Move insert mode commands to a separate namespace.

helix-term/src/editor.rs

@@ -330,7 +330,7 @@ impl Editor {
                                     ..
                                 } = event
                                 {
-                                    commands::insert_char(view, c);
+                                    commands::insert::insert_char(view, c);
                                 }
                                 view.ensure_cursor_in_view();
 

helix-view/src/commands.rs

@@ -368,7 +368,6 @@ pub fn open_below(view: &mut View, _count: usize) {
     let transaction = Transaction::change(&view.state, changes).with_selection(selection);
 
     transaction.apply(&mut view.state);
-    // TODO: need to store into history if successful
 }
 
 // O inserts a new line before each line with a selection
@@ -420,13 +419,15 @@ pub fn goto_mode(view: &mut View, _count: usize) {
     view.state.mode = Mode::Goto;
 }
 
+// NOTE: Transactions in this module get appended to history when we switch back to normal mode.
+pub mod insert {
+    use super::*;
     // TODO: insert means add text just before cursor, on exit we should be on the last letter.
     pub fn insert_char(view: &mut View, c: char) {
         let c = Tendril::from_char(c);
         let transaction = Transaction::insert(&view.state, c);
 
         transaction.apply(&mut view.state);
-    // TODO: need to store into history if successful
     }
 
     pub fn insert_tab(view: &mut View, _count: usize) {
@@ -448,7 +449,6 @@ pub fn delete_char_backward(view: &mut View, count: usize) {
             )
         });
         transaction.apply(&mut view.state);
-    // TODO: need to store into history if successful
     }
 
     pub fn delete_char_forward(view: &mut View, count: usize) {
@@ -461,7 +461,7 @@ pub fn delete_char_forward(view: &mut View, count: usize) {
             )
         });
         transaction.apply(&mut view.state);
-    // TODO: need to store into history if successful
+    }
 }
 
 // Undo / Redo

helix-view/src/keymap.rs

@@ -186,19 +186,19 @@ pub fn default() -> Keymaps {
                 vec![Key {
                     code: KeyCode::Backspace,
                     modifiers: Modifiers::NONE
-                }] => commands::delete_char_backward,
+                }] => commands::insert::delete_char_backward,
                 vec![Key {
                     code: KeyCode::Delete,
                     modifiers: Modifiers::NONE
-                }] => commands::delete_char_forward,
+                }] => commands::insert::delete_char_forward,
                 vec![Key {
                     code: KeyCode::Enter,
                     modifiers: Modifiers::NONE
-                }] => commands::insert_newline,
+                }] => commands::insert::insert_newline,
                 vec![Key {
                     code: KeyCode::Tab,
                     modifiers: Modifiers::NONE
-                }] => commands::insert_tab,
+                }] => commands::insert::insert_tab,
             ),
             state::Mode::Goto => hashmap!(
                 vec![Key {