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[menu] Adapt user interface to fit display size 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/17/head
Michael Brown 2013-12-06 17:00:06 +00:00
parent 0344dc0094
commit f79592545b
1 changed files with 8 additions and 8 deletions
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16
src/hci/tui/menu_ui.c
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@ -40,19 +40,19 @@ FILE_LICENCE ( GPL2_OR_LATER );
#define CPAIR_SEPARATOR 3 #define CPAIR_SEPARATOR 3
/* Screen layout */ /* Screen layout */
#define TITLE_ROW 1 #define TITLE_ROW 1U
#define MENU_ROW 3 #define MENU_ROW 3U
#define MENU_COL 1 #define MENU_COL 1U
#define MENU_ROWS 18 #define MENU_ROWS ( LINES - 2U - MENU_ROW )
#define MENU_COLS 78 #define MENU_COLS ( COLS - 2U )
#define MENU_PAD 2 #define MENU_PAD 2U
/** A menu user interface */ /** A menu user interface */
struct menu_ui { struct menu_ui {
/** Menu */ /** Menu */
struct menu *menu; struct menu *menu;
/** Number of menu items */ /** Number of menu items */
int count; unsigned int count;
/** Currently selected item */ /** Currently selected item */
int selected; int selected;
/** First visible item */ /** First visible item */
@ -269,7 +269,7 @@ static int menu_loop ( struct menu_ui *ui, struct menu_item **selected ) {
if ( ui->selected < 0 ) { if ( ui->selected < 0 ) {
ui->selected = 0; ui->selected = 0;
move = +1; move = +1;
} else if ( ui->selected >= ui->count ) { } else if ( ui->selected >= ( int ) ui->count ) {
ui->selected = ( ui->count - 1 ); ui->selected = ( ui->count - 1 );
move = -1; move = -1;
} }