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/* xkb_layout
* Description:
* This program will connect to the X Server and print the id of the currently
* active keyboard layout.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <X11/XKBlib.h>
#ifdef DEBUG
#define DO_DEBUG DEBUG
#else
#define DO_DEBUG 0
#endif
#define DEBUG_PRINTF(...) do{ if (DO_DEBUG) { printf(__VA_ARGS__);} } while(0)
int main() {
// Get X display
char *displayName = "";
int eventCode;
int errorReturn;
int major = XkbMajorVersion;
int minor = XkbMinorVersion;;
int reasonReturn;
Display *_display = XkbOpenDisplay(displayName, &eventCode, &errorReturn,
&major, &minor, &reasonReturn);
bool error = false;
switch (reasonReturn) {
case XkbOD_BadLibraryVersion:
DEBUG_PRINTF("Bad XKB library version.\n");
error = true;
break;
case XkbOD_ConnectionRefused:
DEBUG_PRINTF("Connection to X server refused.\n");
error = true;
break;
case XkbOD_BadServerVersion:
DEBUG_PRINTF("Bad X11 server version.\n");
error = true;
break;
case XkbOD_NonXkbServer:
DEBUG_PRINTF("XKB not present.\n");
error = true;
break;
case XkbOD_Success:
break;
}
if (error) {
return EXIT_FAILURE;
}
// Get current state of keyboard.
int _deviceId = XkbUseCoreKbd;
XkbStateRec xkbState;
XkbGetState(_display, _deviceId, &xkbState);
// print the groupnumber, may be used with setxkbmap -query to get name
// of current layout
printf("%d\n", xkbState.group);
return 0;
return EXIT_SUCCESS;
}
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