mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-26 15:57:56 +01:00
687 lines
21 KiB
C#
687 lines
21 KiB
C#
using System.ComponentModel;
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using Xunit.Abstractions;
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namespace Terminal.Gui.ViewsTests;
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public class ButtonTests (ITestOutputHelper output)
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{
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// Test that Title and Text are the same
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[Fact]
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public void Text_Mirrors_Title ()
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{
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var view = new Button ();
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view.Title = "Hello";
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Assert.Equal ("Hello", view.Title);
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Assert.Equal ("Hello", view.TitleTextFormatter.Text);
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Assert.Equal ("Hello", view.Text);
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Assert.Equal ($"{CM.Glyphs.LeftBracket} Hello {CM.Glyphs.RightBracket}", view.TextFormatter.Text);
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view.Dispose ();
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}
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[Fact]
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public void Title_Mirrors_Text ()
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{
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var view = new Button ();
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view.Text = "Hello";
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Assert.Equal ("Hello", view.Text);
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Assert.Equal ($"{CM.Glyphs.LeftBracket} Hello {CM.Glyphs.RightBracket}", view.TextFormatter.Text);
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Assert.Equal ("Hello", view.Title);
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Assert.Equal ("Hello", view.TitleTextFormatter.Text);
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view.Dispose ();
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}
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[Theory]
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[InlineData ("01234", 0, 0, 0, 0)]
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[InlineData ("01234", 1, 0, 1, 0)]
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[InlineData ("01234", 0, 1, 0, 1)]
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[InlineData ("01234", 1, 1, 1, 1)]
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[InlineData ("01234", 10, 1, 10, 1)]
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[InlineData ("01234", 10, 3, 10, 3)]
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[InlineData ("0_1234", 0, 0, 0, 0)]
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[InlineData ("0_1234", 1, 0, 1, 0)]
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[InlineData ("0_1234", 0, 1, 0, 1)]
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[InlineData ("0_1234", 1, 1, 1, 1)]
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[InlineData ("0_1234", 10, 1, 10, 1)]
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[InlineData ("0_12你", 10, 3, 10, 3)]
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[InlineData ("0_12你", 0, 0, 0, 0)]
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[InlineData ("0_12你", 1, 0, 1, 0)]
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[InlineData ("0_12你", 0, 1, 0, 1)]
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[InlineData ("0_12你", 1, 1, 1, 1)]
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[InlineData ("0_12你", 10, 1, 10, 1)]
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public void Button_AbsoluteSize_Text (string text, int width, int height, int expectedWidth, int expectedHeight)
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{
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var btn1 = new Button
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{
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Text = text,
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Width = width,
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Height = height,
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};
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Assert.Equal (new Size (expectedWidth, expectedHeight), btn1.Frame.Size);
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Assert.Equal (new Size (expectedWidth, expectedHeight), btn1.Viewport.Size);
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Assert.Equal (new Size (expectedWidth, expectedHeight), btn1.GetContentSize ());
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Assert.Equal (new Size (expectedWidth, expectedHeight), btn1.TextFormatter.Size);
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btn1.Dispose ();
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}
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[Theory]
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[InlineData (0, 0, 0, 0)]
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[InlineData (1, 0, 1, 0)]
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[InlineData (0, 1, 0, 1)]
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[InlineData (1, 1, 1, 1)]
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[InlineData (10, 1, 10, 1)]
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[InlineData (10, 3, 10, 3)]
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public void Button_AbsoluteSize_DefaultText (int width, int height, int expectedWidth, int expectedHeight)
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{
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var btn1 = new Button
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{
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Width = width,
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Height = height,
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};
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Assert.Equal (new Size (expectedWidth, expectedHeight), btn1.Frame.Size);
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Assert.Equal (new Size (expectedWidth, expectedHeight), btn1.Viewport.Size);
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Assert.Equal (new Size (expectedWidth, expectedHeight), btn1.TextFormatter.Size);
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btn1.Dispose ();
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}
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[Fact]
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public void Button_HotKeyChanged_EventFires ()
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{
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var btn = new Button { Text = "_Yar" };
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object sender = null;
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KeyChangedEventArgs args = null;
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btn.HotKeyChanged += (s, e) =>
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{
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sender = s;
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args = e;
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};
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btn.HotKeyChanged += (s, e) =>
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{
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sender = s;
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args = e;
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};
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btn.HotKey = KeyCode.R;
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Assert.Same (btn, sender);
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Assert.Equal (KeyCode.Y, args.OldKey);
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Assert.Equal (KeyCode.R, args.NewKey);
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btn.HotKey = KeyCode.R;
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Assert.Same (btn, sender);
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Assert.Equal (KeyCode.Y, args.OldKey);
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Assert.Equal (KeyCode.R, args.NewKey);
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btn.Dispose ();
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}
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[Fact]
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public void Button_HotKeyChanged_EventFires_WithNone ()
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{
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var btn = new Button ();
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object sender = null;
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KeyChangedEventArgs args = null;
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btn.HotKeyChanged += (s, e) =>
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{
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sender = s;
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args = e;
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};
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btn.HotKey = KeyCode.R;
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Assert.Same (btn, sender);
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Assert.Equal (KeyCode.Null, args.OldKey);
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Assert.Equal (KeyCode.R, args.NewKey);
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btn.Dispose ();
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}
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[Fact]
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[SetupFakeDriver]
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public void Constructors_Defaults ()
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{
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var btn = new Button ();
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Assert.Equal (string.Empty, btn.Text);
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btn.BeginInit ();
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btn.EndInit ();
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btn.SetRelativeLayout (new (100, 100));
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Assert.Equal ($"{CM.Glyphs.LeftBracket} {CM.Glyphs.RightBracket}", btn.TextFormatter.Text);
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Assert.False (btn.IsDefault);
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Assert.Equal (Alignment.Center, btn.TextAlignment);
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Assert.Equal ('_', btn.HotKeySpecifier.Value);
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Assert.True (btn.CanFocus);
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Assert.Equal (new (0, 0, 4, 1), btn.Viewport);
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Assert.Equal (new (0, 0, 4, 1), btn.Frame);
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Assert.Equal ($"{CM.Glyphs.LeftBracket} {CM.Glyphs.RightBracket}", btn.TextFormatter.Text);
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Assert.False (btn.IsDefault);
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Assert.Equal (Alignment.Center, btn.TextAlignment);
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Assert.Equal ('_', btn.HotKeySpecifier.Value);
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Assert.True (btn.CanFocus);
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Assert.Equal (new (0, 0, 4, 1), btn.Viewport);
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Assert.Equal (new (0, 0, 4, 1), btn.Frame);
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Assert.Equal (string.Empty, btn.Title);
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Assert.Equal (KeyCode.Null, btn.HotKey);
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btn.Draw ();
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var expected = @$"
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{CM.Glyphs.LeftBracket} {CM.Glyphs.RightBracket}
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";
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TestHelpers.AssertDriverContentsWithFrameAre (expected, output);
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btn.Dispose ();
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btn = new () { Text = "_Test", IsDefault = true };
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Assert.Equal (new (10, 1), btn.TextFormatter.Size);
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btn.BeginInit ();
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btn.EndInit ();
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Assert.Equal ('_', btn.HotKeySpecifier.Value);
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Assert.Equal (Key.T, btn.HotKey);
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Assert.Equal ("_Test", btn.Text);
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Assert.Equal (
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$"{CM.Glyphs.LeftBracket}{CM.Glyphs.LeftDefaultIndicator} Test {CM.Glyphs.RightDefaultIndicator}{CM.Glyphs.RightBracket}",
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btn.TextFormatter.Format ()
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);
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Assert.True (btn.IsDefault);
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Assert.Equal (Alignment.Center, btn.TextAlignment);
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Assert.True (btn.CanFocus);
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btn.SetRelativeLayout (new (100, 100));
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// 0123456789012345678901234567890123456789
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// [* Test *]
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Assert.Equal ('_', btn.HotKeySpecifier.Value);
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Assert.Equal (10, btn.TextFormatter.Format ().Length);
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Assert.Equal (new (10, 1), btn.TextFormatter.Size);
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Assert.Equal (new (10, 1), btn.GetContentSize ());
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Assert.Equal (new (0, 0, 10, 1), btn.Viewport);
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Assert.Equal (new (0, 0, 10, 1), btn.Frame);
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Assert.Equal (KeyCode.T, btn.HotKey);
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btn.Dispose ();
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btn = new () { X = 1, Y = 2, Text = "_abc", IsDefault = true };
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btn.BeginInit ();
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btn.EndInit ();
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Assert.Equal ("_abc", btn.Text);
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Assert.Equal (Key.A, btn.HotKey);
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Assert.Equal (
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$"{CM.Glyphs.LeftBracket}{CM.Glyphs.LeftDefaultIndicator} abc {CM.Glyphs.RightDefaultIndicator}{CM.Glyphs.RightBracket}",
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btn.TextFormatter.Format ()
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);
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Assert.True (btn.IsDefault);
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Assert.Equal (Alignment.Center, btn.TextAlignment);
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Assert.Equal ('_', btn.HotKeySpecifier.Value);
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Assert.True (btn.CanFocus);
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Application.Driver.ClearContents ();
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btn.Draw ();
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expected = @$"
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{CM.Glyphs.LeftBracket}{CM.Glyphs.LeftDefaultIndicator} abc {CM.Glyphs.RightDefaultIndicator}{CM.Glyphs.RightBracket}
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";
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TestHelpers.AssertDriverContentsWithFrameAre (expected, output);
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Assert.Equal (new (0, 0, 9, 1), btn.Viewport);
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Assert.Equal (new (1, 2, 9, 1), btn.Frame);
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btn.Dispose ();
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}
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[Fact]
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public void HotKeyChange_Works ()
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{
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var clicked = false;
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var btn = new Button { Text = "_Test" };
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btn.Accept += (s, e) => clicked = true;
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Assert.Equal (KeyCode.T, btn.HotKey);
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Assert.True (btn.NewKeyDownEvent (Key.T));
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Assert.True (clicked);
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clicked = false;
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Assert.True (btn.NewKeyDownEvent (Key.T.WithAlt));
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Assert.True (clicked);
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clicked = false;
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btn.HotKey = KeyCode.E;
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Assert.True (btn.NewKeyDownEvent (Key.E.WithAlt));
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Assert.True (clicked);
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}
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[Theory]
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[InlineData (false, 0)]
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[InlineData (true, 1)]
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public void Space_Fires_Accept (bool focused, int expected)
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{
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View superView = new View ()
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{
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CanFocus = true,
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};
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Button button = new ();
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button.CanFocus = focused;
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int acceptInvoked = 0;
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button.Accept += (s, e) => acceptInvoked++;
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superView.Add (button);
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button.SetFocus ();
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Assert.Equal (focused, button.HasFocus);
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superView.NewKeyDownEvent (Key.Space);
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Assert.Equal (expected, acceptInvoked);
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superView.Dispose ();
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}
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[Theory]
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[InlineData (false, 0)]
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[InlineData (true, 1)]
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public void Enter_Fires_Accept (bool focused, int expected)
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{
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View superView = new View ()
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{
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CanFocus = true,
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};
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Button button = new ();
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button.CanFocus = focused;
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int acceptInvoked = 0;
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button.Accept += (s, e) => acceptInvoked++;
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superView.Add (button);
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button.SetFocus ();
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Assert.Equal (focused, button.HasFocus);
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superView.NewKeyDownEvent (Key.Enter);
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Assert.Equal (expected, acceptInvoked);
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superView.Dispose ();
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}
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[Theory]
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[InlineData (false, 1)]
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[InlineData (true, 1)]
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public void HotKey_Fires_Accept (bool focused, int expected)
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{
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View superView = new View ()
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{
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CanFocus = true,
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};
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Button button = new ()
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{
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HotKey = Key.A
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};
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button.CanFocus = focused;
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int acceptInvoked = 0;
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button.Accept += (s, e) => acceptInvoked++;
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superView.Add (button);
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button.SetFocus ();
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Assert.Equal (focused, button.HasFocus);
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superView.NewKeyDownEvent (Key.A);
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Assert.Equal (expected, acceptInvoked);
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superView.Dispose ();
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}
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/// <summary>
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/// This test demonstrates how to change the activation key for Button as described in the README.md keyboard
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/// handling section
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/// </summary>
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[Fact]
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[AutoInitShutdown]
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public void KeyBindingExample ()
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{
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var pressed = 0;
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var btn = new Button { Text = "Press Me" };
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btn.Accept += (s, e) => pressed++;
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// The Button class supports the Default and Accept command
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Assert.Contains (Command.HotKey, btn.GetSupportedCommands ());
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Assert.Contains (Command.Accept, btn.GetSupportedCommands ());
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var top = new Toplevel ();
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top.Add (btn);
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Application.Begin (top);
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Assert.True (btn.HasFocus);
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// default keybinding is Space which results in Command.Accept (when focused)
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Application.OnKeyDown (new ((KeyCode)' '));
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Assert.Equal (1, pressed);
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// remove the default keybinding (Space)
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btn.KeyBindings.Clear (Command.HotKey);
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btn.KeyBindings.Clear (Command.Accept);
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// After clearing the default keystroke the Space button no longer does anything for the Button
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Application.OnKeyDown (new ((KeyCode)' '));
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Assert.Equal (1, pressed);
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// Set a new binding of b for the click (Accept) event
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btn.KeyBindings.Add (Key.B, Command.HotKey); // b will now trigger the Accept command (when focused or not)
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// now pressing B should call the button click event
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Application.OnKeyDown (Key.B);
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Assert.Equal (2, pressed);
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// now pressing Shift-B should NOT call the button click event
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Application.OnKeyDown (Key.B.WithShift);
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Assert.Equal (2, pressed);
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// now pressing Alt-B should NOT call the button click event
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Application.OnKeyDown (Key.B.WithAlt);
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Assert.Equal (2, pressed);
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// now pressing Shift-Alt-B should NOT call the button click event
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Application.OnKeyDown (Key.B.WithAlt.WithShift);
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Assert.Equal (2, pressed);
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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 KeyBindings_Command ()
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{
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var clicked = false;
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var btn = new Button { Text = "_Test" };
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btn.Accept += (s, e) => clicked = true;
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var top = new Toplevel ();
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top.Add (btn);
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Application.Begin (top);
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// Hot key. Both alone and with alt
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Assert.Equal (KeyCode.T, btn.HotKey);
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Assert.True (btn.NewKeyDownEvent (Key.T));
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Assert.True (clicked);
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clicked = false;
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Assert.True (btn.NewKeyDownEvent (Key.T.WithAlt));
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Assert.True (clicked);
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clicked = false;
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Assert.True (btn.NewKeyDownEvent (btn.HotKey));
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Assert.True (clicked);
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clicked = false;
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Assert.True (btn.NewKeyDownEvent (btn.HotKey));
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Assert.True (clicked);
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clicked = false;
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// IsDefault = false
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// Space and Enter should work
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Assert.False (btn.IsDefault);
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Assert.True (btn.NewKeyDownEvent (Key.Enter));
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Assert.True (clicked);
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clicked = false;
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// IsDefault = true
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// Space and Enter should work
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btn.IsDefault = true;
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Assert.True (btn.NewKeyDownEvent (Key.Enter));
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Assert.True (clicked);
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clicked = false;
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// Toplevel does not handle Enter, so it should get passed on to button
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Assert.True (Application.Top.NewKeyDownEvent (Key.Enter));
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Assert.True (clicked);
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clicked = false;
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// Direct
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Assert.True (btn.NewKeyDownEvent (Key.Enter));
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Assert.True (clicked);
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clicked = false;
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Assert.True (btn.NewKeyDownEvent (Key.Space));
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Assert.True (clicked);
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clicked = false;
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Assert.True (btn.NewKeyDownEvent (new ((KeyCode)'T')));
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Assert.True (clicked);
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clicked = false;
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// Change hotkey:
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btn.Text = "Te_st";
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Assert.True (btn.NewKeyDownEvent (btn.HotKey));
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Assert.True (clicked);
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clicked = false;
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top.Dispose ();
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}
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[Fact]
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public void HotKey_Command_Accepts ()
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{
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var button = new Button ();
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var accepted = false;
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button.Accept += ButtonOnAccept;
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button.InvokeCommand (Command.HotKey);
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Assert.True (accepted);
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button.Dispose ();
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return;
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void ButtonOnAccept (object sender, CancelEventArgs e) { accepted = true; }
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}
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[Fact]
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public void Accept_Cancel_Event_OnAccept_Returns_True ()
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{
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var button = new Button ();
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var acceptInvoked = false;
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button.Accept += ButtonAccept;
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bool? ret = button.InvokeCommand (Command.Accept);
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Assert.True (ret);
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Assert.True (acceptInvoked);
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button.Dispose ();
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return;
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void ButtonAccept (object sender, CancelEventArgs e)
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{
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acceptInvoked = true;
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e.Cancel = true;
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}
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}
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[Fact]
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public void Setting_Empty_Text_Sets_HoKey_To_KeyNull ()
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{
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var super = new View ();
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var btn = new Button { Text = "_Test" };
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super.Add (btn);
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super.BeginInit ();
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super.EndInit ();
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Assert.Equal ("_Test", btn.Text);
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Assert.Equal (KeyCode.T, btn.HotKey);
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btn.Text = string.Empty;
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Assert.Equal ("", btn.Text);
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Assert.Equal (KeyCode.Null, btn.HotKey);
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btn.Text = string.Empty;
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Assert.Equal ("", btn.Text);
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Assert.Equal (KeyCode.Null, btn.HotKey);
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btn.Text = "Te_st";
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Assert.Equal ("Te_st", btn.Text);
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Assert.Equal (KeyCode.S, btn.HotKey);
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super.Dispose ();
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}
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[Fact]
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public void TestAssignTextToButton ()
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{
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View b = new Button { Text = "heya" };
|
|
Assert.Equal ("heya", b.Text);
|
|
Assert.Contains ("heya", b.TextFormatter.Text);
|
|
b.Text = "heyb";
|
|
Assert.Equal ("heyb", b.Text);
|
|
Assert.Contains ("heyb", b.TextFormatter.Text);
|
|
|
|
// with cast
|
|
Assert.Equal ("heyb", ((Button)b).Text);
|
|
b.Dispose ();
|
|
}
|
|
|
|
[Fact]
|
|
[AutoInitShutdown]
|
|
public void Update_Only_On_Or_After_Initialize ()
|
|
{
|
|
var btn = new Button { X = Pos.Center (), Y = Pos.Center (), Text = "Say Hello 你" };
|
|
var win = new Window { Width = Dim.Fill (), Height = Dim.Fill () };
|
|
win.Add (btn);
|
|
var top = new Toplevel ();
|
|
top.Add (win);
|
|
|
|
Assert.False (btn.IsInitialized);
|
|
|
|
Application.Begin (top);
|
|
((FakeDriver)Application.Driver).SetBufferSize (30, 5);
|
|
|
|
Assert.True (btn.IsInitialized);
|
|
Assert.Equal ("Say Hello 你", btn.Text);
|
|
Assert.Equal ($"{CM.Glyphs.LeftBracket} {btn.Text} {CM.Glyphs.RightBracket}", btn.TextFormatter.Text);
|
|
Assert.Equal (new (0, 0, 16, 1), btn.Viewport);
|
|
var btnTxt = $"{CM.Glyphs.LeftBracket} {btn.Text} {CM.Glyphs.RightBracket}";
|
|
|
|
var expected = @$"
|
|
┌────────────────────────────┐
|
|
│ │
|
|
│ {btnTxt} │
|
|
│ │
|
|
└────────────────────────────┘
|
|
";
|
|
|
|
Rectangle pos = TestHelpers.AssertDriverContentsWithFrameAre (expected, output);
|
|
Assert.Equal (new (0, 0, 30, 5), pos);
|
|
top.Dispose ();
|
|
}
|
|
|
|
[Fact]
|
|
[AutoInitShutdown]
|
|
public void Update_Parameterless_Only_On_Or_After_Initialize ()
|
|
{
|
|
var btn = new Button { X = Pos.Center (), Y = Pos.Center (), Text = "Say Hello 你" };
|
|
var win = new Window { Width = Dim.Fill (), Height = Dim.Fill () };
|
|
win.Add (btn);
|
|
var top = new Toplevel ();
|
|
top.Add (win);
|
|
|
|
Assert.False (btn.IsInitialized);
|
|
|
|
Application.Begin (top);
|
|
((FakeDriver)Application.Driver).SetBufferSize (30, 5);
|
|
|
|
Assert.True (btn.IsInitialized);
|
|
Assert.Equal ("Say Hello 你", btn.Text);
|
|
Assert.Equal ($"{CM.Glyphs.LeftBracket} {btn.Text} {CM.Glyphs.RightBracket}", btn.TextFormatter.Text);
|
|
Assert.Equal (new (0, 0, 16, 1), btn.Viewport);
|
|
var btnTxt = $"{CM.Glyphs.LeftBracket} {btn.Text} {CM.Glyphs.RightBracket}";
|
|
|
|
var expected = @$"
|
|
┌────────────────────────────┐
|
|
│ │
|
|
│ {btnTxt} │
|
|
│ │
|
|
└────────────────────────────┘
|
|
";
|
|
|
|
Rectangle pos = TestHelpers.AssertDriverContentsWithFrameAre (expected, output);
|
|
Assert.Equal (new (0, 0, 30, 5), pos);
|
|
top.Dispose ();
|
|
}
|
|
|
|
[Theory]
|
|
[InlineData (MouseFlags.Button1Pressed, MouseFlags.Button1Released, MouseFlags.Button1Clicked)]
|
|
[InlineData (MouseFlags.Button2Pressed, MouseFlags.Button2Released, MouseFlags.Button2Clicked)]
|
|
[InlineData (MouseFlags.Button3Pressed, MouseFlags.Button3Released, MouseFlags.Button3Clicked)]
|
|
[InlineData (MouseFlags.Button4Pressed, MouseFlags.Button4Released, MouseFlags.Button4Clicked)]
|
|
public void WantContinuousButtonPressed_True_ButtonClick_Accepts (MouseFlags pressed, MouseFlags released, MouseFlags clicked)
|
|
{
|
|
var me = new MouseEvent ();
|
|
|
|
var button = new Button ()
|
|
{
|
|
Width = 1,
|
|
Height = 1,
|
|
WantContinuousButtonPressed = true
|
|
};
|
|
|
|
var acceptCount = 0;
|
|
|
|
button.Accept += (s, e) => acceptCount++;
|
|
|
|
me.Flags = pressed;
|
|
button.NewMouseEvent (me);
|
|
Assert.Equal (1, acceptCount);
|
|
|
|
me.Flags = released;
|
|
button.NewMouseEvent (me);
|
|
Assert.Equal (1, acceptCount);
|
|
|
|
me.Flags = clicked;
|
|
button.NewMouseEvent (me);
|
|
Assert.Equal (1, acceptCount);
|
|
|
|
button.Dispose ();
|
|
}
|
|
|
|
[Theory]
|
|
[InlineData (MouseFlags.Button1Pressed, MouseFlags.Button1Released)]
|
|
[InlineData (MouseFlags.Button2Pressed, MouseFlags.Button2Released)]
|
|
[InlineData (MouseFlags.Button3Pressed, MouseFlags.Button3Released)]
|
|
[InlineData (MouseFlags.Button4Pressed, MouseFlags.Button4Released)]
|
|
public void WantContinuousButtonPressed_True_ButtonPressRelease_Accepts (MouseFlags pressed, MouseFlags released)
|
|
{
|
|
var me = new MouseEvent ();
|
|
|
|
var button = new Button ()
|
|
{
|
|
Width = 1,
|
|
Height = 1,
|
|
WantContinuousButtonPressed = true
|
|
};
|
|
|
|
var acceptCount = 0;
|
|
|
|
button.Accept += (s, e) => acceptCount++;
|
|
|
|
me.Flags = pressed;
|
|
button.NewMouseEvent (me);
|
|
Assert.Equal (1, acceptCount);
|
|
|
|
me.Flags = released;
|
|
button.NewMouseEvent (me);
|
|
Assert.Equal (1, acceptCount);
|
|
|
|
button.Dispose ();
|
|
}
|
|
|
|
} |