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 index = (mask
land 1) lxor ((mask
land state.capslmask
) lsr 1) in
382 let index = index lor ((mask
land 0x80) lsr 5) in
383 let keysym = state.keymap
.(code-state.mink
).(index) in
384 if index = 1 && keysym = 0
385 then state.keymap
.(code-state.mink
).(0)
390 let resp = readstr sock
32 in
391 let opcode = r8 resp 0 in
392 match opcode land lnot
0x80 with
397 and resid
= r32 resp 4
400 error "code=%d serial=%d resid=%#x min=%d maj=%d\n%S"
401 code serial resid min maj
resp;
403 | 1 -> (* response *)
404 let rep = Queue.pop
state.fifo
in
407 | 2 -> (* key press *)
408 if Array.length
state.keymap
> 0
410 let code = r8 resp 1 in
411 let mask = r16 resp 28 in
412 let keysym = getkeysym code mask in
413 vlog "keysym = %x %c mask %#x code %d"
414 keysym (Char.unsafe_chr
keysym) mask code;
415 state.t#key
keysym mask;
417 | 3 -> (* key release *)
418 if Array.length
state.keymap
> 0
420 let code = r8 resp 1 in
421 let mask = r16 resp 28 in
422 let keysym = getkeysym code mask in
423 vlog "release keysym = %x %c mask %#x code %#d"
424 keysym (Char.unsafe_chr
keysym) mask code
426 | 4 -> (* buttonpress *)
430 and m = r16 resp 28 in
431 state.t#mouse
n true x y
m;
434 | 5 -> (* buttonrelease *)
438 and m = r16 resp 28 in
439 state.t#mouse
n false x y
m;
440 vlog "release %d %d %d" n x y
443 let x = r16s resp 24 in
444 let y = r16s resp 26 in
445 let m = r16 resp 28 in
447 then state.t#pmotion
x y
448 else state.t#motion
x y;
449 vlog "move %dx%d => %d" x y m
453 and y = r16s resp 26 in
455 vlog "enter %d %d" x y
460 | 18 -> vlog "unmap";
465 | 12 -> (* exposure *)
469 | 15 -> (* visibility *)
470 let vis = r8 resp 8 in
471 if vis != 2 then state.t#expose
;
472 vlog "visibility %d" vis;
474 | 34 -> (* mapping *)
475 state.keymap
<- [||];
476 let s = getkeymapreq state.mink
(state.maxk
-state.mink
-1) in
477 sendwithrep sock
s (updkmap sock
);
478 state.capslmask
<- 0;
479 let s = getmodifiermappingreq () in
480 sendwithrep sock
s (updmodmap sock
);
483 | 33 -> (* clientmessage *)
484 let atom = r32 resp 8 in
485 if atom = state.protoatom
487 let atom = r32 resp 12 in
488 if atom = state.deleatom
493 | 21 -> (* reparent *)
496 | 22 -> (* configure *)
500 and h
= r16 resp 22 in
501 vlog "configure cur [%d %d %d %d] conf [%d %d %d %d]"
502 state.x state.y state.w
state.h
506 if w
!= state.w
|| h
!= state.h
517 dolog "event %d %S" n resp
523 if hasdata sock
then loop ();
528 let sendstr s ?
(pos
=0) ?
(len=String.length
s) sock
=
529 sendstr1 s pos
len sock
;
530 if hasdata sock
then readresp sock
;
536 let s = "wwuuhhuu" in
539 let s = configurewindowreq state.idbase
0x000c s in
540 sendstr s state.sock
;
541 else state.fullscreen
state.idbase
544 let syncsendwithrep sock secstowait
s f
=
545 let completed = ref false in
546 sendwithrep sock
s (fun resp -> f
resp; completed := true);
547 let now = Unix.gettimeofday
in
548 let deadline = now () +. secstowait
in
549 let rec readtillcompletion () =
550 let r, _
, _
= Unix.select
[sock
] [] [] (deadline -. now ()) in
552 | [] -> error "didn't get X response in %f seconds, aborting" secstowait
556 then readtillcompletion ()
558 readtillcompletion ();
561 let syncsendintern sock secstowait
s onlyifexists f
=
562 let s = internreq s onlyifexists
in
563 syncsendwithrep sock secstowait
s f
;
566 let setup sock screennum w h
=
567 let s = readstr sock
2 in
568 let n = String.length
s in
570 then error "failed to read X connection setup response n=%d" n;
573 let reasonlen = r8 s 1 in
574 let s = readstr sock
6 in
579 let data = readstr sock
len in
580 let reason = String.sub
data 0 reasonlen in
581 error "X connection failed maj=%d min=%d reason=%S"
584 | '
\002'
-> failwith
"X connection setup failed: authentication required";
587 let s = readstr sock
38 in
591 and idbase
= r32 s 10
592 and idmask
= r32 s 14
594 and screens
= r8 s 26
595 and formats
= r8 s 27
597 and maxkk
= r8 s 33 in
598 let data = readstr sock
(4*add
-32) in
599 let vendor = String.sub
data 0 vlen
in
600 let pos = ((vlen
+3) land lnot
3) + formats
*8 in
602 if screennum
>= screens
603 then error "invalid screen %d, max %d" screennum
(screens
-1);
607 let rec findscreen n pos = if n = screennum
then pos else
609 let ndepths = r8 s (pos+39) in
610 let rec skipdepths n pos = if n = ndepths then pos else
612 let nvisiuals = r16 s (pos+2) in
613 pos + nvisiuals*24 + 8
617 skipdepths n (pos+40)
623 let root = r32 data pos in
624 let rootw = r16 data (pos+20)
625 and rooth
= r16 data (pos+22) in
628 state.idbase
<- idbase
;
629 vlog "vendor = %S, maj=%d min=%d" vendor maj min
;
630 vlog "screens = %d formats = %d" screens formats
;
631 vlog "minkk = %d maxkk = %d" minkk maxkk
;
632 vlog "idbase = %#x idmask = %#x" idbase idmask
;
633 vlog "root=%#x %dx%d" root rootw rooth
;
636 + 0x00000001 (* KeyPress *)
637 (* + 0x00000002 *) (* KeyRelease *)
638 + 0x00000004 (* ButtonPress *)
639 + 0x00000008 (* ButtonRelease *)
640 + 0x00000010 (* EnterWindow *)
641 + 0x00000020 (* LeaveWindow *)
642 + 0x00000040 (* PointerMotion *)
643 (* + 0x00000080 *) (* PointerMotionHint *)
644 (* + 0x00000100 *) (* Button1Motion *)
645 (* + 0x00000200 *) (* Button2Motion *)
646 (* + 0x00000400 *) (* Button3Motion *)
647 (* + 0x00000800 *) (* Button4Motion *)
648 (* + 0x00001000 *) (* Button5Motion *)
649 + 0x00002000 (* ButtonMotion *)
650 (* + 0x00004000 *) (* KeymapState *)
651 + 0x00008000 (* Exposure *)
652 + 0x00010000 (* VisibilityChange *)
653 + 0x00020000 (* StructureNotify *)
654 (* + 0x00040000 *) (* ResizeRedirect *)
655 (* + 0x00080000 *) (* SubstructureNotify *)
656 (* + 0x00100000 *) (* SubstructureRedirect *)
657 (* + 0x00200000 *) (* FocusChange *)
658 (* + 0x00400000 *) (* PropertyChange *)
659 (* + 0x00800000 *) (* ColormapChange *)
660 (* + 0x01000000 *) (* OwnerGrabButton *)
662 let wid = state.idbase
in
663 let s = createwindowreq wid root 0 0 w h
0 mask in
666 sendintern sock
"WM_PROTOCOLS" false (fun resp ->
667 state.protoatom
<- r32 resp 8;
668 sendintern sock
"WM_DELETE_WINDOW" false (fun resp ->
669 state.deleatom
<- r32 resp 8;
670 let s = s32 state.deleatom
in
671 let s = changepropreq wid state.protoatom
4 32 s in
676 syncsendintern sock
2.0 "WM_CLASS" false (fun resp ->
677 let atom = r32 resp 8 in
678 let llpp = "llpp\000llpp\000" in
679 let s = changepropreq wid atom 31 8 llpp in
683 let s = mapreq wid in
686 let s = getkeymapreq state.mink
(state.maxk
-state.mink
) in
687 sendwithrep sock
s (updkmap sock
);
689 let s = getmodifiermappingreq () in
690 sendwithrep sock
s (updmodmap sock
);
692 let s = openfontreq (wid+1) "cursor" in
695 Array.iteri
(fun i glyphindex
->
696 let s = createglyphcursorreq (wid+1) (wid+2+i) glyphindex
in
698 ) [|34;48;50;58;128;152|];
700 sendintern sock
"UTF8_STRING" true (fun resp ->
701 let atom = r32 resp 8 in
703 then state.stringatom
<- atom;
707 let s = changepropreq state.idbase
39 state.stringatom
8 s in
708 sendstr s state.sock
;
710 state.setwmname <- setwmname;
711 sendintern sock
"_NET_WM_NAME" true (fun resp ->
712 let atom = r32 resp 8 in
714 then state.setwmname <- (fun s ->
716 let s = changepropreq state.idbase
atom state.stringatom
8 s in
717 sendstr s state.sock
;
721 state.fullscreen
<- (fun wid ->
722 let s = "xxuuyyuuwwuuhhuu" in
729 let s = configurewindowreq wid 0x000f s in
730 sendstr s state.sock
;
731 state.fs
<- Fs
(state.x, state.y, state.w
, state.h
);
738 let s = configurewindowreq wid 0x000f s in
739 sendstr s state.sock
;
743 sendintern sock
"_NET_WM_STATE" true (fun resp ->
744 let nwmsatom = r32 resp 8 in
747 sendintern sock
"_NET_WM_STATE_FULLSCREEN" true (fun resp ->
748 let fsatom = r32 resp 8 in
753 let data = String.make
20 '
\000'
in
756 | NoFs
-> Fs
(-1, -1, -1, -1), 1
762 let cm = clientmessage 32 0 wid nwmsatom data in
763 let s = sendeventreq 0 root 0x180000 cm in
769 let s = getgeometryreq wid in
770 syncsendwithrep sock
2.0 s (fun resp ->
773 and h
= r16 resp 18 in
779 error "unknown conection setup response %d" (Char.code c
)
782 let getauth haddr dnum
=
784 if haddr = "localhost" || String.length
haddr = 0
786 try Unix.gethostname
()
788 dolog "failed to resolve `%S': %s" haddr (exntos exn
);
793 try Sys.getenv
"XAUTHORITY"
795 try Filename.concat
(Sys.getenv
"HOME") ".Xauthority"
799 let input_string ic
len =
800 let s = String.create
len in
801 really_input ic
s 0 len;
805 let rb pos = Char.code (String.get
s pos) in
806 (rb 1) lor ((rb 0) lsl 8)
810 let s = input_string ic
2 in
814 let family = input_string ic
2 in
818 try Some
(int_of_string
nums)
821 "display number(%S) is not an integer (corrupt %S?): %s"
822 nums path (exntos exn
);
828 vlog "family %S addr %S(%S) num %S(%d) name %S data %S"
829 family addr haddr nums dnum
name data;
831 | Some num
when addr = haddr && num
= dnum
->
838 | End_of_file
-> "", ""
840 dolog "exception while reading X authority data (%S): %s"
849 if String.length
path = 0
851 else Some
(open_in_bin
path)
853 if Sys.file_exists
path
855 dolog "failed to open X authority file `%S' : %s"
861 | Some ic
-> readauth ic
866 try Sys.getenv
"DISPLAY"
868 error "could not get DISPLAY evironment variable: %s"
873 then error "invalid DISPLAY(%s) %S" w d
875 let s = String.sub
d b (e
- b) in
878 error "invalid DISPLAY %S can not parse %s(%S): %s"
882 if pos = String.length
d
883 then error "invalid DISPLAY %S no display number specified" d
887 let rec pdispnum pos1
=
888 if pos1
= String.length
d
889 then getnum "display number" (pos+1) pos1
, 0
893 let dispnum = getnum "display number" (pos+1) pos1
in
894 let rec pscreennum pos2
=
895 if pos2
= String.length
d
896 then getnum "screen number" (pos1
+1) pos2
899 | '
0'
.. '
9'
-> pscreennum (pos2
+1)
901 error "invalid DISPLAY %S, cannot parse screen number" d
903 dispnum, pscreennum (pos1
+1)
904 | '
0'
.. '
9'
-> pdispnum (pos1
+1)
906 error "invalid DISPLAY %S, cannot parse display number" d
908 String.sub
d 0 pos, pdispnum (pos+1)
912 let host, (dispnum, screennum
) = phost 0 in
913 let aname, adata
= getauth host dispnum in
916 if osx
|| String.length
host = 0 || host = "unix"
920 then Unix.ADDR_UNIX
d
921 else Unix.ADDR_UNIX
("/tmp/.X11-unix/X" ^ string_of_int
dispnum)
923 let fd = Unix.socket
Unix.PF_UNIX
Unix.SOCK_STREAM
0 in
927 try Unix.gethostbyname
host
929 error "cannot resolve %S: %s" host (exntos exn
)
931 let addr = h.Unix.h_addr_list
.(0) in
932 let port = 6000 + dispnum in
933 let fd = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
934 fd, (Unix.ADDR_INET
(addr, port))
936 try Unix.connect
fd addr; fd
938 error "failed to connect to X: %s" (exntos exn
)
941 let s = "luMMmmnndduu" in
942 let s = padcat s aname in
943 let s = padcat s adata
in
946 w16 s 6 (String.length
aname);
947 w16 s 8 (String.length adata
);
948 sendstr1 s 0 (String.length
s) fd;
950 setup fd screennum
w h;
952 fd, state.w, state.h;
959 let setcursor cursor
=
960 if cursor
!= state.curcurs
964 | CURSOR_INHERIT
-> -1
967 | CURSOR_CROSSHAIR
-> 0
970 let s = s32 (if n = -1 then 0 else state.idbase
+2+n) in
971 let s = changewindowattributesreq state.idbase
(*cursor*)0x4000 s in
972 sendstr s state.sock
;
973 state.curcurs
<- cursor
;
977 state.fullscreen state.idbase
;
980 let metamask = 0x40;;
985 let withalt mask = mask land altmask != 0;;
986 let withctrl mask = mask land ctrlmask != 0;;
987 let withshift mask = mask land shiftmask != 0;;
988 let withmeta mask = mask land metamask != 0;;
989 let withnone mask = mask land (altmask + ctrlmask + shiftmask + metamask) = 0;;
992 let t = Hashtbl.create
20
993 and f
= Hashtbl.create
20 in
995 List.iter
(fun s -> Hashtbl.add t s k) (n::nl
);
999 let s = String.create
1 in
1001 add s [] (Char.code c
)
1004 let an = Char.code a and bn
= Char.code b in
1005 for i = an to bn
do addc (Char.chr
i) done;
1010 String.iter
addc "`~!@#$%^&*()-_=+\\|[{]};:,./<>?";
1011 for i = 0 to 29 do add ("f" ^ string_of_int
(i+1)) [] (0xffbe + i) done;
1012 add "space" [] 0x20;
1013 add "ret" ["return"; "enter"] 0xff0d;
1014 add "tab" [] 0xff09;
1015 add "left" [] 0xff51;
1016 add "right" [] 0xff53;
1017 add "home" [] 0xff50;
1018 add "end" [] 0xff57;
1019 add "ins" ["insert"] 0xff63;
1020 add "del" ["delete"] 0xffff;
1021 add "esc" ["escape"] 0xff1b;
1022 add "pgup" ["pageup"] 0xff55;
1023 add "pgdown" ["pagedown"] 0xff56;
1024 add "backspace" [] 0xff08;
1026 add "down" [] 0xff54;
1031 try Hashtbl.find xlatf
k
1032 with Not_found
-> Printf.sprintf
"%#x" k;
1036 try Hashtbl.find xlatt name
1038 if String.length
name = 1
1039 then Char.code name.[0]
1040 else int_of_string
name;