A state machine for rectangle selections. More...
#include <qwt_picker_machine.h>
Public Member Functions | |
QwtPickerClickRectMachine () | |
Constructor. More... | |
virtual QList< Command > | transition (const QwtEventPattern &, const QEvent *) |
Transition. More... | |
Public Member Functions inherited from QwtPickerMachine | |
QwtPickerMachine (SelectionType) | |
Constructor. More... | |
void | reset () |
Set the current state to 0. More... | |
SelectionType | selectionType () const |
Return the selection type. More... | |
void | setState (int) |
Change the current state. More... | |
int | state () const |
Return the current state. More... | |
virtual | ~QwtPickerMachine () |
Destructor. More... | |
Additional Inherited Members | |
Public Types inherited from QwtPickerMachine | |
enum | Command { Begin, Append, Move, Remove, End } |
Commands - the output of a state machine. More... | |
enum | SelectionType { NoSelection = -1, PointSelection, RectSelection, PolygonSelection } |
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.
Definition at line 140 of file qwt_picker_machine.h.
QwtPickerClickRectMachine::QwtPickerClickRectMachine | ( | ) |
Constructor.
Definition at line 212 of file qwt_picker_machine.cpp.
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