Exemplo n.º 1
0
void
dlg_dump_keys(FILE *fp)
{
    LIST_BINDINGS *p;
    const char *last = "";
    unsigned n;
    unsigned count = 0;

    for (p = all_bindings; p != 0; p = p->link) {
	if (p->win == 0) {
	    ++count;
	}
    }
    if (count != 0) {
	for (p = all_bindings, n = 0; p != 0; p = p->link) {
	    if (p->win == 0) {
		if (dlg_strcmp(last, p->name)) {
		    fprintf(fp, "\n# key bindings for %s widgets\n",
			    !strcmp(p->name, "*") ? "all" : p->name);
		    last = p->name;
		}
		dump_one_binding(fp, p->name, p->binding);
	    }
	}
    }
}
Exemplo n.º 2
0
static int
find_vars(char *name)
{
    int result = -1;
    unsigned i;

    for (i = 0; i < VAR_COUNT; i++) {
        if (dlg_strcmp(vars[i].name, name) == 0) {
            result = (int) i;
            break;
        }
    }
    return result;
}
Exemplo n.º 3
0
static int
find_color(char *name)
{
    int result = -1;
    int i;
    int limit = dlg_color_count();

    for (i = 0; i < limit; i++) {
        if (dlg_strcmp(dlg_color_table[i].name, name) == 0) {
            result = i;
            break;
        }
    }
    return result;
}
Exemplo n.º 4
0
/*
 * Find a user-defined binding, given the curses key code.
 */
static DLG_KEYS_BINDING *
find_binding(char *widget, int curses_key)
{
    LIST_BINDINGS *p;
    DLG_KEYS_BINDING *result = 0;

    for (p = all_bindings; p != 0; p = p->link) {
	if (p->win == 0
	    && !dlg_strcmp(p->name, widget)
	    && p->binding->curses_key == curses_key) {
	    result = p->binding;
	    break;
	}
    }
    return result;
}
Exemplo n.º 5
0
/*
 * Unlike dlg_lookup_key(), this looks for either widget-builtin or rc-file
 * definitions, depending on whether 'win' is null.
 */
static int
key_is_bound(WINDOW *win, const char *name, int curses_key, int function_key)
{
    LIST_BINDINGS *p;

    for (p = all_bindings; p != 0; p = p->link) {
	if (p->win == win && !dlg_strcmp(p->name, name)) {
	    int n;
	    for (n = 0; p->binding[n].is_function_key >= 0; ++n) {
		if (p->binding[n].curses_key == curses_key
		    && p->binding[n].is_function_key == function_key) {
		    return TRUE;
		}
	    }
	}
    }
    return FALSE;
}
Exemplo n.º 6
0
/*
 * Check if the line begins with a special keyword; if so, return true while
 * pointing params to its parameters.
 */
static int
begins_with(char *line, const char *keyword, char **params)
{
    int i = skip_whitespace(line, 0);
    int j = skip_keyword(line, i);

    if ((j - i) == (int) strlen(keyword)) {
        char save = line[j];
        line[j] = 0;
        if (!dlg_strcmp(keyword, line + i)) {
            *params = line + skip_whitespace(line, j + 1);
            return 1;
        }
        line[j] = save;
    }

    return 0;
}
Exemplo n.º 7
0
/*
 * Built-in bindings have a nonzero "win" member, and the associated binding
 * table can have more than one entry.  We keep those last, since lookups will
 * find the user-defined bindings first and use those.
 *
 * Sort "*" (all-widgets) entries past named widgets, since those are less
 * specific.
 */
static int
compare_bindings(LIST_BINDINGS * a, LIST_BINDINGS * b)
{
    int result = 0;
    if (a->win == b->win) {
	if (!strcmp(a->name, b->name)) {
	    result = a->binding[0].curses_key - b->binding[0].curses_key;
	} else if (!strcmp(b->name, "*")) {
	    result = -1;
	} else if (!strcmp(a->name, "*")) {
	    result = 1;
	} else {
	    result = dlg_strcmp(a->name, b->name);
	}
    } else if (b->win) {
	result = -1;
    } else {
	result = 1;
    }
    return result;
}
Exemplo n.º 8
0
/*
 * Dump bindings for the given window.  If it is a null, then this dumps the
 * initial bindings which were loaded from the rc-file that are used as
 * overall defaults.
 */
void
dlg_dump_window_keys(FILE *fp, WINDOW *win)
{
    if (fp != 0) {
	LIST_BINDINGS *p;
	DLG_KEYS_BINDING *q;
	const char *last = "";

	for (p = all_bindings; p != 0; p = p->link) {
	    if (p->win == win) {
		if (dlg_strcmp(last, p->name)) {
		    fprintf(fp, "\n# key bindings for %s widgets\n",
			    !strcmp(p->name, WILDNAME) ? "all" : p->name);
		    last = p->name;
		}
		for (q = p->binding; q->is_function_key >= 0; ++q) {
		    dump_one_binding(fp, p->name, q);
		}
	    }
	}
    }
}
Exemplo n.º 9
0
/*
 * Parse the parameters of the "bindkeys" configuration-file entry.  This
 * expects widget name which may be "*", followed by curses key definition and
 * then dialog key definition.
 *
 * The curses key "should" be one of the names (ignoring case) from
 * curses_names[], but may also be a single control character (prefix "^" or
 * "~" depending on whether it is C0 or C1), or an escaped single character.
 * Binding a printable character with dialog is possible but not useful.
 *
 * The dialog key must be one of the names from dialog_names[].
 */
int
dlg_parse_bindkey(char *params)
{
    char *p = skip_white(params);
    char *q;
    bool escaped = FALSE;
    int modified = 0;
    int result = FALSE;
    unsigned xx;
    char *widget;
    int is_function = FALSE;
    int curses_key;
    int dialog_key;

    curses_key = -1;
    dialog_key = -1;
    widget = p;

    p = skip_black(p);
    if (p != widget && *p != '\0') {
	*p++ = '\0';
	q = p;
	while (*p != '\0' && curses_key < 0) {
	    if (escaped) {
		escaped = FALSE;
		curses_key = *p;
	    } else if (*p == '\\') {
		escaped = TRUE;
	    } else if (modified) {
		if (*p == '?') {
		    curses_key = ((modified == '^')
				  ? 127
				  : 255);
		} else {
		    curses_key = ((modified == '^')
				  ? (*p & 0x1f)
				  : ((*p & 0x1f) | 0x80));
		}
	    } else if (*p == '^') {
		modified = *p;
	    } else if (*p == '~') {
		modified = *p;
	    } else if (isspace(UCH(*p))) {
		break;
	    }
	    ++p;
	}
	if (!isspace(UCH(*p))) {
	    ;
	} else {
	    *p++ = '\0';
	    if (curses_key < 0) {
		char fprefix[2];
		char check[2];
		int keynumber;
		if (sscanf(q, "%[Ff]%d%c", fprefix, &keynumber, check) == 2) {
		    curses_key = KEY_F(keynumber);
		    is_function = TRUE;
		} else {
		    for (xx = 0; xx < COUNT_CURSES; ++xx) {
			if (!dlg_strcmp(curses_names[xx].name, q)) {
			    curses_key = curses_names[xx].code;
			    is_function = TRUE;
			    break;
			}
		    }
		}
	    }
	}
	q = skip_white(p);
	p = skip_black(q);
	if (p != q) {
	    for (xx = 0; xx < COUNT_DIALOG; ++xx) {
		if (!dlg_strcmp(dialog_names[xx].name, q)) {
		    dialog_key = dialog_names[xx].code;
		    break;
		}
	    }
	}
	if (*widget != '\0'
	    && curses_key >= 0
	    && dialog_key >= 0
	    && make_binding(widget, curses_key, is_function, dialog_key) != 0) {
	    result = TRUE;
	}
    }
    return result;
}
Exemplo n.º 10
0
/*
 * 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 *cprompt, int height, int width,
		 int list_height, int item_no, char **items, int flag,
		 int separate_output)
{
    int i, j, key2, found, x, y, cur_x, cur_y, box_x, box_y;
    int key = 0, fkey;
    int button = 0;
    int choice = 0;
    int scrollamt = 0;
    int max_choice, *status;
    int use_width, name_width, text_width;
    int result = DLG_EXIT_UNKNOWN;
    WINDOW *dialog, *list;
    char *prompt = strclone(cprompt);
    const char **buttons = dlg_ok_labels();

    tab_correct_str(prompt);
    if (list_height == 0) {
	use_width = calc_listw(item_no, items, CHECKBOX_TAGS) + 10;
	/* calculate height without items (4) */
	auto_size(title, prompt, &height, &width, 4, MAX(26, use_width));
	calc_listh(&height, &list_height, item_no);
    } else {
	auto_size(title, prompt, &height, &width, 4 + list_height, 26);
    }
    print_size(height, width);
    ctl_size(height, width);

    checkflag = flag;

    /* Allocate space for storing item on/off status */
    status = malloc(sizeof(int) * item_no);
    assert_ptr(status, "dialog_checklist");

    /* Initializes status */
    for (i = 0; i < item_no; i++)
	status[i] = !dlg_strcmp(ItemStatus(i), "on");

    max_choice = MIN(list_height, item_no);

    x = box_x_ordinate(width);
    y = box_y_ordinate(height);

    dialog = new_window(height, width, y, x);

    mouse_setbase(x, y);

    draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
    draw_bottom_box(dialog);
    draw_title(dialog, title);

    wattrset(dialog, dialog_attr);
    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;

    /* create new window for the list */
    list = sub_window(dialog, list_height, list_width,
		      y + box_y + 1, x + box_x + 1);

    /* draw a box around the list items */
    draw_box(dialog, box_y, box_x,
	     list_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, (int) strlen(ItemText(i)));
	name_width = MAX(name_width, (int) strlen(ItemName(i)));
    }

    /* 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 = 0.25 * use_width;
	if (name_width > need) {
	    int want = 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;

    /* Print the list */
    for (i = 0; i < max_choice; i++)
	print_item(list,
		   ItemData(i),
		   status[i], i, i == choice);
    (void) wnoutrefresh(list);

    /* register the new window, along with its borders */
    mouse_mkbigregion(box_y + 1, box_x, list_height, list_width + 2,
		      KEY_MAX, 1, 1, 1 /* by lines */ );

    dlg_draw_arrows(dialog, scrollamt,
		    scrollamt + max_choice < item_no - 1,
		    box_x + check_x + 5,
		    box_y,
		    box_y + list_height + 1);

    dlg_draw_buttons(dialog, height - 2, 0, buttons, 0, FALSE, width);

    wtimeout(dialog, WTIMEOUT_VAL);

    while (result == DLG_EXIT_UNKNOWN) {
	key = mouse_wgetch(dialog, &fkey);

	if (fkey && (key >= (M_EVENT + KEY_MAX))) {
	    getyx(dialog, cur_y, cur_x);
	    /* De-highlight current item */
	    print_item(list,
		       ItemData(scrollamt + choice),
		       status[scrollamt + choice], choice, FALSE);
	    /* Highlight new item */
	    choice = (key - (M_EVENT + KEY_MAX));
	    print_item(list,
		       ItemData(scrollamt + choice),
		       status[scrollamt + choice], choice, TRUE);
	    (void) wnoutrefresh(list);
	    (void) wmove(dialog, cur_y, cur_x);

	    key = ' ';		/* force the selected item to toggle */
	    fkey = FALSE;
	}

	/*
	 * 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 == ' ') {
	    getyx(dialog, cur_y, cur_x);
	    if (flag == FLAG_CHECK) {	/* checklist? */
		status[scrollamt + choice] = !status[scrollamt + choice];
		print_item(list,
			   ItemData(scrollamt + choice),
			   status[scrollamt + choice], choice, TRUE);
	    } else {		/* radiolist */
		if (!status[scrollamt + choice]) {
		    for (i = 0; i < item_no; i++)
			status[i] = FALSE;
		    status[scrollamt + choice] = TRUE;
		    for (i = 0; i < max_choice; i++)
			print_item(list,
				   ItemData(scrollamt + i),
				   status[scrollamt + i], i, i == choice);
		}
	    }
	    (void) wnoutrefresh(list);
	    (void) wmove(dialog, cur_y, cur_x);
	    wrefresh(dialog);
	    continue;		/* wait for another key press */
	} else if (key == ESC) {
	    result = DLG_EXIT_ESC;
	    continue;
	}

	if (!fkey) {
	    fkey = TRUE;
	    switch (key) {
	    case '\n':
	    case '\r':
		key = KEY_ENTER;
		break;
	    case '-':
		key = KEY_UP;
		break;
	    case '+':
		key = KEY_DOWN;
		break;
	    case TAB:
		key = KEY_RIGHT;
		break;
	    default:
		fkey = FALSE;
		break;
	    }
	}

	/*
	 * 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) {
	    for (j = scrollamt + choice + 1; j < item_no; j++) {
		if (dlg_match_char(dlg_last_getc(), ItemName(j))) {
		    found = TRUE;
		    i = j - scrollamt;
		    break;
		}
	    }
	    if (!found) {
		for (j = 0; j <= scrollamt + choice; j++) {
		    if (dlg_match_char(dlg_last_getc(), ItemName(j))) {
			found = TRUE;
			i = j - scrollamt;
			break;
		    }
		}
	    }
	    if (found)
		dlg_flush_getc();
	}

	/*
	 * 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 KEY_HOME:
		    i = -scrollamt;
		    break;
		case KEY_LL:
		case KEY_END:
		    i = item_no - 1 - scrollamt;
		    break;
		case M_EVENT + KEY_PPAGE:
		case KEY_PPAGE:
		    if (choice)
			i = 0;
		    else if (scrollamt != 0)
			i = -MIN(scrollamt, max_choice);
		    else
			continue;
		    break;
		case M_EVENT + KEY_NPAGE:
		case KEY_NPAGE:
		    i = MIN(choice + max_choice, item_no - scrollamt - 1);
		    break;
		case KEY_UP:
		    i = choice - 1;
		    if (choice == 0 && scrollamt == 0)
			continue;
		    break;
		case KEY_DOWN:
		    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 (list_height > 1) {
			    /* De-highlight current first item */
			    print_item(list,
				       ItemData(scrollamt),
				       status[scrollamt], 0, FALSE);
			    scrollok(list, TRUE);
			    wscrl(list, -1);
			    scrollok(list, FALSE);
			}
			scrollamt--;
			print_item(list,
				   ItemData(scrollamt),
				   status[scrollamt], 0, TRUE);
		    } else if (i == max_choice) {
			if (list_height > 1) {
			    /* De-highlight current last item before scrolling up */
			    print_item(list,
				       ItemData(scrollamt + max_choice - 1),
				       status[scrollamt + max_choice - 1],
				       max_choice - 1, FALSE);
			    scrollok(list, TRUE);
			    wscrl(list, 1);
			    scrollok(list, FALSE);
			}
			scrollamt++;
			print_item(list,
				   ItemData(scrollamt + max_choice - 1),
				   status[scrollamt + max_choice - 1],
				   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,
				       ItemData(scrollamt + i),
				       status[scrollamt + i], i, i == choice);
			}
		    }
		    (void) wnoutrefresh(list);
		    dlg_draw_arrows(dialog, scrollamt,
				    scrollamt + choice < item_no - 1,
				    box_x + check_x + 5,
				    box_y,
				    box_y + list_height + 1);
		} else {
		    /* De-highlight current item */
		    print_item(list,
			       ItemData(scrollamt + choice),
			       status[scrollamt + choice], choice, FALSE);
		    /* Highlight new item */
		    choice = i;
		    print_item(list,
			       ItemData(scrollamt + choice),
			       status[scrollamt + choice], choice, TRUE);
		    (void) wnoutrefresh(list);
		    (void) wmove(dialog, cur_y, cur_x);
		    wrefresh(dialog);
		}
	    }
	    continue;		/* wait for another key press */
	}

	if (fkey) {
	    switch (key) {
	    case KEY_ENTER:
		result = dlg_ok_buttoncode(button);
		break;
	    case KEY_BTAB:
	    case KEY_LEFT:
		button = dlg_prev_button(buttons, button);
		dlg_draw_buttons(dialog, height - 2, 0, buttons, button,
				 FALSE, width);
		break;
	    case KEY_RIGHT:
		button = dlg_next_button(buttons, button);
		dlg_draw_buttons(dialog, height - 2, 0, buttons, button,
				 FALSE, width);
		break;
	    default:
		if (key >= M_EVENT) {
		    if ((key2 = dlg_ok_buttoncode(key - M_EVENT)) >= 0) {
			result = key2;
			break;
		    }
		    beep();
		}
	    }
	} else {
	    beep();
	}
    }

    del_window(dialog);
    switch (result) {
    case DLG_EXIT_OK:		/* FALLTHRU */
    case DLG_EXIT_EXTRA:
	for (i = 0; i < item_no; i++) {
	    if (status[i]) {
		if (flag == FLAG_CHECK) {
		    if (separate_output) {
			dlg_add_result(ItemName(i));
			dlg_add_result("\n");
		    } else {
			dlg_add_result("\"");
			dlg_add_result(ItemName(i));
			dlg_add_result("\" ");
		    }
		} else {
		    dlg_add_result(ItemName(i));
		}
	    }
	}
	break;
    case DLG_EXIT_HELP:
	dlg_add_result("HELP ");
	if (USE_ITEM_HELP(ItemHelp(scrollamt + choice))) {
	    dlg_add_result(ItemHelp(scrollamt + choice));
	    result = DLG_EXIT_OK;	/* this is inconsistent */
	} else {
	    dlg_add_result(ItemName(scrollamt + choice));
	}
	break;
    }
    mouse_free_regions();
    free(status);
    free(prompt);
    return result;
}
Exemplo n.º 11
0
/*
 * 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 *cprompt,
		 int height,
		 int width,
		 int list_height,
		 int item_no,
		 char **items,
		 int flag)
{
    int result;
    int i, j;
    DIALOG_LISTITEM *listitems;
    bool separate_output = ((flag == FLAG_CHECK)
			    && (dialog_vars.separate_output));
    bool show_status = FALSE;
    int current = 0;
    char *help_result;

    listitems = dlg_calloc(DIALOG_LISTITEM, (size_t) item_no + 1);
    assert_ptr(listitems, "dialog_checklist");

    for (i = j = 0; i < item_no; ++i) {
	listitems[i].name = items[j++];
	listitems[i].text = (dialog_vars.no_items
			     ? dlg_strempty()
			     : items[j++]);
	listitems[i].state = !dlg_strcmp(items[j++], "on");
	listitems[i].help = ((dialog_vars.item_help)
			     ? items[j++]
			     : dlg_strempty());
    }
    dlg_align_columns(&listitems[0].text, (int) sizeof(DIALOG_LISTITEM), item_no);

    result = dlg_checklist(title,
			   cprompt,
			   height,
			   width,
			   list_height,
			   item_no,
			   listitems,
			   NULL,
			   flag,
			   &current);

    switch (result) {
    case DLG_EXIT_OK:		/* FALLTHRU */
    case DLG_EXIT_EXTRA:
	show_status = TRUE;
	break;
    case DLG_EXIT_HELP:
	dlg_add_help_listitem(&result, &help_result, &listitems[current]);
	if ((show_status = dialog_vars.help_status)) {
	    if (separate_output) {
		dlg_add_string(help_result);
		dlg_add_separator();
	    } else {
		dlg_add_quoted(help_result);
	    }
	} else {
	    dlg_add_string(help_result);
	}
	break;
    }

    if (show_status) {
	for (i = 0; i < item_no; i++) {
	    if (listitems[i].state) {
		if (separate_output) {
		    dlg_add_string(listitems[i].name);
		    dlg_add_separator();
		} else {
		    if (dlg_need_separator())
			dlg_add_separator();
		    if (flag == FLAG_CHECK)
			dlg_add_quoted(listitems[i].name);
		    else
			dlg_add_string(listitems[i].name);
		}
	    }
	}
	dlg_add_last_key(separate_output);
    }

    dlg_free_columns(&listitems[0].text, (int) sizeof(DIALOG_LISTITEM), item_no);
    free(listitems);
    return result;
}
Exemplo n.º 12
0
/*
 * Parse the configuration file and set up variables
 */
int
dlg_parse_rc(void)
{
    int i;
    int l = 1;
    PARSE_LINE parse;
    char str[MAX_LEN + 1];
    char *var;
    char *value;
    char *tempptr;
    int result = 0;
    FILE *rc_file = 0;
    char *params;

    /*
     *  At startup, dialog determines the settings to use as follows:
     *
     *  a) if the environment variable $DIALOGRC is set, its value determines
     *     the name of the configuration file.
     *
     *  b) if the file in (a) can't be found, use the file $HOME/.dialogrc
     *     as the configuration file.
     *
     *  c) if the file in (b) can't be found, try using the GLOBALRC file.
     *     Usually this will be /etc/dialogrc.
     *
     *  d) if the file in (c) cannot be found, use the compiled-in defaults.
     */

    /* try step (a) */
    if ((tempptr = getenv("DIALOGRC")) != NULL)
        rc_file = fopen(tempptr, "rt");

    if (rc_file == NULL) {	/* step (a) failed? */
        /* try step (b) */
        if ((tempptr = getenv("HOME")) != NULL
                && strlen(tempptr) < MAX_LEN - (sizeof(DIALOGRC) + 3)) {
            if (tempptr[0] == '\0' || lastch(tempptr) == '/')
                sprintf(str, "%s%s", tempptr, DIALOGRC);
            else
                sprintf(str, "%s/%s", tempptr, DIALOGRC);
            rc_file = fopen(tempptr = str, "rt");
        }
    }

    if (rc_file == NULL) {	/* step (b) failed? */
        /* try step (c) */
        strcpy(str, GLOBALRC);
        if ((rc_file = fopen(tempptr = str, "rt")) == NULL)
            return 0;		/* step (c) failed, use default values */
    }

    DLG_TRACE(("opened rc file \"%s\"\n", tempptr));
    /* Scan each line and set variables */
    while ((result == 0) && (fgets(str, MAX_LEN, rc_file) != NULL)) {
        DLG_TRACE(("rc:%s", str));
        if (*str == '\0' || lastch(str) != '\n') {
            /* ignore rest of file if line too long */
            fprintf(stderr, "\nParse error: line %d of configuration"
                    " file too long.\n", l);
            result = -1;	/* parse aborted */
            break;
        }

        lastch(str) = '\0';
        if (begins_with(str, "bindkey", &params)) {
            if (!dlg_parse_bindkey(params)) {
                fprintf(stderr, "\nParse error: line %d of configuration\n", l);
                result = -1;
            }
            continue;
        }
        parse = parse_line(str, &var, &value);	/* parse current line */

        switch (parse) {
        case LINE_EMPTY:	/* ignore blank lines and comments */
            break;
        case LINE_EQUALS:
            /* search table for matching config variable name */
            if ((i = find_vars(var)) >= 0) {
                switch (vars[i].type) {
                case VAL_INT:
                    *((int *) vars[i].var) = atoi(value);
                    break;
                case VAL_STR:
                    if (!isquote(value[0]) || !isquote(lastch(value))
                            || strlen(value) < 2) {
                        fprintf(stderr, "\nParse error: string value "
                                "expected at line %d of configuration "
                                "file.\n", l);
                        result = -1;	/* parse aborted */
                    } else {
                        /* remove the (") quotes */
                        value++;
                        lastch(value) = '\0';
                        strcpy((char *) vars[i].var, value);
                    }
                    break;
                case VAL_BOOL:
                    if (!dlg_strcmp(value, "ON"))
                        *((bool *) vars[i].var) = TRUE;
                    else if (!dlg_strcmp(value, "OFF"))
                        *((bool *) vars[i].var) = FALSE;
                    else {
                        fprintf(stderr, "\nParse error: boolean value "
                                "expected at line %d of configuration "
                                "file (found %s).\n", l, value);
                        result = -1;	/* parse aborted */
                    }
                    break;
                }
#ifdef HAVE_COLOR
            } else if ((i = find_color(var)) >= 0) {
                int fg = 0;
                int bg = 0;
                int hl = 0;
                if (str_to_attr(value, &fg, &bg, &hl) == -1) {
                    fprintf(stderr, "\nParse error: attribute "
                            "value expected at line %d of configuration "
                            "file.\n", l);
                    result = -1;	/* parse aborted */
                } else {
                    dlg_color_table[i].fg = fg;
                    dlg_color_table[i].bg = bg;
                    dlg_color_table[i].hilite = hl;
                }
            } else {
#endif /* HAVE_COLOR */
                fprintf(stderr, "\nParse error: unknown variable "
                        "at line %d of configuration file:\n\t%s\n", l, var);
                result = -1;	/* parse aborted */
            }
            break;
        case LINE_ERROR:
            fprintf(stderr, "\nParse error: syntax error at line %d of "
                    "configuration file.\n", l);
            result = -1;	/* parse aborted */
            break;
        }
        l++;			/* next line */
    }

    (void) fclose(rc_file);
    return result;
}
Exemplo n.º 13
0
/*
 * Extract the foreground, background and highlight values from an attribute
 * represented as a string in one of two forms:
 *
 * "(foreground,background,highlight)"
 " "xxxx_color"
 */
static int
str_to_attr(char *str, int *fg, int *bg, int *hl)
{
    int i = 0, get_fg = 1;
    unsigned j;
    char tempstr[MAX_LEN + 1], *part;

    if (str[0] != '(' || lastch(str) != ')') {
        if ((i = find_color(str)) >= 0) {
            *fg = dlg_color_table[i].fg;
            *bg = dlg_color_table[i].bg;
            *hl = dlg_color_table[i].hilite;
            return 0;
        }
        return -1;		/* invalid representation */
    }

    /* remove the parenthesis */
    strcpy(tempstr, str + 1);
    lastch(tempstr) = '\0';

    /* get foreground and background */

    while (1) {
        /* skip white space before fg/bg string */
        i = skip_whitespace(tempstr, i);
        if (tempstr[i] == '\0')
            return -1;		/* invalid representation */
        part = tempstr + i;	/* set 'part' to start of fg/bg string */

        /* find end of fg/bg string */
        while (!whitespace(tempstr[i]) && tempstr[i] != ','
                && tempstr[i] != '\0')
            i++;

        if (tempstr[i] == '\0')
            return -1;		/* invalid representation */
        else if (whitespace(tempstr[i])) {	/* not yet ',' */
            tempstr[i++] = '\0';

            /* skip white space before ',' */
            i = skip_whitespace(tempstr, i);
            if (tempstr[i] != ',')
                return -1;	/* invalid representation */
        }
        tempstr[i++] = '\0';	/* skip the ',' */
        for (j = 0; j < COLOR_COUNT && dlg_strcmp(part, color_names[j].name);
                j++) ;
        if (j == COLOR_COUNT)	/* invalid color name */
            return -1;
        if (get_fg) {
            *fg = color_names[j].value;
            get_fg = 0;		/* next we have to get the background */
        } else {
            *bg = color_names[j].value;
            break;
        }
    }				/* got foreground and background */

    /* get highlight */

    /* skip white space before highlight string */
    i = skip_whitespace(tempstr, i);
    if (tempstr[i] == '\0')
        return -1;		/* invalid representation */
    part = tempstr + i;		/* set 'part' to start of highlight string */

    /* trim trailing white space from highlight string */
    i = (int) strlen(part) - 1;
    while (whitespace(part[i]) && i > 0)
        i--;
    part[i + 1] = '\0';

    if (!dlg_strcmp(part, "ON"))
        *hl = TRUE;
    else if (!dlg_strcmp(part, "OFF"))
        *hl = FALSE;
    else
        return -1;		/* invalid highlight value */

    return 0;
}
Exemplo n.º 14
0
/*
 * 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 *cprompt,
		 int height,
		 int width,
		 int list_height,
		 int item_no,
		 char **items,
		 int flag)
{
    int result;
    int i;
    DIALOG_LISTITEM *listitems;
    bool separate_output = ((flag == FLAG_CHECK)
			    && (dialog_vars.separate_output));
    bool show_status = FALSE;
    int current = 0;

    listitems = dlg_calloc(DIALOG_LISTITEM, (size_t) item_no + 1);
    assert_ptr(listitems, "dialog_checklist");

    for (i = 0; i < item_no; ++i) {
	listitems[i].name = ItemName(i);
	listitems[i].text = ItemText(i);
	listitems[i].help = ((dialog_vars.item_help)
			     ? ItemHelp(i)
			     : dlg_strempty());
	listitems[i].state = !dlg_strcmp(ItemStatus(i), "on");
    }
    dlg_align_columns(&listitems[0].text, (int) sizeof(DIALOG_LISTITEM), item_no);

    result = dlg_checklist(title,
			   cprompt,
			   height,
			   width,
			   list_height,
			   item_no,
			   listitems,
			   NULL,
			   flag,
			   &current);

    switch (result) {
    case DLG_EXIT_OK:		/* FALLTHRU */
    case DLG_EXIT_EXTRA:
	show_status = TRUE;
	break;
    case DLG_EXIT_HELP:
	dlg_add_result("HELP ");
	show_status = dialog_vars.help_status;
	if (USE_ITEM_HELP(listitems[current].help)) {
	    if (show_status) {
		if (separate_output) {
		    dlg_add_string(listitems[current].help);
		    dlg_add_separator();
		} else {
		    dlg_add_quoted(listitems[current].help);
		}
	    } else {
		dlg_add_string(listitems[current].help);
	    }
	    result = DLG_EXIT_ITEM_HELP;
	} else {
	    if (show_status) {
		if (separate_output) {
		    dlg_add_string(listitems[current].name);
		    dlg_add_separator();
		} else {
		    dlg_add_quoted(listitems[current].name);
		}
	    } else {
		dlg_add_string(listitems[current].name);
	    }
	}
	break;
    }

    if (show_status) {
	for (i = 0; i < item_no; i++) {
	    if (listitems[i].state) {
		if (separate_output) {
		    dlg_add_string(listitems[i].name);
		    dlg_add_separator();
		} else {
		    if (dlg_need_separator())
			dlg_add_separator();
		    dlg_add_string(listitems[i].name);
		}
	    }
	}
    }

    dlg_free_columns(&listitems[0].text, (int) sizeof(DIALOG_LISTITEM), item_no);
    free(listitems);
    return result;
}