Attachment 20643 Details for Bug 18715 – lists XInput devices, and does some extra checks if the device name is spaceball

lists XInput devices, and does some extra checks if the device name is spaceball

device_list.cpp (text/plain), 2.85 KB, created by jsado_sc3 on 2008-11-27 17:22:10 UTC

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Creator: jsado_sc3

Created: 2008-11-27 17:22:10 UTC

Size: 2.85 KB

patch

obsolete

>#include <iostream>
>#include <X11/Xlib.h>
>#include <X11/Xutil.h>
>#include <X11/Xos.h>
>#include <X11/Xatom.h>
>#include <X11/extensions/XInput.h>
>#include <X11/keysym.h>
>
>int main(int argc, char* argv[])
>{
>  Display *display;
>  Window root, window;
>
>  int screennumber,width,height;
>  XSizeHints *sizehints;
>  XWMHints *wmhints;
>  XClassHint *classhints;
>
>  char *WinName = "Magellan 3D Controller";
>  XTextProperty WindowName;
>  GC wingc;
>  XGCValues xgcvalues;
>
>  XEvent report;
>
>  XComposeStatus compose;
>  KeySym keysym;
>
>   sizehints  = XAllocSizeHints();
>   wmhints    = XAllocWMHints();
>   classhints = XAllocClassHint();
>   if ( (sizehints==NULL) || (wmhints==NULL) || (classhints==NULL) )
>    {
>     fprintf( stderr, "Can't allocate memory! Exit ... \n" );
>     exit( -1 );
>    };
>
>   display = XOpenDisplay( NULL );
>   if ( display == NULL )
>    {
>     fprintf( stderr, "Can't open display! Exit ... \n");
>     exit( -1 );
>    };
>
>   screennumber = DefaultScreen(display);
>   width  = DisplayWidth(display,screennumber);
>   height = DisplayHeight(display,screennumber);
>   root   = DefaultRootWindow(display);
>   window = XCreateSimpleWindow( display, root, 0,0, width/5*3,height/8, 20,
>               BlackPixel(display,screennumber),
>               WhitePixel(display,screennumber) );
>
>   XStringListToTextProperty( &WinName, 1, &WindowName );
>   XDeviceInfoPtr device_info, device;
>   int num_dev;
>   device_info = XListInputDevices(display, &num_dev);
>   if (device_info) {
>     for (int i = 0; i < num_dev; i++) {
>       device=&device_info[i];
>       std::cout << device->name << std::endl;
>       if(!strcmp(device->name, "spaceball"))
>       {
>         XAnyClassPtr any;
>         any = (XAnyClassPtr) device->inputclassinfo;
>         XButtonInfoPtr b;
>         XValuatorInfoPtr v;
>         v = NULL;
>         b = NULL;
>         int btns;
>         for (int j = 0; j < device->num_classes; j++) {
>#if defined(__cplusplus) || defined(c_plusplus)
>          switch (any->c_class) {
>#else
>          switch (any->class) {
>#endif
>          case ButtonClass:
>            b = (XButtonInfoPtr) any;
>            btns = b->num_buttons;
>            std::cout << "num buttons: " << btns << std::endl;
>            break;
>          case ValuatorClass:
>            v = (XValuatorInfoPtr) any;
>            /* Sanity check: at least 6 valuators? */
>            std::cout << "num axes: " << v->num_axes << std::endl;
>            if (v->num_axes < 6)
>            {
>              std::cout << "Insufficient number of axes\n";
>              exit(0);
>            }
>            XAxisInfoPtr a;
>            a = (XAxisInfoPtr) ((char *) v + sizeof(XValuatorInfo));
>            break;
>          }
>          any = (XAnyClassPtr) ((char *) any + any->length);
>        }
>        if (v) {
>          std::cout << "GLUT should be happy\n";
>          //__glutSpaceball = XOpenDevice(__glutDisplay, device->id);
>        }
>      }
>    }
>  }
>}
>

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Attachments on bug 18715: 20613 | 20643 | 20688 | 20694

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