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wieslawsolteswieslawsoltes
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Add more input element triggers
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7 files changed

+311
-0
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7 files changed

+311
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lines changed

‎src/Avalonia.Xaml.Interactions.Custom/InputElement/DoubleTappedTrigger.cs

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using System.Reactive.Disposables;
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using Avalonia.Input;
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using Avalonia.Interactivity;
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using Avalonia.Xaml.Interactivity;
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namespace Avalonia.Xaml.Interactions.Custom;
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/// <summary>
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///
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/// </summary>
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public class DoubleTappedTrigger : RoutedEventTriggerBase
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{
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/// <summary>
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///
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/// </summary>
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/// <param name="disposables"></param>
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protected override void OnAttached(CompositeDisposable disposables)
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{
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if (AssociatedObject is InputElement element)
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{
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var disposable = element.AddDisposableHandler(
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InputElement.DoubleTappedEvent,
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OnDoubleTapped,
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EventRoutingStrategy);
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disposables.Add(disposable);
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}
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}
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private void OnDoubleTapped(object? sender, TappedEventArgs e)
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{
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if (!IsEnabled)
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{
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return;
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}
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e.Handled = MarkAsHandled;
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Interaction.ExecuteActions(AssociatedObject, Actions, e);
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}
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}

‎src/Avalonia.Xaml.Interactions.Custom/InputElement/GotFocusTrigger.cs

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using System.Reactive.Disposables;
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using Avalonia.Input;
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using Avalonia.Interactivity;
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using Avalonia.Xaml.Interactivity;
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namespace Avalonia.Xaml.Interactions.Custom;
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/// <summary>
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///
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/// </summary>
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public class GotFocusTrigger : RoutedEventTriggerBase
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{
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/// <summary>
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///
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/// </summary>
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/// <param name="disposables"></param>
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protected override void OnAttached(CompositeDisposable disposables)
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{
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if (AssociatedObject is InputElement element)
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{
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var disposable = element.AddDisposableHandler(
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InputElement.GotFocusEvent,
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OnGotFocus,
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EventRoutingStrategy);
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disposables.Add(disposable);
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}
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}
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private void OnGotFocus(object? sender, GotFocusEventArgs e)
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{
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if (!IsEnabled)
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{
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return;
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}
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e.Handled = MarkAsHandled;
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Interaction.ExecuteActions(AssociatedObject, Actions, e);
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}
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}

‎src/Avalonia.Xaml.Interactions.Custom/InputElement/HoldingTrigger.cs

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using System.Reactive.Disposables;
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using Avalonia.Input;
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using Avalonia.Interactivity;
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using Avalonia.Xaml.Interactivity;
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namespace Avalonia.Xaml.Interactions.Custom;
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/// <summary>
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///
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/// </summary>
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public class HoldingTrigger : RoutedEventTriggerBase
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{
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/// <summary>
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///
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/// </summary>
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/// <param name="disposables"></param>
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protected override void OnAttached(CompositeDisposable disposables)
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{
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if (AssociatedObject is InputElement element)
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{
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var disposable = element.AddDisposableHandler(
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InputElement.HoldingEvent,
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OnHolding,
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EventRoutingStrategy);
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disposables.Add(disposable);
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}
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}
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private void OnHolding(object? sender, HoldingRoutedEventArgs e)
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{
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if (!IsEnabled)
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{
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return;
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}
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e.Handled = MarkAsHandled;
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Interaction.ExecuteActions(AssociatedObject, Actions, e);
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}
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}

‎src/Avalonia.Xaml.Interactions.Custom/InputElement/LostFocusTrigger.cs

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using System.Reactive.Disposables;
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using Avalonia.Input;
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using Avalonia.Interactivity;
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using Avalonia.Xaml.Interactivity;
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namespace Avalonia.Xaml.Interactions.Custom;
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/// <summary>
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///
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/// </summary>
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public class LostFocusTrigger : RoutedEventTriggerBase
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{
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/// <summary>
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///
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/// </summary>
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/// <param name="disposables"></param>
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protected override void OnAttached(CompositeDisposable disposables)
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{
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if (AssociatedObject is InputElement element)
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{
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var disposable = element.AddDisposableHandler(
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InputElement.LostFocusEvent,
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OnLostFocus,
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EventRoutingStrategy);
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disposables.Add(disposable);
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}
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}
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private void OnLostFocus(object? sender, RoutedEventArgs e)
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{
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if (!IsEnabled)
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{
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return;
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}
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e.Handled = MarkAsHandled;
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Interaction.ExecuteActions(AssociatedObject, Actions, e);
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}
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}

‎src/Avalonia.Xaml.Interactions.Custom/InputElement/TappedTrigger.cs

+39
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using System.Reactive.Disposables;
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using Avalonia.Input;
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using Avalonia.Interactivity;
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using Avalonia.Xaml.Interactivity;
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namespace Avalonia.Xaml.Interactions.Custom;
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/// <summary>
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///
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/// </summary>
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public class TappedTrigger : RoutedEventTriggerBase
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{
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/// <summary>
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///
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/// </summary>
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/// <param name="disposables"></param>
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protected override void OnAttached(CompositeDisposable disposables)
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{
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if (AssociatedObject is InputElement element)
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{
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var disposable = element.AddDisposableHandler(
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InputElement.TappedEvent,
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OnTapped,
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EventRoutingStrategy);
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disposables.Add(disposable);
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}
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}
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private void OnTapped(object? sender, TappedEventArgs e)
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{
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if (!IsEnabled)
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{
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return;
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}
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e.Handled = MarkAsHandled;
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Interaction.ExecuteActions(AssociatedObject, Actions, e);
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}
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}

‎src/Avalonia.Xaml.Interactions.Custom/InputElement/TextInputMethodClientRequestedTrigger.cs

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using System.Reactive.Disposables;
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using Avalonia.Input;
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using Avalonia.Input.TextInput;
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using Avalonia.Interactivity;
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using Avalonia.Xaml.Interactivity;
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namespace Avalonia.Xaml.Interactions.Custom;
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/// <summary>
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///
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/// </summary>
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public class TextInputMethodClientRequestedTrigger : RoutedEventTriggerBase
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{
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static TextInputMethodClientRequestedTrigger()
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{
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EventRoutingStrategyProperty.OverrideMetadata<TextInputMethodClientRequestedTrigger>(
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new StyledPropertyMetadata<RoutingStrategies>(
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defaultValue: RoutingStrategies.Tunnel | RoutingStrategies.Bubble));
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="disposables"></param>
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protected override void OnAttached(CompositeDisposable disposables)
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{
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if (AssociatedObject is InputElement element)
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{
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var disposable = element.AddDisposableHandler(
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InputElement.TextInputMethodClientRequestedEvent,
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OnTextInputMethodClientRequested,
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EventRoutingStrategy);
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disposables.Add(disposable);
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}
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}
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private void OnTextInputMethodClientRequested(object? sender, TextInputMethodClientRequestedEventArgs e)
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{
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if (!IsEnabled)
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{
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return;
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}
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e.Handled = MarkAsHandled;
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Interaction.ExecuteActions(AssociatedObject, Actions, e);
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}
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}

‎src/Avalonia.Xaml.Interactions.Custom/InputElement/TextInputTrigger.cs

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using System.Reactive.Disposables;
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using Avalonia.Input;
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using Avalonia.Interactivity;
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using Avalonia.Xaml.Interactivity;
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namespace Avalonia.Xaml.Interactions.Custom;
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/// <summary>
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///
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/// </summary>
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public class TextInputTrigger : RoutedEventTriggerBase
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{
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static TextInputTrigger()
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{
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EventRoutingStrategyProperty.OverrideMetadata<TextInputTrigger>(
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new StyledPropertyMetadata<RoutingStrategies>(
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defaultValue: RoutingStrategies.Tunnel | RoutingStrategies.Bubble));
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}
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/// <summary>
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///
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/// </summary>
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public static readonly StyledProperty<string?> TextProperty =
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AvaloniaProperty.Register<KeyDownTrigger, string?>(nameof(Text));
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/// <summary>
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///
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/// </summary>
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public string? Text
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{
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get => GetValue(TextProperty);
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set => SetValue(TextProperty, value);
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="disposables"></param>
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protected override void OnAttached(CompositeDisposable disposables)
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{
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if (AssociatedObject is InputElement element)
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{
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var disposable = element.AddDisposableHandler(
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InputElement.TextInputEvent,
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OnTextInput,
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EventRoutingStrategy);
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disposables.Add(disposable);
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}
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}
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private void OnTextInput(object? sender, TextInputEventArgs e)
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{
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if (!IsEnabled)
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{
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return;
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}
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var text = Text;
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var haveText = text is not null && e.Text == text;
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if (text is null || haveText)
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{
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return;
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}
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e.Handled = MarkAsHandled;
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Interaction.ExecuteActions(AssociatedObject, Actions, e);
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}
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}

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