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[/] [test_project/] [trunk/] [linux_sd_driver/] [scripts/] [kconfig/] [lxdialog/] [util.c] - Blame information for rev 62

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/*
 *  util.c
 *
 *  ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
 *  MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
#include "dialog.h"
 
struct dialog_info dlg;
 
static void set_mono_theme(void)
{
        dlg.screen.atr = A_NORMAL;
        dlg.shadow.atr = A_NORMAL;
        dlg.dialog.atr = A_NORMAL;
        dlg.title.atr = A_BOLD;
        dlg.border.atr = A_NORMAL;
        dlg.button_active.atr = A_REVERSE;
        dlg.button_inactive.atr = A_DIM;
        dlg.button_key_active.atr = A_REVERSE;
        dlg.button_key_inactive.atr = A_BOLD;
        dlg.button_label_active.atr = A_REVERSE;
        dlg.button_label_inactive.atr = A_NORMAL;
        dlg.inputbox.atr = A_NORMAL;
        dlg.inputbox_border.atr = A_NORMAL;
        dlg.searchbox.atr = A_NORMAL;
        dlg.searchbox_title.atr = A_BOLD;
        dlg.searchbox_border.atr = A_NORMAL;
        dlg.position_indicator.atr = A_BOLD;
        dlg.menubox.atr = A_NORMAL;
        dlg.menubox_border.atr = A_NORMAL;
        dlg.item.atr = A_NORMAL;
        dlg.item_selected.atr = A_REVERSE;
        dlg.tag.atr = A_BOLD;
        dlg.tag_selected.atr = A_REVERSE;
        dlg.tag_key.atr = A_BOLD;
        dlg.tag_key_selected.atr = A_REVERSE;
        dlg.check.atr = A_BOLD;
        dlg.check_selected.atr = A_REVERSE;
        dlg.uarrow.atr = A_BOLD;
        dlg.darrow.atr = A_BOLD;
}
 
#define DLG_COLOR(dialog, f, b, h) \
do {                               \
        dlg.dialog.fg = (f);       \
        dlg.dialog.bg = (b);       \
        dlg.dialog.hl = (h);       \
} while (0)
 
static void set_classic_theme(void)
{
        DLG_COLOR(screen,                COLOR_CYAN,   COLOR_BLUE,   true);
        DLG_COLOR(shadow,                COLOR_BLACK,  COLOR_BLACK,  true);
        DLG_COLOR(dialog,                COLOR_BLACK,  COLOR_WHITE,  false);
        DLG_COLOR(title,                 COLOR_YELLOW, COLOR_WHITE,  true);
        DLG_COLOR(border,                COLOR_WHITE,  COLOR_WHITE,  true);
        DLG_COLOR(button_active,         COLOR_WHITE,  COLOR_BLUE,   true);
        DLG_COLOR(button_inactive,       COLOR_BLACK,  COLOR_WHITE,  false);
        DLG_COLOR(button_key_active,     COLOR_WHITE,  COLOR_BLUE,   true);
        DLG_COLOR(button_key_inactive,   COLOR_RED,    COLOR_WHITE,  false);
        DLG_COLOR(button_label_active,   COLOR_YELLOW, COLOR_BLUE,   true);
        DLG_COLOR(button_label_inactive, COLOR_BLACK,  COLOR_WHITE,  true);
        DLG_COLOR(inputbox,              COLOR_BLACK,  COLOR_WHITE,  false);
        DLG_COLOR(inputbox_border,       COLOR_BLACK,  COLOR_WHITE,  false);
        DLG_COLOR(searchbox,             COLOR_BLACK,  COLOR_WHITE,  false);
        DLG_COLOR(searchbox_title,       COLOR_YELLOW, COLOR_WHITE,  true);
        DLG_COLOR(searchbox_border,      COLOR_WHITE,  COLOR_WHITE,  true);
        DLG_COLOR(position_indicator,    COLOR_YELLOW, COLOR_WHITE,  true);
        DLG_COLOR(menubox,               COLOR_BLACK,  COLOR_WHITE,  false);
        DLG_COLOR(menubox_border,        COLOR_WHITE,  COLOR_WHITE,  true);
        DLG_COLOR(item,                  COLOR_BLACK,  COLOR_WHITE,  false);
        DLG_COLOR(item_selected,         COLOR_WHITE,  COLOR_BLUE,   true);
        DLG_COLOR(tag,                   COLOR_YELLOW, COLOR_WHITE,  true);
        DLG_COLOR(tag_selected,          COLOR_YELLOW, COLOR_BLUE,   true);
        DLG_COLOR(tag_key,               COLOR_YELLOW, COLOR_WHITE,  true);
        DLG_COLOR(tag_key_selected,      COLOR_YELLOW, COLOR_BLUE,   true);
        DLG_COLOR(check,                 COLOR_BLACK,  COLOR_WHITE,  false);
        DLG_COLOR(check_selected,        COLOR_WHITE,  COLOR_BLUE,   true);
        DLG_COLOR(uarrow,                COLOR_GREEN,  COLOR_WHITE,  true);
        DLG_COLOR(darrow,                COLOR_GREEN,  COLOR_WHITE,  true);
}
 
static void set_blackbg_theme(void)
{
        DLG_COLOR(screen, COLOR_RED,   COLOR_BLACK, true);
        DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, false);
        DLG_COLOR(dialog, COLOR_WHITE, COLOR_BLACK, false);
        DLG_COLOR(title,  COLOR_RED,   COLOR_BLACK, false);
        DLG_COLOR(border, COLOR_BLACK, COLOR_BLACK, true);
 
        DLG_COLOR(button_active,         COLOR_YELLOW, COLOR_RED,   false);
        DLG_COLOR(button_inactive,       COLOR_YELLOW, COLOR_BLACK, false);
        DLG_COLOR(button_key_active,     COLOR_YELLOW, COLOR_RED,   true);
        DLG_COLOR(button_key_inactive,   COLOR_RED,    COLOR_BLACK, false);
        DLG_COLOR(button_label_active,   COLOR_WHITE,  COLOR_RED,   false);
        DLG_COLOR(button_label_inactive, COLOR_BLACK,  COLOR_BLACK, true);
 
        DLG_COLOR(inputbox,         COLOR_YELLOW, COLOR_BLACK, false);
        DLG_COLOR(inputbox_border,  COLOR_YELLOW, COLOR_BLACK, false);
 
        DLG_COLOR(searchbox,        COLOR_YELLOW, COLOR_BLACK, false);
        DLG_COLOR(searchbox_title,  COLOR_YELLOW, COLOR_BLACK, true);
        DLG_COLOR(searchbox_border, COLOR_BLACK,  COLOR_BLACK, true);
 
        DLG_COLOR(position_indicator, COLOR_RED, COLOR_BLACK,  false);
 
        DLG_COLOR(menubox,          COLOR_YELLOW, COLOR_BLACK, false);
        DLG_COLOR(menubox_border,   COLOR_BLACK,  COLOR_BLACK, true);
 
        DLG_COLOR(item,             COLOR_WHITE, COLOR_BLACK, false);
        DLG_COLOR(item_selected,    COLOR_WHITE, COLOR_RED,   false);
 
        DLG_COLOR(tag,              COLOR_RED,    COLOR_BLACK, false);
        DLG_COLOR(tag_selected,     COLOR_YELLOW, COLOR_RED,   true);
        DLG_COLOR(tag_key,          COLOR_RED,    COLOR_BLACK, false);
        DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_RED,   true);
 
        DLG_COLOR(check,            COLOR_YELLOW, COLOR_BLACK, false);
        DLG_COLOR(check_selected,   COLOR_YELLOW, COLOR_RED,   true);
 
        DLG_COLOR(uarrow, COLOR_RED, COLOR_BLACK, false);
        DLG_COLOR(darrow, COLOR_RED, COLOR_BLACK, false);
}
 
static void set_bluetitle_theme(void)
{
        set_classic_theme();
        DLG_COLOR(title,               COLOR_BLUE,   COLOR_WHITE, true);
        DLG_COLOR(button_key_active,   COLOR_YELLOW, COLOR_BLUE,  true);
        DLG_COLOR(button_label_active, COLOR_WHITE,  COLOR_BLUE,  true);
        DLG_COLOR(searchbox_title,     COLOR_BLUE,   COLOR_WHITE, true);
        DLG_COLOR(position_indicator,  COLOR_BLUE,   COLOR_WHITE, true);
        DLG_COLOR(tag,                 COLOR_BLUE,   COLOR_WHITE, true);
        DLG_COLOR(tag_key,             COLOR_BLUE,   COLOR_WHITE, true);
 
}
 
/*
 * Select color theme
 */
static int set_theme(const char *theme)
{
        int use_color = 1;
        if (!theme)
                set_bluetitle_theme();
        else if (strcmp(theme, "classic") == 0)
                set_classic_theme();
        else if (strcmp(theme, "bluetitle") == 0)
                set_bluetitle_theme();
        else if (strcmp(theme, "blackbg") == 0)
                set_blackbg_theme();
        else if (strcmp(theme, "mono") == 0)
                use_color = 0;
 
        return use_color;
}
 
static void init_one_color(struct dialog_color *color)
{
        static int pair = 0;
 
        pair++;
        init_pair(pair, color->fg, color->bg);
        if (color->hl)
                color->atr = A_BOLD | COLOR_PAIR(pair);
        else
                color->atr = COLOR_PAIR(pair);
}
 
static void init_dialog_colors(void)
{
        init_one_color(&dlg.screen);
        init_one_color(&dlg.shadow);
        init_one_color(&dlg.dialog);
        init_one_color(&dlg.title);
        init_one_color(&dlg.border);
        init_one_color(&dlg.button_active);
        init_one_color(&dlg.button_inactive);
        init_one_color(&dlg.button_key_active);
        init_one_color(&dlg.button_key_inactive);
        init_one_color(&dlg.button_label_active);
        init_one_color(&dlg.button_label_inactive);
        init_one_color(&dlg.inputbox);
        init_one_color(&dlg.inputbox_border);
        init_one_color(&dlg.searchbox);
        init_one_color(&dlg.searchbox_title);
        init_one_color(&dlg.searchbox_border);
        init_one_color(&dlg.position_indicator);
        init_one_color(&dlg.menubox);
        init_one_color(&dlg.menubox_border);
        init_one_color(&dlg.item);
        init_one_color(&dlg.item_selected);
        init_one_color(&dlg.tag);
        init_one_color(&dlg.tag_selected);
        init_one_color(&dlg.tag_key);
        init_one_color(&dlg.tag_key_selected);
        init_one_color(&dlg.check);
        init_one_color(&dlg.check_selected);
        init_one_color(&dlg.uarrow);
        init_one_color(&dlg.darrow);
}
 
/*
 * Setup for color display
 */
static void color_setup(const char *theme)
{
        int use_color;
 
        use_color = set_theme(theme);
        if (use_color && has_colors()) {
                start_color();
                init_dialog_colors();
        } else
                set_mono_theme();
}
 
/*
 * Set window to attribute 'attr'
 */
void attr_clear(WINDOW * win, int height, int width, chtype attr)
{
        int i, j;
 
        wattrset(win, attr);
        for (i = 0; i < height; i++) {
                wmove(win, i, 0);
                for (j = 0; j < width; j++)
                        waddch(win, ' ');
        }
        touchwin(win);
}
 
void dialog_clear(void)
{
        attr_clear(stdscr, LINES, COLS, dlg.screen.atr);
        /* Display background title if it exists ... - SLH */
        if (dlg.backtitle != NULL) {
                int i;
 
                wattrset(stdscr, dlg.screen.atr);
                mvwaddstr(stdscr, 0, 1, (char *)dlg.backtitle);
                wmove(stdscr, 1, 1);
                for (i = 1; i < COLS - 1; i++)
                        waddch(stdscr, ACS_HLINE);
        }
        wnoutrefresh(stdscr);
}
 
/*
 * Do some initialization for dialog
 */
void init_dialog(const char *backtitle)
{
        dlg.backtitle = backtitle;
        color_setup(getenv("MENUCONFIG_COLOR"));
}
 
void set_dialog_backtitle(const char *backtitle)
{
        dlg.backtitle = backtitle;
}
 
void reset_dialog(void)
{
        initscr();              /* Init curses */
        keypad(stdscr, TRUE);
        cbreak();
        noecho();
        dialog_clear();
}
 
/*
 * End using dialog functions.
 */
void end_dialog(void)
{
        endwin();
}
 
/* Print the title of the dialog. Center the title and truncate
 * tile if wider than dialog (- 2 chars).
 **/
void print_title(WINDOW *dialog, const char *title, int width)
{
        if (title) {
                int tlen = MIN(width - 2, strlen(title));
                wattrset(dialog, dlg.title.atr);
                mvwaddch(dialog, 0, (width - tlen) / 2 - 1, ' ');
                mvwaddnstr(dialog, 0, (width - tlen)/2, title, tlen);
                waddch(dialog, ' ');
        }
}
 
/*
 * Print a string of text in a window, automatically wrap around to the
 * next line if the string is too long to fit on one line. Newline
 * characters '\n' are replaced by spaces.  We start on a new line
 * if there is no room for at least 4 nonblanks following a double-space.
 */
void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)
{
        int newl, cur_x, cur_y;
        int i, prompt_len, room, wlen;
        char tempstr[MAX_LEN + 1], *word, *sp, *sp2;
 
        strcpy(tempstr, prompt);
 
        prompt_len = strlen(tempstr);
 
        /*
         * Remove newlines
         */
        for (i = 0; i < prompt_len; i++) {
                if (tempstr[i] == '\n')
                        tempstr[i] = ' ';
        }
 
        if (prompt_len <= width - x * 2) {      /* If prompt is short */
                wmove(win, y, (width - prompt_len) / 2);
                waddstr(win, tempstr);
        } else {
                cur_x = x;
                cur_y = y;
                newl = 1;
                word = tempstr;
                while (word && *word) {
                        sp = strchr(word, ' ');
                        if (sp)
                                *sp++ = 0;
 
                        /* Wrap to next line if either the word does not fit,
                           or it is the first word of a new sentence, and it is
                           short, and the next word does not fit. */
                        room = width - cur_x;
                        wlen = strlen(word);
                        if (wlen > room ||
                            (newl && wlen < 4 && sp
                             && wlen + 1 + strlen(sp) > room
                             && (!(sp2 = strchr(sp, ' '))
                                 || wlen + 1 + (sp2 - sp) > room))) {
                                cur_y++;
                                cur_x = x;
                        }
                        wmove(win, cur_y, cur_x);
                        waddstr(win, word);
                        getyx(win, cur_y, cur_x);
                        cur_x++;
                        if (sp && *sp == ' ') {
                                cur_x++;        /* double space */
                                while (*++sp == ' ') ;
                                newl = 1;
                        } else
                                newl = 0;
                        word = sp;
                }
        }
}
 
/*
 * Print a button
 */
void print_button(WINDOW * win, const char *label, int y, int x, int selected)
{
        int i, temp;
 
        wmove(win, y, x);
        wattrset(win, selected ? dlg.button_active.atr
                 : dlg.button_inactive.atr);
        waddstr(win, "<");
        temp = strspn(label, " ");
        label += temp;
        wattrset(win, selected ? dlg.button_label_active.atr
                 : dlg.button_label_inactive.atr);
        for (i = 0; i < temp; i++)
                waddch(win, ' ');
        wattrset(win, selected ? dlg.button_key_active.atr
                 : dlg.button_key_inactive.atr);
        waddch(win, label[0]);
        wattrset(win, selected ? dlg.button_label_active.atr
                 : dlg.button_label_inactive.atr);
        waddstr(win, (char *)label + 1);
        wattrset(win, selected ? dlg.button_active.atr
                 : dlg.button_inactive.atr);
        waddstr(win, ">");
        wmove(win, y, x + temp + 1);
}
 
/*
 * Draw a rectangular box with line drawing characters
 */
void
draw_box(WINDOW * win, int y, int x, int height, int width,
         chtype box, chtype border)
{
        int i, j;
 
        wattrset(win, 0);
        for (i = 0; i < height; i++) {
                wmove(win, y + i, x);
                for (j = 0; j < width; j++)
                        if (!i && !j)
                                waddch(win, border | ACS_ULCORNER);
                        else if (i == height - 1 && !j)
                                waddch(win, border | ACS_LLCORNER);
                        else if (!i && j == width - 1)
                                waddch(win, box | ACS_URCORNER);
                        else if (i == height - 1 && j == width - 1)
                                waddch(win, box | ACS_LRCORNER);
                        else if (!i)
                                waddch(win, border | ACS_HLINE);
                        else if (i == height - 1)
                                waddch(win, box | ACS_HLINE);
                        else if (!j)
                                waddch(win, border | ACS_VLINE);
                        else if (j == width - 1)
                                waddch(win, box | ACS_VLINE);
                        else
                                waddch(win, box | ' ');
        }
}
 
/*
 * Draw shadows along the right and bottom edge to give a more 3D look
 * to the boxes
 */
void draw_shadow(WINDOW * win, int y, int x, int height, int width)
{
        int i;
 
        if (has_colors()) {     /* Whether terminal supports color? */
                wattrset(win, dlg.shadow.atr);
                wmove(win, y + height, x + 2);
                for (i = 0; i < width; i++)
                        waddch(win, winch(win) & A_CHARTEXT);
                for (i = y + 1; i < y + height + 1; i++) {
                        wmove(win, i, x + width);
                        waddch(win, winch(win) & A_CHARTEXT);
                        waddch(win, winch(win) & A_CHARTEXT);
                }
                wnoutrefresh(win);
        }
}
 
/*
 *  Return the position of the first alphabetic character in a string.
 */
int first_alpha(const char *string, const char *exempt)
{
        int i, in_paren = 0, c;
 
        for (i = 0; i < strlen(string); i++) {
                c = tolower(string[i]);
 
                if (strchr("<[(", c))
                        ++in_paren;
                if (strchr(">])", c) && in_paren > 0)
                        --in_paren;
 
                if ((!in_paren) && isalpha(c) && strchr(exempt, c) == 0)
                        return i;
        }
 
        return 0;
}
 
/*
 * ncurses uses ESC to detect escaped char sequences. This resutl in
 * a small timeout before ESC is actually delivered to the application.
 * lxdialog suggest <ESC> <ESC> which is correctly translated to two
 * times esc. But then we need to ignore the second esc to avoid stepping
 * out one menu too much. Filter away all escaped key sequences since
 * keypad(FALSE) turn off ncurses support for escape sequences - and thats
 * needed to make notimeout() do as expected.
 */
int on_key_esc(WINDOW *win)
{
        int key;
        int key2;
        int key3;
 
        nodelay(win, TRUE);
        keypad(win, FALSE);
        key = wgetch(win);
        key2 = wgetch(win);
        do {
                key3 = wgetch(win);
        } while (key3 != ERR);
        nodelay(win, FALSE);
        keypad(win, TRUE);
        if (key == KEY_ESC && key2 == ERR)
                return KEY_ESC;
        else if (key != ERR && key != KEY_ESC && key2 == ERR)
                ungetch(key);
 
        return -1;
}
 
/* redraw screen in new size */
int on_key_resize(void)
{
        dialog_clear();
        return KEY_RESIZE;
}
 
struct dialog_list *item_cur;
struct dialog_list item_nil;
struct dialog_list *item_head;
 
void item_reset(void)
{
        struct dialog_list *p, *next;
 
        for (p = item_head; p; p = next) {
                next = p->next;
                free(p);
        }
        item_head = NULL;
        item_cur = &item_nil;
}
 
void item_make(const char *fmt, ...)
{
        va_list ap;
        struct dialog_list *p = malloc(sizeof(*p));
 
        if (item_head)
                item_cur->next = p;
        else
                item_head = p;
        item_cur = p;
        memset(p, 0, sizeof(*p));
 
        va_start(ap, fmt);
        vsnprintf(item_cur->node.str, sizeof(item_cur->node.str), fmt, ap);
        va_end(ap);
}
 
void item_add_str(const char *fmt, ...)
{
        va_list ap;
        size_t avail;
 
        avail = sizeof(item_cur->node.str) - strlen(item_cur->node.str);
 
        va_start(ap, fmt);
        vsnprintf(item_cur->node.str + strlen(item_cur->node.str),
                  avail, fmt, ap);
        item_cur->node.str[sizeof(item_cur->node.str) - 1] = '\0';
        va_end(ap);
}
 
void item_set_tag(char tag)
{
        item_cur->node.tag = tag;
}
void item_set_data(void *ptr)
{
        item_cur->node.data = ptr;
}
 
void item_set_selected(int val)
{
        item_cur->node.selected = val;
}
 
int item_activate_selected(void)
{
        item_foreach()
                if (item_is_selected())
                        return 1;
        return 0;
}
 
void *item_data(void)
{
        return item_cur->node.data;
}
 
char item_tag(void)
{
        return item_cur->node.tag;
}
 
int item_count(void)
{
        int n = 0;
        struct dialog_list *p;
 
        for (p = item_head; p; p = p->next)
                n++;
        return n;
}
 
void item_set(int n)
{
        int i = 0;
        item_foreach()
                if (i++ == n)
                        return;
}
 
int item_n(void)
{
        int n = 0;
        struct dialog_list *p;
 
        for (p = item_head; p; p = p->next) {
                if (p == item_cur)
                        return n;
                n++;
        }
        return 0;
}
 
const char *item_str(void)
{
        return item_cur->node.str;
}
 
int item_is_selected(void)
{
        return (item_cur->node.selected != 0);
}
 
int item_is_tag(char tag)
{
        return (item_cur->node.tag == tag);
}

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[/] [test_project/] [trunk/] [linux_sd_driver/] [scripts/] [kconfig/] [lxdialog/] [util.c] - Blame information for rev 62

Line No.	Rev	Author	Line
1	62	marcus.erl	`/*`
2			`* util.c`
3			`*`
4			`* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)`
5			`* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)`
6			`*`
7			`* This program is free software; you can redistribute it and/or`
8			`* modify it under the terms of the GNU General Public License`
9			`* as published by the Free Software Foundation; either version 2`
10			`* of the License, or (at your option) any later version.`
11			`*`
12			`* This program is distributed in the hope that it will be useful,`
13			`* but WITHOUT ANY WARRANTY; without even the implied warranty of`
14			`* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
15			`* GNU General Public License for more details.`
16			`*`
17			`* You should have received a copy of the GNU General Public License`
18			`* along with this program; if not, write to the Free Software`
19			`* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.`
20			`*/`
21
22			`#include "dialog.h"`
23
24			`struct dialog_info dlg;`
25
26			`static void set_mono_theme(void)`
27			`{`
28			`dlg.screen.atr = A_NORMAL;`
29			`dlg.shadow.atr = A_NORMAL;`
30			`dlg.dialog.atr = A_NORMAL;`
31			`dlg.title.atr = A_BOLD;`
32			`dlg.border.atr = A_NORMAL;`
33			`dlg.button_active.atr = A_REVERSE;`
34			`dlg.button_inactive.atr = A_DIM;`
35			`dlg.button_key_active.atr = A_REVERSE;`
36			`dlg.button_key_inactive.atr = A_BOLD;`
37			`dlg.button_label_active.atr = A_REVERSE;`
38			`dlg.button_label_inactive.atr = A_NORMAL;`
39			`dlg.inputbox.atr = A_NORMAL;`
40			`dlg.inputbox_border.atr = A_NORMAL;`
41			`dlg.searchbox.atr = A_NORMAL;`
42			`dlg.searchbox_title.atr = A_BOLD;`
43			`dlg.searchbox_border.atr = A_NORMAL;`
44			`dlg.position_indicator.atr = A_BOLD;`
45			`dlg.menubox.atr = A_NORMAL;`
46			`dlg.menubox_border.atr = A_NORMAL;`
47			`dlg.item.atr = A_NORMAL;`
48			`dlg.item_selected.atr = A_REVERSE;`
49			`dlg.tag.atr = A_BOLD;`
50			`dlg.tag_selected.atr = A_REVERSE;`
51			`dlg.tag_key.atr = A_BOLD;`
52			`dlg.tag_key_selected.atr = A_REVERSE;`
53			`dlg.check.atr = A_BOLD;`
54			`dlg.check_selected.atr = A_REVERSE;`
55			`dlg.uarrow.atr = A_BOLD;`
56			`dlg.darrow.atr = A_BOLD;`
57			`}`
58
59			`#define DLG_COLOR(dialog, f, b, h) \`
60			`do { \`
61			`dlg.dialog.fg = (f); \`
62			`dlg.dialog.bg = (b); \`
63			`dlg.dialog.hl = (h); \`
64			`} while (0)`
65
66			`static void set_classic_theme(void)`
67			`{`
68			`DLG_COLOR(screen, COLOR_CYAN, COLOR_BLUE, true);`
69			`DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, true);`
70			`DLG_COLOR(dialog, COLOR_BLACK, COLOR_WHITE, false);`
71			`DLG_COLOR(title, COLOR_YELLOW, COLOR_WHITE, true);`
72			`DLG_COLOR(border, COLOR_WHITE, COLOR_WHITE, true);`
73			`DLG_COLOR(button_active, COLOR_WHITE, COLOR_BLUE, true);`
74			`DLG_COLOR(button_inactive, COLOR_BLACK, COLOR_WHITE, false);`
75			`DLG_COLOR(button_key_active, COLOR_WHITE, COLOR_BLUE, true);`
76			`DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_WHITE, false);`
77			`DLG_COLOR(button_label_active, COLOR_YELLOW, COLOR_BLUE, true);`
78			`DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_WHITE, true);`
79			`DLG_COLOR(inputbox, COLOR_BLACK, COLOR_WHITE, false);`
80			`DLG_COLOR(inputbox_border, COLOR_BLACK, COLOR_WHITE, false);`
81			`DLG_COLOR(searchbox, COLOR_BLACK, COLOR_WHITE, false);`
82			`DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_WHITE, true);`
83			`DLG_COLOR(searchbox_border, COLOR_WHITE, COLOR_WHITE, true);`
84			`DLG_COLOR(position_indicator, COLOR_YELLOW, COLOR_WHITE, true);`
85			`DLG_COLOR(menubox, COLOR_BLACK, COLOR_WHITE, false);`
86			`DLG_COLOR(menubox_border, COLOR_WHITE, COLOR_WHITE, true);`
87			`DLG_COLOR(item, COLOR_BLACK, COLOR_WHITE, false);`
88			`DLG_COLOR(item_selected, COLOR_WHITE, COLOR_BLUE, true);`
89			`DLG_COLOR(tag, COLOR_YELLOW, COLOR_WHITE, true);`
90			`DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_BLUE, true);`
91			`DLG_COLOR(tag_key, COLOR_YELLOW, COLOR_WHITE, true);`
92			`DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_BLUE, true);`
93			`DLG_COLOR(check, COLOR_BLACK, COLOR_WHITE, false);`
94			`DLG_COLOR(check_selected, COLOR_WHITE, COLOR_BLUE, true);`
95			`DLG_COLOR(uarrow, COLOR_GREEN, COLOR_WHITE, true);`
96			`DLG_COLOR(darrow, COLOR_GREEN, COLOR_WHITE, true);`
97			`}`
98
99			`static void set_blackbg_theme(void)`
100			`{`
101			`DLG_COLOR(screen, COLOR_RED, COLOR_BLACK, true);`
102			`DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, false);`
103			`DLG_COLOR(dialog, COLOR_WHITE, COLOR_BLACK, false);`
104			`DLG_COLOR(title, COLOR_RED, COLOR_BLACK, false);`
105			`DLG_COLOR(border, COLOR_BLACK, COLOR_BLACK, true);`
106
107			`DLG_COLOR(button_active, COLOR_YELLOW, COLOR_RED, false);`
108			`DLG_COLOR(button_inactive, COLOR_YELLOW, COLOR_BLACK, false);`
109			`DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_RED, true);`
110			`DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_BLACK, false);`
111			`DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_RED, false);`
112			`DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_BLACK, true);`
113
114			`DLG_COLOR(inputbox, COLOR_YELLOW, COLOR_BLACK, false);`
115			`DLG_COLOR(inputbox_border, COLOR_YELLOW, COLOR_BLACK, false);`
116
117			`DLG_COLOR(searchbox, COLOR_YELLOW, COLOR_BLACK, false);`
118			`DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_BLACK, true);`
119			`DLG_COLOR(searchbox_border, COLOR_BLACK, COLOR_BLACK, true);`
120
121			`DLG_COLOR(position_indicator, COLOR_RED, COLOR_BLACK, false);`
122
123			`DLG_COLOR(menubox, COLOR_YELLOW, COLOR_BLACK, false);`
124			`DLG_COLOR(menubox_border, COLOR_BLACK, COLOR_BLACK, true);`
125
126			`DLG_COLOR(item, COLOR_WHITE, COLOR_BLACK, false);`
127			`DLG_COLOR(item_selected, COLOR_WHITE, COLOR_RED, false);`
128
129			`DLG_COLOR(tag, COLOR_RED, COLOR_BLACK, false);`
130			`DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_RED, true);`
131			`DLG_COLOR(tag_key, COLOR_RED, COLOR_BLACK, false);`
132			`DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_RED, true);`
133
134			`DLG_COLOR(check, COLOR_YELLOW, COLOR_BLACK, false);`
135			`DLG_COLOR(check_selected, COLOR_YELLOW, COLOR_RED, true);`
136
137			`DLG_COLOR(uarrow, COLOR_RED, COLOR_BLACK, false);`
138			`DLG_COLOR(darrow, COLOR_RED, COLOR_BLACK, false);`
139			`}`
140
141			`static void set_bluetitle_theme(void)`
142			`{`
143			`set_classic_theme();`
144			`DLG_COLOR(title, COLOR_BLUE, COLOR_WHITE, true);`
145			`DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_BLUE, true);`
146			`DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_BLUE, true);`
147			`DLG_COLOR(searchbox_title, COLOR_BLUE, COLOR_WHITE, true);`
148			`DLG_COLOR(position_indicator, COLOR_BLUE, COLOR_WHITE, true);`
149			`DLG_COLOR(tag, COLOR_BLUE, COLOR_WHITE, true);`
150			`DLG_COLOR(tag_key, COLOR_BLUE, COLOR_WHITE, true);`
151
152			`}`
153
154			`/*`
155			`* Select color theme`
156			`*/`
157			`static int set_theme(const char *theme)`
158			`{`
159			`int use_color = 1;`
160			`if (!theme)`
161			`set_bluetitle_theme();`
162			`else if (strcmp(theme, "classic") == 0)`
163			`set_classic_theme();`
164			`else if (strcmp(theme, "bluetitle") == 0)`
165			`set_bluetitle_theme();`
166			`else if (strcmp(theme, "blackbg") == 0)`
167			`set_blackbg_theme();`
168			`else if (strcmp(theme, "mono") == 0)`
169			`use_color = 0;`
170
171			`return use_color;`
172			`}`
173
174			`static void init_one_color(struct dialog_color *color)`
175			`{`
176			`static int pair = 0;`
177
178			`pair++;`
179			`init_pair(pair, color->fg, color->bg);`
180			`if (color->hl)`
181			`color->atr = A_BOLD \| COLOR_PAIR(pair);`
182			`else`
183			`color->atr = COLOR_PAIR(pair);`
184			`}`
185
186			`static void init_dialog_colors(void)`
187			`{`
188			`init_one_color(&dlg.screen);`
189			`init_one_color(&dlg.shadow);`
190			`init_one_color(&dlg.dialog);`
191			`init_one_color(&dlg.title);`
192			`init_one_color(&dlg.border);`
193			`init_one_color(&dlg.button_active);`
194			`init_one_color(&dlg.button_inactive);`
195			`init_one_color(&dlg.button_key_active);`
196			`init_one_color(&dlg.button_key_inactive);`
197			`init_one_color(&dlg.button_label_active);`
198			`init_one_color(&dlg.button_label_inactive);`
199			`init_one_color(&dlg.inputbox);`
200			`init_one_color(&dlg.inputbox_border);`
201			`init_one_color(&dlg.searchbox);`
202			`init_one_color(&dlg.searchbox_title);`
203			`init_one_color(&dlg.searchbox_border);`
204			`init_one_color(&dlg.position_indicator);`
205			`init_one_color(&dlg.menubox);`
206			`init_one_color(&dlg.menubox_border);`
207			`init_one_color(&dlg.item);`
208			`init_one_color(&dlg.item_selected);`
209			`init_one_color(&dlg.tag);`
210			`init_one_color(&dlg.tag_selected);`
211			`init_one_color(&dlg.tag_key);`
212			`init_one_color(&dlg.tag_key_selected);`
213			`init_one_color(&dlg.check);`
214			`init_one_color(&dlg.check_selected);`
215			`init_one_color(&dlg.uarrow);`
216			`init_one_color(&dlg.darrow);`
217			`}`
218
219			`/*`
220			`* Setup for color display`
221			`*/`
222			`static void color_setup(const char *theme)`
223			`{`
224			`int use_color;`
225
226			`use_color = set_theme(theme);`
227			`if (use_color && has_colors()) {`
228			`start_color();`
229			`init_dialog_colors();`
230			`} else`
231			`set_mono_theme();`
232			`}`
233
234			`/*`
235			`* Set window to attribute 'attr'`
236			`*/`
237			`void attr_clear(WINDOW * win, int height, int width, chtype attr)`
238			`{`
239			`int i, j;`
240
241			`wattrset(win, attr);`
242			`for (i = 0; i < height; i++) {`
243			`wmove(win, i, 0);`
244			`for (j = 0; j < width; j++)`
245			`waddch(win, ' ');`
246			`}`
247			`touchwin(win);`
248			`}`
249
250			`void dialog_clear(void)`
251			`{`
252			`attr_clear(stdscr, LINES, COLS, dlg.screen.atr);`
253			`/* Display background title if it exists ... - SLH */`
254			`if (dlg.backtitle != NULL) {`
255			`int i;`
256
257			`wattrset(stdscr, dlg.screen.atr);`
258			`mvwaddstr(stdscr, 0, 1, (char *)dlg.backtitle);`
259			`wmove(stdscr, 1, 1);`
260			`for (i = 1; i < COLS - 1; i++)`
261			`waddch(stdscr, ACS_HLINE);`
262			`}`
263			`wnoutrefresh(stdscr);`
264			`}`
265
266			`/*`
267			`* Do some initialization for dialog`
268			`*/`
269			`void init_dialog(const char *backtitle)`
270			`{`
271			`dlg.backtitle = backtitle;`
272			`color_setup(getenv("MENUCONFIG_COLOR"));`
273			`}`
274
275			`void set_dialog_backtitle(const char *backtitle)`
276			`{`
277			`dlg.backtitle = backtitle;`
278			`}`
279
280			`void reset_dialog(void)`
281			`{`
282			`initscr(); /* Init curses */`
283			`keypad(stdscr, TRUE);`
284			`cbreak();`
285			`noecho();`
286			`dialog_clear();`
287			`}`
288
289			`/*`
290			`* End using dialog functions.`
291			`*/`
292			`void end_dialog(void)`
293			`{`
294			`endwin();`
295			`}`
296
297			`/* Print the title of the dialog. Center the title and truncate`
298			`* tile if wider than dialog (- 2 chars).`
299			`**/`
300			`void print_title(WINDOW dialog, const char title, int width)`
301			`{`
302			`if (title) {`
303			`int tlen = MIN(width - 2, strlen(title));`
304			`wattrset(dialog, dlg.title.atr);`
305			`mvwaddch(dialog, 0, (width - tlen) / 2 - 1, ' ');`
306			`mvwaddnstr(dialog, 0, (width - tlen)/2, title, tlen);`
307			`waddch(dialog, ' ');`
308			`}`
309			`}`
310
311			`/*`
312			`* Print a string of text in a window, automatically wrap around to the`
313			`* next line if the string is too long to fit on one line. Newline`
314			`* characters '\n' are replaced by spaces. We start on a new line`
315			`* if there is no room for at least 4 nonblanks following a double-space.`
316			`*/`
317			`void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)`
318			`{`
319			`int newl, cur_x, cur_y;`
320			`int i, prompt_len, room, wlen;`
321			`char tempstr[MAX_LEN + 1], word, sp, *sp2;`
322
323			`strcpy(tempstr, prompt);`
324
325			`prompt_len = strlen(tempstr);`
326
327			`/*`
328			`* Remove newlines`
329			`*/`
330			`for (i = 0; i < prompt_len; i++) {`
331			`if (tempstr[i] == '\n')`
332			`tempstr[i] = ' ';`
333			`}`
334
335			`if (prompt_len <= width - x * 2) { /* If prompt is short */`
336			`wmove(win, y, (width - prompt_len) / 2);`
337			`waddstr(win, tempstr);`
338			`} else {`
339			`cur_x = x;`
340			`cur_y = y;`
341			`newl = 1;`
342			`word = tempstr;`
343			`while (word && *word) {`
344			`sp = strchr(word, ' ');`
345			`if (sp)`
346			`*sp++ = 0;`
347
348			`/* Wrap to next line if either the word does not fit,`
349			`or it is the first word of a new sentence, and it is`
350			`short, and the next word does not fit. */`
351			`room = width - cur_x;`
352			`wlen = strlen(word);`
353			`if (wlen > room \|\|`
354			`(newl && wlen < 4 && sp`
355			`&& wlen + 1 + strlen(sp) > room`
356			`&& (!(sp2 = strchr(sp, ' '))`
357			`\|\| wlen + 1 + (sp2 - sp) > room))) {`
358			`cur_y++;`
359			`cur_x = x;`
360			`}`
361			`wmove(win, cur_y, cur_x);`
362			`waddstr(win, word);`
363			`getyx(win, cur_y, cur_x);`
364			`cur_x++;`
365			`if (sp && *sp == ' ') {`
366			`cur_x++; /* double space */`
367			`while (*++sp == ' ') ;`
368			`newl = 1;`
369			`} else`
370			`newl = 0;`
371			`word = sp;`
372			`}`
373			`}`
374			`}`
375
376			`/*`
377			`* Print a button`
378			`*/`
379			`void print_button(WINDOW * win, const char *label, int y, int x, int selected)`
380			`{`
381			`int i, temp;`
382
383			`wmove(win, y, x);`
384			`wattrset(win, selected ? dlg.button_active.atr`
385			`: dlg.button_inactive.atr);`
386			`waddstr(win, "<");`
387			`temp = strspn(label, " ");`
388			`label += temp;`
389			`wattrset(win, selected ? dlg.button_label_active.atr`
390			`: dlg.button_label_inactive.atr);`
391			`for (i = 0; i < temp; i++)`
392			`waddch(win, ' ');`
393			`wattrset(win, selected ? dlg.button_key_active.atr`
394			`: dlg.button_key_inactive.atr);`
395			`waddch(win, label[0]);`
396			`wattrset(win, selected ? dlg.button_label_active.atr`
397			`: dlg.button_label_inactive.atr);`
398			`waddstr(win, (char *)label + 1);`
399			`wattrset(win, selected ? dlg.button_active.atr`
400			`: dlg.button_inactive.atr);`
401			`waddstr(win, ">");`
402			`wmove(win, y, x + temp + 1);`
403			`}`
404
405			`/*`
406			`* Draw a rectangular box with line drawing characters`
407			`*/`
408			`void`
409			`draw_box(WINDOW * win, int y, int x, int height, int width,`
410			`chtype box, chtype border)`
411			`{`
412			`int i, j;`
413
414			`wattrset(win, 0);`
415			`for (i = 0; i < height; i++) {`
416			`wmove(win, y + i, x);`
417			`for (j = 0; j < width; j++)`
418			`if (!i && !j)`
419			`waddch(win, border \| ACS_ULCORNER);`
420			`else if (i == height - 1 && !j)`
421			`waddch(win, border \| ACS_LLCORNER);`
422			`else if (!i && j == width - 1)`
423			`waddch(win, box \| ACS_URCORNER);`
424			`else if (i == height - 1 && j == width - 1)`
425			`waddch(win, box \| ACS_LRCORNER);`
426			`else if (!i)`
427			`waddch(win, border \| ACS_HLINE);`
428			`else if (i == height - 1)`
429			`waddch(win, box \| ACS_HLINE);`
430			`else if (!j)`
431			`waddch(win, border \| ACS_VLINE);`
432			`else if (j == width - 1)`
433			`waddch(win, box \| ACS_VLINE);`
434			`else`
435			`waddch(win, box \| ' ');`
436			`}`
437			`}`
438
439			`/*`
440			`* Draw shadows along the right and bottom edge to give a more 3D look`
441			`* to the boxes`
442			`*/`
443			`void draw_shadow(WINDOW * win, int y, int x, int height, int width)`
444			`{`
445			`int i;`
446
447			`if (has_colors()) { /* Whether terminal supports color? */`
448			`wattrset(win, dlg.shadow.atr);`
449			`wmove(win, y + height, x + 2);`
450			`for (i = 0; i < width; i++)`
451			`waddch(win, winch(win) & A_CHARTEXT);`
452			`for (i = y + 1; i < y + height + 1; i++) {`
453			`wmove(win, i, x + width);`
454			`waddch(win, winch(win) & A_CHARTEXT);`
455			`waddch(win, winch(win) & A_CHARTEXT);`
456			`}`
457			`wnoutrefresh(win);`
458			`}`
459			`}`
460
461			`/*`
462			`* Return the position of the first alphabetic character in a string.`
463			`*/`
464			`int first_alpha(const char string, const char exempt)`
465			`{`
466			`int i, in_paren = 0, c;`
467
468			`for (i = 0; i < strlen(string); i++) {`
469			`c = tolower(string[i]);`
470
471			`if (strchr("<[(", c))`
472			`++in_paren;`
473			`if (strchr(">])", c) && in_paren > 0)`
474			`--in_paren;`
475
476			`if ((!in_paren) && isalpha(c) && strchr(exempt, c) == 0)`
477			`return i;`
478			`}`
479
480			`return 0;`
481			`}`
482
483			`/*`
484			`* ncurses uses ESC to detect escaped char sequences. This resutl in`
485			`* a small timeout before ESC is actually delivered to the application.`
486			`* lxdialog suggest <ESC> <ESC> which is correctly translated to two`
487			`* times esc. But then we need to ignore the second esc to avoid stepping`
488			`* out one menu too much. Filter away all escaped key sequences since`
489			`* keypad(FALSE) turn off ncurses support for escape sequences - and thats`
490			`* needed to make notimeout() do as expected.`
491			`*/`
492			`int on_key_esc(WINDOW *win)`
493			`{`
494			`int key;`
495			`int key2;`
496			`int key3;`
497
498			`nodelay(win, TRUE);`
499			`keypad(win, FALSE);`
500			`key = wgetch(win);`
501			`key2 = wgetch(win);`
502			`do {`
503			`key3 = wgetch(win);`
504			`} while (key3 != ERR);`
505			`nodelay(win, FALSE);`
506			`keypad(win, TRUE);`
507			`if (key == KEY_ESC && key2 == ERR)`
508			`return KEY_ESC;`
509			`else if (key != ERR && key != KEY_ESC && key2 == ERR)`
510			`ungetch(key);`
511
512			`return -1;`
513			`}`
514
515			`/* redraw screen in new size */`
516			`int on_key_resize(void)`
517			`{`
518			`dialog_clear();`
519			`return KEY_RESIZE;`
520			`}`
521
522			`struct dialog_list *item_cur;`
523			`struct dialog_list item_nil;`
524			`struct dialog_list *item_head;`
525
526			`void item_reset(void)`
527			`{`
528			`struct dialog_list p, next;`
529
530			`for (p = item_head; p; p = next) {`
531			`next = p->next;`
532			`free(p);`
533			`}`
534			`item_head = NULL;`
535			`item_cur = &item_nil;`
536			`}`
537
538			`void item_make(const char *fmt, ...)`
539			`{`
540			`va_list ap;`
541			`struct dialog_list p = malloc(sizeof(p));`
542
543			`if (item_head)`
544			`item_cur->next = p;`
545			`else`
546			`item_head = p;`
547			`item_cur = p;`
548			`memset(p, 0, sizeof(*p));`
549
550			`va_start(ap, fmt);`
551			`vsnprintf(item_cur->node.str, sizeof(item_cur->node.str), fmt, ap);`
552			`va_end(ap);`
553			`}`
554
555			`void item_add_str(const char *fmt, ...)`
556			`{`
557			`va_list ap;`
558			`size_t avail;`
559
560			`avail = sizeof(item_cur->node.str) - strlen(item_cur->node.str);`
561
562			`va_start(ap, fmt);`
563			`vsnprintf(item_cur->node.str + strlen(item_cur->node.str),`
564			`avail, fmt, ap);`
565			`item_cur->node.str[sizeof(item_cur->node.str) - 1] = '\0';`
566			`va_end(ap);`
567			`}`
568
569			`void item_set_tag(char tag)`
570			`{`
571			`item_cur->node.tag = tag;`
572			`}`
573			`void item_set_data(void *ptr)`
574			`{`
575			`item_cur->node.data = ptr;`
576			`}`
577
578			`void item_set_selected(int val)`
579			`{`
580			`item_cur->node.selected = val;`
581			`}`
582
583			`int item_activate_selected(void)`
584			`{`
585			`item_foreach()`
586			`if (item_is_selected())`
587			`return 1;`
588			`return 0;`
589			`}`
590
591			`void *item_data(void)`
592			`{`
593			`return item_cur->node.data;`
594			`}`
595
596			`char item_tag(void)`
597			`{`
598			`return item_cur->node.tag;`
599			`}`
600
601			`int item_count(void)`
602			`{`
603			`int n = 0;`
604			`struct dialog_list *p;`
605
606			`for (p = item_head; p; p = p->next)`
607			`n++;`
608			`return n;`
609			`}`
610
611			`void item_set(int n)`
612			`{`
613			`int i = 0;`
614			`item_foreach()`
615			`if (i++ == n)`
616			`return;`
617			`}`
618
619			`int item_n(void)`
620			`{`
621			`int n = 0;`
622			`struct dialog_list *p;`
623
624			`for (p = item_head; p; p = p->next) {`
625			`if (p == item_cur)`
626			`return n;`
627			`n++;`
628			`}`
629			`return 0;`
630			`}`
631
632			`const char *item_str(void)`
633			`{`
634			`return item_cur->node.str;`
635			`}`
636
637			`int item_is_selected(void)`
638			`{`
639			`return (item_cur->node.selected != 0);`
640			`}`
641
642			`int item_is_tag(char tag)`
643			`{`
644			`return (item_cur->node.tag == tag);`
645			`}`