dot-emacs.el: Fix complicated prefix-argument handling for compilation.

[profile] / el / dot-emacs.el

diff --git a/el/dot-emacs.el b/el/dot-emacs.el
index 7f6f3fb..efbc6ee 100644 (file)
--- a/el/dot-emacs.el
+++ b/el/dot-emacs.el
@@ -293,6 +293,56 @@ it's currently off."
         (or transient-mark-mode (setq transient-mark-mode 'only))
         (set-mark (mark t)))))
 
+;; Improved compilation machinery.
+
+(setq compile-command
+      (let ((ncpu (with-temp-buffer
+                   (insert-file-contents "/proc/cpuinfo")
+                   (buffer-string)
+                   (count-matches "^processor\\s-*:"))))
+       (format "make -j%d -k" (* 2 ncpu))))
+
+(defun mdw-compilation-buffer-name (mode)
+  (concat "*" (downcase mode) ": "
+         (abbreviate-file-name default-directory) "*"))
+(setq compilation-buffer-name-function 'mdw-compilation-buffer-name)
+
+(eval-after-load "compile"
+  '(progn
+     (define-key compilation-shell-minor-mode-map "\C-c\M-g" 'recompile)))
+
+(defun mdw-compile (command &optional directory comint)
+  "Initiate a compilation COMMAND, maybe in a different DIRECTORY.
+The DIRECTORY may be nil to not change.  If COMINT is t, then
+start an interactive compilation.
+
+Interactively, prompt for the command if the variable
+`compilation-read-command' is non-nil, or if requested through
+the prefix argument.  Prompt for the directory, and run
+interactively, if requested through the prefix.
+
+Use a prefix of 4, 6, 12, or 14, or type C-u between one and three times, to
+force prompting for a directory.
+
+Use a prefix of 2, 6, 10, or 14, or type C-u three times, to force
+prompting for the command.
+
+Use a prefix of 8, 10, 12, or 14, or type C-u twice or three times,
+to force interactive compilation."
+  (interactive
+   (let* ((prefix (prefix-numeric-value current-prefix-arg))
+         (command (eval compile-command))
+         (dir (and (plusp (logand prefix #x54))
+                   (read-directory-name "Compile in directory: "))))
+     (list (if (or compilation-read-command
+                  (plusp (logand prefix #x42)))
+              (compilation-read-command command)
+            command)
+          dir
+          (plusp (logand prefix #x58)))))
+  (let ((default-directory (or directory default-directory)))
+    (compile command comint)))
+
 ;; Functions for sexp diary entries.
 
 (defun mdw-not-org-mode (form)
@@ -3892,6 +3942,25 @@ there is sadness."
   (beginning-of-line)
   (forward-line (- arg)))
 
+(defun mdw-mpc-playlist-add (&optional arg interactivep)
+  (interactive (list current-prefix-arg t))
+  (let ((mpc-select mpc-select))
+    (when (or arg (and interactivep (use-region-p)))
+      (setq mpc-select nil)
+      (mdw-mpc-hack-lines arg interactivep 'mdw-mpc-select-one))
+    (setq mpc-select (reverse mpc-select))
+    (mpc-playlist-add)))
+
+(defun mdw-mpc-playlist-delete (&optional arg interactivep)
+  (interactive (list current-prefix-arg t))
+  (setq mpc-select (nreverse mpc-select))
+  (mpc-select-save
+    (when (or arg (and interactivep (use-region-p)))
+      (setq mpc-select nil)
+      (mpc-selection-refresh)
+      (mdw-mpc-hack-lines arg interactivep 'mdw-mpc-select-one))
+      (mpc-playlist-delete)))
+
 (defun mdw-mpc-hack-tagbrowsers ()
   (setq-local mode-line-format
              '("%e"
@@ -3928,8 +3997,8 @@ there is sadness."
      (setq mpc-songs-mode-map (make-sparse-keymap))
      (set-keymap-parent mpc-songs-mode-map mpc-mode-map)
      (define-key mpc-songs-mode-map "l" 'mpc-playlist)
-     (define-key mpc-songs-mode-map "+" 'mpc-playlist-add)
-     (define-key mpc-songs-mode-map "-" 'mpc-playlist-delete)
+     (define-key mpc-songs-mode-map "+" 'mdw-mpc-playlist-add)
+     (define-key mpc-songs-mode-map "-" 'mdw-mpc-playlist-delete)
      (define-key mpc-songs-mode-map "\r" 'mpc-songs-jump-to)))
 
 ;;;--------------------------------------------------------------------------