QwtPickerDragRectMachine - Man Page

Name

QwtPickerDragRectMachine ā€”

A state machine for rectangle selections. Ā 

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 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.

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 QwtPickerDragRectMachine::transition (const QwtEventPattern &eventPattern, const QEvent *e) [virtual]

Transition.

Implements QwtPickerMachine.

Author

Generated automatically by Doxygen for Qwt User's Guide from the source code.

Info

Mon Aug 1 2011 Version 5.2.2 Qwt User's Guide