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- '\" $Header: /user6/ouster/wish/man/RCS/toplevel.n,v 1.7 93/04/01 09:53:01 ouster Exp $ SPRITE (Berkeley)
- '/"
- .\" The definitions below are for supplemental macros used in Tcl/Tk
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- '\" # Heading for Tcl/Tk man pages
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- .HS toplevel tk
- .BS
- '\" Note: do not modify the .SH NAME line immediately below!
- .SH NAME
- toplevel \- Create and manipulate toplevel widgets
- .SH SYNOPSIS
- \fBtoplevel\fI \fIpathName \fR?\fB\-screen \fIscreenName\fR? ?\fB\-class \fIclassName\fR? ?\fIoptions\fR?
- .SH "STANDARD OPTIONS"
- .LP
- .nf
- .ta 4c 8c 12c
- \fBbackground\fR \fBgeometry\fR
- \fBborderWidth\fR \fBrelief\fR
- .fi
- .LP
- See the ``options'' manual entry for details on the standard options.
- .SH "WIDGET-SPECIFIC OPTIONS"
- .BE
-
- .SH DESCRIPTION
- .PP
- The \fBtoplevel\fR command creates a new toplevel widget (given
- by the \fIpathName\fR argument). Additional
- options, described above, may be specified on the command line
- or in the option database
- to configure aspects of the toplevel such as its background color
- and relief. The \fBtoplevel\fR command returns the
- path name of the new window.
- .PP
- A toplevel is similar to a frame except that it is created as a
- top-level window: its X parent is the root window of a screen
- rather than the logical parent from its path name. The primary
- purpose of a toplevel is to serve as a container for dialog boxes
- and other collections of widgets. The only features
- of a toplevel are its background color and an optional 3-D border
- to make the toplevel appear raised or sunken.
- .PP
- Two special command-line options may be provided to the \fBtoplevel\fR
- command: \fB\-class\fR and \fB\-screen\fR. If \fB\-class\fR
- is specified, then the new widget's class will be set to
- \fIclassName\fR instead of \fBToplevel\fR. Changing the class of
- a toplevel widget may be useful
- in order to use a special class name in database options referring
- to this widget and its children. The \fB\-screen\fR option
- may be used to place the window on a different screen than the
- window's logical parent. Any valid screen name may be used, even
- one associated with a different display.
- .PP
- Note: \fB\-class\fR and \fB\-screen\fR are handled
- differently than other command-line options. They may not be specified
- using the option database (these options must have been processed
- before the new window has been created enough to use the option database;
- in particular, the new class name will affect the lookup of options
- in the database). In addition, \fB\-class\fR and \fB\-screen\fR
- may not be queried or changed using the \fBconfig\fR command described
- below. However, the \fBwinfo class\fR command may be used to query
- the class of a window, and \fBwinfo screen\fR may be used to query
- its screen.
-
- .SH "WIDGET COMMAND"
- .PP
- The \fBtoplevel\fR command creates a new Tcl command whose
- name is the same as the path name of the toplevel's window. This
- command may be used to invoke various
- operations on the widget. It has the following general form:
- .DS C
- \fIpathName option \fR?\fIarg arg ...\fR?
- .DE
- \fIPathName\fR is the name of the command, which is the same as
- the toplevel widget's path name. \fIOption\fR and the \fIarg\fRs
- determine the exact behavior of the command. The following
- commands are possible for toplevel widgets:
- .TP
- \fIpathName \fBconfigure\fR ?\fIoption\fR? ?\fIvalue option value ...\fR?
- Query or modify the configuration options of the widget.
- If no \fIoption\fR is specified, returns a list describing all of
- the available options for \fIpathName\fR (see \fBTk_ConfigureInfo\fR for
- information on the format of this list). If \fIoption\fR is specified
- with no \fIvalue\fR, then the command returns a list describing the
- one named option (this list will be identical to the corresponding
- sublist of the value returned if no \fIoption\fR is specified). If
- one or more \fIoption\-value\fR pairs are specified, then the command
- modifies the given widget option(s) to have the given value(s); in
- this case the command returns an empty string.
- \fIOption\fR may have any of the values accepted by the \fBtoplevel\fR
- command.
-
- .SH BINDINGS
- .PP
- When a new toplevel is created, it has no default event bindings:
- toplevels are not intended to be interactive.
-
- .SH KEYWORDS
- toplevel, widget
-