fix mouse capture bug

2017-08-19 16:59:05 +01:00
parent da4bfff69b
commit a2b888efd6
2 changed files with 8 additions and 0 deletions
--- a/engine/node.cpp
+++ b/engine/node.cpp
@@ -286,12 +286,19 @@ glm::vec4 Node::get_children_rect() const

 void Node::mouse_capture()
 {
+    // already owner of capture
+    if (root()->current_mouse_capture == this)
+        return;
+    
+    // cancel previous owner
    if (auto n = root()->current_mouse_capture)
    {
        MouseEvent e;
        e.m_type = kEventType::MouseCancel;
        n->handle_event(&e);
    }
+    
+    // make current
    root()->current_mouse_capture = this;
    m_mouse_captured = true;
 }