Temporary fix for #422

crates/vizia_core/src/events/event_manager.rs

@@ -188,18 +188,21 @@ fn internal_state_updates(context: &mut Context, window_event: &WindowEvent, met
         }
 
         WindowEvent::MouseMove(x, y) => {
-            context.mouse.previous_cursorx = context.mouse.cursorx;
-            context.mouse.previous_cursory = context.mouse.cursory;
-            context.mouse.cursorx = *x;
-            context.mouse.cursory = *y;
+            if !x.is_nan() && !y.is_nan() {
+                context.mouse.previous_cursorx = context.mouse.cursorx;
+                context.mouse.previous_cursory = context.mouse.cursory;
+                context.mouse.cursorx = *x;
+                context.mouse.cursory = *y;
+
+                mutate_direct_or_up(meta, context.captured, context.hovered, false);
+            }
 
             // if context.mouse.cursorx != context.mouse.previous_cursorx
             //     || context.mouse.cursory != context.mouse.previous_cursory
             // {
             // }
 
             hover_system(context);
-            mutate_direct_or_up(meta, context.captured, context.hovered, false);
             // if let Some(dropped_file) = context.dropped_file.take() {
             //     emit_direct_or_up(
             //         context,

crates/vizia_core/src/systems/layout.rs

@@ -140,7 +140,7 @@ pub(crate) fn layout_system(cx: &mut Context) {
         // A relayout, retransform, or reclip, can cause the element under the cursor to change. So we push a mouse move event here to force
         // a new event cycle and the hover system to trigger.
         if let Some(proxy) = &cx.event_proxy {
-            let event = Event::new(WindowEvent::MouseMove(cx.mouse.cursorx, cx.mouse.cursory))
+            let event = Event::new(WindowEvent::MouseMove(f32::NAN, f32::NAN))
                 .target(Entity::root())
                 .origin(Entity::root())
                 .propagate(Propagation::Up);