From 2191e9ecd59182e9418e53a3c0cb56421a4a6887 Mon Sep 17 00:00:00 2001
From: Andrey Lesnikov <ozkriff@gmail.com>
Date: Sat, 20 Jun 2020 03:42:19 +0300
Subject: [PATCH] macOS: Support click-dragging out of a window (#1607)

* macos: Support click-dragging out of a window

* macos: Use NSEvent::pressedMouseButtons for click-dragging

* macos: Click-dragging: Move pressedMouseButtons inside
---
 src/platform_impl/macos/view.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/platform_impl/macos/view.rs b/src/platform_impl/macos/view.rs
index 82ee5076..d764902d 100644
--- a/src/platform_impl/macos/view.rs
+++ b/src/platform_impl/macos/view.rs
@@ -915,8 +915,11 @@ fn mouse_motion(this: &Object, event: id) {
             || view_point.x > view_rect.size.width
             || view_point.y > view_rect.size.height
         {
-            // Point is outside of the client area (view)
-            return;
+            let mouse_buttons_down: NSInteger = msg_send![class!(NSEvent), pressedMouseButtons];
+            if mouse_buttons_down == 0 {
+                // Point is outside of the client area (view) and no buttons are pressed
+                return;
+            }
         }
 
         let x = view_point.x as f64;