/* mate-theme-info.c - MATE Theme information * * Copyright (C) 2002 Jonathan Blandford * Copyright (C) 2011 Perberos * All rights reserved. * * This file is part of the Mate Library. * * The Mate Library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * The Mate Library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with the Mate Library; see the file COPYING.LIB. If not, * write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include #include #include #include #include "mate-theme-info.h" #include "gtkrc-utils.h" #include #define THEME_NAME "X-GNOME-Metatheme/Name" #define THEME_COMMENT "X-GNOME-Metatheme/Comment" #define GTK_THEME_KEY "X-GNOME-Metatheme/GtkTheme" #define GTK_COLOR_SCHEME_KEY "X-GNOME-Metatheme/GtkColorScheme" #define MARCO_THEME_KEY "X-GNOME-Metatheme/MetacityTheme" #define ICON_THEME_KEY "X-GNOME-Metatheme/IconTheme" #define CURSOR_THEME_KEY "X-GNOME-Metatheme/CursorTheme" #define NOTIFICATION_THEME_KEY "X-GNOME-Metatheme/NotificationTheme" #define CURSOR_SIZE_KEY "X-GNOME-Metatheme/CursorSize" #define SOUND_THEME_KEY "X-GNOME-Metatheme/SoundTheme" #define APPLICATION_FONT_KEY "X-GNOME-Metatheme/ApplicationFont" #define DOCUMENTS_FONT_KEY "X-GNOME-Metatheme/DocumentsFont" #define DESKTOP_FONT_KEY "X-GNOME-Metatheme/DesktopFont" #define WINDOWTITLE_FONT_KEY "X-GNOME-Metatheme/WindowTitleFont" #define MONOSPACE_FONT_KEY "X-GNOME-Metatheme/MonospaceFont" #define BACKGROUND_IMAGE_KEY "X-GNOME-Metatheme/BackgroundImage" #define HIDDEN_KEY "X-GNOME-Metatheme/Hidden" /* Terminology used in this lib: * * /usr/share/themes, ~/.themes -- top_theme_dir * top_theme_dir/theme_name/ -- common_theme_dir * /usr/share/icons, ~/.icons -- top_icon_theme_dir * top_icon_theme_dir/theme_name/ -- icon_common_theme_dir * */ typedef struct _ThemeCallbackData { ThemeChangedCallback func; gpointer data; } ThemeCallbackData; typedef struct { GFileMonitor* common_theme_dir_handle; GFileMonitor* gtk2_dir_handle; GFileMonitor* keybinding_dir_handle; GFileMonitor* marco_dir_handle; gint priority; } CommonThemeDirMonitorData; typedef struct { GFileMonitor* common_icon_theme_dir_handle; gint priority; } CommonIconThemeDirMonitorData; typedef struct { GHashTable* handle_hash; gint priority; } CallbackTuple; /* Hash tables */ /* The hashes_by_dir are indexed by an escaped uri of the common_theme_dir that * that particular theme is part of. The data pointed to by them is a * MateTheme{Meta,Icon,}Info struct. Note that the uri is of the form * "file:///home/username/.themes/foo", and not "/home/username/.themes/foo" */ /* The hashes_by_name are hashed by the index of the theme. The data pointed to * by them is a GList whose data elements are MateTheme{Meta,Icon,}Info * structs. This is because a theme can be found both in the users ~/.theme as * well as globally in $prefix. All access to them must be done via helper * functions. */ static GList* callbacks = NULL; static GHashTable* meta_theme_hash_by_uri; static GHashTable* meta_theme_hash_by_name; static GHashTable* icon_theme_hash_by_uri; static GHashTable* icon_theme_hash_by_name; static GHashTable* cursor_theme_hash_by_uri; static GHashTable* cursor_theme_hash_by_name; static GHashTable* theme_hash_by_uri; static GHashTable* theme_hash_by_name; static gboolean initting = FALSE; /* private functions */ static gint safe_strcmp(const gchar* a_str, const gchar* b_str) { if (a_str && b_str) { return strcmp(a_str, b_str); } else { return a_str - b_str; } } static GFileType get_file_type (GFile *file) { GFileType file_type = G_FILE_TYPE_UNKNOWN; GFileInfo *file_info; file_info = g_file_query_info (file, G_FILE_ATTRIBUTE_STANDARD_TYPE, G_FILE_QUERY_INFO_NONE, NULL, NULL); if (file_info != NULL) { file_type = g_file_info_get_file_type (file_info); g_object_unref (file_info); } return file_type; } static void add_theme_to_hash_by_name (GHashTable *hash_table, gpointer data) { MateThemeCommonInfo *info = data; GList *list; list = g_hash_table_lookup (hash_table, info->name); if (list == NULL) { list = g_list_append (list, info); } else { GList *list_ptr = list; gboolean added = FALSE; while (list_ptr) { gint theme_priority; theme_priority = ((MateThemeCommonInfo *) list_ptr->data)->priority; if (theme_priority == info->priority) { /* Swap it in */ list_ptr->data = info; added = TRUE; break; } else if (theme_priority > info->priority) { list = g_list_insert_before (list, list_ptr, info); added = TRUE; break; } list_ptr = list_ptr->next; } if (!added) list = g_list_append (list, info); } g_hash_table_insert (hash_table, g_strdup (info->name), list); } static void remove_theme_from_hash_by_name (GHashTable *hash_table, gpointer data) { MateThemeCommonInfo *info = data; GList *list; list = g_hash_table_lookup (hash_table, info->name); list = g_list_remove (list, info); if (list == NULL) g_hash_table_remove (hash_table, info->name); else g_hash_table_insert (hash_table, g_strdup (info->name), list); } static MateThemeCommonInfo * get_theme_from_hash_by_name (GHashTable *hash_table, const gchar *name, gint priority) { GList *list; list = g_hash_table_lookup (hash_table, name); /* -1 implies return the first one */ if (priority == -1) { return list ? list->data : NULL; } while (list) { MateThemeCommonInfo *info = (MateThemeCommonInfo *) list->data; if (info->priority == priority) return info; list = list->next; } return NULL; } static gint theme_compare (MateThemeCommonInfo *a, MateThemeCommonInfo *b) { gint cmp; g_return_val_if_fail (a->type == b->type, a->type - b->type); switch (a->type) { case MATE_THEME_TYPE_METATHEME: cmp = mate_theme_meta_info_compare ( (MateThemeMetaInfo *) a, (MateThemeMetaInfo *) b); break; case MATE_THEME_TYPE_ICON: cmp = mate_theme_icon_info_compare ( (MateThemeIconInfo *) a, (MateThemeIconInfo *) b); break; case MATE_THEME_TYPE_CURSOR: cmp = mate_theme_cursor_info_compare ( (MateThemeCursorInfo *) a, (MateThemeCursorInfo *) b); break; default: /* not supported at this time */ g_assert_not_reached (); } return cmp; } static void theme_free (MateThemeCommonInfo *info) { switch (info->type) { case MATE_THEME_TYPE_METATHEME: mate_theme_meta_info_free ((MateThemeMetaInfo *) info); break; case MATE_THEME_TYPE_ICON: mate_theme_icon_info_free ((MateThemeIconInfo *) info); break; case MATE_THEME_TYPE_REGULAR: mate_theme_info_free ((MateThemeInfo *) info); break; case MATE_THEME_TYPE_CURSOR: mate_theme_cursor_info_free ((MateThemeCursorInfo *) info); break; default: g_assert_not_reached (); } } GQuark mate_theme_info_error_quark(void) { return g_quark_from_static_string("mate-theme-info-error-quark"); } MateThemeMetaInfo* mate_theme_read_meta_theme(GFile* meta_theme_uri) { MateThemeMetaInfo* meta_theme_info; GFile* common_theme_dir_uri; MateDesktopItem* meta_theme_ditem; gchar* meta_theme_file; const gchar* str; gchar* scheme; meta_theme_file = g_file_get_uri(meta_theme_uri); meta_theme_ditem = mate_desktop_item_new_from_uri(meta_theme_file, 0, NULL); g_free(meta_theme_file); if (meta_theme_ditem == NULL) return NULL; common_theme_dir_uri = g_file_get_parent(meta_theme_uri); meta_theme_info = mate_theme_meta_info_new(); meta_theme_info->path = g_file_get_path(meta_theme_uri); meta_theme_info->name = g_file_get_basename(common_theme_dir_uri); g_object_unref(common_theme_dir_uri); str = mate_desktop_item_get_localestring(meta_theme_ditem, THEME_NAME); if (!str) { str = mate_desktop_item_get_localestring(meta_theme_ditem, MATE_DESKTOP_ITEM_NAME); if (!str) { /* shouldn't reach */ mate_theme_meta_info_free(meta_theme_info); return NULL; } } meta_theme_info->readable_name = g_strdup(str); str = mate_desktop_item_get_localestring(meta_theme_ditem, THEME_COMMENT); if (str == NULL) str = mate_desktop_item_get_localestring(meta_theme_ditem, MATE_DESKTOP_ITEM_COMMENT); if (str != NULL) meta_theme_info->comment = g_strdup(str); str = mate_desktop_item_get_string(meta_theme_ditem, MATE_DESKTOP_ITEM_ICON); if (str != NULL) meta_theme_info->icon_file = g_strdup(str); str = mate_desktop_item_get_string(meta_theme_ditem, GTK_THEME_KEY); if (str == NULL) { mate_theme_meta_info_free(meta_theme_info); return NULL; } meta_theme_info->gtk_theme_name = g_strdup(str); str = mate_desktop_item_get_string(meta_theme_ditem, GTK_COLOR_SCHEME_KEY); if (str == NULL || str[0] == '\0') scheme = gtkrc_get_color_scheme_for_theme(meta_theme_info->gtk_theme_name); else scheme = g_strdup(str); if (scheme != NULL) { meta_theme_info->gtk_color_scheme = scheme; for (; *scheme != '\0'; scheme++) if (*scheme == ',') *scheme = '\n'; } str = mate_desktop_item_get_string (meta_theme_ditem, MARCO_THEME_KEY); if (str == NULL) { mate_theme_meta_info_free (meta_theme_info); return NULL; } meta_theme_info->marco_theme_name = g_strdup (str); str = mate_desktop_item_get_string(meta_theme_ditem, ICON_THEME_KEY); if (str == NULL) { mate_theme_meta_info_free(meta_theme_info); return NULL; } meta_theme_info->icon_theme_name = g_strdup(str); str = mate_desktop_item_get_string(meta_theme_ditem, NOTIFICATION_THEME_KEY); if (str != NULL) meta_theme_info->notification_theme_name = g_strdup(str); str = mate_desktop_item_get_string(meta_theme_ditem, CURSOR_THEME_KEY); if (str != NULL) { meta_theme_info->cursor_theme_name = g_strdup(str); str = mate_desktop_item_get_string(meta_theme_ditem, CURSOR_SIZE_KEY); if (str) meta_theme_info->cursor_size = (int) g_ascii_strtoll(str, NULL, 10); else meta_theme_info->cursor_size = 24; } else { meta_theme_info->cursor_theme_name = g_strdup("default"); meta_theme_info->cursor_size = 24; } str = mate_desktop_item_get_string(meta_theme_ditem, APPLICATION_FONT_KEY); if (str != NULL) meta_theme_info->application_font = g_strdup(str); str = mate_desktop_item_get_string(meta_theme_ditem, DOCUMENTS_FONT_KEY); if (str != NULL) meta_theme_info->documents_font = g_strdup(str); str = mate_desktop_item_get_string(meta_theme_ditem, DESKTOP_FONT_KEY); if (str != NULL) meta_theme_info->desktop_font = g_strdup(str); str = mate_desktop_item_get_string(meta_theme_ditem, WINDOWTITLE_FONT_KEY); if (str != NULL) meta_theme_info->windowtitle_font = g_strdup(str); str = mate_desktop_item_get_string(meta_theme_ditem, MONOSPACE_FONT_KEY); if (str != NULL) meta_theme_info->monospace_font = g_strdup(str); str = mate_desktop_item_get_string(meta_theme_ditem, BACKGROUND_IMAGE_KEY); if (str != NULL) meta_theme_info->background_image = g_strdup(str); meta_theme_info->hidden = mate_desktop_item_get_boolean(meta_theme_ditem, HIDDEN_KEY); mate_desktop_item_unref(meta_theme_ditem); return meta_theme_info; } static MateThemeIconInfo * read_icon_theme (GFile *icon_theme_uri) { MateThemeIconInfo *icon_theme_info; MateDesktopItem *icon_theme_ditem; gchar *icon_theme_file; gchar *dir_name; const gchar *name; const gchar *directories; icon_theme_file = g_file_get_uri (icon_theme_uri); icon_theme_ditem = mate_desktop_item_new_from_uri (icon_theme_file, 0, NULL); g_free (icon_theme_file); if (icon_theme_ditem == NULL) return NULL; name = mate_desktop_item_get_localestring (icon_theme_ditem, "Icon Theme/Name"); if (!name) { name = mate_desktop_item_get_localestring (icon_theme_ditem, MATE_DESKTOP_ITEM_NAME); if (!name) { mate_desktop_item_unref (icon_theme_ditem); return NULL; } } /* If index.theme has no Directories entry, it is only a cursor theme */ directories = mate_desktop_item_get_string (icon_theme_ditem, "Icon Theme/Directories"); if (directories == NULL) { mate_desktop_item_unref (icon_theme_ditem); return NULL; } icon_theme_info = mate_theme_icon_info_new (); icon_theme_info->readable_name = g_strdup (name); icon_theme_info->path = g_file_get_path (icon_theme_uri); icon_theme_info->hidden = mate_desktop_item_get_boolean (icon_theme_ditem, "Icon Theme/Hidden"); dir_name = g_path_get_dirname (icon_theme_info->path); icon_theme_info->name = g_path_get_basename (dir_name); g_free (dir_name); mate_desktop_item_unref (icon_theme_ditem); return icon_theme_info; } static void add_default_cursor_theme (void) { MateThemeCursorInfo *theme_info; theme_info = mate_theme_cursor_info_new (); theme_info->path = g_strdup ("builtin"); theme_info->name = g_strdup ("default"); theme_info->readable_name = g_strdup (_("Default Pointer")); theme_info->sizes = g_array_sized_new (FALSE, FALSE, sizeof (gint), 0); g_hash_table_insert (cursor_theme_hash_by_uri, theme_info->path, theme_info); add_theme_to_hash_by_name (cursor_theme_hash_by_name, theme_info); } static GdkPixbuf * gdk_pixbuf_from_xcursor_image (XcursorImage *cursor) { GdkPixbuf *pixbuf; #define BUF_SIZE sizeof(guint32) * cursor->width * cursor->height guchar *buf = g_malloc0 (BUF_SIZE); guchar *it; for (it = buf; it < (buf + BUF_SIZE); it += 4) { #if G_BYTE_ORDER == G_LITTLE_ENDIAN /* on little endianess it's BGRA to RGBA */ it[0] = ((guchar *) (cursor->pixels))[it - buf + 2]; it[1] = ((guchar *) (cursor->pixels))[it - buf + 1]; it[2] = ((guchar *) (cursor->pixels))[it - buf + 0]; it[3] = ((guchar *) (cursor->pixels))[it - buf + 3]; #else /* on big endianess it's ARGB to RGBA */ it[0] = ((guchar *) cursor->pixels)[it - buf + 1]; it[1] = ((guchar *) cursor->pixels)[it - buf + 2]; it[2] = ((guchar *) cursor->pixels)[it - buf + 3]; it[3] = ((guchar *) cursor->pixels)[it - buf + 0]; #endif } pixbuf = gdk_pixbuf_new_from_data ((const guchar *) buf, GDK_COLORSPACE_RGB, TRUE, 8, cursor->width, cursor->height, cursor->width * 4, (GdkPixbufDestroyNotify) g_free, NULL); if (!pixbuf) g_free (buf); return pixbuf; } static MateThemeCursorInfo * read_cursor_theme (GFile *cursor_theme_uri) { MateThemeCursorInfo *cursor_theme_info = NULL; GFile *parent_uri, *cursors_uri; const gint filter_sizes[] = { 12, 16, 18, 24, 32, 36, 40, 48, 64, 96, 128 }; const gint num_sizes = G_N_ELEMENTS (filter_sizes); parent_uri = g_file_get_parent (cursor_theme_uri); cursors_uri = g_file_get_child (parent_uri, "cursors"); if (get_file_type (cursors_uri) == G_FILE_TYPE_DIRECTORY) { GArray *sizes; XcursorImage *cursor; GdkPixbuf *thumbnail = NULL; gchar *name; gint i; name = g_file_get_basename (parent_uri); sizes = g_array_sized_new (FALSE, FALSE, sizeof (gint), num_sizes); for (i = 0; i < num_sizes; ++i) { cursor = XcursorLibraryLoadImage ("left_ptr", name, filter_sizes[i]); if (cursor) { if (cursor->size == filter_sizes[i]) { g_array_append_val (sizes, filter_sizes[i]); if (thumbnail == NULL && i >= 1) thumbnail = gdk_pixbuf_from_xcursor_image (cursor); } XcursorImageDestroy (cursor); } } if (sizes->len == 0) { g_array_free (sizes, TRUE); g_free (name); } else { MateDesktopItem *cursor_theme_ditem; gchar *cursor_theme_file; if (!thumbnail) { cursor = XcursorLibraryLoadImage ("left_ptr", name, g_array_index (sizes, gint, 0)); if (cursor) { thumbnail = gdk_pixbuf_from_xcursor_image (cursor); XcursorImageDestroy (cursor); } } cursor_theme_info = mate_theme_cursor_info_new (); cursor_theme_info->path = g_file_get_path (parent_uri); cursor_theme_info->name = name; cursor_theme_info->sizes = sizes; cursor_theme_info->thumbnail = thumbnail; cursor_theme_file = g_file_get_path (cursor_theme_uri); cursor_theme_ditem = mate_desktop_item_new_from_file (cursor_theme_file, 0, NULL); g_free (cursor_theme_file); if (cursor_theme_ditem != NULL) { const gchar *readable_name; readable_name = mate_desktop_item_get_string (cursor_theme_ditem, "Icon Theme/Name"); if (readable_name) cursor_theme_info->readable_name = g_strdup (readable_name); else cursor_theme_info->readable_name = g_strdup (name); cursor_theme_info->hidden = mate_desktop_item_get_boolean (cursor_theme_ditem, "Icon Theme/Hidden"); mate_desktop_item_unref (cursor_theme_ditem); } else { cursor_theme_info->readable_name = g_strdup (name); } } } g_object_unref (cursors_uri); g_object_unref (parent_uri); return cursor_theme_info; } static void handle_change_signal (gpointer data, MateThemeChangeType change_type, MateThemeElement element_type) { #ifdef DEBUG gchar *type_str = NULL; gchar *change_str = NULL; gchar *element_str = NULL; #endif MateThemeCommonInfo *theme = data; GList *list; if (initting) return; for (list = callbacks; list; list = list->next) { ThemeCallbackData *callback_data = list->data; (* callback_data->func) (theme, change_type, element_type, callback_data->data); } #ifdef DEBUG if (theme->type == MATE_THEME_TYPE_METATHEME) type_str = "meta"; else if (theme->type == MATE_THEME_TYPE_ICON) type_str = "icon"; else if (theme->type == MATE_THEME_TYPE_CURSOR) type_str = "cursor"; else if (theme->type == MATE_THEME_TYPE_REGULAR) { if (element_type & MATE_THEME_GTK_2) element_str = "gtk-2"; else if (element_type & MATE_THEME_GTK_2_KEYBINDING) element_str = "keybinding"; else if (element_type & MATE_THEME_MARCO) element_str = "marco"; } if (change_type == MATE_THEME_CHANGE_CREATED) change_str = "created"; else if (change_type == MATE_THEME_CHANGE_CHANGED) change_str = "changed"; else if (change_type == MATE_THEME_CHANGE_DELETED) change_str = "deleted"; if (type == MATE_THEME_TYPE_REGULAR) { g_print ("theme \"%s\" has a theme of type %s (priority %d) has been %s\n", theme->name, element_str, theme->priority, type_str); } else if (type_str != NULL) { g_print ("%s theme \"%s\" (priority %d) has been %s\n", type_str, theme->name, theme->priority, type_str); } #endif } /* index_uri should point to the gtkrc file that was modified */ static void update_theme_index (GFile *index_uri, MateThemeElement key_element, gint priority) { gboolean theme_exists; MateThemeInfo *theme_info; GFile *parent; GFile *common_theme_dir_uri; gchar *common_theme_dir; /* First, we determine the new state of the file. We do no more * sophisticated a test than "files exists and is a file" */ theme_exists = (get_file_type (index_uri) == G_FILE_TYPE_REGULAR); /* Next, we see what currently exists */ parent = g_file_get_parent (index_uri); common_theme_dir_uri = g_file_get_parent (parent); common_theme_dir = g_file_get_path (common_theme_dir_uri); theme_info = g_hash_table_lookup (theme_hash_by_uri, common_theme_dir); if (theme_info == NULL) { if (theme_exists) { theme_info = mate_theme_info_new (); theme_info->path = g_strdup (common_theme_dir); theme_info->name = g_file_get_basename (common_theme_dir_uri); theme_info->readable_name = g_strdup (theme_info->name); theme_info->priority = priority; if (key_element & MATE_THEME_GTK_2) theme_info->has_gtk = TRUE; else if (key_element & MATE_THEME_GTK_2_KEYBINDING) theme_info->has_keybinding = TRUE; else if (key_element & MATE_THEME_MARCO) theme_info->has_marco = TRUE; g_hash_table_insert (theme_hash_by_uri, g_strdup (common_theme_dir), theme_info); add_theme_to_hash_by_name (theme_hash_by_name, theme_info); handle_change_signal (theme_info, MATE_THEME_CHANGE_CREATED, key_element); } } else { gboolean theme_used_to_exist = FALSE; if (key_element & MATE_THEME_GTK_2) { theme_used_to_exist = theme_info->has_gtk; theme_info->has_gtk = theme_exists; } else if (key_element & MATE_THEME_GTK_2_KEYBINDING) { theme_used_to_exist = theme_info->has_keybinding; theme_info->has_keybinding = theme_exists; } else if (key_element & MATE_THEME_MARCO) { theme_used_to_exist = theme_info->has_marco; theme_info->has_marco = theme_exists; } if (!theme_info->has_marco && !theme_info->has_keybinding && !theme_info->has_gtk) { g_hash_table_remove (theme_hash_by_uri, common_theme_dir); remove_theme_from_hash_by_name (theme_hash_by_name, theme_info); } if (theme_exists && theme_used_to_exist) { handle_change_signal (theme_info, MATE_THEME_CHANGE_CHANGED, key_element); } else if (theme_exists && !theme_used_to_exist) { handle_change_signal (theme_info, MATE_THEME_CHANGE_CREATED, key_element); } else if (!theme_exists && theme_used_to_exist) { handle_change_signal (theme_info, MATE_THEME_CHANGE_DELETED, key_element); } if (!theme_info->has_marco && !theme_info->has_keybinding && !theme_info->has_gtk) { mate_theme_info_free (theme_info); } } g_free (common_theme_dir); g_object_unref (parent); g_object_unref (common_theme_dir_uri); } static void update_gtk2_index (GFile *gtk2_index_uri, gint priority) { update_theme_index (gtk2_index_uri, MATE_THEME_GTK_2, priority); } static void update_keybinding_index (GFile *keybinding_index_uri, gint priority) { update_theme_index (keybinding_index_uri, MATE_THEME_GTK_2_KEYBINDING, priority); } static void update_marco_index (GFile *marco_index_uri, gint priority) { update_theme_index (marco_index_uri, MATE_THEME_MARCO, priority); } static void update_common_theme_dir_index (GFile *theme_index_uri, MateThemeType type, gint priority) { gboolean theme_exists; MateThemeCommonInfo *theme_info = NULL; MateThemeCommonInfo *old_theme_info; GFile *common_theme_dir_uri; gchar *common_theme_dir; GHashTable *hash_by_uri; GHashTable *hash_by_name; if (type == MATE_THEME_TYPE_ICON) { hash_by_uri = icon_theme_hash_by_uri; hash_by_name = icon_theme_hash_by_name; } else if (type == MATE_THEME_TYPE_CURSOR) { hash_by_uri = cursor_theme_hash_by_uri; hash_by_name = cursor_theme_hash_by_name; } else { hash_by_uri = meta_theme_hash_by_uri; hash_by_name = meta_theme_hash_by_name; } if (type != MATE_THEME_TYPE_CURSOR) { /* First, we determine the new state of the file. */ if (get_file_type (theme_index_uri) == G_FILE_TYPE_REGULAR) { /* It's an interesting file. Let's try to load it. */ if (type == MATE_THEME_TYPE_ICON) theme_info = (MateThemeCommonInfo *) read_icon_theme (theme_index_uri); else theme_info = (MateThemeCommonInfo *) mate_theme_read_meta_theme (theme_index_uri); } else { theme_info = NULL; } } /* cursor themes don't necessarily have an index file, so try those in any case */ else { theme_info = (MateThemeCommonInfo *) read_cursor_theme (theme_index_uri); } if (theme_info) { theme_info->priority = priority; theme_exists = TRUE; } else { theme_exists = FALSE; } /* Next, we see what currently exists */ common_theme_dir_uri = g_file_get_parent (theme_index_uri); common_theme_dir = g_file_get_path (common_theme_dir_uri); g_object_unref (common_theme_dir_uri); old_theme_info = (MateThemeCommonInfo *) g_hash_table_lookup (hash_by_uri, common_theme_dir); if (old_theme_info == NULL) { if (theme_exists) { g_hash_table_insert (hash_by_uri, g_strdup (common_theme_dir), theme_info); add_theme_to_hash_by_name (hash_by_name, theme_info); handle_change_signal (theme_info, MATE_THEME_CHANGE_CREATED, 0); } } else { if (theme_exists) { if (theme_compare (theme_info, old_theme_info) != 0) { /* Remove old theme */ g_hash_table_remove (hash_by_uri, common_theme_dir); remove_theme_from_hash_by_name (hash_by_name, old_theme_info); g_hash_table_insert (hash_by_uri, g_strdup (common_theme_dir), theme_info); add_theme_to_hash_by_name (hash_by_name, theme_info); handle_change_signal (theme_info, MATE_THEME_CHANGE_CHANGED, 0); theme_free (old_theme_info); } else { theme_free (theme_info); } } else { g_hash_table_remove (hash_by_uri, common_theme_dir); remove_theme_from_hash_by_name (hash_by_name, old_theme_info); handle_change_signal (old_theme_info, MATE_THEME_CHANGE_DELETED, 0); theme_free (old_theme_info); } } g_free (common_theme_dir); } static void update_meta_theme_index (GFile *meta_theme_index_uri, gint priority) { update_common_theme_dir_index (meta_theme_index_uri, MATE_THEME_TYPE_METATHEME, priority); } static void update_icon_theme_index (GFile *icon_theme_index_uri, gint priority) { update_common_theme_dir_index (icon_theme_index_uri, MATE_THEME_TYPE_ICON, priority); } static void update_cursor_theme_index (GFile *cursor_theme_index_uri, gint priority) { update_common_theme_dir_index (cursor_theme_index_uri, MATE_THEME_TYPE_CURSOR, priority); } static void gtk2_dir_changed (GFileMonitor *monitor, GFile *file, GFile *other_file, GFileMonitorEvent event_type, CommonThemeDirMonitorData *monitor_data) { gchar *affected_file; affected_file = g_file_get_basename (file); /* The only file we care about is gtkrc */ if (!strcmp (affected_file, "gtkrc")) { update_gtk2_index (file, monitor_data->priority); } g_free (affected_file); } static void keybinding_dir_changed (GFileMonitor *monitor, GFile *file, GFile *other_file, GFileMonitorEvent event_type, CommonThemeDirMonitorData *monitor_data) { gchar *affected_file; affected_file = g_file_get_basename (file); /* The only file we care about is gtkrc */ if (!strcmp (affected_file, "gtkrc")) { update_keybinding_index (file, monitor_data->priority); } g_free (affected_file); } static void marco_dir_changed (GFileMonitor *monitor, GFile *file, GFile *other_file, GFileMonitorEvent event_type, CommonThemeDirMonitorData *monitor_data) { gchar *affected_file; affected_file = g_file_get_basename (file); /* The only file we care about is metacity-theme-(1|2).xml */ if (!strcmp (affected_file, "metacity-theme-1.xml") || !strcmp (affected_file, "metacity-theme-2.xml")) { update_marco_index (file, monitor_data->priority); } g_free (affected_file); } static void common_theme_dir_changed (GFileMonitor *monitor, GFile *file, GFile *other_file, GFileMonitorEvent event_type, CommonThemeDirMonitorData *monitor_data) { gchar *affected_file; affected_file = g_file_get_basename (file); /* The only file we care about is index.theme */ if (!strcmp (affected_file, "index.theme")) { update_meta_theme_index (file, monitor_data->priority); } g_free (affected_file); } static void common_icon_theme_dir_changed (GFileMonitor *monitor, GFile *file, GFile *other_file, GFileMonitorEvent event_type, CommonIconThemeDirMonitorData *monitor_data) { gchar *affected_file; affected_file = g_file_get_basename (file); /* The only file we care about is index.theme */ if (!strcmp (affected_file, "index.theme")) { update_icon_theme_index (file, monitor_data->priority); update_cursor_theme_index (file, monitor_data->priority); } /* and the cursors subdir for cursor themes */ else if (!strcmp (affected_file, "cursors")) { /* always call update_cursor_theme_index with the index.theme URI */ GFile *parent, *index; parent = g_file_get_parent (file); index = g_file_get_child (parent, "index.theme"); g_object_unref (parent); update_cursor_theme_index (index, monitor_data->priority); g_object_unref (index); } g_free (affected_file); } /* Add a monitor to a common_theme_dir. */ static gboolean add_common_theme_dir_monitor (GFile *theme_dir_uri, CommonThemeDirMonitorData *monitor_data, GError **error) { GFile *uri, *subdir; GFileMonitor *monitor; uri = g_file_get_child (theme_dir_uri, "index.theme"); update_meta_theme_index (uri, monitor_data->priority); g_object_unref (uri); /* Add the handle for this directory */ monitor = g_file_monitor_file (theme_dir_uri, G_FILE_MONITOR_NONE, NULL, NULL); if (monitor == NULL) return FALSE; g_signal_connect (monitor, "changed", (GCallback) common_theme_dir_changed, monitor_data); monitor_data->common_theme_dir_handle = monitor; /* gtk-2 theme subdir */ subdir = g_file_get_child (theme_dir_uri, "gtk-2.0"); uri = g_file_get_child (subdir, "gtkrc"); if (g_file_query_exists (uri, NULL)) { update_gtk2_index (uri, monitor_data->priority); } g_object_unref (uri); monitor = g_file_monitor_directory (subdir, G_FILE_MONITOR_NONE, NULL, NULL); if (monitor != NULL) { g_signal_connect (monitor, "changed", (GCallback) gtk2_dir_changed, monitor_data); } monitor_data->gtk2_dir_handle = monitor; g_object_unref (subdir); /* keybinding theme subdir */ subdir = g_file_get_child (theme_dir_uri, "gtk-2.0-key"); uri = g_file_get_child (subdir, "gtkrc"); if (g_file_query_exists (uri, NULL)) { update_keybinding_index (uri, monitor_data->priority); } g_object_unref (uri); monitor = g_file_monitor_directory (subdir, G_FILE_MONITOR_NONE, NULL, NULL); if (monitor != NULL) { g_signal_connect (monitor, "changed", (GCallback) keybinding_dir_changed, monitor_data); } monitor_data->keybinding_dir_handle = monitor; g_object_unref (subdir); /* marco theme subdir */ subdir = g_file_get_child (theme_dir_uri, "metacity-1"); uri = g_file_get_child (subdir, "metacity-theme-2.xml"); if (g_file_query_exists (uri, NULL)) { update_marco_index (uri, monitor_data->priority); } else { g_object_unref (uri); uri = g_file_get_child (subdir, "metacity-theme-1.xml"); if (g_file_query_exists (uri, NULL)) { update_marco_index (uri, monitor_data->priority); } } g_object_unref (uri); monitor = g_file_monitor_directory (subdir, G_FILE_MONITOR_NONE, NULL, NULL); if (monitor != NULL) { g_signal_connect (monitor, "changed", (GCallback) marco_dir_changed, monitor_data); } monitor_data->marco_dir_handle = monitor; g_object_unref (subdir); return TRUE; } static gboolean add_common_icon_theme_dir_monitor (GFile *theme_dir_uri, CommonIconThemeDirMonitorData *monitor_data, GError **error) { GFile *index_uri; GFileMonitor *monitor; /* Add the handle for this directory */ index_uri = g_file_get_child (theme_dir_uri, "index.theme"); update_icon_theme_index (index_uri, monitor_data->priority); update_cursor_theme_index (index_uri, monitor_data->priority); g_object_unref (index_uri); monitor = g_file_monitor_file (theme_dir_uri, G_FILE_MONITOR_NONE, NULL, NULL); if (monitor == NULL) return FALSE; g_signal_connect (monitor, "changed", (GCallback) common_icon_theme_dir_changed, monitor_data); monitor_data->common_icon_theme_dir_handle = monitor; return TRUE; } static void remove_common_theme_dir_monitor (CommonThemeDirMonitorData *monitor_data) { g_file_monitor_cancel (monitor_data->common_theme_dir_handle); g_file_monitor_cancel (monitor_data->gtk2_dir_handle); g_file_monitor_cancel (monitor_data->keybinding_dir_handle); g_file_monitor_cancel (monitor_data->marco_dir_handle); } static void remove_common_icon_theme_dir_monitor (CommonIconThemeDirMonitorData *monitor_data) { g_file_monitor_cancel (monitor_data->common_icon_theme_dir_handle); } static void top_theme_dir_changed (GFileMonitor *monitor, GFile *file, GFile *other_file, GFileMonitorEvent event_type, CallbackTuple *tuple) { GHashTable *handle_hash; CommonThemeDirMonitorData *monitor_data; gint priority; handle_hash = tuple->handle_hash; priority = tuple->priority; if (event_type == G_FILE_MONITOR_EVENT_CREATED) { if (get_file_type (file) == G_FILE_TYPE_DIRECTORY) { monitor_data = g_new0 (CommonThemeDirMonitorData, 1); monitor_data->priority = priority; add_common_theme_dir_monitor (file, monitor_data, NULL); g_hash_table_insert (handle_hash, g_file_get_basename (file), monitor_data); } } else if (event_type == G_FILE_MONITOR_EVENT_DELETED) { gchar *name; name = g_file_get_basename (file); monitor_data = g_hash_table_lookup (handle_hash, name); if (monitor_data != NULL) { remove_common_theme_dir_monitor (monitor_data); g_hash_table_remove (handle_hash, name); } g_free (name); } } static void top_icon_theme_dir_changed (GFileMonitor *monitor, GFile *file, GFile *other_file, GFileMonitorEvent event_type, CallbackTuple *tuple) { GHashTable *handle_hash; CommonIconThemeDirMonitorData *monitor_data; gint priority; handle_hash = tuple->handle_hash; priority = tuple->priority; if (event_type == G_FILE_MONITOR_EVENT_CREATED) { if (get_file_type (file) == G_FILE_TYPE_DIRECTORY) { monitor_data = g_new0 (CommonIconThemeDirMonitorData, 1); monitor_data->priority = priority; add_common_icon_theme_dir_monitor (file, monitor_data, NULL); g_hash_table_insert (handle_hash, g_file_get_basename (file), monitor_data); } } else if (event_type == G_FILE_MONITOR_EVENT_DELETED) { gchar *name; name = g_file_get_basename (file); monitor_data = g_hash_table_lookup (handle_hash, name); if (monitor_data != NULL) { remove_common_icon_theme_dir_monitor (monitor_data); g_hash_table_remove (handle_hash, name); } g_free (name); } } /* Add a monitor to a top dir. These monitors persist for the duration of the * lib. */ static gboolean real_add_top_theme_dir_monitor (GFile *uri, gint priority, gboolean icon_theme, GError **error) { GFileInfo *file_info; GFileMonitor *monitor; GFileEnumerator *enumerator; CallbackTuple *tuple; /* Check the URI */ if (get_file_type (uri) != G_FILE_TYPE_DIRECTORY) return FALSE; /* handle_hash is a hash of common_theme_dir names to their monitor_data. We * use it to remove the monitor handles when a dir is removed. */ tuple = g_new (CallbackTuple, 1); tuple->handle_hash = g_hash_table_new_full (g_str_hash, g_str_equal, (GDestroyNotify) g_free, (GDestroyNotify) g_free); tuple->priority = priority; /* Monitor the top directory */ monitor = g_file_monitor_directory (uri, G_FILE_MONITOR_NONE, NULL, NULL); if (monitor != NULL) { g_signal_connect (monitor, "changed", (GCallback) (icon_theme ? top_icon_theme_dir_changed : top_theme_dir_changed), tuple); } /* Go through the directory to add monitoring */ enumerator = g_file_enumerate_children (uri, G_FILE_ATTRIBUTE_STANDARD_TYPE "," G_FILE_ATTRIBUTE_STANDARD_NAME, G_FILE_QUERY_INFO_NONE, NULL, NULL); if (enumerator == NULL) return FALSE; while ((file_info = g_file_enumerator_next_file (enumerator, NULL, NULL))) { GFileType type = g_file_info_get_file_type (file_info); if (type == G_FILE_TYPE_DIRECTORY || type == G_FILE_TYPE_SYMBOLIC_LINK) { GFile *child; const gchar *name; gpointer data; /* Add the directory */ name = g_file_info_get_name (file_info); child = g_file_get_child (uri, name); if (icon_theme) { CommonIconThemeDirMonitorData *monitor_data; monitor_data = g_new0 (CommonIconThemeDirMonitorData, 1); monitor_data->priority = priority; add_common_icon_theme_dir_monitor (child, monitor_data, error); data = monitor_data; } else { CommonThemeDirMonitorData *monitor_data; monitor_data = g_new0 (CommonThemeDirMonitorData, 1); monitor_data->priority = priority; add_common_theme_dir_monitor (child, monitor_data, error); data = monitor_data; } g_object_unref (child); g_hash_table_insert (tuple->handle_hash, g_strdup (name), data); } g_object_unref (file_info); } g_file_enumerator_close (enumerator, NULL, NULL); return TRUE; } static gboolean add_top_theme_dir_monitor (GFile *uri, gint priority, GError **error) { return real_add_top_theme_dir_monitor (uri, priority, FALSE, error); } static gboolean add_top_icon_theme_dir_monitor (GFile *uri, gint priority, GError **error) { return real_add_top_theme_dir_monitor (uri, priority, TRUE, error); } /* Public functions */ /* GTK/Marco/keybinding Themes */ MateThemeInfo * mate_theme_info_new (void) { MateThemeInfo *theme_info; theme_info = g_new0 (MateThemeInfo, 1); theme_info->type = MATE_THEME_TYPE_REGULAR; return theme_info; } void mate_theme_info_free (MateThemeInfo *theme_info) { g_free (theme_info->path); g_free (theme_info->name); g_free (theme_info->readable_name); g_free (theme_info); } MateThemeInfo * mate_theme_info_find (const gchar *theme_name) { return (MateThemeInfo *) get_theme_from_hash_by_name (theme_hash_by_name, theme_name, -1); } struct MateThemeInfoHashData { gconstpointer user_data; GList *list; }; static void mate_theme_info_find_by_type_helper (gpointer key, GList *list, struct MateThemeInfoHashData *hash_data) { guint elements = GPOINTER_TO_INT (hash_data->user_data); do { MateThemeInfo *theme_info = list->data; if ((elements & MATE_THEME_MARCO && theme_info->has_marco) || (elements & MATE_THEME_GTK_2 && theme_info->has_gtk) || (elements & MATE_THEME_GTK_2_KEYBINDING && theme_info->has_keybinding)) { hash_data->list = g_list_prepend (hash_data->list, theme_info); return; } list = list->next; } while (list); } GList * mate_theme_info_find_by_type (guint elements) { struct MateThemeInfoHashData data; data.user_data = GINT_TO_POINTER (elements); data.list = NULL; g_hash_table_foreach (theme_hash_by_name, (GHFunc) mate_theme_info_find_by_type_helper, &data); return data.list; } static void mate_theme_info_find_all_helper(const gchar* key, GList* list, GList** themes) { /* only return visible themes */ if (!((MateThemeCommonInfo*) list->data)->hidden) { *themes = g_list_prepend(*themes, list->data); } } gchar* gtk_theme_info_missing_engine(const gchar* gtk_theme, gboolean name_only) { gchar* engine = NULL; gchar* gtkrc; gtkrc = gtkrc_find_named(gtk_theme); if (gtkrc) { GSList* engines = NULL; GSList* l; gtkrc_get_details(gtkrc, &engines, NULL); g_free(gtkrc); for (l = engines; l; l = l->next) { /* This code do not work on distros with more of one gtk theme * engine path. Like debian. But yes on others like Archlinux. * Example, debian use: * /usr/lib/i386-linux-gnu/2.10.0/engines/ * and /usr/lib/2.10.0/engines/ * * some links * http://forums.linuxmint.com/viewtopic.php?f=190&t=85015 */ gchar* full = g_module_build_path(GTK_ENGINE_DIR, l->data); gboolean found = g_file_test(full, G_FILE_TEST_EXISTS); if (!found) { if (name_only) { engine = g_strdup(l->data); g_free(full); } else { engine = full; } break; } g_free(full); } g_slist_foreach(engines, (GFunc) g_free, NULL); g_slist_free(engines); } return engine; } /* Icon themes */ MateThemeIconInfo * mate_theme_icon_info_new (void) { MateThemeIconInfo *icon_theme_info; icon_theme_info = g_new0 (MateThemeIconInfo, 1); icon_theme_info->type = MATE_THEME_TYPE_ICON; return icon_theme_info; } void mate_theme_icon_info_free (MateThemeIconInfo *icon_theme_info) { g_free (icon_theme_info->name); g_free (icon_theme_info->readable_name); g_free (icon_theme_info->path); g_free (icon_theme_info); } MateThemeIconInfo * mate_theme_icon_info_find (const gchar *icon_theme_name) { g_return_val_if_fail (icon_theme_name != NULL, NULL); return (MateThemeIconInfo *) get_theme_from_hash_by_name (icon_theme_hash_by_name, icon_theme_name, -1); } GList * mate_theme_icon_info_find_all (void) { GList *list = NULL; g_hash_table_foreach (icon_theme_hash_by_name, (GHFunc) mate_theme_info_find_all_helper, &list); return list; } gint mate_theme_icon_info_compare (MateThemeIconInfo *a, MateThemeIconInfo *b) { gint cmp; cmp = safe_strcmp (a->path, b->path); if (cmp != 0) return cmp; return safe_strcmp (a->name, b->name); } /* Cursor themes */ MateThemeCursorInfo * mate_theme_cursor_info_new (void) { MateThemeCursorInfo *theme_info; theme_info = g_new0 (MateThemeCursorInfo, 1); theme_info->type = MATE_THEME_TYPE_CURSOR; return theme_info; } void mate_theme_cursor_info_free (MateThemeCursorInfo *cursor_theme_info) { g_free (cursor_theme_info->name); g_free (cursor_theme_info->readable_name); g_free (cursor_theme_info->path); g_array_free (cursor_theme_info->sizes, TRUE); if (cursor_theme_info->thumbnail != NULL) g_object_unref (cursor_theme_info->thumbnail); g_free (cursor_theme_info); } MateThemeCursorInfo * mate_theme_cursor_info_find (const gchar *cursor_theme_name) { g_return_val_if_fail (cursor_theme_name != NULL, NULL); return (MateThemeCursorInfo *) get_theme_from_hash_by_name (cursor_theme_hash_by_name, cursor_theme_name, -1); } GList * mate_theme_cursor_info_find_all (void) { GList *list = NULL; g_hash_table_foreach (cursor_theme_hash_by_name, (GHFunc) mate_theme_info_find_all_helper, &list); return list; } gint mate_theme_cursor_info_compare (MateThemeCursorInfo *a, MateThemeCursorInfo *b) { gint cmp; cmp = safe_strcmp (a->path, b->path); if (cmp != 0) return cmp; return safe_strcmp (a->name, b->name); } /* Meta themes */ MateThemeMetaInfo* mate_theme_meta_info_new(void) { MateThemeMetaInfo* theme_info; theme_info = g_new0(MateThemeMetaInfo, 1); theme_info->type = MATE_THEME_TYPE_METATHEME; return theme_info; } void mate_theme_meta_info_free(MateThemeMetaInfo* meta_theme_info) { g_free (meta_theme_info->application_font); g_free (meta_theme_info->background_image); g_free (meta_theme_info->comment); g_free (meta_theme_info->cursor_theme_name); g_free (meta_theme_info->desktop_font); g_free (meta_theme_info->documents_font); g_free (meta_theme_info->gtk_color_scheme); g_free (meta_theme_info->gtk_theme_name); g_free (meta_theme_info->icon_file); g_free (meta_theme_info->icon_theme_name); g_free (meta_theme_info->marco_theme_name); g_free (meta_theme_info->monospace_font); g_free (meta_theme_info->name); g_free (meta_theme_info->notification_theme_name); g_free (meta_theme_info->path); g_free (meta_theme_info->sound_theme_name); g_free (meta_theme_info->windowtitle_font); g_free (meta_theme_info); } gboolean mate_theme_meta_info_validate(const MateThemeMetaInfo* info, GError** error) { MateThemeInfo* theme; g_return_val_if_fail (error == NULL || *error == NULL, FALSE); theme = mate_theme_info_find (info->gtk_theme_name); if (!theme || !theme->has_gtk) { g_set_error (error, MATE_THEME_ERROR, MATE_THEME_ERROR_GTK_THEME_NOT_AVAILABLE, _("This theme will not look as intended because the required GTK+ theme '%s' is not installed."), info->gtk_theme_name); return FALSE; } theme = mate_theme_info_find (info->marco_theme_name); if (!theme || !theme->has_marco) { g_set_error (error, MATE_THEME_ERROR, MATE_THEME_ERROR_WM_THEME_NOT_AVAILABLE, _("This theme will not look as intended because the required window manager theme '%s' is not installed."), info->marco_theme_name); return FALSE; } if (!mate_theme_icon_info_find (info->icon_theme_name)) { g_set_error (error, MATE_THEME_ERROR, MATE_THEME_ERROR_ICON_THEME_NOT_AVAILABLE, _("This theme will not look as intended because the required icon theme '%s' is not installed."), info->icon_theme_name); return FALSE; } return TRUE; } MateThemeMetaInfo* mate_theme_meta_info_find(const char* meta_theme_name) { g_return_val_if_fail(meta_theme_name != NULL, NULL); return (MateThemeMetaInfo*) get_theme_from_hash_by_name (meta_theme_hash_by_name, meta_theme_name, -1); } GList* mate_theme_meta_info_find_all(void) { GList* list = NULL; g_hash_table_foreach (meta_theme_hash_by_name, (GHFunc) mate_theme_info_find_all_helper, &list); return list; } gint mate_theme_meta_info_compare (MateThemeMetaInfo *a, MateThemeMetaInfo *b) { gint cmp; cmp = safe_strcmp (a->path, b->path); if (cmp != 0) return cmp; cmp = safe_strcmp (a->readable_name, b->readable_name); if (cmp != 0) return cmp; cmp = safe_strcmp (a->name, b->name); if (cmp != 0) return cmp; cmp = safe_strcmp (a->comment, b->comment); if (cmp != 0) return cmp; cmp = safe_strcmp (a->icon_file, b->icon_file); if (cmp != 0) return cmp; cmp = safe_strcmp (a->gtk_theme_name, b->gtk_theme_name); if (cmp != 0) return cmp; cmp = safe_strcmp (a->gtk_color_scheme, b->gtk_color_scheme); if (cmp != 0) return cmp; cmp = safe_strcmp (a->marco_theme_name, b->marco_theme_name); if (cmp != 0) return cmp; cmp = safe_strcmp (a->icon_theme_name, b->icon_theme_name); if (cmp != 0) return cmp; cmp = safe_strcmp (a->notification_theme_name, b->notification_theme_name); if (cmp != 0) return cmp; cmp = safe_strcmp (a->sound_theme_name, b->sound_theme_name); if (cmp != 0) return cmp; cmp = safe_strcmp (a->application_font, b->application_font); if (cmp != 0) return cmp; cmp = safe_strcmp (a->documents_font, b->documents_font); if (cmp != 0) return cmp; cmp = safe_strcmp (a->desktop_font, b->desktop_font); if (cmp != 0) return cmp; cmp = safe_strcmp (a->windowtitle_font, b->windowtitle_font); if (cmp != 0) return cmp; cmp = safe_strcmp (a->monospace_font, b->monospace_font); if (cmp != 0) return cmp; return safe_strcmp (a->background_image, b->background_image); } void mate_theme_info_register_theme_change (ThemeChangedCallback func, gpointer data) { ThemeCallbackData *callback_data; g_return_if_fail (func != NULL); callback_data = g_new (ThemeCallbackData, 1); callback_data->func = func; callback_data->data = data; callbacks = g_list_prepend (callbacks, callback_data); } gboolean mate_theme_color_scheme_parse (const gchar *scheme, GdkRGBA *colors) { gchar **color_scheme_strings, **color_scheme_pair, *current_string; gint i; if (!scheme || !strcmp (scheme, "")) return FALSE; /* initialise the array */ for (i = 0; i < NUM_SYMBOLIC_COLORS; i++) colors[i].red = colors[i].green = colors[i].blue = 0; /* The color scheme string consists of name:color pairs, separated by * newlines, so first we split the string up by new line */ color_scheme_strings = g_strsplit (scheme, "\n", 0); /* loop through the name:color pairs, and save the color if we recognise the name */ i = 0; while ((current_string = color_scheme_strings[i++])) { color_scheme_pair = g_strsplit (current_string, ":", 0); if (color_scheme_pair[0] != NULL && color_scheme_pair[1] != NULL) { g_strstrip (color_scheme_pair[0]); g_strstrip (color_scheme_pair[1]); if (!strcmp ("fg_color", color_scheme_pair[0])) gdk_rgba_parse (&colors[COLOR_FG], color_scheme_pair[1]); else if (!strcmp ("bg_color", color_scheme_pair[0])) gdk_rgba_parse (&colors[COLOR_BG], color_scheme_pair[1]); else if (!strcmp ("text_color", color_scheme_pair[0])) gdk_rgba_parse (&colors[COLOR_TEXT], color_scheme_pair[1]); else if (!strcmp ("base_color", color_scheme_pair[0])) gdk_rgba_parse (&colors[COLOR_BASE], color_scheme_pair[1]); else if (!strcmp ("selected_fg_color", color_scheme_pair[0])) gdk_rgba_parse (&colors[COLOR_SELECTED_FG], color_scheme_pair[1]); else if (!strcmp ("selected_bg_color", color_scheme_pair[0])) gdk_rgba_parse ( &colors[COLOR_SELECTED_BG], color_scheme_pair[1]); else if (!strcmp ("tooltip_fg_color", color_scheme_pair[0])) gdk_rgba_parse (&colors[COLOR_TOOLTIP_FG], color_scheme_pair[1]); else if (!strcmp ("tooltip_bg_color", color_scheme_pair[0])) gdk_rgba_parse (&colors[COLOR_TOOLTIP_BG], color_scheme_pair[1]); } g_strfreev (color_scheme_pair); } g_strfreev (color_scheme_strings); return TRUE; } gboolean mate_theme_color_scheme_equal (const gchar *s1, const gchar *s2) { GdkRGBA c1[NUM_SYMBOLIC_COLORS], c2[NUM_SYMBOLIC_COLORS]; int i; if (!mate_theme_color_scheme_parse (s1, c1) || !mate_theme_color_scheme_parse (s2, c2)) return FALSE; for (i = 0; i < NUM_SYMBOLIC_COLORS; ++i) { if (!gdk_rgba_equal (&c1[i], &c2[i])) return FALSE; } return TRUE; } void mate_theme_init () { const gchar * const * dirs; GFile *top_theme_dir; gchar *top_theme_dir_string; static gboolean initted = FALSE; gchar **search_path; gint i, n; if (initted) return; initting = TRUE; meta_theme_hash_by_uri = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); meta_theme_hash_by_name = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); icon_theme_hash_by_uri = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); icon_theme_hash_by_name = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); cursor_theme_hash_by_uri = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); cursor_theme_hash_by_name = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); theme_hash_by_uri = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); theme_hash_by_name = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); /* Add all the toplevel theme dirs following the XDG Base Directory Specification */ dirs = g_get_system_data_dirs (); if (dirs != NULL) for (; *dirs != NULL; ++dirs) { top_theme_dir_string = g_build_filename (*dirs, "themes", NULL); top_theme_dir = g_file_new_for_path (top_theme_dir_string); g_free (top_theme_dir_string); add_top_theme_dir_monitor (top_theme_dir, 1, NULL); g_object_unref (top_theme_dir); } /* ~/.themes */ top_theme_dir_string = g_build_filename (g_get_home_dir (), ".themes", NULL); top_theme_dir = g_file_new_for_path (top_theme_dir_string); g_free (top_theme_dir_string); if (!g_file_query_exists (top_theme_dir, NULL)) g_file_make_directory (top_theme_dir, NULL, NULL); add_top_theme_dir_monitor (top_theme_dir, 0, NULL); g_object_unref (top_theme_dir); /* ~/.icons */ top_theme_dir_string = g_build_filename (g_get_home_dir (), ".icons", NULL); top_theme_dir = g_file_new_for_path (top_theme_dir_string); g_free (top_theme_dir_string); if (!g_file_query_exists (top_theme_dir, NULL)) g_file_make_directory (top_theme_dir, NULL, NULL); g_object_unref (top_theme_dir); /* icon theme search path */ gtk_icon_theme_get_search_path (gtk_icon_theme_get_default (), &search_path, &n); for (i = 0; i < n; ++i) { top_theme_dir = g_file_new_for_path (search_path[i]); add_top_icon_theme_dir_monitor (top_theme_dir, i, NULL); g_object_unref (top_theme_dir); } g_strfreev (search_path); /* if there's a separate xcursors dir, add that as well */ if (strcmp (XCURSOR_ICONDIR, top_theme_dir_string) && strcmp (XCURSOR_ICONDIR, "/usr/share/icons")) { top_theme_dir = g_file_new_for_path (XCURSOR_ICONDIR); add_top_icon_theme_dir_monitor (top_theme_dir, 1, NULL); g_object_unref (top_theme_dir); } /* make sure we have the default theme */ if (!mate_theme_cursor_info_find ("default")) add_default_cursor_theme (); /* done */ initted = TRUE; initting = FALSE; }