bool QgsGraduatedHistogramEventFilter::eventFilter( QObject *object, QEvent *event )
{
switch ( event->type() )
{
case QEvent::MouseButtonPress:
{
const QMouseEvent* mouseEvent = static_cast<QMouseEvent* >( event );
if ( mouseEvent->button() == Qt::LeftButton )
{
emit mousePress( posToValue( mouseEvent->pos() ) );
}
break;
}
case QEvent::MouseButtonRelease:
{
const QMouseEvent* mouseEvent = static_cast<QMouseEvent* >( event );
if ( mouseEvent->button() == Qt::LeftButton )
{
emit mouseRelease( posToValue( mouseEvent->pos() ) );
}
break;
}
default:
break;
}
return QObject::eventFilter( object, event );
}
void SliderWidget::handleMouseMoved(int x, int y, int button) {
if (isEnabled() && _isDragging) {
int newValue = posToValue(x);
if (newValue < _valueMin)
newValue = _valueMin;
else if (newValue > _valueMax)
newValue = _valueMax;
if (newValue != _value) {
_value = newValue;
draw();
sendCommand(_cmd, _value); // FIXME - hack to allow for "live update" in sound dialog
}
}
}
void SliderWidget::handleMouseWheel(int x, int y, int direction) {
if (isEnabled() && !_isDragging) {
// Increment or decrement one position
int newValue = posToValue(valueToPos(_value) - 1 * direction);
if (newValue < _valueMin)
newValue = _valueMin;
else if (newValue > _valueMax)
newValue = _valueMax;
if (newValue != _value) {
_value = newValue;
draw();
sendCommand(_cmd, _value); // FIXME - hack to allow for "live update" in sound dialog
}
}
}
