From a2b888efd653f383d88c5307faec0bfdba524636 Mon Sep 17 00:00:00 2001
From: omigamedev <omarator@gmail.com>
Date: Sat, 19 Aug 2017 16:59:05 +0100
Subject: [PATCH] fix mouse capture bug

---
 engine/node.cpp        | 7 +++++++
 engine/node_canvas.cpp | 1 +
 2 files changed, 8 insertions(+)

diff --git a/engine/node.cpp b/engine/node.cpp
index 8f00c16..0b1fc52 100644
--- 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;
 }
diff --git a/engine/node_canvas.cpp b/engine/node_canvas.cpp
index 27beec6..a0a31ee 100644
--- a/engine/node_canvas.cpp
+++ b/engine/node_canvas.cpp
@@ -284,4 +284,5 @@ void NodeCanvas::reset_camera()
     m_canvas->m_cam_rot = {0, 0};
     m_canvas->m_cam_pos = {0, 0, 0};
     m_canvas->m_cam_fov = 85;
+    m_canvas->m_pan = {0, 0};
 }