* lisp/lpr.el: Signal print errors more prominently.
(print-region-function): Don't default to nil. (lpr-print-region): New function, extracted from print-region-1. Check lpr's return value and signal an error in case of problem. (print-region-1): Use it. * lisp/ps-print.el (ps-windows-system, ps-lp-system): Remove. Use the lpr-* versions instead. (ps-printer-name): Default to nil. (ps-printer-name-option): Default to lpr-printer-switch. (ps-print-region-function): Don't default to nil. (ps-postscript-code-directory): Simplify default. (ps-do-despool): Use lpr-print-region to properly check the outcome. (ps-string-list, ps-eval-switch, ps-flatten-list) (ps-flatten-list-1): Remove. (ps-multibyte-buffer): Avoid setq. * lisp/dos-w32.el (direct-print-region-helper): Use proper regexp operators. (print-region-function, ps-print-region-function): Don't set them here.
This commit is contained in:
Stefan Monnier
parent
73600831f3
commit
2cdeb903c5
5 changed files with 123 additions and 173 deletions
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@ -1,3 +1,23 @@
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2013-07-24 Stefan Monnier <monnier@iro.umontreal.ca>
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* lpr.el: Signal print errors more prominently.
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(print-region-function): Don't default to nil.
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(lpr-print-region): New function, extracted from print-region-1.
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Check lpr's return value and signal an error in case of problem.
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(print-region-1): Use it.
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* ps-print.el (ps-windows-system, ps-lp-system): Remove. Use the lpr-*
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versions instead.
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(ps-printer-name): Default to nil.
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(ps-printer-name-option): Default to lpr-printer-switch.
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(ps-print-region-function): Don't default to nil.
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(ps-postscript-code-directory): Simplify default.
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(ps-do-despool): Use lpr-print-region to properly check the outcome.
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(ps-string-list, ps-eval-switch, ps-flatten-list)
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(ps-flatten-list-1): Remove.
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(ps-multibyte-buffer): Avoid setq.
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* dos-w32.el (direct-print-region-helper): Use proper regexp operators.
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(print-region-function, ps-print-region-function): Don't set them here.
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2013-07-24 Xue Fuqiao <xfq.free@gmail.com>
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* ansi-color.el: Fix old URL.
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@ -257,10 +257,10 @@ filesystem mounted on drive Z:, FILESYSTEM could be \"Z:\"."
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;; Function to actually send data to the printer port.
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;; Supports writing directly, and using various programs.
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(defun direct-print-region-helper (printer
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start end
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lpr-prog
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_delete-text _buf _display
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rest)
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start end
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lpr-prog
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_delete-text _buf _display
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rest)
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(let* (;; Ignore case when matching known external program names.
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(case-fold-search t)
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;; Convert / to \ in printer name, for sake of external programs.
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@ -295,12 +295,14 @@ filesystem mounted on drive Z:, FILESYSTEM could be \"Z:\"."
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(unwind-protect
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(cond
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;; nprint.exe is the standard print command on Netware
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((string-match-p "^nprint\\(\\.exe\\)?$" (file-name-nondirectory lpr-prog))
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((string-match-p "\\`nprint\\(\\.exe\\)?\\'"
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(file-name-nondirectory lpr-prog))
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(write-region start end tempfile nil 0)
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(call-process lpr-prog nil errbuf nil
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tempfile (concat "P=" printer)))
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;; print.exe is a standard command on NT
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((string-match-p "^print\\(\\.exe\\)?$" (file-name-nondirectory lpr-prog))
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((string-match-p "\\`print\\(\\.exe\\)?\\'"
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(file-name-nondirectory lpr-prog))
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;; Be careful not to invoke print.exe on MS-DOS or Windows 9x
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;; though, because it is a TSR program there (hangs Emacs).
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(or (and (eq system-type 'windows-nt)
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@ -369,7 +371,7 @@ indicates a specific program should be invoked."
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(write-region-annotate-functions
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(cons
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(lambda (_start end)
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(if (not (char-equal (char-before end) ?\C-l))
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(if (not (char-equal (char-before end) ?\f))
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`((,end . "\f"))))
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write-region-annotate-functions))
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(printer (or (and (boundp 'dos-printer)
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@ -383,9 +385,7 @@ indicates a specific program should be invoked."
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(direct-print-region-helper printer start end lpr-prog
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delete-text buf display rest)))
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(defvar print-region-function)
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(defvar lpr-headers-switches)
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(setq print-region-function 'direct-print-region-function)
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;; Set this to nil if you have a port of the `pr' program
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;; (e.g., from GNU Textutils), or if you have an `lpr'
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@ -416,9 +416,6 @@ indicates a specific program should be invoked."
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(direct-print-region-helper printer start end lpr-prog
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delete-text buf display rest)))
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(defvar ps-print-region-function)
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(setq ps-print-region-function 'direct-ps-print-region-function)
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;(setq ps-lpr-command "gs")
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;(setq ps-lpr-switches '("-q" "-dNOPAUSE" "-sDEVICE=epson" "-r240x60"
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116
lisp/lpr.el
116
lisp/lpr.el
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@ -130,10 +130,13 @@ and print the result."
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(repeat :tag "Multiple arguments" (string :tag "Argument")))
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:group 'lpr)
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(defcustom print-region-function nil
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(defcustom print-region-function
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(if (memq system-type '(ms-dos windows-nt))
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#'direct-print-region-function
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#'call-process-region)
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"Function to call to print the region on a printer.
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See definition of `print-region-1' for calling conventions."
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:type '(choice (const nil) function)
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:type 'function
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:group 'lpr)
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(defcustom lpr-page-header-program "pr"
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@ -212,35 +215,24 @@ for further customization of the printer command."
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(print-region-1 start end lpr-switches t))
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(defun print-region-1 (start end switches page-headers)
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(and page-headers lpr-headers-switches
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;; It's possible to use an lpr option to get page headers.
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(setq switches (append (if (stringp lpr-headers-switches)
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(list lpr-headers-switches)
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lpr-headers-switches)
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switches)))
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;; On some MIPS system, having a space in the job name
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;; crashes the printer demon. But using dashes looks ugly
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;; and it seems to annoying to do for that MIPS system.
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(let ((name (concat (buffer-name) " Emacs buffer"))
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(title (concat (buffer-name) " Emacs buffer"))
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;; Make pipes use the same coding system as
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;; writing the buffer to a file would.
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(coding-system-for-write (or coding-system-for-write
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buffer-file-coding-system))
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(coding-system-for-read (or coding-system-for-read
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buffer-file-coding-system))
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(width tab-width)
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nswitches
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switch-string)
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(save-excursion
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(and page-headers lpr-headers-switches
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;; It's possible to use an lpr option to get page headers.
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(setq switches (append (if (stringp lpr-headers-switches)
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(list lpr-headers-switches)
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lpr-headers-switches)
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switches)))
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(setq nswitches (lpr-flatten-list
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(mapcar 'lpr-eval-switch ; Dynamic evaluation
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switches))
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switch-string (if switches
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(concat " with options "
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(mapconcat 'identity switches " "))
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""))
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(message "Spooling%s..." switch-string)
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(save-excursion
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(let ((name (concat (buffer-name) " Emacs buffer"))
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;; Make pipes use the same coding system as
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;; writing the buffer to a file would.
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(coding-system-for-write (or coding-system-for-write
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buffer-file-coding-system))
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(coding-system-for-read (or coding-system-for-read
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buffer-file-coding-system))
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(width tab-width))
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(if (/= tab-width 8)
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(let ((new-coords (print-region-new-buffer start end)))
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(setq start (car new-coords)
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@ -258,34 +250,48 @@ for further customization of the printer command."
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(let ((new-coords (print-region-new-buffer start end)))
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(apply 'call-process-region (car new-coords) (cdr new-coords)
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lpr-page-header-program t t nil
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(mapcar (lambda (e) (format e title))
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(mapcar (lambda (e) (format e name))
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lpr-page-header-switches)))
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(setq start (point-min)
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end (point-max))))
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(let ((buf (current-buffer)))
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(with-temp-buffer
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(let ((tempbuf (current-buffer)))
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(with-current-buffer buf
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(apply (or print-region-function 'call-process-region)
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(nconc (list start end lpr-command
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nil tempbuf nil)
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(and lpr-add-switches
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(list "-J" name))
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;; These belong in pr if we are using that.
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(and lpr-add-switches lpr-headers-switches
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(list "-T" title))
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(and (stringp printer-name)
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(list (concat lpr-printer-switch
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printer-name)))
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nswitches))))
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(if (markerp end)
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(set-marker end nil))
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(message "Spooling%s...done%s%s" switch-string
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(pcase (count-lines (point-min) (point-max))
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(0 "")
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(1 ": ")
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(_ ":\n"))
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(buffer-string)))))))
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(lpr-print-region start end switches name))))
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(defun lpr-print-region (start end switches name)
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(let ((buf (current-buffer))
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(nswitches (lpr-flatten-list
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(mapcar #'lpr-eval-switch ; Dynamic evaluation
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switches)))
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(switch-string (if switches
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(concat " with options "
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(mapconcat #'identity switches " "))
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"")))
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(message "Spooling%s..." switch-string)
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(with-temp-buffer
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(let ((retval
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(let ((tempbuf (current-buffer)))
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(with-current-buffer buf
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(apply (or print-region-function 'call-process-region)
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start end lpr-command
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nil tempbuf nil
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(nconc (and name lpr-add-switches
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(list "-J" name))
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;; These belong in pr if we are using that.
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(and name lpr-add-switches lpr-headers-switches
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(list "-T" name))
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(and (stringp printer-name)
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(string< "" printer-name)
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(list (concat lpr-printer-switch
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printer-name)))
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nswitches))))))
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(if (markerp end)
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(set-marker end nil))
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(funcall (if (memq retval '(nil 0)) #'message #'user-error)
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"Spooling%s...done%s%s" switch-string
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(pcase (count-lines (point-min) (point-max))
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(0 "")
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(1 ": ")
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(_ ":\n"))
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(buffer-string))))))
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;; This function copies the text between start and end
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;; into a new buffer, makes that buffer current.
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@ -325,7 +331,7 @@ The characters tab, linefeed, space, return and formfeed are not affected."
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;; Dynamic evaluation
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(defun lpr-eval-switch (arg)
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(cond ((stringp arg) arg)
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((functionp arg) (apply arg nil))
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((functionp arg) (funcall arg))
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((symbolp arg) (symbol-value arg))
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((consp arg) (apply (car arg) (cdr arg)))
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(t nil)))
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@ -342,7 +348,7 @@ The characters tab, linefeed, space, return and formfeed are not affected."
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(defun lpr-flatten-list-1 (list)
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(cond
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((null list) (list))
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((null list) nil)
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((consp list)
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(append (lpr-flatten-list-1 (car list))
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(lpr-flatten-list-1 (cdr list))))
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@ -1058,6 +1058,7 @@ It checks if all multi-byte characters in the region are printable or not."
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(= (skip-chars-forward "\x00-\x7F" to) to)))
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;; All characters can be printed by normal PostScript fonts.
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(setq ps-basic-plot-string-function 'ps-basic-plot-string
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;; FIXME: Doesn't ps-encode-header-string-function take 2 args?
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ps-encode-header-string-function 'identity)
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(setq ps-basic-plot-string-function 'ps-mule-plot-string
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ps-encode-header-string-function 'ps-mule-encode-header-string
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138
lisp/ps-print.el
138
lisp/ps-print.el
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@ -1472,12 +1472,6 @@ Please send all bug fixes and enhancements to
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(error "`ps-print' only supports Emacs 23 and higher")))
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(defconst ps-windows-system
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(memq system-type '(ms-dos windows-nt)))
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(defconst ps-lp-system
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(memq system-type '(usg-unix-v hpux irix)))
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;; Load XEmacs/Emacs definitions
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(require 'ps-def)
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@ -1676,8 +1670,7 @@ For more information about PostScript document comments, see:
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:version "20"
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:group 'ps-print-miscellany)
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(defcustom ps-printer-name (and (boundp 'printer-name)
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(symbol-value 'printer-name))
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(defcustom ps-printer-name nil
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"The name of a local printer for printing PostScript files.
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On Unix-like systems, a string value should be a name understood by lpr's -P
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@ -1709,12 +1702,8 @@ See also `ps-printer-name-option' for documentation."
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:group 'ps-print-printer)
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(defcustom ps-printer-name-option
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(cond (ps-windows-system
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"/D:")
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(ps-lp-system
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"-d")
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(t
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"-P" ))
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(cond (lpr-windows-system "/D:")
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(t lpr-printer-switch))
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"Option for `ps-printer-name' variable (see it).
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On Unix-like systems, if `lpr' is in use, this should be the string
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@ -1729,8 +1718,6 @@ Set this to \"\" or nil, if the utility given by `ps-lpr-command'
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needs an empty printer name option--that is, pass the printer name
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with no special option preceding it.
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Any value that is not a string is treated as nil.
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This variable is used only when `ps-printer-name' is a non-empty string."
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:type '(choice :menu-tag "Printer Name Option"
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:tag "Printer Name Option"
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@ -1782,11 +1769,14 @@ See `ps-lpr-command'."
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:version "20"
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:group 'ps-print-printer)
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(defcustom ps-print-region-function nil
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(defcustom ps-print-region-function
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(if (memq system-type '(ms-dos windows-nt))
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#'direct-ps-print-region-function
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#'call-process-region)
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"Specify a function to print the region on a PostScript printer.
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See definition of `call-process-region' for calling conventions. The fourth
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and the sixth arguments are both nil."
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:type '(choice (const nil) function)
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:type 'function
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:version "20"
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:group 'ps-print-printer)
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@ -1798,7 +1788,7 @@ If it's nil, automatic feeding takes place."
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:version "20"
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:group 'ps-print-printer)
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(defcustom ps-end-with-control-d (and ps-windows-system t)
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(defcustom ps-end-with-control-d (and lpr-windows-system t)
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"Non-nil means insert C-d at end of PostScript file generated."
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:version "21.1"
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:type 'boolean
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@ -2636,7 +2626,7 @@ NOTE: page numbers are displayed as part of headers,
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:group 'ps-print-headers)
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(defcustom ps-spool-config
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(if ps-windows-system
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(if lpr-windows-system
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nil
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'lpr-switches)
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"Specify who is responsible for setting duplex and page size.
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@ -3389,15 +3379,12 @@ It's like the very first character of buffer (or region) is ^L (\\014)."
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:group 'ps-print-headers)
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(defcustom ps-postscript-code-directory
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(or (if (featurep 'xemacs)
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(cond ((fboundp 'locate-data-directory) ; XEmacs
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(funcall 'locate-data-directory "ps-print"))
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((boundp 'data-directory) ; XEmacs
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(symbol-value 'data-directory))
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(t ; don't know what to do
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nil))
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data-directory) ; Emacs
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(error "`ps-postscript-code-directory' isn't set properly"))
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(cond ((fboundp 'locate-data-directory) ; XEmacs
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(locate-data-directory "ps-print"))
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((boundp 'data-directory) ; XEmacs and Emacs.
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data-directory)
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(t ; don't know what to do
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(error "`ps-postscript-code-directory' isn't set properly")))
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"Directory where it's located the PostScript prologue file used by ps-print.
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By default, this directory is the same as in the variable `data-directory'."
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:type 'directory
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@ -3646,8 +3633,7 @@ The table depends on the current ps-print setup."
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") ps-print version " ps-print-version "\n")
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";; internal vars"
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(ps-comment-string "emacs-version " emacs-version)
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(ps-comment-string "ps-windows-system " ps-windows-system)
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(ps-comment-string "ps-lp-system " ps-lp-system)
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(ps-comment-string "lpr-windows-system" lpr-windows-system)
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nil
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'(25 . ps-print-color-p)
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'(25 . ps-lpr-command)
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@ -5426,8 +5412,8 @@ XSTART YSTART are the relative position for the first page in a sheet.")
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"%%Title: " (buffer-name) ; Take job name from name of
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; first buffer printed
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"\n%%Creator: ps-print v" ps-print-version
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"\n%%For: " (user-full-name)
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"\n%%CreationDate: " (format-time-string "%T %b %d %Y")
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"\n%%For: " (user-full-name) ;FIXME: may need encoding!
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"\n%%CreationDate: " (format-time-string "%T %b %d %Y") ;FIXME: encoding!
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"\n%%Orientation: "
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(if ps-landscape-mode "Landscape" "Portrait")
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"\n%%DocumentNeededResources: font Times-Roman Times-Italic\n%%+ font "
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@ -6569,96 +6555,36 @@ If FACE is not a valid face name, use default face."
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(write-region (point-min) (point-max) filename))
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(and ps-razzle-dazzle (message "Wrote %s" filename)))
|
||||
;; Else, spool to the printer
|
||||
(and ps-razzle-dazzle (message "Printing..."))
|
||||
(with-current-buffer ps-spool-buffer
|
||||
(let* ((coding-system-for-write 'raw-text-unix)
|
||||
(ps-printer-name (or ps-printer-name
|
||||
(and (boundp 'printer-name)
|
||||
(symbol-value 'printer-name))))
|
||||
(ps-lpr-switches
|
||||
(append ps-lpr-switches
|
||||
(and (stringp ps-printer-name)
|
||||
(string< "" ps-printer-name)
|
||||
(list (concat
|
||||
(and (stringp ps-printer-name-option)
|
||||
ps-printer-name-option)
|
||||
ps-printer-name))))))
|
||||
(or (stringp ps-printer-name)
|
||||
(setq ps-printer-name nil))
|
||||
(apply (or ps-print-region-function 'call-process-region)
|
||||
(point-min) (point-max) ps-lpr-command nil
|
||||
(and (fboundp 'start-process) 0)
|
||||
nil
|
||||
(ps-flatten-list ; dynamic evaluation
|
||||
(ps-string-list
|
||||
(mapcar 'ps-eval-switch ps-lpr-switches))))))
|
||||
(and ps-razzle-dazzle (message "Printing...done")))
|
||||
(printer-name (or ps-printer-name printer-name))
|
||||
(lpr-printer-switch ps-printer-name-option)
|
||||
(print-region-function ps-print-region-function)
|
||||
(lpr-command ps-lpr-command))
|
||||
(lpr-print-region (point-min) (point-max) ps-lpr-switches nil))))
|
||||
(kill-buffer ps-spool-buffer)))
|
||||
|
||||
(defun ps-string-list (arg)
|
||||
(let (lstr)
|
||||
(dolist (elm arg)
|
||||
(cond ((stringp elm)
|
||||
(setq lstr (cons elm lstr)))
|
||||
((listp elm)
|
||||
(let ((s (ps-string-list elm)))
|
||||
(when s
|
||||
(setq lstr (cons s lstr)))))
|
||||
(t ))) ; ignore any other value
|
||||
(nreverse lstr)))
|
||||
|
||||
;; Dynamic evaluation
|
||||
(defun ps-eval-switch (arg)
|
||||
(cond ((stringp arg) arg)
|
||||
((functionp arg) (apply arg nil))
|
||||
((symbolp arg) (symbol-value arg))
|
||||
((consp arg) (apply (car arg) (cdr arg)))
|
||||
(t nil)))
|
||||
|
||||
;; `ps-flatten-list' is defined here (copied from "message.el" and
|
||||
;; enhanced to handle dotted pairs as well) until we can get some
|
||||
;; sensible autoloads, or `flatten-list' gets put somewhere decent.
|
||||
|
||||
;; (ps-flatten-list '((a . b) c (d . e) (f g h) i . j))
|
||||
;; => (a b c d e f g h i j)
|
||||
|
||||
(defun ps-flatten-list (&rest list)
|
||||
(ps-flatten-list-1 list))
|
||||
|
||||
(defun ps-flatten-list-1 (list)
|
||||
(cond ((null list) nil)
|
||||
((consp list) (append (ps-flatten-list-1 (car list))
|
||||
(ps-flatten-list-1 (cdr list))))
|
||||
(t (list list))))
|
||||
|
||||
(defun ps-kill-emacs-check ()
|
||||
(let (ps-buffer)
|
||||
(and (setq ps-buffer (get-buffer ps-spool-buffer-name))
|
||||
(buffer-name ps-buffer) ; check if it's not killed
|
||||
(let ((ps-buffer (get-buffer ps-spool-buffer-name)))
|
||||
(and (buffer-live-p ps-buffer)
|
||||
(buffer-modified-p ps-buffer)
|
||||
(y-or-n-p "Unprinted PostScript waiting; print now? ")
|
||||
(ps-despool))
|
||||
(and (setq ps-buffer (get-buffer ps-spool-buffer-name))
|
||||
(buffer-name ps-buffer) ; check if it's not killed
|
||||
(ps-despool)))
|
||||
(let ((ps-buffer (get-buffer ps-spool-buffer-name)))
|
||||
(and (buffer-live-p ps-buffer)
|
||||
(buffer-modified-p ps-buffer)
|
||||
(not (yes-or-no-p "Unprinted PostScript waiting; exit anyway? "))
|
||||
(error "Unprinted PostScript"))))
|
||||
|
||||
(cond ((fboundp 'add-hook)
|
||||
(unless noninteractive
|
||||
(funcall 'add-hook 'kill-emacs-hook 'ps-kill-emacs-check)))
|
||||
(kill-emacs-hook
|
||||
(message "Won't override existing `kill-emacs-hook'"))
|
||||
(t
|
||||
(setq kill-emacs-hook 'ps-kill-emacs-check)))
|
||||
(unless noninteractive
|
||||
(add-hook 'kill-emacs-hook #'ps-kill-emacs-check))
|
||||
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; To make this file smaller, some commands go in a separate file.
|
||||
;; But autoload them here to make the separation invisible.
|
||||
|
||||
;;;### (autoloads (ps-mule-end-job ps-mule-begin-job ps-mule-initialize
|
||||
;;;;;; ps-multibyte-buffer) "ps-mule" "ps-mule.el" "b39f881d3a029049994ef6aa3de93c89")
|
||||
;;;### (autoloads nil "ps-mule" "ps-mule.el" "a90e8414a27ac8fdf093251ac648d761")
|
||||
;;; Generated autoloads from ps-mule.el
|
||||
|
||||
(defvar ps-multibyte-buffer nil "\
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue