public void HitTest_Should_Return_Top_Controls_First()
{
using (TestApplication())
{
Panel container;
var root = new TestRoot
{
Child = container = new Panel
{
Width = 200,
Height = 200,
Children = new Controls.Controls
{
new Border
{
Width = 100,
Height = 100,
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
},
new Border
{
Width = 50,
Height = 50,
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
}
}
}
};
root.Renderer = new ImmediateRenderer(root);
root.Measure(Size.Infinity);
root.Arrange(new Rect(container.DesiredSize));
root.Renderer.Paint(new Rect(root.ClientSize));
var result = root.Renderer.HitTest(new Point(100, 100), null);
Assert.Equal(new[] { container.Children[1], container.Children[0], container, root }, result);
}
}
public void Should_Render_Child_In_Parent_With_RenderTransform2()
{
using (UnitTestApplication.Start(TestServices.MockPlatformRenderInterface))
{
var targetMock = new Mock <Control>()
{
CallBase = true
};
var target = targetMock.Object;
target.Width = 100;
target.Height = 50;
target.HorizontalAlignment = HorizontalAlignment.Center;
target.VerticalAlignment = VerticalAlignment.Center;
var child = new Panel()
{
RenderTransform = new RotateTransform()
{
Angle = 90
},
Children = { new Panel()
{
Children ={ target }
} }
};
var visualTarget = targetMock.As <IVisual>();
int rendered = 0;
visualTarget.Setup(v => v.Render(It.IsAny <DrawingContext>())).Callback(() => rendered++);
var root = new TestRoot(child);
root.Renderer = new ImmediateRenderer(root);
root.LayoutManager.ExecuteInitialLayoutPass();
root.Measure(new Size(300, 100));
root.Arrange(new Rect(new Size(300, 100)));
root.Renderer.Paint(root.Bounds);
Assert.Equal(1, rendered);
}
}
public void ClipBounds_Should_Be_Intersection_With_Parent_ClipBounds()
{
using (UnitTestApplication.Start(TestServices.MockPlatformRenderInterface))
{
Border border;
var tree = new TestRoot
{
Width = 200,
Height = 300,
Child = new Canvas
{
ClipToBounds = true,
Width = 100,
Height = 100,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top,
Children =
{
(border = new Border
{
Background = Brushes.AliceBlue,
ClipToBounds = true,
Width = 100,
Height = 100,
[Canvas.LeftProperty] = 50,
[Canvas.TopProperty] = 50,
})
}
}
};
tree.Measure(Size.Infinity);
tree.Arrange(new Rect(tree.DesiredSize));
var scene = new Scene(tree);
var sceneBuilder = new SceneBuilder();
sceneBuilder.UpdateAll(scene);
var borderNode = scene.FindNode(border);
Assert.Equal(new Rect(50, 50, 50, 50), borderNode.ClipBounds);
}
}
public void Should_Update_When_Control_Made_Invisible()
{
using (UnitTestApplication.Start(TestServices.MockPlatformRenderInterface))
{
Decorator decorator;
Border border;
Canvas canvas;
var tree = new TestRoot
{
Width = 100,
Height = 100,
Child = decorator = new Decorator
{
Child = border = new Border
{
Background = Brushes.Red,
Child = canvas = new Canvas(),
}
}
};
tree.Measure(Size.Infinity);
tree.Arrange(new Rect(tree.DesiredSize));
var initial = new Scene(tree);
var sceneBuilder = new SceneBuilder();
sceneBuilder.UpdateAll(initial);
border.IsVisible = false;
var result = initial.CloneScene();
Assert.True(sceneBuilder.Update(result, border));
Assert.False(sceneBuilder.Update(result, canvas));
var decoratorNode = (VisualNode)result.Root.Children[0];
Assert.Equal(0, decoratorNode.Children.Count);
Assert.Null(result.FindNode(border));
Assert.Null(result.FindNode(canvas));
Assert.Equal(new Rect(0, 0, 100, 100), result.Layers.Single().Dirty.Single());
}
}
public void Added_Container_Should_Have_LogicalParent_Set_To_ItemsControl()
{
var item = new Border();
var items = new ObservableCollection <Border>();
var target = new ItemsControl
{
Template = GetTemplate(),
Items = items,
};
var root = new TestRoot(true, target);
root.Measure(new Size(100, 100));
root.Arrange(new Rect(0, 0, 100, 100));
items.Add(item);
Assert.Equal(target, item.Parent);
}
public void Transform_For_Control_With_RenderTransform_Should_Be_Correct_After_Update()
{
using (UnitTestApplication.Start(TestServices.MockPlatformRenderInterface))
{
Border border;
var tree = new TestRoot
{
Width = 400,
Height = 200,
Child = new Decorator
{
Width = 200,
Height = 100,
Child = border = new Border
{
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Right,
Width = 100,
RenderTransform = new ScaleTransform(0.5, 1),
}
}
};
tree.Measure(Size.Infinity);
tree.Arrange(new Rect(tree.DesiredSize));
var scene = new Scene(tree);
var sceneBuilder = new SceneBuilder();
sceneBuilder.UpdateAll(scene);
var expectedTransform = Matrix.CreateScale(0.5, 1) * Matrix.CreateTranslation(225, 50);
var borderNode = scene.FindNode(border);
Assert.Equal(expectedTransform, borderNode.Transform);
scene = scene.CloneScene();
Assert.True(sceneBuilder.Update(scene, border));
borderNode = scene.FindNode(border);
Assert.Equal(expectedTransform, borderNode.Transform);
}
}
public void Should_Not_Find_Sibling_Control()
{
using (TestApplication())
{
Border target;
var root = new TestRoot
{
Width = 200,
Height = 200,
Child = new StackPanel
{
Background = Brushes.White,
Children =
{
(target = new Border
{
Width = 100,
Height = 200,
Background = Brushes.Red,
}),
new Border
{
Width = 100,
Height = 200,
Background = Brushes.Green,
}
},
Orientation = Orientation.Horizontal,
}
};
root.Renderer = new DeferredRenderer(root, null);
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
var result = target.GetVisualsAt(new Point(150, 50));
Assert.Empty(result);
}
}
public void Horizontal_Keyboard_Input_Can_Move_Splitter(Key key, double expectedWidthFirst, double expectedWidthSecond)
{
var control1 = new Border {
[Grid.ColumnProperty] = 0
};
var splitter = new GridSplitter {
[Grid.ColumnProperty] = 1, KeyboardIncrement = 10d
};
var control2 = new Border {
[Grid.ColumnProperty] = 2
};
var columnDefinitions = new ColumnDefinitions
{
new ColumnDefinition(1, GridUnitType.Star),
new ColumnDefinition(GridLength.Auto),
new ColumnDefinition(1, GridUnitType.Star)
};
var grid = new Grid {
ColumnDefinitions = columnDefinitions, Children = { control1, splitter, control2 }
};
var root = new TestRoot
{
Child = grid
};
root.Measure(new Size(200, 200));
root.Arrange(new Rect(0, 0, 200, 200));
splitter.RaiseEvent(new KeyEventArgs
{
RoutedEvent = InputElement.KeyDownEvent,
Key = key
});
Assert.Equal(columnDefinitions[0].Width, new GridLength(expectedWidthFirst, GridUnitType.Star));
Assert.Equal(columnDefinitions[2].Width, new GridLength(expectedWidthSecond, GridUnitType.Star));
}
public void Replacing_Control_Releases_DrawOperation_Reference()
{
using (UnitTestApplication.Start(TestServices.MockPlatformRenderInterface))
{
var bitmap = RefCountable.Create(Mock.Of <IBitmapImpl>(
x => x.PixelSize == new PixelSize(100, 100) &&
x.Dpi == new Vector(96, 96)));
Image img;
var tree = new TestRoot
{
Child = img = new Image
{
Source = new Bitmap(bitmap),
Width = 100,
Height = 100
}
};
tree.Measure(Size.Infinity);
tree.Arrange(new Rect(new Size(100, 100)));
var scene = new Scene(tree);
var sceneBuilder = new SceneBuilder();
sceneBuilder.UpdateAll(scene);
var operation = scene.FindNode(img).DrawOperations[0];
tree.Child = new Decorator();
using (var result = scene.CloneScene())
{
sceneBuilder.Update(result, img);
scene.Dispose();
Assert.Equal(0, operation.RefCount);
Assert.Equal(2, bitmap.RefCount);
}
}
}
public void Should_Create_And_Delete_Layers_For_Controls_With_Animated_Opacity()
{
using (UnitTestApplication.Start(TestServices.MockPlatformRenderInterface))
{
Border border;
var root = new TestRoot
{
Width = 100,
Height = 100,
Child = new Border
{
Background = Brushes.Red,
Child = border = new Border
{
Background = Brushes.Green, Child = new Canvas(), Opacity = 0.9,
}
}
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
var timer = new Mock <IRenderTimer>();
var target = CreateTargetAndRunFrame(root, timer);
Assert.Equal(new[] { root }, target.Layers.Select(x => x.LayerRoot));
var animation = new BehaviorSubject <double>(0.5);
border.Bind(Border.OpacityProperty, animation, BindingPriority.Animation);
RunFrame(target);
Assert.Equal(new IVisual[] { root, border }, target.Layers.Select(x => x.LayerRoot));
animation.OnCompleted();
RunFrame(target);
Assert.Equal(new[] { root }, target.Layers.Select(x => x.LayerRoot));
}
}
public void TransformToVisual_Should_Work()
{
var child = new Decorator {
Width = 100, Height = 100
};
var root = new TestRoot()
{
Child = child, Width = 400, Height = 400
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(new Point(), root.DesiredSize));
var tr = child.TransformToVisual(root);
Assert.NotNull(tr);
var point = root.Bounds.TopLeft * tr;
//child is centered (400 - 100)/2
Assert.Equal(new Point(150, 150), point);
}
public void In_First_Position_Doesnt_Throw_Exception()
{
GridSplitter splitter;
var grid = new Grid
{
ColumnDefinitions = new ColumnDefinitions("Auto,*,*"),
RowDefinitions = new RowDefinitions("*,*"),
Children =
{
(splitter = new GridSplitter {
[Grid.ColumnProperty] = 0
}),
new Border {
[Grid.ColumnProperty] = 1
},
new Border {
[Grid.ColumnProperty] = 2
},
}
};
var root = new TestRoot {
Child = grid
};
root.Measure(new Size(100, 300));
root.Arrange(new Rect(0, 0, 100, 300));
splitter.RaiseEvent(
new VectorEventArgs {
RoutedEvent = Thumb.DragStartedEvent
});
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragDeltaEvent, Vector = new Vector(100, 1000)
});
}
public void Should_Respect_Margin_For_ClipBounds()
{
using (UnitTestApplication.Start(TestServices.MockPlatformRenderInterface))
{
Canvas canvas;
var tree = new TestRoot
{
Width = 200,
Height = 300,
Child = new Border
{
Margin = new Thickness(10, 20, 30, 40),
Child = canvas = new Canvas
{
ClipToBounds = true,
Background = Brushes.AliceBlue,
}
}
};
tree.Measure(Size.Infinity);
tree.Arrange(new Rect(tree.DesiredSize));
var result = new Scene(tree);
var sceneBuilder = new SceneBuilder();
sceneBuilder.UpdateAll(result);
var canvasNode = result.FindNode(canvas);
Assert.Equal(new Rect(10, 20, 160, 240), canvasNode.ClipBounds);
// Initial ClipBounds are correct, make sure they're still correct after updating canvas.
result = result.CloneScene();
Assert.True(sceneBuilder.Update(result, canvas));
canvasNode = result.FindNode(canvas);
Assert.Equal(new Rect(10, 20, 160, 240), canvasNode.ClipBounds);
}
}
public void HitTest_Should_Respect_Geometry_Clip()
{
using (TestApplication())
{
Border border;
Canvas canvas;
var root = new TestRoot
{
Width = 400,
Height = 400,
Child = border = new Border
{
Background = Brushes.Red,
Clip = StreamGeometry.Parse("M100,0 L0,100 100,100"),
Width = 200,
Height = 200,
Child = canvas = new Canvas
{
Background = Brushes.Yellow,
Margin = new Thickness(10),
}
}
};
root.Renderer = new DeferredRenderer(root, null);
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
Assert.Equal(new Rect(100, 100, 200, 200), border.Bounds);
var context = new DrawingContext(Mock.Of <IDrawingContextImpl>());
var result = root.Renderer.HitTest(new Point(200, 200), root, null);
Assert.Equal(new IVisual[] { canvas, border }, result);
result = root.Renderer.HitTest(new Point(110, 110), root, null);
Assert.Empty(result);
}
}
public void Detaching_Then_Reattaching_To_Logical_Tree_Twice_Does_Not_Throw()
{
// # Issue 3487
var target = new ItemsControl
{
Template = GetTemplate(),
Items = new[] { "foo", "bar" },
ItemTemplate = new FuncDataTemplate <string>((_, __) => new Canvas()),
};
var root = new TestRoot(target);
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
root.Child = null;
root.Child = target;
target.Measure(Size.Infinity);
root.Child = null;
root.Child = target;
}
public void Should_Push_Opacity_For_Controls_With_Less_Than_1_Opacity()
{
using (UnitTestApplication.Start(TestServices.MockPlatformRenderInterface))
{
var root = new TestRoot
{
Width = 100, Height = 100, Child = new Border {
Background = Brushes.Red, Opacity = 0.5,
}
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
var target = CreateTargetAndRunFrame(root);
var context = GetLayerContext(target, root);
var animation = new BehaviorSubject <double>(0.5);
context.Verify(x => x.PushOpacity(0.5), Times.Once);
context.Verify(x => x.DrawRectangle(Brushes.Red, null, new Rect(0, 0, 100, 100), default), Times.Once);
context.Verify(x => x.PopOpacity(), Times.Once);
}
}
public void TransformToVisual_With_NonInvertible_RenderTransform_Should_Work()
{
var child = new Decorator
{
Width = 100,
Height = 100,
RenderTransform = new ScaleTransform()
{
ScaleX = 0, ScaleY = 0
}
};
var root = new TestRoot()
{
Child = child, Width = 400, Height = 400
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(new Point(), root.DesiredSize));
var tr = root.TransformToVisual(child);
Assert.Null(tr);
}
public void AutoScrollToSelectedItem_On_Reset_Works()
{
// Issue #3148
using (UnitTestApplication.Start(TestServices.StyledWindow))
{
var items = new ResettingCollection(100);
var target = new ListBox
{
Items = items,
ItemTemplate = new FuncDataTemplate <string>((x, _) =>
new TextBlock
{
Text = x,
Width = 100,
Height = 10
}),
AutoScrollToSelectedItem = true,
VirtualizationMode = ItemVirtualizationMode.Simple,
};
var root = new TestRoot(true, target);
root.Measure(new Size(100, 100));
root.Arrange(new Rect(0, 0, 100, 100));
Assert.True(target.Presenter.Panel.Children.Count > 0);
Assert.True(target.Presenter.Panel.Children.Count < 100);
target.SelectedItem = "Item99";
// #3148 triggered here.
items.Reset(new[] { "Item99" });
Assert.Equal(0, target.SelectedIndex);
Assert.Equal(1, target.Presenter.Panel.Children.Count);
}
}
public void Should_Push_Opacity_Mask()
{
var root = new TestRoot
{
Width = 100,
Height = 100,
Child = new Border
{
Background = Brushes.Red,
OpacityMask = Brushes.Green,
}
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
var target = CreateTargetAndRunFrame(root);
var context = GetLayerContext(target, root);
var animation = new BehaviorSubject <double>(0.5);
context.Verify(x => x.PushOpacityMask(Brushes.Green, new Rect(0, 0, 100, 100)), Times.Once);
context.Verify(x => x.FillRectangle(Brushes.Red, new Rect(0, 0, 100, 100), 0), Times.Once);
context.Verify(x => x.PopOpacityMask(), Times.Once);
}
public void HitTest_Should_Not_Find_Invisible_Controls_At_Point()
{
using (TestApplication())
{
Border visible;
var root = new TestRoot
{
Width = 200,
Height = 200,
Child = new Border
{
Width = 100,
Height = 100,
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
IsVisible = false,
Child = visible = new Border
{
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
}
}
};
root.Renderer = new ImmediateRenderer(root);
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
root.Renderer.Paint(new Rect(root.ClientSize));
var result = root.Renderer.HitTest(new Point(100, 100), root, null);
Assert.Equal(new[] { root }, result);
}
}
public void Horizontal_Stays_Within_Constraints()
{
var cursorFactoryImpl = new Mock<IStandardCursorFactory>();
PerspexLocator.CurrentMutable.Bind<IStandardCursorFactory>().ToConstant(cursorFactoryImpl.Object);
var control1 = new Border { [Grid.RowProperty] = 0 };
var splitter = new GridSplitter
{
Orientation = Orientation.Horizontal,
[Grid.RowProperty] = 1,
};
var control2 = new Border { [Grid.RowProperty] = 2 };
var rowDefinitions = new RowDefinitions()
{
new RowDefinition(1, GridUnitType.Star) {MinHeight = 70, MaxHeight = 110},
new RowDefinition(GridLength.Auto),
new RowDefinition(1, GridUnitType.Star) { MinHeight = 10, MaxHeight = 140},
};
var grid = new Grid()
{
RowDefinitions = rowDefinitions,
Children = new Controls()
{
control1, splitter, control2
}
};
var root = new TestRoot { Child = grid };
Assert.Equal(splitter.Orientation, Orientation.Horizontal);
root.Measure(new Size(100, 200));
root.Arrange(new Rect(0, 0, 100, 200));
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragDeltaEvent,
Vector = new Vector(0, -100)
});
Assert.Equal(rowDefinitions[0].Height, new GridLength(70, GridUnitType.Star));
Assert.Equal(rowDefinitions[2].Height, new GridLength(130, GridUnitType.Star));
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragDeltaEvent,
Vector = new Vector(0, 100)
});
Assert.Equal(rowDefinitions[0].Height, new GridLength(110, GridUnitType.Star));
Assert.Equal(rowDefinitions[2].Height, new GridLength(90, GridUnitType.Star));
}
public void Horizontal_Stays_Within_Constraints(bool showsPreview)
{
var control1 = new Border {
[Grid.RowProperty] = 0
};
var splitter = new GridSplitter {
[Grid.RowProperty] = 1, ShowsPreview = showsPreview
};
var control2 = new Border {
[Grid.RowProperty] = 2
};
var rowDefinitions = new RowDefinitions
{
new RowDefinition(1, GridUnitType.Star)
{
MinHeight = 70, MaxHeight = 110
},
new RowDefinition(GridLength.Auto),
new RowDefinition(1, GridUnitType.Star)
{
MinHeight = 10, MaxHeight = 140
},
};
var grid = new Grid {
RowDefinitions = rowDefinitions, Children = { control1, splitter, control2 }
};
var root = new TestRoot
{
Child = new VisualLayerManager
{
Child = grid
}
};
root.Measure(new Size(100, 200));
root.Arrange(new Rect(0, 0, 100, 200));
splitter.RaiseEvent(
new VectorEventArgs {
RoutedEvent = Thumb.DragStartedEvent
});
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragDeltaEvent,
Vector = new Vector(0, -100)
});
if (showsPreview)
{
Assert.Equal(rowDefinitions[0].Height, new GridLength(1, GridUnitType.Star));
Assert.Equal(rowDefinitions[2].Height, new GridLength(1, GridUnitType.Star));
}
else
{
Assert.Equal(rowDefinitions[0].Height, new GridLength(70, GridUnitType.Star));
Assert.Equal(rowDefinitions[2].Height, new GridLength(130, GridUnitType.Star));
}
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragDeltaEvent,
Vector = new Vector(0, 100)
});
if (showsPreview)
{
Assert.Equal(rowDefinitions[0].Height, new GridLength(1, GridUnitType.Star));
Assert.Equal(rowDefinitions[2].Height, new GridLength(1, GridUnitType.Star));
}
else
{
Assert.Equal(rowDefinitions[0].Height, new GridLength(110, GridUnitType.Star));
Assert.Equal(rowDefinitions[2].Height, new GridLength(90, GridUnitType.Star));
}
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragCompletedEvent
});
Assert.Equal(rowDefinitions[0].Height, new GridLength(110, GridUnitType.Star));
Assert.Equal(rowDefinitions[2].Height, new GridLength(90, GridUnitType.Star));
}
public void Vertical_Stays_Within_Constraints(bool showsPreview)
{
var control1 = new Border {
[Grid.ColumnProperty] = 0
};
var splitter = new GridSplitter {
[Grid.ColumnProperty] = 1, ShowsPreview = showsPreview
};
var control2 = new Border {
[Grid.ColumnProperty] = 2
};
var columnDefinitions = new ColumnDefinitions
{
new ColumnDefinition(1, GridUnitType.Star)
{
MinWidth = 10, MaxWidth = 190
},
new ColumnDefinition(GridLength.Auto),
new ColumnDefinition(1, GridUnitType.Star)
{
MinWidth = 80, MaxWidth = 120
},
};
var grid = new Grid {
ColumnDefinitions = columnDefinitions, Children = { control1, splitter, control2 }
};
var root = new TestRoot
{
Child = new VisualLayerManager
{
Child = grid
}
};
root.Measure(new Size(200, 100));
root.Arrange(new Rect(0, 0, 200, 100));
splitter.RaiseEvent(
new VectorEventArgs {
RoutedEvent = Thumb.DragStartedEvent
});
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragDeltaEvent,
Vector = new Vector(-100, 0)
});
if (showsPreview)
{
Assert.Equal(columnDefinitions[0].Width, new GridLength(1, GridUnitType.Star));
Assert.Equal(columnDefinitions[2].Width, new GridLength(1, GridUnitType.Star));
}
else
{
Assert.Equal(columnDefinitions[0].Width, new GridLength(80, GridUnitType.Star));
Assert.Equal(columnDefinitions[2].Width, new GridLength(120, GridUnitType.Star));
}
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragDeltaEvent,
Vector = new Vector(100, 0)
});
if (showsPreview)
{
Assert.Equal(columnDefinitions[0].Width, new GridLength(1, GridUnitType.Star));
Assert.Equal(columnDefinitions[2].Width, new GridLength(1, GridUnitType.Star));
}
else
{
Assert.Equal(columnDefinitions[0].Width, new GridLength(120, GridUnitType.Star));
Assert.Equal(columnDefinitions[2].Width, new GridLength(80, GridUnitType.Star));
}
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragCompletedEvent
});
Assert.Equal(columnDefinitions[0].Width, new GridLength(120, GridUnitType.Star));
Assert.Equal(columnDefinitions[2].Width, new GridLength(80, GridUnitType.Star));
}
public void Should_Not_Render_Clipped_Child_With_RenderTransform_When_Not_In_Bounds()
{
const int RootWidth = 300;
const int RootHeight = 300;
var rootGrid = new Grid
{
Width = RootWidth,
Height = RootHeight,
ClipToBounds = true
};
var stackPanel = new StackPanel
{
Orientation = Orientation.Horizontal,
VerticalAlignment = VerticalAlignment.Top,
HorizontalAlignment = HorizontalAlignment.Right,
Margin = new Thickness(0, 10, 0, 0),
RenderTransformOrigin = new RelativePoint(new Point(0, 0), RelativeUnit.Relative),
RenderTransform = new TransformGroup
{
Children =
{
new RotateTransform {
Angle = 90
},
new TranslateTransform {
X = 280
}
}
}
};
rootGrid.Children.Add(stackPanel);
TestControl CreateControl()
=> new TestControl
{
Width = 160,
Height = 40,
Margin = new Thickness(0, 0, 5, 0),
ClipToBounds = true
};
var control1 = CreateControl();
var control2 = CreateControl();
var control3 = CreateControl();
stackPanel.Children.Add(control1);
stackPanel.Children.Add(control2);
stackPanel.Children.Add(control3);
var root = new TestRoot(rootGrid);
root.Renderer = new ImmediateRenderer(root);
root.LayoutManager.ExecuteInitialLayoutPass(root);
var rootSize = new Size(RootWidth, RootHeight);
root.Measure(rootSize);
root.Arrange(new Rect(rootSize));
root.Renderer.Paint(root.Bounds);
Assert.True(control1.Rendered);
Assert.True(control2.Rendered);
Assert.False(control3.Rendered);
}
public void HitTest_Should_Not_Find_Control_Outside_Scroll_Viewport()
{
using (TestApplication())
{
Border target;
Border item1;
Border item2;
ScrollContentPresenter scroll;
Panel container;
var root = new TestRoot
{
Child = container = new Panel
{
Width = 100,
Height = 200,
Background = Brushes.Red,
Children =
{
(target = new Border()
{
Name = "b1",
Width = 100,
Height = 100,
Background = Brushes.Red,
}),
new Border()
{
Name = "b2",
Width = 100,
Height = 100,
Background = Brushes.Red,
Margin = new Thickness(0, 100, 0, 0),
Child = scroll = new ScrollContentPresenter()
{
CanHorizontallyScroll = true,
CanVerticallyScroll = true,
Content = new StackPanel()
{
Children =
{
(item1 = new Border()
{
Name = "b3",
Width = 100,
Height = 100,
Background = Brushes.Red,
}),
(item2 = new Border()
{
Name = "b4",
Width = 100,
Height = 100,
Background = Brushes.Red,
}),
}
}
}
}
}
}
};
scroll.UpdateChild();
root.Renderer = new DeferredRenderer(root, null);
root.Measure(Size.Infinity);
root.Arrange(new Rect(container.DesiredSize));
root.Renderer.Paint(Rect.Empty);
var result = root.Renderer.HitTest(new Point(50, 150), root, null).First();
Assert.Equal(item1, result);
result = root.Renderer.HitTest(new Point(50, 50), root, null).First();
Assert.Equal(target, result);
scroll.Offset = new Vector(0, 100);
// We don't have LayoutManager set up so do the layout pass manually.
scroll.Parent.InvalidateArrange();
container.InvalidateArrange();
container.Arrange(new Rect(container.DesiredSize));
root.Renderer.Paint(Rect.Empty);
result = root.Renderer.HitTest(new Point(50, 150), root, null).First();
Assert.Equal(item2, result);
result = root.Renderer.HitTest(new Point(50, 50), root, null).First();
Assert.Equal(target, result);
}
}
public void Should_Create_And_Delete_Layers_For_Transparent_Controls()
{
Border border;
var root = new TestRoot
{
Width = 100,
Height = 100,
Child = new Border
{
Background = Brushes.Red,
Child = border = new Border
{
Background = Brushes.Green,
}
}
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
var loop = new Mock <IRenderLoop>();
var layerFactory = new MockRenderLayerFactory(new Dictionary <IVisual, IRenderTargetBitmapImpl>
{
{ root, CreateLayer() },
{ border, CreateLayer() },
});
var target = new DeferredRenderer(
root,
loop.Object,
layerFactory: layerFactory,
dispatcher: new ImmediateDispatcher());
root.Renderer = target;
target.Start();
RunFrame(loop);
var rootContext = layerFactory.GetMockDrawingContext(root);
var borderContext = layerFactory.GetMockDrawingContext(border);
rootContext.Verify(x => x.FillRectangle(Brushes.Red, new Rect(0, 0, 100, 100), 0), Times.Once);
rootContext.Verify(x => x.FillRectangle(Brushes.Green, new Rect(0, 0, 100, 100), 0), Times.Once);
borderContext.Verify(x => x.FillRectangle(It.IsAny <IBrush>(), It.IsAny <Rect>(), It.IsAny <float>()), Times.Never);
rootContext.ResetCalls();
borderContext.ResetCalls();
border.Opacity = 0.5;
RunFrame(loop);
rootContext.Verify(x => x.FillRectangle(Brushes.Red, new Rect(0, 0, 100, 100), 0), Times.Once);
rootContext.Verify(x => x.FillRectangle(Brushes.Green, new Rect(0, 0, 100, 100), 0), Times.Never);
borderContext.Verify(x => x.FillRectangle(Brushes.Green, new Rect(0, 0, 100, 100), 0), Times.Once);
rootContext.ResetCalls();
borderContext.ResetCalls();
border.Opacity = 1;
RunFrame(loop);
layerFactory.GetMockBitmap(border).Verify(x => x.Dispose());
rootContext.Verify(x => x.FillRectangle(Brushes.Red, new Rect(0, 0, 100, 100), 0), Times.Once);
rootContext.Verify(x => x.FillRectangle(Brushes.Green, new Rect(0, 0, 100, 100), 0), Times.Once);
borderContext.Verify(x => x.FillRectangle(It.IsAny <IBrush>(), It.IsAny <Rect>(), It.IsAny <float>()), Times.Never);
}
public void Replacing_Transitions_During_Animation_Does_Not_Throw_KeyNotFound()
{
// Issue #4059
using (Start())
{
Border target;
var clock = new TestClock();
var root = new TestRoot
{
Clock = clock,
Styles =
{
new Style(x => x.OfType <Border>())
{
Setters =
{
new Setter(Border.TransitionsProperty,
new Transitions
{
new DoubleTransition
{
Property = Border.OpacityProperty,
Duration = TimeSpan.FromSeconds(1),
},
}),
},
},
new Style(x => x.OfType <Border>().Class("foo"))
{
Setters =
{
new Setter(Border.TransitionsProperty,
new Transitions
{
new DoubleTransition
{
Property = Border.OpacityProperty,
Duration = TimeSpan.FromSeconds(1),
},
}),
new Setter(Border.OpacityProperty, 0.0),
},
},
},
Child = target = new Border
{
Background = Brushes.Red,
}
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
target.Classes.Add("foo");
clock.Step(TimeSpan.FromSeconds(0));
clock.Step(TimeSpan.FromSeconds(0.5));
Assert.Equal(0.5, target.Opacity);
target.Classes.Remove("foo");
}
}
public void Vertical_Stays_Within_Constraints()
{
var cursorFactoryImpl = new Mock <IStandardCursorFactory>();
AvaloniaLocator.CurrentMutable.Bind <IStandardCursorFactory>().ToConstant(cursorFactoryImpl.Object);
var control1 = new Border {
[Grid.ColumnProperty] = 0
};
var splitter = new GridSplitter
{
Orientation = Orientation.Vertical,
[Grid.ColumnProperty] = 1,
};
var control2 = new Border {
[Grid.ColumnProperty] = 2
};
var columnDefinitions = new ColumnDefinitions()
{
new ColumnDefinition(1, GridUnitType.Star)
{
MinWidth = 10, MaxWidth = 190
},
new ColumnDefinition(GridLength.Auto),
new ColumnDefinition(1, GridUnitType.Star)
{
MinWidth = 80, MaxWidth = 120
},
};
var grid = new Grid()
{
ColumnDefinitions = columnDefinitions,
Children = new Controls()
{
control1, splitter, control2
}
};
var root = new TestRoot {
Child = grid
};
Assert.Equal(splitter.Orientation, Orientation.Vertical);
root.Measure(new Size(200, 100));
root.Arrange(new Rect(0, 0, 200, 100));
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragDeltaEvent,
Vector = new Vector(-100, 0)
});
Assert.Equal(columnDefinitions[0].Width, new GridLength(80, GridUnitType.Star));
Assert.Equal(columnDefinitions[2].Width, new GridLength(120, GridUnitType.Star));
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragDeltaEvent,
Vector = new Vector(100, 0)
});
Assert.Equal(columnDefinitions[0].Width, new GridLength(120, GridUnitType.Star));
Assert.Equal(columnDefinitions[2].Width, new GridLength(80, GridUnitType.Star));
}
public void Should_Update_When_Control_Moved_Causing_Layout_Change()
{
using (UnitTestApplication.Start(TestServices.MockPlatformRenderInterface))
{
Decorator moveFrom;
Decorator moveTo;
Canvas moveMe;
var tree = new TestRoot
{
Width = 100,
Height = 100,
Child = new DockPanel
{
Children =
{
(moveFrom = new Decorator
{
Child = moveMe = new Canvas
{
Width = 100,
Height = 100,
},
}),
(moveTo = new Decorator()),
}
}
};
tree.Measure(Size.Infinity);
tree.Arrange(new Rect(tree.DesiredSize));
var scene = new Scene(tree);
var sceneBuilder = new SceneBuilder();
sceneBuilder.UpdateAll(scene);
var moveFromNode = (VisualNode)scene.FindNode(moveFrom);
var moveToNode = (VisualNode)scene.FindNode(moveTo);
Assert.Equal(1, moveFromNode.Children.Count);
Assert.Same(moveMe, moveFromNode.Children[0].Visual);
Assert.Empty(moveToNode.Children);
moveFrom.Child = null;
moveTo.Child = moveMe;
tree.LayoutManager.ExecuteLayoutPass();
scene = scene.CloneScene();
moveFromNode = (VisualNode)scene.FindNode(moveFrom);
moveToNode = (VisualNode)scene.FindNode(moveTo);
moveFromNode.SortChildren(scene);
moveToNode.SortChildren(scene);
sceneBuilder.Update(scene, moveFrom);
sceneBuilder.Update(scene, moveTo);
sceneBuilder.Update(scene, moveMe);
Assert.Empty(moveFromNode.Children);
Assert.Equal(1, moveToNode.Children.Count);
Assert.Same(moveMe, moveToNode.Children[0].Visual);
}
}
public void Horizontal_Stays_Within_Constraints()
{
var cursorFactoryImpl = new Mock <IStandardCursorFactory>();
AvaloniaLocator.CurrentMutable.Bind <IStandardCursorFactory>().ToConstant(cursorFactoryImpl.Object);
var control1 = new Border {
[Grid.RowProperty] = 0
};
var splitter = new GridSplitter
{
Orientation = Orientation.Horizontal,
[Grid.RowProperty] = 1,
};
var control2 = new Border {
[Grid.RowProperty] = 2
};
var rowDefinitions = new RowDefinitions()
{
new RowDefinition(1, GridUnitType.Star)
{
MinHeight = 70, MaxHeight = 110
},
new RowDefinition(GridLength.Auto),
new RowDefinition(1, GridUnitType.Star)
{
MinHeight = 10, MaxHeight = 140
},
};
var grid = new Grid()
{
RowDefinitions = rowDefinitions,
Children = new Controls()
{
control1, splitter, control2
}
};
var root = new TestRoot {
Child = grid
};
Assert.Equal(splitter.Orientation, Orientation.Horizontal);
root.Measure(new Size(100, 200));
root.Arrange(new Rect(0, 0, 100, 200));
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragDeltaEvent,
Vector = new Vector(0, -100)
});
Assert.Equal(rowDefinitions[0].Height, new GridLength(70, GridUnitType.Star));
Assert.Equal(rowDefinitions[2].Height, new GridLength(130, GridUnitType.Star));
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragDeltaEvent,
Vector = new Vector(0, 100)
});
Assert.Equal(rowDefinitions[0].Height, new GridLength(110, GridUnitType.Star));
Assert.Equal(rowDefinitions[2].Height, new GridLength(90, GridUnitType.Star));
}
public void Should_Create_And_Delete_Layers_For_Transparent_Controls()
{
Border border;
var root = new TestRoot
{
Width = 100,
Height = 100,
Child = new Border
{
Background = Brushes.Red,
Child = border = new Border
{
Background = Brushes.Green,
}
}
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
var rootLayer = CreateLayer();
var borderLayer = CreateLayer();
var renderTargetContext = Mock.Get(root.CreateRenderTarget().CreateDrawingContext(null));
renderTargetContext.SetupSequence(x => x.CreateLayer(It.IsAny <Size>()))
.Returns(rootLayer)
.Returns(borderLayer);
var loop = new Mock <IRenderLoop>();
var target = new DeferredRenderer(
root,
loop.Object,
dispatcher: new ImmediateDispatcher());
root.Renderer = target;
target.Start();
RunFrame(loop);
var rootContext = Mock.Get(rootLayer.CreateDrawingContext(null));
var borderContext = Mock.Get(borderLayer.CreateDrawingContext(null));
rootContext.Verify(x => x.FillRectangle(Brushes.Red, new Rect(0, 0, 100, 100), 0), Times.Once);
rootContext.Verify(x => x.FillRectangle(Brushes.Green, new Rect(0, 0, 100, 100), 0), Times.Once);
borderContext.Verify(x => x.FillRectangle(It.IsAny <IBrush>(), It.IsAny <Rect>(), It.IsAny <float>()), Times.Never);
rootContext.ResetCalls();
borderContext.ResetCalls();
border.Opacity = 0.5;
RunFrame(loop);
rootContext.Verify(x => x.FillRectangle(Brushes.Red, new Rect(0, 0, 100, 100), 0), Times.Once);
rootContext.Verify(x => x.FillRectangle(Brushes.Green, new Rect(0, 0, 100, 100), 0), Times.Never);
borderContext.Verify(x => x.FillRectangle(Brushes.Green, new Rect(0, 0, 100, 100), 0), Times.Once);
rootContext.ResetCalls();
borderContext.ResetCalls();
border.Opacity = 1;
RunFrame(loop);
Mock.Get(borderLayer).Verify(x => x.Dispose());
rootContext.Verify(x => x.FillRectangle(Brushes.Red, new Rect(0, 0, 100, 100), 0), Times.Once);
rootContext.Verify(x => x.FillRectangle(Brushes.Green, new Rect(0, 0, 100, 100), 0), Times.Once);
borderContext.Verify(x => x.FillRectangle(It.IsAny <IBrush>(), It.IsAny <Rect>(), It.IsAny <float>()), Times.Never);
}
public void Vertical_Stays_Within_Constraints()
{
var cursorFactoryImpl = new Mock<IStandardCursorFactory>();
PerspexLocator.CurrentMutable.Bind<IStandardCursorFactory>().ToConstant(cursorFactoryImpl.Object);
var control1 = new Border { [Grid.ColumnProperty] = 0 };
var splitter = new GridSplitter
{
Orientation = Orientation.Vertical,
[Grid.ColumnProperty] = 1,
};
var control2 = new Border { [Grid.ColumnProperty] = 2 };
var columnDefinitions = new ColumnDefinitions()
{
new ColumnDefinition(1, GridUnitType.Star) {MinWidth = 10, MaxWidth = 190},
new ColumnDefinition(GridLength.Auto),
new ColumnDefinition(1, GridUnitType.Star) {MinWidth = 80, MaxWidth = 120},
};
var grid = new Grid()
{
ColumnDefinitions = columnDefinitions,
Children = new Controls()
{
control1, splitter, control2
}
};
var root = new TestRoot { Child = grid };
Assert.Equal(splitter.Orientation, Orientation.Vertical);
root.Measure(new Size(200, 100));
root.Arrange(new Rect(0, 0, 200, 100));
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragDeltaEvent,
Vector = new Vector(-100,0)
});
Assert.Equal(columnDefinitions[0].Width, new GridLength(80,GridUnitType.Star));
Assert.Equal(columnDefinitions[2].Width, new GridLength(120,GridUnitType.Star));
splitter.RaiseEvent(new VectorEventArgs
{
RoutedEvent = Thumb.DragDeltaEvent,
Vector = new Vector(100, 0)
});
Assert.Equal(columnDefinitions[0].Width, new GridLength(120, GridUnitType.Star));
Assert.Equal(columnDefinitions[2].Width, new GridLength(80, GridUnitType.Star));
}