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authorAndrei Karas <akaras@inbox.ru>2011-05-30 20:09:31 +0300
committerAndrei Karas <akaras@inbox.ru>2011-05-30 20:09:31 +0300
commitfc7928bab206892653a5a7279b384f2bcd323ea4 (patch)
treef1373ab222c03dd2372a4d16d67ee1f1e348d55b /src/guichan/widgets/button.cpp
parentd548e9bc6c987a4834ce3d65b33108f55e0f7a2c (diff)
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Add guichan files to automake
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+/* _______ __ __ __ ______ __ __ _______ __ __
+ * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
+ * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
+ * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * 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;
+ }
+}