llpp/wsi/x11/wsi.ml

1204 lines
33 KiB
OCaml

open Utils
let (~>) = Bytes.unsafe_of_string
type cursor =
| CURSOR_INHERIT
| CURSOR_INFO
| CURSOR_CYCLE
| CURSOR_FLEUR
| CURSOR_TEXT
type winstate =
| MaxVert
| MaxHorz
| Fullscreen
type visiblestate =
| Unobscured
| PartiallyObscured
| FullyObscured
type wid = int and screenno = int and vid = int
external glxinit : string -> wid -> screenno -> vid = "ml_glxinit"
external glxcompleteinit : unit -> unit = "ml_glxcompleteinit"
external swapb : unit -> unit = "ml_swapb"
external setcursor : cursor -> unit = "ml_setcursor"
class type t =
object
method display : unit
method map : bool -> unit
method expose : unit
method visible : visiblestate -> unit
method reshape : int -> int -> unit
method mouse : int -> bool -> int -> int -> int -> unit
method motion : int -> int -> unit
method pmotion : int -> int -> unit
method key : int -> int -> unit
method enter : int -> int -> unit
method leave : unit
method winstate : winstate list -> unit
method quit : 'a. 'a
method scroll : int -> int -> unit
method zoom : float -> int -> int -> unit
method opendoc : string -> unit
end
module S = struct
type fs =
| NoFs
| Fs of (int * int * int * int)
let mink = ref max_int
let maxk = ref min_int
let keymap = ref E.a
let fifo = ref (Queue.create ())
let seq = ref 0
let protoatom = ref ~-1
let deleatom = ref ~-1
let nwmsatom = ref ~-1
let maxvatom = ref ~-1
let maxhatom = ref ~-1
let fulsatom = ref ~-1
let idbase = ref ~-1
let wid = ref ~-1
let fid = ref ~-1
let fullscreen = ref (fun _ -> ())
let setwmname = ref (fun _ -> ())
let actwin = ref (fun _ -> ())
let sock = ref Unix.stdin
let x = ref ~-1
let y = ref ~-1
let w = ref ~-1
let h = ref ~-1
let fs = ref NoFs
let stringatom = ref 31
let curcurs = ref CURSOR_TEXT
let capslmask = ref 0
let numlmask = ref 0
let levl3mask = ref 0
let levl5mask = ref 0
let xkb = ref false
let fscale = ref 1.0
let t = ref (object
method display = ()
method map (_:bool) = ()
method expose = ()
method visible (_:visiblestate) = ()
method reshape (_:int) (_:int) = ()
method mouse (_:int) (_:bool) (_:int) (_:int) (_:int) = ()
method motion (_:int) (_:int) = ()
method pmotion (_:int) (_:int) = ()
method key (_:int) (_:int) = ()
method enter (_:int) (_:int) = ()
method leave = ()
method winstate (_:winstate list) = ()
method quit : 'a. 'a = exit 0
method scroll (_:int) (_:int) = ()
method zoom (_:float) (_:int) (_:int) = ()
method opendoc (_:string) = ()
end)
end
let settitle s = !S.setwmname (~> s)
let fullscreen () = !S.fullscreen !S.wid
let fontsizescale n = float n *. !S.fscale |> truncate
let ordermagic = 'l'
let metamask = 0x40
let altmask = 8
let shiftmask = 1
let ctrlmask = 4
let withalt mask = mask land altmask != 0
let withctrl mask = mask land ctrlmask != 0
let withshift mask = mask land shiftmask != 0
let withmeta mask = mask land metamask != 0
let withnone mask = mask land (altmask + ctrlmask + shiftmask + metamask) = 0
let makereq opcode len reqlen =
let s = Bytes.create len in
w8 s 0 opcode;
w16 s 2 reqlen;
s
let readstr sock n =
let s = Bytes.create n in
let rec loop pos n =
let m = tempfailureretry (Unix.read sock s pos) n in
if m = 0
then !S.t#quit;
if n != m
then (
ignore (tempfailureretry (Unix.select [sock] [] []) 0.01);
loop (pos + m) (n - m)
)
in
loop 0 n;
s
let sendstr1 s pos len sock =
let s = Bytes.unsafe_to_string s in
vlog "%d <= %S" !S.seq s;
S.seq := !S.seq + 1;
let n = tempfailureretry (Unix.write_substring sock s pos) len in
if n != len
then error "send %d returned %d" len n
let updkmap sock resp =
let syms = r8 resp 1 in
let len = r32 resp 4 in
let data =
if len > 0
then readstr sock (4*len)
else E.b
in
let m = len / syms in
S.keymap := Array.make_matrix !S.maxk syms 0xffffff;
let rec loop i =
if i != m
then
let k = i*4*syms in
let rec loop2 k l =
if l != syms
then
let v = r32 data k in
!S.keymap.(i).(l) <- v;
loop2 (k+4) (l+1)
in
loop2 k 0;
loop (i+1);
in
loop 0
let updmodmap sock resp =
let n = r8 resp 1 in
let len = r16 resp 4 in
let data =
if len > 0
then readstr sock (len*4)
else E.b
in
if len > 0
then (*???*)
let modmap = Array.make_matrix 8 n 0xffffff in
let rec loop l =
if l != 8
then
let p = l*n in
let rec loop1 m =
if m != n
then
let p = p+m in
let code = r8 data p in
modmap.(l).(m) <- code;
if l = 1
then (
let ki = code - !S.mink in
if ki >= 0
then
let a = !S.keymap.(ki) in
let rec capsloop i =
if not (i = Array.length a || i > 3)
then
let s = a.(i) in
if s = 0xffe5
then S.capslmask := 2
else capsloop (i+1)
in
capsloop 0;
)
else (
if l > 3
then
let ki = code - !S.mink in
if ki >= 0
then
let a = !S.keymap.(ki) in
let rec lloop i =
if not (i = Array.length a || i > 3)
then
let s = a.(i) in
match s with
| 0xfe03 -> S.levl3mask := 1 lsl l
| 0xfe11 -> S.levl5mask := 1 lsl l
| 0xff7f -> S.numlmask := 1 lsl l
| _ -> lloop (i+1)
in
lloop 0;
);
loop1 (m+1)
in
loop1 0;
loop (l+1)
in
loop 0
let sendwithrep sock s f =
Queue.push f !S.fifo;
sendstr1 s 0 (Bytes.length s) sock
let padcat b1 b2 =
let l1 = Bytes.length b1 and l2 = Bytes.length b2 in
let l = (l1 + l2) land 3 in
let pl = if l > 0 then 4 - l else 0 in
let b = Bytes.create (l1 + l2 + pl) in
Bytes.blit b1 0 b 0 l1;
Bytes.blit b2 0 b l1 l2;
b
let internreq name onlyifexists =
let s = makereq 16 8 8 in
let s = padcat s name in
w8 s 1 (if onlyifexists then 1 else 0);
w16 s 2 (Bytes.length s / 4);
w16 s 4 (Bytes.length name);
s
let sendintern sock s onlyifexists f =
let s = internreq s onlyifexists in
sendwithrep sock s f
let createwindowreq wid parent x y w h bw eventmask vid depth mid =
let s = makereq 1 44 11 in
w8 s 1 depth;
w32 s 4 wid;
w32 s 8 parent;
w16 s 12 x;
w16 s 14 y;
w16 s 16 w;
w16 s 18 h;
w16 s 20 bw;
w16 s 22 0; (* copyfromparent *)
w32 s 24 vid; (* visual *)
w32 s 28 0x2808; (* valuemask =
| border pixel
| event mask
| colormap *)
w32 s 32 0; (* border pixel*)
w32 s 36 eventmask;
w32 s 40 mid;
s
let createcolormapreq mid wid vid =
let s = makereq 78 16 4 in
w8 s 1 0;
w32 s 4 mid;
w32 s 8 wid;
w32 s 12 vid;
s
let getgeometryreq wid =
let s = makereq 14 8 2 in
w32 s 4 wid;
s
let mapreq wid =
let s = makereq 8 8 2 in
w32 s 4 wid;
s
let getkeymapreq first count =
let s = makereq 101 8 2 in
w8 s 4 first;
w8 s 5 count;
s
let changepropreq wid prop typ format props =
let s = makereq 18 24 0 in
let s = padcat s props in
w8 s 1 0;
w16 s 2 (Bytes.length s / 4);
w32 s 4 wid;
w32 s 8 prop;
w32 s 12 typ;
w8 s 16 format;
let ful = Bytes.length props / (match format with
| 8 -> 1
| 16 -> 2
| 32 -> 4
| n -> error "no idea what %d means" n)
in
w32 s 20 ful;
s
let getpropreq delete wid prop typ =
let s = makereq 20 24 6 in
w8 s 1 (if delete then 1 else 0);
w32 s 4 wid;
w32 s 8 prop;
w32 s 12 typ;
w32 s 16 0;
w32 s 20 2;
s
let configurewindowreq wid mask values =
let s = makereq 12 12 0 in
let s = padcat s values in
w16 s 2 (Bytes.length s / 4);
w32 s 4 wid;
w16 s 8 mask;
s
let s32 n =
let s = Bytes.create 4 in
w32 s 0 n;
s
let clientmessage format seq wid typ data =
let s = makereq 33 12 0 in
let s = padcat s data in
w8 s 1 format;
w16 s 2 seq;
w32 s 4 wid;
w32 s 8 typ;
s
let sendeventreq propagate destwid mask data =
let s = makereq 25 12 11 in
let s = padcat s data in
w8 s 1 propagate;
w16 s 2 11;
w32 s 4 destwid;
w32 s 8 mask;
s
let getmodifiermappingreq () =
makereq 119 4 1
let queryextensionreq name =
let s = makereq 98 8 0 in
let s = padcat s name in
w16 s 2 (Bytes.length s / 4);
w16 s 4 (Bytes.length name);
s
let getkeysym pkpk code mask =
if (pkpk >= 0xff80 && pkpk <= 0xffbd)
|| (pkpk >= 0x11000000 && pkpk <= 0x1100ffff)
then (
if mask land !S.numlmask != 0
then
let keysym = !S.keymap.(code - !S.mink).(1) in
if keysym = 0 then pkpk else keysym
else pkpk
)
else (
let shift =
if pkpk land 0xf000 = 0xf000
then 0
else (mask land 1) lxor ((mask land !S.capslmask) lsr 1)
in
let index =
if !S.xkb && mask land 0x2000 != 0
then shift + 2
else
let l3 = (mask land !S.levl3mask) != 0 in
let l4 = (mask land !S.levl5mask) != 0 in
shift +
if l3 then (if l4 then 8 else 4) else (if l4 then 6 else 0)
in
let keysym = !S.keymap.(code - !S.mink).(index) in
if index land 1 = 1 && keysym = 0
then !S.keymap.(code - !S.mink).(index - 1)
else keysym
)
let getkeysym code mask =
let pkpk = !S.keymap.(code - !S.mink).(0) in
if !S.xkb && pkpk lsr 8 = 0xfe (* XKB *)
then 0
else getkeysym pkpk code mask
let readresp sock =
let resp = readstr sock 32 in
let opcode = r8 resp 0 in
match opcode land lnot 0x80 with
| 0 -> (* error *)
let s = resp in
let code = r8 s 1
and serial = r16 s 2
and resid = r32 resp 4
and min = r16 s 8
and maj = r8 s 10 in
error "code=%d serial=%d resid=%#x min=%d maj=%d\n%S"
code serial resid min maj (Bytes.unsafe_to_string resp);
| 1 -> (* response *)
let rep = Queue.pop !S.fifo in
rep resp;
| 2 -> (* key press *)
if Array.length !S.keymap > 0
then
let code = r8 resp 1 in
let mask = r16 resp 28 in
let keysym = getkeysym code mask in
vlog "keysym = %x %c mask %#x code %d"
keysym (Char.unsafe_chr keysym) mask code;
if keysym != 0
then !S.t#key keysym mask;
| 3 -> (* key release *)
if Array.length !S.keymap > 0
then
let code = r8 resp 1 in
let mask = r16 resp 28 in
let keysym = getkeysym code mask in
vlog "release keysym = %x %c mask %#x code %d"
keysym (Char.unsafe_chr keysym) mask code;
| 4 -> (* buttonpress *)
let n = r8 resp 1
and x = r16s resp 24
and y = r16s resp 26
and m = r16 resp 28 in
!S.t#mouse n true x y m;
vlog "press %d" n;
| 5 -> (* buttonrelease *)
let n = r8 resp 1
and x = r16s resp 24
and y = r16s resp 26
and m = r16 resp 28 in
!S.t#mouse n false x y m;
vlog "release %d %d %d" n x y;
| 6 -> (* motion *)
let x = r16s resp 24 in
let y = r16s resp 26 in
let m = r16 resp 28 in
if m land 0x1f00 = 0
then !S.t#pmotion x y
else !S.t#motion x y;
vlog "move %dx%d => %d" x y m;
| 7 -> (* enter *)
let x = r16s resp 24
and y = r16s resp 26 in
!S.t#enter x y;
vlog "enter %d %d" x y;
| 8 -> (* leave *)
!S.t#leave;
| 18 -> (* unmap *)
!S.t#map false;
vlog "unmap";
| 19 -> (* map *)
!S.t#map true;
vlog "map";
| 12 -> (* exposure *)
vlog "exposure";
!S.t#expose;
| 15 -> (* visibility *)
let v = r8 resp 8 in
let vis =
match v with
| 0 -> Unobscured
| 1 -> PartiallyObscured
| 2 -> FullyObscured
| _ ->
dolog "unknown visibility %d" v;
Unobscured
in
!S.t#visible vis;
vlog "visibility %d" v;
| 11 -> (* keymapnotify *)
S.keymap := E.a;
let s = getkeymapreq !S.mink (!S.maxk - !S.mink-1) in
sendwithrep sock s (updkmap sock);
S.capslmask := 0;
S.levl3mask := 0;
S.levl5mask := 0;
S.numlmask := 0;
let s = getmodifiermappingreq () in
sendwithrep sock s (updmodmap sock);
| 33 -> (* clientmessage *)
let atom = r32 resp 8 in
if atom = !S.protoatom
then
let atom = r32 resp 12 in
if atom = !S.deleatom
then !S.t#quit;
vlog "atom %#x" atom;
| 21 -> (* reparent *)
vlog "reparent";
| 22 -> (* configure *)
let x = r16s resp 16
and y = r16s resp 18
and w = r16 resp 20
and h = r16 resp 22 in
vlog "configure cur [%d %d %d %d] conf [%d %d %d %d]"
!S.x !S.y !S.w !S.h
x y w h;
if w != !S.w || h != !S.h
then !S.t#reshape w h;
S.w := w;
S.h := h;
S.x := x;
S.y := y;
| 24 -> (* Gravity notify *)
();
| 28 -> (* Property notify *)
let atom = r32 resp 8 in
if atom = !S.nwmsatom
then
let s = getpropreq false !S.wid atom 4 in
sendwithrep sock s (fun resp ->
S.fs := S.NoFs;
let len = r32 resp 4 in
let nitems = r32 resp 16 in
let wsl =
if len = 0
then []
else
let s = readstr sock (len*4) in
let rec loop wsl i =
if i = nitems
then wsl
else
let atom = r32 s (i*4) in
let wsl =
if atom = !S.maxhatom
then MaxHorz::wsl
else (
if atom = !S.maxvatom
then MaxVert::wsl
else (
if atom = !S.fulsatom
then (
S.fs := S.Fs (!S.x, !S.y, !S.w, !S.h);
Fullscreen::wsl
)
else wsl
)
)
in loop wsl (i+1)
in
loop [] 0
in
!S.t#winstate (List.sort compare wsl)
);
| n -> dolog "event %d %S" n (Bytes.unsafe_to_string resp)
let readresp sock =
let rec loop () =
readresp sock;
if hasdata sock then loop ();
in
loop ()
let sendstr s ?(pos=0) ?(len=Bytes.length s) sock =
sendstr1 s pos len sock;
if hasdata sock then readresp sock
let reshape w h =
if !S.fs = S.NoFs
then
let s = Bytes.create 8 in
w32 s 0 w;
w32 s 4 h;
let s = configurewindowreq !S.wid 0x000c s in
sendstr s !S.sock;
else !S.fullscreen !S.wid
let activatewin () =
!S.actwin ()
let syncsendwithrep sock secstowait s f =
let completed = ref false in
sendwithrep sock s (fun resp -> f resp; completed := true);
let now = Unix.gettimeofday in
let deadline = now () +. secstowait in
let rec readtillcompletion () =
let sf deadline =
let timeout = deadline -. now () in
if timeout <= 0.0
then [], [], []
else Unix.select [sock] [] [] timeout
in
let r, _, _ = tempfailureretry sf deadline in
match r with
| [] -> error "didn't get X response in %f seconds, aborting" secstowait
| _ ->
readresp sock;
if not !completed
then readtillcompletion ();
in
readtillcompletion ()
let mapwin () =
let s = mapreq !S.wid in
sendstr s !S.sock
let syncsendintern sock secstowait s onlyifexists f =
let s = internreq s onlyifexists in
syncsendwithrep sock secstowait s f
let setup disp sock rootwid screennum w h =
let s = readstr sock 2 in
let n = Bytes.length s in
if n != 2
then error "failed to read X connection setup response n=%d" n;
match Bytes.get s 0 with
| '\000' ->
let reasonlen = r8 s 1 in
let s = readstr sock 6 in
let maj = r16 s 0
and min = r16 s 2
and add = r16 s 4 in
let len = add*4 in
let data = readstr sock len in
let reason = Bytes.sub data 0 reasonlen in
error "X connection failed maj=%d min=%d reason=%S"
maj min (Bytes.unsafe_to_string reason);
| '\002' -> error "X connection setup failed: authentication required";
| '\001' ->
let s = readstr sock 38 in
let maj = r16 s 0
and min = r16 s 2
and add = r16 s 4
and idbase = r32 s 10
and idmask = r32 s 14
and vlen = r16 s 22
and screens = r8 s 26
and formats = r8 s 27
and minkk = r8 s 32
and maxkk = r8 s 33 in
let data = readstr sock (4*add-32) in
let vendor = Bytes.sub data 0 vlen in
let pos = ((vlen+3) land lnot 3) + formats*8 in
if screennum >= screens
then error "invalid screen %d, max %d" screennum (screens-1);
let pos =
let rec findscreen n pos =
if n = screennum
then pos
else
let pos =
let ndepths = r8 data (pos+39) in
let rec skipdepths n pos =
if n = ndepths
then pos
else
let pos =
let nvisiuals = r16 data (pos+2) in
pos + nvisiuals*24 + 8
in
skipdepths (n+1) pos
in
skipdepths n (pos+40)
in
findscreen (n+1) pos
in
findscreen 0 pos
in
let root = if rootwid = 0 then r32 data pos else rootwid in
let rootw = r16 data (pos+20)
and rooth = r16 data (pos+22)
and rootdepth = r8 data (pos+38)in
S.fscale := float rooth /. 1440.0;
S.mink := minkk;
S.maxk := maxkk;
S.idbase := idbase;
vlog "vendor = %S, maj=%d min=%d" (Bytes.unsafe_to_string vendor) maj min;
vlog "screens = %d formats = %d" screens formats;
vlog "minkk = %d maxkk = %d" minkk maxkk;
vlog "idbase = %#x idmask = %#x" idbase idmask;
vlog "root=%#x %dx%d" root rootw rooth;
vlog "wmm = %d, hmm = %d" (r16 data (pos+24)) (r16 data (pos+26));
vlog "visualid = %#x" (r32 data (pos+32));
vlog "root depth = %d" rootdepth;
let wid = !S.idbase in
let mid = wid+1 in
let fid = mid+1 in
S.wid := wid;
S.fid := fid;
let vid = glxinit disp wid screennum in
let ndepths = r8 data (pos+39) in
let rec finddepth n' pos =
if n' = ndepths
then error "cannot find depth for visual %#x" vid;
let depth = r8 data pos in
let nvisuals = r16 data (pos+2) in
let rec findvisual n pos =
if n = nvisuals
then finddepth (n'+1) pos
else
let id = r32 data pos in
if id = vid
then depth
else findvisual (n+1) (pos+24)
in
findvisual 0 (pos+8)
in
let depth = finddepth 0 (pos+40) in
let s = createcolormapreq mid root vid in
sendstr s sock;
let mask = 0
+ 0x00000001 (* KeyPress *)
(* + 0x00000002 *) (* KeyRelease *)
+ 0x00000004 (* ButtonPress *)
+ 0x00000008 (* ButtonRelease *)
+ 0x00000010 (* EnterWindow *)
+ 0x00000020 (* LeaveWindow *)
+ 0x00000040 (* PointerMotion *)
(* + 0x00000080 *) (* PointerMotionHint *)
(* + 0x00000100 *) (* Button1Motion *)
(* + 0x00000200 *) (* Button2Motion *)
(* + 0x00000400 *) (* Button3Motion *)
(* + 0x00000800 *) (* Button4Motion *)
(* + 0x00001000 *) (* Button5Motion *)
+ 0x00002000 (* ButtonMotion *)
+ 0x00004000 (* KeymapState *)
+ 0x00008000 (* Exposure *)
+ 0x00010000 (* VisibilityChange *)
+ 0x00020000 (* StructureNotify *)
(* + 0x00040000 *) (* ResizeRedirect *)
(* + 0x00080000 *) (* SubstructureNotify *)
(* + 0x00100000 *) (* SubstructureRedirect *)
(* + 0x00200000 *) (* FocusChange *)
+ 0x00400000 (* PropertyChange *)
(* + 0x00800000 *) (* ColormapChange *)
(* + 0x01000000 *) (* OwnerGrabButton *)
in
let s = createwindowreq wid root 0 0 w h 0 mask vid depth mid in
sendstr s sock;
sendintern
sock (~> "WM_PROTOCOLS") false (fun resp ->
S.protoatom := r32 resp 8;
sendintern
sock (~> "WM_DELETE_WINDOW") false (fun resp ->
S.deleatom := r32 resp 8;
let s = s32 !S.deleatom in
let s = changepropreq wid !S.protoatom 4 32 s in
sendstr s sock;
);
);
sendintern
sock (~> "WM_CLIENT_MACHINE") false (fun resp ->
let atom = r32 resp 8 in
let empty = E.s in
let hostname =
try Unix.gethostname ()
with exn ->
dolog "error getting host name: %s" @@ exntos exn;
empty
in
if hostname != empty
then
let s = changepropreq wid atom !S.stringatom 8
(~> hostname) in
sendstr s sock;
sendintern
sock (~> "_NET_WM_PID") false (fun resp ->
let atom = r32 resp 8 in
let pid = Unix.getpid () in
let s = s32 pid in
let s = changepropreq wid atom 6(*cardinal*) 32 s in
sendstr s sock;
)
);
S.actwin := (fun () ->
let s = Bytes.create 4 in
let s = configurewindowreq wid 0x40 s in
sendstr s !S.sock;
let s = mapreq wid in
sendstr s !S.sock;
);
sendintern
sock (~> "_NET_ACTIVE_WINDOW") true (fun resp ->
let atom = r32 resp 8 in
S.actwin := (fun () ->
let data = Bytes.make 20 '\000' in
let cm = clientmessage 32 0 wid atom data in
let s = sendeventreq 0 root 0x180000 cm in
sendstr s !S.sock;
);
);
syncsendintern
sock 2.0 (~> "WM_CLASS") false (fun resp ->
let atom = r32 resp 8 in
let llpp = ~> "llpp\000llpp\000" in
let s = changepropreq wid atom 31 8 llpp in
sendstr s sock;
);
let s = getkeymapreq !S.mink (!S.maxk - !S.mink) in
sendwithrep sock s (updkmap sock);
let s = getmodifiermappingreq () in
sendwithrep sock s (updmodmap sock);
sendintern
sock (~> "UTF8_STRING") true (fun resp ->
let atom = r32 resp 8 in
if atom != 0
then S.stringatom := atom;
);
let setwmname s =
let s = changepropreq wid 39 !S.stringatom 8 s in
sendstr s !S.sock;
in
S.setwmname := setwmname;
sendintern
sock (~> "_NET_WM_NAME") true (fun resp ->
let atom = r32 resp 8 in
if atom != 0
then S.setwmname := (fun s ->
setwmname s;
let s = changepropreq wid atom !S.stringatom 8 s in
sendstr s !S.sock;
);
);
sendintern
sock (~> "_NET_WM_STATE") true (fun resp ->
S.nwmsatom := r32 resp 8;
if !S.nwmsatom != 0
then (
sendintern sock (~> "_NET_WM_STATE_MAXIMIZED_VERT") true (fun resp ->
S.maxvatom := r32 resp 8;
);
sendintern sock (~> "_NET_WM_STATE_MAXIMIZED_HORZ") true (fun resp ->
S.maxhatom := r32 resp 8;
);
sendintern
sock (~> "_NET_WM_STATE_FULLSCREEN") false (fun resp ->
S.fulsatom := r32 resp 8;
if !S.fulsatom != 0
then
S.fullscreen :=
(fun wid ->
let data = Bytes.make 20 '\000' in
let fs, f =
match !S.fs with
| S.NoFs -> S.Fs (-1, -1, -1, -1), 1
| S.Fs _ -> S.NoFs, 0
in
w32 data 0 f;
w32 data 4 !S.fulsatom;
let cm = clientmessage 32 0 wid !S.nwmsatom data in
let s = sendeventreq 0 root 0x180000 cm in
sendstr s sock;
S.fs := fs;
);
);
);
);
let s = queryextensionreq (~> "XKEYBOARD") in
sendwithrep
sock s (fun resp ->
let present = r8 resp 8 in
if present != 0
then (
let maj = r8 resp 9 in
let s = Bytes.create 8 in
w8 s 0 maj; (* XKB *)
w8 s 1 0; (* XKBUseExtension *)
w16 s 2 2; (* request-length *)
w16 s 4 1; (* wantedMajor *)
w16 s 6 0; (* watnedMinor *)
sendwithrep
sock s
(fun resp ->
let supported = r8 resp 1 in
S.xkb := supported != 0
)
);
);
let s = getgeometryreq wid in
syncsendwithrep sock 2.0 s (fun resp ->
glxcompleteinit ();
let w = r16 resp 16
and h = r16 resp 18 in
S.w := w;
S.h := h;
);
| c -> error "unknown connection setup response %d" (Char.code c)
let getauth haddr dnum =
let haddr =
if emptystr haddr || haddr = "localhost"
then
try Unix.gethostname ()
with exn ->
dolog "failed to resolve `%S': %s" haddr @@ exntos exn;
haddr
else haddr
in
let path, warn =
try Sys.getenv "XAUTHORITY", true
with Not_found ->
try Filename.concat (Sys.getenv "HOME") ".Xauthority", false
with Not_found -> E.s, false
in
let readauth ic =
let r16be s =
let rb pos = Char.code (Bytes.get s pos) in
(rb 1) lor ((rb 0) lsl 8)
in
let rec find () =
let rs () =
let s = really_input_string ic 2 in
let n = r16be (~> s) in
really_input_string ic n
in
let family = really_input_string ic 2 in
let addr = rs () in
let nums = rs () in
let optnum =
match int_of_string nums with
| n -> Some n
| exception exn ->
if nonemptystr nums
then
dolog "display number(%S) is not an integer (corrupt %S?): %s"
nums path @@ exntos exn
;
None
in
let name = rs () in
let data = rs () in
vlog "family %S addr %S(%S) num %S(%d) name %S data %S"
family addr haddr nums dnum name data;
match optnum with
| Some num when addr = haddr && num = dnum ->
name, data
| _ -> find ()
in
let name, data =
try find ()
with
| End_of_file -> E.s, E.s
| exn ->
dolog "exception while reading X authority data (%S): %s"
path @@ exntos exn;
E.s, E.s
in
close_in ic;
name, data;
in
if emptystr path
then E.s, E.s
else
match open_in_bin path with
| ic -> readauth ic
| exception exn ->
if warn
then
dolog "failed to open X authority file `%S' : %s" path @@ exntos exn
;
E.s, E.s
let init t w h =
let d =
try Sys.getenv "DISPLAY"
with exn ->
error "cannot get DISPLAY evironment variable: %s" @@ exntos exn
in
let getnum w b e =
if b = e
then error "invalid DISPLAY(%s) %S" w d
else
let s = String.sub d b (e - b) in
try int_of_string s
with exn ->
error "invalid DISPLAY %S can not parse %s(%S): %s" d w s @@ exntos exn
in
let rec phost pos =
if pos = String.length d
then error "invalid DISPLAY %S no display number specified" d
else (
if d.[pos] = ':'
then
let rec pdispnum pos1 =
if pos1 = String.length d
then getnum "display number" (pos+1) pos1, 0
else
match d.[pos1] with
| '.' ->
let dispnum = getnum "display number" (pos+1) pos1 in
let rec pscreennum pos2 =
if pos2 = String.length d
then getnum "screen number" (pos1+1) pos2
else
match d.[pos2] with
| '0' .. '9' -> pscreennum (pos2+1)
| _ ->
error "invalid DISPLAY %S, cannot parse screen number" d
in
dispnum, pscreennum (pos1+1)
| '0' .. '9' -> pdispnum (pos1+1)
| _ -> error "invalid DISPLAY %S, cannot parse display number" d
in
String.sub d 0 pos, pdispnum (pos+1)
else phost (pos+1)
)
in
let host, (dispnum, screennum) = phost 0 in
let aname, adata = getauth host dispnum in
let fd =
let fd, addr =
if emptystr host || host.[0] = '/' || host = "unix"
then
(Unix.socket Unix.PF_UNIX Unix.SOCK_STREAM 0,
Unix.ADDR_UNIX ("\000/tmp/.X11-unix/X" ^ string_of_int dispnum))
else
let h =
try Unix.gethostbyname host
with exn -> error "cannot resolve %S: %s" host @@ exntos exn
in
let addr = h.Unix.h_addr_list.(0) in
let port = 6000 + dispnum in
let fd = Unix.socket Unix.PF_INET Unix.SOCK_STREAM 0 in
fd, (Unix.ADDR_INET (addr, port))
in
try Unix.connect fd addr; fd
with exn -> error "failed to connect to X: %s" @@ exntos exn
in
Unix.set_close_on_exec fd;
let s = Bytes.create 12 in
let s = padcat s (~> aname) in
let s = padcat s (~> adata) in
Bytes.set s 0 ordermagic;
w16 s 2 11;
w16 s 4 0;
w16 s 6 (String.length aname);
w16 s 8 (String.length adata);
sendstr1 s 0 (Bytes.length s) fd;
S.sock := fd;
let rootwid =
try int_of_string(Sys.getenv "LLPP_WID")
with Not_found -> 0
in
setup d fd rootwid screennum w h;
S.t := t;
fd, !S.w, !S.h
let setcursor cursor =
if cursor != !S.curcurs
then (
setcursor cursor;
S.curcurs := cursor;
)
let xlatt, xlatf =
let t = Hashtbl.create 20
and f = Hashtbl.create 20 in
let add n nl k =
List.iter (fun s -> Hashtbl.add t s k) (n::nl);
Hashtbl.add f k n
in
let addc c =
let s = String.make 1 c in
add s [] (Char.code c)
in
let addcr a b =
let an = Char.code a and bn = Char.code b in
for i = an to bn do addc (Char.chr i) done;
in
addcr '0' '9';
addcr 'a' 'z';
addcr 'A' 'Z';
String.iter addc "`~!@#$%^&*()-_=+\\|[{]};:,./<>?";
for i = 0 to 29 do add ("f" ^ string_of_int (i+1)) [] (0xffbe + i) done;
add "space" [] 0x20;
add "ret" ["return"; "enter"] 0xff0d;
add "tab" [] 0xff09;
add "left" [] 0xff51;
add "right" [] 0xff53;
add "home" [] 0xff50;
add "end" [] 0xff57;
add "ins" ["insert"] 0xff63;
add "del" ["delete"] 0xffff;
add "esc" ["escape"] 0xff1b;
add "pgup" ["pageup"] 0xff55;
add "pgdown" ["pagedown"; "pgdn"] 0xff56;
add "backspace" [] 0xff08;
add "up" [] 0xff52;
add "down" [] 0xff54;
add "menu" [] 0xff67;
t, f
let keyname k =
try Hashtbl.find xlatf k
with Not_found -> Printf.sprintf "%#x" k
let namekey name =
try Hashtbl.find xlatt name
with Not_found ->
if String.length name = 1
then Char.code name.[0]
else int_of_string name
let ks2kt =
let open Keys in
function
| 0xff08 -> Backspace
| 0xff0d -> Enter
| 0xff1b -> Escape
| 0xff50 -> Home
| 0xff51 -> Left
| 0xff52 -> Up
| 0xff53 -> Right
| 0xff54 -> Down
| 0xff55 -> Prior
| 0xff56 -> Next
| 0xff57 -> End
| 0xff63 -> Insert
| 0xff8d -> Enter
| 0xff95 -> Home
| 0xff96 -> Left
| 0xff97 -> Up
| 0xff98 -> Right
| 0xff99 -> Down
| 0xff9a -> Prior
| 0xff9b -> Next
| 0xff9c -> End
| 0xff9f -> Delete
| 0xffab -> Ascii '+'
| 0xffad -> Ascii '-'
| 0xffff -> Delete
| code when code > 31 && code < 128 -> Ascii (Char.unsafe_chr code)
| code when code >= 0xffb0 && code <= 0xffb9 ->
Ascii (Char.unsafe_chr (code - 0xffb0 + 0x30))
| code when code >= 0xffbe && code <= 0xffc8 -> Fn (code - 0xffbe + 1)
| code when code land 0xff00 = 0xff00 -> Ctrl code
| code -> Code code
let cAp = "https://github.com/astrand/xclip"