47 lines
1.4 KiB
Plaintext
47 lines
1.4 KiB
Plaintext
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'\"
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'\" Copyright (c) 2008 Arnulf Wiedemann
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'\"
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'\" See the file "license.terms" for information on usage and redistribution
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'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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'\"
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.TH component n 4.0 itcl "[incr\ Tcl]"
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.so man.macros
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.BS
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'\" Note: do not modify the .SH NAME line immediately below!
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.SH NAME
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itcl::component \- define components for extendedclass, widget or widgetadaptor
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.PP
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Parts of this description are "borrowed" from Tcl extension [snit], as the functionality is mostly identical.
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.SH WARNING!
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This is new functionality in [incr Tcl] where the API can still change!!
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.SH SYNOPSIS
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.nf
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\fBpublic component \fIcomp\fR ?\fB-inherit\fR?
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\fBprotected component \fIcomp\fR ?\fB-inherit\fR?
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\fBprivate component \fIcomp\fR ?\fB-inherit\fR?
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.fi
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.BE
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.SH DESCRIPTION
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.PP
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The \fBcomponent\fR command is used inside an \fB[incr\ Tcl]\fR
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extendedclass/widget/widgetadaptor definition to define components.
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.PP
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Explicitly declares a component called comp, and automatically defines
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the component's instance variable.
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.PP
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If the \fI-inherit\fR option is specified then all unknown methods
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and options will be delegated to this component. The name -inherit
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implies that instances of this new type inherit, in a sense,
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the methods and options of the component. That is,
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-inherit yes is equivalent to:
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.PP
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.CS
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component mycomp
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delegate option * to mycomp
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delegate method * to mycomp
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.CE
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.SH KEYWORDS
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component, widget, widgetadaptor, extendedclass
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