code.delx.au - gnu-emacs/blob - lisp/calendar/cal-tex.el

   1 ;;; cal-tex.el --- calendar functions for printing calendars with LaTeX.
   2
   3 ;; Copyright (C) 1995 Free Software Foundation, Inc.
   4
   5 ;; Author: Steve Fisk <fisk@bowdoin.edu>
   6 ;;      Edward M. Reingold <reingold@cs.uiuc.edu>
   7 ;; Keywords: calendar
   8 ;; Human-Keywords: Calendar, LaTeX
   9
  10 ;; This file is part of GNU Emacs.
  11
  12 ;; GNU Emacs is free software; you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation; either version 2, or (at your option)
  15 ;; any later version.
  16
  17 ;; GNU Emacs is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  25 ;; Boston, MA 02111-1307, USA.
  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 ;; TO DO
  33 ;;
  34 ;;     (*)  Add holidays and diary entries to daily calendar.
  35 ;;
  36 ;;     (*)  Add diary entries to weekly calendar functions.
  37 ;;
  38 ;;     (*)  Make calendar styles for A4 paper.
  39 ;;
  40 ;;     (*)  Make monthly styles Filofax paper.
  41
  42 ;;; Code:
  43
  44 (require 'calendar)
  45
  46 (autoload 'list-diary-entries "diary-lib" nil t)
  47 (autoload 'calendar-holiday-list "holidays" nil t)
  48 (autoload 'calendar-iso-from-absolute "cal-iso" nil t)
  49
  50 ;;;
  51 ;;; Customizable variables
  52 ;;;
  53
  54 (defcustom cal-tex-which-days '(0 1 2 3 4 5 6)
  55   "*The days of the week that are displayed on the portrait monthly calendar.
  56 Sunday is 0, Monday is 1, and so on.  The default is to print from Sunday to
  57 Saturday.  For example, use
  58
  59                     (setq cal-tex-which-days '(1 3 5))
  60
  61 to only print Monday, Wednesday, Friday."
  62   :type '(repeat integer)
  63   :group 'calendar-tex)
  64
  65 (defcustom cal-tex-holidays t
  66   "*If t (default), then the holidays are also printed.
  67 If finding the holidays is too slow, set this to nil."
  68   :type 'boolean
  69   :group 'calendar-tex)
  70
  71 (defcustom cal-tex-diary nil
  72   "*If t, the diary entries are printed in the calendar."
  73   :type 'boolean
  74   :group 'calendar-tex)
  75
  76 (defcustom cal-tex-daily-string
  77   '(let* ((year (extract-calendar-year date))
  78           (day  (calendar-day-number date))
  79           (days-remaining (- (calendar-day-number (list 12 31 year)) day)))
  80      (format "%d/%d" day  days-remaining))
  81   "*An expression in the variable `date' whose value is placed on date.
  82 The string resulting from evaluating this expression is placed at the bottom
  83 center of `date' on the monthly calendar, next to the date in the weekly
  84 calendars, and in the top center of daily calendars.
  85
  86 Default is ordinal day number of the year and the number of days remaining.
  87 As an example of what you do, setting this to
  88
  89     '(progn
  90        (require 'cal-hebrew)
  91        (calendar-hebrew-date-string date))
  92
  93 will put the Hebrew date at the bottom of each day."
  94   :type 'sexp
  95   :group 'calendar-tex)
  96
  97 (defcustom cal-tex-buffer "calendar.tex"
  98   "*The name for the tex-ed calendar."
  99   :type 'string
 100   :group 'calendar-tex)
 101
 102 (defcustom cal-tex-24 nil
 103   "*If t, use a 24 hour clock in the daily calendar."
 104   :type 'boolean
 105   :group 'calendar-tex)
 106
 107 (defcustom cal-tex-daily-start 8
 108   "*The first hour of the daily calendar page."
 109   :type 'integer
 110   :group 'calendar-tex)
 111
 112 (defcustom cal-tex-daily-end 20
 113   "*The last hour of the daily calendar page."
 114   :type 'integer
 115   :group 'calendar-tex)
 116
 117 ;;;
 118 ;;; Definitions for LaTeX code
 119 ;;;
 120
 121 (defvar  cal-tex-day-prefix "\\caldate{%s}{%s}"
 122   "The initial LaTeX code for a day.
 123 The holidays, diary entries, bottom string, and the text follow.")
 124
 125 (defvar cal-tex-day-name-format "\\myday{%s}%%"
 126   "The format for LaTeX code for a day name.  The names are taken from
 127 calendar-day-name-array.")
 128
 129 (defvar cal-tex-cal-one-month
 130 "\\def\\calmonth#1#2%
 131 {\\begin{center}%
 132 \\Huge\\bf\\uppercase{#1} #2 \\\\[1cm]%
 133 \\end{center}}%
 134 \\vspace*{-1.5cm}%
 135 %
 136 "
 137   "LaTeX code for the month header")
 138
 139 (defvar cal-tex-cal-multi-month
 140 "\\def\\calmonth#1#2#3#4%
 141 {\\begin{center}%
 142 \\Huge\\bf #1 #2---#3 #4\\\\[1cm]%
 143 \\end{center}}%
 144 \\vspace*{-1.5cm}%
 145 %
 146 "
 147   "LaTeX code for the month header")
 148
 149 (defvar cal-tex-myday
 150 "\\renewcommand{\\myday}[1]%
 151 {\\makebox[\\cellwidth]{\\hfill\\large\\bf#1\\hfill}}
 152 %
 153 "
 154   "LaTeX code for a day heading")
 155
 156 (defvar cal-tex-caldate
 157 "\\fboxsep=0pt
 158 \\long\\def\\caldate#1#2#3#4#5#6{%
 159     \\fbox{\\hbox to\\cellwidth{%
 160      \\vbox to\\cellheight{%
 161        \\hbox to\\cellwidth{%
 162           {\\hspace*{1mm}\\Large \\bf \\strut #2}\\hspace{.05\\cellwidth}%
 163           \\raisebox{\\holidaymult\\cellheight}%
 164                    {\\parbox[t]{.75\\cellwidth}{\\tiny \\raggedright #4}}}
 165        \\hbox to\\cellwidth{%
 166            \\hspace*{1mm}\\parbox{.95\\cellwidth}{\\tiny \\raggedright #3}}
 167        \\hspace*{1mm}%
 168        \\hbox to\\cellwidth{#6}%
 169        \\vfill%
 170        \\hbox to\\cellwidth{\\hfill \\tiny #5 \\hfill}%
 171        \\vskip 1.4pt}%
 172      \\hskip -0.4pt}}}
 173 "
 174   "LaTeX code to insert one box with date info in calendar.
 175 This definition is the heart of the calendar!")
 176
 177 (defun cal-tex-list-holidays (d1 d2)
 178   "Generate a list of all holidays from absolute date D1 to D2."
 179   (let* ((start (calendar-gregorian-from-absolute d1))
 180          (displayed-month (extract-calendar-month start))
 181          (displayed-year (extract-calendar-year start))
 182          (end (calendar-gregorian-from-absolute d2))
 183          (end-month (extract-calendar-month end))
 184          (end-year (extract-calendar-year end))
 185          (number-of-intervals
 186           (1+ (/ (calendar-interval displayed-month displayed-year
 187                                     end-month end-year)
 188                  3)))
 189          (holidays nil)
 190          (in-range))
 191     (increment-calendar-month displayed-month displayed-year 1)
 192     (calendar-for-loop i from 1 to number-of-intervals do
 193       (setq holidays (append holidays (calendar-holiday-list)))
 194       (increment-calendar-month displayed-month displayed-year 3))
 195     (while holidays
 196       (and (car (car holidays))
 197            (let ((a (calendar-absolute-from-gregorian (car (car holidays)))))
 198              (and (<= d1 a) (<= a d2)))
 199            (setq in-range (append (list (car holidays)) in-range)))
 200       (setq holidays (cdr holidays)))
 201     in-range))
 202
 203 (defun cal-tex-list-diary-entries (d1 d2)
 204   "Generate a list of all diary-entries from absolute date D1 to D2."
 205   (let ((diary-list-include-blanks nil)
 206         (diary-display-hook nil))
 207     (list-diary-entries
 208      (calendar-gregorian-from-absolute d1)
 209      (1+ (- d2 d1)))))
 210
 211 (defun cal-tex-preamble (&optional args)
 212   "Insert the LaTeX preamble.
 213 Preamble Includes initial definitions for various LaTeX commands.
 214 Optional ARGS are included."
 215   (set-buffer (get-buffer-create cal-tex-buffer))
 216   (erase-buffer)
 217   (insert "\\documentstyle")
 218   (if args
 219       (insert "[" args "]"))
 220   (insert "{article}\n"
 221           "\\hbadness 20000
 222 \\hfuzz=1000pt
 223 \\vbadness 20000
 224 \\lineskip 0pt
 225 \\marginparwidth 0pt
 226 \\oddsidemargin  -2cm
 227 \\evensidemargin -2cm
 228 \\marginparsep   0pt
 229 \\topmargin      0pt
 230 \\textwidth      7.5in
 231 \\textheight     9.5in
 232 \\newlength{\\cellwidth}
 233 \\newlength{\\cellheight}
 234 \\newlength{\\boxwidth}
 235 \\newlength{\\boxheight}
 236 \\newlength{\\cellsize}
 237 \\newcommand{\\myday}[1]{}
 238 \\newcommand{\\caldate}[6]{}
 239 \\newcommand{\\nocaldate}[6]{}
 240 \\newcommand{\\calsmall}[6]{}
 241 %
 242 "))
 243
 244 ;;;
 245 ;;;  Yearly calendars
 246 ;;;
 247
 248 (defun cal-tex-cursor-year (&optional arg)
 249   "Make a buffer with LaTeX commands for the year cursor is on.
 250 Optional prefix argument specifies number of years."
 251   (interactive "P")
 252   (cal-tex-year (extract-calendar-year (calendar-cursor-to-date t))
 253                 (if arg arg 1)))
 254
 255 (defun cal-tex-cursor-year-landscape (&optional arg)
 256   "Make a buffer with LaTeX commands for the year cursor is on.
 257 Optional prefix argument specifies number of years."
 258   (interactive "P")
 259   (cal-tex-year (extract-calendar-year (calendar-cursor-to-date t))
 260                 (if arg arg 1)
 261                 t))
 262
 263 (defun cal-tex-year (year n &optional landscape)
 264   "Make a one page yearly calendar of YEAR; do this for N years.
 265 There are four rows of three months each, unless optional LANDSCAPE is t,
 266 in which case the calendar isprinted in landscape mode with three rows of
 267 four months each."
 268   (cal-tex-insert-preamble 1 landscape "12pt")
 269   (if landscape
 270       (cal-tex-vspace "-.6cm")
 271     (cal-tex-vspace "-3.1cm"))
 272   (calendar-for-loop j from 1 to n do
 273      (insert "\\vfill%\n")
 274      (cal-tex-b-center)
 275      (cal-tex-Huge (number-to-string year))
 276      (cal-tex-e-center)
 277      (cal-tex-vspace "1cm")
 278      (cal-tex-b-center)
 279      (cal-tex-b-parbox "l" (if landscape "5.9in" "4.3in"))
 280      (insert "\n")
 281      (cal-tex-noindent)
 282      (cal-tex-nl)
 283      (calendar-for-loop i from 1 to 12 do
 284         (insert (cal-tex-mini-calendar i year "month" "1.1in" "1in"))
 285         (insert "\\month")
 286         (cal-tex-hspace "0.5in")
 287         (if (zerop (mod i (if landscape 4 3)))
 288             (cal-tex-nl "0.5in")))
 289      (cal-tex-e-parbox)
 290      (cal-tex-e-center)
 291      (insert "\\vfill%\n")
 292      (setq year (1+ year))
 293      (if (/= j n)
 294          (cal-tex-newpage)
 295        (cal-tex-end-document))
 296      (run-hooks 'cal-tex-year-hook))
 297   (run-hooks 'cal-tex-hook))
 298
 299 (defun cal-tex-cursor-filofax-year (&optional arg)
 300   "Make a Filofax one page yearly calendar of year indicated by cursor.
 301 Optional parameter specifies number of years."
 302   (interactive "P")
 303   (let* ((n (if arg arg 1))
 304          (year (extract-calendar-year (calendar-cursor-to-date t))))
 305     (cal-tex-preamble "twoside")
 306     (cal-tex-cmd "\\textwidth 3.25in")
 307     (cal-tex-cmd "\\textheight 6.5in")
 308     (cal-tex-cmd "\\oddsidemargin 1.675in")
 309     (cal-tex-cmd "\\evensidemargin 1.675in")
 310     (cal-tex-cmd "\\topmargin 0pt")
 311     (cal-tex-cmd "\\headheight -0.875in")
 312     (cal-tex-cmd "\\fboxsep 0.5mm")
 313     (cal-tex-cmd "\\pagestyle{empty}")
 314     (cal-tex-b-document)
 315     (cal-tex-cmd "\\vspace*{0.25in}")
 316     (calendar-for-loop j from 1 to n do
 317        (insert (format "\\hfil {\\Large \\bf %s} \\hfil\\\\\n" year))
 318        (cal-tex-b-center)
 319        (cal-tex-b-parbox "l" "\\textwidth")
 320        (insert "\n")
 321        (cal-tex-noindent)
 322        (cal-tex-nl)
 323        (calendar-for-loop i from 1 to 12 do
 324           (insert (cal-tex-mini-calendar i year
 325                                          (calendar-month-name i)
 326                                          "1in" ".9in" "tiny" "0.6mm")))
 327        (insert
 328 "\\noindent\\fbox{\\January}\\fbox{\\February}\\fbox{\\March}\\\\
 329 \\noindent\\fbox{\\April}\\fbox{\\May}\\fbox{\\June}\\\\
 330 \\noindent\\fbox{\\July}\\fbox{\\August}\\fbox{\\September}\\\\
 331 \\noindent\\fbox{\\October}\\fbox{\\November}\\fbox{\\December}
 332 ")
 333        (cal-tex-e-parbox)
 334        (cal-tex-e-center)
 335        (setq year (1+ year))
 336        (if (= j n)
 337            (cal-tex-end-document)
 338          (cal-tex-newpage)
 339          (cal-tex-cmd "\\vspace*{0.25in}"))
 340        (run-hooks 'cal-tex-year-hook))
 341     (run-hooks 'cal-tex-hook)))
 342
 343 ;;;
 344 ;;;  Monthly calendars
 345 ;;;
 346
 347 (defun cal-tex-cursor-month-landscape (&optional arg)
 348   "Make a buffer with LaTeX commands for the month cursor is on.
 349 Optional prefix argument specifies number of months to be produced.
 350 The output is in landscape format, one month to a page."
 351   (interactive "P")
 352   (let* ((n (if arg arg 1))
 353          (date (calendar-cursor-to-date t))
 354          (month (extract-calendar-month date))
 355          (year (extract-calendar-year date))
 356          (end-month month)
 357          (end-year year)
 358          (cal-tex-which-days '(0 1 2 3 4 5 6)))
 359     (increment-calendar-month end-month end-year (1- n))
 360     (let ((diary-list (if cal-tex-diary
 361                           (cal-tex-list-diary-entries
 362                            (calendar-absolute-from-gregorian
 363                             (list month 1 year))
 364                            (calendar-absolute-from-gregorian
 365                             (list end-month
 366                                   (calendar-last-day-of-month
 367                                    end-month end-year)
 368                                   end-year)))))
 369           (holidays (if cal-tex-holidays
 370                         (cal-tex-list-holidays
 371                          (calendar-absolute-from-gregorian
 372                           (list month 1 year))
 373                          (calendar-absolute-from-gregorian
 374                           (list end-month
 375                                 (calendar-last-day-of-month end-month end-year)
 376                                 end-year)))))
 377           (other-month)
 378           (other-year)
 379           (small-months-at-start))
 380       (cal-tex-insert-preamble (cal-tex-number-weeks month year 1) t "12pt")
 381       (cal-tex-cmd cal-tex-cal-one-month)
 382       (calendar-for-loop i from 1 to n do
 383          (setq other-month month)
 384          (setq other-year year)
 385          (increment-calendar-month other-month other-year -1)
 386          (insert (cal-tex-mini-calendar other-month other-year "lastmonth"
 387                                         "\\cellwidth" "\\cellheight"))
 388          (increment-calendar-month other-month other-year 2)
 389          (insert (cal-tex-mini-calendar other-month other-year "nextmonth"
 390                                         "\\cellwidth" "\\cellheight"))
 391          (cal-tex-insert-month-header 1 month year month year)
 392          (cal-tex-insert-day-names)
 393          (cal-tex-nl ".2cm")
 394          (setq small-months-at-start
 395                (< 1 (mod (- (calendar-day-of-week (list month 1 year))
 396                             calendar-week-start-day)
 397                          7)))
 398          (if small-months-at-start
 399              (insert "\\lastmonth\\nextmonth\\hspace*{-2\\cellwidth}"))
 400          (cal-tex-insert-blank-days month year cal-tex-day-prefix)
 401          (cal-tex-insert-days month year diary-list holidays
 402                               cal-tex-day-prefix)
 403          (cal-tex-insert-blank-days-at-end month year cal-tex-day-prefix)
 404          (if (and (not small-months-at-start)
 405                   (< 1 (mod (- (1- calendar-week-start-day)
 406                                (calendar-day-of-week
 407                                 (list month
 408                                       (calendar-last-day-of-month month year)
 409                                       year)))
 410                                  7)))
 411              (insert "\\vspace*{-\\cellwidth}\\hspace*{-2\\cellwidth}"
 412                      "\\lastmonth\\nextmonth"))
 413          (if (/= i n)
 414              (progn
 415                (run-hooks 'cal-tex-month-hook)
 416                (cal-tex-newpage)
 417                (increment-calendar-month month year 1)
 418                (cal-tex-vspace "-2cm")
 419                (cal-tex-insert-preamble
 420                 (cal-tex-number-weeks month year 1) t "12pt" t))))
 421       (cal-tex-end-document)
 422       (run-hooks 'cal-tex-hook))))
 423
 424 (defun cal-tex-cursor-month (arg)
 425   "Make a buffer with LaTeX commands for the month cursor is on.
 426 Optional prefix argument specifies number of months to be produced.
 427 Calendar is condensed onto one page."
 428   (interactive "P")
 429   (let* ((date (calendar-cursor-to-date t))
 430          (month (extract-calendar-month date))
 431          (year (extract-calendar-year date))
 432          (end-month month)
 433          (end-year year)
 434          (n (if arg arg 1)))
 435     (increment-calendar-month end-month end-year (1- n))
 436     (let ((diary-list (if cal-tex-diary
 437                           (cal-tex-list-diary-entries
 438                            (calendar-absolute-from-gregorian
 439                             (list month 1 year))
 440                            (calendar-absolute-from-gregorian
 441                             (list end-month
 442                                   (calendar-last-day-of-month
 443                                    end-month end-year)
 444                                   end-year)))))
 445           (holidays (if cal-tex-holidays
 446                         (cal-tex-list-holidays
 447                          (calendar-absolute-from-gregorian
 448                           (list month 1 year))
 449                          (calendar-absolute-from-gregorian
 450                           (list end-month
 451                                 (calendar-last-day-of-month end-month end-year)
 452                                 end-year)))))
 453           (other-month)
 454           (other-year))
 455       (cal-tex-insert-preamble (cal-tex-number-weeks month year n) nil"12pt")
 456       (if (> n 1)
 457           (cal-tex-cmd cal-tex-cal-multi-month)
 458         (cal-tex-cmd cal-tex-cal-one-month))
 459       (cal-tex-insert-month-header n month year end-month end-year)
 460       (cal-tex-insert-day-names)
 461       (cal-tex-nl ".2cm")
 462       (cal-tex-insert-blank-days month year cal-tex-day-prefix)
 463       (calendar-for-loop i from 1 to n do
 464          (setq other-month month)
 465          (setq other-year year)
 466          (cal-tex-insert-days month year diary-list holidays
 467                               cal-tex-day-prefix)
 468          (increment-calendar-month month year 1))
 469       (cal-tex-insert-blank-days-at-end end-month end-year cal-tex-day-prefix)
 470       (cal-tex-end-document)))
 471   (run-hooks 'cal-tex-hook))
 472
 473 (defun cal-tex-insert-days (month year diary-list holidays day-format)
 474   "Insert LaTeX commands for a range of days in monthly calendars.
 475 LaTeX commands are inserted for the days of the MONTH in YEAR.
 476 Diary entries on DIARY-LIST are included. Holidays on HOLIDAYS are included.
 477 Each day is formatted using format DAY-FORMAT."
 478   (let* ((blank-days;; at start of month
 479           (mod
 480            (- (calendar-day-of-week (list month 1 year))
 481               calendar-week-start-day)
 482            7))
 483          (date)
 484          (last (calendar-last-day-of-month month year)))
 485     (calendar-for-loop i from 1 to last do
 486        (setq date (list month i year))
 487        (if (memq (calendar-day-of-week date) cal-tex-which-days)
 488            (progn
 489              (insert (format day-format (calendar-month-name month) i))
 490              (cal-tex-arg (cal-tex-latexify-list diary-list date))
 491              (cal-tex-arg (cal-tex-latexify-list holidays date))
 492              (cal-tex-arg (eval cal-tex-daily-string))
 493              (cal-tex-arg)
 494              (cal-tex-comment)))
 495        (if (and (zerop (mod (+ i blank-days) 7))
 496                 (/= i last))
 497            (progn
 498              (cal-tex-hfill)
 499              (cal-tex-nl))))))
 500
 501 (defun cal-tex-insert-day-names ()
 502   "Insert the names of the days at top of a monthly calendar."
 503   (calendar-for-loop i from 0 to 6 do
 504      (if (memq i cal-tex-which-days)
 505          (insert (format cal-tex-day-name-format
 506                          (aref calendar-day-name-array
 507                                (mod (+ calendar-week-start-day i) 7)))))
 508      (cal-tex-comment)))
 509
 510 (defun cal-tex-insert-month-header (n month year end-month end-year)
 511   "Create a title for a calendar.
 512 A title is inserted for a calendar with N months starting with
 513 MONTH YEAR and ending with END-MONTH END-YEAR."
 514   (let ( (month-name (calendar-month-name  month))
 515          (end-month-name (calendar-month-name  end-month)))
 516     (if (= 1 n)
 517         (insert (format "\\calmonth{%s}{%s}\n\\vspace*{-0.5cm}"
 518                 month-name year) )
 519         (insert (format "\\calmonth{%s}{%s}{%s}{%s}\n\\vspace*{-0.5cm}"
 520                 month-name year end-month-name end-year))))
 521   (cal-tex-comment))
 522
 523 (defun cal-tex-insert-blank-days (month year day-format)
 524   "Insert code for initial days not in calendar.
 525 Insert LaTeX code for the blank days at the beginning of the MONTH in
 526 YEAR.  The entry is formatted using DAY-FORMAT.  If the entire week is
 527 blank, no days are inserted."
 528   (if (cal-tex-first-blank-p month year)
 529       (let* ((blank-days;; at start of month
 530               (mod
 531                (- (calendar-day-of-week (list month 1 year))
 532                   calendar-week-start-day)
 533                7)))
 534         (calendar-for-loop i from 0 to (1- blank-days) do
 535             (if (memq i cal-tex-which-days)
 536                 (insert (format day-format " " " ") "{}{}{}{}%\n"))))))
 537
 538 (defun cal-tex-insert-blank-days-at-end (month year day-format)
 539   "Insert code for final days not in calendar.
 540 Insert LaTeX code for the blank days at the end of the MONTH in YEAR.
 541 The entry is formatted using DAY-FORMAT."
 542   (if (cal-tex-last-blank-p month year)
 543       (let* ((last-day (calendar-last-day-of-month month year))
 544              (blank-days;; at end of month
 545               (mod
 546                (- (calendar-day-of-week (list month last-day year))
 547                   calendar-week-start-day)
 548                7)))
 549         (calendar-for-loop i from (1+ blank-days) to 6 do
 550            (if (memq i cal-tex-which-days)
 551                (insert (format day-format "" "") "{}{}{}{}%\n"))))))
 552
 553 (defun cal-tex-first-blank-p (month year)
 554   "Determine if any days of the first week will be printed.
 555 Return t if there will there be any days of the first week printed
 556 in the calendar starting in MONTH YEAR."
 557   (let ((any-days nil)
 558         (the-saturday))                 ;the day of week of 1st Saturday
 559     (calendar-for-loop i from 1 to 7 do
 560        (if (= 6 (calendar-day-of-week (list month i year)))
 561            (setq the-saturday i)))
 562     (calendar-for-loop i from 1 to the-saturday do
 563        (if (memq (calendar-day-of-week (list month i year))
 564                  cal-tex-which-days)
 565            (setq any-days t)))
 566     any-days))
 567
 568 (defun cal-tex-last-blank-p (month year)
 569   "Determine if any days of the last week will be printed.
 570 Return t if there will there be any days of the last week printed
 571 in the calendar starting in MONTH YEAR."
 572   (let ((any-days nil)
 573         (last-day (calendar-last-day-of-month month year))
 574         (the-sunday))                   ;the day of week of last Sunday
 575     (calendar-for-loop i from (- last-day 6) to last-day do
 576        (if (= 0 (calendar-day-of-week (list month i year)))
 577            (setq the-sunday i)))
 578     (calendar-for-loop i from the-sunday to last-day do
 579        (if (memq (calendar-day-of-week (list month i year))
 580                  cal-tex-which-days)
 581            (setq any-days t)))
 582     any-days))
 583
 584 (defun cal-tex-number-weeks (month year n)
 585   "Determine the number of weeks in a range of dates.
 586 Compute the number of  weeks in the calendar starting with MONTH and YEAR,
 587 and lasting N months, including only the days in WHICH-DAYS. As it stands,
 588 this is only an upper bound."
 589   (let ((d (list month 1 year)))
 590     (increment-calendar-month month year (1- n))
 591     (/ (- (calendar-dayname-on-or-before
 592            calendar-week-start-day
 593            (+ 7 (calendar-absolute-from-gregorian
 594                    (list month (calendar-last-day-of-month month year) year))))
 595           (calendar-dayname-on-or-before
 596            calendar-week-start-day
 597            (calendar-absolute-from-gregorian d)))
 598        7)))
 599
 600 ;;;
 601 ;;; Weekly calendars
 602 ;;;
 603
 604 (defun cal-tex-cursor-week (&optional arg)
 605   "Make a buffer with LaTeX commands for a two-page one-week calendar.
 606 It applies to the week that point is in.
 607 Optional prefix argument specifies number of weeks.
 608 Holidays are included if `cal-tex-holidays' is t."
 609   (interactive "P")
 610   (let* ((n (if arg arg 1))
 611          (date (calendar-gregorian-from-absolute
 612                 (calendar-dayname-on-or-before
 613                  calendar-week-start-day
 614                  (calendar-absolute-from-gregorian
 615                   (calendar-cursor-to-date t)))))
 616          (month (extract-calendar-month date))
 617          (year (extract-calendar-year date))
 618          (holidays (if cal-tex-holidays
 619                        (cal-tex-list-holidays
 620                         (calendar-absolute-from-gregorian date)
 621                         (+ (* 7 n)
 622                            (calendar-absolute-from-gregorian date))))))
 623     (cal-tex-preamble "11pt")
 624     (cal-tex-cmd "\\textwidth   6.5in")
 625     (cal-tex-cmd "\\textheight 10.5in")
 626     (cal-tex-cmd "\\oddsidemargin 0in")
 627     (cal-tex-cmd "\\evensidemargin 0in")
 628     (insert cal-tex-LaTeX-hourbox)
 629     (cal-tex-b-document)
 630     (cal-tex-cmd "\\pagestyle{empty}")
 631     (calendar-for-loop i from 1 to n do
 632        (cal-tex-vspace "-1.5in")
 633        (cal-tex-b-center)
 634        (cal-tex-Huge-bf (format "\\uppercase{%s}"
 635                                 (calendar-month-name month)))
 636        (cal-tex-hspace "2em")
 637        (cal-tex-Huge-bf (number-to-string year))
 638        (cal-tex-nl ".5cm")
 639        (cal-tex-e-center)
 640        (cal-tex-hspace "-.2in")
 641        (cal-tex-b-parbox "l" "7in")
 642        (calendar-for-loop j from 1 to 7 do
 643           (cal-tex-week-hours date holidays "3.1")
 644           (setq date (cal-tex-incr-date date)))
 645        (cal-tex-e-parbox)
 646        (setq month (extract-calendar-month date))
 647        (setq year (extract-calendar-year date))
 648        (if (/= i n)
 649            (progn
 650              (run-hooks 'cal-tex-week-hook)
 651              (cal-tex-newpage))))
 652     (cal-tex-end-document)
 653     (run-hooks 'cal-tex-hook)))
 654
 655 (defun cal-tex-cursor-week2 (&optional arg)
 656   "Make a buffer with LaTeX commands for a two-page one-week calendar.
 657 It applies to the week that point is in.
 658 Optional prefix argument specifies number of weeks.
 659 Holidays are included if `cal-tex-holidays' is t."
 660   (interactive "P")
 661   (let* ((n (if arg arg 1))
 662          (date (calendar-gregorian-from-absolute
 663                 (calendar-dayname-on-or-before
 664                  calendar-week-start-day
 665                  (calendar-absolute-from-gregorian
 666                   (calendar-cursor-to-date t)))))
 667          (month (extract-calendar-month date))
 668          (year (extract-calendar-year date))
 669          (d date)
 670          (holidays (if cal-tex-holidays
 671                        (cal-tex-list-holidays
 672                         (calendar-absolute-from-gregorian date)
 673                         (+ (* 7 n)
 674                            (calendar-absolute-from-gregorian date))))))
 675     (cal-tex-preamble "12pt")
 676     (cal-tex-cmd "\\textwidth   6.5in")
 677     (cal-tex-cmd "\\textheight 10.5in")
 678     (cal-tex-cmd "\\oddsidemargin 0in")
 679     (cal-tex-cmd "\\evensidemargin 0in")
 680     (insert cal-tex-LaTeX-hourbox)
 681     (cal-tex-b-document)
 682     (cal-tex-cmd "\\pagestyle{empty}")
 683     (calendar-for-loop i from 1 to n do
 684        (cal-tex-vspace "-1.5in")
 685        (cal-tex-b-center)
 686        (cal-tex-Huge-bf (format "\\uppercase{%s}"
 687                                 (calendar-month-name month)))
 688        (cal-tex-hspace "2em")
 689        (cal-tex-Huge-bf (number-to-string year))
 690        (cal-tex-nl ".5cm")
 691        (cal-tex-e-center)
 692        (cal-tex-hspace "-.2in")
 693        (cal-tex-b-parbox "l" "\\textwidth")
 694        (calendar-for-loop j from 1 to 3 do
 695           (cal-tex-week-hours date holidays "5")
 696           (setq date (cal-tex-incr-date date)))
 697        (cal-tex-e-parbox)
 698        (cal-tex-nl)
 699        (insert (cal-tex-mini-calendar
 700                 (extract-calendar-month (cal-tex-previous-month date))
 701                 (extract-calendar-year (cal-tex-previous-month date))
 702                 "lastmonth" "1.1in" "1in"))
 703        (insert (cal-tex-mini-calendar
 704                 (extract-calendar-month date)
 705                 (extract-calendar-year date)
 706                 "thismonth" "1.1in" "1in"))
 707        (insert (cal-tex-mini-calendar
 708                 (extract-calendar-month (cal-tex-next-month date))
 709                 (extract-calendar-year (cal-tex-next-month date))
 710                 "nextmonth" "1.1in" "1in"))
 711        (insert "\\hbox to \\textwidth{")
 712        (cal-tex-hfill)
 713        (insert "\\lastmonth")
 714        (cal-tex-hfill)
 715        (insert "\\thismonth")
 716        (cal-tex-hfill)
 717        (insert "\\nextmonth")
 718        (cal-tex-hfill)
 719        (insert "}")
 720        (cal-tex-nl)
 721        (cal-tex-b-parbox "l" "\\textwidth")
 722        (calendar-for-loop j from 4 to 7 do
 723                           (cal-tex-week-hours date holidays "5")
 724                           (setq date (cal-tex-incr-date date)))
 725        (cal-tex-e-parbox)
 726        (setq month (extract-calendar-month date))
 727        (setq year (extract-calendar-year date))
 728        (if (/= i n)
 729            (progn
 730              (run-hooks 'cal-tex-week-hook)
 731              (cal-tex-newpage))))
 732     (cal-tex-end-document)
 733     (run-hooks 'cal-tex-hook)))
 734
 735 (defun cal-tex-cursor-week-iso (&optional arg)
 736   "Make a buffer with LaTeX commands for a one page ISO-style weekly calendar.
 737 Optional prefix argument specifies number of weeks.
 738 Diary entries are included if `cal-tex-diary' is t.
 739 Holidays are included if `cal-tex-holidays' is t."
 740   (interactive "P")
 741   (let* ((n (if arg arg 1))
 742          (date (calendar-gregorian-from-absolute
 743                 (calendar-dayname-on-or-before
 744                  1
 745                  (calendar-absolute-from-gregorian
 746                   (calendar-cursor-to-date t)))))
 747          (month (extract-calendar-month date))
 748          (year (extract-calendar-year date))
 749          (day (extract-calendar-day date))
 750          (holidays (if cal-tex-holidays
 751                        (cal-tex-list-holidays
 752                         (calendar-absolute-from-gregorian date)
 753                         (+ (* 7 n)
 754                            (calendar-absolute-from-gregorian date)))))
 755          (diary-list (if cal-tex-diary
 756                          (cal-tex-list-diary-entries
 757                           (calendar-absolute-from-gregorian
 758                            (list month 1 year))
 759                         (+ (* 7 n)
 760                            (calendar-absolute-from-gregorian date))))))
 761     (cal-tex-preamble "11pt")
 762     (cal-tex-cmd "\\textwidth 6.5in")
 763     (cal-tex-cmd "\\textheight 10.5in")
 764     (cal-tex-cmd "\\oddsidemargin 0in")
 765     (cal-tex-cmd "\\evensidemargin 0in")
 766     (cal-tex-b-document)
 767     (cal-tex-cmd "\\pagestyle{empty}")
 768     (calendar-for-loop i from 1 to n do
 769        (cal-tex-vspace "-1.5in")
 770        (cal-tex-b-center)
 771        (cal-tex-Huge-bf
 772         (let* ((d (calendar-iso-from-absolute
 773                    (calendar-absolute-from-gregorian date))))
 774           (format "Week %d of %d"
 775                   (extract-calendar-month d)
 776                   (extract-calendar-year d))))
 777        (cal-tex-nl ".5cm")
 778        (cal-tex-e-center)
 779        (cal-tex-b-parbox "l" "\\textwidth")
 780        (calendar-for-loop j from 1 to 7 do
 781           (cal-tex-b-parbox "t" "\\textwidth")
 782           (cal-tex-b-parbox "t" "\\textwidth")
 783           (cal-tex-rule "0pt" "\\textwidth" ".2mm")
 784           (cal-tex-nl)
 785           (cal-tex-b-parbox "t" "\\textwidth")
 786           (cal-tex-large-bf (calendar-day-name date))
 787           (insert ", ")
 788           (cal-tex-large-bf (calendar-month-name month))
 789           (insert " ")
 790           (cal-tex-large-bf (number-to-string day))
 791           (if (not (string= "" (cal-tex-latexify-list holidays date)))
 792               (progn
 793                 (insert ": ")
 794                 (cal-tex-large-bf (cal-tex-latexify-list holidays date "; "))))
 795           (cal-tex-hfill)
 796           (insert " " (eval cal-tex-daily-string))
 797           (cal-tex-e-parbox)
 798           (cal-tex-nl)
 799           (cal-tex-noindent)
 800           (cal-tex-b-parbox "t" "\\textwidth")
 801           (if (not (string= "" (cal-tex-latexify-list diary-list date)))
 802               (progn
 803                 (insert "\\vbox to 0pt{")
 804                 (cal-tex-large-bf
 805                  (cal-tex-latexify-list diary-list date))
 806                 (insert "}")))
 807           (cal-tex-e-parbox)
 808           (cal-tex-nl)
 809           (setq date (cal-tex-incr-date date))
 810           (setq month (extract-calendar-month date))
 811           (setq day (extract-calendar-day date))
 812           (cal-tex-e-parbox)
 813           (cal-tex-e-parbox "2cm")
 814           (cal-tex-nl)
 815           (setq month (extract-calendar-month date))
 816           (setq year (extract-calendar-year date)))
 817        (cal-tex-e-parbox)
 818        (if (/= i n)
 819            (progn
 820              (run-hooks 'cal-tex-week-hook)
 821              (cal-tex-newpage))))
 822     (cal-tex-end-document)
 823     (run-hooks 'cal-tex-hook)))
 824
 825 (defvar cal-tex-LaTeX-hourbox
 826   "\\newcommand{\\hourbox}[2]%
 827 {\\makebox[2em]{\\rule{0cm}{#2ex}#1}\\rule{3in}{.15mm}}\n"
 828   "One hour and a line on the right.")
 829
 830 (defun cal-tex-week-hours (date holidays height)
 831   "Insert hourly entries for DATE with HOLIDAYS, with line height HEIGHT."
 832   (let ((month (extract-calendar-month date))
 833         (day   (extract-calendar-day date))
 834         (year  (extract-calendar-year date))
 835         (afternoon))
 836   (cal-tex-comment "begin cal-tex-week-hours")
 837   (cal-tex-cmd  "\\ \\\\[-.2cm]")
 838   (cal-tex-cmd "\\noindent")
 839   (cal-tex-b-parbox "l" "6.8in")
 840   (cal-tex-large-bf (calendar-day-name date))
 841   (insert ", ")
 842   (cal-tex-large-bf (calendar-month-name month))
 843   (insert " ")
 844   (cal-tex-large-bf (number-to-string day))
 845   (if (not (string= "" (cal-tex-latexify-list holidays date)))
 846       (progn
 847         (insert ": ")
 848         (cal-tex-large-bf (cal-tex-latexify-list holidays date "; "))))
 849   (cal-tex-hfill)
 850   (insert " " (eval cal-tex-daily-string))
 851   (cal-tex-e-parbox)
 852   (cal-tex-nl "-.3cm")
 853   (cal-tex-rule "0pt" "6.8in" ".2mm")
 854   (cal-tex-nl "-.1cm")
 855   (calendar-for-loop i from 8 to 12 do
 856      (if cal-tex-24
 857          (setq afternoon (+ i 5))
 858        (setq afternoon (- i 7)))
 859      (cal-tex-cmd "\\hourbox"  (number-to-string i))
 860      (cal-tex-arg height)
 861      (cal-tex-hspace ".4cm")
 862      (cal-tex-cmd "\\hourbox"  (number-to-string afternoon))
 863      (cal-tex-arg height)
 864      (cal-tex-nl))))
 865
 866 (defun cal-tex-cursor-week-monday (&optional arg)
 867   "Make a buffer with LaTeX commands for a two-page one-week calendar.
 868 It applies to the week that point is in, and starts on Monday.
 869 Optional prefix argument specifies number of weeks.
 870 Holidays are included if `cal-tex-holidays' is t."
 871   (interactive "P")
 872   (let* ((n (if arg arg 1))
 873          (date (calendar-gregorian-from-absolute
 874                 (calendar-dayname-on-or-before
 875                  0
 876                  (calendar-absolute-from-gregorian
 877                   (calendar-cursor-to-date t))))))
 878     (cal-tex-preamble "11pt")
 879     (cal-tex-cmd "\\textwidth   6.5in")
 880     (cal-tex-cmd "\\textheight 10.5in")
 881     (cal-tex-cmd "\\oddsidemargin 0in")
 882     (cal-tex-cmd "\\evensidemargin 0in")
 883     (cal-tex-b-document)
 884     (calendar-for-loop i from 1 to n do
 885        (cal-tex-vspace "-1cm")
 886        (insert "\\noindent ")
 887        (cal-tex-weekly4-box (cal-tex-incr-date date) nil)
 888        (cal-tex-weekly4-box (cal-tex-incr-date date 4) nil)
 889        (cal-tex-nl ".2cm")
 890        (cal-tex-weekly4-box (cal-tex-incr-date date 2) nil)
 891        (cal-tex-weekly4-box (cal-tex-incr-date date 5) nil)
 892        (cal-tex-nl ".2cm")
 893        (cal-tex-weekly4-box (cal-tex-incr-date date 3) nil)
 894        (cal-tex-weekly4-box (cal-tex-incr-date date 6) t)
 895        (if (/= i n)
 896            (progn
 897              (run-hooks 'cal-tex-week-hook)
 898              (setq date (cal-tex-incr-date date 7))
 899              (cal-tex-newpage))))
 900     (cal-tex-end-document)
 901     (run-hooks 'cal-tex-hook)))
 902
 903 (defun cal-tex-weekly4-box (date weekend)
 904   "Make one box for DATE, different if WEEKEND."
 905   (let* (
 906         (day (extract-calendar-day date))
 907         (month (extract-calendar-month date))
 908         (year (extract-calendar-year date))
 909         (dayname (calendar-day-name date))
 910         (date1 (cal-tex-incr-date date))
 911         (day1 (extract-calendar-day date1))
 912         (month1 (extract-calendar-month date1))
 913         (year1 (extract-calendar-year date1))
 914         (dayname1 (calendar-day-name date1))
 915         )
 916     (cal-tex-b-framebox "8cm" "l")
 917     (cal-tex-b-parbox "b" "7.5cm")
 918     (insert (format "{\\Large\\bf %s,} %s/%s/%s\\\\\n" dayname month day year))
 919     (cal-tex-rule "0pt" "7.5cm" ".5mm")
 920     (cal-tex-nl)
 921     (if (not weekend)
 922         (progn
 923           (calendar-for-loop i from 8 to 12 do
 924              (insert (format "{\\large\\sf %d}\\\\\n" i)))
 925           (calendar-for-loop i from 1 to 5 do
 926              (insert (format "{\\large\\sf %d}\\\\\n" i)))))
 927     (cal-tex-nl ".5cm")
 928     (if weekend
 929         (progn
 930           (cal-tex-vspace "1cm")
 931           (insert "\\ \\vfill")
 932           (insert (format "{\\Large\\bf %s,} %s/%s/%s\\\\\n"
 933                           dayname1 month1 day1 year1))
 934           (cal-tex-rule "0pt" "7.5cm" ".5mm")
 935           (cal-tex-nl "1.5cm")
 936           (cal-tex-vspace "1cm")))
 937      (cal-tex-e-parbox)
 938      (cal-tex-e-framebox)
 939      (cal-tex-hspace "1cm")))
 940
 941 (defun cal-tex-cursor-filofax-2week (&optional arg)
 942   "Two-weeks-at-a-glance Filofax style calendar for week indicated by cursor.
 943 Optional prefix argument specifies number of weeks.
 944 Diary entries are included if `cal-tex-diary' is t.
 945 Holidays are included if `cal-tex-holidays' is t."
 946   (interactive "P")
 947   (let* ((n (if arg arg 1))
 948          (date (calendar-gregorian-from-absolute
 949                 (calendar-dayname-on-or-before
 950                  calendar-week-start-day
 951                  (calendar-absolute-from-gregorian
 952                   (calendar-cursor-to-date t)))))
 953          (month (extract-calendar-month date))
 954          (year (extract-calendar-year date))
 955          (day (extract-calendar-day date))
 956          (holidays (if cal-tex-holidays
 957                        (cal-tex-list-holidays
 958                         (calendar-absolute-from-gregorian date)
 959                         (+ (* 7 n)
 960                            (calendar-absolute-from-gregorian date)))))
 961          (diary-list (if cal-tex-diary
 962                          (cal-tex-list-diary-entries
 963                           (calendar-absolute-from-gregorian
 964                            (list month 1 year))
 965                         (+ (* 7 n)
 966                            (calendar-absolute-from-gregorian date))))))
 967     (cal-tex-preamble "twoside")
 968     (cal-tex-cmd "\\textwidth 3.25in")
 969     (cal-tex-cmd "\\textheight 6.5in")
 970     (cal-tex-cmd "\\oddsidemargin 1.75in")
 971     (cal-tex-cmd "\\evensidemargin 1.5in")
 972     (cal-tex-cmd "\\topmargin 0pt")
 973     (cal-tex-cmd "\\headheight -0.875in")
 974     (cal-tex-cmd "\\headsep 0.125in")
 975     (cal-tex-cmd "\\footskip .125in")
 976     (insert "\\def\\righthead#1{\\hfill {\\normalsize \\bf #1}\\\\[-6pt]}
 977 \\long\\def\\rightday#1#2#3#4#5{%
 978    \\rule{\\textwidth}{0.3pt}\\\\%
 979    \\hbox to \\textwidth{%
 980      \\vbox to 0.7in{%
 981           \\vspace*{2pt}%
 982           \\hbox to \\textwidth{\\small #5 \\hfill #1 {\\normalsize \\bf #2}}%
 983           \\hbox to \\textwidth{\\vbox {\\raggedleft \\footnotesize \\em #4}}%
 984           \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #3}}}}\\\\}
 985 \\def\\lefthead#1{\\noindent {\\normalsize \\bf #1}\\hfill\\\\[-6pt]}
 986 \\long\\def\\leftday#1#2#3#4#5{%
 987    \\rule{\\textwidth}{0.3pt}\\\\%
 988    \\hbox to \\textwidth{%
 989      \\vbox to 0.7in{%
 990           \\vspace*{2pt}%
 991           \\hbox to \\textwidth{\\noindent {\\normalsize \\bf #2} \\small #1 \\hfill #5}%
 992           \\hbox to \\textwidth{\\vbox {\\noindent \\footnotesize \\em #4}}%
 993           \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #3}}}}\\\\}
 994 ")
 995     (cal-tex-b-document)
 996     (cal-tex-cmd "\\pagestyle{empty}")
 997     (calendar-for-loop i from 1 to n do
 998        (if (= (mod i 2) 1)
 999            (insert "\\righthead")
1000          (insert "\\lefthead"))
1001        (cal-tex-arg
1002         (let ((d (cal-tex-incr-date date 6)))
1003           (if (= (extract-calendar-month date)
1004                  (extract-calendar-month d))
1005               (format "%s %s"
1006                       (calendar-month-name
1007                        (extract-calendar-month date))
1008                       (extract-calendar-year date))
1009             (if (=  (extract-calendar-year date)
1010                     (extract-calendar-year d))
1011                 (format "%s---%s %s"
1012                         (calendar-month-name
1013                          (extract-calendar-month date))
1014                         (calendar-month-name
1015                          (extract-calendar-month d))
1016                         (extract-calendar-year date))
1017               (format "%s %s---%s %s"
1018                       (calendar-month-name
1019                        (extract-calendar-month date))
1020                       (extract-calendar-year date)
1021                       (calendar-month-name (extract-calendar-month d))
1022                       (extract-calendar-year d))))))
1023        (insert "%\n")
1024        (calendar-for-loop j from 1 to 7 do
1025           (if (= (mod i 2) 1)
1026               (insert "\\rightday")
1027             (insert "\\leftday"))
1028           (cal-tex-arg (calendar-day-name date))
1029           (cal-tex-arg (int-to-string (extract-calendar-day date)))
1030           (cal-tex-arg (cal-tex-latexify-list diary-list date))
1031           (cal-tex-arg (cal-tex-latexify-list holidays date))
1032           (cal-tex-arg (eval cal-tex-daily-string))
1033           (insert "%\n")
1034           (setq date (cal-tex-incr-date date)))
1035        (if (/= i n)
1036            (progn
1037              (run-hooks 'cal-tex-week-hook)
1038              (cal-tex-newpage))))
1039     (cal-tex-end-document)
1040     (run-hooks 'cal-tex-hook)))
1041
1042 (defun cal-tex-cursor-filofax-week (&optional arg)
1043   "One-week-at-a-glance Filofax style calendar for week indicated by cursor.
1044 Optional prefix argument specifies number of weeks.
1045 Weeks start on Monday.
1046 Diary entries are included if `cal-tex-diary' is t.
1047 Holidays are included if `cal-tex-holidays' is t."
1048   (interactive "P")
1049   (let* ((n (if arg arg 1))
1050          (date (calendar-gregorian-from-absolute
1051                 (calendar-dayname-on-or-before
1052                  1
1053                  (calendar-absolute-from-gregorian
1054                   (calendar-cursor-to-date t)))))
1055          (month (extract-calendar-month date))
1056          (year (extract-calendar-year date))
1057          (day (extract-calendar-day date))
1058          (holidays (if cal-tex-holidays
1059                        (cal-tex-list-holidays
1060                         (calendar-absolute-from-gregorian date)
1061                         (+ (* 7 n)
1062                            (calendar-absolute-from-gregorian date)))))
1063          (diary-list (if cal-tex-diary
1064                          (cal-tex-list-diary-entries
1065                           (calendar-absolute-from-gregorian
1066                            (list month 1 year))
1067                         (+ (* 7 n)
1068                            (calendar-absolute-from-gregorian date))))))
1069     (cal-tex-preamble "twoside")
1070     (cal-tex-cmd "\\textwidth 3.25in")
1071     (cal-tex-cmd "\\textheight 6.5in")
1072     (cal-tex-cmd "\\oddsidemargin 1.75in")
1073     (cal-tex-cmd "\\evensidemargin 1.5in")
1074     (cal-tex-cmd "\\topmargin 0pt")
1075     (cal-tex-cmd "\\headheight -0.875in")
1076     (cal-tex-cmd "\\headsep 0.125in")
1077     (cal-tex-cmd "\\footskip .125in")
1078     (insert "\\def\\righthead#1{\\hfill {\\normalsize \\bf #1}\\\\[-6pt]}
1079 \\long\\def\\rightday#1#2#3#4#5{%
1080    \\rule{\\textwidth}{0.3pt}\\\\%
1081    \\hbox to \\textwidth{%
1082      \\vbox to 1.85in{%
1083           \\vspace*{2pt}%
1084           \\hbox to \\textwidth{\\small #5 \\hfill #1 {\\normalsize \\bf #2}}%
1085           \\hbox to \\textwidth{\\vbox {\\raggedleft \\footnotesize \\em #4}}%
1086           \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #3}}}}\\\\}
1087 \\long\\def\\weekend#1#2#3#4#5{%
1088    \\rule{\\textwidth}{0.3pt}\\\\%
1089    \\hbox to \\textwidth{%
1090      \\vbox to .8in{%
1091           \\vspace*{2pt}%
1092           \\hbox to \\textwidth{\\small #5 \\hfill #1 {\\normalsize \\bf #2}}%
1093           \\hbox to \\textwidth{\\vbox {\\raggedleft \\footnotesize \\em #4}}%
1094           \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #3}}}}\\\\}
1095 \\def\\lefthead#1{\\noindent {\\normalsize \\bf #1}\\hfill\\\\[-6pt]}
1096 \\long\\def\\leftday#1#2#3#4#5{%
1097    \\rule{\\textwidth}{0.3pt}\\\\%
1098    \\hbox to \\textwidth{%
1099      \\vbox to 1.85in{%
1100           \\vspace*{2pt}%
1101           \\hbox to \\textwidth{\\noindent {\\normalsize \\bf #2} \\small #1 \\hfill #5}%
1102           \\hbox to \\textwidth{\\vbox {\\noindent \\footnotesize \\em #4}}%
1103           \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #3}}}}\\\\}
1104 ")
1105     (cal-tex-b-document)
1106     (cal-tex-cmd "\\pagestyle{empty}\\ ")
1107     (cal-tex-newpage)
1108     (calendar-for-loop i from 1 to n do
1109        (insert "\\lefthead")
1110        (cal-tex-arg
1111         (let ((d (cal-tex-incr-date date 2)))
1112           (if (= (extract-calendar-month date)
1113                  (extract-calendar-month d))
1114               (format "%s %s"
1115                       (calendar-month-name
1116                        (extract-calendar-month date))
1117                       (extract-calendar-year date))
1118             (if (=  (extract-calendar-year date)
1119                     (extract-calendar-year d))
1120                 (format "%s---%s %s"
1121                         (calendar-month-name
1122                          (extract-calendar-month date))
1123                         (calendar-month-name
1124                          (extract-calendar-month d))
1125                         (extract-calendar-year date))
1126               (format "%s %s---%s %s"
1127                       (calendar-month-name
1128                        (extract-calendar-month date))
1129                       (extract-calendar-year date)
1130                       (calendar-month-name (extract-calendar-month d))
1131                       (extract-calendar-year d))))))
1132        (insert "%\n")
1133        (calendar-for-loop j from 1 to 3 do
1134           (insert "\\leftday")
1135           (cal-tex-arg (calendar-day-name date))
1136           (cal-tex-arg (int-to-string (extract-calendar-day date)))
1137           (cal-tex-arg (cal-tex-latexify-list diary-list date))
1138           (cal-tex-arg (cal-tex-latexify-list holidays date))
1139           (cal-tex-arg (eval cal-tex-daily-string))
1140           (insert "%\n")
1141           (setq date (cal-tex-incr-date date)))
1142        (insert "\\noindent\\rule{\\textwidth}{0.3pt}\\\\%\n")
1143        (cal-tex-newpage)
1144        (insert "\\righthead")
1145        (cal-tex-arg
1146         (let ((d (cal-tex-incr-date date 3)))
1147           (if (= (extract-calendar-month date)
1148                  (extract-calendar-month d))
1149               (format "%s %s"
1150                       (calendar-month-name
1151                        (extract-calendar-month date))
1152                       (extract-calendar-year date))
1153             (if (=  (extract-calendar-year date)
1154                     (extract-calendar-year d))
1155                 (format "%s---%s %s"
1156                         (calendar-month-name
1157                          (extract-calendar-month date))
1158                         (calendar-month-name
1159                          (extract-calendar-month d))
1160                         (extract-calendar-year date))
1161               (format "%s %s---%s %s"
1162                       (calendar-month-name
1163                        (extract-calendar-month date))
1164                       (extract-calendar-year date)
1165                       (calendar-month-name (extract-calendar-month d))
1166                       (extract-calendar-year d))))))
1167        (insert "%\n")
1168        (calendar-for-loop j from 1 to 2 do
1169           (insert "\\rightday")
1170           (cal-tex-arg (calendar-day-name date))
1171           (cal-tex-arg (int-to-string (extract-calendar-day date)))
1172           (cal-tex-arg (cal-tex-latexify-list diary-list date))
1173           (cal-tex-arg (cal-tex-latexify-list holidays date))
1174           (cal-tex-arg (eval cal-tex-daily-string))
1175           (insert "%\n")
1176           (setq date (cal-tex-incr-date date)))
1177        (calendar-for-loop j from 1 to 2 do
1178           (insert "\\weekend")
1179           (cal-tex-arg (calendar-day-name date))
1180           (cal-tex-arg (int-to-string (extract-calendar-day date)))
1181           (cal-tex-arg (cal-tex-latexify-list diary-list date))
1182           (cal-tex-arg (cal-tex-latexify-list holidays date))
1183           (cal-tex-arg (eval cal-tex-daily-string))
1184           (insert "%\n")
1185           (setq date (cal-tex-incr-date date)))
1186        (if (/= i n)
1187            (progn
1188              (run-hooks 'cal-tex-week-hook)
1189              (cal-tex-newpage))))
1190     (cal-tex-end-document)
1191     (run-hooks 'cal-tex-hook)))
1192
1193 (defun cal-tex-cursor-filofax-daily (&optional arg)
1194   "Day-per-page Filofax style calendar for week indicated by cursor.
1195 Optional prefix argument specifies number of weeks.  Weeks start on Monday.
1196 Diary entries are included if `cal-tex-diary' is t.
1197 Holidays are included if `cal-tex-holidays' is t."
1198   (interactive "P")
1199   (let* ((n (if arg arg 1))
1200          (date (calendar-gregorian-from-absolute
1201                 (calendar-dayname-on-or-before
1202                  1
1203                  (calendar-absolute-from-gregorian
1204                   (calendar-cursor-to-date t)))))
1205          (month (extract-calendar-month date))
1206          (year (extract-calendar-year date))
1207          (day (extract-calendar-day date))
1208          (holidays (if cal-tex-holidays
1209                        (cal-tex-list-holidays
1210                         (calendar-absolute-from-gregorian date)
1211                         (+ (* 7 n)
1212                            (calendar-absolute-from-gregorian date)))))
1213          (diary-list (if cal-tex-diary
1214                          (cal-tex-list-diary-entries
1215                           (calendar-absolute-from-gregorian
1216                            (list month 1 year))
1217                         (+ (* 7 n)
1218                            (calendar-absolute-from-gregorian date))))))
1219     (cal-tex-preamble "twoside")
1220     (cal-tex-cmd "\\textwidth 3.25in")
1221     (cal-tex-cmd "\\textheight 6.5in")
1222     (cal-tex-cmd "\\oddsidemargin 1.75in")
1223     (cal-tex-cmd "\\evensidemargin 1.5in")
1224     (cal-tex-cmd "\\topmargin 0pt")
1225     (cal-tex-cmd "\\headheight -0.875in")
1226     (cal-tex-cmd "\\headsep 0.125in")
1227     (cal-tex-cmd "\\footskip .125in")
1228     (insert "\\def\\righthead#1{\\hfill {\\normalsize \\bf #1}\\\\[-6pt]}
1229 \\long\\def\\rightday#1#2#3{%
1230    \\rule{\\textwidth}{0.3pt}\\\\%
1231    \\hbox to \\textwidth{%
1232      \\vbox to 1.85in{%
1233           \\vspace*{2pt}%
1234           \\hbox to \\textwidth{\\hfill \\small #3 \\hfill}%
1235           \\hbox to \\textwidth{\\vbox {\\raggedleft \\em #2}}%
1236           \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #1}}}}}
1237 \\long\\def\\weekend#1#2#3{%
1238    \\rule{\\textwidth}{0.3pt}\\\\%
1239    \\hbox to \\textwidth{%
1240      \\vbox to 2in{%
1241           \\vspace*{2pt}%
1242           \\hbox to \\textwidth{\\hfill \\small #3 \\hfill}%
1243           \\hbox to \\textwidth{\\vbox {\\noindent \\em #2}}%
1244           \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #1}}}}}
1245 \\def\\lefthead#1{\\noindent {\\normalsize \\bf #1}\\hfill\\\\[-6pt]}
1246 \\long\\def\\leftday#1#2#3{%
1247    \\rule{\\textwidth}{0.3pt}\\\\%
1248    \\hbox to \\textwidth{%
1249      \\vbox to 1.85in{%
1250           \\vspace*{2pt}%
1251           \\hbox to \\textwidth{\\hfill \\small #3 \\hfill}%
1252           \\hbox to \\textwidth{\\vbox {\\noindent \\em #2}}%
1253           \\hbox to \\textwidth{\\vbox to 0pt {\\noindent \\footnotesize #1}}}}}
1254 ")
1255     (cal-tex-b-document)
1256     (cal-tex-cmd "\\pagestyle{empty}")
1257     (calendar-for-loop i from 1 to n do
1258        (calendar-for-loop j from 1 to 5 do
1259        (insert (if (oddp j) "\\righthead" "\\lefthead"))
1260        (cal-tex-arg (calendar-date-string date))
1261        (insert "%\n")
1262           (insert (if (oddp j) "\\rightday"  "\\leftday"))
1263           (cal-tex-arg (cal-tex-latexify-list diary-list date))
1264           (cal-tex-arg (cal-tex-latexify-list holidays date))
1265           (cal-tex-arg (eval cal-tex-daily-string))
1266           (insert "%\n")
1267           (insert "\\vfill\\noindent\\rule{\\textwidth}{0.3pt}\\\\%\n")
1268           (cal-tex-newpage)
1269           (setq date (cal-tex-incr-date date)))
1270        (insert "%\n")
1271        (calendar-for-loop j from 1 to 2 do
1272           (insert "\\lefthead")
1273           (cal-tex-arg (calendar-date-string date))
1274           (insert "\\weekend")
1275           (cal-tex-arg (cal-tex-latexify-list diary-list date))
1276           (cal-tex-arg (cal-tex-latexify-list holidays date))
1277           (cal-tex-arg (eval cal-tex-daily-string))
1278           (insert "%\n")
1279           (insert "\\vfill")
1280           (setq date (cal-tex-incr-date date)))
1281        (insert "\\noindent\\rule{\\textwidth}{0.3pt}\\\\%\n")
1282        (if (/= i n)
1283            (progn
1284              (run-hooks 'cal-tex-week-hook)
1285              (cal-tex-newpage))))
1286     (cal-tex-end-document)
1287     (run-hooks 'cal-tex-hook)))
1288
1289
1290 ;;;
1291 ;;;  Daily calendars
1292 ;;;
1293
1294 (defun cal-tex-cursor-day (&optional arg)
1295   "Make a buffer with LaTeX commands for the day cursor is on.
1296 Optional prefix argument specifies number of days."
1297   (interactive "P")
1298   (let ((n (if arg arg 1))
1299         (date (calendar-absolute-from-gregorian (calendar-cursor-to-date t))))
1300     (cal-tex-preamble "12pt")
1301     (cal-tex-cmd "\\textwidth       6.5in")
1302     (cal-tex-cmd "\\textheight 10.5in")
1303     (cal-tex-b-document)
1304     (cal-tex-cmd "\\pagestyle{empty}")
1305     (calendar-for-loop i from 1 to n do
1306        (cal-tex-vspace "-1.7in")
1307        (cal-tex-daily-page (calendar-gregorian-from-absolute date))
1308        (setq date (1+ date))
1309        (if (/= i n)
1310           (progn
1311             (cal-tex-newpage)
1312             (run-hooks 'cal-tex-daily-hook))))
1313     (cal-tex-end-document)
1314     (run-hooks 'cal-tex-hook)))
1315
1316 (defun cal-tex-daily-page (date)
1317   "Make a calendar page for Gregorian DATE on 8.5 by 11 paper."
1318   (let* ((hour)
1319          (month-name (calendar-month-name (extract-calendar-month date))))
1320     (cal-tex-banner "cal-tex-daily-page")
1321     (cal-tex-b-makebox "4cm" "l")
1322     (cal-tex-b-parbox "b" "3.8cm")
1323     (cal-tex-rule "0mm" "0mm" "2cm")
1324     (cal-tex-Huge (number-to-string (extract-calendar-day date)))
1325     (cal-tex-nl ".5cm")
1326     (cal-tex-bf month-name )
1327     (cal-tex-e-parbox)
1328     (cal-tex-hspace "1cm")
1329     (cal-tex-scriptsize (eval cal-tex-daily-string))
1330     (cal-tex-hspace "3.5cm")
1331     (cal-tex-e-makebox)
1332     (cal-tex-hfill)
1333     (cal-tex-b-makebox "4cm" "r")
1334     (cal-tex-bf (calendar-day-name date))
1335     (cal-tex-e-makebox)
1336     (cal-tex-nl)
1337     (cal-tex-hspace ".4cm")
1338     (cal-tex-rule "0mm" "16.1cm" "1mm")
1339     (cal-tex-nl ".1cm")
1340     (calendar-for-loop i from cal-tex-daily-start to cal-tex-daily-end do
1341        (cal-tex-cmd "\\noindent")
1342        (setq hour (if cal-tex-24
1343                       i
1344                     (mod i 12)))
1345        (if (= 0 hour) (setq hour 12))
1346        (cal-tex-b-makebox "1cm" "c")
1347        (cal-tex-arg (number-to-string hour))
1348        (cal-tex-e-makebox)
1349        (cal-tex-rule "0mm" "15.5cm" ".2mm")
1350        (cal-tex-nl ".2cm")
1351        (cal-tex-b-makebox "1cm" "c")
1352        (cal-tex-arg "$\\diamond$" )
1353        (cal-tex-e-makebox)
1354        (cal-tex-rule "0mm" "15.5cm" ".2mm")
1355        (cal-tex-nl ".2cm"))
1356     (cal-tex-hfill)
1357     (insert (cal-tex-mini-calendar
1358              (extract-calendar-month (cal-tex-previous-month date))
1359              (extract-calendar-year (cal-tex-previous-month date))
1360              "lastmonth" "1.1in" "1in"))
1361     (insert (cal-tex-mini-calendar
1362              (extract-calendar-month date)
1363              (extract-calendar-year date)
1364              "thismonth" "1.1in" "1in"))
1365     (insert (cal-tex-mini-calendar
1366              (extract-calendar-month (cal-tex-next-month date))
1367              (extract-calendar-year (cal-tex-next-month date))
1368              "nextmonth" "1.1in" "1in"))
1369     (insert "\\hbox to \\textwidth{")
1370     (cal-tex-hfill)
1371     (insert "\\lastmonth")
1372     (cal-tex-hfill)
1373     (insert "\\thismonth")
1374     (cal-tex-hfill)
1375     (insert "\\nextmonth")
1376     (cal-tex-hfill)
1377     (insert "}")
1378     (cal-tex-banner "end of cal-tex-daily-page")))
1379
1380 ;;;
1381 ;;;  Mini calendars
1382 ;;;
1383
1384 (defun cal-tex-mini-calendar (month year name width height &optional ptsize colsep)
1385   "Produce mini-calendar for MONTH, YEAR in macro NAME with WIDTH and HEIGHT.
1386 Optional PTSIZE gives the point ptsize; scriptsize is the default.  Optional
1387 COLSEP gives the column separation; 1mm is the default."
1388   (let* ((blank-days;; at start of month
1389           (mod
1390            (- (calendar-day-of-week (list month 1 year))
1391               calendar-week-start-day)
1392            7))
1393           (last (calendar-last-day-of-month month year))
1394          (colsep (if colsep colsep "1mm"))
1395          (str (concat "\\def\\" name "{\\hbox to" width "{%\n"
1396                       "\\vbox to" height "{%\n"
1397                       "\\vfil  \\hbox to" width "{%\n"
1398                       "\\hfil\\"
1399                       (if ptsize ptsize "scriptsize")
1400                       "\\begin{tabular}"
1401                       "{@{\\hspace{0mm}}r@{\\hspace{" colsep
1402                       "}}r@{\\hspace{" colsep "}}r@{\\hspace{" colsep
1403                       "}}r@{\\hspace{" colsep "}}r@{\\hspace{" colsep
1404                       "}}r@{\\hspace{" colsep "}}r@{\\hspace{0mm}}}%\n"
1405                       "\\multicolumn{7}{c}{"
1406                       (calendar-month-name month)
1407                       " "
1408                       (int-to-string year)
1409                       "}\\\\[1mm]\n")))
1410     (calendar-for-loop i from 0 to 6 do
1411       (setq str (concat str
1412                         (substring (aref calendar-day-name-array
1413                                          (mod (+ calendar-week-start-day i) 7))
1414                                    0 2)
1415                         (if (/= i 6)
1416                             " & "
1417                           "\\\\[0.7mm]\n"))))
1418     (calendar-for-loop i from 1 to blank-days do
1419       (setq str (concat str " & ")))
1420     (calendar-for-loop i from 1 to last do
1421       (setq str (concat str (int-to-string i)))
1422       (setq str (concat str (if (zerop (mod (+ i blank-days) 7))
1423                                 (if (/= i last) "\\\\[0.5mm]\n" "")
1424                               " & "))))
1425     (setq str (concat str "\n\\end{tabular}\\hfil}\\vfil}}}%\n"))
1426    str))
1427
1428 ;;;
1429 ;;;  Various calendar functions
1430 ;;;
1431
1432 (defun cal-tex-incr-date (date &optional n)
1433   "The date of the day following DATE.
1434 If optional N is given, the date of N days after DATE."
1435   (calendar-gregorian-from-absolute
1436    (+ (if n n 1) (calendar-absolute-from-gregorian date))))
1437
1438 (defun cal-tex-latexify-list (date-list date &optional separator)
1439   "Return string with concatenated, LaTeXified entries in DATE_LIST for DATE.
1440 Use double backslash as a separator unless optional SEPARATOR is given."
1441   (mapconcat '(lambda (x) (cal-tex-LaTeXify-string  x))
1442              (let ((result)
1443                    (p date-list))
1444                (while p
1445                  (and (car (car p))
1446                       (calendar-date-equal date (car (car p)))
1447                       (setq result (append result (cdr (car p)))))
1448                  (setq p (cdr p)))
1449                result)
1450              (if separator separator "\\\\")))
1451
1452 (defun cal-tex-previous-month (date)
1453   "Return the date of the first day in the month previous to DATE."
1454   (let* ((month (extract-calendar-month date))
1455          (year (extract-calendar-year date)))
1456     (increment-calendar-month month year -1)
1457     (list month 1 year)))
1458
1459 (defun cal-tex-next-month (date)
1460   "Return the date of the first day in the  month following DATE."
1461   (let* ((month (extract-calendar-month date))
1462          (year (extract-calendar-year date)))
1463     (increment-calendar-month month year 1)
1464     (list month 1 year)))
1465
1466 ;;;
1467 ;;;  LaTeX Code
1468 ;;;
1469
1470 (defun cal-tex-end-document ()
1471   "Finish the LaTeX document.
1472 Insert the trailer to LaTeX document, pop to LaTeX buffer, add
1473 informative header, and run HOOK."
1474   (cal-tex-e-document)
1475   (latex-mode)
1476   (pop-to-buffer cal-tex-buffer)
1477   (goto-char (point-min))
1478   (cal-tex-comment "       This buffer was produced by cal-tex.el.")
1479   (cal-tex-comment "       To print a calendar, type")
1480   (cal-tex-comment "          M-x tex-buffer RET")
1481   (cal-tex-comment "          M-x tex-print  RET")
1482   (goto-char (point-min)))
1483
1484 (defun cal-tex-insert-preamble (weeks landscape size &optional append)
1485   "Initialize the output buffer.
1486 Select the output buffer, and insert the preamble for a calendar of
1487 WEEKS weeks.  Insert code for landscape mode if LANDSCAPE is true.
1488 Use pointsize SIZE.  Optional argument APPEND, if t, means add to end of
1489 without erasing current contents."
1490   (let ((width "18cm")
1491         (height "24cm"))
1492     (if landscape
1493         (progn
1494           (setq width "24cm")
1495           (setq height "18cm")))
1496     (if (not append)
1497         (progn
1498           (cal-tex-preamble size)
1499           (if (not landscape)
1500             (progn
1501               (cal-tex-cmd "\\oddsidemargin -1.75cm")
1502               (cal-tex-cmd "\\def\\holidaymult{.06}"))
1503             (cal-tex-cmd "\\special{landscape}")
1504             (cal-tex-cmd "\\textwidth  9.5in")
1505             (cal-tex-cmd "\\textheight 7in")
1506             (cal-tex-comment)
1507             (cal-tex-cmd "\\def\\holidaymult{.08}"))
1508           (cal-tex-cmd  cal-tex-caldate)
1509           (cal-tex-cmd  cal-tex-myday)
1510           (cal-tex-b-document)
1511           (cal-tex-cmd "\\pagestyle{empty}")))
1512     (cal-tex-cmd "\\setlength{\\cellwidth}" width)
1513     (insert (format "\\setlength{\\cellwidth}{%f\\cellwidth}\n"
1514                     (/ 1.1 (length cal-tex-which-days))))
1515     (cal-tex-cmd "\\setlength{\\cellheight}" height)
1516     (insert (format "\\setlength{\\cellheight}{%f\\cellheight}\n"
1517                     (/ 1.0 weeks)))
1518     (cal-tex-cmd "\\ \\par")
1519     (cal-tex-vspace "-3cm")))
1520
1521 (defvar cal-tex-LaTeX-subst-list
1522   '(("\"". "``")
1523     ("\"". "''");; Quote changes meaning when list is reversed.
1524     ("@" . "\\verb|@|")
1525     ("&" . "\\&")
1526     ("%" . "\\%")
1527     ("$" . "\\$")
1528     ("#" . "\\#")
1529     ("_" . "\\_")
1530     ("{" . "\\{")
1531     ("}" . "\\}")
1532     ("<" . "$<$")
1533     (">" . "$>$")
1534     ("\n" . "\\ \\\\"))  ;\\ needed for e.g \begin{center}\n AA\end{center}
1535   "List of symbols and their replacements.")
1536
1537 (defun cal-tex-LaTeXify-string (string)
1538   "Protect special characters in STRING from LaTeX."
1539   (if (not string)
1540       ""
1541     (let ((head "")
1542           (tail string)
1543           (list cal-tex-LaTeX-subst-list))
1544       (while (not (string-equal tail ""))
1545         (let* ((ch (substring tail 0 1))
1546                (pair (assoc ch list)))
1547           (if (and pair (string-equal ch "\""))
1548               (setq list (reverse list)));; Quote changes meaning each time.
1549           (setq tail (substring tail 1))
1550           (setq head (concat head (if pair (cdr pair) ch)))))
1551       head)))
1552
1553 (defun cal-tex-hfill () "Insert hfill." (insert "\\hfill"))
1554
1555 (defun cal-tex-newpage () "Insert newpage." (insert "\\newpage%\n"))
1556
1557 (defun cal-tex-noindent () "Insert noindent." (insert "\\noindent"))
1558
1559 (defun cal-tex-vspace (space)
1560   "Insert vspace command to move SPACE vertically."
1561   (insert "\\vspace*{" space "}")
1562   (cal-tex-comment))
1563
1564 (defun cal-tex-hspace (space)
1565   "Insert hspace command to move SPACE horizontally."
1566   (insert "\\hspace*{" space "}")
1567   (cal-tex-comment))
1568
1569 (defun cal-tex-comment (&optional comment)
1570   "Insert % at end of line, include COMMENT if present, and move
1571    to next line."
1572   (insert "% ")
1573   (if comment
1574       (insert comment))
1575   (insert "\n"))
1576
1577 (defun cal-tex-banner (comment)
1578   "Insert the COMMENT separated by blank lines."
1579   (cal-tex-comment)
1580   (cal-tex-comment)
1581   (cal-tex-comment (concat "\t\t\t" comment))
1582   (cal-tex-comment))
1583
1584
1585 (defun cal-tex-nl (&optional skip comment)
1586   "End a line with \\.  If SKIP, then add that much spacing.
1587    Add COMMENT if present"
1588   (insert "\\\\")
1589   (if skip
1590       (insert "[" skip "]"))
1591   (cal-tex-comment comment))
1592
1593 (defun cal-tex-arg (&optional text)
1594   "Insert optional TEXT surrounded by braces."
1595   (insert "{")
1596   (if text (insert text))
1597   (insert "}"))
1598
1599 (defun cal-tex-cmd (cmd &optional arg)
1600   "Insert LaTeX CMD, with optional ARG, and end with %"
1601   (insert cmd)
1602   (cal-tex-arg arg)
1603   (cal-tex-comment))
1604
1605 ;;;
1606 ;;;   Environments
1607 ;;;
1608
1609 (defun cal-tex-b-document ()
1610   "Insert beginning of document."
1611   (cal-tex-cmd "\\begin{document}"))
1612
1613 (defun cal-tex-e-document ()
1614   "Insert end of document."
1615   (cal-tex-cmd "\\end{document}"))
1616
1617 (defun cal-tex-b-center ()
1618   "Insert beginning of centered block."
1619   (cal-tex-cmd "\\begin{center}"))
1620
1621 (defun cal-tex-e-center ()
1622   "Insert end of centered block."
1623   (cal-tex-comment)
1624   (cal-tex-cmd "\\end{center}"))
1625
1626
1627 ;;;
1628 ;;;  Boxes
1629 ;;;
1630
1631
1632 (defun cal-tex-b-parbox (position width)
1633   "Insert parbox with parameters POSITION and WIDTH."
1634   (insert "\\parbox[" position "]{" width "}{")
1635   (cal-tex-comment))
1636
1637 (defun cal-tex-e-parbox (&optional height)
1638   "Insert end of parbox. Force it to be a given HEIGHT."
1639   (cal-tex-comment)
1640   (if height
1641       (cal-tex-rule "0mm" "0mm" height))
1642   (insert "}")
1643   (cal-tex-comment "end parbox"))
1644
1645 (defun cal-tex-b-framebox ( width position )
1646   "Insert  framebox with parameters WIDTH and POSITION (clr)."
1647   (insert "\\framebox[" width "][" position "]{" )
1648   (cal-tex-comment))
1649
1650 (defun cal-tex-e-framebox ()
1651   "Insert end of framebox."
1652   (cal-tex-comment)
1653   (insert "}")
1654   (cal-tex-comment "end framebox"))
1655
1656
1657 (defun cal-tex-b-makebox ( width position )
1658   "Insert  makebox with parameters WIDTH and POSITION (clr)."
1659   (insert "\\makebox[" width "][" position "]{" )
1660   (cal-tex-comment))
1661
1662 (defun cal-tex-e-makebox ()
1663   "Insert end of makebox."
1664   (cal-tex-comment)
1665   (insert "}")
1666   (cal-tex-comment "end makebox"))
1667
1668
1669 (defun cal-tex-rule (lower width height)
1670   "Insert a rule with parameters LOWER WIDTH HEIGHT."
1671   (insert "\\rule[" lower "]{" width "}{" height "}"))
1672
1673 ;;;
1674 ;;;     Fonts
1675 ;;;
1676
1677 (defun cal-tex-em (string)
1678   "Insert STRING in bf font."
1679   (insert "{\\em " string "}"))
1680
1681 (defun cal-tex-bf (string)
1682   "Insert STRING in bf font."
1683   (insert "{\\bf " string "}"))
1684
1685 (defun cal-tex-scriptsize (string)
1686   "Insert STRING in scriptsize font."
1687   (insert "{\\scriptsize " string "}"))
1688
1689 (defun cal-tex-huge (string)
1690   "Insert STRING in huge size."
1691   (insert "{\\huge " string "}"))
1692
1693 (defun cal-tex-Huge (string)
1694   "Insert STRING in Huge size."
1695   (insert "{\\Huge " string "}"))
1696
1697 (defun cal-tex-Huge-bf (string)
1698   "Insert STRING in Huge bf size."
1699   (insert "{\\Huge\\bf " string "}"))
1700
1701 (defun cal-tex-large (string)
1702   "Insert STRING in large size."
1703   (insert "{\\large " string "}"))
1704
1705 (defun cal-tex-large-bf (string)
1706   "Insert STRING in large bf size."
1707   (insert "{\\large\\bf  " string "}"))
1708
1709 (provide 'cal-tex)
1710
1711 ;;; cal-tex.el ends here