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#include <X11/Xlib.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, const char **argv) {
Display *d;
XEvent e;
const char *message = "do you see the fun in gcc?";
d = XOpenDisplay(NULL);
if (d == NULL) {
fprintf(stderr, "error opening display\n");
exit(1);
}
int s = DefaultScreen(d);
Window w = XCreateSimpleWindow(d, RootWindow(d, s), 10, 10, 100, 100, 1, BlackPixel(d, s), WhitePixel(d, s));
XSelectInput(d, w, ExposureMask | KeyPressMask);
XMapWindow(d, w);
while (1) {
XNextEvent(d, &e);
if (e.type == Expose) {
XDrawString(d, w, DefaultGC(d, s), 10, 50, message, strlen(message));
}
}
XCloseDisplay(d);
return 0;
}
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