X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FParagraphList.h;h=7e5cc1a869ff50b54150f09d1c85d2448731ba9c;hb=d9082639080b9de993742bd352f92e5183058cf5;hp=6cb7da38c194314fe55bdfe167abef239aaba032;hpb=0be0fcfd5907d448cd51addf83ed7032719a0692;p=lyx.git

diff --git a/src/ParagraphList.h b/src/ParagraphList.h
index 6cb7da38c1..7e5cc1a869 100644
--- a/src/ParagraphList.h
+++ b/src/ParagraphList.h
@@ -4,7 +4,7 @@
  * This file is part of LyX, the document processor.
  * Licence details can be found in the file COPYING.
  *
- * \author Lars Gullik Bjønnes
+ * \author Angus Leeming
  *
  * Full author contact details are available in file CREDITS.
  */
@@ -12,14 +12,36 @@
 #ifndef PARAGRAPH_LIST_H
 #define PARAGRAPH_LIST_H
 
-#include "paragraph.h"
+#include "Paragraph.h"
 
-#include <list>
+#include "support/RandomAccessList.h"
 
-struct ParagraphList : public std::list<Paragraph>
-{
+
+namespace lyx {
+
+/// Container for all kind of Paragraphs used in LyX.
+class ParagraphList : public RandomAccessList<Paragraph> {
+public:
+	///
+	ParagraphList() {}
+	///
+	template<class InputIterator>
+	ParagraphList(InputIterator first, InputIterator last)
+		: RandomAccessList<Paragraph>(first, last)
+	{}
+
+	const Paragraph * getParagraphBefore(const_iterator const & par) const
+	{
+		// No previous paragraph.
+		if (par == begin())
+			return nullptr;
+
+		auto prevpar = par;
+		--prevpar;
+		return &*prevpar;
+	}
 };
 
-typedef std::pair<ParagraphList::iterator, int> PitPosPair;
+} // namespace lyx
 
 #endif