ui/ncurses: Abstract text-screen code from sysinfo screen

[petitboot] / ui / ncurses / nc-textscreen.h

diff --git a/ui/ncurses/nc-textscreen.h b/ui/ncurses/nc-textscreen.h
new file mode 100644 (file)
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+++ b/ui/ncurses/nc-textscreen.h
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+/*
+ *  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
+ */
+
+#ifndef _NC_TEXTSCREEN_H
+#define _NC_TEXTSCREEN_H
+
+#include "types/types.h"
+#include "nc-cui.h"
+
+struct text_screen {
+       struct nc_scr   scr;
+       struct cui      *cui;
+       char            **lines;
+       int             n_lines;
+       int             n_alloc_lines;
+       int             scroll_y;
+       void            (*on_exit)(struct cui *);
+};
+
+void text_screen_init(struct text_screen *screen, struct cui *cui,
+               const char *title, void (*on_exit)(struct cui *));
+
+struct text_screen *text_screen_from_scr(struct nc_scr *scr);
+struct nc_scr *text_screen_scr(struct text_screen *screen);
+
+/* content modification */
+void text_screen_clear(struct text_screen *screen);
+void text_screen_append_line(struct text_screen *screen,
+               const char *fmt, ...) __attribute__((format(printf, 2, 3)));
+
+/* interaction */
+void text_screen_process_key(struct nc_scr *scr, int key);
+void text_screen_draw(struct text_screen *screen);
+
+
+#endif /* defined _NC_TEXTSCREEN_H */