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xi2: Use the new device types for touch-capable devices

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Any device with a XITouchClassInfo with num_touches > 0
qualifies as multitouch.
This commit is contained in:
Matthias Clasen
2012-02-29 22:00:18 -05:00
parent 7844f935b5
commit 734c9056c6
1 changed files with 40 additions and 0 deletions
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40
gdk/x11/gdkdevicemanager-xi2.c
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@ -248,18 +248,54 @@ translate_device_classes (GdkDisplay *display,
g_object_thaw_notify (G_OBJECT (device));
}
static gboolean
is_touch_device (XIAnyClassInfo **classes,
guint n_classes,
GdkInputSource *device_type)
{
#ifdef XINPUT_2_2
guint i;
for (i = 0; i < n_classes; i++)
{
XITouchClassInfo *class = (XITouchClassInfo *) classes[i];
if (class->type != XITouchClass)
continue;
if (class->num_touches > 0)
{
if (class->mode == XIDirectTouch)
*device_type = GDK_SOURCE_TOUCHSCREEN;
else if (class->mode == XIDependentTouch)
*device_type = GDK_SOURCE_TOUCHPAD;
else
continue;
return TRUE;
}
}
#endif
return FALSE;
}
static GdkDevice *
create_device (GdkDeviceManager *device_manager,
GdkDisplay *display,
XIDeviceInfo *dev)
{
GdkInputSource input_source;
GdkInputSource touch_source;
GdkDeviceType type;
GdkDevice *device;
GdkInputMode mode;
if (dev->use == XIMasterKeyboard || dev->use == XISlaveKeyboard)
input_source = GDK_SOURCE_KEYBOARD;
else if (dev->use == XISlavePointer &&
is_touch_device (dev->classes, dev->num_classes, &touch_source))
input_source = touch_source;
else
{
gchar *tmp_name;
@ -270,6 +306,10 @@ create_device (GdkDeviceManager *device_manager,
input_source = GDK_SOURCE_ERASER;
else if (strstr (tmp_name, "cursor"))
input_source = GDK_SOURCE_CURSOR;
else if (strstr (tmp_name, "finger") ||
(strstr (tmp_name, "touch") &&
!strstr (tmp_name, "touchpad")))
input_source = GDK_SOURCE_TOUCHSCREEN;
else if (strstr (tmp_name, "wacom") ||
strstr (tmp_name, "pen"))
input_source = GDK_SOURCE_PEN;