static PyObject *xextdev_poll(PyObject *self, PyObject *args)
{
fd_set in_fds;
XEvent event;
struct timeval tv;
int gotsome = FALSE;
FD_ZERO(&in_fds);
FD_SET(x11_fd, &in_fds);
tv.tv_sec = 1;
tv.tv_usec = 0;
PyObject *list = PyList_New(0);
while(!term) {
if (XCheckIfEvent(display,&event,predicate,NULL)) {
do {
PyObject *py = process_event(&event);
if (py) {
PyList_Append(list,py);
gotsome = TRUE;
}
} while (XCheckIfEvent(display,&event,predicate,NULL));
if (gotsome)
break;
}
Py_BEGIN_ALLOW_THREADS
select(x11_fd+1, &in_fds, 0, 0, &tv);
tv.tv_sec = 1;
tv.tv_usec = 0;
Py_END_ALLOW_THREADS
}
if (term) {
fprintf(stderr,"Ungrabbing device...\n");
XUngrabDevice(display,xdev,CurrentTime);
//while (XPending(display))
// XNextEvent(display,&event);
XCloseDisplay(display);
display = NULL;
}
return list;
}
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;
}
