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
1828 (l.pageno, top, dtop)
1832 match state.layout with
1833 | l :: _ -> getanchor1 l
1835 let n = page_of_y state.y in
1839 let y, h = getpageyh n in
1840 let dy = y - state.y in
1842 if conf.presentation
1844 let ips = calcips h in
1845 float (dy + ips) /. float ips
1847 float dy /. float conf.interpagespace
1852 let getanchory (n, top, dtop) =
1853 let y, h = getpageyh n in
1854 if conf.presentation
1856 let ips = calcips h in
1857 y + truncate
(top*.float h -. dtop*.float ips) + ips;
1859 y + truncate
(top*.float h -. dtop*.float conf.interpagespace
)
1862 let gotoanchor anchor
=
1863 gotoy (getanchory anchor
);
1867 cbput state.hists
.nav
(getanchor ());
1871 let anchor = cbgetc state.hists
.nav dir
in
1876 let scroll f n a
b =
1877 (* http://devmaster.net/forums/topic/9796-ease-in-ease-out-algorithm/ *)
1879 let s x = 3.0*.x**2.0 -. 2.0*.x**3.0 in
1881 then s (float f /. float a
)
1884 then 1.0 -. s ((float (f-b) /. float (n-b)))
1890 (* courtesy: (calc-eval "integ(3x^2-2x^3,x)") *)
1891 let iv x = x**3.-.0.5*.x**4. in
1893 let ins = float a
*. iv1
1894 and outs
= float (n-b) *. iv1 in
1896 ins +. outs
+. float ones
1898 let rec set (_N
, _A
, _B
) y sy
=
1899 let sum = summa
1.0 _N _A _B
in
1900 let dy = float (y - sy
) in
1904 then state.ghyll
<- noghyll
1907 let s = scroll n _N _A _B
in
1908 let y1 = y1 +. ((s *. dy) /. sum) in
1909 gotoy_and_clear_text (truncate
y1);
1910 state.ghyll
<- gf (n+1) y1;
1914 | Some
y'
-> set (_N
/2, 1, 1) y'
state.y
1916 gf 0 (float state.y)
1919 match conf.ghyllscroll
with
1921 gotoy_and_clear_text y
1923 if state.ghyll
== noghyll
1924 then set nab
y state.y
1925 else state.ghyll
(Some
y)
1928 let gotopage n top =
1929 let y, h = getpageyh n in
1930 let y = y + (truncate
(top *. float h)) in
1934 let gotopage1 n top =
1935 let y = getpagey n in
1940 let invalidate s f =
1945 match state.geomcmds
with
1946 | ps
, [] when String.length ps
= 0 ->
1948 state.geomcmds
<- s, [];
1951 state.geomcmds
<- ps
, [s, f];
1953 | ps
, (s'
, _) :: rest
when s'
= s ->
1954 state.geomcmds
<- ps
, ((s, f) :: rest
);
1957 state.geomcmds
<- ps
, ((s, f) :: cmds
);
1961 Hashtbl.iter
(fun _ opaque
->
1962 wcmd "freepage %s" opaque
;
1964 Hashtbl.clear
state.pagemap
;
1968 if not
(Queue.is_empty
state.tilelru
)
1970 Queue.iter
(fun (k
, p
, s) ->
1971 wcmd "freetile %s" p
;
1972 state.memused
<- state.memused
- s;
1973 Hashtbl.remove
state.tilemap k
;
1975 state.uioh#infochanged Memused
;
1976 Queue.clear
state.tilelru
;
1981 let opendoc path password
=
1983 state.password
<- password
;
1984 state.gen
<- state.gen
+ 1;
1985 state.docinfo
<- [];
1988 setaalevel
conf.aalevel
;
1990 if String.length
state.origin
= 0
1994 Wsi.settitle
("llpp " ^
(mbtoutf8
(Filename.basename
titlepath)));
1995 wcmd "open %d %s\000%s\000" (btod !wtmode) path password
;
1996 invalidate "reqlayout"
1998 wcmd "reqlayout %d %d %s\000"
1999 conf.angle
(int_of_fitmodel conf.fitmodel
) state.nameddest
;
2004 state.anchor <- getanchor ();
2005 opendoc state.path
state.password
;
2009 let c = c *. conf.colorscale
in
2013 let scalecolor2 (r, g, b) =
2014 (r *. conf.colorscale
, g *. conf.colorscale
, b *. conf.colorscale
);
2017 let docolumns = function
2019 let a = Array.make
state.pagecount
(-1, -1, -1, (-1, -1, -1, -1)) in
2020 let rec loop pageno pdimno pdim
y ph pdims
=
2021 if pageno = state.pagecount
2024 let pdimno, ((_, w, h, xoff
) as pdim
), pdims
=
2026 | ((pageno'
, _, _, _) as pdim
) :: rest
when pageno'
= pageno ->
2027 pdimno+1, pdim
, rest
2031 let x = max
0 (((state.winw
- state.scrollw
- w) / 2) - xoff
) in
2033 (if conf.presentation
2034 then (if pageno = 0 then calcips h else calcips ph
+ calcips h)
2035 else (if pageno = 0 then 0 else conf.interpagespace
)
2038 a.(pageno) <- (pdimno, x, y, pdim
);
2039 loop (pageno+1) pdimno pdim
(y + h) h pdims
2041 loop 0 ~
-1 (-1,-1,-1,-1) 0 0 state.pdims
;
2042 conf.columns
<- Csingle
a;
2044 | Cmulti
((columns
, coverA
, coverB
), _) ->
2045 let a = Array.make
state.pagecount
(-1, -1, -1, (-1, -1, -1, -1)) in
2046 let rec loop pageno pdimno pdim
x y rowh pdims
=
2047 let rec fixrow m
= if m
= pageno then () else
2048 let (pdimno, x, y, ((_, _, h, _) as pdim
)) = a.(m
) in
2051 let y = y + (rowh
- h) / 2 in
2052 a.(m
) <- (pdimno, x, y, pdim
);
2056 if pageno = state.pagecount
2057 then fixrow (((pageno - 1) / columns
) * columns
)
2059 let pdimno, ((_, w, h, xoff
) as pdim
), pdims
=
2061 | ((pageno'
, _, _, _) as pdim
) :: rest
when pageno'
= pageno ->
2062 pdimno+1, pdim
, rest
2067 if pageno = coverA
- 1 || pageno = state.pagecount
- coverB
2069 let x = (state.winw
- state.scrollw
- w) / 2 in
2071 if conf.presentation
then calcips h else conf.interpagespace
in
2072 x, y + ips + rowh
, h
2075 if (pageno - coverA
) mod columns
= 0
2077 let x = max
0 (state.winw
- state.scrollw
- state.w) / 2 in
2079 if conf.presentation
2081 let ips = calcips h in
2082 y + (if pageno = 0 then 0 else calcips rowh
+ ips)
2084 y + (if pageno = 0 then 0 else conf.interpagespace
)
2088 else x, y, max rowh
h
2092 if pageno > 1 && (pageno - coverA
) mod columns
= 0
2095 if pageno = columns
&& conf.presentation
2097 let ips = calcips rowh
in
2098 for i
= 0 to pred columns
2100 let (pdimno, x, y, pdim
) = a.(i
) in
2101 a.(i
) <- (pdimno, x, y+ips, pdim
)
2107 fixrow (pageno - columns
);
2112 a.(pageno) <- (pdimno, x, y, pdim
);
2113 let x = x + w + xoff
*2 + conf.interpagespace
in
2114 loop (pageno+1) pdimno pdim
x y rowh' pdims
2116 loop 0 ~
-1 (-1,-1,-1,-1) 0 0 0 state.pdims
;
2117 conf.columns
<- Cmulti
((columns
, coverA
, coverB
), a);
2120 let a = Array.make
(state.pagecount
*c) (-1, -1, -1, (-1, -1, -1, -1)) in
2121 let rec loop pageno pdimno pdim
y pdims
=
2122 if pageno = state.pagecount
2125 let pdimno, ((_, w, h, _) as pdim
), pdims
=
2127 | ((pageno'
, _, _, _) as pdim
) :: rest
when pageno'
= pageno ->
2128 pdimno+1, pdim
, rest
2133 let rec loop1 n x y =
2134 if n = c then y else (
2135 a.(pageno*c + n) <- (pdimno, x, y, pdim
);
2136 loop1 (n+1) (x+cw) (y + h + conf.interpagespace
)
2139 let y = loop1 0 0 y in
2140 loop (pageno+1) pdimno pdim
y pdims
2142 loop 0 ~
-1 (-1,-1,-1,-1) 0 state.pdims
;
2143 conf.columns
<- Csplit
(c, a);
2147 docolumns conf.columns
;
2148 state.maxy
<- calcheight ();
2150 if state.x = 0 && state.w <= state.winw
- state.scrollw
2154 if state.reprf
== noreprf
2156 match state.mode
with
2157 | Birdseye
(_, _, pageno, _, _) ->
2158 let y, h = getpageyh pageno in
2159 let top = (state.winh
- h) / 2 in
2160 gotoy (max
0 (y - top))
2161 | _ -> gotoanchor state.anchor
2165 state.reprf
<- noreprf;
2170 GlDraw.viewport
0 0 w h;
2171 let firsttime = state.geomcmds
== firstgeomcmds in
2172 if not
firsttime && nogeomcmds state.geomcmds
2173 then state.anchor <- getanchor ();
2176 let w = truncate
(float w *. conf.zoom
) - state.scrollw
in
2179 setfontsize fstate.fontsize
;
2180 GlMat.mode `modelview
;
2181 GlMat.load_identity
();
2183 GlMat.mode `projection
;
2184 GlMat.load_identity
();
2185 GlMat.rotate ~
x:1.0 ~angle
:180.0 ();
2186 GlMat.translate ~
x:~
-.1.0 ~
y:~
-.1.0 ();
2187 GlMat.scale3
(2.0 /. float state.winw
, 2.0 /. float state.winh
, 1.0);
2192 else float state.x /. float state.w
2194 invalidate "geometry"
2198 then state.x <- truncate
(relx *. float w);
2200 match conf.columns
with
2202 | Cmulti
((c, _, _), _) -> (w - (c-1)*conf.interpagespace
) / c
2203 | Csplit
(c, _) -> w * c
2205 wcmd "geometry %d %d %d"
2206 w ((truncate
(float h*.conf.zoom
)) - 2*conf.interpagespace
)
2207 (int_of_fitmodel conf.fitmodel
)
2212 let len = String.length
state.text in
2215 match state.mode
with
2218 let h, _, _ = state.uioh#scrollpw
in
2224 (x, float (state.winh
- (fstate.fontsize
+ 4) - hscrollh))
2225 (x+.w, float (state.winh
- hscrollh))
2228 let w = float (state.winw
- state.scrollw
- 1) in
2229 if state.progress
>= 0.0 && state.progress
< 1.0
2231 GlDraw.color
(0.3, 0.3, 0.3);
2232 let w1 = w *. state.progress
in
2234 GlDraw.color
(0.0, 0.0, 0.0);
2238 GlDraw.color
(0.0, 0.0, 0.0);
2242 GlDraw.color
(1.0, 1.0, 1.0);
2243 drawstring fstate.fontsize
2244 (if len > 0 then 8 else 2) (state.winh
- hscrollh - 5) s;
2247 match state.mode
with
2248 | Textentry
((prefix
, text, _, _, _, _), _) ->
2252 Printf.sprintf
"%s%s_ [%s]" prefix
text state.text
2254 Printf.sprintf
"%s%s_" prefix
text
2263 if not
(istextentry state.mode
) && state.uioh#eformsgs
2265 let s1 = "(press 'e' to review error messasges)" in
2266 if String.length
s > 0 then s ^
" " ^
s1 else s1
2271 if String.length
s > 0
2276 let len = Queue.length
state.tilelru
in
2278 match state.throttle
with
2281 then preloadlayout state.y
2283 | Some
(layout, _, _) ->
2287 if state.memused
<= conf.memlimit
2292 let (k
, p
, s) as lruitem
= Queue.pop
state.tilelru
in
2293 let n, gen
, colorspace
, angle
, pagew
, pageh
, col, row = k
in
2294 let (_, pw, ph
, _) = getpagedim n in
2297 && colorspace
= conf.colorspace
2298 && angle
= conf.angle
2302 let x = col*conf.tilew
2303 and y = row*conf.tileh
in
2304 tilevisible (Lazy.force_val
layout) n x y
2306 then Queue.push lruitem
state.tilelru
2309 wcmd "freetile %s" p
;
2310 state.memused
<- state.memused
- s;
2311 state.uioh#infochanged Memused
;
2312 Hashtbl.remove
state.tilemap k
;
2320 let logcurrently = function
2321 | Idle
-> dolog
"Idle"
2322 | Loading
(l, gen
) ->
2323 dolog
"Loading %d gen=%d curgen=%d" l.pageno gen
state.gen
2324 | Tiling
(l, pageopaque
, colorspace
, angle
, gen
, col, row, tilew
, tileh
) ->
2326 "Tiling %d[%d,%d] page=%s cs=%s angle"
2327 l.pageno col row pageopaque
2328 (colorspace_to_string colorspace
)
2330 dolog
"gen=(%d,%d) (%d,%d) tile=(%d,%d) (%d,%d)"
2331 angle gen
conf.angle
state.gen
2333 conf.tilew
conf.tileh
2340 let r = Str.regexp
" " in
2341 fun s -> Str.bounded_split
r s 2;
2344 let onpagerect pageno f =
2346 match conf.columns
with
2347 | Cmulti
(_, b) -> b
2349 | Csplit
(_, b) -> b
2351 if pageno >= 0 && pageno < Array.length
b
2353 let (pdimno, _, _, (_, _, _, _)) = b.(pageno) in
2354 let r = getpdimrect
pdimno in
2355 f (r.(1)-.r.(0)) (r.(3)-.r.(2))
2358 let gotopagexy1 pageno x y =
2359 onpagerect pageno (fun w h ->
2361 let _,w1,_,leftx
= getpagedim pageno in
2362 let wh = state.winh
- state.hscrollh in
2363 let sw = float w1 /. w in
2365 let x = leftx
+ state.x + truncate
x in
2367 if x < 0 || x >= state.winw
- state.scrollw
2371 let py, h = getpageyh pageno in
2372 let pdy = truncate
(top *. float h) in
2373 let y'
= py + pdy in
2374 let dy = y'
- state.y in
2376 if x != state.x || not
(dy > 0 && dy < wh)
2378 if conf.presentation
2380 if abs
(py - y'
) > wh
2387 if state.x != sx || state.y != sy
2392 let ww = state.winw
- state.scrollw
in
2394 and qy
= pdy / wh in
2396 and y = py + qy
* wh in
2397 let x = if -x + ww > w1 then -(w1-ww) else x
2398 and y'
= if y + wh > state.maxy
then state.maxy
- wh else y in
2400 if conf.presentation
2402 if abs
(py - y'
) > wh
2413 if x = 0 && state.w <= state.winw
- state.scrollw
2417 gotoy_and_clear_text y;
2419 else gotoy_and_clear_text state.y;
2423 let gotopagexy pageno x y =
2424 match state.mode
with
2425 | Birdseye
_ -> gotopage pageno 0.0
2426 | _ -> gotopagexy1 pageno x y
2430 (* dolog "%S" cmds; *)
2431 let cl = splitatspace cmds
in
2433 try Scanf.sscanf
s fmt
f
2435 dolog
"error processing '%S': %s" cmds
(exntos exn
);
2440 state.uioh#infochanged Pdim
;
2443 | "clearrects" :: [] ->
2444 state.rects
<- state.rects1
;
2445 G.postRedisplay "clearrects";
2447 | "continue" :: args :: [] ->
2448 let n = scan args "%u" (fun n -> n) in
2449 state.pagecount
<- n;
2450 begin match state.currently
with
2452 state.currently
<- Idle
;
2453 state.outlines
<- Array.of_list
(List.rev
l)
2457 let cur, cmds
= state.geomcmds
in
2458 if String.length
cur = 0
2459 then failwith
"umpossible";
2461 begin match List.rev cmds
with
2463 state.geomcmds
<- "", [];
2467 state.geomcmds
<- s, List.rev rest
;
2469 if conf.maxwait
= None
&& not
!wtmode
2470 then G.postRedisplay "continue";
2472 | "title" :: args :: [] ->
2475 | "msg" :: args :: [] ->
2478 | "vmsg" :: args :: [] ->
2480 then showtext ' '
args
2482 | "emsg" :: args :: [] ->
2483 Buffer.add_string
state.errmsgs
args;
2484 state.newerrmsgs
<- true;
2485 G.postRedisplay "error message"
2487 | "progress" :: args :: [] ->
2488 let progress, text =
2491 f, String.sub
args pos
(String.length
args - pos
))
2494 state.progress <- progress;
2495 G.postRedisplay "progress"
2497 | "firstmatch" :: args :: [] ->
2498 let pageno, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
=
2499 scan args "%u %d %f %f %f %f %f %f %f %f"
2500 (fun p
c x0 y0 x1 y1 x2 y2 x3 y3
->
2501 (p
, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
))
2503 let y = (getpagey pageno) + truncate
y0 in
2506 state.rects1
<- [pageno, c, (x0, y0, x1, y1, x2
, y2
, x3
, y3
)]
2508 | "match" :: args :: [] ->
2509 let pageno, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
=
2510 scan args "%u %d %f %f %f %f %f %f %f %f"
2511 (fun p
c x0 y0 x1 y1 x2 y2 x3 y3
->
2512 (p
, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
))
2515 (pageno, c, (x0, y0, x1, y1, x2
, y2
, x3
, y3
)) :: state.rects1
2517 | "page" :: args :: [] ->
2518 let pageopaque, t
= scan args "%s %f" (fun p t
-> p
, t
) in
2519 begin match state.currently
with
2520 | Loading
(l, gen
) ->
2521 vlog "page %d took %f sec" l.pageno t
;
2522 Hashtbl.replace
state.pagemap
(l.pageno, gen
) pageopaque;
2523 begin match state.throttle
with
2525 let preloadedpages =
2527 then preloadlayout state.y
2532 List.fold_left
(fun s l -> IntSet.add
l.pageno s)
2533 IntSet.empty
preloadedpages
2536 Hashtbl.fold (fun ((pageno, _) as key) opaque
accu ->
2537 if not
(IntSet.mem
pageno set)
2539 wcmd "freepage %s" opaque
;
2545 List.iter
(Hashtbl.remove
state.pagemap
) evictedpages;
2548 state.currently
<- Idle
;
2551 tilepage l.pageno pageopaque state.layout;
2553 load preloadedpages;
2554 if pagevisible state.layout l.pageno
2555 && layoutready state.layout
2556 then G.postRedisplay "page";
2559 | Some
(layout, _, _) ->
2560 state.currently
<- Idle
;
2561 tilepage l.pageno pageopaque layout;
2566 dolog
"Inconsistent loading state";
2567 logcurrently state.currently
;
2571 | "tile" :: args :: [] ->
2572 let (x, y, opaque
, size
, t
) =
2573 scan args "%u %u %s %u %f"
2574 (fun x y p size t
-> (x, y, p
, size
, t
))
2576 begin match state.currently
with
2577 | Tiling
(l, pageopaque, cs
, angle
, gen
, col, row, tilew
, tileh
) ->
2578 vlog "tile %d [%d,%d] took %f sec" l.pageno col row t
;
2581 if tilew
!= conf.tilew
|| tileh
!= conf.tileh
2583 wcmd "freetile %s" opaque
;
2584 state.currently
<- Idle
;
2588 puttileopaque l col row gen cs angle opaque size t
;
2589 state.memused
<- state.memused
+ size
;
2590 state.uioh#infochanged Memused
;
2592 Queue.push
((l.pageno, gen
, cs
, angle
, l.pagew
, l.pageh
, col, row),
2593 opaque
, size
) state.tilelru
;
2596 match state.throttle
with
2597 | None
-> state.layout
2598 | Some
(layout, _, _) -> layout
2601 state.currently
<- Idle
;
2603 && conf.colorspace
= cs
2604 && conf.angle
= angle
2605 && tilevisible layout l.pageno x y
2606 then conttiling l.pageno pageopaque;
2608 begin match state.throttle
with
2610 preload state.layout;
2612 && conf.colorspace
= cs
2613 && conf.angle
= angle
2614 && tilevisible state.layout l.pageno x y
2615 && (not
!wtmode || layoutready state.layout)
2616 then G.postRedisplay "tile nothrottle";
2618 | Some
(layout, y, _) ->
2619 let ready = layoutready layout in
2623 state.layout <- layout;
2624 state.throttle
<- None
;
2625 G.postRedisplay "throttle";
2632 dolog
"Inconsistent tiling state";
2633 logcurrently state.currently
;
2637 | "pdim" :: args :: [] ->
2638 let (n, w, h, _) as pdim
=
2639 scan args "%u %u %u %u" (fun n w h x -> n, w, h, x)
2642 match conf.fitmodel
, conf.columns
with
2643 | (FitPage
| FitProportional
), Csplit
_ -> (n, w, h, 0)
2646 state.uioh#infochanged Pdim
;
2647 state.pdims
<- pdim :: state.pdims
2649 | "o" :: args :: [] ->
2650 let (l, n, t
, h, pos
) =
2651 scan args "%u %u %d %u %n"
2652 (fun l n t
h pos
-> l, n, t
, h, pos
)
2654 let s = String.sub
args pos
(String.length
args - pos
) in
2655 let outline = (s, l, (n, float t
/. float h, 0.0)) in
2656 begin match state.currently
with
2657 | Outlining outlines
->
2658 state.currently
<- Outlining
(outline :: outlines
)
2660 state.currently
<- Outlining
[outline]
2662 dolog
"invalid outlining state";
2663 logcurrently currently
2666 | "a" :: args :: [] ->
2668 scan args "%u %d %d" (fun n l t
-> n, l, t
)
2670 state.reprf
<- (fun () -> gotopagexy n (float l) (float t
))
2672 | "info" :: args :: [] ->
2673 state.docinfo
<- (1, args) :: state.docinfo
2675 | "infoend" :: [] ->
2676 state.uioh#infochanged Docinfo
;
2677 state.docinfo
<- List.rev
state.docinfo
2680 failwith
(Printf.sprintf
"unknown cmd `%S'" cmds
)
2685 let action = function
2686 | HCprev
-> cbget cb ~
-1
2687 | HCnext
-> cbget cb
1
2688 | HCfirst
-> cbget cb ~
-(cb
.rc)
2689 | HClast
-> cbget cb
(cb
.len - 1 - cb
.rc)
2690 and cancel
() = cb
.rc <- rc
2694 let search pattern forward
=
2695 match conf.columns
with
2697 showtext '
!'
"searching does not work properly in split columns mode"
2699 if String.length pattern
> 0
2702 match state.layout with
2705 l.pageno, (l.pagey + if forward
then 0 else 0*l.pagevh)
2707 wcmd "search %d %d %d %d,%s\000"
2708 (btod conf.icase
) pn py (btod forward
) pattern
;
2711 let intentry text key =
2713 if key >= 32 && key < 127
2719 let text = addchar text c in
2723 state.text <- Printf.sprintf
"invalid char (%d, `%c')" key c;
2727 let linknentry text key =
2729 if key >= 32 && key < 127
2735 let text = addchar text c in
2739 state.text <- Printf.sprintf
"invalid char (%d, `%c')" key c;
2744 if String.length
s > 0
2747 let l = String.length
s in
2748 let rec loop pos
n = if pos
= l then n else
2749 let m = Char.code
s.[pos
] - (if pos
= 0 && l > 1 then 96 else 97) in
2750 loop (pos
+1) (n*26 + m)
2753 let rec loop n = function
2756 match getopaque l.pageno with
2757 | None
-> loop n rest
2759 let m = getlinkcount opaque
in
2762 let under = getlink opaque
n in
2765 else loop (n-m) rest
2767 loop n state.layout;
2771 let textentry text key =
2772 if key land 0xff00 = 0xff00
2774 else TEcont
(text ^ toutf8
key)
2777 let reqlayout angle fitmodel
=
2778 match state.throttle
with
2780 if nogeomcmds state.geomcmds
2781 then state.anchor <- getanchor ();
2782 conf.angle
<- angle
mod 360;
2785 match state.mode
with
2786 | LinkNav
_ -> state.mode
<- View
2789 conf.fitmodel
<- fitmodel
;
2790 invalidate "reqlayout"
2792 wcmd "reqlayout %d %d" conf.angle
(int_of_fitmodel conf.fitmodel
)
2797 let settrim trimmargins trimfuzz
=
2798 if nogeomcmds state.geomcmds
2799 then state.anchor <- getanchor ();
2800 conf.trimmargins
<- trimmargins
;
2801 conf.trimfuzz
<- trimfuzz
;
2802 let x0, y0, x1, y1 = trimfuzz
in
2803 invalidate "settrim"
2805 wcmd "settrim %d %d %d %d %d" (btod conf.trimmargins
) x0 y0 x1 y1);
2810 match state.throttle
with
2812 let zoom = max
0.0001 zoom in
2813 if zoom <> conf.zoom
2815 state.prevzoom
<- conf.zoom;
2817 reshape state.winw
state.winh
;
2818 state.text <- Printf.sprintf
"zoom is now %-5.2f" (zoom *. 100.0);
2821 | Some
(layout, y, started
) ->
2823 match conf.maxwait
with
2827 let dt = now () -. started
in
2835 let setcolumns mode columns coverA coverB
=
2836 state.prevcolumns
<- Some
(conf.columns
, conf.zoom);
2840 then showtext '
!'
"split mode doesn't work in bird's eye"
2842 conf.columns
<- Csplit
(-columns
, [||]);
2850 conf.columns
<- Csingle
[||];
2855 conf.columns
<- Cmulti
((columns
, coverA
, coverB
), [||]);
2859 reshape state.winw
state.winh
;
2862 let enterbirdseye () =
2863 let zoom = float conf.thumbw
/. float state.winw
in
2864 let birdseyepageno =
2865 let cy = state.winh
/ 2 in
2869 let rec fold best
= function
2872 let d = cy - (l.pagedispy + l.pagevh/2)
2873 and dbest
= cy - (best
.pagedispy + best
.pagevh/2) in
2874 if abs
d < abs dbest
2881 state.mode
<- Birdseye
(
2882 { conf with zoom = conf.zoom }, state.x, birdseyepageno, -1, getanchor ()
2885 conf.presentation
<- false;
2886 conf.interpagespace
<- 10;
2887 conf.hlinks
<- false;
2888 conf.fitmodel
<- FitProportional
;
2890 state.mstate
<- Mnone
;
2891 conf.maxwait
<- None
;
2893 match conf.beyecolumns
with
2896 Cmulti
((c, 0, 0), [||])
2897 | None
-> Csingle
[||]
2899 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
2902 state.text <- Printf.sprintf
"birds eye mode on (zoom %3.1f%%)"
2907 reshape state.winw
state.winh
;
2910 let leavebirdseye (c, leftx
, pageno, _, anchor) goback
=
2912 conf.zoom <- c.zoom;
2913 conf.presentation
<- c.presentation
;
2914 conf.interpagespace
<- c.interpagespace
;
2915 conf.maxwait
<- c.maxwait
;
2916 conf.hlinks
<- c.hlinks
;
2917 conf.fitmodel
<- c.fitmodel
;
2918 conf.beyecolumns
<- (
2919 match conf.columns
with
2920 | Cmulti
((c, _, _), _) -> Some
c
2922 | Csplit
_ -> failwith
"leaving bird's eye split mode"
2925 match c.columns
with
2926 | Cmulti
(c, _) -> Cmulti
(c, [||])
2927 | Csingle
_ -> Csingle
[||]
2928 | Csplit
(c, _) -> Csplit
(c, [||])
2933 state.text <- Printf.sprintf
"birds eye mode off (zoom %3.1f%%)"
2936 reshape state.winw
state.winh
;
2937 state.anchor <- if goback
then anchor else (pageno, 0.0, 1.0);
2940 let togglebirdseye () =
2941 match state.mode
with
2942 | Birdseye vals
-> leavebirdseye vals
true
2943 | View
-> enterbirdseye ()
2947 let upbirdseye incr
(conf, leftx
, pageno, hooverpageno
, anchor) =
2948 let pageno = max
0 (pageno - incr
) in
2949 let rec loop = function
2950 | [] -> gotopage1 pageno 0
2951 | l :: _ when l.pageno = pageno ->
2952 if l.pagedispy >= 0 && l.pagey = 0
2953 then G.postRedisplay "upbirdseye"
2954 else gotopage1 pageno 0
2955 | _ :: rest
-> loop rest
2958 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor)
2961 let downbirdseye incr
(conf, leftx
, pageno, hooverpageno
, anchor) =
2962 let pageno = min
(state.pagecount
- 1) (pageno + incr
) in
2963 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor);
2964 let rec loop = function
2966 let y, h = getpageyh pageno in
2967 let dy = (y - state.y) - (state.winh
- h - conf.interpagespace
) in
2969 | l :: _ when l.pageno = pageno ->
2970 if l.pagevh != l.pageh
2971 then gotoy (clamp (l.pageh
- l.pagevh + conf.interpagespace
))
2972 else G.postRedisplay "downbirdseye"
2973 | _ :: rest
-> loop rest
2978 let optentry mode
_ key =
2979 let btos b = if b then "on" else "off" in
2980 if key >= 32 && key < 127
2982 let c = Char.chr
key in
2986 try conf.scrollstep
<- int_of_string
s with exc
->
2987 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
2989 TEswitch
("scroll step: ", "", None
, intentry, ondone, true)
2994 conf.autoscrollstep
<- int_of_string
s;
2995 if state.autoscroll
<> None
2996 then state.autoscroll
<- Some
conf.autoscrollstep
2998 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
3000 TEswitch
("auto scroll step: ", "", None
, intentry, ondone, true)
3005 let n, a, b = multicolumns_of_string s in
3006 setcolumns mode
n a b;
3008 state.text <- Printf.sprintf
"bad columns `%s': %s" s (exntos exc
)
3010 TEswitch
("columns: ", "", None
, textentry, ondone, true)
3015 let zoom = float (int_of_string
s) /. 100.0 in
3018 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
3020 TEswitch
("zoom: ", "", None
, intentry, ondone, true)
3025 conf.thumbw
<- bound (int_of_string
s) 2 4096;
3027 Printf.sprintf
"thumbnail width is set to %d" conf.thumbw
;
3028 begin match mode
with
3030 leavebirdseye beye
false;
3035 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
3037 TEswitch
("thumbnail width: ", "", None
, intentry, ondone, true)
3042 Some
(int_of_string
s)
3044 state.text <- Printf.sprintf
"bad integer `%s': %s"
3048 | Some angle
-> reqlayout angle
conf.fitmodel
3051 TEswitch
("rotation: ", "", None
, intentry, ondone, true)
3054 conf.icase
<- not
conf.icase
;
3055 TEdone
("case insensitive search " ^
(btos conf.icase
))
3058 conf.preload <- not
conf.preload;
3060 TEdone
("preload " ^
(btos conf.preload))
3063 conf.verbose
<- not
conf.verbose
;
3064 TEdone
("verbose " ^
(btos conf.verbose
))
3067 conf.debug
<- not
conf.debug
;
3068 TEdone
("debug " ^
(btos conf.debug
))
3071 conf.maxhfit
<- not
conf.maxhfit
;
3072 state.maxy
<- calcheight ();
3073 TEdone
("maxhfit " ^
(btos conf.maxhfit
))
3076 conf.crophack
<- not
conf.crophack
;
3077 TEdone
("crophack " ^
btos conf.crophack
)
3081 match conf.maxwait
with
3083 conf.maxwait
<- Some infinity
;
3084 "always wait for page to complete"
3086 conf.maxwait
<- None
;
3087 "show placeholder if page is not ready"
3092 conf.underinfo
<- not
conf.underinfo
;
3093 TEdone
("underinfo " ^
btos conf.underinfo
)
3096 conf.savebmarks
<- not
conf.savebmarks
;
3097 TEdone
("persistent bookmarks " ^
btos conf.savebmarks
)
3103 match state.layout with
3108 conf.interpagespace
<- int_of_string
s;
3109 docolumns conf.columns
;
3110 state.maxy
<- calcheight ();
3111 let y = getpagey pageno in
3114 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
)
3116 TEswitch
("vertical margin: ", "", None
, intentry, ondone, true)
3120 match conf.fitmodel
with
3121 | FitProportional
-> FitWidth
3122 | _ -> FitProportional
3124 reqlayout conf.angle
fm;
3125 TEdone
("proportional display " ^
btos (fm == FitProportional
))
3128 settrim (not
conf.trimmargins
) conf.trimfuzz
;
3129 TEdone
("trim margins " ^
btos conf.trimmargins
)
3132 conf.invert
<- not
conf.invert
;
3133 TEdone
("invert colors " ^
btos conf.invert
)
3137 cbput state.hists
.sel
s;
3140 TEswitch
("selection command: ", "", Some
(onhist state.hists
.sel
),
3141 textentry, ondone, true)
3144 state.text <- Printf.sprintf
"bad option %d `%c'" key c;
3150 class type lvsource
= object
3151 method getitemcount
: int
3152 method getitem
: int -> (string * int)
3153 method hasaction
: int -> bool
3162 method getactive
: int
3163 method getfirst
: int
3164 method getqsearch
: string
3165 method setqsearch
: string -> unit
3169 class virtual lvsourcebase
= object
3170 val mutable m_active
= 0
3171 val mutable m_first
= 0
3172 val mutable m_qsearch
= ""
3173 val mutable m_pan
= 0
3174 method getactive
= m_active
3175 method getfirst
= m_first
3176 method getqsearch
= m_qsearch
3177 method getpan
= m_pan
3178 method setqsearch
s = m_qsearch
<- s
3181 let withoutlastutf8 s =
3182 let len = String.length
s in
3190 let b = Char.code
s.[pos
] in
3191 if b land 0b11000000 = 0b11000000
3196 if Char.code
s.[len-1] land 0x80 = 0
3200 String.sub
s 0 first;
3203 let textentrykeyboard
3204 key _mask
((c, text, opthist
, onkey
, ondone, cancelonempty
), onleave
) =
3206 if key >= 0xffb0 && key <= 0xffb9
3207 then key - 0xffb0 + 48 else key
3210 state.mode
<- Textentry
(te
, onleave
);
3213 G.postRedisplay "textentrykeyboard enttext";
3215 let histaction cmd
=
3218 | Some
(action, _) ->
3219 state.mode
<- Textentry
(
3220 (c, action cmd
, opthist
, onkey
, ondone, cancelonempty
), onleave
3222 G.postRedisplay "textentry histaction"
3225 | 0xff08 -> (* backspace *)
3226 let s = withoutlastutf8 text in
3227 let len = String.length
s in
3228 if cancelonempty
&& len = 0
3231 G.postRedisplay "textentrykeyboard after cancel";
3234 enttext (c, s, opthist
, onkey
, ondone, cancelonempty
)
3237 | 0xff0d | 0xff8d -> (* (kp) enter *)
3240 G.postRedisplay "textentrykeyboard after confirm"
3242 | 0xff52 | 0xff97 -> histaction HCprev
(* (kp) up *)
3243 | 0xff54 | 0xff99 -> histaction HCnext
(* (kp) down *)
3244 | 0xff50 | 0xff95 -> histaction HCfirst
(* (kp) home) *)
3245 | 0xff57 | 0xff9c -> histaction HClast
(* (kp) end *)
3247 | 0xff1b -> (* escape*)
3248 if String.length
text = 0
3250 begin match opthist
with
3252 | Some
(_, onhistcancel
) -> onhistcancel
()
3256 G.postRedisplay "textentrykeyboard after cancel2"
3259 enttext (c, "", opthist
, onkey
, ondone, cancelonempty
)
3262 | 0xff9f | 0xffff -> () (* delete *)
3265 && key land 0xff00 != 0xff00 (* keyboard *)
3266 && key land 0xfe00 != 0xfe00 (* xkb *)
3267 && key land 0xfd00 != 0xfd00 (* 3270 *)
3269 begin match onkey
text key with
3273 G.postRedisplay "textentrykeyboard after confirm2";
3276 enttext (c, text, opthist
, onkey
, ondone, cancelonempty
);
3280 G.postRedisplay "textentrykeyboard after cancel3"
3283 state.mode
<- Textentry
(te
, onleave
);
3284 G.postRedisplay "textentrykeyboard switch";
3288 vlog "unhandled key %s" (Wsi.keyname
key)
3291 let firstof first active
=
3292 if first > active
|| abs
(first - active
) > fstate.maxrows
- 1
3293 then max
0 (active
- (fstate.maxrows
/2))
3297 let calcfirst first active
=
3300 let rows = active
- first in
3301 if rows > fstate.maxrows
then active
- fstate.maxrows
else first
3305 let scrollph y maxy
=
3306 let sh = float (maxy
+ state.winh
) /. float state.winh
in
3307 let sh = float state.winh
/. sh in
3308 let sh = max
sh (float conf.scrollh
) in
3310 let percent = float y /. float maxy
in
3311 let position = (float state.winh
-. sh) *. percent in
3314 if position +. sh > float state.winh
3315 then float state.winh
-. sh
3321 let coe s = (s :> uioh
);;
3323 class listview ~
(source
:lvsource
) ~trusted ~modehash
=
3325 val m_pan
= source#getpan
3326 val m_first
= source#getfirst
3327 val m_active
= source#getactive
3328 val m_qsearch
= source#getqsearch
3329 val m_prev_uioh
= state.uioh
3331 method private elemunder
y =
3332 let n = y / (fstate.fontsize
+1) in
3333 if m_first
+ n < source#getitemcount
3335 if source#hasaction
(m_first
+ n)
3336 then Some
(m_first
+ n)
3343 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
3344 GlDraw.color
(0., 0., 0.) ~alpha
:0.85;
3345 GlDraw.rect (0., 0.) (float state.winw
, float state.winh
);
3346 GlDraw.color
(1., 1., 1.);
3347 Gl.enable `texture_2d
;
3348 let fs = fstate.fontsize
in
3350 let ww = fstate.wwidth
in
3351 let tabw = 30.0*.ww in
3352 let itemcount = source#getitemcount
in
3354 if (row - m_first
) > fstate.maxrows
3357 if row >= 0 && row < itemcount
3359 let (s, level
) = source#getitem
row in
3360 let y = (row - m_first
) * nfs in
3361 let x = 5.0 +. float (level
+ m_pan
) *. ww in
3364 Gl.disable `texture_2d
;
3365 GlDraw.polygon_mode `both `line
;
3366 let alpha = if source#hasaction
row then 0.9 else 0.3 in
3367 GlDraw.color
(1., 1., 1.) ~
alpha;
3368 GlDraw.rect (1., float (y + 1))
3369 (float (state.winw
- conf.scrollbw
- 1), float (y + fs + 3));
3370 GlDraw.polygon_mode `both `fill
;
3371 GlDraw.color
(1., 1., 1.);
3372 Gl.enable `texture_2d
;
3375 let drawtabularstring s =
3376 let drawstr x s = drawstring1 fs (truncate
x) (y+nfs) s in
3379 let tabpos = try String.index
s '
\t'
with Not_found
-> -1 in
3382 let len = String.length
s - tabpos - 1 in
3383 let s1 = String.sub
s 0 tabpos
3384 and s2
= String.sub
s (tabpos + 1) len in
3385 let nx = drawstr x s1 in
3387 let x = x +. (max
tabw sw) in
3394 let _ = drawtabularstring s in
3401 Gl.disable `texture_2d
;
3403 method updownlevel incr
=
3404 let len = source#getitemcount
in
3406 if m_active
>= 0 && m_active
< len
3407 then snd
(source#getitem m_active
)
3411 if i
= len then i
-1 else if i
= -1 then 0 else
3412 let _, l = source#getitem i
in
3413 if l != curlevel then i
else flow (i
+incr
)
3415 let active = flow m_active
in
3416 let first = calcfirst m_first
active in
3417 G.postRedisplay "outline updownlevel";
3418 {< m_active
= active; m_first
= first >}
3420 method private key1
key mask
=
3421 let set1 active first qsearch
=
3422 coe {< m_active
= active; m_first
= first; m_qsearch
= qsearch
>}
3424 let search active pattern incr
=
3425 let active = if active = -1 then m_first
else active in
3428 if n >= 0 && n < source#getitemcount
3430 let s, _ = source#getitem
n in
3432 (try ignore
(Str.search_forward
re s 0); true
3433 with Not_found
-> false)
3435 else loop (n + incr
)
3442 let re = Str.regexp_case_fold pattern
in
3448 let itemcount = source#getitemcount
in
3449 let find start incr
=
3451 if i
= -1 || i
= itemcount
3454 if source#hasaction i
3456 else find (i
+ incr
)
3461 let set active first =
3462 let first = bound first 0 (itemcount - fstate.maxrows
) in
3464 coe {< m_active
= active; m_first
= first; m_qsearch
= "" >}
3467 let isvisible first n = n >= first && n - first <= fstate.maxrows
in
3469 let incr1 = if incr
> 0 then 1 else -1 in
3470 if isvisible m_first m_active
3473 let next = m_active
+ incr
in
3475 if next < 0 || next >= itemcount
3477 else find next incr1
3479 if abs
(m_active
- next) > fstate.maxrows
3485 let first = m_first
+ incr
in
3486 let first = bound first 0 (itemcount - 1) in
3488 let next = m_active
+ incr
in
3489 let next = bound next 0 (itemcount - 1) in
3496 if isvisible first next
3503 let first = min
next m_first
in
3505 if abs
(next - first) > fstate.maxrows
3511 let first = m_first
+ incr
in
3512 let first = bound first 0 (itemcount - 1) in
3514 let next = m_active
+ incr
in
3515 let next = bound next 0 (itemcount - 1) in
3516 let next = find next incr1 in
3518 if next = -1 || abs
(m_active
- first) > fstate.maxrows
3520 let active = if m_active
= -1 then next else m_active
in
3525 if isvisible first active
3531 G.postRedisplay "listview navigate";
3535 | (0x72|0x73) when Wsi.withctrl mask
-> (* ctrl-r/ctlr-s *)
3536 let incr = if key = 0x72 then -1 else 1 in
3538 match search (m_active
+ incr) m_qsearch
incr with
3540 state.text <- m_qsearch ^
" [not found]";
3543 state.text <- m_qsearch
;
3544 active, firstof m_first
active
3546 G.postRedisplay "listview ctrl-r/s";
3547 set1 active first m_qsearch
;
3549 | 0xff63 when Wsi.withctrl mask
-> (* ctrl-insert *)
3550 if m_active
>= 0 && m_active
< source#getitemcount
3552 let s, _ = source#getitem m_active
in
3557 | 0xff08 -> (* backspace *)
3558 if String.length m_qsearch
= 0
3561 let qsearch = withoutlastutf8 m_qsearch
in
3562 let len = String.length
qsearch in
3566 G.postRedisplay "listview empty qsearch";
3567 set1 m_active m_first
"";
3571 match search m_active
qsearch ~
-1 with
3573 state.text <- qsearch ^
" [not found]";
3576 state.text <- qsearch;
3577 active, firstof m_first
active
3579 G.postRedisplay "listview backspace qsearch";
3580 set1 active first qsearch
3583 | key when (key != 0 && key land 0xff00 != 0xff00) ->
3584 let pattern = m_qsearch ^ toutf8
key in
3586 match search m_active
pattern 1 with
3588 state.text <- pattern ^
" [not found]";
3591 state.text <- pattern;
3592 active, firstof m_first
active
3594 G.postRedisplay "listview qsearch add";
3595 set1 active first pattern;
3597 | 0xff1b -> (* escape *)
3599 if String.length m_qsearch
= 0
3601 G.postRedisplay "list view escape";
3604 source#exit
(coe self
) true m_active m_first m_pan m_qsearch
3606 | None
-> m_prev_uioh
3611 G.postRedisplay "list view kill qsearch";
3612 source#setqsearch
"";
3613 coe {< m_qsearch
= "" >}
3616 | 0xff0d | 0xff8d -> (* (kp) enter *)
3618 let self = {< m_qsearch
= "" >} in
3619 source#setqsearch
"";
3621 G.postRedisplay "listview enter";
3622 if m_active
>= 0 && m_active
< source#getitemcount
3624 source#exit
(coe self) false m_active m_first m_pan
"";
3627 source#exit
(coe self) true m_active m_first m_pan
"";
3630 begin match opt with
3631 | None
-> m_prev_uioh
3635 | 0xff9f | 0xffff -> (* (kp) delete *)
3638 | 0xff52 | 0xff97 -> navigate ~
-1 (* (kp) up *)
3639 | 0xff54 | 0xff99 -> navigate 1 (* (kp) down *)
3640 | 0xff55 | 0xff9a -> navigate ~
-(fstate.maxrows
) (* (kp) prior *)
3641 | 0xff56 | 0xff9b -> navigate fstate.maxrows
(* (kp) next *)
3643 | 0xff53 | 0xff98 -> (* (kp) right *)
3645 G.postRedisplay "listview right";
3646 coe {< m_pan
= m_pan
- 1 >}
3648 | 0xff51 | 0xff96 -> (* (kp) left *)
3650 G.postRedisplay "listview left";
3651 coe {< m_pan
= m_pan
+ 1 >}
3653 | 0xff50 | 0xff95 -> (* (kp) home *)
3654 let active = find 0 1 in
3655 G.postRedisplay "listview home";
3658 | 0xff57 | 0xff9c -> (* (kp) end *)
3659 let first = max
0 (itemcount - fstate.maxrows
) in
3660 let active = find (itemcount - 1) ~
-1 in
3661 G.postRedisplay "listview end";
3664 | key when (key = 0 || key land 0xff00 = 0xff00) ->
3668 dolog
"listview unknown key %#x" key; coe self
3670 method key key mask
=
3671 match state.mode
with
3672 | Textentry te
-> textentrykeyboard key mask te
; coe self
3673 | _ -> self#key1
key mask
3675 method button button down
x y _ =
3678 | 1 when x > state.winw
- conf.scrollbw
->
3679 G.postRedisplay "listview scroll";
3682 let _, position, sh = self#
scrollph in
3683 if y > truncate
position && y < truncate
(position +. sh)
3685 state.mstate
<- Mscrolly
;
3689 let s = float (max
0 (y - conf.scrollh
)) /. float state.winh
in
3690 let first = truncate
(s *. float source#getitemcount
) in
3691 let first = min source#getitemcount
first in
3692 Some
(coe {< m_first
= first; m_active
= first >})
3694 state.mstate
<- Mnone
;
3697 | 1 when not down
->
3698 begin match self#elemunder
y with
3700 G.postRedisplay "listview click";
3702 (coe {< m_active
= n >}) false n m_first m_pan m_qsearch
3706 | n when (n == 4 || n == 5) && not down
->
3707 let len = source#getitemcount
in
3709 if n = 5 && m_first
+ fstate.maxrows
>= len
3713 let first = m_first
+ (if n == 4 then -1 else 1) in
3714 bound first 0 (len - 1)
3716 G.postRedisplay "listview wheel";
3717 Some
(coe {< m_first
= first >})
3718 | n when (n = 6 || n = 7) && not down
->
3719 let inc = m_first
+ (if n = 7 then -1 else 1) in
3720 G.postRedisplay "listview hwheel";
3721 Some
(coe {< m_pan
= m_pan
+ inc >})
3726 | None
-> m_prev_uioh
3730 match state.mstate
with
3732 let s = float (max
0 (y - conf.scrollh
)) /. float state.winh
in
3733 let first = truncate
(s *. float source#getitemcount
) in
3734 let first = min source#getitemcount
first in
3735 G.postRedisplay "listview motion";
3736 coe {< m_first
= first; m_active
= first >}
3739 method pmotion
x y =
3740 if x < state.winw
- conf.scrollbw
3743 match self#elemunder
y with
3744 | None
-> Wsi.setcursor
Wsi.CURSOR_INHERIT
; m_active
3745 | Some
n -> Wsi.setcursor
Wsi.CURSOR_INFO
; n
3749 then (G.postRedisplay "listview pmotion"; {< m_active
= n >})
3754 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
3758 method infochanged
_ = ()
3760 method scrollpw
= (0, 0.0, 0.0)
3762 let nfs = fstate.fontsize
+ 1 in
3763 let y = m_first
* nfs in
3764 let itemcount = source#getitemcount
in
3765 let maxi = max
0 (itemcount - fstate.maxrows
) in
3766 let maxy = maxi * nfs in
3767 let p, h = scrollph y maxy in
3770 method modehash
= modehash
3771 method eformsgs
= false
3774 class outlinelistview ~source
=
3777 ~source
:(source
:> lvsource
)
3779 ~modehash
:(findkeyhash conf "outline")
3782 method key key mask
=
3783 let calcfirst first active =
3786 let rows = active - first in
3788 if String.length
state.text = 0
3790 else fstate.maxrows - 2
3792 if rows > maxrows then active - maxrows else first
3796 let active = m_active
+ incr in
3797 let active = bound active 0 (source#getitemcount
- 1) in
3798 let first = calcfirst m_first
active in
3799 G.postRedisplay "outline navigate";
3800 coe {< m_active
= active; m_first
= first >}
3802 let ctrl = Wsi.withctrl mask
in
3804 | 110 when ctrl -> (* ctrl-n *)
3805 source#narrow m_qsearch
;
3806 G.postRedisplay "outline ctrl-n";
3807 coe {< m_first
= 0; m_active
= 0 >}
3809 | 117 when ctrl -> (* ctrl-u *)
3811 G.postRedisplay "outline ctrl-u";
3813 coe {< m_first
= 0; m_active
= 0 >}
3815 | 108 when ctrl -> (* ctrl-l *)
3816 let first = max
0 (m_active
- (fstate.maxrows / 2)) in
3817 G.postRedisplay "outline ctrl-l";
3818 coe {< m_first
= first >}
3820 | 0xff9f | 0xffff -> (* (kp) delete *)
3821 source#remove m_active
;
3822 G.postRedisplay "outline delete";
3823 let active = max
0 (m_active
-1) in
3824 coe {< m_first
= firstof m_first
active;
3825 m_active
= active >}
3827 | 0xff52 | 0xff97 -> navigate ~
-1 (* (kp) up *)
3828 | 0xff54 | 0xff99 -> navigate 1 (* (kp) down *)
3829 | 0xff55 | 0xff9a -> (* (kp) prior *)
3830 navigate ~
-(fstate.maxrows)
3831 | 0xff56 | 0xff9b -> (* (kp) next *)
3832 navigate fstate.maxrows
3834 | 0xff53 | 0xff98 -> (* [ctrl-] (kp) right *)
3838 G.postRedisplay "outline ctrl right";
3839 {< m_pan
= m_pan
+ 1 >}
3841 else self#updownlevel
1
3845 | 0xff51 | 0xff96 -> (* [ctrl-] (kp) left *)
3849 G.postRedisplay "outline ctrl left";
3850 {< m_pan
= m_pan
- 1 >}
3852 else self#updownlevel ~
-1
3856 | 0xff50 | 0xff95 -> (* (kp) home *)
3857 G.postRedisplay "outline home";
3858 coe {< m_first
= 0; m_active
= 0 >}
3860 | 0xff57 | 0xff9c -> (* (kp) end *)
3861 let active = source#getitemcount
- 1 in
3862 let first = max
0 (active - fstate.maxrows) in
3863 G.postRedisplay "outline end";
3864 coe {< m_active
= active; m_first
= first >}
3866 | _ -> super#
key key mask
3869 let outlinesource usebookmarks
=
3872 inherit lvsourcebase
3873 val mutable m_items
= empty
3874 val mutable m_orig_items
= empty
3875 val mutable m_prev_items
= empty
3876 val mutable m_narrow_pattern
= ""
3877 val mutable m_hadremovals
= false
3879 method getitemcount
=
3880 Array.length m_items
+ (if m_hadremovals
then 1 else 0)
3883 if n == Array.length m_items
&& m_hadremovals
3885 ("[Confirm removal]", 0)
3887 let s, n, _ = m_items
.(n) in
3890 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
3891 ignore
(uioh
, first, qsearch);
3892 let confrimremoval = m_hadremovals
&& active = Array.length m_items
in
3894 if String.length m_narrow_pattern
= 0
3900 if not
confrimremoval
3902 let _, _, anchor = m_items
.(active) in
3903 gotoghyll (getanchory anchor);
3907 state.bookmarks
<- Array.to_list m_items
;
3908 m_orig_items
<- m_items
;
3911 else m_items
<- items;
3915 method hasaction
_ = true
3918 if Array.length m_items
!= Array.length m_orig_items
3919 then "Narrowed to " ^ m_narrow_pattern ^
" (ctrl-u to restore)"
3922 method narrow
pattern =
3923 let reopt = try Some
(Str.regexp_case_fold
pattern) with _ -> None
in
3927 let rec loop accu n =
3930 m_narrow_pattern
<- pattern;
3931 m_items
<- Array.of_list
accu
3934 let (s, _, _) as o = m_items
.(n) in
3936 if (try ignore
(Str.search_forward
re s 0); true
3937 with Not_found
-> false)
3943 loop [] (Array.length m_items
- 1)
3948 then Array.of_list
state.bookmarks
3951 m_items
<- m_orig_items
3956 if m >= 0 && m < Array.length m_items
3958 m_hadremovals
<- true;
3959 m_items
<- Array.init
(Array.length m_items
- 1) (fun n ->
3960 let n = if n >= m then n+1 else n in
3965 method reset
anchor items =
3966 m_hadremovals
<- false;
3967 if m_orig_items
== empty || m_prev_items
!= items
3969 m_orig_items
<- items;
3970 if String.length m_narrow_pattern
= 0
3971 then m_items
<- items;
3973 m_prev_items
<- items;
3974 let rely = getanchory anchor in
3976 let rec loop n best bestd
=
3977 if n = Array.length m_items
3980 let (_, _, anchor) = m_items
.(n) in
3981 let orely = getanchory anchor in
3982 let d = abs
(orely - rely) in
3985 else loop (n+1) best bestd
3990 m_first
<- firstof m_first
active
3994 let enterselector usebookmarks
=
3995 let source = outlinesource usebookmarks
in
3999 then Array.of_list
state.bookmarks
4002 if Array.length
outlines = 0
4004 showtext ' ' errmsg
;
4007 state.text <- source#greetmsg
;
4008 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
4009 let anchor = getanchor () in
4010 source#reset
anchor outlines;
4011 state.uioh
<- coe (new outlinelistview ~
source);
4012 G.postRedisplay "enter selector";
4016 let enteroutlinemode =
4017 let f = enterselector false in
4018 fun ()-> f "Document has no outline";
4021 let enterbookmarkmode =
4022 let f = enterselector true in
4023 fun () -> f "Document has no bookmarks (yet)";
4026 let color_of_string s =
4027 Scanf.sscanf
s "%d/%d/%d" (fun r g b ->
4028 (float r /. 256.0, float g /. 256.0, float b /. 256.0)
4032 let color_to_string (r, g, b) =
4033 let r = truncate
(r *. 256.0)
4034 and g = truncate
(g *. 256.0)
4035 and b = truncate
(b *. 256.0) in
4036 Printf.sprintf
"%d/%d/%d" r g b
4039 let irect_of_string s =
4040 Scanf.sscanf
s "%d/%d/%d/%d" (fun x0 y0 x1 y1 -> (x0,y0,x1,y1))
4043 let irect_to_string (x0,y0,x1,y1) =
4044 Printf.sprintf
"%d/%d/%d/%d" x0 y0 x1 y1
4047 let makecheckers () =
4048 (* Based on lablGL-1.04/LablGlut/examples/lablGL/checker.ml which had
4050 converted by Issac Trotts. July 25, 2002 *)
4051 let image = GlPix.create `ubyte ~format
:`luminance ~width
:2 ~height
:2 in
4052 Raw.sets_string
(GlPix.to_raw
image) ~pos
:0 "\255\200\200\255";
4053 let id = GlTex.gen_texture
() in
4054 GlTex.bind_texture `texture_2d
id;
4055 GlPix.store
(`unpack_alignment
1);
4056 GlTex.image2d
image;
4057 List.iter
(GlTex.parameter ~target
:`texture_2d
)
4058 [ `mag_filter `nearest
; `min_filter `nearest
];
4062 let setcheckers enabled
=
4063 match state.texid
with
4065 if enabled
then state.texid
<- Some
(makecheckers ())
4070 GlTex.delete_texture texid
;
4071 state.texid
<- None
;
4075 let int_of_string_with_suffix s =
4076 let l = String.length
s in
4080 let suffix = Char.lowercase
s.[l-1] in
4082 | 'k'
-> String.sub
s 0 (l-1), 10
4083 | '
m'
-> String.sub
s 0 (l-1), 20
4084 | '
g'
-> String.sub
s 0 (l-1), 30
4088 let n = int_of_string
s1 in
4089 let m = n lsl shift
in
4091 then raise
(Failure
"value too large")
4095 let string_with_suffix_of_int n =
4100 if n land ((1 lsl 30) - 1) = 0
4103 if n land ((1 lsl 20) - 1) = 0
4106 if n land ((1 lsl 10) - 1) = 0
4113 let h = n mod 1000 in
4116 then string_of_int
h ^
s
4118 let s = Printf.sprintf
"_%03d%s" h s in
4125 let defghyllscroll = (40, 8, 32);;
4126 let ghyllscroll_of_string s =
4127 let (n, a, b) as nab
=
4130 else Scanf.sscanf
s "%u,%u,%u" (fun n a b -> n, a, b)
4132 if n <= a || n <= b || a >= b
4133 then failwith
"invalid ghyll N,A,B (N <= A, A < B, N <= B)";
4137 let ghyllscroll_to_string ((n, a, b) as nab
) =
4138 if nab
= defghyllscroll
4140 else Printf.sprintf
"%d,%d,%d" n a b;
4143 let describe_location () =
4144 let fn = page_of_y state.y in
4145 let ln = page_of_y (state.y + state.winh
- state.hscrollh - 1) in
4146 let maxy = state.maxy - (if conf.maxhfit
then state.winh
else 0) in
4150 else (100. *. (float state.y /. float maxy))
4154 Printf.sprintf
"page %d of %d [%.2f%%]"
4155 (fn+1) state.pagecount
percent
4158 "pages %d-%d of %d [%.2f%%]"
4159 (fn+1) (ln+1) state.pagecount
percent
4162 let setpresentationmode v
=
4163 let n = page_of_y state.y in
4164 state.anchor <- (n, 0.0, 1.0);
4165 conf.presentation
<- v
;
4166 if conf.presentation
4168 if not
conf.scrollbarinpm
4169 then state.scrollw
<- 0;
4171 else state.scrollw
<- conf.scrollbw
;
4176 let btos b = if b then "\xe2\x88\x9a" else "" in
4177 let showextended = ref false in
4178 let leave mode
= function
4179 | Confirm
-> state.mode
<- mode
4180 | Cancel
-> state.mode
<- mode
in
4183 val mutable m_first_time
= true
4184 val mutable m_l
= []
4185 val mutable m_a
= [||]
4186 val mutable m_prev_uioh
= nouioh
4187 val mutable m_prev_mode
= View
4189 inherit lvsourcebase
4191 method reset prev_mode prev_uioh
=
4192 m_a
<- Array.of_list
(List.rev m_l
);
4194 m_prev_mode
<- prev_mode
;
4195 m_prev_uioh
<- prev_uioh
;
4199 if n >= Array.length m_a
4203 | _, _, _, Action
_ -> m_active
<- n
4207 m_first_time
<- false;
4210 method int name get
set =
4212 (name
, `
int get
, 1, Action
(
4215 try set (int_of_string
s)
4217 state.text <- Printf.sprintf
"bad integer `%s': %s"
4221 let te = name ^
": ", "", None
, intentry, ondone, true in
4222 state.mode
<- Textentry
(te, leave m_prev_mode
);
4226 method int_with_suffix name get
set =
4228 (name
, `intws get
, 1, Action
(
4231 try set (int_of_string_with_suffix s)
4233 state.text <- Printf.sprintf
"bad integer `%s': %s"
4238 name ^
": ", "", None
, intentry_with_suffix, ondone, true
4240 state.mode
<- Textentry
(te, leave m_prev_mode
);
4244 method bool ?
(offset
=1) ?
(btos=btos) name get
set =
4246 (name
, `
bool (btos, get
), offset
, Action
(
4253 method color name get
set =
4255 (name
, `color get
, 1, Action
(
4257 let invalid = (nan
, nan
, nan
) in
4260 try color_of_string s
4262 state.text <- Printf.sprintf
"bad color `%s': %s"
4269 let te = name ^
": ", "", None
, textentry, ondone, true in
4270 state.text <- color_to_string (get
());
4271 state.mode
<- Textentry
(te, leave m_prev_mode
);
4275 method string name get
set =
4277 (name
, `
string get
, 1, Action
(
4279 let ondone s = set s in
4280 let te = name ^
": ", "", None
, textentry, ondone, true in
4281 state.mode
<- Textentry
(te, leave m_prev_mode
);
4285 method colorspace name get
set =
4287 (name
, `
string get
, 1, Action
(
4290 let vals = [| "rgb"; "bgr"; "gray" |] in
4292 inherit lvsourcebase
4295 m_active
<- int_of_colorspace conf.colorspace
;
4298 method getitemcount
= Array.length
vals
4299 method getitem
n = (vals.(n), 0)
4300 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4301 ignore
(uioh
, first, pan
, qsearch);
4302 if not cancel
then set active;
4304 method hasaction
_ = true
4308 let modehash = findkeyhash conf "info" in
4309 coe (new listview ~
source ~trusted
:true ~
modehash)
4312 method fitmodel name get
set =
4314 (name
, `
string get
, 1, Action
(
4317 let vals = [| "fit width"; "proportional"; "fit page" |] in
4319 inherit lvsourcebase
4322 m_active
<- int_of_fitmodel conf.fitmodel
;
4325 method getitemcount
= Array.length
vals
4326 method getitem
n = (vals.(n), 0)
4327 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4328 ignore
(uioh
, first, pan
, qsearch);
4329 if not cancel
then set active;
4331 method hasaction
_ = true
4335 let modehash = findkeyhash conf "info" in
4336 coe (new listview ~
source ~trusted
:true ~
modehash)
4339 method caption
s offset
=
4340 m_l
<- (s, `
empty, offset
, Noaction
) :: m_l
4342 method caption2
s f offset
=
4343 m_l
<- (s, `
string f, offset
, Noaction
) :: m_l
4345 method getitemcount
= Array.length m_a
4348 let tostr = function
4349 | `
int f -> string_of_int
(f ())
4350 | `intws
f -> string_with_suffix_of_int (f ())
4352 | `color
f -> color_to_string (f ())
4353 | `
bool (btos, f) -> btos (f ())
4356 let name, t
, offset
, _ = m_a
.(n) in
4357 ((let s = tostr t
in
4358 if String.length
s > 0
4359 then Printf.sprintf
"%s\t%s" name s
4363 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4367 m_qsearch
<- qsearch;
4369 match m_a
.(active) with
4370 | _, _, _, Action
f -> f uioh
4382 method hasaction
n =
4384 | _, _, _, Action
_ -> true
4388 let rec fillsrc prevmode prevuioh
=
4389 let sep () = src#caption
"" 0 in
4390 let colorp name get
set =
4392 (fun () -> color_to_string (get
()))
4395 let c = color_of_string v in
4398 state.text <- Printf.sprintf
"bad color `%s': %s" v (exntos exn
)
4401 let oldmode = state.mode
in
4402 let birdseye = isbirdseye state.mode
in
4404 src#caption
(if birdseye then "Setup (Bird's eye)" else "Setup") 0;
4406 src#
bool "presentation mode"
4407 (fun () -> conf.presentation
)
4408 (fun v -> setpresentationmode v);
4410 src#
bool "ignore case in searches"
4411 (fun () -> conf.icase
)
4412 (fun v -> conf.icase
<- v);
4415 (fun () -> conf.preload)
4416 (fun v -> conf.preload <- v);
4418 src#
bool "highlight links"
4419 (fun () -> conf.hlinks
)
4420 (fun v -> conf.hlinks
<- v);
4422 src#
bool "under info"
4423 (fun () -> conf.underinfo
)
4424 (fun v -> conf.underinfo
<- v);
4426 src#
bool "persistent bookmarks"
4427 (fun () -> conf.savebmarks
)
4428 (fun v -> conf.savebmarks
<- v);
4430 src#fitmodel
"fit model"
4431 (fun () -> fitmodel_to_string conf.fitmodel
)
4432 (fun v -> reqlayout conf.angle
(fitmodel_of_int v));
4434 src#
bool "trim margins"
4435 (fun () -> conf.trimmargins
)
4436 (fun v -> settrim v conf.trimfuzz
; fillsrc prevmode prevuioh
);
4438 src#
bool "persistent location"
4439 (fun () -> conf.jumpback
)
4440 (fun v -> conf.jumpback
<- v);
4443 src#
int "inter-page space"
4444 (fun () -> conf.interpagespace
)
4446 conf.interpagespace
<- n;
4447 docolumns conf.columns
;
4449 match state.layout with
4454 state.maxy <- calcheight ();
4455 let y = getpagey pageno in
4460 (fun () -> conf.pagebias
)
4461 (fun v -> conf.pagebias
<- v);
4463 src#
int "scroll step"
4464 (fun () -> conf.scrollstep
)
4465 (fun n -> conf.scrollstep
<- n);
4467 src#
int "horizontal scroll step"
4468 (fun () -> conf.hscrollstep
)
4469 (fun v -> conf.hscrollstep
<- v);
4471 src#
int "auto scroll step"
4473 match state.autoscroll
with
4475 | _ -> conf.autoscrollstep
)
4477 if state.autoscroll
<> None
4478 then state.autoscroll
<- Some
n;
4479 conf.autoscrollstep
<- n);
4482 (fun () -> truncate
(conf.zoom *. 100.))
4483 (fun v -> setzoom ((float v) /. 100.));
4486 (fun () -> conf.angle
)
4487 (fun v -> reqlayout v conf.fitmodel
);
4489 src#
int "scroll bar width"
4490 (fun () -> state.scrollw
)
4494 reshape state.winw
state.winh
;
4497 src#
int "scroll handle height"
4498 (fun () -> conf.scrollh
)
4499 (fun v -> conf.scrollh
<- v;);
4501 src#
int "thumbnail width"
4502 (fun () -> conf.thumbw
)
4504 conf.thumbw
<- min
4096 v;
4507 leavebirdseye beye
false;
4512 let mode = state.mode in
4513 src#
string "columns"
4515 match conf.columns
with
4517 | Cmulti
(multi
, _) -> multicolumns_to_string multi
4518 | Csplit
(count
, _) -> "-" ^ string_of_int count
4521 let n, a, b = multicolumns_of_string v in
4522 setcolumns mode n a b);
4525 src#caption
"Presentation mode" 0;
4526 src#
bool "scrollbar visible"
4527 (fun () -> conf.scrollbarinpm
)
4529 if v != conf.scrollbarinpm
4531 conf.scrollbarinpm
<- v;
4532 if conf.presentation
4534 state.scrollw
<- if v then conf.scrollbw
else 0;
4535 reshape state.winw
state.winh
;
4541 src#caption
"Pixmap cache" 0;
4542 src#int_with_suffix
"size (advisory)"
4543 (fun () -> conf.memlimit
)
4544 (fun v -> conf.memlimit
<- v);
4547 (fun () -> Printf.sprintf
"%s bytes, %d tiles"
4548 (string_with_suffix_of_int state.memused
)
4549 (Hashtbl.length
state.tilemap
)) 1;
4552 src#caption
"Layout" 0;
4553 src#caption2
"Dimension"
4555 Printf.sprintf
"%dx%d (virtual %dx%d)"
4556 state.winw
state.winh
4561 src#caption2
"Position" (fun () ->
4562 Printf.sprintf
"%dx%d" state.x state.y
4565 src#caption2
"Position" (fun () -> describe_location ()) 1
4569 src#
bool ~offset
:0 ~
btos:(fun v -> if v then "(on)" else "(off)")
4570 "Save these parameters as global defaults at exit"
4571 (fun () -> conf.bedefault
)
4572 (fun v -> conf.bedefault
<- v)
4576 let btos b = if b then "\xc2\xab" else "\xc2\xbb" in
4577 src#
bool ~offset
:0 ~
btos "Extended parameters"
4578 (fun () -> !showextended)
4579 (fun v -> showextended := v; fillsrc prevmode prevuioh
);
4583 (fun () -> conf.checkers
)
4584 (fun v -> conf.checkers
<- v; setcheckers v);
4585 src#
bool "update cursor"
4586 (fun () -> conf.updatecurs
)
4587 (fun v -> conf.updatecurs
<- v);
4589 (fun () -> conf.verbose
)
4590 (fun v -> conf.verbose
<- v);
4591 src#
bool "invert colors"
4592 (fun () -> conf.invert
)
4593 (fun v -> conf.invert
<- v);
4595 (fun () -> conf.maxhfit
)
4596 (fun v -> conf.maxhfit
<- v);
4597 src#
bool "redirect stderr"
4598 (fun () -> conf.redirectstderr)
4599 (fun v -> conf.redirectstderr <- v; redirectstderr ());
4600 src#
string "uri launcher"
4601 (fun () -> conf.urilauncher
)
4602 (fun v -> conf.urilauncher
<- v);
4603 src#
string "path launcher"
4604 (fun () -> conf.pathlauncher
)
4605 (fun v -> conf.pathlauncher
<- v);
4606 src#
string "tile size"
4607 (fun () -> Printf.sprintf
"%dx%d" conf.tilew
conf.tileh
)
4610 let w, h = Scanf.sscanf
v "%dx%d" (fun w h -> w, h) in
4611 conf.tilew
<- max
64 w;
4612 conf.tileh
<- max
64 h;
4615 state.text <- Printf.sprintf
"bad tile size `%s': %s"
4618 src#
int "texture count"
4619 (fun () -> conf.texcount
)
4622 then conf.texcount
<- v
4623 else showtext '
!'
" Failed to set texture count please retry later"
4625 src#
int "slice height"
4626 (fun () -> conf.sliceheight
)
4628 conf.sliceheight
<- v;
4629 wcmd "sliceh %d" conf.sliceheight
;
4631 src#
int "anti-aliasing level"
4632 (fun () -> conf.aalevel
)
4634 conf.aalevel
<- bound v 0 8;
4635 state.anchor <- getanchor ();
4636 opendoc state.path
state.password
;
4638 src#
string "page scroll scaling factor"
4639 (fun () -> string_of_float
conf.pgscale)
4642 let s = float_of_string
v in
4645 state.text <- Printf.sprintf
4646 "bad page scroll scaling factor `%s': %s" v (exntos exn
)
4649 src#
int "ui font size"
4650 (fun () -> fstate.fontsize
)
4651 (fun v -> setfontsize (bound v 5 100));
4652 src#
int "hint font size"
4653 (fun () -> conf.hfsize
)
4654 (fun v -> conf.hfsize
<- bound v 5 100);
4655 colorp "background color"
4656 (fun () -> conf.bgcolor
)
4657 (fun v -> conf.bgcolor
<- v);
4658 src#
bool "crop hack"
4659 (fun () -> conf.crophack
)
4660 (fun v -> conf.crophack
<- v);
4661 src#
string "trim fuzz"
4662 (fun () -> irect_to_string conf.trimfuzz
)
4665 conf.trimfuzz
<- irect_of_string v;
4667 then settrim true conf.trimfuzz
;
4669 state.text <- Printf.sprintf
"bad irect `%s': %s" v (exntos exn
)
4671 src#
string "throttle"
4673 match conf.maxwait
with
4674 | None
-> "show place holder if page is not ready"
4677 then "wait for page to fully render"
4679 "wait " ^ string_of_float
time
4680 ^
" seconds before showing placeholder"
4684 let f = float_of_string
v in
4686 then conf.maxwait
<- None
4687 else conf.maxwait
<- Some
f
4689 state.text <- Printf.sprintf
"bad time `%s': %s" v (exntos exn
)
4691 src#
string "ghyll scroll"
4693 match conf.ghyllscroll
with
4695 | Some nab
-> ghyllscroll_to_string nab
4700 if String.length
v = 0
4702 else Some
(ghyllscroll_of_string v)
4704 conf.ghyllscroll
<- gs
4706 state.text <- Printf.sprintf
"bad ghyll `%s': %s" v (exntos exn
)
4708 src#
string "selection command"
4709 (fun () -> conf.selcmd
)
4710 (fun v -> conf.selcmd
<- v);
4711 src#
string "synctex command"
4712 (fun () -> conf.stcmd
)
4713 (fun v -> conf.stcmd
<- v);
4714 src#colorspace
"color space"
4715 (fun () -> colorspace_to_string conf.colorspace
)
4717 conf.colorspace
<- colorspace_of_int v;
4724 (fun () -> conf.usepbo
)
4725 (fun v -> conf.usepbo
<- v);
4726 src#
bool "mouse wheel scrolls pages"
4727 (fun () -> conf.wheelbypage
)
4728 (fun v -> conf.wheelbypage
<- v);
4732 src#caption
"Document" 0;
4733 List.iter
(fun (_, s) -> src#caption
s 1) state.docinfo
;
4734 src#caption2
"Pages"
4735 (fun () -> string_of_int
state.pagecount
) 1;
4736 src#caption2
"Dimensions"
4737 (fun () -> string_of_int
(List.length
state.pdims
)) 1;
4741 src#caption
"Trimmed margins" 0;
4742 src#caption2
"Dimensions"
4743 (fun () -> string_of_int
(List.length
state.pdims
)) 1;
4747 src#caption
"OpenGL" 0;
4748 src#caption
(Printf.sprintf
"Vendor\t%s" (GlMisc.get_string `vendor
)) 1;
4749 src#caption
(Printf.sprintf
"Renderer\t%s" (GlMisc.get_string `renderer
)) 1;
4752 src#caption
"Location" 0;
4753 if String.length
state.origin
> 0
4754 then src#caption
("Orign\t" ^ mbtoutf8
state.origin
) 1;
4755 src#caption
("Path\t" ^ mbtoutf8
state.path
) 1;
4757 src#reset prevmode prevuioh
;
4761 let prevmode = state.mode
4762 and prevuioh
= state.uioh in
4763 fillsrc prevmode prevuioh
;
4764 let source = (src :> lvsource
) in
4765 let modehash = findkeyhash conf "info" in
4766 state.uioh <- coe (object (self)
4767 inherit listview ~
source ~trusted
:true ~
modehash as super
4768 val mutable m_prevmemused
= 0
4769 method infochanged
= function
4771 if m_prevmemused
!= state.memused
4773 m_prevmemused
<- state.memused
;
4774 G.postRedisplay "memusedchanged";
4776 | Pdim
-> G.postRedisplay "pdimchanged"
4777 | Docinfo
-> fillsrc prevmode prevuioh
4779 method key key mask
=
4780 if not
(Wsi.withctrl mask
)
4783 | 0xff51 | 0xff96 -> coe (self#updownlevel ~
-1) (* (kp) left *)
4784 | 0xff53 | 0xff98 -> coe (self#updownlevel
1) (* (kp) right *)
4785 | _ -> super#
key key mask
4786 else super#
key key mask
4788 G.postRedisplay "info";
4794 inherit lvsourcebase
4795 method getitemcount
= Array.length
state.help
4797 let s, l, _ = state.help
.(n) in
4800 method exit ~
uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4804 m_qsearch
<- qsearch;
4805 match state.help
.(active) with
4806 | _, _, Action
f -> Some
(f uioh)
4816 method hasaction
n =
4817 match state.help
.(n) with
4818 | _, _, Action
_ -> true
4825 let modehash = findkeyhash conf "help" in
4826 state.uioh <- coe (new listview ~
source ~trusted
:true ~
modehash);
4827 G.postRedisplay "help";
4832 let re = Str.regexp
"[\r\n]" in
4834 inherit lvsourcebase
4835 val mutable m_items
= [||]
4837 method getitemcount
= 1 + Array.length m_items
4842 else m_items
.(n-1), 0
4844 method exit ~
uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4849 then Buffer.clear
state.errmsgs
;
4850 m_qsearch
<- qsearch;
4857 method hasaction
n =
4861 state.newerrmsgs
<- false;
4862 let l = Str.split
re (Buffer.contents
state.errmsgs
) in
4863 m_items
<- Array.of_list
l
4871 let source = (msgsource :> lvsource
) in
4872 let modehash = findkeyhash conf "listview" in
4873 state.uioh <- coe (object
4874 inherit listview ~
source ~trusted
:false ~
modehash as super
4877 then msgsource#reset
;
4880 G.postRedisplay "msgs";
4883 let quickbookmark ?title
() =
4884 match state.layout with
4890 let sec = Unix.gettimeofday
() in
4891 let tm = Unix.localtime
sec in
4892 Printf.sprintf
"Quick (page %d) (bookmarked at %d/%d/%d %d:%d)"
4896 (tm.Unix.tm_year
+ 1900)
4899 | Some
title -> title
4901 state.bookmarks
<- (title, 0, getanchor1 l) :: state.bookmarks
4904 let setautoscrollspeed step goingdown
=
4905 let incr = max
1 ((abs step
) / 2) in
4906 let incr = if goingdown
then incr else -incr in
4907 let astep = step
+ incr in
4908 state.autoscroll
<- Some
astep;
4911 let gotounder = function
4912 | Ulinkgoto
(pageno, top) ->
4916 gotopage1 pageno top;
4922 | Uremote
(filename
, pageno) ->
4924 if Sys.file_exists filename
4927 let dir = Filename.dirname
state.path in
4928 let path = Filename.concat
dir filename
in
4929 if Sys.file_exists
path
4933 if String.length
path > 0
4935 let anchor = getanchor () in
4936 let ranchor = state.path, state.password
, anchor, state.origin
in
4938 state.anchor <- (pageno, 0.0, 0.0);
4939 state.ranchors
<- ranchor :: state.ranchors
;
4942 else showtext '
!'
("Could not find " ^ filename
)
4944 | Uunexpected
_ | Ulaunch
_ | Unamed
_ | Utext
_ | Unone
-> ()
4948 match conf.columns
with
4950 | _ -> state.x != 0 || conf.zoom > 1.0
4953 let panbound x = bound x (-state.w) (state.winw
- state.scrollw
);;
4955 let existsinrow pageno (columns
, coverA
, coverB
) p =
4956 let last = ((pageno - coverA
) mod columns
) + columns
in
4957 let rec any = function
4960 if l.pageno = coverA
- 1 || l.pageno = state.pagecount
- coverB
4964 then (if l.pageno = last then false else any rest
)
4972 match state.layout with
4974 let pageno = page_of_y state.y in
4975 gotoghyll (getpagey (pageno+1))
4977 match conf.columns
with
4979 if conf.presentation
&& rest
== [] && l.pageh
> l.pagey + l.pagevh
4981 let y = clamp (pgscale state.winh
) in
4984 let pageno = min
(l.pageno+1) (state.pagecount
-1) in
4985 gotoghyll (getpagey pageno)
4986 | Cmulti
((c, _, _) as cl, _) ->
4987 if conf.presentation
4988 && (existsinrow l.pageno cl
4989 (fun l -> l.pageh
> l.pagey + l.pagevh))
4991 let y = clamp (pgscale state.winh
) in
4994 let pageno = min
(l.pageno+c) (state.pagecount
-1) in
4995 gotoghyll (getpagey pageno)
4997 if l.pageno < state.pagecount
- 1 || l.pagecol
< n - 1
4999 let pagey, pageh
= getpageyh l.pageno in
5000 let pagey = pagey + pageh
* l.pagecol
in
5001 let ips = if l.pagecol
= 0 then 0 else conf.interpagespace
in
5002 gotoghyll (pagey + pageh
+ ips)
5006 match state.layout with
5008 let pageno = page_of_y state.y in
5009 gotoghyll (getpagey (pageno-1))
5011 match conf.columns
with
5013 if conf.presentation
&& l.pagey != 0
5015 gotoghyll (clamp (pgscale ~
-(state.winh
)))
5017 let pageno = max
0 (l.pageno-1) in
5018 gotoghyll (getpagey pageno)
5019 | Cmulti
((c, _, coverB
) as cl, _) ->
5020 if conf.presentation
&&
5021 (existsinrow l.pageno cl (fun l -> l.pagey != 0))
5023 gotoghyll (clamp (pgscale ~
-(state.winh
)))
5026 if l.pageno = state.pagecount
- coverB
5030 let pageno = max
0 (l.pageno-decr) in
5031 gotoghyll (getpagey pageno)
5039 let pageno = max
0 (l.pageno-1) in
5040 let pagey, pageh
= getpageyh pageno in
5043 let pagey, pageh
= getpageyh l.pageno in
5044 pagey + pageh
* (l.pagecol
-1) - conf.interpagespace
5049 let viewkeyboard key mask
=
5051 let mode = state.mode in
5052 state.mode <- Textentry
(te, fun _ -> state.mode <- mode);
5055 G.postRedisplay "view:enttext"
5057 let ctrl = Wsi.withctrl mask
in
5059 if key >= 0xffb0 && key < 0xffb9 then key - 0xffb0 + 48 else key
5065 | 0xff63 -> (* insert *)
5066 if conf.angle
mod 360 = 0 && not
(isbirdseye state.mode)
5068 state.mode <- LinkNav
(Ltgendir
0);
5071 else showtext '
!'
"Keyboard link navigation does not work under rotation"
5073 | 0xff1b | 113 -> (* escape / q *)
5074 begin match state.mstate
with
5076 state.mstate
<- Mnone
;
5077 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5078 G.postRedisplay "kill zoom rect";
5080 begin match state.mode with
5083 G.postRedisplay "esc leave linknav"
5085 match state.ranchors
with
5087 | (path, password
, anchor, origin
) :: rest
->
5088 state.ranchors
<- rest
;
5089 state.anchor <- anchor;
5090 state.origin
<- origin
;
5091 opendoc path password
5095 | 0xff08 -> (* backspace *)
5096 gotoghyll (getnav ~
-1)
5104 G.postRedisplay "dehighlight";
5106 | 47 | 63 -> (* / ? *)
5107 let ondone isforw
s =
5108 cbput state.hists
.pat
s;
5109 state.searchpattern
<- s;
5112 let s = String.create
1 in
5113 s.[0] <- Char.chr
key;
5114 enttext (s, "", Some
(onhist state.hists
.pat
),
5115 textentry, ondone (key = 47), true)
5117 | 43 | 0xffab | 61 when ctrl -> (* ctrl-+ or ctrl-= *)
5118 let incr = if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01 in
5119 setzoom (conf.zoom +. incr)
5121 | 43 | 0xffab -> (* + *)
5124 try int_of_string
s with exc
->
5125 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
);
5131 state.text <- "page bias is now " ^ string_of_int
n;
5134 enttext ("page bias: ", "", None
, intentry, ondone, true)
5136 | 45 | 0xffad when ctrl -> (* ctrl-- *)
5137 let decr = if conf.zoom -. 0.1 < 0.1 then 0.01 else 0.1 in
5138 setzoom (max
0.01 (conf.zoom -. decr))
5140 | 45 | 0xffad -> (* - *)
5141 let ondone msg
= state.text <- msg
in
5143 "option [acfhilpstvxACFPRSZTIS]: ", "", None
,
5144 optentry state.mode, ondone, true
5147 | 48 when ctrl -> (* ctrl-0 *)
5152 if state.w <= state.winw
- state.scrollw
5160 | (49 | 50) when ctrl && conf.fitmodel
!= FitPage
-> (* ctrl-1/2 *)
5162 match conf.columns
with
5163 | Csingle
_ | Cmulti
_ -> 1
5164 | Csplit
(n, _) -> n
5166 let h = state.winh
-
5167 conf.interpagespace
lsl (if conf.presentation
then 1 else 0)
5169 let zoom = zoomforh
state.winw
h state.scrollw
cols in
5170 if zoom > 0.0 && (key = 50 || zoom < 1.0)
5173 | 51 when ctrl -> (* ctrl-3 *)
5175 match conf.fitmodel
with
5176 | FitWidth
-> FitProportional
5177 | FitProportional
-> FitPage
5178 | FitPage
-> FitWidth
5180 state.text <- "fit model: " ^
fitmodel_to_string fm;
5181 reqlayout conf.angle
fm
5183 | 0xffc6 -> (* f9 *)
5186 | 57 when ctrl -> (* ctrl-9 *)
5189 | (48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57)
5190 when not
ctrl -> (* 0..9 *)
5193 try int_of_string
s with exc
->
5194 state.text <- Printf.sprintf
"bad integer `%s': %s" s (exntos exc
);
5200 cbput state.hists
.pag
(string_of_int
n);
5201 gotopage1 (n + conf.pagebias
- 1) 0;
5204 let pageentry text key =
5205 match Char.unsafe_chr
key with
5206 | '
g'
-> TEdone
text
5207 | _ -> intentry text key
5209 let text = "x" in text.[0] <- Char.chr
key;
5210 enttext (":", text, Some
(onhist state.hists
.pag
), pageentry, ondone, true)
5213 state.scrollw
<- if state.scrollw
> 0 then 0 else conf.scrollbw
;
5214 reshape state.winw
state.winh
;
5217 conf.hlinks
<- not
conf.hlinks
;
5218 state.text <- "highlightlinks " ^
if conf.hlinks
then "on" else "off";
5219 G.postRedisplay "toggle highlightlinks";
5222 state.glinks
<- true;
5223 let mode = state.mode in
5224 state.mode <- Textentry
(
5225 (":", "", None
, linknentry, linkndone gotounder, false),
5227 state.glinks
<- false;
5231 G.postRedisplay "view:linkent(F)"
5234 state.glinks
<- true;
5235 let mode = state.mode in
5236 state.mode <- Textentry
(
5238 ":", "", None
, linknentry, linkndone (fun under ->
5239 selstring (undertext under);
5243 state.glinks
<- false;
5247 G.postRedisplay "view:linkent"
5250 begin match state.autoscroll
with
5252 conf.autoscrollstep
<- step
;
5253 state.autoscroll
<- None
5255 if conf.autoscrollstep
= 0
5256 then state.autoscroll
<- Some
1
5257 else state.autoscroll
<- Some
conf.autoscrollstep
5260 | 112 when ctrl -> (* ctrl-p *)
5264 setpresentationmode (not
conf.presentation
);
5265 showtext ' '
("presentation mode " ^
5266 if conf.presentation
then "on" else "off");
5269 if List.mem
Wsi.Fullscreen
state.winstate
5270 then Wsi.reshape conf.cwinw
conf.cwinh
5271 else Wsi.fullscreen
()
5273 | 112 | 78 -> (* p|N *)
5274 search state.searchpattern
false
5276 | 110 | 0xffc0 -> (* n|F3 *)
5277 search state.searchpattern
true
5280 begin match state.layout with
5283 gotoghyll (getpagey l.pageno)
5289 | 0xff9f | 0xffff -> (* delete *)
5293 showtext ' '
(describe_location ());
5296 begin match state.layout with
5299 Wsi.reshape (l.pagew
+ state.scrollw
) l.pageh
;
5304 enterbookmarkmode ()
5306 | 104 | 0xffbe -> (* h|F1 *)
5312 | 101 when Buffer.length
state.errmsgs
> 0 -> (* e *)
5317 match state.layout with
5319 if String.length
s > 0
5321 state.bookmarks
<- (s, 0, getanchor1 l) :: state.bookmarks
5324 enttext ("bookmark: ", "", None
, textentry, ondone, true)
5328 showtext ' '
"Quick bookmark added";
5331 begin match state.layout with
5333 let rect = getpdimrect
l.pagedimno
in
5337 (truncate
(1.8 *. (rect.(1) -. rect.(0))),
5338 truncate
(1.2 *. (rect.(3) -. rect.(0))))
5340 (truncate
(rect.(1) -. rect.(0)),
5341 truncate
(rect.(3) -. rect.(0)))
5343 let w = truncate
((float w)*.conf.zoom)
5344 and h = truncate
((float h)*.conf.zoom) in
5347 state.anchor <- getanchor ();
5348 Wsi.reshape (w + state.scrollw
) (h + conf.interpagespace
)
5350 G.postRedisplay "z";
5355 | 60 | 62 -> (* < > *)
5356 reqlayout (conf.angle
+ (if key = 62 then 30 else -30)) conf.fitmodel
5358 | 91 | 93 -> (* [ ] *)
5360 bound (conf.colorscale
+. (if key = 93 then 0.1 else -0.1)) 0.0 1.0
5362 G.postRedisplay "brightness";
5364 | 99 when state.mode = View
-> (* c *)
5366 match state.prevcolumns
with
5367 | None
-> (1, 0, 0), 1.0
5368 | Some
(columns
, z
) ->
5371 | Csplit
(c, _) -> -c, 0, 0
5372 | Cmulti
((c, a, b), _) -> c, a, b
5373 | Csingle
_ -> 1, 0, 0
5377 setcolumns View
c a b;
5380 | 0xff54 | 0xff52 when ctrl && Wsi.withshift mask
->
5381 setzoom state.prevzoom
5383 | 107 | 0xff52 | 0xff97 -> (* k (kp) up *)
5384 begin match state.autoscroll
with
5386 begin match state.mode with
5387 | Birdseye beye
-> upbirdseye 1 beye
5390 then gotoy_and_clear_text (clamp ~
-(state.winh
/2))
5392 if not
(Wsi.withshift mask
) && conf.presentation
5394 else gotoy_and_clear_text (clamp (-conf.scrollstep
))
5398 setautoscrollspeed n false
5401 | 106 | 0xff54 | 0xff99 -> (* j (kp) down *)
5402 begin match state.autoscroll
with
5404 begin match state.mode with
5405 | Birdseye beye
-> downbirdseye 1 beye
5408 then gotoy_and_clear_text (clamp (state.winh
/2))
5410 if not
(Wsi.withshift mask
) && conf.presentation
5412 else gotoy_and_clear_text (clamp conf.scrollstep
)
5416 setautoscrollspeed n true
5419 | 0xff51 | 0xff53 | 0xff96 | 0xff98
5420 when not
(Wsi.withalt mask
) -> (* (kp) left / right *)
5426 else conf.hscrollstep
5428 let dx = if key = 0xff51 or key = 0xff96 then dx else -dx in
5429 state.x <- panbound (state.x + dx);
5430 gotoy_and_clear_text state.y
5433 G.postRedisplay "left/right"
5436 | 0xff55 | 0xff9a -> (* (kp) prior *)
5440 match state.layout with
5442 | l :: _ -> state.y - l.pagey
5444 clamp (pgscale (-state.winh
))
5448 | 0xff56 | 0xff9b -> (* (kp) next *)
5452 match List.rev
state.layout with
5454 | l :: _ -> getpagey l.pageno
5456 clamp (pgscale state.winh
)
5460 | 103 | 0xff50 | 0xff95 -> (* g (kp) home *)
5462 | 71 | 0xff57 | 0xff9c -> (* G (kp) end *)
5463 gotoghyll (clamp state.maxy)
5466 when Wsi.withalt mask
-> (* alt-(kp) right *)
5467 gotoghyll (getnav 1)
5469 when Wsi.withalt mask
-> (* alt-(kp) left *)
5470 gotoghyll (getnav ~
-1)
5475 | 118 when conf.debug
-> (* v *)
5478 match getopaque l.pageno with
5481 let x0, y0, x1, y1 = pagebbox opaque
in
5482 let a,b = float x0, float y0 in
5483 let c,d = float x1, float y0 in
5484 let e,f = float x1, float y1 in
5485 let h,j
= float x0, float y1 in
5486 let rect = (a,b,c,d,e,f,h,j
) in
5488 state.rects
<- (l.pageno, l.pageno mod 3, rect) :: state.rects
;
5490 G.postRedisplay "v";
5493 vlog "huh? %s" (Wsi.keyname
key)
5496 let linknavkeyboard key mask
linknav =
5497 let getpage pageno =
5498 let rec loop = function
5500 | l :: _ when l.pageno = pageno -> Some
l
5501 | _ :: rest
-> loop rest
5502 in loop state.layout
5504 let doexact (pageno, n) =
5505 match getopaque pageno, getpage pageno with
5506 | Some opaque
, Some
l ->
5507 if key = 0xff0d || key = 0xff8d (* (kp)enter *)
5509 let under = getlink opaque
n in
5510 G.postRedisplay "link gotounder";
5516 | 0xff50 -> (* home *)
5517 Some
(findlink opaque LDfirst
), -1
5519 | 0xff57 -> (* end *)
5520 Some
(findlink opaque LDlast
), 1
5522 | 0xff51 -> (* left *)
5523 Some
(findlink opaque
(LDleft
n)), -1
5525 | 0xff53 -> (* right *)
5526 Some
(findlink opaque
(LDright
n)), 1
5528 | 0xff52 -> (* up *)
5529 Some
(findlink opaque
(LDup
n)), -1
5531 | 0xff54 -> (* down *)
5532 Some
(findlink opaque
(LDdown
n)), 1
5537 begin match findpwl
l.pageno dir with
5541 state.mode <- LinkNav
(Ltgendir
dir);
5542 let y, h = getpageyh pageno in
5545 then y + h - state.winh
5550 begin match getopaque pageno, getpage pageno with
5551 | Some opaque
, Some
_ ->
5553 let ld = if dir > 0 then LDfirst
else LDlast
in
5556 begin match link with
5558 showlinktype (getlink opaque
m);
5559 state.mode <- LinkNav
(Ltexact
(pageno, m));
5560 G.postRedisplay "linknav jpage";
5567 begin match opt with
5568 | Some Lnotfound
-> pwl l dir;
5569 | Some
(Lfound
m) ->
5573 let _, y0, _, y1 = getlinkrect opaque
m in
5575 then gotopage1 l.pageno y0
5577 let d = fstate.fontsize
+ 1 in
5578 if y1 - l.pagey > l.pagevh - d
5579 then gotopage1 l.pageno (y1 - state.winh
- state.hscrollh + d)
5580 else G.postRedisplay "linknav";
5582 showlinktype (getlink opaque
m);
5583 state.mode <- LinkNav
(Ltexact
(l.pageno, m));
5586 | None
-> viewkeyboard key mask
5588 | _ -> viewkeyboard key mask
5593 G.postRedisplay "leave linknav"
5597 | Ltgendir
_ -> viewkeyboard key mask
5598 | Ltexact exact
-> doexact exact
5601 let keyboard key mask
=
5602 if (key = 103 && Wsi.withctrl mask
) && not
(istextentry state.mode)
5603 then wcmd "interrupt"
5604 else state.uioh <- state.uioh#
key key mask
5607 let birdseyekeyboard key mask
5608 ((oconf
, leftx
, pageno, hooverpageno
, anchor) as beye
) =
5610 match conf.columns
with
5612 | Cmulti
((c, _, _), _) -> c
5613 | Csplit
_ -> failwith
"bird's eye split mode"
5615 let pgh layout = List.fold_left
(fun m l -> max
l.pageh
m) state.winh
layout in
5617 | 108 when Wsi.withctrl mask
-> (* ctrl-l *)
5618 let y, h = getpageyh pageno in
5619 let top = (state.winh
- h) / 2 in
5620 gotoy (max
0 (y - top))
5621 | 0xff0d (* enter *)
5622 | 0xff8d -> leavebirdseye beye
false (* kp enter *)
5623 | 0xff1b -> leavebirdseye beye
true (* escape *)
5624 | 0xff52 -> upbirdseye incr beye
(* up *)
5625 | 0xff54 -> downbirdseye incr beye
(* down *)
5626 | 0xff51 -> upbirdseye 1 beye
(* left *)
5627 | 0xff53 -> downbirdseye 1 beye
(* right *)
5629 | 0xff55 -> (* prior *)
5630 begin match state.layout with
5634 state.mode <- Birdseye
(
5635 oconf
, leftx
, l.pageno, hooverpageno
, anchor
5637 gotopage1 l.pageno 0;
5640 let layout = layout (state.y-state.winh
) (pgh state.layout) in
5642 | [] -> gotoy (clamp (-state.winh
))
5644 state.mode <- Birdseye
(
5645 oconf
, leftx
, l.pageno, hooverpageno
, anchor
5647 gotopage1 l.pageno 0
5650 | [] -> gotoy (clamp (-state.winh
))
5653 | 0xff56 -> (* next *)
5654 begin match List.rev
state.layout with
5656 let layout = layout (state.y + (pgh state.layout)) state.winh
in
5657 begin match layout with
5659 let incr = l.pageh
- l.pagevh in
5664 oconf
, leftx
, state.pagecount
- 1, hooverpageno
, anchor
5666 G.postRedisplay "birdseye pagedown";
5668 else gotoy (clamp (incr + conf.interpagespace
*2));
5672 Birdseye
(oconf
, leftx
, l.pageno, hooverpageno
, anchor);
5673 gotopage1 l.pageno 0;
5676 | [] -> gotoy (clamp state.winh
)
5679 | 0xff50 -> (* home *)
5680 state.mode <- Birdseye
(oconf
, leftx
, 0, hooverpageno
, anchor);
5683 | 0xff57 -> (* end *)
5684 let pageno = state.pagecount
- 1 in
5685 state.mode <- Birdseye
(oconf
, leftx
, pageno, hooverpageno
, anchor);
5686 if not
(pagevisible state.layout pageno)
5689 match List.rev
state.pdims
with
5691 | (_, _, h, _) :: _ -> h
5693 gotoy (max
0 (getpagey pageno - (state.winh
- h - conf.interpagespace
)))
5694 else G.postRedisplay "birdseye end";
5695 | _ -> viewkeyboard key mask
5700 match state.mode with
5701 | Textentry
_ -> scalecolor 0.4
5703 | View
-> scalecolor 1.0
5704 | Birdseye
(_, _, pageno, hooverpageno
, _) ->
5705 if l.pageno = hooverpageno
5708 if l.pageno = pageno
5716 let postdrawpage l linkindexbase
=
5717 match getopaque l.pageno with
5719 if tileready l l.pagex
l.pagey
5721 let x = l.pagedispx - l.pagex
5722 and y = l.pagedispy - l.pagey in
5724 match conf.columns
with
5725 | Csingle
_ | Cmulti
_ ->
5726 (if conf.hlinks
then 1 else 0)
5728 && not
(isbirdseye state.mode) then 2 else 0)
5732 match state.mode with
5733 | Textentry
((_, s, _, _, _, _), _) when state.glinks
-> s
5736 postprocess opaque
hlmask x y (linkindexbase
, s, conf.hfsize
);
5741 let scrollindicator () =
5742 let sbw, ph
, sh = state.uioh#
scrollph in
5743 let sbh, pw, sw = state.uioh#scrollpw
in
5745 GlDraw.color (0.64, 0.64, 0.64);
5747 (float (state.winw
- sbw), 0.)
5748 (float state.winw
, float state.winh
)
5751 (0., float (state.winh
- sbh))
5752 (float (state.winw
- state.scrollw
- 1), float state.winh
)
5754 GlDraw.color (0.0, 0.0, 0.0);
5757 (float (state.winw
- sbw), ph
)
5758 (float state.winw
, ph
+. sh)
5761 (pw, float (state.winh
- sbh))
5762 (pw +. sw, float state.winh
)
5767 match state.mstate
with
5768 | Mnone
| Mscrolly
| Mscrollx
| Mpan
_ | Mzoom
_ | Mzoomrect
_ ->
5771 | Msel
((x0, y0), (x1, y1)) ->
5772 let rec loop = function
5774 if ((y0 >= l.pagedispy && y0 <= (l.pagedispy + l.pagevh))
5775 || ((y1 >= l.pagedispy && y1 <= (l.pagedispy + l.pagevh))))
5776 && ((x0 >= l.pagedispx && x0 <= (l.pagedispx + l.pagevw))
5777 || ((x1 >= l.pagedispx && x1 <= (l.pagedispx + l.pagevw))))
5779 match getopaque l.pageno with
5781 let x0, y0 = pagetranslatepoint l x0 y0 in
5782 let x1, y1 = pagetranslatepoint l x1 y1 in
5783 seltext opaque
(x0, y0, x1, y1);
5791 let showrects rects
=
5793 GlDraw.color (0.0, 0.0, 1.0) ~
alpha:0.5;
5794 GlDraw.polygon_mode `both `fill
;
5795 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
5797 (fun (pageno, c, (x0, y0, x1, y1, x2
, y2
, x3
, y3
)) ->
5799 if l.pageno = pageno
5801 let dx = float (l.pagedispx - l.pagex
) in
5802 let dy = float (l.pagedispy - l.pagey) in
5803 GlDraw.color (0.0, 0.0, 1.0 /. float c) ~
alpha:0.5;
5804 GlDraw.begins `quads
;
5806 GlDraw.vertex2
(x0+.dx, y0+.dy);
5807 GlDraw.vertex2
(x1+.dx, y1+.dy);
5808 GlDraw.vertex2
(x2
+.dx, y2
+.dy);
5809 GlDraw.vertex2
(x3
+.dx, y3
+.dy);
5820 GlClear.color (scalecolor2 conf.bgcolor
);
5821 GlClear.clear
[`
color];
5822 List.iter
drawpage state.layout;
5824 match state.mode with
5825 | LinkNav
(Ltexact
(pageno, linkno
)) ->
5826 begin match getopaque pageno with
5828 let x0, y0, x1, y1 = getlinkrect opaque linkno
in
5835 | None
-> state.rects
5840 let rec postloop linkindexbase
= function
5842 let linkindexbase = linkindexbase + postdrawpage l linkindexbase in
5843 postloop linkindexbase rest
5847 postloop 0 state.layout;
5849 begin match state.mstate
with
5850 | Mzoomrect
((x0, y0), (x1, y1)) ->
5852 GlDraw.color (0.3, 0.3, 0.3) ~
alpha:0.5;
5853 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
5854 GlDraw.rect (float x0, float y0)
5855 (float x1, float y1);
5864 let zoomrect x y x1 y1 =
5867 and y0 = min
y y1 in
5868 gotoy (state.y + y0);
5869 state.anchor <- getanchor ();
5870 let zoom = (float state.w) /. float (x1 - x0) in
5872 match conf.fitmodel
, conf.columns
with
5873 | FitPage
, Csplit
_ ->
5874 onppundermouse (fun _ l _ _ -> Some
l.pagedispx) x0 y0 x0
5877 if state.w < state.winw
- state.scrollw
5878 then (state.winw
- state.scrollw
- state.w) / 2
5881 state.x <- (state.x + margin) - x0;
5883 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5884 state.mstate
<- Mnone
;
5888 let winw = state.winw - state.scrollw
- 1 in
5889 let s = float x /. float winw in
5890 let destx = truncate
(float (state.w + winw) *. s) in
5891 state.x <- winw - destx;
5892 gotoy_and_clear_text state.y;
5893 state.mstate
<- Mscrollx
;
5897 let s = float y /. float state.winh
in
5898 let desty = truncate
(float (state.maxy - state.winh
) *. s) in
5899 gotoy_and_clear_text desty;
5900 state.mstate
<- Mscrolly
;
5903 let viewmouse button down
x y mask
=
5905 | n when (n == 4 || n == 5) && not down
->
5906 if Wsi.withctrl mask
5908 match state.mstate
with
5909 | Mzoom
(oldn
, i
) ->
5917 if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01
5919 if conf.zoom -. 0.1 < 0.1 then -0.01 else -0.1
5921 let zoom = conf.zoom -. incr in
5923 state.mstate
<- Mzoom
(n, 0);
5925 state.mstate
<- Mzoom
(n, i
+1);
5927 else state.mstate
<- Mzoom
(n, 0)
5929 | _ -> state.mstate
<- Mzoom
(n, 0)
5932 match state.autoscroll
with
5933 | Some step
-> setautoscrollspeed step
(n=4)
5935 if conf.wheelbypage
|| conf.presentation
5944 then -conf.scrollstep
5945 else conf.scrollstep
5947 let incr = incr * 2 in
5948 let y = clamp incr in
5949 gotoy_and_clear_text y
5952 | n when (n = 6 || n = 7) && not down
&& canpan () ->
5954 panbound (state.x + (if n = 7 then -2 else 2) * conf.hscrollstep
);
5955 gotoy_and_clear_text state.y
5957 | 1 when Wsi.withshift mask
->
5958 state.mstate
<- Mnone
;
5961 match unproject x y with
5962 | Some
(pageno, ux
, uy
) ->
5963 let cmd = Printf.sprintf
5965 conf.stcmd
state.path pageno ux uy
5971 | 1 when Wsi.withctrl mask
->
5974 Wsi.setcursor
Wsi.CURSOR_CROSSHAIR
;
5975 state.mstate
<- Mpan
(x, y)
5978 state.mstate
<- Mnone
5983 Wsi.setcursor
Wsi.CURSOR_CYCLE
;
5985 state.mstate
<- Mzoomrect
(p, p)
5988 match state.mstate
with
5989 | Mzoomrect
((x0, y0), _) ->
5990 if abs
(x-x0) > 10 && abs
(y - y0) > 10
5991 then zoomrect x0 y0 x y
5993 state.mstate
<- Mnone
;
5994 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5995 G.postRedisplay "kill accidental zoom rect";
5998 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5999 state.mstate
<- Mnone
6002 | 1 when x > state.winw - state.scrollw
->
6005 let _, position, sh = state.uioh#
scrollph in
6006 if y > truncate
position && y < truncate
(position +. sh)
6007 then state.mstate
<- Mscrolly
6010 state.mstate
<- Mnone
6012 | 1 when y > state.winh
- state.hscrollh ->
6015 let _, position, sw = state.uioh#scrollpw
in
6016 if x > truncate
position && x < truncate
(position +. sw)
6017 then state.mstate
<- Mscrollx
6020 state.mstate
<- Mnone
6023 let dest = if down
then getunder x y else Unone
in
6024 begin match dest with
6028 | Uunexpected
_ | Ulaunch
_ | Unamed
_ ->
6031 | Unone
when down
->
6032 Wsi.setcursor
Wsi.CURSOR_CROSSHAIR
;
6033 state.mstate
<- Mpan
(x, y);
6035 | Unone
| Utext
_ ->
6038 if conf.angle
mod 360 = 0
6040 state.mstate
<- Msel
((x, y), (x, y));
6041 G.postRedisplay "mouse select";
6045 match state.mstate
with
6048 | Mzoom
_ | Mscrollx
| Mscrolly
->
6049 state.mstate
<- Mnone
6051 | Mzoomrect
((x0, y0), _) ->
6055 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
6056 state.mstate
<- Mnone
6058 | Msel
((x0, y0), (x1, y1)) ->
6059 let rec loop = function
6063 let a0 = l.pagedispy in
6064 let a1 = a0 + l.pagevh in
6065 let b0 = l.pagedispx in
6066 let b1 = b0 + l.pagevw in
6067 ((y0 >= a0 && y0 <= a1) || (y1 >= a0 && y1 <= a1))
6068 && ((x0 >= b0 && x0 <= b1) || (x1 >= b0 && x1 <= b1))
6072 match getopaque l.pageno with
6075 match Ne.pipe () with
6079 "can not create sel pipe: %s"
6082 let doclose what fd
=
6083 Ne.clo fd
(fun msg
->
6084 dolog
"%s close failed: %s" what msg
)
6087 popen conf.selcmd
[r, 0; w, -1];
6090 G.postRedisplay "copysel";
6092 dolog
"can not execute %S: %s"
6093 conf.selcmd
(exntos exn
);
6101 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
6102 state.mstate
<- Mnone
;
6109 let birdseyemouse button down
x y mask
6110 (conf, leftx
, _, hooverpageno
, anchor) =
6113 let rec loop = function
6116 if y > l.pagedispy && y < l.pagedispy + l.pagevh
6117 && x > l.pagedispx && x < l.pagedispx + l.pagevw
6119 leavebirdseye (conf, leftx
, l.pageno, hooverpageno
, anchor) false;
6125 | _ -> viewmouse button down
x y mask
6128 let mouse button down
x y mask
=
6129 state.uioh <- state.uioh#button button down
x y mask
;
6133 state.uioh <- state.uioh#
motion x y
6137 state.uioh <- state.uioh#
pmotion x y;
6143 method key key mask
=
6144 begin match state.mode with
6145 | Textentry
textentry -> textentrykeyboard key mask
textentry
6146 | Birdseye
birdseye -> birdseyekeyboard key mask
birdseye
6147 | View
-> viewkeyboard key mask
6148 | LinkNav
linknav -> linknavkeyboard key mask
linknav
6152 method button button bstate
x y mask
=
6153 begin match state.mode with
6155 | View
-> viewmouse button bstate
x y mask
6156 | Birdseye beye
-> birdseyemouse button bstate
x y mask beye
6162 begin match state.mode with
6164 | View
| Birdseye
_ | LinkNav
_ ->
6165 match state.mstate
with
6166 | Mzoom
_ | Mnone
-> ()
6171 state.mstate
<- Mpan
(x, y);
6173 then state.x <- panbound (state.x + dx);
6175 gotoy_and_clear_text y
6178 state.mstate
<- Msel
(a, (x, y));
6179 G.postRedisplay "motion select";
6182 let y = min
state.winh
(max
0 y) in
6186 let x = min
state.winw (max
0 x) in
6189 | Mzoomrect
(p0
, _) ->
6190 state.mstate
<- Mzoomrect
(p0
, (x, y));
6191 G.postRedisplay "motion zoomrect";
6195 method pmotion x y =
6196 begin match state.mode with
6197 | Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor) ->
6198 let rec loop = function
6200 if hooverpageno
!= -1
6202 state.mode <- Birdseye
(conf, leftx
, pageno, -1, anchor);
6203 G.postRedisplay "pmotion birdseye no hoover";
6206 if y > l.pagedispy && y < l.pagedispy + l.pagevh
6207 && x > l.pagedispx && x < l.pagedispx + l.pagevw
6209 state.mode <- Birdseye
(conf, leftx
, pageno, l.pageno, anchor);
6210 G.postRedisplay "pmotion birdseye hoover";
6220 match state.mstate
with
6221 | Mnone
-> updateunder x y
6222 | Mpan
_ | Msel
_ | Mzoom
_ | Mscrolly
| Mscrollx
| Mzoomrect
_ ->
6227 method infochanged
_ = ()
6230 let maxy = state.maxy - (if conf.maxhfit
then state.winh
else 0) in
6233 then 0.0, float state.winh
6234 else scrollph state.y maxy
6239 let winw = state.winw - state.scrollw
in
6240 let fwinw = float winw in
6242 let sw = fwinw /. float state.w in
6243 let sw = fwinw *. sw in
6244 max
sw (float conf.scrollh
)
6247 let maxx = state.w + winw in
6248 let x = winw - state.x in
6249 let percent = float x /. float maxx in
6250 (fwinw -. sw) *. percent
6252 state.hscrollh, position, sw
6256 match state.mode with
6257 | LinkNav
_ -> "links"
6258 | Textentry
_ -> "textentry"
6259 | Birdseye
_ -> "birdseye"
6262 findkeyhash conf modename
6264 method eformsgs
= true
6271 let fontpath = ref "";;
6274 Map.Make
(struct type t
= (int * int) let compare = compare end);;
6277 let l = String.length
s in
6278 let b = Buffer.create
l in
6284 try Sys.getenv
"HOME"
6287 ("Can not determine home directory location: " ^ exntos exn
);
6291 let modifier_of_string = function
6292 | "alt" -> Wsi.altmask
6293 | "shift" -> Wsi.shiftmask
6294 | "ctrl" | "control" -> Wsi.ctrlmask
6295 | "meta" -> Wsi.metamask
6300 let r = Str.regexp
"-" in
6302 let elems = Str.full_split
r s in
6305 let m1 = modifier_of_string s in
6307 then (Wsi.namekey
s, m)
6310 | Str.Delim
s when n land 1 = 0 -> g s
6312 | Str.Delim
_ -> (k
, m)
6314 let rec loop n k
m = function
6317 let k, m = f n k m x in
6323 let keys_of_string =
6324 let r = Str.regexp
"[ \t]" in
6326 let elems = Str.split
r s in
6327 List.map
key_of_string elems
6330 let copykeyhashes c =
6331 List.map
(fun (k, v) -> k, Hashtbl.copy
v) c.keyhashes
;
6334 let config_of c attrs
=
6338 | "scroll-bar-width" -> { c with scrollbw
= max
0 (int_of_string
v) }
6339 | "scroll-handle-height" -> { c with scrollh
= max
0 (int_of_string
v) }
6340 | "case-insensitive-search" -> { c with icase
= bool_of_string
v }
6341 | "preload" -> { c with preload = bool_of_string
v }
6342 | "page-bias" -> { c with pagebias
= int_of_string
v }
6343 | "scroll-step" -> { c with scrollstep
= max
1 (int_of_string
v) }
6344 | "horizontal-scroll-step" ->
6345 { c with hscrollstep
= max
(int_of_string
v) 1 }
6346 | "auto-scroll-step" ->
6347 { c with autoscrollstep
= max
0 (int_of_string
v) }
6348 | "max-height-fit" -> { c with maxhfit
= bool_of_string
v }
6349 | "crop-hack" -> { c with crophack
= bool_of_string
v }
6352 match String.lowercase
v with
6353 | "true" -> Some infinity
6355 | f -> Some
(float_of_string
f)
6357 { c with maxwait
= mw}
6358 | "highlight-links" -> { c with hlinks
= bool_of_string
v }
6359 | "under-cursor-info" -> { c with underinfo
= bool_of_string
v }
6360 | "vertical-margin" ->
6361 { c with interpagespace
= max
0 (int_of_string
v) }
6363 let zoom = float_of_string
v /. 100. in
6364 let zoom = max
zoom 0.0 in
6365 { c with zoom = zoom }
6366 | "presentation" -> { c with presentation
= bool_of_string
v }
6367 | "rotation-angle" -> { c with angle
= int_of_string
v }
6368 | "width" -> { c with cwinw
= max
20 (int_of_string
v) }
6369 | "height" -> { c with cwinh
= max
20 (int_of_string
v) }
6370 | "persistent-bookmarks" -> { c with savebmarks
= bool_of_string
v }
6371 | "proportional-display" ->
6374 then FitProportional
6377 { c with fitmodel
= fm }
6378 | "fit-model" -> { c with fitmodel
= fitmodel_of_string v }
6379 | "pixmap-cache-size" ->
6380 { c with memlimit
= max
2 (int_of_string_with_suffix v) }
6381 | "tex-count" -> { c with texcount
= max
1 (int_of_string
v) }
6382 | "slice-height" -> { c with sliceheight
= max
2 (int_of_string
v) }
6383 | "thumbnail-width" -> { c with thumbw
= max
2 (int_of_string
v) }
6384 | "persistent-location" -> { c with jumpback
= bool_of_string
v }
6385 | "background-color" -> { c with bgcolor
= color_of_string v }
6386 | "scrollbar-in-presentation" ->
6387 { c with scrollbarinpm
= bool_of_string
v }
6388 | "tile-width" -> { c with tilew
= max
2 (int_of_string
v) }
6389 | "tile-height" -> { c with tileh
= max
2 (int_of_string
v) }
6390 | "mupdf-store-size" ->
6391 { c with mustoresize
= max
1024 (int_of_string_with_suffix v) }
6392 | "checkers" -> { c with checkers
= bool_of_string
v }
6393 | "aalevel" -> { c with aalevel
= max
0 (int_of_string
v) }
6394 | "trim-margins" -> { c with trimmargins
= bool_of_string
v }
6395 | "trim-fuzz" -> { c with trimfuzz
= irect_of_string v }
6396 | "uri-launcher" -> { c with urilauncher
= unent v }
6397 | "path-launcher" -> { c with pathlauncher
= unent v }
6398 | "color-space" -> { c with colorspace
= colorspace_of_string v }
6399 | "invert-colors" -> { c with invert
= bool_of_string
v }
6400 | "brightness" -> { c with colorscale
= float_of_string
v }
6401 | "redirectstderr" -> { c with redirectstderr = bool_of_string
v }
6403 { c with ghyllscroll
= Some
(ghyllscroll_of_string v) }
6405 let (n, _, _) as nab
= multicolumns_of_string v in
6407 then { c with columns
= Csplit
(-n, [||]) }
6408 else { c with columns
= Cmulti
(nab
, [||]) }
6409 | "birds-eye-columns" ->
6410 { c with beyecolumns
= Some
(max
(int_of_string
v) 2) }
6411 | "selection-command" -> { c with selcmd
= unent v }
6412 | "synctex-command" -> { c with stcmd
= unent v }
6413 | "update-cursor" -> { c with updatecurs
= bool_of_string
v }
6414 | "hint-font-size" -> { c with hfsize
= bound (int_of_string
v) 5 100 }
6415 | "page-scroll-scale" -> { c with pgscale = float_of_string
v }
6416 | "use-pbo" -> { c with usepbo
= bool_of_string
v }
6417 | "wheel-scrolls-pages" -> { c with wheelbypage
= bool_of_string
v }
6420 prerr_endline
("Error processing attribute (`" ^
6421 k ^
"'=`" ^
v ^
"'): " ^ exntos exn
);
6424 let rec fold c = function
6427 let c = apply c k v in
6430 fold { c with keyhashes
= copykeyhashes c } attrs
;
6433 let fromstring f pos
n v d =
6436 dolog
"Error processing attribute (%S=%S) at %d\n%s"
6437 n v pos
(exntos exn
)
6442 let bookmark_of attrs
=
6443 let rec fold title page
rely visy
= function
6444 | ("title", v) :: rest
-> fold v page
rely visy rest
6445 | ("page", v) :: rest
-> fold title v rely visy rest
6446 | ("rely", v) :: rest
-> fold title page
v visy rest
6447 | ("visy", v) :: rest
-> fold title page
rely v rest
6448 | _ :: rest
-> fold title page
rely visy rest
6449 | [] -> title, page
, rely, visy
6451 fold "invalid" "0" "0" "0" attrs
6455 let rec fold path page
rely pan visy
= function
6456 | ("path", v) :: rest
-> fold v page
rely pan visy rest
6457 | ("page", v) :: rest
-> fold path v rely pan visy rest
6458 | ("rely", v) :: rest
-> fold path page
v pan visy rest
6459 | ("pan", v) :: rest
-> fold path page
rely v visy rest
6460 | ("visy", v) :: rest
-> fold path page
rely pan
v rest
6461 | _ :: rest
-> fold path page
rely pan visy rest
6462 | [] -> path, page
, rely, pan
, visy
6464 fold "" "0" "0" "0" "0" attrs
6468 let rec fold rs ls
= function
6469 | ("out", v) :: rest
-> fold v ls rest
6470 | ("in", v) :: rest
-> fold rs
v rest
6471 | _ :: rest
-> fold ls rs rest
6477 let setconf dst
src =
6478 dst
.scrollbw
<- src.scrollbw
;
6479 dst
.scrollh
<- src.scrollh
;
6480 dst
.icase
<- src.icase
;
6481 dst
.preload <- src.preload;
6482 dst
.pagebias
<- src.pagebias
;
6483 dst
.verbose
<- src.verbose
;
6484 dst
.scrollstep
<- src.scrollstep
;
6485 dst
.maxhfit
<- src.maxhfit
;
6486 dst
.crophack
<- src.crophack
;
6487 dst
.autoscrollstep
<- src.autoscrollstep
;
6488 dst
.maxwait
<- src.maxwait
;
6489 dst
.hlinks
<- src.hlinks
;
6490 dst
.underinfo
<- src.underinfo
;
6491 dst
.interpagespace
<- src.interpagespace
;
6492 dst
.zoom <- src.zoom;
6493 dst
.presentation
<- src.presentation
;
6494 dst
.angle
<- src.angle
;
6495 dst
.cwinw
<- src.cwinw
;
6496 dst
.cwinh
<- src.cwinh
;
6497 dst
.savebmarks
<- src.savebmarks
;
6498 dst
.memlimit
<- src.memlimit
;
6499 dst
.fitmodel
<- src.fitmodel
;
6500 dst
.texcount
<- src.texcount
;
6501 dst
.sliceheight
<- src.sliceheight
;
6502 dst
.thumbw
<- src.thumbw
;
6503 dst
.jumpback
<- src.jumpback
;
6504 dst
.bgcolor
<- src.bgcolor
;
6505 dst
.scrollbarinpm
<- src.scrollbarinpm
;
6506 dst
.tilew
<- src.tilew
;
6507 dst
.tileh
<- src.tileh
;
6508 dst
.mustoresize
<- src.mustoresize
;
6509 dst
.checkers
<- src.checkers
;
6510 dst
.aalevel
<- src.aalevel
;
6511 dst
.trimmargins
<- src.trimmargins
;
6512 dst
.trimfuzz
<- src.trimfuzz
;
6513 dst
.urilauncher
<- src.urilauncher
;
6514 dst
.colorspace
<- src.colorspace
;
6515 dst
.invert
<- src.invert
;
6516 dst
.colorscale
<- src.colorscale
;
6517 dst
.redirectstderr <- src.redirectstderr;
6518 dst
.ghyllscroll
<- src.ghyllscroll
;
6519 dst
.columns
<- src.columns
;
6520 dst
.beyecolumns
<- src.beyecolumns
;
6521 dst
.selcmd
<- src.selcmd
;
6522 dst
.updatecurs
<- src.updatecurs
;
6523 dst
.pathlauncher
<- src.pathlauncher
;
6524 dst
.keyhashes
<- copykeyhashes src;
6525 dst
.hfsize
<- src.hfsize
;
6526 dst
.hscrollstep
<- src.hscrollstep
;
6527 dst
.pgscale <- src.pgscale;
6528 dst
.usepbo
<- src.usepbo
;
6529 dst
.wheelbypage
<- src.wheelbypage
;
6530 dst
.stcmd
<- src.stcmd
;
6534 let h = Hashtbl.create
10 in
6535 let dc = { defconf with angle
= defconf.angle
} in
6536 let rec toplevel v t spos
_ =
6538 | Vdata
| Vcdata
| Vend
-> v
6539 | Vopen
("llppconfig", _, closed
) ->
6542 else { v with f = llppconfig
}
6544 error
"unexpected subelement at top level" s spos
6545 | Vclose
_ -> error
"unexpected close at top level" s spos
6547 and llppconfig
v t spos
_ =
6549 | Vdata
| Vcdata
-> v
6550 | Vend
-> error
"unexpected end of input in llppconfig" s spos
6551 | Vopen
("defaults", attrs
, closed
) ->
6552 let c = config_of dc attrs
in
6556 else { v with f = defaults
}
6558 | Vopen
("ui-font", attrs
, closed
) ->
6559 let rec getsize size
= function
6561 | ("size", v) :: rest
->
6563 fromstring int_of_string spos
"size" v fstate.fontsize
in
6565 | l -> getsize size l
6567 fstate.fontsize
<- getsize fstate.fontsize attrs
;
6570 else { v with f = uifont
(Buffer.create
10) }
6572 | Vopen
("doc", attrs
, closed
) ->
6573 let pathent, spage
, srely
, span
, svisy
= doc_of attrs
in
6574 let path = unent pathent
6575 and pageno = fromstring int_of_string spos
"page" spage
0
6576 and rely = fromstring float_of_string spos
"rely" srely
0.0
6577 and pan
= fromstring int_of_string spos
"pan" span
0
6578 and visy
= fromstring float_of_string spos
"visy" svisy
0.0 in
6579 let c = config_of dc attrs
in
6580 let anchor = (pageno, rely, visy
) in
6582 then (Hashtbl.add
h path (c, [], pan
, anchor); v)
6583 else { v with f = doc
path pan
anchor c [] }
6586 error
"unexpected subelement in llppconfig" s spos
6588 | Vclose
"llppconfig" -> { v with f = toplevel }
6589 | Vclose
_ -> error
"unexpected close in llppconfig" s spos
6591 and defaults
v t spos
_ =
6593 | Vdata
| Vcdata
-> v
6594 | Vend
-> error
"unexpected end of input in defaults" s spos
6595 | Vopen
("keymap", attrs
, closed
) ->
6597 try List.assoc
"mode" attrs
6598 with Not_found
-> "global" in
6603 let h = findkeyhash dc modename in
6604 KeyMap.iter
(Hashtbl.replace
h) keymap
;
6607 { v with f = pkeymap
ret KeyMap.empty }
6609 | Vopen
(_, _, _) ->
6610 error
"unexpected subelement in defaults" s spos
6612 | Vclose
"defaults" ->
6613 { v with f = llppconfig
}
6615 | Vclose
_ -> error
"unexpected close in defaults" s spos
6617 and uifont
b v t spos
epos =
6620 Buffer.add_substring
b s spos
(epos - spos
);
6622 | Vopen
(_, _, _) ->
6623 error
"unexpected subelement in ui-font" s spos
6624 | Vclose
"ui-font" ->
6625 if String.length
!fontpath = 0
6626 then fontpath := Buffer.contents
b;
6627 { v with f = llppconfig
}
6628 | Vclose
_ -> error
"unexpected close in ui-font" s spos
6629 | Vend
-> error
"unexpected end of input in ui-font" s spos
6631 and doc
path pan
anchor c bookmarks
v t spos
_ =
6633 | Vdata
| Vcdata
-> v
6634 | Vend
-> error
"unexpected end of input in doc" s spos
6635 | Vopen
("bookmarks", _, closed
) ->
6638 else { v with f = pbookmarks
path pan
anchor c bookmarks
}
6640 | Vopen
("keymap", attrs
, closed
) ->
6642 try List.assoc
"mode" attrs
6643 with Not_found
-> "global"
6649 let h = findkeyhash c modename in
6650 KeyMap.iter
(Hashtbl.replace
h) keymap
;
6651 doc
path pan
anchor c bookmarks
6653 { v with f = pkeymap
ret KeyMap.empty }
6655 | Vopen
(_, _, _) ->
6656 error
"unexpected subelement in doc" s spos
6659 Hashtbl.add
h path (c, List.rev bookmarks
, pan
, anchor);
6660 { v with f = llppconfig
}
6662 | Vclose
_ -> error
"unexpected close in doc" s spos
6664 and pkeymap
ret keymap
v t spos
_ =
6666 | Vdata
| Vcdata
-> v
6667 | Vend
-> error
"unexpected end of input in keymap" s spos
6668 | Vopen
("map", attrs
, closed
) ->
6669 let r, l = map_of attrs
in
6670 let kss = fromstring keys_of_string spos
"in" r [] in
6671 let lss = fromstring keys_of_string spos
"out" l [] in
6675 | ks
:: [] -> KeyMap.add ks
(KMinsrl
lss) keymap
6676 | ks
:: rest
-> KeyMap.add ks
(KMmulti
(rest
, lss)) keymap
6679 then { v with f = pkeymap
ret keymap }
6682 { v with f = skip
"map" f }
6685 error
"unexpected subelement in keymap" s spos
6687 | Vclose
"keymap" ->
6688 { v with f = ret keymap }
6690 | Vclose
_ -> error
"unexpected close in keymap" s spos
6692 and pbookmarks
path pan
anchor c bookmarks
v t spos
_ =
6694 | Vdata
| Vcdata
-> v
6695 | Vend
-> error
"unexpected end of input in bookmarks" s spos
6696 | Vopen
("item", attrs
, closed
) ->
6697 let titleent, spage
, srely
, svisy
= bookmark_of attrs
in
6698 let page = fromstring int_of_string spos
"page" spage
0
6699 and rely = fromstring float_of_string spos
"rely" srely
0.0
6700 and visy
= fromstring float_of_string spos
"visy" svisy
0.0 in
6702 (unent titleent, 0, (page, rely, visy
)) :: bookmarks
6705 then { v with f = pbookmarks
path pan
anchor c bookmarks }
6708 { v with f = skip
"item" f }
6711 error
"unexpected subelement in bookmarks" s spos
6713 | Vclose
"bookmarks" ->
6714 { v with f = doc
path pan
anchor c bookmarks }
6716 | Vclose
_ -> error
"unexpected close in bookmarks" s spos
6718 and skip tag
f v t spos
_ =
6720 | Vdata
| Vcdata
-> v
6722 error
("unexpected end of input in skipped " ^ tag
) s spos
6723 | Vopen
(tag'
, _, closed
) ->
6727 let f'
() = { v with f = skip tag
f } in
6728 { v with f = skip tag'
f'
}
6732 else error
("unexpected close in skipped " ^ tag
) s spos
6735 parse
{ f = toplevel; accu = () } s;
6741 let len = in_channel_length ic
in
6742 let s = String.create
len in
6743 really_input ic
s 0 len;
6746 | Parse_error
(msg
, s, pos
) ->
6747 let subs = subs s pos
in
6748 let s = Printf.sprintf
"%s: at %d [..%s..]" msg pos
subs in
6749 failwith
("parse error: " ^
s)
6752 failwith
("config load error: " ^ exntos exn
)
6758 let dir = Filename.concat
home ".config" in
6759 if Sys.is_directory
dir then dir else home
6762 Filename.concat
dir "llpp.conf"
6765 let confpath = ref defconfpath;;
6768 if Sys.file_exists
!confpath
6771 (try Some
(open_in_bin
!confpath)
6774 ("Error opening configuration file `" ^
!confpath ^
"': " ^
6785 ("Error loading configuration from `" ^
!confpath ^
"': " ^
6794 f (Hashtbl.create
0, defconf)
6799 let pc, pb
, px, pa
=
6802 if String.length
state.origin
= 0
6806 Hashtbl.find h (Filename.basename
key)
6807 with Not_found
-> dc, [], 0, emptyanchor
6811 state.bookmarks <- pb
;
6813 state.scrollw
<- conf.scrollbw
;
6815 then state.anchor <- pa
;
6816 cbput state.hists
.nav pa
;
6822 let add_attrs bb always
dc c =
6825 then Printf.bprintf bb
"\n %s='%b'" s a
6828 then Printf.bprintf bb
"\n %s='%d'" s a
6831 then Printf.bprintf bb
"\n %s='%s'" s (string_with_suffix_of_int a)
6834 then Printf.bprintf bb
"\n %s='%g'" s (a*.100.)
6837 then Printf.bprintf bb
"\n %s='%f'" s a
6841 Printf.bprintf bb
"\n %s='%s'" s (color_to_string a)
6845 Printf.bprintf bb
"\n %s='%s'" s (colorspace_to_string a)
6849 Printf.bprintf bb
"\n %s='%s'" s (irect_to_string a)
6853 Printf.bprintf bb
"\n %s='%s'" s (enent
a 0 (String.length
a))
6859 | Some
(_N
, _A
, _B
) ->
6860 Printf.bprintf bb
"\n %s='%u,%u,%u'" s _N _A _B
6870 else string_of_float
f
6872 Printf.bprintf bb
"\n %s='%s'" s v
6877 | Cmulti
((n, a, b), _) when n > 1 ->
6878 Printf.bprintf bb
"\n %s='%d,%d,%d'" s n a b
6879 | Csplit
(n, _) when n > 1 ->
6880 Printf.bprintf bb
"\n %s='%d'" s ~
-n
6886 | Some
c when c > 1 -> Printf.bprintf bb
"\n %s='%d'" s c
6891 Printf.bprintf bb
"\n %s='%s'" s (fitmodel_to_string a)
6893 oi
"width" c.cwinw
dc.cwinw
;
6894 oi
"height" c.cwinh
dc.cwinh
;
6895 oi
"scroll-bar-width" c.scrollbw
dc.scrollbw
;
6896 oi
"scroll-handle-height" c.scrollh
dc.scrollh
;
6897 ob "case-insensitive-search" c.icase
dc.icase
;
6898 ob "preload" c.preload dc.preload;
6899 oi
"page-bias" c.pagebias
dc.pagebias
;
6900 oi
"scroll-step" c.scrollstep
dc.scrollstep
;
6901 oi
"auto-scroll-step" c.autoscrollstep
dc.autoscrollstep
;
6902 ob "max-height-fit" c.maxhfit
dc.maxhfit
;
6903 ob "crop-hack" c.crophack
dc.crophack
;
6904 oW
"throttle" c.maxwait
dc.maxwait
;
6905 ob "highlight-links" c.hlinks
dc.hlinks
;
6906 ob "under-cursor-info" c.underinfo
dc.underinfo
;
6907 oi
"vertical-margin" c.interpagespace
dc.interpagespace
;
6908 oz
"zoom" c.zoom dc.zoom;
6909 ob "presentation" c.presentation
dc.presentation
;
6910 oi
"rotation-angle" c.angle
dc.angle
;
6911 ob "persistent-bookmarks" c.savebmarks
dc.savebmarks
;
6912 oFm
"fit-model" c.fitmodel
dc.fitmodel
;
6913 oI
"pixmap-cache-size" c.memlimit
dc.memlimit
;
6914 oi
"tex-count" c.texcount
dc.texcount
;
6915 oi
"slice-height" c.sliceheight
dc.sliceheight
;
6916 oi
"thumbnail-width" c.thumbw
dc.thumbw
;
6917 ob "persistent-location" c.jumpback
dc.jumpback
;
6918 oc
"background-color" c.bgcolor
dc.bgcolor
;
6919 ob "scrollbar-in-presentation" c.scrollbarinpm
dc.scrollbarinpm
;
6920 oi
"tile-width" c.tilew
dc.tilew
;
6921 oi
"tile-height" c.tileh
dc.tileh
;
6922 oI
"mupdf-store-size" c.mustoresize
dc.mustoresize
;
6923 ob "checkers" c.checkers
dc.checkers
;
6924 oi
"aalevel" c.aalevel
dc.aalevel
;
6925 ob "trim-margins" c.trimmargins
dc.trimmargins
;
6926 oR
"trim-fuzz" c.trimfuzz
dc.trimfuzz
;
6927 os
"uri-launcher" c.urilauncher
dc.urilauncher
;
6928 os
"path-launcher" c.pathlauncher
dc.pathlauncher
;
6929 oC
"color-space" c.colorspace
dc.colorspace
;
6930 ob "invert-colors" c.invert
dc.invert
;
6931 oF
"brightness" c.colorscale
dc.colorscale
;
6932 ob "redirectstderr" c.redirectstderr dc.redirectstderr;
6933 og
"ghyllscroll" c.ghyllscroll
dc.ghyllscroll
;
6934 oco
"columns" c.columns
dc.columns
;
6935 obeco
"birds-eye-columns" c.beyecolumns
dc.beyecolumns
;
6936 os
"selection-command" c.selcmd
dc.selcmd
;
6937 os
"synctex-command" c.stcmd
dc.stcmd
;
6938 ob "update-cursor" c.updatecurs
dc.updatecurs
;
6939 oi
"hint-font-size" c.hfsize
dc.hfsize
;
6940 oi
"horizontal-scroll-step" c.hscrollstep
dc.hscrollstep
;
6941 oF
"page-scroll-scale" c.pgscale dc.pgscale;
6942 ob "use-pbo" c.usepbo
dc.usepbo
;
6943 ob "wheel-scrolls-pages" c.wheelbypage
dc.wheelbypage
;
6946 let keymapsbuf always
dc c =
6947 let bb = Buffer.create
16 in
6948 let rec loop = function
6950 | (modename, h) :: rest
->
6951 let dh = findkeyhash dc modename in
6952 if always
|| h <> dh
6954 if Hashtbl.length
h > 0
6956 if Buffer.length
bb > 0
6957 then Buffer.add_char
bb '
\n'
;
6958 Printf.bprintf
bb "<keymap mode='%s'>\n" modename;
6959 Hashtbl.iter
(fun i
o ->
6960 let isdifferent = always
||
6962 let dO = Hashtbl.find dh i
in
6964 with Not_found
-> true
6969 if Wsi.withctrl
m then Buffer.add_string
bb "ctrl-";
6970 if Wsi.withalt
m then Buffer.add_string
bb "alt-";
6971 if Wsi.withshift
m then Buffer.add_string
bb "shift-";
6972 if Wsi.withmeta
m then Buffer.add_string
bb "meta-";
6973 Buffer.add_string
bb (Wsi.keyname
k);
6976 let rec loop = function
6978 | km
:: [] -> addkm km
6979 | km
:: rest
-> addkm km
; Buffer.add_char
bb ' '
; loop rest
6983 Buffer.add_string
bb "<map in='";
6987 Buffer.add_string
bb "' out='";
6989 Buffer.add_string
bb "'/>\n"
6992 Buffer.add_string
bb "' out='";
6994 Buffer.add_string
bb "'/>\n"
6996 | KMmulti
(ins, kms
) ->
6997 Buffer.add_char
bb ' '
;
6999 Buffer.add_string
bb "' out='";
7001 Buffer.add_string
bb "'/>\n"
7003 Buffer.add_string
bb "</keymap>";
7013 let uifontsize = fstate.fontsize
in
7014 let bb = Buffer.create
32768 in
7015 let relx = float state.x /. float state.winw in
7017 let cx w = truncate
(relx *. float w) in
7019 (fun (w, h, x) ws
->
7021 | Wsi.Fullscreen
-> (conf.cwinw
, conf.cwinh
, cx conf.cwinw
)
7022 | Wsi.MaxVert
-> (w, conf.cwinh
, x)
7023 | Wsi.MaxHorz
-> (conf.cwinw
, h, cx conf.cwinw
)
7025 (state.winw, state.winh
, state.x) state.winstate
7030 let dc = if conf.bedefault
then conf else dc in
7031 Buffer.add_string
bb "<llppconfig>\n";
7033 if String.length
!fontpath > 0
7035 Printf.bprintf
bb "<ui-font size='%d'><![CDATA[%s]]></ui-font>\n"
7041 Printf.bprintf
bb "<ui-font size='%d'/>\n" uifontsize
7044 Buffer.add_string
bb "<defaults ";
7045 add_attrs bb true dc dc;
7046 let kb = keymapsbuf true dc dc in
7047 if Buffer.length
kb > 0
7049 Buffer.add_string
bb ">\n";
7050 Buffer.add_buffer
bb kb;
7051 Buffer.add_string
bb "\n</defaults>\n";
7053 else Buffer.add_string
bb "/>\n";
7055 let adddoc path pan
anchor c bookmarks =
7056 if bookmarks == [] && c = dc && anchor = emptyanchor
7059 Printf.bprintf
bb "<doc path='%s'"
7060 (enent
path 0 (String.length
path));
7062 if anchor <> emptyanchor
7064 let n, rely, visy
= anchor in
7065 Printf.bprintf
bb " page='%d'" n;
7068 Printf.bprintf
bb " rely='%f'" rely
7070 if abs_float visy
> 1e-6
7072 Printf.bprintf
bb " visy='%f'" visy
7077 then Printf.bprintf
bb " pan='%d'" pan
;
7079 add_attrs bb false dc c;
7080 let kb = keymapsbuf false dc c in
7082 begin match bookmarks with
7084 if Buffer.length
kb > 0
7086 Buffer.add_string
bb ">\n";
7087 Buffer.add_buffer
bb kb;
7088 Buffer.add_string
bb "\n</doc>\n";
7090 else Buffer.add_string
bb "/>\n"
7092 Buffer.add_string
bb ">\n<bookmarks>\n";
7093 List.iter
(fun (title, _level
, (page, rely, visy
)) ->
7095 "<item title='%s' page='%d'"
7096 (enent
title 0 (String.length
title))
7101 Printf.bprintf
bb " rely='%f'" rely
7103 if abs_float visy
> 1e-6
7105 Printf.bprintf
bb " visy='%f'" visy
7107 Buffer.add_string
bb "/>\n";
7109 Buffer.add_string
bb "</bookmarks>";
7110 if Buffer.length
kb > 0
7112 Buffer.add_string
bb "\n";
7113 Buffer.add_buffer
bb kb;
7115 Buffer.add_string
bb "\n</doc>\n";
7121 match state.mode with
7122 | Birdseye
(c, pan, _, _, _) ->
7124 match conf.columns
with
7125 | Cmulti
((c, _, _), _) -> Some
c
7129 match c.columns
with
7130 | Cmulti
(c, _) -> Cmulti
(c, [||])
7131 | Csingle
_ -> Csingle
[||]
7132 | Csplit
_ -> failwith
"quit from bird's eye while split"
7134 pan, { c with beyecolumns = beyecolumns; columns
= columns
}
7137 let basename = Filename.basename
7138 (if String.length
state.origin
= 0 then state.path else state.origin
)
7140 adddoc basename pan (getanchor ())
7142 let autoscrollstep =
7143 match state.autoscroll
with
7145 | None
-> conf.autoscrollstep
7147 match state.mode with
7148 | Birdseye
(bc
, _, _, _, _) ->
7151 presentation
= bc
.presentation
;
7152 interpagespace
= bc
.interpagespace
;
7153 maxwait
= bc
.maxwait
;
7154 autoscrollstep = autoscrollstep }
7155 | _ -> { conf with autoscrollstep = autoscrollstep }
7157 (if conf.savebmarks
then state.bookmarks else []);
7159 Hashtbl.iter
(fun path (c, bookmarks, x, anchor) ->
7161 then adddoc path x anchor c bookmarks
7163 Buffer.add_string
bb "</llppconfig>\n";
7166 if load1 f && Buffer.length
bb > 0
7169 let tmp = !confpath ^
".tmp" in
7170 let oc = open_out_bin
tmp in
7171 Buffer.output_buffer
oc bb;
7173 Unix.rename
tmp !confpath;
7176 ("error while saving configuration: " ^ exntos exn
)
7180 let adderrmsg src msg
=
7181 Buffer.add_string
state.errmsgs msg
;
7182 state.newerrmsgs
<- true;
7186 let adderrfmt src fmt
=
7187 Format.kprintf
(fun s -> adderrmsg src s) fmt
;
7191 let cl = splitatspace cmds
in
7193 try Scanf.sscanf
s fmt
f
7195 adderrfmt "remote exec"
7196 "error processing '%S': %s\n" cmds
(exntos exn
)
7199 | "reload" :: [] -> reload ()
7200 | "goto" :: args :: [] ->
7201 scan args "%u %f %f"
7203 let cmd, _ = state.geomcmds
in
7204 if String.length
cmd = 0
7205 then gotopagexy pageno x y
7208 gotopagexy pageno x y;
7211 state.reprf
<- f state.reprf
7213 | "goto1" :: args :: [] -> scan args "%u %f" gotopage
7214 | "rect" :: args :: [] ->
7215 scan args "%u %u %f %f %f %f"
7216 (fun pageno color x0 y0 x1 y1 ->
7217 onpagerect pageno (fun w h ->
7218 let _,w1,h1
,_ = getpagedim pageno in
7219 let sw = float w1 /. w
7220 and sh = float h1
/. h in
7224 and y1s
= y1 *. sh in
7225 let rect = (x0s,y0s
,x1s
,y0s
,x1s
,y1s
,x0s,y1s
) in
7227 state.rects <- (pageno, color, rect) :: state.rects;
7228 G.postRedisplay "rect";
7231 | "activatewin" :: [] -> Wsi.activatewin
()
7232 | "quit" :: [] -> raise Quit
7234 adderrfmt "remote command"
7235 "error processing remote command: %S\n" cmds
;
7239 let scratch = String.create
80 in
7240 let buf = Buffer.create
80 in
7243 try Some
(Unix.read fd
scratch 0 80)
7245 | Unix.Unix_error
(Unix.EAGAIN
, _, _) -> None
7246 | Unix.Unix_error
(Unix.EINTR
, _, _) -> tempfr ()
7249 match tempfr () with
7255 if Buffer.length
buf > 0
7257 let s = Buffer.contents
buf in
7267 let pos = String.index_from
scratch ppos '
\n'
in
7268 if pos >= n then -1 else pos
7269 with Not_found
-> -1
7273 Buffer.add_substring
buf scratch ppos
(nlpos-ppos
);
7274 let s = Buffer.contents
buf in
7280 Buffer.add_substring
buf scratch ppos
(n-ppos
);
7286 let remoteopen path =
7287 try Some
(Unix.openfile
path [Unix.O_NONBLOCK
; Unix.O_RDONLY
] 0o0
)
7289 adderrfmt "remoteopen" "error opening %S: %s" path (exntos exn
);
7294 let trimcachepath = ref "" in
7295 let rcmdpath = ref "" in
7298 [("-p", Arg.String
(fun s -> state.password
<- s),
7299 "<password> Set password");
7301 ("-f", Arg.String
(fun s -> Config.fontpath := s),
7302 "<path> Set path to the user interface font");
7304 ("-c", Arg.String
(fun s -> Config.confpath := s),
7305 "<path> Set path to the configuration file");
7307 ("-tcf", Arg.String
(fun s -> trimcachepath := s),
7308 "<path> Set path to the trim cache file");
7310 ("-dest", Arg.String
(fun s -> state.nameddest
<- s),
7311 "<named-destination> Set named destination");
7313 ("-wtmode", Arg.Set
wtmode, " Operate in wt mode");
7315 ("-remote", Arg.String
(fun s -> rcmdpath := s),
7316 "<path> Set path to the remote commands source");
7318 ("-origin", Arg.String
(fun s -> state.origin
<- s),
7319 "<original-path> Set original path");
7321 ("-v", Arg.Unit
(fun () ->
7323 "%s\nconfiguration path: %s\n"
7327 exit
0), " Print version and exit");
7330 (fun s -> state.path <- s)
7331 ("Usage: " ^
Sys.argv
.(0) ^
" [options] some.pdf\nOptions:")
7333 if String.length
state.path = 0
7334 then (prerr_endline
"file name missing"; exit
1);
7336 if not
(Config.load ())
7337 then prerr_endline
"failed to load configuration";
7339 let globalkeyhash = findkeyhash conf "global" in
7340 let wsfd, winw, winh
= Wsi.init
(object
7342 if nogeomcmds state.geomcmds
|| platform == Posx
7345 GlClear.color (scalecolor2 conf.bgcolor
);
7346 GlClear.clear
[`
color];
7348 method display = display ()
7349 method reshape w h = reshape w h
7350 method mouse b d x y m = mouse b d x y m
7351 method motion x y = state.mpos
<- (x, y); motion x y
7352 method pmotion x y = state.mpos
<- (x, y); pmotion x y
7354 let mascm = m land (
7355 Wsi.altmask
+ Wsi.shiftmask
+ Wsi.ctrlmask
+ Wsi.metamask
7357 match state.keystate
with
7359 let km = k, mascm in
7362 let modehash = state.uioh#
modehash in
7363 try Hashtbl.find modehash km
7365 try Hashtbl.find globalkeyhash km
7366 with Not_found
-> KMinsrt
(k, m)
7368 | KMinsrt
(k, m) -> keyboard k m
7369 | KMinsrl
l -> List.iter
(fun (k, m) -> keyboard k m) l
7370 | KMmulti
(l, r) -> state.keystate
<- KSinto
(l, r)
7372 | KSinto
((k'
, m'
) :: [], insrt
) when k'
=k && m'
land mascm = m'
->
7373 List.iter
(fun (k, m) -> keyboard k m) insrt
;
7374 state.keystate
<- KSnone
7375 | KSinto
((k'
, m'
) :: keys
, insrt
) when k'
=k && m'
land mascm = m'
->
7376 state.keystate
<- KSinto
(keys
, insrt
)
7378 state.keystate
<- KSnone
7380 method enter
x y = state.mpos
<- (x, y); pmotion x y
7381 method leave = state.mpos
<- (-1, -1)
7382 method winstate wsl
= state.winstate
<- wsl
7383 method quit
= raise Quit
7384 end) conf.cwinw
conf.cwinh
(platform = Posx
) in
7389 List.exists
GlMisc.check_extension
7390 [ "GL_ARB_texture_rectangle"
7391 ; "GL_EXT_texture_recangle"
7392 ; "GL_NV_texture_rectangle" ]
7394 then (prerr_endline
"OpenGL does not suppport rectangular textures"; exit
1);
7397 match Ne.pipe () with
7399 Printf.eprintf
"pipe/crsw failed: %s" (exntos exn
);
7403 match Ne.pipe () with
7405 Printf.eprintf
"pipe/srcw failed: %s" (exntos exn
);
7415 setcheckers conf.checkers
;
7419 conf.angle
, conf.fitmodel
, (conf.trimmargins
, conf.trimfuzz
),
7420 conf.texcount
, conf.sliceheight
, conf.mustoresize
, conf.colorspace
,
7421 !Config.fontpath, !trimcachepath,
7422 GlMisc.check_extension
"GL_ARB_pixel_buffer_object"
7426 state.text <- "Opening " ^
(mbtoutf8
state.path);
7428 opendoc state.path state.password
;
7431 Sys.set_signal
Sys.sighup
(Sys.Signal_handle
(fun _ -> reload ()));
7434 if String.length
!rcmdpath > 0
7435 then remoteopen !rcmdpath
7440 let rec loop deadline
=
7442 match state.errfd
with
7443 | None
-> [state.sr
; state.wsfd]
7444 | Some fd
-> [state.sr
; state.wsfd; fd
]
7449 | Some fd
-> fd
:: r
7453 state.redisplay
<- false;
7460 if deadline
= infinity
7462 else max
0.0 (deadline
-. now)
7467 try Unix.select
r [] [] timeout
7468 with Unix.Unix_error
(Unix.EINTR
, _, _) -> [], [], []
7474 if state.ghyll
== noghyll
7476 match state.autoscroll
with
7477 | Some step
when step
!= 0 ->
7478 let y = state.y + step
in
7482 else if y >= state.maxy then 0 else y
7485 if state.mode = View
7486 then state.text <- "";
7489 else deadline
+. 0.01
7494 let rec checkfds = function
7496 | fd
:: rest
when fd
= state.sr
->
7497 let cmd = readcmd state.sr
in
7501 | fd
:: rest
when fd
= state.wsfd ->
7505 | fd
:: rest
when Some fd
= !optrfd ->
7506 begin match remote fd
with
7507 | None
-> optrfd := remoteopen !rcmdpath;
7508 | opt -> optrfd := opt
7513 let s = String.create
80 in
7514 let n = tempfailureretry
(Unix.read fd
s 0) 80 in
7515 if conf.redirectstderr
7517 Buffer.add_substring
state.errmsgs
s 0 n;
7518 state.newerrmsgs
<- true;
7519 state.redisplay
<- true;
7522 prerr_string
(String.sub
s 0 n);
7530 if deadline
= infinity
7534 match state.autoscroll
with
7535 | Some step
when step
!= 0 -> deadline1
7536 | _ -> if state.ghyll
== noghyll then infinity
else deadline1