QwtPickerClickPointMachine Class Reference

A state machine for point selections. More...

#include <qwt_picker_machine.h>

Inheritance diagram for QwtPickerClickPointMachine:

Collaboration diagram for QwtPickerClickPointMachine:

List of all members.

Public Member Functions
virtual CommandList	transition (const QwtEventPattern &, const QEvent *)
	Transition.

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Detailed Description

A state machine for point selections.

Pressing QwtEventPattern::MouseSelect1 or QwtEventPattern::KeySelect1 selects a point.

See also:

QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode

Definition at line 75 of file qwt_picker_machine.h.

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Member Function Documentation

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

Transition.

Implements QwtPickerMachine.

Definition at line 44 of file qwt_picker_machine.cpp.

References QwtPickerMachine::Append, QwtPickerMachine::Begin, QwtPickerMachine::End, QwtEventPattern::keyMatch(), QwtEventPattern::KeySelect1, QwtEventPattern::mouseMatch(), and QwtEventPattern::MouseSelect1.

{   
    QwtPickerMachine::CommandList cmdList;

    switch(e->type())
    {
        case QEvent::MouseButtonPress:
        {
            if ( eventPattern.mouseMatch(
                QwtEventPattern::MouseSelect1, (const QMouseEvent *)e) )
            {
                cmdList += Begin;
                cmdList += Append;
                cmdList += End;
            }
            break;
        }
        case QEvent::KeyPress:
        {   
            if ( eventPattern.keyMatch(
                QwtEventPattern::KeySelect1, (const QKeyEvent *)e) )
            {
                cmdList += Begin;
                cmdList += Append;
                cmdList += End;
            }   
            break;
        }
        default:
            break;
    }

    return cmdList;
}

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The documentation for this class was generated from the following files:

• qwt_picker_machine.h
• qwt_picker_machine.cpp