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Diffstat (limited to 'src/gui/base/basiccontainer.cpp')
| -rw-r--r-- | src/gui/base/basiccontainer.cpp | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/src/gui/base/basiccontainer.cpp b/src/gui/base/basiccontainer.cpp new file mode 100644 index 000000000..45bb1e231 --- /dev/null +++ b/src/gui/base/basiccontainer.cpp @@ -0,0 +1,394 @@ +/* + * 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/basiccontainer.hpp" + +#include <algorithm> + +#include "gui/base/exception.hpp" +#include "gui/base/focushandler.hpp" +#include "gui/base/graphics.hpp" +#include "gui/base/mouseinput.hpp" + +#include "debug.h" + +namespace gcn +{ + BasicContainer::~BasicContainer() + { + clear(); + } + + void BasicContainer::moveToTop(Widget* widget) + { + for (WidgetListIterator iter = mWidgets.begin(); + iter != mWidgets.end(); ++ iter) + { + if (*iter == widget) + { + mWidgets.erase(iter); + mWidgets.push_back(widget); + return; + } + } + + throw GCN_EXCEPTION("There is no such widget in this container."); + } + + void BasicContainer::moveToBottom(Widget* widget) + { + WidgetListIterator iter; + iter = std::find(mWidgets.begin(), mWidgets.end(), widget); + + if (iter == mWidgets.end()) + throw GCN_EXCEPTION("There is no such widget in this container."); + + mWidgets.erase(iter); + mWidgets.insert(mWidgets.begin(), widget); +// mWidgets.push_front(widget); + } + + void BasicContainer::death(const Event& event) + { + WidgetListIterator iter; + iter = std::find(mWidgets.begin(), mWidgets.end(), event.getSource()); + + if (iter == mWidgets.end()) + throw GCN_EXCEPTION("There is no such widget in this container."); + + mWidgets.erase(iter); + } + + Rectangle BasicContainer::getChildrenArea() + { + return Rectangle(0, 0, getWidth(), getHeight()); + } + + void BasicContainer::focusNext() + { + WidgetListConstIterator it; + + for (it = mWidgets.begin(); it != mWidgets.end(); ++ it) + { + if ((*it)->isFocused()) + break; + } + + WidgetListConstIterator end = it; + + if (it == mWidgets.end()) + it = mWidgets.begin(); + + ++ it; + + for ( ; it != end; ++ it) + { + if (it == mWidgets.end()) + it = mWidgets.begin(); + + if ((*it)->isFocusable()) + { + (*it)->requestFocus(); + return; + } + } + } + + void BasicContainer::focusPrevious() + { + WidgetListReverseIterator it; + + for (it = mWidgets.rbegin(); it != mWidgets.rend(); ++ it) + { + if ((*it)->isFocused()) + break; + } + + const WidgetListReverseIterator end = it; + + ++ it; + + if (it == mWidgets.rend()) + it = mWidgets.rbegin(); + + for ( ; it != end; ++ it) + { + if (it == mWidgets.rend()) + it = mWidgets.rbegin(); + + if ((*it)->isFocusable()) + { + (*it)->requestFocus(); + return; + } + } + } + + Widget *BasicContainer::getWidgetAt(int x, int y) + { + const Rectangle r = getChildrenArea(); + + if (!r.isPointInRect(x, y)) + return nullptr; + + x -= r.x; + y -= r.y; + + for (WidgetListReverseIterator it = mWidgets.rbegin(); + it != mWidgets.rend(); ++ it) + { + if ((*it)->isVisible() && (*it)->getDimension() + .isPointInRect(x, y)) + { + return (*it); + } + } + + return nullptr; + } + + void BasicContainer::logic() + { + BLOCK_START("BasicContainer::logic") + logicChildren(); + BLOCK_END("BasicContainer::logic") + } + + void BasicContainer::_setFocusHandler(FocusHandler* focusHandler) + { + Widget::_setFocusHandler(focusHandler); + + if (mInternalFocusHandler) + return; + + for (WidgetListConstIterator iter = mWidgets.begin(); + iter != mWidgets.end(); ++ iter) + { + (*iter)->_setFocusHandler(focusHandler); + } + } + + void BasicContainer::add(Widget* widget) + { + mWidgets.push_back(widget); + + if (!mInternalFocusHandler) + widget->_setFocusHandler(_getFocusHandler()); + else + widget->_setFocusHandler(mInternalFocusHandler); + + widget->_setParent(this); + widget->addDeathListener(this); + } + + void BasicContainer::remove(Widget* widget) + { + for (WidgetListIterator iter = mWidgets.begin(); + iter != mWidgets.end(); ++ iter) + { + if (*iter == widget) + { + mWidgets.erase(iter); + widget->_setFocusHandler(nullptr); + widget->_setParent(nullptr); + widget->removeDeathListener(this); + return; + } + } + + throw GCN_EXCEPTION("There is no such widget in this container."); + } + + void BasicContainer::clear() + { + for (WidgetListConstIterator iter = mWidgets.begin(); + iter != mWidgets.end(); ++ iter) + { + (*iter)->_setFocusHandler(nullptr); + (*iter)->_setParent(nullptr); + (*iter)->removeDeathListener(this); + } + + mWidgets.clear(); + } + + void BasicContainer::drawChildren(Graphics* graphics) + { + BLOCK_START("BasicContainer::drawChildren") + + graphics->pushClipArea(getChildrenArea()); + + for (WidgetListConstIterator iter = mWidgets.begin(); + iter != mWidgets.end(); ++ iter) + { + Widget *const widget = *iter; + if (widget->isVisible()) + { + // If the widget has a frame, + // draw it before drawing the widget + if (widget->getFrameSize() > 0) + { + Rectangle rec = widget->getDimension(); + const int frame = widget->getFrameSize(); + const int frame2 = frame * 2; + rec.x -= frame; + rec.y -= frame; + rec.width += frame2; + rec.height += frame2; + graphics->pushClipArea(rec); + BLOCK_START("BasicContainer::drawChildren 1") + widget->drawFrame(graphics); + BLOCK_END("BasicContainer::drawChildren 1") + graphics->popClipArea(); + } + + graphics->pushClipArea(widget->getDimension()); + BLOCK_START("BasicContainer::drawChildren 2") + widget->draw(graphics); + BLOCK_END("BasicContainer::drawChildren 2") + graphics->popClipArea(); + } + } + + graphics->popClipArea(); + BLOCK_END("BasicContainer::drawChildren") + } + + void BasicContainer::logicChildren() + { + BLOCK_START("BasicContainer::logicChildren") + for (WidgetListConstIterator iter = mWidgets.begin(); + iter != mWidgets.end(); ++ iter) + { + (*iter)->logic(); + } + BLOCK_END("BasicContainer::logicChildren") + } + + void BasicContainer::showWidgetPart(Widget* widget, Rectangle area) + { + const Rectangle widgetArea = getChildrenArea(); + + area.x += widget->getX(); + area.y += widget->getY(); + + if (area.x + area.width > widgetArea.width) + { + widget->setX(widget->getX() - area.x + - area.width + widgetArea.width); + } + + if (area.y + area.height > widgetArea.height) + { + widget->setY(widget->getY() - area.y + - area.height + widgetArea.height); + } + + if (area.x < 0) + widget->setX(widget->getX() - area.x); + + if (area.y < 0) + widget->setY(widget->getY() - area.y); + } + + void BasicContainer::setInternalFocusHandler(FocusHandler* focusHandler) + { + Widget::setInternalFocusHandler(focusHandler); + + for (WidgetListConstIterator iter = mWidgets.begin(); + iter != mWidgets.end(); ++ iter) + { + if (!mInternalFocusHandler) + (*iter)->_setFocusHandler(_getFocusHandler()); + else + (*iter)->_setFocusHandler(mInternalFocusHandler); + } + } + + Widget* BasicContainer::findWidgetById(const std::string& id) + { + for (WidgetListConstIterator iter = mWidgets.begin(); + iter != mWidgets.end(); ++ iter) + { + if ((*iter)->getId() == id) + return (*iter); + + BasicContainer *const basicContainer + = dynamic_cast<BasicContainer *const>(*iter); + + if (basicContainer) + { + Widget *const widget = basicContainer->findWidgetById(id); + + if (widget) + return widget; + } + } + + return nullptr; + } +} // namespace gcn |