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// Copyright (C) 2020 Uwe Kindler
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-2.1-or-later OR GPL-3.0-or-later
#pragma once
#include "ads_globals.h"
#include "dockmanager.h"
#include <QObject>
namespace ADS {
class DockFocusControllerPrivate;
class DockManager;
class FloatingDockContainer;
/**
* Manages focus styling of dock widgets and handling of focus changes
*/
class ADS_EXPORT DockFocusController : public QObject
{
Q_OBJECT
private:
DockFocusControllerPrivate* d; ///< private data (pimpl)
friend class DockFocusControllerPrivate;
private:
void onApplicationFocusChanged(QWidget *old, QWidget *now);
void onFocusWindowChanged(QWindow *focusWindow);
void onFocusedDockAreaViewToggled(bool open);
void onStateRestored();
public:
/**
* Default Constructor
*/
DockFocusController(DockManager *dockManager);
/**
* Virtual Destructor
*/
~DockFocusController() override;
/**
* A container needs to call this function if a widget has been dropped
* into it
*/
void notifyWidgetOrAreaRelocation(QWidget *relocatedWidget);
/**
* This function is called, if a floating widget has been dropped into
* an new position.
* When this function is called, all dock widgets of the FloatingWidget
* are already inserted into its new position
*/
void notifyFloatingWidgetDrop(FloatingDockContainer *floatingWidget);
/**
* Returns the dock widget that has focus style in the ui or a nullptr if
* not dock widget is painted focused.
*/
DockWidget *focusedDockWidget() const;
/**
* Notifies the dock focus controller, that a the mouse is pressed or released.
*/
void setDockWidgetTabPressed(bool value);
/**
* Request focus highlighting for the given dock widget assigned to the tab
* given in Tab parameter
*/
void setDockWidgetTabFocused(DockWidgetTab *tab);
/*
* Request clear focus for a dock widget
*/
void clearDockWidgetFocus(DockWidget *dockWidget);
/**
* Request a focus change to the given dock widget
*/
void setDockWidgetFocused(DockWidget *focusedNow);
}; // class DockFocusController
} // namespace ADS
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