ui/ncurses: Add help facility to text screens

[petitboot] / ui / ncurses / nc-textscreen.c

diff --git a/ui/ncurses/nc-textscreen.c b/ui/ncurses/nc-textscreen.c
index 891c8a1c91939512ea5e47ffd50946d6d669de7e..d5b894e8f8c87d5868e1cdd44db52c56a7b975c8 100644 (file)
--- a/ui/ncurses/nc-textscreen.c
+++ b/ui/ncurses/nc-textscreen.c
@@ -150,6 +150,11 @@ void text_screen_process_key(struct nc_scr *scr, int key)
        case KEY_UP:
                text_screen_scroll(screen, key);
                break;
+       case 'h':
+               if (screen->help_text)
+                       cui_show_help(screen->cui, screen->help_title,
+                                       screen->help_text);
+               break;
        default:
                break;
        }
@@ -166,6 +171,14 @@ struct nc_scr *text_screen_scr(struct text_screen *screen)
        return &screen->scr;
 }
 
+void text_screen_set_help(struct text_screen *screen, const char *title,
+               const char *text)
+{
+       screen->help_title = title;
+       screen->help_text = text;
+       screen->scr.frame.help = "x=exit h=help";
+}
+
 static int text_screen_post(struct nc_scr *scr)
 {
        nc_scr_frame_draw(scr);