From 6f173f11f30d88c6ba762ac8fe34f8e0cf321f13 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20A=C3=9Fmus?= <superstippi@gmx.de>
Date: Sun, 26 Jan 2014 15:17:52 +0100
Subject: [PATCH] TextDocument: Don't leave empty paragraphs when inserting
 line-breaks.

Instead, add one empty TextSpan. This commit resolves the last of the
very obvious problems when editing. More subtle ones may still surface.
---
 src/apps/haiku-depot/textview/TextDocument.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/apps/haiku-depot/textview/TextDocument.cpp b/src/apps/haiku-depot/textview/TextDocument.cpp
index 10709e8b59..d1fb07558a 100644
--- a/src/apps/haiku-depot/textview/TextDocument.cpp
+++ b/src/apps/haiku-depot/textview/TextDocument.cpp
@@ -155,6 +155,14 @@ TextDocument::Insert(int32 textOffset, const BString& text,
 			chunkStart = chunkEnd + 1;
 		}
 
+		if (paragraph2.IsEmpty()) {
+			// Make sure Paragraph has at least one TextSpan, even
+			// if its empty.
+			const TextSpanList& spans = paragraph1.TextSpans();
+			const TextSpan& span = spans.LastItem();
+			paragraph2.Append(TextSpan("", span.Style()));
+		}
+
 		if (!fParagraphs.Add(paragraph2, index))
 			return B_NO_MEMORY;
 	} else {