From: Iain Patterson <me@iain.cx>
Date: Tue, 23 Jun 2009 10:39:19 +0000 (+0100)
Subject: Resize windows inside screen.
X-Git-Url: http://git.iain.cx/?p=profile.git;a=commitdiff_plain;h=732626fa6ddea589ef0e67d3627ebb42f81734d4

Resize windows inside screen.
---

diff --git a/.screenrc b/.screenrc
index df17c1d..9624f7c 100644
--- a/.screenrc
+++ b/.screenrc
@@ -39,6 +39,8 @@ bind V hardstatus alwaysignore
 ################################################################################
 # How to set the foreground and background colours.
 termcapinfo putty*|rxvt-unicode|xterm-* 'AB=\E[48;5;%dm:AF=\E[38;5;%dm'
+# How to resize the window.
+termcapinfo putty*|rxvt-unicode|xterm-* 'WS=\E[8;%d;%dt'
 # How to set the hardstatus line (ie title bar).  Even though we don't use it.
 termcapinfo xterm* 'ts=\E]0;:fs=\007:ds=\E]0;\007'
 # Allow PgUp/PgDn to work correctly.
diff --git a/.vimrc b/.vimrc
index 96f8a1f..98c3c52 100644
--- a/.vimrc
+++ b/.vimrc
@@ -214,12 +214,6 @@ endfun
 
 " Grow or shrink the window size.
 fun! Resize_Columns(op)
-  " XXX: This won't work inside screen.
-  " We should really detect whether it would work rather than assume it won't.
-  if &term =~ '^screen'
-    return
-  endif
-
   " Vim 5 hardcodes the size of numbers column to 8.
   if version >= "700"
     let l:numberwidth = &numberwidth
@@ -227,7 +221,20 @@ fun! Resize_Columns(op)
     let l:numberwidth = 8
   endif
 
-  exec "se columns" . a:op . "=" . l:numberwidth
+  let l:resize = "se columns" . a:op . "=" . l:numberwidth
+
+  " HACK: Inside screen there is an extra line for the status bar.  Vim
+  " manages the resize by sending an escape sequence to set the number of
+  " lines and number of columns in one action.  To do this it will first query
+  " the number of lines and then set <same number of lines> by <new number of
+  " columns>.  Because of the extra line for the status bar this results in
+  " the real terminal being shrunk by a line.  We ask for the terminal to grow
+  " by a line so it ends up actually being the same.
+  if &term =~ '^screen'
+    let l:resize .= " lines+=1"
+  endif
+
+  exec l:resize
 endfun
 
 " Toggle number display.