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|
;;; pc-win.el --- setup support for `PC windows' (whatever that is)
;; Copyright (C) 1994, 1996, 1997, 1999, 2001, 2002, 2003, 2004,
;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
;; Author: Morten Welinder <terra@diku.dk>
;; Maintainer: FSF
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Code:
(load "term/internal" nil t)
(declare-function msdos-remember-default-colors "msdos.c")
(declare-function w16-set-clipboard-data "w16select.c")
(declare-function w16-get-clipboard-data "w16select.c")
;;; This is copied from etc/rgb.txt, except that some values were changed
;;; a bit to make them consistent with DOS console colors, and the RGB
;;; values were scaled up to 16 bits, as `tty-define-color' requires.
;;;
;;; The mapping between the 16 standard EGA/VGA colors and X color names
;;; was done by running a Unix version of Emacs inside an X client and a
;;; DJGPP-compiled Emacs on the same PC. The names of X colors used to
;;; define the pixel values are shown as comments to each color below.
;;;
;;; If you want to change the RGB values, keep in mind that various pieces
;;; of Emacs think that a color whose RGB values add up to less than 0.6 of
;;; the values for WHITE (i.e. less than 117963) are ``dark'', otherwise the
;;; color is ``light''; see `frame-set-background-mode' in lisp/faces.el for
;;; an example.
(defvar msdos-color-values
'(("black" 0 0 0 0)
("blue" 1 0 0 52480) ; MediumBlue
("green" 2 8704 35584 8704) ; ForestGreen
("cyan" 3 0 52736 53504) ; DarkTurquoise
("red" 4 45568 8704 8704) ; FireBrick
("magenta" 5 35584 0 35584) ; DarkMagenta
("brown" 6 40960 20992 11520) ; Sienna
("lightgray" 7 48640 48640 48640) ; Gray
("darkgray" 8 26112 26112 26112) ; Gray40
("lightblue" 9 0 0 65535) ; Blue
("lightgreen" 10 0 65535 0) ; Green
("lightcyan" 11 0 65535 65535) ; Cyan
("lightred" 12 65535 0 0) ; Red
("lightmagenta" 13 65535 0 65535) ; Magenta
("yellow" 14 65535 65535 0) ; Yellow
("white" 15 65535 65535 65535))
"A list of MS-DOS console colors, their indices and 16-bit RGB values.")
;; ---------------------------------------------------------------------------
;; We want to delay setting frame parameters until the faces are setup
(defvar default-frame-alist nil)
(modify-frame-parameters terminal-frame default-frame-alist)
(tty-color-clear)
(defun msdos-face-setup ()
(set-face-foreground 'bold "yellow" terminal-frame)
(set-face-foreground 'italic "red" terminal-frame)
(set-face-foreground 'bold-italic "lightred" terminal-frame)
(set-face-foreground 'underline "white" terminal-frame)
(make-face 'msdos-menu-active-face)
(make-face 'msdos-menu-passive-face)
(make-face 'msdos-menu-select-face)
(set-face-foreground 'msdos-menu-active-face "white" terminal-frame)
(set-face-foreground 'msdos-menu-passive-face "lightgray" terminal-frame)
(set-face-background 'msdos-menu-active-face "blue" terminal-frame)
(set-face-background 'msdos-menu-passive-face "blue" terminal-frame)
(set-face-background 'msdos-menu-select-face "red" terminal-frame))
(add-hook 'before-init-hook 'msdos-face-setup)
(defun msdos-handle-reverse-video (frame parameters)
"Handle the reverse-video frame parameter on MS-DOS frames."
(when (cdr (or (assq 'reverse parameters)
(assq 'reverse default-frame-alist)))
(let* ((params (frame-parameters frame))
(fg (cdr (assq 'foreground-color params)))
(bg (cdr (assq 'background-color params))))
(if (equal fg (cdr (assq 'mouse-color params)))
(modify-frame-parameters frame
(list (cons 'mouse-color bg))))
(if (equal fg (cdr (assq 'cursor-color params)))
(modify-frame-parameters frame
(list (cons 'cursor-color bg)))))))
;; This must run after all the default colors are inserted into
;; tty-color-alist, since msdos-handle-reverse-video needs to know the
;; actual frame colors. tty-color-alist is set up by startup.el, but
;; only after it runs before-init-hook and after-init-hook.
(defun msdos-setup-initial-frame ()
(modify-frame-parameters terminal-frame default-frame-alist)
;; This remembers the screen colors after applying default-frame-alist,
;; so that all subsequent frames could begin with those colors.
(msdos-remember-default-colors terminal-frame)
(modify-frame-parameters terminal-frame initial-frame-alist)
(msdos-handle-reverse-video terminal-frame
(frame-parameters terminal-frame))
(frame-set-background-mode terminal-frame)
(face-set-after-frame-default terminal-frame))
(add-hook 'term-setup-hook 'msdos-setup-initial-frame)
;; We create frames as if we were a terminal, but with a twist.
(defun make-msdos-frame (&optional parameters)
(let ((frame (make-terminal-frame parameters))
success)
(unwind-protect
(progn
(msdos-handle-reverse-video frame (frame-parameters frame))
(frame-set-background-mode frame)
(face-set-after-frame-default frame)
(setq success t))
(unless success (delete-frame frame)))
frame))
(add-to-list 'frame-creation-function-alist '(pc . make-msdos-frame))
;; ---------------------------------------------------------------------------
;; More or less useful imitations of certain X-functions. A lot of the
;; values returned are questionable, but usually only the form of the
;; returned value matters. Also, by the way, recall that `ignore' is
;; a useful function for returning 'nil regardless of argument.
;; From src/xfns.c
(defun x-list-fonts (pattern &optional face frame maximum width)
(if (or (null width) (and (numberp width) (= width 1)))
(list "ms-dos")
(list "no-such-font")))
(defun x-display-pixel-width (&optional frame) (frame-width frame))
(defun x-display-pixel-height (&optional frame) (frame-height frame))
(defun x-display-planes (&optional frame) 4) ;bg switched to 16 colors as well
(defun x-display-color-cells (&optional frame) 16)
(defun x-server-max-request-size (&optional frame) 1000000) ; ???
(defun x-server-vendor (&optional frame) t "GNU")
(defun x-server-version (&optional frame) '(1 0 0))
(defun x-display-screens (&optional frame) 1)
(defun x-display-mm-height (&optional frame) 245) ; Guess the size of my
(defun x-display-mm-width (&optional frame) 322) ; monitor, EZ...
(defun x-display-backing-store (&optional frame) 'not-useful)
(defun x-display-visual-class (&optional frame) 'static-color)
(fset 'x-display-save-under 'ignore)
(fset 'x-get-resource 'ignore)
;; From lisp/term/x-win.el
(defvar x-display-name "pc"
"The display name specifying the MS-DOS display and frame type.")
(setq split-window-keep-point t)
(defvar x-colors (mapcar 'car msdos-color-values)
"The list of colors available on a PC display under MS-DOS.")
;; From lisp/term/w32-win.el
;
;;;; Selections and cut buffers
;
;;; We keep track of the last text selected here, so we can check the
;;; current selection against it, and avoid passing back our own text
;;; from x-cut-buffer-or-selection-value.
(defvar x-last-selected-text nil)
(defcustom x-select-enable-clipboard t
"Non-nil means cutting and pasting uses the clipboard.
This is the default on this system, since MS-Windows does not
support other types of selections."
:type 'boolean
:group 'killing)
(defun x-select-text (text &optional push)
(if x-select-enable-clipboard
(w16-set-clipboard-data text))
(setq x-last-selected-text text))
;;; Return the value of the current selection.
;;; Consult the selection, then the cut buffer. Treat empty strings
;;; as if they were unset.
(defun x-get-selection-value ()
(if x-select-enable-clipboard
(let (text)
;; Don't die if x-get-selection signals an error.
(condition-case c
(setq text (w16-get-clipboard-data))
(error (message "w16-get-clipboard-data:%s" c)))
(if (string= text "") (setq text nil))
(cond
((not text) nil)
((eq text x-last-selected-text) nil)
((string= text x-last-selected-text)
;; Record the newer string, so subsequent calls can use the 'eq' test.
(setq x-last-selected-text text)
nil)
(t
(setq x-last-selected-text text))))))
;;; Arrange for the kill and yank functions to set and check the clipboard.
(setq interprogram-cut-function 'x-select-text)
(setq interprogram-paste-function 'x-get-selection-value)
;; From lisp/faces.el: we only have one font, so always return
;; it, no matter which variety they've asked for.
(defun x-frob-font-slant (font which)
font)
(make-obsolete 'x-frob-font-slant 'make-face-... "21.1")
(defun x-frob-font-weight (font which)
font)
(make-obsolete 'x-frob-font-weight 'make-face-... "21.1")
(defun x-font-family-list ()
"Return a list of available font families on FRAME.\n\
If FRAME is omitted or nil, use the selected frame.\n\
Value is a list of conses (FAMILY . FIXED-P) where FAMILY\n\
is a font family, and FIXED-P is non-nil if fonts of that family\n\
are fixed-pitch."
'(("default" . t)))
;; From src/fontset.c:
(fset 'query-fontset 'ignore)
;; From lisp/term/x-win.el: make iconify-or-deiconify-frame a no-op.
(fset 'iconify-or-deiconify-frame 'ignore)
;; From lisp/frame.el
(fset 'set-default-font 'ignore)
(fset 'set-mouse-color 'ignore) ; We cannot, I think.
(fset 'set-cursor-color 'ignore) ; Hardware determined by char under.
(fset 'set-border-color 'ignore) ; Not useful.
;; ---------------------------------------------------------------------------
;;; arch-tag: 5cbdb455-b495-427b-95d0-e417d77d00b4
;;; pc-win.el ends here
|
