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$NetBSD: patch-af,v 1.3 2000/07/28 20:30:11 jlam Exp $
--- menubox.c.orig Thu Aug 17 22:21:00 1995
+++ menubox.c Fri Jul 28 15:30:22 2000
@@ -53,12 +53,32 @@
dialog_menu (const char *title, const char *prompt, int height, int width,
int menu_height, int item_no, const char * const * items)
{
- int i, x, y, cur_x, cur_y, box_x, box_y;
- int key = 0, button = 0, choice = 0, scroll = 0, max_choice;
+ int i, j, x, y, cur_x, cur_y, box_x, box_y;
+ int key = 0, button = 0, choice = 0, d_scroll = 0, max_choice;
WINDOW *dialog, *menu;
max_choice = MIN (menu_height, item_no);
+ /* Find length of longest item in order to center menu */
+ tag_x = 0;
+ item_x = 0;
+ for (i = 0; i < item_no; i++) {
+ tag_x = MAX (tag_x,
+ strlen (items[i * 2]) + strlen (items[i * 2 + 1]) + 2);
+ item_x = MAX (item_x, strlen (items[i * 2]));
+ }
+
+ /* Choose useful default height and width if they are negative */
+ if (height < 0)
+ height = strheight(prompt) + menu_height + 4 + 2;
+ if (width < 0) {
+ i = strwidth(prompt);
+ j = ((title != NULL) ? strwidth(title) : 0);
+ width = MAX (i, j);
+ width = MAX (width, tag_x + 4) + 4;
+ }
+ width = MAX (width, MIN_DIALOG_WIDTH);
+
/* center dialog box on screen */
x = (COLS - width) / 2;
y = (LINES - height) / 2;
@@ -107,14 +127,6 @@
draw_box (dialog, box_y, box_x, menu_height + 2, menu_width + 2,
menubox_border_attr, menubox_attr);
- tag_x = 0;
- item_x = 0;
- /* Find length of longest item in order to center menu */
- for (i = 0; i < item_no; i++) {
- tag_x = MAX (tag_x,
- strlen (items[i * 2]) + strlen (items[i * 2 + 1]) + 2);
- item_x = MAX (item_x, strlen (items[i * 2]));
- }
tag_x = (menu_width - tag_x) / 2;
item_x = tag_x + item_x + 2;
@@ -146,7 +158,7 @@
/* Check if key pressed matches first character of any
item tag in menu */
for (i = 0; i < max_choice; i++)
- if (toupper (key) == toupper (items[(scroll + i) * 2][0]))
+ if (toupper (key) == toupper (items[(d_scroll + i) * 2][0]))
break;
if (i < max_choice ||
@@ -159,33 +171,33 @@
i = key - M_EVENT;
else if (key == KEY_UP || key == '-') {
if (!choice) {
- if (scroll) {
+ if (d_scroll) {
/* Scroll menu down */
getyx (dialog, cur_y, cur_x);
if (menu_height > 1) {
/* De-highlight current first item */
- print_item (menu, items[scroll * 2],
- items[scroll * 2 + 1], 0, FALSE);
+ print_item (menu, items[d_scroll * 2],
+ items[d_scroll * 2 + 1], 0, FALSE);
scrollok (menu, TRUE);
wscrl (menu, -1);
scrollok (menu, FALSE);
}
- scroll--;
- print_item (menu, items[scroll * 2],
- items[scroll * 2 + 1], 0, TRUE);
+ d_scroll--;
+ print_item (menu, items[d_scroll * 2],
+ items[d_scroll * 2 + 1], 0, TRUE);
wnoutrefresh (menu);
/* print the up/down arrows */
wmove (dialog, box_y, box_x + tag_x + 1);
- wattrset (dialog, scroll ? uarrow_attr : menubox_attr);
- waddch (dialog, scroll ? ACS_UARROW : ACS_HLINE);
+ wattrset (dialog, d_scroll ? uarrow_attr : menubox_attr);
+ waddch (dialog, d_scroll ? ACS_UARROW : ACS_HLINE);
wmove (dialog, box_y, box_x + tag_x + 2);
- waddch (dialog, scroll ? '(' : ACS_HLINE);
+ waddch (dialog, d_scroll ? '(' : ACS_HLINE);
wmove (dialog, box_y, box_x + tag_x + 3);
- waddch (dialog, scroll ? '-' : ACS_HLINE);
+ waddch (dialog, d_scroll ? '-' : ACS_HLINE);
wmove (dialog, box_y, box_x + tag_x + 4);
- waddch (dialog, scroll ? ')' : ACS_HLINE);
+ waddch (dialog, d_scroll ? ')' : ACS_HLINE);
wattrset (dialog, darrow_attr);
wmove (dialog, box_y + menu_height + 1,
box_x + tag_x + 1);
@@ -201,21 +213,21 @@
i = choice - 1;
} else if (key == KEY_DOWN || key == '+')
if (choice == max_choice - 1) {
- if (scroll + choice < item_no - 1) {
+ if (d_scroll + choice < item_no - 1) {
/* Scroll menu up */
getyx (dialog, cur_y, cur_x);
if (menu_height > 1) {
/* De-highlight current last item */
- print_item (menu, items[(scroll + max_choice - 1)
- * 2], items[(scroll + max_choice - 1)
+ print_item (menu, items[(d_scroll + max_choice - 1)
+ * 2], items[(d_scroll + max_choice - 1)
* 2 + 1], max_choice - 1, FALSE);
scrollok (menu, TRUE);
scroll (menu);
scrollok (menu, FALSE);
}
- scroll++;
- print_item (menu, items[(scroll + max_choice - 1) * 2],
- items[(scroll + max_choice - 1) * 2 + 1],
+ d_scroll++;
+ print_item (menu, items[(d_scroll + max_choice - 1) * 2],
+ items[(d_scroll + max_choice - 1) * 2 + 1],
max_choice - 1, TRUE);
wnoutrefresh (menu);
@@ -227,21 +239,21 @@
waddstr (dialog, "(-)");
wmove (dialog, box_y + menu_height + 1,
box_x + tag_x + 1);
- wattrset (dialog, scroll + choice < item_no - 1 ?
+ wattrset (dialog, d_scroll + choice < item_no - 1 ?
darrow_attr : menubox_border_attr);
- waddch (dialog, scroll + choice < item_no - 1 ?
+ waddch (dialog, d_scroll + choice < item_no - 1 ?
ACS_DARROW : ACS_HLINE);
wmove (dialog, box_y + menu_height + 1,
box_x + tag_x + 2);
- waddch (dialog, scroll + choice < item_no - 1 ?
+ waddch (dialog, d_scroll + choice < item_no - 1 ?
'(' : ACS_HLINE);
wmove (dialog, box_y + menu_height + 1,
box_x + tag_x + 3);
- waddch (dialog, scroll + choice < item_no - 1 ?
+ waddch (dialog, d_scroll + choice < item_no - 1 ?
'+' : ACS_HLINE);
wmove (dialog, box_y + menu_height + 1,
box_x + tag_x + 4);
- waddch (dialog, scroll + choice < item_no - 1 ?
+ waddch (dialog, d_scroll + choice < item_no - 1 ?
')' : ACS_HLINE);
wmove (dialog, cur_y, cur_x);
wrefresh (dialog);
@@ -253,13 +265,13 @@
if (i != choice) {
/* De-highlight current item */
getyx (dialog, cur_y, cur_x); /* Save cursor position */
- print_item (menu, items[(scroll + choice) * 2],
- items[(scroll + choice) * 2 + 1], choice, FALSE);
+ print_item (menu, items[(d_scroll + choice) * 2],
+ items[(d_scroll + choice) * 2 + 1], choice, FALSE);
/* Highlight new item */
choice = i;
- print_item (menu, items[(scroll + choice) * 2],
- items[(scroll + choice) * 2 + 1], choice, TRUE);
+ print_item (menu, items[(d_scroll + choice) * 2],
+ items[(d_scroll + choice) * 2 + 1], choice, TRUE);
wnoutrefresh (menu);
wmove (dialog, cur_y, cur_x);
wrefresh (dialog);
@@ -271,7 +283,7 @@
case 'o':
case M_EVENT + 'O':
delwin (dialog);
- return scroll + choice;
+ return d_scroll + choice;
case 'C':
case 'c':
case M_EVENT + 'C':
@@ -297,7 +309,7 @@
break;
case '\n':
delwin (dialog);
- return (button? -2 : (scroll + choice));
+ return (button? -2 : (d_scroll + choice));
case ESC:
break;
}
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