[gnome-shell/wip/window-scales] gross hack to make things work with HiDPI gtk+

[Alexander Larsson <alexl src gnome org>]

commit b1b0b6cfe8285286fc98fe7eb85782c1ac9fe9ac
Author: Alexander Larsson <alexl redhat com>
Date:   Wed Jul 3 15:16:49 2013 +0200

    gross hack to make things work with HiDPI gtk+
    
    We temporatily set GDK_SCALE to 1 when initializing Gtk+ so that
    we get the old non-hidpi behaviour.

 src/main.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/main.c b/src/main.c
index ace5947..4e7fc4f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -386,6 +386,8 @@ main (int argc, char **argv)
   bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
   textdomain (GETTEXT_PACKAGE);
 
+  g_setenv ("GDK_SCALE", "1", TRUE);
+
   ctx = meta_get_option_context ();
   g_option_context_add_main_entries (ctx, gnome_shell_options, GETTEXT_PACKAGE);
   if (!g_option_context_parse (ctx, &argc, &argv, &error))
@@ -435,6 +437,8 @@ main (int argc, char **argv)
 
   _shell_global_init ("session-mode", session_mode, NULL);
 
+  g_unsetenv ("GDK_SCALE");
+
   ecode = meta_run ();
 
   if (g_getenv ("GNOME_SHELL_ENABLE_CLEANUP"))