From 76cacfad48af182b1edefbdaf202b7edb4f43c81 Mon Sep 17 00:00:00 2001
From: Gonzalo Odiard <godiard@sugarlabs.org>
Date: Wed, 16 Feb 2011 17:59:37 +0000
Subject: Enable copy operation in text backend

---
diff --git a/textadapter.py b/textadapter.py
index 6857834..c3709e5 100644
--- a/textadapter.py
+++ b/textadapter.py
@@ -34,6 +34,11 @@ class TextViewer(gobject.GObject):
         self.textview.set_left_margin(50)
         self.textview.set_right_margin(50)
         self.textview.set_wrap_mode(gtk.WRAP_WORD)
+        self.textview.connect('button-release-event', \
+                self._view_buttonrelease_event_cb)
+        self.connect('selection-changed',
+                            activity._view_selection_changed_cb)
+
         activity._scrolled.add(self.textview)
         self.textview.show()
         activity._scrolled.show()
@@ -147,11 +152,19 @@ class TextViewer(gobject.GObject):
         pass
 
     def copy(self):
-        pass
+        self.textview.get_buffer().copy_clipboard(gtk.Clipboard())
 
     def update_view_size(self, _scrolled):
         pass
 
+    def _view_buttonrelease_event_cb(self, view, event):
+        self._has_selection = \
+                self.textview.get_buffer().get_selection_bounds() != ()
+        self.emit('selection-changed')
+
+    def get_has_selection(self):
+        return self._has_selection
+
     def find_set_highlight_search(self, True):
         pass
 
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