Rename SkinLoader to Theme

Also merge the guialpha ConfigListener into Theme.

Reviewed-by: Thorbjørn Lindeijer

1 files changed, 172 insertions, 0 deletions

diff --git a/src/gui/theme.h b/src/gui/theme.h
new file mode 100644
index 00000000..abc2612f
--- /dev/null
+++ b/src/gui/theme.h
@@ -0,0 +1,172 @@
+/*
+ *  Gui Skinning
+ *  Copyright (C) 2008  The Legend of Mazzeroth Development Team
+ *  Copyright (C) 2009  Aethyra Development Team
+ *  Copyright (C) 2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *
+ *  This file is part of The Mana 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/>.
+ */
+
+#ifndef SKIN_H
+#define SKIN_H
+
+#include "configlistener.h"
+#include "graphics.h"
+
+#include <map>
+#include <string>
+
+class Image;
+class ImageSet;
+
+class Skin
+{
+    public:
+        Skin(ImageRect skin, Image *close, Image *stickyUp, Image *stickyDown,
+             const std::string &filePath,
+             const std::string &name = "");
+
+        ~Skin();
+
+        /**
+         * Returns the skin's name. Useful for giving a human friendly skin
+         * name if a dialog for skin selection for a specific window type is
+         * done.
+         */
+        const std::string &getName() const { return mName; }
+
+        /**
+         * Returns the skin's xml file path.
+         */
+        const std::string &getFilePath() const { return mFilePath; }
+
+        /**
+         * Returns the background skin.
+         */
+        const ImageRect &getBorder() const { return mBorder; }
+
+        /**
+         * Returns the image used by a close button for this skin.
+         */
+        Image *getCloseImage() const { return mCloseImage; }
+
+        /**
+         * Returns the image used by a sticky button for this skin.
+         */
+        Image *getStickyImage(bool state) const
+        { return state ? mStickyImageDown : mStickyImageUp; }
+
+        /**
+         * Returns the minimum width which can be used with this skin.
+         */
+        int getMinWidth() const;
+
+        /**
+         * Returns the minimum height which can be used with this skin.
+         */
+        int getMinHeight() const;
+
+        /**
+         * Updates the alpha value of the skin
+         */
+        void updateAlpha(float minimumOpacityAllowed = 0.0f);
+
+        int instances;
+
+    private:
+        std::string mFilePath;     /**< File name path for the skin */
+        std::string mName;         /**< Name of the skin to use */
+        ImageRect mBorder;         /**< The window border and background */
+        Image *mCloseImage;        /**< Close Button Image */
+        Image *mStickyImageUp;     /**< Sticky Button Image */
+        Image *mStickyImageDown;   /**< Sticky Button Image */
+};
+
+class Theme : public ConfigListener
+{
+    public:
+        static Theme *instance();
+        static void deleteInstance();
+
+        static void prepareThemePath();
+        static std::string getThemePath() { return mThemePath; }
+
+        /**
+         * Returns the patch to the given gui resource relative to the theme
+         * or, if it isn't in the theme, relative to 'graphics/gui'.
+         */
+        static std::string resolveThemePath(const std::string &path);
+
+        static Image *getImageFromTheme(const std::string &path);
+        static ImageSet *getImageSetFromTheme(const std::string &path,
+                                           int w, int h);
+
+        /**
+         * Loads a skin.
+         */
+        Skin *load(const std::string &filename,
+                   const std::string &defaultPath = getThemePath());
+
+        /**
+         * Updates the alpha values of all of the skins.
+         */
+        void updateAlpha();
+
+        /**
+         * Get the minimum opacity allowed to skins.
+         */
+        float getMinimumOpacity()
+        { return mMinimumOpacity; }
+
+        /**
+         * Set the minimum opacity allowed to skins.
+         * Set a negative value to free the minimum allowed.
+         */
+        void setMinimumOpacity(float minimumOpacity);
+
+        void optionChanged(const std::string &);
+
+    private:
+        Theme();
+        ~Theme();
+
+        Skin *readSkin(const std::string &filename);
+
+        // Map containing all window skins
+        typedef std::map<std::string, Skin*> Skins;
+        typedef Skins::iterator SkinIterator;
+
+        Skins mSkins;
+
+        /**
+         * The config listener that listens to changes relevant to all skins.
+         */
+        ConfigListener *mSkinConfigListener;
+
+        static std::string mThemePath;
+        static Theme *mInstance;
+
+        static bool tryThemePath(std::string themePath);
+
+        /**
+         * Tells if the current skins opacity
+         * should not get less than the given value
+         */
+        float mMinimumOpacity;
+};
+
+#endif