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<HEAD>
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<TITLE>iwidgets2.2.0 User Commands - shell</TITLE>
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<BODY BGCOLOR="#FFFFFF">
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<H1>iwidgets2.2.0 User Commands - shell</H1>
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<HR>
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<PRE>
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</PRE>
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<H2><HR ALIGN=LEFT WIDTH=70% SIZE=3></H2><PRE>
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</PRE>
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<H2>NAME</H2><PRE>
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shell - Create and manipulate a shell widget
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</PRE>
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<H2>SYNOPSIS</H2><PRE>
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<STRONG>shell</STRONG> <EM>pathName</EM> ?<EM>options</EM>?
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</PRE>
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<H2>INHERITANCE</H2><PRE>
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itk::Toplevel <- shell
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</PRE>
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<H2>STANDARD OPTIONS</H2><PRE>
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<STRONG>background</STRONG> <STRONG>cursor</STRONG> <STRONG>foreground</STRONG>
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See the "options" manual entry for details on the standard
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options.
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</PRE>
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<H2>WIDGET-SPECIFIC OPTIONS</H2><PRE>
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Name: <STRONG>master</STRONG>
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Class: <STRONG>Window</STRONG>
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Command-Line Switch: <STRONG>-master</STRONG>
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Defines the shell as being a transient window with the
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master window given by the master option. The master
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window should be either another existing toplevel win-
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dow or {} for no master. The default is {} for shells
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and "." for dialogs.
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Name: <STRONG>modality</STRONG>
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Class: <STRONG>Modality</STRONG>
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Command-Line Switch: <STRONG>-modality</STRONG>
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Allows the shell to grab control of the screen in one
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of three different ways: <STRONG>application</STRONG>, <STRONG>system</STRONG>, or <STRONG>none</STRONG>.
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Application modal prevents any other toplevel windows
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within the application which are direct children of '.'
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from gaining focus. System modal locks the screen and
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prevents all windows from gaining focus regardless of
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application. A modality of none performs no grabs at
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all. The default is none.
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Name: <STRONG>padX</STRONG>
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Class: <STRONG>Pad</STRONG>
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Command-Line Switch: <STRONG>-padx</STRONG>
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Specifies a padding distance for the childsite in the
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X-direction in any of the forms acceptable to
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<STRONG>Tk_GetPixels</STRONG>. The default is 10.
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Name: <STRONG>padY</STRONG>
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Class: <STRONG>Pad</STRONG>
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Command-Line Switch: <STRONG>-pady</STRONG>
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Specifies a padding distance for the childsite in the
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Y-direction in any of the forms acceptable to
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<STRONG>Tk_GetPixels</STRONG>. The default is 10.
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Name: <STRONG>title</STRONG>
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Class: <STRONG>Title</STRONG>
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Command-Line Switch: <STRONG>-title</STRONG>
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String to be displayed in the title window decoration.
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</PRE>
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<H2><HR ALIGN=LEFT WIDTH=70% SIZE=3></H2><PRE>
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</PRE>
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<H2>DESCRIPTION</H2><PRE>
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The <STRONG>shell</STRONG> command creates a shell which is a top level
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widget which supports modal operation.
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</PRE>
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<H2>METHODS</H2><PRE>
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The <STRONG>shell</STRONG> command create a new Tcl command whose name is
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<EM>pathName</EM>. This command may be used to invoke various opera-
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tions on the widget. It has the following general form:
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<EM>pathName</EM> <EM>option</EM> ?<EM>arg</EM> <EM>arg</EM> ...?
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<EM>Option</EM> and the <EM>arg</EM>s determine the exact behavior of the com-
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mand. The following commands are possible for shell widg-
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ets:
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</PRE>
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<H2>WIDGET-SPECIFIC METHODS</H2><PRE>
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<EM>pathName</EM> <STRONG>activate</STRONG>
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Display the shell and wait based on the modality. For
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application and system modal activations, perform a
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grab operation, and wait for the result. The result
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may be returned via an argument to the <STRONG>deactivate</STRONG>
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method.
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<EM>pathName</EM> <STRONG>center</STRONG> ?<EM>widget</EM>?
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Centers the shell with respect to another widget. The
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widget argument is optional. If provided, it should be
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the path of another widget with to center upon. If
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absent, then the shell will be centered on the screen
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as a whole.
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<EM>pathName</EM> <STRONG>cget</STRONG> <EM>option</EM>
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Returns the current value of the configuration option
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given by <EM>option</EM>. <EM>Option</EM> may have any of the values
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accepted by the <STRONG>shell</STRONG> command.
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<EM>pathName</EM> <STRONG>childsite</STRONG>
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Returns the pathname of the child site widget.
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<EM>pathName</EM> <STRONG>configure</STRONG> ?<EM>option</EM>? ?<EM>value</EM> <EM>option</EM> <EM>value</EM> ...?
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Query or modify the configuration options of the
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widget. If no <EM>option</EM> is specified, returns a list
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describing all of the available options for <EM>pathName</EM>
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(see <STRONG>Tk_ConfigureInfo</STRONG> for information on the format of
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this list). If <EM>option</EM> is specified with no <EM>value</EM>, then
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the command returns a list describing the one named
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option (this list will be identical to the correspond-
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ing sublist of the value returned if no <EM>option</EM> is
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specified). If one or more <EM>option</EM> - <EM>value</EM> pairs are
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specified, then the command modifies the given widget
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option(s) to have the given value(s); in this case the
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command returns an empty string. <EM>Option</EM> may have any
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of the values accepted by the <STRONG>shell</STRONG> command.
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<EM>pathName</EM> <STRONG>deactivate</STRONG> ?<EM>arg</EM>?
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Deactivate the display of the shell. The method takes
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an optional argument to be passed to the <STRONG>activate</STRONG>
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method which returns the value. The optional argument
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is only effective for application and system modal dia-
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logs.
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</PRE>
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<H2>COMPONENTS</H2><PRE>
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Name: <STRONG>shellchildsite</STRONG>
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Class: <STRONG>frame</STRONG>
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The shellchildsite component is the user child site for
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the shell. See the "frame" widget manual entry for
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details on the shellchildsite component item.
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</PRE>
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<H2>EXAMPLE</H2><PRE>
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shell .sh -modality application -padx 20 -pady 20 -title Shell
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pack [label [.sh childsite].l -text SHELL]
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.sh center
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.sh activate
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</PRE>
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<H2>AUTHOR</H2><PRE>
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Mark L. Ulferts
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Kris Raney
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</PRE>
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<H2>KEYWORDS</H2><PRE>
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shell, widget
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</PRE>
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</BODY>
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</HTML>
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