131 lines
4.5 KiB
C++
131 lines
4.5 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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// oxygenstackedwidgetdata.cpp
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// data container for QStackedWidget transition
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// -------------------
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//
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// Copyright (c) 2009 Hugo Pereira Da Costa <hugo@oxygen-icons.org>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//////////////////////////////////////////////////////////////////////////////
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#include "stackedwidgetdata.h"
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//______________________________________________________
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StackedWidgetData::StackedWidgetData( QObject* parent, QStackedWidget* target, int duration ):
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TransitionData( parent, target, duration ),
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target_( target ),
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index_( target->currentIndex() ) {
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// configure transition
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connect( target_.data(), SIGNAL( destroyed() ), SLOT( targetDestroyed() ) );
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connect( target_.data(), SIGNAL( currentChanged( int ) ), SLOT( animate() ) );
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// disable focus
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transition().data()->setAttribute(Qt::WA_NoMousePropagation, true);
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transition().data()->setFlag(TransitionWidget::PaintOnWidget, true);
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setMaxRenderTime( 50 );
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}
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//___________________________________________________________________
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bool StackedWidgetData::initializeAnimation( void ) {
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// check enability
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if ( !( target_ && target_.data()->isVisible() ) ) {
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return false;
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}
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// check index
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if ( target_.data()->currentIndex() == index_ ) {
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return false;
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}
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// do not animate if either index or currentIndex is not valid
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// but update index_ none the less
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if ( target_.data()->currentIndex() < 0 || index_ < 0 ) {
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index_ = target_.data()->currentIndex();
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return false;
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}
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// get old widget (matching index_) and initialize transition
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if ( QWidget* widget = target_.data()->widget( index_ ) ) {
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transition().data()->setOpacity( 0 );
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startClock();
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transition().data()->setGeometry( widget->geometry() );
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transition().data()->setStartPixmap( transition().data()->grab( widget ) );
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index_ = target_.data()->currentIndex();
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return !slow();
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}
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else {
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index_ = target_.data()->currentIndex();
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return false;
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}
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}
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//___________________________________________________________________
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bool StackedWidgetData::animate( void ) {
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// check enability
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if ( !enabled() ) return false;
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// initialize animation
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if ( !initializeAnimation() ) return false;
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// show transition widget
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transition().data()->show();
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transition().data()->raise();
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transition().data()->animate();
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return true;
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}
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//___________________________________________________________________
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void StackedWidgetData::finishAnimation( void ) {
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// disable updates on currentWidget
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if ( target_ && target_.data()->currentWidget() ) {
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target_.data()->currentWidget()->setUpdatesEnabled( false );
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}
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// hide transition
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transition().data()->hide();
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// reenable updates and repaint
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if ( target_ && target_.data()->currentWidget() ) {
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target_.data()->currentWidget()->setUpdatesEnabled( true );
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target_.data()->currentWidget()->repaint();
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}
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// invalidate start widget
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transition().data()->resetStartPixmap();
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}
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//___________________________________________________________________
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void StackedWidgetData::targetDestroyed( void ) {
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setEnabled( false );
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target_.clear();
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}
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