nuclear@19: /* SimplyGL window system module for Cocoa */
nuclear@13: /* mac-framework: -framework Cocoa */
nuclear@13: 
nuclear@13: #include "config.h"
nuclear@13: 
nuclear@13: #ifdef USE_WSYS_MODULE_COCOA
nuclear@13: 
nuclear@15: #import <Cocoa/Cocoa.h>
nuclear@13: #include "sgl.h"
nuclear@15: #include "wsys.h"
nuclear@13: 
nuclear@15: @interface OpenGLView : NSOpenGLView
nuclear@13: {
nuclear@15: 	int foo;
nuclear@13: }
nuclear@13: 
nuclear@17: -(id) initWithFrame: (NSRect) frame pixelFormat: (NSOpenGLPixelFormat*) pf;
nuclear@13: 
nuclear@13: -(void) drawRect: (NSRect) rect;
nuclear@13: -(void) reshape;
nuclear@15: /*-(void) keyDown: (NSEvent*) ev;
nuclear@13: -(void) keyUp: (NSEvent*) ev;
nuclear@13: -(void) mouseDown: (NSEvent*) ev;
nuclear@13: -(void) mouseUp: (NSEvent*) ev;
nuclear@13: -(void) rightMouseDown: (NSEvent*) ev;
nuclear@13: -(void) rightMouseUp: (NSEvent*) ev;
nuclear@13: -(void) otherMouseDown: (NSEvent*) ev;
nuclear@13: -(void) otherMouseUp: (NSEvent*) ev;
nuclear@13: -(void) mouseDragged: (NSEvent*) ev;
nuclear@13: -(void) rightMouseDragged: (NSEvent*) ev;
nuclear@15: -(void) otherMouseDragged: (NSEvent*) ev;*/
nuclear@13: 
nuclear@13: -(BOOL) acceptsFirstResponder;
nuclear@13: @end
nuclear@13: 
nuclear@17: 
nuclear@17: @interface AppDelegate : NSObject
nuclear@16: {
nuclear@17: 	int foo;
nuclear@16: }
nuclear@17: -(BOOL) applicationShouldTerminate: (NSApplication*) app;
nuclear@16: -(BOOL) applicationShouldTerminateAfterLastWindowClosed: (NSApplication*)app;
nuclear@16: @end
nuclear@16: 
nuclear@17: 
nuclear@13: struct window {
nuclear@13: 	int wid;
nuclear@15: 	int width, height;
nuclear@13: 	NSWindow *win;
nuclear@15: 	OpenGLView *view;
nuclear@15: 	NSOpenGLContext *ctx;
nuclear@15: 	int needs_redisplay;
nuclear@13: 	struct window *next;
nuclear@13: };
nuclear@13: 
nuclear@13: 
nuclear@13: static int init(void);
nuclear@13: static void shutdown(void);
nuclear@13: 
nuclear@13: /* video mode switching */
nuclear@13: static int set_vidmode(int xsz, int ysz);
nuclear@13: static int get_vidmode(int *xsz, int *ysz);
nuclear@13: 
nuclear@13: /* create/destroy windows */
nuclear@13: static int create_window(int xsz, int ysz, unsigned int flags);
nuclear@13: static void close_window(int wid);
nuclear@13: 
nuclear@13: /* window management */
nuclear@13: static int set_active(int wid);
nuclear@13: static struct window *find_window(int wid);
nuclear@13: static int activate_window(struct window *win);
nuclear@13: static int set_title(const char *str);
nuclear@13: static void redisplay(void);
nuclear@13: static void swap_buffers(void);
nuclear@13: 
nuclear@13: static int get_modifiers(void);
nuclear@13: 
nuclear@13: /* event handling and friends */
nuclear@13: static void set_event(int idx, int enable);
nuclear@13: static int process_events(void);
nuclear@17: 
nuclear@17: static void fill_attr(NSOpenGLPixelFormatAttribute *attr, unsigned int flags);
nuclear@13: 
nuclear@13: 
nuclear@13: static struct wsys_module ws = {
nuclear@13: 	"cocoa", 0,
nuclear@13: 	init,
nuclear@13: 	shutdown,
nuclear@13: 	set_vidmode,
nuclear@13: 	get_vidmode,
nuclear@13: 	create_window,
nuclear@13: 	close_window,
nuclear@13: 	set_active,
nuclear@13: 	set_title,
nuclear@13: 	redisplay,
nuclear@13: 	swap_buffers,
nuclear@13: 	get_modifiers,
nuclear@13: 	set_event,
nuclear@13: 	process_events,
nuclear@13: 	0
nuclear@13: };
nuclear@13: 
nuclear@13: static struct window *winlist, *active_win;
nuclear@17: static int quit_main_loop;
nuclear@13: 
nuclear@13: 
nuclear@13: void sgl_register_cocoa(void)
nuclear@13: {
nuclear@15: 	sgl_register_module(&ws);
nuclear@13: }
nuclear@13: 
nuclear@13: 
nuclear@15: @implementation OpenGLView
nuclear@16: 
nuclear@17: -(id) initWithFrame: (NSRect) frame pixelFormat: (NSOpenGLPixelFormat*) pf
nuclear@16: {
nuclear@17: 	self = [super initWithFrame: frame pixelFormat: pf];
nuclear@17: 	return self;
nuclear@16: }
nuclear@13: 
nuclear@13: -(void) drawRect: (NSRect) rect
nuclear@13: {
nuclear@13: 	sgl_display_callback_t func = sgl_get_callback(SGL_DISPLAY);
nuclear@13: 	if(func) {
nuclear@13: 		func();
nuclear@13: 	}
nuclear@13: }
nuclear@13: 
nuclear@13: -(void) reshape
nuclear@13: {
nuclear@15: 	NSSize sz;
nuclear@15: 	sgl_reshape_callback_t func;
nuclear@15: 
nuclear@15: 	sz = [self bounds].size;
nuclear@15: 
nuclear@15: 	if((func = sgl_get_callback(SGL_RESHAPE)) && (sz.width != active_win->width ||
nuclear@15: 				sz.height != active_win->height)) {
nuclear@15: 		active_win->width = sz.width;
nuclear@15: 		active_win->height = sz.height;
nuclear@15: 		func(sz.width, sz.height);
nuclear@13: 	}
nuclear@13: }
nuclear@13: 
nuclear@13: -(BOOL) acceptsFirstResponder
nuclear@13: {
nuclear@13: 	return YES;
nuclear@13: }
nuclear@13: @end
nuclear@13: 
nuclear@17: @implementation AppDelegate
nuclear@17: -(BOOL) applicationShouldTerminate: (NSApplication*) app
nuclear@17: {
nuclear@17: 	return NSTerminateNow;
nuclear@17: }
nuclear@17: 
nuclear@17: -(BOOL) applicationShouldTerminateAfterLastWindowClosed: (NSApplication*) app
nuclear@16: {
nuclear@16: 	return YES;
nuclear@16: }
nuclear@17: 
nuclear@17: -(void) applicationWillTerminate: (NSNotification*) notification
nuclear@17: {
nuclear@17: 	printf("applicationWillTerminate\n");
nuclear@17: }
nuclear@17: 
nuclear@17: -(BOOL) windowShouldClose: (id) win
nuclear@17: {
nuclear@17: 	return YES;
nuclear@17: }
nuclear@17: 
nuclear@17: -(void) windowWillClose: (NSNotification*) notification
nuclear@17: {
nuclear@17: 	[NSApp terminate: nil];
nuclear@17: }
nuclear@16: @end
nuclear@16: 
nuclear@13: static int init(void)
nuclear@13: {
nuclear@17: 	AppDelegate *delegate;
nuclear@16: 
nuclear@16: 	[NSApplication sharedApplication];
nuclear@17: 
nuclear@17: 	delegate = [[AppDelegate alloc] init];
nuclear@16: 	[NSApp setDelegate: delegate];
nuclear@15: 	return 0;
nuclear@13: }
nuclear@13: 
nuclear@13: static void shutdown(void)
nuclear@13: {
nuclear@13: 	while(winlist) {
nuclear@13: 		struct window *win = winlist;
nuclear@13: 		winlist = winlist->next;
nuclear@13: 
nuclear@15: 		/* TODO destroy window */
nuclear@13: 		free(win);
nuclear@13: 	}
nuclear@16: 
nuclear@17: 	quit_main_loop = 1;
nuclear@13: }
nuclear@13: 
nuclear@13: 
nuclear@13: /* video mode switching */
nuclear@13: static int set_vidmode(int xsz, int ysz)
nuclear@13: {
nuclear@13: 	return 0;	/* TODO */
nuclear@13: }
nuclear@13: 
nuclear@13: static int get_vidmode(int *xsz, int *ysz)
nuclear@13: {
nuclear@13: 	return 0;	/* TODO */
nuclear@13: }
nuclear@13: 
nuclear@13: 
nuclear@13: /* create/destroy windows */
nuclear@13: static int create_window(int xsz, int ysz, unsigned int flags)
nuclear@13: {
nuclear@17: 	NSAutoreleasePool *pool;
nuclear@13: 	NSWindow *nswin;
nuclear@13: 	NSRect rect;
nuclear@15: 	OpenGLView *view;
nuclear@17: 	NSOpenGLPixelFormat *pf;
nuclear@17: 	NSOpenGLPixelFormatAttribute attr[32];
nuclear@13: 	unsigned int style;
nuclear@15: 	struct window *win;
nuclear@13: 	static int next_id = 1;
nuclear@13: 
nuclear@13: 	if(!(win = malloc(sizeof *win))) {
nuclear@13: 		return -1;
nuclear@13: 	}
nuclear@13: 
nuclear@17: 	pool = [[NSAutoreleasePool alloc] init];
nuclear@17: 
nuclear@17: 	/* create the view */
nuclear@17: 	fill_attr(attr, flags);
nuclear@17: 	pf = [[[NSOpenGLPixelFormat alloc] initWithAttributes: attr] autorelease];
nuclear@17: 	view = [[OpenGLView alloc] initWithFrame: rect pixelFormat: pf];
nuclear@17: 
nuclear@13: 	/* create the window and attach the OpenGL view */
nuclear@15: 	rect.origin.x = rect.origin.y = 0;
nuclear@15: 	rect.size.width = xsz;
nuclear@15: 	rect.size.height = ysz;
nuclear@13: 
nuclear@15: 	style = NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask |
nuclear@15: 		NSResizableWindowMask;
nuclear@13: 
nuclear@13: 	nswin = [[NSWindow alloc] initWithContentRect: rect styleMask: style
nuclear@13: 		backing: NSBackingStoreBuffered defer: YES];
nuclear@17: 
nuclear@16: 	[nswin setTitle: @"OpenGL/Cocoa"];
nuclear@17: 	[nswin setReleasedWhenClosed: YES];
nuclear@13: 	[nswin setContentView: view];
nuclear@16: 	[nswin makeFirstResponder: view];
nuclear@16: 	[nswin makeKeyAndOrderFront: nil];
nuclear@15: 	[view release];
nuclear@13: 
nuclear@13: 	win->win = nswin;
nuclear@13: 	win->view = view;
nuclear@15: 	win->ctx = [view openGLContext];
nuclear@13: 	win->wid = next_id++;
nuclear@15: 	win->needs_redisplay = 1;
nuclear@13: 	win->next = winlist;
nuclear@13: 	winlist = win;
nuclear@13: 
nuclear@15: 	if(!active_win) {
nuclear@15: 		activate_window(win);
nuclear@15: 	}
nuclear@17: 
nuclear@17: 	[pool drain];
nuclear@13: 	return win->wid;
nuclear@13: }
nuclear@13: 
nuclear@13: static void close_window(int wid)
nuclear@13: {
nuclear@13: 	struct window *win, *prev, dummy;
nuclear@13: 	sgl_close_callback_t close_func;
nuclear@13: 
nuclear@13: 	dummy.next = win = winlist;
nuclear@13: 	prev = &dummy;
nuclear@13: 
nuclear@13: 	while(win) {
nuclear@13: 		if(win->wid == wid) {
nuclear@13: 			if(!(close_func = sgl_get_callback(SGL_CLOSE))) {
nuclear@13: 				close_func(wid);
nuclear@13: 			}
nuclear@13: 			[win->win close];
nuclear@13: 
nuclear@13: 			if(active_win == win) {
nuclear@13: 				activate_window(winlist);
nuclear@13: 			}
nuclear@13: 
nuclear@13: 			prev->next = win->next;
nuclear@13: 			free(win);
nuclear@13: 			return;
nuclear@13: 		}
nuclear@13: 		prev = win;
nuclear@13: 		win = win->next;
nuclear@13: 	}
nuclear@13: }
nuclear@13: 
nuclear@13: 
nuclear@13: /* window management */
nuclear@13: static int set_active(int wid)
nuclear@13: {
nuclear@15: 	struct window *win = find_window(wid);
nuclear@15: 	return activate_window(win);
nuclear@13: }
nuclear@13: 
nuclear@13: static struct window *find_window(int wid)
nuclear@13: {
nuclear@13: 	struct window *win = winlist;
nuclear@13: 
nuclear@13: 	while(win) {
nuclear@15: 		if(win->wid == wid) {
nuclear@13: 			return win;
nuclear@13: 		}
nuclear@13: 		win = win->next;
nuclear@13: 	}
nuclear@13: 	return 0;
nuclear@13: }
nuclear@13: 
nuclear@13: static int activate_window(struct window *win)
nuclear@13: {
nuclear@13: 	if(!win) {
nuclear@13: 		return -1;
nuclear@13: 	}
nuclear@13: 	[win->ctx makeCurrentContext];
nuclear@13: 	active_win = win;
nuclear@13: 	return 0;
nuclear@13: }
nuclear@13: 
nuclear@13: static int set_title(const char *str)
nuclear@13: {
nuclear@13: 	NSString *nsstr;
nuclear@13: 
nuclear@13: 	nsstr = [[NSString alloc] initWithCString: str encoding: NSASCIIStringEncoding];
nuclear@13: 	[active_win->win setTitle: nsstr];
nuclear@13: 	[nsstr release];
nuclear@15: 	return 0;
nuclear@13: }
nuclear@13: 
nuclear@13: static void redisplay(void)
nuclear@13: {
nuclear@15: 	active_win->needs_redisplay = 1;
nuclear@13: }
nuclear@13: 
nuclear@13: static void swap_buffers(void)
nuclear@13: {
nuclear@15: 	[active_win->ctx flushBuffer];
nuclear@13: }
nuclear@13: 
nuclear@13: 
nuclear@13: static int get_modifiers(void)
nuclear@13: {
nuclear@13: 	return 0;	/* TODO */
nuclear@13: }
nuclear@13: 
nuclear@13: 
nuclear@13: /* event handling and friends */
nuclear@13: static void set_event(int idx, int enable)
nuclear@13: {
nuclear@13: }
nuclear@13: 
nuclear@13: static int process_events(void)
nuclear@13: {
nuclear@13: 	NSAutoreleasePool *pool;
nuclear@17: 	NSRunLoop *runloop;
nuclear@17: 	NSDate *block, *nonblock, *limdate;
nuclear@17: 
nuclear@14: 	sgl_idle_callback_t idle;
nuclear@15: 	sgl_display_callback_t disp;
nuclear@15: 	struct window *win;
nuclear@15: 	int res = 0;
nuclear@15: 
nuclear@15: 	pool = [[NSAutoreleasePool alloc] init];
nuclear@16: 
nuclear@16: 	idle = sgl_get_callback(SGL_IDLE);
nuclear@15: 	disp = sgl_get_callback(SGL_DISPLAY);
nuclear@13: 
nuclear@15: 	win = winlist;
nuclear@15: 	while(win) {
nuclear@15: 		if(win->needs_redisplay && disp) {
nuclear@15: 			activate_window(win);
nuclear@15: 			disp();
nuclear@15: 			win->needs_redisplay = 0;
nuclear@15: 		}
nuclear@15: 		win = win->next;
nuclear@15: 	}
nuclear@15: 
nuclear@17: 	runloop = [[NSRunLoop currentRunLoop] retain];
nuclear@17: 	block = [runloop limitDateForMode: NSDefaultRunLoopMode];
nuclear@17: 	nonblock = [[NSDate distantPast] retain];
nuclear@16: 	limdate = idle ? nonblock : block;
nuclear@15: 
nuclear@17: 	while(!quit_main_loop) {
nuclear@16: 		NSEvent *ev = [NSApp nextEventMatchingMask: NSAnyEventMask untilDate: limdate
nuclear@16: 			inMode: NSDefaultRunLoopMode dequeue: YES];
nuclear@16: 		if(!ev) break;
nuclear@16: 
nuclear@16: 		[NSApp sendEvent: ev];
nuclear@16: 		if(limdate == block) {
nuclear@16: 			limdate = nonblock;
nuclear@13: 		}
nuclear@15: 	}
nuclear@15: 
nuclear@15: 	if(idle) {
nuclear@15: 		idle();
nuclear@15: 	}
nuclear@15: 
nuclear@17: 	[runloop release];
nuclear@15: 	[pool drain];
nuclear@17: 	return quit_main_loop ? -1 : 0;
nuclear@13: }
nuclear@13: 
nuclear@17: static void fill_attr(NSOpenGLPixelFormatAttribute *attr, unsigned int flags)
nuclear@13: {
nuclear@17: 	int i = 0;
nuclear@14: 
nuclear@17: 	/* this is very important. makes pixelformat selection behave like GLX
nuclear@17: 	 * where any non-zero value will denote "choose highest possible". This
nuclear@17: 	 * is pretty much what we intend, as the user doesn't actually pass any
nuclear@17: 	 * of these numbers.
nuclear@17: 	 */
nuclear@17: 	attr[i++] = NSOpenGLPFAMaximumPolicy;
nuclear@17: 
nuclear@17: 	attr[i++] = NSOpenGLPFAColorSize;
nuclear@17: 	attr[i++] = 1;
nuclear@17: 
nuclear@17: 	if(flags & SGL_DOUBLE) {
nuclear@17: 		attr[i++] = NSOpenGLPFADoubleBuffer;
nuclear@15: 	}
nuclear@17: 	if(flags & SGL_DEPTH) {
nuclear@17: 		attr[i++] = NSOpenGLPFADepthSize;
nuclear@17: 		attr[i++] = 1;
nuclear@17: 	}
nuclear@17: 	if(flags & SGL_STENCIL) {
nuclear@17: 		attr[i++] = NSOpenGLPFAStencilSize;
nuclear@17: 		attr[i++] = 8;	/* max-policy has no effect on stencil selection */
nuclear@17: 	}
nuclear@17: 	if(flags & SGL_STEREO) {
nuclear@17: 		attr[i++] = NSOpenGLPFAStereo;
nuclear@17: 	}
nuclear@17: 	if(flags & SGL_MULTISAMPLE) {
nuclear@17: 		attr[i++] = NSOpenGLPFASampleBuffers;
nuclear@17: 		attr[i++] = 1;
nuclear@17: 		attr[i++] = NSOpenGLPFASamples;
nuclear@17: 		attr[i++] = 4;	/* TODO don't hardcode, query */
nuclear@17: 	}
nuclear@17: 	attr[i++] = 0;
nuclear@13: }
nuclear@13: 
nuclear@20: #else
nuclear@20: int sgl_wsys_cocoa_silence_the_fucking_empty_file_warnings;
nuclear@13: #endif	/* USE_WSYS_MODULE_COCOA */