A state machine for rectangle selections. More...
#include <qwt_picker_machine.h>
Public Member Functions | |
QwtPickerClickRectMachine () | |
virtual QList< Command > | transition (const QwtEventPattern &, const QEvent *) |
A state machine for rectangle selections.
Pressing QwtEventPattern::MouseSelect1 starts the selection, releasing it selects the first point. Pressing it again selects the second point and terminates the selection. Pressing QwtEventPattern::KeySelect1 also starts the selection, a second press selects the first point. A third one selects the second point and terminates the selection.
QwtPickerClickRectMachine::QwtPickerClickRectMachine | ( | ) |
Constructor.
QList< QwtPickerMachine::Command > QwtPickerClickRectMachine::transition | ( | const QwtEventPattern & | eventPattern, | |
const QEvent * | e | |||
) | [virtual] |
Transition.
Implements QwtPickerMachine.