8 | Ulinkgoto
of (int * int)
10 | Uunexpected
of string
13 | Uremote
of (string * int)
14 and facename
= string;;
16 type params
= (angle
* proportional
* trimparams
17 * texcount
* sliceheight
* memsize
18 * colorspace
* fontpath
* trimcachepath
28 and proportional
= bool
29 and trimmargins
= bool
30 and interpagespace
= int
37 and trimcachepath
= string
40 and irect
= (int * int * int * int)
41 and trimparams
= (trimmargins
* irect
)
42 and colorspace
= | Rgb
| Bgr
| Gray
50 and tileparams
= (x
* y
* width
* height
* tilex
* tiley
)
59 | LDfirstvisible
of (int * int * int)
74 | KMmulti
of key list
* key list
76 and keyhash
= (key
, keymap
) Hashtbl.t
79 | KSinto
of (key list
* key list
)
82 type platform
= | Punknown
| Plinux
| Posx
| Psun
| Pfreebsd
83 | Pdragonflybsd
| Popenbsd
| Pnetbsd
| Pcygwin
;;
85 type pipe
= (Unix.file_descr
* Unix.file_descr
);;
87 external init
: pipe
-> params
-> unit = "ml_init";;
88 external seltext
: string -> (int * int * int * int) -> unit = "ml_seltext";;
89 external copysel
: Unix.file_descr
-> opaque
-> unit = "ml_copysel";;
90 external getpdimrect
: int -> float array
= "ml_getpdimrect";;
91 external whatsunder
: string -> int -> int -> under
= "ml_whatsunder";;
92 external zoomforh
: int -> int -> int -> int -> float = "ml_zoom_for_height";;
93 external drawstr
: int -> int -> int -> string -> float = "ml_draw_string";;
94 external measurestr
: int -> string -> float = "ml_measure_string";;
95 external getmaxw
: unit -> float = "ml_getmaxw";;
96 external postprocess
:
97 opaque
-> int -> int -> int -> (int * string * int) -> int
99 external pagebbox
: opaque
-> (int * int * int * int) = "ml_getpagebox";;
100 external platform
: unit -> platform
= "ml_platform";;
101 external setaalevel
: int -> unit = "ml_setaalevel";;
102 external realloctexts
: int -> bool = "ml_realloctexts";;
103 external findlink
: opaque
-> linkdir
-> link
= "ml_findlink";;
104 external getlink
: opaque
-> int -> under
= "ml_getlink";;
105 external getlinkrect
: opaque
-> int -> irect
= "ml_getlinkrect";;
106 external getlinkcount
: opaque
-> int = "ml_getlinkcount";;
107 external findpwl
: int -> int -> pagewithlinks
= "ml_find_page_with_links"
108 external popen
: string -> (Unix.file_descr
* int) list
-> unit = "ml_popen";;
109 external getpbo
: width
-> height
-> colorspace
-> string = "ml_getpbo";;
110 external freepbo
: string -> unit = "ml_freepbo";;
111 external unmappbo
: string -> unit = "ml_unmappbo";;
112 external pbousable
: unit -> bool = "ml_pbo_usable";;
113 external unproject
: opaque
-> int -> int -> (int * int) option
115 external drawtile
: tileparams
-> opaque
-> unit = "ml_drawtile";;
117 let platform_to_string = function
118 | Punknown
-> "unknown"
122 | Pfreebsd
-> "FreeBSD"
123 | Pdragonflybsd
-> "DragonflyBSD"
124 | Popenbsd
-> "OpenBSD"
125 | Pnetbsd
-> "NetBSD"
126 | Pcygwin
-> "Cygwin"
129 let platform = platform ();;
131 let now = Unix.gettimeofday
;;
134 if platform = Pcygwin
136 let sh = "/bin/sh" in
137 let args = [|sh; "-c"; cmd
|] in
138 let rec std si so se
= function
140 | (fd
, 0) :: rest
-> std fd so se rest
141 | (fd
, -1) :: rest
->
142 Unix.set_close_on_exec fd
;
145 failwith
("unexpected fdn in cygwin popen " ^ string_of_int n
)
147 let si, so
, se
= std Unix.stdin
Unix.stdout
Unix.stderr fda
in
148 ignore
(Unix.create_process
sh args si so se
)
153 type mpos
= int * int
155 | Msel
of (mpos
* mpos
)
157 | Mscrolly
| Mscrollx
158 | Mzoom
of (int * int)
159 | Mzoomrect
of (mpos
* mpos
)
163 type textentry
= string * string * onhist
option * onkey
* ondone
* cancelonempty
164 and onkey
= string -> int -> te
165 and ondone
= string -> unit
166 and histcancel
= unit -> unit
167 and onhist
= ((histcmd
-> string) * histcancel
)
168 and histcmd
= HCnext
| HCprev
| HCfirst
| HClast
169 and cancelonempty
= bool
174 | TEswitch
of textentry
185 let bound v minv maxv
=
186 max minv
(min maxv v
);
190 { store
= Array.create n v
197 let cbcap b
= Array.length b
.store
;;
202 b
.wc
<- (b
.wc
+ 1) mod cap;
204 b
.len
<- min
(b
.len
+ 1) cap;
207 let cbempty b
= b
.len
= 0;;
209 let cbgetg b circular dir
=
213 let rc = b
.rc + dir
in
225 else bound rc 0 (b
.len
-1)
231 let cbget b
= cbgetg b
false;;
232 let cbgetc b
= cbgetg b
true;;
234 let drawstring size x y s
=
236 Gl.enable `texture_2d
;
237 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
238 ignore
(drawstr size x y s
);
240 Gl.disable `texture_2d
;
243 let drawstring1 size x y s
=
247 let drawstring2 size x y fmt
=
248 Printf.kprintf
(drawstring size
(x
+1) (y
+size
+1)) fmt
267 dolog
"l %d dim=%d {" l
.pageno l
.pagedimno
;
268 dolog
" WxH %dx%d" l
.pagew l
.pageh
;
269 dolog
" vWxH %dx%d" l
.pagevw l
.pagevh
;
270 dolog
" pagex,y %d,%d" l
.pagex l
.pagey
;
271 dolog
" dispx,y %d,%d" l
.pagedispx l
.pagedispy
;
272 dolog
" column %d" l
.pagecol
;
276 let debugrect (x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
) =
278 dolog
" x0,y0=(% f, % f)" x0 y0
;
279 dolog
" x1,y1=(% f, % f)" x1 y1
;
280 dolog
" x2,y2=(% f, % f)" x2 y2
;
281 dolog
" x3,y3=(% f, % f)" x3 y3
;
285 type multicolumns
= multicol
* pagegeom
286 and singlecolumn
= pagegeom
287 and splitcolumns
= columncount
* pagegeom
288 and pagegeom
= ((pdimno
* x
* y
* (pageno
* width
* height
* leftx
)) array
)
289 and multicol
= columncount
* covercount
* covercount
291 and columncount
= int
292 and covercount
= int;;
295 { mutable scrollbw
: int
296 ; mutable scrollh
: int
297 ; mutable icase
: bool
298 ; mutable preload
: bool
299 ; mutable pagebias
: int
300 ; mutable verbose
: bool
301 ; mutable debug
: bool
302 ; mutable scrollstep
: int
303 ; mutable hscrollstep
: int
304 ; mutable maxhfit
: bool
305 ; mutable crophack
: bool
306 ; mutable autoscrollstep
: int
307 ; mutable maxwait
: float option
308 ; mutable hlinks
: bool
309 ; mutable underinfo
: bool
310 ; mutable interpagespace
: interpagespace
311 ; mutable zoom
: float
312 ; mutable presentation
: bool
313 ; mutable angle
: angle
314 ; mutable cwinw
: int
315 ; mutable cwinh
: int
316 ; mutable savebmarks
: bool
317 ; mutable proportional
: proportional
318 ; mutable trimmargins
: trimmargins
319 ; mutable trimfuzz
: irect
320 ; mutable memlimit
: memsize
321 ; mutable texcount
: texcount
322 ; mutable sliceheight
: sliceheight
323 ; mutable thumbw
: width
324 ; mutable jumpback
: bool
325 ; mutable bgcolor
: float * float * float
326 ; mutable bedefault
: bool
327 ; mutable scrollbarinpm
: bool
328 ; mutable tilew
: int
329 ; mutable tileh
: int
330 ; mutable mustoresize
: memsize
331 ; mutable checkers
: bool
332 ; mutable aalevel
: int
333 ; mutable urilauncher
: string
334 ; mutable pathlauncher
: string
335 ; mutable colorspace
: colorspace
336 ; mutable invert
: bool
337 ; mutable colorscale
: float
338 ; mutable redirectstderr
: bool
339 ; mutable ghyllscroll
: (int * int * int) option
340 ; mutable columns
: columns
341 ; mutable beyecolumns
: columncount
option
342 ; mutable selcmd
: string
343 ; mutable updatecurs
: bool
344 ; mutable keyhashes
: (string * keyhash
) list
345 ; mutable hfsize
: int
346 ; mutable pgscale
: float
347 ; mutable usepbo
: bool
348 ; mutable wheelbypage
: bool
349 ; mutable stcmd
: string
352 | Csingle
of singlecolumn
353 | Cmulti
of multicolumns
354 | Csplit
of splitcolumns
357 type anchor
= pageno
* top
* dtop
;;
359 type outline
= string * int * anchor
;;
361 type rect
= float * float * float * float * float * float * float * float;;
363 type tile
= opaque
* pixmapsize
* elapsed
364 and elapsed
= float;;
365 type pagemapkey
= pageno
* gen
;;
366 type tilemapkey
= pageno
* gen
* colorspace
* angle
* width
* height
* col
* row
370 let emptyanchor = (0, 0.0, 0.0);;
372 type infochange
= | Memused
| Docinfo
| Pdim
;;
374 class type uioh
= object
375 method display
: unit
376 method key
: int -> int -> uioh
377 method button
: int -> bool -> int -> int -> int -> uioh
378 method motion
: int -> int -> uioh
379 method pmotion
: int -> int -> uioh
380 method infochanged
: infochange
-> unit
381 method scrollpw
: (int * float * float)
382 method scrollph
: (int * float * float)
383 method modehash
: keyhash
387 | Birdseye
of (conf
* leftx
* pageno
* pageno
* anchor
)
388 | Textentry
of (textentry
* onleave
)
390 | LinkNav
of linktarget
391 and onleave
= leavetextentrystatus
-> unit
392 and leavetextentrystatus
= | Cancel
| Confirm
393 and helpitem
= string * int * action
396 | Action
of (uioh
-> uioh
)
398 | Ltexact
of (pageno
* int)
402 let isbirdseye = function Birdseye _
-> true | _
-> false;;
403 let istextentry = function Textentry _
-> true | _
-> false;;
407 | Loading
of (page
* gen
)
409 page
* opaque
* colorspace
* angle
* gen
* col
* row
* width
* height
411 | Outlining
of outline list
414 let emptykeyhash = Hashtbl.create
0;;
415 let nouioh : uioh
= object (self
)
417 method key _ _
= self
418 method button _ _ _ _ _
= self
419 method motion _ _
= self
420 method pmotion _ _
= self
421 method infochanged _
= ()
422 method scrollpw
= (0, nan
, nan
)
423 method scrollph
= (0, nan
, nan
)
424 method modehash
= emptykeyhash
428 { mutable sr
: Unix.file_descr
429 ; mutable sw
: Unix.file_descr
430 ; mutable wsfd
: Unix.file_descr
431 ; mutable errfd
: Unix.file_descr
option
432 ; mutable stderr
: Unix.file_descr
433 ; mutable errmsgs
: Buffer.t
434 ; mutable newerrmsgs
: bool
438 ; mutable scrollw
: int
439 ; mutable hscrollh
: int
440 ; mutable anchor
: anchor
441 ; mutable ranchors
: (string * string * anchor
) list
443 ; mutable layout
: page list
444 ; pagemap
: (pagemapkey
, opaque
) Hashtbl.t
445 ; tilemap
: (tilemapkey
, tile
) Hashtbl.t
446 ; tilelru
: (tilemapkey
* opaque
* pixmapsize
) Queue.t
447 ; mutable pdims
: (pageno
* width
* height
* leftx
) list
448 ; mutable pagecount
: int
449 ; mutable currently
: currently
450 ; mutable mstate
: mstate
451 ; mutable searchpattern
: string
452 ; mutable rects
: (pageno
* recttype
* rect
) list
453 ; mutable rects1
: (pageno
* recttype
* rect
) list
454 ; mutable text
: string
455 ; mutable winstate
: Wsi.winstate list
456 ; mutable mode
: mode
457 ; mutable uioh
: uioh
458 ; mutable outlines
: outline array
459 ; mutable bookmarks
: outline list
460 ; mutable path
: string
461 ; mutable password
: string
462 ; mutable nameddest
: string
463 ; mutable geomcmds
: (string * ((string * (unit -> unit)) list
))
464 ; mutable memused
: memsize
466 ; mutable throttle
: (page list
* int * float) option
467 ; mutable autoscroll
: int option
468 ; mutable ghyll
: (int option -> unit)
469 ; mutable help
: helpitem array
470 ; mutable docinfo
: (int * string) list
471 ; mutable texid
: GlTex.texture_id
option
473 ; mutable prevzoom
: float
474 ; mutable progress
: float
475 ; mutable redisplay
: bool
476 ; mutable mpos
: mpos
477 ; mutable keystate
: keystate
478 ; mutable glinks
: bool
479 ; mutable prevcolumns
: (columns
* float) option
480 ; mutable wthack
: bool
483 ; mutable reprf
: (unit -> unit)
486 { pat
: string circbuf
487 ; pag
: string circbuf
488 ; nav
: anchor circbuf
489 ; sel
: string circbuf
511 ; presentation
= false
516 ; proportional
= true
517 ; trimmargins
= false
518 ; trimfuzz
= (0,0,0,0)
519 ; memlimit
= 32 lsl 20
524 ; bgcolor
= (0.5, 0.5, 0.5)
526 ; scrollbarinpm
= true
529 ; mustoresize
= 256 lsl 20
534 | Plinux
| Pfreebsd
| Pdragonflybsd
535 | Popenbsd
| Pnetbsd
| Psun
-> "xdg-open \"%s\""
536 | Posx
-> "open \"%s\""
537 | Pcygwin
-> "cygstart \"%s\""
538 | Punknown
-> "echo %s")
539 ; pathlauncher
= "lp \"%s\""
542 | Plinux
| Pfreebsd
| Pdragonflybsd
543 | Popenbsd
| Pnetbsd
| Psun
-> "xsel -i"
550 ; redirectstderr
= false
552 ; columns
= Csingle
[||]
558 ; wheelbypage
= false
559 ; stcmd
= "echo SyncTex"
561 let mk n
= (n
, Hashtbl.create
1) in
575 let wtmode = ref false;;
577 let findkeyhash c name
=
578 try List.assoc name c
.keyhashes
579 with Not_found
-> failwith
("invalid mode name `" ^ name ^
"'")
582 let conf = { defconf with angle
= defconf.angle
};;
584 let pgscale h
= truncate
(float h
*. conf.pgscale);;
587 { mutable fontsize
: int
588 ; mutable wwidth
: float
589 ; mutable maxrows
: int
601 let colonpos = try String.index s '
:'
with Not_found
-> -1 in
602 let len = String.length s
in
603 if colonpos >= 0 && colonpos + 3 < len
605 if s
.[colonpos+1] = '
/'
&& s
.[colonpos+2] = '
/'
608 try String.rindex_from s
colonpos ' '
612 String.sub s
(schemestartpos+1) (colonpos-1-schemestartpos)
615 | "http" | "ftp" | "mailto" ->
617 try String.index_from s
colonpos ' '
618 with Not_found
-> len
620 String.sub s
(schemestartpos+1) (epos-1-schemestartpos)
628 if String.length
conf.urilauncher
= 0
629 then print_endline uri
631 let url = geturl uri
in
632 if String.length
url = 0
633 then print_endline uri
635 let re = Str.regexp
"%s" in
636 let command = Str.global_replace
re url conf.urilauncher
in
640 "failed to execute `%s': %s\n" command (exntos exn
);
646 Printf.sprintf
"llpp version %s (%s/%dbit, ocaml %s)" Help.version
647 (platform_to_string platform) Sys.word_size
Sys.ocaml_version
651 let strings = version () :: "" :: Help.keys
in
654 let url = geturl s
in
655 if String.length
url > 0
656 then (s
, 0, Action
(fun u
-> gotouri url; u
))
657 else (s
, 0, Noaction
)
662 let firstgeomcmds = "", [];;
663 let noreprf () = ();;
670 ; stderr
= Unix.stderr
671 ; errmsgs
= Buffer.create
0
678 ; anchor
= emptyanchor
682 ; tilelru
= Queue.create
()
683 ; pagemap
= Hashtbl.create
10
684 ; tilemap
= Hashtbl.create
10
700 ; geomcmds
= firstgeomcmds
702 { nav
= cbnew 10 emptyanchor
731 fstate.fontsize
<- n
;
732 fstate.wwidth
<- measurestr
fstate.fontsize
"w";
733 fstate.maxrows
<- (state.winh
- fstate.fontsize
- 1) / (fstate.fontsize
+ 1);
739 Printf.kprintf prerr_endline fmt
741 Printf.kprintf ignore fmt
745 if String.length
conf.pathlauncher
= 0
746 then print_endline
state.path
748 let re = Str.regexp
"%s" in
749 let command = Str.global_replace
re state.path
conf.pathlauncher
in
752 Printf.eprintf
"failed to execute `%s': %s\n" command (exntos exn
);
758 type 'a t
= | Res
of 'a
| Exn
of exn
;;
761 try Res
(Unix.pipe ())
766 try tempfailureretry
Unix.close fd
767 with exn
-> f
(exntos exn
)
771 try Res
(tempfailureretry
Unix.dup fd
)
776 try Res
(tempfailureretry
(Unix.dup2 fd1
) fd2
)
781 let redirectstderr () =
782 let clofail what errmsg
= dolog
"failed to close %s: %s" what errmsg
in
783 if conf.redirectstderr
785 match Ne.pipe () with
787 dolog
"failed to create stderr redirection pipes: %s" (exntos exn
)
790 begin match Ne.dup Unix.stderr
with
792 dolog
"failed to dup stderr: %s" (exntos exn
);
793 Ne.clo r
(clofail "pipe/r");
794 Ne.clo w
(clofail "pipe/w");
796 | Ne.Res dupstderr
->
797 begin match Ne.dup2 w
Unix.stderr
with
799 dolog
"failed to dup2 to stderr: %s" (exntos exn
);
800 Ne.clo dupstderr
(clofail "stderr duplicate");
801 Ne.clo r
(clofail "redir pipe/r");
802 Ne.clo w
(clofail "redir pipe/w");
805 state.stderr
<- dupstderr
;
806 state.errfd
<- Some r
;
810 state.newerrmsgs
<- false;
811 begin match state.errfd
with
813 begin match Ne.dup2 state.stderr
Unix.stderr
with
815 dolog
"failed to dup2 original stderr: %s" (exntos exn
)
817 Ne.clo fd
(clofail "dup of stderr");
822 prerr_string
(Buffer.contents
state.errmsgs
);
824 Buffer.clear
state.errmsgs
;
830 let postRedisplay who
=
832 then prerr_endline
("redisplay for " ^ who
);
833 state.redisplay
<- true;
837 let getopaque pageno
=
838 try Some
(Hashtbl.find
state.pagemap
(pageno
, state.gen
))
839 with Not_found
-> None
842 let putopaque pageno opaque
=
843 Hashtbl.replace
state.pagemap
(pageno
, state.gen
) opaque
846 let pagetranslatepoint l x y
=
847 let dy = y
- l
.pagedispy
in
848 let y = dy + l
.pagey
in
849 let dx = x
- l
.pagedispx
in
850 let x = dx + l
.pagex
in
854 let onppundermouse g
x y d
=
857 begin match getopaque l
.pageno
with
859 let x0 = l
.pagedispx
in
860 let x1 = x0 + l
.pagevw
in
861 let y0 = l
.pagedispy
in
862 let y1 = y0 + l
.pagevh
in
863 if y >= y0 && y <= y1 && x >= x0 && x <= x1
865 let px, py
= pagetranslatepoint l
x y in
866 match g opaque l
px py
with
879 let g opaque _
px py
=
880 match whatsunder opaque
px py
with
882 | under
-> Some under
884 onppundermouse g x y Unone
889 match unproject opaque
x y with
890 | Some
(x, y) -> Some
(Some
(l
.pageno
, x, y))
893 onppundermouse g x y None
;
897 state.text
<- Printf.sprintf
"%c%s" c s
;
898 G.postRedisplay "showtext";
901 let undertext = function
904 | Ulinkgoto
(pageno
, _
) -> Printf.sprintf
"%s: page %d" state.path
(pageno
+1)
905 | Utext s
-> "font: " ^ s
906 | Uunexpected s
-> "unexpected: " ^ s
907 | Ulaunch s
-> "launch: " ^ s
908 | Unamed s
-> "named: " ^ s
909 | Uremote
(filename
, pageno
) ->
910 Printf.sprintf
"%s: page %d" filename
(pageno
+1)
913 let updateunder x y =
914 match getunder x y with
915 | Unone
-> Wsi.setcursor
Wsi.CURSOR_INHERIT
917 if conf.underinfo
then showtext 'u'
("ri: " ^ uri
);
918 Wsi.setcursor
Wsi.CURSOR_INFO
919 | Ulinkgoto
(pageno
, _
) ->
921 then showtext 'p'
("age: " ^ string_of_int
(pageno
+1));
922 Wsi.setcursor
Wsi.CURSOR_INFO
924 if conf.underinfo
then showtext '
f'
("ont: " ^ s
);
925 Wsi.setcursor
Wsi.CURSOR_TEXT
927 if conf.underinfo
then showtext 'u'
("nexpected: " ^ s
);
928 Wsi.setcursor
Wsi.CURSOR_INHERIT
930 if conf.underinfo
then showtext 'l'
("aunch: " ^ s
);
931 Wsi.setcursor
Wsi.CURSOR_INHERIT
933 if conf.underinfo
then showtext 'n'
("amed: " ^ s
);
934 Wsi.setcursor
Wsi.CURSOR_INHERIT
935 | Uremote
(filename
, pageno
) ->
936 if conf.underinfo
then showtext 'r'
937 (Printf.sprintf
"emote: %s (%d)" filename
(pageno
+1));
938 Wsi.setcursor
Wsi.CURSOR_INFO
941 let showlinktype under
=
947 let s = undertext under
in
952 let b = Buffer.create
(String.length
s + 1) in
953 Buffer.add_string
b s;
958 let colorspace_of_string s =
959 match String.lowercase
s with
963 | _
-> failwith
"invalid colorspace"
966 let int_of_colorspace = function
972 let colorspace_of_int = function
976 | n
-> failwith
("invalid colorspace index " ^ string_of_int n
)
979 let colorspace_to_string = function
985 let intentry_with_suffix text key
=
987 if key
>= 32 && key
< 127
991 match Char.lowercase
c with
993 let text = addchar text c in
997 let text = addchar text c in
1001 state.text <- Printf.sprintf
"invalid char (%d, `%c')" key
c;
1005 let multicolumns_to_string (n
, a
, b) =
1007 then Printf.sprintf
"%d" n
1008 else Printf.sprintf
"%d,%d,%d" n a
b;
1011 let multicolumns_of_string s =
1013 (int_of_string
s, 0, 0)
1015 Scanf.sscanf
s "%u,%u,%u" (fun n a
b ->
1017 then failwith
"subtly broken"; (n
, a
, b)
1023 let n = tempfailureretry
(Unix.read fd
s 0) 4 in
1024 if n != 4 then failwith
"incomplete read(len)";
1026 lor (Char.code
s.[0] lsl 24)
1027 lor (Char.code
s.[1] lsl 16)
1028 lor (Char.code
s.[2] lsl 8)
1029 lor (Char.code
s.[3] lsl 0)
1031 let s = String.create
len in
1032 let n = tempfailureretry
(Unix.read fd
s 0) len in
1033 if n != len then failwith
"incomplete read(data)";
1037 let btod b = if b then 1 else 0;;
1040 let b = Buffer.create
16 in
1041 Buffer.add_string
b "llll";
1044 let s = Buffer.contents
b in
1045 let n = String.length
s in
1047 (* dolog "wcmd %S" (String.sub s 4 len); *)
1048 s.[0] <- Char.chr
((len lsr 24) land 0xff);
1049 s.[1] <- Char.chr
((len lsr 16) land 0xff);
1050 s.[2] <- Char.chr
((len lsr 8) land 0xff);
1051 s.[3] <- Char.chr
(len land 0xff);
1052 let n'
= tempfailureretry
(Unix.write
state.sw
s 0) n in
1053 if n'
!= n then failwith
"write failed";
1058 let d = state.winh
- h
in
1059 max
conf.interpagespace
((d + 1) / 2)
1062 let rowyh (c, coverA
, coverB
) b n =
1063 if c = 1 || (n < coverA
|| n >= state.pagecount
- coverB
)
1065 let _, _, vy
, (_, _, h
, _) = b.(n) in
1068 let n'
= n - coverA
in
1071 let e = min
state.pagecount
(s + c) in
1072 let rec find m miny maxh
= if m
= e then miny
, maxh
else
1073 let _, _, y, (_, _, h
, _) = b.(m
) in
1074 let miny = min
miny y in
1075 let maxh = max
maxh h
in
1076 find (m
+1) miny maxh
1081 match conf.columns
with
1082 | Cmulti
((_, _, _) as cl
, b) ->
1083 if Array.length
b > 0
1085 let y, h
= rowyh cl
b (Array.length
b - 1) in
1086 y + h
+ (if conf.presentation
then calcips h
else 0)
1089 if Array.length
b > 0
1091 let (_, _, y, (_, _, h
, _)) = b.(Array.length
b - 1) in
1092 y + h
+ (if conf.presentation
then calcips h
else 0)
1095 if Array.length
b > 0
1097 let (_, _, y, (_, _, h
, _)) = b.(Array.length
b - 1) in
1102 let getpageyh pageno
=
1103 let pageno = bound pageno 0 (state.pagecount
-1) in
1104 match conf.columns
with
1106 if Array.length
b = 0
1109 let (_, _, y, (_, _, h
, _)) = b.(pageno) in
1111 if conf.presentation
1117 if Array.length
b = 0
1120 let y, h
= rowyh cl
b pageno in
1122 if conf.presentation
1128 if Array.length
b = 0
1132 let (_, _, y, (_, _, h
, _)) = b.(n) in
1136 let getpagedim pageno =
1139 | (n, _, _, _) as pdim
:: rest
->
1141 then (if n = pageno then pdim
else ppdim
)
1146 f (-1, -1, -1, -1) state.pdims
1149 let getpagey pageno = fst
(getpageyh pageno);;
1151 let nogeomcmds cmds
=
1153 | s, [] -> String.length
s = 0
1158 let ((c, coverA
, coverB
) as cl
), b =
1159 match conf.columns
with
1160 | Csingle
b -> (1, 0, 0), b
1161 | Cmulti
(c, b) -> c, b
1162 | Csplit
(_, b) -> (1, 0, 0), b
1164 if Array.length
b = 0
1167 let rec bsearch nmin nmax
=
1169 then bound nmin
0 (state.pagecount
-1)
1171 let n = (nmax
+ nmin
) / 2 in
1172 let vy, h
= rowyh cl
b n in
1174 if conf.presentation
1176 let ips = calcips h
in
1177 let y0 = vy - ips in
1178 let y1 = vy + h
+ ips in
1182 then 0, vy + h
+ conf.interpagespace
1184 let y0 = vy - conf.interpagespace
in
1185 y0, y0 + h
+ conf.interpagespace
1188 if y >= y0 && y < y1
1195 if n < state.pagecount
- coverB
1196 then ((n-coverA
)/c)*c + coverA
1203 then bsearch (n+1) nmax
1204 else bsearch nmin
(n-1)
1207 let r = bsearch 0 (state.pagecount
-1) in
1211 let layoutN ((columns
, coverA
, coverB
), b) y sh =
1212 let sh = sh - state.hscrollh
in
1213 let rec fold accu
n =
1214 if n = Array.length
b
1217 let pdimno, dx, vy, (_, w
, h
, xoff
) = b.(n) in
1220 || n = state.pagecount
- coverB
1221 || (n - coverA
) mod columns
= columns
- 1)
1227 let pagey = max
0 (y - vy) in
1228 let pagedispy = if pagey > 0 then 0 else vy - y in
1229 let pagedispx, pagex
=
1231 if n = coverA
- 1 || n = state.pagecount
- coverB
1232 then state.x + (state.winw
- state.scrollw
- w
) / 2
1233 else dx + xoff
+ state.x
1240 let vw = state.winw
- state.scrollw
- pagedispx in
1241 let pw = w
- pagex
in
1244 let pagevh = min
(h
- pagey) (sh - pagedispy) in
1245 if pagevw > 0 && pagevh > 0
1249 ; pagedimno
= pdimno
1256 ; pagedispx = pagedispx
1257 ; pagedispy = pagedispy
1269 List.rev
(fold [] (page_of_y y));
1272 let layoutS (columns
, b) y sh =
1273 let sh = sh - state.hscrollh
in
1274 let rec fold accu n =
1275 if n = Array.length
b
1278 let pdimno, px, vy, (_, pagew
, pageh
, xoff
) = b.(n) in
1285 let x = xoff
+ state.x in
1286 let pagey = max
0 (y - vy) in
1287 let pagedispy = if pagey > 0 then 0 else vy - y in
1288 let pagedispx, pagex
=
1302 let pagecolw = pagew
/columns
in
1304 if pagecolw < state.winw
1305 then pagedispx + ((state.winw
- state.scrollw
- pagecolw) / 2)
1309 let vw = state.winw
- pagedispx - state.scrollw
in
1310 let pw = pagew
- pagex
in
1313 let pagevw = min
pagevw pagecolw in
1314 let pagevh = min
(pageh
- pagey) (sh - pagedispy) in
1315 if pagevw > 0 && pagevh > 0
1318 { pageno = n/columns
1319 ; pagedimno
= pdimno
1326 ; pagedispx = pagedispx
1327 ; pagedispy = pagedispy
1328 ; pagecol
= n mod columns
1339 List.rev
(fold [] 0)
1343 if nogeomcmds state.geomcmds
1345 match conf.columns
with
1346 | Csingle
b -> layoutN ((1, 0, 0), b) y sh
1347 | Cmulti
c -> layoutN c y sh
1348 | Csplit
s -> layoutS s y sh
1353 let y = state.y + incr
in
1355 let y = min
y (state.maxy
- (if conf.maxhfit
then state.winh
else 0)) in
1360 let tilex = l
.pagex
mod conf.tilew
in
1361 let tiley = l
.pagey mod conf.tileh
in
1363 let col = l
.pagex
/ conf.tilew
in
1364 let row = l
.pagey / conf.tileh
in
1366 let rec rowloop row y0 dispy h
=
1370 let dh = conf.tileh
- y0 in
1371 let dh = min h
dh in
1372 let rec colloop col x0 dispx w
=
1376 let dw = conf.tilew
- x0 in
1377 let dw = min w
dw in
1379 f col row dispx dispy
x0 y0 dw dh;
1380 colloop (col+1) 0 (dispx
+dw) (w
-dw)
1383 colloop col tilex l
.pagedispx l
.pagevw;
1384 rowloop (row+1) 0 (dispy
+dh) (h
-dh)
1387 if l
.pagevw > 0 && l
.pagevh > 0
1388 then rowloop row tiley l
.pagedispy l
.pagevh;
1391 let gettileopaque l
col row =
1393 l
.pageno, state.gen
, conf.colorspace
, conf.angle
, l
.pagew
, l
.pageh
, col, row
1395 try Some
(Hashtbl.find state.tilemap
key)
1396 with Not_found
-> None
1399 let puttileopaque l
col row gen colorspace angle opaque size elapsed
=
1400 let key = l
.pageno, gen
, colorspace
, angle
, l
.pagew
, l
.pageh
, col, row in
1401 Hashtbl.add
state.tilemap
key (opaque
, size
, elapsed
)
1404 let drawtiles l color
=
1406 let f col row x y tilex tiley w h
=
1407 match gettileopaque l
col row with
1408 | Some
(opaque
, _, t
) ->
1409 let params = x, y, w
, h
, tilex, tiley in
1413 GlFunc.blend_func `zero `one_minus_src_color
;
1415 drawtile
params opaque
;
1417 then Gl.disable `blend
;
1420 let s = Printf.sprintf
1424 let w = measurestr
fstate.fontsize
s in
1425 GlMisc.push_attrib
[`current
];
1426 GlDraw.color
(0.0, 0.0, 0.0);
1428 (float (x-2), float (y-2))
1429 (float (x+2) +. w, float (y + fstate.fontsize
+ 2));
1430 GlDraw.color
(1.0, 1.0, 1.0);
1431 drawstring fstate.fontsize
x (y + fstate.fontsize
- 1) s;
1432 GlMisc.pop_attrib
();
1437 let lw = state.winw
- state.scrollw
- x in
1440 let lh = state.winh
- y in
1443 begin match state.texid
with
1445 Gl.enable `texture_2d
;
1446 GlTex.bind_texture `texture_2d id
;
1449 and x1 = float (x+w)
1450 and y1 = float (y+h
) in
1452 let tw = float w /. 16.0
1453 and th
= float h
/. 16.0 in
1454 let tx0 = float tilex /. 16.0
1455 and ty0
= float tiley /. 16.0 in
1457 and ty1
= ty0
+. th
in
1458 GlDraw.begins `quads
;
1459 GlTex.coord2
(tx0, ty0
); GlDraw.vertex2
(x0, y0);
1460 GlTex.coord2
(tx0, ty1
); GlDraw.vertex2
(x0, y1);
1461 GlTex.coord2
(tx1, ty1
); GlDraw.vertex2
(x1, y1);
1462 GlTex.coord2
(tx1, ty0
); GlDraw.vertex2
(x1, y0);
1465 Gl.disable `texture_2d
;
1467 GlDraw.color
(1.0, 1.0, 1.0);
1470 (float (x+w), float (y+h
));
1472 if w > 128 && h
> fstate.fontsize
+ 10
1474 GlDraw.color
(0.0, 0.0, 0.0);
1477 then (col*conf.tilew
, row*conf.tileh
)
1480 drawstring2 fstate.fontsize
x y "Loading %d [%d,%d]" l
.pageno c r;
1487 let pagevisible layout n = List.exists
(fun l
-> l
.pageno = n) layout;;
1489 let tilevisible1 l
x y =
1491 and ax1
= l
.pagex
+ l
.pagevw
1493 and ay1
= l
.pagey + l
.pagevh in
1497 let bx1 = min
(bx0 + conf.tilew
) l
.pagew
1498 and by1
= min
(by0
+ conf.tileh
) l
.pageh
in
1500 let rx0 = max
ax0 bx0
1501 and ry0
= max ay0 by0
1502 and rx1
= min ax1
bx1
1503 and ry1
= min ay1 by1
in
1505 let nonemptyintersection = rx1
> rx0 && ry1
> ry0
in
1506 nonemptyintersection
1509 let tilevisible layout n x y =
1510 let rec findpageinlayout m
= function
1511 | l
:: rest
when l
.pageno = n ->
1512 tilevisible1 l
x y || (
1513 match conf.columns
with
1514 | Csplit
(c, _) when c > m
-> findpageinlayout (m
+1) rest
1517 | _ :: rest
-> findpageinlayout 0 rest
1520 findpageinlayout 0 layout;
1523 let tileready l
x y =
1524 tilevisible1 l
x y &&
1525 gettileopaque l
(x/conf.tilew
) (y/conf.tileh
) != None
1528 let tilepage n p
layout =
1529 let rec loop = function
1533 let f col row _ _ _ _ _ _ =
1534 if state.currently
= Idle
1536 match gettileopaque l
col row with
1539 let x = col*conf.tilew
1540 and y = row*conf.tileh
in
1542 let w = l
.pagew
- x in
1546 let h = l
.pageh
- y in
1551 then getpbo
w h conf.colorspace
1554 wcmd "tile %s %d %d %d %d %s" p
x y w h pbo;
1557 l
, p
, conf.colorspace
, conf.angle
, state.gen
, col, row,
1558 conf.tilew
, conf.tileh
1567 if nogeomcmds state.geomcmds
1571 let preloadlayout y =
1572 let y = if y < state.winh
then 0 else y - state.winh
in
1573 let h = state.winh
*3 in
1578 let rec loop pages
=
1579 if state.currently
!= Idle
1584 begin match getopaque l
.pageno with
1586 wcmd "page %d %d" l
.pageno l
.pagedimno
;
1587 state.currently
<- Loading
(l
, state.gen
);
1589 tilepage l
.pageno opaque pages
;
1594 if nogeomcmds state.geomcmds
1600 if conf.preload && state.currently
= Idle
1601 then load (preloadlayout state.y);
1604 let layoutready layout =
1605 let rec fold all ls
=
1606 all
&& match ls
with
1608 let seen = ref false in
1609 let allvisible = ref true in
1610 let foo col row _ _ _ _ _ _ =
1612 allvisible := !allvisible &&
1613 begin match gettileopaque l
col row with
1619 fold (!seen && !allvisible) rest
1622 let alltilesvisible = fold true layout in
1627 state.wthack
<- false;
1628 let y = bound y 0 state.maxy
in
1629 let y, layout, proceed
=
1630 match conf.maxwait
with
1631 | Some time
when state.ghyll
== noghyll ->
1632 begin match state.throttle
with
1634 let layout = layout y state.winh
in
1635 let ready = layoutready layout in
1639 state.throttle
<- Some
(layout, y, now ());
1641 else G.postRedisplay "gotoy showall (None)";
1643 | Some
(_, _, started
) ->
1644 let dt = now () -. started
in
1647 state.throttle
<- None
;
1648 let layout = layout y state.winh
in
1650 G.postRedisplay "maxwait";
1657 let layout = layout y state.winh
in
1658 G.postRedisplay "gotoy ready";
1664 state.layout <- layout;
1665 begin match state.mode
with
1666 | LinkNav
(Ltexact
(pageno, linkno
)) ->
1667 let rec loop = function
1669 state.mode
<- LinkNav
(Ltgendir
0)
1670 | l
:: _ when l
.pageno = pageno ->
1671 begin match getopaque pageno with
1673 state.mode
<- LinkNav
(Ltgendir
0)
1675 let x0, y0, x1, y1 = getlinkrect opaque linkno
in
1676 if not
(x0 >= l
.pagex
&& x1 <= l
.pagex
+ l
.pagevw
1677 && y0 >= l
.pagey && y1 <= l
.pagey + l
.pagevh)
1678 then state.mode
<- LinkNav
(Ltgendir
0)
1680 | _ :: rest
-> loop rest
1685 begin match state.mode
with
1686 | Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor
) ->
1687 if not
(pagevisible layout pageno)
1689 match state.layout with
1692 state.mode
<- Birdseye
(
1693 conf, leftx
, l
.pageno, hooverpageno
, anchor
1696 | LinkNav
(Ltgendir dir
as lt
) ->
1698 let rec loop = function
1701 match getopaque l
.pageno with
1707 then LDfirstvisible
(l
.pagex
, l
.pagey, dir
)
1709 if dir
> 0 then LDfirst
else LDlast
1715 | Lnotfound
-> loop rest
1717 showlinktype (getlink opaque
n);
1718 Ltexact
(l
.pageno, n)
1722 state.mode
<- LinkNav
linknav
1727 state.ghyll
<- noghyll;
1730 let mx, my
= state.mpos
in
1735 let conttiling pageno opaque
=
1736 tilepage pageno opaque
1737 (if conf.preload then preloadlayout state.y else state.layout)
1740 let gotoy_and_clear_text y =
1741 if not
conf.verbose
then state.text <- "";
1747 let coloff = l
.pagecol
* l
.pageh
in
1748 float (l
.pagey + coloff) /. float l
.pageh
1755 if conf.presentation
1756 then float l
.pagedispy /. float (calcips l
.pageh
)
1757 else float l
.pagedispy /. float conf.interpagespace
1759 (l
.pageno, top, dtop)
1763 match state.layout with
1764 | l
:: _ -> getanchor1 l
1766 let n = page_of_y state.y in
1770 let y, h = getpageyh n in
1771 let dy = y - state.y in
1773 if conf.presentation
1775 let ips = calcips h in
1776 float (dy + ips) /. float ips
1778 float dy /. float conf.interpagespace
1783 let getanchory (n, top, dtop) =
1784 let y, h = getpageyh n in
1785 if conf.presentation
1787 let ips = calcips h in
1788 y + truncate
(top*.float h -. dtop*.float ips) + ips;
1790 y + truncate
(top*.float h -. dtop*.float conf.interpagespace
)
1793 let gotoanchor anchor
=
1794 gotoy (getanchory anchor
);
1798 cbput state.hists
.nav
(getanchor ());
1802 let anchor = cbgetc state.hists
.nav dir
in
1807 let scroll f n a
b =
1808 (* http://devmaster.net/forums/topic/9796-ease-in-ease-out-algorithm/ *)
1810 let s x = 3.0*.x**2.0 -. 2.0*.x**3.0 in
1812 then s (float f /. float a
)
1815 then 1.0 -. s ((float (f-b) /. float (n-b)))
1822 http://integrals.wolfram.com/index.jsp?expr=3x%5E2-2x%5E3&random=false *)
1823 let iv x = -.((-.2.0 +. x)*.x**3.0)/.2.0 in
1825 let ins = float a
*. iv1
1826 and outs
= float (n-b) *. iv1 in
1828 ins +. outs
+. float ones
1830 let rec set (_N
, _A
, _B
) y sy
=
1831 let sum = summa
1.0 _N _A _B
in
1832 let dy = float (y - sy
) in
1836 then state.ghyll
<- noghyll
1839 let s = scroll n _N _A _B
in
1840 let y1 = y1 +. ((s *. dy) /. sum) in
1841 gotoy_and_clear_text (truncate
y1);
1842 state.ghyll
<- gf (n+1) y1;
1846 | Some
y'
-> set (_N
/2, 1, 1) y'
state.y
1848 gf 0 (float state.y)
1851 match conf.ghyllscroll
with
1853 gotoy_and_clear_text y
1855 if state.ghyll
== noghyll
1856 then set nab
y state.y
1857 else state.ghyll
(Some
y)
1860 let gotopage n top =
1861 let y, h = getpageyh n in
1862 let y = y + (truncate
(top *. float h)) in
1866 let gotopage1 n top =
1867 let y = getpagey n in
1872 let invalidate s f =
1877 match state.geomcmds
with
1878 | ps
, [] when String.length ps
= 0 ->
1880 state.geomcmds
<- s, [];
1883 state.geomcmds
<- ps
, [s, f];
1885 | ps
, (s'
, _) :: rest
when s'
= s ->
1886 state.geomcmds
<- ps
, ((s, f) :: rest
);
1889 state.geomcmds
<- ps
, ((s, f) :: cmds
);
1893 Hashtbl.iter
(fun _ opaque
->
1894 wcmd "freepage %s" opaque
;
1896 Hashtbl.clear
state.pagemap
;
1900 if not
(Queue.is_empty
state.tilelru
)
1902 Queue.iter
(fun (k
, p
, s) ->
1903 wcmd "freetile %s" p
;
1904 state.memused
<- state.memused
- s;
1905 Hashtbl.remove
state.tilemap k
;
1907 state.uioh#infochanged Memused
;
1908 Queue.clear
state.tilelru
;
1913 let opendoc path password
=
1915 state.password
<- password
;
1916 state.gen
<- state.gen
+ 1;
1917 state.docinfo
<- [];
1920 setaalevel
conf.aalevel
;
1921 Wsi.settitle
("llpp " ^
(mbtoutf8
(Filename.basename path
)));
1922 wcmd "open %d %s\000%s\000" (btod state.wthack
) path password
;
1923 invalidate "reqlayout"
1925 wcmd "reqlayout %d %d %s\000"
1926 conf.angle
(btod conf.proportional
) state.nameddest
;
1931 state.anchor <- getanchor ();
1932 state.wthack
<- !wtmode;
1933 opendoc state.path
state.password
;
1937 let c = c *. conf.colorscale
in
1941 let scalecolor2 (r, g, b) =
1942 (r *. conf.colorscale
, g *. conf.colorscale
, b *. conf.colorscale
);
1945 let docolumns = function
1947 let a = Array.make
state.pagecount
(-1, -1, -1, (-1, -1, -1, -1)) in
1948 let rec loop pageno pdimno pdim
y ph pdims
=
1949 if pageno = state.pagecount
1952 let pdimno, ((_, w, h, xoff
) as pdim
), pdims
=
1954 | ((pageno'
, _, _, _) as pdim
) :: rest
when pageno'
= pageno ->
1955 pdimno+1, pdim
, rest
1959 let x = max
0 (((state.winw
- state.scrollw
- w) / 2) - xoff
) in
1961 (if conf.presentation
1962 then (if pageno = 0 then calcips h else calcips ph
+ calcips h)
1963 else (if pageno = 0 then 0 else conf.interpagespace
)
1966 a.(pageno) <- (pdimno, x, y, pdim
);
1967 loop (pageno+1) pdimno pdim
(y + h) h pdims
1969 loop 0 ~
-1 (-1,-1,-1,-1) 0 0 state.pdims
;
1970 conf.columns
<- Csingle
a;
1972 | Cmulti
((columns
, coverA
, coverB
), _) ->
1973 let a = Array.make
state.pagecount
(-1, -1, -1, (-1, -1, -1, -1)) in
1974 let rec loop pageno pdimno pdim
x y rowh pdims
=
1975 let rec fixrow m
= if m
= pageno then () else
1976 let (pdimno, x, y, ((_, _, h, _) as pdim
)) = a.(m
) in
1979 let y = y + (rowh
- h) / 2 in
1980 a.(m
) <- (pdimno, x, y, pdim
);
1984 if pageno = state.pagecount
1985 then fixrow (((pageno - 1) / columns
) * columns
)
1987 let pdimno, ((_, w, h, xoff
) as pdim
), pdims
=
1989 | ((pageno'
, _, _, _) as pdim
) :: rest
when pageno'
= pageno ->
1990 pdimno+1, pdim
, rest
1995 if pageno = coverA
- 1 || pageno = state.pagecount
- coverB
1997 let x = (state.winw
- state.scrollw
- w) / 2 in
1999 if conf.presentation
then calcips h else conf.interpagespace
in
2000 x, y + ips + rowh
, h
2003 if (pageno - coverA
) mod columns
= 0
2005 let x = max
0 (state.winw
- state.scrollw
- state.w) / 2 in
2007 if conf.presentation
2009 let ips = calcips h in
2010 y + (if pageno = 0 then 0 else calcips rowh
+ ips)
2012 y + (if pageno = 0 then 0 else conf.interpagespace
)
2016 else x, y, max rowh
h
2020 if pageno > 1 && (pageno - coverA
) mod columns
= 0
2023 if pageno = columns
&& conf.presentation
2025 let ips = calcips rowh
in
2026 for i
= 0 to pred columns
2028 let (pdimno, x, y, pdim
) = a.(i
) in
2029 a.(i
) <- (pdimno, x, y+ips, pdim
)
2035 fixrow (pageno - columns
);
2040 a.(pageno) <- (pdimno, x, y, pdim
);
2041 let x = x + w + xoff
*2 + conf.interpagespace
in
2042 loop (pageno+1) pdimno pdim
x y rowh' pdims
2044 loop 0 ~
-1 (-1,-1,-1,-1) 0 0 0 state.pdims
;
2045 conf.columns
<- Cmulti
((columns
, coverA
, coverB
), a);
2048 let a = Array.make
(state.pagecount
*c) (-1, -1, -1, (-1, -1, -1, -1)) in
2049 let rec loop pageno pdimno pdim
y pdims
=
2050 if pageno = state.pagecount
2053 let pdimno, ((_, w, h, _) as pdim
), pdims
=
2055 | ((pageno'
, _, _, _) as pdim
) :: rest
when pageno'
= pageno ->
2056 pdimno+1, pdim
, rest
2061 let rec loop1 n x y =
2062 if n = c then y else (
2063 a.(pageno*c + n) <- (pdimno, x, y, pdim
);
2064 loop1 (n+1) (x+cw) (y + h + conf.interpagespace
)
2067 let y = loop1 0 0 y in
2068 loop (pageno+1) pdimno pdim
y pdims
2070 loop 0 ~
-1 (-1,-1,-1,-1) 0 state.pdims
;
2071 conf.columns
<- Csplit
(c, a);
2075 docolumns conf.columns
;
2076 state.maxy
<- calcheight ();
2078 if state.x = 0 && state.w <= state.winw
- state.scrollw
2082 if state.reprf
== noreprf
2084 match state.mode
with
2085 | Birdseye
(_, _, pageno, _, _) ->
2086 let y, h = getpageyh pageno in
2087 let top = (state.winh
- h) / 2 in
2088 gotoy (max
0 (y - top))
2089 | _ -> gotoanchor state.anchor
2093 state.reprf
<- noreprf;
2098 state.wthack
<- false;
2099 GlDraw.viewport
0 0 w h;
2100 let firsttime = state.geomcmds
== firstgeomcmds in
2101 if not
firsttime && nogeomcmds state.geomcmds
2102 then state.anchor <- getanchor ();
2105 let w = truncate
(float w *. conf.zoom
) - state.scrollw
in
2108 setfontsize fstate.fontsize
;
2109 GlMat.mode `modelview
;
2110 GlMat.load_identity
();
2112 GlMat.mode `projection
;
2113 GlMat.load_identity
();
2114 GlMat.rotate ~
x:1.0 ~angle
:180.0 ();
2115 GlMat.translate ~
x:~
-.1.0 ~
y:~
-.1.0 ();
2116 GlMat.scale3
(2.0 /. float state.winw
, 2.0 /. float state.winh
, 1.0);
2121 else float state.x /. float state.w
2123 invalidate "geometry"
2127 then state.x <- truncate
(relx *. float w);
2129 match conf.columns
with
2131 | Cmulti
((c, _, _), _) -> (w - (c-1)*conf.interpagespace
) / c
2132 | Csplit
(c, _) -> w * c
2134 wcmd "geometry %d %d" w h);
2138 let len = String.length
state.text in
2141 match state.mode
with
2144 let h, _, _ = state.uioh#scrollpw
in
2150 (x, float (state.winh
- (fstate.fontsize
+ 4) - hscrollh))
2151 (x+.w, float (state.winh
- hscrollh))
2154 let w = float (state.winw
- state.scrollw
- 1) in
2155 if state.progress
>= 0.0 && state.progress
< 1.0
2157 GlDraw.color
(0.3, 0.3, 0.3);
2158 let w1 = w *. state.progress
in
2160 GlDraw.color
(0.0, 0.0, 0.0);
2164 GlDraw.color
(0.0, 0.0, 0.0);
2168 GlDraw.color
(1.0, 1.0, 1.0);
2169 drawstring fstate.fontsize
2170 (if len > 0 then 8 else 2) (state.winh
- hscrollh - 5) s;
2173 match state.mode
with
2174 | Textentry
((prefix
, text, _, _, _, _), _) ->
2178 Printf.sprintf
"%s%s_ [%s]" prefix
text state.text
2180 Printf.sprintf
"%s%s_" prefix
text
2189 if not
(istextentry state.mode
)
2191 let s1 = "(press 'e' to review error messasges)" in
2192 if String.length
s > 0 then s ^
" " ^
s1 else s1
2197 if String.length
s > 0
2202 let len = Queue.length
state.tilelru
in
2204 match state.throttle
with
2207 then preloadlayout state.y
2209 | Some
(layout, _, _) ->
2213 if state.memused
<= conf.memlimit
2218 let (k
, p
, s) as lruitem
= Queue.pop
state.tilelru
in
2219 let n, gen
, colorspace
, angle
, pagew
, pageh
, col, row = k
in
2220 let (_, pw, ph
, _) = getpagedim n in
2223 && colorspace
= conf.colorspace
2224 && angle
= conf.angle
2228 let x = col*conf.tilew
2229 and y = row*conf.tileh
in
2230 tilevisible (Lazy.force_val
layout) n x y
2232 then Queue.push lruitem
state.tilelru
2235 wcmd "freetile %s" p
;
2236 state.memused
<- state.memused
- s;
2237 state.uioh#infochanged Memused
;
2238 Hashtbl.remove
state.tilemap k
;
2246 let logcurrently = function
2247 | Idle
-> dolog
"Idle"
2248 | Loading
(l
, gen
) ->
2249 dolog
"Loading %d gen=%d curgen=%d" l
.pageno gen
state.gen
2250 | Tiling
(l
, pageopaque
, colorspace
, angle
, gen
, col, row, tilew
, tileh
) ->
2252 "Tiling %d[%d,%d] page=%s cs=%s angle"
2253 l
.pageno col row pageopaque
2254 (colorspace_to_string colorspace
)
2256 dolog
"gen=(%d,%d) (%d,%d) tile=(%d,%d) (%d,%d)"
2257 angle gen
conf.angle
state.gen
2259 conf.tilew
conf.tileh
2266 let r = Str.regexp
" " in
2267 fun s -> Str.bounded_split
r s 2;
2270 let onpagerect pageno f =
2272 match conf.columns
with
2273 | Cmulti
(_, b) -> b
2275 | Csplit
(_, b) -> b
2277 if pageno >= 0 && pageno < Array.length
b
2279 let (pdimno, _, _, (_, _, _, _)) = b.(pageno) in
2280 let r = getpdimrect
pdimno in
2281 f (r.(1)-.r.(0)) (r.(3)-.r.(2))
2284 let gotopagexy pageno x y =
2285 onpagerect pageno (fun w h ->
2287 let _,w1,_,leftx
= getpagedim pageno in
2288 let wh = state.winh
- state.hscrollh in
2289 let sw = float w1 /. w in
2291 let x = leftx
+ state.x + truncate
x in
2293 if x < 0 || x >= state.winw
- state.scrollw
2297 let py, h = getpageyh pageno in
2298 let y'
= py + truncate
(top *. float h) in
2299 let dy = y'
- state.y in
2301 if x != state.x || not
(dy > 0 && dy < wh)
2303 if conf.presentation
2305 if abs
(py - y'
) > wh
2312 if state.x != sx || state.y != sy
2317 let ww = state.winw
- state.scrollw
in
2322 let x = if -x + ww > w1 then -(w1-ww) else x
2323 and y'
= if y + wh > state.maxy
then state.maxy
- wh else y in
2325 if conf.presentation
2327 if abs
(py - y'
) > wh
2338 if x = 0 && state.w <= state.winw
- state.scrollw
2342 gotoy_and_clear_text y;
2344 else gotoy_and_clear_text state.y;
2345 state.wthack
<- !wtmode && not
(layoutready state.layout);
2350 (* dolog "%S" cmds; *)
2351 let cl = splitatspace cmds
in
2353 try Scanf.sscanf
s fmt
f
2355 dolog
"error processing '%S': %s" cmds
(exntos exn
);
2360 state.uioh#infochanged Pdim
;
2363 | "clearrects" :: [] ->
2364 state.rects
<- state.rects1
;
2365 G.postRedisplay "clearrects";
2367 | "continue" :: args :: [] ->
2368 let n = scan args "%u" (fun n -> n) in
2369 state.pagecount
<- n;
2370 begin match state.currently
with
2372 state.currently
<- Idle
;
2373 state.outlines
<- Array.of_list
(List.rev l
)
2377 let cur, cmds
= state.geomcmds
in
2378 if String.length
cur = 0
2379 then failwith
"umpossible";
2381 begin match List.rev cmds
with
2383 state.geomcmds
<- "", [];
2387 state.geomcmds
<- s, List.rev rest
;
2389 if conf.maxwait
= None
2390 then G.postRedisplay "continue";
2392 | "title" :: args :: [] ->
2395 | "msg" :: args :: [] ->
2398 | "vmsg" :: args :: [] ->
2400 then showtext ' '
args
2402 | "emsg" :: args :: [] ->
2403 Buffer.add_string
state.errmsgs
args;
2404 state.newerrmsgs
<- true;
2405 G.postRedisplay "error message"
2407 | "progress" :: args :: [] ->
2408 let progress, text =
2411 f, String.sub
args pos
(String.length
args - pos
))
2414 state.progress <- progress;
2415 G.postRedisplay "progress"
2417 | "firstmatch" :: args :: [] ->
2418 let pageno, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
=
2419 scan args "%u %d %f %f %f %f %f %f %f %f"
2420 (fun p
c x0 y0 x1 y1 x2 y2 x3 y3
->
2421 (p
, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
))
2423 let y = (getpagey pageno) + truncate
y0 in
2426 state.rects1
<- [pageno, c, (x0, y0, x1, y1, x2
, y2
, x3
, y3
)]
2428 | "match" :: args :: [] ->
2429 let pageno, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
=
2430 scan args "%u %d %f %f %f %f %f %f %f %f"
2431 (fun p
c x0 y0 x1 y1 x2 y2 x3 y3
->
2432 (p
, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
))
2435 (pageno, c, (x0, y0, x1, y1, x2
, y2
, x3
, y3
)) :: state.rects1
2437 | "page" :: args :: [] ->
2438 let pageopaque, t
= scan args "%s %f" (fun p t
-> p
, t
) in
2439 begin match state.currently
with
2440 | Loading
(l
, gen
) ->
2441 vlog "page %d took %f sec" l
.pageno t
;
2442 Hashtbl.replace
state.pagemap
(l
.pageno, gen
) pageopaque;
2443 begin match state.throttle
with
2445 let preloadedpages =
2447 then preloadlayout state.y
2452 Set.Make
(struct type t
= int let compare = (-) end) in
2454 List.fold_left
(fun s l
-> IntSet.add l
.pageno s)
2455 IntSet.empty
preloadedpages
2458 Hashtbl.fold (fun ((pageno, _) as key) opaque
accu ->
2459 if not
(IntSet.mem
pageno set)
2461 wcmd "freepage %s" opaque
;
2467 List.iter
(Hashtbl.remove
state.pagemap
) evictedpages;
2470 state.currently
<- Idle
;
2473 tilepage l
.pageno pageopaque state.layout;
2475 load preloadedpages;
2476 if pagevisible state.layout l
.pageno
2477 && layoutready state.layout
2478 then G.postRedisplay "page";
2481 | Some
(layout, _, _) ->
2482 state.currently
<- Idle
;
2483 tilepage l
.pageno pageopaque layout;
2488 dolog
"Inconsistent loading state";
2489 logcurrently state.currently
;
2493 | "tile" :: args :: [] ->
2494 let (x, y, opaque
, size
, t
) =
2495 scan args "%u %u %s %u %f"
2496 (fun x y p size t
-> (x, y, p
, size
, t
))
2498 begin match state.currently
with
2499 | Tiling
(l
, pageopaque, cs
, angle
, gen
, col, row, tilew
, tileh
) ->
2500 vlog "tile %d [%d,%d] took %f sec" l
.pageno col row t
;
2503 if tilew
!= conf.tilew
|| tileh
!= conf.tileh
2505 wcmd "freetile %s" opaque
;
2506 state.currently
<- Idle
;
2510 puttileopaque l
col row gen cs angle opaque size t
;
2511 state.memused
<- state.memused
+ size
;
2512 state.uioh#infochanged Memused
;
2514 Queue.push
((l
.pageno, gen
, cs
, angle
, l
.pagew
, l
.pageh
, col, row),
2515 opaque
, size
) state.tilelru
;
2518 match state.throttle
with
2519 | None
-> state.layout
2520 | Some
(layout, _, _) -> layout
2523 state.currently
<- Idle
;
2525 && conf.colorspace
= cs
2526 && conf.angle
= angle
2527 && tilevisible layout l
.pageno x y
2528 then conttiling l
.pageno pageopaque;
2530 begin match state.throttle
with
2533 then state.wthack
<- not
(layoutready state.layout);
2534 preload state.layout;
2536 && conf.colorspace
= cs
2537 && conf.angle
= angle
2538 && tilevisible state.layout l
.pageno x y
2539 then G.postRedisplay "tile nothrottle";
2541 | Some
(layout, y, _) ->
2542 let ready = layoutready layout in
2545 state.wthack
<- false;
2547 state.layout <- layout;
2548 state.throttle
<- None
;
2549 G.postRedisplay "throttle";
2556 dolog
"Inconsistent tiling state";
2557 logcurrently state.currently
;
2561 | "pdim" :: args :: [] ->
2563 scan args "%u %u %u %u" (fun n w h x -> n, w, h, x)
2565 state.uioh#infochanged Pdim
;
2566 state.pdims
<- pdim :: state.pdims
2568 | "o" :: args :: [] ->
2569 let (l
, n, t
, h, pos
) =
2570 scan args "%u %u %d %u %n"
2571 (fun l
n t
h pos
-> l
, n, t
, h, pos
)
2573 let s = String.sub
args pos
(String.length
args - pos
) in
2574 let outline = (s, l
, (n, float t
/. float h, 0.0)) in
2575 begin match state.currently
with
2576 | Outlining outlines
->
2577 state.currently
<- Outlining
(outline :: outlines
)
2579 state.currently
<- Outlining
[outline]
2581 dolog
"invalid outlining state";
2582 logcurrently currently
2585 | "a" :: args :: [] ->
2587 scan args "%u %d %d" (fun n l t
-> n, l
, t
)
2589 state.reprf
<- (fun () -> gotopagexy n (float l
) (float t
))
2591 | "info" :: args :: [] ->
2592 state.docinfo
<- (1, args) :: state.docinfo
2594 | "infoend" :: [] ->
2595 state.uioh#infochanged Docinfo
;
2596 state.docinfo
<- List.rev
state.docinfo
2599 failwith
(Printf.sprintf
"unknown cmd `%S'" cmds
)
2604 let action = function
2605 | HCprev
-> cbget cb ~
-1
2606 | HCnext
-> cbget cb
1
2607 | HCfirst
-> cbget cb ~
-(cb
.rc)
2608 | HClast
-> cbget cb
(cb
.len - 1 - cb
.rc)
2609 and cancel
() = cb
.rc <- rc
2613 let search pattern forward
=
2614 if String.length pattern
> 0
2617 match state.layout with
2620 l
.pageno, (l
.pagey + if forward
then 0 else 0*l
.pagevh)
2622 wcmd "search %d %d %d %d,%s\000"
2623 (btod conf.icase
) pn py (btod forward
) pattern
;
2626 let intentry text key =
2628 if key >= 32 && key < 127
2634 let text = addchar text c in
2638 state.text <- Printf.sprintf
"invalid char (%d, `%c')" key c;
2642 let linknentry text key =
2644 if key >= 32 && key < 127
2650 let text = addchar text c in
2654 state.text <- Printf.sprintf
"invalid char (%d, `%c')" key c;
2659 if String.length
s > 0
2662 let l = String.length
s in
2663 let rec loop pos
n = if pos
= l then n else
2664 let m = Char.code
s.[pos
] - (if pos
= 0 && l > 1 then 96 else 97) in
2665 loop (pos
+1) (n*26 + m)
2668 let rec loop n = function
2671 match getopaque l.pageno with
2672 | None
-> loop n rest
2674 let m = getlinkcount opaque
in
2677 let under = getlink opaque
n in
2680 else loop (n-m) rest
2682 loop n state.layout;
2686 let textentry text key =
2687 if key land 0xff00 = 0xff00
2689 else TEcont
(text ^ toutf8
key)
2692 let reqlayout angle proportional
=
2693 match state.throttle
with
2695 if nogeomcmds state.geomcmds
2696 then state.anchor <- getanchor ();
2697 conf.angle
<- angle
mod 360;
2700 match state.mode
with
2701 | LinkNav
_ -> state.mode
<- View
2704 conf.proportional
<- proportional
;
2705 invalidate "reqlayout"
2706 (fun () -> wcmd "reqlayout %d %d" conf.angle
(btod proportional
));
2710 let settrim trimmargins trimfuzz
=
2711 if nogeomcmds state.geomcmds
2712 then state.anchor <- getanchor ();
2713 conf.trimmargins
<- trimmargins
;
2714 conf.trimfuzz
<- trimfuzz
;
2715 let x0, y0, x1, y1 = trimfuzz
in
2716 invalidate "settrim"
2718 wcmd "settrim %d %d %d %d %d" (btod conf.trimmargins
) x0 y0 x1 y1);
2723 match state.throttle
with
2725 let zoom = max
0.01 zoom in
2726 if zoom <> conf.zoom
2728 state.prevzoom
<- conf.zoom;
2730 reshape state.winw
state.winh
;
2731 state.text <- Printf.sprintf
"zoom is now %-5.1f" (zoom *. 100.0);
2734 | Some
(layout, y, started
) ->
2736 match conf.maxwait
with
2740 let dt = now () -. started
in
2748 let setcolumns mode columns coverA coverB
=
2749 state.prevcolumns
<- Some
(conf.columns
, conf.zoom);
2753 then showtext '
!'
"split mode doesn't work in bird's eye"
2755 conf.columns
<- Csplit
(-columns
, [||]);
2763 conf.columns
<- Csingle
[||];
2768 conf.columns
<- Cmulti
((columns
, coverA
, coverB
), [||]);
2772 reshape state.winw
state.winh
;
2775 let enterbirdseye () =
2776 let zoom = float conf.thumbw
/. float state.winw
in
2777 let birdseyepageno =
2778 let cy = state.winh
/ 2 in
2782 let rec fold best
= function
2785 let d = cy - (l.pagedispy + l.pagevh/2)
2786 and dbest
= cy - (best
.pagedispy + best
.pagevh/2) in
2787 if abs
d < abs dbest
2794 state.mode
<- Birdseye
(
2795 { conf with zoom = conf.zoom }, state.x, birdseyepageno, -1, getanchor ()
2798 conf.presentation
<- false;
2799 conf.interpagespace
<- 10;
2800 conf.hlinks
<- false;
2802 state.mstate
<- Mnone
;
2803 conf.maxwait
<- None
;
2805 match conf.beyecolumns
with
2808 Cmulti
((c, 0, 0), [||])
2809 | None
-> Csingle
[||]
2811 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
2814 state.text <- Printf.sprintf
"birds eye mode on (zoom %3.1f%%)"
2819 reshape state.winw
state.winh
;
2822 let leavebirdseye (c, leftx
, pageno, _, anchor) goback
=
2824 conf.zoom <- c.zoom;
2825 conf.presentation
<- c.presentation
;
2826 conf.interpagespace
<- c.interpagespace
;
2827 conf.maxwait
<- c.maxwait
;
2828 conf.hlinks
<- c.hlinks
;
2829 conf.beyecolumns
<- (
2830 match conf.columns
with
2831 | Cmulti
((c, _, _), _) -> Some
c
2833 | Csplit
_ -> failwith
"leaving bird's eye split mode"
2836 match c.columns
with
2837 | Cmulti
(c, _) -> Cmulti
(c, [||])
2838 | Csingle
_ -> Csingle
[||]
2839 | Csplit
(c, _) -> Csplit
(c, [||])
2844 state.text <- Printf.sprintf
"birds eye mode off (zoom %3.1f%%)"
2847 reshape state.winw
state.winh
;
2848 state.anchor <- if goback
then anchor else (pageno, 0.0, 1.0);
2851 let togglebirdseye () =
2852 match state.mode
with
2853 | Birdseye vals
-> leavebirdseye vals
true
2854 | View
-> enterbirdseye ()
2858 let upbirdseye incr
(conf, leftx
, pageno, hooverpageno
, anchor) =
2859 let pageno = max
0 (pageno - incr
) in
2860 let rec loop = function
2861 | [] -> gotopage1 pageno 0
2862 | l :: _ when l.pageno = pageno ->
2863 if l.pagedispy >= 0 && l.pagey = 0
2864 then G.postRedisplay "upbirdseye"
2865 else gotopage1 pageno 0
2866 | _ :: rest
-> loop rest
2869 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor)
2872 let downbirdseye incr
(conf, leftx
, pageno, hooverpageno
, anchor) =
2873 let pageno = min
(state.pagecount
- 1) (pageno + incr
) in
2874 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor);
2875 let rec loop = function
2877 let y, h = getpageyh pageno in
2878 let dy = (y - state.y) - (state.winh
- h - conf.interpagespace
) in
2880 | l :: _ when l.pageno = pageno ->
2881 if l.pagevh != l.pageh
2882 then gotoy (clamp (l.pageh
- l.pagevh + conf.interpagespace
))
2883 else G.postRedisplay "downbirdseye"
2884 | _ :: rest
-> loop rest
2889 let optentry mode
_ key =
2890 let btos b = if b then "on" else "off" in
2891 if key >= 32 && key < 127
2893 let c = Char.chr
key in
2897 try conf.scrollstep
<- int_of_string
s with exc
->
2898 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
2900 TEswitch
("scroll step: ", "", None
, intentry, ondone, true)
2905 conf.autoscrollstep
<- int_of_string
s;
2906 if state.autoscroll
<> None
2907 then state.autoscroll
<- Some
conf.autoscrollstep
2909 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
2911 TEswitch
("auto scroll step: ", "", None
, intentry, ondone, true)
2916 let n, a, b = multicolumns_of_string s in
2917 setcolumns mode
n a b;
2919 state.text <- Printf.sprintf
"bad columns `%s': %s" s (exntos exc
)
2921 TEswitch
("columns: ", "", None
, textentry, ondone, true)
2926 let zoom = float (int_of_string
s) /. 100.0 in
2929 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
2931 TEswitch
("zoom: ", "", None
, intentry, ondone, true)
2936 conf.thumbw
<- bound (int_of_string
s) 2 4096;
2938 Printf.sprintf
"thumbnail width is set to %d" conf.thumbw
;
2939 begin match mode
with
2941 leavebirdseye beye
false;
2946 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
2948 TEswitch
("thumbnail width: ", "", None
, intentry, ondone, true)
2953 Some
(int_of_string
s)
2955 state.text <- Printf.sprintf
"bad integer `%s': %s"
2959 | Some angle
-> reqlayout angle
conf.proportional
2962 TEswitch
("rotation: ", "", None
, intentry, ondone, true)
2965 conf.icase
<- not
conf.icase
;
2966 TEdone
("case insensitive search " ^
(btos conf.icase
))
2969 conf.preload <- not
conf.preload;
2971 TEdone
("preload " ^
(btos conf.preload))
2974 conf.verbose
<- not
conf.verbose
;
2975 TEdone
("verbose " ^
(btos conf.verbose
))
2978 conf.debug
<- not
conf.debug
;
2979 TEdone
("debug " ^
(btos conf.debug
))
2982 conf.maxhfit
<- not
conf.maxhfit
;
2983 state.maxy
<- calcheight ();
2984 TEdone
("maxhfit " ^
(btos conf.maxhfit
))
2987 conf.crophack
<- not
conf.crophack
;
2988 TEdone
("crophack " ^
btos conf.crophack
)
2992 match conf.maxwait
with
2994 conf.maxwait
<- Some infinity
;
2995 "always wait for page to complete"
2997 conf.maxwait
<- None
;
2998 "show placeholder if page is not ready"
3003 conf.underinfo
<- not
conf.underinfo
;
3004 TEdone
("underinfo " ^
btos conf.underinfo
)
3007 conf.savebmarks
<- not
conf.savebmarks
;
3008 TEdone
("persistent bookmarks " ^
btos conf.savebmarks
)
3014 match state.layout with
3019 conf.interpagespace
<- int_of_string
s;
3020 docolumns conf.columns
;
3021 state.maxy
<- calcheight ();
3022 let y = getpagey pageno in
3025 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
3027 TEswitch
("vertical margin: ", "", None
, intentry, ondone, true)
3030 reqlayout conf.angle
(not
conf.proportional
);
3031 TEdone
("proportional display " ^
btos conf.proportional
)
3034 settrim (not
conf.trimmargins
) conf.trimfuzz
;
3035 TEdone
("trim margins " ^
btos conf.trimmargins
)
3038 conf.invert
<- not
conf.invert
;
3039 TEdone
("invert colors " ^
btos conf.invert
)
3043 cbput state.hists
.sel
s;
3046 TEswitch
("selection command: ", "", Some
(onhist state.hists
.sel
),
3047 textentry, ondone, true)
3050 state.text <- Printf.sprintf
"bad option %d `%c'" key c;
3056 class type lvsource
= object
3057 method getitemcount
: int
3058 method getitem
: int -> (string * int)
3059 method hasaction
: int -> bool
3068 method getactive
: int
3069 method getfirst
: int
3070 method getqsearch
: string
3071 method setqsearch
: string -> unit
3075 class virtual lvsourcebase
= object
3076 val mutable m_active
= 0
3077 val mutable m_first
= 0
3078 val mutable m_qsearch
= ""
3079 val mutable m_pan
= 0
3080 method getactive
= m_active
3081 method getfirst
= m_first
3082 method getqsearch
= m_qsearch
3083 method getpan
= m_pan
3084 method setqsearch
s = m_qsearch
<- s
3087 let withoutlastutf8 s =
3088 let len = String.length
s in
3096 let b = Char.code
s.[pos
] in
3097 if b land 0b11000000 = 0b11000000
3102 if Char.code
s.[len-1] land 0x80 = 0
3106 String.sub
s 0 first;
3109 let textentrykeyboard
3110 key _mask
((c, text, opthist
, onkey
, ondone, cancelonempty
), onleave
) =
3112 if key >= 0xffb0 && key <= 0xffb9
3113 then key - 0xffb0 + 48 else key
3116 state.mode
<- Textentry
(te
, onleave
);
3119 G.postRedisplay "textentrykeyboard enttext";
3121 let histaction cmd
=
3124 | Some
(action, _) ->
3125 state.mode
<- Textentry
(
3126 (c, action cmd
, opthist
, onkey
, ondone, cancelonempty
), onleave
3128 G.postRedisplay "textentry histaction"
3131 | 0xff08 -> (* backspace *)
3132 let s = withoutlastutf8 text in
3133 let len = String.length
s in
3134 if cancelonempty
&& len = 0
3137 G.postRedisplay "textentrykeyboard after cancel";
3140 enttext (c, s, opthist
, onkey
, ondone, cancelonempty
)
3143 | 0xff0d | 0xff8d -> (* (kp) enter *)
3146 G.postRedisplay "textentrykeyboard after confirm"
3148 | 0xff52 | 0xff97 -> histaction HCprev
(* (kp) up *)
3149 | 0xff54 | 0xff99 -> histaction HCnext
(* (kp) down *)
3150 | 0xff50 | 0xff95 -> histaction HCfirst
(* (kp) home) *)
3151 | 0xff57 | 0xff9c -> histaction HClast
(* (kp) end *)
3153 | 0xff1b -> (* escape*)
3154 if String.length
text = 0
3156 begin match opthist
with
3158 | Some
(_, onhistcancel
) -> onhistcancel
()
3162 G.postRedisplay "textentrykeyboard after cancel2"
3165 enttext (c, "", opthist
, onkey
, ondone, cancelonempty
)
3168 | 0xff9f | 0xffff -> () (* delete *)
3171 && key land 0xff00 != 0xff00 (* keyboard *)
3172 && key land 0xfe00 != 0xfe00 (* xkb *)
3173 && key land 0xfd00 != 0xfd00 (* 3270 *)
3175 begin match onkey
text key with
3179 G.postRedisplay "textentrykeyboard after confirm2";
3182 enttext (c, text, opthist
, onkey
, ondone, cancelonempty
);
3186 G.postRedisplay "textentrykeyboard after cancel3"
3189 state.mode
<- Textentry
(te
, onleave
);
3190 G.postRedisplay "textentrykeyboard switch";
3194 vlog "unhandled key %s" (Wsi.keyname
key)
3197 let firstof first active
=
3198 if first > active
|| abs
(first - active
) > fstate.maxrows
- 1
3199 then max
0 (active
- (fstate.maxrows
/2))
3203 let calcfirst first active
=
3206 let rows = active
- first in
3207 if rows > fstate.maxrows
then active
- fstate.maxrows
else first
3211 let scrollph y maxy
=
3212 let sh = (float (maxy
+ state.winh
) /. float state.winh
) in
3213 let sh = float state.winh
/. sh in
3214 let sh = max
sh (float conf.scrollh
) in
3219 else float y /. float maxy
3221 let position = (float state.winh
-. sh) *. percent in
3224 if position +. sh > float state.winh
3225 then float state.winh
-. sh
3231 let coe s = (s :> uioh
);;
3233 class listview ~
(source
:lvsource
) ~trusted ~modehash
=
3235 val m_pan
= source#getpan
3236 val m_first
= source#getfirst
3237 val m_active
= source#getactive
3238 val m_qsearch
= source#getqsearch
3239 val m_prev_uioh
= state.uioh
3241 method private elemunder
y =
3242 let n = y / (fstate.fontsize
+1) in
3243 if m_first
+ n < source#getitemcount
3245 if source#hasaction
(m_first
+ n)
3246 then Some
(m_first
+ n)
3253 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
3254 GlDraw.color
(0., 0., 0.) ~alpha
:0.85;
3255 GlDraw.rect (0., 0.) (float state.winw
, float state.winh
);
3256 GlDraw.color
(1., 1., 1.);
3257 Gl.enable `texture_2d
;
3258 let fs = fstate.fontsize
in
3260 let ww = fstate.wwidth
in
3261 let tabw = 30.0*.ww in
3262 let itemcount = source#getitemcount
in
3264 if (row - m_first
) > fstate.maxrows
3267 if row >= 0 && row < itemcount
3269 let (s, level
) = source#getitem
row in
3270 let y = (row - m_first
) * nfs in
3271 let x = 5.0 +. float (level
+ m_pan
) *. ww in
3274 Gl.disable `texture_2d
;
3275 GlDraw.polygon_mode `both `line
;
3276 GlDraw.color
(1., 1., 1.) ~alpha
:0.9;
3277 GlDraw.rect (1., float (y + 1))
3278 (float (state.winw
- conf.scrollbw
- 1), float (y + fs + 3));
3279 GlDraw.polygon_mode `both `fill
;
3280 GlDraw.color
(1., 1., 1.);
3281 Gl.enable `texture_2d
;
3284 let drawtabularstring s =
3285 let drawstr x s = drawstring1 fs (truncate
x) (y+nfs) s in
3288 let tabpos = try String.index
s '
\t'
with Not_found
-> -1 in
3291 let len = String.length
s - tabpos - 1 in
3292 let s1 = String.sub
s 0 tabpos
3293 and s2
= String.sub
s (tabpos + 1) len in
3294 let nx = drawstr x s1 in
3296 let x = x +. (max
tabw sw) in
3303 let _ = drawtabularstring s in
3310 Gl.disable `texture_2d
;
3312 method updownlevel incr
=
3313 let len = source#getitemcount
in
3315 if m_active
>= 0 && m_active
< len
3316 then snd
(source#getitem m_active
)
3320 if i
= len then i
-1 else if i
= -1 then 0 else
3321 let _, l = source#getitem i
in
3322 if l != curlevel then i
else flow (i
+incr
)
3324 let active = flow m_active
in
3325 let first = calcfirst m_first
active in
3326 G.postRedisplay "outline updownlevel";
3327 {< m_active
= active; m_first
= first >}
3329 method private key1
key mask
=
3330 let set1 active first qsearch
=
3331 coe {< m_active
= active; m_first
= first; m_qsearch
= qsearch
>}
3333 let search active pattern incr
=
3336 if n >= 0 && n < source#getitemcount
3338 let s, _ = source#getitem
n in
3340 (try ignore
(Str.search_forward
re s 0); true
3341 with Not_found
-> false)
3343 else loop (n + incr
)
3350 let re = Str.regexp_case_fold pattern
in
3356 let itemcount = source#getitemcount
in
3357 let find start incr
=
3359 if i
= -1 || i
= itemcount
3362 if source#hasaction i
3364 else find (i
+ incr
)
3369 let set active first =
3370 let first = bound first 0 (itemcount - fstate.maxrows
) in
3372 coe {< m_active
= active; m_first
= first >}
3375 let isvisible first n = n >= first && n - first <= fstate.maxrows
in
3377 let incr1 = if incr
> 0 then 1 else -1 in
3378 if isvisible m_first m_active
3381 let next = m_active
+ incr
in
3383 if next < 0 || next >= itemcount
3385 else find next incr1
3387 if next = -1 || abs
(m_active
- next) > fstate.maxrows
3393 let first = m_first
+ incr
in
3394 let first = bound first 0 (itemcount - 1) in
3396 let next = m_active
+ incr
in
3397 let next = bound next 0 (itemcount - 1) in
3400 let active = if next = -1 then m_active
else next in
3403 let first = min
next m_first
in
3405 if abs
(next - first) > fstate.maxrows
3411 let first = m_first
+ incr
in
3412 let first = bound first 0 (itemcount - 1) in
3414 let next = m_active
+ incr
in
3415 let next = bound next 0 (itemcount - 1) in
3416 let next = find next incr1 in
3418 if next = -1 || abs
(m_active
- first) > fstate.maxrows
3420 let active = if m_active
= -1 then next else m_active
in
3425 if isvisible first active
3431 G.postRedisplay "listview navigate";
3435 | (0x72|0x73) when Wsi.withctrl mask
-> (* ctrl-r/ctlr-s *)
3436 let incr = if key = 0x72 then -1 else 1 in
3438 match search (m_active
+ incr) m_qsearch
incr with
3440 state.text <- m_qsearch ^
" [not found]";
3443 state.text <- m_qsearch
;
3444 active, firstof m_first
active
3446 G.postRedisplay "listview ctrl-r/s";
3447 set1 active first m_qsearch
;
3449 | 0xff08 -> (* backspace *)
3450 if String.length m_qsearch
= 0
3453 let qsearch = withoutlastutf8 m_qsearch
in
3454 let len = String.length
qsearch in
3458 G.postRedisplay "listview empty qsearch";
3459 set1 m_active m_first
"";
3463 match search m_active
qsearch ~
-1 with
3465 state.text <- qsearch ^
" [not found]";
3468 state.text <- qsearch;
3469 active, firstof m_first
active
3471 G.postRedisplay "listview backspace qsearch";
3472 set1 active first qsearch
3475 | key when (key != 0 && key land 0xff00 != 0xff00) ->
3476 let pattern = m_qsearch ^ toutf8
key in
3478 match search m_active
pattern 1 with
3480 state.text <- pattern ^
" [not found]";
3483 state.text <- pattern;
3484 active, firstof m_first
active
3486 G.postRedisplay "listview qsearch add";
3487 set1 active first pattern;
3489 | 0xff1b -> (* escape *)
3491 if String.length m_qsearch
= 0
3493 G.postRedisplay "list view escape";
3496 source#exit
(coe self
) true m_active m_first m_pan m_qsearch
3498 | None
-> m_prev_uioh
3503 G.postRedisplay "list view kill qsearch";
3504 source#setqsearch
"";
3505 coe {< m_qsearch
= "" >}
3508 | 0xff0d | 0xff8d -> (* (kp) enter *)
3510 let self = {< m_qsearch
= "" >} in
3511 source#setqsearch
"";
3513 G.postRedisplay "listview enter";
3514 if m_active
>= 0 && m_active
< source#getitemcount
3516 source#exit
(coe self) false m_active m_first m_pan
"";
3519 source#exit
(coe self) true m_active m_first m_pan
"";
3522 begin match opt with
3523 | None
-> m_prev_uioh
3527 | 0xff9f | 0xffff -> (* (kp) delete *)
3530 | 0xff52 | 0xff97 -> navigate ~
-1 (* (kp) up *)
3531 | 0xff54 | 0xff99 -> navigate 1 (* (kp) down *)
3532 | 0xff55 | 0xff9a -> navigate ~
-(fstate.maxrows
) (* (kp) prior *)
3533 | 0xff56 | 0xff9b -> navigate fstate.maxrows
(* (kp) next *)
3535 | 0xff53 | 0xff98 -> (* (kp) right *)
3537 G.postRedisplay "listview right";
3538 coe {< m_pan
= m_pan
- 1 >}
3540 | 0xff51 | 0xff96 -> (* (kp) left *)
3542 G.postRedisplay "listview left";
3543 coe {< m_pan
= m_pan
+ 1 >}
3545 | 0xff50 | 0xff95 -> (* (kp) home *)
3546 let active = find 0 1 in
3547 G.postRedisplay "listview home";
3550 | 0xff57 | 0xff9c -> (* (kp) end *)
3551 let first = max
0 (itemcount - fstate.maxrows
) in
3552 let active = find (itemcount - 1) ~
-1 in
3553 G.postRedisplay "listview end";
3556 | key when (key = 0 || key land 0xff00 = 0xff00) ->
3560 dolog
"listview unknown key %#x" key; coe self
3562 method key key mask
=
3563 match state.mode
with
3564 | Textentry te
-> textentrykeyboard key mask te
; coe self
3565 | _ -> self#key1
key mask
3567 method button button down
x y _ =
3570 | 1 when x > state.winw
- conf.scrollbw
->
3571 G.postRedisplay "listview scroll";
3574 let _, position, sh = self#
scrollph in
3575 if y > truncate
position && y < truncate
(position +. sh)
3577 state.mstate
<- Mscrolly
;
3581 let s = float (max
0 (y - conf.scrollh
)) /. float state.winh
in
3582 let first = truncate
(s *. float source#getitemcount
) in
3583 let first = min source#getitemcount
first in
3584 Some
(coe {< m_first
= first; m_active
= first >})
3586 state.mstate
<- Mnone
;
3589 | 1 when not down
->
3590 begin match self#elemunder
y with
3592 G.postRedisplay "listview click";
3594 (coe {< m_active
= n >}) false n m_first m_pan m_qsearch
3598 | n when (n == 4 || n == 5) && not down
->
3599 let len = source#getitemcount
in
3601 if n = 5 && m_first
+ fstate.maxrows
>= len
3605 let first = m_first
+ (if n == 4 then -1 else 1) in
3606 bound first 0 (len - 1)
3608 G.postRedisplay "listview wheel";
3609 Some
(coe {< m_first
= first >})
3610 | n when (n = 6 || n = 7) && not down
->
3611 let inc = m_first
+ (if n = 7 then -1 else 1) in
3612 G.postRedisplay "listview hwheel";
3613 Some
(coe {< m_pan
= m_pan
+ inc >})
3618 | None
-> m_prev_uioh
3622 match state.mstate
with
3624 let s = float (max
0 (y - conf.scrollh
)) /. float state.winh
in
3625 let first = truncate
(s *. float source#getitemcount
) in
3626 let first = min source#getitemcount
first in
3627 G.postRedisplay "listview motion";
3628 coe {< m_first
= first; m_active
= first >}
3631 method pmotion
x y =
3632 if x < state.winw
- conf.scrollbw
3635 match self#elemunder
y with
3636 | None
-> Wsi.setcursor
Wsi.CURSOR_INHERIT
; m_active
3637 | Some
n -> Wsi.setcursor
Wsi.CURSOR_INFO
; n
3641 then (G.postRedisplay "listview pmotion"; {< m_active
= n >})
3646 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
3650 method infochanged
_ = ()
3652 method scrollpw
= (0, 0.0, 0.0)
3654 let nfs = fstate.fontsize
+ 1 in
3655 let y = m_first
* nfs in
3656 let itemcount = source#getitemcount
in
3657 let maxi = max
0 (itemcount - fstate.maxrows
) in
3658 let maxy = maxi * nfs in
3659 let p, h = scrollph y maxy in
3662 method modehash
= modehash
3665 class outlinelistview ~source
=
3668 ~source
:(source
:> lvsource
)
3670 ~modehash
:(findkeyhash conf "outline")
3673 method key key mask
=
3674 let calcfirst first active =
3677 let rows = active - first in
3679 if String.length
state.text = 0
3681 else fstate.maxrows - 2
3683 if rows > maxrows then active - maxrows else first
3687 let active = m_active
+ incr in
3688 let active = bound active 0 (source#getitemcount
- 1) in
3689 let first = calcfirst m_first
active in
3690 G.postRedisplay "outline navigate";
3691 coe {< m_active
= active; m_first
= first >}
3693 let ctrl = Wsi.withctrl mask
in
3695 | 110 when ctrl -> (* ctrl-n *)
3696 source#narrow m_qsearch
;
3697 G.postRedisplay "outline ctrl-n";
3698 coe {< m_first
= 0; m_active
= 0 >}
3700 | 117 when ctrl -> (* ctrl-u *)
3702 G.postRedisplay "outline ctrl-u";
3704 coe {< m_first
= 0; m_active
= 0 >}
3706 | 108 when ctrl -> (* ctrl-l *)
3707 let first = max
0 (m_active
- (fstate.maxrows / 2)) in
3708 G.postRedisplay "outline ctrl-l";
3709 coe {< m_first
= first >}
3711 | 0xff9f | 0xffff -> (* (kp) delete *)
3712 source#remove m_active
;
3713 G.postRedisplay "outline delete";
3714 let active = max
0 (m_active
-1) in
3715 coe {< m_first
= firstof m_first
active;
3716 m_active
= active >}
3718 | 0xff52 | 0xff97 -> navigate ~
-1 (* (kp) up *)
3719 | 0xff54 | 0xff99 -> navigate 1 (* (kp) down *)
3720 | 0xff55 | 0xff9a -> (* (kp) prior *)
3721 navigate ~
-(fstate.maxrows)
3722 | 0xff56 | 0xff9b -> (* (kp) next *)
3723 navigate fstate.maxrows
3725 | 0xff53 | 0xff98 -> (* [ctrl-] (kp) right *)
3729 G.postRedisplay "outline ctrl right";
3730 {< m_pan
= m_pan
+ 1 >}
3732 else self#updownlevel
1
3736 | 0xff51 | 0xff96 -> (* [ctrl-] (kp) left *)
3740 G.postRedisplay "outline ctrl left";
3741 {< m_pan
= m_pan
- 1 >}
3743 else self#updownlevel ~
-1
3747 | 0xff50 | 0xff95 -> (* (kp) home *)
3748 G.postRedisplay "outline home";
3749 coe {< m_first
= 0; m_active
= 0 >}
3751 | 0xff57 | 0xff9c -> (* (kp) end *)
3752 let active = source#getitemcount
- 1 in
3753 let first = max
0 (active - fstate.maxrows) in
3754 G.postRedisplay "outline end";
3755 coe {< m_active
= active; m_first
= first >}
3757 | _ -> super#
key key mask
3760 let outlinesource usebookmarks
=
3763 inherit lvsourcebase
3764 val mutable m_items
= empty
3765 val mutable m_orig_items
= empty
3766 val mutable m_prev_items
= empty
3767 val mutable m_narrow_pattern
= ""
3768 val mutable m_hadremovals
= false
3770 method getitemcount
=
3771 Array.length m_items
+ (if m_hadremovals
then 1 else 0)
3774 if n == Array.length m_items
&& m_hadremovals
3776 ("[Confirm removal]", 0)
3778 let s, n, _ = m_items
.(n) in
3781 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
3782 ignore
(uioh
, first, qsearch);
3783 let confrimremoval = m_hadremovals
&& active = Array.length m_items
in
3785 if String.length m_narrow_pattern
= 0
3791 if not
confrimremoval
3793 let _, _, anchor = m_items
.(active) in
3794 gotoghyll (getanchory anchor);
3798 state.bookmarks
<- Array.to_list m_items
;
3799 m_orig_items
<- m_items
;
3802 else m_items
<- items;
3806 method hasaction
_ = true
3809 if Array.length m_items
!= Array.length m_orig_items
3810 then "Narrowed to " ^ m_narrow_pattern ^
" (ctrl-u to restore)"
3813 method narrow
pattern =
3814 let reopt = try Some
(Str.regexp_case_fold
pattern) with _ -> None
in
3818 let rec loop accu n =
3821 m_narrow_pattern
<- pattern;
3822 m_items
<- Array.of_list
accu
3825 let (s, _, _) as o = m_items
.(n) in
3827 if (try ignore
(Str.search_forward
re s 0); true
3828 with Not_found
-> false)
3834 loop [] (Array.length m_items
- 1)
3839 then Array.of_list
state.bookmarks
3842 m_items
<- m_orig_items
3847 if m >= 0 && m < Array.length m_items
3849 m_hadremovals
<- true;
3850 m_items
<- Array.init
(Array.length m_items
- 1) (fun n ->
3851 let n = if n >= m then n+1 else n in
3856 method reset
anchor items =
3857 m_hadremovals
<- false;
3858 if m_orig_items
== empty || m_prev_items
!= items
3860 m_orig_items
<- items;
3861 if String.length m_narrow_pattern
= 0
3862 then m_items
<- items;
3864 m_prev_items
<- items;
3865 let rely = getanchory anchor in
3867 let rec loop n best bestd
=
3868 if n = Array.length m_items
3871 let (_, _, anchor) = m_items
.(n) in
3872 let orely = getanchory anchor in
3873 let d = abs
(orely - rely) in
3876 else loop (n+1) best bestd
3881 m_first
<- firstof m_first
active
3885 let enterselector usebookmarks
=
3886 let source = outlinesource usebookmarks
in
3890 then Array.of_list
state.bookmarks
3893 if Array.length
outlines = 0
3895 showtext ' ' errmsg
;
3898 state.text <- source#greetmsg
;
3899 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
3900 let anchor = getanchor () in
3901 source#reset
anchor outlines;
3902 state.uioh
<- coe (new outlinelistview ~
source);
3903 G.postRedisplay "enter selector";
3907 let enteroutlinemode =
3908 let f = enterselector false in
3909 fun ()-> f "Document has no outline";
3912 let enterbookmarkmode =
3913 let f = enterselector true in
3914 fun () -> f "Document has no bookmarks (yet)";
3917 let color_of_string s =
3918 Scanf.sscanf
s "%d/%d/%d" (fun r g b ->
3919 (float r /. 256.0, float g /. 256.0, float b /. 256.0)
3923 let color_to_string (r, g, b) =
3924 let r = truncate
(r *. 256.0)
3925 and g = truncate
(g *. 256.0)
3926 and b = truncate
(b *. 256.0) in
3927 Printf.sprintf
"%d/%d/%d" r g b
3930 let irect_of_string s =
3931 Scanf.sscanf
s "%d/%d/%d/%d" (fun x0 y0 x1 y1 -> (x0,y0,x1,y1))
3934 let irect_to_string (x0,y0,x1,y1) =
3935 Printf.sprintf
"%d/%d/%d/%d" x0 y0 x1 y1
3938 let makecheckers () =
3939 (* Based on lablGL-1.04/LablGlut/examples/lablGL/checker.ml which had
3941 converted by Issac Trotts. July 25, 2002 *)
3942 let image = GlPix.create `ubyte ~format
:`luminance ~width
:2 ~height
:2 in
3943 Raw.sets_string
(GlPix.to_raw
image) ~pos
:0 "\255\200\200\255";
3944 let id = GlTex.gen_texture
() in
3945 GlTex.bind_texture `texture_2d
id;
3946 GlPix.store
(`unpack_alignment
1);
3947 GlTex.image2d
image;
3948 List.iter
(GlTex.parameter ~target
:`texture_2d
)
3949 [ `mag_filter `nearest
; `min_filter `nearest
];
3953 let setcheckers enabled
=
3954 match state.texid
with
3956 if enabled
then state.texid
<- Some
(makecheckers ())
3961 GlTex.delete_texture texid
;
3962 state.texid
<- None
;
3966 let int_of_string_with_suffix s =
3967 let l = String.length
s in
3971 let suffix = Char.lowercase
s.[l-1] in
3973 | 'k'
-> String.sub
s 0 (l-1), 10
3974 | '
m'
-> String.sub
s 0 (l-1), 20
3975 | '
g'
-> String.sub
s 0 (l-1), 30
3979 let n = int_of_string
s1 in
3980 let m = n lsl shift
in
3982 then raise
(Failure
"value too large")
3986 let string_with_suffix_of_int n =
3991 if n land ((1 lsl 30) - 1) = 0
3994 if n land ((1 lsl 20) - 1) = 0
3997 if n land ((1 lsl 10) - 1) = 0
4004 let h = n mod 1000 in
4007 then string_of_int
h ^
s
4009 let s = Printf.sprintf
"_%03d%s" h s in
4016 let defghyllscroll = (40, 8, 32);;
4017 let ghyllscroll_of_string s =
4018 let (n, a, b) as nab
=
4021 else Scanf.sscanf
s "%u,%u,%u" (fun n a b -> n, a, b)
4023 if n <= a || n <= b || a >= b
4024 then failwith
"invalid ghyll N,A,B (N <= A, A < B, N <= B)";
4028 let ghyllscroll_to_string ((n, a, b) as nab
) =
4029 if nab
= defghyllscroll
4031 else Printf.sprintf
"%d,%d,%d" n a b;
4034 let describe_location () =
4035 let fn = page_of_y state.y in
4036 let ln = page_of_y (state.y + state.winh
- state.hscrollh) in
4037 let maxy = state.maxy - (if conf.maxhfit
then state.winh
else 0) in
4041 else (100. *. (float state.y /. float maxy))
4045 Printf.sprintf
"page %d of %d [%.2f%%]"
4046 (fn+1) state.pagecount
percent
4049 "pages %d-%d of %d [%.2f%%]"
4050 (fn+1) (ln+1) state.pagecount
percent
4053 let setpresentationmode v
=
4054 let n = page_of_y state.y in
4055 state.anchor <- (n, 0.0, 1.0);
4056 conf.presentation
<- v
;
4057 if conf.presentation
4059 if not
conf.scrollbarinpm
4060 then state.scrollw
<- 0;
4062 else state.scrollw
<- conf.scrollbw
;
4067 let btos b = if b then "\xe2\x88\x9a" else "" in
4068 let showextended = ref false in
4069 let leave mode
= function
4070 | Confirm
-> state.mode
<- mode
4071 | Cancel
-> state.mode
<- mode
in
4074 val mutable m_first_time
= true
4075 val mutable m_l
= []
4076 val mutable m_a
= [||]
4077 val mutable m_prev_uioh
= nouioh
4078 val mutable m_prev_mode
= View
4080 inherit lvsourcebase
4082 method reset prev_mode prev_uioh
=
4083 m_a
<- Array.of_list
(List.rev m_l
);
4085 m_prev_mode
<- prev_mode
;
4086 m_prev_uioh
<- prev_uioh
;
4090 if n >= Array.length m_a
4094 | _, _, _, Action
_ -> m_active
<- n
4098 m_first_time
<- false;
4101 method int name get
set =
4103 (name
, `
int get
, 1, Action
(
4106 try set (int_of_string
s)
4108 state.text <- Printf.sprintf
"bad integer `%s': %s"
4112 let te = name ^
": ", "", None
, intentry, ondone, true in
4113 state.mode
<- Textentry
(te, leave m_prev_mode
);
4117 method int_with_suffix name get
set =
4119 (name
, `intws get
, 1, Action
(
4122 try set (int_of_string_with_suffix s)
4124 state.text <- Printf.sprintf
"bad integer `%s': %s"
4129 name ^
": ", "", None
, intentry_with_suffix, ondone, true
4131 state.mode
<- Textentry
(te, leave m_prev_mode
);
4135 method bool ?
(offset
=1) ?
(btos=btos) name get
set =
4137 (name
, `
bool (btos, get
), offset
, Action
(
4144 method color name get
set =
4146 (name
, `color get
, 1, Action
(
4148 let invalid = (nan
, nan
, nan
) in
4151 try color_of_string s
4153 state.text <- Printf.sprintf
"bad color `%s': %s"
4160 let te = name ^
": ", "", None
, textentry, ondone, true in
4161 state.text <- color_to_string (get
());
4162 state.mode
<- Textentry
(te, leave m_prev_mode
);
4166 method string name get
set =
4168 (name
, `
string get
, 1, Action
(
4170 let ondone s = set s in
4171 let te = name ^
": ", "", None
, textentry, ondone, true in
4172 state.mode
<- Textentry
(te, leave m_prev_mode
);
4176 method colorspace name get
set =
4178 (name
, `
string get
, 1, Action
(
4181 let vals = [| "rgb"; "bgr"; "gray" |] in
4183 inherit lvsourcebase
4186 m_active
<- int_of_colorspace conf.colorspace
;
4189 method getitemcount
= Array.length
vals
4190 method getitem
n = (vals.(n), 0)
4191 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4192 ignore
(uioh
, first, pan
, qsearch);
4193 if not cancel
then set active;
4195 method hasaction
_ = true
4199 let modehash = findkeyhash conf "info" in
4200 coe (new listview ~
source ~trusted
:true ~
modehash)
4203 method caption
s offset
=
4204 m_l
<- (s, `
empty, offset
, Noaction
) :: m_l
4206 method caption2
s f offset
=
4207 m_l
<- (s, `
string f, offset
, Noaction
) :: m_l
4209 method getitemcount
= Array.length m_a
4212 let tostr = function
4213 | `
int f -> string_of_int
(f ())
4214 | `intws
f -> string_with_suffix_of_int (f ())
4216 | `color
f -> color_to_string (f ())
4217 | `
bool (btos, f) -> btos (f ())
4220 let name, t
, offset
, _ = m_a
.(n) in
4221 ((let s = tostr t
in
4222 if String.length
s > 0
4223 then Printf.sprintf
"%s\t%s" name s
4227 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4231 m_qsearch
<- qsearch;
4233 match m_a
.(active) with
4234 | _, _, _, Action
f -> f uioh
4246 method hasaction
n =
4248 | _, _, _, Action
_ -> true
4252 let rec fillsrc prevmode prevuioh
=
4253 let sep () = src#caption
"" 0 in
4254 let colorp name get
set =
4256 (fun () -> color_to_string (get
()))
4259 let c = color_of_string v in
4262 state.text <- Printf.sprintf
"bad color `%s': %s" v (exntos exn
)
4265 let oldmode = state.mode
in
4266 let birdseye = isbirdseye state.mode
in
4268 src#caption
(if birdseye then "Setup (Bird's eye)" else "Setup") 0;
4270 src#
bool "presentation mode"
4271 (fun () -> conf.presentation
)
4272 (fun v -> setpresentationmode v);
4274 src#
bool "ignore case in searches"
4275 (fun () -> conf.icase
)
4276 (fun v -> conf.icase
<- v);
4279 (fun () -> conf.preload)
4280 (fun v -> conf.preload <- v);
4282 src#
bool "highlight links"
4283 (fun () -> conf.hlinks
)
4284 (fun v -> conf.hlinks
<- v);
4286 src#
bool "under info"
4287 (fun () -> conf.underinfo
)
4288 (fun v -> conf.underinfo
<- v);
4290 src#
bool "persistent bookmarks"
4291 (fun () -> conf.savebmarks
)
4292 (fun v -> conf.savebmarks
<- v);
4294 src#
bool "proportional display"
4295 (fun () -> conf.proportional
)
4296 (fun v -> reqlayout conf.angle
v);
4298 src#
bool "trim margins"
4299 (fun () -> conf.trimmargins
)
4300 (fun v -> settrim v conf.trimfuzz
; fillsrc prevmode prevuioh
);
4302 src#
bool "persistent location"
4303 (fun () -> conf.jumpback
)
4304 (fun v -> conf.jumpback
<- v);
4307 src#
int "inter-page space"
4308 (fun () -> conf.interpagespace
)
4310 conf.interpagespace
<- n;
4311 docolumns conf.columns
;
4313 match state.layout with
4318 state.maxy <- calcheight ();
4319 let y = getpagey pageno in
4324 (fun () -> conf.pagebias
)
4325 (fun v -> conf.pagebias
<- v);
4327 src#
int "scroll step"
4328 (fun () -> conf.scrollstep
)
4329 (fun n -> conf.scrollstep
<- n);
4331 src#
int "horizontal scroll step"
4332 (fun () -> conf.hscrollstep
)
4333 (fun v -> conf.hscrollstep
<- v);
4335 src#
int "auto scroll step"
4337 match state.autoscroll
with
4339 | _ -> conf.autoscrollstep
)
4341 if state.autoscroll
<> None
4342 then state.autoscroll
<- Some
n;
4343 conf.autoscrollstep
<- n);
4346 (fun () -> truncate
(conf.zoom *. 100.))
4347 (fun v -> setzoom ((float v) /. 100.));
4350 (fun () -> conf.angle
)
4351 (fun v -> reqlayout v conf.proportional
);
4353 src#
int "scroll bar width"
4354 (fun () -> state.scrollw
)
4358 reshape state.winw
state.winh
;
4361 src#
int "scroll handle height"
4362 (fun () -> conf.scrollh
)
4363 (fun v -> conf.scrollh
<- v;);
4365 src#
int "thumbnail width"
4366 (fun () -> conf.thumbw
)
4368 conf.thumbw
<- min
4096 v;
4371 leavebirdseye beye
false;
4376 let mode = state.mode in
4377 src#
string "columns"
4379 match conf.columns
with
4381 | Cmulti
(multi
, _) -> multicolumns_to_string multi
4382 | Csplit
(count
, _) -> "-" ^ string_of_int count
4385 let n, a, b = multicolumns_of_string v in
4386 setcolumns mode n a b);
4389 src#caption
"Presentation mode" 0;
4390 src#
bool "scrollbar visible"
4391 (fun () -> conf.scrollbarinpm
)
4393 if v != conf.scrollbarinpm
4395 conf.scrollbarinpm
<- v;
4396 if conf.presentation
4398 state.scrollw
<- if v then conf.scrollbw
else 0;
4399 reshape state.winw
state.winh
;
4405 src#caption
"Pixmap cache" 0;
4406 src#int_with_suffix
"size (advisory)"
4407 (fun () -> conf.memlimit
)
4408 (fun v -> conf.memlimit
<- v);
4411 (fun () -> Printf.sprintf
"%s bytes, %d tiles"
4412 (string_with_suffix_of_int state.memused
)
4413 (Hashtbl.length
state.tilemap
)) 1;
4416 src#caption
"Layout" 0;
4417 src#caption2
"Dimension"
4419 Printf.sprintf
"%dx%d (virtual %dx%d)"
4420 state.winw
state.winh
4425 src#caption2
"Position" (fun () ->
4426 Printf.sprintf
"%dx%d" state.x state.y
4429 src#caption2
"Position" (fun () -> describe_location ()) 1
4433 src#
bool ~offset
:0 ~
btos:(fun v -> if v then "(on)" else "(off)")
4434 "Save these parameters as global defaults at exit"
4435 (fun () -> conf.bedefault
)
4436 (fun v -> conf.bedefault
<- v)
4440 let btos b = if b then "\xc2\xab" else "\xc2\xbb" in
4441 src#
bool ~offset
:0 ~
btos "Extended parameters"
4442 (fun () -> !showextended)
4443 (fun v -> showextended := v; fillsrc prevmode prevuioh
);
4447 (fun () -> conf.checkers
)
4448 (fun v -> conf.checkers
<- v; setcheckers v);
4449 src#
bool "update cursor"
4450 (fun () -> conf.updatecurs
)
4451 (fun v -> conf.updatecurs
<- v);
4453 (fun () -> conf.verbose
)
4454 (fun v -> conf.verbose
<- v);
4455 src#
bool "invert colors"
4456 (fun () -> conf.invert
)
4457 (fun v -> conf.invert
<- v);
4459 (fun () -> conf.maxhfit
)
4460 (fun v -> conf.maxhfit
<- v);
4461 src#
bool "redirect stderr"
4462 (fun () -> conf.redirectstderr)
4463 (fun v -> conf.redirectstderr <- v; redirectstderr ());
4464 src#
string "uri launcher"
4465 (fun () -> conf.urilauncher
)
4466 (fun v -> conf.urilauncher
<- v);
4467 src#
string "path launcher"
4468 (fun () -> conf.pathlauncher
)
4469 (fun v -> conf.pathlauncher
<- v);
4470 src#
string "tile size"
4471 (fun () -> Printf.sprintf
"%dx%d" conf.tilew
conf.tileh
)
4474 let w, h = Scanf.sscanf
v "%dx%d" (fun w h -> w, h) in
4475 conf.tilew
<- max
64 w;
4476 conf.tileh
<- max
64 h;
4479 state.text <- Printf.sprintf
"bad tile size `%s': %s"
4482 src#
int "texture count"
4483 (fun () -> conf.texcount
)
4486 then conf.texcount
<- v
4487 else showtext '
!'
" Failed to set texture count please retry later"
4489 src#
int "slice height"
4490 (fun () -> conf.sliceheight
)
4492 conf.sliceheight
<- v;
4493 wcmd "sliceh %d" conf.sliceheight
;
4495 src#
int "anti-aliasing level"
4496 (fun () -> conf.aalevel
)
4498 conf.aalevel
<- bound v 0 8;
4499 state.anchor <- getanchor ();
4500 opendoc state.path
state.password
;
4502 src#
string "page scroll scaling factor"
4503 (fun () -> string_of_float
conf.pgscale)
4506 let s = float_of_string
v in
4509 state.text <- Printf.sprintf
4510 "bad page scroll scaling factor `%s': %s" v (exntos exn
)
4513 src#
int "ui font size"
4514 (fun () -> fstate.fontsize
)
4515 (fun v -> setfontsize (bound v 5 100));
4516 src#
int "hint font size"
4517 (fun () -> conf.hfsize
)
4518 (fun v -> conf.hfsize
<- bound v 5 100);
4519 colorp "background color"
4520 (fun () -> conf.bgcolor
)
4521 (fun v -> conf.bgcolor
<- v);
4522 src#
bool "crop hack"
4523 (fun () -> conf.crophack
)
4524 (fun v -> conf.crophack
<- v);
4525 src#
string "trim fuzz"
4526 (fun () -> irect_to_string conf.trimfuzz
)
4529 conf.trimfuzz
<- irect_of_string v;
4531 then settrim true conf.trimfuzz
;
4533 state.text <- Printf.sprintf
"bad irect `%s': %s" v (exntos exn
)
4535 src#
string "throttle"
4537 match conf.maxwait
with
4538 | None
-> "show place holder if page is not ready"
4541 then "wait for page to fully render"
4543 "wait " ^ string_of_float
time
4544 ^
" seconds before showing placeholder"
4548 let f = float_of_string
v in
4550 then conf.maxwait
<- None
4551 else conf.maxwait
<- Some
f
4553 state.text <- Printf.sprintf
"bad time `%s': %s" v (exntos exn
)
4555 src#
string "ghyll scroll"
4557 match conf.ghyllscroll
with
4559 | Some nab
-> ghyllscroll_to_string nab
4564 if String.length
v = 0
4566 else Some
(ghyllscroll_of_string v)
4568 conf.ghyllscroll
<- gs
4570 state.text <- Printf.sprintf
"bad ghyll `%s': %s" v (exntos exn
)
4572 src#
string "selection command"
4573 (fun () -> conf.selcmd
)
4574 (fun v -> conf.selcmd
<- v);
4575 src#
string "synctex command"
4576 (fun () -> conf.stcmd
)
4577 (fun v -> conf.stcmd
<- v);
4578 src#colorspace
"color space"
4579 (fun () -> colorspace_to_string conf.colorspace
)
4581 conf.colorspace
<- colorspace_of_int v;
4588 (fun () -> conf.usepbo
)
4589 (fun v -> conf.usepbo
<- v);
4590 src#
bool "mouse wheel scrolls pages"
4591 (fun () -> conf.wheelbypage
)
4592 (fun v -> conf.wheelbypage
<- v);
4596 src#caption
"Document" 0;
4597 List.iter
(fun (_, s) -> src#caption
s 1) state.docinfo
;
4598 src#caption2
"Pages"
4599 (fun () -> string_of_int
state.pagecount
) 1;
4600 src#caption2
"Dimensions"
4601 (fun () -> string_of_int
(List.length
state.pdims
)) 1;
4605 src#caption
"Trimmed margins" 0;
4606 src#caption2
"Dimensions"
4607 (fun () -> string_of_int
(List.length
state.pdims
)) 1;
4611 src#caption
"OpenGL" 0;
4612 src#caption
(Printf.sprintf
"Vendor\t%s" (GlMisc.get_string `vendor
)) 1;
4613 src#caption
(Printf.sprintf
"Renderer\t%s" (GlMisc.get_string `renderer
)) 1;
4614 src#reset prevmode prevuioh
;
4618 let prevmode = state.mode
4619 and prevuioh
= state.uioh in
4620 fillsrc prevmode prevuioh
;
4621 let source = (src :> lvsource
) in
4622 let modehash = findkeyhash conf "info" in
4623 state.uioh <- coe (object (self)
4624 inherit listview ~
source ~trusted
:true ~
modehash as super
4625 val mutable m_prevmemused
= 0
4626 method infochanged
= function
4628 if m_prevmemused
!= state.memused
4630 m_prevmemused
<- state.memused
;
4631 G.postRedisplay "memusedchanged";
4633 | Pdim
-> G.postRedisplay "pdimchanged"
4634 | Docinfo
-> fillsrc prevmode prevuioh
4636 method key key mask
=
4637 if not
(Wsi.withctrl mask
)
4640 | 0xff51 | 0xff96 -> coe (self#updownlevel ~
-1) (* (kp) left *)
4641 | 0xff53 | 0xff98 -> coe (self#updownlevel
1) (* (kp) right *)
4642 | _ -> super#
key key mask
4643 else super#
key key mask
4645 G.postRedisplay "info";
4651 inherit lvsourcebase
4652 method getitemcount
= Array.length
state.help
4654 let s, l, _ = state.help
.(n) in
4657 method exit ~
uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4661 m_qsearch
<- qsearch;
4662 match state.help
.(active) with
4663 | _, _, Action
f -> Some
(f uioh)
4673 method hasaction
n =
4674 match state.help
.(n) with
4675 | _, _, Action
_ -> true
4682 let modehash = findkeyhash conf "help" in
4683 state.uioh <- coe (new listview ~
source ~trusted
:true ~
modehash);
4684 G.postRedisplay "help";
4689 let re = Str.regexp
"[\r\n]" in
4691 inherit lvsourcebase
4692 val mutable m_items
= [||]
4694 method getitemcount
= 1 + Array.length m_items
4699 else m_items
.(n-1), 0
4701 method exit ~
uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4706 then Buffer.clear
state.errmsgs
;
4707 m_qsearch
<- qsearch;
4714 method hasaction
n =
4718 state.newerrmsgs
<- false;
4719 let l = Str.split
re (Buffer.contents
state.errmsgs
) in
4720 m_items
<- Array.of_list
l
4728 let source = (msgsource :> lvsource
) in
4729 let modehash = findkeyhash conf "listview" in
4730 state.uioh <- coe (object
4731 inherit listview ~
source ~trusted
:false ~
modehash as super
4734 then msgsource#reset
;
4737 G.postRedisplay "msgs";
4740 let quickbookmark ?title
() =
4741 match state.layout with
4747 let sec = Unix.gettimeofday
() in
4748 let tm = Unix.localtime
sec in
4749 Printf.sprintf
"Quick (page %d) (bookmarked at %d/%d/%d %d:%d)"
4753 (tm.Unix.tm_year
+ 1900)
4756 | Some
title -> title
4758 state.bookmarks
<- (title, 0, getanchor1 l) :: state.bookmarks
4765 let setautoscrollspeed step goingdown
=
4766 let incr = max
1 ((abs step
) / 2) in
4767 let incr = if goingdown
then incr else -incr in
4768 let astep = step
+ incr in
4769 state.autoscroll
<- Some
astep;
4772 let gotounder = function
4773 | Ulinkgoto
(pageno, top) ->
4777 gotopage1 pageno top;
4783 | Uremote
(filename
, pageno) ->
4785 if Sys.file_exists filename
4788 let dir = Filename.dirname
state.path in
4789 let path = Filename.concat
dir filename
in
4790 if Sys.file_exists
path
4794 if String.length
path > 0
4796 let anchor = getanchor () in
4797 let ranchor = state.path, state.password
, anchor in
4798 state.anchor <- (pageno, 0.0, 0.0);
4799 state.ranchors
<- ranchor :: state.ranchors
;
4802 else showtext '
!'
("Could not find " ^ filename
)
4804 | Uunexpected
_ | Ulaunch
_ | Unamed
_ | Utext
_ | Unone
-> ()
4808 match conf.columns
with
4810 | _ -> state.x != 0 || conf.zoom > 1.0
4813 let existsinrow pageno (columns
, coverA
, coverB
) p =
4814 let last = ((pageno - coverA
) mod columns
) + columns
in
4815 let rec any = function
4818 if l.pageno = coverA
- 1 || l.pageno = state.pagecount
- coverB
4822 then (if l.pageno = last then false else any rest
)
4830 match state.layout with
4832 let pageno = page_of_y state.y in
4833 gotoghyll (getpagey (pageno+1))
4835 match conf.columns
with
4837 if conf.presentation
&& rest
== [] && l.pageh
> l.pagey + l.pagevh
4839 let y = clamp (pgscale state.winh
) in
4842 let pageno = min
(l.pageno+1) (state.pagecount
-1) in
4843 gotoghyll (getpagey pageno)
4844 | Cmulti
((c, _, _) as cl, _) ->
4845 if conf.presentation
4846 && (existsinrow l.pageno cl
4847 (fun l -> l.pageh
> l.pagey + l.pagevh))
4849 let y = clamp (pgscale state.winh
) in
4852 let pageno = min
(l.pageno+c) (state.pagecount
-1) in
4853 gotoghyll (getpagey pageno)
4855 if l.pageno < state.pagecount
- 1 || l.pagecol
< n - 1
4857 let pagey, pageh
= getpageyh l.pageno in
4858 let pagey = pagey + pageh
* l.pagecol
in
4859 let ips = if l.pagecol
= 0 then 0 else conf.interpagespace
in
4860 gotoghyll (pagey + pageh
+ ips)
4864 match state.layout with
4866 let pageno = page_of_y state.y in
4867 gotoghyll (getpagey (pageno-1))
4869 match conf.columns
with
4871 if conf.presentation
&& l.pagey != 0
4873 gotoghyll (clamp (pgscale ~
-(state.winh
)))
4875 let pageno = max
0 (l.pageno-1) in
4876 gotoghyll (getpagey pageno)
4877 | Cmulti
((c, _, coverB
) as cl, _) ->
4878 if conf.presentation
&&
4879 (existsinrow l.pageno cl (fun l -> l.pagey != 0))
4881 gotoghyll (clamp (pgscale ~
-(state.winh
)))
4884 if l.pageno = state.pagecount
- coverB
4888 let pageno = max
0 (l.pageno-decr) in
4889 gotoghyll (getpagey pageno)
4897 let pageno = max
0 (l.pageno-1) in
4898 let pagey, pageh
= getpageyh pageno in
4901 let pagey, pageh
= getpageyh l.pageno in
4902 pagey + pageh
* (l.pagecol
-1) - conf.interpagespace
4907 let viewkeyboard key mask
=
4909 let mode = state.mode in
4910 state.mode <- Textentry
(te, fun _ -> state.mode <- mode);
4913 G.postRedisplay "view:enttext"
4915 let ctrl = Wsi.withctrl mask
in
4917 if key >= 0xffb0 && key < 0xffb9 then key - 0xffb0 + 48 else key
4923 | 0xff63 -> (* insert *)
4924 if conf.angle
mod 360 = 0 && not
(isbirdseye state.mode)
4926 state.mode <- LinkNav
(Ltgendir
0);
4929 else showtext '
!'
"Keyboard link navigation does not work under rotation"
4931 | 0xff1b | 113 -> (* escape / q *)
4932 begin match state.mstate
with
4934 state.mstate
<- Mnone
;
4935 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
4936 G.postRedisplay "kill zoom rect";
4938 begin match state.mode with
4941 G.postRedisplay "esc leave linknav"
4943 match state.ranchors
with
4945 | (path, password
, anchor) :: rest
->
4946 state.ranchors
<- rest
;
4947 state.anchor <- anchor;
4948 opendoc path password
4952 | 0xff08 -> (* backspace *)
4953 gotoghyll (getnav ~
-1)
4961 G.postRedisplay "dehighlight";
4963 | 47 | 63 -> (* / ? *)
4964 let ondone isforw
s =
4965 cbput state.hists
.pat
s;
4966 state.searchpattern
<- s;
4969 let s = String.create
1 in
4970 s.[0] <- Char.chr
key;
4971 enttext (s, "", Some
(onhist state.hists
.pat
),
4972 textentry, ondone (key = 47), true)
4974 | 43 | 0xffab | 61 when ctrl -> (* ctrl-+ or ctrl-= *)
4975 let incr = if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01 in
4976 setzoom (conf.zoom +. incr)
4978 | 43 | 0xffab -> (* + *)
4981 try int_of_string
s with exc
->
4982 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
);
4988 state.text <- "page bias is now " ^ string_of_int
n;
4991 enttext ("page bias: ", "", None
, intentry, ondone, true)
4993 | 45 | 0xffad when ctrl -> (* ctrl-- *)
4994 let decr = if conf.zoom -. 0.1 < 0.1 then 0.01 else 0.1 in
4995 setzoom (max
0.01 (conf.zoom -. decr))
4997 | 45 | 0xffad -> (* - *)
4998 let ondone msg
= state.text <- msg
in
5000 "option [acfhilpstvxACFPRSZTIS]: ", "", None
,
5001 optentry state.mode, ondone, true
5004 | 48 when ctrl -> (* ctrl-0 *)
5009 if state.w <= state.winw
- state.scrollw
5017 | 49 when ctrl -> (* ctrl-1 *)
5019 match conf.columns
with
5020 | Csingle
_ | Cmulti
_ -> 1
5021 | Csplit
(n, _) -> n
5023 let zoom = zoomforh
state.winw
state.winh
state.scrollw
cols in
5027 | 0xffc6 -> (* f9 *)
5030 | 57 when ctrl -> (* ctrl-9 *)
5033 | (48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57)
5034 when not
ctrl -> (* 0..9 *)
5037 try int_of_string
s with exc
->
5038 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
);
5044 cbput state.hists
.pag
(string_of_int
n);
5045 gotopage1 (n + conf.pagebias
- 1) 0;
5048 let pageentry text key =
5049 match Char.unsafe_chr
key with
5050 | '
g'
-> TEdone
text
5051 | _ -> intentry text key
5053 let text = "x" in text.[0] <- Char.chr
key;
5054 enttext (":", text, Some
(onhist state.hists
.pag
), pageentry, ondone, true)
5057 state.scrollw
<- if state.scrollw
> 0 then 0 else conf.scrollbw
;
5058 reshape state.winw
state.winh
;
5061 conf.hlinks
<- not
conf.hlinks
;
5062 state.text <- "highlightlinks " ^
if conf.hlinks
then "on" else "off";
5063 G.postRedisplay "toggle highlightlinks";
5066 state.glinks
<- true;
5067 let mode = state.mode in
5068 state.mode <- Textentry
(
5069 (":", "", None
, linknentry, linkndone gotounder, false),
5071 state.glinks
<- false;
5075 G.postRedisplay "view:linkent(F)"
5078 state.glinks
<- true;
5079 let mode = state.mode in
5080 state.mode <- Textentry
(
5081 (":", "", None
, linknentry, linkndone (fun under ->
5082 match Ne.pipe () with
5084 showtext '
!'
(Printf.sprintf
"pipe failed: %s" (exntos exn
))
5087 try popen conf.selcmd
[r, 0; w, -1]; true
5090 (Printf.sprintf
"failed to execute %s: %s"
5091 conf.selcmd
(exntos exn
));
5095 Ne.clo fd
(fun msg
->
5096 showtext '
!'
(Printf.sprintf
"failed to close %s: %s" cap msg
)
5099 let s = undertext under in
5103 let l = String.length
s in
5104 let n = tempfailureretry
(Unix.write
w s 0) l in
5109 "failed to write %d characters to sel pipe, wrote %d"
5114 (Printf.sprintf
"failed to write to sel pipe: %s"
5124 state.glinks
<- false;
5128 G.postRedisplay "view:linkent"
5131 begin match state.autoscroll
with
5133 conf.autoscrollstep
<- step
;
5134 state.autoscroll
<- None
5136 if conf.autoscrollstep
= 0
5137 then state.autoscroll
<- Some
1
5138 else state.autoscroll
<- Some
conf.autoscrollstep
5141 | 112 when ctrl -> (* ctrl-p *)
5145 setpresentationmode (not
conf.presentation
);
5146 showtext ' '
("presentation mode " ^
5147 if conf.presentation
then "on" else "off");
5150 if List.mem
Wsi.Fullscreen
state.winstate
5151 then doreshape conf.cwinw
conf.cwinh
5152 else Wsi.fullscreen
()
5154 | 112 | 78 -> (* p|N *)
5155 search state.searchpattern
false
5157 | 110 | 0xffc0 -> (* n|F3 *)
5158 search state.searchpattern
true
5161 begin match state.layout with
5164 gotoghyll (getpagey l.pageno)
5170 | 0xff9f | 0xffff -> (* delete *)
5174 showtext ' '
(describe_location ());
5177 begin match state.layout with
5180 doreshape (l.pagew
+ state.scrollw
) l.pageh
;
5185 enterbookmarkmode ()
5187 | 104 | 0xffbe -> (* h|F1 *)
5193 | 101 when Buffer.length
state.errmsgs
> 0 -> (* e *)
5198 match state.layout with
5200 if String.length
s > 0
5202 state.bookmarks
<- (s, 0, getanchor1 l) :: state.bookmarks
5205 enttext ("bookmark: ", "", None
, textentry, ondone, true)
5209 showtext ' '
"Quick bookmark added";
5212 begin match state.layout with
5214 let rect = getpdimrect
l.pagedimno
in
5218 (truncate
(1.8 *. (rect.(1) -. rect.(0))),
5219 truncate
(1.2 *. (rect.(3) -. rect.(0))))
5221 (truncate
(rect.(1) -. rect.(0)),
5222 truncate
(rect.(3) -. rect.(0)))
5224 let w = truncate
((float w)*.conf.zoom)
5225 and h = truncate
((float h)*.conf.zoom) in
5228 state.anchor <- getanchor ();
5229 doreshape (w + state.scrollw
) (h + conf.interpagespace
)
5231 G.postRedisplay "z";
5236 | 50 when ctrl -> (* ctrl-2 *)
5237 let maxw = getmaxw
() in
5239 then setzoom (maxw /. float state.winw
)
5241 | 60 | 62 -> (* < > *)
5242 reqlayout (conf.angle
+ (if key = 62 then 30 else -30)) conf.proportional
5244 | 91 | 93 -> (* [ ] *)
5246 bound (conf.colorscale
+. (if key = 93 then 0.1 else -0.1)) 0.0 1.0
5248 G.postRedisplay "brightness";
5250 | 99 when state.mode = View
-> (* c *)
5252 match state.prevcolumns
with
5253 | None
-> (1, 0, 0), 1.0
5254 | Some
(columns
, z
) ->
5257 | Csplit
(c, _) -> -c, 0, 0
5258 | Cmulti
((c, a, b), _) -> c, a, b
5259 | Csingle
_ -> 1, 0, 0
5263 setcolumns View
c a b;
5266 | 0xff54 | 0xff52 when ctrl && Wsi.withshift mask
->
5267 setzoom state.prevzoom
5269 | 107 | 0xff52 | 0xff97 -> (* k (kp) up *)
5270 begin match state.autoscroll
with
5272 begin match state.mode with
5273 | Birdseye beye
-> upbirdseye 1 beye
5276 then gotoy_and_clear_text (clamp ~
-(state.winh
/2))
5277 else gotoy_and_clear_text (clamp (-conf.scrollstep
))
5280 setautoscrollspeed n false
5283 | 106 | 0xff54 | 0xff99 -> (* j (kp) down *)
5284 begin match state.autoscroll
with
5286 begin match state.mode with
5287 | Birdseye beye
-> downbirdseye 1 beye
5290 then gotoy_and_clear_text (clamp (state.winh
/2))
5291 else gotoy_and_clear_text (clamp conf.scrollstep
)
5294 setautoscrollspeed n true
5297 | 0xff51 | 0xff53 | 0xff96 | 0xff98
5298 when not
(Wsi.withalt mask
) -> (* (kp) left / right *)
5304 else conf.hscrollstep
5306 let dx = if key = 0xff51 or key = 0xff96 then dx else -dx in
5307 state.x <- state.x + dx;
5308 gotoy_and_clear_text state.y
5311 G.postRedisplay "lef/right"
5314 | 0xff55 | 0xff9a -> (* (kp) prior *)
5318 match state.layout with
5320 | l :: _ -> state.y - l.pagey
5322 clamp (pgscale (-state.winh
))
5326 | 0xff56 | 0xff9b -> (* (kp) next *)
5330 match List.rev
state.layout with
5332 | l :: _ -> getpagey l.pageno
5334 clamp (pgscale state.winh
)
5338 | 103 | 0xff50 | 0xff95 -> (* g (kp) home *)
5340 | 71 | 0xff57 | 0xff9c -> (* G (kp) end *)
5341 gotoghyll (clamp state.maxy)
5344 when Wsi.withalt mask
-> (* alt-(kp) right *)
5345 gotoghyll (getnav 1)
5347 when Wsi.withalt mask
-> (* alt-(kp) left *)
5348 gotoghyll (getnav ~
-1)
5353 | 118 when conf.debug
-> (* v *)
5356 match getopaque l.pageno with
5359 let x0, y0, x1, y1 = pagebbox opaque
in
5360 let a,b = float x0, float y0 in
5361 let c,d = float x1, float y0 in
5362 let e,f = float x1, float y1 in
5363 let h,j
= float x0, float y1 in
5364 let rect = (a,b,c,d,e,f,h,j
) in
5366 state.rects
<- (l.pageno, l.pageno mod 3, rect) :: state.rects
;
5368 G.postRedisplay "v";
5371 vlog "huh? %s" (Wsi.keyname
key)
5374 let linknavkeyboard key mask
linknav =
5375 let getpage pageno =
5376 let rec loop = function
5378 | l :: _ when l.pageno = pageno -> Some
l
5379 | _ :: rest
-> loop rest
5380 in loop state.layout
5382 let doexact (pageno, n) =
5383 match getopaque pageno, getpage pageno with
5384 | Some opaque
, Some
l ->
5385 if key = 0xff0d || key = 0xff8d (* (kp)enter *)
5387 let under = getlink opaque
n in
5388 G.postRedisplay "link gotounder";
5394 | 0xff50 -> (* home *)
5395 Some
(findlink opaque LDfirst
), -1
5397 | 0xff57 -> (* end *)
5398 Some
(findlink opaque LDlast
), 1
5400 | 0xff51 -> (* left *)
5401 Some
(findlink opaque
(LDleft
n)), -1
5403 | 0xff53 -> (* right *)
5404 Some
(findlink opaque
(LDright
n)), 1
5406 | 0xff52 -> (* up *)
5407 Some
(findlink opaque
(LDup
n)), -1
5409 | 0xff54 -> (* down *)
5410 Some
(findlink opaque
(LDdown
n)), 1
5415 begin match findpwl
l.pageno dir with
5419 state.mode <- LinkNav
(Ltgendir
dir);
5420 let y, h = getpageyh pageno in
5423 then y + h - state.winh
5428 begin match getopaque pageno, getpage pageno with
5429 | Some opaque
, Some
_ ->
5431 let ld = if dir > 0 then LDfirst
else LDlast
in
5434 begin match link with
5436 showlinktype (getlink opaque
m);
5437 state.mode <- LinkNav
(Ltexact
(pageno, m));
5438 G.postRedisplay "linknav jpage";
5445 begin match opt with
5446 | Some Lnotfound
-> pwl l dir;
5447 | Some
(Lfound
m) ->
5451 let _, y0, _, y1 = getlinkrect opaque
m in
5453 then gotopage1 l.pageno y0
5455 let d = fstate.fontsize
+ 1 in
5456 if y1 - l.pagey > l.pagevh - d
5457 then gotopage1 l.pageno (y1 - state.winh
- state.hscrollh + d)
5458 else G.postRedisplay "linknav";
5460 showlinktype (getlink opaque
m);
5461 state.mode <- LinkNav
(Ltexact
(l.pageno, m));
5464 | None
-> viewkeyboard key mask
5466 | _ -> viewkeyboard key mask
5471 G.postRedisplay "leave linknav"
5475 | Ltgendir
_ -> viewkeyboard key mask
5476 | Ltexact exact
-> doexact exact
5479 let keyboard key mask
=
5480 if (key = 103 && Wsi.withctrl mask
) && not
(istextentry state.mode)
5481 then wcmd "interrupt"
5482 else state.uioh <- state.uioh#
key key mask
5485 let birdseyekeyboard key mask
5486 ((oconf
, leftx
, pageno, hooverpageno
, anchor) as beye
) =
5488 match conf.columns
with
5490 | Cmulti
((c, _, _), _) -> c
5491 | Csplit
_ -> failwith
"bird's eye split mode"
5493 let pgh layout = List.fold_left
(fun m l -> max
l.pageh
m) state.winh
layout in
5495 | 108 when Wsi.withctrl mask
-> (* ctrl-l *)
5496 let y, h = getpageyh pageno in
5497 let top = (state.winh
- h) / 2 in
5498 gotoy (max
0 (y - top))
5499 | 0xff0d (* enter *)
5500 | 0xff8d -> leavebirdseye beye
false (* kp enter *)
5501 | 0xff1b -> leavebirdseye beye
true (* escape *)
5502 | 0xff52 -> upbirdseye incr beye
(* up *)
5503 | 0xff54 -> downbirdseye incr beye
(* down *)
5504 | 0xff51 -> upbirdseye 1 beye
(* left *)
5505 | 0xff53 -> downbirdseye 1 beye
(* right *)
5507 | 0xff55 -> (* prior *)
5508 begin match state.layout with
5512 state.mode <- Birdseye
(
5513 oconf
, leftx
, l.pageno, hooverpageno
, anchor
5515 gotopage1 l.pageno 0;
5518 let layout = layout (state.y-state.winh
) (pgh state.layout) in
5520 | [] -> gotoy (clamp (-state.winh
))
5522 state.mode <- Birdseye
(
5523 oconf
, leftx
, l.pageno, hooverpageno
, anchor
5525 gotopage1 l.pageno 0
5528 | [] -> gotoy (clamp (-state.winh
))
5531 | 0xff56 -> (* next *)
5532 begin match List.rev
state.layout with
5534 let layout = layout (state.y + (pgh state.layout)) state.winh
in
5535 begin match layout with
5537 let incr = l.pageh
- l.pagevh in
5542 oconf
, leftx
, state.pagecount
- 1, hooverpageno
, anchor
5544 G.postRedisplay "birdseye pagedown";
5546 else gotoy (clamp (incr + conf.interpagespace
*2));
5550 Birdseye
(oconf
, leftx
, l.pageno, hooverpageno
, anchor);
5551 gotopage1 l.pageno 0;
5554 | [] -> gotoy (clamp state.winh
)
5557 | 0xff50 -> (* home *)
5558 state.mode <- Birdseye
(oconf
, leftx
, 0, hooverpageno
, anchor);
5561 | 0xff57 -> (* end *)
5562 let pageno = state.pagecount
- 1 in
5563 state.mode <- Birdseye
(oconf
, leftx
, pageno, hooverpageno
, anchor);
5564 if not
(pagevisible state.layout pageno)
5567 match List.rev
state.pdims
with
5569 | (_, _, h, _) :: _ -> h
5571 gotoy (max
0 (getpagey pageno - (state.winh
- h - conf.interpagespace
)))
5572 else G.postRedisplay "birdseye end";
5573 | _ -> viewkeyboard key mask
5576 let drawpage l linkindexbase
=
5578 match state.mode with
5579 | Textentry
_ -> scalecolor 0.4
5581 | View
-> scalecolor 1.0
5582 | Birdseye
(_, _, pageno, hooverpageno
, _) ->
5583 if l.pageno = hooverpageno
5586 if l.pageno = pageno
5592 begin match getopaque l.pageno with
5594 if tileready l l.pagex
l.pagey
5596 let x = l.pagedispx - l.pagex
5597 and y = l.pagedispy - l.pagey in
5599 match conf.columns
with
5600 | Csingle
_ | Cmulti
_ ->
5601 (if conf.hlinks
then 1 else 0)
5603 && not
(isbirdseye state.mode) then 2 else 0)
5607 match state.mode with
5608 | Textentry
((_, s, _, _, _, _), _) when state.glinks
-> s
5611 postprocess opaque
hlmask x y (linkindexbase
, s, conf.hfsize
);
5618 let scrollindicator () =
5619 let sbw, ph
, sh = state.uioh#
scrollph in
5620 let sbh, pw, sw = state.uioh#scrollpw
in
5622 GlDraw.color (0.64, 0.64, 0.64);
5624 (float (state.winw
- sbw), 0.)
5625 (float state.winw
, float state.winh
)
5628 (0., float (state.winh
- sbh))
5629 (float (state.winw
- state.scrollw
- 1), float state.winh
)
5631 GlDraw.color (0.0, 0.0, 0.0);
5634 (float (state.winw
- sbw), ph
)
5635 (float state.winw
, ph
+. sh)
5638 (pw, float (state.winh
- sbh))
5639 (pw +. sw, float state.winh
)
5644 match state.mstate
with
5645 | Mnone
| Mscrolly
| Mscrollx
| Mpan
_ | Mzoom
_ | Mzoomrect
_ ->
5648 | Msel
((x0, y0), (x1, y1)) ->
5649 let rec loop = function
5651 if ((y0 >= l.pagedispy && y0 <= (l.pagedispy + l.pagevh))
5652 || ((y1 >= l.pagedispy && y1 <= (l.pagedispy + l.pagevh))))
5653 && ((x0 >= l.pagedispx && x0 <= (l.pagedispx + l.pagevw))
5654 || ((x1 >= l.pagedispx && x1 <= (l.pagedispx + l.pagevw))))
5656 match getopaque l.pageno with
5658 let x0, y0 = pagetranslatepoint l x0 y0 in
5659 let x1, y1 = pagetranslatepoint l x1 y1 in
5660 seltext opaque
(x0, y0, x1, y1);
5668 let showrects rects
=
5670 GlDraw.color (0.0, 0.0, 1.0) ~alpha
:0.5;
5671 GlDraw.polygon_mode `both `fill
;
5672 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
5674 (fun (pageno, c, (x0, y0, x1, y1, x2
, y2
, x3
, y3
)) ->
5676 if l.pageno = pageno
5678 let dx = float (l.pagedispx - l.pagex
) in
5679 let dy = float (l.pagedispy - l.pagey) in
5680 GlDraw.color (0.0, 0.0, 1.0 /. float c) ~alpha
:0.5;
5681 GlDraw.begins `quads
;
5683 GlDraw.vertex2
(x0+.dx, y0+.dy);
5684 GlDraw.vertex2
(x1+.dx, y1+.dy);
5685 GlDraw.vertex2
(x2
+.dx, y2
+.dy);
5686 GlDraw.vertex2
(x3
+.dx, y3
+.dy);
5697 GlClear.color (scalecolor2 conf.bgcolor
);
5698 GlClear.clear
[`
color];
5699 let rec loop linkindexbase
= function
5701 let linkindexbase = linkindexbase + drawpage l linkindexbase in
5702 loop linkindexbase rest
5705 loop 0 state.layout;
5707 match state.mode with
5708 | LinkNav
(Ltexact
(pageno, linkno
)) ->
5709 begin match getopaque pageno with
5711 let x0, y0, x1, y1 = getlinkrect opaque linkno
in
5718 | None
-> state.rects
5725 begin match state.mstate
with
5726 | Mzoomrect
((x0, y0), (x1, y1)) ->
5728 GlDraw.color (0.3, 0.3, 0.3) ~alpha
:0.5;
5729 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
5730 GlDraw.rect (float x0, float y0)
5731 (float x1, float y1);
5740 let zoomrect x y x1 y1 =
5743 and y0 = min
y y1 in
5744 gotoy (state.y + y0);
5745 state.anchor <- getanchor ();
5746 let zoom = (float state.winw
*. conf.zoom) /. float (x1 - x0) in
5748 if state.w < state.winw
- state.scrollw
5749 then (state.winw
- state.scrollw
- state.w) / 2
5752 state.x <- (state.x + margin) - x0;
5754 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5755 state.mstate
<- Mnone
;
5759 let winw = state.winw - state.scrollw
- 1 in
5760 let s = float x /. float winw in
5761 let destx = truncate
(float (state.w + winw) *. s) in
5762 state.x <- winw - destx;
5763 gotoy_and_clear_text state.y;
5764 state.mstate
<- Mscrollx
;
5768 let s = float y /. float state.winh
in
5769 let desty = truncate
(float (state.maxy - state.winh
) *. s) in
5770 gotoy_and_clear_text desty;
5771 state.mstate
<- Mscrolly
;
5774 let viewmouse button down
x y mask
=
5776 | n when (n == 4 || n == 5) && not down
->
5777 if Wsi.withctrl mask
5779 match state.mstate
with
5780 | Mzoom
(oldn
, i
) ->
5788 if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01
5790 if conf.zoom -. 0.1 < 0.1 then -0.01 else -0.1
5792 let zoom = conf.zoom -. incr in
5794 state.mstate
<- Mzoom
(n, 0);
5796 state.mstate
<- Mzoom
(n, i
+1);
5798 else state.mstate
<- Mzoom
(n, 0)
5800 | _ -> state.mstate
<- Mzoom
(n, 0)
5803 match state.autoscroll
with
5804 | Some step
-> setautoscrollspeed step
(n=4)
5815 then -conf.scrollstep
5816 else conf.scrollstep
5818 let incr = incr * 2 in
5819 let y = clamp incr in
5820 gotoy_and_clear_text y
5823 | n when (n = 6 || n = 7) && not down
&& canpan () ->
5824 state.x <- state.x + (if n = 7 then -2 else 2) * conf.hscrollstep
;
5825 gotoy_and_clear_text state.y
5827 | 1 when Wsi.withshift mask
->
5828 state.mstate
<- Mnone
;
5830 match unproject x y with
5831 | Some
(pageno, ux
, uy
) ->
5832 let cmd = Printf.sprintf
5834 conf.stcmd
state.path pageno ux uy
5840 | 1 when Wsi.withctrl mask
->
5843 Wsi.setcursor
Wsi.CURSOR_CROSSHAIR
;
5844 state.mstate
<- Mpan
(x, y)
5847 state.mstate
<- Mnone
5852 Wsi.setcursor
Wsi.CURSOR_CYCLE
;
5854 state.mstate
<- Mzoomrect
(p, p)
5857 match state.mstate
with
5858 | Mzoomrect
((x0, y0), _) ->
5859 if abs
(x-x0) > 10 && abs
(y - y0) > 10
5860 then zoomrect x0 y0 x y
5862 state.mstate
<- Mnone
;
5863 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5864 G.postRedisplay "kill accidental zoom rect";
5867 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5868 state.mstate
<- Mnone
5871 | 1 when x > state.winw - state.scrollw
->
5874 let _, position, sh = state.uioh#
scrollph in
5875 if y > truncate
position && y < truncate
(position +. sh)
5876 then state.mstate
<- Mscrolly
5879 state.mstate
<- Mnone
5881 | 1 when y > state.winh
- state.hscrollh ->
5884 let _, position, sw = state.uioh#scrollpw
in
5885 if x > truncate
position && x < truncate
(position +. sw)
5886 then state.mstate
<- Mscrollx
5889 state.mstate
<- Mnone
5892 let dest = if down
then getunder x y else Unone
in
5893 begin match dest with
5897 | Uunexpected
_ | Ulaunch
_ | Unamed
_ ->
5900 | Unone
when down
->
5901 Wsi.setcursor
Wsi.CURSOR_CROSSHAIR
;
5902 state.mstate
<- Mpan
(x, y);
5904 | Unone
| Utext
_ ->
5907 if conf.angle
mod 360 = 0
5909 state.mstate
<- Msel
((x, y), (x, y));
5910 G.postRedisplay "mouse select";
5914 match state.mstate
with
5917 | Mzoom
_ | Mscrollx
| Mscrolly
->
5918 state.mstate
<- Mnone
5920 | Mzoomrect
((x0, y0), _) ->
5924 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5925 state.mstate
<- Mnone
5927 | Msel
((x0, y0), (x1, y1)) ->
5928 let rec loop = function
5932 let a0 = l.pagedispy in
5933 let a1 = a0 + l.pagevh in
5934 let b0 = l.pagedispx in
5935 let b1 = b0 + l.pagevw in
5936 ((y0 >= a0 && y0 <= a1) || (y1 >= a0 && y1 <= a1))
5937 && ((x0 >= b0 && x0 <= b1) || (x1 >= b0 && x1 <= b1))
5941 match getopaque l.pageno with
5944 match Ne.pipe () with
5948 "can not create sel pipe: %s"
5951 let doclose what fd
=
5952 Ne.clo fd
(fun msg
->
5953 dolog
"%s close failed: %s" what msg
)
5956 popen conf.selcmd
[r, 0; w, -1];
5959 G.postRedisplay "copysel";
5961 dolog
"can not execute %S: %s"
5962 conf.selcmd
(exntos exn
);
5970 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5971 state.mstate
<- Mnone
;
5978 let birdseyemouse button down
x y mask
5979 (conf, leftx
, _, hooverpageno
, anchor) =
5982 let rec loop = function
5985 if y > l.pagedispy && y < l.pagedispy + l.pagevh
5986 && x > l.pagedispx && x < l.pagedispx + l.pagevw
5988 leavebirdseye (conf, leftx
, l.pageno, hooverpageno
, anchor) false;
5994 | _ -> viewmouse button down
x y mask
5997 let mouse button down
x y mask
=
5998 state.uioh <- state.uioh#button button down
x y mask
;
6002 state.uioh <- state.uioh#
motion x y
6006 state.uioh <- state.uioh#
pmotion x y;
6012 method key key mask
=
6013 begin match state.mode with
6014 | Textentry
textentry -> textentrykeyboard key mask
textentry
6015 | Birdseye
birdseye -> birdseyekeyboard key mask
birdseye
6016 | View
-> viewkeyboard key mask
6017 | LinkNav
linknav -> linknavkeyboard key mask
linknav
6021 method button button bstate
x y mask
=
6022 begin match state.mode with
6024 | View
-> viewmouse button bstate
x y mask
6025 | Birdseye beye
-> birdseyemouse button bstate
x y mask beye
6031 begin match state.mode with
6033 | View
| Birdseye
_ | LinkNav
_ ->
6034 match state.mstate
with
6035 | Mzoom
_ | Mnone
-> ()
6040 state.mstate
<- Mpan
(x, y);
6042 then state.x <- state.x + dx;
6044 gotoy_and_clear_text y
6047 state.mstate
<- Msel
(a, (x, y));
6048 G.postRedisplay "motion select";
6051 let y = min
state.winh
(max
0 y) in
6055 let x = min
state.winw (max
0 x) in
6058 | Mzoomrect
(p0
, _) ->
6059 state.mstate
<- Mzoomrect
(p0
, (x, y));
6060 G.postRedisplay "motion zoomrect";
6064 method pmotion x y =
6065 begin match state.mode with
6066 | Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor) ->
6067 let rec loop = function
6069 if hooverpageno
!= -1
6071 state.mode <- Birdseye
(conf, leftx
, pageno, -1, anchor);
6072 G.postRedisplay "pmotion birdseye no hoover";
6075 if y > l.pagedispy && y < l.pagedispy + l.pagevh
6076 && x > l.pagedispx && x < l.pagedispx + l.pagevw
6078 state.mode <- Birdseye
(conf, leftx
, pageno, l.pageno, anchor);
6079 G.postRedisplay "pmotion birdseye hoover";
6089 match state.mstate
with
6090 | Mnone
-> updateunder x y
6091 | Mpan
_ | Msel
_ | Mzoom
_ | Mscrolly
| Mscrollx
| Mzoomrect
_ ->
6096 method infochanged
_ = ()
6099 let maxy = state.maxy - (if conf.maxhfit
then state.winh
else 0) in
6100 let p, h = scrollph state.y maxy in
6104 let winw = state.winw - state.scrollw
- 1 in
6105 let fwinw = float winw in
6107 let sw = fwinw /. float state.w in
6108 let sw = fwinw *. sw in
6109 max
sw (float conf.scrollh
)
6112 let f = state.w+winw in
6113 let r = float (winw-state.x) /. float f in
6114 let p = fwinw *. r in
6118 if position +. sw > fwinw
6119 then fwinw -. position
6122 state.hscrollh, position, sw
6126 match state.mode with
6127 | LinkNav
_ -> "links"
6128 | Textentry
_ -> "textentry"
6129 | Birdseye
_ -> "birdseye"
6132 findkeyhash conf modename
6139 let fontpath = ref "";;
6142 Map.Make
(struct type t
= (int * int) let compare = compare end);;
6145 let l = String.length
s in
6146 let b = Buffer.create
l in
6152 try Sys.getenv
"HOME"
6155 ("Can not determine home directory location: " ^ exntos exn
);
6159 let modifier_of_string = function
6160 | "alt" -> Wsi.altmask
6161 | "shift" -> Wsi.shiftmask
6162 | "ctrl" | "control" -> Wsi.ctrlmask
6163 | "meta" -> Wsi.metamask
6168 let r = Str.regexp
"-" in
6170 let elems = Str.full_split
r s in
6173 let m1 = modifier_of_string s in
6175 then (Wsi.namekey
s, m)
6178 | Str.Delim
s when n land 1 = 0 -> g s
6180 | Str.Delim
_ -> (k
, m)
6182 let rec loop n k
m = function
6185 let k, m = f n k m x in
6191 let keys_of_string =
6192 let r = Str.regexp
"[ \t]" in
6194 let elems = Str.split
r s in
6195 List.map
key_of_string elems
6198 let copykeyhashes c =
6199 List.map
(fun (k, v) -> k, Hashtbl.copy
v) c.keyhashes
;
6202 let config_of c attrs
=
6206 | "scroll-bar-width" -> { c with scrollbw
= max
0 (int_of_string
v) }
6207 | "scroll-handle-height" -> { c with scrollh
= max
0 (int_of_string
v) }
6208 | "case-insensitive-search" -> { c with icase
= bool_of_string
v }
6209 | "preload" -> { c with preload = bool_of_string
v }
6210 | "page-bias" -> { c with pagebias
= int_of_string
v }
6211 | "scroll-step" -> { c with scrollstep
= max
1 (int_of_string
v) }
6212 | "horizontal-scroll-step" ->
6213 { c with hscrollstep
= max
(int_of_string
v) 1 }
6214 | "auto-scroll-step" ->
6215 { c with autoscrollstep
= max
0 (int_of_string
v) }
6216 | "max-height-fit" -> { c with maxhfit
= bool_of_string
v }
6217 | "crop-hack" -> { c with crophack
= bool_of_string
v }
6220 match String.lowercase
v with
6221 | "true" -> Some infinity
6223 | f -> Some
(float_of_string
f)
6225 { c with maxwait
= mw}
6226 | "highlight-links" -> { c with hlinks
= bool_of_string
v }
6227 | "under-cursor-info" -> { c with underinfo
= bool_of_string
v }
6228 | "vertical-margin" ->
6229 { c with interpagespace
= max
0 (int_of_string
v) }
6231 let zoom = float_of_string
v /. 100. in
6232 let zoom = max
zoom 0.0 in
6233 { c with zoom = zoom }
6234 | "presentation" -> { c with presentation
= bool_of_string
v }
6235 | "rotation-angle" -> { c with angle
= int_of_string
v }
6236 | "width" -> { c with cwinw
= max
20 (int_of_string
v) }
6237 | "height" -> { c with cwinh
= max
20 (int_of_string
v) }
6238 | "persistent-bookmarks" -> { c with savebmarks
= bool_of_string
v }
6239 | "proportional-display" -> { c with proportional
= bool_of_string
v }
6240 | "pixmap-cache-size" ->
6241 { c with memlimit
= max
2 (int_of_string_with_suffix v) }
6242 | "tex-count" -> { c with texcount
= max
1 (int_of_string
v) }
6243 | "slice-height" -> { c with sliceheight
= max
2 (int_of_string
v) }
6244 | "thumbnail-width" -> { c with thumbw
= max
2 (int_of_string
v) }
6245 | "persistent-location" -> { c with jumpback
= bool_of_string
v }
6246 | "background-color" -> { c with bgcolor
= color_of_string v }
6247 | "scrollbar-in-presentation" ->
6248 { c with scrollbarinpm
= bool_of_string
v }
6249 | "tile-width" -> { c with tilew
= max
2 (int_of_string
v) }
6250 | "tile-height" -> { c with tileh
= max
2 (int_of_string
v) }
6251 | "mupdf-store-size" ->
6252 { c with mustoresize
= max
1024 (int_of_string_with_suffix v) }
6253 | "checkers" -> { c with checkers
= bool_of_string
v }
6254 | "aalevel" -> { c with aalevel
= max
0 (int_of_string
v) }
6255 | "trim-margins" -> { c with trimmargins
= bool_of_string
v }
6256 | "trim-fuzz" -> { c with trimfuzz
= irect_of_string v }
6257 | "uri-launcher" -> { c with urilauncher
= unent v }
6258 | "path-launcher" -> { c with pathlauncher
= unent v }
6259 | "color-space" -> { c with colorspace
= colorspace_of_string v }
6260 | "invert-colors" -> { c with invert
= bool_of_string
v }
6261 | "brightness" -> { c with colorscale
= float_of_string
v }
6262 | "redirectstderr" -> { c with redirectstderr = bool_of_string
v }
6264 { c with ghyllscroll
= Some
(ghyllscroll_of_string v) }
6266 let (n, _, _) as nab
= multicolumns_of_string v in
6268 then { c with columns
= Csplit
(-n, [||]) }
6269 else { c with columns
= Cmulti
(nab
, [||]) }
6270 | "birds-eye-columns" ->
6271 { c with beyecolumns
= Some
(max
(int_of_string
v) 2) }
6272 | "selection-command" -> { c with selcmd
= unent v }
6273 | "synctex-command" -> { c with stcmd
= unent v }
6274 | "update-cursor" -> { c with updatecurs
= bool_of_string
v }
6275 | "hint-font-size" -> { c with hfsize
= bound (int_of_string
v) 5 100 }
6276 | "page-scroll-scale" -> { c with pgscale = float_of_string
v }
6277 | "use-pbo" -> { c with usepbo
= bool_of_string
v }
6278 | "wheel-scrolls-pages" -> { c with wheelbypage
= bool_of_string
v }
6281 prerr_endline
("Error processing attribute (`" ^
6282 k ^
"'=`" ^
v ^
"'): " ^ exntos exn
);
6285 let rec fold c = function
6288 let c = apply c k v in
6291 fold { c with keyhashes
= copykeyhashes c } attrs
;
6294 let fromstring f pos
n v d =
6297 dolog
"Error processing attribute (%S=%S) at %d\n%s"
6298 n v pos
(exntos exn
)
6303 let bookmark_of attrs
=
6304 let rec fold title page
rely visy
= function
6305 | ("title", v) :: rest
-> fold v page
rely visy rest
6306 | ("page", v) :: rest
-> fold title v rely visy rest
6307 | ("rely", v) :: rest
-> fold title page
v visy rest
6308 | ("visy", v) :: rest
-> fold title page
rely v rest
6309 | _ :: rest
-> fold title page
rely visy rest
6310 | [] -> title, page
, rely, visy
6312 fold "invalid" "0" "0" "0" attrs
6316 let rec fold path page
rely pan visy
= function
6317 | ("path", v) :: rest
-> fold v page
rely pan visy rest
6318 | ("page", v) :: rest
-> fold path v rely pan visy rest
6319 | ("rely", v) :: rest
-> fold path page
v pan visy rest
6320 | ("pan", v) :: rest
-> fold path page
rely v visy rest
6321 | ("visy", v) :: rest
-> fold path page
rely pan
v rest
6322 | _ :: rest
-> fold path page
rely pan visy rest
6323 | [] -> path, page
, rely, pan
, visy
6325 fold "" "0" "0" "0" "0" attrs
6329 let rec fold rs ls
= function
6330 | ("out", v) :: rest
-> fold v ls rest
6331 | ("in", v) :: rest
-> fold rs
v rest
6332 | _ :: rest
-> fold ls rs rest
6338 let setconf dst
src =
6339 dst
.scrollbw
<- src.scrollbw
;
6340 dst
.scrollh
<- src.scrollh
;
6341 dst
.icase
<- src.icase
;
6342 dst
.preload <- src.preload;
6343 dst
.pagebias
<- src.pagebias
;
6344 dst
.verbose
<- src.verbose
;
6345 dst
.scrollstep
<- src.scrollstep
;
6346 dst
.maxhfit
<- src.maxhfit
;
6347 dst
.crophack
<- src.crophack
;
6348 dst
.autoscrollstep
<- src.autoscrollstep
;
6349 dst
.maxwait
<- src.maxwait
;
6350 dst
.hlinks
<- src.hlinks
;
6351 dst
.underinfo
<- src.underinfo
;
6352 dst
.interpagespace
<- src.interpagespace
;
6353 dst
.zoom <- src.zoom;
6354 dst
.presentation
<- src.presentation
;
6355 dst
.angle
<- src.angle
;
6356 dst
.cwinw
<- src.cwinw
;
6357 dst
.cwinh
<- src.cwinh
;
6358 dst
.savebmarks
<- src.savebmarks
;
6359 dst
.memlimit
<- src.memlimit
;
6360 dst
.proportional
<- src.proportional
;
6361 dst
.texcount
<- src.texcount
;
6362 dst
.sliceheight
<- src.sliceheight
;
6363 dst
.thumbw
<- src.thumbw
;
6364 dst
.jumpback
<- src.jumpback
;
6365 dst
.bgcolor
<- src.bgcolor
;
6366 dst
.scrollbarinpm
<- src.scrollbarinpm
;
6367 dst
.tilew
<- src.tilew
;
6368 dst
.tileh
<- src.tileh
;
6369 dst
.mustoresize
<- src.mustoresize
;
6370 dst
.checkers
<- src.checkers
;
6371 dst
.aalevel
<- src.aalevel
;
6372 dst
.trimmargins
<- src.trimmargins
;
6373 dst
.trimfuzz
<- src.trimfuzz
;
6374 dst
.urilauncher
<- src.urilauncher
;
6375 dst
.colorspace
<- src.colorspace
;
6376 dst
.invert
<- src.invert
;
6377 dst
.colorscale
<- src.colorscale
;
6378 dst
.redirectstderr <- src.redirectstderr;
6379 dst
.ghyllscroll
<- src.ghyllscroll
;
6380 dst
.columns
<- src.columns
;
6381 dst
.beyecolumns
<- src.beyecolumns
;
6382 dst
.selcmd
<- src.selcmd
;
6383 dst
.updatecurs
<- src.updatecurs
;
6384 dst
.pathlauncher
<- src.pathlauncher
;
6385 dst
.keyhashes
<- copykeyhashes src;
6386 dst
.hfsize
<- src.hfsize
;
6387 dst
.hscrollstep
<- src.hscrollstep
;
6388 dst
.pgscale <- src.pgscale;
6389 dst
.usepbo
<- src.usepbo
;
6390 dst
.wheelbypage
<- src.wheelbypage
;
6391 dst
.stcmd
<- src.stcmd
;
6395 let h = Hashtbl.create
10 in
6396 let dc = { defconf with angle
= defconf.angle
} in
6397 let rec toplevel v t spos
_ =
6399 | Vdata
| Vcdata
| Vend
-> v
6400 | Vopen
("llppconfig", _, closed
) ->
6403 else { v with f = llppconfig
}
6405 error
"unexpected subelement at top level" s spos
6406 | Vclose
_ -> error
"unexpected close at top level" s spos
6408 and llppconfig
v t spos
_ =
6410 | Vdata
| Vcdata
-> v
6411 | Vend
-> error
"unexpected end of input in llppconfig" s spos
6412 | Vopen
("defaults", attrs
, closed
) ->
6413 let c = config_of dc attrs
in
6417 else { v with f = defaults
}
6419 | Vopen
("ui-font", attrs
, closed
) ->
6420 let rec getsize size
= function
6422 | ("size", v) :: rest
->
6424 fromstring int_of_string spos
"size" v fstate.fontsize
in
6426 | l -> getsize size l
6428 fstate.fontsize
<- getsize fstate.fontsize attrs
;
6431 else { v with f = uifont
(Buffer.create
10) }
6433 | Vopen
("doc", attrs
, closed
) ->
6434 let pathent, spage
, srely
, span
, svisy
= doc_of attrs
in
6435 let path = unent pathent
6436 and pageno = fromstring int_of_string spos
"page" spage
0
6437 and rely = fromstring float_of_string spos
"rely" srely
0.0
6438 and pan
= fromstring int_of_string spos
"pan" span
0
6439 and visy
= fromstring float_of_string spos
"visy" svisy
0.0 in
6440 let c = config_of dc attrs
in
6441 let anchor = (pageno, rely, visy
) in
6443 then (Hashtbl.add
h path (c, [], pan
, anchor); v)
6444 else { v with f = doc
path pan
anchor c [] }
6447 error
"unexpected subelement in llppconfig" s spos
6449 | Vclose
"llppconfig" -> { v with f = toplevel }
6450 | Vclose
_ -> error
"unexpected close in llppconfig" s spos
6452 and defaults
v t spos
_ =
6454 | Vdata
| Vcdata
-> v
6455 | Vend
-> error
"unexpected end of input in defaults" s spos
6456 | Vopen
("keymap", attrs
, closed
) ->
6458 try List.assoc
"mode" attrs
6459 with Not_found
-> "global" in
6464 let h = findkeyhash dc modename in
6465 KeyMap.iter
(Hashtbl.replace
h) keymap
;
6468 { v with f = pkeymap
ret KeyMap.empty }
6470 | Vopen
(_, _, _) ->
6471 error
"unexpected subelement in defaults" s spos
6473 | Vclose
"defaults" ->
6474 { v with f = llppconfig
}
6476 | Vclose
_ -> error
"unexpected close in defaults" s spos
6478 and uifont
b v t spos
epos =
6481 Buffer.add_substring
b s spos
(epos - spos
);
6483 | Vopen
(_, _, _) ->
6484 error
"unexpected subelement in ui-font" s spos
6485 | Vclose
"ui-font" ->
6486 if String.length
!fontpath = 0
6487 then fontpath := Buffer.contents
b;
6488 { v with f = llppconfig
}
6489 | Vclose
_ -> error
"unexpected close in ui-font" s spos
6490 | Vend
-> error
"unexpected end of input in ui-font" s spos
6492 and doc
path pan
anchor c bookmarks
v t spos
_ =
6494 | Vdata
| Vcdata
-> v
6495 | Vend
-> error
"unexpected end of input in doc" s spos
6496 | Vopen
("bookmarks", _, closed
) ->
6499 else { v with f = pbookmarks
path pan
anchor c bookmarks
}
6501 | Vopen
("keymap", attrs
, closed
) ->
6503 try List.assoc
"mode" attrs
6504 with Not_found
-> "global"
6510 let h = findkeyhash c modename in
6511 KeyMap.iter
(Hashtbl.replace
h) keymap
;
6512 doc
path pan
anchor c bookmarks
6514 { v with f = pkeymap
ret KeyMap.empty }
6516 | Vopen
(_, _, _) ->
6517 error
"unexpected subelement in doc" s spos
6520 Hashtbl.add
h path (c, List.rev bookmarks
, pan
, anchor);
6521 { v with f = llppconfig
}
6523 | Vclose
_ -> error
"unexpected close in doc" s spos
6525 and pkeymap
ret keymap
v t spos
_ =
6527 | Vdata
| Vcdata
-> v
6528 | Vend
-> error
"unexpected end of input in keymap" s spos
6529 | Vopen
("map", attrs
, closed
) ->
6530 let r, l = map_of attrs
in
6531 let kss = fromstring keys_of_string spos
"in" r [] in
6532 let lss = fromstring keys_of_string spos
"out" l [] in
6536 | ks
:: [] -> KeyMap.add ks
(KMinsrl
lss) keymap
6537 | ks
:: rest
-> KeyMap.add ks
(KMmulti
(rest
, lss)) keymap
6540 then { v with f = pkeymap
ret keymap }
6543 { v with f = skip
"map" f }
6546 error
"unexpected subelement in keymap" s spos
6548 | Vclose
"keymap" ->
6549 { v with f = ret keymap }
6551 | Vclose
_ -> error
"unexpected close in keymap" s spos
6553 and pbookmarks
path pan
anchor c bookmarks
v t spos
_ =
6555 | Vdata
| Vcdata
-> v
6556 | Vend
-> error
"unexpected end of input in bookmarks" s spos
6557 | Vopen
("item", attrs
, closed
) ->
6558 let titleent, spage
, srely
, svisy
= bookmark_of attrs
in
6559 let page = fromstring int_of_string spos
"page" spage
0
6560 and rely = fromstring float_of_string spos
"rely" srely
0.0
6561 and visy
= fromstring float_of_string spos
"visy" svisy
0.0 in
6563 (unent titleent, 0, (page, rely, visy
)) :: bookmarks
6566 then { v with f = pbookmarks
path pan
anchor c bookmarks }
6569 { v with f = skip
"item" f }
6572 error
"unexpected subelement in bookmarks" s spos
6574 | Vclose
"bookmarks" ->
6575 { v with f = doc
path pan
anchor c bookmarks }
6577 | Vclose
_ -> error
"unexpected close in bookmarks" s spos
6579 and skip tag
f v t spos
_ =
6581 | Vdata
| Vcdata
-> v
6583 error
("unexpected end of input in skipped " ^ tag
) s spos
6584 | Vopen
(tag'
, _, closed
) ->
6588 let f'
() = { v with f = skip tag
f } in
6589 { v with f = skip tag'
f'
}
6593 else error
("unexpected close in skipped " ^ tag
) s spos
6596 parse
{ f = toplevel; accu = () } s;
6602 let len = in_channel_length ic
in
6603 let s = String.create
len in
6604 really_input ic
s 0 len;
6607 | Parse_error
(msg
, s, pos
) ->
6608 let subs = subs s pos
in
6609 let s = Printf.sprintf
"%s: at %d [..%s..]" msg pos
subs in
6610 failwith
("parse error: " ^
s)
6613 failwith
("config load error: " ^ exntos exn
)
6619 let dir = Filename.concat
home ".config" in
6620 if Sys.is_directory
dir then dir else home
6623 Filename.concat
dir "llpp.conf"
6626 let confpath = ref defconfpath;;
6629 if Sys.file_exists
!confpath
6632 (try Some
(open_in_bin
!confpath)
6635 ("Error opening configuation file `" ^
!confpath ^
"': " ^
6646 ("Error loading configuation from `" ^
!confpath ^
"': " ^
6655 f (Hashtbl.create
0, defconf)
6660 let pc, pb
, px, pa
=
6662 Hashtbl.find h (Filename.basename
state.path)
6663 with Not_found
-> dc, [], 0, emptyanchor
6667 state.bookmarks <- pb
;
6669 state.scrollw
<- conf.scrollbw
;
6671 then state.anchor <- pa
;
6672 cbput state.hists
.nav pa
;
6678 let add_attrs bb always
dc c =
6681 then Printf.bprintf bb
"\n %s='%b'" s a
6684 then Printf.bprintf bb
"\n %s='%d'" s a
6687 then Printf.bprintf bb
"\n %s='%s'" s (string_with_suffix_of_int a)
6690 then Printf.bprintf bb
"\n %s='%g'" s (a*.100.)
6693 then Printf.bprintf bb
"\n %s='%f'" s a
6697 Printf.bprintf bb
"\n %s='%s'" s (color_to_string a)
6701 Printf.bprintf bb
"\n %s='%s'" s (colorspace_to_string a)
6705 Printf.bprintf bb
"\n %s='%s'" s (irect_to_string a)
6709 Printf.bprintf bb
"\n %s='%s'" s (enent
a 0 (String.length
a))
6715 | Some
(_N
, _A
, _B
) ->
6716 Printf.bprintf bb
"\n %s='%u,%u,%u'" s _N _A _B
6726 else string_of_float
f
6728 Printf.bprintf bb
"\n %s='%s'" s v
6733 | Cmulti
((n, a, b), _) when n > 1 ->
6734 Printf.bprintf bb
"\n %s='%d,%d,%d'" s n a b
6735 | Csplit
(n, _) when n > 1 ->
6736 Printf.bprintf bb
"\n %s='%d'" s ~
-n
6742 | Some
c when c > 1 -> Printf.bprintf bb
"\n %s='%d'" s c
6745 oi
"width" c.cwinw
dc.cwinw
;
6746 oi
"height" c.cwinh
dc.cwinh
;
6747 oi
"scroll-bar-width" c.scrollbw
dc.scrollbw
;
6748 oi
"scroll-handle-height" c.scrollh
dc.scrollh
;
6749 ob "case-insensitive-search" c.icase
dc.icase
;
6750 ob "preload" c.preload dc.preload;
6751 oi
"page-bias" c.pagebias
dc.pagebias
;
6752 oi
"scroll-step" c.scrollstep
dc.scrollstep
;
6753 oi
"auto-scroll-step" c.autoscrollstep
dc.autoscrollstep
;
6754 ob "max-height-fit" c.maxhfit
dc.maxhfit
;
6755 ob "crop-hack" c.crophack
dc.crophack
;
6756 oW
"throttle" c.maxwait
dc.maxwait
;
6757 ob "highlight-links" c.hlinks
dc.hlinks
;
6758 ob "under-cursor-info" c.underinfo
dc.underinfo
;
6759 oi
"vertical-margin" c.interpagespace
dc.interpagespace
;
6760 oz
"zoom" c.zoom dc.zoom;
6761 ob "presentation" c.presentation
dc.presentation
;
6762 oi
"rotation-angle" c.angle
dc.angle
;
6763 ob "persistent-bookmarks" c.savebmarks
dc.savebmarks
;
6764 ob "proportional-display" c.proportional
dc.proportional
;
6765 oI
"pixmap-cache-size" c.memlimit
dc.memlimit
;
6766 oi
"tex-count" c.texcount
dc.texcount
;
6767 oi
"slice-height" c.sliceheight
dc.sliceheight
;
6768 oi
"thumbnail-width" c.thumbw
dc.thumbw
;
6769 ob "persistent-location" c.jumpback
dc.jumpback
;
6770 oc
"background-color" c.bgcolor
dc.bgcolor
;
6771 ob "scrollbar-in-presentation" c.scrollbarinpm
dc.scrollbarinpm
;
6772 oi
"tile-width" c.tilew
dc.tilew
;
6773 oi
"tile-height" c.tileh
dc.tileh
;
6774 oI
"mupdf-store-size" c.mustoresize
dc.mustoresize
;
6775 ob "checkers" c.checkers
dc.checkers
;
6776 oi
"aalevel" c.aalevel
dc.aalevel
;
6777 ob "trim-margins" c.trimmargins
dc.trimmargins
;
6778 oR
"trim-fuzz" c.trimfuzz
dc.trimfuzz
;
6779 os
"uri-launcher" c.urilauncher
dc.urilauncher
;
6780 os
"path-launcher" c.pathlauncher
dc.pathlauncher
;
6781 oC
"color-space" c.colorspace
dc.colorspace
;
6782 ob "invert-colors" c.invert
dc.invert
;
6783 oF
"brightness" c.colorscale
dc.colorscale
;
6784 ob "redirectstderr" c.redirectstderr dc.redirectstderr;
6785 og
"ghyllscroll" c.ghyllscroll
dc.ghyllscroll
;
6786 oco
"columns" c.columns
dc.columns
;
6787 obeco
"birds-eye-columns" c.beyecolumns
dc.beyecolumns
;
6788 os
"selection-command" c.selcmd
dc.selcmd
;
6789 os
"synctex-command" c.stcmd
dc.stcmd
;
6790 ob "update-cursor" c.updatecurs
dc.updatecurs
;
6791 oi
"hint-font-size" c.hfsize
dc.hfsize
;
6792 oi
"horizontal-scroll-step" c.hscrollstep
dc.hscrollstep
;
6793 oF
"page-scroll-scale" c.pgscale dc.pgscale;
6794 ob "use-pbo" c.usepbo
dc.usepbo
;
6795 ob "wheel-scrolls-pages" c.wheelbypage
dc.wheelbypage
;
6798 let keymapsbuf always
dc c =
6799 let bb = Buffer.create
16 in
6800 let rec loop = function
6802 | (modename, h) :: rest
->
6803 let dh = findkeyhash dc modename in
6804 if always
|| h <> dh
6806 if Hashtbl.length
h > 0
6808 if Buffer.length
bb > 0
6809 then Buffer.add_char
bb '
\n'
;
6810 Printf.bprintf
bb "<keymap mode='%s'>\n" modename;
6811 Hashtbl.iter
(fun i
o ->
6812 let isdifferent = always
||
6814 let dO = Hashtbl.find dh i
in
6816 with Not_found
-> true
6821 if Wsi.withctrl
m then Buffer.add_string
bb "ctrl-";
6822 if Wsi.withalt
m then Buffer.add_string
bb "alt-";
6823 if Wsi.withshift
m then Buffer.add_string
bb "shift-";
6824 if Wsi.withmeta
m then Buffer.add_string
bb "meta-";
6825 Buffer.add_string
bb (Wsi.keyname
k);
6828 let rec loop = function
6830 | km
:: [] -> addkm km
6831 | km
:: rest
-> addkm km
; Buffer.add_char
bb ' '
; loop rest
6835 Buffer.add_string
bb "<map in='";
6839 Buffer.add_string
bb "' out='";
6841 Buffer.add_string
bb "'/>\n"
6844 Buffer.add_string
bb "' out='";
6846 Buffer.add_string
bb "'/>\n"
6848 | KMmulti
(ins, kms
) ->
6849 Buffer.add_char
bb ' '
;
6851 Buffer.add_string
bb "' out='";
6853 Buffer.add_string
bb "'/>\n"
6855 Buffer.add_string
bb "</keymap>";
6865 let uifontsize = fstate.fontsize
in
6866 let bb = Buffer.create
32768 in
6871 | Wsi.Fullscreen
-> (conf.cwinw
, conf.cwinh
)
6872 | Wsi.MaxVert
-> (w, conf.cwinh
)
6873 | Wsi.MaxHorz
-> (conf.cwinw
, h)
6875 (state.winw, state.winh
) state.winstate
6880 let dc = if conf.bedefault
then conf else dc in
6881 Buffer.add_string
bb "<llppconfig>\n";
6883 if String.length
!fontpath > 0
6885 Printf.bprintf
bb "<ui-font size='%d'><![CDATA[%s]]></ui-font>\n"
6891 Printf.bprintf
bb "<ui-font size='%d'/>\n" uifontsize
6894 Buffer.add_string
bb "<defaults ";
6895 add_attrs bb true dc dc;
6896 let kb = keymapsbuf true dc dc in
6897 if Buffer.length
kb > 0
6899 Buffer.add_string
bb ">\n";
6900 Buffer.add_buffer
bb kb;
6901 Buffer.add_string
bb "\n</defaults>\n";
6903 else Buffer.add_string
bb "/>\n";
6905 let adddoc path pan
anchor c bookmarks =
6906 if bookmarks == [] && c = dc && anchor = emptyanchor
6909 Printf.bprintf
bb "<doc path='%s'"
6910 (enent
path 0 (String.length
path));
6912 if anchor <> emptyanchor
6914 let n, rely, visy
= anchor in
6915 Printf.bprintf
bb " page='%d'" n;
6918 Printf.bprintf
bb " rely='%f'" rely
6920 if abs_float visy
> 1e-6
6922 Printf.bprintf
bb " visy='%f'" visy
6927 then Printf.bprintf
bb " pan='%d'" pan
;
6929 add_attrs bb false dc c;
6930 let kb = keymapsbuf false dc c in
6932 begin match bookmarks with
6934 if Buffer.length
kb > 0
6936 Buffer.add_string
bb ">\n";
6937 Buffer.add_buffer
bb kb;
6938 Buffer.add_string
bb "\n</doc>\n";
6940 else Buffer.add_string
bb "/>\n"
6942 Buffer.add_string
bb ">\n<bookmarks>\n";
6943 List.iter
(fun (title, _level
, (page, rely, visy
)) ->
6945 "<item title='%s' page='%d'"
6946 (enent
title 0 (String.length
title))
6951 Printf.bprintf
bb " rely='%f'" rely
6953 if abs_float visy
> 1e-6
6955 Printf.bprintf
bb " visy='%f'" visy
6957 Buffer.add_string
bb "/>\n";
6959 Buffer.add_string
bb "</bookmarks>";
6960 if Buffer.length
kb > 0
6962 Buffer.add_string
bb "\n";
6963 Buffer.add_buffer
bb kb;
6965 Buffer.add_string
bb "\n</doc>\n";
6971 match state.mode with
6972 | Birdseye
(c, pan, _, _, _) ->
6974 match conf.columns
with
6975 | Cmulti
((c, _, _), _) -> Some
c
6979 match c.columns
with
6980 | Cmulti
(c, _) -> Cmulti
(c, [||])
6981 | Csingle
_ -> Csingle
[||]
6982 | Csplit
_ -> failwith
"quit from bird's eye while split"
6984 pan, { c with beyecolumns = beyecolumns; columns
= columns
}
6985 | _ -> state.x, conf
6987 let basename = Filename.basename state.path in
6988 adddoc basename pan (getanchor ())
6990 let autoscrollstep =
6991 match state.autoscroll
with
6993 | None
-> conf.autoscrollstep
6995 match state.mode with
6996 | Birdseye
(bc
, _, _, _, _) ->
6999 presentation
= bc
.presentation
;
7000 interpagespace
= bc
.interpagespace
;
7001 maxwait
= bc
.maxwait
;
7002 autoscrollstep = autoscrollstep }
7003 | _ -> { conf with autoscrollstep = autoscrollstep }
7005 (if conf.savebmarks
then state.bookmarks else []);
7007 Hashtbl.iter
(fun path (c, bookmarks, x, anchor) ->
7009 then adddoc path x anchor c bookmarks
7011 Buffer.add_string
bb "</llppconfig>\n";
7014 if load1 f && Buffer.length
bb > 0
7017 let tmp = !confpath ^
".tmp" in
7018 let oc = open_out_bin
tmp in
7019 Buffer.output_buffer
oc bb;
7021 Unix.rename
tmp !confpath;
7024 ("error while saving configuration: " ^ exntos exn
)
7028 let adderrmsg src msg
=
7029 Buffer.add_string
state.errmsgs msg
;
7030 state.newerrmsgs
<- true;
7034 let adderrfmt src fmt
=
7035 Format.kprintf
(fun s -> adderrmsg src s) fmt
;
7039 let cl = splitatspace cmds
in
7041 try Scanf.sscanf
s fmt
f
7043 adderrfmt "remote exec"
7044 "error processing '%S': %s\n" cmds
(exntos exn
)
7047 | "reload" :: [] -> reload ()
7048 | "goto" :: args :: [] ->
7049 scan args "%u %f %f"
7051 let cmd, _ = state.geomcmds
in
7052 if String.length
cmd = 0
7053 then gotopagexy pageno x y
7056 gotopagexy pageno x y;
7059 state.reprf
<- f state.reprf
7061 | "goto1" :: args :: [] -> scan args "%u %f" gotopage
7062 | "rect" :: args :: [] ->
7063 scan args "%u %u %f %f %f %f"
7064 (fun pageno color x0 y0 x1 y1 ->
7065 onpagerect pageno (fun w h ->
7066 let _,w1,h1
,_ = getpagedim pageno in
7067 let sw = float w1 /. w
7068 and sh = float h1
/. h in
7072 and y1s
= y1 *. sh in
7073 let rect = (x0s,y0s
,x1s
,y0s
,x1s
,y1s
,x0s,y1s
) in
7075 state.rects <- (pageno, color, rect) :: state.rects;
7076 G.postRedisplay "rect";
7079 | "activatewin" :: [] -> Wsi.activatewin
()
7080 | "quit" :: [] -> raise Quit
7082 adderrfmt "remote command"
7083 "error processing remote command: %S\n" cmds
;
7087 let scratch = String.create
80 in
7088 let buf = Buffer.create
80 in
7091 try Some
(Unix.read fd
scratch 0 80)
7093 | Unix.Unix_error
(Unix.EAGAIN
, _, _) -> None
7094 | Unix.Unix_error
(Unix.EINTR
, _, _) -> tempfr ()
7097 match tempfr () with
7103 if Buffer.length
buf > 0
7105 let s = Buffer.contents
buf in
7115 let pos = String.index_from
scratch ppos '
\n'
in
7116 if pos >= n then -1 else pos
7117 with Not_found
-> -1
7121 Buffer.add_substring
buf scratch ppos
(nlpos-ppos
);
7122 let s = Buffer.contents
buf in
7128 Buffer.add_substring
buf scratch ppos
(n-ppos
);
7134 let remoteopen path =
7135 try Some
(Unix.openfile
path [Unix.O_NONBLOCK
; Unix.O_RDONLY
] 0o0
)
7137 adderrfmt "remoteopen" "error opening %S: %s" path (exntos exn
);
7142 let trimcachepath = ref "" in
7143 let rcmdpath = ref "" in
7146 [("-p", Arg.String
(fun s -> state.password
<- s),
7147 "<password> Set password");
7149 ("-f", Arg.String
(fun s -> Config.fontpath := s),
7150 "<path> Set path to the user interface font");
7152 ("-c", Arg.String
(fun s -> Config.confpath := s),
7153 "<path> Set path to the configuration file");
7155 ("-tcf", Arg.String
(fun s -> trimcachepath := s),
7156 "<path> Set path to the trim cache file");
7158 ("-dest", Arg.String
(fun s -> state.nameddest
<- s),
7159 "<named-destination> Set named destination");
7161 ("-wtmode", Arg.Set
wtmode, " Operate in wt mode");
7163 ("-remote", Arg.String
(fun s -> rcmdpath := s),
7164 "<path> Set path to the remote commands source");
7166 ("-v", Arg.Unit
(fun () ->
7168 "%s\nconfiguration path: %s\n"
7172 exit
0), " Print version and exit");
7175 (fun s -> state.path <- s)
7176 ("Usage: " ^
Sys.argv
.(0) ^
" [options] some.pdf\nOptions:")
7178 if String.length
state.path = 0
7179 then (prerr_endline
"file name missing"; exit
1);
7181 if not
(Config.load ())
7182 then prerr_endline
"failed to load configuration";
7184 let globalkeyhash = findkeyhash conf "global" in
7185 let wsfd, winw, winh
= Wsi.init
(object
7187 state.wthack
<- false;
7188 if nogeomcmds state.geomcmds
|| platform == Posx
7191 GlClear.color (scalecolor2 conf.bgcolor
);
7192 GlClear.clear
[`
color];
7194 method display = display ()
7195 method reshape w h = reshape w h
7196 method mouse b d x y m = mouse b d x y m
7197 method motion x y = state.mpos
<- (x, y); motion x y
7198 method pmotion x y = state.mpos
<- (x, y); pmotion x y
7200 let mascm = m land (
7201 Wsi.altmask
+ Wsi.shiftmask
+ Wsi.ctrlmask
+ Wsi.metamask
7203 match state.keystate
with
7205 let km = k, mascm in
7208 let modehash = state.uioh#
modehash in
7209 try Hashtbl.find modehash km
7211 try Hashtbl.find globalkeyhash km
7212 with Not_found
-> KMinsrt
(k, m)
7214 | KMinsrt
(k, m) -> keyboard k m
7215 | KMinsrl
l -> List.iter
(fun (k, m) -> keyboard k m) l
7216 | KMmulti
(l, r) -> state.keystate
<- KSinto
(l, r)
7218 | KSinto
((k'
, m'
) :: [], insrt
) when k'
=k && m'
land mascm = m'
->
7219 List.iter
(fun (k, m) -> keyboard k m) insrt
;
7220 state.keystate
<- KSnone
7221 | KSinto
((k'
, m'
) :: keys
, insrt
) when k'
=k && m'
land mascm = m'
->
7222 state.keystate
<- KSinto
(keys
, insrt
)
7224 state.keystate
<- KSnone
7226 method enter
x y = state.mpos
<- (x, y); pmotion x y
7227 method leave = state.mpos
<- (-1, -1)
7228 method winstate wsl
= state.winstate
<- wsl
7229 method quit
= raise Quit
7230 end) conf.cwinw
conf.cwinh
(platform = Posx
) in
7235 List.exists
GlMisc.check_extension
7236 [ "GL_ARB_texture_rectangle"
7237 ; "GL_EXT_texture_recangle"
7238 ; "GL_NV_texture_rectangle" ]
7240 then (prerr_endline
"OpenGL does not suppport rectangular textures"; exit
1);
7243 match Ne.pipe () with
7245 Printf.eprintf
"pipe/crsw failed: %s" (exntos exn
);
7249 match Ne.pipe () with
7251 Printf.eprintf
"pipe/srcw failed: %s" (exntos exn
);
7261 setcheckers conf.checkers
;
7265 conf.angle
, conf.proportional
, (conf.trimmargins
, conf.trimfuzz
),
7266 conf.texcount
, conf.sliceheight
, conf.mustoresize
, conf.colorspace
,
7267 !Config.fontpath, !trimcachepath,
7268 GlMisc.check_extension
"GL_ARB_pixel_buffer_object"
7272 state.text <- "Opening " ^
(mbtoutf8
state.path);
7274 opendoc state.path state.password
;
7277 Sys.set_signal
Sys.sighup
(Sys.Signal_handle
(fun _ -> reload ()));
7280 if String.length
!rcmdpath > 0
7281 then remoteopen !rcmdpath
7286 let rec loop deadline
=
7288 match state.errfd
with
7289 | None
-> [state.sr
; state.wsfd]
7290 | Some fd
-> [state.sr
; state.wsfd; fd
]
7295 | Some fd
-> fd
:: r
7297 if state.redisplay
&& not
state.wthack
7299 state.redisplay
<- false;
7306 if deadline
= infinity
7308 else max
0.0 (deadline
-. now)
7313 try Unix.select
r [] [] timeout
7314 with Unix.Unix_error
(Unix.EINTR
, _, _) -> [], [], []
7320 if state.ghyll
== noghyll
7322 match state.autoscroll
with
7323 | Some step
when step
!= 0 ->
7324 let y = state.y + step
in
7328 else if y >= state.maxy then 0 else y
7331 if state.mode = View
7332 then state.text <- "";
7335 else deadline
+. 0.01
7340 let rec checkfds = function
7342 | fd
:: rest
when fd
= state.sr
->
7343 let cmd = readcmd state.sr
in
7347 | fd
:: rest
when fd
= state.wsfd ->
7351 | fd
:: rest
when Some fd
= !optrfd ->
7352 begin match remote fd
with
7353 | None
-> optrfd := remoteopen !rcmdpath;
7354 | opt -> optrfd := opt
7359 let s = String.create
80 in
7360 let n = tempfailureretry
(Unix.read fd
s 0) 80 in
7361 if conf.redirectstderr
7363 Buffer.add_substring
state.errmsgs
s 0 n;
7364 state.newerrmsgs
<- true;
7365 state.redisplay
<- true;
7368 prerr_string
(String.sub
s 0 n);
7376 if deadline
= infinity
7380 match state.autoscroll
with
7381 | Some step
when step
!= 0 -> deadline1
7382 | _ -> if state.ghyll
== noghyll then infinity
else deadline1