cfdisk: support UI refresh on ^L

Addresses: https://github.com/karelzak/util-linux/issues/404
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/disk-utils/cfdisk.c b/disk-utils/cfdisk.c
index 4e1f13b5f0d0a693d8b031582379624a14ef4af2..2102013af047cd5ca32b613e184cb1f0f1ecc210 100644 (file)
--- a/disk-utils/cfdisk.c
+++ b/disk-utils/cfdisk.c
@@ -1517,12 +1517,19 @@ static int ui_menu_move(struct cfdisk *cf, int key)
                }
        }
 
-       return 1;       /* key irrelevant for menu move */
+       if (key == '\014') {            /* ^L refresh */
+               ui_menu_resize(cf);
+               return 0;
+       }
+
+       DBG(MENU, ul_debug(" no memu move key"));
+       return 1;
 }
 
 /* but don't call me from ui_run(), this is for pop-up menus only */
 static void ui_menu_resize(struct cfdisk *cf)
 {
+       DBG(MENU, ul_debug("memu resize/refresh"));
        resize();
        ui_clean_menu(cf);
        menu_refresh_size(cf);
@@ -2394,6 +2401,7 @@ static int main_menu_action(struct cfdisk *cf, int key)
 
 static void ui_resize_refresh(struct cfdisk *cf)
 {
+       DBG(UI, ul_debug("ui resize/refresh"));
        resize();
        menu_refresh_size(cf);
        lines_refresh(cf);
@@ -2469,10 +2477,14 @@ static int ui_run(struct cfdisk *cf)
                        ui_resize_refresh(cf);
                if (key == ERR)
                        continue;
+               if (key == '\014') {            /* ^L refresh */
+                       ui_resize_refresh(cf);
+                       continue;
+               }
                if (ui_menu_move(cf, key) == 0)
                        continue;
 
-               DBG(UI, ul_debug("main action key >%c<.", key));
+               DBG(UI, ul_debug("main action key >%1$c< [\\0%1$o].", key));
 
                switch (key) {
                case KEY_DOWN: