return 0;
}
+/* append buf into text */
+static int
+append(char *text, char *buf, size_t textsize, size_t buflen)
+{
+ size_t textlen;
+
+ textlen = strlen(text);
+ if (iscntrl(*buf))
+ return 0;
+ if (textlen + buflen > textsize - 1)
+ return 0;
+ if (buflen < 1)
+ return 0;
+ memcpy(text + textlen, buf, buflen);
+ text[textlen + buflen] = '\0';
+ return 1;
+}
+
+/* get item in menu matching text from given direction (or from beginning, if dir = 0) */
+static struct Item *
+matchitem(struct Menu *menu, char *text, int dir)
+{
+ struct Item *item, *lastitem;
+ char *s;
+ size_t textlen;
+
+ for (lastitem = menu->list; lastitem && lastitem->next; lastitem = lastitem->next)
+ ;
+ textlen = strlen(text);
+ if (dir < 0) {
+ if (menu->selected && menu->selected->prev)
+ item = menu->selected->prev;
+ else
+ item = lastitem;
+ } else if (dir > 0) {
+ if (menu->selected && menu->selected->next)
+ item = menu->selected->next;
+ else
+ item = menu->list;
+ } else {
+ item = menu->list;
+ }
+ /* find next item from selected item */
+ for ( ; item; item = (dir < 0) ? item->prev : item->next)
+ for (s = item->label; s && *s; s++)
+ if (strncasecmp(s, text, textlen) == 0)
+ return item;
+ /* if not found, try to find from the beginning/end of list */
+ if (dir > 0) {
+ for (item = menu->list ; item; item = item->next) {
+ for (s = item->label; s && *s; s++) {
+ if (strncasecmp(s, text, textlen) == 0) {
+ return item;
+ }
+ }
+ }
+ } else {
+ for (item = lastitem ; item; item = item->prev) {
+ for (s = item->label; s && *s; s++) {
+ if (strncasecmp(s, text, textlen) == 0) {
+ return item;
+ }
+ }
+ }
+ }
+ return NULL;
+}
+
/* run event loop */
static void
run(struct Menu *currmenu)
{
+ char text[BUFSIZ];
+ char buf[32];
struct Menu *menu;
struct Item *item;
struct Item *previtem = NULL;
- struct Item *lastitem;
+ struct Item *lastitem, *select;
KeySym ksym;
+ Status status;
XEvent ev;
+ int action;
+ int len;
+ text[0] = '\0';
mapmenu(currmenu);
while (!XNextEvent(dpy, &ev)) {
+ if (XFilterEvent(&ev, None))
+ continue;
+ action = ACTION_NOP;
switch(ev.type) {
case Expose:
if (ev.xexpose.count == 0)
- drawmenus(currmenu);
+ action = ACTION_DRAW;
break;
case MotionNotify:
menu = getmenu(currmenu, ev.xbutton.window);
if (menu == NULL || item == NULL || previtem == item)
break;
previtem = item;
- menu->selected = item;
+ select = menu->selected = item;
if (item->submenu != NULL) {
currmenu = item->submenu;
- currmenu->selected = NULL;
+ select = NULL;
} else {
currmenu = menu;
}
- mapmenu(currmenu);
- drawmenus(currmenu);
+ action = ACTION_CLEAR | ACTION_SELECT | ACTION_MAP | ACTION_DRAW;
break;
case ButtonRelease:
if (!isclickbutton(ev.xbutton.button))
item = getitem(menu, ev.xbutton.y);
if (menu == NULL || item == NULL)
break;
-selectitem:
+enteritem:
if (item->label == NULL)
break; /* ignore separators */
if (item->submenu != NULL) {
printf("%s\n", item->output);
return;
}
- mapmenu(currmenu);
- currmenu->selected = currmenu->list;
- drawmenus(currmenu);
+ select = currmenu->list;
+ action = ACTION_CLEAR | ACTION_SELECT | ACTION_MAP | ACTION_DRAW;
break;
case ButtonPress:
menu = getmenu(currmenu, ev.xbutton.window);
return;
break;
case KeyPress:
- ksym = XkbKeycodeToKeysym(dpy, ev.xkey.keycode, 0, 0);
+ len = XmbLookupString(currmenu->xic, &ev.xkey, buf, sizeof buf, &ksym, &status);
+ switch(status) {
+ default: /* XLookupNone, XBufferOverflow */
+ continue;
+ case XLookupChars:
+ goto append;
+ case XLookupKeySym: /* FALLTHROUGH */
+ case XLookupBoth:
+ break;
+ }
/* esc closes xmenu when current menu is the root menu */
if (ksym == XK_Escape && currmenu->parent == NULL)
item = NULL;
if (ksym == XK_Home || ksym == KSYMFIRST) {
item = itemcycle(currmenu, ITEMFIRST);
+ action = ACTION_CLEAR;
} else if (ksym == XK_End || ksym == KSYMLAST) {
item = itemcycle(currmenu, ITEMLAST);
+ action = ACTION_CLEAR;
} else if (ksym == XK_ISO_Left_Tab || ksym == XK_Up || ksym == KSYMUP) {
- item = itemcycle(currmenu, ITEMPREV);
+ if (*text) {
+ item = matchitem(currmenu, text, -1);
+ } else {
+ item = itemcycle(currmenu, ITEMPREV);
+ action = ACTION_CLEAR;
+ }
} else if (ksym == XK_Tab || ksym == XK_Down || ksym == KSYMDOWN) {
- item = itemcycle(currmenu, ITEMNEXT);
+ if (*text) {
+ item = matchitem(currmenu, text, 1);
+ } else {
+ item = itemcycle(currmenu, ITEMNEXT);
+ action = ACTION_CLEAR;
+ }
} else if (ksym >= XK_1 && ksym <= XK_9){
item = itemcycle(currmenu, ITEMFIRST);
lastitem = itemcycle(currmenu, ITEMLAST);
currmenu->selected = item;
item = itemcycle(currmenu, ITEMNEXT);
}
+ action = ACTION_CLEAR;
} else if ((ksym == XK_Return || ksym == XK_Right || ksym == KSYMRIGHT) &&
currmenu->selected != NULL) {
item = currmenu->selected;
- goto selectitem;
+ goto enteritem;
} else if ((ksym == XK_Escape || ksym == XK_Left || ksym == KSYMLEFT) &&
currmenu->parent != NULL) {
item = currmenu->parent->selected;
currmenu = currmenu->parent;
- mapmenu(currmenu);
- } else
+ action = ACTION_CLEAR | ACTION_MAP;
+ } else if (ksym == XK_BackSpace || ksym == XK_Clear || ksym == XK_Delete) {
+ action = ACTION_CLEAR;
break;
- currmenu->selected = item;
- drawmenus(currmenu);
+ } else {
+append:
+ if (append(text, buf, sizeof text, len)) {
+ if (!(item = matchitem(currmenu, text, 0))) {
+ item = NULL;
+ }
+ } else if (len == 0) {
+ break; /* we may have pressed a dead key */
+ }
+ }
+ select = item;
+ action |= ACTION_SELECT | ACTION_DRAW;
break;
case LeaveNotify:
previtem = NULL;
- currmenu->selected = NULL;
- drawmenus(currmenu);
+ select = NULL;
+ action = ACTION_CLEAR | ACTION_SELECT | ACTION_DRAW;
break;
case ConfigureNotify:
menu = getmenu(currmenu, ev.xconfigure.window);
if (menu->parent == NULL)
return; /* closing the root menu closes the program */
currmenu = menu->parent;
- mapmenu(currmenu);
+ action = ACTION_MAP;
break;
}
+ if (action & ACTION_CLEAR)
+ text[0] = '\0';
+ if (action & ACTION_SELECT)
+ currmenu->selected = select;
+ if (action & ACTION_MAP)
+ mapmenu(currmenu);
+ if (action & ACTION_DRAW)
+ drawmenus(currmenu);
}
}