From 7cdcd44e0ca10ebdc796638190ed1d9b45d99ef0 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Mon, 15 Jan 2024 12:31:20 +1100
Subject: Begin migration of remaining screens to Lua

---
 lib/luavgl/src/widgets/slider.c | 88 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 lib/luavgl/src/widgets/slider.c

(limited to 'lib/luavgl/src/widgets/slider.c')

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);
+}
-- 
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