3 let tempfailureretry = Wsi.tempfailureretry;;
8 | Ulinkgoto
of (int * int)
10 | Uunexpected
of string
13 | Uremote
of (string * int)
14 and facename
= string;;
16 let dolog fmt
= Printf.kprintf prerr_endline fmt
;;
17 let now = Unix.gettimeofday
;;
19 type params
= (angle
* proportional
* trimparams
20 * texcount
* sliceheight
* memsize
21 * colorspace
* fontpath
* trimcachepath
31 and proportional
= bool
32 and trimmargins
= bool
33 and interpagespace
= int
40 and trimcachepath
= string
43 and irect
= (int * int * int * int)
44 and trimparams
= (trimmargins
* irect
)
45 and colorspace
= | Rgb
| Bgr
| Gray
55 | LDfirstvisible
of (int * int * int)
70 | KMmulti
of key list
* key list
72 and keyhash
= (key
, keymap
) Hashtbl.t
75 | KSinto
of (key list
* key list
)
78 type platform
= | Punknown
| Plinux
| Posx
| Psun
| Pfreebsd
79 | Pdragonflybsd
| Popenbsd
| Pnetbsd
| Pcygwin
;;
81 type pipe
= (Unix.file_descr
* Unix.file_descr
);;
83 external init
: pipe
-> params
-> unit = "ml_init";;
84 external seltext
: string -> (int * int * int * int) -> unit = "ml_seltext";;
85 external copysel
: Unix.file_descr
-> opaque
-> unit = "ml_copysel";;
86 external getpdimrect
: int -> float array
= "ml_getpdimrect";;
87 external whatsunder
: string -> int -> int -> under
= "ml_whatsunder";;
88 external zoomforh
: int -> int -> int -> int -> float = "ml_zoom_for_height";;
89 external drawstr
: int -> int -> int -> string -> float = "ml_draw_string";;
90 external measurestr
: int -> string -> float = "ml_measure_string";;
91 external getmaxw
: unit -> float = "ml_getmaxw";;
92 external postprocess
:
93 opaque
-> int -> int -> int -> (int * string * int) -> int
95 external pagebbox
: opaque
-> (int * int * int * int) = "ml_getpagebox";;
96 external platform
: unit -> platform
= "ml_platform";;
97 external setaalevel
: int -> unit = "ml_setaalevel";;
98 external realloctexts
: int -> bool = "ml_realloctexts";;
99 external cloexec
: Unix.file_descr
-> unit = "ml_cloexec";;
100 external findlink
: opaque
-> linkdir
-> link
= "ml_findlink";;
101 external getlink
: opaque
-> int -> under
= "ml_getlink";;
102 external getlinkrect
: opaque
-> int -> irect
= "ml_getlinkrect";;
103 external getlinkcount
: opaque
-> int = "ml_getlinkcount";;
104 external findpwl
: int -> int -> pagewithlinks
= "ml_find_page_with_links"
105 external popen
: string -> (Unix.file_descr
* int) list
-> unit = "ml_popen";;
106 external mbtoutf8
: string -> string = "ml_mbtoutf8";;
107 external getpbo
: width
-> height
-> colorspace
-> string = "ml_getpbo";;
108 external freepbo
: string -> unit = "ml_freepbo";;
109 external unmappbo
: string -> unit = "ml_unmappbo";;
110 external pbousable
: unit -> bool = "ml_pbo_usable";;
111 external unproject
: opaque
-> int -> int -> (int * int) option
114 let platform_to_string = function
115 | Punknown
-> "unknown"
119 | Pfreebsd
-> "FreeBSD"
120 | Pdragonflybsd
-> "DragonflyBSD"
121 | Popenbsd
-> "OpenBSD"
122 | Pnetbsd
-> "NetBSD"
123 | Pcygwin
-> "Cygwin"
126 let platform = platform ();;
129 if platform = Pcygwin
131 let sh = "/bin/sh" in
132 let args = [|sh; "-c"; cmd
|] in
133 let rec std si so se
= function
135 | (fd
, 0) :: rest
-> std fd so se rest
136 | (fd
, -1) :: rest
->
137 Unix.set_close_on_exec fd
;
140 failwith
("unexpected fdn in cygwin popen " ^ string_of_int n
)
142 let si, so
, se
= std Unix.stdin
Unix.stdout
Unix.stderr fda
in
143 ignore
(Unix.create_process
sh args si so se
)
152 and tileparams
= (x
* y
* width
* height
* tilex
* tiley
)
155 external drawtile
: tileparams
-> opaque
-> unit = "ml_drawtile";;
157 type mpos
= int * int
159 | Msel
of (mpos
* mpos
)
161 | Mscrolly
| Mscrollx
162 | Mzoom
of (int * int)
163 | Mzoomrect
of (mpos
* mpos
)
167 type textentry
= string * string * onhist
option * onkey
* ondone
* cancelonempty
168 and onkey
= string -> int -> te
169 and ondone
= string -> unit
170 and histcancel
= unit -> unit
171 and onhist
= ((histcmd
-> string) * histcancel
)
172 and histcmd
= HCnext
| HCprev
| HCfirst
| HClast
173 and cancelonempty
= bool
178 | TEswitch
of textentry
189 let bound v minv maxv
=
190 max minv
(min maxv v
);
194 { store
= Array.create n v
201 let cbcap b
= Array.length b
.store
;;
206 b
.wc
<- (b
.wc
+ 1) mod cap;
208 b
.len
<- min
(b
.len
+ 1) cap;
211 let cbempty b
= b
.len
= 0;;
213 let cbgetg b circular dir
=
217 let rc = b
.rc + dir
in
229 else bound rc 0 (b
.len
-1)
235 let cbget b
= cbgetg b
false;;
236 let cbgetc b
= cbgetg b
true;;
238 let drawstring size x y s
=
240 Gl.enable `texture_2d
;
241 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
242 ignore
(drawstr size x y s
);
244 Gl.disable `texture_2d
;
247 let drawstring1 size x y s
=
251 let drawstring2 size x y fmt
=
252 Printf.kprintf
(drawstring size
(x
+1) (y
+size
+1)) fmt
271 dolog "l %d dim=%d {" l
.pageno l
.pagedimno
;
272 dolog " WxH %dx%d" l
.pagew l
.pageh
;
273 dolog " vWxH %dx%d" l
.pagevw l
.pagevh
;
274 dolog " pagex,y %d,%d" l
.pagex l
.pagey
;
275 dolog " dispx,y %d,%d" l
.pagedispx l
.pagedispy
;
276 dolog " column %d" l
.pagecol
;
280 let debugrect (x0
, y0
, x1
, y1
, x2
, y2
, x3
, y3
) =
282 dolog " x0,y0=(% f, % f)" x0 y0
;
283 dolog " x1,y1=(% f, % f)" x1 y1
;
284 dolog " x2,y2=(% f, % f)" x2 y2
;
285 dolog " x3,y3=(% f, % f)" x3 y3
;
289 type multicolumns
= multicol
* pagegeom
290 and singlecolumn
= pagegeom
291 and splitcolumns
= columncount
* pagegeom
292 and pagegeom
= ((pdimno
* x
* y
* (pageno
* width
* height
* leftx
)) array
)
293 and multicol
= columncount
* covercount
* covercount
295 and columncount
= int
296 and covercount
= int;;
299 { mutable scrollbw
: int
300 ; mutable scrollh
: int
301 ; mutable icase
: bool
302 ; mutable preload
: bool
303 ; mutable pagebias
: int
304 ; mutable verbose
: bool
305 ; mutable debug
: bool
306 ; mutable scrollstep
: int
307 ; mutable hscrollstep
: int
308 ; mutable maxhfit
: bool
309 ; mutable crophack
: bool
310 ; mutable autoscrollstep
: int
311 ; mutable maxwait
: float option
312 ; mutable hlinks
: bool
313 ; mutable underinfo
: bool
314 ; mutable interpagespace
: interpagespace
315 ; mutable zoom
: float
316 ; mutable presentation
: bool
317 ; mutable angle
: angle
320 ; mutable savebmarks
: bool
321 ; mutable proportional
: proportional
322 ; mutable trimmargins
: trimmargins
323 ; mutable trimfuzz
: irect
324 ; mutable memlimit
: memsize
325 ; mutable texcount
: texcount
326 ; mutable sliceheight
: sliceheight
327 ; mutable thumbw
: width
328 ; mutable jumpback
: bool
329 ; mutable bgcolor
: float * float * float
330 ; mutable bedefault
: bool
331 ; mutable scrollbarinpm
: bool
332 ; mutable tilew
: int
333 ; mutable tileh
: int
334 ; mutable mustoresize
: memsize
335 ; mutable checkers
: bool
336 ; mutable aalevel
: int
337 ; mutable urilauncher
: string
338 ; mutable pathlauncher
: string
339 ; mutable colorspace
: colorspace
340 ; mutable invert
: bool
341 ; mutable colorscale
: float
342 ; mutable redirectstderr
: bool
343 ; mutable ghyllscroll
: (int * int * int) option
344 ; mutable columns
: columns
345 ; mutable beyecolumns
: columncount
option
346 ; mutable selcmd
: string
347 ; mutable updatecurs
: bool
348 ; mutable keyhashes
: (string * keyhash
) list
349 ; mutable hfsize
: int
350 ; mutable pgscale
: float
351 ; mutable usepbo
: bool
352 ; mutable wheelbypage
: bool
353 ; mutable stcmd
: string
356 | Csingle
of singlecolumn
357 | Cmulti
of multicolumns
358 | Csplit
of splitcolumns
361 type anchor
= pageno
* top
* dtop
;;
363 type outline
= string * int * anchor
;;
365 type rect
= float * float * float * float * float * float * float * float;;
367 type tile
= opaque
* pixmapsize
* elapsed
368 and elapsed
= float;;
369 type pagemapkey
= pageno
* gen
;;
370 type tilemapkey
= pageno
* gen
* colorspace
* angle
* width
* height
* col
* row
374 let emptyanchor = (0, 0.0, 0.0);;
376 type infochange
= | Memused
| Docinfo
| Pdim
;;
378 class type uioh
= object
379 method display
: unit
380 method key
: int -> int -> uioh
381 method button
: int -> bool -> int -> int -> int -> uioh
382 method motion
: int -> int -> uioh
383 method pmotion
: int -> int -> uioh
384 method infochanged
: infochange
-> unit
385 method scrollpw
: (int * float * float)
386 method scrollph
: (int * float * float)
387 method modehash
: keyhash
391 | Birdseye
of (conf
* leftx
* pageno
* pageno
* anchor
)
392 | Textentry
of (textentry
* onleave
)
394 | LinkNav
of linktarget
395 and onleave
= leavetextentrystatus
-> unit
396 and leavetextentrystatus
= | Cancel
| Confirm
397 and helpitem
= string * int * action
400 | Action
of (uioh
-> uioh
)
402 | Ltexact
of (pageno
* int)
406 let isbirdseye = function Birdseye _
-> true | _
-> false;;
407 let istextentry = function Textentry _
-> true | _
-> false;;
411 | Loading
of (page
* gen
)
413 page
* opaque
* colorspace
* angle
* gen
* col
* row
* width
* height
415 | Outlining
of outline list
418 let emptykeyhash = Hashtbl.create
0;;
419 let nouioh : uioh
= object (self
)
421 method key _ _
= self
422 method button _ _ _ _ _
= self
423 method motion _ _
= self
424 method pmotion _ _
= self
425 method infochanged _
= ()
426 method scrollpw
= (0, nan
, nan
)
427 method scrollph
= (0, nan
, nan
)
428 method modehash
= emptykeyhash
432 { mutable sr
: Unix.file_descr
433 ; mutable sw
: Unix.file_descr
434 ; mutable wsfd
: Unix.file_descr
435 ; mutable errfd
: Unix.file_descr
option
436 ; mutable stderr
: Unix.file_descr
437 ; mutable errmsgs
: Buffer.t
438 ; mutable newerrmsgs
: bool
442 ; mutable scrollw
: int
443 ; mutable hscrollh
: int
444 ; mutable anchor
: anchor
445 ; mutable ranchors
: (string * string * anchor
) list
447 ; mutable layout
: page list
448 ; pagemap
: (pagemapkey
, opaque
) Hashtbl.t
449 ; tilemap
: (tilemapkey
, tile
) Hashtbl.t
450 ; tilelru
: (tilemapkey
* opaque
* pixmapsize
) Queue.t
451 ; mutable pdims
: (pageno
* width
* height
* leftx
) list
452 ; mutable pagecount
: int
453 ; mutable currently
: currently
454 ; mutable mstate
: mstate
455 ; mutable searchpattern
: string
456 ; mutable rects
: (pageno
* recttype
* rect
) list
457 ; mutable rects1
: (pageno
* recttype
* rect
) list
458 ; mutable text
: string
459 ; mutable fullscreen
: (width
* height
) option
460 ; mutable mode
: mode
461 ; mutable uioh
: uioh
462 ; mutable outlines
: outline array
463 ; mutable bookmarks
: outline list
464 ; mutable path
: string
465 ; mutable password
: string
466 ; mutable nameddest
: string
467 ; mutable geomcmds
: (string * ((string * (unit -> unit)) list
))
468 ; mutable memused
: memsize
470 ; mutable throttle
: (page list
* int * float) option
471 ; mutable autoscroll
: int option
472 ; mutable ghyll
: (int option -> unit)
473 ; mutable help
: helpitem array
474 ; mutable docinfo
: (int * string) list
475 ; mutable texid
: GlTex.texture_id
option
477 ; mutable prevzoom
: float
478 ; mutable progress
: float
479 ; mutable redisplay
: bool
480 ; mutable mpos
: mpos
481 ; mutable keystate
: keystate
482 ; mutable glinks
: bool
483 ; mutable prevcolumns
: (columns
* float) option
484 ; mutable wthack
: bool
487 { pat
: string circbuf
488 ; pag
: string circbuf
489 ; nav
: anchor circbuf
490 ; sel
: string circbuf
512 ; presentation
= false
517 ; proportional
= true
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 fstate.fontsize
<- n
;
603 fstate.wwidth
<- measurestr
fstate.fontsize
"w";
604 fstate.maxrows
<- (conf.winh
- fstate.fontsize
- 1) / (fstate.fontsize
+ 1);
608 let colonpos = try String.index s '
:'
with Not_found
-> -1 in
609 let len = String.length s
in
610 if colonpos >= 0 && colonpos + 3 < len
612 if s
.[colonpos+1] = '
/'
&& s
.[colonpos+2] = '
/'
615 try String.rindex_from s
colonpos ' '
619 String.sub s
(schemestartpos+1) (colonpos-1-schemestartpos)
622 | "http" | "ftp" | "mailto" ->
624 try String.index_from s
colonpos ' '
625 with Not_found
-> len
627 String.sub s
(schemestartpos+1) (epos-1-schemestartpos)
635 if String.length
conf.urilauncher
= 0
636 then print_endline uri
638 let url = geturl uri
in
639 if String.length
url = 0
640 then print_endline uri
642 let re = Str.regexp
"%s" in
643 let command = Str.global_replace
re url conf.urilauncher
in
647 "failed to execute `%s': %s\n" command (Printexc.to_string exn
);
653 Printf.sprintf
"llpp version %s (%s/%dbit, ocaml %s)" Help.version
654 (platform_to_string platform) Sys.word_size
Sys.ocaml_version
658 let strings = version () :: "" :: Help.keys
in
661 let url = geturl s
in
662 if String.length
url > 0
663 then (s
, 0, Action
(fun u
-> gotouri url; u
))
664 else (s
, 0, Noaction
)
669 let firstgeomcmds = "", [];;
676 ; stderr
= Unix.stderr
677 ; errmsgs
= Buffer.create
0
684 ; anchor
= emptyanchor
688 ; tilelru
= Queue.create
()
689 ; pagemap
= Hashtbl.create
10
690 ; tilemap
= Hashtbl.create
10
706 ; geomcmds
= firstgeomcmds
708 { nav
= cbnew 10 emptyanchor
736 Printf.kprintf prerr_endline fmt
738 Printf.kprintf ignore fmt
742 if String.length
conf.pathlauncher
= 0
743 then print_endline
state.path
745 let re = Str.regexp
"%s" in
746 let command = Str.global_replace
re state.path
conf.pathlauncher
in
750 "failed to execute `%s': %s\n" command (Printexc.to_string exn
);
756 type 'a t
= | Res
of 'a
| Exn
of exn
;;
759 try Res
(Unix.pipe ())
764 try tempfailureretry Unix.close fd
765 with exn
-> f
(Printexc.to_string exn
)
769 try Res
(tempfailureretry Unix.dup fd
)
774 try Res
(tempfailureretry (Unix.dup2 fd1
) fd2
)
779 let redirectstderr () =
780 let clofail what errmsg
= dolog "failed to close %s: %s" what errmsg
in
781 if conf.redirectstderr
783 match Ne.pipe () with
785 dolog "failed to create stderr redirection pipes: %s"
786 (Printexc.to_string exn
)
789 begin match Ne.dup Unix.stderr
with
791 dolog "failed to dup stderr: %s" (Printexc.to_string exn
);
792 Ne.clo r
(clofail "pipe/r");
793 Ne.clo w
(clofail "pipe/w");
795 | Ne.Res dupstderr
->
796 begin match Ne.dup2 w
Unix.stderr
with
798 dolog "failed to dup2 to stderr: %s"
799 (Printexc.to_string exn
);
800 Ne.clo dupstderr
(clofail "stderr duplicate");
801 Ne.clo r
(clofail "redir pipe/r");
802 Ne.clo w
(clofail "redir pipe/w");
805 state.stderr
<- dupstderr
;
806 state.errfd
<- Some r
;
810 state.newerrmsgs
<- false;
811 begin match state.errfd
with
813 begin match Ne.dup2 state.stderr
Unix.stderr
with
815 dolog "failed to dup2 original stderr: %s"
816 (Printexc.to_string 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";
902 let undertext = function
905 | Ulinkgoto
(pageno
, _
) -> Printf.sprintf
"%s: page %d" state.path
(pageno
+1)
906 | Utext s
-> "font: " ^ s
907 | Uunexpected s
-> "unexpected: " ^ s
908 | Ulaunch s
-> "launch: " ^ s
909 | Unamed s
-> "named: " ^ s
910 | Uremote
(filename
, pageno
) ->
911 Printf.sprintf
"%s: page %d" filename
(pageno
+1)
914 let updateunder x y =
915 match getunder x y with
916 | Unone
-> Wsi.setcursor
Wsi.CURSOR_INHERIT
918 if conf.underinfo
then showtext 'u'
("ri: " ^ uri
);
919 Wsi.setcursor
Wsi.CURSOR_INFO
920 | Ulinkgoto
(pageno
, _
) ->
922 then showtext 'p'
("age: " ^ string_of_int
(pageno
+1));
923 Wsi.setcursor
Wsi.CURSOR_INFO
925 if conf.underinfo
then showtext '
f'
("ont: " ^ s
);
926 Wsi.setcursor
Wsi.CURSOR_TEXT
928 if conf.underinfo
then showtext 'u'
("nexpected: " ^ s
);
929 Wsi.setcursor
Wsi.CURSOR_INHERIT
931 if conf.underinfo
then showtext 'l'
("aunch: " ^ s
);
932 Wsi.setcursor
Wsi.CURSOR_INHERIT
934 if conf.underinfo
then showtext 'n'
("amed: " ^ s
);
935 Wsi.setcursor
Wsi.CURSOR_INHERIT
936 | Uremote
(filename
, pageno
) ->
937 if conf.underinfo
then showtext 'r'
938 (Printf.sprintf
"emote: %s (%d)" filename
(pageno
+1));
939 Wsi.setcursor
Wsi.CURSOR_INFO
942 let showlinktype under
=
948 let s = undertext under
in
953 let b = Buffer.create
(String.length
s + 1) in
954 Buffer.add_string
b s;
959 let colorspace_of_string s =
960 match String.lowercase
s with
964 | _
-> failwith
"invalid colorspace"
967 let int_of_colorspace = function
973 let colorspace_of_int = function
977 | n
-> failwith
("invalid colorspace index " ^ string_of_int n
)
980 let colorspace_to_string = function
986 let intentry_with_suffix text key
=
988 if key
>= 32 && key
< 127
992 match Char.lowercase
c with
994 let text = addchar text c in
998 let text = addchar text c in
1002 state.text <- Printf.sprintf
"invalid char (%d, `%c')" key
c;
1006 let multicolumns_to_string (n
, a
, b) =
1008 then Printf.sprintf
"%d" n
1009 else Printf.sprintf
"%d,%d,%d" n a
b;
1012 let multicolumns_of_string s =
1014 (int_of_string
s, 0, 0)
1016 Scanf.sscanf
s "%u,%u,%u" (fun n a
b ->
1018 then failwith
"subtly broken"; (n
, a
, b)
1024 let n = tempfailureretry (Unix.read fd
s 0) 4 in
1025 if n != 4 then failwith
"incomplete read(len)";
1027 lor (Char.code
s.[0] lsl 24)
1028 lor (Char.code
s.[1] lsl 16)
1029 lor (Char.code
s.[2] lsl 8)
1030 lor (Char.code
s.[3] lsl 0)
1032 let s = String.create
len in
1033 let n = tempfailureretry (Unix.read fd
s 0) len in
1034 if n != len then failwith
"incomplete read(data)";
1038 let btod b = if b then 1 else 0;;
1041 let b = Buffer.create
16 in
1042 Buffer.add_string
b "llll";
1045 let s = Buffer.contents
b in
1046 let n = String.length
s in
1048 (* dolog "wcmd %S" (String.sub s 4 len); *)
1049 s.[0] <- Char.chr
((len lsr 24) land 0xff);
1050 s.[1] <- Char.chr
((len lsr 16) land 0xff);
1051 s.[2] <- Char.chr
((len lsr 8) land 0xff);
1052 s.[3] <- Char.chr
(len land 0xff);
1053 let n'
= tempfailureretry (Unix.write
state.sw
s 0) n in
1054 if n'
!= n then failwith
"write failed";
1059 let d = conf.winh
- h
in
1060 max
conf.interpagespace
((d + 1) / 2)
1063 let rowyh (c, coverA
, coverB
) b n =
1064 if c = 1 || (n < coverA
|| n >= state.pagecount
- coverB
)
1066 let _, _, vy
, (_, _, h
, _) = b.(n) in
1069 let n'
= n - coverA
in
1072 let e = min
state.pagecount
(s + c) in
1073 let rec find m miny maxh
= if m
= e then miny
, maxh
else
1074 let _, _, y, (_, _, h
, _) = b.(m
) in
1075 let miny = min
miny y in
1076 let maxh = max
maxh h
in
1077 find (m
+1) miny maxh
1082 match conf.columns
with
1083 | Cmulti
((_, _, _) as cl
, b) ->
1084 if Array.length
b > 0
1086 let y, h
= rowyh cl
b (Array.length
b - 1) in
1087 y + h
+ (if conf.presentation
then calcips h
else 0)
1090 if Array.length
b > 0
1092 let (_, _, y, (_, _, h
, _)) = b.(Array.length
b - 1) in
1093 y + h
+ (if conf.presentation
then calcips h
else 0)
1096 if Array.length
b > 0
1098 let (_, _, y, (_, _, h
, _)) = b.(Array.length
b - 1) in
1103 let getpageyh pageno
=
1104 let pageno = bound pageno 0 (state.pagecount
-1) in
1105 match conf.columns
with
1107 if Array.length
b = 0
1110 let (_, _, y, (_, _, h
, _)) = b.(pageno) in
1112 if conf.presentation
1118 if Array.length
b = 0
1121 let y, h
= rowyh cl
b pageno in
1123 if conf.presentation
1129 if Array.length
b = 0
1133 let (_, _, y, (_, _, h
, _)) = b.(n) in
1137 let getpagedim pageno =
1140 | (n, _, _, _) as pdim
:: rest
->
1142 then (if n = pageno then pdim
else ppdim
)
1147 f (-1, -1, -1, -1) state.pdims
1150 let getpagey pageno = fst
(getpageyh pageno);;
1152 let nogeomcmds cmds
=
1154 | s, [] -> String.length
s = 0
1159 let ((c, coverA
, coverB
) as cl
), b =
1160 match conf.columns
with
1161 | Csingle
b -> (1, 0, 0), b
1162 | Cmulti
(c, b) -> c, b
1163 | Csplit
(_, b) -> (1, 0, 0), b
1165 if Array.length
b = 0
1168 let rec bsearch nmin nmax
=
1170 then bound nmin
0 (state.pagecount
-1)
1172 let n = (nmax
+ nmin
) / 2 in
1173 let vy, h
= rowyh cl
b n in
1175 if conf.presentation
1177 let ips = calcips h
in
1178 let y0 = vy - ips in
1179 let y1 = vy + h
+ ips in
1183 then 0, vy + h
+ conf.interpagespace
1185 let y0 = vy - conf.interpagespace
in
1186 y0, y0 + h
+ conf.interpagespace
1189 if y >= y0 && y < y1
1196 if n < state.pagecount
- coverB
1197 then ((n-coverA
)/c)*c + coverA
1204 then bsearch (n+1) nmax
1205 else bsearch nmin
(n-1)
1208 let r = bsearch 0 (state.pagecount
-1) in
1212 let layoutN ((columns
, coverA
, coverB
), b) y sh =
1213 let sh = sh - state.hscrollh
in
1214 let rec fold accu
n =
1215 if n = Array.length
b
1218 let pdimno, dx, vy, (_, w
, h
, xoff
) = b.(n) in
1221 || n = state.pagecount
- coverB
1222 || (n - coverA
) mod columns
= columns
- 1)
1228 let pagey = max
0 (y - vy) in
1229 let pagedispy = if pagey > 0 then 0 else vy - y in
1230 let pagedispx, pagex
=
1232 if n = coverA
- 1 || n = state.pagecount
- coverB
1233 then state.x + (conf.winw
- state.scrollw
- w
) / 2
1234 else dx + xoff
+ state.x
1241 let vw = conf.winw
- state.scrollw
- pagedispx in
1242 let pw = w
- pagex
in
1245 let pagevh = min
(h
- pagey) (sh - pagedispy) in
1246 if pagevw > 0 && pagevh > 0
1250 ; pagedimno
= pdimno
1257 ; pagedispx = pagedispx
1258 ; pagedispy = pagedispy
1270 List.rev
(fold [] (page_of_y y));
1273 let layoutS (columns
, b) y sh =
1274 let sh = sh - state.hscrollh
in
1275 let rec fold accu n =
1276 if n = Array.length
b
1279 let pdimno, px, vy, (_, pagew
, pageh
, xoff
) = b.(n) in
1286 let x = xoff
+ state.x in
1287 let pagey = max
0 (y - vy) in
1288 let pagedispy = if pagey > 0 then 0 else vy - y in
1289 let pagedispx, pagex
=
1303 let pagecolw = pagew
/columns
in
1305 if pagecolw < conf.winw
1306 then pagedispx + ((conf.winw
- state.scrollw
- pagecolw) / 2)
1310 let vw = conf.winw
- pagedispx - state.scrollw
in
1311 let pw = pagew
- pagex
in
1314 let pagevw = min
pagevw pagecolw in
1315 let pagevh = min
(pageh
- pagey) (sh - pagedispy) in
1316 if pagevw > 0 && pagevh > 0
1319 { pageno = n/columns
1320 ; pagedimno
= pdimno
1327 ; pagedispx = pagedispx
1328 ; pagedispy = pagedispy
1329 ; pagecol
= n mod columns
1340 List.rev
(fold [] 0)
1344 if nogeomcmds state.geomcmds
1346 match conf.columns
with
1347 | Csingle
b -> layoutN ((1, 0, 0), b) y sh
1348 | Cmulti
c -> layoutN c y sh
1349 | Csplit
s -> layoutS s y sh
1354 let y = state.y + incr
in
1356 let y = min
y (state.maxy
- (if conf.maxhfit
then conf.winh
else 0)) in
1361 let tilex = l
.pagex
mod conf.tilew
in
1362 let tiley = l
.pagey mod conf.tileh
in
1364 let col = l
.pagex
/ conf.tilew
in
1365 let row = l
.pagey / conf.tileh
in
1367 let rec rowloop row y0 dispy h
=
1371 let dh = conf.tileh
- y0 in
1372 let dh = min h
dh in
1373 let rec colloop col x0 dispx w
=
1377 let dw = conf.tilew
- x0 in
1378 let dw = min w
dw in
1380 f col row dispx dispy
x0 y0 dw dh;
1381 colloop (col+1) 0 (dispx
+dw) (w
-dw)
1384 colloop col tilex l
.pagedispx l
.pagevw;
1385 rowloop (row+1) 0 (dispy
+dh) (h
-dh)
1388 if l
.pagevw > 0 && l
.pagevh > 0
1389 then rowloop row tiley l
.pagedispy l
.pagevh;
1392 let gettileopaque l
col row =
1394 l
.pageno, state.gen
, conf.colorspace
, conf.angle
, l
.pagew
, l
.pageh
, col, row
1396 try Some
(Hashtbl.find state.tilemap
key)
1397 with Not_found
-> None
1400 let puttileopaque l
col row gen colorspace angle opaque size elapsed
=
1401 let key = l
.pageno, gen
, colorspace
, angle
, l
.pagew
, l
.pageh
, col, row in
1402 Hashtbl.add
state.tilemap
key (opaque
, size
, elapsed
)
1405 let drawtiles l color
=
1407 let f col row x y tilex tiley w h
=
1408 match gettileopaque l
col row with
1409 | Some
(opaque
, _, t
) ->
1410 let params = x, y, w
, h
, tilex, tiley in
1414 GlFunc.blend_func `zero `one_minus_src_color
;
1416 drawtile
params opaque
;
1418 then Gl.disable `blend
;
1421 let s = Printf.sprintf
1425 let w = measurestr
fstate.fontsize
s in
1426 GlMisc.push_attrib
[`current
];
1427 GlDraw.color
(0.0, 0.0, 0.0);
1429 (float (x-2), float (y-2))
1430 (float (x+2) +. w, float (y + fstate.fontsize
+ 2));
1431 GlDraw.color
(1.0, 1.0, 1.0);
1432 drawstring fstate.fontsize
x (y + fstate.fontsize
- 1) s;
1433 GlMisc.pop_attrib
();
1438 let lw = conf.winw
- state.scrollw
- x in
1441 let lh = conf.winh
- y in
1444 begin match state.texid
with
1446 Gl.enable `texture_2d
;
1447 GlTex.bind_texture `texture_2d id
;
1450 and x1 = float (x+w)
1451 and y1 = float (y+h
) in
1453 let tw = float w /. 16.0
1454 and th
= float h
/. 16.0 in
1455 let tx0 = float tilex /. 16.0
1456 and ty0
= float tiley /. 16.0 in
1458 and ty1
= ty0
+. th
in
1459 GlDraw.begins `quads
;
1460 GlTex.coord2
(tx0, ty0
); GlDraw.vertex2
(x0, y0);
1461 GlTex.coord2
(tx0, ty1
); GlDraw.vertex2
(x0, y1);
1462 GlTex.coord2
(tx1, ty1
); GlDraw.vertex2
(x1, y1);
1463 GlTex.coord2
(tx1, ty0
); GlDraw.vertex2
(x1, y0);
1466 Gl.disable `texture_2d
;
1468 GlDraw.color
(1.0, 1.0, 1.0);
1471 (float (x+w), float (y+h
));
1473 if w > 128 && h
> fstate.fontsize
+ 10
1475 GlDraw.color
(0.0, 0.0, 0.0);
1478 then (col*conf.tilew
, row*conf.tileh
)
1481 drawstring2 fstate.fontsize
x y "Loading %d [%d,%d]" l
.pageno c r;
1488 let pagevisible layout n = List.exists
(fun l
-> l
.pageno = n) layout;;
1490 let tilevisible1 l
x y =
1492 and ax1
= l
.pagex
+ l
.pagevw
1494 and ay1
= l
.pagey + l
.pagevh in
1498 let bx1 = min
(bx0 + conf.tilew
) l
.pagew
1499 and by1
= min
(by0
+ conf.tileh
) l
.pageh
in
1501 let rx0 = max
ax0 bx0
1502 and ry0
= max ay0 by0
1503 and rx1
= min ax1
bx1
1504 and ry1
= min ay1 by1
in
1506 let nonemptyintersection = rx1
> rx0 && ry1
> ry0
in
1507 nonemptyintersection
1510 let tilevisible layout n x y =
1511 let rec findpageinlayout m
= function
1512 | l
:: rest
when l
.pageno = n ->
1513 tilevisible1 l
x y || (
1514 match conf.columns
with
1515 | Csplit
(c, _) when c > m
-> findpageinlayout (m
+1) rest
1518 | _ :: rest
-> findpageinlayout 0 rest
1521 findpageinlayout 0 layout;
1524 let tileready l
x y =
1525 tilevisible1 l
x y &&
1526 gettileopaque l
(x/conf.tilew
) (y/conf.tileh
) != None
1529 let tilepage n p
layout =
1530 let rec loop = function
1534 let f col row _ _ _ _ _ _ =
1535 if state.currently
= Idle
1537 match gettileopaque l
col row with
1540 let x = col*conf.tilew
1541 and y = row*conf.tileh
in
1543 let w = l
.pagew
- x in
1547 let h = l
.pageh
- y in
1552 then getpbo
w h conf.colorspace
1555 wcmd "tile %s %d %d %d %d %s" p
x y w h pbo;
1558 l
, p
, conf.colorspace
, conf.angle
, state.gen
, col, row,
1559 conf.tilew
, conf.tileh
1568 if nogeomcmds state.geomcmds
1572 let preloadlayout y =
1573 let y = if y < conf.winh
then 0 else y - conf.winh
in
1574 let h = conf.winh
*3 in
1579 let rec loop pages
=
1580 if state.currently
!= Idle
1585 begin match getopaque l
.pageno with
1587 wcmd "page %d %d" l
.pageno l
.pagedimno
;
1588 state.currently
<- Loading
(l
, state.gen
);
1590 tilepage l
.pageno opaque pages
;
1595 if nogeomcmds state.geomcmds
1601 if conf.preload && state.currently
= Idle
1602 then load (preloadlayout state.y);
1605 let layoutready layout =
1606 let rec fold all ls
=
1607 all
&& match ls
with
1609 let seen = ref false in
1610 let allvisible = ref true in
1611 let foo col row _ _ _ _ _ _ =
1613 allvisible := !allvisible &&
1614 begin match gettileopaque l
col row with
1620 fold (!seen && !allvisible) rest
1623 let alltilesvisible = fold true layout in
1628 state.wthack
<- false;
1629 let y = bound y 0 state.maxy
in
1630 let y, layout, proceed
=
1631 match conf.maxwait
with
1632 | Some time
when state.ghyll
== noghyll ->
1633 begin match state.throttle
with
1635 let layout = layout y conf.winh
in
1636 let ready = layoutready layout in
1640 state.throttle
<- Some
(layout, y, now ());
1642 else G.postRedisplay "gotoy showall (None)";
1644 | Some
(_, _, started
) ->
1645 let dt = now () -. started
in
1648 state.throttle
<- None
;
1649 let layout = layout y conf.winh
in
1651 G.postRedisplay "maxwait";
1658 let layout = layout y conf.winh
in
1659 G.postRedisplay "gotoy ready";
1665 state.layout <- layout;
1666 begin match state.mode
with
1667 | LinkNav
(Ltexact
(pageno, linkno
)) ->
1668 let rec loop = function
1670 state.mode
<- LinkNav
(Ltgendir
0)
1671 | l
:: _ when l
.pageno = pageno ->
1672 begin match getopaque pageno with
1674 state.mode
<- LinkNav
(Ltgendir
0)
1676 let x0, y0, x1, y1 = getlinkrect opaque linkno
in
1677 if not
(x0 >= l
.pagex
&& x1 <= l
.pagex
+ l
.pagevw
1678 && y0 >= l
.pagey && y1 <= l
.pagey + l
.pagevh)
1679 then state.mode
<- LinkNav
(Ltgendir
0)
1681 | _ :: rest
-> loop rest
1686 begin match state.mode
with
1687 | Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor
) ->
1688 if not
(pagevisible layout pageno)
1690 match state.layout with
1693 state.mode
<- Birdseye
(
1694 conf, leftx
, l
.pageno, hooverpageno
, anchor
1697 | LinkNav
(Ltgendir dir
as lt
) ->
1699 let rec loop = function
1702 match getopaque l
.pageno with
1708 then LDfirstvisible
(l
.pagex
, l
.pagey, dir
)
1710 if dir
> 0 then LDfirst
else LDlast
1716 | Lnotfound
-> loop rest
1718 showlinktype (getlink opaque
n);
1719 Ltexact
(l
.pageno, n)
1723 state.mode
<- LinkNav
linknav
1728 state.ghyll
<- noghyll;
1731 let mx, my
= state.mpos
in
1736 let conttiling pageno opaque
=
1737 tilepage pageno opaque
1738 (if conf.preload then preloadlayout state.y else state.layout)
1741 let gotoy_and_clear_text y =
1742 if not
conf.verbose
then state.text <- "";
1748 let coloff = l
.pagecol
* l
.pageh
in
1749 float (l
.pagey + coloff) /. float l
.pageh
1756 if conf.presentation
1757 then float l
.pagedispy /. float (calcips l
.pageh
)
1758 else float l
.pagedispy /. float conf.interpagespace
1760 (l
.pageno, top, dtop)
1764 match state.layout with
1765 | l
:: _ -> getanchor1 l
1767 let n = page_of_y state.y in
1771 let y, h = getpageyh n in
1772 let dy = y - state.y in
1774 if conf.presentation
1776 let ips = calcips h in
1777 float (dy + ips) /. float ips
1779 float dy /. float conf.interpagespace
1784 let getanchory (n, top, dtop) =
1785 let y, h = getpageyh n in
1786 if conf.presentation
1788 let ips = calcips h in
1789 y + truncate
(top*.float h -. dtop*.float ips) + ips;
1791 y + truncate
(top*.float h -. dtop*.float conf.interpagespace
)
1794 let gotoanchor anchor
=
1795 gotoy (getanchory anchor
);
1799 cbput state.hists
.nav
(getanchor ());
1803 let anchor = cbgetc state.hists
.nav dir
in
1808 let scroll f n a
b =
1809 (* http://devmaster.net/forums/topic/9796-ease-in-ease-out-algorithm/ *)
1811 let s x = 3.0*.x**2.0 -. 2.0*.x**3.0 in
1813 then s (float f /. float a
)
1816 then 1.0 -. s ((float (f-b) /. float (n-b)))
1823 http://integrals.wolfram.com/index.jsp?expr=3x%5E2-2x%5E3&random=false *)
1824 let iv x = -.((-.2.0 +. x)*.x**3.0)/.2.0 in
1826 let ins = float a
*. iv1
1827 and outs
= float (n-b) *. iv1 in
1829 ins +. outs
+. float ones
1831 let rec set (_N
, _A
, _B
) y sy
=
1832 let sum = summa
1.0 _N _A _B
in
1833 let dy = float (y - sy
) in
1837 then state.ghyll
<- noghyll
1840 let s = scroll n _N _A _B
in
1841 let y1 = y1 +. ((s *. dy) /. sum) in
1842 gotoy_and_clear_text (truncate
y1);
1843 state.ghyll
<- gf (n+1) y1;
1847 | Some
y'
-> set (_N
/2, 1, 1) y'
state.y
1849 gf 0 (float state.y)
1852 match conf.ghyllscroll
with
1854 gotoy_and_clear_text y
1856 if state.ghyll
== noghyll
1857 then set nab
y state.y
1858 else state.ghyll
(Some
y)
1861 let gotopage n top =
1862 let y, h = getpageyh n in
1863 let y = y + (truncate
(top *. float h)) in
1867 let gotopage1 n top =
1868 let y = getpagey n in
1873 let invalidate s f =
1878 match state.geomcmds
with
1879 | ps
, [] when String.length ps
= 0 ->
1881 state.geomcmds
<- s, [];
1884 state.geomcmds
<- ps
, [s, f];
1886 | ps
, (s'
, _) :: rest
when s'
= s ->
1887 state.geomcmds
<- ps
, ((s, f) :: rest
);
1890 state.geomcmds
<- ps
, ((s, f) :: cmds
);
1894 Hashtbl.iter
(fun _ opaque
->
1895 wcmd "freepage %s" opaque
;
1897 Hashtbl.clear
state.pagemap
;
1900 let opendoc path password
=
1902 state.password
<- password
;
1903 state.gen
<- state.gen
+ 1;
1904 state.docinfo
<- [];
1907 setaalevel
conf.aalevel
;
1908 Wsi.settitle
("llpp " ^
(mbtoutf8
(Filename.basename path
)));
1909 wcmd "open %d %s\000%s\000" (btod state.wthack
) path password
;
1910 invalidate "reqlayout"
1912 wcmd "reqlayout %d %d %s\000"
1913 conf.angle
(btod conf.proportional
) state.nameddest
;
1918 state.anchor <- getanchor ();
1919 state.wthack
<- !wtmode;
1920 opendoc state.path
state.password
;
1924 let c = c *. conf.colorscale
in
1928 let scalecolor2 (r, g, b) =
1929 (r *. conf.colorscale
, g *. conf.colorscale
, b *. conf.colorscale
);
1932 let docolumns = function
1934 let a = Array.make
state.pagecount
(-1, -1, -1, (-1, -1, -1, -1)) in
1935 let rec loop pageno pdimno pdim
y ph pdims
=
1936 if pageno = state.pagecount
1939 let pdimno, ((_, w, h, xoff
) as pdim
), pdims
=
1941 | ((pageno'
, _, _, _) as pdim
) :: rest
when pageno'
= pageno ->
1942 pdimno+1, pdim
, rest
1946 let x = max
0 (((conf.winw
- state.scrollw
- w) / 2) - xoff
) in
1948 (if conf.presentation
1949 then (if pageno = 0 then calcips h else calcips ph
+ calcips h)
1950 else (if pageno = 0 then 0 else conf.interpagespace
)
1953 a.(pageno) <- (pdimno, x, y, pdim
);
1954 loop (pageno+1) pdimno pdim
(y + h) h pdims
1956 loop 0 ~
-1 (-1,-1,-1,-1) 0 0 state.pdims
;
1957 conf.columns
<- Csingle
a;
1959 | Cmulti
((columns
, coverA
, coverB
), _) ->
1960 let a = Array.make
state.pagecount
(-1, -1, -1, (-1, -1, -1, -1)) in
1961 let rec loop pageno pdimno pdim
x y rowh pdims
=
1962 let rec fixrow m
= if m
= pageno then () else
1963 let (pdimno, x, y, ((_, _, h, _) as pdim
)) = a.(m
) in
1966 let y = y + (rowh
- h) / 2 in
1967 a.(m
) <- (pdimno, x, y, pdim
);
1971 if pageno = state.pagecount
1972 then fixrow (((pageno - 1) / columns
) * columns
)
1974 let pdimno, ((_, w, h, xoff
) as pdim
), pdims
=
1976 | ((pageno'
, _, _, _) as pdim
) :: rest
when pageno'
= pageno ->
1977 pdimno+1, pdim
, rest
1982 if pageno = coverA
- 1 || pageno = state.pagecount
- coverB
1984 let x = (conf.winw
- state.scrollw
- w) / 2 in
1986 if conf.presentation
then calcips h else conf.interpagespace
in
1987 x, y + ips + rowh
, h
1990 if (pageno - coverA
) mod columns
= 0
1992 let x = max
0 (conf.winw
- state.scrollw
- state.w) / 2 in
1994 if conf.presentation
1996 let ips = calcips h in
1997 y + (if pageno = 0 then 0 else calcips rowh
+ ips)
1999 y + (if pageno = 0 then 0 else conf.interpagespace
)
2003 else x, y, max rowh
h
2007 if pageno > 1 && (pageno - coverA
) mod columns
= 0
2010 if pageno = columns
&& conf.presentation
2012 let ips = calcips rowh
in
2013 for i
= 0 to pred columns
2015 let (pdimno, x, y, pdim
) = a.(i
) in
2016 a.(i
) <- (pdimno, x, y+ips, pdim
)
2022 fixrow (pageno - columns
);
2027 a.(pageno) <- (pdimno, x, y, pdim
);
2028 let x = x + w + xoff
*2 + conf.interpagespace
in
2029 loop (pageno+1) pdimno pdim
x y rowh' pdims
2031 loop 0 ~
-1 (-1,-1,-1,-1) 0 0 0 state.pdims
;
2032 conf.columns
<- Cmulti
((columns
, coverA
, coverB
), a);
2035 let a = Array.make
(state.pagecount
*c) (-1, -1, -1, (-1, -1, -1, -1)) in
2036 let rec loop pageno pdimno pdim
y pdims
=
2037 if pageno = state.pagecount
2040 let pdimno, ((_, w, h, _) as pdim
), pdims
=
2042 | ((pageno'
, _, _, _) as pdim
) :: rest
when pageno'
= pageno ->
2043 pdimno+1, pdim
, rest
2048 let rec loop1 n x y =
2049 if n = c then y else (
2050 a.(pageno*c + n) <- (pdimno, x, y, pdim
);
2051 loop1 (n+1) (x+cw) (y + h + conf.interpagespace
)
2054 let y = loop1 0 0 y in
2055 loop (pageno+1) pdimno pdim
y pdims
2057 loop 0 ~
-1 (-1,-1,-1,-1) 0 state.pdims
;
2058 conf.columns
<- Csplit
(c, a);
2062 docolumns conf.columns
;
2063 state.maxy
<- calcheight ();
2065 if state.w <= conf.winw
- state.scrollw
2069 let wthack = state.wthack in
2070 begin match state.mode
with
2071 | Birdseye
(_, _, pageno, _, _) ->
2072 let y, h = getpageyh pageno in
2073 let top = (conf.winh
- h) / 2 in
2074 gotoy (max
0 (y - top))
2075 | _ -> gotoanchor state.anchor
2077 state.wthack <- wthack;
2081 state.wthack <- false;
2082 GlDraw.viewport
0 0 w h;
2083 let firsttime = state.geomcmds
== firstgeomcmds in
2084 if not
firsttime && nogeomcmds state.geomcmds
2085 then state.anchor <- getanchor ();
2088 let w = truncate
(float w *. conf.zoom
) - state.scrollw
in
2091 setfontsize fstate.fontsize
;
2092 GlMat.mode `modelview
;
2093 GlMat.load_identity
();
2095 GlMat.mode `projection
;
2096 GlMat.load_identity
();
2097 GlMat.rotate ~
x:1.0 ~angle
:180.0 ();
2098 GlMat.translate ~
x:~
-.1.0 ~
y:~
-.1.0 ();
2099 GlMat.scale3
(2.0 /. float conf.winw
, 2.0 /. float conf.winh
, 1.0);
2104 else float state.x /. float state.w
2106 invalidate "geometry"
2110 then state.x <- truncate
(relx *. float w);
2112 match conf.columns
with
2114 | Cmulti
((c, _, _), _) -> (w - (c-1)*conf.interpagespace
) / c
2115 | Csplit
(c, _) -> w * c
2117 wcmd "geometry %d %d" w h);
2121 let len = String.length
state.text in
2124 match state.mode
with
2127 let h, _, _ = state.uioh#scrollpw
in
2133 (x, float (conf.winh
- (fstate.fontsize
+ 4) - hscrollh))
2134 (x+.w, float (conf.winh
- hscrollh))
2137 let w = float (conf.winw
- state.scrollw
- 1) in
2138 if state.progress
>= 0.0 && state.progress
< 1.0
2140 GlDraw.color
(0.3, 0.3, 0.3);
2141 let w1 = w *. state.progress
in
2143 GlDraw.color
(0.0, 0.0, 0.0);
2147 GlDraw.color
(0.0, 0.0, 0.0);
2151 GlDraw.color
(1.0, 1.0, 1.0);
2152 drawstring fstate.fontsize
2153 (if len > 0 then 8 else 2) (conf.winh
- hscrollh - 5) s;
2156 match state.mode
with
2157 | Textentry
((prefix
, text, _, _, _, _), _) ->
2161 Printf.sprintf
"%s%s_ [%s]" prefix
text state.text
2163 Printf.sprintf
"%s%s_" prefix
text
2172 if not
(istextentry state.mode
)
2174 let s1 = "(press 'e' to review error messasges)" in
2175 if String.length
s > 0 then s ^
" " ^
s1 else s1
2180 if String.length
s > 0
2185 let len = Queue.length
state.tilelru
in
2187 match state.throttle
with
2190 then preloadlayout state.y
2192 | Some
(layout, _, _) ->
2196 if state.memused
<= conf.memlimit
2201 let (k
, p
, s) as lruitem
= Queue.pop
state.tilelru
in
2202 let n, gen
, colorspace
, angle
, pagew
, pageh
, col, row = k
in
2203 let (_, pw, ph
, _) = getpagedim n in
2206 && colorspace
= conf.colorspace
2207 && angle
= conf.angle
2211 let x = col*conf.tilew
2212 and y = row*conf.tileh
in
2213 tilevisible (Lazy.force_val
layout) n x y
2215 then Queue.push lruitem
state.tilelru
2218 wcmd "freetile %s" p
;
2219 state.memused
<- state.memused
- s;
2220 state.uioh#infochanged Memused
;
2221 Hashtbl.remove
state.tilemap k
;
2230 Queue.iter
(fun (k
, p
, s) ->
2231 wcmd "freetile %s" p
;
2232 state.memused
<- state.memused
- s;
2233 state.uioh#infochanged Memused
;
2234 Hashtbl.remove
state.tilemap k
;
2236 Queue.clear
state.tilelru
;
2240 let logcurrently = function
2241 | Idle
-> dolog "Idle"
2242 | Loading
(l
, gen
) ->
2243 dolog "Loading %d gen=%d curgen=%d" l
.pageno gen
state.gen
2244 | Tiling
(l
, pageopaque
, colorspace
, angle
, gen
, col, row, tilew
, tileh
) ->
2246 "Tiling %d[%d,%d] page=%s cs=%s angle"
2247 l
.pageno col row pageopaque
2248 (colorspace_to_string colorspace
)
2250 dolog "gen=(%d,%d) (%d,%d) tile=(%d,%d) (%d,%d)"
2251 angle gen
conf.angle
state.gen
2253 conf.tilew
conf.tileh
2260 let r = Str.regexp
" " in
2261 fun s -> Str.bounded_split
r s 2;
2265 (* dolog "%S" cmds; *)
2266 let cl = splitatspace cmds
in
2268 try Scanf.sscanf
s fmt
f
2270 dolog "error processing '%S': %s" cmds
(Printexc.to_string exn
);
2275 state.uioh#infochanged Pdim
;
2278 | "clearrects" :: [] ->
2279 state.rects
<- state.rects1
;
2280 G.postRedisplay "clearrects";
2282 | "continue" :: args :: [] ->
2283 let n = scan args "%u" (fun n -> n) in
2284 state.pagecount
<- n;
2285 begin match state.currently
with
2287 state.currently
<- Idle
;
2288 state.outlines
<- Array.of_list
(List.rev l
)
2292 let cur, cmds
= state.geomcmds
in
2293 if String.length
cur = 0
2294 then failwith
"umpossible";
2296 begin match List.rev cmds
with
2298 state.geomcmds
<- "", [];
2302 state.geomcmds
<- s, List.rev rest
;
2304 if conf.maxwait
= None
2305 then G.postRedisplay "continue";
2307 | "title" :: args :: [] ->
2310 | "msg" :: args :: [] ->
2313 | "vmsg" :: args :: [] ->
2315 then showtext ' '
args
2317 | "emsg" :: args :: [] ->
2318 Buffer.add_string
state.errmsgs
args;
2319 state.newerrmsgs
<- true;
2320 G.postRedisplay "error message"
2322 | "progress" :: args :: [] ->
2323 let progress, text =
2326 f, String.sub
args pos
(String.length
args - pos
))
2329 state.progress <- progress;
2330 G.postRedisplay "progress"
2332 | "firstmatch" :: args :: [] ->
2333 let pageno, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
=
2334 scan args "%u %d %f %f %f %f %f %f %f %f"
2335 (fun p
c x0 y0 x1 y1 x2 y2 x3 y3
->
2336 (p
, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
))
2338 let y = (getpagey pageno) + truncate
y0 in
2341 state.rects1
<- [pageno, c, (x0, y0, x1, y1, x2
, y2
, x3
, y3
)]
2343 | "match" :: args :: [] ->
2344 let pageno, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
=
2345 scan args "%u %d %f %f %f %f %f %f %f %f"
2346 (fun p
c x0 y0 x1 y1 x2 y2 x3 y3
->
2347 (p
, c, x0, y0, x1, y1, x2
, y2
, x3
, y3
))
2350 (pageno, c, (x0, y0, x1, y1, x2
, y2
, x3
, y3
)) :: state.rects1
2352 | "page" :: args :: [] ->
2353 let pageopaque, t
= scan args "%s %f" (fun p t
-> p
, t
) in
2354 begin match state.currently
with
2355 | Loading
(l
, gen
) ->
2356 vlog "page %d took %f sec" l
.pageno t
;
2357 Hashtbl.replace
state.pagemap
(l
.pageno, gen
) pageopaque;
2358 begin match state.throttle
with
2360 let preloadedpages =
2362 then preloadlayout state.y
2367 Set.Make
(struct type t
= int let compare = (-) end) in
2369 List.fold_left
(fun s l
-> IntSet.add l
.pageno s)
2370 IntSet.empty
preloadedpages
2373 Hashtbl.fold (fun ((pageno, _) as key) opaque
accu ->
2374 if not
(IntSet.mem
pageno set)
2376 wcmd "freepage %s" opaque
;
2382 List.iter
(Hashtbl.remove
state.pagemap
) evictedpages;
2385 state.currently
<- Idle
;
2388 tilepage l
.pageno pageopaque state.layout;
2390 load preloadedpages;
2391 if pagevisible state.layout l
.pageno
2392 && layoutready state.layout
2393 then G.postRedisplay "page";
2396 | Some
(layout, _, _) ->
2397 state.currently
<- Idle
;
2398 tilepage l
.pageno pageopaque layout;
2403 dolog "Inconsistent loading state";
2404 logcurrently state.currently
;
2408 | "tile" :: args :: [] ->
2409 let (x, y, opaque
, size
, t
) =
2410 scan args "%u %u %s %u %f"
2411 (fun x y p size t
-> (x, y, p
, size
, t
))
2413 begin match state.currently
with
2414 | Tiling
(l
, pageopaque, cs
, angle
, gen
, col, row, tilew
, tileh
) ->
2415 vlog "tile %d [%d,%d] took %f sec" l
.pageno col row t
;
2418 if tilew
!= conf.tilew
|| tileh
!= conf.tileh
2420 wcmd "freetile %s" opaque
;
2421 state.currently
<- Idle
;
2425 puttileopaque l
col row gen cs angle opaque size t
;
2426 state.memused
<- state.memused
+ size
;
2427 state.uioh#infochanged Memused
;
2429 Queue.push
((l
.pageno, gen
, cs
, angle
, l
.pagew
, l
.pageh
, col, row),
2430 opaque
, size
) state.tilelru
;
2433 match state.throttle
with
2434 | None
-> state.layout
2435 | Some
(layout, _, _) -> layout
2438 state.currently
<- Idle
;
2440 && conf.colorspace
= cs
2441 && conf.angle
= angle
2442 && tilevisible layout l
.pageno x y
2443 then conttiling l
.pageno pageopaque;
2445 begin match state.throttle
with
2448 then state.wthack <- not
(layoutready state.layout);
2449 preload state.layout;
2451 && conf.colorspace
= cs
2452 && conf.angle
= angle
2453 && tilevisible state.layout l
.pageno x y
2454 then G.postRedisplay "tile nothrottle";
2456 | Some
(layout, y, _) ->
2457 let ready = layoutready layout in
2460 state.wthack <- false;
2462 state.layout <- layout;
2463 state.throttle
<- None
;
2464 G.postRedisplay "throttle";
2471 dolog "Inconsistent tiling state";
2472 logcurrently state.currently
;
2476 | "pdim" :: args :: [] ->
2478 scan args "%u %u %u %u" (fun n w h x -> n, w, h, x)
2480 state.uioh#infochanged Pdim
;
2481 state.pdims
<- pdim :: state.pdims
2483 | "o" :: args :: [] ->
2484 let (l
, n, t
, h, pos
) =
2485 scan args "%u %u %d %u %n"
2486 (fun l
n t
h pos
-> l
, n, t
, h, pos
)
2488 let s = String.sub
args pos
(String.length
args - pos
) in
2489 let outline = (s, l
, (n, float t
/. float h, 0.0)) in
2490 begin match state.currently
with
2491 | Outlining outlines
->
2492 state.currently
<- Outlining
(outline :: outlines
)
2494 state.currently
<- Outlining
[outline]
2496 dolog "invalid outlining state";
2497 logcurrently currently
2500 | "a" :: args :: [] ->
2502 scan args "%u %u %d" (fun n t
h -> n, t
, h)
2505 if conf.presentation
2507 else float t
/. float h, 0.0
2509 state.anchor <- (n, top, dtop)
2511 | "info" :: args :: [] ->
2512 state.docinfo
<- (1, args) :: state.docinfo
2514 | "infoend" :: [] ->
2515 state.uioh#infochanged Docinfo
;
2516 state.docinfo
<- List.rev
state.docinfo
2519 failwith
(Printf.sprintf
"unknown cmd `%S'" cmds
)
2524 let action = function
2525 | HCprev
-> cbget cb ~
-1
2526 | HCnext
-> cbget cb
1
2527 | HCfirst
-> cbget cb ~
-(cb
.rc)
2528 | HClast
-> cbget cb
(cb
.len - 1 - cb
.rc)
2529 and cancel
() = cb
.rc <- rc
2533 let search pattern forward
=
2534 if String.length pattern
> 0
2537 match state.layout with
2540 l
.pageno, (l
.pagey + if forward
then 0 else 0*l
.pagevh)
2542 wcmd "search %d %d %d %d,%s\000"
2543 (btod conf.icase
) pn py
(btod forward
) pattern
;
2546 let intentry text key =
2548 if key >= 32 && key < 127
2554 let text = addchar text c in
2558 state.text <- Printf.sprintf
"invalid char (%d, `%c')" key c;
2562 let linknentry text key =
2564 if key >= 32 && key < 127
2570 let text = addchar text c in
2574 state.text <- Printf.sprintf
"invalid char (%d, `%c')" key c;
2579 if String.length
s > 0
2582 let l = String.length
s in
2583 let rec loop pos
n = if pos
= l then n else
2584 let m = Char.code
s.[pos
] - (if pos
= 0 && l > 1 then 96 else 97) in
2585 loop (pos
+1) (n*26 + m)
2588 let rec loop n = function
2591 match getopaque l.pageno with
2592 | None
-> loop n rest
2594 let m = getlinkcount opaque
in
2597 let under = getlink opaque
n in
2600 else loop (n-m) rest
2602 loop n state.layout;
2606 let textentry text key =
2607 if key land 0xff00 = 0xff00
2609 else TEcont
(text ^
Wsi.toutf8
key)
2612 let reqlayout angle proportional
=
2613 match state.throttle
with
2615 if nogeomcmds state.geomcmds
2616 then state.anchor <- getanchor ();
2617 conf.angle
<- angle
mod 360;
2620 match state.mode
with
2621 | LinkNav
_ -> state.mode
<- View
2624 conf.proportional
<- proportional
;
2625 invalidate "reqlayout"
2626 (fun () -> wcmd "reqlayout %d %d" conf.angle
(btod proportional
));
2630 let settrim trimmargins trimfuzz
=
2631 if nogeomcmds state.geomcmds
2632 then state.anchor <- getanchor ();
2633 conf.trimmargins
<- trimmargins
;
2634 conf.trimfuzz
<- trimfuzz
;
2635 let x0, y0, x1, y1 = trimfuzz
in
2636 invalidate "settrim"
2638 wcmd "settrim %d %d %d %d %d" (btod conf.trimmargins
) x0 y0 x1 y1);
2643 match state.throttle
with
2645 let zoom = max
0.01 zoom in
2646 if zoom <> conf.zoom
2648 state.prevzoom
<- conf.zoom;
2650 reshape conf.winw
conf.winh
;
2651 state.text <- Printf.sprintf
"zoom is now %-5.1f" (zoom *. 100.0);
2654 | Some
(layout, y, started
) ->
2656 match conf.maxwait
with
2660 let dt = now () -. started
in
2668 let setcolumns mode columns coverA coverB
=
2669 state.prevcolumns
<- Some
(conf.columns
, conf.zoom);
2673 then showtext '
!'
"split mode doesn't work in bird's eye"
2675 conf.columns
<- Csplit
(-columns
, [||]);
2683 conf.columns
<- Csingle
[||];
2688 conf.columns
<- Cmulti
((columns
, coverA
, coverB
), [||]);
2692 reshape conf.winw
conf.winh
;
2695 let enterbirdseye () =
2696 let zoom = float conf.thumbw
/. float conf.winw
in
2697 let birdseyepageno =
2698 let cy = conf.winh
/ 2 in
2702 let rec fold best
= function
2705 let d = cy - (l.pagedispy + l.pagevh/2)
2706 and dbest
= cy - (best
.pagedispy + best
.pagevh/2) in
2707 if abs
d < abs dbest
2714 state.mode
<- Birdseye
(
2715 { conf with zoom = conf.zoom }, state.x, birdseyepageno, -1, getanchor ()
2718 conf.presentation
<- false;
2719 conf.interpagespace
<- 10;
2720 conf.hlinks
<- false;
2722 state.mstate
<- Mnone
;
2723 conf.maxwait
<- None
;
2725 match conf.beyecolumns
with
2728 Cmulti
((c, 0, 0), [||])
2729 | None
-> Csingle
[||]
2731 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
2734 state.text <- Printf.sprintf
"birds eye mode on (zoom %3.1f%%)"
2739 reshape conf.winw
conf.winh
;
2742 let leavebirdseye (c, leftx
, pageno, _, anchor) goback
=
2744 conf.zoom <- c.zoom;
2745 conf.presentation
<- c.presentation
;
2746 conf.interpagespace
<- c.interpagespace
;
2747 conf.maxwait
<- c.maxwait
;
2748 conf.hlinks
<- c.hlinks
;
2749 conf.beyecolumns
<- (
2750 match conf.columns
with
2751 | Cmulti
((c, _, _), _) -> Some
c
2753 | Csplit
_ -> failwith
"leaving bird's eye split mode"
2756 match c.columns
with
2757 | Cmulti
(c, _) -> Cmulti
(c, [||])
2758 | Csingle
_ -> Csingle
[||]
2759 | Csplit
(c, _) -> Csplit
(c, [||])
2764 state.text <- Printf.sprintf
"birds eye mode off (zoom %3.1f%%)"
2767 reshape conf.winw
conf.winh
;
2768 state.anchor <- if goback
then anchor else (pageno, 0.0, 1.0);
2771 let togglebirdseye () =
2772 match state.mode
with
2773 | Birdseye vals
-> leavebirdseye vals
true
2774 | View
-> enterbirdseye ()
2778 let upbirdseye incr
(conf, leftx
, pageno, hooverpageno
, anchor) =
2779 let pageno = max
0 (pageno - incr
) in
2780 let rec loop = function
2781 | [] -> gotopage1 pageno 0
2782 | l :: _ when l.pageno = pageno ->
2783 if l.pagedispy >= 0 && l.pagey = 0
2784 then G.postRedisplay "upbirdseye"
2785 else gotopage1 pageno 0
2786 | _ :: rest
-> loop rest
2789 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor)
2792 let downbirdseye incr
(conf, leftx
, pageno, hooverpageno
, anchor) =
2793 let pageno = min
(state.pagecount
- 1) (pageno + incr
) in
2794 state.mode
<- Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor);
2795 let rec loop = function
2797 let y, h = getpageyh pageno in
2798 let dy = (y - state.y) - (conf.winh
- h - conf.interpagespace
) in
2800 | l :: _ when l.pageno = pageno ->
2801 if l.pagevh != l.pageh
2802 then gotoy (clamp (l.pageh
- l.pagevh + conf.interpagespace
))
2803 else G.postRedisplay "downbirdseye"
2804 | _ :: rest
-> loop rest
2809 let optentry mode
_ key =
2810 let btos b = if b then "on" else "off" in
2811 if key >= 32 && key < 127
2813 let c = Char.chr
key in
2817 try conf.scrollstep
<- int_of_string
s with exc
->
2818 state.text <- Printf.sprintf
"bad integer `%s': %s"
2819 s (Printexc.to_string exc
)
2821 TEswitch
("scroll step: ", "", None
, intentry, ondone, true)
2826 conf.autoscrollstep
<- int_of_string
s;
2827 if state.autoscroll
<> None
2828 then state.autoscroll
<- Some
conf.autoscrollstep
2830 state.text <- Printf.sprintf
"bad integer `%s': %s"
2831 s (Printexc.to_string exc
)
2833 TEswitch
("auto scroll step: ", "", None
, intentry, ondone, true)
2838 let n, a, b = multicolumns_of_string s in
2839 setcolumns mode
n a b;
2841 state.text <- Printf.sprintf
"bad columns `%s': %s"
2842 s (Printexc.to_string exc
)
2844 TEswitch
("columns: ", "", None
, textentry, ondone, true)
2849 let zoom = float (int_of_string
s) /. 100.0 in
2852 state.text <- Printf.sprintf
"bad integer `%s': %s"
2853 s (Printexc.to_string exc
)
2855 TEswitch
("zoom: ", "", None
, intentry, ondone, true)
2860 conf.thumbw
<- bound (int_of_string
s) 2 4096;
2862 Printf.sprintf
"thumbnail width is set to %d" conf.thumbw
;
2863 begin match mode
with
2865 leavebirdseye beye
false;
2870 state.text <- Printf.sprintf
"bad integer `%s': %s"
2871 s (Printexc.to_string exc
)
2873 TEswitch
("thumbnail width: ", "", None
, intentry, ondone, true)
2878 Some
(int_of_string
s)
2880 state.text <- Printf.sprintf
"bad integer `%s': %s"
2881 s (Printexc.to_string exc
);
2884 | Some angle
-> reqlayout angle
conf.proportional
2887 TEswitch
("rotation: ", "", None
, intentry, ondone, true)
2890 conf.icase
<- not
conf.icase
;
2891 TEdone
("case insensitive search " ^
(btos conf.icase
))
2894 conf.preload <- not
conf.preload;
2896 TEdone
("preload " ^
(btos conf.preload))
2899 conf.verbose
<- not
conf.verbose
;
2900 TEdone
("verbose " ^
(btos conf.verbose
))
2903 conf.debug
<- not
conf.debug
;
2904 TEdone
("debug " ^
(btos conf.debug
))
2907 conf.maxhfit
<- not
conf.maxhfit
;
2908 state.maxy
<- calcheight ();
2909 TEdone
("maxhfit " ^
(btos conf.maxhfit
))
2912 conf.crophack
<- not
conf.crophack
;
2913 TEdone
("crophack " ^
btos conf.crophack
)
2917 match conf.maxwait
with
2919 conf.maxwait
<- Some infinity
;
2920 "always wait for page to complete"
2922 conf.maxwait
<- None
;
2923 "show placeholder if page is not ready"
2928 conf.underinfo
<- not
conf.underinfo
;
2929 TEdone
("underinfo " ^
btos conf.underinfo
)
2932 conf.savebmarks
<- not
conf.savebmarks
;
2933 TEdone
("persistent bookmarks " ^
btos conf.savebmarks
)
2939 match state.layout with
2944 conf.interpagespace
<- int_of_string
s;
2945 docolumns conf.columns
;
2946 state.maxy
<- calcheight ();
2947 let y = getpagey pageno in
2950 state.text <- Printf.sprintf
"bad integer `%s': %s"
2951 s (Printexc.to_string exc
)
2953 TEswitch
("vertical margin: ", "", None
, intentry, ondone, true)
2956 reqlayout conf.angle
(not
conf.proportional
);
2957 TEdone
("proportional display " ^
btos conf.proportional
)
2960 settrim (not
conf.trimmargins
) conf.trimfuzz
;
2961 TEdone
("trim margins " ^
btos conf.trimmargins
)
2964 conf.invert
<- not
conf.invert
;
2965 TEdone
("invert colors " ^
btos conf.invert
)
2969 cbput state.hists
.sel
s;
2972 TEswitch
("selection command: ", "", Some
(onhist state.hists
.sel
),
2973 textentry, ondone, true)
2976 state.text <- Printf.sprintf
"bad option %d `%c'" key c;
2982 class type lvsource
= object
2983 method getitemcount
: int
2984 method getitem
: int -> (string * int)
2985 method hasaction
: int -> bool
2994 method getactive
: int
2995 method getfirst
: int
2996 method getqsearch
: string
2997 method setqsearch
: string -> unit
3001 class virtual lvsourcebase
= object
3002 val mutable m_active
= 0
3003 val mutable m_first
= 0
3004 val mutable m_qsearch
= ""
3005 val mutable m_pan
= 0
3006 method getactive
= m_active
3007 method getfirst
= m_first
3008 method getqsearch
= m_qsearch
3009 method getpan
= m_pan
3010 method setqsearch
s = m_qsearch
<- s
3013 let withoutlastutf8 s =
3014 let len = String.length
s in
3022 let b = Char.code
s.[pos
] in
3023 if b land 0b11000000 = 0b11000000
3028 if Char.code
s.[len-1] land 0x80 = 0
3032 String.sub
s 0 first;
3035 let textentrykeyboard
3036 key _mask
((c, text, opthist
, onkey
, ondone, cancelonempty
), onleave
) =
3038 if key >= 0xffb0 && key <= 0xffb9
3039 then key - 0xffb0 + 48 else key
3042 state.mode
<- Textentry
(te
, onleave
);
3045 G.postRedisplay "textentrykeyboard enttext";
3047 let histaction cmd
=
3050 | Some
(action, _) ->
3051 state.mode
<- Textentry
(
3052 (c, action cmd
, opthist
, onkey
, ondone, cancelonempty
), onleave
3054 G.postRedisplay "textentry histaction"
3057 | 0xff08 -> (* backspace *)
3058 let s = withoutlastutf8 text in
3059 let len = String.length
s in
3060 if cancelonempty
&& len = 0
3063 G.postRedisplay "textentrykeyboard after cancel";
3066 enttext (c, s, opthist
, onkey
, ondone, cancelonempty
)
3069 | 0xff0d | 0xff8d -> (* (kp) enter *)
3072 G.postRedisplay "textentrykeyboard after confirm"
3074 | 0xff52 | 0xff97 -> histaction HCprev
(* (kp) up *)
3075 | 0xff54 | 0xff99 -> histaction HCnext
(* (kp) down *)
3076 | 0xff50 | 0xff95 -> histaction HCfirst
(* (kp) home) *)
3077 | 0xff57 | 0xff9c -> histaction HClast
(* (kp) end *)
3079 | 0xff1b -> (* escape*)
3080 if String.length
text = 0
3082 begin match opthist
with
3084 | Some
(_, onhistcancel
) -> onhistcancel
()
3088 G.postRedisplay "textentrykeyboard after cancel2"
3091 enttext (c, "", opthist
, onkey
, ondone, cancelonempty
)
3094 | 0xff9f | 0xffff -> () (* delete *)
3097 && key land 0xff00 != 0xff00 (* keyboard *)
3098 && key land 0xfe00 != 0xfe00 (* xkb *)
3099 && key land 0xfd00 != 0xfd00 (* 3270 *)
3101 begin match onkey
text key with
3105 G.postRedisplay "textentrykeyboard after confirm2";
3108 enttext (c, text, opthist
, onkey
, ondone, cancelonempty
);
3112 G.postRedisplay "textentrykeyboard after cancel3"
3115 state.mode
<- Textentry
(te
, onleave
);
3116 G.postRedisplay "textentrykeyboard switch";
3120 vlog "unhandled key %s" (Wsi.keyname
key)
3123 let firstof first active
=
3124 if first > active
|| abs
(first - active
) > fstate.maxrows
- 1
3125 then max
0 (active
- (fstate.maxrows
/2))
3129 let calcfirst first active
=
3132 let rows = active
- first in
3133 if rows > fstate.maxrows
then active
- fstate.maxrows
else first
3137 let scrollph y maxy
=
3138 let sh = (float (maxy
+ conf.winh
) /. float conf.winh
) in
3139 let sh = float conf.winh
/. sh in
3140 let sh = max
sh (float conf.scrollh
) in
3145 else float y /. float maxy
3147 let position = (float conf.winh
-. sh) *. percent in
3150 if position +. sh > float conf.winh
3151 then float conf.winh
-. sh
3157 let coe s = (s :> uioh
);;
3159 class listview ~
(source
:lvsource
) ~trusted ~modehash
=
3161 val m_pan
= source#getpan
3162 val m_first
= source#getfirst
3163 val m_active
= source#getactive
3164 val m_qsearch
= source#getqsearch
3165 val m_prev_uioh
= state.uioh
3167 method private elemunder
y =
3168 let n = y / (fstate.fontsize
+1) in
3169 if m_first
+ n < source#getitemcount
3171 if source#hasaction
(m_first
+ n)
3172 then Some
(m_first
+ n)
3179 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
3180 GlDraw.color
(0., 0., 0.) ~alpha
:0.85;
3181 GlDraw.rect (0., 0.) (float conf.winw
, float conf.winh
);
3182 GlDraw.color
(1., 1., 1.);
3183 Gl.enable `texture_2d
;
3184 let fs = fstate.fontsize
in
3186 let ww = fstate.wwidth
in
3187 let tabw = 30.0*.ww in
3188 let itemcount = source#getitemcount
in
3190 if (row - m_first
) > fstate.maxrows
3193 if row >= 0 && row < itemcount
3195 let (s, level
) = source#getitem
row in
3196 let y = (row - m_first
) * nfs in
3197 let x = 5.0 +. float (level
+ m_pan
) *. ww in
3200 Gl.disable `texture_2d
;
3201 GlDraw.polygon_mode `both `line
;
3202 GlDraw.color
(1., 1., 1.) ~alpha
:0.9;
3203 GlDraw.rect (1., float (y + 1))
3204 (float (conf.winw
- conf.scrollbw
- 1), float (y + fs + 3));
3205 GlDraw.polygon_mode `both `fill
;
3206 GlDraw.color
(1., 1., 1.);
3207 Gl.enable `texture_2d
;
3210 let drawtabularstring s =
3211 let drawstr x s = drawstring1 fs (truncate
x) (y+nfs) s in
3214 let tabpos = try String.index
s '
\t'
with Not_found
-> -1 in
3217 let len = String.length
s - tabpos - 1 in
3218 let s1 = String.sub
s 0 tabpos
3219 and s2
= String.sub
s (tabpos + 1) len in
3220 let nx = drawstr x s1 in
3222 let x = x +. (max
tabw sw) in
3229 let _ = drawtabularstring s in
3236 Gl.disable `texture_2d
;
3238 method updownlevel incr
=
3239 let len = source#getitemcount
in
3241 if m_active
>= 0 && m_active
< len
3242 then snd
(source#getitem m_active
)
3246 if i
= len then i
-1 else if i
= -1 then 0 else
3247 let _, l = source#getitem i
in
3248 if l != curlevel then i
else flow (i
+incr
)
3250 let active = flow m_active
in
3251 let first = calcfirst m_first
active in
3252 G.postRedisplay "outline updownlevel";
3253 {< m_active
= active; m_first
= first >}
3255 method private key1
key mask
=
3256 let set1 active first qsearch
=
3257 coe {< m_active
= active; m_first
= first; m_qsearch
= qsearch
>}
3259 let search active pattern incr
=
3262 if n >= 0 && n < source#getitemcount
3264 let s, _ = source#getitem
n in
3266 (try ignore
(Str.search_forward
re s 0); true
3267 with Not_found
-> false)
3269 else loop (n + incr
)
3276 let re = Str.regexp_case_fold pattern
in
3282 let itemcount = source#getitemcount
in
3283 let find start incr
=
3285 if i
= -1 || i
= itemcount
3288 if source#hasaction i
3290 else find (i
+ incr
)
3295 let set active first =
3296 let first = bound first 0 (itemcount - fstate.maxrows
) in
3298 coe {< m_active
= active; m_first
= first >}
3301 let isvisible first n = n >= first && n - first <= fstate.maxrows
in
3303 let incr1 = if incr
> 0 then 1 else -1 in
3304 if isvisible m_first m_active
3307 let next = m_active
+ incr
in
3309 if next < 0 || next >= itemcount
3311 else find next incr1
3313 if next = -1 || abs
(m_active
- next) > fstate.maxrows
3319 let first = m_first
+ incr
in
3320 let first = bound first 0 (itemcount - 1) in
3322 let next = m_active
+ incr
in
3323 let next = bound next 0 (itemcount - 1) in
3326 let active = if next = -1 then m_active
else next in
3329 let first = min
next m_first
in
3331 if abs
(next - first) > fstate.maxrows
3337 let first = m_first
+ incr
in
3338 let first = bound first 0 (itemcount - 1) in
3340 let next = m_active
+ incr
in
3341 let next = bound next 0 (itemcount - 1) in
3342 let next = find next incr1 in
3344 if next = -1 || abs
(m_active
- first) > fstate.maxrows
3346 let active = if m_active
= -1 then next else m_active
in
3351 if isvisible first active
3357 G.postRedisplay "listview navigate";
3361 | (0x72|0x73) when Wsi.withctrl mask
-> (* ctrl-r/ctlr-s *)
3362 let incr = if key = 0x72 then -1 else 1 in
3364 match search (m_active
+ incr) m_qsearch
incr with
3366 state.text <- m_qsearch ^
" [not found]";
3369 state.text <- m_qsearch
;
3370 active, firstof m_first
active
3372 G.postRedisplay "listview ctrl-r/s";
3373 set1 active first m_qsearch
;
3375 | 0xff08 -> (* backspace *)
3376 if String.length m_qsearch
= 0
3379 let qsearch = withoutlastutf8 m_qsearch
in
3380 let len = String.length
qsearch in
3384 G.postRedisplay "listview empty qsearch";
3385 set1 m_active m_first
"";
3389 match search m_active
qsearch ~
-1 with
3391 state.text <- qsearch ^
" [not found]";
3394 state.text <- qsearch;
3395 active, firstof m_first
active
3397 G.postRedisplay "listview backspace qsearch";
3398 set1 active first qsearch
3401 | key when (key != 0 && key land 0xff00 != 0xff00) ->
3402 let pattern = m_qsearch ^
Wsi.toutf8
key in
3404 match search m_active
pattern 1 with
3406 state.text <- pattern ^
" [not found]";
3409 state.text <- pattern;
3410 active, firstof m_first
active
3412 G.postRedisplay "listview qsearch add";
3413 set1 active first pattern;
3415 | 0xff1b -> (* escape *)
3417 if String.length m_qsearch
= 0
3419 G.postRedisplay "list view escape";
3422 source#exit
(coe self
) true m_active m_first m_pan m_qsearch
3424 | None
-> m_prev_uioh
3429 G.postRedisplay "list view kill qsearch";
3430 source#setqsearch
"";
3431 coe {< m_qsearch
= "" >}
3434 | 0xff0d | 0xff8d -> (* (kp) enter *)
3436 let self = {< m_qsearch
= "" >} in
3437 source#setqsearch
"";
3439 G.postRedisplay "listview enter";
3440 if m_active
>= 0 && m_active
< source#getitemcount
3442 source#exit
(coe self) false m_active m_first m_pan
"";
3445 source#exit
(coe self) true m_active m_first m_pan
"";
3448 begin match opt with
3449 | None
-> m_prev_uioh
3453 | 0xff9f | 0xffff -> (* (kp) delete *)
3456 | 0xff52 | 0xff97 -> navigate ~
-1 (* (kp) up *)
3457 | 0xff54 | 0xff99 -> navigate 1 (* (kp) down *)
3458 | 0xff55 | 0xff9a -> navigate ~
-(fstate.maxrows
) (* (kp) prior *)
3459 | 0xff56 | 0xff9b -> navigate fstate.maxrows
(* (kp) next *)
3461 | 0xff53 | 0xff98 -> (* (kp) right *)
3463 G.postRedisplay "listview right";
3464 coe {< m_pan
= m_pan
- 1 >}
3466 | 0xff51 | 0xff96 -> (* (kp) left *)
3468 G.postRedisplay "listview left";
3469 coe {< m_pan
= m_pan
+ 1 >}
3471 | 0xff50 | 0xff95 -> (* (kp) home *)
3472 let active = find 0 1 in
3473 G.postRedisplay "listview home";
3476 | 0xff57 | 0xff9c -> (* (kp) end *)
3477 let first = max
0 (itemcount - fstate.maxrows
) in
3478 let active = find (itemcount - 1) ~
-1 in
3479 G.postRedisplay "listview end";
3482 | key when (key = 0 || key land 0xff00 = 0xff00) ->
3486 dolog "listview unknown key %#x" key; coe self
3488 method key key mask
=
3489 match state.mode
with
3490 | Textentry te
-> textentrykeyboard key mask te
; coe self
3491 | _ -> self#key1
key mask
3493 method button button down
x y _ =
3496 | 1 when x > conf.winw
- conf.scrollbw
->
3497 G.postRedisplay "listview scroll";
3500 let _, position, sh = self#
scrollph in
3501 if y > truncate
position && y < truncate
(position +. sh)
3503 state.mstate
<- Mscrolly
;
3507 let s = float (max
0 (y - conf.scrollh
)) /. float conf.winh
in
3508 let first = truncate
(s *. float source#getitemcount
) in
3509 let first = min source#getitemcount
first in
3510 Some
(coe {< m_first
= first; m_active
= first >})
3512 state.mstate
<- Mnone
;
3515 | 1 when not down
->
3516 begin match self#elemunder
y with
3518 G.postRedisplay "listview click";
3520 (coe {< m_active
= n >}) false n m_first m_pan m_qsearch
3524 | n when (n == 4 || n == 5) && not down
->
3525 let len = source#getitemcount
in
3527 if n = 5 && m_first
+ fstate.maxrows
>= len
3531 let first = m_first
+ (if n == 4 then -1 else 1) in
3532 bound first 0 (len - 1)
3534 G.postRedisplay "listview wheel";
3535 Some
(coe {< m_first
= first >})
3536 | n when (n = 6 || n = 7) && not down
->
3537 let inc = m_first
+ (if n = 7 then -1 else 1) in
3538 G.postRedisplay "listview hwheel";
3539 Some
(coe {< m_pan
= m_pan
+ inc >})
3544 | None
-> m_prev_uioh
3548 match state.mstate
with
3550 let s = float (max
0 (y - conf.scrollh
)) /. float conf.winh
in
3551 let first = truncate
(s *. float source#getitemcount
) in
3552 let first = min source#getitemcount
first in
3553 G.postRedisplay "listview motion";
3554 coe {< m_first
= first; m_active
= first >}
3557 method pmotion
x y =
3558 if x < conf.winw
- conf.scrollbw
3561 match self#elemunder
y with
3562 | None
-> Wsi.setcursor
Wsi.CURSOR_INHERIT
; m_active
3563 | Some
n -> Wsi.setcursor
Wsi.CURSOR_INFO
; n
3567 then (G.postRedisplay "listview pmotion"; {< m_active
= n >})
3572 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
3576 method infochanged
_ = ()
3578 method scrollpw
= (0, 0.0, 0.0)
3580 let nfs = fstate.fontsize
+ 1 in
3581 let y = m_first
* nfs in
3582 let itemcount = source#getitemcount
in
3583 let maxi = max
0 (itemcount - fstate.maxrows
) in
3584 let maxy = maxi * nfs in
3585 let p, h = scrollph y maxy in
3588 method modehash
= modehash
3591 class outlinelistview ~source
=
3594 ~source
:(source
:> lvsource
)
3596 ~modehash
:(findkeyhash conf "outline")
3599 method key key mask
=
3600 let calcfirst first active =
3603 let rows = active - first in
3605 if String.length
state.text = 0
3607 else fstate.maxrows - 2
3609 if rows > maxrows then active - maxrows else first
3613 let active = m_active
+ incr in
3614 let active = bound active 0 (source#getitemcount
- 1) in
3615 let first = calcfirst m_first
active in
3616 G.postRedisplay "outline navigate";
3617 coe {< m_active
= active; m_first
= first >}
3619 let ctrl = Wsi.withctrl mask
in
3621 | 110 when ctrl -> (* ctrl-n *)
3622 source#narrow m_qsearch
;
3623 G.postRedisplay "outline ctrl-n";
3624 coe {< m_first
= 0; m_active
= 0 >}
3626 | 117 when ctrl -> (* ctrl-u *)
3628 G.postRedisplay "outline ctrl-u";
3630 coe {< m_first
= 0; m_active
= 0 >}
3632 | 108 when ctrl -> (* ctrl-l *)
3633 let first = max
0 (m_active
- (fstate.maxrows / 2)) in
3634 G.postRedisplay "outline ctrl-l";
3635 coe {< m_first
= first >}
3637 | 0xff9f | 0xffff -> (* (kp) delete *)
3638 source#remove m_active
;
3639 G.postRedisplay "outline delete";
3640 let active = max
0 (m_active
-1) in
3641 coe {< m_first
= firstof m_first
active;
3642 m_active
= active >}
3644 | 0xff52 | 0xff97 -> navigate ~
-1 (* (kp) up *)
3645 | 0xff54 | 0xff99 -> navigate 1 (* (kp) down *)
3646 | 0xff55 | 0xff9a -> (* (kp) prior *)
3647 navigate ~
-(fstate.maxrows)
3648 | 0xff56 | 0xff9b -> (* (kp) next *)
3649 navigate fstate.maxrows
3651 | 0xff53 | 0xff98 -> (* [ctrl-] (kp) right *)
3655 G.postRedisplay "outline ctrl right";
3656 {< m_pan
= m_pan
+ 1 >}
3658 else self#updownlevel
1
3662 | 0xff51 | 0xff96 -> (* [ctrl-] (kp) left *)
3666 G.postRedisplay "outline ctrl left";
3667 {< m_pan
= m_pan
- 1 >}
3669 else self#updownlevel ~
-1
3673 | 0xff50 | 0xff95 -> (* (kp) home *)
3674 G.postRedisplay "outline home";
3675 coe {< m_first
= 0; m_active
= 0 >}
3677 | 0xff57 | 0xff9c -> (* (kp) end *)
3678 let active = source#getitemcount
- 1 in
3679 let first = max
0 (active - fstate.maxrows) in
3680 G.postRedisplay "outline end";
3681 coe {< m_active
= active; m_first
= first >}
3683 | _ -> super#
key key mask
3686 let outlinesource usebookmarks
=
3689 inherit lvsourcebase
3690 val mutable m_items
= empty
3691 val mutable m_orig_items
= empty
3692 val mutable m_prev_items
= empty
3693 val mutable m_narrow_pattern
= ""
3694 val mutable m_hadremovals
= false
3696 method getitemcount
=
3697 Array.length m_items
+ (if m_hadremovals
then 1 else 0)
3700 if n == Array.length m_items
&& m_hadremovals
3702 ("[Confirm removal]", 0)
3704 let s, n, _ = m_items
.(n) in
3707 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
3708 ignore
(uioh
, first, qsearch);
3709 let confrimremoval = m_hadremovals
&& active = Array.length m_items
in
3711 if String.length m_narrow_pattern
= 0
3717 if not
confrimremoval
3719 let _, _, anchor = m_items
.(active) in
3720 gotoghyll (getanchory anchor);
3724 state.bookmarks
<- Array.to_list m_items
;
3725 m_orig_items
<- m_items
;
3728 else m_items
<- items;
3732 method hasaction
_ = true
3735 if Array.length m_items
!= Array.length m_orig_items
3736 then "Narrowed to " ^ m_narrow_pattern ^
" (ctrl-u to restore)"
3739 method narrow
pattern =
3740 let reopt = try Some
(Str.regexp_case_fold
pattern) with _ -> None
in
3744 let rec loop accu n =
3747 m_narrow_pattern
<- pattern;
3748 m_items
<- Array.of_list
accu
3751 let (s, _, _) as o = m_items
.(n) in
3753 if (try ignore
(Str.search_forward
re s 0); true
3754 with Not_found
-> false)
3760 loop [] (Array.length m_items
- 1)
3765 then Array.of_list
state.bookmarks
3768 m_items
<- m_orig_items
3773 if m >= 0 && m < Array.length m_items
3775 m_hadremovals
<- true;
3776 m_items
<- Array.init
(Array.length m_items
- 1) (fun n ->
3777 let n = if n >= m then n+1 else n in
3782 method reset
anchor items =
3783 m_hadremovals
<- false;
3784 if m_orig_items
== empty || m_prev_items
!= items
3786 m_orig_items
<- items;
3787 if String.length m_narrow_pattern
= 0
3788 then m_items
<- items;
3790 m_prev_items
<- items;
3791 let rely = getanchory anchor in
3793 let rec loop n best bestd
=
3794 if n = Array.length m_items
3797 let (_, _, anchor) = m_items
.(n) in
3798 let orely = getanchory anchor in
3799 let d = abs
(orely - rely) in
3802 else loop (n+1) best bestd
3807 m_first
<- firstof m_first
active
3811 let enterselector usebookmarks
=
3812 let source = outlinesource usebookmarks
in
3816 then Array.of_list
state.bookmarks
3819 if Array.length
outlines = 0
3821 showtext ' ' errmsg
;
3824 state.text <- source#greetmsg
;
3825 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
3826 let anchor = getanchor () in
3827 source#reset
anchor outlines;
3828 state.uioh
<- coe (new outlinelistview ~
source);
3829 G.postRedisplay "enter selector";
3833 let enteroutlinemode =
3834 let f = enterselector false in
3835 fun ()-> f "Document has no outline";
3838 let enterbookmarkmode =
3839 let f = enterselector true in
3840 fun () -> f "Document has no bookmarks (yet)";
3843 let color_of_string s =
3844 Scanf.sscanf
s "%d/%d/%d" (fun r g b ->
3845 (float r /. 256.0, float g /. 256.0, float b /. 256.0)
3849 let color_to_string (r, g, b) =
3850 let r = truncate
(r *. 256.0)
3851 and g = truncate
(g *. 256.0)
3852 and b = truncate
(b *. 256.0) in
3853 Printf.sprintf
"%d/%d/%d" r g b
3856 let irect_of_string s =
3857 Scanf.sscanf
s "%d/%d/%d/%d" (fun x0 y0 x1 y1 -> (x0,y0,x1,y1))
3860 let irect_to_string (x0,y0,x1,y1) =
3861 Printf.sprintf
"%d/%d/%d/%d" x0 y0 x1 y1
3864 let makecheckers () =
3865 (* Based on lablGL-1.04/LablGlut/examples/lablGL/checker.ml which had
3867 converted by Issac Trotts. July 25, 2002 *)
3868 let image = GlPix.create `ubyte ~format
:`luminance ~width
:2 ~height
:2 in
3869 Raw.sets_string
(GlPix.to_raw
image) ~pos
:0 "\255\200\200\255";
3870 let id = GlTex.gen_texture
() in
3871 GlTex.bind_texture `texture_2d
id;
3872 GlPix.store
(`unpack_alignment
1);
3873 GlTex.image2d
image;
3874 List.iter
(GlTex.parameter ~target
:`texture_2d
)
3875 [ `mag_filter `nearest
; `min_filter `nearest
];
3879 let setcheckers enabled
=
3880 match state.texid
with
3882 if enabled
then state.texid
<- Some
(makecheckers ())
3887 GlTex.delete_texture texid
;
3888 state.texid
<- None
;
3892 let int_of_string_with_suffix s =
3893 let l = String.length
s in
3897 let suffix = Char.lowercase
s.[l-1] in
3899 | 'k'
-> String.sub
s 0 (l-1), 10
3900 | '
m'
-> String.sub
s 0 (l-1), 20
3901 | '
g'
-> String.sub
s 0 (l-1), 30
3905 let n = int_of_string
s1 in
3906 let m = n lsl shift
in
3908 then raise
(Failure
"value too large")
3912 let string_with_suffix_of_int n =
3917 if n land ((1 lsl 30) - 1) = 0
3920 if n land ((1 lsl 20) - 1) = 0
3923 if n land ((1 lsl 10) - 1) = 0
3930 let h = n mod 1000 in
3933 then string_of_int
h ^
s
3935 let s = Printf.sprintf
"_%03d%s" h s in
3942 let defghyllscroll = (40, 8, 32);;
3943 let ghyllscroll_of_string s =
3944 let (n, a, b) as nab
=
3947 else Scanf.sscanf
s "%u,%u,%u" (fun n a b -> n, a, b)
3949 if n <= a || n <= b || a >= b
3950 then failwith
"invalid ghyll N,A,B (N <= A, A < B, N <= B)";
3954 let ghyllscroll_to_string ((n, a, b) as nab
) =
3955 if nab
= defghyllscroll
3957 else Printf.sprintf
"%d,%d,%d" n a b;
3960 let describe_location () =
3962 if fn
= -1 then l.pageno, l.pageno else fn
, l.pageno
3964 let fn, ln
= List.fold_left
f (-1, -1) state.layout in
3965 let maxy = state.maxy - (if conf.maxhfit
then conf.winh
else 0) in
3969 else (100. *. (float state.y /. float maxy))
3973 Printf.sprintf
"page %d of %d [%.2f%%]"
3974 (fn+1) state.pagecount
percent
3977 "pages %d-%d of %d [%.2f%%]"
3978 (fn+1) (ln
+1) state.pagecount
percent
3981 let setpresentationmode v
=
3982 let (n, _, _) = getanchor () in
3983 let _, h = getpageyh n in
3984 let ips = if conf.presentation
then calcips h else conf.interpagespace
in
3985 state.anchor <- (n, 0.0, float ips);
3986 conf.presentation
<- v
;
3987 if conf.presentation
3989 if not
conf.scrollbarinpm
3990 then state.scrollw
<- 0;
3992 else state.scrollw
<- conf.scrollbw
;
3997 let btos b = if b then "\xe2\x88\x9a" else "" in
3998 let showextended = ref false in
3999 let leave mode
= function
4000 | Confirm
-> state.mode
<- mode
4001 | Cancel
-> state.mode
<- mode
in
4004 val mutable m_first_time
= true
4005 val mutable m_l
= []
4006 val mutable m_a
= [||]
4007 val mutable m_prev_uioh
= nouioh
4008 val mutable m_prev_mode
= View
4010 inherit lvsourcebase
4012 method reset prev_mode prev_uioh
=
4013 m_a
<- Array.of_list
(List.rev m_l
);
4015 m_prev_mode
<- prev_mode
;
4016 m_prev_uioh
<- prev_uioh
;
4020 if n >= Array.length m_a
4024 | _, _, _, Action
_ -> m_active
<- n
4028 m_first_time
<- false;
4031 method int name get
set =
4033 (name
, `
int get
, 1, Action
(
4036 try set (int_of_string
s)
4038 state.text <- Printf.sprintf
"bad integer `%s': %s"
4039 s (Printexc.to_string exn
)
4042 let te = name ^
": ", "", None
, intentry, ondone, true in
4043 state.mode
<- Textentry
(te, leave m_prev_mode
);
4047 method int_with_suffix name get
set =
4049 (name
, `intws get
, 1, Action
(
4052 try set (int_of_string_with_suffix s)
4054 state.text <- Printf.sprintf
"bad integer `%s': %s"
4055 s (Printexc.to_string exn
)
4059 name ^
": ", "", None
, intentry_with_suffix, ondone, true
4061 state.mode
<- Textentry
(te, leave m_prev_mode
);
4065 method bool ?
(offset
=1) ?
(btos=btos) name get
set =
4067 (name
, `
bool (btos, get
), offset
, Action
(
4074 method color name get
set =
4076 (name
, `color get
, 1, Action
(
4078 let invalid = (nan
, nan
, nan
) in
4081 try color_of_string s
4083 state.text <- Printf.sprintf
"bad color `%s': %s"
4084 s (Printexc.to_string exn
);
4090 let te = name ^
": ", "", None
, textentry, ondone, true in
4091 state.text <- color_to_string (get
());
4092 state.mode
<- Textentry
(te, leave m_prev_mode
);
4096 method string name get
set =
4098 (name
, `
string get
, 1, Action
(
4100 let ondone s = set s in
4101 let te = name ^
": ", "", None
, textentry, ondone, true in
4102 state.mode
<- Textentry
(te, leave m_prev_mode
);
4106 method colorspace name get
set =
4108 (name
, `
string get
, 1, Action
(
4111 let vals = [| "rgb"; "bgr"; "gray" |] in
4113 inherit lvsourcebase
4116 m_active
<- int_of_colorspace conf.colorspace
;
4119 method getitemcount
= Array.length
vals
4120 method getitem
n = (vals.(n), 0)
4121 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4122 ignore
(uioh
, first, pan
, qsearch);
4123 if not cancel
then set active;
4125 method hasaction
_ = true
4129 let modehash = findkeyhash conf "info" in
4130 coe (new listview ~
source ~trusted
:true ~
modehash)
4133 method caption
s offset
=
4134 m_l
<- (s, `
empty, offset
, Noaction
) :: m_l
4136 method caption2
s f offset
=
4137 m_l
<- (s, `
string f, offset
, Noaction
) :: m_l
4139 method getitemcount
= Array.length m_a
4142 let tostr = function
4143 | `
int f -> string_of_int
(f ())
4144 | `intws
f -> string_with_suffix_of_int (f ())
4146 | `color
f -> color_to_string (f ())
4147 | `
bool (btos, f) -> btos (f ())
4150 let name, t
, offset
, _ = m_a
.(n) in
4151 ((let s = tostr t
in
4152 if String.length
s > 0
4153 then Printf.sprintf
"%s\t%s" name s
4157 method exit ~uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4161 m_qsearch
<- qsearch;
4163 match m_a
.(active) with
4164 | _, _, _, Action
f -> f uioh
4176 method hasaction
n =
4178 | _, _, _, Action
_ -> true
4182 let rec fillsrc prevmode prevuioh
=
4183 let sep () = src#caption
"" 0 in
4184 let colorp name get
set =
4186 (fun () -> color_to_string (get
()))
4189 let c = color_of_string v in
4192 state.text <- Printf.sprintf
"bad color `%s': %s"
4193 v (Printexc.to_string exn
);
4196 let oldmode = state.mode
in
4197 let birdseye = isbirdseye state.mode
in
4199 src#caption
(if birdseye then "Setup (Bird's eye)" else "Setup") 0;
4201 src#
bool "presentation mode"
4202 (fun () -> conf.presentation
)
4203 (fun v -> setpresentationmode v);
4205 src#
bool "ignore case in searches"
4206 (fun () -> conf.icase
)
4207 (fun v -> conf.icase
<- v);
4210 (fun () -> conf.preload)
4211 (fun v -> conf.preload <- v);
4213 src#
bool "highlight links"
4214 (fun () -> conf.hlinks
)
4215 (fun v -> conf.hlinks
<- v);
4217 src#
bool "under info"
4218 (fun () -> conf.underinfo
)
4219 (fun v -> conf.underinfo
<- v);
4221 src#
bool "persistent bookmarks"
4222 (fun () -> conf.savebmarks
)
4223 (fun v -> conf.savebmarks
<- v);
4225 src#
bool "proportional display"
4226 (fun () -> conf.proportional
)
4227 (fun v -> reqlayout conf.angle
v);
4229 src#
bool "trim margins"
4230 (fun () -> conf.trimmargins
)
4231 (fun v -> settrim v conf.trimfuzz
; fillsrc prevmode prevuioh
);
4233 src#
bool "persistent location"
4234 (fun () -> conf.jumpback
)
4235 (fun v -> conf.jumpback
<- v);
4238 src#
int "inter-page space"
4239 (fun () -> conf.interpagespace
)
4241 conf.interpagespace
<- n;
4242 docolumns conf.columns
;
4244 match state.layout with
4249 state.maxy <- calcheight ();
4250 let y = getpagey pageno in
4255 (fun () -> conf.pagebias
)
4256 (fun v -> conf.pagebias
<- v);
4258 src#
int "scroll step"
4259 (fun () -> conf.scrollstep
)
4260 (fun n -> conf.scrollstep
<- n);
4262 src#
int "horizontal scroll step"
4263 (fun () -> conf.hscrollstep
)
4264 (fun v -> conf.hscrollstep
<- v);
4266 src#
int "auto scroll step"
4268 match state.autoscroll
with
4270 | _ -> conf.autoscrollstep
)
4272 if state.autoscroll
<> None
4273 then state.autoscroll
<- Some
n;
4274 conf.autoscrollstep
<- n);
4277 (fun () -> truncate
(conf.zoom *. 100.))
4278 (fun v -> setzoom ((float v) /. 100.));
4281 (fun () -> conf.angle
)
4282 (fun v -> reqlayout v conf.proportional
);
4284 src#
int "scroll bar width"
4285 (fun () -> state.scrollw
)
4289 reshape conf.winw
conf.winh
;
4292 src#
int "scroll handle height"
4293 (fun () -> conf.scrollh
)
4294 (fun v -> conf.scrollh
<- v;);
4296 src#
int "thumbnail width"
4297 (fun () -> conf.thumbw
)
4299 conf.thumbw
<- min
4096 v;
4302 leavebirdseye beye
false;
4307 let mode = state.mode in
4308 src#
string "columns"
4310 match conf.columns
with
4312 | Cmulti
(multi
, _) -> multicolumns_to_string multi
4313 | Csplit
(count
, _) -> "-" ^ string_of_int count
4316 let n, a, b = multicolumns_of_string v in
4317 setcolumns mode n a b);
4320 src#caption
"Presentation mode" 0;
4321 src#
bool "scrollbar visible"
4322 (fun () -> conf.scrollbarinpm
)
4324 if v != conf.scrollbarinpm
4326 conf.scrollbarinpm
<- v;
4327 if conf.presentation
4329 state.scrollw
<- if v then conf.scrollbw
else 0;
4330 reshape conf.winw
conf.winh
;
4336 src#caption
"Pixmap cache" 0;
4337 src#int_with_suffix
"size (advisory)"
4338 (fun () -> conf.memlimit
)
4339 (fun v -> conf.memlimit
<- v);
4342 (fun () -> Printf.sprintf
"%s bytes, %d tiles"
4343 (string_with_suffix_of_int state.memused
)
4344 (Hashtbl.length
state.tilemap
)) 1;
4347 src#caption
"Layout" 0;
4348 src#caption2
"Dimension"
4350 Printf.sprintf
"%dx%d (virtual %dx%d)"
4356 src#caption2
"Position" (fun () ->
4357 Printf.sprintf
"%dx%d" state.x state.y
4360 src#caption2
"Visible" (fun () -> describe_location ()) 1
4364 src#
bool ~offset
:0 ~
btos:(fun v -> if v then "(on)" else "(off)")
4365 "Save these parameters as global defaults at exit"
4366 (fun () -> conf.bedefault
)
4367 (fun v -> conf.bedefault
<- v)
4371 let btos b = if b then "\xc2\xab" else "\xc2\xbb" in
4372 src#
bool ~offset
:0 ~
btos "Extended parameters"
4373 (fun () -> !showextended)
4374 (fun v -> showextended := v; fillsrc prevmode prevuioh
);
4378 (fun () -> conf.checkers
)
4379 (fun v -> conf.checkers
<- v; setcheckers v);
4380 src#
bool "update cursor"
4381 (fun () -> conf.updatecurs
)
4382 (fun v -> conf.updatecurs
<- v);
4384 (fun () -> conf.verbose
)
4385 (fun v -> conf.verbose
<- v);
4386 src#
bool "invert colors"
4387 (fun () -> conf.invert
)
4388 (fun v -> conf.invert
<- v);
4390 (fun () -> conf.maxhfit
)
4391 (fun v -> conf.maxhfit
<- v);
4392 src#
bool "redirect stderr"
4393 (fun () -> conf.redirectstderr)
4394 (fun v -> conf.redirectstderr <- v; redirectstderr ());
4395 src#
string "uri launcher"
4396 (fun () -> conf.urilauncher
)
4397 (fun v -> conf.urilauncher
<- v);
4398 src#
string "path launcher"
4399 (fun () -> conf.pathlauncher
)
4400 (fun v -> conf.pathlauncher
<- v);
4401 src#
string "tile size"
4402 (fun () -> Printf.sprintf
"%dx%d" conf.tilew
conf.tileh
)
4405 let w, h = Scanf.sscanf
v "%dx%d" (fun w h -> w, h) in
4406 conf.tilew
<- max
64 w;
4407 conf.tileh
<- max
64 h;
4410 state.text <- Printf.sprintf
"bad tile size `%s': %s"
4411 v (Printexc.to_string exn
));
4412 src#
int "texture count"
4413 (fun () -> conf.texcount
)
4416 then conf.texcount
<- v
4417 else showtext '
!'
" Failed to set texture count please retry later"
4419 src#
int "slice height"
4420 (fun () -> conf.sliceheight
)
4422 conf.sliceheight
<- v;
4423 wcmd "sliceh %d" conf.sliceheight
;
4425 src#
int "anti-aliasing level"
4426 (fun () -> conf.aalevel
)
4428 conf.aalevel
<- bound v 0 8;
4429 state.anchor <- getanchor ();
4430 opendoc state.path
state.password
;
4432 src#
string "page scroll scaling factor"
4433 (fun () -> string_of_float
conf.pgscale)
4436 let s = float_of_string
v in
4439 state.text <- Printf.sprintf
4440 "bad page scroll scaling factor `%s': %s"
4441 v (Printexc.to_string exn
)
4444 src#
int "ui font size"
4445 (fun () -> fstate.fontsize
)
4446 (fun v -> setfontsize (bound v 5 100));
4447 src#
int "hint font size"
4448 (fun () -> conf.hfsize
)
4449 (fun v -> conf.hfsize
<- bound v 5 100);
4450 colorp "background color"
4451 (fun () -> conf.bgcolor
)
4452 (fun v -> conf.bgcolor
<- v);
4453 src#
bool "crop hack"
4454 (fun () -> conf.crophack
)
4455 (fun v -> conf.crophack
<- v);
4456 src#
string "trim fuzz"
4457 (fun () -> irect_to_string conf.trimfuzz
)
4460 conf.trimfuzz
<- irect_of_string v;
4462 then settrim true conf.trimfuzz
;
4464 state.text <- Printf.sprintf
"bad irect `%s': %s"
4465 v (Printexc.to_string exn
)
4467 src#
string "throttle"
4469 match conf.maxwait
with
4470 | None
-> "show place holder if page is not ready"
4473 then "wait for page to fully render"
4475 "wait " ^ string_of_float
time
4476 ^
" seconds before showing placeholder"
4480 let f = float_of_string
v in
4482 then conf.maxwait
<- None
4483 else conf.maxwait
<- Some
f
4485 state.text <- Printf.sprintf
"bad time `%s': %s"
4486 v (Printexc.to_string exn
)
4488 src#
string "ghyll scroll"
4490 match conf.ghyllscroll
with
4492 | Some nab
-> ghyllscroll_to_string nab
4497 if String.length
v = 0
4499 else Some
(ghyllscroll_of_string v)
4501 conf.ghyllscroll
<- gs
4503 state.text <- Printf.sprintf
"bad ghyll `%s': %s"
4504 v (Printexc.to_string exn
)
4506 src#
string "selection command"
4507 (fun () -> conf.selcmd
)
4508 (fun v -> conf.selcmd
<- v);
4509 src#
string "synctex command"
4510 (fun () -> conf.stcmd
)
4511 (fun v -> conf.stcmd
<- v);
4512 src#colorspace
"color space"
4513 (fun () -> colorspace_to_string conf.colorspace
)
4515 conf.colorspace
<- colorspace_of_int v;
4522 (fun () -> conf.usepbo
)
4523 (fun v -> conf.usepbo
<- v);
4524 src#
bool "mouse wheel scrolls pages"
4525 (fun () -> conf.wheelbypage
)
4526 (fun v -> conf.wheelbypage
<- v);
4530 src#caption
"Document" 0;
4531 List.iter
(fun (_, s) -> src#caption
s 1) state.docinfo
;
4532 src#caption2
"Pages"
4533 (fun () -> string_of_int
state.pagecount
) 1;
4534 src#caption2
"Dimensions"
4535 (fun () -> string_of_int
(List.length
state.pdims
)) 1;
4539 src#caption
"Trimmed margins" 0;
4540 src#caption2
"Dimensions"
4541 (fun () -> string_of_int
(List.length
state.pdims
)) 1;
4545 src#caption
"OpenGL" 0;
4546 src#caption
(Printf.sprintf
"Vendor\t%s" (GlMisc.get_string `vendor
)) 1;
4547 src#caption
(Printf.sprintf
"Renderer\t%s" (GlMisc.get_string `renderer
)) 1;
4548 src#reset prevmode prevuioh
;
4552 let prevmode = state.mode
4553 and prevuioh
= state.uioh in
4554 fillsrc prevmode prevuioh
;
4555 let source = (src :> lvsource
) in
4556 let modehash = findkeyhash conf "info" in
4557 state.uioh <- coe (object (self)
4558 inherit listview ~
source ~trusted
:true ~
modehash as super
4559 val mutable m_prevmemused
= 0
4560 method infochanged
= function
4562 if m_prevmemused
!= state.memused
4564 m_prevmemused
<- state.memused
;
4565 G.postRedisplay "memusedchanged";
4567 | Pdim
-> G.postRedisplay "pdimchanged"
4568 | Docinfo
-> fillsrc prevmode prevuioh
4570 method key key mask
=
4571 if not
(Wsi.withctrl mask
)
4574 | 0xff51 | 0xff96 -> coe (self#updownlevel ~
-1) (* (kp) left *)
4575 | 0xff53 | 0xff98 -> coe (self#updownlevel
1) (* (kp) right *)
4576 | _ -> super#
key key mask
4577 else super#
key key mask
4579 G.postRedisplay "info";
4585 inherit lvsourcebase
4586 method getitemcount
= Array.length
state.help
4588 let s, l, _ = state.help
.(n) in
4591 method exit ~
uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4595 m_qsearch
<- qsearch;
4596 match state.help
.(active) with
4597 | _, _, Action
f -> Some
(f uioh)
4607 method hasaction
n =
4608 match state.help
.(n) with
4609 | _, _, Action
_ -> true
4616 let modehash = findkeyhash conf "help" in
4617 state.uioh <- coe (new listview ~
source ~trusted
:true ~
modehash);
4618 G.postRedisplay "help";
4623 let re = Str.regexp
"[\r\n]" in
4625 inherit lvsourcebase
4626 val mutable m_items
= [||]
4628 method getitemcount
= 1 + Array.length m_items
4633 else m_items
.(n-1), 0
4635 method exit ~
uioh ~cancel ~
active ~
first ~pan ~
qsearch =
4640 then Buffer.clear
state.errmsgs
;
4641 m_qsearch
<- qsearch;
4648 method hasaction
n =
4652 state.newerrmsgs
<- false;
4653 let l = Str.split
re (Buffer.contents
state.errmsgs
) in
4654 m_items
<- Array.of_list
l
4662 let source = (msgsource :> lvsource
) in
4663 let modehash = findkeyhash conf "listview" in
4664 state.uioh <- coe (object
4665 inherit listview ~
source ~trusted
:false ~
modehash as super
4668 then msgsource#reset
;
4671 G.postRedisplay "msgs";
4674 let quickbookmark ?title
() =
4675 match state.layout with
4681 let sec = Unix.gettimeofday
() in
4682 let tm = Unix.localtime
sec in
4683 Printf.sprintf
"Quick (page %d) (bookmarked at %d/%d/%d %d:%d)"
4687 (tm.Unix.tm_year
+ 1900)
4690 | Some
title -> title
4692 state.bookmarks
<- (title, 0, getanchor1 l) :: state.bookmarks
4696 state.fullscreen
<- None
;
4700 let setautoscrollspeed step goingdown
=
4701 let incr = max
1 ((abs step
) / 2) in
4702 let incr = if goingdown
then incr else -incr in
4703 let astep = step
+ incr in
4704 state.autoscroll
<- Some
astep;
4707 let gotounder = function
4708 | Ulinkgoto
(pageno, top) ->
4712 gotopage1 pageno top;
4718 | Uremote
(filename
, pageno) ->
4720 if Sys.file_exists filename
4723 let dir = Filename.dirname
state.path in
4724 let path = Filename.concat
dir filename
in
4725 if Sys.file_exists
path
4729 if String.length
path > 0
4731 let anchor = getanchor () in
4732 let ranchor = state.path, state.password
, anchor in
4733 state.anchor <- (pageno, 0.0, 0.0);
4734 state.ranchors
<- ranchor :: state.ranchors
;
4737 else showtext '
!'
("Could not find " ^ filename
)
4739 | Uunexpected
_ | Ulaunch
_ | Unamed
_ | Utext
_ | Unone
-> ()
4743 match conf.columns
with
4745 | _ -> conf.zoom > 1.0
4748 let existsinrow pageno (columns
, coverA
, coverB
) p =
4749 let last = ((pageno - coverA
) mod columns
) + columns
in
4750 let rec any = function
4753 if l.pageno = coverA
- 1 || l.pageno = state.pagecount
- coverB
4757 then (if l.pageno = last then false else any rest
)
4765 match state.layout with
4768 match conf.columns
with
4770 if conf.presentation
&& rest
== [] && l.pageh
> l.pagey + l.pagevh
4772 let y = clamp (pgscale conf.winh
) in
4775 let pageno = min
(l.pageno+1) (state.pagecount
-1) in
4776 gotoghyll (getpagey pageno)
4777 | Cmulti
((c, _, _) as cl, _) ->
4778 if conf.presentation
4779 && (existsinrow l.pageno cl
4780 (fun l -> l.pageh
> l.pagey + l.pagevh))
4782 let y = clamp (pgscale conf.winh
) in
4785 let pageno = min
(l.pageno+c) (state.pagecount
-1) in
4786 gotoghyll (getpagey pageno)
4788 if l.pageno < state.pagecount
- 1 || l.pagecol
< n - 1
4790 let pagey, pageh
= getpageyh l.pageno in
4791 let pagey = pagey + pageh
* l.pagecol
in
4792 let ips = if l.pagecol
= 0 then 0 else conf.interpagespace
in
4793 gotoghyll (pagey + pageh
+ ips)
4797 match state.layout with
4800 match conf.columns
with
4802 if conf.presentation
&& l.pagey != 0
4804 gotoghyll (clamp (pgscale ~
-(conf.winh
)))
4806 let pageno = max
0 (l.pageno-1) in
4807 gotoghyll (getpagey pageno)
4808 | Cmulti
((c, _, coverB
) as cl, _) ->
4809 if conf.presentation
&&
4810 (existsinrow l.pageno cl (fun l -> l.pagey != 0))
4812 gotoghyll (clamp (pgscale ~
-(conf.winh
)))
4815 if l.pageno = state.pagecount
- coverB
4819 let pageno = max
0 (l.pageno-decr) in
4820 gotoghyll (getpagey pageno)
4828 let pageno = max
0 (l.pageno-1) in
4829 let pagey, pageh
= getpageyh pageno in
4832 let pagey, pageh
= getpageyh l.pageno in
4833 pagey + pageh
* (l.pagecol
-1) - conf.interpagespace
4838 let viewkeyboard key mask
=
4840 let mode = state.mode in
4841 state.mode <- Textentry
(te, fun _ -> state.mode <- mode);
4844 G.postRedisplay "view:enttext"
4846 let ctrl = Wsi.withctrl mask
in
4848 if key >= 0xffb0 && key < 0xffb9 then key - 0xffb0 + 48 else key
4854 | 0xff63 -> (* insert *)
4855 if conf.angle
mod 360 = 0 && not
(isbirdseye state.mode)
4857 state.mode <- LinkNav
(Ltgendir
0);
4860 else showtext '
!'
"Keyboard link navigation does not work under rotation"
4862 | 0xff1b | 113 -> (* escape / q *)
4863 begin match state.mstate
with
4865 state.mstate
<- Mnone
;
4866 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
4867 G.postRedisplay "kill zoom rect";
4869 begin match state.mode with
4872 G.postRedisplay "esc leave linknav"
4874 match state.ranchors
with
4876 | (path, password
, anchor) :: rest
->
4877 state.ranchors
<- rest
;
4878 state.anchor <- anchor;
4879 opendoc path password
4883 | 0xff08 -> (* backspace *)
4884 gotoghyll (getnav ~
-1)
4892 G.postRedisplay "dehighlight";
4894 | 47 | 63 -> (* / ? *)
4895 let ondone isforw
s =
4896 cbput state.hists
.pat
s;
4897 state.searchpattern
<- s;
4900 let s = String.create
1 in
4901 s.[0] <- Char.chr
key;
4902 enttext (s, "", Some
(onhist state.hists
.pat
),
4903 textentry, ondone (key = 47), true)
4905 | 43 | 0xffab | 61 when ctrl -> (* ctrl-+ or ctrl-= *)
4906 let incr = if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01 in
4907 setzoom (conf.zoom +. incr)
4909 | 43 | 0xffab -> (* + *)
4912 try int_of_string
s with exc
->
4913 state.text <- Printf.sprintf
"bad integer `%s': %s"
4914 s (Printexc.to_string exc
);
4920 state.text <- "page bias is now " ^ string_of_int
n;
4923 enttext ("page bias: ", "", None
, intentry, ondone, true)
4925 | 45 | 0xffad when ctrl -> (* ctrl-- *)
4926 let decr = if conf.zoom -. 0.1 < 0.1 then 0.01 else 0.1 in
4927 setzoom (max
0.01 (conf.zoom -. decr))
4929 | 45 | 0xffad -> (* - *)
4930 let ondone msg
= state.text <- msg
in
4932 "option [acfhilpstvxACFPRSZTIS]: ", "", None
,
4933 optentry state.mode, ondone, true
4936 | 48 when ctrl -> (* ctrl-0 *)
4939 | 49 when ctrl -> (* ctrl-1 *)
4941 match conf.columns
with
4942 | Csingle
_ | Cmulti
_ -> 1
4943 | Csplit
(n, _) -> n
4945 let zoom = zoomforh
conf.winw
conf.winh
state.scrollw
cols in
4949 | 0xffc6 -> (* f9 *)
4952 | 57 when ctrl -> (* ctrl-9 *)
4955 | (48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57)
4956 when not
ctrl -> (* 0..9 *)
4959 try int_of_string
s with exc
->
4960 state.text <- Printf.sprintf
"bad integer `%s': %s"
4961 s (Printexc.to_string exc
);
4967 cbput state.hists
.pag
(string_of_int
n);
4968 gotopage1 (n + conf.pagebias
- 1) 0;
4971 let pageentry text key =
4972 match Char.unsafe_chr
key with
4973 | '
g'
-> TEdone
text
4974 | _ -> intentry text key
4976 let text = "x" in text.[0] <- Char.chr
key;
4977 enttext (":", text, Some
(onhist state.hists
.pag
), pageentry, ondone, true)
4980 state.scrollw
<- if state.scrollw
> 0 then 0 else conf.scrollbw
;
4981 reshape conf.winw
conf.winh
;
4984 conf.hlinks
<- not
conf.hlinks
;
4985 state.text <- "highlightlinks " ^
if conf.hlinks
then "on" else "off";
4986 G.postRedisplay "toggle highlightlinks";
4989 state.glinks
<- true;
4990 let mode = state.mode in
4991 state.mode <- Textentry
(
4992 (":", "", None
, linknentry, linkndone gotounder, false),
4994 state.glinks
<- false;
4998 G.postRedisplay "view:linkent(F)"
5001 state.glinks
<- true;
5002 let mode = state.mode in
5003 state.mode <- Textentry
(
5004 (":", "", None
, linknentry, linkndone (fun under ->
5005 match Ne.pipe () with
5007 showtext '
!'
(Printf.sprintf
"pipe failed: %s"
5008 (Printexc.to_string exn
));
5011 try popen conf.selcmd
[r, 0; w, -1]; true
5014 (Printf.sprintf
"failed to execute %s: %s"
5015 conf.selcmd
(Printexc.to_string exn
));
5019 Ne.clo fd
(fun msg
->
5020 showtext '
!'
(Printf.sprintf
"failed to close %s: %s" cap msg
)
5023 let s = undertext under in
5027 let l = String.length
s in
5028 let n = tempfailureretry (Unix.write
w s 0) l in
5033 "failed to write %d characters to sel pipe, wrote %d"
5038 (Printf.sprintf
"failed to write to sel pipe: %s"
5039 (Printexc.to_string exn
)
5048 state.glinks
<- false;
5052 G.postRedisplay "view:linkent"
5055 begin match state.autoscroll
with
5057 conf.autoscrollstep
<- step
;
5058 state.autoscroll
<- None
5060 if conf.autoscrollstep
= 0
5061 then state.autoscroll
<- Some
1
5062 else state.autoscroll
<- Some
conf.autoscrollstep
5065 | 112 when ctrl -> (* ctrl-p *)
5069 setpresentationmode (not
conf.presentation
);
5070 showtext ' '
("presentation mode " ^
5071 if conf.presentation
then "on" else "off");
5074 begin match state.fullscreen
with
5076 state.fullscreen
<- Some
(conf.winw
, conf.winh
);
5079 state.fullscreen
<- None
;
5083 | 112 | 78 -> (* p|N *)
5084 search state.searchpattern
false
5086 | 110 | 0xffc0 -> (* n|F3 *)
5087 search state.searchpattern
true
5090 begin match state.layout with
5093 gotoghyll (getpagey l.pageno)
5099 | 0xff9f | 0xffff -> (* delete *)
5103 showtext ' '
(describe_location ());
5106 begin match state.layout with
5109 doreshape (l.pagew
+ state.scrollw
) l.pageh
;
5114 enterbookmarkmode ()
5116 | 104 | 0xffbe -> (* h|F1 *)
5122 | 101 when Buffer.length
state.errmsgs
> 0 -> (* e *)
5127 match state.layout with
5129 if String.length
s > 0
5131 state.bookmarks
<- (s, 0, getanchor1 l) :: state.bookmarks
5134 enttext ("bookmark: ", "", None
, textentry, ondone, true)
5138 showtext ' '
"Quick bookmark added";
5141 begin match state.layout with
5143 let rect = getpdimrect
l.pagedimno
in
5147 (truncate
(1.8 *. (rect.(1) -. rect.(0))),
5148 truncate
(1.2 *. (rect.(3) -. rect.(0))))
5150 (truncate
(rect.(1) -. rect.(0)),
5151 truncate
(rect.(3) -. rect.(0)))
5153 let w = truncate
((float w)*.conf.zoom)
5154 and h = truncate
((float h)*.conf.zoom) in
5157 state.anchor <- getanchor ();
5158 doreshape (w + state.scrollw
) (h + conf.interpagespace
)
5160 G.postRedisplay "z";
5165 | 50 when ctrl -> (* ctrl-2 *)
5166 let maxw = getmaxw
() in
5168 then setzoom (maxw /. float conf.winw
)
5170 | 60 | 62 -> (* < > *)
5171 reqlayout (conf.angle
+ (if key = 62 then 30 else -30)) conf.proportional
5173 | 91 | 93 -> (* [ ] *)
5175 bound (conf.colorscale
+. (if key = 93 then 0.1 else -0.1)) 0.0 1.0
5177 G.postRedisplay "brightness";
5179 | 99 when state.mode = View
-> (* c *)
5181 match state.prevcolumns
with
5182 | None
-> (1, 0, 0), 1.0
5183 | Some
(columns
, z
) ->
5186 | Csplit
(c, _) -> -c, 0, 0
5187 | Cmulti
((c, a, b), _) -> c, a, b
5188 | Csingle
_ -> 1, 0, 0
5192 setcolumns View
c a b;
5195 | 0xff54 | 0xff52 when ctrl && Wsi.withshift mask
->
5196 setzoom state.prevzoom
5198 | 107 | 0xff52 | 0xff97 -> (* k (kp) up *)
5199 begin match state.autoscroll
with
5201 begin match state.mode with
5202 | Birdseye beye
-> upbirdseye 1 beye
5205 then gotoy_and_clear_text (clamp ~
-(conf.winh
/2))
5206 else gotoy_and_clear_text (clamp (-conf.scrollstep
))
5209 setautoscrollspeed n false
5212 | 106 | 0xff54 | 0xff99 -> (* j (kp) down *)
5213 begin match state.autoscroll
with
5215 begin match state.mode with
5216 | Birdseye beye
-> downbirdseye 1 beye
5219 then gotoy_and_clear_text (clamp (conf.winh
/2))
5220 else gotoy_and_clear_text (clamp conf.scrollstep
)
5223 setautoscrollspeed n true
5226 | 0xff51 | 0xff53 | 0xff96 | 0xff98
5227 when not
(Wsi.withalt mask
) -> (* (kp) left / right *)
5233 else conf.hscrollstep
5235 let dx = if key = 0xff51 or key = 0xff96 then dx else -dx in
5236 state.x <- state.x + dx;
5237 gotoy_and_clear_text state.y
5240 G.postRedisplay "lef/right"
5243 | 0xff55 | 0xff9a -> (* (kp) prior *)
5247 match state.layout with
5249 | l :: _ -> state.y - l.pagey
5251 clamp (pgscale (-conf.winh
))
5255 | 0xff56 | 0xff9b -> (* (kp) next *)
5259 match List.rev
state.layout with
5261 | l :: _ -> getpagey l.pageno
5263 clamp (pgscale conf.winh
)
5267 | 103 | 0xff50 | 0xff95 -> (* g (kp) home *)
5269 | 71 | 0xff57 | 0xff9c -> (* G (kp) end *)
5270 gotoghyll (clamp state.maxy)
5273 when Wsi.withalt mask
-> (* alt-(kp) right *)
5274 gotoghyll (getnav 1)
5276 when Wsi.withalt mask
-> (* alt-(kp) left *)
5277 gotoghyll (getnav ~
-1)
5282 | 118 when conf.debug
-> (* v *)
5285 match getopaque l.pageno with
5288 let x0, y0, x1, y1 = pagebbox opaque
in
5289 let a,b = float x0, float y0 in
5290 let c,d = float x1, float y0 in
5291 let e,f = float x1, float y1 in
5292 let h,j
= float x0, float y1 in
5293 let rect = (a,b,c,d,e,f,h,j
) in
5295 state.rects
<- (l.pageno, l.pageno mod 3, rect) :: state.rects
;
5297 G.postRedisplay "v";
5300 vlog "huh? %s" (Wsi.keyname
key)
5303 let linknavkeyboard key mask
linknav =
5304 let getpage pageno =
5305 let rec loop = function
5307 | l :: _ when l.pageno = pageno -> Some
l
5308 | _ :: rest
-> loop rest
5309 in loop state.layout
5311 let doexact (pageno, n) =
5312 match getopaque pageno, getpage pageno with
5313 | Some opaque
, Some
l ->
5314 if key = 0xff0d || key = 0xff8d (* (kp)enter *)
5316 let under = getlink opaque
n in
5317 G.postRedisplay "link gotounder";
5323 | 0xff50 -> (* home *)
5324 Some
(findlink opaque LDfirst
), -1
5326 | 0xff57 -> (* end *)
5327 Some
(findlink opaque LDlast
), 1
5329 | 0xff51 -> (* left *)
5330 Some
(findlink opaque
(LDleft
n)), -1
5332 | 0xff53 -> (* right *)
5333 Some
(findlink opaque
(LDright
n)), 1
5335 | 0xff52 -> (* up *)
5336 Some
(findlink opaque
(LDup
n)), -1
5338 | 0xff54 -> (* down *)
5339 Some
(findlink opaque
(LDdown
n)), 1
5344 begin match findpwl
l.pageno dir with
5348 state.mode <- LinkNav
(Ltgendir
dir);
5349 let y, h = getpageyh pageno in
5352 then y + h - conf.winh
5357 begin match getopaque pageno, getpage pageno with
5358 | Some opaque
, Some
_ ->
5360 let ld = if dir > 0 then LDfirst
else LDlast
in
5363 begin match link with
5365 showlinktype (getlink opaque
m);
5366 state.mode <- LinkNav
(Ltexact
(pageno, m));
5367 G.postRedisplay "linknav jpage";
5374 begin match opt with
5375 | Some Lnotfound
-> pwl l dir;
5376 | Some
(Lfound
m) ->
5380 let _, y0, _, y1 = getlinkrect opaque
m in
5382 then gotopage1 l.pageno y0
5384 let d = fstate.fontsize
+ 1 in
5385 if y1 - l.pagey > l.pagevh - d
5386 then gotopage1 l.pageno (y1 - conf.winh
- state.hscrollh + d)
5387 else G.postRedisplay "linknav";
5389 showlinktype (getlink opaque
m);
5390 state.mode <- LinkNav
(Ltexact
(l.pageno, m));
5393 | None
-> viewkeyboard key mask
5395 | _ -> viewkeyboard key mask
5400 G.postRedisplay "leave linknav"
5404 | Ltgendir
_ -> viewkeyboard key mask
5405 | Ltexact exact
-> doexact exact
5408 let keyboard key mask
=
5409 if (key = 103 && Wsi.withctrl mask
) && not
(istextentry state.mode)
5410 then wcmd "interrupt"
5411 else state.uioh <- state.uioh#
key key mask
5414 let birdseyekeyboard key mask
5415 ((oconf
, leftx
, pageno, hooverpageno
, anchor) as beye
) =
5417 match conf.columns
with
5419 | Cmulti
((c, _, _), _) -> c
5420 | Csplit
_ -> failwith
"bird's eye split mode"
5422 let pgh layout = List.fold_left
(fun m l -> max
l.pageh
m) conf.winh
layout in
5424 | 108 when Wsi.withctrl mask
-> (* ctrl-l *)
5425 let y, h = getpageyh pageno in
5426 let top = (conf.winh
- h) / 2 in
5427 gotoy (max
0 (y - top))
5428 | 0xff0d (* enter *)
5429 | 0xff8d -> leavebirdseye beye
false (* kp enter *)
5430 | 0xff1b -> leavebirdseye beye
true (* escape *)
5431 | 0xff52 -> upbirdseye incr beye
(* up *)
5432 | 0xff54 -> downbirdseye incr beye
(* down *)
5433 | 0xff51 -> upbirdseye 1 beye
(* left *)
5434 | 0xff53 -> downbirdseye 1 beye
(* right *)
5436 | 0xff55 -> (* prior *)
5437 begin match state.layout with
5441 state.mode <- Birdseye
(
5442 oconf
, leftx
, l.pageno, hooverpageno
, anchor
5444 gotopage1 l.pageno 0;
5447 let layout = layout (state.y-conf.winh
) (pgh state.layout) in
5449 | [] -> gotoy (clamp (-conf.winh
))
5451 state.mode <- Birdseye
(
5452 oconf
, leftx
, l.pageno, hooverpageno
, anchor
5454 gotopage1 l.pageno 0
5457 | [] -> gotoy (clamp (-conf.winh
))
5460 | 0xff56 -> (* next *)
5461 begin match List.rev
state.layout with
5463 let layout = layout (state.y + (pgh state.layout)) conf.winh
in
5464 begin match layout with
5466 let incr = l.pageh
- l.pagevh in
5471 oconf
, leftx
, state.pagecount
- 1, hooverpageno
, anchor
5473 G.postRedisplay "birdseye pagedown";
5475 else gotoy (clamp (incr + conf.interpagespace
*2));
5479 Birdseye
(oconf
, leftx
, l.pageno, hooverpageno
, anchor);
5480 gotopage1 l.pageno 0;
5483 | [] -> gotoy (clamp conf.winh
)
5486 | 0xff50 -> (* home *)
5487 state.mode <- Birdseye
(oconf
, leftx
, 0, hooverpageno
, anchor);
5490 | 0xff57 -> (* end *)
5491 let pageno = state.pagecount
- 1 in
5492 state.mode <- Birdseye
(oconf
, leftx
, pageno, hooverpageno
, anchor);
5493 if not
(pagevisible state.layout pageno)
5496 match List.rev
state.pdims
with
5498 | (_, _, h, _) :: _ -> h
5500 gotoy (max
0 (getpagey pageno - (conf.winh
- h - conf.interpagespace
)))
5501 else G.postRedisplay "birdseye end";
5502 | _ -> viewkeyboard key mask
5505 let drawpage l linkindexbase
=
5507 match state.mode with
5508 | Textentry
_ -> scalecolor 0.4
5510 | View
-> scalecolor 1.0
5511 | Birdseye
(_, _, pageno, hooverpageno
, _) ->
5512 if l.pageno = hooverpageno
5515 if l.pageno = pageno
5521 begin match getopaque l.pageno with
5523 if tileready l l.pagex
l.pagey
5525 let x = l.pagedispx - l.pagex
5526 and y = l.pagedispy - l.pagey in
5528 match conf.columns
with
5529 | Csingle
_ | Cmulti
_ ->
5530 (if conf.hlinks
then 1 else 0)
5532 && not
(isbirdseye state.mode) then 2 else 0)
5536 match state.mode with
5537 | Textentry
((_, s, _, _, _, _), _) when state.glinks
-> s
5540 postprocess opaque
hlmask x y (linkindexbase
, s, conf.hfsize
);
5547 let scrollindicator () =
5548 let sbw, ph
, sh = state.uioh#
scrollph in
5549 let sbh, pw, sw = state.uioh#scrollpw
in
5551 GlDraw.color (0.64, 0.64, 0.64);
5553 (float (conf.winw
- sbw), 0.)
5554 (float conf.winw
, float conf.winh
)
5557 (0., float (conf.winh
- sbh))
5558 (float (conf.winw
- state.scrollw
- 1), float conf.winh
)
5560 GlDraw.color (0.0, 0.0, 0.0);
5563 (float (conf.winw
- sbw), ph
)
5564 (float conf.winw
, ph
+. sh)
5567 (pw, float (conf.winh
- sbh))
5568 (pw +. sw, float conf.winh
)
5573 match state.mstate
with
5574 | Mnone
| Mscrolly
| Mscrollx
| Mpan
_ | Mzoom
_ | Mzoomrect
_ ->
5577 | Msel
((x0, y0), (x1, y1)) ->
5578 let rec loop = function
5580 if ((y0 >= l.pagedispy && y0 <= (l.pagedispy + l.pagevh))
5581 || ((y1 >= l.pagedispy && y1 <= (l.pagedispy + l.pagevh))))
5582 && ((x0 >= l.pagedispx && x0 <= (l.pagedispx + l.pagevw))
5583 || ((x1 >= l.pagedispx && x1 <= (l.pagedispx + l.pagevw))))
5585 match getopaque l.pageno with
5587 let x0, y0 = pagetranslatepoint l x0 y0 in
5588 let x1, y1 = pagetranslatepoint l x1 y1 in
5589 seltext opaque
(x0, y0, x1, y1);
5597 let showrects rects
=
5599 GlDraw.color (0.0, 0.0, 1.0) ~alpha
:0.5;
5600 GlDraw.polygon_mode `both `fill
;
5601 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
5603 (fun (pageno, c, (x0, y0, x1, y1, x2
, y2
, x3
, y3
)) ->
5605 if l.pageno = pageno
5607 let dx = float (l.pagedispx - l.pagex
) in
5608 let dy = float (l.pagedispy - l.pagey) in
5609 GlDraw.color (0.0, 0.0, 1.0 /. float c) ~alpha
:0.5;
5610 GlDraw.begins `quads
;
5612 GlDraw.vertex2
(x0+.dx, y0+.dy);
5613 GlDraw.vertex2
(x1+.dx, y1+.dy);
5614 GlDraw.vertex2
(x2
+.dx, y2
+.dy);
5615 GlDraw.vertex2
(x3
+.dx, y3
+.dy);
5626 GlClear.color (scalecolor2 conf.bgcolor
);
5627 GlClear.clear
[`
color];
5628 let rec loop linkindexbase
= function
5630 let linkindexbase = linkindexbase + drawpage l linkindexbase in
5631 loop linkindexbase rest
5634 loop 0 state.layout;
5636 match state.mode with
5637 | LinkNav
(Ltexact
(pageno, linkno
)) ->
5638 begin match getopaque pageno with
5640 let x0, y0, x1, y1 = getlinkrect opaque linkno
in
5647 | None
-> state.rects
5654 begin match state.mstate
with
5655 | Mzoomrect
((x0, y0), (x1, y1)) ->
5657 GlDraw.color (0.3, 0.3, 0.3) ~alpha
:0.5;
5658 GlFunc.blend_func `src_alpha `one_minus_src_alpha
;
5659 GlDraw.rect (float x0, float y0)
5660 (float x1, float y1);
5669 let zoomrect x y x1 y1 =
5672 and y0 = min
y y1 in
5673 gotoy (state.y + y0);
5674 state.anchor <- getanchor ();
5675 let zoom = (float conf.winw
*. conf.zoom) /. float (x1 - x0) in
5677 if state.w < conf.winw
- state.scrollw
5678 then (conf.winw
- state.scrollw
- state.w) / 2
5681 state.x <- (state.x + margin) - x0;
5683 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5684 state.mstate
<- Mnone
;
5688 let winw = conf.winw - state.scrollw
- 1 in
5689 let s = float x /. float winw in
5690 let destx = truncate
(float (state.w + winw) *. s) in
5691 state.x <- winw - destx;
5692 gotoy_and_clear_text state.y;
5693 state.mstate
<- Mscrollx
;
5697 let s = float y /. float conf.winh
in
5698 let desty = truncate
(float (state.maxy - conf.winh
) *. s) in
5699 gotoy_and_clear_text desty;
5700 state.mstate
<- Mscrolly
;
5703 let viewmouse button down
x y mask
=
5705 | n when (n == 4 || n == 5) && not down
->
5706 if Wsi.withctrl mask
5708 match state.mstate
with
5709 | Mzoom
(oldn
, i
) ->
5717 if conf.zoom +. 0.01 > 0.1 then 0.1 else 0.01
5719 if conf.zoom -. 0.1 < 0.1 then -0.01 else -0.1
5721 let zoom = conf.zoom -. incr in
5723 state.mstate
<- Mzoom
(n, 0);
5725 state.mstate
<- Mzoom
(n, i
+1);
5727 else state.mstate
<- Mzoom
(n, 0)
5729 | _ -> state.mstate
<- Mzoom
(n, 0)
5732 match state.autoscroll
with
5733 | Some step
-> setautoscrollspeed step
(n=4)
5744 then -conf.scrollstep
5745 else conf.scrollstep
5747 let incr = incr * 2 in
5748 let y = clamp incr in
5749 gotoy_and_clear_text y
5752 | n when (n = 6 || n = 7) && not down
&& canpan () ->
5753 state.x <- state.x + (if n = 7 then -2 else 2) * conf.hscrollstep
;
5754 gotoy_and_clear_text state.y
5756 | 1 when Wsi.withshift mask
->
5757 state.mstate
<- Mnone
;
5759 match unproject x y with
5760 | Some
(pageno, ux
, uy
) ->
5761 let cmd = Printf.sprintf
5763 conf.stcmd
state.path pageno ux uy
5769 | 1 when Wsi.withctrl mask
->
5772 Wsi.setcursor
Wsi.CURSOR_CROSSHAIR
;
5773 state.mstate
<- Mpan
(x, y)
5776 state.mstate
<- Mnone
5781 Wsi.setcursor
Wsi.CURSOR_CYCLE
;
5783 state.mstate
<- Mzoomrect
(p, p)
5786 match state.mstate
with
5787 | Mzoomrect
((x0, y0), _) ->
5788 if abs
(x-x0) > 10 && abs
(y - y0) > 10
5789 then zoomrect x0 y0 x y
5791 state.mstate
<- Mnone
;
5792 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5793 G.postRedisplay "kill accidental zoom rect";
5796 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5797 state.mstate
<- Mnone
5800 | 1 when x > conf.winw - state.scrollw
->
5803 let _, position, sh = state.uioh#
scrollph in
5804 if y > truncate
position && y < truncate
(position +. sh)
5805 then state.mstate
<- Mscrolly
5808 state.mstate
<- Mnone
5810 | 1 when y > conf.winh
- state.hscrollh ->
5813 let _, position, sw = state.uioh#scrollpw
in
5814 if x > truncate
position && x < truncate
(position +. sw)
5815 then state.mstate
<- Mscrollx
5818 state.mstate
<- Mnone
5821 let dest = if down
then getunder x y else Unone
in
5822 begin match dest with
5826 | Uunexpected
_ | Ulaunch
_ | Unamed
_ ->
5829 | Unone
when down
->
5830 Wsi.setcursor
Wsi.CURSOR_CROSSHAIR
;
5831 state.mstate
<- Mpan
(x, y);
5833 | Unone
| Utext
_ ->
5836 if conf.angle
mod 360 = 0
5838 state.mstate
<- Msel
((x, y), (x, y));
5839 G.postRedisplay "mouse select";
5843 match state.mstate
with
5846 | Mzoom
_ | Mscrollx
| Mscrolly
->
5847 state.mstate
<- Mnone
5849 | Mzoomrect
((x0, y0), _) ->
5853 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5854 state.mstate
<- Mnone
5856 | Msel
((x0, y0), (x1, y1)) ->
5857 let rec loop = function
5861 let a0 = l.pagedispy in
5862 let a1 = a0 + l.pagevh in
5863 let b0 = l.pagedispx in
5864 let b1 = b0 + l.pagevw in
5865 ((y0 >= a0 && y0 <= a1) || (y1 >= a0 && y1 <= a1))
5866 && ((x0 >= b0 && x0 <= b1) || (x1 >= b0 && x1 <= b1))
5870 match getopaque l.pageno with
5873 match Ne.pipe () with
5877 "can not create sel pipe: %s"
5878 (Printexc.to_string exn
));
5880 let doclose what fd
=
5881 Ne.clo fd
(fun msg
->
5882 dolog "%s close failed: %s" what msg
)
5885 popen conf.selcmd
[r, 0; w, -1];
5888 G.postRedisplay "copysel";
5890 dolog "can not execute %S: %s"
5891 conf.selcmd
(Printexc.to_string exn
);
5899 Wsi.setcursor
Wsi.CURSOR_INHERIT
;
5900 state.mstate
<- Mnone
;
5907 let birdseyemouse button down
x y mask
5908 (conf, leftx
, _, hooverpageno
, anchor) =
5911 let rec loop = function
5914 if y > l.pagedispy && y < l.pagedispy + l.pagevh
5915 && x > l.pagedispx && x < l.pagedispx + l.pagevw
5917 leavebirdseye (conf, leftx
, l.pageno, hooverpageno
, anchor) false;
5923 | _ -> viewmouse button down
x y mask
5926 let mouse button down
x y mask
=
5927 state.uioh <- state.uioh#button button down
x y mask
;
5931 state.uioh <- state.uioh#
motion x y
5935 state.uioh <- state.uioh#
pmotion x y;
5941 method key key mask
=
5942 begin match state.mode with
5943 | Textentry
textentry -> textentrykeyboard key mask
textentry
5944 | Birdseye
birdseye -> birdseyekeyboard key mask
birdseye
5945 | View
-> viewkeyboard key mask
5946 | LinkNav
linknav -> linknavkeyboard key mask
linknav
5950 method button button bstate
x y mask
=
5951 begin match state.mode with
5953 | View
-> viewmouse button bstate
x y mask
5954 | Birdseye beye
-> birdseyemouse button bstate
x y mask beye
5960 begin match state.mode with
5962 | View
| Birdseye
_ | LinkNav
_ ->
5963 match state.mstate
with
5964 | Mzoom
_ | Mnone
-> ()
5969 state.mstate
<- Mpan
(x, y);
5971 then state.x <- state.x + dx;
5973 gotoy_and_clear_text y
5976 state.mstate
<- Msel
(a, (x, y));
5977 G.postRedisplay "motion select";
5980 let y = min
conf.winh
(max
0 y) in
5984 let x = min
conf.winw (max
0 x) in
5987 | Mzoomrect
(p0
, _) ->
5988 state.mstate
<- Mzoomrect
(p0
, (x, y));
5989 G.postRedisplay "motion zoomrect";
5993 method pmotion x y =
5994 begin match state.mode with
5995 | Birdseye
(conf, leftx
, pageno, hooverpageno
, anchor) ->
5996 let rec loop = function
5998 if hooverpageno
!= -1
6000 state.mode <- Birdseye
(conf, leftx
, pageno, -1, anchor);
6001 G.postRedisplay "pmotion birdseye no hoover";
6004 if y > l.pagedispy && y < l.pagedispy + l.pagevh
6005 && x > l.pagedispx && x < l.pagedispx + l.pagevw
6007 state.mode <- Birdseye
(conf, leftx
, pageno, l.pageno, anchor);
6008 G.postRedisplay "pmotion birdseye hoover";
6018 match state.mstate
with
6019 | Mnone
-> updateunder x y
6020 | Mpan
_ | Msel
_ | Mzoom
_ | Mscrolly
| Mscrollx
| Mzoomrect
_ ->
6025 method infochanged
_ = ()
6028 let maxy = state.maxy - (if conf.maxhfit
then conf.winh
else 0) in
6029 let p, h = scrollph state.y maxy in
6033 let winw = conf.winw - state.scrollw
- 1 in
6034 let fwinw = float winw in
6036 let sw = fwinw /. float state.w in
6037 let sw = fwinw *. sw in
6038 max
sw (float conf.scrollh
)
6041 let f = state.w+winw in
6042 let r = float (winw-state.x) /. float f in
6043 let p = fwinw *. r in
6047 if position +. sw > fwinw
6048 then fwinw -. position
6051 state.hscrollh, position, sw
6055 match state.mode with
6056 | LinkNav
_ -> "links"
6057 | Textentry
_ -> "textentry"
6058 | Birdseye
_ -> "birdseye"
6061 findkeyhash conf modename
6068 let fontpath = ref "";;
6071 Map.Make
(struct type t
= (int * int) let compare = compare end);;
6074 let l = String.length
s in
6075 let b = Buffer.create
l in
6081 try Sys.getenv
"HOME"
6084 ("Can not determine home directory location: " ^
6085 Printexc.to_string exn
);
6089 let modifier_of_string = function
6090 | "alt" -> Wsi.altmask
6091 | "shift" -> Wsi.shiftmask
6092 | "ctrl" | "control" -> Wsi.ctrlmask
6093 | "meta" -> Wsi.metamask
6098 let r = Str.regexp
"-" in
6100 let elems = Str.full_split
r s in
6103 let m1 = modifier_of_string s in
6105 then (Wsi.namekey
s, m)
6108 | Str.Delim
s when n land 1 = 0 -> g s
6110 | Str.Delim
_ -> (k
, m)
6112 let rec loop n k
m = function
6115 let k, m = f n k m x in
6121 let keys_of_string =
6122 let r = Str.regexp
"[ \t]" in
6124 let elems = Str.split
r s in
6125 List.map
key_of_string elems
6128 let copykeyhashes c =
6129 List.map
(fun (k, v) -> k, Hashtbl.copy
v) c.keyhashes
;
6132 let config_of c attrs
=
6136 | "scroll-bar-width" -> { c with scrollbw
= max
0 (int_of_string
v) }
6137 | "scroll-handle-height" -> { c with scrollh
= max
0 (int_of_string
v) }
6138 | "case-insensitive-search" -> { c with icase
= bool_of_string
v }
6139 | "preload" -> { c with preload = bool_of_string
v }
6140 | "page-bias" -> { c with pagebias
= int_of_string
v }
6141 | "scroll-step" -> { c with scrollstep
= max
1 (int_of_string
v) }
6142 | "horizontal-scroll-step" ->
6143 { c with hscrollstep
= max
(int_of_string
v) 1 }
6144 | "auto-scroll-step" ->
6145 { c with autoscrollstep
= max
0 (int_of_string
v) }
6146 | "max-height-fit" -> { c with maxhfit
= bool_of_string
v }
6147 | "crop-hack" -> { c with crophack
= bool_of_string
v }
6150 match String.lowercase
v with
6151 | "true" -> Some infinity
6153 | f -> Some
(float_of_string
f)
6155 { c with maxwait
= mw}
6156 | "highlight-links" -> { c with hlinks
= bool_of_string
v }
6157 | "under-cursor-info" -> { c with underinfo
= bool_of_string
v }
6158 | "vertical-margin" ->
6159 { c with interpagespace
= max
0 (int_of_string
v) }
6161 let zoom = float_of_string
v /. 100. in
6162 let zoom = max
zoom 0.0 in
6163 { c with zoom = zoom }
6164 | "presentation" -> { c with presentation
= bool_of_string
v }
6165 | "rotation-angle" -> { c with angle
= int_of_string
v }
6166 | "width" -> { c with winw = max
20 (int_of_string
v) }
6167 | "height" -> { c with winh
= max
20 (int_of_string
v) }
6168 | "persistent-bookmarks" -> { c with savebmarks
= bool_of_string
v }
6169 | "proportional-display" -> { c with proportional
= bool_of_string
v }
6170 | "pixmap-cache-size" ->
6171 { c with memlimit
= max
2 (int_of_string_with_suffix v) }
6172 | "tex-count" -> { c with texcount
= max
1 (int_of_string
v) }
6173 | "slice-height" -> { c with sliceheight
= max
2 (int_of_string
v) }
6174 | "thumbnail-width" -> { c with thumbw
= max
2 (int_of_string
v) }
6175 | "persistent-location" -> { c with jumpback
= bool_of_string
v }
6176 | "background-color" -> { c with bgcolor
= color_of_string v }
6177 | "scrollbar-in-presentation" ->
6178 { c with scrollbarinpm
= bool_of_string
v }
6179 | "tile-width" -> { c with tilew
= max
2 (int_of_string
v) }
6180 | "tile-height" -> { c with tileh
= max
2 (int_of_string
v) }
6181 | "mupdf-store-size" ->
6182 { c with mustoresize
= max
1024 (int_of_string_with_suffix v) }
6183 | "checkers" -> { c with checkers
= bool_of_string
v }
6184 | "aalevel" -> { c with aalevel
= max
0 (int_of_string
v) }
6185 | "trim-margins" -> { c with trimmargins
= bool_of_string
v }
6186 | "trim-fuzz" -> { c with trimfuzz
= irect_of_string v }
6187 | "uri-launcher" -> { c with urilauncher
= unent v }
6188 | "path-launcher" -> { c with pathlauncher
= unent v }
6189 | "color-space" -> { c with colorspace
= colorspace_of_string v }
6190 | "invert-colors" -> { c with invert
= bool_of_string
v }
6191 | "brightness" -> { c with colorscale
= float_of_string
v }
6192 | "redirectstderr" -> { c with redirectstderr = bool_of_string
v }
6194 { c with ghyllscroll
= Some
(ghyllscroll_of_string v) }
6196 let (n, _, _) as nab
= multicolumns_of_string v in
6198 then { c with columns
= Csplit
(-n, [||]) }
6199 else { c with columns
= Cmulti
(nab
, [||]) }
6200 | "birds-eye-columns" ->
6201 { c with beyecolumns
= Some
(max
(int_of_string
v) 2) }
6202 | "selection-command" -> { c with selcmd
= unent v }
6203 | "synctex-command" -> { c with stcmd
= unent v }
6204 | "update-cursor" -> { c with updatecurs
= bool_of_string
v }
6205 | "hint-font-size" -> { c with hfsize
= bound (int_of_string
v) 5 100 }
6206 | "page-scroll-scale" -> { c with pgscale = float_of_string
v }
6207 | "use-pbo" -> { c with usepbo
= bool_of_string
v }
6208 | "wheel-scrolls-pages" -> { c with wheelbypage
= bool_of_string
v }
6211 prerr_endline
("Error processing attribute (`" ^
6212 k ^
"'=`" ^
v ^
"'): " ^
Printexc.to_string exn
);
6215 let rec fold c = function
6218 let c = apply c k v in
6221 fold { c with keyhashes
= copykeyhashes c } attrs
;
6224 let fromstring f pos
n v d =
6227 dolog "Error processing attribute (%S=%S) at %d\n%s"
6228 n v pos
(Printexc.to_string exn
)
6233 let bookmark_of attrs
=
6234 let rec fold title page
rely visy
= function
6235 | ("title", v) :: rest
-> fold v page
rely visy rest
6236 | ("page", v) :: rest
-> fold title v rely visy rest
6237 | ("rely", v) :: rest
-> fold title page
v visy rest
6238 | ("visy", v) :: rest
-> fold title page
rely v rest
6239 | _ :: rest
-> fold title page
rely visy rest
6240 | [] -> title, page
, rely, visy
6242 fold "invalid" "0" "0" "0" attrs
6246 let rec fold path page
rely pan visy
= function
6247 | ("path", v) :: rest
-> fold v page
rely pan visy rest
6248 | ("page", v) :: rest
-> fold path v rely pan visy rest
6249 | ("rely", v) :: rest
-> fold path page
v pan visy rest
6250 | ("pan", v) :: rest
-> fold path page
rely v visy rest
6251 | ("visy", v) :: rest
-> fold path page
rely pan
v rest
6252 | _ :: rest
-> fold path page
rely pan visy rest
6253 | [] -> path, page
, rely, pan
, visy
6255 fold "" "0" "0" "0" "0" attrs
6259 let rec fold rs ls
= function
6260 | ("out", v) :: rest
-> fold v ls rest
6261 | ("in", v) :: rest
-> fold rs
v rest
6262 | _ :: rest
-> fold ls rs rest
6268 let setconf dst
src =
6269 dst
.scrollbw
<- src.scrollbw
;
6270 dst
.scrollh
<- src.scrollh
;
6271 dst
.icase
<- src.icase
;
6272 dst
.preload <- src.preload;
6273 dst
.pagebias
<- src.pagebias
;
6274 dst
.verbose
<- src.verbose
;
6275 dst
.scrollstep
<- src.scrollstep
;
6276 dst
.maxhfit
<- src.maxhfit
;
6277 dst
.crophack
<- src.crophack
;
6278 dst
.autoscrollstep
<- src.autoscrollstep
;
6279 dst
.maxwait
<- src.maxwait
;
6280 dst
.hlinks
<- src.hlinks
;
6281 dst
.underinfo
<- src.underinfo
;
6282 dst
.interpagespace
<- src.interpagespace
;
6283 dst
.zoom <- src.zoom;
6284 dst
.presentation
<- src.presentation
;
6285 dst
.angle
<- src.angle
;
6286 dst
.winw <- src.winw;
6287 dst
.winh
<- src.winh
;
6288 dst
.savebmarks
<- src.savebmarks
;
6289 dst
.memlimit
<- src.memlimit
;
6290 dst
.proportional
<- src.proportional
;
6291 dst
.texcount
<- src.texcount
;
6292 dst
.sliceheight
<- src.sliceheight
;
6293 dst
.thumbw
<- src.thumbw
;
6294 dst
.jumpback
<- src.jumpback
;
6295 dst
.bgcolor
<- src.bgcolor
;
6296 dst
.scrollbarinpm
<- src.scrollbarinpm
;
6297 dst
.tilew
<- src.tilew
;
6298 dst
.tileh
<- src.tileh
;
6299 dst
.mustoresize
<- src.mustoresize
;
6300 dst
.checkers
<- src.checkers
;
6301 dst
.aalevel
<- src.aalevel
;
6302 dst
.trimmargins
<- src.trimmargins
;
6303 dst
.trimfuzz
<- src.trimfuzz
;
6304 dst
.urilauncher
<- src.urilauncher
;
6305 dst
.colorspace
<- src.colorspace
;
6306 dst
.invert
<- src.invert
;
6307 dst
.colorscale
<- src.colorscale
;
6308 dst
.redirectstderr <- src.redirectstderr;
6309 dst
.ghyllscroll
<- src.ghyllscroll
;
6310 dst
.columns
<- src.columns
;
6311 dst
.beyecolumns
<- src.beyecolumns
;
6312 dst
.selcmd
<- src.selcmd
;
6313 dst
.updatecurs
<- src.updatecurs
;
6314 dst
.pathlauncher
<- src.pathlauncher
;
6315 dst
.keyhashes
<- copykeyhashes src;
6316 dst
.hfsize
<- src.hfsize
;
6317 dst
.hscrollstep
<- src.hscrollstep
;
6318 dst
.pgscale <- src.pgscale;
6319 dst
.usepbo
<- src.usepbo
;
6320 dst
.wheelbypage
<- src.wheelbypage
;
6321 dst
.stcmd
<- src.stcmd
;
6325 let h = Hashtbl.create
10 in
6326 let dc = { defconf with angle
= defconf.angle
} in
6327 let rec toplevel v t spos
_ =
6329 | Vdata
| Vcdata
| Vend
-> v
6330 | Vopen
("llppconfig", _, closed
) ->
6333 else { v with f = llppconfig
}
6335 error
"unexpected subelement at top level" s spos
6336 | Vclose
_ -> error
"unexpected close at top level" s spos
6338 and llppconfig
v t spos
_ =
6340 | Vdata
| Vcdata
-> v
6341 | Vend
-> error
"unexpected end of input in llppconfig" s spos
6342 | Vopen
("defaults", attrs
, closed
) ->
6343 let c = config_of dc attrs
in
6347 else { v with f = defaults
}
6349 | Vopen
("ui-font", attrs
, closed
) ->
6350 let rec getsize size
= function
6352 | ("size", v) :: rest
->
6354 fromstring int_of_string spos
"size" v fstate.fontsize
in
6356 | l -> getsize size l
6358 fstate.fontsize
<- getsize fstate.fontsize attrs
;
6361 else { v with f = uifont
(Buffer.create
10) }
6363 | Vopen
("doc", attrs
, closed
) ->
6364 let pathent, spage
, srely
, span
, svisy
= doc_of attrs
in
6365 let path = unent pathent
6366 and pageno = fromstring int_of_string spos
"page" spage
0
6367 and rely = fromstring float_of_string spos
"rely" srely
0.0
6368 and pan
= fromstring int_of_string spos
"pan" span
0
6369 and visy
= fromstring float_of_string spos
"visy" svisy
0.0 in
6370 let c = config_of dc attrs
in
6371 let anchor = (pageno, rely, visy
) in
6373 then (Hashtbl.add
h path (c, [], pan
, anchor); v)
6374 else { v with f = doc
path pan
anchor c [] }
6377 error
"unexpected subelement in llppconfig" s spos
6379 | Vclose
"llppconfig" -> { v with f = toplevel }
6380 | Vclose
_ -> error
"unexpected close in llppconfig" s spos
6382 and defaults
v t spos
_ =
6384 | Vdata
| Vcdata
-> v
6385 | Vend
-> error
"unexpected end of input in defaults" s spos
6386 | Vopen
("keymap", attrs
, closed
) ->
6388 try List.assoc
"mode" attrs
6389 with Not_found
-> "global" in
6394 let h = findkeyhash dc modename in
6395 KeyMap.iter
(Hashtbl.replace
h) keymap
;
6398 { v with f = pkeymap
ret KeyMap.empty }
6400 | Vopen
(_, _, _) ->
6401 error
"unexpected subelement in defaults" s spos
6403 | Vclose
"defaults" ->
6404 { v with f = llppconfig
}
6406 | Vclose
_ -> error
"unexpected close in defaults" s spos
6408 and uifont
b v t spos
epos =
6411 Buffer.add_substring
b s spos
(epos - spos
);
6413 | Vopen
(_, _, _) ->
6414 error
"unexpected subelement in ui-font" s spos
6415 | Vclose
"ui-font" ->
6416 if String.length
!fontpath = 0
6417 then fontpath := Buffer.contents
b;
6418 { v with f = llppconfig
}
6419 | Vclose
_ -> error
"unexpected close in ui-font" s spos
6420 | Vend
-> error
"unexpected end of input in ui-font" s spos
6422 and doc
path pan
anchor c bookmarks
v t spos
_ =
6424 | Vdata
| Vcdata
-> v
6425 | Vend
-> error
"unexpected end of input in doc" s spos
6426 | Vopen
("bookmarks", _, closed
) ->
6429 else { v with f = pbookmarks
path pan
anchor c bookmarks
}
6431 | Vopen
("keymap", attrs
, closed
) ->
6433 try List.assoc
"mode" attrs
6434 with Not_found
-> "global"
6440 let h = findkeyhash c modename in
6441 KeyMap.iter
(Hashtbl.replace
h) keymap
;
6442 doc
path pan
anchor c bookmarks
6444 { v with f = pkeymap
ret KeyMap.empty }
6446 | Vopen
(_, _, _) ->
6447 error
"unexpected subelement in doc" s spos
6450 Hashtbl.add
h path (c, List.rev bookmarks
, pan
, anchor);
6451 { v with f = llppconfig
}
6453 | Vclose
_ -> error
"unexpected close in doc" s spos
6455 and pkeymap
ret keymap
v t spos
_ =
6457 | Vdata
| Vcdata
-> v
6458 | Vend
-> error
"unexpected end of input in keymap" s spos
6459 | Vopen
("map", attrs
, closed
) ->
6460 let r, l = map_of attrs
in
6461 let kss = fromstring keys_of_string spos
"in" r [] in
6462 let lss = fromstring keys_of_string spos
"out" l [] in
6466 | ks
:: [] -> KeyMap.add ks
(KMinsrl
lss) keymap
6467 | ks
:: rest
-> KeyMap.add ks
(KMmulti
(rest
, lss)) keymap
6470 then { v with f = pkeymap
ret keymap }
6473 { v with f = skip
"map" f }
6476 error
"unexpected subelement in keymap" s spos
6478 | Vclose
"keymap" ->
6479 { v with f = ret keymap }
6481 | Vclose
_ -> error
"unexpected close in keymap" s spos
6483 and pbookmarks
path pan
anchor c bookmarks
v t spos
_ =
6485 | Vdata
| Vcdata
-> v
6486 | Vend
-> error
"unexpected end of input in bookmarks" s spos
6487 | Vopen
("item", attrs
, closed
) ->
6488 let titleent, spage
, srely
, svisy
= bookmark_of attrs
in
6489 let page = fromstring int_of_string spos
"page" spage
0
6490 and rely = fromstring float_of_string spos
"rely" srely
0.0
6491 and visy
= fromstring float_of_string spos
"visy" svisy
0.0 in
6493 (unent titleent, 0, (page, rely, visy
)) :: bookmarks
6496 then { v with f = pbookmarks
path pan
anchor c bookmarks }
6499 { v with f = skip
"item" f }
6502 error
"unexpected subelement in bookmarks" s spos
6504 | Vclose
"bookmarks" ->
6505 { v with f = doc
path pan
anchor c bookmarks }
6507 | Vclose
_ -> error
"unexpected close in bookmarks" s spos
6509 and skip tag
f v t spos
_ =
6511 | Vdata
| Vcdata
-> v
6513 error
("unexpected end of input in skipped " ^ tag
) s spos
6514 | Vopen
(tag'
, _, closed
) ->
6518 let f'
() = { v with f = skip tag
f } in
6519 { v with f = skip tag'
f'
}
6523 else error
("unexpected close in skipped " ^ tag
) s spos
6526 parse
{ f = toplevel; accu = () } s;
6532 let len = in_channel_length ic
in
6533 let s = String.create
len in
6534 really_input ic
s 0 len;
6537 | Parse_error
(msg
, s, pos
) ->
6538 let subs = subs s pos
in
6539 let s = Printf.sprintf
"%s: at %d [..%s..]" msg pos
subs in
6540 failwith
("parse error: " ^
s)
6543 failwith
("config load error: " ^
Printexc.to_string exn
)
6549 let dir = Filename.concat
home ".config" in
6550 if Sys.is_directory
dir then dir else home
6553 Filename.concat
dir "llpp.conf"
6556 let confpath = ref defconfpath;;
6559 if Sys.file_exists
!confpath
6562 (try Some
(open_in_bin
!confpath)
6565 ("Error opening configuation file `" ^
!confpath ^
"': " ^
6566 Printexc.to_string exn
);
6576 ("Error loading configuation from `" ^
!confpath ^
"': " ^
6577 Printexc.to_string exn
);
6585 f (Hashtbl.create
0, defconf)
6590 let pc, pb
, px, pa
=
6592 Hashtbl.find h (Filename.basename
state.path)
6593 with Not_found
-> dc, [], 0, emptyanchor
6597 state.bookmarks <- pb
;
6599 state.scrollw
<- conf.scrollbw
;
6601 then state.anchor <- pa
;
6602 cbput state.hists
.nav pa
;
6608 let add_attrs bb always
dc c =
6611 then Printf.bprintf bb
"\n %s='%b'" s a
6614 then Printf.bprintf bb
"\n %s='%d'" s a
6617 then Printf.bprintf bb
"\n %s='%s'" s (string_with_suffix_of_int a)
6620 then Printf.bprintf bb
"\n %s='%g'" s (a*.100.)
6623 then Printf.bprintf bb
"\n %s='%f'" s a
6627 Printf.bprintf bb
"\n %s='%s'" s (color_to_string a)
6631 Printf.bprintf bb
"\n %s='%s'" s (colorspace_to_string a)
6635 Printf.bprintf bb
"\n %s='%s'" s (irect_to_string a)
6639 Printf.bprintf bb
"\n %s='%s'" s (enent
a 0 (String.length
a))
6645 | Some
(_N
, _A
, _B
) ->
6646 Printf.bprintf bb
"\n %s='%u,%u,%u'" s _N _A _B
6656 else string_of_float
f
6658 Printf.bprintf bb
"\n %s='%s'" s v
6663 | Cmulti
((n, a, b), _) when n > 1 ->
6664 Printf.bprintf bb
"\n %s='%d,%d,%d'" s n a b
6665 | Csplit
(n, _) when n > 1 ->
6666 Printf.bprintf bb
"\n %s='%d'" s ~
-n
6672 | Some
c when c > 1 -> Printf.bprintf bb
"\n %s='%d'" s c
6677 then dc.winw, dc.winh
6679 match state.fullscreen
with
6681 | None
-> c.winw, c.winh
6683 oi
"width" w dc.winw;
6684 oi
"height" h dc.winh
;
6685 oi
"scroll-bar-width" c.scrollbw
dc.scrollbw
;
6686 oi
"scroll-handle-height" c.scrollh
dc.scrollh
;
6687 ob "case-insensitive-search" c.icase
dc.icase
;
6688 ob "preload" c.preload dc.preload;
6689 oi
"page-bias" c.pagebias
dc.pagebias
;
6690 oi
"scroll-step" c.scrollstep
dc.scrollstep
;
6691 oi
"auto-scroll-step" c.autoscrollstep
dc.autoscrollstep
;
6692 ob "max-height-fit" c.maxhfit
dc.maxhfit
;
6693 ob "crop-hack" c.crophack
dc.crophack
;
6694 oW
"throttle" c.maxwait
dc.maxwait
;
6695 ob "highlight-links" c.hlinks
dc.hlinks
;
6696 ob "under-cursor-info" c.underinfo
dc.underinfo
;
6697 oi
"vertical-margin" c.interpagespace
dc.interpagespace
;
6698 oz
"zoom" c.zoom dc.zoom;
6699 ob "presentation" c.presentation
dc.presentation
;
6700 oi
"rotation-angle" c.angle
dc.angle
;
6701 ob "persistent-bookmarks" c.savebmarks
dc.savebmarks
;
6702 ob "proportional-display" c.proportional
dc.proportional
;
6703 oI
"pixmap-cache-size" c.memlimit
dc.memlimit
;
6704 oi
"tex-count" c.texcount
dc.texcount
;
6705 oi
"slice-height" c.sliceheight
dc.sliceheight
;
6706 oi
"thumbnail-width" c.thumbw
dc.thumbw
;
6707 ob "persistent-location" c.jumpback
dc.jumpback
;
6708 oc
"background-color" c.bgcolor
dc.bgcolor
;
6709 ob "scrollbar-in-presentation" c.scrollbarinpm
dc.scrollbarinpm
;
6710 oi
"tile-width" c.tilew
dc.tilew
;
6711 oi
"tile-height" c.tileh
dc.tileh
;
6712 oI
"mupdf-store-size" c.mustoresize
dc.mustoresize
;
6713 ob "checkers" c.checkers
dc.checkers
;
6714 oi
"aalevel" c.aalevel
dc.aalevel
;
6715 ob "trim-margins" c.trimmargins
dc.trimmargins
;
6716 oR
"trim-fuzz" c.trimfuzz
dc.trimfuzz
;
6717 os
"uri-launcher" c.urilauncher
dc.urilauncher
;
6718 os
"path-launcher" c.pathlauncher
dc.pathlauncher
;
6719 oC
"color-space" c.colorspace
dc.colorspace
;
6720 ob "invert-colors" c.invert
dc.invert
;
6721 oF
"brightness" c.colorscale
dc.colorscale
;
6722 ob "redirectstderr" c.redirectstderr dc.redirectstderr;
6723 og
"ghyllscroll" c.ghyllscroll
dc.ghyllscroll
;
6724 oco
"columns" c.columns
dc.columns
;
6725 obeco
"birds-eye-columns" c.beyecolumns
dc.beyecolumns
;
6726 os
"selection-command" c.selcmd
dc.selcmd
;
6727 os
"synctex-command" c.stcmd
dc.stcmd
;
6728 ob "update-cursor" c.updatecurs
dc.updatecurs
;
6729 oi
"hint-font-size" c.hfsize
dc.hfsize
;
6730 oi
"horizontal-scroll-step" c.hscrollstep
dc.hscrollstep
;
6731 oF
"page-scroll-scale" c.pgscale dc.pgscale;
6732 ob "use-pbo" c.usepbo
dc.usepbo
;
6733 ob "wheel-scrolls-pages" c.wheelbypage
dc.wheelbypage
;
6736 let keymapsbuf always
dc c =
6737 let bb = Buffer.create
16 in
6738 let rec loop = function
6740 | (modename, h) :: rest
->
6741 let dh = findkeyhash dc modename in
6742 if always
|| h <> dh
6744 if Hashtbl.length
h > 0
6746 if Buffer.length
bb > 0
6747 then Buffer.add_char
bb '
\n'
;
6748 Printf.bprintf
bb "<keymap mode='%s'>\n" modename;
6749 Hashtbl.iter
(fun i
o ->
6750 let isdifferent = always
||
6752 let dO = Hashtbl.find dh i
in
6754 with Not_found
-> true
6759 if Wsi.withctrl
m then Buffer.add_string
bb "ctrl-";
6760 if Wsi.withalt
m then Buffer.add_string
bb "alt-";
6761 if Wsi.withshift
m then Buffer.add_string
bb "shift-";
6762 if Wsi.withmeta
m then Buffer.add_string
bb "meta-";
6763 Buffer.add_string
bb (Wsi.keyname
k);
6766 let rec loop = function
6768 | km
:: [] -> addkm km
6769 | km
:: rest
-> addkm km
; Buffer.add_char
bb ' '
; loop rest
6773 Buffer.add_string
bb "<map in='";
6777 Buffer.add_string
bb "' out='";
6779 Buffer.add_string
bb "'/>\n"
6782 Buffer.add_string
bb "' out='";
6784 Buffer.add_string
bb "'/>\n"
6786 | KMmulti
(ins, kms
) ->
6787 Buffer.add_char
bb ' '
;
6789 Buffer.add_string
bb "' out='";
6791 Buffer.add_string
bb "'/>\n"
6793 Buffer.add_string
bb "</keymap>";
6803 let uifontsize = fstate.fontsize
in
6804 let bb = Buffer.create
32768 in
6806 let dc = if conf.bedefault
then conf else dc in
6807 Buffer.add_string
bb "<llppconfig>\n";
6809 if String.length
!fontpath > 0
6811 Printf.bprintf
bb "<ui-font size='%d'><![CDATA[%s]]></ui-font>\n"
6817 Printf.bprintf
bb "<ui-font size='%d'/>\n" uifontsize
6820 Buffer.add_string
bb "<defaults ";
6821 add_attrs bb true dc dc;
6822 let kb = keymapsbuf true dc dc in
6823 if Buffer.length
kb > 0
6825 Buffer.add_string
bb ">\n";
6826 Buffer.add_buffer
bb kb;
6827 Buffer.add_string
bb "\n</defaults>\n";
6829 else Buffer.add_string
bb "/>\n";
6831 let adddoc path pan
anchor c bookmarks =
6832 if bookmarks == [] && c = dc && anchor = emptyanchor
6835 Printf.bprintf
bb "<doc path='%s'"
6836 (enent
path 0 (String.length
path));
6838 if anchor <> emptyanchor
6840 let n, rely, visy
= anchor in
6841 Printf.bprintf
bb " page='%d'" n;
6844 Printf.bprintf
bb " rely='%f'" rely
6846 if abs_float visy
> 1e-6
6848 Printf.bprintf
bb " visy='%f'" visy
6853 then Printf.bprintf
bb " pan='%d'" pan
;
6855 add_attrs bb false dc c;
6856 let kb = keymapsbuf false dc c in
6858 begin match bookmarks with
6860 if Buffer.length
kb > 0
6862 Buffer.add_string
bb ">\n";
6863 Buffer.add_buffer
bb kb;
6864 Buffer.add_string
bb "\n</doc>\n";
6866 else Buffer.add_string
bb "/>\n"
6868 Buffer.add_string
bb ">\n<bookmarks>\n";
6869 List.iter
(fun (title, _level
, (page, rely, visy
)) ->
6871 "<item title='%s' page='%d'"
6872 (enent
title 0 (String.length
title))
6877 Printf.bprintf
bb " rely='%f'" rely
6879 if abs_float visy
> 1e-6
6881 Printf.bprintf
bb " visy='%f'" visy
6883 Buffer.add_string
bb "/>\n";
6885 Buffer.add_string
bb "</bookmarks>";
6886 if Buffer.length
kb > 0
6888 Buffer.add_string
bb "\n";
6889 Buffer.add_buffer
bb kb;
6891 Buffer.add_string
bb "\n</doc>\n";
6897 match state.mode with
6898 | Birdseye
(c, pan, _, _, _) ->
6900 match conf.columns
with
6901 | Cmulti
((c, _, _), _) -> Some
c
6905 match c.columns
with
6906 | Cmulti
(c, _) -> Cmulti
(c, [||])
6907 | Csingle
_ -> Csingle
[||]
6908 | Csplit
_ -> failwith
"quit from bird's eye while split"
6910 pan, { c with beyecolumns = beyecolumns; columns
= columns
}
6911 | _ -> state.x, conf
6913 let basename = Filename.basename state.path in
6914 adddoc basename pan (getanchor ())
6916 let autoscrollstep =
6917 match state.autoscroll
with
6919 | None
-> conf.autoscrollstep
6921 match state.mode with
6922 | Birdseye
(bc
, _, _, _, _) ->
6925 presentation
= bc
.presentation
;
6926 interpagespace
= bc
.interpagespace
;
6927 maxwait
= bc
.maxwait
;
6928 autoscrollstep = autoscrollstep }
6929 | _ -> { conf with autoscrollstep = autoscrollstep }
6931 (if conf.savebmarks
then state.bookmarks else []);
6933 Hashtbl.iter
(fun path (c, bookmarks, x, anchor) ->
6935 then adddoc path x anchor c bookmarks
6937 Buffer.add_string
bb "</llppconfig>\n";
6940 if load1 f && Buffer.length
bb > 0
6943 let tmp = !confpath ^
".tmp" in
6944 let oc = open_out_bin
tmp in
6945 Buffer.output_buffer
oc bb;
6947 Unix.rename
tmp !confpath;
6950 ("error while saving configuration: " ^
Printexc.to_string exn
)
6954 let adderrmsg src msg
=
6955 Buffer.add_string
state.errmsgs msg
;
6956 state.newerrmsgs
<- true;
6960 let adderrfmt src fmt
=
6961 Format.kprintf
(fun s -> adderrmsg src s) fmt
;
6964 let onpagerect pageno f =
6966 match conf.columns
with
6967 | Cmulti
(_, b) -> b
6969 | Csplit
(_, b) -> b
6971 if pageno >= 0 && pageno < Array.length
b
6973 let (pdimno, _, _, (_, _, _, _)) = b.(pageno) in
6974 let r = getpdimrect
pdimno in
6975 f (r.(1)-.r.(0)) (r.(3)-.r.(2))
6979 let cl = splitatspace cmds
in
6981 try Scanf.sscanf
s fmt
f
6983 adderrfmt "remote exec"
6984 "error processing '%S': %s\n" cmds
(Printexc.to_string exn
)
6987 | "reload" :: [] -> reload ()
6988 | "goto" :: args :: [] ->
6989 scan args "%u %f %f"
6991 onpagerect pageno (fun _ h ->
6993 gotopage pageno top;
6996 | "goto1" :: args :: [] -> scan args "%u %f" gotopage
6997 | "rect" :: args :: [] ->
6998 scan args "%u %u %f %f %f %f"
6999 (fun pageno color x0 y0 x1 y1 ->
7000 onpagerect pageno (fun w h ->
7001 let _,w1,h1
,_ = getpagedim pageno in
7002 let sw = float w1 /. w
7003 and sh = float h1
/. h in
7007 and y1s
= y1 *. sh in
7008 let rect = (x0s,y0s
,x1s
,y0s
,x1s
,y1s
,x0s,y1s
) in
7010 state.rects <- (pageno, color, rect) :: state.rects;
7011 G.postRedisplay "rect";
7014 | "quit" :: [] -> raise Quit
7016 adderrfmt "remote command"
7017 "error processing remote command: %S\n" cmds
;
7021 let scratch = String.create
80 in
7022 let buf = Buffer.create
80 in
7025 try Some
(Unix.read fd
scratch 0 80)
7027 | Unix.Unix_error
(Unix.EAGAIN
, _, _) -> None
7028 | Unix.Unix_error
(Unix.EINTR
, _, _) -> tempfr ()
7031 match tempfr () with
7037 if Buffer.length
buf > 0
7039 let s = Buffer.contents
buf in
7049 let pos = String.index_from
scratch ppos '
\n'
in
7050 if pos >= n then -1 else pos
7051 with Not_found
-> -1
7055 Buffer.add_substring
buf scratch ppos
(nlpos-ppos
);
7056 let s = Buffer.contents
buf in
7062 Buffer.add_substring
buf scratch ppos
(n-ppos
);
7068 let remoteopen path =
7069 try Some
(Unix.openfile
path [Unix.O_NONBLOCK
; Unix.O_RDONLY
] 0o0
)
7071 adderrfmt "remoteopen" "error opening %S: %s" path (Printexc.to_string exn
);
7076 let trimcachepath = ref "" in
7077 let rcmdpath = ref "" in
7080 [("-p", Arg.String
(fun s -> state.password
<- s) ,
7081 "<password> Set password");
7083 ("-f", Arg.String
(fun s -> Config.fontpath := s),
7084 "<path> Set path to the user interface font");
7086 ("-c", Arg.String
(fun s -> Config.confpath := s),
7087 "<path> Set path to the configuration file");
7089 ("-tcf", Arg.String
(fun s -> trimcachepath := s),
7090 "<path> Set path to the trim cache file");
7092 ("-dest", Arg.String
(fun s -> state.nameddest
<- s),
7093 "<named-destination> Set named destination");
7095 ("-wtmode", Arg.Set
wtmode, " Operate in wt mode");
7097 ("-remote", Arg.String
(fun s -> rcmdpath := s),
7098 "<path> Set path to the remote commands source");
7100 ("-v", Arg.Unit
(fun () ->
7102 "%s\nconfiguration path: %s\n"
7106 exit
0), " Print version and exit");
7109 (fun s -> state.path <- s)
7110 ("Usage: " ^
Sys.argv
.(0) ^
" [options] some.pdf\nOptions:")
7112 if String.length
state.path = 0
7113 then (prerr_endline
"file name missing"; exit
1);
7115 if not
(Config.load ())
7116 then prerr_endline
"failed to load configuration";
7118 let globalkeyhash = findkeyhash conf "global" in
7119 let wsfd, winw, winh
= Wsi.init
(object
7121 state.wthack <- false;
7122 if nogeomcmds state.geomcmds
|| platform == Posx
7125 GlClear.color (scalecolor2 conf.bgcolor
);
7126 GlClear.clear
[`
color];
7128 method display = display ()
7129 method reshape w h = reshape w h
7130 method mouse b d x y m = mouse b d x y m
7131 method motion x y = state.mpos
<- (x, y); motion x y
7132 method pmotion x y = state.mpos
<- (x, y); pmotion x y
7134 let mascm = m land (
7135 Wsi.altmask
+ Wsi.shiftmask
+ Wsi.ctrlmask
+ Wsi.metamask
7137 match state.keystate
with
7139 let km = k, mascm in
7142 let modehash = state.uioh#
modehash in
7143 try Hashtbl.find modehash km
7145 try Hashtbl.find globalkeyhash km
7146 with Not_found
-> KMinsrt
(k, m)
7148 | KMinsrt
(k, m) -> keyboard k m
7149 | KMinsrl
l -> List.iter
(fun (k, m) -> keyboard k m) l
7150 | KMmulti
(l, r) -> state.keystate
<- KSinto
(l, r)
7152 | KSinto
((k'
, m'
) :: [], insrt
) when k'
=k && m'
land mascm = m'
->
7153 List.iter
(fun (k, m) -> keyboard k m) insrt
;
7154 state.keystate
<- KSnone
7155 | KSinto
((k'
, m'
) :: keys
, insrt
) when k'
=k && m'
land mascm = m'
->
7156 state.keystate
<- KSinto
(keys
, insrt
)
7158 state.keystate
<- KSnone
7160 method enter
x y = state.mpos
<- (x, y); pmotion x y
7161 method leave = state.mpos
<- (-1, -1)
7162 method quit
= raise Quit
7163 end) conf.winw conf.winh
(platform = Posx
) in
7168 List.exists
GlMisc.check_extension
7169 [ "GL_ARB_texture_rectangle"
7170 ; "GL_EXT_texture_recangle"
7171 ; "GL_NV_texture_rectangle" ]
7173 then (prerr_endline
"OpenGL does not suppport rectangular textures"; exit
1);
7176 match Ne.pipe () with
7178 Printf.eprintf
"pipe/crsw failed: %s" (Printexc.to_string exn
);
7182 match Ne.pipe () with
7184 Printf.eprintf
"pipe/srcw failed: %s" (Printexc.to_string exn
);
7194 setcheckers conf.checkers
;
7198 conf.angle
, conf.proportional
, (conf.trimmargins
, conf.trimfuzz
),
7199 conf.texcount
, conf.sliceheight
, conf.mustoresize
, conf.colorspace
,
7200 !Config.fontpath, !trimcachepath,
7201 GlMisc.check_extension
"GL_ARB_pixel_buffer_object"
7205 state.text <- "Opening " ^
(mbtoutf8
state.path);
7207 opendoc state.path state.password
;
7210 Sys.set_signal
Sys.sighup
(Sys.Signal_handle
(fun _ -> reload ()));
7213 if String.length
!rcmdpath > 0
7214 then remoteopen !rcmdpath
7219 let rec loop deadline
=
7221 match state.errfd
with
7222 | None
-> [state.sr
; state.wsfd]
7223 | Some fd
-> [state.sr
; state.wsfd; fd
]
7228 | Some fd
-> fd
:: r
7230 if state.redisplay
&& not
state.wthack
7232 state.redisplay
<- false;
7239 if deadline
= infinity
7241 else max
0.0 (deadline
-. now)
7246 try Unix.select
r [] [] timeout
7247 with Unix.Unix_error
(Unix.EINTR
, _, _) -> [], [], []
7253 if state.ghyll
== noghyll
7255 match state.autoscroll
with
7256 | Some step
when step
!= 0 ->
7257 let y = state.y + step
in
7261 else if y >= state.maxy then 0 else y
7264 if state.mode = View
7265 then state.text <- "";
7268 else deadline
+. 0.01
7273 let rec checkfds = function
7275 | fd
:: rest
when fd
= state.sr
->
7276 let cmd = readcmd state.sr
in
7280 | fd
:: rest
when fd
= state.wsfd ->
7284 | fd
:: rest
when Some fd
= !optrfd ->
7285 begin match remote fd
with
7286 | None
-> optrfd := remoteopen !rcmdpath;
7287 | opt -> optrfd := opt
7292 let s = String.create
80 in
7293 let n = tempfailureretry (Unix.read fd
s 0) 80 in
7294 if conf.redirectstderr
7296 Buffer.add_substring
state.errmsgs
s 0 n;
7297 state.newerrmsgs
<- true;
7298 state.redisplay
<- true;
7301 prerr_string
(String.sub
s 0 n);
7309 if deadline
= infinity
7313 match state.autoscroll
with
7314 | Some step
when step
!= 0 -> deadline1
7315 | _ -> if state.ghyll
== noghyll then infinity
else deadline1