From e995825e47cadf22de98a80a1390e0ac40c15d8e Mon Sep 17 00:00:00 2001
From: Alan Aguiar <alanjas@hotmail.com>
Date: Wed, 25 Dec 2013 17:14:29 +0000
Subject: add remove button

---
diff --git a/activity.py b/activity.py
index e6437b5..7b7032a 100755
--- a/activity.py
+++ b/activity.py
@@ -58,6 +58,11 @@ class Activity(activity.Activity):
         add_point.set_tooltip(_("Add a point"))
         toolbar_box.toolbar.insert(add_point, -1)
 
+        rem_point = ToolButton("row-remove")
+        rem_point.connect("clicked", self._remove_point)
+        rem_point.set_tooltip(_("Remove the selected point"))
+        toolbar_box.toolbar.insert(rem_point, -1)
+
         # separator and stop button
         separator = gtk.SeparatorToolItem()
         separator.props.draw = False
@@ -123,6 +128,10 @@ class Activity(activity.Activity):
     def _add_point(self, widget, label="", value="City"):
         pos = self.labels_and_values.add_value(label, value)
 
+    def _remove_point(self, widget):
+        path = self.labels_and_values.remove_selected_value()
+        self._update_points()
+
     def _add_coor(self, pos):
         if self._image is not None:
             self.labels_and_values.update_selected_value(pos)
diff --git a/conozco.py b/conozco.py
index 0ac2618..86bf4dd 100755
--- a/conozco.py
+++ b/conozco.py
@@ -469,6 +469,7 @@ class Conozco():
         x = int(image.get_width() * scale)
         y = int(image.get_height() * scale)
         self.fondo = pygame.transform.scale(image, (x,y))
+        self.pantalla.fill((0,0,0))
         self.pantalla.blit(self.fondo, (shift_x, shift_y))
 
     def showName(self, text, pos, font, color=(0,0,0)):
@@ -478,6 +479,7 @@ class Conozco():
         self.pantalla.blit(t, r)
 
     def update_points(self, l):
+        self.pantalla.fill((0,0,0))
         self.pantalla.blit(self.fondo, (shift_x, shift_y))
         for p in l:
             name = p[0]
diff --git a/points_list.py b/points_list.py
index fef1abd..142b615 100644
--- a/points_list.py
+++ b/points_list.py
@@ -61,9 +61,10 @@ class Data(gtk.TreeView):
 
     def remove_selected_value(self):
         path, column = self.get_cursor()
-        path = path[0]
-        model, iter = self.get_selection().get_selected()
-        self.model.remove(iter)
+        if path is not None:
+            path = path[0]
+            model, iter = self.get_selection().get_selected()
+            self.model.remove(iter)
         return path
 
     def update_selected_value(self, data):
--
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