diff options
author | Jeremy Kerr <jk@ozlabs.org> | 2013-12-10 11:48:25 +0800 |
---|---|---|
committer | Jeremy Kerr <jk@ozlabs.org> | 2014-01-31 08:46:34 +0800 |
commit | 140f5b13c7513b2d594457cc8d7d0cb1a7d844a4 (patch) | |
tree | 963071659ac423bf8c7f4da9a67460556d228fc2 /ui/ncurses/nc-helpscreen.c | |
parent | 702f9c313dea66817cf05196d84cd07889e80c51 (diff) | |
download | talos-petitboot-140f5b13c7513b2d594457cc8d7d0cb1a7d844a4.tar.gz talos-petitboot-140f5b13c7513b2d594457cc8d7d0cb1a7d844a4.zip |
ui/ncurses: Add support for help screens
Add a textscreen-based help screen system, triggered from the cui
module's cui_show_help()
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Diffstat (limited to 'ui/ncurses/nc-helpscreen.c')
-rw-r--r-- | ui/ncurses/nc-helpscreen.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/ui/ncurses/nc-helpscreen.c b/ui/ncurses/nc-helpscreen.c new file mode 100644 index 0000000..d70a8ec --- /dev/null +++ b/ui/ncurses/nc-helpscreen.c @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2013 IBM Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#if defined(HAVE_CONFIG_H) +#include "config.h" +#endif + +#include <string.h> + +#include <talloc/talloc.h> +#include <types/types.h> +#include <log/log.h> +#include <util/util.h> + +#include "nc-cui.h" +#include "nc-textscreen.h" +#include "nc-helpscreen.h" + +struct help_screen { + struct text_screen text_scr; + struct nc_scr *return_scr; +}; + +struct nc_scr *help_screen_scr(struct help_screen *screen) +{ + return text_screen_scr(&screen->text_scr); +} + +struct nc_scr *help_screen_return_scr(struct help_screen *screen) +{ + return screen->return_scr; +} + +struct help_screen *help_screen_init(struct cui *cui, + struct nc_scr *current_scr, + const char *title_suffix, const char *text, + void (*on_exit)(struct cui *)) +{ + struct help_screen *screen; + const char *title; + + screen = talloc_zero(cui, struct help_screen); + screen->return_scr = current_scr; + + title = "Petitboot help"; + if (title_suffix) + title = talloc_asprintf(screen, + "Petitboot help: %s", title_suffix); + + text_screen_init(&screen->text_scr, cui, title, on_exit); + text_screen_set_text(&screen->text_scr, text); + text_screen_draw(&screen->text_scr); + + return screen; +} |