From: Iain Patterson <me@iain.cx>
Date: Thu, 14 May 2009 10:26:41 +0000 (+0100)
Subject: Resize fixes.
X-Git-Url: http://git.iain.cx/?a=commitdiff_plain;h=832105f1cffb94d0193777f6c1d3ddc98be1e24d;p=profile.git

Resize fixes.

The numberwidth variable is only available in Vim 7.  We had thought it
was available in Vim 6.
The winnr() function used to check whether any windows have &number on
is present in Vim 7.  Disable window resizing if the function isn't
available.
---

diff --git a/.vimrc b/.vimrc
index 690ad40..b6ba9a8 100644
--- a/.vimrc
+++ b/.vimrc
@@ -100,7 +100,7 @@ se hlsearch
 se titlestring=%{Show_TitleString()}
 
 " Syntax highlighting.  New versions will use syn enable instead.
-if version < 600
+if version < "600"
   syn on
 endif
 
@@ -216,7 +216,7 @@ fun! Resize_Columns(op)
   endif
 
   " Vim 5 hardcodes the size of numbers column to 8.
-  if version >= 600
+  if version >= "700"
     let l:numberwidth = &numberwidth
   else
     let l:numberwidth = 8
@@ -230,21 +230,23 @@ fun! Number()
   call Iain_Vars()
   let &number = ! &number
 
-  let l:i = 0
-  let l:num_numbers = 0
-  while l:i <= winnr("$")
-    if getwinvar(l:i, "&number") == 1
-      let l:num_numbers = l:num_numbers + 1
+  if version >= "700"
+    let l:i = 0
+    let l:num_numbers = 0
+    while l:i <= winnr("$")
+      if getwinvar(l:i, "&number") == 1
+        let l:num_numbers = l:num_numbers + 1
+      endif
+      let l:i = l:i + 1
+    endwhile
+
+    if l:num_numbers == 0
+      let g:iainextracolumns = 0
+      call Resize_Columns("-")
+    elseif g:iainextracolumns == 0
+      let g:iainextracolumns = 1
+      call Resize_Columns("+")
     endif
-    let l:i = l:i + 1
-  endwhile
-
-  if l:num_numbers == 0
-    let g:iainextracolumns = 0
-    call Resize_Columns("-")
-  elseif g:iainextracolumns == 0
-    let g:iainextracolumns = 1
-    call Resize_Columns("+")
   endif
 endfun