300 lines
9.4 KiB
C
300 lines
9.4 KiB
C
/* gnome-settings-keyboard.c
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*
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* Copyright © 2001 Ximian, Inc.
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*
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* Written by Bradford Hovinen <hovinen@ximian.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#include "config.h"
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#include <gdk/gdk.h>
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#include <gdk/gdkx.h>
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#include <gconf/gconf-client.h>
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#include "gnome-settings-accessibility-keyboard.h"
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#include "gnome-settings-daemon.h"
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#ifdef HAVE_X11_EXTENSIONS_XKB_H
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# include <X11/XKBlib.h>
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# include <X11/extensions/XKBstr.h>
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#define CONFIG_ROOT "/desktop/gnome/accesibility/keyboard"
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static gboolean we_are_changing_xkb_state = FALSE;
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static int
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get_int (GConfClient *client, char const *key)
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{
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int res = gconf_client_get_int (client, key, NULL);
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if (res <= 0)
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res = 1;
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return res;
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}
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static void
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set_int (GConfClient *client, char const *key, int val)
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{
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GError *err;
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if (!gconf_client_set_int (client, key, val, &err)) {
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g_warning (err->message);
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g_error_free (err);
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}
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}
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static void
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set_bool (GConfClient *client, char const *key, int val)
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{
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GError *err;
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if (!gconf_client_set_bool (client, key, val ? TRUE : FALSE, &err)) {
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g_warning (err->message);
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g_error_free (err);
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}
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}
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static void
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set_server_from_gconf (GConfEntry *ignored)
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{
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unsigned long which;
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gint32 enabled, enable_mask;
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XkbDescRec *desc;
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GConfClient *client = gconf_client_get_default ();
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if (!we_are_changing_xkb_state) {
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fprintf (stderr, "We changed gconf accessibility state\n");
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return;
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} else
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fprintf (stderr, "Someone changed gcond accessibility state\n");
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enable_mask = XkbAccessXKeysMask |
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XkbSlowKeysMask |
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XkbBounceKeysMask |
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XkbStickyKeysMask |
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XkbMouseKeysMask |
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XkbMouseKeysAccelMask |
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XkbAccessXKeysMask |
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XkbAccessXTimeoutMask |
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XkbAccessXFeedbackMask;
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enabled = XkbAccessXFeedbackMask;
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desc = XkbGetMap(GDK_DISPLAY (), 0, XkbUseCoreKbd);
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XkbGetControls (GDK_DISPLAY (), XkbAllControlsMask, desc);
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desc->ctrls->ax_options = XkbAX_LatchToLockMask;
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/* general */
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if (gconf_client_get_bool (client, CONFIG_ROOT "/enable", NULL))
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enabled |= XkbAccessXKeysMask;
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if (gconf_client_get_bool (client, CONFIG_ROOT "/feature_state_change_beep", NULL))
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desc->ctrls->ax_options |= XkbAX_FeatureFBMask | XkbAX_SlowWarnFBMask;
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if (gconf_client_get_bool (client, CONFIG_ROOT "/timeout_enable", NULL))
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enabled |= XkbAccessXTimeoutMask;
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desc->ctrls->ax_timeout = get_int (client,
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CONFIG_ROOT "/timeout");
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/* bounce keys */
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if (gconf_client_get_bool (client, CONFIG_ROOT "/bouncekeys_enable", NULL))
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enabled |= XkbBounceKeysMask;
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if (gconf_client_get_bool (client, CONFIG_ROOT "/bouncekeys_beep_reject", NULL))
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enabled |= XkbAX_BKRejectFBMask;
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desc->ctrls->debounce_delay = get_int (client,
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CONFIG_ROOT "/bouncekeys_delay");
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/* mouse keys */
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if (gconf_client_get_bool (client, CONFIG_ROOT "/mousekeys_enable", NULL))
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enabled |= XkbMouseKeysMask;
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desc->ctrls->mk_interval = 10;
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desc->ctrls->mk_curve = 50;
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desc->ctrls->mk_max_speed = get_int (client,
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CONFIG_ROOT "/mousekeys_max_speed");
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desc->ctrls->mk_time_to_max = get_int (client,
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CONFIG_ROOT "/mousekeys_accel_time");
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desc->ctrls->mk_delay = get_int (client,
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CONFIG_ROOT "/mousekeys_init_delay");
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/* slow keys */
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if (gconf_client_get_bool (client, CONFIG_ROOT "/slowkeys_enable", NULL))
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enabled |= XkbSlowKeysMask;
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if (gconf_client_get_bool (client, CONFIG_ROOT "/slowkeys_beep_press", NULL))
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desc->ctrls->ax_options |= XkbAX_SKPressFBMask;
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if (gconf_client_get_bool (client, CONFIG_ROOT "/slowkeys_beep_accept", NULL))
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desc->ctrls->ax_options |= XkbAX_SKAcceptFBMask;
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if (gconf_client_get_bool (client, CONFIG_ROOT "/slowkeys_beep_reject", NULL))
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enabled |= XkbAX_SKRejectFBMask;
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desc->ctrls->slow_keys_delay = get_int (client,
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CONFIG_ROOT "/slowkeys_delay");
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/* sticky keys */
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if (gconf_client_get_bool (client, CONFIG_ROOT "/stickykeys_enable", NULL))
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enabled |= XkbStickyKeysMask;
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if (gconf_client_get_bool (client, CONFIG_ROOT "/stickykeys_two_key_off", NULL))
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desc->ctrls->ax_options |= XkbAX_TwoKeysMask;
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if (gconf_client_get_bool (client, CONFIG_ROOT "/stickykeys_modifier_beep", NULL))
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desc->ctrls->ax_options |= XkbAX_StickyKeysFBMask;
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/* toggle keys */
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if (gconf_client_get_bool (client, CONFIG_ROOT "/togglekeys_enable", NULL))
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desc->ctrls->ax_options |= XkbAX_IndicatorFBMask;
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desc->ctrls->enabled_ctrls &= ~enable_mask;
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desc->ctrls->enabled_ctrls |= (enable_mask & enabled);
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/* guard against reloading gconf when the X server notices that the XKB
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* state has changed and calls us.
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*/
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g_return_if_fail (!we_are_changing_xkb_state);
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which = XkbAccessXKeysMask | XkbAccessXTimeoutMask |
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XkbControlsEnabledMask |
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XkbMouseKeysMask | XkbMouseKeysAccelMask |
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XkbSlowKeysMask | XkbBounceKeysMask;
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we_are_changing_xkb_state = TRUE;
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XkbSetControls (GDK_DISPLAY (), which, desc);
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XFlush (GDK_DISPLAY ());
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we_are_changing_xkb_state = FALSE;
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}
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static void
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set_gconf_from_server (GConfEntry *ignored)
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{
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XkbDescRec *desc;
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GConfClient *client = gconf_client_get_default ();
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desc = XkbGetMap(GDK_DISPLAY (), 0, XkbUseCoreKbd);
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XkbGetControls (GDK_DISPLAY (), XkbAllControlsMask, desc);
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desc->ctrls->ax_options = XkbAX_LatchToLockMask;
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/* guard against reloading the server when gconf notices that the state
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* has changed and calls us.
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*/
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g_return_if_fail (!we_are_changing_xkb_state);
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we_are_changing_xkb_state = TRUE;
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set_bool (client, CONFIG_ROOT "/enable",
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desc->ctrls->enabled_ctrls & XkbAccessXKeysMask);
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set_bool (client, CONFIG_ROOT "/feature_state_change_beep",
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desc->ctrls->ax_options & (XkbAX_FeatureFBMask | XkbAX_SlowWarnFBMask));
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set_bool (client, CONFIG_ROOT "/timeout_enable",
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desc->ctrls->enabled_ctrls & XkbAccessXTimeoutMask);
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set_int (client, CONFIG_ROOT "/timeout",
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desc->ctrls->ax_timeout);
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set_bool (client, CONFIG_ROOT "/bouncekeys_enable",
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desc->ctrls->enabled_ctrls & XkbBounceKeysMask);
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set_int (client, CONFIG_ROOT "/bouncekeys_delay",
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desc->ctrls->debounce_delay);
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set_bool (client, CONFIG_ROOT "/bouncekeys_beep_reject",
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desc->ctrls->enabled_ctrls & XkbAX_BKRejectFBMask);
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set_bool (client, CONFIG_ROOT "/mousekeys_enable",
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desc->ctrls->enabled_ctrls & XkbMouseKeysMask);
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set_int (client, CONFIG_ROOT "/mousekeys_max_speed",
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desc->ctrls->mk_max_speed);
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set_int (client, CONFIG_ROOT "/mousekeys_accel_time",
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desc->ctrls->mk_time_to_max);
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set_int (client, CONFIG_ROOT "/mousekeys_init_delay",
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desc->ctrls->mk_delay);
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set_bool (client, CONFIG_ROOT "/slowkeys_enable",
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desc->ctrls->enabled_ctrls & XkbSlowKeysMask);
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set_bool (client, CONFIG_ROOT "/slowkeys_beep_press",
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desc->ctrls->ax_options & XkbAX_SKPressFBMask);
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set_bool (client, CONFIG_ROOT "/slowkeys_beep_accept",
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desc->ctrls->ax_options & XkbAX_SKAcceptFBMask);
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set_bool (client, CONFIG_ROOT "/slowkeys_beep_reject",
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desc->ctrls->enabled_ctrls & XkbAX_SKRejectFBMask);
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set_int (client, CONFIG_ROOT "/slowkeys_delay",
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desc->ctrls->slow_keys_delay);
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set_bool (client, CONFIG_ROOT "/stickykeys_enable",
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desc->ctrls->enabled_ctrls & XkbStickyKeysMask);
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set_bool (client, CONFIG_ROOT "/stickykeys_two_key_off",
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desc->ctrls->ax_options & XkbAX_TwoKeysMask);
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set_bool (client, CONFIG_ROOT "/stickykeys_modifier_beep",
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desc->ctrls->ax_options & XkbAX_StickyKeysFBMask);
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set_bool (client, CONFIG_ROOT "/togglekeys_enable",
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desc->ctrls->ax_options & XkbAX_IndicatorFBMask);
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we_are_changing_xkb_state = FALSE;
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}
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static int xkbEventBase;
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static GdkFilterReturn
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cb_xkb_event_filter (GdkXEvent *xevent, GdkEvent *event, gpointer user)
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{
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XEvent *xev = (XEvent *)xevent;
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if (xev->xany.type == (xkbEventBase + XkbEventCode)) {
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XkbEvent *xkbEv = (XkbEvent *) event;
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fprintf (stderr, "xkb event\n");
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if(xkbEv->any.xkb_type == XkbControlsNotify) {
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if (!we_are_changing_xkb_state) {
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fprintf (stderr, "Someone changed XKB state\n");
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set_gconf_from_server (NULL);
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} else
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fprintf (stderr, "We changed XKB state\n");
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}
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return GDK_FILTER_REMOVE;
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}
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return GDK_FILTER_CONTINUE;
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}
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/**
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* gnome_settings_accessibility_keyboard_init :
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*
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* If the display supports XKB initialize it.
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*/
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void
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gnome_settings_accessibility_keyboard_init (GConfClient *client)
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{
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int opcode, errorBase, major, minor;
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if (!XkbQueryExtension (GDK_DISPLAY (),
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&opcode, &xkbEventBase, &errorBase, &major, &minor) ||
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!XkbUseExtension (GDK_DISPLAY (), &major, &minor))
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return;
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XkbSelectEvents (GDK_DISPLAY (),
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XkbUseCoreKbd, XkbAllEventsMask, XkbAllEventsMask);
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gdk_window_add_filter (NULL, &cb_xkb_event_filter, NULL);
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gnome_settings_daemon_register_callback (CONFIG_ROOT, &set_server_from_gconf);
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}
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void
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gnome_settings_accessibility_keyboard_load (GConfClient *client)
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{
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set_server_from_gconf (NULL);
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}
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#else
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void
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gnome_settings_accessibility_keyboard_init (GConfClient *client)
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{
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g_warning ("Unsupported in this build");
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}
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void
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gnome_settings_accessibility_keyboard_load (GConfClient *client)
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{
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g_warning ("Unsupported in this build");
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}
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#endif
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