kconfig/lxdialog: support resize

[safe/jmp/linux-2.6] / scripts / kconfig / lxdialog / menubox.c

diff --git a/scripts/kconfig/lxdialog/menubox.c b/scripts/kconfig/lxdialog/menubox.c
index d3305ba..fcd95a9 100644 (file)
--- a/scripts/kconfig/lxdialog/menubox.c
+++ b/scripts/kconfig/lxdialog/menubox.c
@@ -179,14 +179,25 @@ static void do_scroll(WINDOW *win, int *scroll, int n)
 /*
  * Display a menu for choosing among a number of options
  */
-int dialog_menu(const char *title, const char *prompt, int height, int width,
-                int menu_height, const void *selected, int *s_scroll)
+int dialog_menu(const char *title, const char *prompt,
+                const void *selected, int *s_scroll)
 {
        int i, j, x, y, box_x, box_y;
+       int height, width, menu_height;
        int key = 0, button = 0, scroll = 0, choice = 0;
        int first_item =  0, max_choice;
        WINDOW *dialog, *menu;
 
+do_resize:
+       height = getmaxy(stdscr);
+       width = getmaxx(stdscr);
+       if (height < 15 || width < 65)
+               return -ERRDISPLAYTOOSMALL;
+
+       height -= 4;
+       width  -= 5;
+       menu_height = height - 10;
+
        max_choice = MIN(menu_height, item_count());
 
        /* center dialog box on screen */
@@ -226,7 +237,10 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
        draw_box(dialog, box_y, box_x, menu_height + 2, menu_width + 2,
                 dlg.menubox_border.atr, dlg.menubox.atr);
 
-       item_x = (menu_width - 70) / 2;
+       if (menu_width >= 80)
+               item_x = (menu_width - 70) / 2;
+       else
+               item_x = 4;
 
        /* Set choice to default item */
        item_foreach()
@@ -407,6 +421,11 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
                case KEY_ESC:
                        key = on_key_esc(menu);
                        break;
+               case KEY_RESIZE:
+                       on_key_resize();
+                       delwin(menu);
+                       delwin(dialog);
+                       goto do_resize;
                }
        }
        delwin(menu);