(defconst x-pointer-xterm 152)
(defconst x-pointer-invisible 255)
-\f
-(defvar x-colors)
-
-(defun xw-defined-colors (&optional frame)
- "Internal function called by `defined-colors'."
- (or frame (setq frame (selected-frame)))
- (let ((all-colors x-colors)
- (this-color nil)
- (defined-colors nil))
- (while all-colors
- (setq this-color (car all-colors)
- all-colors (cdr all-colors))
- (and (color-supported-p this-color frame t)
- (setq defined-colors (cons this-color defined-colors))))
- defined-colors))
-\f
-;;;; Function keys
-
-(defvar x-alternatives-map
- (let ((map (make-sparse-keymap)))
- ;; Map certain keypad keys into ASCII characters that people usually expect.
- (define-key map [M-backspace] [?\M-\d])
- (define-key map [M-delete] [?\M-\d])
- (define-key map [M-tab] [?\M-\t])
- (define-key map [M-linefeed] [?\M-\n])
- (define-key map [M-clear] [?\M-\C-l])
- (define-key map [M-return] [?\M-\C-m])
- (define-key map [M-escape] [?\M-\e])
- (define-key map [iso-lefttab] [backtab])
- (define-key map [S-iso-lefttab] [backtab])
- map)
- "Keymap of possible alternative meanings for some keys.")
-
-(defun x-setup-function-keys (frame)
- "Set up `function-key-map' on the graphical frame FRAME."
- ;; Don't do this twice on the same display, or it would break
- ;; normal-erase-is-backspace-mode.
- (unless (terminal-parameter frame 'x-setup-function-keys)
- ;; Map certain keypad keys into ASCII characters that people usually expect.
- (with-selected-frame frame
- (let ((map (copy-keymap x-alternatives-map)))
- (set-keymap-parent map (keymap-parent local-function-key-map))
- (set-keymap-parent local-function-key-map map)))
- (set-terminal-parameter frame 'x-setup-function-keys t)))
\f
;;;; Keysyms
;; #x0dde THAI MAIHANAKAT Thai
\f
-;;;; Selections and cut buffers
+;;;; Selections
;; 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. We track all three
+;; from x-selection-value. We track both
;; separately in case another X application only sets one of them
-;; (say the cut buffer) we aren't fooled by the PRIMARY or
-;; CLIPBOARD selection staying the same.
+;; we aren't fooled by the PRIMARY or CLIPBOARD selection staying the same.
(defvar x-last-selected-text-clipboard nil
"The value of the CLIPBOARD X selection last time we selected or
pasted text.")
(defvar x-last-selected-text-primary nil
"The value of the PRIMARY X selection last time we selected or
pasted text.")
-(defvar x-last-selected-text-cut nil
- "The value of the X cut buffer last time we selected or pasted text.
-The actual text stored in the X cut buffer is what encoded from this value.")
-(defvar x-last-selected-text-cut-encoded nil
- "The value of the X cut buffer last time we selected or pasted text.
-This is the actual text stored in the X cut buffer.")
-(defvar x-last-cut-buffer-coding 'iso-latin-1
- "The coding we last used to encode/decode the text from the X cut buffer")
-
-(defvar x-cut-buffer-max 20000 ; Note this value is overridden below.
- "Max number of characters to put in the cut buffer.
-It is said that overlarge strings are slow to put into the cut buffer.")
-
-(defcustom x-select-enable-clipboard nil
- "Non-nil means cutting and pasting uses the clipboard.
-This is in addition to, but in preference to, the primary selection.
-
-On MS-Windows, this is non-nil by default, since Windows does not
-support other types of selections. \(The primary selection that is
-set by Emacs is not accessible to other programs on Windows.\)"
- :type 'boolean
- :group 'killing)
-(defcustom x-select-enable-primary t
+(defcustom x-select-enable-primary nil
"Non-nil means cutting and pasting uses the primary selection."
:type 'boolean
- :group 'killing)
-
-(defun x-select-text (text &optional push)
- "Select TEXT, a string, according to the window system.
-
-On X, put TEXT in the primary X selection. For backward
-compatibility with older X applications, set the value of X cut
-buffer 0 as well, and if the optional argument PUSH is non-nil,
-rotate the cut buffers. If `x-select-enable-clipboard' is
-non-nil, copy the text to the X clipboard as well.
-
-On Windows, make TEXT the current selection. If
-`x-select-enable-clipboard' is non-nil, copy the text to the
-clipboard as well. The argument PUSH is ignored.
-
-On Nextstep, put TEXT in the pasteboard; PUSH is ignored."
- ;; With multi-tty, this function may be called from a tty frame.
- (when (eq (framep (selected-frame)) 'x)
- ;; Don't send the cut buffer too much text.
- ;; It becomes slow, and if really big it causes errors.
- (cond ((>= (length text) x-cut-buffer-max)
- (x-set-cut-buffer "" push)
- (setq x-last-selected-text-cut ""
- x-last-selected-text-cut-encoded ""))
- (t
- (setq x-last-selected-text-cut text
- x-last-cut-buffer-coding 'iso-latin-1
- x-last-selected-text-cut-encoded
- ;; ICCCM says cut buffer always contain ISO-Latin-1
- (encode-coding-string text 'iso-latin-1))
- (x-set-cut-buffer x-last-selected-text-cut-encoded push)))
- (when x-select-enable-primary
- (x-set-selection 'PRIMARY text)
- (setq x-last-selected-text-primary text))
- (when x-select-enable-clipboard
- (x-set-selection 'CLIPBOARD text)
- (setq x-last-selected-text-clipboard text))))
+ :group 'killing
+ :version "24.1")
(defvar x-select-request-type nil
"*Data type request for X selection.
;; The return value is already decoded. If x-get-selection causes an
;; error, this function return nil.
-(defun x-selection-value (type)
+(defun x-selection-value-internal (type)
(let ((request-type (or x-select-request-type
'(UTF8_STRING COMPOUND_TEXT STRING)))
text)
text))
;; Return the value of the current X selection.
-;; Consult the selection, and the cut buffer. Treat empty strings
-;; as if they were unset.
+;; Consult the selection. Treat empty strings as if they were unset.
;; If this function is called twice and finds the same text,
;; it returns nil the second time. This is so that a single
;; selection won't be added to the kill ring over and over.
-(defun x-cut-buffer-or-selection-value ()
+(defun x-selection-value ()
;; With multi-tty, this function may be called from a tty frame.
(when (eq (framep (selected-frame)) 'x)
- (let (clip-text primary-text cut-text)
+ (let (clip-text primary-text)
(when x-select-enable-clipboard
- (setq clip-text (x-selection-value 'CLIPBOARD))
+ (setq clip-text (x-selection-value-internal 'CLIPBOARD))
(if (string= clip-text "") (setq clip-text nil))
;; Check the CLIPBOARD selection for 'newness', is it different
(t (setq x-last-selected-text-clipboard clip-text)))))
(when x-select-enable-primary
- (setq primary-text (x-selection-value 'PRIMARY))
+ (setq primary-text (x-selection-value-internal 'PRIMARY))
;; Check the PRIMARY selection for 'newness', is it different
;; from what we remebered them to be last time we did a
;; cut/paste operation.
(t
(setq x-last-selected-text-primary primary-text)))))
- (setq cut-text (x-get-cut-buffer 0))
-
- ;; Check the x cut buffer for 'newness', is it different
- ;; from what we remebered them to be last time we did a
- ;; cut/paste operation.
- (setq cut-text
- (let ((next-coding (or next-selection-coding-system 'iso-latin-1)))
- (cond ;; check cut buffer
- ((or (not cut-text) (string= cut-text ""))
- (setq x-last-selected-text-cut nil))
- ;; This short cut doesn't work because x-get-cut-buffer
- ;; always returns a newly created string.
- ;; ((eq cut-text x-last-selected-text-cut) nil)
- ((and (string= cut-text x-last-selected-text-cut-encoded)
- (eq x-last-cut-buffer-coding next-coding))
- ;; See the comment above. No need of this recording.
- ;; Record the newer string,
- ;; so subsequent calls can use the `eq' test.
- ;; (setq x-last-selected-text-cut cut-text)
- nil)
- (t
- (setq x-last-selected-text-cut-encoded cut-text
- x-last-cut-buffer-coding next-coding
- x-last-selected-text-cut
- ;; ICCCM says cut buffer always contain ISO-Latin-1, but
- ;; use next-selection-coding-system if not nil.
- (decode-coding-string
- cut-text next-coding))))))
-
;; As we have done one selection, clear this now.
(setq next-selection-coding-system nil)
;; At this point we have recorded the current values for the
- ;; selection from clipboard (if we are supposed to) primary,
- ;; and cut buffer. So return the first one that has changed
+ ;; selection from clipboard (if we are supposed to) and primary.
+ ;; So return the first one that has changed
;; (which is the first non-null one).
;;
;; NOTE: There will be cases where more than one of these has
;; changed and the new values differ. This indicates that
;; something like the following has happened since the last time
;; we looked at the selections: Application X set all the
- ;; selections, then Application Y set only one or two of them (say
- ;; just the cut-buffer). In this case since we don't have
+ ;; selections, then Application Y set only one of them.
+ ;; In this case since we don't have
;; timestamps there is no way to know what the 'correct' value to
;; return is. The nice thing to do would be to tell the user we
;; saw multiple possible selections and ask the user which was the
;; one they wanted.
- ;; This code is still a big improvement because now the user can
- ;; futz with the current selection and get emacs to pay attention
- ;; to the cut buffer again (previously as soon as clipboard or
- ;; primary had been set the cut buffer would essentially never be
- ;; checked again).
- (or clip-text primary-text cut-text)
+ (or clip-text primary-text)
)))
+(define-obsolete-function-alias 'x-cut-buffer-or-selection-value
+ 'x-selection-value "24.1")
+
;; 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)
+(setq interprogram-paste-function 'x-selection-value)
+
+;; Make paste from other applications use the decoding in x-select-request-type
+;; and not just STRING.
+(defun x-get-selection-value ()
+ "Get the current value of the PRIMARY selection.
+Request data types in the order specified by `x-select-request-type'."
+ (x-selection-value-internal 'PRIMARY))
(defun x-clipboard-yank ()
"Insert the clipboard contents, or the last stretch of killed text."
(interactive "*")
- (let ((clipboard-text (x-selection-value 'CLIPBOARD))
+ (let ((clipboard-text (x-selection-value-internal 'CLIPBOARD))
(x-select-enable-clipboard t))
(if (and clipboard-text (> (length clipboard-text) 0))
(kill-new clipboard-text))
;; 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))
-
;; Create the default fontset.
(create-default-fontset)
;; Enable CLIPBOARD copy/paste through menu bar commands.
(menu-bar-enable-clipboard)
- ;; Override Paste so it looks at CLIPBOARD first.
- (define-key menu-bar-edit-menu [paste]
- (append '(menu-item "Paste" x-clipboard-yank
- :enable (not buffer-read-only)
- :help "Paste (yank) text most recently cut/copied")
- nil))
+ ;; ;; Override Paste so it looks at CLIPBOARD first.
+ ;; (define-key menu-bar-edit-menu [paste]
+ ;; (append '(menu-item "Paste" x-clipboard-yank
+ ;; :enable (not buffer-read-only)
+ ;; :help "Paste (yank) text most recently cut/copied")
+ ;; nil))
(setq x-initialized t))
(provide 'x-win)
-;; arch-tag: f1501302-db8b-4d95-88e3-116697d89f78
;;; x-win.el ends here