diff options
Diffstat (limited to 'plugins/xsettings/gsd-xsettings-manager.c')
| -rw-r--r-- | plugins/xsettings/gsd-xsettings-manager.c | 1088 |
1 files changed, 1088 insertions, 0 deletions
diff --git a/plugins/xsettings/gsd-xsettings-manager.c b/plugins/xsettings/gsd-xsettings-manager.c new file mode 100644 index 0000000..8aee25b --- /dev/null +++ b/plugins/xsettings/gsd-xsettings-manager.c @@ -0,0 +1,1088 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2007 Rodrigo Moya + * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include "config.h" + +#include <sys/types.h> +#include <sys/wait.h> +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <time.h> + +#include <glib.h> +#include <glib/gi18n.h> +#include <gdk/gdk.h> +#include <gdk/gdkx.h> +#include <gtk/gtk.h> +#include <gconf/gconf.h> +#include <gconf/gconf-client.h> + +#include "gnome-settings-profile.h" +#include "gsd-xsettings-manager.h" +#include "xsettings-manager.h" +#ifdef HAVE_FONTCONFIG +#include "fontconfig-monitor.h" +#endif /* HAVE_FONTCONFIG */ + +#define GNOME_XSETTINGS_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GNOME_TYPE_XSETTINGS_MANAGER, GnomeXSettingsManagerPrivate)) + +#define MOUSE_SETTINGS_DIR "/desktop/gnome/peripherals/mouse" +#define GTK_SETTINGS_DIR "/desktop/gtk" +#define INTERFACE_SETTINGS_DIR "/desktop/gnome/interface" +#define SOUND_SETTINGS_DIR "/desktop/gnome/sound" +#define GTK_MODULES_DIR "/apps/gnome_settings_daemon/gtk-modules" + +#ifdef HAVE_FONTCONFIG +#define FONT_RENDER_DIR "/desktop/gnome/font_rendering" +#define FONT_ANTIALIASING_KEY FONT_RENDER_DIR "/antialiasing" +#define FONT_HINTING_KEY FONT_RENDER_DIR "/hinting" +#define FONT_RGBA_ORDER_KEY FONT_RENDER_DIR "/rgba_order" +#define FONT_DPI_KEY FONT_RENDER_DIR "/dpi" + +/* X servers sometimes lie about the screen's physical dimensions, so we cannot + * compute an accurate DPI value. When this happens, the user gets fonts that + * are too huge or too tiny. So, we see what the server returns: if it reports + * something outside of the range [DPI_LOW_REASONABLE_VALUE, + * DPI_HIGH_REASONABLE_VALUE], then we assume that it is lying and we use + * DPI_FALLBACK instead. + * + * See get_dpi_from_gconf_or_server() below, and also + * https://bugzilla.novell.com/show_bug.cgi?id=217790 + */ +#define DPI_FALLBACK 96 +#define DPI_LOW_REASONABLE_VALUE 50 +#define DPI_HIGH_REASONABLE_VALUE 500 + +#endif /* HAVE_FONTCONFIG */ + +typedef struct _TranslationEntry TranslationEntry; +typedef void (* TranslationFunc) (GnomeXSettingsManager *manager, + TranslationEntry *trans, + GConfValue *value); + +struct _TranslationEntry { + const char *gconf_key; + const char *xsetting_name; + + GConfValueType gconf_type; + TranslationFunc translate; +}; + +struct GnomeXSettingsManagerPrivate +{ + XSettingsManager **managers; + guint notify[6]; +#ifdef HAVE_FONTCONFIG + fontconfig_monitor_handle_t *fontconfig_handle; +#endif /* HAVE_FONTCONFIG */ +}; + +#define GSD_XSETTINGS_ERROR gsd_xsettings_error_quark () + +enum { + GSD_XSETTINGS_ERROR_INIT +}; + +static void gnome_xsettings_manager_class_init (GnomeXSettingsManagerClass *klass); +static void gnome_xsettings_manager_init (GnomeXSettingsManager *xsettings_manager); +static void gnome_xsettings_manager_finalize (GObject *object); + +G_DEFINE_TYPE (GnomeXSettingsManager, gnome_xsettings_manager, G_TYPE_OBJECT) + +static gpointer manager_object = NULL; + +static GQuark +gsd_xsettings_error_quark (void) +{ + return g_quark_from_static_string ("gsd-xsettings-error-quark"); +} + +static void +translate_bool_int (GnomeXSettingsManager *manager, + TranslationEntry *trans, + GConfValue *value) +{ + int i; + + g_assert (value->type == trans->gconf_type); + + for (i = 0; manager->priv->managers [i]; i++) { + xsettings_manager_set_int (manager->priv->managers [i], trans->xsetting_name, + gconf_value_get_bool (value)); + } +} + +static void +translate_int_int (GnomeXSettingsManager *manager, + TranslationEntry *trans, + GConfValue *value) +{ + int i; + + g_assert (value->type == trans->gconf_type); + + for (i = 0; manager->priv->managers [i]; i++) { + xsettings_manager_set_int (manager->priv->managers [i], trans->xsetting_name, + gconf_value_get_int (value)); + } +} + +static void +translate_string_string (GnomeXSettingsManager *manager, + TranslationEntry *trans, + GConfValue *value) +{ + int i; + + g_assert (value->type == trans->gconf_type); + + for (i = 0; manager->priv->managers [i]; i++) { + xsettings_manager_set_string (manager->priv->managers [i], + trans->xsetting_name, + gconf_value_get_string (value)); + } +} + +static void +translate_string_string_toolbar (GnomeXSettingsManager *manager, + TranslationEntry *trans, + GConfValue *value) +{ + int i; + const char *tmp; + + g_assert (value->type == trans->gconf_type); + + /* This is kind of a workaround since GNOME expects the key value to be + * "both_horiz" and gtk+ wants the XSetting to be "both-horiz". + */ + tmp = gconf_value_get_string (value); + if (tmp && strcmp (tmp, "both_horiz") == 0) { + tmp = "both-horiz"; + } + + for (i = 0; manager->priv->managers [i]; i++) { + xsettings_manager_set_string (manager->priv->managers [i], + trans->xsetting_name, + tmp); + } +} + +static TranslationEntry translations [] = { + { "/desktop/gnome/peripherals/mouse/double_click", "Net/DoubleClickTime", GCONF_VALUE_INT, translate_int_int }, + { "/desktop/gnome/peripherals/mouse/drag_threshold", "Net/DndDragThreshold", GCONF_VALUE_INT, translate_int_int }, + { "/desktop/gnome/gtk-color-palette", "Gtk/ColorPalette", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/interface/font_name", "Gtk/FontName", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/interface/gtk_key_theme", "Gtk/KeyThemeName", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/interface/toolbar_style", "Gtk/ToolbarStyle", GCONF_VALUE_STRING, translate_string_string_toolbar }, + { "/desktop/gnome/interface/toolbar_icons_size", "Gtk/ToolbarIconSize", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/interface/can_change_accels", "Gtk/CanChangeAccels", GCONF_VALUE_BOOL, translate_bool_int }, + { "/desktop/gnome/interface/cursor_blink", "Net/CursorBlink", GCONF_VALUE_BOOL, translate_bool_int }, + { "/desktop/gnome/interface/cursor_blink_time", "Net/CursorBlinkTime", GCONF_VALUE_INT, translate_int_int }, + { "/desktop/gnome/interface/gtk_theme", "Net/ThemeName", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/interface/gtk_color_scheme", "Gtk/ColorScheme", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/interface/gtk-im-preedit-style", "Gtk/IMPreeditStyle", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/interface/gtk-im-status-style", "Gtk/IMStatusStyle", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/interface/gtk-im-module", "Gtk/IMModule", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/interface/icon_theme", "Net/IconThemeName", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/interface/file_chooser_backend", "Gtk/FileChooserBackend", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/interface/menus_have_icons", "Gtk/MenuImages", GCONF_VALUE_BOOL, translate_bool_int }, + { "/desktop/gnome/interface/buttons_have_icons", "Gtk/ButtonImages", GCONF_VALUE_BOOL, translate_bool_int }, + { "/desktop/gnome/interface/menubar_accel", "Gtk/MenuBarAccel", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/peripherals/mouse/cursor_theme", "Gtk/CursorThemeName", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/peripherals/mouse/cursor_size", "Gtk/CursorThemeSize", GCONF_VALUE_INT, translate_int_int }, + { "/desktop/gnome/interface/show_input_method_menu", "Gtk/ShowInputMethodMenu", GCONF_VALUE_BOOL, translate_bool_int }, + { "/desktop/gnome/interface/show_unicode_menu", "Gtk/ShowUnicodeMenu", GCONF_VALUE_BOOL, translate_bool_int }, + { "/desktop/gnome/sound/theme_name", "Net/SoundThemeName", GCONF_VALUE_STRING, translate_string_string }, + { "/desktop/gnome/sound/event_sounds", "Net/EnableEventSounds" , GCONF_VALUE_BOOL, translate_bool_int }, + { "/desktop/gnome/sound/input_feedback_sounds", "Net/EnableInputFeedbackSounds", GCONF_VALUE_BOOL, translate_bool_int } +}; + +#ifdef HAVE_FONTCONFIG +static double +dpi_from_pixels_and_mm (int pixels, + int mm) +{ + double dpi; + + if (mm >= 1) + dpi = pixels / (mm / 25.4); + else + dpi = 0; + + return dpi; +} + +static double +get_dpi_from_x_server (void) +{ + GdkScreen *screen; + double dpi; + + screen = gdk_screen_get_default (); + if (screen != NULL) { + double width_dpi, height_dpi; + + width_dpi = dpi_from_pixels_and_mm (gdk_screen_get_width (screen), gdk_screen_get_width_mm (screen)); + height_dpi = dpi_from_pixels_and_mm (gdk_screen_get_height (screen), gdk_screen_get_height_mm (screen)); + + if (width_dpi < DPI_LOW_REASONABLE_VALUE || width_dpi > DPI_HIGH_REASONABLE_VALUE + || height_dpi < DPI_LOW_REASONABLE_VALUE || height_dpi > DPI_HIGH_REASONABLE_VALUE) { + dpi = DPI_FALLBACK; + } else { + dpi = (width_dpi + height_dpi) / 2.0; + } + } else { + /* Huh!? No screen? */ + + dpi = DPI_FALLBACK; + } + + return dpi; +} + +static double +get_dpi_from_gconf_or_x_server (GConfClient *client) +{ + GConfValue *value; + double dpi; + + value = gconf_client_get_without_default (client, FONT_DPI_KEY, NULL); + + /* If the user has ever set the DPI preference in GConf, we use that. + * Otherwise, we see if the X server reports a reasonable DPI value: some X + * servers report completely bogus values, and the user gets huge or tiny + * fonts which are unusable. + */ + + if (value != NULL) { + dpi = gconf_value_get_float (value); + gconf_value_free (value); + } else { + dpi = get_dpi_from_x_server (); + } + + return dpi; +} + +typedef struct +{ + gboolean antialias; + gboolean hinting; + int dpi; + const char *rgba; + const char *hintstyle; +} GnomeXftSettings; + +static const char *rgba_types[] = { "rgb", "bgr", "vbgr", "vrgb" }; + +/* Read GConf settings and determine the appropriate Xft settings based on them + * This probably could be done a bit more cleanly with gconf_string_to_enum + */ +static void +xft_settings_get (GConfClient *client, + GnomeXftSettings *settings) +{ + char *antialiasing; + char *hinting; + char *rgba_order; + double dpi; + + antialiasing = gconf_client_get_string (client, FONT_ANTIALIASING_KEY, NULL); + hinting = gconf_client_get_string (client, FONT_HINTING_KEY, NULL); + rgba_order = gconf_client_get_string (client, FONT_RGBA_ORDER_KEY, NULL); + dpi = get_dpi_from_gconf_or_x_server (client); + + settings->antialias = TRUE; + settings->hinting = TRUE; + settings->hintstyle = "hintfull"; + settings->dpi = dpi * 1024; /* Xft wants 1/1024ths of an inch */ + settings->rgba = "rgb"; + + if (rgba_order) { + int i; + gboolean found = FALSE; + + for (i = 0; i < G_N_ELEMENTS (rgba_types) && !found; i++) { + if (strcmp (rgba_order, rgba_types[i]) == 0) { + settings->rgba = rgba_types[i]; + found = TRUE; + } + } + + if (!found) { + g_warning ("Invalid value for " FONT_RGBA_ORDER_KEY ": '%s'", + rgba_order); + } + } + + if (hinting) { + if (strcmp (hinting, "none") == 0) { + settings->hinting = 0; + settings->hintstyle = "hintnone"; + } else if (strcmp (hinting, "slight") == 0) { + settings->hinting = 1; + settings->hintstyle = "hintslight"; + } else if (strcmp (hinting, "medium") == 0) { + settings->hinting = 1; + settings->hintstyle = "hintmedium"; + } else if (strcmp (hinting, "full") == 0) { + settings->hinting = 1; + settings->hintstyle = "hintfull"; + } else { + g_warning ("Invalid value for " FONT_HINTING_KEY ": '%s'", + hinting); + } + } + + if (antialiasing) { + gboolean use_rgba = FALSE; + + if (strcmp (antialiasing, "none") == 0) { + settings->antialias = 0; + } else if (strcmp (antialiasing, "grayscale") == 0) { + settings->antialias = 1; + } else if (strcmp (antialiasing, "rgba") == 0) { + settings->antialias = 1; + use_rgba = TRUE; + } else { + g_warning ("Invalid value for " FONT_ANTIALIASING_KEY " : '%s'", + antialiasing); + } + + if (!use_rgba) { + settings->rgba = "none"; + } + } + + g_free (rgba_order); + g_free (hinting); + g_free (antialiasing); +} + +static void +xft_settings_set_xsettings (GnomeXSettingsManager *manager, + GnomeXftSettings *settings) +{ + int i; + + gnome_settings_profile_start (NULL); + + for (i = 0; manager->priv->managers [i]; i++) { + xsettings_manager_set_int (manager->priv->managers [i], "Xft/Antialias", settings->antialias); + xsettings_manager_set_int (manager->priv->managers [i], "Xft/Hinting", settings->hinting); + xsettings_manager_set_string (manager->priv->managers [i], "Xft/HintStyle", settings->hintstyle); + xsettings_manager_set_int (manager->priv->managers [i], "Xft/DPI", settings->dpi); + xsettings_manager_set_string (manager->priv->managers [i], "Xft/RGBA", settings->rgba); + } + gnome_settings_profile_end (NULL); +} + +static gboolean +write_all (int fd, + const char *buf, + gsize to_write) +{ + while (to_write > 0) { + gssize count = write (fd, buf, to_write); + if (count < 0) { + if (errno != EINTR) + return FALSE; + } else { + to_write -= count; + buf += count; + } + } + + return TRUE; +} + +static void +child_watch_cb (GPid pid, + int status, + gpointer user_data) +{ + char *command = user_data; + + gnome_settings_profile_end ("%s", command); + if (!WIFEXITED (status) || WEXITSTATUS (status)) { + g_warning ("Command %s failed", command); + } +} + +static void +spawn_with_input (const char *command, + const char *input) +{ + char **argv; + int child_pid; + int inpipe; + GError *error; + gboolean res; + + argv = NULL; + res = g_shell_parse_argv (command, NULL, &argv, NULL); + if (! res) { + g_warning ("Unable to parse command: %s", command); + return; + } + + gnome_settings_profile_start ("%s", command); + error = NULL; + res = g_spawn_async_with_pipes (NULL, + argv, + NULL, + G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD, + NULL, + NULL, + &child_pid, + &inpipe, + NULL, + NULL, + &error); + g_strfreev (argv); + + if (! res) { + g_warning ("Could not execute %s: %s", command, error->message); + g_error_free (error); + + return; + } + + if (input != NULL) { + if (! write_all (inpipe, input, strlen (input))) { + g_warning ("Could not write input to %s", command); + } + + close (inpipe); + } + + g_child_watch_add (child_pid, (GChildWatchFunc) child_watch_cb, (gpointer)command); +} + +static void +xft_settings_set_xresources (GnomeXftSettings *settings) +{ + const char *command; + GString *add_string; + char dpibuf[G_ASCII_DTOSTR_BUF_SIZE]; + + gnome_settings_profile_start (NULL); + + command = "xrdb -nocpp -merge"; + + add_string = g_string_new (NULL); + + g_string_append_printf (add_string, + "Xft.dpi: %s\n", + g_ascii_dtostr (dpibuf, sizeof (dpibuf), (double) settings->dpi / 1024.0)); + g_string_append_printf (add_string, + "Xft.antialias: %d\n", + settings->antialias); + g_string_append_printf (add_string, + "Xft.hinting: %d\n", + settings->hinting); + g_string_append_printf (add_string, + "Xft.hintstyle: %s\n", + settings->hintstyle); + g_string_append_printf (add_string, + "Xft.rgba: %s\n", + settings->rgba); + + spawn_with_input (command, add_string->str); + + g_string_free (add_string, TRUE); + + gnome_settings_profile_end (NULL); +} + +/* We mirror the Xft properties both through XSETTINGS and through + * X resources + */ +static void +update_xft_settings (GnomeXSettingsManager *manager, + GConfClient *client) +{ + GnomeXftSettings settings; + + gnome_settings_profile_start (NULL); + + xft_settings_get (client, &settings); + xft_settings_set_xsettings (manager, &settings); + xft_settings_set_xresources (&settings); + + gnome_settings_profile_end (NULL); +} + +static void +xft_callback (GConfClient *client, + guint cnxn_id, + GConfEntry *entry, + GnomeXSettingsManager *manager) +{ + int i; + + update_xft_settings (manager, client); + + for (i = 0; manager->priv->managers [i]; i++) { + xsettings_manager_notify (manager->priv->managers [i]); + } +} + +static void +fontconfig_callback (fontconfig_monitor_handle_t *handle, + GnomeXSettingsManager *manager) +{ + int i; + int timestamp = time (NULL); + + gnome_settings_profile_start (NULL); + + for (i = 0; manager->priv->managers [i]; i++) { + xsettings_manager_set_int (manager->priv->managers [i], "Fontconfig/Timestamp", timestamp); + xsettings_manager_notify (manager->priv->managers [i]); + } + gnome_settings_profile_end (NULL); +} + +static gboolean +start_fontconfig_monitor_idle_cb (GnomeXSettingsManager *manager) +{ + gnome_settings_profile_start (NULL); + + manager->priv->fontconfig_handle = fontconfig_monitor_start ((GFunc) fontconfig_callback, manager); + + gnome_settings_profile_end (NULL); + + return FALSE; +} + +static void +start_fontconfig_monitor (GnomeXSettingsManager *manager) +{ + gnome_settings_profile_start (NULL); + + fontconfig_cache_init (); + + g_idle_add ((GSourceFunc) start_fontconfig_monitor_idle_cb, manager); + + gnome_settings_profile_end (NULL); +} + +static void +stop_fontconfig_monitor (GnomeXSettingsManager *manager) +{ + if (manager->priv->fontconfig_handle) { + fontconfig_monitor_stop (manager->priv->fontconfig_handle); + manager->priv->fontconfig_handle = NULL; + } +} +#endif /* HAVE_FONTCONFIG */ + +static const char * +type_to_string (GConfValueType type) +{ + switch (type) { + case GCONF_VALUE_INT: + return "int"; + case GCONF_VALUE_STRING: + return "string"; + case GCONF_VALUE_FLOAT: + return "float"; + case GCONF_VALUE_BOOL: + return "bool"; + case GCONF_VALUE_SCHEMA: + return "schema"; + case GCONF_VALUE_LIST: + return "list"; + case GCONF_VALUE_PAIR: + return "pair"; + case GCONF_VALUE_INVALID: + return "*invalid*"; + default: + g_assert_not_reached(); + return NULL; /* for warnings */ + } +} + +static void +process_value (GnomeXSettingsManager *manager, + TranslationEntry *trans, + GConfValue *val) +{ + if (val == NULL) { + int i; + + for (i = 0; manager->priv->managers [i]; i++) { + xsettings_manager_delete_setting (manager->priv->managers [i], trans->xsetting_name); + } + } else { + if (val->type == trans->gconf_type) { + (* trans->translate) (manager, trans, val); + } else { + g_warning (_("GConf key %s set to type %s but its expected type was %s\n"), + trans->gconf_key, + type_to_string (val->type), + type_to_string (trans->gconf_type)); + } + } +} + +static TranslationEntry * +find_translation_entry (const char *gconf_key) +{ + int i; + + for (i = 0; i < G_N_ELEMENTS (translations); ++i) { + if (strcmp (translations[i].gconf_key, gconf_key) == 0) { + return &translations[i]; + } + } + + return NULL; +} + +static void +xsettings_callback (GConfClient *client, + guint cnxn_id, + GConfEntry *entry, + GnomeXSettingsManager *manager) +{ + TranslationEntry *trans; + int i; + + trans = find_translation_entry (entry->key); + if (trans == NULL) { + return; + } + + process_value (manager, trans, entry->value); + + for (i = 0; manager->priv->managers [i]; i++) { + xsettings_manager_set_string (manager->priv->managers [i], + "Net/FallbackIconTheme", + "gnome"); + } + + for (i = 0; manager->priv->managers [i]; i++) { + xsettings_manager_notify (manager->priv->managers [i]); + } +} + +static gchar * +get_gtk_modules (GConfClient *client) +{ + GSList *entries, *l; + GString *mods = g_string_new (NULL); + + entries = gconf_client_all_entries (client, GTK_MODULES_DIR, NULL); + + for (l = entries; l != NULL; l = g_slist_next (l)) { + GConfEntry *e = l->data; + GConfValue *v = gconf_entry_get_value (e); + + if (v != NULL) { + gboolean enabled = FALSE; + const gchar *key; + + switch (v->type) { + case GCONF_VALUE_BOOL: + /* simple enabled/disabled */ + enabled = gconf_value_get_bool (v); + break; + + /* due to limitations in GConf (or the client libraries, + * anyway), it is currently impossible to monitor + * arbitrary keys for changes, so these won't update at + * runtime */ + case GCONF_VALUE_STRING: + /* linked to another GConf key of type bool */ + key = gconf_value_get_string (v); + if (key != NULL && gconf_valid_key (key, NULL)) { + enabled = gconf_client_get_bool (client, key, NULL); + } + break; + + default: + g_warning ("GConf entry %s has invalid type %s", + gconf_entry_get_key (e), type_to_string (v->type)); + } + + if (enabled) { + const gchar *name; + name = strrchr (gconf_entry_get_key (e), '/') + 1; + + if (mods->len > 0) { + g_string_append_c (mods, ':'); + } + g_string_append (mods, name); + } + } + + gconf_entry_free (e); + } + + g_slist_free (entries); + + return g_string_free (mods, mods->len == 0); +} + +static void +gtk_modules_callback (GConfClient *client, + guint cnxn_id, + GConfEntry *entry, + GnomeXSettingsManager *manager) +{ + gchar *modules = get_gtk_modules (client); + int i; + + if (modules == NULL) { + for (i = 0; manager->priv->managers [i]; ++i) { + xsettings_manager_delete_setting (manager->priv->managers [i], "Gtk/Modules"); + } + } else { + g_debug ("Setting GTK modules '%s'", modules); + for (i = 0; manager->priv->managers [i]; ++i) { + xsettings_manager_set_string (manager->priv->managers [i], + "Gtk/Modules", + modules); + } + g_free (modules); + } + + for (i = 0; manager->priv->managers [i]; ++i) { + xsettings_manager_notify (manager->priv->managers [i]); + } +} + +static guint +register_config_callback (GnomeXSettingsManager *manager, + GConfClient *client, + const char *path, + GConfClientNotifyFunc func) +{ + return gconf_client_notify_add (client, path, func, manager, NULL, NULL); +} + +static void +terminate_cb (void *data) +{ + gboolean *terminated = data; + + if (*terminated) { + return; + } + + *terminated = TRUE; + + gtk_main_quit (); +} + +static gboolean +setup_xsettings_managers (GnomeXSettingsManager *manager) +{ + GdkDisplay *display; + int i; + int n_screens; + gboolean res; + gboolean terminated; + + display = gdk_display_get_default (); + n_screens = gdk_display_get_n_screens (display); + + res = xsettings_manager_check_running (gdk_x11_display_get_xdisplay (display), + gdk_screen_get_number (gdk_screen_get_default ())); + if (res) { + g_warning ("You can only run one xsettings manager at a time; exiting"); + return FALSE; + } + + manager->priv->managers = g_new0 (XSettingsManager *, n_screens + 1); + + terminated = FALSE; + for (i = 0; i < n_screens; i++) { + GdkScreen *screen; + + screen = gdk_display_get_screen (display, i); + + manager->priv->managers [i] = xsettings_manager_new (gdk_x11_display_get_xdisplay (display), + gdk_screen_get_number (screen), + terminate_cb, + &terminated); + if (! manager->priv->managers [i]) { + g_warning ("Could not create xsettings manager for screen %d!", i); + return FALSE; + } + } + + return TRUE; +} + +gboolean +gnome_xsettings_manager_start (GnomeXSettingsManager *manager, + GError **error) +{ + GConfClient *client; + int i; + + g_debug ("Starting xsettings manager"); + gnome_settings_profile_start (NULL); + + if (!setup_xsettings_managers (manager)) { + g_set_error (error, GSD_XSETTINGS_ERROR, + GSD_XSETTINGS_ERROR_INIT, + "Could not initialize xsettings manager."); + return FALSE; + } + + client = gconf_client_get_default (); + + gconf_client_add_dir (client, MOUSE_SETTINGS_DIR, GCONF_CLIENT_PRELOAD_ONELEVEL, NULL); + gconf_client_add_dir (client, GTK_SETTINGS_DIR, GCONF_CLIENT_PRELOAD_ONELEVEL, NULL); + gconf_client_add_dir (client, INTERFACE_SETTINGS_DIR, GCONF_CLIENT_PRELOAD_ONELEVEL, NULL); + gconf_client_add_dir (client, SOUND_SETTINGS_DIR, GCONF_CLIENT_PRELOAD_ONELEVEL, NULL); + gconf_client_add_dir (client, GTK_MODULES_DIR, GCONF_CLIENT_PRELOAD_ONELEVEL, NULL); + gconf_client_add_dir (client, FONT_RENDER_DIR, GCONF_CLIENT_PRELOAD_ONELEVEL, NULL); + + for (i = 0; i < G_N_ELEMENTS (translations); i++) { + GConfValue *val; + GError *err; + + err = NULL; + val = gconf_client_get (client, + translations[i].gconf_key, + &err); + + if (err != NULL) { + g_warning ("Error getting value for %s: %s", + translations[i].gconf_key, + err->message); + g_error_free (err); + } else { + process_value (manager, &translations[i], val); + if (val != NULL) { + gconf_value_free (val); + } + } + } + + manager->priv->notify[0] = + register_config_callback (manager, client, + MOUSE_SETTINGS_DIR, + (GConfClientNotifyFunc) xsettings_callback); + manager->priv->notify[1] = + register_config_callback (manager, client, + GTK_SETTINGS_DIR, + (GConfClientNotifyFunc) xsettings_callback); + manager->priv->notify[2] = + register_config_callback (manager, client, + INTERFACE_SETTINGS_DIR, + (GConfClientNotifyFunc) xsettings_callback); + manager->priv->notify[3] = + register_config_callback (manager, client, + SOUND_SETTINGS_DIR, + (GConfClientNotifyFunc) xsettings_callback); + + manager->priv->notify[4] = + register_config_callback (manager, client, + GTK_MODULES_DIR, + (GConfClientNotifyFunc) gtk_modules_callback); + gtk_modules_callback (client, 0, NULL, manager); + +#ifdef HAVE_FONTCONFIG + manager->priv->notify[5] = + register_config_callback (manager, client, + FONT_RENDER_DIR, + (GConfClientNotifyFunc) xft_callback); + update_xft_settings (manager, client); + + start_fontconfig_monitor (manager); +#endif /* HAVE_FONTCONFIG */ + + g_object_unref (client); + + for (i = 0; manager->priv->managers [i]; i++) + xsettings_manager_set_string (manager->priv->managers [i], + "Net/FallbackIconTheme", + "gnome"); + + for (i = 0; manager->priv->managers [i]; i++) { + xsettings_manager_notify (manager->priv->managers [i]); + } + + + gnome_settings_profile_end (NULL); + + return TRUE; +} + +void +gnome_xsettings_manager_stop (GnomeXSettingsManager *manager) +{ + GnomeXSettingsManagerPrivate *p = manager->priv; + GConfClient *client; + int i; + + g_debug ("Stopping xsettings manager"); + + if (p->managers != NULL) { + for (i = 0; p->managers [i]; ++i) + xsettings_manager_destroy (p->managers [i]); + + g_free (p->managers); + p->managers = NULL; + } + + client = gconf_client_get_default (); + + gconf_client_remove_dir (client, MOUSE_SETTINGS_DIR, NULL); + gconf_client_remove_dir (client, GTK_SETTINGS_DIR, NULL); + gconf_client_remove_dir (client, INTERFACE_SETTINGS_DIR, NULL); + gconf_client_remove_dir (client, SOUND_SETTINGS_DIR, NULL); + gconf_client_remove_dir (client, GTK_MODULES_DIR, NULL); +#ifdef HAVE_FONTCONFIG + gconf_client_remove_dir (client, FONT_RENDER_DIR, NULL); + + stop_fontconfig_monitor (manager); +#endif /* HAVE_FONTCONFIG */ + + for (i = 0; i < G_N_ELEMENTS (p->notify); ++i) { + if (p->notify[i] != 0) { + gconf_client_notify_remove (client, p->notify[i]); + p->notify[i] = 0; + } + } + + g_object_unref (client); +} + +static void +gnome_xsettings_manager_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + GnomeXSettingsManager *self; + + self = GNOME_XSETTINGS_MANAGER (object); + + switch (prop_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gnome_xsettings_manager_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + GnomeXSettingsManager *self; + + self = GNOME_XSETTINGS_MANAGER (object); + + switch (prop_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static GObject * +gnome_xsettings_manager_constructor (GType type, + guint n_construct_properties, + GObjectConstructParam *construct_properties) +{ + GnomeXSettingsManager *xsettings_manager; + GnomeXSettingsManagerClass *klass; + + klass = GNOME_XSETTINGS_MANAGER_CLASS (g_type_class_peek (GNOME_TYPE_XSETTINGS_MANAGER)); + + xsettings_manager = GNOME_XSETTINGS_MANAGER (G_OBJECT_CLASS (gnome_xsettings_manager_parent_class)->constructor (type, + n_construct_properties, + construct_properties)); + + return G_OBJECT (xsettings_manager); +} + +static void +gnome_xsettings_manager_dispose (GObject *object) +{ + GnomeXSettingsManager *xsettings_manager; + + xsettings_manager = GNOME_XSETTINGS_MANAGER (object); + + G_OBJECT_CLASS (gnome_xsettings_manager_parent_class)->dispose (object); +} + +static void +gnome_xsettings_manager_class_init (GnomeXSettingsManagerClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->get_property = gnome_xsettings_manager_get_property; + object_class->set_property = gnome_xsettings_manager_set_property; + object_class->constructor = gnome_xsettings_manager_constructor; + object_class->dispose = gnome_xsettings_manager_dispose; + object_class->finalize = gnome_xsettings_manager_finalize; + + g_type_class_add_private (klass, sizeof (GnomeXSettingsManagerPrivate)); +} + +static void +gnome_xsettings_manager_init (GnomeXSettingsManager *manager) +{ + manager->priv = GNOME_XSETTINGS_MANAGER_GET_PRIVATE (manager); +} + +static void +gnome_xsettings_manager_finalize (GObject *object) +{ + GnomeXSettingsManager *xsettings_manager; + + g_return_if_fail (object != NULL); + g_return_if_fail (GNOME_IS_XSETTINGS_MANAGER (object)); + + xsettings_manager = GNOME_XSETTINGS_MANAGER (object); + + g_return_if_fail (xsettings_manager->priv != NULL); + + G_OBJECT_CLASS (gnome_xsettings_manager_parent_class)->finalize (object); +} + +GnomeXSettingsManager * +gnome_xsettings_manager_new (void) +{ + if (manager_object != NULL) { + g_object_ref (manager_object); + } else { + manager_object = g_object_new (GNOME_TYPE_XSETTINGS_MANAGER, NULL); + g_object_add_weak_pointer (manager_object, + (gpointer *) &manager_object); + } + + return GNOME_XSETTINGS_MANAGER (manager_object); +} |