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Sending key event using Xlib's XsendEvent (without XTEST)



Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)
Data science time! April 2019 and salary with experience
Should we burninate the [wrap] tag?
The Ask Question Wizard is Live!how to quit the blocking of xlib's XNextEventHow to send key event to application using XCB?Is it necessary to use xlib's “XAllocSizeHints()”?How to send a key press event to X for a key that isn't on the keyboard?Passing mouse events with XSendEventX sends many key up events when a key is heldSending an event using XSendEvent when a pointer is grabbedXSendEvent does not change modifier key stateDifference between XTestFakeButtonEvent & XSendEventC xtest emitting key presses for every Unicode character



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0















I want to send the 'a' with the Shift modifier to a window (with windowId wid) and expecting it to send the
capital 'A'. But, it always send the lowercase 'a'. I am applying the shift modifier to the state of the keyevent.
What is that I am missing here?



 XKeyEvent xkpe;
xkpe.type = KeyPress;
xkpe.display = disp;
xkpe.window = wid;
xkpe.root = root;
xkpe.subwindow = None;
xkpe.time = CurrentTime;
xkpe.x = 0;
xkpe.y = 0;

Window dummy;
unsigned int mask,dummyUInt;
int ret,dummyInt;
ret = XQueryPointer(xkpe.display, xkpe.window, &dummy, &dummy,
&dummyInt, &dummyInt, &dummyInt, &dummyInt, &mask);

if(ret == 0)
qDebug() << "XTranslateCoordinates unsuccessfull returning early";
return;


xkpe.state = mask | ShiftMask;
xkpe.keycode = XKeysymToKeycode(xkpe.display,XK_a);
xkpe.same_screen = True;

ret = XSendEvent(xkpe.display, wid, False, KeyPressMask | KeyReleaseMask, (XEvent *)&xkpe);


Let me know if the working code will help answering this question.










share|improve this question




























    0















    I want to send the 'a' with the Shift modifier to a window (with windowId wid) and expecting it to send the
    capital 'A'. But, it always send the lowercase 'a'. I am applying the shift modifier to the state of the keyevent.
    What is that I am missing here?



     XKeyEvent xkpe;
    xkpe.type = KeyPress;
    xkpe.display = disp;
    xkpe.window = wid;
    xkpe.root = root;
    xkpe.subwindow = None;
    xkpe.time = CurrentTime;
    xkpe.x = 0;
    xkpe.y = 0;

    Window dummy;
    unsigned int mask,dummyUInt;
    int ret,dummyInt;
    ret = XQueryPointer(xkpe.display, xkpe.window, &dummy, &dummy,
    &dummyInt, &dummyInt, &dummyInt, &dummyInt, &mask);

    if(ret == 0)
    qDebug() << "XTranslateCoordinates unsuccessfull returning early";
    return;


    xkpe.state = mask | ShiftMask;
    xkpe.keycode = XKeysymToKeycode(xkpe.display,XK_a);
    xkpe.same_screen = True;

    ret = XSendEvent(xkpe.display, wid, False, KeyPressMask | KeyReleaseMask, (XEvent *)&xkpe);


    Let me know if the working code will help answering this question.










    share|improve this question
























      0












      0








      0








      I want to send the 'a' with the Shift modifier to a window (with windowId wid) and expecting it to send the
      capital 'A'. But, it always send the lowercase 'a'. I am applying the shift modifier to the state of the keyevent.
      What is that I am missing here?



       XKeyEvent xkpe;
      xkpe.type = KeyPress;
      xkpe.display = disp;
      xkpe.window = wid;
      xkpe.root = root;
      xkpe.subwindow = None;
      xkpe.time = CurrentTime;
      xkpe.x = 0;
      xkpe.y = 0;

      Window dummy;
      unsigned int mask,dummyUInt;
      int ret,dummyInt;
      ret = XQueryPointer(xkpe.display, xkpe.window, &dummy, &dummy,
      &dummyInt, &dummyInt, &dummyInt, &dummyInt, &mask);

      if(ret == 0)
      qDebug() << "XTranslateCoordinates unsuccessfull returning early";
      return;


      xkpe.state = mask | ShiftMask;
      xkpe.keycode = XKeysymToKeycode(xkpe.display,XK_a);
      xkpe.same_screen = True;

      ret = XSendEvent(xkpe.display, wid, False, KeyPressMask | KeyReleaseMask, (XEvent *)&xkpe);


      Let me know if the working code will help answering this question.










      share|improve this question














      I want to send the 'a' with the Shift modifier to a window (with windowId wid) and expecting it to send the
      capital 'A'. But, it always send the lowercase 'a'. I am applying the shift modifier to the state of the keyevent.
      What is that I am missing here?



       XKeyEvent xkpe;
      xkpe.type = KeyPress;
      xkpe.display = disp;
      xkpe.window = wid;
      xkpe.root = root;
      xkpe.subwindow = None;
      xkpe.time = CurrentTime;
      xkpe.x = 0;
      xkpe.y = 0;

      Window dummy;
      unsigned int mask,dummyUInt;
      int ret,dummyInt;
      ret = XQueryPointer(xkpe.display, xkpe.window, &dummy, &dummy,
      &dummyInt, &dummyInt, &dummyInt, &dummyInt, &mask);

      if(ret == 0)
      qDebug() << "XTranslateCoordinates unsuccessfull returning early";
      return;


      xkpe.state = mask | ShiftMask;
      xkpe.keycode = XKeysymToKeycode(xkpe.display,XK_a);
      xkpe.same_screen = True;

      ret = XSendEvent(xkpe.display, wid, False, KeyPressMask | KeyReleaseMask, (XEvent *)&xkpe);


      Let me know if the working code will help answering this question.







      x11






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 22 at 9:04









      MohitMohit

      552516




      552516






















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