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| author | jacqueline <me@jacqueline.id.au> | 2023-11-12 19:14:09 +1100 |
|---|---|---|
| committer | jacqueline <me@jacqueline.id.au> | 2023-11-12 19:14:09 +1100 |
| commit | 8a0a167adbf3d9b6f8b6f16aaf20ca39ad5549de (patch) | |
| tree | 02b6cf23f591915747ec2994381854a79979c4a0 /lib/luavgl/simulator/widgets/pointer.c | |
| parent | 8471046a95ab9e00f7d42b56dbbc9ce3e5b424b9 (diff) | |
| download | tangara-fw-8a0a167adbf3d9b6f8b6f16aaf20ca39ad5549de.tar.gz | |
Convert the main menu screen to lua lol
Diffstat (limited to 'lib/luavgl/simulator/widgets/pointer.c')
| -rw-r--r-- | lib/luavgl/simulator/widgets/pointer.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/lib/luavgl/simulator/widgets/pointer.c b/lib/luavgl/simulator/widgets/pointer.c new file mode 100644 index 00000000..b1161194 --- /dev/null +++ b/lib/luavgl/simulator/widgets/pointer.c @@ -0,0 +1,101 @@ +#include <lauxlib.h> +#include <lua.h> + +#include <lvgl.h> +#include <stdlib.h> + +#include <luavgl.h> + +#include "lv_pointer.h" + +static int luavgl_pointer_create(lua_State *L) +{ + return luavgl_obj_create_helper(L, lv_pointer_create); +} + +static void _lv_pointer_set_range(void *obj, lua_State *L) +{ + if (!lua_istable(L, -1)) { + luaL_argerror(L, -1, "expect date table."); + return; + } + + uint32_t value_start, value_range, angle_start, angle_range; + lua_getfield(L, -1, "valueStart"); + value_start = lua_tointeger(L, -1); + lua_pop(L, 1); + + lua_getfield(L, -1, "valueRange"); + value_range = lua_tointeger(L, -1); + lua_pop(L, 1); + + lua_getfield(L, -1, "angleStart"); + angle_start = lua_tointeger(L, -1); + lua_pop(L, 1); + + lua_getfield(L, -1, "angleRange"); + angle_range = lua_tointeger(L, -1); + lua_pop(L, 1); + + lv_pointer_set_range(obj, value_start, value_range, angle_start, + angle_range); +} + +/* clang-format off */ +static const luavgl_value_setter_t pointer_property_table[] = { + {"range", SETTER_TYPE_STACK, {.setter_stack = _lv_pointer_set_range}}, + {"value", SETTER_TYPE_INT, {.setter = (setter_int_t)lv_pointer_set_value}}, +}; + +/* clang-format on */ + +static int luavgl_pointer_set_property_kv(lua_State *L, void *data) +{ + lv_obj_t *obj = data; + int ret = luavgl_set_property(L, obj, pointer_property_table); + + if (ret == 0) { + return 0; + } + + /* a base obj property? */ + ret = luavgl_img_set_property_kv(L, obj); + if (ret != 0) { + printf("unkown property for pointer: %s\n", lua_tostring(L, -2)); + } + + return -1; +} + +static int luavgl_pointer_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_pointer_set_property_kv, obj); + + return 0; +} + +static const luaL_Reg luavgl_pointer_methods[] = { + {"set", luavgl_pointer_set}, + + {NULL, NULL }, +}; + +void luavgl_pointer_init(lua_State *L) +{ + luavgl_obj_newmetatable(L, &lv_pointer_class, "lv_pointer", + luavgl_pointer_methods); + lua_pop(L, 1); + + luaL_getmetatable(L, "widgets"); + lua_getfield(L, -1, "__index"); + lua_pushcfunction(L, luavgl_pointer_create); + lua_setfield(L, -2, "Pointer"); + lua_pop(L, 2); +} |
