More updates for the GL widget set.

Now all the mouse tracking/hovering is working - with one exception:
  All the mouse hover detection is based around mouse **movement** - so programmatic changes to a window will not detect the change in what is directly under the mouse without manual intervention in the code.

6 files changed, 33 insertions, 8 deletions

diff --git a/src-qt5/src-glwidgets/gltest/main.cpp b/src-qt5/src-glwidgets/gltest/main.cpp
index c3edd088..972c4225 100644
--- a/src-qt5/src-glwidgets/gltest/main.cpp
+++ b/src-qt5/src-glwidgets/gltest/main.cpp
@@ -32,7 +32,7 @@ int main(int argc, char** argv){
       anim.setEndValue(QRect(0,0,200,200));
       anim.setDuration(1500);
       anim.setLoopCount(-1);
-      anim.start();
+      //anim.start();
     /*QPushButton but(&base);
       but.setText("button");
       but.setGeometry(100,100,50,50);
diff --git a/src-qt5/src-glwidgets/gltest/test b/src-qt5/src-glwidgets/gltest/test
index cb8fe872..cf9d2c31 100755
--- a/src-qt5/src-glwidgets/gltest/test
+++ b/src-qt5/src-glwidgets/gltest/test
diff --git a/src-qt5/src-glwidgets/glw-base.cpp b/src-qt5/src-glwidgets/glw-base.cpp
index 8841743d..d4279c61 100644
--- a/src-qt5/src-glwidgets/glw-base.cpp
+++ b/src-qt5/src-glwidgets/glw-base.cpp
@@ -9,12 +9,17 @@
 
 GLW_Base::GLW_Base(QWidget *parent, Qt::WindowFlags f) : QOpenGLWidget(parent,f){
   bg_color = QColor(Qt::black);
+  mouse_over_child = 0;
 }
 
 GLW_Base::~GLW_Base(){
 
 }
 
+QWidget * GLW_Base::mouseOverWidget(){
+  return mouse_over_child;
+}
+
 // --- PUBLIC SLOTS ---
 void GLW_Base::setBackgroundColor(QColor color){
   bg_color = color;
@@ -32,7 +37,16 @@ void GLW_Base::repaintArea(QRect rect){
   paintEvent(new QPaintEvent(rect));
 }
 
+void GLW_Base::setMouseOverWidget(QWidget *child){
+  mouse_over_child = child;
+}
+
 // --- PROTECTED ---
+void GLW_Base::mouseMoveEvent(QMouseEvent *ev){
+  mouse_over_child = 0; //reset this flag - mouse is over the base right now
+  QWidget::mouseMoveEvent(ev);
+}
+
 void GLW_Base::resizeEvent(QResizeEvent *ev){
   QOpenGLWidget::resizeEvent(ev);
   if(!bg_img.isNull()){
diff --git a/src-qt5/src-glwidgets/glw-base.h b/src-qt5/src-glwidgets/glw-base.h
index 729aa68e..3c3d1d4e 100644
--- a/src-qt5/src-glwidgets/glw-base.h
+++ b/src-qt5/src-glwidgets/glw-base.h
@@ -19,11 +19,13 @@ class GLW_Base : public QOpenGLWidget{
 private:
 	QColor bg_color;
 	QImage bg_img;
+	QWidget *mouse_over_child;
 
 public:
 	GLW_Base(QWidget *parent = Q_NULLPTR, Qt::WindowFlags f = Qt::WindowFlags());
 	~GLW_Base();
 
+	QWidget * mouseOverWidget();
 
 private slots:
 
@@ -31,11 +33,13 @@ public slots:
 	void setBackgroundColor(QColor color);
 	void setBackground(QRect geom, QImage img);
 	void repaintArea(QRect);
+	void setMouseOverWidget(QWidget*);
 
 signals:
 	void BaseResized();
 
 protected:
+	void mouseMoveEvent(QMouseEvent *ev);
 	void resizeEvent(QResizeEvent *ev);
 	void paintEvent(QPaintEvent *ev);
 };
diff --git a/src-qt5/src-glwidgets/glw-widget.cpp b/src-qt5/src-glwidgets/glw-widget.cpp
index d07c0431..e6c98d74 100644
--- a/src-qt5/src-glwidgets/glw-widget.cpp
+++ b/src-qt5/src-glwidgets/glw-widget.cpp
@@ -10,7 +10,6 @@
 // --- PUBLIC ---
 GLW_Widget::GLW_Widget(QWidget *parent, Qt::WindowFlags f) : QWidget(parent, f){
   glw_base = 0;
-  this->setMouseTracking(true);
   draggable = false;
   drag_offset = QPoint();
 }
@@ -25,10 +24,7 @@ QRect GLW_Widget::widgetRect(){
 }
 
 bool GLW_Widget::mouseOverWidget(){
-  QPoint pos = this->mapFromGlobal(QCursor::pos());
-  QRect geom(QPoint(0,0), this->size());
-  return geom.contains(pos) || (draggable && !drag_offset.isNull());
-
+  return (glw_base->mouseOverWidget()==this);
 }
 
 void GLW_Widget::setGLBase(GLW_Base *base){
@@ -63,6 +59,16 @@ void GLW_Widget::paintChildren(QStylePainter *painter, QPaintEvent *ev){
 
 
 // --- PROTECTED ---
+void GLW_Widget::enterEvent(QEvent*){
+  if(!mouseOverWidget()){ glw_base->setMouseOverWidget(this); }
+  this->update();
+}
+
+void GLW_Widget::leaveEvent(QEvent*){
+  if(mouseOverWidget()){ glw_base->setMouseOverWidget(0); }
+  this->update();
+}
+
 void GLW_Widget::mousePressEvent(QMouseEvent *ev){
   if(!draggable){ QWidget::mousePressEvent(ev); return; }
   if(ev->button()==Qt::LeftButton){
@@ -78,6 +84,7 @@ void GLW_Widget::mouseReleaseEvent(QMouseEvent *ev){
 }
 
 void GLW_Widget::mouseMoveEvent(QMouseEvent *ev){
+  if(!mouseOverWidget()){ glw_base->setMouseOverWidget(this); }
   if(!draggable){ QWidget::mouseMoveEvent(ev); return; }
   if(!drag_offset.isNull()){
     this->move( this->mapTo(glw_base, ev->pos()-drag_offset) );
diff --git a/src-qt5/src-glwidgets/glw-widget.h b/src-qt5/src-glwidgets/glw-widget.h
index 91a1ae69..e4d7aa37 100644
--- a/src-qt5/src-glwidgets/glw-widget.h
+++ b/src-qt5/src-glwidgets/glw-widget.h
@@ -44,8 +44,8 @@ public slots:
 
 
 protected:
-	virtual void enterEvent(QEvent*){ this->update(); }
-	virtual void leaveEvent(QEvent*){ this->update(); }
+	virtual void enterEvent(QEvent*);
+	virtual void leaveEvent(QEvent*);
 
 	virtual void mousePressEvent(QMouseEvent *ev);
 	virtual void mouseReleaseEvent(QMouseEvent *ev);