mirror of https://github.com/VDR4Arch/vdr.git
84 lines
3.1 KiB
C++
84 lines
3.1 KiB
C++
/*
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* themes.h: Color themes used by skins
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*
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: themes.h 2.1 2012/10/07 11:11:43 kls Exp $
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*/
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#ifndef __THEMES_H
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#define __THEMES_H
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#include "i18n.h"
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#include "tools.h"
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#include "osd.h"
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class cTheme {
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public:
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enum { MaxThemeColors = 128 };
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private:
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char *name;
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cStringList descriptions;
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char *colorNames[MaxThemeColors];
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tColor colorValues[MaxThemeColors];
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bool FileNameOk(const char *FileName, bool SetName = false);
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public:
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cTheme(void);
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///< Creates a new theme class.
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~cTheme();
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const char *Name(void) { return name; }
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const char *Description(void);
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///< Returns a user visible, single line description of this theme.
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///< The actual text shouldn't be too long, so that it can be
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///< fully displayed in the Setup/OSD menu.
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bool Load(const char *FileName, bool OnlyDescriptions = false);
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///< Loads the theme data from the given file.
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bool Save(const char *FileName);
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///< Saves the theme data to the given file.
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///< FileName must be in the form "<skin>-<theme>.theme", where <skin>
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///< is the name of the skin this theme applies to, and <theme> is the
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///< actual theme name, which will be used to identify this theme in the
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///< 'setup.conf', and is normally not seen by the user. It should
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///< consist of only lowercase letters and digits.
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int AddColor(const char *Name, tColor Color);
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///< Adds a color with the given Name to this theme, initializes it
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///< with Color and returns an index into the color array that can
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///< be used in a call to Color() later. The index returned from the
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///< first call to AddColor() is 0, and subsequent calls will return
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///< values that are incremented by 1 with every call.
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///< If a color entry with the given Name already exists, its value
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///< will be overwritten with Color and the returned index will be
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///< that of the existing entry.
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tColor Color(int Subject);
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///< Returns the color for the given Subject. Subject must be one of
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///< the values returned by a previous call to AddColor().
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};
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// A helper macro that simplifies defining theme colors.
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#define THEME_CLR(Theme, Subject, Color) static const tColor Subject = Theme.AddColor(#Subject, Color)
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class cThemes {
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private:
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int numThemes;
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char **names;
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char **fileNames;
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char **descriptions;
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static char *themesDirectory;
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void Clear(void);
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public:
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cThemes(void);
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~cThemes();
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bool Load(const char *SkinName);
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int NumThemes(void) { return numThemes; }
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const char *Name(int Index) { return Index < numThemes ? names[Index] : NULL; }
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const char *FileName(int Index) { return Index < numThemes ? fileNames[Index] : NULL; }
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const char * const *Descriptions(void) { return descriptions; }
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int GetThemeIndex(const char *Description);
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static void SetThemesDirectory(const char *ThemesDirectory);
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static void Load(const char *SkinName, const char *ThemeName, cTheme *Theme);
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static void Save(const char *SkinName, cTheme *Theme);
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};
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#endif //__THEMES_H
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