8 | Ulinkgoto
of (int * int)
10 | Uunexpected
of string
13 | Uremote
of (string * int)
14 and facename
= string;;
16 type params
= (angle
* fitmodel
* trimparams
17 * texcount
* sliceheight
* memsize
18 * colorspace
* fontpath
* trimcachepath
28 and trimmargins
= bool
29 and interpagespace
= int
36 and trimcachepath
= string
39 and irect
= (int * int * int * int)
40 and trimparams
= (trimmargins
* irect
)
41 and colorspace
= | Rgb
| Bgr
| Gray
42 and fitmodel
= | FitWidth
| FitProportional
| FitPage
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 postprocess
:
96 opaque
-> int -> int -> int -> (int * string * int) -> int
98 external pagebbox
: opaque
-> (int * int * int * int) = "ml_getpagebox";;
99 external platform
: unit -> platform
= "ml_platform";;
100 external setaalevel
: int -> unit = "ml_setaalevel";;
101 external realloctexts
: int -> bool = "ml_realloctexts";;
102 external findlink
: opaque
-> linkdir
-> link
= "ml_findlink";;
103 external getlink
: opaque
-> int -> under
= "ml_getlink";;
104 external getlinkrect
: opaque
-> int -> irect
= "ml_getlinkrect";;
105 external getlinkcount
: opaque
-> int = "ml_getlinkcount";;
106 external findpwl
: int -> int -> pagewithlinks
= "ml_find_page_with_links"
107 external popen
: string -> (Unix.file_descr
* int) list
-> unit = "ml_popen";;
108 external getpbo
: width
-> height
-> colorspace
-> string = "ml_getpbo";;
109 external freepbo
: string -> unit = "ml_freepbo";;
110 external unmappbo
: string -> unit = "ml_unmappbo";;
111 external pbousable
: unit -> bool = "ml_pbo_usable";;
112 external unproject
: opaque
-> int -> int -> (int * int) option
114 external drawtile
: tileparams
-> opaque
-> unit = "ml_drawtile";;
116 let platform_to_string = function
117 | Punknown
-> "unknown"
121 | Pfreebsd
-> "FreeBSD"
122 | Pdragonflybsd
-> "DragonflyBSD"
123 | Popenbsd
-> "OpenBSD"
124 | Pnetbsd
-> "NetBSD"
125 | Pcygwin
-> "Cygwin"
128 let platform = platform ();;
130 let now = Unix.gettimeofday
;;
133 if platform = Pcygwin
135 let sh = "/bin/sh" in
136 let args = [|sh; "-c"; cmd
|] in
137 let rec std si so se
= function
139 | (fd
, 0) :: rest
-> std fd so se rest
140 | (fd
, -1) :: rest
->
141 Unix.set_close_on_exec fd
;
144 failwith
("unexpected fdn in cygwin popen " ^ string_of_int n
)
146 let si, so
, se
= std Unix.stdin
Unix.stdout
Unix.stderr fda
in
147 ignore
(Unix.create_process
sh args si so se
)
152 type mpos
= int * int
154 | Msel
of (mpos
* mpos
)
156 | Mscrolly
| Mscrollx
157 | Mzoom
of (int * int)
158 | Mzoomrect
of (mpos
* mpos
)
162 type textentry
= string * string * onhist
option * onkey
* ondone
* cancelonempty
163 and onkey
= string -> int -> te
164 and ondone
= string -> unit
165 and histcancel
= unit -> unit
166 and onhist
= ((histcmd
-> string) * histcancel
)
167 and histcmd
= HCnext
| HCprev
| HCfirst
| HClast
168 and cancelonempty
= bool
173 | TEswitch
of textentry
184 let bound v minv maxv
=
185 max minv
(min maxv v
);
189 { store
= Array.create n v
196 let cbcap b
= Array.length b
.store
;;
201 b
.wc
<- (b
.wc
+ 1) mod cap;
203 b
.len
<- min
(b
.len
+ 1) cap;
206 let cbempty b
= b
.len
= 0;;
208 let cbgetg b circular dir
=
212 let rc = b
.rc + dir
in
224 else bound rc 0 (b
.len
-1)
230 let cbget b
= cbgetg b
false;;
231 let cbgetc b
= cbgetg b
true;;
233 let drawstring size x y s
=
235 Gl.enable `texture_2d
;
236 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
237 ignore
(drawstr size x y s
);
239 Gl.disable `texture_2d
;
242 let drawstring1 size x y s
=
246 let drawstring2 size x y fmt
=
247 Printf.kprintf
(drawstring size
(x
+1) (y
+size
+1)) fmt
266 dolog
"l %d dim=%d {" l
.pageno l
.pagedimno
;
267 dolog
" WxH %dx%d" l
.pagew l
.pageh
;
268 dolog
" vWxH %dx%d" l
.pagevw l
.pagevh
;
269 dolog
" pagex,y %d,%d" l
.pagex l
.pagey
;
270 dolog
" dispx,y %d,%d" l
.pagedispx l
.pagedispy
;
271 dolog
" column %d" l
.pagecol
;
275 let debugrect (x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
) =
277 dolog
" x0,y0=(% f, % f)" x0 y0
;
278 dolog
" x1,y1=(% f, % f)" x1 y1
;
279 dolog
" x2,y2=(% f, % f)" x2 y2
;
280 dolog
" x3,y3=(% f, % f)" x3 y3
;
284 type multicolumns
= multicol
* pagegeom
285 and singlecolumn
= pagegeom
286 and splitcolumns
= columncount
* pagegeom
287 and pagegeom
= ((pdimno
* x
* y
* (pageno
* width
* height
* leftx
)) array
)
288 and multicol
= columncount
* covercount
* covercount
290 and columncount
= int
291 and covercount
= int;;
294 { mutable scrollbw
: int
295 ; mutable scrollh
: int
296 ; mutable icase
: bool
297 ; mutable preload
: bool
298 ; mutable pagebias
: int
299 ; mutable verbose
: bool
300 ; mutable debug
: bool
301 ; mutable scrollstep
: int
302 ; mutable hscrollstep
: int
303 ; mutable maxhfit
: bool
304 ; mutable crophack
: bool
305 ; mutable autoscrollstep
: int
306 ; mutable maxwait
: float option
307 ; mutable hlinks
: bool
308 ; mutable underinfo
: bool
309 ; mutable interpagespace
: interpagespace
310 ; mutable zoom
: float
311 ; mutable presentation
: bool
312 ; mutable angle
: angle
313 ; mutable cwinw
: int
314 ; mutable cwinh
: int
315 ; mutable savebmarks
: bool
316 ; mutable fitmodel
: fitmodel
317 ; mutable trimmargins
: trimmargins
318 ; mutable trimfuzz
: irect
319 ; mutable memlimit
: memsize
320 ; mutable texcount
: texcount
321 ; mutable sliceheight
: sliceheight
322 ; mutable thumbw
: width
323 ; mutable jumpback
: bool
324 ; mutable bgcolor
: (float * float * float)
325 ; mutable bedefault
: bool
326 ; mutable scrollbarinpm
: bool
327 ; mutable tilew
: int
328 ; mutable tileh
: int
329 ; mutable mustoresize
: memsize
330 ; mutable checkers
: bool
331 ; mutable aalevel
: int
332 ; mutable urilauncher
: string
333 ; mutable pathlauncher
: string
334 ; mutable colorspace
: colorspace
335 ; mutable invert
: bool
336 ; mutable colorscale
: float
337 ; mutable redirectstderr
: bool
338 ; mutable ghyllscroll
: (int * int * int) option
339 ; mutable columns
: columns
340 ; mutable beyecolumns
: columncount
option
341 ; mutable selcmd
: string
342 ; mutable updatecurs
: bool
343 ; mutable keyhashes
: (string * keyhash
) list
344 ; mutable hfsize
: int
345 ; mutable pgscale
: float
346 ; mutable usepbo
: bool
347 ; mutable wheelbypage
: bool
348 ; mutable stcmd
: string
351 | Csingle
of singlecolumn
352 | Cmulti
of multicolumns
353 | Csplit
of splitcolumns
356 type anchor
= pageno
* top
* dtop
;;
358 type outline
= string * int * anchor
;;
360 type rect
= float * float * float * float * float * float * float * float;;
362 type tile
= opaque
* pixmapsize
* elapsed
363 and elapsed
= float;;
364 type pagemapkey
= pageno
* gen
;;
365 type tilemapkey
= pageno
* gen
* colorspace
* angle
* width
* height
* col
* row
369 let emptyanchor = (0, 0.0, 0.0);;
371 type infochange
= | Memused
| Docinfo
| Pdim
;;
373 class type uioh
= object
374 method display
: unit
375 method key
: int -> int -> uioh
376 method button
: int -> bool -> int -> int -> int -> uioh
377 method motion
: int -> int -> uioh
378 method pmotion
: int -> int -> uioh
379 method infochanged
: infochange
-> unit
380 method scrollpw
: (int * float * float)
381 method scrollph
: (int * float * float)
382 method modehash
: keyhash
383 method eformsgs
: bool
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
425 method eformsgs
= false
429 { mutable sr
: Unix.file_descr
430 ; mutable sw
: Unix.file_descr
431 ; mutable wsfd
: Unix.file_descr
432 ; mutable errfd
: Unix.file_descr
option
433 ; mutable stderr
: Unix.file_descr
434 ; mutable errmsgs
: Buffer.t
435 ; mutable newerrmsgs
: bool
439 ; mutable scrollw
: int
440 ; mutable hscrollh
: int
441 ; mutable anchor
: anchor
442 ; mutable ranchors
: (string * string * anchor
* string) list
444 ; mutable layout
: page list
445 ; pagemap
: (pagemapkey
, opaque
) Hashtbl.t
446 ; tilemap
: (tilemapkey
, tile
) Hashtbl.t
447 ; tilelru
: (tilemapkey
* opaque
* pixmapsize
) Queue.t
448 ; mutable pdims
: (pageno
* width
* height
* leftx
) list
449 ; mutable pagecount
: int
450 ; mutable currently
: currently
451 ; mutable mstate
: mstate
452 ; mutable searchpattern
: string
453 ; mutable rects
: (pageno
* recttype
* rect
) list
454 ; mutable rects1
: (pageno
* recttype
* rect
) list
455 ; mutable text
: string
456 ; mutable winstate
: Wsi.winstate list
457 ; mutable mode
: mode
458 ; mutable uioh
: uioh
459 ; mutable outlines
: outline array
460 ; mutable bookmarks
: outline list
461 ; mutable path
: string
462 ; mutable password
: string
463 ; mutable nameddest
: string
464 ; mutable geomcmds
: (string * ((string * (unit -> unit)) list
))
465 ; mutable memused
: memsize
467 ; mutable throttle
: (page list
* int * float) option
468 ; mutable autoscroll
: int option
469 ; mutable ghyll
: (int option -> unit)
470 ; mutable help
: helpitem array
471 ; mutable docinfo
: (int * string) list
472 ; mutable texid
: GlTex.texture_id
option
474 ; mutable prevzoom
: float
475 ; mutable progress
: float
476 ; mutable redisplay
: bool
477 ; mutable mpos
: mpos
478 ; mutable keystate
: keystate
479 ; mutable glinks
: bool
480 ; mutable prevcolumns
: (columns
* float) option
483 ; mutable reprf
: (unit -> unit)
484 ; mutable origin
: string
487 { pat
: string circbuf
488 ; pag
: string circbuf
489 ; nav
: anchor circbuf
490 ; sel
: string circbuf
512 ; presentation
= false
517 ; fitmodel
= FitProportional
518 ; trimmargins
= false
519 ; trimfuzz
= (0,0,0,0)
520 ; memlimit
= 32 lsl 20
525 ; bgcolor
= (0.5, 0.5, 0.5)
527 ; scrollbarinpm
= true
530 ; mustoresize
= 256 lsl 20
535 | Plinux
| Pfreebsd
| Pdragonflybsd
536 | Popenbsd
| Pnetbsd
| Psun
-> "xdg-open \"%s\""
537 | Posx
-> "open \"%s\""
538 | Pcygwin
-> "cygstart \"%s\""
539 | Punknown
-> "echo %s")
540 ; pathlauncher
= "lp \"%s\""
543 | Plinux
| Pfreebsd
| Pdragonflybsd
544 | Popenbsd
| Pnetbsd
| Psun
-> "xsel -i"
551 ; redirectstderr
= false
553 ; columns
= Csingle
[||]
559 ; wheelbypage
= false
560 ; stcmd
= "echo SyncTex"
562 let mk n
= (n
, Hashtbl.create
1) in
576 let wtmode = ref false;;
578 let findkeyhash c name
=
579 try List.assoc name c
.keyhashes
580 with Not_found
-> failwith
("invalid mode name `" ^ name ^
"'")
583 let conf = { defconf with angle
= defconf.angle
};;
585 let pgscale h
= truncate
(float h
*. conf.pgscale);;
588 { mutable fontsize
: int
589 ; mutable wwidth
: float
590 ; mutable maxrows
: int
602 let colonpos = try String.index s '
:'
with Not_found
-> -1 in
603 let len = String.length s
in
604 if colonpos >= 0 && colonpos + 3 < len
606 if s
.[colonpos+1] = '
/'
&& s
.[colonpos+2] = '
/'
609 try String.rindex_from s
colonpos ' '
613 String.sub s
(schemestartpos+1) (colonpos-1-schemestartpos)
616 | "http" | "ftp" | "mailto" ->
618 try String.index_from s
colonpos ' '
619 with Not_found
-> len
621 String.sub s
(schemestartpos+1) (epos-1-schemestartpos)
629 if String.length
conf.urilauncher
= 0
630 then print_endline uri
632 let url = geturl uri
in
633 if String.length
url = 0
634 then print_endline uri
636 let re = Str.regexp
"%s" in
637 let command = Str.global_replace
re url conf.urilauncher
in
641 "failed to execute `%s': %s\n" command (exntos exn
);
647 Printf.sprintf
"llpp version %s (%s/%dbit, ocaml %s)" Help.version
648 (platform_to_string platform) Sys.word_size
Sys.ocaml_version
652 let strings = version () :: "" :: Help.keys
in
655 let url = geturl s
in
656 if String.length
url > 0
657 then (s
, 0, Action
(fun u
-> gotouri url; u
))
658 else (s
, 0, Noaction
)
663 let firstgeomcmds = "", [];;
664 let noreprf () = ();;
671 ; stderr
= Unix.stderr
672 ; errmsgs
= Buffer.create
0
679 ; anchor
= emptyanchor
683 ; tilelru
= Queue.create
()
684 ; pagemap
= Hashtbl.create
10
685 ; tilemap
= Hashtbl.create
10
701 ; geomcmds
= firstgeomcmds
703 { nav
= cbnew 10 emptyanchor
732 fstate.fontsize
<- n
;
733 fstate.wwidth
<- measurestr
fstate.fontsize
"w";
734 fstate.maxrows
<- (state.winh
- fstate.fontsize
- 1) / (fstate.fontsize
+ 1);
740 Printf.kprintf prerr_endline fmt
742 Printf.kprintf ignore fmt
746 if String.length
conf.pathlauncher
= 0
747 then print_endline
state.path
749 let re = Str.regexp
"%s" in
750 let command = Str.global_replace
re state.path
conf.pathlauncher
in
753 Printf.eprintf
"failed to execute `%s': %s\n" command (exntos exn
);
759 type 'a t
= | Res
of 'a
| Exn
of exn
;;
762 try Res
(Unix.pipe ())
767 try tempfailureretry
Unix.close fd
768 with exn
-> f
(exntos exn
)
772 try Res
(tempfailureretry
Unix.dup fd
)
777 try Res
(tempfailureretry
(Unix.dup2 fd1
) fd2
)
782 let redirectstderr () =
783 let clofail what errmsg
= dolog
"failed to close %s: %s" what errmsg
in
784 if conf.redirectstderr
786 match Ne.pipe () with
788 dolog
"failed to create stderr redirection pipes: %s" (exntos exn
)
791 begin match Ne.dup Unix.stderr
with
793 dolog
"failed to dup stderr: %s" (exntos exn
);
794 Ne.clo r
(clofail "pipe/r");
795 Ne.clo w
(clofail "pipe/w");
797 | Ne.Res dupstderr
->
798 begin match Ne.dup2 w
Unix.stderr
with
800 dolog
"failed to dup2 to stderr: %s" (exntos exn
);
801 Ne.clo dupstderr
(clofail "stderr duplicate");
802 Ne.clo r
(clofail "redir pipe/r");
803 Ne.clo w
(clofail "redir pipe/w");
806 state.stderr
<- dupstderr
;
807 state.errfd
<- Some r
;
811 state.newerrmsgs
<- false;
812 begin match state.errfd
with
814 begin match Ne.dup2 state.stderr
Unix.stderr
with
816 dolog
"failed to dup2 original stderr: %s" (exntos exn
)
818 Ne.clo fd
(clofail "dup of stderr");
823 prerr_string
(Buffer.contents
state.errmsgs
);
825 Buffer.clear
state.errmsgs
;
831 let postRedisplay who
=
833 then prerr_endline
("redisplay for " ^ who
);
834 state.redisplay
<- true;
838 let getopaque pageno
=
839 try Some
(Hashtbl.find
state.pagemap
(pageno
, state.gen
))
840 with Not_found
-> None
843 let putopaque pageno opaque
=
844 Hashtbl.replace
state.pagemap
(pageno
, state.gen
) opaque
847 let pagetranslatepoint l x y
=
848 let dy = y
- l
.pagedispy
in
849 let y = dy + l
.pagey
in
850 let dx = x
- l
.pagedispx
in
851 let x = dx + l
.pagex
in
855 let onppundermouse g
x y d
=
858 begin match getopaque l
.pageno
with
860 let x0 = l
.pagedispx
in
861 let x1 = x0 + l
.pagevw
in
862 let y0 = l
.pagedispy
in
863 let y1 = y0 + l
.pagevh
in
864 if y >= y0 && y <= y1 && x >= x0 && x <= x1
866 let px, py
= pagetranslatepoint l
x y in
867 match g opaque l
px py
with
880 let g opaque _
px py
=
881 match whatsunder opaque
px py
with
883 | under
-> Some under
885 onppundermouse g x y Unone
890 match unproject opaque
x y with
891 | Some
(x, y) -> Some
(Some
(l
.pageno
, x, y))
894 onppundermouse g x y None
;
898 state.text
<- Printf.sprintf
"%c%s" c s
;
899 G.postRedisplay "showtext";
903 match Ne.pipe () with
905 showtext '
!'
(Printf.sprintf
"pipe failed: %s" (exntos exn
))
908 try popen conf.selcmd
[r
, 0; w
, -1]; true
911 (Printf.sprintf
"failed to execute %s: %s"
912 conf.selcmd
(exntos exn
));
916 Ne.clo fd
(fun msg
->
917 showtext '
!'
(Printf.sprintf
"failed to close %s: %s" cap msg
)
923 let l = String.length s
in
924 let n = tempfailureretry
(Unix.write w s
0) l in
929 "failed to write %d characters to sel pipe, wrote %d"
934 (Printf.sprintf
"failed to write to sel pipe: %s"
943 let undertext = function
946 | Ulinkgoto
(pageno
, _
) -> Printf.sprintf
"%s: page %d" state.path
(pageno
+1)
947 | Utext s
-> "font: " ^ s
948 | Uunexpected s
-> "unexpected: " ^ s
949 | Ulaunch s
-> "launch: " ^ s
950 | Unamed s
-> "named: " ^ s
951 | Uremote
(filename
, pageno
) ->
952 Printf.sprintf
"%s: page %d" filename
(pageno
+1)
955 let updateunder x y =
956 match getunder x y with
957 | Unone
-> Wsi.setcursor
Wsi.CURSOR_INHERIT
959 if conf.underinfo
then showtext 'u'
("ri: " ^ uri
);
960 Wsi.setcursor
Wsi.CURSOR_INFO
961 | Ulinkgoto
(pageno
, _
) ->
963 then showtext 'p'
("age: " ^ string_of_int
(pageno
+1));
964 Wsi.setcursor
Wsi.CURSOR_INFO
966 if conf.underinfo
then showtext '
f'
("ont: " ^ s
);
967 Wsi.setcursor
Wsi.CURSOR_TEXT
969 if conf.underinfo
then showtext 'u'
("nexpected: " ^ s
);
970 Wsi.setcursor
Wsi.CURSOR_INHERIT
972 if conf.underinfo
then showtext '
l'
("aunch: " ^ s
);
973 Wsi.setcursor
Wsi.CURSOR_INHERIT
975 if conf.underinfo
then showtext '
n'
("amed: " ^ s
);
976 Wsi.setcursor
Wsi.CURSOR_INHERIT
977 | Uremote
(filename
, pageno
) ->
978 if conf.underinfo
then showtext 'r'
979 (Printf.sprintf
"emote: %s (%d)" filename
(pageno
+1));
980 Wsi.setcursor
Wsi.CURSOR_INFO
983 let showlinktype under
=
989 let s = undertext under
in
994 let b = Buffer.create
(String.length
s + 1) in
995 Buffer.add_string
b s;
1000 let colorspace_of_string s =
1001 match String.lowercase
s with
1005 | _
-> failwith
"invalid colorspace"
1008 let int_of_colorspace = function
1014 let colorspace_of_int = function
1018 | n -> failwith
("invalid colorspace index " ^ string_of_int
n)
1021 let colorspace_to_string = function
1027 let fitmodel_of_string s =
1028 match String.lowercase
s with
1029 | "width" -> FitWidth
1030 | "proportional" -> FitProportional
1032 | _
-> failwith
"invalid fit model"
1035 let int_of_fitmodel = function
1037 | FitProportional
-> 1
1041 let fitmodel_of_int = function
1043 | 1 -> FitProportional
1045 | n -> failwith
("invalid fit model index " ^ string_of_int
n)
1048 let fitmodel_to_string = function
1049 | FitWidth
-> "width"
1050 | FitProportional
-> "proportional"
1054 let intentry_with_suffix text key
=
1056 if key
>= 32 && key
< 127
1060 match Char.lowercase
c with
1062 let text = addchar text c in
1065 | 'k'
| 'm'
| '
g'
->
1066 let text = addchar text c in
1070 state.text <- Printf.sprintf
"invalid char (%d, `%c')" key
c;
1074 let multicolumns_to_string (n, a
, b) =
1076 then Printf.sprintf
"%d" n
1077 else Printf.sprintf
"%d,%d,%d" n a
b;
1080 let multicolumns_of_string s =
1082 (int_of_string
s, 0, 0)
1084 Scanf.sscanf
s "%u,%u,%u" (fun n a
b ->
1086 then failwith
"subtly broken"; (n, a
, b)
1092 let n = tempfailureretry
(Unix.read fd
s 0) 4 in
1093 if n != 4 then failwith
"incomplete read(len)";
1095 lor (Char.code
s.[0] lsl 24)
1096 lor (Char.code
s.[1] lsl 16)
1097 lor (Char.code
s.[2] lsl 8)
1098 lor (Char.code
s.[3] lsl 0)
1100 let s = String.create
len in
1101 let n = tempfailureretry
(Unix.read fd
s 0) len in
1102 if n != len then failwith
"incomplete read(data)";
1106 let btod b = if b then 1 else 0;;
1109 let b = Buffer.create
16 in
1110 Buffer.add_string
b "llll";
1113 let s = Buffer.contents
b in
1114 let n = String.length
s in
1116 (* dolog "wcmd %S" (String.sub s 4 len); *)
1117 s.[0] <- Char.chr
((len lsr 24) land 0xff);
1118 s.[1] <- Char.chr
((len lsr 16) land 0xff);
1119 s.[2] <- Char.chr
((len lsr 8) land 0xff);
1120 s.[3] <- Char.chr
(len land 0xff);
1121 let n'
= tempfailureretry
(Unix.write
state.sw
s 0) n in
1122 if n'
!= n then failwith
"write failed";
1127 let d = state.winh
- h
in
1128 max
conf.interpagespace
((d + 1) / 2)
1131 let rowyh (c, coverA
, coverB
) b n =
1132 if c = 1 || (n < coverA
|| n >= state.pagecount
- coverB
)
1134 let _, _, vy
, (_, _, h
, _) = b.(n) in
1137 let n'
= n - coverA
in
1140 let e = min
state.pagecount
(s + c) in
1141 let rec find m miny maxh
= if m
= e then miny
, maxh
else
1142 let _, _, y, (_, _, h
, _) = b.(m
) in
1143 let miny = min
miny y in
1144 let maxh = max
maxh h
in
1145 find (m
+1) miny maxh
1150 match conf.columns
with
1151 | Cmulti
((_, _, _) as cl
, b) ->
1152 if Array.length
b > 0
1154 let y, h
= rowyh cl
b (Array.length
b - 1) in
1155 y + h
+ (if conf.presentation
then calcips h
else 0)
1158 if Array.length
b > 0
1160 let (_, _, y, (_, _, h
, _)) = b.(Array.length
b - 1) in
1161 y + h
+ (if conf.presentation
then calcips h
else 0)
1164 if Array.length
b > 0
1166 let (_, _, y, (_, _, h
, _)) = b.(Array.length
b - 1) in
1171 let getpageyh pageno
=
1172 let pageno = bound pageno 0 (state.pagecount
-1) in
1173 match conf.columns
with
1175 if Array.length
b = 0
1178 let (_, _, y, (_, _, h
, _)) = b.(pageno) in
1180 if conf.presentation
1186 if Array.length
b = 0
1189 let y, h
= rowyh cl
b pageno in
1191 if conf.presentation
1197 if Array.length
b = 0
1201 let (_, _, y, (_, _, h
, _)) = b.(n) in
1205 let getpagedim pageno =
1208 | (n, _, _, _) as pdim
:: rest
->
1210 then (if n = pageno then pdim
else ppdim
)
1215 f (-1, -1, -1, -1) state.pdims
1218 let getpagey pageno = fst
(getpageyh pageno);;
1220 let nogeomcmds cmds
=
1222 | s, [] -> String.length
s = 0
1227 let ((c, coverA
, coverB
) as cl
), b =
1228 match conf.columns
with
1229 | Csingle
b -> (1, 0, 0), b
1230 | Cmulti
(c, b) -> c, b
1231 | Csplit
(_, b) -> (1, 0, 0), b
1233 if Array.length
b = 0
1236 let rec bsearch nmin nmax
=
1238 then bound nmin
0 (state.pagecount
-1)
1240 let n = (nmax
+ nmin
) / 2 in
1241 let vy, h
= rowyh cl
b n in
1243 if conf.presentation
1245 let ips = calcips h
in
1246 let y0 = vy - ips in
1247 let y1 = vy + h
+ ips in
1251 then 0, vy + h
+ conf.interpagespace
1253 let y0 = vy - conf.interpagespace
in
1254 y0, y0 + h
+ conf.interpagespace
1257 if y >= y0 && y < y1
1264 if n < state.pagecount
- coverB
1265 then ((n-coverA
)/c)*c + coverA
1272 then bsearch (n+1) nmax
1273 else bsearch nmin
(n-1)
1276 let r = bsearch 0 (state.pagecount
-1) in
1280 let layoutN ((columns
, coverA
, coverB
), b) y sh =
1281 let sh = sh - state.hscrollh
in
1282 let rec fold accu
n =
1283 if n = Array.length
b
1286 let pdimno, dx, vy, (_, w
, h
, xoff
) = b.(n) in
1289 || n = state.pagecount
- coverB
1290 || (n - coverA
) mod columns
= columns
- 1)
1296 let pagey = max
0 (y - vy) in
1297 let pagedispy = if pagey > 0 then 0 else vy - y in
1298 let pagedispx, pagex
=
1300 if n = coverA
- 1 || n = state.pagecount
- coverB
1301 then state.x + (state.winw
- state.scrollw
- w
) / 2
1302 else dx + xoff
+ state.x
1309 let vw = state.winw
- state.scrollw
- pagedispx in
1310 let pw = w
- pagex
in
1313 let pagevh = min
(h
- pagey) (sh - pagedispy) in
1314 if pagevw > 0 && pagevh > 0
1318 ; pagedimno
= pdimno
1325 ; pagedispx = pagedispx
1326 ; pagedispy = pagedispy
1338 List.rev
(fold [] (page_of_y y));
1341 let layoutS (columns
, b) y sh =
1342 let sh = sh - state.hscrollh
in
1343 let rec fold accu n =
1344 if n = Array.length
b
1347 let pdimno, px, vy, (_, pagew
, pageh
, xoff
) = b.(n) in
1354 let x = xoff
+ state.x in
1355 let pagey = max
0 (y - vy) in
1356 let pagedispy = if pagey > 0 then 0 else vy - y in
1357 let pagedispx, pagex
=
1371 let pagecolw = pagew
/columns
in
1373 if pagecolw < state.winw
1374 then pagedispx + ((state.winw
- state.scrollw
- pagecolw) / 2)
1378 let vw = state.winw
- pagedispx - state.scrollw
in
1379 let pw = pagew
- pagex
in
1382 let pagevw = min
pagevw pagecolw in
1383 let pagevh = min
(pageh
- pagey) (sh - pagedispy) in
1384 if pagevw > 0 && pagevh > 0
1387 { pageno = n/columns
1388 ; pagedimno
= pdimno
1395 ; pagedispx = pagedispx
1396 ; pagedispy = pagedispy
1397 ; pagecol
= n mod columns
1408 List.rev
(fold [] 0)
1412 if nogeomcmds state.geomcmds
1414 match conf.columns
with
1415 | Csingle
b -> layoutN ((1, 0, 0), b) y sh
1416 | Cmulti
c -> layoutN c y sh
1417 | Csplit
s -> layoutS s y sh
1422 let y = state.y + incr
in
1424 let y = min
y (state.maxy
- (if conf.maxhfit
then state.winh
else 0)) in
1429 let tilex = l.pagex
mod conf.tilew
in
1430 let tiley = l.pagey mod conf.tileh
in
1432 let col = l.pagex
/ conf.tilew
in
1433 let row = l.pagey / conf.tileh
in
1435 let rec rowloop row y0 dispy h
=
1439 let dh = conf.tileh
- y0 in
1440 let dh = min h
dh in
1441 let rec colloop col x0 dispx w
=
1445 let dw = conf.tilew
- x0 in
1446 let dw = min w
dw in
1448 f col row dispx dispy
x0 y0 dw dh;
1449 colloop (col+1) 0 (dispx
+dw) (w
-dw)
1452 colloop col tilex l.pagedispx l.pagevw;
1453 rowloop (row+1) 0 (dispy
+dh) (h
-dh)
1456 if l.pagevw > 0 && l.pagevh > 0
1457 then rowloop row tiley l.pagedispy l.pagevh;
1460 let gettileopaque l col row =
1462 l.pageno, state.gen
, conf.colorspace
, conf.angle
, l.pagew
, l.pageh
, col, row
1464 try Some
(Hashtbl.find state.tilemap
key)
1465 with Not_found
-> None
1468 let puttileopaque l col row gen colorspace angle opaque size elapsed
=
1469 let key = l.pageno, gen
, colorspace
, angle
, l.pagew
, l.pageh
, col, row in
1470 Hashtbl.add
state.tilemap
key (opaque
, size
, elapsed
)
1473 let drawtiles l color
=
1475 let f col row x y tilex tiley w h
=
1476 match gettileopaque l col row with
1477 | Some
(opaque
, _, t
) ->
1478 let params = x, y, w
, h
, tilex, tiley in
1482 GlFunc.blend_func `zero `one_minus_src_color
;
1484 drawtile
params opaque
;
1486 then Gl.disable `blend
;
1489 let s = Printf.sprintf
1493 let w = measurestr
fstate.fontsize
s in
1494 GlMisc.push_attrib
[`current
];
1495 GlDraw.color
(0.0, 0.0, 0.0);
1497 (float (x-2), float (y-2))
1498 (float (x+2) +. w, float (y + fstate.fontsize
+ 2));
1499 GlDraw.color
(1.0, 1.0, 1.0);
1500 drawstring fstate.fontsize
x (y + fstate.fontsize
- 1) s;
1501 GlMisc.pop_attrib
();
1506 let lw = state.winw
- state.scrollw
- x in
1509 let lh = state.winh
- y in
1512 begin match state.texid
with
1514 Gl.enable `texture_2d
;
1515 GlTex.bind_texture `texture_2d id
;
1518 and x1 = float (x+w)
1519 and y1 = float (y+h
) in
1521 let tw = float w /. 16.0
1522 and th
= float h
/. 16.0 in
1523 let tx0 = float tilex /. 16.0
1524 and ty0
= float tiley /. 16.0 in
1526 and ty1
= ty0
+. th
in
1527 GlDraw.begins `quads
;
1528 GlTex.coord2
(tx0, ty0
); GlDraw.vertex2
(x0, y0);
1529 GlTex.coord2
(tx0, ty1
); GlDraw.vertex2
(x0, y1);
1530 GlTex.coord2
(tx1, ty1
); GlDraw.vertex2
(x1, y1);
1531 GlTex.coord2
(tx1, ty0
); GlDraw.vertex2
(x1, y0);
1534 Gl.disable `texture_2d
;
1536 GlDraw.color
(1.0, 1.0, 1.0);
1539 (float (x+w), float (y+h
));
1541 if w > 128 && h
> fstate.fontsize
+ 10
1543 GlDraw.color
(0.0, 0.0, 0.0);
1546 then (col*conf.tilew
, row*conf.tileh
)
1549 drawstring2 fstate.fontsize
x y "Loading %d [%d,%d]" l.pageno c r;
1556 let pagevisible layout n = List.exists
(fun l -> l.pageno = n) layout;;
1558 let tilevisible1 l x y =
1560 and ax1
= l.pagex
+ l.pagevw
1562 and ay1
= l.pagey + l.pagevh in
1566 let bx1 = min
(bx0 + conf.tilew
) l.pagew
1567 and by1
= min
(by0
+ conf.tileh
) l.pageh
in
1569 let rx0 = max
ax0 bx0
1570 and ry0
= max ay0 by0
1571 and rx1
= min ax1
bx1
1572 and ry1
= min ay1 by1
in
1574 let nonemptyintersection = rx1
> rx0 && ry1
> ry0
in
1575 nonemptyintersection
1578 let tilevisible layout n x y =
1579 let rec findpageinlayout m
= function
1580 | l :: rest
when l.pageno = n ->
1581 tilevisible1 l x y || (
1582 match conf.columns
with
1583 | Csplit
(c, _) when c > m
-> findpageinlayout (m
+1) rest
1586 | _ :: rest
-> findpageinlayout 0 rest
1589 findpageinlayout 0 layout;
1592 let tileready l x y =
1593 tilevisible1 l x y &&
1594 gettileopaque l (x/conf.tilew
) (y/conf.tileh
) != None
1597 let tilepage n p
layout =
1598 let rec loop = function
1602 let f col row _ _ _ _ _ _ =
1603 if state.currently
= Idle
1605 match gettileopaque l col row with
1608 let x = col*conf.tilew
1609 and y = row*conf.tileh
in
1611 let w = l.pagew
- x in
1615 let h = l.pageh
- y in
1620 then getpbo
w h conf.colorspace
1623 wcmd "tile %s %d %d %d %d %s" p
x y w h pbo;
1626 l, p
, conf.colorspace
, conf.angle
, state.gen
, col, row,
1627 conf.tilew
, conf.tileh
1636 if nogeomcmds state.geomcmds
1640 let preloadlayout y =
1641 let y = if y < state.winh
then 0 else y - state.winh
in
1642 let h = state.winh
*3 in
1647 let rec loop pages
=
1648 if state.currently
!= Idle
1653 begin match getopaque l.pageno with
1655 wcmd "page %d %d" l.pageno l.pagedimno
;
1656 state.currently
<- Loading
(l, state.gen
);
1658 tilepage l.pageno opaque pages
;
1663 if nogeomcmds state.geomcmds
1669 if conf.preload && state.currently
= Idle
1670 then load (preloadlayout state.y);
1673 let layoutready layout =
1674 let rec fold all ls
=
1675 all
&& match ls
with
1677 let seen = ref false in
1678 let allvisible = ref true in
1679 let foo col row _ _ _ _ _ _ =
1681 allvisible := !allvisible &&
1682 begin match gettileopaque l col row with
1688 fold (!seen && !allvisible) rest
1691 let alltilesvisible = fold true layout in
1696 let y = bound y 0 state.maxy
in
1697 let y, layout, proceed
=
1698 match conf.maxwait
with
1699 | Some time
when state.ghyll
== noghyll ->
1700 begin match state.throttle
with
1702 let layout = layout y state.winh
in
1703 let ready = layoutready layout in
1707 state.throttle
<- Some
(layout, y, now ());
1709 else G.postRedisplay "gotoy showall (None)";
1711 | Some
(_, _, started
) ->
1712 let dt = now () -. started
in
1715 state.throttle
<- None
;
1716 let layout = layout y state.winh
in
1718 G.postRedisplay "maxwait";
1725 let layout = layout y state.winh
in
1726 if not
!wtmode || layoutready layout
1727 then G.postRedisplay "gotoy ready";
1733 state.layout <- layout;
1734 begin match state.mode
with
1735 | LinkNav
(Ltexact
(pageno, linkno
)) ->
1736 let rec loop = function
1738 state.mode
<- LinkNav
(Ltgendir
0)
1739 | l :: _ when l.pageno = pageno ->
1740 begin match getopaque pageno with
1742 state.mode
<- LinkNav
(Ltgendir
0)
1744 let x0, y0, x1, y1 = getlinkrect opaque linkno
in
1745 if not
(x0 >= l.pagex
&& x1 <= l.pagex
+ l.pagevw
1746 && y0 >= l.pagey && y1 <= l.pagey + l.pagevh)
1747 then state.mode
<- LinkNav
(Ltgendir
0)
1749 | _ :: rest
-> loop rest
1754 begin match state.mode
with
1755 | Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor
) ->
1756 if not
(pagevisible layout pageno)
1758 match state.layout with
1761 state.mode
<- Birdseye
(
1762 conf, leftx
, l.pageno, hooverpageno
, anchor
1765 | LinkNav
(Ltgendir dir
as lt
) ->
1767 let rec loop = function
1770 match getopaque l.pageno with
1776 then LDfirstvisible
(l.pagex
, l.pagey, dir
)
1778 if dir
> 0 then LDfirst
else LDlast
1784 | Lnotfound
-> loop rest
1786 showlinktype (getlink opaque
n);
1787 Ltexact
(l.pageno, n)
1791 state.mode
<- LinkNav
linknav
1796 state.ghyll
<- noghyll;
1799 let mx, my
= state.mpos
in
1804 let conttiling pageno opaque
=
1805 tilepage pageno opaque
1806 (if conf.preload then preloadlayout state.y else state.layout)
1809 let gotoy_and_clear_text y =
1810 if not
conf.verbose
then state.text <- "";
1816 let coloff = l.pagecol
* l.pageh
in
1817 float (l.pagey + coloff) /. float l.pageh
1824 if conf.presentation
1825 then float l.pagedispy /. float (calcips l.pageh
)
1826 else float l.pagedispy /. float conf.interpagespace
1829 (l.pageno, top, dtop)
1833 match state.layout with
1834 | l :: _ -> getanchor1 l
1836 let n = page_of_y state.y in
1840 let y, h = getpageyh n in
1841 let dy = y - state.y in
1843 if conf.presentation
1845 let ips = calcips h in
1846 float (dy + ips) /. float ips
1848 float dy /. float conf.interpagespace
1853 let getanchory (n, top, dtop) =
1854 let y, h = getpageyh n in
1855 if conf.presentation
1857 let ips = calcips h in
1858 y + truncate
(top*.float h -. dtop*.float ips) + ips;
1860 y + truncate
(top*.float h -. dtop*.float conf.interpagespace
)
1863 let gotoanchor anchor
=
1864 gotoy (getanchory anchor
);
1868 cbput state.hists
.nav
(getanchor ());
1872 let anchor = cbgetc state.hists
.nav dir
in
1877 let scroll f n a
b =
1878 (* http://devmaster.net/forums/topic/9796-ease-in-ease-out-algorithm/ *)
1880 let s x = 3.0*.x**2.0 -. 2.0*.x**3.0 in
1882 then s (float f /. float a
)
1885 then 1.0 -. s ((float (f-b) /. float (n-b)))
1891 (* courtesy: (calc-eval "integ(3x^2-2x^3,x)") *)
1892 let iv x = x**3.-.0.5*.x**4. in
1894 let ins = float a
*. iv1
1895 and outs
= float (n-b) *. iv1 in
1897 ins +. outs
+. float ones
1899 let rec set (_N
, _A
, _B
) y sy
=
1900 let sum = summa
1.0 _N _A _B
in
1901 let dy = float (y - sy
) in
1905 then state.ghyll
<- noghyll
1908 let s = scroll n _N _A _B
in
1909 let y1 = y1 +. ((s *. dy) /. sum) in
1910 gotoy_and_clear_text (truncate
y1);
1911 state.ghyll
<- gf (n+1) y1;
1915 | Some
y'
-> set (_N
/2, 1, 1) y'
state.y
1917 gf 0 (float state.y)
1920 match conf.ghyllscroll
with
1922 gotoy_and_clear_text y
1924 if state.ghyll
== noghyll
1925 then set nab
y state.y
1926 else state.ghyll
(Some
y)
1929 let gotopage n top =
1930 let y, h = getpageyh n in
1931 let y = y + (truncate
(top *. float h)) in
1935 let gotopage1 n top =
1936 let y = getpagey n in
1941 let invalidate s f =
1946 match state.geomcmds
with
1947 | ps
, [] when String.length ps
= 0 ->
1949 state.geomcmds
<- s, [];
1952 state.geomcmds
<- ps
, [s, f];
1954 | ps
, (s'
, _) :: rest
when s'
= s ->
1955 state.geomcmds
<- ps
, ((s, f) :: rest
);
1958 state.geomcmds
<- ps
, ((s, f) :: cmds
);
1962 Hashtbl.iter
(fun _ opaque
->
1963 wcmd "freepage %s" opaque
;
1965 Hashtbl.clear
state.pagemap
;
1969 if not
(Queue.is_empty
state.tilelru
)
1971 Queue.iter
(fun (k
, p
, s) ->
1972 wcmd "freetile %s" p
;
1973 state.memused
<- state.memused
- s;
1974 Hashtbl.remove
state.tilemap k
;
1976 state.uioh#infochanged Memused
;
1977 Queue.clear
state.tilelru
;
1983 let h = truncate
(float h*.conf.zoom
) in
1984 let d = conf.interpagespace
lsl (if conf.presentation
then 1 else 0) in
1988 let opendoc path password
=
1990 state.password
<- password
;
1991 state.gen
<- state.gen
+ 1;
1992 state.docinfo
<- [];
1995 setaalevel
conf.aalevel
;
1997 if String.length
state.origin
= 0
2001 Wsi.settitle
("llpp " ^
(mbtoutf8
(Filename.basename
titlepath)));
2002 wcmd "open %d %s\000%s\000" (btod !wtmode) path password
;
2003 invalidate "reqlayout"
2005 wcmd "reqlayout %d %d %d %s\000"
2006 conf.angle
(int_of_fitmodel conf.fitmodel
)
2007 (stateh state.winh
) state.nameddest
2012 state.anchor <- getanchor ();
2013 opendoc state.path
state.password
;
2017 let c = c *. conf.colorscale
in
2021 let scalecolor2 (r, g, b) =
2022 (r *. conf.colorscale
, g *. conf.colorscale
, b *. conf.colorscale
);
2025 let docolumns = function
2027 let a = Array.make
state.pagecount
(-1, -1, -1, (-1, -1, -1, -1)) in
2028 let rec loop pageno pdimno pdim
y ph pdims
=
2029 if pageno = state.pagecount
2032 let pdimno, ((_, w, h, xoff
) as pdim
), pdims
=
2034 | ((pageno'
, _, _, _) as pdim
) :: rest
when pageno'
= pageno ->
2035 pdimno+1, pdim
, rest
2039 let x = max
0 (((state.winw
- state.scrollw
- w) / 2) - xoff
) in
2041 (if conf.presentation
2042 then (if pageno = 0 then calcips h else calcips ph
+ calcips h)
2043 else (if pageno = 0 then 0 else conf.interpagespace
)
2046 a.(pageno) <- (pdimno, x, y, pdim
);
2047 loop (pageno+1) pdimno pdim
(y + h) h pdims
2049 loop 0 ~
-1 (-1,-1,-1,-1) 0 0 state.pdims
;
2050 conf.columns
<- Csingle
a;
2052 | Cmulti
((columns
, coverA
, coverB
), _) ->
2053 let a = Array.make
state.pagecount
(-1, -1, -1, (-1, -1, -1, -1)) in
2054 let rec loop pageno pdimno pdim
x y rowh pdims
=
2055 let rec fixrow m
= if m
= pageno then () else
2056 let (pdimno, x, y, ((_, _, h, _) as pdim
)) = a.(m
) in
2059 let y = y + (rowh
- h) / 2 in
2060 a.(m
) <- (pdimno, x, y, pdim
);
2064 if pageno = state.pagecount
2065 then fixrow (((pageno - 1) / columns
) * columns
)
2067 let pdimno, ((_, w, h, xoff
) as pdim
), pdims
=
2069 | ((pageno'
, _, _, _) as pdim
) :: rest
when pageno'
= pageno ->
2070 pdimno+1, pdim
, rest
2075 if pageno = coverA
- 1 || pageno = state.pagecount
- coverB
2077 let x = (state.winw
- state.scrollw
- w) / 2 in
2079 if conf.presentation
then calcips h else conf.interpagespace
in
2080 x, y + ips + rowh
, h
2083 if (pageno - coverA
) mod columns
= 0
2085 let x = max
0 (state.winw
- state.scrollw
- state.w) / 2 in
2087 if conf.presentation
2089 let ips = calcips h in
2090 y + (if pageno = 0 then 0 else calcips rowh
+ ips)
2092 y + (if pageno = 0 then 0 else conf.interpagespace
)
2096 else x, y, max rowh
h
2100 if pageno > 1 && (pageno - coverA
) mod columns
= 0
2103 if pageno = columns
&& conf.presentation
2105 let ips = calcips rowh
in
2106 for i
= 0 to pred columns
2108 let (pdimno, x, y, pdim
) = a.(i
) in
2109 a.(i
) <- (pdimno, x, y+ips, pdim
)
2115 fixrow (pageno - columns
);
2120 a.(pageno) <- (pdimno, x, y, pdim
);
2121 let x = x + w + xoff
*2 + conf.interpagespace
in
2122 loop (pageno+1) pdimno pdim
x y rowh' pdims
2124 loop 0 ~
-1 (-1,-1,-1,-1) 0 0 0 state.pdims
;
2125 conf.columns
<- Cmulti
((columns
, coverA
, coverB
), a);
2128 let a = Array.make
(state.pagecount
*c) (-1, -1, -1, (-1, -1, -1, -1)) in
2129 let rec loop pageno pdimno pdim
y pdims
=
2130 if pageno = state.pagecount
2133 let pdimno, ((_, w, h, _) as pdim
), pdims
=
2135 | ((pageno'
, _, _, _) as pdim
) :: rest
when pageno'
= pageno ->
2136 pdimno+1, pdim
, rest
2141 let rec loop1 n x y =
2142 if n = c then y else (
2143 a.(pageno*c + n) <- (pdimno, x, y, pdim
);
2144 loop1 (n+1) (x+cw) (y + h + conf.interpagespace
)
2147 let y = loop1 0 0 y in
2148 loop (pageno+1) pdimno pdim
y pdims
2150 loop 0 ~
-1 (-1,-1,-1,-1) 0 state.pdims
;
2151 conf.columns
<- Csplit
(c, a);
2155 docolumns conf.columns
;
2156 state.maxy
<- calcheight ();
2158 if state.x = 0 && state.w <= state.winw
- state.scrollw
2162 if state.reprf
== noreprf
2164 match state.mode
with
2165 | Birdseye
(_, _, pageno, _, _) ->
2166 let y, h = getpageyh pageno in
2167 let top = (state.winh
- h) / 2 in
2168 gotoy (max
0 (y - top))
2169 | _ -> gotoanchor state.anchor
2173 state.reprf
<- noreprf;
2178 GlDraw.viewport
0 0 w h;
2179 let firsttime = state.geomcmds
== firstgeomcmds in
2180 if not
firsttime && nogeomcmds state.geomcmds
2181 then state.anchor <- getanchor ();
2184 let w = truncate
(float w *. conf.zoom
) - state.scrollw
in
2187 setfontsize fstate.fontsize
;
2188 GlMat.mode `modelview
;
2189 GlMat.load_identity
();
2191 GlMat.mode `projection
;
2192 GlMat.load_identity
();
2193 GlMat.rotate ~
x:1.0 ~angle
:180.0 ();
2194 GlMat.translate ~
x:~
-.1.0 ~
y:~
-.1.0 ();
2195 GlMat.scale3
(2.0 /. float state.winw
, 2.0 /. float state.winh
, 1.0);
2200 else float state.x /. float state.w
2202 invalidate "geometry"
2206 then state.x <- truncate
(relx *. float w);
2208 match conf.columns
with
2210 | Cmulti
((c, _, _), _) -> (w - (c-1)*conf.interpagespace
) / c
2211 | Csplit
(c, _) -> w * c
2213 wcmd "geometry %d %d %d"
2214 w (stateh h) (int_of_fitmodel conf.fitmodel
)
2219 let len = String.length
state.text in
2222 match state.mode
with
2225 let h, _, _ = state.uioh#scrollpw
in
2231 (x, float (state.winh
- (fstate.fontsize
+ 4) - hscrollh))
2232 (x+.w, float (state.winh
- hscrollh))
2235 let w = float (state.winw
- state.scrollw
- 1) in
2236 if state.progress
>= 0.0 && state.progress
< 1.0
2238 GlDraw.color
(0.3, 0.3, 0.3);
2239 let w1 = w *. state.progress
in
2241 GlDraw.color
(0.0, 0.0, 0.0);
2245 GlDraw.color
(0.0, 0.0, 0.0);
2249 GlDraw.color
(1.0, 1.0, 1.0);
2250 drawstring fstate.fontsize
2251 (if len > 0 then 8 else 2) (state.winh
- hscrollh - 5) s;
2254 match state.mode
with
2255 | Textentry
((prefix
, text, _, _, _, _), _) ->
2259 Printf.sprintf
"%s%s_ [%s]" prefix
text state.text
2261 Printf.sprintf
"%s%s_" prefix
text
2270 if not
(istextentry state.mode
) && state.uioh#eformsgs
2272 let s1 = "(press 'e' to review error messasges)" in
2273 if String.length
s > 0 then s ^
" " ^
s1 else s1
2278 if String.length
s > 0
2283 let len = Queue.length
state.tilelru
in
2285 match state.throttle
with
2288 then preloadlayout state.y
2290 | Some
(layout, _, _) ->
2294 if state.memused
<= conf.memlimit
2299 let (k
, p
, s) as lruitem
= Queue.pop
state.tilelru
in
2300 let n, gen
, colorspace
, angle
, pagew
, pageh
, col, row = k
in
2301 let (_, pw, ph
, _) = getpagedim n in
2304 && colorspace
= conf.colorspace
2305 && angle
= conf.angle
2309 let x = col*conf.tilew
2310 and y = row*conf.tileh
in
2311 tilevisible (Lazy.force_val
layout) n x y
2313 then Queue.push lruitem
state.tilelru
2316 wcmd "freetile %s" p
;
2317 state.memused
<- state.memused
- s;
2318 state.uioh#infochanged Memused
;
2319 Hashtbl.remove
state.tilemap k
;
2327 let logcurrently = function
2328 | Idle
-> dolog
"Idle"
2329 | Loading
(l, gen
) ->
2330 dolog
"Loading %d gen=%d curgen=%d" l.pageno gen
state.gen
2331 | Tiling
(l, pageopaque
, colorspace
, angle
, gen
, col, row, tilew
, tileh
) ->
2333 "Tiling %d[%d,%d] page=%s cs=%s angle"
2334 l.pageno col row pageopaque
2335 (colorspace_to_string colorspace
)
2337 dolog
"gen=(%d,%d) (%d,%d) tile=(%d,%d) (%d,%d)"
2338 angle gen
conf.angle
state.gen
2340 conf.tilew
conf.tileh
2347 let r = Str.regexp
" " in
2348 fun s -> Str.bounded_split
r s 2;
2351 let onpagerect pageno f =
2353 match conf.columns
with
2354 | Cmulti
(_, b) -> b
2356 | Csplit
(_, b) -> b
2358 if pageno >= 0 && pageno < Array.length
b
2360 let (pdimno, _, _, (_, _, _, _)) = b.(pageno) in
2361 let r = getpdimrect
pdimno in
2362 f (r.(1)-.r.(0)) (r.(3)-.r.(2))
2365 let gotopagexy1 pageno x y =
2366 onpagerect pageno (fun w h ->
2368 let _,w1,_,leftx
= getpagedim pageno in
2369 let wh = state.winh
- state.hscrollh in
2370 let sw = float w1 /. w in
2372 let x = leftx
+ state.x + truncate
x in
2374 if x < 0 || x >= state.winw
- state.scrollw
2378 let py, h = getpageyh pageno in
2379 let pdy = truncate
(top *. float h) in
2380 let y'
= py + pdy in
2381 let dy = y'
- state.y in
2383 if x != state.x || not
(dy > 0 && dy < wh)
2385 if conf.presentation
2387 if abs
(py - y'
) > wh
2394 if state.x != sx || state.y != sy
2399 let ww = state.winw
- state.scrollw
in
2401 and qy
= pdy / wh in
2403 and y = py + qy
* wh in
2404 let x = if -x + ww > w1 then -(w1-ww) else x
2405 and y'
= if y + wh > state.maxy
then state.maxy
- wh else y in
2407 if conf.presentation
2409 if abs
(py - y'
) > wh
2420 if x = 0 && state.w <= state.winw
- state.scrollw
2424 gotoy_and_clear_text y;
2426 else gotoy_and_clear_text state.y;
2430 let gotopagexy pageno x y =
2431 match state.mode
with
2432 | Birdseye
_ -> gotopage pageno 0.0
2433 | _ -> gotopagexy1 pageno x y
2437 (* dolog "%S" cmds; *)
2438 let cl = splitatspace cmds
in
2440 try Scanf.sscanf
s fmt
f
2442 dolog
"error processing '%S': %s" cmds
(exntos exn
);
2447 state.uioh#infochanged Pdim
;
2450 | "clearrects" :: [] ->
2451 state.rects
<- state.rects1
;
2452 G.postRedisplay "clearrects";
2454 | "continue" :: args :: [] ->
2455 let n = scan args "%u" (fun n -> n) in
2456 state.pagecount
<- n;
2457 begin match state.currently
with
2459 state.currently
<- Idle
;
2460 state.outlines
<- Array.of_list
(List.rev
l)
2464 let cur, cmds
= state.geomcmds
in
2465 if String.length
cur = 0
2466 then failwith
"umpossible";
2468 begin match List.rev cmds
with
2470 state.geomcmds
<- "", [];
2474 state.geomcmds
<- s, List.rev rest
;
2476 if conf.maxwait
= None
&& not
!wtmode
2477 then G.postRedisplay "continue";
2479 | "title" :: args :: [] ->
2482 | "msg" :: args :: [] ->
2485 | "vmsg" :: args :: [] ->
2487 then showtext ' '
args
2489 | "emsg" :: args :: [] ->
2490 Buffer.add_string
state.errmsgs
args;
2491 state.newerrmsgs
<- true;
2492 G.postRedisplay "error message"
2494 | "progress" :: args :: [] ->
2495 let progress, text =
2498 f, String.sub
args pos
(String.length
args - pos
))
2501 state.progress <- progress;
2502 G.postRedisplay "progress"
2504 | "firstmatch" :: args :: [] ->
2505 let pageno, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
=
2506 scan args "%u %d %f %f %f %f %f %f %f %f"
2507 (fun p
c x0 y0 x1 y1 x2 y2 x3 y3
->
2508 (p
, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
))
2510 let y = (getpagey pageno) + truncate
y0 in
2513 state.rects1
<- [pageno, c, (x0, y0, x1, y1, x2
, y2
, x3
, y3
)]
2515 | "match" :: args :: [] ->
2516 let pageno, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
=
2517 scan args "%u %d %f %f %f %f %f %f %f %f"
2518 (fun p
c x0 y0 x1 y1 x2 y2 x3 y3
->
2519 (p
, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
))
2522 (pageno, c, (x0, y0, x1, y1, x2
, y2
, x3
, y3
)) :: state.rects1
2524 | "page" :: args :: [] ->
2525 let pageopaque, t
= scan args "%s %f" (fun p t
-> p
, t
) in
2526 begin match state.currently
with
2527 | Loading
(l, gen
) ->
2528 vlog "page %d took %f sec" l.pageno t
;
2529 Hashtbl.replace
state.pagemap
(l.pageno, gen
) pageopaque;
2530 begin match state.throttle
with
2532 let preloadedpages =
2534 then preloadlayout state.y
2539 List.fold_left
(fun s l -> IntSet.add
l.pageno s)
2540 IntSet.empty
preloadedpages
2543 Hashtbl.fold (fun ((pageno, _) as key) opaque
accu ->
2544 if not
(IntSet.mem
pageno set)
2546 wcmd "freepage %s" opaque
;
2552 List.iter
(Hashtbl.remove
state.pagemap
) evictedpages;
2555 state.currently
<- Idle
;
2558 tilepage l.pageno pageopaque state.layout;
2560 load preloadedpages;
2561 if pagevisible state.layout l.pageno
2562 && layoutready state.layout
2563 then G.postRedisplay "page";
2566 | Some
(layout, _, _) ->
2567 state.currently
<- Idle
;
2568 tilepage l.pageno pageopaque layout;
2573 dolog
"Inconsistent loading state";
2574 logcurrently state.currently
;
2578 | "tile" :: args :: [] ->
2579 let (x, y, opaque
, size
, t
) =
2580 scan args "%u %u %s %u %f"
2581 (fun x y p size t
-> (x, y, p
, size
, t
))
2583 begin match state.currently
with
2584 | Tiling
(l, pageopaque, cs
, angle
, gen
, col, row, tilew
, tileh
) ->
2585 vlog "tile %d [%d,%d] took %f sec" l.pageno col row t
;
2588 if tilew
!= conf.tilew
|| tileh
!= conf.tileh
2590 wcmd "freetile %s" opaque
;
2591 state.currently
<- Idle
;
2595 puttileopaque l col row gen cs angle opaque size t
;
2596 state.memused
<- state.memused
+ size
;
2597 state.uioh#infochanged Memused
;
2599 Queue.push
((l.pageno, gen
, cs
, angle
, l.pagew
, l.pageh
, col, row),
2600 opaque
, size
) state.tilelru
;
2603 match state.throttle
with
2604 | None
-> state.layout
2605 | Some
(layout, _, _) -> layout
2608 state.currently
<- Idle
;
2610 && conf.colorspace
= cs
2611 && conf.angle
= angle
2612 && tilevisible layout l.pageno x y
2613 then conttiling l.pageno pageopaque;
2615 begin match state.throttle
with
2617 preload state.layout;
2619 && conf.colorspace
= cs
2620 && conf.angle
= angle
2621 && tilevisible state.layout l.pageno x y
2622 && (not
!wtmode || layoutready state.layout)
2623 then G.postRedisplay "tile nothrottle";
2625 | Some
(layout, y, _) ->
2626 let ready = layoutready layout in
2630 state.layout <- layout;
2631 state.throttle
<- None
;
2632 G.postRedisplay "throttle";
2639 dolog
"Inconsistent tiling state";
2640 logcurrently state.currently
;
2644 | "pdim" :: args :: [] ->
2645 let (n, w, h, _) as pdim
=
2646 scan args "%u %u %u %u" (fun n w h x -> n, w, h, x)
2649 match conf.fitmodel
, conf.columns
with
2650 | (FitPage
| FitProportional
), Csplit
_ -> (n, w, h, 0)
2653 state.uioh#infochanged Pdim
;
2654 state.pdims
<- pdim :: state.pdims
2656 | "o" :: args :: [] ->
2657 let (l, n, t
, h, pos
) =
2658 scan args "%u %u %d %u %n"
2659 (fun l n t
h pos
-> l, n, t
, h, pos
)
2661 let s = String.sub
args pos
(String.length
args - pos
) in
2662 let outline = (s, l, (n, float t
/. float h, 0.0)) in
2663 begin match state.currently
with
2664 | Outlining outlines
->
2665 state.currently
<- Outlining
(outline :: outlines
)
2667 state.currently
<- Outlining
[outline]
2669 dolog
"invalid outlining state";
2670 logcurrently currently
2673 | "a" :: args :: [] ->
2675 scan args "%u %d %d" (fun n l t
-> n, l, t
)
2677 state.reprf
<- (fun () -> gotopagexy n (float l) (float t
))
2679 | "info" :: args :: [] ->
2680 state.docinfo
<- (1, args) :: state.docinfo
2682 | "infoend" :: [] ->
2683 state.uioh#infochanged Docinfo
;
2684 state.docinfo
<- List.rev
state.docinfo
2687 failwith
(Printf.sprintf
"unknown cmd `%S'" cmds
)
2692 let action = function
2693 | HCprev
-> cbget cb ~
-1
2694 | HCnext
-> cbget cb
1
2695 | HCfirst
-> cbget cb ~
-(cb
.rc)
2696 | HClast
-> cbget cb
(cb
.len - 1 - cb
.rc)
2697 and cancel
() = cb
.rc <- rc
2701 let search pattern forward
=
2702 match conf.columns
with
2704 showtext '
!'
"searching does not work properly in split columns mode"
2706 if String.length pattern
> 0
2709 match state.layout with
2712 l.pageno, (l.pagey + if forward
then 0 else 0*l.pagevh)
2714 wcmd "search %d %d %d %d,%s\000"
2715 (btod conf.icase
) pn py (btod forward
) pattern
;
2718 let intentry text key =
2720 if key >= 32 && key < 127
2726 let text = addchar text c in
2730 state.text <- Printf.sprintf
"invalid char (%d, `%c')" key c;
2734 let linknentry text key =
2736 if key >= 32 && key < 127
2742 let text = addchar text c in
2746 state.text <- Printf.sprintf
"invalid char (%d, `%c')" key c;
2751 if String.length
s > 0
2754 let l = String.length
s in
2755 let rec loop pos
n = if pos
= l then n else
2756 let m = Char.code
s.[pos
] - (if pos
= 0 && l > 1 then 96 else 97) in
2757 loop (pos
+1) (n*26 + m)
2760 let rec loop n = function
2763 match getopaque l.pageno with
2764 | None
-> loop n rest
2766 let m = getlinkcount opaque
in
2769 let under = getlink opaque
n in
2772 else loop (n-m) rest
2774 loop n state.layout;
2778 let textentry text key =
2779 if key land 0xff00 = 0xff00
2781 else TEcont
(text ^ toutf8
key)
2784 let reqlayout angle fitmodel
=
2785 match state.throttle
with
2787 if nogeomcmds state.geomcmds
2788 then state.anchor <- getanchor ();
2789 conf.angle
<- angle
mod 360;
2792 match state.mode
with
2793 | LinkNav
_ -> state.mode
<- View
2796 conf.fitmodel
<- fitmodel
;
2797 invalidate "reqlayout"
2799 wcmd "reqlayout %d %d %d"
2800 conf.angle
(int_of_fitmodel conf.fitmodel
) (stateh state.winh
)
2805 let settrim trimmargins trimfuzz
=
2806 if nogeomcmds state.geomcmds
2807 then state.anchor <- getanchor ();
2808 conf.trimmargins
<- trimmargins
;
2809 conf.trimfuzz
<- trimfuzz
;
2810 let x0, y0, x1, y1 = trimfuzz
in
2811 invalidate "settrim"
2813 wcmd "settrim %d %d %d %d %d" (btod conf.trimmargins
) x0 y0 x1 y1);
2818 match state.throttle
with
2820 let zoom = max
0.0001 zoom in
2821 if zoom <> conf.zoom
2823 state.prevzoom
<- conf.zoom;
2825 reshape state.winw
state.winh
;
2826 state.text <- Printf.sprintf
"zoom is now %-5.2f" (zoom *. 100.0);
2829 | Some
(layout, y, started
) ->
2831 match conf.maxwait
with
2835 let dt = now () -. started
in
2843 let setcolumns mode columns coverA coverB
=
2844 state.prevcolumns
<- Some
(conf.columns
, conf.zoom);
2848 then showtext '
!'
"split mode doesn't work in bird's eye"
2850 conf.columns
<- Csplit
(-columns
, [||]);
2858 conf.columns
<- Csingle
[||];
2863 conf.columns
<- Cmulti
((columns
, coverA
, coverB
), [||]);
2867 reshape state.winw
state.winh
;
2870 let enterbirdseye () =
2871 let zoom = float conf.thumbw
/. float state.winw
in
2872 let birdseyepageno =
2873 let cy = state.winh
/ 2 in
2877 let rec fold best
= function
2880 let d = cy - (l.pagedispy + l.pagevh/2)
2881 and dbest
= cy - (best
.pagedispy + best
.pagevh/2) in
2882 if abs
d < abs dbest
2889 state.mode
<- Birdseye
(
2890 { conf with zoom = conf.zoom }, state.x, birdseyepageno, -1, getanchor ()
2893 conf.presentation
<- false;
2894 conf.interpagespace
<- 10;
2895 conf.hlinks
<- false;
2896 conf.fitmodel
<- FitProportional
;
2898 state.mstate
<- Mnone
;
2899 conf.maxwait
<- None
;
2901 match conf.beyecolumns
with
2904 Cmulti
((c, 0, 0), [||])
2905 | None
-> Csingle
[||]
2907 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
2910 state.text <- Printf.sprintf
"birds eye mode on (zoom %3.1f%%)"
2915 reshape state.winw
state.winh
;
2918 let leavebirdseye (c, leftx
, pageno, _, anchor) goback
=
2920 conf.zoom <- c.zoom;
2921 conf.presentation
<- c.presentation
;
2922 conf.interpagespace
<- c.interpagespace
;
2923 conf.maxwait
<- c.maxwait
;
2924 conf.hlinks
<- c.hlinks
;
2925 conf.fitmodel
<- c.fitmodel
;
2926 conf.beyecolumns
<- (
2927 match conf.columns
with
2928 | Cmulti
((c, _, _), _) -> Some
c
2930 | Csplit
_ -> failwith
"leaving bird's eye split mode"
2933 match c.columns
with
2934 | Cmulti
(c, _) -> Cmulti
(c, [||])
2935 | Csingle
_ -> Csingle
[||]
2936 | Csplit
(c, _) -> Csplit
(c, [||])
2941 state.text <- Printf.sprintf
"birds eye mode off (zoom %3.1f%%)"
2944 reshape state.winw
state.winh
;
2945 state.anchor <- if goback
then anchor else (pageno, 0.0, 1.0);
2948 let togglebirdseye () =
2949 match state.mode
with
2950 | Birdseye vals
-> leavebirdseye vals
true
2951 | View
-> enterbirdseye ()
2955 let upbirdseye incr
(conf, leftx
, pageno, hooverpageno
, anchor) =
2956 let pageno = max
0 (pageno - incr
) in
2957 let rec loop = function
2958 | [] -> gotopage1 pageno 0
2959 | l :: _ when l.pageno = pageno ->
2960 if l.pagedispy >= 0 && l.pagey = 0
2961 then G.postRedisplay "upbirdseye"
2962 else gotopage1 pageno 0
2963 | _ :: rest
-> loop rest
2966 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor)
2969 let downbirdseye incr
(conf, leftx
, pageno, hooverpageno
, anchor) =
2970 let pageno = min
(state.pagecount
- 1) (pageno + incr
) in
2971 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor);
2972 let rec loop = function
2974 let y, h = getpageyh pageno in
2975 let dy = (y - state.y) - (state.winh
- h - conf.interpagespace
) in
2977 | l :: _ when l.pageno = pageno ->
2978 if l.pagevh != l.pageh
2979 then gotoy (clamp (l.pageh
- l.pagevh + conf.interpagespace
))
2980 else G.postRedisplay "downbirdseye"
2981 | _ :: rest
-> loop rest
2986 let optentry mode
_ key =
2987 let btos b = if b then "on" else "off" in
2988 if key >= 32 && key < 127
2990 let c = Char.chr
key in
2994 try conf.scrollstep
<- int_of_string
s with exc
->
2995 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
2997 TEswitch
("scroll step: ", "", None
, intentry, ondone, true)
3002 conf.autoscrollstep
<- int_of_string
s;
3003 if state.autoscroll
<> None
3004 then state.autoscroll
<- Some
conf.autoscrollstep
3006 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
3008 TEswitch
("auto scroll step: ", "", None
, intentry, ondone, true)
3013 let n, a, b = multicolumns_of_string s in
3014 setcolumns mode
n a b;
3016 state.text <- Printf.sprintf
"bad columns `%s': %s" s (exntos exc
)
3018 TEswitch
("columns: ", "", None
, textentry, ondone, true)
3023 let zoom = float (int_of_string
s) /. 100.0 in
3026 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
3028 TEswitch
("zoom: ", "", None
, intentry, ondone, true)
3033 conf.thumbw
<- bound (int_of_string
s) 2 4096;
3035 Printf.sprintf
"thumbnail width is set to %d" conf.thumbw
;
3036 begin match mode
with
3038 leavebirdseye beye
false;
3043 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
3045 TEswitch
("thumbnail width: ", "", None
, intentry, ondone, true)
3050 Some
(int_of_string
s)
3052 state.text <- Printf.sprintf
"bad integer `%s': %s"
3056 | Some angle
-> reqlayout angle
conf.fitmodel
3059 TEswitch
("rotation: ", "", None
, intentry, ondone, true)
3062 conf.icase
<- not
conf.icase
;
3063 TEdone
("case insensitive search " ^
(btos conf.icase
))
3066 conf.preload <- not
conf.preload;
3068 TEdone
("preload " ^
(btos conf.preload))
3071 conf.verbose
<- not
conf.verbose
;
3072 TEdone
("verbose " ^
(btos conf.verbose
))
3075 conf.debug
<- not
conf.debug
;
3076 TEdone
("debug " ^
(btos conf.debug
))
3079 conf.maxhfit
<- not
conf.maxhfit
;
3080 state.maxy
<- calcheight ();
3081 TEdone
("maxhfit " ^
(btos conf.maxhfit
))
3084 conf.crophack
<- not
conf.crophack
;
3085 TEdone
("crophack " ^
btos conf.crophack
)
3089 match conf.maxwait
with
3091 conf.maxwait
<- Some infinity
;
3092 "always wait for page to complete"
3094 conf.maxwait
<- None
;
3095 "show placeholder if page is not ready"
3100 conf.underinfo
<- not
conf.underinfo
;
3101 TEdone
("underinfo " ^
btos conf.underinfo
)
3104 conf.savebmarks
<- not
conf.savebmarks
;
3105 TEdone
("persistent bookmarks " ^
btos conf.savebmarks
)
3111 match state.layout with
3116 conf.interpagespace
<- int_of_string
s;
3117 docolumns conf.columns
;
3118 state.maxy
<- calcheight ();
3119 let y = getpagey pageno in
3122 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
3124 TEswitch
("vertical margin: ", "", None
, intentry, ondone, true)
3128 match conf.fitmodel
with
3129 | FitProportional
-> FitWidth
3130 | _ -> FitProportional
3132 reqlayout conf.angle
fm;
3133 TEdone
("proportional display " ^
btos (fm == FitProportional
))
3136 settrim (not
conf.trimmargins
) conf.trimfuzz
;
3137 TEdone
("trim margins " ^
btos conf.trimmargins
)
3140 conf.invert
<- not
conf.invert
;
3141 TEdone
("invert colors " ^
btos conf.invert
)
3145 cbput state.hists
.sel
s;
3148 TEswitch
("selection command: ", "", Some
(onhist state.hists
.sel
),
3149 textentry, ondone, true)
3152 state.text <- Printf.sprintf
"bad option %d `%c'" key c;
3158 class type lvsource
= object
3159 method getitemcount
: int
3160 method getitem
: int -> (string * int)
3161 method hasaction
: int -> bool
3170 method getactive
: int
3171 method getfirst
: int
3172 method getqsearch
: string
3173 method setqsearch
: string -> unit
3177 class virtual lvsourcebase
= object
3178 val mutable m_active
= 0
3179 val mutable m_first
= 0
3180 val mutable m_qsearch
= ""
3181 val mutable m_pan
= 0
3182 method getactive
= m_active
3183 method getfirst
= m_first
3184 method getqsearch
= m_qsearch
3185 method getpan
= m_pan
3186 method setqsearch
s = m_qsearch
<- s
3189 let withoutlastutf8 s =
3190 let len = String.length
s in
3198 let b = Char.code
s.[pos
] in
3199 if b land 0b11000000 = 0b11000000
3204 if Char.code
s.[len-1] land 0x80 = 0
3208 String.sub
s 0 first;
3211 let textentrykeyboard
3212 key _mask
((c, text, opthist
, onkey
, ondone, cancelonempty
), onleave
) =
3214 if key >= 0xffb0 && key <= 0xffb9
3215 then key - 0xffb0 + 48 else key
3218 state.mode
<- Textentry
(te
, onleave
);
3221 G.postRedisplay "textentrykeyboard enttext";
3223 let histaction cmd
=
3226 | Some
(action, _) ->
3227 state.mode
<- Textentry
(
3228 (c, action cmd
, opthist
, onkey
, ondone, cancelonempty
), onleave
3230 G.postRedisplay "textentry histaction"
3233 | 0xff08 -> (* backspace *)
3234 let s = withoutlastutf8 text in
3235 let len = String.length
s in
3236 if cancelonempty
&& len = 0
3239 G.postRedisplay "textentrykeyboard after cancel";
3242 enttext (c, s, opthist
, onkey
, ondone, cancelonempty
)
3245 | 0xff0d | 0xff8d -> (* (kp) enter *)
3248 G.postRedisplay "textentrykeyboard after confirm"
3250 | 0xff52 | 0xff97 -> histaction HCprev
(* (kp) up *)
3251 | 0xff54 | 0xff99 -> histaction HCnext
(* (kp) down *)
3252 | 0xff50 | 0xff95 -> histaction HCfirst
(* (kp) home) *)
3253 | 0xff57 | 0xff9c -> histaction HClast
(* (kp) end *)
3255 | 0xff1b -> (* escape*)
3256 if String.length
text = 0
3258 begin match opthist
with
3260 | Some
(_, onhistcancel
) -> onhistcancel
()
3264 G.postRedisplay "textentrykeyboard after cancel2"
3267 enttext (c, "", opthist
, onkey
, ondone, cancelonempty
)
3270 | 0xff9f | 0xffff -> () (* delete *)
3273 && key land 0xff00 != 0xff00 (* keyboard *)
3274 && key land 0xfe00 != 0xfe00 (* xkb *)
3275 && key land 0xfd00 != 0xfd00 (* 3270 *)
3277 begin match onkey
text key with
3281 G.postRedisplay "textentrykeyboard after confirm2";
3284 enttext (c, text, opthist
, onkey
, ondone, cancelonempty
);
3288 G.postRedisplay "textentrykeyboard after cancel3"
3291 state.mode
<- Textentry
(te
, onleave
);
3292 G.postRedisplay "textentrykeyboard switch";
3296 vlog "unhandled key %s" (Wsi.keyname
key)
3299 let firstof first active
=
3300 if first > active
|| abs
(first - active
) > fstate.maxrows
- 1
3301 then max
0 (active
- (fstate.maxrows
/2))
3305 let calcfirst first active
=
3308 let rows = active
- first in
3309 if rows > fstate.maxrows
then active
- fstate.maxrows
else first
3313 let scrollph y maxy
=
3314 let sh = float (maxy
+ state.winh
) /. float state.winh
in
3315 let sh = float state.winh
/. sh in
3316 let sh = max
sh (float conf.scrollh
) in
3318 let percent = float y /. float maxy
in
3319 let position = (float state.winh
-. sh) *. percent in
3322 if position +. sh > float state.winh
3323 then float state.winh
-. sh
3329 let coe s = (s :> uioh
);;
3331 class listview ~
(source
:lvsource
) ~trusted ~modehash
=
3333 val m_pan
= source#getpan
3334 val m_first
= source#getfirst
3335 val m_active
= source#getactive
3336 val m_qsearch
= source#getqsearch
3337 val m_prev_uioh
= state.uioh
3339 method private elemunder
y =
3340 let n = y / (fstate.fontsize
+1) in
3341 if m_first
+ n < source#getitemcount
3343 if source#hasaction
(m_first
+ n)
3344 then Some
(m_first
+ n)
3351 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
3352 GlDraw.color
(0., 0., 0.) ~alpha
:0.85;
3353 GlDraw.rect (0., 0.) (float state.winw
, float state.winh
);
3354 GlDraw.color
(1., 1., 1.);
3355 Gl.enable `texture_2d
;
3356 let fs = fstate.fontsize
in
3358 let ww = fstate.wwidth
in
3359 let tabw = 30.0*.ww in
3360 let itemcount = source#getitemcount
in
3362 if (row - m_first
) > fstate.maxrows
3365 if row >= 0 && row < itemcount
3367 let (s, level
) = source#getitem
row in
3368 let y = (row - m_first
) * nfs in
3369 let x = 5.0 +. float (level
+ m_pan
) *. ww in
3372 Gl.disable `texture_2d
;
3373 GlDraw.polygon_mode `both `line
;
3374 let alpha = if source#hasaction
row then 0.9 else 0.3 in
3375 GlDraw.color
(1., 1., 1.) ~
alpha;
3376 GlDraw.rect (1., float (y + 1))
3377 (float (state.winw
- conf.scrollbw
- 1), float (y + fs + 3));
3378 GlDraw.polygon_mode `both `fill
;
3379 GlDraw.color
(1., 1., 1.);
3380 Gl.enable `texture_2d
;
3383 let drawtabularstring s =
3384 let drawstr x s = drawstring1 fs (truncate
x) (y+nfs) s in
3387 let tabpos = try String.index
s '
\t'
with Not_found
-> -1 in
3390 let len = String.length
s - tabpos - 1 in
3391 let s1 = String.sub
s 0 tabpos
3392 and s2
= String.sub
s (tabpos + 1) len in
3393 let nx = drawstr x s1 in
3395 let x = x +. (max
tabw sw) in
3402 let _ = drawtabularstring s in
3409 Gl.disable `texture_2d
;
3411 method updownlevel incr
=
3412 let len = source#getitemcount
in
3414 if m_active
>= 0 && m_active
< len
3415 then snd
(source#getitem m_active
)
3419 if i
= len then i
-1 else if i
= -1 then 0 else
3420 let _, l = source#getitem i
in
3421 if l != curlevel then i
else flow (i
+incr
)
3423 let active = flow m_active
in
3424 let first = calcfirst m_first
active in
3425 G.postRedisplay "outline updownlevel";
3426 {< m_active
= active; m_first
= first >}
3428 method private key1
key mask
=
3429 let set1 active first qsearch
=
3430 coe {< m_active
= active; m_first
= first; m_qsearch
= qsearch
>}
3432 let search active pattern incr
=
3433 let active = if active = -1 then m_first
else active in
3436 if n >= 0 && n < source#getitemcount
3438 let s, _ = source#getitem
n in
3440 (try ignore
(Str.search_forward
re s 0); true
3441 with Not_found
-> false)
3443 else loop (n + incr
)
3450 let re = Str.regexp_case_fold pattern
in
3456 let itemcount = source#getitemcount
in
3457 let find start incr
=
3459 if i
= -1 || i
= itemcount
3462 if source#hasaction i
3464 else find (i
+ incr
)
3469 let set active first =
3470 let first = bound first 0 (itemcount - fstate.maxrows
) in
3472 coe {< m_active
= active; m_first
= first; m_qsearch
= "" >}
3475 let isvisible first n = n >= first && n - first <= fstate.maxrows
in
3477 let incr1 = if incr
> 0 then 1 else -1 in
3478 if isvisible m_first m_active
3481 let next = m_active
+ incr
in
3483 if next < 0 || next >= itemcount
3485 else find next incr1
3487 if abs
(m_active
- next) > fstate.maxrows
3493 let first = m_first
+ incr
in
3494 let first = bound first 0 (itemcount - 1) in
3496 let next = m_active
+ incr
in
3497 let next = bound next 0 (itemcount - 1) in
3504 if isvisible first next
3511 let first = min
next m_first
in
3513 if abs
(next - first) > fstate.maxrows
3519 let first = m_first
+ incr
in
3520 let first = bound first 0 (itemcount - 1) in
3522 let next = m_active
+ incr
in
3523 let next = bound next 0 (itemcount - 1) in
3524 let next = find next incr1 in
3526 if next = -1 || abs
(m_active
- first) > fstate.maxrows
3528 let active = if m_active
= -1 then next else m_active
in
3533 if isvisible first active
3539 G.postRedisplay "listview navigate";
3543 | (0x72|0x73) when Wsi.withctrl mask
-> (* ctrl-r/ctlr-s *)
3544 let incr = if key = 0x72 then -1 else 1 in
3546 match search (m_active
+ incr) m_qsearch
incr with
3548 state.text <- m_qsearch ^
" [not found]";
3551 state.text <- m_qsearch
;
3552 active, firstof m_first
active
3554 G.postRedisplay "listview ctrl-r/s";
3555 set1 active first m_qsearch
;
3557 | 0xff63 when Wsi.withctrl mask
-> (* ctrl-insert *)
3558 if m_active
>= 0 && m_active
< source#getitemcount
3560 let s, _ = source#getitem m_active
in
3565 | 0xff08 -> (* backspace *)
3566 if String.length m_qsearch
= 0
3569 let qsearch = withoutlastutf8 m_qsearch
in
3570 let len = String.length
qsearch in
3574 G.postRedisplay "listview empty qsearch";
3575 set1 m_active m_first
"";
3579 match search m_active
qsearch ~
-1 with
3581 state.text <- qsearch ^
" [not found]";
3584 state.text <- qsearch;
3585 active, firstof m_first
active
3587 G.postRedisplay "listview backspace qsearch";
3588 set1 active first qsearch
3591 | key when (key != 0 && key land 0xff00 != 0xff00) ->
3592 let pattern = m_qsearch ^ toutf8
key in
3594 match search m_active
pattern 1 with
3596 state.text <- pattern ^
" [not found]";
3599 state.text <- pattern;
3600 active, firstof m_first
active
3602 G.postRedisplay "listview qsearch add";
3603 set1 active first pattern;
3605 | 0xff1b -> (* escape *)
3607 if String.length m_qsearch
= 0
3609 G.postRedisplay "list view escape";
3612 source#exit
(coe self
) true m_active m_first m_pan m_qsearch
3614 | None
-> m_prev_uioh
3619 G.postRedisplay "list view kill qsearch";
3620 source#setqsearch
"";
3621 coe {< m_qsearch
= "" >}
3624 | 0xff0d | 0xff8d -> (* (kp) enter *)
3626 let self = {< m_qsearch
= "" >} in
3627 source#setqsearch
"";
3629 G.postRedisplay "listview enter";
3630 if m_active
>= 0 && m_active
< source#getitemcount
3632 source#exit
(coe self) false m_active m_first m_pan
"";
3635 source#exit
(coe self) true m_active m_first m_pan
"";
3638 begin match opt with
3639 | None
-> m_prev_uioh
3643 | 0xff9f | 0xffff -> (* (kp) delete *)
3646 | 0xff52 | 0xff97 -> navigate ~
-1 (* (kp) up *)
3647 | 0xff54 | 0xff99 -> navigate 1 (* (kp) down *)
3648 | 0xff55 | 0xff9a -> navigate ~
-(fstate.maxrows
) (* (kp) prior *)
3649 | 0xff56 | 0xff9b -> navigate fstate.maxrows
(* (kp) next *)
3651 | 0xff53 | 0xff98 -> (* (kp) right *)
3653 G.postRedisplay "listview right";
3654 coe {< m_pan
= m_pan
- 1 >}
3656 | 0xff51 | 0xff96 -> (* (kp) left *)
3658 G.postRedisplay "listview left";
3659 coe {< m_pan
= m_pan
+ 1 >}
3661 | 0xff50 | 0xff95 -> (* (kp) home *)
3662 let active = find 0 1 in
3663 G.postRedisplay "listview home";
3666 | 0xff57 | 0xff9c -> (* (kp) end *)
3667 let first = max
0 (itemcount - fstate.maxrows
) in
3668 let active = find (itemcount - 1) ~
-1 in
3669 G.postRedisplay "listview end";
3672 | key when (key = 0 || key land 0xff00 = 0xff00) ->
3676 dolog
"listview unknown key %#x" key; coe self
3678 method key key mask
=
3679 match state.mode
with
3680 | Textentry te
-> textentrykeyboard key mask te
; coe self
3681 | _ -> self#key1
key mask
3683 method button button down
x y _ =
3686 | 1 when x > state.winw
- conf.scrollbw
->
3687 G.postRedisplay "listview scroll";
3690 let _, position, sh = self#
scrollph in
3691 if y > truncate
position && y < truncate
(position +. sh)
3693 state.mstate
<- Mscrolly
;
3697 let s = float (max
0 (y - conf.scrollh
)) /. float state.winh
in
3698 let first = truncate
(s *. float source#getitemcount
) in
3699 let first = min source#getitemcount
first in
3700 Some
(coe {< m_first
= first; m_active
= first >})
3702 state.mstate
<- Mnone
;
3705 | 1 when not down
->
3706 begin match self#elemunder
y with
3708 G.postRedisplay "listview click";
3710 (coe {< m_active
= n >}) false n m_first m_pan m_qsearch
3714 | n when (n == 4 || n == 5) && not down
->
3715 let len = source#getitemcount
in
3717 if n = 5 && m_first
+ fstate.maxrows
>= len
3721 let first = m_first
+ (if n == 4 then -1 else 1) in
3722 bound first 0 (len - 1)
3724 G.postRedisplay "listview wheel";
3725 Some
(coe {< m_first
= first >})
3726 | n when (n = 6 || n = 7) && not down
->
3727 let inc = m_first
+ (if n = 7 then -1 else 1) in
3728 G.postRedisplay "listview hwheel";
3729 Some
(coe {< m_pan
= m_pan
+ inc >})
3734 | None
-> m_prev_uioh
3738 match state.mstate
with
3740 let s = float (max
0 (y - conf.scrollh
)) /. float state.winh
in
3741 let first = truncate
(s *. float source#getitemcount
) in
3742 let first = min source#getitemcount
first in
3743 G.postRedisplay "listview motion";
3744 coe {< m_first
= first; m_active
= first >}
3747 method pmotion
x y =
3748 if x < state.winw
- conf.scrollbw
3751 match self#elemunder
y with
3752 | None
-> Wsi.setcursor
Wsi.CURSOR_INHERIT
; m_active
3753 | Some
n -> Wsi.setcursor
Wsi.CURSOR_INFO
; n
3757 then (G.postRedisplay "listview pmotion"; {< m_active
= n >})
3762 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
3766 method infochanged
_ = ()
3768 method scrollpw
= (0, 0.0, 0.0)
3770 let nfs = fstate.fontsize
+ 1 in
3771 let y = m_first
* nfs in
3772 let itemcount = source#getitemcount
in
3773 let maxi = max
0 (itemcount - fstate.maxrows
) in
3774 let maxy = maxi * nfs in
3775 let p, h = scrollph y maxy in
3778 method modehash
= modehash
3779 method eformsgs
= false
3782 class outlinelistview ~source
=
3785 ~source
:(source
:> lvsource
)
3787 ~modehash
:(findkeyhash conf "outline")
3790 method key key mask
=
3791 let calcfirst first active =
3794 let rows = active - first in
3796 if String.length
state.text = 0
3798 else fstate.maxrows - 2
3800 if rows > maxrows then active - maxrows else first
3804 let active = m_active
+ incr in
3805 let active = bound active 0 (source#getitemcount
- 1) in
3806 let first = calcfirst m_first
active in
3807 G.postRedisplay "outline navigate";
3808 coe {< m_active
= active; m_first
= first >}
3810 let ctrl = Wsi.withctrl mask
in
3812 | 110 when ctrl -> (* ctrl-n *)
3813 source#narrow m_qsearch
;
3814 G.postRedisplay "outline ctrl-n";
3815 coe {< m_first
= 0; m_active
= 0 >}
3817 | 117 when ctrl -> (* ctrl-u *)
3819 G.postRedisplay "outline ctrl-u";
3821 coe {< m_first
= 0; m_active
= 0 >}
3823 | 108 when ctrl -> (* ctrl-l *)
3824 let first = max
0 (m_active
- (fstate.maxrows / 2)) in
3825 G.postRedisplay "outline ctrl-l";
3826 coe {< m_first
= first >}
3828 | 0xff9f | 0xffff -> (* (kp) delete *)
3829 source#remove m_active
;
3830 G.postRedisplay "outline delete";
3831 let active = max
0 (m_active
-1) in
3832 coe {< m_first
= firstof m_first
active;
3833 m_active
= active >}
3835 | 0xff52 | 0xff97 -> navigate ~
-1 (* (kp) up *)
3836 | 0xff54 | 0xff99 -> navigate 1 (* (kp) down *)
3837 | 0xff55 | 0xff9a -> (* (kp) prior *)
3838 navigate ~
-(fstate.maxrows)
3839 | 0xff56 | 0xff9b -> (* (kp) next *)
3840 navigate fstate.maxrows
3842 | 0xff53 | 0xff98 -> (* [ctrl-] (kp) right *)
3846 G.postRedisplay "outline ctrl right";
3847 {< m_pan
= m_pan
+ 1 >}
3849 else self#updownlevel
1
3853 | 0xff51 | 0xff96 -> (* [ctrl-] (kp) left *)
3857 G.postRedisplay "outline ctrl left";
3858 {< m_pan
= m_pan
- 1 >}
3860 else self#updownlevel ~
-1
3864 | 0xff50 | 0xff95 -> (* (kp) home *)
3865 G.postRedisplay "outline home";
3866 coe {< m_first
= 0; m_active
= 0 >}
3868 | 0xff57 | 0xff9c -> (* (kp) end *)
3869 let active = source#getitemcount
- 1 in
3870 let first = max
0 (active - fstate.maxrows) in
3871 G.postRedisplay "outline end";
3872 coe {< m_active
= active; m_first
= first >}
3874 | _ -> super#
key key mask
3877 let outlinesource usebookmarks
=
3880 inherit lvsourcebase
3881 val mutable m_items
= empty
3882 val mutable m_orig_items
= empty
3883 val mutable m_prev_items
= empty
3884 val mutable m_narrow_pattern
= ""
3885 val mutable m_hadremovals
= false
3887 method getitemcount
=
3888 Array.length m_items
+ (if m_hadremovals
then 1 else 0)
3891 if n == Array.length m_items
&& m_hadremovals
3893 ("[Confirm removal]", 0)
3895 let s, n, _ = m_items
.(n) in
3898 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
3899 ignore
(uioh
, first, qsearch);
3900 let confrimremoval = m_hadremovals
&& active = Array.length m_items
in
3902 if String.length m_narrow_pattern
= 0
3908 if not
confrimremoval
3910 let _, _, anchor = m_items
.(active) in
3911 gotoghyll (getanchory anchor);
3915 state.bookmarks
<- Array.to_list m_items
;
3916 m_orig_items
<- m_items
;
3919 else m_items
<- items;
3923 method hasaction
_ = true
3926 if Array.length m_items
!= Array.length m_orig_items
3927 then "Narrowed to " ^ m_narrow_pattern ^
" (ctrl-u to restore)"
3930 method narrow
pattern =
3931 let reopt = try Some
(Str.regexp_case_fold
pattern) with _ -> None
in
3935 let rec loop accu n =
3938 m_narrow_pattern
<- pattern;
3939 m_items
<- Array.of_list
accu
3942 let (s, _, _) as o = m_items
.(n) in
3944 if (try ignore
(Str.search_forward
re s 0); true
3945 with Not_found
-> false)
3951 loop [] (Array.length m_items
- 1)
3956 then Array.of_list
state.bookmarks
3959 m_items
<- m_orig_items
3964 if m >= 0 && m < Array.length m_items
3966 m_hadremovals
<- true;
3967 m_items
<- Array.init
(Array.length m_items
- 1) (fun n ->
3968 let n = if n >= m then n+1 else n in
3973 method reset
anchor items =
3974 m_hadremovals
<- false;
3975 if m_orig_items
== empty || m_prev_items
!= items
3977 m_orig_items
<- items;
3978 if String.length m_narrow_pattern
= 0
3979 then m_items
<- items;
3981 m_prev_items
<- items;
3982 let rely = getanchory anchor in
3984 let rec loop n best bestd
=
3985 if n = Array.length m_items
3988 let (_, _, anchor) = m_items
.(n) in
3989 let orely = getanchory anchor in
3990 let d = abs
(orely - rely) in
3993 else loop (n+1) best bestd
3998 m_first
<- firstof m_first
active
4002 let enterselector usebookmarks
=
4003 let source = outlinesource usebookmarks
in
4007 then Array.of_list
state.bookmarks
4010 if Array.length
outlines = 0
4012 showtext ' ' errmsg
;
4015 state.text <- source#greetmsg
;
4016 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
4017 let anchor = getanchor () in
4018 source#reset
anchor outlines;
4019 state.uioh
<- coe (new outlinelistview ~
source);
4020 G.postRedisplay "enter selector";
4024 let enteroutlinemode =
4025 let f = enterselector false in
4026 fun ()-> f "Document has no outline";
4029 let enterbookmarkmode =
4030 let f = enterselector true in
4031 fun () -> f "Document has no bookmarks (yet)";
4034 let color_of_string s =
4035 Scanf.sscanf
s "%d/%d/%d" (fun r g b ->
4036 (float r /. 256.0, float g /. 256.0, float b /. 256.0)
4040 let color_to_string (r, g, b) =
4041 let r = truncate
(r *. 256.0)
4042 and g = truncate
(g *. 256.0)
4043 and b = truncate
(b *. 256.0) in
4044 Printf.sprintf
"%d/%d/%d" r g b
4047 let irect_of_string s =
4048 Scanf.sscanf
s "%d/%d/%d/%d" (fun x0 y0 x1 y1 -> (x0,y0,x1,y1))
4051 let irect_to_string (x0,y0,x1,y1) =
4052 Printf.sprintf
"%d/%d/%d/%d" x0 y0 x1 y1
4055 let makecheckers () =
4056 (* Based on lablGL-1.04/LablGlut/examples/lablGL/checker.ml which had
4058 converted by Issac Trotts. July 25, 2002 *)
4059 let image = GlPix.create `ubyte ~format
:`luminance ~width
:2 ~height
:2 in
4060 Raw.sets_string
(GlPix.to_raw
image) ~pos
:0 "\255\200\200\255";
4061 let id = GlTex.gen_texture
() in
4062 GlTex.bind_texture `texture_2d
id;
4063 GlPix.store
(`unpack_alignment
1);
4064 GlTex.image2d
image;
4065 List.iter
(GlTex.parameter ~target
:`texture_2d
)
4066 [ `mag_filter `nearest
; `min_filter `nearest
];
4070 let setcheckers enabled
=
4071 match state.texid
with
4073 if enabled
then state.texid
<- Some
(makecheckers ())
4078 GlTex.delete_texture texid
;
4079 state.texid
<- None
;
4083 let int_of_string_with_suffix s =
4084 let l = String.length
s in
4088 let suffix = Char.lowercase
s.[l-1] in
4090 | 'k'
-> String.sub
s 0 (l-1), 10
4091 | '
m'
-> String.sub
s 0 (l-1), 20
4092 | '
g'
-> String.sub
s 0 (l-1), 30
4096 let n = int_of_string
s1 in
4097 let m = n lsl shift
in
4099 then raise
(Failure
"value too large")
4103 let string_with_suffix_of_int n =
4108 if n land ((1 lsl 30) - 1) = 0
4111 if n land ((1 lsl 20) - 1) = 0
4114 if n land ((1 lsl 10) - 1) = 0
4121 let h = n mod 1000 in
4124 then string_of_int
h ^
s
4126 let s = Printf.sprintf
"_%03d%s" h s in
4133 let defghyllscroll = (40, 8, 32);;
4134 let ghyllscroll_of_string s =
4135 let (n, a, b) as nab
=
4138 else Scanf.sscanf
s "%u,%u,%u" (fun n a b -> n, a, b)
4140 if n <= a || n <= b || a >= b
4141 then failwith
"invalid ghyll N,A,B (N <= A, A < B, N <= B)";
4145 let ghyllscroll_to_string ((n, a, b) as nab
) =
4146 if nab
= defghyllscroll
4148 else Printf.sprintf
"%d,%d,%d" n a b;
4151 let describe_location () =
4152 let fn = page_of_y state.y in
4153 let ln = page_of_y (state.y + state.winh
- state.hscrollh - 1) in
4154 let maxy = state.maxy - (if conf.maxhfit
then state.winh
else 0) in
4158 else (100. *. (float state.y /. float maxy))
4162 Printf.sprintf
"page %d of %d [%.2f%%]"
4163 (fn+1) state.pagecount
percent
4166 "pages %d-%d of %d [%.2f%%]"
4167 (fn+1) (ln+1) state.pagecount
percent
4170 let setpresentationmode v
=
4171 let n = page_of_y state.y in
4172 state.anchor <- (n, 0.0, 1.0);
4173 conf.presentation
<- v
;
4174 if conf.presentation
4176 if not
conf.scrollbarinpm
4177 then state.scrollw
<- 0;
4179 else state.scrollw
<- conf.scrollbw
;
4180 if conf.fitmodel
= FitPage
4181 then reqlayout conf.angle
conf.fitmodel
;
4186 let btos b = if b then "\xe2\x88\x9a" else "" in
4187 let showextended = ref false in
4188 let leave mode
= function
4189 | Confirm
-> state.mode
<- mode
4190 | Cancel
-> state.mode
<- mode
in
4193 val mutable m_first_time
= true
4194 val mutable m_l
= []
4195 val mutable m_a
= [||]
4196 val mutable m_prev_uioh
= nouioh
4197 val mutable m_prev_mode
= View
4199 inherit lvsourcebase
4201 method reset prev_mode prev_uioh
=
4202 m_a
<- Array.of_list
(List.rev m_l
);
4204 m_prev_mode
<- prev_mode
;
4205 m_prev_uioh
<- prev_uioh
;
4209 if n >= Array.length m_a
4213 | _, _, _, Action
_ -> m_active
<- n
4217 m_first_time
<- false;
4220 method int name get
set =
4222 (name
, `
int get
, 1, Action
(
4225 try set (int_of_string
s)
4227 state.text <- Printf.sprintf
"bad integer `%s': %s"
4231 let te = name ^
": ", "", None
, intentry, ondone, true in
4232 state.mode
<- Textentry
(te, leave m_prev_mode
);
4236 method int_with_suffix name get
set =
4238 (name
, `intws get
, 1, Action
(
4241 try set (int_of_string_with_suffix s)
4243 state.text <- Printf.sprintf
"bad integer `%s': %s"
4248 name ^
": ", "", None
, intentry_with_suffix, ondone, true
4250 state.mode
<- Textentry
(te, leave m_prev_mode
);
4254 method bool ?
(offset
=1) ?
(btos=btos) name get
set =
4256 (name
, `
bool (btos, get
), offset
, Action
(
4263 method color name get
set =
4265 (name
, `color get
, 1, Action
(
4267 let invalid = (nan
, nan
, nan
) in
4270 try color_of_string s
4272 state.text <- Printf.sprintf
"bad color `%s': %s"
4279 let te = name ^
": ", "", None
, textentry, ondone, true in
4280 state.text <- color_to_string (get
());
4281 state.mode
<- Textentry
(te, leave m_prev_mode
);
4285 method string name get
set =
4287 (name
, `
string get
, 1, Action
(
4289 let ondone s = set s in
4290 let te = name ^
": ", "", None
, textentry, ondone, true in
4291 state.mode
<- Textentry
(te, leave m_prev_mode
);
4295 method colorspace name get
set =
4297 (name
, `
string get
, 1, Action
(
4300 let vals = [| "rgb"; "bgr"; "gray" |] in
4302 inherit lvsourcebase
4305 m_active
<- int_of_colorspace conf.colorspace
;
4308 method getitemcount
= Array.length
vals
4309 method getitem
n = (vals.(n), 0)
4310 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4311 ignore
(uioh
, first, pan
, qsearch);
4312 if not cancel
then set active;
4314 method hasaction
_ = true
4318 let modehash = findkeyhash conf "info" in
4319 coe (new listview ~
source ~trusted
:true ~
modehash)
4322 method fitmodel name get
set =
4324 (name
, `
string get
, 1, Action
(
4327 let vals = [| "fit width"; "proportional"; "fit page" |] in
4329 inherit lvsourcebase
4332 m_active
<- int_of_fitmodel conf.fitmodel
;
4335 method getitemcount
= Array.length
vals
4336 method getitem
n = (vals.(n), 0)
4337 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4338 ignore
(uioh
, first, pan
, qsearch);
4339 if not cancel
then set active;
4341 method hasaction
_ = true
4345 let modehash = findkeyhash conf "info" in
4346 coe (new listview ~
source ~trusted
:true ~
modehash)
4349 method caption
s offset
=
4350 m_l
<- (s, `
empty, offset
, Noaction
) :: m_l
4352 method caption2
s f offset
=
4353 m_l
<- (s, `
string f, offset
, Noaction
) :: m_l
4355 method getitemcount
= Array.length m_a
4358 let tostr = function
4359 | `
int f -> string_of_int
(f ())
4360 | `intws
f -> string_with_suffix_of_int (f ())
4362 | `color
f -> color_to_string (f ())
4363 | `
bool (btos, f) -> btos (f ())
4366 let name, t
, offset
, _ = m_a
.(n) in
4367 ((let s = tostr t
in
4368 if String.length
s > 0
4369 then Printf.sprintf
"%s\t%s" name s
4373 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4377 m_qsearch
<- qsearch;
4379 match m_a
.(active) with
4380 | _, _, _, Action
f -> f uioh
4392 method hasaction
n =
4394 | _, _, _, Action
_ -> true
4398 let rec fillsrc prevmode prevuioh
=
4399 let sep () = src#caption
"" 0 in
4400 let colorp name get
set =
4402 (fun () -> color_to_string (get
()))
4405 let c = color_of_string v in
4408 state.text <- Printf.sprintf
"bad color `%s': %s" v (exntos exn
)
4411 let oldmode = state.mode
in
4412 let birdseye = isbirdseye state.mode
in
4414 src#caption
(if birdseye then "Setup (Bird's eye)" else "Setup") 0;
4416 src#
bool "presentation mode"
4417 (fun () -> conf.presentation
)
4418 (fun v -> setpresentationmode v);
4420 src#
bool "ignore case in searches"
4421 (fun () -> conf.icase
)
4422 (fun v -> conf.icase
<- v);
4425 (fun () -> conf.preload)
4426 (fun v -> conf.preload <- v);
4428 src#
bool "highlight links"
4429 (fun () -> conf.hlinks
)
4430 (fun v -> conf.hlinks
<- v);
4432 src#
bool "under info"
4433 (fun () -> conf.underinfo
)
4434 (fun v -> conf.underinfo
<- v);
4436 src#
bool "persistent bookmarks"
4437 (fun () -> conf.savebmarks
)
4438 (fun v -> conf.savebmarks
<- v);
4440 src#fitmodel
"fit model"
4441 (fun () -> fitmodel_to_string conf.fitmodel
)
4442 (fun v -> reqlayout conf.angle
(fitmodel_of_int v));
4444 src#
bool "trim margins"
4445 (fun () -> conf.trimmargins
)
4446 (fun v -> settrim v conf.trimfuzz
; fillsrc prevmode prevuioh
);
4448 src#
bool "persistent location"
4449 (fun () -> conf.jumpback
)
4450 (fun v -> conf.jumpback
<- v);
4453 src#
int "inter-page space"
4454 (fun () -> conf.interpagespace
)
4456 conf.interpagespace
<- n;
4457 docolumns conf.columns
;
4459 match state.layout with
4464 state.maxy <- calcheight ();
4465 let y = getpagey pageno in
4470 (fun () -> conf.pagebias
)
4471 (fun v -> conf.pagebias
<- v);
4473 src#
int "scroll step"
4474 (fun () -> conf.scrollstep
)
4475 (fun n -> conf.scrollstep
<- n);
4477 src#
int "horizontal scroll step"
4478 (fun () -> conf.hscrollstep
)
4479 (fun v -> conf.hscrollstep
<- v);
4481 src#
int "auto scroll step"
4483 match state.autoscroll
with
4485 | _ -> conf.autoscrollstep
)
4487 if state.autoscroll
<> None
4488 then state.autoscroll
<- Some
n;
4489 conf.autoscrollstep
<- n);
4492 (fun () -> truncate
(conf.zoom *. 100.))
4493 (fun v -> setzoom ((float v) /. 100.));
4496 (fun () -> conf.angle
)
4497 (fun v -> reqlayout v conf.fitmodel
);
4499 src#
int "scroll bar width"
4500 (fun () -> state.scrollw
)
4504 reshape state.winw
state.winh
;
4507 src#
int "scroll handle height"
4508 (fun () -> conf.scrollh
)
4509 (fun v -> conf.scrollh
<- v;);
4511 src#
int "thumbnail width"
4512 (fun () -> conf.thumbw
)
4514 conf.thumbw
<- min
4096 v;
4517 leavebirdseye beye
false;
4522 let mode = state.mode in
4523 src#
string "columns"
4525 match conf.columns
with
4527 | Cmulti
(multi
, _) -> multicolumns_to_string multi
4528 | Csplit
(count
, _) -> "-" ^ string_of_int count
4531 let n, a, b = multicolumns_of_string v in
4532 setcolumns mode n a b);
4535 src#caption
"Presentation mode" 0;
4536 src#
bool "scrollbar visible"
4537 (fun () -> conf.scrollbarinpm
)
4539 if v != conf.scrollbarinpm
4541 conf.scrollbarinpm
<- v;
4542 if conf.presentation
4544 state.scrollw
<- if v then conf.scrollbw
else 0;
4545 reshape state.winw
state.winh
;
4551 src#caption
"Pixmap cache" 0;
4552 src#int_with_suffix
"size (advisory)"
4553 (fun () -> conf.memlimit
)
4554 (fun v -> conf.memlimit
<- v);
4557 (fun () -> Printf.sprintf
"%s bytes, %d tiles"
4558 (string_with_suffix_of_int state.memused
)
4559 (Hashtbl.length
state.tilemap
)) 1;
4562 src#caption
"Layout" 0;
4563 src#caption2
"Dimension"
4565 Printf.sprintf
"%dx%d (virtual %dx%d)"
4566 state.winw
state.winh
4571 src#caption2
"Position" (fun () ->
4572 Printf.sprintf
"%dx%d" state.x state.y
4575 src#caption2
"Position" (fun () -> describe_location ()) 1
4579 src#
bool ~offset
:0 ~
btos:(fun v -> if v then "(on)" else "(off)")
4580 "Save these parameters as global defaults at exit"
4581 (fun () -> conf.bedefault
)
4582 (fun v -> conf.bedefault
<- v)
4586 let btos b = if b then "\xc2\xab" else "\xc2\xbb" in
4587 src#
bool ~offset
:0 ~
btos "Extended parameters"
4588 (fun () -> !showextended)
4589 (fun v -> showextended := v; fillsrc prevmode prevuioh
);
4593 (fun () -> conf.checkers
)
4594 (fun v -> conf.checkers
<- v; setcheckers v);
4595 src#
bool "update cursor"
4596 (fun () -> conf.updatecurs
)
4597 (fun v -> conf.updatecurs
<- v);
4599 (fun () -> conf.verbose
)
4600 (fun v -> conf.verbose
<- v);
4601 src#
bool "invert colors"
4602 (fun () -> conf.invert
)
4603 (fun v -> conf.invert
<- v);
4605 (fun () -> conf.maxhfit
)
4606 (fun v -> conf.maxhfit
<- v);
4607 src#
bool "redirect stderr"
4608 (fun () -> conf.redirectstderr)
4609 (fun v -> conf.redirectstderr <- v; redirectstderr ());
4610 src#
string "uri launcher"
4611 (fun () -> conf.urilauncher
)
4612 (fun v -> conf.urilauncher
<- v);
4613 src#
string "path launcher"
4614 (fun () -> conf.pathlauncher
)
4615 (fun v -> conf.pathlauncher
<- v);
4616 src#
string "tile size"
4617 (fun () -> Printf.sprintf
"%dx%d" conf.tilew
conf.tileh
)
4620 let w, h = Scanf.sscanf
v "%dx%d" (fun w h -> w, h) in
4621 conf.tilew
<- max
64 w;
4622 conf.tileh
<- max
64 h;
4625 state.text <- Printf.sprintf
"bad tile size `%s': %s"
4628 src#
int "texture count"
4629 (fun () -> conf.texcount
)
4632 then conf.texcount
<- v
4633 else showtext '
!'
" Failed to set texture count please retry later"
4635 src#
int "slice height"
4636 (fun () -> conf.sliceheight
)
4638 conf.sliceheight
<- v;
4639 wcmd "sliceh %d" conf.sliceheight
;
4641 src#
int "anti-aliasing level"
4642 (fun () -> conf.aalevel
)
4644 conf.aalevel
<- bound v 0 8;
4645 state.anchor <- getanchor ();
4646 opendoc state.path
state.password
;
4648 src#
string "page scroll scaling factor"
4649 (fun () -> string_of_float
conf.pgscale)
4652 let s = float_of_string
v in
4655 state.text <- Printf.sprintf
4656 "bad page scroll scaling factor `%s': %s" v (exntos exn
)
4659 src#
int "ui font size"
4660 (fun () -> fstate.fontsize
)
4661 (fun v -> setfontsize (bound v 5 100));
4662 src#
int "hint font size"
4663 (fun () -> conf.hfsize
)
4664 (fun v -> conf.hfsize
<- bound v 5 100);
4665 colorp "background color"
4666 (fun () -> conf.bgcolor
)
4667 (fun v -> conf.bgcolor
<- v);
4668 src#
bool "crop hack"
4669 (fun () -> conf.crophack
)
4670 (fun v -> conf.crophack
<- v);
4671 src#
string "trim fuzz"
4672 (fun () -> irect_to_string conf.trimfuzz
)
4675 conf.trimfuzz
<- irect_of_string v;
4677 then settrim true conf.trimfuzz
;
4679 state.text <- Printf.sprintf
"bad irect `%s': %s" v (exntos exn
)
4681 src#
string "throttle"
4683 match conf.maxwait
with
4684 | None
-> "show place holder if page is not ready"
4687 then "wait for page to fully render"
4689 "wait " ^ string_of_float
time
4690 ^
" seconds before showing placeholder"
4694 let f = float_of_string
v in
4696 then conf.maxwait
<- None
4697 else conf.maxwait
<- Some
f
4699 state.text <- Printf.sprintf
"bad time `%s': %s" v (exntos exn
)
4701 src#
string "ghyll scroll"
4703 match conf.ghyllscroll
with
4705 | Some nab
-> ghyllscroll_to_string nab
4710 if String.length
v = 0
4712 else Some
(ghyllscroll_of_string v)
4714 conf.ghyllscroll
<- gs
4716 state.text <- Printf.sprintf
"bad ghyll `%s': %s" v (exntos exn
)
4718 src#
string "selection command"
4719 (fun () -> conf.selcmd
)
4720 (fun v -> conf.selcmd
<- v);
4721 src#
string "synctex command"
4722 (fun () -> conf.stcmd
)
4723 (fun v -> conf.stcmd
<- v);
4724 src#colorspace
"color space"
4725 (fun () -> colorspace_to_string conf.colorspace
)
4727 conf.colorspace
<- colorspace_of_int v;
4734 (fun () -> conf.usepbo
)
4735 (fun v -> conf.usepbo
<- v);
4736 src#
bool "mouse wheel scrolls pages"
4737 (fun () -> conf.wheelbypage
)
4738 (fun v -> conf.wheelbypage
<- v);
4742 src#caption
"Document" 0;
4743 List.iter
(fun (_, s) -> src#caption
s 1) state.docinfo
;
4744 src#caption2
"Pages"
4745 (fun () -> string_of_int
state.pagecount
) 1;
4746 src#caption2
"Dimensions"
4747 (fun () -> string_of_int
(List.length
state.pdims
)) 1;
4751 src#caption
"Trimmed margins" 0;
4752 src#caption2
"Dimensions"
4753 (fun () -> string_of_int
(List.length
state.pdims
)) 1;
4757 src#caption
"OpenGL" 0;
4758 src#caption
(Printf.sprintf
"Vendor\t%s" (GlMisc.get_string `vendor
)) 1;
4759 src#caption
(Printf.sprintf
"Renderer\t%s" (GlMisc.get_string `renderer
)) 1;
4762 src#caption
"Location" 0;
4763 if String.length
state.origin
> 0
4764 then src#caption
("Orign\t" ^ mbtoutf8
state.origin
) 1;
4765 src#caption
("Path\t" ^ mbtoutf8
state.path
) 1;
4767 src#reset prevmode prevuioh
;
4771 let prevmode = state.mode
4772 and prevuioh
= state.uioh in
4773 fillsrc prevmode prevuioh
;
4774 let source = (src :> lvsource
) in
4775 let modehash = findkeyhash conf "info" in
4776 state.uioh <- coe (object (self)
4777 inherit listview ~
source ~trusted
:true ~
modehash as super
4778 val mutable m_prevmemused
= 0
4779 method infochanged
= function
4781 if m_prevmemused
!= state.memused
4783 m_prevmemused
<- state.memused
;
4784 G.postRedisplay "memusedchanged";
4786 | Pdim
-> G.postRedisplay "pdimchanged"
4787 | Docinfo
-> fillsrc prevmode prevuioh
4789 method key key mask
=
4790 if not
(Wsi.withctrl mask
)
4793 | 0xff51 | 0xff96 -> coe (self#updownlevel ~
-1) (* (kp) left *)
4794 | 0xff53 | 0xff98 -> coe (self#updownlevel
1) (* (kp) right *)
4795 | _ -> super#
key key mask
4796 else super#
key key mask
4798 G.postRedisplay "info";
4804 inherit lvsourcebase
4805 method getitemcount
= Array.length
state.help
4807 let s, l, _ = state.help
.(n) in
4810 method exit ~
uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4814 m_qsearch
<- qsearch;
4815 match state.help
.(active) with
4816 | _, _, Action
f -> Some
(f uioh)
4826 method hasaction
n =
4827 match state.help
.(n) with
4828 | _, _, Action
_ -> true
4835 let modehash = findkeyhash conf "help" in
4836 state.uioh <- coe (new listview ~
source ~trusted
:true ~
modehash);
4837 G.postRedisplay "help";
4842 let re = Str.regexp
"[\r\n]" in
4844 inherit lvsourcebase
4845 val mutable m_items
= [||]
4847 method getitemcount
= 1 + Array.length m_items
4852 else m_items
.(n-1), 0
4854 method exit ~
uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4859 then Buffer.clear
state.errmsgs
;
4860 m_qsearch
<- qsearch;
4867 method hasaction
n =
4871 state.newerrmsgs
<- false;
4872 let l = Str.split
re (Buffer.contents
state.errmsgs
) in
4873 m_items
<- Array.of_list
l
4881 let source = (msgsource :> lvsource
) in
4882 let modehash = findkeyhash conf "listview" in
4883 state.uioh <- coe (object
4884 inherit listview ~
source ~trusted
:false ~
modehash as super
4887 then msgsource#reset
;
4890 G.postRedisplay "msgs";
4893 let quickbookmark ?title
() =
4894 match state.layout with
4900 let sec = Unix.gettimeofday
() in
4901 let tm = Unix.localtime
sec in
4902 Printf.sprintf
"Quick (page %d) (bookmarked at %d/%d/%d %d:%d)"
4906 (tm.Unix.tm_year
+ 1900)
4909 | Some
title -> title
4911 state.bookmarks
<- (title, 0, getanchor1 l) :: state.bookmarks
4914 let setautoscrollspeed step goingdown
=
4915 let incr = max
1 ((abs step
) / 2) in
4916 let incr = if goingdown
then incr else -incr in
4917 let astep = step
+ incr in
4918 state.autoscroll
<- Some
astep;
4921 let gotounder = function
4922 | Ulinkgoto
(pageno, top) ->
4926 gotopage1 pageno top;
4932 | Uremote
(filename
, pageno) ->
4934 if Sys.file_exists filename
4937 let dir = Filename.dirname
state.path in
4938 let path = Filename.concat
dir filename
in
4939 if Sys.file_exists
path
4943 if String.length
path > 0
4945 let anchor = getanchor () in
4946 let ranchor = state.path, state.password
, anchor, state.origin
in
4948 state.anchor <- (pageno, 0.0, 0.0);
4949 state.ranchors
<- ranchor :: state.ranchors
;
4952 else showtext '
!'
("Could not find " ^ filename
)
4954 | Uunexpected
_ | Ulaunch
_ | Unamed
_ | Utext
_ | Unone
-> ()
4958 match conf.columns
with
4960 | _ -> state.x != 0 || conf.zoom > 1.0
4963 let panbound x = bound x (-state.w) (state.winw
- state.scrollw
);;
4965 let existsinrow pageno (columns
, coverA
, coverB
) p =
4966 let last = ((pageno - coverA
) mod columns
) + columns
in
4967 let rec any = function
4970 if l.pageno = coverA
- 1 || l.pageno = state.pagecount
- coverB
4974 then (if l.pageno = last then false else any rest
)
4982 match state.layout with
4984 let pageno = page_of_y state.y in
4985 gotoghyll (getpagey (pageno+1))
4987 match conf.columns
with
4989 if conf.presentation
&& rest
== [] && l.pageh
> l.pagey + l.pagevh
4991 let y = clamp (pgscale state.winh
) in
4994 let pageno = min
(l.pageno+1) (state.pagecount
-1) in
4995 gotoghyll (getpagey pageno)
4996 | Cmulti
((c, _, _) as cl, _) ->
4997 if conf.presentation
4998 && (existsinrow l.pageno cl
4999 (fun l -> l.pageh
> l.pagey + l.pagevh))
5001 let y = clamp (pgscale state.winh
) in
5004 let pageno = min
(l.pageno+c) (state.pagecount
-1) in
5005 gotoghyll (getpagey pageno)
5007 if l.pageno < state.pagecount
- 1 || l.pagecol
< n - 1
5009 let pagey, pageh
= getpageyh l.pageno in
5010 let pagey = pagey + pageh
* l.pagecol
in
5011 let ips = if l.pagecol
= 0 then 0 else conf.interpagespace
in
5012 gotoghyll (pagey + pageh
+ ips)
5016 match state.layout with
5018 let pageno = page_of_y state.y in
5019 gotoghyll (getpagey (pageno-1))
5021 match conf.columns
with
5023 if conf.presentation
&& l.pagey != 0
5025 gotoghyll (clamp (pgscale ~
-(state.winh
)))
5027 let pageno = max
0 (l.pageno-1) in
5028 gotoghyll (getpagey pageno)
5029 | Cmulti
((c, _, coverB
) as cl, _) ->
5030 if conf.presentation
&&
5031 (existsinrow l.pageno cl (fun l -> l.pagey != 0))
5033 gotoghyll (clamp (pgscale ~
-(state.winh
)))
5036 if l.pageno = state.pagecount
- coverB
5040 let pageno = max
0 (l.pageno-decr) in
5041 gotoghyll (getpagey pageno)
5049 let pageno = max
0 (l.pageno-1) in
5050 let pagey, pageh
= getpageyh pageno in
5053 let pagey, pageh
= getpageyh l.pageno in
5054 pagey + pageh
* (l.pagecol
-1) - conf.interpagespace
5059 let viewkeyboard key mask
=
5061 let mode = state.mode in
5062 state.mode <- Textentry
(te, fun _ -> state.mode <- mode);
5065 G.postRedisplay "view:enttext"
5067 let ctrl = Wsi.withctrl mask
in
5069 if key >= 0xffb0 && key < 0xffb9 then key - 0xffb0 + 48 else key
5075 | 0xff63 -> (* insert *)
5076 if conf.angle
mod 360 = 0 && not
(isbirdseye state.mode)
5078 state.mode <- LinkNav
(Ltgendir
0);
5081 else showtext '
!'
"Keyboard link navigation does not work under rotation"
5083 | 0xff1b | 113 -> (* escape / q *)
5084 begin match state.mstate
with
5086 state.mstate
<- Mnone
;
5087 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5088 G.postRedisplay "kill zoom rect";
5090 begin match state.mode with
5093 G.postRedisplay "esc leave linknav"
5095 match state.ranchors
with
5097 | (path, password
, anchor, origin
) :: rest
->
5098 state.ranchors
<- rest
;
5099 state.anchor <- anchor;
5100 state.origin
<- origin
;
5101 opendoc path password
5105 | 0xff08 -> (* backspace *)
5106 gotoghyll (getnav ~
-1)
5114 G.postRedisplay "dehighlight";
5116 | 47 | 63 -> (* / ? *)
5117 let ondone isforw
s =
5118 cbput state.hists
.pat
s;
5119 state.searchpattern
<- s;
5122 let s = String.create
1 in
5123 s.[0] <- Char.chr
key;
5124 enttext (s, "", Some
(onhist state.hists
.pat
),
5125 textentry, ondone (key = 47), true)
5127 | 43 | 0xffab | 61 when ctrl -> (* ctrl-+ or ctrl-= *)
5128 let incr = if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01 in
5129 setzoom (conf.zoom +. incr)
5131 | 43 | 0xffab -> (* + *)
5134 try int_of_string
s with exc
->
5135 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
);
5141 state.text <- "page bias is now " ^ string_of_int
n;
5144 enttext ("page bias: ", "", None
, intentry, ondone, true)
5146 | 45 | 0xffad when ctrl -> (* ctrl-- *)
5147 let decr = if conf.zoom -. 0.1 < 0.1 then 0.01 else 0.1 in
5148 setzoom (max
0.01 (conf.zoom -. decr))
5150 | 45 | 0xffad -> (* - *)
5151 let ondone msg
= state.text <- msg
in
5153 "option [acfhilpstvxACFPRSZTIS]: ", "", None
,
5154 optentry state.mode, ondone, true
5157 | 48 when ctrl -> (* ctrl-0 *)
5162 if state.w <= state.winw
- state.scrollw
5170 | (49 | 50) when ctrl && conf.fitmodel
!= FitPage
-> (* ctrl-1/2 *)
5172 match conf.columns
with
5173 | Csingle
_ | Cmulti
_ -> 1
5174 | Csplit
(n, _) -> n
5176 let h = state.winh
-
5177 conf.interpagespace
lsl (if conf.presentation
then 1 else 0)
5179 let zoom = zoomforh
state.winw
h state.scrollw
cols in
5180 if zoom > 0.0 && (key = 50 || zoom < 1.0)
5183 | 51 when ctrl -> (* ctrl-3 *)
5185 match conf.fitmodel
with
5186 | FitWidth
-> FitProportional
5187 | FitProportional
-> FitPage
5188 | FitPage
-> FitWidth
5190 state.text <- "fit model: " ^
fitmodel_to_string fm;
5191 reqlayout conf.angle
fm
5193 | 0xffc6 -> (* f9 *)
5196 | 57 when ctrl -> (* ctrl-9 *)
5199 | (48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57)
5200 when not
ctrl -> (* 0..9 *)
5203 try int_of_string
s with exc
->
5204 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
);
5210 cbput state.hists
.pag
(string_of_int
n);
5211 gotopage1 (n + conf.pagebias
- 1) 0;
5214 let pageentry text key =
5215 match Char.unsafe_chr
key with
5216 | '
g'
-> TEdone
text
5217 | _ -> intentry text key
5219 let text = "x" in text.[0] <- Char.chr
key;
5220 enttext (":", text, Some
(onhist state.hists
.pag
), pageentry, ondone, true)
5223 state.scrollw
<- if state.scrollw
> 0 then 0 else conf.scrollbw
;
5224 reshape state.winw
state.winh
;
5227 conf.hlinks
<- not
conf.hlinks
;
5228 state.text <- "highlightlinks " ^
if conf.hlinks
then "on" else "off";
5229 G.postRedisplay "toggle highlightlinks";
5232 state.glinks
<- true;
5233 let mode = state.mode in
5234 state.mode <- Textentry
(
5235 (":", "", None
, linknentry, linkndone gotounder, false),
5237 state.glinks
<- false;
5241 G.postRedisplay "view:linkent(F)"
5244 state.glinks
<- true;
5245 let mode = state.mode in
5246 state.mode <- Textentry
(
5248 ":", "", None
, linknentry, linkndone (fun under ->
5249 selstring (undertext under);
5253 state.glinks
<- false;
5257 G.postRedisplay "view:linkent"
5260 begin match state.autoscroll
with
5262 conf.autoscrollstep
<- step
;
5263 state.autoscroll
<- None
5265 if conf.autoscrollstep
= 0
5266 then state.autoscroll
<- Some
1
5267 else state.autoscroll
<- Some
conf.autoscrollstep
5270 | 112 when ctrl -> (* ctrl-p *)
5274 setpresentationmode (not
conf.presentation
);
5275 showtext ' '
("presentation mode " ^
5276 if conf.presentation
then "on" else "off");
5279 if List.mem
Wsi.Fullscreen
state.winstate
5280 then Wsi.reshape conf.cwinw
conf.cwinh
5281 else Wsi.fullscreen
()
5283 | 112 | 78 -> (* p|N *)
5284 search state.searchpattern
false
5286 | 110 | 0xffc0 -> (* n|F3 *)
5287 search state.searchpattern
true
5290 begin match state.layout with
5293 gotoghyll (getpagey l.pageno)
5299 | 0xff9f | 0xffff -> (* delete *)
5303 showtext ' '
(describe_location ());
5306 begin match state.layout with
5309 Wsi.reshape (l.pagew
+ state.scrollw
) l.pageh
;
5314 enterbookmarkmode ()
5316 | 104 | 0xffbe -> (* h|F1 *)
5322 | 101 when Buffer.length
state.errmsgs
> 0 -> (* e *)
5327 match state.layout with
5329 if String.length
s > 0
5331 state.bookmarks
<- (s, 0, getanchor1 l) :: state.bookmarks
5334 enttext ("bookmark: ", "", None
, textentry, ondone, true)
5338 showtext ' '
"Quick bookmark added";
5341 begin match state.layout with
5343 let rect = getpdimrect
l.pagedimno
in
5347 (truncate
(1.8 *. (rect.(1) -. rect.(0))),
5348 truncate
(1.2 *. (rect.(3) -. rect.(0))))
5350 (truncate
(rect.(1) -. rect.(0)),
5351 truncate
(rect.(3) -. rect.(0)))
5353 let w = truncate
((float w)*.conf.zoom)
5354 and h = truncate
((float h)*.conf.zoom) in
5357 state.anchor <- getanchor ();
5358 Wsi.reshape (w + state.scrollw
) (h + conf.interpagespace
)
5360 G.postRedisplay "z";
5365 | 60 | 62 -> (* < > *)
5366 reqlayout (conf.angle
+ (if key = 62 then 30 else -30)) conf.fitmodel
5368 | 91 | 93 -> (* [ ] *)
5370 bound (conf.colorscale
+. (if key = 93 then 0.1 else -0.1)) 0.0 1.0
5372 G.postRedisplay "brightness";
5374 | 99 when state.mode = View
-> (* [alt]-c *)
5379 let m = (state.winw
- state.w - state.scrollw
) / 2 in
5381 gotoy_and_clear_text state.y
5385 match state.prevcolumns
with
5386 | None
-> (1, 0, 0), 1.0
5387 | Some
(columns
, z
) ->
5390 | Csplit
(c, _) -> -c, 0, 0
5391 | Cmulti
((c, a, b), _) -> c, a, b
5392 | Csingle
_ -> 1, 0, 0
5396 setcolumns View
c a b;
5399 | 0xff54 | 0xff52 when ctrl && Wsi.withshift mask
->
5400 setzoom state.prevzoom
5402 | 107 | 0xff52 | 0xff97 -> (* k (kp) up *)
5403 begin match state.autoscroll
with
5405 begin match state.mode with
5406 | Birdseye beye
-> upbirdseye 1 beye
5409 then gotoy_and_clear_text (clamp ~
-(state.winh
/2))
5411 if not
(Wsi.withshift mask
) && conf.presentation
5413 else gotoy_and_clear_text (clamp (-conf.scrollstep
))
5417 setautoscrollspeed n false
5420 | 106 | 0xff54 | 0xff99 -> (* j (kp) down *)
5421 begin match state.autoscroll
with
5423 begin match state.mode with
5424 | Birdseye beye
-> downbirdseye 1 beye
5427 then gotoy_and_clear_text (clamp (state.winh
/2))
5429 if not
(Wsi.withshift mask
) && conf.presentation
5431 else gotoy_and_clear_text (clamp conf.scrollstep
)
5435 setautoscrollspeed n true
5438 | 0xff51 | 0xff53 | 0xff96 | 0xff98
5439 when not
(Wsi.withalt mask
) -> (* (kp) left / right *)
5445 else conf.hscrollstep
5447 let dx = if key = 0xff51 or key = 0xff96 then dx else -dx in
5448 state.x <- panbound (state.x + dx);
5449 gotoy_and_clear_text state.y
5452 G.postRedisplay "left/right"
5455 | 0xff55 | 0xff9a -> (* (kp) prior *)
5459 match state.layout with
5461 | l :: _ -> state.y - l.pagey
5463 clamp (pgscale (-state.winh
))
5467 | 0xff56 | 0xff9b -> (* (kp) next *)
5471 match List.rev
state.layout with
5473 | l :: _ -> getpagey l.pageno
5475 clamp (pgscale state.winh
)
5479 | 103 | 0xff50 | 0xff95 -> (* g (kp) home *)
5481 | 71 | 0xff57 | 0xff9c -> (* G (kp) end *)
5482 gotoghyll (clamp state.maxy)
5485 when Wsi.withalt mask
-> (* alt-(kp) right *)
5486 gotoghyll (getnav 1)
5488 when Wsi.withalt mask
-> (* alt-(kp) left *)
5489 gotoghyll (getnav ~
-1)
5494 | 118 when conf.debug
-> (* v *)
5497 match getopaque l.pageno with
5500 let x0, y0, x1, y1 = pagebbox opaque
in
5501 let a,b = float x0, float y0 in
5502 let c,d = float x1, float y0 in
5503 let e,f = float x1, float y1 in
5504 let h,j
= float x0, float y1 in
5505 let rect = (a,b,c,d,e,f,h,j
) in
5507 state.rects
<- (l.pageno, l.pageno mod 3, rect) :: state.rects
;
5509 G.postRedisplay "v";
5512 vlog "huh? %s" (Wsi.keyname
key)
5515 let linknavkeyboard key mask
linknav =
5516 let getpage pageno =
5517 let rec loop = function
5519 | l :: _ when l.pageno = pageno -> Some
l
5520 | _ :: rest
-> loop rest
5521 in loop state.layout
5523 let doexact (pageno, n) =
5524 match getopaque pageno, getpage pageno with
5525 | Some opaque
, Some
l ->
5526 if key = 0xff0d || key = 0xff8d (* (kp)enter *)
5528 let under = getlink opaque
n in
5529 G.postRedisplay "link gotounder";
5535 | 0xff50 -> (* home *)
5536 Some
(findlink opaque LDfirst
), -1
5538 | 0xff57 -> (* end *)
5539 Some
(findlink opaque LDlast
), 1
5541 | 0xff51 -> (* left *)
5542 Some
(findlink opaque
(LDleft
n)), -1
5544 | 0xff53 -> (* right *)
5545 Some
(findlink opaque
(LDright
n)), 1
5547 | 0xff52 -> (* up *)
5548 Some
(findlink opaque
(LDup
n)), -1
5550 | 0xff54 -> (* down *)
5551 Some
(findlink opaque
(LDdown
n)), 1
5556 begin match findpwl
l.pageno dir with
5560 state.mode <- LinkNav
(Ltgendir
dir);
5561 let y, h = getpageyh pageno in
5564 then y + h - state.winh
5569 begin match getopaque pageno, getpage pageno with
5570 | Some opaque
, Some
_ ->
5572 let ld = if dir > 0 then LDfirst
else LDlast
in
5575 begin match link with
5577 showlinktype (getlink opaque
m);
5578 state.mode <- LinkNav
(Ltexact
(pageno, m));
5579 G.postRedisplay "linknav jpage";
5586 begin match opt with
5587 | Some Lnotfound
-> pwl l dir;
5588 | Some
(Lfound
m) ->
5592 let _, y0, _, y1 = getlinkrect opaque
m in
5594 then gotopage1 l.pageno y0
5596 let d = fstate.fontsize
+ 1 in
5597 if y1 - l.pagey > l.pagevh - d
5598 then gotopage1 l.pageno (y1 - state.winh
- state.hscrollh + d)
5599 else G.postRedisplay "linknav";
5601 showlinktype (getlink opaque
m);
5602 state.mode <- LinkNav
(Ltexact
(l.pageno, m));
5605 | None
-> viewkeyboard key mask
5607 | _ -> viewkeyboard key mask
5612 G.postRedisplay "leave linknav"
5616 | Ltgendir
_ -> viewkeyboard key mask
5617 | Ltexact exact
-> doexact exact
5620 let keyboard key mask
=
5621 if (key = 103 && Wsi.withctrl mask
) && not
(istextentry state.mode)
5622 then wcmd "interrupt"
5623 else state.uioh <- state.uioh#
key key mask
5626 let birdseyekeyboard key mask
5627 ((oconf
, leftx
, pageno, hooverpageno
, anchor) as beye
) =
5629 match conf.columns
with
5631 | Cmulti
((c, _, _), _) -> c
5632 | Csplit
_ -> failwith
"bird's eye split mode"
5634 let pgh layout = List.fold_left
(fun m l -> max
l.pageh
m) state.winh
layout in
5636 | 108 when Wsi.withctrl mask
-> (* ctrl-l *)
5637 let y, h = getpageyh pageno in
5638 let top = (state.winh
- h) / 2 in
5639 gotoy (max
0 (y - top))
5640 | 0xff0d (* enter *)
5641 | 0xff8d -> leavebirdseye beye
false (* kp enter *)
5642 | 0xff1b -> leavebirdseye beye
true (* escape *)
5643 | 0xff52 -> upbirdseye incr beye
(* up *)
5644 | 0xff54 -> downbirdseye incr beye
(* down *)
5645 | 0xff51 -> upbirdseye 1 beye
(* left *)
5646 | 0xff53 -> downbirdseye 1 beye
(* right *)
5648 | 0xff55 -> (* prior *)
5649 begin match state.layout with
5653 state.mode <- Birdseye
(
5654 oconf
, leftx
, l.pageno, hooverpageno
, anchor
5656 gotopage1 l.pageno 0;
5659 let layout = layout (state.y-state.winh
) (pgh state.layout) in
5661 | [] -> gotoy (clamp (-state.winh
))
5663 state.mode <- Birdseye
(
5664 oconf
, leftx
, l.pageno, hooverpageno
, anchor
5666 gotopage1 l.pageno 0
5669 | [] -> gotoy (clamp (-state.winh
))
5672 | 0xff56 -> (* next *)
5673 begin match List.rev
state.layout with
5675 let layout = layout (state.y + (pgh state.layout)) state.winh
in
5676 begin match layout with
5678 let incr = l.pageh
- l.pagevh in
5683 oconf
, leftx
, state.pagecount
- 1, hooverpageno
, anchor
5685 G.postRedisplay "birdseye pagedown";
5687 else gotoy (clamp (incr + conf.interpagespace
*2));
5691 Birdseye
(oconf
, leftx
, l.pageno, hooverpageno
, anchor);
5692 gotopage1 l.pageno 0;
5695 | [] -> gotoy (clamp state.winh
)
5698 | 0xff50 -> (* home *)
5699 state.mode <- Birdseye
(oconf
, leftx
, 0, hooverpageno
, anchor);
5702 | 0xff57 -> (* end *)
5703 let pageno = state.pagecount
- 1 in
5704 state.mode <- Birdseye
(oconf
, leftx
, pageno, hooverpageno
, anchor);
5705 if not
(pagevisible state.layout pageno)
5708 match List.rev
state.pdims
with
5710 | (_, _, h, _) :: _ -> h
5712 gotoy (max
0 (getpagey pageno - (state.winh
- h - conf.interpagespace
)))
5713 else G.postRedisplay "birdseye end";
5714 | _ -> viewkeyboard key mask
5719 match state.mode with
5720 | Textentry
_ -> scalecolor 0.4
5722 | View
-> scalecolor 1.0
5723 | Birdseye
(_, _, pageno, hooverpageno
, _) ->
5724 if l.pageno = hooverpageno
5727 if l.pageno = pageno
5735 let postdrawpage l linkindexbase
=
5736 match getopaque l.pageno with
5738 if tileready l l.pagex
l.pagey
5740 let x = l.pagedispx - l.pagex
5741 and y = l.pagedispy - l.pagey in
5743 match conf.columns
with
5744 | Csingle
_ | Cmulti
_ ->
5745 (if conf.hlinks
then 1 else 0)
5747 && not
(isbirdseye state.mode) then 2 else 0)
5751 match state.mode with
5752 | Textentry
((_, s, _, _, _, _), _) when state.glinks
-> s
5755 postprocess opaque
hlmask x y (linkindexbase
, s, conf.hfsize
);
5760 let scrollindicator () =
5761 let sbw, ph
, sh = state.uioh#
scrollph in
5762 let sbh, pw, sw = state.uioh#scrollpw
in
5764 GlDraw.color (0.64, 0.64, 0.64);
5766 (float (state.winw
- sbw), 0.)
5767 (float state.winw
, float state.winh
)
5770 (0., float (state.winh
- sbh))
5771 (float (state.winw
- state.scrollw
- 1), float state.winh
)
5773 GlDraw.color (0.0, 0.0, 0.0);
5776 (float (state.winw
- sbw), ph
)
5777 (float state.winw
, ph
+. sh)
5780 (pw, float (state.winh
- sbh))
5781 (pw +. sw, float state.winh
)
5786 match state.mstate
with
5787 | Mnone
| Mscrolly
| Mscrollx
| Mpan
_ | Mzoom
_ | Mzoomrect
_ ->
5790 | Msel
((x0, y0), (x1, y1)) ->
5791 let rec loop = function
5793 if ((y0 >= l.pagedispy && y0 <= (l.pagedispy + l.pagevh))
5794 || ((y1 >= l.pagedispy && y1 <= (l.pagedispy + l.pagevh))))
5795 && ((x0 >= l.pagedispx && x0 <= (l.pagedispx + l.pagevw))
5796 || ((x1 >= l.pagedispx && x1 <= (l.pagedispx + l.pagevw))))
5798 match getopaque l.pageno with
5800 let x0, y0 = pagetranslatepoint l x0 y0 in
5801 let x1, y1 = pagetranslatepoint l x1 y1 in
5802 seltext opaque
(x0, y0, x1, y1);
5810 let showrects rects
=
5812 GlDraw.color (0.0, 0.0, 1.0) ~
alpha:0.5;
5813 GlDraw.polygon_mode `both `fill
;
5814 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
5816 (fun (pageno, c, (x0, y0, x1, y1, x2
, y2
, x3
, y3
)) ->
5818 if l.pageno = pageno
5820 let dx = float (l.pagedispx - l.pagex
) in
5821 let dy = float (l.pagedispy - l.pagey) in
5822 GlDraw.color (0.0, 0.0, 1.0 /. float c) ~
alpha:0.5;
5823 GlDraw.begins `quads
;
5825 GlDraw.vertex2
(x0+.dx, y0+.dy);
5826 GlDraw.vertex2
(x1+.dx, y1+.dy);
5827 GlDraw.vertex2
(x2
+.dx, y2
+.dy);
5828 GlDraw.vertex2
(x3
+.dx, y3
+.dy);
5839 GlClear.color (scalecolor2 conf.bgcolor
);
5840 GlClear.clear
[`
color];
5841 List.iter
drawpage state.layout;
5843 match state.mode with
5844 | LinkNav
(Ltexact
(pageno, linkno
)) ->
5845 begin match getopaque pageno with
5847 let x0, y0, x1, y1 = getlinkrect opaque linkno
in
5854 | None
-> state.rects
5859 let rec postloop linkindexbase
= function
5861 let linkindexbase = linkindexbase + postdrawpage l linkindexbase in
5862 postloop linkindexbase rest
5866 postloop 0 state.layout;
5868 begin match state.mstate
with
5869 | Mzoomrect
((x0, y0), (x1, y1)) ->
5871 GlDraw.color (0.3, 0.3, 0.3) ~
alpha:0.5;
5872 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
5873 GlDraw.rect (float x0, float y0)
5874 (float x1, float y1);
5883 let zoomrect x y x1 y1 =
5886 and y0 = min
y y1 in
5887 gotoy (state.y + y0);
5888 state.anchor <- getanchor ();
5889 let zoom = (float state.w) /. float (x1 - x0) in
5891 match conf.fitmodel
, conf.columns
with
5892 | FitPage
, Csplit
_ ->
5893 onppundermouse (fun _ l _ _ -> Some
l.pagedispx) x0 y0 x0
5896 if state.w < state.winw
- state.scrollw
5897 then (state.winw
- state.scrollw
- state.w) / 2
5900 state.x <- (state.x + margin) - x0;
5902 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5903 state.mstate
<- Mnone
;
5907 let winw = state.winw - state.scrollw
- 1 in
5908 let s = float x /. float winw in
5909 let destx = truncate
(float (state.w + winw) *. s) in
5910 state.x <- winw - destx;
5911 gotoy_and_clear_text state.y;
5912 state.mstate
<- Mscrollx
;
5916 let s = float y /. float state.winh
in
5917 let desty = truncate
(float (state.maxy - state.winh
) *. s) in
5918 gotoy_and_clear_text desty;
5919 state.mstate
<- Mscrolly
;
5922 let viewmouse button down
x y mask
=
5924 | n when (n == 4 || n == 5) && not down
->
5925 if Wsi.withctrl mask
5927 match state.mstate
with
5928 | Mzoom
(oldn
, i
) ->
5936 if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01
5938 if conf.zoom -. 0.1 < 0.1 then -0.01 else -0.1
5940 let zoom = conf.zoom -. incr in
5942 state.mstate
<- Mzoom
(n, 0);
5944 state.mstate
<- Mzoom
(n, i
+1);
5946 else state.mstate
<- Mzoom
(n, 0)
5948 | _ -> state.mstate
<- Mzoom
(n, 0)
5951 match state.autoscroll
with
5952 | Some step
-> setautoscrollspeed step
(n=4)
5954 if conf.wheelbypage
|| conf.presentation
5963 then -conf.scrollstep
5964 else conf.scrollstep
5966 let incr = incr * 2 in
5967 let y = clamp incr in
5968 gotoy_and_clear_text y
5971 | n when (n = 6 || n = 7) && not down
&& canpan () ->
5973 panbound (state.x + (if n = 7 then -2 else 2) * conf.hscrollstep
);
5974 gotoy_and_clear_text state.y
5976 | 1 when Wsi.withshift mask
->
5977 state.mstate
<- Mnone
;
5980 match unproject x y with
5981 | Some
(pageno, ux
, uy
) ->
5982 let cmd = Printf.sprintf
5984 conf.stcmd
state.path pageno ux uy
5990 | 1 when Wsi.withctrl mask
->
5993 Wsi.setcursor
Wsi.CURSOR_CROSSHAIR
;
5994 state.mstate
<- Mpan
(x, y)
5997 state.mstate
<- Mnone
6002 Wsi.setcursor
Wsi.CURSOR_CYCLE
;
6004 state.mstate
<- Mzoomrect
(p, p)
6007 match state.mstate
with
6008 | Mzoomrect
((x0, y0), _) ->
6009 if abs
(x-x0) > 10 && abs
(y - y0) > 10
6010 then zoomrect x0 y0 x y
6012 state.mstate
<- Mnone
;
6013 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
6014 G.postRedisplay "kill accidental zoom rect";
6017 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
6018 state.mstate
<- Mnone
6021 | 1 when x > state.winw - state.scrollw
->
6024 let _, position, sh = state.uioh#
scrollph in
6025 if y > truncate
position && y < truncate
(position +. sh)
6026 then state.mstate
<- Mscrolly
6029 state.mstate
<- Mnone
6031 | 1 when y > state.winh
- state.hscrollh ->
6034 let _, position, sw = state.uioh#scrollpw
in
6035 if x > truncate
position && x < truncate
(position +. sw)
6036 then state.mstate
<- Mscrollx
6039 state.mstate
<- Mnone
6042 let dest = if down
then getunder x y else Unone
in
6043 begin match dest with
6047 | Uunexpected
_ | Ulaunch
_ | Unamed
_ ->
6050 | Unone
when down
->
6051 Wsi.setcursor
Wsi.CURSOR_CROSSHAIR
;
6052 state.mstate
<- Mpan
(x, y);
6054 | Unone
| Utext
_ ->
6057 if conf.angle
mod 360 = 0
6059 state.mstate
<- Msel
((x, y), (x, y));
6060 G.postRedisplay "mouse select";
6064 match state.mstate
with
6067 | Mzoom
_ | Mscrollx
| Mscrolly
->
6068 state.mstate
<- Mnone
6070 | Mzoomrect
((x0, y0), _) ->
6074 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
6075 state.mstate
<- Mnone
6077 | Msel
((x0, y0), (x1, y1)) ->
6078 let rec loop = function
6082 let a0 = l.pagedispy in
6083 let a1 = a0 + l.pagevh in
6084 let b0 = l.pagedispx in
6085 let b1 = b0 + l.pagevw in
6086 ((y0 >= a0 && y0 <= a1) || (y1 >= a0 && y1 <= a1))
6087 && ((x0 >= b0 && x0 <= b1) || (x1 >= b0 && x1 <= b1))
6091 match getopaque l.pageno with
6094 match Ne.pipe () with
6098 "can not create sel pipe: %s"
6101 let doclose what fd
=
6102 Ne.clo fd
(fun msg
->
6103 dolog
"%s close failed: %s" what msg
)
6106 popen conf.selcmd
[r, 0; w, -1];
6109 G.postRedisplay "copysel";
6111 dolog
"can not execute %S: %s"
6112 conf.selcmd
(exntos exn
);
6120 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
6121 state.mstate
<- Mnone
;
6128 let birdseyemouse button down
x y mask
6129 (conf, leftx
, _, hooverpageno
, anchor) =
6132 let rec loop = function
6135 if y > l.pagedispy && y < l.pagedispy + l.pagevh
6136 && x > l.pagedispx && x < l.pagedispx + l.pagevw
6138 leavebirdseye (conf, leftx
, l.pageno, hooverpageno
, anchor) false;
6144 | _ -> viewmouse button down
x y mask
6147 let mouse button down
x y mask
=
6148 state.uioh <- state.uioh#button button down
x y mask
;
6152 state.uioh <- state.uioh#
motion x y
6156 state.uioh <- state.uioh#
pmotion x y;
6162 method key key mask
=
6163 begin match state.mode with
6164 | Textentry
textentry -> textentrykeyboard key mask
textentry
6165 | Birdseye
birdseye -> birdseyekeyboard key mask
birdseye
6166 | View
-> viewkeyboard key mask
6167 | LinkNav
linknav -> linknavkeyboard key mask
linknav
6171 method button button bstate
x y mask
=
6172 begin match state.mode with
6174 | View
-> viewmouse button bstate
x y mask
6175 | Birdseye beye
-> birdseyemouse button bstate
x y mask beye
6181 begin match state.mode with
6183 | View
| Birdseye
_ | LinkNav
_ ->
6184 match state.mstate
with
6185 | Mzoom
_ | Mnone
-> ()
6190 state.mstate
<- Mpan
(x, y);
6192 then state.x <- panbound (state.x + dx);
6194 gotoy_and_clear_text y
6197 state.mstate
<- Msel
(a, (x, y));
6198 G.postRedisplay "motion select";
6201 let y = min
state.winh
(max
0 y) in
6205 let x = min
state.winw (max
0 x) in
6208 | Mzoomrect
(p0
, _) ->
6209 state.mstate
<- Mzoomrect
(p0
, (x, y));
6210 G.postRedisplay "motion zoomrect";
6214 method pmotion x y =
6215 begin match state.mode with
6216 | Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor) ->
6217 let rec loop = function
6219 if hooverpageno
!= -1
6221 state.mode <- Birdseye
(conf, leftx
, pageno, -1, anchor);
6222 G.postRedisplay "pmotion birdseye no hoover";
6225 if y > l.pagedispy && y < l.pagedispy + l.pagevh
6226 && x > l.pagedispx && x < l.pagedispx + l.pagevw
6228 state.mode <- Birdseye
(conf, leftx
, pageno, l.pageno, anchor);
6229 G.postRedisplay "pmotion birdseye hoover";
6239 match state.mstate
with
6240 | Mnone
-> updateunder x y
6241 | Mpan
_ | Msel
_ | Mzoom
_ | Mscrolly
| Mscrollx
| Mzoomrect
_ ->
6246 method infochanged
_ = ()
6249 let maxy = state.maxy - (if conf.maxhfit
then state.winh
else 0) in
6252 then 0.0, float state.winh
6253 else scrollph state.y maxy
6258 let winw = state.winw - state.scrollw
in
6259 let fwinw = float winw in
6261 let sw = fwinw /. float state.w in
6262 let sw = fwinw *. sw in
6263 max
sw (float conf.scrollh
)
6266 let maxx = state.w + winw in
6267 let x = winw - state.x in
6268 let percent = float x /. float maxx in
6269 (fwinw -. sw) *. percent
6271 state.hscrollh, position, sw
6275 match state.mode with
6276 | LinkNav
_ -> "links"
6277 | Textentry
_ -> "textentry"
6278 | Birdseye
_ -> "birdseye"
6281 findkeyhash conf modename
6283 method eformsgs
= true
6290 let fontpath = ref "";;
6293 Map.Make
(struct type t
= (int * int) let compare = compare end);;
6296 let l = String.length
s in
6297 let b = Buffer.create
l in
6303 try Sys.getenv
"HOME"
6306 ("Can not determine home directory location: " ^ exntos exn
);
6310 let modifier_of_string = function
6311 | "alt" -> Wsi.altmask
6312 | "shift" -> Wsi.shiftmask
6313 | "ctrl" | "control" -> Wsi.ctrlmask
6314 | "meta" -> Wsi.metamask
6319 let r = Str.regexp
"-" in
6321 let elems = Str.full_split
r s in
6324 let m1 = modifier_of_string s in
6326 then (Wsi.namekey
s, m)
6329 | Str.Delim
s when n land 1 = 0 -> g s
6331 | Str.Delim
_ -> (k
, m)
6333 let rec loop n k
m = function
6336 let k, m = f n k m x in
6342 let keys_of_string =
6343 let r = Str.regexp
"[ \t]" in
6345 let elems = Str.split
r s in
6346 List.map
key_of_string elems
6349 let copykeyhashes c =
6350 List.map
(fun (k, v) -> k, Hashtbl.copy
v) c.keyhashes
;
6353 let config_of c attrs
=
6357 | "scroll-bar-width" -> { c with scrollbw
= max
0 (int_of_string
v) }
6358 | "scroll-handle-height" -> { c with scrollh
= max
0 (int_of_string
v) }
6359 | "case-insensitive-search" -> { c with icase
= bool_of_string
v }
6360 | "preload" -> { c with preload = bool_of_string
v }
6361 | "page-bias" -> { c with pagebias
= int_of_string
v }
6362 | "scroll-step" -> { c with scrollstep
= max
1 (int_of_string
v) }
6363 | "horizontal-scroll-step" ->
6364 { c with hscrollstep
= max
(int_of_string
v) 1 }
6365 | "auto-scroll-step" ->
6366 { c with autoscrollstep
= max
0 (int_of_string
v) }
6367 | "max-height-fit" -> { c with maxhfit
= bool_of_string
v }
6368 | "crop-hack" -> { c with crophack
= bool_of_string
v }
6371 match String.lowercase
v with
6372 | "true" -> Some infinity
6374 | f -> Some
(float_of_string
f)
6376 { c with maxwait
= mw}
6377 | "highlight-links" -> { c with hlinks
= bool_of_string
v }
6378 | "under-cursor-info" -> { c with underinfo
= bool_of_string
v }
6379 | "vertical-margin" ->
6380 { c with interpagespace
= max
0 (int_of_string
v) }
6382 let zoom = float_of_string
v /. 100. in
6383 let zoom = max
zoom 0.0 in
6384 { c with zoom = zoom }
6385 | "presentation" -> { c with presentation
= bool_of_string
v }
6386 | "rotation-angle" -> { c with angle
= int_of_string
v }
6387 | "width" -> { c with cwinw
= max
20 (int_of_string
v) }
6388 | "height" -> { c with cwinh
= max
20 (int_of_string
v) }
6389 | "persistent-bookmarks" -> { c with savebmarks
= bool_of_string
v }
6390 | "proportional-display" ->
6393 then FitProportional
6396 { c with fitmodel
= fm }
6397 | "fit-model" -> { c with fitmodel
= fitmodel_of_string v }
6398 | "pixmap-cache-size" ->
6399 { c with memlimit
= max
2 (int_of_string_with_suffix v) }
6400 | "tex-count" -> { c with texcount
= max
1 (int_of_string
v) }
6401 | "slice-height" -> { c with sliceheight
= max
2 (int_of_string
v) }
6402 | "thumbnail-width" -> { c with thumbw
= max
2 (int_of_string
v) }
6403 | "persistent-location" -> { c with jumpback
= bool_of_string
v }
6404 | "background-color" -> { c with bgcolor
= color_of_string v }
6405 | "scrollbar-in-presentation" ->
6406 { c with scrollbarinpm
= bool_of_string
v }
6407 | "tile-width" -> { c with tilew
= max
2 (int_of_string
v) }
6408 | "tile-height" -> { c with tileh
= max
2 (int_of_string
v) }
6409 | "mupdf-store-size" ->
6410 { c with mustoresize
= max
1024 (int_of_string_with_suffix v) }
6411 | "checkers" -> { c with checkers
= bool_of_string
v }
6412 | "aalevel" -> { c with aalevel
= max
0 (int_of_string
v) }
6413 | "trim-margins" -> { c with trimmargins
= bool_of_string
v }
6414 | "trim-fuzz" -> { c with trimfuzz
= irect_of_string v }
6415 | "uri-launcher" -> { c with urilauncher
= unent v }
6416 | "path-launcher" -> { c with pathlauncher
= unent v }
6417 | "color-space" -> { c with colorspace
= colorspace_of_string v }
6418 | "invert-colors" -> { c with invert
= bool_of_string
v }
6419 | "brightness" -> { c with colorscale
= float_of_string
v }
6420 | "redirectstderr" -> { c with redirectstderr = bool_of_string
v }
6422 { c with ghyllscroll
= Some
(ghyllscroll_of_string v) }
6424 let (n, _, _) as nab
= multicolumns_of_string v in
6426 then { c with columns
= Csplit
(-n, [||]) }
6427 else { c with columns
= Cmulti
(nab
, [||]) }
6428 | "birds-eye-columns" ->
6429 { c with beyecolumns
= Some
(max
(int_of_string
v) 2) }
6430 | "selection-command" -> { c with selcmd
= unent v }
6431 | "synctex-command" -> { c with stcmd
= unent v }
6432 | "update-cursor" -> { c with updatecurs
= bool_of_string
v }
6433 | "hint-font-size" -> { c with hfsize
= bound (int_of_string
v) 5 100 }
6434 | "page-scroll-scale" -> { c with pgscale = float_of_string
v }
6435 | "use-pbo" -> { c with usepbo
= bool_of_string
v }
6436 | "wheel-scrolls-pages" -> { c with wheelbypage
= bool_of_string
v }
6439 prerr_endline
("Error processing attribute (`" ^
6440 k ^
"'=`" ^
v ^
"'): " ^ exntos exn
);
6443 let rec fold c = function
6446 let c = apply c k v in
6449 fold { c with keyhashes
= copykeyhashes c } attrs
;
6452 let fromstring f pos
n v d =
6455 dolog
"Error processing attribute (%S=%S) at %d\n%s"
6456 n v pos
(exntos exn
)
6461 let bookmark_of attrs
=
6462 let rec fold title page
rely visy
= function
6463 | ("title", v) :: rest
-> fold v page
rely visy rest
6464 | ("page", v) :: rest
-> fold title v rely visy rest
6465 | ("rely", v) :: rest
-> fold title page
v visy rest
6466 | ("visy", v) :: rest
-> fold title page
rely v rest
6467 | _ :: rest
-> fold title page
rely visy rest
6468 | [] -> title, page
, rely, visy
6470 fold "invalid" "0" "0" "0" attrs
6474 let rec fold path page
rely pan visy
= function
6475 | ("path", v) :: rest
-> fold v page
rely pan visy rest
6476 | ("page", v) :: rest
-> fold path v rely pan visy rest
6477 | ("rely", v) :: rest
-> fold path page
v pan visy rest
6478 | ("pan", v) :: rest
-> fold path page
rely v visy rest
6479 | ("visy", v) :: rest
-> fold path page
rely pan
v rest
6480 | _ :: rest
-> fold path page
rely pan visy rest
6481 | [] -> path, page
, rely, pan
, visy
6483 fold "" "0" "0" "0" "0" attrs
6487 let rec fold rs ls
= function
6488 | ("out", v) :: rest
-> fold v ls rest
6489 | ("in", v) :: rest
-> fold rs
v rest
6490 | _ :: rest
-> fold ls rs rest
6496 let setconf dst
src =
6497 dst
.scrollbw
<- src.scrollbw
;
6498 dst
.scrollh
<- src.scrollh
;
6499 dst
.icase
<- src.icase
;
6500 dst
.preload <- src.preload;
6501 dst
.pagebias
<- src.pagebias
;
6502 dst
.verbose
<- src.verbose
;
6503 dst
.scrollstep
<- src.scrollstep
;
6504 dst
.maxhfit
<- src.maxhfit
;
6505 dst
.crophack
<- src.crophack
;
6506 dst
.autoscrollstep
<- src.autoscrollstep
;
6507 dst
.maxwait
<- src.maxwait
;
6508 dst
.hlinks
<- src.hlinks
;
6509 dst
.underinfo
<- src.underinfo
;
6510 dst
.interpagespace
<- src.interpagespace
;
6511 dst
.zoom <- src.zoom;
6512 dst
.presentation
<- src.presentation
;
6513 dst
.angle
<- src.angle
;
6514 dst
.cwinw
<- src.cwinw
;
6515 dst
.cwinh
<- src.cwinh
;
6516 dst
.savebmarks
<- src.savebmarks
;
6517 dst
.memlimit
<- src.memlimit
;
6518 dst
.fitmodel
<- src.fitmodel
;
6519 dst
.texcount
<- src.texcount
;
6520 dst
.sliceheight
<- src.sliceheight
;
6521 dst
.thumbw
<- src.thumbw
;
6522 dst
.jumpback
<- src.jumpback
;
6523 dst
.bgcolor
<- src.bgcolor
;
6524 dst
.scrollbarinpm
<- src.scrollbarinpm
;
6525 dst
.tilew
<- src.tilew
;
6526 dst
.tileh
<- src.tileh
;
6527 dst
.mustoresize
<- src.mustoresize
;
6528 dst
.checkers
<- src.checkers
;
6529 dst
.aalevel
<- src.aalevel
;
6530 dst
.trimmargins
<- src.trimmargins
;
6531 dst
.trimfuzz
<- src.trimfuzz
;
6532 dst
.urilauncher
<- src.urilauncher
;
6533 dst
.colorspace
<- src.colorspace
;
6534 dst
.invert
<- src.invert
;
6535 dst
.colorscale
<- src.colorscale
;
6536 dst
.redirectstderr <- src.redirectstderr;
6537 dst
.ghyllscroll
<- src.ghyllscroll
;
6538 dst
.columns
<- src.columns
;
6539 dst
.beyecolumns
<- src.beyecolumns
;
6540 dst
.selcmd
<- src.selcmd
;
6541 dst
.updatecurs
<- src.updatecurs
;
6542 dst
.pathlauncher
<- src.pathlauncher
;
6543 dst
.keyhashes
<- copykeyhashes src;
6544 dst
.hfsize
<- src.hfsize
;
6545 dst
.hscrollstep
<- src.hscrollstep
;
6546 dst
.pgscale <- src.pgscale;
6547 dst
.usepbo
<- src.usepbo
;
6548 dst
.wheelbypage
<- src.wheelbypage
;
6549 dst
.stcmd
<- src.stcmd
;
6553 let h = Hashtbl.create
10 in
6554 let dc = { defconf with angle
= defconf.angle
} in
6555 let rec toplevel v t spos
_ =
6557 | Vdata
| Vcdata
| Vend
-> v
6558 | Vopen
("llppconfig", _, closed
) ->
6561 else { v with f = llppconfig
}
6563 error
"unexpected subelement at top level" s spos
6564 | Vclose
_ -> error
"unexpected close at top level" s spos
6566 and llppconfig
v t spos
_ =
6568 | Vdata
| Vcdata
-> v
6569 | Vend
-> error
"unexpected end of input in llppconfig" s spos
6570 | Vopen
("defaults", attrs
, closed
) ->
6571 let c = config_of dc attrs
in
6575 else { v with f = defaults
}
6577 | Vopen
("ui-font", attrs
, closed
) ->
6578 let rec getsize size
= function
6580 | ("size", v) :: rest
->
6582 fromstring int_of_string spos
"size" v fstate.fontsize
in
6584 | l -> getsize size l
6586 fstate.fontsize
<- getsize fstate.fontsize attrs
;
6589 else { v with f = uifont
(Buffer.create
10) }
6591 | Vopen
("doc", attrs
, closed
) ->
6592 let pathent, spage
, srely
, span
, svisy
= doc_of attrs
in
6593 let path = unent pathent
6594 and pageno = fromstring int_of_string spos
"page" spage
0
6595 and rely = fromstring float_of_string spos
"rely" srely
0.0
6596 and pan
= fromstring int_of_string spos
"pan" span
0
6597 and visy
= fromstring float_of_string spos
"visy" svisy
0.0 in
6598 let c = config_of dc attrs
in
6599 let anchor = (pageno, rely, visy
) in
6601 then (Hashtbl.add
h path (c, [], pan
, anchor); v)
6602 else { v with f = doc
path pan
anchor c [] }
6605 error
"unexpected subelement in llppconfig" s spos
6607 | Vclose
"llppconfig" -> { v with f = toplevel }
6608 | Vclose
_ -> error
"unexpected close in llppconfig" s spos
6610 and defaults
v t spos
_ =
6612 | Vdata
| Vcdata
-> v
6613 | Vend
-> error
"unexpected end of input in defaults" s spos
6614 | Vopen
("keymap", attrs
, closed
) ->
6616 try List.assoc
"mode" attrs
6617 with Not_found
-> "global" in
6622 let h = findkeyhash dc modename in
6623 KeyMap.iter
(Hashtbl.replace
h) keymap
;
6626 { v with f = pkeymap
ret KeyMap.empty }
6628 | Vopen
(_, _, _) ->
6629 error
"unexpected subelement in defaults" s spos
6631 | Vclose
"defaults" ->
6632 { v with f = llppconfig
}
6634 | Vclose
_ -> error
"unexpected close in defaults" s spos
6636 and uifont
b v t spos
epos =
6639 Buffer.add_substring
b s spos
(epos - spos
);
6641 | Vopen
(_, _, _) ->
6642 error
"unexpected subelement in ui-font" s spos
6643 | Vclose
"ui-font" ->
6644 if String.length
!fontpath = 0
6645 then fontpath := Buffer.contents
b;
6646 { v with f = llppconfig
}
6647 | Vclose
_ -> error
"unexpected close in ui-font" s spos
6648 | Vend
-> error
"unexpected end of input in ui-font" s spos
6650 and doc
path pan
anchor c bookmarks
v t spos
_ =
6652 | Vdata
| Vcdata
-> v
6653 | Vend
-> error
"unexpected end of input in doc" s spos
6654 | Vopen
("bookmarks", _, closed
) ->
6657 else { v with f = pbookmarks
path pan
anchor c bookmarks
}
6659 | Vopen
("keymap", attrs
, closed
) ->
6661 try List.assoc
"mode" attrs
6662 with Not_found
-> "global"
6668 let h = findkeyhash c modename in
6669 KeyMap.iter
(Hashtbl.replace
h) keymap
;
6670 doc
path pan
anchor c bookmarks
6672 { v with f = pkeymap
ret KeyMap.empty }
6674 | Vopen
(_, _, _) ->
6675 error
"unexpected subelement in doc" s spos
6678 Hashtbl.add
h path (c, List.rev bookmarks
, pan
, anchor);
6679 { v with f = llppconfig
}
6681 | Vclose
_ -> error
"unexpected close in doc" s spos
6683 and pkeymap
ret keymap
v t spos
_ =
6685 | Vdata
| Vcdata
-> v
6686 | Vend
-> error
"unexpected end of input in keymap" s spos
6687 | Vopen
("map", attrs
, closed
) ->
6688 let r, l = map_of attrs
in
6689 let kss = fromstring keys_of_string spos
"in" r [] in
6690 let lss = fromstring keys_of_string spos
"out" l [] in
6694 | ks
:: [] -> KeyMap.add ks
(KMinsrl
lss) keymap
6695 | ks
:: rest
-> KeyMap.add ks
(KMmulti
(rest
, lss)) keymap
6698 then { v with f = pkeymap
ret keymap }
6701 { v with f = skip
"map" f }
6704 error
"unexpected subelement in keymap" s spos
6706 | Vclose
"keymap" ->
6707 { v with f = ret keymap }
6709 | Vclose
_ -> error
"unexpected close in keymap" s spos
6711 and pbookmarks
path pan
anchor c bookmarks
v t spos
_ =
6713 | Vdata
| Vcdata
-> v
6714 | Vend
-> error
"unexpected end of input in bookmarks" s spos
6715 | Vopen
("item", attrs
, closed
) ->
6716 let titleent, spage
, srely
, svisy
= bookmark_of attrs
in
6717 let page = fromstring int_of_string spos
"page" spage
0
6718 and rely = fromstring float_of_string spos
"rely" srely
0.0
6719 and visy
= fromstring float_of_string spos
"visy" svisy
0.0 in
6721 (unent titleent, 0, (page, rely, visy
)) :: bookmarks
6724 then { v with f = pbookmarks
path pan
anchor c bookmarks }
6727 { v with f = skip
"item" f }
6730 error
"unexpected subelement in bookmarks" s spos
6732 | Vclose
"bookmarks" ->
6733 { v with f = doc
path pan
anchor c bookmarks }
6735 | Vclose
_ -> error
"unexpected close in bookmarks" s spos
6737 and skip tag
f v t spos
_ =
6739 | Vdata
| Vcdata
-> v
6741 error
("unexpected end of input in skipped " ^ tag
) s spos
6742 | Vopen
(tag'
, _, closed
) ->
6746 let f'
() = { v with f = skip tag
f } in
6747 { v with f = skip tag'
f'
}
6751 else error
("unexpected close in skipped " ^ tag
) s spos
6754 parse
{ f = toplevel; accu = () } s;
6760 let len = in_channel_length ic
in
6761 let s = String.create
len in
6762 really_input ic
s 0 len;
6765 | Parse_error
(msg
, s, pos
) ->
6766 let subs = subs s pos
in
6767 let s = Printf.sprintf
"%s: at %d [..%s..]" msg pos
subs in
6768 failwith
("parse error: " ^
s)
6771 failwith
("config load error: " ^ exntos exn
)
6777 let dir = Filename.concat
home ".config" in
6778 if Sys.is_directory
dir then dir else home
6781 Filename.concat
dir "llpp.conf"
6784 let confpath = ref defconfpath;;
6787 if Sys.file_exists
!confpath
6790 (try Some
(open_in_bin
!confpath)
6793 ("Error opening configuration file `" ^
!confpath ^
"': " ^
6804 ("Error loading configuration from `" ^
!confpath ^
"': " ^
6813 f (Hashtbl.create
0, defconf)
6818 let pc, pb
, px, pa
=
6821 if String.length
state.origin
= 0
6825 Hashtbl.find h (Filename.basename
key)
6826 with Not_found
-> dc, [], 0, emptyanchor
6830 state.bookmarks <- pb
;
6832 state.scrollw
<- conf.scrollbw
;
6834 then state.anchor <- pa
;
6835 cbput state.hists
.nav pa
;
6841 let add_attrs bb always
dc c =
6844 then Printf.bprintf bb
"\n %s='%b'" s a
6847 then Printf.bprintf bb
"\n %s='%d'" s a
6850 then Printf.bprintf bb
"\n %s='%s'" s (string_with_suffix_of_int a)
6853 then Printf.bprintf bb
"\n %s='%g'" s (a*.100.)
6856 then Printf.bprintf bb
"\n %s='%f'" s a
6860 Printf.bprintf bb
"\n %s='%s'" s (color_to_string a)
6864 Printf.bprintf bb
"\n %s='%s'" s (colorspace_to_string a)
6868 Printf.bprintf bb
"\n %s='%s'" s (irect_to_string a)
6872 Printf.bprintf bb
"\n %s='%s'" s (enent
a 0 (String.length
a))
6878 | Some
(_N
, _A
, _B
) ->
6879 Printf.bprintf bb
"\n %s='%u,%u,%u'" s _N _A _B
6889 else string_of_float
f
6891 Printf.bprintf bb
"\n %s='%s'" s v
6896 | Cmulti
((n, a, b), _) when n > 1 ->
6897 Printf.bprintf bb
"\n %s='%d,%d,%d'" s n a b
6898 | Csplit
(n, _) when n > 1 ->
6899 Printf.bprintf bb
"\n %s='%d'" s ~
-n
6905 | Some
c when c > 1 -> Printf.bprintf bb
"\n %s='%d'" s c
6910 Printf.bprintf bb
"\n %s='%s'" s (fitmodel_to_string a)
6912 oi
"width" c.cwinw
dc.cwinw
;
6913 oi
"height" c.cwinh
dc.cwinh
;
6914 oi
"scroll-bar-width" c.scrollbw
dc.scrollbw
;
6915 oi
"scroll-handle-height" c.scrollh
dc.scrollh
;
6916 ob "case-insensitive-search" c.icase
dc.icase
;
6917 ob "preload" c.preload dc.preload;
6918 oi
"page-bias" c.pagebias
dc.pagebias
;
6919 oi
"scroll-step" c.scrollstep
dc.scrollstep
;
6920 oi
"auto-scroll-step" c.autoscrollstep
dc.autoscrollstep
;
6921 ob "max-height-fit" c.maxhfit
dc.maxhfit
;
6922 ob "crop-hack" c.crophack
dc.crophack
;
6923 oW
"throttle" c.maxwait
dc.maxwait
;
6924 ob "highlight-links" c.hlinks
dc.hlinks
;
6925 ob "under-cursor-info" c.underinfo
dc.underinfo
;
6926 oi
"vertical-margin" c.interpagespace
dc.interpagespace
;
6927 oz
"zoom" c.zoom dc.zoom;
6928 ob "presentation" c.presentation
dc.presentation
;
6929 oi
"rotation-angle" c.angle
dc.angle
;
6930 ob "persistent-bookmarks" c.savebmarks
dc.savebmarks
;
6931 oFm
"fit-model" c.fitmodel
dc.fitmodel
;
6932 oI
"pixmap-cache-size" c.memlimit
dc.memlimit
;
6933 oi
"tex-count" c.texcount
dc.texcount
;
6934 oi
"slice-height" c.sliceheight
dc.sliceheight
;
6935 oi
"thumbnail-width" c.thumbw
dc.thumbw
;
6936 ob "persistent-location" c.jumpback
dc.jumpback
;
6937 oc
"background-color" c.bgcolor
dc.bgcolor
;
6938 ob "scrollbar-in-presentation" c.scrollbarinpm
dc.scrollbarinpm
;
6939 oi
"tile-width" c.tilew
dc.tilew
;
6940 oi
"tile-height" c.tileh
dc.tileh
;
6941 oI
"mupdf-store-size" c.mustoresize
dc.mustoresize
;
6942 ob "checkers" c.checkers
dc.checkers
;
6943 oi
"aalevel" c.aalevel
dc.aalevel
;
6944 ob "trim-margins" c.trimmargins
dc.trimmargins
;
6945 oR
"trim-fuzz" c.trimfuzz
dc.trimfuzz
;
6946 os
"uri-launcher" c.urilauncher
dc.urilauncher
;
6947 os
"path-launcher" c.pathlauncher
dc.pathlauncher
;
6948 oC
"color-space" c.colorspace
dc.colorspace
;
6949 ob "invert-colors" c.invert
dc.invert
;
6950 oF
"brightness" c.colorscale
dc.colorscale
;
6951 ob "redirectstderr" c.redirectstderr dc.redirectstderr;
6952 og
"ghyllscroll" c.ghyllscroll
dc.ghyllscroll
;
6953 oco
"columns" c.columns
dc.columns
;
6954 obeco
"birds-eye-columns" c.beyecolumns
dc.beyecolumns
;
6955 os
"selection-command" c.selcmd
dc.selcmd
;
6956 os
"synctex-command" c.stcmd
dc.stcmd
;
6957 ob "update-cursor" c.updatecurs
dc.updatecurs
;
6958 oi
"hint-font-size" c.hfsize
dc.hfsize
;
6959 oi
"horizontal-scroll-step" c.hscrollstep
dc.hscrollstep
;
6960 oF
"page-scroll-scale" c.pgscale dc.pgscale;
6961 ob "use-pbo" c.usepbo
dc.usepbo
;
6962 ob "wheel-scrolls-pages" c.wheelbypage
dc.wheelbypage
;
6965 let keymapsbuf always
dc c =
6966 let bb = Buffer.create
16 in
6967 let rec loop = function
6969 | (modename, h) :: rest
->
6970 let dh = findkeyhash dc modename in
6971 if always
|| h <> dh
6973 if Hashtbl.length
h > 0
6975 if Buffer.length
bb > 0
6976 then Buffer.add_char
bb '
\n'
;
6977 Printf.bprintf
bb "<keymap mode='%s'>\n" modename;
6978 Hashtbl.iter
(fun i
o ->
6979 let isdifferent = always
||
6981 let dO = Hashtbl.find dh i
in
6983 with Not_found
-> true
6988 if Wsi.withctrl
m then Buffer.add_string
bb "ctrl-";
6989 if Wsi.withalt
m then Buffer.add_string
bb "alt-";
6990 if Wsi.withshift
m then Buffer.add_string
bb "shift-";
6991 if Wsi.withmeta
m then Buffer.add_string
bb "meta-";
6992 Buffer.add_string
bb (Wsi.keyname
k);
6995 let rec loop = function
6997 | km
:: [] -> addkm km
6998 | km
:: rest
-> addkm km
; Buffer.add_char
bb ' '
; loop rest
7002 Buffer.add_string
bb "<map in='";
7006 Buffer.add_string
bb "' out='";
7008 Buffer.add_string
bb "'/>\n"
7011 Buffer.add_string
bb "' out='";
7013 Buffer.add_string
bb "'/>\n"
7015 | KMmulti
(ins, kms
) ->
7016 Buffer.add_char
bb ' '
;
7018 Buffer.add_string
bb "' out='";
7020 Buffer.add_string
bb "'/>\n"
7022 Buffer.add_string
bb "</keymap>";
7032 let uifontsize = fstate.fontsize
in
7033 let bb = Buffer.create
32768 in
7034 let relx = float state.x /. float state.winw in
7036 let cx w = truncate
(relx *. float w) in
7038 (fun (w, h, x) ws
->
7040 | Wsi.Fullscreen
-> (conf.cwinw
, conf.cwinh
, cx conf.cwinw
)
7041 | Wsi.MaxVert
-> (w, conf.cwinh
, x)
7042 | Wsi.MaxHorz
-> (conf.cwinw
, h, cx conf.cwinw
)
7044 (state.winw, state.winh
, state.x) state.winstate
7049 let dc = if conf.bedefault
then conf else dc in
7050 Buffer.add_string
bb "<llppconfig>\n";
7052 if String.length
!fontpath > 0
7054 Printf.bprintf
bb "<ui-font size='%d'><![CDATA[%s]]></ui-font>\n"
7060 Printf.bprintf
bb "<ui-font size='%d'/>\n" uifontsize
7063 Buffer.add_string
bb "<defaults ";
7064 add_attrs bb true dc dc;
7065 let kb = keymapsbuf true dc dc in
7066 if Buffer.length
kb > 0
7068 Buffer.add_string
bb ">\n";
7069 Buffer.add_buffer
bb kb;
7070 Buffer.add_string
bb "\n</defaults>\n";
7072 else Buffer.add_string
bb "/>\n";
7074 let adddoc path pan
anchor c bookmarks =
7075 if bookmarks == [] && c = dc && anchor = emptyanchor
7078 Printf.bprintf
bb "<doc path='%s'"
7079 (enent
path 0 (String.length
path));
7081 if anchor <> emptyanchor
7083 let n, rely, visy
= anchor in
7084 Printf.bprintf
bb " page='%d'" n;
7087 Printf.bprintf
bb " rely='%f'" rely
7089 if abs_float visy
> 1e-6
7091 Printf.bprintf
bb " visy='%f'" visy
7096 then Printf.bprintf
bb " pan='%d'" pan
;
7098 add_attrs bb false dc c;
7099 let kb = keymapsbuf false dc c in
7101 begin match bookmarks with
7103 if Buffer.length
kb > 0
7105 Buffer.add_string
bb ">\n";
7106 Buffer.add_buffer
bb kb;
7107 Buffer.add_string
bb "\n</doc>\n";
7109 else Buffer.add_string
bb "/>\n"
7111 Buffer.add_string
bb ">\n<bookmarks>\n";
7112 List.iter
(fun (title, _level
, (page, rely, visy
)) ->
7114 "<item title='%s' page='%d'"
7115 (enent
title 0 (String.length
title))
7120 Printf.bprintf
bb " rely='%f'" rely
7122 if abs_float visy
> 1e-6
7124 Printf.bprintf
bb " visy='%f'" visy
7126 Buffer.add_string
bb "/>\n";
7128 Buffer.add_string
bb "</bookmarks>";
7129 if Buffer.length
kb > 0
7131 Buffer.add_string
bb "\n";
7132 Buffer.add_buffer
bb kb;
7134 Buffer.add_string
bb "\n</doc>\n";
7140 match state.mode with
7141 | Birdseye
(c, pan, _, _, _) ->
7143 match conf.columns
with
7144 | Cmulti
((c, _, _), _) -> Some
c
7148 match c.columns
with
7149 | Cmulti
(c, _) -> Cmulti
(c, [||])
7150 | Csingle
_ -> Csingle
[||]
7151 | Csplit
_ -> failwith
"quit from bird's eye while split"
7153 pan, { c with beyecolumns = beyecolumns; columns
= columns
}
7156 let basename = Filename.basename
7157 (if String.length
state.origin
= 0 then state.path else state.origin
)
7159 adddoc basename pan (getanchor ())
7161 let autoscrollstep =
7162 match state.autoscroll
with
7164 | None
-> conf.autoscrollstep
7166 match state.mode with
7167 | Birdseye
(bc
, _, _, _, _) ->
7170 presentation
= bc
.presentation
;
7171 interpagespace
= bc
.interpagespace
;
7172 maxwait
= bc
.maxwait
;
7173 autoscrollstep = autoscrollstep }
7174 | _ -> { conf with autoscrollstep = autoscrollstep }
7176 (if conf.savebmarks
then state.bookmarks else []);
7178 Hashtbl.iter
(fun path (c, bookmarks, x, anchor) ->
7180 then adddoc path x anchor c bookmarks
7182 Buffer.add_string
bb "</llppconfig>\n";
7185 if load1 f && Buffer.length
bb > 0
7188 let tmp = !confpath ^
".tmp" in
7189 let oc = open_out_bin
tmp in
7190 Buffer.output_buffer
oc bb;
7192 Unix.rename
tmp !confpath;
7195 ("error while saving configuration: " ^ exntos exn
)
7199 let adderrmsg src msg
=
7200 Buffer.add_string
state.errmsgs msg
;
7201 state.newerrmsgs
<- true;
7205 let adderrfmt src fmt
=
7206 Format.kprintf
(fun s -> adderrmsg src s) fmt
;
7210 let cl = splitatspace cmds
in
7212 try Scanf.sscanf
s fmt
f
7214 adderrfmt "remote exec"
7215 "error processing '%S': %s\n" cmds
(exntos exn
)
7218 | "reload" :: [] -> reload ()
7219 | "goto" :: args :: [] ->
7220 scan args "%u %f %f"
7222 let cmd, _ = state.geomcmds
in
7223 if String.length
cmd = 0
7224 then gotopagexy pageno x y
7227 gotopagexy pageno x y;
7230 state.reprf
<- f state.reprf
7232 | "goto1" :: args :: [] -> scan args "%u %f" gotopage
7233 | "rect" :: args :: [] ->
7234 scan args "%u %u %f %f %f %f"
7235 (fun pageno color x0 y0 x1 y1 ->
7236 onpagerect pageno (fun w h ->
7237 let _,w1,h1
,_ = getpagedim pageno in
7238 let sw = float w1 /. w
7239 and sh = float h1
/. h in
7243 and y1s
= y1 *. sh in
7244 let rect = (x0s,y0s
,x1s
,y0s
,x1s
,y1s
,x0s,y1s
) in
7246 state.rects <- (pageno, color, rect) :: state.rects;
7247 G.postRedisplay "rect";
7250 | "activatewin" :: [] -> Wsi.activatewin
()
7251 | "quit" :: [] -> raise Quit
7253 adderrfmt "remote command"
7254 "error processing remote command: %S\n" cmds
;
7258 let scratch = String.create
80 in
7259 let buf = Buffer.create
80 in
7262 try Some
(Unix.read fd
scratch 0 80)
7264 | Unix.Unix_error
(Unix.EAGAIN
, _, _) -> None
7265 | Unix.Unix_error
(Unix.EINTR
, _, _) -> tempfr ()
7268 match tempfr () with
7274 if Buffer.length
buf > 0
7276 let s = Buffer.contents
buf in
7286 let pos = String.index_from
scratch ppos '
\n'
in
7287 if pos >= n then -1 else pos
7288 with Not_found
-> -1
7292 Buffer.add_substring
buf scratch ppos
(nlpos-ppos
);
7293 let s = Buffer.contents
buf in
7299 Buffer.add_substring
buf scratch ppos
(n-ppos
);
7305 let remoteopen path =
7306 try Some
(Unix.openfile
path [Unix.O_NONBLOCK
; Unix.O_RDONLY
] 0o0
)
7308 adderrfmt "remoteopen" "error opening %S: %s" path (exntos exn
);
7313 let trimcachepath = ref "" in
7314 let rcmdpath = ref "" in
7317 [("-p", Arg.String
(fun s -> state.password
<- s),
7318 "<password> Set password");
7320 ("-f", Arg.String
(fun s -> Config.fontpath := s),
7321 "<path> Set path to the user interface font");
7323 ("-c", Arg.String
(fun s -> Config.confpath := s),
7324 "<path> Set path to the configuration file");
7326 ("-tcf", Arg.String
(fun s -> trimcachepath := s),
7327 "<path> Set path to the trim cache file");
7329 ("-dest", Arg.String
(fun s -> state.nameddest
<- s),
7330 "<named-destination> Set named destination");
7332 ("-wtmode", Arg.Set
wtmode, " Operate in wt mode");
7334 ("-remote", Arg.String
(fun s -> rcmdpath := s),
7335 "<path> Set path to the remote commands source");
7337 ("-origin", Arg.String
(fun s -> state.origin
<- s),
7338 "<original-path> Set original path");
7340 ("-v", Arg.Unit
(fun () ->
7342 "%s\nconfiguration path: %s\n"
7346 exit
0), " Print version and exit");
7349 (fun s -> state.path <- s)
7350 ("Usage: " ^
Sys.argv
.(0) ^
" [options] some.pdf\nOptions:")
7352 if String.length
state.path = 0
7353 then (prerr_endline
"file name missing"; exit
1);
7355 if not
(Config.load ())
7356 then prerr_endline
"failed to load configuration";
7358 let globalkeyhash = findkeyhash conf "global" in
7359 let wsfd, winw, winh
= Wsi.init
(object
7361 if nogeomcmds state.geomcmds
|| platform == Posx
7364 GlClear.color (scalecolor2 conf.bgcolor
);
7365 GlClear.clear
[`
color];
7367 method display = display ()
7368 method reshape w h = reshape w h
7369 method mouse b d x y m = mouse b d x y m
7370 method motion x y = state.mpos
<- (x, y); motion x y
7371 method pmotion x y = state.mpos
<- (x, y); pmotion x y
7373 let mascm = m land (
7374 Wsi.altmask
+ Wsi.shiftmask
+ Wsi.ctrlmask
+ Wsi.metamask
7376 match state.keystate
with
7378 let km = k, mascm in
7381 let modehash = state.uioh#
modehash in
7382 try Hashtbl.find modehash km
7384 try Hashtbl.find globalkeyhash km
7385 with Not_found
-> KMinsrt
(k, m)
7387 | KMinsrt
(k, m) -> keyboard k m
7388 | KMinsrl
l -> List.iter
(fun (k, m) -> keyboard k m) l
7389 | KMmulti
(l, r) -> state.keystate
<- KSinto
(l, r)
7391 | KSinto
((k'
, m'
) :: [], insrt
) when k'
=k && m'
land mascm = m'
->
7392 List.iter
(fun (k, m) -> keyboard k m) insrt
;
7393 state.keystate
<- KSnone
7394 | KSinto
((k'
, m'
) :: keys
, insrt
) when k'
=k && m'
land mascm = m'
->
7395 state.keystate
<- KSinto
(keys
, insrt
)
7397 state.keystate
<- KSnone
7399 method enter
x y = state.mpos
<- (x, y); pmotion x y
7400 method leave = state.mpos
<- (-1, -1)
7401 method winstate wsl
= state.winstate
<- wsl
7402 method quit
= raise Quit
7403 end) conf.cwinw
conf.cwinh
(platform = Posx
) in
7408 List.exists
GlMisc.check_extension
7409 [ "GL_ARB_texture_rectangle"
7410 ; "GL_EXT_texture_recangle"
7411 ; "GL_NV_texture_rectangle" ]
7413 then (prerr_endline
"OpenGL does not suppport rectangular textures"; exit
1);
7416 match Ne.pipe () with
7418 Printf.eprintf
"pipe/crsw failed: %s" (exntos exn
);
7422 match Ne.pipe () with
7424 Printf.eprintf
"pipe/srcw failed: %s" (exntos exn
);
7434 setcheckers conf.checkers
;
7438 conf.angle
, conf.fitmodel
, (conf.trimmargins
, conf.trimfuzz
),
7439 conf.texcount
, conf.sliceheight
, conf.mustoresize
, conf.colorspace
,
7440 !Config.fontpath, !trimcachepath,
7441 GlMisc.check_extension
"GL_ARB_pixel_buffer_object"
7445 state.text <- "Opening " ^
(mbtoutf8
state.path);
7447 opendoc state.path state.password
;
7450 Sys.set_signal
Sys.sighup
(Sys.Signal_handle
(fun _ -> reload ()));
7453 if String.length
!rcmdpath > 0
7454 then remoteopen !rcmdpath
7459 let rec loop deadline
=
7461 match state.errfd
with
7462 | None
-> [state.sr
; state.wsfd]
7463 | Some fd
-> [state.sr
; state.wsfd; fd
]
7468 | Some fd
-> fd
:: r
7472 state.redisplay
<- false;
7479 if deadline
= infinity
7481 else max
0.0 (deadline
-. now)
7486 try Unix.select
r [] [] timeout
7487 with Unix.Unix_error
(Unix.EINTR
, _, _) -> [], [], []
7493 if state.ghyll
== noghyll
7495 match state.autoscroll
with
7496 | Some step
when step
!= 0 ->
7497 let y = state.y + step
in
7501 else if y >= state.maxy then 0 else y
7504 if state.mode = View
7505 then state.text <- "";
7508 else deadline
+. 0.01
7513 let rec checkfds = function
7515 | fd
:: rest
when fd
= state.sr
->
7516 let cmd = readcmd state.sr
in
7520 | fd
:: rest
when fd
= state.wsfd ->
7524 | fd
:: rest
when Some fd
= !optrfd ->
7525 begin match remote fd
with
7526 | None
-> optrfd := remoteopen !rcmdpath;
7527 | opt -> optrfd := opt
7532 let s = String.create
80 in
7533 let n = tempfailureretry
(Unix.read fd
s 0) 80 in
7534 if conf.redirectstderr
7536 Buffer.add_substring
state.errmsgs
s 0 n;
7537 state.newerrmsgs
<- true;
7538 state.redisplay
<- true;
7541 prerr_string
(String.sub
s 0 n);
7549 if deadline
= infinity
7553 match state.autoscroll
with
7554 | Some step
when step
!= 0 -> deadline1
7555 | _ -> if state.ghyll
== noghyll then infinity
else deadline1