diff options
Diffstat (limited to 'lisp/term/x-win.el')
| -rw-r--r-- | lisp/term/x-win.el | 315 |
1 files changed, 162 insertions, 153 deletions
diff --git a/lisp/term/x-win.el b/lisp/term/x-win.el index e530a860839..efafbafffb2 100644 --- a/lisp/term/x-win.el +++ b/lisp/term/x-win.el @@ -25,10 +25,16 @@ ;;; Commentary: -;; X-win.el: this file is loaded from ../lisp/startup.el when it recognizes -;; that X windows are to be used. Command line switches are parsed and those -;; pertaining to X are processed and removed from the command line. The -;; X display is opened and hooks are set for popping up the initial window. +;; X-win.el: this file defines functions to initialize the X window +;; system and process X-specific command line parameters before +;; creating the first X frame. + +;; Note that contrary to previous Emacs versions, the act of loading +;; this file should not have the side effect of initializing the +;; window system or processing command line arguments (this file is +;; now loaded in loadup.el). See the variables +;; `handle-args-function-alist' and +;; `window-system-initialization-alist' for more details. ;; startup.el will then examine startup files, and eventually call the hooks ;; which create the first window(s). @@ -67,7 +73,7 @@ ;; An alist of X options and the function which handles them. See ;; ../startup.el. -(if (not (eq window-system 'x)) +(if (not (fboundp 'x-create-frame)) (error "%s: Loading x-win.el but not compiled for X" (invocation-name))) (require 'frame) @@ -78,6 +84,7 @@ (require 'menu-bar) (require 'fontset) (require 'x-dnd) +(require 'server) (defvar x-invocation-args) (defvar x-keysym-table) @@ -1165,27 +1172,26 @@ XConsortium: rgb.txt,v 10.41 94/02/20 18:39:36 rws Exp") ;;;; Function keys -(substitute-key-definition 'suspend-emacs 'iconify-or-deiconify-frame - global-map) - -;; Map certain keypad keys into ASCII characters -;; that people usually expect. -(define-key function-key-map [backspace] [127]) -(define-key function-key-map [delete] [127]) -(define-key function-key-map [tab] [?\t]) -(define-key function-key-map [linefeed] [?\n]) -(define-key function-key-map [clear] [?\C-l]) -(define-key function-key-map [return] [?\C-m]) -(define-key function-key-map [escape] [?\e]) -(define-key function-key-map [M-backspace] [?\M-\d]) -(define-key function-key-map [M-delete] [?\M-\d]) -(define-key function-key-map [M-tab] [?\M-\t]) -(define-key function-key-map [M-linefeed] [?\M-\n]) -(define-key function-key-map [M-clear] [?\M-\C-l]) -(define-key function-key-map [M-return] [?\M-\C-m]) -(define-key function-key-map [M-escape] [?\M-\e]) -(define-key function-key-map [iso-lefttab] [backtab]) -(define-key function-key-map [S-iso-lefttab] [backtab]) +(defun x-setup-function-keys (frame) + "Set up `function-key-map' on FRAME for the X window system." + ;; Map certain keypad keys into ASCII characters that people usually expect. + (let ((m (terminal-local-value 'local-function-key-map frame))) + (define-key m [backspace] [127]) + (define-key m [delete] [127]) + (define-key m [tab] [?\t]) + (define-key m [linefeed] [?\n]) + (define-key m [clear] [?\C-l]) + (define-key m [return] [?\C-m]) + (define-key m [escape] [?\e]) + (define-key m [M-backspace] [?\M-\d]) + (define-key m [M-delete] [?\M-\d]) + (define-key m [M-tab] [?\M-\t]) + (define-key m [M-linefeed] [?\M-\n]) + (define-key m [M-clear] [?\M-\C-l]) + (define-key m [M-return] [?\M-\C-m]) + (define-key m [M-escape] [?\M-\e]) + (define-key m [iso-lefttab] [backtab]) + (define-key m [S-iso-lefttab] [backtab]))) ;; These tell read-char how to convert ;; these special chars to ASCII. @@ -2344,146 +2350,149 @@ order until succeed.") (or clip-text primary-text cut-text) )) - -;;; Do the actual X Windows setup here; the above code just defines -;;; functions and variables that we use now. - -(setq command-line-args (x-handle-args command-line-args)) - -;;; Make sure we have a valid resource name. -(or (stringp x-resource-name) - (let (i) - (setq x-resource-name (invocation-name)) - - ;; Change any . or * characters in x-resource-name to hyphens, - ;; so as not to choke when we use it in X resource queries. - (while (setq i (string-match "[.*]" x-resource-name)) - (aset x-resource-name i ?-)))) - -(x-open-connection (or x-display-name - (setq x-display-name (getenv "DISPLAY"))) - x-command-line-resources - ;; Exit Emacs with fatal error if this fails. - t) - -(setq frame-creation-function 'x-create-frame-with-faces) - -(setq x-cut-buffer-max (min (- (/ (x-server-max-request-size) 2) 100) - x-cut-buffer-max)) - -;; Setup the default fontset. -(setup-default-fontset) - -;; Create the standard fontset. -(create-fontset-from-fontset-spec standard-fontset-spec t) - -;; Create fontset specified in X resources "Fontset-N" (N is 0, 1, ...). -(create-fontset-from-x-resource) - -;; Try to create a fontset from a font specification which comes -;; from initial-frame-alist, default-frame-alist, or X resource. -;; A font specification in command line argument (i.e. -fn XXXX) -;; should be already in default-frame-alist as a `font' -;; parameter. However, any font specifications in site-start -;; library, user's init file (.emacs), and default.el are not -;; yet handled here. - -(let ((font (or (cdr (assq 'font initial-frame-alist)) - (cdr (assq 'font default-frame-alist)) - (x-get-resource "font" "Font"))) - xlfd-fields resolved-name) - (if (and font - (not (query-fontset font)) - (setq resolved-name (x-resolve-font-name font)) - (setq xlfd-fields (x-decompose-font-name font))) - (if (string= "fontset" (aref xlfd-fields xlfd-regexp-registry-subnum)) - (new-fontset font (x-complement-fontset-spec xlfd-fields nil)) - ;; Create a fontset from FONT. The fontset name is - ;; generated from FONT. - (create-fontset-from-ascii-font font resolved-name "startup")))) - -;; Apply a geometry resource to the initial frame. Put it at the end -;; of the alist, so that anything specified on the command line takes -;; precedence. -(let* ((res-geometry (x-get-resource "geometry" "Geometry")) - parsed) - (if res-geometry - (progn - (setq parsed (x-parse-geometry res-geometry)) - ;; If the resource specifies a position, - ;; call the position and size "user-specified". - (if (or (assq 'top parsed) (assq 'left parsed)) - (setq parsed (cons '(user-position . t) - (cons '(user-size . t) parsed)))) - ;; All geometry parms apply to the initial frame. - (setq initial-frame-alist (append initial-frame-alist parsed)) - ;; The size parms apply to all frames. - (if (assq 'height parsed) - (setq default-frame-alist - (cons (cons 'height (cdr (assq 'height parsed))) - default-frame-alist))) - (if (assq 'width parsed) - (setq default-frame-alist - (cons (cons 'width (cdr (assq 'width parsed))) - default-frame-alist)))))) - -;; Check the reverseVideo resource. -(let ((case-fold-search t)) - (let ((rv (x-get-resource "reverseVideo" "ReverseVideo"))) - (if (and rv - (string-match "^\\(true\\|yes\\|on\\)$" rv)) - (setq default-frame-alist - (cons '(reverse . t) default-frame-alist))))) +(defun x-clipboard-yank () + "Insert the clipboard contents, or the last stretch of killed text." + (interactive) + (let ((clipboard-text (x-selection-value 'CLIPBOARD)) + (x-select-enable-clipboard t)) + (if (and clipboard-text (> (length clipboard-text) 0)) + (kill-new clipboard-text)) + (yank))) -;; Set x-selection-timeout, measured in milliseconds. -(let ((res-selection-timeout - (x-get-resource "selectionTimeout" "SelectionTimeout"))) - (setq x-selection-timeout 20000) - (if res-selection-timeout - (setq x-selection-timeout (string-to-number res-selection-timeout)))) + +;;; Window system initialization. (defun x-win-suspend-error () (error "Suspending an Emacs running under X makes no sense")) -(add-hook 'suspend-hook 'x-win-suspend-error) -;;; 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-cut-buffer-or-selection-value) +(defvar x-initialized nil + "Non-nil if the X window system has been initialized.") + +(defun x-initialize-window-system () + "Initialize Emacs for X frames and open the first connection to an X server." + ;; Make sure we have a valid resource name. + (or (stringp x-resource-name) + (let (i) + (setq x-resource-name (invocation-name)) + + ;; Change any . or * characters in x-resource-name to hyphens, + ;; so as not to choke when we use it in X resource queries. + (while (setq i (string-match "[.*]" x-resource-name)) + (aset x-resource-name i ?-)))) + + (x-open-connection (or x-display-name + (setq x-display-name (server-getenv "DISPLAY"))) + x-command-line-resources + ;; Exit Emacs with fatal error if this fails and we + ;; are the initial display. + (eq initial-window-system 'x)) + + (setq x-cut-buffer-max (min (- (/ (x-server-max-request-size) 2) 100) + x-cut-buffer-max)) + + ;; Setup the default fontset. + (setup-default-fontset) + + ;; Create the standard fontset. + (create-fontset-from-fontset-spec standard-fontset-spec t) + + ;; Create fontset specified in X resources "Fontset-N" (N is 0, 1, ...). + (create-fontset-from-x-resource) + + ;; Try to create a fontset from a font specification which comes + ;; from initial-frame-alist, default-frame-alist, or X resource. + ;; A font specification in command line argument (i.e. -fn XXXX) + ;; should be already in default-frame-alist as a `font' + ;; parameter. However, any font specifications in site-start + ;; library, user's init file (.emacs), and default.el are not + ;; yet handled here. + + (let ((font (or (cdr (assq 'font initial-frame-alist)) + (cdr (assq 'font default-frame-alist)) + (x-get-resource "font" "Font"))) + xlfd-fields resolved-name) + (if (and font + (not (query-fontset font)) + (setq resolved-name (x-resolve-font-name font)) + (setq xlfd-fields (x-decompose-font-name font))) + (if (string= "fontset" (aref xlfd-fields xlfd-regexp-registry-subnum)) + (new-fontset font (x-complement-fontset-spec xlfd-fields nil)) + ;; Create a fontset from FONT. The fontset name is + ;; generated from FONT. + (create-fontset-from-ascii-font font resolved-name "startup")))) + + ;; Apply a geometry resource to the initial frame. Put it at the end + ;; of the alist, so that anything specified on the command line takes + ;; precedence. + (let* ((res-geometry (x-get-resource "geometry" "Geometry")) + parsed) + (if res-geometry + (progn + (setq parsed (x-parse-geometry res-geometry)) + ;; If the resource specifies a position, + ;; call the position and size "user-specified". + (if (or (assq 'top parsed) (assq 'left parsed)) + (setq parsed (cons '(user-position . t) + (cons '(user-size . t) parsed)))) + ;; All geometry parms apply to the initial frame. + (setq initial-frame-alist (append initial-frame-alist parsed)) + ;; The size parms apply to all frames. + (if (assq 'height parsed) + (setq default-frame-alist + (cons (cons 'height (cdr (assq 'height parsed))) + default-frame-alist))) + (if (assq 'width parsed) + (setq default-frame-alist + (cons (cons 'width (cdr (assq 'width parsed))) + default-frame-alist)))))) + + ;; Check the reverseVideo resource. + (let ((case-fold-search t)) + (let ((rv (x-get-resource "reverseVideo" "ReverseVideo"))) + (if (and rv + (string-match "^\\(true\\|yes\\|on\\)$" rv)) + (setq default-frame-alist + (cons '(reverse . t) default-frame-alist))))) -;;; Turn off window-splitting optimization; X is usually fast enough -;;; that this is only annoying. -(setq split-window-keep-point t) + ;; Set x-selection-timeout, measured in milliseconds. + (let ((res-selection-timeout + (x-get-resource "selectionTimeout" "SelectionTimeout"))) + (setq x-selection-timeout 20000) + (if res-selection-timeout + (setq x-selection-timeout (string-to-number res-selection-timeout)))) -;; Don't show the frame name; that's redundant with X. -(setq-default mode-line-frame-identification " ") + ;; Don't let Emacs suspend under X. + (add-hook 'suspend-hook 'x-win-suspend-error) -;; Motif direct handling of f10 wasn't working right, -;; So temporarily we've turned it off in lwlib-Xm.c -;; and turned the Emacs f10 back on. -;; ;; Motif normally handles f10 itself, so don't try to handle it a second time. -;; (if (featurep 'motif) -;; (global-set-key [f10] 'ignore)) + ;; Turn off window-splitting optimization; X is usually fast enough + ;; that this is only annoying. + (setq split-window-keep-point t) -;; Turn on support for mouse wheels. -(mouse-wheel-mode 1) + ;; Motif direct handling of f10 wasn't working right, + ;; So temporarily we've turned it off in lwlib-Xm.c + ;; and turned the Emacs f10 back on. + ;; ;; Motif normally handles f10 itself, so don't try to handle it a second time. + ;; (if (featurep 'motif) + ;; (global-set-key [f10] 'ignore)) + ;; Turn on support for mouse wheels. + (mouse-wheel-mode 1) -;; Enable CLIPBOARD copy/paste through menu bar commands. -(menu-bar-enable-clipboard) + ;; Enable CLIPBOARD copy/paste through menu bar commands. + (menu-bar-enable-clipboard) -;; Override Paste so it looks at CLIPBOARD first. -(defun x-clipboard-yank () - "Insert the clipboard contents, or the last stretch of killed text." - (interactive) - (let ((clipboard-text (x-selection-value 'CLIPBOARD)) - (x-select-enable-clipboard t)) - (if (and clipboard-text (> (length clipboard-text) 0)) - (kill-new clipboard-text)) - (yank))) + ;; Override Paste so it looks at CLIPBOARD first. + (define-key menu-bar-edit-menu [paste] + (cons "Paste" (cons "Paste text from clipboard or kill ring" + 'x-clipboard-yank))) + + (setq x-initialized t)) + +(add-to-list 'handle-args-function-alist '(x . x-handle-args)) +(add-to-list 'frame-creation-function-alist '(x . x-create-frame-with-faces)) +(add-to-list 'window-system-initialization-alist '(x . x-initialize-window-system)) -(define-key menu-bar-edit-menu [paste] - (cons "Paste" (cons "Paste text from clipboard or kill ring" - 'x-clipboard-yank))) +(provide 'x-win) ;; Initiate drag and drop (add-hook 'after-make-frame-functions 'x-dnd-init-frame) |