Bugfix: Correctly do boundary checking/moving to other workspaces when moving floating clients via keyboard (Thanks sasha)

include/data.h

@@ -78,6 +78,12 @@ enum {
  * It needs to be packed so that the compiler will not add any padding bytes.
  * (it is used in src/ewmh.c for example)
  *
+ * Note that x and y can contain signed values in some cases (for example when
+ * used for the coordinates of a window, which can be set outside of the
+ * visible area, but not when specifying the position of a workspace for the
+ * _NET_WM_WORKAREA hint). Not declaring x/y as int32_t saves us a lot of
+ * typecasts.
+ *
  */
 struct Rect {
         uint32_t x;