Init an opengl context bounded to an existent window.

Via ViewObjectContact can we query a window.
It seems this window is the same which is used
by chart edit mode.

Change-Id: Ib6df4d58730774f3d86b453b8174a78bb2c8a45b

include/svx/sdr/contact/viewcontactofopenglobj.hxx

@@ -24,6 +24,8 @@ public:
     virtual ~ViewContactOfOpenGLObj();
 
 protected:
+    virtual ViewObjectContact& CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact);
+
     virtual drawinglayer::primitive2d::Primitive2DSequence createViewIndependentPrimitive2DSequence() const;
 };
 

include/svx/sdr/contact/viewobjectcontactofopenglobj.hxx

@@ -0,0 +1,39 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_SVX_SDR_CONTACT_VIEWOBJECTCONTACTOFOPENGL_HXX
+#define INCLUDED_SVX_SDR_CONTACT_VIEWOBJECTCONTACTOFOPENGL_HXX
+
+#include <svx/sdr/contact/viewobjectcontactofsdrobj.hxx>
+#include <vcl/OpenGLContext.hxx>
+
+class Window;
+
+namespace sdr {
+namespace contact {
+
+class ViewObjectContactOfOpenGLObj : public ViewObjectContactOfSdrObj
+{
+public:
+    ViewObjectContactOfOpenGLObj(ObjectContact& rObjectContact, ViewContact& rViewContact);
+    virtual ~ViewObjectContactOfOpenGLObj();
+
+protected:
+    Window* getWindow() const;
+
+private:
+    OpenGLContext m_aOpenGLContext;
+};
+
+} // namespace sdr
+} // namespace contact
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

include/vcl/OpenGLContext.hxx

@@ -99,7 +99,7 @@ public:
     OpenGLContext();
     ~OpenGLContext();
 
-    bool init();
+    bool init(Window* pParent = 0);
     void setWinSize(const Size& rSize);
     GLWindow& getOpenGLWindow();
 

svx/Library_svxcore.mk

@@ -75,6 +75,7 @@ $(eval $(call gb_Library_use_libraries,svxcore,\
     utl \
     vcl \
     xo \
+    vclopengl \
 	$(gb_UWINAPI) \
 ))
 
@@ -82,6 +83,7 @@ $(eval $(call gb_Library_use_externals,svxcore,\
 	boost_headers \
 	icuuc \
 	icu_headers \
+	glew \
 ))
 
 $(eval $(call gb_Library_add_exception_objects,svxcore,\
@@ -194,6 +196,7 @@ $(eval $(call gb_Library_add_exception_objects,svxcore,\
     svx/source/sdr/contact/viewcontactofsdrmeasureobj \
     svx/source/sdr/contact/objectcontactofobjlistpainter \
     svx/source/sdr/contact/viewobjectcontactofe3d \
+    svx/source/sdr/contact/viewobjectcontactofopenglobj \
     svx/source/sdr/event/eventhandler \
     svx/source/sdr/overlay/overlayline \
     svx/source/sdr/overlay/overlaycrosshair \

svx/source/sdr/contact/viewcontactofopenglobj.cxx

@@ -9,6 +9,7 @@
 
 #include <com/sun/star/drawing/XShape.hpp>
 #include <svx/sdr/contact/viewcontactofopenglobj.hxx>
+#include <svx/sdr/contact/viewobjectcontactofopenglobj.hxx>
 #include <drawinglayer/primitive2d/openglprimitive2d.hxx>
 #include <svx/svdoopengl.hxx>
 #include <tools/gen.hxx>
@@ -24,6 +25,11 @@ ViewContactOfOpenGLObj::~ViewContactOfOpenGLObj()
 {
 }
 
+ViewObjectContact& ViewContactOfOpenGLObj::CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact)
+{
+    return *( new ViewObjectContactOfOpenGLObj( rObjectContact, *this ) );
+}
+
 drawinglayer::primitive2d::Primitive2DSequence ViewContactOfOpenGLObj::createViewIndependentPrimitive2DSequence() const
 {
     com::sun::star::uno::Reference< com::sun::star::drawing::XShape > xShape(GetSdrObject().getUnoShape(), com::sun::star::uno::UNO_QUERY);

svx/source/sdr/contact/viewobjectcontactofopenglobj.cxx

@@ -0,0 +1,47 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <svx/sdr/contact/viewobjectcontactofopenglobj.hxx>
+#include <vcl/outdev.hxx>
+#include <vcl/window.hxx>
+
+using namespace sdr::contact;
+
+
+ViewObjectContactOfOpenGLObj::ViewObjectContactOfOpenGLObj(
+    ObjectContact& rObjectContact, ViewContact& rViewContact )
+    : ViewObjectContactOfSdrObj( rObjectContact, rViewContact )
+{
+    m_aOpenGLContext.init(getWindow());
+    // Set a dummy size to make the window visible
+    m_aOpenGLContext.setWinSize(Size(200,200));
+}
+
+ViewObjectContactOfOpenGLObj::~ViewObjectContactOfOpenGLObj()
+{
+}
+
+Window* ViewObjectContactOfOpenGLObj::getWindow() const
+{
+    Window* pRetval = 0;
+
+    boost::optional<const OutputDevice&> oPageOutputDev = getPageViewOutputDevice();
+    if( oPageOutputDev )
+    {
+        if(OUTDEV_WINDOW == oPageOutputDev->GetOutDevType())
+        {
+            pRetval = static_cast< Window* >(&const_cast<OutputDevice&>(oPageOutputDev.get()));
+        }
+    }
+
+    return pRetval;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/source/opengl/OpenGLContext.cxx

@@ -316,9 +316,9 @@ int oglErrorHandler( Display* /*dpy*/, XErrorEvent* /*evnt*/ )
 
 #endif
 
-bool OpenGLContext::init()
+bool OpenGLContext::init( Window* pParent )
 {
-    m_pWindow.reset(new Window(0, WB_NOBORDER|WB_NODIALOGCONTROL));
+    m_pWindow.reset(pParent ? pParent : new Window(0, WB_NOBORDER|WB_NODIALOGCONTROL));
     SAL_INFO("vcl.opengl", "OpenGLContext::OpenGLContext----start");
     initWindow();
     m_pWindow->setPosSizePixel(0,0,0,0);