From 6371b338a62a97df0c6667c51ea627124d1d136d Mon Sep 17 00:00:00 2001
From: fuzzgun <bob@sluggish.dyndns.org>
Date: Tue, 14 May 2013 17:32:10 +0100
Subject: [PATCH] Avoid an unnecessary query if there are no items in the
 messaging menu

---
 src/bitmessageqt/__init__.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/bitmessageqt/__init__.py b/src/bitmessageqt/__init__.py
index 31c89ea6..d83c0fa4 100644
--- a/src/bitmessageqt/__init__.py
+++ b/src/bitmessageqt/__init__.py
@@ -626,6 +626,11 @@ class MyForm(QtGui.QMainWindow):
         if not withMessagingMenu:
             return
 
+        # if there are no items on the messaging menu then
+        # the subsequent query can be avoided
+        if not (self.mmapp.has_source("Subscriptions") or self.mmapp.has_source("Messages")):
+            return
+
         shared.sqlLock.acquire()
         shared.sqlSubmitQueue.put('''SELECT toaddress, read FROM inbox WHERE msgid=?''')
         shared.sqlSubmitQueue.put(inventoryHash)