From: Simon Tatham <anakin@pobox.com>
Date: Thu, 7 Dec 2023 21:26:57 +0000 (+0000)
Subject: Fix a crash when hitting Return in the editor.
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=b1d0d1f98c90a6563507c91338e8a04ffd618fea;p=mastodonochrome.git

Fix a crash when hitting Return in the editor.
---

diff --git a/cursesclient.py b/cursesclient.py
index 29e11d5..9ad2772 100644
--- a/cursesclient.py
+++ b/cursesclient.py
@@ -712,6 +712,8 @@ class Composer:
                     self.lines.append(text.ColouredString(""))
                     y += 1
                 pos = next_nl + 1
+            if pos == len(self.cs):
+                self.yx[pos] = y, 0
 
     def __init__(self, cc, initial_text="", reply_header=None, reply_id=None):
         self.cc = cc
@@ -900,3 +902,8 @@ class testComposerLayout(unittest.TestCase):
         t.layout(10)
         self.assertEqual(t.lines, [])
         self.assertEqual(t.yx, [(0,0)])
+
+        t = Composer.DisplayText("\n")
+        t.layout(10)
+        self.assertEqual(t.lines, [text.ColouredString("")])
+        self.assertEqual(t.yx, [(0,0),(1,0)])