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https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System.git
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274 lines
7.9 KiB
C++
274 lines
7.9 KiB
C++
#ifndef DockAreaWidgetH
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#define DockAreaWidgetH
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/*******************************************************************************
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** Qt Advanced Docking System
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** Copyright (C) 2017 Uwe Kindler
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**
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** This library is free software; you can redistribute it and/or
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** modify it under the terms of the GNU Lesser General Public
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** License as published by the Free Software Foundation; either
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** version 2.1 of the License, or (at your option) any later version.
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**
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** This library is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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** Lesser General Public License for more details.
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**
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** You should have received a copy of the GNU Lesser General Public
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** License along with this library; If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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//============================================================================
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/// \file DockAreaWidget.h
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/// \author Uwe Kindler
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/// \date 24.02.2017
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/// \brief Declaration of CDockAreaWidget class
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//============================================================================
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//============================================================================
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// INCLUDES
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//============================================================================
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#include <QFrame>
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#include "ads_globals.h"
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#include "DockWidget.h"
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class QXmlStreamWriter;
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class QAbstractButton;
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namespace ads
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{
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struct DockAreaWidgetPrivate;
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class CDockManager;
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class CDockContainerWidget;
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struct DockContainerWidgetPrivate;
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/**
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* DockAreaWidget manages multiple instances of DockWidgets.
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* It displays a title tab, which is clickable and will switch to
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* the contents associated to the title when clicked.
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*/
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class ADS_EXPORT CDockAreaWidget : public QFrame
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{
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Q_OBJECT
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private:
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DockAreaWidgetPrivate* d; ///< private data (pimpl)
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friend struct DockAreaWidgetPrivate;
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friend class CDockContainerWidget;
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friend class DockContainerWidgetPrivate;
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friend class CDockWidgetTab;
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friend struct DockWidgetPrivate;
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friend class CDockWidget;
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friend struct DockManagerPrivate;
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private slots:
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void onTabCloseRequested(int Index);
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/**
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* Reorder the index position of DockWidget at fromIndx to toIndex
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* if a tab in the tabbar is dragged from one index to another one
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*/
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void reorderDockWidget(int fromIndex, int toIndex);
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protected:
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/**
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* Inserts a dock widget into dock area.
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* All dockwidgets in the dock area tabified in a stacked layout with tabs.
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* The index indicates the index of the new dockwidget in the tabbar and
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* in the stacked layout. If the Activate parameter is true, the new
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* DockWidget will be the active one in the stacked layout
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*/
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void insertDockWidget(int index, CDockWidget* DockWidget, bool Activate = true);
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/**
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* Add a new dock widget to dock area.
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* All dockwidgets in the dock area tabified in a stacked layout with tabs
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*/
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void addDockWidget(CDockWidget* DockWidget);
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/**
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* Removes the given dock widget from the dock area
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*/
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void removeDockWidget(CDockWidget* DockWidget);
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/**
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* Called from dock widget if it is opened or closed
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*/
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void toggleDockWidgetView(CDockWidget* DockWidget, bool Open);
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/**
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* This is a helper function to get the next open dock widget to activate
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* if the given DockWidget will be closed or removed.
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* The function returns the next widget that should be activated or
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* nullptr in case there are no more open widgets in this area.
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*/
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CDockWidget* nextOpenDockWidget(CDockWidget* DockWidget) const;
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/**
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* Returns the index of the given DockWidget in the internal layout
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*/
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int index(CDockWidget* DockWidget);
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/**
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* Call this function, if you already know, that the dock does not
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* contain any visible content (any open dock widgets).
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*/
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void hideAreaWithNoVisibleContent();
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/**
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* Updates the dock area layout and components visibility
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*/
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void updateTabBarVisibility();
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/**
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* This is the internal private function for setting the current widget.
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* This function is called by the public setCurrentDockWidget() function
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* and by the dock manager when restoring the state
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*/
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void internalSetCurrentDockWidget(CDockWidget* DockWidget);
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public:
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using Super = QFrame;
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/**
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* Default Constructor
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*/
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CDockAreaWidget(CDockManager* DockManager, CDockContainerWidget* parent);
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/**
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* Virtual Destructor
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*/
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virtual ~CDockAreaWidget();
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/**
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* Returns the dock manager object this dock area belongs to
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*/
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CDockManager* dockManager() const;
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/**
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* Returns the dock container widget this dock area widget belongs to or 0
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* if there is no
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*/
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CDockContainerWidget* dockContainer() const;
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/**
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* Returns the rectangle of the title area
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*/
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QRect titleBarGeometry() const;
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/**
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* Returns the rectangle of the content
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*/
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QRect contentAreaGeometry() const;
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/**
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* Returns the number of dock widgets in this area
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*/
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int dockWidgetsCount() const;
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/**
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* Returns a list of all dock widgets in this dock area.
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* This list contains open and closed dock widgets.
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*/
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QList<CDockWidget*> dockWidgets() const;
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/**
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* Returns the number of dock widgets in this area
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*/
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int openDockWidgetsCount() const;
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/**
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* Returns a list of dock widgets that are not closed
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*/
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QList<CDockWidget*> openedDockWidgets() const;
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/**
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* Returns a dock widget by its index
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*/
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CDockWidget* dockWidget(int Index) const;
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/**
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* Returns the index of the current active dock widget or -1 if there
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* are is no active dock widget (ie.e if all dock widgets are closed)
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*/
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int currentIndex() const;
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/**
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* Returns the current active dock widget or a nullptr if there is no
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* active dock widget (i.e. if all dock widgets are closed)
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*/
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CDockWidget* currentDockWidget() const;
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/**
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* Shows the tab with the given dock widget
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*/
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void setCurrentDockWidget(CDockWidget* DockWidget);
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/**
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* Saves the state into the given stream
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*/
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void saveState(QXmlStreamWriter& Stream) const;
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/**
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* This functions returns the dock widget features of all dock widget in
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* this area.
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* A bitwise and is used to combine the flags of all dock widgets. That
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* means, if only dock widget does not support a certain flag, the whole
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* dock are does not support the flag.
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*/
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CDockWidget::DockWidgetFeatures features() const;
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/**
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* Returns the title bar button corresponding to the given title bar
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* button identifier
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*/
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QAbstractButton* titleBarButton(TitleBarButton which) const;
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public slots:
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/**
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* This activates the tab for the given tab index.
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* If the dock widget for the given tab is not visible, the this function
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* call will make it visible.
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*/
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void setCurrentIndex(int index);
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/**
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* This property controls whether the dock area is open or closed.
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* The toogleViewAction triggers this slot.
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*/
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void toggleView(bool Open);
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signals:
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/**
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* This signal is emitted when user clicks on a tab at an index.
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*/
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void tabBarClicked(int index);
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/**
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* This signal is emitted when the tab bar's current tab is about to be changed. The new
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* current has the given index, or -1 if there isn't a new one.
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* @param index
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*/
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void currentChanging(int index);
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/**
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* This signal is emitted when the tab bar's current tab changes. The new
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* current has the given index, or -1 if there isn't a new one
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* @param index
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*/
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void currentChanged(int index);
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/**
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* This signal is emitted if the visibility of this dock area is toggled
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* via toggle view function
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*/
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void viewToggled(bool Open);
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}; // class DockAreaWidget
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}
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// namespace ads
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//-----------------------------------------------------------------------------
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#endif // DockAreaWidgetH
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