void print_menu(uint8_t menu)
{
lcd_clrscr();
print_arrows(0);
lcd_gotoxy(1, 0);
lcd_puts_p(menuStrings[menu - 1]);
switch (menu)
{
case SET_TIME:
print_time(t);
break;
case SET_ALARM1:
print_time(alarmTime);
break;
//case SET_ALARM2:
// print_time(alarmTime);
// break;
case SET_RETURN:
break;
}
}
/*
* Display a menu for choosing among a number of options
*/
int dialog_menu(const char *title, const char *prompt,
const void *selected, int *s_scroll)
{
int i, j, x, y, box_x, box_y;
int height, width, menu_height;
int key = 0, button = 0, scroll = 0, choice = 0;
int first_item = 0, max_choice;
WINDOW *dialog, *menu;
do_resize:
height = getmaxy(stdscr);
width = getmaxx(stdscr);
if (height < 15 || width < 65)
return -ERRDISPLAYTOOSMALL;
height -= 4;
width -= 5;
menu_height = height - 10;
max_choice = MIN(menu_height, item_count());
/* center dialog box on screen */
x = (COLS - width) / 2;
y = (LINES - height) / 2;
draw_shadow(stdscr, y, x, height, width);
dialog = newwin(height, width, y, x);
keypad(dialog, TRUE);
draw_box(dialog, 0, 0, height, width,
dlg.dialog.atr, dlg.border.atr);
wattrset(dialog, dlg.border.atr);
mvwaddch(dialog, height - 3, 0, ACS_LTEE);
for (i = 0; i < width - 2; i++)
waddch(dialog, ACS_HLINE);
wattrset(dialog, dlg.dialog.atr);
wbkgdset(dialog, dlg.dialog.atr & A_COLOR);
waddch(dialog, ACS_RTEE);
print_title(dialog, title, width);
wattrset(dialog, dlg.dialog.atr);
print_autowrap(dialog, prompt, width - 2, 1, 3);
menu_width = width - 6;
box_y = height - menu_height - 5;
box_x = (width - menu_width) / 2 - 1;
/* create new window for the menu */
menu = subwin(dialog, menu_height, menu_width,
y + box_y + 1, x + box_x + 1);
keypad(menu, TRUE);
/* draw a box around the menu items */
draw_box(dialog, box_y, box_x, menu_height + 2, menu_width + 2,
dlg.menubox_border.atr, dlg.menubox.atr);
if (menu_width >= 80)
item_x = (menu_width - 70) / 2;
else
item_x = 4;
/* Set choice to default item */
item_foreach()
if (selected && (selected == item_data()))
choice = item_n();
/* get the saved scroll info */
scroll = *s_scroll;
if ((scroll <= choice) && (scroll + max_choice > choice) &&
(scroll >= 0) && (scroll + max_choice <= item_count())) {
first_item = scroll;
choice = choice - scroll;
} else {
scroll = 0;
}
if ((choice >= max_choice)) {
if (choice >= item_count() - max_choice / 2)
scroll = first_item = item_count() - max_choice;
else
scroll = first_item = choice - max_choice / 2;
choice = choice - scroll;
}
/* Print the menu */
for (i = 0; i < max_choice; i++) {
print_item(first_item + i, i, i == choice);
}
wnoutrefresh(menu);
print_arrows(dialog, item_count(), scroll,
box_y, box_x + item_x + 1, menu_height);
print_buttons(dialog, height, width, 0);
wmove(menu, choice, item_x + 1);
wrefresh(menu);
while (key != KEY_ESC) {
key = wgetch(menu);
if (key < 256 && isalpha(key))
key = tolower(key);
if (strchr("ynmh", key))
i = max_choice;
else {
for (i = choice + 1; i < max_choice; i++) {
item_set(scroll + i);
j = first_alpha(item_str(), "YyNnMmHh");
if (key == tolower(item_str()[j]))
break;
}
if (i == max_choice)
for (i = 0; i < max_choice; i++) {
item_set(scroll + i);
j = first_alpha(item_str(), "YyNnMmHh");
if (key == tolower(item_str()[j]))
break;
}
}
if (i < max_choice ||
key == KEY_UP || key == KEY_DOWN ||
key == '-' || key == '+' ||
key == KEY_PPAGE || key == KEY_NPAGE) {
/* Remove highligt of current item */
print_item(scroll + choice, choice, FALSE);
if (key == KEY_UP || key == '-') {
if (choice < 2 && scroll) {
/* Scroll menu down */
do_scroll(menu, &scroll, -1);
print_item(scroll, 0, FALSE);
} else
choice = MAX(choice - 1, 0);
} else if (key == KEY_DOWN || key == '+') {
print_item(scroll+choice, choice, FALSE);
if ((choice > max_choice - 3) &&
(scroll + max_choice < item_count())) {
/* Scroll menu up */
do_scroll(menu, &scroll, 1);
print_item(scroll+max_choice - 1,
max_choice - 1, FALSE);
} else
choice = MIN(choice + 1, max_choice - 1);
} else if (key == KEY_PPAGE) {
scrollok(menu, TRUE);
for (i = 0; (i < max_choice); i++) {
if (scroll > 0) {
do_scroll(menu, &scroll, -1);
print_item(scroll, 0, FALSE);
} else {
if (choice > 0)
choice--;
}
}
} else if (key == KEY_NPAGE) {
for (i = 0; (i < max_choice); i++) {
if (scroll + max_choice < item_count()) {
do_scroll(menu, &scroll, 1);
print_item(scroll+max_choice-1,
max_choice - 1, FALSE);
} else {
if (choice + 1 < max_choice)
choice++;
}
}
} else
choice = i;
print_item(scroll + choice, choice, TRUE);
print_arrows(dialog, item_count(), scroll,
box_y, box_x + item_x + 1, menu_height);
wnoutrefresh(dialog);
wrefresh(menu);
continue; /* wait for another key press */
}
switch (key) {
case KEY_LEFT:
case TAB:
case KEY_RIGHT:
button = ((key == KEY_LEFT ? --button : ++button) < 0)
? 2 : (button > 2 ? 0 : button);
print_buttons(dialog, height, width, button);
wrefresh(menu);
break;
case ' ':
case 's':
case 'y':
case 'n':
case 'm':
case '/':
/* save scroll info */
*s_scroll = scroll;
delwin(menu);
delwin(dialog);
item_set(scroll + choice);
item_set_selected(1);
switch (key) {
case 's':
return 3;
case 'y':
return 3;
case 'n':
return 4;
case 'm':
return 5;
case ' ':
return 6;
case '/':
return 7;
}
return 0;
case 'h':
case '?':
button = 2;
case '\n':
*s_scroll = scroll;
delwin(menu);
delwin(dialog);
item_set(scroll + choice);
item_set_selected(1);
return button;
case 'e':
case 'x':
key = KEY_ESC;
break;
case KEY_ESC:
key = on_key_esc(menu);
break;
#ifdef NCURSES_VERSION
case KEY_RESIZE:
on_key_resize();
delwin(menu);
delwin(dialog);
goto do_resize;
#endif
}
}
delwin(menu);
delwin(dialog);
return key; /* ESC pressed */
}
int dialog_checklist(const char *title, const char *prompt, int height,
int width, int list_height)
{
int i, x, y, box_x, box_y;
int key = 0, button = 0, choice = 0, scroll = 0, max_choice;
WINDOW *dialog, *list;
/* */
item_foreach() {
if (item_is_tag('X'))
choice = item_n();
if (item_is_selected()) {
choice = item_n();
break;
}
}
do_resize:
if (getmaxy(stdscr) < (height + 6))
return -ERRDISPLAYTOOSMALL;
if (getmaxx(stdscr) < (width + 6))
return -ERRDISPLAYTOOSMALL;
max_choice = MIN(list_height, item_count());
/* */
x = (COLS - width) / 2;
y = (LINES - height) / 2;
draw_shadow(stdscr, y, x, height, width);
dialog = newwin(height, width, y, x);
keypad(dialog, TRUE);
draw_box(dialog, 0, 0, height, width,
dlg.dialog.atr, dlg.border.atr);
wattrset(dialog, dlg.border.atr);
mvwaddch(dialog, height - 3, 0, ACS_LTEE);
for (i = 0; i < width - 2; i++)
waddch(dialog, ACS_HLINE);
wattrset(dialog, dlg.dialog.atr);
waddch(dialog, ACS_RTEE);
print_title(dialog, title, width);
wattrset(dialog, dlg.dialog.atr);
print_autowrap(dialog, prompt, width - 2, 1, 3);
list_width = width - 6;
box_y = height - list_height - 5;
box_x = (width - list_width) / 2 - 1;
/* */
list = subwin(dialog, list_height, list_width, y + box_y + 1,
x + box_x + 1);
keypad(list, TRUE);
/* */
draw_box(dialog, box_y, box_x, list_height + 2, list_width + 2,
dlg.menubox_border.atr, dlg.menubox.atr);
/* */
check_x = 0;
item_foreach()
check_x = MAX(check_x, strlen(item_str()) + 4);
check_x = MIN(check_x, list_width);
check_x = (list_width - check_x) / 2;
item_x = check_x + 4;
if (choice >= list_height) {
scroll = choice - list_height + 1;
choice -= scroll;
}
/* */
for (i = 0; i < max_choice; i++) {
item_set(scroll + i);
print_item(list, i, i == choice);
}
print_arrows(dialog, choice, item_count(), scroll,
box_y, box_x + check_x + 5, list_height);
print_buttons(dialog, height, width, 0);
wnoutrefresh(dialog);
wnoutrefresh(list);
doupdate();
while (key != KEY_ESC) {
key = wgetch(dialog);
for (i = 0; i < max_choice; i++) {
item_set(i + scroll);
if (toupper(key) == toupper(item_str()[0]))
break;
}
if (i < max_choice || key == KEY_UP || key == KEY_DOWN ||
key == '+' || key == '-') {
if (key == KEY_UP || key == '-') {
if (!choice) {
if (!scroll)
continue;
/* */
if (list_height > 1) {
/* */
item_set(scroll);
print_item(list, 0, FALSE);
scrollok(list, TRUE);
wscrl(list, -1);
scrollok(list, FALSE);
}
scroll--;
item_set(scroll);
print_item(list, 0, TRUE);
print_arrows(dialog, choice, item_count(),
scroll, box_y, box_x + check_x + 5, list_height);
wnoutrefresh(dialog);
wrefresh(list);
continue; /* */
} else
i = choice - 1;
} else if (key == KEY_DOWN || key == '+') {
if (choice == max_choice - 1) {
if (scroll + choice >= item_count() - 1)
continue;
/* */
if (list_height > 1) {
/* */
item_set(scroll + max_choice - 1);
print_item(list,
max_choice - 1,
FALSE);
scrollok(list, TRUE);
wscrl(list, 1);
scrollok(list, FALSE);
}
scroll++;
item_set(scroll + max_choice - 1);
print_item(list, max_choice - 1, TRUE);
print_arrows(dialog, choice, item_count(),
scroll, box_y, box_x + check_x + 5, list_height);
wnoutrefresh(dialog);
wrefresh(list);
continue; /* */
} else
i = choice + 1;
}
if (i != choice) {
/* */
item_set(scroll + choice);
print_item(list, choice, FALSE);
/* */
choice = i;
item_set(scroll + choice);
print_item(list, choice, TRUE);
wnoutrefresh(dialog);
wrefresh(list);
}
continue; /* */
}
switch (key) {
case 'H':
case 'h':
case '?':
button = 1;
/* */
case 'S':
case 's':
case ' ':
case '\n':
item_foreach()
item_set_selected(0);
item_set(scroll + choice);
item_set_selected(1);
delwin(list);
delwin(dialog);
return button;
case TAB:
case KEY_LEFT:
case KEY_RIGHT:
button = ((key == KEY_LEFT ? --button : ++button) < 0)
? 1 : (button > 1 ? 0 : button);
print_buttons(dialog, height, width, button);
wrefresh(dialog);
break;
case 'X':
case 'x':
key = KEY_ESC;
break;
case KEY_ESC:
key = on_key_esc(dialog);
break;
case KEY_RESIZE:
delwin(list);
delwin(dialog);
on_key_resize();
goto do_resize;
}
/* */
doupdate();
}
delwin(list);
delwin(dialog);
return key; /* */
}
/*
* Display a dialog box with a list of options that can be turned on or off
*/
int
dialog_checklist(unsigned char *title, unsigned char *prompt, int height, int width,
int list_height, int cnt, void *it, unsigned char *result)
{
int i, j, x, y, cur_x, cur_y, old_x, old_y, box_x, box_y, key = 0, button,
choice, l, k, scroll, max_choice, item_no = 0, *status;
int redraw_menu = FALSE, cursor_reset = FALSE;
int rval = 0, onlist = 1, ok_space, cancel_space;
char okButton, cancelButton;
WINDOW *dialog, *list;
unsigned char **items = NULL;
dialogMenuItem *ditems;
int list_width, check_x, item_x;
/* Allocate space for storing item on/off status */
if ((status = alloca(sizeof(int) * abs(cnt))) == NULL) {
endwin();
fprintf(stderr, "\nCan't allocate memory in dialog_checklist().\n");
exit(-1);
}
draw:
choice = scroll = button = 0;
/* Previous calling syntax, e.g. just a list of strings? */
if (cnt >= 0) {
items = it;
ditems = NULL;
item_no = cnt;
/* Initializes status */
for (i = 0; i < item_no; i++)
status[i] = !strcasecmp(items[i*3 + 2], "on");
}
/* It's the new specification format - fake the rest of the code out */
else {
item_no = abs(cnt);
ditems = it;
if (!items)
items = (unsigned char **)alloca((item_no * 3) * sizeof(unsigned char *));
/* Initializes status */
for (i = 0; i < item_no; i++) {
status[i] = ditems[i].checked ? ditems[i].checked(&ditems[i]) : FALSE;
items[i*3] = ditems[i].prompt;
items[i*3 + 1] = ditems[i].title;
items[i*3 + 2] = status[i] ? "on" : "off";
}
}
max_choice = MIN(list_height, item_no);
check_x = 0;
item_x = 0;
/* Find length of longest item in order to center checklist */
for (i = 0; i < item_no; i++) {
l = strlen(items[i*3]);
for (j = 0; j < item_no; j++) {
k = strlen(items[j*3 + 1]);
check_x = MAX(check_x, l + k + 6);
}
item_x = MAX(item_x, l);
}
if (height < 0)
height = strheight(prompt)+list_height+4+2;
if (width < 0) {
i = strwidth(prompt);
j = ((title != NULL) ? strwidth(title) : 0);
width = MAX(i,j);
width = MAX(width,check_x+4)+4;
}
width = MAX(width,24);
if (width > COLS)
width = COLS;
if (height > LINES)
height = LINES;
/* center dialog box on screen */
x = (COLS - width)/2;
y = (LINES - height)/2;
#ifdef HAVE_NCURSES
if (use_shadow)
draw_shadow(stdscr, y, x, height, width);
#endif
dialog = newwin(height, width, y, x);
if (dialog == NULL) {
endwin();
fprintf(stderr, "\nnewwin(%d,%d,%d,%d) failed, maybe wrong dims\n", height,width, y, x);
return -1;
}
keypad(dialog, TRUE);
draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
wattrset(dialog, border_attr);
wmove(dialog, height-3, 0);
waddch(dialog, ACS_LTEE);
for (i = 0; i < width-2; i++)
waddch(dialog, ACS_HLINE);
wattrset(dialog, dialog_attr);
waddch(dialog, ACS_RTEE);
wmove(dialog, height-2, 1);
for (i = 0; i < width-2; i++)
waddch(dialog, ' ');
if (title != NULL) {
wattrset(dialog, title_attr);
wmove(dialog, 0, (width - strlen(title))/2 - 1);
waddch(dialog, ' ');
waddstr(dialog, title);
waddch(dialog, ' ');
}
wattrset(dialog, dialog_attr);
wmove(dialog, 1, 2);
print_autowrap(dialog, prompt, height - 1, width - 2, width, 1, 2, TRUE, FALSE);
list_width = width - 6;
getyx(dialog, cur_y, cur_x);
box_y = cur_y + 1;
box_x = (width - list_width) / 2 - 1;
/* create new window for the list */
list = subwin(dialog, list_height, list_width, y + box_y + 1, x + box_x + 1);
if (list == NULL) {
delwin(dialog);
endwin();
fprintf(stderr, "\nsubwin(dialog,%d,%d,%d,%d) failed, maybe wrong dims\n", list_height, list_width,
y + box_y + 1, x + box_x + 1);
return -1;
}
keypad(list, TRUE);
/* draw a box around the list items */
draw_box(dialog, box_y, box_x, list_height + 2, list_width + 2, menubox_border_attr, menubox_attr);
check_x = (list_width - check_x) / 2;
item_x = check_x + item_x + 6;
/* Print the list */
for (i = 0; i < max_choice; i++)
print_item(list, items[i * 3], items[i * 3 + 1], status[i], i, i == choice, DREF(ditems, i), list_width, item_x, check_x);
wnoutrefresh(list);
print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y);
display_helpline(dialog, height - 1, width);
x = width / 2 - 11;
y = height - 2;
/* Is this a fancy new style argument string where we get to override
* the buttons, or an old style one where they're fixed?
*/
if (ditems && result) {
cancelButton = toupper(ditems[CANCEL_BUTTON].prompt[0]);
print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5, ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : FALSE);
okButton = toupper(ditems[OK_BUTTON].prompt[0]);
print_button(dialog, ditems[OK_BUTTON].prompt, y, x, ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : TRUE);
}
else {
cancelButton = 'C';
print_button(dialog, "Cancel", y, x + 14, FALSE);
okButton = 'O';
print_button(dialog, " OK ", y, x, TRUE);
}
wnoutrefresh(dialog);
wmove(list, choice, check_x+1);
wrefresh(list);
/*
* XXX Black magic voodoo that allows printing to the checklist
* window. For some reason, if this "refresh" code is not in
* place, printing to the window from the selected callback
* prints "behind" the checklist window. There is probably a
* better way to do this.
*/
draw_box(dialog, box_y, box_x, list_height + 2, list_width + 2, menubox_border_attr, menubox_attr);
for (i = 0; i < max_choice; i++)
print_item(list, items[i * 3], items[i * 3 + 1], status[i], i, i == choice, DREF(ditems, i), list_width, item_x, check_x);
print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y);
wmove(list, choice, check_x+1);
wnoutrefresh(dialog);
wrefresh(list);
/* XXX Black magic XXX */
while (key != ESC) {
key = wgetch(dialog);
/* Shortcut to OK? */
if (toupper(key) == okButton) {
if (ditems) {
if (result && ditems[OK_BUTTON].fire) {
int st;
WINDOW *save;
save = dupwin(newscr);
st = ditems[OK_BUTTON].fire(&ditems[OK_BUTTON]);
if (st & DITEM_RESTORE) {
touchwin(save);
wrefresh(save);
}
delwin(save);
}
}
else if (result) {
*result = '\0';
for (i = 0; i < item_no; i++) {
if (status[i]) {
strcat(result, items[i*3]);
strcat(result, "\n");
}
}
}
rval = 0;
key = ESC; /* Lemme out! */
break;
}
/* Shortcut to cancel? */
if (toupper(key) == cancelButton) {
if (ditems && result && ditems[CANCEL_BUTTON].fire) {
int st;
WINDOW *save;
save = dupwin(newscr);
st = ditems[CANCEL_BUTTON].fire(&ditems[CANCEL_BUTTON]);
if (st & DITEM_RESTORE) {
touchwin(save);
wrefresh(save);
wmove(dialog, cur_y, cur_x);
}
delwin(save);
}
rval = 1;
key = ESC; /* I gotta go! */
break;
}
/* Check if key pressed matches first character of any item tag in list */
for (i = 0; i < max_choice; i++)
if (key != ' ' && key < 0x100 && toupper(key) == toupper(items[(scroll+i)*3][0]))
break;
if (i < max_choice || (key >= '1' && key <= MIN('9', '0'+max_choice)) ||
KEY_IS_UP(key) || KEY_IS_DOWN(key) || ((key == ' ' || key == '\n' ||
key == '\r') && onlist)) {
/* if moving from buttons to the list, reset and redraw buttons */
if (!onlist) {
onlist = 1;
button = 0;
if (ditems && result) {
print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5, ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : button);
print_button(dialog, ditems[OK_BUTTON].prompt, y, x, ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : !button);
}
else {
print_button(dialog, "Cancel", y, x + 14, button);
print_button(dialog, " OK ", y, x, !button);
}
wmove(list, choice, check_x+1);
wnoutrefresh(dialog);
wrefresh(list);
}
if (key >= '1' && key <= MIN('9', '0'+max_choice))
i = key - '1';
else if (KEY_IS_UP(key)) {
if (!choice) {
if (scroll) {
/* Scroll list down */
getyx(dialog, cur_y, cur_x); /* Save cursor position */
if (list_height > 1) {
/* De-highlight current first item before scrolling down */
print_item(list, items[scroll * 3], items[scroll * 3 + 1], status[scroll], 0,
FALSE, DREF(ditems, scroll), list_width, item_x, check_x);
scrollok(list, TRUE);
wscrl(list, -1);
scrollok(list, FALSE);
}
scroll--;
print_item(list, items[scroll*3], items[scroll*3 + 1], status[scroll], 0,
TRUE, DREF(ditems, scroll), list_width, item_x, check_x);
print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y);
wmove(list, choice, check_x+1);
wnoutrefresh(dialog);
wrefresh(list);
}
continue; /* wait for another key press */
}
else
i = choice - 1;
}
else if (KEY_IS_DOWN(key)) {
if (choice == max_choice - 1) {
if (scroll + choice < item_no - 1) {
/* Scroll list up */
getyx(dialog, cur_y, cur_x); /* Save cursor position */
if (list_height > 1) {
/* De-highlight current last item before scrolling up */
print_item(list, items[(scroll + max_choice - 1) * 3],
items[(scroll + max_choice - 1) * 3 + 1],
status[scroll + max_choice - 1], max_choice - 1,
FALSE, DREF(ditems, scroll + max_choice - 1), list_width, item_x, check_x);
scrollok(list, TRUE);
scroll(list);
scrollok(list, FALSE);
}
scroll++;
print_item(list, items[(scroll + max_choice - 1) * 3],
items[(scroll + max_choice - 1) * 3 + 1],
status[scroll + max_choice - 1], max_choice - 1, TRUE,
DREF(ditems, scroll + max_choice - 1), list_width, item_x, check_x);
print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y);
wmove(list, choice, check_x+1);
wnoutrefresh(dialog);
wrefresh(list);
}
continue; /* wait for another key press */
}
else
i = choice + 1;
}
else if ((key == ' ' || key == '\n' || key == '\r') && onlist) { /* Toggle item status */
char lbra = 0, rbra = 0, mark = 0;
getyx(list, old_y, old_x); /* Save cursor position */
if (ditems) {
if (ditems[scroll + choice].fire) {
int st;
WINDOW *save;
save = dupwin(newscr);
st = ditems[scroll + choice].fire(&ditems[scroll + choice]); /* Call "fire" action */
if (st & DITEM_RESTORE) {
touchwin(save);
wrefresh(save);
}
delwin(save);
if (st & DITEM_REDRAW) {
wclear(list);
for (i = 0; i < item_no; i++)
status[i] = ditems[i].checked ? ditems[i].checked(&ditems[i]) : FALSE;
for (i = 0; i < max_choice; i++) {
print_item(list, items[(scroll + i) * 3], items[(scroll + i) * 3 + 1],
status[scroll + i], i, i == choice, DREF(ditems, scroll + i), list_width, item_x, check_x);
}
wnoutrefresh(list);
print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4,
cur_x, cur_y);
wrefresh(dialog);
}
if (st & DITEM_LEAVE_MENU) {
/* Allow a fire action to take us out of the menu */
key = ESC;
rval = 0;
break;
}
else if (st & DITEM_RECREATE) {
delwin(list);
delwin(dialog);
dialog_clear();
goto draw;
}
}
status[scroll + choice] = ditems[scroll + choice].checked ?
ditems[scroll + choice].checked(&ditems[scroll + choice]) : FALSE;
lbra = ditems[scroll + choice].lbra;
rbra = ditems[scroll + choice].rbra;
mark = ditems[scroll + choice].mark;
}
else
status[scroll + choice] = !status[scroll + choice];
wmove(list, choice, check_x);
wattrset(list, check_selected_attr);
if (!lbra)
lbra = '[';
if (!rbra)
rbra = ']';
if (!mark)
mark = 'X';
wprintw(list, "%c%c%c", lbra, status[scroll + choice] ? mark : ' ', rbra);
wmove(list, old_y, old_x); /* Restore cursor to previous position */
wrefresh(list);
continue; /* wait for another key press */
}
if (i != choice) {
/* De-highlight current item */
getyx(dialog, cur_y, cur_x); /* Save cursor position */
print_item(list, items[(scroll + choice) * 3], items[(scroll + choice) * 3 + 1],
status[scroll + choice], choice, FALSE, DREF(ditems, scroll + choice), list_width, item_x, check_x);
/* Highlight new item */
choice = i;
print_item(list, items[(scroll + choice) * 3], items[(scroll + choice) * 3 + 1], status[scroll + choice], choice, TRUE, DREF(ditems, scroll + choice), list_width, item_x, check_x);
wmove(list, choice, check_x+1); /* Restore cursor to previous position */
wrefresh(list);
}
continue; /* wait for another key press */
}
switch (key) {
case KEY_PPAGE: /* can we go up? */
if (scroll > height - 4)
scroll -= (height-4);
else
scroll = 0;
redraw_menu = TRUE;
if (!onlist) {
onlist = 1;
button = 0;
}
break;
case KEY_NPAGE: /* can we go down a full page? */
if (scroll + list_height >= item_no-1 - list_height) {
scroll = item_no - list_height;
if (scroll < 0)
scroll = 0;
}
else
scroll += list_height;
redraw_menu = TRUE;
if (!onlist) {
onlist = 1;
button = 0;
}
break;
case KEY_HOME: /* go to the top */
scroll = 0;
choice = 0;
redraw_menu = TRUE;
cursor_reset = TRUE;
onlist = 1;
break;
case KEY_END: /* Go to the bottom */
scroll = item_no - list_height;
if (scroll < 0)
scroll = 0;
choice = max_choice - 1;
redraw_menu = TRUE;
cursor_reset = TRUE;
onlist = 1;
break;
case TAB:
case KEY_BTAB:
/* move to next component */
if (onlist) { /* on list, next is ok button */
onlist = 0;
if (ditems && result) {
print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5, ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : button);
print_button(dialog, ditems[OK_BUTTON].prompt, y, x, ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : !button);
ok_space = 1;
cancel_space = strlen(ditems[OK_BUTTON].prompt) + 6;
}
else {
print_button(dialog, "Cancel", y, x + 14, button);
print_button(dialog, " OK ", y, x, !button);
ok_space = 3;
cancel_space = 15;
}
if (button)
wmove(dialog, y, x + cancel_space);
else
wmove(dialog, y, x + ok_space);
wrefresh(dialog);
break;
}
else if (button) { /* on cancel button, next is list */
button = 0;
onlist = 1;
redraw_menu = TRUE;
break;
}
/* on ok button, next is cancel button, same as left/right case */
case KEY_LEFT:
case KEY_RIGHT:
onlist = 0;
button = !button;
if (ditems && result) {
print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5, ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : button);
print_button(dialog, ditems[OK_BUTTON].prompt, y, x, ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : !button);
ok_space = 1;
cancel_space = strlen(ditems[OK_BUTTON].prompt) + 6;
}
else {
print_button(dialog, "Cancel", y, x + 14, button);
print_button(dialog, " OK ", y, x, !button);
ok_space = 3;
cancel_space = 15;
}
if (button)
wmove(dialog, y, x + cancel_space);
else
wmove(dialog, y, x + ok_space);
wrefresh(dialog);
break;
case ' ':
case '\n':
case '\r':
if (!onlist) {
if (ditems) {
if (result && ditems[button ? CANCEL_BUTTON : OK_BUTTON].fire) {
int st;
WINDOW *save = dupwin(newscr);
st = ditems[button ? CANCEL_BUTTON : OK_BUTTON].fire(&ditems[button ? CANCEL_BUTTON : OK_BUTTON]);
if (st & DITEM_RESTORE) {
touchwin(save);
wrefresh(save);
}
delwin(save);
if (st == DITEM_FAILURE)
continue;
}
}
else if (result) {
*result = '\0';
for (i = 0; i < item_no; i++) {
if (status[i]) {
strcat(result, items[i*3]);
strcat(result, "\n");
}
}
}
rval = button;
key = ESC; /* Bail out! */
break;
}
/* Let me outta here! */
case ESC:
rval = -1;
break;
/* Help! */
case KEY_F(1):
case '?':
display_helpfile();
break;
}
if (redraw_menu) {
getyx(list, old_y, old_x);
wclear(list);
/*
* Re-draw a box around the list items. It is required
* if amount of list items is smaller than height of listbox.
* Otherwise un-redrawn field will be filled with default
* screen attributes instead of dialog attributes.
*/
draw_box(dialog, box_y, box_x, list_height + 2, list_width + 2, menubox_border_attr, menubox_attr);
for (i = 0; i < max_choice; i++)
print_item(list, items[(scroll + i) * 3], items[(scroll + i) * 3 + 1], status[scroll + i], i, i == choice, DREF(ditems, scroll + i), list_width, item_x, check_x);
print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y);
/* redraw buttons to fix highlighting */
if (ditems && result) {
print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5, ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : button);
print_button(dialog, ditems[OK_BUTTON].prompt, y, x, ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : !button);
}
else {
print_button(dialog, "Cancel", y, x + 14, button);
print_button(dialog, " OK ", y, x, !button);
}
wnoutrefresh(dialog);
if (cursor_reset) {
wmove(list, choice, check_x+1);
cursor_reset = FALSE;
}
else {
wmove(list, old_y, old_x);
}
wrefresh(list);
redraw_menu = FALSE;
}
}
delwin(list);
delwin(dialog);
return rval;
}
/*
* Display a menu for choosing among a number of options
*/
int
dialog_menu (const char *title, const char *prompt, int height, int width,
int menu_height, const char *current, int item_no,
const char * const * items)
{
int i, j, x, y, box_x, box_y;
int key = 0, button = 0, scroll = 0, choice = 0, first_item = 0, max_choice;
WINDOW *dialog, *menu;
FILE *f;
max_choice = MIN (menu_height, item_no);
/* center dialog box on screen */
x = (COLS - width) / 2;
y = (LINES - height) / 2;
draw_shadow (stdscr, y, x, height, width);
dialog = newwin (height, width, y, x);
keypad (dialog, TRUE);
draw_box (dialog, 0, 0, height, width, dialog_attr, border_attr);
wattrset (dialog, border_attr);
mvwaddch (dialog, height - 3, 0, ACS_LTEE);
for (i = 0; i < width - 2; i++)
waddch (dialog, ACS_HLINE);
wattrset (dialog, dialog_attr);
wbkgdset (dialog, dialog_attr & A_COLOR);
waddch (dialog, ACS_RTEE);
if (title != NULL && strlen(title) >= width-2 ) {
/* truncate long title -- mec */
char * title2 = malloc(width-2+1);
memcpy( title2, title, width-2 );
title2[width-2] = '\0';
title = title2;
}
if (title != NULL) {
wattrset (dialog, title_attr);
mvwaddch (dialog, 0, (width - strlen(title))/2 - 1, ' ');
waddstr (dialog, (char *)title);
waddch (dialog, ' ');
}
wattrset (dialog, dialog_attr);
print_autowrap (dialog, prompt, width - 2, 1, 3);
menu_width = width - 6;
box_y = height - menu_height - 5;
box_x = (width - menu_width) / 2 - 1;
/* create new window for the menu */
menu = subwin (dialog, menu_height, menu_width,
y + box_y + 1, x + box_x + 1);
keypad (menu, TRUE);
/* draw a box around the menu items */
draw_box (dialog, box_y, box_x, menu_height + 2, menu_width + 2,
menubox_border_attr, menubox_attr);
/*
* Find length of longest item in order to center menu.
* Set 'choice' to default item.
*/
item_x = 0;
for (i = 0; i < item_no; i++) {
item_x = MAX (item_x, MIN(menu_width, strlen (items[i * 2 + 1]) + 2));
if (strcmp(current, items[i*2]) == 0) choice = i;
}
item_x = (menu_width - item_x) / 2;
/* get the scroll info from the temp file */
if ( (f=fopen("lxdialog.scrltmp","r")) != NULL ) {
if ( (fscanf(f,"%d\n",&scroll) == 1) && (scroll <= choice) &&
(scroll+max_choice > choice) && (scroll >= 0) &&
(scroll+max_choice <= item_no) ) {
first_item = scroll;
choice = choice - scroll;
fclose(f);
} else {
scroll=0;
remove("lxdialog.scrltmp");
fclose(f);
f=NULL;
}
}
if ( (choice >= max_choice) || (f==NULL && choice >= max_choice/2) ) {
if (choice >= item_no-max_choice/2)
scroll = first_item = item_no-max_choice;
else
scroll = first_item = choice - max_choice/2;
choice = choice - scroll;
}
/* Print the menu */
for (i=0; i < max_choice; i++) {
print_item (menu, items[(first_item + i) * 2 + 1], i, i == choice,
(items[(first_item + i)*2][0] != ':'));
}
wnoutrefresh (menu);
print_arrows(dialog, item_no, scroll,
box_y, box_x+item_x+1, menu_height);
print_buttons (dialog, height, width, 0);
while (key != ESC) {
key = wgetch(dialog);
if (key < 256 && isalpha(key)) key = tolower(key);
if (strchr("ynm", key))
i = max_choice;
else {
for (i = choice+1; i < max_choice; i++) {
j = first_alpha(items[(scroll+i)*2+1], "YyNnMm");
if (key == tolower(items[(scroll+i)*2+1][j]))
break;
}
if (i == max_choice)
for (i = 0; i < max_choice; i++) {
j = first_alpha(items[(scroll+i)*2+1], "YyNnMm");
if (key == tolower(items[(scroll+i)*2+1][j]))
break;
}
}
if (i < max_choice ||
key == KEY_UP || key == KEY_DOWN ||
key == '-' || key == '+' ||
key == KEY_PPAGE || key == KEY_NPAGE) {
print_item (menu, items[(scroll+choice)*2+1], choice, FALSE,
(items[(scroll+choice)*2][0] != ':'));
if (key == KEY_UP || key == '-') {
if (choice < 2 && scroll) {
/* Scroll menu down */
scrollok (menu, TRUE);
wscrl (menu, -1);
scrollok (menu, FALSE);
scroll--;
print_item (menu, items[scroll * 2 + 1], 0, FALSE,
(items[scroll*2][0] != ':'));
} else
choice = MAX(choice - 1, 0);
} else if (key == KEY_DOWN || key == '+') {
print_item (menu, items[(scroll+choice)*2+1], choice, FALSE,
(items[(scroll+choice)*2][0] != ':'));
if ((choice > max_choice-3) &&
(scroll + max_choice < item_no)
) {
/* Scroll menu up */
scrollok (menu, TRUE);
scroll (menu);
scrollok (menu, FALSE);
scroll++;
print_item (menu, items[(scroll+max_choice-1)*2+1],
max_choice-1, FALSE,
(items[(scroll+max_choice-1)*2][0] != ':'));
} else
choice = MIN(choice+1, max_choice-1);
} else if (key == KEY_PPAGE) {
scrollok (menu, TRUE);
for (i=0; (i < max_choice); i++) {
if (scroll > 0) {
wscrl (menu, -1);
scroll--;
print_item (menu, items[scroll * 2 + 1], 0, FALSE,
(items[scroll*2][0] != ':'));
} else {
if (choice > 0)
choice--;
}
}
scrollok (menu, FALSE);
} else if (key == KEY_NPAGE) {
for (i=0; (i < max_choice); i++) {
if (scroll+max_choice < item_no) {
scrollok (menu, TRUE);
scroll(menu);
scrollok (menu, FALSE);
scroll++;
print_item (menu, items[(scroll+max_choice-1)*2+1],
max_choice-1, FALSE,
(items[(scroll+max_choice-1)*2][0] != ':'));
} else {
if (choice+1 < max_choice)
choice++;
}
}
} else
choice = i;
print_item (menu, items[(scroll+choice)*2+1], choice, TRUE,
(items[(scroll+choice)*2][0] != ':'));
print_arrows(dialog, item_no, scroll,
box_y, box_x+item_x+1, menu_height);
wnoutrefresh (menu);
wrefresh (dialog);
continue; /* wait for another key press */
}
switch (key) {
case KEY_LEFT:
case TAB:
case KEY_RIGHT:
button = ((key == KEY_LEFT ? --button : ++button) < 0)
? 2 : (button > 2 ? 0 : button);
print_buttons(dialog, height, width, button);
wrefresh (dialog);
break;
case ' ':
case 's':
case 'y':
case 'n':
case 'm':
/* save scroll info */
if ( (f=fopen("lxdialog.scrltmp","w")) != NULL ) {
fprintf(f,"%d\n",scroll);
fclose(f);
}
delwin (dialog);
fprintf(stderr, "%s\n", items[(scroll + choice) * 2]);
switch (key) {
case 's': return 3;
case 'y': return 3;
case 'n': return 4;
case 'm': return 5;
case ' ': return 6;
}
return 0;
case 'h':
case '?':
button = 2;
case '\n':
delwin (dialog);
if (button == 2)
fprintf(stderr, "%s \"%s\"\n",
items[(scroll + choice) * 2],
items[(scroll + choice) * 2 + 1] +
first_alpha(items[(scroll + choice) * 2 + 1],""));
else
fprintf(stderr, "%s\n", items[(scroll + choice) * 2]);
remove("lxdialog.scrltmp");
return button;
case 'e':
case 'x':
key = ESC;
case ESC:
break;
}
}
delwin (dialog);
remove("lxdialog.scrltmp");
return -1; /* ESC pressed */
}
/*
* Display a dialog box with a list of options that can be turned on or off
* The `flag' parameter is used to select between radiolist and checklist.
*/
int
dialog_checklist (const char *title, const char *prompt, int height, int width,
int list_height, int item_no, const char * const * items, int flag)
{
int i, x, y, box_x, box_y;
int key = 0, button = 0, choice = 0, scroll = 0, max_choice, *status;
WINDOW *dialog, *list;
checkflag = flag;
/* Allocate space for storing item on/off status */
if ((status = malloc (sizeof (int) * item_no)) == NULL) {
endwin ();
fprintf (stderr,
"\nCan't allocate memory in dialog_checklist().\n");
exit (-1);
}
/* Initializes status */
for (i = 0; i < item_no; i++) {
status[i] = !strcasecmp (items[i * 3 + 2], "on");
if (!choice && status[i])
choice = i;
}
max_choice = MIN (list_height, item_no);
/* center dialog box on screen */
x = (COLS - width) / 2;
y = (LINES - height) / 2;
draw_shadow (stdscr, y, x, height, width);
dialog = newwin (height, width, y, x);
keypad (dialog, TRUE);
draw_box (dialog, 0, 0, height, width, dialog_attr, border_attr);
wattrset (dialog, border_attr);
mvwaddch (dialog, height-3, 0, ACS_LTEE);
for (i = 0; i < width - 2; i++)
waddch (dialog, ACS_HLINE);
wattrset (dialog, dialog_attr);
waddch (dialog, ACS_RTEE);
if (title != NULL && strlen(title) >= width-2 ) {
/* truncate long title -- mec */
char * title2 = malloc(width-2+1);
memcpy( title2, title, width-2 );
title2[width-2] = '\0';
title = title2;
}
if (title != NULL) {
wattrset (dialog, title_attr);
mvwaddch (dialog, 0, (width - strlen(title))/2 - 1, ' ');
waddstr (dialog, (char *)title);
waddch (dialog, ' ');
}
wattrset (dialog, dialog_attr);
print_autowrap (dialog, prompt, width - 2, 1, 3);
list_width = width - 6;
box_y = height - list_height - 5;
box_x = (width - list_width) / 2 - 1;
/* create new window for the list */
list = subwin (dialog, list_height, list_width, y+box_y+1, x+box_x+1);
keypad (list, TRUE);
/* draw a box around the list items */
draw_box (dialog, box_y, box_x, list_height + 2, list_width + 2,
menubox_border_attr, menubox_attr);
/* Find length of longest item in order to center checklist */
check_x = 0;
for (i = 0; i < item_no; i++)
check_x = MAX (check_x, + strlen (items[i * 3 + 1]) + 4);
check_x = (list_width - check_x) / 2;
item_x = check_x + 4;
if (choice >= list_height) {
scroll = choice - list_height + 1;
choice -= scroll;
}
/* Print the list */
for (i = 0; i < max_choice; i++) {
print_item (list, items[(scroll+i) * 3 + 1],
status[i+scroll], i, i == choice);
}
print_arrows(dialog, choice, item_no, scroll,
box_y, box_x + check_x + 5, list_height);
print_buttons(dialog, height, width, 0);
wnoutrefresh (list);
wnoutrefresh (dialog);
doupdate ();
while (key != ESC) {
key = wgetch (dialog);
for (i = 0; i < max_choice; i++)
if (toupper(key) == toupper(items[(scroll+i)*3+1][0]))
break;
if ( i < max_choice || key == KEY_UP || key == KEY_DOWN ||
key == '+' || key == '-' ) {
if (key == KEY_UP || key == '-') {
if (!choice) {
if (!scroll)
continue;
/* Scroll list down */
if (list_height > 1) {
/* De-highlight current first item */
print_item (list, items[scroll * 3 + 1],
status[scroll], 0, FALSE);
scrollok (list, TRUE);
wscrl (list, -1);
scrollok (list, FALSE);
}
scroll--;
print_item (list, items[scroll * 3 + 1],
status[scroll], 0, TRUE);
wnoutrefresh (list);
print_arrows(dialog, choice, item_no, scroll,
box_y, box_x + check_x + 5, list_height);
wrefresh (dialog);
continue; /* wait for another key press */
} else
i = choice - 1;
} else if (key == KEY_DOWN || key == '+') {
if (choice == max_choice - 1) {
if (scroll + choice >= item_no - 1)
continue;
/* Scroll list up */
if (list_height > 1) {
/* De-highlight current last item before scrolling up */
print_item (list, items[(scroll + max_choice - 1) * 3 + 1],
status[scroll + max_choice - 1],
max_choice - 1, FALSE);
scrollok (list, TRUE);
scroll (list);
scrollok (list, FALSE);
}
scroll++;
print_item (list, items[(scroll + max_choice - 1) * 3 + 1],
status[scroll + max_choice - 1],
max_choice - 1, TRUE);
wnoutrefresh (list);
print_arrows(dialog, choice, item_no, scroll,
box_y, box_x + check_x + 5, list_height);
wrefresh (dialog);
continue; /* wait for another key press */
} else
i = choice + 1;
}
if (i != choice) {
/* De-highlight current item */
print_item (list, items[(scroll + choice) * 3 + 1],
status[scroll + choice], choice, FALSE);
/* Highlight new item */
choice = i;
print_item (list, items[(scroll + choice) * 3 + 1],
status[scroll + choice], choice, TRUE);
wnoutrefresh (list);
wrefresh (dialog);
}
continue; /* wait for another key press */
}
switch (key) {
case 'H':
case 'h':
case '?':
delwin (dialog);
free (status);
return 1;
case 'S':
case 's':
case ' ':
case '\n':
if (!button) {
if (flag == FLAG_CHECK) {
status[scroll + choice] = !status[scroll + choice];
wmove (list, choice, check_x);
wattrset (list, check_selected_attr);
wprintw (list, "[%c]", status[scroll + choice] ? 'X' : ' ');
} else {
if (!status[scroll + choice]) {
for (i = 0; i < item_no; i++)
status[i] = 0;
status[scroll + choice] = 1;
for (i = 0; i < max_choice; i++)
print_item (list, items[(scroll + i) * 3 + 1],
status[scroll + i], i, i == choice);
}
}
wnoutrefresh (list);
wrefresh (dialog);
for (i = 0; i < item_no; i++) {
if (status[i]) {
if (flag == FLAG_CHECK) {
fprintf (stderr, "\"%s\" ", items[i * 3]);
} else {
fprintf (stderr, "%s", items[i * 3]);
}
}
}
}
delwin (dialog);
free (status);
return button;
case 'X':
case 'x':
key = ESC;
case ESC:
break;
}
/* Now, update everything... */
doupdate ();
}
delwin (dialog);
free (status);
return -1; /* ESC pressed */
}
/*
* This is an alternate interface to 'checklist' which allows the application
* to read the list item states back directly without putting them in the
* output buffer. It also provides for more than two states over which the
* check/radio box can display.
*/
int
dlg_checklist(const char *title,
const char *cprompt,
int height,
int width,
int list_height,
int item_no,
DIALOG_LISTITEM * items,
const char *states,
int flag,
int *current_item)
{
/* *INDENT-OFF* */
static DLG_KEYS_BINDING binding[] = {
HELPKEY_BINDINGS,
ENTERKEY_BINDINGS,
DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_RIGHT ),
DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ),
DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ),
DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_LEFT ),
DLG_KEYS_DATA( DLGK_ITEM_FIRST, KEY_HOME ),
DLG_KEYS_DATA( DLGK_ITEM_LAST, KEY_END ),
DLG_KEYS_DATA( DLGK_ITEM_LAST, KEY_LL ),
DLG_KEYS_DATA( DLGK_ITEM_NEXT, '+' ),
DLG_KEYS_DATA( DLGK_ITEM_NEXT, KEY_DOWN ),
DLG_KEYS_DATA( DLGK_ITEM_NEXT, CHR_NEXT ),
DLG_KEYS_DATA( DLGK_ITEM_PREV, '-' ),
DLG_KEYS_DATA( DLGK_ITEM_PREV, KEY_UP ),
DLG_KEYS_DATA( DLGK_ITEM_PREV, CHR_PREVIOUS ),
DLG_KEYS_DATA( DLGK_PAGE_NEXT, KEY_NPAGE ),
DLG_KEYS_DATA( DLGK_PAGE_NEXT, DLGK_MOUSE(KEY_NPAGE) ),
DLG_KEYS_DATA( DLGK_PAGE_PREV, KEY_PPAGE ),
DLG_KEYS_DATA( DLGK_PAGE_PREV, DLGK_MOUSE(KEY_PPAGE) ),
END_KEYS_BINDING
};
/* *INDENT-ON* */
#ifdef KEY_RESIZE
int old_height = height;
int old_width = width;
#endif
int i, j, key2, found, x, y, cur_x, cur_y, box_x, box_y;
int key = 0, fkey;
int button = dialog_state.visit_items ? -1 : dlg_defaultno_button();
int choice = dlg_default_listitem(items);
int scrollamt = 0;
int max_choice;
int was_mouse;
int use_height;
int use_width, name_width, text_width;
int result = DLG_EXIT_UNKNOWN;
int num_states;
WINDOW *dialog, *list;
char *prompt = dlg_strclone(cprompt);
const char **buttons = dlg_ok_labels();
dlg_does_output();
dlg_tab_correct_str(prompt);
/*
* If this is a radiobutton list, ensure that no more than one item is
* selected initially. Allow none to be selected, since some users may
* wish to provide this flavor.
*/
if (flag == FLAG_RADIO) {
bool first = TRUE;
for (i = 0; i < item_no; i++) {
if (items[i].state) {
if (first) {
first = FALSE;
} else {
items[i].state = 0;
}
}
}
}
#ifdef KEY_RESIZE
retry:
#endif
use_height = list_height;
if (use_height == 0) {
use_width = dlg_calc_list_width(item_no, items) + 10;
/* calculate height without items (4) */
dlg_auto_size(title, prompt, &height, &width, MIN_HIGH, MAX(26, use_width));
dlg_calc_listh(&height, &use_height, item_no);
} else {
dlg_auto_size(title, prompt, &height, &width, MIN_HIGH + use_height, 26);
}
dlg_button_layout(buttons, &width);
dlg_print_size(height, width);
dlg_ctl_size(height, width);
/* we need at least two states */
if (states == 0 || strlen(states) < 2)
states = " *";
num_states = (int) strlen(states);
checkflag = flag;
x = dlg_box_x_ordinate(width);
y = dlg_box_y_ordinate(height);
dialog = dlg_new_window(height, width, y, x);
dlg_register_window(dialog, "checklist", binding);
dlg_register_buttons(dialog, "checklist", buttons);
dlg_mouse_setbase(x, y);
dlg_draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
dlg_draw_bottom_box(dialog);
dlg_draw_title(dialog, title);
wattrset(dialog, dialog_attr);
dlg_print_autowrap(dialog, prompt, height, width);
list_width = width - 6;
getyx(dialog, cur_y, cur_x);
box_y = cur_y + 1;
box_x = (width - list_width) / 2 - 1;
/*
* After displaying the prompt, we know how much space we really have.
* Limit the list to avoid overwriting the ok-button.
*/
if (use_height + MIN_HIGH > height - cur_y)
use_height = height - MIN_HIGH - cur_y;
if (use_height <= 0)
use_height = 1;
max_choice = MIN(use_height, item_no);
/* create new window for the list */
list = dlg_sub_window(dialog, use_height, list_width,
y + box_y + 1, x + box_x + 1);
/* draw a box around the list items */
dlg_draw_box(dialog, box_y, box_x,
use_height + 2 * MARGIN,
list_width + 2 * MARGIN,
menubox_border_attr, menubox_attr);
text_width = 0;
name_width = 0;
/* Find length of longest item to center checklist */
for (i = 0; i < item_no; i++) {
text_width = MAX(text_width, dlg_count_columns(items[i].text));
name_width = MAX(name_width, dlg_count_columns(items[i].name));
}
/* If the name+text is wider than the list is allowed, then truncate
* one or both of them. If the name is no wider than 1/4 of the list,
* leave it intact.
*/
use_width = (list_width - 6);
if (text_width + name_width > use_width) {
int need = (int) (0.25 * use_width);
if (name_width > need) {
int want = (int) (use_width * ((double) name_width) /
(text_width + name_width));
name_width = (want > need) ? want : need;
}
text_width = use_width - name_width;
}
check_x = (use_width - (text_width + name_width)) / 2;
item_x = name_width + check_x + 6;
/* ensure we are scrolled to show the current choice */
if (choice >= (max_choice + scrollamt)) {
scrollamt = choice - max_choice + 1;
choice = max_choice - 1;
}
/* Print the list */
for (i = 0; i < max_choice; i++) {
print_item(list,
&items[i + scrollamt],
states,
i, i == choice);
}
(void) wnoutrefresh(list);
/* register the new window, along with its borders */
dlg_mouse_mkbigregion(box_y + 1, box_x, use_height, list_width + 2,
KEY_MAX, 1, 1, 1 /* by lines */ );
print_arrows(dialog,
box_x, box_y,
scrollamt, max_choice, item_no, use_height);
dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
while (result == DLG_EXIT_UNKNOWN) {
if (button < 0) /* --visit-items */
wmove(dialog, box_y + choice + 1, box_x + check_x + 2);
key = dlg_mouse_wgetch(dialog, &fkey);
if (dlg_result_key(key, fkey, &result))
break;
was_mouse = (fkey && is_DLGK_MOUSE(key));
if (was_mouse)
key -= M_EVENT;
if (was_mouse && (key >= KEY_MAX)) {
getyx(dialog, cur_y, cur_x);
i = (key - KEY_MAX);
if (i < max_choice) {
/* De-highlight current item */
print_item(list,
&items[scrollamt + choice],
states,
choice, FALSE);
/* Highlight new item */
choice = (key - KEY_MAX);
print_item(list,
&items[scrollamt + choice],
states,
choice, TRUE);
(void) wnoutrefresh(list);
(void) wmove(dialog, cur_y, cur_x);
key = ' '; /* force the selected item to toggle */
} else {
beep();
continue;
}
fkey = FALSE;
} else if (was_mouse && key >= KEY_MIN) {
key = dlg_lookup_key(dialog, key, &fkey);
}
/*
* A space toggles the item status. We handle either a checklist
* (any number of items can be selected) or radio list (zero or one
* items can be selected).
*/
if (key == ' ') {
int current = scrollamt + choice;
int next = items[current].state + 1;
if (next >= num_states)
next = 0;
getyx(dialog, cur_y, cur_x);
if (flag == FLAG_CHECK) { /* checklist? */
items[current].state = next;
print_item(list,
&items[scrollamt + choice],
states,
choice, TRUE);
} else { /* radiolist */
for (i = 0; i < item_no; i++) {
if (i != current) {
items[i].state = 0;
}
}
if (items[current].state) {
items[current].state = next ? next : 1;
print_item(list,
&items[current],
states,
choice, TRUE);
} else {
items[current].state = 1;
for (i = 0; i < max_choice; i++)
print_item(list,
&items[scrollamt + i],
states,
i, i == choice);
}
}
(void) wnoutrefresh(list);
(void) wmove(dialog, cur_y, cur_x);
wrefresh(dialog);
continue; /* wait for another key press */
}
/*
* Check if key pressed matches first character of any item tag in
* list. If there is more than one match, we will cycle through
* each one as the same key is pressed repeatedly.
*/
found = FALSE;
if (!fkey) {
if (button < 0 || !dialog_state.visit_items) {
for (j = scrollamt + choice + 1; j < item_no; j++) {
if (dlg_match_char(dlg_last_getc(), items[j].name)) {
found = TRUE;
i = j - scrollamt;
break;
}
}
if (!found) {
for (j = 0; j <= scrollamt + choice; j++) {
if (dlg_match_char(dlg_last_getc(), items[j].name)) {
found = TRUE;
i = j - scrollamt;
break;
}
}
}
if (found)
dlg_flush_getc();
} else if ((j = dlg_char_to_button(key, buttons)) >= 0) {
button = j;
ungetch('\n');
continue;
}
}
/*
* A single digit (1-9) positions the selection to that line in the
* current screen.
*/
if (!found
&& (key <= '9')
&& (key > '0')
&& (key - '1' < max_choice)) {
found = TRUE;
i = key - '1';
}
if (!found) {
if (fkey) {
found = TRUE;
switch (key) {
case DLGK_ITEM_FIRST:
i = -scrollamt;
break;
case DLGK_ITEM_LAST:
i = item_no - 1 - scrollamt;
break;
case DLGK_PAGE_PREV:
if (choice)
i = 0;
else if (scrollamt != 0)
i = -MIN(scrollamt, max_choice);
else
continue;
break;
case DLGK_PAGE_NEXT:
i = MIN(choice + max_choice, item_no - scrollamt - 1);
break;
case DLGK_ITEM_PREV:
i = choice - 1;
if (choice == 0 && scrollamt == 0)
continue;
break;
case DLGK_ITEM_NEXT:
i = choice + 1;
if (scrollamt + choice >= item_no - 1)
continue;
break;
default:
found = FALSE;
break;
}
}
}
if (found) {
if (i != choice) {
getyx(dialog, cur_y, cur_x);
if (i < 0 || i >= max_choice) {
#if defined(NCURSES_VERSION_MAJOR) && NCURSES_VERSION_MAJOR < 5
/*
* Using wscrl to assist ncurses scrolling is not needed
* in version 5.x
*/
if (i == -1) {
if (use_height > 1) {
/* De-highlight current first item */
print_item(list,
&items[scrollamt],
states,
0, FALSE);
scrollok(list, TRUE);
wscrl(list, -1);
scrollok(list, FALSE);
}
scrollamt--;
print_item(list,
&items[scrollamt],
states,
0, TRUE);
} else if (i == max_choice) {
if (use_height > 1) {
/* De-highlight current last item before scrolling up */
print_item(list,
&items[scrollamt + max_choice - 1],
states,
max_choice - 1, FALSE);
scrollok(list, TRUE);
wscrl(list, 1);
scrollok(list, FALSE);
}
scrollamt++;
print_item(list,
&items[scrollamt + max_choice - 1],
states,
max_choice - 1, TRUE);
} else
#endif
{
if (i < 0) {
scrollamt += i;
choice = 0;
} else {
choice = max_choice - 1;
scrollamt += (i - max_choice + 1);
}
for (i = 0; i < max_choice; i++) {
print_item(list,
&items[scrollamt + i],
states,
i, i == choice);
}
}
(void) wnoutrefresh(list);
print_arrows(dialog,
box_x, box_y,
scrollamt, max_choice, item_no, use_height);
} else {
/* De-highlight current item */
print_item(list,
&items[scrollamt + choice],
states,
choice, FALSE);
/* Highlight new item */
choice = i;
print_item(list,
&items[scrollamt + choice],
states,
choice, TRUE);
(void) wnoutrefresh(list);
print_arrows(dialog,
box_x, box_y,
scrollamt, max_choice, item_no, use_height);
(void) wmove(dialog, cur_y, cur_x);
wrefresh(dialog);
}
}
continue; /* wait for another key press */
}
if (fkey) {
switch (key) {
case DLGK_ENTER:
result = dlg_enter_buttoncode(button);
break;
case DLGK_FIELD_PREV:
button = dlg_prev_button(buttons, button);
dlg_draw_buttons(dialog, height - 2, 0, buttons, button,
FALSE, width);
break;
case DLGK_FIELD_NEXT:
button = dlg_next_button(buttons, button);
dlg_draw_buttons(dialog, height - 2, 0, buttons, button,
FALSE, width);
break;
#ifdef KEY_RESIZE
case KEY_RESIZE:
/* reset data */
height = old_height;
width = old_width;
/* repaint */
dlg_clear();
dlg_del_window(dialog);
refresh();
dlg_mouse_free_regions();
goto retry;
#endif
default:
if (was_mouse) {
if ((key2 = dlg_ok_buttoncode(key)) >= 0) {
result = key2;
break;
}
beep();
}
}
} else {
beep();
}
}
dlg_del_window(dialog);
dlg_mouse_free_regions();
free(prompt);
*current_item = (scrollamt + choice);
return result;
}
