Merge pull request #1676 from carlesalbasboix/add_navigation_mouse_buttons

Author: Nick-Hall

gramps/gui/views/navigationview.py

@@ -382,6 +382,8 @@ def fwd_clicked(self, *obj):
         Move forward one object in the history.
         """
         hobj = self.get_history()
+        if hobj.lock:
+            return
         hobj.lock = True
         if not hobj.at_end():
             hobj.forward()
@@ -395,6 +397,8 @@ def back_clicked(self, *obj):
         Move backward one object in the history.
         """
         hobj = self.get_history()
+        if hobj.lock:
+            return
         hobj.lock = True
         if not hobj.at_front():
             hobj.back()
@@ -486,6 +490,19 @@ def key_press_handler(self, widget, event):
                     return True
         return super(NavigationView, self).key_press_handler(widget, event)
 
+    def button_press_handler(self, widget, event):
+        """
+        Handle forward and backward buttons, or pass it on.
+        """
+        if self.active:
+            if event.button == 8:
+                self.back_clicked()
+                return True
+            elif event.button == 9:
+                self.fwd_clicked()
+                return True
+        return super(NavigationView, self).button_press_handler(widget, event)
+
     def call_copy(self):
         """
         Navigation specific copy (control+c) hander. If the

gramps/gui/views/pageview.py

@@ -130,6 +130,7 @@ def __init__(self, title, pdata, dbstate, uistate):
         self.dbstate.connect("no-database", self.disable_action_group)
         self.dbstate.connect("database-changed", self.enable_action_group)
         self.uistate.window.connect("key-press-event", self.key_press_handler)
+        self.uistate.window.connect("button-press-event", self.button_press_handler)
 
         self.model = None
         self.selection = None
@@ -264,6 +265,13 @@ def key_press_handler(self, widget, event):
         """
         return False
 
+    def button_press_handler(self, widget, event):
+        """
+        A general button press handler. Override if you want to handle
+        special buttons, like forward or backward.
+        """
+        return False
+
     def copy_to_clipboard(self, objclass, handles):
         """
         This code is called on Control+C in a navigation view. If the