QwtPickerDragRectMachine Class Reference
A state machine for rectangle selections. More...
#include <qwt_picker_machine.h>
Inheritance diagram for QwtPickerDragRectMachine:
Public Member Functions | |
virtual CommandList | transition (const QwtEventPattern &, const QEvent *) |
Detailed Description
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.
Member Function Documentation
QwtPickerMachine::CommandList QwtPickerDragRectMachine::transition | ( | const QwtEventPattern & | eventPattern, | |
const QEvent * | e | |||
) | [virtual] |
Transition.
Implements QwtPickerMachine.
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