.TH "QwtPickerDragLineMachine" 3 "Wed Jan 2 2019" "Version 6.1.4" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtPickerDragLineMachine \- A state machine for line selections\&.  

.SH SYNOPSIS
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.PP
.PP
\fC#include <qwt_picker_machine\&.h>\fP
.PP
Inherits \fBQwtPickerMachine\fP\&.
.SS "Public Member Functions"

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.RI "\fBQwtPickerDragLineMachine\fP ()"
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.RI "Constructor\&. "
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.RI "virtual QList< \fBCommand\fP > \fBtransition\fP (const \fBQwtEventPattern\fP &, const QEvent *)"
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.RI "Transition\&. "
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.SS "Additional Inherited Members"
.SH "Detailed Description"
.PP 
A state machine for line selections\&. 

Pressing \fBQwtEventPattern::MouseSelect1\fP selects the first point, releasing it the second point\&. Pressing \fBQwtEventPattern::KeySelect1\fP also selects the first point, a second press selects the second point and terminates the selection\&.
.PP
A common use case of \fBQwtPickerDragLineMachine\fP are pickers for distance measurements\&.
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\fBSee also:\fP
.RS 4
\fBQwtEventPattern::MousePatternCode\fP, \fBQwtEventPattern::KeyPatternCode\fP 
.RE
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.SH "Author"
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Generated automatically by Doxygen for Qwt User's Guide from the source code\&.