From d9db9323afaf2afd1d5f489bffa6b7fbab76fb32 Mon Sep 17 00:00:00 2001
From: Cristhofer Travieso <cristhofert97@gmail.com>
Date: Tue, 21 May 2013 20:52:50 +0000
Subject: Add new  button

Signed-off-by: Cristhofer Travieso <cristhofert97@gmail.com>
---
diff --git a/canvas.py b/canvas.py
index 1162dec..6d4acb8 100644
--- a/canvas.py
+++ b/canvas.py
@@ -25,6 +25,29 @@ class Canvas(Gtk.VBox):
 	self.entry = Gtk.Entry()
 	self.add(self.entry)
 	
+	table = Gtk.Table()
+	
+	number = []
+	for i in range(0, 10):
+	    button = Gtk.Button(i)
+	    button.connect('clicked', self.add_character)
+	    number.append(button)
+	
+	sign = []
+	for i in ['+', '-', '*', '/']:
+	    button = Gtk.Button(i)
+	    button.connect('clicked', self.add_character)
+	    sign.append(button)
+
+	equals_button = Gtk.Button('=')
+	equals_button.connect('clicked', self.work)
+	self.add(equals_button)
+
+    def add_character(self, widget):
+        text = widget.get_label()
+        text_a = self.entrada.get_text()
+        text_end = text_a + text
+        self.entry.set_text(text_end)
 
     def work(self, widget):
         entry_text = self.entry.get_text()
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