From 02e30f80f5c2293e115ef8b0679e4ddd8537d166 Mon Sep 17 00:00:00 2001
From: Sergey Mikolaitis <blasterloremaster@gmail.com>
Date: Wed, 8 Sep 2021 20:53:05 +0300
Subject: [PATCH] [OSX] Add Swipe, Rotate and Magnify PitchToZoom trackpad
 gestures as native mouse events, because they can be triggered from magic
 mouse AFAIK and creation of new TrackpadDevice is too big task for me now

---
 native/Avalonia.Native/src/OSX/window.mm | 31 ++++++++++++++++++++++++
 src/Avalonia.Native/avn.idl              |  5 +++-
 2 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/native/Avalonia.Native/src/OSX/window.mm b/native/Avalonia.Native/src/OSX/window.mm
index 14fe60ab0b..b1e923c434 100644
--- a/native/Avalonia.Native/src/OSX/window.mm
+++ b/native/Avalonia.Native/src/OSX/window.mm
@@ -1625,6 +1625,19 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
             return;
         }
     }
+    else if (type == Magnify)
+    {
+        delta.X = delta.Y = [event magnification];
+    }
+    else if (type == Rotate)
+    {
+        delta.X = delta.Y = [event rotation];
+    }
+    else if (type == Swipe)
+    {
+        delta.X = [event deltaX];
+        delta.Y = [event deltaY];
+    }
     
     auto timestamp = [event timestamp] * 1000;
     auto modifiers = [self getModifiers:[event modifierFlags]];
@@ -1749,6 +1762,24 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
     [super scrollWheel:event];
 }
 
+- (void)magnifyWithEvent:(NSEvent *)event
+{
+    [self mouseEvent:event withType:Magnify];
+    [super magnifyWithEvent:event];
+}
+
+- (void)rotateWithEvent:(NSEvent *)event
+{
+    [self mouseEvent:event withType:Rotate];
+    [super rotateWithEvent:event];
+}
+
+- (void)swipeWithEvent:(NSEvent *)event
+{
+    [self mouseEvent:event withType:Swipe];
+    [super swipeWithEvent:event];
+}
+
 - (void)mouseEntered:(NSEvent *)event
 {
     _isMouseOver = true;
diff --git a/src/Avalonia.Native/avn.idl b/src/Avalonia.Native/avn.idl
index 70d85dacdd..05fcdc71a5 100644
--- a/src/Avalonia.Native/avn.idl
+++ b/src/Avalonia.Native/avn.idl
@@ -295,7 +295,10 @@ enum AvnRawMouseEventType
     TouchBegin,
     TouchUpdate,
     TouchEnd,
-    TouchCancel
+    TouchCancel,
+    Magnify,
+    Rotate,
+    Swipe,
 }
 
 enum AvnRawKeyEventType