Files
Ursa.Avalonia/src/Ursa/Controls/KeyGestureInput.cs
2023-07-30 22:26:38 +08:00

105 lines
3.6 KiB
C#

using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Converters;
using Avalonia.Controls.Primitives;
using Avalonia.Input;
using Avalonia.Layout;
namespace Ursa.Controls;
public class KeyGestureInput: TemplatedControl
{
static KeyGestureInput()
{
InputElement.FocusableProperty.OverrideDefaultValue<KeyGestureInput>(true);
}
public static readonly StyledProperty<KeyGesture> GestureProperty = AvaloniaProperty.Register<KeyGestureInput, KeyGesture>(
nameof(Gesture));
public KeyGesture Gesture
{
get => GetValue(GestureProperty);
set => SetValue(GestureProperty, value);
}
public static readonly StyledProperty<IList<Key>?> AcceptableKeysProperty = AvaloniaProperty.Register<KeyGestureInput, IList<Key>?>(
nameof(AcceptableKeys));
public IList<Key>? AcceptableKeys
{
get => GetValue(AcceptableKeysProperty);
set => SetValue(AcceptableKeysProperty, value);
}
public static readonly StyledProperty<bool> ConsiderKeyModifiersProperty = AvaloniaProperty.Register<KeyGestureInput, bool>(
nameof(ConsiderKeyModifiers), true);
public bool ConsiderKeyModifiers
{
get => GetValue(ConsiderKeyModifiersProperty);
set => SetValue(ConsiderKeyModifiersProperty, value);
}
public static readonly StyledProperty<HorizontalAlignment> HorizontalContentAlignmentProperty =
ContentControl.HorizontalContentAlignmentProperty.AddOwner<KeyGestureInput>(
new StyledPropertyMetadata<HorizontalAlignment>(HorizontalAlignment.Center));
public HorizontalAlignment HorizontalContentAlignment
{
get => GetValue(HorizontalContentAlignmentProperty);
set => SetValue(HorizontalContentAlignmentProperty, value);
}
public static readonly StyledProperty<VerticalAlignment> VerticalContentAlignmentProperty =
ContentControl.VerticalContentAlignmentProperty.AddOwner<KeyGestureInput>(
new StyledPropertyMetadata<VerticalAlignment>(VerticalAlignment.Center));
public VerticalAlignment VerticalContentAlignment
{
get => GetValue(VerticalContentAlignmentProperty);
set => SetValue(VerticalContentAlignmentProperty, value);
}
protected override void OnKeyDown(KeyEventArgs e)
{
// base.OnKeyDown(e);
if (AcceptableKeys is not null && !AcceptableKeys.Contains(e.Key))
{
return;
}
if (!ConsiderKeyModifiers)
{
if(e.Key == Key.LeftCtrl || e.Key == Key.RightCtrl || e.Key == Key.LeftAlt || e.Key == Key.RightAlt || e.Key == Key.LeftShift || e.Key == Key.RightShift || e.Key == Key.LWin || e.Key == Key.RWin)
{
return;
}
Gesture = new KeyGesture(e.Key);
}
KeyGesture gesture;
if (e.KeyModifiers == KeyModifiers.Control && (e.Key == Key.LeftCtrl || e.Key == Key.RightCtrl))
{
gesture = new KeyGesture(e.Key);
}
else if (e.KeyModifiers == KeyModifiers.Alt && (e.Key == Key.LeftAlt || e.Key == Key.RightAlt))
{
gesture = new KeyGesture(e.Key);
}
else if (e.KeyModifiers == KeyModifiers.Shift && (e.Key == Key.LeftShift || e.Key == Key.RightShift))
{
gesture = new KeyGesture(e.Key);
}
else if (e.KeyModifiers == KeyModifiers.Meta && (e.Key == Key.LWin || e.Key == Key.RWin))
{
gesture = new KeyGesture(e.Key);
}
else
{
gesture = new KeyGesture(e.Key, e.KeyModifiers);
}
Gesture = gesture;
e.Handled = true;
}
}