improve function

diff --git a/emacs.d/my-mode-line.el b/emacs.d/my-mode-line.el
index e13ad33..095b415 100644 (file)
--- a/emacs.d/my-mode-line.el
+++ b/emacs.d/my-mode-line.el
@@ -28,38 +28,28 @@
   "According to the window layout, separate the windows as six types.
 Each type will have different mode line. This function return the defined
 window type."
-  (if
-      (and
-       (not (window-in-direction 'right nil t -1))
-       (not (window-in-direction 'left nil t -1))
-       (not (window-in-direction 'below nil t 1)))
-      1
-    (if
-       (and
-        (window-in-direction 'right nil t -1)
-        (not (window-in-direction 'left nil t -1))
-        (not (window-in-direction 'below nil t 1)))
-       2
-      (if
-         (and
-          (not (window-in-direction 'right nil t -1))
-          (window-in-direction 'left nil t -1)
-          (not (window-in-direction 'below nil t 1)))
-         3
-       (if
-           (and
-            (window-in-direction 'right nil t -1)
-            (not (window-in-direction 'left nil t -1))
-            (window-in-direction 'below nil t 1))
-           5
-         (if
-             (and
-              (not (window-in-direction 'right nil t -1))
-              (window-in-direction 'left nil t -1)
-              (window-in-direction 'below nil t 1))
-             6
-           4))))))
-
+  (cond ((and (not (window-in-direction 'right nil t -1))
+             (not (window-in-direction 'left nil t -1))
+             (not (window-in-direction 'below nil t 1)))
+        1)
+       ((and (window-in-direction 'right nil t -1)
+             (not (window-in-direction 'left nil t -1))
+             (not (window-in-direction 'below nil t 1)))
+        2)
+       ((and (not (window-in-direction 'right nil t -1))
+             (window-in-direction 'left nil t -1)
+             (not (window-in-direction 'below nil t 1)))
+        3)
+       ((and (window-in-direction 'right nil t -1)
+             (not (window-in-direction 'left nil t -1))
+             (window-in-direction 'below nil t 1))
+        5)
+       ((and (not (window-in-direction 'right nil t -1))
+             (window-in-direction 'left nil t -1)
+             (window-in-direction 'below nil t 1))
+        6)
+       (t
+        4)))
 
 
 (defun sd/powerline-center-theme_revised-2 ()