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+/*
+ * themes.h: Color themes used by skins
+ *
+ * See the main source file 'vdr.c' for copyright information and
+ * how to reach the author.
+ *
+ * $Id: themes.h 1.1 2004/05/15 14:22:16 kls Exp $
+ */
+
+#ifndef __THEMES_H
+#define __THEMES_H
+
+#include "i18n.h"
+#include "osd.h"
+
+class cTheme {
+public:
+  enum { MaxThemeColors = 128 };
+private:
+  char *name;
+  char *descriptions[I18nNumLanguages];
+  char *colorNames[MaxThemeColors];
+  tColor colorValues[MaxThemeColors];
+  bool FileNameOk(const char *FileName, bool SetName = false);
+public:
+  cTheme(void);
+       ///< Creates a new theme class.
+  ~cTheme();
+  const char *Name(void) { return name; }
+  const char *Description(void);
+       ///< Returns a user visible, single line description of this theme.
+       ///< The actual text shouldn't be too long, so that it can be
+       ///< fully displayed in the Setup/OSD menu.
+  bool Load(const char *FileName, bool OnlyDescriptions = false);
+       ///< Loads the theme data from the given file.
+  bool Save(const char *FileName);
+       ///< Saves the theme data to the given file.
+       ///< FileName must be in the form "<skin>-<theme>.theme", where <skin>
+       ///< is the name of the skin this theme applies to, and <theme> is the
+       ///< actual theme name, which will be used to identify this theme in the
+       ///< 'setup.conf', and is normally not seen by the user. It should
+       ///< consist of only lowercase letters and digits.
+  int AddColor(const char *Name, tColor Color);
+       ///< Adds a color with the given Name to this theme, initializes it
+       ///< with Color and returns an index into the color array that can
+       ///< be used in a call to Color() later. The index returned from the
+       ///< first call to AddColor() is 0, and subsequent calls will return
+       ///< values that are incremented by 1 with every call.
+       ///< If a color entry with the given Name already exists, its value
+       ///< will be overwritten with Color and the returned index will be
+       ///< that of the existing entry.
+  tColor Color(int Subject);
+       ///< Returns the color for the given Subject. Subject must be one of
+       ///< the values returned by a previous call to AddColor().
+  };
+
+// A helper macro that simplifies defining theme colors.
+#define THEME_CLR(Theme, Subject, Color) static const int Subject = Theme.AddColor(#Subject, Color)
+
+class cThemes {
+private:
+  int numThemes;
+  char **names;
+  char **fileNames;
+  char **descriptions;
+  static char *themesDirectory;
+  void Clear(void);
+public:
+  cThemes(void);
+  ~cThemes();
+  bool Load(const char *SkinName);
+  int NumThemes(void) { return numThemes; }
+  const char *Name(int Index) { return Index < numThemes ? names[Index] : NULL; }
+  const char *FileName(int Index) { return Index < numThemes ? fileNames[Index] : NULL; }
+  const char * const *Descriptions(void) { return descriptions; }
+  int GetThemeIndex(const char *Description);
+  static void SetThemesDirectory(const char *ThemesDirectory);
+  static void Load(const char *SkinName, const char *ThemeName, cTheme *Theme);
+  static void Save(const char *SkinName, cTheme *Theme);
+  };
+
+#endif //__THEMES_H