51 qWarning(
"QDesktopWidget::screenGeometry(): Attempt " 52 "to get the screen geometry of a null widget");
64 qWarning(
"QDesktopWidget::availableGeometry(): Attempt " 65 "to get the available geometry of a null widget");
bool isNull() const
Returns true if the rectangle is a null rectangle, otherwise returns false.
#define QT_END_NAMESPACE
This macro expands to.
QPointer< QWidget > widget
#define QT_BEGIN_NAMESPACE
This macro expands to.
Q_CORE_EXPORT void qWarning(const char *,...)
The QRect class defines a rectangle in the plane using integer precision.