Convert the main menu screen to lua lol

1 files changed, 150 insertions, 0 deletions

diff --git a/lib/luavgl/src/luavgl.c b/lib/luavgl/src/luavgl.c
new file mode 100644
index 00000000..86c1a108
--- /dev/null
+++ b/lib/luavgl/src/luavgl.c
@@ -0,0 +1,150 @@
+#include "luavgl.h"
+#include "private.h"
+
+#include "anim.c"
+#include "constants.c"
+#include "disp.c"
+#include "font.c"
+#include "fs.c"
+#include "group.c"
+#include "indev.c"
+#include "obj.c"
+#include "timer.c"
+#include "util.c"
+
+static const struct luaL_Reg luavgl_methods[] = {
+    {"Timer", luavgl_timer_create}, /* timer.c */
+    {"Font",  luavgl_font_create }, /* font.c */
+    {"Style", luavgl_style_create}, /* style.c */
+    {"Anim",  luavgl_anim_create }, /* anim.c */
+
+    {NULL,    NULL               },
+};
+
+LUALIB_API luavgl_ctx_t *luavgl_context(lua_State *L)
+{
+  static const char *luavglgl_key = "luavgl_key";
+
+  luavgl_ctx_t *ctx;
+  lua_pushstring(L, luavglgl_key);
+  lua_rawget(L, LUA_REGISTRYINDEX);
+
+  /**
+   * ctx = registry[luavgl_key]
+   * if ctx == nil then
+   *    ctx = new ctx
+   * else
+   *    return ctx
+   * end
+   */
+
+  if (lua_isnil(L, -1)) {
+    /* create it if not exist in registry */
+    lua_pushstring(L, luavglgl_key);
+    ctx = (luavgl_ctx_t *)lua_newuserdata(L, sizeof(*ctx));
+    memset(ctx, 0, sizeof(*ctx));
+    lua_rawset(L, LUA_REGISTRYINDEX);
+  } else {
+    ctx = (luavgl_ctx_t *)lua_touserdata(L, -1);
+  }
+
+  lua_pop(L, 1);
+  return ctx;
+}
+
+LUALIB_API void luavgl_set_pcall(lua_State *L, luavgl_pcall_t pcall)
+{
+  luavgl_ctx_t *ctx = luavgl_context(L);
+  ctx->pcall = pcall;
+}
+
+LUALIB_API void luavgl_set_root(lua_State *L, lv_obj_t *root)
+{
+  luavgl_ctx_t *ctx = luavgl_context(L);
+  ctx->root = root;
+}
+
+LUALIB_API void luavgl_set_font_extension(lua_State *L, make_font_cb make,
+                                          delete_font_cb d)
+{
+  luavgl_ctx_t *ctx = luavgl_context(L);
+  ctx->make_font = make;
+  ctx->delete_font = d;
+}
+
+static int root_gc(lua_State *L)
+{
+  debug("enter.\n");
+  luavgl_ctx_t *ctx = luavgl_context(L);
+  lv_obj_del(ctx->root);
+  return 0;
+}
+
+static int root_clean(lua_State *L)
+{
+  debug("enter.\n");
+  luavgl_ctx_t *ctx = luavgl_context(L);
+  lv_obj_clean(ctx->root);
+  return 0;
+}
+
+LUALIB_API int luaopen_lvgl(lua_State *L)
+{
+  luavgl_ctx_t *ctx = luavgl_context(L);
+
+  luaL_newlib(L, luavgl_methods);
+
+  luaL_newmetatable(L, "root.meta");
+  lua_pushstring(L, "__gc");
+  lua_pushcfunction(L, ctx->root ? root_clean : root_gc);
+  lua_settable(L, -3);
+  lua_pop(L, 1);
+
+  lv_obj_t *root = ctx->root;
+  if (root == NULL) {
+    debug("create root obj for lua.\n");
+    root = lv_obj_create(lv_scr_act());
+    ctx->root = root;
+  }
+
+  if (ctx->pcall == NULL)
+    ctx->pcall = luavgl_pcall;
+
+  lua_pushstring(L, "_root");
+  *(void **)lua_newuserdata(L, sizeof(void *)) = root;
+  luaL_getmetatable(L, "root.meta");
+  lua_setmetatable(L, -2);
+
+  /*
+   * create a ref to root, avoid __gc early
+   * this puts the root userdata into the _root key
+   * in the returned luv table
+   * */
+  lua_rawset(L, -3);
+
+  lv_obj_remove_style_all(root);
+  lv_obj_set_size(root, LV_HOR_RES, LV_VER_RES);
+  lv_obj_clear_flag(root, LV_OBJ_FLAG_CLICKABLE | LV_OBJ_FLAG_SCROLLABLE);
+
+  luavgl_obj_init(L);
+  luavgl_widgets_init(L);
+  luavgl_anim_init(L);
+  luavgl_timer_init(L);
+  luavgl_style_init(L);
+  luavgl_fs_init(L);
+  luavgl_indev_init(L);
+  luavgl_group_init(L);
+  luavgl_disp_init(L);
+
+  luavgl_constants_init(L);
+
+  /* Methods to create widget locate in widgets table, check `luavgl_obj_init`
+   */
+  luaL_getmetatable(L, "widgets");
+  lua_setmetatable(L, -2);
+
+  (void)dumpstack;
+  (void)dumptable;
+  (void)dumpvalue;
+  return 1;
+}