From 1829622b6e6aaa74b5a7fa67fad955da47897c83 Mon Sep 17 00:00:00 2001
From: Charles Haley <>
Date: Tue, 25 Oct 2011 08:31:57 +0200
Subject: [PATCH] Partial fix for #874118 -- prevent changing metadata
 management while a device is connected

---
 src/calibre/gui2/preferences/sending.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/calibre/gui2/preferences/sending.py b/src/calibre/gui2/preferences/sending.py
index ac4abbcf41..c6cc7da754 100644
--- a/src/calibre/gui2/preferences/sending.py
+++ b/src/calibre/gui2/preferences/sending.py
@@ -29,6 +29,10 @@ class ConfigWidget(ConfigWidgetBase, Ui_Form):
                 (_('Only on send'), 'on_send'),
                 (_('Automatic management'), 'on_connect')]
         r('manage_device_metadata', prefs, choices=choices)
+        if gui.device_manager.is_device_connected:
+            self.opt_manage_device_metadata.setEnabled(False)
+            self.opt_manage_device_metadata.setToolTip(
+                _('Cannot change metadata management while a device is connected'))
 
         self.send_template.changed_signal.connect(self.changed_signal.emit)