From 06e6c28ac74633515dbc7a372ce4b5db998350d3 Mon Sep 17 00:00:00 2001
From: Vincent Bernat <vincent@bernat.im>
Date: Thu, 23 Jul 2015 13:30:26 +0200
Subject: [PATCH] theme: get scale factor from Xft.dpi

And uses xrdb as it is easier to do this way.
---
 rc/theme.lua | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/rc/theme.lua b/rc/theme.lua
index fa28809..cceeebe 100644
--- a/rc/theme.lua
+++ b/rc/theme.lua
@@ -4,16 +4,16 @@ local na = awful.util.color_strip_alpha
 local icons = awful.util.getdir("config") .. "/icons"
 
 local function scale()
-   local xdpyinfo = io.popen("xdpyinfo")
-   if xdpyinfo then
-      for line in xdpyinfo:lines() do
-	 output = line:match("^%s*resolution:%s+(%d+)x%d+ dots per inch$")
+   local xrdb = io.popen("xrdb -query")
+   if xrdb then
+      for line in xrdb:lines() do
+	 output = line:match("^Xft.dpi:\t(%d+)$")
 	 if output then
-            xdpyinfo:close()
+            xrdb:close()
 	    return tonumber(output)/96
 	 end
       end
-      xdpyinfo:close()
+      xrdb:close()
    end
    return 1
 end