/*
* Display the termination buttons
*/
static void print_buttons(WINDOW * dialog, int height, int width, int selected)
{
int x = width / 2 - 11, y = height - 2;
print_button(dialog, "Select", y, x, selected == 0);
print_button(dialog, " Help ", y, x + 14, selected == 1);
wmove(dialog, y, x + 1 + 14 * selected);
wrefresh(dialog);
}
/*
* Print the termination buttons
*/
static void print_buttons(WINDOW * dialog, int height, int width, int selected)
{
int x = width / 2 - 11;
int y = height - 2;
print_button(dialog, gettext(" Ok "), y, x, selected == 0);
print_button(dialog, gettext(" Help "), y, x + 14, selected == 1);
wmove(dialog, y, x + 1 + 14 * selected);
wrefresh(dialog);
}
/*
* Display termination buttons
*/
static void print_buttons(WINDOW * dialog, int height, int width, int selected)
{
int x = width / 2 - 10;
int y = height - 2;
print_button(dialog, " Yes ", y, x, selected == 0);
print_button(dialog, " No ", y, x + 13, selected == 1);
wmove(dialog, y, x + 1 + 13 * selected);
wrefresh(dialog);
}
/*
* Display the termination buttons.
*/
static void print_buttons(WINDOW * win, int height, int width, int selected)
{
int x = width / 2 - 16;
int y = height - 2;
print_button(win, gettext("Select"), y, x, selected == 0);
print_button(win, gettext(" Exit "), y, x + 12, selected == 1);
print_button(win, gettext(" Help "), y, x + 24, selected == 2);
wmove(win, y, x + 1 + 12 * selected);
wrefresh(win);
}
/*
* Display a message box. Program will pause and display an "OK" button
* if the parameter 'pause' is non-zero.
*/
int
dialog_msgbox (const char *title, const char *prompt, int height, int width,
int pause)
{
int i, x, y, key = 0;
WINDOW *dialog;
/* 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);
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, 2);
if (pause) {
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);
print_button (dialog, " Ok ",
height - 2, width / 2 - 4, TRUE);
wrefresh (dialog);
while (key != ESC && key != '\n' && key != ' ' &&
key != 'O' && key != 'o' && key != 'X' && key != 'x')
key = wgetch (dialog);
} else {
key = '\n';
wrefresh (dialog);
sleep(3);
}
delwin (dialog);
return key == ESC ? -1 : 0;
}
/*
* Display the termination buttons
*/
static void
print_buttons( WINDOW *dialog, int height, int width, int selected)
{
int x = width / 2 - 5;
int y = height - 2;
print_button (dialog, "Select", y, x, 1);
wmove(dialog, y, x+1);
wrefresh (dialog);
}
/*
* 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 text from a file in a dialog box.
*/
int dialog_textbox(const char *title, const char *tbuf,
int initial_height, int initial_width)
{
int i, x, y, cur_x, cur_y, key = 0;
int height, width, boxh, boxw;
int passed_end;
WINDOW *dialog, *box;
begin_reached = 1;
end_reached = 0;
page_length = 0;
hscroll = 0;
buf = tbuf;
page = buf; /* page is pointer to start of page to be displayed */
do_resize:
getmaxyx(stdscr, height, width);
if (height < 8 || width < 8)
return -ERRDISPLAYTOOSMALL;
if (initial_height != 0)
height = initial_height;
else
if (height > 4)
height -= 4;
else
height = 0;
if (initial_width != 0)
width = initial_width;
else
if (width > 5)
width -= 5;
else
width = 0;
/* 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);
/* Create window for box region, used for scrolling text */
boxh = height - 4;
boxw = width - 2;
box = subwin(dialog, boxh, boxw, y + 1, x + 1);
wattrset(box, dlg.dialog.atr);
wbkgdset(box, dlg.dialog.atr & A_COLOR);
keypad(box, TRUE);
/* register the new window, along with its borders */
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);
print_button(dialog, gettext(" Exit "), height - 2, width / 2 - 4, TRUE);
wnoutrefresh(dialog);
getyx(dialog, cur_y, cur_x); /* Save cursor position */
/* Print first page of text */
attr_clear(box, boxh, boxw, dlg.dialog.atr);
refresh_text_box(dialog, box, boxh, boxw, cur_y, cur_x);
while ((key != KEY_ESC) && (key != '\n')) {
key = wgetch(dialog);
switch (key) {
case 'E': /* Exit */
case 'e':
case 'X':
case 'x':
case 'q':
delwin(box);
delwin(dialog);
return 0;
case 'g': /* First page */
case KEY_HOME:
if (!begin_reached) {
begin_reached = 1;
page = buf;
refresh_text_box(dialog, box, boxh, boxw,
cur_y, cur_x);
}
break;
case 'G': /* Last page */
case KEY_END:
end_reached = 1;
/* point to last char in buf */
page = buf + strlen(buf);
back_lines(boxh);
refresh_text_box(dialog, box, boxh, boxw,
cur_y, cur_x);
break;
case 'K': /* Previous line */
case 'k':
case KEY_UP:
if (!begin_reached) {
back_lines(page_length + 1);
/* We don't call print_page() here but use
* scrolling to ensure faster screen update.
* However, 'end_reached' and 'page_length'
* should still be updated, and 'page' should
* point to start of next page. This is done
* by calling get_line() in the following
* 'for' loop. */
scrollok(box, TRUE);
wscrl(box, -1); /* Scroll box region down one line */
scrollok(box, FALSE);
page_length = 0;
passed_end = 0;
for (i = 0; i < boxh; i++) {
if (!i) {
/* print first line of page */
print_line(box, 0, boxw);
wnoutrefresh(box);
} else
/* Called to update 'end_reached' and 'page' */
get_line();
if (!passed_end)
page_length++;
if (end_reached && !passed_end)
passed_end = 1;
}
print_position(dialog);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
}
break;
case 'B': /* Previous page */
case 'b':
case 'u':
case KEY_PPAGE:
if (begin_reached)
break;
back_lines(page_length + boxh);
refresh_text_box(dialog, box, boxh, boxw,
cur_y, cur_x);
break;
case 'J': /* Next line */
case 'j':
case KEY_DOWN:
if (!end_reached) {
begin_reached = 0;
scrollok(box, TRUE);
scroll(box); /* Scroll box region up one line */
scrollok(box, FALSE);
print_line(box, boxh - 1, boxw);
wnoutrefresh(box);
print_position(dialog);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
}
break;
case KEY_NPAGE: /* Next page */
case ' ':
case 'd':
if (end_reached)
break;
begin_reached = 0;
refresh_text_box(dialog, box, boxh, boxw,
cur_y, cur_x);
break;
case '0': /* Beginning of line */
case 'H': /* Scroll left */
case 'h':
case KEY_LEFT:
if (hscroll <= 0)
break;
if (key == '0')
hscroll = 0;
else
hscroll--;
/* Reprint current page to scroll horizontally */
back_lines(page_length);
refresh_text_box(dialog, box, boxh, boxw,
cur_y, cur_x);
break;
case 'L': /* Scroll right */
case 'l':
case KEY_RIGHT:
if (hscroll >= MAX_LEN)
break;
hscroll++;
/* Reprint current page to scroll horizontally */
back_lines(page_length);
refresh_text_box(dialog, box, boxh, boxw,
cur_y, cur_x);
break;
case KEY_ESC:
key = on_key_esc(dialog);
break;
case KEY_RESIZE:
back_lines(height);
delwin(box);
delwin(dialog);
on_key_resize();
goto do_resize;
}
}
delwin(box);
delwin(dialog);
return key; /* ESC pressed */
}
/*
* Display text from a file in a dialog box.
*/
int
dialog_textbox (const char *title, const char *file, int height, int width)
{
int i, x, y, cur_x, cur_y, fpos, key = 0, dir, temp, temp1;
#ifdef HAVE_LIBNCURSES
int passed_end;
#endif
char search_term[MAX_LEN + 1], *tempptr, *found;
WINDOW *dialog, *text;
search_term[0] = '\0'; /* no search term entered yet */
/* Open input file for reading */
if ((fd = open (file, O_RDONLY)) == -1) {
endwin ();
fprintf (stderr,
"\nCan't open input file in dialog_textbox().\n");
exit (-1);
}
/* Get file size. Actually, 'file_size' is the real file size - 1,
since it's only the last byte offset from the beginning */
if ((file_size = lseek (fd, 0, SEEK_END)) == -1) {
endwin ();
fprintf (stderr, "\nError getting file size in dialog_textbox().\n");
exit (-1);
}
/* Restore file pointer to beginning of file after getting file size */
if (lseek (fd, 0, SEEK_SET) == -1) {
endwin ();
fprintf (stderr, "\nError moving file pointer in dialog_textbox().\n");
exit (-1);
}
/* Allocate space for read buffer */
if ((buf = malloc (BUF_SIZE + 1)) == NULL) {
endwin ();
fprintf (stderr, "\nCan't allocate memory in dialog_textbox().\n");
exit (-1);
}
if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) {
endwin ();
fprintf (stderr, "\nError reading file in dialog_textbox().\n");
exit (-1);
}
buf[bytes_read] = '\0'; /* mark end of valid data */
page = buf; /* page is pointer to start of page to be displayed */
/* center dialog box on screen */
x = (COLS - width) / 2;
y = (LINES - height) / 2;
#ifdef HAVE_LIBNCURSES
if (use_shadow)
draw_shadow (stdscr, y, x, height, width);
#endif
dialog = newwin (height, width, y, x);
mouse_setbase (x, y);
keypad (dialog, TRUE);
/* Create window for text region, used for scrolling text */
text = subwin (dialog, height - 4, width - 2, y + 1, x + 1);
keypad (text, TRUE);
/* register the new window, along with its borders */
mouse_mkbigregion (0, 0, height - 2, width, 1, 0, 2 /* not normal */ );
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, ' ');
}
print_button (dialog, " EXIT ", height - 2, width / 2 - 4, TRUE);
wnoutrefresh (dialog);
getyx (dialog, cur_y, cur_x); /* Save cursor position */
/* Print first page of text */
attr_clear (text, height - 4, width - 2, dialog_attr);
print_page (text, height - 4, width - 2);
print_position (dialog, height, width);
wmove (dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh (dialog);
while ((key != ESC) && (key != '\n')) {
key = mouse_wgetch (dialog);
switch (key) {
case M_EVENT + 'E':
case 'E': /* Exit */
case 'e':
delwin (dialog);
free (buf);
close (fd);
return 0;
case 'g': /* First page */
case KEY_HOME:
if (!begin_reached) {
begin_reached = 1;
/* First page not in buffer? */
if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) {
endwin ();
fprintf (stderr,
"\nError moving file pointer in dialog_textbox().\n");
exit (-1);
}
if (fpos > bytes_read) { /* Yes, we have to read it in */
if (lseek (fd, 0, SEEK_SET) == -1) {
endwin ();
fprintf (stderr, "\nError moving file pointer in "
"dialog_textbox().\n");
exit (-1);
}
if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) {
endwin ();
fprintf (stderr,
"\nError reading file in dialog_textbox().\n");
exit (-1);
}
buf[bytes_read] = '\0';
}
page = buf;
print_page (text, height - 4, width - 2);
print_position (dialog, height, width);
wmove (dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh (dialog);
}
break;
case 'G': /* Last page */
#ifdef HAVE_LIBNCURSES
case KEY_END:
#endif
end_reached = 1;
/* Last page not in buffer? */
if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) {
endwin ();
fprintf (stderr,
"\nError moving file pointer in dialog_textbox().\n");
exit (-1);
}
if (fpos < file_size) { /* Yes, we have to read it in */
if (lseek (fd, -BUF_SIZE, SEEK_END) == -1) {
endwin ();
fprintf (stderr,
"\nError moving file pointer in dialog_textbox().\n");
exit (-1);
}
if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) {
endwin ();
fprintf (stderr,
"\nError reading file in dialog_textbox().\n");
exit (-1);
}
buf[bytes_read] = '\0';
}
page = buf + bytes_read;
back_lines (height - 4);
print_page (text, height - 4, width - 2);
print_position (dialog, height, width);
wmove (dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh (dialog);
break;
case 'K': /* Previous line */
case 'k':
case KEY_UP:
if (!begin_reached) {
back_lines (page_length + 1);
#ifdef HAVE_LIBNCURSES
/* We don't call print_page() here but use scrolling to ensure
faster screen update. However, 'end_reached' and
'page_length' should still be updated, and 'page' should
point to start of next page. This is done by calling
get_line() in the following 'for' loop. */
scrollok (text, TRUE);
wscrl (text, -1); /* Scroll text region down one line */
scrollok (text, FALSE);
page_length = 0;
passed_end = 0;
for (i = 0; i < height - 4; i++) {
if (!i) {
/* print first line of page */
print_line (text, 0, width - 2);
wnoutrefresh (text);
} else
/* Called to update 'end_reached' and 'page' */
get_line ();
if (!passed_end)
page_length++;
if (end_reached && !passed_end)
passed_end = 1;
}
#else
print_page (text, height - 4, width - 2);
#endif
print_position (dialog, height, width);
wmove (dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh (dialog);
}
break;
case 'B': /* Previous page */
case 'b':
case KEY_PPAGE:
if (begin_reached)
break;
back_lines (page_length + height - 4);
print_page (text, height - 4, width - 2);
print_position (dialog, height, width);
wmove (dialog, cur_y, cur_x);
wrefresh (dialog);
break;
case 'J': /* Next line */
case 'j':
case KEY_DOWN:
if (!end_reached) {
begin_reached = 0;
scrollok (text, TRUE);
scroll (text); /* Scroll text region up one line */
scrollok (text, FALSE);
print_line (text, height - 5, width - 2);
#ifndef HAVE_LIBNCURSES
wmove (text, height - 5, 0);
waddch (text, ' ');
wmove (text, height - 5, width - 3);
waddch (text, ' ');
#endif
wnoutrefresh (text);
print_position (dialog, height, width);
wmove (dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh (dialog);
}
break;
case ' ': /* Next page */
case KEY_NPAGE:
if (end_reached)
break;
begin_reached = 0;
print_page (text, height - 4, width - 2);
print_position (dialog, height, width);
wmove (dialog, cur_y, cur_x);
wrefresh (dialog);
break;
case '0': /* Beginning of line */
case 'H': /* Scroll left */
case 'h':
case KEY_LEFT:
if (hscroll <= 0)
break;
if (key == '0')
hscroll = 0;
else
hscroll--;
/* Reprint current page to scroll horizontally */
back_lines (page_length);
print_page (text, height - 4, width - 2);
wmove (dialog, cur_y, cur_x);
wrefresh (dialog);
break;
case 'L': /* Scroll right */
case 'l':
case KEY_RIGHT:
if (hscroll >= MAX_LEN)
break;
hscroll++;
/* Reprint current page to scroll horizontally */
back_lines (page_length);
print_page (text, height - 4, width - 2);
wmove (dialog, cur_y, cur_x);
wrefresh (dialog);
break;
case '/': /* Forward search */
case 'n': /* Repeat forward search */
case '?': /* Backward search */
case 'N': /* Repeat backward search */
/* set search direction */
dir = (key == '/' || key == 'n') ? 1 : 0;
if (dir ? !end_reached : !begin_reached) {
if (key == 'n' || key == 'N') {
if (search_term[0] == '\0') { /* No search term yet */
fprintf (stderr, "\a"); /* beep */
break;
}
} else
/* Get search term from user */
if (get_search_term (text, search_term, height - 4,
width - 2) == -1) {
/* ESC pressed in get_search_term().
Reprint page to clear box */
wattrset (text, dialog_attr);
back_lines (page_length);
print_page (text, height - 4, width - 2);
wmove (dialog, cur_y, cur_x);
wrefresh (dialog);
break;
}
/* Save variables for restoring in case search term
can't be found */
tempptr = page;
temp = begin_reached;
temp1 = end_reached;
if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) {
endwin ();
fprintf (stderr, "\nError moving file pointer in "
"dialog_textbox().\n");
exit (-1);
}
fpos -= bytes_read;
/* update 'page' to point to next (previous) line before
forward (backward) searching */
back_lines (dir ? page_length - 1 : page_length + 1);
found = NULL;
if (dir) /* Forward search */
while ((found = strstr (get_line (), search_term))
== NULL) {
if (end_reached)
break;
} else /* Backward search */
while ((found = strstr (get_line (), search_term))
== NULL) {
if (begin_reached)
break;
back_lines (2);
}
if (found == NULL) { /* not found */
fprintf (stderr, "\a"); /* beep */
/* Restore program state to that before searching */
if (lseek (fd, fpos, SEEK_SET) == -1) {
endwin ();
fprintf (stderr, "\nError moving file pointer in "
"dialog_textbox().\n");
exit (-1);
}
if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) {
endwin ();
fprintf (stderr, "\nError reading file in "
"dialog_textbox().\n");
exit (-1);
}
buf[bytes_read] = '\0';
page = tempptr;
begin_reached = temp;
end_reached = temp1;
/* move 'page' to point to start of current page in order to
re-print current page. Note that 'page' always points to
start of next page, so this is necessary */
back_lines (page_length);
} else /* Search term found */
back_lines (1);
/* Reprint page */
wattrset (text, dialog_attr);
print_page (text, height - 4, width - 2);
if (found != NULL)
print_position (dialog, height, width);
wmove (dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh (dialog);
} else /* no need to find */
fprintf (stderr, "\a"); /* beep */
break;
case ESC:
break;
}
}
delwin (dialog);
free (buf);
close (fd);
return -1; /* ESC pressed */
}
/*
* Display text from a file in a dialog box.
*/
int
dialog_textbox(const char *title, const char *file, int height, int width)
{
int i, x, y, cur_x, cur_y, fpos, key = 0;
int passed_end;
char search_term[MAX_LEN + 1];
WINDOW *dialog, *text;
search_term[0] = '\0'; /* no search term entered yet */
/* Open input file for reading */
if ((fd = open(file, O_RDONLY)) == -1) {
endwin();
fprintf(stderr, "\nCan't open input file in dialog_textbox().\n");
exit(-1);
}
/* Get file size. Actually, 'file_size' is the real file size - 1,
since it's only the last byte offset from the beginning */
if ((file_size = lseek(fd, 0, SEEK_END)) == -1) {
endwin();
fprintf(stderr, "\nError getting file size in dialog_textbox().\n");
exit(-1);
}
/* Restore file pointer to beginning of file after getting file size */
if (lseek(fd, 0, SEEK_SET) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer in dialog_textbox().\n");
exit(-1);
}
/* Allocate space for read buffer */
if ((buf = malloc(BUF_SIZE + 1)) == NULL) {
endwin();
fprintf(stderr, "\nCan't allocate memory in dialog_textbox().\n");
exit(-1);
}
if ((bytes_read = read(fd, buf, BUF_SIZE)) == -1) {
endwin();
fprintf(stderr, "\nError reading file in dialog_textbox().\n");
exit(-1);
}
buf[bytes_read] = '\0'; /* mark end of valid data */
page = buf; /* page is pointer to start of page to be displayed */
/* 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);
/* Create window for text region, used for scrolling text */
text = subwin(dialog, height - 4, width - 2, y + 1, x + 1);
wattrset(text, dialog_attr);
wbkgdset(text, dialog_attr & A_COLOR);
keypad(text, TRUE);
/* register the new window, along with its borders */
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, ' ');
}
print_button(dialog, " Exit ", height - 2, width / 2 - 4, TRUE);
wnoutrefresh(dialog);
getyx(dialog, cur_y, cur_x); /* Save cursor position */
/* Print first page of text */
attr_clear(text, height - 4, width - 2, dialog_attr);
print_page(text, height - 4, width - 2);
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
while ((key != ESC) && (key != '\n')) {
key = wgetch(dialog);
switch (key) {
case 'E': /* Exit */
case 'e':
case 'X':
case 'x':
delwin(dialog);
free(buf);
close(fd);
return 0;
case 'g': /* First page */
case KEY_HOME:
if (!begin_reached) {
begin_reached = 1;
/* First page not in buffer? */
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
fprintf(stderr,
"\nError moving file pointer in dialog_textbox().\n");
exit(-1);
}
if (fpos > bytes_read) { /* Yes, we have to read it in */
if (lseek(fd, 0, SEEK_SET) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer in "
"dialog_textbox().\n");
exit(-1);
}
if ((bytes_read = read(fd, buf, BUF_SIZE)) == -1) {
endwin();
fprintf(stderr,
"\nError reading file in dialog_textbox().\n");
exit(-1);
}
buf[bytes_read] = '\0';
}
page = buf;
print_page(text, height - 4, width - 2);
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
}
break;
case 'G': /* Last page */
case KEY_END:
end_reached = 1;
/* Last page not in buffer? */
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
fprintf(stderr,
"\nError moving file pointer in dialog_textbox().\n");
exit(-1);
}
if (fpos < file_size) { /* Yes, we have to read it in */
if (lseek(fd, -BUF_SIZE, SEEK_END) == -1) {
endwin();
fprintf(stderr,
"\nError moving file pointer in dialog_textbox().\n");
exit(-1);
}
if ((bytes_read = read(fd, buf, BUF_SIZE)) == -1) {
endwin();
fprintf(stderr,
"\nError reading file in dialog_textbox().\n");
exit(-1);
}
buf[bytes_read] = '\0';
}
page = buf + bytes_read;
back_lines(height - 4);
print_page(text, height - 4, width - 2);
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
break;
case 'K': /* Previous line */
case 'k':
case KEY_UP:
if (!begin_reached) {
back_lines(page_length + 1);
/* We don't call print_page() here but use scrolling to ensure
faster screen update. However, 'end_reached' and
'page_length' should still be updated, and 'page' should
point to start of next page. This is done by calling
get_line() in the following 'for' loop. */
scrollok(text, TRUE);
wscrl(text, -1); /* Scroll text region down one line */
scrollok(text, FALSE);
page_length = 0;
passed_end = 0;
for (i = 0; i < height - 4; i++) {
if (!i) {
/* print first line of page */
print_line(text, 0, width - 2);
wnoutrefresh(text);
} else
/* Called to update 'end_reached' and 'page' */
get_line();
if (!passed_end)
page_length++;
if (end_reached && !passed_end)
passed_end = 1;
}
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
}
break;
case 'B': /* Previous page */
case 'b':
case KEY_PPAGE:
if (begin_reached)
break;
back_lines(page_length + height - 4);
print_page(text, height - 4, width - 2);
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x);
wrefresh(dialog);
break;
case 'J': /* Next line */
case 'j':
case KEY_DOWN:
if (!end_reached) {
begin_reached = 0;
scrollok(text, TRUE);
scroll(text); /* Scroll text region up one line */
scrollok(text, FALSE);
print_line(text, height - 5, width - 2);
wnoutrefresh(text);
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
}
break;
case KEY_NPAGE: /* Next page */
case ' ':
if (end_reached)
break;
begin_reached = 0;
print_page(text, height - 4, width - 2);
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x);
wrefresh(dialog);
break;
case '0': /* Beginning of line */
case 'H': /* Scroll left */
case 'h':
case KEY_LEFT:
if (hscroll <= 0)
break;
if (key == '0')
hscroll = 0;
else
hscroll--;
/* Reprint current page to scroll horizontally */
back_lines(page_length);
print_page(text, height - 4, width - 2);
wmove(dialog, cur_y, cur_x);
wrefresh(dialog);
break;
case 'L': /* Scroll right */
case 'l':
case KEY_RIGHT:
if (hscroll >= MAX_LEN)
break;
hscroll++;
/* Reprint current page to scroll horizontally */
back_lines(page_length);
print_page(text, height - 4, width - 2);
wmove(dialog, cur_y, cur_x);
wrefresh(dialog);
break;
case ESC:
break;
}
}
delwin(dialog);
free(buf);
close(fd);
return -1; /* ESC pressed */
}
/*
* Display a dialog box with a list of options that can be turned on or off
*/
int dialog_checklist(char *title, char *prompt, int height, int width, int list_height, int item_no, char **items)
{
int i, x, y, cur_x, cur_y, box_x, box_y, key = 0, button = 0, choice = 0,
scrolli = 0, max_choice, *status;
WINDOW *dialog, *list;
/* 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");
max_choice = MIN(list_height, item_no);
/* 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);
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);
print_autowrap(dialog, prompt, width, 1, 3);
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);
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 = 0;
item_x = 0;
/* Find length of longest item in order to center checklist */
for (i = 0; i < item_no; i++) {
check_x = MAX(check_x, strlen(items[i*3]) + strlen(items[i*3 + 1]) + 6);
item_x = MAX(item_x, strlen(items[i*3]));
}
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);
wnoutrefresh(list);
if (list_height < item_no) {
wattrset(dialog, darrow_attr);
wmove(dialog, box_y + list_height + 1, box_x + check_x + 5);
waddch(dialog, ACS_DARROW);
wmove(dialog, box_y + list_height + 1, box_x + check_x + 6);
waddstr(dialog, "(+)");
}
x = width/2-11;
y = height-2;
print_button(dialog, "Cancel", y, x+14, FALSE);
print_button(dialog, " OK ", y, x, TRUE);
wrefresh(dialog);
while (key != ESC) {
key = wgetch(dialog);
/* Check if key pressed matches first character of any item tag in list */
for (i = 0; i < max_choice; i++)
if (toupper(key) == toupper(items[(scrolli+i)*3][0]))
break;
if (i < max_choice || (key >= '1' && key <= MIN('9', '0'+max_choice)) ||
key == KEY_UP || key == KEY_DOWN || key == ' ' ||
key == '+' || key == '-' ) {
if (key >= '1' && key <= MIN('9', '0'+max_choice))
i = key - '1';
else if (key == KEY_UP || key == '-') {
if (!choice) {
if (scrolli) {
#ifdef BROKEN_WSCRL
/* wscrl() in ncurses 1.8.1 seems to be broken, causing a segmentation
violation when scrolling windows of height = 4, so scrolling is not
used for now */
scrolli--;
getyx(dialog, cur_y, cur_x); /* Save cursor position */
/* Reprint list to scroll down */
for (i = 0; i < max_choice; i++)
print_item(list, items[(scrolli+i)*3], items[(scrolli+i)*3 + 1], status[scrolli+i], i, i == choice);
#else
/* 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[scrolli*3], items[scrolli*3 + 1], status[scrolli], 0, FALSE);
scrollok(list, TRUE);
wscrl(list, -1);
scrollok(list, FALSE);
}
scrolli--;
print_item(list, items[scrolli*3], items[scrolli*3 + 1], status[scrolli], 0, TRUE);
#endif
wnoutrefresh(list);
/* print the up/down arrows */
wmove(dialog, box_y, box_x + check_x + 5);
wattrset(dialog, scrolli ? uarrow_attr : menubox_attr);
waddch(dialog, scrolli ? ACS_UARROW : ACS_HLINE);
wmove(dialog, box_y, box_x + check_x + 6);
waddch(dialog, scrolli ? '(' : ACS_HLINE);
wmove(dialog, box_y, box_x + check_x + 7);
waddch(dialog, scrolli ? '-' : ACS_HLINE);
wmove(dialog, box_y, box_x + check_x + 8);
waddch(dialog, scrolli ? ')' : ACS_HLINE);
wattrset(dialog, darrow_attr);
wmove(dialog, box_y + list_height + 1, box_x + check_x + 5);
waddch(dialog, ACS_DARROW);
wmove(dialog, box_y + list_height + 1, box_x + check_x + 6);
waddch(dialog, '(');
wmove(dialog, box_y + list_height + 1, box_x + check_x + 7);
waddch(dialog, '+');
wmove(dialog, box_y + list_height + 1, box_x + check_x + 8);
waddch(dialog, ')');
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
}
continue; /* wait for another key press */
}
else
i = choice - 1;
}
else if (key == KEY_DOWN || key == '+') {
if (choice == max_choice - 1) {
if (scrolli+choice < item_no-1) {
#ifdef BROKEN_WSCRL
/* wscrl() in ncurses 1.8.1 seems to be broken, causing a segmentation
violation when scrolling windows of height = 4, so scrolling is not
used for now */
scrolli++;
getyx(dialog, cur_y, cur_x); /* Save cursor position */
/* Reprint list to scroll up */
for (i = 0; i < max_choice; i++)
print_item(list, items[(scrolli+i)*3], items[(scrolli+i)*3 + 1], status[scrolli+i], i, i == choice);
#else
/* 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[(scrolli+max_choice-1)*3], items[(scrolli+max_choice-1)*3 + 1], status[scrolli+max_choice-1], max_choice-1, FALSE);
scrollok(list, TRUE);
scroll(list);
scrollok(list, FALSE);
}
scrolli++;
print_item(list, items[(scrolli+max_choice-1)*3], items[(scrolli+max_choice-1)*3 + 1], status[scrolli+max_choice-1], max_choice-1, TRUE);
#endif
wnoutrefresh(list);
/* print the up/down arrows */
wattrset(dialog, uarrow_attr);
wmove(dialog, box_y, box_x + check_x + 5);
waddch(dialog, ACS_UARROW);
wmove(dialog, box_y, box_x + check_x + 6);
waddstr(dialog, "(-)");
wmove(dialog, box_y + list_height + 1, box_x + check_x + 5);
wattrset(dialog, scrolli+choice < item_no-1 ? darrow_attr : menubox_border_attr);
waddch(dialog, scrolli+choice < item_no-1 ? ACS_DARROW : ACS_HLINE);
wmove(dialog, box_y + list_height + 1, box_x + check_x + 6);
waddch(dialog, scrolli+choice < item_no-1 ? '(' : ACS_HLINE);
wmove(dialog, box_y + list_height + 1, box_x + check_x + 7);
waddch(dialog, scrolli+choice < item_no-1 ? '+' : ACS_HLINE);
wmove(dialog, box_y + list_height + 1, box_x + check_x + 8);
waddch(dialog, scrolli+choice < item_no-1 ? ')' : ACS_HLINE);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
}
continue; /* wait for another key press */
}
else
i = choice + 1;
}
else if (key == ' ') { /* Toggle item status */
status[scrolli+choice] = !status[scrolli+choice];
getyx(dialog, cur_y, cur_x); /* Save cursor position */
wmove(list, choice, check_x);
wattrset(list, check_selected_attr);
wprintw(list, "[%c]", status[scrolli+choice] ? 'X' : ' ');
wnoutrefresh(list);
wmove(dialog, cur_y, cur_x); /* Restore cursor to previous position */
wrefresh(dialog);
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[(scrolli+choice)*3], items[(scrolli+choice)*3 + 1], status[scrolli+choice], choice, FALSE);
/* Highlight new item */
choice = i;
print_item(list, items[(scrolli+choice)*3], items[(scrolli+choice)*3 + 1], status[scrolli+choice], choice, TRUE);
wnoutrefresh(list);
wmove(dialog, cur_y, cur_x); /* Restore cursor to previous position */
wrefresh(dialog);
}
continue; /* wait for another key press */
}
switch (key) {
case 'O':
case 'o':
delwin(dialog);
for (i = 0; i < item_no; i++)
if (status[i]) {
if (separate_output) {
fprintf(stderr, "%s\n", items[i*3]);
} else {
fprintf(stderr, "\"%s\" ", items[i*3]);
}
}
free(status);
return 0;
case 'C':
case 'c':
delwin(dialog);
free(status);
return 1;
case TAB:
case KEY_LEFT:
case KEY_RIGHT:
if (!button) {
button = 1; /* Indicates "Cancel" button is selected */
print_button(dialog, " OK ", y, x, FALSE);
print_button(dialog, "Cancel", y, x+14, TRUE);
}
else {
button = 0; /* Indicates "OK" button is selected */
print_button(dialog, "Cancel", y, x+14, FALSE);
print_button(dialog, " OK ", y, x, TRUE);
}
wrefresh(dialog);
break;
case ' ':
case '\n':
delwin(dialog);
if (!button)
for (i = 0; i < item_no; i++)
if (status[i]) {
if (separate_output) {
fprintf(stderr, "%s\n", items[i*3]);
} else {
fprintf(stderr, "\"%s\" ", items[i*3]);
}
}
free(status);
return button;
case ESC:
break;
}
}
delwin(dialog);
free(status);
return -1; /* ESC pressed */
}
/*
* Display a message box. Program will pause and display an "OK" button
* if the parameter 'pause' is non-zero.
*/
int dialog_prgbox(unsigned char *title, const unsigned char *line, int height, int width, int pause, int use_shell)
{
int i, x, y, key = 0;
WINDOW *dialog;
FILE *f;
const unsigned char *name;
unsigned char *s, buf[MAX_LEN];
int status;
if (height < 0 || width < 0) {
endwin();
fprintf(stderr, "\nAutosizing is impossible in dialog_prgbox().\n");
exit(-1);
}
width = MAX(width,10);
if (width > COLS)
width = COLS;
if (height > LINES)
height = LINES;
/* center dialog box on screen */
x = DialogX ? DialogX : (COLS - width)/2;
y = DialogY ? DialogY : (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);
exit(1);
}
keypad(dialog, TRUE);
draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
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);
if (!use_shell) {
char cmdline[MAX_LEN];
char *av[51], **ap = av, *val, *p;
strcpy(cmdline, line);
p = cmdline;
while ((val = strsep(&p," \t")) != NULL) {
if (*val != '\0')
*ap++ = val;
}
*ap = NULL;
f = raw_popen(name = av[0], av, "r");
} else
f = raw_popen(name = line, NULL, "r");
status = -1;
if (f == NULL) {
err:
sprintf(buf, "%s: %s\n", name, strerror(errno));
prr:
print_autowrap(dialog, buf, height-(pause?3:1), width-2, width, 1, 2, FALSE, TRUE);
wrefresh(dialog);
} else {
while (fgets(buf, sizeof(buf), f) != NULL) {
i = strlen(buf);
if (buf[i-1] == '\n')
buf[i-1] = '\0';
s = buf;
while ((s = strchr(s, '\t')) != NULL)
*s++ = ' ';
print_autowrap(dialog, buf, height-(pause?3:1), width-2, width, 1, 2, FALSE, TRUE);
print_autowrap(dialog, "\n", height-(pause?3:1), width-2, width, 1, 2, FALSE, FALSE);
wrefresh(dialog);
}
if ((status = raw_pclose(f)) == -1)
goto err;
if (WIFEXITED(status) && WEXITSTATUS(status) == 127) {
sprintf(buf, "%s: program not found\n", name);
goto prr;
}
}
if (pause) {
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, ' ');
display_helpline(dialog, height-1, width);
print_button(dialog, " OK ", height-2, width/2-6, TRUE);
wrefresh(dialog);
while (key != ESC && key != '\n' && key != ' ' && key != '\r')
key = wgetch(dialog);
if (key == '\r')
key = '\n';
}
else {
key = '\n';
wrefresh(dialog);
}
delwin(dialog);
return (status);
}
int
ifs_cfg(char *title, char *prompt, int height, int width, int y, int x, char *dev)
{
WINDOW *w;
int i, n, k, j;
char titlez[80];
char devz[80];
int foo, done, key, set;
struct device d;
int ret = -1;
int dev_id;
init_dialog();
dialog_clear();
draw_shadow(stdscr, y, x, height, width);
w = newwin(height, width, y, x);
draw_box(w, 0, 0, height, width, dialog_attr, border_attr);
wattrset(w, border_attr);
keypad(w, TRUE);
/* draw pretty lines outside. */
/* box(w, ACS_VLINE, ACS_HLINE); */
wrefresh(w);
snprintf(titlez, sizeof(titlez), " [ %s ] ", title);
foo = ((width / 2) - strlen(title));
wmove(w, 0, foo);
wattrset(w, title_attr);
waddstr(w, titlez);
wattrset(w, border_attr);
for (i = 1; i < (height - 1); i++) {
for (n = 1; n < (width - 1); n++) {
wmove(w, i, n);
waddch(w, ' ');
}
}
draw_box(w, 2, 3, 12, 44, dialog_attr, border_attr);
wattrset(w, title_attr);
wmove(w, 4, 4);
waddstr(w, " IP ->");
draw_box(w, 3, 18, 3, 25, dialog_attr, border_attr);
wattrset(w, title_attr);
wmove(w, 7, 4);
waddstr(w, " Netmask ->");
draw_box(w, 6, 18, 3, 25, dialog_attr, border_attr);
wattrset(w, title_attr);
wmove(w, 10, 4);
waddstr(w, " Gateway ->");
draw_box(w, 9, 18, 3, 25, dialog_attr, border_attr);
print_button(w, "Cancel", height - 2, (width / 2) + 3, FALSE);
print_button(w, " OK ", height - 2, (width / 2) - 11, FALSE);
d.dhcp = DHCP_DISABLED;
if ((ret = device_exist(dev)) >= 0) {
wattrset(w, dialog_attr);
wrefresh(w);
/* fill in the previously configured values */
snprintf(d.ip, sizeof(d.ip), "%s", dev_ip(dev));
if (strlen(d.ip) > 6)
mvwprintw(w, 4, 19, "%s", d.ip);
else
bzero(d.ip, sizeof(d.ip));
snprintf(d.netmask, sizeof(d.netmask), "%s", dev_netmask(dev));
if (strlen(d.netmask) > 6)
mvwprintw(w, 7, 19, "%s", d.netmask);
else
bzero(d.netmask, sizeof(d.netmask));
snprintf(d.gateway, sizeof(d.gateway), "%s", dev_gateway(dev));
if (strlen(d.gateway) > 6)
mvwprintw(w, 10, 19, "%s", d.gateway);
else
bzero(d.gateway, sizeof(d.gateway));
snprintf(devz, sizeof(devz), "Editing device %s", dev);
wmove(w, 1, (width / 2) - (strlen(devz) / 2));
wattrset(w, dialog_attr);
waddstr(w, devz);
wrefresh(w);
} else {
bzero(d.ip, sizeof(d.ip));
bzero(d.netmask, sizeof(d.netmask));
bzero(d.gateway, sizeof(d.gateway));
snprintf(devz, sizeof(devz), "Configuring device %s", dev);
wmove(w, 1, (width / 2) - (strlen(devz) / 2));
wattrset(w, dialog_attr);
waddstr(w, devz);
}
/* start off in first window. */
done = key = set = 0;
j = 1;
while (!done) {
wrefresh(w);
switch (j) {
case 1:
wattrset(w, inputbox_attr);
wrefresh(w);
print_button(w, " OK ", height - 2, (width / 2) - 11, FALSE);
print_button(w, "Cancel", height - 2, (width / 2) + 3, FALSE);
if (strlen(d.ip) < 1)
bzero(d.ip, sizeof(d.ip));
k = line_edit(w, 4, 19, 23, 23, inputbox_attr, 1, d.ip, DialogInputAttrs);
if (k == KEY_DOWN) {
j++;
break;
} else if (k == 9) {
j++;
break;
} else if (k == KEY_UP) {
j = 1;
break;
} else if (k == 10) {
j++;
break;
}
break;
case 2:
wattrset(w, inputbox_attr);
wrefresh(w);
/*
* print_button(w, " OK
* ",height-2,(width/2)-11,FALSE);
*/
if (strlen(d.netmask) < 1)
bzero(d.netmask, sizeof(d.netmask));
k = line_edit(w, 7, 19, 23, 23, inputbox_attr, 1, d.netmask, DialogInputAttrs);
if (k == KEY_DOWN) {
j++;
break;
} else if (k == 10) {
j++;
break;
} else if (k == 9) {
j++;
break;
} else if (k == KEY_UP) {
j = 1;
break;
}
break;
case 3:
wattrset(w, inputbox_attr);
wrefresh(w);
print_button(w, " OK ", height - 2, (width / 2) - 11, FALSE);
if (strlen(d.gateway) < 1)
bzero(d.gateway, sizeof(d.gateway));
k = line_edit(w, 10, 19, 23, 23, inputbox_attr, 1, d.gateway, DialogInputAttrs);
if (k == KEY_DOWN) {
j++;
break;
} else if (k == 10) {
j++;
break;
} else if (k == 9) {
j++;
break;
} else if (k == KEY_UP) {
j--;
break;
}
break;
case 4:
wattrset(w, title_attr);
wrefresh(w);
curs_set(0);
print_button(w, " OK ", height - 2, (width / 2) - 11, TRUE);
print_button(w, "Cancel", height - 2, (width / 2) + 3, FALSE);
wrefresh(w);
key = wgetch(w);
if (key == KEY_UP) {
j--;
break;
} else if (key == 9) {
j++;
break;
} else if (key == KEY_DOWN) {
j++;
break;
} else if (key == 10) {
done = 1;
set = 1;
break;
}
break;
case 5:
wattrset(w, title_attr);
wrefresh(w);
curs_set(0);
print_button(w, " OK ", height - 2, (width / 2) - 11, FALSE);
print_button(w, "Cancel", height - 2, (width / 2) + 3, TRUE);
wrefresh(w);
key = wgetch(w);
if (key == KEY_UP) {
j = 4;
break;
} else if (key == KEY_DOWN) {
j = 4;
break;
} else if (key == 9) {
j = 1;
break;
} else if (key == 10) {
dialog_clear();
return -1;
break;
}
break;
}
}
if (strlen(d.gateway) > 1) {
ret = dialog_yesno("ClosedBSD", "Would you like this device to be the default gateway?", -1, -1);
if (ret == 0) {
if ((ext_exist()) == -1) {
d.ext = 1;
} else {
dialog_clear();
ret = dialog_yesno("ClosedBSD", "You already have a default gateway set. Overwrite?", -1, -1);
if (ret == 0) {
unset_ext(d.id);
} else {
d.ext = 0;
}
}
} else {
d.ext = 0;
}
} else
d.ext = 0;
strcpy(d.device, dev);
if (set == 1) {
dialog_clear();
dev_id = device_exist(d.device);
switch (dev_id) {
case -1:
d.id = next_device_id();
insert_device(d);
break;
default:
ret = dialog_yesno("ClosedBSD", "This device is already configured. Overwrite?", -1, -1);
if (ret == 0) {
d.id = dev_id;
insert_device(d);
break;
} else {
break;
}
}
}
dialog_clear();
wrefresh(w);
end_dialog();
return DITEM_SUCCESS | DITEM_RESTORE | DITEM_CONTINUE;
}
/*
* Print a list of buttons at the given position.
*/
void
dlg_draw_buttons(WINDOW *win,
int y, int x,
const char **labels,
int selected,
int vertical,
int limit)
{
chtype save = dlg_get_attrs(win);
int n;
int step = 0;
int length;
int longest;
int final_x;
int final_y;
int gap;
int margin;
size_t need;
char *buffer;
dlg_mouse_setbase(getbegx(win), getbegy(win));
getyx(win, final_y, final_x);
dlg_button_sizes(labels, vertical, &longest, &length);
if (vertical) {
y += 1;
step = 1;
} else {
dlg_button_x_step(labels, limit, &gap, &margin, &step);
x += margin;
}
/*
* Allocate a buffer big enough for any label.
*/
need = (size_t) longest;
for (n = 0; labels[n] != 0; ++n) {
need += strlen(labels[n]) + 1;
}
buffer = dlg_malloc(char, need);
assert_ptr(buffer, "dlg_draw_buttons");
/*
* Draw the labels.
*/
for (n = 0; labels[n] != 0; n++) {
center_label(buffer, longest, labels[n]);
mouse_mkbutton(y, x, dlg_count_columns(buffer), n);
print_button(win, buffer, y, x,
(selected == n) || (n == 0 && selected < 0));
if (selected == n)
getyx(win, final_y, final_x);
if (vertical) {
if ((y += step) > limit)
break;
} else {
if ((x += step) > limit)
break;
}
}
(void) wmove(win, final_y, final_x);
wrefresh(win);
free(buffer);
wattrset(win, save);
}
