1466 lines
41 KiB
C
1466 lines
41 KiB
C
/* vim: set sw=4 ts=4 sts=4 et: */
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#include "Efreet.h"
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#include "efreet_private.h"
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#define NO_MATCH_KEY ((char *)0xdeadbeef)
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static char *efreet_icon_deprecated_user_dir = NULL;
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static char *efreet_icon_user_dir = NULL;
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static Ecore_Hash *efreet_icon_dirs_cached = NULL;
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static Ecore_Hash *efreet_icon_themes = NULL;
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Ecore_List *efreet_icon_extensions = NULL;
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static Ecore_List *efreet_extra_icon_dirs = NULL;
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static Efreet_Icon *efreet_icon_find_helper(Efreet_Icon_Theme *theme,
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const char *cache_key,
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const char *icon,
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const char *size);
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static Efreet_Icon *efreet_icon_lookup_icon(Efreet_Icon_Theme *theme,
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const char *icon_name,
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const char *size);
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static Efreet_Icon *efreet_icon_fallback_icon(const char *icon_name);
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static Efreet_Icon *efreet_icon_fallback_dir_scan(const char *dir,
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const char *icon_name);
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static Efreet_Icon *efreet_icon_lookup_directory(
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Efreet_Icon_Theme *theme,
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Efreet_Icon_Theme_Directory *dir,
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const char *icon_name);
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static int efreet_icon_directory_size_distance(Efreet_Icon_Theme_Directory *dir,
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unsigned int size);
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static int efreet_icon_directory_size_match(Efreet_Icon_Theme_Directory *dir,
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unsigned int size);
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static Efreet_Icon *efreet_icon_new(const char *path);
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static void efreet_icon_free(Efreet_Icon *icon);
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static void efreet_icon_point_free(Efreet_Icon_Point *point);
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static void efreet_icon_populate(Efreet_Icon *icon, const char *file);
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static Efreet_Icon *efreet_icon_cache_check(Efreet_Icon_Theme *theme,
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const char *name,
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unsigned int size);
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static void *efreet_icon_cache_get(Efreet_Icon_Theme *theme, const char *key);
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static void efreet_icon_cache_set(Efreet_Icon_Theme *theme,
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const char *key, void *value);
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static void efreet_icon_directory_cache(Efreet_Icon_Theme *theme,
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Efreet_Icon_Theme_Directory *dir,
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const char *path);
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static Efreet_Icon_Theme *efreet_icon_theme_new(void);
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static void efreet_icon_theme_free(Efreet_Icon_Theme *theme);
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static void efreet_icon_theme_dir_scan_all(const char *theme_name);
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static void efreet_icon_theme_dir_scan(const char *dir,
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const char *theme_name);
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static void efreet_icon_theme_dir_validity_check(void);
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static void efreet_icon_theme_path_add(Efreet_Icon_Theme *theme,
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const char *path);
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static void efreet_icon_theme_index_read(Efreet_Icon_Theme *theme,
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const char *path);
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static Efreet_Icon_Theme_Directory *efreet_icon_theme_directory_new(Efreet_Ini *ini,
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const char *name);
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static void efreet_icon_theme_directory_free(Efreet_Icon_Theme_Directory *dir);
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static void efreet_icon_theme_cache_check(Efreet_Icon_Theme *theme);
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static int efreet_icon_theme_cache_check_dir(Efreet_Icon_Theme *theme,
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const char *dir);
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/**
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* @internal
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* @return Returns 1 on success or 0 on failure
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* @brief Initializes the icon system
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*/
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int
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efreet_icon_init(void)
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{
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if (!efreet_icon_themes)
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{
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const char *default_exts[] = {".png", ".xpm", NULL};
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int i;
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if (!ecore_init()) return 0;
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/* setup the default extension list */
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efreet_icon_extensions = ecore_list_new();
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ecore_list_set_free_cb(efreet_icon_extensions, free);
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for (i = 0; default_exts[i] != NULL; i++)
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ecore_list_append(efreet_icon_extensions, strdup(default_exts[i]));
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efreet_icon_themes = ecore_hash_new(NULL, NULL);
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ecore_hash_set_free_value(efreet_icon_themes,
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ECORE_FREE_CB(efreet_icon_theme_free));
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efreet_extra_icon_dirs = ecore_list_new();
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}
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return 1;
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}
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/**
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* @internal
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* @return Returns no value
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* @brief Shuts down the icon system
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*/
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void
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efreet_icon_shutdown(void)
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{
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IF_FREE(efreet_icon_user_dir);
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IF_FREE_LIST(efreet_icon_extensions);
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IF_FREE_HASH(efreet_icon_themes);
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IF_FREE_HASH(efreet_icon_dirs_cached);
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IF_FREE_LIST(efreet_extra_icon_dirs);
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ecore_shutdown();
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}
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/**
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* @return Returns the user icon directory
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* @brief Returns the user icon directory
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*/
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const char *
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efreet_icon_deprecated_user_dir_get(void)
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{
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const char *user;
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int len;
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if (efreet_icon_deprecated_user_dir) return efreet_icon_deprecated_user_dir;
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user = efreet_home_dir_get();
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len = strlen(user) + strlen("/.icons") + 1;
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efreet_icon_deprecated_user_dir = malloc(sizeof(char) * len);
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snprintf(efreet_icon_deprecated_user_dir, len, "%s/.icons", user);
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return efreet_icon_deprecated_user_dir;
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}
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const char *
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efreet_icon_user_dir_get(void)
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{
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const char *user;
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int len;
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if (efreet_icon_user_dir) return efreet_icon_user_dir;
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user = efreet_data_home_get();
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len = strlen(user) + strlen("/icons") + 1;
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efreet_icon_user_dir = malloc(sizeof(char) * len);
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snprintf(efreet_icon_user_dir, len, "%s/icons", user);
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return efreet_icon_user_dir;
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}
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/**
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* @param ext: The extension to add to the list of checked extensions
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* @return Returns no value.
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* @brief Adds the given extension to the list of possible icon extensions
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*/
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void
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efreet_icon_extension_add(const char *ext)
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{
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ecore_list_prepend(efreet_icon_extensions, strdup(ext));
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}
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/**
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* @return Returns a list of strings that are paths to other icon directories
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* @brief Gets the list of all extra directories to look for icons. These
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* directories are used to look for icons after looking in the user icon dir
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* and before looking in standard system directories. The order of search is
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* from first to last directory in this list. the strings in the list should
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* be created with ecore_string_instance().
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*/
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Ecore_List *
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efreet_icon_extra_list_get(void)
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{
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return efreet_extra_icon_dirs;
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}
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/**
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* @return Returns a list of Efreet_Icon structs for all the non-hidden icon
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* themes
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* @brief Retrieves all of the non-hidden icon themes available on the system.
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* The returned list must be freed. Do not free the list data.
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*/
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Ecore_List *
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efreet_icon_theme_list_get(void)
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{
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Ecore_List *list, *theme_list;
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char *dir;
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/* update the list to include all icon themes */
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efreet_icon_theme_dir_scan_all(NULL);
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efreet_icon_theme_dir_validity_check();
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/* create the list for the user */
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list = ecore_list_new();
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theme_list = ecore_hash_keys(efreet_icon_themes);
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ecore_list_goto_first(theme_list);
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while ((dir = ecore_list_next(theme_list)))
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{
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Efreet_Icon_Theme *theme;
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theme = ecore_hash_get(efreet_icon_themes, dir);
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if (theme->hidden || theme->fake) continue;
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#ifndef STRICT_SPEC
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if (!theme->name.name) continue;
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#endif
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ecore_list_append(list, theme);
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}
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ecore_list_destroy(theme_list);
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return list;
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}
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/**
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* @param theme_name: The theme to look for
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* @return Returns the icon theme related to the given theme name or NULL if
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* none exists.
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* @brief Tries to get the icon theme structure for the given theme name
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*/
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Efreet_Icon_Theme *
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efreet_icon_theme_find(const char *theme_name)
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{
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const char *key;
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Efreet_Icon_Theme *theme;
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key = ecore_string_instance(theme_name);
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theme = ecore_hash_get(efreet_icon_themes, key);
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if (!theme)
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{
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efreet_icon_theme_dir_scan_all(theme_name);
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theme = ecore_hash_get(efreet_icon_themes, key);
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}
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ecore_string_release(key);
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return theme;
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}
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/**
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* @param theme_name: The icon theme to look for
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* @param icon: The icon to look for
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* @param size; The icon size to look for
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* @return Returns the Efreet_Icon structure representing this icon or NULL
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* if the icon is not found
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* @brief Retrieves all of the information about the given icon.
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*/
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Efreet_Icon *
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efreet_icon_find(const char *theme_name, const char *icon, const char *size)
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{
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const char *share_key;
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char cache_key[PATH_MAX];
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Efreet_Icon *value = NULL;
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Efreet_Icon_Theme *theme;
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const char *key_list[] = { icon, "@", size, NULL };
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theme = efreet_icon_theme_find(theme_name);
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if (!theme)
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{
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theme = efreet_icon_theme_new();
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theme->fake = 1;
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theme->name.internal = ecore_string_instance(theme_name);
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ecore_hash_set(efreet_icon_themes, (void *)theme->name.internal, theme);
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}
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efreet_array_cat(cache_key, sizeof(cache_key), key_list);
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share_key = ecore_string_instance(cache_key);
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#ifdef SLOPPY_SPEC
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{
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char *tmp, *ext;
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tmp = strdup(icon);
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ext = strrchr(tmp, '.');
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if (ext)
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{
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const char *ext2;
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ecore_list_goto_first(efreet_icon_extensions);
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while ((ext2 = ecore_list_next(efreet_icon_extensions)))
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{
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if (!strcmp(ext, ext2))
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{
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#ifdef STRICT_SPEC
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printf("[Efreet]: Requesting an icon with an extension: %s\n", icon);
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#endif
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*ext = '\0';
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break;
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}
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}
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}
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value = efreet_icon_find_helper(theme, share_key, tmp, size);
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free(tmp);
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}
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#else
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value = efreet_icon_find_helper(theme, share_key, icon, size);
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#endif
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/* we didn't find the icon in the theme or in the inherited directories
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* then just look for a non theme icon */
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if (!value) value = efreet_icon_fallback_icon(icon);
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efreet_icon_cache_set(theme, share_key, value);
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if (value == (void *)NO_MATCH_KEY)
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value = NULL;
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return value;
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}
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/**
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* @param theme: The icon theme to look for
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* @param icon: The icon to look for
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* @param size: The icon size to look for
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* @return Returns the path to the given icon or NULL if none found
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* @brief Retrives the path to the given icon.
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*/
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const char *
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efreet_icon_path_find(const char *theme, const char *icon, const char *size)
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{
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Efreet_Icon *ico;
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ico = efreet_icon_find(theme, icon, size);
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return (ico ? ico->path : NULL);
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}
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/**
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* @internal
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* @param theme: The theme to search in
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* @param cache_key: The cache key to use (icon\@sizexsize ecore_string)
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* @param icon: The icon to search for
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* @param size: The size to search for
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* @return Returns the icon matching the given information or NULL if no
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* icon found
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* @brief Scans the theme and any inheriting themes for the given icon
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*/
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static Efreet_Icon *
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efreet_icon_find_helper(Efreet_Icon_Theme *theme, const char *cache_key,
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const char *icon,
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const char *size)
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{
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Efreet_Icon *value;
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static int recurse = 0;
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efreet_icon_theme_cache_check(theme);
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/* see if this is in the cache already */
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value = efreet_icon_cache_get(theme, cache_key);
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if (value) return value;
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/* go no further if this theme is fake */
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if (theme->fake || !theme->valid) return NULL;
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/* limit recursion in finding themes and inherited themes to 256 levels */
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if (recurse > 256) return NULL;
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recurse++;
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value = efreet_icon_lookup_icon(theme, icon, size);
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/* we didin't find the image check the inherited themes */
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if (!value)
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{
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char *parent;
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if (theme->inherits)
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{
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ecore_list_goto_first(theme->inherits);
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while ((parent = ecore_list_next(theme->inherits)))
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{
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Efreet_Icon_Theme *parent_theme;
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parent_theme = efreet_icon_theme_find(parent);
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if ((!parent_theme) || (parent_theme == theme)) continue;
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value = efreet_icon_find_helper(parent_theme, cache_key,
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icon, size);
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if (value) break;
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}
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}
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/* if this isn't the hicolor theme, and we have no other fallbacks
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* check hicolor */
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else if (strcmp(theme->name.internal, "hicolor"))
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{
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Efreet_Icon_Theme *parent_theme;
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parent_theme = efreet_icon_theme_find("hicolor");
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if (parent_theme)
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value = efreet_icon_find_helper(parent_theme, cache_key,
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icon, size);
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}
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}
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recurse--;
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return value;
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}
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/**
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* @internal
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* @param theme: The icon theme to look in
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* @param icon_name: The icon name to look for
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* @param size: The icon size to look for
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* @return Returns the Efreet_Icon for the theme/icon/size combo or NULL if
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* none found
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* @brief Looks for the @a icon in the @a theme for the @a size given.
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*/
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static Efreet_Icon *
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efreet_icon_lookup_icon(Efreet_Icon_Theme *theme, const char *icon_name,
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const char *size)
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{
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Efreet_Icon *icon = NULL, *tmp = NULL;
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Efreet_Icon_Theme_Directory *dir;
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int minimal_size = INT_MAX;
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unsigned int real_size;
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if (!theme || (theme->paths.count == 0) || !icon_name || !size)
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return NULL;
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real_size = atoi(size);
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/* search for allowed size == requested size */
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ecore_list_goto_first(theme->directories);
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while ((dir = ecore_list_next(theme->directories)))
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{
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if (!efreet_icon_directory_size_match(dir, real_size)) continue;
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icon = efreet_icon_lookup_directory(theme, dir,
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icon_name);
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if (icon) return icon;
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}
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/* search for any icon that matches */
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ecore_list_goto_first(theme->directories);
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while ((dir = ecore_list_next(theme->directories)))
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{
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int distance;
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distance = efreet_icon_directory_size_distance(dir, real_size);
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if (distance >= minimal_size) continue;
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tmp = efreet_icon_lookup_directory(theme, dir,
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icon_name);
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if (tmp)
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{
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icon = tmp;
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minimal_size = distance;
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}
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}
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if (icon)
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{
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char cache_key[PATH_MAX];
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const char *key;
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snprintf(cache_key, sizeof(cache_key), "%s@%dx%d", icon_name, real_size, real_size);
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key = ecore_string_instance(cache_key);
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if (!efreet_icon_cache_get(theme, key))
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efreet_icon_cache_set(theme, key, icon);
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else
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ecore_string_release(cache_key);
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}
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return icon;
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}
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/**
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* @internal
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* @param theme: The theme to use
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* @param dir: The theme directory to look in
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* @param icon_name: The icon name to look for
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* @param size: The icon size to look for
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* @return Returns the icon cloest matching the given information or NULL if
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* none found
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* @brief Tries to find the file closest matching the given icon
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*/
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static Efreet_Icon *
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efreet_icon_lookup_directory(Efreet_Icon_Theme *theme,
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Efreet_Icon_Theme_Directory *dir,
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const char *icon_name)
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{
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if (theme->paths.count == 1)
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efreet_icon_directory_cache(theme, dir, theme->paths.path);
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else
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{
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const char *path;
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ecore_list_goto_first(theme->paths.path);
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while ((path = ecore_list_next(theme->paths.path)))
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efreet_icon_directory_cache(theme, dir, path);
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}
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return efreet_icon_cache_check(theme, icon_name, dir->size.normal);
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}
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/**
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* @internal
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* @param dir: The theme directory to work with
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* @param size: The size to check
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* @return Returns true if the size matches for the given directory, 0
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* otherwise
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* @brief Checks if the size matches for the given directory or not
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*/
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static int
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efreet_icon_directory_size_match(Efreet_Icon_Theme_Directory *dir,
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unsigned int size)
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{
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if (dir->type == EFREET_ICON_SIZE_TYPE_FIXED)
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return (dir->size.normal == size);
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if (dir->type == EFREET_ICON_SIZE_TYPE_SCALABLE)
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return ((dir->size.min < size) && (size < dir->size.max));
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|
|
if (dir->type == EFREET_ICON_SIZE_TYPE_THRESHOLD)
|
|
return (((dir->size.normal - dir->size.threshold) < size)
|
|
&& (size < (dir->size.normal + dir->size.threshold)));
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param dir: The directory to work with
|
|
* @param size: The size to check for
|
|
* @return Returns the distance this size is away from the desired size
|
|
* @brief Returns the distance the given size is away from the desired size
|
|
*/
|
|
static int
|
|
efreet_icon_directory_size_distance(Efreet_Icon_Theme_Directory *dir,
|
|
unsigned int size)
|
|
{
|
|
if (dir->type == EFREET_ICON_SIZE_TYPE_FIXED)
|
|
return (abs(dir->size.normal - size));
|
|
|
|
if (dir->type == EFREET_ICON_SIZE_TYPE_SCALABLE)
|
|
{
|
|
if (size < dir->size.min)
|
|
return dir->size.min - size;
|
|
if (dir->size.max < size)
|
|
return size - dir->size.max;
|
|
|
|
return 0;
|
|
}
|
|
|
|
if (dir->type == EFREET_ICON_SIZE_TYPE_THRESHOLD)
|
|
{
|
|
if (size < (dir->size.normal - dir->size.threshold))
|
|
return (dir->size.min - size);
|
|
if ((dir->size.normal + dir->size.threshold) < size)
|
|
return (size - dir->size.max);
|
|
|
|
return 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param icon_name: The icon name to look for
|
|
* @return Returns the Efreet_Icon for the given name or NULL if none found
|
|
* @brief Looks for the un-themed icon in the base directories
|
|
*/
|
|
static Efreet_Icon *
|
|
efreet_icon_fallback_icon(const char *icon_name)
|
|
{
|
|
Efreet_Icon *icon;
|
|
|
|
if (!icon_name) return NULL;
|
|
|
|
icon = efreet_icon_fallback_dir_scan(efreet_icon_deprecated_user_dir_get(), icon_name);
|
|
if (!icon)
|
|
icon = efreet_icon_fallback_dir_scan(efreet_icon_user_dir_get(), icon_name);
|
|
if (!icon)
|
|
{
|
|
Ecore_List *xdg_dirs;
|
|
const char *dir;
|
|
char path[PATH_MAX];
|
|
|
|
ecore_list_goto_first(efreet_extra_icon_dirs);
|
|
while ((dir = ecore_list_next(efreet_extra_icon_dirs)))
|
|
{
|
|
icon = efreet_icon_fallback_dir_scan(dir, icon_name);
|
|
if (icon) return icon;
|
|
}
|
|
|
|
xdg_dirs = efreet_data_dirs_get();
|
|
ecore_list_goto_first(xdg_dirs);
|
|
while ((dir = ecore_list_next(xdg_dirs)))
|
|
{
|
|
snprintf(path, PATH_MAX, "%s/icons", dir);
|
|
icon = efreet_icon_fallback_dir_scan(path, icon_name);
|
|
if (icon) return icon;
|
|
}
|
|
|
|
icon = efreet_icon_fallback_dir_scan("/usr/share/pixmaps", icon_name);
|
|
}
|
|
|
|
return icon;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param dir: The directory to scan
|
|
* @param icon_name: The icon to look for
|
|
* @return Returns the icon for the given name or NULL on failure
|
|
* @brief Scans the given @a dir for the given @a icon_name returning the
|
|
* Efreet_icon if found, NULL otherwise.
|
|
*/
|
|
static Efreet_Icon *
|
|
efreet_icon_fallback_dir_scan(const char *dir, const char *icon_name)
|
|
{
|
|
Efreet_Icon *icon = NULL;
|
|
char path[PATH_MAX], *ext;
|
|
|
|
if (!dir || !icon_name) return NULL;
|
|
|
|
ecore_list_goto_first(efreet_icon_extensions);
|
|
while ((ext = ecore_list_next(efreet_icon_extensions)))
|
|
{
|
|
const char *icon_path[] = { dir, "/", icon_name, ext, NULL };
|
|
efreet_array_cat(path, sizeof(path), icon_path);
|
|
|
|
if (ecore_file_exists(path))
|
|
{
|
|
icon = efreet_icon_new(path);
|
|
if (icon) break;
|
|
}
|
|
}
|
|
/* This is to catch non-conforming .desktop files */
|
|
#ifdef SLOPPY_SPEC
|
|
if (!icon)
|
|
{
|
|
const char *icon_path[] = { dir, "/", icon_name, NULL };
|
|
efreet_array_cat(path, sizeof(path), icon_path);
|
|
|
|
if (ecore_file_exists(path))
|
|
{
|
|
icon = efreet_icon_new(path);
|
|
#ifdef STRICT_SPEC
|
|
if (icon)
|
|
printf("[Efreet]: Found an icon that already has an extension: %s\n", path);
|
|
#endif
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return icon;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param theme: The theme to work with
|
|
* @param dir: The theme directory to work with
|
|
* @param path: The partial path to use
|
|
* @return Returns no value
|
|
* @brief Caches the icons in the given theme directory path at the given
|
|
* size
|
|
*/
|
|
static void
|
|
efreet_icon_directory_cache(Efreet_Icon_Theme *theme,
|
|
Efreet_Icon_Theme_Directory *dir, const char *path)
|
|
{
|
|
char file_path[PATH_MAX], size_str[10];
|
|
const char *dir_key, *path_strs[] = { path, "/", dir->name, NULL };
|
|
DIR *dirp;
|
|
struct dirent *file;
|
|
|
|
/* make sure the cache exists, create if needed */
|
|
if (!efreet_icon_dirs_cached)
|
|
{
|
|
efreet_icon_dirs_cached = ecore_hash_new(NULL, NULL);
|
|
ecore_hash_set_free_key(efreet_icon_dirs_cached,
|
|
ECORE_FREE_CB(ecore_string_release));
|
|
}
|
|
|
|
efreet_array_cat(file_path, sizeof(file_path), path_strs);
|
|
|
|
/* if we've already cached this directory don't do it again */
|
|
dir_key = ecore_string_instance(file_path);
|
|
if (ecore_hash_get(efreet_icon_dirs_cached, dir_key)) return;
|
|
|
|
ecore_hash_set(efreet_icon_dirs_cached, (void *)dir_key, (void *)1);
|
|
|
|
snprintf(size_str, sizeof(size_str), "%d", dir->size.normal);
|
|
dirp = opendir(file_path);
|
|
if (dirp)
|
|
{
|
|
while ((file = readdir(dirp)))
|
|
{
|
|
char key_str[PATH_MAX], *ext, *name;
|
|
const char *key, *name_strs[] = {NULL, "@", size_str, "x", size_str, NULL};
|
|
Efreet_Icon *value;
|
|
|
|
name = strdup(file->d_name);
|
|
name_strs[0] = name;
|
|
|
|
/* Drop the extension to cache icon name */
|
|
ext = strrchr(name, '.');
|
|
if (!ext)
|
|
{
|
|
FREE(name);
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
/* we need to skip .icon files as their used for
|
|
* informational purposes only */
|
|
if (!strcmp(ext, ".icon"))
|
|
{
|
|
FREE(name);
|
|
continue;
|
|
}
|
|
*ext = '\0';
|
|
}
|
|
|
|
efreet_array_cat(key_str, sizeof(key_str), name_strs);
|
|
key = ecore_string_instance(key_str);
|
|
FREE(name);
|
|
|
|
/* Check for an existing cached icon */
|
|
value = ecore_hash_get(theme->icon_cache, key);
|
|
if (value == (void *)NO_MATCH_KEY) value = NULL;
|
|
|
|
if (!value)
|
|
{
|
|
const char *icon_path[] = { path, "/", dir->name, "/", file->d_name, NULL };
|
|
|
|
/* No icon present, build a full path and generate icon */
|
|
efreet_array_cat(file_path, sizeof(file_path), icon_path);
|
|
value = efreet_icon_new(file_path);
|
|
|
|
/* Add icon to cache */
|
|
if (value)
|
|
{
|
|
value->ref_count++;
|
|
ecore_hash_set(theme->icon_cache, (void *)key, value);
|
|
}
|
|
}
|
|
|
|
}
|
|
closedir(dirp);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param theme: The theme to work with
|
|
* @param name: The icon name to look for
|
|
* @param size: The icon size to look for
|
|
* @return Returns the icon in the @a themes cache for @a name and @a size
|
|
* or NULL if none found
|
|
* @brief Looks up the @a name'd icon at @a size in the @a themes cache
|
|
*/
|
|
static Efreet_Icon *
|
|
efreet_icon_cache_check(Efreet_Icon_Theme *theme, const char *name, unsigned int size)
|
|
{
|
|
Efreet_Icon *icon = NULL;
|
|
char size_ext[PATH_MAX];
|
|
|
|
snprintf(size_ext, sizeof(size_ext), "%dx%d", size, size);
|
|
{
|
|
char icon_path[PATH_MAX];
|
|
const char *share_key[] = { name, "@", size_ext, NULL };
|
|
const char *cache_key;
|
|
|
|
efreet_array_cat(icon_path, sizeof(icon_path), share_key);
|
|
cache_key = ecore_string_instance(icon_path);
|
|
icon = efreet_icon_cache_get(theme, cache_key);
|
|
}
|
|
|
|
return icon;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param theme: The theme to get the icon from
|
|
* @param key: The key to lookup in the cache. The key must be an
|
|
* ecore_string.
|
|
* @return Returns the icon for the given key or NULL if none found.
|
|
* @brief Retrives the icon for the given @a key or NULL if no icon for that key.
|
|
*/
|
|
static void *
|
|
efreet_icon_cache_get(Efreet_Icon_Theme *theme, const char *key)
|
|
{
|
|
return ecore_hash_get(theme->icon_cache, key);
|
|
}
|
|
|
|
/**
|
|
* @param theme: The theme to work with
|
|
* @param key: The key to cache, this key must be an ecore_string
|
|
* @param value: The value to hash for the given key
|
|
* @return Returns no value
|
|
* @brief Adds the given @a value into the @a themes hash for @a key
|
|
*/
|
|
static void
|
|
efreet_icon_cache_set(Efreet_Icon_Theme *theme, const char *key, void *value)
|
|
{
|
|
/* add back to the cache */
|
|
/* XXX this is a bit inefficient as I'll end up adding back to the cache
|
|
* even if I found the item in the cache. Not a big deal at the moment
|
|
* tho. */
|
|
if (!value)
|
|
ecore_hash_set(theme->icon_cache, (void *)key, NO_MATCH_KEY);
|
|
else
|
|
{
|
|
if (value != NO_MATCH_KEY) ((Efreet_Icon *)value)->ref_count ++;
|
|
|
|
ecore_hash_set(theme->icon_cache, (void *)key, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @return Returns a new Efreet_Icon struct on success or NULL on failure
|
|
* @brief Creates a new Efreet_Icon struct
|
|
*/
|
|
static Efreet_Icon *
|
|
efreet_icon_new(const char *path)
|
|
{
|
|
Efreet_Icon *icon;
|
|
char *p;
|
|
|
|
icon = NEW(Efreet_Icon, 1);
|
|
icon->path = strdup(path);
|
|
|
|
/* load the .icon file if it's available */
|
|
p = strrchr(icon->path, '.');
|
|
if (p)
|
|
{
|
|
char ico_path[PATH_MAX];
|
|
|
|
*p = '\0';
|
|
|
|
snprintf(ico_path, sizeof(ico_path), "%s.icon", icon->path);
|
|
*p = '.';
|
|
|
|
if (ecore_file_exists(ico_path))
|
|
efreet_icon_populate(icon, ico_path);
|
|
}
|
|
|
|
if (!icon->name)
|
|
{
|
|
const char *file;
|
|
|
|
file = ecore_file_get_file(icon->path);
|
|
p = strrchr(icon->path, '.');
|
|
if (p) *p = '\0';
|
|
icon->name = strdup(file);
|
|
if (p) *p = '.';
|
|
}
|
|
|
|
return icon;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param icon: The Efreet_Icon to cleanup
|
|
* @return Returns no value.
|
|
* @brief Free's the given icon and all its internal data.
|
|
*/
|
|
static void
|
|
efreet_icon_free(Efreet_Icon *icon)
|
|
{
|
|
if (!icon || (icon == (void *)NO_MATCH_KEY)) return;
|
|
|
|
icon->ref_count --;
|
|
if (icon->ref_count > 0) return;
|
|
|
|
IF_FREE(icon->path);
|
|
IF_FREE(icon->name);
|
|
IF_FREE_LIST(icon->attach_points);
|
|
|
|
FREE(icon);
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param point: The Efreet_Icon_Point to free
|
|
* @return Returns no value
|
|
* @brief Frees the given structure
|
|
*/
|
|
static void
|
|
efreet_icon_point_free(Efreet_Icon_Point *point)
|
|
{
|
|
if (!point) return;
|
|
|
|
FREE(point);
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param icon: The icon to populate
|
|
* @param file: The file to populate from
|
|
* @return Returns no value
|
|
* @brief Tries to populate the icon information from the given file
|
|
*/
|
|
static void
|
|
efreet_icon_populate(Efreet_Icon *icon, const char *file)
|
|
{
|
|
Efreet_Ini *ini;
|
|
const char *tmp;
|
|
|
|
ini = efreet_ini_new(file);
|
|
if (!ini->data)
|
|
{
|
|
efreet_ini_free(ini);
|
|
return;
|
|
}
|
|
|
|
efreet_ini_section_set(ini, "Icon Data");
|
|
tmp = efreet_ini_localestring_get(ini, "DisplayName");
|
|
if (tmp) icon->name = strdup(tmp);
|
|
|
|
tmp = efreet_ini_string_get(ini, "EmbeddedTextRectangle");
|
|
if (tmp)
|
|
{
|
|
int points[4];
|
|
char *t, *s, *p;
|
|
int i;
|
|
|
|
t = strdup(tmp);
|
|
s = t;
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
if (s)
|
|
{
|
|
p = strchr(s, ',');
|
|
|
|
if (p) *p = '\0';
|
|
points[i] = atoi(s);
|
|
|
|
if (p) s = ++p;
|
|
else s = NULL;
|
|
}
|
|
else
|
|
{
|
|
points[i] = 0;
|
|
}
|
|
}
|
|
|
|
icon->has_embedded_text_rectangle = 1;
|
|
icon->embedded_text_rectangle.x0 = points[0];
|
|
icon->embedded_text_rectangle.y0 = points[1];
|
|
icon->embedded_text_rectangle.x1 = points[2];
|
|
icon->embedded_text_rectangle.y1 = points[3];
|
|
|
|
FREE(t);
|
|
}
|
|
|
|
tmp = efreet_ini_string_get(ini, "AttachPoints");
|
|
if (tmp)
|
|
{
|
|
char *t, *s, *p;
|
|
|
|
icon->attach_points = ecore_list_new();
|
|
ecore_list_set_free_cb(icon->attach_points,
|
|
ECORE_FREE_CB(efreet_icon_point_free));
|
|
|
|
t = strdup(tmp);
|
|
s = t;
|
|
p = t;
|
|
while (s)
|
|
{
|
|
Efreet_Icon_Point *point;
|
|
|
|
p = strchr(s, ',');
|
|
/* If this happens there is something wrong with the .icon file */
|
|
if (!p) break;
|
|
|
|
point = NEW(Efreet_Icon_Point, 1);
|
|
|
|
*p = '\0';
|
|
point->x = atoi(s);
|
|
|
|
s = ++p;
|
|
p = strchr(s, '|');
|
|
if (p) *p = '\0';
|
|
|
|
point->y = atoi(s);
|
|
ecore_list_append(icon->attach_points, point);
|
|
|
|
if (p) s = ++p;
|
|
else s = NULL;
|
|
}
|
|
FREE(t);
|
|
}
|
|
|
|
efreet_ini_free(ini);
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @return Returns a new Efreet_Icon_Theme on success or NULL on failure
|
|
* @brief Creates a new Efreet_Icon_Theme structure
|
|
*/
|
|
static Efreet_Icon_Theme *
|
|
efreet_icon_theme_new(void)
|
|
{
|
|
Efreet_Icon_Theme *theme;
|
|
|
|
theme = NEW(Efreet_Icon_Theme, 1);
|
|
|
|
return theme;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param theme: The theme to free
|
|
* @return Returns no value
|
|
* @brief Frees up the @a theme structure.
|
|
*/
|
|
static void
|
|
efreet_icon_theme_free(Efreet_Icon_Theme *theme)
|
|
{
|
|
if (!theme) return;
|
|
|
|
IF_RELEASE(theme->name.internal);
|
|
IF_RELEASE(theme->name.name);
|
|
|
|
IF_FREE(theme->comment);
|
|
IF_FREE(theme->example_icon);
|
|
|
|
if (theme->paths.count == 1)
|
|
IF_FREE(theme->paths.path)
|
|
else
|
|
IF_FREE_LIST(theme->paths.path)
|
|
|
|
IF_FREE_LIST(theme->inherits);
|
|
IF_FREE_LIST(theme->directories);
|
|
|
|
IF_FREE_HASH(theme->icon_cache);
|
|
|
|
FREE(theme);
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param theme: The theme to work with
|
|
* @param path: The path to add
|
|
* @return Returns no value
|
|
* @brief This will correctly add the given path to the list of theme paths.
|
|
* @Note Assumes you've already verified that @a path is a valid directory.
|
|
*/
|
|
static void
|
|
efreet_icon_theme_path_add(Efreet_Icon_Theme *theme, const char *path)
|
|
{
|
|
if (!theme || !path) return;
|
|
|
|
if (theme->paths.count == 0)
|
|
theme->paths.path = strdup(path);
|
|
|
|
else if (theme->paths.count > 1)
|
|
ecore_list_append(theme->paths.path, strdup(path));
|
|
|
|
else
|
|
{
|
|
char *old;
|
|
|
|
old = theme->paths.path;
|
|
theme->paths.path = ecore_list_new();
|
|
ecore_list_set_free_cb(theme->paths.path, free);
|
|
|
|
ecore_list_append(theme->paths.path, old);
|
|
ecore_list_append(theme->paths.path, strdup(path));
|
|
}
|
|
theme->paths.count ++;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @return Returns no value
|
|
* @brief This validates that our cache is still valid.
|
|
*
|
|
* This is checked by the following algorithm:
|
|
* - if we've check less then 5 seconds ago we're good
|
|
* - if the mtime on the dir is less then our last check time we're good
|
|
* - otherwise, invalidate the caches
|
|
*/
|
|
static void
|
|
efreet_icon_theme_cache_check(Efreet_Icon_Theme *theme)
|
|
{
|
|
double new_check;
|
|
|
|
new_check = ecore_time_get();
|
|
|
|
/* we're within 5 seconds of the last time we checked the cache */
|
|
if ((new_check - 5) <= theme->last_cache_check) return;
|
|
|
|
if (theme->fake)
|
|
efreet_icon_theme_dir_scan_all(theme->name.internal);
|
|
|
|
else if (theme->paths.count == 1)
|
|
efreet_icon_theme_cache_check_dir(theme, theme->paths.path);
|
|
|
|
else if (theme->paths.count > 1)
|
|
{
|
|
char *path;
|
|
|
|
ecore_list_goto_first(theme->paths.path);
|
|
while ((path = ecore_list_next(theme->paths.path)))
|
|
{
|
|
if (!efreet_icon_theme_cache_check_dir(theme, path))
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* When the cache is invalided it will delete the cache. Make sure we
|
|
* have a cache before we finish */
|
|
if (!theme->icon_cache)
|
|
{
|
|
theme->icon_cache = ecore_hash_new(NULL, NULL);
|
|
ecore_hash_set_free_key(theme->icon_cache,
|
|
ECORE_FREE_CB(ecore_string_release));
|
|
ecore_hash_set_free_value(theme->icon_cache,
|
|
ECORE_FREE_CB(efreet_icon_free));
|
|
}
|
|
|
|
theme->last_cache_check = new_check;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param theme: The icon theme to check
|
|
* @param dir: The directory to check
|
|
* @return Returns 1 if the cache is still valid, 0 otherwise
|
|
* @brief This will check if the theme cache is still valid. If it isn't the
|
|
* cache will be invalided and 0 returned.
|
|
*/
|
|
static int
|
|
efreet_icon_theme_cache_check_dir(Efreet_Icon_Theme *theme, const char *dir)
|
|
{
|
|
struct stat buf;
|
|
|
|
/* have we modified this directory since our last cache check? */
|
|
if (stat(dir, &buf) || (buf.st_mtime > theme->last_cache_check))
|
|
{
|
|
if (efreet_icon_dirs_cached)
|
|
ecore_hash_remove(efreet_icon_dirs_cached, dir);
|
|
IF_FREE_HASH(theme->icon_cache);
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param theme_name: The theme to scan for
|
|
* @return Returns no value
|
|
* @brief Scans the theme directories. If @a theme_name is NULL it will load
|
|
* up all theme data. If @a theme_name is not NULL it will look for that
|
|
* specific theme data
|
|
*/
|
|
static void
|
|
efreet_icon_theme_dir_scan_all(const char *theme_name)
|
|
{
|
|
Ecore_List *xdg_dirs;
|
|
char path[PATH_MAX], *dir;
|
|
|
|
efreet_icon_theme_dir_scan(efreet_icon_deprecated_user_dir_get(), theme_name);
|
|
efreet_icon_theme_dir_scan(efreet_icon_user_dir_get(), theme_name);
|
|
|
|
xdg_dirs = efreet_data_dirs_get();
|
|
ecore_list_goto_first(xdg_dirs);
|
|
while ((dir = ecore_list_next(xdg_dirs)))
|
|
{
|
|
snprintf(path, sizeof(path), "%s/icons", dir);
|
|
efreet_icon_theme_dir_scan(path, theme_name);
|
|
}
|
|
|
|
efreet_icon_theme_dir_scan("/usr/share/pixmaps", theme_name);
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param search_dir: The directory to scan
|
|
* @param theme_name: Scan for this specific theme, set to NULL to find all
|
|
* themes.
|
|
* @return Returns no value
|
|
* @brief Scans the given directory and adds non-hidden icon themes to the
|
|
* given list. If the theme isnt' in our cache then load the index.theme and
|
|
* add to the cache.
|
|
*/
|
|
static void
|
|
efreet_icon_theme_dir_scan(const char *search_dir, const char *theme_name)
|
|
{
|
|
DIR *dirs;
|
|
struct dirent *dir;
|
|
|
|
if (!search_dir) return;
|
|
|
|
dirs = opendir(search_dir);
|
|
if (!dirs) return;
|
|
|
|
while ((dir = readdir(dirs)))
|
|
{
|
|
Efreet_Icon_Theme *theme;
|
|
char path[PATH_MAX];
|
|
const char *key;
|
|
|
|
if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) continue;
|
|
|
|
/* only care if this is a directory or the theme name matches the
|
|
* given name */
|
|
snprintf(path, sizeof(path), "%s/%s", search_dir, dir->d_name);
|
|
if (((theme_name != NULL) && (strcmp(theme_name, dir->d_name)))
|
|
|| !ecore_file_is_dir(path))
|
|
continue;
|
|
|
|
key = ecore_string_instance(dir->d_name);
|
|
theme = ecore_hash_get(efreet_icon_themes, key);
|
|
|
|
if (!theme)
|
|
{
|
|
theme = efreet_icon_theme_new();
|
|
theme->name.internal = key;
|
|
ecore_hash_set(efreet_icon_themes,
|
|
(void *)theme->name.internal, theme);
|
|
}
|
|
else
|
|
{
|
|
if (theme->fake)
|
|
theme->fake = 0;
|
|
ecore_string_release(key);
|
|
}
|
|
|
|
efreet_icon_theme_path_add(theme, path);
|
|
|
|
/* we're already valid so no reason to check for an index.theme file */
|
|
if (theme->valid) continue;
|
|
|
|
/* if the index.theme file exists we parse it into the theme */
|
|
strncat(path, "/index.theme", sizeof(path));
|
|
if (ecore_file_exists(path))
|
|
efreet_icon_theme_index_read(theme, path);
|
|
}
|
|
closedir(dirs);
|
|
|
|
/* if we were given a theme name we want to make sure that that given
|
|
* theme is valid before finishing, unless it's a fake theme */
|
|
if (theme_name)
|
|
{
|
|
Efreet_Icon_Theme *theme;
|
|
|
|
theme = ecore_hash_get(efreet_icon_themes, theme_name);
|
|
if (theme && !theme->valid && !theme->fake)
|
|
{
|
|
ecore_hash_remove(efreet_icon_themes, theme_name);
|
|
efreet_icon_theme_free(theme);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param theme: The theme to set the values into
|
|
* @param path: The path to the index.theme file for this theme
|
|
* @return Returns no value
|
|
* @brief This will load up the theme with the data in the index.theme file
|
|
*/
|
|
static void
|
|
efreet_icon_theme_index_read(Efreet_Icon_Theme *theme, const char *path)
|
|
{
|
|
Efreet_Ini *ini;
|
|
const char *tmp;
|
|
|
|
if (!theme || !path) return;
|
|
|
|
ini = efreet_ini_new(path);
|
|
if (!ini->data)
|
|
{
|
|
efreet_ini_free(ini);
|
|
return;
|
|
}
|
|
|
|
efreet_ini_section_set(ini, "Icon Theme");
|
|
tmp = efreet_ini_localestring_get(ini, "Name");
|
|
if (tmp) theme->name.name = ecore_string_instance(tmp);
|
|
|
|
tmp = efreet_ini_localestring_get(ini, "Comment");
|
|
if (tmp) theme->comment = strdup(tmp);
|
|
|
|
tmp = efreet_ini_string_get(ini, "Example");
|
|
if (tmp) theme->example_icon = strdup(tmp);
|
|
|
|
theme->hidden = efreet_ini_boolean_get(ini, "Hidden");
|
|
|
|
theme->valid = 1;
|
|
|
|
/* Check the inheritance. If there is none we inherit from the hicolor theme */
|
|
tmp = efreet_ini_string_get(ini, "Inherits");
|
|
if (tmp)
|
|
{
|
|
char *t, *s, *p;
|
|
|
|
theme->inherits = ecore_list_new();
|
|
ecore_list_set_free_cb(theme->inherits, free);
|
|
|
|
t = strdup(tmp);
|
|
s = t;
|
|
p = strchr(s, ',');
|
|
|
|
while (p)
|
|
{
|
|
*p = '\0';
|
|
|
|
ecore_list_append(theme->inherits, strdup(s));
|
|
s = ++p;
|
|
p = strchr(s, ',');
|
|
}
|
|
ecore_list_append(theme->inherits, strdup(s));
|
|
|
|
FREE(t);
|
|
}
|
|
|
|
/* make sure this one is done last as setting the directory will change
|
|
* the ini section ... */
|
|
tmp = efreet_ini_string_get(ini, "Directories");
|
|
if (tmp)
|
|
{
|
|
char *t, *s, *p;
|
|
int last = 0;
|
|
|
|
theme->directories = ecore_list_new();
|
|
ecore_list_set_free_cb(theme->directories,
|
|
ECORE_FREE_CB(efreet_icon_theme_directory_free));
|
|
|
|
t = strdup(tmp);
|
|
s = t;
|
|
p = s;
|
|
|
|
while (!last)
|
|
{
|
|
p = strchr(s, ',');
|
|
|
|
if (!p) last = 1;
|
|
else *p = '\0';
|
|
|
|
ecore_list_append(theme->directories,
|
|
efreet_icon_theme_directory_new(ini, s));
|
|
|
|
if (!last) s = ++p;
|
|
}
|
|
|
|
FREE(t);
|
|
}
|
|
|
|
efreet_ini_free(ini);
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @return Returns no value
|
|
* @brief Because the theme icon directories can be spread over multiple
|
|
* base directories we may need to create the icon theme strucutre before
|
|
* finding the index.theme file. It may also be that we never find an
|
|
* index.theme file as this isn't a valid theme. This function makes sure
|
|
* that everything we've got in our hash has a valid key to it.
|
|
*/
|
|
static void
|
|
efreet_icon_theme_dir_validity_check(void)
|
|
{
|
|
Ecore_List *keys;
|
|
const char *name;
|
|
|
|
keys = ecore_hash_keys(efreet_icon_themes);
|
|
ecore_list_goto_first(keys);
|
|
while ((name = ecore_list_next(keys)))
|
|
{
|
|
Efreet_Icon_Theme *theme;
|
|
|
|
theme = ecore_hash_get(efreet_icon_themes, name);
|
|
if (!theme->valid && !theme->fake)
|
|
{
|
|
ecore_hash_remove(efreet_icon_themes, name);
|
|
efreet_icon_theme_free(theme);
|
|
}
|
|
}
|
|
ecore_list_destroy(keys);
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param ini: The ini file with information on this directory
|
|
* @param name: The name of the directory
|
|
* @return Returns a new Efreet_Icon_Theme_Directory based on the
|
|
* information in @a ini.
|
|
* @brief Creates and initialises an icon theme directory from the given ini
|
|
* information
|
|
*/
|
|
static Efreet_Icon_Theme_Directory *
|
|
efreet_icon_theme_directory_new(Efreet_Ini *ini, const char *name)
|
|
{
|
|
Efreet_Icon_Theme_Directory *dir;
|
|
int val;
|
|
const char *tmp;
|
|
|
|
if (!ini) return NULL;
|
|
|
|
dir = NEW(Efreet_Icon_Theme_Directory, 1);
|
|
dir->name = strdup(name);
|
|
|
|
efreet_ini_section_set(ini, name);
|
|
|
|
tmp = efreet_ini_string_get(ini, "Context");
|
|
if (tmp)
|
|
{
|
|
if (!strcasecmp(tmp, "Actions"))
|
|
dir->context = EFREET_ICON_THEME_CONTEXT_ACTIONS;
|
|
|
|
else if (!strcasecmp(tmp, "Devices"))
|
|
dir->context = EFREET_ICON_THEME_CONTEXT_DEVICES;
|
|
|
|
else if (!strcasecmp(tmp, "FileSystems"))
|
|
dir->context = EFREET_ICON_THEME_CONTEXT_FILESYSTEMS;
|
|
|
|
else if (!strcasecmp(tmp, "MimeTypes"))
|
|
dir->context = EFREET_ICON_THEME_CONTEXT_MIMETYPES;
|
|
}
|
|
|
|
tmp = efreet_ini_string_get(ini, "Type");
|
|
if (tmp)
|
|
{
|
|
if (!strcasecmp(tmp, "Fixed"))
|
|
dir->type = EFREET_ICON_SIZE_TYPE_FIXED;
|
|
|
|
else if (!strcasecmp(tmp, "Scalable"))
|
|
dir->type = EFREET_ICON_SIZE_TYPE_SCALABLE;
|
|
|
|
else if (!strcasecmp(tmp, "Threshold"))
|
|
dir->type = EFREET_ICON_SIZE_TYPE_THRESHOLD;
|
|
}
|
|
|
|
dir->size.normal = efreet_ini_int_get(ini, "Size");
|
|
|
|
val = efreet_ini_int_get(ini, "MinSize");
|
|
if (val < 0) dir->size.min = dir->size.normal;
|
|
else dir->size.min = val;
|
|
|
|
val = efreet_ini_int_get(ini, "MaxSize");
|
|
if (val < 0) dir->size.max = dir->size.normal;
|
|
else dir->size.max = val;
|
|
|
|
val = efreet_ini_int_get(ini, "Threshold");
|
|
if (val < 0) dir->size.threshold = 2;
|
|
else dir->size.threshold = val;
|
|
|
|
return dir;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
* @param dir: The Efreet_Icon_Theme_Directory to free
|
|
* @return Returns no value
|
|
* @brief Frees the given directory @a dir
|
|
*/
|
|
static void
|
|
efreet_icon_theme_directory_free(Efreet_Icon_Theme_Directory *dir)
|
|
{
|
|
if (!dir) return;
|
|
|
|
IF_FREE(dir->name);
|
|
FREE(dir);
|
|
}
|
|
|