Add project files.

2026-07-27 13:13:29 -07:00 · 2022-03-03 08:14:05 -06:00
parent cfa6f93211
commit 1198cc8a66
967 changed files with 118389 additions and 0 deletions
@@ -0,0 +1,81 @@
+// Decompiled with JetBrains decompiler
+// Type: Microsoft.Iris.InputHandlers.FocusHandler
+// Assembly: UIX, Version=4.8.0.0, Culture=neutral, PublicKeyToken=ddd0da4d3e678217
+// MVID: A56C6C9D-B7F6-46A9-8BDE-B3D9B8D60B11
+// Assembly location: C:\Program Files\Zune\UIX.dll
+
+using Microsoft.Iris.Input;
+using Microsoft.Iris.Markup;
+using Microsoft.Iris.Session;
+using Microsoft.Iris.UI;
+using System;
+
+namespace Microsoft.Iris.InputHandlers
+{
+    internal class FocusHandler : ModifierInputHandler
+    {
+        private FocusChangeReason _changeReason;
+        private WeakReference _gainedEventContext;
+        private WeakReference _lostEventContext;
+
+        public FocusHandler() => _changeReason = FocusChangeReason.Any;
+
+        protected override void ConfigureInteractivity()
+        {
+            base.ConfigureInteractivity();
+            if (!HandleDirect)
+                return;
+            UI.KeyInteractive = true;
+        }
+
+        public FocusChangeReason Reason
+        {
+            get => _changeReason;
+            set
+            {
+                if (_changeReason == value)
+                    return;
+                _changeReason = value;
+                FireNotification(NotificationID.Reason);
+            }
+        }
+
+        public object GainedEventContext => CheckEventContext(ref _gainedEventContext);
+
+        public object LostEventContext => CheckEventContext(ref _lostEventContext);
+
+        protected override void OnGainKeyFocus(UIClass ui, KeyFocusInfo info)
+        {
+            if (!ShouldHandleEvent(info))
+                return;
+            SetEventContext(info.Target, ref _gainedEventContext, NotificationID.GainedEventContext);
+            FireNotification(NotificationID.GainedFocus);
+        }
+
+        protected override void OnLoseKeyFocus(UIClass ui, KeyFocusInfo info)
+        {
+            if (!ShouldHandleEvent(info))
+                return;
+            SetEventContext(info.Target, ref _lostEventContext, NotificationID.LostEventContext);
+            FireNotification(NotificationID.LostFocus);
+        }
+
+        private bool ShouldHandleEvent(KeyFocusInfo info) => Library.Bits.TestAnyFlags((uint)Reason, (uint)GetFocusChangeReason(info)) && ShouldHandleEvent(GetModifiers(UISession.Default.InputManager.Modifiers));
+
+        private static FocusChangeReason GetFocusChangeReason(KeyFocusInfo info)
+        {
+            switch (info.FocusReason)
+            {
+                case KeyFocusReason.Directional:
+                    return FocusChangeReason.Directional;
+                case KeyFocusReason.Tab:
+                    return FocusChangeReason.Tab;
+                case KeyFocusReason.MouseDown:
+                case KeyFocusReason.MouseEnter:
+                    return FocusChangeReason.Mouse;
+                default:
+                    return FocusChangeReason.Other;
+            }
+        }
+    }
+}