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 exntos = function
126 | Unix.Unix_error
(e
, s
, a
) -> Printf.sprintf
"%s(%s):%s(%d)"
127 s a
(Unix.error_message e
) (Obj.magic e
)
128 | exn
-> Printexc.to_string exn
;
131 let error fmt
= Printf.kprintf failwith fmt
;;
134 let s = String.create n
in
136 let m = Unix.read sock
s pos n
in
141 ignore
(Unix.select
[sock
] [] [] 0.01);
142 loop (pos
+ m) (n
- m)
149 let sendstr1 s pos len sock
=
150 vlog "%d => %S" state.seq
s;
151 state.seq
<- state.seq
+ 1;
152 let n = Unix.send sock
s pos len
[] in
154 then error "send %d returned %d" len
n;
157 let updkmap sock resp
=
158 let syms = r8 resp
1 in
159 let len = r32 resp
4 in
162 then readstr sock
(4*len)
165 let m = len / syms in
166 state.keymap
<- Array.make_matrix
167 (state.maxk
- state.mink
) syms 0xffffff;
168 let rec loop i = if i = m then () else
170 let rec loop2 k l = if l = syms then () else
171 let v = r32 data k in
172 state.keymap
.(i).(l) <- v;
181 let sendwithrep sock
s f
=
182 Queue.push f
state.fifo
;
183 sendstr1 s 0 (String.length
s) sock
;
187 let b = Buffer.create
16 in
188 List.iter
(Buffer.add_string
b) ss
;
189 let bl = Buffer.length
b in
190 let pl = bl land 3 in
194 Buffer.add_substring
b pad 0 (4 - pl);
199 let padcat s1 s2
= padcatl [s1
; s2
];;
201 let internreq name onlyifexists
=
202 let s = "\016\000\000\000\000\000\000\000" in
203 let s = padcat s name
in
204 if onlyifexists
then w8 s 1 1;
205 w16 s 2 (String.length
s / 4);
206 w16 s 4 (String.length name
);
210 let sendintern sock
s onlyifexists f
=
211 let s = internreq s onlyifexists
in
212 sendwithrep sock
s f
;
215 let createwindowreq wid parent x y w h bw mask
=
216 let s = "\001\000\009\000wwwwppppxxyywwhhbwccvvvvmmmmeeee" in
226 w32 s 28 0x800; (* eventmask *)
231 let getgeometryreq wid
=
232 let s = "\014u\002\000dddd" in
238 let s = "\008u\002\000wwww" in
243 let getkeymapreq first count
=
244 let s = "\101u\002\000fcuu" in
250 let changepropreq wid prop typ format props
=
251 let s = "\018\000llwwwwppppttttfuuuLLLL" in
252 let s = padcat s props
in
253 w16 s 2 (String.length
s / 4);
258 let ful = String.length props
/ (match format
with
262 | n -> error "no idea what %d means" n)
268 let openfontreq fid name
=
269 let s = "\045ullffffnnuu" in
270 let s = padcat s name
in
271 w16 s 2 (String.length
s / 4);
273 w16 s 8 (String.length name
);
277 let createglyphcursorreq fid cid cindex
=
278 let s = "\094u\008\000ccccffffffffssmmrrggbbRRGGBB" 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 index = index lor ((mask
land 0x80) lsr 5) in
339 let keysym = state.keymap
.(code
-state.mink
).(index) in
340 if index = 1 && keysym = 0
341 then state.keymap
.(code
-state.mink
).(0)
346 let resp = readstr sock
32 in
347 let opcode = r8 resp 0 in
348 match opcode land lnot
0x80 with
353 and resid
= r32 resp 4
356 error "code=%d serial=%d resid=%#x min=%d maj=%d\n%S"
357 code serial resid min maj
resp;
359 | 1 -> (* response *)
360 let rep = Queue.pop
state.fifo
in
363 | 2 -> (* key press *)
364 if Array.length
state.keymap
> 0
366 let code = r8 resp 1 in
367 let mask = r16 resp 28 in
368 let keysym = getkeysym code mask in
369 vlog "keysym = %x %c mask %#x code %d"
370 keysym (Char.unsafe_chr
keysym) mask code;
371 state.t#key
keysym mask;
373 | 3 -> (* key release *)
374 if Array.length
state.keymap
> 0
376 let code = r8 resp 1 in
377 let mask = r16 resp 28 in
378 let keysym = getkeysym code mask in
379 vlog "release keysym = %x %c mask %#x code %#d"
380 keysym (Char.unsafe_chr
keysym) mask code
382 | 4 -> (* buttonpress *)
386 and m = r16 resp 28 in
387 state.t#mouse
n true x y
m;
390 | 5 -> (* buttonrelease *)
394 and m = r16 resp 28 in
395 state.t#mouse
n false x y
m;
396 vlog "release %d %d %d" n x y
399 let x = r16s resp 24 in
400 let y = r16s resp 26 in
401 let m = r16 resp 28 in
403 then state.t#pmotion
x y
404 else state.t#motion
x y;
405 vlog "move %dx%d => %d" x y m
409 and y = r16s resp 26 in
411 vlog "enter %d %d" x y
416 | 18 -> vlog "unmap";
421 | 12 -> (* exposure *)
425 | 15 -> (* visibility *)
426 let vis = r8 resp 8 in
427 if vis != 2 then state.t#expose
;
428 vlog "visibility %d" vis;
430 | 34 -> (* mapping *)
431 state.keymap
<- [||];
432 let s = getkeymapreq state.mink
(state.maxk
-state.mink
-1) in
433 sendwithrep sock
s (updkmap sock
);
435 | 33 -> (* clientmessage *)
436 let atom = r32 resp 8 in
437 if atom = state.protoatom
439 let atom = r32 resp 12 in
440 if atom = state.deleatom
445 | 21 -> (* reparent *)
448 | 22 -> (* configure *)
452 and h
= r16 resp 22 in
453 vlog "configure cur [%d %d %d %d] conf [%d %d %d %d]"
454 state.x state.y state.w
state.h
458 if w
!= state.w
|| h
!= state.h
469 dolog "event %d %S" n resp
475 if hasdata sock
then loop ();
480 let sendstr s ?
(pos
=0) ?
(len=String.length
s) sock
=
481 sendstr1 s pos
len sock
;
482 if hasdata sock
then readresp sock
;
488 let s = "wwuuhhuu" in
491 let s = configurewindowreq state.idbase
0x000c s in
492 sendstr s state.sock
;
493 else state.fullscreen
state.idbase
496 let syncsendwithrep sock secstowait
s f
=
497 let completed = ref false in
498 sendwithrep sock
s (fun resp -> f
resp; completed := true);
499 let now = Unix.gettimeofday
in
500 let deadline = now () +. secstowait
in
501 let rec readtillcompletion () =
502 let r, _
, _
= Unix.select
[sock
] [] [] (deadline -. now ()) in
504 | [] -> error "didn't get X response in %f seconds, aborting" secstowait
508 then readtillcompletion ()
510 readtillcompletion ();
513 let syncsendintern sock secstowait
s onlyifexists f
=
514 let s = internreq s onlyifexists
in
515 syncsendwithrep sock secstowait
s f
;
518 let setup sock screennum w h
=
519 let s = readstr sock
2 in
520 let n = String.length
s in
522 then error "failed to read X connection setup response n=%d" n;
525 let reasonlen = r8 s 1 in
526 let s = readstr sock
6 in
531 let data = readstr sock
len in
532 let reason = String.sub
data 0 reasonlen in
533 error "X connection failed maj=%d min=%d reason=%S"
536 | '
\002'
-> failwith
"X connection setup failed: authentication required";
539 let s = readstr sock
38 in
543 and idbase
= r32 s 10
544 and idmask
= r32 s 14
546 and screens
= r8 s 26
547 and formats
= r8 s 27
549 and maxkk
= r8 s 33 in
550 let data = readstr sock
(4*add
-32) in
551 let vendor = String.sub
data 0 vlen
in
552 let pos = ((vlen
+3) land lnot
3) + formats
*8 in
554 if screennum
>= screens
555 then error "invalid screen %d, max %d" screennum
(screens
-1);
559 let rec findscreen n pos = if n = screennum
then pos else
561 let ndepths = r8 s (pos+39) in
562 let rec skipdepths n pos = if n = ndepths then pos else
564 let nvisiuals = r16 s (pos+2) in
565 pos + nvisiuals*24 + 8
569 skipdepths n (pos+40)
575 let root = r32 data pos in
576 let rootw = r16 data (pos+20)
577 and rooth
= r16 data (pos+22) in
580 state.idbase
<- idbase
;
581 vlog "vendor = %S, maj=%d min=%d" vendor maj min
;
582 vlog "screens = %d formats = %d" screens formats
;
583 vlog "minkk = %d maxkk = %d" minkk maxkk
;
584 vlog "idbase = %#x idmask = %#x" idbase idmask
;
585 vlog "root=%#x %dx%d" root rootw rooth
;
588 + 0x00000001 (* KeyPress *)
589 (* + 0x00000002 *) (* KeyRelease *)
590 + 0x00000004 (* ButtonPress *)
591 + 0x00000008 (* ButtonRelease *)
592 + 0x00000010 (* EnterWindow *)
593 + 0x00000020 (* LeaveWindow *)
594 + 0x00000040 (* PointerMotion *)
595 (* + 0x00000080 *) (* PointerMotionHint *)
596 (* + 0x00000100 *) (* Button1Motion *)
597 (* + 0x00000200 *) (* Button2Motion *)
598 (* + 0x00000400 *) (* Button3Motion *)
599 (* + 0x00000800 *) (* Button4Motion *)
600 (* + 0x00001000 *) (* Button5Motion *)
601 + 0x00002000 (* ButtonMotion *)
602 (* + 0x00004000 *) (* KeymapState *)
603 + 0x00008000 (* Exposure *)
604 + 0x00010000 (* VisibilityChange *)
605 + 0x00020000 (* StructureNotify *)
606 (* + 0x00040000 *) (* ResizeRedirect *)
607 (* + 0x00080000 *) (* SubstructureNotify *)
608 (* + 0x00100000 *) (* SubstructureRedirect *)
609 (* + 0x00200000 *) (* FocusChange *)
610 (* + 0x00400000 *) (* PropertyChange *)
611 (* + 0x00800000 *) (* ColormapChange *)
612 (* + 0x01000000 *) (* OwnerGrabButton *)
614 let wid = state.idbase
in
615 let s = createwindowreq wid root 0 0 w h
0 mask in
618 sendintern sock
"WM_PROTOCOLS" false (fun resp ->
619 state.protoatom
<- r32 resp 8;
620 sendintern sock
"WM_DELETE_WINDOW" false (fun resp ->
621 state.deleatom
<- r32 resp 8;
622 let s = s32 state.deleatom
in
623 let s = changepropreq wid state.protoatom
4 32 s in
628 syncsendintern sock
2.0 "WM_CLASS" false (fun resp ->
629 let atom = r32 resp 8 in
630 let llpp = "llpp\000llpp\000" in
631 let s = changepropreq wid atom 31 8 llpp in
635 let s = mapreq wid in
638 let s = getkeymapreq state.mink
(state.maxk
-state.mink
) in
639 sendwithrep sock
s (updkmap sock
);
641 let s = openfontreq (wid+1) "cursor" in
644 Array.iteri
(fun i glyphindex
->
645 let s = createglyphcursorreq (wid+1) (wid+2+i) glyphindex
in
647 ) [|34;48;50;58;128;152|];
649 sendintern sock
"UTF8_STRING" true (fun resp ->
650 let atom = r32 resp 8 in
652 then state.stringatom
<- atom;
656 let s = changepropreq state.idbase
39 state.stringatom
8 s in
657 sendstr s state.sock
;
659 state.setwmname <- setwmname;
660 sendintern sock
"_NET_WM_NAME" true (fun resp ->
661 let atom = r32 resp 8 in
663 then state.setwmname <- (fun s ->
665 let s = changepropreq state.idbase
atom state.stringatom
8 s in
666 sendstr s state.sock
;
670 state.fullscreen
<- (fun wid ->
671 let s = "xxuuyyuuwwuuhhuu" in
678 let s = configurewindowreq wid 0x000f s in
679 sendstr s state.sock
;
680 state.fs
<- Fs
(state.x, state.y, state.w
, state.h
);
687 let s = configurewindowreq wid 0x000f s in
688 sendstr s state.sock
;
692 sendintern sock
"_NET_WM_STATE" true (fun resp ->
693 let nwmsatom = r32 resp 8 in
696 sendintern sock
"_NET_WM_STATE_FULLSCREEN" true (fun resp ->
697 let fsatom = r32 resp 8 in
702 let data = String.make
20 '
\000'
in
705 | NoFs
-> Fs
(-1, -1, -1, -1), 1
711 let cm = clientmessage 32 0 wid nwmsatom data in
712 let s = sendeventreq 0 root 0x180000 cm in
718 let s = getgeometryreq wid in
719 syncsendwithrep sock
2.0 s (fun resp ->
722 and h
= r16 resp 18 in
728 error "unknown conection setup response %d" (Char.code c
)
731 let getauth haddr dnum
=
733 if haddr = "localhost" || String.length
haddr = 0
735 try Unix.gethostname
()
737 dolog "failed to resolve `%S': %s" haddr (exntos exn
);
742 try Sys.getenv
"XAUTHORITY"
744 try Filename.concat
(Sys.getenv
"HOME") ".Xauthority"
748 let input_string ic
len =
749 let s = String.create
len in
750 really_input ic
s 0 len;
754 let rb pos = Char.code (String.get
s pos) in
755 (rb 1) lor ((rb 0) lsl 8)
759 let s = input_string ic
2 in
763 let family = input_string ic
2 in
767 try Some
(int_of_string
nums)
770 "display number(%S) is not an integer (corrupt %S?): %s"
771 nums path (exntos exn
);
777 vlog "family %S addr %S(%S) num %S(%d) name %S data %S"
778 family addr haddr nums dnum
name data;
780 | Some num
when addr = haddr && num
= dnum
->
787 | End_of_file
-> "", ""
789 dolog "exception while reading X authority data (%S): %s"
798 if String.length
path = 0
800 else Some
(open_in_bin
path)
802 if Sys.file_exists
path
804 dolog "failed to open X authority file `%S' : %s"
810 | Some ic
-> readauth ic
815 try Sys.getenv
"DISPLAY"
817 error "could not get DISPLAY evironment variable: %s"
822 then error "invalid DISPLAY(%s) %S" w d
824 let s = String.sub
d b (e
- b) in
827 error "invalid DISPLAY %S can not parse %s(%S): %s"
831 if pos = String.length
d
832 then error "invalid DISPLAY %S no display number specified" d
836 let rec pdispnum pos1
=
837 if pos1
= String.length
d
838 then getnum "display number" (pos+1) pos1
, 0
842 let dispnum = getnum "display number" (pos+1) pos1
in
843 let rec pscreennum pos2
=
844 if pos2
= String.length
d
845 then getnum "screen number" (pos1
+1) pos2
848 | '
0'
.. '
9'
-> pscreennum (pos2
+1)
850 error "invalid DISPLAY %S, cannot parse screen number" d
852 dispnum, pscreennum (pos1
+1)
853 | '
0'
.. '
9'
-> pdispnum (pos1
+1)
855 error "invalid DISPLAY %S, cannot parse display number" d
857 String.sub
d 0 pos, pdispnum (pos+1)
861 let host, (dispnum, screennum
) = phost 0 in
862 let aname, adata
= getauth host dispnum in
865 if osx
|| String.length
host = 0 || host = "unix"
869 then Unix.ADDR_UNIX
d
870 else Unix.ADDR_UNIX
("/tmp/.X11-unix/X" ^ string_of_int
dispnum)
872 let fd = Unix.socket
Unix.PF_UNIX
Unix.SOCK_STREAM
0 in
876 try Unix.gethostbyname
host
878 error "cannot resolve %S: %s" host (exntos exn
)
880 let addr = h.Unix.h_addr_list
.(0) in
881 let port = 6000 + dispnum in
882 let fd = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
883 fd, (Unix.ADDR_INET
(addr, port))
885 try Unix.connect
fd addr; fd
887 error "failed to connect to X: %s" (exntos exn
)
890 let s = "luMMmmnndduu" in
891 let s = padcat s aname in
892 let s = padcat s adata
in
895 w16 s 6 (String.length
aname);
896 w16 s 8 (String.length adata
);
897 sendstr1 s 0 (String.length
s) fd;
899 setup fd screennum
w h;
901 fd, state.w, state.h;
908 let setcursor cursor
=
909 if cursor
!= state.curcurs
913 | CURSOR_INHERIT
-> -1
916 | CURSOR_CROSSHAIR
-> 0
919 let s = s32 (if n = -1 then 0 else state.idbase
+2+n) in
920 let s = changewindowattributesreq state.idbase
(*cursor*)0x4000 s in
921 sendstr s state.sock
;
922 state.curcurs
<- cursor
;
926 state.fullscreen state.idbase
;
929 let metamask = 0x40;;
934 let withalt mask = mask land altmask != 0;;
935 let withctrl mask = mask land ctrlmask != 0;;
936 let withshift mask = mask land shiftmask != 0;;
937 let withmeta mask = mask land metamask != 0;;
938 let withnone mask = mask land (altmask + ctrlmask + shiftmask + metamask) = 0;;
941 let t = Hashtbl.create
20
942 and f
= Hashtbl.create
20 in
944 List.iter
(fun s -> Hashtbl.add t s k) (n::nl
);
948 let s = String.create
1 in
950 add s [] (Char.code c
)
953 let an = Char.code a
and bn
= Char.code b in
954 for i = an to bn
do addc (Char.chr
i) done;
959 String.iter
addc "`~!@#$%^&*()-_=+\\|[{]};:,./<>?";
960 for i = 0 to 29 do add ("f" ^ string_of_int
(i+1)) [] (0xffbe + i) done;
962 add "ret" ["return"; "enter"] 0xff0d;
964 add "left" [] 0xff51;
965 add "right" [] 0xff53;
966 add "home" [] 0xff50;
968 add "ins" ["insert"] 0xff63;
969 add "del" ["delete"] 0xffff;
970 add "esc" ["escape"] 0xff1b;
971 add "pgup" ["pageup"] 0xff55;
972 add "pgdown" ["pagedown"] 0xff56;
973 add "backspace" [] 0xff08;
975 add "down" [] 0xff54;
980 try Hashtbl.find xlatf
k
981 with Not_found
-> Printf.sprintf
"%#x" k;
985 try Hashtbl.find xlatt name
987 if String.length
name = 1
988 then Char.code name.[0]
989 else int_of_string
name;