + remove(mWidgetContainer); + + delete mTabContainer; + delete mWidgetContainer; + + for (unsigned int i = 0; i < mTabsToDelete.size(); i++) + { + delete mTabsToDelete[i]; + } + } + + void TabbedArea::addTab(const std::string& caption, Widget* widget) + { + Tab* tab = new Tab(); + tab->setCaption(caption); + mTabsToDelete.push_back(tab); + + addTab(tab, widget); + } + + void TabbedArea::addTab(Tab* tab, Widget* widget) + { + tab->setTabbedArea(this); + tab->addActionListener(this); + + mTabContainer->add(tab); + mTabs.push_back(std::pair<Tab*, Widget*>(tab, widget)); + + if (mSelectedTab == NULL) + { + setSelectedTab(tab); + } + + adjustTabPositions(); + adjustSize(); + } + + void TabbedArea::removeTabWithIndex(unsigned int index) + { + if (index >= mTabs.size()) + { + throw GCN_EXCEPTION("No such tab index."); + } + + removeTab(mTabs[index].first); + } + + void TabbedArea::removeTab(Tab* tab) + { + int tabIndexToBeSelected = - 1; + + if (tab == mSelectedTab) + { + int index = getSelectedTabIndex(); + + if (index == (int)mTabs.size() - 1 + && mTabs.size() >= 2) + { + tabIndexToBeSelected = index--; + } + else if (index == (int)mTabs.size() - 1 + && mTabs.size() == 1) + { + tabIndexToBeSelected = -1; + } + else + { + tabIndexToBeSelected = index; + } + } + + std::vector<std::pair<Tab*, Widget*> >::iterator iter; + for (iter = mTabs.begin(); iter != mTabs.end(); iter++) + { + if (iter->first == tab) + { + mTabContainer->remove(tab); + mTabs.erase(iter); + break; + } + } + + std::vector<Tab*>::iterator iter2; + for (iter2 = mTabsToDelete.begin(); iter2 != mTabsToDelete.end(); iter2++) + { + if (*iter2 == tab) + { + mTabsToDelete.erase(iter2); + delete tab; + break; + } + } + + if (tabIndexToBeSelected == -1) + { + mSelectedTab = NULL; + mWidgetContainer->clear(); + } + else + { + setSelectedTab(tabIndexToBeSelected); + } + + adjustSize(); + adjustTabPositions(); + } + + bool TabbedArea::isTabSelected(unsigned int index) const + { + if (index >= mTabs.size()) + { + throw GCN_EXCEPTION("No such tab index."); + } + + return mSelectedTab == mTabs[index].first; + } + + bool TabbedArea::isTabSelected(Tab* tab) + { + return mSelectedTab == tab; + } + + void TabbedArea::setSelectedTab(unsigned int index) + { + if (index >= mTabs.size()) + { + throw GCN_EXCEPTION("No such tab index."); + } + + setSelectedTab(mTabs[index].first); + } + + void TabbedArea::setSelectedTab(Tab* tab) + { + unsigned int i; + for (i = 0; i < mTabs.size(); i++) + { + if (mTabs[i].first == mSelectedTab) + { + mWidgetContainer->remove(mTabs[i].second); + } + } + + for (i = 0; i < mTabs.size(); i++) + { + if (mTabs[i].first == tab) + { + mSelectedTab = tab; + mWidgetContainer->add(mTabs[i].second); + } + } + } + + int TabbedArea::getSelectedTabIndex() const + { + unsigned int i; + for (i = 0; i < mTabs.size(); i++) + { + if (mTabs[i].first == mSelectedTab) + { + return i; + } + } + + return -1; + } + + Tab* TabbedArea::getSelectedTab() + { + return mSelectedTab; + } + + void TabbedArea::setOpaque(bool opaque) + { + mOpaque = opaque; + } + + bool TabbedArea::isOpaque() const + { + return mOpaque; + } + + void TabbedArea::draw(Graphics *graphics) + { + const Color &faceColor = getBaseColor(); + const int alpha = getBaseColor().a; + Color highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + Color shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + // Draw a border. + graphics->setColor(highlightColor); + graphics->drawLine(0, + mTabContainer->getHeight(), + 0, + getHeight() - 2); + graphics->setColor(shadowColor); + graphics->drawLine(getWidth() - 1, + mTabContainer->getHeight() + 1, + getWidth() - 1, + getHeight() - 1); + graphics->drawLine(1, + getHeight() - 1, + getWidth() - 1, + getHeight() - 1); + + if (isOpaque()) + { + graphics->setColor(getBaseColor()); + graphics->fillRectangle(Rectangle(1, 1, + getWidth() - 2, + getHeight() - 2)); + } + + // Draw a line underneath the tabs. + graphics->setColor(highlightColor); + graphics->drawLine(1, + mTabContainer->getHeight(), + getWidth() - 1, + mTabContainer->getHeight()); + + // If a tab is selected, remove the line right underneath + // the selected tab. + if (mSelectedTab != NULL) + { + graphics->setColor(getBaseColor()); + graphics->drawLine(mSelectedTab->getX() + 1, + mTabContainer->getHeight(), + mSelectedTab->getX() + mSelectedTab->getWidth() - 2, + mTabContainer->getHeight()); + + } + + drawChildren(graphics); + } + + void TabbedArea::logic() + { + } + + void TabbedArea::adjustSize() + { + int maxTabHeight = 0; + + for (unsigned int i = 0; i < mTabs.size(); i++) + { + if (mTabs[i].first->getHeight() > maxTabHeight) + { + maxTabHeight = mTabs[i].first->getHeight(); + } + } + + mTabContainer->setSize(getWidth() - 2, + maxTabHeight); + + mWidgetContainer->setPosition(1, maxTabHeight + 1); + mWidgetContainer->setSize(getWidth() - 2, + getHeight() - maxTabHeight - 2); + } + + void TabbedArea::adjustTabPositions() + { + int maxTabHeight = 0; + unsigned int i; + for (i = 0; i < mTabs.size(); i++) + { + if (mTabs[i].first->getHeight() > maxTabHeight) + { + maxTabHeight = mTabs[i].first->getHeight(); + } + } + + int x = 0; + for (i = 0; i < mTabs.size(); i++) + { + Tab* tab = mTabs[i].first; + tab->setPosition(x, maxTabHeight - tab->getHeight()); + x += tab->getWidth(); + } + } + + void TabbedArea::setWidth(int width) + { + Widget::setWidth(width); + adjustSize(); + } + + void TabbedArea::setHeight(int height) + { + Widget::setHeight(height); + adjustSize(); + } + + void TabbedArea::setSize(int width, int height) + { + Widget::setSize(width, height); + adjustSize(); + } + + void TabbedArea::setDimension(const Rectangle& dimension) + { + Widget::setDimension(dimension); + adjustSize(); + } + + void TabbedArea::keyPressed(KeyEvent& keyEvent) + { + if (keyEvent.isConsumed() || !isFocused()) + { + return; + } + + if (keyEvent.getKey().getValue() == Key::LEFT) + { + int index = getSelectedTabIndex(); + index--; + + if (index < 0) + { + return; + } + else + { + setSelectedTab(mTabs[index].first); + } + + keyEvent.consume(); + } + else if (keyEvent.getKey().getValue() == Key::RIGHT) + { + int index = getSelectedTabIndex(); + index++; + + if (index >= (int)mTabs.size()) + { + return; + } + else + { + setSelectedTab(mTabs[index].first); + } + + keyEvent.consume(); + } + } + + + void TabbedArea::mousePressed(MouseEvent& mouseEvent) + { + if (mouseEvent.isConsumed()) + { + return; + } + + if (mouseEvent.getButton() == MouseEvent::LEFT) + { + Widget* widget = mTabContainer->getWidgetAt(mouseEvent.getX(), mouseEvent.getY()); + Tab* tab = dynamic_cast<Tab*>(widget); + + if (tab != NULL) + { + setSelectedTab(tab); + } + } + + // Request focus only if the source of the event + // is not focusble. If the source of the event + // is focused we don't want to steal the focus. + if (!mouseEvent.getSource()->isFocusable()) + { + requestFocus(); + } + } + + void TabbedArea::death(const Event& event) + { + Tab* tab = dynamic_cast<Tab*>(event.getSource()); + + if (tab != NULL) + { + removeTab(tab); + } + else + { + BasicContainer::death(event); + } + } + + void TabbedArea::action(const ActionEvent& actionEvent) + { + Widget* source = actionEvent.getSource(); + Tab* tab = dynamic_cast<Tab*>(source); + + if (tab == NULL) + { + throw GCN_EXCEPTION("Received an action from a widget that's not a tab!"); + } + + setSelectedTab(tab); + } +} diff --git a/src/guichan/widgets/tabbedarea.hpp b/src/guichan/widgets/tabbedarea.hpp new file mode 100644 index 000000000..843bbde81 --- /dev/null +++ b/src/guichan/widgets/tabbedarea.hpp @@ -0,0 +1,280 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_TABBEDAREA_HPP +#define GCN_TABBEDAREA_HPP + +#include <map> +#include <string> +#include <vector> + +#include "guichan/actionlistener.hpp" +#include "guichan/basiccontainer.hpp" +#include "guichan/keylistener.hpp" +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" + +namespace gcn +{ + class Container; + class Tab; + + /** + * An implementation of a tabbed area where a user can display a widget by + * selecting a tab. + * + * @since 0.8.0 + */ + class GCN_CORE_DECLSPEC TabbedArea: + public ActionListener, + public BasicContainer, + public KeyListener, + public MouseListener + { + friend class Tab; + + public: + /** + * Constructor. + */ + TabbedArea(); + + /** + * Destructor. + */ + virtual ~TabbedArea(); + + /** + * Sets the tabbed area to be opaque or not. If the tabbed area is + * opaque its background will be drawn, if it's not opaque its + * background will not be drawn. By default, a tabbed area is not + * opaque. + * + * The tabbed area's background is normally only visible behind the + * tabs, since the container holding the tab contents is opaque by + * default. + * + * @param opaque True if the tabbed area should be opaque, false + * otherwise. + * @see isOpaque + */ + void setOpaque(bool opaque); + + /** + * Checks if the tabbed area is opaque or not. + * + * @return true if the tabbed area is opaque, false otherwise. + * @see setOpaque + */ + bool isOpaque() const; + + /** + * Adds a tab to the tabbed area. The newly created tab will be + * automatically deleted by the tabbed area when it is removed. + * + * @param caption The caption of the tab to add. + * @param widget The widget to view when the tab is selected. + * @see removeTab, removeTabWithIndex + */ + virtual void addTab(const std::string& caption, Widget* widget); + + /** + * Adds a tab to the tabbed area. The tab will not be deleted by the + * tabbed area when it is removed. + * + * @param tab The tab widget for the tab. + * @param widget The widget to view when the tab is selected. + * @see removeTab, removeTabWithIndex + */ + virtual void addTab(Tab* tab, Widget* widget); + + /** + * Removes a tab from the tabbed area. + * + * @param index The index of the tab to remove. + * @see addTab + */ + virtual void removeTabWithIndex(unsigned int index); + + /** + * Removes a tab from the tabbed area. + * + * @param index The tab to remove. + * @see addTab + */ + virtual void removeTab(Tab* tab); + + /** + * Checks if a tab given an index is selected or not. + * + * @param index The index of the tab to check. + * @return True if the tab is selected, false otherwise. + * @see setSelectedTab + */ + virtual bool isTabSelected(unsigned int index) const; + + /** + * Checks if a tab is selected or not. + * + * @param index The tab to check. + * @return True if the tab is selected, false otherwise. + * @see setSelectedTab + */ + virtual bool isTabSelected(Tab* tab); + + /** + * Sets a tab given an index to be selected. + * + * @param index The index of the tab to be selected. + * @see isTabSelected, getSelectedTab + */ + virtual void setSelectedTab(unsigned int index); + + /** + * Sets a tab to be selected or not. + * + * @param index The tab to be selected. + * @see isTabSelected, getSelectedTab + */ + virtual void setSelectedTab(Tab* tab); + + /** + * Gets the index of the selected tab. + * + * @return The undex of the selected tab. + * If no tab is selected -1 will be returned. + * @see isTabSelected, setSelectedTab + */ + virtual int getSelectedTabIndex() const; + + /** + * Gets the selected tab. + * + * @return The selected tab. + * @see isTabSelected, setSelectedTab + */ + Tab* getSelectedTab(); + + + // Inherited from Widget + + virtual void draw(Graphics *graphics); + + virtual void logic(); + + void setWidth(int width); + + void setHeight(int height); + + void setSize(int width, int height); + + void setDimension(const Rectangle& dimension); + + + // Inherited from ActionListener + + void action(const ActionEvent& actionEvent); + + + // Inherited from DeathListener + + virtual void death(const Event& event); + + + // Inherited from KeyListener + + virtual void keyPressed(KeyEvent& keyEvent); + + + // Inherited from MouseListener + + virtual void mousePressed(MouseEvent& mouseEvent); + + + protected: + /** + * Adjusts the size of the tab container and the widget container. + */ + void adjustSize(); + + /** + * Adjusts the positions of the tabs. + */ + void adjustTabPositions(); + + /** + * Holds the selected tab. + */ + Tab* mSelectedTab; + + /** + * Holds the container for the tabs. + */ + Container* mTabContainer; + + /** + * Holds the container for the widgets. + */ + Container* mWidgetContainer; + + /** + * Holds a vector of tabs to delete in the destructor. + * A tab that is to be deleted is a tab that has been + * internally created by the tabbed area. + */ + std::vector<Tab*> mTabsToDelete; + + /** + * A map between a tab and a widget to display when the + * tab is selected. + */ + std::vector<std::pair<Tab*, Widget*> > mTabs; + + /** + * True if the tabbed area is opaque, false otherwise. + */ + bool mOpaque; + }; +} + +#endif // end GCN_TABBEDAREA_HPP diff --git a/src/guichan/widgets/textbox.cpp b/src/guichan/widgets/textbox.cpp new file mode 100644 index 000000000..c57296f9c --- /dev/null +++ b/src/guichan/widgets/textbox.cpp @@ -0,0 +1,517 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/textbox.hpp" + +#include "guichan/basiccontainer.hpp" +#include "guichan/font.hpp" +#include "guichan/graphics.hpp" +#include "guichan/key.hpp" +#include "guichan/mouseinput.hpp" + +namespace gcn +{ + TextBox::TextBox() + { + mCaretColumn = 0; + mCaretRow = 0; + mEditable = true; + mOpaque = true; + + setText(""); + + setFocusable(true); + + addMouseListener(this); + addKeyListener(this); + adjustSize(); + } + + TextBox::TextBox(const std::string& text) + { + mCaretColumn = 0; + mCaretRow = 0; + mEditable = true; + mOpaque = true; + + setText(text); + + setFocusable(true); + + addMouseListener(this); + addKeyListener(this); + adjustSize(); + } + + void TextBox::setText(const std::string& text) + { + mCaretColumn = 0; + mCaretRow = 0; + + mTextRows.clear(); + + std::string::size_type pos, lastPos = 0; + int length; + do + { + pos = text.find("\n", lastPos); + + if (pos != std::string::npos) + { + length = pos - lastPos; + } + else + { + length = text.size() - lastPos; + } + std::string sub = text.substr(lastPos, length); + mTextRows.push_back(sub); + lastPos = pos + 1; + + } while (pos != std::string::npos); + + adjustSize(); + } + + void TextBox::draw(Graphics* graphics) + { + unsigned int i; + + if (mOpaque) + { + graphics->setColor(getBackgroundColor()); + graphics->fillRectangle(Rectangle(0, 0, getWidth(), getHeight())); + } + + if (isFocused() && isEditable()) + { + drawCaret(graphics, getFont()->getWidth(mTextRows[mCaretRow].substr(0, mCaretColumn)), mCaretRow * getFont()->getHeight()); + } + + graphics->setColor(getForegroundColor()); + graphics->setFont(getFont()); + + for (i = 0; i < mTextRows.size(); i++) + { + // Move the text one pixel so we can have a caret before a letter. + graphics->drawText(mTextRows[i], 1, i * getFont()->getHeight()); + } + } + + void TextBox::drawCaret(Graphics* graphics, int x, int y) + { + graphics->setColor(getForegroundColor()); + graphics->drawLine(x, getFont()->getHeight() + y, x, y); + } + + void TextBox::mousePressed(MouseEvent& mouseEvent) + { + if (mouseEvent.getButton() == MouseEvent::LEFT) + { + mCaretRow = mouseEvent.getY() / getFont()->getHeight(); + + if (mCaretRow >= (int)mTextRows.size()) + { + mCaretRow = mTextRows.size() - 1; + } + + mCaretColumn = getFont()->getStringIndexAt(mTextRows[mCaretRow], mouseEvent.getX()); + } + } + + void TextBox::mouseDragged(MouseEvent& mouseEvent) + { + mouseEvent.consume(); + } + + void TextBox::keyPressed(KeyEvent& keyEvent) + { + Key key = keyEvent.getKey(); + + if (key.getValue() == Key::LEFT) + { + --mCaretColumn; + if (mCaretColumn < 0) + { + --mCaretRow; + + if (mCaretRow < 0) + { + mCaretRow = 0; + mCaretColumn = 0; + } + else + { + mCaretColumn = mTextRows[mCaretRow].size(); + } + } + } + + else if (key.getValue() == Key::RIGHT) + { + ++mCaretColumn; + if (mCaretColumn > (int)mTextRows[mCaretRow].size()) + { + ++mCaretRow; + + if (mCaretRow >= (int)mTextRows.size()) + { + mCaretRow = mTextRows.size() - 1; + if (mCaretRow < 0) + { + mCaretRow = 0; + } + + mCaretColumn = mTextRows[mCaretRow].size(); + } + else + { + mCaretColumn = 0; + } + } + } + + else if (key.getValue() == Key::DOWN) + { + setCaretRow(mCaretRow + 1); + } + + else if (key.getValue() == Key::UP) + { + setCaretRow(mCaretRow - 1); + } + + else if (key.getValue() == Key::HOME) + { + mCaretColumn = 0; + } + + else if (key.getValue() == Key::END) + { + mCaretColumn = mTextRows[mCaretRow].size(); + } + + else if (key.getValue() == Key::ENTER && mEditable) + { + mTextRows.insert(mTextRows.begin() + mCaretRow + 1, + mTextRows[mCaretRow].substr(mCaretColumn, mTextRows[mCaretRow].size() - mCaretColumn)); + mTextRows[mCaretRow].resize(mCaretColumn); + ++mCaretRow; + mCaretColumn = 0; + } + + else if (key.getValue() == Key::BACKSPACE + && mCaretColumn != 0 + && mEditable) + { + mTextRows[mCaretRow].erase(mCaretColumn - 1, 1); + --mCaretColumn; + } + + else if (key.getValue() == Key::BACKSPACE + && mCaretColumn == 0 + && mCaretRow != 0 + && mEditable) + { + mCaretColumn = mTextRows[mCaretRow - 1].size(); + mTextRows[mCaretRow - 1] += mTextRows[mCaretRow]; + mTextRows.erase(mTextRows.begin() + mCaretRow); + --mCaretRow; + } + + else if (key.getValue() == Key::DELETE + && mCaretColumn < (int)mTextRows[mCaretRow].size() + && mEditable) + { + mTextRows[mCaretRow].erase(mCaretColumn, 1); + } + + else if (key.getValue() == Key::DELETE + && mCaretColumn == (int)mTextRows[mCaretRow].size() + && mCaretRow < ((int)mTextRows.size() - 1) + && mEditable) + { + mTextRows[mCaretRow] += mTextRows[mCaretRow + 1]; + mTextRows.erase(mTextRows.begin() + mCaretRow + 1); + } + + else if(key.getValue() == Key::PAGE_UP) + { + Widget* par = getParent(); + + if (par != NULL) + { + int rowsPerPage = par->getChildrenArea().height / getFont()->getHeight(); + mCaretRow -= rowsPerPage; + + if (mCaretRow < 0) + { + mCaretRow = 0; + } + } + } + + else if(key.getValue() == Key::PAGE_DOWN) + { + Widget* par = getParent(); + + if (par != NULL) + { + int rowsPerPage = par->getChildrenArea().height / getFont()->getHeight(); + mCaretRow += rowsPerPage; + + if (mCaretRow >= (int)mTextRows.size()) + { + mCaretRow = mTextRows.size() - 1; + } + } + } + + else if(key.getValue() == Key::TAB + && mEditable) + { + mTextRows[mCaretRow].insert(mCaretColumn,std::string(" ")); + mCaretColumn += 4; + } + + else if (key.isCharacter() + && mEditable) + { + mTextRows[mCaretRow].insert(mCaretColumn,std::string(1,(char)key.getValue())); + ++mCaretColumn; + } + + adjustSize(); + scrollToCaret(); + + keyEvent.consume(); + } + + void TextBox::adjustSize() + { + unsigned int i; + int width = 0; + for (i = 0; i < mTextRows.size(); ++i) + { + int w = getFont()->getWidth(mTextRows[i]); + if (width < w) + { + width = w; + } + } + + setWidth(width + 1); + setHeight(getFont()->getHeight() * mTextRows.size()); + } + + void TextBox::setCaretPosition(unsigned int position) + { + int row; + + for (row = 0; row < (int)mTextRows.size(); row++) + { + if (position <= mTextRows[row].size()) + { + mCaretRow = row; + mCaretColumn = position; + return; // we are done + } + else + { + position--; + } + } + + // position beyond end of text + mCaretRow = mTextRows.size() - 1; + mCaretColumn = mTextRows[mCaretRow].size(); + } + + unsigned int TextBox::getCaretPosition() const + { + int pos = 0, row; + + for (row = 0; row < mCaretRow; row++) + { + pos += mTextRows[row].size(); + } + + return pos + mCaretColumn; + } + + void TextBox::setCaretRowColumn(int row, int column) + { + setCaretRow(row); + setCaretColumn(column); + } + + void TextBox::setCaretRow(int row) + { + mCaretRow = row; + + if (mCaretRow >= (int)mTextRows.size()) + { + mCaretRow = mTextRows.size() - 1; + } + + if (mCaretRow < 0) + { + mCaretRow = 0; + } + + setCaretColumn(mCaretColumn); + } + + unsigned int TextBox::getCaretRow() const + { + return mCaretRow; + } + + void TextBox::setCaretColumn(int column) + { + mCaretColumn = column; + + if (mCaretColumn > (int)mTextRows[mCaretRow].size()) + { + mCaretColumn = mTextRows[mCaretRow].size(); + } + + if (mCaretColumn < 0) + { + mCaretColumn = 0; + } + } + + unsigned int TextBox::getCaretColumn() const + { + return mCaretColumn; + } + + const std::string& TextBox::getTextRow(int row) const + { + return mTextRows[row]; + } + + void TextBox::setTextRow(int row, const std::string& text) + { + mTextRows[row] = text; + + if (mCaretRow == row) + { + setCaretColumn(mCaretColumn); + } + + adjustSize(); + } + + unsigned int TextBox::getNumberOfRows() const + { + return mTextRows.size(); + } + + std::string TextBox::getText() const + { + if (mTextRows.size() == 0) + { + return std::string(""); + } + + int i; + std::string text; + + for (i = 0; i < (int)mTextRows.size() - 1; ++i) + { + text = text + mTextRows[i] + "\n"; + } + + text = text + mTextRows[i]; + + return text; + } + + void TextBox::fontChanged() + { + adjustSize(); + } + + void TextBox::scrollToCaret() + { + Rectangle scroll; + scroll.x = getFont()->getWidth(mTextRows[mCaretRow].substr(0, mCaretColumn)); + scroll.y = getFont()->getHeight() * mCaretRow; + scroll.width = getFont()->getWidth(" "); + scroll.height = getFont()->getHeight() + 2; // add 2 for some extra space + + showPart(scroll); + } + + void TextBox::setEditable(bool editable) + { + mEditable = editable; + } + + bool TextBox::isEditable() const + { + return mEditable; + } + + void TextBox::addRow(const std::string row) + { + mTextRows.push_back(row); + adjustSize(); + } + + bool TextBox::isOpaque() + { + return mOpaque; + } + + void TextBox::setOpaque(bool opaque) + { + mOpaque = opaque; + } +} diff --git a/src/guichan/widgets/textbox.hpp b/src/guichan/widgets/textbox.hpp new file mode 100644 index 000000000..b00dcef20 --- /dev/null +++ b/src/guichan/widgets/textbox.hpp @@ -0,0 +1,289 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_TEXTBOX_HPP +#define GCN_TEXTBOX_HPP + +#include <ctime> +#include <string> +#include <vector> + +#include "guichan/keylistener.hpp" +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" +#include "guichan/widget.hpp" + +namespace gcn +{ + /** + * An implementation of a text box where a user can enter text that contains of many lines. + */ + class GCN_CORE_DECLSPEC TextBox: + public Widget, + public MouseListener, + public KeyListener + { + public: + /** + * Constructor. + */ + TextBox(); + + /** + * Constructor. + * + * @param text The default text of the text box. + */ + TextBox(const std::string& text); + + /** + * Sets the text of the text box. + * + * @param text The text of the text box. + * @see getText + */ + void setText(const std::string& text); + + /** + * Gets the text of the text box. + * + * @return The text of the text box. + * @see setText + */ + std::string getText() const; + + /** + * Gets a certain row from the text. + * + * @param row The number of the row to get from the text. + * @return A row from the text of the text box. + * @see setTextRow + */ + const std::string& getTextRow(int row) const; + + /** + * Sets the text of a certain row of the text. + * + * @param row The number of the row to set in the text. + * @param text The text to set in the given row number. + * @see getTextRow + */ + void setTextRow(int row, const std::string& text); + + /** + * Gets the number of rows in the text. + * + * @return The number of rows in the text. + */ + unsigned int getNumberOfRows() const; + + /** + * Gets the caret position in the text. + * + * @return The caret position in the text. + * @see setCaretPosition + */ + unsigned int getCaretPosition() const; + + /** + * Sets the position of the caret in the text. + * + * @param position the positon of the caret. + * @see getCaretPosition + */ + void setCaretPosition(unsigned int position); + + /** + * Gets the row number where the caret is currently located. + * + * @return The row number where the caret is currently located. + * @see setCaretRow + */ + unsigned int getCaretRow() const; + + /** + * Sets the row where the caret should be currently located. + * + * @param The row where the caret should be currently located. + * @see getCaretRow + */ + void setCaretRow(int row); + + /** + * Gets the column where the caret is currently located. + * + * @return The column where the caret is currently located. + * @see setCaretColumn + */ + unsigned int getCaretColumn() const; + + /** + * Sets the column where the caret should be currently located. + * + * @param The column where the caret should be currently located. + * @see getCaretColumn + */ + void setCaretColumn(int column); + + /** + * Sets the row and the column where the caret should be curretly + * located. + * + * @param row The row where the caret should be currently located. + * @param column The column where the caret should be currently located. + * @see getCaretRow, getCaretColumn + */ + void setCaretRowColumn(int row, int column); + + /** + * Scrolls the text to the caret if the text box is in a scroll area. + * + * @see ScrollArea + */ + virtual void scrollToCaret(); + + /** + * Checks if the text box is editable. + * + * @return True it the text box is editable, false otherwise. + * @see setEditable + */ + bool isEditable() const; + + /** + * Sets the text box to be editable or not. + * + * @param editable True if the text box should be editable, false otherwise. + */ + void setEditable(bool editable); + + /** + * Adds a row of text to the end of the text. + * + * @param row The row to add. + */ + virtual void addRow(const std::string row); + + /** + * Checks if the text box is opaque. An opaque text box will draw + * it's background and it's text. A non opaque text box only draw it's + * text making it transparent. + * + * @return True if the text box is opaque, false otherwise. + * @see setOpaque + */ + bool isOpaque(); + + /** + * Sets the text box to be opaque or not. An opaque text box will draw + * it's background and it's text. A non opaque text box only draw it's + * text making it transparent. + * + * @param opaque True if the text box should be opaque, false otherwise. + * @see isOpaque + */ + void setOpaque(bool opaque); + + + // Inherited from Widget + + virtual void draw(Graphics* graphics); + + virtual void fontChanged(); + + + // Inherited from KeyListener + + virtual void keyPressed(KeyEvent& keyEvent); + + + // Inherited from MouseListener + + virtual void mousePressed(MouseEvent& mouseEvent); + + virtual void mouseDragged(MouseEvent& mouseEvent); + + protected: + /** + * Draws the caret. Overloaded this method if you want to + * change the style of the caret. + * + * @param graphics a Graphics object to draw with. + * @param x the x position. + * @param y the y position. + */ + virtual void drawCaret(Graphics* graphics, int x, int y); + + /** + * Adjusts the text box's size to fit the text. + */ + virtual void adjustSize(); + + /** + * Holds all the rows of the text. + */ + std::vector<std::string> mTextRows; + + /** + * Holds the current column of the caret. + */ + int mCaretColumn; + + /** + * Holds the current row of the caret. + */ + int mCaretRow; + + /** + * True if the text box is editable, false otherwise. + */ + bool mEditable; + + /** + * True if the text box is editable, false otherwise. + */ + bool mOpaque; + }; +} + +#endif // end GCN_TEXTBOX_HPP diff --git a/src/guichan/widgets/textfield.cpp b/src/guichan/widgets/textfield.cpp new file mode 100644 index 000000000..e8fc9c5d6 --- /dev/null +++ b/src/guichan/widgets/textfield.cpp @@ -0,0 +1,280 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/textfield.hpp" + +#include "guichan/font.hpp" +#include "guichan/graphics.hpp" +#include "guichan/key.hpp" +#include "guichan/mouseinput.hpp" + +namespace gcn +{ + TextField::TextField() + { + mCaretPosition = 0; + mXScroll = 0; + + setFocusable(true); + + addMouseListener(this); + addKeyListener(this); + } + + TextField::TextField(const std::string& text) + { + mCaretPosition = 0; + mXScroll = 0; + + mText = text; + adjustSize(); + + setFocusable(true); + + addMouseListener(this); + addKeyListener(this); + } + + void TextField::setText(const std::string& text) + { + if(text.size() < mCaretPosition ) + { + mCaretPosition = text.size(); + } + + mText = text; + } + + void TextField::draw(Graphics* graphics) + { + Color faceColor = getBaseColor(); + Color highlightColor, shadowColor; + int alpha = getBaseColor().a; + highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + // Draw a border. + graphics->setColor(shadowColor); + graphics->drawLine(0, 0, getWidth() - 1, 0); + graphics->drawLine(0, 1, 0, getHeight() - 2); + graphics->setColor(highlightColor); + graphics->drawLine(getWidth() - 1, 1, getWidth() - 1, getHeight() - 1); + graphics->drawLine(0, getHeight() - 1, getWidth() - 1, getHeight() - 1); + + // Push a clip area so the other drawings don't need to worry + // about the border. + graphics->pushClipArea(Rectangle(1, 1, getWidth() - 2, getHeight() - 2)); + + graphics->setColor(getBackgroundColor()); + graphics->fillRectangle(Rectangle(0, 0, getWidth(), getHeight())); + + if (isFocused()) + { + graphics->setColor(getSelectionColor()); + graphics->drawRectangle(Rectangle(0, 0, getWidth() - 2, getHeight() - 2)); + graphics->drawRectangle(Rectangle(1, 1, getWidth() - 4, getHeight() - 4)); + } + + if (isFocused()) + { + drawCaret(graphics, getFont()->getWidth(mText.substr(0, mCaretPosition)) - mXScroll); + } + + graphics->setColor(getForegroundColor()); + graphics->setFont(getFont()); + graphics->drawText(mText, 3 - mXScroll, 1); + + graphics->popClipArea(); + } + + void TextField::drawCaret(Graphics* graphics, int x) + { + // Check the current clip area as a clip area with a different + // size than the widget might have been pushed (which is the + // case in the draw method when we push a clip area after we have + // drawn a border). + const Rectangle clipArea = graphics->getCurrentClipArea(); + + graphics->setColor(getForegroundColor()); + graphics->drawLine(x, clipArea.height - 2, x, 1); + } + + void TextField::mousePressed(MouseEvent& mouseEvent) + { + if (mouseEvent.getButton() == MouseEvent::LEFT) + { + mCaretPosition = getFont()->getStringIndexAt(mText, mouseEvent.getX() + mXScroll); + fixScroll(); + } + } + + void TextField::mouseDragged(MouseEvent& mouseEvent) + { + mouseEvent.consume(); + } + + void TextField::keyPressed(KeyEvent& keyEvent) + { + Key key = keyEvent.getKey(); + + if (key.getValue() == Key::LEFT && mCaretPosition > 0) + { + --mCaretPosition; + } + + else if (key.getValue() == Key::RIGHT && mCaretPosition < mText.size()) + { + ++mCaretPosition; + } + + else if (key.getValue() == Key::DELETE && mCaretPosition < mText.size()) + { + mText.erase(mCaretPosition, 1); + } + + else if (key.getValue() == Key::BACKSPACE && mCaretPosition > 0) + { + mText.erase(mCaretPosition - 1, 1); + --mCaretPosition; + } + + else if (key.getValue() == Key::ENTER) + { + distributeActionEvent(); + } + + else if (key.getValue() == Key::HOME) + { + mCaretPosition = 0; + } + + else if (key.getValue() == Key::END) + { + mCaretPosition = mText.size(); + } + + else if (key.isCharacter() + && key.getValue() != Key::TAB) + { + mText.insert(mCaretPosition, std::string(1,(char)key.getValue())); + ++mCaretPosition; + } + + if (key.getValue() != Key::TAB) + { + keyEvent.consume(); + } + + fixScroll(); + } + + void TextField::adjustSize() + { + setWidth(getFont()->getWidth(mText) + 7); + adjustHeight(); + + fixScroll(); + } + + void TextField::adjustHeight() + { + setHeight(getFont()->getHeight() + 4); + } + + void TextField::fixScroll() + { + if (isFocused()) + { + int caretX = getFont()->getWidth(mText.substr(0, mCaretPosition)); + + if (caretX - mXScroll >= getWidth() - 4) + { + mXScroll = caretX - getWidth() + 4; + } + else if (caretX - mXScroll <= 0) + { + mXScroll = caretX - getWidth() / 2; + + if (mXScroll < 0) + { + mXScroll = 0; + } + } + } + } + + void TextField::setCaretPosition(unsigned int position) + { + if (position > mText.size()) + { + mCaretPosition = mText.size(); + } + else + { + mCaretPosition = position; + } + + fixScroll(); + } + + unsigned int TextField::getCaretPosition() const + { + return mCaretPosition; + } + + const std::string& TextField::getText() const + { + return mText; + } + + void TextField::fontChanged() + { + fixScroll(); + } +} diff --git a/src/guichan/widgets/textfield.hpp b/src/guichan/widgets/textfield.hpp new file mode 100644 index 000000000..486660a8a --- /dev/null +++ b/src/guichan/widgets/textfield.hpp @@ -0,0 +1,177 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_TEXTFIELD_HPP +#define GCN_TEXTFIELD_HPP + +#include "guichan/keylistener.hpp" +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" +#include "guichan/widget.hpp" + +#include <string> + +namespace gcn +{ + /** + * An implementation of a text field where a user can enter a line of text. + */ + class GCN_CORE_DECLSPEC TextField: + public Widget, + public MouseListener, + public KeyListener + { + public: + /** + * Constructor. + */ + TextField(); + + /** + * Constructor. The text field will be automatically resized + * to fit the text. + * + * @param text The default text of the text field. + */ + TextField(const std::string& text); + + /** + * Sets the text of the text field. + * + * @param text The text of the text field. + * @see getText + */ + void setText(const std::string& text); + + /** + * Gets the text of the text field. + * + * @return The text of the text field. + * @see setText + */ + const std::string& getText() const; + + /** + * Adjusts the size of the text field to fit the text. + */ + void adjustSize(); + + /** + * Adjusts the height of the text field to fit caption. + */ + void adjustHeight(); + + /** + * Sets the caret position. As there is only one line of text + * in a text field the position is the caret's x coordinate. + * + * @param position The caret position. + * @see getCaretPosition + */ + void setCaretPosition(unsigned int position); + + /** + * Gets the caret position. As there is only one line of text + * in a text field the position is the caret's x coordinate. + * + * @return The caret position. + * @see setCaretPosition + */ + unsigned int getCaretPosition() const; + + + // Inherited from Widget + + virtual void fontChanged(); + + virtual void draw(Graphics* graphics); + + + // Inherited from MouseListener + + virtual void mousePressed(MouseEvent& mouseEvent); + + virtual void mouseDragged(MouseEvent& mouseEvent); + + + // Inherited from KeyListener + + virtual void keyPressed(KeyEvent& keyEvent); + + protected: + /** + * Draws the caret. Overloaded this method if you want to + * change the style of the caret. + * + * @param graphics the Graphics object to draw with. + * @param x the caret's x-position. + */ + virtual void drawCaret(Graphics* graphics, int x); + + /** + * Scrolls the text horizontally so that the caret shows if needed. + * The method is used any time a user types in the text field so the + * caret always will be shown. + */ + void fixScroll(); + + /** + * Holds the text of the text box. + */ + std::string mText; + + /** + * Holds the caret position. + */ + unsigned int mCaretPosition; + + /** + * Holds the amount scrolled in x. If a user types more characters than + * the text field can display, due to the text field being to small, the + * text needs to scroll in order to show the last type character. + */ + int mXScroll; + }; +} + +#endif // end GCN_TEXTFIELD_HPP diff --git a/src/guichan/widgets/window.cpp b/src/guichan/widgets/window.cpp new file mode 100644 index 000000000..2ac4d553b --- /dev/null +++ b/src/guichan/widgets/window.cpp @@ -0,0 +1,308 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/widgets/window.hpp" + +#include "guichan/exception.hpp" +#include "guichan/font.hpp" +#include "guichan/graphics.hpp" +#include "guichan/mouseinput.hpp" + +namespace gcn +{ + Window::Window() + :mMoved(false) + { + setFrameSize(1); + setPadding(2); + setTitleBarHeight(16); + setAlignment(Graphics::CENTER); + addMouseListener(this); + setMovable(true); + setOpaque(true); + } + + Window::Window(const std::string& caption) + :mMoved(false) + { + setCaption(caption); + setFrameSize(1); + setPadding(2); + setTitleBarHeight(16); + setAlignment(Graphics::CENTER); + addMouseListener(this); + setMovable(true); + setOpaque(true); + } + + Window::~Window() + { + } + + void Window::setPadding(unsigned int padding) + { + mPadding = padding; + } + + unsigned int Window::getPadding() const + { + return mPadding; + } + + void Window::setTitleBarHeight(unsigned int height) + { + mTitleBarHeight = height; + } + + unsigned int Window::getTitleBarHeight() + { + return mTitleBarHeight; + } + + void Window::setCaption(const std::string& caption) + { + mCaption = caption; + } + + const std::string& Window::getCaption() const + { + return mCaption; + } + + void Window::setAlignment(Graphics::Alignment alignment) + { + mAlignment = alignment; + } + + Graphics::Alignment Window::getAlignment() const + { + return mAlignment; + } + + void Window::draw(Graphics* graphics) + { + const Color &faceColor = getBaseColor(); + Color highlightColor, shadowColor; + const int alpha = getBaseColor().a; + highlightColor = faceColor + 0x303030; + highlightColor.a = alpha; + shadowColor = faceColor - 0x303030; + shadowColor.a = alpha; + + Rectangle d = getChildrenArea(); + + // Fill the background around the content + graphics->setColor(faceColor); + // Fill top + graphics->fillRectangle(Rectangle(0,0,getWidth(),d.y - 1)); + // Fill left + graphics->fillRectangle(Rectangle(0,d.y - 1, d.x - 1, getHeight() - d.y + 1)); + // Fill right + graphics->fillRectangle(Rectangle(d.x + d.width + 1, + d.y - 1, + getWidth() - d.x - d.width - 1, + getHeight() - d.y + 1)); + // Fill bottom + graphics->fillRectangle(Rectangle(d.x - 1, + d.y + d.height + 1, + d.width + 2, + getHeight() - d.height - d.y - 1)); + + if (isOpaque()) + { + graphics->fillRectangle(d); + } + + // Construct a rectangle one pixel bigger than the content + d.x -= 1; + d.y -= 1; + d.width += 2; + d.height += 2; + + // Draw a border around the content + graphics->setColor(shadowColor); + // Top line + graphics->drawLine(d.x, + d.y, + d.x + d.width - 2, + d.y); + + // Left line + graphics->drawLine(d.x, + d.y + 1, + d.x, + d.y + d.height - 1); + + graphics->setColor(highlightColor); + // Right line + graphics->drawLine(d.x + d.width - 1, + d.y, + d.x + d.width - 1, + d.y + d.height - 2); + // Bottom line + graphics->drawLine(d.x + 1, + d.y + d.height - 1, + d.x + d.width - 1, + d.y + d.height - 1); + + drawChildren(graphics); + + int textX; + int textY; + + textY = ((int)getTitleBarHeight() - getFont()->getHeight()) / 2; + + switch (getAlignment()) + { + case Graphics::LEFT: + textX = 4; + break; + case Graphics::CENTER: + textX = getWidth() / 2; + break; + case Graphics::RIGHT: + textX = getWidth() - 4; + break; + default: + throw GCN_EXCEPTION("Unknown alignment."); + } + + graphics->setColor(getForegroundColor()); + graphics->setFont(getFont()); + graphics->pushClipArea(Rectangle(0, 0, getWidth(), getTitleBarHeight() - 1)); + graphics->drawText(getCaption(), textX, textY, getAlignment()); + graphics->popClipArea(); + } + + void Window::mousePressed(MouseEvent& mouseEvent) + { + if (mouseEvent.getSource() != this) + { + return; + } + + if (getParent() != NULL) + { + getParent()->moveToTop(this); + } + + mDragOffsetX = mouseEvent.getX(); + mDragOffsetY = mouseEvent.getY(); + + mMoved = mouseEvent.getY() <= (int)mTitleBarHeight; + } + + void Window::mouseReleased(MouseEvent& mouseEvent) + { + mMoved = false; + } + + void Window::mouseDragged(MouseEvent& mouseEvent) + { + if (mouseEvent.isConsumed() || mouseEvent.getSource() != this) + { + return; + } + + if (isMovable() && mMoved) + { + setPosition(mouseEvent.getX() - mDragOffsetX + getX(), + mouseEvent.getY() - mDragOffsetY + getY()); + } + + mouseEvent.consume(); + } + + Rectangle Window::getChildrenArea() + { + return Rectangle(getPadding(), + getTitleBarHeight(), + getWidth() - getPadding() * 2, + getHeight() - getPadding() - getTitleBarHeight()); + } + + void Window::setMovable(bool movable) + { + mMovable = movable; + } + + bool Window::isMovable() const + { + return mMovable; + } + + void Window::setOpaque(bool opaque) + { + mOpaque = opaque; + } + + bool Window::isOpaque() + { + return mOpaque; + } + + void Window::resizeToContent() + { + WidgetListIterator it; + + int w = 0, h = 0; + for (it = mWidgets.begin(); it != mWidgets.end(); it++) + { + if ((*it)->getX() + (*it)->getWidth() > w) + { + w = (*it)->getX() + (*it)->getWidth(); + } + + if ((*it)->getY() + (*it)->getHeight() > h) + { + h = (*it)->getY() + (*it)->getHeight(); + } + } + + setSize(w + 2* getPadding(), h + getPadding() + getTitleBarHeight()); + } +} diff --git a/src/guichan/widgets/window.hpp b/src/guichan/widgets/window.hpp new file mode 100644 index 000000000..373efd164 --- /dev/null +++ b/src/guichan/widgets/window.hpp @@ -0,0 +1,255 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GCN_WINDOW_HPP +#define GCN_WINDOW_HPP + +#include <string> + +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" +#include "guichan/widgets/container.hpp" + +namespace gcn +{ + /** + * An implementation of a movable window that can contain other widgets. + */ + class GCN_CORE_DECLSPEC Window : public Container, + public MouseListener + { + public: + /** + * Constructor. + */ + Window(); + + /** + * Constructor. The window will be automatically resized in height + * to fit the caption. + * + * @param caption the caption of the window. + */ + Window(const std::string& caption); + + /** + * Destructor. + */ + virtual ~Window(); + + /** + * Sets the caption of the window. + * + * @param caption The caption of the window. + * @see getCaption + */ + void setCaption(const std::string& caption); + + /** + * Gets the caption of the window. + * + * @return the caption of the window. + * @see setCaption + */ + const std::string& getCaption() const; + + /** + * Sets the alignment of the caption. + * + * @param alignment The alignment of the caption. + * @see getAlignment, Graphics + */ + void setAlignment(Graphics::Alignment alignment); + + /** + * Gets the alignment of the caption. + * + * @return The alignment of caption. + * @see setAlignment, Graphics + */ + Graphics::Alignment getAlignment() const; + + /** + * Sets the padding of the window. The padding is the distance between the + * window border and the content. + * + * @param padding The padding of the window. + * @see getPadding + */ + void setPadding(unsigned int padding); + + /** + * Gets the padding of the window. The padding is the distance between the + * window border and the content. + * + * @return The padding of the window. + * @see setPadding + */ + unsigned int getPadding() const; + + /** + * Sets the title bar height. + * + * @param height The title height value. + * @see getTitleBarHeight + */ + void setTitleBarHeight(unsigned int height); + + /** + * Gets the title bar height. + * + * @return The title bar height. + * @see setTitleBarHeight + */ + unsigned int getTitleBarHeight(); + + /** + * Sets the window to be moveble or not. + * + * @param movable True if the window should be movable, false otherwise. + * @see isMovable + */ + void setMovable(bool movable); + + /** + * Checks if the window is movable. + * + * @return True if the window is movable, false otherwise. + * @see setMovable + */ + bool isMovable() const; + + /** + * Sets the window to be opaque or not. An opaque window will draw it's background + * and it's content. A non opaque window will only draw it's content. + * + * @param opaque True if the window should be opaque, false otherwise. + * @see isOpaque + */ + void setOpaque(bool opaque); + + /** + * Checks if the window is opaque. + * + * @return True if the window is opaque, false otherwise. + * @see setOpaque + */ + bool isOpaque(); + + /** + * Resizes the window to fit the content. + */ + virtual void resizeToContent(); + + + // Inherited from BasicContainer + + virtual Rectangle getChildrenArea(); + + + // Inherited from Widget + + virtual void draw(Graphics* graphics); + + + // Inherited from MouseListener + + virtual void mousePressed(MouseEvent& mouseEvent); + + virtual void mouseDragged(MouseEvent& mouseEvent); + + virtual void mouseReleased(MouseEvent& mouseEvent); + + protected: + /** + * Holds the caption of the window. + */ + std::string mCaption; + + /** + * Holds the alignment of the caption. + */ + Graphics::Alignment mAlignment; + + /** + * Holds the padding of the window. + */ + unsigned int mPadding; + + /** + * Holds the title bar height of the window. + */ + unsigned int mTitleBarHeight; + + /** + * True if the window is movable, false otherwise. + */ + bool mMovable; + + /** + * True if the window is opaque, false otherwise. + */ + bool mOpaque; + + /** + * Holds a drag offset as an x coordinate where the drag of the window + * started if the window is being dragged. It's used to move the window + * correctly when dragged. + */ + int mDragOffsetX; + + /** + * Holds a drag offset as an y coordinate where the drag of the window + * started if the window is being dragged. It's used to move the window + * correctly when dragged. + */ + int mDragOffsetY; + + /** + * True if the window is being moved, false otherwise. + */ + bool mMoved; + }; +} + +#endif // end GCN_WINDOW_HPP |