47 lines
1.3 KiB
Groff
47 lines
1.3 KiB
Groff
.TH "QwtPickerDragLineMachine" 3 "Sun Jul 18 2021" "Version 6.2.0" "Qwt User's Guide" \" -*- nroff -*-
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.ad l
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.nh
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.SH NAME
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QwtPickerDragLineMachine \- A state machine for line selections\&.
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.SH SYNOPSIS
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.br
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.PP
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.PP
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\fC#include <qwt_picker_machine\&.h>\fP
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.PP
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Inherits \fBQwtPickerMachine\fP\&.
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.SS "Public Member Functions"
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.in +1c
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.ti -1c
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.RI "\fBQwtPickerDragLineMachine\fP ()"
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.br
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.RI "Constructor\&. "
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.ti -1c
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.RI "virtual \fBQList\fP< \fBCommand\fP > \fBtransition\fP (const \fBQwtEventPattern\fP &, const QEvent *) override"
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.br
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.RI "Transition\&. "
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.in -1c
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.SS "Additional Inherited Members"
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.SH "Detailed Description"
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.PP
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A state machine for line selections\&.
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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\&.
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.PP
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A common use case of \fBQwtPickerDragLineMachine\fP are pickers for distance measurements\&.
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.PP
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\fBSee also\fP
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.RS 4
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\fBQwtEventPattern::MousePatternCode\fP, \fBQwtEventPattern::KeyPatternCode\fP
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.RE
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.PP
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.PP
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Definition at line 185 of file qwt_picker_machine\&.h\&.
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.SH "Author"
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.PP
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Generated automatically by Doxygen for Qwt User's Guide from the source code\&.
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