6 files changed, 72 insertions, 1 deletions
diff --git a/lib/luavgl/src/imgdata.c b/lib/luavgl/src/imgdata.c
new file mode 100644
index 00000000..9f7a2a01
--- /dev/null
+++ b/lib/luavgl/src/imgdata.c
@@ -0,0 +1,38 @@
+#include "draw/lv_img_buf.h"
+#include "draw/lv_img_decoder.h"
+#include "lauxlib.h"
+#include "lua.h"
+#include "luavgl.h"
+#include "misc/lv_color.h"
+#include "misc/lv_mem.h"
+#include "misc/lv_types.h"
+#include "private.h"
+#include <stdint.h>
+#include <string.h>
+
+static int luavgl_imgdata_create(lua_State *L)
+{
+  if (!lua_isstring(L, 1)) {
+    return luaL_argerror(L, 1, "expect string");
+  }
+
+  lv_img_decoder_dsc_t descriptor;
+  lv_res_t res =
+      lv_img_decoder_open(&descriptor, lua_tostring(L, 1), lv_color_black(), 0);
+  if (res != LV_RES_OK) {
+    return luaL_error(L, "failed to decode image.");
+  }
+
+  lv_img_dsc_t *data = lv_mem_alloc(sizeof(lv_img_dsc_t));
+  data->header = descriptor.header;
+  data->data_size = data->header.w * data->header.h * sizeof(uint32_t); // ???
+
+  uint8_t *data_copy = lv_mem_alloc(data->data_size);
+  memcpy(data_copy, descriptor.img_data, data->data_size);
+  data->data = data_copy;
+
+  lv_img_decoder_close(&descriptor);
+
+  lua_pushlightuserdata(L, data);
+  return 1;
+}
diff --git a/lib/luavgl/src/luavgl.c b/lib/luavgl/src/luavgl.c
index 86c1a108..2d0af07a 100644
--- a/lib/luavgl/src/luavgl.c
+++ b/lib/luavgl/src/luavgl.c
@@ -7,6 +7,7 @@
 #include "font.c"
 #include "fs.c"
 #include "group.c"
+#include "imgdata.c"
 #include "indev.c"
 #include "obj.c"
 #include "timer.c"
@@ -17,6 +18,7 @@ static const struct luaL_Reg luavgl_methods[] = {
     {"Font",  luavgl_font_create }, /* font.c */
     {"Style", luavgl_style_create}, /* style.c */
     {"Anim",  luavgl_anim_create }, /* anim.c */
+    {"ImgData",  luavgl_imgdata_create}, /* imgdata.c */
 
     {NULL,    NULL               },
 };
diff --git a/lib/luavgl/src/luavgl.h b/lib/luavgl/src/luavgl.h
index b26bb5c7..c76a6493 100644
--- a/lib/luavgl/src/luavgl.h
+++ b/lib/luavgl/src/luavgl.h
@@ -158,6 +158,11 @@ LUALIB_API int luavgl_obj_getuserdatauv(lua_State *L, int idx);
 LUALIB_API lv_obj_t *luavgl_to_obj(lua_State *L, int idx);
 
 /**
+ * @brief Get lvgl style from stack
+ */
+LUALIB_API lv_style_t *luavgl_to_style(lua_State *L, int idx);
+
+/**
  * @brief Convert value to integer
  *
  * Supported values are: integer, float, boolean
diff --git a/lib/luavgl/src/lvgl.lua b/lib/luavgl/src/lvgl.lua
index e06f673d..c8aba5e0 100644
--- a/lib/luavgl/src/lvgl.lua
+++ b/lib/luavgl/src/lvgl.lua
@@ -1098,6 +1098,11 @@ end
 function slider:value()
 end
 
+--- get whether slider is dragged or not
+--- @return boolean
+function slider:is_dragged()
+end
+
 ---
 --- Switch widget
 ---@class Switch:Object
@@ -1374,7 +1379,7 @@ end
 --- @field pad_gap? integer
 --- @field bg_color? integer | string text color in hex integer or #RGB or #RRGGBB format
 --- @field bg_opa? integer
---- @field bg_grad_color? integer
+--- @field bg_grad_color? integer | string text color in hex integer or #RGB or #RRGGBB format
 --- @field bg_grad_dir? integer
 --- @field bg_main_stop? integer
 --- @field bg_grad_stop? integer
diff --git a/lib/luavgl/src/util.c b/lib/luavgl/src/util.c
index 2042a6d9..7fb86906 100644
--- a/lib/luavgl/src/util.c
+++ b/lib/luavgl/src/util.c
@@ -272,6 +272,17 @@ LUALIB_API lv_obj_t *luavgl_to_obj(lua_State *L, int idx)
   return lobj->obj;
 }
 
+LUALIB_API lv_style_t *luavgl_to_style(lua_State *L, int idx)
+{
+  luavgl_style_t *lsty = luavgl_check_style(L, idx);
+  if (lsty == NULL) {
+    luaL_argerror(L, idx, "expect lua lvgl style, got null");
+    return NULL;
+  }
+
+  return &lsty->style;
+}
+
 LUALIB_API int luavgl_tointeger(lua_State *L, int idx)
 {
   int v = 0;
diff --git a/lib/luavgl/src/widgets/slider.c b/lib/luavgl/src/widgets/slider.c
index c385f6bb..ad093fb5 100644
--- a/lib/luavgl/src/widgets/slider.c
+++ b/lib/luavgl/src/widgets/slider.c
@@ -73,9 +73,19 @@ static int luavgl_slider_tostring(lua_State *L) {
   return 1;
 }
 
+static int luavgl_slider_is_dragged(lua_State *L) {
+  lv_obj_t *obj = luavgl_to_obj(L, 1);
+  bool is_dragged = lv_slider_is_dragged(obj);
+  lv_group_t * g   = lv_obj_get_group(obj);
+  bool editing     = lv_group_get_editing(g);
+  lua_pushboolean(L, editing || is_dragged);
+  return 1;
+}
+
 static const luaL_Reg luavgl_slider_methods[] = {
     {"set", luavgl_slider_set},
     {"value", luavgl_slider_value},
+    {"is_dragged", luavgl_slider_is_dragged},
     {NULL, NULL},
 };