Example #1
0
File: XEStrMap.c Project: aosm/X11
static void loadExtStrings(XETC *tc)
{
    char **extensionName=XListExtensions(tc->dpy,&numExtension);
    if (numExtension)
    {
        int i;
        extensionData = (_extensionData *)XtCalloc(numExtension,
                            sizeof(_extensionData));
        for (i = 0; i < numExtension; i++)
        {   /* Arrange extensions in opcode order */
            int opcode,event,error;
            if (XQueryExtension(tc->dpy,extensionName[i],&opcode,&event,
                &error))
            {
                extensionData[opcode-128].extName = extensionName[i];
                extensionData[opcode-128].extEvent = event;
            }
            else
            {   /* This extension didn't load!  Error! */
                extensionData[opcode-128].extName = "Invalid_Extension";
            }
        }
        XFreeExtensionList(extensionName);
    }
}
Example #2
0
static gboolean check_for_xquartz(GdkDisplay *dpy)
{
	int nextensions;
	int i;
	gboolean match = FALSE;
	char **extensions = XListExtensions(gdk_x11_display_get_xdisplay(dpy),
					    &nextensions);
	for (i = 0 ; extensions != NULL && i < nextensions ; i++) {
		if (strcmp(extensions[i], "Apple-WM") == 0 ||
		    strcmp(extensions[i], "Apple-DRI") == 0)
			match = TRUE;
	}
	if (extensions)
		XFreeExtensionList(extensions);

	return match;
}
Example #3
0
static Object P_List_Extensions (Object d) {
    Object ret;
    int n;
    register int i;
    register char **p;
    GC_Node;

    Check_Type (d, T_Display);
    Disable_Interrupts;
    p = XListExtensions (DISPLAY(d)->dpy, &n);
    Enable_Interrupts;
    ret = Make_Vector (n, Null);
    GC_Link (ret);
    for (i = 0; i < n; i++) {
        Object e;

        e = Make_String (p[i], strlen (p[i]));
        VECTOR(ret)->data[i] = e;
    }
    GC_Unlink;
    XFreeExtensionList (p);
    return ret;
}
Example #4
0
int
main(int argc, char * argv[])
{
  int           loop, num_extensions, num_devices;
  char          **extensions;
  XDeviceInfo   *devices;
  Display       *dpy;
  Window        root_win;
  unsigned long screen;
  int		list = 0;
  
  if (argc != 3) {
    fprintf(stderr, "usage : %s <device name> (ABSOLUTE|RELATIVE)\n", argv[0]);
    exit(1);
  }

  if (strcmp(argv[1], "-l") == 0) {
    list = 1;
  }
  
  dpy = XOpenDisplay(NULL);

  if (!dpy) {
    printf("unable to connect to X Server try to set the DISPLAY variable\n");
    exit(1);
  }

#ifdef DEBUG
  printf("connected to %s\n", XDisplayString(dpy));
#endif

  screen = DefaultScreen(dpy);
  root_win = RootWindow(dpy, screen);

  extensions = XListExtensions(dpy, &num_extensions);
  for (loop = 0; loop < num_extensions &&
         (strcmp(extensions[loop], "XInputExtension") != 0); loop++);
  XFreeExtensionList(extensions);
  if (loop != num_extensions)
    {
      devices = XListInputDevices(dpy, &num_devices);
      for(loop=0; loop<num_devices; loop++)
        {
          if (devices[loop].name &&
              (StrCaseCmp(devices[loop].name, argv[1]) == 0))
            if (devices[loop].use == IsXExtensionDevice)
              {
                XDevice *device;
              
#ifdef DEBUG
                fprintf(stderr, "opening device %s\n",
                        devices[loop].name ? devices[loop].name : "<noname>");
#endif
                device = XOpenDevice(dpy, devices[loop].id);
                if (device)
                  {
		    XSetDeviceMode(dpy, device, (strcmp("ABSOLUTE", argv[2]) == 0) ? Absolute
				   : Relative);
                    exit(0);
                  }
                else
                  {
                    fprintf(stderr, "error opening device\n");
                    exit(1);
                  }
              }
        }
      XFreeDeviceList(devices);
    }
  else
    {
      fprintf(stderr, "No XInput extension available\n");
      exit(1);
    }
  
  if (list) {
    exit(0);
  }
  else {
    fprintf(stderr, "Extended device %s not found\n", argv[1]);
    exit(1);
  }
}
static int
X11Error(Display *display, XErrorEvent *event) {
  // Get an indication of how long ago the request that caused the error was
  // made.
  unsigned long age = NextRequest(display) - event->serial;

  // Get a string to represent the request that caused the error.
  nsAutoCString message;
  if (event->request_code < 128) {
    // Core protocol request
    message.AppendInt(event->request_code);
  } else {
    // Extension request

    // man XSetErrorHandler says "the error handler should not call any
    // functions (directly or indirectly) on the display that will generate
    // protocol requests or that will look for input events" so we use another
    // temporary Display to request extension information.  This assumes on
    // the DISPLAY environment variable has been set and matches what was used
    // to open |display|.
    Display *tmpDisplay = XOpenDisplay(NULL);
    if (tmpDisplay) {
      int nExts;
      char** extNames = XListExtensions(tmpDisplay, &nExts);
      int first_error;
      if (extNames) {
        for (int i = 0; i < nExts; ++i) {
          int major_opcode, first_event;
          if (XQueryExtension(tmpDisplay, extNames[i],
                              &major_opcode, &first_event, &first_error)
              && major_opcode == event->request_code) {
            message.Append(extNames[i]);
            message.Append('.');
            message.AppendInt(event->minor_code);
            break;
          }
        }

        XFreeExtensionList(extNames);
      }
      XCloseDisplay(tmpDisplay);

#ifdef MOZ_WIDGET_GTK2
      // GDK2 calls XCloseDevice the devices that it opened on startup, but
      // the XI protocol no longer ensures that the devices will still exist.
      // If they have been removed, then a BadDevice error results.  Ignore
      // this error.
      if (message.EqualsLiteral("XInputExtension.4") &&
          event->error_code == first_error + 0) {
        return 0;
      }
#endif
    }
  }

  char buffer[BUFSIZE];
  if (message.IsEmpty()) {
    buffer[0] = '\0';
  } else {
    XGetErrorDatabaseText(display, "XRequest", message.get(), "",
                          buffer, sizeof(buffer));
  }

  nsAutoCString notes;
  if (buffer[0]) {
    notes.Append(buffer);
  } else {
    notes.Append("Request ");
    notes.AppendInt(event->request_code);
    notes.Append('.');
    notes.AppendInt(event->minor_code);
  }

  notes.Append(": ");

  // Get a string to describe the error.
  XGetErrorText(display, event->error_code, buffer, sizeof(buffer));
  notes.Append(buffer);

  // For requests where Xlib gets the reply synchronously, |age| will be 1
  // and the stack will include the function making the request.  For
  // asynchronous requests, the current stack will often be unrelated to the
  // point of making the request, even if |age| is 1, but sometimes this may
  // help us count back to the point of the request.  With XSynchronize on,
  // the stack will include the function making the request, even though
  // |age| will be 2 for asynchronous requests because XSynchronize is
  // implemented by an empty request from an XSync, which has not yet been
  // processed.
  if (age > 1) {
    // XSynchronize returns the previous "after function".  If a second
    // XSynchronize call returns the same function after an enable call then
    // synchronization must have already been enabled.
    if (XSynchronize(display, True) == XSynchronize(display, False)) {
      notes.Append("; sync");
    } else {
      notes.Append("; ");
      notes.AppendInt(uint32_t(age));
      notes.Append(" requests ago");
    }
  }

#ifdef MOZ_CRASHREPORTER
  switch (XRE_GetProcessType()) {
  case GeckoProcessType_Default:
  case GeckoProcessType_Plugin:
  case GeckoProcessType_Content:
    CrashReporter::AppendAppNotesToCrashReport(notes);
    break;
  default: 
    ; // crash report notes not supported.
  }
#endif

#ifdef DEBUG
  // The resource id is unlikely to be useful in a crash report without
  // context of other ids, but add it to the debug console output.
  notes.Append("; id=0x");
  notes.AppendInt(uint32_t(event->resourceid), 16);
#ifdef MOZ_X11
  // Actually, for requests where Xlib gets the reply synchronously,
  // MOZ_X_SYNC=1 will not be necessary, but we don't have a table to tell us
  // which requests get a synchronous reply.
  if (!PR_GetEnv("MOZ_X_SYNC")) {
    notes.Append("\nRe-running with MOZ_X_SYNC=1 in the environment may give a more helpful backtrace.");
  }
#endif
#endif

#ifdef MOZ_WIDGET_QT
  // We should not abort here if MOZ_X_SYNC is not set
  // until http://bugreports.qt.nokia.com/browse/QTBUG-4042
  // not fixed, just print error value
  if (!PR_GetEnv("MOZ_X_SYNC")) {
    fprintf(stderr, "XError: %s\n", notes.get());
    return 0; // temporary workaround for bug 161472
  }
#endif

  NS_RUNTIMEABORT(notes.get());
  return 0; // not reached
}
// create a new window and set it's characteristics
Window OpenGLPbufferDisplayDevice::open_window(char *nm, int *size, int *loc,
					int argc, char** argv
) {
  char *dispname;
  if ((dispname = getenv("VMDGDISPLAY")) == NULL)
    dispname = getenv("DISPLAY");

  if(!(glxsrv.dpy = XOpenDisplay(dispname))) {
    msgErr << "Exiting due to X-Windows GLX/OpenGL Pbuffer creation failure." << sendmsg;
    if (dispname != NULL) {
      msgErr << "Failed to open display: " << dispname << sendmsg;
    }
    return (Window)0; 
  }


  //
  // Check for "Composite" extension and any others that might cause
  // stability issues and warn the user about any potential problems...
  //
  char **xextensionlist;
  int nextensions, xtn;
  int warncompositeext=0;
  xextensionlist = XListExtensions(glxsrv.dpy, &nextensions);
  for (xtn=0; xtn<nextensions; xtn++) {
//    printf("xtn[%d]: '%s'\n", xtn, xextensionlist[xtn]);
    if (xextensionlist[xtn] && !strcmp(xextensionlist[xtn], "Composite")) {
      warncompositeext=1;
    }
  }
  if (warncompositeext) {
    msgWarn << "Detected X11 'Composite' extension: if incorrect display occurs" << sendmsg;
    msgWarn << "try disabling this X server option.  Most OpenGL drivers" << sendmsg;
    msgWarn << "disable stereoscopic display when 'Composite' is enabled." << sendmsg;
  }
  XFreeExtensionList(xextensionlist);


  //
  // get info about root window
  //
  glxsrv.dpyScreen = DefaultScreen(glxsrv.dpy);
  glxsrv.rootWindowID = RootWindow(glxsrv.dpy, glxsrv.dpyScreen);
  screenX = DisplayWidth(glxsrv.dpy, glxsrv.dpyScreen);
  screenY = DisplayHeight(glxsrv.dpy, glxsrv.dpyScreen);

  // (3) make sure the GLX extension is available
  if (!glXQueryExtension(glxsrv.dpy, NULL, NULL)) {
    msgErr << "The X server does not support the OpenGL GLX extension." 
           << "   Exiting ..." << sendmsg;
    XCloseDisplay(glxsrv.dpy);
    return (Window)0;
  }

  ext->hasstereo = TRUE;         // stereo on until we find out otherwise.
  ext->stereodrawforced = FALSE; // no need for force stereo draws initially
  ext->hasmultisample = TRUE;    // multisample on until we find out otherwise.

  // Find the best matching OpenGL framebuffer config for our purposes
  GLXFBConfig *fbc;
  fbc = vmd_get_fbconfig(&glxsrv, &ext->hasstereo, &ext->hasmultisample, &ext->nummultisamples);
  if (fbc == NULL) {
    msgErr << "No OpenGL Pbuffer configurations available" << sendmsg;
    return (Window)0;
  }

  // Create the OpenGL Pbuffer and associated GLX context
  const int pbconf[] = {GLX_PBUFFER_WIDTH, DEF_PBUFFER_XRES, 
                        GLX_PBUFFER_HEIGHT, DEF_PBUFFER_YRES,
                        GLX_LARGEST_PBUFFER, 1,
                        GLX_PRESERVED_CONTENTS, 1, 
                        None};
  GLXPbuffer PBuffer = glXCreatePbuffer(glxsrv.dpy, fbc[0], pbconf);
  glxsrv.cx = glXCreateNewContext(glxsrv.dpy, fbc[0], GLX_RGBA_TYPE, 0, GL_TRUE);
  if (PBuffer == 0 || glxsrv.cx == NULL) {
    msgErr << "A TrueColor OpenGL Pbuffer is required, but not available." << sendmsg;
    msgErr << "The X server is not capable of displaying double-buffered," << sendmsg;
    msgErr << "RGB images with a Z buffer.   Exiting ..." << sendmsg;
    XCloseDisplay(glxsrv.dpy);
    return (Window)0;
  }

  // set maximum allowable rendered image size for the Pbuffer
  // that was actually allocated, which may be smaller than we hoped...
  PbufferMaxXsz = DEF_PBUFFER_XRES;
  PbufferMaxYsz = DEF_PBUFFER_YRES;
  glXQueryDrawable(glxsrv.dpy, PBuffer, GLX_WIDTH,  &PbufferMaxXsz);
  glXQueryDrawable(glxsrv.dpy, PBuffer, GLX_HEIGHT, &PbufferMaxYsz);

  msgInfo << "OpenGL Pbuffer size: " 
          << PbufferMaxXsz << "x"
          << PbufferMaxYsz << sendmsg;

  // set default image size to incoming values, when possible.
  xSize = size[0];
  ySize = size[1];
  if (xSize < 0 || xSize > PbufferMaxXsz || 
      ySize < 0 || ySize > PbufferMaxYsz) {
    msgWarn << "Ignored out-of-range OpenGL Pbuffer image dimension request: " 
            << xSize << "x" << ySize 
            << " (max: " 
            << PbufferMaxXsz << "x" << PbufferMaxYsz << ")" << sendmsg;
    xSize = PbufferMaxXsz;
    ySize = PbufferMaxYsz;
  }

  // make the Pbuffer active
  glXMakeContextCurrent(glxsrv.dpy, PBuffer, PBuffer, glxsrv.cx);
  glXMakeCurrent(glxsrv.dpy, PBuffer, glxsrv.cx);

  // If we have acquired a multisample buffer with GLX, we
  // still need to test to see if we can actually use it.
  if (ext->hasmultisample) {
    int msampeext = 0;

    // check for ARB multisampling
    if (ext->vmdQueryExtension("GL_ARB_multisample")) {
      msampeext = 1;
    }

    if (!msampeext) {
      ext->hasmultisample = FALSE;
      ext->nummultisamples = 0;
    }
  }

  // (9) configure the rendering properly
  setup_initial_opengl_state();  // setup initial OpenGL state

  // normal return: window was successfully created
  have_window = TRUE;

  // return window id
  return PBuffer;
}
Example #7
0
int
main(int argc, char * argv[])
{
  int           loop, num_extensions, num_devices;
  char          **extensions;
  XDeviceInfo   *devices;
  Display       *dpy;
  Window        root_win;
  unsigned long screen;
  int		list = 0;
  
  if (argc != 2) {
    fprintf(stderr, "usage : %s (-l | <device name>)\n", argv[0]);
    exit(1);
  }

  if (strcmp(argv[1], "-l") == 0) {
    list = 1;
  }
  
  dpy = XOpenDisplay(NULL);

  if (!dpy) {
    printf("unable to connect to X Server try to set the DISPLAY variable\n");
    exit(1);
  }

#ifdef DEBUG
  printf("connected to %s\n", XDisplayString(dpy));
#endif

  screen = DefaultScreen(dpy);
  root_win = RootWindow(dpy, screen);

  extensions = XListExtensions(dpy, &num_extensions);
  for (loop = 0; loop < num_extensions &&
         (strcmp(extensions[loop], "XInputExtension") != 0); loop++);
  XFreeExtensionList(extensions);
  if (loop != num_extensions)
    {
      devices = XListInputDevices(dpy, &num_devices);
      for(loop=0; loop<num_devices; loop++)
        {
	  if (list) {
	      printf("\"%s\"	[", devices[loop].name ? devices[loop].name : "<noname>");
	      switch(devices[loop].use) {
	      case IsXPointer:
		  printf("XPointer]\n");
		  break;
	      case IsXKeyboard:
		  printf("XKeyboard]\n");
		  break;
	      case IsXExtensionDevice:
		  printf("XExtensionDevice]\n");
		  break;
	      default:
		  printf("invalid value]\n");
		  break;
	      }
	  }
	  else {
          if ((argc == 2) && devices[loop].name &&
              (StrCaseCmp(devices[loop].name, argv[1]) == 0))
            if (devices[loop].use == IsXExtensionDevice)
              {
                XDevice *device;
              
#ifdef DEBUG
                fprintf(stderr, "opening device %s\n",
                        devices[loop].name ? devices[loop].name : "<noname>");
#endif
                device = XOpenDevice(dpy, devices[loop].id);
                if (device)
                  {
                    XChangePointerDevice(dpy, device, 0, 1);
                    exit(0);
                  }
                else
                  {
                    fprintf(stderr, "error opening device\n");
                    exit(1);
                  }
              }
	  }
        }
      XFreeDeviceList(devices);
    }
  else
    {
      fprintf(stderr, "No XInput extension available\n");
      exit(1);
    }
  
  if (list) {
    exit(0);
  }
  else {
    fprintf(stderr, "Extended device %s not found\n", argv[1]);
    exit(1);
  }
}
Example #8
0
void
WindowMetrics::MeasureScreen(bool waitForWM)
{
#ifdef Q_WS_X11
    //
    // Create the test window
    //
    testWindow = new TestWin;
    testWindow->show();

    //
    // Try and determine if we're displaying X11 to a Mac.
    //
    int nExt = 0, appleDisplay = 0;
    char **ext = XListExtensions(QX11Info::display(), &nExt);
    for(int e = 0; e < nExt; ++e)
    {
        if(strcmp(ext[e], "Apple-DRI") == 0 ||
                strcmp(ext[e], "Apple-WM") == 0)
        {
            appleDisplay++;
        }
    }
    XFreeExtensionList(ext);

    //
    // Calculate the metrics
    //
    CalculateScreen(testWindow, screenX, screenY, screenW, screenH);

    // We need for the window manager to put borders on the window
    // before we can determine their sizes
    if(waitForWM)
        WaitForWindowManagerToGrabWindow(testWindow);

    // We tried to put the main window at 100,100...
    // ...see where it *really* started out
    preshiftX = 100;
    preshiftY = 100;
    CalculateTopLeft(testWindow, preshiftX, preshiftY);
    preshiftX -= 100;
    preshiftY -= 100;

    // Determine the border sizes of the main window.
    CalculateBorders(testWindow, borderT, borderB, borderL, borderR);

    // Move it to the top left (we think)
    testWindow->move(borderL,borderT);
    testWindow->resize(2,2);

    if(waitForWM)
    {
        do
        {
            // If it's not at 0,0, then we have a shift
            WaitForWindowManagerToMoveWindow(testWindow);
            CalculateTopLeft(testWindow, shiftX, shiftY);
        }
        while ((shiftX == preshiftX+100  &&  shiftY == preshiftY+100) &&
                appleDisplay == 0);
        // (sometimes we need to wait for more than one ConfigureNotify)
    }
    else
        CalculateTopLeft(testWindow, shiftX, shiftY);

    // Adjust preshift to account for the actual shift
    preshiftX += (borderL - shiftX);
    preshiftY += (borderT - shiftY);

    testWindow->hide();
#else
    //
    // Calculate the metrics
    //
    CalculateScreen(0, screenX, screenY, screenW, screenH);

    //
    // Determine the border sizes of the main window.
    //
    CalculateBorders(0, borderT, borderB, borderL, borderR);

#if defined(Q_WS_WIN)
    preshiftX = shiftX = borderL;
    preshiftY = shiftY = borderT;
#endif
#endif
}