Make grouped dock dragging optional. (#1506)

src/core/MainWindow.cpp

@@ -163,10 +163,6 @@ void MainWindow::initUI()
         plugin->setupInterface(this);
     }
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
-    setDockOptions(dockOptions() | DockOption::GroupedDragging);
-#endif
-
     initLayout();
 }
 
@@ -625,6 +621,10 @@ void MainWindow::readSettingsOrDefault()
     setPanelLock();
     tabsOnTop = settings.value("tabsOnTop").toBool();
     setTabLocation();
+    bool dockGroupedDragging = settings.value("docksGroupedDragging", false).toBool();
+    ui->actionGrouped_dock_dragging->setChecked(dockGroupedDragging);
+    on_actionGrouped_dock_dragging_triggered(dockGroupedDragging);
+
     QPoint pos = settings.value("pos", QPoint(200, 200)).toPoint();
     QSize size = settings.value("size", QSize(400, 400)).toSize();
     resize(size);
@@ -641,6 +641,7 @@ void MainWindow::saveSettings()
     settings.setValue("state", saveState());
     settings.setValue("panelLock", panelLock);
     settings.setValue("tabsOnTop", tabsOnTop);
+    settings.setValue("docksGroupedDragging", ui->actionGrouped_dock_dragging->isChecked());
 }
 
 void MainWindow::readDebugSettings()
@@ -1130,6 +1131,13 @@ void MainWindow::on_actionExport_as_code_triggered()
     fileOut << Core()->cmd(cmd + " $s @ 0");
 }
 
+void MainWindow::on_actionGrouped_dock_dragging_triggered(bool checked)
+{
+    auto options = dockOptions();
+    options.setFlag(QMainWindow::DockOption::GroupedDragging, checked);
+    setDockOptions(options);
+}
+
 
 void MainWindow::projectSaved(bool successfully, const QString &name)
 {

src/core/MainWindow.h

@@ -177,6 +177,8 @@ private slots:
 
     void on_actionExport_as_code_triggered();
 
+    void on_actionGrouped_dock_dragging_triggered(bool checked);
+
     void projectSaved(bool successfully, const QString &name);
 
     void updateTasksIndicator();

src/core/MainWindow.ui

@@ -89,6 +89,7 @@
     <addaction name="separator"/>
     <addaction name="actionLock"/>
     <addaction name="actionTabs_on_Top"/>
+    <addaction name="actionGrouped_dock_dragging"/>
    </widget>
    <widget class="QMenu" name="menuHelp">
     <property name="title">
@@ -1085,6 +1086,17 @@
     <string>Graph view</string>
    </property>
   </action>
+  <action name="actionGrouped_dock_dragging">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="checked">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Grouped dock dragging</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <resources>