qwtplotitem.3

linux下qt的第三方的一个类

.TH "QwtPlotItem" 3 "16 Nov 2004" "Version 4.2.0" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtPlotItem \- 
.SH SYNOPSIS
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.PP
Inherited by \fBQwtPlotMappedItem\fP.
.PP
.SH "Detailed Description"
.PP 
Base class for items on the plot canvas. 
.PP
Definition at line 21 of file qwt_plot_item.h.
.SS "Public Member Functions"

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.RI "\fBQwtPlotItem\fP (\fBQwtPlot\fP *parent, bool nbl=TRUE)"
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.RI "virtual \fB~QwtPlotItem\fP ()"
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.RI "void \fBreparent\fP (\fBQwtPlot\fP *plot)"
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.RI "\fBQwtPlot\fP * \fBparentPlot\fP ()"
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.RI "const \fBQwtPlot\fP * \fBparentPlot\fP () const"
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.RI "virtual void \fBsetEnabled\fP (bool)"
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.RI "bool \fBenabled\fP () const"
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.RI "virtual void \fBitemChanged\fP ()"
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.SH "Constructor & Destructor Documentation"
.PP 
.SS "QwtPlotItem::QwtPlotItem (\fBQwtPlot\fP * parent, bool nbl = \fCTRUE\fP)"
.PP
Constructor. 
.PP
Definition at line 14 of file qwt_plot_item.cpp.
.SS "QwtPlotItem::~\fBQwtPlotItem\fP ()\fC [virtual]\fP"
.PP
Destroy the QwtPlotItem. 
.PP
Definition at line 21 of file qwt_plot_item.cpp.
.SH "Member Function Documentation"
.PP 
.SS "bool QwtPlotItem::enabled () const"
.PP
\fBReturns:\fP
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TRUE if enabled 
.RE
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\fBSee also:\fP
.RS 4
\fBQwtPlotItem::setEnabled\fP 
.RE
.PP
Definition at line 48 of file qwt_plot_item.cpp.
.PP
Referenced by QwtPlot::drawCanvasItems().
.SS "void QwtPlotItem::itemChanged ()\fC [virtual]\fP"
.PP
Call \fBQwtPlot::autoRefresh\fP for the parent plot. 
.PP
Definition at line 54 of file qwt_plot_item.cpp.
.PP
References QwtPlot::autoRefresh().
.PP
Referenced by QwtPlotCurve::curveChanged(), QwtPlotGrid::gridChanged(), QwtPlotMarker::markerChanged(), QwtPlotMappedItem::setAxis(), setEnabled(), QwtPlotMappedItem::setXAxis(), and QwtPlotMappedItem::setYAxis().
.SS "const \fBQwtPlot\fP* QwtPlotItem::parentPlot () const"
.PP
Return parent plot. 
.PP
Definition at line 33 of file qwt_plot_item.h.
.SS "\fBQwtPlot\fP* QwtPlotItem::parentPlot ()"
.PP
Return parent plot. 
.PP
Definition at line 30 of file qwt_plot_item.h.
.SS "void QwtPlotItem::reparent (\fBQwtPlot\fP * plot)"
.PP
reparent the item 
.PP
Definition at line 26 of file qwt_plot_item.cpp.
.PP
Referenced by QwtPlot::insertCurve(), and QwtPlot::insertMarker().
.SS "void QwtPlotItem::setEnabled (bool tf)\fC [virtual]\fP"
.PP
enables the item 
.PP
\fBSee also:\fP
.RS 4
\fBQwtPlotItem::setEnabled\fP 
.RE
.PP
Definition at line 35 of file qwt_plot_item.cpp.
.PP
References itemChanged().

.SH "Author"
.PP 
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