Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!cs.utexas.edu!helios!inetg1!news
From: dedreb@arco.com (Richard Beecher)
Newsgroups: comp.sys.mac.programmer
Subject: MoveControl Problems  ** Summary **
Message-ID: <1991May10.150200.13220@Arco.COM>
Date: 10 May 91 15:02:00 GMT
References: <1991Apr26.202450.21200@Arco.COM> <1991May7.205425.5339@Arco.COM>
Sender: news@Arco.COM
Organization: Arco Alaska
Lines: 46

I have received a few replies to my MoveControl Problems article, so I thought
I would post a summary.

Basically, when a control is moved in a dialog box, the Dialog manager needs to
know where its new item rectangle is.  This is easily accomplished with a call
to SetDItem.  Simple, yes, but this drove me crazy for a while (see my original
posting--MoveControl Problem #2).  So, here's what I now do in my page preview
routine:

/****************** DoPreview ********************/

void DoPreview()
{
   DialogPtr      dialog;
   ControlHandle  printCntl, cancelCntl;
   etc...
   .
   Set up dialog box, etc.
   .
   GetDItem( dialog, PREV_PRINT_ITEM, &itemType, &printCntl, &itemRect );
   GetDItem( dialog, PREV_CANCEL_ITEM, &itemType, &cancelCntl, &itemRect );

   ...calculate button locations based on the size of the screen...
        
   MoveControl( cancelCntl, h, v );
   MoveControl( printCntl, h+h1+margin, v );

   HLock( cancelCntl );
   HLock( printCntl );
   SetDItem( dialog, PREV_PRINT_ITEM, itemType, printCntl,
      &((**printCntl).contrlRect) );
   SetDItem( dialog, PREV_CANCEL_ITEM, itemType, cancelCntl,
      &((**cancelCntl).contrlRect) );
   HUnlock( cancelCntl );
   HUnlock( printCntl );
   .
   .
   Do ModalDialog(), etc. stuff, then exit
   .
}

Works like a charm!!!   Thanks a bunch for the help!  :-)

------------------------------------------------
     Richard Beecher:  dedreb@arco.com
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