static newtComponent
nmt_newt_listbox_build_component (NmtNewtComponent *component,
gboolean sensitive)
{
NmtNewtListboxPrivate *priv = NMT_NEWT_LISTBOX_GET_PRIVATE (component);
newtComponent co;
int i, active;
if (priv->active == -1)
update_active_internal (NMT_NEWT_LISTBOX (component), 0);
active = priv->active;
co = newtListbox (-1, -1, priv->height, convert_flags (priv->flags));
newtComponentAddCallback (co, selection_changed_callback, component);
for (i = 0; i < priv->entries->len; i++) {
newtListboxAppendEntry (co, priv->entries->pdata[i], GUINT_TO_POINTER (i));
if (active == -1 && priv->keys->pdata[i] == priv->active_key)
active = i;
}
if (active != -1)
newtListboxSetCurrent (co, active);
return co;
}
void newtListboxSetCurrentByKey(newtComponent co, void * key) {
struct listbox * li = co->data;
struct items * item;
int i;
item = li->boxItems, i = 0;
while (item && item->data != key)
item = item->next, i++;
if (item)
newtListboxSetCurrent(co, i);
}
static void
selection_changed_callback (newtComponent co,
void *user_data)
{
NmtNewtListbox *listbox = user_data;
NmtNewtListboxPrivate *priv = NMT_NEWT_LISTBOX_GET_PRIVATE (listbox);
int new_active;
new_active = GPOINTER_TO_UINT (newtListboxGetCurrent (co));
update_active_internal (listbox, new_active);
if (priv->active != new_active)
newtListboxSetCurrent (co, priv->active);
}
// selects the current string in the listbox
static void set_lb_cursor(newtComponent lb, char *key)
{
int cnt, i;
fde *sela;
cnt=newtListboxItemCount(lb);
for(i=0; i < cnt; i++)
{
newtListboxGetEntry(lb, i, NULL, (void**)&sela);
if(strcmp(sela->name,key) == 0)
{
newtListboxSetCurrent(lb , i);
break;
}
}
}
static struct eventResult listboxEvent(newtComponent co, struct event ev) {
struct eventResult er;
struct listbox * li = co->data;
struct items *item;
int i;
er.result = ER_IGNORED;
if(ev.when == EV_EARLY || ev.when == EV_LATE) {
return er;
}
switch(ev.event) {
case EV_KEYPRESS:
if (!li->isActive) break;
switch(ev.u.key) {
case ' ':
if(!(li->flags & NEWT_FLAG_MULTIPLE)) break;
newtListboxSelectItem(co, newtListboxGetCurrent(co),
NEWT_FLAGS_TOGGLE);
er.result = ER_SWALLOWED;
/* We don't break here, because it is cool to be able to
hold space to select a bunch of items in a list at once */
case NEWT_KEY_DOWN:
if(li->numItems <= 0) break;
if(li->currItem < li->numItems - 1) {
li->currItem++;
if(li->currItem > (li->startShowItem + li->curHeight - 1)) {
li->startShowItem = li->currItem - li->curHeight + 1;
if(li->startShowItem + li->curHeight > li->numItems)
li->startShowItem = li->numItems - li->curHeight;
}
if(li->sb)
newtScrollbarSet(li->sb, li->currItem + 1, li->numItems);
listboxDraw(co);
}
if(co->callback) co->callback(co, co->callbackData);
er.result = ER_SWALLOWED;
break;
case NEWT_KEY_ENTER:
if(li->numItems <= 0) break;
if(li->flags & NEWT_FLAG_RETURNEXIT)
er.result = ER_EXITFORM;
break;
case NEWT_KEY_UP:
if(li->numItems <= 0) break;
if(li->currItem > 0) {
li->currItem--;
if(li->currItem < li->startShowItem)
li->startShowItem = li->currItem;
if(li->sb)
newtScrollbarSet(li->sb, li->currItem + 1, li->numItems);
listboxDraw(co);
}
if(co->callback) co->callback(co, co->callbackData);
er.result = ER_SWALLOWED;
break;
case NEWT_KEY_PGUP:
if(li->numItems <= 0) break;
li->startShowItem -= li->curHeight - 1;
if(li->startShowItem < 0)
li->startShowItem = 0;
li->currItem -= li->curHeight - 1;
if(li->currItem < 0)
li->currItem = 0;
newtListboxRealSetCurrent(co);
er.result = ER_SWALLOWED;
break;
case NEWT_KEY_PGDN:
if(li->numItems <= 0) break;
li->startShowItem += li->curHeight;
if(li->startShowItem > (li->numItems - li->curHeight)) {
li->startShowItem = li->numItems - li->curHeight;
}
li->currItem += li->curHeight;
if(li->currItem >= li->numItems) {
li->currItem = li->numItems - 1;
}
newtListboxRealSetCurrent(co);
er.result = ER_SWALLOWED;
break;
case NEWT_KEY_HOME:
if(li->numItems <= 0) break;
newtListboxSetCurrent(co, 0);
er.result = ER_SWALLOWED;
break;
case NEWT_KEY_END:
if(li->numItems <= 0) break;
li->startShowItem = li->numItems - li->curHeight;
if(li->startShowItem < 0)
li->startShowItem = 0;
li->currItem = li->numItems - 1;
newtListboxRealSetCurrent(co);
er.result = ER_SWALLOWED;
break;
default:
if (li->numItems <= 0) break;
if (ev.u.key < NEWT_KEY_EXTRA_BASE && isalpha(ev.u.key)) {
for(i = 0, item = li->boxItems; item != NULL &&
i < li->currItem; i++, item = item->next);
if (item && item->text && (toupper(*item->text) == toupper(ev.u.key))) {
item = item->next;
i++;
} else {
item = li->boxItems;
i = 0;
}
while (item && item->text &&
toupper(*item->text) != toupper(ev.u.key)) {
item = item->next;
i++;
}
if (item) {
li->currItem = i;
if(li->currItem < li->startShowItem ||
li->currItem > li->startShowItem)
li->startShowItem =
li->currItem > li->numItems - li->curHeight ?
li->startShowItem = li->numItems - li->curHeight :
li->currItem;
if(li->sb)
newtScrollbarSet(li->sb, li->currItem + 1, li->numItems);
newtListboxRealSetCurrent(co);
er.result = ER_SWALLOWED;
}
}
}
break;
case EV_FOCUS:
li->isActive = 1;
listboxDraw(co);
if(li->flags & NEWT_FLAG_SHOWCURSOR)
newtCursorOn();
er.result = ER_SWALLOWED;
break;
case EV_UNFOCUS:
li->isActive = 0;
listboxDraw(co);
if(li->flags & NEWT_FLAG_SHOWCURSOR)
newtCursorOff();
er.result = ER_SWALLOWED;
break;
case EV_MOUSE:
/* if this mouse click was within the listbox, make the current
item the item clicked on. */
/* Up scroll arrow */
if (li->sb &&
ev.u.mouse.x == co->left + co->width - li->bdxAdjust - 1 &&
ev.u.mouse.y == co->top + li->bdyAdjust) {
if(li->numItems <= 0) break;
if(li->currItem > 0) {
li->currItem--;
if(li->currItem < li->startShowItem)
li->startShowItem = li->currItem;
if(li->sb)
newtScrollbarSet(li->sb, li->currItem + 1, li->numItems);
listboxDraw(co);
}
if(co->callback) co->callback(co, co->callbackData);
er.result = ER_SWALLOWED;
break;
}
/* Down scroll arrow */
if (li->sb &&
ev.u.mouse.x == co->left + co->width - li->bdxAdjust - 1 &&
ev.u.mouse.y == co->top + co->height - li->bdyAdjust - 1) {
if(li->numItems <= 0) break;
if(li->currItem < li->numItems - 1) {
li->currItem++;
if(li->currItem > (li->startShowItem + li->curHeight - 1)) {
li->startShowItem = li->currItem - li->curHeight + 1;
if(li->startShowItem + li->curHeight > li->numItems)
li->startShowItem = li->numItems - li->curHeight;
}
if(li->sb)
newtScrollbarSet(li->sb, li->currItem + 1, li->numItems);
listboxDraw(co);
}
if(co->callback) co->callback(co, co->callbackData);
er.result = ER_SWALLOWED;
break;
}
if ((ev.u.mouse.y >= co->top + li->bdyAdjust) &&
(ev.u.mouse.y <= co->top + co->height - (li->bdyAdjust * 2)) &&
(ev.u.mouse.x >= co->left + li->bdxAdjust) &&
(ev.u.mouse.x <= co->left + co->width + (li->bdxAdjust * 2))) {
li->currItem = li->startShowItem +
(ev.u.mouse.y - li->bdyAdjust - co->top);
newtListboxRealSetCurrent(co);
listboxDraw(co);
if(co->callback) co->callback(co, co->callbackData);
er.result = ER_SWALLOWED;
break;
}
}
return er;
}
