From 4bf6d8098885d86c4a8f437e43e4aaffce0004c8 Mon Sep 17 00:00:00 2001
From: Joscha <joscha@plugh.de>
Date: Sat, 6 Aug 2022 23:54:53 +0200
Subject: [PATCH] Move to start/end of editor line

---
 src/ui/util.rs           |  4 ++++
 src/ui/widgets/editor.rs | 22 ++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/src/ui/util.rs b/src/ui/util.rs
index d4fde12..67e258f 100644
--- a/src/ui/util.rs
+++ b/src/ui/util.rs
@@ -54,6 +54,8 @@ pub fn list_editor_key_bindings(
     // Cursor movement
     bindings.binding("ctrl+b, ←", "move cursor left");
     bindings.binding("ctrl+f, →", "move cursor right");
+    bindings.binding("ctrl+a, home", "move cursor to start of line");
+    bindings.binding("ctrl+e, end", "move cursor to end of line");
     bindings.binding("↑/↓", "move cursor up/down");
 }
 
@@ -84,6 +86,8 @@ pub fn handle_editor_key_event(
         // Cursor movement
         key!(Ctrl + 'b') | key!(Left) => editor.move_cursor_left(terminal.frame()),
         key!(Ctrl + 'f') | key!(Right) => editor.move_cursor_right(terminal.frame()),
+        key!(Ctrl + 'a') | key!(Home) => editor.move_cursor_to_start_of_line(terminal.frame()),
+        key!(Ctrl + 'e') | key!(End) => editor.move_cursor_to_end_of_line(terminal.frame()),
         key!(Up) => editor.move_cursor_up(terminal.frame()),
         key!(Down) => editor.move_cursor_down(terminal.frame()),
 
diff --git a/src/ui/widgets/editor.rs b/src/ui/widgets/editor.rs
index 53db6ec..e8a3d6e 100644
--- a/src/ui/widgets/editor.rs
+++ b/src/ui/widgets/editor.rs
@@ -234,6 +234,20 @@ impl InnerEditorState {
         }
     }
 
+    fn move_cursor_to_start_of_line(&mut self, frame: &mut Frame) {
+        let boundaries = self.line_boundaries();
+        let (line, _, _) = self.cursor_line(&boundaries);
+        self.move_cursor_to_line_col(frame, line, 0);
+        self.record_cursor_col(frame);
+    }
+
+    fn move_cursor_to_end_of_line(&mut self, frame: &mut Frame) {
+        let boundaries = self.line_boundaries();
+        let (line, _, _) = self.cursor_line(&boundaries);
+        self.move_cursor_to_line_col(frame, line, usize::MAX);
+        self.record_cursor_col(frame);
+    }
+
     fn move_cursor_up(&mut self, frame: &mut Frame) {
         let boundaries = self.line_boundaries();
         let (line, _, _) = self.cursor_line(&boundaries);
@@ -312,6 +326,14 @@ impl EditorState {
         self.0.lock().move_cursor_right(frame);
     }
 
+    pub fn move_cursor_to_start_of_line(&self, frame: &mut Frame) {
+        self.0.lock().move_cursor_to_start_of_line(frame);
+    }
+
+    pub fn move_cursor_to_end_of_line(&self, frame: &mut Frame) {
+        self.0.lock().move_cursor_to_end_of_line(frame);
+    }
+
     pub fn move_cursor_up(&self, frame: &mut Frame) {
         self.0.lock().move_cursor_up(frame);
     }