Nikita Tsukanov
9 years ago
committed by
GitHub
GitHub
38 changed files with 505 additions and 261 deletions
@ -1,5 +1,5 @@ |
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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> |
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<ItemGroup> |
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<PackageReference Include="Moq" Version="4.7.25" /> |
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<PackageReference Include="Moq" Version="4.7.99" /> |
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</ItemGroup> |
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</Project> |
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@ -1,22 +1,41 @@ |
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<UserControl xmlns="https://github.com/avaloniaui"> |
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<StackPanel Orientation="Vertical" Gap="4"> |
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<TextBlock Classes="h1">ToolTip</TextBlock> |
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<TextBlock Classes="h2">A control which pops up a hint when a control is hovered</TextBlock> |
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<StackPanel Orientation="Vertical" |
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Gap="4"> |
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<TextBlock Classes="h1">ToolTip</TextBlock> |
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<TextBlock Classes="h2">A control which pops up a hint when a control is hovered</TextBlock> |
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<StackPanel Orientation="Horizontal" |
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<Grid RowDefinitions="Auto,Auto" |
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ColumnDefinitions="Auto,Auto" |
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Margin="0,16,0,0" |
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HorizontalAlignment="Center" |
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Gap="16"> |
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<Border Background="{StyleResource ThemeAccentBrush}" |
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Padding="48,48,48,48"> |
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<ToolTip.Tip> |
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<StackPanel> |
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<TextBlock Classes="h1">ToolTip</TextBlock> |
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<TextBlock Classes="h2">A control which pops up a hint when a control is hovered</TextBlock> |
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</StackPanel> |
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</ToolTip.Tip> |
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<TextBlock>Hover Here</TextBlock> |
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</Border> |
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HorizontalAlignment="Center"> |
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<Border Grid.Column="0" |
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Grid.Row="1" |
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Background="{StyleResource ThemeAccentBrush}" |
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Margin="5" |
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Padding="50" |
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ToolTip.Tip="This is a ToolTip"> |
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<TextBlock>Hover Here</TextBlock> |
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</Border> |
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<CheckBox Grid.Column="1" |
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Margin="5" |
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Grid.Row="0" |
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IsChecked="{Binding ElementName=Border, Path=(ToolTip.IsOpen)}" |
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Content="ToolTip Open" /> |
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<Border Name="Border" |
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Grid.Column="1" |
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Grid.Row="1" |
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Background="{StyleResource ThemeAccentBrush}" |
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Margin="5" |
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Padding="50" |
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ToolTip.Placement="Bottom"> |
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<ToolTip.Tip> |
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<StackPanel> |
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<TextBlock Classes="h1">ToolTip</TextBlock> |
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<TextBlock Classes="h2">A control which pops up a hint when a control is hovered</TextBlock> |
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</StackPanel> |
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</ToolTip.Tip> |
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<TextBlock>ToolTip bottom placement</TextBlock> |
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</Border> |
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</Grid> |
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</StackPanel> |
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</StackPanel> |
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</UserControl> |
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@ -0,0 +1,27 @@ |
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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; |
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namespace Avalonia.Controls.Templates |
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{ |
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/// <summary>
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/// Defines an element that has a <see cref="DataTemplates"/> collection.
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/// </summary>
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public interface IDataTemplateHost |
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{ |
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/// <summary>
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/// Gets the data templates for the element.
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/// </summary>
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DataTemplates DataTemplates { get; } |
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/// <summary>
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/// Gets a value indicating whether <see cref="DataTemplates"/> is initialized.
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/// </summary>
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/// <remarks>
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/// The <see cref="DataTemplates"/> property may be lazily initialized, if so this property
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/// indicates whether it has been initialized.
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/// </remarks>
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bool IsDataTemplatesInitialized { get; } |
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} |
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} |
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@ -0,0 +1,98 @@ |
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using System; |
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using Avalonia.Input; |
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using Avalonia.Threading; |
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namespace Avalonia.Controls |
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{ |
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/// <summary>
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/// Handeles <see cref="ToolTip"/> interaction with controls.
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/// </summary>
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internal sealed class ToolTipService |
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{ |
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public static ToolTipService Instance { get; } = new ToolTipService(); |
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private DispatcherTimer _timer; |
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private ToolTipService() { } |
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/// <summary>
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/// called when the <see cref="ToolTip.TipProperty"/> property changes on a control.
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/// </summary>
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/// <param name="e">The event args.</param>
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internal void TipChanged(AvaloniaPropertyChangedEventArgs e) |
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{ |
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var control = (Control)e.Sender; |
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if (e.OldValue != null) |
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{ |
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control.PointerEnter -= ControlPointerEnter; |
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control.PointerLeave -= ControlPointerLeave; |
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} |
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if (e.NewValue != null) |
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{ |
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control.PointerEnter += ControlPointerEnter; |
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control.PointerLeave += ControlPointerLeave; |
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} |
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} |
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/// <summary>
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/// Called when the pointer enters a control with an attached tooltip.
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/// </summary>
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/// <param name="sender">The event sender.</param>
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/// <param name="e">The event args.</param>
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private void ControlPointerEnter(object sender, PointerEventArgs e) |
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{ |
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StopTimer(); |
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var control = (Control)sender; |
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var showDelay = ToolTip.GetShowDelay(control); |
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if (showDelay == 0) |
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{ |
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Open(control); |
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} |
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else |
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{ |
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StartShowTimer(showDelay, control); |
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} |
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} |
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/// <summary>
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/// Called when the pointer leaves a control with an attached tooltip.
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/// </summary>
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/// <param name="sender">The event sender.</param>
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/// <param name="e">The event args.</param>
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private void ControlPointerLeave(object sender, PointerEventArgs e) |
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{ |
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var control = (Control)sender; |
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Close(control); |
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} |
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private void StartShowTimer(int showDelay, Control control) |
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{ |
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_timer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(showDelay) }; |
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_timer.Tick += (o, e) => Open(control); |
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_timer.Start(); |
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} |
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private void Open(Control control) |
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{ |
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StopTimer(); |
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ToolTip.SetIsOpen(control, true); |
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} |
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private void Close(Control control) |
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{ |
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StopTimer(); |
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ToolTip.SetIsOpen(control, false); |
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} |
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private void StopTimer() |
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{ |
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_timer?.Stop(); |
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_timer = null; |
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} |
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} |
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} |
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