// This slot is invoked by QLayout when the size grip is added to
// a layout or reparented after the tlw is shown. This re-implementation is basically
// the same as QWidgetPrivate::_q_showIfNotHidden except that it checks
// for Qt::WindowFullScreen and Qt::WindowMaximized as well.
void _q_showIfNotHidden()
{
Q_Q(QSizeGrip);
bool showSizeGrip = !(q->isHidden() && q->testAttribute(Qt::WA_WState_ExplicitShowHide));
updateTopLevelWidget();
if (tlw && showSizeGrip) {
Qt::WindowStates sizeGripNotVisibleState = Qt::WindowFullScreen;
#ifndef Q_WS_MAC
sizeGripNotVisibleState |= Qt::WindowMaximized;
#endif
// Don't show the size grip if the tlw is maximized or in full screen mode.
showSizeGrip = !(tlw->windowState() & sizeGripNotVisibleState);
}
if (showSizeGrip)
q->setVisible(true);
}
void CSizeGrip::init()
{
dxMax = 0;
dyMax = 0;
tlw = 0;
m_corner = isLeftToRight() ? Qt::BottomRightCorner : Qt::BottomLeftCorner;
gotMousePress = false;
#if !defined(QT_NO_CURSOR) && !defined(Q_WS_MAC)
setCursor(m_corner == Qt::TopLeftCorner || m_corner == Qt::BottomRightCorner
? Qt::SizeFDiagCursor : Qt::SizeBDiagCursor);
#endif
setSizePolicy(QSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed));
updateTopLevelWidget();
}