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
65 ; mutable capslmask
: int
66 ; mutable numlmask
: int
67 ; mutable levl3mask
: int
68 ; mutable levl5mask
: int
72 | Fs
of (int * int * int * int)
79 ; fifo
= Queue.create
()
84 ; fullscreen
= (fun _
-> ())
85 ; setwmname
= (fun _
-> ())
94 ; curcurs
= CURSOR_INHERIT
102 let w8 s pos i
= String.set s pos
(Char.chr
(i
land 0xff));;
106 w8 s
(pos
+1) (i
lsr 8);
111 w16 s
(pos
+2) (i
lsr 16);
115 let rb pos1
= Char.code
(String.get s
(pos
+ pos1
)) in
116 (rb 0) lor ((rb 1) lsl 8)
121 i - ((i land 0x8000) lsl 1);
124 let r8 s pos
= Char.code
(String.get s pos
);;
127 let rb pos1
= Char.code
(String.get s
(pos
+ pos1
)) in
128 let l = (rb 0) lor ((rb 1) lsl 8)
129 and u
= (rb 2) lor ((rb 3) lsl 8) in
133 let exntos = function
134 | Unix.Unix_error
(e
, s
, a
) -> Printf.sprintf
"%s(%s):%s(%d)"
135 s a
(Unix.error_message e
) (Obj.magic e
)
136 | exn
-> Printexc.to_string exn
;
139 let error fmt
= Printf.kprintf failwith fmt
;;
142 let s = String.create n
in
144 let m = Unix.read sock
s pos n
in
149 ignore
(Unix.select
[sock
] [] [] 0.01);
150 loop (pos
+ m) (n
- m)
157 let sendstr1 s pos len sock
=
158 vlog "%d => %S" state.seq
s;
159 state.seq
<- state.seq
+ 1;
160 let n = Unix.send sock
s pos len
[] in
162 then error "send %d returned %d" len
n;
165 let updkmap sock resp
=
166 let syms = r8 resp
1 in
167 let len = r32 resp
4 in
170 then readstr sock
(4*len)
173 let m = len / syms in
174 state.keymap
<- Array.make_matrix
175 (state.maxk
- state.mink
) syms 0xffffff;
176 let rec loop i = if i = m then () else
178 let rec loop2 k l = if l = syms then () else
179 let v = r32 data k in
180 state.keymap
.(i).(l) <- v;
189 let updmodmap sock resp
=
191 let len = r16 resp
4 in
194 then readstr sock
(len*4)
197 let modmap = Array.make_matrix
8 n 0xffffff in
198 let rec loop l = if l = 8 then () else
200 let rec loop1 m = if m = n then () else
202 let code = r8 data p in
203 modmap.(l).(m) <- code;
206 let ki = code - state.mink
in
209 let a = state.keymap
.(ki) in
210 let rec capsloop i = if i = Array.length
a || i > 3 then () else
213 then state.capslmask
<- 2
221 let ki = code - state.mink
in
224 let a = state.keymap
.(ki) in
225 let rec lloop i = if i = Array.length
a || i > 3 then () else
228 | 0xfe03 -> state.levl3mask
<- 1 lsl l
229 | 0xfe11 -> state.levl5mask
<- 1 lsl l
230 | 0xff7f -> state.numlmask
<- 1 lsl l
244 let sendwithrep sock
s f
=
245 Queue.push f
state.fifo
;
246 sendstr1 s 0 (String.length
s) sock
;
250 let b = Buffer.create
16 in
251 List.iter
(Buffer.add_string
b) ss
;
252 let bl = Buffer.length
b in
253 let pl = bl land 3 in
257 Buffer.add_substring
b pad 0 (4 - pl);
262 let padcat s1 s2
= padcatl [s1
; s2
];;
264 let internreq name onlyifexists
=
265 let s = "\016\000\000\000\000\000\000\000" in
266 let s = padcat s name
in
267 if onlyifexists
then w8 s 1 1;
268 w16 s 2 (String.length
s / 4);
269 w16 s 4 (String.length name
);
273 let sendintern sock
s onlyifexists f
=
274 let s = internreq s onlyifexists
in
275 sendwithrep sock
s f
;
278 let createwindowreq wid parent x y w h bw mask
=
279 let s = "\001\000\009\000wwwwppppxxyywwhhbwccvvvvmmmmeeee" in
289 w32 s 28 0x800; (* eventmask *)
294 let getgeometryreq wid
=
295 let s = "\014u\002\000dddd" in
301 let s = "\008u\002\000wwww" in
306 let getkeymapreq first count
=
307 let s = "\101u\002\000fcuu" in
313 let changepropreq wid prop typ format props
=
314 let s = "\018\000llwwwwppppttttfuuuLLLL" in
315 let s = padcat s props
in
316 w16 s 2 (String.length
s / 4);
321 let ful = String.length props
/ (match format
with
325 | n -> error "no idea what %d means" n)
331 let openfontreq fid name
=
332 let s = "\045ullffffnnuu" in
333 let s = padcat s name
in
334 w16 s 2 (String.length
s / 4);
336 w16 s 8 (String.length name
);
340 let createglyphcursorreq fid cid cindex
=
341 let s = "\094u\008\000ccccffffffffssmmrrggbbRRGGBB" in
356 let changewindowattributesreq wid mask attrs
=
357 let s = "\002ullwwwwmmmm" in
358 let s = padcat s attrs
in
359 w16 s 2 (String.length
s / 4);
365 let configurewindowreq wid mask values
=
366 let s = "\012ullwwwwmmuu" in
367 let s = padcat s values
in
368 w16 s 2 (String.length
s / 4);
380 let clientmessage format seq wid typ
data =
381 let s = "\033fsswwwwtttt" in
382 let s = padcat s data in
390 let sendeventreq propagate destwid mask
data =
391 let s = "\025p\011\000wwwwmmmm" in
392 let s = padcat s data in
399 let getmodifiermappingreq () =
400 let s = "\119u\001\000" in
404 let getkeysym code mask
=
405 let pkpk = state.keymap
.(code-state.mink
).(0) in
406 if (pkpk >= 0xff80 && pkpk <= 0xffbd)
407 || (pkpk >= 0x11000000 && pkpk <= 0x1100ffff)
409 if mask
land state.numlmask
!= 0
411 let keysym = state.keymap
.(code-state.mink
).(1) in
412 if keysym = 0 then pkpk else keysym
416 let shift = (mask
land 1) lxor ((mask
land state.capslmask
) lsr 1) in
418 let l3 = (mask
land state.levl3mask
) != 0 in
419 let l4 = (mask
land state.levl5mask
) != 0 in
421 if l3 then (if l4 then 8 else 4) else (if l4 then 6 else 0)
423 let keysym = state.keymap
.(code-state.mink
).(index) in
424 if index land 1 = 1 && keysym = 0
425 then state.keymap
.(code-state.mink
).(index - 1)
431 let resp = readstr sock
32 in
432 let opcode = r8 resp 0 in
433 match opcode land lnot
0x80 with
438 and resid
= r32 resp 4
441 error "code=%d serial=%d resid=%#x min=%d maj=%d\n%S"
442 code serial resid min maj
resp;
444 | 1 -> (* response *)
445 let rep = Queue.pop
state.fifo
in
448 | 2 -> (* key press *)
449 if Array.length
state.keymap
> 0
451 let code = r8 resp 1 in
452 let mask = r16 resp 28 in
453 let keysym = getkeysym code mask in
454 vlog "keysym = %x %c mask %#x code %d"
455 keysym (Char.unsafe_chr
keysym) mask code;
456 state.t#key
keysym mask;
458 | 3 -> (* key release *)
459 if Array.length
state.keymap
> 0
461 let code = r8 resp 1 in
462 let mask = r16 resp 28 in
463 let keysym = getkeysym code mask in
464 vlog "release keysym = %x %c mask %#x code %#d"
465 keysym (Char.unsafe_chr
keysym) mask code
467 | 4 -> (* buttonpress *)
471 and m = r16 resp 28 in
472 state.t#mouse
n true x y
m;
475 | 5 -> (* buttonrelease *)
479 and m = r16 resp 28 in
480 state.t#mouse
n false x y
m;
481 vlog "release %d %d %d" n x y
484 let x = r16s resp 24 in
485 let y = r16s resp 26 in
486 let m = r16 resp 28 in
488 then state.t#pmotion
x y
489 else state.t#motion
x y;
490 vlog "move %dx%d => %d" x y m
494 and y = r16s resp 26 in
496 vlog "enter %d %d" x y
501 | 18 -> vlog "unmap";
506 | 12 -> (* exposure *)
510 | 15 -> (* visibility *)
511 let vis = r8 resp 8 in
512 if vis != 2 then state.t#expose
;
513 vlog "visibility %d" vis;
515 | 34 -> (* mapping *)
516 state.keymap
<- [||];
517 let s = getkeymapreq state.mink
(state.maxk
-state.mink
-1) in
518 sendwithrep sock
s (updkmap sock
);
519 state.capslmask
<- 0;
520 state.levl3mask
<- 0;
521 state.levl5mask
<- 0;
523 let s = getmodifiermappingreq () in
524 sendwithrep sock
s (updmodmap sock
);
527 | 33 -> (* clientmessage *)
528 let atom = r32 resp 8 in
529 if atom = state.protoatom
531 let atom = r32 resp 12 in
532 if atom = state.deleatom
537 | 21 -> (* reparent *)
540 | 22 -> (* configure *)
544 and h
= r16 resp 22 in
545 vlog "configure cur [%d %d %d %d] conf [%d %d %d %d]"
546 state.x state.y state.w
state.h
550 if w
!= state.w
|| h
!= state.h
561 dolog "event %d %S" n resp
567 if hasdata sock
then loop ();
572 let sendstr s ?
(pos
=0) ?
(len=String.length
s) sock
=
573 sendstr1 s pos
len sock
;
574 if hasdata sock
then readresp sock
;
580 let s = "wwuuhhuu" in
583 let s = configurewindowreq state.idbase
0x000c s in
584 sendstr s state.sock
;
585 else state.fullscreen
state.idbase
588 let syncsendwithrep sock secstowait
s f
=
589 let completed = ref false in
590 sendwithrep sock
s (fun resp -> f
resp; completed := true);
591 let now = Unix.gettimeofday
in
592 let deadline = now () +. secstowait
in
593 let rec readtillcompletion () =
594 let r, _
, _
= Unix.select
[sock
] [] [] (deadline -. now ()) in
596 | [] -> error "didn't get X response in %f seconds, aborting" secstowait
600 then readtillcompletion ()
602 readtillcompletion ();
605 let syncsendintern sock secstowait
s onlyifexists f
=
606 let s = internreq s onlyifexists
in
607 syncsendwithrep sock secstowait
s f
;
610 let setup sock screennum w h
=
611 let s = readstr sock
2 in
612 let n = String.length
s in
614 then error "failed to read X connection setup response n=%d" n;
617 let reasonlen = r8 s 1 in
618 let s = readstr sock
6 in
623 let data = readstr sock
len in
624 let reason = String.sub
data 0 reasonlen in
625 error "X connection failed maj=%d min=%d reason=%S"
628 | '
\002'
-> failwith
"X connection setup failed: authentication required";
631 let s = readstr sock
38 in
635 and idbase
= r32 s 10
636 and idmask
= r32 s 14
638 and screens
= r8 s 26
639 and formats
= r8 s 27
641 and maxkk
= r8 s 33 in
642 let data = readstr sock
(4*add
-32) in
643 let vendor = String.sub
data 0 vlen
in
644 let pos = ((vlen
+3) land lnot
3) + formats
*8 in
646 if screennum
>= screens
647 then error "invalid screen %d, max %d" screennum
(screens
-1);
651 let rec findscreen n pos = if n = screennum
then pos else
653 let ndepths = r8 s (pos+39) in
654 let rec skipdepths n pos = if n = ndepths then pos else
656 let nvisiuals = r16 s (pos+2) in
657 pos + nvisiuals*24 + 8
661 skipdepths n (pos+40)
667 let root = r32 data pos in
668 let rootw = r16 data (pos+20)
669 and rooth
= r16 data (pos+22) in
672 state.idbase
<- idbase
;
673 vlog "vendor = %S, maj=%d min=%d" vendor maj min
;
674 vlog "screens = %d formats = %d" screens formats
;
675 vlog "minkk = %d maxkk = %d" minkk maxkk
;
676 vlog "idbase = %#x idmask = %#x" idbase idmask
;
677 vlog "root=%#x %dx%d" root rootw rooth
;
680 + 0x00000001 (* KeyPress *)
681 (* + 0x00000002 *) (* KeyRelease *)
682 + 0x00000004 (* ButtonPress *)
683 + 0x00000008 (* ButtonRelease *)
684 + 0x00000010 (* EnterWindow *)
685 + 0x00000020 (* LeaveWindow *)
686 + 0x00000040 (* PointerMotion *)
687 (* + 0x00000080 *) (* PointerMotionHint *)
688 (* + 0x00000100 *) (* Button1Motion *)
689 (* + 0x00000200 *) (* Button2Motion *)
690 (* + 0x00000400 *) (* Button3Motion *)
691 (* + 0x00000800 *) (* Button4Motion *)
692 (* + 0x00001000 *) (* Button5Motion *)
693 + 0x00002000 (* ButtonMotion *)
694 (* + 0x00004000 *) (* KeymapState *)
695 + 0x00008000 (* Exposure *)
696 + 0x00010000 (* VisibilityChange *)
697 + 0x00020000 (* StructureNotify *)
698 (* + 0x00040000 *) (* ResizeRedirect *)
699 (* + 0x00080000 *) (* SubstructureNotify *)
700 (* + 0x00100000 *) (* SubstructureRedirect *)
701 (* + 0x00200000 *) (* FocusChange *)
702 (* + 0x00400000 *) (* PropertyChange *)
703 (* + 0x00800000 *) (* ColormapChange *)
704 (* + 0x01000000 *) (* OwnerGrabButton *)
706 let wid = state.idbase
in
707 let s = createwindowreq wid root 0 0 w h
0 mask in
710 sendintern sock
"WM_PROTOCOLS" false (fun resp ->
711 state.protoatom
<- r32 resp 8;
712 sendintern sock
"WM_DELETE_WINDOW" false (fun resp ->
713 state.deleatom
<- r32 resp 8;
714 let s = s32 state.deleatom
in
715 let s = changepropreq wid state.protoatom
4 32 s in
720 syncsendintern sock
2.0 "WM_CLASS" false (fun resp ->
721 let atom = r32 resp 8 in
722 let llpp = "llpp\000llpp\000" in
723 let s = changepropreq wid atom 31 8 llpp in
727 let s = mapreq wid in
730 let s = getkeymapreq state.mink
(state.maxk
-state.mink
) in
731 sendwithrep sock
s (updkmap sock
);
733 let s = getmodifiermappingreq () in
734 sendwithrep sock
s (updmodmap sock
);
736 let s = openfontreq (wid+1) "cursor" in
739 Array.iteri
(fun i glyphindex
->
740 let s = createglyphcursorreq (wid+1) (wid+2+i) glyphindex
in
742 ) [|34;48;50;58;128;152|];
744 sendintern sock
"UTF8_STRING" true (fun resp ->
745 let atom = r32 resp 8 in
747 then state.stringatom
<- atom;
751 let s = changepropreq state.idbase
39 state.stringatom
8 s in
752 sendstr s state.sock
;
754 state.setwmname <- setwmname;
755 sendintern sock
"_NET_WM_NAME" true (fun resp ->
756 let atom = r32 resp 8 in
758 then state.setwmname <- (fun s ->
760 let s = changepropreq state.idbase
atom state.stringatom
8 s in
761 sendstr s state.sock
;
765 state.fullscreen
<- (fun wid ->
766 let s = "xxuuyyuuwwuuhhuu" in
773 let s = configurewindowreq wid 0x000f s in
774 sendstr s state.sock
;
775 state.fs
<- Fs
(state.x, state.y, state.w
, state.h
);
782 let s = configurewindowreq wid 0x000f s in
783 sendstr s state.sock
;
787 sendintern sock
"_NET_WM_STATE" true (fun resp ->
788 let nwmsatom = r32 resp 8 in
791 sendintern sock
"_NET_WM_STATE_FULLSCREEN" true (fun resp ->
792 let fsatom = r32 resp 8 in
797 let data = String.make
20 '
\000'
in
800 | NoFs
-> Fs
(-1, -1, -1, -1), 1
806 let cm = clientmessage 32 0 wid nwmsatom data in
807 let s = sendeventreq 0 root 0x180000 cm in
813 let s = getgeometryreq wid in
814 syncsendwithrep sock
2.0 s (fun resp ->
817 and h
= r16 resp 18 in
823 error "unknown conection setup response %d" (Char.code c
)
826 let getauth haddr dnum
=
828 if haddr = "localhost" || String.length
haddr = 0
830 try Unix.gethostname
()
832 dolog "failed to resolve `%S': %s" haddr (exntos exn
);
837 try Sys.getenv
"XAUTHORITY"
839 try Filename.concat
(Sys.getenv
"HOME") ".Xauthority"
843 let input_string ic
len =
844 let s = String.create
len in
845 really_input ic
s 0 len;
849 let rb pos = Char.code (String.get
s pos) in
850 (rb 1) lor ((rb 0) lsl 8)
854 let s = input_string ic
2 in
858 let family = input_string ic
2 in
862 try Some
(int_of_string
nums)
865 "display number(%S) is not an integer (corrupt %S?): %s"
866 nums path (exntos exn
);
872 vlog "family %S addr %S(%S) num %S(%d) name %S data %S"
873 family addr haddr nums dnum
name data;
875 | Some num
when addr = haddr && num
= dnum
->
882 | End_of_file
-> "", ""
884 dolog "exception while reading X authority data (%S): %s"
893 if String.length
path = 0
895 else Some
(open_in_bin
path)
897 if Sys.file_exists
path
899 dolog "failed to open X authority file `%S' : %s"
905 | Some ic
-> readauth ic
910 try Sys.getenv
"DISPLAY"
912 error "could not get DISPLAY evironment variable: %s"
917 then error "invalid DISPLAY(%s) %S" w d
919 let s = String.sub
d b (e
- b) in
922 error "invalid DISPLAY %S can not parse %s(%S): %s"
926 if pos = String.length
d
927 then error "invalid DISPLAY %S no display number specified" d
931 let rec pdispnum pos1
=
932 if pos1
= String.length
d
933 then getnum "display number" (pos+1) pos1
, 0
937 let dispnum = getnum "display number" (pos+1) pos1
in
938 let rec pscreennum pos2
=
939 if pos2
= String.length
d
940 then getnum "screen number" (pos1
+1) pos2
943 | '
0'
.. '
9'
-> pscreennum (pos2
+1)
945 error "invalid DISPLAY %S, cannot parse screen number" d
947 dispnum, pscreennum (pos1
+1)
948 | '
0'
.. '
9'
-> pdispnum (pos1
+1)
950 error "invalid DISPLAY %S, cannot parse display number" d
952 String.sub
d 0 pos, pdispnum (pos+1)
956 let host, (dispnum, screennum
) = phost 0 in
957 let aname, adata
= getauth host dispnum in
960 if osx
|| String.length
host = 0 || host = "unix"
964 then Unix.ADDR_UNIX
d
965 else Unix.ADDR_UNIX
("/tmp/.X11-unix/X" ^ string_of_int
dispnum)
967 let fd = Unix.socket
Unix.PF_UNIX
Unix.SOCK_STREAM
0 in
971 try Unix.gethostbyname
host
973 error "cannot resolve %S: %s" host (exntos exn
)
975 let addr = h.Unix.h_addr_list
.(0) in
976 let port = 6000 + dispnum in
977 let fd = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
978 fd, (Unix.ADDR_INET
(addr, port))
980 try Unix.connect
fd addr; fd
982 error "failed to connect to X: %s" (exntos exn
)
985 let s = "luMMmmnndduu" in
986 let s = padcat s aname in
987 let s = padcat s adata
in
990 w16 s 6 (String.length
aname);
991 w16 s 8 (String.length adata
);
992 sendstr1 s 0 (String.length
s) fd;
994 setup fd screennum
w h;
996 fd, state.w, state.h;
1003 let setcursor cursor
=
1004 if cursor
!= state.curcurs
1008 | CURSOR_INHERIT
-> -1
1011 | CURSOR_CROSSHAIR
-> 0
1014 let s = s32 (if n = -1 then 0 else state.idbase
+2+n) in
1015 let s = changewindowattributesreq state.idbase
(*cursor*)0x4000 s in
1016 sendstr s state.sock
;
1017 state.curcurs
<- cursor
;
1021 state.fullscreen state.idbase
;
1024 let metamask = 0x40;;
1029 let withalt mask = mask land altmask != 0;;
1030 let withctrl mask = mask land ctrlmask != 0;;
1031 let withshift mask = mask land shiftmask != 0;;
1032 let withmeta mask = mask land metamask != 0;;
1033 let withnone mask = mask land (altmask + ctrlmask + shiftmask + metamask) = 0;;
1036 let t = Hashtbl.create
20
1037 and f
= Hashtbl.create
20 in
1039 List.iter
(fun s -> Hashtbl.add t s k) (n::nl
);
1043 let s = String.create
1 in
1045 add s [] (Char.code c
)
1048 let an = Char.code a and bn
= Char.code b in
1049 for i = an to bn
do addc (Char.chr
i) done;
1054 String.iter
addc "`~!@#$%^&*()-_=+\\|[{]};:,./<>?";
1055 for i = 0 to 29 do add ("f" ^ string_of_int
(i+1)) [] (0xffbe + i) done;
1056 add "space" [] 0x20;
1057 add "ret" ["return"; "enter"] 0xff0d;
1058 add "tab" [] 0xff09;
1059 add "left" [] 0xff51;
1060 add "right" [] 0xff53;
1061 add "home" [] 0xff50;
1062 add "end" [] 0xff57;
1063 add "ins" ["insert"] 0xff63;
1064 add "del" ["delete"] 0xffff;
1065 add "esc" ["escape"] 0xff1b;
1066 add "pgup" ["pageup"] 0xff55;
1067 add "pgdown" ["pagedown"] 0xff56;
1068 add "backspace" [] 0xff08;
1070 add "down" [] 0xff54;
1075 try Hashtbl.find xlatf
k
1076 with Not_found
-> Printf.sprintf
"%#x" k;
1080 try Hashtbl.find xlatt name
1082 if String.length
name = 1
1083 then Char.code name.[0]
1084 else int_of_string
name;