Move basiccontainer into gui/widgets.

1 files changed, 377 insertions, 0 deletions

diff --git a/src/gui/widgets/basiccontainer.cpp b/src/gui/widgets/basiccontainer.cpp
new file mode 100644
index 000000000..48ab683be
--- /dev/null
+++ b/src/gui/widgets/basiccontainer.cpp
@@ -0,0 +1,377 @@
+/*
+ *  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.
+ */
+
+#include "gui/widgets/basiccontainer.h"
+
+#include <algorithm>
+
+#include "debug.h"
+
+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;
+        }
+    }
+}
+
+void BasicContainer::moveToBottom(Widget* widget)
+{
+    WidgetListIterator iter;
+    iter = std::find(mWidgets.begin(), mWidgets.end(), widget);
+
+    if (iter == mWidgets.end())
+        return;
+
+    mWidgets.erase(iter);
+    mWidgets.insert(mWidgets.begin(), widget);
+}
+
+void BasicContainer::death(const Event& event)
+{
+    WidgetListIterator iter;
+    iter = std::find(mWidgets.begin(), mWidgets.end(), event.getSource());
+
+    if (iter == mWidgets.end())
+        return;
+
+    mWidgets.erase(iter);
+}
+
+Rect BasicContainer::getChildrenArea()
+{
+    return Rect(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 Rect 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;
+        }
+    }
+}
+
+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)
+            {
+                Rect 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, Rect area)
+{
+    const Rect 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;
+}