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x11: Detect libinput touchpads

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These aren't reported as XIDependentTouch devices, so make it poke a
property that's specific to touchpads managed by the libinput driver.
This commit is contained in:
Carlos Garnacho 2015-02-01 12:08:04 +01:00
parent 64f26db038
commit 6f07d5e761
1 changed files with 28 additions and 0 deletions
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28
gdk/x11/gdkdevicemanager-xi2.c
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@ -334,6 +334,32 @@ get_device_ids (GdkDisplay *display,
return TRUE;
}
static gboolean
is_touchpad_device (GdkDisplay *display,
XIDeviceInfo *info)
{
gulong nitems, bytes_after;
guint32 *data;
int rc, format;
Atom type;
gdk_x11_display_error_trap_push (display);
rc = XIGetProperty (GDK_DISPLAY_XDISPLAY (display),
info->deviceid,
gdk_x11_get_xatom_by_name_for_display (display, "libinput Tapping Enabled"),
0, 1, False, XA_INTEGER, &type, &format, &nitems, &bytes_after,
(guchar **) &data);
gdk_x11_display_error_trap_pop_ignored (display);
if (rc != Success || type != XA_INTEGER || format != 8 || nitems != 1)
return FALSE;
XFree (data);
return TRUE;
}
static GdkDevice *
create_device (GdkDeviceManager *device_manager,
GdkDisplay *display,
@ -349,6 +375,8 @@ create_device (GdkDeviceManager *device_manager,
if (dev->use == XIMasterKeyboard || dev->use == XISlaveKeyboard)
input_source = GDK_SOURCE_KEYBOARD;
else if (is_touchpad_device (display, dev))
input_source = GDK_SOURCE_TOUCHPAD;
else if (dev->use == XISlavePointer &&
is_touch_device (dev->classes, dev->num_classes, &touch_source, &num_touches))
input_source = touch_source;