/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ /* Metacity preferences */ /* * Copyright (C) 2001 Havoc Pennington, Copyright (C) 2002 Red Hat Inc. * Copyright (C) 2006 Elijah Newren * Copyright (C) 2008 Thomas Thurman * Copyright (C) 2010 Milan Bouchet-Valat, Copyright (C) 2011 Red Hat Inc. * * 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, see . */ #include #include "prefs.h" #include "ui.h" #include "util.h" #include #include #include #include /* If you add a key, it needs updating in init() and in the gsettings * 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 "titlebar-font" #define KEY_NUM_WORKSPACES "num-workspaces" #define KEY_WORKSPACE_NAMES "workspace-names" #define KEY_COMPOSITOR "compositing-manager" #define KEY_PLACEMENT_MODE "placement-mode" /* Keys from "foreign" schemas */ #define KEY_GNOME_ACCESSIBILITY "toolkit-accessibility" #define KEY_GNOME_ANIMATIONS "enable-animations" #define KEY_GNOME_CURSOR_THEME "cursor-theme" #define KEY_GNOME_CURSOR_SIZE "cursor-size" /* These are the different schemas we are keeping * a GSettings instance for */ #define SCHEMA_GENERAL "org.gnome.desktop.wm.preferences" #define SCHEMA_METACITY "org.gnome.metacity" #define SCHEMA_INTERFACE "org.gnome.desktop.interface" #define SCHEMA_BINDINGS "org.gnome.desktop.wm.keybindings" #define SETTINGS(s) g_hash_table_lookup (settings_schemas, (s)) static GList *changes = NULL; static guint changed_idle; static GList *listeners = NULL; static GHashTable *settings_schemas; static gboolean use_system_font = FALSE; static PangoFontDescription *titlebar_font = NULL; static MetaVirtualModifier mouse_button_mods = Mod1Mask; static GDesktopFocusMode focus_mode = G_DESKTOP_FOCUS_MODE_CLICK; static GDesktopFocusNewWindows focus_new_windows = G_DESKTOP_FOCUS_NEW_WINDOWS_SMART; static gboolean raise_on_click = TRUE; static gboolean attach_modal_dialogs = FALSE; static char* current_theme = NULL; static int num_workspaces = 4; static GDesktopTitlebarAction action_double_click_titlebar = G_DESKTOP_TITLEBAR_ACTION_TOGGLE_MAXIMIZE; static GDesktopTitlebarAction action_middle_click_titlebar = G_DESKTOP_TITLEBAR_ACTION_LOWER; static GDesktopTitlebarAction action_right_click_titlebar = G_DESKTOP_TITLEBAR_ACTION_MENU; static gboolean disable_workarounds = FALSE; static gboolean auto_raise = FALSE; static gboolean auto_raise_delay = 500; static gboolean bell_is_visible = 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 gboolean edge_tiling = FALSE; static gboolean force_fullscreen = TRUE; static GDesktopVisualBellType visual_bell_type = G_DESKTOP_VISUAL_BELL_FULLSCREEN_FLASH; static MetaButtonLayout button_layout; static MetaPlacementMode placement_mode = META_PLACEMENT_MODE_SMART; /* NULL-terminated array */ static char **workspace_names = NULL; static void handle_preference_update_enum (GSettings *settings, gchar *key); static gboolean update_binding (MetaKeyPref *binding, gchar **strokes); static gboolean update_key_binding (const char *key, gchar **strokes); static gboolean update_workspace_names (void); static void settings_changed (GSettings *settings, gchar *key, gpointer data); static void bindings_changed (GSettings *settings, gchar *key, gpointer data); static void queue_changed (MetaPreference pref); static void maybe_give_disable_workarounds_warning (void); static gboolean titlebar_handler (GVariant*, gpointer*, gpointer); static gboolean theme_name_handler (GVariant*, gpointer*, gpointer); static gboolean mouse_button_mods_handler (GVariant*, gpointer*, gpointer); static gboolean button_layout_handler (GVariant*, gpointer*, gpointer); static void init_bindings (void); static void init_workspace_names (void); typedef struct { MetaPrefsChangedFunc func; gpointer data; } MetaPrefsListener; typedef struct { gchar *key; gchar *schema; MetaPreference pref; } MetaBasePreference; typedef struct { MetaBasePreference base; gpointer target; } MetaEnumPreference; typedef struct { MetaBasePreference base; gboolean *target; gboolean becomes_true_on_destruction; } MetaBoolPreference; typedef struct { MetaBasePreference base; /** * 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 instead of writing * the string value out to the target variable. * * The function will be passed to g_settings_get_mapped() and should * return %TRUE if the mapping was successful and %FALSE otherwise. * In the former case the function is expected to handle the result * of the conversion itself and call queue_changed() appropriately; * in particular the @result (out) parameter as returned by * g_settings_get_mapped() will be ignored in all cases. * * This may be NULL. If it is, see "target", below. */ GSettingsGetMapping handler; /** * 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; typedef struct { MetaBasePreference base; gint *target; } MetaIntPreference; /* All preferences that are not keybindings must be listed here, * plus in the GSettings schemas and the MetaPreference enum. */ /* FIXMEs: */ /* @@@ Don't use NULL lines at the end; glib can tell you how big it is */ static MetaEnumPreference preferences_enum[] = { { { "focus-new-windows", SCHEMA_GENERAL, META_PREF_FOCUS_NEW_WINDOWS, }, &focus_new_windows, }, { { "focus-mode", SCHEMA_GENERAL, META_PREF_FOCUS_MODE, }, &focus_mode, }, { { "visual-bell-type", SCHEMA_GENERAL, META_PREF_VISUAL_BELL_TYPE, }, &visual_bell_type, }, { { "action-double-click-titlebar", SCHEMA_GENERAL, META_PREF_ACTION_DOUBLE_CLICK_TITLEBAR, }, &action_double_click_titlebar, }, { { "action-middle-click-titlebar", SCHEMA_GENERAL, META_PREF_ACTION_MIDDLE_CLICK_TITLEBAR, }, &action_middle_click_titlebar, }, { { "action-right-click-titlebar", SCHEMA_GENERAL, META_PREF_ACTION_RIGHT_CLICK_TITLEBAR, }, &action_right_click_titlebar, }, { { "placement-mode", SCHEMA_METACITY, META_PREF_PLACEMENT_MODE, }, &placement_mode, }, { { NULL, 0, 0 }, NULL }, }; static MetaBoolPreference preferences_bool[] = { { { "raise-on-click", SCHEMA_GENERAL, META_PREF_RAISE_ON_CLICK, }, &raise_on_click, TRUE, }, { { "titlebar-uses-system-font", SCHEMA_GENERAL, META_PREF_TITLEBAR_FONT, /* note! shares a pref */ }, &use_system_font, TRUE, }, { { "disable-workarounds", SCHEMA_GENERAL, META_PREF_DISABLE_WORKAROUNDS, }, &disable_workarounds, FALSE, }, { { "auto-raise", SCHEMA_GENERAL, META_PREF_AUTO_RAISE, }, &auto_raise, FALSE, }, { { "visual-bell", SCHEMA_GENERAL, META_PREF_VISUAL_BELL, }, &bell_is_visible, /* FIXME: change the name: it's confusing */ FALSE, }, { { "audible-bell", SCHEMA_GENERAL, META_PREF_AUDIBLE_BELL, }, &bell_is_audible, /* FIXME: change the name: it's confusing */ FALSE, }, { { "reduced-resources", SCHEMA_METACITY, META_PREF_REDUCED_RESOURCES, }, &reduced_resources, FALSE, }, { { KEY_GNOME_ACCESSIBILITY, SCHEMA_INTERFACE, META_PREF_GNOME_ACCESSIBILITY, }, &gnome_accessibility, FALSE, }, { { KEY_GNOME_ANIMATIONS, SCHEMA_INTERFACE, META_PREF_GNOME_ANIMATIONS, }, &gnome_animations, TRUE, }, { { "compositing-manager", SCHEMA_METACITY, META_PREF_COMPOSITING_MANAGER, }, &compositing_manager, FALSE, }, { { "resize-with-right-button", SCHEMA_GENERAL, META_PREF_RESIZE_WITH_RIGHT_BUTTON, }, &resize_with_right_button, FALSE, }, { { "edge-tiling", SCHEMA_METACITY, META_PREF_EDGE_TILING, }, &edge_tiling, FALSE, }, { { NULL, 0, 0 }, NULL, FALSE }, }; static MetaStringPreference preferences_string[] = { { { "mouse-button-modifier", SCHEMA_GENERAL, META_PREF_MOUSE_BUTTON_MODS, }, mouse_button_mods_handler, NULL, }, { { "theme", SCHEMA_GENERAL, META_PREF_THEME, }, theme_name_handler, NULL, }, { { KEY_TITLEBAR_FONT, SCHEMA_GENERAL, META_PREF_TITLEBAR_FONT, }, titlebar_handler, NULL, }, { { "button-layout", SCHEMA_GENERAL, META_PREF_BUTTON_LAYOUT, }, button_layout_handler, NULL, }, { { KEY_GNOME_CURSOR_THEME, SCHEMA_INTERFACE, META_PREF_CURSOR_THEME, }, NULL, &cursor_theme, }, { { NULL, 0, 0 }, NULL }, }; static MetaIntPreference preferences_int[] = { { { "num-workspaces", SCHEMA_GENERAL, META_PREF_NUM_WORKSPACES, }, &num_workspaces }, { { "auto-raise-delay", SCHEMA_GENERAL, META_PREF_AUTO_RAISE_DELAY, }, &auto_raise_delay }, { { KEY_GNOME_CURSOR_SIZE, SCHEMA_INTERFACE, META_PREF_CURSOR_SIZE, }, &cursor_size }, { { NULL, 0, 0 }, NULL }, }; static void handle_preference_init_enum (void) { MetaEnumPreference *cursor = preferences_enum; while (cursor->base.key != NULL) { if (cursor->target==NULL) continue; *((gint *) cursor->target) = g_settings_get_enum (SETTINGS (cursor->base.schema), cursor->base.key); ++cursor; } } static void handle_preference_init_bool (void) { MetaBoolPreference *cursor = preferences_bool; while (cursor->base.key != NULL) { if (cursor->target!=NULL) *cursor->target = g_settings_get_boolean (SETTINGS (cursor->base.schema), cursor->base.key); ++cursor; } maybe_give_disable_workarounds_warning (); } static void handle_preference_init_string (void) { MetaStringPreference *cursor = preferences_string; while (cursor->base.key != NULL) { char *value; /* Complex keys have a mapping function to check validity */ if (cursor->handler) { if (cursor->target) meta_bug ("%s has both a target and a handler\n", cursor->base.key); g_settings_get_mapped (SETTINGS (cursor->base.schema), cursor->base.key, cursor->handler, NULL); } else { if (!cursor->target) meta_bug ("%s must have handler or target\n", cursor->base.key); if (*(cursor->target)) g_free (*(cursor->target)); value = g_settings_get_string (SETTINGS (cursor->base.schema), cursor->base.key); *(cursor->target) = value; } ++cursor; } } static void handle_preference_init_int (void) { MetaIntPreference *cursor = preferences_int; while (cursor->base.key != NULL) { if (cursor->target) *cursor->target = g_settings_get_int (SETTINGS (cursor->base.schema), cursor->base.key); ++cursor; } } static void handle_preference_update_enum (GSettings *settings, gchar *key) { MetaEnumPreference *cursor = preferences_enum; gint old_value; while (cursor->base.key != NULL && strcmp (key, cursor->base.key) != 0) ++cursor; if (cursor->base.key==NULL) /* Didn't recognise that key. */ return; /* We need to know whether the value changes, so * store the current value away. */ old_value = * ((gint *) cursor->target); *((gint *) cursor->target) = g_settings_get_enum (SETTINGS (cursor->base.schema), key); /* Did it change? If so, tell the listeners about it. */ if (old_value != *((gint *) cursor->target)) queue_changed (cursor->base.pref); } static void handle_preference_update_bool (GSettings *settings, gchar *key) { MetaBoolPreference *cursor = preferences_bool; gboolean old_value; while (cursor->base.key != NULL && strcmp (key, cursor->base.key) != 0) ++cursor; if (cursor->base.key==NULL || cursor->target==NULL) /* Unknown key or no work for us to do. */ return; /* We need to know whether the value changes, so * store the current value away. */ old_value = *((gboolean *) cursor->target); *((gboolean *) cursor->target) = g_settings_get_boolean (SETTINGS (cursor->base.schema), key); /* Did it change? If so, tell the listeners about it. */ if (old_value != *((gboolean *) cursor->target)) queue_changed (cursor->base.pref); if (cursor->base.pref==META_PREF_DISABLE_WORKAROUNDS) maybe_give_disable_workarounds_warning (); } static void handle_preference_update_string (GSettings *settings, gchar *key) { MetaStringPreference *cursor = preferences_string; char *value; gboolean inform_listeners = FALSE; while (cursor->base.key != NULL && strcmp (key, cursor->base.key) != 0) ++cursor; if (cursor->base.key==NULL) /* Didn't recognise that key. */ return; /* Complex keys have a mapping function to check validity */ if (cursor->handler) { if (cursor->target) meta_bug ("%s has both a target and a handler\n", cursor->base.key); g_settings_get_mapped (SETTINGS (cursor->base.schema), cursor->base.key, cursor->handler, NULL); } else { if (!cursor->target) meta_bug ("%s must have handler or target\n", cursor->base.key); value = g_settings_get_string (SETTINGS (cursor->base.schema), cursor->base.key); inform_listeners = (g_strcmp0 (value, *(cursor->target)) != 0); if (*(cursor->target)) g_free (*(cursor->target)); *(cursor->target) = value; } if (inform_listeners) queue_changed (cursor->base.pref); } static void handle_preference_update_int (GSettings *settings, gchar *key) { MetaIntPreference *cursor = preferences_int; gint new_value; while (cursor->base.key != NULL && strcmp (key, cursor->base.key) != 0) ++cursor; if (cursor->base.key==NULL || cursor->target==NULL) /* Unknown key or no work for us to do. */ return; new_value = g_settings_get_int (SETTINGS (cursor->base.schema), key); /* Did it change? If so, tell the listeners about it. */ if (*cursor->target != new_value) { *cursor->target = new_value; queue_changed (cursor->base.pref); } } /****************************************************************************/ /* 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)); if (changed_idle == 0) changed_idle = g_idle_add_full (META_PRIORITY_PREFS_NOTIFY, changed_idle_handler, NULL, NULL); } /****************************************************************************/ /* Initialisation. */ /****************************************************************************/ void meta_prefs_init (void) { GSettings *settings; settings_schemas = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, g_object_unref); settings = g_settings_new (SCHEMA_GENERAL); g_signal_connect (settings, "changed", G_CALLBACK (settings_changed), NULL); g_hash_table_insert (settings_schemas, SCHEMA_GENERAL, settings); settings = g_settings_new (SCHEMA_METACITY); g_signal_connect (settings, "changed", G_CALLBACK (settings_changed), NULL); g_hash_table_insert (settings_schemas, SCHEMA_METACITY, settings); /* Individual keys we watch outside of our schemas */ settings = g_settings_new (SCHEMA_INTERFACE); g_signal_connect (settings, "changed::" KEY_GNOME_ACCESSIBILITY, G_CALLBACK (settings_changed), NULL); g_signal_connect (settings, "changed::" KEY_GNOME_ANIMATIONS, G_CALLBACK (settings_changed), NULL); g_signal_connect (settings, "changed::" KEY_GNOME_CURSOR_THEME, G_CALLBACK (settings_changed), NULL); g_signal_connect (settings, "changed::" KEY_GNOME_CURSOR_SIZE, G_CALLBACK (settings_changed), NULL); g_hash_table_insert (settings_schemas, SCHEMA_INTERFACE, settings); /* Bindings have a separate handler, since they are in separate schemas * and work differently */ settings = g_settings_new (SCHEMA_BINDINGS); g_signal_connect (settings, "changed", G_CALLBACK (bindings_changed), NULL); g_hash_table_insert (settings_schemas, SCHEMA_BINDINGS, settings); /* Pick up initial values. */ handle_preference_init_enum (); handle_preference_init_bool (); handle_preference_init_string (); handle_preference_init_int (); init_bindings (); init_workspace_names (); } /****************************************************************************/ /* Updates. */ /****************************************************************************/ static void settings_changed (GSettings *settings, gchar *key, gpointer data) { GVariant *value; const GVariantType *type; MetaEnumPreference *cursor; gboolean found_enum; /* String array, handled separately */ if (strcmp (key, KEY_WORKSPACE_NAMES) == 0) { if (update_workspace_names ()); queue_changed (META_PREF_WORKSPACE_NAMES); return; } value = g_settings_get_value (settings, key); type = g_variant_get_type (value); if (g_variant_type_equal (type, G_VARIANT_TYPE_BOOLEAN)) handle_preference_update_bool (settings, key); else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT32)) handle_preference_update_int (settings, key); else if (g_variant_type_equal (type, G_VARIANT_TYPE_STRING)) { cursor = preferences_enum; found_enum = FALSE; while (cursor->base.key != NULL) { if (strcmp (key, cursor->base.key) == 0) found_enum = TRUE; cursor++; } if (found_enum) handle_preference_update_enum (settings, key); else handle_preference_update_string (settings, key); } else /* Someone added a preference of an unhandled type */ g_assert_not_reached (); g_variant_unref (value); } static void bindings_changed (GSettings *settings, gchar *key, gpointer data) { gchar **strokes; strokes = g_settings_get_strv (settings, key); if (update_key_binding (key, strokes)) queue_changed (META_PREF_KEYBINDINGS); g_strfreev (strokes); } /** * 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")); } } MetaVirtualModifier meta_prefs_get_mouse_button_mods (void) { return mouse_button_mods; } GDesktopFocusMode meta_prefs_get_focus_mode (void) { return focus_mode; } GDesktopFocusNewWindows meta_prefs_get_focus_new_windows (void) { return focus_new_windows; } gboolean meta_prefs_get_attach_modal_dialogs (void) { return attach_modal_dialogs; } gboolean meta_prefs_get_raise_on_click (void) { return raise_on_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. */ /****************************************************************************/ static gboolean titlebar_handler (GVariant *value, gpointer *result, gpointer data) { PangoFontDescription *desc; const gchar *string_value; *result = NULL; /* ignored */ string_value = g_variant_get_string (value, NULL); desc = pango_font_description_from_string (string_value); if (desc == NULL) { meta_warning (_("Could not parse font description " "\"%s\" from GSettings key %s\n"), string_value ? string_value : "(null)", KEY_TITLEBAR_FONT); return FALSE; } /* Is the new description the same as the old? */ if (titlebar_font && pango_font_description_equal (desc, titlebar_font)) { pango_font_description_free (desc); } else { if (titlebar_font) pango_font_description_free (titlebar_font); titlebar_font = desc; queue_changed (META_PREF_TITLEBAR_FONT); } return TRUE; } static gboolean theme_name_handler (GVariant *value, gpointer *result, gpointer data) { const gchar *string_value; *result = NULL; /* ignored */ string_value = g_variant_get_string (value, NULL); if (!string_value || !*string_value) return FALSE; if (g_strcmp0 (current_theme, string_value) != 0) { if (current_theme) g_free (current_theme); current_theme = g_strdup (string_value); queue_changed (META_PREF_THEME); } return TRUE; } static gboolean mouse_button_mods_handler (GVariant *value, gpointer *result, gpointer data) { MetaVirtualModifier mods; const gchar *string_value; string_value = g_variant_get_string (value, NULL); if (!string_value || !meta_ui_parse_modifier (string_value, &mods)) { meta_topic (META_DEBUG_KEYBINDINGS, "Failed to parse new GSettings value\n"); meta_warning (_("\"%s\" found in configuration database is " "not a valid value for mouse button modifier\n"), string_value); return FALSE; } meta_topic (META_DEBUG_KEYBINDINGS, "Mouse button modifier has new GSettings value \"%s\"\n", string_value); if (mods != mouse_button_mods) { mouse_button_mods = mods; queue_changed (META_PREF_MOUSE_BUTTON_MODS); } return TRUE; } 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; } /* * This conversion cannot be handled by GSettings since * several values are stored in the same key (as a string). */ static MetaButtonFunction button_function_from_string (const char *str) { if (strcmp (str, "menu") == 0) return META_BUTTON_FUNCTION_MENU; else if (strcmp (str, "appmenu") == 0) return META_BUTTON_FUNCTION_APPMENU; 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 gboolean button_layout_handler (GVariant *value, gpointer *result, gpointer data) { MetaButtonLayout new_layout; const gchar *string_value; char **sides = NULL; int i; /* We need to ignore unknown button functions, for * compat with future versions */ *result = NULL; /* ignored */ string_value = g_variant_get_string (value, NULL); if (string_value) sides = g_strsplit (string_value, ":", 2); i = 0; if (sides != NULL && sides[0] != NULL) { char **buttons; int b; gboolean used[META_BUTTON_FUNCTION_LAST]; 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; } g_strfreev (buttons); } /* Close the buttons list even if it's empty */ new_layout.left_buttons[i] = META_BUTTON_FUNCTION_LAST; new_layout.left_buttons_has_spacer[i] = FALSE; i = 0; if (sides != NULL && sides[0] != NULL && sides[1] != NULL) { char **buttons; int b; gboolean used[META_BUTTON_FUNCTION_LAST]; 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; } g_strfreev (buttons); } /* Close the buttons list even if it's empty */ new_layout.right_buttons[i] = META_BUTTON_FUNCTION_LAST; new_layout.right_buttons_has_spacer[i] = FALSE; if (sides) 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)) { button_layout = new_layout; emit_changed (META_PREF_BUTTON_LAYOUT); } return TRUE; } 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_disable_workarounds (void) { return disable_workarounds; } #ifdef WITH_VERBOSE_MODE const char* meta_preference_to_string (MetaPreference pref) { /* TODO: better handled via GLib enum nicknames */ 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_ATTACH_MODAL_DIALOGS: return "ATTACH_MODAL_DIALOGS"; 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_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_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_EDGE_TILING: return "EDGE_TILING"; case META_PREF_FORCE_FULLSCREEN: return "FORCE_FULLSCREEN"; case META_PREF_PLACEMENT_MODE: return "PLACEMENT_MODE"; } return "(unknown)"; } #endif /* WITH_VERBOSE_MODE */ void meta_prefs_set_num_workspaces (int n_workspaces) { g_settings_set_int (SETTINGS (SCHEMA_GENERAL), KEY_NUM_WORKSPACES, n_workspaces); } #define keybind(name, handler, param, flags) \ { #name, NULL, !!(flags & BINDING_REVERSES), !!(flags & BINDING_PER_WINDOW) }, static MetaKeyPref key_bindings[] = { #include "all-keybindings.h" { NULL, NULL, FALSE } }; #undef keybind static void init_bindings (void) { int i; gchar **strokes; for (i = 0; key_bindings[i].name; i++) { strokes = g_settings_get_strv (SETTINGS (SCHEMA_BINDINGS), key_bindings[i].name); update_key_binding (key_bindings[i].name, strokes); g_strfreev (strokes); } } static void init_workspace_names (void) { update_workspace_names (); } static gboolean update_binding (MetaKeyPref *binding, gchar **strokes) { unsigned int keysym; unsigned int keycode; MetaVirtualModifier mods; gboolean changed = FALSE; MetaKeyCombo *combo; int i; meta_topic (META_DEBUG_KEYBINDINGS, "Binding \"%s\" has new GSettings value\n", binding->name); /* Okay, so, we're about to provide a new list of key combos for this * action. Delete any pre-existing list. */ g_slist_foreach (binding->bindings, (GFunc) g_free, NULL); g_slist_free (binding->bindings); binding->bindings = NULL; for (i = 0; strokes && strokes[i]; i++) { keysym = 0; keycode = 0; mods = 0; if (!meta_ui_parse_accelerator (strokes[i], &keysym, &keycode, &mods)) { meta_topic (META_DEBUG_KEYBINDINGS, "Failed to parse new GSettings value\n"); meta_warning (_("\"%s\" found in configuration database is not a valid value for keybinding \"%s\"\n"), strokes[i], binding->name); /* Value is kept and will thus be removed next time we save the key. * Changing the key in response to a modification could lead to cyclic calls. */ 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, strokes[i]); /* Value is kept and will thus be removed next time we save the key. * Changing the key in response to a modification could lead to cyclic calls. */ continue; } changed = TRUE; combo = g_malloc0 (sizeof (MetaKeyCombo)); combo->keysym = keysym; combo->keycode = keycode; combo->modifiers = mods; binding->bindings = g_slist_prepend (binding->bindings, 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); } return changed; } static gboolean update_key_binding (const char *key, gchar **strokes) { int i; i = 0; while (key_bindings[i].name && strcmp (key, key_bindings[i].name) != 0) i++; if (key_bindings[i].name) return update_binding (&key_bindings[i], strokes); else return FALSE; } static gboolean update_workspace_names (void) { int i; char **names; int n_workspace_names, n_names; gboolean changed = FALSE; names = g_settings_get_strv (SETTINGS (SCHEMA_GENERAL), KEY_WORKSPACE_NAMES); n_names = g_strv_length (names); n_workspace_names = workspace_names ? g_strv_length (workspace_names) : 0; for (i = 0; i < n_names; i++) if (n_workspace_names < i + 1 || !workspace_names[i] || g_strcmp0 (names[i], workspace_names[i]) != 0) { changed = TRUE; break; } if (n_workspace_names != n_names) changed = TRUE; if (changed) { if (workspace_names) g_strfreev (workspace_names); workspace_names = names; } else { g_strfreev (names); } return changed; } const char* meta_prefs_get_workspace_name (int i) { const char *name; g_return_val_if_fail (i >= 0, NULL); if (!workspace_names || g_strv_length (workspace_names) < (guint)i + 1 || !*workspace_names[i]) { char *generated_name = g_strdup_printf (_("Workspace %d"), i + 1); name = g_intern_string (generated_name); g_free (generated_name); } else name = workspace_names[i]; meta_topic (META_DEBUG_PREFS, "Getting name of workspace %d: \"%s\"\n", i, name); return name; } void meta_prefs_change_workspace_name (int num, const char *name) { GVariantBuilder builder; int n_workspace_names, i; g_return_if_fail (num >= 0); meta_topic (META_DEBUG_PREFS, "Changing name of workspace %d to %s\n", num, name ? name : "none"); /* NULL and empty string both mean "default" here, * and we also need to match the name against its default value * to avoid saving it literally. */ if (g_strcmp0 (name, meta_prefs_get_workspace_name (num)) == 0) { if (!name || !*name) meta_topic (META_DEBUG_PREFS, "Workspace %d already uses default name\n", num); else meta_topic (META_DEBUG_PREFS, "Workspace %d already has name %s\n", num, name); return; } g_variant_builder_init (&builder, G_VARIANT_TYPE_STRING_ARRAY); n_workspace_names = workspace_names ? g_strv_length (workspace_names) : 0; for (i = 0; i < MAX (num + 1, n_workspace_names); i++) { const char *value; if (i == num) value = name ? name : ""; else if (i < n_workspace_names) value = workspace_names[i] ? workspace_names[i] : ""; else value = ""; g_variant_builder_add (&builder, "s", value); } g_settings_set_value (SETTINGS (SCHEMA_GENERAL), KEY_WORKSPACE_NAMES, g_variant_builder_end (&builder)); } void meta_prefs_get_button_layout (MetaButtonLayout *button_layout_p) { *button_layout_p = button_layout; } gboolean meta_prefs_get_visual_bell (void) { return bell_is_visible; } gboolean meta_prefs_bell_is_audible (void) { return bell_is_audible; } GDesktopVisualBellType 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; } GDesktopTitlebarAction meta_prefs_get_action_double_click_titlebar (void) { return action_double_click_titlebar; } GDesktopTitlebarAction meta_prefs_get_action_middle_click_titlebar (void) { return action_middle_click_titlebar; } GDesktopTitlebarAction 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; } gboolean meta_prefs_get_edge_tiling () { return edge_tiling; } 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; } gboolean meta_prefs_get_force_fullscreen (void) { return force_fullscreen; } MetaPlacementMode meta_prefs_get_placement_mode (void) { return placement_mode; } void meta_prefs_set_compositing_manager (gboolean whether) { g_settings_set_boolean (SETTINGS (SCHEMA_METACITY), KEY_COMPOSITOR, whether); } void meta_prefs_set_force_fullscreen (gboolean whether) { force_fullscreen = whether; }