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//////////////////////////////////////////////////////////////////////////////
// oxygenstackedwidgetdata.cpp
// data container for QStackedWidget transition
// -------------------
//
// Copyright (c) 2009 Hugo Pereira Da Costa <hugo@oxygen-icons.org>
//
// 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 "stackedwidgetdata.h"
//______________________________________________________
StackedWidgetData::StackedWidgetData( QObject* parent, QStackedWidget* target, int duration ):
TransitionData( parent, target, duration ),
target_( target ),
index_( target->currentIndex() ) {
// configure transition
connect( target_.data(), SIGNAL( destroyed() ), SLOT( targetDestroyed() ) );
connect( target_.data(), SIGNAL( currentChanged( int ) ), SLOT( animate() ) );
// disable focus
transition().data()->setAttribute(Qt::WA_NoMousePropagation, true);
transition().data()->setFlag(TransitionWidget::PaintOnWidget, true);
setMaxRenderTime( 50 );
}
//___________________________________________________________________
bool StackedWidgetData::initializeAnimation( void ) {
// check enability
if ( !( target_ && target_.data()->isVisible() ) ) {
return false;
}
// check index
if ( target_.data()->currentIndex() == index_ ) {
return false;
}
// do not animate if either index or currentIndex is not valid
// but update index_ none the less
if ( target_.data()->currentIndex() < 0 || index_ < 0 ) {
index_ = target_.data()->currentIndex();
return false;
}
// get old widget (matching index_) and initialize transition
if ( QWidget* widget = target_.data()->widget( index_ ) ) {
transition().data()->setOpacity( 0 );
startClock();
transition().data()->setGeometry( widget->geometry() );
transition().data()->setStartPixmap( transition().data()->grab( widget ) );
index_ = target_.data()->currentIndex();
return !slow();
}
else {
index_ = target_.data()->currentIndex();
return false;
}
}
//___________________________________________________________________
bool StackedWidgetData::animate( void ) {
// check enability
if ( !enabled() ) return false;
// initialize animation
if ( !initializeAnimation() ) return false;
// show transition widget
transition().data()->show();
transition().data()->raise();
transition().data()->animate();
return true;
}
//___________________________________________________________________
void StackedWidgetData::finishAnimation( void ) {
// disable updates on currentWidget
if ( target_ && target_.data()->currentWidget() ) {
target_.data()->currentWidget()->setUpdatesEnabled( false );
}
// hide transition
transition().data()->hide();
// reenable updates and repaint
if ( target_ && target_.data()->currentWidget() ) {
target_.data()->currentWidget()->setUpdatesEnabled( true );
target_.data()->currentWidget()->repaint();
}
// invalidate start widget
transition().data()->resetStartPixmap();
}
//___________________________________________________________________
void StackedWidgetData::targetDestroyed( void ) {
setEnabled( false );
target_.clear();
}
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