2012-10-12 15:23:36 +02:00
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;; FUNCTIONS
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun unfill-paragraph ()
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2014-02-14 01:49:50 +01:00
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"Paragraph at point is unwrapped on one single line."
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2012-10-12 15:23:36 +02:00
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(interactive)
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(let ((fill-column (point-max)))
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(fill-paragraph nil)))
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(defun unfill-region ()
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2014-02-14 01:49:50 +01:00
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"Unfill all paragraphs found in current region. Each paragraph
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stand on its line."
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2012-10-12 15:23:36 +02:00
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(interactive)
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(let ((fill-column (point-max)))
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(fill-region (region-beginning) (region-end) nil)))
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2013-06-11 17:10:02 +02:00
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(defun sort-lines-unique ()
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2013-10-27 14:28:47 +01:00
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"Remove duplicate lines using shell command `sort -u'"
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2013-01-15 16:15:19 +01:00
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(interactive)
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2013-06-11 17:10:02 +02:00
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(shell-command-on-region (point) (mark) "sort -u" (buffer-name) t))
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2012-10-12 15:23:36 +02:00
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2014-02-14 01:49:50 +01:00
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(defun dtwi ()
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"Delete trailing whitespaces interactively."
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2013-02-08 00:03:16 +01:00
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(interactive)
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(query-replace-regexp " +
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" "
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2013-02-27 18:44:46 +01:00
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"))
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2013-02-08 00:03:16 +01:00
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2013-06-11 17:10:02 +02:00
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(defun toggle-window-split ()
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2012-12-07 14:34:39 +01:00
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"Vertical split shows more of each line, horizontal split shows
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more lines. This code toggles between them. It only works for
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frames with exactly two windows."
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(interactive)
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(if (= (count-windows) 2)
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(let* ((this-win-buffer (window-buffer))
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(next-win-buffer (window-buffer (next-window)))
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(this-win-edges (window-edges (selected-window)))
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(next-win-edges (window-edges (next-window)))
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(this-win-2nd (not (and (<= (car this-win-edges)
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(car next-win-edges))
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(<= (cadr this-win-edges)
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(cadr next-win-edges)))))
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(splitter
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(if (= (car this-win-edges)
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(car (window-edges (next-window))))
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'split-window-horizontally
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'split-window-vertically)))
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(delete-other-windows)
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(let ((first-win (selected-window)))
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(funcall splitter)
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(if this-win-2nd (other-window 1))
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(set-window-buffer (selected-window) this-win-buffer)
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(set-window-buffer (next-window) next-win-buffer)
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(select-window first-win)
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(if this-win-2nd (other-window 1))))))
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2013-06-11 17:10:02 +02:00
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(define-key my-keys-minor-mode-map [(control c) (|)] 'toggle-window-split)
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(defun duplicate (arg)
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"Duplicates the current line or region ARG times.
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If there's no region, the current line will be duplicated. However, if
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there's a region, all lines that region covers will be duplicated."
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(interactive "p")
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(let (beg
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end
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(origin (point))
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(auto-fill-p (symbol-value 'auto-fill-function)))
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(if (and mark-active (> (point) (mark)))
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(exchange-point-and-mark))
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(setq beg (line-beginning-position))
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(if mark-active
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(exchange-point-and-mark))
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(setq end (line-end-position))
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(let ((region (buffer-substring-no-properties beg end)))
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(auto-fill-mode -1)
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(dotimes (i arg)
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(goto-char end)
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(newline)
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(insert region)
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(setq end (point)))
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(if auto-fill-p (auto-fill-mode))
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(goto-char (+ origin (* (length region) arg) arg)))))
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2014-02-20 14:06:47 +01:00
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(define-key my-keys-minor-mode-map (kbd "C-x M-d") 'duplicate)
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2013-06-11 17:10:02 +02:00
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(defun comment-or-uncomment-current-line-or-region ()
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"Comments or uncomments current current line or whole lines in region."
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(interactive)
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(save-excursion
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(let (min max)
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(if (region-active-p)
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(setq min (region-beginning) max (region-end))
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(setq min (point) max (point)))
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(comment-or-uncomment-region
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(progn (goto-char min) (line-beginning-position))
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(progn (goto-char max) (line-end-position))))))
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(define-key my-keys-minor-mode-map "\M-;" 'comment-or-uncomment-current-line-or-region)
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2013-03-01 16:43:21 +01:00
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(defun xor (b1 b2)
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"Exclusive or of its two arguments."
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(or (and b1 b2)
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(and (not b1) (not b2))))
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(defun move-border-left-or-right (arg dir)
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2013-06-11 17:10:02 +02:00
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"General function covering move-border-left and
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move-border-right. If DIR is t, then move left, otherwise move
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right."
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2013-03-01 16:43:21 +01:00
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(interactive)
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(if (null arg) (setq arg 5))
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(let ((left-edge (nth 0 (window-edges))))
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(if (xor (= left-edge 0) dir)
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(shrink-window arg t)
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(enlarge-window arg t))))
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(defun move-border-left (arg)
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2013-06-11 17:10:02 +02:00
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"If this is a window with its right edge being the edge of the
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screen, enlarge the window horizontally. If this is a window with
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its left edge being the edge of the screen, shrink the window
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horizontally. Otherwise, default to enlarging horizontally.
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2013-03-01 16:43:21 +01:00
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2013-06-11 17:10:02 +02:00
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Enlarge/Shrink by ARG columns, or 5 if arg is nil."
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2013-03-01 16:43:21 +01:00
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(interactive "P")
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(if (= (count-windows) 2)
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(move-border-left-or-right arg t)))
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(defun move-border-right (arg)
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2013-06-11 17:10:02 +02:00
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"If this is a window with its right edge being the edge of the
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screen, shrink the window horizontally. If this is a window with
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its left edge being the edge of the screen, enlarge the window
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horizontally. Otherwise, default to shrinking horizontally.
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2013-03-01 16:43:21 +01:00
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2013-06-11 17:10:02 +02:00
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Enlarge/Shrink by ARG columns, or 5 if arg is nil."
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2013-03-01 16:43:21 +01:00
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(interactive "P")
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(if (= (count-windows) 2)
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(move-border-left-or-right arg nil)))
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(define-key my-keys-minor-mode-map (kbd "M-(") 'move-border-left)
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(define-key my-keys-minor-mode-map (kbd "M-)") 'move-border-right)
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2013-03-18 13:27:07 +01:00
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(defun eval-and-replace ()
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2013-06-11 17:10:02 +02:00
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"Replace the last sexp with its value."
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2013-03-18 13:27:07 +01:00
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(interactive)
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(backward-kill-sexp)
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(condition-case nil
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(prin1 (eval (read (current-kill 0)))
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(current-buffer))
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(error (message "Invalid expression")
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(insert (current-kill 0)))))
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2013-06-11 17:10:02 +02:00
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(defun swap-windows ()
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"If you have 2 windows, it swaps them."
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(interactive)
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(cond ((/= (count-windows) 2)
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(message "You need exactly 2 windows to do this."))
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(t
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(let* ((w1 (first (window-list)))
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(w2 (second (window-list)))
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(b1 (window-buffer w1))
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(b2 (window-buffer w2))
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(s1 (window-start w1))
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(s2 (window-start w2)))
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(set-window-buffer w1 b2)
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(set-window-buffer w2 b1)
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(set-window-start w1 s2)
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(set-window-start w2 s1))))
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(other-window 1))
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2014-02-20 14:06:47 +01:00
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(define-key my-keys-minor-mode-map (kbd "C-x M-s") 'swap-windows)
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2013-06-11 17:10:02 +02:00
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(defun rename-buffer-and-file ()
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"Renames current buffer and file it is visiting."
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(interactive)
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(let ((name (buffer-name))
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(filename (buffer-file-name)))
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(if (not (and filename (file-exists-p filename)))
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(error "Buffer '%s' is not visiting a file!" name)
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(let ((new-name (read-file-name "New name: " filename)))
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(cond ((get-buffer new-name)
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(error "A buffer named '%s' already exists!" new-name))
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(t
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(rename-file filename new-name 1)
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(rename-buffer new-name)
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(set-visited-file-name new-name)
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(set-buffer-modified-p nil)
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(message "File '%s' successfully renamed to '%s'" name (file-name-nondirectory new-name))))))))
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2014-02-14 01:49:50 +01:00
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(define-key my-keys-minor-mode-map (kbd "C-x w") 'rename-buffer-and-file)
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2013-06-11 17:10:02 +02:00
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(defun kill-all-buffers ()
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"Kill all buffers, leaving *scratch* only."
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(interactive)
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(mapc
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(lambda (x)
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(kill-buffer x))
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(buffer-list))
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(delete-other-windows))
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(defun sanitize ()
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"Untabifies, indents and deletes trailing whitespace from buffer or region."
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(interactive)
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(save-excursion
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(unless (region-active-p)
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(mark-whole-buffer))
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(untabify (region-beginning) (region-end))
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(indent-region (region-beginning) (region-end))
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(save-restriction
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(narrow-to-region (region-beginning) (region-end))
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2013-06-12 22:56:30 +02:00
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(delete-trailing-whitespace))))
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2013-07-03 14:46:54 +02:00
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(defun shell-last-command ()
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"Run last shell command."
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(interactive)
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(let ((last (car shell-command-history)))
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(if last
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(shell-command last)
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(message "Shell command history is empty."))))
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(define-key my-keys-minor-mode-map (kbd "C-M-!") 'shell-last-command)
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2013-07-26 20:10:30 +02:00
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(defun map-on-pair (function sequence)
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"Map a function taking two arguments on a sequence of pairs."
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(mapcar (lambda (p) (funcall function (car p) (cadr p))) sequence ))
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2013-09-30 19:59:13 +02:00
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(defun mark-word (&optional arg allow-extend)
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"Set mark ARG words away from point.
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The place mark goes is the same place \\[forward-word] would move
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to with the same argument. Interactively, if this command is
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repeated or (in Transient Mark mode) if the mark is active, it
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marks the next ARG words after the ones already marked.
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This overloads the vanilla function to mark words from the
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beginning."
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(interactive "P\np")
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(cond ((and allow-extend
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(or (and (eq last-command this-command) (mark t))
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(region-active-p)))
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(setq arg (if arg (prefix-numeric-value arg)
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(if (< (mark) (point)) -1 1)))
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(set-mark
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(save-excursion
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(goto-char (mark))
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(forward-word arg)
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(point))))
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(t
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2013-10-22 12:44:38 +02:00
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;; The next line makes sure the word at point gets selected if point is
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;; on the first letter. We need to ignore error if point is at EOF.
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(ignore-errors (forward-char))
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2013-09-30 19:59:13 +02:00
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(backward-word)
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(push-mark
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(save-excursion
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(forward-word (prefix-numeric-value arg))
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(point))
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nil t))))
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2013-10-27 14:28:47 +01:00
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2014-02-14 01:49:50 +01:00
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(defvar translate-lang-input ""
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"Current input language for the `translate' function. Change it
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with `translate-set-language'.")
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(defvar translate-lang-output "en"
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"Current output language for the `translate' function. Change
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it with `translate-set-language'.")
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(defvar translate-lang-p nil
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"The original value is nil. When `translate' is called for the
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first time, input and output languages are set and this variable
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is set to true.")
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2013-10-27 14:28:47 +01:00
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(defun translate-set-language ()
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"Set input/output languages for current buffer. Leave input
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empty for auto-detect. Empty output defaults to English."
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(interactive)
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(set (make-local-variable 'translate-lang-input)
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(read-from-minibuffer "Input language: "))
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(let ((out (read-from-minibuffer "Output language: ")))
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(set (make-local-variable 'translate-lang-output)
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(if (string-match "^ *$" out) "en" out))))
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(defun translate ()
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"Replace current region with its translation."
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(interactive)
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(unless translate-lang-p
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(translate-set-language)
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2013-10-27 14:33:03 +01:00
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(set (make-local-variable 'translate-lang-p) t))
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2013-10-27 14:28:47 +01:00
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(shell-command-on-region
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(point) (mark)
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(concat "translate "
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(unless (string= translate-lang-input "")
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(concat "-i " translate-lang-input))
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" " translate-lang-output) nil t))
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(defun translate-line-by-line ()
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"Translate lines in region or current line if there is no
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region. Output result at the end after an ' = ' separtor."
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(interactive)
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(unless translate-lang-p
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(translate-set-language)
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2013-10-27 14:33:03 +01:00
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(set (make-local-variable 'translate-lang-p) t))
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2013-10-27 14:28:47 +01:00
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(let ((line)
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(cmd (concat "translate "
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(unless (string= translate-lang-input "")
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(concat "-i " translate-lang-input))
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" " translate-lang-output))
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(beg (line-number-at-pos (point)))
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(end (line-number-at-pos (if mark-active (mark) (point)))))
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;; Mark is assumed to specify the end. If it not not the case, we switch
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;; the values.
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(when (> beg end)
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(setq beg (line-number-at-pos (mark)))
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(setq end (line-number-at-pos (point))))
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(save-excursion
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;; forward-line will remain on the same line if EOF has been reached. Need
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;; to check for it.
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(while (<= beg end)
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(goto-line beg)
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(setq line (buffer-substring-no-properties
|
|
|
|
(line-beginning-position) (line-end-position)))
|
|
|
|
(unless (string-match "^ *$" line)
|
|
|
|
(end-of-line)
|
|
|
|
(insert " = " (shell-command-to-string
|
|
|
|
(concat cmd " '" line "'")))
|
2014-02-14 01:49:50 +01:00
|
|
|
;; Shell commands usually output an EOL. We should remove it.
|
2013-10-27 14:28:47 +01:00
|
|
|
(delete-char -1))
|
|
|
|
(setq beg (1+ beg))))))
|
|
|
|
|
|
|
|
(defun pos-at-line (arg)
|
|
|
|
"Return the position at beginning of line."
|
|
|
|
(save-excursion
|
|
|
|
(goto-line arg)
|
|
|
|
(beginning-of-line)
|
|
|
|
(point)))
|
2013-12-03 15:41:25 +01:00
|
|
|
|
|
|
|
(defun toggle-trailing-whitespace ()
|
2014-02-14 01:49:50 +01:00
|
|
|
"Show trailing whitespace or not."
|
2013-12-03 15:41:25 +01:00
|
|
|
(interactive)
|
|
|
|
(if show-trailing-whitespace
|
|
|
|
(setq show-trailing-whitespace nil)
|
|
|
|
(setq show-trailing-whitespace t)))
|
2014-01-09 11:53:09 +01:00
|
|
|
|
|
|
|
(defun toggle-indent-tabs ()
|
2014-02-14 01:49:50 +01:00
|
|
|
"Indent with tabs or spaces."
|
2014-01-09 11:53:09 +01:00
|
|
|
(interactive)
|
|
|
|
(if indent-tabs-mode
|
2014-01-09 14:51:36 +01:00
|
|
|
(progn
|
2014-01-16 10:31:23 +01:00
|
|
|
(message "Indent using spaces")
|
2014-01-09 14:51:36 +01:00
|
|
|
(setq indent-tabs-mode nil))
|
2014-01-16 10:31:23 +01:00
|
|
|
(message "Indent using tabs")
|
2014-01-09 11:53:09 +01:00
|
|
|
(setq indent-tabs-mode t)))
|
|
|
|
|
2014-02-20 14:06:47 +01:00
|
|
|
(define-key my-keys-minor-mode-map (kbd "C-x M-i") 'toggle-indent-tabs)
|
2014-01-11 18:06:04 +01:00
|
|
|
|
|
|
|
(defun toggle-word-delim ()
|
2014-02-14 01:49:50 +01:00
|
|
|
"Make underscore part of the word syntax or not."
|
2014-01-11 18:06:04 +01:00
|
|
|
(interactive)
|
|
|
|
(if (string= (char-to-string (char-syntax ?_)) "_")
|
|
|
|
(progn
|
|
|
|
(modify-syntax-entry ?_ "w")
|
|
|
|
(message "_ is a not word delimiter"))
|
|
|
|
(modify-syntax-entry ?_ "_")
|
|
|
|
(message "_ is a word delimiter")))
|
2014-01-14 21:48:07 +01:00
|
|
|
|
|
|
|
(defun calc-eval-line ()
|
|
|
|
"Compute mathematical expression with calc and append result to
|
|
|
|
end of line after an ' = ' separtor."
|
|
|
|
(interactive)
|
|
|
|
(end-of-line)
|
|
|
|
(insert " = " (calc-eval (buffer-substring-no-properties
|
|
|
|
(line-beginning-position) (line-end-position)))))
|
|
|
|
|
2014-02-11 00:45:27 +01:00
|
|
|
(defun count-occurences (regex string)
|
|
|
|
"Return number of times regex occurs in string."
|
|
|
|
(let ((start 0) (matches 0))
|
|
|
|
(while (string-match regex string start)
|
|
|
|
(setq start (match-end 0))
|
|
|
|
(setq matches (1+ matches)))
|
|
|
|
matches))
|
|
|
|
|
2014-02-11 01:56:20 +01:00
|
|
|
(defun count-percents (string)
|
2014-02-12 18:49:41 +01:00
|
|
|
"Return number of times % occurs in a printf format string, %%
|
|
|
|
exluded."
|
2014-02-11 01:56:20 +01:00
|
|
|
(let ((start 0) (matches 0))
|
|
|
|
(while (string-match "%." string start)
|
|
|
|
(unless (string= (match-string 0 string) "%%")
|
|
|
|
(setq matches (1+ matches)))
|
|
|
|
(setq start (match-end 0)))
|
|
|
|
matches))
|
2014-02-12 18:31:00 +01:00
|
|
|
|
2014-02-12 18:49:41 +01:00
|
|
|
|
2014-02-12 18:31:00 +01:00
|
|
|
(defun toggle-window-dedicated ()
|
2014-02-12 18:49:41 +01:00
|
|
|
"Toggle whether the current active window is dedicated or not.
|
|
|
|
|
|
|
|
Run it in each window you want to 'freeze', i.e. prevent Emacs
|
|
|
|
from acting on it."
|
2014-02-12 18:31:00 +01:00
|
|
|
(interactive)
|
|
|
|
(message
|
|
|
|
(if (let (window (get-buffer-window (current-buffer)))
|
|
|
|
(set-window-dedicated-p window
|
|
|
|
(not (window-dedicated-p window))))
|
|
|
|
"Window '%s' is dedicated"
|
|
|
|
"Window '%s' is normal")
|
|
|
|
(current-buffer)))
|
|
|
|
|
2014-02-12 18:49:41 +01:00
|
|
|
(define-key my-keys-minor-mode-map [pause] 'toggle-window-dedicated)
|
|
|
|
|
|
|
|
(defun get-closest-pathname (&optional file)
|
|
|
|
"Determine the pathname of the first instance of FILE starting
|
|
|
|
from the current directory towards root. This may not do the
|
|
|
|
correct thing in presence of links. If it does not find FILE,
|
|
|
|
then it shall return the name of FILE in the current directory,
|
|
|
|
suitable for creation"
|
|
|
|
(let ((current-dir default-directory) (looping t) (makefile (or file "Makefile")))
|
|
|
|
(while (progn
|
|
|
|
(if (file-exists-p (expand-file-name makefile current-dir))
|
|
|
|
(setq looping nil)
|
|
|
|
(setq current-dir (expand-file-name ".." current-dir)))
|
|
|
|
(and looping (not (equal current-dir "/")))))
|
|
|
|
(if (equal current-dir "/") nil (expand-file-name makefile current-dir))))
|
|
|
|
|
2014-02-13 17:22:52 +01:00
|
|
|
(defun skeleton-make-markers ()
|
2014-02-14 01:49:50 +01:00
|
|
|
"Hook function for skeletons."
|
2014-02-13 17:22:52 +01:00
|
|
|
(while skeleton-markers
|
|
|
|
(set-marker (pop skeleton-markers) nil))
|
|
|
|
(setq skeleton-markers
|
|
|
|
(mapcar 'copy-marker (reverse skeleton-positions))))
|
|
|
|
;; TODO: skeleton move reverse does not work properly.
|
|
|
|
(defun skeleton-next-position (&optional reverse)
|
|
|
|
"Skeleton movements through placeholders."
|
|
|
|
(interactive "P")
|
|
|
|
(let ((positions (mapcar 'marker-position skeleton-markers))
|
|
|
|
(comp (if reverse '> '<))
|
|
|
|
pos)
|
|
|
|
(when positions
|
|
|
|
(if (catch 'break
|
|
|
|
(while (setq pos (pop positions))
|
|
|
|
(when (funcall comp (point) pos)
|
|
|
|
(throw 'break t))))
|
|
|
|
(goto-char pos)
|
|
|
|
(goto-char (marker-position
|
|
|
|
(if reverse
|
|
|
|
(car (last skeleton-markers))
|
|
|
|
(car skeleton-markers))))))))
|
2014-02-13 15:56:13 +01:00
|
|
|
|
2014-02-18 12:13:18 +01:00
|
|
|
(defun pdf-compress (&optional arg)
|
2014-02-21 15:23:25 +01:00
|
|
|
"Call `pdfcompess' inplace over argument. If no universal
|
|
|
|
argument is provided, use PDF associated to current buffer
|
|
|
|
filename, ask for filename otherwise."
|
2014-02-18 12:13:18 +01:00
|
|
|
(interactive)
|
|
|
|
(let ((file (concat
|
|
|
|
(file-name-sans-extension
|
|
|
|
(if arg arg
|
|
|
|
(if (equal current-prefix-arg '(4))
|
|
|
|
(read-string "File name: " nil nil buffer-file-name)
|
|
|
|
buffer-file-name)))
|
|
|
|
".pdf")))
|
|
|
|
(when (and (file-exists-p file) (file-writable-p file))
|
|
|
|
;; TODO: check for errors and print better messages.
|
|
|
|
(call-process "pdfcompress" nil nil nil "-i" file))
|
|
|
|
))
|
|
|
|
|
2014-02-21 15:23:25 +01:00
|
|
|
(defvar pdf-viewer "zathura --fork -s -x \"emacsclient --eval '(progn (switch-to-buffer (file-name-nondirectory \"'\"'\"%{input}\"'\"'\")) (goto-line %{line}))'\""
|
|
|
|
"View PDF associated to current buffer. You may want to fork
|
|
|
|
the viewer so that it detects when the same document is launched
|
|
|
|
twice, and persists when Emacs gets closed.
|
|
|
|
|
|
|
|
Simple command:
|
|
|
|
|
|
|
|
zathura --fork
|
|
|
|
|
|
|
|
We can use
|
|
|
|
|
|
|
|
emacsclient --eval '(progn (switch-to-buffer (file-name-nondirectory \"%{input}\")) (goto-line %{line}))'
|
|
|
|
|
|
|
|
to reverse-search a PDF using SyncTeX. Note that the quotes and
|
|
|
|
double-quotes matter and must be escaped appropriately.")
|
|
|
|
|
|
|
|
(defun pdf-view (&optional arg)
|
|
|
|
"Call `pdf-viewer' for current buffer file. If no universal
|
|
|
|
argument is provided, use PDF associated to current buffer
|
|
|
|
filename, ask for filename otherwise."
|
|
|
|
(interactive)
|
|
|
|
(let ((file (concat
|
|
|
|
(file-name-sans-extension
|
|
|
|
(if arg arg
|
|
|
|
(if (equal current-prefix-arg '(4))
|
|
|
|
(read-string "File name: " nil nil buffer-file-name)
|
|
|
|
buffer-file-name)))
|
|
|
|
".pdf")))
|
|
|
|
(when (and (file-exists-p file) (file-writable-p file))
|
|
|
|
;; TODO: check for errors and print better messages.
|
|
|
|
;; (call-process "pdfcompress" nil nil nil "-i" file))
|
|
|
|
|
|
|
|
(shell-command
|
|
|
|
(concat pdf-viewer
|
|
|
|
" \"" file "\" &" ))
|
|
|
|
(delete-windows-on "*Async Shell Command*"))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun time-subtract-millis (b a)
|
|
|
|
(* 1000.0 (float-time (time-subtract b a))))
|
|
|
|
|
|
|
|
(defvar require-times nil
|
|
|
|
"A list of (FEATURE . LOAD-DURATION).
|
|
|
|
LOAD-DURATION is the time taken in milliseconds to load FEATURE.")
|
|
|
|
|
|
|
|
(defadvice require
|
|
|
|
(around build-require-times (feature &optional filename noerror) activate)
|
|
|
|
"Note in `require-times' the time taken to require each feature."
|
|
|
|
(let* ((already-loaded (memq feature features))
|
|
|
|
(require-start-time (and (not already-loaded) (current-time))))
|
|
|
|
(prog1
|
|
|
|
ad-do-it
|
|
|
|
(when (and (not already-loaded) (memq feature features))
|
|
|
|
(add-to-list 'sanityinc/require-times
|
|
|
|
(cons feature
|
|
|
|
(sanityinc/time-subtract-millis (current-time)
|
|
|
|
require-start-time))
|
|
|
|
t)))))
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-02-13 15:56:13 +01:00
|
|
|
(provide 'functions)
|