From - Sat Sep 21 23:15:15 1996
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From: paulba19@mail.idt.net (Paul Baxter)
Newsgroups: comp.sys.mac.programmer.help
Subject: Re: Menu Bar Tricks
Date: Tue, 17 Sep 1996 16:07:11 -0500
Organization: IDT Corporation
Lines: 113
Message-ID: <paulba19-1709961607120001@hingham87.pcix.com>
References: <jmerrima-1609962019300001@spo-wa1-01.ix.netcom.com>
NNTP-Posting-Host: hingham87.pcix.com

In article <jmerrima-1609962019300001@spo-wa1-01.ix.netcom.com>,
jmerrima@ix.netcom.com (Jonathan Merriman) wrote:

> Does anybody know how to replace the menu bar pattern? Hide it ?
> 
> -Jonathan Merriman
> 
> ---------------------------------------------------------------------
> Jonathan Merriman            | Marathon Maniac Monthly
> jmerrima@ix.netcom.com       | Mail me if you want to pre-order.
> ---------------------------------------------------------------------
> http://www.netcom.com/~jmerrima/
> ---------------------------------------------------------------------

Hi,
  To Hide the menubar try:

/* CODE EXAMPLE #1 */
/*
 * How to hide the menubar
 * This code sample shows how to hide the menubar.  It isn't something that you
 * should really be doing (see the Apple Q&A stack for more), and the extra
 * space might not 'work' ok (ie, it might not receive mouse-clicks and
such), but
 * it will enable you to draw on (or just obscure) the menu bar. Also, you
should
 * avoid calling ExitToShell without first calling ShowMenuBar, because you'll
 * find that you have no menu bar. This code hasn't been tested with
multiple monitor
 * environments.
 */

// Assumes inclusion of <MacHeaders>

void Init(void);
void HideMenuBar(void);
void ShowMenuBar(void);

void
Init(void)
{
   InitGraf(&thePort);
   InitFonts();
   InitWindows();
   TEInit();
   InitDialogs(nil);
   InitCursor();
}

short oldMBarHeight;
RgnHandle   mBarRgn;

void HideMenuBar()
{
   RgnHandle gray;
   Rect  mBarRect;

   gray = LMGetGrayRgn();

   oldMBarHeight = LMGetMBarHeight();
   LMSetMBarHeight(0); /* make the Menu Bar's height zero */

   SetRect(&mBarRect, qd.screenBits.bounds.left, qd.screenBits.bounds.top,
         qd.screenBits.bounds.right, qd.screenBits.bounds.top + oldMBarHeight);

   mBarRgn = NewRgn();

   RectRgn(mBarRgn, &mBarRect);
   UnionRgn(gray, mBarRgn,gray);/* tell the desktop it covers the menu
                                        * bar
                                        */
   PaintOne(nil, mBarRgn); /* redraw desktop */
}

void ShowMenuBar()
{
   RgnHandle gray;

   gray = LMGetGrayRgn();
   LMSetMBarHeight(oldMBarHeight);   /* make the menu bar's height normal */
   DiffRgn(gray, mBarRgn,gray); /* remove the menu bar from the
                                        * desktop
                                        */
   DisposeRgn(mBarRgn);
}

main()
{
   Init();
   HideMenuBar();
   while (!Button())
         ;
   ShowMenuBar();
}

-- 
Paul Baxter
paulba19@idt.net

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