From dc976794d9c35d59ac4664008e1d84d5cc348952 Mon Sep 17 00:00:00 2001
From: Tats <info@sofianaudry.com>
Date: Tue, 21 Oct 2014 20:16:23 +0000
Subject: [PATCH] Added crosshair in fullscreen mode (automatic).

---
 DestinationGLCanvas.cpp | 17 ++++++++++++++++-
 DestinationGLCanvas.h   |  6 ++++++
 OutputGLWindow.cpp      |  4 ++++
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/DestinationGLCanvas.cpp b/DestinationGLCanvas.cpp
index ee6646d..5f8e1d2 100644
--- a/DestinationGLCanvas.cpp
+++ b/DestinationGLCanvas.cpp
@@ -22,7 +22,8 @@
 #include "MainWindow.h"
 
 DestinationGLCanvas::DestinationGLCanvas(MainWindow* mainWindow, QWidget* parent, const QGLWidget * shareWidget)
-: MapperGLCanvas(mainWindow, parent, shareWidget)
+: MapperGLCanvas(mainWindow, parent, shareWidget),
+  _displayCrosshair(false)
 {
 }
 
@@ -58,5 +59,19 @@ void DestinationGLCanvas::doDraw(QPainter* painter)
   }
 
   glPopMatrix();
+
+  // Display crosshair cursor.
+  if (_displayCrosshair)
+  {
+    const QPoint& cursorPosition = QCursor::pos();
+    const QRect& geo = geometry();
+    if (geo.contains(cursorPosition))
+    {
+      painter->setPen(MM::CONTROL_COLOR);
+      painter->drawLine(cursorPosition.x(), 0, cursorPosition.x(), geo.height());
+      painter->drawLine(0, cursorPosition.y(), geo.width(), cursorPosition.y());
+    }
+  }
+
 }
 
diff --git a/DestinationGLCanvas.h b/DestinationGLCanvas.h
index cfd270a..bbd5d45 100644
--- a/DestinationGLCanvas.h
+++ b/DestinationGLCanvas.h
@@ -36,8 +36,14 @@ public:
 
   virtual Shape* getShapeFromMappingId(uid mappingId);
 
+  void setDisplayCrosshair(bool displayCrosshair) {
+    _displayCrosshair = displayCrosshair;
+  }
+
 private:
   virtual void doDraw(QPainter* painter);
+
+  bool _displayCrosshair;
 };
 
 #endif /* DESTINATIONGLCANVAS_H_ */
diff --git a/OutputGLWindow.cpp b/OutputGLWindow.cpp
index 2b68991..d39ac6c 100644
--- a/OutputGLWindow.cpp
+++ b/OutputGLWindow.cpp
@@ -89,6 +89,10 @@ void OutputGLWindow::keyPressEvent(QKeyEvent *event)
 
 void OutputGLWindow::setFullScreen(bool fullscreen)
 {
+  // Activate crosshair in fullscreen mode.
+  setCursorVisible(!fullscreen);
+  canvas->setDisplayCrosshair(fullscreen);
+
   // NOTE: The showFullScreen() method does not work well under Ubuntu Linux. The code below fixes the issue.
   // Notice that there might be problems with the fullscreen in other OS / window managers. If so, please add
   // the code to fix those issues here.