//! Transition
QList<QwtPickerMachine::Command> QwtPickerClickPointMachine::transition(
const QwtEventPattern &eventPattern, const QEvent *e )
{
QList<QwtPickerMachine::Command> cmdList;
switch ( e->type() )
{
case QEvent::MouseButtonPress:
{
if ( eventPattern.mouseMatch(
QwtEventPattern::MouseSelect1, ( const QMouseEvent * )e ) )
{
cmdList += Begin;
cmdList += Append;
cmdList += End;
}
break;
}
case QEvent::KeyPress:
{
if ( eventPattern.keyMatch(
QwtEventPattern::KeySelect1, ( const QKeyEvent * )e ) )
{
cmdList += Begin;
cmdList += Append;
cmdList += End;
}
break;
}
default:
break;
}
return cmdList;
}
//! Transition
QList<QwtPickerMachine::Command> QwtPickerPolygonMachine::transition(
const QwtEventPattern &eventPattern, const QEvent *e )
{
QList<QwtPickerMachine::Command> cmdList;
switch ( e->type() )
{
case QEvent::MouseButtonPress:
{
if ( eventPattern.mouseMatch(
QwtEventPattern::MouseSelect1, ( const QMouseEvent * )e ) )
{
if ( state() == 0 )
{
cmdList += Begin;
cmdList += Append;
cmdList += Append;
setState( 1 );
}
else
{
cmdList += End;
setState( 0 );
}
}
if ( eventPattern.mouseMatch(
QwtEventPattern::MouseSelect2, ( const QMouseEvent * )e ) )
{
if ( state() == 1 )
cmdList += Append;
}
break;
}
case QEvent::MouseMove:
case QEvent::Wheel:
{
if ( state() != 0 )
cmdList += Move;
break;
}
case QEvent::KeyPress:
{
if ( eventPattern.keyMatch(
QwtEventPattern::KeySelect1, ( const QKeyEvent * )e ) )
{
if ( state() == 0 )
{
cmdList += Begin;
cmdList += Append;
cmdList += Append;
setState( 1 );
}
else
{
cmdList += End;
setState( 0 );
}
}
else if ( eventPattern.keyMatch(
QwtEventPattern::KeySelect2, ( const QKeyEvent * )e ) )
{
if ( state() == 1 )
cmdList += Append;
}
break;
}
default:
break;
}
return cmdList;
}
virtual QList<Command> transition(const QwtEventPattern& eventPattern, const QEvent* e)
{
QList<Command> cmdList;
switch(e->type())
{
case QEvent::MouseButtonPress:
{
const QMouseEvent *mouseEvent = (QMouseEvent*)e;
if(eventPattern.mouseMatch(QwtEventPattern::MouseSelect1, mouseEvent)
|| (mouseEvent->button() == Qt::LeftButton && mouseEvent->modifiers() == Qt::ControlModifier)
|| (mouseEvent->button() == Qt::LeftButton && mouseEvent->modifiers() == Qt::ShiftModifier))
{
if(state() == 0)
{
cmdList += Begin;
cmdList += Append;
cmdList += Append;
setState(2);
}
if(mouseEvent->modifiers() == Qt::ControlModifier || mouseEvent->modifiers() == Qt::ShiftModifier)
m_bAddToSelection = true;
else
m_bAddToSelection = false;
}
break;
}
case QEvent::MouseMove:
case QEvent::Wheel:
{
if ( state() != 0 )
cmdList += Move;
break;
}
case QEvent::MouseButtonRelease:
{
if ( state() == 2 )
{
cmdList += End;
setState(0);
}
break;
}
case QEvent::KeyPress:
{
if(eventPattern.keyMatch(QwtEventPattern::KeySelect1, (const QKeyEvent *)e))
{
if ( state() == 0 )
{
cmdList += Begin;
cmdList += Append;
cmdList += Append;
setState(2);
}
else
{
cmdList += End;
setState(0);
}
}
break;
}
default:
break;
}
return cmdList;
}
//! Transition
QList<QwtPickerMachine::Command> QwtPickerClickRectMachine::transition(
const QwtEventPattern &eventPattern, const QEvent *e )
{
QList<QwtPickerMachine::Command> cmdList;
switch ( e->type() )
{
case QEvent::MouseButtonPress:
{
if ( eventPattern.mouseMatch(
QwtEventPattern::MouseSelect1, ( const QMouseEvent * )e ) )
{
switch ( state() )
{
case 0:
{
cmdList += Begin;
cmdList += Append;
setState( 1 );
break;
}
case 1:
{
// Uh, strange we missed the MouseButtonRelease
break;
}
default:
{
cmdList += End;
setState( 0 );
}
}
}
}
case QEvent::MouseMove:
case QEvent::Wheel:
{
if ( state() != 0 )
cmdList += Move;
break;
}
case QEvent::MouseButtonRelease:
{
if ( eventPattern.mouseMatch(
QwtEventPattern::MouseSelect1, ( const QMouseEvent * )e ) )
{
if ( state() == 1 )
{
cmdList += Append;
setState( 2 );
}
}
break;
}
case QEvent::KeyPress:
{
if ( eventPattern.keyMatch(
QwtEventPattern::KeySelect1, ( const QKeyEvent * )e ) )
{
if ( state() == 0 )
{
cmdList += Begin;
cmdList += Append;
setState( 1 );
}
else
{
if ( state() == 1 )
{
cmdList += Append;
setState( 2 );
}
else if ( state() == 2 )
{
cmdList += End;
setState( 0 );
}
}
}
break;
}
default:
break;
}
return cmdList;
}
//! Transition
QList<QwtPickerMachine::Command> QwtPickerDragLineMachine::transition(
const QwtEventPattern &eventPattern, const QEvent *event )
{
QList<QwtPickerMachine::Command> cmdList;
switch( event->type() )
{
case QEvent::MouseButtonPress:
{
if ( eventPattern.mouseMatch( QwtEventPattern::MouseSelect1,
static_cast<const QMouseEvent *>( event ) ) )
{
if ( state() == 0 )
{
cmdList += Begin;
cmdList += Append;
cmdList += Append;
setState( 1 );
}
}
break;
}
case QEvent::KeyPress:
{
if ( eventPattern.keyMatch( QwtEventPattern::KeySelect1,
static_cast<const QKeyEvent *> ( event ) ) )
{
if ( state() == 0 )
{
cmdList += Begin;
cmdList += Append;
cmdList += Append;
setState( 1 );
}
else
{
cmdList += End;
setState( 0 );
}
}
break;
}
case QEvent::MouseMove:
case QEvent::Wheel:
{
if ( state() != 0 )
cmdList += Move;
break;
}
case QEvent::MouseButtonRelease:
{
if ( state() != 0 )
{
cmdList += End;
setState( 0 );
}
}
default:
break;
}
return cmdList;
}
