input: add a motion signal to weston_pointer
The signal will be emitted after the pointer is moved. A shell plugin
can listen to the signal and activate certain effects when the pointer
touches the screen corners, for instance.
diff --git a/src/compositor.h b/src/compositor.h
index c2de99f..624d475 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -307,6 +307,7 @@
struct weston_view *focus;
uint32_t focus_serial;
struct wl_signal focus_signal;
+ struct wl_signal motion_signal;
struct weston_view *sprite;
struct wl_listener sprite_destroy_listener;