lisp/calendar/cal-tex.el

   1 ;;; cal-tex.el --- calendar functions for printing calendars with LaTeX
   2
   3 ;; Copyright (C) 1995, 2001-2012 Free Software Foundation, Inc.
   4
   5 ;; Author: Steve Fisk <fisk@bowdoin.edu>
   6 ;;         Edward M. Reingold <reingold@cs.uiuc.edu>
   7 ;; Maintainer: Glenn Morris <rgm@gnu.org>
   8 ;; Keywords: calendar
   9 ;; Human-Keywords: Calendar, LaTeX
  10 ;; Package: calendar
  11
  12 ;; This file is part of GNU Emacs.
  13
  14 ;; GNU Emacs is free software: you can redistribute it and/or modify
  15 ;; it under the terms of the GNU General Public License as published by
  16 ;; the Free Software Foundation, either version 3 of the License, or
  17 ;; (at your option) any later version.
  18
  19 ;; GNU Emacs is distributed in the hope that it will be useful,
  20 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 ;; GNU General Public License for more details.
  23
  24 ;; You should have received a copy of the GNU General Public License
  25 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  26
  27 ;;; Commentary:
  28
  29 ;; This collection of functions implements the creation of LaTeX calendars
  30 ;; based on the user's holiday choices and diary file.
  31
  32 ;; The user commands are:
  33 ;; cal-tex-cursor-year
  34 ;; cal-tex-cursor-year-landscape
  35 ;; cal-tex-cursor-filofax-year
  36 ;; cal-tex-cursor-month-landscape
  37 ;; cal-tex-cursor-month
  38 ;; cal-tex-cursor-week
  39 ;; cal-tex-cursor-week2
  40 ;; cal-tex-cursor-week2-summary
  41 ;; cal-tex-cursor-week-iso
  42 ;; cal-tex-cursor-week-monday
  43 ;; cal-tex-cursor-filofax-2week
  44 ;; cal-tex-cursor-filofax-week
  45 ;; cal-tex-cursor-filofax-daily
  46 ;; cal-tex-cursor-day
  47
  48 ;; TO DO
  49 ;;
  50 ;;     (*)  Add holidays and diary entries to daily calendar.
  51 ;;
  52 ;;     (*)  Add diary entries to weekly calendar functions.
  53 ;;
  54 ;;     (*)  Make calendar styles for A4 paper.
  55 ;;
  56 ;;     (*)  Make monthly styles Filofax paper.
  57
  58 ;;; Code:
  59
  60 (require 'calendar)
  61
  62 ;;;
  63 ;;; Customizable variables
  64 ;;;
  65
  66 (defgroup calendar-tex nil
  67   "Options for printing calendar with LaTeX."
  68   :prefix "cal-tex-"
  69   :group 'calendar)
  70
  71 (defcustom cal-tex-which-days '(0 1 2 3 4 5 6)
  72   "The days of the week that are displayed on the portrait monthly calendar.
  73 Sunday is 0, Monday is 1, and so on.  The default is to print from Sunday to
  74 Saturday.  For example, use '(1 3 5) to only print Monday, Wednesday, Friday."
  75   :type '(repeat integer)
  76   :group 'calendar-tex)
  77
  78 (defcustom cal-tex-holidays t
  79   "Non-nil means holidays are printed in the LaTeX calendars that support it.
  80 Setting this to nil may speed up calendar generation."
  81   :type 'boolean
  82   :group 'calendar-tex)
  83
  84 (defcustom cal-tex-diary nil
  85   "Non-nil means diary entries are printed in LaTeX calendars that support it.
  86 Setting this to nil may speed up calendar generation."
  87   :type 'boolean
  88   :group 'calendar-tex)
  89
  90 (defcustom cal-tex-rules nil
  91   "Non-nil means pages will be ruled in some LaTeX calendar styles.
  92 At present, this only affects the daily filofax calendar."
  93   :type 'boolean
  94   :group 'calendar-tex)
  95
  96 (defcustom cal-tex-daily-string
  97   '(let* ((year (calendar-extract-year date))
  98           (day (calendar-day-number date))
  99           (days-remaining (- (calendar-day-number (list 12 31 year)) day)))
 100      (format "%d/%d" day days-remaining))
 101   "Lisp expression giving the date format to use in the LaTeX calendars.
 102 This should be an expression involving the variable `date'.  When
 103 this expression is called, `date' is a list of the form '(MONTH DAY YEAR)'.
 104
 105 The string resulting from evaluating this expression is placed at
 106 the bottom center of each date in monthly calendars, next to the
 107 date in the weekly calendars, and in the top center of daily calendars.
 108
 109 The default is ordinal day number of the year and the number of
 110 days remaining.  As an example, setting this to
 111
 112     '(calendar-hebrew-date-string date)
 113
 114 will put the Hebrew date at the bottom of each day."
 115   :type 'sexp
 116   :group 'calendar-tex)
 117
 118 (defcustom cal-tex-buffer "calendar.tex"
 119   "The name for the output LaTeX calendar buffer."
 120   :type 'string
 121   :group 'calendar-tex)
 122
 123 (defcustom cal-tex-24 nil
 124   "Non-nil means use a 24 hour clock in the daily calendar."
 125   :type 'boolean
 126   :group 'calendar-tex)
 127
 128 (defcustom cal-tex-daily-start 8
 129   "The first hour of the daily LaTeX calendar page.
 130 At present, this only affects `cal-tex-cursor-day'."
 131   :type 'integer
 132   :group 'calendar-tex)
 133
 134 (defcustom cal-tex-daily-end 20
 135   "The last hour of the daily LaTeX calendar page.
 136 At present, this only affects `cal-tex-cursor-day'."
 137   :type 'integer
 138   :group 'calendar-tex)
 139
 140 (defcustom cal-tex-preamble-extra nil
 141   "A string giving extra LaTeX commands to insert in the calendar preamble.
 142 For example, to include extra packages:
 143 \"\\\\usepackage{foo}\\n\\\\usepackage{bar}\\n\"."
 144   :type '(choice (const nil)
 145                  ;; An example to help people format things in custom.
 146                  (string :value "\\usepackage{foo}\n\\usepackage{bar}\n"))
 147   :group 'calendar-tex
 148   :version "22.1")
 149
 150 (defcustom cal-tex-hook nil
 151   "List of functions called after any LaTeX calendar buffer is generated.
 152 You can use this to do post-processing on the buffer.  For example, to change
 153 characters with diacritical marks to their LaTeX equivalents, use
 154     (add-hook 'cal-tex-hook
 155               (lambda () (iso-iso2tex (point-min) (point-max))))"
 156   :type 'hook
 157   :group 'calendar-tex)
 158
 159 (defcustom cal-tex-year-hook nil
 160   "List of functions called after a LaTeX year calendar buffer is generated."
 161   :type 'hook
 162   :group 'calendar-tex)
 163
 164 (defcustom cal-tex-month-hook nil
 165   "List of functions called after a LaTeX month calendar buffer is generated."
 166   :type 'hook
 167   :group 'calendar-tex)
 168
 169 (defcustom cal-tex-week-hook nil
 170   "List of functions called after a LaTeX week calendar buffer is generated."
 171   :type 'hook
 172   :group 'calendar-tex)
 173
 174 (defcustom cal-tex-daily-hook nil
 175   "List of functions called after a LaTeX daily calendar buffer is generated."
 176   :type 'hook
 177   :group 'calendar-tex)
 178
 179 ;;;
 180 ;;; Definitions for LaTeX code
 181 ;;;
 182
 183 (defconst cal-tex-day-prefix "\\caldate{%s}{%s}"
 184   "The initial LaTeX code for a day.
 185 The holidays, diary entries, bottom string, and the text follow.")
 186
 187 (defconst cal-tex-day-name-format "\\myday{%s}%%"
 188   "The format for LaTeX code for a day name.
 189 The names are taken from `calendar-day-name-array'.")
 190
 191 (defconst cal-tex-cal-one-month
 192   "\\def\\calmonth#1#2%
 193 {\\begin{center}%
 194 \\Huge\\bf\\uppercase{#1} #2 \\\\[1cm]%
 195 \\end{center}}%
 196 \\vspace*{-1.5cm}%
 197 %
 198 "
 199   "LaTeX code for the month header, for a single month calendar.")
 200
 201 (defconst cal-tex-cal-multi-month
 202   "\\def\\calmonth#1#2#3#4%
 203 {\\begin{center}%
 204 \\Huge\\bf #1 #2---#3 #4\\\\[1cm]%
 205 \\end{center}}%
 206 \\vspace*{-1.5cm}%
 207 %
 208 "
 209   "LaTeX code for the month header, for a multi-month calendar.")
 210
 211 (defconst cal-tex-myday
 212   "\\renewcommand{\\myday}[1]%
 213 {\\makebox[\\cellwidth]{\\hfill\\large\\bf#1\\hfill}}
 214 %
 215 "
 216   "LaTeX code for a day heading.")
 217
 218 (defconst cal-tex-caldate
 219 "\\fboxsep=0pt
 220 \\long\\def\\caldate#1#2#3#4#5#6{%
 221     \\fbox{\\hbox to\\cellwidth{%
 222      \\vbox to\\cellheight{%
 223        \\hbox to\\cellwidth{%
 224           {\\hspace*{1mm}\\Large \\bf \\strut #2}\\hspace{.05\\cellwidth}%
 225           \\raisebox{\\holidaymult\\cellheight}%
 226                    {\\parbox[t]{.75\\cellwidth}{\\tiny \\raggedright #4}}}
 227        \\hbox to\\cellwidth{%
 228            \\hspace*{1mm}\\parbox{.95\\cellwidth}{\\tiny \\raggedright #3}}
 229        \\hspace*{1mm}%
 230        \\hbox to\\cellwidth{#6}%
 231        \\vfill%
 232        \\hbox to\\cellwidth{\\hfill \\tiny #5 \\hfill}%
 233        \\vskip 1.4pt}%
 234      \\hskip -0.4pt}}}
 235 "
 236   "LaTeX code to insert one box with date info in calendar.
 237 This definition is the heart of the calendar!")
 238
 239 (defconst cal-tex-lefthead
 240   "\\def\\lefthead#1{\\noindent {\\normalsize \\bf #1}\\hfill\\\\[-6pt]}\n"
 241   "LaTeX code for left header.")
 242
 243 (defconst cal-tex-righthead
 244   "\\def\\righthead#1{\\hfill {\\normalsize \\bf #1}\\\\[-6pt]}\n"
 245   "LaTeX code for right header.")
 246
 247 (autoload 'holiday-in-range "holidays")
 248
 249 (define-obsolete-function-alias 'cal-tex-list-holidays 'holiday-in-range "24.3")
 250
 251 (autoload 'diary-list-entries "diary-lib")
 252
 253 (defun cal-tex-list-diary-entries (d1 d2)
 254   "Generate a list of all diary-entries from absolute date D1 to D2."
 255   (let (diary-list-include-blanks)
 256     (diary-list-entries (calendar-gregorian-from-absolute d1)
 257                         (1+ (- d2 d1)) t)))
 258
 259 (defun cal-tex-preamble (&optional args)
 260   "Insert the LaTeX calendar preamble into `cal-tex-buffer'.
 261 Preamble includes initial definitions for various LaTeX commands.
 262 Optional string ARGS are included as options for the article document class."
 263   (set-buffer (generate-new-buffer cal-tex-buffer))
 264   (insert (format "\\documentclass%s{article}\n"
 265                   (if (stringp args)
 266                       (format "[%s]" args)
 267                     "")))
 268   (if (stringp cal-tex-preamble-extra)
 269       (insert cal-tex-preamble-extra "\n"))
 270   ;; FIXME boxwidth and boxheight unused?
 271   (insert "\\hbadness 20000
 272 \\hfuzz=1000pt
 273 \\vbadness 20000
 274 \\lineskip 0pt
 275 \\marginparwidth 0pt
 276 \\oddsidemargin  -2cm
 277 \\evensidemargin -2cm
 278 \\marginparsep   0pt
 279 \\topmargin      0pt
 280 \\textwidth      7.5in
 281 \\textheight     9.5in
 282 \\newlength{\\cellwidth}
 283 \\newlength{\\cellheight}
 284 \\newlength{\\boxwidth}
 285 \\newlength{\\boxheight}
 286 \\newlength{\\cellsize}
 287 \\newcommand{\\myday}[1]{}
 288 \\newcommand{\\caldate}[6]{}
 289 \\newcommand{\\nocaldate}[6]{}
 290 \\newcommand{\\calsmall}[6]{}
 291 %
 292 "))
 293
 294 ;;;
 295 ;;;  Yearly calendars
 296 ;;;
 297
 298 ;;;###cal-autoload
 299 (defun cal-tex-cursor-year (&optional n event)
 300   "Make a buffer with LaTeX commands for the year cursor is on.
 301 Optional prefix argument N specifies number of years.
 302 Optional EVENT indicates a buffer position to use instead of point."
 303   (interactive (list (prefix-numeric-value current-prefix-arg)
 304                      last-nonmenu-event))
 305   (cal-tex-year (calendar-extract-year (calendar-cursor-to-date t event))
 306                 (or n 1)))
 307
 308 ;;;###cal-autoload
 309 (defun cal-tex-cursor-year-landscape (&optional n event)
 310   "Make a buffer with LaTeX commands for the year cursor is on.
 311 Optional prefix argument N specifies number of years.
 312 Optional EVENT indicates a buffer position to use instead of point."
 313   (interactive (list (prefix-numeric-value current-prefix-arg)
 314                      last-nonmenu-event))
 315   (cal-tex-year (calendar-extract-year (calendar-cursor-to-date t event))
 316                 (or n 1) t))
 317
 318 (defun cal-tex-year (year n &optional landscape)
 319   "Make a one page yearly calendar of YEAR; do this for N years.
 320 There are four rows of three months each, unless optional
 321 LANDSCAPE is non-nil, in which case the calendar is printed in
 322 landscape mode with three rows of four months each."
 323   (cal-tex-insert-preamble 1 landscape "12pt")
 324   (if landscape
 325       (cal-tex-vspace "-.6cm")
 326     (cal-tex-vspace "-3.1cm"))
 327   (dotimes (j n)
 328     (insert "\\vfill%\n")
 329     (cal-tex-b-center)
 330     (cal-tex-Huge (number-to-string year))
 331     (cal-tex-e-center)
 332     (cal-tex-vspace "1cm")
 333     (cal-tex-b-center)
 334     (cal-tex-b-parbox "l" (if landscape "5.9in" "4.3in"))
 335     (insert "\n")
 336     (cal-tex-noindent)
 337     (cal-tex-nl)
 338     (dotimes (i 12)
 339       (insert (cal-tex-mini-calendar (1+ i) year "month" "1.1in" "1in"))
 340       (insert "\\month")
 341       (cal-tex-hspace "0.5in")
 342       (if (zerop (mod (1+ i) (if landscape 4 3)))
 343           (cal-tex-nl "0.5in")))
 344     (cal-tex-e-parbox)
 345     (cal-tex-e-center)
 346     (insert "\\vfill%\n")
 347     (setq year (1+ year))
 348     (if (= j (1- n))
 349         (cal-tex-end-document)
 350       (cal-tex-newpage))
 351     (run-hooks 'cal-tex-year-hook))
 352   (run-hooks 'cal-tex-hook))
 353
 354
 355 (defun cal-tex-filofax-paper (&optional year)
 356   "Insert some page size settings for filofax layouts."
 357   (insert "\\textwidth 3.25in
 358 \\textheight 6.5in
 359 \\headheight -0.875in
 360 \\topmargin 0pt
 361 ")
 362   (insert
 363    ;; Why is this one subtly different?  Who knows...
 364    (if year "\\oddsidemargin 1.675in
 365 \\evensidemargin 1.675in
 366 "
 367      "\\oddsidemargin 1.75in
 368 \\evensidemargin 1.5in
 369 \\headsep 0.125in
 370 \\footskip 0.125in
 371 ")))
 372
 373 (defun cal-tex-longday (funcname height)
 374   "Insert LaTeX code for a long day function."
 375   (insert "\\long\\def\\" funcname "#1#2#3#4#5{%
 376    \\rule{\\textwidth}{0.3pt}\\\\%
 377    \\hbox to \\textwidth{%
 378      \\vbox to " height "{%
 379        \\vspace*{2pt}%
 380        \\hbox to \\textwidth{"
 381      (if (string-equal funcname "leftday")
 382          "\\noindent {\\normalsize \\bf #2} \\small #1 \\hfill #5}%\n"
 383        "\\small #5 \\hfill #1 {\\normalsize \\bf #2}}%\n")
 384      "       \\hbox to \\textwidth{\\vbox {\\"
 385      (if (string-equal funcname "leftday") "noindent" "raggedleft")
 386      " \\footnotesize \\em #4}}%
 387        \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #3}}}}\\\\}\n"))
 388
 389 (defun cal-tex-shortday (funcname)
 390   "Insert LaTeX code for a short day function."
 391   (insert "\\long\\def\\" funcname "#1#2#3{%
 392    \\rule{\\textwidth}{0.3pt}\\\\%
 393    \\hbox to \\textwidth{%
 394      \\vbox {%
 395           \\vspace*{2pt}%
 396           \\hbox to \\textwidth{\\hfill \\small #3 \\hfill}%
 397           \\hbox to \\textwidth{\\vbox {\\"
 398           (if (string-equal funcname "rightday") "raggedleft" "noindent")
 399           " \\em #2}}%
 400           \\hbox to \\textwidth{\\vbox {\\noindent \\footnotesize #1}}}}}\n"))
 401
 402 ;;;###cal-autoload
 403 (defun cal-tex-cursor-filofax-year (&optional n event)
 404   "Make a Filofax one page yearly calendar of year indicated by cursor.
 405 Optional prefix argument N specifies number of years.
 406 Optional EVENT indicates a buffer position to use instead of point."
 407   (interactive (list (prefix-numeric-value current-prefix-arg)
 408                      last-nonmenu-event))
 409   (or n (setq n 1))
 410   (let ((year (calendar-extract-year (calendar-cursor-to-date t event))))
 411     (cal-tex-preamble "twoside")
 412     (cal-tex-filofax-paper 'year)
 413     (cal-tex-cmd "\\fboxsep 0.5mm")
 414     (cal-tex-cmd "\\pagestyle" "empty")
 415     (cal-tex-b-document)
 416     (cal-tex-vspace "0.25in")
 417     (dotimes (j n)
 418       (insert (format "\\hfil \\textbf{\\Large %s} \\hfil\\\\\n" year))
 419       (cal-tex-b-center)
 420       (cal-tex-b-parbox "l" "\\textwidth")
 421       (insert "\n")
 422       (cal-tex-noindent)
 423       (cal-tex-nl)
 424       (let ((month-names; don't use default in case user changed it
 425              ;; These are only used to define the command names, not
 426              ;; the names of the months they insert.
 427              ["January" "February" "March" "April" "May" "June"
 428               "July" "August" "September" "October" "November" "December"]))
 429         (dotimes (i 12)
 430           (insert (cal-tex-mini-calendar (1+ i) year (aref month-names i)
 431                                          "1in" ".9in" "tiny" "0.6mm"))))
 432       (insert
 433        "\\noindent\\fbox{\\January}\\fbox{\\February}\\fbox{\\March}\\\\
 434 \\noindent\\fbox{\\April}\\fbox{\\May}\\fbox{\\June}\\\\
 435 \\noindent\\fbox{\\July}\\fbox{\\August}\\fbox{\\September}\\\\
 436 \\noindent\\fbox{\\October}\\fbox{\\November}\\fbox{\\December}
 437 ")
 438       (cal-tex-e-parbox)
 439       (cal-tex-e-center)
 440       (setq year (1+ year))
 441       (if (= j (1- n))
 442           (cal-tex-end-document)
 443         (cal-tex-newpage)
 444         (cal-tex-vspace "0.25in"))
 445       (run-hooks 'cal-tex-year-hook))
 446     (run-hooks 'cal-tex-hook)))
 447
 448 ;;;
 449 ;;;  Monthly calendars
 450 ;;;
 451
 452 ;;;###cal-autoload
 453 (defun cal-tex-cursor-month-landscape (&optional n event)
 454   "Make a LaTeX calendar buffer for the month the cursor is on.
 455 Optional prefix argument N specifies number of months to be
 456 produced (default 1).  The output is in landscape format, one
 457 month to a page.  It shows holiday and diary entries if
 458 `cal-tex-holidays' and `cal-tex-diary', respectively, are non-nil.
 459 Optional EVENT indicates a buffer position to use instead of point."
 460   (interactive (list (prefix-numeric-value current-prefix-arg)
 461                      last-nonmenu-event))
 462   (or n (setq n 1))
 463   (let* ((date (calendar-cursor-to-date t event))
 464          (month (calendar-extract-month date))
 465          (year (calendar-extract-year date))
 466          (end-month month)
 467          (end-year year)
 468          (cal-tex-which-days '(0 1 2 3 4 5 6))
 469          (d1 (calendar-absolute-from-gregorian (list month 1 year)))
 470          (d2 (progn
 471                (calendar-increment-month end-month end-year (1- n))
 472                (calendar-absolute-from-gregorian
 473                 (list end-month
 474                       (calendar-last-day-of-month end-month end-year)
 475                       end-year))))
 476          (diary-list (if cal-tex-diary (cal-tex-list-diary-entries d1 d2)))
 477          (holidays (if cal-tex-holidays (holiday-in-range d1 d2)))
 478          other-month other-year small-months-at-start)
 479     (cal-tex-insert-preamble (cal-tex-number-weeks month year 1) t "12pt")
 480     (cal-tex-cmd cal-tex-cal-one-month)
 481     (dotimes (i n)
 482       (setq other-month month
 483             other-year year)
 484       (calendar-increment-month other-month other-year -1)
 485       (insert (cal-tex-mini-calendar other-month other-year "lastmonth"
 486                                      "\\cellwidth" "\\cellheight"))
 487       (calendar-increment-month other-month other-year 2)
 488       (insert (cal-tex-mini-calendar other-month other-year "nextmonth"
 489                                      "\\cellwidth" "\\cellheight"))
 490       (cal-tex-insert-month-header 1 month year month year)
 491       (cal-tex-insert-day-names)
 492       (cal-tex-nl ".2cm")
 493       (if (setq small-months-at-start
 494                 (< 1 (mod (- (calendar-day-of-week (list month 1 year))
 495                                calendar-week-start-day)
 496                           7)))
 497           (insert "\\lastmonth\\nextmonth\\hspace*{-2\\cellwidth}"))
 498       (cal-tex-insert-blank-days month year cal-tex-day-prefix)
 499       (cal-tex-insert-days month year diary-list holidays
 500                            cal-tex-day-prefix)
 501       (cal-tex-insert-blank-days-at-end month year cal-tex-day-prefix)
 502       (if (and (not small-months-at-start)
 503                (< 1 (mod (- (1- calendar-week-start-day)
 504                             (calendar-day-of-week
 505                              (list month
 506                                    (calendar-last-day-of-month month year)
 507                                    year)))
 508                          7)))
 509           (insert "\\vspace*{-\\cellwidth}\\hspace*{-2\\cellwidth}"
 510                   "\\lastmonth\\nextmonth%
 511 "))
 512       (unless (= i (1- n))
 513         (run-hooks 'cal-tex-month-hook)
 514         (cal-tex-newpage)
 515         (calendar-increment-month month year 1)
 516         (cal-tex-vspace "-2cm")
 517         (cal-tex-insert-preamble
 518          (cal-tex-number-weeks month year 1) t "12pt" t))))
 519   (cal-tex-end-document)
 520   (run-hooks 'cal-tex-hook))
 521
 522 ;;;###cal-autoload
 523 (defun cal-tex-cursor-month (&optional n event)
 524   "Make a LaTeX calendar buffer for the month the cursor is on.
 525 Optional prefix argument N specifies number of months to be
 526 produced (default 1).  The calendar is condensed onto one page.
 527 It shows holiday and diary entries if `cal-tex-holidays' and
 528 `cal-tex-diary', respectively, are non-nil.  Optional EVENT
 529 indicates a buffer position to use instead of point."
 530   (interactive (list (prefix-numeric-value current-prefix-arg)
 531                      last-nonmenu-event))
 532   (or n (setq n 1))
 533   (let* ((date (calendar-cursor-to-date t event))
 534          (month (calendar-extract-month date))
 535          (year (calendar-extract-year date))
 536          (end-month month)
 537          (end-year year)
 538          ;; FIXME -landscape sets cal-tex-which-days?
 539          (d1 (calendar-absolute-from-gregorian (list month 1 year)))
 540          (d2 (progn
 541                (calendar-increment-month end-month end-year (1- n))
 542                (calendar-absolute-from-gregorian
 543                 (list end-month
 544                       (calendar-last-day-of-month end-month end-year)
 545                       end-year))))
 546          (diary-list (if cal-tex-diary (cal-tex-list-diary-entries d1 d2)))
 547          (holidays (if cal-tex-holidays (holiday-in-range d1 d2))))
 548     (cal-tex-insert-preamble (cal-tex-number-weeks month year n) nil "12pt")
 549     (if (> n 1)
 550         (cal-tex-cmd cal-tex-cal-multi-month)
 551       (cal-tex-cmd cal-tex-cal-one-month))
 552     (cal-tex-insert-month-header n month year end-month end-year)
 553     (cal-tex-insert-day-names)
 554     (cal-tex-nl ".2cm")
 555     (cal-tex-insert-blank-days month year cal-tex-day-prefix)
 556     (dotimes (_idummy n)
 557       (cal-tex-insert-days month year diary-list holidays cal-tex-day-prefix)
 558       (when (= (calendar-week-end-day)
 559                (calendar-day-of-week
 560                 (list month
 561                       (calendar-last-day-of-month month year)
 562                       year))) ; last day of month was last day of week
 563         (cal-tex-hfill)
 564         (cal-tex-nl))
 565       (calendar-increment-month month year 1))
 566     (cal-tex-insert-blank-days-at-end end-month end-year cal-tex-day-prefix))
 567   (cal-tex-end-document)
 568   (run-hooks 'cal-tex-hook))
 569
 570 (defun cal-tex-insert-days (month year diary-list holidays day-format)
 571   "Insert LaTeX commands for a range of days in monthly calendars.
 572 LaTeX commands are inserted for the days of the MONTH in YEAR.
 573 Diary entries on DIARY-LIST are included.  Holidays on HOLIDAYS
 574 are included.  Each day is formatted using format DAY-FORMAT."
 575   (let ((blank-days                     ; at start of month
 576          (mod
 577           (- (calendar-day-of-week (list month 1 year))
 578              calendar-week-start-day)
 579           7))
 580         (last (calendar-last-day-of-month month year))
 581         date j)
 582     (dotimes (i last)
 583       (setq j (1+ i)                    ; 1-last, incl
 584             date (list month j year))
 585       (when (memq (calendar-day-of-week date) cal-tex-which-days)
 586         (insert (format day-format (cal-tex-month-name month) j))
 587         (cal-tex-arg (cal-tex-latexify-list diary-list date))
 588         (cal-tex-arg (cal-tex-latexify-list holidays date))
 589         (cal-tex-arg (eval cal-tex-daily-string))
 590         (cal-tex-arg)
 591         (cal-tex-comment))
 592       (when (and (zerop (mod (+ j blank-days) 7))
 593                  (/= j last))
 594         (cal-tex-hfill)
 595         (cal-tex-nl)))))
 596
 597 (defun cal-tex-insert-day-names ()
 598   "Insert the names of the days at top of a monthly calendar."
 599   (let (j)
 600     (dotimes (i 7)
 601       (if (memq (setq j (mod (+ calendar-week-start-day i) 7))
 602                 cal-tex-which-days)
 603           (insert (format cal-tex-day-name-format
 604                           (cal-tex-LaTeXify-string
 605                            (aref calendar-day-name-array j)))))
 606       (cal-tex-comment))))
 607
 608 (defun cal-tex-insert-month-header (n month year end-month end-year)
 609   "Create a title for a calendar.
 610 A title is inserted for a calendar with N months starting with
 611 MONTH YEAR and ending with END-MONTH END-YEAR."
 612   (let ((month-name (cal-tex-month-name month))
 613         (end-month-name (cal-tex-month-name end-month)))
 614     (if (= 1 n)
 615         (insert (format "\\calmonth{%s}{%s}\n\\vspace*{-0.5cm}"
 616                         month-name year) )
 617       (insert (format "\\calmonth{%s}{%s}{%s}{%s}\n\\vspace*{-0.5cm}"
 618                       month-name year end-month-name end-year))))
 619   (cal-tex-comment))
 620
 621 (defun cal-tex-insert-blank-days (month year day-format)
 622   "Insert code for initial days not in calendar.
 623 Insert LaTeX code for the blank days at the beginning of the MONTH in
 624 YEAR.  The entry is formatted using DAY-FORMAT.  If the entire week is
 625 blank, no days are inserted."
 626   (if (cal-tex-first-blank-p month year)
 627       (let ((blank-days                ; at start of month
 628              (mod
 629               (- (calendar-day-of-week (list month 1 year))
 630                  calendar-week-start-day)
 631               7)))
 632         (dotimes (i blank-days)
 633           (if (memq (mod (+ calendar-week-start-day i) 7) cal-tex-which-days)
 634               (insert (format day-format " " " ") "{}{}{}{}%\n"))))))
 635
 636 (defun cal-tex-insert-blank-days-at-end (month year day-format)
 637   "Insert code for final days not in calendar.
 638 Insert LaTeX code for the blank days at the end of the MONTH in YEAR.
 639 The entry is formatted using DAY-FORMAT."
 640   (if (cal-tex-last-blank-p month year)
 641       (let* ((last-day (calendar-last-day-of-month month year))
 642              (blank-days                ; at end of month
 643               (mod
 644                (- (calendar-day-of-week (list month last-day year))
 645                   calendar-week-start-day)
 646                7))
 647              (i blank-days))
 648         (while (<= (setq i (1+ i)) 6)
 649           (if (memq (mod (+ calendar-week-start-day i) 7) cal-tex-which-days)
 650               (insert (format day-format "" "") "{}{}{}{}%\n"))))))
 651
 652 (defun cal-tex-first-blank-p (month year)
 653   "Determine if any days of the first week will be printed.
 654 Return t if there will there be any days of the first week printed
 655 in the calendar starting in MONTH YEAR."
 656   ;; Check days 1-7 of the month, until we find the last day of the week.
 657   (catch 'found
 658     (let (dow)
 659       (dotimes (i 7)
 660         (if (memq (setq dow (calendar-day-of-week (list month (1+ i) year)))
 661                   cal-tex-which-days)
 662             (throw 'found t)
 663           (if (= dow (calendar-week-end-day)) (throw 'found nil)))))))
 664
 665 (defun cal-tex-last-blank-p (month year)
 666   "Determine if any days of the last week will be printed.
 667 Return t if there will there be any days of the last week printed
 668 in the calendar starting in MONTH YEAR."
 669   ;; Check backwards from the last day of the month, until we find the
 670   ;; start of the last week in the month.
 671   (catch 'found
 672     (let ((last-day (calendar-last-day-of-month month year))
 673           dow)
 674       (dotimes (i 7)
 675         (if (memq (setq dow (calendar-day-of-week
 676                              (list month (- last-day i) year)))
 677                   cal-tex-which-days)
 678             (throw 'found t)
 679           (if (= dow calendar-week-start-day) (throw 'found nil)))))))
 680
 681 (defun cal-tex-number-weeks (month year n)
 682   "Determine the number of weeks in a range of dates.
 683 Compute the number of weeks in the calendar starting with MONTH and YEAR,
 684 and lasting N months, including only the days in WHICH-DAYS.  As it stands,
 685 this is only an upper bound."
 686   (let ((d (list month 1 year)))
 687     (calendar-increment-month month year (1- n))
 688     (/ (- (calendar-dayname-on-or-before
 689            calendar-week-start-day
 690            (+ 7 (calendar-absolute-from-gregorian
 691                    (list month (calendar-last-day-of-month month year) year))))
 692           (calendar-dayname-on-or-before
 693            calendar-week-start-day
 694            (calendar-absolute-from-gregorian d)))
 695        7)))
 696
 697 ;;;
 698 ;;; Weekly calendars
 699 ;;;
 700
 701 (defconst cal-tex-LaTeX-hourbox
 702   "\\newcommand{\\hourbox}[2]%
 703 {\\makebox[2em]{\\rule{0cm}{#2ex}#1}\\rule{3in}{.15mm}}\n"
 704   "One hour and a line on the right.")
 705
 706 (defun cal-tex-weekly-paper (&optional nomargins)
 707   "Insert some page size settings for weekly layouts."
 708   (insert "\\textwidth 6.5in
 709 \\textheight 10.5in
 710 ")
 711   (or nomargins (insert "\\oddsidemargin 0in
 712 \\evensidemargin 0in
 713 ")))
 714
 715 ;; TODO cal-tex-diary-support.
 716 ;; TODO respect cal-tex-daily-start,end (see cal-tex-week-hours).
 717 ;;;###cal-autoload
 718 (defun cal-tex-cursor-week (&optional n event)
 719   "Make a one page LaTeX calendar for one week, showing hours of the day.
 720 There are two columns; with 8-12am in the first and 1-5pm in the second.
 721 It shows holidays if `cal-tex-holidays' is non-nil.
 722 It does not show diary entries.
 723
 724 The optional prefix argument N specifies a number of weeks (default 1).
 725
 726 By default, the calendar is for the week at point; the optional
 727 argument EVENT specifies a different buffer position."
 728   (interactive (list (prefix-numeric-value current-prefix-arg)
 729                      last-nonmenu-event))
 730   (or n (setq n 1))
 731   (let* ((date (calendar-gregorian-from-absolute
 732                 (calendar-dayname-on-or-before
 733                  calendar-week-start-day
 734                  (calendar-absolute-from-gregorian
 735                   (calendar-cursor-to-date t event)))))
 736          (month (calendar-extract-month date))
 737          (year (calendar-extract-year date))
 738          (d1 (calendar-absolute-from-gregorian date))
 739          (d2 (+ (* 7 n) d1))
 740          (holidays (if cal-tex-holidays
 741                        (holiday-in-range d1 d2))))
 742     (cal-tex-preamble "11pt")
 743     (cal-tex-weekly-paper)
 744     (insert cal-tex-LaTeX-hourbox)
 745     (cal-tex-b-document)
 746     (cal-tex-cmd "\\pagestyle" "empty")
 747     (dotimes (i n)
 748       (cal-tex-vspace "-1.5in")
 749       (cal-tex-b-center)
 750       (cal-tex-Huge-bf (format "\\uppercase{%s}"
 751                                (cal-tex-month-name month)))
 752       (cal-tex-hspace "2em")
 753       (cal-tex-Huge-bf (number-to-string year))
 754       (cal-tex-nl ".5cm")
 755       (cal-tex-e-center)
 756       (cal-tex-hspace "-.2in")
 757       (cal-tex-b-parbox "l" "7in")
 758       (dotimes (_jdummy 7)
 759         (cal-tex-week-hours date holidays "3.1")
 760         (setq date (cal-tex-incr-date date)))
 761       (cal-tex-e-parbox)
 762       (setq month (calendar-extract-month date)
 763             year (calendar-extract-year date))
 764       (unless (= i (1- n))
 765         (run-hooks 'cal-tex-week-hook)
 766         (cal-tex-newpage)))
 767     (cal-tex-end-document)
 768     (run-hooks 'cal-tex-hook)))
 769
 770 ;; TODO cal-tex-diary support.
 771 ;; TODO respect cal-tex-daily-start,end (see cal-tex-week-hours).
 772 ;;;###cal-autoload
 773 (defun cal-tex-cursor-week2 (&optional n event)
 774   "Make a two page LaTeX calendar for one week, showing hours of the day.
 775 There are two columns; with 8-12am in the first and 1-5pm in the second.
 776 It shows holidays if `cal-tex-holidays' is non-nil.
 777 It does not show diary entries.
 778
 779 The optional prefix argument N specifies a number of weeks (default 1).
 780
 781 By default, the calendar is for the week at point; the optional
 782 argument EVENT specifies a different buffer position."
 783   (interactive (list (prefix-numeric-value current-prefix-arg)
 784                      last-nonmenu-event))
 785   (or n (setq n 1))
 786   (let* ((date (calendar-gregorian-from-absolute
 787                 (calendar-dayname-on-or-before
 788                  calendar-week-start-day
 789                  (calendar-absolute-from-gregorian
 790                   (calendar-cursor-to-date t event)))))
 791          (month (calendar-extract-month date))
 792          (year (calendar-extract-year date))
 793          (d1 (calendar-absolute-from-gregorian date))
 794          (d2 (+ (* 7 n) d1))
 795          (holidays (if cal-tex-holidays
 796                        (holiday-in-range d1 d2))))
 797     (cal-tex-preamble "12pt")
 798     (cal-tex-weekly-paper)
 799     (insert cal-tex-LaTeX-hourbox)
 800     (cal-tex-b-document)
 801     (cal-tex-cmd "\\pagestyle" "empty")
 802     (dotimes (i n)
 803       (cal-tex-vspace "-1.5in")
 804       (cal-tex-b-center)
 805       (cal-tex-Huge-bf (format "\\uppercase{%s}"
 806                                (cal-tex-month-name month)))
 807       (cal-tex-hspace "2em")
 808       (cal-tex-Huge-bf (number-to-string year))
 809       (cal-tex-nl ".5cm")
 810       (cal-tex-e-center)
 811       (cal-tex-hspace "-.2in")
 812       (cal-tex-b-parbox "l" "\\textwidth")
 813       (dotimes (_jdummy 3)
 814         (cal-tex-week-hours date holidays "5")
 815         (setq date (cal-tex-incr-date date)))
 816       (cal-tex-e-parbox)
 817       (cal-tex-nl)
 818       (insert (cal-tex-mini-calendar
 819                (calendar-extract-month (cal-tex-previous-month date))
 820                (calendar-extract-year (cal-tex-previous-month date))
 821                "lastmonth" "1.1in" "1in"))
 822       (insert (cal-tex-mini-calendar
 823                (calendar-extract-month date)
 824                (calendar-extract-year date)
 825                "thismonth" "1.1in" "1in"))
 826       (insert (cal-tex-mini-calendar
 827                (calendar-extract-month (cal-tex-next-month date))
 828                (calendar-extract-year (cal-tex-next-month date))
 829                "nextmonth" "1.1in" "1in"))
 830       (insert "\\hbox to \\textwidth{")
 831       (cal-tex-hfill)
 832       (insert "\\lastmonth")
 833       (cal-tex-hfill)
 834       (insert "\\thismonth")
 835       (cal-tex-hfill)
 836       (insert "\\nextmonth")
 837       (cal-tex-hfill)
 838       (insert "}")
 839       (cal-tex-nl)
 840       (cal-tex-b-parbox "l" "\\textwidth")
 841       (dotimes (_jdummy 4)
 842         (cal-tex-week-hours date holidays "5")
 843         (setq date (cal-tex-incr-date date)))
 844       (cal-tex-e-parbox)
 845       (setq month (calendar-extract-month date)
 846             year (calendar-extract-year date))
 847       (unless (= i (1- n))
 848         (run-hooks 'cal-tex-week-hook)
 849         (cal-tex-newpage)))
 850     (cal-tex-end-document)
 851     (run-hooks 'cal-tex-hook)))
 852
 853 (autoload 'calendar-iso-from-absolute "cal-iso")
 854
 855 ;;;###cal-autoload
 856 (defun cal-tex-cursor-week-iso (&optional n event)
 857   "Make a one page LaTeX calendar for one week, in the ISO-style.
 858 It does not show hours of the day.
 859 It shows holidays if `cal-tex-holidays' is non-nil.
 860 It shows diary entries if `cal-tex-diary' is non-nil.
 861
 862 The optional prefix argument N specifies a number of weeks (default 1).
 863
 864 By default, the calendar is for the week at point; the optional
 865 argument EVENT specifies a different buffer position."
 866   (interactive (list (prefix-numeric-value current-prefix-arg)
 867                      last-nonmenu-event))
 868   (or n (setq n 1))
 869   (let* ((date (calendar-gregorian-from-absolute
 870                 (calendar-dayname-on-or-before
 871                  1
 872                  (calendar-absolute-from-gregorian
 873                   (calendar-cursor-to-date t event)))))
 874          (month (calendar-extract-month date))
 875          (year (calendar-extract-year date))
 876          (day (calendar-extract-day date))
 877          (d1 (calendar-absolute-from-gregorian date))
 878          (d2 (+ (* 7 n) d1))
 879          (holidays (if cal-tex-holidays
 880                        (holiday-in-range d1 d2)))
 881          (diary-list (if cal-tex-diary
 882                          (cal-tex-list-diary-entries d1 d2)))
 883          s)
 884     (cal-tex-preamble "11pt")
 885     (cal-tex-weekly-paper)
 886     (cal-tex-b-document)
 887     (cal-tex-cmd "\\pagestyle" "empty")
 888     (dotimes (i n)
 889       (cal-tex-vspace "-1.5in")
 890       (cal-tex-b-center)
 891       (cal-tex-Huge-bf
 892        (let ((d (calendar-iso-from-absolute
 893                  (calendar-absolute-from-gregorian date))))
 894          (format "Week %d of %d"
 895                  (calendar-extract-month d)
 896                  (calendar-extract-year d))))
 897       (cal-tex-nl ".5cm")
 898       (cal-tex-e-center)
 899       (cal-tex-b-parbox "l" "\\textwidth")
 900       (dotimes (_j 7)
 901         (cal-tex-b-parbox "t" "\\textwidth")
 902         (cal-tex-b-parbox "t" "\\textwidth")
 903         (cal-tex-rule "0pt" "\\textwidth" ".2mm")
 904         (cal-tex-nl)
 905         (cal-tex-b-parbox "t" "\\textwidth")
 906         (cal-tex-large-bf (cal-tex-LaTeXify-string (calendar-day-name date)))
 907         (insert ", ")
 908         (cal-tex-large-bf (cal-tex-month-name month))
 909         (insert " ")
 910         (cal-tex-large-bf (number-to-string day))
 911         (unless (string-equal "" (setq s (cal-tex-latexify-list
 912                                           holidays date "; ")))
 913           (insert ": ")
 914           (cal-tex-large-bf s))
 915         (cal-tex-hfill)
 916         (insert " " (eval cal-tex-daily-string))
 917         (cal-tex-e-parbox)
 918         (cal-tex-nl)
 919         (cal-tex-noindent)
 920         (cal-tex-b-parbox "t" "\\textwidth")
 921         (unless (string-equal "" (setq s (cal-tex-latexify-list
 922                                           diary-list date)))
 923           (insert "\\vbox to 0pt{")
 924           (cal-tex-large-bf s)
 925           (insert "}"))
 926         (cal-tex-e-parbox)
 927         (cal-tex-nl)
 928         (setq date (cal-tex-incr-date date)
 929               month (calendar-extract-month date)
 930               day (calendar-extract-day date))
 931         (cal-tex-e-parbox)
 932         (cal-tex-e-parbox "2cm")
 933         (cal-tex-nl)
 934         (setq month (calendar-extract-month date)
 935               year (calendar-extract-year date)))
 936       (cal-tex-e-parbox)
 937       (unless (= i (1- n))
 938         (run-hooks 'cal-tex-week-hook)
 939         (cal-tex-newpage)))
 940     (cal-tex-end-document)
 941     (run-hooks 'cal-tex-hook)))
 942
 943 ;; TODO respect cal-tex-daily-start,end?
 944 ;; Using different numbers of hours will probably break some layouts.
 945 (defun cal-tex-week-hours (date holidays height)
 946   "Insert hourly entries for DATE with HOLIDAYS, with line height HEIGHT.
 947 Uses the 24-hour clock if `cal-tex-24' is non-nil.  Note that the hours
 948 shown are hard-coded to 8-12, 13-17."
 949   (let ((month (calendar-extract-month date))
 950         (day (calendar-extract-day date))
 951         (year (calendar-extract-year date))
 952         morning afternoon s)
 953   (cal-tex-comment "begin cal-tex-week-hours")
 954   (cal-tex-cmd  "\\ \\\\[-.2cm]")
 955   (cal-tex-cmd "\\noindent")
 956   (cal-tex-b-parbox "l" "6.8in")
 957   (cal-tex-large-bf (cal-tex-LaTeXify-string (calendar-day-name date)))
 958   (insert ", ")
 959   (cal-tex-large-bf (cal-tex-month-name month))
 960   (insert " ")
 961   (cal-tex-large-bf (number-to-string day))
 962   (unless (string-equal "" (setq s (cal-tex-latexify-list
 963                                     holidays date "; ")))
 964     (insert ": ")
 965     (cal-tex-large-bf s))
 966   (cal-tex-hfill)
 967   (insert " " (eval cal-tex-daily-string))
 968   (cal-tex-e-parbox)
 969   (cal-tex-nl "-.3cm")
 970   (cal-tex-rule "0pt" "6.8in" ".2mm")
 971   (cal-tex-nl "-.1cm")
 972   (dotimes (i 5)
 973     (setq morning (+ i 8)               ; 8-12 incl
 974           afternoon (if cal-tex-24
 975                         (+ i 13)        ; 13-17 incl
 976                       (1+ i)))          ; 1-5 incl
 977     (cal-tex-cmd "\\hourbox" (number-to-string morning))
 978     (cal-tex-arg height)
 979     (cal-tex-hspace ".4cm")
 980     (cal-tex-cmd "\\hourbox" (number-to-string afternoon))
 981     (cal-tex-arg height)
 982     (cal-tex-nl))))
 983
 984 ;; TODO cal-tex-diary support.
 985 ;; TODO respect cal-tex-daily-start,end (see cal-tex-weekly4-box).
 986 ;;;###cal-autoload
 987 (defun cal-tex-cursor-week-monday (&optional n event)
 988   "Make a one page LaTeX calendar for one week, showing hours of the day.
 989 There are two columns; with M-W in the first and T-S in the second.
 990 It shows the hours 8-12am and 1-5pm.
 991 It shows holidays if `cal-tex-holidays' is non-nil.
 992 It does not show diary entries.
 993
 994 The optional prefix argument N specifies a number of weeks (default 1).
 995
 996 By default, the calendar is for the week at point; the optional
 997 argument EVENT specifies a different buffer position."
 998   (interactive (list (prefix-numeric-value current-prefix-arg)
 999                      last-nonmenu-event))
1000   (or n (setq n 1))
1001   (let ((date (calendar-gregorian-from-absolute
1002                (calendar-dayname-on-or-before
1003                 0
1004                 (calendar-absolute-from-gregorian
1005                  (calendar-cursor-to-date t event))))))
1006     (cal-tex-preamble "11pt")
1007     (cal-tex-weekly-paper)
1008     (cal-tex-b-document)
1009     (dotimes (i n)
1010       (cal-tex-vspace "-1cm")
1011       (insert "\\noindent ")
1012       (cal-tex-weekly4-box (cal-tex-incr-date date) nil)
1013       (cal-tex-weekly4-box (cal-tex-incr-date date 4) nil)
1014       (cal-tex-nl ".2cm")
1015       (cal-tex-weekly4-box (cal-tex-incr-date date 2) nil)
1016       (cal-tex-weekly4-box (cal-tex-incr-date date 5) nil)
1017       (cal-tex-nl ".2cm")
1018       (cal-tex-weekly4-box (cal-tex-incr-date date 3) nil)
1019       (cal-tex-weekly4-box (cal-tex-incr-date date 6) t)
1020       (unless (= i (1- n))
1021         (run-hooks 'cal-tex-week-hook)
1022         (setq date (cal-tex-incr-date date 7))
1023         (cal-tex-newpage)))
1024     (cal-tex-end-document)
1025     (run-hooks 'cal-tex-hook)))
1026
1027 ;; TODO respect cal-tex-daily-start,end?
1028 ;; Using different numbers of hours will probably break some layouts.
1029 (defun cal-tex-weekly4-box (date weekend)
1030   "Make one box for DATE, different if WEEKEND.
1031 Uses the 24-hour clock if `cal-tex-24' is non-nil.  Note that the hours
1032 shown are hard-coded to 8-12, 13-17."
1033   (let* ((day (calendar-extract-day date))
1034          (month (calendar-extract-month date))
1035          (year (calendar-extract-year date))
1036          (dayname (cal-tex-LaTeXify-string (calendar-day-name date)))
1037          (date1 (cal-tex-incr-date date))
1038          (day1 (calendar-extract-day date1))
1039          (month1 (calendar-extract-month date1))
1040          (year1 (calendar-extract-year date1))
1041          (dayname1 (cal-tex-LaTeXify-string (calendar-day-name date1))))
1042     (cal-tex-b-framebox "8cm" "l")
1043     (cal-tex-b-parbox "b" "7.5cm")
1044     (insert (format "\\textbf{\\Large %s,} %s/%s/%s\\\\\n"
1045                     dayname month day year))
1046     (cal-tex-rule "0pt" "7.5cm" ".5mm")
1047     (cal-tex-nl)
1048     (unless weekend
1049       (dotimes (i 5)
1050         (insert (format "\\textsf{\\large %d}\\\\\n" (+ i 8))))
1051       (dotimes (i 5)
1052         (insert (format "\\textsf{\\large %d}\\\\\n"
1053                         (if cal-tex-24
1054                             (+ i 13)    ; 13-17 incl
1055                           (1+ i))))))   ; 1-5 incl
1056     (cal-tex-nl ".5cm")
1057     (when weekend
1058       (cal-tex-vspace "1cm")
1059       (insert "\\ \\vfill")
1060       (insert (format "\\textbf{\\Large %s,} %s/%s/%s\\\\\n"
1061                       dayname1 month1 day1 year1))
1062       (cal-tex-rule "0pt" "7.5cm" ".5mm")
1063       (cal-tex-nl "1.5cm")
1064       (cal-tex-vspace "1cm"))
1065      (cal-tex-e-parbox)
1066      (cal-tex-e-framebox)
1067      (cal-tex-hspace "1cm")))
1068
1069 (defun cal-tex-weekly-common (n event &optional filofax)
1070   "Common code for weekly calendars."
1071   (or n (setq n 1))
1072   (let* ((date (calendar-gregorian-from-absolute
1073                 (calendar-dayname-on-or-before
1074                  1
1075                  (calendar-absolute-from-gregorian
1076                   (calendar-cursor-to-date t event)))))
1077          (month (calendar-extract-month date))
1078          (year (calendar-extract-year date))
1079          (day (calendar-extract-day date))
1080          (d1 (calendar-absolute-from-gregorian date))
1081          (d2 (+ (* 7 n) d1))
1082          (holidays (if cal-tex-holidays
1083                        (holiday-in-range d1 d2)))
1084          (diary-list (if cal-tex-diary
1085                          (cal-tex-list-diary-entries d1 d2))))
1086     (if filofax
1087         (progn
1088           (cal-tex-preamble "twoside")
1089           (cal-tex-filofax-paper)
1090           (insert cal-tex-righthead)
1091           (cal-tex-longday "rightday" "1.85in")
1092           (cal-tex-longday "weekend" "0.8in")
1093           (insert cal-tex-lefthead)
1094           (cal-tex-longday "leftday" "1.85in"))
1095       (cal-tex-preamble "twoside,12pt")
1096       (insert "\\textwidth 7in
1097 \\textheight 10.5in
1098 \\oddsidemargin 0in
1099 \\evensidemargin 0in
1100 \\topmargin 0pt
1101 \\headheight -0.875in
1102 \\headsep 0.125in
1103 \\footskip .125in
1104 ")
1105       (insert cal-tex-righthead)
1106       (cal-tex-longday "rightday" "2.75in")
1107       (cal-tex-longday "weekend" "1.8in")
1108       (insert cal-tex-lefthead)
1109       (cal-tex-longday "leftday" "2.75in"))
1110     (cal-tex-b-document)
1111     (cal-tex-cmd "\\pagestyle" "empty")
1112     ;; Let's assume this is something to do with twopage documents.
1113     ;; It has the downside that we start with a blank page.
1114     ;; It doesn't make obvious sense when oddside and evenside margins
1115     ;; are the same (non-filofax), but consider the left and right
1116     ;; versions of various functions as applicable to even and odd pages.
1117     (cal-tex-newpage)
1118     (dotimes (i n)
1119       (insert "\\lefthead")
1120       (cal-tex-arg
1121        (let ((d (cal-tex-incr-date date 2)))
1122          (if (= (calendar-extract-month date)
1123                 (calendar-extract-month d))
1124              (format "%s %s"
1125                      (cal-tex-month-name (calendar-extract-month date))
1126                      (calendar-extract-year date))
1127            (if (= (calendar-extract-year date)
1128                   (calendar-extract-year d))
1129                (format "%s---%s %s"
1130                        (cal-tex-month-name (calendar-extract-month date))
1131                        (cal-tex-month-name (calendar-extract-month d))
1132                        (calendar-extract-year date))
1133              (format "%s %s---%s %s"
1134                      (cal-tex-month-name (calendar-extract-month date))
1135                      (calendar-extract-year date)
1136                      (cal-tex-month-name (calendar-extract-month d))
1137                      (calendar-extract-year d))))))
1138       (insert "%\n")
1139       (dotimes (_jdummy 3)
1140         (insert "\\leftday")
1141         (cal-tex-arg (cal-tex-LaTeXify-string (calendar-day-name date)))
1142         (cal-tex-arg (number-to-string (calendar-extract-day date)))
1143         (cal-tex-arg (cal-tex-latexify-list diary-list date))
1144         (cal-tex-arg (cal-tex-latexify-list holidays date))
1145         (cal-tex-arg (eval cal-tex-daily-string))
1146         (insert "%\n")
1147         (setq date (cal-tex-incr-date date)))
1148       (insert "\\noindent\\rule{\\textwidth}{0.3pt}\\\\%\n")
1149       (unless filofax
1150         (cal-tex-nl)
1151         (insert (cal-tex-mini-calendar
1152                  (calendar-extract-month (cal-tex-previous-month date))
1153                  (calendar-extract-year (cal-tex-previous-month date))
1154                  "lastmonth" "1.1in" "1in"))
1155         (insert (cal-tex-mini-calendar
1156                  (calendar-extract-month date)
1157                  (calendar-extract-year date)
1158                  "thismonth" "1.1in" "1in"))
1159         (insert (cal-tex-mini-calendar
1160                  (calendar-extract-month (cal-tex-next-month date))
1161                  (calendar-extract-year (cal-tex-next-month date))
1162                  "nextmonth" "1.1in" "1in"))
1163         (insert "\\hbox to \\textwidth{")
1164         (cal-tex-hfill)
1165         (insert "\\lastmonth")
1166         (cal-tex-hfill)
1167         (insert "\\thismonth")
1168         (cal-tex-hfill)
1169         (insert "\\nextmonth")
1170         (cal-tex-hfill)
1171         (insert "}"))
1172       (cal-tex-newpage)
1173       (insert "\\righthead")
1174       (cal-tex-arg
1175        (let ((d (cal-tex-incr-date date 3)))
1176          (if (= (calendar-extract-month date)
1177                 (calendar-extract-month d))
1178              (format "%s %s"
1179                      (cal-tex-month-name (calendar-extract-month date))
1180                      (calendar-extract-year date))
1181            (if (= (calendar-extract-year date)
1182                   (calendar-extract-year d))
1183                (format "%s---%s %s"
1184                        (cal-tex-month-name (calendar-extract-month date))
1185                        (cal-tex-month-name (calendar-extract-month d))
1186                        (calendar-extract-year date))
1187              (format "%s %s---%s %s"
1188                      (cal-tex-month-name (calendar-extract-month date))
1189                      (calendar-extract-year date)
1190                      (cal-tex-month-name (calendar-extract-month d))
1191                      (calendar-extract-year d))))))
1192       (insert "%\n")
1193       (dotimes (_jdummy 2)
1194         (insert "\\rightday")
1195         (cal-tex-arg (cal-tex-LaTeXify-string (calendar-day-name date)))
1196         (cal-tex-arg (number-to-string (calendar-extract-day date)))
1197         (cal-tex-arg (cal-tex-latexify-list diary-list date))
1198         (cal-tex-arg (cal-tex-latexify-list holidays date))
1199         (cal-tex-arg (eval cal-tex-daily-string))
1200         (insert "%\n")
1201         (setq date (cal-tex-incr-date date)))
1202       (dotimes (_jdummy 2)
1203         (insert "\\weekend")
1204         (cal-tex-arg (cal-tex-LaTeXify-string (calendar-day-name date)))
1205         (cal-tex-arg (number-to-string (calendar-extract-day date)))
1206         (cal-tex-arg (cal-tex-latexify-list diary-list date))
1207         (cal-tex-arg (cal-tex-latexify-list holidays date))
1208         (cal-tex-arg (eval cal-tex-daily-string))
1209         (insert "%\n")
1210         (setq date (cal-tex-incr-date date)))
1211       (unless (= i (1- n))
1212         (run-hooks 'cal-tex-week-hook)
1213         (cal-tex-newpage)))
1214     (cal-tex-end-document)
1215     (run-hooks 'cal-tex-hook)))
1216
1217 ;;;###cal-autoload
1218 (defun cal-tex-cursor-week2-summary (&optional n event)
1219   "Make a two page LaTeX calendar for one week, with optional diary entries.
1220 It does not show hours of the day.
1221 It shows holidays if `cal-tex-holidays' is non-nil.
1222 It shows diary entries if `cal-tex-diary' is non-nil.
1223
1224 The optional prefix argument N specifies a number of weeks (default 1).
1225
1226 By default, the calendar is for the week at point; the optional
1227 argument EVENT specifies a different buffer position."
1228   (interactive (list (prefix-numeric-value current-prefix-arg)
1229                      last-nonmenu-event))
1230   (cal-tex-weekly-common n event))
1231
1232 ;;;###cal-autoload
1233 (defun cal-tex-cursor-filofax-2week (&optional n event)
1234   "Two-weeks-at-a-glance Filofax style calendar for week cursor is in.
1235 Optional prefix argument N specifies number of weeks (default 1).
1236 The calendar shows holiday and diary entries if
1237 `cal-tex-holidays' and `cal-tex-diary', respectively, are non-nil.
1238 Optional EVENT indicates a buffer position to use instead of point."
1239   (interactive (list (prefix-numeric-value current-prefix-arg)
1240                      last-nonmenu-event))
1241   (or n (setq n 1))
1242   (let* ((date (calendar-gregorian-from-absolute
1243                 (calendar-dayname-on-or-before
1244                  calendar-week-start-day
1245                  (calendar-absolute-from-gregorian
1246                   (calendar-cursor-to-date t event)))))
1247          (month (calendar-extract-month date))
1248          (year (calendar-extract-year date))
1249          (day (calendar-extract-day date))
1250          (d1 (calendar-absolute-from-gregorian date))
1251          (d2 (+ (* 7 n) d1))
1252          (holidays (if cal-tex-holidays
1253                        (holiday-in-range d1 d2)))
1254          (diary-list (if cal-tex-diary
1255                          (cal-tex-list-diary-entries d1 d2))))
1256     (cal-tex-preamble "twoside")
1257     (cal-tex-filofax-paper)
1258     (insert cal-tex-righthead)
1259     (cal-tex-longday "rightday" "0.7in")
1260     (insert cal-tex-lefthead)
1261     (cal-tex-longday "leftday" "0.7in")
1262     (cal-tex-b-document)
1263     (cal-tex-cmd "\\pagestyle" "empty")
1264     (dotimes (i n)
1265       (if (zerop (mod i 2))
1266           (insert "\\righthead")
1267         (insert "\\lefthead"))
1268       (cal-tex-arg
1269        (let ((d (cal-tex-incr-date date 6)))
1270          (if (= (calendar-extract-month date)
1271                 (calendar-extract-month d))
1272              (format "%s %s"
1273                      (cal-tex-month-name (calendar-extract-month date))
1274                      (calendar-extract-year date))
1275            (if (= (calendar-extract-year date)
1276                   (calendar-extract-year d))
1277                (format "%s---%s %s"
1278                        (cal-tex-month-name (calendar-extract-month date))
1279                        (cal-tex-month-name (calendar-extract-month d))
1280                        (calendar-extract-year date))
1281               (format "%s %s---%s %s"
1282                       (cal-tex-month-name (calendar-extract-month date))
1283                       (calendar-extract-year date)
1284                       (cal-tex-month-name (calendar-extract-month d))
1285                       (calendar-extract-year d))))))
1286       (insert "%\n")
1287       (dotimes (_jdummy 7)
1288         (if (zerop (mod i 2))
1289             (insert "\\rightday")
1290           (insert "\\leftday"))
1291         (cal-tex-arg (cal-tex-LaTeXify-string (calendar-day-name date)))
1292         (cal-tex-arg (number-to-string (calendar-extract-day date)))
1293         (cal-tex-arg (cal-tex-latexify-list diary-list date))
1294         (cal-tex-arg (cal-tex-latexify-list holidays date))
1295         (cal-tex-arg (eval cal-tex-daily-string))
1296         (insert "%\n")
1297         (setq date (cal-tex-incr-date date)))
1298       (unless (= i (1- n))
1299         (run-hooks 'cal-tex-week-hook)
1300         (cal-tex-newpage)))
1301     (cal-tex-end-document)
1302     (run-hooks 'cal-tex-hook)))
1303
1304 ;;;###cal-autoload
1305 (defun cal-tex-cursor-filofax-week (&optional n event)
1306   "One-week-at-a-glance Filofax style calendar for week indicated by cursor.
1307 Optional prefix argument N specifies number of weeks (default 1),
1308 starting on Mondays.  The calendar shows holiday and diary entries
1309 if `cal-tex-holidays' and `cal-tex-diary', respectively, are non-nil.
1310 Optional EVENT indicates a buffer position to use instead of point."
1311   (interactive (list (prefix-numeric-value current-prefix-arg)
1312                      last-nonmenu-event))
1313    (cal-tex-weekly-common n event t))
1314
1315 ;;;###cal-autoload
1316 (defun cal-tex-cursor-filofax-daily (&optional n event)
1317   "Day-per-page Filofax style calendar for week indicated by cursor.
1318 Optional prefix argument N specifies number of weeks (default 1),
1319 starting on Mondays.  The calendar shows holiday and diary
1320 entries if `cal-tex-holidays' and `cal-tex-diary', respectively,
1321 are non-nil.  Pages are ruled if `cal-tex-rules' is non-nil.
1322 Optional EVENT indicates a buffer position to use instead of point."
1323   (interactive (list (prefix-numeric-value current-prefix-arg)
1324                      last-nonmenu-event))
1325   (or n (setq n 1))
1326   (let* ((date (calendar-gregorian-from-absolute
1327                 (calendar-dayname-on-or-before
1328                  1
1329                  (calendar-absolute-from-gregorian
1330                   (calendar-cursor-to-date t event)))))
1331          (month (calendar-extract-month date))
1332          (year (calendar-extract-year date))
1333          (day (calendar-extract-day date))
1334          (d1 (calendar-absolute-from-gregorian date))
1335          (d2 (+ (* 7 n) d1))
1336          (holidays (if cal-tex-holidays
1337                        (holiday-in-range d1 d2)))
1338          (diary-list (if cal-tex-diary
1339                          (cal-tex-list-diary-entries d1 d2))))
1340     (cal-tex-preamble "twoside")
1341     (cal-tex-filofax-paper)
1342     (insert cal-tex-righthead)
1343     (cal-tex-shortday "rightday")
1344     (cal-tex-shortday "weekend")
1345     (insert cal-tex-lefthead)
1346     (cal-tex-shortday "leftday")
1347     (insert "\\newbox\\LineBox
1348 \\setbox\\LineBox=\\hbox to\\textwidth{%
1349 \\vrule height.2in width0pt\\leaders\\hrule\\hfill}
1350 \\def\\linesfill{\\par\\leaders\\copy\\LineBox\\vfill}
1351 ")
1352     (cal-tex-b-document)
1353     (cal-tex-cmd "\\pagestyle" "empty")
1354     (dotimes (i n)
1355       (dotimes (j 4)
1356         (let ((even (zerop (% j 2))))
1357           (insert (if even
1358                       "\\righthead"
1359                     "\\lefthead"))
1360           (cal-tex-arg (calendar-date-string date))
1361           (insert "%\n")
1362           (insert (if even
1363                       "\\rightday"
1364                     "\\leftday")))
1365         (cal-tex-arg (cal-tex-latexify-list diary-list date))
1366         (cal-tex-arg (cal-tex-latexify-list holidays date "\\\\" t))
1367         (cal-tex-arg (eval cal-tex-daily-string))
1368         (insert "%\n")
1369         (if cal-tex-rules
1370             (insert "\\linesfill\n")
1371           (insert "\\vfill\\noindent\\rule{\\textwidth}{0.3pt}\\\\%\n"))
1372         (cal-tex-newpage)
1373         (setq date (cal-tex-incr-date date)))
1374       (insert "%\n")
1375       (dotimes (_jdummy 2)
1376         (insert "\\lefthead")
1377         (cal-tex-arg (calendar-date-string date))
1378         (insert "\\weekend")
1379         (cal-tex-arg (cal-tex-latexify-list diary-list date))
1380         (cal-tex-arg (cal-tex-latexify-list holidays date "\\\\" t))
1381         (cal-tex-arg (eval cal-tex-daily-string))
1382         (insert "%\n")
1383         (if cal-tex-rules
1384             (insert "\\linesfill\n")
1385           (insert "\\vfill"))
1386         (setq date (cal-tex-incr-date date)))
1387       (or cal-tex-rules
1388           (insert "\\noindent\\rule{\\textwidth}{0.3pt}\\\\%\n"))
1389       (unless (= i (1- n))
1390         (run-hooks 'cal-tex-week-hook)
1391         (cal-tex-newpage)))
1392     (cal-tex-end-document)
1393     (run-hooks 'cal-tex-hook)))
1394
1395
1396 ;;;
1397 ;;;  Daily calendars
1398 ;;;
1399
1400 ;;;###cal-autoload
1401 (defun cal-tex-cursor-day (&optional n event)
1402   "Make a buffer with LaTeX commands for the day cursor is on.
1403 Optional prefix argument N specifies number of days.  The calendar shows
1404 the hours between `cal-tex-daily-start' and `cal-tex-daily-end', using
1405 the 24-hour clock if `cal-tex-24' is non-nil.  Optional EVENT indicates
1406 a buffer position to use instead of point."
1407   (interactive (list (prefix-numeric-value current-prefix-arg)
1408                      last-nonmenu-event))
1409   (or n (setq n 1))
1410   (let ((date (calendar-absolute-from-gregorian
1411                (calendar-cursor-to-date t event))))
1412     (cal-tex-preamble "12pt")
1413     (cal-tex-weekly-paper 'nomargins)
1414     (cal-tex-b-document)
1415     (cal-tex-cmd "\\pagestyle" "empty")
1416     (dotimes (i n)
1417       (cal-tex-vspace "-1.7in")
1418       (cal-tex-daily-page (calendar-gregorian-from-absolute date))
1419       (setq date (1+ date))
1420       (unless (= i (1- n))
1421         (cal-tex-newpage)
1422         (run-hooks 'cal-tex-daily-hook)))
1423     (cal-tex-end-document)
1424     (run-hooks 'cal-tex-hook)))
1425
1426 (defun cal-tex-daily-page (date)
1427   "Make a calendar page for Gregorian DATE on 8.5 by 11 paper.
1428 Uses the 24-hour clock if `cal-tex-24' is non-nil.  Produces
1429 hourly sections for the period specified by `cal-tex-daily-start'
1430 and `cal-tex-daily-end'."
1431   (let ((month-name (cal-tex-month-name (calendar-extract-month date)))
1432         (i (1- cal-tex-daily-start))
1433         hour)
1434     (cal-tex-banner "cal-tex-daily-page")
1435     (cal-tex-b-makebox "4cm" "l")
1436     (cal-tex-b-parbox "b" "3.8cm")
1437     (cal-tex-rule "0mm" "0mm" "2cm")
1438     (cal-tex-Huge (number-to-string (calendar-extract-day date)))
1439     (cal-tex-nl ".5cm")
1440     (cal-tex-bf month-name )
1441     (cal-tex-e-parbox)
1442     (cal-tex-hspace "1cm")
1443     (cal-tex-scriptsize (eval cal-tex-daily-string))
1444     (cal-tex-hspace "3.5cm")
1445     (cal-tex-e-makebox)
1446     (cal-tex-hfill)
1447     (cal-tex-b-makebox "4cm" "r")
1448     (cal-tex-bf (cal-tex-LaTeXify-string (calendar-day-name date)))
1449     (cal-tex-e-makebox)
1450     (cal-tex-nl)
1451     (cal-tex-hspace ".4cm")
1452     (cal-tex-rule "0mm" "16.1cm" "1mm")
1453     (cal-tex-nl ".1cm")
1454     (while (<= (setq i (1+ i)) cal-tex-daily-end)
1455       (cal-tex-cmd "\\noindent")
1456       (setq hour (if cal-tex-24
1457                      i
1458                    (mod i 12)))
1459       (if (zerop hour) (setq hour 12))
1460       (cal-tex-b-makebox "1cm" "c")
1461       (cal-tex-arg (number-to-string hour))
1462       (cal-tex-e-makebox)
1463       (cal-tex-rule "0mm" "15.5cm" ".2mm")
1464       (cal-tex-nl ".2cm")
1465       (cal-tex-b-makebox "1cm" "c")
1466       (cal-tex-arg "$\\diamond$" )
1467       (cal-tex-e-makebox)
1468       (cal-tex-rule "0mm" "15.5cm" ".2mm")
1469       (cal-tex-nl ".2cm"))
1470     (cal-tex-hfill)
1471     (insert (cal-tex-mini-calendar
1472              (calendar-extract-month (cal-tex-previous-month date))
1473              (calendar-extract-year (cal-tex-previous-month date))
1474              "lastmonth" "1.1in" "1in"))
1475     (insert (cal-tex-mini-calendar
1476              (calendar-extract-month date)
1477              (calendar-extract-year date)
1478              "thismonth" "1.1in" "1in"))
1479     (insert (cal-tex-mini-calendar
1480              (calendar-extract-month (cal-tex-next-month date))
1481              (calendar-extract-year (cal-tex-next-month date))
1482              "nextmonth" "1.1in" "1in"))
1483     (insert "\\hbox to \\textwidth{")
1484     (cal-tex-hfill)
1485     (insert "\\lastmonth")
1486     (cal-tex-hfill)
1487     (insert "\\thismonth")
1488     (cal-tex-hfill)
1489     (insert "\\nextmonth")
1490     (cal-tex-hfill)
1491     (insert "}")
1492     (cal-tex-banner "end of cal-tex-daily-page")))
1493
1494 ;;;
1495 ;;;  Mini calendars
1496 ;;;
1497
1498 (defun cal-tex-mini-calendar (month year name width height &optional ptsize colsep)
1499   "Produce mini-calendar for MONTH, YEAR in macro NAME with WIDTH and HEIGHT.
1500 Optional string PTSIZE gives the point size (default \"scriptsize\").
1501 Optional string COLSEP gives the column separation (default \"1mm\")."
1502   (or colsep (setq colsep "1mm"))
1503   (or ptsize (setq ptsize "scriptsize"))
1504   (let ((blank-days                     ; at start of month
1505          (mod
1506           (- (calendar-day-of-week (list month 1 year))
1507              calendar-week-start-day)
1508           7))
1509         (last( calendar-last-day-of-month month year))
1510         (str (concat "\\def\\" name "{\\hbox to" width "{%\n"
1511                      "\\vbox to" height "{%\n"
1512                      "\\vfil  \\hbox to" width "{%\n"
1513                      "\\hfil\\" ptsize
1514                      "\\begin{tabular}"
1515                      "{@{\\hspace{0mm}}r@{\\hspace{" colsep
1516                      "}}r@{\\hspace{" colsep "}}r@{\\hspace{" colsep
1517                      "}}r@{\\hspace{" colsep "}}r@{\\hspace{" colsep
1518                      "}}r@{\\hspace{" colsep "}}r@{\\hspace{0mm}}}%\n"
1519                      "\\multicolumn{7}{c}{"
1520                      (cal-tex-month-name month)
1521                      " "
1522                      (number-to-string year)
1523                      "}\\\\[1mm]\n")))
1524     (dotimes (i 7)
1525       (setq str
1526             (concat str
1527                     (cal-tex-LaTeXify-string
1528                      (substring (aref calendar-day-name-array
1529                                       (mod (+ calendar-week-start-day i) 7))
1530
1531                                 0 2))
1532                     (if (= i 6)
1533                         "\\\\[0.7mm]\n"
1534                       " & "))))
1535     (dotimes (_idummy blank-days)
1536       (setq str (concat str " & ")))
1537     (dotimes (i last)
1538       (setq str (concat str (number-to-string (1+ i)))
1539             str (concat str (if (zerop (mod (+ i 1 blank-days) 7))
1540                                 (if (= i (1- last))
1541                                     ""
1542                                   "\\\\[0.5mm]\n")
1543                               " & "))))
1544     (setq str (concat str "\n\\end{tabular}\\hfil}\\vfil}}}%\n"))
1545     str))
1546
1547 ;;;
1548 ;;;  Various calendar functions
1549 ;;;
1550
1551 (defun cal-tex-incr-date (date &optional n)
1552   "The date of the day following DATE.
1553 If optional N is given, the date of N days after DATE."
1554   (calendar-gregorian-from-absolute
1555    (+ (or n 1) (calendar-absolute-from-gregorian date))))
1556
1557 (defun cal-tex-latexify-list (date-list date &optional separator final-separator)
1558   "Return string with concatenated, LaTeX-ified entries in DATE-LIST for DATE.
1559 Use double backslash as a separator unless optional SEPARATOR is given.
1560 If resulting string is not empty, put separator at end if optional
1561 FINAL-SEPARATOR is non-nil."
1562   (or separator (setq separator "\\\\"))
1563   (let (result)
1564     (setq result
1565           (mapconcat (lambda (x) (cal-tex-LaTeXify-string x))
1566                      (dolist (d date-list (reverse result))
1567                        (and (car d)
1568                             (calendar-date-equal date (car d))
1569                             (setq result (cons (cadr d) result))))
1570                      separator))
1571     (if (and final-separator
1572              (not (string-equal result "")))
1573         (concat result separator)
1574       result)))
1575
1576 (defun cal-tex-previous-month (date)
1577   "Return the date of the first day in the month previous to DATE."
1578   (let ((month (calendar-extract-month date))
1579         (year (calendar-extract-year date)))
1580     (calendar-increment-month month year -1)
1581     (list month 1 year)))
1582
1583 (defun cal-tex-next-month (date)
1584   "Return the date of the first day in the month following DATE."
1585   (let ((month (calendar-extract-month date))
1586         (year (calendar-extract-year date)))
1587     (calendar-increment-month month year 1)
1588     (list month 1 year)))
1589
1590 ;;;
1591 ;;;  LaTeX Code
1592 ;;;
1593
1594 (defun cal-tex-end-document ()
1595   "Finish the LaTeX document.
1596 Insert the trailer to LaTeX document, pop to LaTeX buffer, add
1597 informative header, and run HOOK."
1598   (cal-tex-e-document)
1599   (or (and cal-tex-preamble-extra
1600            (string-match "inputenc" cal-tex-preamble-extra))
1601       (when (re-search-backward "[^[:ascii:]]" nil 'move)
1602         (goto-char (point-min))
1603         (when (search-forward "documentclass" nil t)
1604           (forward-line 1)
1605           ;; Eg for some Bahai holidays.
1606           ;; FIXME latin1 might not always be right.
1607           (insert "\\usepackage[latin1]{inputenc}\n"))))
1608   (latex-mode)
1609   (pop-to-buffer (current-buffer))
1610   (goto-char (point-min))
1611   ;; FIXME auctex equivalents?
1612   (cal-tex-comment
1613    (format "\tThis buffer was produced by cal-tex.el.
1614 \tTo print a calendar, type
1615 \t\tM-x tex-buffer RET
1616 \t\tM-x tex-print  RET")))
1617
1618 (defun cal-tex-insert-preamble (weeks landscape size &optional append)
1619   "Initialize the output LaTeX calendar buffer, `cal-tex-buffer'.
1620 Select the output buffer, and insert the preamble for a calendar
1621 of WEEKS weeks.  Insert code for landscape mode if LANDSCAPE is
1622 non-nil.  Use point-size SIZE.  Optional argument APPEND, if
1623 non-nil, means add to end of buffer without erasing current contents."
1624   (let ((width "18cm")
1625         (height "24cm"))
1626     (when landscape
1627       (setq width "24cm"
1628             height "18cm"))
1629     (unless append
1630       (cal-tex-preamble size)
1631       (if (not landscape)
1632           (progn
1633             (cal-tex-cmd "\\oddsidemargin -1.75cm")
1634             (cal-tex-cmd "\\def\\holidaymult" ".06"))
1635         (cal-tex-cmd "\\special" "landscape")
1636         (cal-tex-cmd "\\textwidth 9.5in")
1637         (cal-tex-cmd "\\textheight 7in")
1638         (cal-tex-comment)
1639         (cal-tex-cmd "\\def\\holidaymult" ".08"))
1640       (cal-tex-cmd cal-tex-caldate)
1641       (cal-tex-cmd cal-tex-myday)
1642       (cal-tex-b-document)
1643       (cal-tex-cmd "\\pagestyle" "empty"))
1644     (cal-tex-cmd "\\setlength{\\cellwidth}" width)
1645     (insert (format "\\setlength{\\cellwidth}{%f\\cellwidth}\n"
1646                     (/ 1.1 (length cal-tex-which-days))))
1647     (cal-tex-cmd "\\setlength{\\cellheight}" height)
1648     (insert (format "\\setlength{\\cellheight}{%f\\cellheight}\n"
1649                     (/ 1.0 weeks)))
1650     (cal-tex-cmd "\\ \\par")
1651     (cal-tex-vspace "-3cm")))
1652
1653 (defconst cal-tex-LaTeX-subst-list
1654   '(("\"". "``")
1655     ("\"". "''")        ; quote changes meaning when list is reversed
1656     ;; Don't think this is necessary, and in any case, does not work:
1657     ;; "LaTeX Error: \verb illegal in command argument".
1658 ;;;    ("@" . "\\verb|@|")
1659     ("&" . "\\&")
1660     ("%" . "\\%")
1661     ("$" . "\\$")
1662     ("#" . "\\#")
1663     ("_" . "\\_")
1664     ("{" . "\\{")
1665     ("}" . "\\}")
1666     ("<" . "$<$")
1667     (">" . "$>$")
1668     ("\n" . "\\ \\\\")) ; \\ needed for e.g \begin{center}\n AA\end{center}
1669   "Alist of symbols and their LaTeX replacements.")
1670
1671 (defun cal-tex-LaTeXify-string (string)
1672   "Protect special characters in STRING from LaTeX."
1673   (if (not string)
1674       ""
1675     (let ((head "")
1676           (tail string)
1677           (list cal-tex-LaTeX-subst-list)
1678           ch pair)
1679       (while (not (string-equal tail ""))
1680         (setq ch (substring-no-properties tail 0 1)
1681               pair (assoc ch list))
1682         (if (and pair (string-equal ch "\""))
1683             (setq list (reverse list))) ; quote changes meaning each time
1684         (setq tail (substring-no-properties tail 1)
1685               head (concat head (if pair (cdr pair) ch))))
1686       head)))
1687
1688 (defun cal-tex-month-name (month)
1689   "The name of MONTH, LaTeX-ified."
1690   (cal-tex-LaTeXify-string (calendar-month-name month)))
1691
1692 (defun cal-tex-hfill ()
1693   "Insert hfill."
1694   (insert "\\hfill"))
1695
1696 (defun cal-tex-newpage ()
1697   "Insert newpage."
1698   (insert "\\newpage%\n"))
1699
1700 (defun cal-tex-noindent ()
1701   "Insert noindent."
1702   (insert "\\noindent"))
1703
1704 (defun cal-tex-vspace (space)
1705   "Insert vspace command to move SPACE vertically."
1706   (cal-tex-cmd "\\vspace*" space))
1707
1708 (defun cal-tex-hspace (space)
1709   "Insert hspace command to move SPACE horizontally."
1710   (cal-tex-cmd "\\hspace*" space))
1711
1712 (defun cal-tex-comment (&optional comment)
1713   "Insert `% ', followed by optional string COMMENT, followed by newline.
1714 COMMENT may contain newlines, which are prefixed by `% ' in the output."
1715   (insert (format "%% %s\n"
1716                   (if comment
1717                       (replace-regexp-in-string "\n" "\n% " comment)
1718                     ""))))
1719
1720 (defun cal-tex-banner (comment)
1721   "Insert string COMMENT, separated by blank lines."
1722   (cal-tex-comment (format "\n\n\n\t\t\t%s\n" comment)))
1723
1724 (defun cal-tex-nl (&optional skip comment)
1725   "End a line with \\.  If SKIP, then add that much spacing.
1726 Add trailing COMMENT if present."
1727   (insert (format "\\\\%s"
1728                   (if skip
1729                       (format "[%s]" skip)
1730                     "")))
1731   (cal-tex-comment comment))
1732
1733 (defun cal-tex-arg (&optional text)
1734   "Insert a brace {} pair containing the optional string TEXT."
1735   (insert (format "{%s}" (or text ""))))
1736
1737 (defun cal-tex-cmd (cmd &optional arg)
1738   "Insert LaTeX CMD, with optional argument ARG, and end with %."
1739   (insert cmd)
1740   (cal-tex-arg arg)
1741   (cal-tex-comment))
1742
1743 ;;;
1744 ;;;   Environments
1745 ;;;
1746
1747 (defun cal-tex-b-document ()
1748   "Insert beginning of document."
1749   (cal-tex-cmd "\\begin" "document"))
1750
1751 (defun cal-tex-e-document ()
1752   "Insert end of document."
1753   (cal-tex-cmd "\\end" "document"))
1754
1755 (defun cal-tex-b-center ()
1756   "Insert beginning of centered block."
1757   (cal-tex-cmd "\\begin" "center"))
1758
1759 (defun cal-tex-e-center ()
1760   "Insert end of centered block."
1761   (cal-tex-comment)
1762   (cal-tex-cmd "\\end" "center"))
1763
1764
1765 ;;;
1766 ;;;  Boxes
1767 ;;;
1768
1769
1770 (defun cal-tex-b-parbox (position width)
1771   "Insert parbox with parameters POSITION and WIDTH."
1772   (insert "\\parbox[" position "]{" width "}{")
1773   (cal-tex-comment))
1774
1775 (defun cal-tex-e-parbox (&optional height)
1776   "Insert end of parbox.  Optionally, force it to be a given HEIGHT."
1777   (cal-tex-comment)
1778   (if height
1779       (cal-tex-rule "0mm" "0mm" height))
1780   (insert "}")
1781   (cal-tex-comment "end parbox"))
1782
1783 (defun cal-tex-b-framebox (width position)
1784   "Insert framebox with parameters WIDTH and POSITION (clr)."
1785   (insert "\\framebox[" width "][" position "]{" )
1786   (cal-tex-comment))
1787
1788 (defun cal-tex-e-framebox ()
1789   "Insert end of framebox."
1790   (cal-tex-comment)
1791   (insert "}")
1792   (cal-tex-comment "end framebox"))
1793
1794
1795 (defun cal-tex-b-makebox (width position)
1796   "Insert makebox with parameters WIDTH and POSITION (clr)."
1797   (insert "\\makebox[" width "][" position "]{" )
1798   (cal-tex-comment))
1799
1800 (defun cal-tex-e-makebox ()
1801   "Insert end of makebox."
1802   (cal-tex-comment)
1803   (insert "}")
1804   (cal-tex-comment "end makebox"))
1805
1806
1807 (defun cal-tex-rule (lower width height)
1808   "Insert a rule with parameters LOWER WIDTH HEIGHT."
1809   (insert "\\rule[" lower "]{" width "}{" height "}"))
1810
1811 ;;;
1812 ;;;     Fonts
1813 ;;;
1814
1815 (defun cal-tex-em (string)
1816   "Insert STRING in italic font."
1817   (cal-tex-cmd "\\textit" string))
1818
1819 (defun cal-tex-bf (string)
1820   "Insert STRING in bf font."
1821   (cal-tex-cmd "\\textbf" string))
1822
1823 (defun cal-tex-scriptsize (string)
1824   "Insert STRING in scriptsize font."
1825   (cal-tex-arg (concat "\\scriptsize " string)))
1826
1827 (defun cal-tex-huge (string)
1828   "Insert STRING in huge font."
1829   (cal-tex-arg (concat "\\huge " string)))
1830
1831 (defun cal-tex-Huge (string)
1832   "Insert STRING in Huge font."
1833   (cal-tex-arg (concat "\\Huge " string)))
1834
1835 (defun cal-tex-Huge-bf (string)
1836   "Insert STRING in Huge bf font."
1837   (cal-tex-cmd "\\textbf" (concat "\\Huge " string)))
1838
1839 (defun cal-tex-large (string)
1840   "Insert STRING in large font."
1841   (cal-tex-arg (concat "\\large " string)))
1842
1843 (defun cal-tex-large-bf (string)
1844   "Insert STRING in large bf font."
1845   (cal-tex-cmd "\\textbf" (concat "\\large " string)))
1846
1847
1848 (provide 'cal-tex)
1849
1850 ;;; cal-tex.el ends here