diff --git a/src/init.ts b/src/init.ts
index c4c9608..45c6485 100644
--- a/src/init.ts
+++ b/src/init.ts
@@ -4,15 +4,26 @@ import { Command } from '@cliffy/command'
 
 export const initCommand = new Command()
   .description('Render the widget for zsh.')
-  .option('--bindkey <KEY:string>', 'The key to bind the widget to.')
+  .option(
+    '--bindkey <KEY:string>',
+    `
+    The key to bind the widget to.
+    The widget is triggered only when a key is pressed while the prompt buffer is empty.
+
+    If you want the widget to be triggered regardless of the state of the prompt buffer, add the --bindkey-global option.
+    `,
+  )
+  .option('--bindkey-global', 'Whether to bind the widget globally.', { default: false, depends: ['bindkey'] })
   .example('eval "$(wk init)"', 'Register the widget without binding it to a key.')
-  .example(`eval "$(wk init --bindkey '^G')"`, 'Register the widget and bind it to Ctrl-G.')
-  .action(({ bindkey }) => {
+  .example(`eval "$(wk init --bindkey ',')"`, 'Register the widget and bind it to the key `,`.')
+  .example(`eval "$(wk init --bindkey '^G' --bindkey-global)"`, 'Register the widget and bind it to Ctrl-G globally.')
+  .action(({ bindkey, bindkeyGlobal }) => {
     const eta = new Eta()
 
     const rendered = eta.renderString(WIDGET_TEMPLATE, {
       wk_path: Deno.execPath(),
       bindkey,
+      bindkeyGlobal,
     })
 
     console.log(rendered)
diff --git a/src/widget.eta b/src/widget.eta
index f72eadd..3ad2575 100644
--- a/src/widget.eta
+++ b/src/widget.eta
@@ -43,10 +43,21 @@ _wk_widget() {
     zle $accept_widget
   fi
 }
-
 zle -N _wk_widget
+
+<% if (!it.bindkeyGlobal) { %>
+_wk_or_self_insert() {
+  if [[ -z "$BUFFER" ]]; then
+    _wk_widget
+  else
+    zle self-insert
+  fi
+}
+zle -N _wk_or_self_insert
+<% } %>
+
 <% if (typeof it.bindkey === 'string' && it.bindkey === "'") { %>
-bindkey "'" _wk_widget
+bindkey "'" <%= it.bindkeyGlobal ? '_wk_widget' : '_wk_or_self_insert' %>
 <% } else if (typeof it.bindkey === 'string' && it.bindkey !== '') { %>
-bindkey '<%~ it.bindkey %>' _wk_widget
+bindkey '<%~ it.bindkey %>' <%= it.bindkeyGlobal ? '_wk_widget' : '_wk_or_self_insert' %>
 <% } %>