crosstool-ng/kconfig/lxdialog/yesno.c
Chris Packham 21095fab67 kconfig: Sync with upstream v5.0
This commit introduces the following upstream changes:

2648ca1859bb kconfig: clean generated *conf-cfg files
d86271af6460 kconfig: rename generated .*conf-cfg to *conf-cfg
ba97df45581f kbuild: use assignment instead of define ... endef for filechk_* rules
a5003571e627 kconfig: remove unused "file" field of yylval union
f222b7f43661 kconfig: surround dbg_sym_flags with #ifdef DEBUG to fix gconf warning
3b541978562a kconfig: split images.c out of qconf.cc/gconf.c to fix gconf warnings
9abe42371b44 kconfig: add static qualifiers to fix gconf warnings
cbafbf7f551c kconfig: split the lexer out of zconf.y
558e78e3ce84 kconfig: split some C files out of zconf.y
0c874100108f kconfig: convert to SPDX License Identifier
979f2b2f7936 kconfig: remove keyword lookup table entirely
4b31a32caf0a kconfig: update current_pos in the second lexer
824fa3b3b5e3 kconfig: switch to ASSIGN_VAL state in the second lexer
b3d1d9d3c362 kconfig: stop associating kconf_id with yylval
caaebb3c6de3 kconfig: refactor end token rules
f5451582c4e2 kconfig: stop supporting '.' and '/' in unquoted words
171a515d0803 kconfig: use T_WORD instead of T_VARIABLE for variables
c3d228713b10 kconfig: use specific tokens instead of T_ASSIGN for assignments
ce2164ab5831 kconfig: refactor scanning and parsing "option" properties
3c8f317d4cf1 kconfig: use distinct tokens for type and default properties
a01e5d242d93 kconfig: remove redundant token defines
4b5ec81bfeda kconfig: rename depends_list to comment_option_list
1f31be9ec0a9 kconfig: loosen the order of "visible" and "depends on" in menu entry
94d4e1b6021b kconfig: remove redundant menu_block rule
4891796c6f83 kconfig: remove redundant if_block rule
2f60e46e605a kconfig: remove grammatically ambiguous option_error
6900ae9eeee3 kconfig: remove grammatically ambiguous "unexpected option" diagnostic
723679339d08 kconfig: warn no new line at end of file
0bcc547ec4b0 kconfig: clean up EOF handling in the lexer
cc66bca775ee kconfig: fix ambiguous grammar in terms of new lines
21c5ecf60472 kconfig: refactor pattern matching in STRING state
be3c8075978a kconfig: remove unneeded pattern matching to whitespaces
413cd19d81fd kconfig: require T_EOL to reduce visible statement
fbac5977d81c kconfig: fix memory leak when EOF is encountered in quotation
77c1c0fa8b14 kconfig: fix file name and line number of warn_ignored_character()
0cbe3ac439bf kconfig: remove k_invalid from expr_parse_string() return type
2aabbed6774f kconfig: remove S_OTHER symbol type and correct dependency tracking
1508fec82e39 kconfig: split out code touching a file to conf_touch_dep()
0849d212e395 kconfig: rename conf_split_config() to conf_touch_deps()
75889e9be78f kconfig: remove unneeded setsym label in conf_read_simple()
a9b722847872 scripts/kconfig/merge_config: don't redefine 'y' to 'm'

Signed-off-by: Chris Packham <judge.packham@gmail.com>
2021-02-02 20:06:32 +13:00

102 lines
2.2 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* yesno.c -- implements the yes/no box
*
* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
*/
#include "dialog.h"
/*
* 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 a dialog box with two buttons - Yes and No
*/
int dialog_yesno(const char *title, const char *prompt, int height, int width)
{
int i, x, y, key = 0, button = 0;
WINDOW *dialog;
do_resize:
if (getmaxy(stdscr) < (height + YESNO_HEIGTH_MIN))
return -ERRDISPLAYTOOSMALL;
if (getmaxx(stdscr) < (width + YESNO_WIDTH_MIN))
return -ERRDISPLAYTOOSMALL;
/* center dialog box on screen */
x = (getmaxx(stdscr) - width) / 2;
y = (getmaxy(stdscr) - 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,
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);
waddch(dialog, ACS_RTEE);
print_title(dialog, title, width);
wattrset(dialog, dlg.dialog.atr);
print_autowrap(dialog, prompt, width - 2, 1, 3);
print_buttons(dialog, height, width, 0);
while (key != KEY_ESC) {
key = wgetch(dialog);
switch (key) {
case 'Y':
case 'y':
delwin(dialog);
return 0;
case 'N':
case 'n':
delwin(dialog);
return 1;
case TAB:
case KEY_LEFT:
case KEY_RIGHT:
button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button);
print_buttons(dialog, height, width, button);
wrefresh(dialog);
break;
case ' ':
case '\n':
delwin(dialog);
return button;
case KEY_ESC:
key = on_key_esc(dialog);
break;
case KEY_RESIZE:
delwin(dialog);
on_key_resize();
goto do_resize;
}
}
delwin(dialog);
return key; /* ESC pressed */
}