MuseScore/mstyle/comboboxdata.cpp
2013-02-15 22:47:54 +01:00

143 lines
5 KiB
C++

// krazy:excludeall=qclasses
//////////////////////////////////////////////////////////////////////////////
// oxygencomboboxdata.cpp
// data container for QComboBox 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 "comboboxdata.h"
//______________________________________________________
ComboBoxData::ComboBoxData( QObject* parent, QComboBox* target, int duration ):
TransitionData( parent, target, duration ),
target_( target ) {
target_.data()->installEventFilter( this );
connect( target_.data(), SIGNAL( destroyed() ), SLOT( targetDestroyed() ) );
connect( target_.data(), SIGNAL( currentIndexChanged( int ) ), SLOT( indexChanged() ) );
}
//___________________________________________________________________
void ComboBoxData::indexChanged( void ) {
if ( recursiveCheck() ) return;
if ( transition().data()->isAnimated() ) {
transition().data()->endAnimation();
}
if ( initializeAnimation() ) animate();
else transition().data()->hide();
}
//___________________________________________________________________
bool ComboBoxData::eventFilter( QObject* object, QEvent* event ) {
// make sure engine is enabled
if ( !( enabled() && object == target_.data() ) ) {
return TransitionData::eventFilter( object, event );
}
// make sure that target is not editable
if ( target_.data()->isEditable() ) {
return TransitionData::eventFilter( object, event );
}
switch ( event->type() ) {
case QEvent::Show:
case QEvent::Resize:
case QEvent::Move:
if ( !recursiveCheck() && target_.data()->isVisible() ) {
timer_.start( 0, this );
}
break;
default:
break;
}
return TransitionData::eventFilter( object, event );
}
//___________________________________________________________________
void ComboBoxData::timerEvent( QTimerEvent* event ) {
if ( event->timerId() == timer_.timerId() ) {
timer_.stop();
if ( enabled() && transition() && target_ && !target_.data()->isVisible() ) {
setRecursiveCheck( true );
transition().data()->setEndPixmap( transition().data()->grab( target_.data(), targetRect() ) );
setRecursiveCheck( false );
}
}
else return TransitionData::timerEvent( event );
}
//___________________________________________________________________
bool ComboBoxData::initializeAnimation( void ) {
if ( !( enabled() && target_ && target_.data()->isVisible() ) ) return false;
if ( target_.data()->isEditable() ) {
/*
do nothing for editable comboboxes because
lineEditor animations are handled directly
*/
return false;
}
transition().data()->setOpacity(0);
transition().data()->setGeometry( targetRect() );
transition().data()->setStartPixmap( transition().data()->currentPixmap() );
transition().data()->show();
transition().data()->raise();
return true;
}
//___________________________________________________________________
bool ComboBoxData::animate( void ) {
// check enability
if ( !enabled() ) return false;
// grab
setRecursiveCheck( true );
transition().data()->setEndPixmap( transition().data()->grab( target_.data(), targetRect() ) );
setRecursiveCheck( false );
// start animation
transition().data()->animate();
return true;
}
//___________________________________________________________________
void ComboBoxData::targetDestroyed( void ) {
setEnabled( false );
target_.clear();
}