/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright (C) 2010 Bastien Nocera <hadess@hadess.net> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ #include "config.h" #include <gdk/gdk.h> #include <gdk/gdkx.h> #include <gtk/gtk.h> #include <sys/types.h> #include <X11/Xatom.h> #include "msd-input-helper.h" static gboolean supports_xinput_devices (void) { gint op_code, event, error; return XQueryExtension (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), "XInputExtension", &op_code, &event, &error); } XDevice* device_is_touchpad (XDeviceInfo deviceinfo) { XDevice *device; Atom realtype, prop; int realformat; unsigned long nitems, bytes_after; unsigned char *data; if (deviceinfo.type != XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), XI_TOUCHPAD, False)) return NULL; prop = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), "Synaptics Off", False); if (!prop) return NULL; gdk_error_trap_push (); device = XOpenDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), deviceinfo.id); if (gdk_error_trap_pop () || (device == NULL)) return NULL; gdk_error_trap_push (); if ((XGetDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device, prop, 0, 1, False, XA_INTEGER, &realtype, &realformat, &nitems, &bytes_after, &data) == Success) && (realtype != None)) { #if GTK_CHECK_VERSION (3, 0, 0) gdk_error_trap_pop_ignored (); #else gdk_error_trap_pop (); #endif XFree (data); return device; } #if GTK_CHECK_VERSION (3, 0, 0) gdk_error_trap_pop_ignored (); #else gdk_error_trap_pop (); #endif XCloseDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device); return NULL; } gboolean touchpad_is_present (void) { XDeviceInfo *device_info; gint n_devices; guint i; gboolean retval; if (supports_xinput_devices () == FALSE) return TRUE; retval = FALSE; device_info = XListInputDevices (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &n_devices); if (device_info == NULL) return FALSE; for (i = 0; i < n_devices; i++) { XDevice *device; device = device_is_touchpad (device_info[i]); if (device != NULL) { retval = TRUE; break; } } if (device_info != NULL) XFreeDeviceList (device_info); return retval; }