X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=vimrc;h=41dd8124b00fe1846168383d45a8b32f7f11cad7;hb=1d44157241bd1b310c143faa0f269e90757731cc;hp=e8e945e3bc131a82b77c96747ac4787afd2ef673;hpb=1cb1ea3259c5c74ab28ba4cc923a806a1848394c;p=config%2Fdotfiles.git

diff --git a/vimrc b/vimrc
index e8e945e..41dd812 100644
--- a/vimrc
+++ b/vimrc
@@ -156,8 +156,8 @@ set incsearch
 " Activate syntax folding.
 if has('folding')
     set foldmethod=syntax
-    " Only use fold column if we have enough space (for example in a (virtual)
-    " terminals).
+    " Only use fold column if we have enough space (for example not in a
+    " (virtual) terminal which has only 80 columns).
     if &columns > 80
         set foldcolumn=2
     endif
@@ -366,7 +366,7 @@ endif
 " modified by a plugin or other settings. Except for <Nop> which isn't
 " affected by mappings.
 
-" Easy way to exit insert mode.
+" Easy way to exit insert mode. jk is preferred because it's faster.
 inoremap jj <Esc>
 inoremap jk <Esc>
 " Also for command mode, thanks to http://github.com/mitechie/pyvim
@@ -425,7 +425,8 @@ endif
 
 " Write before suspending, thanks to deryni in #vim on Freenode (2011-05-09
 " 20:02 CEST). To suspend without saving either unmap this or use :stop<CR>.
-" Only the current buffer is written.
+" Only the current buffer is written, thus switching to another buffer works
+" too.
 nnoremap <silent> <C-Z> :update<CR>:stop<CR>
 
 " 2<C-G> gives more verbose information, use it by default. Thanks to NCS_One
@@ -441,6 +442,33 @@ nmap - <C-B>
 " (2010-05-16 18:38 CEST) for this idea.
 nnoremap <silent> gb :bnext<CR>
 nnoremap <silent> gB :bprevious<CR>
+if has('eval')
+    " But when starting again at the first buffer, print a warning which
+    " reminds me that I've already seen that buffer.
+    function! s:NextBuffer()
+        " Are we currently on the last buffer and moving to the first?
+        let l:last_buffer = 0
+        if bufnr('%') == bufnr('$') && bufnr('$') > 1
+            let l:last_buffer = 1
+        endif
+
+        " Go to the next buffer.
+        if !l:last_buffer
+            bnext
+
+        " Go to the first buffer, silent is necessary or the following message
+        " won't be displayed because it's overwritten by the status message
+        " displayed when entering a buffer.
+        else
+            silent bnext
+
+            echohl WarningMsg
+            echo 'Starting again at first buffer.'
+            echohl None
+        endif
+    endfunction
+    nnoremap <silent> gb :call <SID>NextBuffer()<CR>
+endif
 
 " Fast access to buffers.
 nnoremap <silent> <Leader>1 :1buffer<CR>