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QwtPickerClickRectMachine Class Reference

Inheritance diagram for QwtPickerClickRectMachine:

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Collaboration diagram for QwtPickerClickRectMachine:

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List of all members.

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

Definition at line 98 of file qwt_picker_machine.h.

Public Member Functions

virtual QValueList< Command > transition (const QwtEventPattern &, const QEvent *)


Member Function Documentation

QValueList< QwtPickerMachine::Command > QwtPickerClickRectMachine::transition const QwtEventPattern ,
const QEvent * 
[virtual]
 

Transition.

Implements QwtPickerMachine.

Definition at line 145 of file qwt_picker_machine.cpp.

References QwtEventPattern::keyMatch(), QwtEventPattern::mouseMatch(), QwtPickerMachine::setState(), and QwtPickerMachine::state().


Generated on Sun Nov 21 11:12:53 2004 for Qwt User's Guide by doxygen 1.3.5