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Diffstat (limited to 'src/gui/base/widget.cpp')
| -rw-r--r-- | src/gui/base/widget.cpp | 695 |
1 files changed, 695 insertions, 0 deletions
diff --git a/src/gui/base/widget.cpp b/src/gui/base/widget.cpp new file mode 100644 index 000000000..2e8719446 --- /dev/null +++ b/src/gui/base/widget.cpp @@ -0,0 +1,695 @@ +/* + * The ManaPlus Client + * Copyright (C) 2011-2014 The ManaPlus Developers + * + * This file is part of The ManaPlus Client. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * 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 "gui/base/widget.hpp" + +#include "gui/base/actionevent.hpp" +#include "gui/base/actionlistener.hpp" +#include "gui/base/basiccontainer.hpp" +#include "gui/base/deathlistener.hpp" +#include "gui/base/event.hpp" +#include "gui/base/exception.hpp" +#include "gui/base/focushandler.hpp" +#include "gui/base/graphics.hpp" +#include "gui/base/keyinput.hpp" +#include "gui/base/keylistener.hpp" +#include "gui/base/mouseinput.hpp" +#include "gui/base/mouselistener.hpp" +#include "gui/base/widgetlistener.hpp" + +#include "debug.h" + +namespace gcn +{ + Font* Widget::mGlobalFont = nullptr; + std::list<Widget*> Widget::mWidgets; + std::set<Widget*> Widget::mWidgetsSet; + + Widget::Widget() : + mMouseListeners(), + mKeyListeners(), + mActionListeners(), + mDeathListeners(), + mFocusListeners(), + mWidgetListeners(), + mForegroundColor(0x000000), + mBackgroundColor(0xffffff), + mBaseColor(0x808090), + mSelectionColor(0xc3d9ff), + mFocusHandler(nullptr), + mInternalFocusHandler(nullptr), + mParent(nullptr), + mDimension(), + mFrameSize(0), + mActionEventId(), + mFocusable(false), + mVisible(true), + mTabIn(true), + mTabOut(true), + mEnabled(true), + mId(), + mCurrentFont(nullptr) + { + mWidgets.push_back(this); + mWidgetsSet.insert(this); + } + + Widget::~Widget() + { + for (DeathListenerIterator iter = mDeathListeners.begin(); + iter != mDeathListeners.end(); + ++iter) + { + Event event(this); + (*iter)->death(event); + } + + _setFocusHandler(nullptr); + + mWidgets.remove(this); + mWidgetsSet.erase(this); + } + + void Widget::drawFrame(Graphics* graphics) + { + BLOCK_START("Widget::drawFrame") + const Color &faceColor = getBaseColor(); + Color highlightColor = faceColor + Color(0x303030); + Color shadowColor = faceColor - Color(0x303030); + const int alpha = getBaseColor().a; + const int width = getWidth() + getFrameSize() * 2 - 1; + const int height = getHeight() + getFrameSize() * 2 - 1; + highlightColor.a = alpha; + shadowColor.a = alpha; + + for (unsigned int i = 0; i < getFrameSize(); ++i) + { + graphics->setColor(shadowColor); + graphics->drawLine(i, i, width - i, i); + graphics->drawLine(i, i + 1, i, height - i - 1); + graphics->setColor(highlightColor); + graphics->drawLine(width - i, i + 1, width - i, height - i); + graphics->drawLine(i, height - i, width - i - 1, height - i); + } + BLOCK_END("Widget::drawFrame") + } + + void Widget::_setParent(Widget* parent) + { + mParent = parent; + } + + void Widget::setWidth(int width) + { + Rectangle newDimension = mDimension; + newDimension.width = width; + + setDimension(newDimension); + } + + void Widget::setHeight(int height) + { + Rectangle newDimension = mDimension; + newDimension.height = height; + + setDimension(newDimension); + } + + void Widget::setX(int x) + { + Rectangle newDimension = mDimension; + newDimension.x = x; + + setDimension(newDimension); + } + + void Widget::setY(int y) + { + Rectangle newDimension = mDimension; + newDimension.y = y; + + setDimension(newDimension); + } + + void Widget::setPosition(int x, int y) + { + Rectangle newDimension = mDimension; + newDimension.x = x; + newDimension.y = y; + + setDimension(newDimension); + } + + void Widget::setDimension(const Rectangle& dimension) + { + const Rectangle oldDimension = mDimension; + mDimension = dimension; + + if (mDimension.width != oldDimension.width + || mDimension.height != oldDimension.height) + { + distributeResizedEvent(); + } + + if (mDimension.x != oldDimension.x + || mDimension.y != oldDimension.y) + { + distributeMovedEvent(); + } + } + + void Widget::setFrameSize(unsigned int frameSize) + { + mFrameSize = frameSize; + } + + unsigned int Widget::getFrameSize() const + { + return mFrameSize; + } + + const Rectangle& Widget::getDimension() const + { + return mDimension; + } + + const std::string& Widget::getActionEventId() const + { + return mActionEventId; + } + + void Widget::setActionEventId(const std::string& actionEventId) + { + mActionEventId = actionEventId; + } + + bool Widget::isFocused() const + { + if (!mFocusHandler) + return false; + + return (mFocusHandler->isFocused(this)); + } + + void Widget::setFocusable(bool focusable) + { + if (!focusable && isFocused()) + { + mFocusHandler->focusNone(); + } + + mFocusable = focusable; + } + + bool Widget::isFocusable() const + { + return mFocusable && isVisible() && isEnabled(); + } + + void Widget::requestFocus() + { + if (!mFocusHandler) + { + throw GCN_EXCEPTION("No focushandler set (did you add " + "the widget to the gui?)."); + } + + if (isFocusable()) + mFocusHandler->requestFocus(this); + } + + void Widget::requestMoveToTop() + { + if (mParent) + mParent->moveToTop(this); + } + + void Widget::requestMoveToBottom() + { + if (mParent) + mParent->moveToBottom(this); + } + + void Widget::setVisible(bool visible) + { + if (!visible && isFocused()) + mFocusHandler->focusNone(); + + if (visible) + distributeShownEvent(); + else + distributeHiddenEvent(); + + mVisible = visible; + } + + void Widget::setBaseColor(const Color& color) + { + mBaseColor = color; + } + + const Color& Widget::getBaseColor() const + { + return mBaseColor; + } + + void Widget::setForegroundColor(const Color& color) + { + mForegroundColor = color; + } + + const Color& Widget::getForegroundColor() const + { + return mForegroundColor; + } + + void Widget::setBackgroundColor(const Color& color) + { + mBackgroundColor = color; + } + + const Color& Widget::getBackgroundColor() const + { + return mBackgroundColor; + } + + void Widget::setSelectionColor(const Color& color) + { + mSelectionColor = color; + } + + const Color& Widget::getSelectionColor() const + { + return mSelectionColor; + } + + void Widget::_setFocusHandler(FocusHandler* focusHandler) + { + if (mFocusHandler) + { + releaseModalFocus(); + mFocusHandler->remove(this); + } + + if (focusHandler) + focusHandler->add(this); + + mFocusHandler = focusHandler; + } + + FocusHandler* Widget::_getFocusHandler() + { + return mFocusHandler; + } + + void Widget::addActionListener(ActionListener* actionListener) + { + mActionListeners.push_back(actionListener); + } + + void Widget::removeActionListener(ActionListener* actionListener) + { + mActionListeners.remove(actionListener); + } + + void Widget::addDeathListener(DeathListener* deathListener) + { + mDeathListeners.push_back(deathListener); + } + + void Widget::removeDeathListener(DeathListener* deathListener) + { + mDeathListeners.remove(deathListener); + } + + void Widget::addKeyListener(KeyListener* keyListener) + { + mKeyListeners.push_back(keyListener); + } + + void Widget::removeKeyListener(KeyListener* keyListener) + { + mKeyListeners.remove(keyListener); + } + + void Widget::addFocusListener(FocusListener* focusListener) + { + mFocusListeners.push_back(focusListener); + } + + void Widget::removeFocusListener(FocusListener* focusListener) + { + mFocusListeners.remove(focusListener); + } + + void Widget::addMouseListener(MouseListener* mouseListener) + { + mMouseListeners.push_back(mouseListener); + } + + void Widget::removeMouseListener(MouseListener* mouseListener) + { + mMouseListeners.remove(mouseListener); + } + + void Widget::addWidgetListener(WidgetListener* widgetListener) + { + mWidgetListeners.push_back(widgetListener); + } + + void Widget::removeWidgetListener(WidgetListener* widgetListener) + { + mWidgetListeners.remove(widgetListener); + } + + void Widget::getAbsolutePosition(int& x, int& y) const + { + if (!mParent) + { + x = mDimension.x; + y = mDimension.y; + return; + } + + int parentX; + int parentY; + + mParent->getAbsolutePosition(parentX, parentY); + + const Rectangle &rect = mParent->getChildrenArea(); + x = parentX + mDimension.x + rect.x; + y = parentY + mDimension.y + rect.y; + } + + Font* Widget::getFont() const + { + if (!mCurrentFont) + return mGlobalFont; + return mCurrentFont; + } + + void Widget::setGlobalFont(Font* font) + { + mGlobalFont = font; + + for (std::list<Widget*>::const_iterator iter = mWidgets.begin(); + iter != mWidgets.end(); ++iter) + { + if (!(*iter)->mCurrentFont) + (*iter)->fontChanged(); + } + } + + void Widget::setFont(Font* font) + { + mCurrentFont = font; + fontChanged(); + } + + bool Widget::widgetExists(const Widget* widget) + { + return mWidgetsSet.find(const_cast<Widget*>(widget)) + != mWidgetsSet.end(); + } + + bool Widget::isTabInEnabled() const + { + return mTabIn; + } + + void Widget::setTabInEnabled(bool enabled) + { + mTabIn = enabled; + } + + bool Widget::isTabOutEnabled() const + { + return mTabOut; + } + + void Widget::setTabOutEnabled(bool enabled) + { + mTabOut = enabled; + } + + void Widget::setSize(int width, int height) + { + Rectangle newDimension = mDimension; + newDimension.width = width; + newDimension.height = height; + + setDimension(newDimension); + } + + void Widget::setEnabled(bool enabled) + { + mEnabled = enabled; + } + + bool Widget::isEnabled() const + { + return mEnabled && isVisible(); + } + + void Widget::requestModalFocus() + { + if (!mFocusHandler) + { + throw GCN_EXCEPTION("No focushandler set (did you add " + "the widget to the gui?)."); + } + + mFocusHandler->requestModalFocus(this); + } + + void Widget::requestModalMouseInputFocus() + { + if (!mFocusHandler) + { + throw GCN_EXCEPTION("No focushandler set (did you add " + "the widget to the gui?)."); + } + + mFocusHandler->requestModalMouseInputFocus(this); + } + + void Widget::releaseModalFocus() + { + if (!mFocusHandler) + return; + + mFocusHandler->releaseModalFocus(this); + } + + void Widget::releaseModalMouseInputFocus() + { + if (!mFocusHandler) + return; + + mFocusHandler->releaseModalMouseInputFocus(this); + } + + bool Widget::isModalFocused() const + { + if (!mFocusHandler) + { + throw GCN_EXCEPTION("No focushandler set (did you add " + "the widget to the gui?)."); + } + + if (mParent) + { + return (mFocusHandler->getModalFocused() == this) + || mParent->isModalFocused(); + } + + return mFocusHandler->getModalFocused() == this; + } + + bool Widget::isModalMouseInputFocused() const + { + if (!mFocusHandler) + { + throw GCN_EXCEPTION("No focushandler set (did you add " + "the widget to the gui?)."); + } + + if (mParent) + { + return (mFocusHandler->getModalMouseInputFocused() == this) + || mParent->isModalMouseInputFocused(); + } + + return mFocusHandler->getModalMouseInputFocused() == this; + } + + Widget *Widget::getWidgetAt(int x A_UNUSED, int y A_UNUSED) + { + return nullptr; + } + + const std::list<MouseListener*>& Widget::_getMouseListeners() + { + return mMouseListeners; + } + + const std::list<KeyListener*>& Widget::_getKeyListeners() + { + return mKeyListeners; + } + + const std::list<FocusListener*>& Widget::_getFocusListeners() + { + return mFocusListeners; + } + + Rectangle Widget::getChildrenArea() + { + return Rectangle(0, 0, 0, 0); + } + + FocusHandler* Widget::_getInternalFocusHandler() + { + return mInternalFocusHandler; + } + + void Widget::setInternalFocusHandler(FocusHandler* focusHandler) + { + mInternalFocusHandler = focusHandler; + } + + void Widget::setId(const std::string& id) + { + mId = id; + } + + const std::string& Widget::getId() + { + return mId; + } + + void Widget::distributeResizedEvent() + { + for (WidgetListenerIterator iter = mWidgetListeners.begin(); + iter != mWidgetListeners.end(); + ++ iter) + { + Event event(this); + (*iter)->widgetResized(event); + } + } + + void Widget::distributeMovedEvent() + { + for (WidgetListenerIterator iter = mWidgetListeners.begin(); + iter != mWidgetListeners.end(); + ++ iter) + { + Event event(this); + (*iter)->widgetMoved(event); + } + } + + void Widget::distributeHiddenEvent() + { + for (WidgetListenerIterator iter = mWidgetListeners.begin(); + iter != mWidgetListeners.end(); + ++ iter) + { + Event event(this); + (*iter)->widgetHidden(event); + } + } + + void Widget::distributeActionEvent() + { + for (ActionListenerIterator iter = mActionListeners.begin(); + iter != mActionListeners.end(); + ++iter) + { + ActionEvent actionEvent(this, mActionEventId); + (*iter)->action(actionEvent); + } + } + + void Widget::distributeShownEvent() + { + for (WidgetListenerIterator iter = mWidgetListeners.begin(); + iter != mWidgetListeners.end(); + ++iter) + { + Event event(this); + (*iter)->widgetShown(event); + } + } + + void Widget::showPart(Rectangle rectangle) + { + if (mParent) + mParent->showWidgetPart(this, rectangle); + } +} // namespace gcn |