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Input handling in Avalonia Map and MapItem

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This commit is contained in:
ClemensFischer 2025-03-19 17:16:22 +01:00
parent f2d82e910b
commit 1bb03e1102
3 changed files with 22 additions and 20 deletions
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13
MapControl/Avalonia/Map.Avalonia.cs
View file

@ -72,15 +72,20 @@ namespace MapControl
{
HandleManipulation(point.Pointer, point.Position);
}
else if (point.Pointer.Type == PointerType.Mouse || ManipulationModes.HasFlag(ManipulationModes.Translate))
else if (point.Pointer.Type == PointerType.Mouse ||
ManipulationModes.HasFlag(ManipulationModes.Translate))
{
TranslateMap(new Point(point.Position.X - position1.X, point.Position.Y - position1.Y));
position1 = point.Position;
}
}
else if (
pointer1 == null && point.Pointer.Type == PointerType.Mouse && point.Properties.IsLeftButtonPressed && e.KeyModifiers == KeyModifiers.None ||
pointer2 == null && point.Pointer.Type == PointerType.Touch && ManipulationModes != ManipulationModes.None)
else if (pointer1 == null &&
point.Pointer.Type == PointerType.Mouse &&
point.Properties.IsLeftButtonPressed &&
e.KeyModifiers == KeyModifiers.None ||
pointer2 == null &&
point.Pointer.Type == PointerType.Touch &&
ManipulationModes != ManipulationModes.None)
{
point.Pointer.Capture(this);

22
MapControl/Avalonia/MapItem.Avalonia.cs
View file

@ -11,9 +11,10 @@
protected override void OnPointerPressed(PointerPressedEventArgs e)
{
if (e.Pointer.Type == PointerType.Touch)
if (e.Pointer.Type != PointerType.Mouse &&
ItemsControl.ItemsControlFromItemContainer(this) is MapItemsControl mapItemsControl)
{
UpdateSelection(e);
mapItemsControl.UpdateSelection(this, e);
}
e.Handled = true;
@ -21,19 +22,14 @@
protected override void OnPointerReleased(PointerReleasedEventArgs e)
{
UpdateSelection(e);
if (e.Pointer.Type == PointerType.Mouse &&
e.InitialPressMouseButton == MouseButton.Left &&
ItemsControl.ItemsControlFromItemContainer(this) is MapItemsControl mapItemsControl)
{
mapItemsControl.UpdateSelection(this, e);
}
e.Handled = true;
}
private void UpdateSelection(PointerEventArgs e)
{
if (ItemsControl.ItemsControlFromItemContainer(this) is MapItemsControl mapItemsControl)
{
mapItemsControl.UpdateSelection(this,
e.KeyModifiers.HasFlag(KeyModifiers.Control),
e.KeyModifiers.HasFlag(KeyModifiers.Shift));
}
}
}
}

7
MapControl/Avalonia/MapItemsControl.Avalonia.cs
View file

@ -57,15 +57,16 @@ namespace MapControl
}
}
internal void UpdateSelection(MapItem mapItem, bool controlKeyPressed, bool shiftKeyPressed)
internal void UpdateSelection(MapItem mapItem, PointerEventArgs e)
{
if (SelectionMode != SelectionMode.Single && shiftKeyPressed)
if (SelectionMode != SelectionMode.Single &&
e.KeyModifiers.HasFlag(KeyModifiers.Shift))
{
SelectItemsInRange(mapItem);
}
else
{
UpdateSelection(mapItem, true, false, controlKeyPressed);
UpdateSelection(mapItem, true, false, e.KeyModifiers.HasFlag(KeyModifiers.Control));
}
}
}