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android_kernel_xiaomi_sm8350/scripts/kconfig/lxdialog/util.c
Sam Ravnborg 95e30f9593 menuconfig: remember alternate config filename 
When loading an alternate configuration use that file as
current configuration filename.
Make the filename visible in the dialog.
Default continue to be .config.

Inspired by patch from: Cyrill Gorcunov <gorcunov@gmail.com>

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc:  Cyrill Gorcunov <gorcunov@gmail.com>
2007-05-02 20:58:09 +02:00

646 lines
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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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