Add goto_file_start and goto_file_end

src/actions.rs

@@ -19,7 +19,7 @@
 
 use std::collections::HashMap;
 
-use crate::{Direction, InsertState, Mode, NormalState, State};
+use crate::{Cursor, Direction, InsertState, Mode, NormalState, State};
 
 pub type Action = fn(&mut State);
 
@@ -34,6 +34,8 @@ pub fn load_actions() -> HashMap<String, Action> {
         ("goto_line_start", goto_line_start),
         ("goto_line_end", goto_line_end),
         ("goto_first_nonwhitespace", goto_first_nonwhitespace),
+        ("goto_file_start", goto_file_start),
+        ("goto_file_end", goto_file_end),
         ("command_mode", command_mode),
         ("normal_mode", normal_mode),
         ("visual_mode", visual_mode),
@@ -90,7 +92,19 @@ pub fn goto_line_end(state: &mut State) {
 }
 
 pub fn goto_first_nonwhitespace(state: &mut State) {
-    state.cursor = state.buffer.cursor_at_first_nonwhitespace(state.cursor.line);
+    state.cursor = state
+        .buffer
+        .cursor_at_first_nonwhitespace(state.cursor.line);
+}
+
+pub fn goto_file_start(state: &mut State) {
+    state.cursor = Cursor { line: 0, column: 0 };
+    state.scroll_to_cursor();
+}
+
+pub fn goto_file_end(state: &mut State) {
+    state.cursor = state.buffer.cursor_at_file_end();
+    state.scroll_to_cursor();
 }
 
 pub fn command_mode(state: &mut State) {

src/buffer.rs

@@ -298,6 +298,18 @@ impl Buffer {
                 .unwrap_or(0),
         }
     }
+
+    pub fn cursor_at_file_end(&self) -> Cursor {
+        let last_line = if self.text.len_lines() == 0 {
+            0
+        } else if self.text.line(self.text.len_lines() - 1).len_chars() == 0 {
+            self.text.len_lines().saturating_sub(2)
+        } else {
+            self.text.len_lines() - 1
+        };
+
+        self.cursor_at_line_end(last_line)
+    }
 }
 
 #[cfg(test)]

src/keybinds.rs

@@ -54,6 +54,8 @@ impl Default for Keybinds {
             (Char('h'), goto_line_start as Action),
             (Char('l'), goto_line_end),
             (Char('s'), goto_first_nonwhitespace),
+            (Char('g'), goto_file_start),
+            (Char('e'), goto_file_end),
         ];
 
         let normalish_keys = [