diff options
Diffstat (limited to 'themes.c')
| -rw-r--r-- | themes.c | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/themes.c b/themes.c new file mode 100644 index 0000000..0232822 --- /dev/null +++ b/themes.c @@ -0,0 +1,305 @@ +/* + * themes.c: Color themes used by skins + * + * See the main source file 'vdr.c' for copyright information and + * how to reach the author. + * + * $Id: themes.c 1.1 2004/05/16 09:43:14 kls Exp $ + */ + +#include "themes.h" +#include <dirent.h> +#include <string.h> +#include "config.h" +#include "tools.h" + +// --- cTheme ---------------------------------------------------------------- + +cTheme::cTheme(void) +{ + name = strdup("default"); + memset(descriptions, 0, sizeof(descriptions)); + memset(colorNames, 0, sizeof(colorNames)); + memset(colorValues, 0, sizeof(colorValues)); + descriptions[0] = strdup("Default"); +} + +cTheme::~cTheme() +{ + free(name); + for (int i = 0; i < I18nNumLanguages; i++) + free(descriptions[i]); + for (int i = 0; i < MaxThemeColors; i++) + free(colorNames[i]); +} + +bool cTheme::FileNameOk(const char *FileName, bool SetName) +{ + const char *error = NULL; + if (!isempty(FileName)) { + const char *d = strrchr(FileName, '/'); + if (d) + FileName = d + 1; + const char *n = strchr(FileName, '-'); + if (n) { + if (n > FileName) { + if (!strchr(++n, '-')) { + const char *e = strchr(n, '.'); + if (e && strcmp(e, ".theme") == 0) { + if (e - n >= 1) { + // FileName is ok + if (SetName) { + free(name); + name = strndup(n, e - n); + } + } + else + error = "missing theme name"; + } + else + error = "invalid extension"; + } + else + error = "too many '-'"; + } + else + error = "missing skin name"; + } + else + error = "missing '-'"; + } + else + error = "empty"; + if (error) + esyslog("ERROR: invalid theme file name (%s): '%s'", error, FileName); + return !error; +} + +const char *cTheme::Description(void) +{ + char *s = descriptions[Setup.OSDLanguage]; + if (!s) + s = descriptions[0]; + return s ? s : name; +} + +bool cTheme::Load(const char *FileName, bool OnlyDescriptions) +{ + if (!FileNameOk(FileName, true)) + return false; + bool result = false; + if (!OnlyDescriptions) + isyslog("loading %s", FileName); + FILE *f = fopen(FileName, "r"); + if (f) { + int line = 0; + result = true; + char *s; + const char *error = NULL; + while ((s = readline(f)) != NULL) { + line++; + char *p = strchr(s, '#'); + if (p) + *p = 0; + s = stripspace(skipspace(s)); + if (!isempty(s)) { + char *n = s; + char *v = strchr(s, '='); + if (v) { + *v++ = 0; + n = stripspace(skipspace(n)); + v = stripspace(skipspace(v)); + if (strstr(n, "Description") == n) { + int lang = 0; + char *l = strchr(n, '.'); + if (l) + lang = I18nLanguageIndex(++l); + if (lang >= 0) + descriptions[lang] = strdup(v); + else + error = "invalid language code"; + } + else if (!OnlyDescriptions) { + for (int i = 0; i < MaxThemeColors; i++) { + if (colorNames[i]) { + if (strcmp(n, colorNames[i]) == 0) { + char *p = NULL; + errno = 0; + tColor c = strtoul(v, &p, 16); + if (!errno && !*p) + colorValues[i] = c; + else + error = "invalid color value"; + break; + } + } + else { + error = "unknown color name"; + break; + } + } + } + } + else + error = "missing value"; + } + if (error) { + result = false; + break; + } + } + if (!result) + esyslog("ERROR: error in %s, line %d%s%s\n", FileName, line, error ? ": " : "", error ? error : ""); + fclose(f); + } + else + LOG_ERROR_STR(FileName); + return result; +} + +bool cTheme::Save(const char *FileName) +{ + if (!FileNameOk(FileName)) + return false; + bool result = true; + cSafeFile f(FileName); + if (f.Open()) { + for (int i = 0; i < I18nNumLanguages; i++) { + if (descriptions[i]) + fprintf(f, "Description%s%.*s = %s\n", i ? "." : "", 3, i ? I18nLanguageCode(i) : "", descriptions[i]); + } + for (int i = 0; i < MaxThemeColors; i++) { + if (colorNames[i]) + fprintf(f, "%s = %08X\n", colorNames[i], colorValues[i]); + } + if (!f.Close()) + result = false; + } + else + result = false; + return result; +} + +int cTheme::AddColor(const char *Name, tColor Color) +{ + for (int i = 0; i < MaxThemeColors; i++) { + if (colorNames[i]) { + if (strcmp(Name, colorNames[i]) == 0) { + colorValues[i] = Color; + return i; + } + } + else { + colorNames[i] = strdup(Name); + colorValues[i] = Color; + return i; + } + } + return -1; +} + +tColor cTheme::Color(int Subject) +{ + return (Subject >= 0 && Subject < MaxThemeColors) ? colorValues[Subject] : 0; +} + +// --- cThemes --------------------------------------------------------------- + +char *cThemes::themesDirectory = NULL; + +cThemes::cThemes(void) +{ + numThemes = 0; + names = 0; + fileNames = NULL; + descriptions = NULL; +} + +cThemes::~cThemes() +{ + Clear(); +} + +void cThemes::Clear(void) +{ + for (int i = 0; i < numThemes; i++) { + free(names[i]); + free(fileNames[i]); + free(descriptions[i]); + } + free(names); + free(fileNames); + free(descriptions); + numThemes = 0; + names = 0; + fileNames = NULL; + descriptions = NULL; +} + +bool cThemes::Load(const char *SkinName) +{ + Clear(); + if (themesDirectory) { + DIR *d = opendir(themesDirectory); + if (d) { + struct dirent *e; + while ((e = readdir(d)) != NULL) { + if (strcmp(e->d_name, ".") && strcmp(e->d_name, "..")) { + if (strstr(e->d_name, SkinName) == e->d_name && e->d_name[strlen(SkinName)] == '-') { + const char *FileName = AddDirectory(themesDirectory, e->d_name); + cTheme Theme; + if (Theme.Load(FileName, true)) { + names = (char **)realloc(names, (numThemes + 1) * sizeof(char *)); + names[numThemes] = strdup(Theme.Name()); + fileNames = (char **)realloc(fileNames, (numThemes + 1) * sizeof(char *)); + fileNames[numThemes] = strdup(FileName); + descriptions = (char **)realloc(descriptions, (numThemes + 1) * sizeof(char *)); + descriptions[numThemes] = strdup(Theme.Description()); + numThemes++; + } + } + } + } + closedir(d); + return numThemes > 0; + } + } + return false; +} + +int cThemes::GetThemeIndex(const char *Description) +{ + int index = 0; + for (int i = 0; i < numThemes; i++) { + if (strcmp(descriptions[i], Description) == 0) + return i; + if (strcmp(descriptions[i], "Default") == 0) + index = 1; + } + return index; +} + +void cThemes::SetThemesDirectory(const char *ThemesDirectory) +{ + free(themesDirectory); + themesDirectory = strdup(ThemesDirectory); + MakeDirs(themesDirectory, true); +} + +void cThemes::Load(const char *SkinName, const char *ThemeName, cTheme *Theme) +{ + char *FileName = NULL; + asprintf(&FileName, "%s/%s-%s.theme", themesDirectory, SkinName, ThemeName); + if (access(FileName, F_OK) == 0) // the file exists + Theme->Load(FileName); + free(FileName); +} + +void cThemes::Save(const char *SkinName, cTheme *Theme) +{ + char *FileName = NULL; + asprintf(&FileName, "%s/%s-%s.theme", themesDirectory, SkinName, Theme->Name()); + if (access(FileName, F_OK) != 0) // the file does not exist + Theme->Save(FileName); + free(FileName); +} |