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#ifndef breezepalettehelper_h
#define breezepalettehelper_h
/*************************************************************************
* Copyright (C) 2014 by Hugo Pereira Da Costa <hugo.pereira@free.fr> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
*************************************************************************/
#include <QObject>
#include <QPalette>
#include <QSet>
#include <QWidget>
namespace Breeze
{
//* forward declaration
class Helper;
//* handle palette change
class PaletteHelper: public QObject
{
Q_OBJECT
public:
//* constructor
PaletteHelper( QObject*, Helper& );
//* destructor
virtual ~PaletteHelper( void );
//* register widget
virtual bool registerWidget( QWidget* );
//* event filter
virtual bool eventFilter( QObject*, QEvent* event );
public Q_SLOTS:
//* unregister widget
void unregisterWidget( QObject* );
protected Q_SLOTS:
//* adjust palettes
void adjustPendingPalettes( void );
protected:
//* adjust widget palette
bool acceptWidget( QWidget* ) const;
//* adjust palettes
void adjustPalettes( const QPalette& );
//* adjust widget palette
bool adjustPalette( QWidget*, const QPalette& ) const;
private:
//* helper
const Helper& _helper;
//* dummy widget
/** it is used to keep track of application palette changes */
QWidget* _widget = nullptr;
//* widget set
QSet<QObject*> _pendingWidgets;
//* widget set
QSet<QObject*> _registeredWidgets;
};
}
#endif