Qwt User's Guide
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A state machine for rectangle selections. More...
#include <qwt_picker_machine.h>
Public Member Functions | |
QwtPickerClickRectMachine () | |
Constructor. | |
virtual QList< Command > | transition (const QwtEventPattern &, const QEvent *) |
Transition. |
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.