From c19f97629f27c758d63038c5b473d166a75da520 Mon Sep 17 00:00:00 2001
From: baydam <baydamd@gmail.com>
Date: Sat, 7 Apr 2018 20:50:46 +0000
Subject: [PATCH] By default show controls on output on if it is hovered by
 mouse

---
 src/gui/OutputGLCanvas.cpp | 17 +++++++++++++++--
 src/gui/OutputGLCanvas.h   |  3 +++
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/gui/OutputGLCanvas.cpp b/src/gui/OutputGLCanvas.cpp
index 6bdb1a0..4e09ced 100644
--- a/src/gui/OutputGLCanvas.cpp
+++ b/src/gui/OutputGLCanvas.cpp
@@ -27,7 +27,8 @@ namespace mmp {
 OutputGLCanvas::OutputGLCanvas(MainWindow* mainWindow, QWidget* parent, const QGLWidget* shareWidget, QGraphicsScene* scene)
 : MapperGLCanvas(mainWindow, true, parent, shareWidget, scene),
   _displayCrosshair(false),
-  _displayTestSignal(false)
+  _displayTestSignal(false),
+  _windowIsHovered(false)
 {
   // Disable scrollbars.
   setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
@@ -68,7 +69,7 @@ void OutputGLCanvas::drawForeground(QPainter *painter , const QRectF &rect)
     painter->restore();
     glPopMatrix();
   }
-  else
+  else if (MainWindow::window()->displayControls() && _windowIsHovered)
   {
     MapperGLCanvas::drawForeground(painter, rect);
 
@@ -107,6 +108,18 @@ void OutputGLCanvas::drawForeground(QPainter *painter , const QRectF &rect)
 
 }
 
+void OutputGLCanvas::enterEvent(QEvent *event)
+{
+  _windowIsHovered = true;
+  QGraphicsView::enterEvent(event);
+}
+
+void OutputGLCanvas::leaveEvent(QEvent *event)
+{
+  _windowIsHovered = false;
+  QGraphicsView::leaveEvent(event);
+}
+
 void OutputGLCanvas::_drawClassicTestSignal(QPainter* painter)
 {
   const QRect& geo = geometry();
diff --git a/src/gui/OutputGLCanvas.h b/src/gui/OutputGLCanvas.h
index 075f6d2..21b1e3f 100644
--- a/src/gui/OutputGLCanvas.h
+++ b/src/gui/OutputGLCanvas.h
@@ -62,6 +62,7 @@ private:
   QBrush _brush_test_signal;
   QImage _palTestCard;
   QImage _ntscTestCard;
+  bool _windowIsHovered;
 
 protected:
   // overriden from QGlWidget:
@@ -69,6 +70,8 @@ protected:
 
   void wheelEvent(QWheelEvent *event);
   void mouseMoveEvent(QMouseEvent *event);
+  void enterEvent(QEvent * event);
+  void leaveEvent(QEvent *event);
 };
 
 }