mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-26 15:57:56 +01:00
464 lines
15 KiB
C#
464 lines
15 KiB
C#
using UnitTests;
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using Xunit.Abstractions;
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// Alias Console to MockConsole so we don't accidentally use Console
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namespace UnitTests.ApplicationTests;
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[Trait ("Category", "Input")]
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public class ApplicationMouseTests
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{
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private readonly ITestOutputHelper _output;
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public ApplicationMouseTests (ITestOutputHelper output)
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{
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_output = output;
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#if DEBUG_IDISPOSABLE
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View.Instances.Clear ();
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RunState.Instances.Clear ();
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#endif
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}
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#region mouse coordinate tests
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// test Application.MouseEvent - ensure coordinates are screen relative
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[Theory]
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// inside tests
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[InlineData (0, 0, 0, 0, true)]
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[InlineData (1, 0, 1, 0, true)]
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[InlineData (0, 1, 0, 1, true)]
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[InlineData (9, 0, 9, 0, true)]
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[InlineData (0, 9, 0, 9, true)]
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// outside tests
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[InlineData (-1, -1, -1, -1, true)]
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[InlineData (0, -1, 0, -1, true)]
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[InlineData (-1, 0, -1, 0, true)]
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public void MouseEventCoordinatesAreScreenRelative (
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int clickX,
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int clickY,
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int expectedX,
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int expectedY,
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bool expectedClicked
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)
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{
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var mouseEvent = new MouseEventArgs { ScreenPosition = new (clickX, clickY), Flags = MouseFlags.Button1Pressed };
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var clicked = false;
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void OnApplicationOnMouseEvent (object s, MouseEventArgs e)
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{
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Assert.Equal (expectedX, e.ScreenPosition.X);
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Assert.Equal (expectedY, e.ScreenPosition.Y);
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clicked = true;
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}
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Application.MouseEvent += OnApplicationOnMouseEvent;
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Application.RaiseMouseEvent (mouseEvent);
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Assert.Equal (expectedClicked, clicked);
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Application.MouseEvent -= OnApplicationOnMouseEvent;
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}
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/// <summary>
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/// Tests that the mouse coordinates passed to the focused view are correct when the mouse is clicked. No adornments;
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/// Frame == Viewport
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/// </summary>
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[Theory]
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[AutoInitShutdown]
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// click inside view tests
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[InlineData (0, 0, 0, 0, 0, true)]
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[InlineData (0, 1, 0, 1, 0, true)]
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[InlineData (0, 0, 1, 0, 1, true)]
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[InlineData (0, 9, 0, 9, 0, true)]
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[InlineData (0, 0, 9, 0, 9, true)]
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// view is offset from origin ; click is inside view
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[InlineData (1, 1, 1, 0, 0, true)]
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[InlineData (1, 2, 1, 1, 0, true)]
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[InlineData (1, 1, 2, 0, 1, true)]
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[InlineData (1, 9, 1, 8, 0, true)]
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[InlineData (1, 1, 9, 0, 8, true)]
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// click outside view tests
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[InlineData (0, -1, -1, 0, 0, false)]
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[InlineData (0, 0, -1, 0, 0, false)]
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[InlineData (0, -1, 0, 0, 0, false)]
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[InlineData (0, 0, 10, 0, 0, false)]
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[InlineData (0, 10, 0, 0, 0, false)]
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[InlineData (0, 10, 10, 0, 0, false)]
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// view is offset from origin ; click is outside view
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[InlineData (1, 0, 0, 0, 0, false)]
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[InlineData (1, 1, 0, 0, 0, false)]
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[InlineData (1, 0, 1, 0, 0, false)]
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[InlineData (1, 9, 0, 0, 0, false)]
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[InlineData (1, 0, 9, 0, 0, false)]
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public void MouseCoordinatesTest_NoAdornments (
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int offset,
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int clickX,
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int clickY,
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int expectedX,
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int expectedY,
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bool expectedClicked
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)
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{
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Size size = new (10, 10);
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Point pos = new (offset, offset);
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var clicked = false;
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var view = new View
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{
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X = pos.X,
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Y = pos.Y,
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Width = size.Width,
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Height = size.Height
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};
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var mouseEvent = new MouseEventArgs { ScreenPosition = new (clickX, clickY), Flags = MouseFlags.Button1Clicked };
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view.MouseClick += (s, e) =>
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{
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Assert.Equal (expectedX, e.Position.X);
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Assert.Equal (expectedY, e.Position.Y);
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clicked = true;
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};
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var top = new Toplevel ();
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top.Add (view);
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Application.Begin (top);
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Application.RaiseMouseEvent (mouseEvent);
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Assert.Equal (expectedClicked, clicked);
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top.Dispose ();
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}
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/// <summary>
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/// Tests that the mouse coordinates passed to the focused view are correct when the mouse is clicked. With
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/// Frames; Frame != Viewport
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/// </summary>
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//[AutoInitShutdown]
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[Theory]
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// click on border
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[InlineData (0, 0, 0, 0, 0, false)]
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[InlineData (0, 1, 0, 0, 0, false)]
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[InlineData (0, 0, 1, 0, 0, false)]
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[InlineData (0, 9, 0, 0, 0, false)]
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[InlineData (0, 0, 9, 0, 0, false)]
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// outside border
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[InlineData (0, 10, 0, 0, 0, false)]
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[InlineData (0, 0, 10, 0, 0, false)]
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// view is offset from origin ; click is on border
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[InlineData (1, 1, 1, 0, 0, false)]
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[InlineData (1, 2, 1, 0, 0, false)]
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[InlineData (1, 1, 2, 0, 0, false)]
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[InlineData (1, 10, 1, 0, 0, false)]
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[InlineData (1, 1, 10, 0, 0, false)]
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// outside border
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[InlineData (1, -1, 0, 0, 0, false)]
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[InlineData (1, 0, -1, 0, 0, false)]
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[InlineData (1, 10, 10, 0, 0, false)]
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[InlineData (1, 11, 11, 0, 0, false)]
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// view is at origin, click is inside border
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[InlineData (0, 1, 1, 0, 0, true)]
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[InlineData (0, 2, 1, 1, 0, true)]
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[InlineData (0, 1, 2, 0, 1, true)]
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[InlineData (0, 8, 1, 7, 0, true)]
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[InlineData (0, 1, 8, 0, 7, true)]
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[InlineData (0, 8, 8, 7, 7, true)]
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// view is offset from origin ; click inside border
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// our view is 10x10, but has a border, so it's bounds is 8x8
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[InlineData (1, 2, 2, 0, 0, true)]
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[InlineData (1, 3, 2, 1, 0, true)]
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[InlineData (1, 2, 3, 0, 1, true)]
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[InlineData (1, 9, 2, 7, 0, true)]
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[InlineData (1, 2, 9, 0, 7, true)]
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[InlineData (1, 9, 9, 7, 7, true)]
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[InlineData (1, 10, 10, 7, 7, false)]
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//01234567890123456789
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// |12345678|
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// |xxxxxxxx
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public void MouseCoordinatesTest_Border (
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int offset,
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int clickX,
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int clickY,
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int expectedX,
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int expectedY,
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bool expectedClicked
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)
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{
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Size size = new (10, 10);
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Point pos = new (offset, offset);
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var clicked = false;
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Application.Top = new Toplevel ()
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{
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Id = "top",
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};
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Application.Top.X = 0;
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Application.Top.Y = 0;
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Application.Top.Width = size.Width * 2;
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Application.Top.Height = size.Height * 2;
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Application.Top.BorderStyle = LineStyle.None;
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var view = new View { Id = "view", X = pos.X, Y = pos.Y, Width = size.Width, Height = size.Height };
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// Give the view a border. With PR #2920, mouse clicks are only passed if they are inside the view's Viewport.
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view.BorderStyle = LineStyle.Single;
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view.CanFocus = true;
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Application.Top.Add (view);
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var mouseEvent = new MouseEventArgs { Position = new (clickX, clickY), ScreenPosition = new (clickX, clickY), Flags = MouseFlags.Button1Clicked };
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view.MouseClick += (s, e) =>
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{
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Assert.Equal (expectedX, e.Position.X);
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Assert.Equal (expectedY, e.Position.Y);
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clicked = true;
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};
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Application.RaiseMouseEvent (mouseEvent);
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Assert.Equal (expectedClicked, clicked);
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Application.Top.Dispose ();
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Application.ResetState (ignoreDisposed: true);
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}
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#endregion mouse coordinate tests
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#region mouse grab tests
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[Fact (Skip = "Rebuild to use ScrollBar")]
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[AutoInitShutdown]
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public void MouseGrabView_WithNullMouseEventView ()
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{
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//var tf = new TextField { Width = 10 };
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//var sv = new ScrollView { Width = Dim.Fill (), Height = Dim.Fill () };
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//sv.SetContentSize (new (100, 100));
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//sv.Add (tf);
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//var top = new Toplevel ();
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//top.Add (sv);
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//int iterations = -1;
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//Application.Iteration += (s, a) =>
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// {
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// iterations++;
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// if (iterations == 0)
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// {
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// Assert.True (tf.HasFocus);
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// Assert.Null (Application.Mouse.MouseGrabView);
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// Application.RaiseMouseEvent (new () { ScreenPosition = new (5, 5), Flags = MouseFlags.ReportMousePosition });
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// Assert.Equal (sv, Application.Mouse.MouseGrabView);
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// MessageBox.Query ("Title", "Test", "Ok");
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// Assert.Null (Application.Mouse.MouseGrabView);
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// }
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// else if (iterations == 1)
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// {
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// // Application.Mouse.MouseGrabView is null because
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// // another toplevel (Dialog) was opened
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// Assert.Null (Application.Mouse.MouseGrabView);
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// Application.RaiseMouseEvent (new () { ScreenPosition = new (5, 5), Flags = MouseFlags.ReportMousePosition });
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// Assert.Null (Application.Mouse.MouseGrabView);
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// Application.RaiseMouseEvent (new () { ScreenPosition = new (40, 12), Flags = MouseFlags.ReportMousePosition });
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// Assert.Null (Application.Mouse.MouseGrabView);
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// Application.RaiseMouseEvent (new () { ScreenPosition = new (0, 0), Flags = MouseFlags.Button1Pressed });
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// Assert.Null (Application.Mouse.MouseGrabView);
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// Application.RequestStop ();
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// }
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// else if (iterations == 2)
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// {
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// Assert.Null (Application.Mouse.MouseGrabView);
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// Application.RequestStop ();
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// }
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// };
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//Application.Run (top);
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//top.Dispose ();
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}
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[Fact]
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[AutoInitShutdown]
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public void MouseGrabView_GrabbedMouse_UnGrabbedMouse ()
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{
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View grabView = null;
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var count = 0;
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var view1 = new View { Id = "view1" };
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var view2 = new View { Id = "view2" };
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var view3 = new View { Id = "view3" };
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Application.Mouse.GrabbedMouse += Application_GrabbedMouse;
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Application.Mouse.UnGrabbedMouse += Application_UnGrabbedMouse;
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Application.Mouse.GrabMouse (view1);
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Assert.Equal (0, count);
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Assert.Equal (grabView, view1);
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Assert.Equal (view1, Application.Mouse.MouseGrabView);
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Application.Mouse.UngrabMouse ();
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Assert.Equal (1, count);
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Assert.Equal (grabView, view1);
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Assert.Null (Application.Mouse.MouseGrabView);
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Application.Mouse.GrabbedMouse += Application_GrabbedMouse;
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Application.Mouse.UnGrabbedMouse += Application_UnGrabbedMouse;
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Application.Mouse.GrabMouse (view2);
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Assert.Equal (1, count);
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Assert.Equal (grabView, view2);
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Assert.Equal (view2, Application.Mouse.MouseGrabView);
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Application.Mouse.UngrabMouse ();
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Assert.Equal (2, count);
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Assert.Equal (grabView, view2);
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Assert.Equal (view3, Application.Mouse.MouseGrabView);
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Application.Mouse.UngrabMouse ();
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Assert.Null (Application.Mouse.MouseGrabView);
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void Application_GrabbedMouse (object sender, ViewEventArgs e)
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{
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if (count == 0)
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{
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Assert.Equal (view1, e.View);
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grabView = view1;
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}
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else
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{
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Assert.Equal (view2, e.View);
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grabView = view2;
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}
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Application.Mouse.GrabbedMouse -= Application_GrabbedMouse;
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}
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void Application_UnGrabbedMouse (object sender, ViewEventArgs e)
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{
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if (count == 0)
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{
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Assert.Equal (view1, e.View);
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Assert.Equal (grabView, e.View);
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}
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else
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{
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Assert.Equal (view2, e.View);
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Assert.Equal (grabView, e.View);
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}
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count++;
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if (count > 1)
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{
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// It's possible to grab another view after the previous was ungrabbed
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Application.Mouse.GrabMouse (view3);
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}
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Application.Mouse.UnGrabbedMouse -= Application_UnGrabbedMouse;
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}
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}
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[Fact]
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[AutoInitShutdown]
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public void View_Is_Responsible_For_Calling_UnGrabMouse_Before_Being_Disposed ()
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{
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var count = 0;
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var view = new View { Width = 1, Height = 1 };
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view.MouseEvent += (s, e) => count++;
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var top = new Toplevel ();
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top.Add (view);
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Application.Begin (top);
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Assert.Null (Application.Mouse.MouseGrabView);
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Application.Mouse.GrabMouse (view);
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Assert.Equal (view, Application.Mouse.MouseGrabView);
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top.Remove (view);
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Application.Mouse.UngrabMouse ();
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view.Dispose ();
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#if DEBUG_IDISPOSABLE
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Assert.True (view.WasDisposed);
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#endif
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Application.RaiseMouseEvent (new () { ScreenPosition = new (0, 0), Flags = MouseFlags.Button1Pressed });
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Assert.Null (Application.Mouse.MouseGrabView);
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Assert.Equal (0, count);
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top.Dispose ();
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}
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[Fact]
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[AutoInitShutdown]
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public void MouseGrab_EventSentToGrabView_HasCorrectView ()
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{
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// BEFORE FIX: viewRelativeMouseEvent.View = deepestViewUnderMouse ?? MouseGrabView (potentially targetView).
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// AFTER FIX: viewRelativeMouseEvent.View = MouseGrabView (always the grab view).
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// Test fails before fix (receivedView == targetView), passes after fix (receivedView == grabView).
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var grabView = new View
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{
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Id = "grab",
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X = 0,
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Y = 0,
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Width = 5,
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Height = 5
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};
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var targetView = new View
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{
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Id = "target",
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X = 0,
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Y = 0,
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Width = 5,
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Height = 5
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};
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View? receivedView = null;
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grabView.MouseEvent += (_, e) => receivedView = e.View;
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var top = new Toplevel { Width = 20, Height = 10 };
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top.Add (grabView);
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top.Add (targetView); // deepestViewUnderMouse = targetView
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Application.Begin (top);
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Application.Mouse.GrabMouse (grabView);
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Assert.Equal (grabView, Application.Mouse.MouseGrabView);
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Application.RaiseMouseEvent (new MouseEventArgs
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{
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ScreenPosition = new (2, 2), // Inside both views
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Flags = MouseFlags.Button1Clicked
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});
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// EXPECTED: Event sent to grab view has View == grabView.
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Assert.Equal (grabView, receivedView);
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Application.Mouse.UngrabMouse ();
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top.Dispose ();
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}
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#endregion
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}
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