From 586c3350dccc35834117c58006d5aedd76190ad7 Mon Sep 17 00:00:00 2001 From: Emmanuel Hansen Date: Thu, 22 Dec 2022 12:54:37 +0000 Subject: [PATCH] adds tests --- .../ScrollGestureRecognizer.cs | 2 +- .../Input/GesturesTests.cs | 98 +++++++++++++++++++ tests/Avalonia.UnitTests/TouchTestHelper.cs | 53 ++++++++++ 3 files changed, 152 insertions(+), 1 deletion(-) create mode 100644 tests/Avalonia.UnitTests/TouchTestHelper.cs diff --git a/src/Avalonia.Base/Input/GestureRecognizers/ScrollGestureRecognizer.cs b/src/Avalonia.Base/Input/GestureRecognizers/ScrollGestureRecognizer.cs index 7dc4ab3f2e..64fe275547 100644 --- a/src/Avalonia.Base/Input/GestureRecognizers/ScrollGestureRecognizer.cs +++ b/src/Avalonia.Base/Input/GestureRecognizers/ScrollGestureRecognizer.cs @@ -96,7 +96,7 @@ namespace Avalonia.Input.GestureRecognizers } // Pixels per second speed that is considered to be the stop of inertial scroll - private const double InertialScrollSpeedEnd = 0; + private const double InertialScrollSpeedEnd = 5; public void PointerMoved(PointerEventArgs e) { diff --git a/tests/Avalonia.Base.UnitTests/Input/GesturesTests.cs b/tests/Avalonia.Base.UnitTests/Input/GesturesTests.cs index 508eff5f9d..59085a21ce 100644 --- a/tests/Avalonia.Base.UnitTests/Input/GesturesTests.cs +++ b/tests/Avalonia.Base.UnitTests/Input/GesturesTests.cs @@ -1,6 +1,8 @@ using System.Collections.Generic; using Avalonia.Controls; using Avalonia.Input; +using Avalonia.Input.GestureRecognizers; +using Avalonia.Media; using Avalonia.UnitTests; using Xunit; @@ -201,5 +203,101 @@ namespace Avalonia.Base.UnitTests.Input border.AddHandler(Gestures.TappedEvent, (s, e) => result.Add("bt")); border.AddHandler(Gestures.DoubleTappedEvent, (s, e) => result.Add("bdt")); } + + [Fact] + public void Pinched_Should_Not_Be_Raised_For_Same_Pointer() + { + var touch = new TouchTestHelper(); + + Border border = new Border() + { + Width = 100, + Height = 100, + Background = new SolidColorBrush(Colors.Red) + }; + border.GestureRecognizers.Add(new PinchGestureRecognizer()); + var decorator = new Decorator + { + Child = border + }; + var raised = false; + + decorator.AddHandler(Gestures.PinchEvent, (s, e) => raised = true); + + var firstPoint = new Point(5, 5); + var secondPoint = new Point(10, 10); + + touch.Down(border, position: firstPoint); + touch.Down(border, position: secondPoint); + touch.Down(border, position: new Point(20, 20)); + + Assert.False(raised); + } + + [Fact] + public void Pinched_Should_Be_Raised_For_Two_Pointers_Moving() + { + Border border = new Border() + { + Width = 100, + Height = 100, + Background = new SolidColorBrush(Colors.Red) + }; + border.GestureRecognizers.Add(new PinchGestureRecognizer()); + var decorator = new Decorator + { + Child = border + }; + var raised = false; + + decorator.AddHandler(Gestures.PinchEvent, (s, e) => raised = true); + + var firstPoint = new Point(5, 5); + var secondPoint = new Point(10, 10); + + var firstTouch = new TouchTestHelper(); + var secondTouch = new TouchTestHelper(); + + firstTouch.Down(border, position: firstPoint); + secondTouch.Down(border, position: secondPoint); + secondTouch.Move(border, position: new Point(20, 20)); + + Assert.True(raised); + } + + [Fact] + public void Scrolling_Should_Start_After_Start_Distance_Is_Exceded() + { + Border border = new Border() + { + Width = 100, + Height = 100, + Background = new SolidColorBrush(Colors.Red) + }; + border.GestureRecognizers.Add(new ScrollGestureRecognizer() + { + CanHorizontallyScroll = true, + CanVerticallyScroll = true, + ScrollStartDistance = 50 + }); + var decorator = new Decorator + { + Child = border + }; + var raised = false; + + decorator.AddHandler(Gestures.ScrollGestureEvent, (s, e) => raised = true); + + var firstTouch = new TouchTestHelper(); + + firstTouch.Down(border, position: new Point(5, 5)); + firstTouch.Move(border, position: new Point(20, 20)); + + Assert.False(raised); + + firstTouch.Move(border, position: new Point(70, 20)); + + Assert.True(raised); + } } } diff --git a/tests/Avalonia.UnitTests/TouchTestHelper.cs b/tests/Avalonia.UnitTests/TouchTestHelper.cs new file mode 100644 index 0000000000..db70f570a2 --- /dev/null +++ b/tests/Avalonia.UnitTests/TouchTestHelper.cs @@ -0,0 +1,53 @@ +using Avalonia.Input; +using Avalonia.Interactivity; +using Avalonia.VisualTree; + +namespace Avalonia.UnitTests +{ + public class TouchTestHelper + { + private readonly Pointer _pointer = new Pointer(Pointer.GetNextFreeId(), PointerType.Touch, true); + private ulong _nextStamp = 1; + private ulong Timestamp() => _nextStamp++; + public IInputElement Captured => _pointer.Captured; + + public void Down(Interactive target, Point position = default, KeyModifiers modifiers = default) + { + Down(target, target, position, modifiers); + } + + public void Down(Interactive target, Interactive source, Point position = default, KeyModifiers modifiers = default) + { + _pointer.Capture((IInputElement)target); + source.RaiseEvent(new PointerPressedEventArgs(source, _pointer, (Visual)source, position, Timestamp(), PointerPointProperties.None, + modifiers)); + } + + public void Move(Interactive target, in Point position, KeyModifiers modifiers = default) => Move(target, target, position, modifiers); + + public void Move(Interactive target, Interactive source, in Point position, KeyModifiers modifiers = default) + { + target.RaiseEvent(new PointerEventArgs(InputElement.PointerMovedEvent, source, _pointer, (Visual)target, position, + Timestamp(), PointerPointProperties.None, modifiers)); + } + + public void Up(Interactive target, Point position = default, KeyModifiers modifiers = default) + => Up(target, target, position, modifiers); + + public void Up(Interactive target, Interactive source, Point position = default, KeyModifiers modifiers = default) + { + source.RaiseEvent(new PointerReleasedEventArgs(source, _pointer, (Visual)target, position, Timestamp(), PointerPointProperties.None, + modifiers, MouseButton.None)); + _pointer.Capture(null); + } + + public void Tap(Interactive target, Point position = default, KeyModifiers modifiers = default) + => Tap(target, target, position, modifiers); + + public void Tap(Interactive target, Interactive source, Point position = default, KeyModifiers modifiers = default) + { + Down(target, source, position, modifiers); + Up(target, source, position, modifiers); + } + } +}