X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Ftint2;a=blobdiff_plain;f=src%2Flauncher%2Flauncher.c;h=75388f1099b24fd9ee9975382610049336b7a8a6;hp=d338d96e425d309c0cf9594b9b05ecc0925c0a44;hb=9daa525aab5dfb62788865e4cbe4d92ddf055e93;hpb=488f613b4efdd0a0116c1bb6dde545ca3e5bb20e diff --git a/src/launcher/launcher.c b/src/launcher/launcher.c index d338d96..75388f1 100644 --- a/src/launcher/launcher.c +++ b/src/launcher/launcher.c @@ -36,6 +36,16 @@ int launcher_enabled; int launcher_max_icon_size; GSList *icon_themes = 0; +#define ICON_FALLBACK "exec" + +char *icon_path(Launcher *launcher, const char *icon_name, int size); +void launcher_load_themes(Launcher *launcher); +void free_desktop_entry(DesktopEntry *entry); +int launcher_read_desktop_file(const char *path, DesktopEntry *entry); +Imlib_Image scale_icon(Imlib_Image original, int icon_size); +void free_icon(Imlib_Image icon); +void free_icon_theme(IconTheme *theme); + void default_launcher() { launcher_enabled = 0; @@ -60,8 +70,12 @@ void init_launcher_panel(void *p) launcher->area._resize = resize_launcher; launcher->area.resize = 1; launcher->area.redraw = 1; - launcher->area.on_screen = 1; + // check consistency + if (launcher->list_apps == NULL) + return; + + launcher->area.on_screen = 1; if (panel_horizontal) { // panel horizonal => fixed height and posy launcher->area.posy = panel->area.bg->border.width + panel->area.paddingy; @@ -73,19 +87,25 @@ void init_launcher_panel(void *p) launcher->area.width = panel->area.width - (2 * panel->area.bg->border.width) - (2 * panel->area.paddingy); } - // Load icons - { - GSList* path = launcher->list_icon_paths; - GSList* cmd = launcher->list_cmds; - while (path != NULL && cmd != NULL) - { - LauncherIcon *launcherIcon = malloc(sizeof(LauncherIcon)); - launcherIcon->icon = imlib_load_image(path->data); - launcherIcon->cmd = strdup(cmd->data); + fprintf(stderr, "Loading themes...\n"); + launcher_load_themes(launcher); + fprintf(stderr, "Done\n"); + + // Load apps (.desktop style launcher items) + GSList* app = launcher->list_apps; + while (app != NULL) { + DesktopEntry entry; + launcher_read_desktop_file(app->data, &entry); + if (entry.exec) { + LauncherIcon *launcherIcon = calloc(1, sizeof(LauncherIcon)); + launcherIcon->is_app_desktop = 1; + launcherIcon->cmd = strdup(entry.exec); + launcherIcon->icon_name = entry.icon ? strdup(entry.icon) : strdup(ICON_FALLBACK); + launcherIcon->icon_size = 1; + free_desktop_entry(&entry); launcher->list_icons = g_slist_append(launcher->list_icons, launcherIcon); - path = g_slist_next(path); - cmd = g_slist_next(cmd); } + app = g_slist_next(app); } } @@ -101,27 +121,40 @@ void cleanup_launcher() GSList *l; for (l = launcher->list_icons; l ; l = l->next) { LauncherIcon *launcherIcon = (LauncherIcon*)l->data; - if (launcherIcon && launcherIcon->icon) { - imlib_context_set_image (launcherIcon->icon); - imlib_free_image(); + if (launcherIcon) { + free_icon(launcherIcon->icon_scaled); + free_icon(launcherIcon->icon_original); + free(launcherIcon->icon_name); + free(launcherIcon->icon_path); + free(launcherIcon->cmd); } - free(launcherIcon->cmd); free(launcherIcon); } g_slist_free(launcher->list_icons); - for (l = launcher->list_icon_paths; l ; l = l->next) { + + for (l = launcher->list_apps; l ; l = l->next) { free(l->data); } - g_slist_free(launcher->list_icon_paths); - for (l = launcher->list_cmds; l ; l = l->next) { + g_slist_free(launcher->list_apps); + + for (l = launcher->icon_themes; l ; l = l->next) { + IconTheme *theme = (IconTheme*) l->data; + free_icon_theme(theme); + free(theme); + } + g_slist_free(launcher->icon_themes); + + for (l = launcher->icon_theme_names; l ; l = l->next) { free(l->data); } - g_slist_free(launcher->list_cmds); + g_slist_free(launcher->icon_theme_names); + launcher->list_apps = launcher->list_icons = launcher->icon_theme_names = launcher->icon_themes = NULL; } launcher_enabled = 0; } -void resize_launcher(void *obj) + +int resize_launcher(void *obj) { Launcher *launcher = obj; Panel *panel = launcher->area.panel; @@ -136,6 +169,48 @@ void resize_launcher(void *obj) icon_size = icon_size - (2 * launcher->area.bg->border.width) - (2 * launcher->area.paddingy); if (launcher_max_icon_size > 0 && icon_size > launcher_max_icon_size) icon_size = launcher_max_icon_size; + + // Resize icons if necessary + for (l = launcher->list_icons; l ; l = l->next) { + LauncherIcon *launcherIcon = (LauncherIcon *)l->data; + if (launcherIcon->icon_size != icon_size || !launcherIcon->icon_original) { + launcherIcon->icon_size = icon_size; + // Get the path for an icon file with the new size + char *new_icon_path = icon_path(launcher, launcherIcon->icon_name, launcherIcon->icon_size); + if (!new_icon_path) { + // Draw a blank icon + free_icon(launcherIcon->icon_original); + launcherIcon->icon_original = NULL; + free_icon(launcherIcon->icon_scaled); + launcherIcon->icon_scaled = NULL; + new_icon_path = icon_path(launcher, ICON_FALLBACK, launcherIcon->icon_size); + if (new_icon_path) { + launcherIcon->icon_original = imlib_load_image(new_icon_path); + fprintf(stderr, "%s %d: Using icon %s\n", __FILE__, __LINE__, new_icon_path); + free(new_icon_path); + } + launcherIcon->icon_scaled = scale_icon(launcherIcon->icon_original, icon_size); + continue; + } + if (launcherIcon->icon_path && strcmp(new_icon_path, launcherIcon->icon_path) == 0) { + // If it's the same file just rescale + free_icon(launcherIcon->icon_scaled); + launcherIcon->icon_scaled = scale_icon(launcherIcon->icon_original, icon_size); + free(new_icon_path); + fprintf(stderr, "%s %d: Using icon %s\n", __FILE__, __LINE__, launcherIcon->icon_path); + } else { + // Free the old files + free_icon(launcherIcon->icon_original); + free_icon(launcherIcon->icon_scaled); + // Load the new file and scale + launcherIcon->icon_original = imlib_load_image(new_icon_path); + launcherIcon->icon_scaled = scale_icon(launcherIcon->icon_original, launcherIcon->icon_size); + free(launcherIcon->icon_path); + launcherIcon->icon_path = new_icon_path; + fprintf(stderr, "%s %d: Using icon %s\n", __FILE__, __LINE__, launcherIcon->icon_path); + } + } + } count = 0; for (l = launcher->list_icons; l ; l = l->next) { @@ -152,9 +227,6 @@ void resize_launcher(void *obj) icons_per_row = count / icons_per_column + (count%icons_per_column != 0); launcher->area.width = (2 * launcher->area.bg->border.width) + (2 * launcher->area.paddingxlr) + (icon_size * icons_per_row) + ((icons_per_row-1) * launcher->area.paddingx); } - - launcher->area.posx = panel->area.bg->border.width + panel->area.paddingxlr; - launcher->area.posy = panel->area.bg->border.width; } else { if (!count) launcher->area.height = 0; @@ -166,9 +238,6 @@ void resize_launcher(void *obj) icons_per_column = count / icons_per_row+ (count%icons_per_row != 0); launcher->area.height = (2 * launcher->area.bg->border.width) + (2 * launcher->area.paddingxlr) + (icon_size * icons_per_column) + ((icons_per_column-1) * launcher->area.paddingx); } - - launcher->area.posx = panel->area.bg->border.width; - launcher->area.posy = panel->area.height - panel->area.bg->border.width - panel->area.paddingxlr - launcher->area.height; } int i, posx, posy; @@ -187,8 +256,6 @@ void resize_launcher(void *obj) launcherIcon->y = posy; launcherIcon->x = posx; - launcherIcon->width = icon_size; - launcherIcon->height = icon_size; if (panel_horizontal) { if (i % icons_per_column) posy += icon_size + launcher->area.paddingx; @@ -206,9 +273,7 @@ void resize_launcher(void *obj) } } } - - // resize force the redraw - launcher->area.redraw = 1; + return 1; } @@ -222,19 +287,7 @@ void draw_launcher(void *obj, cairo_t *c) LauncherIcon *launcherIcon = (LauncherIcon*)l->data; int pos_x = launcherIcon->x; int pos_y = launcherIcon->y; - int width = launcherIcon->width; - int height = launcherIcon->height; - Imlib_Image icon_scaled; - if (launcherIcon->icon) { - imlib_context_set_image (launcherIcon->icon); - icon_scaled = imlib_create_cropped_scaled_image(0, 0, imlib_image_get_width(), imlib_image_get_height(), width, height); - } else { - icon_scaled = imlib_create_image(width, height); - imlib_context_set_image (icon_scaled); - imlib_context_set_color(255, 255, 255, 255); - imlib_image_fill_rectangle(0, 0, width, height); - } - + Imlib_Image icon_scaled = launcherIcon->icon_scaled; // Render imlib_context_set_image (icon_scaled); if (server.real_transparency) { @@ -244,6 +297,28 @@ void draw_launcher(void *obj, cairo_t *c) imlib_context_set_drawable(launcher->area.pix); imlib_render_image_on_drawable (pos_x, pos_y); } + } +} + +Imlib_Image scale_icon(Imlib_Image original, int icon_size) +{ + Imlib_Image icon_scaled; + if (original) { + imlib_context_set_image (original); + icon_scaled = imlib_create_cropped_scaled_image(0, 0, imlib_image_get_width(), imlib_image_get_height(), icon_size, icon_size); + } else { + icon_scaled = imlib_create_image(icon_size, icon_size); + imlib_context_set_image (icon_scaled); + imlib_context_set_color(255, 255, 255, 255); + imlib_image_fill_rectangle(0, 0, icon_size, icon_size); + } + return icon_scaled; +} + +void free_icon(Imlib_Image icon) +{ + if (icon) { + imlib_context_set_image(icon); imlib_free_image(); } } @@ -260,6 +335,8 @@ void launcher_action(LauncherIcon *icon) /* http://standards.freedesktop.org/desktop-entry-spec/ */ /* http://standards.freedesktop.org/icon-theme-spec/ */ +// Splits line at first '=' and returns 1 if successful, and parts are not empty +// key and value point to the parts int parse_dektop_line(char *line, char **key, char **value) { char *p; @@ -280,6 +357,11 @@ int parse_dektop_line(char *line, char **key, char **value) return 1; } +int parse_theme_line(char *line, char **key, char **value) +{ + return parse_dektop_line(line, key, value); +} + void expand_exec(DesktopEntry *entry, const char *path) { // Expand % in exec @@ -287,7 +369,7 @@ void expand_exec(DesktopEntry *entry, const char *path) // %c -> Name // %k -> path if (entry->exec) { - char *exec2 = malloc(strlen(entry->exec) + strlen(entry->name) + strlen(entry->icon) + 100); + char *exec2 = malloc(strlen(entry->exec) + (entry->name ? strlen(entry->name) : 1) + (entry->icon ? strlen(entry->icon) : 1) + 100); char *p, *q; // p will never point to an escaped char for (p = entry->exec, q = exec2; *p; p++, q++) { @@ -332,46 +414,31 @@ void expand_exec(DesktopEntry *entry, const char *path) } } +//TODO Use UTF8 when parsing the file int launcher_read_desktop_file(const char *path, DesktopEntry *entry) { FILE *fp; char line[4096]; - char *buffer; char *key, *value; entry->name = entry->icon = entry->exec = NULL; - if ((fp = fopen(path, "r")) == NULL) { + if ((fp = fopen(path, "rt")) == NULL) { fprintf(stderr, "Could not open file %s\n", path); return 0; } - buffer = line; - while (fgets(buffer, sizeof(line) - (buffer - line), fp) != NULL) { - //TODO use UTF8 capable strlen - int len = strlen(buffer); - int total_len = strlen(line); - if (!g_utf8_validate(buffer, total_len, NULL)) { - // Not a real newline, read more - buffer += len; - if (sizeof(line) - (buffer - line) < 2) { - fprintf(stderr, "%s %d: line too long (%s)\n", __FILE__, __LINE__, path); - break; - } else { - continue; - } - } - // We have a valid line - buffer[len-1] = '\0'; - buffer = line; + while (fgets(line, sizeof(line), fp) != NULL) { + int len = strlen(line); + if (len == 0) + continue; + line[len - 1] = '\0'; if (parse_dektop_line(line, &key, &value)) { if (strcmp(key, "Name") == 0) { - //TODO use UTF-8 capable strdup entry->name = strdup(value); } else if (strcmp(key, "Exec") == 0) { entry->exec = strdup(value); } else if (strcmp(key, "Icon") == 0) { - //TODO use UTF-8 capable strdup entry->icon = strdup(value); } } @@ -385,100 +452,469 @@ int launcher_read_desktop_file(const char *path, DesktopEntry *entry) return 1; } +void free_desktop_entry(DesktopEntry *entry) +{ + free(entry->name); + free(entry->icon); + free(entry->exec); +} + void test_launcher_read_desktop_file() { + fprintf(stdout, "\033[1;33m"); DesktopEntry entry; launcher_read_desktop_file("/usr/share/applications/firefox.desktop", &entry); printf("Name:%s Icon:%s Exec:%s\n", entry.name, entry.icon, entry.exec); + fprintf(stdout, "\033[0m"); } +//TODO Use UTF8 when parsing the file IconTheme *load_theme(char *name) { - //TODO // Look for name/index.theme in $HOME/.icons, /usr/share/icons, /usr/share/pixmaps (stop at the first found) // Parse index.theme -> list of IconThemeDir with attributes - // Return IconTheme struct - return NULL; + // Return IconTheme* + + IconTheme *theme; + char *file_name; + FILE *f; + char line[2048]; + + if (name == NULL) + return NULL; + + fprintf(stderr, "Loading icon theme %s\n", name); + + file_name = malloc(100 + strlen(name)); + sprintf(file_name, "~/.icons/%s/index.theme", name); + if (!g_file_test(file_name, G_FILE_TEST_EXISTS)) { + sprintf(file_name, "/usr/share/icons/%s/index.theme", name); + if (!g_file_test(file_name, G_FILE_TEST_EXISTS)) { + sprintf(file_name, "/usr/share/pixmaps/%s/index.theme", name); + if (!g_file_test(file_name, G_FILE_TEST_EXISTS)) { + free(file_name); + file_name = NULL; + } + } + } + if (!file_name) { + fprintf(stderr, "Could not load theme %s\n", name); + return NULL; + } + + if ((f = fopen(file_name, "rt")) == NULL) + return NULL; + + free(file_name); + + theme = calloc(1, sizeof(IconTheme)); + theme->name = strdup(name); + theme->list_inherits = NULL; + theme->list_directories = NULL; + + IconThemeDir *current_dir = NULL; + int inside_header = 1; + while (fgets(line, sizeof(line), f) != NULL) { + char *key, *value; + + int line_len = strlen(line); + if (line_len >= 1) { + if (line[line_len - 1] == '\n') { + line[line_len - 1] = '\0'; + line_len--; + } + } + + if (line_len == 0) + continue; + + if (inside_header) { + if (parse_theme_line(line, &key, &value)) { + if (strcmp(key, "Inherits") == 0) { + // value is like oxygen,wood,default + char *token; + token = strtok(value, ",\n"); + while (token != NULL) + { + theme->list_inherits = g_slist_append(theme->list_inherits, strdup(token)); + token = strtok(NULL, ",\n"); + } + } else if (strcmp(key, "Directories") == 0) { + // value is like 48x48/apps,48x48/mimetypes,32x32/apps,scalable/apps,scalable/mimetypes + char *token; + token = strtok(value, ",\n"); + while (token != NULL) + { + IconThemeDir *dir = calloc(1, sizeof(IconThemeDir)); + dir->name = strdup(token); + dir->max_size = dir->min_size = dir->size = -1; + dir->type = ICON_DIR_TYPE_THRESHOLD; + dir->threshold = 2; + theme->list_directories = g_slist_append(theme->list_directories, dir); + token = strtok(NULL, ",\n"); + } + } + } + } else if (current_dir != NULL) { + if (parse_theme_line(line, &key, &value)) { + if (strcmp(key, "Size") == 0) { + // value is like 24 + sscanf(value, "%d", ¤t_dir->size); + if (current_dir->max_size == -1) + current_dir->max_size = current_dir->size; + if (current_dir->min_size == -1) + current_dir->min_size = current_dir->size; + } else if (strcmp(key, "MaxSize") == 0) { + // value is like 24 + sscanf(value, "%d", ¤t_dir->max_size); + } else if (strcmp(key, "MinSize") == 0) { + // value is like 24 + sscanf(value, "%d", ¤t_dir->min_size); + } else if (strcmp(key, "Threshold") == 0) { + // value is like 2 + sscanf(value, "%d", ¤t_dir->threshold); + } else if (strcmp(key, "Type") == 0) { + // value is Fixed, Scalable or Threshold + if (strcmp(value, "Fixed") == 0) { + current_dir->type = ICON_DIR_TYPE_FIXED; + } else if (strcmp(value, "Scalable") == 0) { + current_dir->type = ICON_DIR_TYPE_SCALABLE; + } else if (strcmp(value, "Threshold") == 0) { + current_dir->type = ICON_DIR_TYPE_THRESHOLD; + } + } else if (strcmp(key, "Context") == 0) { + // usual values: Actions, Applications, Devices, FileSystems, MimeTypes + current_dir->context = strdup(value); + } + } + } + + if (line[0] == '[' && line[line_len - 1] == ']' && strcmp(line, "[Icon Theme]") != 0) { + inside_header = 0; + current_dir = NULL; + line[line_len - 1] = '\0'; + char *dir_name = line + 1; + GSList* dir_item = theme->list_directories; + while (dir_item != NULL) + { + IconThemeDir *dir = dir_item->data; + if (strcmp(dir->name, dir_name) == 0) { + current_dir = dir; + break; + } + dir_item = g_slist_next(dir_item); + } + } + } + fclose(f); + + return theme; } -// Populates the icon_themes list -void launcher_load_themes() +void free_icon_theme(IconTheme *theme) { - //TODO load the user theme, all the inherited themes recursively (DFS), and the hicolor theme - // avoid inheritance loops + free(theme->name); + GSList *l_inherits; + for (l_inherits = theme->list_inherits; l_inherits ; l_inherits = l_inherits->next) { + free(l_inherits->data); + } + GSList *l_dir; + for (l_dir = theme->list_directories; l_dir ; l_dir = l_dir->next) { + IconThemeDir *dir = (IconThemeDir *)l_dir->data; + free(dir->name); + free(dir->context); + free(l_dir->data); + } } -// Returns the full path to an icon file (or NULL) given the icon name -char *icon_path(const char *name) +void test_launcher_read_theme_file() { - //TODO - /* - -// Stage 1: exact size match -LookupIcon (iconname, size): -for each subdir in $(theme subdir list) { // <---- each subdir in each theme - for each directory in $(basename list) { - for extension in ("png", "svg", "xpm") { - if DirectoryMatchesSize(subdir, size) { - filename = directory/$(themename)/subdirectory/iconname.extension - if exist filename - return filename -} -} -} + fprintf(stdout, "\033[1;33m"); + IconTheme *theme = load_theme("oxygen"); + if (!theme) { + printf("Could not load theme\n"); + return; + } + printf("Loaded theme: %s\n", theme->name); + GSList* item = theme->list_inherits; + while (item != NULL) + { + printf("Inherits:%s\n", (char*)item->data); + item = g_slist_next(item); + } + item = theme->list_directories; + while (item != NULL) + { + IconThemeDir *dir = item->data; + printf("Dir:%s Size=%d MinSize=%d MaxSize=%d Threshold=%d Type=%s Context=%s\n", + dir->name, dir->size, dir->min_size, dir->max_size, dir->threshold, + dir->type == ICON_DIR_TYPE_FIXED ? "Fixed" : + dir->type == ICON_DIR_TYPE_SCALABLE ? "Scalable" : + dir->type == ICON_DIR_TYPE_THRESHOLD ? "Threshold" : "?????", + dir->context); + item = g_slist_next(item); + } + fprintf(stdout, "\033[0m"); } -// Stage 2: best size match -minimal_size = MAXINT -for each subdir in $(theme subdir list) { // <---- each subdir in each theme - for each directory in $(basename list) { - for extension in ("png", "svg", "xpm") { - filename = directory/$(themename)/subdirectory/iconname.extension - if exist filename and DirectorySizeDistance(subdir, size) < minimal_size - closest_filename = filename - minimal_size = DirectorySizeDistance(subdir, size) +// Populates the icon_themes list +void launcher_load_themes(Launcher *launcher) +{ + // load the user theme, all the inherited themes recursively (DFS), and the hicolor theme + // avoid inheritance loops + + GSList *queue = NULL; + GSList *queued = NULL; + + GSList* icon_theme_name_item; + for (icon_theme_name_item = launcher->icon_theme_names; icon_theme_name_item; icon_theme_name_item = g_slist_next(icon_theme_name_item)) { + int duplicate = 0; + GSList* queued_item = queued; + while (queued_item != NULL) { + if (strcmp(queued_item->data, icon_theme_name_item->data) == 0) { + duplicate = 1; + break; + } + queued_item = g_slist_next(queued_item); + } + if (!duplicate) { + queue = g_slist_append(queue, strdup(icon_theme_name_item->data)); + queued = g_slist_append(queued, strdup(icon_theme_name_item->data)); + } + } + + int hicolor_loaded = 0; + while (queue || !hicolor_loaded) { + if (!queue) { + GSList* queued_item = queued; + while (queued_item != NULL) { + if (strcmp(queued_item->data, "hicolor") == 0) { + hicolor_loaded = 1; + break; + } + queued_item = g_slist_next(queued_item); + } + if (hicolor_loaded) + break; + queue = g_slist_append(queue, strdup("hicolor")); + queued = g_slist_append(queued, strdup("hicolor")); + } + + char *name = queue->data; + queue = g_slist_remove(queue, name); + + IconTheme *theme = load_theme(name); + if (theme != NULL) { + launcher->icon_themes = g_slist_append(launcher->icon_themes, theme); + + GSList* item = theme->list_inherits; + int pos = 0; + while (item != NULL) + { + char *parent = item->data; + int duplicate = 0; + GSList* queued_item = queued; + while (queued_item != NULL) { + if (strcmp(queued_item->data, parent) == 0) { + duplicate = 1; + break; + } + queued_item = g_slist_next(queued_item); + } + if (!duplicate) { + queue = g_slist_insert(queue, strdup(parent), pos); + pos++; + queued = g_slist_append(queued, strdup(parent)); + } + item = g_slist_next(item); + } + } + } + + // Free the queue + GSList *l; + for (l = queue; l ; l = l->next) + free(l->data); + g_slist_free(queue); + for (l = queued; l ; l = l->next) + free(l->data); + g_slist_free(queued); } + +int directory_matches_size(IconThemeDir *dir, int size) +{ + if (dir->type == ICON_DIR_TYPE_FIXED) { + return dir->size == size; + } else if (dir->type == ICON_DIR_TYPE_SCALABLE) { + return dir->min_size <= size && size <= dir->max_size; + } else /*if (dir->type == ICON_DIR_TYPE_THRESHOLD)*/ { + return dir->size - dir->threshold <= size && size <= dir->size + dir->threshold; + } } + +int directory_size_distance(IconThemeDir *dir, int size) +{ + if (dir->type == ICON_DIR_TYPE_FIXED) { + return abs(dir->size - size); + } else if (dir->type == ICON_DIR_TYPE_SCALABLE) { + if (size < dir->min_size) { + return dir->min_size - size; + } else if (size > dir->max_size) { + return size - dir->max_size; + } else { + return 0; + } + } else /*if (dir->type == ICON_DIR_TYPE_THRESHOLD)*/ { + if (size < dir->size - dir->threshold) { + return dir->min_size - size; + } else if (size > dir->size + dir->threshold) { + return size - dir->max_size; + } else { + return 0; + } + } } -if closest_filename set - return closest_filename - -// Stage 3: look in unthemed icons -for each directory in $(basename list) { // <---- $HOME/.icons, /usr/share/icons, /usr/share/pixmaps - for extension in ("png", "svg", "xpm") { - if exists directory/iconname.extension - return directory/iconname.extension - } - } - - return failed icon lookup - -// With the following helper functions: - -DirectoryMatchesSize(subdir, iconsize): -read Type and size data from subdir -if Type is Fixed -return Size == iconsize -if Type is Scaled -return MinSize <= iconsize <= MaxSize -if Type is Threshold -return Size - Threshold <= iconsize <= Size + Threshold - -DirectorySizeDistance(subdir, size): -read Type and size data from subdir -if Type is Fixed -return abs(Size - iconsize) -if Type is Scaled -if iconsize < MinSize -return MinSize - iconsize -if iconsize > MaxSize -return iconsize - MaxSize -return 0 -if Type is Threshold -if iconsize < Size - Threshold -return MinSize - iconsize -if iconsize > Size + Threshold -return iconsize - MaxSize -return 0 - */ + +// Returns the full path to an icon file (or NULL) given the icon name +char *icon_path(Launcher *launcher, const char *icon_name, int size) +{ + if (icon_name == NULL) + return NULL; + + // If the icon_name is already a path and the file exists, return it + if (strstr(icon_name, "/") == icon_name) { + if (g_file_test(icon_name, G_FILE_TEST_EXISTS)) + return strdup(icon_name); + else + return NULL; + } + + GSList *basenames = NULL; + basenames = g_slist_append(basenames, "~/.icons"); + basenames = g_slist_append(basenames, "/usr/share/icons"); + basenames = g_slist_append(basenames, "/usr/share/pixmaps"); + + GSList *extensions = NULL; + extensions = g_slist_append(extensions, "png"); + extensions = g_slist_append(extensions, "xpm"); + + // Stage 1: exact size match + GSList *theme; + for (theme = launcher->icon_themes; theme; theme = g_slist_next(theme)) { + GSList *dir; + for (dir = ((IconTheme*)theme->data)->list_directories; dir; dir = g_slist_next(dir)) { + if (directory_matches_size((IconThemeDir*)dir->data, size)) { + GSList *base; + for (base = basenames; base; base = g_slist_next(base)) { + GSList *ext; + for (ext = extensions; ext; ext = g_slist_next(ext)) { + char *base_name = (char*) base->data; + char *theme_name = ((IconTheme*)theme->data)->name; + char *dir_name = ((IconThemeDir*)dir->data)->name; + char *extension = (char*) ext->data; + char *file_name = malloc(strlen(base_name) + strlen(theme_name) + + strlen(dir_name) + strlen(icon_name) + strlen(extension) + 100); + // filename = directory/$(themename)/subdirectory/iconname.extension + sprintf(file_name, "%s/%s/%s/%s.%s", base_name, theme_name, dir_name, icon_name, extension); + //printf("checking %s\n", file_name); + if (g_file_test(file_name, G_FILE_TEST_EXISTS)) { + g_slist_free(basenames); + g_slist_free(extensions); + return file_name; + } else { + free(file_name); + file_name = NULL; + } + } + } + } + } + } + + // Stage 2: best size match + // Contrary to the freedesktop spec, we are not choosing the closest icon in size, but the next larger icon + // otherwise the quality is usually crap (for size 22, if you can choose 16 or 32, you're better with 32) + // We do fallback to the closest size if we cannot find a larger or equal icon + int minimal_size = INT_MAX; + char *best_file_name = NULL; + int next_larger_size = -1; + char *next_larger = NULL; + for (theme = launcher->icon_themes; theme; theme = g_slist_next(theme)) { + GSList *dir; + for (dir = ((IconTheme*)theme->data)->list_directories; dir; dir = g_slist_next(dir)) { + GSList *base; + for (base = basenames; base; base = g_slist_next(base)) { + GSList *ext; + for (ext = extensions; ext; ext = g_slist_next(ext)) { + char *base_name = (char*) base->data; + char *theme_name = ((IconTheme*)theme->data)->name; + char *dir_name = ((IconThemeDir*)dir->data)->name; + char *extension = (char*) ext->data; + char *file_name = malloc(strlen(base_name) + strlen(theme_name) + + strlen(dir_name) + strlen(icon_name) + strlen(extension) + 100); + // filename = directory/$(themename)/subdirectory/iconname.extension + sprintf(file_name, "%s/%s/%s/%s.%s", base_name, theme_name, dir_name, icon_name, extension); + if (g_file_test(file_name, G_FILE_TEST_EXISTS)) { + if (directory_size_distance((IconThemeDir*)dir->data, size) < minimal_size) { + if (best_file_name) { + free(best_file_name); + best_file_name = NULL; + } + best_file_name = strdup(file_name); + minimal_size = directory_size_distance((IconThemeDir*)dir->data, size); + } + if (((IconThemeDir*)dir->data)->size >= size && (next_larger_size == -1 || ((IconThemeDir*)dir->data)->size < next_larger_size)) { + if (next_larger) { + free(next_larger); + next_larger = NULL; + } + next_larger = strdup(file_name); + next_larger_size = ((IconThemeDir*)dir->data)->size; + } + } + free(file_name); + } + } + } + } + if (next_larger) { + g_slist_free(basenames); + g_slist_free(extensions); + free(best_file_name); + return next_larger; + } + if (best_file_name) { + g_slist_free(basenames); + g_slist_free(extensions); + return best_file_name; + } + + // Stage 3: look in unthemed icons + { + GSList *base; + for (base = basenames; base; base = g_slist_next(base)) { + GSList *ext; + for (ext = extensions; ext; ext = g_slist_next(ext)) { + char *base_name = (char*) base->data; + char *extension = (char*) ext->data; + char *file_name = malloc(strlen(base_name) + strlen(icon_name) + + strlen(extension) + 100); + // filename = directory/iconname.extension + sprintf(file_name, "%s/%s.%s", base_name, icon_name, extension); + //printf("checking %s\n", file_name); + if (g_file_test(file_name, G_FILE_TEST_EXISTS)) { + g_slist_free(basenames); + g_slist_free(extensions); + return file_name; + } else { + free(file_name); + file_name = NULL; + } + } + } + } + + fprintf(stderr, "Could not find icon %s\n", icon_name); + + return NULL; }