/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ /* Mutter Keybindings */ /* * Copyright (C) 2001 Havoc Pennington * Copyright (C) 2002 Red Hat Inc. * Copyright (C) 2003 Rob Adams * Copyright (C) 2004-2006 Elijah Newren * * 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. */ /** * SECTION:keybindings * @Title: MetaKeybinding * @Short_Description: Key bindings */ #define _GNU_SOURCE #define _SVID_SOURCE /* for putenv() */ #include #include "keybindings-private.h" #include "workspace-private.h" #include #include #include "edge-resistance.h" #include "ui.h" #include "frame.h" #include "place.h" #include #include "util-private.h" #include #include #include #include #ifdef HAVE_XKB #include #endif #ifdef HAVE_WAYLAND #include "meta-wayland-private.h" #endif #define SCHEMA_COMMON_KEYBINDINGS "org.gnome.desktop.wm.keybindings" #define SCHEMA_MUTTER_KEYBINDINGS "org.gnome.mutter.keybindings" #define SCHEMA_MUTTER_WAYLAND_KEYBINDINGS "org.gnome.mutter.wayland.keybindings" static gboolean add_builtin_keybinding (MetaDisplay *display, const char *name, GSettings *settings, MetaKeyBindingFlags flags, MetaKeyBindingAction action, MetaKeyHandlerFunc handler, int handler_arg); static void meta_key_binding_free (MetaKeyBinding *binding) { g_slice_free (MetaKeyBinding, binding); } static MetaKeyBinding * meta_key_binding_copy (MetaKeyBinding *binding) { return g_slice_dup (MetaKeyBinding, binding); } G_DEFINE_BOXED_TYPE(MetaKeyBinding, meta_key_binding, meta_key_binding_copy, meta_key_binding_free) const char * meta_key_binding_get_name (MetaKeyBinding *binding) { return binding->name; } MetaVirtualModifier meta_key_binding_get_modifiers (MetaKeyBinding *binding) { return binding->modifiers; } guint meta_key_binding_get_mask (MetaKeyBinding *binding) { return binding->mask; } gboolean meta_key_binding_is_builtin (MetaKeyBinding *binding) { return binding->handler->flags & META_KEY_BINDING_BUILTIN; } /* These can't be bound to anything, but they are used to handle * various other events. TODO: Possibly we should include them as event * handler functions and have some kind of flag to say they're unbindable. */ static void handle_workspace_switch (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy); static gboolean process_mouse_move_resize_grab (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, KeySym keysym); static gboolean process_keyboard_move_grab (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, KeySym keysym); static gboolean process_keyboard_resize_grab (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, KeySym keysym); static gboolean process_tab_grab (MetaDisplay *display, MetaScreen *screen, XIDeviceEvent *event, KeySym keysym); static gboolean process_workspace_switch_grab (MetaDisplay *display, MetaScreen *screen, XIDeviceEvent *event, KeySym keysym); static void grab_key_bindings (MetaDisplay *display); static void ungrab_key_bindings (MetaDisplay *display); static GHashTable *key_handlers; static GHashTable *external_grabs; #define HANDLER(name) g_hash_table_lookup (key_handlers, (name)) static void key_handler_free (MetaKeyHandler *handler) { g_free (handler->name); if (handler->user_data_free_func && handler->user_data) handler->user_data_free_func (handler->user_data); g_free (handler); } typedef struct _MetaKeyGrab MetaKeyGrab; struct _MetaKeyGrab { char *name; guint action; MetaKeyCombo *combo; }; static void meta_key_grab_free (MetaKeyGrab *grab) { g_free (grab->name); g_free (grab->combo); g_free (grab); } static void reload_keymap (MetaDisplay *display) { if (display->keymap) meta_XFree (display->keymap); /* This is expensive to compute, so we'll lazily load if and when we first * need it */ display->above_tab_keycode = 0; display->keymap = XGetKeyboardMapping (display->xdisplay, display->min_keycode, display->max_keycode - display->min_keycode + 1, &display->keysyms_per_keycode); } static void reload_modmap (MetaDisplay *display) { XModifierKeymap *modmap; int map_size; int i; if (display->modmap) XFreeModifiermap (display->modmap); modmap = XGetModifierMapping (display->xdisplay); display->modmap = modmap; display->ignored_modifier_mask = 0; /* Multiple bits may get set in each of these */ display->num_lock_mask = 0; display->scroll_lock_mask = 0; display->meta_mask = 0; display->hyper_mask = 0; display->super_mask = 0; /* there are 8 modifiers, and the first 3 are shift, shift lock, * and control */ map_size = 8 * modmap->max_keypermod; i = 3 * modmap->max_keypermod; while (i < map_size) { /* get the key code at this point in the map, * see if its keysym is one we're interested in */ int keycode = modmap->modifiermap[i]; if (keycode >= display->min_keycode && keycode <= display->max_keycode) { int j = 0; KeySym *syms = display->keymap + (keycode - display->min_keycode) * display->keysyms_per_keycode; while (j < display->keysyms_per_keycode) { if (syms[j] != 0) { const char *str; str = XKeysymToString (syms[j]); meta_topic (META_DEBUG_KEYBINDINGS, "Keysym %s bound to modifier 0x%x\n", str ? str : "none", (1 << ( i / modmap->max_keypermod))); } if (syms[j] == XK_Num_Lock) { /* Mod1Mask is 1 << 3 for example, i.e. the * fourth modifier, i / keyspermod is the modifier * index */ display->num_lock_mask |= (1 << ( i / modmap->max_keypermod)); } else if (syms[j] == XK_Scroll_Lock) { display->scroll_lock_mask |= (1 << ( i / modmap->max_keypermod)); } else if (syms[j] == XK_Super_L || syms[j] == XK_Super_R) { display->super_mask |= (1 << ( i / modmap->max_keypermod)); } else if (syms[j] == XK_Hyper_L || syms[j] == XK_Hyper_R) { display->hyper_mask |= (1 << ( i / modmap->max_keypermod)); } else if (syms[j] == XK_Meta_L || syms[j] == XK_Meta_R) { display->meta_mask |= (1 << ( i / modmap->max_keypermod)); } ++j; } } ++i; } display->ignored_modifier_mask = (display->num_lock_mask | display->scroll_lock_mask | LockMask); meta_topic (META_DEBUG_KEYBINDINGS, "Ignoring modmask 0x%x num lock 0x%x scroll lock 0x%x hyper 0x%x super 0x%x meta 0x%x\n", display->ignored_modifier_mask, display->num_lock_mask, display->scroll_lock_mask, display->hyper_mask, display->super_mask, display->meta_mask); } /* Original code from gdk_x11_keymap_get_entries_for_keyval() in * gdkkeys-x11.c */ static int get_keycodes_for_keysym (MetaDisplay *display, int keysym, int **keycodes) { GArray *retval; int n_keycodes; int keycode; retval = g_array_new (FALSE, FALSE, sizeof (int)); keycode = display->min_keycode; while (keycode <= display->max_keycode) { const KeySym *syms = display->keymap + (keycode - display->min_keycode) * display->keysyms_per_keycode; int i = 0; while (i < display->keysyms_per_keycode) { if (syms[i] == (unsigned int)keysym) g_array_append_val (retval, keycode); ++i; } ++keycode; } n_keycodes = retval->len; *keycodes = (int*) g_array_free (retval, n_keycodes == 0 ? TRUE : FALSE); return n_keycodes; } static void reload_iso_next_group_combos (MetaDisplay *display) { const char *iso_next_group_option; MetaKeyCombo *combos; int *keycodes; int n_keycodes; int n_combos; int i; g_clear_pointer (&display->iso_next_group_combos, g_free); display->n_iso_next_group_combos = 0; iso_next_group_option = meta_prefs_get_iso_next_group_option (); if (iso_next_group_option == NULL) return; n_keycodes = get_keycodes_for_keysym (display, XK_ISO_Next_Group, &keycodes); if (g_str_equal (iso_next_group_option, "toggle") || g_str_equal (iso_next_group_option, "lalt_toggle") || g_str_equal (iso_next_group_option, "lwin_toggle") || g_str_equal (iso_next_group_option, "rwin_toggle") || g_str_equal (iso_next_group_option, "lshift_toggle") || g_str_equal (iso_next_group_option, "rshift_toggle") || g_str_equal (iso_next_group_option, "lctrl_toggle") || g_str_equal (iso_next_group_option, "rctrl_toggle") || g_str_equal (iso_next_group_option, "sclk_toggle") || g_str_equal (iso_next_group_option, "menu_toggle") || g_str_equal (iso_next_group_option, "caps_toggle")) { n_combos = n_keycodes; combos = g_new (MetaKeyCombo, n_combos); for (i = 0; i < n_keycodes; ++i) { combos[i].keysym = XK_ISO_Next_Group; combos[i].keycode = keycodes[i]; combos[i].modifiers = 0; } } else if (g_str_equal (iso_next_group_option, "shift_caps_toggle") || g_str_equal (iso_next_group_option, "shifts_toggle")) { n_combos = n_keycodes; combos = g_new (MetaKeyCombo, n_combos); for (i = 0; i < n_keycodes; ++i) { combos[i].keysym = XK_ISO_Next_Group; combos[i].keycode = keycodes[i]; combos[i].modifiers = ShiftMask; } } else if (g_str_equal (iso_next_group_option, "alt_caps_toggle") || g_str_equal (iso_next_group_option, "alt_space_toggle")) { n_combos = n_keycodes; combos = g_new (MetaKeyCombo, n_combos); for (i = 0; i < n_keycodes; ++i) { combos[i].keysym = XK_ISO_Next_Group; combos[i].keycode = keycodes[i]; combos[i].modifiers = Mod1Mask; } } else if (g_str_equal (iso_next_group_option, "ctrl_shift_toggle") || g_str_equal (iso_next_group_option, "lctrl_lshift_toggle") || g_str_equal (iso_next_group_option, "rctrl_rshift_toggle")) { n_combos = n_keycodes * 2; combos = g_new (MetaKeyCombo, n_combos); for (i = 0; i < n_keycodes; ++i) { combos[i].keysym = XK_ISO_Next_Group; combos[i].keycode = keycodes[i]; combos[i].modifiers = ShiftMask; combos[i + n_keycodes].keysym = XK_ISO_Next_Group; combos[i + n_keycodes].keycode = keycodes[i]; combos[i + n_keycodes].modifiers = ControlMask; } } else if (g_str_equal (iso_next_group_option, "ctrl_alt_toggle")) { n_combos = n_keycodes * 2; combos = g_new (MetaKeyCombo, n_combos); for (i = 0; i < n_keycodes; ++i) { combos[i].keysym = XK_ISO_Next_Group; combos[i].keycode = keycodes[i]; combos[i].modifiers = Mod1Mask; combos[i + n_keycodes].keysym = XK_ISO_Next_Group; combos[i + n_keycodes].keycode = keycodes[i]; combos[i + n_keycodes].modifiers = ControlMask; } } else if (g_str_equal (iso_next_group_option, "alt_shift_toggle") || g_str_equal (iso_next_group_option, "lalt_lshift_toggle")) { n_combos = n_keycodes * 2; combos = g_new (MetaKeyCombo, n_combos); for (i = 0; i < n_keycodes; ++i) { combos[i].keysym = XK_ISO_Next_Group; combos[i].keycode = keycodes[i]; combos[i].modifiers = Mod1Mask; combos[i + n_keycodes].keysym = XK_ISO_Next_Group; combos[i + n_keycodes].keycode = keycodes[i]; combos[i + n_keycodes].modifiers = ShiftMask; } } else { n_combos = 0; combos = NULL; } g_free (keycodes); display->n_iso_next_group_combos = n_combos; display->iso_next_group_combos = combos; } static guint keysym_to_keycode (MetaDisplay *display, guint keysym) { if (keysym == META_KEY_ABOVE_TAB) return meta_display_get_above_tab_keycode (display); else return XKeysymToKeycode (display->xdisplay, keysym); } static void reload_keycodes (MetaDisplay *display) { meta_topic (META_DEBUG_KEYBINDINGS, "Reloading keycodes for binding tables\n"); if (display->overlay_key_combo.keysym != 0) { display->overlay_key_combo.keycode = keysym_to_keycode (display, display->overlay_key_combo.keysym); } else { display->overlay_key_combo.keycode = 0; } reload_iso_next_group_combos (display); if (display->key_bindings) { int i; i = 0; while (i < display->n_key_bindings) { if (display->key_bindings[i].keysym != 0) { display->key_bindings[i].keycode = keysym_to_keycode (display, display->key_bindings[i].keysym); } ++i; } } } static void reload_modifiers (MetaDisplay *display) { meta_topic (META_DEBUG_KEYBINDINGS, "Reloading keycodes for binding tables\n"); if (display->key_bindings) { int i; i = 0; while (i < display->n_key_bindings) { meta_display_devirtualize_modifiers (display, display->key_bindings[i].modifiers, &display->key_bindings[i].mask); meta_topic (META_DEBUG_KEYBINDINGS, " Devirtualized mods 0x%x -> 0x%x (%s)\n", display->key_bindings[i].modifiers, display->key_bindings[i].mask, display->key_bindings[i].name); ++i; } } } static int count_bindings (GList *prefs) { GList *p; int count; count = 0; p = prefs; while (p) { MetaKeyPref *pref = (MetaKeyPref*)p->data; GSList *tmp = pref->bindings; while (tmp) { MetaKeyCombo *combo = tmp->data; if (combo && (combo->keysym != None || combo->keycode != 0)) { count += 1; if (pref->add_shift && (combo->modifiers & META_VIRTUAL_SHIFT_MASK) == 0) count += 1; } tmp = tmp->next; } p = p->next; } return count; } static void rebuild_binding_table (MetaDisplay *display, MetaKeyBinding **bindings_p, int *n_bindings_p, GList *prefs, GList *grabs) { GList *p, *g; int n_bindings; int i; n_bindings = count_bindings (prefs) + g_list_length (grabs); g_free (*bindings_p); *bindings_p = g_new0 (MetaKeyBinding, n_bindings); i = 0; p = prefs; while (p) { MetaKeyPref *pref = (MetaKeyPref*)p->data; GSList *tmp = pref->bindings; while (tmp) { MetaKeyCombo *combo = tmp->data; if (combo && (combo->keysym != None || combo->keycode != 0)) { MetaKeyHandler *handler = HANDLER (pref->name); (*bindings_p)[i].name = pref->name; (*bindings_p)[i].handler = handler; (*bindings_p)[i].keysym = combo->keysym; (*bindings_p)[i].keycode = combo->keycode; (*bindings_p)[i].modifiers = combo->modifiers; (*bindings_p)[i].mask = 0; ++i; if (pref->add_shift && (combo->modifiers & META_VIRTUAL_SHIFT_MASK) == 0) { meta_topic (META_DEBUG_KEYBINDINGS, "Binding %s also needs Shift grabbed\n", pref->name); (*bindings_p)[i].name = pref->name; (*bindings_p)[i].handler = handler; (*bindings_p)[i].keysym = combo->keysym; (*bindings_p)[i].keycode = combo->keycode; (*bindings_p)[i].modifiers = combo->modifiers | META_VIRTUAL_SHIFT_MASK; (*bindings_p)[i].mask = 0; ++i; } } tmp = tmp->next; } p = p->next; } g = grabs; while (g) { MetaKeyGrab *grab = (MetaKeyGrab*)g->data; if (grab->combo && (grab->combo->keysym != None || grab->combo->keycode != 0)) { MetaKeyHandler *handler = HANDLER ("external-grab"); (*bindings_p)[i].name = grab->name; (*bindings_p)[i].handler = handler; (*bindings_p)[i].keysym = grab->combo->keysym; (*bindings_p)[i].keycode = grab->combo->keycode; (*bindings_p)[i].modifiers = grab->combo->modifiers; (*bindings_p)[i].mask = 0; ++i; } g = g->next; } g_assert (i == n_bindings); *n_bindings_p = i; meta_topic (META_DEBUG_KEYBINDINGS, " %d bindings in table\n", *n_bindings_p); } static void rebuild_key_binding_table (MetaDisplay *display) { GList *prefs, *grabs; meta_topic (META_DEBUG_KEYBINDINGS, "Rebuilding key binding table from preferences\n"); prefs = meta_prefs_get_keybindings (); grabs = g_hash_table_get_values (external_grabs); rebuild_binding_table (display, &display->key_bindings, &display->n_key_bindings, prefs, grabs); g_list_free (prefs); g_list_free (grabs); } static void rebuild_special_bindings (MetaDisplay *display) { MetaKeyCombo combo; meta_prefs_get_overlay_binding (&combo); display->overlay_key_combo = combo; } static void ungrab_key_bindings (MetaDisplay *display) { GSList *tmp; GSList *windows; meta_error_trap_push (display); /* for efficiency push outer trap */ tmp = display->screens; while (tmp != NULL) { MetaScreen *screen = tmp->data; meta_screen_ungrab_keys (screen); tmp = tmp->next; } windows = meta_display_list_windows (display, META_LIST_DEFAULT); tmp = windows; while (tmp != NULL) { MetaWindow *w = tmp->data; meta_window_ungrab_keys (w); tmp = tmp->next; } meta_error_trap_pop (display); g_slist_free (windows); } static void grab_key_bindings (MetaDisplay *display) { GSList *tmp; GSList *windows; meta_error_trap_push (display); /* for efficiency push outer trap */ tmp = display->screens; while (tmp != NULL) { MetaScreen *screen = tmp->data; meta_screen_grab_keys (screen); tmp = tmp->next; } windows = meta_display_list_windows (display, META_LIST_DEFAULT); tmp = windows; while (tmp != NULL) { MetaWindow *w = tmp->data; meta_window_grab_keys (w); tmp = tmp->next; } meta_error_trap_pop (display); g_slist_free (windows); } static MetaKeyBinding * display_get_keybinding (MetaDisplay *display, unsigned int keysym, unsigned int keycode, unsigned long mask) { int i; i = display->n_key_bindings - 1; while (i >= 0) { if (display->key_bindings[i].keysym == keysym && display->key_bindings[i].keycode == keycode && display->key_bindings[i].mask == mask) { return &display->key_bindings[i]; } --i; } return NULL; } static guint next_dynamic_keybinding_action () { static guint num_dynamic_bindings = 0; return META_KEYBINDING_ACTION_LAST + (++num_dynamic_bindings); } static gboolean add_keybinding_internal (MetaDisplay *display, const char *name, GSettings *settings, MetaKeyBindingFlags flags, MetaKeyBindingAction action, MetaKeyHandlerFunc func, int data, gpointer user_data, GDestroyNotify free_data) { MetaKeyHandler *handler; if (!meta_prefs_add_keybinding (name, settings, action, flags)) return FALSE; handler = g_new0 (MetaKeyHandler, 1); handler->name = g_strdup (name); handler->func = func; handler->default_func = func; handler->data = data; handler->flags = flags; handler->user_data = user_data; handler->user_data_free_func = free_data; g_hash_table_insert (key_handlers, g_strdup (name), handler); return TRUE; } static gboolean add_builtin_keybinding (MetaDisplay *display, const char *name, GSettings *settings, MetaKeyBindingFlags flags, MetaKeyBindingAction action, MetaKeyHandlerFunc handler, int handler_arg) { return add_keybinding_internal (display, name, settings, flags | META_KEY_BINDING_BUILTIN, action, handler, handler_arg, NULL, NULL); } /** * meta_display_add_keybinding: * @display: a #MetaDisplay * @name: the binding's name * @settings: the #GSettings object where @name is stored * @flags: flags to specify binding details * @handler: function to run when the keybinding is invoked * @user_data: the data to pass to @handler * @free_data: function to free @user_data * * Add a keybinding at runtime. The key @name in @schema needs to be of * type %G_VARIANT_TYPE_STRING_ARRAY, with each string describing a * keybinding in the form of "<Control>a" or "<Shift><Alt>F1". The parser * is fairly liberal and allows lower or upper case, and also abbreviations * such as "<Ctl>" and "<Ctrl>". If the key is set to the empty list or a * list with a single element of either "" or "disabled", the keybinding is * disabled. * If %META_KEY_BINDING_REVERSES is specified in @flags, the binding * may be reversed by holding down the "shift" key; therefore, "<Shift>" * cannot be one of the keys used. @handler is expected to check for the * "shift" modifier in this case and reverse its action. * * Use meta_display_remove_keybinding() to remove the binding. * * Returns: the corresponding keybinding action if the keybinding was * added successfully, otherwise %META_KEYBINDING_ACTION_NONE */ guint meta_display_add_keybinding (MetaDisplay *display, const char *name, GSettings *settings, MetaKeyBindingFlags flags, MetaKeyHandlerFunc handler, gpointer user_data, GDestroyNotify free_data) { guint new_action = next_dynamic_keybinding_action (); if (!add_keybinding_internal (display, name, settings, flags, new_action, handler, 0, user_data, free_data)) return META_KEYBINDING_ACTION_NONE; return new_action; } /** * meta_display_remove_keybinding: * @display: the #MetaDisplay * @name: name of the keybinding to remove * * Remove keybinding @name; the function will fail if @name is not a known * keybinding or has not been added with meta_display_add_keybinding(). * * Returns: %TRUE if the binding has been removed sucessfully, * otherwise %FALSE */ gboolean meta_display_remove_keybinding (MetaDisplay *display, const char *name) { if (!meta_prefs_remove_keybinding (name)) return FALSE; g_hash_table_remove (key_handlers, name); return TRUE; } /** * meta_display_get_keybinding_action: * @display: A #MetaDisplay * @keycode: Raw keycode * @mask: Event mask * * Get the keybinding action bound to @keycode. Builtin keybindings * have a fixed associated #MetaKeyBindingAction, for bindings added * dynamically the function will return the keybinding action * meta_display_add_keybinding() returns on registration. * * Returns: The action that should be taken for the given key, or * %META_KEYBINDING_ACTION_NONE. */ guint meta_display_get_keybinding_action (MetaDisplay *display, unsigned int keycode, unsigned long mask) { MetaKeyBinding *binding; KeySym keysym; /* This is much more vague than the MetaDisplay::overlay-key signal, * which is only emitted if the overlay-key is the only key pressed; * as this method is primarily intended for plugins to allow processing * of mutter keybindings while holding a grab, the overlay-key-only-pressed * tracking is left to the plugin here. */ if (keycode == (unsigned int)display->overlay_key_combo.keycode) return META_KEYBINDING_ACTION_OVERLAY_KEY; keysym = XKeycodeToKeysym (display->xdisplay, keycode, 0); mask = mask & 0xff & ~display->ignored_modifier_mask; binding = display_get_keybinding (display, keysym, keycode, mask); if (!binding && keycode == meta_display_get_above_tab_keycode (display)) binding = display_get_keybinding (display, META_KEY_ABOVE_TAB, keycode, mask); if (binding) { MetaKeyGrab *grab = g_hash_table_lookup (external_grabs, binding->name); if (grab) return grab->action; else return (guint) meta_prefs_get_keybinding_action (binding->name); } else { return META_KEYBINDING_ACTION_NONE; } } void meta_display_process_mapping_event (MetaDisplay *display, XEvent *event) { gboolean keymap_changed = FALSE; gboolean modmap_changed = FALSE; #ifdef HAVE_XKB if (event->type == display->xkb_base_event_type) { meta_topic (META_DEBUG_KEYBINDINGS, "XKB mapping changed, will redo keybindings\n"); keymap_changed = TRUE; modmap_changed = TRUE; } else #endif if (event->xmapping.request == MappingModifier) { meta_topic (META_DEBUG_KEYBINDINGS, "Received MappingModifier event, will reload modmap and redo keybindings\n"); modmap_changed = TRUE; } else if (event->xmapping.request == MappingKeyboard) { meta_topic (META_DEBUG_KEYBINDINGS, "Received MappingKeyboard event, will reload keycodes and redo keybindings\n"); keymap_changed = TRUE; } /* Now to do the work itself */ if (keymap_changed || modmap_changed) { ungrab_key_bindings (display); if (keymap_changed) reload_keymap (display); /* Deciphering the modmap depends on the loaded keysyms to find out * what modifiers is Super and so forth, so we need to reload it * even when only the keymap changes */ reload_modmap (display); if (keymap_changed) reload_keycodes (display); reload_modifiers (display); grab_key_bindings (display); } } static void bindings_changed_callback (MetaPreference pref, void *data) { MetaDisplay *display; display = data; switch (pref) { case META_PREF_KEYBINDINGS: ungrab_key_bindings (display); rebuild_key_binding_table (display); rebuild_special_bindings (display); reload_keycodes (display); reload_modifiers (display); grab_key_bindings (display); break; default: break; } } void meta_display_shutdown_keys (MetaDisplay *display) { /* Note that display->xdisplay is invalid in this function */ meta_prefs_remove_listener (bindings_changed_callback, display); if (display->keymap) meta_XFree (display->keymap); if (display->modmap) XFreeModifiermap (display->modmap); g_free (display->key_bindings); } static const char* keysym_name (int keysym) { const char *name; name = XKeysymToString (keysym); if (name == NULL) name = "(unknown)"; return name; } /* Grab/ungrab, ignoring all annoying modifiers like NumLock etc. */ static void meta_change_keygrab (MetaDisplay *display, Window xwindow, gboolean grab, int keysym, unsigned int keycode, int modmask) { unsigned int ignored_mask; unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 }; XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits }; XISetMask (mask.mask, XI_KeyPress); XISetMask (mask.mask, XI_KeyRelease); /* Grab keycode/modmask, together with * all combinations of ignored modifiers. * X provides no better way to do this. */ meta_topic (META_DEBUG_KEYBINDINGS, "%s keybinding %s keycode %d mask 0x%x on 0x%lx\n", grab ? "Grabbing" : "Ungrabbing", keysym_name (keysym), keycode, modmask, xwindow); /* efficiency, avoid so many XSync() */ meta_error_trap_push (display); ignored_mask = 0; while (ignored_mask <= display->ignored_modifier_mask) { XIGrabModifiers mods; if (ignored_mask & ~(display->ignored_modifier_mask)) { /* Not a combination of ignored modifiers * (it contains some non-ignored modifiers) */ ++ignored_mask; continue; } mods = (XIGrabModifiers) { modmask | ignored_mask, 0 }; if (meta_is_debugging ()) meta_error_trap_push_with_return (display); if (grab) XIGrabKeycode (display->xdisplay, META_VIRTUAL_CORE_KEYBOARD_ID, keycode, xwindow, XIGrabModeSync, XIGrabModeAsync, False, &mask, 1, &mods); else XIUngrabKeycode (display->xdisplay, META_VIRTUAL_CORE_KEYBOARD_ID, keycode, xwindow, 1, &mods); if (meta_is_debugging ()) { int result; result = meta_error_trap_pop_with_return (display); if (grab && result != Success) { if (result == BadAccess) meta_warning ("Some other program is already using the key %s with modifiers %x as a binding\n", keysym_name (keysym), modmask | ignored_mask); else meta_topic (META_DEBUG_KEYBINDINGS, "Failed to grab key %s with modifiers %x\n", keysym_name (keysym), modmask | ignored_mask); } } ++ignored_mask; } meta_error_trap_pop (display); } static void change_binding_keygrabs (MetaKeyBinding *bindings, int n_bindings, MetaDisplay *display, Window xwindow, gboolean binding_per_window, gboolean grab) { int i; g_assert (n_bindings == 0 || bindings != NULL); meta_error_trap_push (display); i = 0; while (i < n_bindings) { if (!!binding_per_window == !!(bindings[i].handler->flags & META_KEY_BINDING_PER_WINDOW) && bindings[i].keycode != 0) { meta_change_keygrab (display, xwindow, grab, bindings[i].keysym, bindings[i].keycode, bindings[i].mask); } ++i; } meta_error_trap_pop (display); } static void meta_screen_change_keygrabs (MetaScreen *screen, gboolean grab) { MetaDisplay *display = screen->display; if (display->overlay_key_combo.keycode != 0) meta_change_keygrab (display, screen->xroot, grab, display->overlay_key_combo.keysym, display->overlay_key_combo.keycode, display->overlay_key_combo.modifiers); if (display->iso_next_group_combos) { int i = 0; while (i < display->n_iso_next_group_combos) { if (display->iso_next_group_combos[i].keycode != 0) { meta_change_keygrab (display, screen->xroot, grab, display->iso_next_group_combos[i].keysym, display->iso_next_group_combos[i].keycode, display->iso_next_group_combos[i].modifiers); } ++i; } } change_binding_keygrabs (screen->display->key_bindings, screen->display->n_key_bindings, screen->display, screen->xroot, FALSE, grab); } void meta_screen_grab_keys (MetaScreen *screen) { if (screen->all_keys_grabbed) return; if (screen->keys_grabbed) return; meta_screen_change_keygrabs (screen, TRUE); screen->keys_grabbed = TRUE; } void meta_screen_ungrab_keys (MetaScreen *screen) { if (!screen->keys_grabbed) return; meta_screen_change_keygrabs (screen, FALSE); screen->keys_grabbed = FALSE; } static void meta_window_change_keygrabs (MetaWindow *window, Window xwindow, gboolean grab) { change_binding_keygrabs (window->display->key_bindings, window->display->n_key_bindings, window->display, xwindow, TRUE, grab); } void meta_window_grab_keys (MetaWindow *window) { if (window->all_keys_grabbed) return; if (window->type == META_WINDOW_DOCK || window->override_redirect) { if (window->keys_grabbed) meta_window_change_keygrabs (window, window->xwindow, FALSE); window->keys_grabbed = FALSE; return; } if (window->keys_grabbed) { if (window->frame && !window->grab_on_frame) meta_window_change_keygrabs (window, window->xwindow, FALSE); else if (window->frame == NULL && window->grab_on_frame) ; /* continue to regrab on client window */ else return; /* already all good */ } meta_window_change_keygrabs (window, window->frame ? window->frame->xwindow : window->xwindow, TRUE); window->keys_grabbed = TRUE; window->grab_on_frame = window->frame != NULL; } void meta_window_ungrab_keys (MetaWindow *window) { if (window->keys_grabbed) { if (window->grab_on_frame && window->frame != NULL) meta_window_change_keygrabs (window, window->frame->xwindow, FALSE); else if (!window->grab_on_frame) meta_window_change_keygrabs (window, window->xwindow, FALSE); window->keys_grabbed = FALSE; } } static void handle_external_grab (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer user_data) { guint action = meta_display_get_keybinding_action (display, binding->keycode, binding->mask); meta_display_accelerator_activate (display, action, event->deviceid, event->time); } guint meta_display_grab_accelerator (MetaDisplay *display, const char *accelerator) { MetaKeyGrab *grab; guint keysym = 0; guint keycode = 0; guint mask = 0; MetaVirtualModifier modifiers = 0; GSList *l; int i; if (!meta_ui_parse_accelerator (accelerator, &keysym, &keycode, &modifiers)) { meta_topic (META_DEBUG_KEYBINDINGS, "Failed to parse accelerator\n"); meta_warning ("\"%s\" is not a valid accelerator\n", accelerator); return META_KEYBINDING_ACTION_NONE; } meta_display_devirtualize_modifiers (display, modifiers, &mask); keycode = keysym_to_keycode (display, keysym); if (keycode == 0) return META_KEYBINDING_ACTION_NONE; for (i = 0; i < display->n_key_bindings; i++) if (display->key_bindings[i].keycode == keycode && display->key_bindings[i].mask == mask) return META_KEYBINDING_ACTION_NONE; for (l = display->screens; l; l = l->next) { MetaScreen *screen = l->data; meta_change_keygrab (display, screen->xroot, TRUE, keysym, keycode, mask); } grab = g_new0 (MetaKeyGrab, 1); grab->action = next_dynamic_keybinding_action (); grab->name = meta_external_binding_name_for_action (grab->action); grab->combo = g_malloc0 (sizeof (MetaKeyCombo)); grab->combo->keysym = keysym; grab->combo->keycode = keycode; grab->combo->modifiers = modifiers; g_hash_table_insert (external_grabs, grab->name, grab); display->n_key_bindings++; display->key_bindings = g_renew (MetaKeyBinding, display->key_bindings, display->n_key_bindings); MetaKeyBinding *binding = &display->key_bindings[display->n_key_bindings - 1]; binding->name = grab->name; binding->handler = HANDLER ("external-grab"); binding->keysym = grab->combo->keysym; binding->keycode = grab->combo->keycode; binding->modifiers = grab->combo->modifiers; binding->mask = mask; return grab->action; } gboolean meta_display_ungrab_accelerator (MetaDisplay *display, guint action) { MetaKeyGrab *grab; char *key; int i; g_return_val_if_fail (action != META_KEYBINDING_ACTION_NONE, FALSE); key = meta_external_binding_name_for_action (action); grab = g_hash_table_lookup (external_grabs, key); if (!grab) return FALSE; for (i = 0; i < display->n_key_bindings; i++) if (display->key_bindings[i].keysym == grab->combo->keysym && display->key_bindings[i].keycode == grab->combo->keycode && display->key_bindings[i].modifiers == grab->combo->modifiers) { GSList *l; for (l = display->screens; l; l = l->next) { MetaScreen *screen = l->data; meta_change_keygrab (display, screen->xroot, FALSE, display->key_bindings[i].keysym, display->key_bindings[i].keycode, display->key_bindings[i].mask); } display->key_bindings[i].keysym = 0; display->key_bindings[i].keycode = 0; display->key_bindings[i].modifiers = 0; display->key_bindings[i].mask = 0; break; } g_hash_table_remove (external_grabs, key); g_free (key); return TRUE; } #ifdef WITH_VERBOSE_MODE static const char* grab_status_to_string (int status) { switch (status) { case AlreadyGrabbed: return "AlreadyGrabbed"; case GrabSuccess: return "GrabSuccess"; case GrabNotViewable: return "GrabNotViewable"; case GrabFrozen: return "GrabFrozen"; case GrabInvalidTime: return "GrabInvalidTime"; default: return "(unknown)"; } } #endif /* WITH_VERBOSE_MODE */ static gboolean grab_keyboard (MetaDisplay *display, Window xwindow, guint32 timestamp, int grab_mode) { int result; int grab_status; unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 }; XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits }; XISetMask (mask.mask, XI_KeyPress); XISetMask (mask.mask, XI_KeyRelease); /* Grab the keyboard, so we get key releases and all key * presses */ meta_error_trap_push_with_return (display); /* Strictly, we only need to set grab_mode on the keyboard device * while the pointer should always be XIGrabModeAsync. Unfortunately * there is a bug in the X server, only fixed (link below) in 1.15, * which swaps these arguments for keyboard devices. As such, we set * both the device and the paired device mode which works around * that bug and also works on fixed X servers. * * http://cgit.freedesktop.org/xorg/xserver/commit/?id=9003399708936481083424b4ff8f18a16b88b7b3 */ grab_status = XIGrabDevice (display->xdisplay, META_VIRTUAL_CORE_KEYBOARD_ID, xwindow, timestamp, None, grab_mode, grab_mode, False, /* owner_events */ &mask); if (grab_status != Success) { meta_error_trap_pop_with_return (display); meta_topic (META_DEBUG_KEYBINDINGS, "XIGrabDevice() returned failure status %s time %u\n", grab_status_to_string (grab_status), timestamp); return FALSE; } else { result = meta_error_trap_pop_with_return (display); if (result != Success) { meta_topic (META_DEBUG_KEYBINDINGS, "XIGrabDevice() resulted in an error\n"); return FALSE; } } meta_topic (META_DEBUG_KEYBINDINGS, "Grabbed all keys\n"); return TRUE; } static void ungrab_keyboard (MetaDisplay *display, guint32 timestamp) { meta_error_trap_push (display); meta_topic (META_DEBUG_KEYBINDINGS, "Ungrabbing keyboard with timestamp %u\n", timestamp); XIUngrabDevice (display->xdisplay, META_VIRTUAL_CORE_KEYBOARD_ID, timestamp); meta_error_trap_pop (display); } gboolean meta_screen_grab_all_keys (MetaScreen *screen, guint32 timestamp) { gboolean retval; if (screen->all_keys_grabbed) return FALSE; if (screen->keys_grabbed) meta_screen_ungrab_keys (screen); meta_topic (META_DEBUG_KEYBINDINGS, "Grabbing all keys on RootWindow\n"); retval = grab_keyboard (screen->display, screen->xroot, timestamp, XIGrabModeAsync); if (retval) { screen->all_keys_grabbed = TRUE; g_object_notify (G_OBJECT (screen), "keyboard-grabbed"); } else meta_screen_grab_keys (screen); return retval; } void meta_screen_ungrab_all_keys (MetaScreen *screen, guint32 timestamp) { if (screen->all_keys_grabbed) { ungrab_keyboard (screen->display, timestamp); screen->all_keys_grabbed = FALSE; screen->keys_grabbed = FALSE; /* Re-establish our standard bindings */ meta_screen_grab_keys (screen); g_object_notify (G_OBJECT (screen), "keyboard-grabbed"); } } gboolean meta_window_grab_all_keys (MetaWindow *window, guint32 timestamp) { Window grabwindow; gboolean retval; if (window->all_keys_grabbed) return FALSE; if (window->keys_grabbed) meta_window_ungrab_keys (window); /* Make sure the window is focused, otherwise the grab * won't do a lot of good. */ meta_topic (META_DEBUG_FOCUS, "Focusing %s because we're grabbing all its keys\n", window->desc); meta_window_focus (window, timestamp); grabwindow = window->frame ? window->frame->xwindow : window->xwindow; meta_topic (META_DEBUG_KEYBINDINGS, "Grabbing all keys on window %s\n", window->desc); retval = grab_keyboard (window->display, grabwindow, timestamp, XIGrabModeAsync); if (retval) { window->keys_grabbed = FALSE; window->all_keys_grabbed = TRUE; window->grab_on_frame = window->frame != NULL; } return retval; } void meta_window_ungrab_all_keys (MetaWindow *window, guint32 timestamp) { if (window->all_keys_grabbed) { ungrab_keyboard (window->display, timestamp); window->grab_on_frame = FALSE; window->all_keys_grabbed = FALSE; window->keys_grabbed = FALSE; /* Re-establish our standard bindings */ meta_window_grab_keys (window); } } void meta_display_freeze_keyboard (MetaDisplay *display, Window window, guint32 timestamp) { grab_keyboard (display, window, timestamp, XIGrabModeSync); } void meta_display_ungrab_keyboard (MetaDisplay *display, guint32 timestamp) { ungrab_keyboard (display, timestamp); } void meta_display_unfreeze_keyboard (MetaDisplay *display, guint32 timestamp) { meta_error_trap_push (display); XIAllowEvents (display->xdisplay, META_VIRTUAL_CORE_KEYBOARD_ID, XIAsyncDevice, timestamp); /* We shouldn't need to unfreeze the pointer device here, however we * have to, due to the workaround we do in grab_keyboard(). */ XIAllowEvents (display->xdisplay, META_VIRTUAL_CORE_POINTER_ID, XIAsyncDevice, timestamp); meta_error_trap_pop (display); } static gboolean is_modifier (MetaDisplay *display, unsigned int keycode) { int i; int map_size; gboolean retval = FALSE; g_assert (display->modmap); map_size = 8 * display->modmap->max_keypermod; i = 0; while (i < map_size) { if (keycode == display->modmap->modifiermap[i]) { retval = TRUE; break; } ++i; } return retval; } /* Indexes: * shift = 0 * lock = 1 * control = 2 * mod1 = 3 * mod2 = 4 * mod3 = 5 * mod4 = 6 * mod5 = 7 */ static gboolean is_specific_modifier (MetaDisplay *display, unsigned int keycode, unsigned int mask) { int i; int end; gboolean retval = FALSE; int mod_index; g_assert (display->modmap); meta_topic (META_DEBUG_KEYBINDINGS, "Checking whether code 0x%x is bound to modifier 0x%x\n", keycode, mask); mod_index = 0; mask = mask >> 1; while (mask != 0) { mod_index += 1; mask = mask >> 1; } meta_topic (META_DEBUG_KEYBINDINGS, "Modifier has index %d\n", mod_index); end = (mod_index + 1) * display->modmap->max_keypermod; i = mod_index * display->modmap->max_keypermod; while (i < end) { if (keycode == display->modmap->modifiermap[i]) { retval = TRUE; break; } ++i; } return retval; } static unsigned int get_primary_modifier (MetaDisplay *display, unsigned int entire_binding_mask) { /* The idea here is to see if the "main" modifier * for Alt+Tab has been pressed/released. So if the binding * is Alt+Shift+Tab then releasing Alt is the thing that * ends the operation. It's pretty random how we order * these. */ unsigned int masks[] = { Mod5Mask, Mod4Mask, Mod3Mask, Mod2Mask, Mod1Mask, ControlMask, ShiftMask, LockMask }; int i; i = 0; while (i < (int) G_N_ELEMENTS (masks)) { if (entire_binding_mask & masks[i]) return masks[i]; ++i; } return 0; } static gboolean keycode_is_primary_modifier (MetaDisplay *display, unsigned int keycode, unsigned int entire_binding_mask) { unsigned int primary_modifier; meta_topic (META_DEBUG_KEYBINDINGS, "Checking whether code 0x%x is the primary modifier of mask 0x%x\n", keycode, entire_binding_mask); primary_modifier = get_primary_modifier (display, entire_binding_mask); if (primary_modifier != 0) return is_specific_modifier (display, keycode, primary_modifier); else return FALSE; } static gboolean primary_modifier_still_pressed (MetaDisplay *display, unsigned int entire_binding_mask) { unsigned int primary_modifier; double x, y, root_x, root_y; Window root, child; XIButtonState buttons; XIModifierState mods; XIGroupState group; MetaScreen *random_screen; Window random_xwindow; primary_modifier = get_primary_modifier (display, entire_binding_mask); random_screen = display->screens->data; random_xwindow = random_screen->no_focus_window; XIQueryPointer (display->xdisplay, META_VIRTUAL_CORE_POINTER_ID, random_xwindow, /* some random window */ &root, &child, &root_x, &root_y, &x, &y, &buttons, &mods, &group); free (buttons.mask); meta_topic (META_DEBUG_KEYBINDINGS, "Primary modifier 0x%x full grab mask 0x%x current state 0x%x\n", primary_modifier, entire_binding_mask, mods.effective); if ((mods.effective & primary_modifier) == 0) return FALSE; else return TRUE; } static void invoke_handler (MetaDisplay *display, MetaScreen *screen, MetaKeyHandler *handler, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding) { if (handler->func) (* handler->func) (display, screen, handler->flags & META_KEY_BINDING_PER_WINDOW ? window : NULL, event, binding, handler->user_data); else (* handler->default_func) (display, screen, handler->flags & META_KEY_BINDING_PER_WINDOW ? window: NULL, event, binding, NULL); } static void invoke_handler_by_name (MetaDisplay *display, MetaScreen *screen, const char *handler_name, MetaWindow *window, XIDeviceEvent *event) { MetaKeyHandler *handler; handler = HANDLER (handler_name); if (handler) invoke_handler (display, screen, handler, window, event, NULL); } /* now called from only one place, may be worth merging */ static gboolean process_event (MetaKeyBinding *bindings, int n_bindings, MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, KeySym keysym, gboolean on_window) { int i; /* we used to have release-based bindings but no longer. */ if (event->evtype == XI_KeyRelease) return FALSE; /* * TODO: This would be better done with a hash table; * it doesn't suit to use O(n) for such a common operation. */ for (i=0; iflags & META_KEY_BINDING_PER_WINDOW) || event->evtype != XI_KeyPress || bindings[i].keycode != event->detail || ((event->mods.effective & 0xff & ~(display->ignored_modifier_mask)) != bindings[i].mask) || meta_compositor_filter_keybinding (display->compositor, screen, &bindings[i])) continue; /* * window must be non-NULL for on_window to be true, * and so also window must be non-NULL if we get here and * this is a META_KEY_BINDING_PER_WINDOW binding. */ meta_topic (META_DEBUG_KEYBINDINGS, "Binding keycode 0x%x mask 0x%x matches event 0x%x state 0x%x\n", bindings[i].keycode, bindings[i].mask, event->detail, event->mods.effective); if (handler == NULL) meta_bug ("Binding %s has no handler\n", bindings[i].name); else meta_topic (META_DEBUG_KEYBINDINGS, "Running handler for %s\n", bindings[i].name); /* Global keybindings count as a let-the-terminal-lose-focus * due to new window mapping until the user starts * interacting with the terminal again. */ display->allow_terminal_deactivation = TRUE; invoke_handler (display, screen, handler, window, event, &bindings[i]); return TRUE; } meta_topic (META_DEBUG_KEYBINDINGS, "No handler found for this event in this binding table\n"); return FALSE; } static gboolean process_overlay_key (MetaDisplay *display, MetaScreen *screen, XIDeviceEvent *event, KeySym keysym) { if (display->overlay_key_only_pressed) { if (event->detail != (int)display->overlay_key_combo.keycode) { display->overlay_key_only_pressed = FALSE; /* OK, the user hit modifier+key rather than pressing and * releasing the ovelay key. We want to handle the key * sequence "normally". Unfortunately, using * XAllowEvents(..., ReplayKeyboard, ...) doesn't quite * work, since global keybindings won't be activated ("this * time, however, the function ignores any passive grabs at * above (toward the root of) the grab_window of the grab * just released.") So, we first explicitly check for one of * our global keybindings, and if not found, we then replay * the event. Other clients with global grabs will be out of * luck. */ if (process_event (display->key_bindings, display->n_key_bindings, display, screen, NULL, event, keysym, FALSE)) { /* As normally, after we've handled a global key * binding, we unfreeze the keyboard but keep the grab * (this is important for something like cycling * windows */ XIAllowEvents (display->xdisplay, event->deviceid, XIAsyncDevice, event->time); } else { /* Replay the event so it gets delivered to our * per-window key bindings or to the application */ XIAllowEvents (display->xdisplay, event->deviceid, XIReplayDevice, event->time); } } else if (event->evtype == XI_KeyRelease) { MetaKeyBinding *binding; display->overlay_key_only_pressed = FALSE; /* We want to unfreeze events, but keep the grab so that if the user * starts typing into the overlay we get all the keys */ XIAllowEvents (display->xdisplay, event->deviceid, XIAsyncDevice, event->time); binding = display_get_keybinding (display, display->overlay_key_combo.keysym, display->overlay_key_combo.keycode, display->grab_mask); if (binding && meta_compositor_filter_keybinding (display->compositor, screen, binding)) return TRUE; meta_display_overlay_key_activate (display); } else { /* In some rare race condition, mutter might not receive the Super_L * KeyRelease event because: * - the compositor might end the modal mode and call XIUngrabDevice * while the key is still down * - passive grabs are only activated on KeyPress and not KeyRelease. * * In this case, display->overlay_key_only_pressed might be wrong. * Mutter still ought to acknowledge events, otherwise the X server * will not send the next events. * * https://bugzilla.gnome.org/show_bug.cgi?id=666101 */ XIAllowEvents (display->xdisplay, event->deviceid, XIAsyncDevice, event->time); } return TRUE; } else if (event->evtype == XI_KeyPress && event->detail == (int)display->overlay_key_combo.keycode) { display->overlay_key_only_pressed = TRUE; /* We keep the keyboard frozen - this allows us to use ReplayKeyboard * on the next event if it's not the release of the overlay key */ XIAllowEvents (display->xdisplay, event->deviceid, XISyncDevice, event->time); return TRUE; } else return FALSE; } static gboolean process_iso_next_group (MetaDisplay *display, MetaScreen *screen, XIDeviceEvent *event, KeySym keysym) { gboolean activate; unsigned int mods; int i; if (event->evtype != XI_KeyPress) return FALSE; activate = FALSE; mods = (event->mods.effective & 0xff & ~(display->ignored_modifier_mask)); for (i = 0; i < display->n_iso_next_group_combos; ++i) { if (event->detail == (int)display->iso_next_group_combos[i].keycode && mods == display->iso_next_group_combos[i].modifiers) { /* If the signal handler returns TRUE the keyboard will remain frozen. It's the signal handler's responsibility to unfreeze it. */ if (!meta_display_modifiers_accelerator_activate (display)) XIAllowEvents (display->xdisplay, event->deviceid, XIAsyncDevice, event->time); activate = TRUE; break; } } return activate; } /* Handle a key event. May be called recursively: some key events cause * grabs to be ended and then need to be processed again in their own * right. This cannot cause infinite recursion because we never call * ourselves when there wasn't a grab, and we always clear the grab * first; the invariant is enforced using an assertion. See #112560. * * The return value is whether we handled the key event. * * FIXME: We need to prove there are no race conditions here. * FIXME: Does it correctly handle alt-Tab being followed by another * grabbing keypress without letting go of alt? * FIXME: An iterative solution would probably be simpler to understand * (and help us solve the other fixmes). */ gboolean meta_display_process_key_event (MetaDisplay *display, MetaWindow *window, XIDeviceEvent *event) { KeySym keysym; gboolean keep_grab; gboolean all_keys_grabbed; gboolean handled; const char *str; MetaScreen *screen; /* if key event was on root window, we have a shortcut */ screen = meta_display_screen_for_root (display, event->event); /* else round-trip to server */ if (screen == NULL) screen = meta_display_screen_for_xwindow (display, event->event); if (screen == NULL) return FALSE; /* event window is destroyed */ /* ignore key events on popup menus and such. */ if (meta_ui_window_is_widget (screen->ui, event->event)) return FALSE; /* window may be NULL */ keysym = XKeycodeToKeysym (display->xdisplay, event->detail, 0); str = XKeysymToString (keysym); /* was topic */ meta_topic (META_DEBUG_KEYBINDINGS, "Processing key %s event, keysym: %s state: 0x%x window: %s\n", event->evtype == XI_KeyPress ? "press" : "release", str ? str : "none", event->mods.effective, window ? window->desc : "(no window)"); all_keys_grabbed = window ? window->all_keys_grabbed : screen->all_keys_grabbed; if (!all_keys_grabbed) { handled = process_overlay_key (display, screen, event, keysym); if (handled) return TRUE; handled = process_iso_next_group (display, screen, event, keysym); if (handled) return TRUE; } XIAllowEvents (display->xdisplay, event->deviceid, XIAsyncDevice, event->time); keep_grab = TRUE; if (all_keys_grabbed) { if (display->grab_op == META_GRAB_OP_NONE) return TRUE; /* If we get here we have a global grab, because * we're in some special keyboard mode such as window move * mode. */ if (window ? (window == display->grab_window) : (screen == display->grab_screen)) { switch (display->grab_op) { case META_GRAB_OP_MOVING: case META_GRAB_OP_RESIZING_SE: case META_GRAB_OP_RESIZING_S: case META_GRAB_OP_RESIZING_SW: case META_GRAB_OP_RESIZING_N: case META_GRAB_OP_RESIZING_NE: case META_GRAB_OP_RESIZING_NW: case META_GRAB_OP_RESIZING_W: case META_GRAB_OP_RESIZING_E: meta_topic (META_DEBUG_KEYBINDINGS, "Processing event for mouse-only move/resize\n"); g_assert (window != NULL); keep_grab = process_mouse_move_resize_grab (display, screen, window, event, keysym); break; case META_GRAB_OP_KEYBOARD_MOVING: meta_topic (META_DEBUG_KEYBINDINGS, "Processing event for keyboard move\n"); g_assert (window != NULL); keep_grab = process_keyboard_move_grab (display, screen, window, event, keysym); break; case META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN: case META_GRAB_OP_KEYBOARD_RESIZING_S: case META_GRAB_OP_KEYBOARD_RESIZING_N: case META_GRAB_OP_KEYBOARD_RESIZING_W: case META_GRAB_OP_KEYBOARD_RESIZING_E: case META_GRAB_OP_KEYBOARD_RESIZING_SE: case META_GRAB_OP_KEYBOARD_RESIZING_NE: case META_GRAB_OP_KEYBOARD_RESIZING_SW: case META_GRAB_OP_KEYBOARD_RESIZING_NW: meta_topic (META_DEBUG_KEYBINDINGS, "Processing event for keyboard resize\n"); g_assert (window != NULL); keep_grab = process_keyboard_resize_grab (display, screen, window, event, keysym); break; case META_GRAB_OP_KEYBOARD_TABBING_NORMAL: case META_GRAB_OP_KEYBOARD_TABBING_DOCK: case META_GRAB_OP_KEYBOARD_TABBING_GROUP: case META_GRAB_OP_KEYBOARD_ESCAPING_NORMAL: case META_GRAB_OP_KEYBOARD_ESCAPING_DOCK: case META_GRAB_OP_KEYBOARD_ESCAPING_GROUP: meta_topic (META_DEBUG_KEYBINDINGS, "Processing event for keyboard tabbing/cycling\n"); keep_grab = process_tab_grab (display, screen, event, keysym); break; case META_GRAB_OP_KEYBOARD_WORKSPACE_SWITCHING: meta_topic (META_DEBUG_KEYBINDINGS, "Processing event for keyboard workspace switching\n"); keep_grab = process_workspace_switch_grab (display, screen, event, keysym); break; default: break; } } if (!keep_grab) { meta_topic (META_DEBUG_KEYBINDINGS, "Ending grab op %u on key event sym %s\n", display->grab_op, XKeysymToString (keysym)); meta_display_end_grab_op (display, event->time); } return TRUE; } /* Do the normal keybindings */ return process_event (display->key_bindings, display->n_key_bindings, display, screen, window, event, keysym, !all_keys_grabbed && window); } static gboolean process_mouse_move_resize_grab (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, KeySym keysym) { /* don't care about releases, but eat them, don't end grab */ if (event->evtype == XI_KeyRelease) return TRUE; if (keysym == XK_Escape) { /* Hide the tiling preview if necessary */ if (window->tile_mode != META_TILE_NONE) meta_screen_tile_preview_hide (screen); /* Restore the original tile mode */ window->tile_mode = display->grab_tile_mode; window->tile_monitor_number = display->grab_tile_monitor_number; /* End move or resize and restore to original state. If the * window was a maximized window that had been "shaken loose" we * need to remaximize it. In normal cases, we need to do a * moveresize now to get the position back to the original. */ if (window->shaken_loose || window->tile_mode == META_TILE_MAXIMIZED) meta_window_maximize (window, META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL); else if (window->tile_mode != META_TILE_NONE) meta_window_tile (window); else meta_window_move_resize (display->grab_window, TRUE, display->grab_initial_window_pos.x, display->grab_initial_window_pos.y, display->grab_initial_window_pos.width, display->grab_initial_window_pos.height); /* End grab */ return FALSE; } return TRUE; } static gboolean process_keyboard_move_grab (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, KeySym keysym) { gboolean handled; int x, y; int incr; gboolean smart_snap; handled = FALSE; /* don't care about releases, but eat them, don't end grab */ if (event->evtype == XI_KeyRelease) return TRUE; /* don't end grab on modifier key presses */ if (is_modifier (display, event->detail)) return TRUE; meta_window_get_position (window, &x, &y); smart_snap = (event->mods.effective & ShiftMask) != 0; #define SMALL_INCREMENT 1 #define NORMAL_INCREMENT 10 if (smart_snap) incr = 1; else if (event->mods.effective & ControlMask) incr = SMALL_INCREMENT; else incr = NORMAL_INCREMENT; if (keysym == XK_Escape) { /* End move and restore to original state. If the window was a * maximized window that had been "shaken loose" we need to * remaximize it. In normal cases, we need to do a moveresize * now to get the position back to the original. */ if (window->shaken_loose) meta_window_maximize (window, META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL); else meta_window_move_resize (display->grab_window, TRUE, display->grab_initial_window_pos.x, display->grab_initial_window_pos.y, display->grab_initial_window_pos.width, display->grab_initial_window_pos.height); } /* When moving by increments, we still snap to edges if the move * to the edge is smaller than the increment. This is because * Shift + arrow to snap is sort of a hidden feature. This way * people using just arrows shouldn't get too frustrated. */ switch (keysym) { case XK_KP_Home: case XK_KP_Prior: case XK_Up: case XK_KP_Up: y -= incr; handled = TRUE; break; case XK_KP_End: case XK_KP_Next: case XK_Down: case XK_KP_Down: y += incr; handled = TRUE; break; } switch (keysym) { case XK_KP_Home: case XK_KP_End: case XK_Left: case XK_KP_Left: x -= incr; handled = TRUE; break; case XK_KP_Prior: case XK_KP_Next: case XK_Right: case XK_KP_Right: x += incr; handled = TRUE; break; } if (handled) { MetaRectangle old_rect; meta_topic (META_DEBUG_KEYBINDINGS, "Computed new window location %d,%d due to keypress\n", x, y); meta_window_get_client_root_coords (window, &old_rect); meta_window_edge_resistance_for_move (window, old_rect.x, old_rect.y, &x, &y, NULL, smart_snap, TRUE); meta_window_move (window, TRUE, x, y); meta_window_update_keyboard_move (window); } return handled; } static gboolean process_keyboard_resize_grab_op_change (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, KeySym keysym) { gboolean handled; handled = FALSE; switch (display->grab_op) { case META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN: switch (keysym) { case XK_Up: case XK_KP_Up: display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_N; handled = TRUE; break; case XK_Down: case XK_KP_Down: display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_S; handled = TRUE; break; case XK_Left: case XK_KP_Left: display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_W; handled = TRUE; break; case XK_Right: case XK_KP_Right: display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_E; handled = TRUE; break; } break; case META_GRAB_OP_KEYBOARD_RESIZING_S: switch (keysym) { case XK_Left: case XK_KP_Left: display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_W; handled = TRUE; break; case XK_Right: case XK_KP_Right: display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_E; handled = TRUE; break; } break; case META_GRAB_OP_KEYBOARD_RESIZING_N: switch (keysym) { case XK_Left: case XK_KP_Left: display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_W; handled = TRUE; break; case XK_Right: case XK_KP_Right: display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_E; handled = TRUE; break; } break; case META_GRAB_OP_KEYBOARD_RESIZING_W: switch (keysym) { case XK_Up: case XK_KP_Up: display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_N; handled = TRUE; break; case XK_Down: case XK_KP_Down: display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_S; handled = TRUE; break; } break; case META_GRAB_OP_KEYBOARD_RESIZING_E: switch (keysym) { case XK_Up: case XK_KP_Up: display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_N; handled = TRUE; break; case XK_Down: case XK_KP_Down: display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_S; handled = TRUE; break; } break; case META_GRAB_OP_KEYBOARD_RESIZING_SE: case META_GRAB_OP_KEYBOARD_RESIZING_NE: case META_GRAB_OP_KEYBOARD_RESIZING_SW: case META_GRAB_OP_KEYBOARD_RESIZING_NW: break; default: g_assert_not_reached (); break; } if (handled) { meta_window_update_keyboard_resize (window, TRUE); return TRUE; } return FALSE; } static gboolean process_keyboard_resize_grab (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, KeySym keysym) { gboolean handled; int height_inc; int width_inc; int width, height; gboolean smart_snap; int gravity; handled = FALSE; /* don't care about releases, but eat them, don't end grab */ if (event->evtype == XI_KeyRelease) return TRUE; /* don't end grab on modifier key presses */ if (is_modifier (display, event->detail)) return TRUE; if (keysym == XK_Escape) { /* End resize and restore to original state. */ meta_window_move_resize (display->grab_window, TRUE, display->grab_initial_window_pos.x, display->grab_initial_window_pos.y, display->grab_initial_window_pos.width, display->grab_initial_window_pos.height); return FALSE; } if (process_keyboard_resize_grab_op_change (display, screen, window, event, keysym)) return TRUE; width = window->rect.width; height = window->rect.height; gravity = meta_resize_gravity_from_grab_op (display->grab_op); smart_snap = (event->mods.effective & ShiftMask) != 0; #define SMALL_INCREMENT 1 #define NORMAL_INCREMENT 10 if (smart_snap) { height_inc = 1; width_inc = 1; } else if (event->mods.effective & ControlMask) { width_inc = SMALL_INCREMENT; height_inc = SMALL_INCREMENT; } else { width_inc = NORMAL_INCREMENT; height_inc = NORMAL_INCREMENT; } /* If this is a resize increment window, make the amount we resize * the window by match that amount (well, unless snap resizing...) */ if (window->size_hints.width_inc > 1) width_inc = window->size_hints.width_inc; if (window->size_hints.height_inc > 1) height_inc = window->size_hints.height_inc; switch (keysym) { case XK_Up: case XK_KP_Up: switch (gravity) { case NorthGravity: case NorthWestGravity: case NorthEastGravity: /* Move bottom edge up */ height -= height_inc; break; case SouthGravity: case SouthWestGravity: case SouthEastGravity: /* Move top edge up */ height += height_inc; break; case EastGravity: case WestGravity: case CenterGravity: g_assert_not_reached (); break; } handled = TRUE; break; case XK_Down: case XK_KP_Down: switch (gravity) { case NorthGravity: case NorthWestGravity: case NorthEastGravity: /* Move bottom edge down */ height += height_inc; break; case SouthGravity: case SouthWestGravity: case SouthEastGravity: /* Move top edge down */ height -= height_inc; break; case EastGravity: case WestGravity: case CenterGravity: g_assert_not_reached (); break; } handled = TRUE; break; case XK_Left: case XK_KP_Left: switch (gravity) { case EastGravity: case SouthEastGravity: case NorthEastGravity: /* Move left edge left */ width += width_inc; break; case WestGravity: case SouthWestGravity: case NorthWestGravity: /* Move right edge left */ width -= width_inc; break; case NorthGravity: case SouthGravity: case CenterGravity: g_assert_not_reached (); break; } handled = TRUE; break; case XK_Right: case XK_KP_Right: switch (gravity) { case EastGravity: case SouthEastGravity: case NorthEastGravity: /* Move left edge right */ width -= width_inc; break; case WestGravity: case SouthWestGravity: case NorthWestGravity: /* Move right edge right */ width += width_inc; break; case NorthGravity: case SouthGravity: case CenterGravity: g_assert_not_reached (); break; } handled = TRUE; break; default: break; } /* fixup hack (just paranoia, not sure it's required) */ if (height < 1) height = 1; if (width < 1) width = 1; if (handled) { MetaRectangle old_rect; meta_topic (META_DEBUG_KEYBINDINGS, "Computed new window size due to keypress: " "%dx%d, gravity %s\n", width, height, meta_gravity_to_string (gravity)); old_rect = window->rect; /* Don't actually care about x,y */ /* Do any edge resistance/snapping */ meta_window_edge_resistance_for_resize (window, old_rect.width, old_rect.height, &width, &height, gravity, NULL, smart_snap, TRUE); /* We don't need to update unless the specified width and height * are actually different from what we had before. */ if (window->rect.width != width || window->rect.height != height) meta_window_resize_with_gravity (window, TRUE, width, height, gravity); meta_window_update_keyboard_resize (window, FALSE); } return handled; } static gboolean end_keyboard_grab (MetaDisplay *display, unsigned int keycode) { #ifdef HAVE_XKB if (display->xkb_base_event_type > 0) { unsigned int primary_modifier; XkbStateRec state; primary_modifier = get_primary_modifier (display, display->grab_mask); XkbGetState (display->xdisplay, XkbUseCoreKbd, &state); if (!(primary_modifier & state.mods)) return TRUE; } else #endif { if (keycode_is_primary_modifier (display, keycode, display->grab_mask)) return TRUE; } return FALSE; } static gboolean process_tab_grab (MetaDisplay *display, MetaScreen *screen, XIDeviceEvent *event, KeySym keysym) { MetaKeyBinding *binding; MetaKeyBindingAction action; gboolean popup_not_showing; gboolean backward; gboolean key_used; MetaWindow *prev_window; if (screen != display->grab_screen) return FALSE; binding = display_get_keybinding (display, keysym, event->detail, display->grab_mask); if (binding) action = meta_prefs_get_keybinding_action (binding->name); else action = META_KEYBINDING_ACTION_NONE; /* * If there is no tab_pop up object, i.e., there is some custom handler * implementing Alt+Tab & Co., we call this custom handler; we do not * mess about with the grab, as that is up to the handler to deal with. */ if (!screen->tab_popup) { if (event->evtype == XI_KeyRelease) { if (end_keyboard_grab (display, event->detail)) { invoke_handler_by_name (display, screen, "tab-popup-select", NULL, event); /* We return FALSE to end the grab; if the handler ended the grab itself * that will be a noop. If the handler didn't end the grab, then it's a * safety measure to prevent a stuck grab. */ return FALSE; } return TRUE; } switch (action) { case META_KEYBINDING_ACTION_CYCLE_PANELS: case META_KEYBINDING_ACTION_CYCLE_WINDOWS: case META_KEYBINDING_ACTION_CYCLE_PANELS_BACKWARD: case META_KEYBINDING_ACTION_CYCLE_WINDOWS_BACKWARD: case META_KEYBINDING_ACTION_SWITCH_PANELS: case META_KEYBINDING_ACTION_SWITCH_WINDOWS: case META_KEYBINDING_ACTION_SWITCH_APPLICATIONS: case META_KEYBINDING_ACTION_SWITCH_PANELS_BACKWARD: case META_KEYBINDING_ACTION_SWITCH_WINDOWS_BACKWARD: case META_KEYBINDING_ACTION_SWITCH_APPLICATIONS_BACKWARD: case META_KEYBINDING_ACTION_CYCLE_GROUP: case META_KEYBINDING_ACTION_CYCLE_GROUP_BACKWARD: case META_KEYBINDING_ACTION_SWITCH_GROUP: case META_KEYBINDING_ACTION_SWITCH_GROUP_BACKWARD: /* These are the tab-popup bindings. If a custom Alt-Tab implementation * is in effect, we expect it to want to handle all of these as a group * * If there are some of them that the custom implementation didn't * handle, we treat them as "unbound" for the duration - running the * normal handlers could get us into trouble. */ if (binding->handler && binding->handler->func && binding->handler->func != binding->handler->default_func) { invoke_handler (display, screen, binding->handler, NULL, event, binding); return TRUE; } break; case META_KEYBINDING_ACTION_NONE: { /* * If this is simply user pressing the Shift key, we do not want * to cancel the grab. */ if (is_modifier (display, event->detail)) return TRUE; } default: break; } /* Some unhandled key press */ invoke_handler_by_name (display, screen, "tab-popup-cancel", NULL, event); return FALSE; } if (event->evtype == XI_KeyRelease && end_keyboard_grab (display, event->detail)) { /* We're done, move to the new window. */ MetaWindow *target_window; target_window = meta_screen_tab_popup_get_selected (screen); meta_topic (META_DEBUG_KEYBINDINGS, "Ending tab operation, primary modifier released\n"); if (target_window) { target_window->tab_unminimized = FALSE; meta_topic (META_DEBUG_KEYBINDINGS, "Activating target window\n"); meta_topic (META_DEBUG_FOCUS, "Activating %s due to tab popup " "selection and turning mouse_mode off\n", target_window->desc); display->mouse_mode = FALSE; meta_window_activate (target_window, event->time); meta_topic (META_DEBUG_KEYBINDINGS, "Ending grab early so we can focus the target window\n"); meta_display_end_grab_op (display, event->time); return TRUE; /* we already ended the grab */ } return FALSE; /* end grab */ } /* don't care about other releases, but eat them, don't end grab */ if (event->evtype == XI_KeyRelease) return TRUE; /* don't end grab on modifier key presses */ if (is_modifier (display, event->detail)) return TRUE; prev_window = meta_screen_tab_popup_get_selected (screen); /* Cancel when alt-Escape is pressed during using alt-Tab, and vice * versa. */ switch (action) { case META_KEYBINDING_ACTION_CYCLE_PANELS: case META_KEYBINDING_ACTION_CYCLE_WINDOWS: case META_KEYBINDING_ACTION_CYCLE_PANELS_BACKWARD: case META_KEYBINDING_ACTION_CYCLE_WINDOWS_BACKWARD: /* CYCLE_* are traditionally Escape-based actions, * and should cancel traditionally Tab-based ones. */ switch (display->grab_op) { case META_GRAB_OP_KEYBOARD_ESCAPING_NORMAL: case META_GRAB_OP_KEYBOARD_ESCAPING_DOCK: /* carry on */ break; default: return FALSE; } break; case META_KEYBINDING_ACTION_SWITCH_PANELS: case META_KEYBINDING_ACTION_SWITCH_WINDOWS: case META_KEYBINDING_ACTION_SWITCH_APPLICATIONS: case META_KEYBINDING_ACTION_SWITCH_PANELS_BACKWARD: case META_KEYBINDING_ACTION_SWITCH_WINDOWS_BACKWARD: case META_KEYBINDING_ACTION_SWITCH_APPLICATIONS_BACKWARD: /* SWITCH_* are traditionally Tab-based actions, * and should cancel traditionally Escape-based ones. */ switch (display->grab_op) { case META_GRAB_OP_KEYBOARD_TABBING_NORMAL: case META_GRAB_OP_KEYBOARD_TABBING_DOCK: /* carry on */ break; default: /* Also, we must re-lower and re-minimize whatever window * we'd previously raised and unminimized. */ meta_stack_set_positions (screen->stack, screen->display->grab_old_window_stacking); if (prev_window && prev_window->tab_unminimized) { meta_window_minimize (prev_window); prev_window->tab_unminimized = FALSE; } return FALSE; } break; case META_KEYBINDING_ACTION_CYCLE_GROUP: case META_KEYBINDING_ACTION_CYCLE_GROUP_BACKWARD: case META_KEYBINDING_ACTION_SWITCH_GROUP: case META_KEYBINDING_ACTION_SWITCH_GROUP_BACKWARD: switch (display->grab_op) { case META_GRAB_OP_KEYBOARD_ESCAPING_GROUP: case META_GRAB_OP_KEYBOARD_TABBING_GROUP: /* carry on */ break; default: return FALSE; } break; default: break; } /* !! TO HERE !! * alt-f6 during alt-{Tab,Escape} does not end the grab * but does change the grab op (and redraws the window, * of course). * See _{SWITCH,CYCLE}_GROUP.@@@ */ popup_not_showing = FALSE; key_used = FALSE; backward = FALSE; switch (action) { case META_KEYBINDING_ACTION_CYCLE_PANELS: case META_KEYBINDING_ACTION_CYCLE_WINDOWS: case META_KEYBINDING_ACTION_CYCLE_GROUP: popup_not_showing = TRUE; key_used = TRUE; break; case META_KEYBINDING_ACTION_CYCLE_PANELS_BACKWARD: case META_KEYBINDING_ACTION_CYCLE_WINDOWS_BACKWARD: case META_KEYBINDING_ACTION_CYCLE_GROUP_BACKWARD: popup_not_showing = TRUE; key_used = TRUE; backward = TRUE; break; case META_KEYBINDING_ACTION_SWITCH_PANELS: case META_KEYBINDING_ACTION_SWITCH_WINDOWS: case META_KEYBINDING_ACTION_SWITCH_APPLICATIONS: case META_KEYBINDING_ACTION_SWITCH_GROUP: key_used = TRUE; break; case META_KEYBINDING_ACTION_SWITCH_PANELS_BACKWARD: case META_KEYBINDING_ACTION_SWITCH_WINDOWS_BACKWARD: case META_KEYBINDING_ACTION_SWITCH_APPLICATIONS_BACKWARD: case META_KEYBINDING_ACTION_SWITCH_GROUP_BACKWARD: key_used = TRUE; backward = TRUE; break; default: break; } if (key_used) { meta_topic (META_DEBUG_KEYBINDINGS, "Key pressed, moving tab focus in popup\n"); if (event->mods.effective & ShiftMask) backward = !backward; if (backward) meta_screen_tab_popup_backward (screen); else meta_screen_tab_popup_forward (screen); if (popup_not_showing) { /* We can't actually change window focus, due to the grab. * but raise the window. */ MetaWindow *target_window; meta_stack_set_positions (screen->stack, display->grab_old_window_stacking); target_window = meta_screen_tab_popup_get_selected (screen); if (prev_window && prev_window->tab_unminimized) { prev_window->tab_unminimized = FALSE; meta_window_minimize (prev_window); } if (target_window) { meta_window_raise (target_window); target_window->tab_unminimized = target_window->minimized; meta_window_unminimize (target_window); } } } else { /* end grab */ meta_topic (META_DEBUG_KEYBINDINGS, "Ending tabbing/cycling, uninteresting key pressed\n"); meta_topic (META_DEBUG_KEYBINDINGS, "Syncing to old stack positions.\n"); meta_stack_set_positions (screen->stack, screen->display->grab_old_window_stacking); if (prev_window && prev_window->tab_unminimized) { meta_window_minimize (prev_window); prev_window->tab_unminimized = FALSE; } } return key_used; } static void handle_switch_to_workspace (MetaDisplay *display, MetaScreen *screen, MetaWindow *event_window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { gint which = binding->handler->data; MetaWorkspace *workspace; if (which < 0) { /* Negative workspace numbers are directions with respect to the * current workspace. While we could insta-switch here by setting * workspace to the result of meta_workspace_get_neighbor(), when * people request a workspace switch to the left or right via * the keyboard, they actually want a tab popup. So we should * go there instead. * * Note that we're the only caller of that function, so perhaps * we should merge with it. */ handle_workspace_switch (display, screen, event_window, event, binding, dummy); return; } workspace = meta_screen_get_workspace_by_index (screen, which); if (workspace) { meta_workspace_activate (workspace, event->time); } else { /* We could offer to create it I suppose */ } } static void handle_maximize_vertically (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (window->has_resize_func) { if (window->maximized_vertically) meta_window_unmaximize (window, META_MAXIMIZE_VERTICAL); else meta_window_maximize (window, META_MAXIMIZE_VERTICAL); } } static void handle_maximize_horizontally (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (window->has_resize_func) { if (window->maximized_horizontally) meta_window_unmaximize (window, META_MAXIMIZE_HORIZONTAL); else meta_window_maximize (window, META_MAXIMIZE_HORIZONTAL); } } /* Move a window to a corner; to_bottom/to_right are FALSE for the * top or left edge, or TRUE for the bottom/right edge. xchange/ychange * are FALSE if that dimension is not to be changed, TRUE otherwise. * Together they describe which of the four corners, or four sides, * is desired. */ static void handle_move_to_corner_backend (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, gboolean xchange, gboolean ychange, gboolean to_right, gboolean to_bottom, gpointer dummy) { MetaRectangle work_area; MetaRectangle outer; int orig_x, orig_y; int new_x, new_y; meta_window_get_work_area_all_monitors (window, &work_area); meta_window_get_outer_rect (window, &outer); meta_window_get_position (window, &orig_x, &orig_y); if (xchange) { new_x = work_area.x + (to_right ? work_area.width - outer.width : 0); } else { new_x = orig_x; } if (ychange) { new_y = work_area.y + (to_bottom ? work_area.height - outer.height : 0); } else { new_y = orig_y; } meta_window_move_frame (window, TRUE, new_x, new_y); } static void handle_move_to_corner_nw (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { handle_move_to_corner_backend (display, screen, window, TRUE, TRUE, FALSE, FALSE, dummy); } static void handle_move_to_corner_ne (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { handle_move_to_corner_backend (display, screen, window, TRUE, TRUE, TRUE, FALSE, dummy); } static void handle_move_to_corner_sw (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { handle_move_to_corner_backend (display, screen, window, TRUE, TRUE, FALSE, TRUE, dummy); } static void handle_move_to_corner_se (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { handle_move_to_corner_backend (display, screen, window, TRUE, TRUE, TRUE, TRUE, dummy); } static void handle_move_to_side_n (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { handle_move_to_corner_backend (display, screen, window, FALSE, TRUE, FALSE, FALSE, dummy); } static void handle_move_to_side_s (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { handle_move_to_corner_backend (display, screen, window, FALSE, TRUE, FALSE, TRUE, dummy); } static void handle_move_to_side_e (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { handle_move_to_corner_backend (display, screen, window, TRUE, FALSE, TRUE, FALSE, dummy); } static void handle_move_to_side_w (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { handle_move_to_corner_backend (display, screen, window, TRUE, FALSE, FALSE, FALSE, dummy); } static void handle_move_to_center (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { MetaRectangle work_area; MetaRectangle outer; int orig_x, orig_y; int frame_width, frame_height; meta_window_get_work_area_all_monitors (window, &work_area); meta_window_get_outer_rect (window, &outer); meta_window_get_position (window, &orig_x, &orig_y); frame_width = (window->frame ? window->frame->child_x : 0); frame_height = (window->frame ? window->frame->child_y : 0); meta_window_move_resize (window, TRUE, work_area.x + (work_area.width +frame_width -outer.width )/2, work_area.y + (work_area.height+frame_height-outer.height)/2, window->rect.width, window->rect.height); } static gboolean process_workspace_switch_grab (MetaDisplay *display, MetaScreen *screen, XIDeviceEvent *event, KeySym keysym) { MetaWorkspace *workspace; if (screen != display->grab_screen || !screen->ws_popup) return FALSE; if (event->evtype == XI_KeyRelease && end_keyboard_grab (display, event->detail)) { /* We're done, move to the new workspace. */ MetaWorkspace *target_workspace; target_workspace = meta_screen_workspace_popup_get_selected (screen); meta_topic (META_DEBUG_KEYBINDINGS, "Ending workspace tab operation, primary modifier released\n"); if (target_workspace == screen->active_workspace) { meta_topic (META_DEBUG_KEYBINDINGS, "Ending grab so we can focus on the target workspace\n"); meta_display_end_grab_op (display, event->time); meta_topic (META_DEBUG_KEYBINDINGS, "Focusing default window on target workspace\n"); meta_workspace_focus_default_window (target_workspace, NULL, event->time); return TRUE; /* we already ended the grab */ } /* Workspace switching should have already occurred on KeyPress */ meta_warning ("target_workspace != active_workspace. Some other event must have occurred.\n"); return FALSE; /* end grab */ } /* don't care about other releases, but eat them, don't end grab */ if (event->evtype == XI_KeyRelease) return TRUE; /* don't end grab on modifier key presses */ if (is_modifier (display, event->detail)) return TRUE; /* select the next workspace in the popup */ workspace = meta_screen_workspace_popup_get_selected (screen); if (workspace) { MetaWorkspace *target_workspace; MetaKeyBindingAction action; action = meta_display_get_keybinding_action (display, event->detail, display->grab_mask); switch (action) { case META_KEYBINDING_ACTION_WORKSPACE_UP: target_workspace = meta_workspace_get_neighbor (workspace, META_MOTION_UP); break; case META_KEYBINDING_ACTION_WORKSPACE_DOWN: target_workspace = meta_workspace_get_neighbor (workspace, META_MOTION_DOWN); break; case META_KEYBINDING_ACTION_WORKSPACE_LEFT: target_workspace = meta_workspace_get_neighbor (workspace, META_MOTION_LEFT); break; case META_KEYBINDING_ACTION_WORKSPACE_RIGHT: target_workspace = meta_workspace_get_neighbor (workspace, META_MOTION_RIGHT); break; default: target_workspace = NULL; break; } if (target_workspace) { meta_screen_workspace_popup_select (screen, target_workspace); meta_topic (META_DEBUG_KEYBINDINGS, "Tab key pressed, moving tab focus in popup\n"); meta_topic (META_DEBUG_KEYBINDINGS, "Activating target workspace\n"); meta_workspace_activate (target_workspace, event->time); return TRUE; /* we already ended the grab */ } } /* end grab */ meta_topic (META_DEBUG_KEYBINDINGS, "Ending workspace tabbing & focusing default window; uninteresting key pressed\n"); workspace = meta_screen_workspace_popup_get_selected (screen); meta_workspace_focus_default_window (workspace, NULL, event->time); return FALSE; } static void handle_show_desktop (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (screen->active_workspace->showing_desktop) { meta_screen_unshow_desktop (screen); meta_workspace_focus_default_window (screen->active_workspace, NULL, event->time); } else meta_screen_show_desktop (screen, event->time); } static void handle_panel (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { MetaKeyBindingAction action = binding->handler->data; Atom action_atom; XClientMessageEvent ev; action_atom = None; switch (action) { /* FIXME: The numbers are wrong */ case META_KEYBINDING_ACTION_PANEL_MAIN_MENU: action_atom = display->atom__GNOME_PANEL_ACTION_MAIN_MENU; break; case META_KEYBINDING_ACTION_PANEL_RUN_DIALOG: action_atom = display->atom__GNOME_PANEL_ACTION_RUN_DIALOG; break; default: return; } ev.type = ClientMessage; ev.window = screen->xroot; ev.message_type = display->atom__GNOME_PANEL_ACTION; ev.format = 32; ev.data.l[0] = action_atom; ev.data.l[1] = event->time; meta_topic (META_DEBUG_KEYBINDINGS, "Sending panel message with timestamp %lu, and turning mouse_mode " "off due to keybinding press\n", event->time); display->mouse_mode = FALSE; meta_error_trap_push (display); /* Release the grab for the panel before sending the event */ XUngrabKeyboard (display->xdisplay, event->time); XSendEvent (display->xdisplay, screen->xroot, False, StructureNotifyMask, (XEvent*) &ev); meta_error_trap_pop (display); } static void handle_activate_window_menu (MetaDisplay *display, MetaScreen *screen, MetaWindow *event_window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (display->focus_window) { int x, y; meta_window_get_position (display->focus_window, &x, &y); if (meta_ui_get_direction() == META_UI_DIRECTION_RTL) x += display->focus_window->rect.width; meta_window_show_menu (display->focus_window, x, y, 0, event->time); } } static MetaGrabOp tab_op_from_tab_type (MetaTabList type) { switch (type) { case META_TAB_LIST_NORMAL: return META_GRAB_OP_KEYBOARD_TABBING_NORMAL; case META_TAB_LIST_DOCKS: return META_GRAB_OP_KEYBOARD_TABBING_DOCK; case META_TAB_LIST_GROUP: return META_GRAB_OP_KEYBOARD_TABBING_GROUP; case META_TAB_LIST_NORMAL_ALL: break; } g_assert_not_reached (); return 0; } static MetaGrabOp cycle_op_from_tab_type (MetaTabList type) { switch (type) { case META_TAB_LIST_NORMAL: return META_GRAB_OP_KEYBOARD_ESCAPING_NORMAL; case META_TAB_LIST_DOCKS: return META_GRAB_OP_KEYBOARD_ESCAPING_DOCK; case META_TAB_LIST_GROUP: return META_GRAB_OP_KEYBOARD_ESCAPING_GROUP; case META_TAB_LIST_NORMAL_ALL: break; } g_assert_not_reached (); return 0; } static void do_choose_window (MetaDisplay *display, MetaScreen *screen, MetaWindow *event_window, XIDeviceEvent *event, MetaKeyBinding *binding, gboolean backward, gboolean show_popup) { MetaTabList type = binding->handler->data; MetaWindow *initial_selection; meta_topic (META_DEBUG_KEYBINDINGS, "Tab list = %u show_popup = %d\n", type, show_popup); /* reverse direction if shift is down */ if (event->mods.effective & ShiftMask) backward = !backward; initial_selection = meta_display_get_tab_next (display, type, screen, screen->active_workspace, NULL, backward); /* Note that focus_window may not be in the tab chain, but it's OK */ if (initial_selection == NULL) initial_selection = meta_display_get_tab_current (display, type, screen, screen->active_workspace); meta_topic (META_DEBUG_KEYBINDINGS, "Initially selecting window %s\n", initial_selection ? initial_selection->desc : "(none)"); if (initial_selection == NULL) return; if (binding->mask == 0) { /* If no modifiers, we can't do the "hold down modifier to keep * moving" thing, so we just instaswitch by one window. */ meta_topic (META_DEBUG_FOCUS, "Activating %s and turning off mouse_mode due to " "switch/cycle windows with no modifiers\n", initial_selection->desc); display->mouse_mode = FALSE; meta_window_activate (initial_selection, event->time); return; } if (meta_prefs_get_no_tab_popup ()) { /* FIXME? Shouldn't this be merged with the previous case? */ return; } if (!meta_display_begin_grab_op (display, screen, NULL, show_popup ? tab_op_from_tab_type (type) : cycle_op_from_tab_type (type), FALSE, FALSE, 0, binding->mask, event->time, 0, 0)) return; if (!primary_modifier_still_pressed (display, binding->mask)) { /* This handles a race where modifier might be released before * we establish the grab. must end grab prior to trying to focus * a window. */ meta_topic (META_DEBUG_FOCUS, "Ending grab, activating %s, and turning off " "mouse_mode due to switch/cycle windows where " "modifier was released prior to grab\n", initial_selection->desc); meta_display_end_grab_op (display, event->time); display->mouse_mode = FALSE; meta_window_activate (initial_selection, event->time); return; } meta_screen_tab_popup_create (screen, type, show_popup ? META_TAB_SHOW_ICON : META_TAB_SHOW_INSTANTLY, initial_selection); if (!show_popup) { meta_window_raise (initial_selection); initial_selection->tab_unminimized = initial_selection->minimized; meta_window_unminimize (initial_selection); } } static void handle_switch (MetaDisplay *display, MetaScreen *screen, MetaWindow *event_window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { gint backwards = (binding->handler->flags & META_KEY_BINDING_IS_REVERSED) != 0; do_choose_window (display, screen, event_window, event, binding, backwards, TRUE); } static void handle_cycle (MetaDisplay *display, MetaScreen *screen, MetaWindow *event_window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { gint backwards = (binding->handler->flags & META_KEY_BINDING_IS_REVERSED) != 0; do_choose_window (display, screen, event_window, event, binding, backwards, FALSE); } static void handle_tab_popup_select (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { /* Stub for custom handlers; no default implementation */ } static void handle_tab_popup_cancel (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { /* Stub for custom handlers; no default implementation */ } static void handle_toggle_fullscreen (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (window->fullscreen) meta_window_unmake_fullscreen (window); else if (window->has_fullscreen_func) meta_window_make_fullscreen (window); } static void handle_toggle_above (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (window->wm_state_above) meta_window_unmake_above (window); else meta_window_make_above (window); } static void handle_toggle_tiled (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { MetaTileMode mode = binding->handler->data; if ((META_WINDOW_TILED_LEFT (window) && mode == META_TILE_LEFT) || (META_WINDOW_TILED_RIGHT (window) && mode == META_TILE_RIGHT)) { window->tile_monitor_number = window->saved_maximize ? window->monitor->number : -1; window->tile_mode = window->saved_maximize ? META_TILE_MAXIMIZED : META_TILE_NONE; if (window->saved_maximize) meta_window_maximize (window, META_MAXIMIZE_VERTICAL | META_MAXIMIZE_HORIZONTAL); else meta_window_unmaximize (window, META_MAXIMIZE_VERTICAL | META_MAXIMIZE_HORIZONTAL); } else if (meta_window_can_tile_side_by_side (window)) { window->tile_monitor_number = window->monitor->number; window->tile_mode = mode; /* Maximization constraints beat tiling constraints, so if the window * is maximized, tiling won't have any effect unless we unmaximize it * horizontally first; rather than calling meta_window_unmaximize(), * we just set the flag and rely on meta_window_tile() syncing it to * save an additional roundtrip. */ window->maximized_horizontally = FALSE; meta_window_tile (window); } } static void handle_toggle_maximized (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (META_WINDOW_MAXIMIZED (window)) meta_window_unmaximize (window, META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL); else if (window->has_maximize_func) meta_window_maximize (window, META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL); } static void handle_maximize (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (window->has_maximize_func) meta_window_maximize (window, META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL); } static void handle_unmaximize (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (window->maximized_vertically || window->maximized_horizontally) meta_window_unmaximize (window, META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL); } static void handle_toggle_shaded (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (window->shaded) meta_window_unshade (window, event->time); else if (window->has_shade_func) meta_window_shade (window, event->time); } static void handle_close (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (window->has_close_func) meta_window_delete (window, event->time); } static void handle_minimize (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (window->has_minimize_func) meta_window_minimize (window); } static void handle_begin_move (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (window->has_move_func) { meta_window_begin_grab_op (window, META_GRAB_OP_KEYBOARD_MOVING, FALSE, event->time); } } static void handle_begin_resize (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (window->has_resize_func) { meta_window_begin_grab_op (window, META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN, FALSE, event->time); } } static void handle_toggle_on_all_workspaces (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { if (window->on_all_workspaces_requested) meta_window_unstick (window); else meta_window_stick (window); } static void handle_move_to_workspace (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { gint which = binding->handler->data; gboolean flip = (which < 0); MetaWorkspace *workspace; /* If which is zero or positive, it's a workspace number, and the window * should move to the workspace with that number. * * However, if it's negative, it's a direction with respect to the current * position; it's expressed as a member of the MetaMotionDirection enum, * all of whose members are negative. Such a change is called a flip. */ if (window->always_sticky) return; workspace = NULL; if (flip) { workspace = meta_workspace_get_neighbor (screen->active_workspace, which); } else { workspace = meta_screen_get_workspace_by_index (screen, which); } if (workspace) { /* Activate second, so the window is never unmapped */ meta_window_change_workspace (window, workspace); if (flip) { meta_topic (META_DEBUG_FOCUS, "Resetting mouse_mode to FALSE due to " "handle_move_to_workspace() call with flip set.\n"); meta_display_clear_mouse_mode (workspace->screen->display); meta_workspace_activate_with_focus (workspace, window, event->time); } } else { /* We could offer to create it I suppose */ } } static void handle_raise_or_lower (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { /* Get window at pointer */ MetaWindow *above = NULL; /* Check if top */ if (meta_stack_get_top (window->screen->stack) == window) { meta_window_lower (window); return; } /* else check if windows in same layer are intersecting it */ above = meta_stack_get_above (window->screen->stack, window, TRUE); while (above) { MetaRectangle tmp, win_rect, above_rect; if (above->mapped) { meta_window_get_outer_rect (window, &win_rect); meta_window_get_outer_rect (above, &above_rect); /* Check if obscured */ if (meta_rectangle_intersect (&win_rect, &above_rect, &tmp)) { meta_window_raise (window); return; } } above = meta_stack_get_above (window->screen->stack, above, TRUE); } /* window is not obscured */ meta_window_lower (window); } static void handle_raise (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { meta_window_raise (window); } static void handle_lower (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { meta_window_lower (window); } static void handle_workspace_switch (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { gint motion = binding->handler->data; unsigned int grab_mask; MetaWorkspace *next; gboolean grabbed_before_release; g_assert (motion < 0); meta_topic (META_DEBUG_KEYBINDINGS, "Starting tab between workspaces, showing popup\n"); /* FIXME should we use binding->mask ? */ grab_mask = event->mods.effective & ~(display->ignored_modifier_mask); if (!meta_display_begin_grab_op (display, screen, NULL, META_GRAB_OP_KEYBOARD_WORKSPACE_SWITCHING, FALSE, FALSE, 0, grab_mask, event->time, 0, 0)) return; next = meta_workspace_get_neighbor (screen->active_workspace, motion); g_assert (next); grabbed_before_release = primary_modifier_still_pressed (display, grab_mask); meta_topic (META_DEBUG_KEYBINDINGS, "Activating target workspace\n"); if (!grabbed_before_release) { /* end the grab right away, modifier possibly released * before we could establish the grab and receive the * release event. Must end grab before we can switch * spaces. */ meta_display_end_grab_op (display, event->time); } meta_workspace_activate (next, event->time); if (grabbed_before_release && !meta_prefs_get_no_tab_popup ()) meta_screen_workspace_popup_create (screen, next); } static void handle_set_spew_mark (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { meta_verbose ("-- MARK MARK MARK MARK --\n"); } #ifdef HAVE_WAYLAND static void handle_switch_vt (MetaDisplay *display, MetaScreen *screen, MetaWindow *window, XIDeviceEvent *event, MetaKeyBinding *binding, gpointer dummy) { gint vt = binding->handler->data; MetaWaylandCompositor *compositor; MetaLauncher *launcher; compositor = meta_wayland_compositor_get_default (); launcher = meta_wayland_compositor_get_launcher (compositor); if (launcher) { GError *error; error = NULL; if (!meta_launcher_activate_vt (launcher, vt, &error)) { g_warning ("Failed to switch VT: %s", error->message); g_error_free (error); } } else { g_debug ("Ignoring VT switch keybinding, not running as VT manager"); } } #endif /** * meta_keybindings_set_custom_handler: * @name: The name of the keybinding to set * @handler: (allow-none): The new handler function * @user_data: User data to pass to the callback * @free_data: Will be called when this handler is overridden. * * Allows users to register a custom handler for a * builtin key binding. * * Returns: %TRUE if the binding known as @name was found, * %FALSE otherwise. */ gboolean meta_keybindings_set_custom_handler (const gchar *name, MetaKeyHandlerFunc handler, gpointer user_data, GDestroyNotify free_data) { MetaKeyHandler *key_handler = HANDLER (name); if (!key_handler) return FALSE; if (key_handler->user_data_free_func && key_handler->user_data) key_handler->user_data_free_func (key_handler->user_data); key_handler->func = handler; key_handler->user_data = user_data; key_handler->user_data_free_func = free_data; return TRUE; } /** * meta_keybindings_switch_window: (skip) * @display: a #MetaDisplay * @screen: a #MetaScreen * @event_window: a #MetaWindow * @event: a #XIDeviceEvent * @binding: a #MetaKeyBinding * */ void meta_keybindings_switch_window (MetaDisplay *display, MetaScreen *screen, MetaWindow *event_window, XIDeviceEvent *event, MetaKeyBinding *binding) { gint backwards = (binding->handler->flags & META_KEY_BINDING_IS_REVERSED) != 0; do_choose_window (display, screen, event_window, event, binding, backwards, FALSE); } static void init_builtin_key_bindings (MetaDisplay *display) { #define REVERSES_AND_REVERSED (META_KEY_BINDING_REVERSES | \ META_KEY_BINDING_IS_REVERSED) GSettings *common_keybindings = g_settings_new (SCHEMA_COMMON_KEYBINDINGS); GSettings *mutter_keybindings = g_settings_new (SCHEMA_MUTTER_KEYBINDINGS); GSettings *mutter_wayland_keybindings = g_settings_new (SCHEMA_MUTTER_WAYLAND_KEYBINDINGS); add_builtin_keybinding (display, "switch-to-workspace-1", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_1, handle_switch_to_workspace, 0); add_builtin_keybinding (display, "switch-to-workspace-2", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_2, handle_switch_to_workspace, 1); add_builtin_keybinding (display, "switch-to-workspace-3", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_3, handle_switch_to_workspace, 2); add_builtin_keybinding (display, "switch-to-workspace-4", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_4, handle_switch_to_workspace, 3); add_builtin_keybinding (display, "switch-to-workspace-5", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_5, handle_switch_to_workspace, 4); add_builtin_keybinding (display, "switch-to-workspace-6", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_6, handle_switch_to_workspace, 5); add_builtin_keybinding (display, "switch-to-workspace-7", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_7, handle_switch_to_workspace, 6); add_builtin_keybinding (display, "switch-to-workspace-8", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_8, handle_switch_to_workspace, 7); add_builtin_keybinding (display, "switch-to-workspace-9", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_9, handle_switch_to_workspace, 8); add_builtin_keybinding (display, "switch-to-workspace-10", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_10, handle_switch_to_workspace, 9); add_builtin_keybinding (display, "switch-to-workspace-11", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_11, handle_switch_to_workspace, 10); add_builtin_keybinding (display, "switch-to-workspace-12", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_12, handle_switch_to_workspace, 11); add_builtin_keybinding (display, "switch-to-workspace-left", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_LEFT, handle_switch_to_workspace, META_MOTION_LEFT); add_builtin_keybinding (display, "switch-to-workspace-right", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_RIGHT, handle_switch_to_workspace, META_MOTION_RIGHT); add_builtin_keybinding (display, "switch-to-workspace-up", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_UP, handle_switch_to_workspace, META_MOTION_UP); add_builtin_keybinding (display, "switch-to-workspace-down", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_WORKSPACE_DOWN, handle_switch_to_workspace, META_MOTION_DOWN); /* The ones which have inverses. These can't be bound to any keystroke * containing Shift because Shift will invert their "backward" state. * * TODO: "NORMAL" and "DOCKS" should be renamed to the same name as their * action, for obviousness. * * TODO: handle_switch and handle_cycle should probably really be the * same function checking a bit in the parameter for difference. */ add_builtin_keybinding (display, "switch-group", common_keybindings, META_KEY_BINDING_REVERSES, META_KEYBINDING_ACTION_SWITCH_GROUP, handle_switch, META_TAB_LIST_GROUP); add_builtin_keybinding (display, "switch-group-backward", common_keybindings, REVERSES_AND_REVERSED, META_KEYBINDING_ACTION_SWITCH_GROUP_BACKWARD, handle_switch, META_TAB_LIST_GROUP); add_builtin_keybinding (display, "switch-applications", common_keybindings, META_KEY_BINDING_REVERSES, META_KEYBINDING_ACTION_SWITCH_APPLICATIONS, handle_switch, META_TAB_LIST_NORMAL); add_builtin_keybinding (display, "switch-applications-backward", common_keybindings, REVERSES_AND_REVERSED, META_KEYBINDING_ACTION_SWITCH_APPLICATIONS_BACKWARD, handle_switch, META_TAB_LIST_NORMAL); add_builtin_keybinding (display, "switch-windows", common_keybindings, META_KEY_BINDING_REVERSES, META_KEYBINDING_ACTION_SWITCH_WINDOWS, handle_switch, META_TAB_LIST_NORMAL); add_builtin_keybinding (display, "switch-windows-backward", common_keybindings, REVERSES_AND_REVERSED, META_KEYBINDING_ACTION_SWITCH_WINDOWS_BACKWARD, handle_switch, META_TAB_LIST_NORMAL); add_builtin_keybinding (display, "switch-panels", common_keybindings, META_KEY_BINDING_REVERSES, META_KEYBINDING_ACTION_SWITCH_PANELS, handle_switch, META_TAB_LIST_DOCKS); add_builtin_keybinding (display, "switch-panels-backward", common_keybindings, REVERSES_AND_REVERSED, META_KEYBINDING_ACTION_SWITCH_PANELS_BACKWARD, handle_switch, META_TAB_LIST_DOCKS); add_builtin_keybinding (display, "cycle-group", common_keybindings, META_KEY_BINDING_REVERSES, META_KEYBINDING_ACTION_CYCLE_GROUP, handle_cycle, META_TAB_LIST_GROUP); add_builtin_keybinding (display, "cycle-group-backward", common_keybindings, REVERSES_AND_REVERSED, META_KEYBINDING_ACTION_CYCLE_GROUP_BACKWARD, handle_cycle, META_TAB_LIST_GROUP); add_builtin_keybinding (display, "cycle-windows", common_keybindings, META_KEY_BINDING_REVERSES, META_KEYBINDING_ACTION_CYCLE_WINDOWS, handle_cycle, META_TAB_LIST_NORMAL); add_builtin_keybinding (display, "cycle-windows-backward", common_keybindings, REVERSES_AND_REVERSED, META_KEYBINDING_ACTION_CYCLE_WINDOWS_BACKWARD, handle_cycle, META_TAB_LIST_NORMAL); add_builtin_keybinding (display, "cycle-panels", common_keybindings, META_KEY_BINDING_REVERSES, META_KEYBINDING_ACTION_CYCLE_PANELS, handle_cycle, META_TAB_LIST_DOCKS); add_builtin_keybinding (display, "cycle-panels-backward", common_keybindings, REVERSES_AND_REVERSED, META_KEYBINDING_ACTION_CYCLE_PANELS_BACKWARD, handle_cycle, META_TAB_LIST_DOCKS); /* These two are special pseudo-bindings that are provided for allowing * custom handlers, but will never be bound to a key. While a tab * grab is in effect, they are invoked for releasing the primary modifier * or pressing some unbound key, respectively. */ add_builtin_keybinding (display, "tab-popup-select", mutter_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_TAB_POPUP_SELECT, handle_tab_popup_select, 0); add_builtin_keybinding (display, "tab-popup-cancel", mutter_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_TAB_POPUP_CANCEL, handle_tab_popup_cancel, 0); /***********************************/ add_builtin_keybinding (display, "show-desktop", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_SHOW_DESKTOP, handle_show_desktop, 0); add_builtin_keybinding (display, "panel-main-menu", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_PANEL_MAIN_MENU, handle_panel, META_KEYBINDING_ACTION_PANEL_MAIN_MENU); add_builtin_keybinding (display, "panel-run-dialog", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_PANEL_RUN_DIALOG, handle_panel, META_KEYBINDING_ACTION_PANEL_RUN_DIALOG); add_builtin_keybinding (display, "set-spew-mark", common_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_SET_SPEW_MARK, handle_set_spew_mark, 0); #ifdef HAVE_WAYLAND if (meta_is_wayland_compositor ()) { add_builtin_keybinding (display, "switch-to-session-1", mutter_wayland_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_NONE, handle_switch_vt, 1); add_builtin_keybinding (display, "switch-to-session-2", mutter_wayland_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_NONE, handle_switch_vt, 2); add_builtin_keybinding (display, "switch-to-session-3", mutter_wayland_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_NONE, handle_switch_vt, 3); add_builtin_keybinding (display, "switch-to-session-4", mutter_wayland_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_NONE, handle_switch_vt, 4); add_builtin_keybinding (display, "switch-to-session-5", mutter_wayland_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_NONE, handle_switch_vt, 5); add_builtin_keybinding (display, "switch-to-session-6", mutter_wayland_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_NONE, handle_switch_vt, 6); add_builtin_keybinding (display, "switch-to-session-7", mutter_wayland_keybindings, META_KEY_BINDING_NONE, META_KEYBINDING_ACTION_NONE, handle_switch_vt, 7); } #endif #undef REVERSES_AND_REVERSED /************************ PER WINDOW BINDINGS ************************/ /* These take a window as an extra parameter; they have no effect * if no window is active. */ add_builtin_keybinding (display, "activate-window-menu", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_ACTIVATE_WINDOW_MENU, handle_activate_window_menu, 0); add_builtin_keybinding (display, "toggle-fullscreen", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_TOGGLE_FULLSCREEN, handle_toggle_fullscreen, 0); add_builtin_keybinding (display, "toggle-maximized", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_TOGGLE_MAXIMIZED, handle_toggle_maximized, 0); add_builtin_keybinding (display, "toggle-tiled-left", mutter_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_TOGGLE_TILED_LEFT, handle_toggle_tiled, META_TILE_LEFT); add_builtin_keybinding (display, "toggle-tiled-right", mutter_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_TOGGLE_TILED_RIGHT, handle_toggle_tiled, META_TILE_RIGHT); add_builtin_keybinding (display, "toggle-above", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_TOGGLE_ABOVE, handle_toggle_above, 0); add_builtin_keybinding (display, "maximize", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MAXIMIZE, handle_maximize, 0); add_builtin_keybinding (display, "unmaximize", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_UNMAXIMIZE, handle_unmaximize, 0); add_builtin_keybinding (display, "toggle-shaded", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_TOGGLE_SHADED, handle_toggle_shaded, 0); add_builtin_keybinding (display, "minimize", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MINIMIZE, handle_minimize, 0); add_builtin_keybinding (display, "close", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_CLOSE, handle_close, 0); add_builtin_keybinding (display, "begin-move", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_BEGIN_MOVE, handle_begin_move, 0); add_builtin_keybinding (display, "begin-resize", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_BEGIN_RESIZE, handle_begin_resize, 0); add_builtin_keybinding (display, "toggle-on-all-workspaces", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_TOGGLE_ON_ALL_WORKSPACES, handle_toggle_on_all_workspaces, 0); add_builtin_keybinding (display, "move-to-workspace-1", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_1, handle_move_to_workspace, 0); add_builtin_keybinding (display, "move-to-workspace-2", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_2, handle_move_to_workspace, 1); add_builtin_keybinding (display, "move-to-workspace-3", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_3, handle_move_to_workspace, 2); add_builtin_keybinding (display, "move-to-workspace-4", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_4, handle_move_to_workspace, 3); add_builtin_keybinding (display, "move-to-workspace-5", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_5, handle_move_to_workspace, 4); add_builtin_keybinding (display, "move-to-workspace-6", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_6, handle_move_to_workspace, 5); add_builtin_keybinding (display, "move-to-workspace-7", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_7, handle_move_to_workspace, 6); add_builtin_keybinding (display, "move-to-workspace-8", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_8, handle_move_to_workspace, 7); add_builtin_keybinding (display, "move-to-workspace-9", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_9, handle_move_to_workspace, 8); add_builtin_keybinding (display, "move-to-workspace-10", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_10, handle_move_to_workspace, 9); add_builtin_keybinding (display, "move-to-workspace-11", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_11, handle_move_to_workspace, 10); add_builtin_keybinding (display, "move-to-workspace-12", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_12, handle_move_to_workspace, 11); add_builtin_keybinding (display, "move-to-workspace-left", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_LEFT, handle_move_to_workspace, META_MOTION_LEFT); add_builtin_keybinding (display, "move-to-workspace-right", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_RIGHT, handle_move_to_workspace, META_MOTION_RIGHT); add_builtin_keybinding (display, "move-to-workspace-up", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_UP, handle_move_to_workspace, META_MOTION_UP); add_builtin_keybinding (display, "move-to-workspace-down", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_DOWN, handle_move_to_workspace, META_MOTION_DOWN); add_builtin_keybinding (display, "raise-or-lower", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_RAISE_OR_LOWER, handle_raise_or_lower, 0); add_builtin_keybinding (display, "raise", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_RAISE, handle_raise, 0); add_builtin_keybinding (display, "lower", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_LOWER, handle_lower, 0); add_builtin_keybinding (display, "maximize-vertically", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MAXIMIZE_VERTICALLY, handle_maximize_vertically, 0); add_builtin_keybinding (display, "maximize-horizontally", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MAXIMIZE_HORIZONTALLY, handle_maximize_horizontally, 0); add_builtin_keybinding (display, "move-to-corner-nw", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_CORNER_NW, handle_move_to_corner_nw, 0); add_builtin_keybinding (display, "move-to-corner-ne", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_CORNER_NE, handle_move_to_corner_ne, 0); add_builtin_keybinding (display, "move-to-corner-sw", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_CORNER_SW, handle_move_to_corner_sw, 0); add_builtin_keybinding (display, "move-to-corner-se", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_CORNER_SE, handle_move_to_corner_se, 0); add_builtin_keybinding (display, "move-to-side-n", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_SIDE_N, handle_move_to_side_n, 0); add_builtin_keybinding (display, "move-to-side-s", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_SIDE_S, handle_move_to_side_s, 0); add_builtin_keybinding (display, "move-to-side-e", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_SIDE_E, handle_move_to_side_e, 0); add_builtin_keybinding (display, "move-to-side-w", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_SIDE_W, handle_move_to_side_w, 0); add_builtin_keybinding (display, "move-to-center", common_keybindings, META_KEY_BINDING_PER_WINDOW, META_KEYBINDING_ACTION_MOVE_TO_CENTER, handle_move_to_center, 0); g_object_unref (common_keybindings); g_object_unref (mutter_keybindings); } void meta_display_init_keys (MetaDisplay *display) { MetaKeyHandler *handler; /* Keybindings */ display->keymap = NULL; display->keysyms_per_keycode = 0; display->modmap = NULL; display->min_keycode = 0; display->max_keycode = 0; display->ignored_modifier_mask = 0; display->num_lock_mask = 0; display->scroll_lock_mask = 0; display->hyper_mask = 0; display->super_mask = 0; display->meta_mask = 0; display->key_bindings = NULL; display->n_key_bindings = 0; XDisplayKeycodes (display->xdisplay, &display->min_keycode, &display->max_keycode); meta_topic (META_DEBUG_KEYBINDINGS, "Display has keycode range %d to %d\n", display->min_keycode, display->max_keycode); reload_keymap (display); reload_modmap (display); key_handlers = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify) key_handler_free); handler = g_new0 (MetaKeyHandler, 1); handler->name = g_strdup ("overlay-key"); handler->flags = META_KEY_BINDING_BUILTIN; g_hash_table_insert (key_handlers, g_strdup ("overlay-key"), handler); handler = g_new0 (MetaKeyHandler, 1); handler->name = g_strdup ("iso-next-group"); handler->flags = META_KEY_BINDING_BUILTIN; g_hash_table_insert (key_handlers, g_strdup ("iso-next-group"), handler); handler = g_new0 (MetaKeyHandler, 1); handler->name = g_strdup ("external-grab"); handler->func = handle_external_grab; handler->default_func = handle_external_grab; g_hash_table_insert (key_handlers, g_strdup ("external-grab"), handler); external_grabs = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, (GDestroyNotify)meta_key_grab_free); init_builtin_key_bindings (display); rebuild_key_binding_table (display); rebuild_special_bindings (display); reload_keycodes (display); reload_modifiers (display); /* Keys are actually grabbed in meta_screen_grab_keys() */ meta_prefs_add_listener (bindings_changed_callback, display); #ifdef HAVE_XKB /* meta_display_init_keys() should have already called XkbQueryExtension() */ if (display->xkb_base_event_type != -1) XkbSelectEvents (display->xdisplay, XkbUseCoreKbd, XkbNewKeyboardNotifyMask | XkbMapNotifyMask, XkbNewKeyboardNotifyMask | XkbMapNotifyMask); #endif }