5 files changed, 21 insertions, 5 deletions

diff --git a/ui/ncurses/nc-add-url.c b/ui/ncurses/nc-add-url.c
index 386d813..cf55b03 100644
--- a/ui/ncurses/nc-add-url.c
+++ b/ui/ncurses/nc-add-url.c
@@ -43,6 +43,7 @@ struct add_url_screen {
 
 	bool			exit;
 	bool			show_help;
+	bool			need_redraw;
 	void			(*on_exit)(struct cui *);
 
 	int			label_x;
@@ -93,6 +94,7 @@ static void add_url_screen_process_key(struct nc_scr *scr, int key)
 
 	} else if (screen->show_help) {
 		screen->show_help = false;
+		screen->need_redraw = true;
 		cui_show_help(screen->cui, _("Retrieve Config"),
 			&add_url_help_text);
 
@@ -106,7 +108,10 @@ static int add_url_screen_post(struct nc_scr *scr)
 	struct add_url_screen *screen = add_url_screen_from_scr(scr);
 	widgetset_post(screen->widgetset);
 	nc_scr_frame_draw(scr);
-	redrawwin(scr->main_ncw);
+	if (screen->need_redraw) {
+		redrawwin(scr->main_ncw);
+		screen->need_redraw = false;
+	}
 	wrefresh(screen->scr.main_ncw);
 	return 0;
 }
@@ -224,6 +229,7 @@ struct add_url_screen *add_url_screen_init(struct cui *cui,
 	screen->on_exit = on_exit;
 	screen->label_x = 2;
 	screen->field_x = 25;
+	screen->need_redraw = false;
 
 	nc_scr_init(&screen->scr, pb_add_url_screen_sig, 0,
 		cui, add_url_screen_process_key,
diff --git a/ui/ncurses/nc-boot-editor.c b/ui/ncurses/nc-boot-editor.c
index f78da56..274bd9d 100644
--- a/ui/ncurses/nc-boot-editor.c
+++ b/ui/ncurses/nc-boot-editor.c
@@ -44,6 +44,7 @@ struct boot_editor {
 	void			(*on_exit)(struct cui *cui,
 					struct pmenu_item *item,
 					struct pb_boot_data *bd);
+	bool			need_redraw;
 
 	int			label_x;
 	int			field_x;
@@ -111,7 +112,10 @@ static int boot_editor_post(struct nc_scr *scr)
 	struct boot_editor *boot_editor = boot_editor_from_scr(scr);
 	widgetset_post(boot_editor->widgetset);
 	nc_scr_frame_draw(scr);
-	redrawwin(scr->main_ncw);
+	if (boot_editor->need_redraw) {
+		redrawwin(scr->main_ncw);
+		boot_editor->need_redraw = false;
+	}
 	wrefresh(boot_editor->scr.main_ncw);
 	pad_refresh(boot_editor);
 	return 0;
@@ -231,6 +235,7 @@ static void boot_editor_process_key(struct nc_scr *scr, int key)
 		break;
 	case STATE_HELP:
 		boot_editor->state = STATE_EDIT;
+		boot_editor->need_redraw = true;
 		cui_show_help(boot_editor->cui, _("Boot Option Editor"),
 				&boot_editor_help_text);
 		break;
@@ -568,6 +573,7 @@ struct boot_editor *boot_editor_init(struct cui *cui,
 	boot_editor->item = item;
 	boot_editor->on_exit = on_exit;
 	boot_editor->state = STATE_EDIT;
+	boot_editor->need_redraw = false;
 
 	int ncols1 = strncols(_("Device tree:"));
 	int ncols2 = strncols(_("Boot arguments:"));
diff --git a/ui/ncurses/nc-config.c b/ui/ncurses/nc-config.c
index 17cc380..c45df34 100644
--- a/ui/ncurses/nc-config.c
+++ b/ui/ncurses/nc-config.c
@@ -57,6 +57,7 @@ struct config_screen {
 
 	bool			exit;
 	bool			show_help;
+	bool			need_redraw;
 	void			(*on_exit)(struct cui *);
 
 	int			scroll_y;
@@ -146,6 +147,7 @@ static void config_screen_process_key(struct nc_scr *scr, int key)
 
 	} else if (screen->show_help) {
 		screen->show_help = false;
+		screen->need_redraw = true;
 		cui_show_help(screen->cui, _("System Configuration"),
 				&config_help_text);
 
@@ -165,7 +167,10 @@ static int config_screen_post(struct nc_scr *scr)
 	struct config_screen *screen = config_screen_from_scr(scr);
 	widgetset_post(screen->widgetset);
 	nc_scr_frame_draw(scr);
-	redrawwin(scr->main_ncw);
+	if (screen->need_redraw) {
+		redrawwin(scr->main_ncw);
+		screen->need_redraw = false;
+	}
 	wrefresh(screen->scr.main_ncw);
 	pad_refresh(screen);
 	return 0;
@@ -859,6 +864,7 @@ struct config_screen *config_screen_init(struct cui *cui,
 
 	screen->cui = cui;
 	screen->on_exit = on_exit;
+	screen->need_redraw = false;
 	screen->label_x = 2;
 	screen->field_x = 17;
 
diff --git a/ui/ncurses/nc-lang.c b/ui/ncurses/nc-lang.c
index 0422ebb..0b87156 100644
--- a/ui/ncurses/nc-lang.c
+++ b/ui/ncurses/nc-lang.c
@@ -131,7 +131,6 @@ static int lang_screen_post(struct nc_scr *scr)
 	struct lang_screen *screen = lang_screen_from_scr(scr);
 	widgetset_post(screen->widgetset);
 	nc_scr_frame_draw(scr);
-	redrawwin(scr->main_ncw);
 	wrefresh(screen->scr.main_ncw);
 	pad_refresh(screen);
 	return 0;
diff --git a/ui/ncurses/nc-menu.c b/ui/ncurses/nc-menu.c
index 7ff2468..b8f9a35 100644
--- a/ui/ncurses/nc-menu.c
+++ b/ui/ncurses/nc-menu.c
@@ -62,7 +62,6 @@ static int pmenu_post(struct nc_scr *scr)
 	result = post_menu(menu->ncm);
 
 	nc_scr_frame_draw(scr);
-	redrawwin(menu->scr.main_ncw);
 	wrefresh(menu->scr.main_ncw);
 
 	return result;