From 0ab5853582eb0118d55fb3feac04fd96ad24265a Mon Sep 17 00:00:00 2001
From: Michael Stone <michael@laptop.org>
Date: Tue, 17 Aug 2010 03:06:22 +0000
Subject: Support multi-line problems.

gtk.TextView knows how to render ASCII newlines.

Monospaced fonts make it easy to make pretty problems via fixed-width format
specifiers.
---
diff --git a/arithmetic.py b/arithmetic.py
index 24f2ded..6100f73 100644
--- a/arithmetic.py
+++ b/arithmetic.py
@@ -163,8 +163,8 @@ class ArithmeticActivity(groupthink.sugar_tools.GroupActivity):
         self.cloud.puzzles.register_listener(self.new_puzzles_cb)
 
         # Text entry box for question
-        self.questionentry = gtk.Entry(max=50)
-        self.questionentry.modify_font(pango.FontDescription("Sans 14"))
+        self.questionentry = gtk.TextView()
+        self.questionentry.modify_font(pango.FontDescription("Mono 14"))
         self.questionentry.set_property("editable", False)
 
         # Text entry box for answer
@@ -335,7 +335,7 @@ class ArithmeticActivity(groupthink.sugar_tools.GroupActivity):
     def start_question(self):
         self.starttime = time.time()
         self.generate_new_question()
-        self.questionentry.set_text(self.question)
+        self.questionentry.get_buffer().set_text(self.question)
         self.answergiven = False
         self.answerentry.set_text("")
         self.decisionentry.set_text("")
diff --git a/puzzles/00_addition.py b/puzzles/00_addition.py
index 71140a2..0a65e43 100644
--- a/puzzles/00_addition.py
+++ b/puzzles/00_addition.py
@@ -4,6 +4,6 @@ name = "Addition"
 def get_problem(self, difficulty):
     x = self.generate_number(difficulty)
     y = self.generate_number(difficulty)
-    question = "%s + %s" % (x, y)
+    question = "  %2d\n+ %2d" % (x, y)
     answer = x + y
     return question, answer
--
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