mouse: add input helper from m-s-d

same as done upstream: https://git.gnome.org/browse/gnome-control-center/commit/?id=741723eaf86d9e68ae979b960eb2da3cf4b331d1
author: monsta <[email protected]> 2017-01-03 21:20:15 +0300
committer: monsta <[email protected]> 2017-01-20 11:31:59 +0300
commit: 678aa95188f518c05169084d04aa31e49035ee6b (patch)
tree: cb06949817bfe7385c1fb561529e550b964218b7 /capplets
parent: e8d39ba75e525b6945567c5a187076d70f83b2c8 (diff)
download: mate-control-center-678aa95188f518c05169084d04aa31e49035ee6b.tar.bz2
mate-control-center-678aa95188f518c05169084d04aa31e49035ee6b.tar.xz
3 files changed, 160 insertions, 1 deletions
diff --git a/capplets/mouse/Makefile.am b/capplets/mouse/Makefile.am
index 72d10297..1e413215 100644
--- a/capplets/mouse/Makefile.am
+++ b/capplets/mouse/Makefile.am
@@ -5,7 +5,9 @@ bin_PROGRAMS = mate-mouse-properties
 
 mate_mouse_properties_LDADD = $(MATECC_CAPPLETS_LIBS)
 mate_mouse_properties_SOURCES = \
- mate-mouse-properties.c
+ mate-mouse-properties.c \
+ msd-input-helper.c \
+ msd-input-helper.h
 
 @INTLTOOL_DESKTOP_RULE@
 
diff --git a/capplets/mouse/msd-input-helper.c b/capplets/mouse/msd-input-helper.c
new file mode 100644
index 00000000..ae64b0d2
--- /dev/null
+++ b/capplets/mouse/msd-input-helper.c
@@ -0,0 +1,121 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2010 Bastien Nocera <[email protected]>
+ *
+ * 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 <sys/types.h>
+#include <X11/Xatom.h>
+
+#include "msd-input-helper.h"
+
+gboolean
+supports_xinput_devices (void)
+{
+ gint op_code, event, error;
+
+ return XQueryExtension (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
+ "XInputExtension",
+ &op_code,
+ &event,
+ &error);
+}
+
+static gboolean
+device_has_property (XDevice *device,
+ const char *property_name)
+{
+ Atom realtype, prop;
+ int realformat;
+ unsigned long nitems, bytes_after;
+ unsigned char *data;
+
+ prop = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), property_name, True);
+ if (!prop)
+ return FALSE;
+
+ 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)) {
+ gdk_error_trap_pop_ignored ();
+ XFree (data);
+ return TRUE;
+ }
+
+ gdk_error_trap_pop_ignored ();
+ return FALSE;
+}
+
+XDevice*
+device_is_touchpad (XDeviceInfo *deviceinfo)
+{
+ XDevice *device;
+
+ if (deviceinfo->type != XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), XI_TOUCHPAD, True))
+ 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;
+
+ if (device_has_property (device, "libinput Tapping Enabled") ||
+ device_has_property (device, "Synaptics Off")) {
+ return device;
+ }
+
+ 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;
+}
diff --git a/capplets/mouse/msd-input-helper.h b/capplets/mouse/msd-input-helper.h
new file mode 100644
index 00000000..e46c97e1
--- /dev/null
+++ b/capplets/mouse/msd-input-helper.h
@@ -0,0 +1,36 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2010 Bastien Nocera <[email protected]>
+ *
+ * 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.
+ */
+
+#ifndef __MSD_INPUT_HELPER_H
+#define __MSD_INPUT_HELPER_H
+
+G_BEGIN_DECLS
+
+#include <glib.h>
+
+#include <X11/extensions/XInput.h>
+#include <X11/extensions/XIproto.h>
+
+gboolean supports_xinput_devices (void);
+XDevice *device_is_touchpad (XDeviceInfo *deviceinfo);
+gboolean touchpad_is_present (void);
+
+G_END_DECLS
+
+#endif /* __MSD_INPUT_HELPER_H */
author	monsta <[email protected]>	2017-01-03 21:20:15 +0300
committer	monsta <[email protected]>	2017-01-20 11:31:59 +0300
commit	678aa95188f518c05169084d04aa31e49035ee6b (patch)
tree	cb06949817bfe7385c1fb561529e550b964218b7 /capplets
parent	e8d39ba75e525b6945567c5a187076d70f83b2c8 (diff)
download	mate-control-center-678aa95188f518c05169084d04aa31e49035ee6b.tar.bz2 mate-control-center-678aa95188f518c05169084d04aa31e49035ee6b.tar.xz