From a05fc37d9433670e0aed906e1a27c092c31ce478 Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Wed, 22 Apr 2009 22:10:14 +0900
Subject: [PATCH] check if anki is already open and prompt user

---
 ankiqt/__init__.py | 3 ++-
 ankiqt/ui/main.py  | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/ankiqt/__init__.py b/ankiqt/__init__.py
index 5b08d732a..bcdc8fb83 100644
--- a/ankiqt/__init__.py
+++ b/ankiqt/__init__.py
@@ -173,7 +173,8 @@ def run():
     except (IOError, OSError):
         pass
 
-    app.exec_()
+    if not mw.abortOpen:
+        app.exec_()
 
 if __name__ == "__main__":
     run()
diff --git a/ankiqt/ui/main.py b/ankiqt/ui/main.py
index 4c33536d8..36c6363a0 100644
--- a/ankiqt/ui/main.py
+++ b/ankiqt/ui/main.py
@@ -33,6 +33,7 @@ class AnkiQt(QMainWindow):
         QMainWindow.__init__(self)
         self.errorOccurred = False
         self.inDbHandler = False
+        self.abortOpen = False
         if sys.platform.startswith("darwin"):
             qt_mac_set_menubar_icons(False)
         ankiqt.mw = self
@@ -631,6 +632,12 @@ To upgrade an old deck, download Anki 0.9.8.7."""))
             r = self.loadDeck(path, interactive=False, sync=False)
             if r:
                 return r
+            else:
+                # deck is already open
+                if not ui.utils.askUser(
+                    _("Anki is already open. Open another copy?")):
+                    self.abortOpen = True
+                    return
         self.onNew(initial=True)
 
     def getDefaultDir(self, save=False):