bool KeyMonitor::registerEvents()
{
unsigned long screen;
Window window;
XDeviceInfo *devices;
int num_devices;
int i, j;
XDevice *device;
XInputClassInfo *info;
XEventClass event_class;
m_display = XOpenDisplay(NULL);
screen = DefaultScreen(m_display);
window = RootWindow(m_display, screen);
devices = XListInputDevices(m_display, &num_devices);
for(i=0; i<num_devices; i++) {
device = XOpenDevice(m_display, devices[i].id);
if (device == NULL) {
/* That's not critical since "Virtual core..." devices don't
allow opening. */
UQ_DEBUG << "Could not open device: " << devices[i].name;
continue;
}
if (devices[i].use == IsXExtensionKeyboard) {
for (info=device->classes, j=0; j < device->num_classes; j++, info++) {
if (info->input_class == KeyClass) {
DeviceKeyPress(device, key_press_type, event_class);
m_eventList.append(event_class);
DeviceMappingNotify(device, notify_type, event_class);
m_eventList.append(event_class);
}
}
}
}
if (m_eventList.size() == 0) {
UQ_WARNING << "No input devices found.";
return false;
}
if (XSelectExtensionEvent(m_display, window, m_eventList.data(), m_eventList.size())) {
UQ_WARNING << "Error selecting events.";
return false;
}
return true;
}
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;
}
