include/vcl/openglwin.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #ifndef INCLUDED_VCL_OPENGLWIN_HXX
  11 #define INCLUDED_VCL_OPENGLWIN_HXX
  12
  13 #include <memory>
  14 #include <vcl/event.hxx>
  15 #include <vcl/syschild.hxx>
  16 #include <vcl/dllapi.h>
  17
  18 class OpenGLContext;
  19 class OpenGLWindowImpl;
  20
  21 class VCL_DLLPUBLIC IRenderer
  22 {
  23 public:
  24     virtual ~IRenderer() {}
  25     virtual void update() = 0;
  26     virtual void clickedAt(const Point& rPos, sal_uInt16 nButtons) = 0;
  27     virtual void mouseDragMove(const Point& rPosBegin, const Point& rPosEnd, sal_uInt16 nButtons) = 0;
  28     virtual void scroll(long nDelta) = 0;
  29
  30     virtual void contextDestroyed() = 0;
  31 };
  32
  33 // pImpl Pattern to avoid linking against OpenGL libs when using the class without the context
  34 class VCL_DLLPUBLIC OpenGLWindow : public vcl::Window
  35 {
  36 public:
  37                    OpenGLWindow(vcl::Window* pParent, bool bInit);
  38     virtual        ~OpenGLWindow() override;
  39     virtual void   dispose() override;
  40
  41     OpenGLContext& getContext();
  42
  43     void setRenderer(IRenderer* pRenderer);
  44
  45     virtual void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&) override;
  46
  47     virtual void MouseButtonDown( const MouseEvent& rMEvt ) override;
  48     virtual void MouseButtonUp( const MouseEvent& rMEvt ) override;
  49     virtual void MouseMove( const MouseEvent& rMEvt ) override;
  50     virtual void Command( const CommandEvent& rCEvt ) override;
  51
  52     void Initialize();
  53
  54 private:
  55     std::unique_ptr<OpenGLWindowImpl> mxImpl;
  56     IRenderer* mpRenderer;
  57
  58     Point maStartPoint;
  59 };
  60
  61 #endif
  62
  63 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */