A state machine for rectangle selections. More...
#include <qwt_picker_machine.h>
Public Member Functions | |
QwtPickerDragRectMachine () | |
Constructor. More... | |
virtual QList< Command > | transition (const QwtEventPattern &, const QEvent *) QWT_OVERRIDE |
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 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.
Definition at line 161 of file qwt_picker_machine.h.
QwtPickerDragRectMachine::QwtPickerDragRectMachine | ( | ) |
Constructor.
Definition at line 312 of file qwt_picker_machine.cpp.
|
virtual |