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From: schwager@m.cs.uiuc.edu (Michael Schwager)
Newsgroups: comp.sys.amiga.programmer
Subject: Re: Using the Layers library to do non-Intuition windows
Message-ID: <1991Apr27.113212.8006@m.cs.uiuc.edu>
Date: 27 Apr 91 11:32:12 GMT
References: <jsmoller.4965@jsmami.UUCP>
Organization: University of Illinois, Dept. of Comp. Sci., Urbana, IL
Lines: 56

jsmoller@jsmami.UUCP (Jesper Steen Moller) writes:

>In article <1991Apr24.031607.28073@netcom.COM> rodent@netcom.COM (Ben Discoe) writes:
>> 
>> It seems I did a poor job of stating my original question about using the
>> Layers library directly.
>>   1. I have 6 years experience, telling me to "get the RKM" hurts.
>>   2. I CANNOT use a intuition window, because there is NO WAY to keep
>> intuition from drawing into a window when you activate it with the mouse.
>Oh yes there is!
>> Yes, even if you specify a borderless, title-less window with no gadgets,
>> Intuition will still paint a bar at the top of the window when you click
>> in it.

In my project I open a window with the following NewWindow structure:

struct NewWindow SetupWindowOrig = {
  225,50,
  SETUP_X, SETUP_Y,
  BLUE,BLUE,
  VANILLAKEY|MOUSEBUTTONS|GADGETUP|GADGETDOWN|INTUITICKS, /* IDCMP flags
first */
  BORDERLESS|SUPER_BITMAP|RMBTRAP, /* Window Flags */
  &SetupGadgets, /* was &MyGadget */
  NULL,
  NULL, /* text */
  NULL,
  NULL,
  0, 0,
  NULL, NULL,
  CUSTOMSCREEN
  };

I have a 3 bitplane custom screen open already.  Then I do this:
(bm is a bitmap structure, of course)

  InitBitMap (&bm, 3, SETUP_X, SETUP_Y);
  for (i = 0; i < 3; i++) {
    if (! (bm.Planes[i] = (PLANEPTR) AllocRaster (SETUP_X, SETUP_Y))) {
      FreeupRaster(&bm);
      shutdown ("Can't allocate bitplanes!");
    }
  }
/* just a little iff loader into the bitmap here */
  dsplay_win ("SetupWindow.iff", &bm, SETUP_X, SETUP_Y);
  SetupWindowOrig.BitMap = &bm;

Then I open my window:
  if ((SetupWindow = (struct Window *) OpenWindow (&SetupWindowOrig)) ==
      NULL)
    shutdown ("Can't open setup window");


I never have a problem with Intuition drawing unwanted things into my
Window.
-Mike