GUI Editor should no longer crash on Linux

--HG--
branch : dfighter-tools

code/studio/src/plugins/core/Nel3DWidget/nel3d_widget.cpp

@@ -14,7 +14,6 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-
 #include "nel3d_widget.h"
 #include "nel/3d/u_driver.h"
 #include "nel/3d/text_context.h"
@@ -29,7 +28,7 @@
 #include <QResizeEvent>
 
 Nel3DWidget::Nel3DWidget( QWidget *parent ) :
-QWidget( parent )
+NEL3DWIDGET( parent )
 {
 	driver = NULL;
 	textContext = NULL;

code/studio/src/plugins/core/Nel3DWidget/nel3d_widget.h

@@ -18,10 +18,22 @@
 #ifndef NEL3D_WIDGET_H
 #define NEL3D_WIDGET_H
 
-#include <QWidget>
 #include "nel/misc/types_nl.h"
 #include <string>
 
+#ifdef NEL3DWIDGET
+#undef NEL3DWIDGET
+#endif
+
+#ifdef NL_OS_WINDOWS
+#include <QWidget>
+#define NEL3DWIDGET QWidget
+#else
+#include <QGLWidget>
+#define NEL3DWIDGET QGLWidget
+#endif
+
+
 #include "../core_global.h"
 
 namespace NL3D
@@ -31,7 +43,7 @@ namespace NL3D
 }
 
 /// Nel 3D interface to Qt
-class CORE_EXPORT Nel3DWidget : public QWidget
+class CORE_EXPORT Nel3DWidget : public QGLWidget
 {
 	Q_OBJECT
 public: