From 935049c1b39956c14e109ca52761ea352f101e3f Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 1 Oct 2012 08:56:03 +0530
Subject: [PATCH] Debug prints for failure to load styles

---
 src/calibre/gui2/__init__.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/calibre/gui2/__init__.py b/src/calibre/gui2/__init__.py
index 69cafebdef..0ac0783bd5 100644
--- a/src/calibre/gui2/__init__.py
+++ b/src/calibre/gui2/__init__.py
@@ -12,6 +12,7 @@ from PyQt4.Qt import (QVariant, QFileInfo, QObject, SIGNAL, QBuffer, Qt,
 
 ORG_NAME = 'KovidsBrain'
 APP_UID  = 'libprs500'
+from calibre import prints
 from calibre.constants import (islinux, iswindows, isbsd, isfrozen, isosx,
         plugins, config_dir, filesystem_encoding, DEBUG)
 from calibre.utils.config import Config, ConfigProxy, dynamic, JSONConfig
@@ -796,7 +797,8 @@ class Application(QApplication):
 
         path = os.path.join(sys.extensions_location, 'calibre_style.'+(
             'pyd' if iswindows else 'so'))
-        self.pi.load_style(path, 'Calibre')
+        if not self.pi.load_style(path, 'Calibre'):
+            prints('Failed to load calibre style')
         # On OSX, on some machines, colors can be invalid. See https://bugs.launchpad.net/bugs/1014900
         for role in (orig_pal.Button, orig_pal.Window):
             c = orig_pal.brush(role).color()
@@ -853,6 +855,8 @@ class Application(QApplication):
             except:
                 import traceback
                 traceback.print_exc()
+            if not depth_ok:
+                prints('Color depth is less than 32 bits disabling modern look')
 
         if force_calibre_style or (depth_ok and gprefs['ui_style'] !=
                 'system'):