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
= string * string * onhist
option * onkey
* ondone
46 and onkey
= string -> int -> te
47 and ondone
= string -> unit
48 and histcancel
= unit -> unit
49 and onhist
= ((histcmd
-> string) * histcancel
)
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
157 ; mutable jumpback
: bool
158 ; mutable bgcolor
: float * float * float
159 ; mutable bedefault
: bool
163 type outline
= string * int * int * float;;
165 | Oarray
of outline array
166 | Olist
of outline list
167 | Onarrow
of string * outline array
* outline array
170 type rect
= float * float * float * float * float * float * float * float;;
172 type pagemapkey
= pageno
* width
* angle
* proportional
* gen
;;
174 type anchor
= pageno
* top
;;
176 let emptyanchor = (0, 0.0);;
177 let initialanchor = (-1, nan
);;
180 | Birdseye
of (conf
* leftx
* pageno
* pageno
* anchor
)
181 | Outline
of (bool * int * int * outline array
* string * int * mode
)
182 | Items
of (int * int * item array
* string * int * mode
)
183 | Textentry
of (textentry
* onleave
)
185 and onleave
= leavetextentrystatus
-> unit
186 and leavetextentrystatus
= | Cancel
| Confirm
187 and item
= string * int * action
190 | Action
of (int -> int -> string -> int -> mode
)
193 let isbirdseye = function Birdseye _
-> true | _
-> false;;
194 let istextentry = function Textentry _
-> true | _
-> false;;
197 { mutable csock
: Unix.file_descr
198 ; mutable ssock
: Unix.file_descr
202 ; mutable anchor
: anchor
204 ; mutable layout
: layout list
205 ; pagemap
: (pagemapkey
, (opaque
* pixmapsize
)) Hashtbl.t
206 ; mutable pdims
: (pageno
* width
* height
* leftx
) list
207 ; mutable pagecount
: int
208 ; pagecache
: string circbuf
209 ; mutable rendering
: bool
210 ; mutable mstate
: mstate
211 ; mutable searchpattern
: string
212 ; mutable rects
: (pageno
* recttype
* rect
) list
213 ; mutable rects1
: (pageno
* recttype
* rect
) list
214 ; mutable text
: string
215 ; mutable fullscreen
: (width
* height
) option
216 ; mutable mode
: mode
217 ; mutable outlines
: outlines
218 ; mutable bookmarks
: outline list
219 ; mutable path
: string
220 ; mutable password
: string
221 ; mutable invalidated
: int
222 ; mutable colorscale
: float
223 ; mutable memused
: int
225 ; mutable throttle
: layout list
option
226 ; mutable ascrollstep
: int
227 ; mutable help
: item array
228 ; mutable docinfo
: (int * string) list
232 { pat
: string circbuf
233 ; pag
: string circbuf
234 ; nav
: anchor circbuf
248 ; autoscrollstep
= 24
254 ; presentation
= false
259 ; proportional
= true
260 ; memlimit
= 32*1024*1024
265 ; bgcolor
= (0.5, 0.5, 0.5)
270 let conf = { defconf with angle
= defconf.angle
};;
273 let strings = ("llpp version " ^
Help.version
) :: "" :: Help.keys
in
274 Array.of_list
(List.map
(fun s
-> s
, 0, Noaction
) strings);
282 ; anchor
= initialanchor
286 ; pagemap
= Hashtbl.create
10
287 ; pagecache
= cbnew 100 ""
298 ; outlines
= Olist
[]
304 { nav
= cbnew 100 (0, 0.0)
321 Printf.kprintf prerr_endline fmt
323 Printf.kprintf ignore fmt
327 let len = String.length s
in
329 let b = Buffer.create
n in
330 Buffer.add_char
b (Char.chr
((len lsr 24) land 0xff));
331 Buffer.add_char
b (Char.chr
((len lsr 16) land 0xff));
332 Buffer.add_char
b (Char.chr
((len lsr 8) land 0xff));
333 Buffer.add_char
b (Char.chr
((len lsr 0) land 0xff));
334 Buffer.add_string
b s
;
335 let s'
= Buffer.contents
b in
336 let n'
= Unix.write fd
s'
0 n in
337 if n'
!= n then failwith
"write failed";
342 let n = Unix.read fd
s 0 4 in
343 if n != 4 then failwith
"incomplete read(len)";
345 lor (Char.code
s.[0] lsl 24)
346 lor (Char.code
s.[1] lsl 16)
347 lor (Char.code
s.[2] lsl 8)
348 lor (Char.code
s.[3] lsl 0)
350 let s = String.create
len in
351 let n = Unix.read fd
s 0 len in
352 if n != len then failwith
"incomplete read(data)";
357 let b = Buffer.create
10 in
358 Buffer.add_string
b s;
359 let rec combine = function
362 Buffer.add_char
b ' '
;
365 | `
b b -> if b then "1" else "0"
367 | `i i
-> string_of_int i
368 | `f f
-> string_of_float f
369 | `I f
-> string_of_int
(truncate f
)
371 Buffer.add_string
b s;
378 let cmd = Buffer.contents
(makecmd s l
) in
379 writecmd state.csock
cmd;
385 let d = conf.winh
- h
in
392 let rec f pn ph pi fh l
=
394 | (n, _
, h
, _
) :: rest
->
395 let ips = calcips h
in
400 if isbirdseye state.mode
&& pn
= 0
405 let fh = fh + ((n - pn
) * (ph
+ pi
)) in
410 if conf.presentation
|| (isbirdseye state.mode
&& pn
= 0)
414 let fh = fh + ((state.pagecount
- pn
) * (ph
+ pi
)) + inc in
417 let fh = f 0 0 0 0 state.pdims
in
421 let getpageyh pageno
=
422 let rec f pn ph pi y l
=
424 | (n, _
, h
, _
) :: rest
->
425 let ips = calcips h
in
428 let h = if n = pageno
then h else ph
in
429 if conf.presentation
&& n = pageno
431 y
+ (pageno
- pn
) * (ph
+ pi
) + pi
, h
433 y
+ (pageno
- pn
) * (ph
+ pi
), h
435 let y = y + (if conf.presentation
then pi
else 0) in
436 let y = y + (n - pn
) * (ph
+ pi
) in
440 y + (pageno
- pn
) * (ph
+ pi
), ph
442 f 0 0 0 0 state.pdims
445 let getpagey pageno
= fst
(getpageyh pageno
);;
448 let rec f ~pageno ~pdimno ~prev ~py ~dy ~pdims ~cacheleft ~accu
=
449 let ((w
, h, ips, x
) as curr
), rest
, pdimno
, yinc
=
451 | (pageno'
, w
, h, x
) :: rest
when pageno'
= pageno
->
452 let ips = calcips h in
454 if conf.presentation
|| (isbirdseye state.mode
&& pageno
= 0)
458 (w
, h, ips, x
), rest
, pdimno
+ 1, yinc
460 prev
, pdims
, pdimno
, 0
462 let dy = dy + yinc in
463 let py = py + yinc in
464 if pageno
= state.pagecount
|| cacheleft
= 0 || dy >= sh
469 if py + h <= vy - yinc
471 let py = py + h + ips in
472 let dy = max
0 (py - y) in
482 let pagey = vy - py in
483 let pagevh = h - pagey in
484 let pagevh = min
(sh
- dy) pagevh in
485 let off = if yinc > 0 then py - vy else 0 in
486 let py = py + h + ips in
492 ; pagedispy
= dy + off
493 ; pagey = pagey + off
494 ; pagevh = pagevh - off
498 let accu = e :: accu in
505 ~cacheleft
:(cacheleft
-1)
508 if state.invalidated
= 0
518 ~cacheleft
:(cbcap state.pagecache
)
528 let y = state.y + incr
in
530 let y = min
y (state.maxy
- (if conf.maxhfit
then conf.winh
else 0)) in
534 let getopaque pageno
=
535 try Some
(Hashtbl.find
state.pagemap
536 (pageno
, state.w
, conf.angle
, conf.proportional
, state.gen
))
537 with Not_found
-> None
540 let cache pageno opaque
=
541 Hashtbl.replace
state.pagemap
542 (pageno
, state.w
, conf.angle
, conf.proportional
, state.gen
) opaque
545 let validopaque opaque
= String.length opaque
> 0;;
548 match getopaque l
.pageno
with
549 | None
when not
state.rendering
->
550 state.rendering
<- true;
551 cache l
.pageno
("", -1);
552 wcmd "render" [`i
(l
.pageno
+ 1)
559 let loadlayout layout =
560 let rec f all
= function
562 begin match getopaque l
.pageno
with
563 | None
-> render l
; f false ls
564 | Some
(opaque
, _
) -> f (all
&& validopaque opaque
) ls
568 f (layout <> []) layout;
571 let findpageforopaque opaque
=
573 (fun k
(v
, s) a
-> if v
= opaque
then Some
(k
, s) else a
)
577 let pagevisible layout n = List.exists
(fun l
-> l
.pageno
= n) layout;;
583 let memleft = conf.memlimit
- state.memused
in
586 let opaque = cbpeek state.pagecache
in
587 match findpageforopaque opaque with
588 | Some
((n, _
, _
, _
, _
), size
) ->
589 memleft + size
>= 0 && not
(pagevisible state.layout n)
596 let presentation = conf.presentation in
597 let interpagespace = conf.interpagespace in
598 let maxy = state.maxy in
599 conf.presentation <- false;
600 conf.interpagespace <- 0;
601 state.maxy <- calcheight ();
603 match state.layout with
605 | l
:: _
-> getpagey l
.pageno
+ l
.pagey
607 let y = if y < conf.winh
then 0 else y - conf.winh
in
608 let pages = layout y (conf.winh
*3) in
609 List.iter
render pages;
610 conf.presentation <- presentation;
611 conf.interpagespace <- interpagespace;
617 let y = min
state.maxy y in
618 let pages = layout y conf.winh
in
619 let ready = loadlayout pages in
625 state.layout <- pages;
626 state.throttle
<- None
;
627 Glut.postRedisplay
();
630 state.throttle
<- Some
pages;
635 state.layout <- pages;
636 state.throttle
<- None
;
637 Glut.postRedisplay
();
639 begin match state.mode
with
640 | Birdseye
(conf, leftx
, pageno
, hooverpageno
, anchor
) ->
641 if not
(pagevisible pages pageno
)
643 match state.layout with
646 state.mode
<- Birdseye
(conf, leftx
, l
.pageno
, hooverpageno
, anchor
)
653 let gotoy_and_clear_text y =
655 if not
conf.verbose
then state.text
<- "";
659 match state.layout with
661 | l
:: _
-> (l
.pageno
, float l
.pagey /. float l
.pageh
)
664 let getanchory (n, top
) =
665 let y, h = getpageyh n in
666 y + (truncate
(top
*. float h));
669 let gotoanchor anchor
=
670 gotoy (getanchory anchor
);
674 cbput state.hists
.nav
(getanchor ());
678 let anchor = cbgetc state.hists
.nav dir
in
683 let y, h = getpageyh n in
684 gotoy_and_clear_text (y + (truncate
(top
*. float h)));
687 let gotopage1 n top
=
688 let y = getpagey n in
689 gotoy_and_clear_text (y + top
);
697 state.invalidated
<- state.invalidated
+ 1;
701 let c = c *. state.colorscale
in
705 let scalecolor2 (r
, g
, b) =
706 (r
*. state.colorscale
, g
*. state.colorscale
, b *. state.colorscale
);
710 state.maxy <- calcheight ();
711 match state.mode
with
712 | Birdseye
(_
, _
, pageno
, _
, _
) ->
713 let y, h = getpageyh pageno
in
714 let top = (conf.winh
- h) / 2 in
715 gotoy (max
0 (y - top))
716 | _
-> gotoanchor state.anchor
720 GlMat.mode `projection
;
721 GlMat.load_identity
();
722 GlMat.rotate ~x
:1.0 ~angle
:180.0 ();
723 GlMat.translate ~x
:~
-.1.0 ~
y:~
-.1.0 ();
724 GlMat.scale3
(2.0 /. float state.w
, 2.0 /. float conf.winh
, 1.0);
727 GlMat.translate ~x
:(float state.x
) ();
732 GlMat.mode `projection
;
733 GlMat.load_identity
();
734 GlMat.rotate ~x
:1.0 ~angle
:180.0 ();
735 GlMat.translate ~x
:~
-.1.0 ~
y:~
-.1.0 ();
736 GlMat.scale3
(2.0 /. float conf.winw
, 2.0 /. float conf.winh
, 1.0);
740 if state.invalidated
= 0 && state.anchor == initialanchor
741 then state.anchor <- getanchor ();
744 let w = truncate
(float w *. conf.zoom
) - conf.scrollw
in
748 GlMat.mode `modelview
;
749 GlMat.load_identity
();
750 GlClear.color
(scalecolor 1.0);
751 GlClear.clear
[`color
];
754 wcmd "geometry" [`i
w; `i
h];
758 GlDraw.color
(0.0, 0.0, 0.0);
760 (0.0, float (conf.winh
- 18))
761 (float (conf.winw
- conf.scrollw
- 1), float conf.winh
)
763 let font = Glut.BITMAP_8_BY_13
in
764 GlDraw.color
(1.0, 1.0, 1.0);
765 GlPix.raster_pos ~x
:0.0 ~
y:(float (conf.winh
- 5)) ();
766 Glut.bitmapCharacter ~
font ~
c:(Char.code ' '
);
767 String.iter
(fun c -> Glut.bitmapCharacter ~
font ~
c:(Char.code
c)) s;
771 let len = String.length
state.text
in
772 match state.mode
with
773 | Textentry
((prefix
, text
, _
, _
, _
), _
) ->
775 match String.length prefix
with
779 Printf.sprintf
"%s%s^ [%s]" prefix text
state.text
781 Printf.sprintf
"%s%s^" prefix text
786 Printf.sprintf
"%s: %s^ [%s]" prefix text
state.text
788 Printf.sprintf
"%s: %s^" prefix text
793 if len > 0 then showtext state.text
797 state.text
<- Printf.sprintf
"%c%s" c s;
798 Glut.postRedisplay
();
807 state.rects
<- state.rects1
;
808 Glut.postRedisplay
()
811 let n = Scanf.sscanf
cmd "C %u" (fun n -> n) in
812 state.pagecount
<- n;
813 state.invalidated
<- state.invalidated
- 1;
814 if state.invalidated
= 0
818 let s = Scanf.sscanf
cmd "t %n"
819 (fun n -> String.sub
cmd n (String.length
cmd - n))
821 Glut.setWindowTitle
s
824 let s = Scanf.sscanf
cmd "T %n"
825 (fun n -> String.sub
cmd n (String.length
cmd - n))
827 if istextentry state.mode
834 Glut.postRedisplay
();
840 let s = Scanf.sscanf
cmd "V %n"
841 (fun n -> String.sub
cmd n (String.length
cmd - n))
847 let pageno, c, x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
=
848 Scanf.sscanf
cmd "F %u %d %f %f %f %f %f %f %f %f"
849 (fun p
c x0 y0 x1 y1 x2 y2 x3 y3
->
850 (p
, c, x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
))
852 let y = (getpagey pageno) + truncate y0
in
855 state.rects1
<- [pageno, c, (x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
)]
858 let pageno, c, x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
=
859 Scanf.sscanf
cmd "R %u %d %f %f %f %f %f %f %f %f"
860 (fun p
c x0 y0 x1 y1 x2 y2 x3 y3
->
861 (p
, c, x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
))
864 (pageno, c, (x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
)) :: state.rects1
867 let n, w, _h
, r
, l
, s, p
=
868 Scanf.sscanf
cmd "r %u %u %u %d %d %u %s"
869 (fun n w h r l
s p
->
870 (n-1, w, h, r
, l
!= 0, s, p
))
873 Hashtbl.replace
state.pagemap
(n, w, r
, l
, state.gen
) (p
, s);
874 state.memused
<- state.memused
+ s;
877 match state.throttle
with
878 | None
-> state.layout
879 | Some
layout -> layout
883 if (state.memused
<= conf.memlimit
) || cbempty state.pagecache
886 let evictedopaque = cbpeek state.pagecache
in
887 match findpageforopaque evictedopaque with
888 | None
-> failwith
"bug in gc"
889 | Some
((evictedn
, _
, _
, _
, gen
) as k
, evictedsize
) ->
890 if state.gen
!= gen
|| not
(pagevisible layout evictedn
)
892 wcmd "free" [`
s evictedopaque];
893 state.memused
<- state.memused
- evictedsize
;
894 Hashtbl.remove
state.pagemap k
;
895 cbdecr state.pagecache
;
902 cbput state.pagecache p
;
903 state.rendering
<- false;
905 begin match state.throttle
with
907 if pagevisible state.layout n
910 let allvisible = loadlayout state.layout in
911 if allvisible then preload ();
918 let y = getpagey l
.pageno + l
.pagey in
924 Scanf.sscanf
cmd "l %u %u %u %u" (fun n w h x
-> n, w, h, x
)
926 state.pdims
<- pdim :: state.pdims
929 let (l
, n, t
, h, pos
) =
930 Scanf.sscanf
cmd "o %u %u %d %u %n" (fun l
n t
h pos
-> l
, n, t
, h, pos
)
932 let s = String.sub
cmd pos
(String.length
cmd - pos
) in
934 let l = String.length
s in
935 let b = Buffer.create
(String.length
s) in
942 | '
\xa0'
when pc2 -> Buffer.add_char
b ' '
; false
945 let c = if Char.code
c land 0x80 = 0 then c else '?'
in
954 let outline = (s, l, n, float t
/. float h) in
956 match state.outlines with
957 | Olist
outlines -> Olist
(outline :: outlines)
958 | Oarray _
-> Olist
[outline]
959 | Onarrow _
-> Olist
[outline]
961 state.outlines <- outlines
965 let s = Scanf.sscanf
cmd "i %n"
966 (fun n -> String.sub
cmd n (String.length
cmd - n))
968 let len = String.length
s in
969 let rec fold accu pos
=
971 try String.index_from
s pos '
\n'
with Not_found
-> len
976 let line = String.sub
s pos
(eolpos - pos
) in
977 fold ((1, line)::accu) (eolpos+1)
979 state.docinfo
<- fold state.docinfo
0
982 dolog "unknown cmd `%S'" cmd
985 let now = Unix.gettimeofday
;;
989 let r, _
, _
= Unix.select
[state.csock
] [] [] delay
in
992 if state.ascrollstep
> 0
994 let y = state.y + state.ascrollstep
in
995 let y = if y >= state.maxy then 0 else y in
1001 let cmd = readcmd state.csock
in
1010 let action = function
1011 | HCprev
-> cbget cb ~
-1
1012 | HCnext
-> cbget cb
1
1013 | HCfirst
-> cbget cb ~
-(cb
.rc)
1014 | HClast
-> cbget cb
(cb
.len - 1 - cb
.rc)
1015 and cancel
() = cb
.rc <- rc
1019 let search pattern forward
=
1020 if String.length pattern
> 0
1023 match state.layout with
1026 l.pageno, (l.pagey + if forward
then 0 else 0*l.pagevh)
1029 let b = makecmd "search"
1030 [`
b conf.icase
; `i
pn; `i
py; `i
(if forward
then 1 else 0)]
1032 Buffer.add_char
b '
,'
;
1033 Buffer.add_string
b pattern
;
1034 Buffer.add_char
b '
\000'
;
1037 writecmd state.csock
cmd;
1040 let intentry text key
=
1041 let c = Char.unsafe_chr key
in
1044 let s = "x" in s.[0] <- c;
1045 let text = text ^
s in
1049 state.text <- Printf.sprintf
"invalid char (%d, `%c')" key
c;
1054 let b = Buffer.create
(String.length
s + 1) in
1055 Buffer.add_string
b s;
1056 Buffer.add_char
b c;
1060 let textentry text key
=
1061 let c = Char.unsafe_chr key
in
1063 | _
when key
>= 32 && key
< 127 ->
1064 let text = addchar text c in
1068 dolog "unhandled key %d char `%c'" key
(Char.unsafe_chr key
);
1072 let reinit angle proportional
=
1073 conf.angle
<- angle
;
1074 conf.proportional
<- proportional
;
1076 wcmd "reinit" [`i angle
; `
b proportional
];
1080 let zoom = max
0.01 (min
2.2 zoom) in
1081 if zoom <> conf.zoom
1086 state.anchor <- getanchor ();
1087 reshape conf.winw
conf.winh
;
1088 state.text <- Printf.sprintf
"zoom is now %-5.1f" (zoom *. 100.0);
1092 let enterbirdseye () =
1093 let zoom = float conf.thumbw
/. float conf.winw
in
1094 let birdseyepageno =
1095 let rec fold candidate
= function
1097 | l :: _
when l.pagey = 0 -> l.pageno
1098 | l :: rest
-> fold l.pageno rest
1102 state.mode
<- Birdseye
(
1103 { conf with zoom = conf.zoom }, state.x
, birdseyepageno, -1, getanchor ()
1106 conf.presentation <- false;
1107 conf.interpagespace <- 10;
1108 conf.hlinks
<- false;
1110 state.mstate
<- Mnone
;
1111 conf.showall
<- false;
1112 Glut.setCursor
Glut.CURSOR_INHERIT
;
1115 state.text <- Printf.sprintf
"birds eye mode on (zoom %3.1f%%)"
1120 reshape conf.winw
conf.winh
;
1123 let leavebirdseye (c, leftx
, pageno, _
, anchor) goback
=
1125 conf.zoom <- c.zoom;
1126 conf.presentation <- c.presentation;
1127 conf.interpagespace <- c.interpagespace;
1128 conf.showall
<- c.showall
;
1129 conf.hlinks
<- c.hlinks
;
1133 state.text <- Printf.sprintf
"birds eye mode off (zoom %3.1f%%)"
1136 reshape conf.winw
conf.winh
;
1137 state.anchor <- if goback
then anchor else (pageno, 0.0);
1140 let togglebirdseye () =
1141 match state.mode
with
1142 | Birdseye vals
-> leavebirdseye vals
true
1143 | View
| Outline _
-> enterbirdseye ()
1147 let upbirdseye (conf, leftx
, pageno, hooverpageno
, anchor) =
1148 let pageno = max
0 (pageno - 1) in
1149 let rec loop = function
1150 | [] -> gotopage1 pageno 0
1151 | l :: _
when l.pageno = pageno ->
1152 if l.pagedispy
>= 0 && l.pagey = 0
1153 then Glut.postRedisplay
()
1154 else gotopage1 pageno 0
1155 | _
:: rest
-> loop rest
1158 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor)
1161 let downbirdseye (conf, leftx
, pageno, hooverpageno
, anchor) =
1162 let pageno = min
(state.pagecount
- 1) (pageno + 1) in
1163 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor);
1164 let rec loop = function
1166 let y, h = getpageyh pageno in
1167 let dy = (y - state.y) - (conf.winh
- h - conf.interpagespace) in
1169 | l :: _
when l.pageno = pageno ->
1170 if l.pagevh != l.pageh
1171 then gotoy (clamp (l.pageh
- l.pagevh + conf.interpagespace))
1172 else Glut.postRedisplay
()
1173 | _
:: rest
-> loop rest
1178 let optentry mode _ key
=
1179 let btos b = if b then "on" else "off" in
1180 let c = Char.unsafe_chr key
in
1184 try conf.scrollstep
<- int_of_string
s with exc
->
1185 state.text <- Printf.sprintf
"bad integer `%s': %s"
1186 s (Printexc.to_string exc
)
1188 TEswitch
("scroll step", "", None
, intentry, ondone)
1193 conf.autoscrollstep
<- int_of_string
s;
1194 if state.ascrollstep
> 0
1195 then state.ascrollstep
<- conf.autoscrollstep
;
1197 state.text <- Printf.sprintf
"bad integer `%s': %s"
1198 s (Printexc.to_string exc
)
1200 TEswitch
("auto scroll step", "", None
, intentry, ondone)
1205 let zoom = float (int_of_string
s) /. 100.0 in
1208 state.text <- Printf.sprintf
"bad integer `%s': %s"
1209 s (Printexc.to_string exc
)
1211 TEswitch
("zoom", "", None
, intentry, ondone)
1216 conf.thumbw
<- max
2 (min
1920 (int_of_string
s));
1218 Printf.sprintf
"thumbnail width is set to %d" conf.thumbw
;
1219 begin match mode
with
1221 leavebirdseye beye
false;
1226 state.text <- Printf.sprintf
"bad integer `%s': %s"
1227 s (Printexc.to_string exc
)
1229 TEswitch
("thumbnail width", "", None
, intentry, ondone)
1234 Some
(int_of_string
s)
1236 state.text <- Printf.sprintf
"bad integer `%s': %s"
1237 s (Printexc.to_string exc
);
1240 | Some angle
-> reinit angle
conf.proportional
1243 TEswitch
("rotation", "", None
, intentry, ondone)
1246 conf.icase
<- not
conf.icase
;
1247 TEdone
("case insensitive search " ^
(btos conf.icase
))
1250 conf.preload <- not
conf.preload;
1252 TEdone
("preload " ^
(btos conf.preload))
1255 conf.verbose
<- not
conf.verbose
;
1256 TEdone
("verbose " ^
(btos conf.verbose
))
1259 conf.maxhfit
<- not
conf.maxhfit
;
1260 state.maxy <- state.maxy + (if conf.maxhfit
then -conf.winh
else conf.winh
);
1261 TEdone
("maxhfit " ^
(btos conf.maxhfit
))
1264 conf.crophack
<- not
conf.crophack
;
1265 TEdone
("crophack " ^
btos conf.crophack
)
1268 conf.showall
<- not
conf.showall
;
1269 TEdone
("throttle " ^
btos conf.showall
)
1272 conf.underinfo
<- not
conf.underinfo
;
1273 TEdone
("underinfo " ^
btos conf.underinfo
)
1276 conf.savebmarks
<- not
conf.savebmarks
;
1277 TEdone
("persistent bookmarks " ^
btos conf.savebmarks
)
1283 match state.layout with
1288 conf.interpagespace <- int_of_string
s;
1289 state.maxy <- calcheight ();
1290 let y = getpagey pageno in
1293 state.text <- Printf.sprintf
"bad integer `%s': %s"
1294 s (Printexc.to_string exc
)
1296 TEswitch
("vertical margin", "", None
, intentry, ondone)
1299 reinit conf.angle
(not
conf.proportional
);
1300 TEdone
("proprortional display " ^
btos conf.proportional
)
1303 state.text <- Printf.sprintf
"bad option %d `%c'" key
c;
1307 let maxoutlinerows () = (conf.winh
- 31) / 16;;
1309 let enterselector allowdel
outlines errmsg msg
=
1310 if Array.length
outlines = 0
1312 showtext ' ' errmsg
;
1316 Glut.setCursor
Glut.CURSOR_INHERIT
;
1318 match state.layout with
1320 | {pageno=pageno} :: _
-> pageno
1324 if n = Array.length
outlines
1327 let (_
, _
, outlinepageno
, _
) = outlines.(n) in
1328 if outlinepageno
>= pageno then n else loop (n+1)
1332 state.mode
<- Outline
1333 (allowdel
, active, max
0 (active - maxoutlinerows () / 2), outlines, "", 0,
1335 Glut.postRedisplay
();
1339 let enteroutlinemode () =
1341 match state.outlines with
1344 let a = Array.of_list
(List.rev
l) in
1345 state.outlines <- Oarray
a;
1347 | Onarrow
(pat
, a, _
) ->
1348 a, "Outline was narrowed to `" ^ pat ^
"' (Ctrl-u to restore)"
1350 enterselector false outlines "Document has no outline" msg
;
1353 let enterbookmarkmode () =
1354 let bookmarks = Array.of_list
state.bookmarks in
1355 enterselector true bookmarks "Document has no bookmarks (yet)" "";
1358 let mode_to_string mode
=
1359 let b = Buffer.create
10 in
1360 let rec f = function
1361 | Textentry
(_
, _
) -> Buffer.add_string
b "Textentry ";
1362 | View
-> Buffer.add_string
b "View"
1363 | Birdseye _
-> Buffer.add_string
b "Birdseye"
1364 | Items _
-> Buffer.add_string
b "Items"
1365 | Outline _
-> Buffer.add_string
b "Outline"
1371 let enterinfomode () =
1372 let btos = function true -> "on" | _
-> "off" in
1373 let mode = state.mode in
1374 let rec makeitems () =
1375 let intp name get set
=
1376 Printf.sprintf
"%-24s %d" name
(get
()), 1, Action
(
1377 fun active first _qsearch pan
->
1382 state.text <- Printf.sprintf
"bad integer `%s': %s"
1383 s (Printexc.to_string exn
);
1386 if n != max_int
then set
n;
1388 let te = name
, "", None
, intentry, ondone in
1393 state.mode <- Items
(active, first
, makeitems (), "", pan
, mode)
1396 and boolp name get set
=
1397 Printf.sprintf
"%-24s %s" name
(btos (get
())), 1, Action
(
1398 fun active first qsearch pan
->
1401 Items
(active, first
, makeitems (), qsearch
, pan
, mode);
1405 let birdseye = isbirdseye mode in
1407 (if birdseye then "Setup bird's eye" else "Setup"), 0, Noaction
;
1409 boolp
"presentation"
1410 (fun () -> conf.presentation)
1412 conf.presentation <- v;
1413 state.anchor <- getanchor ();
1416 boolp
"ignore case in searches"
1417 (fun () -> conf.icase
)
1418 (fun v -> conf.icase
<- v);
1421 (fun () -> conf.preload)
1422 (fun v -> conf.preload <- v);
1425 (fun () -> conf.verbose
)
1426 (fun v -> conf.verbose
<- v);
1429 (fun () -> conf.maxhfit
)
1430 (fun v -> conf.maxhfit
<- v);
1433 (fun () -> conf.crophack
)
1434 (fun v -> conf.crophack
<- v);
1437 (fun () -> conf.showall
)
1438 (fun v -> conf.showall
<- v);
1440 boolp
"highlight links"
1441 (fun () -> conf.hlinks
)
1442 (fun v -> conf.hlinks
<- v);
1445 (fun () -> conf.underinfo
)
1446 (fun v -> conf.underinfo
<- v);
1447 boolp
"persistent bookmarks"
1448 (fun () -> conf.savebmarks
)
1449 (fun v -> conf.savebmarks
<- v);
1451 boolp
"proportional display"
1452 (fun () -> conf.proportional
)
1453 (fun v -> reinit conf.angle
v);
1455 boolp
"persistent location"
1456 (fun () -> conf.jumpback
)
1457 (fun v -> conf.jumpback
<- v);
1461 intp "vertical margin"
1462 (fun () -> conf.interpagespace)
1464 conf.interpagespace <- n;
1466 match state.layout with
1471 state.maxy <- calcheight ();
1472 let y = getpagey pageno in
1477 (fun () -> conf.pagebias
)
1478 (fun v -> conf.pagebias
<- v);
1481 (fun () -> conf.scrollstep
)
1482 (fun n -> conf.scrollstep
<- n);
1484 intp "auto scroll step"
1486 if state.ascrollstep
> 0
1487 then state.ascrollstep
1488 else conf.autoscrollstep
)
1490 if state.ascrollstep
> 0
1491 then state.ascrollstep
<- n
1492 else conf.autoscrollstep
<- n);
1495 (fun () -> truncate
(conf.zoom *. 100.))
1496 (fun v -> setzoom ((float v) /. 100.));
1499 (fun () -> conf.angle
)
1500 (fun v -> reinit v conf.proportional
);
1502 intp "scroll bar width"
1503 (fun () -> conf.scrollw
)
1506 reshape conf.winw
conf.winh
;
1509 intp "scroll handle height"
1510 (fun () -> conf.scrollh
)
1511 (fun v -> conf.scrollh
<- v;);
1513 intp "thumbnail width"
1514 (fun () -> conf.thumbw
)
1516 conf.thumbw
<- min
1920 v;
1519 leavebirdseye beye
false;
1525 "Pixmap Cache", 0, Noaction
;
1527 intp "size (advisory)"
1528 (fun () -> conf.memlimit
)
1529 (fun v -> conf.memlimit
<- v);
1530 Printf.sprintf
"%-24s %d" "used" state.memused
, 1, Noaction
;
1537 :: ("Document", 0, Noaction
)
1538 :: List.map
(fun (_
, s) -> (s, 1, Noaction
)) state.docinfo
1544 :: (Printf.sprintf
"Save these parameters as defaults at exit (%s)"
1545 (btos conf.bedefault
),
1548 fun active first qsearch pan
->
1549 conf.bedefault
<- not
conf.bedefault
;
1550 Items
(active, first
, makeitems (), qsearch
, pan
, mode);
1555 Array.of_list
(items @ tailer)
1558 state.mode <- Items
(1, 0, makeitems (), "", 0, mode);
1559 Glut.postRedisplay
();
1562 let enterhelpmode () =
1563 state.mode <- Items
(0, 0, state.help
, "", 0, state.mode);
1564 Glut.postRedisplay
();
1567 let quickbookmark ?title
() =
1568 match state.layout with
1574 let sec = Unix.gettimeofday
() in
1575 let tm = Unix.localtime
sec in
1576 Printf.sprintf
"Quick (page %d) (bookmarked at %d/%d/%d %d:%d)"
1580 (tm.Unix.tm_year
+ 1900)
1583 | Some
title -> title
1586 (title, 0, l.pageno, float l.pagey /. float l.pageh
) :: state.bookmarks
1590 state.fullscreen
<- None
;
1591 Glut.reshapeWindow
w h;
1594 let writeopen path password
=
1595 writecmd state.csock
("open " ^ path ^
"\000" ^ password ^
"\000");
1596 writecmd state.csock
"info";
1599 let opendoc path password
=
1602 state.password
<- password
;
1603 state.gen
<- state.gen
+ 1;
1605 writeopen path password
;
1606 Glut.setWindowTitle
("llpp " ^
Filename.basename path
);
1607 wcmd "geometry" [`i
state.w; `i
conf.winh
];
1610 let viewkeyboard ~key ~x ~
y =
1614 let mode = state.mode in
1615 state.mode <- Textentry
(te, fun _
-> state.mode <- mode);
1618 Glut.postRedisplay
()
1620 let c = Char.chr key
in
1622 | '
\027'
| 'q'
-> (* escape *)
1625 | '
\008'
-> (* backspace *)
1626 let y = getnav ~
-1 in
1627 gotoy_and_clear_text y
1635 Glut.postRedisplay
()
1638 let ondone isforw
s =
1639 cbput state.hists
.pat
s;
1640 state.searchpattern
<- s;
1643 let s = String.create
1 in
1645 enttext (s, "", Some
(onhist state.hists
.pat
),
1646 textentry, ondone (c ='
/'
))
1648 | '
+'
when Glut.getModifiers
() land Glut.active_ctrl
!= 0 ->
1649 let incr = if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01 in
1650 setzoom (min
2.2 (conf.zoom +. incr))
1655 try int_of_string
s with exc
->
1656 state.text <- Printf.sprintf
"bad integer `%s': %s"
1657 s (Printexc.to_string exc
);
1663 state.text <- "page bias is now " ^ string_of_int
n;
1666 enttext ("page bias", "", None
, intentry, ondone)
1668 | '
-'
when Glut.getModifiers
() land Glut.active_ctrl
!= 0 ->
1669 let decr = if conf.zoom -. 0.1 < 0.1 then 0.01 else 0.1 in
1670 setzoom (max
0.01 (conf.zoom -. decr))
1673 let ondone msg
= state.text <- msg
in
1675 "option [acfhilpstvAPRSZ]", "", None
,
1676 optentry state.mode, ondone
1679 | '
0'
when (Glut.getModifiers
() land Glut.active_ctrl
!= 0) ->
1682 | '
1'
when (Glut.getModifiers
() land Glut.active_ctrl
!= 0) ->
1683 let zoom = zoomforh
conf.winw
conf.winh
conf.scrollw
in
1687 | '
9'
when (Glut.getModifiers
() land Glut.active_ctrl
!= 0) ->
1693 try int_of_string
s with exc
->
1694 state.text <- Printf.sprintf
"bad integer `%s': %s"
1695 s (Printexc.to_string exc
);
1701 cbput state.hists
.pag
(string_of_int
n);
1702 gotoy_and_clear_text (getpagey (n + conf.pagebias
- 1))
1705 let pageentry text key
=
1706 match Char.unsafe_chr key
with
1707 | 'g'
-> TEdone
text
1708 | _
-> intentry text key
1710 let text = "x" in text.[0] <- c;
1711 enttext (":", text, Some
(onhist state.hists
.pag
), pageentry, ondone)
1714 conf.scrollw
<- if conf.scrollw
> 0 then 0 else defconf.scrollw
;
1715 reshape conf.winw
conf.winh
;
1718 conf.hlinks
<- not
conf.hlinks
;
1719 state.text <- "highlightlinks " ^
if conf.hlinks
then "on" else "off";
1720 Glut.postRedisplay
()
1723 if state.ascrollstep
= 0
1724 then state.ascrollstep
<- conf.autoscrollstep
1726 conf.autoscrollstep
<- state.ascrollstep
;
1727 state.ascrollstep
<- 0;
1731 conf.presentation <- not
conf.presentation;
1732 showtext ' '
("presentation mode " ^
1733 if conf.presentation then "on" else "off");
1734 state.anchor <- getanchor ();
1738 begin match state.fullscreen
with
1740 state.fullscreen
<- Some
(conf.winw
, conf.winh
);
1743 state.fullscreen
<- None
;
1748 gotoy_and_clear_text 0
1751 search state.searchpattern
true
1754 search state.searchpattern
false
1757 begin match state.layout with
1760 gotoy_and_clear_text (getpagey l.pageno)
1764 begin match List.rev
state.layout with
1767 let pageno = min
(l.pageno+1) (state.pagecount
-1) in
1768 gotoy_and_clear_text (getpagey pageno)
1771 | '
\127'
-> (* delte *)
1772 begin match state.layout with
1775 let pageno = max
0 (l.pageno-1) in
1776 gotoy_and_clear_text (getpagey pageno)
1781 if fn
= -1 then l.pageno, l.pageno else fn
, l.pageno
1783 let fn, ln
= List.fold_left
f (-1, -1) state.layout in
1785 let maxy = state.maxy - (if conf.maxhfit
then conf.winh
else 0) in
1789 else (100. *. (float state.y /. float maxy)) in
1792 Printf.sprintf
"Page %d of %d %.2f%%"
1793 (fn+1) state.pagecount
percent
1796 "Pages %d-%d of %d %.2f%%"
1797 (fn+1) (ln
+1) state.pagecount
percent
1802 begin match state.layout with
1805 doreshape (l.pagew
+ conf.scrollw
) l.pageh
;
1806 Glut.postRedisplay
();
1810 enterbookmarkmode ()
1820 match state.layout with
1823 (s, 0, l.pageno, float l.pagey /. float l.pageh
)
1827 enttext ("bookmark", "", None
, textentry, ondone)
1831 showtext ' '
"Quick bookmark added";
1834 begin match state.layout with
1836 let rect = getpdimrect
l.pagedimno
in
1840 (truncate
(1.8 *. (rect.(1) -. rect.(0))),
1841 truncate
(1.2 *. (rect.(3) -. rect.(0))))
1843 (truncate
(rect.(1) -. rect.(0)),
1844 truncate
(rect.(3) -. rect.(0)))
1848 doreshape (w + conf.scrollw
) (h + conf.interpagespace)
1850 Glut.postRedisplay
();
1856 reinit (conf.angle
+ (if c = '
>'
then 30 else -30)) conf.proportional
1861 (min
(state.colorscale
+. (if c = '
]'
then 0.1 else -0.1)) 1.0);
1862 Glut.postRedisplay
()
1865 begin match state.mode with
1866 | Birdseye beye
-> upbirdseye beye
1867 | _
-> gotoy (clamp (-conf.scrollstep
))
1871 begin match state.mode with
1872 | Birdseye beye
-> downbirdseye beye
1873 | _
-> gotoy (clamp conf.scrollstep
)
1876 | '
r'
-> opendoc state.path
state.password
1879 vlog "huh? %d %c" key
(Char.chr key
);
1882 let textentrykeyboard ~key ~x ~
y ((c, text, opthist
, onkey
, ondone), onleave
) =
1886 state.mode <- Textentry
(te, onleave
);
1889 Glut.postRedisplay
()
1891 match Char.unsafe_chr key
with
1892 | '
\008'
-> (* backspace *)
1893 let len = String.length
text in
1897 Glut.postRedisplay
();
1900 let s = String.sub
text 0 (len - 1) in
1901 enttext (c, s, opthist
, onkey
, ondone)
1907 Glut.postRedisplay
()
1909 | '
\027'
-> (* escape *)
1910 begin match opthist
with
1912 | Some
(_
, onhistcancel
) -> onhistcancel
()
1915 Glut.postRedisplay
()
1918 begin match onkey
text key
with
1922 Glut.postRedisplay
()
1925 enttext (c, text, opthist
, onkey
, ondone);
1929 Glut.postRedisplay
()
1932 state.mode <- Textentry
(te, onleave
);
1933 Glut.postRedisplay
()
1937 let birdseyekeyboard ~key ~x ~
y ((_
, _
, pageno, _
, _
) as beye
) =
1939 | 27 -> (* escape *)
1940 leavebirdseye beye
true
1942 | 12 -> (* ctrl-l *)
1943 let y, h = getpageyh pageno in
1944 let top = (conf.winh
- h) / 2 in
1945 gotoy (max
0 (y - top))
1948 leavebirdseye beye
false
1951 viewkeyboard ~key ~x ~
y
1954 let itemskeyboard ~key ~x ~
y (active, first
, items, qsearch
, pan
, oldmode
) =
1957 let set active first qsearch
=
1958 state.mode <- Items
(active, first
, items, qsearch
, pan
, oldmode
)
1960 let search active pattern
incr =
1963 if n = Array.length
items || n = -1
1966 let (s, _
, _
) = items.(n) in
1968 (try ignore
(Str.search_forward re
s 0); true
1969 with Not_found
-> false)
1971 else loop (n + incr)
1976 let re = Str.regexp_case_fold pattern
in
1982 let firstof active = max
0 (active - maxoutlinerows () / 2) in
1984 | 18 | 19 -> (* ctrl-r/ctlr-s *)
1985 let incr = if key
= 18 then -1 else 1 in
1987 match search (active + incr) qsearch
incr with
1989 state.text <- qsearch ^
" [not found]";
1992 state.text <- qsearch
;
1993 active, firstof active
1995 set active first qsearch
;
1996 Glut.postRedisplay
();
1998 | 8 -> (* backspace *)
1999 let len = String.length qsearch
in
2006 set active first
"";
2009 let qsearch = String.sub
qsearch 0 (len - 1) in
2011 match search active qsearch ~
-1 with
2013 state.text <- qsearch ^
" [not found]";
2016 state.text <- qsearch;
2017 active, firstof active
2019 set active first
qsearch
2021 Glut.postRedisplay
()
2023 | _
when key
>= 32 && key
< 127 ->
2024 let pattern = addchar qsearch (Char.chr key
) in
2026 match search active pattern 1 with
2028 state.text <- pattern ^
" [not found]";
2031 state.text <- pattern;
2032 active, firstof active
2034 set active first
pattern;
2035 Glut.postRedisplay
()
2037 | 27 -> (* escape *)
2039 state.mode <- oldmode
;
2040 Glut.postRedisplay
();
2043 if active < Array.length
items
2045 match items.(active) with
2047 state.mode <- f active first
qsearch pan
2051 state.mode <- oldmode
2053 Glut.postRedisplay
();
2055 | _
-> dolog "unknown key %d" key
2058 let outlinekeyboard ~key ~x ~
y
2059 (allowdel
, active, first
, outlines, qsearch, pan
, oldmode
) =
2062 let narrow outlines pattern =
2063 let reopt = try Some
(Str.regexp_case_fold
pattern) with _
-> None
in
2067 let rec fold accu n =
2071 let (s, _
, _
, _
) as o
= outlines.(n) in
2073 if (try ignore
(Str.search_forward
re s 0); true
2074 with Not_found
-> false)
2080 let matched = fold [] (Array.length
outlines - 1) in
2081 if matched = [] then None
else Some
(Array.of_list
matched)
2083 let search active pattern incr =
2086 if n = Array.length
outlines || n = -1
2089 let (s, _
, _
, _
) = outlines.(n) in
2091 (try ignore
(Str.search_forward
re s 0); true
2092 with Not_found
-> false)
2094 else loop (n + incr)
2099 let re = Str.regexp_case_fold
pattern in
2105 let firstof active = max
0 (active - maxoutlinerows () / 2) in
2107 | 27 -> (* escape *)
2108 if String.length
qsearch = 0
2111 state.mode <- oldmode
;
2112 Glut.postRedisplay
();
2116 state.mode <- Outline
(
2117 allowdel
, active, first
, outlines, "", pan
, oldmode
2119 Glut.postRedisplay
();
2122 | 18 | 19 -> (* ctrl-r/ctrl-s *)
2123 let incr = if key
= 18 then -1 else 1 in
2125 match search (active + incr) qsearch incr with
2127 state.text <- qsearch ^
" [not found]";
2130 state.text <- qsearch;
2131 active, firstof active
2133 state.mode <- Outline
(
2134 allowdel
, active, first
, outlines, qsearch, pan
, oldmode
2136 Glut.postRedisplay
();
2138 | 8 -> (* backspace *)
2139 let len = String.length
qsearch in
2146 state.mode <- Outline
(
2147 allowdel
, active, first
, outlines, "", pan
, oldmode
2151 let qsearch = String.sub
qsearch 0 (len - 1) in
2153 match search active qsearch ~
-1 with
2155 state.text <- qsearch ^
" [not found]";
2158 state.text <- qsearch;
2159 active, firstof active
2161 state.mode <- Outline
(
2162 allowdel
, active, first
, outlines, qsearch, pan
, oldmode
2165 Glut.postRedisplay
()
2168 if active < Array.length
outlines
2170 let (_
, _
, n, t
) = outlines.(active) in
2175 if allowdel
then state.bookmarks <- Array.to_list
outlines;
2176 state.mode <- oldmode
;
2177 Glut.postRedisplay
();
2179 | _
when key
>= 32 && key
< 127 ->
2180 let pattern = addchar qsearch (Char.chr key
) in
2182 match search active pattern 1 with
2184 state.text <- pattern ^
" [not found]";
2187 state.text <- pattern;
2188 active, firstof active
2190 state.mode <- Outline
(
2191 allowdel
, active, first
, outlines, pattern, pan
, oldmode
2193 Glut.postRedisplay
()
2195 | 14 when not allowdel
-> (* ctrl-n *)
2196 if String.length
qsearch > 0
2198 let optoutlines = narrow outlines qsearch in
2199 begin match optoutlines with
2200 | None
-> state.text <- "can't narrow"
2202 state.mode <- Outline
(
2203 allowdel
, 0, 0, outlines, qsearch, pan
, oldmode
2205 match state.outlines with
2208 state.outlines <- Onarrow
(qsearch, outlines, a)
2209 | Onarrow
(_
, _
, b) ->
2210 state.outlines <- Onarrow
(qsearch, outlines, b)
2213 Glut.postRedisplay
()
2215 | 21 when not allowdel
-> (* ctrl-u *)
2217 match state.outlines with
2220 let a = Array.of_list
(List.rev
l) in
2221 state.outlines <- Oarray
a;
2223 | Onarrow
(_
, _
, b) ->
2224 state.outlines <- Oarray
b;
2228 state.mode <- Outline
(allowdel
, 0, 0, outline, qsearch, pan
, oldmode
);
2229 Glut.postRedisplay
()
2231 | 12 -> (* ctrl-l *)
2232 state.mode <- Outline
2233 (allowdel
, active, firstof active, outlines, qsearch, pan
, oldmode
);
2234 Glut.postRedisplay
()
2236 | 127 when allowdel
-> (* delete *)
2237 let len = Array.length
outlines - 1 in
2241 state.bookmarks <- [];
2244 let bookmarks = Array.init
len
2246 let i = if i >= active then i + 1 else i in
2260 Glut.postRedisplay
()
2262 | _
-> dolog "unknown key %d" key
2265 let keyboard ~key ~x ~
y =
2270 match state.mode with
2271 | Outline
outline -> outlinekeyboard ~key ~x ~
y outline
2272 | Textentry
textentry -> textentrykeyboard ~key ~x ~
y textentry
2273 | Birdseye
birdseye -> birdseyekeyboard ~key ~x ~
y birdseye
2274 | View
-> viewkeyboard ~key ~x ~
y
2275 | Items
items -> itemskeyboard ~key ~x ~
y items
2278 let birdseyespecial key _ _
2279 ((conf, leftx
, _
, hooverpageno
, anchor) as beye
) =
2281 | Glut.KEY_UP
-> upbirdseye beye
2282 | Glut.KEY_DOWN
-> downbirdseye beye
2284 | Glut.KEY_PAGE_UP
->
2285 begin match state.layout with
2289 state.mode <- Birdseye
(
2290 conf, leftx
, l.pageno, hooverpageno
, anchor
2292 gotopage1 l.pageno 0;
2295 let layout = layout (state.y-conf.winh
) conf.winh
in
2297 | [] -> gotoy (clamp (-conf.winh
))
2299 state.mode <- Birdseye
(
2300 conf, leftx
, l.pageno, hooverpageno
, anchor
2302 gotopage1 l.pageno 0
2305 | [] -> gotoy (clamp (-conf.winh
))
2308 | Glut.KEY_PAGE_DOWN
->
2309 begin match List.rev
state.layout with
2311 let layout = layout (state.y + conf.winh
) conf.winh
in
2312 begin match layout with
2314 let incr = l.pageh
- l.pagevh in
2319 conf, leftx
, state.pagecount
- 1, hooverpageno
, anchor
2321 Glut.postRedisplay
();
2323 else gotoy (clamp (incr + conf.interpagespace*2));
2327 Birdseye
(conf, leftx
, l.pageno, hooverpageno
, anchor);
2328 gotopage1 l.pageno 0;
2331 | [] -> gotoy (clamp conf.winh
)
2335 state.mode <- Birdseye
(conf, leftx
, 0, hooverpageno
, anchor);
2339 let pageno = state.pagecount
- 1 in
2340 state.mode <- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor);
2341 if not
(pagevisible state.layout pageno)
2344 match List.rev
state.pdims
with
2346 | (_
, _
, h, _
) :: _
-> h
2348 gotoy (max
0 (getpagey pageno - (conf.winh
- h - conf.interpagespace)))
2349 else Glut.postRedisplay
();
2353 let setautoscrollspeed goingdown
=
2354 let incr = max
1 (state.ascrollstep
/ 2) in
2355 let astep = max
1 (state.ascrollstep
+ (if goingdown
then incr else -incr)) in
2356 state.ascrollstep
<- astep;
2359 let special ~key ~x ~
y =
2360 match state.mode with
2361 | View
| (Birdseye _
) when key
= Glut.KEY_F9
->
2365 birdseyespecial key x
y vals
2367 | View
when key
= Glut.KEY_F1
->
2371 if state.ascrollstep
> 0 && (key
= Glut.KEY_DOWN
|| key
= Glut.KEY_UP
)
2372 then setautoscrollspeed (key
= Glut.KEY_DOWN
)
2376 | Glut.KEY_F3
-> search state.searchpattern
true; state.y
2377 | Glut.KEY_UP
-> clamp (-conf.scrollstep
)
2378 | Glut.KEY_DOWN
-> clamp conf.scrollstep
2379 | Glut.KEY_PAGE_UP
->
2380 if Glut.getModifiers
() land Glut.active_ctrl
!= 0
2382 match state.layout with
2384 | l :: _
-> state.y - l.pagey
2387 | Glut.KEY_PAGE_DOWN
->
2388 if Glut.getModifiers
() land Glut.active_ctrl
!= 0
2390 match List.rev
state.layout with
2392 | l :: _
-> getpagey l.pageno
2395 | Glut.KEY_HOME
-> addnav (); 0
2398 state.maxy - (if conf.maxhfit
then conf.winh
else 0)
2400 | (Glut.KEY_RIGHT
| Glut.KEY_LEFT
) when
2401 Glut.getModifiers
() land Glut.active_alt
!= 0 ->
2402 getnav (if key
= Glut.KEY_LEFT
then 1 else -1)
2404 | Glut.KEY_RIGHT
when conf.zoom > 1.0 ->
2405 state.x
<- state.x
- 10;
2407 | Glut.KEY_LEFT
when conf.zoom > 1.0 ->
2408 state.x
<- state.x
+ 10;
2413 gotoy_and_clear_text y
2416 ((c, _
, (Some
(action, _
) as onhist), onkey
, ondone), mode) ->
2419 | Glut.KEY_UP
-> action HCprev
2420 | Glut.KEY_DOWN
-> action HCnext
2421 | Glut.KEY_HOME
-> action HCfirst
2422 | Glut.KEY_END
-> action HClast
2425 state.mode <- Textentry
((c, s, onhist, onkey
, ondone), mode);
2426 Glut.postRedisplay
()
2430 | Items
(active, first
, items, qsearch, pan
, oldmode
) ->
2431 let maxrows = maxoutlinerows () in
2432 let itemcount = Array.length
items in
2433 let hasaction = function
2434 | (_
, _
, Noaction
) -> false
2437 let find start
incr =
2439 if i = -1 || i = itemcount
2442 if hasaction items.(i)
2444 else find (i + incr)
2449 let set active first
=
2450 let first = max
0 (min
first (itemcount - maxrows)) in
2451 state.mode <- Items
(active, first, items, qsearch, pan
, oldmode
)
2454 let isvisible first n = n >= first && n - first <= maxrows in
2456 let incr1 = if incr > 0 then 1 else -1 in
2457 if isvisible first active
2460 let next = active + incr in
2462 if next < 0 || next >= itemcount
2464 else find next incr1
2466 if next = -1 || abs
(active - next) > maxrows
2472 let first = first + incr in
2473 let first = max
0 (min
first (itemcount - 1)) in
2475 let next = active + incr in
2476 let next = max
0 (min
next (itemcount - 1)) in
2479 let active = if next = -1 then active else next in
2482 let first = min
next first in
2485 let first = first + incr in
2486 let first = max
0 (min
first (itemcount - 1)) in
2488 let next = active + incr in
2489 let next = max
0 (min
next (itemcount - 1)) in
2490 let next = find next incr1 in
2491 if next = -1 || abs
(active - first) > maxrows
2498 Glut.postRedisplay
()
2500 begin match key
with
2501 | Glut.KEY_UP
-> navigate ~
-1
2502 | Glut.KEY_DOWN
-> navigate 1
2503 | Glut.KEY_PAGE_UP
-> navigate ~
-maxrows
2504 | Glut.KEY_PAGE_DOWN
-> navigate maxrows
2507 state.mode <- Items
(
2508 active, first, items, qsearch, min
0 (pan
- 1), oldmode
2510 Glut.postRedisplay
()
2513 state.mode <- Items
(
2514 active, first, items, qsearch, min
0 (pan
+ 1), oldmode
2516 Glut.postRedisplay
()
2519 let active = find 0 1 in
2521 Glut.postRedisplay
()
2524 let first = max
0 (itemcount - maxrows) in
2525 let active = find (itemcount - 1) ~
-1 in
2527 Glut.postRedisplay
()
2532 | Outline
(allowdel
, active, first, outlines, qsearch, pan
, oldmode
) ->
2533 let maxrows = maxoutlinerows () in
2534 let calcfirst first active =
2537 let rows = active - first in
2538 if rows > maxrows then active - maxrows else first
2542 let active = active + incr in
2543 let active = max
0 (min
active (Array.length
outlines - 1)) in
2544 let first = calcfirst first active in
2545 state.mode <- Outline
(
2546 allowdel
, active, first, outlines, qsearch, pan
, oldmode
2548 Glut.postRedisplay
()
2550 let updownlevel incr =
2551 let len = Array.length
outlines in
2552 let (_
, curlevel
, _
, _
) = outlines.(active) in
2554 if i = len then i-1 else if i = -1 then 0 else
2555 let (_
, l, _
, _
) = outlines.(i) in
2556 if l != curlevel
then i else flow (i+incr)
2558 let active = flow active in
2559 let first = calcfirst first active in
2560 state.mode <- Outline
(
2561 allowdel
, active, first, outlines, qsearch, pan
, oldmode
2563 Glut.postRedisplay
()
2566 | Glut.KEY_UP
-> navigate ~
-1
2567 | Glut.KEY_DOWN
-> navigate 1
2568 | Glut.KEY_PAGE_UP
-> navigate ~
-maxrows
2569 | Glut.KEY_PAGE_DOWN
-> navigate maxrows
2572 if Glut.getModifiers
() land Glut.active_ctrl
!= 0
2574 state.mode <- Outline
(
2575 allowdel
, active, first, outlines,
2576 qsearch, min
0 (pan
- 1), oldmode
2578 Glut.postRedisplay
();
2586 if Glut.getModifiers
() land Glut.active_ctrl
!= 0
2588 state.mode <- Outline
(
2589 allowdel
, active, first, outlines, qsearch, pan
+ 1, oldmode
2591 Glut.postRedisplay
();
2595 then updownlevel ~
-1
2599 state.mode <- Outline
(
2600 allowdel
, 0, 0, outlines, qsearch, pan
, oldmode
2602 Glut.postRedisplay
()
2605 let active = Array.length
outlines - 1 in
2606 let first = max
0 (active - maxrows) in
2607 state.mode <- Outline
(
2608 allowdel
, active, first, outlines, qsearch, pan
, oldmode
2610 Glut.postRedisplay
()
2615 let drawplaceholder l =
2616 let margin = state.x
+ (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2618 (float l.pagex
, float l.pagedispy
)
2619 (float (l.pagew
+ l.pagex
), float (l.pagedispy
+ l.pagevh))
2621 let x = float (if margin < 0 then -margin else l.pagex
)
2622 and y = float (l.pagedispy
+ 13) in
2623 let font = Glut.BITMAP_8_BY_13
in
2624 GlDraw.color
(0.0, 0.0, 0.0);
2625 GlPix.raster_pos ~
x ~
y ();
2626 String.iter
(fun c -> Glut.bitmapCharacter ~
font ~
c:(Char.code
c))
2627 ("Loading " ^ string_of_int
(l.pageno + 1));
2630 let now () = Unix.gettimeofday
();;
2634 match state.mode with
2635 | Textentry _
-> scalecolor 0.4
2636 | View
| Outline _
| Items _
-> scalecolor 1.0
2637 | Birdseye
(_
, _
, pageno, hooverpageno
, _
) ->
2638 if l.pageno = hooverpageno
2641 if l.pageno = pageno
2647 begin match getopaque l.pageno with
2648 | Some
(opaque, _
) when validopaque opaque ->
2650 draw
(l.pagedispy
, l.pagew
, l.pagevh, l.pagey, conf.hlinks
)
2654 vlog "draw %d %f sec" l.pageno d;
2662 let maxy = state.maxy - (if conf.maxhfit
then conf.winh
else 0) in
2663 let sh = (float (maxy + conf.winh
) /. float conf.winh
) in
2664 let sh = float conf.winh
/. sh in
2665 let sh = max
sh (float conf.scrollh
) in
2668 if state.y = state.maxy
2670 else float y /. float maxy
2672 let position = (float conf.winh
-. sh) *. percent in
2675 if position +. sh > float conf.winh
2676 then float conf.winh
-. sh
2682 let scrollindicator () =
2683 GlDraw.color (0.64 , 0.64, 0.64);
2685 (float (conf.winw
- conf.scrollw
), 0.)
2686 (float conf.winw
, float conf.winh
)
2688 GlDraw.color (0.0, 0.0, 0.0);
2690 let position, sh = scrollph state.y in
2692 (float (conf.winw
- conf.scrollw
), position)
2693 (float conf.winw
, position +. sh)
2697 let showsel margin =
2698 match state.mstate
with
2699 | Mnone
| Mscroll _
| Mpan _
| Mzoom _
->
2702 | Msel
((x0
, y0
), (x1
, y1
)) ->
2703 let rec loop = function
2705 if (y0
>= l.pagedispy
&& y0
<= (l.pagedispy
+ l.pagevh))
2706 || ((y1
>= l.pagedispy
&& y1
<= (l.pagedispy
+ l.pagevh)))
2708 match getopaque l.pageno with
2709 | Some
(opaque, _
) when validopaque opaque ->
2710 let oy = -l.pagey + l.pagedispy
in
2712 (x0
- margin - state.x, y0
,
2713 x1
- margin - state.x, y1
) oy;
2723 let panx = float state.x in
2725 GlDraw.color (0.0, 0.0, 1.0) ~alpha
:0.5;
2726 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2728 (fun (pageno, c, (x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
)) ->
2730 if l.pageno = pageno
2732 let d = float (l.pagedispy
- l.pagey) in
2733 GlDraw.color (0.0, 0.0, 1.0 /. float c) ~alpha
:0.5;
2734 GlDraw.begins `quads
;
2736 GlDraw.vertex2
(x0
+.panx, y0
+.d);
2737 GlDraw.vertex2
(x1
+.panx, y1
+.d);
2738 GlDraw.vertex2
(x2
+.panx, y2
+.d);
2739 GlDraw.vertex2
(x3
+.panx, y3
+.d);
2749 let showoutline (_
, active, first, outlines, _
, pan
, _
) =
2751 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2752 GlDraw.color (0., 0., 0.) ~alpha
:0.85;
2753 GlDraw.rect (0., 0.) (float conf.winw
, float conf.winh
);
2756 GlDraw.color (1., 1., 1.);
2757 let font = Glut.BITMAP_9_BY_15
in
2758 let draw_string x y s =
2759 GlPix.raster_pos ~
x ~
y ();
2760 String.iter
(fun c -> Glut.bitmapCharacter ~
font ~
c:(Char.code
c)) s
2763 if row
= Array.length
outlines || (row
- first) * 16 > conf.winh
2766 let (s, level
, _
, _
) = outlines.(row
) in
2767 let y = (row
- first) * 16 in
2768 let x = 5 + 15*(max
0 (level
+pan
)) in
2772 GlDraw.polygon_mode `both `
line;
2773 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2774 GlDraw.color (1., 1., 1.) ~alpha
:0.9;
2775 GlDraw.rect (0., float (y + 1))
2776 (float (conf.winw
- 1), float (y + 18));
2777 GlDraw.polygon_mode `both `fill
;
2779 GlDraw.color (1., 1., 1.);
2782 let l = String.length
s in
2785 let pan = pan * 2 in
2786 let left = l + pan in
2789 let s = String.sub
s (-pan) left in
2790 draw_string (float x) (float (y + 16)) s
2793 draw_string (float (x + pan*15)) (float (y + 16)) s
2802 let showitems (active, first, items, _
, pan, _
) =
2804 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2805 GlDraw.color (0., 0., 0.) ~alpha
:0.90;
2806 GlDraw.rect (0., 0.) (float conf.winw
, float conf.winh
);
2809 GlDraw.color (1., 1., 1.);
2810 let font = Glut.BITMAP_9_BY_15
in
2811 let draw_string x y s =
2812 GlPix.raster_pos ~
x ~
y ();
2813 String.iter
(fun c -> Glut.bitmapCharacter ~
font ~
c:(Char.code
c)) s
2816 if row
= Array.length
items || (row
- first) * 16 > conf.winh
2819 let (s, l, a) = items.(row
) in
2820 let y = (row
- first) * 16 in
2821 let x = 5 + (max
0 (l+pan))*15 in
2822 if row
= active && a <> Noaction
2825 GlDraw.polygon_mode `both `
line;
2826 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
2827 GlDraw.color (1., 1., 1.) ~alpha
:0.9;
2828 GlDraw.rect (0., float (y + 1))
2829 (float (conf.winw
- 1), float (y + 18));
2830 GlDraw.polygon_mode `both `fill
;
2832 GlDraw.color (1., 1., 1.);
2835 let l = String.length
s in
2838 let pan = pan * 2 in
2839 let left = l + pan in
2842 let s = String.sub
s (-pan) left in
2843 draw_string (float x) (float (y + 16)) s
2846 draw_string (float (x + pan*15)) (float (y + 16)) s
2856 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2857 GlDraw.viewport
margin 0 state.w conf.winh
;
2859 GlClear.color (scalecolor2 conf.bgcolor
);
2860 GlClear.clear
[`
color];
2863 Gl.enable `scissor_test
;
2864 GlMisc.scissor
0 0 (conf.winw
- conf.scrollw
) conf.winh
;
2866 List.iter
drawpage state.layout;
2869 Gl.disable `scissor_test
2873 let x = -.float state.x in
2874 GlMat.translate ~
x ();
2878 GlDraw.viewport
0 0 conf.winw
conf.winh
;
2881 begin match state.mode with
2882 | Items
items -> showitems items
2883 | Outline
outline -> showoutline outline
2887 Glut.swapBuffers
();
2891 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
2892 let x = x - margin - state.x in
2893 let rec f = function
2895 begin match getopaque l.pageno with
2896 | Some
(opaque, _
) when validopaque opaque ->
2897 let y = y - l.pagedispy
in
2900 let y = l.pagey + y in
2901 let x = x - l.pagex
in
2902 match whatsunder
opaque x y with
2915 let viewmouse button bstate
x y =
2917 | Glut.OTHER_BUTTON
n when (n == 3 || n == 4) && bstate
= Glut.UP
->
2918 if Glut.getModifiers
() land Glut.active_ctrl
!= 0
2920 match state.mstate
with
2921 | Mzoom
(oldn
, i) ->
2929 if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01
2931 if conf.zoom -. 0.1 < 0.1 then -0.01 else -0.1
2933 let zoom = conf.zoom +. incr in
2935 state.mstate
<- Mzoom
(n, 0);
2937 state.mstate
<- Mzoom
(n, i+1);
2939 else state.mstate
<- Mzoom
(n, 0)
2941 | _
-> state.mstate
<- Mzoom
(n, 0)
2944 if state.ascrollstep
> 0
2946 setautoscrollspeed (n=4)
2950 then -conf.scrollstep
2951 else conf.scrollstep
2953 let incr = incr * 2 in
2954 let y = clamp incr in
2955 gotoy_and_clear_text y
2958 | Glut.LEFT_BUTTON
when Glut.getModifiers
() land Glut.active_ctrl
!= 0 ->
2959 if bstate
= Glut.DOWN
2961 Glut.setCursor
Glut.CURSOR_CROSSHAIR
;
2962 state.mstate
<- Mpan
(x, y)
2965 state.mstate
<- Mnone
2967 | Glut.LEFT_BUTTON
when x > conf.winw
- conf.scrollw
->
2968 if bstate
= Glut.DOWN
2970 let position, sh = scrollph state.y in
2971 if y > truncate
position && y < truncate
(position +. sh)
2973 state.mstate
<- Mscroll
2975 let percent = float y /. float conf.winh
in
2976 let desty = truncate
(float (state.maxy - conf.winh
) *. percent) in
2978 state.mstate
<- Mscroll
2980 state.mstate
<- Mnone
2982 | Glut.LEFT_BUTTON
->
2983 let dest = if bstate
= Glut.DOWN
then getunder x y else Unone
in
2984 begin match dest with
2985 | Ulinkgoto
(pageno, top) ->
2989 gotopage1 pageno top;
2995 | Unone
when bstate
= Glut.DOWN
->
2996 Glut.setCursor
Glut.CURSOR_CROSSHAIR
;
2997 state.mstate
<- Mpan
(x, y);
2999 | Unone
| Utext _
->
3000 if bstate
= Glut.DOWN
3002 if conf.angle
mod 360 = 0
3004 state.mstate
<- Msel
((x, y), (x, y));
3005 Glut.postRedisplay
()
3009 match state.mstate
with
3012 | Mzoom _
| Mscroll
->
3013 state.mstate
<- Mnone
3016 Glut.setCursor
Glut.CURSOR_INHERIT
;
3017 state.mstate
<- Mnone
3019 | Msel
((_
, y0
), (_
, y1
)) ->
3021 if (y0
>= l.pagedispy
&& y0
<= (l.pagedispy
+ l.pagevh))
3022 || ((y1
>= l.pagedispy
&& y1
<= (l.pagedispy
+ l.pagevh)))
3024 match getopaque l.pageno with
3025 | Some
(opaque, _
) when validopaque opaque ->
3029 List.iter
f state.layout;
3030 copysel
""; (* ugly *)
3031 Glut.setCursor
Glut.CURSOR_INHERIT
;
3032 state.mstate
<- Mnone
;
3039 let birdseyemouse button bstate
x y
3040 (conf, leftx
, _
, hooverpageno
, anchor) =
3042 | Glut.LEFT_BUTTON
when bstate
= Glut.UP
->
3043 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
3044 let rec loop = function
3047 if y > l.pagedispy
&& y < l.pagedispy
+ l.pagevh
3048 && x > margin && x < margin + l.pagew
3050 leavebirdseye (conf, leftx
, l.pageno, hooverpageno
, anchor) false;
3055 | Glut.OTHER_BUTTON _
-> viewmouse button bstate
x y
3059 let mouse bstate button
x y =
3060 match state.mode with
3061 | View
-> viewmouse button bstate
x y
3062 | Birdseye beye
-> birdseyemouse button bstate
x y beye
3063 | Textentry _
| Outline _
| Items _
-> ()
3066 let mouse ~button ~
state ~
x ~
y = mouse state button
x y;;
3069 match state.mode with
3072 match state.mstate
with
3073 | Mzoom _
| Mnone
-> ()
3078 state.mstate
<- Mpan
(x, y);
3079 if conf.zoom > 1.0 then state.x <- state.x + dx;
3081 gotoy_and_clear_text y
3084 state.mstate
<- Msel
(a, (x, y));
3085 Glut.postRedisplay
()
3088 let y = min
conf.winh
(max
0 y) in
3089 let percent = float y /. float conf.winh
in
3090 let y = truncate
(float (state.maxy - conf.winh
) *. percent) in
3091 gotoy_and_clear_text y
3095 match state.mode with
3096 | Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor) ->
3097 let margin = (conf.winw
- (state.w + conf.scrollw
)) / 2 in
3098 let rec loop = function
3100 if hooverpageno
!= -1
3102 state.mode <- Birdseye
(conf, leftx
, pageno, -1, anchor);
3103 Glut.postRedisplay
();
3106 if y > l.pagedispy
&& y < l.pagedispy
+ l.pagevh
3107 && x > margin && x < margin + l.pagew
3109 state.mode <- Birdseye
(conf, leftx
, pageno, l.pageno, anchor);
3110 Glut.postRedisplay
();
3116 | Outline _
| Items _
| Textentry _
-> ()
3118 match state.mstate
with
3120 begin match getunder x y with
3121 | Unone
-> Glut.setCursor
Glut.CURSOR_INHERIT
3123 if conf.underinfo
then showtext 'u'
("ri: " ^ uri
);
3124 Glut.setCursor
Glut.CURSOR_INFO
3125 | Ulinkgoto
(page
, _
) ->
3127 then showtext 'p'
("age: " ^ string_of_int page
);
3128 Glut.setCursor
Glut.CURSOR_INFO
3130 if conf.underinfo
then showtext '
f'
("ont: " ^
s);
3131 Glut.setCursor
Glut.CURSOR_TEXT
3134 | Mpan _
| Msel _
| Mzoom _
| Mscroll
->
3145 match Sys.os_type
with
3146 | "Win32" -> Sys.getenv
"HOMEPATH"
3147 | _
-> Sys.getenv
"HOME"
3150 ("Can not determine home directory location: " ^
3151 Printexc.to_string exn
);
3155 let color_of_string s =
3156 Scanf.sscanf
s "%d/%d/%d" (fun r g
b ->
3157 (float r /. 256.0, float g
/. 256.0, float b /. 256.0)
3161 let config_of c attrs
=
3165 | "scroll-bar-width" -> { c with scrollw
= max
0 (int_of_string
v) }
3166 | "scroll-handle-height" -> { c with scrollh
= max
0 (int_of_string
v) }
3167 | "case-insensitive-search" -> { c with icase
= bool_of_string
v }
3168 | "preload" -> { c with preload = bool_of_string
v }
3169 | "page-bias" -> { c with pagebias
= int_of_string
v }
3170 | "scroll-step" -> { c with scrollstep
= max
1 (int_of_string
v) }
3171 | "auto-scroll-step" ->
3172 { c with autoscrollstep
= max
0 (int_of_string
v) }
3173 | "max-height-fit" -> { c with maxhfit
= bool_of_string
v }
3174 | "crop-hack" -> { c with crophack
= bool_of_string
v }
3175 | "throttle" -> { c with showall
= bool_of_string
v }
3176 | "highlight-links" -> { c with hlinks
= bool_of_string
v }
3177 | "under-cursor-info" -> { c with underinfo
= bool_of_string
v }
3178 | "vertical-margin" ->
3179 { c with interpagespace = max
0 (int_of_string
v) }
3181 let zoom = float_of_string
v /. 100. in
3182 let zoom = max
0.01 (min
2.2 zoom) in
3183 { c with zoom = zoom }
3184 | "presentation" -> { c with presentation = bool_of_string
v }
3185 | "rotation-angle" -> { c with angle
= int_of_string
v }
3186 | "width" -> { c with winw
= max
20 (int_of_string
v) }
3187 | "height" -> { c with winh
= max
20 (int_of_string
v) }
3188 | "persistent-bookmarks" -> { c with savebmarks
= bool_of_string
v }
3189 | "proportional-display" -> { c with proportional
= bool_of_string
v }
3190 | "pixmap-cache-size" -> { c with memlimit
= max
2 (int_of_string
v) }
3191 | "tex-count" -> { c with texcount
= max
1 (int_of_string
v) }
3192 | "slice-height" -> { c with sliceheight
= max
2 (int_of_string
v) }
3193 | "thumbnail-width" -> { c with thumbw
= max
2 (int_of_string
v) }
3194 | "persistent-location" -> { c with jumpback
= bool_of_string
v }
3195 | "background-color" -> { c with bgcolor
= color_of_string v }
3198 prerr_endline
("Error processing attribute (`" ^
3199 k ^
"'=`" ^
v ^
"'): " ^
Printexc.to_string exn
);
3202 let rec fold c = function
3205 let c = apply c k
v in
3211 let fromstring f pos
n v d =
3214 dolog "Error processing attribute (%S=%S) at %d\n%s"
3215 n v pos
(Printexc.to_string exn
)
3220 let bookmark_of attrs
=
3221 let rec fold title page rely
= function
3222 | ("title", v) :: rest
-> fold v page rely rest
3223 | ("page", v) :: rest
-> fold title v rely rest
3224 | ("rely", v) :: rest
-> fold title page
v rest
3225 | _
:: rest
-> fold title page rely rest
3226 | [] -> title, page
, rely
3228 fold "invalid" "0" "0" attrs
3232 let rec fold path page rely
pan = function
3233 | ("path", v) :: rest
-> fold v page rely
pan rest
3234 | ("page", v) :: rest
-> fold path
v rely
pan rest
3235 | ("rely", v) :: rest
-> fold path page
v pan rest
3236 | ("pan", v) :: rest
-> fold path page rely
v rest
3237 | _
:: rest
-> fold path page rely
pan rest
3238 | [] -> path
, page
, rely
, pan
3240 fold "" "0" "0" "0" attrs
3243 let setconf dst src
=
3244 dst
.scrollw
<- src
.scrollw
;
3245 dst
.scrollh
<- src
.scrollh
;
3246 dst
.icase
<- src
.icase
;
3247 dst
.preload <- src
.preload;
3248 dst
.pagebias
<- src
.pagebias
;
3249 dst
.verbose
<- src
.verbose
;
3250 dst
.scrollstep
<- src
.scrollstep
;
3251 dst
.maxhfit
<- src
.maxhfit
;
3252 dst
.crophack
<- src
.crophack
;
3253 dst
.autoscrollstep
<- src
.autoscrollstep
;
3254 dst
.showall
<- src
.showall
;
3255 dst
.hlinks
<- src
.hlinks
;
3256 dst
.underinfo
<- src
.underinfo
;
3257 dst
.interpagespace <- src
.interpagespace;
3258 dst
.zoom <- src
.zoom;
3259 dst
.presentation <- src
.presentation;
3260 dst
.angle
<- src
.angle
;
3261 dst
.winw
<- src
.winw
;
3262 dst
.winh
<- src
.winh
;
3263 dst
.savebmarks
<- src
.savebmarks
;
3264 dst
.memlimit
<- src
.memlimit
;
3265 dst
.proportional
<- src
.proportional
;
3266 dst
.texcount
<- src
.texcount
;
3267 dst
.sliceheight
<- src
.sliceheight
;
3268 dst
.thumbw
<- src
.thumbw
;
3269 dst
.jumpback
<- src
.jumpback
;
3270 dst
.bgcolor
<- src
.bgcolor
;
3274 let l = String.length
s in
3275 let b = Buffer.create
l in
3281 let h = Hashtbl.create
10 in
3282 let dc = { defconf with angle
= defconf.angle
} in
3283 let rec toplevel v t spos _
=
3285 | Vdata
| Vcdata
| Vend
-> v
3286 | Vopen
("llppconfig", _
, closed
) ->
3289 else { v with f = llppconfig
}
3291 error
"unexpected subelement at top level" s spos
3292 | Vclose _
-> error
"unexpected close at top level" s spos
3294 and llppconfig
v t spos _
=
3296 | Vdata
| Vcdata
| Vend
-> v
3297 | Vopen
("defaults", attrs
, closed
) ->
3298 let c = config_of dc attrs
in
3302 else { v with f = skip
"defaults" (fun () -> v) }
3304 | Vopen
("doc", attrs
, closed
) ->
3305 let pathent, spage
, srely
, span
= doc_of attrs
in
3306 let path = unent pathent
3307 and pageno = fromstring int_of_string spos
"page" spage
0
3308 and rely
= fromstring float_of_string spos
"rely" srely
0.0
3309 and pan = fromstring int_of_string spos
"pan" span
0 in
3310 let c = config_of dc attrs
in
3311 let anchor = (pageno, rely
) in
3313 then (Hashtbl.add
h path (c, [], pan, anchor); v)
3314 else { v with f = doc
path pan anchor c [] }
3317 error
"unexpected subelement in llppconfig" s spos
3319 | Vclose
"llppconfig" -> { v with f = toplevel }
3320 | Vclose _
-> error
"unexpected close in llppconfig" s spos
3322 and doc
path pan anchor c bookmarks v t spos _
=
3324 | Vdata
| Vcdata
-> v
3325 | Vend
-> error
"unexpected end of input in doc" s spos
3326 | Vopen
("bookmarks", _
, closed
) ->
3329 else { v with f = pbookmarks
path pan anchor c bookmarks }
3331 | Vopen
(_
, _
, _
) ->
3332 error
"unexpected subelement in doc" s spos
3335 Hashtbl.add
h path (c, List.rev
bookmarks, pan, anchor);
3336 { v with f = llppconfig
}
3338 | Vclose _
-> error
"unexpected close in doc" s spos
3340 and pbookmarks
path pan anchor c bookmarks v t spos _
=
3342 | Vdata
| Vcdata
-> v
3343 | Vend
-> error
"unexpected end of input in bookmarks" s spos
3344 | Vopen
("item", attrs
, closed
) ->
3345 let titleent, spage
, srely
= bookmark_of attrs
in
3346 let page = fromstring int_of_string spos
"page" spage
0
3347 and rely
= fromstring float_of_string spos
"rely" srely
0.0 in
3348 let bookmarks = (unent titleent, 0, page, rely
) :: bookmarks in
3350 then { v with f = pbookmarks
path pan anchor c bookmarks }
3353 { v with f = skip
"item" f }
3356 error
"unexpected subelement in bookmarks" s spos
3358 | Vclose
"bookmarks" ->
3359 { v with f = doc
path pan anchor c bookmarks }
3361 | Vclose _
-> error
"unexpected close in bookmarks" s spos
3363 and skip tag
f v t spos _
=
3365 | Vdata
| Vcdata
-> v
3367 error
("unexpected end of input in skipped " ^ tag
) s spos
3368 | Vopen
(tag'
, _
, closed
) ->
3372 let f'
() = { v with f = skip tag
f } in
3373 { v with f = skip tag'
f'
}
3377 else error
("unexpected close in skipped " ^ tag
) s spos
3380 parse
{ f = toplevel; accu = () } s;
3386 let len = in_channel_length ic
in
3387 let s = String.create
len in
3388 really_input ic
s 0 len;
3391 | Parse_error
(msg
, s, pos
) ->
3392 let subs = subs s pos
in
3393 let s = Printf.sprintf
"%s: at %d [..%s..]" msg pos
subs in
3394 failwith
("parse error: " ^
s)
3397 failwith
("config load error: " ^
Printexc.to_string exn
)
3403 let dir = Filename.concat
home ".config" in
3404 if Sys.is_directory
dir then dir else home
3407 Filename.concat
dir "llpp.conf"
3411 if Sys.file_exists
path
3414 (try Some
(open_in_bin
path)
3417 ("Error opening configuation file `" ^
path ^
"': " ^
3418 Printexc.to_string exn
);
3427 ("Error loading configuation from `" ^
path ^
"': " ^
3428 Printexc.to_string exn
);
3434 f (Hashtbl.create
0, defconf)
3439 let pc, pb
, px
, pa
=
3441 Hashtbl.find h (Filename.basename
state.path)
3442 with Not_found
-> dc, [], 0, (0, 0.0)
3446 state.bookmarks <- pb
;
3449 then state.anchor <- pa
;
3450 cbput state.hists
.nav pa
;
3455 let add_attrs bb always
dc c =
3458 then Printf.bprintf bb
"\n %s='%b'" s a
3461 then Printf.bprintf bb
"\n %s='%d'" s a
3464 then Printf.bprintf bb
"\n %s='%f'" s (a*.100.)
3469 let r = truncate
(r *. 256.0)
3470 and g
= truncate
(g
*. 256.0)
3471 and b = truncate
(b *. 256.0) in
3472 Printf.bprintf bb
"\n %s='%d/%d/%d'" s r g
b
3476 then dc.winw
, dc.winh
3478 match state.fullscreen
with
3480 | None
-> c.winw
, c.winh
3482 let zoom, presentation, interpagespace, showall
=
3484 then dc.zoom, dc.presentation, dc.interpagespace, dc.showall
3486 match state.mode with
3487 | Birdseye
(bc
, _
, _
, _
, _
) ->
3488 bc
.zoom, bc
.presentation, bc
.interpagespace, bc
.showall
3489 | _
-> c.zoom, c.presentation, c.interpagespace, c.showall
3491 oi
"width" w dc.winw
;
3492 oi
"height" h dc.winh
;
3493 oi
"scroll-bar-width" c.scrollw
dc.scrollw
;
3494 oi
"scroll-handle-height" c.scrollh
dc.scrollh
;
3495 ob "case-insensitive-search" c.icase
dc.icase
;
3496 ob "preload" c.preload dc.preload;
3497 oi
"page-bias" c.pagebias
dc.pagebias
;
3498 oi
"scroll-step" c.scrollstep
dc.scrollstep
;
3499 oi
"auto-scroll-step" c.autoscrollstep
dc.autoscrollstep
;
3500 ob "max-height-fit" c.maxhfit
dc.maxhfit
;
3501 ob "crop-hack" c.crophack
dc.crophack
;
3502 ob "throttle" showall
dc.showall
;
3503 ob "highlight-links" c.hlinks
dc.hlinks
;
3504 ob "under-cursor-info" c.underinfo
dc.underinfo
;
3505 oi
"vertical-margin" interpagespace dc.interpagespace;
3506 oz
"zoom" zoom dc.zoom;
3507 ob "presentation" presentation dc.presentation;
3508 oi
"rotation-angle" c.angle
dc.angle
;
3509 ob "persistent-bookmarks" c.savebmarks
dc.savebmarks
;
3510 ob "proportional-display" c.proportional
dc.proportional
;
3511 oi
"pixmap-cache-size" c.memlimit
dc.memlimit
;
3512 oi
"texcount" c.texcount
dc.texcount
;
3513 oi
"slice-height" c.sliceheight
dc.sliceheight
;
3514 oi
"thumbnail-width" c.thumbw
dc.thumbw
;
3515 ob "persistent-location" c.jumpback
dc.jumpback
;
3516 oc
"background-color" c.bgcolor
dc.bgcolor
;
3520 let bb = Buffer.create
32768 in
3522 let dc = if conf.bedefault
then conf else dc in
3523 Buffer.add_string
bb "<llppconfig>\n<defaults ";
3524 add_attrs bb true dc dc;
3525 Buffer.add_string
bb "/>\n";
3527 let adddoc path pan anchor c bookmarks =
3528 if bookmarks == [] && c = dc && anchor = emptyanchor
3531 Printf.bprintf
bb "<doc path='%s'"
3532 (enent
path 0 (String.length
path));
3534 if anchor <> emptyanchor
3536 let n, y = anchor in
3537 Printf.bprintf
bb " page='%d'" n;
3540 Printf.bprintf
bb " rely='%f'" y
3545 then Printf.bprintf
bb " pan='%d'" pan;
3547 add_attrs bb false dc c;
3549 begin match bookmarks with
3550 | [] -> Buffer.add_string
bb "/>\n"
3552 Buffer.add_string
bb ">\n<bookmarks>\n";
3553 List.iter
(fun (title, _level
, page, rely
) ->
3555 "<item title='%s' page='%d'"
3556 (enent
title 0 (String.length
title))
3561 Printf.bprintf
bb " rely='%f'" rely
3563 Buffer.add_string
bb "/>\n";
3565 Buffer.add_string
bb "</bookmarks>\n</doc>\n";
3571 match state.mode with
3572 | Birdseye
(_
, pan, _
, _
, _
) -> pan
3575 let basename = Filename.basename state.path in
3576 adddoc basename pan (getanchor ())
3579 if state.ascrollstep
> 0
3580 then state.ascrollstep
3581 else conf.autoscrollstep
}
3582 (if conf.savebmarks
then state.bookmarks else []);
3584 Hashtbl.iter
(fun path (c, bookmarks, x, y) ->
3586 then adddoc path x y c bookmarks
3588 Buffer.add_string
bb "</llppconfig>";
3591 if Buffer.length
bb > 0
3594 let tmp = path ^
".tmp" in
3595 let oc = open_out_bin
tmp in
3596 Buffer.output_buffer
oc bb;
3598 Sys.rename
tmp path;
3601 ("error while saving configuration: " ^
Printexc.to_string exn
)
3608 [("-p", Arg.String
(fun s -> state.password
<- s) , " Set password")
3609 ;("-v", Arg.Unit
(fun () -> print_endline
Help.version
; exit
0),
3610 " Print version and exit")]
3612 (fun s -> state.path <- s)
3613 ("Usage: " ^
Sys.argv
.(0) ^
" [options] some.pdf\nOptions:")
3615 if String.length
state.path = 0
3616 then (prerr_endline
"file name missing"; exit
1);
3620 let _ = Glut.init
Sys.argv
in
3621 let () = Glut.initDisplayMode ~depth
:false ~double_buffer
:true () in
3622 let () = Glut.initWindowSize
conf.winw
conf.winh
in
3623 let _ = Glut.createWindow
("llpp " ^
Filename.basename state.path) in
3626 if Sys.os_type
= "Unix"
3628 Unix.socketpair
Unix.PF_UNIX
Unix.SOCK_STREAM
0
3630 let addr = Unix.ADDR_INET
(Unix.inet_addr_loopback
, 1337) in
3631 let sock = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
3632 Unix.setsockopt
sock Unix.SO_REUSEADDR
true;
3633 Unix.bind
sock addr;
3635 let csock = Unix.socket
Unix.PF_INET
Unix.SOCK_STREAM
0 in
3636 Unix.connect
csock addr;
3637 let ssock, _ = Unix.accept
sock in
3640 Unix.setsockopt
sock Unix.TCP_NODELAY
true;
3641 Unix.setsockopt_optint
sock Unix.SO_LINGER None
;
3645 at_exit
(fun () -> Unix.shutdown
ssock Unix.SHUTDOWN_ALL
);
3649 let () = Glut.displayFunc
display in
3650 let () = Glut.reshapeFunc
reshape in
3651 let () = Glut.keyboardFunc
keyboard in
3652 let () = Glut.specialFunc
special in
3653 let () = Glut.idleFunc
(Some
idle) in
3654 let () = Glut.mouseFunc
mouse in
3655 let () = Glut.motionFunc
motion in
3656 let () = Glut.passiveMotionFunc
pmotion in
3658 init
ssock (conf.angle
, conf.proportional
, conf.texcount
, conf.sliceheight
);
3659 state.csock <- csock;
3660 state.ssock <- ssock;
3661 state.text <- "Opening " ^
state.path;
3662 writeopen state.path state.password
;
3666 let rec handlelablglutbug () =
3669 with Glut.BadEnum
"key in special_of_int" ->
3670 showtext '
!'
" LablGlut bug: special key not recognized";
3671 handlelablglutbug ()
3673 handlelablglutbug ();