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kconfig: make lxdialog/menubox.c more readable 

Utilising a small macro for print_item made wonders for readability
for this file.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Sam Ravnborg 2005-11-20 23:34:35 +01:00
parent 7c3badf96e
commit 59d3cf7a40
1 changed files with 18 additions and 24 deletions
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42
scripts/lxdialog/menubox.c
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@ -64,8 +64,8 @@ static int menu_width;
/*
* Print menu item
*/
static void print_item(WINDOW * win, const char *item, int choice,
int selected, int hotkey)
static void do_print_item(WINDOW * win, const char *item, int choice,
int selected, int hotkey)
{
int j;
char *menu_item = malloc(menu_width + 1);
@ -99,6 +99,12 @@ static void print_item(WINDOW * win, const char *item, int choice,
wrefresh(win);
}
#define print_item(index, choice, selected) \
do {\
int hotkey = (items[(index) * 2][0] != ':'); \
do_print_item(menu, items[(index) * 2 + 1], choice, selected, hotkey); \
} while (0)
/*
* Print the scroll indicators.
*/
@ -251,9 +257,7 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
/* Print the menu */
for (i = 0; i < max_choice; i++) {
print_item(menu, items[(first_item + i) * 2 + 1], i,
i == choice,
(items[(first_item + i) * 2][0] != ':'));
print_item(first_item + i, i, i == choice);
}
wnoutrefresh(menu);
@ -292,34 +296,27 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
key == '-' || key == '+' ||
key == KEY_PPAGE || key == KEY_NPAGE) {
/* Remove highligt of current item */
print_item(menu, items[(scroll + choice) * 2 + 1],
choice, FALSE,
(items[(scroll + choice) * 2][0] != ':'));
print_item(scroll + choice, choice, FALSE);
if (key == KEY_UP || key == '-') {
if (choice < 2 && scroll) {
/* Scroll menu down */
do_scroll(menu, &scroll, -1);
print_item(menu, items[scroll * 2 + 1], 0, FALSE,
(items[scroll * 2][0] != ':'));
print_item(scroll, 0, FALSE);
} else
choice = MAX(choice - 1, 0);
} else if (key == KEY_DOWN || key == '+') {
print_item(menu,
items[(scroll + choice) * 2 + 1], choice, FALSE,
(items[(scroll + choice) * 2][0] != ':'));
print_item(scroll+choice, choice, FALSE);
if ((choice > max_choice - 3) &&
(scroll + max_choice < item_no)) {
/* Scroll menu up */
do_scroll(menu, &scroll, 1);
print_item(menu, items[(scroll + max_choice - 1) * 2 + 1],
max_choice - 1, FALSE,
(items [(scroll + max_choice - 1) * 2][0] != ':'));
print_item(scroll+max_choice - 1,
max_choice - 1, FALSE);
} else
choice = MIN(choice + 1, max_choice - 1);
@ -328,8 +325,7 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
for (i = 0; (i < max_choice); i++) {
if (scroll > 0) {
do_scroll(menu, &scroll, -1);
print_item(menu, items[scroll * 2 + 1], 0, FALSE,
(items[scroll * 2][0] != ':'));
print_item(scroll, 0, FALSE);
} else {
if (choice > 0)
choice--;
@ -340,9 +336,8 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
for (i = 0; (i < max_choice); i++) {
if (scroll + max_choice < item_no) {
do_scroll(menu, &scroll, 1);
print_item(menu, items[(scroll + max_choice - 1) * 2 + 1],
max_choice - 1, FALSE,
(items [(scroll + max_choice - 1) * 2][0] != ':'));
print_item(scroll+max_choice-1,
max_choice - 1, FALSE);
} else {
if (choice + 1 < max_choice)
choice++;
@ -351,8 +346,7 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
} else
choice = i;
print_item(menu, items[(scroll + choice) * 2 + 1],
choice, TRUE, (items[(scroll + choice) * 2][0] != ':'));
print_item(scroll + choice, choice, TRUE);
print_arrows(dialog, item_no, scroll,
box_y, box_x + ITEM_IDENT + 1, menu_height);