OpenSceneGraph/include/osgViewer/GraphicsWindowWin32
2007-03-18 11:04:12 +00:00

145 lines
4.7 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
/* Note, elements of GraphicsWindowX11 have used Prodcer/RenderSurface_X11.cpp as both
* a guide to use of X11/GLX and copiying directly in the case of setBorder().
* These elements are license under OSGPL as above, with Copyright (C) 2001-2004 Don Burns.
*/
#ifndef OSGVIEWER_GRAPHICSWINDOWWIN32
#define OSGVIEWER_GRAPHICSWINDOWWIN32 1
#include <osgViewer/GraphicsWindow>
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0500
#endif
#include <windows.h>
namespace osgViewer
{
class GraphicsWindowWin32 : public osgViewer::GraphicsWindow
{
public:
GraphicsWindowWin32(osg::GraphicsContext::Traits* traits);
~GraphicsWindowWin32();
virtual bool valid() const { return _valid; }
/** Realize the GraphicsContext.*/
virtual bool realizeImplementation();
/** Return true if the graphics context has been realised and is ready to use.*/
virtual bool isRealizedImplementation() const { return _realized; }
/** Close the graphics context.*/
virtual void closeImplementation();
/** Make this graphics context current.*/
virtual bool makeCurrentImplementation();
/** Release the graphics context.*/
virtual bool releaseContextImplementation();
/** Swap the front and back buffers.*/
virtual void swapBuffersImplementation();
/** Check to see if any events have been generated.*/
virtual void checkEvents();
/** Set Window decoration.*/
virtual void setWindowDecoration(bool flag);
/** Get focus.*/
virtual void grabFocus();
/** Get focus on if the pointer is in this window.*/
virtual void grabFocusIfPointerInWindow();
/** Override from GUIActionAdapter.*/
virtual void requestWarpPointer(float x,float y);
/** Switch on/off the cursor.*/
virtual void useCursor(bool /*cursorOn*/);
/** Handle a native (Win32) windowing event as received from the system */
virtual LRESULT handleNativeWindowingEvent( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
/** WindowData is used to pass in the Win32 window handle attached the GraphicsContext::Traits structure.*/
struct WindowData : public osg::Referenced
{
WindowData(HWND window):
_hwnd(window) {}
HWND _hwnd;
};
protected:
void init();
bool registerWindowProcedure();
bool unregisterWindowProcedure();
bool createWindow();
bool setWindow( HWND handle );
void destroyWindow( bool deleteNativeWindow = true );
void recreateWindow();
bool determineWindowPositionAndStyle( bool decorated, int& x, int& y, unsigned int& w, unsigned int& h, unsigned int& style, unsigned int& extendedStyle );
bool setPixelFormat();
void adaptKey( WPARAM wParam, LPARAM lParam, int& keySymbol, unsigned int& modifierMask );
void transformMouseXY(float& x, float& y);
HGLRC getWGLContext() { return _hglrc; }
HWND _hwnd;
HDC _hdc;
HGLRC _hglrc;
WNDPROC _windowProcedure;
double _timeOfLastCheckEvents;
int _screenOriginX;
int _screenOriginY;
unsigned int _screenWidth;
unsigned int _screenHeight;
int _windowOriginXToRealize;
int _windowOriginYToRealize;
unsigned int _windowWidthToRealize;
unsigned int _windowHeightToRealize;
bool _initialized;
bool _valid;
bool _realized;
bool _ownsWindow;
bool _closeWindow;
bool _destroyWindow;
bool _destroying;
};
}
#endif