From a6fadcb171270147b35f67813fc66046a68f5359 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joakim=20Skog=C3=B8=20Langvand?= <jlangvand@gmail.com>
Date: Thu, 2 Sep 2021 22:23:16 +0200
Subject: [PATCH] Added some Emacs-style actions

---
 src/config.cpp |  5 +++++
 src/window.cpp | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)

diff --git a/src/config.cpp b/src/config.cpp
index 2a60103..e0467fb 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -372,6 +372,11 @@ std::string Config::default_config() {
     "edit_shrink_selection": "<primary><shift><alt>a",
     "edit_show_or_hide": "",
     "edit_find": "<primary>f",
+    "edit_go_to_beginning_of_line": "",
+    "edit_go_to_end_of_line": "",
+    "edit_go_to_previous_line": "",
+    "edit_go_to_next_line": "",
+    "edit_insert_line": "",
     "source_spellcheck": "",
     "source_spellcheck_clear": "",
     "source_spellcheck_next_error": "<primary><shift>e",
diff --git a/src/window.cpp b/src/window.cpp
index abb2409..5c975e1 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -748,6 +748,64 @@ void Window::set_menu_actions() {
     search_and_replace_entry();
   });
 
+  menu.add_action("edit_go_to_beginning_of_line", []() {
+    if(auto view = Notebook::get().get_current_view()) {
+      auto buffer = view->get_buffer();
+      auto iter = buffer->get_insert()->get_iter();
+      // If we're already at the beginning of the line, move to
+      // first character excluding spaces.
+      if(iter.starts_line())
+        while(iter.get_char() == 0x20)
+          iter.forward_char();
+      else if(iter.backward_line())
+        iter.forward_line();
+      buffer->place_cursor(iter);
+    }
+  });
+  menu.add_action("edit_go_to_end_of_line", []() {
+    if(auto view = Notebook::get().get_current_view()) {
+      auto buffer = view->get_buffer();
+      auto iter = buffer->get_insert()->get_iter();
+      if(!iter.ends_line()) {
+        iter.forward_to_line_end();
+        buffer->place_cursor(iter);
+      }
+    }
+  });
+  menu.add_action("edit_go_to_previous_line", []() {
+    if(auto view = Notebook::get().get_current_view()) {
+      auto buffer = view->get_buffer();
+      auto iter = buffer->get_insert()->get_iter();
+      int offset = iter.get_visible_line_offset();
+      if(iter.backward_line()) {
+        int length = iter.get_chars_in_line();
+        iter.set_visible_line_offset(length < offset ? length : offset);
+      }
+      buffer->place_cursor(iter);
+    }
+  });
+  menu.add_action("edit_go_to_next_line", []() {
+    if(auto view = Notebook::get().get_current_view()) {
+      auto buffer = view->get_buffer();
+      auto iter = buffer->get_insert()->get_iter();
+      int offset = iter.get_visible_line_offset();
+      if(iter.forward_line()) {
+        int length = iter.get_chars_in_line();
+        iter.set_visible_line_offset(length < offset ? length : offset);
+      }
+      buffer->place_cursor(iter);
+    }
+  });
+
+  menu.add_action("edit_insert_line", []() {
+    if(auto view = Notebook::get().get_current_view()) {
+      auto buffer = view->get_buffer();
+      auto iter = buffer->get_insert()->get_iter();
+      if(iter.forward_line())
+        buffer->insert(iter, "\n");
+    }
+  });
+
   menu.add_action("source_spellcheck", []() {
     if(auto view = Notebook::get().get_current_view()) {
       view->remove_spellcheck_errors();