103 lines
2.5 KiB
Groff
103 lines
2.5 KiB
Groff
.TH "QwtPickerMachine" 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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QwtPickerMachine \- A state machine for \fBQwtPicker\fP 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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Inherited by \fBQwtPickerClickPointMachine\fP, \fBQwtPickerClickRectMachine\fP, \fBQwtPickerDragLineMachine\fP, \fBQwtPickerDragPointMachine\fP, \fBQwtPickerDragRectMachine\fP, \fBQwtPickerPolygonMachine\fP, and \fBQwtPickerTrackerMachine\fP\&.
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.SS "Public Types"
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.in +1c
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.ti -1c
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.RI "enum \fBSelectionType\fP { \fBNoSelection\fP = -1, \fBPointSelection\fP, \fBRectSelection\fP, \fBPolygonSelection\fP }"
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.br
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.ti -1c
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.RI "enum \fBCommand\fP { \fBBegin\fP, \fBAppend\fP, \fBMove\fP, \fBRemove\fP, \fBEnd\fP }"
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.br
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.RI "Commands - the output of a state machine\&. "
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.in -1c
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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 "\fBQwtPickerMachine\fP (\fBSelectionType\fP)"
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.br
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.RI "Constructor\&. "
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.ti -1c
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.RI "virtual \fB~QwtPickerMachine\fP ()"
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.br
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.RI "Destructor\&. "
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.ti -1c
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.RI "virtual \fBQList\fP< \fBCommand\fP > \fBtransition\fP (const \fBQwtEventPattern\fP &, const QEvent *)=0"
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.br
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.RI "Transition\&. "
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.ti -1c
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.RI "void \fBreset\fP ()"
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.br
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.RI "Set the current state to 0\&. "
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.ti -1c
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.RI "int \fBstate\fP () const"
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.br
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.RI "Return the current state\&. "
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.ti -1c
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.RI "void \fBsetState\fP (int)"
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.br
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.RI "Change the current state\&. "
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.ti -1c
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.RI "\fBSelectionType\fP \fBselectionType\fP () const"
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.br
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.RI "Return the selection type\&. "
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.in -1c
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.SH "Detailed Description"
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.PP
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A state machine for \fBQwtPicker\fP selections\&.
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\fBQwtPickerMachine\fP accepts key and mouse events and translates them into selection commands\&.
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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 28 of file qwt_picker_machine\&.h\&.
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.SH "Member Enumeration Documentation"
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.PP
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.SS "enum \fBQwtPickerMachine::SelectionType\fP"
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Type of a selection\&.
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.PP
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\fBSee also\fP
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.RS 4
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\fBselectionType()\fP
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.RE
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.PP
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.PP
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\fBEnumerator\fP
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.in +1c
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.TP
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\fB\fINoSelection \fP\fP
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The state machine not usable for any type of selection\&.
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.TP
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\fB\fIPointSelection \fP\fP
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The state machine is for selecting a single point\&.
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.TP
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\fB\fIRectSelection \fP\fP
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The state machine is for selecting a rectangle (2 points)\&.
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.TP
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\fB\fIPolygonSelection \fP\fP
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The state machine is for selecting a polygon (many points)\&.
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.PP
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Definition at line 35 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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