Migrate 'now playing' screen to lua

2 files changed, 99 insertions, 0 deletions

diff --git a/lib/luavgl/src/widgets/bar.c b/lib/luavgl/src/widgets/bar.c
new file mode 100644
index 00000000..bab38aae
--- /dev/null
+++ b/lib/luavgl/src/widgets/bar.c
@@ -0,0 +1,87 @@
+#include "luavgl.h"
+#include "private.h"
+#include <src/misc/lv_anim.h>
+#include <src/widgets/lv_bar.h>
+
+static int luavgl_bar_create(lua_State *L)
+{
+  return luavgl_obj_create_helper(L, lv_bar_create);
+}
+
+static void _lv_bar_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_bar_set_range(obj, min, max);
+}
+
+static void _lv_bar_set_value(void *obj, int value)
+{
+  lv_bar_set_value(obj, value, LV_ANIM_OFF);
+}
+
+static const luavgl_value_setter_t bar_property_table[] = {
+    {"range", SETTER_TYPE_STACK, {.setter_stack = _lv_bar_set_range}},
+    {"value", SETTER_TYPE_INT, {.setter = (setter_int_t)_lv_bar_set_value}},
+};
+
+LUALIB_API int luavgl_bar_set_property_kv(lua_State *L, void *data)
+{
+  lv_obj_t *obj = data;
+  int ret = luavgl_set_property(L, obj, bar_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 bar.\n");
+  }
+
+  return ret;
+}
+
+static int luavgl_bar_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_bar_set_property_kv, obj);
+
+  return 0;
+}
+
+static int luavgl_bar_tostring(lua_State *L)
+{
+  lv_obj_t *obj = luavgl_to_obj(L, 1);
+  lua_pushfstring(L, "lv_bar:%p", obj);
+  return 1;
+}
+
+static const luaL_Reg luavgl_bar_methods[] = {
+    {"set",             luavgl_bar_set            },
+    {NULL,              NULL                      },
+};
+
+static void luavgl_bar_init(lua_State *L)
+{
+  luavgl_obj_newmetatable(L, &lv_bar_class, "lv_bar", luavgl_bar_methods);
+  lua_pushcfunction(L, luavgl_bar_tostring);
+  lua_setfield(L, -2, "__tostring");
+  lua_pop(L, 1);
+}
diff --git a/lib/luavgl/src/widgets/widgets.c b/lib/luavgl/src/widgets/widgets.c
index 19b789a7..e5f64f23 100644
--- a/lib/luavgl/src/widgets/widgets.c
+++ b/lib/luavgl/src/widgets/widgets.c
@@ -1,6 +1,10 @@
 #include "luavgl.h"
 #include "private.h"
 
+#if LV_USE_BAR
+#include "bar.c"
+#endif
+
 #if LV_USE_BTN
 #include "btn.c"
 #endif
@@ -50,6 +54,10 @@ static int luavgl_obj_create(lua_State *L);
 static const luaL_Reg widget_create_methods[] = {
     {"Object",   luavgl_obj_create     },
 
+#if LV_USE_BAR
+    {"Bar", luavgl_bar_create},
+#endif
+
 #if LV_USE_BTN
     {"Button", luavgl_btn_create},
 #endif
@@ -142,4 +150,8 @@ static void luavgl_widgets_init(lua_State *L)
   luavgl_btn_init(L);
 #endif
 
+#if LV_USE_BAR
+  luavgl_bar_init(L);
+#endif
+
 }