ui/ncurses: Add nc-subset selection screen

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

diff --git a/ui/ncurses/nc-cui.c b/ui/ncurses/nc-cui.c
index 3f1e0a265176c0377315448d6398a074ea6ae88f..2fc779e4140044de6b954ab2ccdea6b82a0176e2 100644 (file)
--- a/ui/ncurses/nc-cui.c
+++ b/ui/ncurses/nc-cui.c
@@ -41,6 +41,7 @@
 #include "nc-sysinfo.h"
 #include "nc-lang.h"
 #include "nc-helpscreen.h"
+#include "nc-subset.h"
 
 extern const struct help_text main_menu_help_text;
 
@@ -69,6 +70,16 @@ static void cui_start(void)
         */
        define_key("\x1b[Z", KEY_BTAB);
 
+       /* We'll define a few other keys too since they're commonly
+        * used for navigation but the escape character will cause
+        * Petitboot to exit if they're left undefined */
+       define_key("\x1b\x5b\x35\x7e", KEY_PPAGE);
+       define_key("\x1b\x5b\x36\x7e", KEY_NPAGE);
+       define_key("\x1b\x4f\x48", KEY_HOME);
+       define_key("\x1b\x4f\x46", KEY_END);
+       define_key("OH", KEY_HOME);
+       define_key("OF", KEY_END);
+
        while (getch() != ERR)          /* flush stdin */
                (void)0;
 }
@@ -318,6 +329,29 @@ void cui_show_help(struct cui *cui, const char *title,
                cui_set_current(cui, help_screen_scr(cui->help_screen));
 }
 
+static void cui_subset_exit(struct cui *cui)
+{
+       cui_set_current(cui, subset_screen_return_scr(cui->subset_screen));
+       talloc_free(cui->subset_screen);
+       cui->subset_screen = NULL;
+}
+
+void cui_show_subset(struct cui *cui, const char *title,
+                    void *arg)
+{
+       if (!cui->current)
+               return;
+
+       if (cui->subset_screen)
+               return;
+
+       cui->subset_screen = subset_screen_init(cui, cui->current,
+                       title, arg, cui_subset_exit);
+
+       if (cui->subset_screen)
+               cui_set_current(cui, subset_screen_scr(cui->subset_screen));
+}
+
 /**
  * cui_set_current - Set the currently active screen and redraw it.
  */