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authorjacqueline <me@jacqueline.id.au>2024-01-15 12:31:20 +1100
committerjacqueline <me@jacqueline.id.au>2024-01-15 12:31:20 +1100
commit7cdcd44e0ca10ebdc796638190ed1d9b45d99ef0 (patch)
tree637b43848d17c9dbdc1688cb4733eb235f223e37 /lib/luavgl/src/widgets/slider.c
parent0e04eb918ec976017276306181282769d8896c83 (diff)
downloadtangara-fw-7cdcd44e0ca10ebdc796638190ed1d9b45d99ef0.tar.gz
Begin migration of remaining screens to Lua
Diffstat (limited to 'lib/luavgl/src/widgets/slider.c')
-rw-r--r--lib/luavgl/src/widgets/slider.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/lib/luavgl/src/widgets/slider.c b/lib/luavgl/src/widgets/slider.c
new file mode 100644
index 00000000..c385f6bb
--- /dev/null
+++ b/lib/luavgl/src/widgets/slider.c
@@ -0,0 +1,88 @@
+#include "lua.h"
+#include "luavgl.h"
+#include "private.h"
+#include <src/widgets/lv_slider.h>
+
+static int luavgl_slider_create(lua_State *L) {
+ return luavgl_obj_create_helper(L, lv_slider_create);
+}
+
+static void _lv_slider_set_range(void *obj, lua_State *L) {
+ int min = 0, max = 100;
+
+ int type = lua_type(L, -1);
+ if (type == LUA_TTABLE) {
+ lua_getfield(L, -1, "min");
+ min = lua_tointeger(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, -1, "max");
+ max = luavgl_tointeger(L, -1);
+ lua_pop(L, 1);
+ }
+
+ lv_slider_set_range(obj, min, max);
+}
+
+static void _lv_slider_set_value(void *obj, int value) {
+ lv_slider_set_value(obj, value, LV_ANIM_OFF);
+}
+
+static const luavgl_value_setter_t slider_property_table[] = {
+ {"range", SETTER_TYPE_STACK, {.setter_stack = _lv_slider_set_range}},
+ {"value", SETTER_TYPE_INT, {.setter = (setter_int_t)_lv_slider_set_value}},
+};
+
+LUALIB_API int luavgl_slider_set_property_kv(lua_State *L, void *data) {
+ lv_obj_t *obj = data;
+ int ret = luavgl_set_property(L, obj, slider_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 slider.\n");
+ }
+
+ return ret;
+}
+
+static int luavgl_slider_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_slider_set_property_kv, obj);
+
+ return 0;
+}
+
+static int luavgl_slider_value(lua_State *L) {
+ lv_obj_t *obj = luavgl_to_obj(L, 1);
+ lua_pushinteger(L, lv_slider_get_value(obj));
+ return 1;
+}
+
+static int luavgl_slider_tostring(lua_State *L) {
+ lv_obj_t *obj = luavgl_to_obj(L, 1);
+ lua_pushfstring(L, "lv_slider:%p", obj);
+ return 1;
+}
+
+static const luaL_Reg luavgl_slider_methods[] = {
+ {"set", luavgl_slider_set},
+ {"value", luavgl_slider_value},
+ {NULL, NULL},
+};
+
+static void luavgl_slider_init(lua_State *L) {
+ luavgl_obj_newmetatable(L, &lv_slider_class, "lv_slider",
+ luavgl_slider_methods);
+ lua_pushcfunction(L, luavgl_slider_tostring);
+ lua_setfield(L, -2, "__tostring");
+ lua_pop(L, 1);
+}