starting to commit gridflow 0.8.0 ...

if you know how to use "cvs import" please mail me and i'll use it for 0.8.1

svn path=/trunk/; revision=3646

1 files changed, 655 insertions, 0 deletions

diff --git a/externals/gridflow/format/x11.c b/externals/gridflow/format/x11.c
new file mode 100644
index 00000000..62041f06
--- /dev/null
+++ b/externals/gridflow/format/x11.c
@@ -0,0 +1,655 @@
+/*
+	$Id: x11.c,v 1.1 2005-10-04 02:02:15 matju Exp $
+
+	GridFlow
+	Copyright (c) 2001,2002,2003 by Mathieu Bouchard
+
+	This program is free software; you can redistribute it and/or
+	modify it under the terms of the GNU General Public License
+	as published by the Free Software Foundation; either version 2
+	of the License, or (at your option) any later version.
+
+	See file ../COPYING for further informations on licensing terms.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include "../base/grid.h.fcs"
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/time.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/StringDefs.h>
+
+/* X11 Error Handler type */
+typedef int (*XEH)(Display *, XErrorEvent *);
+
+#ifdef HAVE_X11_SHARED_MEMORY
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <X11/extensions/XShm.h>
+#endif
+
+\class FormatX11 < Format
+struct FormatX11 : Format {
+	template <class T> void frame_by_type (T bogus);
+/* at the Display/Screen level */
+	Display *display; /* connection to xserver */
+	Visual *visual;   /* screen properties */
+	Window root_window;
+	Colormap colormap; /* for 256-color mode */
+	long black,white; /* color numbers in default colormap */
+	short depth;
+	bool use_shm;	   /* should use shared memory? */
+	bool use_stripes;  /* use alternate conversion in 256-color mode */
+	
+/* at the Window level */
+	int autodraw;        /* how much to send to the display at once */
+	Window window;       /* X11 window number */
+	Window parent;       /* X11 window number of the parent */
+	GC imagegc;          /* X11 graphics context (like java.awt.Graphics) */
+	XImage *ximage;      /* X11 image descriptor */
+	char *name;          /* window name (for use by window manager) */
+	Pt<uint8> image;     /* the real data (that XImage binds to) */
+	bool is_owner;
+	int pos_x, pos_y;
+
+	P<BitPacking> bit_packing;
+	P<Dim> dim;
+	bool lock_size;
+	bool override_redirect;
+
+#ifdef HAVE_X11_SHARED_MEMORY
+	XShmSegmentInfo *shm_info; /* to share memory with X11/Unix */
+#endif
+
+	Atom wmProtocolsAtom;
+	Atom wmDeleteAtom;
+
+	FormatX11 () : use_stripes(false), 
+	autodraw(1), window(0), ximage(0), name(0), image(Pt<uint8>()), is_owner(true),
+	dim(0), lock_size(false), override_redirect(false)
+#ifdef HAVE_X11_SHARED_MEMORY
+		, shm_info(0)
+#endif
+	{}
+
+	void show_section(int x, int y, int sx, int sy);
+	void set_wm_hints (int sx, int sy);
+	void dealloc_image ();
+	bool alloc_image (int sx, int sy);
+	void resize_window (int sx, int sy);
+	void open_display(const char *disp_string);
+	void report_pointer(int y, int x, int state);
+	void prepare_colormap();
+	Window FormatX11::search_window_tree (Window xid, Atom key, const char *value, int level=0);
+
+	\decl void initialize (...);
+	\decl void frame ();
+	\decl void close ();
+	\decl void call ();
+	\decl void _0_out_size (int sy, int sx);
+	\decl void _0_draw ();
+	\decl void _0_autodraw (int autodraw);
+	\decl void _0_setcursor (int shape);
+	\decl void _0_hidecursor ();
+	\decl void _0_set_geometry (int y, int x, int sy, int sx);
+	\decl void _0_fall_thru (int flag);
+	\grin 0 int
+};
+
+/* ---------------------------------------------------------------- */
+
+void FormatX11::show_section(int x, int y, int sx, int sy) {
+	if (y>dim->get(0)||x>dim->get(1)) return;
+	if (y+sy>dim->get(0)) sy=dim->get(0)-y;
+	if (x+sx>dim->get(1)) sx=dim->get(1)-x;
+#ifdef HAVE_X11_SHARED_MEMORY
+	if (use_shm) {
+		XSync(display,False);
+		XShmPutImage(display,window,imagegc,ximage,x,y,x,y,sx,sy,False);
+		/* should completion events be waited for? looks like a bug */
+	} else
+#endif
+		XPutImage(display,window,imagegc,ximage,x,y,x,y,sx,sy);
+	XFlush(display);
+}
+
+/* window manager hints, defines the window as non-resizable */
+void FormatX11::set_wm_hints (int sx, int sy) {
+	if (!is_owner) return;
+	XWMHints wmhints;
+	XTextProperty window_name, icon_name;
+	XSizeHints hints;
+	// enable recommended, maximum and minimum size
+	hints.flags=PSize|PMaxSize|PMinSize;
+	// set those
+	hints.min_width  = hints.max_width  = hints.width  = sx;
+	hints.min_height = hints.max_height = hints.height = sy;
+
+	wmhints.input = True;
+	wmhints.flags = InputHint;
+	XStringListToTextProperty((char **)&name, 1, &window_name);
+	XStringListToTextProperty((char **)&name, 1, &icon_name);
+	XSetWMProperties(display, window,
+		&window_name, &icon_name, NULL, 0, &hints, &wmhints, NULL);
+}
+
+void FormatX11::report_pointer(int y, int x, int state) {
+	Ruby argv[5] = {
+		INT2NUM(0), SYM(position),
+		INT2NUM(y), INT2NUM(x), INT2NUM(state) };
+	send_out(COUNT(argv),argv);
+}
+
+\def void call() {
+	XEvent e;
+	for (;;) {
+		int xpending = XEventsQueued(display, QueuedAfterFlush);
+		if (!xpending) break;
+		XNextEvent(display,&e);
+		switch (e.type) {
+		case Expose:{
+			XExposeEvent *ex = (XExposeEvent *)&e;
+			if (rb_ivar_get(rself,SI(@mode)) == SYM(out)) {
+				show_section(ex->x,ex->y,ex->width,ex->height);
+			}
+		}break;
+		case ButtonPress:{
+			XButtonEvent *eb = (XButtonEvent *)&e;
+			eb->state |= 128<<eb->button;
+			report_pointer(eb->y,eb->x,eb->state);
+		}break;
+		case ButtonRelease:{
+			XButtonEvent *eb = (XButtonEvent *)&e;
+			eb->state &= ~(128<<eb->button);
+			report_pointer(eb->y,eb->x,eb->state);
+		}break;
+		case KeyPress:
+		case KeyRelease:{
+			XKeyEvent *ek = (XKeyEvent *)&e;
+			//XLookupString(ek, buf, 63, 0, 0);
+			char *kss = XKeysymToString(XLookupKeysym(ek, 0));
+			char buf[64];
+			if (!kss) return; /* unknown keys ignored */
+			if (isdigit(*kss)) sprintf(buf,"D%s",kss); else strcpy(buf,kss);
+			Ruby argv[6] = {
+				INT2NUM(0), e.type==KeyPress ? SYM(keypress) : SYM(keyrelease),
+				INT2NUM(ek->y), INT2NUM(ek->x), INT2NUM(ek->state),
+				rb_funcall(rb_str_new2(buf),SI(intern),0) };
+			send_out(COUNT(argv),argv);
+			//XFree(kss);
+		}break;
+		case MotionNotify:{
+			XMotionEvent *em = (XMotionEvent *)&e;
+			report_pointer(em->y,em->x,em->state);
+		}break;
+		case DestroyNotify:{
+			gfpost("This window is being closed, so this handler will close too!");
+			rb_funcall(rself,SI(close),0);
+			return;
+		}break;
+		case ConfigureNotify:break; // as if we cared
+		case ClientMessage:{
+			// tnx to vektor&walken
+			/*
+			if (e.xclient.message_type==wmProtocolsAtom
+			&& e.xclient.format==32
+			&& (Atom)(e.xclient.data.l[0])==wmDeleteAtom) {
+				gfpost("This window is being closed, so this handler will close too!");
+				rb_funcall(rself,SI(close),0);
+				return;
+			}
+			*/
+		}break;
+		}
+	}
+	IEVAL(rself,"@clock.delay 20");
+}
+
+\def void frame () {
+	XGetSubImage(display, window,
+		0, 0, dim->get(1), dim->get(0),
+		(unsigned)-1, ZPixmap, ximage, 0, 0);
+	GridOutlet out(this,0,dim,NumberTypeE_find(rb_ivar_get(rself,SI(@cast))));
+	int sy=dim->get(0), sx=dim->get(1);
+	int bs=dim->prod(1);
+	STACK_ARRAY(uint8,b2,bs);
+	for(int y=0; y<sy; y++) {
+		Pt<uint8> b1 = Pt<uint8>(image,ximage->bytes_per_line*dim->get(0))
+			+ ximage->bytes_per_line * y;
+		bit_packing->unpack(sx,b1,b2);
+		out.send(bs,b2);
+	}
+}
+
+/* loathe Xlib's error handlers */
+static FormatX11 *current_x11;
+static int FormatX11_error_handler (Display *d, XErrorEvent *xee) {
+	gfpost("X11 reports Error: display=0x%08x",(int)d);
+	gfpost("serial=0x%08x error=0x%08x request=0x%08lx minor=0x%08x",
+		xee->serial, xee->error_code, xee->request_code, xee->minor_code);
+	current_x11->use_shm = false;
+	return 42; /* it seems that the return value is ignored. */
+}
+
+void FormatX11::dealloc_image () {
+	if (!ximage) return;
+	if (use_shm) {
+	#ifdef HAVE_X11_SHARED_MEMORY
+		shmdt(ximage->data);
+		XShmDetach(display,shm_info);
+		if (shm_info) {delete shm_info; shm_info=0;}
+		//ximage->data = new char[1]; // bogus
+		//ximage->data = 0;
+		//XDestroyImage(ximage);
+		XFree(ximage);
+		ximage = 0;
+		image = Pt<uint8>();
+	#endif	
+	} else {
+		//XDestroyImage(ximage);
+		XFree(ximage);
+		ximage = 0;
+		image = Pt<uint8>();
+	}
+}
+
+bool FormatX11::alloc_image (int sx, int sy) {
+	dim = new Dim(sy, sx, 3);
+	dealloc_image();
+	if (sx==0 || sy==0) return false;
+#ifdef HAVE_X11_SHARED_MEMORY
+	if (use_shm) {
+		shm_info = new XShmSegmentInfo;
+		ximage = XShmCreateImage(display,visual,depth,ZPixmap,0,shm_info,sx,sy);
+		if (!ximage) {
+			gfpost("shm got disabled (1), retrying...");
+			return alloc_image(sx,sy);}
+		shm_info->shmid = shmget(IPC_PRIVATE,
+			ximage->bytes_per_line*ximage->height, IPC_CREAT|0777);
+		if(shm_info->shmid < 0)
+			RAISE("ERROR: shmget failed: %s",strerror(errno));
+		ximage->data = shm_info->shmaddr =
+			(char *)shmat(shm_info->shmid,0,0);
+		image = Pt<uint8>((uint8 *)ximage->data,
+			ximage->bytes_per_line*sy);
+		shm_info->readOnly = False;
+		current_x11 = this;
+		//XSetErrorHandler(FormatX11_error_handler);
+		if (!XShmAttach(display, shm_info)) RAISE("ERROR: XShmAttach: big problem");
+		XSync(display,0); // make sure the server picks it up
+		//XSetErrorHandler(0);
+		/* yes, this can be done now. should cause auto-cleanup. */
+		shmctl(shm_info->shmid,IPC_RMID,0);
+		if (!use_shm) {
+			gfpost("shm got disabled (2), retrying...");
+			return alloc_image(sx,sy);}
+	} else
+#endif
+	ximage = XCreateImage(display,visual,depth,ZPixmap,0,0,sx,sy,8,0);
+	if (!ximage) RAISE("can't create image"); 
+	image = ARRAY_NEW(uint8,ximage->bytes_per_line*sy);
+	ximage->data = (int8 *)image;
+	int status = XInitImage(ximage);
+	if (status!=1) gfpost("XInitImage returned: %d", status);
+	return true;
+}
+
+void FormatX11::resize_window (int sx, int sy) {
+	if (sy<16) sy=16; if (sy>4096) RAISE("height too big");
+	if (sx<16) sx=16; if (sx>4096) RAISE("width too big");
+	alloc_image(sx,sy);
+	if (name) delete name;
+	name = new char[64];
+	sprintf(name,"GridFlow (%d,%d,3)",sy,sx);
+	if (window) {
+		if (is_owner && !lock_size) {
+			set_wm_hints(sx,sy);
+			XResizeWindow(display,window,sx,sy);
+		}
+	} else {
+		XSetWindowAttributes xswa;
+		xswa.do_not_propagate_mask = 0; //?
+		xswa.override_redirect = override_redirect; //#!@#$
+		window = XCreateWindow(display,
+			parent, pos_x, pos_y, sx, sy, 0,
+			CopyFromParent, InputOutput, CopyFromParent,
+			CWOverrideRedirect|CWDontPropagate, &xswa);
+		if(!window) RAISE("can't create window");
+		set_wm_hints(sx,sy);
+		if (is_owner) {
+			// fall_thru 0
+			XSelectInput(display, window,
+			  ExposureMask | StructureNotifyMask | PointerMotionMask |
+			  ButtonPressMask | ButtonReleaseMask | ButtonMotionMask |
+			  KeyPressMask | KeyReleaseMask);
+			XMapRaised(display, window);
+		} else {
+			// fall_thru 1
+			XSelectInput(display, window,
+			  ExposureMask | StructureNotifyMask);
+		}
+		imagegc = XCreateGC(display, window, 0, NULL);
+		if (visual->c_class == PseudoColor) prepare_colormap(); 
+	}
+	XSync(display,0);
+}
+
+GRID_INLET(FormatX11,0) {
+	if (in->dim->n != 3)
+		RAISE("expecting 3 dimensions: rows,columns,channels");
+	if (in->dim->get(2)!=3 && in->dim->get(2)!=4)
+		RAISE("expecting 3 or 4 channels: red,green,blue,ignored (got %d)",in->dim->get(2));
+	int sxc = in->dim->prod(1);
+	int sx = in->dim->get(1), osx = dim->get(1);
+	int sy = in->dim->get(0), osy = dim->get(0);
+	in->set_factor(sxc);
+	if (sx!=osx || sy!=osy) resize_window(sx,sy);
+	if (in->dim->get(2)!=bit_packing->size) {
+		bit_packing->mask[3]=0;
+		bit_packing = new BitPacking(bit_packing->endian,
+		  bit_packing->bytes, in->dim->get(2), bit_packing->mask);
+	}
+} GRID_FLOW {
+	int bypl = ximage->bytes_per_line;
+	int sxc = in->dim->prod(1);
+	int sx = in->dim->get(1);
+	int y = in->dex/sxc;
+	int oy = y;
+	for (; n>0; y++, data+=sxc, n-=sxc) {
+		// convert line
+		if (use_stripes) {
+			int o=y*bypl;
+			for (int x=0, i=0, k=y%3; x<sx; x++, i+=3, k=(k+1)%3) {
+				image[o+x] = (k<<6) | data[i+k]>>2;
+			}
+		} else {
+			bit_packing->pack(sx, data, image+y*bypl);
+		}
+	}
+	if (autodraw==2) show_section(0,oy,sx,y-oy);
+} GRID_FINISH {
+	if (autodraw==1) show_section(0,0,in->dim->get(1),in->dim->get(0));
+} GRID_END
+
+\def void close () {
+	if (!this) RAISE("stupid error: trying to close display NULL. =)");
+	bit_packing=0;
+	IEVAL(rself,"@clock.unset");
+	if (is_owner) XDestroyWindow(display,window);
+	XSync(display,0);
+	dealloc_image();
+	XCloseDisplay(display);
+	display=0;
+	rb_call_super(argc,argv);
+}
+
+\def void _0_out_size (int sy, int sx) { resize_window(sx,sy); }
+\def void _0_draw () { show_section(0,0,dim->get(1),dim->get(0)); }
+
+\def void _0_autodraw (int autodraw) {
+	if (autodraw<0 || autodraw>2)
+		RAISE("autodraw=%d is out of range",autodraw);
+	this->autodraw = autodraw;
+}
+
+\def void _0_setcursor (int shape) {
+	shape = 2*(shape&63);
+	Cursor c = XCreateFontCursor(display,shape);
+	XDefineCursor(display,window,c);
+	XFlush(display);
+}
+
+\def void _0_hidecursor () {
+	Font font = XLoadFont(display,"fixed");
+	XColor color; /* bogus */
+	Cursor c = XCreateGlyphCursor(display,font,font,' ',' ',&color,&color);
+	XDefineCursor(display,window,c);
+	XFlush(display);
+}
+
+void FormatX11::prepare_colormap() {
+	Colormap colormap = XCreateColormap(display,window,visual,AllocAll);
+	XColor colors[256];
+	if (use_stripes) {
+		for (int i=0; i<192; i++) {
+			int k=(i&63)*0xffff/63;
+			colors[i].pixel = i;
+			colors[i].red   = (i>>6)==0 ? k : 0;
+			colors[i].green = (i>>6)==1 ? k : 0;
+			colors[i].blue  = (i>>6)==2 ? k : 0;
+			colors[i].flags = DoRed | DoGreen | DoBlue;
+		}
+		XStoreColors(display,colormap,colors,192);
+	} else {	
+		for (int i=0; i<256; i++) {
+			colors[i].pixel = i;
+			colors[i].red   = ((i>>0)&7)*0xffff/7;
+			colors[i].green = ((i>>3)&7)*0xffff/7;
+			colors[i].blue  = ((i>>6)&3)*0xffff/3;
+			colors[i].flags = DoRed | DoGreen | DoBlue;
+		}
+		XStoreColors(display,colormap,colors,256);
+	}
+	XSetWindowColormap(display,window,colormap);
+}
+
+void FormatX11::open_display(const char *disp_string) {
+	int screen_num;
+	Screen *screen;
+
+	// Open an X11 connection
+	display = XOpenDisplay(disp_string);
+	if(!display) RAISE("ERROR: opening X11 display: %s",strerror(errno));
+
+	// btw don't expect too much from Xlib error handling.
+	// Xlib, you are so free of the ravages of intelligence...
+	XSetErrorHandler(FormatX11_error_handler);
+
+	screen   = DefaultScreenOfDisplay(display);
+	screen_num = DefaultScreen(display);
+	visual   = DefaultVisual(display, screen_num);
+	white    = XWhitePixel(display,screen_num);
+	black    = XBlackPixel(display,screen_num);
+	root_window = DefaultRootWindow(display);
+	depth    = DefaultDepthOfScreen(screen);
+	colormap = 0;
+
+	switch(visual->c_class) {
+	case TrueColor: case DirectColor: /* without colormap */
+	break;
+	case PseudoColor: /* with colormap */
+		if (depth!=8)
+			RAISE("ERROR: with colormap, only supported depth is 8 (got %d)",
+				depth);
+	break;
+	default: RAISE("ERROR: visual type not supported (got %d)",
+		visual->c_class);
+	}
+
+#ifdef HAVE_X11_SHARED_MEMORY
+	use_shm = !! XShmQueryExtension(display);
+#else
+	use_shm = false;
+#endif
+}
+
+Window FormatX11::search_window_tree (Window xid, Atom key, const char *value, int level) {
+	if (level>2) return 0xDeadBeef;
+	Window root_r, parent_r;
+	Window *children_r;
+	unsigned int nchildren_r;
+	XQueryTree(display,xid,&root_r,&parent_r,&children_r,&nchildren_r);
+	Window target = 0xDeadBeef;
+	for (int i=0; i<(int)nchildren_r; i++) {
+		Atom actual_type_r;
+		int actual_format_r;
+		unsigned long nitems_r, bytes_after_r;
+		unsigned char *prop_r;
+		XGetWindowProperty(display,children_r[i],key,0,666,0,AnyPropertyType,
+		&actual_type_r,&actual_format_r,&nitems_r,&bytes_after_r,&prop_r);
+		uint32 value_l = strlen(value);
+		bool match = prop_r && nitems_r>=value_l &&
+			strncmp((char *)prop_r+nitems_r-value_l,value,value_l)==0;
+		XFree(prop_r);
+		if (match) {target=children_r[i]; break;}
+		target = search_window_tree(children_r[i],key,value,level+1);
+		if (target != 0xDeadBeef) break;
+	}
+	if (children_r) XFree(children_r);
+	return target;
+}
+
+\def void _0_set_geometry (int y, int x, int sy, int sx) {
+	pos_x = x;
+	pos_y = y;
+	XMoveWindow(display,window,x,y);
+	resize_window(sx,sy);
+	XFlush(display);
+}
+
+\def void _0_fall_thru (int flag) {
+	if (flag) {
+		gfpost("falling through!");
+		XSelectInput(display, window,
+			ExposureMask | StructureNotifyMask);
+	} else {
+		gfpost("NOT falling through!");
+		XSelectInput(display, window,
+			ExposureMask | StructureNotifyMask |
+			PointerMotionMask |
+			ButtonPressMask | ButtonReleaseMask | ButtonMotionMask);
+	}
+	XFlush(display);
+}
+
+\def void initialize (...) {
+	int sy=240, sx=320; // defaults
+	rb_call_super(argc,argv);
+	argv++, argc--;
+	VALUE domain = argc<1 ? SYM(here) : argv[0];
+	int i;
+	if (domain==SYM(here)) {
+		open_display(0);
+		i=1;
+	} else if (domain==SYM(local)) {
+		if (argc<2) RAISE("open x11 local: not enough args");
+		char host[256];
+		int dispnum = NUM2INT(argv[1]);
+		sprintf(host,":%d",dispnum);
+		open_display(host);
+		i=2;
+	} else if (domain==SYM(remote)) {
+		if (argc<3) RAISE("open x11 remote: not enough args");
+		char host[256];
+		strcpy(host,rb_sym_name(argv[1]));
+		int dispnum = NUM2INT(argv[2]);
+		sprintf(host+strlen(host),":%d",dispnum);
+		open_display(host);
+		i=3;
+	} else if (domain==SYM(display)) {
+		if (argc<2) RAISE("open x11 display: not enough args");
+		char host[256];
+		strcpy(host,rb_sym_name(argv[1]));
+		for (int k=0; host[k]; k++) if (host[k]=='%') host[k]==':';
+		gfpost("mode `display', DISPLAY=`%s'",host);
+		open_display(host);
+		i=2;
+	} else {
+		RAISE("x11 destination syntax error");
+	}
+
+	for(;i<argc;i++) {
+		Ruby a=argv[i];
+		if (a==SYM(override_redirect)) {
+			override_redirect = true;
+		} else if (a==SYM(use_stripes)){
+			use_stripes = true;
+		} else {
+			break;
+		}
+	}
+
+	pos_x=pos_y=0;
+	parent = root_window;
+	if (i>=argc) {
+	} else {
+		VALUE winspec = argv[i];
+		if (winspec==SYM(root)) {
+			window = root_window;
+			is_owner = false;
+		} else if (winspec==SYM(embed)) {
+			Ruby title_s = rb_funcall(argv[i+1],SI(to_s),0);
+			char *title = strdup(rb_str_ptr(title_s));
+			sy = sx = pos_y = pos_x = 0;
+			parent = search_window_tree(root_window,XInternAtom(display,"WM_NAME",0),title);
+			free(title);
+			if (parent == 0xDeadBeef) RAISE("Window not found.");
+		} else if (winspec==SYM(embed_by_id)) {
+			const char *winspec2 = rb_sym_name(argv[i+1]);
+			if (strncmp(winspec2,"0x",2)==0) {
+				parent = strtol(winspec2+2,0,16);
+			} else {
+				parent = atoi(winspec2);
+			}
+		} else {
+			if (TYPE(winspec)==T_SYMBOL) {
+				const char *winspec2 = rb_sym_name(winspec);
+				if (strncmp(winspec2,"0x",2)==0) {
+					window = strtol(winspec2+2,0,16);
+				} else {
+					window = atoi(winspec2); // huh?
+				}
+			} else {
+				window = INT(winspec);
+			}
+			is_owner = false;
+			sy = sx = pos_y = pos_x = 0;
+		}
+	}
+
+	// "resize" also takes care of creation
+	resize_window(sx,sy);
+
+	if (is_owner) {
+		wmProtocolsAtom = XInternAtom(display, "WM_PROTOCOLS", False);
+		wmDeleteAtom    = XInternAtom(display, "WM_DELETE_WINDOW", False);
+		XSetWMProtocols(display,window,&wmDeleteAtom,1);
+	}
+	
+	Visual *v = visual;
+	int disp_is_le = !ImageByteOrder(display);
+	int bpp = ximage->bits_per_pixel;
+	switch(visual->c_class) {
+	case TrueColor: case DirectColor: {
+		uint32 masks[3] = { v->red_mask, v->green_mask, v->blue_mask };
+		bit_packing = new BitPacking(disp_is_le, bpp/8, 3, masks);
+	} break;
+	case PseudoColor: {
+		uint32 masks[3] = { 0x07, 0x38, 0xC0 };
+		bit_packing = new BitPacking(disp_is_le, bpp/8, 3, masks);
+	} break;
+	}
+	IEVAL(rself,"@clock = Clock.new self; @clock.delay 0");
+}
+
+\classinfo {
+	IEVAL(rself,"install '#io:x11',1,1;@mode=6;@comment='X Window System Version 11.5'");
+}
+\end class FormatX11
+void startup_x11 () {
+	\startall
+}