cd185dae21
2002-05-30 Jody Goldberg <jody@gnome.org> * gnome-settings-keyboard.c (xkb_set_keyboard_autorepeat_rate) : Add some bounds checking.
157 lines
4.7 KiB
C
157 lines
4.7 KiB
C
/* -*- mode: c; style: linux -*- */
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/* 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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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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-keyboard.h"
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#include "gnome-settings-daemon.h"
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#ifdef HAVE_X11_EXTENSIONS_XF86MISC_H
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# include <X11/extensions/xf86misc.h>
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#endif
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#ifdef HAVE_X11_EXTENSIONS_XKB_H
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#include <X11/XKBlib.h>
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#endif
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#include <string.h>
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#ifdef HAVE_X11_EXTENSIONS_XF86MISC_H
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static gboolean
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xfree86_set_keyboard_autorepeat_rate (int delay, int rate)
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{
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gboolean res = FALSE;
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int event_base_return, error_base_return;
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if (XF86MiscQueryExtension (GDK_DISPLAY (),
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&event_base_return,
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&error_base_return) == True)
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{
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/* load the current settings */
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XF86MiscKbdSettings kbdsettings;
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XF86MiscGetKbdSettings (GDK_DISPLAY (), &kbdsettings);
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/* assign the new values */
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kbdsettings.delay = delay;
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kbdsettings.rate = rate;
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XF86MiscSetKbdSettings (GDK_DISPLAY (), &kbdsettings);
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res = TRUE;
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}
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return res;
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}
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#endif /* HAVE_X11_EXTENSIONS_XF86MISC_H */
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#ifdef HAVE_X11_EXTENSIONS_XKB_H
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static gboolean
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xkb_set_keyboard_autorepeat_rate (int delay, int rate)
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{
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int interval = (rate <= 0) ? 1000000 : 1000/rate;
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if (delay <= 0) delay = 1;
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return XkbSetAutoRepeatRate (GDK_DISPLAY (), XkbUseCoreKbd,
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delay, interval);
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}
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#endif
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static void
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apply_settings (void)
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{
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GConfClient *client;
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gboolean repeat, click;
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int rate, delay;
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int click_volume, bell_volume, bell_pitch, bell_duration;
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const char *volume_string;
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XKeyboardControl kbdcontrol;
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client = gconf_client_get_default ();
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repeat = gconf_client_get_bool (client, "/desktop/gnome/peripherals/keyboard/repeat", NULL);
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click = gconf_client_get_bool (client, "/desktop/gnome/peripherals/keyboard/click", NULL);
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rate = gconf_client_get_int (client, "/desktop/gnome/peripherals/keyboard/rate", NULL);
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delay = gconf_client_get_int (client, "/desktop/gnome/peripherals/keyboard/delay", NULL);
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click_volume = gconf_client_get_int (client, "/desktop/gnome/peripherals/keyboard/click_volume", NULL);
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#if 0
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bell_volume = gconf_client_get_int (client, "/desktop/gnome/peripherals/keyboard/bell_volume", NULL);
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#endif
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bell_pitch = gconf_client_get_int (client, "/desktop/gnome/peripherals/keyboard/bell_pitch", NULL);
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bell_duration = gconf_client_get_int (client, "/desktop/gnome/peripherals/keyboard/bell_duration", NULL);
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volume_string = gconf_client_get_string (client, "/desktop/gnome/peripherals/keyboard/bell_mode", NULL);
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bell_volume = (volume_string && !strcmp (volume_string, "on")) ? 50 : 0;
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gdk_error_trap_push ();
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if (repeat) {
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gboolean rate_set = FALSE;
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XAutoRepeatOn (GDK_DISPLAY ());
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/* Use XKB in preference */
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#if defined (HAVE_X11_EXTENSIONS_XKB_H)
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rate_set = xkb_set_keyboard_autorepeat_rate (delay, rate);
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#endif
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#ifdef HAVE_X11_EXTENSIONS_XF86MISC_H
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if (!rate_set)
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rate_set = xfree86_set_keyboard_autorepeat_rate (delay, rate);
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#endif
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if (!rate_set)
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g_warning ("Neither XKeyboard not Xfree86's keyboard extensions are available,\n"
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"no way to support keyboard autorepeat rate settings");
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} else
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XAutoRepeatOff (GDK_DISPLAY ());
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/* as percentage from 0..100 inclusive */
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if (click_volume < 0)
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click_volume = 0;
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else if (click_volume > 100)
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click_volume = 100;
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kbdcontrol.key_click_percent = click ? click_volume : 0;
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kbdcontrol.bell_percent = bell_volume;
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kbdcontrol.bell_pitch = bell_pitch;
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kbdcontrol.bell_duration = bell_duration;
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XChangeKeyboardControl (GDK_DISPLAY (),
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KBKeyClickPercent | KBBellPercent | KBBellPitch | KBBellDuration,
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&kbdcontrol);
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XSync (GDK_DISPLAY (), FALSE);
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gdk_error_trap_pop ();
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}
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void
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gnome_settings_keyboard_init (GConfClient *client)
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{
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gnome_settings_daemon_register_callback ("/desktop/gnome/peripherals/keyboard", (KeyCallbackFunc) apply_settings);
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}
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void
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gnome_settings_keyboard_load (GConfClient *client)
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{
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apply_settings ();
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}
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