viewById works again, layer still ontop of other things

src/lua/Api.zig

@@ -0,0 +1,49 @@
+const std = @import("std");
+const zlua = @import("zlua");
+const wlr = @import("wlroots");
+
+const gpa = std.heap.c_allocator;
+
+const env_map = &@import("../main.zig").env_map;
+const server = &@import("../main.zig").server;
+
+/// ---Spawn new application via the shell command
+/// ---@param cmd string Command to be run by a shell
+pub fn spawn(L: *zlua.Lua) i32 {
+  const cmd = L.checkString(1);
+
+  var child = std.process.Child.init(&[_][]const u8{ "/bin/sh", "-c", cmd }, gpa);
+  child.env_map = env_map;
+  child.spawn() catch {
+    L.raiseErrorStr("Unable to spawn process", .{}); // TODO: Give more descriptive error
+  };
+
+  L.pushNil();
+  return 1;
+}
+
+/// ---Exit mezzaluna
+pub fn exit(L: *zlua.Lua) i32 {
+  server.wl_server.terminate();
+
+  L.pushNil();
+  return 1;
+}
+
+/// ---Change to a different virtual terminal
+/// ---@param vt_num integer virtual terminal number to switch to
+pub fn change_vt(L: *zlua.Lua) i32 {
+  const vt_num: c_uint = @intCast(L.checkInteger(1));
+
+  if (server.session) |session| {
+    std.log.debug("Changing virtual terminal to {d}", .{vt_num});
+    wlr.Session.changeVt(session, vt_num) catch {
+      L.raiseErrorStr("Failed to switch vt", .{});
+    };
+  } else {
+    L.raiseErrorStr("Mez has not been initialized yet", .{});
+  }
+
+  L.pushNil();
+  return 1;
+}