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Diffstat (limited to 'src/core/prefs.c')
| -rw-r--r-- | src/core/prefs.c | 2794 |
1 files changed, 2794 insertions, 0 deletions
diff --git a/src/core/prefs.c b/src/core/prefs.c new file mode 100644 index 00000000..494d3da1 --- /dev/null +++ b/src/core/prefs.c @@ -0,0 +1,2794 @@ +/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ + +/* Marco 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 <config.h> +#include "prefs.h" +#include "ui.h" +#include "util.h" +#ifdef HAVE_MATECONF +#include <mateconf/mateconf-client.h> +#endif +#include <string.h> +#include <stdlib.h> + +#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 mateconf + * 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/marco/general/titlebar_font" +#define KEY_NUM_WORKSPACES "/apps/marco/general/num_workspaces" +#define KEY_COMPOSITOR "/apps/marco/general/compositing_manager" +#define KEY_MATE_ACCESSIBILITY "/desktop/mate/interface/accessibility" + +#define KEY_COMMAND_DIRECTORY "/apps/marco/keybinding_commands" +#define KEY_COMMAND_PREFIX "/apps/marco/keybinding_commands/command_" + +#define KEY_TERMINAL_DIR "/desktop/mate/applications/terminal" +#define KEY_TERMINAL_COMMAND KEY_TERMINAL_DIR "/exec" + +#define KEY_SCREEN_BINDINGS_PREFIX "/apps/marco/global_keybindings" +#define KEY_WINDOW_BINDINGS_PREFIX "/apps/marco/window_keybindings" +#define KEY_LIST_BINDINGS_SUFFIX "_list" + +#define KEY_WORKSPACE_NAME_DIRECTORY "/apps/marco/workspace_names" +#define KEY_WORKSPACE_NAME_PREFIX "/apps/marco/workspace_names/name_" + + +#ifdef HAVE_MATECONF +static MateConfClient *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 mate_accessibility = FALSE; +static gboolean mate_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 force_fullscreen = TRUE; + +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, }; + +#ifdef HAVE_MATECONF +static gboolean handle_preference_update_enum (const gchar *key, MateConfValue *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 (MateConfClient *client, + guint cnxn_id, + MateConfEntry *entry, + gpointer user_data); + +static char* mateconf_key_for_workspace_name (int i); + +static void queue_changed (MetaPreference pref); + +typedef enum + { + META_LIST_OF_STRINGS, + META_LIST_OF_MATECONFVALUE_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_MATECONF */ + +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_MATECONF +static void init_button_layout (void); +#endif /* !HAVE_MATECONF */ + +#ifdef HAVE_MATECONF + +typedef struct +{ + MetaPrefsChangedFunc func; + gpointer data; +} MetaPrefsListener; + +static MateConfEnumStringPair symtab_focus_mode[] = + { + { META_FOCUS_MODE_CLICK, "click" }, + { META_FOCUS_MODE_SLOPPY, "sloppy" }, + { META_FOCUS_MODE_MOUSE, "mouse" }, + { 0, NULL }, + }; + +static MateConfEnumStringPair symtab_focus_new_windows[] = + { + { META_FOCUS_NEW_WINDOWS_SMART, "smart" }, + { META_FOCUS_NEW_WINDOWS_STRICT, "strict" }, + { 0, NULL }, + }; + +static MateConfEnumStringPair 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 MateConfEnumStringPair 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; + MateConfEnumStringPair *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/marco/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/marco/general/focus_new_windows", + META_PREF_FOCUS_NEW_WINDOWS, + symtab_focus_new_windows, + &focus_new_windows, + }, + { "/apps/marco/general/focus_mode", + META_PREF_FOCUS_MODE, + symtab_focus_mode, + &focus_mode, + }, + { "/apps/marco/general/visual_bell_type", + META_PREF_VISUAL_BELL_TYPE, + symtab_visual_bell_type, + &visual_bell_type, + }, + { "/apps/marco/general/action_double_click_titlebar", + META_PREF_ACTION_DOUBLE_CLICK_TITLEBAR, + symtab_titlebar_action, + &action_double_click_titlebar, + }, + { "/apps/marco/general/action_middle_click_titlebar", + META_PREF_ACTION_MIDDLE_CLICK_TITLEBAR, + symtab_titlebar_action, + &action_middle_click_titlebar, + }, + { "/apps/marco/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/marco/general/raise_on_click", + META_PREF_RAISE_ON_CLICK, + &raise_on_click, + TRUE, + }, + { "/apps/marco/general/titlebar_uses_system_font", + META_PREF_TITLEBAR_FONT, /* note! shares a pref */ + &use_system_font, + TRUE, + }, + { "/apps/marco/general/application_based", + META_PREF_APPLICATION_BASED, + NULL, /* feature is known but disabled */ + FALSE, + }, + { "/apps/marco/general/disable_workarounds", + META_PREF_DISABLE_WORKAROUNDS, + &disable_workarounds, + FALSE, + }, + { "/apps/marco/general/auto_raise", + META_PREF_AUTO_RAISE, + &auto_raise, + FALSE, + }, + { "/apps/marco/general/visual_bell", + META_PREF_VISUAL_BELL, + &provide_visual_bell, /* FIXME: change the name: it's confusing */ + FALSE, + }, + { "/apps/marco/general/audible_bell", + META_PREF_AUDIBLE_BELL, + &bell_is_audible, /* FIXME: change the name: it's confusing */ + FALSE, + }, + { "/apps/marco/general/reduced_resources", + META_PREF_REDUCED_RESOURCES, + &reduced_resources, + FALSE, + }, + { "/desktop/mate/interface/accessibility", + META_PREF_MATE_ACCESSIBILITY, + &mate_accessibility, + FALSE, + }, + { "/desktop/mate/interface/enable_animations", + META_PREF_MATE_ANIMATIONS, + &mate_animations, + TRUE, + }, + { "/apps/marco/general/compositing_manager", + META_PREF_COMPOSITING_MANAGER, + &compositing_manager, + FALSE, + }, + { "/apps/marco/general/resize_with_right_button", + META_PREF_RESIZE_WITH_RIGHT_BUTTON, + &resize_with_right_button, + FALSE, + }, + { NULL, 0, NULL, FALSE }, + }; + +static MetaStringPreference preferences_string[] = + { + { "/apps/marco/general/mouse_button_modifier", + META_PREF_MOUSE_BUTTON_MODS, + mouse_button_mods_handler, + NULL, + }, + { "/apps/marco/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/marco/general/button_layout", + META_PREF_BUTTON_LAYOUT, + button_layout_handler, + NULL, + }, + { "/desktop/mate/peripherals/mouse/cursor_theme", + META_PREF_CURSOR_THEME, + NULL, + &cursor_theme, + }, + { NULL, 0, NULL, NULL }, + }; + +static MetaIntPreference preferences_int[] = + { + { "/apps/marco/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/marco/general/auto_raise_delay", + META_PREF_AUTO_RAISE_DELAY, + &auto_raise_delay, + 0, 10000, 0, + /* @@@ Get rid of MAX_REASONABLE_AUTO_RAISE_DELAY */ + }, + { "/desktop/mate/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 = mateconf_client_get_string (default_client, + cursor->key, + &error); + cleanup_error (&error); + + if (value==NULL) + { + ++cursor; + continue; + } + + if (!mateconf_string_to_enum (cursor->symtab, + value, + (gint *) cursor->target)) + meta_warning (_("MateConf 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 = mateconf_client_get_string (default_client, + cursor->key, + &error); + cleanup_error (&error); + + 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 = mateconf_client_get_int (default_client, + cursor->key, + &error); + cleanup_error (&error); + + if (value < cursor->minimum || value > cursor->maximum) + { + meta_warning (_("%d stored in MateConf 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, MateConfValue *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 != MATECONF_VALUE_STRING) + { + meta_warning (_("MateConf 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 (!mateconf_string_to_enum (cursor->symtab, + mateconf_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 (_("MateConf 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, MateConfValue *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 != MATECONF_VALUE_BOOL) + { + meta_warning (_("MateConf 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) = mateconf_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, MateConfValue *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 != MATECONF_VALUE_STRING) + { + meta_warning (_("MateConf 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 = mateconf_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, MateConfValue *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 != MATECONF_VALUE_INT) + { + meta_warning (_("MateConf key \"%s\" is set to an invalid type\n"), + key); + /* But we did recognise it. */ + return TRUE; + } + + new_value = mateconf_value_get_int (value); + + if (new_value < cursor->minimum || new_value > cursor->maximum) + { + meta_warning (_("%d stored in MateConf 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 mateconf notify idle */ + if (changed_idle == 0) + changed_idle = g_idle_add_full (META_PRIORITY_PREFS_NOTIFY, + changed_idle_handler, NULL, NULL); +} + +#else /* HAVE_MATECONF */ + +void +meta_prefs_add_listener (MetaPrefsChangedFunc func, + gpointer data) +{ + /* Nothing, because they have mateconf turned off */ +} + +void +meta_prefs_remove_listener (MetaPrefsChangedFunc func, + gpointer data) +{ + /* Nothing, because they have mateconf turned off */ +} + +#endif /* HAVE_MATECONF */ + + +/****************************************************************************/ +/* Initialisation. */ +/****************************************************************************/ + +#ifdef HAVE_MATECONF +/* @@@ again, use glib's ability to tell you the size of the array */ +static gchar *mateconf_dirs_we_are_interested_in[] = { + "/apps/marco", + KEY_TERMINAL_DIR, + KEY_MATE_ACCESSIBILITY, + "/desktop/mate/peripherals/mouse", + "/desktop/mate/interface", + NULL, +}; +#endif + +void +meta_prefs_init (void) +{ +#ifdef HAVE_MATECONF + GError *err = NULL; + gchar **mateconf_dir_cursor; + + if (default_client != NULL) + return; + + /* returns a reference which we hold forever */ + default_client = mateconf_client_get_default (); + + for (mateconf_dir_cursor=mateconf_dirs_we_are_interested_in; + *mateconf_dir_cursor!=NULL; + mateconf_dir_cursor++) + { + mateconf_client_add_dir (default_client, + *mateconf_dir_cursor, + MATECONF_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 (); + + /* @@@ Is there any reason we don't do the add_dir here? */ + for (mateconf_dir_cursor=mateconf_dirs_we_are_interested_in; + *mateconf_dir_cursor!=NULL; + mateconf_dir_cursor++) + { + mateconf_client_notify_add (default_client, + *mateconf_dir_cursor, + change_notify, + NULL, + NULL, + &err); + cleanup_error (&err); + } + +#else /* HAVE_MATECONF */ + + /* 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 ("ClearlooksRe"); + + init_button_layout(); +#endif /* HAVE_MATECONF */ + + init_bindings (); + init_commands (); + init_workspace_names (); +} + + +/****************************************************************************/ +/* Updates. */ +/****************************************************************************/ + +#ifdef HAVE_MATECONF + +gboolean (*preference_update_handler[]) (const gchar*, MateConfValue*) = { + handle_preference_update_enum, + handle_preference_update_bool, + handle_preference_update_string, + handle_preference_update_int, + NULL +}; + +static void +change_notify (MateConfClient *client, + guint cnxn_id, + MateConfEntry *entry, + gpointer user_data) +{ + const char *key; + MateConfValue *value; + gint i=0; + + key = mateconf_entry_get_key (entry); + value = mateconf_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 != MATECONF_VALUE_LIST) + { + meta_warning (_("MateConf key \"%s\" is set to an invalid type\n"), + key); + goto out; + } + + list = value ? mateconf_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 != MATECONF_VALUE_STRING) + { + meta_warning (_("MateConf key \"%s\" is set to an invalid type\n"), + key); + goto out; + } + + str = value ? mateconf_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 != MATECONF_VALUE_STRING) + { + meta_warning (_("MateConf key \"%s\" is set to an invalid type\n"), + key); + goto out; + } + + str = value ? mateconf_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 != MATECONF_VALUE_STRING) + { + meta_warning (_("MateConf key \"%s\" is set to an invalid type\n"), + key); + goto out; + } + + str = value ? mateconf_value_get_string (value) : NULL; + + if (update_workspace_name (key, str)) + queue_changed (META_PREF_WORKSPACE_NAMES); + } + else + { + meta_topic (META_DEBUG_PREFS, "Key %s doesn't mean anything to Marco\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; + MateConfValue *value; + gboolean filled_in = FALSE; + + value = mateconf_client_get (default_client, key, &err); + cleanup_error (&err); + if (value) + { + if (value->type == MATECONF_VALUE_BOOL) + { + *val = mateconf_value_get_bool (value); + filled_in = TRUE; + } + mateconf_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_MATECONF */ + +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_MATECONF + +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 MateConf 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 ("ClearlooksRe"); + 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 mateconf 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 mateconf 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: mateconf_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_MATECONF */ + +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_MATECONF +#define MAX_REASONABLE_AUTO_RAISE_DELAY 10000 + +#endif /* HAVE_MATECONF */ + +#ifdef WITH_VERBOSE_MODE +const char* +meta_preference_to_string (MetaPreference pref) +{ + /* FIXME: another case for mateconf_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_MATE_ACCESSIBILITY: + return "MATE_ACCESSIBILTY"; + + case META_PREF_MATE_ANIMATIONS: + return "MATE_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_FORCE_FULLSCREEN: + return "FORCE_FULLSCREEN"; + } + + return "(unknown)"; +} +#endif /* WITH_VERBOSE_MODE */ + +void +meta_prefs_set_num_workspaces (int n_workspaces) +{ +#ifdef HAVE_MATECONF + 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; + mateconf_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_MATECONF */ +} + +#define keybind(name, handler, param, flags, stroke, description) \ + { #name, NULL, !!(flags & BINDING_REVERSES), !!(flags & BINDING_PER_WINDOW) }, +static MetaKeyPref key_bindings[] = { +#include "all-keybindings.h" + { NULL, NULL, FALSE } +}; +#undef keybind + +#ifndef HAVE_MATECONF + +/** + * A type to map names of keybindings (such as "switch_windows") + * to the binding strings themselves (such as "<Alt>Tab"). + * It exists only when MateConf is turned off in ./configure and + * functions as a sort of ersatz MateConf. + */ +typedef struct +{ + const char *name; + const char *keybinding; +} MetaSimpleKeyMapping; + +/* FIXME: This would be neater if the array only contained entries whose + * default keystroke was non-null. You COULD do this by defining + * ONLY_BOUND_BY_DEFAULT around various blocks at the cost of making + * the bindings file way more complicated. However, we could stop this being + * data and move it into code. Then the compiler would optimise away + * the problem lines. + */ + +#define keybind(name, handler, param, flags, stroke, description) \ + { #name, stroke }, + +static MetaSimpleKeyMapping key_string_bindings[] = { +#include "all-keybindings.h" + { NULL, NULL } +}; +#undef keybind + +#endif /* NOT HAVE_MATECONF */ + +static void +init_bindings (void) +{ +#ifdef HAVE_MATECONF + const char *prefix[] = { + KEY_WINDOW_BINDINGS_PREFIX, + KEY_SCREEN_BINDINGS_PREFIX, + NULL + }; + int i; + GSList *list, *l, *list_val; + const char *str_val; + const char *key; + MateConfEntry *entry; + MateConfValue *value; + + for (i = 0; prefix[i]; i++) + { + list = mateconf_client_all_entries (default_client, prefix[i], NULL); + for (l = list; l; l = l->next) + { + entry = l->data; + key = mateconf_entry_get_key (entry); + value = mateconf_entry_get_value (entry); + if (g_str_has_suffix (key, KEY_LIST_BINDINGS_SUFFIX)) + { + list_val = mateconf_client_get_list (default_client, key, MATECONF_VALUE_STRING, NULL); + + update_key_list_binding (key, list_val); + g_slist_foreach (list_val, (GFunc)g_free, NULL); + g_slist_free (list_val); + } + else + { + str_val = mateconf_value_get_string (value); + update_key_binding (key, str_val); + } + mateconf_entry_free (entry); + } + g_slist_free (list); + } +#else /* HAVE_MATECONF */ + int i = 0; + int which = 0; + while (key_string_bindings[i].name) + { + if (key_string_bindings[i].keybinding == NULL) { + ++i; + continue; + } + + while (strcmp(key_bindings[which].name, + key_string_bindings[i].name) != 0) + which++; + + /* Set the binding */ + update_binding (&key_bindings[which], + key_string_bindings[i].keybinding); + + ++i; + } +#endif /* HAVE_MATECONF */ +} + +static void +init_commands (void) +{ +#ifdef HAVE_MATECONF + GSList *list, *l; + const char *str_val; + const char *key; + MateConfEntry *entry; + MateConfValue *value; + + list = mateconf_client_all_entries (default_client, KEY_COMMAND_DIRECTORY, NULL); + for (l = list; l; l = l->next) + { + entry = l->data; + key = mateconf_entry_get_key (entry); + value = mateconf_entry_get_value (entry); + str_val = mateconf_value_get_string (value); + update_command (key, str_val); + mateconf_entry_free (entry); + } + g_slist_free (list); +#else + int i; + for (i = 0; i < MAX_COMMANDS; i++) + commands[i] = NULL; +#endif /* HAVE_MATECONF */ +} + +static void +init_workspace_names (void) +{ +#ifdef HAVE_MATECONF + GSList *list, *l; + const char *str_val; + const char *key; + MateConfEntry *entry; + MateConfValue *value; + + list = mateconf_client_all_entries (default_client, KEY_WORKSPACE_NAME_DIRECTORY, NULL); + for (l = list; l; l = l->next) + { + entry = l->data; + key = mateconf_entry_get_key (entry); + value = mateconf_entry_get_value (entry); + str_val = mateconf_value_get_string (value); + update_workspace_name (key, str_val); + mateconf_entry_free (entry); + } + g_slist_free (list); +#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_MATECONF */ +} + +static gboolean +update_binding (MetaKeyPref *binding, + const char *value) +{ + unsigned int keysym; + unsigned int keycode; + MetaVirtualModifier mods; + MetaKeyCombo *combo; + gboolean changed; + + meta_topic (META_DEBUG_KEYBINDINGS, + "Binding \"%s\" has new mateconf 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 mateconf 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_MATECONF + /* 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); + + mateconf_client_set_string (mateconf_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 mateconf_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_MATECONF +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 mateconf 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_MATECONFVALUE_STRINGS: + pref_string = mateconf_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 mateconf 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 mateconf? */ + 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 mateconf? */ + + 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_MATECONFVALUE_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_MATECONF */ + +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_mateconf_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_mateconf_key_for_terminal_command (void) +{ + return KEY_TERMINAL_COMMAND; +} + +#ifdef HAVE_MATECONF +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_MATECONF */ + +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_MATECONF + 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 = mateconf_key_for_workspace_name (i); + + err = NULL; + if (name != NULL) + mateconf_client_set_string (default_client, + key, name, + &err); + else + mateconf_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_MATECONF */ +} + +#ifdef HAVE_MATECONF +static char* +mateconf_key_for_workspace_name (int i) +{ + char *key; + + key = g_strdup_printf (KEY_WORKSPACE_NAME_PREFIX"%d", i + 1); + + return key; +} +#endif /* HAVE_MATECONF */ + +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; +} + +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_mate_accessibility () +{ + return mate_accessibility; +} + +gboolean +meta_prefs_get_mate_animations () +{ + return mate_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; +} + +gboolean +meta_prefs_get_force_fullscreen (void) +{ + return force_fullscreen; +} + +void +meta_prefs_set_compositing_manager (gboolean whether) +{ +#ifdef HAVE_MATECONF + GError *err = NULL; + + mateconf_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 +} + +#ifndef HAVE_MATECONF +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 + +void +meta_prefs_set_force_fullscreen (gboolean whether) +{ + force_fullscreen = whether; +} + |