vim: Add helix mode toggle (#41454)

Just for parity with vim. Also prevents these toggles from having both
enabled at the same time as that is a buggy state.

Release Notes:

- Added command to toggle helix mode

crates/vim/src/vim.rs

@@ -260,6 +260,8 @@ actions!(
     [
         /// Toggles Vim mode on or off.
         ToggleVimMode,
+        /// Toggles Helix mode on or off.
+        ToggleHelixMode,
     ]
 );
 
@@ -274,9 +276,23 @@ pub fn init(cx: &mut App) {
     cx.observe_new(|workspace: &mut Workspace, _, _| {
         workspace.register_action(|workspace, _: &ToggleVimMode, _, cx| {
             let fs = workspace.app_state().fs.clone();
-            let currently_enabled = Vim::enabled(cx);
+            let currently_enabled = VimModeSetting::get_global(cx).0;
             update_settings_file(fs, cx, move |setting, _| {
-                setting.vim_mode = Some(!currently_enabled)
+                setting.vim_mode = Some(!currently_enabled);
+                if let Some(helix_mode) = &mut setting.helix_mode {
+                    *helix_mode = false;
+                }
+            })
+        });
+
+        workspace.register_action(|workspace, _: &ToggleHelixMode, _, cx| {
+            let fs = workspace.app_state().fs.clone();
+            let currently_enabled = HelixModeSetting::get_global(cx).0;
+            update_settings_file(fs, cx, move |setting, _| {
+                setting.helix_mode = Some(!currently_enabled);
+                if let Some(vim_mode) = &mut setting.vim_mode {
+                    *vim_mode = false;
+                }
             })
         });
 

crates/zed/src/zed/quick_action_bar.rs

@@ -22,7 +22,7 @@ use ui::{
     ButtonStyle, ContextMenu, ContextMenuEntry, DocumentationEdge, DocumentationSide, IconButton,
     IconName, IconSize, PopoverMenu, PopoverMenuHandle, Tooltip, prelude::*,
 };
-use vim_mode_setting::VimModeSetting;
+use vim_mode_setting::{HelixModeSetting, VimModeSetting};
 use workspace::item::ItemBufferKind;
 use workspace::{
     ToolbarItemEvent, ToolbarItemLocation, ToolbarItemView, Workspace, item::ItemHandle,
@@ -307,6 +307,7 @@ impl Render for QuickActionBar {
         let editor = editor.downgrade();
         let editor_settings_dropdown = {
             let vim_mode_enabled = VimModeSetting::get_global(cx).0;
+            let helix_mode_enabled = HelixModeSetting::get_global(cx).0;
 
             PopoverMenu::new("editor-settings")
                 .trigger_with_tooltip(
@@ -583,10 +584,25 @@ impl Render for QuickActionBar {
                                     move |window, cx| {
                                         let new_value = !vim_mode_enabled;
                                         VimModeSetting::override_global(VimModeSetting(new_value), cx);
+                                        HelixModeSetting::override_global(HelixModeSetting(false), cx);
                                         window.refresh();
                                     }
                                 },
                             );
+                            menu = menu.toggleable_entry(
+                                "Helix Mode",
+                                helix_mode_enabled,
+                                IconPosition::Start,
+                                None,
+                                {
+                                    move |window, cx| {
+                                        let new_value = !helix_mode_enabled;
+                                        HelixModeSetting::override_global(HelixModeSetting(new_value), cx);
+                                        VimModeSetting::override_global(VimModeSetting(false), cx);
+                                        window.refresh();
+                                    }
+                                }
+                            );
 
                             menu
                         }