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GraphicsWindowX11.cpp
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GraphicsWindowX11.cpp
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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.
*/
#include <osgViewer/api/X11/GraphicsWindowX11>
#include <osgViewer/api/X11/PixelBufferX11>
#include <osg/DeleteHandler>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xmd.h>
#include <X11/keysym.h>
#include <X11/cursorfont.h>
#include <X11/Intrinsic.h>
#include <X11/Xmd.h> /* For CARD16 */
#include <unistd.h>
using namespace osgViewer;
class X11KeyboardMap
{
public:
X11KeyboardMap()
{
_keymap[XK_Escape ] = osgGA::GUIEventAdapter::KEY_Escape;
_keymap[XK_F1 ] = osgGA::GUIEventAdapter::KEY_F1;
_keymap[XK_F2 ] = osgGA::GUIEventAdapter::KEY_F2;
_keymap[XK_F3 ] = osgGA::GUIEventAdapter::KEY_F3;
_keymap[XK_F4 ] = osgGA::GUIEventAdapter::KEY_F4;
_keymap[XK_F5 ] = osgGA::GUIEventAdapter::KEY_F5;
_keymap[XK_F6 ] = osgGA::GUIEventAdapter::KEY_F6;
_keymap[XK_F7 ] = osgGA::GUIEventAdapter::KEY_F7;
_keymap[XK_F8 ] = osgGA::GUIEventAdapter::KEY_F8;
_keymap[XK_F9 ] = osgGA::GUIEventAdapter::KEY_F9;
_keymap[XK_F10 ] = osgGA::GUIEventAdapter::KEY_F10;
_keymap[XK_F11 ] = osgGA::GUIEventAdapter::KEY_F11;
_keymap[XK_F12 ] = osgGA::GUIEventAdapter::KEY_F12;
_keymap[XK_quoteleft ] = '"';
_keymap[XK_1 ] = '1';
_keymap[XK_2 ] = '2';
_keymap[XK_3 ] = '3';
_keymap[XK_4 ] = '4';
_keymap[XK_5 ] = '5';
_keymap[XK_6 ] = '6';
_keymap[XK_7 ] = '7';
_keymap[XK_8 ] = '8';
_keymap[XK_9 ] = '9';
_keymap[XK_0 ] = '0';
_keymap[XK_minus ] = '-';
_keymap[XK_equal ] = '=';
_keymap[XK_BackSpace ] = osgGA::GUIEventAdapter::KEY_BackSpace;
_keymap[XK_Tab ] = osgGA::GUIEventAdapter::KEY_Tab;
_keymap[XK_a ] = 'A';
_keymap[XK_b ] = 'B';
_keymap[XK_c ] = 'C';
_keymap[XK_d ] = 'D';
_keymap[XK_e ] = 'E';
_keymap[XK_f ] = 'F';
_keymap[XK_g ] = 'G';
_keymap[XK_h ] = 'H';
_keymap[XK_i ] = 'I';
_keymap[XK_j ] = 'J';
_keymap[XK_k ] = 'K';
_keymap[XK_l ] = 'L';
_keymap[XK_m ] = 'M';
_keymap[XK_n ] = 'N';
_keymap[XK_o ] = 'O';
_keymap[XK_p ] = 'P';
_keymap[XK_q ] = 'Q';
_keymap[XK_r ] = 'R';
_keymap[XK_s ] = 'S';
_keymap[XK_t ] = 'T';
_keymap[XK_u ] = 'U';
_keymap[XK_v ] = 'V';
_keymap[XK_w ] = 'W';
_keymap[XK_x ] = 'X';
_keymap[XK_y ] = 'Y';
_keymap[XK_z ] = 'Z';
_keymap[XK_bracketleft ] = '(';
_keymap[XK_bracketright ] = ')';
_keymap[XK_backslash ] = '\\';
_keymap[XK_Caps_Lock ] = osgGA::GUIEventAdapter::KEY_Caps_Lock;
_keymap[XK_semicolon ] = ';';
_keymap[XK_apostrophe ] = '\'';
_keymap[XK_Return ] = osgGA::GUIEventAdapter::KEY_Return;
_keymap[XK_Shift_L ] = osgGA::GUIEventAdapter::KEY_Shift_L;
_keymap[XK_comma ] = ',';
_keymap[XK_period ] = '.';
_keymap[XK_slash ] = '/';
_keymap[XK_Shift_R ] = osgGA::GUIEventAdapter::KEY_Shift_R;
_keymap[XK_Control_L ] = osgGA::GUIEventAdapter::KEY_Control_L;
_keymap[XK_Super_L ] = osgGA::GUIEventAdapter::KEY_Super_L;
_keymap[XK_space ] = ' ';
_keymap[XK_Alt_L ] = osgGA::GUIEventAdapter::KEY_Alt_L;
_keymap[XK_Alt_R ] = osgGA::GUIEventAdapter::KEY_Alt_R;
_keymap[XK_Super_R ] = osgGA::GUIEventAdapter::KEY_Super_R;
_keymap[XK_Menu ] = osgGA::GUIEventAdapter::KEY_Menu;
_keymap[XK_Control_R ] = osgGA::GUIEventAdapter::KEY_Control_R;
_keymap[XK_Print ] = osgGA::GUIEventAdapter::KEY_Print;
_keymap[XK_Scroll_Lock ] = osgGA::GUIEventAdapter::KEY_Scroll_Lock;
_keymap[XK_Pause ] = osgGA::GUIEventAdapter::KEY_Pause;
_keymap[XK_Home ] = osgGA::GUIEventAdapter::KEY_Home;
_keymap[XK_Page_Up ] = osgGA::GUIEventAdapter::KEY_Page_Up;
_keymap[XK_End ] = osgGA::GUIEventAdapter::KEY_End;
_keymap[XK_Page_Down ] = osgGA::GUIEventAdapter::KEY_Page_Down;
_keymap[XK_Delete ] = osgGA::GUIEventAdapter::KEY_Delete;
_keymap[XK_Insert ] = osgGA::GUIEventAdapter::KEY_Insert;
_keymap[XK_Left ] = osgGA::GUIEventAdapter::KEY_Left;
_keymap[XK_Up ] = osgGA::GUIEventAdapter::KEY_Up;
_keymap[XK_Right ] = osgGA::GUIEventAdapter::KEY_Right;
_keymap[XK_Down ] = osgGA::GUIEventAdapter::KEY_Down;
_keymap[XK_Num_Lock ] = osgGA::GUIEventAdapter::KEY_Num_Lock;
_keymap[XK_KP_Divide ] = osgGA::GUIEventAdapter::KEY_KP_Divide;
_keymap[XK_KP_Multiply ] = osgGA::GUIEventAdapter::KEY_KP_Multiply;
_keymap[XK_KP_Subtract ] = osgGA::GUIEventAdapter::KEY_KP_Subtract;
_keymap[XK_KP_Add ] = osgGA::GUIEventAdapter::KEY_KP_Add;
_keymap[XK_KP_Home ] = osgGA::GUIEventAdapter::KEY_KP_Home;
_keymap[XK_KP_Up ] = osgGA::GUIEventAdapter::KEY_KP_Up;
_keymap[XK_KP_Page_Up ] = osgGA::GUIEventAdapter::KEY_KP_Page_Up;
_keymap[XK_KP_Left ] = osgGA::GUIEventAdapter::KEY_KP_Left;
_keymap[XK_KP_Begin ] = osgGA::GUIEventAdapter::KEY_KP_Begin;
_keymap[XK_KP_Right ] = osgGA::GUIEventAdapter::KEY_KP_Right;
_keymap[XK_KP_End ] = osgGA::GUIEventAdapter::KEY_KP_End;
_keymap[XK_KP_Down ] = osgGA::GUIEventAdapter::KEY_KP_Down;
_keymap[XK_KP_Page_Down ] = osgGA::GUIEventAdapter::KEY_KP_Page_Down;
_keymap[XK_KP_Insert ] = osgGA::GUIEventAdapter::KEY_KP_Insert;
_keymap[XK_KP_Delete ] = osgGA::GUIEventAdapter::KEY_KP_Delete;
_keymap[XK_KP_Enter ] = osgGA::GUIEventAdapter::KEY_KP_Enter;
}
~X11KeyboardMap() {}
int remapKey(int key)
{
KeyMap::iterator itr = _keymap.find(key);
if (itr == _keymap.end()) return key;
else return itr->second;
}
protected:
typedef std::map<int, int> KeyMap;
KeyMap _keymap;
};
static int remapX11Key(int key)
{
static X11KeyboardMap s_x11KeyboardMap;
return s_x11KeyboardMap.remapKey(key);
}
GraphicsWindowX11::~GraphicsWindowX11()
{
close(true);
}
Display* GraphicsWindowX11::getDisplayToUse() const
{
if (_threadOfLastMakeCurrent==0)
{
return _display;
}
if (OpenThreads::Thread::CurrentThread()==_threadOfLastMakeCurrent)
{
return _display;
}
else
{
return _eventDisplay;
}
}
bool GraphicsWindowX11::createVisualInfo()
{
typedef std::vector<int> Attributes;
Attributes attributes;
attributes.push_back(GLX_USE_GL);
attributes.push_back(GLX_RGBA);
if (_traits->doubleBuffer) attributes.push_back(GLX_DOUBLEBUFFER);
if (_traits->quadBufferStereo) attributes.push_back(GLX_STEREO);
attributes.push_back(GLX_RED_SIZE); attributes.push_back(_traits->red);
attributes.push_back(GLX_GREEN_SIZE); attributes.push_back(_traits->green);
attributes.push_back(GLX_BLUE_SIZE); attributes.push_back(_traits->blue);
attributes.push_back(GLX_DEPTH_SIZE); attributes.push_back(_traits->depth);
if (_traits->alpha) { attributes.push_back(GLX_ALPHA_SIZE); attributes.push_back(_traits->alpha); }
if (_traits->stencil) { attributes.push_back(GLX_STENCIL_SIZE); attributes.push_back(_traits->stencil); }
#if defined(GLX_SAMPLE_BUFFERS) && defined (GLX_SAMPLES)
if (_traits->sampleBuffers) { attributes.push_back(GLX_SAMPLE_BUFFERS); attributes.push_back(_traits->sampleBuffers); }
if (_traits->sampleBuffers) { attributes.push_back(GLX_SAMPLES); attributes.push_back(_traits->samples); }
#endif
// TODO
// GLX_AUX_BUFFERS
// GLX_ACCUM_RED_SIZE
// GLX_ACCUM_GREEN_SIZE
// GLX_SAMPLE_BUFFERS
// GLX_SAMPLES
attributes.push_back(None);
_visualInfo = glXChooseVisual( _display, _traits->screenNum, &(attributes.front()) );
return _visualInfo != 0;
}
#define MWM_HINTS_FUNCTIONS (1L << 0)
#define MWM_HINTS_DECORATIONS (1L << 1)
#define MWM_HINTS_INPUT_MODE (1L << 2)
#define MWM_HINTS_STATUS (1L << 3)
#define MWM_DECOR_ALL (1L<<0)
#define MWM_DECOR_BORDER (1L<<1)
#define MWM_DECOR_RESIZEH (1L<<2)
#define MWM_DECOR_TITLE (1L<<3)
#define MWM_DECOR_MENU (1L<<4)
#define MWM_DECOR_MINIMIZE (1L<<5)
#define MWM_DECOR_MAXIMIZE (1L<<6)
#define MWM_FUNC_ALL (1L<<0)
#define MWM_FUNC_RESIZE (1L<<1)
#define MWM_FUNC_MOVE (1L<<2)
#define MWM_FUNC_MINIMIZE (1L<<3)
#define MWM_FUNC_MAXIMIZE (1L<<4)
#define MWM_FUNC_CLOSE (1L<<5)
bool GraphicsWindowX11::setWindowDecorationImplementation(bool flag)
{
Display* display = getDisplayToUse();
Atom atom;
if( (atom = XInternAtom( display, "_MOTIF_WM_HINTS", 0 )) != None )
{
struct
{
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long inputMode;
unsigned long status;
} wmHints;
wmHints.flags = 0;
wmHints.functions = MWM_FUNC_ALL;
wmHints.decorations = MWM_DECOR_ALL;
wmHints.inputMode = 0;
wmHints.status = 0;
if (!flag)
{
wmHints.flags = MWM_HINTS_DECORATIONS;
wmHints.decorations = 0;
}
else
{
wmHints.flags |= MWM_HINTS_FUNCTIONS;
if (_traits.valid() && !_traits->supportsResize) wmHints.functions |= MWM_FUNC_RESIZE;
}
XMapWindow(display, _window );
XChangeProperty( display, _window, atom, atom, 32, PropModeReplace, (unsigned char *)&wmHints, 5 );
XFlush(display);
XSync(display,0);
#if 0
// now update the window dimensions to account for any size changes made by the window manager,
XGetWindowAttributes( display, _window, &watt );
_traits->width = watt.width;
_traits->height = watt.height;
#endif
// add usleep here to give window manager a chance to handle the request, if
// we don't add this sleep then any X11 calls right afterwards can produce
// X11 errors.
usleep(100000);
return true;
}
else
{
osg::notify(osg::NOTICE)<<"Error: GraphicsWindowX11::setBorder(" << flag << ") - couldn't change decorations." << std::endl;
return false;
}
}
bool GraphicsWindowX11::setWindowRectangleImplementation(int x, int y, int width, int height)
{
if (!_realized) return false;
Display* display = getDisplayToUse();
XMoveResizeWindow(display, _window, x, y, width, height);
XFlush(display);
XSync(display, 0);
// add usleep here to give window manager a chance to handle the request, if
// we don't add this sleep then any X11 calls right afterwards can produce
// X11 errors.
usleep(100000);
return true;
}
void GraphicsWindowX11::setCursor(MouseCursor mouseCursor)
{
Cursor newCursor = getOrCreateCursor(mouseCursor);
if (newCursor == _currentCursor) return;
_currentCursor = newCursor;
if (!_window) return;
Display* display = getDisplayToUse();
if (!display) return;
XDefineCursor( display, _window, _currentCursor );
XFlush(display);
XSync(display, 0);
_traits->useCursor = (_currentCursor != getOrCreateCursor(NoCursor));
}
Cursor GraphicsWindowX11::getOrCreateCursor(MouseCursor mouseCursor)
{
std::map<MouseCursor,Cursor>::iterator i = _mouseCursorMap.find(mouseCursor);
if (i != _mouseCursorMap.end()) return i->second;
Display* display = getDisplayToUse();
if (!display) return None;
switch (mouseCursor) {
case NoCursor:
{
// create an empty mouse cursor, note that it is safe to destroy the Pixmap just past cursor creation
// since the resource in the x server is reference counted.
char buff[2] = {0,0};
XColor ncol = {0,0,0,0,DoRed|DoGreen|DoBlue,0};
Pixmap pixmap = XCreateBitmapFromData( display, _parent, buff, 1, 1);
_mouseCursorMap[mouseCursor] = XCreatePixmapCursor( display, pixmap, pixmap, &ncol, &ncol, 0, 0 );
XFreePixmap(display, pixmap);
// Important to have the pixmap and the buffer still available when the request is sent to the server ...
XFlush(display);
XSync(display, 0);
break;
}
case RightArrowCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_left_ptr );
break;
case LeftArrowCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_top_left_arrow );
break;
case InfoCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_hand1 );
break;
case DestroyCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_pirate );
break;
case HelpCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_question_arrow );
break;
case CycleCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_exchange );
break;
case SprayCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_spraycan );
break;
case WaitCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_watch );
break;
case TextCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_xterm );
break;
case CrosshairCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_crosshair );
break;
case UpDownCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_sb_v_double_arrow );
break;
case LeftRightCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_sb_h_double_arrow );
break;
case TopSideCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_top_side );
break;
case BottomSideCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_bottom_side );
break;
case LeftSideCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_left_side );
break;
case RightSideCursor:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_right_side );
break;
case TopLeftCorner:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_top_left_corner );
break;
case TopRightCorner:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_top_right_corner );
break;
case BottomRightCorner:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_bottom_right_corner );
break;
case BottomLeftCorner:
_mouseCursorMap[mouseCursor] = XCreateFontCursor( display, XC_bottom_left_corner );
break;
case InheritCursor:
default:
_mouseCursorMap[mouseCursor] = None;
break;
};
return _mouseCursorMap[mouseCursor];
}
void GraphicsWindowX11::init()
{
if (_initialized) return;
if (!_traits)
{
_valid = false;
return;
}
getEventQueue()->setCurrentEventState(osgGA::GUIEventAdapter::getAccumulatedEventState().get());
WindowData* inheritedWindowData = dynamic_cast<WindowData*>(_traits->inheritedWindowData.get());
_display = XOpenDisplay(_traits->displayName().c_str());
unsigned int screen = _traits->screenNum;
if (!_display)
{
osg::notify(osg::NOTICE)<<"Error: Unable to open display \"" << XDisplayName(_traits->displayName().c_str()) << "\"."<<std::endl;
_valid = false;
return;
}
// Query for GLX extension
int errorBase, eventBase;
if( glXQueryExtension( _display, &errorBase, &eventBase) == False )
{
osg::notify(osg::NOTICE)<<"Error: " << XDisplayName(_traits->displayName().c_str()) <<" has no GLX extension." << std::endl;
XCloseDisplay( _display );
_display = 0;
_valid = false;
return;
}
// osg::notify(osg::NOTICE)<<"GLX extension, errorBase="<<errorBase<<" eventBase="<<eventBase<<std::endl;
if (!createVisualInfo())
{
_traits->red /= 2;
_traits->green /= 2;
_traits->blue /= 2;
_traits->alpha /= 2;
_traits->depth /= 2;
osg::notify(osg::INFO)<<"Relaxing traits"<<std::endl;
if (!createVisualInfo())
{
osg::notify(osg::NOTICE)<<"Error: Not able to create requested visual." << std::endl;
XCloseDisplay( _display );
_display = 0;
_valid = false;
return;
}
}
GLXContext sharedContextGLX = NULL;
// get any shared GLX contexts
GraphicsWindowX11* graphicsWindowX11 = dynamic_cast<GraphicsWindowX11*>(_traits->sharedContext);
if (graphicsWindowX11)
{
sharedContextGLX = graphicsWindowX11->getGLXContext();
}
else
{
PixelBufferX11* pixelBufferX11 = dynamic_cast<PixelBufferX11*>(_traits->sharedContext);
if (pixelBufferX11 && pixelBufferX11->valid())
{
sharedContextGLX = pixelBufferX11->getGLXContext();
}
}
_glxContext = glXCreateContext( _display, _visualInfo, sharedContextGLX, True );
if (!_glxContext)
{
osg::notify(osg::NOTICE)<<"Error: Unable to create OpenGL graphics context."<<std::endl;
XCloseDisplay( _display );
_display = 0;
_valid = false;
return;
}
_eventDisplay = XOpenDisplay(_traits->displayName().c_str());
_parent = RootWindow( _display, screen );
XWindowAttributes watt;
XGetWindowAttributes( _display, _parent, &watt );
// unsigned int parentWindowHeight = watt.height;
XSetWindowAttributes swatt;
swatt.colormap = XCreateColormap( _display, _parent, _visualInfo->visual, AllocNone);
//swatt.colormap = DefaultColormap( _dpy, 10 );
swatt.background_pixel = 0;
swatt.border_pixel = 0;
swatt.event_mask = 0;
unsigned long mask = CWBackPixel | CWBorderPixel | CWEventMask | CWColormap;
bool overrideRedirect = false;
if (overrideRedirect)
{
swatt.override_redirect = true;
mask |= CWOverrideRedirect;
}
_window = XCreateWindow( _display, _parent,
_traits->x,
_traits->y,
_traits->width, _traits->height, 0,
_visualInfo->depth, InputOutput,
_visualInfo->visual, mask, &swatt );
if (!_window)
{
osg::notify(osg::NOTICE)<<"Error: Unable to create Window."<<std::endl;
XCloseDisplay( _display );
_display = 0;
_glxContext = 0;
_valid = false;
return;
}
// This positions the window at _windowX, _windowY
XSizeHints sh;
sh.flags = 0;
sh.flags |= USSize;
sh.flags &= 0x7;
sh.flags |= USPosition;
sh.flags &= 0xB;
sh.x = _traits->x;
sh.y = _traits->y;
sh.width = _traits->width;
sh.height = _traits->height;
XSetStandardProperties( _display, _window, _traits->windowName.c_str(), _traits->windowName.c_str(), None, 0, 0, &sh);
setWindowDecoration(_traits->windowDecoration);
useCursor(_traits->useCursor);
_deleteWindow = XInternAtom (_display, "WM_DELETE_WINDOW", False);
XSetWMProtocols(_display, _window, &_deleteWindow, 1);
XFlush( _display );
XSync( _display, 0 );
// now update the window dimensions to account for any size changes made by the window manager,
XGetWindowAttributes( _display, _window, &watt );
if (_traits->width != watt.width && _traits->height != watt.height)
{
resized( _traits->x, _traits->y, _traits->width, _traits->height );
}
//osg::notify(osg::NOTICE)<<"After sync apply.x = "<<watt.x<<" watt.y="<<watt.y<<" width="<<watt.width<<" height="<<watt.height<<std::endl;
XSelectInput( _eventDisplay, _window, ExposureMask | StructureNotifyMask |
KeyPressMask | KeyReleaseMask |
PointerMotionMask | ButtonPressMask | ButtonReleaseMask);
XFlush( _eventDisplay );
XSync( _eventDisplay, 0 );
_valid = true;
_initialized = true;
}
bool GraphicsWindowX11::realizeImplementation()
{
if (_realized)
{
osg::notify(osg::NOTICE)<<"GraphicsWindowX11::realizeImplementation() Already realized"<<std::endl;
return true;
}
if (!_initialized) init();
if (!_initialized) return false;
XMapWindow( _display, _window );
// Window temp = _window;
// XSetWMColormapWindows( _display, _window, &temp, 1);
_realized = true;
return true;
}
bool GraphicsWindowX11::makeCurrentImplementation()
{
if (!_realized)
{
osg::notify(osg::NOTICE)<<"Warning: GraphicsWindow not realized, cannot do makeCurrent."<<std::endl;
return false;
}
// osg::notify(osg::NOTICE)<<"GraphicsWindowX11::makeCurrentImplementation "<<this<<" "<<OpenThreads::Thread::CurrentThread()<<std::endl;
// osg::notify(osg::NOTICE)<<" glXMakeCurrent ("<<_display<<","<<_window<<","<<_glxContext<<std::endl;
return glXMakeCurrent( _display, _window, _glxContext )==True;
}
bool GraphicsWindowX11::releaseContextImplementation()
{
if (!_realized)
{
osg::notify(osg::NOTICE)<<"Warning: GraphicsWindow not realized, cannot do makeCurrent."<<std::endl;
return false;
}
// osg::notify(osg::NOTICE)<<"GraphicsWindowX11::releaseContextImplementation() "<<this<<" "<<OpenThreads::Thread::CurrentThread()<<std::endl;
// osg::notify(osg::NOTICE)<<" glXMakeCurrent ("<<_display<<std::endl;
return glXMakeCurrent( _display, None, NULL )==True;
}
void GraphicsWindowX11::closeImplementation()
{
// osg::notify(osg::NOTICE)<<"Closing GraphicsWindowX11"<<std::endl;
if (_eventDisplay)
{
XCloseDisplay( _eventDisplay );
_eventDisplay = 0;
}
if (_display)
{
if (_glxContext)
{
glXDestroyContext(_display, _glxContext );
}
if (_window)
{
XDestroyWindow(_display, _window);
}
XFlush( _display );
XSync( _display,0 );
}
_window = 0;
_parent = 0;
_glxContext = 0;
if (_visualInfo)
{
XFree(_visualInfo);
_visualInfo = 0;
}
if (_display)
{
XCloseDisplay( _display );
_display = 0;
}
_initialized = false;
_realized = false;
_valid = false;
}
void GraphicsWindowX11::swapBuffersImplementation()
{
if (!_realized) return;
// osg::notify(osg::NOTICE)<<"swapBuffersImplementation "<<this<<" "<<OpenThreads::Thread::CurrentThread()<<std::endl;
glXSwapBuffers(_display, _window);
while( XPending(_display) )
{
XEvent ev;
XNextEvent( _display, &ev );
switch( ev.type )
{
case ClientMessage:
{
if (static_cast<Atom>(ev.xclient.data.l[0]) == _deleteWindow)
{
osg::notify(osg::INFO)<<"DeleteWindow event recieved"<<std::endl;
getEventQueue()->closeWindow();
}
}
}
}
}
void GraphicsWindowX11::checkEvents()
{
if (!_realized) return;
Display* display = _eventDisplay;
double baseTime = _timeOfLastCheckEvents;
double eventTime = baseTime;
double resizeTime = eventTime;
_timeOfLastCheckEvents = getEventQueue()->getTime();
int windowX = _traits->x;
int windowY = _traits->y;
int windowWidth = _traits->width;
int windowHeight = _traits->height;
bool destroyWindowRequested = false;
Time firstEventTime = 0;
// osg::notify(osg::NOTICE)<<"Check events"<<std::endl;
while( XPending(display) )
{
XEvent ev;
XNextEvent( display, &ev );
switch( ev.type )
{
case ClientMessage:
{
osg::notify(osg::NOTICE)<<"ClientMessage event recieved"<<std::endl;
if (static_cast<Atom>(ev.xclient.data.l[0]) == _deleteWindow)
{
osg::notify(osg::NOTICE)<<"DeleteWindow event recieved"<<std::endl;
destroyWindowRequested = true;
getEventQueue()->closeWindow(eventTime);
}
}
case Expose :
osg::notify(osg::INFO)<<"Expose x="<<ev.xexpose.x<<" y="<<ev.xexpose.y<<" width="<<ev.xexpose.width<<", height="<<ev.xexpose.height<<std::endl;
break;
case GravityNotify :
osg::notify(osg::INFO)<<"GravityNotify event recieved"<<std::endl;
break;
case UnmapNotify :
osg::notify(osg::INFO)<<"UnmapNotify event recieved"<<std::endl;
break;
case ReparentNotify:
osg::notify(osg::INFO)<<"ReparentNotify event recieved"<<std::endl;
break;
case DestroyNotify :
osg::notify(osg::NOTICE)<<"DestroyNotify event recieved"<<std::endl;
_realized = false;
_valid = false;
break;
case ConfigureNotify :
{
osg::notify(osg::INFO)<<"ConfigureNotify x="<<ev.xconfigure.x<<" y="<<ev.xconfigure.y<<" width="<<ev.xconfigure.width<<", height="<<ev.xconfigure.height<<std::endl;
if (windowX != ev.xconfigure.x ||
windowX != ev.xconfigure.y ||
windowWidth != ev.xconfigure.width ||
windowHeight != ev.xconfigure.height)
{
resizeTime = eventTime;
windowX = ev.xconfigure.x;
windowY = ev.xconfigure.y;
windowWidth = ev.xconfigure.width;
windowHeight = ev.xconfigure.height;
}
break;
}
case MapNotify :
{
osg::notify(osg::INFO)<<"MapNotify"<<std::endl;
XWindowAttributes watt;
do
XGetWindowAttributes(display, _window, &watt );
while( watt.map_state != IsViewable );
osg::notify(osg::INFO)<<"MapNotify x="<<watt.x<<" y="<<watt.y<<" width="<<watt.width<<", height="<<watt.height<<std::endl;
if (windowWidth != watt.width || windowHeight != watt.height)
{
resizeTime = eventTime;
windowWidth = watt.width;
windowHeight = watt.height;
}
break;
}
case MotionNotify :
{
if (firstEventTime==0) firstEventTime = ev.xmotion.time;
Time relativeTime = ev.xmotion.time - firstEventTime;
eventTime = baseTime + static_cast<double>(relativeTime)*0.001;
int wx, wy;
Window win = 0L;
if( ev.xmotion.same_screen )
{
wx = ev.xmotion.x;
wy = ev.xmotion.y;
}
else
{
// the mouse in on another screen so need to compute the
// coordinates of the mouse position relative to an absolute position
// then take away the position of the original window/screen to get
// the coordinates relative to the original position.
Window root;
int rx, ry;
unsigned int buttons;
int screenOrigin_x = 0;
int screenOrigin_y = 0;
int i;
for(i= 0; i < ScreenCount(display); i++ )
{
if( XQueryPointer( display, RootWindow(display, i),
&root, &win, &rx, &ry, &wx, &wy, &buttons) )
{
break;
}
screenOrigin_x += DisplayWidth(display, i);
}
for(i= 0; i < static_cast<int>(_traits->screenNum); i++ )
{
screenOrigin_x -= DisplayWidth(display, i);
}
int dest_x_return, dest_y_return;
Window child_return;
XTranslateCoordinates(display, _window, _parent, 0, 0, &dest_x_return, &dest_y_return, &child_return);
wx += (screenOrigin_x - dest_x_return);
wy += (screenOrigin_y - dest_y_return);
}
float mx = wx;
float my = wy;
transformMouseXY(mx, my);
getEventQueue()->mouseMotion(mx, my, eventTime);
// osg::notify(osg::NOTICE)<<"MotionNotify wx="<<wx<<" wy="<<wy<<" mx="<<mx<<" my="<<my<<std::endl;
break;
}
case ButtonPress :
{
if (firstEventTime==0) firstEventTime = ev.xmotion.time;
Time relativeTime = ev.xmotion.time - firstEventTime;
eventTime = baseTime + static_cast<double>(relativeTime)*0.001;
if( ev.xbutton.button == Button4 )
{
getEventQueue()->mouseScroll(osgGA::GUIEventAdapter::SCROLL_UP, eventTime);
}
else if( ev.xbutton.button == Button5)
{
getEventQueue()->mouseScroll(osgGA::GUIEventAdapter::SCROLL_DOWN, eventTime);
}
else
{
float mx = ev.xbutton.x;
float my = ev.xmotion.y;
transformMouseXY(mx, my);
getEventQueue()->mouseButtonPress(mx, my, ev.xbutton.button, eventTime);
}
break;
}
case ButtonRelease :
{
if (firstEventTime==0) firstEventTime = ev.xmotion.time;
Time relativeTime = ev.xmotion.time - firstEventTime;
eventTime = baseTime + static_cast<double>(relativeTime)*0.001;
if( ev.xbutton.button == Button4 )
{
getEventQueue()->mouseScroll(osgGA::GUIEventAdapter::SCROLL_UP, eventTime);
}
else if( ev.xbutton.button == Button5)
{
getEventQueue()->mouseScroll(osgGA::GUIEventAdapter::SCROLL_DOWN, eventTime);
}
else
{
float mx = ev.xbutton.x;
float my = ev.xmotion.y;
transformMouseXY(mx, my);
getEventQueue()->mouseButtonRelease(mx, my, ev.xbutton.button, eventTime);
}
break;
}
case KeyPress:
{
if (firstEventTime==0) firstEventTime = ev.xmotion.time;
Time relativeTime = ev.xmotion.time - firstEventTime;
eventTime = baseTime + static_cast<double>(relativeTime)*0.001;
int keySymbol = 0;
unsigned int modifierMask = 0;
adaptKey(ev.xkey, keySymbol, modifierMask);
//getEventQueue()->getCurrentEventState()->setModKeyMask(modifierMask);
getEventQueue()->keyPress(keySymbol, eventTime);
break;
}
case KeyRelease:
{
if (firstEventTime==0) firstEventTime = ev.xmotion.time;
Time relativeTime = ev.xmotion.time - firstEventTime;
eventTime = baseTime + static_cast<double>(relativeTime)*0.001;
#if 1
// Check for following KeyPress events and see if
// the pair are the result of auto-repeat. If so, drop
// this one on the floor, to be consistent with
// Windows and Mac ports. The idea comes from libSDL sources.
XEvent nextev;
if (XPending(display))
{
XPeekEvent(display, &nextev);
if ((nextev.type == KeyPress)
&& (nextev.xkey.keycode == ev.xkey.keycode)
&& (nextev.xmotion.time - ev.xmotion.time < 2))
{
break;
}
}
#endif
int keySymbol = 0;
unsigned int modifierMask = 0;
adaptKey(ev.xkey, keySymbol, modifierMask);
//getEventQueue()->getCurrentEventState()->setModKeyMask(modifierMask);