From 83a6c1a983cc791c494570d95ac19381bf7d92f8 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Sun, 25 Dec 2016 12:46:06 -0500
Subject: [PATCH] record screen layout when drawing

---
 src/gui/BufferPane.cc | 2 ++
 src/gui/BufferPane.h  | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src/gui/BufferPane.cc b/src/gui/BufferPane.cc
index 4a4519e..648977b 100644
--- a/src/gui/BufferPane.cc
+++ b/src/gui/BufferPane.cc
@@ -147,6 +147,7 @@ int BufferPane::update_cursor_row(std::list<std::pair<int, Buffer::Iterator>> &
 
 void BufferPane::draw()
 {
+    m_screen_lines.clear();
     if (m_iterator->valid())
     {
         std::list<std::pair<int, Buffer::Iterator>> backward_lines;
@@ -168,6 +169,7 @@ void BufferPane::draw()
         }
         while (screen_row <= m_rows)
         {
+            m_screen_lines.push_back(std::pair<int, Buffer::Iterator>(screen_row, i));
             screen_row += draw_buffer_line(screen_row, i);
             if (!i.go_next_line())
             {
diff --git a/src/gui/BufferPane.h b/src/gui/BufferPane.h
index 520ed1a..348b211 100644
--- a/src/gui/BufferPane.h
+++ b/src/gui/BufferPane.h
@@ -61,6 +61,7 @@ protected:
     int m_cursor_screen_row;
     int m_cursor_virtual_column;
     std::shared_ptr<Buffer::Iterator> m_iterator;
+    std::list<std::pair<int, Buffer::Iterator>> m_screen_lines;
 };
 
 #endif