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 w8 s 1 (if onlyifexists
then 1 else 0);
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 mapwindowreq wid
=
294 let s = "\008u\002\000wwww" in
299 let changewindowattributesreq wid mask attrs
=
300 let s = "\002ullwwwwmmmm" in
301 let s = padcat s attrs
in
302 w16 s 2 (String.length
s / 4);
308 let configurewindowreq wid mask values
=
309 let s = "\012ullwwwwmmuu" in
310 let s = padcat s values
in
311 w16 s 2 (String.length
s / 4);
323 let clientmessage format seq wid typ
data =
324 let s = "\033fsswwwwtttt" in
325 let s = padcat s data in
333 let sendeventreq propagate destwid mask
data =
334 let s = "\025p\011\000wwwwmmmm" in
335 let s = padcat s data in
342 let getkeysym code mask
=
343 let index = (mask
land 1) lxor ((mask
land 2) lsr 1) in
344 let keysym = state.keymap
.(code
-state.mink
).(index) in
345 if index = 1 && keysym = 0
346 then state.keymap
.(code
-state.mink
).(0)
350 let rec readresp sock
=
351 let resp = readstr sock
32 in
352 let opcode = r8 resp 0 in
353 match opcode land lnot
0x80 with
358 and resid
= r32 resp 4
361 error "code=%d serial=%d resid=%#x min=%d maj=%d\n%S"
362 code serial resid min maj
resp;
364 | 1 -> (* response *)
365 let rep = Queue.pop
state.fifo
in
368 | 2 -> (* key press *)
369 if Array.length
state.keymap
> 0
371 let code = r8 resp 1 in
372 let mask = r16 resp 28 in
373 let keysym = getkeysym code mask in
374 vlog "keysym = %x %c" keysym (Char.unsafe_chr
keysym);
375 state.t#key
keysym mask;
377 | 3 -> (* key release *)
378 if Array.length
state.keymap
> 0
380 let code = r8 resp 1 in
381 let mask = r16 resp 28 in
382 let keysym = getkeysym code mask in
383 vlog "release keysym = %x %c mask %#x"
384 keysym (Char.unsafe_chr
keysym) mask
386 | 4 -> (* buttonpress *)
390 and m = r16 resp 28 in
391 state.t#mouse
n true x y
m;
394 | 5 -> (* buttonrelease *)
398 and m = r16 resp 28 in
399 state.t#mouse
n false x y
m;
400 vlog "release %d %d %d" n x y
403 let x = r16s resp 24 in
404 let y = r16s resp 26 in
405 let m = r16 resp 28 in
407 then state.t#pmotion
x y
408 else state.t#motion
x y;
409 vlog "move %dx%d => %d" x y m
413 and y = r16s resp 26 in
415 vlog "enter %d %d" x y
420 | 18 -> vlog "unmap";
425 | 12 -> (* exposure *)
429 | 15 -> (* visibility *)
430 let vis = r8 resp 8 in
431 if vis != 2 then state.t#expose
;
432 vlog "visibility %d" vis;
434 | 34 -> (* mapping *)
435 state.keymap
<- [||];
436 let s = getkeymapreq state.mink
(state.maxk
-state.mink
-1) in
437 sendwithrep sock
s (updkmap sock
);
439 | 33 -> (* clientmessage *)
440 let atom = r32 resp 8 in
441 if atom = state.protoatom
443 let atom = r32 resp 12 in
444 if atom = state.deleatom
449 | 21 -> (* reparent *)
452 | 22 -> (* configure *)
456 and h
= r16 resp 22 in
457 vlog "configure cur [%d %d %d %d] conf [%d %d %d %d]"
458 state.x state.y state.w
state.h
462 if w
!= state.w
|| h
!= state.h
473 dolog "event %d %S" n resp
479 if hasdata sock
then loop ();
484 let sendstr s ?
(pos
=0) ?
(len=String.length
s) sock
=
485 sendstr1 s pos
len sock
;
486 if hasdata sock
then readresp sock
;
490 let b = Buffer.create
16 in
491 String.iter
(fun c
->
492 Buffer.add_string
b (Printf.sprintf
"%02x" (Char.code c
))) s;
499 let s = "wwuuhhuu" in
502 let s = configurewindowreq state.idbase
0x000c s in
503 sendstr s state.sock
;
504 else state.fullscreen
state.idbase
507 let setup sock screennum w h
=
508 let s = readstr sock
2 in
509 let n = String.length
s in
511 then error "failed to read X connection setup response n=%d" n;
514 let reasonlen = r8 s 1 in
515 let s = readstr sock
6 in
520 let data = readstr sock
len in
521 let reason = String.sub
data 0 reasonlen in
522 error "X connection failed maj=%d min=%d reason=%S"
525 | '
\002'
-> failwith
"X connection setup failed: authentication required";
528 let s = readstr sock
38 in
532 and idbase
= r32 s 10
533 and idmask
= r32 s 14
535 and screens
= r8 s 26
536 and formats
= r8 s 27
538 and maxkk
= r8 s 33 in
539 let data = readstr sock
(4*add
-32) in
540 let vendor = String.sub
data 0 vlen
in
541 let pos = ((vlen
+3) land lnot
3) + formats
*8 in
543 if screennum
>= screens
544 then error "invalid screen %d, max %d" screennum
(screens
-1);
548 let rec findscreen n pos = if n = screennum
then pos else
550 let ndepths = r8 s (pos+39) in
551 let rec skipdepths n pos = if n = ndepths then pos else
553 let nvisiuals = r16 s (pos+2) in
554 pos + nvisiuals*24 + 8
558 skipdepths n (pos+40)
564 let root = r32 data pos in
565 let rootw = r16 data (pos+20)
566 and rooth
= r16 data (pos+22) in
569 state.idbase
<- idbase
;
570 vlog "vendor = %S, maj=%d min=%d" vendor maj min
;
571 vlog "screens = %d formats = %d" screens formats
;
572 vlog "minkk = %d maxkk = %d" minkk maxkk
;
573 vlog "idbase = %#x idmask = %#x" idbase idmask
;
574 vlog "root=%#x %dx%d" root rootw rooth
;
577 + 0x00000001 (* KeyPress *)
578 (* + 0x00000002 *) (* KeyRelease *)
579 + 0x00000004 (* ButtonPress *)
580 + 0x00000008 (* ButtonRelease *)
581 + 0x00000010 (* EnterWindow *)
582 + 0x00000020 (* LeaveWindow *)
583 + 0x00000040 (* PointerMotion *)
584 (* + 0x00000080 *) (* PointerMotionHint *)
585 (* + 0x00000100 *) (* Button1Motion *)
586 (* + 0x00000200 *) (* Button2Motion *)
587 (* + 0x00000400 *) (* Button3Motion *)
588 (* + 0x00000800 *) (* Button4Motion *)
589 (* + 0x00001000 *) (* Button5Motion *)
590 + 0x00002000 (* ButtonMotion *)
591 (* + 0x00004000 *) (* KeymapState *)
592 + 0x00008000 (* Exposure *)
593 + 0x00010000 (* VisibilityChange *)
594 + 0x00020000 (* StructureNotify *)
595 (* + 0x00040000 *) (* ResizeRedirect *)
596 (* + 0x00080000 *) (* SubstructureNotify *)
597 (* + 0x00100000 *) (* SubstructureRedirect *)
598 (* + 0x00200000 *) (* FocusChange *)
599 (* + 0x00400000 *) (* PropertyChange *)
600 (* + 0x00800000 *) (* ColormapChange *)
601 (* + 0x01000000 *) (* OwnerGrabButton *)
603 let wid = state.idbase
in
604 let s = createwindowreq wid root 0 0 w h
0 mask in
607 let s = mapreq wid in
610 let s = getkeymapreq state.mink
(state.maxk
-state.mink
) in
611 sendwithrep sock
s (updkmap sock
);
613 sendintern sock
"WM_PROTOCOLS" false (fun resp ->
614 state.protoatom
<- r32 resp 8;
615 sendintern sock
"WM_DELETE_WINDOW" false (fun resp ->
616 state.deleatom
<- r32 resp 8;
617 let s = s32 state.deleatom
in
618 let s = changepropreq wid state.protoatom
4 32 s in
623 sendintern sock
"WM_CLASS" false (fun resp ->
624 let atom = r32 resp 8 in
625 let llpp = "llpp\000llpp\000" in
626 let s = changepropreq wid atom 31 8 llpp in
630 let s = openfontreq (wid+1) "cursor" in
633 Array.iteri
(fun i glyphindex
->
634 let s = createglyphcursorreq (wid+1) (wid+2+i) glyphindex
in
636 ) [|34;48;50;58;128;152|];
638 sendintern sock
"UTF8_STRING" true (fun resp ->
639 let atom = r32 resp 8 in
641 then state.stringatom
<- atom;
645 let s = changepropreq state.idbase
39 state.stringatom
8 s in
646 sendstr s state.sock
;
648 state.setwmname <- setwmname;
649 sendintern sock
"_NET_WM_NAME" true (fun resp ->
650 let atom = r32 resp 8 in
652 then state.setwmname <- (fun s ->
654 let s = changepropreq state.idbase
atom state.stringatom
8 s in
655 sendstr s state.sock
;
659 state.fullscreen
<- (fun wid ->
660 let s = "xxuuyyuuwwuuhhuu" in
667 let s = configurewindowreq wid 0x000f s in
668 sendstr s state.sock
;
669 state.fs
<- Fs
(state.x, state.y, state.w
, state.h
);
676 let s = configurewindowreq wid 0x000f s in
677 sendstr s state.sock
;
681 sendintern sock
"_NET_WM_STATE" true (fun resp ->
682 let nwmsatom = r32 resp 8 in
685 sendintern sock
"_NET_WM_STATE_FULLSCREEN" true (fun resp ->
686 let fsatom = r32 resp 8 in
691 let data = String.make
20 '
\000'
in
694 | NoFs
-> Fs
(-1, -1, -1, -1), 1
700 let cm = clientmessage 32 0 wid nwmsatom data in
701 let s = sendeventreq 0 root 0x180000 cm in
707 let s = getgeometryreq wid in
708 let completed = ref false in
709 sendwithrep sock
s (fun resp ->
712 and h
= r16 resp 18 in
717 let now = Unix.gettimeofday
in
718 let deadline = now () +. 2.0 in
719 let rec readtillcompletion () =
720 let r, _
, _
= Unix.select
[sock
] [] [] (deadline -. now ()) in
722 | [] -> readtillcompletion ()
726 then readtillcompletion ()
728 readtillcompletion ();
731 error "unknown conection setup response %d" (Char.code c
)
734 let getauth haddr dnum
=
736 if haddr = "localhost" || String.length
haddr = 0
738 try Unix.gethostname
()
740 dolog "failed to resolve `%S': %s" haddr (exntos exn
);
745 let input_string ic
len =
746 let s = String.create
len in
747 really_input ic
s 0 len;
751 let rb pos = Char.code (String.get
s pos) in
752 (rb 1) lor ((rb 0) lsl 8)
756 let s = input_string ic
2 in
760 let family = input_string ic
2 in
763 let num = int_of_string
nums in
767 vlog "family %S addr %S(%S) num %d(%d) name %S data %S"
768 family addr haddr num dnum
name data;
769 if addr = haddr && num = dnum
774 try find () with _
-> "", ""
780 try Sys.getenv
"XAUTHORITY"
782 try Filename.concat
(Sys.getenv
"HOME") ".Xauthority"
787 if String.length
path = 0
789 else Some
(open_in_bin
path)
791 if Sys.file_exists
path
793 dolog "failed to open X authority file `%S' : %s"
799 | Some ic
-> readauth ic
804 try Sys.getenv
"DISPLAY"
806 error "could not get DISPLAY evironment variable: %s"
811 then error "invalid DISPLAY(%s) %S" w d
813 let s = String.sub
d b (e
- b) in
816 error "invalid DISPLAY %S can not parse %s(%S): %s"
820 if pos = String.length
d
821 then String.sub
d 0 pos, (0, 0)
825 let rec pdispnum pos1
=
826 if pos1
= String.length
d
827 then getnum "display number" (pos+1) pos1
, 0
831 let dispnum = getnum "display number" (pos+1) pos1
in
832 let rec pscreennum pos2
=
833 if pos2
= String.length
d
834 then getnum "screen number" (pos1
+1) pos2
837 | '
0'
.. '
9'
-> pscreennum (pos2
+1)
839 error "invalid DISPLAY %S, cannot parse screen number" d
841 dispnum, pscreennum (pos1
+1)
842 | '
0'
.. '
9'
-> pdispnum (pos1
+1)
844 error "invalid DISPLAY %S, cannot parse display number" d
846 String.sub
d 0 pos, pdispnum (pos+1)
850 let host, (dispnum, screennum
) = phost 0 in
851 let aname, adata
= getauth host dispnum in
854 if osx
|| String.length
host = 0 || host = "unix"
858 then Unix.ADDR_UNIX
d
859 else Unix.ADDR_UNIX
("/tmp/.X11-unix/X" ^ string_of_int
dispnum)
861 let fd = Unix.socket
Unix.PF_UNIX
Unix.SOCK_STREAM
0 in
865 try Unix.gethostbyname
host
867 error "cannot resolve %S: %s" host (exntos exn
)
869 let addr = h.Unix.h_addr_list
.(0) in
870 let port = 6000 + dispnum in
871 let fd = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
872 fd, (Unix.ADDR_INET
(addr, port))
874 try Unix.connect
fd addr; fd
876 error "failed to connect to X: %s" (exntos exn
)
879 let s = "luMMmmnndduu" in
880 let s = padcat s aname in
881 let s = padcat s adata
in
884 w16 s 6 (String.length
aname);
885 w16 s 8 (String.length adata
);
886 sendstr1 s 0 (String.length
s) fd;
888 setup fd screennum
w h;
890 fd, state.w, state.h;
897 let setcursor cursor
=
898 if cursor
!= state.curcurs
902 | CURSOR_INHERIT
-> -1
905 | CURSOR_CROSSHAIR
-> 0
908 let s = s32 (if n = -1 then 0 else state.idbase
+2+n) in
909 let s = changewindowattributesreq state.idbase
(*cursor*)0x4000 s in
910 sendstr s state.sock
;
911 state.curcurs
<- cursor
;
915 state.fullscreen state.idbase
;
918 let metamask = 0x40;;
923 let withalt mask = mask land altmask != 0;;
924 let withctrl mask = mask land ctrlmask != 0;;
925 let withshift mask = mask land shiftmask != 0;;
926 let withmeta mask = mask land metamask != 0;;
927 let withnone mask = mask land (altmask + ctrlmask + shiftmask + metamask) = 0;;
930 let t = Hashtbl.create
20
931 and f
= Hashtbl.create
20 in
933 List.iter
(fun s -> Hashtbl.add t s k) (n::nl
);
937 let s = String.create
1 in
939 add s [] (Char.code c
)
942 let an = Char.code a
and bn
= Char.code b in
943 for i = an to bn
do addc (Char.chr
i) done;
948 String.iter
addc "`~!@#$%^&*()-_=+\\|[{]};:,./<>?";
949 for i = 0 to 29 do add ("f" ^ string_of_int
(i+1)) [] (0xffbe + i) done;
951 add "ret" ["return"; "enter"] 0xff0d;
953 add "left" [] 0xff51;
954 add "right" [] 0xff53;
955 add "home" [] 0xff50;
957 add "ins" ["insert"] 0xff63;
958 add "del" ["delete"] 0xffff;
959 add "esc" ["escape"] 0xff1b;
960 add "pgup" ["pageup"] 0xff55;
961 add "pgdown" ["pagedown"] 0xff56;
962 add "backspace" [] 0xff08;
964 add "down" [] 0xff54;
969 try Hashtbl.find xlatf
k
970 with Not_found
-> Printf.sprintf
"%#x" k;
974 try Hashtbl.find xlatt name
976 if String.length
name = 1
977 then Char.code name.[0]
978 else int_of_string
name;