fixes

src/node_progress_bar.cpp

@@ -19,6 +19,7 @@ void NodeProgressBar::init()
     btn_cancel = find<NodeButton>("btn-cancel");
     btn_cancel->on_click = [&](Node*) { destroy(); };
     m_progress = find<NodeBorder>("progress");
+    m_body = find<NodeBorder>("body");
     
     m_progress->SetWidthP(0);
 }
@@ -34,3 +35,9 @@ void NodeProgressBar::set_progress(float p) noexcept
 {
     m_progress->SetWidthP(p * 100.f);
 }
+
+void NodeProgressBar::added(Node* parent)
+{
+    NodeBorder::added(parent);
+    m_body->mouse_capture();
+}