Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!ukc!reading!minster!paulb
From: paulb@minster.york.ac.uk
Newsgroups: comp.os.os2
Subject: Re: Focus Cycling
Message-ID: <628520435.28025@minster.york.ac.uk>
Date: 1 Dec 89 13:00:35 GMT
Organization: Department of Computer Science, University of York, England
Lines: 36

In article <13958@orstcs.CS.ORST.EDU> you write:
>...
>Ah, but I want the top window to be moved LAST.  Thus, the second window
>becomes the first, and the third the second...  When the user hits
>shift-tab the second time, there is conceptually no difference than
>when he hits it the first time.  This is what PM already does to Task
>List windows, so it CAN be done.
>...

I'm sorry, I misunderstood, your previous message.  It is certainly
possible to do this.  Call WinBeginEnumWindows(), and then
WinGetNextWindow() to find the ordering of the windows.  Put the top
window to the bottom using WinSetWindowPos() (giving the parameter
HWND_BOTTOM), and change focus to the second window (N.B. I haven't
actually tried this, but from reading the doc. I see no reason why it
shouldn't work).  This will also allow the user to change the order "on
the fly"; when he clicks on another window, simply bring it to the top,
and call WinBeginEnumWindows() and WinGetNextWindow() as before, to find
out what the new ordering is.

I'm temporarily without an OS/2 system, so this is from memory, but I
think I'm right in saying that this is not the method used by the task
manager.  Instead, the order in which you flip between windows is the
order of the task list maintained by the task manager. (i.e. a second
ordering).  Forgive me if I'm mistaken.

There was an article in the MS Systems Journal that you may find
interesting called "MDI: An Emerging Standard for Manipulating Document
Windows" by Kevin P. Welch (Vol 4, No 2, March 1989).  It describes the 
Multiple Document Interface, as defined by IBM in their SAA.  I gives a 
definition of a whole bunch of services that should be provided by any 
application program handling multiple documents via child windows.

Have fun!

PaulB->msgCount++