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Qwt User's Guide 5.2.2
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A state machine for rectangle selections. More...
#include <qwt_picker_machine.h>

Public Types | |
| enum | Command { Begin, Append, Move, End } |
| typedef QList< Command > | CommandList |
Public Member Functions | |
| void | reset () |
| void | setState (int) |
| int | state () const |
| virtual CommandList | transition (const QwtEventPattern &, const QEvent *) |
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.
enum QwtPickerMachine::Command [inherited] |
Commands - the output of the state machine.
| void QwtPickerMachine::reset | ( | ) | [inherited] |
Set the current state to 0.
| void QwtPickerMachine::setState | ( | int | state | ) | [inherited] |
Change the current state.
| int QwtPickerMachine::state | ( | ) | const [inherited] |
Return the current state.
| QwtPickerMachine::CommandList QwtPickerDragRectMachine::transition | ( | const QwtEventPattern & | eventPattern, |
| const QEvent * | e | ||
| ) | [virtual] |
Transition.
Implements QwtPickerMachine.
1.7.3