.TH "QwtPickerMachine" 3 "Sun Jul 18 2021" "Version 6.2.0" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtPickerMachine \- A state machine for \fBQwtPicker\fP selections\&.  

.SH SYNOPSIS
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.PP
.PP
\fC#include <qwt_picker_machine\&.h>\fP
.PP
Inherited by \fBQwtPickerClickPointMachine\fP, \fBQwtPickerClickRectMachine\fP, \fBQwtPickerDragLineMachine\fP, \fBQwtPickerDragPointMachine\fP, \fBQwtPickerDragRectMachine\fP, \fBQwtPickerPolygonMachine\fP, and \fBQwtPickerTrackerMachine\fP\&.
.SS "Public Types"

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.RI "enum \fBSelectionType\fP { \fBNoSelection\fP = -1, \fBPointSelection\fP, \fBRectSelection\fP, \fBPolygonSelection\fP }"
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.RI "enum \fBCommand\fP { \fBBegin\fP, \fBAppend\fP, \fBMove\fP, \fBRemove\fP, \fBEnd\fP }"
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.RI "Commands - the output of a state machine\&. "
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.SS "Public Member Functions"

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.RI "\fBQwtPickerMachine\fP (\fBSelectionType\fP)"
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.RI "Constructor\&. "
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.RI "virtual \fB~QwtPickerMachine\fP ()"
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.RI "Destructor\&. "
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.RI "virtual \fBQList\fP< \fBCommand\fP > \fBtransition\fP (const \fBQwtEventPattern\fP &, const QEvent *)=0"
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.RI "Transition\&. "
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.RI "void \fBreset\fP ()"
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.RI "Set the current state to 0\&. "
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.RI "int \fBstate\fP () const"
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.RI "Return the current state\&. "
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.RI "void \fBsetState\fP (int)"
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.RI "Change the current state\&. "
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.RI "\fBSelectionType\fP \fBselectionType\fP () const"
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.RI "Return the selection type\&. "
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.SH "Detailed Description"
.PP 
A state machine for \fBQwtPicker\fP selections\&. 

\fBQwtPickerMachine\fP accepts key and mouse events and translates them into selection commands\&.
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\fBSee also\fP
.RS 4
\fBQwtEventPattern::MousePatternCode\fP, \fBQwtEventPattern::KeyPatternCode\fP 
.RE
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Definition at line 28 of file qwt_picker_machine\&.h\&.
.SH "Member Enumeration Documentation"
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.SS "enum \fBQwtPickerMachine::SelectionType\fP"
Type of a selection\&. 
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\fBSee also\fP
.RS 4
\fBselectionType()\fP 
.RE
.PP

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\fBEnumerator\fP
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.TP
\fB\fINoSelection \fP\fP
The state machine not usable for any type of selection\&. 
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\fB\fIPointSelection \fP\fP
The state machine is for selecting a single point\&. 
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\fB\fIRectSelection \fP\fP
The state machine is for selecting a rectangle (2 points)\&. 
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\fB\fIPolygonSelection \fP\fP
The state machine is for selecting a polygon (many points)\&. 
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Definition at line 35 of file qwt_picker_machine\&.h\&.

.SH "Author"
.PP 
Generated automatically by Doxygen for Qwt User's Guide from the source code\&.