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