add MwTreeViewGetOpened

include/Mw/Widget/TreeView.h

@@ -90,6 +90,19 @@ MwInline void MwTreeViewSetOpened(MwWidget handle, void* item, int opened) {
 	MwVaWidgetExecute(handle, "mwTreeViewSetOpened", NULL, item, opened);
 }
 
+/*!
+ * @brief Gets the opened state of ithe item
+ * @param handle Widget
+ * @param item Item
+ * @return Opened or not
+ */
+MwInline int MwTreeViewGetOpened(MwWidget handle, void* item) {
+	int out;
+	MwVaWidgetExecute(handle, "mwTreeViewGetOpened", (void*)&out, item);
+
+	return out;
+}
+
 #ifdef __cplusplus
 }
 #endif

src/widget/treeview.c

@@ -435,6 +435,12 @@ static void mwTreeViewSetOpenedImpl(MwWidget handle, void* item, int opened) {
 	}
 }
 
+static int mwTreeViewGetOpenedImpl(MwWidget handle, void* item) {
+	MwTreeViewEntry* e = item;
+
+	return e->opened;
+}
+
 static void func_handler(MwWidget handle, const char* name, void* out, va_list va) {
 	if(strcmp(name, "mwTreeViewAdd") == 0) {
 		void*	    parent = va_arg(va, void*);
@@ -468,6 +474,10 @@ static void func_handler(MwWidget handle, const char* name, void* out, va_list v
 		int   opened = va_arg(va, int);
 		mwTreeViewSetOpenedImpl(handle, item, opened);
 	}
+	if(strcmp(name, "mwTreeViewGetOpened") == 0) {
+		void* item = va_arg(va, void*);
+		*(int*)out = mwTreeViewGetOpenedImpl(handle, item);
+	}
 }
 
 static void tick(MwWidget handle) {