diff options
Diffstat (limited to 'plugins/keyboard/gsd-input-sources-switcher.c')
| -rw-r--r-- | plugins/keyboard/gsd-input-sources-switcher.c | 599 |
1 files changed, 0 insertions, 599 deletions
diff --git a/plugins/keyboard/gsd-input-sources-switcher.c b/plugins/keyboard/gsd-input-sources-switcher.c deleted file mode 100644 index cff23591..00000000 --- a/plugins/keyboard/gsd-input-sources-switcher.c +++ /dev/null @@ -1,599 +0,0 @@ -/* - * Copyright (C) 2012 Red Hat, Inc. - * - * Written by: Rui Matos <rmatos@redhat.com> - * - * 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, 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., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include <gtk/gtk.h> -#include <gdk/gdkkeysyms.h> -#include <gdk/gdkx.h> - -#include <X11/XKBlib.h> - -#include "gsd-enums.h" -#include "gsd-keygrab.h" - -#define GNOME_DESKTOP_INPUT_SOURCES_DIR "org.gnome.desktop.input-sources" -#define KEY_CURRENT_INPUT_SOURCE "current" -#define KEY_INPUT_SOURCES "sources" - -#define GSD_KEYBOARD_DIR "org.gnome.settings-daemon.peripherals.keyboard" -#define KEY_SWITCHER "input-sources-switcher" - -static GSettings *input_sources_settings; - -static Key *the_keys = NULL; -static guint n_keys = 0; - -static guint master_keyboard_id = 0; - -static gboolean includes_caps = FALSE; - -static void -do_switch (void) -{ - GVariant *sources; - gint i, n; - - /* FIXME: this is racy with the g-s-d media-keys plugin. Instead we - should have a DBus API on g-s-d and poke it from here.*/ - sources = g_settings_get_value (input_sources_settings, KEY_INPUT_SOURCES); - - n = g_variant_n_children (sources); - if (n < 2) - goto out; - - i = g_settings_get_uint (input_sources_settings, KEY_CURRENT_INPUT_SOURCE) + 1; - if (i >= n) - i = 0; - - g_settings_set_uint (input_sources_settings, KEY_CURRENT_INPUT_SOURCE, i); - - out: - g_variant_unref (sources); -} - -static void -init_keys (void) -{ - GSettings *settings; - - settings = g_settings_new (GSD_KEYBOARD_DIR); - - switch (g_settings_get_enum (settings, KEY_SWITCHER)) - { - case GSD_INPUT_SOURCES_SWITCHER_SHIFT_L: - n_keys = 1; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Shift_L; - the_keys[0].state = 0; - break; - - case GSD_INPUT_SOURCES_SWITCHER_ALT_L: - n_keys = 1; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Alt_L; - the_keys[0].state = 0; - break; - - case GSD_INPUT_SOURCES_SWITCHER_CTRL_L: - n_keys = 1; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Control_L; - the_keys[0].state = 0; - break; - - case GSD_INPUT_SOURCES_SWITCHER_SHIFT_R: - n_keys = 1; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Shift_R; - the_keys[0].state = 0; - break; - - case GSD_INPUT_SOURCES_SWITCHER_ALT_R: - n_keys = 2; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Alt_R; - the_keys[0].state = 0; - the_keys[1].keysym = GDK_KEY_ISO_Level3_Shift; - the_keys[1].state = 0; - break; - - case GSD_INPUT_SOURCES_SWITCHER_CTRL_R: - n_keys = 1; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Control_R; - the_keys[0].state = 0; - break; - - case GSD_INPUT_SOURCES_SWITCHER_ALT_SHIFT_L: - n_keys = 2; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Shift_L; - the_keys[0].state = GDK_MOD1_MASK; - the_keys[1].keysym = GDK_KEY_Alt_L; - the_keys[1].state = GDK_SHIFT_MASK; - break; - - case GSD_INPUT_SOURCES_SWITCHER_ALT_SHIFT_R: - n_keys = 4; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Shift_R; - the_keys[0].state = GDK_MOD1_MASK; - the_keys[1].keysym = GDK_KEY_Alt_R; - the_keys[1].state = GDK_SHIFT_MASK; - the_keys[2].keysym = GDK_KEY_Shift_R; - the_keys[2].state = GDK_MOD5_MASK; - the_keys[3].keysym = GDK_KEY_ISO_Level3_Shift; - the_keys[3].state = GDK_SHIFT_MASK; - break; - - case GSD_INPUT_SOURCES_SWITCHER_CTRL_SHIFT_L: - n_keys = 2; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Shift_L; - the_keys[0].state = GDK_CONTROL_MASK; - the_keys[1].keysym = GDK_KEY_Control_L; - the_keys[1].state = GDK_SHIFT_MASK; - break; - - case GSD_INPUT_SOURCES_SWITCHER_CTRL_SHIFT_R: - n_keys = 2; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Shift_R; - the_keys[0].state = GDK_CONTROL_MASK; - the_keys[1].keysym = GDK_KEY_Control_R; - the_keys[1].state = GDK_SHIFT_MASK; - break; - - case GSD_INPUT_SOURCES_SWITCHER_SHIFT_L_SHIFT_R: - n_keys = 2; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Shift_L; - the_keys[0].state = GDK_SHIFT_MASK; - the_keys[1].keysym = GDK_KEY_Shift_R; - the_keys[1].state = GDK_SHIFT_MASK; - break; - - case GSD_INPUT_SOURCES_SWITCHER_ALT_L_ALT_R: - n_keys = 4; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Alt_L; - the_keys[0].state = GDK_MOD1_MASK; - the_keys[1].keysym = GDK_KEY_Alt_R; - the_keys[1].state = GDK_MOD1_MASK; - the_keys[2].keysym = GDK_KEY_Alt_L; - the_keys[2].state = GDK_MOD5_MASK; - the_keys[3].keysym = GDK_KEY_ISO_Level3_Shift; - the_keys[3].state = GDK_MOD1_MASK; - break; - - case GSD_INPUT_SOURCES_SWITCHER_CTRL_L_CTRL_R: - n_keys = 2; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Control_L; - the_keys[0].state = GDK_CONTROL_MASK; - the_keys[1].keysym = GDK_KEY_Control_R; - the_keys[1].state = GDK_CONTROL_MASK; - break; - - case GSD_INPUT_SOURCES_SWITCHER_ALT_SHIFT: - n_keys = 7; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Shift_L; - the_keys[0].state = GDK_MOD1_MASK; - the_keys[1].keysym = GDK_KEY_Shift_L; - the_keys[1].state = GDK_MOD5_MASK; - the_keys[2].keysym = GDK_KEY_Shift_R; - the_keys[2].state = GDK_MOD1_MASK; - the_keys[3].keysym = GDK_KEY_Shift_R; - the_keys[3].state = GDK_MOD5_MASK; - the_keys[4].keysym = GDK_KEY_Alt_L; - the_keys[4].state = GDK_SHIFT_MASK; - the_keys[5].keysym = GDK_KEY_Alt_R; - the_keys[5].state = GDK_SHIFT_MASK; - the_keys[6].keysym = GDK_KEY_ISO_Level3_Shift; - the_keys[6].state = GDK_SHIFT_MASK; - break; - - case GSD_INPUT_SOURCES_SWITCHER_CTRL_SHIFT: - n_keys = 4; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Shift_L; - the_keys[0].state = GDK_CONTROL_MASK; - the_keys[1].keysym = GDK_KEY_Shift_R; - the_keys[1].state = GDK_CONTROL_MASK; - the_keys[2].keysym = GDK_KEY_Control_L; - the_keys[2].state = GDK_SHIFT_MASK; - the_keys[3].keysym = GDK_KEY_Control_R; - the_keys[3].state = GDK_SHIFT_MASK; - break; - - case GSD_INPUT_SOURCES_SWITCHER_ALT_CTRL: - n_keys = 7; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Control_L; - the_keys[0].state = GDK_MOD1_MASK; - the_keys[1].keysym = GDK_KEY_Control_L; - the_keys[1].state = GDK_MOD5_MASK; - the_keys[2].keysym = GDK_KEY_Control_R; - the_keys[2].state = GDK_MOD1_MASK; - the_keys[3].keysym = GDK_KEY_Control_R; - the_keys[3].state = GDK_MOD5_MASK; - the_keys[4].keysym = GDK_KEY_Alt_L; - the_keys[4].state = GDK_CONTROL_MASK; - the_keys[5].keysym = GDK_KEY_Alt_R; - the_keys[5].state = GDK_CONTROL_MASK; - the_keys[6].keysym = GDK_KEY_ISO_Level3_Shift; - the_keys[6].state = GDK_CONTROL_MASK; - break; - - case GSD_INPUT_SOURCES_SWITCHER_CAPS: - includes_caps = TRUE; - n_keys = 1; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Caps_Lock; - the_keys[0].state = 0; - break; - - case GSD_INPUT_SOURCES_SWITCHER_SHIFT_CAPS: - includes_caps = TRUE; - n_keys = 3; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Caps_Lock; - the_keys[0].state = GDK_SHIFT_MASK; - the_keys[1].keysym = GDK_KEY_Shift_L; - the_keys[1].state = GDK_LOCK_MASK; - the_keys[2].keysym = GDK_KEY_Shift_R; - the_keys[2].state = GDK_LOCK_MASK; - break; - - case GSD_INPUT_SOURCES_SWITCHER_ALT_CAPS: - includes_caps = TRUE; - n_keys = 5; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Caps_Lock; - the_keys[0].state = GDK_MOD1_MASK; - the_keys[1].keysym = GDK_KEY_Caps_Lock; - the_keys[1].state = GDK_MOD5_MASK; - the_keys[2].keysym = GDK_KEY_Alt_L; - the_keys[2].state = GDK_LOCK_MASK; - the_keys[3].keysym = GDK_KEY_Alt_R; - the_keys[3].state = GDK_LOCK_MASK; - the_keys[4].keysym = GDK_KEY_ISO_Level3_Shift; - the_keys[4].state = GDK_LOCK_MASK; - break; - - case GSD_INPUT_SOURCES_SWITCHER_CTRL_CAPS: - includes_caps = TRUE; - n_keys = 3; - the_keys = g_new0 (Key, n_keys); - - the_keys[0].keysym = GDK_KEY_Caps_Lock; - the_keys[0].state = GDK_CONTROL_MASK; - the_keys[1].keysym = GDK_KEY_Control_L; - the_keys[1].state = GDK_LOCK_MASK; - the_keys[2].keysym = GDK_KEY_Control_R; - the_keys[2].state = GDK_LOCK_MASK; - break; - } - - g_object_unref (settings); -} - -static void -free_keys (void) -{ - gint i; - - for (i = 0; i < n_keys; ++i) - g_free (the_keys[i].keycodes); - - g_free (the_keys); -} - -static gboolean -match_caps_locked (const Key *key, - XIDeviceEvent *xev) -{ - if (key->state & xev->mods.effective && - key->keysym == XkbKeycodeToKeysym (xev->display, xev->detail, 0, 0)) - return TRUE; - - return FALSE; -} - -static gboolean -match_modifier (const Key *key, - XIEvent *xiev) -{ - Key meta; - - /* When the grab is established with Caps Lock as the modifier - (i.e. key->state == GDK_LOCK_MASK) we can't use match_xi2_key() - as this modifier is black listed there, so we do the match - ourselves. */ - if (key->state == GDK_LOCK_MASK) - return match_caps_locked (key, (XIDeviceEvent *) xiev); - - meta = *key; - - switch (key->keysym) - { - case GDK_KEY_Shift_L: - case GDK_KEY_Shift_R: - if (xiev->evtype == XI_KeyRelease) - meta.state |= GDK_SHIFT_MASK; - break; - - case GDK_KEY_Control_L: - case GDK_KEY_Control_R: - if (xiev->evtype == XI_KeyRelease) - meta.state |= GDK_CONTROL_MASK; - break; - - case GDK_KEY_ISO_Level3_Shift: - if (xiev->evtype == XI_KeyRelease) - meta.state |= GDK_MOD5_MASK; - break; - - case GDK_KEY_Alt_L: - case GDK_KEY_Alt_R: - if (key->state == GDK_SHIFT_MASK) - meta.keysym = key->keysym == GDK_KEY_Alt_L ? GDK_KEY_Meta_L : GDK_KEY_Meta_R; - - if (xiev->evtype == XI_KeyRelease) - meta.state |= GDK_MOD1_MASK; - break; - } - - return match_xi2_key (&meta, (XIDeviceEvent *) xiev); -} - -static gboolean -matches_key (XIEvent *xiev) -{ - gint i; - - for (i = 0; i < n_keys; ++i) - if (match_modifier (&the_keys[i], xiev)) - return TRUE; - - return FALSE; -} - -/* Owen magic, ported to XI2 */ -static GdkFilterReturn -filter (XEvent *xevent, - GdkEvent *event, - gpointer data) -{ - XIEvent *xiev; - XIDeviceEvent *xev; - XIGrabModifiers mods; - XIEventMask evmask; - unsigned char mask[(XI_LASTEVENT + 7)/8] = { 0 }; - - if (xevent->type != GenericEvent) - return GDK_FILTER_CONTINUE; - - xiev = (XIEvent *) xevent->xcookie.data; - - if (xiev->evtype != XI_ButtonPress && - xiev->evtype != XI_KeyPress && - xiev->evtype != XI_KeyRelease) - return GDK_FILTER_CONTINUE; - - xev = (XIDeviceEvent *) xiev; - - mods.modifiers = XIAnyModifier; - XISetMask (mask, XI_ButtonPress); - evmask.deviceid = XIAllMasterDevices; - evmask.mask_len = sizeof (mask); - evmask.mask = mask; - - if (xiev->evtype != XI_ButtonPress && - matches_key (xiev)) - { - if (xiev->evtype == XI_KeyPress) - { - if (includes_caps) - { - do_switch (); - XIUngrabDevice (xev->display, - master_keyboard_id, - xev->time); - XkbLockModifiers (xev->display, XkbUseCoreKbd, LockMask, 0); - } - else - { - XIAllowEvents (xev->display, - xev->deviceid, - XISyncDevice, - xev->time); - XIGrabButton (xev->display, - XIAllMasterDevices, - XIAnyButton, - xev->root, - None, - GrabModeSync, - GrabModeSync, - False, - &evmask, - 1, - &mods); - } - } - else - { - do_switch (); - XIUngrabDevice (xev->display, - master_keyboard_id, - xev->time); - XIUngrabButton (xev->display, - XIAllMasterDevices, - XIAnyButton, - xev->root, - 1, - &mods); - } - } - else - { - XIAllowEvents (xev->display, - xev->deviceid, - XIReplayDevice, - xev->time); - XIUngrabDevice (xev->display, - master_keyboard_id, - xev->time); - XIUngrabButton (xev->display, - XIAllMasterDevices, - XIAnyButton, - xev->root, - 1, - &mods); - } - - return GDK_FILTER_CONTINUE; -} - -static void -grab_key (Key *key, - GdkDisplay *display, - GSList *screens) -{ - GdkKeymapKey *keys; - gboolean has_entries; - GArray *keycodes; - gint n, i; - - has_entries = gdk_keymap_get_entries_for_keyval (gdk_keymap_get_default (), - key->keysym, - &keys, - &n); - if (!has_entries) - return; - - keycodes = g_array_sized_new (TRUE, TRUE, sizeof (guint), n); - for (i = 0; i < n; ++i) - g_array_append_val (keycodes, keys[i].keycode); - - key->keycodes = (guint *) g_array_free (keycodes, FALSE); - - gdk_x11_display_error_trap_push (display); - - grab_key_unsafe (key, GSD_KEYGRAB_ALLOW_UNMODIFIED | GSD_KEYGRAB_SYNCHRONOUS, screens); - - gdk_x11_display_error_trap_pop_ignored (display); - - g_free (keys); -} - -static guint -get_master_keyboard_id (GdkDisplay *display) -{ - XIDeviceInfo *info; - guint id; - int i, n; - - id = 0; - info = XIQueryDevice (GDK_DISPLAY_XDISPLAY (display), XIAllMasterDevices, &n); - for (i = 0; i < n; ++i) - if (info[i].use == XIMasterKeyboard && info[i].enabled) - { - id = info[i].deviceid; - break; - } - XIFreeDeviceInfo (info); - - return id; -} - -static void -set_input_sources_switcher (void) -{ - GdkDisplay *display; - gint n_screens; - GSList *screens, *l; - gint i; - - display = gdk_display_get_default (); - n_screens = gdk_display_get_n_screens (display); - screens = NULL; - for (i = 0; i < n_screens; ++i) - screens = g_slist_prepend (screens, gdk_display_get_screen (display, i)); - - for (i = 0; i < n_keys; ++i) - grab_key (&the_keys[i], display, screens); - - for (l = screens; l; l = l->next) - { - GdkScreen *screen; - - screen = (GdkScreen *) l->data; - gdk_window_add_filter (gdk_screen_get_root_window (screen), - (GdkFilterFunc) filter, - screen); - } - - g_slist_free (screens); - - master_keyboard_id = get_master_keyboard_id (display); -} - -int -main (int argc, char *argv[]) -{ - gtk_init (&argc, &argv); - - init_keys (); - if (n_keys == 0) - { - g_warning ("No shortcut defined, exiting"); - return -1; - } - input_sources_settings = g_settings_new (GNOME_DESKTOP_INPUT_SOURCES_DIR); - - set_input_sources_switcher (); - gtk_main (); - - g_object_unref (input_sources_settings); - free_keys (); - - return 0; -} |