Introduced a Desktop widget to handle the wallpaper

Cleans up main.cpp a little.

3 files changed, 158 insertions, 2 deletions

diff --git a/src/gui/widgets/desktop.cpp b/src/gui/widgets/desktop.cpp
new file mode 100644
index 00000000..fc66ed93
--- /dev/null
+++ b/src/gui/widgets/desktop.cpp
@@ -0,0 +1,95 @@
+/*
+ *  Desktop widget
+ *  Copyright (c) 2009  The Mana World Development Team
+ *
+ *  This file is part of 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 "gui/widgets/desktop.h"
+
+#include "gui/palette.h"
+
+#include "resources/image.h"
+#include "resources/resourcemanager.h"
+#include "resources/wallpaper.h"
+
+#include "graphics.h"
+#include "log.h"
+
+Desktop::Desktop()
+    : mWallpaper(0)
+{
+    addWidgetListener(this);
+
+    Wallpaper::loadWallpapers();
+}
+
+Desktop::~Desktop()
+{
+    if (mWallpaper)
+        mWallpaper->decRef();
+}
+
+void Desktop::reloadWallpaper()
+{
+    Wallpaper::loadWallpapers();
+    setBestFittingWallpaper();
+}
+
+void Desktop::widgetResized(const gcn::Event &event)
+{
+    setBestFittingWallpaper();
+}
+
+void Desktop::draw(gcn::Graphics *graphics)
+{
+    Graphics *g = static_cast<Graphics *>(graphics);
+
+    if (!mWallpaper || (getWidth() > mWallpaper->getWidth() ||
+                        getHeight() > mWallpaper->getHeight()))
+    {
+        // TODO: Color from palette
+        g->setColor(gcn::Color(64, 64, 64));
+        g->fillRectangle(gcn::Rectangle(0, 0, getWidth(), getHeight()));
+    }
+
+    if (mWallpaper)
+    {
+        g->drawImage(mWallpaper,
+                (getWidth() - mWallpaper->getWidth()) / 2,
+                (getHeight() - mWallpaper->getHeight()) / 2);
+    }
+}
+
+void Desktop::setBestFittingWallpaper()
+{
+    const std::string wallpaperName =
+            Wallpaper::getWallpaper(getWidth(), getHeight());
+
+    Image *temp = ResourceManager::getInstance()->getImage(wallpaperName);
+
+    if (temp)
+    {
+        if (mWallpaper)
+            mWallpaper->decRef();
+        mWallpaper = temp;
+    }
+    else
+    {
+        logger->log("Couldn't load %s as wallpaper", wallpaperName.c_str());
+    }
+}
diff --git a/src/gui/widgets/desktop.h b/src/gui/widgets/desktop.h
new file mode 100644
index 00000000..ed68145a
--- /dev/null
+++ b/src/gui/widgets/desktop.h
@@ -0,0 +1,62 @@
+/*
+ *  Desktop widget
+ *  Copyright (c) 2009  The Mana World Development Team
+ *
+ *  This file is part of 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 DESKTOP_H
+#define DESKTOP_H
+
+#include <guichan/widget.hpp>
+#include <guichan/widgetlistener.hpp>
+
+class Image;
+
+/**
+ * Desktop widget, for drawing a background image and color.
+ *
+ * It picks the best fitting background image. If the image doesn't fit, a
+ * background color is drawn and the image is centered.
+ *
+ * When the desktop widget is resized, the background image is automatically
+ * updated.
+ *
+ * \ingroup GUI
+ */
+class Desktop : public gcn::Widget, gcn::WidgetListener
+{
+    public:
+        Desktop();
+        ~Desktop();
+
+        /**
+         * Has to be called after updates have been loaded.
+         */
+        void reloadWallpaper();
+
+        void widgetResized(const gcn::Event &event);
+
+        void draw(gcn::Graphics *graphics);
+
+    private:
+        void setBestFittingWallpaper();
+
+        Image *mWallpaper;
+};
+
+#endif // DESKTOP_H
diff --git a/src/gui/widgets/label.cpp b/src/gui/widgets/label.cpp
index 39fbf220..2c559872 100644
--- a/src/gui/widgets/label.cpp
+++ b/src/gui/widgets/label.cpp
@@ -23,8 +23,7 @@
 
 #include "gui/palette.h"
 
-Label::Label() :
-    gcn::Label()
+Label::Label()
 {
 }