From d5f310e8285e783ec914a9e75d2230731c1868fe Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Tue, 10 Oct 2017 20:54:59 +0200
Subject: Fixed crash on exit properly

---
 src/mainwindow.cpp | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 1036cbb..daf344d 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -139,16 +139,21 @@ MainWindow::MainWindow(QWidget *parent) :
 
 MainWindow::~MainWindow()
 {
+    // Release all dock widgets before deleting so we don't accidentally delete them
+    // Also fixes that annoying crash when closing
+    QList<QDockWidget*> allDockWidgets = findChildren<QDockWidget*>();
+    for(QDockWidget *w : allDockWidgets) {
+        if(w->widget()) {
+            w->widget()->setParent(0);
+        }
+    }
+
     delete ui;
 }
 
 void MainWindow::addTabbedDock(Qt::DockWidgetArea area, QWidget *widget)
 {
-    QDockWidget *dock = new QDockWidget(widget->windowTitle(), this);
-    dock->setWidget(widget);
-    addDockWidget(area, dock);
-
-    /*
+    // create a list for the dock widgets we're appending to
     QList<QDockWidget*> allDockWidgets = findChildren<QDockWidget*>();
     QVector<QDockWidget*> areaDockWidgets;
     for(QDockWidget *w : allDockWidgets) {
@@ -157,12 +162,15 @@ void MainWindow::addTabbedDock(Qt::DockWidgetArea area, QWidget *widget)
         }
     }
 
+    QDockWidget *dock = new QDockWidget(widget->windowTitle(), this);
+    dock->setWidget(widget);
+
     if(areaDockWidgets.empty()) {
         // no other widgets
-        addDockWidget(area, widget);
+        addDockWidget(area, dock);
     } else {
-        tabifyDockWidget(areaDockWidgets.last(), widget);
-    }*/
+        tabifyDockWidget(areaDockWidgets.last(), dock);
+    }
 }
 
 void MainWindow::newTab(const QUrl &url)
-- 
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