Attachment 54721 Details for Bug 44079 – Demonstration of problem

Demonstration of problem

focusout.c (text/plain), 3.52 KB, created by Benjamin Otte on 2011-12-22 14:20:44 UTC

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Creator: Benjamin Otte

Created: 2011-12-22 14:20:44 UTC

Size: 3.52 KB

patch

obsolete

>/*
>gcc -Wall `pkg-config --libs --cflags x11 xi` focusout.c -o focusout
>*/
>
>#include <X11/Xlib.h>
>#include <X11/extensions/XInput2.h>
>#include <stdio.h>
>
>static const char *notify_modes[] = {
>  "Normal",
>  "Grab",
>  "Ungrab",
>  "Grabbed"
>};
>
>static const char *notify_details[] = {
>  "Ancestor",
>  "Virtual",
>  "Inferior",
>  "Nonlinear",
>  "NonlinearVirtual",
>  "Pointer",
>  "PointerRoot",
>  "DetailNone"
>};
>
>int
>main (void)
>{
>  Display *display;
>  Window toplevel, mid, focus;
>  XEvent event;
>  XIEnterEvent *ev;
>  int opcode, firstevent, firsterror;
>  unsigned char mask[XIMaskLen (XI_LASTEVENT)];
>  XIEventMask event_mask;
>
>  display = XOpenDisplay (NULL);
>  
>  if (XQueryExtension (display, "XInputExtension",
>                       &opcode, &firstevent, &firsterror))
>    {
>      int major, minor;
>
>      major = 2;
>      minor = 0;
>
>      if (XIQueryVersion (display, &major, &minor) == BadRequest)
>        return 1;
>    }
>  else
>    return 1;
>
>  toplevel = XCreateSimpleWindow (display, DefaultRootWindow (display),
>                                  10, 10, 10, 10, 0,
>                                  0, 0);
>  mid = XCreateSimpleWindow (display, toplevel,
>                             0, 0, 10, 10, 0,
>                             0, 0);
>  focus = XCreateSimpleWindow (display, mid,
>                               -1, -1, 1, 1, 0,
>                               0, 0);
>
>  XISetMask (mask, XI_KeyPress);
>  XISetMask (mask, XI_KeyRelease);
>  XISetMask (mask, XI_FocusIn);
>  XISetMask (mask, XI_FocusOut);
>
>  event_mask.deviceid = XIAllMasterDevices;
>  event_mask.mask = mask;
>  event_mask.mask_len = sizeof (mask);
>
>  XISelectEvents (display, toplevel, &event_mask, 1);
>  XISelectEvents (display, mid, &event_mask, 1);
>  XISelectEvents (display, focus, &event_mask, 1);
>  XSelectInput (display, toplevel, StructureNotifyMask | PropertyChangeMask | FocusChangeMask);
>  XSelectInput (display, mid, KeyPressMask | KeyReleaseMask | FocusChangeMask);
>  XSelectInput (display, focus, KeyPressMask | KeyReleaseMask | FocusChangeMask);
>
>  XMapWindow (display, focus);
>  XMapWindow (display, mid);
>  XMapWindow (display, toplevel);
>
>  while (XNextEvent (display, &event) == 0)
>    {
>      switch (event.type)
>      {
>        case FocusIn:
>          XSetInputFocus (display, focus, RevertToParent, CurrentTime);
>        case FocusOut:
>          printf ("    %s %s %7s %s\n",
>                  event.type == FocusIn ? "IN " : "OUT",
>                  event.xany.window == toplevel ? " top "
>                    : event.xany.window == mid ? " mid "
>                    : event.xany.window == focus ? "focus" : " ??? ",
>                  notify_modes[event.xfocus.mode],
>                  notify_details[event.xfocus.detail]);
>          break;
>        case GenericEvent:
>          XGetEventData (display, &event.xcookie);
>          ev = (XIEnterEvent *) event.xcookie.data;
>          switch (ev->evtype)
>          {
>            case XI_FocusIn:
>              XSetInputFocus (display, focus, RevertToParent, CurrentTime);
>            case XI_FocusOut:
>              printf ("XI2 %s %s %7s %s\n",
>                  ev->evtype == XI_FocusIn ? "IN " : "OUT",
>                  ev->event == toplevel ? " top "
>                    : ev->event == mid ? " mid "
>                    : ev->event == focus ? "focus" : " ??? ",
>                  notify_modes[ev->mode],
>                  notify_details[ev->detail]);
>              break;
>            default:
>              break;
>          }
>          XFreeEventData (display, &event.xcookie);
>          break;
>        default:
>          break;
>      }
>    }
>
>  return 0;
>}
>

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Attachments on bug 44079: 54721 | 54722 | 55148 | 55149

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