[meld] filediff: Migrate toggle actions to UI file

[Kai Willadsen <kaiw src gnome org>]

commit 99c84e70975dcee529aa94633caa85f0323da881
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sun Dec 14 08:28:58 2014 +1000

    filediff: Migrate toggle actions to UI file

 data/ui/filediff.ui |   12 +++++-------
 meld/filediff.py    |    7 -------
 2 files changed, 5 insertions(+), 14 deletions(-)
---
diff --git a/data/ui/filediff.ui b/data/ui/filediff.ui
index 58292ca..53ef4cd 100644
--- a/data/ui/filediff.ui
+++ b/data/ui/filediff.ui
@@ -162,16 +162,14 @@
       </object>
       <accelerator key="Escape" modifiers="GDK_CONTROL_MASK"/>
     </child>
-<!-- 
     <child>
-      <object class="GtkAction" id="NONE">
-        <property name="label" translatable="yes">NONE</property>
-        <property name="tooltip" translatable="yes">NONE</property>
-        <signal name="activate" handler="NONE" swapped="no"/>
+      <object class="GtkToggleAction" id="LockScrolling">
+        <property name="label" translatable="yes">Lock Scrolling</property>
+        <property name="tooltip" translatable="yes">Lock scrolling of all panes</property>
+        <property name="active">True</property>
+        <signal name="toggled" handler="on_action_lock_scrolling_toggled" swapped="no"/>
       </object>
-      <accelerator key="NONE" modifiers="NONE"/>
     </child>
- -->
   </object>
   <object class="GtkMessageDialog" id="check_save_dialog">
     <property name="can_focus">False</property>
diff --git a/meld/filediff.py b/meld/filediff.py
index 4dcfbd2..7444355 100644
--- a/meld/filediff.py
+++ b/meld/filediff.py
@@ -240,16 +240,9 @@ class FileDiff(melddoc.MeldDoc, gnomeglade.Component):
             buf.connect("notify::has-selection",
                         self.update_text_actions_sensitivity)
 
-        toggle_actions = (
-            ("LockScrolling", None, _("Lock Scrolling"), None,
-             _("Lock scrolling of all panes"),
-             self.on_action_lock_scrolling_toggled, True),
-        )
-
         self.ui_file = gnomeglade.ui_file("filediff-ui.xml")
         self.actiongroup = self.FilediffActions
         self.actiongroup.set_translation_domain("meld")
-        self.actiongroup.add_toggle_actions(toggle_actions)
 
         self.findbar = findbar.FindBar(self.grid)
         self.grid.attach(self.findbar.widget, 1, 2, 5, 1)