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
)
44 type textentry
= (char
* string * onhist
* onkey
* ondone
)
45 and onkey
= string -> int -> te
46 and ondone
= string -> unit
47 and histcancel
= unit -> unit
48 and onhist
= ((histcmd
-> string) * histcancel
) option
49 and histcmd
= HCnext
| HCprev
| HCfirst
| HClast
54 | TEswitch
of textentry
66 { store
= Array.create n v
73 let cbcap b
= Array.length b
.store
;;
78 b
.wc
<- (b
.wc
+ 1) mod cap;
80 b
.len
<- min
(b
.len
+ 1) cap;
83 let cbempty b
= b
.len
= 0;;
85 let cbgetg b circular dir
=
89 let rc = b
.rc + dir
in
101 else max
0 (min
rc (b
.len
-1))
107 let cbget b
= cbgetg b
false;;
108 let cbgetc b
= cbgetg b
true;;
111 let rc = b
.wc
- b
.len
in
112 let rc = if rc < 0 then cbcap b
+ rc else rc in
116 let cbdecr b
= b
.len
<- b
.len
- 1;;
131 { mutable scrollw
: int
132 ; mutable scrollh
: int
133 ; mutable icase
: bool
134 ; mutable preload
: bool
135 ; mutable pagebias
: int
136 ; mutable verbose
: bool
137 ; mutable scrollstep
: int
138 ; mutable maxhfit
: bool
139 ; mutable crophack
: bool
140 ; mutable autoscrollstep
: int
141 ; mutable showall
: bool
142 ; mutable hlinks
: bool
143 ; mutable underinfo
: bool
144 ; mutable interpagespace
: interpagespace
145 ; mutable zoom
: float
146 ; mutable presentation
: bool
147 ; mutable angle
: angle
150 ; mutable savebmarks
: bool
151 ; mutable proportional
: proportional
152 ; mutable memlimit
: int
153 ; mutable texcount
: texcount
154 ; mutable sliceheight
: sliceheight
155 ; mutable thumbw
: width
159 type outline
= string * int * int * float;;
161 | Oarray
of outline array
162 | Olist
of outline list
163 | Onarrow
of string * outline array
* outline array
166 type rect
= (float * float * float * float * float * float * float * float);;
168 type pagemapkey
= (pageno
* width
* angle
* proportional
* gen
);;
170 type anchor
= pageno
* top
;;
173 | Birdseye
of (conf
* leftx
* pageno
* pageno
* anchor
)
174 | Outline
of (bool * int * int * outline array
* string)
175 | Textentry
of (textentry
* mode
)
179 let isbirdseye = function Birdseye _
-> true | _
-> false;;
180 let istextentry = function Textentry _
-> true | _
-> false;;
183 { mutable csock
: Unix.file_descr
184 ; mutable ssock
: Unix.file_descr
188 ; mutable anchor
: anchor
190 ; mutable layout
: layout list
191 ; pagemap
: (pagemapkey
, (opaque
* pixmapsize
)) Hashtbl.t
192 ; mutable pdims
: (pageno
* width
* height
* leftx
) list
193 ; mutable pagecount
: int
194 ; pagecache
: string circbuf
195 ; mutable rendering
: bool
196 ; mutable mstate
: mstate
197 ; mutable searchpattern
: string
198 ; mutable rects
: (pageno
* recttype
* rect
) list
199 ; mutable rects1
: (pageno
* recttype
* rect
) list
200 ; mutable text
: string
201 ; mutable fullscreen
: (width
* height
) option
202 ; mutable mode
: mode
203 ; mutable outlines
: outlines
204 ; mutable bookmarks
: outline list
205 ; mutable path
: string
206 ; mutable password
: string
207 ; mutable invalidated
: int
208 ; mutable colorscale
: float
209 ; mutable memused
: int
211 ; mutable throttle
: layout list
option
212 ; mutable ascrollstep
: int
216 { pat
: string circbuf
217 ; pag
: string circbuf
218 ; nav
: anchor circbuf
232 ; autoscrollstep
= 24
238 ; presentation
= false
243 ; proportional
= true
244 ; memlimit
= 32*1024*1024
251 let conf = { defconf with angle
= defconf.angle
};;
262 ; pagemap
= Hashtbl.create
10
263 ; pagecache
= cbnew 100 ""
274 ; outlines
= Olist
[]
280 { nav
= cbnew 100 (0, 0.0)
295 Printf.kprintf prerr_endline fmt
297 Printf.kprintf ignore fmt
301 let len = String.length s
in
303 let b = Buffer.create
n in
304 Buffer.add_char
b (Char.chr
((len lsr 24) land 0xff));
305 Buffer.add_char
b (Char.chr
((len lsr 16) land 0xff));
306 Buffer.add_char
b (Char.chr
((len lsr 8) land 0xff));
307 Buffer.add_char
b (Char.chr
((len lsr 0) land 0xff));
308 Buffer.add_string
b s
;
309 let s'
= Buffer.contents
b in
310 let n'
= Unix.write fd
s'
0 n in
311 if n'
!= n then failwith
"write failed";
316 let n = Unix.read fd
s 0 4 in
317 if n != 4 then failwith
"incomplete read(len)";
319 lor (Char.code
s.[0] lsl 24)
320 lor (Char.code
s.[1] lsl 16)
321 lor (Char.code
s.[2] lsl 8)
322 lor (Char.code
s.[3] lsl 0)
324 let s = String.create
len in
325 let n = Unix.read fd
s 0 len in
326 if n != len then failwith
"incomplete read(data)";
331 let b = Buffer.create
10 in
332 Buffer.add_string
b s;
333 let rec combine = function
336 Buffer.add_char
b ' '
;
339 | `
b b -> if b then "1" else "0"
341 | `i i
-> string_of_int i
342 | `f f
-> string_of_float f
343 | `I f
-> string_of_int
(truncate f
)
345 Buffer.add_string
b s;
352 let cmd = Buffer.contents
(makecmd s l
) in
353 writecmd state.csock
cmd;
359 let d = conf.winh
- h
in
366 let rec f pn ph pi fh l
=
368 | (n, _
, h
, _
) :: rest
->
369 let ips = calcips h
in
374 if isbirdseye state.mode
&& pn
= 0
379 let fh = fh + ((n - pn
) * (ph
+ pi
)) in
384 if conf.presentation
|| (isbirdseye state.mode
&& pn
= 0)
388 let fh = fh + ((state.pagecount
- pn
) * (ph
+ pi
)) + inc in
391 let fh = f 0 0 0 0 state.pdims
in
395 let getpageyh pageno
=
396 let rec f pn ph pi y l
=
398 | (n, _
, h
, _
) :: rest
->
399 let ips = calcips h
in
402 let h = if n = pageno
then h else ph
in
403 if conf.presentation
&& n = pageno
405 y
+ (pageno
- pn
) * (ph
+ pi
) + pi
, h
407 y
+ (pageno
- pn
) * (ph
+ pi
), h
409 let y = y + (if conf.presentation
then pi
else 0) in
410 let y = y + (n - pn
) * (ph
+ pi
) in
414 y + (pageno
- pn
) * (ph
+ pi
), ph
416 f 0 0 0 0 state.pdims
419 let getpagey pageno
= fst
(getpageyh pageno
);;
422 let rec f ~pageno ~pdimno ~prev ~py ~dy ~pdims ~cacheleft ~accu
=
423 let ((w
, h, ips, x
) as curr
), rest
, pdimno
, yinc
=
425 | (pageno'
, w
, h, x
) :: rest
when pageno'
= pageno
->
426 let ips = calcips h in
428 if conf.presentation
|| (isbirdseye state.mode
&& pageno
= 0)
432 (w
, h, ips, x
), rest
, pdimno
+ 1, yinc
434 prev
, pdims
, pdimno
, 0
436 let dy = dy + yinc in
437 let py = py + yinc in
438 if pageno
= state.pagecount
|| cacheleft
= 0 || dy >= sh
443 if py + h <= vy - yinc
445 let py = py + h + ips in
446 let dy = max
0 (py - y) in
456 let pagey = vy - py in
457 let pagevh = h - pagey in
458 let pagevh = min
(sh
- dy) pagevh in
459 let off = if yinc > 0 then py - vy else 0 in
460 let py = py + h + ips in
466 ; pagedispy
= dy + off
467 ; pagey = pagey + off
468 ; pagevh = pagevh - off
472 let accu = e :: accu in
479 ~cacheleft
:(cacheleft
-1)
482 if state.invalidated
= 0
492 ~cacheleft
:(cbcap state.pagecache
)
502 let y = state.y + incr
in
504 let y = min
y (state.maxy
- (if conf.maxhfit
then conf.winh
else 0)) in
508 let getopaque pageno
=
509 try Some
(Hashtbl.find
state.pagemap
510 (pageno
, state.w
, conf.angle
, conf.proportional
, state.gen
))
511 with Not_found
-> None
514 let cache pageno opaque
=
515 Hashtbl.replace
state.pagemap
516 (pageno
, state.w
, conf.angle
, conf.proportional
, state.gen
) opaque
519 let validopaque opaque
= String.length opaque
> 0;;
522 match getopaque l
.pageno
with
523 | None
when not
state.rendering
->
524 state.rendering
<- true;
525 cache l
.pageno
("", -1);
526 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
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
];
1025 let optentry text key
=
1026 let btos b = if b then "on" else "off" in
1027 let c = Char.unsafe_chr key
in
1031 try conf.scrollstep
<- int_of_string
s with exc
->
1032 state.text <- Printf.sprintf
"bad integer `%s': %s"
1033 s (Printexc.to_string exc
)
1035 TEswitch
('#'
, "", None
, intentry, ondone)
1040 Some
(int_of_string
s)
1042 state.text <- Printf.sprintf
"bad integer `%s': %s"
1043 s (Printexc.to_string exc
);
1046 | Some angle
-> reinit angle
conf.proportional
1049 TEswitch
('^'
, "", None
, intentry, ondone)
1052 conf.icase
<- not
conf.icase
;
1053 TEdone
("case insensitive search " ^
(btos conf.icase
))
1056 conf.preload <- not
conf.preload;
1058 TEdone
("preload " ^
(btos conf.preload))
1061 conf.verbose
<- not
conf.verbose
;
1062 TEdone
("verbose " ^
(btos conf.verbose
))
1065 conf.maxhfit
<- not
conf.maxhfit
;
1066 state.maxy <- state.maxy + (if conf.maxhfit
then -conf.winh
else conf.winh
);
1067 TEdone
("maxhfit " ^
(btos conf.maxhfit
))
1070 conf.crophack
<- not
conf.crophack
;
1071 TEdone
("crophack " ^
btos conf.crophack
)
1074 conf.showall
<- not
conf.showall
;
1075 TEdone
("showall " ^
btos conf.showall
)
1078 conf.underinfo
<- not
conf.underinfo
;
1079 TEdone
("underinfo " ^
btos conf.underinfo
)
1082 conf.savebmarks
<- not
conf.savebmarks
;
1083 TEdone
("persistent bookmarks " ^
btos conf.savebmarks
)
1089 match state.layout with
1094 conf.interpagespace <- int_of_string
s;
1095 state.maxy <- calcheight ();
1096 let y = getpagey pageno in
1099 state.text <- Printf.sprintf
"bad integer `%s': %s"
1100 s (Printexc.to_string exc
)
1102 TEswitch
('
%'
, "", None
, intentry, ondone)
1105 reinit conf.angle
(not
conf.proportional
);
1106 TEdone
("proprortional display " ^
btos conf.proportional
)
1109 state.text <- Printf.sprintf
"bad option %d `%c'" key
c;
1113 let maxoutlinerows () = (conf.winh
- 31) / 16;;
1115 let enterselector allowdel
outlines errmsg msg
=
1116 if Array.length
outlines = 0
1118 showtext ' ' errmsg
;
1122 Glut.setCursor
Glut.CURSOR_INHERIT
;
1124 match state.layout with
1126 | {pageno=pageno} :: rest
-> pageno
1130 if n = Array.length
outlines
1133 let (_
, _
, outlinepageno
, _
) = outlines.(n) in
1134 if outlinepageno
>= pageno then n else loop (n+1)
1138 state.mode
<- Outline
1139 (allowdel
, active, max
0 (active - maxoutlinerows () / 2), outlines, "");
1140 Glut.postRedisplay
();
1144 let enteroutlinemode () =
1146 match state.outlines with
1149 let a = Array.of_list
(List.rev
l) in
1150 state.outlines <- Oarray
a;
1152 | Onarrow
(pat
, a, b) ->
1153 a, "Outline was narrowed to `" ^ pat ^
"' (Ctrl-u to restore)"
1155 enterselector false outlines "Document has no outline" msg
;
1158 let enterbookmarkmode () =
1159 let bookmarks = Array.of_list
state.bookmarks in
1160 enterselector true bookmarks "Document has no bookmarks (yet)" "";
1163 let quickbookmark ?title
() =
1164 match state.layout with
1170 let sec = Unix.gettimeofday
() in
1171 let tm = Unix.localtime
sec in
1172 Printf.sprintf
"Quick (page %d) (bookmarked at %d/%d/%d %d:%d)"
1176 (tm.Unix.tm_year
+ 1900)
1179 | Some
title -> title
1182 (title, 0, l.pageno, float l.pagey /. float l.pageh
) :: state.bookmarks
1186 state.fullscreen
<- None
;
1187 Glut.reshapeWindow
w h;
1190 let writeopen path password
=
1191 writecmd state.csock
("open " ^ path ^
"\000" ^
state.password ^
"\000");
1194 let opendoc path password
=
1197 state.password
<- password
;
1198 state.gen
<- state.gen
+ 1;
1200 writeopen path password
;
1201 Glut.setWindowTitle
("llpp " ^
Filename.basename path
);
1202 wcmd "geometry" [`i
state.w; `i
conf.winh
];
1206 let zoom = float conf.thumbw
/. float conf.winw
in
1207 let birdseyepageno =
1208 let rec fold = function
1210 | l :: _
when l.pagey = 0 -> l.pageno
1211 | _
:: rest
-> fold rest
1215 state.mode
<- Birdseye
(
1216 { conf with zoom = conf.zoom }, state.x
, birdseyepageno, -1, getanchor ()
1219 conf.presentation <- false;
1220 conf.interpagespace <- 10;
1221 conf.hlinks
<- false;
1223 state.mstate
<- Mnone
;
1224 conf.showall
<- false;
1225 Glut.setCursor
Glut.CURSOR_INHERIT
;
1228 state.text <- Printf.sprintf
"birds eye mode on (zoom %3.1f%%)"
1233 reshape conf.winw
conf.winh
;
1236 let birdseyeoff (c, leftx
, pageno, _
, anchor) goback
=
1238 conf.zoom <- c.zoom;
1239 conf.presentation <- c.presentation;
1240 conf.interpagespace <- c.interpagespace;
1241 conf.showall
<- c.showall
;
1242 conf.hlinks
<- c.hlinks
;
1246 state.text <- Printf.sprintf
"birds eye mode off (zoom %3.1f%%)"
1249 reshape conf.winw
conf.winh
;
1250 state.anchor <- if goback
then anchor else (pageno, 0.0);
1253 let togglebirdseye () =
1254 match state.mode
with
1255 | Birdseye vals
-> birdseyeoff vals
true
1256 | View
| Outline _
-> birdseyeon ()
1260 let viewkeyboard ~key ~x ~
y =
1262 state.mode
<- Textentry
(te
, state.mode
);
1265 Glut.postRedisplay
()
1267 let c = Char.chr key
in
1273 let y = getnav () in
1274 gotoy_and_clear_text y
1282 Glut.postRedisplay
()
1285 let ondone isforw
s =
1286 cbput state.hists
.pat
s;
1287 state.searchpattern
<- s;
1290 enttext (c, "", Some
(onhist state.hists
.pat
),
1291 textentry, ondone (c ='
/'
))
1293 | '
+'
when Glut.getModifiers
() land Glut.active_ctrl
!= 0 ->
1294 let incr = if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01 in
1295 conf.zoom <- min
2.2 (conf.zoom +. incr);
1296 state.text <- Printf.sprintf
"zoom is %3.1f%%" (100.0*.conf.zoom);
1297 reshape conf.winw
conf.winh
1302 try int_of_string
s with exc
->
1303 state.text <- Printf.sprintf
"bad integer `%s': %s"
1304 s (Printexc.to_string exc
);
1310 state.text <- "page bias is now " ^ string_of_int
n;
1313 enttext ('
+'
, "", None
, intentry, ondone)
1315 | '
-'
when Glut.getModifiers
() land Glut.active_ctrl
!= 0 ->
1316 let decr = if conf.zoom -. 0.1 < 0.1 then 0.01 else 0.1 in
1317 conf.zoom <- max
0.01 (conf.zoom -. decr);
1318 if conf.zoom <= 1.0 then state.x
<- 0;
1319 state.text <- Printf.sprintf
"zoom is %3.1f%%" (100.0*.conf.zoom);
1320 reshape conf.winw
conf.winh
;
1326 enttext ('
-'
, "", None
, optentry, ondone)
1328 | '
0'
when (Glut.getModifiers
() land Glut.active_ctrl
!= 0) ->
1331 state.text <- "zoom is 100%";
1332 reshape conf.winw
conf.winh
1334 | '
1'
when (Glut.getModifiers
() land Glut.active_ctrl
!= 0) ->
1335 let zoom = zoomforh
conf.winw
conf.winh
conf.scrollw
in
1340 state.text <- Printf.sprintf
"zoom is %3.1f%%" (100.0*.conf.zoom);
1341 reshape conf.winw
conf.winh
;
1344 | '
9'
when (Glut.getModifiers
() land Glut.active_ctrl
!= 0) ->
1350 try int_of_string
s with exc
->
1351 state.text <- Printf.sprintf
"bad integer `%s': %s"
1352 s (Printexc.to_string exc
);
1358 cbput state.hists
.pag
(string_of_int
n);
1359 gotoy_and_clear_text (getpagey (n + conf.pagebias
- 1))
1362 let pageentry text key
=
1363 match Char.unsafe_chr key
with
1364 | 'g'
-> TEdone
text
1365 | _
-> intentry text key
1367 let text = "x" in text.[0] <- c;
1368 enttext ('
:'
, text, Some
(onhist state.hists
.pag
), pageentry, ondone)
1371 conf.scrollw
<- if conf.scrollw
> 0 then 0 else defconf.scrollw
;
1372 reshape conf.winw
conf.winh
;
1375 conf.hlinks
<- not
conf.hlinks
;
1376 state.text <- "highlightlinks " ^
if conf.hlinks
then "on" else "off";
1377 Glut.postRedisplay
()
1380 if state.ascrollstep
= 0
1381 then state.ascrollstep
<- conf.autoscrollstep
1383 conf.autoscrollstep
<- state.ascrollstep
;
1384 state.ascrollstep
<- 0;
1388 conf.presentation <- not
conf.presentation;
1389 showtext ' '
("presentation mode " ^
1390 if conf.presentation then "on" else "off");
1394 begin match state.fullscreen
with
1396 state.fullscreen
<- Some
(conf.winw
, conf.winh
);
1399 state.fullscreen
<- None
;
1404 gotoy_and_clear_text 0
1407 search state.searchpattern
true
1410 search state.searchpattern
false
1413 begin match state.layout with
1416 gotoy_and_clear_text (getpagey l.pageno)
1420 begin match List.rev
state.layout with
1423 let pageno = min
(l.pageno+1) (state.pagecount
-1) in
1424 gotoy_and_clear_text (getpagey pageno)
1428 begin match state.layout with
1431 let pageno = max
0 (l.pageno-1) in
1432 gotoy_and_clear_text (getpagey pageno)
1437 if fn
= -1 then l.pageno, l.pageno else fn
, l.pageno
1439 let fn, ln
= List.fold_left
f (-1, -1) state.layout in
1441 let maxy = state.maxy - (if conf.maxhfit
then conf.winh
else 0) in
1445 else (100. *. (float state.y /. float maxy)) in
1448 Printf.sprintf
"Page %d of %d %.2f%%"
1449 (fn+1) state.pagecount
percent
1452 "Pages %d-%d of %d %.2f%%"
1453 (fn+1) (ln
+1) state.pagecount
percent
1458 begin match state.layout with
1461 doreshape (l.pagew
+ conf.scrollw
) l.pageh
;
1462 Glut.postRedisplay
();
1466 enterbookmarkmode ()
1470 match state.layout with
1473 (s, 0, l.pageno, float l.pagey /. float l.pageh
)
1477 enttext ('~'
, "", None
, textentry, ondone)
1481 showtext ' '
"Quick bookmark added";
1484 begin match state.layout with
1486 let rect = getpdimrect
l.pagedimno
in
1490 (truncate
(1.8 *. (rect.(1) -. rect.(0))),
1491 truncate
(1.2 *. (rect.(3) -. rect.(0))))
1493 (truncate
(rect.(1) -. rect.(0)),
1494 truncate
(rect.(3) -. rect.(0)))
1498 doreshape (w + conf.scrollw
) (h + conf.interpagespace)
1500 Glut.postRedisplay
();
1506 reinit (conf.angle
+ (if c = '
>'
then 30 else -30)) conf.proportional
1511 (min
(state.colorscale
+. (if c = '
]'
then 0.1 else -0.1)) 1.0);
1512 Glut.postRedisplay
()
1514 | 'k'
-> gotoy (clamp (-conf.scrollstep
))
1515 | 'j'
-> gotoy (clamp conf.scrollstep
)
1517 | '
r'
-> opendoc state.path
state.password
1520 vlog "huh? %d %c" key
(Char.chr key
);
1523 let textentrykeyboard ~key ~x ~
y ((c, text, opthist
, onkey
, ondone), mode
) =
1525 state.mode
<- Textentry
(te
, mode
);
1528 Glut.postRedisplay
()
1530 match Char.unsafe_chr key
with
1532 let len = String.length
text in
1536 Glut.postRedisplay
();
1539 let s = String.sub
text 0 (len - 1) in
1540 enttext (c, s, opthist
, onkey
, ondone)
1546 Glut.postRedisplay
()
1549 begin match opthist
with
1551 | Some
(_
, onhistcancel
) -> onhistcancel
()
1554 Glut.postRedisplay
()
1557 begin match onkey
text key
with
1561 Glut.postRedisplay
()
1564 enttext (c, text, opthist
, onkey
, ondone);
1568 Glut.postRedisplay
()
1571 state.mode
<- Textentry
(te
, mode
);
1572 Glut.postRedisplay
()
1576 let birdseyekeyboard ~key ~x ~
y ((_
, _
, pageno, _
, anchor) as beye
) =
1579 birdseyeoff beye
true
1582 let y, h = getpageyh pageno in
1583 let top = (conf.winh
- h) / 2 in
1584 gotoy (max
0 (y - top))
1587 birdseyeoff beye
false
1590 viewkeyboard ~key ~x ~
y
1593 let outlinekeyboard ~key ~x ~
y (allowdel
, active, first
, outlines, qsearch
) =
1594 let narrow outlines pattern
=
1595 let reopt = try Some
(Str.regexp_case_fold pattern
) with _
-> None
in
1599 let rec fold accu n =
1603 let (s, _
, _
, _
) as o
= outlines.(n) in
1605 if (try ignore
(Str.search_forward re
s 0); true
1606 with Not_found
-> false)
1612 let matched = fold [] (Array.length
outlines - 1) in
1613 if matched = [] then None
else Some
(Array.of_list
matched)
1615 let search active pattern
incr =
1618 if n = Array.length
outlines || n = -1
1621 let (s, _
, _
, _
) = outlines.(n) in
1623 (try ignore
(Str.search_forward re
s 0); true
1624 with Not_found
-> false)
1626 else loop (n + incr)
1631 let re = Str.regexp_case_fold pattern
in
1637 let firstof active = max
0 (active - maxoutlinerows () / 2) in
1640 if String.length qsearch
= 0
1644 Glut.postRedisplay
();
1648 state.mode
<- Outline
(allowdel
, active, first
, outlines, "");
1649 Glut.postRedisplay
();
1653 let incr = if key
= 18 then -1 else 1 in
1655 match search (active + incr) qsearch
incr with
1657 state.text <- qsearch ^
" [not found]";
1660 state.text <- qsearch
;
1661 active, firstof active
1663 state.mode
<- Outline
(allowdel
, active, first
, outlines, qsearch
);
1664 Glut.postRedisplay
();
1667 let len = String.length qsearch
in
1674 state.mode
<- Outline
(allowdel
, active, first
, outlines, "");
1677 let qsearch = String.sub
qsearch 0 (len - 1) in
1679 match search active qsearch ~
-1 with
1681 state.text <- qsearch ^
" [not found]";
1684 state.text <- qsearch;
1685 active, firstof active
1687 state.mode
<- Outline
(allowdel
, active, first
, outlines, qsearch);
1689 Glut.postRedisplay
()
1692 if active < Array.length
outlines
1694 let (_
, _
, n, t
) = outlines.(active) in
1699 if allowdel
then state.bookmarks <- Array.to_list
outlines;
1701 Glut.postRedisplay
();
1703 | _
when key
>= 32 && key
< 127 ->
1704 let pattern = addchar qsearch (Char.chr key
) in
1706 match search active pattern 1 with
1708 state.text <- pattern ^
" [not found]";
1711 state.text <- pattern;
1712 active, firstof active
1714 state.mode
<- Outline
(allowdel
, active, first
, outlines, pattern);
1715 Glut.postRedisplay
()
1717 | 14 when not allowdel
-> (* ctrl-n *)
1718 if String.length
qsearch > 0
1720 let optoutlines = narrow outlines qsearch in
1721 begin match optoutlines with
1722 | None
-> state.text <- "can't narrow"
1724 state.mode
<- Outline
(allowdel
, 0, 0, outlines, qsearch);
1725 match state.outlines with
1728 state.outlines <- Onarrow
(qsearch, outlines, a)
1729 | Onarrow
(pat
, a, b) ->
1730 state.outlines <- Onarrow
(qsearch, outlines, b)
1733 Glut.postRedisplay
()
1735 | 21 when not allowdel
-> (* ctrl-u *)
1737 match state.outlines with
1740 let a = Array.of_list
(List.rev
l) in
1741 state.outlines <- Oarray
a;
1743 | Onarrow
(pat
, a, b) ->
1744 state.outlines <- Oarray
b;
1748 state.mode
<- Outline
(allowdel
, 0, 0, outline, qsearch);
1749 Glut.postRedisplay
()
1752 state.mode
<- Outline
1753 (allowdel
, active, firstof active, outlines, qsearch);
1754 Glut.postRedisplay
()
1756 | 127 when allowdel
->
1757 let len = Array.length
outlines - 1 in
1761 state.bookmarks <- [];
1764 let bookmarks = Array.init
len
1766 let i = if i >= active then i + 1 else i in
1778 Glut.postRedisplay
()
1780 | _
-> dolog "unknown key %d" key
1783 let keyboard ~key ~x ~
y =
1788 match state.mode
with
1789 | Outline
outline -> outlinekeyboard ~key ~x ~
y outline
1790 | Textentry
textentry -> textentrykeyboard ~key ~x ~
y textentry
1791 | Birdseye birdseye
-> birdseyekeyboard ~key ~x ~
y birdseye
1792 | View
-> viewkeyboard ~key ~x ~
y
1795 let birdseyespecial key x
y (conf, leftx
, pageno, hooverpageno
, anchor) =
1798 let pageno = max
0 (pageno - 1) in
1799 let rec loop = function
1800 | [] -> gotopage1 pageno 0
1801 | l :: _
when l.pageno = pageno ->
1802 if l.pagedispy
>= 0 && l.pagey = 0
1803 then Glut.postRedisplay
()
1804 else gotopage1 pageno 0
1805 | _
:: rest
-> loop rest
1808 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor)
1811 let pageno = min
(state.pagecount
- 1) (pageno + 1) in
1812 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor);
1813 let rec loop = function
1815 let y, h = getpageyh pageno in
1816 let dy = (y - state.y) - (conf.winh
- h - conf.interpagespace) in
1818 | l :: rest
when l.pageno = pageno ->
1819 if l.pagevh != l.pageh
1820 then gotoy (clamp (l.pageh
- l.pagevh + conf.interpagespace))
1821 else Glut.postRedisplay
()
1822 | l :: rest
-> loop rest
1826 | Glut.KEY_PAGE_UP
->
1827 begin match state.layout with
1831 state.mode
<- Birdseye
(
1832 conf, leftx
, l.pageno, hooverpageno
, anchor
1834 gotopage1 l.pageno 0;
1837 let layout = layout (state.y-conf.winh
) conf.winh
in
1839 | [] -> gotoy (clamp (-conf.winh
))
1841 state.mode
<- Birdseye
(
1842 conf, leftx
, l.pageno, hooverpageno
, anchor
1844 gotopage1 l.pageno 0
1847 | [] -> gotoy (clamp (-conf.winh
))
1850 | Glut.KEY_PAGE_DOWN
->
1851 begin match List.rev
state.layout with
1853 let layout = layout (state.y + conf.winh
) conf.winh
in
1854 begin match layout with
1856 let incr = l.pageh
- l.pagevh in
1861 conf, leftx
, state.pagecount
- 1, hooverpageno
, anchor
1863 Glut.postRedisplay
();
1865 else gotoy (clamp (incr + conf.interpagespace*2));
1869 Birdseye
(conf, leftx
, l.pageno, hooverpageno
, anchor);
1870 gotopage1 l.pageno 0;
1873 | [] -> gotoy (clamp conf.winh
)
1877 state.mode
<- Birdseye
(conf, leftx
, 0, hooverpageno
, anchor);
1881 let pageno = state.pagecount
- 1 in
1882 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor);
1883 if not
(pagevisible state.layout pageno)
1886 match List.rev
state.pdims
with
1888 | (_
, _
, h, _
) :: _
-> h
1890 gotoy (max
0 (getpagey pageno - (conf.winh
- h - conf.interpagespace)))
1891 else Glut.postRedisplay
();
1895 let setautoscrollspeed goingdown
=
1896 let incr = max
1 (state.ascrollstep
/ 2) in
1897 let astep = max
1 (state.ascrollstep
+ (if goingdown
then incr else -incr)) in
1898 state.ascrollstep
<- astep;
1901 let special ~key ~x ~
y =
1902 match state.mode
with
1903 | View
| (Birdseye _
) when key
= Glut.KEY_F9
->
1907 birdseyespecial key x
y vals
1910 if state.ascrollstep
> 0 && (key
= Glut.KEY_DOWN
|| key
= Glut.KEY_UP
)
1911 then setautoscrollspeed (key
= Glut.KEY_DOWN
)
1915 | Glut.KEY_F3
-> search state.searchpattern
true; state.y
1916 | Glut.KEY_UP
-> clamp (-conf.scrollstep
)
1917 | Glut.KEY_DOWN
-> clamp conf.scrollstep
1918 | Glut.KEY_PAGE_UP
->
1919 if Glut.getModifiers
() land Glut.active_ctrl
!= 0
1921 match state.layout with
1923 | l :: _
-> state.y - l.pagey
1926 | Glut.KEY_PAGE_DOWN
->
1927 if Glut.getModifiers
() land Glut.active_ctrl
!= 0
1929 match List.rev
state.layout with
1931 | l :: _
-> getpagey l.pageno
1934 | Glut.KEY_HOME
-> addnav (); 0
1937 state.maxy - (if conf.maxhfit
then conf.winh
else 0)
1939 | Glut.KEY_RIGHT
when conf.zoom > 1.0 ->
1940 state.x
<- state.x
- 10;
1942 | Glut.KEY_LEFT
when conf.zoom > 1.0 ->
1943 state.x
<- state.x
+ 10;
1948 gotoy_and_clear_text y
1951 ((c, s, (Some
(action, _
) as onhist), onkey
, ondone), mode
) ->
1954 | Glut.KEY_UP
-> action HCprev
1955 | Glut.KEY_DOWN
-> action HCnext
1956 | Glut.KEY_HOME
-> action HCfirst
1957 | Glut.KEY_END
-> action HClast
1960 state.mode
<- Textentry
((c, s, onhist, onkey
, ondone), mode
);
1961 Glut.postRedisplay
()
1965 | Outline
(allowdel
, active, first
, outlines, qsearch) ->
1966 let maxrows = maxoutlinerows () in
1967 let calcfirst first
active =
1970 let rows = active - first
in
1971 if rows > maxrows then active - maxrows else first
1975 let active = active + incr in
1976 let active = max
0 (min
active (Array.length
outlines - 1)) in
1977 let first = calcfirst first active in
1978 state.mode
<- Outline
(allowdel
, active, first, outlines, qsearch);
1979 Glut.postRedisplay
()
1981 let updownlevel incr =
1982 let len = Array.length
outlines in
1983 let (_
, curlevel
, _
, _
) = outlines.(active) in
1985 if i = len then i-1 else if i = -1 then 0 else
1986 let (_
, l, _
, _
) = outlines.(i) in
1987 if l != curlevel
then i else flow (i+incr)
1989 let active = flow active in
1990 let first = calcfirst first active in
1991 state.mode
<- Outline
(allowdel
, active, first, outlines, qsearch);
1992 Glut.postRedisplay
()
1995 | Glut.KEY_UP
-> navigate ~
-1
1996 | Glut.KEY_DOWN
-> navigate 1
1997 | Glut.KEY_PAGE_UP
-> navigate ~
-maxrows
1998 | Glut.KEY_PAGE_DOWN
-> navigate maxrows
2000 | Glut.KEY_RIGHT
when not allowdel
-> updownlevel 1
2001 | Glut.KEY_LEFT
when not allowdel
-> updownlevel ~
-1
2004 state.mode
<- Outline
(allowdel
, 0, 0, outlines, qsearch);
2005 Glut.postRedisplay
()
2008 let active = Array.length
outlines - 1 in
2009 let first = max
0 (active - maxrows) in
2010 state.mode
<- Outline
(allowdel
, active, first, outlines, qsearch);
2011 Glut.postRedisplay
()
2016 let drawplaceholder l =
2017 let margin = state.x
+ (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2019 (float l.pagex
, float l.pagedispy
)
2020 (float (l.pagew
+ l.pagex
), float (l.pagedispy
+ l.pagevh))
2022 let x = float (if margin < 0 then -margin else l.pagex
)
2023 and y = float (l.pagedispy
+ 13) in
2024 let font = Glut.BITMAP_8_BY_13
in
2025 GlDraw.color
(0.0, 0.0, 0.0);
2026 GlPix.raster_pos ~
x ~
y ();
2027 String.iter
(fun c -> Glut.bitmapCharacter ~
font ~
c:(Char.code
c))
2028 ("Loading " ^ string_of_int
(l.pageno + 1));
2031 let now () = Unix.gettimeofday
();;
2035 match state.mode
with
2036 | Textentry _
-> scalecolor 0.4
2037 | View
| Outline _
-> scalecolor 1.0
2038 | Birdseye
(_
, _
, pageno, hooverpageno
, _
) ->
2039 if l.pageno = pageno
2042 if l.pageno = hooverpageno
2048 begin match getopaque l.pageno with
2049 | Some
(opaque, _
) when validopaque opaque ->
2051 draw
(l.pagedispy
, l.pagew
, l.pagevh, l.pagey, conf.hlinks
)
2055 vlog "draw %d %f sec" l.pageno d;
2063 let maxy = state.maxy - (if conf.maxhfit
then conf.winh
else 0) in
2064 let sh = (float (maxy + conf.winh
) /. float conf.winh
) in
2065 let sh = float conf.winh
/. sh in
2066 let sh = max
sh (float conf.scrollh
) in
2069 if state.y = state.maxy
2071 else float y /. float maxy
2073 let position = (float conf.winh
-. sh) *. percent in
2076 if position +. sh > float conf.winh
2077 then float conf.winh
-. sh
2083 let scrollindicator () =
2084 GlDraw.color (0.64 , 0.64, 0.64);
2086 (float (conf.winw
- conf.scrollw
), 0.)
2087 (float conf.winw
, float conf.winh
)
2089 GlDraw.color (0.0, 0.0, 0.0);
2091 let position, sh = scrollph state.y in
2093 (float (conf.winw
- conf.scrollw
), position)
2094 (float conf.winw
, position +. sh)
2098 let showsel margin =
2099 match state.mstate
with
2100 | Mnone
| Mscroll _
| Mpan _
->
2103 | Msel
((x0
, y0
), (x1
, y1
)) ->
2104 let rec loop = function
2106 if (y0
>= l.pagedispy
&& y0
<= (l.pagedispy
+ l.pagevh))
2107 || ((y1
>= l.pagedispy
&& y1
<= (l.pagedispy
+ l.pagevh)))
2109 match getopaque l.pageno with
2110 | Some
(opaque, _
) when validopaque opaque ->
2111 let oy = -l.pagey + l.pagedispy
in
2113 (x0
- margin - state.x, y0
,
2114 x1
- margin - state.x, y1
) oy;
2124 let panx = float state.x in
2126 GlDraw.color (0.0, 0.0, 1.0) ~alpha
:0.5;
2127 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2129 (fun (pageno, c, (x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
)) ->
2131 if l.pageno = pageno
2133 let d = float (l.pagedispy
- l.pagey) in
2134 GlDraw.color (0.0, 0.0, 1.0 /. float c) ~alpha
:0.5;
2135 GlDraw.begins `quads
;
2137 GlDraw.vertex2
(x0
+.panx, y0
+.d);
2138 GlDraw.vertex2
(x1
+.panx, y1
+.d);
2139 GlDraw.vertex2
(x2
+.panx, y2
+.d);
2140 GlDraw.vertex2
(x3
+.panx, y3
+.d);
2150 let showoutline () =
2151 match state.mode
with
2152 | Outline
(allowdel
, active, first, outlines, qsearch) ->
2154 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2155 GlDraw.color (0., 0., 0.) ~alpha
:0.85;
2156 GlDraw.rect (0., 0.) (float conf.winw
, float conf.winh
);
2159 GlDraw.color (1., 1., 1.);
2160 let font = Glut.BITMAP_9_BY_15
in
2161 let draw_string x y s =
2162 GlPix.raster_pos ~
x ~
y ();
2163 String.iter
(fun c -> Glut.bitmapCharacter ~
font ~
c:(Char.code
c)) s
2166 if row
= Array.length
outlines || (row
- first) * 16 > conf.winh
2169 let (s, l, _
, _
) = outlines.(row
) in
2170 let y = (row
- first) * 16 in
2175 GlDraw.polygon_mode `both `line
;
2176 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2177 GlDraw.color (1., 1., 1.) ~alpha
:0.9;
2178 GlDraw.rect (0., float (y + 1))
2179 (float (conf.winw
- 1), float (y + 18));
2180 GlDraw.polygon_mode `both `fill
;
2182 GlDraw.color (1., 1., 1.);
2184 draw_string (float x) (float (y + 16)) s;
2194 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2195 GlDraw.viewport
margin 0 state.w conf.winh
;
2197 GlClear.color (scalecolor 0.5);
2198 GlClear.clear
[`
color];
2201 Gl.enable `scissor_test
;
2202 GlMisc.scissor
0 0 (conf.winw
- conf.scrollw
) conf.winh
;
2204 List.iter
drawpage state.layout;
2207 Gl.disable `scissor_test
2211 let x = -.float state.x in
2212 GlMat.translate ~
x ();
2216 GlDraw.viewport
0 0 conf.winw
conf.winh
;
2221 Glut.swapBuffers
();
2225 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2226 let x = x - margin - state.x in
2227 let rec f = function
2229 begin match getopaque l.pageno with
2230 | Some
(opaque, _
) when validopaque opaque ->
2231 let y = y - l.pagedispy
in
2234 let y = l.pagey + y in
2235 let x = x - l.pagex
in
2236 match whatsunder
opaque x y with
2249 let viewmouse button bstate
x y =
2251 | Glut.OTHER_BUTTON
n when (n == 3 || n == 4) && bstate
= Glut.UP
->
2252 if state.ascrollstep
> 0
2254 setautoscrollspeed (n=4)
2258 then -conf.scrollstep
2259 else conf.scrollstep
2261 let incr = incr * 2 in
2262 let y = clamp incr in
2263 gotoy_and_clear_text y
2265 | Glut.LEFT_BUTTON
when Glut.getModifiers
() land Glut.active_ctrl
!= 0 ->
2266 if bstate
= Glut.DOWN
2268 Glut.setCursor
Glut.CURSOR_CROSSHAIR
;
2269 state.mstate
<- Mpan
(x, y)
2272 state.mstate
<- Mnone
2274 | Glut.LEFT_BUTTON
when x > conf.winw
- conf.scrollw
->
2275 if bstate
= Glut.DOWN
2277 let position, sh = scrollph state.y in
2278 if y > truncate
position && y < truncate
(position +. sh)
2280 state.mstate
<- Mscroll
2282 let percent = float y /. float conf.winh
in
2283 let desty = truncate
(float (state.maxy - conf.winh
) *. percent) in
2285 state.mstate
<- Mscroll
2287 state.mstate
<- Mnone
2289 | Glut.LEFT_BUTTON
->
2290 let dest = if bstate
= Glut.DOWN
then getunder x y else Unone
in
2291 begin match dest with
2292 | Ulinkgoto
(pageno, top) ->
2296 gotopage1 pageno top;
2302 | Unone
when bstate
= Glut.DOWN
->
2303 Glut.setCursor
Glut.CURSOR_CROSSHAIR
;
2304 state.mstate
<- Mpan
(x, y);
2306 | Unone
| Utext _
->
2307 if bstate
= Glut.DOWN
2309 if conf.angle
mod 360 = 0
2311 state.mstate
<- Msel
((x, y), (x, y));
2312 Glut.postRedisplay
()
2316 match state.mstate
with
2320 state.mstate
<- Mnone
2323 Glut.setCursor
Glut.CURSOR_INHERIT
;
2324 state.mstate
<- Mnone
2326 | Msel
((x0
, y0
), (x1
, y1
)) ->
2328 if (y0
>= l.pagedispy
&& y0
<= (l.pagedispy
+ l.pagevh))
2329 || ((y1
>= l.pagedispy
&& y1
<= (l.pagedispy
+ l.pagevh)))
2331 match getopaque l.pageno with
2332 | Some
(opaque, _
) when validopaque opaque ->
2336 List.iter
f state.layout;
2337 copysel
""; (* ugly *)
2338 Glut.setCursor
Glut.CURSOR_INHERIT
;
2339 state.mstate
<- Mnone
;
2346 let birdseyemouse button bstate
x y
2347 (conf, leftx
, pageno, hooverpageno
, anchor) =
2349 | Glut.LEFT_BUTTON
when bstate
= Glut.UP
->
2350 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2351 let rec loop = function
2354 if y > l.pagedispy
&& y < l.pagedispy
+ l.pagevh
2355 && x > margin && x < margin + l.pagew
2357 birdseyeoff (conf, leftx
, l.pageno, hooverpageno
, anchor) false;
2362 | Glut.OTHER_BUTTON _
-> viewmouse button bstate
x y
2366 let mouse bstate button
x y =
2367 match state.mode
with
2368 | View
-> viewmouse button bstate
x y
2369 | Birdseye beye
-> birdseyemouse button bstate
x y beye
2374 let mouse ~button ~
state ~
x ~
y = mouse state button
x y;;
2377 match state.mode
with
2380 match state.mstate
with
2386 state.mstate
<- Mpan
(x, y);
2387 if conf.zoom > 1.0 then state.x <- state.x + dx;
2389 gotoy_and_clear_text y
2392 state.mstate
<- Msel
(a, (x, y));
2393 Glut.postRedisplay
()
2396 let y = min
conf.winh
(max
0 y) in
2397 let percent = float y /. float conf.winh
in
2398 let y = truncate
(float (state.maxy - conf.winh
) *. percent) in
2399 gotoy_and_clear_text y
2403 match state.mode
with
2404 | Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor) ->
2405 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2406 let rec loop = function
2408 if hooverpageno
!= -1
2410 state.mode
<- Birdseye
(conf, leftx
, pageno, -1, anchor);
2411 Glut.postRedisplay
();
2414 if y > l.pagedispy
&& y < l.pagedispy
+ l.pagevh
2415 && x > margin && x < margin + l.pagew
2417 state.mode
<- Birdseye
(conf, leftx
, pageno, l.pageno, anchor);
2418 Glut.postRedisplay
();
2426 match state.mstate
with
2428 begin match getunder x y with
2429 | Unone
-> Glut.setCursor
Glut.CURSOR_INHERIT
2431 if conf.underinfo
then showtext 'u'
("ri: " ^ uri
);
2432 Glut.setCursor
Glut.CURSOR_INFO
2433 | Ulinkgoto
(page
, y) ->
2435 then showtext 'p'
("age: " ^ string_of_int page
);
2436 Glut.setCursor
Glut.CURSOR_INFO
2438 if conf.underinfo
then showtext '
f'
("ont: " ^
s);
2439 Glut.setCursor
Glut.CURSOR_TEXT
2442 | Mpan _
| Msel _
| Mscroll
->
2453 match Sys.os_type
with
2454 | "Win32" -> Sys.getenv
"HOMEPATH"
2455 | _
-> Sys.getenv
"HOME"
2458 ("Can not determine home directory location: " ^
2459 Printexc.to_string exn
);
2463 let config_of c attrs
=
2467 | "scroll-bar-width" -> { c with scrollw
= max
0 (int_of_string v
) }
2468 | "scroll-handle-height" -> { c with scrollh
= max
0 (int_of_string v
) }
2469 | "case-insensitive-search" -> { c with icase
= bool_of_string v
}
2470 | "preload" -> { c with preload = bool_of_string v
}
2471 | "page-bias" -> { c with pagebias
= int_of_string v
}
2472 | "scroll-step" -> { c with scrollstep
= max
1 (int_of_string v
) }
2473 | "auto-scroll-step" ->
2474 { c with autoscrollstep
= max
0 (int_of_string v
) }
2475 | "max-height-fit" -> { c with maxhfit
= bool_of_string v
}
2476 | "crop-hack" -> { c with crophack
= bool_of_string v
}
2477 | "throttle" -> { c with showall
= bool_of_string v
}
2478 | "highlight-links" -> { c with hlinks
= bool_of_string v
}
2479 | "under-cursor-info" -> { c with underinfo
= bool_of_string v
}
2480 | "vertical-margin" ->
2481 { c with interpagespace = max
0 (int_of_string v
) }
2483 let zoom = float_of_string v
/. 100. in
2484 let zoom = max
0.01 (min
2.2 zoom) in
2485 { c with zoom = zoom }
2486 | "presentation" -> { c with presentation = bool_of_string v
}
2487 | "rotation-angle" -> { c with angle
= int_of_string v
}
2488 | "width" -> { c with winw
= max
20 (int_of_string v
) }
2489 | "height" -> { c with winh
= max
20 (int_of_string v
) }
2490 | "persistent-bookmarks" -> { c with savebmarks
= bool_of_string v
}
2491 | "proportional-display" -> { c with proportional
= bool_of_string v
}
2492 | "pixmap-cache-size" -> { c with memlimit
= max
2 (int_of_string v
) }
2493 | "tex-count" -> { c with texcount
= max
1 (int_of_string v
) }
2494 | "slice-height" -> { c with sliceheight
= max
2 (int_of_string v
) }
2495 | "thumbnail-width" -> { c with thumbw
= max
2 (int_of_string v
) }
2498 prerr_endline
("Error processing attribute (`" ^
2499 k ^
"'=`" ^ v ^
"'): " ^
Printexc.to_string exn
);
2502 let rec fold c = function
2505 let c = apply c k v
in
2511 let fromstring f pos
n v
d =
2514 dolog "Error processing attribute (%S=%S) at %d\n%s"
2515 n v pos
(Printexc.to_string exn
)
2520 let bookmark_of attrs
=
2521 let rec fold title page rely
= function
2522 | ("title", v
) :: rest
-> fold v page rely rest
2523 | ("page", v
) :: rest
-> fold title v rely rest
2524 | ("rely", v
) :: rest
-> fold title page v rest
2525 | _
:: rest
-> fold title page rely rest
2526 | [] -> title, page
, rely
2528 fold "invalid" "0" "0" attrs
2532 let rec fold path page rely pan
= function
2533 | ("path", v
) :: rest
-> fold v page rely pan rest
2534 | ("page", v
) :: rest
-> fold path v rely pan rest
2535 | ("rely", v
) :: rest
-> fold path page v pan rest
2536 | ("pan", v
) :: rest
-> fold path page rely v rest
2537 | _
:: rest
-> fold path page rely pan rest
2538 | [] -> path
, page
, rely
, pan
2540 fold "" "0" "0" "0" attrs
2543 let setconf dst src
=
2544 dst
.scrollw
<- src
.scrollw
;
2545 dst
.scrollh
<- src
.scrollh
;
2546 dst
.icase
<- src
.icase
;
2547 dst
.preload <- src
.preload;
2548 dst
.pagebias
<- src
.pagebias
;
2549 dst
.verbose
<- src
.verbose
;
2550 dst
.scrollstep
<- src
.scrollstep
;
2551 dst
.maxhfit
<- src
.maxhfit
;
2552 dst
.crophack
<- src
.crophack
;
2553 dst
.autoscrollstep
<- src
.autoscrollstep
;
2554 dst
.showall
<- src
.showall
;
2555 dst
.hlinks
<- src
.hlinks
;
2556 dst
.underinfo
<- src
.underinfo
;
2557 dst
.interpagespace <- src
.interpagespace;
2558 dst
.zoom <- src
.zoom;
2559 dst
.presentation <- src
.presentation;
2560 dst
.angle
<- src
.angle
;
2561 dst
.winw
<- src
.winw
;
2562 dst
.winh
<- src
.winh
;
2563 dst
.savebmarks
<- src
.savebmarks
;
2564 dst
.memlimit
<- src
.memlimit
;
2565 dst
.proportional
<- src
.proportional
;
2566 dst
.texcount
<- src
.texcount
;
2567 dst
.sliceheight
<- src
.sliceheight
;
2568 dst
.thumbw
<- src
.thumbw
;
2572 let l = String.length
s in
2573 let b = Buffer.create
l in
2579 let h = Hashtbl.create
10 in
2580 let dc = { defconf with angle
= defconf.angle
} in
2581 let rec toplevel v t spos epos
=
2583 | Vdata
| Vcdata
| Vend
-> v
2584 | Vopen
("llppconfig", attrs
, closed
) ->
2587 else { v
with f = llppconfig
}
2589 error
"unexpected subelement at top level" s spos
2590 | Vclose tag
-> error
"unexpected close at top level" s spos
2592 and llppconfig v t spos epos
=
2594 | Vdata
| Vcdata
| Vend
-> v
2595 | Vopen
("defaults", attrs
, closed
) ->
2596 let c = config_of dc attrs
in
2600 else { v
with f = skip
"defaults" (fun () -> v
) }
2602 | Vopen
("doc", attrs
, closed
) ->
2603 let pathent, spage
, srely
, span
= doc_of attrs
in
2604 let path = unent pathent
2605 and pageno = fromstring int_of_string spos
"page" spage
0
2606 and rely
= fromstring float_of_string spos
"rely" srely
0.0
2607 and pan
= fromstring int_of_string spos
"pan" span
0 in
2608 let c = config_of dc attrs
in
2609 let anchor = (pageno, rely
) in
2611 then (Hashtbl.add
h path (c, [], pan
, anchor); v
)
2612 else { v
with f = doc
path pan
anchor c [] }
2614 | Vopen
(tag
, _
, closed
) ->
2615 error
"unexpected subelement in llppconfig" s spos
2617 | Vclose
"llppconfig" -> { v
with f = toplevel }
2618 | Vclose tag
-> error
"unexpected close in llppconfig" s spos
2620 and doc
path pan
anchor c bookmarks v t spos epos
=
2622 | Vdata
| Vcdata
-> v
2623 | Vend
-> error
"unexpected end of input in doc" s spos
2624 | Vopen
("bookmarks", attrs
, closed
) ->
2625 { v
with f = pbookmarks
path pan
anchor c bookmarks }
2627 | Vopen
(tag
, _
, _
) ->
2628 error
"unexpected subelement in doc" s spos
2631 Hashtbl.add
h path (c, List.rev
bookmarks, pan
, anchor);
2632 { v
with f = llppconfig
}
2634 | Vclose tag
-> error
"unexpected close in doc" s spos
2636 and pbookmarks
path pan
anchor c bookmarks v t spos epos
=
2638 | Vdata
| Vcdata
-> v
2639 | Vend
-> error
"unexpected end of input in bookmarks" s spos
2640 | Vopen
("item", attrs
, closed
) ->
2641 let titleent, spage
, srely
= bookmark_of attrs
in
2642 let page = fromstring int_of_string spos
"page" spage
0
2643 and rely
= fromstring float_of_string spos
"rely" srely
0.0 in
2644 let bookmarks = (unent titleent, 0, page, rely
) :: bookmarks in
2646 then { v
with f = pbookmarks
path pan
anchor c bookmarks }
2649 { v
with f = skip
"item" f }
2652 error
"unexpected subelement in bookmarks" s spos
2654 | Vclose
"bookmarks" ->
2655 { v
with f = doc
path pan
anchor c bookmarks }
2657 | Vclose tag
-> error
"unexpected close in bookmarks" s spos
2659 and skip tag
f v t spos epos
=
2661 | Vdata
| Vcdata
-> v
2663 error
("unexpected end of input in skipped " ^ tag
) s spos
2664 | Vopen
(tag'
, _
, closed
) ->
2668 let f'
() = { v
with f = skip tag
f } in
2669 { v
with f = skip tag'
f'
}
2673 else error
("unexpected close in skipped " ^ tag
) s spos
2676 parse
{ f = toplevel; accu = () } s;
2682 let len = in_channel_length ic
in
2683 let s = String.create
len in
2684 really_input ic
s 0 len;
2687 | Parse_error
(msg
, s, pos
) ->
2688 let subs = subs s pos
in
2689 let s = Printf.sprintf
"%s: at %d [..%s..]" msg pos
subs in
2690 failwith
("parse error: " ^
s)
2693 failwith
("config load error: " ^
Printexc.to_string exn
)
2699 let dir = Filename.concat
home ".config" in
2700 if Sys.is_directory
dir then dir else home
2703 Filename.concat
dir "llpp.conf"
2707 if Sys.file_exists
path
2710 (try Some
(open_in_bin
path)
2713 ("Error opening configuation file `" ^
path ^
"': " ^
2714 Printexc.to_string exn
);
2723 ("Error loading configuation from `" ^
path ^
"': " ^
2724 Printexc.to_string exn
);
2730 f (Hashtbl.create
0, defconf)
2735 let pc, pb
, px
, pa
=
2737 Hashtbl.find
h (Filename.basename
state.path)
2738 with Not_found
-> dc, [], 0, (0, 0.0)
2742 state.bookmarks <- pb
;
2744 cbput state.hists
.nav pa
;
2749 let add_attrs bb always
dc c =
2752 then Printf.bprintf bb
"\n %s='%b'" s a
2755 then Printf.bprintf bb
"\n %s='%d'" s a
2758 then Printf.bprintf bb
"\n %s='%f'" s (a*.100.)
2762 then dc.winw
, dc.winh
2764 match state.fullscreen
with
2766 | None
-> c.winw
, c.winh
2768 let zoom, presentation, interpagespace, showall
=
2770 then dc.zoom, dc.presentation, dc.interpagespace, dc.showall
2772 match state.mode
with
2773 | Birdseye
(bc
, _
, _
, _
, _
) ->
2774 bc
.zoom, bc
.presentation, bc
.interpagespace, bc
.showall
2775 | _
-> c.zoom, c.presentation, c.interpagespace, c.showall
2777 oi
"width" w dc.winw
;
2778 oi
"height" h dc.winh
;
2779 oi
"scroll-bar-width" c.scrollw
dc.scrollw
;
2780 oi
"scroll-handle-height" c.scrollh
dc.scrollh
;
2781 ob "case-insensitive-search" c.icase
dc.icase
;
2782 ob "preload" c.preload dc.preload;
2783 oi
"page-bias" c.pagebias
dc.pagebias
;
2784 oi
"scroll-step" c.scrollstep
dc.scrollstep
;
2785 oi
"auto-scroll-step" c.autoscrollstep
dc.autoscrollstep
;
2786 ob "max-height-fit" c.maxhfit
dc.maxhfit
;
2787 ob "crop-hack" c.crophack
dc.crophack
;
2788 ob "throttle" showall
dc.showall
;
2789 ob "highlight-links" c.hlinks
dc.hlinks
;
2790 ob "under-cursor-info" c.underinfo
dc.underinfo
;
2791 oi
"vertical-margin" interpagespace dc.interpagespace;
2792 oz
"zoom" zoom dc.zoom;
2793 ob "presentation" presentation dc.presentation;
2794 oi
"rotation-angle" c.angle
dc.angle
;
2795 ob "persistent-bookmarks" c.savebmarks
dc.savebmarks
;
2796 ob "proportional-display" c.proportional
dc.proportional
;
2797 oi
"pixmap-cache-size" c.memlimit
dc.memlimit
;
2798 oi
"texcount" c.texcount
dc.texcount
;
2799 oi
"slice-height" c.sliceheight
dc.sliceheight
;
2800 oi
"thumbnail-width" c.thumbw
dc.thumbw
;
2804 let bb = Buffer.create
32768 in
2806 Buffer.add_string
bb "<llppconfig>\n<defaults ";
2807 add_attrs bb true dc dc;
2808 Buffer.add_string
bb "/>\n";
2810 let adddoc path x anchor c bookmarks =
2811 if bookmarks == [] && c = dc && anchor = emptyanchor
2814 Printf.bprintf
bb "<doc path='%s'"
2815 (enent
path 0 (String.length
path));
2817 if anchor <> emptyanchor
2819 let n, y = anchor in
2820 Printf.bprintf
bb " page='%d'" n;
2821 Printf.bprintf
bb " rely='%f'" y;
2825 then Printf.bprintf
bb " pan='%d'" x;
2827 add_attrs bb false dc c;
2829 begin match bookmarks with
2830 | [] -> Buffer.add_string
bb "/>\n"
2832 Buffer.add_string
bb ">\n<bookmarks>\n";
2833 List.iter
(fun (title, _level
, page, rely
) ->
2835 "<item title='%s' page='%d' rely='%f'/>\n"
2836 (enent
title 0 (String.length
title))
2840 Buffer.add_string
bb "</bookmarks>\n</doc>\n";
2846 match state.mode
with
2847 | Birdseye
(_
, x, _
, _
, _
) -> x
2850 let basename = Filename.basename state.path in
2851 adddoc basename x (getanchor ())
2854 if state.ascrollstep
> 0
2855 then state.ascrollstep
2856 else conf.autoscrollstep
}
2857 (if conf.savebmarks
then state.bookmarks else []);
2859 Hashtbl.iter
(fun path (c, bookmarks, x, y) ->
2861 then adddoc path x y c bookmarks
2863 Buffer.add_string
bb "</llppconfig>";
2866 if Buffer.length
bb > 0
2869 let tmp = path ^
".tmp" in
2870 let oc = open_out_bin
tmp in
2871 Buffer.output_buffer
oc bb;
2873 Sys.rename
tmp path;
2876 ("error while saving configuration: " ^
Printexc.to_string exn
)
2882 ["-p", Arg.String
(fun s -> state.password
<- s) , "password"]
2883 (fun s -> state.path <- s)
2884 ("Usage: " ^
Sys.argv
.(0) ^
" [options] some.pdf\noptions:")
2886 if String.length
state.path = 0
2887 then (prerr_endline
"filename missing"; exit
1);
2891 let _ = Glut.init
Sys.argv
in
2892 let () = Glut.initDisplayMode ~depth
:false ~double_buffer
:true () in
2893 let () = Glut.initWindowSize
conf.winw
conf.winh
in
2894 let _ = Glut.createWindow
("llpp " ^
Filename.basename state.path) in
2897 if Sys.os_type
= "Unix"
2899 Unix.socketpair
Unix.PF_UNIX
Unix.SOCK_STREAM
0
2901 let addr = Unix.ADDR_INET
(Unix.inet_addr_loopback
, 1337) in
2902 let sock = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
2903 Unix.setsockopt
sock Unix.SO_REUSEADDR
true;
2904 Unix.bind
sock addr;
2906 let csock = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
2907 Unix.connect
csock addr;
2908 let ssock, _ = Unix.accept
sock in
2911 Unix.setsockopt
sock Unix.TCP_NODELAY
true;
2912 Unix.setsockopt_optint
sock Unix.SO_LINGER None
;
2916 at_exit
(fun () -> Unix.shutdown
ssock Unix.SHUTDOWN_ALL
);
2920 let () = Glut.displayFunc
display in
2921 let () = Glut.reshapeFunc
reshape in
2922 let () = Glut.keyboardFunc
keyboard in
2923 let () = Glut.specialFunc
special in
2924 let () = Glut.idleFunc
(Some
idle) in
2925 let () = Glut.mouseFunc
mouse in
2926 let () = Glut.motionFunc
motion in
2927 let () = Glut.passiveMotionFunc
pmotion in
2929 init
ssock (conf.angle
, conf.proportional
, conf.texcount
, conf.sliceheight
);
2930 state.csock <- csock;
2931 state.ssock <- ssock;
2932 state.text <- "Opening " ^
state.path;
2933 writeopen state.path state.password
;
2937 let rec handlelablglutbug () =
2940 with Glut.BadEnum
"key in special_of_int" ->
2941 showtext '
!'
" LablGlut bug: special key not recognized";
2942 handlelablglutbug ()
2944 handlelablglutbug ();