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Qwt User's Guide
5.2.3
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#include <qwt_picker_machine.h>

Public Member Functions | |
| virtual CommandList | transition (const QwtEventPattern &, const QEvent *) |
Public Member Functions inherited from QwtPickerMachine | |
| virtual | ~QwtPickerMachine () |
| void | reset () |
| void | setState (int) |
| int | state () const |
Additional Inherited Members | |
Public Types inherited from QwtPickerMachine | |
| enum | Command { Begin, Append, Move, End } |
| typedef QList< Command > | CommandList |
Protected Member Functions inherited from QwtPickerMachine | |
| QwtPickerMachine () | |
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.
1.8.1