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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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13
MapControl/Avalonia/MapItem.Avalonia.cs
View file

@ -10,20 +10,17 @@
(item, oldValue, newValue) => item.UpdateMapTransform(newValue));
/// <summary>
/// Replaces ListBoxItem pointer event handling by not calling base.OnPointerPressed.
/// Setting e.Handled = true generates a PointerReleased event in the parent MapItemsControl,
/// which resembles the behavior of the ListBox base class.
/// Prevent range selection by Shift+PointerPressed.
/// </summary>
protected override void OnPointerPressed(PointerPressedEventArgs e)
{
if (!e.Handled)
if (e.KeyModifiers.HasFlag(KeyModifiers.Shift))
{
e.Handled = true;
if (ItemsControl.ItemsControlFromItemContainer(this) is MapItemsControl mapItemsControl)
}
else
{
mapItemsControl.OnItemClicked(this, e.KeyModifiers.HasFlag(KeyModifiers.Control));
}
base.OnPointerPressed(e);
}
}
}

36
MapControl/Shared/MapItemsControl.cs
View file

@ -78,41 +78,5 @@ namespace MapControl
{
SelectItemsByPosition(rect.Contains);
}
protected internal void OnItemClicked(MapItem mapItem, bool controlKeyPressed)
{
var item = ItemFromContainer(mapItem);
if (SelectionMode == SelectionMode.Single)
{
if (SelectedItem != item)
{
SelectedItem = item;
}
else if (controlKeyPressed)
{
SelectedItem = null;
}
}
else if (
#if !AVALONIA
SelectionMode == SelectionMode.Multiple ||
#endif
controlKeyPressed)
{
if (SelectedItems.Contains(item))
{
SelectedItems.Remove(item);
}
else
{
SelectedItems.Add(item);
}
}
else
{
ResetSelectedItems(item);
}
}
}
}

24
MapControl/WPF/MapItem.WPF.cs
View file

@ -1,5 +1,4 @@
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
namespace MapControl
@ -19,31 +18,18 @@ namespace MapControl
}
/// <summary>
/// Replaces ListBoxItem mouse event handling by not calling base.OnMouseLeftButtonDown.
/// Setting e.Handled = true generates a MouseLeftButtonUp event in the parent MapItemsControl,
/// which resembles the behavior of the ListBox base class.
/// Prevent range selection by Shift+MouseLeftButtonDown.
/// </summary>
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
if (!e.Handled)
if (Keyboard.Modifiers.HasFlag(ModifierKeys.Shift))
{
e.Handled = true;
if (ItemsControl.ItemsControlFromItemContainer(this) is MapItemsControl mapItemsControl)
}
else
{
mapItemsControl.OnItemClicked(this, Keyboard.Modifiers.HasFlag(ModifierKeys.Control));
base.OnMouseLeftButtonDown(e);
}
}
}
/// <summary>
/// Replaces ListBoxItem mouse event handling by not calling base.OnMouseRightButtonDown.
/// Setting e.Handled = true generates a MouseRightButtonUp event in the parent MapItemsControl,
/// which resembles the behavior of the ListBox base class.
/// </summary>
protected override void OnMouseRightButtonDown(MouseButtonEventArgs e)
{
OnMouseLeftButtonDown(e);
}
}
}

16
MapControl/WinUI/MapItem.WinUI.cs
View file

@ -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);
}
}