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Date: Fri, 19 Nov 2004 06:23:53 -0800 (PST) From: Eric Wing Subject: OS X Mouse inversion problem fix (again) Here's yet another patch for the OS X mouse inversion problem. This should fix the problem once and for all. I know I've said this before, but *This time for sure!* :) If you recall, my last patch broke the non-OpenGL windowed code and caused the inversion to occur there instead. Max submitted a patch that partially reverted the changes back which included the os version hack which is currently the most recent CVS. Aaron Sullivan identified and reported to the mailing list the other day, that the last partial regression of the code broke OS X 10.2. Looking over the results, I'm thinking that I was slightly more successful than I thought at unifying the code. I think I was trying to unify the code base for OpenGL and non-OpenGL windowed modes for all versions of the OS. It looks like I failed at at unifying the OpenGL and non-OpenGL code, but I did succeed at unifying the OS versions. Thus, we no longer need the hack for the OS version checks. The partial regression still included an OS check which is what broke things for < 10.3. Attached is the patch for SDL_QuartzWM.m. It basically is a half-line change that removes one of the two checks that decides if the mouse coordinates need to be inverted, i.e: if (system_version >= 0x1030 && (SDL_VideoSurface->flags & SDL_OPENGL) ) becomes this: if(SDL_VideoSurface->flags & SDL_OPENGL) With Aaron's outstanding help, we have collectively tested: windowed OpenGL windowed non-OpenGL fullscreen OpenGL fullscreen non-OpenGL under OS X 10.2 (Jaguar), 10.3 (Panther), and 10.4 (Tiger). We don't have access to 10.0 or 10.1, but since the original problem didn't materialize until 10.3, I'm hopeful that testing 10.2 is sufficient. And now that the code is uniform, I'm also hoping we'll be safe moving forward to deal with future revisions of the OS with this issue.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 21 Nov 2004 00:57:47 +0000
parents 74a8f672f2f8
children
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==============================================================================
Using the Simple DirectMedia Layer with EPOC/SymbianOS 6.0
==============================================================================

==============================================================================
I.  Building the Simple DirectMedia Layer libraries:

  You can get Symbian SDK from: 
    http://www.symbian.com.
 
  First create "Epoc" directory under SDL main directory and unpack 
  EpocBuildFiles.zip in it.
   
  To build the librarys goto "epoc" directory and type:
    bldmake bldfiles
    abld makefile vc6 (for creating Microsoft Visual C++ makefiles)
    abld build wins udeb (building for wins emulator)
    abld build armi urel (building for real device)

==============================================================================
II. Building the Simple DirectMedia Layer programs:

  Building SDL test programs is easy once you have built the libraries:
    abld test build wins udeb
    abld test build armi urel

  Supported real screen resolutions
    320 x 200 x  8 bit
    320 x 200 x 12 bit
    640 x 200 x  8 bit
    640 x 200 x 12 bit
  Supported "emulated" screen resolutions 
    640 x 400 x  8 bit
    640 x 400 x 12 bit
    640 x 480 x  8 bit
    640 x 480 x 12 bit
  "Emulated" resolutions are implemented by by shrinking the screen vertically 
  i.e. only every second scanline is drawn. This is mainly ment to be used for 
  testing quick ports of programs. Using faked resolutions is a waste of memory 
  and cpu power!

==============================================================================
III. Running test programs

  Copy executable to the device and run it from the File manager.   The Esc 
  key quits demo programs. In Crystal, Exe programs do not appear in task list 
  nor in Extras :-(. Test programs are tested in Nokia 9210 Communicator.

  Special keys used in SDL:
    The Caps lock key enables or disables the virtual cursor. 
    Function keys are mapped as follows: 
    F1=chr+q, F2=chr+w,..., F8=chr+i, 
    F9=chr+a,..., F12=chr+d.

==============================================================================
IV.  Enjoy! :)

  If you have a project you'd like me to know about, or want to ask questions,
  go ahead and join the SDL developer's mailing list by sending e-mail to:

	sdl-request@libsdl.org

  and put "subscribe" into the subject of the message. Or alternatively you
  can use the web interface:

	http://www.libsdl.org/mailman/listinfo/sdl

  You can find more info about Epoc version of SDL from Hannu Viitala's 
  homepage
    http://www.mbnet.fi/~haviital
  
==============================================================================