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- .TH "QwtPickerDragLineMachine" 3 "Mon Dec 28 2020" "Version 6.1.6" "Qwt User's Guide" \" -*- nroff -*-
- .ad l
- .nh
- .SH NAME
- QwtPickerDragLineMachine \- A state machine for line selections\&.
- .SH SYNOPSIS
- .br
- .PP
- .PP
- \fC#include <qwt_picker_machine\&.h>\fP
- .PP
- Inherits \fBQwtPickerMachine\fP\&.
- .SS "Public Member Functions"
- .in +1c
- .ti -1c
- .RI "\fBQwtPickerDragLineMachine\fP ()"
- .br
- .RI "Constructor\&. "
- .ti -1c
- .RI "virtual QList< \fBCommand\fP > \fBtransition\fP (const \fBQwtEventPattern\fP &, const QEvent *)"
- .br
- .RI "Transition\&. "
- .in -1c
- .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\&.
- .PP
- \fBSee also\fP
- .RS 4
- \fBQwtEventPattern::MousePatternCode\fP, \fBQwtEventPattern::KeyPatternCode\fP
- .RE
- .PP
- .SH "Author"
- .PP
- Generated automatically by Doxygen for Qwt User's Guide from the source code\&.
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