Steven Kirk
10 years ago
20 changed files with 259 additions and 83 deletions
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System.Collections.Generic; |
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using System.Linq; |
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using Avalonia.Controls; |
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namespace Avalonia.Diagnostics.Views |
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{ |
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/// <summary>
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/// A simple grid control that lays out columns with a equal width and rows to their desired
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/// size.
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/// </summary>
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/// <remarks>
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/// This is used in the devtools because our <see cref="Grid"/> performance sucks.
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/// </remarks>
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public class SimpleGrid : Panel |
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{ |
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private List<double> _columnWidths = new List<double>(); |
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private List<double> _rowHeights = new List<double>(); |
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private double _totalWidth; |
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private double _totalHeight; |
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/// <summary>
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/// Defines the Column attached property.
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/// </summary>
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public static readonly AttachedProperty<int> ColumnProperty = |
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AvaloniaProperty.RegisterAttached<SimpleGrid, Control, int>("Column"); |
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/// <summary>
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/// Defines the Row attached property.
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/// </summary>
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public static readonly AttachedProperty<int> RowProperty = |
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AvaloniaProperty.RegisterAttached<SimpleGrid, Control, int>("Row"); |
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/// <summary>
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/// Gets the value of the Column attached property for a control.
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/// </summary>
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/// <param name="control">The control.</param>
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/// <returns>The control's column.</returns>
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public static int GetColumn(IControl control) |
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{ |
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return control.GetValue(ColumnProperty); |
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} |
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/// <summary>
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/// Gets the value of the Row attached property for a control.
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/// </summary>
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/// <param name="control">The control.</param>
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/// <returns>The control's row.</returns>
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public static int GetRow(IControl control) |
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{ |
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return control.GetValue(RowProperty); |
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} |
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/// <summary>
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/// Sets the value of the Column attached property for a control.
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/// </summary>
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/// <param name="control">The control.</param>
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/// <param name="value">The column value.</param>
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public static void SetColumn(IControl control, int value) |
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{ |
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control.SetValue(ColumnProperty, value); |
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} |
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/// <summary>
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/// Sets the value of the Row attached property for a control.
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/// </summary>
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/// <param name="control">The control.</param>
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/// <param name="value">The row value.</param>
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public static void SetRow(IControl control, int value) |
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{ |
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control.SetValue(RowProperty, value); |
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} |
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protected override Size MeasureOverride(Size availableSize) |
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{ |
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_columnWidths.Clear(); |
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_rowHeights.Clear(); |
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_totalWidth = 0; |
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_totalHeight = 0; |
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foreach (var child in Children) |
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{ |
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var column = GetColumn(child); |
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var row = GetRow(child); |
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child.Measure(availableSize); |
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var desired = child.DesiredSize; |
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UpdateCell(_columnWidths, column, desired.Width, ref _totalWidth); |
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UpdateCell(_rowHeights, row, desired.Height, ref _totalHeight); |
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} |
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return new Size(_totalWidth, _totalHeight); |
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} |
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protected override Size ArrangeOverride(Size finalSize) |
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{ |
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var columnWidth = finalSize.Width / _columnWidths.Count; |
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foreach (var child in Children) |
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{ |
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var column = GetColumn(child); |
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var row = GetRow(child); |
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var rect = new Rect(column * columnWidth, GetRowTop(row), columnWidth, _rowHeights[row]); |
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child.Arrange(rect); |
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} |
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return new Size(finalSize.Width, _totalHeight); |
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} |
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private double UpdateCell(IList<double> cells, int cell, double value, ref double total) |
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{ |
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while (cells.Count < cell + 1) |
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{ |
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cells.Add(0); |
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} |
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var existing = cells[cell]; |
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if (value > existing) |
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{ |
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cells[cell] = value; |
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total += value - existing; |
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return value; |
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} |
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else |
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{ |
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return existing; |
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} |
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} |
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private double GetRowTop(int row) |
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{ |
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var result = 0.0; |
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for (var i = 0; i < row; ++i) |
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{ |
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result += _rowHeights[i]; |
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} |
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return result; |
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} |
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} |
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} |
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@ -1,10 +1,10 @@ |
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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namespace Avalonia.Controls |
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namespace Avalonia.Media |
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{ |
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/// <summary>
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/// Controls the wrapping mode in a <see cref="TextBlock"/>.
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/// Controls the wrapping mode of text.
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/// </summary>
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public enum TextWrapping |
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{ |
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@ -0,0 +1,47 @@ |
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using Avalonia.Controls; |
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using Avalonia.Layout; |
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using Avalonia.Media; |
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using Xunit; |
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#if AVALONIA_CAIRO
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namespace Avalonia.Cairo.RenderTests.Controls |
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#elif AVALONIA_SKIA
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namespace Avalonia.Skia.RenderTests |
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#else
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namespace Avalonia.Direct2D1.RenderTests.Controls |
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#endif
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{ |
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public class TextBlockTests : TestBase |
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{ |
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public TextBlockTests() |
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: base(@"Controls\TextBlock") |
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{ |
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} |
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[Fact] |
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public void Wrapping_NoWrap() |
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{ |
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Decorator target = new Decorator |
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{ |
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Padding = new Thickness(8), |
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Width = 200, |
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Height = 200, |
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Child = new TextBlock |
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{ |
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Background = Brushes.Red, |
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FontSize = 12, |
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Foreground = Brushes.Black, |
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Text = "Neque porro quisquam est qui dolorem ipsum quia dolor sit amet, consectetur, adipisci velit", |
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VerticalAlignment = VerticalAlignment.Top, |
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TextWrapping = TextWrapping.NoWrap, |
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} |
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}; |
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RenderToFile(target); |
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CompareImages(); |
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} |
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} |
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} |
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After Width: | Height: | Size: 1.2 KiB |
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