X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=ui%2Fncurses%2Fnc-textscreen.c;h=a460188180ab10621d2dca5176ee6f6b139cecce;hp=4ae0db42dfb989c824a5ddb1e2a036bdb6bcd35d;hb=ba14fc8ec91b54be57fdf2ca373e3d140ae2b6d6;hpb=494988c501287e03da3becba5c03cbce7c3d9d20

diff --git a/ui/ncurses/nc-textscreen.c b/ui/ncurses/nc-textscreen.c
index 4ae0db4..a460188 100644
--- a/ui/ncurses/nc-textscreen.c
+++ b/ui/ncurses/nc-textscreen.c
@@ -41,14 +41,15 @@ struct text_screen *text_screen_from_scr(struct nc_scr *scr)
 
 void text_screen_draw(struct text_screen *screen)
 {
-	int max_y, i;
+	int max_y, max_x, i;
 
 	max_y = getmaxy(screen->scr.sub_ncw);
+	max_x = getmaxx(screen->scr.sub_ncw) - 1;
 
 	max_y = min(max_y, screen->scroll_y + screen->n_lines);
 
 	for (i = screen->scroll_y; i < max_y; i++)
-		mvwaddstr(screen->scr.sub_ncw, i, 1, screen->lines[i]);
+		mvwaddnstr(screen->scr.sub_ncw, i, 1, screen->lines[i], max_x);
 
 	wrefresh(screen->scr.sub_ncw);
 }
@@ -56,6 +57,7 @@ void text_screen_draw(struct text_screen *screen)
 static void text_screen_scroll(struct text_screen *screen, int key)
 {
 	int win_lines = getmaxy(screen->scr.sub_ncw);
+	int win_cols = getmaxx(screen->scr.sub_ncw) - 1;
 	int delta;
 
 	if (key == KEY_UP)
@@ -74,11 +76,12 @@ static void text_screen_scroll(struct text_screen *screen, int key)
 	wscrl(screen->scr.sub_ncw, delta);
 
 	if (delta > 0) {
-		mvwaddstr(screen->scr.sub_ncw, win_lines - 1, 1,
-				screen->lines[screen->scroll_y+win_lines-1]);
+		mvwaddnstr(screen->scr.sub_ncw, win_lines - 1, 1,
+				screen->lines[screen->scroll_y+win_lines-1],
+				win_cols);
 	} else if (delta < 0) {
-		mvwaddstr(screen->scr.sub_ncw, 0, 1,
-				screen->lines[screen->scroll_y]);
+		mvwaddnstr(screen->scr.sub_ncw, 0, 1,
+				screen->lines[screen->scroll_y], win_cols);
 	}
 
 	wrefresh(screen->scr.sub_ncw);
@@ -135,7 +138,7 @@ static int text_screen_fold_cb(void *arg, const char *buf, int len)
 
 void text_screen_set_text(struct text_screen *screen, const char *text)
 {
-	fold_text(text, getmaxx(screen->scr.sub_ncw), text_screen_fold_cb,
+	fold_text(text, getmaxx(screen->scr.sub_ncw) - 1, text_screen_fold_cb,
 			screen);
 }
 
@@ -174,7 +177,7 @@ struct nc_scr *text_screen_scr(struct text_screen *screen)
 }
 
 void text_screen_set_help(struct text_screen *screen, const char *title,
-		const char *text)
+		const struct help_text *text)
 {
 	screen->help_title = title;
 	screen->help_text = text;
@@ -183,6 +186,13 @@ 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 +212,7 @@ 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;