From 1dea80d3fd836aa173bf4165d92f0da3511a462b Mon Sep 17 00:00:00 2001
From: der richter <der.richter@gmx.de>
Date: Wed, 22 Jan 2020 17:04:33 +0100
Subject: cocoa-cb: add pinch to resize window gesture

the event returns a delta ratio so we can just add it to the current
window-scale.

Adds support for #3214
---
 video/out/cocoa-cb/events_view.swift | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'video/out/cocoa-cb/events_view.swift')

diff --git a/video/out/cocoa-cb/events_view.swift b/video/out/cocoa-cb/events_view.swift
index 73ccba527f..124a7a028d 100644
--- a/video/out/cocoa-cb/events_view.swift
+++ b/video/out/cocoa-cb/events_view.swift
@@ -179,6 +179,11 @@ class EventsView: NSView {
         }
     }
 
+    override func magnify(with event: NSEvent) {
+        cocoaCB.layer?.inLiveResize = event.phase == .ended ? false : true
+        cocoaCB.window?.addWindowScale(Double(event.magnification))
+    }
+
     func signalMouseDown(_ event: NSEvent) {
         signalMouseEvent(event, MP_KEY_STATE_DOWN)
         if event.clickCount > 1 {
-- 
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