Added a new Popup class, which overall is functionally similar to the

Window class, but stripped down to the bare essential functionality to
just draw and position them. This means no resizing, no close buttons,
no ability to move them, etc. This should help reduce the overhead in
drawing speech bubbles, as well as other popup type dialogs, but is also
not a drop in replacement for the Window class as well.

Signed-off-by: Ira Rice <irarice@gmail.com>

16 files changed, 471 insertions, 84 deletions

diff --git a/src/gui/itempopup.cpp b/src/gui/itempopup.cpp
index 0f7e2d11..ebbc6af3 100644
--- a/src/gui/itempopup.cpp
+++ b/src/gui/itempopup.cpp
@@ -29,9 +29,8 @@
 #include "itempopup.h"
 #include "scrollarea.h"
 #include "textbox.h"
-#include "windowcontainer.h"
 
-#include "widgets/layout.h"
+#include "../graphics.h"
 
 #include "../resources/iteminfo.h"
 
@@ -39,12 +38,8 @@
 #include "../utils/stringutils.h"
 
 ItemPopup::ItemPopup():
-    Window()
+    Popup()
 {
-    setResizable(false);
-    setShowTitle(false);
-    setTitleBarHeight(0);
-
     // Item Name
     mItemName = new gcn::Label("Label");
     mItemName->setFont(boldFont);
@@ -208,8 +203,8 @@ unsigned int ItemPopup::getNumRows()
 
 void ItemPopup::view(int x, int y)
 {
-    if (windowContainer->getWidth() < (x + getWidth() + 5))
-	x = windowContainer->getWidth() - getWidth();
+    if (graphics->getWidth() < (x + getWidth() + 5))
+	x = graphics->getWidth() - getWidth();
     if ((y - getHeight() - 10) < 0)
 	y = 0;
     else
diff --git a/src/gui/itempopup.h b/src/gui/itempopup.h
index a91d8c6f..97da4cbb 100644
--- a/src/gui/itempopup.h
+++ b/src/gui/itempopup.h
@@ -24,13 +24,13 @@
 #ifndef ITEMPOPUP_H
 #define ITEMPOPUP_H
 
-#include "window.h"
+#include "popup.h"
 
 class ItemInfo;
 class ScrollArea;
 class TextBox;
 
-class ItemPopup : public Window
+class ItemPopup : public Popup
 {
     public:
         ItemPopup();
diff --git a/src/gui/itemshortcutcontainer.cpp b/src/gui/itemshortcutcontainer.cpp
index cb709227..c1baca76 100644
--- a/src/gui/itemshortcutcontainer.cpp
+++ b/src/gui/itemshortcutcontainer.cpp
@@ -231,7 +231,7 @@ void ItemShortcutContainer::mouseMoved(gcn::MouseEvent &event)
 
     Item *item = player_node->getInventory()->findItem(itemId);
 
-    if (item && inventoryWindow->isVisible())
+    if (item)
     {
         mItemPopup->setItem(item->getInfo());
         mItemPopup->setOpaque(false);
diff --git a/src/gui/menuwindow.cpp b/src/gui/menuwindow.cpp
index 8a695865..e1be908b 100644
--- a/src/gui/menuwindow.cpp
+++ b/src/gui/menuwindow.cpp
@@ -26,7 +26,9 @@
 
 #include "button.h"
 #include "menuwindow.h"
-#include "windowcontainer.h"
+#include "window.h"
+
+#include "../graphics.h"
 
 #include "../utils/gettext.h"
 
@@ -50,13 +52,8 @@ namespace {
 }
 
 MenuWindow::MenuWindow():
-    Window("")
+    Popup("Menu")
 {
-    setResizable(false);
-    setWindowName("Menu");
-    setMovable(false);
-    setTitleBarHeight(0);
-
     // Buttons
     static const char *buttonNames[] =
     {
@@ -81,7 +78,7 @@ MenuWindow::MenuWindow():
         h = btn->getHeight();
     }
 
-    setPosition(windowContainer->getWidth() - x - 3, 3);
+    setPosition(graphics->getWidth() - x - 3, 3);
     setContentSize(x - 3, h);
 }
 
diff --git a/src/gui/menuwindow.h b/src/gui/menuwindow.h
index f70a332e..e8dc0b2e 100644
--- a/src/gui/menuwindow.h
+++ b/src/gui/menuwindow.h
@@ -23,14 +23,14 @@
 #ifndef MENU_H
 #define MENU_H
 
-#include "window.h"
+#include "popup.h"
 
 /**
  * The Button Menu.
  *
  * \ingroup Interface
  */
-class MenuWindow : public Window
+class MenuWindow : public Popup
 {
     public:
         /**
diff --git a/src/gui/ministatus.cpp b/src/gui/ministatus.cpp
index 6537b48e..18b9d714 100644
--- a/src/gui/ministatus.cpp
+++ b/src/gui/ministatus.cpp
@@ -31,13 +31,8 @@
 #include "../utils/stringutils.h"
 
 MiniStatusWindow::MiniStatusWindow():
-    Window("")
+    Popup("MiniStatus")
 {
-    setWindowName("MiniStatus");
-    setResizable(false);
-    setMovable(false);
-    setTitleBarHeight(0);
-
     mHpBar = new ProgressBar(1.0f, 100, 20, 0, 171, 34);
     mMpBar = new ProgressBar(1.0f, 100, 20, 26, 102, 230);
     mXpBar = new ProgressBar(1.0f, 100, 20, 143, 192, 211);
@@ -52,25 +47,17 @@ MiniStatusWindow::MiniStatusWindow():
 
     setContentSize(mXpBar->getX() + mXpBar->getWidth(),
                    mXpBar->getY() + mXpBar->getHeight());
-    setDefaultSize(0, 0, getWidth(), getHeight());
-    loadWindowState();
 }
 
 void MiniStatusWindow::update()
 {
     // HP Bar coloration
     if (player_node->mHp < int(player_node->mMaxHp / 3))
-    {
         mHpBar->setColor(223, 32, 32); // Red
-    }
     else if (player_node->mHp < int((player_node->mMaxHp / 3) * 2))
-    {
         mHpBar->setColor(230, 171, 34); // Orange
-    }
     else
-    {
         mHpBar->setColor(0, 171, 34); // Green
-    }
 
     float xp = (float) player_node->getXp() / player_node->mXpForNextLevel;
 
diff --git a/src/gui/ministatus.h b/src/gui/ministatus.h
index 33ee548d..b3fc58fc 100644
--- a/src/gui/ministatus.h
+++ b/src/gui/ministatus.h
@@ -23,7 +23,7 @@
 #ifndef MINISTATUS_H
 #define MINISTATUS_H
 
-#include "window.h"
+#include "popup.h"
 
 class ProgressBar;
 
@@ -32,7 +32,7 @@ class ProgressBar;
  *
  * \ingroup Interface
  */
-class MiniStatusWindow : public Window
+class MiniStatusWindow : public Popup
 {
     public:
         /**
diff --git a/src/gui/popup.cpp b/src/gui/popup.cpp
new file mode 100644
index 00000000..906f7a2e
--- /dev/null
+++ b/src/gui/popup.cpp
@@ -0,0 +1,211 @@
+/*
+ *  Aethyra
+ *  Copyright (C) 2009  Aethyra Development Team
+ *
+ *  This file is part of Aethyra based on original code
+ *  from The Mana World.
+ *
+ *  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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <algorithm>
+#include <cassert>
+#include <climits>
+
+#include <guichan/exception.hpp>
+
+#include "gui.h"
+#include "skin.h"
+#include "popup.h"
+#include "window.h"
+#include "windowcontainer.h"
+
+#include "../configlistener.h"
+#include "../configuration.h"
+#include "../log.h"
+
+#include "../resources/image.h"
+
+ConfigListener *Popup::popupConfigListener = 0;
+int Popup::instances = 0;
+bool Popup::mAlphaChanged = false;
+
+class PopupConfigListener : public ConfigListener
+{
+    void optionChanged(const std::string &)
+    {
+        Popup::mAlphaChanged = true;
+    }
+};
+
+Popup::Popup(const std::string& name, Window *parent,
+             const std::string& skin):
+    mParent(parent),
+    mPopupName(name),
+    mMinWidth(100),
+    mMinHeight(40),
+    mMaxWidth(INT_MAX),
+    mMaxHeight(INT_MAX)
+{
+    logger->log("Popup::Popup(\"%s\")", name.c_str());
+
+    if (!windowContainer)
+        throw GCN_EXCEPTION("Popup::Popup(): no windowContainer set");
+
+    if (instances == 0)
+    {
+        popupConfigListener = new PopupConfigListener();
+        // Send GUI alpha changed for initialization
+        popupConfigListener->optionChanged("guialpha");
+        config.addListener("guialpha", popupConfigListener);
+    }
+
+    setPadding(3);
+
+    instances++;
+
+    // Loads the skin
+    mSkin = skinLoader->load(skin);
+
+    setGuiAlpha();
+
+    // Add this window to the window container
+    windowContainer->add(this);
+
+    // Popups are invisible by default
+    setVisible(false);
+
+    addWidgetListener(this);
+}
+
+Popup::~Popup()
+{
+    logger->log("Popup::~Popup(\"%s\")", mPopupName.c_str());
+
+    while (!mWidgets.empty())
+    {
+        gcn::Widget *w = mWidgets.front();
+        remove(w);
+        delete(w);
+    }
+
+    instances--;
+
+    mSkin->instances--;
+
+    if (instances == 0)
+    {
+        config.removeListener("guialpha", popupConfigListener);
+        delete popupConfigListener;
+        popupConfigListener = NULL;
+    }
+}
+
+void Popup::setWindowContainer(WindowContainer *wc)
+{
+    windowContainer = wc;
+}
+
+void Popup::draw(gcn::Graphics *graphics)
+{
+    if (!isVisible())
+        return;
+
+    Graphics *g = static_cast<Graphics*>(graphics);
+
+    g->drawImageRect(0, 0, getWidth(), getHeight(), mSkin->border);
+
+    // Update Popup alpha values
+    if (mAlphaChanged)
+    {
+        for_each(mSkin->border.grid, mSkin->border.grid + 9,
+                 std::bind2nd(std::mem_fun(&Image::setAlpha),
+                 config.getValue("guialpha", 0.8)));
+    }
+    drawChildren(graphics);
+}
+
+gcn::Rectangle Popup::getChildrenArea()
+{
+    return gcn::Rectangle(getPadding(), 0, getWidth() - getPadding() * 2,
+                          getHeight() - getPadding() * 2);
+}
+
+void Popup::setContentSize(int width, int height)
+{
+    width += 2 * getPadding();
+    height += 2 * getPadding();
+
+    if (getMinWidth() > width)
+        width = getMinWidth();
+    else if (getMaxWidth() < width)
+        width = getMaxWidth();
+    if (getMinHeight() > height)
+        height = getMinHeight();
+    else if (getMaxHeight() < height)
+        height = getMaxHeight();
+
+    setSize(width, height);
+}
+
+void Popup::setLocationRelativeTo(gcn::Widget *widget)
+{
+    int wx, wy;
+    int x, y;
+
+    widget->getAbsolutePosition(wx, wy);
+    getAbsolutePosition(x, y);
+
+    setPosition(getX() + (wx + (widget->getWidth() - getWidth()) / 2 - x),
+                getY() + (wy + (widget->getHeight() - getHeight()) / 2 - y));
+}
+
+void Popup::setMinWidth(unsigned int width)
+{
+    mMinWidth = width;
+}
+
+void Popup::setMinHeight(unsigned int height)
+{
+    mMinHeight = height;
+}
+
+void Popup::setMaxWidth(unsigned int width)
+{
+    mMaxWidth = width;
+}
+
+void Popup::setMaxHeight(unsigned int height)
+{
+    mMaxHeight = height;
+}
+
+void Popup::scheduleDelete()
+{
+    windowContainer->scheduleDelete(this);
+}
+
+void Popup::setGuiAlpha()
+{
+    //logger->log("Popup::setGuiAlpha: Alpha Value %f", config.getValue("guialpha", 0.8));
+    for (int i = 0; i < 9; i++)
+    {
+        //logger->log("Popup::setGuiAlpha: Border Image (%i)", i);
+        mSkin->border.grid[i]->setAlpha(config.getValue("guialpha", 0.8));
+    }
+
+    mAlphaChanged = false;
+}
+
diff --git a/src/gui/popup.h b/src/gui/popup.h
new file mode 100644
index 00000000..0f7eebbf
--- /dev/null
+++ b/src/gui/popup.h
@@ -0,0 +1,196 @@
+/*
+ *  Aethyra
+ *  Copyright (C) 2009  Aethyra Development Team
+ *
+ *  This file is part of Aethyra based on original code
+ *  from The Mana World.
+ *
+ *  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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef POPUP_H
+#define POPUP_H
+
+#include <guichan/widgetlistener.hpp>
+
+#include <guichan/widgets/container.hpp>
+
+#include "../graphics.h"
+#include "../guichanfwd.h"
+
+class ConfigListener;
+class Skin;
+class SkinLoader;
+class Window;
+class WindowContainer;
+
+/**
+ * A rather reduced down version of the Window class that is particularly suited
+ * for 
+ *
+ * \ingroup GUI
+ */
+class Popup : public gcn::Container, gcn::WidgetListener
+{
+    public:
+        friend class PopupConfigListener;
+
+        /**
+         * Constructor. Initializes the title to the given text and hooks
+         * itself into the popup container.
+         *
+         * @param name    A human readable name for the popup. Only useful for
+         *                debugging purposes.
+         * @param parent  The parent Window. This is the Window standing above
+         *                this one in the Window hiearchy. When reordering,
+         *                a Popup will never go below its parent Window.
+         * @param skin    The location where the Popup's skin XML can be found.
+         */
+        Popup(const std::string& name = "", Window *parent = NULL,
+              const std::string &skin = "graphics/gui/gui.xml");
+
+        /**
+         * Destructor. Deletes all the added widgets.
+         */
+        ~Popup();
+
+        /**
+         * Sets the window container to be used by new popups.
+         */
+        static void setWindowContainer(WindowContainer *windowContainer);
+
+        /**
+         * Draws the popup.
+         */
+        void draw(gcn::Graphics *graphics);
+
+        /**
+         * Sets the size of this popup.
+         */
+        void setContentSize(int width, int height);
+
+        /**
+         * Sets the location relative to the given widget.
+         */
+        void setLocationRelativeTo(gcn::Widget *widget);
+
+        /**
+         * Sets the minimum width of the popup.
+         */
+        void setMinWidth(unsigned int width);
+
+        /**
+         * Sets the minimum height of the popup.
+         */
+        void setMinHeight(unsigned int height);
+
+        /**
+         * Sets the maximum width of the popup.
+         */
+        void setMaxWidth(unsigned int width);
+
+        /**
+         * Sets the minimum height of the popup.
+         */
+        void setMaxHeight(unsigned int height);
+
+        /**
+         * Gets the minimum width of the popup.
+         */
+        int getMinWidth() { return mMinWidth; }
+
+        /**
+         * Gets the minimum height of the popup.
+         */
+        int getMinHeight() { return mMinHeight; }
+
+        /**
+         * Gets the maximum width of the popup.
+         */
+        int getMaxWidth() { return mMaxWidth; }
+
+        /**
+         * Gets the minimum height of the popup.
+         */
+        int getMaxHeight() { return mMaxHeight; }
+
+        /**
+         * Gets the padding of the popup. The padding is the distance between
+         * the popup border and the content.
+         *
+         * @return The padding of the popup.
+         * @see setPadding
+         */
+        unsigned int getPadding() const { return mPadding; }
+
+        /**
+         * Sets the padding of the popup. The padding is the distance between the
+         * popup border and the content.
+         *
+         * @param padding The padding of the popup.
+         * @see getPadding
+         */
+        void setPadding(unsigned int padding) { mPadding = padding; }
+
+        /**
+         * Returns the parent Window.
+         *
+         * @return The parent Window or <code>NULL</code> if there is none.
+         */
+        Window* getParentWindow() { return mParent; }
+
+        /**
+         * Sets the name of the popup. This is only useful for debug purposes.
+         */
+        void setPopupName(const std::string &name) { mPopupName = name; }
+
+        /**
+         * Returns the name of the popup. This is only useful for debug purposes.
+         */
+        const std::string& getPopupName() { return mPopupName; }
+
+        /**
+         * Schedule this popup for deletion. It will be deleted at the start
+         * of the next logic update.
+         */
+        void scheduleDelete();
+
+        // Inherited from BasicContainer
+
+        virtual gcn::Rectangle getChildrenArea();
+
+    private:
+        void setGuiAlpha();
+
+        Window *mParent;           /**< The parent Window (if there is one) */
+        std::string mPopupName;    /**< Name of the Popup */
+        static bool mAlphaChanged; /**< Whether the alpha percent was changed */
+        int mMinWidth;             /**< Minimum Popup width */
+        int mMinHeight;            /**< Minimum Popup height */
+        int mMaxWidth;             /**< Maximum Popup width */
+        int mMaxHeight;            /**< Maximum Popup height */
+        unsigned int mPadding;     /**< Holds the padding of the window. */ 
+
+        /**
+         * The config listener that listens to changes relevant to all Popups.
+         */
+        static ConfigListener *popupConfigListener;
+
+        static int instances;      /**< Number of Popup instances */
+
+        Skin* mSkin;               /**< Skin in use by this Popup */
+};
+
+#endif
diff --git a/src/gui/popupmenu.cpp b/src/gui/popupmenu.cpp
index cead20ed..02be3055 100644
--- a/src/gui/popupmenu.cpp
+++ b/src/gui/popupmenu.cpp
@@ -27,11 +27,11 @@
 #include "inventorywindow.h"
 #include "item_amount.h"
 #include "popupmenu.h"
-#include "windowcontainer.h"
 
 #include "../being.h"
 #include "../beingmanager.h"
 #include "../floor_item.h"
+#include "../graphics.h"
 #include "../item.h"
 #include "../localplayer.h"
 #include "../npc.h"
@@ -292,10 +292,10 @@ void PopupMenu::showPopup(int x, int y, Item *item)
 void PopupMenu::showPopup(int x, int y)
 {
     setContentSize(mBrowserBox->getWidth() + 8, mBrowserBox->getHeight() + 8);
-    if (windowContainer->getWidth() < (x + getWidth() + 5))
-        x = windowContainer->getWidth() - getWidth();
-    if (windowContainer->getHeight() < (y + getHeight() + 5))
-        y = windowContainer->getHeight() - getHeight();
+    if (graphics->getWidth() < (x + getWidth() + 5))
+        x = graphics->getWidth() - getWidth();
+    if (graphics->getHeight() < (y + getHeight() + 5))
+        y = graphics->getHeight() - getHeight();
     setPosition(x, y);
     setVisible(true);
     requestMoveToTop();
diff --git a/src/gui/speechbubble.cpp b/src/gui/speechbubble.cpp
index dcb03dca..0b18209e 100644
--- a/src/gui/speechbubble.cpp
+++ b/src/gui/speechbubble.cpp
@@ -32,13 +32,10 @@
 #include "../utils/gettext.h"
 
 SpeechBubble::SpeechBubble():
-    Window(_("Speech"), false, NULL, "graphics/gui/speechbubble.xml"),
+    Popup("Speech", NULL, "graphics/gui/speechbubble.xml"),
     mText("")
 {
     setContentSize(140, 46);
-    setShowTitle(false);
-    setTitleBarHeight(0);
-
     setMinWidth(29);
     setMinHeight(29);
 
diff --git a/src/gui/speechbubble.h b/src/gui/speechbubble.h
index 6b03cc85..a1a597c1 100644
--- a/src/gui/speechbubble.h
+++ b/src/gui/speechbubble.h
@@ -23,12 +23,12 @@
 #ifndef SPEECHBUBBLE_H
 #define SPEECHBUBBLE_H
 
-#include "window.h"
+#include "popup.h"
 
 class ScrollArea;
 class TextBox;
 
-class SpeechBubble : public Window
+class SpeechBubble : public Popup
 {
     public:
         SpeechBubble();
diff --git a/src/gui/window.cpp b/src/gui/window.cpp
index def81c53..76c19751 100644
--- a/src/gui/window.cpp
+++ b/src/gui/window.cpp
@@ -41,7 +41,6 @@
 #include "../resources/image.h"
 
 ConfigListener *Window::windowConfigListener = 0;
-WindowContainer *Window::windowContainer = 0;
 int Window::instances = 0;
 int Window::mouseResize = 0;
 bool Window::mAlphaChanged = false;
@@ -216,39 +215,39 @@ void Window::setLocationRelativeTo(ImageRect::ImagePosition position,
     }
     else if (position == ImageRect::UPPER_CENTER)
     {
-        offsetX += (windowContainer->getWidth() - getWidth()) / 2;
+        offsetX += (graphics->getWidth() - getWidth()) / 2;
     }
     else if (position == ImageRect::UPPER_RIGHT)
     {
-        offsetX += windowContainer->getWidth() - getWidth();
+        offsetX += graphics->getWidth() - getWidth();
     }
     else if (position == ImageRect::LEFT)
     {
-        offsetY += (windowContainer->getHeight() - getHeight()) / 2;
+        offsetY += (graphics->getHeight() - getHeight()) / 2;
     }
     else if (position == ImageRect::CENTER)
     {
-        offsetX += (windowContainer->getWidth() - getWidth()) / 2;
-        offsetY += (windowContainer->getHeight() - getHeight()) / 2;
+        offsetX += (graphics->getWidth() - getWidth()) / 2;
+        offsetY += (graphics->getHeight() - getHeight()) / 2;
     }
     else if (position == ImageRect::RIGHT)
     {
-        offsetX += windowContainer->getWidth() - getWidth();
-        offsetY += (windowContainer->getHeight() - getHeight()) / 2;
+        offsetX += graphics->getWidth() - getWidth();
+        offsetY += (graphics->getHeight() - getHeight()) / 2;
     }
     else if (position == ImageRect::LOWER_LEFT)
     {
-        offsetY += windowContainer->getHeight() - getHeight();
+        offsetY += graphics->getHeight() - getHeight();
     }
     else if (position == ImageRect::LOWER_CENTER)
     {
-        offsetX += (windowContainer->getWidth() - getWidth()) / 2;
-        offsetY += windowContainer->getHeight() - getHeight();
+        offsetX += (graphics->getWidth() - getWidth()) / 2;
+        offsetY += graphics->getHeight() - getHeight();
     }
     else if (position == ImageRect::LOWER_RIGHT)
     {
-        offsetX += windowContainer->getWidth() - getWidth();
-        offsetY += windowContainer->getHeight() - getHeight();
+        offsetX += graphics->getWidth() - getWidth();
+        offsetY += graphics->getHeight() - getHeight();
     }
 
     setPosition(offsetX, offsetY);
@@ -429,8 +428,8 @@ void Window::mouseDragged(gcn::MouseEvent &event)
     {
         int newX = std::max(0, getX());
         int newY = std::max(0, getY());
-        newX = std::min(windowContainer->getWidth() - getWidth(), newX);
-        newY = std::min(windowContainer->getHeight() - getHeight(), newY);
+        newX = std::min(graphics->getWidth() - getWidth(), newX);
+        newY = std::min(graphics->getHeight() - getHeight(), newY);
         setPosition(newX, newY);
     }
 
@@ -475,13 +474,13 @@ void Window::mouseDragged(gcn::MouseEvent &event)
             newDim.height += newDim.y;
             newDim.y = 0;
         }
-        if (newDim.x + newDim.width > windowContainer->getWidth())
+        if (newDim.x + newDim.width > graphics->getWidth())
         {
-            newDim.width = windowContainer->getWidth() - newDim.x;
+            newDim.width = graphics->getWidth() - newDim.x;
         }
-        if (newDim.y + newDim.height > windowContainer->getHeight())
+        if (newDim.y + newDim.height > graphics->getHeight())
         {
-            newDim.height = windowContainer->getHeight() - newDim.y;
+            newDim.height = graphics->getHeight() - newDim.y;
         }
 
         // Update mouse offset when dragging bottom or right border
@@ -585,39 +584,39 @@ void Window::setDefaultSize(int defaultWidth, int defaultHeight,
     }
     else if (position == ImageRect::UPPER_CENTER)
     {
-        x = (windowContainer->getWidth() - defaultWidth) / 2;
+        x = (graphics->getWidth() - defaultWidth) / 2;
     }
     else if (position == ImageRect::UPPER_RIGHT)
     {
-        x = windowContainer->getWidth() - defaultWidth;
+        x = graphics->getWidth() - defaultWidth;
     }
     else if (position == ImageRect::LEFT)
     {
-        y = (windowContainer->getHeight() - defaultHeight) / 2;
+        y = (graphics->getHeight() - defaultHeight) / 2;
     }
     else if (position == ImageRect::CENTER)
     {
-        x = (windowContainer->getWidth() - defaultWidth) / 2;
-        y = (windowContainer->getHeight() - defaultHeight) / 2;
+        x = (graphics->getWidth() - defaultWidth) / 2;
+        y = (graphics->getHeight() - defaultHeight) / 2;
     }
     else if (position == ImageRect::RIGHT)
     {
-        x = windowContainer->getWidth() - defaultWidth;
-        y = (windowContainer->getHeight() - defaultHeight) / 2;
+        x = graphics->getWidth() - defaultWidth;
+        y = (graphics->getHeight() - defaultHeight) / 2;
     }
     else if (position == ImageRect::LOWER_LEFT)
     {
-        y = windowContainer->getHeight() - defaultHeight;
+        y = graphics->getHeight() - defaultHeight;
     }
     else if (position == ImageRect::LOWER_CENTER)
     {
-        x = (windowContainer->getWidth() - defaultWidth) / 2;
-        y = windowContainer->getHeight() - defaultHeight;
+        x = (graphics->getWidth() - defaultWidth) / 2;
+        y = graphics->getHeight() - defaultHeight;
     }
     else if (position == ImageRect::LOWER_RIGHT)
     {
-        x = windowContainer->getWidth() - defaultWidth;
-        y = windowContainer->getHeight() - defaultHeight;
+        x = graphics->getWidth() - defaultWidth;
+        y = graphics->getHeight() - defaultHeight;
     }
 
     mDefaultX = x - offsetX;
diff --git a/src/gui/window.h b/src/gui/window.h
index 7ae7ebba..d573d85f 100644
--- a/src/gui/window.h
+++ b/src/gui/window.h
@@ -300,10 +300,6 @@ class Window : public gcn::Window, gcn::WidgetListener
          */
         virtual void close();
 
-    protected:
-        /** The window container windows add themselves to. */
-        static WindowContainer *windowContainer;
-
     private:
         enum ResizeHandles
         {
diff --git a/src/gui/windowcontainer.cpp b/src/gui/windowcontainer.cpp
index 0aa61965..ad86a253 100644
--- a/src/gui/windowcontainer.cpp
+++ b/src/gui/windowcontainer.cpp
@@ -24,6 +24,8 @@
 
 #include "../utils/dtor.h"
 
+WindowContainer *windowContainer = NULL;
+
 void WindowContainer::logic()
 {
     delete_all(mDeathList);
diff --git a/src/gui/windowcontainer.h b/src/gui/windowcontainer.h
index 09f34cf5..23b221cf 100644
--- a/src/gui/windowcontainer.h
+++ b/src/gui/windowcontainer.h
@@ -46,6 +46,11 @@ class WindowContainer : public gcn::Container
          */
         void scheduleDelete(gcn::Widget *widget);
 
+        /**
+         * Get the number of widget instances
+         */
+        int getNumberOfInstances() { return mDeathList.size(); }
+
     private:
         /**
          * List of widgets that are scheduled to be deleted.
@@ -55,4 +60,6 @@ class WindowContainer : public gcn::Container
         Widgets mDeathList;
 };
 
+extern WindowContainer* windowContainer;
+
 #endif