ui/ncurses: Improve update handling in nested screens

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

diff --git a/ui/ncurses/nc-textscreen.c b/ui/ncurses/nc-textscreen.c
index 826244cb0a0e9618f086e5a47d133ca751a8de2f..55428e791986d102665fc0aaa42fa36addea3fda 100644 (file)
--- a/ui/ncurses/nc-textscreen.c
+++ b/ui/ncurses/nc-textscreen.c
@@ -183,6 +183,13 @@ void text_screen_set_help(struct text_screen *screen, const char *title,
 
 static int text_screen_post(struct nc_scr *scr)
 {
+       struct text_screen *screen = text_screen_from_scr(scr);
+
+       if (screen->need_update) {
+               text_screen_draw(screen);
+               screen->need_update = false;
+       }
+
        nc_scr_frame_draw(scr);
        redrawwin(scr->main_ncw);
        wrefresh(scr->main_ncw);
@@ -202,6 +209,7 @@ void text_screen_init(struct text_screen *screen, struct cui *cui,
 
        screen->cui = cui;
        screen->on_exit = on_exit;
+       screen->need_update = false;
 
        screen->scr.frame.ltitle = talloc_strdup(screen, title);
        screen->scr.frame.rtitle = NULL;