From d690882b676c4df2236dfbff42c5aa767bd71595 Mon Sep 17 00:00:00 2001
From: Jean-Francois Dockes <jf@dockes.org>
Date: Mon, 25 Nov 2019 10:04:55 +0100
Subject: [PATCH] Avoid explicit deletion of preview window: this crashes on
 the mac. Use deleteonclose flag instead

---
 src/qtgui/preview_w.cpp    | 2 ++
 src/qtgui/rclm_preview.cpp | 1 -
 src/qtgui/snippets_w.cpp   | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/qtgui/preview_w.cpp b/src/qtgui/preview_w.cpp
index 4e493833..3d1f98f5 100644
--- a/src/qtgui/preview_w.cpp
+++ b/src/qtgui/preview_w.cpp
@@ -99,6 +99,8 @@ static void trimwildcards(string& elt)
 void Preview::init()
 {
     LOGDEB("Preview::init\n");
+    setAttribute(Qt::WA_DeleteOnClose);
+    
     // Create the first tab (the tab widget is created with one
     // initial tab for ease of use in designer, we remove it).
     addEditorTab();
diff --git a/src/qtgui/rclm_preview.cpp b/src/qtgui/rclm_preview.cpp
index c7513078..1f3e9571 100644
--- a/src/qtgui/rclm_preview.cpp
+++ b/src/qtgui/rclm_preview.cpp
@@ -38,7 +38,6 @@ void RclMain::previewClosed(Preview *w)
     } else {
         LOGDEB("Old preview closed\n");
     }
-    delete w;
 }
 
 // Document up to date check. The main problem we try to solve is
diff --git a/src/qtgui/snippets_w.cpp b/src/qtgui/snippets_w.cpp
index db1c5054..2813441d 100644
--- a/src/qtgui/snippets_w.cpp
+++ b/src/qtgui/snippets_w.cpp
@@ -104,6 +104,7 @@ void SnippetsW::init()
     connect(prevPB, SIGNAL(clicked()), this, SLOT(slotEditFindPrevious()));
 
 
+    // Get rid of the placeholder widget created from the .ui
     delete browserw;
 #if defined(USING_WEBKIT)
     browserw = new QWebView(this);