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Preview: promote selected layer for hit testing

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Temporarily raise the selected preview item and prioritize it in the custom hit test without changing scene order. Refresh integration-test expectations for Brand logo layers and explicit thumbnail assets.

WPF references: https://learn.microsoft.com/en-us/dotnet/api/system.windows.controls.panel.zindex?view=windowsdesktop-10.0 https://learn.microsoft.com/en-us/dotnet/desktop/wpf/graphics-multimedia/hit-testing-in-the-visual-layer
This commit is contained in:
gramps
2026-10-28 13:09:15 -07:00
parent 7da287244b
commit 769c616706
13 changed files with 326 additions and 79 deletions
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ytLive.Tests/ZoomBoxInteractionTests.cs
+6 -5
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@@ -49,8 +49,9 @@ public sealed class ZoomBoxInteractionTests
window.Show();
window.UpdateLayout();
Assert.NotNull(vm.StagedScene);
// The healed zoom placeholder sits at z-index 1, inert.
var placeholder = (ZoomSceneElement)vm.StagedScene.Elements[1];
// The healed zoom placeholder is present and inert; persistent scene
// layers may precede it, so locate it by type rather than list index.
var placeholder = vm.StagedScene.Elements.OfType<ZoomSceneElement>().Single();
Assert.False(placeholder.IsZoomActive);
Assert.Equal(ElementKind.Static, placeholder.Kind);
@@ -137,7 +138,7 @@ public sealed class ZoomBoxInteractionTests
Assert.True(Math.Abs(vm.ZoomState.Y - boxY) >= 100, "the box must have moved");
Assert.Equal(captureX, vm.ZoomState.CaptureX);
Assert.Equal(captureY, vm.ZoomState.CaptureY);
var zoom = Assert.IsType<ZoomSceneElement>(vm.StagedScene.Elements[1]);
var zoom = vm.StagedScene.Elements.OfType<ZoomSceneElement>().Single();
Assert.Equal(vm.ZoomState.X, zoom.X, 3);
Assert.Equal(vm.ZoomState.Y, zoom.Y, 3);
Assert.Equal(captureX, zoom.CaptureX, 3);
@@ -179,7 +180,7 @@ public sealed class ZoomBoxInteractionTests
private static void AssertTrueActiveLayer(MainViewModel vm)
{
var zoom = Assert.IsType<ZoomSceneElement>(vm.StagedScene!.Elements[1]);
var zoom = vm.StagedScene!.Elements.OfType<ZoomSceneElement>().Single();
Assert.True(zoom.IsZoomActive);
Assert.True(zoom.IsVisible);
Assert.Equal(ElementKind.Dynamic, zoom.Kind);
@@ -191,4 +192,4 @@ public sealed class ZoomBoxInteractionTests
Assert.Equal(vm.ZoomState.CaptureY, zoom.CaptureY, 3);
Assert.Equal(vm.ZoomShape == ZoomShape.Circle ? ClipShape.Round : ClipShape.Traditional, zoom.ClipShape);
}
}
}