Merge pull request #43 from irihitech/hotkey

Add new Control: KeyGestureInput
2023-08-05 01:02:15 +08:00
parent e6c0dfbbc6 20a0152b76
commit 80fc6ffa7b
16 changed files with 238 additions and 8 deletions
--- a/src/Ursa/Controls/KeyGestureInput.cs
+++ b/src/Ursa/Controls/KeyGestureInput.cs
@@ -0,0 +1,97 @@
+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 is Key.LeftCtrl or Key.RightCtrl or Key.LeftAlt or Key.RightAlt or Key.LeftShift or Key.RightShift or Key.LWin or Key.RWin)
+            {
+                return;
+            }
+            Gesture = new KeyGesture(e.Key);
+        }
+        KeyGesture gesture;
+        switch (e.KeyModifiers)
+        {
+            case KeyModifiers.Control when e.Key is Key.LeftCtrl or Key.RightCtrl:
+            case KeyModifiers.Alt when e.Key is Key.LeftAlt or Key.RightAlt:
+            case KeyModifiers.Shift when e.Key is Key.LeftShift or Key.RightShift:
+            case KeyModifiers.Meta when e.Key is Key.LWin or Key.RWin:
+                gesture = new KeyGesture(e.Key);
+                break;
+            default:
+                gesture = new KeyGesture(e.Key, e.KeyModifiers);
+                break;
+        }
+        Gesture = gesture;
+        e.Handled = true;
+    }
+}