v2rayN/v2rayN/v2rayN.Desktop/Controls/AutoCompleteBox.cs

39 lines
965 B
C#

using Avalonia.Input;
using Avalonia.Interactivity;
namespace v2rayN.Desktop.Controls;
public class AutoCompleteBox : Avalonia.Controls.AutoCompleteBox
{
static AutoCompleteBox()
{
MinimumPrefixLengthProperty.OverrideDefaultValue<AutoCompleteBox>(0);
}
public AutoCompleteBox()
{
AddHandler(PointerPressedEvent, OnBoxPointerPressed, RoutingStrategies.Tunnel);
}
private void OnBoxPointerPressed(object? sender, PointerPressedEventArgs e)
{
if (Equals(sender, this) && e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
{
SetCurrentValue(IsDropDownOpenProperty, true);
}
}
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
if (IsDropDownOpen)
return;
SetCurrentValue(IsDropDownOpenProperty, true);
}
public void Clear()
{
SetCurrentValue(SelectedItemProperty, null);
}
}