void Graph::mousePressEvent( QMouseEvent * _me )
{
if( _me->button() == Qt::LeftButton )
{
if ( !( _me->modifiers() & Qt::ShiftModifier ) )
{
// get position
int x = _me->x();
int y = _me->y();
changeSampleAt( x, y );
// toggle mouse state
m_mouseDown = true;
setCursor( Qt::BlankCursor );
m_lastCursorX = x;
}
else
{
//when shift-clicking, draw a line from last position to current
//position
int x = _me->x();
int y = _me->y();
drawLineAt( x, y, m_lastCursorX );
m_mouseDown = true;
setCursor( Qt::BlankCursor );
m_lastCursorX = x;
}
}
}
void Graph::mouseMoveEvent ( QMouseEvent * _me )
{
// get position
int x = _me->x();
int y = _me->y();
/* static bool skip = false;
if( skip )
{
skip = false;
return;
}
*/
// avoid mouse leaps
int diff = x - m_lastCursorX;
/* if( diff >= 1 )
{
x = qMin( width() - 3, m_lastCursorX + 1 );
}
else if( diff <= -1 )
{
x = qMax( 2, m_lastCursorX - 1 );
}*/
x = qMax( 2, qMin( x, width()-3 ) );
y = qMax( 2, qMin( y, height()-3 ) );
if( qAbs( diff ) > 1 )
{
drawLineAt( x, y, m_lastCursorX );
}
else
{
changeSampleAt( x, y );
}
// update mouse
if( diff != 0 )
{
m_lastCursorX = x;
QPoint pt = mapToGlobal( QPoint( x, y ) );
QCursor::setPos( pt.x(), pt.y() );
}
// skip = true;
}
void graph::mousePressEvent( QMouseEvent * _me )
{
if( _me->button() == Qt::LeftButton )
{
// toggle mouse state
m_mouseDown = true;
// get position
int x = _me->x();
int y = _me->y();
changeSampleAt( x, y );
// toggle mouse state
m_mouseDown = true;
setCursor( Qt::BlankCursor );
m_lastCursorX = x;
}
}
