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menu: use read_key 

We have the read_key function which reads a key and parses escape sequences.
Use it in the menu instead of reimplementing this manually.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2012-06-24 14:45:55 +02:00
parent 4d5a9be0dc
commit fa37257ce0
1 changed files with 4 additions and 13 deletions
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17
common/menu.c
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@ -297,7 +297,6 @@ static int menu_alloc_display_buffer(struct menu *m)
int menu_show(struct menu *m)
{
int ch, ch_previous = 0;
int escape = 0;
int countdown;
int auto_display_len = 16;
uint64_t start, second;
@ -347,19 +346,12 @@ int menu_show(struct menu *m)
if (m->auto_select >= 0)
ch = KEY_RETURN;
else
ch = getc();
ch = read_key();
m->auto_select = -1;
switch(ch) {
case 0x1b:
escape = 1;
break;
case '[':
if (escape)
break;
case 'A': /* up */
escape = 0;
switch (ch) {
case KEY_UP:
print_menu_entry(m, m->selected, 0);
m->selected = list_entry(m->selected->list.prev, struct menu_entry,
list);
@ -369,8 +361,7 @@ int menu_show(struct menu *m)
}
print_menu_entry(m, m->selected, 1);
break;
case 'B': /* down */
escape = 0;
case KEY_DOWN:
print_menu_entry(m, m->selected, 0);
m->selected = list_entry(m->selected->list.next, struct menu_entry,
list);