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Diffstat (limited to 'src/guichan/widgets/dropdown.cpp')
| -rw-r--r-- | src/guichan/widgets/dropdown.cpp | 574 |
1 files changed, 0 insertions, 574 deletions
diff --git a/src/guichan/widgets/dropdown.cpp b/src/guichan/widgets/dropdown.cpp deleted file mode 100644 index 7af01e703..000000000 --- a/src/guichan/widgets/dropdown.cpp +++ /dev/null @@ -1,574 +0,0 @@ -/* _______ __ __ __ ______ __ __ _______ __ __ - * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ - * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / - * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / - * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / - * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / - * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ - * - * 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" - -#include "debug.h" - -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; - mScrollArea = 0; - } - - if (mInternalListBox) - { - delete mListBox; - mListBox = 0; - } - - 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 A_UNUSED) - { - foldUp(); - mInternalFocusHandler.focusNone(); - } - - - void DropDown::death(const Event& event) - { - if (event.getSource() == mScrollArea) - mScrollArea = NULL; - - BasicContainer::death(event); - } - - void DropDown::action(const ActionEvent& actionEvent A_UNUSED) - { - 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 A_UNUSED) - { - distributeValueChangedEvent(); - } - - void DropDown::addSelectionListener(SelectionListener* selectionListener) - { - mSelectionListeners.push_back(selectionListener); - } - - void DropDown::removeSelectionListener(SelectionListener* listener) - { - mSelectionListeners.remove(listener); - } - - void DropDown::distributeValueChangedEvent() - { - SelectionListenerIterator iter; - - for (iter = mSelectionListeners.begin(); - iter != mSelectionListeners.end(); - ++iter) - { - SelectionEvent event(this); - (*iter)->valueChanged(event); - } - } -} - |