static int menu_operation(WINDOW *win, nhmenu *menu, menu_op
operation, int page_num)
{
int first_page, last_page, current_page;
nhmenu_item *menu_item_ptr = menu->entries;
if (page_num == 0) { /* Operation to occur on all pages */
first_page = 1;
last_page = menu->num_pages;
} else {
first_page = page_num;
last_page = page_num;
}
/* Cycle through entries until we are on the correct page */
while (menu_item_ptr != NULL) {
if (menu_item_ptr->page_num == first_page) {
break;
}
menu_item_ptr = menu_item_ptr->next_item;
}
current_page = first_page;
if (page_num == 0) {
menu_display_page(menu, win, current_page);
}
if (menu_item_ptr == NULL) { /* Page not found */
panic("menu_display_page: attempt to display nonexistant page");
}
while (menu_item_ptr != NULL) {
if (menu_item_ptr->page_num != current_page) {
if (menu_item_ptr->page_num > last_page) {
break;
}
current_page = menu_item_ptr->page_num;
menu_display_page(menu, win, current_page);
}
if (menu_item_ptr->identifier.a_void != NULL) {
menu_select_deselect(win, menu_item_ptr, operation);
}
menu_item_ptr = menu_item_ptr->next_item;
}
return current_page;
}
static int menu_get_selections(WINDOW *win, nhmenu *menu, int how)
{
int curletter;
int count = -1;
int count_letter = '\0';
int curpage = 1;
int num_selected = 0;
boolean dismiss = FALSE;
char search_key[BUFSZ];
nhmenu_item *menu_item_ptr = menu->entries;
menu_display_page(menu, win, 1);
while (!dismiss)
{
curletter = getch();
if (curletter == '\033')
{
curletter = curses_convert_keys(curletter);
}
if (isdigit(curletter) && (how != PICK_NONE))
{
count = curses_get_count(curletter - '0');
touchwin(win);
refresh();
curletter = getch();
if (count > 0)
{
count_letter = curletter;
}
}
if ((how == PICK_NONE) && (menu->num_pages == 1))
{
if (how==PICK_NONE)
{
if (curletter == KEY_ESC)
{
num_selected = -1;
}
else
{
num_selected = 0;
}
dismiss = TRUE;
break;
}
}
switch (curletter)
{
case KEY_ESC:
{
num_selected = -1;
dismiss = TRUE;
break;
}
case '\n':
case '\r':
{
dismiss = TRUE;
break;
}
case KEY_RIGHT:
case KEY_NPAGE:
case MENU_NEXT_PAGE:
case ' ':
{
if (curpage < menu->num_pages)
{
curpage++;
menu_display_page(menu, win, curpage);
}
else if (curletter == ' ')
{
dismiss = TRUE;
break;
}
break;
}
case KEY_LEFT:
case KEY_PPAGE:
case MENU_PREVIOUS_PAGE:
{
if (curpage > 1)
{
curpage--;
menu_display_page(menu, win, curpage);
}
break;
}
case KEY_END:
case MENU_LAST_PAGE:
{
if (curpage != menu->num_pages)
{
curpage = menu->num_pages;
menu_display_page(menu, win, curpage);
}
break;
}
case KEY_HOME:
case MENU_FIRST_PAGE:
{
if (curpage != 1)
{
curpage = 1;
menu_display_page(menu, win, curpage);
}
break;
}
case MENU_SEARCH:
{
curses_line_input_dialog("Search for:", search_key,
BUFSZ);
refresh();
touchwin(win);
wrefresh(win);
if (strlen(search_key) == 0)
{
break;
}
menu_item_ptr = menu->entries;
while (menu_item_ptr != NULL)
{
if ((menu_item_ptr->identifier.a_void != NULL) &&
(strstri(menu_item_ptr->str, search_key)))
{
if (how == PICK_ONE)
{
menu_clear_selections(menu);
menu_select_deselect(win, menu_item_ptr,
SELECT);
num_selected = 1;
dismiss = TRUE;
break;
}
else
{
menu_select_deselect(win, menu_item_ptr,
INVERT);
}
}
menu_item_ptr = menu_item_ptr->next_item;
}
menu_item_ptr = menu->entries;
break;
}
default:
{
if (how==PICK_NONE)
{
num_selected = 0;
dismiss = TRUE;
break;
}
}
}
if (how == PICK_ANY)
{
switch (curletter)
{
case MENU_SELECT_PAGE:
{
(void) menu_operation(win, menu, SELECT, curpage);
break;
}
case MENU_SELECT_ALL:
{
curpage = menu_operation(win, menu, SELECT, 0);
break;
}
case MENU_UNSELECT_PAGE:
{
(void) menu_operation(win, menu, DESELECT, curpage);
break;
}
case MENU_UNSELECT_ALL:
{
curpage = menu_operation(win, menu, DESELECT, 0);
break;
}
case MENU_INVERT_PAGE:
{
(void) menu_operation(win, menu, INVERT, curpage);
break;
}
case MENU_INVERT_ALL:
{
curpage = menu_operation(win, menu, INVERT, 0);
break;
}
}
}
menu_item_ptr = menu->entries;
while (menu_item_ptr != NULL)
{
if (menu_item_ptr->identifier.a_void != NULL)
{
if (((curletter == menu_item_ptr->accelerator) &&
((curpage == menu_item_ptr->page_num) ||
(!menu->reuse_accels))) || ((menu_item_ptr->group_accel)
&& (curletter == menu_item_ptr->group_accel)))
{
if (curpage != menu_item_ptr->page_num)
{
curpage = menu_item_ptr->page_num;
menu_display_page(menu, win, curpage);
}
if (how == PICK_ONE)
{
menu_clear_selections(menu);
menu_select_deselect(win, menu_item_ptr, SELECT);
num_selected = 1;
dismiss = TRUE;
break;
}
else
{
menu_select_deselect(win, menu_item_ptr, INVERT);
}
}
}
menu_item_ptr = menu_item_ptr->next_item;
}
}
if ((how == PICK_ANY) && (num_selected != -1))
{
num_selected = 0;
menu_item_ptr = menu->entries;
while (menu_item_ptr != NULL)
{
if (menu_item_ptr->identifier.a_void != NULL)
{
if (menu_item_ptr->selected)
{
num_selected++;
if (menu_item_ptr->accelerator == count_letter)
{
menu_item_ptr->count = count;
count = 0;
count_letter = '\0';
}
}
}
menu_item_ptr = menu_item_ptr->next_item;
}
}
return num_selected;
}