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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright 2015 Red Hat, Inc,
*
* 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/>.
*
* Author: Felipe Borges <feborges@redhat.com>
*/
#include <gdk/x11/gdkx.h>
#include <X11/Xatom.h>
#include <X11/extensions/XInput2.h>
#include "cc-mouse-caps-helper.h"
static gboolean
touchpad_check_capabilities_x11 (gboolean *have_two_finger_scrolling,
gboolean *have_edge_scrolling,
gboolean *have_tap_to_click)
{
GdkDisplay *gdisplay;
Display *display;
g_autoptr(GList) devicelist = NULL;
GList *l;
Atom realtype, prop_scroll_methods, prop_tapping_enabled;
int realformat;
unsigned long nitems, bytes_after;
unsigned char *data;
if (cc_synaptics_check ()) {
*have_two_finger_scrolling = TRUE;
*have_edge_scrolling = TRUE;
*have_tap_to_click = TRUE;
return TRUE;
}
gdisplay = gdk_display_get_default ();
display = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
prop_scroll_methods = XInternAtom (display, "libinput Scroll Methods Available", False);
prop_tapping_enabled = XInternAtom (display, "libinput Tapping Enabled", False);
if (!prop_scroll_methods || !prop_tapping_enabled)
return FALSE;
*have_two_finger_scrolling = FALSE;
*have_edge_scrolling = FALSE;
*have_tap_to_click = FALSE;
gdk_x11_display_error_trap_push (gdisplay);
devicelist = gdk_seat_get_devices (gdk_display_get_default_seat (gdk_display_get_default ()),
GDK_SEAT_CAPABILITY_ALL_POINTING);
for (l = devicelist; l != NULL; l = l->next) {
GdkDevice *device = l->data;
if (gdk_device_get_source (device) != GDK_SOURCE_TOUCHPAD)
continue;
/* xorg-x11-drv-libinput */
if ((XIGetProperty (display, gdk_x11_device_get_id (device), prop_scroll_methods,
0, 2, False, XA_INTEGER, &realtype, &realformat, &nitems,
&bytes_after, &data) == Success) && (realtype != None)) {
/* Property data is booleans for two-finger, edge, on-button scroll available. */
if (data[0])
*have_two_finger_scrolling = TRUE;
if (data[1])
*have_edge_scrolling = TRUE;
XFree (data);
}
if ((XIGetProperty (display, gdk_x11_device_get_id (device), prop_tapping_enabled,
0, 1, False, XA_INTEGER, &realtype, &realformat, &nitems,
&bytes_after, &data) == Success) && (realtype != None)) {
/* Property data is boolean for tapping enabled. */
*have_tap_to_click = TRUE;
XFree (data);
}
}
gdk_x11_display_error_trap_pop_ignored (gdisplay);
return TRUE;
}
gboolean
cc_touchpad_check_capabilities (gboolean *have_two_finger_scrolling,
gboolean *have_edge_scrolling,
gboolean *have_tap_to_click)
{
if (GDK_IS_X11_DISPLAY (gdk_display_get_default ()))
return touchpad_check_capabilities_x11 (have_two_finger_scrolling,
have_edge_scrolling,
have_tap_to_click);
/* else we unconditionally show all touchpad knobs */
*have_two_finger_scrolling = TRUE;
*have_edge_scrolling = TRUE;
*have_tap_to_click = TRUE;
return FALSE;
}
gboolean
cc_synaptics_check (void)
{
GdkDisplay *gdisplay;
Display *display;
g_autoptr(GList) devicelist = NULL;
GList *l;
Atom prop, realtype;
int realformat;
unsigned long nitems, bytes_after;
unsigned char *data;
gboolean have_synaptics = FALSE;
if (!GDK_IS_X11_DISPLAY (gdk_display_get_default ()))
return FALSE;
gdisplay = gdk_display_get_default ();
display = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
prop = XInternAtom (display, "Synaptics Capabilities", False);
gdk_x11_display_error_trap_push (gdisplay);
devicelist = gdk_seat_get_devices (gdk_display_get_default_seat (gdk_display_get_default ()),
GDK_SEAT_CAPABILITY_ALL_POINTING);
for (l = devicelist; l != NULL; l = l->next) {
GdkDevice *device = l->data;
if ((XIGetProperty (display, gdk_x11_device_get_id (device), prop,
0, 2, False, XA_INTEGER, &realtype, &realformat, &nitems,
&bytes_after, &data) == Success) && (realtype != None)) {
have_synaptics = TRUE;
XFree (data);
}
if (have_synaptics)
break;
}
gdk_x11_display_error_trap_pop_ignored (gdisplay);
return have_synaptics;
}
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