4 | Ulinkgoto
of (int * int)
6 and facename
= string;;
8 let dolog fmt
= Printf.kprintf prerr_endline fmt
;;
10 type params
= angle
* proportional
* texcount
* sliceheight
19 and proportional
= bool
20 and interpagespace
= int
27 external init
: Unix.file_descr
-> params
-> unit = "ml_init";;
28 external draw
: (int * int * int * int * bool) -> string -> unit = "ml_draw";;
29 external seltext
: string -> (int * int * int * int) -> int -> unit =
31 external copysel
: string -> unit = "ml_copysel";;
32 external getpdimrect
: int -> float array
= "ml_getpdimrect";;
33 external whatsunder
: string -> int -> int -> under
= "ml_whatsunder";;
34 external zoomforh
: int -> int -> int -> float = "ml_zoom_for_height";;
38 | Msel
of (mpos
* mpos
)
41 | Mzoom
of (int * int)
45 type textentry
= (char
* string * onhist
* onkey
* ondone
)
46 and onkey
= string -> int -> te
47 and ondone
= string -> unit
48 and histcancel
= unit -> unit
49 and onhist
= ((histcmd
-> string) * histcancel
) option
50 and histcmd
= HCnext
| HCprev
| HCfirst
| HClast
55 | TEswitch
of textentry
67 { store
= Array.create n v
74 let cbcap b
= Array.length b
.store
;;
79 b
.wc
<- (b
.wc
+ 1) mod cap;
81 b
.len
<- min
(b
.len
+ 1) cap;
84 let cbempty b
= b
.len
= 0;;
86 let cbgetg b circular dir
=
90 let rc = b
.rc + dir
in
102 else max
0 (min
rc (b
.len
-1))
108 let cbget b
= cbgetg b
false;;
109 let cbgetc b
= cbgetg b
true;;
112 let rc = b
.wc
- b
.len
in
113 let rc = if rc < 0 then cbcap b
+ rc else rc in
117 let cbdecr b
= b
.len
<- b
.len
- 1;;
132 { mutable scrollw
: int
133 ; mutable scrollh
: int
134 ; mutable icase
: bool
135 ; mutable preload
: bool
136 ; mutable pagebias
: int
137 ; mutable verbose
: bool
138 ; mutable scrollstep
: int
139 ; mutable maxhfit
: bool
140 ; mutable crophack
: bool
141 ; mutable autoscrollstep
: int
142 ; mutable showall
: bool
143 ; mutable hlinks
: bool
144 ; mutable underinfo
: bool
145 ; mutable interpagespace
: interpagespace
146 ; mutable zoom
: float
147 ; mutable presentation
: bool
148 ; mutable angle
: angle
151 ; mutable savebmarks
: bool
152 ; mutable proportional
: proportional
153 ; mutable memlimit
: int
154 ; mutable texcount
: texcount
155 ; mutable sliceheight
: sliceheight
156 ; mutable thumbw
: width
160 type outline
= string * int * int * float;;
162 | Oarray
of outline array
163 | Olist
of outline list
164 | Onarrow
of string * outline array
* outline array
167 type rect
= (float * float * float * float * float * float * float * float);;
169 type pagemapkey
= (pageno
* width
* angle
* proportional
* gen
);;
171 type anchor
= pageno
* top
;;
174 | Birdseye
of (conf
* leftx
* pageno
* pageno
* anchor
)
175 | Outline
of (bool * int * int * outline array
* string)
176 | Textentry
of (textentry
* mode
)
180 let isbirdseye = function Birdseye _
-> true | _
-> false;;
181 let istextentry = function Textentry _
-> true | _
-> false;;
184 { mutable csock
: Unix.file_descr
185 ; mutable ssock
: Unix.file_descr
189 ; mutable anchor
: anchor
191 ; mutable layout
: layout list
192 ; pagemap
: (pagemapkey
, (opaque
* pixmapsize
)) Hashtbl.t
193 ; mutable pdims
: (pageno
* width
* height
* leftx
) list
194 ; mutable pagecount
: int
195 ; pagecache
: string circbuf
196 ; mutable rendering
: bool
197 ; mutable mstate
: mstate
198 ; mutable searchpattern
: string
199 ; mutable rects
: (pageno
* recttype
* rect
) list
200 ; mutable rects1
: (pageno
* recttype
* rect
) list
201 ; mutable text
: string
202 ; mutable fullscreen
: (width
* height
) option
203 ; mutable mode
: mode
204 ; mutable outlines
: outlines
205 ; mutable bookmarks
: outline list
206 ; mutable path
: string
207 ; mutable password
: string
208 ; mutable invalidated
: int
209 ; mutable colorscale
: float
210 ; mutable memused
: int
212 ; mutable throttle
: layout list
option
213 ; mutable ascrollstep
: int
217 { pat
: string circbuf
218 ; pag
: string circbuf
219 ; nav
: anchor circbuf
233 ; autoscrollstep
= 24
239 ; presentation
= false
244 ; proportional
= true
245 ; memlimit
= 32*1024*1024
252 let conf = { defconf with angle
= defconf.angle
};;
263 ; pagemap
= Hashtbl.create
10
264 ; pagecache
= cbnew 100 ""
275 ; outlines
= Olist
[]
281 { nav
= cbnew 100 (0, 0.0)
296 Printf.kprintf prerr_endline fmt
298 Printf.kprintf ignore fmt
302 let len = String.length s
in
304 let b = Buffer.create
n in
305 Buffer.add_char
b (Char.chr
((len lsr 24) land 0xff));
306 Buffer.add_char
b (Char.chr
((len lsr 16) land 0xff));
307 Buffer.add_char
b (Char.chr
((len lsr 8) land 0xff));
308 Buffer.add_char
b (Char.chr
((len lsr 0) land 0xff));
309 Buffer.add_string
b s
;
310 let s'
= Buffer.contents
b in
311 let n'
= Unix.write fd
s'
0 n in
312 if n'
!= n then failwith
"write failed";
317 let n = Unix.read fd
s 0 4 in
318 if n != 4 then failwith
"incomplete read(len)";
320 lor (Char.code
s.[0] lsl 24)
321 lor (Char.code
s.[1] lsl 16)
322 lor (Char.code
s.[2] lsl 8)
323 lor (Char.code
s.[3] lsl 0)
325 let s = String.create
len in
326 let n = Unix.read fd
s 0 len in
327 if n != len then failwith
"incomplete read(data)";
332 let b = Buffer.create
10 in
333 Buffer.add_string
b s;
334 let rec combine = function
337 Buffer.add_char
b ' '
;
340 | `
b b -> if b then "1" else "0"
342 | `i i
-> string_of_int i
343 | `f f
-> string_of_float f
344 | `I f
-> string_of_int
(truncate f
)
346 Buffer.add_string
b s;
353 let cmd = Buffer.contents
(makecmd s l
) in
354 writecmd state.csock
cmd;
360 let d = conf.winh
- h
in
367 let rec f pn ph pi fh l
=
369 | (n, _
, h
, _
) :: rest
->
370 let ips = calcips h
in
375 if isbirdseye state.mode
&& pn
= 0
380 let fh = fh + ((n - pn
) * (ph
+ pi
)) in
385 if conf.presentation
|| (isbirdseye state.mode
&& pn
= 0)
389 let fh = fh + ((state.pagecount
- pn
) * (ph
+ pi
)) + inc in
392 let fh = f 0 0 0 0 state.pdims
in
396 let getpageyh pageno
=
397 let rec f pn ph pi y l
=
399 | (n, _
, h
, _
) :: rest
->
400 let ips = calcips h
in
403 let h = if n = pageno
then h else ph
in
404 if conf.presentation
&& n = pageno
406 y
+ (pageno
- pn
) * (ph
+ pi
) + pi
, h
408 y
+ (pageno
- pn
) * (ph
+ pi
), h
410 let y = y + (if conf.presentation
then pi
else 0) in
411 let y = y + (n - pn
) * (ph
+ pi
) in
415 y + (pageno
- pn
) * (ph
+ pi
), ph
417 f 0 0 0 0 state.pdims
420 let getpagey pageno
= fst
(getpageyh pageno
);;
423 let rec f ~pageno ~pdimno ~prev ~py ~dy ~pdims ~cacheleft ~accu
=
424 let ((w
, h, ips, x
) as curr
), rest
, pdimno
, yinc
=
426 | (pageno'
, w
, h, x
) :: rest
when pageno'
= pageno
->
427 let ips = calcips h in
429 if conf.presentation
|| (isbirdseye state.mode
&& pageno
= 0)
433 (w
, h, ips, x
), rest
, pdimno
+ 1, yinc
435 prev
, pdims
, pdimno
, 0
437 let dy = dy + yinc in
438 let py = py + yinc in
439 if pageno
= state.pagecount
|| cacheleft
= 0 || dy >= sh
444 if py + h <= vy - yinc
446 let py = py + h + ips in
447 let dy = max
0 (py - y) in
457 let pagey = vy - py in
458 let pagevh = h - pagey in
459 let pagevh = min
(sh
- dy) pagevh in
460 let off = if yinc > 0 then py - vy else 0 in
461 let py = py + h + ips in
467 ; pagedispy
= dy + off
468 ; pagey = pagey + off
469 ; pagevh = pagevh - off
473 let accu = e :: accu in
480 ~cacheleft
:(cacheleft
-1)
483 if state.invalidated
= 0
493 ~cacheleft
:(cbcap state.pagecache
)
503 let y = state.y + incr
in
505 let y = min
y (state.maxy
- (if conf.maxhfit
then conf.winh
else 0)) in
509 let getopaque pageno
=
510 try Some
(Hashtbl.find
state.pagemap
511 (pageno
, state.w
, conf.angle
, conf.proportional
, state.gen
))
512 with Not_found
-> None
515 let cache pageno opaque
=
516 Hashtbl.replace
state.pagemap
517 (pageno
, state.w
, conf.angle
, conf.proportional
, state.gen
) opaque
520 let validopaque opaque
= String.length opaque
> 0;;
523 match getopaque l
.pageno
with
524 | None
when not
state.rendering
->
525 state.rendering
<- true;
526 cache l
.pageno
("", -1);
527 wcmd "render" [`i
(l
.pageno
+ 1)
534 let loadlayout layout =
535 let rec f all
= function
537 begin match getopaque l
.pageno
with
538 | None
-> render l
; f false ls
539 | Some
(opaque
, _
) -> f (all
&& validopaque opaque
) ls
543 f (layout <> []) layout;
546 let findpageforopaque opaque
=
548 (fun k
(v
, s) a
-> if v
= opaque
then Some
(k
, s) else a
)
552 let pagevisible layout n = List.exists
(fun l
-> l
.pageno
= n) layout;;
558 let memleft = conf.memlimit
- state.memused
in
561 let opaque = cbpeek state.pagecache
in
562 match findpageforopaque opaque with
563 | Some
((n, _
, _
, _
, _
), size
) ->
564 memleft + size
>= 0 && not
(pagevisible state.layout n)
571 let presentation = conf.presentation in
572 let interpagespace = conf.interpagespace in
573 let maxy = state.maxy in
574 conf.presentation <- false;
575 conf.interpagespace <- 0;
576 state.maxy <- calcheight ();
578 match state.layout with
580 | l
:: _
-> getpagey l
.pageno
+ l
.pagey
582 let y = if y < conf.winh
then 0 else y - conf.winh
in
583 let pages = layout y (conf.winh
*3) in
584 List.iter
render pages;
585 conf.presentation <- presentation;
586 conf.interpagespace <- interpagespace;
592 let y = min
state.maxy y in
593 let pages = layout y conf.winh
in
594 let ready = loadlayout pages in
600 state.layout <- pages;
601 state.throttle
<- None
;
602 Glut.postRedisplay
();
605 state.throttle
<- Some
pages;
610 state.layout <- pages;
611 state.throttle
<- None
;
612 Glut.postRedisplay
();
614 begin match state.mode
with
615 | Birdseye
(conf, leftx
, pageno
, hooverpageno
, anchor
) ->
616 if not
(pagevisible pages pageno
)
618 match state.layout with
621 state.mode
<- Birdseye
(conf, leftx
, l
.pageno
, hooverpageno
, anchor
)
628 let gotoy_and_clear_text y =
630 if not
conf.verbose
then state.text
<- "";
633 let emptyanchor = (0, 0.0);;
636 match state.layout with
638 | l
:: _
-> (l
.pageno
, float l
.pagey /. float l
.pageh
)
641 let getanchory (n, top
) =
642 let y, h = getpageyh n in
643 y + (truncate
(top
*. float h));
646 let gotoanchor anchor
=
647 gotoy (getanchory anchor
);
651 cbput state.hists
.nav
(getanchor ());
655 let anchor = cbgetc state.hists
.nav ~
-1 in
660 let y, h = getpageyh n in
661 gotoy_and_clear_text (y + (truncate
(top
*. float h)));
664 let gotopage1 n top
=
665 let y = getpagey n in
666 gotoy_and_clear_text (y + top
);
674 state.invalidated
<- state.invalidated
+ 1;
678 let c = c *. state.colorscale
in
683 state.maxy <- calcheight ();
684 match state.mode
with
685 | Birdseye
(_
, _
, pageno
, _
, _
) ->
686 let y, h = getpageyh pageno
in
687 let top = (conf.winh
- h) / 2 in
688 gotoy (max
0 (y - top))
689 | _
-> gotoanchor state.anchor
693 GlMat.mode `projection
;
694 GlMat.load_identity
();
695 GlMat.rotate ~x
:1.0 ~angle
:180.0 ();
696 GlMat.translate ~x
:~
-.1.0 ~
y:~
-.1.0 ();
697 GlMat.scale3
(2.0 /. float state.w
, 2.0 /. float conf.winh
, 1.0);
700 GlMat.translate ~x
:(float state.x
) ();
705 GlMat.mode `projection
;
706 GlMat.load_identity
();
707 GlMat.rotate ~x
:1.0 ~angle
:180.0 ();
708 GlMat.translate ~x
:~
-.1.0 ~
y:~
-.1.0 ();
709 GlMat.scale3
(2.0 /. float conf.winw
, 2.0 /. float conf.winh
, 1.0);
713 if state.invalidated
= 0
714 then state.anchor <- getanchor ();
717 let w = truncate
(float w *. conf.zoom
) - conf.scrollw
in
721 GlMat.mode `modelview
;
722 GlMat.load_identity
();
723 GlClear.color
(scalecolor 1.0);
724 GlClear.clear
[`color
];
727 wcmd "geometry" [`i
w; `i
h];
731 GlDraw.color
(0.0, 0.0, 0.0);
733 (0.0, float (conf.winh
- 18))
734 (float (conf.winw
- conf.scrollw
- 1), float conf.winh
)
736 let font = Glut.BITMAP_8_BY_13
in
737 GlDraw.color
(1.0, 1.0, 1.0);
738 GlPix.raster_pos ~x
:0.0 ~
y:(float (conf.winh
- 5)) ();
739 Glut.bitmapCharacter ~
font ~
c:(Char.code
c);
740 String.iter
(fun c -> Glut.bitmapCharacter ~
font ~
c:(Char.code
c)) s;
744 let len = String.length
state.text
in
745 match state.mode
with
746 | Textentry
((c, text
, _
, _
, _
), _
) ->
750 text ^
" [" ^
state.text ^
"]"
757 if len > 0 then showtext ' '
state.text
761 state.text
<- Printf.sprintf
"%c%s" c s;
762 Glut.postRedisplay
();
771 state.rects
<- state.rects1
;
772 Glut.postRedisplay
()
775 let n = Scanf.sscanf
cmd "C %u" (fun n -> n) in
776 state.pagecount
<- n;
777 state.invalidated
<- state.invalidated
- 1;
778 if state.invalidated
= 0
782 let s = Scanf.sscanf
cmd "t %n"
783 (fun n -> String.sub
cmd n (String.length
cmd - n))
785 Glut.setWindowTitle
s
788 let s = Scanf.sscanf
cmd "T %n"
789 (fun n -> String.sub
cmd n (String.length
cmd - n))
791 if istextentry state.mode
798 Glut.postRedisplay
();
804 let s = Scanf.sscanf
cmd "V %n"
805 (fun n -> String.sub
cmd n (String.length
cmd - n))
811 let pageno, c, x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
=
812 Scanf.sscanf
cmd "F %u %d %f %f %f %f %f %f %f %f"
813 (fun p
c x0 y0 x1 y1 x2 y2 x3 y3
->
814 (p
, c, x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
))
816 let y = (getpagey pageno) + truncate y0
in
819 state.rects1
<- [pageno, c, (x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
)]
822 let pageno, c, x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
=
823 Scanf.sscanf
cmd "R %u %d %f %f %f %f %f %f %f %f"
824 (fun p
c x0 y0 x1 y1 x2 y2 x3 y3
->
825 (p
, c, x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
))
828 (pageno, c, (x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
)) :: state.rects1
831 let n, w, h, r
, l
, s, p
=
832 Scanf.sscanf
cmd "r %u %u %u %u %d %u %s"
833 (fun n w h r l
s p
->
834 (n-1, w, h, r
, l
!= 0, s, p
))
837 Hashtbl.replace
state.pagemap
(n, w, r
, l
, state.gen
) (p
, s);
838 state.memused
<- state.memused
+ s;
841 match state.throttle
with
842 | None
-> state.layout
843 | Some
layout -> layout
847 if (state.memused
<= conf.memlimit
) || cbempty state.pagecache
850 let evictedopaque = cbpeek state.pagecache
in
851 match findpageforopaque evictedopaque with
852 | None
-> failwith
"bug in gc"
853 | Some
((evictedn
, _
, _
, _
, gen
) as k
, evictedsize
) ->
854 if state.gen
!= gen
|| not
(pagevisible layout evictedn
)
856 wcmd "free" [`
s evictedopaque];
857 state.memused
<- state.memused
- evictedsize
;
858 Hashtbl.remove
state.pagemap k
;
859 cbdecr state.pagecache
;
866 cbput state.pagecache p
;
867 state.rendering
<- false;
869 begin match state.throttle
with
871 if pagevisible state.layout n
874 let allvisible = loadlayout state.layout in
875 if allvisible then preload ();
882 let y = getpagey l
.pageno + l
.pagey in
887 let (n, w, h, x
) as pdim
=
888 Scanf.sscanf
cmd "l %u %u %u %u" (fun n w h x
-> n, w, h, x
)
890 state.pdims
<- pdim
:: state.pdims
893 let (l
, n, t
, h, pos
) =
894 Scanf.sscanf
cmd "o %u %u %d %u %n" (fun l
n t
h pos
-> l
, n, t
, h, pos
)
896 let s = String.sub
cmd pos
(String.length
cmd - pos
) in
898 let l = String.length
s in
899 let b = Buffer.create
(String.length
s) in
906 | '
\xa0'
when pc2 -> Buffer.add_char
b ' '
; false
909 let c = if Char.code
c land 0x80 = 0 then c else '?'
in
918 let outline = (s, l, n, float t
/. float h) in
920 match state.outlines with
921 | Olist
outlines -> Olist
(outline :: outlines)
922 | Oarray _
-> Olist
[outline]
923 | Onarrow _
-> Olist
[outline]
925 state.outlines <- outlines
928 dolog "unknown cmd `%S'" cmd
931 let now = Unix.gettimeofday
;;
935 let r, _
, _
= Unix.select
[state.csock
] [] [] delay
in
938 if state.ascrollstep
> 0
940 let y = state.y + state.ascrollstep
in
941 let y = if y >= state.maxy then 0 else y in
947 let cmd = readcmd state.csock
in
956 let action = function
957 | HCprev
-> cbget cb ~
-1
958 | HCnext
-> cbget cb
1
959 | HCfirst
-> cbget cb ~
-(cb
.rc)
960 | HClast
-> cbget cb
(cb
.len - 1 - cb
.rc)
961 and cancel
() = cb
.rc <- rc
965 let search pattern forward
=
966 if String.length pattern
> 0
969 match state.layout with
972 l.pageno, (l.pagey + if forward
then 0 else 0*l.pagevh)
975 let b = makecmd "search"
976 [`
b conf.icase
; `i
pn; `i
py; `i
(if forward
then 1 else 0)]
978 Buffer.add_char
b '
,'
;
979 Buffer.add_string
b pattern
;
980 Buffer.add_char
b '
\000'
;
983 writecmd state.csock
cmd;
986 let intentry text key
=
987 let c = Char.unsafe_chr key
in
990 let s = "x" in s.[0] <- c;
991 let text = text ^
s in
995 state.text <- Printf.sprintf
"invalid char (%d, `%c')" key
c;
1000 let b = Buffer.create
(String.length
s + 1) in
1001 Buffer.add_string
b s;
1002 Buffer.add_char
b c;
1006 let textentry text key
=
1007 let c = Char.unsafe_chr key
in
1009 | _
when key
>= 32 && key
< 127 ->
1010 let text = addchar text c in
1014 dolog "unhandled key %d char `%c'" key
(Char.unsafe_chr key
);
1018 let reinit angle proportional
=
1019 conf.angle
<- angle
;
1020 conf.proportional
<- proportional
;
1022 wcmd "reinit" [`i angle
; `
b proportional
];
1026 let zoom = max
0.01 (min
2.2 zoom) in
1027 if zoom <> conf.zoom
1032 reshape conf.winw
conf.winh
;
1033 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
1034 state.text <- Printf.sprintf
"zoom is now %f" (zoom *. 100.0);
1038 let optentry text key
=
1039 let btos b = if b then "on" else "off" in
1040 let c = Char.unsafe_chr key
in
1044 try conf.scrollstep
<- int_of_string
s with exc
->
1045 state.text <- Printf.sprintf
"bad integer `%s': %s"
1046 s (Printexc.to_string exc
)
1048 TEswitch
('#'
, "", None
, intentry, ondone)
1053 conf.autoscrollstep
<- int_of_string
s;
1054 if state.ascrollstep
> 0
1055 then state.ascrollstep
<- conf.autoscrollstep
;
1057 state.text <- Printf.sprintf
"bad integer `%s': %s"
1058 s (Printexc.to_string exc
)
1060 TEswitch
('
*'
, "", None
, intentry, ondone)
1065 let zoom = float (int_of_string
s) /. 100.0 in
1068 state.text <- Printf.sprintf
"bad integer `%s': %s"
1069 s (Printexc.to_string exc
)
1071 TEswitch
('
@'
, "", None
, intentry, ondone)
1076 Some
(int_of_string
s)
1078 state.text <- Printf.sprintf
"bad integer `%s': %s"
1079 s (Printexc.to_string exc
);
1082 | Some angle
-> reinit angle
conf.proportional
1085 TEswitch
('^'
, "", None
, intentry, ondone)
1088 conf.icase
<- not
conf.icase
;
1089 TEdone
("case insensitive search " ^
(btos conf.icase
))
1092 conf.preload <- not
conf.preload;
1094 TEdone
("preload " ^
(btos conf.preload))
1097 conf.verbose
<- not
conf.verbose
;
1098 TEdone
("verbose " ^
(btos conf.verbose
))
1101 conf.maxhfit
<- not
conf.maxhfit
;
1102 state.maxy <- state.maxy + (if conf.maxhfit
then -conf.winh
else conf.winh
);
1103 TEdone
("maxhfit " ^
(btos conf.maxhfit
))
1106 conf.crophack
<- not
conf.crophack
;
1107 TEdone
("crophack " ^
btos conf.crophack
)
1110 conf.showall
<- not
conf.showall
;
1111 TEdone
("showall " ^
btos conf.showall
)
1114 conf.underinfo
<- not
conf.underinfo
;
1115 TEdone
("underinfo " ^
btos conf.underinfo
)
1118 conf.savebmarks
<- not
conf.savebmarks
;
1119 TEdone
("persistent bookmarks " ^
btos conf.savebmarks
)
1125 match state.layout with
1130 conf.interpagespace <- int_of_string
s;
1131 state.maxy <- calcheight ();
1132 let y = getpagey pageno in
1135 state.text <- Printf.sprintf
"bad integer `%s': %s"
1136 s (Printexc.to_string exc
)
1138 TEswitch
('
%'
, "", None
, intentry, ondone)
1141 reinit conf.angle
(not
conf.proportional
);
1142 TEdone
("proprortional display " ^
btos conf.proportional
)
1145 state.text <- Printf.sprintf
"bad option %d `%c'" key
c;
1149 let maxoutlinerows () = (conf.winh
- 31) / 16;;
1151 let enterselector allowdel
outlines errmsg msg
=
1152 if Array.length
outlines = 0
1154 showtext ' ' errmsg
;
1158 Glut.setCursor
Glut.CURSOR_INHERIT
;
1160 match state.layout with
1162 | {pageno=pageno} :: rest
-> pageno
1166 if n = Array.length
outlines
1169 let (_
, _
, outlinepageno
, _
) = outlines.(n) in
1170 if outlinepageno
>= pageno then n else loop (n+1)
1174 state.mode
<- Outline
1175 (allowdel
, active, max
0 (active - maxoutlinerows () / 2), outlines, "");
1176 Glut.postRedisplay
();
1180 let enteroutlinemode () =
1182 match state.outlines with
1185 let a = Array.of_list
(List.rev
l) in
1186 state.outlines <- Oarray
a;
1188 | Onarrow
(pat
, a, b) ->
1189 a, "Outline was narrowed to `" ^ pat ^
"' (Ctrl-u to restore)"
1191 enterselector false outlines "Document has no outline" msg
;
1194 let enterbookmarkmode () =
1195 let bookmarks = Array.of_list
state.bookmarks in
1196 enterselector true bookmarks "Document has no bookmarks (yet)" "";
1199 let quickbookmark ?title
() =
1200 match state.layout with
1206 let sec = Unix.gettimeofday
() in
1207 let tm = Unix.localtime
sec in
1208 Printf.sprintf
"Quick (page %d) (bookmarked at %d/%d/%d %d:%d)"
1212 (tm.Unix.tm_year
+ 1900)
1215 | Some
title -> title
1218 (title, 0, l.pageno, float l.pagey /. float l.pageh
) :: state.bookmarks
1222 state.fullscreen
<- None
;
1223 Glut.reshapeWindow
w h;
1226 let writeopen path password
=
1227 writecmd state.csock
("open " ^ path ^
"\000" ^
state.password ^
"\000");
1230 let opendoc path password
=
1233 state.password
<- password
;
1234 state.gen
<- state.gen
+ 1;
1236 writeopen path password
;
1237 Glut.setWindowTitle
("llpp " ^
Filename.basename path
);
1238 wcmd "geometry" [`i
state.w; `i
conf.winh
];
1242 let zoom = float conf.thumbw
/. float conf.winw
in
1243 let birdseyepageno =
1244 let rec fold = function
1246 | l :: _
when l.pagey = 0 -> l.pageno
1247 | _
:: rest
-> fold rest
1251 state.mode
<- Birdseye
(
1252 { conf with zoom = conf.zoom }, state.x
, birdseyepageno, -1, getanchor ()
1255 conf.presentation <- false;
1256 conf.interpagespace <- 10;
1257 conf.hlinks
<- false;
1259 state.mstate
<- Mnone
;
1260 conf.showall
<- false;
1261 Glut.setCursor
Glut.CURSOR_INHERIT
;
1264 state.text <- Printf.sprintf
"birds eye mode on (zoom %3.1f%%)"
1269 reshape conf.winw
conf.winh
;
1272 let birdseyeoff (c, leftx
, pageno, _
, anchor) goback
=
1274 conf.zoom <- c.zoom;
1275 conf.presentation <- c.presentation;
1276 conf.interpagespace <- c.interpagespace;
1277 conf.showall
<- c.showall
;
1278 conf.hlinks
<- c.hlinks
;
1282 state.text <- Printf.sprintf
"birds eye mode off (zoom %3.1f%%)"
1285 reshape conf.winw
conf.winh
;
1286 state.anchor <- if goback
then anchor else (pageno, 0.0);
1289 let togglebirdseye () =
1290 match state.mode
with
1291 | Birdseye vals
-> birdseyeoff vals
true
1292 | View
| Outline _
-> birdseyeon ()
1296 let viewkeyboard ~key ~x ~
y =
1298 state.mode
<- Textentry
(te
, state.mode
);
1301 Glut.postRedisplay
()
1303 let c = Char.chr key
in
1309 let y = getnav () in
1310 gotoy_and_clear_text y
1318 Glut.postRedisplay
()
1321 let ondone isforw
s =
1322 cbput state.hists
.pat
s;
1323 state.searchpattern
<- s;
1326 enttext (c, "", Some
(onhist state.hists
.pat
),
1327 textentry, ondone (c ='
/'
))
1329 | '
+'
when Glut.getModifiers
() land Glut.active_ctrl
!= 0 ->
1330 let incr = if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01 in
1331 setzoom (min
2.2 (conf.zoom +. incr))
1336 try int_of_string
s with exc
->
1337 state.text <- Printf.sprintf
"bad integer `%s': %s"
1338 s (Printexc.to_string exc
);
1344 state.text <- "page bias is now " ^ string_of_int
n;
1347 enttext ('
+'
, "", None
, intentry, ondone)
1349 | '
-'
when Glut.getModifiers
() land Glut.active_ctrl
!= 0 ->
1350 let decr = if conf.zoom -. 0.1 < 0.1 then 0.01 else 0.1 in
1351 setzoom (max
0.01 (conf.zoom -. decr))
1357 enttext ('
-'
, "", None
, optentry, ondone)
1359 | '
0'
when (Glut.getModifiers
() land Glut.active_ctrl
!= 0) ->
1362 | '
1'
when (Glut.getModifiers
() land Glut.active_ctrl
!= 0) ->
1363 let zoom = zoomforh
conf.winw
conf.winh
conf.scrollw
in
1367 | '
9'
when (Glut.getModifiers
() land Glut.active_ctrl
!= 0) ->
1373 try int_of_string
s with exc
->
1374 state.text <- Printf.sprintf
"bad integer `%s': %s"
1375 s (Printexc.to_string exc
);
1381 cbput state.hists
.pag
(string_of_int
n);
1382 gotoy_and_clear_text (getpagey (n + conf.pagebias
- 1))
1385 let pageentry text key
=
1386 match Char.unsafe_chr key
with
1387 | 'g'
-> TEdone
text
1388 | _
-> intentry text key
1390 let text = "x" in text.[0] <- c;
1391 enttext ('
:'
, text, Some
(onhist state.hists
.pag
), pageentry, ondone)
1394 conf.scrollw
<- if conf.scrollw
> 0 then 0 else defconf.scrollw
;
1395 reshape conf.winw
conf.winh
;
1398 conf.hlinks
<- not
conf.hlinks
;
1399 state.text <- "highlightlinks " ^
if conf.hlinks
then "on" else "off";
1400 Glut.postRedisplay
()
1403 if state.ascrollstep
= 0
1404 then state.ascrollstep
<- conf.autoscrollstep
1406 conf.autoscrollstep
<- state.ascrollstep
;
1407 state.ascrollstep
<- 0;
1411 conf.presentation <- not
conf.presentation;
1412 showtext ' '
("presentation mode " ^
1413 if conf.presentation then "on" else "off");
1417 begin match state.fullscreen
with
1419 state.fullscreen
<- Some
(conf.winw
, conf.winh
);
1422 state.fullscreen
<- None
;
1427 gotoy_and_clear_text 0
1430 search state.searchpattern
true
1433 search state.searchpattern
false
1436 begin match state.layout with
1439 gotoy_and_clear_text (getpagey l.pageno)
1443 begin match List.rev
state.layout with
1446 let pageno = min
(l.pageno+1) (state.pagecount
-1) in
1447 gotoy_and_clear_text (getpagey pageno)
1451 begin match state.layout with
1454 let pageno = max
0 (l.pageno-1) in
1455 gotoy_and_clear_text (getpagey pageno)
1460 if fn
= -1 then l.pageno, l.pageno else fn
, l.pageno
1462 let fn, ln
= List.fold_left
f (-1, -1) state.layout in
1464 let maxy = state.maxy - (if conf.maxhfit
then conf.winh
else 0) in
1468 else (100. *. (float state.y /. float maxy)) in
1471 Printf.sprintf
"Page %d of %d %.2f%%"
1472 (fn+1) state.pagecount
percent
1475 "Pages %d-%d of %d %.2f%%"
1476 (fn+1) (ln
+1) state.pagecount
percent
1481 begin match state.layout with
1484 doreshape (l.pagew
+ conf.scrollw
) l.pageh
;
1485 Glut.postRedisplay
();
1489 enterbookmarkmode ()
1493 match state.layout with
1496 (s, 0, l.pageno, float l.pagey /. float l.pageh
)
1500 enttext ('~'
, "", None
, textentry, ondone)
1504 showtext ' '
"Quick bookmark added";
1507 begin match state.layout with
1509 let rect = getpdimrect
l.pagedimno
in
1513 (truncate
(1.8 *. (rect.(1) -. rect.(0))),
1514 truncate
(1.2 *. (rect.(3) -. rect.(0))))
1516 (truncate
(rect.(1) -. rect.(0)),
1517 truncate
(rect.(3) -. rect.(0)))
1521 doreshape (w + conf.scrollw
) (h + conf.interpagespace)
1523 Glut.postRedisplay
();
1529 reinit (conf.angle
+ (if c = '
>'
then 30 else -30)) conf.proportional
1534 (min
(state.colorscale
+. (if c = '
]'
then 0.1 else -0.1)) 1.0);
1535 Glut.postRedisplay
()
1537 | 'k'
-> gotoy (clamp (-conf.scrollstep
))
1538 | 'j'
-> gotoy (clamp conf.scrollstep
)
1540 | '
r'
-> opendoc state.path
state.password
1543 vlog "huh? %d %c" key
(Char.chr key
);
1546 let textentrykeyboard ~key ~x ~
y ((c, text, opthist
, onkey
, ondone), mode
) =
1548 state.mode
<- Textentry
(te
, mode
);
1551 Glut.postRedisplay
()
1553 match Char.unsafe_chr key
with
1555 let len = String.length
text in
1559 Glut.postRedisplay
();
1562 let s = String.sub
text 0 (len - 1) in
1563 enttext (c, s, opthist
, onkey
, ondone)
1569 Glut.postRedisplay
()
1572 begin match opthist
with
1574 | Some
(_
, onhistcancel
) -> onhistcancel
()
1577 Glut.postRedisplay
()
1580 begin match onkey
text key
with
1584 Glut.postRedisplay
()
1587 enttext (c, text, opthist
, onkey
, ondone);
1591 Glut.postRedisplay
()
1594 state.mode
<- Textentry
(te
, mode
);
1595 Glut.postRedisplay
()
1599 let birdseyekeyboard ~key ~x ~
y ((_
, _
, pageno, _
, anchor) as beye
) =
1602 birdseyeoff beye
true
1605 let y, h = getpageyh pageno in
1606 let top = (conf.winh
- h) / 2 in
1607 gotoy (max
0 (y - top))
1610 birdseyeoff beye
false
1613 viewkeyboard ~key ~x ~
y
1616 let outlinekeyboard ~key ~x ~
y (allowdel
, active, first
, outlines, qsearch
) =
1617 let narrow outlines pattern
=
1618 let reopt = try Some
(Str.regexp_case_fold pattern
) with _
-> None
in
1622 let rec fold accu n =
1626 let (s, _
, _
, _
) as o
= outlines.(n) in
1628 if (try ignore
(Str.search_forward re
s 0); true
1629 with Not_found
-> false)
1635 let matched = fold [] (Array.length
outlines - 1) in
1636 if matched = [] then None
else Some
(Array.of_list
matched)
1638 let search active pattern
incr =
1641 if n = Array.length
outlines || n = -1
1644 let (s, _
, _
, _
) = outlines.(n) in
1646 (try ignore
(Str.search_forward re
s 0); true
1647 with Not_found
-> false)
1649 else loop (n + incr)
1654 let re = Str.regexp_case_fold pattern
in
1660 let firstof active = max
0 (active - maxoutlinerows () / 2) in
1663 if String.length qsearch
= 0
1667 Glut.postRedisplay
();
1671 state.mode
<- Outline
(allowdel
, active, first
, outlines, "");
1672 Glut.postRedisplay
();
1676 let incr = if key
= 18 then -1 else 1 in
1678 match search (active + incr) qsearch
incr with
1680 state.text <- qsearch ^
" [not found]";
1683 state.text <- qsearch
;
1684 active, firstof active
1686 state.mode
<- Outline
(allowdel
, active, first
, outlines, qsearch
);
1687 Glut.postRedisplay
();
1690 let len = String.length qsearch
in
1697 state.mode
<- Outline
(allowdel
, active, first
, outlines, "");
1700 let qsearch = String.sub
qsearch 0 (len - 1) in
1702 match search active qsearch ~
-1 with
1704 state.text <- qsearch ^
" [not found]";
1707 state.text <- qsearch;
1708 active, firstof active
1710 state.mode
<- Outline
(allowdel
, active, first
, outlines, qsearch);
1712 Glut.postRedisplay
()
1715 if active < Array.length
outlines
1717 let (_
, _
, n, t
) = outlines.(active) in
1722 if allowdel
then state.bookmarks <- Array.to_list
outlines;
1724 Glut.postRedisplay
();
1726 | _
when key
>= 32 && key
< 127 ->
1727 let pattern = addchar qsearch (Char.chr key
) in
1729 match search active pattern 1 with
1731 state.text <- pattern ^
" [not found]";
1734 state.text <- pattern;
1735 active, firstof active
1737 state.mode
<- Outline
(allowdel
, active, first
, outlines, pattern);
1738 Glut.postRedisplay
()
1740 | 14 when not allowdel
-> (* ctrl-n *)
1741 if String.length
qsearch > 0
1743 let optoutlines = narrow outlines qsearch in
1744 begin match optoutlines with
1745 | None
-> state.text <- "can't narrow"
1747 state.mode
<- Outline
(allowdel
, 0, 0, outlines, qsearch);
1748 match state.outlines with
1751 state.outlines <- Onarrow
(qsearch, outlines, a)
1752 | Onarrow
(pat
, a, b) ->
1753 state.outlines <- Onarrow
(qsearch, outlines, b)
1756 Glut.postRedisplay
()
1758 | 21 when not allowdel
-> (* ctrl-u *)
1760 match state.outlines with
1763 let a = Array.of_list
(List.rev
l) in
1764 state.outlines <- Oarray
a;
1766 | Onarrow
(pat
, a, b) ->
1767 state.outlines <- Oarray
b;
1771 state.mode
<- Outline
(allowdel
, 0, 0, outline, qsearch);
1772 Glut.postRedisplay
()
1775 state.mode
<- Outline
1776 (allowdel
, active, firstof active, outlines, qsearch);
1777 Glut.postRedisplay
()
1779 | 127 when allowdel
->
1780 let len = Array.length
outlines - 1 in
1784 state.bookmarks <- [];
1787 let bookmarks = Array.init
len
1789 let i = if i >= active then i + 1 else i in
1801 Glut.postRedisplay
()
1803 | _
-> dolog "unknown key %d" key
1806 let keyboard ~key ~x ~
y =
1811 match state.mode
with
1812 | Outline
outline -> outlinekeyboard ~key ~x ~
y outline
1813 | Textentry
textentry -> textentrykeyboard ~key ~x ~
y textentry
1814 | Birdseye birdseye
-> birdseyekeyboard ~key ~x ~
y birdseye
1815 | View
-> viewkeyboard ~key ~x ~
y
1818 let birdseyespecial key x
y (conf, leftx
, pageno, hooverpageno
, anchor) =
1821 let pageno = max
0 (pageno - 1) in
1822 let rec loop = function
1823 | [] -> gotopage1 pageno 0
1824 | l :: _
when l.pageno = pageno ->
1825 if l.pagedispy
>= 0 && l.pagey = 0
1826 then Glut.postRedisplay
()
1827 else gotopage1 pageno 0
1828 | _
:: rest
-> loop rest
1831 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor)
1834 let pageno = min
(state.pagecount
- 1) (pageno + 1) in
1835 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor);
1836 let rec loop = function
1838 let y, h = getpageyh pageno in
1839 let dy = (y - state.y) - (conf.winh
- h - conf.interpagespace) in
1841 | l :: rest
when l.pageno = pageno ->
1842 if l.pagevh != l.pageh
1843 then gotoy (clamp (l.pageh
- l.pagevh + conf.interpagespace))
1844 else Glut.postRedisplay
()
1845 | l :: rest
-> loop rest
1849 | Glut.KEY_PAGE_UP
->
1850 begin match state.layout with
1854 state.mode
<- Birdseye
(
1855 conf, leftx
, l.pageno, hooverpageno
, anchor
1857 gotopage1 l.pageno 0;
1860 let layout = layout (state.y-conf.winh
) conf.winh
in
1862 | [] -> gotoy (clamp (-conf.winh
))
1864 state.mode
<- Birdseye
(
1865 conf, leftx
, l.pageno, hooverpageno
, anchor
1867 gotopage1 l.pageno 0
1870 | [] -> gotoy (clamp (-conf.winh
))
1873 | Glut.KEY_PAGE_DOWN
->
1874 begin match List.rev
state.layout with
1876 let layout = layout (state.y + conf.winh
) conf.winh
in
1877 begin match layout with
1879 let incr = l.pageh
- l.pagevh in
1884 conf, leftx
, state.pagecount
- 1, hooverpageno
, anchor
1886 Glut.postRedisplay
();
1888 else gotoy (clamp (incr + conf.interpagespace*2));
1892 Birdseye
(conf, leftx
, l.pageno, hooverpageno
, anchor);
1893 gotopage1 l.pageno 0;
1896 | [] -> gotoy (clamp conf.winh
)
1900 state.mode
<- Birdseye
(conf, leftx
, 0, hooverpageno
, anchor);
1904 let pageno = state.pagecount
- 1 in
1905 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor);
1906 if not
(pagevisible state.layout pageno)
1909 match List.rev
state.pdims
with
1911 | (_
, _
, h, _
) :: _
-> h
1913 gotoy (max
0 (getpagey pageno - (conf.winh
- h - conf.interpagespace)))
1914 else Glut.postRedisplay
();
1918 let setautoscrollspeed goingdown
=
1919 let incr = max
1 (state.ascrollstep
/ 2) in
1920 let astep = max
1 (state.ascrollstep
+ (if goingdown
then incr else -incr)) in
1921 state.ascrollstep
<- astep;
1924 let special ~key ~x ~
y =
1925 match state.mode
with
1926 | View
| (Birdseye _
) when key
= Glut.KEY_F9
->
1930 birdseyespecial key x
y vals
1933 if state.ascrollstep
> 0 && (key
= Glut.KEY_DOWN
|| key
= Glut.KEY_UP
)
1934 then setautoscrollspeed (key
= Glut.KEY_DOWN
)
1938 | Glut.KEY_F3
-> search state.searchpattern
true; state.y
1939 | Glut.KEY_UP
-> clamp (-conf.scrollstep
)
1940 | Glut.KEY_DOWN
-> clamp conf.scrollstep
1941 | Glut.KEY_PAGE_UP
->
1942 if Glut.getModifiers
() land Glut.active_ctrl
!= 0
1944 match state.layout with
1946 | l :: _
-> state.y - l.pagey
1949 | Glut.KEY_PAGE_DOWN
->
1950 if Glut.getModifiers
() land Glut.active_ctrl
!= 0
1952 match List.rev
state.layout with
1954 | l :: _
-> getpagey l.pageno
1957 | Glut.KEY_HOME
-> addnav (); 0
1960 state.maxy - (if conf.maxhfit
then conf.winh
else 0)
1962 | Glut.KEY_RIGHT
when conf.zoom > 1.0 ->
1963 state.x
<- state.x
- 10;
1965 | Glut.KEY_LEFT
when conf.zoom > 1.0 ->
1966 state.x
<- state.x
+ 10;
1971 gotoy_and_clear_text y
1974 ((c, s, (Some
(action, _
) as onhist), onkey
, ondone), mode
) ->
1977 | Glut.KEY_UP
-> action HCprev
1978 | Glut.KEY_DOWN
-> action HCnext
1979 | Glut.KEY_HOME
-> action HCfirst
1980 | Glut.KEY_END
-> action HClast
1983 state.mode
<- Textentry
((c, s, onhist, onkey
, ondone), mode
);
1984 Glut.postRedisplay
()
1988 | Outline
(allowdel
, active, first
, outlines, qsearch) ->
1989 let maxrows = maxoutlinerows () in
1990 let calcfirst first
active =
1993 let rows = active - first
in
1994 if rows > maxrows then active - maxrows else first
1998 let active = active + incr in
1999 let active = max
0 (min
active (Array.length
outlines - 1)) in
2000 let first = calcfirst first active in
2001 state.mode
<- Outline
(allowdel
, active, first, outlines, qsearch);
2002 Glut.postRedisplay
()
2004 let updownlevel incr =
2005 let len = Array.length
outlines in
2006 let (_
, curlevel
, _
, _
) = outlines.(active) in
2008 if i = len then i-1 else if i = -1 then 0 else
2009 let (_
, l, _
, _
) = outlines.(i) in
2010 if l != curlevel
then i else flow (i+incr)
2012 let active = flow active in
2013 let first = calcfirst first active in
2014 state.mode
<- Outline
(allowdel
, active, first, outlines, qsearch);
2015 Glut.postRedisplay
()
2018 | Glut.KEY_UP
-> navigate ~
-1
2019 | Glut.KEY_DOWN
-> navigate 1
2020 | Glut.KEY_PAGE_UP
-> navigate ~
-maxrows
2021 | Glut.KEY_PAGE_DOWN
-> navigate maxrows
2023 | Glut.KEY_RIGHT
when not allowdel
-> updownlevel 1
2024 | Glut.KEY_LEFT
when not allowdel
-> updownlevel ~
-1
2027 state.mode
<- Outline
(allowdel
, 0, 0, outlines, qsearch);
2028 Glut.postRedisplay
()
2031 let active = Array.length
outlines - 1 in
2032 let first = max
0 (active - maxrows) in
2033 state.mode
<- Outline
(allowdel
, active, first, outlines, qsearch);
2034 Glut.postRedisplay
()
2039 let drawplaceholder l =
2040 let margin = state.x
+ (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2042 (float l.pagex
, float l.pagedispy
)
2043 (float (l.pagew
+ l.pagex
), float (l.pagedispy
+ l.pagevh))
2045 let x = float (if margin < 0 then -margin else l.pagex
)
2046 and y = float (l.pagedispy
+ 13) in
2047 let font = Glut.BITMAP_8_BY_13
in
2048 GlDraw.color
(0.0, 0.0, 0.0);
2049 GlPix.raster_pos ~
x ~
y ();
2050 String.iter
(fun c -> Glut.bitmapCharacter ~
font ~
c:(Char.code
c))
2051 ("Loading " ^ string_of_int
(l.pageno + 1));
2054 let now () = Unix.gettimeofday
();;
2058 match state.mode
with
2059 | Textentry _
-> scalecolor 0.4
2060 | View
| Outline _
-> scalecolor 1.0
2061 | Birdseye
(_
, _
, pageno, hooverpageno
, _
) ->
2062 if l.pageno = pageno
2065 if l.pageno = hooverpageno
2071 begin match getopaque l.pageno with
2072 | Some
(opaque, _
) when validopaque opaque ->
2074 draw
(l.pagedispy
, l.pagew
, l.pagevh, l.pagey, conf.hlinks
)
2078 vlog "draw %d %f sec" l.pageno d;
2086 let maxy = state.maxy - (if conf.maxhfit
then conf.winh
else 0) in
2087 let sh = (float (maxy + conf.winh
) /. float conf.winh
) in
2088 let sh = float conf.winh
/. sh in
2089 let sh = max
sh (float conf.scrollh
) in
2092 if state.y = state.maxy
2094 else float y /. float maxy
2096 let position = (float conf.winh
-. sh) *. percent in
2099 if position +. sh > float conf.winh
2100 then float conf.winh
-. sh
2106 let scrollindicator () =
2107 GlDraw.color (0.64 , 0.64, 0.64);
2109 (float (conf.winw
- conf.scrollw
), 0.)
2110 (float conf.winw
, float conf.winh
)
2112 GlDraw.color (0.0, 0.0, 0.0);
2114 let position, sh = scrollph state.y in
2116 (float (conf.winw
- conf.scrollw
), position)
2117 (float conf.winw
, position +. sh)
2121 let showsel margin =
2122 match state.mstate
with
2123 | Mnone
| Mscroll _
| Mpan _
| Mzoom _
->
2126 | Msel
((x0
, y0
), (x1
, y1
)) ->
2127 let rec loop = function
2129 if (y0
>= l.pagedispy
&& y0
<= (l.pagedispy
+ l.pagevh))
2130 || ((y1
>= l.pagedispy
&& y1
<= (l.pagedispy
+ l.pagevh)))
2132 match getopaque l.pageno with
2133 | Some
(opaque, _
) when validopaque opaque ->
2134 let oy = -l.pagey + l.pagedispy
in
2136 (x0
- margin - state.x, y0
,
2137 x1
- margin - state.x, y1
) oy;
2147 let panx = float state.x in
2149 GlDraw.color (0.0, 0.0, 1.0) ~alpha
:0.5;
2150 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2152 (fun (pageno, c, (x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
)) ->
2154 if l.pageno = pageno
2156 let d = float (l.pagedispy
- l.pagey) in
2157 GlDraw.color (0.0, 0.0, 1.0 /. float c) ~alpha
:0.5;
2158 GlDraw.begins `quads
;
2160 GlDraw.vertex2
(x0
+.panx, y0
+.d);
2161 GlDraw.vertex2
(x1
+.panx, y1
+.d);
2162 GlDraw.vertex2
(x2
+.panx, y2
+.d);
2163 GlDraw.vertex2
(x3
+.panx, y3
+.d);
2173 let showoutline () =
2174 match state.mode
with
2175 | Outline
(allowdel
, active, first, outlines, qsearch) ->
2177 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2178 GlDraw.color (0., 0., 0.) ~alpha
:0.85;
2179 GlDraw.rect (0., 0.) (float conf.winw
, float conf.winh
);
2182 GlDraw.color (1., 1., 1.);
2183 let font = Glut.BITMAP_9_BY_15
in
2184 let draw_string x y s =
2185 GlPix.raster_pos ~
x ~
y ();
2186 String.iter
(fun c -> Glut.bitmapCharacter ~
font ~
c:(Char.code
c)) s
2189 if row
= Array.length
outlines || (row
- first) * 16 > conf.winh
2192 let (s, l, _
, _
) = outlines.(row
) in
2193 let y = (row
- first) * 16 in
2198 GlDraw.polygon_mode `both `line
;
2199 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2200 GlDraw.color (1., 1., 1.) ~alpha
:0.9;
2201 GlDraw.rect (0., float (y + 1))
2202 (float (conf.winw
- 1), float (y + 18));
2203 GlDraw.polygon_mode `both `fill
;
2205 GlDraw.color (1., 1., 1.);
2207 draw_string (float x) (float (y + 16)) s;
2217 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2218 GlDraw.viewport
margin 0 state.w conf.winh
;
2220 GlClear.color (scalecolor 0.5);
2221 GlClear.clear
[`
color];
2224 Gl.enable `scissor_test
;
2225 GlMisc.scissor
0 0 (conf.winw
- conf.scrollw
) conf.winh
;
2227 List.iter
drawpage state.layout;
2230 Gl.disable `scissor_test
2234 let x = -.float state.x in
2235 GlMat.translate ~
x ();
2239 GlDraw.viewport
0 0 conf.winw
conf.winh
;
2244 Glut.swapBuffers
();
2248 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2249 let x = x - margin - state.x in
2250 let rec f = function
2252 begin match getopaque l.pageno with
2253 | Some
(opaque, _
) when validopaque opaque ->
2254 let y = y - l.pagedispy
in
2257 let y = l.pagey + y in
2258 let x = x - l.pagex
in
2259 match whatsunder
opaque x y with
2272 let viewmouse button bstate
x y =
2274 | Glut.OTHER_BUTTON
n when (n == 3 || n == 4) && bstate
= Glut.UP
->
2275 if Glut.getModifiers
() land Glut.active_ctrl
!= 0
2277 match state.mstate
with
2278 | Mzoom
(oldn
, i) ->
2286 if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01
2288 if conf.zoom -. 0.1 < 0.1 then -0.01 else -0.1
2290 let zoom = conf.zoom +. incr in
2292 state.mstate
<- Mzoom
(n, 0);
2294 state.mstate
<- Mzoom
(n, i+1);
2296 else state.mstate
<- Mzoom
(n, 0)
2298 | _
-> state.mstate
<- Mzoom
(n, 0)
2301 if state.ascrollstep
> 0
2303 setautoscrollspeed (n=4)
2307 then -conf.scrollstep
2308 else conf.scrollstep
2310 let incr = incr * 2 in
2311 let y = clamp incr in
2312 gotoy_and_clear_text y
2315 | Glut.LEFT_BUTTON
when Glut.getModifiers
() land Glut.active_ctrl
!= 0 ->
2316 if bstate
= Glut.DOWN
2318 Glut.setCursor
Glut.CURSOR_CROSSHAIR
;
2319 state.mstate
<- Mpan
(x, y)
2322 state.mstate
<- Mnone
2324 | Glut.LEFT_BUTTON
when x > conf.winw
- conf.scrollw
->
2325 if bstate
= Glut.DOWN
2327 let position, sh = scrollph state.y in
2328 if y > truncate
position && y < truncate
(position +. sh)
2330 state.mstate
<- Mscroll
2332 let percent = float y /. float conf.winh
in
2333 let desty = truncate
(float (state.maxy - conf.winh
) *. percent) in
2335 state.mstate
<- Mscroll
2337 state.mstate
<- Mnone
2339 | Glut.LEFT_BUTTON
->
2340 let dest = if bstate
= Glut.DOWN
then getunder x y else Unone
in
2341 begin match dest with
2342 | Ulinkgoto
(pageno, top) ->
2346 gotopage1 pageno top;
2352 | Unone
when bstate
= Glut.DOWN
->
2353 Glut.setCursor
Glut.CURSOR_CROSSHAIR
;
2354 state.mstate
<- Mpan
(x, y);
2356 | Unone
| Utext _
->
2357 if bstate
= Glut.DOWN
2359 if conf.angle
mod 360 = 0
2361 state.mstate
<- Msel
((x, y), (x, y));
2362 Glut.postRedisplay
()
2366 match state.mstate
with
2369 | Mzoom _
| Mscroll
->
2370 state.mstate
<- Mnone
2373 Glut.setCursor
Glut.CURSOR_INHERIT
;
2374 state.mstate
<- Mnone
2376 | Msel
((x0
, y0
), (x1
, y1
)) ->
2378 if (y0
>= l.pagedispy
&& y0
<= (l.pagedispy
+ l.pagevh))
2379 || ((y1
>= l.pagedispy
&& y1
<= (l.pagedispy
+ l.pagevh)))
2381 match getopaque l.pageno with
2382 | Some
(opaque, _
) when validopaque opaque ->
2386 List.iter
f state.layout;
2387 copysel
""; (* ugly *)
2388 Glut.setCursor
Glut.CURSOR_INHERIT
;
2389 state.mstate
<- Mnone
;
2396 let birdseyemouse button bstate
x y
2397 (conf, leftx
, pageno, hooverpageno
, anchor) =
2399 | Glut.LEFT_BUTTON
when bstate
= Glut.UP
->
2400 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2401 let rec loop = function
2404 if y > l.pagedispy
&& y < l.pagedispy
+ l.pagevh
2405 && x > margin && x < margin + l.pagew
2407 birdseyeoff (conf, leftx
, l.pageno, hooverpageno
, anchor) false;
2412 | Glut.OTHER_BUTTON _
-> viewmouse button bstate
x y
2416 let mouse bstate button
x y =
2417 match state.mode
with
2418 | View
-> viewmouse button bstate
x y
2419 | Birdseye beye
-> birdseyemouse button bstate
x y beye
2424 let mouse ~button ~
state ~
x ~
y = mouse state button
x y;;
2427 match state.mode
with
2430 match state.mstate
with
2431 | Mzoom _
| Mnone
-> ()
2436 state.mstate
<- Mpan
(x, y);
2437 if conf.zoom > 1.0 then state.x <- state.x + dx;
2439 gotoy_and_clear_text y
2442 state.mstate
<- Msel
(a, (x, y));
2443 Glut.postRedisplay
()
2446 let y = min
conf.winh
(max
0 y) in
2447 let percent = float y /. float conf.winh
in
2448 let y = truncate
(float (state.maxy - conf.winh
) *. percent) in
2449 gotoy_and_clear_text y
2453 match state.mode
with
2454 | Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor) ->
2455 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2456 let rec loop = function
2458 if hooverpageno
!= -1
2460 state.mode
<- Birdseye
(conf, leftx
, pageno, -1, anchor);
2461 Glut.postRedisplay
();
2464 if y > l.pagedispy
&& y < l.pagedispy
+ l.pagevh
2465 && x > margin && x < margin + l.pagew
2467 state.mode
<- Birdseye
(conf, leftx
, pageno, l.pageno, anchor);
2468 Glut.postRedisplay
();
2476 match state.mstate
with
2478 begin match getunder x y with
2479 | Unone
-> Glut.setCursor
Glut.CURSOR_INHERIT
2481 if conf.underinfo
then showtext 'u'
("ri: " ^ uri
);
2482 Glut.setCursor
Glut.CURSOR_INFO
2483 | Ulinkgoto
(page
, y) ->
2485 then showtext 'p'
("age: " ^ string_of_int page
);
2486 Glut.setCursor
Glut.CURSOR_INFO
2488 if conf.underinfo
then showtext '
f'
("ont: " ^
s);
2489 Glut.setCursor
Glut.CURSOR_TEXT
2492 | Mpan _
| Msel _
| Mzoom _
| Mscroll
->
2503 match Sys.os_type
with
2504 | "Win32" -> Sys.getenv
"HOMEPATH"
2505 | _
-> Sys.getenv
"HOME"
2508 ("Can not determine home directory location: " ^
2509 Printexc.to_string exn
);
2513 let config_of c attrs
=
2517 | "scroll-bar-width" -> { c with scrollw
= max
0 (int_of_string v
) }
2518 | "scroll-handle-height" -> { c with scrollh
= max
0 (int_of_string v
) }
2519 | "case-insensitive-search" -> { c with icase
= bool_of_string v
}
2520 | "preload" -> { c with preload = bool_of_string v
}
2521 | "page-bias" -> { c with pagebias
= int_of_string v
}
2522 | "scroll-step" -> { c with scrollstep
= max
1 (int_of_string v
) }
2523 | "auto-scroll-step" ->
2524 { c with autoscrollstep
= max
0 (int_of_string v
) }
2525 | "max-height-fit" -> { c with maxhfit
= bool_of_string v
}
2526 | "crop-hack" -> { c with crophack
= bool_of_string v
}
2527 | "throttle" -> { c with showall
= bool_of_string v
}
2528 | "highlight-links" -> { c with hlinks
= bool_of_string v
}
2529 | "under-cursor-info" -> { c with underinfo
= bool_of_string v
}
2530 | "vertical-margin" ->
2531 { c with interpagespace = max
0 (int_of_string v
) }
2533 let zoom = float_of_string v
/. 100. in
2534 let zoom = max
0.01 (min
2.2 zoom) in
2535 { c with zoom = zoom }
2536 | "presentation" -> { c with presentation = bool_of_string v
}
2537 | "rotation-angle" -> { c with angle
= int_of_string v
}
2538 | "width" -> { c with winw
= max
20 (int_of_string v
) }
2539 | "height" -> { c with winh
= max
20 (int_of_string v
) }
2540 | "persistent-bookmarks" -> { c with savebmarks
= bool_of_string v
}
2541 | "proportional-display" -> { c with proportional
= bool_of_string v
}
2542 | "pixmap-cache-size" -> { c with memlimit
= max
2 (int_of_string v
) }
2543 | "tex-count" -> { c with texcount
= max
1 (int_of_string v
) }
2544 | "slice-height" -> { c with sliceheight
= max
2 (int_of_string v
) }
2545 | "thumbnail-width" -> { c with thumbw
= max
2 (int_of_string v
) }
2548 prerr_endline
("Error processing attribute (`" ^
2549 k ^
"'=`" ^ v ^
"'): " ^
Printexc.to_string exn
);
2552 let rec fold c = function
2555 let c = apply c k v
in
2561 let fromstring f pos
n v
d =
2564 dolog "Error processing attribute (%S=%S) at %d\n%s"
2565 n v pos
(Printexc.to_string exn
)
2570 let bookmark_of attrs
=
2571 let rec fold title page rely
= function
2572 | ("title", v
) :: rest
-> fold v page rely rest
2573 | ("page", v
) :: rest
-> fold title v rely rest
2574 | ("rely", v
) :: rest
-> fold title page v rest
2575 | _
:: rest
-> fold title page rely rest
2576 | [] -> title, page
, rely
2578 fold "invalid" "0" "0" attrs
2582 let rec fold path page rely pan
= function
2583 | ("path", v
) :: rest
-> fold v page rely pan rest
2584 | ("page", v
) :: rest
-> fold path v rely pan rest
2585 | ("rely", v
) :: rest
-> fold path page v pan rest
2586 | ("pan", v
) :: rest
-> fold path page rely v rest
2587 | _
:: rest
-> fold path page rely pan rest
2588 | [] -> path
, page
, rely
, pan
2590 fold "" "0" "0" "0" attrs
2593 let setconf dst src
=
2594 dst
.scrollw
<- src
.scrollw
;
2595 dst
.scrollh
<- src
.scrollh
;
2596 dst
.icase
<- src
.icase
;
2597 dst
.preload <- src
.preload;
2598 dst
.pagebias
<- src
.pagebias
;
2599 dst
.verbose
<- src
.verbose
;
2600 dst
.scrollstep
<- src
.scrollstep
;
2601 dst
.maxhfit
<- src
.maxhfit
;
2602 dst
.crophack
<- src
.crophack
;
2603 dst
.autoscrollstep
<- src
.autoscrollstep
;
2604 dst
.showall
<- src
.showall
;
2605 dst
.hlinks
<- src
.hlinks
;
2606 dst
.underinfo
<- src
.underinfo
;
2607 dst
.interpagespace <- src
.interpagespace;
2608 dst
.zoom <- src
.zoom;
2609 dst
.presentation <- src
.presentation;
2610 dst
.angle
<- src
.angle
;
2611 dst
.winw
<- src
.winw
;
2612 dst
.winh
<- src
.winh
;
2613 dst
.savebmarks
<- src
.savebmarks
;
2614 dst
.memlimit
<- src
.memlimit
;
2615 dst
.proportional
<- src
.proportional
;
2616 dst
.texcount
<- src
.texcount
;
2617 dst
.sliceheight
<- src
.sliceheight
;
2618 dst
.thumbw
<- src
.thumbw
;
2622 let l = String.length
s in
2623 let b = Buffer.create
l in
2629 let h = Hashtbl.create
10 in
2630 let dc = { defconf with angle
= defconf.angle
} in
2631 let rec toplevel v t spos epos
=
2633 | Vdata
| Vcdata
| Vend
-> v
2634 | Vopen
("llppconfig", attrs
, closed
) ->
2637 else { v
with f = llppconfig
}
2639 error
"unexpected subelement at top level" s spos
2640 | Vclose tag
-> error
"unexpected close at top level" s spos
2642 and llppconfig v t spos epos
=
2644 | Vdata
| Vcdata
| Vend
-> v
2645 | Vopen
("defaults", attrs
, closed
) ->
2646 let c = config_of dc attrs
in
2650 else { v
with f = skip
"defaults" (fun () -> v
) }
2652 | Vopen
("doc", attrs
, closed
) ->
2653 let pathent, spage
, srely
, span
= doc_of attrs
in
2654 let path = unent pathent
2655 and pageno = fromstring int_of_string spos
"page" spage
0
2656 and rely
= fromstring float_of_string spos
"rely" srely
0.0
2657 and pan
= fromstring int_of_string spos
"pan" span
0 in
2658 let c = config_of dc attrs
in
2659 let anchor = (pageno, rely
) in
2661 then (Hashtbl.add
h path (c, [], pan
, anchor); v
)
2662 else { v
with f = doc
path pan
anchor c [] }
2664 | Vopen
(tag
, _
, closed
) ->
2665 error
"unexpected subelement in llppconfig" s spos
2667 | Vclose
"llppconfig" -> { v
with f = toplevel }
2668 | Vclose tag
-> error
"unexpected close in llppconfig" s spos
2670 and doc
path pan
anchor c bookmarks v t spos epos
=
2672 | Vdata
| Vcdata
-> v
2673 | Vend
-> error
"unexpected end of input in doc" s spos
2674 | Vopen
("bookmarks", attrs
, closed
) ->
2675 { v
with f = pbookmarks
path pan
anchor c bookmarks }
2677 | Vopen
(tag
, _
, _
) ->
2678 error
"unexpected subelement in doc" s spos
2681 Hashtbl.add
h path (c, List.rev
bookmarks, pan
, anchor);
2682 { v
with f = llppconfig
}
2684 | Vclose tag
-> error
"unexpected close in doc" s spos
2686 and pbookmarks
path pan
anchor c bookmarks v t spos epos
=
2688 | Vdata
| Vcdata
-> v
2689 | Vend
-> error
"unexpected end of input in bookmarks" s spos
2690 | Vopen
("item", attrs
, closed
) ->
2691 let titleent, spage
, srely
= bookmark_of attrs
in
2692 let page = fromstring int_of_string spos
"page" spage
0
2693 and rely
= fromstring float_of_string spos
"rely" srely
0.0 in
2694 let bookmarks = (unent titleent, 0, page, rely
) :: bookmarks in
2696 then { v
with f = pbookmarks
path pan
anchor c bookmarks }
2699 { v
with f = skip
"item" f }
2702 error
"unexpected subelement in bookmarks" s spos
2704 | Vclose
"bookmarks" ->
2705 { v
with f = doc
path pan
anchor c bookmarks }
2707 | Vclose tag
-> error
"unexpected close in bookmarks" s spos
2709 and skip tag
f v t spos epos
=
2711 | Vdata
| Vcdata
-> v
2713 error
("unexpected end of input in skipped " ^ tag
) s spos
2714 | Vopen
(tag'
, _
, closed
) ->
2718 let f'
() = { v
with f = skip tag
f } in
2719 { v
with f = skip tag'
f'
}
2723 else error
("unexpected close in skipped " ^ tag
) s spos
2726 parse
{ f = toplevel; accu = () } s;
2732 let len = in_channel_length ic
in
2733 let s = String.create
len in
2734 really_input ic
s 0 len;
2737 | Parse_error
(msg
, s, pos
) ->
2738 let subs = subs s pos
in
2739 let s = Printf.sprintf
"%s: at %d [..%s..]" msg pos
subs in
2740 failwith
("parse error: " ^
s)
2743 failwith
("config load error: " ^
Printexc.to_string exn
)
2749 let dir = Filename.concat
home ".config" in
2750 if Sys.is_directory
dir then dir else home
2753 Filename.concat
dir "llpp.conf"
2757 if Sys.file_exists
path
2760 (try Some
(open_in_bin
path)
2763 ("Error opening configuation file `" ^
path ^
"': " ^
2764 Printexc.to_string exn
);
2773 ("Error loading configuation from `" ^
path ^
"': " ^
2774 Printexc.to_string exn
);
2780 f (Hashtbl.create
0, defconf)
2785 let pc, pb
, px
, pa
=
2787 Hashtbl.find
h (Filename.basename
state.path)
2788 with Not_found
-> dc, [], 0, (0, 0.0)
2792 state.bookmarks <- pb
;
2794 cbput state.hists
.nav pa
;
2799 let add_attrs bb always
dc c =
2802 then Printf.bprintf bb
"\n %s='%b'" s a
2805 then Printf.bprintf bb
"\n %s='%d'" s a
2808 then Printf.bprintf bb
"\n %s='%f'" s (a*.100.)
2812 then dc.winw
, dc.winh
2814 match state.fullscreen
with
2816 | None
-> c.winw
, c.winh
2818 let zoom, presentation, interpagespace, showall
=
2820 then dc.zoom, dc.presentation, dc.interpagespace, dc.showall
2822 match state.mode
with
2823 | Birdseye
(bc
, _
, _
, _
, _
) ->
2824 bc
.zoom, bc
.presentation, bc
.interpagespace, bc
.showall
2825 | _
-> c.zoom, c.presentation, c.interpagespace, c.showall
2827 oi
"width" w dc.winw
;
2828 oi
"height" h dc.winh
;
2829 oi
"scroll-bar-width" c.scrollw
dc.scrollw
;
2830 oi
"scroll-handle-height" c.scrollh
dc.scrollh
;
2831 ob "case-insensitive-search" c.icase
dc.icase
;
2832 ob "preload" c.preload dc.preload;
2833 oi
"page-bias" c.pagebias
dc.pagebias
;
2834 oi
"scroll-step" c.scrollstep
dc.scrollstep
;
2835 oi
"auto-scroll-step" c.autoscrollstep
dc.autoscrollstep
;
2836 ob "max-height-fit" c.maxhfit
dc.maxhfit
;
2837 ob "crop-hack" c.crophack
dc.crophack
;
2838 ob "throttle" showall
dc.showall
;
2839 ob "highlight-links" c.hlinks
dc.hlinks
;
2840 ob "under-cursor-info" c.underinfo
dc.underinfo
;
2841 oi
"vertical-margin" interpagespace dc.interpagespace;
2842 oz
"zoom" zoom dc.zoom;
2843 ob "presentation" presentation dc.presentation;
2844 oi
"rotation-angle" c.angle
dc.angle
;
2845 ob "persistent-bookmarks" c.savebmarks
dc.savebmarks
;
2846 ob "proportional-display" c.proportional
dc.proportional
;
2847 oi
"pixmap-cache-size" c.memlimit
dc.memlimit
;
2848 oi
"texcount" c.texcount
dc.texcount
;
2849 oi
"slice-height" c.sliceheight
dc.sliceheight
;
2850 oi
"thumbnail-width" c.thumbw
dc.thumbw
;
2854 let bb = Buffer.create
32768 in
2856 Buffer.add_string
bb "<llppconfig>\n<defaults ";
2857 add_attrs bb true dc dc;
2858 Buffer.add_string
bb "/>\n";
2860 let adddoc path pan
anchor c bookmarks =
2861 if bookmarks == [] && c = dc && anchor = emptyanchor
2864 Printf.bprintf
bb "<doc path='%s'"
2865 (enent
path 0 (String.length
path));
2867 if anchor <> emptyanchor
2869 let n, y = anchor in
2870 Printf.bprintf
bb " page='%d'" n;
2871 Printf.bprintf
bb " rely='%f'" y;
2875 then Printf.bprintf
bb " pan='%d'" pan
;
2877 add_attrs bb false dc c;
2879 begin match bookmarks with
2880 | [] -> Buffer.add_string
bb "/>\n"
2882 Buffer.add_string
bb ">\n<bookmarks>\n";
2883 List.iter
(fun (title, _level
, page, rely
) ->
2885 "<item title='%s' page='%d' rely='%f'/>\n"
2886 (enent
title 0 (String.length
title))
2890 Buffer.add_string
bb "</bookmarks>\n</doc>\n";
2896 match state.mode
with
2897 | Birdseye
(_
, pan, _
, _
, _
) -> pan
2900 let basename = Filename.basename state.path in
2901 adddoc basename pan (getanchor ())
2904 if state.ascrollstep
> 0
2905 then state.ascrollstep
2906 else conf.autoscrollstep
}
2907 (if conf.savebmarks
then state.bookmarks else []);
2909 Hashtbl.iter
(fun path (c, bookmarks, x, y) ->
2911 then adddoc path x y c bookmarks
2913 Buffer.add_string
bb "</llppconfig>";
2916 if Buffer.length
bb > 0
2919 let tmp = path ^
".tmp" in
2920 let oc = open_out_bin
tmp in
2921 Buffer.output_buffer
oc bb;
2923 Sys.rename
tmp path;
2926 ("error while saving configuration: " ^
Printexc.to_string exn
)
2932 ["-p", Arg.String
(fun s -> state.password
<- s) , "password"]
2933 (fun s -> state.path <- s)
2934 ("Usage: " ^
Sys.argv
.(0) ^
" [options] some.pdf\noptions:")
2936 if String.length
state.path = 0
2937 then (prerr_endline
"filename missing"; exit
1);
2941 let _ = Glut.init
Sys.argv
in
2942 let () = Glut.initDisplayMode ~depth
:false ~double_buffer
:true () in
2943 let () = Glut.initWindowSize
conf.winw
conf.winh
in
2944 let _ = Glut.createWindow
("llpp " ^
Filename.basename state.path) in
2947 if Sys.os_type
= "Unix"
2949 Unix.socketpair
Unix.PF_UNIX
Unix.SOCK_STREAM
0
2951 let addr = Unix.ADDR_INET
(Unix.inet_addr_loopback
, 1337) in
2952 let sock = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
2953 Unix.setsockopt
sock Unix.SO_REUSEADDR
true;
2954 Unix.bind
sock addr;
2956 let csock = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
2957 Unix.connect
csock addr;
2958 let ssock, _ = Unix.accept
sock in
2961 Unix.setsockopt
sock Unix.TCP_NODELAY
true;
2962 Unix.setsockopt_optint
sock Unix.SO_LINGER None
;
2966 at_exit
(fun () -> Unix.shutdown
ssock Unix.SHUTDOWN_ALL
);
2970 let () = Glut.displayFunc
display in
2971 let () = Glut.reshapeFunc
reshape in
2972 let () = Glut.keyboardFunc
keyboard in
2973 let () = Glut.specialFunc
special in
2974 let () = Glut.idleFunc
(Some
idle) in
2975 let () = Glut.mouseFunc
mouse in
2976 let () = Glut.motionFunc
motion in
2977 let () = Glut.passiveMotionFunc
pmotion in
2979 init
ssock (conf.angle
, conf.proportional
, conf.texcount
, conf.sliceheight
);
2980 state.csock <- csock;
2981 state.ssock <- ssock;
2982 state.text <- "Opening " ^
state.path;
2983 writeopen state.path state.password
;
2987 let rec handlelablglutbug () =
2990 with Glut.BadEnum
"key in special_of_int" ->
2991 showtext '
!'
" LablGlut bug: special key not recognized";
2992 handlelablglutbug ()
2994 handlelablglutbug ();