diff --git a/lv_objx/lv_btnm.c b/lv_objx/lv_btnm.c
index d5aaad9f0..37a72138f 100644
--- a/lv_objx/lv_btnm.c
+++ b/lv_objx/lv_btnm.c
@@ -303,6 +303,25 @@ void lv_btnm_set_action(lv_obj_t * btnm, lv_btnm_action_t action)
     ext->action = action;
 }
 
+/**
+ * Set the pressed button
+ * @param btnm pointer to button matrix object
+ * @param id index of the currently pressed button (`LV_BTNM_PR_NONE` to unpress)
+ */
+void lv_btnm_set_pressed(const lv_obj_t * btnm, uint16_t id)
+{
+    lv_btnm_ext_t * ext = lv_obj_get_ext_attr(btnm);
+
+    if (id >= ext->btn_cnt && id != LV_BTNM_PR_NONE)
+        return;
+
+    if (id == ext->btn_id_pr)
+        return;
+
+    ext->btn_id_pr = id;
+    lv_obj_invalidate(btnm);
+}
+
 /**
  * Enable or disable button toggling
  * @param btnm pointer to button matrix object
diff --git a/lv_objx/lv_btnm.h b/lv_objx/lv_btnm.h
index 0e07b2af9..8fa67e8f6 100644
--- a/lv_objx/lv_btnm.h
+++ b/lv_objx/lv_btnm.h
@@ -141,6 +141,13 @@ void lv_btnm_set_ctrl_map(const lv_obj_t * btnm, const lv_btnm_ctrl_t * ctrl_map
  */
 void lv_btnm_set_action(lv_obj_t * btnm, lv_btnm_action_t action);
 
+/**
+ * Set the pressed button
+ * @param btnm pointer to button matrix object
+ * @param id index of the currently pressed button (`LV_BTNM_PR_NONE` to unpress)
+ */
+void lv_btnm_set_pressed(const lv_obj_t * btnm, uint16_t id);
+
 /**
  * Enable or disable button toggling
  * @param btnm pointer to button matrix object
diff --git a/lv_objx/lv_mbox.c b/lv_objx/lv_mbox.c
index adaf4ad42..06f636d5e 100644
--- a/lv_objx/lv_mbox.c
+++ b/lv_objx/lv_mbox.c
@@ -377,17 +377,29 @@ lv_style_t * lv_mbox_get_style(const lv_obj_t * mbox, lv_mbox_style_t type)
 
 /**
  * Get whether recoloring is enabled
- * @param btnm pointer to button matrix object
+ * @param mbox pointer to a message box object
  * @return whether recoloring is enabled
  */
 bool lv_mbox_get_recolor(const lv_obj_t * mbox)
 {
-	lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
+    lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
 
-	if(!ext->btnm)
-		return false;
+    if(!ext->btnm)
+        return false;
 
-	return lv_btnm_get_recolor(ext->btnm);
+    return lv_btnm_get_recolor(ext->btnm);
+}
+
+/**
+ * Get message box button matrix
+ * @param mbox pointer to a message box object
+ * @return pointer to button matrix object
+ * @remarks return value will be NULL unless `lv_mbox_add_btns` has been already called
+ */
+lv_obj_t * lv_mbox_get_btnm(lv_obj_t * mbox)
+{
+    lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
+    return ext->btnm;
 }
 
 
diff --git a/lv_objx/lv_mbox.h b/lv_objx/lv_mbox.h
index 9a25a76e3..0526fae88 100644
--- a/lv_objx/lv_mbox.h
+++ b/lv_objx/lv_mbox.h
@@ -184,11 +184,19 @@ lv_style_t * lv_mbox_get_style(const lv_obj_t *mbox, lv_mbox_style_t type);
 
 /**
  * Get whether recoloring is enabled
- * @param btnm pointer to button matrix object
+ * @param mbox pointer to a message box object
  * @return whether recoloring is enabled
  */
 bool lv_mbox_get_recolor(const lv_obj_t * mbox);
 
+/**
+ * Get message box button matrix
+ * @param mbox pointer to a message box object
+ * @return pointer to button matrix object
+ * @remarks return value will be NULL unless `lv_mbox_add_btns` has been already called
+ */
+lv_obj_t * lv_mbox_get_btnm(lv_obj_t * mbox);
+
 /**********************
  *      MACROS
  **********************/