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/* -*- 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include <string.h>
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include <sys/types.h>
#include <X11/Xatom.h>
#include <X11/extensions/XInput2.h>
#include "gsd-input-helper.h"
#include "gsd-device-manager.h"
static gboolean
device_type_is_present (GsdDeviceType type)
{
g_autoptr(GList) l = gsd_device_manager_list_devices (gsd_device_manager_get (),
type);
return l != NULL;
}
gboolean
touchscreen_is_present (void)
{
return device_type_is_present (GSD_DEVICE_TYPE_TOUCHSCREEN);
}
gboolean
touchpad_is_present (void)
{
return device_type_is_present (GSD_DEVICE_TYPE_TOUCHPAD);
}
gboolean
mouse_is_present (void)
{
return device_type_is_present (GSD_DEVICE_TYPE_MOUSE);
}
char *
xdevice_get_device_node (int deviceid)
{
GdkDisplay *display;
Atom prop;
Atom act_type;
int act_format;
unsigned long nitems, bytes_after;
unsigned char *data;
char *ret;
display = gdk_display_get_default ();
gdk_display_sync (display);
prop = XInternAtom (GDK_DISPLAY_XDISPLAY (display), "Device Node", False);
if (!prop)
return NULL;
gdk_x11_display_error_trap_push (display);
if (!XIGetProperty (GDK_DISPLAY_XDISPLAY (display),
deviceid, prop, 0, 1000, False,
AnyPropertyType, &act_type, &act_format,
&nitems, &bytes_after, &data) == Success) {
gdk_x11_display_error_trap_pop_ignored (display);
return NULL;
}
if (gdk_x11_display_error_trap_pop (display))
goto out;
if (nitems == 0)
goto out;
if (act_type != XA_STRING)
goto out;
/* Unknown string format */
if (act_format != 8)
goto out;
ret = g_strdup ((char *) data);
XFree (data);
return ret;
out:
XFree (data);
return NULL;
}
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