Add :h[elp] vim command (#30179)

@jyn514 mentioned that this would be nice to have while trying out zed,
and it seemed simple enough so I added it.

Release Notes:

- Added `OpenDocs` action to open Zed's docs in a browser, aliased to
`:h[elp]` in vim.

crates/vim/src/command.rs

@@ -28,7 +28,7 @@ use task::{HideStrategy, RevealStrategy, SpawnInTerminal, TaskId};
 use ui::ActiveTheme;
 use util::ResultExt;
 use workspace::{SaveIntent, notifications::NotifyResultExt};
-use zed_actions::RevealTarget;
+use zed_actions::{OpenDocs, RevealTarget};
 
 use crate::{
     ToggleMarksView, ToggleRegistersView, Vim,
@@ -888,6 +888,7 @@ fn generate_commands(_: &App) -> Vec<VimCommand> {
         VimCommand::new(("cpp", "link"), editor::actions::CopyPermalinkToLine).range(act_on_range),
         VimCommand::str(("opt", "ions"), "zed::OpenDefaultSettings"),
         VimCommand::str(("map", ""), "vim::OpenDefaultKeymap"),
+        VimCommand::new(("h", "elp"), OpenDocs),
     ]
 }
 

crates/zed/src/zed.rs

@@ -61,7 +61,7 @@ use util::markdown::MarkdownString;
 use util::{ResultExt, asset_str};
 use uuid::Uuid;
 use vim_mode_setting::VimModeSetting;
-use welcome::{BaseKeymap, MultibufferHint};
+use welcome::{BaseKeymap, DOCS_URL, MultibufferHint};
 use workspace::notifications::{NotificationId, dismiss_app_notification, show_app_notification};
 use workspace::{
     AppState, NewFile, NewWindow, OpenLog, Toast, Workspace, WorkspaceSettings,
@@ -71,7 +71,7 @@ use workspace::{
 use workspace::{CloseIntent, RestoreBanner};
 use workspace::{Pane, notifications::DetachAndPromptErr};
 use zed_actions::{
-    OpenAccountSettings, OpenBrowser, OpenServerSettings, OpenSettings, OpenZedUrl, Quit,
+    OpenAccountSettings, OpenBrowser, OpenDocs, OpenServerSettings, OpenSettings, OpenZedUrl, Quit,
 };
 
 actions!(
@@ -479,6 +479,7 @@ fn register_actions(
 ) {
     workspace
         .register_action(about)
+        .register_action(|_, _: &OpenDocs, _, cx| cx.open_url(DOCS_URL))
         .register_action(|_, _: &Minimize, window, _| {
             window.minimize_window();
         })

crates/zed_actions/src/lib.rs

@@ -35,6 +35,7 @@ actions!(
         Quit,
         OpenKeymap,
         About,
+        OpenDocs,
         OpenLicenses,
         OpenTelemetryLog,
     ]