From f374091b9f5f354136c2c9b9ba54e1df0f382349 Mon Sep 17 00:00:00 2001
From: Nicolas Mellado <nmellado0@gmail.com>
Date: Thu, 13 Jan 2022 16:09:57 +0100
Subject: [PATCH] [Gui] Propage Mouse events using Qt signals

---
 src/Gui/Viewer/Viewer.cpp | 3 +++
 src/Gui/Viewer/Viewer.hpp | 7 +++++++
 2 files changed, 10 insertions(+)

diff --git a/src/Gui/Viewer/Viewer.cpp b/src/Gui/Viewer/Viewer.cpp
index 47c574367ce..999b0b43d22 100644
--- a/src/Gui/Viewer/Viewer.cpp
+++ b/src/Gui/Viewer/Viewer.cpp
@@ -541,11 +541,13 @@ void Viewer::mousePressEvent( QMouseEvent* event ) {
     m_depthUnderMouse = result.getDepth();
 
     handleMousePressEvent( event, result );
+    emit onMousePress( event );
     emit needUpdate();
 }
 
 void Viewer::mouseReleaseEvent( QMouseEvent* event ) {
     handleMouseReleaseEvent( event );
+    emit onMouseRelease( event );
     emit needUpdate();
 }
 
@@ -561,6 +563,7 @@ void Viewer::mouseMoveEvent( QMouseEvent* event ) {
     m_depthUnderMouse = result.getDepth();
 
     handleMouseMoveEvent( event, result );
+    emit onMouseMove( event );
     emit needUpdate();
 }
 
diff --git a/src/Gui/Viewer/Viewer.hpp b/src/Gui/Viewer/Viewer.hpp
index dd3400bbdcc..a9a3b45f9b7 100644
--- a/src/Gui/Viewer/Viewer.hpp
+++ b/src/Gui/Viewer/Viewer.hpp
@@ -181,6 +181,13 @@ class RA_GUI_API Viewer : public WindowQt, public KeyMappingManageable<Viewer>
 
     void needUpdate();
 
+    /// Event sent after a mouse press event has been processed, but before emitting needUpdate()
+    void onMousePress( QMouseEvent* event );
+    /// Event sent after a mouse release event has been processed, but before emitting needUpdate()
+    void onMouseRelease( QMouseEvent* event );
+    /// Event sent after a mouse move event has been processed, but before emitting needUpdate()
+    void onMouseMove( QMouseEvent* event );
+
   public slots:
     /// Tell the renderer to reload all shaders.
     void reloadShaders();