From e17372e723555cd9eb7b4efcb553812e0b98f37b Mon Sep 17 00:00:00 2001
From: Timur Pocheptsov <timur.pocheptsov@qt.io>
Date: Thu, 6 Oct 2022 13:57:07 +0200
Subject: [PATCH] QCocoaWindow::windowStyleMask: make popups non-resizable
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Otherwise, context menu can be resized.

Pick-to: 6.4 6.2
Task-number: QTBUG-106925
Change-Id: I409d0113fd92ca89b14f068c391dd9c0ddb79ce7
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
---
 src/plugins/platforms/cocoa/qcocoawindow.mm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plugins/platforms/cocoa/qcocoawindow.mm b/src/plugins/platforms/cocoa/qcocoawindow.mm
index c0eb7a93065..24b0154c79d 100644
--- a/src/plugins/platforms/cocoa/qcocoawindow.mm
+++ b/src/plugins/platforms/cocoa/qcocoawindow.mm
@@ -526,9 +526,11 @@ NSUInteger QCocoaWindow::windowStyleMask(Qt::WindowFlags flags)
     // working (for example minimizing frameless windows, or resizing
     // windows that don't have zoom or fullscreen titlebar buttons).
     styleMask |= NSWindowStyleMaskClosable
-               | NSWindowStyleMaskResizable
                | NSWindowStyleMaskMiniaturizable;
 
+    if (type != Qt::Popup) // We only care about popups exactly.
+        styleMask |= NSWindowStyleMaskResizable;
+
     if (type == Qt::Tool)
         styleMask |= NSWindowStyleMaskUtilityWindow;