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+/*
+ * 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
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