From 42fae293917e2b64c9d7dcb87f2acfd07f42268e Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Tue, 19 Mar 2013 14:04:24 +0100
Subject: [PATCH] Add an 'insert_hide_sel' option, which hides selection when
 inserting

---
 src/highlighters.cc   | 18 +++++++++++-------
 src/option_manager.cc |  1 +
 src/window.cc         |  2 +-
 3 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/src/highlighters.cc b/src/highlighters.cc
index c02255fb..7c9de93d 100644
--- a/src/highlighters.cc
+++ b/src/highlighters.cc
@@ -259,20 +259,24 @@ void show_line_numbers(DisplayBuffer& display_buffer)
     }
 }
 
-void highlight_selections(const Editor& editor, DisplayBuffer& display_buffer)
+void highlight_selections(const Window& window, DisplayBuffer& display_buffer)
 {
-    for (size_t i = 0; i < editor.selections().size(); ++i)
+    const bool only_cursor = window.is_editing() and window.options()["insert_hide_sel"].get<bool>();
+    for (size_t i = 0; i < window.selections().size(); ++i)
     {
-        auto& sel = editor.selections()[i];
+        auto& sel = window.selections()[i];
         const bool forward = sel.first() <= sel.last();
         BufferIterator begin = forward ? sel.first() : utf8::next(sel.last());
         BufferIterator end   = forward ? sel.last() : utf8::next(sel.first());
 
-        const bool primary = (i == editor.main_selection_index());
-        ColorPair sel_colors = ColorRegistry::instance()[primary ? "PrimarySelection" : "SecondarySelection"];
+        const bool primary = (i == window.main_selection_index());
+        if (not only_cursor)
+        {
+            ColorPair sel_colors = ColorRegistry::instance()[primary ? "PrimarySelection" : "SecondarySelection"];
+            highlight_range(display_buffer, begin, end, false,
+                            [&](DisplayAtom& atom) { atom.colors = sel_colors; });
+        }
         ColorPair cur_colors = ColorRegistry::instance()[primary ? "PrimaryCursor" : "SecondaryCursor"];
-        highlight_range(display_buffer, begin, end, false,
-                        [&](DisplayAtom& atom) { atom.colors = sel_colors; });
         highlight_range(display_buffer, sel.last(), utf8::next(sel.last()), false,
                         [&](DisplayAtom& atom) { atom.colors = cur_colors; });
     }
diff --git a/src/option_manager.cc b/src/option_manager.cc
index f561d685..e866b6f5 100644
--- a/src/option_manager.cc
+++ b/src/option_manager.cc
@@ -260,6 +260,7 @@ GlobalOptions::GlobalOptions()
     declare_option<String>("filetype", "");
     declare_option<std::vector<String>>("completions", {});
     declare_option<std::vector<String>>("path", { "./", "/usr/include" });
+    declare_option<bool>("insert_hide_sel", false);
 }
 
 template<typename T>
diff --git a/src/window.cc b/src/window.cc
index 56ac12f3..4abcab75 100644
--- a/src/window.cc
+++ b/src/window.cc
@@ -12,7 +12,7 @@ namespace Kakoune
 {
 
 // Implementation in highlighters.cc
-void highlight_selections(const Editor& editor, DisplayBuffer& display_buffer);
+void highlight_selections(const Window& window, DisplayBuffer& display_buffer);
 void expand_tabulations(const OptionManager& options, DisplayBuffer& display_buffer);
 void expand_unprintable(DisplayBuffer& display_buffer);