[gnome-tweak-tool] make extension uninstall dialog modal

[John Stowers <jstowers src gnome org>]

commit 7e2c2c95aa0c8222b78bf555f92f8c722c2d54f6
Author: John Stowers <john stowers gmail com>
Date:   Sun Mar 24 21:23:46 2013 +0100

    make extension uninstall dialog modal

 gtweak/tweakmodel.py                    |    1 +
 gtweak/tweaks/tweak_shell_extensions.py |    4 +++-
 gtweak/tweakview.py                     |    1 +
 3 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/gtweak/tweakmodel.py b/gtweak/tweakmodel.py
index c0f7b13..97cce66 100644
--- a/gtweak/tweakmodel.py
+++ b/gtweak/tweakmodel.py
@@ -42,6 +42,7 @@ TWEAK_SORT_LAST = 1e3
 LOG = logging.getLogger(__name__)
 
 class Tweak:
+    main_window = None
     def __init__(self, name, description, **options):
         self.name = name
         self.description = description
diff --git a/gtweak/tweaks/tweak_shell_extensions.py b/gtweak/tweaks/tweak_shell_extensions.py
index 9070530..63d8743 100644
--- a/gtweak/tweaks/tweak_shell_extensions.py
+++ b/gtweak/tweaks/tweak_shell_extensions.py
@@ -87,7 +87,9 @@ class _ShellExtensionTweak(Tweak):
         if os.path.exists(path):
             first_message = _("Delete an extension")        
             second_message = _("Do you want to delete the extension ")+name+"?"
-            dialog = Gtk.MessageDialog(None,0,type=Gtk.MessageType.QUESTION,
+            dialog = Gtk.MessageDialog(
+                                   self.main_window,0,
+                                   type=Gtk.MessageType.QUESTION,
                                    buttons=Gtk.ButtonsType.YES_NO,
                                    message_format=first_message)
             dialog.format_secondary_text(second_message)
diff --git a/gtweak/tweakview.py b/gtweak/tweakview.py
index 480e96e..ac8ae45 100644
--- a/gtweak/tweakview.py
+++ b/gtweak/tweakview.py
@@ -75,6 +75,7 @@ class TweakView:
         #add all tweaks
         self._tweak_vbox = builder.get_object('tweak_vbox')
         for t in sorted(self._model.tweaks, key=_sort_tweak_widgets_by_widget_type):
+            t.main_window = self._main_window
             self._tweak_vbox.pack_start(t.widget, False, False, 0)
             t.set_notify_cb(self._on_tweak_notify)