(defun pyflakes-this-buffer ()
  (interactive)
  (compilation-start (concat "cd  "
                             (file-name-directory buffer-file-name)
                             "; pyflakes " (file-name-nondirectory
                                            buffer-file-name))
                     nil
                     (lambda (mode) "*pyflakes*")))


(defun ido-imenu ()
  "Update the imenu index and then use ido to select a symbol to navigate to.
Symbols matching the text at point are put first in the completion list."
  (interactive)
  (imenu--make-index-alist)
  (let ((name-and-pos '())
        (symbol-names '()))
    (flet ((addsymbols (symbol-list)
                       (when (listp symbol-list)
                         (dolist (symbol symbol-list)
                           (let ((name nil) (position nil))
                             (cond
                              ((and (listp symbol) (imenu--subalist-p symbol))
                               (addsymbols symbol))

                              ((listp symbol)
                               (setq name (car symbol))
                               (setq position (cdr symbol)))

                              ((stringp symbol)
                               (setq name symbol)
                               (setq position (get-text-property 1 'org-imenu-marker symbol))))

                             (unless (or (null position) (null name))
                               (add-to-list 'symbol-names name)
                               (add-to-list 'name-and-pos (cons name position))))))))
      (addsymbols imenu--index-alist))
    ;; If there are matching symbols at point, put them at the beginning of `symbol-names'.
    (let ((symbol-at-point (thing-at-point 'symbol)))
      (when symbol-at-point
        (let* ((regexp (concat (regexp-quote symbol-at-point) "$"))
               (matching-symbols (delq nil (mapcar (lambda (symbol)
                                                     (if (string-match regexp symbol) symbol))
                                                   symbol-names))))
          (when matching-symbols
            (sort matching-symbols (lambda (a b) (> (length a) (length b))))
            (mapc (lambda (symbol) (setq symbol-names (cons symbol (delete symbol symbol-names))))
                  matching-symbols)))))
    (let* ((selected-symbol (ido-completing-read "Symbol? " symbol-names))
           (position (cdr (assoc selected-symbol name-and-pos))))
      (goto-char position))))


(defun fullscreen ()
  (interactive)
  (set-frame-parameter nil 'fullscreen
                       (if (frame-parameter nil 'fullscreen) nil 'fullboth)))


(defun hg-rm-this-file ()
  (interactive)
  (shell-command-to-string (concat "hg rm " (shell-quote-argument buffer-file-name))))

;; Lifted from http://code.google.com/p/ergoemacs/
(defun select-text-in-quote ()
  "Select text between the nearest left and right delimiters.
Delimiters are paired characters: ()[]<>«»“”‘’「」, including \"\"."
 (interactive)
 (let (b1 b2)
   (skip-chars-backward "^<>(“{[「«\"‘")
   (setq b1 (point))
   (skip-chars-forward "^<>)”}]」»\"’")
   (setq b2 (point))
   (set-mark b1)
   )
 )

;; Most of this was extracted from show-paren-function in paren.el from an emacs 23 nightly
;; Also, it seems like this really ought to be builtin, but I can't find it.
(defun bounce-to-other-paren ()
  (interactive)
  (let ((oldpos (point))
        (dir (cond ((eq (syntax-class (syntax-after (1- (point)))) 5) -1)
                   ((eq (syntax-class (syntax-after (point)))      4) 1)))
        pos mismatch face)
    ;;
    ;; Find the other end of the sexp.
    (when dir
      (save-excursion
        (save-restriction
          ;; Determine the range within which to look for a match.
          (when blink-matching-paren-distance
            (narrow-to-region
             (max (point-min) (- (point) blink-matching-paren-distance))
             (min (point-max) (+ (point) blink-matching-paren-distance))))
          ;; Scan across one sexp within that range.
          ;; Errors or nil mean there is a mismatch.
          (condition-case ()
              (setq pos (scan-sexps (point) dir))
            (error (setq pos t mismatch t)))
          ;; Move back the other way and verify we get back to the
          ;; starting point.  If not, these two parens don't really match.
          ;; Maybe the one at point is escaped and doesn't really count.
          (when (integerp pos)
            (unless (condition-case ()
                        (eq (point) (scan-sexps pos (- dir)))
                      (error nil))
              (setq pos nil)))
          )))
    ;; Highlight the other end of the sexp, or unhighlight if none.
    (if (and pos (integerp pos))
        (goto-char pos)
      (message "No matching other paren found.")
      )))