dot/emacs: Key bindings for Devhelp.
[profile] / el / dot-emacs.el
index e341b93..f917905 100644 (file)
@@ -321,6 +321,43 @@ Evil key bindings are defined in `mdw-evil-keymap-keys'."
       org-export-docbook-xslt-stylesheet
       "/usr/share/xml/docbook/stylesheet/docbook-xsl/fo/docbook.xsl")
 
+;; Some hacks to do with window placement.
+
+(defun mdw-clobber-other-windows-showing-buffer (buffer-or-name)
+  "Arrange that no windows on other frames are showing BUFFER-OR-NAME."
+  (interactive "bBuffer: ")
+  (let ((home-frame (selected-frame))
+       (buffer (get-buffer buffer-or-name))
+       (safe-buffer (get-buffer "*scratch*")))
+    (mapc (lambda (frame)
+           (or (eq frame home-frame)
+               (mapc (lambda (window)
+                       (and (eq (window-buffer window) buffer)
+                            (set-window-buffer window safe-buffer)))
+                     (window-list frame))))
+         (frame-list))))
+
+(defvar mdw-inhibit-walk-windows nil
+  "If non-nil, then `walk-windows' does nothing.
+This is used by advice on `switch-to-buffer-other-frame' to inhibit finding
+buffers in random frames.")
+
+(defadvice walk-windows (around mdw-inhibit activate)
+  "If `mdw-inhibit-walk-windows' is non-nil, then do nothing."
+  (and (not mdw-inhibit-walk-windows)
+       ad-do-it))
+
+(defadvice switch-to-buffer-other-frame
+    (around mdw-always-new-frame activate)
+  "Always make a new frame.
+Even if an existing window in some random frame looks tempting."
+  (let ((mdw-inhibit-walk-windows t)) ad-do-it))
+
+(defadvice display-buffer (before mdw-inhibit-other-frames activate)
+  "Don't try to do anything fancy with other frames.
+Pretend they don't exist.  They might be on other display devices."
+  (ad-set-arg 2 nil))
+
 ;;;--------------------------------------------------------------------------
 ;;; Mail and news hacking.
 
@@ -573,10 +610,10 @@ If NEW-SESSION-P, start a new session."
        (select-window window)))))
 
 (defvar mdw-good-url-browsers
-  '(browse-url-generic
+  '(browse-url-mozilla
+    browse-url-generic
     (w3m . mdw-w3m-browse-url)
-    browse-url-w3
-    browse-url-mozilla)
+    browse-url-w3)
   "List of good browsers for mdw-good-url-browsers.
 Each item is a browser function name, or a cons (CHECK . FUNC).
 A symbol FOO stands for (FOO . FOO).")
@@ -835,6 +872,58 @@ doesn't match any of the regular expressions in
 (add-hook 'delete-frame-functions 'mdw-last-one-out-turn-off-the-lights)
 
 ;;;--------------------------------------------------------------------------
+;;; Where is point?
+
+(defvar mdw-point-overlay
+  (let ((ov (make-overlay 0 0))
+       (s "."))
+    (overlay-put ov 'priority 2)
+    (put-text-property 0 1 'display '(left-fringe vertical-bar) s)
+    (overlay-put ov 'before-string s)
+    (delete-overlay ov)
+    ov)
+  "An overlay used for showing where point is in the selected window.")
+
+(defun mdw-remove-point-overlay ()
+  "Remove the current-point overlay."
+  (delete-overlay mdw-point-overlay))
+
+(defun mdw-update-point-overlay ()
+  "Mark the current point position with an overlay."
+  (if (not mdw-point-overlay-mode)
+      (mdw-remove-point-overlay)
+    (overlay-put mdw-point-overlay 'window (selected-window))
+    (move-overlay mdw-point-overlay (point) (1+ (point)) (current-buffer))))
+
+(defvar mdw-point-overlay-buffers nil
+  "List of buffers using `mdw-point-overlay-mode'.")
+
+(define-minor-mode mdw-point-overlay-mode
+  "Indicate current line with an overlay."
+  :global nil
+  (let ((buffer (current-buffer)))
+    (setq mdw-point-overlay-buffers
+         (mapcan (lambda (buf)
+                   (if (and (buffer-live-p buf)
+                            (not (eq buf buffer)))
+                       (list buf)))
+                 mdw-point-overlay-buffers))
+    (if mdw-point-overlay-mode
+       (setq mdw-point-overlay-buffers
+             (cons buffer mdw-point-overlay-buffers))))
+  (cond (mdw-point-overlay-buffers
+        (add-hook 'pre-command-hook 'mdw-remove-point-overlay)
+        (add-hook 'post-command-hook 'mdw-update-point-overlay))
+       (t
+        (mdw-remove-point-overlay)
+        (remove-hook 'pre-command-hook 'mdw-remove-point-overlay)
+        (remove-hook 'post-command-hook 'mdw-update-point-overlay))))
+
+(define-globalized-minor-mode mdw-global-point-overlay-mode
+  mdw-point-overlay-mode
+  (lambda () (if (not (minibufferp)) (mdw-point-overlay-mode t))))
+
+;;;--------------------------------------------------------------------------
 ;;; General fontification.
 
 (defmacro mdw-define-face (name &rest body)
@@ -865,6 +954,13 @@ doesn't match any of the regular expressions in
   (((type tty) (class color)) :background "blue")
   (((type tty) (class mono)) :inverse-video t)
   (t :background "grey30"))
+(mdw-define-face match
+  (((type tty) (class color)) :background "blue")
+  (((type tty) (class mono)) :inverse-video t)
+  (t :background "blue"))
+(mdw-define-face mc/cursor-face
+  (((type tty) (class mono)) :inverse-video t)
+  (t :background "red"))
 (mdw-define-face minibuffer-prompt
   (t :weight bold))
 (mdw-define-face mode-line
@@ -1197,7 +1293,6 @@ doesn't match any of the regular expressions in
                      "explicit"        ;C++
                      "export"          ;C++
                      "extern"          ;K&R, C89
-                     "false"           ;C++, C9X macro
                      "float"           ;K&R, C89
                      "for"             ;K&R, C89
                      ;; "fortran"      ;K&R
@@ -1229,9 +1324,7 @@ doesn't match any of the regular expressions in
                      "struct"           ;K&R, C89
                      "switch"           ;K&R, C89
                      "template"         ;C++
-                     "this"             ;C++
                      "throw"            ;C++
-                     "true"             ;C++, C9X macro
                      "try"              ;C++
                      "this"             ;C++
                      "typedef"          ;C89
@@ -1266,6 +1359,11 @@ doesn't match any of the regular expressions in
                      "__typeof__"       ;GCC
                      "__volatile__"     ;GCC
                      ))
+       (c-constants
+        (mdw-regexps "false"           ;C++, C9X macro
+                     "this"             ;C++
+                     "true"             ;C++, C9X macro
+                     ))
        (preprocessor-keywords
         (mdw-regexps "assert" "define" "elif" "else" "endif" "error"
                      "ident" "if" "ifdef" "ifndef" "import" "include"
@@ -1297,6 +1395,9 @@ doesn't match any of the regular expressions in
           (list (concat "\\<\\(" c-keywords "\\)\\>")
                 '(0 font-lock-keyword-face))
 
+          (list (concat "\\<\\(" c-constants "\\)\\>")
+                '(0 font-lock-variable-name-face))
+
           ;; Handle numbers too.
           ;;
           ;; This looks strange, I know.  It corresponds to the
@@ -1401,11 +1502,11 @@ doesn't match any of the regular expressions in
                      "for" "goto" "if" "implements" "import" "instanceof"
                      "int" "interface" "long" "native" "new" "package"
                      "private" "protected" "public" "return" "short"
-                     "static" "super" "switch" "synchronized" "this"
-                     "throw" "throws" "transient" "try" "void" "volatile"
-                     "while"
+                     "static" "switch" "synchronized" "throw" "throws"
+                     "transient" "try" "void" "volatile" "while"))
 
-                     "false" "null" "true")))
+       (java-constants
+        (mdw-regexps "false" "null" "super" "this" "true")))
 
     (setq font-lock-keywords
          (list
@@ -1414,6 +1515,10 @@ doesn't match any of the regular expressions in
           (list (concat "\\<\\(" java-keywords "\\)\\>")
                 '(0 font-lock-keyword-face))
 
+          ;; Handle the magic constants defined above.
+          (list (concat "\\<\\(" java-constants "\\)\\>")
+                '(0 font-lock-variable-name-face))
+
           ;; Handle numbers too.
           ;;
           ;; The following isn't quite right, but it's close enough.
@@ -1495,6 +1600,9 @@ doesn't match any of the regular expressions in
 
 (defun mdw-fontify-scala ()
 
+  ;; Comment filling.
+  (setq mdw-fill-prefix mdw-c-comment-fill-prefix)
+
   ;; Define things to be fontified.
   (make-local-variable 'font-lock-keywords)
   (let ((scala-keywords
@@ -1506,7 +1614,7 @@ doesn't match any of the regular expressions in
                      "var" "while" "with" "yield"))
        (scala-constants
         (mdw-regexps "false" "null" "super" "this" "true"))
-       (punctuation "\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/"))
+       (punctuation "[-!%^&*=+:@#~/?\\|`]"))
 
     (setq font-lock-keywords
          (list
@@ -1591,22 +1699,22 @@ doesn't match any of the regular expressions in
   ;; Now define things to be fontified.
   (make-local-variable 'font-lock-keywords)
   (let ((csharp-keywords
-        (mdw-regexps "abstract" "as" "base" "bool" "break"
-                     "byte" "case" "catch" "char" "checked"
-                     "class" "const" "continue" "decimal" "default"
-                     "delegate" "do" "double" "else" "enum"
-                     "event" "explicit" "extern" "false" "finally"
-                     "fixed" "float" "for" "foreach" "goto"
-                     "if" "implicit" "in" "int" "interface"
-                     "internal" "is" "lock" "long" "namespace"
-                     "new" "null" "object" "operator" "out"
-                     "override" "params" "private" "protected" "public"
-                     "readonly" "ref" "return" "sbyte" "sealed"
-                     "short" "sizeof" "stackalloc" "static" "string"
-                     "struct" "switch" "this" "throw" "true"
-                     "try" "typeof" "uint" "ulong" "unchecked"
-                     "unsafe" "ushort" "using" "virtual" "void"
-                     "volatile" "while" "yield")))
+        (mdw-regexps "abstract" "as" "bool" "break" "byte" "case" "catch"
+                     "char" "checked" "class" "const" "continue" "decimal"
+                     "default" "delegate" "do" "double" "else" "enum"
+                     "event" "explicit" "extern" "finally" "fixed" "float"
+                     "for" "foreach" "goto" "if" "implicit" "in" "int"
+                     "interface" "internal" "is" "lock" "long" "namespace"
+                     "new" "object" "operator" "out" "override" "params"
+                     "private" "protected" "public" "readonly" "ref"
+                     "return" "sbyte" "sealed" "short" "sizeof"
+                     "stackalloc" "static" "string" "struct" "switch"
+                     "throw" "try" "typeof" "uint" "ulong" "unchecked"
+                     "unsafe" "ushort" "using" "virtual" "void" "volatile"
+                     "while" "yield"))
+
+       (csharp-constants
+        (mdw-regexps "base" "false" "null" "this" "true")))
 
     (setq font-lock-keywords
          (list
@@ -1615,6 +1723,10 @@ doesn't match any of the regular expressions in
           (list (concat "\\<\\(" csharp-keywords "\\)\\>")
                 '(0 font-lock-keyword-face))
 
+          ;; Handle the magic constants defined above.
+          (list (concat "\\<\\(" csharp-constants "\\)\\>")
+                '(0 font-lock-variable-name-face))
+
           ;; Handle numbers too.
           ;;
           ;; The following isn't quite right, but it's close enough.
@@ -1654,12 +1766,12 @@ doesn't match any of the regular expressions in
 
   (let ((fsharp-keywords
         (mdw-regexps "abstract" "and" "as" "assert" "atomic"
-                     "base" "begin" "break"
+                     "begin" "break"
                      "checked" "class" "component" "const" "constraint"
                      "constructor" "continue"
                      "default" "delegate" "do" "done" "downcast" "downto"
                      "eager" "elif" "else" "end" "exception" "extern"
-                     "false" "finally" "fixed" "for" "fori" "fun" "function"
+                     "finally" "fixed" "for" "fori" "fun" "function"
                      "functor"
                      "global"
                      "if" "in" "include" "inherit" "inline" "interface"
@@ -1667,20 +1779,21 @@ doesn't match any of the regular expressions in
                      "lazy" "let"
                      "match" "measure" "member" "method" "mixin" "module"
                      "mutable"
-                     "namespace" "new" "null"
-                     "object""of" "open" "or" "override"
+                     "namespace" "new"
+                     "object" "of" "open" "or" "override"
                      "parallel" "params" "private" "process" "protected"
                      "public" "pure"
                      "rec" "recursive" "return"
                      "sealed" "sig" "static" "struct"
-                     "tailcall" "then" "to" "trait" "true" "try" "type"
+                     "tailcall" "then" "to" "trait" "try" "type"
                      "upcast" "use"
                      "val" "virtual" "void" "volatile"
                      "when" "while" "with"
                      "yield"))
 
        (fsharp-builtins
-        (mdw-regexps "asr" "land" "lor" "lsl" "lsr" "lxor" "mod"))
+        (mdw-regexps "asr" "land" "lor" "lsl" "lsr" "lxor" "mod"
+                     "base" "false" "null" "true"))
 
        (bang-keywords
         (mdw-regexps "do" "let" "return" "use" "yield"))
@@ -1883,7 +1996,6 @@ doesn't match any of the regular expressions in
 
 ;; Perl indentation style.
 
-(fset 'perl-mode 'cperl-mode)
 (setq cperl-indent-level 2)
 (setq cperl-continued-statement-offset 2)
 (setq cperl-continued-brace-offset 0)
@@ -2050,99 +2162,26 @@ strip numbers instead."
   (mdw-post-config-mode-hack))
 
 ;;;--------------------------------------------------------------------------
-;;; ARM assembler programming configuration.
-
-;; There doesn't appear to be an Emacs mode for this yet.
-;;
-;; Better do something about that, I suppose.
-
-(defvar arm-assembler-mode-map nil)
-(defvar arm-assembler-abbrev-table nil)
-(defvar arm-assembler-mode-syntax-table (make-syntax-table))
-
-(or arm-assembler-mode-map
-    (progn
-      (setq arm-assembler-mode-map (make-sparse-keymap))
-      (define-key arm-assembler-mode-map "\C-m" 'arm-assembler-newline)
-      (define-key arm-assembler-mode-map [C-return] 'newline)
-      (define-key arm-assembler-mode-map "\t" 'tab-to-tab-stop)))
-
-(defun arm-assembler-mode ()
-  "Major mode for ARM assembler programs"
-  (interactive)
-
-  ;; Do standard major mode things.
-  (kill-all-local-variables)
-  (use-local-map arm-assembler-mode-map)
-  (setq local-abbrev-table arm-assembler-abbrev-table)
-  (setq major-mode 'arm-assembler-mode)
-  (setq mode-name "ARM assembler")
-
-  ;; Set up syntax table.
-  (set-syntax-table arm-assembler-mode-syntax-table)
-  (modify-syntax-entry ?;   ; Nasty hack
-                      "<" arm-assembler-mode-syntax-table)
-  (modify-syntax-entry ?\n ">" arm-assembler-mode-syntax-table)
-  (modify-syntax-entry ?_ "_" arm-assembler-mode-syntax-table)
-  (modify-syntax-entry ?' "\"'" arm-assembler-mode-syntax-table)
-
-  (make-local-variable 'comment-start)
-  (setq comment-start ";")
-  (make-local-variable 'comment-end)
-  (setq comment-end "")
-  (make-local-variable 'comment-column)
-  (setq comment-column 48)
-  (make-local-variable 'comment-start-skip)
-  (setq comment-start-skip ";+[ \t]*")
-
-  ;; Play with indentation.
-  (make-local-variable 'indent-line-function)
-  (setq indent-line-function 'indent-relative-maybe)
-
-  ;; Set fill prefix.
-  (mdw-standard-fill-prefix "\\([ \t]*;+[ \t]*\\)")
-
-  ;; Fiddle with fontification.
-  (make-local-variable 'font-lock-keywords)
-  (setq font-lock-keywords
-       (list
-
-        ;; Handle numbers too.
-        ;;
-        ;; The following isn't quite right, but it's close enough.
-        (list (concat "\\("
-                      "&[0-9a-fA-F]+\\|"
-                      "\\<[0-9]+\\(\\.[0-9]*\\|_[0-9a-zA-Z]+\\|\\)"
-                      "\\)")
-              '(0 mdw-number-face))
-
-        ;; Do something about operators.
-        (list "^[^ \t]*[ \t]+\\(GET\\|LNK\\)[ \t]+\\([^;\n]*\\)"
-              '(1 font-lock-keyword-face)
-              '(2 font-lock-string-face))
-        (list ":[a-zA-Z]+:"
-              '(0 font-lock-keyword-face))
-
-        ;; Do menemonics and directives.
-        (list "^[^ \t]*[ \t]+\\([a-zA-Z]+\\)"
-              '(1 font-lock-keyword-face))
-
-        ;; And anything else is punctuation.
-        (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
-              '(0 mdw-punct-face))))
-
-  (mdw-post-config-mode-hack)
-  (run-hooks 'arm-assembler-mode-hook))
-
-;;;--------------------------------------------------------------------------
 ;;; Assembler mode.
 
 (defun mdw-fontify-asm ()
   (modify-syntax-entry ?' "\"")
   (modify-syntax-entry ?. "w")
+  (modify-syntax-entry ?; "."
+                      )
+  (modify-syntax-entry asm-comment-char "<b")
+  (modify-syntax-entry ?\n ">")
   (setf fill-prefix nil)
   (mdw-standard-fill-prefix "\\([ \t]*;+[ \t]*\\)"))
 
+(define-derived-mode x86-asm-mode asm-mode "x86 assembler"
+  "Assembler mode variant which uses `#' as the comment character."
+  (set (make-variable-buffer-local 'asm-comment-char) ?#))
+
+(define-derived-mode arm-asm-mode asm-mode "ARM assembler"
+  "Assembler mode variant which uses `@' as the comment character."
+  (set (make-variable-buffer-local 'asm-comment-char) ?@))
+
 ;;;--------------------------------------------------------------------------
 ;;; TCL configuration.
 
@@ -3133,6 +3172,19 @@ This allows you to pass a list of arguments through `ansi-term'."
   (interactive "sHost: ")
   (ansi-term (list "ssh" host) (format "ssh@%s" host)))
 
+(defvar git-grep-command
+  "env PAGER=cat git grep --no-color -nH -e "
+  "*The default command for \\[git-grep].")
+
+(defvar git-grep-history nil)
+
+(defun git-grep (command-args)
+  "Run `git grep' with user-specified args and collect output in a buffer."
+  (interactive
+   (list (read-shell-command "Run git grep (like this): "
+                            git-grep-command 'git-grep-history)))
+  (grep command-args))
+
 ;;;--------------------------------------------------------------------------
 ;;; Inferior Emacs Lisp.