From 85dbf75b11de81bbddd4b48b4b8c5111cde8df48 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Sat, 7 Jan 2017 15:03:51 -0500
Subject: [PATCH] add Buffer::add_cursor()

---
 src/core/Buffer.h       | 7 +++++++
 src/gui/BufferPane.cc   | 2 +-
 test/src/test_Buffer.cc | 4 ++--
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/core/Buffer.h b/src/core/Buffer.h
index 6b0daa9..a242140 100644
--- a/src/core/Buffer.h
+++ b/src/core/Buffer.h
@@ -105,6 +105,12 @@ public:
         m_iterators.push_back(iterator);
         return iterator;
     }
+    std::shared_ptr<Iterator> add_cursor()
+    {
+        auto iterator = add_iterator();
+        m_cursors.push_back(iterator);
+        return iterator;
+    }
     auto get_string() { return m_gap_buffer->get_string(); }
     size_t size() const { return m_gap_buffer->size(); }
     uint8_t * address(size_t offset) const { return m_gap_buffer->address(offset); }
@@ -130,6 +136,7 @@ protected:
     uint8_t m_tabstop;
     bool m_insert_mode;
     std::list<std::shared_ptr<Iterator>> m_iterators;
+    std::list<std::shared_ptr<Iterator>> m_cursors;
     std::shared_ptr<Iterator> m_eof_iterator;
     std::string m_filename;
     std::shared_ptr<ChangeOperation> m_current_change_operation;
diff --git a/src/gui/BufferPane.cc b/src/gui/BufferPane.cc
index 8c2d022..a2daf48 100644
--- a/src/gui/BufferPane.cc
+++ b/src/gui/BufferPane.cc
@@ -5,7 +5,7 @@ BufferPane::BufferPane(Window * window, std::shared_ptr<Buffer> buffer)
 {
     m_cursor_screen_row = 0;
     m_scroll_offset = 5;
-    m_iterator = buffer->add_iterator();
+    m_iterator = buffer->add_cursor();
     m_target_column = 0;
     m_cursor_virtual_column = 0;
 }
diff --git a/test/src/test_Buffer.cc b/test/src/test_Buffer.cc
index 75d0103..6dc0f1f 100644
--- a/test/src/test_Buffer.cc
+++ b/test/src/test_Buffer.cc
@@ -34,7 +34,7 @@ TEST(BufferTest, writes_an_empty_file_for_an_empty_buffer)
 TEST(BufferTest, allows_navigating_using_iterators)
 {
     Buffer b("test/files/line_endings/lf_format.txt");
-    auto iterator = b.add_iterator();
+    auto iterator = b.add_cursor();
 
     EXPECT_EQ(0u, iterator->line());
     ASSERT_EQ((uint32_t)'H', **iterator);
@@ -71,7 +71,7 @@ TEST(BufferTest, allows_navigating_using_iterators)
 TEST(BufferTest, allows_navigating_using_iterators2)
 {
     Buffer b("test/files/blank_lines.txt");
-    auto iterator = b.add_iterator();
+    auto iterator = b.add_cursor();
 
     EXPECT_EQ(0u, iterator->line());
     EXPECT_EQ((uint32_t)'a', **iterator);