9 external cloexec
: Unix.file_descr
-> unit = "ml_cloexec";;
10 external glx
: int -> unit = "ml_glx";;
11 external glxsync
: unit -> unit = "ml_glxsync";;
12 external swapb
: unit -> unit = "ml_swapb";;
13 external hasdata
: Unix.file_descr
-> bool = "ml_hasdata";;
14 external toutf8
: int -> string = "ml_keysymtoutf8";;
16 let dolog fmt
= Format.kprintf prerr_endline fmt
;;
17 let vlog fmt
= Format.kprintf ignore fmt
;;
22 method reshape _ _
= ()
23 method mouse _ _ _ _ _
= ()
24 method motion _ _
= ()
25 method pmotion _ _
= ()
35 method reshape
: int -> int -> unit
36 method mouse
: int -> bool -> int -> int -> int -> unit
37 method motion
: int -> int -> unit
38 method pmotion
: int -> int -> unit
39 method key
: int -> int -> unit
40 method enter
: int -> int -> unit
48 ; mutable keymap
: int array array
49 ; fifo
: (string -> unit) Queue.t
51 ; mutable protoatom
: int
52 ; mutable deleatom
: int
53 ; mutable idbase
: int
54 ; mutable fullscreen
: (int -> unit)
55 ; mutable setwmname
: (string -> unit)
56 ; mutable stringatom
: int
58 ; mutable sock
: Unix.file_descr
64 ; mutable curcurs
: cursor
68 | Fs
of (int * int * int * int)
75 ; fifo
= Queue.create
()
80 ; fullscreen
= (fun _
-> ())
81 ; setwmname
= (fun _
-> ())
90 ; curcurs
= CURSOR_INHERIT
94 let w8 s pos i
= String.set s pos
(Char.chr
(i
land 0xff));;
98 w8 s
(pos
+1) (i
lsr 8);
103 w16 s
(pos
+2) (i
lsr 16);
107 let rb pos1
= Char.code
(String.get s
(pos
+ pos1
)) in
108 (rb 0) lor ((rb 1) lsl 8)
113 i - ((i land 0x8000) lsl 1);
116 let r8 s pos
= Char.code
(String.get s pos
);;
119 let rb pos1
= Char.code
(String.get s
(pos
+ pos1
)) in
120 let l = (rb 0) lor ((rb 1) lsl 8)
121 and u
= (rb 2) lor ((rb 3) lsl 8) in
125 let error fmt
= Printf.kprintf failwith fmt
;;
128 let s = String.create n
in
130 let m = Unix.read sock
s pos n
in
135 ignore
(Unix.select
[sock
] [] [] 0.01);
136 loop (pos
+ m) (n
- m)
143 let sendstr1 s pos len sock
=
144 vlog "%d => %S" state.seq
s;
145 state.seq
<- state.seq
+ 1;
146 let n = Unix.send sock
s pos len
[] in
148 then error "send %d returned %d" len
n;
151 let updkmap sock resp
=
152 let syms = r8 resp
1 in
153 let len = r32 resp
4 in
156 then readstr sock
(4*len)
159 let m = len / syms in
160 state.keymap
<- Array.make_matrix
161 (state.maxk
- state.mink
) syms 0xffffff;
162 let rec loop i = if i = m then () else
164 let rec loop2 k l = if l = syms then () else
165 let v = r32 data k in
166 state.keymap
.(i).(l) <- v;
175 let sendwithrep sock
s f
=
176 Queue.push f
state.fifo
;
177 sendstr1 s 0 (String.length
s) sock
;
181 let b = Buffer.create
16 in
182 List.iter
(Buffer.add_string
b) ss
;
183 let bl = Buffer.length
b in
184 let pl = bl land 3 in
188 Buffer.add_substring
b pad 0 (4 - pl);
193 let padcat s1 s2
= padcatl [s1
; s2
];;
195 let internreq name onlyifexists
=
196 let s = "\016\000\000\000\000\000\000\000" in
197 let s = padcat s name
in
198 w8 s 1 (if onlyifexists
then 1 else 0);
199 w16 s 2 (String.length
s / 4);
200 w16 s 4 (String.length name
);
204 let sendintern sock
s onlyifexists f
=
205 let s = internreq s onlyifexists
in
206 sendwithrep sock
s f
;
209 let createwindowreq wid parent x y w h bw mask
=
210 let s = "\001\000\009\000wwwwppppxxyywwhhbwccvvvvmmmmeeee" in
220 w32 s 28 0x800; (* eventmask *)
225 let getgeometryreq wid
=
226 let s = "\014u\002\000dddd" in
232 let s = "\008u\002\000wwww" in
237 let getkeymapreq first count
=
238 let s = "\101u\002\000fcuu" in
244 let changepropreq wid prop typ format props
=
245 let s = "\018\000llwwwwppppttttfuuuLLLL" in
246 let s = padcat s props
in
247 w16 s 2 (String.length
s / 4);
252 let ful = String.length props
/ (match format
with
256 | n -> error "no idea what %d means" n)
262 let openfontreq fid name
=
263 let s = "\045ullffffnnuu" in
264 let s = padcat s name
in
265 w16 s 2 (String.length
s / 4);
267 w16 s 8 (String.length name
);
271 let createglyphcursorreq fid cid cindex
=
272 let s = "\094u\008\000ccccffffffffssmmrrggbbRRGGBB" in
287 let mapwindowreq wid
=
288 let s = "\008u\002\000wwww" in
293 let changewindowattributesreq wid mask attrs
=
294 let s = "\002ullwwwwmmmm" in
295 let s = padcat s attrs
in
296 w16 s 2 (String.length
s / 4);
302 let configurewindowreq wid mask values
=
303 let s = "\012ullwwwwmmuu" in
304 let s = padcat s values
in
305 w16 s 2 (String.length
s / 4);
317 let clientmessage format seq wid typ
data =
318 let s = "\033fsswwwwtttt" in
319 let s = padcat s data in
327 let sendeventreq propagate destwid mask
data =
328 let s = "\025p\011\000wwwwmmmm" in
329 let s = padcat s data in
336 let getkeysym code mask
=
337 let index = (mask
land 1) lxor ((mask
land 2) lsr 1) in
338 let keysym = state.keymap
.(code
-state.mink
).(index) in
339 if index = 1 && keysym = 0
340 then state.keymap
.(code
-state.mink
).(0)
344 let rec readresp sock
=
345 let resp = readstr sock
32 in
346 let opcode = r8 resp 0 in
347 match opcode land lnot
0x80 with
352 and resid
= r32 resp 4
355 error "code=%d serial=%d resid=%#x min=%d maj=%d\n%S"
356 code serial resid min maj
resp;
358 | 1 -> (* response *)
359 let rep = Queue.pop
state.fifo
in
362 | 2 -> (* key press *)
363 if Array.length
state.keymap
> 0
365 let code = r8 resp 1 in
366 let mask = r16 resp 28 in
367 let keysym = getkeysym code mask in
368 vlog "keysym = %x %c" keysym (Char.unsafe_chr
keysym);
369 state.t#key
keysym mask;
371 | 3 -> (* key release *)
372 if Array.length
state.keymap
> 0
374 let code = r8 resp 1 in
375 let mask = r16 resp 28 in
376 let keysym = getkeysym code mask in
377 vlog "release keysym = %x %c mask %#x"
378 keysym (Char.unsafe_chr
keysym) mask
380 | 4 -> (* buttonpress *)
384 and m = r16 resp 28 in
385 state.t#mouse
n true x y
m;
388 | 5 -> (* buttonrelease *)
392 and m = r16 resp 28 in
393 state.t#mouse
n false x y
m;
394 vlog "release %d %d %d" n x y
397 let x = r16s resp 24 in
398 let y = r16s resp 26 in
399 let m = r16 resp 28 in
401 then state.t#pmotion
x y
402 else state.t#motion
x y;
403 vlog "move %dx%d => %d" x y m
407 and y = r16s resp 26 in
409 vlog "enter %d %d" x y
414 | 18 -> vlog "unmap";
419 | 12 -> (* exposure *)
423 | 15 -> (* visibility *)
424 let vis = r8 resp 8 in
425 if vis != 2 then state.t#expose
;
426 vlog "visibility %d" vis;
428 | 34 -> (* mapping *)
429 state.keymap
<- [||];
430 let s = getkeymapreq state.mink
(state.maxk
-state.mink
-1) in
431 sendwithrep sock
s (updkmap sock
);
433 | 33 -> (* clientmessage *)
434 let atom = r32 resp 8 in
435 if atom = state.protoatom
437 let atom = r32 resp 12 in
438 if atom = state.deleatom
443 | 21 -> (* reparent *)
446 | 22 -> (* configure *)
450 and h
= r16 resp 22 in
451 vlog "configure cur [%d %d %d %d] conf [%d %d %d %d]"
452 state.x state.y state.w
state.h
456 if w
!= state.w
|| h
!= state.h
467 dolog "event %d %S" n resp
473 if hasdata sock
then loop ();
478 let sendstr s ?
(pos
=0) ?
(len=String.length
s) sock
=
479 sendstr1 s pos
len sock
;
480 if hasdata sock
then readresp sock
;
484 let b = Buffer.create
16 in
485 String.iter
(fun c
->
486 Buffer.add_string
b (Printf.sprintf
"%02x" (Char.code c
))) s;
493 let s = "wwuuhhuu" in
496 let s = configurewindowreq state.idbase
0x000c s in
497 sendstr s state.sock
;
498 else state.fullscreen
state.idbase
501 let setup sock screennum w h
=
502 let s = readstr sock
2 in
503 let n = String.length
s in
505 then error "failed to read X connection setup response n=%d" n;
508 let reasonlen = r8 s 1 in
509 let s = readstr sock
6 in
514 let data = readstr sock
len in
515 let reason = String.sub
data 0 reasonlen in
516 error "X connection failed maj=%d min=%d reason=%S"
519 | '
\002'
-> failwith
"X connection setup failed: authentication required";
522 let s = readstr sock
38 in
526 and idbase
= r32 s 10
527 and idmask
= r32 s 14
529 and screens
= r8 s 26
530 and formats
= r8 s 27
532 and maxkk
= r8 s 33 in
533 let data = readstr sock
(4*add
-32) in
534 let vendor = String.sub
data 0 vlen
in
535 let pos = ((vlen
+3) land lnot
3) + formats
*8 in
537 if screennum
>= screens
538 then error "invalid screen %d, max %d" screennum
(screens
-1);
542 let rec findscreen n pos = if n = screennum
then pos else
544 let ndepths = r8 s (pos+39) in
545 let rec skipdepths n pos = if n = ndepths then pos else
547 let nvisiuals = r16 s (pos+2) in
548 pos + nvisiuals*24 + 8
552 skipdepths n (pos+40)
558 let root = r32 data pos in
559 let rootw = r16 data (pos+20)
560 and rooth
= r16 data (pos+22) in
563 state.idbase
<- idbase
;
564 vlog "vendor = %S, maj=%d min=%d" vendor maj min
;
565 vlog "screens = %d formats = %d" screens formats
;
566 vlog "minkk = %d maxkk = %d" minkk maxkk
;
567 vlog "idbase = %#x idmask = %#x" idbase idmask
;
568 vlog "root=%#x %dx%d" root rootw rooth
;
571 + 0x00000001 (* KeyPress *)
572 (* + 0x00000002 *) (* KeyRelease *)
573 + 0x00000004 (* ButtonPress *)
574 + 0x00000008 (* ButtonRelease *)
575 + 0x00000010 (* EnterWindow *)
576 + 0x00000020 (* LeaveWindow *)
577 + 0x00000040 (* PointerMotion *)
578 (* + 0x00000080 *) (* PointerMotionHint *)
579 (* + 0x00000100 *) (* Button1Motion *)
580 (* + 0x00000200 *) (* Button2Motion *)
581 (* + 0x00000400 *) (* Button3Motion *)
582 (* + 0x00000800 *) (* Button4Motion *)
583 (* + 0x00001000 *) (* Button5Motion *)
584 + 0x00002000 (* ButtonMotion *)
585 (* + 0x00004000 *) (* KeymapState *)
586 + 0x00008000 (* Exposure *)
587 + 0x00010000 (* VisibilityChange *)
588 + 0x00020000 (* StructureNotify *)
589 (* + 0x00040000 *) (* ResizeRedirect *)
590 (* + 0x00080000 *) (* SubstructureNotify *)
591 (* + 0x00100000 *) (* SubstructureRedirect *)
592 (* + 0x00200000 *) (* FocusChange *)
593 (* + 0x00400000 *) (* PropertyChange *)
594 (* + 0x00800000 *) (* ColormapChange *)
595 (* + 0x01000000 *) (* OwnerGrabButton *)
597 let wid = state.idbase
in
598 let s = createwindowreq wid root 0 0 w h
0 mask in
601 let s = mapreq wid in
604 let s = getkeymapreq state.mink
(state.maxk
-state.mink
) in
605 sendwithrep sock
s (updkmap sock
);
607 sendintern sock
"WM_PROTOCOLS" false (fun resp ->
608 state.protoatom
<- r32 resp 8;
609 sendintern sock
"WM_DELETE_WINDOW" false (fun resp ->
610 state.deleatom
<- r32 resp 8;
611 let s = s32 state.deleatom
in
612 let s = changepropreq wid state.protoatom
4 32 s in
617 sendintern sock
"WM_CLASS" false (fun resp ->
618 let atom = r32 resp 8 in
619 let llpp = "llpp\000llpp\000" in
620 let s = changepropreq wid atom 31 8 llpp in
624 let s = openfontreq (wid+1) "cursor" in
627 Array.iteri
(fun i glyphindex
->
628 let s = createglyphcursorreq (wid+1) (wid+2+i) glyphindex
in
630 ) [|34;48;50;58;128;152|];
632 sendintern sock
"UTF8_STRING" true (fun resp ->
633 let atom = r32 resp 8 in
635 then state.stringatom
<- atom;
639 let s = changepropreq state.idbase
39 state.stringatom
8 s in
640 sendstr s state.sock
;
642 state.setwmname <- setwmname;
643 sendintern sock
"_NET_WM_NAME" true (fun resp ->
644 let atom = r32 resp 8 in
646 then state.setwmname <- (fun s ->
648 let s = changepropreq state.idbase
atom state.stringatom
8 s in
649 sendstr s state.sock
;
653 state.fullscreen
<- (fun wid ->
654 let s = "xxuuyyuuwwuuhhuu" in
661 let s = configurewindowreq wid 0x000f s in
662 sendstr s state.sock
;
663 state.fs
<- Fs
(state.x, state.y, state.w
, state.h
);
670 let s = configurewindowreq wid 0x000f s in
671 sendstr s state.sock
;
675 sendintern sock
"_NET_WM_STATE" true (fun resp ->
676 let nwmsatom = r32 resp 8 in
679 sendintern sock
"_NET_WM_STATE_FULLSCREEN" true (fun resp ->
680 let fsatom = r32 resp 8 in
685 let data = String.make
20 '
\000'
in
688 | NoFs
-> Fs
(-1, -1, -1, -1), 1
694 let cm = clientmessage 32 0 wid nwmsatom data in
695 let s = sendeventreq 0 root 0x180000 cm in
701 let s = getgeometryreq wid in
702 let completed = ref false in
703 sendwithrep sock
s (fun resp ->
706 and h
= r16 resp 18 in
711 let now = Unix.gettimeofday
in
712 let deadline = now () +. 2.0 in
713 let rec readtillcompletion () =
714 let r, _
, _
= Unix.select
[sock
] [] [] (deadline -. now ()) in
716 | [] -> readtillcompletion ()
720 then readtillcompletion ()
722 readtillcompletion ();
725 error "unknown conection setup response %d" (Char.code c
)
728 let getauth haddr dnum
=
730 if haddr = "localhost" || String.length
haddr = 0
732 try Unix.gethostname
()
734 dolog "failed to resolve `%S': %s" haddr (Printexc.to_string exn
);
739 let input_string ic
len =
740 let s = String.create
len in
741 really_input ic
s 0 len;
745 let rb pos = Char.code (String.get
s pos) in
746 (rb 1) lor ((rb 0) lsl 8)
750 let s = input_string ic
2 in
754 let family = input_string ic
2 in
757 let num = int_of_string
nums in
761 vlog "family %S addr %S(%S) num %d(%d) name %S data %S"
762 family addr haddr num dnum
name data;
763 if addr = haddr && num = dnum
768 try find () with _
-> "", ""
774 try Sys.getenv
"XAUTHORITY"
776 try Filename.concat
(Sys.getenv
"HOME") ".Xauthority"
781 if String.length
path = 0
783 else Some
(open_in_bin
path)
785 if Sys.file_exists
path
787 dolog "failed to open X authority file `%S' : %s"
788 path (Printexc.to_string exn
);
793 | Some ic
-> readauth ic
798 try Sys.getenv
"DISPLAY"
800 error "Could not get DISPLAY evironment variable: %s"
801 (Printexc.to_string exn
)
803 let colonpos = String.index d '
:'
in
804 let host = String.sub
d 0 colonpos in
805 let dispnum, screennum
=
807 let dotpos = String.index_from
d (colonpos + 1) '
.'
in
808 let disp = String.sub
d (colonpos + 1) (dotpos - colonpos - 1) in
809 let screen = String.sub
d (dotpos + 1) (String.length
d - dotpos - 1) in
810 int_of_string
disp, int_of_string
screen
812 let disp = String.sub
d (colonpos + 1) (String.length
d - colonpos - 1) in
813 int_of_string
disp, 0
815 let aname, adata
= getauth host dispnum in
817 if osx
|| String.length
host = 0 || host = "unix"
821 then Unix.ADDR_UNIX
d
822 else Unix.ADDR_UNIX
("/tmp/.X11-unix/X" ^ string_of_int
dispnum)
824 let fd = Unix.socket
Unix.PF_UNIX
Unix.SOCK_STREAM
0 in
825 Unix.connect
fd addr;
828 let h = Unix.gethostbyname
host in
829 let addr = h.Unix.h_addr_list
.(0) in
830 let port = 6000 + dispnum in
831 let fd = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
832 Unix.connect
fd (Unix.ADDR_INET
(addr, port));
836 let s = "luMMmmnndduu" in
837 let s = padcat s aname in
838 let s = padcat s adata
in
841 w16 s 6 (String.length
aname);
842 w16 s 8 (String.length adata
);
843 sendstr1 s 0 (String.length
s) fd;
845 setup fd screennum
w h;
847 fd, state.w, state.h;
854 let setcursor cursor
=
855 if cursor
!= state.curcurs
859 | CURSOR_INHERIT
-> -1
862 | CURSOR_CROSSHAIR
-> 0
865 let s = s32 (if n = -1 then 0 else state.idbase
+2+n) in
866 let s = changewindowattributesreq state.idbase
(*cursor*)0x4000 s in
867 sendstr s state.sock
;
868 state.curcurs
<- cursor
;
872 state.fullscreen state.idbase
;
875 let metamask = 0x40;;
880 let withalt mask = mask land altmask != 0;;
881 let withctrl mask = mask land ctrlmask != 0;;
882 let withshift mask = mask land shiftmask != 0;;
883 let withmeta mask = mask land metamask != 0;;
884 let withnone mask = mask land (altmask + ctrlmask + shiftmask + metamask) = 0;;
887 let t = Hashtbl.create
20
888 and f
= Hashtbl.create
20 in
890 List.iter
(fun s -> Hashtbl.add t s k) (n::nl
);
894 let s = String.create
1 in
896 add s [] (Char.code c
)
899 let an = Char.code a
and bn
= Char.code b in
900 for i = an to bn
do addc (Char.chr
i) done;
905 String.iter
addc "`~!@#$%^&*()-_=+\\|[{]};:,./<>?";
906 for i = 0 to 29 do add ("f" ^ string_of_int
(i+1)) [] (0xffbe + i) done;
908 add "ret" ["return"; "enter"] 0xff0d;
910 add "left" [] 0xff51;
911 add "right" [] 0xff53;
912 add "home" [] 0xff50;
914 add "ins" ["insert"] 0xff63;
915 add "del" ["delete"] 0xffff;
916 add "esc" ["escape"] 0xff1b;
917 add "pgup" ["pageup"] 0xff55;
918 add "pgdown" ["pagedown"] 0xff56;
919 add "backspace" [] 0xff08;
921 add "down" [] 0xff54;
926 try Hashtbl.find xlatf
k
927 with Not_found
-> Printf.sprintf
"%#x" k;
931 try Hashtbl.find xlatt name
933 if String.length
name = 1
934 then Char.code name.[0]
935 else int_of_string
name;