November 1999
Intermediate to advanced
832 pages
19h 28m
English
Content preview from Practical Programming in Tcl & Tk, Third Edition
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The wm Command
The wm command has about 20 operations that interact with the window manager. The general form of the command is:
wm operation win ?args?
In all cases the win argument must be a toplevel. Otherwise, an error is raised. In many cases, the operation either sets or queries a value. If a new value is not specified, then the current settings are returned. For example, this command returns the current window geometry:
wm geometry .
=> 300x200+327+20
This command defines a new geometry:
wm geometry . 400x200+0+0
There are lots of wm operations, and this reflects the complex protocol with UNIX window managers. The summary below lists the subset of operations that I find useful. The operations can be grouped into four main categories: ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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