themes.h

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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 5.2 2026/01/19 11:09:43 kls Exp $
 */
 
#ifndef __THEMES_H
#define __THEMES_H
 
#include "i18n.h"
#include "tools.h"
#include "osd.h"
 
class cTheme {
public:
  [[deprecated("there is no more limit to the number of theme colors")]]
  static constexpr int MaxThemeColors = 128;
private:
  cString name;
  cStringList descriptions;
  cStringList colorNames;
  cVector<tColor> colorValues;
  bool FileNameOk(const char *FileName, bool SetName = false);
public:
  cTheme(void);
  const char *Name(void) { return name; }
  const char *Description(void);
  bool Load(const char *FileName, bool OnlyDescriptions = false);
  bool Save(const char *FileName);
  int AddColor(const char *Name, tColor Color);
  tColor Color(int Subject);
  };
 
// A helper macro that simplifies defining theme colors.
#define THEME_CLR(Theme, Subject, Color) static const tColor Subject = Theme.AddColor(#Subject, Color)
 
class cThemes {
private:
  int numThemes;
  cStringList names;
  cStringList fileNames;
  cStringList descriptions;
  static cString 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[0]; }
  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