Some CDockWidget improvements

* save original dock areas
* init dw_InfoBarStatus as it is not part of an info area (which does that)

src/blackgui/dockwidget.cpp

@@ -53,6 +53,7 @@ namespace BlackGui
         // init settings
         this->onStyleSheetsChanged();
         this->initTitleBarWidgets();
+        m_originalAreas = this->allowedAreas();
 
         // context menu
         m_input = new CMarginsInput(this);
@@ -257,24 +258,29 @@ namespace BlackGui
 
     void CDockWidget::toggleFloating()
     {
-        const bool floating = !this->isFloating();
-        if (!floating) { this->setFrameless(false); } // remove frameless if not floating
+        const bool changeToFloating = !this->isFloating();
+        if (!changeToFloating) { this->setFrameless(false); } // remove frameless if not floating
+
+        // disable the interactive docking
+        if (changeToFloating)
+        {
+            m_originalAreas = this->allowedAreas();
+            this->setAllowedAreas(Qt::NoDockWidgetArea);
+        }
+        else
+        {
+            this->setAllowedAreas(m_originalAreas);
+        }
+
+        this->setAlwaysOnTop(m_alwaysOnTop && changeToFloating);
+        this->setFloating(changeToFloating);
 
         const Qt::KeyboardModifiers km = QGuiApplication::queryKeyboardModifiers();
         const bool shift = km.testFlag(Qt::ShiftModifier);
 
-        this->setFloating(floating);
-        this->setAlwaysOnTop(m_alwaysOnTop && floating);
-
-        // disable the interactive docking
-        if (floating)
-        {
-            this->setAllowedAreas(Qt::NoDockWidgetArea);
-        }
-
         // with shift ALWAYS reset
-        if (shift && floating) { this->resetPosition(); }
-        if (floating)
+        if (shift && changeToFloating) { this->resetPosition(); }
+        if (changeToFloating)
         {
             // check where we are, otherwise reset if NOT appropriate
             const QPoint p = this->rect().topLeft();
@@ -392,7 +398,7 @@ namespace BlackGui
             });
             **/
 
-            event->setAccepted(false); // refuse -> do not close
+            event->setAccepted(false); // refuse -> do not close (otherwise crash)
         }
         else
         {

src/blackgui/dockwidget.h

@@ -149,7 +149,7 @@ namespace BlackGui
 
     signals:
         //! Top level has changed for given widget
-        void widgetTopLevelChanged(BlackGui::CDockWidget *, bool topLevel);
+        void widgetTopLevelChanged(CDockWidget *, bool topLevel);
 
         //! Font size signals @{
         void fontSizePlus();
@@ -242,6 +242,7 @@ namespace BlackGui
         QSize m_lastFloatingSize;                     //!< last floating position
         QPoint m_offsetWhenFloating;                  //!< initial offset to main window when floating first time
         QPoint m_lastFloatingPosition;                //!< last floating position
+        Qt::DockWidgetAreas m_originalAreas;          //!< areas before floating
 
         BlackMisc::CSetting<BlackGui::Settings::TDockWidget> m_settings { this, &CDockWidget::settingsChanged };
 

src/blackgui/dockwidgetinfobar.cpp

@@ -19,7 +19,7 @@ using namespace BlackGui::Components;
 
 namespace BlackGui
 {
-    CDockWidgetInfoBar::CDockWidgetInfoBar(QWidget *parent) : CDockWidget(parent)
+    CDockWidgetInfoBar::CDockWidgetInfoBar(QWidget *parent) : CDockWidget(false, parent)
     {
         this->setWindowTitle("Info status bar");
         this->setWindowIcon(CIcons::swift24());

src/blackgui/dockwidgetinfobar.h

@@ -34,6 +34,10 @@ namespace BlackGui
         //! Force an reload
         void reloadStyleSheet() { this->onStyleSheetsChanged(); }
 
+        //! \copydoc CDockWidget::initialFloating
+        //! \remark special case to allow init
+        virtual void initialFloating() override { CDockWidget::initialFloating(); }
+
     protected:
         //! Contribute to menu
         virtual void addToContextMenu(QMenu *contextMenu) const override;

src/swiftguistandard/swiftguistdinit.cpp

@@ -69,6 +69,8 @@ void SwiftGuiStd::init()
 
     if (m_init) { return; }
 
+    ui->dw_InfoBarStatus->initialFloating();
+
     this->setVisible(false); // hide all, so no flashing windows during init
     m_mwaStatusBar = &m_statusBar;
     m_mwaOverlayFrame = ui->fr_CentralFrameInside;