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Subject[PATCH 2/3] kconfig and lxdialog, kernel 2.6.13.4
This patch is a functionality modification to lxdialog to add support 
for an "Abort" button in *addition* to the standard "Yes" and "No"
buttons on the "yesno" dialog. The intended purpose of this patch is to
give users the ability to abort their last requested action.

Signed-off-by: Sean E. Fao <sean.fao@capitalgenomix.com>

diff -up linux-2.6.13.4/scripts/lxdialog/dialog.h
linux/scripts/lxdialog/dialog.h
--- linux-2.6.13.4/scripts/lxdialog/dialog.h 2005-10-27
09:21:46.000000000 -0500
+++ linux/scripts/lxdialog/dialog.h 2005-10-26 16:03:24.000000000 -0500
@@ -123,6 +123,12 @@
/* number of attributes */
#define ATTRIBUTE_COUNT 29

+/* enum types */
+typedef enum {
+ YESNO,
+ YESNOABORT
+} BUTTONTYPE;
+
/*
* Global variables
*/
@@ -151,7 +157,8 @@ void draw_box(WINDOW * win, int y, int x
void draw_shadow(WINDOW * win, int y, int x, int height, int width);

int first_alpha(const char *string, const char *exempt);
-int dialog_yesno(const char *title, const char *prompt, int height, int
width);
+int dialog_yesnoabort(const char *title, const char *prompt, int height,
+ int width, BUTTONTYPE button_t);
int dialog_msgbox(const char *title, const char *prompt, int height,
int width, int pause);
int dialog_textbox(const char *title, const char *file, int height, int
width);
diff -up linux-2.6.13.4/scripts/lxdialog/lxdialog.c
linux/scripts/lxdialog/lxdialog.c
--- linux-2.6.13.4/scripts/lxdialog/lxdialog.c 2005-10-27
09:21:45.000000000 -0500
+++ linux/scripts/lxdialog/lxdialog.c 2005-10-26 16:04:54.000000000 -0500
@@ -31,7 +31,8 @@ struct Mode {
jumperFn *jumper;
};

-jumperFn j_menu, j_checklist, j_radiolist, j_yesno, j_textbox, j_inputbox;
+jumperFn j_menu, j_checklist, j_radiolist, j_yesno, j_yesnoabort,
j_textbox,
+ j_inputbox;
jumperFn j_msgbox, j_infobox;

static struct Mode modes[] = {
@@ -39,6 +40,7 @@ static struct Mode modes[] = {
{"--checklist", 9, 0, 3, j_checklist},
{"--radiolist", 9, 0, 3, j_radiolist},
{"--yesno", 5, 5, 1, j_yesno},
+ {"--yesnoabort", 5, 5, 1, j_yesnoabort},
{"--textbox", 5, 5, 1, j_textbox},
{"--inputbox", 5, 6, 1, j_inputbox},
{"--msgbox", 5, 5, 1, j_msgbox},
@@ -150,12 +152,13 @@ static void Usage(const char *name)
\n\
\nBox options:\
\n\
-\n --menu <text> <height> <width> <menu height> <tag1> <item1>...\
-\n --checklist <text> <height> <width> <list height> <tag1> <item1>
<status1>...\
-\n --radiolist <text> <height> <width> <list height> <tag1> <item1>
<status1>...\
-\n --textbox <file> <height> <width>\
-\n --inputbox <text> <height> <width> [<init>]\
-\n --yesno <text> <height> <width>\
+\n --menu <text> <height> <width> <menu height> <tag1> <item1>...\
+\n --checklist <text> <height> <width> <list height> <tag1> <item1>
<status1>...\
+\n --radiolist <text> <height> <width> <list height> <tag1> <item1>
<status1>...\
+\n --textbox <file> <height> <width>\
+\n --inputbox <text> <height> <width> [<init>]\
+\n --yesno <text> <height> <width>\
+\n --yesnoabort <text> <height> <width>\
\n", name, name);
exit(-1);
}
@@ -189,7 +192,12 @@ int j_textbox(const char *t, int ac, con

int j_yesno(const char *t, int ac, const char *const *av)
{
- return dialog_yesno(t, av[2], atoi(av[3]), atoi(av[4]));
+ return dialog_yesnoabort(t, av[2], atoi(av[3]), atoi(av[4]), YESNO);
+}
+
+int j_yesnoabort(const char *t, int ac, const char *const *av)
+{
+ return dialog_yesnoabort(t, av[2], atoi(av[3]), atoi(av[4]),
YESNOABORT);
}

int j_inputbox(const char *t, int ac, const char *const *av)
diff -up linux-2.6.13.4/scripts/lxdialog/yesno.c
linux/scripts/lxdialog/yesno.c
--- linux-2.6.13.4/scripts/lxdialog/yesno.c 2005-10-27
09:21:45.000000000 -0500
+++ linux/scripts/lxdialog/yesno.c 2005-10-26 19:18:25.000000000 -0500
@@ -24,22 +24,26 @@
/*
* Display termination buttons
*/
-static void print_buttons(WINDOW * dialog, int height, int width, int
selected)
+static void print_buttons(WINDOW * dialog, int height, int width, int
selected,
+ BUTTONTYPE btn_t)
{
- int x = width / 2 - 10;
+ int x = width / (btn_t == YESNO ? 2 : 3) - 10;
int y = height - 2;

print_button(dialog, " Yes ", y, x, selected == 0);
print_button(dialog, " No ", y, x + 13, selected == 1);
+ if (btn_t == YESNOABORT)
+ print_button(dialog, " Abort ", y, x + 26, selected == 2);

wmove(dialog, y, x + 1 + 13 * selected);
wrefresh(dialog);
}

/*
- * Display a dialog box with two buttons - Yes and No
+ * Display a dialog box with specified button types
*/
-int dialog_yesno(const char *title, const char *prompt, int height, int
width)
+int dialog_yesnoabort(const char *title, const char *prompt, int height,
+ int width, BUTTONTYPE btn_t)
{
int i, x, y, key = 0, button = 0;
WINDOW *dialog;
@@ -79,7 +83,7 @@ int dialog_yesno(const char *title, cons
wattrset(dialog, dialog_attr);
print_autowrap(dialog, prompt, width - 2, 1, 3);

- print_buttons(dialog, height, width, 0);
+ print_buttons(dialog, height, width, 0, btn_t);

while (key != ESC) {
key = wgetch(dialog);
@@ -92,14 +96,22 @@ int dialog_yesno(const char *title, cons
case 'n':
delwin(dialog);
return 1;
-
+ case 'A':
+ case 'a':
+ if (btn_t == YESNOABORT)
+ {
+ delwin(dialog);
+ return 2;
+ }
+ break;
case TAB:
case KEY_LEFT:
case KEY_RIGHT:
+ /* Selections available are based on # of buttons on dialog */
button = ((key == KEY_LEFT ? --button : ++button) < 0)
- ? 1 : (button > 1 ? 0 : button);
+ ? (btn_t + 1) : (button > (btn_t + 1) ? 0 : button);

- print_buttons(dialog, height, width, button);
+ print_buttons(dialog, height, width, button, btn_t);
wrefresh(dialog);
break;
case ' ':
--
Sean

-
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