diff options
Diffstat (limited to 'lib/luavgl/src/widgets/dropdown.c')
| -rw-r--r-- | lib/luavgl/src/widgets/dropdown.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/lib/luavgl/src/widgets/dropdown.c b/lib/luavgl/src/widgets/dropdown.c new file mode 100644 index 00000000..a211c10b --- /dev/null +++ b/lib/luavgl/src/widgets/dropdown.c @@ -0,0 +1,188 @@ +#include "luavgl.h" +#include "private.h" + +static int luavgl_dropdown_create(lua_State *L) +{ + return luavgl_obj_create_helper(L, lv_dropdown_create); +} + +static void _lv_dropdown_set_text(void *obj, lua_State *L) +{ + const char *str = lua_tostring(L, -1); + + lv_dropdown_set_text(obj, str); +} + +/* clang-format off */ +static const luavgl_value_setter_t dropdown_property_table[] = { + {"text", SETTER_TYPE_STACK, {.setter_stack = _lv_dropdown_set_text}}, + {"options", SETTER_TYPE_STACK, {.setter_stack = _lv_dummy_set}}, + {"selected", 0, {.setter = (setter_int_t)lv_dropdown_set_selected}}, + {"dir", 0, {.setter = (setter_int_t)lv_dropdown_set_dir}}, + {"symbol", SETTER_TYPE_IMGSRC, {.setter_pointer = (setter_pointer_t)lv_dropdown_set_symbol}}, + {"highlight", 0, {.setter = (setter_int_t)lv_dropdown_set_selected_highlight}}, +}; +/* clang-format on */ + +LUALIB_API int luavgl_dropdown_set_property_kv(lua_State *L, void *data) +{ + lv_obj_t *obj = data; + int ret = luavgl_set_property(L, obj, dropdown_property_table); + + if (ret == 0) { + return 0; + } + + /* a base obj property? */ + ret = luavgl_obj_set_property_kv(L, obj); + if (ret != 0) { + debug("unkown property for dropdown.\n"); + } + + return ret; +} + +static int luavgl_dropdown_set(lua_State *L) +{ + lv_obj_t *obj = luavgl_to_obj(L, 1); + + if (!lua_istable(L, -1)) { + luaL_error(L, "expect a table on 2nd para."); + return 0; + } + + /* set options firstly, otherwise set selected may fail */ + lua_getfield(L, -1, "options"); + if (lua_type(L, -1) == LUA_TSTRING) { + lv_dropdown_set_options(obj, lua_tostring(L, -1)); + } + lua_pop(L, 1); + + luavgl_iterate(L, -1, luavgl_dropdown_set_property_kv, obj); + + return 0; +} + +static int luavgl_dropdown_get(lua_State *L) +{ + lv_obj_t *obj = luavgl_to_obj(L, 1); + + if (lua_type(L, 2) != LUA_TSTRING) { + return luaL_argerror(L, 2, "expect string"); + } + + const char *key = lua_tostring(L, 2); + if (strcmp(key, "list") == 0) { + lv_obj_t *list = lv_dropdown_get_list(obj); + lua_pushlightuserdata(L, list); + lua_rawget(L, LUA_REGISTRYINDEX); + if (lua_isnoneornil(L, -1)) { + lua_pop(L, 1); + luavgl_add_lobj(L, list)->lua_created = false; + } + return 1; + } + + if (strcmp(key, "text") == 0) { + lua_pushstring(L, lv_dropdown_get_text(obj)); + return 1; + } + + if (strcmp(key, "options") == 0) { + lua_pushstring(L, lv_dropdown_get_options(obj)); + return 1; + } + + if (strcmp(key, "selected") == 0) { + lua_pushinteger(L, lv_dropdown_get_selected(obj)); + return 1; + } + + if (strcmp(key, "option_cnt") == 0) { + lua_pushinteger(L, lv_dropdown_get_option_cnt(obj)); + return 1; + } + + if (strcmp(key, "selected_str") == 0) { + char buf[64]; + lv_dropdown_get_selected_str(obj, buf, sizeof(buf)); + lua_pushstring(L, buf); + return 1; + } + + if (strcmp(key, "option_index") == 0) { + const char *option = lua_tostring(L, 3); + lua_pushinteger(L, lv_dropdown_get_option_index(obj, option)); + return 1; + } + + if (strcmp(key, "symbol") == 0) { + lua_pushlightuserdata(L, (void *)lv_dropdown_get_symbol(obj)); + return 1; + } + + if (strcmp(key, "dir") == 0) { + lua_pushinteger(L, lv_dropdown_get_dir(obj)); + return 1; + } + + return 0; +} + +static int luavgl_dropdown_open(lua_State *L) +{ + lv_obj_t *obj = luavgl_to_obj(L, 1); + lv_dropdown_open(obj); + return 0; +} + +static int luavgl_dropdown_close(lua_State *L) +{ + lv_obj_t *obj = luavgl_to_obj(L, 1); + lv_dropdown_close(obj); + return 0; +} + +static int luavgl_dropdown_is_open(lua_State *L) +{ + lv_obj_t *obj = luavgl_to_obj(L, 1); + lua_pushboolean(L, lv_dropdown_is_open(obj)); + return 1; +} + +static int luavgl_dropdown_add_option(lua_State *L) +{ + lv_obj_t *obj = luavgl_to_obj(L, 1); + const char *str = lua_tostring(L, 2); + uint32_t pos = lua_tointeger(L, 3); + lv_dropdown_add_option(obj, str, pos); + + return 0; +} + +static int luavgl_dropdown_clear_option(lua_State *L) +{ + lv_obj_t *obj = luavgl_to_obj(L, 1); + + lv_dropdown_clear_options(obj); + return 0; +} + +static const luaL_Reg luavgl_dropdown_methods[] = { + {"set", luavgl_dropdown_set }, + {"get", luavgl_dropdown_get }, + {"open", luavgl_dropdown_open }, + {"close", luavgl_dropdown_close }, + {"is_open", luavgl_dropdown_is_open }, + {"add_option", luavgl_dropdown_add_option }, + {"clear_option", luavgl_dropdown_clear_option}, + + {NULL, NULL }, +}; + +static void luavgl_dropdown_init(lua_State *L) +{ + luavgl_obj_newmetatable(L, &lv_dropdown_class, "lv_dropdown", + luavgl_dropdown_methods); + lua_pop(L, 1); +} |