io/pointer: added CursorNameOp

The cursor can now be customized for a given area.

Signed-off-by: pierre <pierre.curto@gmail.com>

app/window.go

@@ -48,7 +48,8 @@ type Window struct {
 	nextFrame    time.Time
 	delayedDraw  *time.Timer
 
-	queue queue
+	queue  queue
+	cursor pointer.CursorName
 
 	callbacks callbacks
 }
@@ -414,6 +415,10 @@ func (w *Window) run(opts *window.Options) {
 					w.setNextFrame(time.Time{})
 					w.updateAnimation()
 				}
+				if c := w.queue.q.Cursor(); c != w.cursor {
+					w.cursor = c
+					w.SetCursorName(c)
+				}
 				w.out <- e
 			}
 			w.ack <- struct{}{}