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Alert when saving settings fails

This commit is contained in:
Michael Brown 2006-12-20 03:43:24 +00:00
parent 4b33c03942
commit 65e97c4f22
1 changed files with 27 additions and 5 deletions
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32
src/hci/tui/settings_ui.c
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@ -16,6 +16,7 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <unistd.h>
#include <string.h>
#include <curses.h>
#include <console.h>
@ -35,10 +36,12 @@ extern struct nvo_block *ugly_nvo_hack;
#define CPAIR_NORMAL 1
#define CPAIR_SELECT 2
#define CPAIR_EDIT 3
#define CPAIR_ALERT 4
/* Screen layout */
#define SETTINGS_LIST_ROW 3
#define SETTINGS_LIST_COL 1
#define ALERT_ROW 20
/** Layout of text within a setting widget */
struct setting_row {
@ -107,7 +110,6 @@ static void load_setting ( struct setting_widget *widget ) {
* @v widget Setting widget
*/
static int save_setting ( struct setting_widget *widget ) {
widget->editing = 0;
return widget->setting->type->set ( widget->context, widget->setting,
widget->value );
}
@ -203,6 +205,23 @@ static void init_setting_index ( struct setting_widget *widget,
( SETTINGS_LIST_ROW + index ), SETTINGS_LIST_COL );
}
static void alert ( const char *fmt, ... ) {
char buf[COLS];
va_list args;
size_t len;
va_start ( args, fmt );
len = vsnprintf ( buf, sizeof ( buf ), fmt, args );
va_end ( args );
color_set ( CPAIR_ALERT, NULL );
mvprintw ( ALERT_ROW, ( ( COLS - len ) / 2 ), "%s", buf );
sleep ( 2 );
color_set ( CPAIR_NORMAL, NULL );
move ( ALERT_ROW, 0 );
clrtoeol();
}
static void main_loop ( struct config_context *context ) {
struct setting_widget widget;
unsigned int current = 0;
@ -231,9 +250,11 @@ static void main_loop ( struct config_context *context ) {
switch ( key ) {
case 0x0a: /* Enter */
if ( ( rc = save_setting ( &widget ) ) != 0 ) {
alert ( " Could not set %s: %s ",
widget.setting->name,
strerror ( -rc ) );
}
break;
/* Fall through */
case 0x03: /* Ctrl-C */
load_setting ( &widget );
break;
@ -274,8 +295,9 @@ void uitest ( void ) {
initscr();
start_color();
init_pair ( CPAIR_NORMAL, COLOR_WHITE, COLOR_BLUE );
init_pair ( CPAIR_SELECT, COLOR_WHITE, COLOR_RED );
init_pair ( CPAIR_EDIT, COLOR_BLACK, COLOR_GREEN );
init_pair ( CPAIR_SELECT, COLOR_BLACK, COLOR_WHITE );
init_pair ( CPAIR_EDIT, COLOR_BLACK, COLOR_CYAN );
init_pair ( CPAIR_ALERT, COLOR_WHITE, COLOR_RED );
color_set ( CPAIR_NORMAL, NULL );
erase();