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XKB keyboard layout switch tester

xkb_layout_switch.c (text/x-csrc), 3.34 KB, created by Bencsik Roland on 2017-09-11 09:59:01 UTC

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Description:

Filename:

MIME Type:

Creator: Bencsik Roland

Created: 2017-09-11 09:59:01 UTC

Size: 3.34 KB

patch

obsolete

>#include "X11/Xlib.h"
>#include "X11/Xutil.h"
>#include "X11/Xresource.h"
>#include "X11/XKBlib.h"
>#include "stdio.h"
>#include "stdlib.h"
>#include "string.h"
>
>#define dprintf(...) printf("%s:%04d:", __FUNCTION__, __LINE__); printf(__VA_ARGS__)
>
>int main(int argc, char ** argv) {
>  int screen_num, width, height;
>  unsigned long background, border;
>  Window win;
>  XEvent * ev;
>  XkbEvent xkbev;
>  Display * dpy;
>  int iXkbLibMajorVersion;
>  int iXkbLibMinorVersion;
>  int iXkbBaseEventId;
>  int iRet;
>
>  dpy = XOpenDisplay(NULL);
>
>  if (!dpy) {
>    dprintf("error: XOpenDisplay\n");
>    return -1;
>  }
>
>  iXkbLibMajorVersion = XkbMajorVersion;
>  iXkbLibMinorVersion = XkbMinorVersion;
>
>  if (! XkbQueryExtension(dpy, NULL, &iXkbBaseEventId, NULL, &iXkbLibMajorVersion, &iXkbLibMinorVersion)) {
>    dprintf("error: XkbQueryExtension\n");
>    return -1;
>  }
>
>  dprintf("XKB version=%d.%d:base event id=%d\n", iXkbLibMajorVersion, iXkbLibMinorVersion, iXkbBaseEventId);
>
>  if (
>    ! XkbSelectEvents(
>      dpy,
>      XkbUseCoreKbd,
>      XkbNewKeyboardNotifyMask | XkbStateNotifyMask | XkbMapNotify,
>      XkbNewKeyboardNotifyMask | XkbStateNotifyMask | XkbMapNotify
>    )
>  ) {
>    dprintf("error: XkbSelectEvents\n");
>    return -1;
>  }
>
>  if (! XkbSelectEventDetails(dpy, XkbUseCoreKbd, XkbStateNotify, XkbGroupLockMask, XkbGroupLockMask))  {
>    dprintf("error: XkbSelectEventDetails\n");
>    return -1;
>  }
>
>  screen_num = DefaultScreen(dpy);
>  background = BlackPixel(dpy, screen_num);
>  border = WhitePixel(dpy, screen_num);
>
>  width = 80;
>  height = 80;
>
>  win = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0,0, width, height, 2, border, background);
>
>  XSelectInput(dpy, win, StructureNotifyMask | KeyPressMask | KeyReleaseMask | KeymapStateMask);
>
>  XMapWindow(dpy, win);
>
>  ev = &(xkbev.core);
>
>  while (1) {
>    XNextEvent(dpy, ev);
>    switch(ev->type) {
>      case KeymapNotify: { dprintf("KeymapNotify\n"); break; }
>      case MappingNotify: { dprintf("MappingNotify\n"); break; }
>      case ConfigureNotify: { dprintf("ConfigureNotify\n"); break; }
>      case KeyPress: { break; }
>      case KeyRelease: {
>        char ucs2_bytes[25];
>        KeySym keysym;
>
>        if (ev->xkey.keycode == 9) { // Escape key
>          XCloseDisplay(dpy);
>          return 0;
>        }
>          
>        XLookupString(&(ev->xkey), ucs2_bytes, sizeof(ucs2_bytes), &keysym, NULL);
>        dprintf("KeyRelease:keycode=0x%04x:UCS-2 keysym=0x%04x('%s')\n", ev->xkey.keycode, keysym, ucs2_bytes);
>        break;
>      }
>      default: {
>        if (ev->type == iXkbBaseEventId) {
>          dprintf("Xkb event\n");
>          switch (xkbev.any.xkb_type) {
>            case XkbNewKeyboardNotify: {
>              dprintf("XkbNewKeyboardNotify:xkbev.new_kbd.changed=0x%08x\n", xkbev.new_kbd.changed);
>              dprintf("*** keyboard layout changed\n");
>              break;
>            }
>            case XkbStateNotify: {
>              dprintf("XkbStateNotify:xkbev.state.changed=0x%08x\n", xkbev.state.changed);
>              if ((xkbev.state.changed & XkbGroupLockMask) != 0) {
>                dprintf("*** keyboard layout changed\n");
>              }
>              break;
>            }
>            default: {
>              dprintf("xkbev.any.xkb_type=%d\n", xkbev.any.xkb_type);
>            }
>          }
>        } else {
>          dprintf("x event type=%d\n", ev->type);
>        }
>        break;
>      }
>    }
>  }
>}

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We are currently migrating Bugzilla to GitHub issues.Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.

We are currently migrating Bugzilla to GitHub issues.
Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.
When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.