kconfig: Fix indention when using menuconfig in text-onle consoles

When using menuconfig in a text-only console (no X started)
the indention was often two spaces wrong. This proved to be a ncurses
issue which are worked around by calling wrefresh more often.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

1 files changed, 18 insertions, 19 deletions

diff --git a/scripts/lxdialog/menubox.c b/scripts/lxdialog/menubox.c
index 89fcf418a07a..461ee08edc05 100644
--- a/scripts/lxdialog/menubox.c
+++ b/scripts/lxdialog/menubox.c
@@ -94,9 +94,9 @@ static void print_item(WINDOW * win, const char *item, int choice,
         }
         if (selected) {
                 wmove(win, choice, ITEM_IDENT + 1);
-                wrefresh(win);
         }
         free(menu_item);
+        wrefresh(win);
 }
 
 /*
@@ -125,6 +125,7 @@ static void print_arrows(WINDOW * win, int item_no, int scroll, int y, int x,
 
         y = y + height + 1;
         wmove(win, y, x);
+        wrefresh(win);
 
         if ((height < item_no) && (scroll + height < item_no)) {
                 wattrset(win, darrow_attr);
@@ -139,6 +140,7 @@ static void print_arrows(WINDOW * win, int item_no, int scroll, int y, int x,
         }
 
         wmove(win, cur_y, cur_x);
+        wrefresh(win);
 }
 
 /*
@@ -157,6 +159,17 @@ static void print_buttons(WINDOW * win, int height, int width, int selected)
         wrefresh(win);
 }
 
+/* scroll up n lines (n may be negative) */
+static void do_scroll(WINDOW *win, int *scroll, int n)
+{
+        /* Scroll menu up */
+        scrollok(win, TRUE);
+        wscrl(win, n);
+        scrollok(win, FALSE);
+        *scroll = *scroll + n;
+        wrefresh(win);
+}
+
 /*
  * Display a menu for choosing among a number of options
  */
@@ -286,11 +299,7 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
                         if (key == KEY_UP || key == '-') {
                                 if (choice < 2 && scroll) {
                                         /* Scroll menu down */
-                                        scrollok(menu, TRUE);
-                                        wscrl(menu, -1);
-                                        scrollok(menu, FALSE);
-
-                                        scroll--;
+                                        do_scroll(menu, &scroll, -1);
 
                                         print_item(menu, items[scroll * 2 + 1], 0, FALSE,
                                                    (items[scroll * 2][0] != ':'));
@@ -306,11 +315,7 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
                                 if ((choice > max_choice - 3) &&
                                     (scroll + max_choice < item_no)) {
                                         /* Scroll menu up */
-                                        scrollok(menu, TRUE);
-                                        wscrl(menu, 1);
-                                        scrollok(menu, FALSE);
-
-                                        scroll++;
+                                        do_scroll(menu, &scroll, 1);
 
                                         print_item(menu, items[(scroll + max_choice - 1) * 2 + 1],
                                                    max_choice - 1, FALSE,
@@ -322,8 +327,7 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
                                 scrollok(menu, TRUE);
                                 for (i = 0; (i < max_choice); i++) {
                                         if (scroll > 0) {
-                                                wscrl(menu, -1);
-                                                scroll--;
+                                                do_scroll(menu, &scroll, -1);
                                                 print_item(menu, items[scroll * 2 + 1], 0, FALSE,
                                                            (items[scroll * 2][0] != ':'));
                                         } else {
@@ -331,15 +335,11 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
                                                         choice--;
                                         }
                                 }
-                                scrollok(menu, FALSE);
 
                         } else if (key == KEY_NPAGE) {
                                 for (i = 0; (i < max_choice); i++) {
                                         if (scroll + max_choice < item_no) {
-                                                scrollok(menu, TRUE);
-                                                wscrl(menu, 1);
-                                                scrollok(menu, FALSE);
-                                                scroll++;
+                                                do_scroll(menu, &scroll, 1);
                                                 print_item(menu, items[(scroll + max_choice - 1) * 2 + 1],
                                                            max_choice - 1, FALSE,
                                                            (items [(scroll + max_choice - 1) * 2][0] != ':'));
@@ -348,7 +348,6 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
                                                         choice++;
                                         }
                                 }
-
                         } else
                                 choice = i;