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kconfig/lxdialog: let <ESC><ESC> behave as expected

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<ESC><ESC> is used to step one back in the dialogs.
When lxdialog became built-in pressing <ESC> once would cause one step back
and pressing <ESC><ESC> would cause two steps back.
This patch - based on concept from Roman Zippel <zippel@linux-m68k.org> -
makes one <ESC> a noop and pressing <ESC><ESC> will cause one step backward.

In addition the final yes/no dialog now has the option to go back to the
the kernel configuration. So if you get too far out you can now go back
to configuring the kernel without saving and starting all over again.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Sam Ravnborg
2006-07-28 23:57:48 +02:00
committed by Sam Ravnborg
parent 2982de6993
commit f3cbcdc955
8 changed files with 76 additions and 30 deletions
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4
scripts/kconfig/lxdialog/dialog.h
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@@ -48,7 +48,7 @@
#define TR(params) _tracef params
#define ESC 27
#define KEY_ESC 27
#define TAB 9
#define MAX_LEN 2048
#define BUF_SIZE (10*1024)
@@ -179,6 +179,8 @@ int item_is_tag(char tag);
for (item_cur = item_head ? item_head: item_cur; \
item_cur && (item_cur != &item_nil); item_cur = item_cur->next)
/* generic key handlers */
int on_key_esc(WINDOW *win);
void init_dialog(const char *backtitle);
void reset_dialog(void);