Correction de keysym.c
/* teste les keysyms */
/* affiche la frappe clavier et bouge selon les touches fleches */
#include <stdio.h>
#include <X11/Xlib.h>
#include <X11/keysym.h>
GC gc;
Display *display;
int screen;
Window win, root;
unsigned long white_pixel, black_pixel;
int nbre, x=50, y=50;
char chaine[20];
KeySym touche;
main() {
if ((display = XOpenDisplay ("")) == NULL) {
fprintf (stderr, "Can't open Display\n");
exit (1);
}
gc = DefaultGC (display, screen);
screen = DefaultScreen (display);
root = RootWindow (display, screen);
white_pixel = WhitePixel (display, screen);
black_pixel = BlackPixel (display, screen);
win = XCreateSimpleWindow (display, root,
0, 0, 100, 100, 2, black_pixel, white_pixel);
XSelectInput (display, win, ExposureMask | KeyPressMask);
XStoreName (display, win, "keysym");
XMapWindow (display, win);
for (;;) {
XEvent ev;
XNextEvent (display, &ev);
switch (ev.type) {
case Expose :
x = 50 ; y = 50 ;
break;
case KeyPress :
nbre = XLookupString(&ev, chaine, 20, &touche, 0);
chaine[nbre] = 0;
if (nbre == 1)
XDrawString(display, win, gc, x, y, chaine, nbre);
else if (nbre == 0)
switch (touche) {
case XK_Up : y -= 10; break;
case XK_Down : y += 10; break;
case XK_Left : x -= 10; break;
case XK_Right : x += 10; break;
}
break;
default :
break;
}
}
}