Move Widget into gui/widgets directory.

1 files changed, 676 insertions, 0 deletions

diff --git a/src/gui/widgets/widget.cpp b/src/gui/widgets/widget.cpp
new file mode 100644
index 000000000..f93107bc5
--- /dev/null
+++ b/src/gui/widgets/widget.cpp
@@ -0,0 +1,676 @@
+/*
+ *  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/widgets/widget.h"
+
+#include "events/actionevent.h"
+
+#include "events/event.h"
+
+#include "gui/focushandler.h"
+
+#include "listeners/actionlistener.h"
+#include "listeners/deathlistener.h"
+#include "listeners/widgetlistener.h"
+
+#include "render/graphics.h"
+
+#include "debug.h"
+
+Font* Widget::mGlobalFont = nullptr;
+std::list<Widget*> Widget::mWidgets;
+std::set<Widget*> Widget::mWidgetsSet;
+
+Widget::Widget(const Widget2 *const widget) :
+    Widget2(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)
+        return;
+
+    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)
+        return;
+
+    mFocusHandler->requestModalFocus(this);
+}
+
+void Widget::requestModalMouseInputFocus()
+{
+    if (!mFocusHandler)
+        return;
+
+    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)
+        return false;
+
+    if (mParent)
+    {
+        return (mFocusHandler->getModalFocused() == this)
+            || mParent->isModalFocused();
+    }
+
+    return mFocusHandler->getModalFocused() == this;
+}
+
+bool Widget::isModalMouseInputFocused() const
+{
+    if (!mFocusHandler)
+        return false;
+
+    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);
+}