113 lines
2.8 KiB
C++
113 lines
2.8 KiB
C++
/******************************************************************************
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* QSkinny - Copyright (C) 2016 Uwe Rathmann
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* SPDX-License-Identifier: BSD-3-Clause
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*****************************************************************************/
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#include "QskSwipeView.h"
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#include "QskEvent.h"
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#include "QskGesture.h"
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#include "QskPanGestureRecognizer.h"
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#include "QskStackBoxAnimator.h"
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class QskSwipeView::PrivateData
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{
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public:
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QskPanGestureRecognizer panRecognizer;
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int panRecognizerTimeout = 100;
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int duration = 500;
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};
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QSK_SUBCONTROL( QskSwipeView, Panel )
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QskSwipeView::QskSwipeView( QQuickItem* parent )
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: Inherited( parent )
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, m_data( new PrivateData() )
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{
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setSubcontrolProxy( QskBox::Panel, Panel );
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setFiltersChildMouseEvents( true );
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setAcceptedMouseButtons( Qt::LeftButton );
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m_data->panRecognizer.setWatchedItem( this );
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m_data->panRecognizer.setOrientations( Qt::Horizontal );
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m_data->panRecognizer.setMinDistance( 50 );
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}
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QskSwipeView::~QskSwipeView()
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{
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}
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int QskSwipeView::duration() const
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{
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return m_data->duration;
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}
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void QskSwipeView::setDuration( int duration )
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{
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m_data->duration = duration;
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}
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bool QskSwipeView::gestureFilter( QQuickItem* item, QEvent* event )
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{
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// see QskScrollBox.cpp
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auto& recognizer = m_data->panRecognizer;
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if ( event->type() == QEvent::MouseButtonPress )
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{
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if ( ( item != this ) && ( recognizer.timeout() < 0 ) )
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{
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const auto mouseEvent = static_cast< QMouseEvent* >( event );
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if ( recognizer.hasProcessedBefore( mouseEvent ) )
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return false;
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}
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recognizer.setTimeout( ( item == this ) ? -1 : m_data->panRecognizerTimeout );
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}
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return m_data->panRecognizer.processEvent( item, event );
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}
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void QskSwipeView::gestureEvent( QskGestureEvent* event )
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{
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if( event->gesture()->type() == QskGesture::Pan && event->gesture()->state() == QskGesture::Started )
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{
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const auto gesture = static_cast< const QskPanGesture* >( event->gesture().get() );
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auto animator = dynamic_cast< QskStackBoxAnimator1* >( this->animator() );
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if ( animator == nullptr )
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{
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animator = new QskStackBoxAnimator1( this );
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animator->setOrientation( Qt::Horizontal );
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}
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animator->setDuration( m_data->duration );
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setAnimator( animator );
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const auto direction = ( ( gesture->angle() < 90.0 ) || ( gesture->angle() > 270.0 ) )
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? Qsk::LeftToRight : Qsk::RightToLeft;
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auto newIndex = ( direction == Qsk::LeftToRight ) ? currentIndex() - 1 : currentIndex() + 1;
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if( newIndex < 0 )
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newIndex += itemCount();
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newIndex %= itemCount();
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setCurrentIndex( newIndex );
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}
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else
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{
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Inherited::gestureEvent( event );
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}
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}
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#include "moc_QskSwipeView.cpp"
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