ADS: Integrate newest base repository commits

* Update to newest version of ADS
* Fix memory leak in DockContainerWidget

Base repository was merged until commit
59b4dfb89c0c9c0e6035fe580088432312ed2d09

Change-Id: I357b21888fe6f0ec2160c8688d84cb7ecdcad079
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

10 files changed, 247 insertions, 34 deletions

diff --git a/src/libs/advanceddockingsystem/ads_globals.h b/src/libs/advanceddockingsystem/ads_globals.h
index 6fc590f471..364f49e01e 100644
--- a/src/libs/advanceddockingsystem/ads_globals.h
+++ b/src/libs/advanceddockingsystem/ads_globals.h
@@ -66,7 +66,8 @@ enum eTitleBarButton {
     TitleBarButtonTabsMenu,
     TitleBarButtonUndock,
     TitleBarButtonClose,
-    TitleBarButtonAutoHide
+    TitleBarButtonAutoHide,
+    TitleBarButtonMinimize
 };
 
 /**
@@ -83,16 +84,17 @@ enum eDragState {
  * The different icons used in the UI
  */
 enum eIcon {
-    TabCloseIcon,               //!< TabCloseIcon
-    AutoHideIcon,               //!< AutoHideIcon
-    DockAreaMenuIcon,           //!< DockAreaMenuIcon
-    DockAreaUndockIcon,         //!< DockAreaUndockIcon
-    DockAreaCloseIcon,          //!< DockAreaCloseIcon
+    TabCloseIcon,       //!< TabCloseIcon
+    AutoHideIcon,       //!< AutoHideIcon
+    DockAreaMenuIcon,   //!< DockAreaMenuIcon
+    DockAreaUndockIcon, //!< DockAreaUndockIcon
+    DockAreaCloseIcon,  //!< DockAreaCloseIcon
+    DockAreaMinimizeIcon,
     FloatingWidgetCloseIcon,    //!< FloatingWidgetCloseIcon
     FloatingWidgetNormalIcon,   //!< FloatingWidgetNormalIcon
     FloatingWidgetMaximizeIcon, //!< FloatingWidgetMaximizeIcon
 
-    IconCount,                  //!< just a delimiter for range checks
+    IconCount, //!< just a delimiter for range checks
 };
 
 /**
diff --git a/src/libs/advanceddockingsystem/dockareatitlebar.cpp b/src/libs/advanceddockingsystem/dockareatitlebar.cpp
index 7a2e677062..54f97307da 100644
--- a/src/libs/advanceddockingsystem/dockareatitlebar.cpp
+++ b/src/libs/advanceddockingsystem/dockareatitlebar.cpp
@@ -48,10 +48,11 @@ public:
     QPointer<TitleBarButton> m_autoHideButton;
     QPointer<TitleBarButton> m_undockButton;
     QPointer<TitleBarButton> m_closeButton;
+    QPointer<TitleBarButton> m_minimizeButton;
     QBoxLayout *m_layout = nullptr;
     DockAreaWidget *m_dockArea = nullptr;
     DockAreaTabBar *m_tabBar = nullptr;
-    ElidingLabel *m_autoHideTitleLabel;
+    ElidingLabel *m_autoHideTitleLabel = nullptr;
     bool m_menuOutdated = true;
     QMenu *m_tabsMenu;
     QList<TitleBarButtonType *> m_dockWidgetActionsButtons;
@@ -202,6 +203,23 @@ void DockAreaTitleBarPrivate::createButtons()
                      q,
                      &DockAreaTitleBar::onAutoHideButtonClicked);
 
+    // Minimize button
+    m_minimizeButton = new TitleBarButton(
+        testAutoHideConfigFlag(DockManager::AutoHideHasMinimizeButton));
+    m_minimizeButton->setObjectName("dockAreaMinimizeButton");
+    //m_minimizeButton->setAutoRaise(true);
+    m_minimizeButton->setVisible(false);
+    internal::setButtonIcon(m_minimizeButton,
+                            QStyle::SP_TitleBarMinButton,
+                            ADS::DockAreaMinimizeIcon);
+    internal::setToolTip(m_minimizeButton, QObject::tr("Minimize"));
+    m_minimizeButton->setSizePolicy(sizePolicy);
+    m_layout->addWidget(m_minimizeButton, 0);
+    QObject::connect(m_minimizeButton,
+                     &QToolButton::clicked,
+                     q,
+                     &DockAreaTitleBar::minimizeAutoHideContainer);
+
     // Close button
     m_closeButton = new TitleBarButton(testConfigFlag(DockManager::DockAreaHasCloseButton));
     m_closeButton->setObjectName("dockAreaCloseButton");
@@ -228,7 +246,10 @@ void DockAreaTitleBarPrivate::createAutoHideTitleLabel()
 {
     m_autoHideTitleLabel = new ElidingLabel("");
     m_autoHideTitleLabel->setObjectName("autoHideTitleLabel");
-    m_layout->addWidget(m_autoHideTitleLabel);
+    // At position 0 is the tab bar - insert behind tab bar
+    m_layout->insertWidget(1, m_autoHideTitleLabel);
+    m_autoHideTitleLabel->setVisible(false); // Default hidden
+    m_layout->insertWidget(2, new SpacerWidget(q));
 }
 void DockAreaTitleBarPrivate::createTabBar()
 {
@@ -370,10 +391,8 @@ DockAreaTitleBar::DockAreaTitleBar(DockAreaWidget *parent)
     setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
 
     d->createTabBar();
-    d->createAutoHideTitleLabel();
-    d->m_autoHideTitleLabel->setVisible(false); // Default hidden
-    d->m_layout->addWidget(new SpacerWidget(this));
     d->createButtons();
+    d->createAutoHideTitleLabel();
     setFocusPolicy(Qt::NoFocus);
 }
 
@@ -452,6 +471,18 @@ void DockAreaTitleBar::onCloseButtonClicked()
         d->m_dockArea->closeArea();
 }
 
+void DockAreaTitleBar::onAutoHideCloseActionTriggered()
+{
+    d->m_dockArea->closeArea();
+}
+
+void DockAreaTitleBar::minimizeAutoHideContainer()
+{
+    auto autoHideContainer = d->m_dockArea->autoHideDockContainer();
+    if (autoHideContainer)
+        autoHideContainer->collapseView(true);
+}
+
 void DockAreaTitleBar::onUndockButtonClicked()
 {
     if (d->m_dockArea->features().testFlag(DockWidget::DockWidgetFloatable))
@@ -543,6 +574,8 @@ TitleBarButton *DockAreaTitleBar::button(eTitleBarButton which) const
         return d->m_closeButton;
     case TitleBarButtonAutoHide:
         return d->m_autoHideButton;
+    case TitleBarButtonMinimize:
+        return d->m_minimizeButton;
     }
     return nullptr;
 }
@@ -686,12 +719,28 @@ void DockAreaTitleBar::contextMenuEvent(QContextMenuEvent *event)
         }
         menu.addSeparator();
     }
-    QAction *closeAction = menu.addAction(isAutoHide ? Tr::tr("Close") : Tr::tr("Close Group"));
-    closeAction->connect(closeAction,
-                         &QAction::triggered,
-                         this,
-                         &DockAreaTitleBar::onCloseButtonClicked);
-    closeAction->setEnabled(d->m_dockArea->features().testFlag(DockWidget::DockWidgetClosable));
+
+    if (isAutoHide) {
+        QAction *minimizeAction = menu.addAction(Tr::tr("Minimize"));
+        minimizeAction->connect(minimizeAction,
+                                &QAction::triggered,
+                                this,
+                                &DockAreaTitleBar::minimizeAutoHideContainer);
+
+        QAction *closeAction = menu.addAction(Tr::tr("Close"));
+        closeAction->connect(closeAction,
+                             &QAction::triggered,
+                             this,
+                             &DockAreaTitleBar::onAutoHideCloseActionTriggered);
+        closeAction->setEnabled(d->m_dockArea->features().testFlag(DockWidget::DockWidgetClosable));
+    } else {
+        QAction *closeAction = menu.addAction(Tr::tr("Close Group"));
+        closeAction->connect(closeAction,
+                             &QAction::triggered,
+                             this,
+                             &DockAreaTitleBar::onCloseButtonClicked);
+        closeAction->setEnabled(d->m_dockArea->features().testFlag(DockWidget::DockWidgetClosable));
+    }
 
     if (!isAutoHide && !isTopLevelArea) {
         QAction *closeOthersAction = menu.addAction(Tr::tr("Close Other Groups"));
@@ -728,8 +777,11 @@ QString DockAreaTitleBar::titleBarButtonToolTip(eTitleBarButton button) const
         break;
 
     case TitleBarButtonClose:
-        if (d->m_dockArea->isAutoHide())
-            return Tr::tr("Close");
+        if (d->m_dockArea->isAutoHide()) {
+            bool minimize = DockManager::testAutoHideConfigFlag(
+                DockManager::AutoHideCloseButtonCollapsesDock);
+            return minimize ? Tr::tr("Minimize") : Tr::tr("Close");
+        }
 
         if (DockManager::testConfigFlag(DockManager::DockAreaCloseButtonClosesTab))
             return Tr::tr("Close Active Tab");
@@ -758,4 +810,11 @@ void DockAreaTitleBar::setAreaFloating()
     d->makeAreaFloating(mapFromGlobal(QCursor::pos()), DraggingInactive);
 }
 
+void DockAreaTitleBar::showAutoHideControls(bool show)
+{
+    d->m_tabBar->setVisible(!show); // Auto hide toolbar never has tabs
+    d->m_minimizeButton->setVisible(show);
+    d->m_autoHideTitleLabel->setVisible(show);
+}
+
 } // namespace ADS
diff --git a/src/libs/advanceddockingsystem/dockareatitlebar.h b/src/libs/advanceddockingsystem/dockareatitlebar.h
index 738dea476d..d710a12194 100644
--- a/src/libs/advanceddockingsystem/dockareatitlebar.h
+++ b/src/libs/advanceddockingsystem/dockareatitlebar.h
@@ -84,6 +84,8 @@ private:
 
     void onTabsMenuAboutToShow();
     void onCloseButtonClicked();
+    void onAutoHideCloseActionTriggered();
+    void minimizeAutoHideContainer();
     void onUndockButtonClicked();
     void onTabsMenuActionTriggered(QAction *action);
     void onCurrentTabChanged(int index);
@@ -191,6 +193,11 @@ public:
      */
     void setAreaFloating();
 
+    /**
+     * Call this function, to create all the required auto hide controls
+     */
+    void showAutoHideControls(bool show);
+
 signals:
     /**
      * This signal is emitted if a tab in the tab bar is clicked by the user
diff --git a/src/libs/advanceddockingsystem/dockareawidget.cpp b/src/libs/advanceddockingsystem/dockareawidget.cpp
index cc263895af..5cf12d7050 100644
--- a/src/libs/advanceddockingsystem/dockareawidget.cpp
+++ b/src/libs/advanceddockingsystem/dockareawidget.cpp
@@ -295,13 +295,20 @@ void DockAreaWidgetPrivate::updateTitleBarButtonVisibility(bool isTopLevel)
     if (!container)
         return;
 
-    if (isTopLevel) {
+    bool isAutoHide = q->isAutoHide();
+    if (isAutoHide) {
+        bool showCloseButton = DockManager::autoHideConfigFlags().testFlag(
+            DockManager::AutoHideHasCloseButton);
+        m_titleBar->button(TitleBarButtonClose)->setVisible(showCloseButton);
+        m_titleBar->button(TitleBarButtonAutoHide)->setVisible(true);
+        m_titleBar->button(TitleBarButtonUndock)->setVisible(false);
+        m_titleBar->button(TitleBarButtonTabsMenu)->setVisible(false);
+    } else if (isTopLevel) {
         m_titleBar->button(TitleBarButtonClose)->setVisible(!container->isFloating());
         m_titleBar->button(TitleBarButtonAutoHide)->setVisible(!container->isFloating());
         // Undock and tabs should never show when auto hidden
-        m_titleBar->button(TitleBarButtonUndock)
-            ->setVisible(!container->isFloating() && !q->isAutoHide());
-        m_titleBar->button(TitleBarButtonTabsMenu)->setVisible(!q->isAutoHide());
+        m_titleBar->button(TitleBarButtonUndock)->setVisible(!container->isFloating());
+        m_titleBar->button(TitleBarButtonTabsMenu)->setVisible(true);
     } else {
         m_titleBar->button(TitleBarButtonClose)->setVisible(true);
         m_titleBar->button(TitleBarButtonAutoHide)->setVisible(true);
@@ -650,10 +657,7 @@ void DockAreaWidget::updateTitleBarVisibility()
     }
 
     if (isAutoHideFeatureEnabled()) {
-        auto tabBar = d->m_titleBar->tabBar();
-        tabBar->setVisible(!autoHide); // Never show tab bar when auto hidden
-        // Always show when auto hidden, never otherwise
-        d->m_titleBar->autoHideTitleLabel()->setVisible(autoHide);
+        d->m_titleBar->showAutoHideControls(autoHide);
         updateTitleBarButtonVisibility(container->topLevelDockArea() == this);
     }
 }
diff --git a/src/libs/advanceddockingsystem/dockcontainerwidget.cpp b/src/libs/advanceddockingsystem/dockcontainerwidget.cpp
index c57e277edd..11bbb1f23c 100644
--- a/src/libs/advanceddockingsystem/dockcontainerwidget.cpp
+++ b/src/libs/advanceddockingsystem/dockcontainerwidget.cpp
@@ -484,9 +484,10 @@ void DockContainerWidgetPrivate::dropIntoSection(FloatingDockContainer *floating
 
     if (!targetAreaSplitter) {
         auto splitter = createSplitter(insertParam.orientation());
-        m_layout->replaceWidget(targetArea, splitter);
+        QLayoutItem *layoutItem = m_layout->replaceWidget(targetArea, splitter);
         splitter->addWidget(targetArea);
         targetAreaSplitter = splitter;
+        delete layoutItem;
     }
     int areaIndex = targetAreaSplitter->indexOf(targetArea);
     auto floatingSplitter = floatingContainer->rootSplitter();
@@ -1532,10 +1533,11 @@ bool DockContainerWidget::restoreState(DockingStateReader &stateReader, bool tes
     if (!newRootSplitter)
         newRootSplitter = d->createSplitter(Qt::Horizontal);
 
-    d->m_layout->replaceWidget(d->m_rootSplitter, newRootSplitter);
+    QLayoutItem *layoutItem = d->m_layout->replaceWidget(d->m_rootSplitter, newRootSplitter);
     auto oldRoot = d->m_rootSplitter;
     d->m_rootSplitter = qobject_cast<DockSplitter *>(newRootSplitter);
     oldRoot->deleteLater();
+    delete layoutItem;
 
     return true;
 }
diff --git a/src/libs/advanceddockingsystem/dockmanager.cpp b/src/libs/advanceddockingsystem/dockmanager.cpp
index af66f03b1a..a30ffb42e1 100644
--- a/src/libs/advanceddockingsystem/dockmanager.cpp
+++ b/src/libs/advanceddockingsystem/dockmanager.cpp
@@ -87,6 +87,11 @@ public:
     DockWidget *m_centralWidget = nullptr;
     bool m_isLeavingMinimized = false;
 
+    Qt::ToolButtonStyle m_toolBarStyleDocked = Qt::ToolButtonIconOnly;
+    Qt::ToolButtonStyle m_toolBarStyleFloating = Qt::ToolButtonTextUnderIcon;
+    QSize m_toolBarIconSizeDocked = QSize(16, 16);
+    QSize m_toolBarIconSizeFloating = QSize(24, 24);
+
     QString m_workspacePresetsPath;
     QList<Workspace> m_workspaces;
     Workspace m_workspace;
@@ -769,6 +774,38 @@ QString DockManager::floatingContainersTitle()
     return g_floatingContainersTitle;
 }
 
+void DockManager::setDockWidgetToolBarStyle(Qt::ToolButtonStyle style, DockWidget::eState state)
+{
+    if (DockWidget::StateFloating == state)
+        d->m_toolBarStyleFloating = style;
+    else
+        d->m_toolBarStyleDocked = style;
+}
+
+Qt::ToolButtonStyle DockManager::dockWidgetToolBarStyle(DockWidget::eState state) const
+{
+    if (DockWidget::StateFloating == state)
+        return d->m_toolBarStyleFloating;
+    else
+        return d->m_toolBarStyleDocked;
+}
+
+void DockManager::setDockWidgetToolBarIconSize(const QSize &iconSize, DockWidget::eState state)
+{
+    if (DockWidget::StateFloating == state)
+        d->m_toolBarIconSizeFloating = iconSize;
+    else
+        d->m_toolBarIconSizeDocked = iconSize;
+}
+
+QSize DockManager::dockWidgetToolBarIconSize(DockWidget::eState state) const
+{
+    if (DockWidget::StateFloating == state)
+        return d->m_toolBarIconSizeFloating;
+    else
+        return d->m_toolBarIconSizeDocked;
+}
+
 DockWidget *DockManager::centralWidget() const
 {
     return d->m_centralWidget;
diff --git a/src/libs/advanceddockingsystem/dockmanager.h b/src/libs/advanceddockingsystem/dockmanager.h
index 015e672434..53117b93e6 100644
--- a/src/libs/advanceddockingsystem/dockmanager.h
+++ b/src/libs/advanceddockingsystem/dockmanager.h
@@ -186,10 +186,13 @@ public:
         = 0x20, ///< show the auto hide window on mouse over tab and hide it if mouse leaves auto hide container
         AutoHideCloseButtonCollapsesDock
         = 0x40, ///< Close button of an auto hide container collapses the dock instead of hiding it completely
+        AutoHideHasCloseButton
+        = 0x80, //< If the flag is set an auto hide title bar has a close button
+        AutoHideHasMinimizeButton
+        = 0x100, ///< if this flag is set, the auto hide title bar has a minimize button to collapse the dock widget
 
-        DefaultAutoHideConfig
-        = AutoHideFeatureEnabled | DockAreaHasAutoHideButton
-          | AutoHideCloseButtonCollapsesDock ///< the default configuration for left and right side bars
+        DefaultAutoHideConfig = AutoHideFeatureEnabled | DockAreaHasAutoHideButton
+                                | AutoHideCloseButtonCollapsesDock | AutoHideHasCloseButton
     };
     Q_DECLARE_FLAGS(AutoHideFlags, eAutoHideFlag)
 
@@ -453,6 +456,31 @@ public:
     static QString floatingContainersTitle();
 
     /**
+     * This function sets the tool button style for the given dock widget state. It is possible to
+     * switch the tool button style depending on the state. If a dock widget is floating, then here 
+     * are more space and it is possible to select a style that requires more space like
+     * Qt::ToolButtonTextUnderIcon. For the docked state Qt::ToolButtonIconOnly might be better.
+     */
+    void setDockWidgetToolBarStyle(Qt::ToolButtonStyle style, DockWidget::eState state);
+
+    /**
+     * Returns the tool button style for the given docking state. \see setToolBarStyle()
+     */
+    Qt::ToolButtonStyle dockWidgetToolBarStyle(DockWidget::eState state) const;
+
+    /**
+     * This function sets the tool button icon size for the given state. If a dock widget is
+     * floating, there is more space and increasing the icon size is possible. For docked widgets,
+     * small icon sizes, eg. 16 x 16 might be better.
+     */
+    void setDockWidgetToolBarIconSize(const QSize &iconSize, DockWidget::eState state);
+
+    /**
+     * Returns the icon size for a given docking state. \see setToolBarIconSize()
+     */
+    QSize dockWidgetToolBarIconSize(DockWidget::eState state) const;
+
+    /**
      * This function returns managers central widget or nullptr if no central widget is set.
      */
     DockWidget *centralWidget() const;
diff --git a/src/libs/advanceddockingsystem/dockwidget.cpp b/src/libs/advanceddockingsystem/dockwidget.cpp
index 6c89c92c66..9c9e6086cd 100644
--- a/src/libs/advanceddockingsystem/dockwidget.cpp
+++ b/src/libs/advanceddockingsystem/dockwidget.cpp
@@ -64,6 +64,7 @@ public:
         = DockWidget::MinimumSizeHintFromDockWidget;
     WidgetFactory *m_factory = nullptr;
     QPointer<AutoHideTab> m_sideTabWidget;
+    DockWidget::eToolBarStyleSource m_toolBarStyleSource = DockWidget::ToolBarStyleFromDockManager;
 
     /**
      * Private data constructor
@@ -106,6 +107,11 @@ public:
      * Creates the content widget with the registered widget factory and  returns true on success.
      */
     bool createWidgetFromFactory();
+
+    /**
+     * Use the dock manager toolbar style and icon size for the different states
+     */
+    void setToolBarStyleFromDockManager();
 }; // class DockWidgetPrivate
 
 DockWidgetPrivate::DockWidgetPrivate(DockWidget *parent)
@@ -246,6 +252,19 @@ bool DockWidgetPrivate::createWidgetFromFactory()
     return true;
 }
 
+void DockWidgetPrivate::setToolBarStyleFromDockManager()
+{
+    if (!m_dockManager)
+        return;
+
+    auto state = DockWidget::StateDocked;
+    q->setToolBarIconSize(m_dockManager->dockWidgetToolBarIconSize(state), state);
+    q->setToolBarStyle(m_dockManager->dockWidgetToolBarStyle(state), state);
+    state = DockWidget::StateFloating;
+    q->setToolBarIconSize(m_dockManager->dockWidgetToolBarIconSize(state), state);
+    q->setToolBarStyle(m_dockManager->dockWidgetToolBarStyle(state), state);
+}
+
 DockWidget::DockWidget(const QString &uniqueId, QWidget *parent)
     : QFrame(parent)
     , d(new DockWidgetPrivate(this))
@@ -381,6 +400,12 @@ DockManager *DockWidget::dockManager() const
 void DockWidget::setDockManager(DockManager *dockManager)
 {
     d->m_dockManager = dockManager;
+
+    if (!dockManager)
+        return;
+
+    if (ToolBarStyleFromDockManager == d->m_toolBarStyleSource)
+        d->setToolBarStyleFromDockManager();
 }
 
 DockContainerWidget *DockWidget::dockContainer() const
@@ -491,6 +516,18 @@ QAction *DockWidget::toggleViewAction() const
     return d->m_toggleViewAction;
 }
 
+void DockWidget::setToggleViewAction(QAction *action)
+{
+    if (!action)
+        return;
+
+    d->m_toggleViewAction->setParent(nullptr);
+    delete d->m_toggleViewAction;
+    d->m_toggleViewAction = action;
+    d->m_toggleViewAction->setParent(this);
+    connect(d->m_toggleViewAction, &QAction::triggered, this, &DockWidget::toggleView);
+}
+
 void DockWidget::setToggleViewActionMode(eToggleViewActionMode mode)
 {
     if (ActionModeToggle == mode) {
@@ -693,6 +730,18 @@ void DockWidget::setToolBar(QToolBar *toolBar)
     setToolbarFloatingStyle(isFloating());
 }
 
+void DockWidget::setToolBarStyleSource(eToolBarStyleSource source)
+{
+    d->m_toolBarStyleSource = source;
+    if (ToolBarStyleFromDockManager == d->m_toolBarStyleSource)
+        d->setToolBarStyleFromDockManager();
+}
+
+DockWidget::eToolBarStyleSource DockWidget::toolBarStyleSource() const
+{
+    return d->m_toolBarStyleSource;
+}
+
 void DockWidget::setToolBarStyle(Qt::ToolButtonStyle style, eState state)
 {
     if (StateFloating == state)
diff --git a/src/libs/advanceddockingsystem/dockwidget.h b/src/libs/advanceddockingsystem/dockwidget.h
index 65495cc04d..03c9222766 100644
--- a/src/libs/advanceddockingsystem/dockwidget.h
+++ b/src/libs/advanceddockingsystem/dockwidget.h
@@ -154,6 +154,8 @@ public:
 
     enum eState { StateHidden, StateDocked, StateFloating };
 
+    enum eToolBarStyleSource { ToolBarStyleFromDockManager, ToolBarStyleFromDockWidget };
+
     /**
      * Sets the widget for the dock widget to widget.
      * The InsertMode defines how the widget is inserted into the dock widget.
@@ -386,6 +388,12 @@ public:
     QAction *toggleViewAction() const;
 
     /**
+     * Use provided action to be the default toggle view action for this dock widget.
+     * This dock widget now owns the action.
+     */
+    void setToggleViewAction(QAction *action);
+
+    /**
      * Configures the behavior of the toggle view action.
      * \see eToggleViewActionMode for a detailed description
      */
@@ -444,6 +452,17 @@ public:
     void setToolBar(QToolBar *toolBar);
 
     /**
+     * Configures, if the dock widget uses the global tool bar styles from
+     * dock manager or if it uses its own tool bar style
+     */
+    void setToolBarStyleSource(eToolBarStyleSource source);
+
+    /**
+     * Returns the configured tool bar style source
+     */
+    eToolBarStyleSource toolBarStyleSource() const;
+
+    /**
      * This function sets the tool button style for the given dock widget state.
      * It is possible to switch the tool button style depending on the state.
      * If a dock widget is floating, then here are more space and it is
diff --git a/src/plugins/qmldesigner/components/resources/dockwidgets.css b/src/plugins/qmldesigner/components/resources/dockwidgets.css
index 2fc05b6014..88ccadc487 100644
--- a/src/plugins/qmldesigner/components/resources/dockwidgets.css
+++ b/src/plugins/qmldesigner/components/resources/dockwidgets.css
@@ -286,7 +286,8 @@ ADS--AutoHideDockContainer ADS--DockAreaWidget[focused="true"] ADS--DockAreaTitl
 
 /* AutoHideDockContainer titlebar buttons */
 #dockAreaAutoHideButton {
-    /*qproperty-icon: url(:/ads/images/vs-pin-button.svg);*/
+    /*qproperty-icon: url(:/ads/images/vs-pin-button.svg),
+                      url(:/ads/images/vs-pin-button-disabled.svg) disabled;*/
     qproperty-iconSize: 16px;
 }
 
@@ -295,6 +296,11 @@ ADS--AutoHideDockContainer #dockAreaAutoHideButton {
     qproperty-iconSize: 16px;
 }
 
+ADS--AutoHideDockContainer #dockAreaMinimizeButton {
+    /*qproperty-icon: url(:/ads/images/minimize-button-focused.svg);*/
+    qproperty-iconSize: 16px;
+}
+
 ADS--AutoHideDockContainer #dockAreaCloseButton{
     /*qproperty-icon: url(:/ads/images/close-button-focused.svg)*/
 }