QwtPickerClickRectMachine(3) Qwt User's Guide QwtPickerClickRectMachine(3)NAMEQwtPickerClickRectMachine-
A state machine for rectangle selections.
SYNOPSIS
#include <qwt_picker_machine.h>
Inherits QwtPickerMachine.
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
*)
Detailed Description
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.
See also:
QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode
Member Enumeration Documentation
enum QwtPickerMachine::Command [inherited]
Commands - the output of the state machine.
Member Function Documentation
void QwtPickerMachine::reset () [inherited]
Set the current state to 0.
void QwtPickerMachine::setState (intstate) [inherited]
Change the current state.
int QwtPickerMachine::state () const [inherited]
Return the current state.
QwtPickerMachine::CommandList QwtPickerClickRectMachine::transition (const
QwtEventPattern &eventPattern, const QEvent *e) [virtual]
Transition.
Implements QwtPickerMachine.
Author
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code.
Version 5.2.2 Mon Aug 1 2011 QwtPickerClickRectMachine(3)
