mirror of
https://github.com/VDR4Arch/vdr.git
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306 lines
8.3 KiB
C
306 lines
8.3 KiB
C
/*
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* themes.c: 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.c 1.1 2004/05/16 09:43:14 kls Exp $
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*/
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#include "themes.h"
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#include <dirent.h>
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#include <string.h>
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#include "config.h"
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#include "tools.h"
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// --- cTheme ----------------------------------------------------------------
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cTheme::cTheme(void)
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{
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name = strdup("default");
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memset(descriptions, 0, sizeof(descriptions));
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memset(colorNames, 0, sizeof(colorNames));
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memset(colorValues, 0, sizeof(colorValues));
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descriptions[0] = strdup("Default");
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}
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cTheme::~cTheme()
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{
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free(name);
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for (int i = 0; i < I18nNumLanguages; i++)
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free(descriptions[i]);
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for (int i = 0; i < MaxThemeColors; i++)
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free(colorNames[i]);
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}
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bool cTheme::FileNameOk(const char *FileName, bool SetName)
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{
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const char *error = NULL;
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if (!isempty(FileName)) {
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const char *d = strrchr(FileName, '/');
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if (d)
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FileName = d + 1;
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const char *n = strchr(FileName, '-');
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if (n) {
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if (n > FileName) {
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if (!strchr(++n, '-')) {
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const char *e = strchr(n, '.');
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if (e && strcmp(e, ".theme") == 0) {
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if (e - n >= 1) {
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// FileName is ok
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if (SetName) {
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free(name);
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name = strndup(n, e - n);
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}
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}
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else
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error = "missing theme name";
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}
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else
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error = "invalid extension";
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}
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else
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error = "too many '-'";
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}
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else
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error = "missing skin name";
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}
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else
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error = "missing '-'";
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}
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else
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error = "empty";
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if (error)
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esyslog("ERROR: invalid theme file name (%s): '%s'", error, FileName);
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return !error;
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}
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const char *cTheme::Description(void)
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{
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char *s = descriptions[Setup.OSDLanguage];
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if (!s)
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s = descriptions[0];
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return s ? s : name;
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}
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bool cTheme::Load(const char *FileName, bool OnlyDescriptions)
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{
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if (!FileNameOk(FileName, true))
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return false;
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bool result = false;
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if (!OnlyDescriptions)
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isyslog("loading %s", FileName);
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FILE *f = fopen(FileName, "r");
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if (f) {
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int line = 0;
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result = true;
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char *s;
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const char *error = NULL;
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while ((s = readline(f)) != NULL) {
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line++;
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char *p = strchr(s, '#');
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if (p)
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*p = 0;
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s = stripspace(skipspace(s));
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if (!isempty(s)) {
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char *n = s;
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char *v = strchr(s, '=');
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if (v) {
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*v++ = 0;
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n = stripspace(skipspace(n));
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v = stripspace(skipspace(v));
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if (strstr(n, "Description") == n) {
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int lang = 0;
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char *l = strchr(n, '.');
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if (l)
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lang = I18nLanguageIndex(++l);
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if (lang >= 0)
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descriptions[lang] = strdup(v);
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else
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error = "invalid language code";
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}
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else if (!OnlyDescriptions) {
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for (int i = 0; i < MaxThemeColors; i++) {
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if (colorNames[i]) {
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if (strcmp(n, colorNames[i]) == 0) {
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char *p = NULL;
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errno = 0;
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tColor c = strtoul(v, &p, 16);
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if (!errno && !*p)
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colorValues[i] = c;
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else
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error = "invalid color value";
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break;
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}
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}
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else {
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error = "unknown color name";
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break;
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}
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}
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}
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}
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else
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error = "missing value";
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}
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if (error) {
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result = false;
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break;
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}
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}
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if (!result)
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esyslog("ERROR: error in %s, line %d%s%s\n", FileName, line, error ? ": " : "", error ? error : "");
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fclose(f);
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}
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else
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LOG_ERROR_STR(FileName);
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return result;
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}
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bool cTheme::Save(const char *FileName)
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{
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if (!FileNameOk(FileName))
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return false;
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bool result = true;
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cSafeFile f(FileName);
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if (f.Open()) {
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for (int i = 0; i < I18nNumLanguages; i++) {
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if (descriptions[i])
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fprintf(f, "Description%s%.*s = %s\n", i ? "." : "", 3, i ? I18nLanguageCode(i) : "", descriptions[i]);
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}
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for (int i = 0; i < MaxThemeColors; i++) {
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if (colorNames[i])
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fprintf(f, "%s = %08X\n", colorNames[i], colorValues[i]);
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}
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if (!f.Close())
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result = false;
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}
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else
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result = false;
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return result;
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}
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int cTheme::AddColor(const char *Name, tColor Color)
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{
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for (int i = 0; i < MaxThemeColors; i++) {
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if (colorNames[i]) {
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if (strcmp(Name, colorNames[i]) == 0) {
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colorValues[i] = Color;
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return i;
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}
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}
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else {
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colorNames[i] = strdup(Name);
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colorValues[i] = Color;
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return i;
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}
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}
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return -1;
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}
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tColor cTheme::Color(int Subject)
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{
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return (Subject >= 0 && Subject < MaxThemeColors) ? colorValues[Subject] : 0;
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}
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// --- cThemes ---------------------------------------------------------------
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char *cThemes::themesDirectory = NULL;
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cThemes::cThemes(void)
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{
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numThemes = 0;
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names = 0;
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fileNames = NULL;
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descriptions = NULL;
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}
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cThemes::~cThemes()
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{
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Clear();
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}
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void cThemes::Clear(void)
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{
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for (int i = 0; i < numThemes; i++) {
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free(names[i]);
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free(fileNames[i]);
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free(descriptions[i]);
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}
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free(names);
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free(fileNames);
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free(descriptions);
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numThemes = 0;
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names = 0;
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fileNames = NULL;
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descriptions = NULL;
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}
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bool cThemes::Load(const char *SkinName)
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{
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Clear();
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if (themesDirectory) {
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DIR *d = opendir(themesDirectory);
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if (d) {
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struct dirent *e;
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while ((e = readdir(d)) != NULL) {
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if (strcmp(e->d_name, ".") && strcmp(e->d_name, "..")) {
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if (strstr(e->d_name, SkinName) == e->d_name && e->d_name[strlen(SkinName)] == '-') {
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const char *FileName = AddDirectory(themesDirectory, e->d_name);
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cTheme Theme;
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if (Theme.Load(FileName, true)) {
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names = (char **)realloc(names, (numThemes + 1) * sizeof(char *));
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names[numThemes] = strdup(Theme.Name());
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fileNames = (char **)realloc(fileNames, (numThemes + 1) * sizeof(char *));
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fileNames[numThemes] = strdup(FileName);
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descriptions = (char **)realloc(descriptions, (numThemes + 1) * sizeof(char *));
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descriptions[numThemes] = strdup(Theme.Description());
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numThemes++;
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}
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}
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}
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}
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closedir(d);
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return numThemes > 0;
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}
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}
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return false;
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}
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int cThemes::GetThemeIndex(const char *Description)
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{
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int index = 0;
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for (int i = 0; i < numThemes; i++) {
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if (strcmp(descriptions[i], Description) == 0)
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return i;
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if (strcmp(descriptions[i], "Default") == 0)
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index = 1;
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}
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return index;
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}
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void cThemes::SetThemesDirectory(const char *ThemesDirectory)
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{
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free(themesDirectory);
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themesDirectory = strdup(ThemesDirectory);
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MakeDirs(themesDirectory, true);
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}
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void cThemes::Load(const char *SkinName, const char *ThemeName, cTheme *Theme)
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{
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char *FileName = NULL;
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asprintf(&FileName, "%s/%s-%s.theme", themesDirectory, SkinName, ThemeName);
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if (access(FileName, F_OK) == 0) // the file exists
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Theme->Load(FileName);
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free(FileName);
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}
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void cThemes::Save(const char *SkinName, cTheme *Theme)
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{
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char *FileName = NULL;
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asprintf(&FileName, "%s/%s-%s.theme", themesDirectory, SkinName, Theme->Name());
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if (access(FileName, F_OK) != 0) // the file does not exist
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Theme->Save(FileName);
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free(FileName);
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}
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