From 8f45cb8dfab9b4d832a78e11e21940c894f571df Mon Sep 17 00:00:00 2001
From: Wez Furlong <wez@wezfurlong.org>
Date: Wed, 6 Jul 2022 15:52:31 -0700
Subject: [PATCH] lua: add MuxWindow::gui_window() method

This is the inverse of Window::mux_window().
---
 lua-api-crates/mux/src/lib.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/lua-api-crates/mux/src/lib.rs b/lua-api-crates/mux/src/lib.rs
index 2d0dc7622..91987cc14 100644
--- a/lua-api-crates/mux/src/lib.rs
+++ b/lua-api-crates/mux/src/lib.rs
@@ -1,6 +1,6 @@
 use config::keyassignment::SpawnTabDomain;
-use config::lua::get_or_create_sub_module;
 use config::lua::mlua::{self, Lua, UserData, UserDataMethods, Value as LuaValue};
+use config::lua::{get_or_create_module, get_or_create_sub_module};
 use luahelper::impl_lua_conversion_dynamic;
 use mux::domain::SplitSource;
 use mux::pane::{Pane, PaneId};
@@ -334,6 +334,15 @@ impl_lua_conversion_dynamic!(MuxTabInfo);
 impl UserData for MuxWindow {
     fn add_methods<'lua, M: UserDataMethods<'lua, Self>>(methods: &mut M) {
         methods.add_method("window_id", |_, this, _: ()| Ok(this.0));
+        methods.add_method("gui_window", |lua, this, _: ()| {
+            // Weakly bound to the gui module; mux cannot hard-depend
+            // on wezterm-gui, but we can runtime resolve the appropriate module
+            let wezterm_mod = get_or_create_module(lua, "wezterm")
+                .map_err(|err| mlua::Error::external(format!("{err:#}")))?;
+            let gui: mlua::Table = wezterm_mod.get("gui")?;
+            let func: mlua::Function = gui.get("gui_window_for_mux_window")?;
+            func.call::<_, mlua::Value>(this.0)
+        });
         methods.add_method("get_workspace", |_, this, _: ()| {
             let mux = get_mux()?;
             let window = this.resolve(&mux)?;