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<TITLE>Magic-7.3 Command Reference</TITLE>
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<H1> <IMG SRC=graphics/magic_title2.gif ALT="Magic VLSI Layout Tool Version 7.3">
<IMG SRC=graphics/magic_OGL_sm.gif ALIGN="top" ALT="*"> </H1>
<H2><I>tk_path_name</I></H2>
<HR>
Execute a window command in the indicated window.
<HR>
<H3>Shortcuts:</H3>
<BLOCKQUOTE>
Key macro <B>:</B> (colon) implements the command <I>tk_path_name</I>
by prepending the window name to the command typed on the command
line when the command is executed. This action is, however,
transparent to the end user.
</BLOCKQUOTE>
<H3>Usage:</H3>
<BLOCKQUOTE>
<I>tk_path_name command_name</I> <BR><BR>
<BLOCKQUOTE>
where <I>command_name</I> is any valid window command
for the type of window indicated by <I>tk_path_name</I>.
</BLOCKQUOTE>
</BLOCKQUOTE>
<H3>Summary:</H3>
<BLOCKQUOTE>
The <I>tk_path_name</I> command is unique for each window
that is created in magic. The name of the window is
registered as a command name with the Tcl interpreter.
When the window name is used as a command, the arguments
of the command are passed to the <B>magic</B> command
interpreter to be executed in the context of that
specific window. Effectively, it is the same as typing
the macro "<B>:</B>" (colon) in a layout window, and then
typing the command on the command line. <P>
For example, the default first window that is created in
the Tcl GUI version of magic is <B>.layout1.magic</B>.
Upon creation, the command name <B>.layout1.magic</B> is
registered with the Tcl interpreter. Subsequently, any
command on the command-line will be executed in relation
to that window if it is specified as an option to the
<B>.layout1.magic</B> command:
<BLOCKQUOTE>
<B>.layout1.magic box 0 0 10 10</B>
</BLOCKQUOTE>
which is exactly the same as putting the X11 pointer
cursor in the layout window, typing the "<B>:</B>"
(colon) macro, then typing the command <B>box 0 0 10 10</B>
into the command line and hitting the <B>return</B> key. <P>
Similarly to layout windows, windows created with the
<B>specialopen</B> command have their Tk path names registered
as commands with the Tcl interpreter, and can be passed
commands recognized by the specific window type (e.g.,
netlist commands in the netlist special window).
</BLOCKQUOTE>
<H3>Implementation Notes:</H3>
<BLOCKQUOTE>
<I>tk_path_name</I> is implemented as a built-in command
in <B>magic</B> which is registered with the Tcl interpreter
when the window is created and unregistered when the
window is destroyed.
</BLOCKQUOTE>
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<TABLE BORDER=0>
<TR>
<TD> <A HREF=commands.html>Return to command index</A>
</TR>
</TABLE>
<P><I>Last updated:</I> October 16, 2004 at 1:54pm <P>
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