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);
1039 let zoom = float conf.thumbw
/. float conf.winw
in
1040 let birdseyepageno =
1041 let rec fold = function
1043 | l :: _
when l.pagey = 0 -> l.pageno
1044 | _
:: rest
-> fold rest
1048 state.mode
<- Birdseye
(
1049 { conf with zoom = conf.zoom }, state.x
, birdseyepageno, -1, getanchor ()
1052 conf.presentation <- false;
1053 conf.interpagespace <- 10;
1054 conf.hlinks
<- false;
1056 state.mstate
<- Mnone
;
1057 conf.showall
<- false;
1058 Glut.setCursor
Glut.CURSOR_INHERIT
;
1061 state.text <- Printf.sprintf
"birds eye mode on (zoom %3.1f%%)"
1066 reshape conf.winw
conf.winh
;
1069 let birdseyeoff (c, leftx
, pageno, _
, anchor) goback
=
1071 conf.zoom <- c.zoom;
1072 conf.presentation <- c.presentation;
1073 conf.interpagespace <- c.interpagespace;
1074 conf.showall
<- c.showall
;
1075 conf.hlinks
<- c.hlinks
;
1079 state.text <- Printf.sprintf
"birds eye mode off (zoom %3.1f%%)"
1082 reshape conf.winw
conf.winh
;
1083 state.anchor <- if goback
then anchor else (pageno, 0.0);
1086 let togglebirdseye () =
1087 match state.mode
with
1088 | Birdseye vals
-> birdseyeoff vals
true
1089 | View
| Outline _
-> birdseyeon ()
1093 let optentry text key
=
1094 let btos b = if b then "on" else "off" in
1095 let c = Char.unsafe_chr key
in
1099 try conf.scrollstep
<- int_of_string
s with exc
->
1100 state.text <- Printf.sprintf
"bad integer `%s': %s"
1101 s (Printexc.to_string exc
)
1103 TEswitch
('#'
, "", None
, intentry, ondone)
1108 conf.autoscrollstep
<- int_of_string
s;
1109 if state.ascrollstep
> 0
1110 then state.ascrollstep
<- conf.autoscrollstep
;
1112 state.text <- Printf.sprintf
"bad integer `%s': %s"
1113 s (Printexc.to_string exc
)
1115 TEswitch
('
*'
, "", None
, intentry, ondone)
1120 let zoom = float (int_of_string
s) /. 100.0 in
1123 state.text <- Printf.sprintf
"bad integer `%s': %s"
1124 s (Printexc.to_string exc
)
1126 TEswitch
('
@'
, "", None
, intentry, ondone)
1131 conf.thumbw
<- max
2 (min
1920 (int_of_string
s));
1133 Printf.sprintf
"thumbnail width is set to %d" conf.thumbw
;
1134 begin match state.mode
with
1135 | Textentry
(_
, Birdseye beye
) ->
1136 birdseyeoff beye
false;
1141 state.text <- Printf.sprintf
"bad integer `%s': %s"
1142 s (Printexc.to_string exc
)
1144 TEswitch
('$'
, "", None
, intentry, ondone)
1149 Some
(int_of_string
s)
1151 state.text <- Printf.sprintf
"bad integer `%s': %s"
1152 s (Printexc.to_string exc
);
1155 | Some angle
-> reinit angle
conf.proportional
1158 TEswitch
('^'
, "", None
, intentry, ondone)
1161 conf.icase
<- not
conf.icase
;
1162 TEdone
("case insensitive search " ^
(btos conf.icase
))
1165 conf.preload <- not
conf.preload;
1167 TEdone
("preload " ^
(btos conf.preload))
1170 conf.verbose
<- not
conf.verbose
;
1171 TEdone
("verbose " ^
(btos conf.verbose
))
1174 conf.maxhfit
<- not
conf.maxhfit
;
1175 state.maxy <- state.maxy + (if conf.maxhfit
then -conf.winh
else conf.winh
);
1176 TEdone
("maxhfit " ^
(btos conf.maxhfit
))
1179 conf.crophack
<- not
conf.crophack
;
1180 TEdone
("crophack " ^
btos conf.crophack
)
1183 conf.showall
<- not
conf.showall
;
1184 TEdone
("showall " ^
btos conf.showall
)
1187 conf.underinfo
<- not
conf.underinfo
;
1188 TEdone
("underinfo " ^
btos conf.underinfo
)
1191 conf.savebmarks
<- not
conf.savebmarks
;
1192 TEdone
("persistent bookmarks " ^
btos conf.savebmarks
)
1198 match state.layout with
1203 conf.interpagespace <- int_of_string
s;
1204 state.maxy <- calcheight ();
1205 let y = getpagey pageno in
1208 state.text <- Printf.sprintf
"bad integer `%s': %s"
1209 s (Printexc.to_string exc
)
1211 TEswitch
('
%'
, "", None
, intentry, ondone)
1214 reinit conf.angle
(not
conf.proportional
);
1215 TEdone
("proprortional display " ^
btos conf.proportional
)
1218 state.text <- Printf.sprintf
"bad option %d `%c'" key
c;
1222 let maxoutlinerows () = (conf.winh
- 31) / 16;;
1224 let enterselector allowdel
outlines errmsg msg
=
1225 if Array.length
outlines = 0
1227 showtext ' ' errmsg
;
1231 Glut.setCursor
Glut.CURSOR_INHERIT
;
1233 match state.layout with
1235 | {pageno=pageno} :: rest
-> pageno
1239 if n = Array.length
outlines
1242 let (_
, _
, outlinepageno
, _
) = outlines.(n) in
1243 if outlinepageno
>= pageno then n else loop (n+1)
1247 state.mode
<- Outline
1248 (allowdel
, active, max
0 (active - maxoutlinerows () / 2), outlines, "");
1249 Glut.postRedisplay
();
1253 let enteroutlinemode () =
1255 match state.outlines with
1258 let a = Array.of_list
(List.rev
l) in
1259 state.outlines <- Oarray
a;
1261 | Onarrow
(pat
, a, b) ->
1262 a, "Outline was narrowed to `" ^ pat ^
"' (Ctrl-u to restore)"
1264 enterselector false outlines "Document has no outline" msg
;
1267 let enterbookmarkmode () =
1268 let bookmarks = Array.of_list
state.bookmarks in
1269 enterselector true bookmarks "Document has no bookmarks (yet)" "";
1272 let quickbookmark ?title
() =
1273 match state.layout with
1279 let sec = Unix.gettimeofday
() in
1280 let tm = Unix.localtime
sec in
1281 Printf.sprintf
"Quick (page %d) (bookmarked at %d/%d/%d %d:%d)"
1285 (tm.Unix.tm_year
+ 1900)
1288 | Some
title -> title
1291 (title, 0, l.pageno, float l.pagey /. float l.pageh
) :: state.bookmarks
1295 state.fullscreen
<- None
;
1296 Glut.reshapeWindow
w h;
1299 let writeopen path password
=
1300 writecmd state.csock
("open " ^ path ^
"\000" ^
state.password ^
"\000");
1303 let opendoc path password
=
1306 state.password
<- password
;
1307 state.gen
<- state.gen
+ 1;
1309 writeopen path password
;
1310 Glut.setWindowTitle
("llpp " ^
Filename.basename path
);
1311 wcmd "geometry" [`i
state.w; `i
conf.winh
];
1314 let viewkeyboard ~key ~x ~
y =
1316 state.mode
<- Textentry
(te
, state.mode
);
1319 Glut.postRedisplay
()
1321 let c = Char.chr key
in
1327 let y = getnav () in
1328 gotoy_and_clear_text y
1336 Glut.postRedisplay
()
1339 let ondone isforw
s =
1340 cbput state.hists
.pat
s;
1341 state.searchpattern
<- s;
1344 enttext (c, "", Some
(onhist state.hists
.pat
),
1345 textentry, ondone (c ='
/'
))
1347 | '
+'
when Glut.getModifiers
() land Glut.active_ctrl
!= 0 ->
1348 let incr = if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01 in
1349 setzoom (min
2.2 (conf.zoom +. incr))
1354 try int_of_string
s with exc
->
1355 state.text <- Printf.sprintf
"bad integer `%s': %s"
1356 s (Printexc.to_string exc
);
1362 state.text <- "page bias is now " ^ string_of_int
n;
1365 enttext ('
+'
, "", None
, intentry, ondone)
1367 | '
-'
when Glut.getModifiers
() land Glut.active_ctrl
!= 0 ->
1368 let decr = if conf.zoom -. 0.1 < 0.1 then 0.01 else 0.1 in
1369 setzoom (max
0.01 (conf.zoom -. decr))
1375 enttext ('
-'
, "", None
, optentry, ondone)
1377 | '
0'
when (Glut.getModifiers
() land Glut.active_ctrl
!= 0) ->
1380 | '
1'
when (Glut.getModifiers
() land Glut.active_ctrl
!= 0) ->
1381 let zoom = zoomforh
conf.winw
conf.winh
conf.scrollw
in
1385 | '
9'
when (Glut.getModifiers
() land Glut.active_ctrl
!= 0) ->
1391 try int_of_string
s with exc
->
1392 state.text <- Printf.sprintf
"bad integer `%s': %s"
1393 s (Printexc.to_string exc
);
1399 cbput state.hists
.pag
(string_of_int
n);
1400 gotoy_and_clear_text (getpagey (n + conf.pagebias
- 1))
1403 let pageentry text key
=
1404 match Char.unsafe_chr key
with
1405 | 'g'
-> TEdone
text
1406 | _
-> intentry text key
1408 let text = "x" in text.[0] <- c;
1409 enttext ('
:'
, text, Some
(onhist state.hists
.pag
), pageentry, ondone)
1412 conf.scrollw
<- if conf.scrollw
> 0 then 0 else defconf.scrollw
;
1413 reshape conf.winw
conf.winh
;
1416 conf.hlinks
<- not
conf.hlinks
;
1417 state.text <- "highlightlinks " ^
if conf.hlinks
then "on" else "off";
1418 Glut.postRedisplay
()
1421 if state.ascrollstep
= 0
1422 then state.ascrollstep
<- conf.autoscrollstep
1424 conf.autoscrollstep
<- state.ascrollstep
;
1425 state.ascrollstep
<- 0;
1429 conf.presentation <- not
conf.presentation;
1430 showtext ' '
("presentation mode " ^
1431 if conf.presentation then "on" else "off");
1435 begin match state.fullscreen
with
1437 state.fullscreen
<- Some
(conf.winw
, conf.winh
);
1440 state.fullscreen
<- None
;
1445 gotoy_and_clear_text 0
1448 search state.searchpattern
true
1451 search state.searchpattern
false
1454 begin match state.layout with
1457 gotoy_and_clear_text (getpagey l.pageno)
1461 begin match List.rev
state.layout with
1464 let pageno = min
(l.pageno+1) (state.pagecount
-1) in
1465 gotoy_and_clear_text (getpagey pageno)
1469 begin match state.layout with
1472 let pageno = max
0 (l.pageno-1) in
1473 gotoy_and_clear_text (getpagey pageno)
1478 if fn
= -1 then l.pageno, l.pageno else fn
, l.pageno
1480 let fn, ln
= List.fold_left
f (-1, -1) state.layout in
1482 let maxy = state.maxy - (if conf.maxhfit
then conf.winh
else 0) in
1486 else (100. *. (float state.y /. float maxy)) in
1489 Printf.sprintf
"Page %d of %d %.2f%%"
1490 (fn+1) state.pagecount
percent
1493 "Pages %d-%d of %d %.2f%%"
1494 (fn+1) (ln
+1) state.pagecount
percent
1499 begin match state.layout with
1502 doreshape (l.pagew
+ conf.scrollw
) l.pageh
;
1503 Glut.postRedisplay
();
1507 enterbookmarkmode ()
1511 match state.layout with
1514 (s, 0, l.pageno, float l.pagey /. float l.pageh
)
1518 enttext ('~'
, "", None
, textentry, ondone)
1522 showtext ' '
"Quick bookmark added";
1525 begin match state.layout with
1527 let rect = getpdimrect
l.pagedimno
in
1531 (truncate
(1.8 *. (rect.(1) -. rect.(0))),
1532 truncate
(1.2 *. (rect.(3) -. rect.(0))))
1534 (truncate
(rect.(1) -. rect.(0)),
1535 truncate
(rect.(3) -. rect.(0)))
1539 doreshape (w + conf.scrollw
) (h + conf.interpagespace)
1541 Glut.postRedisplay
();
1547 reinit (conf.angle
+ (if c = '
>'
then 30 else -30)) conf.proportional
1552 (min
(state.colorscale
+. (if c = '
]'
then 0.1 else -0.1)) 1.0);
1553 Glut.postRedisplay
()
1555 | 'k'
-> gotoy (clamp (-conf.scrollstep
))
1556 | 'j'
-> gotoy (clamp conf.scrollstep
)
1558 | '
r'
-> opendoc state.path
state.password
1561 vlog "huh? %d %c" key
(Char.chr key
);
1564 let textentrykeyboard ~key ~x ~
y ((c, text, opthist
, onkey
, ondone), mode
) =
1566 state.mode
<- Textentry
(te
, mode
);
1569 Glut.postRedisplay
()
1571 match Char.unsafe_chr key
with
1573 let len = String.length
text in
1577 Glut.postRedisplay
();
1580 let s = String.sub
text 0 (len - 1) in
1581 enttext (c, s, opthist
, onkey
, ondone)
1587 Glut.postRedisplay
()
1590 begin match opthist
with
1592 | Some
(_
, onhistcancel
) -> onhistcancel
()
1595 Glut.postRedisplay
()
1598 begin match onkey
text key
with
1602 Glut.postRedisplay
()
1605 enttext (c, text, opthist
, onkey
, ondone);
1609 Glut.postRedisplay
()
1612 state.mode
<- Textentry
(te
, mode
);
1613 Glut.postRedisplay
()
1617 let birdseyekeyboard ~key ~x ~
y ((_
, _
, pageno, _
, anchor) as beye
) =
1620 birdseyeoff beye
true
1623 let y, h = getpageyh pageno in
1624 let top = (conf.winh
- h) / 2 in
1625 gotoy (max
0 (y - top))
1628 birdseyeoff beye
false
1631 viewkeyboard ~key ~x ~
y
1634 let outlinekeyboard ~key ~x ~
y (allowdel
, active, first
, outlines, qsearch
) =
1635 let narrow outlines pattern
=
1636 let reopt = try Some
(Str.regexp_case_fold pattern
) with _
-> None
in
1640 let rec fold accu n =
1644 let (s, _
, _
, _
) as o
= outlines.(n) in
1646 if (try ignore
(Str.search_forward re
s 0); true
1647 with Not_found
-> false)
1653 let matched = fold [] (Array.length
outlines - 1) in
1654 if matched = [] then None
else Some
(Array.of_list
matched)
1656 let search active pattern
incr =
1659 if n = Array.length
outlines || n = -1
1662 let (s, _
, _
, _
) = outlines.(n) in
1664 (try ignore
(Str.search_forward re
s 0); true
1665 with Not_found
-> false)
1667 else loop (n + incr)
1672 let re = Str.regexp_case_fold pattern
in
1678 let firstof active = max
0 (active - maxoutlinerows () / 2) in
1681 if String.length qsearch
= 0
1685 Glut.postRedisplay
();
1689 state.mode
<- Outline
(allowdel
, active, first
, outlines, "");
1690 Glut.postRedisplay
();
1694 let incr = if key
= 18 then -1 else 1 in
1696 match search (active + incr) qsearch
incr with
1698 state.text <- qsearch ^
" [not found]";
1701 state.text <- qsearch
;
1702 active, firstof active
1704 state.mode
<- Outline
(allowdel
, active, first
, outlines, qsearch
);
1705 Glut.postRedisplay
();
1708 let len = String.length qsearch
in
1715 state.mode
<- Outline
(allowdel
, active, first
, outlines, "");
1718 let qsearch = String.sub
qsearch 0 (len - 1) in
1720 match search active qsearch ~
-1 with
1722 state.text <- qsearch ^
" [not found]";
1725 state.text <- qsearch;
1726 active, firstof active
1728 state.mode
<- Outline
(allowdel
, active, first
, outlines, qsearch);
1730 Glut.postRedisplay
()
1733 if active < Array.length
outlines
1735 let (_
, _
, n, t
) = outlines.(active) in
1740 if allowdel
then state.bookmarks <- Array.to_list
outlines;
1742 Glut.postRedisplay
();
1744 | _
when key
>= 32 && key
< 127 ->
1745 let pattern = addchar qsearch (Char.chr key
) in
1747 match search active pattern 1 with
1749 state.text <- pattern ^
" [not found]";
1752 state.text <- pattern;
1753 active, firstof active
1755 state.mode
<- Outline
(allowdel
, active, first
, outlines, pattern);
1756 Glut.postRedisplay
()
1758 | 14 when not allowdel
-> (* ctrl-n *)
1759 if String.length
qsearch > 0
1761 let optoutlines = narrow outlines qsearch in
1762 begin match optoutlines with
1763 | None
-> state.text <- "can't narrow"
1765 state.mode
<- Outline
(allowdel
, 0, 0, outlines, qsearch);
1766 match state.outlines with
1769 state.outlines <- Onarrow
(qsearch, outlines, a)
1770 | Onarrow
(pat
, a, b) ->
1771 state.outlines <- Onarrow
(qsearch, outlines, b)
1774 Glut.postRedisplay
()
1776 | 21 when not allowdel
-> (* ctrl-u *)
1778 match state.outlines with
1781 let a = Array.of_list
(List.rev
l) in
1782 state.outlines <- Oarray
a;
1784 | Onarrow
(pat
, a, b) ->
1785 state.outlines <- Oarray
b;
1789 state.mode
<- Outline
(allowdel
, 0, 0, outline, qsearch);
1790 Glut.postRedisplay
()
1793 state.mode
<- Outline
1794 (allowdel
, active, firstof active, outlines, qsearch);
1795 Glut.postRedisplay
()
1797 | 127 when allowdel
->
1798 let len = Array.length
outlines - 1 in
1802 state.bookmarks <- [];
1805 let bookmarks = Array.init
len
1807 let i = if i >= active then i + 1 else i in
1819 Glut.postRedisplay
()
1821 | _
-> dolog "unknown key %d" key
1824 let keyboard ~key ~x ~
y =
1829 match state.mode
with
1830 | Outline
outline -> outlinekeyboard ~key ~x ~
y outline
1831 | Textentry
textentry -> textentrykeyboard ~key ~x ~
y textentry
1832 | Birdseye birdseye
-> birdseyekeyboard ~key ~x ~
y birdseye
1833 | View
-> viewkeyboard ~key ~x ~
y
1836 let birdseyespecial key x
y (conf, leftx
, pageno, hooverpageno
, anchor) =
1839 let pageno = max
0 (pageno - 1) in
1840 let rec loop = function
1841 | [] -> gotopage1 pageno 0
1842 | l :: _
when l.pageno = pageno ->
1843 if l.pagedispy
>= 0 && l.pagey = 0
1844 then Glut.postRedisplay
()
1845 else gotopage1 pageno 0
1846 | _
:: rest
-> loop rest
1849 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor)
1852 let pageno = min
(state.pagecount
- 1) (pageno + 1) in
1853 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor);
1854 let rec loop = function
1856 let y, h = getpageyh pageno in
1857 let dy = (y - state.y) - (conf.winh
- h - conf.interpagespace) in
1859 | l :: rest
when l.pageno = pageno ->
1860 if l.pagevh != l.pageh
1861 then gotoy (clamp (l.pageh
- l.pagevh + conf.interpagespace))
1862 else Glut.postRedisplay
()
1863 | l :: rest
-> loop rest
1867 | Glut.KEY_PAGE_UP
->
1868 begin match state.layout with
1872 state.mode
<- Birdseye
(
1873 conf, leftx
, l.pageno, hooverpageno
, anchor
1875 gotopage1 l.pageno 0;
1878 let layout = layout (state.y-conf.winh
) conf.winh
in
1880 | [] -> gotoy (clamp (-conf.winh
))
1882 state.mode
<- Birdseye
(
1883 conf, leftx
, l.pageno, hooverpageno
, anchor
1885 gotopage1 l.pageno 0
1888 | [] -> gotoy (clamp (-conf.winh
))
1891 | Glut.KEY_PAGE_DOWN
->
1892 begin match List.rev
state.layout with
1894 let layout = layout (state.y + conf.winh
) conf.winh
in
1895 begin match layout with
1897 let incr = l.pageh
- l.pagevh in
1902 conf, leftx
, state.pagecount
- 1, hooverpageno
, anchor
1904 Glut.postRedisplay
();
1906 else gotoy (clamp (incr + conf.interpagespace*2));
1910 Birdseye
(conf, leftx
, l.pageno, hooverpageno
, anchor);
1911 gotopage1 l.pageno 0;
1914 | [] -> gotoy (clamp conf.winh
)
1918 state.mode
<- Birdseye
(conf, leftx
, 0, hooverpageno
, anchor);
1922 let pageno = state.pagecount
- 1 in
1923 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor);
1924 if not
(pagevisible state.layout pageno)
1927 match List.rev
state.pdims
with
1929 | (_
, _
, h, _
) :: _
-> h
1931 gotoy (max
0 (getpagey pageno - (conf.winh
- h - conf.interpagespace)))
1932 else Glut.postRedisplay
();
1936 let setautoscrollspeed goingdown
=
1937 let incr = max
1 (state.ascrollstep
/ 2) in
1938 let astep = max
1 (state.ascrollstep
+ (if goingdown
then incr else -incr)) in
1939 state.ascrollstep
<- astep;
1942 let special ~key ~x ~
y =
1943 match state.mode
with
1944 | View
| (Birdseye _
) when key
= Glut.KEY_F9
->
1948 birdseyespecial key x
y vals
1951 if state.ascrollstep
> 0 && (key
= Glut.KEY_DOWN
|| key
= Glut.KEY_UP
)
1952 then setautoscrollspeed (key
= Glut.KEY_DOWN
)
1956 | Glut.KEY_F3
-> search state.searchpattern
true; state.y
1957 | Glut.KEY_UP
-> clamp (-conf.scrollstep
)
1958 | Glut.KEY_DOWN
-> clamp conf.scrollstep
1959 | Glut.KEY_PAGE_UP
->
1960 if Glut.getModifiers
() land Glut.active_ctrl
!= 0
1962 match state.layout with
1964 | l :: _
-> state.y - l.pagey
1967 | Glut.KEY_PAGE_DOWN
->
1968 if Glut.getModifiers
() land Glut.active_ctrl
!= 0
1970 match List.rev
state.layout with
1972 | l :: _
-> getpagey l.pageno
1975 | Glut.KEY_HOME
-> addnav (); 0
1978 state.maxy - (if conf.maxhfit
then conf.winh
else 0)
1980 | Glut.KEY_RIGHT
when conf.zoom > 1.0 ->
1981 state.x
<- state.x
- 10;
1983 | Glut.KEY_LEFT
when conf.zoom > 1.0 ->
1984 state.x
<- state.x
+ 10;
1989 gotoy_and_clear_text y
1992 ((c, s, (Some
(action, _
) as onhist), onkey
, ondone), mode
) ->
1995 | Glut.KEY_UP
-> action HCprev
1996 | Glut.KEY_DOWN
-> action HCnext
1997 | Glut.KEY_HOME
-> action HCfirst
1998 | Glut.KEY_END
-> action HClast
2001 state.mode
<- Textentry
((c, s, onhist, onkey
, ondone), mode
);
2002 Glut.postRedisplay
()
2006 | Outline
(allowdel
, active, first
, outlines, qsearch) ->
2007 let maxrows = maxoutlinerows () in
2008 let calcfirst first
active =
2011 let rows = active - first
in
2012 if rows > maxrows then active - maxrows else first
2016 let active = active + incr in
2017 let active = max
0 (min
active (Array.length
outlines - 1)) in
2018 let first = calcfirst first active in
2019 state.mode
<- Outline
(allowdel
, active, first, outlines, qsearch);
2020 Glut.postRedisplay
()
2022 let updownlevel incr =
2023 let len = Array.length
outlines in
2024 let (_
, curlevel
, _
, _
) = outlines.(active) in
2026 if i = len then i-1 else if i = -1 then 0 else
2027 let (_
, l, _
, _
) = outlines.(i) in
2028 if l != curlevel
then i else flow (i+incr)
2030 let active = flow active in
2031 let first = calcfirst first active in
2032 state.mode
<- Outline
(allowdel
, active, first, outlines, qsearch);
2033 Glut.postRedisplay
()
2036 | Glut.KEY_UP
-> navigate ~
-1
2037 | Glut.KEY_DOWN
-> navigate 1
2038 | Glut.KEY_PAGE_UP
-> navigate ~
-maxrows
2039 | Glut.KEY_PAGE_DOWN
-> navigate maxrows
2041 | Glut.KEY_RIGHT
when not allowdel
-> updownlevel 1
2042 | Glut.KEY_LEFT
when not allowdel
-> updownlevel ~
-1
2045 state.mode
<- Outline
(allowdel
, 0, 0, outlines, qsearch);
2046 Glut.postRedisplay
()
2049 let active = Array.length
outlines - 1 in
2050 let first = max
0 (active - maxrows) in
2051 state.mode
<- Outline
(allowdel
, active, first, outlines, qsearch);
2052 Glut.postRedisplay
()
2057 let drawplaceholder l =
2058 let margin = state.x
+ (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2060 (float l.pagex
, float l.pagedispy
)
2061 (float (l.pagew
+ l.pagex
), float (l.pagedispy
+ l.pagevh))
2063 let x = float (if margin < 0 then -margin else l.pagex
)
2064 and y = float (l.pagedispy
+ 13) in
2065 let font = Glut.BITMAP_8_BY_13
in
2066 GlDraw.color
(0.0, 0.0, 0.0);
2067 GlPix.raster_pos ~
x ~
y ();
2068 String.iter
(fun c -> Glut.bitmapCharacter ~
font ~
c:(Char.code
c))
2069 ("Loading " ^ string_of_int
(l.pageno + 1));
2072 let now () = Unix.gettimeofday
();;
2076 match state.mode
with
2077 | Textentry _
-> scalecolor 0.4
2078 | View
| Outline _
-> scalecolor 1.0
2079 | Birdseye
(_
, _
, pageno, hooverpageno
, _
) ->
2080 if l.pageno = pageno
2083 if l.pageno = hooverpageno
2089 begin match getopaque l.pageno with
2090 | Some
(opaque, _
) when validopaque opaque ->
2092 draw
(l.pagedispy
, l.pagew
, l.pagevh, l.pagey, conf.hlinks
)
2096 vlog "draw %d %f sec" l.pageno d;
2104 let maxy = state.maxy - (if conf.maxhfit
then conf.winh
else 0) in
2105 let sh = (float (maxy + conf.winh
) /. float conf.winh
) in
2106 let sh = float conf.winh
/. sh in
2107 let sh = max
sh (float conf.scrollh
) in
2110 if state.y = state.maxy
2112 else float y /. float maxy
2114 let position = (float conf.winh
-. sh) *. percent in
2117 if position +. sh > float conf.winh
2118 then float conf.winh
-. sh
2124 let scrollindicator () =
2125 GlDraw.color (0.64 , 0.64, 0.64);
2127 (float (conf.winw
- conf.scrollw
), 0.)
2128 (float conf.winw
, float conf.winh
)
2130 GlDraw.color (0.0, 0.0, 0.0);
2132 let position, sh = scrollph state.y in
2134 (float (conf.winw
- conf.scrollw
), position)
2135 (float conf.winw
, position +. sh)
2139 let showsel margin =
2140 match state.mstate
with
2141 | Mnone
| Mscroll _
| Mpan _
| Mzoom _
->
2144 | Msel
((x0
, y0
), (x1
, y1
)) ->
2145 let rec loop = function
2147 if (y0
>= l.pagedispy
&& y0
<= (l.pagedispy
+ l.pagevh))
2148 || ((y1
>= l.pagedispy
&& y1
<= (l.pagedispy
+ l.pagevh)))
2150 match getopaque l.pageno with
2151 | Some
(opaque, _
) when validopaque opaque ->
2152 let oy = -l.pagey + l.pagedispy
in
2154 (x0
- margin - state.x, y0
,
2155 x1
- margin - state.x, y1
) oy;
2165 let panx = float state.x in
2167 GlDraw.color (0.0, 0.0, 1.0) ~alpha
:0.5;
2168 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2170 (fun (pageno, c, (x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
)) ->
2172 if l.pageno = pageno
2174 let d = float (l.pagedispy
- l.pagey) in
2175 GlDraw.color (0.0, 0.0, 1.0 /. float c) ~alpha
:0.5;
2176 GlDraw.begins `quads
;
2178 GlDraw.vertex2
(x0
+.panx, y0
+.d);
2179 GlDraw.vertex2
(x1
+.panx, y1
+.d);
2180 GlDraw.vertex2
(x2
+.panx, y2
+.d);
2181 GlDraw.vertex2
(x3
+.panx, y3
+.d);
2191 let showoutline () =
2192 match state.mode
with
2193 | Outline
(allowdel
, active, first, outlines, qsearch) ->
2195 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2196 GlDraw.color (0., 0., 0.) ~alpha
:0.85;
2197 GlDraw.rect (0., 0.) (float conf.winw
, float conf.winh
);
2200 GlDraw.color (1., 1., 1.);
2201 let font = Glut.BITMAP_9_BY_15
in
2202 let draw_string x y s =
2203 GlPix.raster_pos ~
x ~
y ();
2204 String.iter
(fun c -> Glut.bitmapCharacter ~
font ~
c:(Char.code
c)) s
2207 if row
= Array.length
outlines || (row
- first) * 16 > conf.winh
2210 let (s, l, _
, _
) = outlines.(row
) in
2211 let y = (row
- first) * 16 in
2216 GlDraw.polygon_mode `both `line
;
2217 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2218 GlDraw.color (1., 1., 1.) ~alpha
:0.9;
2219 GlDraw.rect (0., float (y + 1))
2220 (float (conf.winw
- 1), float (y + 18));
2221 GlDraw.polygon_mode `both `fill
;
2223 GlDraw.color (1., 1., 1.);
2225 draw_string (float x) (float (y + 16)) s;
2235 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2236 GlDraw.viewport
margin 0 state.w conf.winh
;
2238 GlClear.color (scalecolor 0.5);
2239 GlClear.clear
[`
color];
2242 Gl.enable `scissor_test
;
2243 GlMisc.scissor
0 0 (conf.winw
- conf.scrollw
) conf.winh
;
2245 List.iter
drawpage state.layout;
2248 Gl.disable `scissor_test
2252 let x = -.float state.x in
2253 GlMat.translate ~
x ();
2257 GlDraw.viewport
0 0 conf.winw
conf.winh
;
2262 Glut.swapBuffers
();
2266 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2267 let x = x - margin - state.x in
2268 let rec f = function
2270 begin match getopaque l.pageno with
2271 | Some
(opaque, _
) when validopaque opaque ->
2272 let y = y - l.pagedispy
in
2275 let y = l.pagey + y in
2276 let x = x - l.pagex
in
2277 match whatsunder
opaque x y with
2290 let viewmouse button bstate
x y =
2292 | Glut.OTHER_BUTTON
n when (n == 3 || n == 4) && bstate
= Glut.UP
->
2293 if Glut.getModifiers
() land Glut.active_ctrl
!= 0
2295 match state.mstate
with
2296 | Mzoom
(oldn
, i) ->
2304 if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01
2306 if conf.zoom -. 0.1 < 0.1 then -0.01 else -0.1
2308 let zoom = conf.zoom +. incr in
2310 state.mstate
<- Mzoom
(n, 0);
2312 state.mstate
<- Mzoom
(n, i+1);
2314 else state.mstate
<- Mzoom
(n, 0)
2316 | _
-> state.mstate
<- Mzoom
(n, 0)
2319 if state.ascrollstep
> 0
2321 setautoscrollspeed (n=4)
2325 then -conf.scrollstep
2326 else conf.scrollstep
2328 let incr = incr * 2 in
2329 let y = clamp incr in
2330 gotoy_and_clear_text y
2333 | Glut.LEFT_BUTTON
when Glut.getModifiers
() land Glut.active_ctrl
!= 0 ->
2334 if bstate
= Glut.DOWN
2336 Glut.setCursor
Glut.CURSOR_CROSSHAIR
;
2337 state.mstate
<- Mpan
(x, y)
2340 state.mstate
<- Mnone
2342 | Glut.LEFT_BUTTON
when x > conf.winw
- conf.scrollw
->
2343 if bstate
= Glut.DOWN
2345 let position, sh = scrollph state.y in
2346 if y > truncate
position && y < truncate
(position +. sh)
2348 state.mstate
<- Mscroll
2350 let percent = float y /. float conf.winh
in
2351 let desty = truncate
(float (state.maxy - conf.winh
) *. percent) in
2353 state.mstate
<- Mscroll
2355 state.mstate
<- Mnone
2357 | Glut.LEFT_BUTTON
->
2358 let dest = if bstate
= Glut.DOWN
then getunder x y else Unone
in
2359 begin match dest with
2360 | Ulinkgoto
(pageno, top) ->
2364 gotopage1 pageno top;
2370 | Unone
when bstate
= Glut.DOWN
->
2371 Glut.setCursor
Glut.CURSOR_CROSSHAIR
;
2372 state.mstate
<- Mpan
(x, y);
2374 | Unone
| Utext _
->
2375 if bstate
= Glut.DOWN
2377 if conf.angle
mod 360 = 0
2379 state.mstate
<- Msel
((x, y), (x, y));
2380 Glut.postRedisplay
()
2384 match state.mstate
with
2387 | Mzoom _
| Mscroll
->
2388 state.mstate
<- Mnone
2391 Glut.setCursor
Glut.CURSOR_INHERIT
;
2392 state.mstate
<- Mnone
2394 | Msel
((x0
, y0
), (x1
, y1
)) ->
2396 if (y0
>= l.pagedispy
&& y0
<= (l.pagedispy
+ l.pagevh))
2397 || ((y1
>= l.pagedispy
&& y1
<= (l.pagedispy
+ l.pagevh)))
2399 match getopaque l.pageno with
2400 | Some
(opaque, _
) when validopaque opaque ->
2404 List.iter
f state.layout;
2405 copysel
""; (* ugly *)
2406 Glut.setCursor
Glut.CURSOR_INHERIT
;
2407 state.mstate
<- Mnone
;
2414 let birdseyemouse button bstate
x y
2415 (conf, leftx
, pageno, hooverpageno
, anchor) =
2417 | Glut.LEFT_BUTTON
when bstate
= Glut.UP
->
2418 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2419 let rec loop = function
2422 if y > l.pagedispy
&& y < l.pagedispy
+ l.pagevh
2423 && x > margin && x < margin + l.pagew
2425 birdseyeoff (conf, leftx
, l.pageno, hooverpageno
, anchor) false;
2430 | Glut.OTHER_BUTTON _
-> viewmouse button bstate
x y
2434 let mouse bstate button
x y =
2435 match state.mode
with
2436 | View
-> viewmouse button bstate
x y
2437 | Birdseye beye
-> birdseyemouse button bstate
x y beye
2442 let mouse ~button ~
state ~
x ~
y = mouse state button
x y;;
2445 match state.mode
with
2448 match state.mstate
with
2449 | Mzoom _
| Mnone
-> ()
2454 state.mstate
<- Mpan
(x, y);
2455 if conf.zoom > 1.0 then state.x <- state.x + dx;
2457 gotoy_and_clear_text y
2460 state.mstate
<- Msel
(a, (x, y));
2461 Glut.postRedisplay
()
2464 let y = min
conf.winh
(max
0 y) in
2465 let percent = float y /. float conf.winh
in
2466 let y = truncate
(float (state.maxy - conf.winh
) *. percent) in
2467 gotoy_and_clear_text y
2471 match state.mode
with
2472 | Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor) ->
2473 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2474 let rec loop = function
2476 if hooverpageno
!= -1
2478 state.mode
<- Birdseye
(conf, leftx
, pageno, -1, anchor);
2479 Glut.postRedisplay
();
2482 if y > l.pagedispy
&& y < l.pagedispy
+ l.pagevh
2483 && x > margin && x < margin + l.pagew
2485 state.mode
<- Birdseye
(conf, leftx
, pageno, l.pageno, anchor);
2486 Glut.postRedisplay
();
2494 match state.mstate
with
2496 begin match getunder x y with
2497 | Unone
-> Glut.setCursor
Glut.CURSOR_INHERIT
2499 if conf.underinfo
then showtext 'u'
("ri: " ^ uri
);
2500 Glut.setCursor
Glut.CURSOR_INFO
2501 | Ulinkgoto
(page
, y) ->
2503 then showtext 'p'
("age: " ^ string_of_int page
);
2504 Glut.setCursor
Glut.CURSOR_INFO
2506 if conf.underinfo
then showtext '
f'
("ont: " ^
s);
2507 Glut.setCursor
Glut.CURSOR_TEXT
2510 | Mpan _
| Msel _
| Mzoom _
| Mscroll
->
2521 match Sys.os_type
with
2522 | "Win32" -> Sys.getenv
"HOMEPATH"
2523 | _
-> Sys.getenv
"HOME"
2526 ("Can not determine home directory location: " ^
2527 Printexc.to_string exn
);
2531 let config_of c attrs
=
2535 | "scroll-bar-width" -> { c with scrollw
= max
0 (int_of_string v
) }
2536 | "scroll-handle-height" -> { c with scrollh
= max
0 (int_of_string v
) }
2537 | "case-insensitive-search" -> { c with icase
= bool_of_string v
}
2538 | "preload" -> { c with preload = bool_of_string v
}
2539 | "page-bias" -> { c with pagebias
= int_of_string v
}
2540 | "scroll-step" -> { c with scrollstep
= max
1 (int_of_string v
) }
2541 | "auto-scroll-step" ->
2542 { c with autoscrollstep
= max
0 (int_of_string v
) }
2543 | "max-height-fit" -> { c with maxhfit
= bool_of_string v
}
2544 | "crop-hack" -> { c with crophack
= bool_of_string v
}
2545 | "throttle" -> { c with showall
= bool_of_string v
}
2546 | "highlight-links" -> { c with hlinks
= bool_of_string v
}
2547 | "under-cursor-info" -> { c with underinfo
= bool_of_string v
}
2548 | "vertical-margin" ->
2549 { c with interpagespace = max
0 (int_of_string v
) }
2551 let zoom = float_of_string v
/. 100. in
2552 let zoom = max
0.01 (min
2.2 zoom) in
2553 { c with zoom = zoom }
2554 | "presentation" -> { c with presentation = bool_of_string v
}
2555 | "rotation-angle" -> { c with angle
= int_of_string v
}
2556 | "width" -> { c with winw
= max
20 (int_of_string v
) }
2557 | "height" -> { c with winh
= max
20 (int_of_string v
) }
2558 | "persistent-bookmarks" -> { c with savebmarks
= bool_of_string v
}
2559 | "proportional-display" -> { c with proportional
= bool_of_string v
}
2560 | "pixmap-cache-size" -> { c with memlimit
= max
2 (int_of_string v
) }
2561 | "tex-count" -> { c with texcount
= max
1 (int_of_string v
) }
2562 | "slice-height" -> { c with sliceheight
= max
2 (int_of_string v
) }
2563 | "thumbnail-width" -> { c with thumbw
= max
2 (int_of_string v
) }
2566 prerr_endline
("Error processing attribute (`" ^
2567 k ^
"'=`" ^ v ^
"'): " ^
Printexc.to_string exn
);
2570 let rec fold c = function
2573 let c = apply c k v
in
2579 let fromstring f pos
n v
d =
2582 dolog "Error processing attribute (%S=%S) at %d\n%s"
2583 n v pos
(Printexc.to_string exn
)
2588 let bookmark_of attrs
=
2589 let rec fold title page rely
= function
2590 | ("title", v
) :: rest
-> fold v page rely rest
2591 | ("page", v
) :: rest
-> fold title v rely rest
2592 | ("rely", v
) :: rest
-> fold title page v rest
2593 | _
:: rest
-> fold title page rely rest
2594 | [] -> title, page
, rely
2596 fold "invalid" "0" "0" attrs
2600 let rec fold path page rely pan
= function
2601 | ("path", v
) :: rest
-> fold v page rely pan rest
2602 | ("page", v
) :: rest
-> fold path v rely pan rest
2603 | ("rely", v
) :: rest
-> fold path page v pan rest
2604 | ("pan", v
) :: rest
-> fold path page rely v rest
2605 | _
:: rest
-> fold path page rely pan rest
2606 | [] -> path
, page
, rely
, pan
2608 fold "" "0" "0" "0" attrs
2611 let setconf dst src
=
2612 dst
.scrollw
<- src
.scrollw
;
2613 dst
.scrollh
<- src
.scrollh
;
2614 dst
.icase
<- src
.icase
;
2615 dst
.preload <- src
.preload;
2616 dst
.pagebias
<- src
.pagebias
;
2617 dst
.verbose
<- src
.verbose
;
2618 dst
.scrollstep
<- src
.scrollstep
;
2619 dst
.maxhfit
<- src
.maxhfit
;
2620 dst
.crophack
<- src
.crophack
;
2621 dst
.autoscrollstep
<- src
.autoscrollstep
;
2622 dst
.showall
<- src
.showall
;
2623 dst
.hlinks
<- src
.hlinks
;
2624 dst
.underinfo
<- src
.underinfo
;
2625 dst
.interpagespace <- src
.interpagespace;
2626 dst
.zoom <- src
.zoom;
2627 dst
.presentation <- src
.presentation;
2628 dst
.angle
<- src
.angle
;
2629 dst
.winw
<- src
.winw
;
2630 dst
.winh
<- src
.winh
;
2631 dst
.savebmarks
<- src
.savebmarks
;
2632 dst
.memlimit
<- src
.memlimit
;
2633 dst
.proportional
<- src
.proportional
;
2634 dst
.texcount
<- src
.texcount
;
2635 dst
.sliceheight
<- src
.sliceheight
;
2636 dst
.thumbw
<- src
.thumbw
;
2640 let l = String.length
s in
2641 let b = Buffer.create
l in
2647 let h = Hashtbl.create
10 in
2648 let dc = { defconf with angle
= defconf.angle
} in
2649 let rec toplevel v t spos epos
=
2651 | Vdata
| Vcdata
| Vend
-> v
2652 | Vopen
("llppconfig", attrs
, closed
) ->
2655 else { v
with f = llppconfig
}
2657 error
"unexpected subelement at top level" s spos
2658 | Vclose tag
-> error
"unexpected close at top level" s spos
2660 and llppconfig v t spos epos
=
2662 | Vdata
| Vcdata
| Vend
-> v
2663 | Vopen
("defaults", attrs
, closed
) ->
2664 let c = config_of dc attrs
in
2668 else { v
with f = skip
"defaults" (fun () -> v
) }
2670 | Vopen
("doc", attrs
, closed
) ->
2671 let pathent, spage
, srely
, span
= doc_of attrs
in
2672 let path = unent pathent
2673 and pageno = fromstring int_of_string spos
"page" spage
0
2674 and rely
= fromstring float_of_string spos
"rely" srely
0.0
2675 and pan
= fromstring int_of_string spos
"pan" span
0 in
2676 let c = config_of dc attrs
in
2677 let anchor = (pageno, rely
) in
2679 then (Hashtbl.add
h path (c, [], pan
, anchor); v
)
2680 else { v
with f = doc
path pan
anchor c [] }
2682 | Vopen
(tag
, _
, closed
) ->
2683 error
"unexpected subelement in llppconfig" s spos
2685 | Vclose
"llppconfig" -> { v
with f = toplevel }
2686 | Vclose tag
-> error
"unexpected close in llppconfig" s spos
2688 and doc
path pan
anchor c bookmarks v t spos epos
=
2690 | Vdata
| Vcdata
-> v
2691 | Vend
-> error
"unexpected end of input in doc" s spos
2692 | Vopen
("bookmarks", attrs
, closed
) ->
2693 { v
with f = pbookmarks
path pan
anchor c bookmarks }
2695 | Vopen
(tag
, _
, _
) ->
2696 error
"unexpected subelement in doc" s spos
2699 Hashtbl.add
h path (c, List.rev
bookmarks, pan
, anchor);
2700 { v
with f = llppconfig
}
2702 | Vclose tag
-> error
"unexpected close in doc" s spos
2704 and pbookmarks
path pan
anchor c bookmarks v t spos epos
=
2706 | Vdata
| Vcdata
-> v
2707 | Vend
-> error
"unexpected end of input in bookmarks" s spos
2708 | Vopen
("item", attrs
, closed
) ->
2709 let titleent, spage
, srely
= bookmark_of attrs
in
2710 let page = fromstring int_of_string spos
"page" spage
0
2711 and rely
= fromstring float_of_string spos
"rely" srely
0.0 in
2712 let bookmarks = (unent titleent, 0, page, rely
) :: bookmarks in
2714 then { v
with f = pbookmarks
path pan
anchor c bookmarks }
2717 { v
with f = skip
"item" f }
2720 error
"unexpected subelement in bookmarks" s spos
2722 | Vclose
"bookmarks" ->
2723 { v
with f = doc
path pan
anchor c bookmarks }
2725 | Vclose tag
-> error
"unexpected close in bookmarks" s spos
2727 and skip tag
f v t spos epos
=
2729 | Vdata
| Vcdata
-> v
2731 error
("unexpected end of input in skipped " ^ tag
) s spos
2732 | Vopen
(tag'
, _
, closed
) ->
2736 let f'
() = { v
with f = skip tag
f } in
2737 { v
with f = skip tag'
f'
}
2741 else error
("unexpected close in skipped " ^ tag
) s spos
2744 parse
{ f = toplevel; accu = () } s;
2750 let len = in_channel_length ic
in
2751 let s = String.create
len in
2752 really_input ic
s 0 len;
2755 | Parse_error
(msg
, s, pos
) ->
2756 let subs = subs s pos
in
2757 let s = Printf.sprintf
"%s: at %d [..%s..]" msg pos
subs in
2758 failwith
("parse error: " ^
s)
2761 failwith
("config load error: " ^
Printexc.to_string exn
)
2767 let dir = Filename.concat
home ".config" in
2768 if Sys.is_directory
dir then dir else home
2771 Filename.concat
dir "llpp.conf"
2775 if Sys.file_exists
path
2778 (try Some
(open_in_bin
path)
2781 ("Error opening configuation file `" ^
path ^
"': " ^
2782 Printexc.to_string exn
);
2791 ("Error loading configuation from `" ^
path ^
"': " ^
2792 Printexc.to_string exn
);
2798 f (Hashtbl.create
0, defconf)
2803 let pc, pb
, px
, pa
=
2805 Hashtbl.find
h (Filename.basename
state.path)
2806 with Not_found
-> dc, [], 0, (0, 0.0)
2810 state.bookmarks <- pb
;
2812 cbput state.hists
.nav pa
;
2817 let add_attrs bb always
dc c =
2820 then Printf.bprintf bb
"\n %s='%b'" s a
2823 then Printf.bprintf bb
"\n %s='%d'" s a
2826 then Printf.bprintf bb
"\n %s='%f'" s (a*.100.)
2830 then dc.winw
, dc.winh
2832 match state.fullscreen
with
2834 | None
-> c.winw
, c.winh
2836 let zoom, presentation, interpagespace, showall
=
2838 then dc.zoom, dc.presentation, dc.interpagespace, dc.showall
2840 match state.mode
with
2841 | Birdseye
(bc
, _
, _
, _
, _
) ->
2842 bc
.zoom, bc
.presentation, bc
.interpagespace, bc
.showall
2843 | _
-> c.zoom, c.presentation, c.interpagespace, c.showall
2845 oi
"width" w dc.winw
;
2846 oi
"height" h dc.winh
;
2847 oi
"scroll-bar-width" c.scrollw
dc.scrollw
;
2848 oi
"scroll-handle-height" c.scrollh
dc.scrollh
;
2849 ob "case-insensitive-search" c.icase
dc.icase
;
2850 ob "preload" c.preload dc.preload;
2851 oi
"page-bias" c.pagebias
dc.pagebias
;
2852 oi
"scroll-step" c.scrollstep
dc.scrollstep
;
2853 oi
"auto-scroll-step" c.autoscrollstep
dc.autoscrollstep
;
2854 ob "max-height-fit" c.maxhfit
dc.maxhfit
;
2855 ob "crop-hack" c.crophack
dc.crophack
;
2856 ob "throttle" showall
dc.showall
;
2857 ob "highlight-links" c.hlinks
dc.hlinks
;
2858 ob "under-cursor-info" c.underinfo
dc.underinfo
;
2859 oi
"vertical-margin" interpagespace dc.interpagespace;
2860 oz
"zoom" zoom dc.zoom;
2861 ob "presentation" presentation dc.presentation;
2862 oi
"rotation-angle" c.angle
dc.angle
;
2863 ob "persistent-bookmarks" c.savebmarks
dc.savebmarks
;
2864 ob "proportional-display" c.proportional
dc.proportional
;
2865 oi
"pixmap-cache-size" c.memlimit
dc.memlimit
;
2866 oi
"texcount" c.texcount
dc.texcount
;
2867 oi
"slice-height" c.sliceheight
dc.sliceheight
;
2868 oi
"thumbnail-width" c.thumbw
dc.thumbw
;
2872 let bb = Buffer.create
32768 in
2874 Buffer.add_string
bb "<llppconfig>\n<defaults ";
2875 add_attrs bb true dc dc;
2876 Buffer.add_string
bb "/>\n";
2878 let adddoc path pan
anchor c bookmarks =
2879 if bookmarks == [] && c = dc && anchor = emptyanchor
2882 Printf.bprintf
bb "<doc path='%s'"
2883 (enent
path 0 (String.length
path));
2885 if anchor <> emptyanchor
2887 let n, y = anchor in
2888 Printf.bprintf
bb " page='%d'" n;
2889 Printf.bprintf
bb " rely='%f'" y;
2893 then Printf.bprintf
bb " pan='%d'" pan
;
2895 add_attrs bb false dc c;
2897 begin match bookmarks with
2898 | [] -> Buffer.add_string
bb "/>\n"
2900 Buffer.add_string
bb ">\n<bookmarks>\n";
2901 List.iter
(fun (title, _level
, page, rely
) ->
2903 "<item title='%s' page='%d' rely='%f'/>\n"
2904 (enent
title 0 (String.length
title))
2908 Buffer.add_string
bb "</bookmarks>\n</doc>\n";
2914 match state.mode
with
2915 | Birdseye
(_
, pan, _
, _
, _
) -> pan
2918 let basename = Filename.basename state.path in
2919 adddoc basename pan (getanchor ())
2922 if state.ascrollstep
> 0
2923 then state.ascrollstep
2924 else conf.autoscrollstep
}
2925 (if conf.savebmarks
then state.bookmarks else []);
2927 Hashtbl.iter
(fun path (c, bookmarks, x, y) ->
2929 then adddoc path x y c bookmarks
2931 Buffer.add_string
bb "</llppconfig>";
2934 if Buffer.length
bb > 0
2937 let tmp = path ^
".tmp" in
2938 let oc = open_out_bin
tmp in
2939 Buffer.output_buffer
oc bb;
2941 Sys.rename
tmp path;
2944 ("error while saving configuration: " ^
Printexc.to_string exn
)
2950 ["-p", Arg.String
(fun s -> state.password
<- s) , "password"]
2951 (fun s -> state.path <- s)
2952 ("Usage: " ^
Sys.argv
.(0) ^
" [options] some.pdf\noptions:")
2954 if String.length
state.path = 0
2955 then (prerr_endline
"filename missing"; exit
1);
2959 let _ = Glut.init
Sys.argv
in
2960 let () = Glut.initDisplayMode ~depth
:false ~double_buffer
:true () in
2961 let () = Glut.initWindowSize
conf.winw
conf.winh
in
2962 let _ = Glut.createWindow
("llpp " ^
Filename.basename state.path) in
2965 if Sys.os_type
= "Unix"
2967 Unix.socketpair
Unix.PF_UNIX
Unix.SOCK_STREAM
0
2969 let addr = Unix.ADDR_INET
(Unix.inet_addr_loopback
, 1337) in
2970 let sock = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
2971 Unix.setsockopt
sock Unix.SO_REUSEADDR
true;
2972 Unix.bind
sock addr;
2974 let csock = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
2975 Unix.connect
csock addr;
2976 let ssock, _ = Unix.accept
sock in
2979 Unix.setsockopt
sock Unix.TCP_NODELAY
true;
2980 Unix.setsockopt_optint
sock Unix.SO_LINGER None
;
2984 at_exit
(fun () -> Unix.shutdown
ssock Unix.SHUTDOWN_ALL
);
2988 let () = Glut.displayFunc
display in
2989 let () = Glut.reshapeFunc
reshape in
2990 let () = Glut.keyboardFunc
keyboard in
2991 let () = Glut.specialFunc
special in
2992 let () = Glut.idleFunc
(Some
idle) in
2993 let () = Glut.mouseFunc
mouse in
2994 let () = Glut.motionFunc
motion in
2995 let () = Glut.passiveMotionFunc
pmotion in
2997 init
ssock (conf.angle
, conf.proportional
, conf.texcount
, conf.sliceheight
);
2998 state.csock <- csock;
2999 state.ssock <- ssock;
3000 state.text <- "Opening " ^
state.path;
3001 writeopen state.path state.password
;
3005 let rec handlelablglutbug () =
3008 with Glut.BadEnum
"key in special_of_int" ->
3009 showtext '
!'
" LablGlut bug: special key not recognized";
3010 handlelablglutbug ()
3012 handlelablglutbug ();