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Revert to default ListBox mouse event handling

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ClemensFischer 2025-03-13 19:34:07 +01:00
parent 584dcd7bb4
commit 70fd58d418
4 changed files with 18 additions and 77 deletions
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18
MapControl/WinUI/MapItem.WinUI.cs
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@ -1,12 +1,10 @@
using Windows.System;
#if UWP
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
#else
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using Microsoft.UI.Xaml.Data;
using Microsoft.UI.Xaml.Input;
#endif
@ -34,21 +32,17 @@ namespace MapControl
}
/// <summary>
/// Replaces ListBoxItem pointer event handling by not calling base.OnPointerPressed.
/// Setting e.Handled = true generates a PointerReleased event in the parent MapItemsControl,
/// which differs from the behavior of the ListBox base class, where neither a PointerPressed
/// nor a PointerReleased is generated.
/// Prevent range selection by Shift+PointerPressed.
/// </summary>
protected override void OnPointerPressed(PointerRoutedEventArgs e)
{
if (!e.Handled)
if (e.KeyModifiers.HasFlag(VirtualKeyModifiers.Shift))
{
e.Handled = true;
if (ItemsControl.ItemsControlFromItemContainer(this) is MapItemsControl mapItemsControl)
{
mapItemsControl.OnItemClicked(this, e.KeyModifiers.HasFlag(VirtualKeyModifiers.Control));
}
}
else
{
base.OnPointerPressed(e);
}
}