/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ /* Mutter preferences */ /* * Copyright (C) 2001 Havoc Pennington, Copyright (C) 2002 Red Hat Inc. * Copyright (C) 2006 Elijah Newren * Copyright (C) 2008 Thomas Thurman * * 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 #include "prefs.h" #include "ui.h" #include "util.h" #ifdef HAVE_GCONF #include #endif #include #include #define MAX_REASONABLE_WORKSPACES 36 #define MAX_COMMANDS (32 + NUM_EXTRA_COMMANDS) #define NUM_EXTRA_COMMANDS 2 #define SCREENSHOT_COMMAND_IDX (MAX_COMMANDS - 2) #define WIN_SCREENSHOT_COMMAND_IDX (MAX_COMMANDS - 1) /* If you add a key, it needs updating in init() and in the gconf * notify listener and of course in the .schemas file. * * Keys which are handled by one of the unified handlers below are * not given a name here, because the purpose of the unified handlers * is that keys should be referred to exactly once. */ #define KEY_TITLEBAR_FONT "/apps/metacity/general/titlebar_font" #define KEY_NUM_WORKSPACES "/apps/metacity/general/num_workspaces" #define KEY_COMPOSITOR "/apps/metacity/general/compositing_manager" #define KEY_GNOME_ACCESSIBILITY "/desktop/gnome/interface/accessibility" #define KEY_COMMAND_PREFIX "/apps/metacity/keybinding_commands/command_" #define KEY_TERMINAL_DIR "/desktop/gnome/applications/terminal" #define KEY_TERMINAL_COMMAND KEY_TERMINAL_DIR "/exec" #define KEY_OVERLAY_KEY "/apps/mutter/general/overlay_key" #define KEY_SCREEN_BINDINGS_PREFIX "/apps/metacity/global_keybindings" #define KEY_WINDOW_BINDINGS_PREFIX "/apps/metacity/window_keybindings" #define KEY_LIST_BINDINGS_SUFFIX "_list" #define KEY_WORKSPACE_NAME_PREFIX "/apps/metacity/workspace_names/name_" #define KEY_CLUTTER_PLUGINS "/apps/mutter/general/clutter_plugins" #define KEY_LIVE_HIDDEN_WINDOWS "/apps/mutter/general/live_hidden_windows" #define KEY_NO_TAB_POPUP "/apps/metacity/general/no_tab_popup" #ifdef HAVE_GCONF static GConfClient *default_client = NULL; static GList *changes = NULL; static guint changed_idle; static GList *listeners = NULL; #endif static gboolean use_system_font = FALSE; static PangoFontDescription *titlebar_font = NULL; static MetaVirtualModifier mouse_button_mods = Mod1Mask; static MetaFocusMode focus_mode = META_FOCUS_MODE_CLICK; static MetaFocusNewWindows focus_new_windows = META_FOCUS_NEW_WINDOWS_SMART; static gboolean raise_on_click = TRUE; static char* current_theme = NULL; static int num_workspaces = 4; static MetaActionTitlebar action_double_click_titlebar = META_ACTION_TITLEBAR_TOGGLE_MAXIMIZE; static MetaActionTitlebar action_middle_click_titlebar = META_ACTION_TITLEBAR_LOWER; static MetaActionTitlebar action_right_click_titlebar = META_ACTION_TITLEBAR_MENU; static gboolean application_based = FALSE; static gboolean disable_workarounds = FALSE; static gboolean auto_raise = FALSE; static gboolean auto_raise_delay = 500; static gboolean provide_visual_bell = FALSE; static gboolean bell_is_audible = TRUE; static gboolean reduced_resources = FALSE; static gboolean gnome_accessibility = FALSE; static gboolean gnome_animations = TRUE; static char *cursor_theme = NULL; static int cursor_size = 24; static gboolean compositing_manager = FALSE; static gboolean resize_with_right_button = FALSE; static MetaVisualBellType visual_bell_type = META_VISUAL_BELL_FULLSCREEN_FLASH; static MetaButtonLayout button_layout; /* The screenshot commands are at the end */ static char *commands[MAX_COMMANDS] = { NULL, }; static char *terminal_command = NULL; static char *workspace_names[MAX_REASONABLE_WORKSPACES] = { NULL, }; static gboolean clutter_plugins_overridden = FALSE; static GSList *clutter_plugins = NULL; static gboolean live_hidden_windows = FALSE; static gboolean no_tab_popup = FALSE; #ifdef HAVE_GCONF static gboolean handle_preference_update_enum (const gchar *key, GConfValue *value); static gboolean update_key_binding (const char *name, const char *value); static gboolean find_and_update_list_binding (MetaKeyPref *bindings, const char *name, GSList *value); static gboolean update_key_list_binding (const char *name, GSList *value); static gboolean update_command (const char *name, const char *value); static gboolean update_workspace_name (const char *name, const char *value); static void change_notify (GConfClient *client, guint cnxn_id, GConfEntry *entry, gpointer user_data); static char* gconf_key_for_workspace_name (int i); static void queue_changed (MetaPreference pref); typedef enum { META_LIST_OF_STRINGS, META_LIST_OF_GCONFVALUE_STRINGS } MetaStringListType; static gboolean update_list_binding (MetaKeyPref *binding, GSList *value, MetaStringListType type_of_value); static void cleanup_error (GError **error); static gboolean get_bool (const char *key, gboolean *val); static void maybe_give_disable_workarounds_warning (void); static void titlebar_handler (MetaPreference, const gchar*, gboolean*); static void theme_name_handler (MetaPreference, const gchar*, gboolean*); static void mouse_button_mods_handler (MetaPreference, const gchar*, gboolean*); static void button_layout_handler (MetaPreference, const gchar*, gboolean*); #endif /* HAVE_GCONF */ static gboolean update_binding (MetaKeyPref *binding, const char *value); static void init_bindings (void); static void init_commands (void); static void init_workspace_names (void); #ifndef HAVE_GCONF static void init_button_layout (void); #endif /* !HAVE_GCONF */ #ifdef HAVE_GCONF typedef struct { MetaPrefsChangedFunc func; gpointer data; } MetaPrefsListener; static GConfEnumStringPair symtab_focus_mode[] = { { META_FOCUS_MODE_CLICK, "click" }, { META_FOCUS_MODE_SLOPPY, "sloppy" }, { META_FOCUS_MODE_MOUSE, "mouse" }, { 0, NULL }, }; static GConfEnumStringPair symtab_focus_new_windows[] = { { META_FOCUS_NEW_WINDOWS_SMART, "smart" }, { META_FOCUS_NEW_WINDOWS_STRICT, "strict" }, { 0, NULL }, }; static GConfEnumStringPair symtab_visual_bell_type[] = { /* Note to the reader: 0 is an invalid value; these start at 1. */ { META_VISUAL_BELL_FULLSCREEN_FLASH, "fullscreen" }, { META_VISUAL_BELL_FRAME_FLASH, "frame_flash" }, { 0, NULL }, }; static GConfEnumStringPair symtab_titlebar_action[] = { { META_ACTION_TITLEBAR_TOGGLE_SHADE, "toggle_shade" }, { META_ACTION_TITLEBAR_TOGGLE_MAXIMIZE, "toggle_maximize" }, { META_ACTION_TITLEBAR_TOGGLE_MAXIMIZE_HORIZONTALLY, "toggle_maximize_horizontally" }, { META_ACTION_TITLEBAR_TOGGLE_MAXIMIZE_VERTICALLY, "toggle_maximize_vertically" }, { META_ACTION_TITLEBAR_MINIMIZE, "minimize" }, { META_ACTION_TITLEBAR_NONE, "none" }, { META_ACTION_TITLEBAR_LOWER, "lower" }, { META_ACTION_TITLEBAR_MENU, "menu" }, { META_ACTION_TITLEBAR_TOGGLE_SHADE, "toggle_shade" }, { 0, NULL }, }; /** * The details of one preference which is constrained to be * one of a small number of string values-- in other words, * an enumeration. * * We could have done this other ways. One particularly attractive * possibility would have been to represent the entire symbol table * as a space-separated string literal in the list of symtabs, so * the focus mode enums could have been represented simply by * "click sloppy mouse". However, the simplicity gained would have * been outweighed by the bugs caused when the ordering of the enum * strings got out of sync with the actual enum statement. Also, * there is existing library code to use this kind of symbol tables. * * Other things we might consider doing to clean this up in the * future include: * * - most of the keys begin with the same prefix, and perhaps we * could assume it if they don't start with a slash * * - there are several cases where a single identifier could be used * to generate an entire entry, and perhaps this could be done * with a macro. (This would reduce clarity, however, and is * probably a bad thing.) * * - these types all begin with a gchar* (and contain a MetaPreference) * and we can factor out the repeated code in the handlers by taking * advantage of this using some kind of union arrangement. */ typedef struct { gchar *key; MetaPreference pref; GConfEnumStringPair *symtab; gpointer target; } MetaEnumPreference; typedef struct { gchar *key; MetaPreference pref; gboolean *target; gboolean becomes_true_on_destruction; } MetaBoolPreference; typedef struct { gchar *key; MetaPreference pref; /** * A handler. Many of the string preferences aren't stored as * strings and need parsing; others of them have default values * which can't be solved in the general case. If you include a * function pointer here, it will be called before the string * value is written out to the target variable. * * The function is passed two arguments: the preference, and * the new string as a gchar*. It returns a gboolean; * only if this is true, the listeners will be informed that * the preference has changed. * * This may be NULL. If it is, see "target", below. */ void (*handler) (MetaPreference pref, const gchar *string_value, gboolean *inform_listeners); /** * Where to write the incoming string. * * This must be NULL if the handler is non-NULL. * If the incoming string is NULL, no change will be made. */ gchar **target; } MetaStringPreference; #define METAINTPREFERENCE_NO_CHANGE_ON_DESTROY G_MININT typedef struct { gchar *key; MetaPreference pref; gint *target; /** * Minimum and maximum values of the integer. * If the new value is out of bounds, it will be discarded with a warning. */ gint minimum, maximum; /** * Value to use if the key is destroyed. * If this is METAINTPREFERENCE_NO_CHANGE_ON_DESTROY, it will * not be changed when the key is destroyed. */ gint value_if_destroyed; } MetaIntPreference; /* FIXMEs: */ /* @@@ Don't use NULL lines at the end; glib can tell you how big it is */ /* @@@ /apps/mutter/general should be assumed if first char is not / */ /* @@@ Will it ever be possible to merge init and update? If not, why not? */ static MetaEnumPreference preferences_enum[] = { { "/apps/metacity/general/focus_new_windows", META_PREF_FOCUS_NEW_WINDOWS, symtab_focus_new_windows, &focus_new_windows, }, { "/apps/metacity/general/focus_mode", META_PREF_FOCUS_MODE, symtab_focus_mode, &focus_mode, }, { "/apps/metacity/general/visual_bell_type", META_PREF_VISUAL_BELL_TYPE, symtab_visual_bell_type, &visual_bell_type, }, { "/apps/metacity/general/action_double_click_titlebar", META_PREF_ACTION_DOUBLE_CLICK_TITLEBAR, symtab_titlebar_action, &action_double_click_titlebar, }, { "/apps/metacity/general/action_middle_click_titlebar", META_PREF_ACTION_MIDDLE_CLICK_TITLEBAR, symtab_titlebar_action, &action_middle_click_titlebar, }, { "/apps/metacity/general/action_right_click_titlebar", META_PREF_ACTION_RIGHT_CLICK_TITLEBAR, symtab_titlebar_action, &action_right_click_titlebar, }, { NULL, 0, NULL, NULL }, }; static MetaBoolPreference preferences_bool[] = { { "/apps/metacity/general/raise_on_click", META_PREF_RAISE_ON_CLICK, &raise_on_click, TRUE, }, { "/apps/metacity/general/titlebar_uses_system_font", META_PREF_TITLEBAR_FONT, /* note! shares a pref */ &use_system_font, TRUE, }, { "/apps/metacity/general/application_based", META_PREF_APPLICATION_BASED, NULL, /* feature is known but disabled */ FALSE, }, { "/apps/metacity/general/disable_workarounds", META_PREF_DISABLE_WORKAROUNDS, &disable_workarounds, FALSE, }, { "/apps/metacity/general/auto_raise", META_PREF_AUTO_RAISE, &auto_raise, FALSE, }, { "/apps/metacity/general/visual_bell", META_PREF_VISUAL_BELL, &provide_visual_bell, /* FIXME: change the name: it's confusing */ FALSE, }, { "/apps/metacity/general/audible_bell", META_PREF_AUDIBLE_BELL, &bell_is_audible, /* FIXME: change the name: it's confusing */ FALSE, }, { "/apps/metacity/general/reduced_resources", META_PREF_REDUCED_RESOURCES, &reduced_resources, FALSE, }, { "/desktop/gnome/interface/accessibility", META_PREF_GNOME_ACCESSIBILITY, &gnome_accessibility, FALSE, }, { "/desktop/gnome/interface/enable_animations", META_PREF_GNOME_ANIMATIONS, &gnome_animations, TRUE, }, { "/apps/metacity/general/compositing_manager", META_PREF_COMPOSITING_MANAGER, &compositing_manager, FALSE, }, { "/apps/metacity/general/resize_with_right_button", META_PREF_RESIZE_WITH_RIGHT_BUTTON, &resize_with_right_button, FALSE, }, { "/apps/mutter/general/live_hidden_windows", META_PREF_LIVE_HIDDEN_WINDOWS, &live_hidden_windows, FALSE, }, { "/apps/metacity/general/no_tab_popup", META_PREF_NO_TAB_POPUP, &no_tab_popup, FALSE, }, { NULL, 0, NULL, FALSE }, }; static MetaStringPreference preferences_string[] = { { "/apps/metacity/general/mouse_button_modifier", META_PREF_MOUSE_BUTTON_MODS, mouse_button_mods_handler, NULL, }, { "/apps/metacity/general/theme", META_PREF_THEME, theme_name_handler, NULL, }, { KEY_TITLEBAR_FONT, META_PREF_TITLEBAR_FONT, titlebar_handler, NULL, }, { KEY_TERMINAL_COMMAND, META_PREF_TERMINAL_COMMAND, NULL, &terminal_command, }, { "/apps/metacity/general/button_layout", META_PREF_BUTTON_LAYOUT, button_layout_handler, NULL, }, { "/desktop/gnome/peripherals/mouse/cursor_theme", META_PREF_CURSOR_THEME, NULL, &cursor_theme, }, { NULL, 0, NULL, NULL }, }; static MetaIntPreference preferences_int[] = { { "/apps/metacity/general/num_workspaces", META_PREF_NUM_WORKSPACES, &num_workspaces, /* I would actually recommend we change the destroy value to 4 * and get rid of METAINTPREFERENCE_NO_CHANGE_ON_DESTROY entirely. * -- tthurman */ 1, MAX_REASONABLE_WORKSPACES, METAINTPREFERENCE_NO_CHANGE_ON_DESTROY, }, { "/apps/metacity/general/auto_raise_delay", META_PREF_AUTO_RAISE_DELAY, &auto_raise_delay, 0, 10000, 0, /* @@@ Get rid of MAX_REASONABLE_AUTO_RAISE_DELAY */ }, { "/desktop/gnome/peripherals/mouse/cursor_size", META_PREF_CURSOR_SIZE, &cursor_size, 1, 128, 24, }, { NULL, 0, NULL, 0, 0, 0, }, }; static void handle_preference_init_enum (void) { MetaEnumPreference *cursor = preferences_enum; while (cursor->key!=NULL) { char *value; GError *error = NULL; if (cursor->target==NULL) { ++cursor; continue; } value = gconf_client_get_string (default_client, cursor->key, &error); cleanup_error (&error); if (value==NULL) { ++cursor; continue; } if (!gconf_string_to_enum (cursor->symtab, value, (gint *) cursor->target)) meta_warning (_("GConf key '%s' is set to an invalid value\n"), cursor->key); g_free (value); ++cursor; } } static void handle_preference_init_bool (void) { MetaBoolPreference *cursor = preferences_bool; while (cursor->key!=NULL) { if (cursor->target!=NULL) get_bool (cursor->key, cursor->target); ++cursor; } maybe_give_disable_workarounds_warning (); } static void handle_preference_init_string (void) { MetaStringPreference *cursor = preferences_string; while (cursor->key!=NULL) { char *value; GError *error = NULL; gboolean dummy = TRUE; /* the string "value" will be newly allocated */ value = gconf_client_get_string (default_client, cursor->key, &error); if (error || !value) { cleanup_error (&error); ++cursor; continue; } if (cursor->handler) { if (cursor->target) meta_bug ("%s has both a target and a handler\n", cursor->key); cursor->handler (cursor->pref, value, &dummy); g_free (value); } else if (cursor->target) { if (*(cursor->target)) g_free (*(cursor->target)); *(cursor->target) = value; } ++cursor; } } static void handle_preference_init_int (void) { MetaIntPreference *cursor = preferences_int; while (cursor->key!=NULL) { gint value; GError *error = NULL; value = gconf_client_get_int (default_client, cursor->key, &error); cleanup_error (&error); if (value < cursor->minimum || value > cursor->maximum) { meta_warning (_("%d stored in GConf key %s is out of range %d to %d\n"), value, cursor->key, cursor->minimum, cursor->maximum); /* Former behaviour for out-of-range values was: * - number of workspaces was clamped; * - auto raise delay was always reset to zero even if too high!; * - cursor size was ignored. * * These seem to be meaningless variations. If they did * have meaning we could have put them into MetaIntPreference. * The last of these is the closest to how we behave for * other types, so I think we should standardise on that. */ } else if (cursor->target) *cursor->target = value; ++cursor; } } static gboolean handle_preference_update_enum (const gchar *key, GConfValue *value) { MetaEnumPreference *cursor = preferences_enum; gint old_value; while (cursor->key!=NULL && strcmp (key, cursor->key)!=0) ++cursor; if (cursor->key==NULL) /* Didn't recognise that key. */ return FALSE; /* Setting it to null (that is, removing it) always means * "don't change". */ if (value==NULL) return TRUE; /* Check the type. Enums are always strings. */ if (value->type != GCONF_VALUE_STRING) { meta_warning (_("GConf key \"%s\" is set to an invalid type\n"), key); /* But we did recognise it. */ return TRUE; } /* We need to know whether the value changes, so * store the current value away. */ old_value = * ((gint *) cursor->target); /* Now look it up... */ if (!gconf_string_to_enum (cursor->symtab, gconf_value_get_string (value), (gint *) cursor->target)) { /* * We found it, but it was invalid. Complain. * * FIXME: This replicates the original behaviour, but in the future * we might consider reverting invalid keys to their original values. * (We know the old value, so we can look up a suitable string in * the symtab.) * * (Empty comment follows so the translators don't see this.) */ /* */ meta_warning (_("GConf key '%s' is set to an invalid value\n"), key); return TRUE; } /* Did it change? If so, tell the listeners about it. */ if (old_value != *((gint *) cursor->target)) queue_changed (cursor->pref); return TRUE; } static gboolean handle_preference_update_bool (const gchar *key, GConfValue *value) { MetaBoolPreference *cursor = preferences_bool; gboolean old_value; while (cursor->key!=NULL && strcmp (key, cursor->key)!=0) ++cursor; if (cursor->key==NULL) /* Didn't recognise that key. */ return FALSE; if (cursor->target==NULL) /* No work for us to do. */ return TRUE; if (value==NULL) { /* Value was destroyed; let's get out of here. */ if (cursor->becomes_true_on_destruction) /* This preserves the behaviour of the old system, but * for all I know that might have been an oversight. */ *((gboolean *)cursor->target) = TRUE; return TRUE; } /* Check the type. */ if (value->type != GCONF_VALUE_BOOL) { meta_warning (_("GConf key \"%s\" is set to an invalid type\n"), key); /* But we did recognise it. */ return TRUE; } /* We need to know whether the value changes, so * store the current value away. */ old_value = * ((gboolean *) cursor->target); /* Now look it up... */ *((gboolean *) cursor->target) = gconf_value_get_bool (value); /* Did it change? If so, tell the listeners about it. */ if (old_value != *((gboolean *) cursor->target)) queue_changed (cursor->pref); if (cursor->pref==META_PREF_DISABLE_WORKAROUNDS) maybe_give_disable_workarounds_warning (); return TRUE; } static gboolean handle_preference_update_string (const gchar *key, GConfValue *value) { MetaStringPreference *cursor = preferences_string; const gchar *value_as_string; gboolean inform_listeners = TRUE; while (cursor->key!=NULL && strcmp (key, cursor->key)!=0) ++cursor; if (cursor->key==NULL) /* Didn't recognise that key. */ return FALSE; if (value==NULL) return TRUE; /* Check the type. */ if (value->type != GCONF_VALUE_STRING) { meta_warning (_("GConf key \"%s\" is set to an invalid type\n"), key); /* But we did recognise it. */ return TRUE; } /* Docs: "The returned string is not a copy, don't try to free it." */ value_as_string = gconf_value_get_string (value); if (cursor->handler) cursor->handler (cursor->pref, value_as_string, &inform_listeners); else if (cursor->target) { if (*(cursor->target)) g_free(*(cursor->target)); if (value_as_string!=NULL) *(cursor->target) = g_strdup (value_as_string); else *(cursor->target) = NULL; inform_listeners = (value_as_string==NULL && *(cursor->target)==NULL) || (value_as_string!=NULL && *(cursor->target)!=NULL && strcmp (value_as_string, *(cursor->target))==0); } if (inform_listeners) queue_changed (cursor->pref); return TRUE; } static gboolean handle_preference_update_int (const gchar *key, GConfValue *value) { MetaIntPreference *cursor = preferences_int; gint new_value; while (cursor->key!=NULL && strcmp (key, cursor->key)!=0) ++cursor; if (cursor->key==NULL) /* Didn't recognise that key. */ return FALSE; if (cursor->target==NULL) /* No work for us to do. */ return TRUE; if (value==NULL) { /* Value was destroyed. */ if (cursor->value_if_destroyed != METAINTPREFERENCE_NO_CHANGE_ON_DESTROY) *((gint *)cursor->target) = cursor->value_if_destroyed; return TRUE; } /* Check the type. */ if (value->type != GCONF_VALUE_INT) { meta_warning (_("GConf key \"%s\" is set to an invalid type\n"), key); /* But we did recognise it. */ return TRUE; } new_value = gconf_value_get_int (value); if (new_value < cursor->minimum || new_value > cursor->maximum) { meta_warning (_("%d stored in GConf key %s is out of range %d to %d\n"), new_value, cursor->key, cursor->minimum, cursor->maximum); return TRUE; } /* Did it change? If so, tell the listeners about it. */ if (*cursor->target != new_value) { *cursor->target = new_value; queue_changed (cursor->pref); } return TRUE; } /****************************************************************************/ /* Listeners. */ /****************************************************************************/ void meta_prefs_add_listener (MetaPrefsChangedFunc func, gpointer data) { MetaPrefsListener *l; l = g_new (MetaPrefsListener, 1); l->func = func; l->data = data; listeners = g_list_prepend (listeners, l); } void meta_prefs_remove_listener (MetaPrefsChangedFunc func, gpointer data) { GList *tmp; tmp = listeners; while (tmp != NULL) { MetaPrefsListener *l = tmp->data; if (l->func == func && l->data == data) { g_free (l); listeners = g_list_delete_link (listeners, tmp); return; } tmp = tmp->next; } meta_bug ("Did not find listener to remove\n"); } static void emit_changed (MetaPreference pref) { GList *tmp; GList *copy; meta_topic (META_DEBUG_PREFS, "Notifying listeners that pref %s changed\n", meta_preference_to_string (pref)); copy = g_list_copy (listeners); tmp = copy; while (tmp != NULL) { MetaPrefsListener *l = tmp->data; (* l->func) (pref, l->data); tmp = tmp->next; } g_list_free (copy); } static gboolean changed_idle_handler (gpointer data) { GList *tmp; GList *copy; changed_idle = 0; copy = g_list_copy (changes); /* reentrancy paranoia */ g_list_free (changes); changes = NULL; tmp = copy; while (tmp != NULL) { MetaPreference pref = GPOINTER_TO_INT (tmp->data); emit_changed (pref); tmp = tmp->next; } g_list_free (copy); return FALSE; } static void queue_changed (MetaPreference pref) { meta_topic (META_DEBUG_PREFS, "Queueing change of pref %s\n", meta_preference_to_string (pref)); if (g_list_find (changes, GINT_TO_POINTER (pref)) == NULL) changes = g_list_prepend (changes, GINT_TO_POINTER (pref)); else meta_topic (META_DEBUG_PREFS, "Change of pref %s was already pending\n", meta_preference_to_string (pref)); /* add idle at priority below the gconf notify idle */ if (changed_idle == 0) changed_idle = g_idle_add_full (META_PRIORITY_PREFS_NOTIFY, changed_idle_handler, NULL, NULL); } #else /* HAVE_GCONF */ void meta_prefs_add_listener (MetaPrefsChangedFunc func, gpointer data) { /* Nothing, because they have gconf turned off */ } void meta_prefs_remove_listener (MetaPrefsChangedFunc func, gpointer data) { /* Nothing, because they have gconf turned off */ } #endif /* HAVE_GCONF */ /****************************************************************************/ /* Initialisation. */ /****************************************************************************/ #ifdef HAVE_GCONF /* @@@ again, use glib's ability to tell you the size of the array */ static gchar *gconf_dirs_we_are_interested_in[] = { "/apps/metacity", "/apps/mutter", KEY_TERMINAL_DIR, KEY_GNOME_ACCESSIBILITY, "/desktop/gnome/peripherals/mouse", "/desktop/gnome/interface", NULL, }; #endif void meta_prefs_init (void) { #ifdef HAVE_GCONF GError *err = NULL; gchar **gconf_dir_cursor; if (default_client != NULL) return; /* returns a reference which we hold forever */ default_client = gconf_client_get_default (); for (gconf_dir_cursor=gconf_dirs_we_are_interested_in; *gconf_dir_cursor!=NULL; gconf_dir_cursor++) { gconf_client_add_dir (default_client, *gconf_dir_cursor, GCONF_CLIENT_PRELOAD_RECURSIVE, &err); cleanup_error (&err); } /* Pick up initial values. */ handle_preference_init_enum (); handle_preference_init_bool (); handle_preference_init_string (); handle_preference_init_int (); if (!clutter_plugins_overridden) clutter_plugins = gconf_client_get_list (default_client, KEY_CLUTTER_PLUGINS, GCONF_VALUE_STRING, &err); cleanup_error (&err); /* @@@ Is there any reason we don't do the add_dir here? */ for (gconf_dir_cursor=gconf_dirs_we_are_interested_in; *gconf_dir_cursor!=NULL; gconf_dir_cursor++) { gconf_client_notify_add (default_client, *gconf_dir_cursor, change_notify, NULL, NULL, &err); cleanup_error (&err); } #else /* HAVE_GCONF */ /* Set defaults for some values that can't be set at initialization time of * the static globals. In the case of the theme, note that there is code * elsewhere that will do everything possible to fallback to an existing theme * if the one here does not exist. */ titlebar_font = pango_font_description_from_string ("Sans Bold 10"); current_theme = g_strdup ("Atlanta"); init_button_layout(); #endif /* HAVE_GCONF */ init_bindings (); init_commands (); init_workspace_names (); } /****************************************************************************/ /* Updates. */ /****************************************************************************/ #ifdef HAVE_GCONF gboolean (*preference_update_handler[]) (const gchar*, GConfValue*) = { handle_preference_update_enum, handle_preference_update_bool, handle_preference_update_string, handle_preference_update_int, NULL }; static void change_notify (GConfClient *client, guint cnxn_id, GConfEntry *entry, gpointer user_data) { const char *key; GConfValue *value; gint i=0; key = gconf_entry_get_key (entry); value = gconf_entry_get_value (entry); /* First, search for a handler that might know what to do. */ /* FIXME: When this is all working, since the first item in every * array is the gchar* of the key, there's no reason we can't * find the correct record for that key here and save code duplication. */ while (preference_update_handler[i]!=NULL) { if (preference_update_handler[i] (key, value)) goto out; /* Get rid of this eventually */ i++; } if (g_str_has_prefix (key, KEY_WINDOW_BINDINGS_PREFIX) || g_str_has_prefix (key, KEY_SCREEN_BINDINGS_PREFIX)) { if (g_str_has_suffix (key, KEY_LIST_BINDINGS_SUFFIX)) { GSList *list; if (value && value->type != GCONF_VALUE_LIST) { meta_warning (_("GConf key \"%s\" is set to an invalid type\n"), key); goto out; } list = value ? gconf_value_get_list (value) : NULL; if (update_key_list_binding (key, list)) queue_changed (META_PREF_KEYBINDINGS); } else { const char *str; if (value && value->type != GCONF_VALUE_STRING) { meta_warning (_("GConf key \"%s\" is set to an invalid type\n"), key); goto out; } str = value ? gconf_value_get_string (value) : NULL; if (update_key_binding (key, str)) queue_changed (META_PREF_KEYBINDINGS); } } else if (g_str_has_prefix (key, KEY_COMMAND_PREFIX)) { const char *str; if (value && value->type != GCONF_VALUE_STRING) { meta_warning (_("GConf key \"%s\" is set to an invalid type\n"), key); goto out; } str = value ? gconf_value_get_string (value) : NULL; if (update_command (key, str)) queue_changed (META_PREF_COMMANDS); } else if (g_str_has_prefix (key, KEY_WORKSPACE_NAME_PREFIX)) { const char *str; if (value && value->type != GCONF_VALUE_STRING) { meta_warning (_("GConf key \"%s\" is set to an invalid type\n"), key); goto out; } str = value ? gconf_value_get_string (value) : NULL; if (update_workspace_name (key, str)) queue_changed (META_PREF_WORKSPACE_NAMES); } else if (g_str_equal (key, KEY_OVERLAY_KEY)) { queue_changed (META_PREF_KEYBINDINGS); } else if (g_str_equal (key, KEY_CLUTTER_PLUGINS) && !clutter_plugins_overridden) { GError *err = NULL; GSList *l; l = gconf_client_get_list (default_client, KEY_CLUTTER_PLUGINS, GCONF_VALUE_STRING, &err); if (!l) { cleanup_error (&err); goto out; } clutter_plugins = l; queue_changed (META_PREF_CLUTTER_PLUGINS); } else { meta_topic (META_DEBUG_PREFS, "Key %s doesn't mean anything to Mutter\n", key); } out: /* nothing */ return; /* AIX compiler wants something after a label like out: */ } static void cleanup_error (GError **error) { if (*error) { meta_warning ("%s\n", (*error)->message); g_error_free (*error); *error = NULL; } } /* get_bool returns TRUE if *val is filled in, FALSE otherwise */ /* @@@ probably worth moving this inline; only used once */ static gboolean get_bool (const char *key, gboolean *val) { GError *err = NULL; GConfValue *value; gboolean filled_in = FALSE; value = gconf_client_get (default_client, key, &err); cleanup_error (&err); if (value) { if (value->type == GCONF_VALUE_BOOL) { *val = gconf_value_get_bool (value); filled_in = TRUE; } gconf_value_free (value); } return filled_in; } /** * Special case: give a warning the first time disable_workarounds * is turned on. */ static void maybe_give_disable_workarounds_warning (void) { static gboolean first_disable = TRUE; if (first_disable && disable_workarounds) { first_disable = FALSE; meta_warning (_("Workarounds for broken applications disabled. " "Some applications may not behave properly.\n")); } } #endif /* HAVE_GCONF */ MetaVirtualModifier meta_prefs_get_mouse_button_mods (void) { return mouse_button_mods; } MetaFocusMode meta_prefs_get_focus_mode (void) { return focus_mode; } MetaFocusNewWindows meta_prefs_get_focus_new_windows (void) { return focus_new_windows; } gboolean meta_prefs_get_raise_on_click (void) { /* Force raise_on_click on for click-to-focus, as requested by Havoc * in #326156. */ return raise_on_click || focus_mode == META_FOCUS_MODE_CLICK; } const char* meta_prefs_get_theme (void) { return current_theme; } const char* meta_prefs_get_cursor_theme (void) { return cursor_theme; } int meta_prefs_get_cursor_size (void) { return cursor_size; } /****************************************************************************/ /* Handlers for string preferences. */ /****************************************************************************/ #ifdef HAVE_GCONF static void titlebar_handler (MetaPreference pref, const gchar *string_value, gboolean *inform_listeners) { PangoFontDescription *new_desc = NULL; if (string_value) new_desc = pango_font_description_from_string (string_value); if (new_desc == NULL) { meta_warning (_("Could not parse font description " "\"%s\" from GConf key %s\n"), string_value ? string_value : "(null)", KEY_TITLEBAR_FONT); *inform_listeners = FALSE; return; } /* Is the new description the same as the old? */ if (titlebar_font && pango_font_description_equal (new_desc, titlebar_font)) { pango_font_description_free (new_desc); *inform_listeners = FALSE; return; } /* No, so free the old one and put ours in instead. */ if (titlebar_font) pango_font_description_free (titlebar_font); titlebar_font = new_desc; } static void theme_name_handler (MetaPreference pref, const gchar *string_value, gboolean *inform_listeners) { g_free (current_theme); /* Fallback crackrock */ if (string_value == NULL) current_theme = g_strdup ("Atlanta"); else current_theme = g_strdup (string_value); } static void mouse_button_mods_handler (MetaPreference pref, const gchar *string_value, gboolean *inform_listeners) { MetaVirtualModifier mods; meta_topic (META_DEBUG_KEYBINDINGS, "Mouse button modifier has new gconf value \"%s\"\n", string_value); if (string_value && meta_ui_parse_modifier (string_value, &mods)) { mouse_button_mods = mods; } else { meta_topic (META_DEBUG_KEYBINDINGS, "Failed to parse new gconf value\n"); meta_warning (_("\"%s\" found in configuration database is " "not a valid value for mouse button modifier\n"), string_value); *inform_listeners = FALSE; } } static gboolean button_layout_equal (const MetaButtonLayout *a, const MetaButtonLayout *b) { int i; i = 0; while (i < MAX_BUTTONS_PER_CORNER) { if (a->left_buttons[i] != b->left_buttons[i]) return FALSE; if (a->right_buttons[i] != b->right_buttons[i]) return FALSE; if (a->left_buttons_has_spacer[i] != b->left_buttons_has_spacer[i]) return FALSE; if (a->right_buttons_has_spacer[i] != b->right_buttons_has_spacer[i]) return FALSE; ++i; } return TRUE; } static MetaButtonFunction button_function_from_string (const char *str) { /* FIXME: gconf_string_to_enum is the obvious way to do this */ if (strcmp (str, "menu") == 0) return META_BUTTON_FUNCTION_MENU; else if (strcmp (str, "minimize") == 0) return META_BUTTON_FUNCTION_MINIMIZE; else if (strcmp (str, "maximize") == 0) return META_BUTTON_FUNCTION_MAXIMIZE; else if (strcmp (str, "close") == 0) return META_BUTTON_FUNCTION_CLOSE; else if (strcmp (str, "shade") == 0) return META_BUTTON_FUNCTION_SHADE; else if (strcmp (str, "above") == 0) return META_BUTTON_FUNCTION_ABOVE; else if (strcmp (str, "stick") == 0) return META_BUTTON_FUNCTION_STICK; else /* don't know; give up */ return META_BUTTON_FUNCTION_LAST; } static MetaButtonFunction button_opposite_function (MetaButtonFunction ofwhat) { switch (ofwhat) { case META_BUTTON_FUNCTION_SHADE: return META_BUTTON_FUNCTION_UNSHADE; case META_BUTTON_FUNCTION_UNSHADE: return META_BUTTON_FUNCTION_SHADE; case META_BUTTON_FUNCTION_ABOVE: return META_BUTTON_FUNCTION_UNABOVE; case META_BUTTON_FUNCTION_UNABOVE: return META_BUTTON_FUNCTION_ABOVE; case META_BUTTON_FUNCTION_STICK: return META_BUTTON_FUNCTION_UNSTICK; case META_BUTTON_FUNCTION_UNSTICK: return META_BUTTON_FUNCTION_STICK; default: return META_BUTTON_FUNCTION_LAST; } } static void button_layout_handler (MetaPreference pref, const gchar *string_value, gboolean *inform_listeners) { MetaButtonLayout new_layout; char **sides = NULL; int i; /* We need to ignore unknown button functions, for * compat with future versions */ if (string_value) sides = g_strsplit (string_value, ":", 2); if (sides != NULL && sides[0] != NULL) { char **buttons; int b; gboolean used[META_BUTTON_FUNCTION_LAST]; i = 0; while (i < META_BUTTON_FUNCTION_LAST) { used[i] = FALSE; new_layout.left_buttons_has_spacer[i] = FALSE; ++i; } buttons = g_strsplit (sides[0], ",", -1); i = 0; b = 0; while (buttons[b] != NULL) { MetaButtonFunction f = button_function_from_string (buttons[b]); if (i > 0 && strcmp("spacer", buttons[b]) == 0) { new_layout.left_buttons_has_spacer[i-1] = TRUE; f = button_opposite_function (f); if (f != META_BUTTON_FUNCTION_LAST) { new_layout.left_buttons_has_spacer[i-2] = TRUE; } } else { if (f != META_BUTTON_FUNCTION_LAST && !used[f]) { new_layout.left_buttons[i] = f; used[f] = TRUE; ++i; f = button_opposite_function (f); if (f != META_BUTTON_FUNCTION_LAST) new_layout.left_buttons[i++] = f; } else { meta_topic (META_DEBUG_PREFS, "Ignoring unknown or already-used button name \"%s\"\n", buttons[b]); } } ++b; } new_layout.left_buttons[i] = META_BUTTON_FUNCTION_LAST; new_layout.left_buttons_has_spacer[i] = FALSE; g_strfreev (buttons); } if (sides != NULL && sides[0] != NULL && sides[1] != NULL) { char **buttons; int b; gboolean used[META_BUTTON_FUNCTION_LAST]; i = 0; while (i < META_BUTTON_FUNCTION_LAST) { used[i] = FALSE; new_layout.right_buttons_has_spacer[i] = FALSE; ++i; } buttons = g_strsplit (sides[1], ",", -1); i = 0; b = 0; while (buttons[b] != NULL) { MetaButtonFunction f = button_function_from_string (buttons[b]); if (i > 0 && strcmp("spacer", buttons[b]) == 0) { new_layout.right_buttons_has_spacer[i-1] = TRUE; f = button_opposite_function (f); if (f != META_BUTTON_FUNCTION_LAST) { new_layout.right_buttons_has_spacer[i-2] = TRUE; } } else { if (f != META_BUTTON_FUNCTION_LAST && !used[f]) { new_layout.right_buttons[i] = f; used[f] = TRUE; ++i; f = button_opposite_function (f); if (f != META_BUTTON_FUNCTION_LAST) new_layout.right_buttons[i++] = f; } else { meta_topic (META_DEBUG_PREFS, "Ignoring unknown or already-used button name \"%s\"\n", buttons[b]); } } ++b; } new_layout.right_buttons[i] = META_BUTTON_FUNCTION_LAST; new_layout.right_buttons_has_spacer[i] = FALSE; g_strfreev (buttons); } g_strfreev (sides); /* Invert the button layout for RTL languages */ if (meta_ui_get_direction() == META_UI_DIRECTION_RTL) { MetaButtonLayout rtl_layout; int j; for (i = 0; new_layout.left_buttons[i] != META_BUTTON_FUNCTION_LAST; i++); for (j = 0; j < i; j++) { rtl_layout.right_buttons[j] = new_layout.left_buttons[i - j - 1]; if (j == 0) rtl_layout.right_buttons_has_spacer[i - 1] = new_layout.left_buttons_has_spacer[i - j - 1]; else rtl_layout.right_buttons_has_spacer[j - 1] = new_layout.left_buttons_has_spacer[i - j - 1]; } rtl_layout.right_buttons[j] = META_BUTTON_FUNCTION_LAST; rtl_layout.right_buttons_has_spacer[j] = FALSE; for (i = 0; new_layout.right_buttons[i] != META_BUTTON_FUNCTION_LAST; i++); for (j = 0; j < i; j++) { rtl_layout.left_buttons[j] = new_layout.right_buttons[i - j - 1]; if (j == 0) rtl_layout.left_buttons_has_spacer[i - 1] = new_layout.right_buttons_has_spacer[i - j - 1]; else rtl_layout.left_buttons_has_spacer[j - 1] = new_layout.right_buttons_has_spacer[i - j - 1]; } rtl_layout.left_buttons[j] = META_BUTTON_FUNCTION_LAST; rtl_layout.left_buttons_has_spacer[j] = FALSE; new_layout = rtl_layout; } if (button_layout_equal (&button_layout, &new_layout)) { /* Same as before, so duck out */ *inform_listeners = FALSE; } else { button_layout = new_layout; } } #endif /* HAVE_GCONF */ const PangoFontDescription* meta_prefs_get_titlebar_font (void) { if (use_system_font) return NULL; else return titlebar_font; } int meta_prefs_get_num_workspaces (void) { return num_workspaces; } gboolean meta_prefs_get_application_based (void) { return FALSE; /* For now, we never want this to do anything */ return application_based; } gboolean meta_prefs_get_disable_workarounds (void) { return disable_workarounds; } #ifdef HAVE_GCONF #define MAX_REASONABLE_AUTO_RAISE_DELAY 10000 #endif /* HAVE_GCONF */ #ifdef WITH_VERBOSE_MODE const char* meta_preference_to_string (MetaPreference pref) { /* FIXME: another case for gconf_string_to_enum */ switch (pref) { case META_PREF_MOUSE_BUTTON_MODS: return "MOUSE_BUTTON_MODS"; case META_PREF_FOCUS_MODE: return "FOCUS_MODE"; case META_PREF_FOCUS_NEW_WINDOWS: return "FOCUS_NEW_WINDOWS"; case META_PREF_RAISE_ON_CLICK: return "RAISE_ON_CLICK"; case META_PREF_THEME: return "THEME"; case META_PREF_TITLEBAR_FONT: return "TITLEBAR_FONT"; case META_PREF_NUM_WORKSPACES: return "NUM_WORKSPACES"; case META_PREF_APPLICATION_BASED: return "APPLICATION_BASED"; case META_PREF_KEYBINDINGS: return "KEYBINDINGS"; case META_PREF_DISABLE_WORKAROUNDS: return "DISABLE_WORKAROUNDS"; case META_PREF_ACTION_DOUBLE_CLICK_TITLEBAR: return "ACTION_DOUBLE_CLICK_TITLEBAR"; case META_PREF_ACTION_MIDDLE_CLICK_TITLEBAR: return "ACTION_MIDDLE_CLICK_TITLEBAR"; case META_PREF_ACTION_RIGHT_CLICK_TITLEBAR: return "ACTION_RIGHT_CLICK_TITLEBAR"; case META_PREF_AUTO_RAISE: return "AUTO_RAISE"; case META_PREF_AUTO_RAISE_DELAY: return "AUTO_RAISE_DELAY"; case META_PREF_COMMANDS: return "COMMANDS"; case META_PREF_TERMINAL_COMMAND: return "TERMINAL_COMMAND"; case META_PREF_BUTTON_LAYOUT: return "BUTTON_LAYOUT"; case META_PREF_WORKSPACE_NAMES: return "WORKSPACE_NAMES"; case META_PREF_VISUAL_BELL: return "VISUAL_BELL"; case META_PREF_AUDIBLE_BELL: return "AUDIBLE_BELL"; case META_PREF_VISUAL_BELL_TYPE: return "VISUAL_BELL_TYPE"; case META_PREF_REDUCED_RESOURCES: return "REDUCED_RESOURCES"; case META_PREF_GNOME_ACCESSIBILITY: return "GNOME_ACCESSIBILTY"; case META_PREF_GNOME_ANIMATIONS: return "GNOME_ANIMATIONS"; case META_PREF_CURSOR_THEME: return "CURSOR_THEME"; case META_PREF_CURSOR_SIZE: return "CURSOR_SIZE"; case META_PREF_COMPOSITING_MANAGER: return "COMPOSITING_MANAGER"; case META_PREF_RESIZE_WITH_RIGHT_BUTTON: return "RESIZE_WITH_RIGHT_BUTTON"; case META_PREF_CLUTTER_PLUGINS: return "CLUTTER_PLUGINS"; case META_PREF_LIVE_HIDDEN_WINDOWS: return "LIVE_HIDDEN_WINDOWS"; case META_PREF_NO_TAB_POPUP: return "NO_TAB_POPUP"; } return "(unknown)"; } #endif /* WITH_VERBOSE_MODE */ void meta_prefs_set_num_workspaces (int n_workspaces) { #ifdef HAVE_GCONF GError *err; if (default_client == NULL) return; if (n_workspaces < 1) n_workspaces = 1; if (n_workspaces > MAX_REASONABLE_WORKSPACES) n_workspaces = MAX_REASONABLE_WORKSPACES; err = NULL; gconf_client_set_int (default_client, KEY_NUM_WORKSPACES, n_workspaces, &err); if (err) { meta_warning (_("Error setting number of workspaces to %d: %s\n"), num_workspaces, err->message); g_error_free (err); } #endif /* HAVE_GCONF */ } #define keybind(name, handler, param, flags, stroke, description) \ { #name, stroke, NULL, !!(flags & BINDING_REVERSES), !!(flags & BINDING_PER_WINDOW) }, static MetaKeyPref key_bindings[] = { #include "all-keybindings.h" { NULL, NULL, NULL, FALSE } }; #undef keybind static MetaKeyCombo overlay_key_combo = { 0, 0, 0 }; /* These bindings are for modifiers alone, so they need special handling */ static void init_special_bindings (void) { #ifdef HAVE_GCONF char *val; GError *err = NULL; #endif /* Default values for bindings which are global, but take special handling */ meta_ui_parse_accelerator ("Super_L", &overlay_key_combo.keysym, &overlay_key_combo.keycode, &overlay_key_combo.modifiers); #ifdef HAVE_GCONF val = gconf_client_get_string (default_client, KEY_OVERLAY_KEY, &err); cleanup_error (&err); if (val && meta_ui_parse_accelerator (val, &overlay_key_combo.keysym, &overlay_key_combo.keycode, &overlay_key_combo.modifiers)) ; else { meta_topic (META_DEBUG_KEYBINDINGS, "Failed to parse value for overlay_key\n"); } g_free (val); #endif } static void init_bindings (void) { #ifdef HAVE_GCONF int i = 0; GError *err; while (key_bindings[i].name) { GSList *list_val, *tmp; char *str_val; char *key; key = g_strconcat (key_bindings[i].per_window? KEY_WINDOW_BINDINGS_PREFIX: KEY_SCREEN_BINDINGS_PREFIX, "/", key_bindings[i].name, NULL); err = NULL; str_val = gconf_client_get_string (default_client, key, &err); cleanup_error (&err); update_binding (&key_bindings[i], str_val); g_free (str_val); g_free (key); key = g_strconcat (key_bindings[i].per_window? KEY_WINDOW_BINDINGS_PREFIX: KEY_SCREEN_BINDINGS_PREFIX, "/", key_bindings[i].name, KEY_LIST_BINDINGS_SUFFIX, NULL); err = NULL; list_val = gconf_client_get_list (default_client, key, GCONF_VALUE_STRING, &err); cleanup_error (&err); update_list_binding (&key_bindings[i], list_val, META_LIST_OF_STRINGS); tmp = list_val; while (tmp) { g_free (tmp->data); tmp = tmp->next; } g_slist_free (list_val); g_free (key); ++i; } #else /* HAVE_GCONF */ int i = 0; while (key_bindings[i].name) { if (key_bindings[i].default_keybinding) { /* Set the binding */ update_binding (&key_bindings[i], NULL); } ++i; } #endif /* HAVE_GCONF */ init_special_bindings (); } static void init_commands (void) { #ifdef HAVE_GCONF int i; GError *err; i = 0; while (i < MAX_COMMANDS) { char *str_val; char *key; key = meta_prefs_get_gconf_key_for_command (i); err = NULL; str_val = gconf_client_get_string (default_client, key, &err); cleanup_error (&err); update_command (key, str_val); g_free (str_val); g_free (key); ++i; } #else int i; for (i = 0; i < MAX_COMMANDS; i++) commands[i] = NULL; #endif /* HAVE_GCONF */ } static void init_workspace_names (void) { #ifdef HAVE_GCONF int i; GError *err; i = 0; while (i < MAX_REASONABLE_WORKSPACES) { char *str_val; char *key; key = gconf_key_for_workspace_name (i); err = NULL; str_val = gconf_client_get_string (default_client, key, &err); cleanup_error (&err); update_workspace_name (key, str_val); g_assert (workspace_names[i] != NULL); g_free (str_val); g_free (key); ++i; } #else int i; for (i = 0; i < MAX_REASONABLE_WORKSPACES; i++) workspace_names[i] = g_strdup_printf (_("Workspace %d"), i + 1); meta_topic (META_DEBUG_PREFS, "Initialized workspace names\n"); #endif /* HAVE_GCONF */ } static gboolean update_binding (MetaKeyPref *binding, const char *value) { unsigned int keysym; unsigned int keycode; MetaVirtualModifier mods; MetaKeyCombo *combo; gboolean changed; if (value == NULL) value = binding->default_keybinding; meta_topic (META_DEBUG_KEYBINDINGS, "Binding \"%s\" has new gconf value \"%s\"\n", binding->name, value ? value : "none"); keysym = 0; keycode = 0; mods = 0; if (value) { if (!meta_ui_parse_accelerator (value, &keysym, &keycode, &mods)) { meta_topic (META_DEBUG_KEYBINDINGS, "Failed to parse new gconf value\n"); meta_warning (_("\"%s\" found in configuration database is not a valid value for keybinding \"%s\"\n"), value, binding->name); return FALSE; } } /* If there isn't already a first element, make one. */ if (!binding->bindings) { MetaKeyCombo *blank = g_malloc0 (sizeof (MetaKeyCombo)); binding->bindings = g_slist_alloc(); binding->bindings->data = blank; } combo = binding->bindings->data; #ifdef HAVE_GCONF /* Bug 329676: Bindings which can be shifted must not have no modifiers, * nor only SHIFT as a modifier. */ if (binding->add_shift && 0 != keysym && (META_VIRTUAL_SHIFT_MASK == mods || 0 == mods)) { gchar *old_setting; gchar *key; GError *err = NULL; meta_warning ("Cannot bind \"%s\" to %s: it needs a modifier " "such as Ctrl or Alt.\n", binding->name, value); old_setting = meta_ui_accelerator_name (combo->keysym, combo->modifiers); if (!strcmp(old_setting, value)) { /* We were about to set it to the same value * that it had originally! This must be caused * by getting an invalid string back from * meta_ui_accelerator_name. Bail out now * so we don't get into an infinite loop. */ g_free (old_setting); return TRUE; } meta_warning ("Reverting \"%s\" to %s.\n", binding->name, old_setting); /* FIXME: add_shift is currently screen_bindings only, but * there's no really good reason it should always be. * So we shouldn't blindly add KEY_SCREEN_BINDINGS_PREFIX * onto here. */ key = g_strconcat (KEY_SCREEN_BINDINGS_PREFIX, "/", binding->name, NULL); gconf_client_set_string (gconf_client_get_default (), key, old_setting, &err); if (err) { meta_warning ("Error while reverting keybinding: %s\n", err->message); g_error_free (err); err = NULL; } g_free (old_setting); g_free (key); /* The call to gconf_client_set_string() will cause this function * to be called again with the new value, so there's no need to * carry on. */ return TRUE; } #endif changed = FALSE; if (keysym != combo->keysym || keycode != combo->keycode || mods != combo->modifiers) { changed = TRUE; combo->keysym = keysym; combo->keycode = keycode; combo->modifiers = mods; meta_topic (META_DEBUG_KEYBINDINGS, "New keybinding for \"%s\" is keysym = 0x%x keycode = 0x%x mods = 0x%x\n", binding->name, combo->keysym, combo->keycode, combo->modifiers); } else { meta_topic (META_DEBUG_KEYBINDINGS, "Keybinding for \"%s\" is unchanged\n", binding->name); } return changed; } #ifdef HAVE_GCONF static gboolean update_list_binding (MetaKeyPref *binding, GSList *value, MetaStringListType type_of_value) { unsigned int keysym; unsigned int keycode; MetaVirtualModifier mods; gboolean changed = FALSE; const gchar *pref_string; GSList *pref_iterator = value, *tmp; MetaKeyCombo *combo; meta_topic (META_DEBUG_KEYBINDINGS, "Binding \"%s\" has new gconf value\n", binding->name); if (binding->bindings == NULL) { /* We need to insert a dummy element into the list, because the first * element is the one governed by update_binding. We only handle the * subsequent elements. */ MetaKeyCombo *blank = g_malloc0 (sizeof (MetaKeyCombo)); binding->bindings = g_slist_alloc(); binding->bindings->data = blank; } /* Okay, so, we're about to provide a new list of key combos for this * action. Delete any pre-existing list. */ tmp = binding->bindings->next; while (tmp) { g_free (tmp->data); tmp = tmp->next; } g_slist_free (binding->bindings->next); binding->bindings->next = NULL; while (pref_iterator) { keysym = 0; keycode = 0; mods = 0; if (!pref_iterator->data) { pref_iterator = pref_iterator->next; continue; } switch (type_of_value) { case META_LIST_OF_STRINGS: pref_string = pref_iterator->data; break; case META_LIST_OF_GCONFVALUE_STRINGS: pref_string = gconf_value_get_string (pref_iterator->data); break; default: g_assert_not_reached (); } if (!meta_ui_parse_accelerator (pref_string, &keysym, &keycode, &mods)) { meta_topic (META_DEBUG_KEYBINDINGS, "Failed to parse new gconf value\n"); meta_warning (_("\"%s\" found in configuration database is not a valid value for keybinding \"%s\"\n"), pref_string, binding->name); /* Should we remove this value from the list in gconf? */ pref_iterator = pref_iterator->next; continue; } /* Bug 329676: Bindings which can be shifted must not have no modifiers, * nor only SHIFT as a modifier. */ if (binding->add_shift && 0 != keysym && (META_VIRTUAL_SHIFT_MASK == mods || 0 == mods)) { meta_warning ("Cannot bind \"%s\" to %s: it needs a modifier " "such as Ctrl or Alt.\n", binding->name, pref_string); /* Should we remove this value from the list in gconf? */ pref_iterator = pref_iterator->next; continue; } changed = TRUE; combo = g_malloc0 (sizeof (MetaKeyCombo)); combo->keysym = keysym; combo->keycode = keycode; combo->modifiers = mods; binding->bindings->next = g_slist_prepend (binding->bindings->next, combo); meta_topic (META_DEBUG_KEYBINDINGS, "New keybinding for \"%s\" is keysym = 0x%x keycode = 0x%x mods = 0x%x\n", binding->name, keysym, keycode, mods); pref_iterator = pref_iterator->next; } return changed; } static const gchar* relative_key (const gchar* key) { const gchar* end; end = strrchr (key, '/'); ++end; return end; } /* Return value is TRUE if a preference changed and we need to * notify */ static gboolean find_and_update_binding (MetaKeyPref *bindings, const char *name, const char *value) { const char *key; int i; if (*name == '/') key = relative_key (name); else key = name; i = 0; while (bindings[i].name && strcmp (key, bindings[i].name) != 0) ++i; if (bindings[i].name) return update_binding (&bindings[i], value); else return FALSE; } static gboolean update_key_binding (const char *name, const char *value) { return find_and_update_binding (key_bindings, name, value); } static gboolean find_and_update_list_binding (MetaKeyPref *bindings, const char *name, GSList *value) { const char *key; int i; gchar *name_without_suffix = g_strdup(name); name_without_suffix[strlen(name_without_suffix) - strlen(KEY_LIST_BINDINGS_SUFFIX)] = 0; if (*name_without_suffix == '/') key = relative_key (name_without_suffix); else key = name_without_suffix; i = 0; while (bindings[i].name && strcmp (key, bindings[i].name) != 0) ++i; g_free (name_without_suffix); if (bindings[i].name) return update_list_binding (&bindings[i], value, META_LIST_OF_GCONFVALUE_STRINGS); else return FALSE; } static gboolean update_key_list_binding (const char *name, GSList *value) { return find_and_update_list_binding (key_bindings, name, value); } static gboolean update_command (const char *name, const char *value) { char *p; int i; p = strrchr (name, '_'); if (p == NULL) { meta_topic (META_DEBUG_KEYBINDINGS, "Command %s has no underscore?\n", name); return FALSE; } ++p; if (g_ascii_isdigit (*p)) { i = atoi (p); i -= 1; /* count from 0 not 1 */ } else { p = strrchr (name, '/'); ++p; if (strcmp (p, "command_screenshot") == 0) { i = SCREENSHOT_COMMAND_IDX; } else if (strcmp (p, "command_window_screenshot") == 0) { i = WIN_SCREENSHOT_COMMAND_IDX; } else { meta_topic (META_DEBUG_KEYBINDINGS, "Command %s doesn't end in number?\n", name); return FALSE; } } if (i >= MAX_COMMANDS) { meta_topic (META_DEBUG_KEYBINDINGS, "Command %d is too highly numbered, ignoring\n", i); return FALSE; } if ((commands[i] == NULL && value == NULL) || (commands[i] && value && strcmp (commands[i], value) == 0)) { meta_topic (META_DEBUG_KEYBINDINGS, "Command %d is unchanged\n", i); return FALSE; } g_free (commands[i]); commands[i] = g_strdup (value); meta_topic (META_DEBUG_KEYBINDINGS, "Updated command %d to \"%s\"\n", i, commands[i] ? commands[i] : "none"); return TRUE; } #endif /* HAVE_GCONF */ const char* meta_prefs_get_command (int i) { g_return_val_if_fail (i >= 0 && i < MAX_COMMANDS, NULL); return commands[i]; } char* meta_prefs_get_gconf_key_for_command (int i) { char *key; switch (i) { case SCREENSHOT_COMMAND_IDX: key = g_strdup (KEY_COMMAND_PREFIX "screenshot"); break; case WIN_SCREENSHOT_COMMAND_IDX: key = g_strdup (KEY_COMMAND_PREFIX "window_screenshot"); break; default: key = g_strdup_printf (KEY_COMMAND_PREFIX"%d", i + 1); break; } return key; } const char* meta_prefs_get_terminal_command (void) { return terminal_command; } const char* meta_prefs_get_gconf_key_for_terminal_command (void) { return KEY_TERMINAL_COMMAND; } #ifdef HAVE_GCONF static gboolean update_workspace_name (const char *name, const char *value) { char *p; int i; p = strrchr (name, '_'); if (p == NULL) { meta_topic (META_DEBUG_PREFS, "Workspace name %s has no underscore?\n", name); return FALSE; } ++p; if (!g_ascii_isdigit (*p)) { meta_topic (META_DEBUG_PREFS, "Workspace name %s doesn't end in number?\n", name); return FALSE; } i = atoi (p); i -= 1; /* count from 0 not 1 */ if (i >= MAX_REASONABLE_WORKSPACES) { meta_topic (META_DEBUG_PREFS, "Workspace name %d is too highly numbered, ignoring\n", i); return FALSE; } if (workspace_names[i] && value && strcmp (workspace_names[i], value) == 0) { meta_topic (META_DEBUG_PREFS, "Workspace name %d is unchanged\n", i); return FALSE; } /* This is a bad hack. We have to treat empty string as * "unset" because the root window property can't contain * null. So it gets empty string instead and we don't want * that to result in setting the empty string as a value that * overrides "unset". */ if (value != NULL && *value != '\0') { g_free (workspace_names[i]); workspace_names[i] = g_strdup (value); } else { /* use a default name */ char *d; d = g_strdup_printf (_("Workspace %d"), i + 1); if (workspace_names[i] && strcmp (workspace_names[i], d) == 0) { g_free (d); return FALSE; } else { g_free (workspace_names[i]); workspace_names[i] = d; } } meta_topic (META_DEBUG_PREFS, "Updated workspace name %d to \"%s\"\n", i, workspace_names[i] ? workspace_names[i] : "none"); return TRUE; } #endif /* HAVE_GCONF */ const char* meta_prefs_get_workspace_name (int i) { g_return_val_if_fail (i >= 0 && i < MAX_REASONABLE_WORKSPACES, NULL); g_assert (workspace_names[i] != NULL); meta_topic (META_DEBUG_PREFS, "Getting workspace name for %d: \"%s\"\n", i, workspace_names[i]); return workspace_names[i]; } void meta_prefs_change_workspace_name (int i, const char *name) { #ifdef HAVE_GCONF char *key; GError *err; g_return_if_fail (i >= 0 && i < MAX_REASONABLE_WORKSPACES); meta_topic (META_DEBUG_PREFS, "Changing name of workspace %d to %s\n", i, name ? name : "none"); /* This is a bad hack. We have to treat empty string as * "unset" because the root window property can't contain * null. So it gets empty string instead and we don't want * that to result in setting the empty string as a value that * overrides "unset". */ if (name && *name == '\0') name = NULL; if ((name == NULL && workspace_names[i] == NULL) || (name && workspace_names[i] && strcmp (name, workspace_names[i]) == 0)) { meta_topic (META_DEBUG_PREFS, "Workspace %d already has name %s\n", i, name ? name : "none"); return; } key = gconf_key_for_workspace_name (i); err = NULL; if (name != NULL) gconf_client_set_string (default_client, key, name, &err); else gconf_client_unset (default_client, key, &err); if (err) { meta_warning (_("Error setting name for workspace %d to \"%s\": %s\n"), i, name ? name : "none", err->message); g_error_free (err); } g_free (key); #else g_free (workspace_names[i]); workspace_names[i] = g_strdup (name); #endif /* HAVE_GCONF */ } #ifdef HAVE_GCONF static char* gconf_key_for_workspace_name (int i) { char *key; key = g_strdup_printf (KEY_WORKSPACE_NAME_PREFIX"%d", i + 1); return key; } #endif /* HAVE_GCONF */ void meta_prefs_get_button_layout (MetaButtonLayout *button_layout_p) { *button_layout_p = button_layout; } gboolean meta_prefs_get_visual_bell (void) { return provide_visual_bell; } gboolean meta_prefs_bell_is_audible (void) { return bell_is_audible; } MetaVisualBellType meta_prefs_get_visual_bell_type (void) { return visual_bell_type; } void meta_prefs_get_key_bindings (const MetaKeyPref **bindings, int *n_bindings) { *bindings = key_bindings; *n_bindings = (int) G_N_ELEMENTS (key_bindings) - 1; } void meta_prefs_get_overlay_binding (MetaKeyCombo *combo) { *combo = overlay_key_combo; } MetaActionTitlebar meta_prefs_get_action_double_click_titlebar (void) { return action_double_click_titlebar; } MetaActionTitlebar meta_prefs_get_action_middle_click_titlebar (void) { return action_middle_click_titlebar; } MetaActionTitlebar meta_prefs_get_action_right_click_titlebar (void) { return action_right_click_titlebar; } gboolean meta_prefs_get_auto_raise (void) { return auto_raise; } int meta_prefs_get_auto_raise_delay (void) { return auto_raise_delay; } gboolean meta_prefs_get_reduced_resources (void) { return reduced_resources; } gboolean meta_prefs_get_gnome_accessibility () { return gnome_accessibility; } gboolean meta_prefs_get_gnome_animations () { return gnome_animations; } MetaKeyBindingAction meta_prefs_get_keybinding_action (const char *name) { int i; i = G_N_ELEMENTS (key_bindings) - 2; /* -2 for dummy entry at end */ while (i >= 0) { if (strcmp (key_bindings[i].name, name) == 0) return (MetaKeyBindingAction) i; --i; } return META_KEYBINDING_ACTION_NONE; } /* This is used by the menu system to decide what key binding * to display next to an option. We return the first non-disabled * binding, if any. */ void meta_prefs_get_window_binding (const char *name, unsigned int *keysym, MetaVirtualModifier *modifiers) { int i; i = G_N_ELEMENTS (key_bindings) - 2; /* -2 for dummy entry at end */ while (i >= 0) { if (key_bindings[i].per_window && strcmp (key_bindings[i].name, name) == 0) { GSList *s = key_bindings[i].bindings; while (s) { MetaKeyCombo *c = s->data; if (c->keysym!=0 || c->modifiers!=0) { *keysym = c->keysym; *modifiers = c->modifiers; return; } s = s->next; } /* Not found; return the disabled value */ *keysym = *modifiers = 0; return; } --i; } g_assert_not_reached (); } gboolean meta_prefs_get_compositing_manager (void) { return compositing_manager; } guint meta_prefs_get_mouse_button_resize (void) { return resize_with_right_button ? 3: 2; } guint meta_prefs_get_mouse_button_menu (void) { return resize_with_right_button ? 2: 3; } void meta_prefs_set_compositing_manager (gboolean whether) { #ifdef HAVE_GCONF GError *err = NULL; gconf_client_set_bool (default_client, KEY_COMPOSITOR, whether, &err); if (err) { meta_warning (_("Error setting compositor status: %s\n"), err->message); g_error_free (err); } #else compositing_manager = whether; #endif } GSList * meta_prefs_get_clutter_plugins (void) { return clutter_plugins; } void meta_prefs_set_clutter_plugins (GSList *list) { GError *err = NULL; gconf_client_set_list (default_client, KEY_CLUTTER_PLUGINS, GCONF_VALUE_STRING, list, &err); if (err) { meta_warning (_("Error setting clutter plugin list: %s\n"), err->message); g_error_free (err); } } void meta_prefs_override_clutter_plugins (GSList *list) { GSList *l; clutter_plugins_overridden = TRUE; clutter_plugins = NULL; for (l = list; l; l = l->next) clutter_plugins = g_slist_prepend (clutter_plugins, g_strdup(l->data)); clutter_plugins = g_slist_reverse (clutter_plugins); } gboolean meta_prefs_get_live_hidden_windows (void) { #if 0 return live_hidden_windows; #else return TRUE; #endif } void meta_prefs_set_live_hidden_windows (gboolean whether) { #ifdef HAVE_GCONF GError *err = NULL; gconf_client_set_bool (default_client, KEY_LIVE_HIDDEN_WINDOWS, whether, &err); if (err) { meta_warning (_("Error setting live hidden windows status status: %s\n"), err->message); g_error_free (err); } #else live_hidden_windows = whether; #endif } gboolean meta_prefs_get_no_tab_popup (void) { return no_tab_popup; } void meta_prefs_set_no_tab_popup (gboolean whether) { #ifdef HAVE_GCONF GError *err = NULL; gconf_client_set_bool (default_client, KEY_NO_TAB_POPUP, whether, &err); if (err) { meta_warning (_("Error setting no tab popup status: %s\n"), err->message); g_error_free (err); } #else no_tab_popup = whether; #endif } void meta_prefs_override_no_tab_popup (gboolean whether) { no_tab_popup = whether; } #ifndef HAVE_GCONF static void init_button_layout(void) { MetaButtonLayout button_layout_ltr = { { /* buttons in the group on the left side */ META_BUTTON_FUNCTION_MENU, META_BUTTON_FUNCTION_LAST }, { /* buttons in the group on the right side */ META_BUTTON_FUNCTION_MINIMIZE, META_BUTTON_FUNCTION_MAXIMIZE, META_BUTTON_FUNCTION_CLOSE, META_BUTTON_FUNCTION_LAST } }; MetaButtonLayout button_layout_rtl = { { /* buttons in the group on the left side */ META_BUTTON_FUNCTION_CLOSE, META_BUTTON_FUNCTION_MAXIMIZE, META_BUTTON_FUNCTION_MINIMIZE, META_BUTTON_FUNCTION_LAST }, { /* buttons in the group on the right side */ META_BUTTON_FUNCTION_MENU, META_BUTTON_FUNCTION_LAST } }; button_layout = meta_ui_get_direction() == META_UI_DIRECTION_LTR ? button_layout_ltr : button_layout_rtl; }; #endif