ui/ncurses: Move general nc init code to cui module

[petitboot] / ui / ncurses / nc-cui.c

diff --git a/ui/ncurses/nc-cui.c b/ui/ncurses/nc-cui.c
index 33a9f73e81b966f50e2a11a1793edb94be3c3793..adbb3d60d9875904ef28878f42f7b820bf1cc128 100644 (file)
--- a/ui/ncurses/nc-cui.c
+++ b/ui/ncurses/nc-cui.c
@@ -40,6 +40,35 @@ static struct cui_opt_data *cod_from_item(struct pmenu_item *item)
        return item->data;
 }
 
+static void cui_start(void)
+{
+       initscr();                      /* Initialize ncurses. */
+       cbreak();                       /* Disable line buffering. */
+       noecho();                       /* Disable getch() echo. */
+       keypad(stdscr, TRUE);           /* Enable num keypad keys. */
+       nonl();                         /* Disable new-line translation. */
+       intrflush(stdscr, FALSE);       /* Disable interrupt flush. */
+       curs_set(0);                    /* Make cursor invisible */
+       nodelay(stdscr, TRUE);          /* Enable non-blocking getch() */
+
+       /* We may be operating with an incorrect $TERM type; in this case
+        * the keymappings will be slightly broken. We want at least
+        * backspace to work though, so we'll define both DEL and ^H to
+        * map to backspace */
+       define_key("\x7f", KEY_BACKSPACE);
+       define_key("\x08", KEY_BACKSPACE);
+
+       while (getch() != ERR)          /* flush stdin */
+               (void)0;
+}
+
+static void cui_atexit(void)
+{
+       clear();
+       refresh();
+       endwin();
+}
+
 /**
  * cui_abort - Signal the main cui program loop to exit.
  *
@@ -60,12 +89,12 @@ void cui_abort(struct cui *cui)
 
 void cui_resize(struct cui *cui)
 {
-       pb_log("%s: resizing\n", __func__);
+       pb_debug("%s: resizing\n", __func__);
        cui->resize = 1;
 }
 
 /**
- * cui_on_exit - A generic main menu ESC callback.
+ * cui_on_exit - A generic main menu exit callback.
  */
 
 void cui_on_exit(struct pmenu *menu)
@@ -112,7 +141,7 @@ static int cui_boot(struct pmenu_item *item)
 
        assert(cui->current == &cui->main->scr);
 
-       pb_log("%s: %s\n", __func__, cod->name);
+       pb_debug("%s: %s\n", __func__, cod->name);
 
        nc_scr_status_printf(cui->current, "Booting %s...", cod->name);
 
@@ -302,7 +331,7 @@ static void cui_handle_resize(struct cui *cui)
                return;
        }
 
-       pb_log("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
+       pb_debug("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
 
        wclear(cui->current->main_ncw);
        resize_term(ws.ws_row, ws.ws_col);
@@ -331,7 +360,7 @@ static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
        ITEM *selected;
        int result;
 
-       pb_log("%s: %p %s\n", __func__, opt, opt->id);
+       pb_debug("%s: %p %s\n", __func__, opt, opt->id);
 
        selected = current_item(cui->main->ncm);
 
@@ -558,8 +587,8 @@ retry_start:
                goto fail_client_init;
        }
 
-       atexit(nc_atexit);
-       nc_start();
+       atexit(cui_atexit);
+       cui_start();
 
        waiter_register_io(cui->waitset, STDIN_FILENO, WAIT_IN,
                        cui_process_key, cui);
@@ -618,7 +647,7 @@ int cui_run(struct cui *cui, struct pmenu *main, unsigned int default_item)
                }
        }
 
-       nc_atexit();
+       cui_atexit();
 
        return cui->abort ? 0 : -1;
 }