void PanIconWidget::mouseReleaseEvent ( QMouseEvent * )
{
if ( moveSelection )
{
moveSelection = false;
QApplication::restoreOverrideCursor();
regionSelectionMoved(true);
}
}
void PanIconWidget::mouseReleaseEvent ( QMouseEvent* )
{
if ( d->moveSelection )
{
d->moveSelection = false;
setCursor( Qt::ArrowCursor );
regionSelectionMoved(true);
}
}
void PanIconWidget::mouseMoveEvent ( QMouseEvent* e )
{
if ( d->moveSelection &&
(e->buttons() == Qt::LeftButton || e->buttons() == Qt::MidButton) )
{
int newxpos = e->x();
int newypos = e->y();
d->localRegionSelection.translate(newxpos - d->xpos, newypos - d->ypos);
d->xpos = newxpos;
d->ypos = newypos;
// Perform normalization of selection area.
if (d->localRegionSelection.left() < d->rect.left())
{
d->localRegionSelection.moveLeft(d->rect.left());
}
if (d->localRegionSelection.top() < d->rect.top())
{
d->localRegionSelection.moveTop(d->rect.top());
}
if (d->localRegionSelection.right() > d->rect.right())
{
d->localRegionSelection.moveRight(d->rect.right());
}
if (d->localRegionSelection.bottom() > d->rect.bottom())
{
d->localRegionSelection.moveBottom(d->rect.bottom());
}
update();
regionSelectionMoved(false);
return;
}
else
{
if ( d->localRegionSelection.contains( e->x(), e->y() ) )
{
setCursor( Qt::PointingHandCursor );
}
else
{
setCursor( Qt::ArrowCursor );
}
}
}
void PanIconWidget::mouseMoveEvent ( QMouseEvent * e )
{
if ( moveSelection &&
(e->buttons() == Qt::LeftButton || e->buttons() == Qt::MidButton) )
{
int newxpos = e->x();
int newypos = e->y();
m_localRegionSelection.translate(newxpos - xpos, newypos - ypos);
xpos = newxpos;
ypos = newypos;
// Perform normalization of selection area.
if (m_localRegionSelection.left() < /*m_rect.left()*/0)
m_localRegionSelection.moveLeft(/*m_rect.left()*/0);
if (m_localRegionSelection.top() < /*m_rect.top()*/0)
m_localRegionSelection.moveTop(/*m_rect.top()*/0);
if (m_localRegionSelection.right() > /*m_rect.right()*/width())
m_localRegionSelection.moveRight(/*m_rect.right()*/width());
if (m_localRegionSelection.bottom() > /*m_rect.bottom()*/height())
m_localRegionSelection.moveBottom(/*m_rect.bottom()*/height());
update();
regionSelectionMoved(false);
return;
}
else
{
if ( m_localRegionSelection.contains( e->x(), e->y() ) )
QApplication::setOverrideCursor( QCursor(Qt::PointingHandCursor));
else
QApplication::restoreOverrideCursor();
}
}
