Styling now supports selection

backends/x/window.go

@@ -84,6 +84,7 @@ func (window *Window) Adopt (child tomo.Element) {
 		child.SetParentHooks (tomo.ParentHooks {
 			Draw: window.childDrawCallback,
 			MinimumSizeChange: window.childMinimumSizeChangeCallback,
+			SelectionRequest: window.childSelectionRequestCallback,
 		})
 		window.resizeChildToFit()
 	}
@@ -239,6 +240,10 @@ func (window *Window) childMinimumSizeChangeCallback (width, height int) {
 	}
 }
 
+func (window *Window) childSelectionRequestCallback () {
+	window.child.Handle(tomo.EventSelect { })
+}
+
 func (window *Window) pushRegion (region image.Rectangle) {
 	if window.xCanvas == nil { panic("whoopsie!!!!!!!!!!!!!!") }
 	image, ok := window.xCanvas.SubImage(region).(*xgraphics.Image)