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Diffstat (limited to 'capplets/common/mate-theme-info.c')
| -rw-r--r-- | capplets/common/mate-theme-info.c | 1988 |
1 files changed, 1988 insertions, 0 deletions
diff --git a/capplets/common/mate-theme-info.c b/capplets/common/mate-theme-info.c new file mode 100644 index 00000000..aead0b34 --- /dev/null +++ b/capplets/common/mate-theme-info.c @@ -0,0 +1,1988 @@ +/* mate-theme-info.c - MATE Theme information + * + * Copyright (C) 2002 Jonathan Blandford <[email protected]> + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H + #include <config.h> +#endif + +#include <sys/types.h> +#include <sys/stat.h> +#include <dirent.h> +#include <glib/gi18n.h> +#include <gmodule.h> +#include <gtk/gtk.h> +#include <gdk/gdkx.h> +#include <gio/gio.h> +#include <string.h> +#include <libmate/mate-desktop-item.h> +#include "mate-theme-info.h" +#include "gtkrc-utils.h" + +#ifdef HAVE_XCURSOR + #include <X11/Xcursor/Xcursor.h> +#endif + +#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 = 18; + } + else + { + meta_theme_info->cursor_theme_name = g_strdup("default"); + meta_theme_info->cursor_size = 18; + } + + 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; +} + +#ifdef HAVE_XCURSOR +static void +add_default_cursor_theme () +{ + 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, 24, 32, 36, 40, 48, 64 }; + 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; +} + +#else /* !HAVE_XCURSOR */ + +static gchar * +read_current_cursor_font (void) +{ + DIR *dir; + gchar *dir_name; + struct dirent *file_dirent; + + dir_name = g_build_filename (g_get_home_dir (), ".mate2/share/cursor-fonts", NULL); + if (! g_file_test (dir_name, G_FILE_TEST_EXISTS)) { + g_free (dir_name); + return NULL; + } + + dir = opendir (dir_name); + + while ((file_dirent = readdir (dir)) != NULL) { + struct stat st; + gchar *link_name; + + link_name = g_build_filename (dir_name, file_dirent->d_name, NULL); + if (lstat (link_name, &st)) { + g_free (link_name); + continue; + } + + if (S_ISLNK (st.st_mode)) { + gint length; + gchar target[256]; + + length = readlink (link_name, target, 255); + if (length > 0) { + gchar *retval; + target[length] = '\0'; + retval = g_strdup (target); + g_free (link_name); + closedir (dir); + return retval; + } + + } + g_free (link_name); + } + g_free (dir_name); + closedir (dir); + return NULL; +} + +static void +read_cursor_fonts (void) +{ + gchar *cursor_font; + gint i; + + const gchar *builtins[][4] = { + { + "mate/cursor-fonts/cursor-normal.pcf", + N_("Default Pointer"), + N_("Default Pointer - Current"), + "mouse-cursor-normal.png" + }, { + "mate/cursor-fonts/cursor-white.pcf", + N_("White Pointer"), + N_("White Pointer - Current"), + "mouse-cursor-white.png" + }, { + "mate/cursor-fonts/cursor-large.pcf", + N_("Large Pointer"), + N_("Large Pointer - Current"), + "mouse-cursor-normal-large.png" + }, { + "mate/cursor-fonts/cursor-large-white.pcf", + N_("Large White Pointer - Current"), + N_("Large White Pointer"), + "mouse-cursor-white-large.png" + } + }; + + cursor_font = read_current_cursor_font(); + + if (!cursor_font) + cursor_font = g_strdup (builtins[0][0]); + + for (i = 0; i < G_N_ELEMENTS (builtins); i++) { + MateThemeCursorInfo *theme_info; + gchar *filename; + + theme_info = mate_theme_cursor_info_new (); + + filename = g_build_filename (MATECC_DATA_DIR, "pixmaps", builtins[i][3], NULL); + theme_info->thumbnail = gdk_pixbuf_new_from_file (filename, NULL); + g_free (filename); + + theme_info->path = g_build_filename (MATECC_DATA_DIR, builtins[i][0], NULL); + theme_info->name = g_strdup (theme_info->path); + + if (!strcmp (theme_info->path, cursor_font)) + theme_info->readable_name = g_strdup (_(builtins[i][2])); + else + theme_info->readable_name = g_strdup (_(builtins[i][1])); + + 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); + } + + g_free (cursor_font); +} +#endif /* HAVE_XCURSOR */ + +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; + } + + } +#ifdef HAVE_XCURSOR + /* 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); + } +#endif + + 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) +{ +#ifdef HAVE_XCURSOR + update_common_theme_dir_index (cursor_theme_index_uri, MATE_THEME_TYPE_CURSOR, priority); +#endif +} + +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 marco-theme-1.xml */ + if (!strcmp (affected_file, "metacity-theme-1.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-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 nameOnly) +{ + 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) + { + #if 1 // set to 0 if you can not compile with the follow code + GtkThemeEngine* a = gtk_theme_engine_get((const gchar*) l->data); + + if (!a) + { + if (nameOnly) + { + engine = g_strdup(l->data); + } + else + { + // esto necesita más trabajo, pero creo que debian no se + // salva ni con el anterior fix. + // GTK_ENGINE_DIR aún sigue conteniendo un path erroneo. + engine = g_module_build_path(GTK_ENGINE_DIR, l->data); + } + + break; + } + + #else + + /* 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 (nameOnly) + { + engine = g_strdup(l->data); + g_free(full); + } + else + { + engine = full; + } + + break; + } + + g_free(full); + #endif + } + + 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->path); + g_free(meta_theme_info->readable_name); + g_free(meta_theme_info->name); + g_free(meta_theme_info->comment); + g_free(meta_theme_info->application_font); + g_free(meta_theme_info->documents_font); + g_free(meta_theme_info->desktop_font); + g_free(meta_theme_info->windowtitle_font); + g_free(meta_theme_info->monospace_font); + g_free(meta_theme_info->background_image); + g_free(meta_theme_info->gtk_theme_name); + g_free(meta_theme_info->gtk_color_scheme); + g_free(meta_theme_info->icon_theme_name); + g_free(meta_theme_info->marco_theme_name); + g_free(meta_theme_info->notification_theme_name); + g_free(meta_theme_info); +} + +gboolean mate_theme_meta_info_validate(const MateThemeMetaInfo* info, GError** error) +{ + MateThemeInfo* theme; + gchar* engine; + + 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; + } + + /* check for gtk theme engines */ + engine = gtk_theme_info_missing_engine(info->gtk_theme_name, TRUE); + + if (engine != NULL) + { + g_set_error (error, MATE_THEME_ERROR, MATE_THEME_ERROR_GTK_ENGINE_NOT_AVAILABLE, + _("This theme will not look as intended because the required GTK+ theme engine '%s' is not installed."), + engine); + g_free (engine); + 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, GdkColor *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_color_parse (color_scheme_pair[1], &colors[COLOR_FG]); + else if (!strcmp ("bg_color", color_scheme_pair[0])) + gdk_color_parse (color_scheme_pair[1], &colors[COLOR_BG]); + else if (!strcmp ("text_color", color_scheme_pair[0])) + gdk_color_parse (color_scheme_pair[1], &colors[COLOR_TEXT]); + else if (!strcmp ("base_color", color_scheme_pair[0])) + gdk_color_parse (color_scheme_pair[1], &colors[COLOR_BASE]); + else if (!strcmp ("selected_fg_color", color_scheme_pair[0])) + gdk_color_parse (color_scheme_pair[1], &colors[COLOR_SELECTED_FG]); + else if (!strcmp ("selected_bg_color", color_scheme_pair[0])) + gdk_color_parse (color_scheme_pair[1], &colors[COLOR_SELECTED_BG]); + else if (!strcmp ("tooltip_fg_color", color_scheme_pair[0])) + gdk_color_parse (color_scheme_pair[1], &colors[COLOR_TOOLTIP_FG]); + else if (!strcmp ("tooltip_bg_color", color_scheme_pair[0])) + gdk_color_parse (color_scheme_pair[1], &colors[COLOR_TOOLTIP_BG]); + } + + g_strfreev (color_scheme_pair); + } + + g_strfreev (color_scheme_strings); + + return TRUE; +} + +gboolean +mate_theme_color_scheme_equal (const gchar *s1, const gchar *s2) +{ + GdkColor 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_color_equal (&c1[i], &c2[i])) + return FALSE; + } + + return TRUE; +} + +void +mate_theme_init () +{ + 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. */ + /* $datadir/themes */ + top_theme_dir_string = gtk_rc_get_theme_dir (); + 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); + +#ifdef XCURSOR_ICONDIR + /* 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); + } +#endif + +#ifdef HAVE_XCURSOR + /* make sure we have the default theme */ + if (!mate_theme_cursor_info_find ("default")) + add_default_cursor_theme (); +#else + /* If we don't have Xcursor, use the built-in cursor fonts instead */ + read_cursor_fonts (); +#endif + + /* done */ + initted = TRUE; + initting = FALSE; +} |