Function map_input

win/X11/winmap.c:1156–1250

* Keyboard and button event handler for map window. */

 * Keyboard and button event handler for map window.
 */
void
map_input(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
    XKeyEvent *key;
    XButtonEvent *button;
    boolean meta = FALSE;
    int i, nbytes;
    Cardinal in_nparams = (num_params ? *num_params : 0);
    char c;
    char keystring[MAX_KEY_STRING];

    switch (event->type) {
    case ButtonPress:
        if (!iflags.wc_mouse_support)
            return;

        button = (XButtonEvent *) event;
#ifdef VERBOSE_INPUT
        printf("button press\n");
#endif
        if (in_nparams > 0 && (nbytes = strlen(params[0])) < MAX_KEY_STRING) {
            Strcpy(keystring, params[0]);
            key = (XKeyEvent *) event; /* just in case */
            goto key_events;
        }
        if (w != window_list[WIN_MAP].w) {
#ifdef VERBOSE_INPUT
            printf("map_input called from wrong window\n");
#endif
            X11_nhbell();
            return;
        }
        set_button_values(w, button->x, button->y, button->button);
        break;
    case KeyPress:
#ifdef VERBOSE_INPUT
        printf("key: ");
#endif
        if (appResources.slow && input_func) {
            (*input_func)(w, event, params, num_params);
            break;
        }

        /*
         * Don't use key_event_to_char() because we want to be able
         * to allow keys mapped to multiple characters.
         */
        key = (XKeyEvent *) event;
        if (in_nparams > 0 && (nbytes = strlen(params[0])) < MAX_KEY_STRING) {
            Strcpy(keystring, params[0]);
        } else {
            /*
             * Assume that mod1 is really the meta key.
             */
            meta = !!(key->state & Mod1Mask);
            nbytes = XLookupString(key, keystring, MAX_KEY_STRING,
                                   (KeySym *) 0, (XComposeStatus *) 0);
        }