mirror of
https://github.com/AtomUI/AtomUI.git
synced 2026-10-26 11:10:34 +08:00
708 lines
28 KiB
C#
708 lines
28 KiB
C#
using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Controls.Presenters;
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using Avalonia.Media;
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using Avalonia.Styling;
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using Avalonia.Threading;
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using Avalonia.VisualTree;
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using Shouldly;
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using Xunit;
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namespace AtomUI.Desktop.Controls.Tests.Window;
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public class WindowTitleBarLayoutPanelTests
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{
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static WindowTitleBarLayoutPanelTests()
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{
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AvaloniaTestApp.EnsureInitialized();
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}
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[Fact]
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public void WindowCenter_Stays_On_The_Full_Frame_Center_With_Asymmetric_Operations()
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{
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var panel = new Desktop.Controls.WindowTitleBarLayoutPanel
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{
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Padding = new Thickness(10, 0),
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HorizontalSpacing = 8,
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TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.WindowCenter
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};
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var leading = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Leading, 80, 24);
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var title = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title, 100, 24);
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var trailing = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Trailing, 20, 24);
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Layout(panel, 400, 40);
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leading.Bounds.ShouldBe(new Rect(10, 0, 80, 40));
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title.Bounds.ShouldBe(new Rect(150, 0, 100, 40));
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trailing.Bounds.ShouldBe(new Rect(370, 0, 20, 40));
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title.Bounds.Center.X.ShouldBe(200);
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}
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[Fact]
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public void MacOS_Auto_Uses_WindowCenter_With_Asymmetric_Operations()
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{
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var panel = new Desktop.Controls.WindowTitleBarLayoutPanel
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{
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OsType = OsType.macOS,
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HorizontalSpacing = 8,
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TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.Auto
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};
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AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Leading, 80, 24);
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var title = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title, 100, 24);
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AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Trailing, 20, 24);
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Layout(panel, 400, 40);
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title.Bounds.ShouldBe(new Rect(150, 0, 100, 40));
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}
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[Fact]
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public void Native_Inset_Preserves_Padding_And_Empty_Leading_AddOn_Adds_No_Spacing()
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{
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var panel = new Desktop.Controls.WindowTitleBarLayoutPanel
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{
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OsType = OsType.macOS,
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Padding = new Thickness(20, 0),
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NativeChromeInsets = new Thickness(80, 0, 30, 0),
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HorizontalSpacing = 8,
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TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.Left
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};
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var emptyLeading = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Leading, 0, 24);
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var title = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title, 100, 24);
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var trailing = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Trailing, 40, 24);
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Layout(panel, 400, 40);
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emptyLeading.Bounds.Width.ShouldBe(0);
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title.Bounds.ShouldBe(new Rect(100, 0, 100, 40));
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trailing.Bounds.ShouldBe(new Rect(310, 0, 40, 40));
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}
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[Fact]
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public void MacOS_Native_Inset_Preserves_Content_Padding_Before_NonEmpty_Leading_Operation()
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{
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var panel = new Desktop.Controls.WindowTitleBarLayoutPanel
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{
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OsType = OsType.macOS,
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Padding = new Thickness(20, 0),
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NativeChromeInsets = new Thickness(80, 0, 0, 0),
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HorizontalSpacing = 8,
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TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.WindowCenter
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};
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var leading = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Leading, 60, 24);
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var title = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title, 100, 24);
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Layout(panel, 600, 40);
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leading.Bounds.ShouldBe(new Rect(100, 0, 60, 40));
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title.Bounds.Center.X.ShouldBe(300);
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}
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[Fact]
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public void Infinite_Measure_Includes_Effective_Native_Edge_Insets_In_The_Natural_Width()
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{
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var panel = new Desktop.Controls.WindowTitleBarLayoutPanel
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{
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OsType = OsType.macOS,
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Padding = new Thickness(20, 0, 10, 0),
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NativeChromeInsets = new Thickness(80, 0, 30, 0),
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TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.Left
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};
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AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title, 100, 24);
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panel.Measure(Size.Infinity);
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panel.DesiredSize.ShouldBe(new Size(240, 24));
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}
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[Fact]
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public void FullScreen_Drops_Reported_Native_Insets_From_The_Panel_Safe_Region()
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{
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var panel = new Desktop.Controls.WindowTitleBarLayoutPanel
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{
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OsType = OsType.macOS,
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IsCsdEnabled = false,
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WindowState = WindowState.FullScreen,
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NativeChromeInsets = new Thickness(80, 0, 0, 0),
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TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.Left
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};
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var title = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title, 100, 24);
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Layout(panel, 400, 40);
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title.Bounds.ShouldBe(new Rect(0, 0, 100, 40));
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}
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[Theory]
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[InlineData(Desktop.Controls.WindowTitleBarTitleAlignment.Left, 98)]
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[InlineData(Desktop.Controls.WindowTitleBarTitleAlignment.Center, 180)]
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[InlineData(Desktop.Controls.WindowTitleBarTitleAlignment.WindowCenter, 150)]
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[InlineData(Desktop.Controls.WindowTitleBarTitleAlignment.Right, 262)]
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public void Explicit_Alignment_Uses_The_Shared_Safe_Region_Formula(
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Desktop.Controls.WindowTitleBarTitleAlignment alignment,
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double expectedX)
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{
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var panel = new Desktop.Controls.WindowTitleBarLayoutPanel
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{
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Padding = new Thickness(10, 0),
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HorizontalSpacing = 8,
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TitleAlignment = alignment
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};
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AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Leading, 80, 24);
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var title = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title, 100, 24);
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AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Trailing, 20, 24);
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Layout(panel, 400, 40);
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title.Bounds.ShouldBe(new Rect(expectedX, 0, 100, 40));
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}
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[Fact]
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public void Empty_AddOn_Content_Does_Not_Leave_Ghost_Spacing_Across_Content_Changes()
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{
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var panel = new Desktop.Controls.WindowTitleBarLayoutPanel
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{
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HorizontalSpacing = 8,
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TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.Left
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};
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var leading = new Border();
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Desktop.Controls.WindowTitleBarLayoutPanel.SetRole(
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leading,
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Desktop.Controls.WindowTitleBarLayoutRole.Leading);
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panel.Children.Add(leading);
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var title = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title, 100, 24);
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Layout(panel, 400, 40);
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title.Bounds.X.ShouldBe(0);
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leading.Child = new FixedSizeControl(30, 24);
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panel.InvalidateMeasure();
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Layout(panel, 400, 40);
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title.Bounds.X.ShouldBe(38);
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leading.Child = null;
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panel.InvalidateMeasure();
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Layout(panel, 400, 40);
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title.Bounds.X.ShouldBe(0);
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}
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[Theory]
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[InlineData(OsType.Windows)]
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[InlineData(OsType.Linux)]
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public void Windows_And_Linux_Templated_AddOn_Content_Changes_Recalculate_The_Shared_Title_Formula(
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OsType osType)
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{
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var leftAddOn = new Border();
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var rightAddOn = new Border();
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var titleBar = new Desktop.Controls.WindowTitleBar
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{
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Width = 400,
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Height = 40,
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LeftAddOn = leftAddOn,
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RightAddOn = rightAddOn,
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Title = "Dynamic add-on",
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TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.Left
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};
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titleBar.SetValue(Desktop.Controls.WindowTitleBar.OsTypeProperty, osType);
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Application.Current!.TryFindResource(typeof(Desktop.Controls.WindowTitleBar), out var resource)
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.ShouldBeTrue();
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titleBar.Theme = resource.ShouldBeAssignableTo<ControlTheme>();
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var host = new Avalonia.Controls.Window
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{
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Width = 400,
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Height = 100,
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Content = titleBar
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};
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try
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{
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host.Show();
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titleBar.ApplyTemplate();
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host.UpdateLayout();
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var panel = titleBar.GetVisualDescendants()
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.OfType<Desktop.Controls.WindowTitleBarLayoutPanel>()
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.Single();
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var title = panel.Children.Single(child =>
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Desktop.Controls.WindowTitleBarLayoutPanel.GetRole(child) ==
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Desktop.Controls.WindowTitleBarLayoutRole.Title);
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AssertTitleMatchesCurrentLayout(titleBar, panel, title);
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var emptyX = title.Bounds.X;
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leftAddOn.Child = new Border { Width = 30, Height = 24 };
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Dispatcher.UIThread.RunJobs();
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host.UpdateLayout();
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AssertTitleMatchesCurrentLayout(titleBar, panel, title);
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title.Bounds.X.ShouldBeGreaterThan(emptyX);
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leftAddOn.Child = null;
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Dispatcher.UIThread.RunJobs();
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host.UpdateLayout();
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AssertTitleMatchesCurrentLayout(titleBar, panel, title);
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title.Bounds.X.ShouldBe(emptyX);
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titleBar.TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.Right;
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Dispatcher.UIThread.RunJobs();
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host.UpdateLayout();
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AssertTitleMatchesCurrentLayout(titleBar, panel, title);
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var emptyRightX = title.Bounds.X;
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rightAddOn.Child = new Border { Width = 30, Height = 24 };
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Dispatcher.UIThread.RunJobs();
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host.UpdateLayout();
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AssertTitleMatchesCurrentLayout(titleBar, panel, title);
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title.Bounds.X.ShouldBeLessThan(emptyRightX);
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rightAddOn.Child = null;
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Dispatcher.UIThread.RunJobs();
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host.UpdateLayout();
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AssertTitleMatchesCurrentLayout(titleBar, panel, title);
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title.Bounds.X.ShouldBe(emptyRightX);
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}
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finally
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{
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host.Close();
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}
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}
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[Theory]
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[InlineData(OsType.Linux)]
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[InlineData(OsType.Windows)]
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[InlineData(OsType.macOS)]
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public void String_Title_Is_Constrained_To_The_Safe_Region_With_Character_Ellipsis(OsType osType)
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{
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var titleBar = new Desktop.Controls.WindowTitleBar
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{
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Width = 400,
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Height = 40,
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LeftAddOn = new Border { Width = 160, Height = 24 },
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RightAddOn = new Border { Width = 48, Height = 24 },
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Title = "TitleAlignment: WindowCenter",
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TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.WindowCenter,
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LogoVisibility = Desktop.Controls.WindowTitleBarLogoVisibility.Never
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};
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titleBar.SetValue(Desktop.Controls.WindowTitleBar.OsTypeProperty, osType);
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Application.Current!.TryFindResource(typeof(Desktop.Controls.WindowTitleBar), out var resource)
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.ShouldBeTrue();
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titleBar.Theme = resource.ShouldBeAssignableTo<ControlTheme>();
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var host = new Avalonia.Controls.Window
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{
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Width = 400,
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Height = 100,
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Content = titleBar
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};
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try
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{
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host.Show();
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titleBar.ApplyTemplate();
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host.UpdateLayout();
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var titleLayout = titleBar.GetVisualDescendants()
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.OfType<Desktop.Controls.WindowTitleBarLayoutPanel>()
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.Single()
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.Children
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.Single(child =>
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Desktop.Controls.WindowTitleBarLayoutPanel.GetRole(child) ==
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Desktop.Controls.WindowTitleBarLayoutRole.Title);
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// CaptionButtonFrame 等内嵌部件模板同样定义 PART_ContentPresenter，
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// 标题部件必须在 Title 角色子树内查找，不能假设整棵树名字唯一。
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var titlePresenter = titleLayout.GetVisualDescendants()
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.OfType<ContentPresenter>()
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.Single(presenter => presenter.Name == "PART_ContentPresenter");
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titlePresenter.Bounds.Width.ShouldBeLessThanOrEqualTo(titleLayout.Bounds.Width);
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titlePresenter.TextTrimming.ShouldBe(TextTrimming.CharacterEllipsis);
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}
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finally
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{
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host.Close();
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}
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}
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[Theory]
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[InlineData(OsType.Windows)]
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[InlineData(OsType.Linux)]
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public void Windows_And_Linux_Templates_Place_Logo_At_The_Physical_Left_Edge_Before_Left_AddOn(
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OsType osType)
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{
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var titleBar = new Desktop.Controls.WindowTitleBar
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{
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Width = 400,
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Height = 40,
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Logo = new Border { Width = 16, Height = 16 },
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LeftAddOn = new Border { Width = 120, Height = 24 },
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TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.Left,
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LogoVisibility = Desktop.Controls.WindowTitleBarLogoVisibility.Always
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};
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titleBar.SetValue(Desktop.Controls.WindowTitleBar.OsTypeProperty, osType);
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Application.Current!.TryFindResource(typeof(Desktop.Controls.WindowTitleBar), out var resource)
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.ShouldBeTrue();
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titleBar.Theme = resource.ShouldBeAssignableTo<ControlTheme>();
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var host = new Avalonia.Controls.Window
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{
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Width = 400,
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Height = 100,
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Content = titleBar
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};
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try
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{
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host.Show();
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titleBar.ApplyTemplate();
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host.UpdateLayout();
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var logoPresenter = titleBar.GetVisualDescendants()
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.OfType<ContentPresenter>()
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.Single(presenter => presenter.Name == "PART_Logo");
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var leftAddOnPresenter = titleBar.GetVisualDescendants()
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.OfType<ContentPresenter>()
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.Single(presenter => presenter.Name == "PART_LeftAddOn");
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var leadingHost = logoPresenter.GetVisualParent().ShouldBeAssignableTo<Control>()!;
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leftAddOnPresenter.GetVisualParent().ShouldBe(leadingHost);
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Desktop.Controls.WindowTitleBarLayoutPanel.GetRole(leadingHost)
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.ShouldBe(Desktop.Controls.WindowTitleBarLayoutRole.Leading);
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logoPresenter.Bounds.X.ShouldBeLessThan(leftAddOnPresenter.Bounds.X);
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logoPresenter.Bounds.X.ShouldBe(0, 0.5);
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(leftAddOnPresenter.Bounds.X - logoPresenter.Bounds.Right).ShouldBe(4, 0.5);
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}
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finally
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{
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host.Close();
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}
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}
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[Theory]
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[InlineData(OsType.Windows)]
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[InlineData(OsType.Linux)]
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public void Windows_And_Linux_Logo_Left_AddOn_Spacing_Tracks_Presenter_Visibility(
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OsType osType)
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{
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var titleBar = new Desktop.Controls.WindowTitleBar
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{
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Width = 400,
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Height = 40,
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Logo = new Border { Width = 16, Height = 16 },
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LeftAddOn = new Border { Width = 120, Height = 24 },
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TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.Left,
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LogoVisibility = Desktop.Controls.WindowTitleBarLogoVisibility.Always
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};
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titleBar.SetValue(Desktop.Controls.WindowTitleBar.OsTypeProperty, osType);
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Application.Current!.TryFindResource(typeof(Desktop.Controls.WindowTitleBar), out var resource)
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.ShouldBeTrue();
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titleBar.Theme = resource.ShouldBeAssignableTo<ControlTheme>();
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var host = new Avalonia.Controls.Window
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{
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Width = 400,
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Height = 100,
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Content = titleBar
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};
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try
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{
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host.Show();
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titleBar.ApplyTemplate();
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host.UpdateLayout();
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var logoPresenter = titleBar.GetVisualDescendants()
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.OfType<ContentPresenter>()
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.Single(presenter => presenter.Name == "PART_Logo");
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var leftAddOnPresenter = titleBar.GetVisualDescendants()
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.OfType<ContentPresenter>()
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.Single(presenter => presenter.Name == "PART_LeftAddOn");
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var leadingHost = logoPresenter.GetVisualParent().ShouldBeAssignableTo<Control>()!;
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(leftAddOnPresenter.Bounds.X - logoPresenter.Bounds.Right).ShouldBe(4, 0.5);
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titleBar.LogoVisibility = Desktop.Controls.WindowTitleBarLogoVisibility.Never;
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Dispatcher.UIThread.RunJobs();
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host.UpdateLayout();
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logoPresenter.IsVisible.ShouldBeFalse();
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leftAddOnPresenter.Bounds.X.ShouldBe(0, 0.5);
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titleBar.LogoVisibility = Desktop.Controls.WindowTitleBarLogoVisibility.Always;
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titleBar.LeftAddOn = null;
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Dispatcher.UIThread.RunJobs();
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host.UpdateLayout();
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logoPresenter.IsVisible.ShouldBeTrue();
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leftAddOnPresenter.IsVisible.ShouldBeFalse();
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leadingHost.Bounds.Width.ShouldBe(logoPresenter.Bounds.Width, 0.5);
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}
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finally
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{
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host.Close();
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}
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}
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[Theory]
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[InlineData(OsType.Windows, Desktop.Controls.WindowTitleBarTitleAlignment.Left)]
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[InlineData(OsType.Windows, Desktop.Controls.WindowTitleBarTitleAlignment.Center)]
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[InlineData(OsType.Windows, Desktop.Controls.WindowTitleBarTitleAlignment.WindowCenter)]
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[InlineData(OsType.Windows, Desktop.Controls.WindowTitleBarTitleAlignment.Right)]
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[InlineData(OsType.Linux, Desktop.Controls.WindowTitleBarTitleAlignment.Left)]
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[InlineData(OsType.Linux, Desktop.Controls.WindowTitleBarTitleAlignment.Center)]
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[InlineData(OsType.Linux, Desktop.Controls.WindowTitleBarTitleAlignment.WindowCenter)]
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[InlineData(OsType.Linux, Desktop.Controls.WindowTitleBarTitleAlignment.Right)]
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public void Windows_And_Linux_Template_Title_Alignment_Still_Uses_The_Shared_Safe_Region_Formula(
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OsType osType,
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Desktop.Controls.WindowTitleBarTitleAlignment alignment)
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{
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var titleBar = new Desktop.Controls.WindowTitleBar
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{
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Width = 800,
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Height = 40,
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Logo = new Border { Width = 16, Height = 16 },
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LeftAddOn = new Border { Width = 64, Height = 24 },
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RightAddOn = new Border { Width = 48, Height = 24 },
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Title = new Border { Width = 100, Height = 24 },
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TitleAlignment = alignment,
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LogoVisibility = Desktop.Controls.WindowTitleBarLogoVisibility.Always
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};
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titleBar.SetValue(Desktop.Controls.WindowTitleBar.OsTypeProperty, osType);
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Application.Current!.TryFindResource(typeof(Desktop.Controls.WindowTitleBar), out var resource)
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.ShouldBeTrue();
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titleBar.Theme = resource.ShouldBeAssignableTo<ControlTheme>();
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var host = new Avalonia.Controls.Window
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{
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Width = 800,
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Height = 100,
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Content = titleBar
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};
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try
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{
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host.Show();
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titleBar.ApplyTemplate();
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host.UpdateLayout();
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var panel = titleBar.GetVisualDescendants()
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.OfType<Desktop.Controls.WindowTitleBarLayoutPanel>()
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.Single();
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var leading = FindRoleChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Leading);
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var title = FindRoleChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title);
|
||
var trailing = FindRoleChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Trailing);
|
||
|
||
var expectedX = CalculateExpectedTitleX(
|
||
titleBar.Width,
|
||
panel,
|
||
leading.Bounds.Width,
|
||
title.Bounds.Width,
|
||
trailing.Bounds.Width,
|
||
alignment);
|
||
|
||
title.Bounds.X.ShouldBe(expectedX, 0.5);
|
||
if (alignment == Desktop.Controls.WindowTitleBarTitleAlignment.WindowCenter)
|
||
{
|
||
title.Bounds.Center.X.ShouldBe(titleBar.Width / 2, 0.5);
|
||
}
|
||
}
|
||
finally
|
||
{
|
||
host.Close();
|
||
}
|
||
}
|
||
|
||
[Fact]
|
||
public void Hidden_AddOn_Does_Not_Occupy_The_Title_Safe_Region()
|
||
{
|
||
var panel = new Desktop.Controls.WindowTitleBarLayoutPanel
|
||
{
|
||
HorizontalSpacing = 8,
|
||
TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.Left
|
||
};
|
||
var leading = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Leading, 40, 24);
|
||
leading.IsVisible = false;
|
||
var title = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title, 100, 24);
|
||
|
||
Layout(panel, 400, 40);
|
||
|
||
title.Bounds.X.ShouldBe(0);
|
||
}
|
||
|
||
[Fact]
|
||
public void AddOn_Margin_Is_Measured_Once_Before_The_Conditional_Spacing()
|
||
{
|
||
var panel = new Desktop.Controls.WindowTitleBarLayoutPanel
|
||
{
|
||
HorizontalSpacing = 8,
|
||
TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.Left
|
||
};
|
||
var leading = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Leading, 20, 24);
|
||
leading.Margin = new Thickness(5, 0);
|
||
var title = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title, 100, 24);
|
||
|
||
Layout(panel, 400, 40);
|
||
|
||
leading.DesiredSize.Width.ShouldBe(30);
|
||
title.Bounds.X.ShouldBe(38);
|
||
}
|
||
|
||
[Theory]
|
||
[InlineData(Desktop.Controls.WindowTitleBarTitleAlignment.Left)]
|
||
[InlineData(Desktop.Controls.WindowTitleBarTitleAlignment.Center)]
|
||
[InlineData(Desktop.Controls.WindowTitleBarTitleAlignment.WindowCenter)]
|
||
[InlineData(Desktop.Controls.WindowTitleBarTitleAlignment.Right)]
|
||
public void Intersecting_Operation_Regions_Collapse_The_Title_First(
|
||
Desktop.Controls.WindowTitleBarTitleAlignment alignment)
|
||
{
|
||
var panel = new Desktop.Controls.WindowTitleBarLayoutPanel
|
||
{
|
||
HorizontalSpacing = 8,
|
||
TitleAlignment = alignment
|
||
};
|
||
AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Leading, 60, 24);
|
||
var title = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title, 100, 24);
|
||
AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Trailing, 60, 24);
|
||
|
||
Layout(panel, 100, 40);
|
||
|
||
title.Bounds.Width.ShouldBe(0);
|
||
}
|
||
|
||
[Fact]
|
||
public void Invalid_And_Negative_Metrics_Normalize_To_Zero()
|
||
{
|
||
var panel = new Desktop.Controls.WindowTitleBarLayoutPanel
|
||
{
|
||
Padding = new Thickness(double.NaN, 0, -10, 0),
|
||
NativeChromeInsets = new Thickness(double.PositiveInfinity, 0, double.NegativeInfinity, 0),
|
||
HorizontalSpacing = double.NaN,
|
||
TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.Left
|
||
};
|
||
var title = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title, 100, 24);
|
||
|
||
Layout(panel, 400, 40);
|
||
|
||
title.Bounds.ShouldBe(new Rect(0, 0, 100, 40));
|
||
}
|
||
|
||
[Fact]
|
||
public void RightToLeft_Does_Not_Swap_The_Physical_Left_And_Right_Contracts()
|
||
{
|
||
var panel = new Desktop.Controls.WindowTitleBarLayoutPanel
|
||
{
|
||
FlowDirection = FlowDirection.RightToLeft,
|
||
HorizontalSpacing = 8,
|
||
TitleAlignment = Desktop.Controls.WindowTitleBarTitleAlignment.Left
|
||
};
|
||
AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Leading, 40, 24);
|
||
var title = AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Title, 100, 24);
|
||
AddChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Trailing, 20, 24);
|
||
|
||
Layout(panel, 400, 40);
|
||
|
||
title.Bounds.X.ShouldBe(48);
|
||
}
|
||
|
||
private static FixedSizeControl AddChild(
|
||
Desktop.Controls.WindowTitleBarLayoutPanel panel,
|
||
Desktop.Controls.WindowTitleBarLayoutRole role,
|
||
double width,
|
||
double height)
|
||
{
|
||
var child = new FixedSizeControl(width, height);
|
||
Desktop.Controls.WindowTitleBarLayoutPanel.SetRole(child, role);
|
||
panel.Children.Add(child);
|
||
return child;
|
||
}
|
||
|
||
private static Control FindRoleChild(
|
||
Desktop.Controls.WindowTitleBarLayoutPanel panel,
|
||
Desktop.Controls.WindowTitleBarLayoutRole role)
|
||
{
|
||
return panel.Children.Single(child =>
|
||
Desktop.Controls.WindowTitleBarLayoutPanel.GetRole(child) == role);
|
||
}
|
||
|
||
private static void AssertTitleMatchesCurrentLayout(
|
||
Desktop.Controls.WindowTitleBar titleBar,
|
||
Desktop.Controls.WindowTitleBarLayoutPanel panel,
|
||
Control title)
|
||
{
|
||
var leading = FindRoleChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Leading);
|
||
var trailing = FindRoleChild(panel, Desktop.Controls.WindowTitleBarLayoutRole.Trailing);
|
||
var expectedX = CalculateExpectedTitleX(
|
||
titleBar.Width,
|
||
panel,
|
||
leading.Bounds.Width,
|
||
title.Bounds.Width,
|
||
trailing.Bounds.Width,
|
||
titleBar.TitleAlignment);
|
||
|
||
title.Bounds.X.ShouldBe(expectedX, 0.5);
|
||
}
|
||
|
||
private static double CalculateExpectedTitleX(
|
||
double width,
|
||
Desktop.Controls.WindowTitleBarLayoutPanel panel,
|
||
double leadingWidth,
|
||
double titleWidth,
|
||
double trailingWidth,
|
||
Desktop.Controls.WindowTitleBarTitleAlignment alignment)
|
||
{
|
||
var effectiveAlignment = alignment == Desktop.Controls.WindowTitleBarTitleAlignment.Auto
|
||
? Desktop.Controls.WindowTitleBarLayoutStrategies.Get(panel.OsType).AutoAlignment
|
||
: alignment;
|
||
var nativeChromeInsets = Desktop.Controls.WindowTitleBarLayoutStrategies.Get(panel.OsType)
|
||
.ResolveNativeChromeInsets(
|
||
width,
|
||
panel.NativeChromeInsets,
|
||
panel.IsCsdEnabled,
|
||
panel.WindowState);
|
||
var leftBoundary = Math.Clamp(
|
||
Normalize(nativeChromeInsets.Left) + Normalize(panel.Padding.Left),
|
||
0,
|
||
width);
|
||
var rightBoundary = Math.Clamp(
|
||
width - Normalize(nativeChromeInsets.Right) - Normalize(panel.Padding.Right),
|
||
0,
|
||
width);
|
||
var horizontalSpacing = Normalize(panel.HorizontalSpacing);
|
||
var leadingOccupation = leadingWidth > 0 ? leadingWidth + horizontalSpacing : 0;
|
||
var trailingOccupation = trailingWidth > 0 ? trailingWidth + horizontalSpacing : 0;
|
||
var left = Math.Clamp(leftBoundary + leadingOccupation, 0, width);
|
||
var right = Math.Clamp(rightBoundary - trailingOccupation, 0, width);
|
||
var availableWidth = Math.Max(0, right - left);
|
||
var effectiveWidth = Math.Min(titleWidth, availableWidth);
|
||
|
||
return effectiveAlignment switch
|
||
{
|
||
Desktop.Controls.WindowTitleBarTitleAlignment.Center =>
|
||
left + (availableWidth - effectiveWidth) / 2,
|
||
Desktop.Controls.WindowTitleBarTitleAlignment.WindowCenter =>
|
||
width / 2 - Math.Min(
|
||
titleWidth,
|
||
2 * Math.Max(0, Math.Min(width / 2 - left, right - width / 2))) / 2,
|
||
Desktop.Controls.WindowTitleBarTitleAlignment.Right => right - effectiveWidth,
|
||
_ => left
|
||
};
|
||
}
|
||
|
||
private static double Normalize(double value)
|
||
{
|
||
return double.IsFinite(value) && value > 0 ? value : 0;
|
||
}
|
||
|
||
private static void Layout(Control control, double width, double height)
|
||
{
|
||
control.Measure(new Size(width, height));
|
||
control.Arrange(new Rect(0, 0, width, height));
|
||
}
|
||
|
||
private sealed class FixedSizeControl(double width, double height) : Control
|
||
{
|
||
protected override Size MeasureOverride(Size availableSize)
|
||
{
|
||
return new Size(Math.Min(width, availableSize.Width), Math.Min(height, availableSize.Height));
|
||
}
|
||
}
|
||
}
|