Re: question to backend/gui guru...
Hi, On 12.09.2006, at 11:29, [EMAIL PROTECTED] wrote: Some of the classes i might use : (picked up from www.gnustep.org/resources/documentation/Developer/Gui/Reference/) NSColor* NSCursor NSEvent NSFileWrapper NSFont*, NSGlyph* NSImage* NSGraphicsContext NSOpenGL* NSResponder NSScreen NSSound At least NSResponder and NSEvent will be very useful. If you use SDL and its event handling then you don't need those classes as well as NSGraphicsContext , NSOpenGL* and friends. Also, how would you want to use NSFont* and NSGlyph* in an OpenGL context? I assume it is a lot easier to use SDL for all this stuff rather than tweaking gui to work w/ SDL. You are still able to use base, of course. I've done that myself. -Phil -- Philippe C.D. Robert http://www.nice.ch/~phip ___ Gnustep-dev mailing list Gnustep-dev@gnu.org http://lists.gnu.org/mailman/listinfo/gnustep-dev
Re: question to backend/gui guru...
Selon Philippe C.D. Robert [EMAIL PROTECTED]: What are you actually trying to come up with? And what AppKit classes would you need exactly in your code? SDL already gives you a lot of this functionality you mention. So it might be easier to just use gnustep-base + SDL for what you have in mind? This is straight forward today, when I did it years ago I had to cleanup the SDL source first, removing all the variables called 'id' ;-) -Phil -- Philippe C.D. Robert http://www.nice.ch/~phip Philippe, Some of the classes i might use : (picked up from www.gnustep.org/resources/documentation/Developer/Gui/Reference/) NSColor* NSCursor NSEvent NSFileWrapper NSFont*, NSGlyph* NSImage* NSGraphicsContext NSOpenGL* NSResponder NSScreen NSSound At least NSResponder and NSEvent will be very useful. Yes, I can do all this with SDL. But as i said i prefer reuse what i can and write code that may be easily reused in a full-gnustep apps. The SDL headers are quite clean : - one id in SDL_cdrom.h : i dont need it for the moment and i might wrap it easily - many more in SDL_openGL.h that mainly come from glext.h : i will use the real hearders but no glext (later?) Rgrds Xavier ___ Gnustep-dev mailing list Gnustep-dev@gnu.org http://lists.gnu.org/mailman/listinfo/gnustep-dev
Re: question to backend/gui guru...
I would agree with Adams answer, go for a dummy graphics backend. Perhaps we could even rewrite the back makefile to have gsc usable as such? As I understand it you will need a window, or rather event server based on SDL. Put that into back and perhaps somebody may later add code to make this a full backend. I love to see huge things being build up by people only requiring small parts of it. Fred Adam Fedor schrieb: As long as you don't call [NSApplication sharedApplication] (or, in fact, initialize NSApplication at all), you can use classes in the gui without a backend. But you have to be careful not to use any classes/methods that cause any display or drawing. Also you could create a dummy backend (something like gsc in gnustep-back). That does nothing or does what you want it (see documentation for GSDisplayServer and NSGraphicsContext). On Sep 10, 2006, at 2:09 PM, [EMAIL PROTECTED] wrote: Gregory, Thanks for your answer. I dont want to make a 'gnustep application', but an 'application using gnustep' ;-) Actually i want to make a tiny 3D game in objective C. You may see that as a training (for me) and a test of the efficiency of objective c for that kind of application. SDL is imho a good choice for a game, and gnustep is a good choice for objective C. Basically i need a simple cross-platform multimedia library, with _joystick_support_, fullscreen display, custom resolution... Gnustep cant do that, but can do many other useful things. And I'd like to write some code that might be run/resuse later on a full gnustep system, and then i have to write some NS-compatible classes. In brief I need something like a NSApplication class that does not need any NSWindow object. I could (try to) write it from scratch, but i'd prefer reuse gnustep classes if i can : they are better than anything i could make... TIA Xavier Selon Gregory John Casamento [EMAIL PROTECTED]: Xavier, You've given little information about what you're actually trying to do. Your email details how you would like to solve the issue, but doesn't clearly define what the issue is. Based on the fact that you briefly mention OpenGL, I assume you want to make a GNUstep application which displays OpenGL graphics. GNUstep has an implementation of NSOpenGLView which allows OpenGL to be directly displayed in the view. GNUstep does this by creating an OpenGL window and reparenting it to the view, thus not incurring any overhead. Is there some issue with using this? Later, GJC --Gregory Casamento - Original Message From: [EMAIL PROTECTED] To: gnustep-dev@gnu.org Sent: Sunday, September 10, 2006 11:59:00 AM Subject: question to backend/gui guru... Hello I intend to write a SDL+OpenGL application based on gnustep. I can use gnustep-base without problem, but i'd like to use some parts of gnustep-gui (event management, ...) without any graphic or window class/function. SDL dont provides any graphic function, and I dont want to write à full SDL+OpenGL backend !! I dont want to rewrite gnustep in any way. I only want to compile the classes i need in gnustep-gui. But I understand I would have to write a partial backend, a SDL-server, like win32 or X11 ones (i hope i can do that...) I wonder if it would be easy (or at least feasible) to split/compile gnustep-back and gnustep-gui in two parts : server and system on one side, and graphics and gui on the other side. (and then use only (SDL-)server/system) Any informations about dependances between classes will be welcome ! Its quite obscur for me... :o\ In brief : feasible or not ? thnks in advance ! ___ Gnustep-dev mailing list Gnustep-dev@gnu.org http://lists.gnu.org/mailman/listinfo/gnustep-dev
Re: question to backend/gui guru...
On 11.09.2006, at 20:59, [EMAIL PROTECTED] wrote: I take some time to look inside NSApplication code. This class highly depends on graphic display. It seems to me that it would be easier to write a SDLApplication class with a partial NS-like interface, and then use the only AppKit classes that dont need any display output (not so easy to find :-\ ) And i will follow your advice and create a scaledown SDL backend that will only handle events. I might also need a SDLWindow class (singleton!) to receive window specific events (iconify, expose...), and maybe a SDLOpenGLView class... What are you actually trying to come up with? And what AppKit classes would you need exactly in your code? SDL already gives you a lot of this functionality you mention. So it might be easier to just use gnustep-base + SDL for what you have in mind? This is straight forward today, when I did it years ago I had to cleanup the SDL source first, removing all the variables called 'id' ;-) -Phil -- Philippe C.D. Robert http://www.nice.ch/~phip ___ Gnustep-dev mailing list Gnustep-dev@gnu.org http://lists.gnu.org/mailman/listinfo/gnustep-dev
question to backend/gui guru...
Hello I intend to write a SDL+OpenGL application based on gnustep. I can use gnustep-base without problem, but i'd like to use some parts of gnustep-gui (event management, ...) without any graphic or window class/function. SDL dont provides any graphic function, and I dont want to write à full SDL+OpenGL backend !! I dont want to rewrite gnustep in any way. I only want to compile the classes i need in gnustep-gui. But I understand I would have to write a partial backend, a SDL-server, like win32 or X11 ones (i hope i can do that...) I wonder if it would be easy (or at least feasible) to split/compile gnustep-back and gnustep-gui in two parts : server and system on one side, and graphics and gui on the other side. (and then use only (SDL-)server/system) Any informations about dependances between classes will be welcome ! Its quite obscur for me... :o\ In brief : feasible or not ? thnks in advance ! Xavier ___ Gnustep-dev mailing list Gnustep-dev@gnu.org http://lists.gnu.org/mailman/listinfo/gnustep-dev
Re: question to backend/gui guru...
As long as you don't call [NSApplication sharedApplication] (or, in fact, initialize NSApplication at all), you can use classes in the gui without a backend. But you have to be careful not to use any classes/methods that cause any display or drawing. Also you could create a dummy backend (something like gsc in gnustep-back). That does nothing or does what you want it (see documentation for GSDisplayServer and NSGraphicsContext). On Sep 10, 2006, at 2:09 PM, [EMAIL PROTECTED] wrote: Gregory, Thanks for your answer. I dont want to make a 'gnustep application', but an 'application using gnustep' ;-) Actually i want to make a tiny 3D game in objective C. You may see that as a training (for me) and a test of the efficiency of objective c for that kind of application. SDL is imho a good choice for a game, and gnustep is a good choice for objective C. Basically i need a simple cross-platform multimedia library, with _joystick_support_, fullscreen display, custom resolution... Gnustep cant do that, but can do many other useful things. And I'd like to write some code that might be run/resuse later on a full gnustep system, and then i have to write some NS-compatible classes. In brief I need something like a NSApplication class that does not need any NSWindow object. I could (try to) write it from scratch, but i'd prefer reuse gnustep classes if i can : they are better than anything i could make... TIA Xavier Selon Gregory John Casamento [EMAIL PROTECTED]: Xavier, You've given little information about what you're actually trying to do. Your email details how you would like to solve the issue, but doesn't clearly define what the issue is. Based on the fact that you briefly mention OpenGL, I assume you want to make a GNUstep application which displays OpenGL graphics. GNUstep has an implementation of NSOpenGLView which allows OpenGL to be directly displayed in the view. GNUstep does this by creating an OpenGL window and reparenting it to the view, thus not incurring any overhead. Is there some issue with using this? Later, GJC --Gregory Casamento - Original Message From: [EMAIL PROTECTED] To: gnustep-dev@gnu.org Sent: Sunday, September 10, 2006 11:59:00 AM Subject: question to backend/gui guru... Hello I intend to write a SDL+OpenGL application based on gnustep. I can use gnustep-base without problem, but i'd like to use some parts of gnustep-gui (event management, ...) without any graphic or window class/function. SDL dont provides any graphic function, and I dont want to write à full SDL+OpenGL backend !! I dont want to rewrite gnustep in any way. I only want to compile the classes i need in gnustep-gui. But I understand I would have to write a partial backend, a SDL-server, like win32 or X11 ones (i hope i can do that...) I wonder if it would be easy (or at least feasible) to split/compile gnustep-back and gnustep-gui in two parts : server and system on one side, and graphics and gui on the other side. (and then use only (SDL-)server/system) Any informations about dependances between classes will be welcome ! Its quite obscur for me... :o\ In brief : feasible or not ? thnks in advance ! Xavier ___ Gnustep-dev mailing list Gnustep-dev@gnu.org http://lists.gnu.org/mailman/listinfo/gnustep-dev ___ Gnustep-dev mailing list Gnustep-dev@gnu.org http://lists.gnu.org/mailman/listinfo/gnustep-dev
