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fix(pointers): WASM Fix possible unrelated pointer entered #18046

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merged 2 commits into from
Aug 28, 2024
Merged

fix(pointers): WASM Fix possible unrelated pointer entered #18046

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af0b23c
fix(pointers): WASM Fix possible unrelted pointer entered
dr1rrb Aug 27, 2024
1f8ace9
fix(pointers): Remove deprecated compilation condition
dr1rrb Aug 28, 2024
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8 changes: 8 additions & 0 deletions src/Uno.UI/Runtime/BrowserPointerInputSource.wasm.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ internal partial class BrowserPointerInputSource : IUnoCorePointerInputSource
private static readonly Logger? _logTrace = _log.IsTraceEnabled(LogLevel.Trace) ? _log : null;

private ulong _bootTime;
private bool _isOver;
private PointerPoint? _lastPoint;
private CoreCursor _pointerCursor = new(CoreCursorType.Arrow, 0);

Expand Down Expand Up @@ -107,11 +108,18 @@ private static int OnNativeEvent(

switch (evt)
{
case HtmlPointerEvent.pointerover when that._isOver:
// If there isn't any html node that hit-tested, we might get a pointer-over event, but we are interested only in pointer entering over the window
_logTrace?.Trace("Ignoring pointer-over event since pointer is already over the window.");
break;

case HtmlPointerEvent.pointerover:
that._isOver = true;
that.PointerEntered?.Invoke(that, args);
break;

case HtmlPointerEvent.pointerleave:
that._isOver = false;
that.PointerExited?.Invoke(that, args);
break;

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2 changes: 1 addition & 1 deletion src/Uno.UI/UI/Xaml/UIElement.Pointers.cs
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Expand Up @@ -267,7 +267,7 @@ internal struct PointerEventDispatchResult
/// </summary>
internal HitTestability GetHitTestVisibility()
{
#if __WASM__ || __SKIA__ || __MACOS__
#if UNO_HAS_ENHANCED_HIT_TEST_PROPERTY
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return HitTestVisibility;
#else
// This is a coalesced HitTestVisible and should be unified with it
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