emacs - improve

[dotfiles.git] / emacs.d / elisp / utilities.el

diff --git a/emacs.d/elisp/utilities.el b/emacs.d/elisp/utilities.el
index 3f4fcd1..e6d8eff 100644 (file)
--- a/emacs.d/elisp/utilities.el
+++ b/emacs.d/elisp/utilities.el
@@ -33,9 +33,56 @@
     (delete-region (point-min) (point))
     (goto-char (- (point-max) current-point))))
 
+(defun sd/delete-current-window ()
+  (interactive)
+  (if (> (length (window-list)) 1)
+      (delete-window)
+    (message "Only one Windows now!")))
+
 
+(defun sd/toggle-max-windows ()
+  "Set maximize current if there are multiple windows, if only
+one window, window undo"
+  (interactive)
+  (if (equal  (length (window-list)) 1)
+      (winner-undo)
+    (delete-other-windows)))
 
 
+(defun sd/kill-region-or-backward-kill-word ()
+  "Delete the region if it exists, otherwise kill a word backward."
+  (interactive)
+  (if (region-active-p)
+      (kill-region (point) (mark))
+    (backward-kill-word 1)))
+
+;; https://www.emacswiki.org/emacs/TransparentEmacs
+(defun sd/transparency (value)
+  "Sets the transparency of the frame window with a value from 0 to 100."
+  (interactive "nTransparency Value 0 - 100 opague:(default 80) ")
+  (set-frame-parameter (select-frame) 'alpha value))
+
+(defun sd/toggle-transparency ()
+  "Enable or disable transparency"
+  (interactive)
+  (let ((alpha (frame-parameter nil 'alpha)))
+    (set-frame-parameter nil 'alpha
+                        (if (eql alpha 80)
+                            100
+                          80))))
+
+(defun my-open-scratch-in-project  ()
+  "Create or open scratch buffer under currrent project."
+  (interactive)
+  (let (ret)
+    (dolist (buf (projectile-project-buffers) ret)
+      (if (string-match "*scratch*" (buffer-name buf))
+         (setq ret buf)))
+    (if ret
+       (switch-to-buffer ret)
+      (switch-to-buffer (format "*scratch*<%s>" (projectile-project-name)))
+      (funcall initial-major-mode)
+      (insert (format ";; %s under  %s project\n\n" (buffer-name) (projectile-project-name))))))
 
 (provide 'utilities)
 ;;; utilities.el ends here