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ffd95c2ad5
mutter/src/core/prefs.c
Florian Müllner ffd95c2ad5 theme: Complete removal of "fringe" titlebar button support 
We have been ignoring those buttons since 3.16 after they had been
broken in the default theme for a couple of versions. As nobody
appears to miss them, it's time to remove them for good.
2015-10-16 04:13:14 +02:00

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* 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 <http://www.gnu.org/licenses/>.
*/
/**
* SECTION:prefs
* @title: Preferences
* @short_description: Mutter preferences
*/
#include <config.h>
#include <meta/prefs.h>
#include "util-private.h"
#include "meta-plugin-manager.h"
#include <glib.h>
#include <gio/gio.h>
#include <string.h>
#include <stdlib.h>
#include "keybindings-private.h"
#include "meta-accel-parse.h"
/* 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"
/* 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_XKB_OPTIONS "xkb-options"
#define KEY_OVERLAY_KEY "overlay-key"
#define KEY_WORKSPACES_ONLY_ON_PRIMARY "workspaces-only-on-primary"
/* These are the different schemas we are keeping
* a GSettings instance for */
#define SCHEMA_GENERAL "org.gnome.desktop.wm.preferences"
#define SCHEMA_MUTTER "org.gnome.mutter"
#define SCHEMA_INTERFACE "org.gnome.desktop.interface"
#define SCHEMA_INPUT_SOURCES "org.gnome.desktop.input-sources"
#define SCHEMA_XSETTINGS "org.gnome.settings-daemon.plugins.xsettings"
#define SCHEMA_MOUSE "org.gnome.settings-daemon.peripherals.mouse"
#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 MetaKeyCombo overlay_key_combo = { 0, 0, 0 };
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 center_new_windows = FALSE;
static gboolean attach_modal_dialogs = FALSE;
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 dynamic_workspaces = FALSE;
static gboolean disable_workarounds = FALSE;
static gboolean auto_raise = FALSE;
static gboolean auto_raise_delay = 500;
static gboolean focus_change_on_pointer_rest = FALSE;
static gboolean bell_is_visible = FALSE;
static gboolean bell_is_audible = TRUE;
static gboolean gnome_accessibility = FALSE;
static gboolean gnome_animations = TRUE;
static char *cursor_theme = NULL;
/* cursor_size will, when running as an X11 compositing window manager, be the
* actual cursor size, multiplied with the global window scaling factor. On
* Wayland, it will be the actual cursor size retrieved from gsettings.
*/
static int cursor_size = 24;
static int draggable_border_width = 10;
static int drag_threshold;
static gboolean resize_with_right_button = FALSE;
static gboolean edge_tiling = FALSE;
static gboolean force_fullscreen = TRUE;
static gboolean ignore_request_hide_titlebar = FALSE;
static gboolean auto_maximize = TRUE;
static gboolean show_fallback_app_menu = FALSE;
static GDesktopVisualBellType visual_bell_type = G_DESKTOP_VISUAL_BELL_FULLSCREEN_FLASH;
static MetaButtonLayout button_layout;
/* NULL-terminated array */
static char **workspace_names = NULL;
static gboolean workspaces_only_on_primary = FALSE;
static char *iso_next_group_option = 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 void wayland_settings_changed (GSettings *settings,
gchar *key,
gpointer data);
static void settings_changed (GSettings *settings,
gchar *key,
gpointer data);
static void bindings_changed (GSettings *settings,
gchar *key,
gpointer data);
static void shell_shows_app_menu_changed (GtkSettings *settings,
GParamSpec *pspec,
gpointer data);
static void update_cursor_size_from_gtk (GtkSettings *settings,
GParamSpec *pspec,
gpointer data);
static void update_cursor_size (void);
static void queue_changed (MetaPreference pref);
static void maybe_give_disable_workarounds_warning (void);
static gboolean titlebar_handler (GVariant*, gpointer*, gpointer);
static gboolean mouse_button_mods_handler (GVariant*, gpointer*, gpointer);
static gboolean button_layout_handler (GVariant*, gpointer*, gpointer);
static gboolean overlay_key_handler (GVariant*, gpointer*, gpointer);
static gboolean iso_next_group_handler (GVariant*, gpointer*, gpointer);
static void do_override (char *key, char *schema);
static void init_bindings (void);
typedef struct
{
MetaPrefsChangedFunc func;
gpointer data;
} MetaPrefsListener;
typedef struct
{
const char *key;
const char *schema;
MetaPreference pref;
} MetaBasePreference;
typedef struct
{
MetaBasePreference base;
gpointer target;
} MetaEnumPreference;
typedef struct
{
MetaBasePreference base;
gboolean *target;
} MetaBoolPreference;
/**
* MetaStringPreference:
* @handler: (nullable): 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.
* @target: (nullable): 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.
*/
typedef struct
{
MetaBasePreference base;
GSettingsGetMapping handler;
gchar **target;
} MetaStringPreference;
typedef struct
{
MetaBasePreference base;
GSettingsGetMapping handler;
gchar ***target;
} MetaStringArrayPreference;
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,
},
{ { NULL, 0, 0 }, NULL },
};
static MetaBoolPreference preferences_bool[] =
{
{
{ "attach-modal-dialogs",
SCHEMA_MUTTER,
META_PREF_ATTACH_MODAL_DIALOGS,
},
&attach_modal_dialogs,
},
{
{ "center-new-windows",
SCHEMA_MUTTER,
META_PREF_CENTER_NEW_WINDOWS,
},
&center_new_windows,
},
{
{ "raise-on-click",
SCHEMA_GENERAL,
META_PREF_RAISE_ON_CLICK,
},
&raise_on_click,
},
{
{ "titlebar-uses-system-font",
SCHEMA_GENERAL,
META_PREF_TITLEBAR_FONT, /* note! shares a pref */
},
&use_system_font,
},
{
{ "dynamic-workspaces",
SCHEMA_MUTTER,
META_PREF_DYNAMIC_WORKSPACES,
},
&dynamic_workspaces,
},
{
{ "disable-workarounds",
SCHEMA_GENERAL,
META_PREF_DISABLE_WORKAROUNDS,
},
&disable_workarounds,
},
{
{ "auto-raise",
SCHEMA_GENERAL,
META_PREF_AUTO_RAISE,
},
&auto_raise,
},
{
{ "focus-change-on-pointer-rest",
SCHEMA_MUTTER,
META_PREF_FOCUS_CHANGE_ON_POINTER_REST,
},
&focus_change_on_pointer_rest
},
{
{ "visual-bell",
SCHEMA_GENERAL,
META_PREF_VISUAL_BELL,
},
&bell_is_visible, /* FIXME: change the name: it's confusing */
},
{
{ "audible-bell",
SCHEMA_GENERAL,
META_PREF_AUDIBLE_BELL,
},
&bell_is_audible, /* FIXME: change the name: it's confusing */
},
{
{ KEY_GNOME_ACCESSIBILITY,
SCHEMA_INTERFACE,
META_PREF_GNOME_ACCESSIBILITY,
},
&gnome_accessibility,
},
{
{ KEY_GNOME_ANIMATIONS,
SCHEMA_INTERFACE,
META_PREF_GNOME_ANIMATIONS,
},
&gnome_animations,
},
{
{ "resize-with-right-button",
SCHEMA_GENERAL,
META_PREF_RESIZE_WITH_RIGHT_BUTTON,
},
&resize_with_right_button,
},
{
{ "edge-tiling",
SCHEMA_MUTTER,
META_PREF_EDGE_TILING,
},
&edge_tiling,
},
{
{ "workspaces-only-on-primary",
SCHEMA_MUTTER,
META_PREF_WORKSPACES_ONLY_ON_PRIMARY,
},
&workspaces_only_on_primary,
},
{
{ "auto-maximize",
SCHEMA_MUTTER,
META_PREF_AUTO_MAXIMIZE,
},
&auto_maximize,
},
{ { NULL, 0, 0 }, NULL },
};
static MetaStringPreference preferences_string[] =
{
{
{ "mouse-button-modifier",
SCHEMA_GENERAL,
META_PREF_MOUSE_BUTTON_MODS,
},
mouse_button_mods_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,
},
{
{ "cursor-theme",
SCHEMA_INTERFACE,
META_PREF_CURSOR_THEME,
},
NULL,
&cursor_theme,
},
{
{ "overlay-key",
SCHEMA_MUTTER,
META_PREF_KEYBINDINGS,
},
overlay_key_handler,
NULL,
},
{ { NULL, 0, 0 }, NULL },
};
static MetaStringArrayPreference preferences_string_array[] =
{
{
{ KEY_WORKSPACE_NAMES,
SCHEMA_GENERAL,
META_PREF_WORKSPACE_NAMES,
},
NULL,
&workspace_names,
},
{
{ KEY_XKB_OPTIONS,
SCHEMA_INPUT_SOURCES,
META_PREF_KEYBINDINGS,
},
iso_next_group_handler,
NULL,
},
{ { NULL, 0, 0 }, NULL },
};
static MetaIntPreference preferences_int[] =
{
{
{ KEY_NUM_WORKSPACES,
SCHEMA_GENERAL,
META_PREF_NUM_WORKSPACES,
},
&num_workspaces
},
{
{ "auto-raise-delay",
SCHEMA_GENERAL,
META_PREF_AUTO_RAISE_DELAY,
},
&auto_raise_delay
},
{
{ "draggable-border-width",
SCHEMA_MUTTER,
META_PREF_DRAGGABLE_BORDER_WIDTH,
},
&draggable_border_width
},
{
{ "drag-threshold",
SCHEMA_MOUSE,
META_PREF_DRAG_THRESHOLD,
},
&drag_threshold
},
{ { NULL, 0, 0 }, NULL },
};
/*
* This is used to keep track of override schemas used to
* override preferences from the "normal" metacity/mutter
* schemas; we modify the preferences arrays directly, but
* we also need to remember what we have done to handle
* subsequent overrides correctly.
*/
typedef struct
{
char *key;
char *new_schema;
} MetaPrefsOverriddenKey;
static GSList *overridden_keys;
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);
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_string_array (void)
{
MetaStringArrayPreference *cursor = preferences_string_array;
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_strfreev (*(cursor->target));
value = g_settings_get_strv (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);
/* Now look it up... */
*((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);
g_free(*(cursor->target));
*(cursor->target) = value;
}
if (inform_listeners)
queue_changed (cursor->base.pref);
}
static void
handle_preference_update_string_array (GSettings *settings,
gchar *key)
{
MetaStringArrayPreference *cursor = preferences_string_array;
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
{
char **values, **previous;
int n_values, n_previous, i;
if (!cursor->target)
meta_bug ("%s must have handler or target\n", cursor->base.key);
values = g_settings_get_strv (SETTINGS (cursor->base.schema),
cursor->base.key);
n_values = g_strv_length (values);
previous = *(cursor->target);
n_previous = previous ? g_strv_length (previous) : 0;
inform_listeners = n_previous != n_values;
for (i = 0; i < n_values && !inform_listeners; i++)
inform_listeners = g_strcmp0 (values[i], previous[i]) != 0;
if (*(cursor->target))
g_strfreev (*(cursor->target));
*(cursor->target) = values;
}
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. */
/****************************************************************************/
/**
* meta_prefs_add_listener: (skip)
* @func: a #MetaPrefsChangedFunc
* @user_data: data passed to the function
*
*/
void
meta_prefs_add_listener (MetaPrefsChangedFunc func,
gpointer user_data)
{
MetaPrefsListener *l;
l = g_new (MetaPrefsListener, 1);
l->func = func;
l->data = user_data;
listeners = g_list_prepend (listeners, l);
}
/**
* meta_prefs_remove_listener: (skip)
* @func: a #MetaPrefsChangedFunc
* @user_data: data passed to the function
*
*/
void
meta_prefs_remove_listener (MetaPrefsChangedFunc func,
gpointer user_data)
{
GList *tmp;
tmp = listeners;
while (tmp != NULL)
{
MetaPrefsListener *l = tmp->data;
if (l->func == func &&
l->data == user_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);
g_source_set_name_by_id (changed_idle, "[mutter] changed_idle_handler");
}
}
/****************************************************************************/
/* Initialisation. */
/****************************************************************************/
void
meta_prefs_init (void)
{
GSettings *settings;
GSList *tmp;
settings_schemas = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, 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, g_strdup (SCHEMA_GENERAL), settings);
settings = g_settings_new (SCHEMA_MUTTER);
g_signal_connect (settings, "changed", G_CALLBACK (settings_changed), NULL);
g_hash_table_insert (settings_schemas, g_strdup (SCHEMA_MUTTER), settings);
settings = g_settings_new (SCHEMA_MOUSE);
g_signal_connect (settings, "changed", G_CALLBACK (settings_changed), NULL);
g_hash_table_insert (settings_schemas, g_strdup (SCHEMA_MOUSE), 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);
if (meta_is_wayland_compositor ())
g_signal_connect (settings, "changed::cursor-size",
G_CALLBACK (wayland_settings_changed), NULL);
g_hash_table_insert (settings_schemas, g_strdup (SCHEMA_INTERFACE), settings);
g_signal_connect (gtk_settings_get_default (),
"notify::gtk-shell-shows-app-menu",
G_CALLBACK (shell_shows_app_menu_changed), NULL);
if (!meta_is_wayland_compositor ())
g_signal_connect (gtk_settings_get_default (), "notify::gtk-cursor-theme-size",
G_CALLBACK (update_cursor_size_from_gtk), NULL);
settings = g_settings_new (SCHEMA_INPUT_SOURCES);
g_signal_connect (settings, "changed::" KEY_XKB_OPTIONS,
G_CALLBACK (settings_changed), NULL);
g_hash_table_insert (settings_schemas, g_strdup (SCHEMA_INPUT_SOURCES), settings);
for (tmp = overridden_keys; tmp; tmp = tmp->next)
{
MetaPrefsOverriddenKey *override = tmp->data;
do_override (override->key, override->new_schema);
}
/* Pick up initial values. */
handle_preference_init_enum ();
handle_preference_init_bool ();
handle_preference_init_string ();
handle_preference_init_string_array ();
handle_preference_init_int ();
update_cursor_size ();
shell_shows_app_menu_changed (gtk_settings_get_default (), NULL, NULL);
init_bindings ();
}
static gboolean
find_pref (void *prefs,
size_t pref_size,
const char *search_key,
MetaBasePreference **pref)
{
void *p = prefs;
while (TRUE)
{
char **key = p;
if (*key == NULL)
break;
if (strcmp (*key, search_key) == 0)
{
*pref = p;
return TRUE;
}
p = (guchar *)p + pref_size;
}
return FALSE;
}
static void
do_override (char *key,
char *schema)
{
MetaBasePreference *pref;
GSettings *settings;
char *detailed_signal;
gpointer data;
guint handler_id;
g_return_if_fail (settings_schemas != NULL);
if (!find_pref (preferences_enum, sizeof(MetaEnumPreference), key, &pref) &&
!find_pref (preferences_bool, sizeof(MetaBoolPreference), key, &pref) &&
!find_pref (preferences_string, sizeof(MetaStringPreference), key, &pref) &&
!find_pref (preferences_int, sizeof(MetaIntPreference), key, &pref))
{
meta_warning ("Can't override preference key, \"%s\" not found\n", key);
return;
}
settings = SETTINGS (pref->schema);
data = g_object_get_data (G_OBJECT (settings), key);
if (data)
{
handler_id = GPOINTER_TO_UINT (data);
g_signal_handler_disconnect (settings, handler_id);
}
pref->schema = schema;
settings = SETTINGS (pref->schema);
if (!settings)
{
settings = g_settings_new (pref->schema);
g_hash_table_insert (settings_schemas, g_strdup (pref->schema), settings);
}
detailed_signal = g_strdup_printf ("changed::%s", key);
handler_id = g_signal_connect (settings, detailed_signal,
G_CALLBACK (settings_changed), NULL);
g_free (detailed_signal);
g_object_set_data (G_OBJECT (settings), key, GUINT_TO_POINTER (handler_id));
settings_changed (settings, key, NULL);
}
/**
* meta_prefs_override_preference_schema:
* @key: the preference name
* @schema: new schema for preference @key
*
* Specify a schema whose keys are used to override the standard Metacity
* keys. This might be used if a plugin expected a different value for
* some preference than the Metacity default. While this function can be
* called at any point, this function should generally be called in a
* plugin's constructor, rather than in its start() method so the preference
* isn't first loaded with one value then changed to another value.
*/
void
meta_prefs_override_preference_schema (const char *key, const char *schema)
{
MetaPrefsOverriddenKey *overridden;
GSList *tmp;
/* Merge identical overrides, this isn't an error */
for (tmp = overridden_keys; tmp; tmp = tmp->next)
{
MetaPrefsOverriddenKey *tmp_overridden = tmp->data;
if (strcmp (tmp_overridden->key, key) == 0 &&
strcmp (tmp_overridden->new_schema, schema) == 0)
return;
}
overridden = NULL;
for (tmp = overridden_keys; tmp; tmp = tmp->next)
{
MetaPrefsOverriddenKey *tmp_overridden = tmp->data;
if (strcmp (tmp_overridden->key, key) == 0)
overridden = tmp_overridden;
}
if (overridden)
{
g_free (overridden->new_schema);
overridden->new_schema = g_strdup (schema);
}
else
{
overridden = g_slice_new (MetaPrefsOverriddenKey);
overridden->key = g_strdup (key);
overridden->new_schema = g_strdup (schema);
overridden_keys = g_slist_prepend (overridden_keys, overridden);
}
if (settings_schemas != NULL)
do_override (overridden->key, overridden->new_schema);
}
/****************************************************************************/
/* Updates. */
/****************************************************************************/
static void
wayland_settings_changed (GSettings *settings,
gchar *key,
gpointer data)
{
GVariant *value = g_settings_get_value (settings, key);
const GVariantType *type = g_variant_get_type (value);
g_return_if_fail (g_variant_type_equal (type, G_VARIANT_TYPE_INT32));
g_return_if_fail (g_str_equal (key, "cursor-size"));
update_cursor_size ();
}
static void
settings_changed (GSettings *settings,
gchar *key,
gpointer data)
{
GVariant *value;
const GVariantType *type;
MetaEnumPreference *cursor;
gboolean found_enum;
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_ARRAY))
handle_preference_update_string_array (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
{
/* Unknown preference type. This quite likely simply isn't
* a preference we track changes to. */
}
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);
}
static void
shell_shows_app_menu_changed (GtkSettings *settings,
GParamSpec *pspec,
gpointer data)
{
int shell_shows_app_menu = 1;
gboolean changed = FALSE;
g_object_get (settings,
"gtk-shell-shows-app-menu", &shell_shows_app_menu,
NULL);
changed = (show_fallback_app_menu == !!shell_shows_app_menu);
show_fallback_app_menu = !shell_shows_app_menu;
if (changed)
queue_changed (META_PREF_BUTTON_LAYOUT);
}
static void
update_cursor_size (void)
{
if (meta_is_wayland_compositor ())
{
/* When running as a Wayland compositor, since we size of the cursor
* depends on what output it is on, we cannot use the GTK+
* "gtk-cursor-theme-size" setting because it has already been multiplied
* by the primary monitor scale. So, instead get the non-premultiplied
* cursor size value directly from gsettings instead.
*/
cursor_size =
g_settings_get_int (SETTINGS (SCHEMA_INTERFACE), "cursor-size");
}
else
{
update_cursor_size_from_gtk (gtk_settings_get_default (), NULL, NULL);
}
}
static void
update_cursor_size_from_gtk (GtkSettings *settings,
GParamSpec *pspec,
gpointer data)
{
GdkScreen *screen = gdk_screen_get_default ();
GValue value = G_VALUE_INIT;
int xsettings_cursor_size = 24;
g_value_init (&value, G_TYPE_INT);
if (gdk_screen_get_setting (screen, "gtk-cursor-theme-size", &value))
{
xsettings_cursor_size = g_value_get_int (&value);
}
if (xsettings_cursor_size != cursor_size)
{
cursor_size = xsettings_cursor_size;
queue_changed (META_PREF_CURSOR_SIZE);
}
}
/**
* maybe_give_disable_workaround_warning:
*
* 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_center_new_windows (void)
{
return center_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;
}
gboolean
meta_prefs_get_show_fallback_app_menu (void)
{
return show_fallback_app_menu;
}
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
mouse_button_mods_handler (GVariant *value,
gpointer *result,
gpointer data)
{
MetaVirtualModifier mods;
const gchar *string_value;
*result = NULL; /* ignored */
string_value = g_variant_get_string (value, NULL);
if (!string_value || !meta_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
/* don't know; give up */
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;
}
else
{
if (f != META_BUTTON_FUNCTION_LAST && !used[f])
{
new_layout.left_buttons[i] = f;
used[f] = TRUE;
++i;
}
else
{
meta_topic (META_DEBUG_PREFS, "Ignoring unknown or already-used button name \"%s\"\n",
buttons[b]);
}
}
++b;
}
g_strfreev (buttons);
}
for (; i < MAX_BUTTONS_PER_CORNER; i++)
{
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;
}
else
{
if (f != META_BUTTON_FUNCTION_LAST && !used[f])
{
new_layout.right_buttons[i] = f;
used[f] = TRUE;
++i;
}
else
{
meta_topic (META_DEBUG_PREFS, "Ignoring unknown or already-used button name \"%s\"\n",
buttons[b]);
}
}
++b;
}
g_strfreev (buttons);
}
for (; i < MAX_BUTTONS_PER_CORNER; i++)
{
new_layout.right_buttons[i] = META_BUTTON_FUNCTION_LAST;
new_layout.right_buttons_has_spacer[i] = FALSE;
}
g_strfreev (sides);
/* Invert the button layout for RTL languages */
if (meta_get_locale_direction() == META_LOCALE_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];
}
for (; j < MAX_BUTTONS_PER_CORNER; j++)
{
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];
}
for (; j < MAX_BUTTONS_PER_CORNER; j++)
{
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;
}
static gboolean
overlay_key_handler (GVariant *value,
gpointer *result,
gpointer data)
{
MetaKeyCombo combo;
const gchar *string_value;
*result = NULL; /* ignored */
string_value = g_variant_get_string (value, NULL);
if (string_value && meta_parse_accelerator (string_value, &combo))
;
else
{
meta_topic (META_DEBUG_KEYBINDINGS,
"Failed to parse value for overlay-key\n");
return FALSE;
}
combo.modifiers = 0;
if (overlay_key_combo.keysym != combo.keysym ||
overlay_key_combo.keycode != combo.keycode)
{
overlay_key_combo = combo;
queue_changed (META_PREF_KEYBINDINGS);
}
return TRUE;
}
static gboolean
iso_next_group_handler (GVariant *value,
gpointer *result,
gpointer data)
{
const char **xkb_options, **p;
const char *option = NULL;
gboolean changed = FALSE;
*result = NULL; /* ignored */
xkb_options = g_variant_get_strv (value, NULL);
for (p = xkb_options; p && *p; ++p)
if (g_str_has_prefix (*p, "grp:"))
{
option = (*p + 4);
break;
}
changed = (g_strcmp0 (option, iso_next_group_option) != 0);
if (changed)
{
g_free (iso_next_group_option);
iso_next_group_option = g_strdup (option);
queue_changed (META_PREF_KEYBINDINGS);
}
g_free (xkb_options);
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_dynamic_workspaces (void)
{
return dynamic_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_CENTER_NEW_WINDOWS:
return "CENTER_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_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_FOCUS_CHANGE_ON_POINTER_REST:
return "FOCUS_CHANGE_ON_POINTER_REST";
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_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_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_WORKSPACES_ONLY_ON_PRIMARY:
return "WORKSPACES_ONLY_ON_PRIMARY";
case META_PREF_DRAGGABLE_BORDER_WIDTH:
return "DRAGGABLE_BORDER_WIDTH";
case META_PREF_DRAG_THRESHOLD:
return "DRAG_TRHESHOLD";
case META_PREF_DYNAMIC_WORKSPACES:
return "DYNAMIC_WORKSPACES";
case META_PREF_AUTO_MAXIMIZE:
return "AUTO_MAXIMIZE";
}
return "(unknown)";
}
#endif /* WITH_VERBOSE_MODE */
void
meta_prefs_set_num_workspaces (int n_workspaces)
{
MetaBasePreference *pref;
if (find_pref (preferences_int, sizeof(MetaIntPreference),
KEY_NUM_WORKSPACES, &pref))
{
g_settings_set_int (SETTINGS (pref->schema),
KEY_NUM_WORKSPACES,
n_workspaces);
}
}
static GHashTable *key_bindings;
static void
meta_key_pref_free (MetaKeyPref *pref)
{
update_binding (pref, NULL);
g_free (pref->name);
g_object_unref (pref->settings);
g_free (pref);
}
static void
init_bindings (void)
{
MetaKeyPref *pref;
key_bindings = g_hash_table_new_full (g_str_hash, g_str_equal, g_free,
(GDestroyNotify)meta_key_pref_free);
pref = g_new0 (MetaKeyPref, 1);
pref->name = g_strdup ("overlay-key");
pref->action = META_KEYBINDING_ACTION_OVERLAY_KEY;
pref->combos = g_slist_prepend (pref->combos, &overlay_key_combo);
pref->builtin = 1;
g_hash_table_insert (key_bindings, g_strdup ("overlay-key"), pref);
}
static gboolean
update_binding (MetaKeyPref *binding,
gchar **strokes)
{
GSList *old_combos, *a, *b;
gboolean changed;
int i;
meta_topic (META_DEBUG_KEYBINDINGS,
"Binding \"%s\" has new GSettings value\n",
binding->name);
old_combos = binding->combos;
binding->combos = NULL;
for (i = 0; strokes && strokes[i]; i++)
{
MetaKeyCombo *combo;
combo = g_malloc0 (sizeof (MetaKeyCombo));
if (!meta_parse_accelerator (strokes[i], combo))
{
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);
g_free (combo);
/* 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;
}
binding->combos = g_slist_prepend (binding->combos, combo);
}
binding->combos = g_slist_reverse (binding->combos);
a = old_combos;
b = binding->combos;
while (TRUE)
{
if ((!a && b) || (a && !b))
{
changed = TRUE;
break;
}
else if (!a && !b)
{
changed = FALSE;
break;
}
else if (memcmp (a->data, b->data, sizeof (MetaKeyCombo)) != 0)
{
changed = TRUE;
break;
}
else
{
a = a->next;
b = b->next;
}
}
g_slist_free_full (old_combos, g_free);
return changed;
}
static gboolean
update_key_binding (const char *key,
gchar **strokes)
{
MetaKeyPref *pref = g_hash_table_lookup (key_bindings, key);
if (pref)
return update_binding (pref, strokes);
else
return FALSE;
}
const char*
meta_prefs_get_workspace_name (int i)
{
const char *name;
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));
}
/**
* meta_prefs_get_button_layout:
* @button_layout: (out):
*/
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;
}
gboolean
meta_prefs_add_keybinding (const char *name,
GSettings *settings,
MetaKeyBindingAction action,
MetaKeyBindingFlags flags)
{
MetaKeyPref *pref;
char **strokes;
guint id;
if (g_hash_table_lookup (key_bindings, name))
{
meta_warning ("Trying to re-add keybinding \"%s\".\n", name);
return FALSE;
}
pref = g_new0 (MetaKeyPref, 1);
pref->name = g_strdup (name);
pref->settings = g_object_ref (settings);
pref->action = action;
pref->combos = NULL;
pref->builtin = (flags & META_KEY_BINDING_BUILTIN) != 0;
if (pref->builtin)
{
if (g_object_get_data (G_OBJECT (settings), "changed-signal") == NULL)
{
id = g_signal_connect (settings, "changed",
G_CALLBACK (bindings_changed), NULL);
g_object_set_data (G_OBJECT (settings), "changed-signal", GUINT_TO_POINTER (id));
}
}
else
{
char *changed_signal = g_strdup_printf ("changed::%s", name);
id = g_signal_connect (settings, changed_signal,
G_CALLBACK (bindings_changed), NULL);
g_free (changed_signal);
g_object_set_data (G_OBJECT (settings), name, GUINT_TO_POINTER (id));
queue_changed (META_PREF_KEYBINDINGS);
}
strokes = g_settings_get_strv (settings, name);
update_binding (pref, strokes);
g_strfreev (strokes);
g_hash_table_insert (key_bindings, g_strdup (name), pref);
return TRUE;
}
gboolean
meta_prefs_remove_keybinding (const char *name)
{
MetaKeyPref *pref;
guint id;
pref = g_hash_table_lookup (key_bindings, name);
if (!pref)
{
meta_warning ("Trying to remove non-existent keybinding \"%s\".\n", name);
return FALSE;
}
if (pref->builtin)
{
meta_warning ("Trying to remove builtin keybinding \"%s\".\n", name);
return FALSE;
}
id = GPOINTER_TO_UINT (g_object_steal_data (G_OBJECT (pref->settings), name));
g_signal_handler_disconnect (pref->settings, id);
g_hash_table_remove (key_bindings, name);
queue_changed (META_PREF_KEYBINDINGS);
return TRUE;
}
GList *
meta_prefs_get_keybindings (void)
{
return g_hash_table_get_values (key_bindings);
}
void
meta_prefs_get_overlay_binding (MetaKeyCombo *combo)
{
*combo = overlay_key_combo;
}
const char *
meta_prefs_get_iso_next_group_option (void)
{
return iso_next_group_option;
}
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_focus_change_on_pointer_rest (void)
{
return focus_change_on_pointer_rest;
}
gboolean
meta_prefs_get_gnome_accessibility (void)
{
return gnome_accessibility;
}
gboolean
meta_prefs_get_gnome_animations (void)
{
return gnome_animations;
}
gboolean
meta_prefs_get_edge_tiling (void)
{
return edge_tiling;
}
gboolean
meta_prefs_get_auto_maximize (void)
{
return auto_maximize;
}
MetaKeyBindingAction
meta_prefs_get_keybinding_action (const char *name)
{
MetaKeyPref *pref = g_hash_table_lookup (key_bindings, name);
return pref ? pref->action
: META_KEYBINDING_ACTION_NONE;
}
gint
meta_prefs_get_mouse_button_resize (void)
{
return resize_with_right_button ? 3: 2;
}
gint
meta_prefs_get_mouse_button_menu (void)
{
return resize_with_right_button ? 2: 3;
}
gboolean
meta_prefs_get_force_fullscreen (void)
{
return force_fullscreen;
}
gboolean
meta_prefs_get_workspaces_only_on_primary (void)
{
return workspaces_only_on_primary;
}
int
meta_prefs_get_draggable_border_width (void)
{
return draggable_border_width;
}
int
meta_prefs_get_drag_threshold (void)
{
return drag_threshold;
}
void
meta_prefs_set_force_fullscreen (gboolean whether)
{
force_fullscreen = whether;
}
gboolean
meta_prefs_get_ignore_request_hide_titlebar (void)
{
return ignore_request_hide_titlebar;
}
void
meta_prefs_set_ignore_request_hide_titlebar (gboolean whether)
{
ignore_request_hide_titlebar = whether;
}
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