Merge branch 'main' into lua-volume

1 files changed, 79 insertions, 0 deletions

diff --git a/src/lua/lua_screen.cpp b/src/lua/lua_screen.cpp
new file mode 100644
index 00000000..f17f6b1a
--- /dev/null
+++ b/src/lua/lua_screen.cpp
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2023 jacqueline <me@jacqueline.id.au>
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#include "lua_screen.hpp"
+
+#include <memory>
+#include <string>
+
+#include "lua.hpp"
+
+#include "esp_log.h"
+#include "lauxlib.h"
+#include "lua.h"
+#include "lvgl.h"
+
+#include "bridge.hpp"
+#include "database.hpp"
+#include "event_queue.hpp"
+#include "index.hpp"
+#include "property.hpp"
+#include "service_locator.hpp"
+#include "track.hpp"
+#include "track_queue.hpp"
+#include "ui_events.hpp"
+
+namespace lua {
+
+static auto screen_new(lua_State* L) -> int {
+  // o = o or {}
+  if (lua_gettop(L) != 2) {
+    lua_settop(L, 1);
+    lua_newtable(L);
+  }
+  // Swap o and self on the stack.
+  lua_insert(L, 1);
+
+  lua_pushliteral(L, "__index");
+  lua_pushvalue(L, 1);
+  lua_settable(L, 1);  // self.__index = self
+
+  lua_setmetatable(L, 1);  // setmetatable(o, self)
+
+  return 1;  // return o
+}
+
+static auto screen_noop(lua_State* state) -> int {
+  return 0;
+}
+
+static auto screen_true(lua_State* state) -> int {
+  lua_pushboolean(state, true);
+  return 1;
+}
+
+static const struct luaL_Reg kScreenFuncs[] = {
+    {"new", screen_new},      {"createUi", screen_noop},
+    {"onShown", screen_noop}, {"onHidden", screen_noop},
+    {"canPop", screen_true},  {NULL, NULL}};
+
+static auto lua_screen(lua_State* state) -> int {
+  luaL_newlib(state, kScreenFuncs);
+
+  lua_pushliteral(state, "__index");
+  lua_pushvalue(state, -2);
+  lua_rawset(state, -3);
+
+  return 1;
+}
+
+auto RegisterScreenModule(lua_State* s) -> void {
+  luaL_requiref(s, "screen", lua_screen, true);
+
+  lua_pop(s, 1);
+}
+
+}  // namespace lua