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xi2: Use GDK_SOURCE_TOUCH for multitouch devices

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Any device with a XITouchClassInfo with num_touches > 0
qualifies as multitouch.
This commit is contained in:
Carlos Garnacho
2011-10-27 22:30:14 +02:00
committed by Matthias Clasen
parent 605c7e161b
commit 9775183efb
1 changed files with 24 additions and 0 deletions
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24
gdk/x11/gdkdevicemanager-xi2.c
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@@ -251,6 +251,27 @@ translate_device_classes (GdkDisplay *display,
g_object_thaw_notify (G_OBJECT (device));
}
static gint
count_device_touches (XIAnyClassInfo **classes,
guint n_classes)
{
#ifdef XINPUT_2_2
guint i;
for (i = 0; i < n_classes; i++)
{
XITouchClassInfo *valuator_info = (XITouchClassInfo *) classes[i];
if (valuator_info->type != XITouchClass)
continue;
return valuator_info->num_touches;
}
#endif
return 0;
}
static GdkDevice *
create_device (GdkDeviceManager *device_manager,
GdkDisplay *display,
@@ -263,6 +284,9 @@ create_device (GdkDeviceManager *device_manager,
if (dev->use == XIMasterKeyboard || dev->use == XISlaveKeyboard)
input_source = GDK_SOURCE_KEYBOARD;
else if (dev->use == XISlavePointer &&
count_device_touches (dev->classes, dev->num_classes) > 0)
input_source = GDK_SOURCE_TOUCH;
else
{
gchar *tmp_name;