MuseScore/mstyle/scrollbarengine.h
2013-02-15 22:47:54 +01:00

122 lines
4.8 KiB
C++

#ifndef oxygenscrollbarengine_h
#define oxygenscrollbarengine_h
//////////////////////////////////////////////////////////////////////////////
// oxygenscrollbarengine.h
// stores event filters and maps widgets to timelines for animations
// -------------------
//
// Copyright (c) 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//////////////////////////////////////////////////////////////////////////////
#include "baseengine.h"
#include "datamap.h"
#include "scrollbardata.h"
//! stores scrollbar hovered action and timeLine
class ScrollBarEngine: public BaseEngine {
Q_OBJECT
public:
//! constructor
ScrollBarEngine( QObject* parent ):
BaseEngine( parent )
{}
//! destructor
virtual ~ScrollBarEngine( void )
{}
//! register scrollbar
virtual bool registerWidget( QWidget* );
//! true if widget is animated
virtual bool isAnimated( const QObject* object, QStyle::SubControl control );
//! animation opacity
virtual qreal opacity( const QObject* object, QStyle::SubControl control ) {
return isAnimated( object, control ) ? data_.find( object ).data()->opacity( control ) : AnimationData::OpacityInvalid;
}
//! return true if given subcontrol is hovered
virtual bool isHovered( const QObject* object, QStyle::SubControl control ) {
if ( DataMap<ScrollBarData>::Value data = data_.find( object ) ) return data.data()->isHovered( control );
else return false;
}
//! control rect associated to object
virtual QRect subControlRect( const QObject* object, QStyle::SubControl control ) {
if ( DataMap<ScrollBarData>::Value data = data_.find( object ) ) return data.data()->subControlRect( control );
else return QRect();
}
//! control rect
virtual void setSubControlRect( const QObject* object, QStyle::SubControl control, const QRect& rect ) {
if ( DataMap<ScrollBarData>::Value data = data_.find( object ) ) {
data.data()->setSubControlRect( control, rect );
}
}
//! control rect
virtual void updateState( const QObject* object, bool state ) {
if ( DataMap<ScrollBarData>::Value data = data_.find( object ) ) {
data.data()->updateState( state );
}
}
//! enability
virtual void setEnabled( bool value ) {
BaseEngine::setEnabled( value );
/*
do not disable the map directly, because the contained OxygenScrollbarData
are also used in non animated mode to store scrollbar arrows rect. However
do disable all contains DATA object, in order to prevent actual animations
*/
foreach( const DataMap<ScrollBarData>::Value data, data_ ) {
if ( data ) data.data()->setEnabled( value );
}
}
//! duration
virtual void setDuration( int value ) {
BaseEngine::setDuration( value );
data_.setDuration( value );
}
public slots:
//! remove widget from map
virtual bool unregisterWidget( QObject* object ) {
return data_.unregisterWidget( object );
}
private:
//! data map
DataMap<ScrollBarData> data_;
};
#endif