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Qwt User's Guide
6.0.2
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#include <qwt_picker_machine.h>

Public Member Functions | |
| QwtPickerDragRectMachine () | |
| virtual QList< Command > | transition (const QwtEventPattern &, const QEvent *) |
Public Member Functions inherited from QwtPickerMachine | |
| QwtPickerMachine (SelectionType) | |
| virtual | ~QwtPickerMachine () |
| void | reset () |
| SelectionType | selectionType () const |
| void | setState (int) |
| int | state () const |
Additional Inherited Members | |
Public Types inherited from QwtPickerMachine | |
| enum | Command { Begin, Append, Move, Remove, End } |
| enum | SelectionType { NoSelection = -1, PointSelection, RectSelection, PolygonSelection } |
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.
1.8.1