From 8279f6a7782ae639ff369194dda423594234434a Mon Sep 17 00:00:00 2001
From: dmitry <dmitry@lazarus-ide.org>
Date: Fri, 5 Jun 2020 03:31:04 +0000
Subject: [PATCH] cocoa: changing button type, when drawing a toolbutton style.
 Changing the buttonType makes macOS to draw it transparent (on pre Mojave
 OSes). bug #37127

git-svn-id: trunk@63297 -
---
 lcl/interfaces/cocoa/cocoathemes.pas | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lcl/interfaces/cocoa/cocoathemes.pas b/lcl/interfaces/cocoa/cocoathemes.pas
index 1249549ba4..dcaba28763 100644
--- a/lcl/interfaces/cocoa/cocoathemes.pas
+++ b/lcl/interfaces/cocoa/cocoathemes.pas
@@ -968,7 +968,7 @@ begin
   useBezel := false;
   if Details.Element = teToolBar then
   begin
-    BtnType := NSOnOffButton;
+    BtnType := NSToggleButton;  // it usesd to be NSOnOffButton, but NSOnOffButton is not transparent.
     BezelStyle := BezelToolBar;
     useBezel := true;
   end else if Details.Element = teButton then