;;; Code:
-(eval-when-compile (require 'cl)) ;For define-minor-mode.
-
(declare-function widget-convert "wid-edit" (type &rest args))
(declare-function shell-mode "shell" ())
((use-region-p)
(call-interactively 'count-words-region))
(t
- (count-words--message "Buffer" (point-min) (point-max)))))
+ (count-words--message
+ (if (= (point-max) (1+ (buffer-size)))
+ "Buffer"
+ "Narrowed part of buffer")
+ (point-min) (point-max)))))
(defun count-words--message (str start end)
(let ((lines (count-lines start end))
(defun async-shell-command (command &optional output-buffer error-buffer)
"Execute string COMMAND asynchronously in background.
-Like `shell-command' but if COMMAND doesn't end in ampersand, adds `&'
-surrounded by whitespace and executes the command asynchronously.
+Like `shell-command', but adds `&' at the end of COMMAND
+to execute it asynchronously.
+
The output appears in the buffer `*Async Shell Command*'.
+That buffer is in shell mode.
In Elisp, you will often be better served by calling `start-process'
directly, since it offers more control and does not impose the use of a
(interactive
(list
(read-shell-command "Async shell command: " nil nil
- (and buffer-file-name
- (file-relative-name buffer-file-name)))
+ (let ((filename
+ (cond
+ (buffer-file-name)
+ ((eq major-mode 'dired-mode)
+ (dired-get-filename nil t)))))
+ (and filename (file-relative-name filename))))
current-prefix-arg
shell-command-default-error-buffer))
(unless (string-match "&[ \t]*\\'" command)
"Execute string COMMAND in inferior shell; display output, if any.
With prefix argument, insert the COMMAND's output at point.
-If COMMAND ends in ampersand, execute it asynchronously.
+If COMMAND ends in `&', execute it asynchronously.
The output appears in the buffer `*Async Shell Command*'.
-That buffer is in shell mode.
+That buffer is in shell mode. You can also use
+`async-shell-command' that automatically adds `&'.
Otherwise, COMMAND is executed synchronously. The output appears in
the buffer `*Shell Command Output*'. If the output is short enough to
(defvar interprogram-cut-function nil
"Function to call to make a killed region available to other programs.
+Most window systems provide a facility for cutting and pasting
+text between different programs, such as the clipboard on X and
+MS-Windows, or the pasteboard on Nextstep/Mac OS.
-Most window systems provide some sort of facility for cutting and
-pasting text between the windows of different programs.
-This variable holds a function that Emacs calls whenever text
-is put in the kill ring, to make the new kill available to other
-programs.
-
-The function takes one argument, TEXT, which is a string containing
-the text which should be made available.")
+This variable holds a function that Emacs calls whenever text is
+put in the kill ring, to make the new kill available to other
+programs. The function takes one argument, TEXT, which is a
+string containing the text which should be made available.")
(defvar interprogram-paste-function nil
"Function to call to get text cut from other programs.
-
-Most window systems provide some sort of facility for cutting and
-pasting text between the windows of different programs.
-This variable holds a function that Emacs calls to obtain
-text that other programs have provided for pasting.
-
-The function should be called with no arguments. If the function
-returns nil, then no other program has provided such text, and the top
-of the Emacs kill ring should be used. If the function returns a
-string, then the caller of the function \(usually `current-kill')
-should put this string in the kill ring as the latest kill.
-
-This function may also return a list of strings if the window
+Most window systems provide a facility for cutting and pasting
+text between different programs, such as the clipboard on X and
+MS-Windows, or the pasteboard on Nextstep/Mac OS.
+
+This variable holds a function that Emacs calls to obtain text
+that other programs have provided for pasting. The function is
+called with no arguments. If no other program has provided text
+to paste, the function should return nil (in which case the
+caller, usually `current-kill', should use the top of the Emacs
+kill ring). If another program has provided text to paste, the
+function should return that text as a string (in which case the
+caller should put this string in the kill ring as the latest
+kill).
+
+The function may also return a list of strings if the window
system supports multiple selections. The first string will be
-used as the pasted text, but the other will be placed in the
-kill ring for easy access via `yank-pop'.
-
-Note that the function should return a string only if a program other
-than Emacs has provided a string for pasting; if Emacs provided the
-most recent string, the function should return nil. If it is
-difficult to tell whether Emacs or some other program provided the
-current string, it is probably good enough to return nil if the string
-is equal (according to `string=') to the last text Emacs provided.")
+used as the pasted text, but the other will be placed in the kill
+ring for easy access via `yank-pop'.
+
+Note that the function should return a string only if a program
+other than Emacs has provided a string for pasting; if Emacs
+provided the most recent string, the function should return nil.
+If it is difficult to tell whether Emacs or some other program
+provided the current string, it is probably good enough to return
+nil if the string is equal (according to `string=') to the last
+text Emacs provided.")
\f
(set-advertised-calling-convention 'kill-append '(string before-p) "23.3")
(defcustom yank-pop-change-selection nil
- "If non-nil, rotating the kill ring changes the window system selection."
+ "Whether rotating the kill ring changes the window system selection.
+If non-nil, whenever the kill ring is rotated (usually via the
+`yank-pop' command), Emacs also calls `interprogram-cut-function'
+to copy the new kill to the window system selection."
:type 'boolean
:group 'killing
:version "23.1")
(cond (saved-region-selection
(x-set-selection 'PRIMARY saved-region-selection)
(setq saved-region-selection nil))
- ((/= (region-beginning) (region-end))
+ ;; If another program has acquired the selection, region
+ ;; deactivation should not clobber it (Bug#11772).
+ ((and (/= (region-beginning) (region-end))
+ (or (x-selection-owner-p 'PRIMARY)
+ (null (x-selection-exists-p 'PRIMARY))))
(x-set-selection 'PRIMARY
(buffer-substring-no-properties
(region-beginning)