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#include "luavgl.h"
#include "private.h"
static int luavgl_label_create(lua_State *L)
{
return luavgl_obj_create_helper(L, lv_label_create);
}
static void _lv_label_set_txt(void *obj, lua_State *L)
{
if (!lua_isstring(L, -1)) {
luaL_argerror(L, -1, "only support string for text.");
return;
}
lv_label_set_text(obj, lua_tostring(L, -1));
}
static const luavgl_value_setter_t label_property_table[] = {
{"text", SETTER_TYPE_STACK, {.setter_stack = _lv_label_set_txt} },
{"long_mode", 0, {.setter = (setter_int_t)lv_label_set_long_mode} },
{"recolor", 0, {.setter = (setter_int_t)lv_label_set_recolor} },
#if LVGL_VERSION_MAJOR == 9
{"text_selection_start",
0, {.setter = (setter_int_t)lv_label_set_text_selection_start}},
{"text_selection_end",
0, {.setter = (setter_int_t)lv_label_set_text_selection_end} },
#else
{"text_selection_start",
0,
{.setter = (setter_int_t)lv_label_set_text_sel_start}},
{"text_selection_end",
0,
{.setter = (setter_int_t)lv_label_set_text_sel_end}},
#endif
};
LUALIB_API int luavgl_label_set_property_kv(lua_State *L, void *data)
{
lv_obj_t *obj = data;
int ret = luavgl_set_property(L, obj, label_property_table);
if (ret == 0) {
return 0;
}
/* a base obj property? */
ret = luavgl_obj_set_property_kv(L, obj);
if (ret != 0) {
LV_LOG_ERROR("unkown property for label");
}
return ret;
}
static int luavgl_label_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;
}
luavgl_iterate(L, -1, luavgl_label_set_property_kv, obj);
return 0;
}
static int luavgl_label_get_text(lua_State *L)
{
lv_obj_t *obj = luavgl_to_obj(L, 1);
lua_pushstring(L, lv_label_get_text(obj));
return 1;
}
static int luavgl_label_get_long_mode(lua_State *L)
{
lv_obj_t *obj = luavgl_to_obj(L, 1);
lua_pushinteger(L, lv_label_get_long_mode(obj));
return 1;
}
static int luavgl_label_get_recolor(lua_State *L)
{
lv_obj_t *obj = luavgl_to_obj(L, 1);
lua_pushinteger(L, lv_label_get_recolor(obj));
return 1;
}
static int luavgl_label_ins_text(lua_State *L)
{
lv_obj_t *obj = luavgl_to_obj(L, 1);
uint32_t pos = luavgl_tointeger(L, 2);
const char *txt = lua_tostring(L, 3);
lv_label_ins_text(obj, pos, txt);
return 0;
}
static int luavgl_label_cut_text(lua_State *L)
{
lv_obj_t *obj = luavgl_to_obj(L, 1);
uint32_t pos = luavgl_tointeger(L, 2);
uint32_t cnt = luavgl_tointeger(L, 3);
lv_label_cut_text(obj, pos, cnt);
return 0;
}
/* demo purpose, there is no need to use set_text_static */
static int luavgl_label_set_text_static(lua_State *L)
{
const char *str = lua_tostring(L, 2);
luavgl_obj_t *lobj = luavgl_to_lobj(L, 1);
if (lobj->obj == NULL) {
return luaL_error(L, "obj null.");
}
luavgl_obj_getuserdatauv(L, 1);
/* uservalue is on top */
lua_pushvalue(L, 2);
lua_setfield(L, -2, "text_static");
lv_label_set_text_static(lobj->obj, str);
return 0;
}
static int luavgl_label_tostring(lua_State *L)
{
lv_obj_t *obj = luavgl_to_obj(L, 1);
lua_pushfstring(L, "lv_label:%p, text: %s", obj, lv_label_get_text(obj));
return 1;
}
static const luaL_Reg luavgl_label_methods[] = {
{"set", luavgl_label_set },
{"set_text_static", luavgl_label_set_text_static},
{"get_text", luavgl_label_get_text },
{"get_long_mode", luavgl_label_get_long_mode },
{"get_recolor", luavgl_label_get_recolor },
{"ins_text", luavgl_label_ins_text },
{"cut_text", luavgl_label_cut_text },
{NULL, NULL },
};
static void luavgl_label_init(lua_State *L)
{
luavgl_obj_newmetatable(L, &lv_label_class, "lv_label", luavgl_label_methods);
lua_pushcfunction(L, luavgl_label_tostring);
lua_setfield(L, -2, "__tostring");
lua_pop(L, 1);
}
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