feat(tabview): add property interface support

Add property interface for tabview widget:
- TAB_ACTIVE, TAB_BAR_POSITION
- Add public getter lv_tabview_get_tab_bar_position
- Add property test function

src/core/lv_obj_property.h

@@ -114,6 +114,7 @@ enum _lv_prop_id_range_boundary_t {
     LV_PROPERTY_SPINBOX_START   = 0x1100, /* lv_spinbox.c */
     LV_PROPERTY_SPINNER_START   = 0x1200, /* lv_spinner.c */
     LV_PROPERTY_TABLE_START     = 0x1300, /* lv_table.c */
+    LV_PROPERTY_TABVIEW_START   = 0x1400, /* lv_tabview.c */
 
     /*Special ID, use it to extend ID and make sure it's unique and compile time determinant*/
     LV_PROPERTY_ID_BUILTIN_LAST = 0xffff, /*ID of 0x10000 ~ 0xfffffff is reserved for user*/

src/widgets/property/lv_obj_property_names.h

@@ -29,6 +29,7 @@
     extern const lv_property_name_t lv_style_property_names[123];
     extern const lv_property_name_t lv_switch_property_names[1];
     extern const lv_property_name_t lv_table_property_names[2];
+    extern const lv_property_name_t lv_tabview_property_names[2];
     extern const lv_property_name_t lv_textarea_property_names[15];
 #endif
 #endif

src/widgets/property/lv_tabview_properties.c

@@ -0,0 +1,24 @@
+
+/**
+ * GENERATED FILE, DO NOT EDIT IT!
+ * @file lv_tabview_properties.c
+ */
+
+#include "../tabview/lv_tabview.h"
+
+#if LV_USE_OBJ_PROPERTY && LV_USE_OBJ_PROPERTY_NAME
+
+#if LV_USE_TABVIEW
+/**
+ * Tabview widget property names, name must be in order.
+ * Generated code from properties.py
+ */
+/* *INDENT-OFF* */
+const lv_property_name_t lv_tabview_property_names[2] = {
+    {"tab_active",             LV_PROPERTY_TABVIEW_TAB_ACTIVE,},
+    {"tab_bar_position",       LV_PROPERTY_TABVIEW_TAB_BAR_POSITION,},
+};
+#endif /*LV_USE_TABVIEW*/
+
+/* *INDENT-ON* */
+#endif

src/widgets/tabview/lv_tabview.c

@@ -32,9 +32,32 @@ static void lv_tabview_event(const lv_obj_class_t * class_p, lv_event_t * e);
 static void button_clicked_event_cb(lv_event_t * e);
 static void cont_scroll_end_event_cb(lv_event_t * e);
 
+#if LV_USE_OBJ_PROPERTY
+static void lv_tabview_set_tab_active_property(lv_obj_t * obj, uint32_t idx)
+{
+    lv_tabview_set_active(obj, idx, LV_ANIM_OFF);
+}
+#endif
+
 /**********************
  *  STATIC VARIABLES
  **********************/
+
+#if LV_USE_OBJ_PROPERTY
+static const lv_property_ops_t lv_tabview_properties[] = {
+    {
+        .id = LV_PROPERTY_TABVIEW_TAB_ACTIVE,
+        .setter = lv_tabview_set_tab_active_property,
+        .getter = lv_tabview_get_tab_active,
+    },
+    {
+        .id = LV_PROPERTY_TABVIEW_TAB_BAR_POSITION,
+        .setter = lv_tabview_set_tab_bar_position,
+        .getter = lv_tabview_get_tab_bar_position,
+    },
+};
+#endif
+
 const lv_obj_class_t lv_tabview_class = {
     .constructor_cb = lv_tabview_constructor,
     .event_cb = lv_tabview_event,
@@ -43,6 +66,7 @@ const lv_obj_class_t lv_tabview_class = {
     .base_class = &lv_obj_class,
     .instance_size = sizeof(lv_tabview_t),
     .name = "lv_tabview",
+    LV_PROPERTY_CLASS_FIELDS(tabview, TABVIEW)
 };
 
 typedef struct {
@@ -285,6 +309,13 @@ lv_obj_t * lv_tabview_get_tab_bar(lv_obj_t * tv)
     return lv_obj_get_child(tv, 0);
 }
 
+lv_dir_t lv_tabview_get_tab_bar_position(lv_obj_t * obj)
+{
+    LV_ASSERT_OBJ(obj, MY_CLASS);
+    lv_tabview_t * tabview = (lv_tabview_t *)obj;
+    return tabview->tab_pos;
+}
+
 /**********************
  *   STATIC FUNCTIONS
  **********************/

src/widgets/tabview/lv_tabview.h

@@ -15,6 +15,7 @@ extern "C" {
  *********************/
 #include "../../lv_conf_internal.h"
 #include "../../core/lv_obj.h"
+#include "../../core/lv_obj_property.h"
 
 #if LV_USE_TABVIEW
 
@@ -24,6 +25,14 @@ extern "C" {
 
 LV_ATTRIBUTE_EXTERN_DATA extern const lv_obj_class_t lv_tabview_class;
 
+#if LV_USE_OBJ_PROPERTY
+enum _lv_property_tabview_id_t {
+    LV_PROPERTY_ID(TABVIEW, TAB_ACTIVE,       LV_PROPERTY_TYPE_INT, 0),
+    LV_PROPERTY_ID(TABVIEW, TAB_BAR_POSITION, LV_PROPERTY_TYPE_INT, 1),
+    LV_PROPERTY_TABVIEW_END,
+};
+#endif
+
 /**********************
  * GLOBAL PROTOTYPES
  **********************/
@@ -123,6 +132,13 @@ lv_obj_t * lv_tabview_get_content(lv_obj_t * obj);
  */
 lv_obj_t * lv_tabview_get_tab_bar(lv_obj_t * obj);
 
+/**
+ * Get the position of the tab bar
+ * @param obj       pointer to a tabview widget
+ * @return          LV_DIR_TOP/BOTTOM/LEFT/RIGHT
+ */
+lv_dir_t lv_tabview_get_tab_bar_position(lv_obj_t * obj);
+
 /**********************
  *      MACROS
  **********************/

tests/src/test_cases/widgets/test_tabview.c

@@ -332,4 +332,38 @@ void test_tabview_setting_tab_bar_position_after_size_should_result_in_the_same_
     TEST_ASSERT_EQUAL_SCREENSHOT("widgets/tabview_11.png");
 }
 
+void test_tabview_properties(void)
+{
+#if LV_USE_OBJ_PROPERTY
+    lv_obj_t * tv = lv_tabview_create(lv_screen_active());
+    lv_tabview_add_tab(tv, "Tab 1");
+    lv_tabview_add_tab(tv, "Tab 2");
+    lv_tabview_add_tab(tv, "Tab 3");
+
+    lv_property_t prop = { };
+
+    /* Test TAB_ACTIVE property */
+    prop.id = LV_PROPERTY_TABVIEW_TAB_ACTIVE;
+    prop.num = 1;
+    TEST_ASSERT_TRUE(lv_obj_set_property(tv, &prop) == LV_RESULT_OK);
+    TEST_ASSERT_EQUAL_INT(1, lv_obj_get_property(tv, LV_PROPERTY_TABVIEW_TAB_ACTIVE).num);
+
+    prop.num = 2;
+    TEST_ASSERT_TRUE(lv_obj_set_property(tv, &prop) == LV_RESULT_OK);
+    TEST_ASSERT_EQUAL_INT(2, lv_obj_get_property(tv, LV_PROPERTY_TABVIEW_TAB_ACTIVE).num);
+
+    /* Test TAB_BAR_POSITION property */
+    prop.id = LV_PROPERTY_TABVIEW_TAB_BAR_POSITION;
+    prop.num = LV_DIR_BOTTOM;
+    TEST_ASSERT_TRUE(lv_obj_set_property(tv, &prop) == LV_RESULT_OK);
+    TEST_ASSERT_EQUAL_INT(LV_DIR_BOTTOM, lv_obj_get_property(tv, LV_PROPERTY_TABVIEW_TAB_BAR_POSITION).num);
+
+    prop.num = LV_DIR_LEFT;
+    TEST_ASSERT_TRUE(lv_obj_set_property(tv, &prop) == LV_RESULT_OK);
+    TEST_ASSERT_EQUAL_INT(LV_DIR_LEFT, lv_obj_get_property(tv, LV_PROPERTY_TABVIEW_TAB_BAR_POSITION).num);
+
+    lv_obj_delete(tv);
+#endif
+}
+
 #endif