<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style></style></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1>Hello All,<o:p></o:p>I want to record all incoming key pressed events no matter what window is in focus or where the pointer is.<o:p></o:p>I have written a sample code which should capture the key pressed events of the current Window in focus.<o:p></o:p><o:p> </o:p>int main() { Display *display = XOpenDisplay(NULL); int iError; KeySym k; int revert_to; Window window; XEvent event; Time time; XSetErrorHandler(_invalid_window_handler); XGetInputFocus(display, &window, &revert_to); XSelectInput(display, window, KeyPressMask | KeyReleaseMask ); iError = XGrabKeyboard(display, window, KeyPressMask | KeyReleaseMask, GrabModeAsync, GrabModeAsync, CurrentTime); if (iError != GrabSuccess && iError == AlreadyGrabbed) { XUngrabPointer(display, CurrentTime); XFlush(display); printf("Already Grabbed\n"); } else if (iError == GrabSuccess) { printf("Grabbed\n"); } while(1) { XNextEvent(display,&event); switch (event.type) { case KeyPress : printf("Key Pressed\n"); break; case KeyRelease : printf("Key Released\n"); break; case EnterNotify : printf("Enter\n"); break; } } XCloseDisplay(display); return 0; }<o:p></o:p><o:p> </o:p>I am calling XGrabKeyboard to capture the keyboard as the application who created the window might have the keyboard events already grabbed. With the above mentioned code I am able to grab the keyboard but am unable to receive either of KeyPress or KeyRelease events for any keys on the keyboard inside the while loop.<o:p></o:p>Is there anything that I am missing in the code due to which I am unable to receive the events ? <o:p></o:p>Any help is highly appreciated.<o:p></o:p><o:p> </o:p>Thanks<o:p></o:p>-Harshad<o:p></o:p></div></body></html>