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
69 | Fs
of (int * int * int * int)
76 ; fifo
= Queue.create
()
81 ; fullscreen
= (fun _
-> ())
82 ; setwmname
= (fun _
-> ())
91 ; curcurs
= CURSOR_INHERIT
96 let w8 s pos i
= String.set s pos
(Char.chr
(i
land 0xff));;
100 w8 s
(pos
+1) (i
lsr 8);
105 w16 s
(pos
+2) (i
lsr 16);
109 let rb pos1
= Char.code
(String.get s
(pos
+ pos1
)) in
110 (rb 0) lor ((rb 1) lsl 8)
115 i - ((i land 0x8000) lsl 1);
118 let r8 s pos
= Char.code
(String.get s pos
);;
121 let rb pos1
= Char.code
(String.get s
(pos
+ pos1
)) in
122 let l = (rb 0) lor ((rb 1) lsl 8)
123 and u
= (rb 2) lor ((rb 3) lsl 8) in
127 let exntos = function
128 | Unix.Unix_error
(e
, s
, a
) -> Printf.sprintf
"%s(%s):%s(%d)"
129 s a
(Unix.error_message e
) (Obj.magic e
)
130 | exn
-> Printexc.to_string exn
;
133 let error fmt
= Printf.kprintf failwith fmt
;;
136 let s = String.create n
in
138 let m = Unix.read sock
s pos n
in
143 ignore
(Unix.select
[sock
] [] [] 0.01);
144 loop (pos
+ m) (n
- m)
151 let sendstr1 s pos len sock
=
152 vlog "%d => %S" state.seq
s;
153 state.seq
<- state.seq
+ 1;
154 let n = Unix.send sock
s pos len
[] in
156 then error "send %d returned %d" len
n;
159 let updkmap sock resp
=
160 let syms = r8 resp
1 in
161 let len = r32 resp
4 in
164 then readstr sock
(4*len)
167 let m = len / syms in
168 state.keymap
<- Array.make_matrix
169 (state.maxk
- state.mink
) syms 0xffffff;
170 let rec loop i = if i = m then () else
172 let rec loop2 k l = if l = syms then () else
173 let v = r32 data k in
174 state.keymap
.(i).(l) <- v;
183 let updmodmap sock resp
=
185 let len = r16 resp
4 in
188 then readstr sock
(len*4)
191 let modmap = Array.make_matrix
8 n 0xffffff in
192 let rec loop l = if l = 8 then () else
194 let rec loop1 m = if m = n then () else
196 let code = r8 data p in
197 modmap.(l).(m) <- code;
200 let ki = code - state.mink
in
203 let a = state.keymap
.(ki) in
204 let rec capsloop i = if i = Array.length
a || i > 3 then () else
207 then state.capslmask
<- 2
220 let sendwithrep sock
s f
=
221 Queue.push f
state.fifo
;
222 sendstr1 s 0 (String.length
s) sock
;
226 let b = Buffer.create
16 in
227 List.iter
(Buffer.add_string
b) ss
;
228 let bl = Buffer.length
b in
229 let pl = bl land 3 in
233 Buffer.add_substring
b pad 0 (4 - pl);
238 let padcat s1 s2
= padcatl [s1
; s2
];;
240 let internreq name onlyifexists
=
241 let s = "\016\000\000\000\000\000\000\000" in
242 let s = padcat s name
in
243 if onlyifexists
then w8 s 1 1;
244 w16 s 2 (String.length
s / 4);
245 w16 s 4 (String.length name
);
249 let sendintern sock
s onlyifexists f
=
250 let s = internreq s onlyifexists
in
251 sendwithrep sock
s f
;
254 let createwindowreq wid parent x y w h bw mask
=
255 let s = "\001\000\009\000wwwwppppxxyywwhhbwccvvvvmmmmeeee" in
265 w32 s 28 0x800; (* eventmask *)
270 let getgeometryreq wid
=
271 let s = "\014u\002\000dddd" in
277 let s = "\008u\002\000wwww" in
282 let getkeymapreq first count
=
283 let s = "\101u\002\000fcuu" in
289 let changepropreq wid prop typ format props
=
290 let s = "\018\000llwwwwppppttttfuuuLLLL" in
291 let s = padcat s props
in
292 w16 s 2 (String.length
s / 4);
297 let ful = String.length props
/ (match format
with
301 | n -> error "no idea what %d means" n)
307 let openfontreq fid name
=
308 let s = "\045ullffffnnuu" in
309 let s = padcat s name
in
310 w16 s 2 (String.length
s / 4);
312 w16 s 8 (String.length name
);
316 let createglyphcursorreq fid cid cindex
=
317 let s = "\094u\008\000ccccffffffffssmmrrggbbRRGGBB" in
332 let changewindowattributesreq wid mask attrs
=
333 let s = "\002ullwwwwmmmm" in
334 let s = padcat s attrs
in
335 w16 s 2 (String.length
s / 4);
341 let configurewindowreq wid mask values
=
342 let s = "\012ullwwwwmmuu" in
343 let s = padcat s values
in
344 w16 s 2 (String.length
s / 4);
356 let clientmessage format seq wid typ
data =
357 let s = "\033fsswwwwtttt" in
358 let s = padcat s data in
366 let sendeventreq propagate destwid mask
data =
367 let s = "\025p\011\000wwwwmmmm" in
368 let s = padcat s data in
375 let getmodifiermappingreq () =
376 let s = "\119u\001\000" in
380 let getkeysym code mask
=
381 let shift = (mask
land 1) lxor ((mask
land state.capslmask
) lsr 1) in
382 let mod3 = if mask
land 0x80 = 0x80 then 4 else 0 in
383 let mod4 = if mask
land 0x20 = 0x20 then 8 else 0 in
384 let index = mod3 + mod4 + shift in
385 let keysym = state.keymap
.(code-state.mink
).(index) in
386 if index land 1 = 1 && keysym = 0
387 then state.keymap
.(code-state.mink
).(index - 1)
392 let resp = readstr sock
32 in
393 let opcode = r8 resp 0 in
394 match opcode land lnot
0x80 with
399 and resid
= r32 resp 4
402 error "code=%d serial=%d resid=%#x min=%d maj=%d\n%S"
403 code serial resid min maj
resp;
405 | 1 -> (* response *)
406 let rep = Queue.pop
state.fifo
in
409 | 2 -> (* key press *)
410 if Array.length
state.keymap
> 0
412 let code = r8 resp 1 in
413 let mask = r16 resp 28 in
414 let keysym = getkeysym code mask in
415 vlog "keysym = %x %c mask %#x code %d"
416 keysym (Char.unsafe_chr
keysym) mask code;
417 state.t#key
keysym mask;
419 | 3 -> (* key release *)
420 if Array.length
state.keymap
> 0
422 let code = r8 resp 1 in
423 let mask = r16 resp 28 in
424 let keysym = getkeysym code mask in
425 vlog "release keysym = %x %c mask %#x code %#d"
426 keysym (Char.unsafe_chr
keysym) mask code
428 | 4 -> (* buttonpress *)
432 and m = r16 resp 28 in
433 state.t#mouse
n true x y
m;
436 | 5 -> (* buttonrelease *)
440 and m = r16 resp 28 in
441 state.t#mouse
n false x y
m;
442 vlog "release %d %d %d" n x y
445 let x = r16s resp 24 in
446 let y = r16s resp 26 in
447 let m = r16 resp 28 in
449 then state.t#pmotion
x y
450 else state.t#motion
x y;
451 vlog "move %dx%d => %d" x y m
455 and y = r16s resp 26 in
457 vlog "enter %d %d" x y
462 | 18 -> vlog "unmap";
467 | 12 -> (* exposure *)
471 | 15 -> (* visibility *)
472 let vis = r8 resp 8 in
473 if vis != 2 then state.t#expose
;
474 vlog "visibility %d" vis;
476 | 34 -> (* mapping *)
477 state.keymap
<- [||];
478 let s = getkeymapreq state.mink
(state.maxk
-state.mink
-1) in
479 sendwithrep sock
s (updkmap sock
);
480 state.capslmask
<- 0;
481 let s = getmodifiermappingreq () in
482 sendwithrep sock
s (updmodmap sock
);
485 | 33 -> (* clientmessage *)
486 let atom = r32 resp 8 in
487 if atom = state.protoatom
489 let atom = r32 resp 12 in
490 if atom = state.deleatom
495 | 21 -> (* reparent *)
498 | 22 -> (* configure *)
502 and h
= r16 resp 22 in
503 vlog "configure cur [%d %d %d %d] conf [%d %d %d %d]"
504 state.x state.y state.w
state.h
508 if w
!= state.w
|| h
!= state.h
519 dolog "event %d %S" n resp
525 if hasdata sock
then loop ();
530 let sendstr s ?
(pos
=0) ?
(len=String.length
s) sock
=
531 sendstr1 s pos
len sock
;
532 if hasdata sock
then readresp sock
;
538 let s = "wwuuhhuu" in
541 let s = configurewindowreq state.idbase
0x000c s in
542 sendstr s state.sock
;
543 else state.fullscreen
state.idbase
546 let syncsendwithrep sock secstowait
s f
=
547 let completed = ref false in
548 sendwithrep sock
s (fun resp -> f
resp; completed := true);
549 let now = Unix.gettimeofday
in
550 let deadline = now () +. secstowait
in
551 let rec readtillcompletion () =
552 let r, _
, _
= Unix.select
[sock
] [] [] (deadline -. now ()) in
554 | [] -> error "didn't get X response in %f seconds, aborting" secstowait
558 then readtillcompletion ()
560 readtillcompletion ();
563 let syncsendintern sock secstowait
s onlyifexists f
=
564 let s = internreq s onlyifexists
in
565 syncsendwithrep sock secstowait
s f
;
568 let setup sock screennum w h
=
569 let s = readstr sock
2 in
570 let n = String.length
s in
572 then error "failed to read X connection setup response n=%d" n;
575 let reasonlen = r8 s 1 in
576 let s = readstr sock
6 in
581 let data = readstr sock
len in
582 let reason = String.sub
data 0 reasonlen in
583 error "X connection failed maj=%d min=%d reason=%S"
586 | '
\002'
-> failwith
"X connection setup failed: authentication required";
589 let s = readstr sock
38 in
593 and idbase
= r32 s 10
594 and idmask
= r32 s 14
596 and screens
= r8 s 26
597 and formats
= r8 s 27
599 and maxkk
= r8 s 33 in
600 let data = readstr sock
(4*add
-32) in
601 let vendor = String.sub
data 0 vlen
in
602 let pos = ((vlen
+3) land lnot
3) + formats
*8 in
604 if screennum
>= screens
605 then error "invalid screen %d, max %d" screennum
(screens
-1);
609 let rec findscreen n pos = if n = screennum
then pos else
611 let ndepths = r8 s (pos+39) in
612 let rec skipdepths n pos = if n = ndepths then pos else
614 let nvisiuals = r16 s (pos+2) in
615 pos + nvisiuals*24 + 8
619 skipdepths n (pos+40)
625 let root = r32 data pos in
626 let rootw = r16 data (pos+20)
627 and rooth
= r16 data (pos+22) in
630 state.idbase
<- idbase
;
631 vlog "vendor = %S, maj=%d min=%d" vendor maj min
;
632 vlog "screens = %d formats = %d" screens formats
;
633 vlog "minkk = %d maxkk = %d" minkk maxkk
;
634 vlog "idbase = %#x idmask = %#x" idbase idmask
;
635 vlog "root=%#x %dx%d" root rootw rooth
;
638 + 0x00000001 (* KeyPress *)
639 (* + 0x00000002 *) (* KeyRelease *)
640 + 0x00000004 (* ButtonPress *)
641 + 0x00000008 (* ButtonRelease *)
642 + 0x00000010 (* EnterWindow *)
643 + 0x00000020 (* LeaveWindow *)
644 + 0x00000040 (* PointerMotion *)
645 (* + 0x00000080 *) (* PointerMotionHint *)
646 (* + 0x00000100 *) (* Button1Motion *)
647 (* + 0x00000200 *) (* Button2Motion *)
648 (* + 0x00000400 *) (* Button3Motion *)
649 (* + 0x00000800 *) (* Button4Motion *)
650 (* + 0x00001000 *) (* Button5Motion *)
651 + 0x00002000 (* ButtonMotion *)
652 (* + 0x00004000 *) (* KeymapState *)
653 + 0x00008000 (* Exposure *)
654 + 0x00010000 (* VisibilityChange *)
655 + 0x00020000 (* StructureNotify *)
656 (* + 0x00040000 *) (* ResizeRedirect *)
657 (* + 0x00080000 *) (* SubstructureNotify *)
658 (* + 0x00100000 *) (* SubstructureRedirect *)
659 (* + 0x00200000 *) (* FocusChange *)
660 (* + 0x00400000 *) (* PropertyChange *)
661 (* + 0x00800000 *) (* ColormapChange *)
662 (* + 0x01000000 *) (* OwnerGrabButton *)
664 let wid = state.idbase
in
665 let s = createwindowreq wid root 0 0 w h
0 mask in
668 sendintern sock
"WM_PROTOCOLS" false (fun resp ->
669 state.protoatom
<- r32 resp 8;
670 sendintern sock
"WM_DELETE_WINDOW" false (fun resp ->
671 state.deleatom
<- r32 resp 8;
672 let s = s32 state.deleatom
in
673 let s = changepropreq wid state.protoatom
4 32 s in
678 syncsendintern sock
2.0 "WM_CLASS" false (fun resp ->
679 let atom = r32 resp 8 in
680 let llpp = "llpp\000llpp\000" in
681 let s = changepropreq wid atom 31 8 llpp in
685 let s = mapreq wid in
688 let s = getkeymapreq state.mink
(state.maxk
-state.mink
) in
689 sendwithrep sock
s (updkmap sock
);
691 let s = getmodifiermappingreq () in
692 sendwithrep sock
s (updmodmap sock
);
694 let s = openfontreq (wid+1) "cursor" in
697 Array.iteri
(fun i glyphindex
->
698 let s = createglyphcursorreq (wid+1) (wid+2+i) glyphindex
in
700 ) [|34;48;50;58;128;152|];
702 sendintern sock
"UTF8_STRING" true (fun resp ->
703 let atom = r32 resp 8 in
705 then state.stringatom
<- atom;
709 let s = changepropreq state.idbase
39 state.stringatom
8 s in
710 sendstr s state.sock
;
712 state.setwmname <- setwmname;
713 sendintern sock
"_NET_WM_NAME" true (fun resp ->
714 let atom = r32 resp 8 in
716 then state.setwmname <- (fun s ->
718 let s = changepropreq state.idbase
atom state.stringatom
8 s in
719 sendstr s state.sock
;
723 state.fullscreen
<- (fun wid ->
724 let s = "xxuuyyuuwwuuhhuu" in
731 let s = configurewindowreq wid 0x000f s in
732 sendstr s state.sock
;
733 state.fs
<- Fs
(state.x, state.y, state.w
, state.h
);
740 let s = configurewindowreq wid 0x000f s in
741 sendstr s state.sock
;
745 sendintern sock
"_NET_WM_STATE" true (fun resp ->
746 let nwmsatom = r32 resp 8 in
749 sendintern sock
"_NET_WM_STATE_FULLSCREEN" true (fun resp ->
750 let fsatom = r32 resp 8 in
755 let data = String.make
20 '
\000'
in
758 | NoFs
-> Fs
(-1, -1, -1, -1), 1
764 let cm = clientmessage 32 0 wid nwmsatom data in
765 let s = sendeventreq 0 root 0x180000 cm in
771 let s = getgeometryreq wid in
772 syncsendwithrep sock
2.0 s (fun resp ->
775 and h
= r16 resp 18 in
781 error "unknown conection setup response %d" (Char.code c
)
784 let getauth haddr dnum
=
786 if haddr = "localhost" || String.length
haddr = 0
788 try Unix.gethostname
()
790 dolog "failed to resolve `%S': %s" haddr (exntos exn
);
795 try Sys.getenv
"XAUTHORITY"
797 try Filename.concat
(Sys.getenv
"HOME") ".Xauthority"
801 let input_string ic
len =
802 let s = String.create
len in
803 really_input ic
s 0 len;
807 let rb pos = Char.code (String.get
s pos) in
808 (rb 1) lor ((rb 0) lsl 8)
812 let s = input_string ic
2 in
816 let family = input_string ic
2 in
820 try Some
(int_of_string
nums)
823 "display number(%S) is not an integer (corrupt %S?): %s"
824 nums path (exntos exn
);
830 vlog "family %S addr %S(%S) num %S(%d) name %S data %S"
831 family addr haddr nums dnum
name data;
833 | Some num
when addr = haddr && num
= dnum
->
840 | End_of_file
-> "", ""
842 dolog "exception while reading X authority data (%S): %s"
851 if String.length
path = 0
853 else Some
(open_in_bin
path)
855 if Sys.file_exists
path
857 dolog "failed to open X authority file `%S' : %s"
863 | Some ic
-> readauth ic
868 try Sys.getenv
"DISPLAY"
870 error "could not get DISPLAY evironment variable: %s"
875 then error "invalid DISPLAY(%s) %S" w d
877 let s = String.sub
d b (e
- b) in
880 error "invalid DISPLAY %S can not parse %s(%S): %s"
884 if pos = String.length
d
885 then error "invalid DISPLAY %S no display number specified" d
889 let rec pdispnum pos1
=
890 if pos1
= String.length
d
891 then getnum "display number" (pos+1) pos1
, 0
895 let dispnum = getnum "display number" (pos+1) pos1
in
896 let rec pscreennum pos2
=
897 if pos2
= String.length
d
898 then getnum "screen number" (pos1
+1) pos2
901 | '
0'
.. '
9'
-> pscreennum (pos2
+1)
903 error "invalid DISPLAY %S, cannot parse screen number" d
905 dispnum, pscreennum (pos1
+1)
906 | '
0'
.. '
9'
-> pdispnum (pos1
+1)
908 error "invalid DISPLAY %S, cannot parse display number" d
910 String.sub
d 0 pos, pdispnum (pos+1)
914 let host, (dispnum, screennum
) = phost 0 in
915 let aname, adata
= getauth host dispnum in
918 if osx
|| String.length
host = 0 || host = "unix"
922 then Unix.ADDR_UNIX
d
923 else Unix.ADDR_UNIX
("/tmp/.X11-unix/X" ^ string_of_int
dispnum)
925 let fd = Unix.socket
Unix.PF_UNIX
Unix.SOCK_STREAM
0 in
929 try Unix.gethostbyname
host
931 error "cannot resolve %S: %s" host (exntos exn
)
933 let addr = h.Unix.h_addr_list
.(0) in
934 let port = 6000 + dispnum in
935 let fd = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
936 fd, (Unix.ADDR_INET
(addr, port))
938 try Unix.connect
fd addr; fd
940 error "failed to connect to X: %s" (exntos exn
)
943 let s = "luMMmmnndduu" in
944 let s = padcat s aname in
945 let s = padcat s adata
in
948 w16 s 6 (String.length
aname);
949 w16 s 8 (String.length adata
);
950 sendstr1 s 0 (String.length
s) fd;
952 setup fd screennum
w h;
954 fd, state.w, state.h;
961 let setcursor cursor
=
962 if cursor
!= state.curcurs
966 | CURSOR_INHERIT
-> -1
969 | CURSOR_CROSSHAIR
-> 0
972 let s = s32 (if n = -1 then 0 else state.idbase
+2+n) in
973 let s = changewindowattributesreq state.idbase
(*cursor*)0x4000 s in
974 sendstr s state.sock
;
975 state.curcurs
<- cursor
;
979 state.fullscreen state.idbase
;
982 let metamask = 0x40;;
987 let withalt mask = mask land altmask != 0;;
988 let withctrl mask = mask land ctrlmask != 0;;
989 let withshift mask = mask land shiftmask != 0;;
990 let withmeta mask = mask land metamask != 0;;
991 let withnone mask = mask land (altmask + ctrlmask + shiftmask + metamask) = 0;;
994 let t = Hashtbl.create
20
995 and f
= Hashtbl.create
20 in
997 List.iter
(fun s -> Hashtbl.add t s k) (n::nl
);
1001 let s = String.create
1 in
1003 add s [] (Char.code c
)
1006 let an = Char.code a and bn
= Char.code b in
1007 for i = an to bn
do addc (Char.chr
i) done;
1012 String.iter
addc "`~!@#$%^&*()-_=+\\|[{]};:,./<>?";
1013 for i = 0 to 29 do add ("f" ^ string_of_int
(i+1)) [] (0xffbe + i) done;
1014 add "space" [] 0x20;
1015 add "ret" ["return"; "enter"] 0xff0d;
1016 add "tab" [] 0xff09;
1017 add "left" [] 0xff51;
1018 add "right" [] 0xff53;
1019 add "home" [] 0xff50;
1020 add "end" [] 0xff57;
1021 add "ins" ["insert"] 0xff63;
1022 add "del" ["delete"] 0xffff;
1023 add "esc" ["escape"] 0xff1b;
1024 add "pgup" ["pageup"] 0xff55;
1025 add "pgdown" ["pagedown"] 0xff56;
1026 add "backspace" [] 0xff08;
1028 add "down" [] 0xff54;
1033 try Hashtbl.find xlatf
k
1034 with Not_found
-> Printf.sprintf
"%#x" k;
1038 try Hashtbl.find xlatt name
1040 if String.length
name = 1
1041 then Char.code name.[0]
1042 else int_of_string
name;