macOS: Add default mapping and global menubar action to erase last command

This is "Cmd+L" from Terminal.app

docs/changelog.rst

@@ -112,6 +112,9 @@ Detailed list of changes
 - A new :opt:`cursor_trail_color` setting to independently control the color of
   cursor trails (:pull:`8830`)
 
+- macOS: Add the default :kbd:`Cmd+L` mapping from Terminal.app to erase the
+  last command and its output (:disc:`6040`)
+
 - Wayland: Fix incorrect window size calculation when transitioning from
   full screen to non-full screen with client side decorations (:iss:`8826`)
 

kitty/boss.py

@@ -1306,6 +1306,8 @@ class Boss:
             map f1 clear_terminal to_cursor active
             # Same as above except cleared lines are moved into scrollback
             map f1 clear_terminal to_cursor_scroll active
+            # Erase the last command and its output (needs shell integration to work)
+            map f1 clear_terminal last_command active
         ''')
     def clear_terminal(self, action: str, only_active: bool) -> None:
         if only_active:
@@ -1333,6 +1335,9 @@ class Boss:
         elif action == 'to_cursor_scroll':
             for w in windows:
                 w.scroll_prompt_to_top(clear_scrollback=False)
+        elif action == 'last_command':
+            for w in windows:
+                w.screen.erase_last_command()
         else:
             self.show_error(_('Unknown clear type'), _('The clear type: {} is unknown').format(action))
 

kitty/child-monitor.c

@@ -1234,6 +1234,7 @@ process_cocoa_pending_actions(void) {
     if (cocoa_pending_actions[CLEAR_TERMINAL_AND_SCROLLBACK]) { call_boss(clear_terminal, "sO", "to_cursor", Py_True ); }
     if (cocoa_pending_actions[CLEAR_SCROLLBACK]) { call_boss(clear_terminal, "sO", "scrollback", Py_True ); }
     if (cocoa_pending_actions[CLEAR_SCREEN]) { call_boss(clear_terminal, "sO", "to_cursor_scroll", Py_True ); }
+    if (cocoa_pending_actions[CLEAR_LAST_COMMAND]) { call_boss(clear_terminal, "sO", "last_command", Py_True ); }
     if (cocoa_pending_actions[RELOAD_CONFIG]) { call_boss(load_config_file, NULL); }
     if (cocoa_pending_actions[TOGGLE_MACOS_SECURE_KEYBOARD_ENTRY]) { call_boss(toggle_macos_secure_keyboard_entry, NULL); }
     if (cocoa_pending_actions[TOGGLE_FULLSCREEN]) { call_boss(toggle_fullscreen, NULL); }

kitty/cocoa_window.h

@@ -27,6 +27,7 @@ typedef enum {
     CLEAR_TERMINAL_AND_SCROLLBACK,
     CLEAR_SCROLLBACK,
     CLEAR_SCREEN,
+    CLEAR_LAST_COMMAND,
     RELOAD_CONFIG,
     TOGGLE_MACOS_SECURE_KEYBOARD_ENTRY,
     TOGGLE_FULLSCREEN,

kitty/cocoa_window.m

@@ -255,6 +255,7 @@ PENDING(reset_terminal, RESET_TERMINAL)
 PENDING(clear_terminal_and_scrollback, CLEAR_TERMINAL_AND_SCROLLBACK)
 PENDING(clear_scrollback, CLEAR_SCROLLBACK)
 PENDING(clear_screen, CLEAR_SCREEN)
+PENDING(clear_last_command, CLEAR_LAST_COMMAND)
 PENDING(reload_config, RELOAD_CONFIG)
 PENDING(toggle_macos_secure_keyboard_entry, TOGGLE_MACOS_SECURE_KEYBOARD_ENTRY)
 PENDING(toggle_fullscreen, TOGGLE_FULLSCREEN)
@@ -278,6 +279,7 @@ PENDING(quit, QUIT)
         item.action == @selector(close_window:) ||
         item.action == @selector(reset_terminal:) ||
         item.action == @selector(clear_terminal_and_scrollback:) ||
+        item.action == @selector(clear_last_command:) ||
         item.action == @selector(clear_scrollback:) ||
         item.action == @selector(clear_screen:) ||
         item.action == @selector(previous_tab:) ||
@@ -314,7 +316,7 @@ typedef struct {
 typedef struct {
     GlobalShortcut new_os_window, close_os_window, close_tab, edit_config_file, reload_config;
     GlobalShortcut previous_tab, next_tab, new_tab, new_window, close_window, reset_terminal;
-    GlobalShortcut clear_terminal_and_scrollback, clear_screen, clear_scrollback;
+    GlobalShortcut clear_terminal_and_scrollback, clear_screen, clear_scrollback, clear_last_command;
     GlobalShortcut toggle_macos_secure_keyboard_entry, toggle_fullscreen, open_kitty_website;
     GlobalShortcut hide_macos_app, hide_macos_other_apps, minimize_macos_window, quit;
 } GlobalShortcuts;
@@ -331,9 +333,10 @@ cocoa_set_global_shortcut(PyObject *self UNUSED, PyObject *args) {
     Q(new_os_window); else Q(close_os_window); else Q(close_tab); else Q(edit_config_file);
     else Q(new_tab); else Q(next_tab); else Q(previous_tab);
     else Q(new_window); else Q(close_window); else Q(reset_terminal);
-    else Q(clear_terminal_and_scrollback); else Q(clear_scrollback); else Q(clear_screen); else Q(reload_config);
+    else Q(clear_terminal_and_scrollback); else Q(clear_scrollback); else Q(clear_screen); else Q(clear_last_command);
-    else Q(toggle_macos_secure_keyboard_entry); else Q(toggle_fullscreen); else Q(open_kitty_website);
+    else Q(reload_config); else Q(toggle_macos_secure_keyboard_entry); else Q(toggle_fullscreen);
-    else Q(hide_macos_app); else Q(hide_macos_other_apps); else Q(minimize_macos_window); else Q(quit);
+    else Q(open_kitty_website); else Q(hide_macos_app); else Q(hide_macos_other_apps);
+    else Q(minimize_macos_window); else Q(quit);
 #undef Q
     if (gs == NULL) { PyErr_SetString(PyExc_KeyError, "Unknown shortcut name"); return NULL; }
     int cocoa_mods;
@@ -787,6 +790,7 @@ cocoa_create_global_menu(void) {
     MENU_ITEM(editMenu, @"Clear to Start", clear_terminal_and_scrollback);
     MENU_ITEM(editMenu, @"Clear Scrollback", clear_scrollback);
     MENU_ITEM(editMenu, @"Clear Screen", clear_screen);
+    MENU_ITEM(editMenu, @"Clear Last Command", clear_last_command);
     [editMenu release];
 
     NSMenuItem* windowMenuItem =

kitty/main.py

@@ -207,6 +207,9 @@ def set_cocoa_global_shortcuts(opts: Options) -> dict[str, SingleKey]:
         val = get_macos_shortcut_for(func_map, 'clear_terminal to_cursor_scroll active', lookup_name='clear_screen')
         if val is not None:
             global_shortcuts['clear_screen'] = val
+        val = get_macos_shortcut_for(func_map, 'clear_terminal last_command active', lookup_name='clear_last_command')
+        if val is not None:
+            global_shortcuts['clear_last_command'] = val
         val = get_macos_shortcut_for(func_map, 'load_config_file', lookup_name='reload_config')
         if val is not None:
             global_shortcuts['reload_config'] = val

kitty/options/definition.py

@@ -4361,6 +4361,8 @@ You can create shortcuts to clear/reset the terminal. For example::
     map f1 clear_terminal to_cursor active
     # Same as above except cleared lines are moved into scrollback
     map f1 clear_terminal to_cursor_scroll active
+    # Erase the last command and its output (needs shell integration to work)
+    map f1 clear_terminal last_command active
 
 If you want to operate on all kitty windows instead of just the current one, use
 :italic:`all` instead of :italic:`active`.
@@ -4416,6 +4418,11 @@ map('Clear scrollback',
     only='macos',
     )
 
+map('Clear the last command',
+    'clear_last_command cmd+l clear_terminal last_command active',
+    only='macos',
+    )
+
 map('Clear screen',
     'clear_screen cmd+ctrl+l clear_terminal to_cursor_scroll active',
     only='macos',

kitty/options/types.py

@@ -979,6 +979,7 @@ if is_macos:
     defaults.map.append(KeyDefinition(trigger=SingleKey(mods=10, key=114), definition='clear_terminal reset active'))
     defaults.map.append(KeyDefinition(trigger=SingleKey(mods=8, key=107), definition='clear_terminal to_cursor active'))
     defaults.map.append(KeyDefinition(trigger=SingleKey(mods=10, key=107), definition='clear_terminal scrollback active'))
+    defaults.map.append(KeyDefinition(trigger=SingleKey(mods=8, key=108), definition='clear_terminal last_command active'))
     defaults.map.append(KeyDefinition(trigger=SingleKey(mods=12, key=108), definition='clear_terminal to_cursor_scroll active'))
     defaults.map.append(KeyDefinition(trigger=SingleKey(mods=12, key=44), definition='load_config_file'))
     defaults.map.append(KeyDefinition(trigger=SingleKey(mods=10, key=44), definition='debug_config'))

kitty/options/utils.py

@@ -213,7 +213,7 @@ def clear_terminal(func: str, rest: str) -> FuncArgsType:
         args = ['reset', True]
     else:
         action = vals[0].lower()
-        if action not in ('reset', 'scroll', 'scrollback', 'clear', 'to_cursor', 'to_cursor_scroll'):
+        if action not in ('reset', 'scroll', 'scrollback', 'clear', 'to_cursor', 'to_cursor_scroll', 'last_command'):
             log_error(f'{action} is unknown for clear_terminal, using reset')
             action = 'reset'
         args = [action, vals[1].lower() == 'active']