OpenSceneGraph/include/osgViewer/api/X11/GraphicsWindowX11

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/* -*-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_GRAPHICSWINDOWX11
#define OSGVIEWER_GRAPHICSWINDOWX11 1
#include <osgViewer/GraphicsWindow>
#define GLX_GLXEXT_PROTOTYPES 1
#include <X11/X.h>
#include <GL/glx.h>
#include <string.h>
namespace osgViewer
{
class OSGVIEWER_EXPORT GraphicsWindowX11 : public osgViewer::GraphicsWindow
{
public:
GraphicsWindowX11(osg::GraphicsContext::Traits* traits):
_valid(false),
_display(0),
_eventDisplay(0),
_parent(0),
_window(0),
_visualInfo(0),
_glxContext(0),
_currentCursor(0),
_initialized(false),
_realized(false),
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_timeOfLastCheckEvents(-1.0),
_lastEventType(0),
_modifierState(0),
_numLockMask(0)
{
_traits = traits;
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memset(_keyMap, 0, 32);
init();
if (valid())
{
setState( new osg::State );
getState()->setGraphicsContext(this);
if (_traits.valid() && _traits->sharedContext)
{
getState()->setContextID( _traits->sharedContext->getState()->getContextID() );
incrementContextIDUsageCount( getState()->getContextID() );
}
else
{
getState()->setContextID( osg::GraphicsContext::createNewContextID() );
}
}
}
virtual bool isSameKindAs(const Object* object) const { return dynamic_cast<const GraphicsWindowX11*>(object)!=0; }
virtual const char* libraryName() const { return "osgViewer"; }
virtual const char* className() const { return "GraphicsWindowX11"; }
virtual bool valid() const { return _valid; }
/** Realise 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 bool setWindowDecorationImplementation(bool flag);
/** Get focus.*/
virtual void grabFocus();
/** Get focus on if the pointer is in this window.*/
virtual void grabFocusIfPointerInWindow();
/** Raise specified window */
virtual void raiseWindow();
// Override from GUIActionAdapter
virtual void requestWarpPointer(float x,float y);
/** Set the window's position and size.*/
virtual bool setWindowRectangleImplementation(int x, int y, int width, int height);
/** Set the name of the window */
virtual void setWindowName(const std::string& name);
/** Set mouse cursor to a specific shape.*/
virtual void setCursor(MouseCursor cursor);
/** WindowData is used to pass in the X11 window handle attached the GraphicsContext::Traits structure. */
struct WindowData : public osg::Referenced
{
WindowData(Window window):
_window(window) {}
Window _window;
};
public:
// X11 specific aces functions
Display* getDisplay() const { return _display; }
Display* getEventDisplay() const { return _eventDisplay; }
Display* getDisplayToUse() const ;
Window& getParent() { return _parent; }
Window& getWindow() { return _window; }
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GLXContext& getGLXContext() { return _glxContext; }
Cursor getCurrentCursor() { return _currentCursor; }
protected:
~GraphicsWindowX11();
Cursor getOrCreateCursor(MouseCursor mouseShape);
bool createVisualInfo();
bool createWindow();
bool setWindow(Window window);
void init();
bool checkAndSendEventFullScreenIfNeeded(Display* display, int x, int y, int width, int height, bool windowDecoration);
void transformMouseXY(float& x, float& y);
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void adaptKey(XKeyEvent& keyevent, int& keySymbol);
void forceKey(int key, double time, bool state);
void rescanModifierMapping();
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void getModifierMap(char* keymap) const;
int getModifierMask() const;
void syncLocks();
void flushKeyEvents();
bool _valid;
Display* _display;
Display* _eventDisplay;
Window _parent;
Window _window;
XVisualInfo* _visualInfo;
GLXContext _glxContext;
Cursor _currentCursor;
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Atom _deleteWindow;
bool _initialized;
bool _realized;
bool _ownsWindow;
double _timeOfLastCheckEvents;
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int _lastEventType;
int _modifierState;
int _numLockMask;
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char _keyMap[32];
std::map<MouseCursor,Cursor> _mouseCursorMap;
};
}
#endif