From 663963bc958268c861a1b9e25c960c1c8586db4f Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Mon, 14 Feb 2011 21:59:13 +0000
Subject: Rewrite disp to work with any output monitors.

---
 scripts/disp | 88 +++++++++++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 63 insertions(+), 25 deletions(-)

diff --git a/scripts/disp b/scripts/disp
index ed33a58..375bada 100755
--- a/scripts/disp
+++ b/scripts/disp
@@ -1,25 +1,63 @@
-#!/bin/sh
-
-set -e
-
-temp="$(mktemp)"
-xrandr -q > "$temp"
-awk '
-    BEGIN {
-        printf "xrandr "
-    }
-    $2 == "connected" { 
-        what = $1
-        res = "" 
-    }
-    /^   [0-9]/ && what != "" { 
-        printf "--output %s --mode %s ", what, $1
-        if (what == "LVDS1") printf "--same-as VGA1 "
-        what ="" 
-    }
-    END {
-        printf "\n"
-    }
-' "$temp" | sh
-
-rm -f "$temp"
+#!/usr/bin/python
+# Copyright 2011  Lars Wirzenius
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import cliapp
+import subprocess
+
+
+class Disp(cliapp.Application):
+
+    def runcmd(self, *args):
+        p = subprocess.Popen(args, stdout=subprocess.PIPE)
+        out, err = p.communicate('')
+        if p.returncode:
+            raise Exception('command failed')
+        return out
+
+    def hpixels(self, mode):
+        return int(mode.split('x')[0])
+
+    def process_args(self, args):
+        monitors = []
+        best = None
+        mode = None
+        
+        s = self.runcmd('xrandr', '-q')
+        current = None
+        for line in s.splitlines():
+            w = line.split()
+            if w[1] == 'connected':
+                monitors.append(w[0])
+                current = w[0]
+            elif line.startswith('   '):
+                if not mode or self.hpixels(mode) < self.hpixels(w[0]):
+                    best = current
+                    mode = w[0]
+
+        if not monitors:
+            raise Exception('No monitors')
+        
+        args = ['xrandr', '--output', best, '--mode', mode]
+        for m in monitors:
+            if m != best:
+                args += ['--output', m, '--same-as', best]
+        
+        print args
+        self.runcmd(*args)
+
+
+Disp().run()
-- 
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