int Run(Display* pDisp, UI* pUI, FORMATTYPE fmt, const char* pszDeviceName)
{
int nRtn;
XDevice* pDev;
XDeviceInfoPtr pDevInfo;
int nEventListCnt = 0;
XEventClass eventList[32];
XEventClass cls;
/* get the device by name */
pDevInfo = GetDevice(pDisp,pszDeviceName);
if (!pDevInfo)
{
fprintf(stderr,"Unable to find input device '%s'\n",pszDeviceName);
return 1;
}
/* open device */
pDev = XOpenDevice(pDisp,pDevInfo->id);
if (!pDev)
{
fprintf(stderr,"Unable to open input device '%s'\n",pszDeviceName);
return 1;
}
/* key events */
DeviceKeyPress(pDev,gnInputEvent[INPUTEVENT_KEY_PRESS],cls);
if (cls) eventList[nEventListCnt++] = cls;
DeviceKeyRelease(pDev,gnInputEvent[INPUTEVENT_KEY_RELEASE],cls);
if (cls) eventList[nEventListCnt++] = cls;
/* focus events */
DeviceFocusIn(pDev,gnInputEvent[INPUTEVENT_FOCUS_IN],cls);
if (cls) eventList[nEventListCnt++] = cls;
DeviceFocusOut(pDev,gnInputEvent[INPUTEVENT_FOCUS_OUT],cls);
if (cls) eventList[nEventListCnt++] = cls;
/* button events */
DeviceButtonPress(pDev,gnInputEvent[INPUTEVENT_BTN_PRESS],cls);
if (cls) eventList[nEventListCnt++] = cls;
DeviceButtonRelease(pDev,gnInputEvent[INPUTEVENT_BTN_RELEASE],cls);
if (cls) eventList[nEventListCnt++] = cls;
/* proximity events */
ProximityIn(pDev,gnInputEvent[INPUTEVENT_PROXIMITY_IN],cls);
if (cls) eventList[nEventListCnt++] = cls;
ProximityOut(pDev,gnInputEvent[INPUTEVENT_PROXIMITY_OUT],cls);
if (cls) eventList[nEventListCnt++] = cls;
/* motion events */
DeviceMotionNotify(pDev,gnInputEvent[INPUTEVENT_MOTION_NOTIFY],cls);
if (cls) eventList[nEventListCnt++] = cls;
/* device state */
DeviceStateNotify(pDev,gnInputEvent[INPUTEVENT_DEVICE_STATE_NOTIFY],cls);
if (cls) eventList[nEventListCnt++] = cls;
DeviceMappingNotify(pDev,
gnInputEvent[INPUTEVENT_DEVICE_MAPPING_NOTIFY],cls);
if (cls) eventList[nEventListCnt++] = cls;
ChangeDeviceNotify(pDev,gnInputEvent[INPUTEVENT_CHANGE_DEVICE_NOTIFY],cls);
if (cls) eventList[nEventListCnt++] = cls;
#if 0
/* this cuts the motion data down - not sure if this is useful */
DevicePointerMotionHint(pDev,
gnInputEvent[INPUTEVENT_DEVICE_POINTER_MOTION_HINT],cls);
if (cls) eventList[nEventListCnt++] = cls;
#endif
/* button motion */
DeviceButtonMotion(pDev,
gnInputEvent[INPUTEVENT_DEVICE_BUTTON_MOTION],cls);
if (cls) eventList[nEventListCnt++] = cls;
DeviceButton1Motion(pDev,
gnInputEvent[INPUTEVENT_DEVICE_BUTTON1_MOTION],cls);
if (cls) eventList[nEventListCnt++] = cls;
DeviceButton2Motion(pDev,
gnInputEvent[INPUTEVENT_DEVICE_BUTTON2_MOTION],cls);
if (cls) eventList[nEventListCnt++] = cls;
DeviceButton3Motion(pDev,
gnInputEvent[INPUTEVENT_DEVICE_BUTTON3_MOTION],cls);
if (cls) eventList[nEventListCnt++] = cls;
DeviceButton4Motion(pDev,
gnInputEvent[INPUTEVENT_DEVICE_BUTTON4_MOTION],cls);
if (cls) eventList[nEventListCnt++] = cls;
DeviceButton5Motion(pDev,
gnInputEvent[INPUTEVENT_DEVICE_BUTTON5_MOTION],cls);
if (cls) eventList[nEventListCnt++] = cls;
/* specify which events to report */
/* XSelectInput(pDisp,wnd,0x00FFFFFF ^ PointerMotionHintMask); */
/* XSelectExtensionEvent(pDisp,wnd,eventList,nEventListCnt); */
/* grab device - work whether pointer is in active window or not */
XGrabDevice(pDisp,pDev,DefaultRootWindow(pDisp),
0, /* no owner events */
nEventListCnt, eventList, /* events */
GrabModeAsync, /* don't queue, give me whatever you got */
GrabModeAsync, /* same */
CurrentTime);
/* fire up the UI */
if ((nRtn=pUI->Init()) != 0)
fprintf(stderr,"failed to initialize UI\n");
else
{
if ((nRtn=pUI->Run(pDisp,pDevInfo,fmt)) != 0)
fprintf(stderr,"failed to run UI\n");
pUI->Term();
}
XUngrabDevice(pDisp,pDev,CurrentTime);
XFree(pDev);
XCloseDisplay(pDisp);
return nRtn;
}
static PyObject * xextdev_grab(PyObject *self, PyObject *args)
{
XEventClass cls;
const char *devname;
int devid;
XAnyClassPtr pClass;
int j;
XEventClass eventList[32];
int nEventListCnt = 0;
if (!display) {
ASSERTCOND(display = XOpenDisplay(NULL),"open display");
/* polling this seems to be the only way
* * to do a timed wait on X events */
x11_fd = ConnectionNumber(display);
xdevList = (XDeviceInfoPtr) XListInputDevices(display, &devcount);
if (!xdevList) {
fprintf(stderr,"Failed to get input device list\n");
return Py_BuildValue("i", 0);
}
}
if (!PyArg_ParseTuple(args, "i", &devid))
return Py_BuildValue("i", 0);
ASSERTCOND(devid<devcount,
"Tried to grab non-existing device id %d (max %d)",
devid,devcount);
xdevInfo = xdevList + devid;
devname = xdevInfo->name;
val = NULL;
pClass = xdevInfo->inputclassinfo;
for (j=0; j<xdevInfo->num_classes; ++j)
{
switch (pClass->class) {
case ValuatorClass:
val = (XValuatorInfoPtr)pClass;
break;
}
pClass = (XAnyClassPtr)((char*)pClass + pClass->length);
}
ASSERTCOND(val,"xinputextdev: Unable to get valuator "
"information of '%s'\n",devname);
/* open device */
ASSERTCOND(xdev = XOpenDevice(display,xdevInfo->id),
"xinputextdev: Unable to open "
"input device '%s'\n",devname);
/* button events */
DeviceButtonPress(xdev,inputEventTypes[INPUTEVENT_BTN_PRESS],cls);
if (cls) eventList[nEventListCnt++] = cls;
DeviceButtonRelease(xdev,inputEventTypes[INPUTEVENT_BTN_RELEASE],cls);
if (cls) eventList[nEventListCnt++] = cls;
/* motion events */
DeviceMotionNotify(xdev,inputEventTypes[INPUTEVENT_MOTION_NOTIFY],cls);
if (cls) eventList[nEventListCnt++] = cls;
/* proximity events */
ProximityOut(xdev,inputEventTypes[INPUTEVENT_PROXIMITY_OUT],cls);
if (cls) eventList[nEventListCnt++] = cls;
ProximityIn(xdev,inputEventTypes[INPUTEVENT_PROXIMITY_IN],cls);
if (cls) eventList[nEventListCnt++] = cls;
/* grab device */
int err = XGrabDevice(display,xdev,DefaultRootWindow(display),
0,nEventListCnt,eventList,
GrabModeAsync,GrabModeAsync,CurrentTime);
if (err == AlreadyGrabbed)
fprintf(stderr,"xinputextdev: Grab error: AlreadyGrabbed\n");
else if (err == GrabNotViewable)
fprintf(stderr, "xinputextdev: Grab error: GrabNotViewable\n");
else if (err == GrabFrozen)
fprintf(stderr, "xinputextdev: Grab error: GrabFrozen\n");
else {
printf("xinputextdev: Device '%s' grabbed.\n",devname);
return Py_BuildValue("[i,i]",
val->axes[0].max_value,
val->axes[1].max_value);
}
return Py_BuildValue("i", 0);
}
