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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This software is distributed in the hope that it will be useful, but WITHOUT
* Any WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "XmlOptions.h"
#include "CursorMonitor.h"
//_________________________________________________________
CursorMonitor::CursorMonitor( QWidget* parent ):
QObject( parent ),
Counter( "CursorMonitor" ),
savedCursorShape_( parent->cursor().shape() )
{
parent->setMouseTracking( true );
parent->installEventFilter(this);
}
//_________________________________________________________
bool CursorMonitor::eventFilter( QObject* o, QEvent* e )
{
if( !( o && o==parent() ) ) return false;
if( !enabled_ ) return false;
switch( e->type() )
{
case QEvent::Leave:
case QEvent::FocusOut:
case QEvent::WindowDeactivate:
_setCursorState( CursorState::Visible );
break;
case QEvent::Enter:
case QEvent::FocusIn:
case QEvent::MouseMove:
case QEvent::MouseButtonPress:
case QEvent::MouseButtonRelease:
case QEvent::MouseButtonDblClick:
case QEvent::Show:
case QEvent::Hide:
case QEvent::Wheel:
_setCursorState( CursorState::Visible );
if ( qobject_cast<QWidget*>( parent() )->hasFocus() )
{ autoHideTimer_.start( autoHideDelay_, this ); }
break;
default:
break;
}
return false;
}
//_________________________________________________________
void CursorMonitor::timerEvent( QTimerEvent* e )
{
if( e->timerId() == autoHideTimer_.timerId() )
{
autoHideTimer_.stop();
_setCursorState( CursorState::Hidden );
} else QObject::timerEvent( e );
}
//_________________________________________________________
void CursorMonitor::_setCursorState( CursorMonitor::CursorState state )
{
if( state == cursorState_ ) return;
QWidget* widget( qobject_cast<QWidget*>( parent() ) );
if( !widget ) return;
switch( state )
{
case CursorState::Visible:
{
widget->setCursor( savedCursorShape_ );
cursorState_ = CursorState::Visible;
break;
}
case CursorState::Hidden:
{
savedCursorShape_ = widget->cursor().shape();
widget->setCursor( Qt::BlankCursor );
cursorState_ = CursorState::Hidden;
break;
}
default: break;
}
}
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