QwtPickerClickRectMachine

Langue: en

Autres versions - même langue

Version: 381559 (fedora - 01/12/10)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

QwtPickerClickRectMachine -

A state machine for rectangle selections.

SYNOPSIS


#include <qwt_picker_machine.h>

Inherits QwtPickerMachine.

Public Member Functions


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 Function Documentation

QwtPickerMachine::CommandList QwtPickerClickRectMachine::transition (const QwtEventPattern & eventPattern, const QEvent * e) [virtual]

Transition.

Implements QwtPickerMachine.

Author

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