ui.h

   1 /*
   2 Calf Box, an open source musical instrument.
   3 Copyright (C) 2010 Krzysztof Foltman
   4
   5 This program is free software: you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation, either version 3 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 #ifndef CBOX_UI_H
  20 #define CBOX_UI_H
  21
  22 struct cbox_ui_page
  23 {
  24     void *user_data;
  25     void (*draw)(struct cbox_ui_page *page);
  26     int (*on_key)(struct cbox_ui_page *page, int ch);
  27     int (*on_idle)(struct cbox_ui_page *page);
  28 };
  29
  30 extern void cbox_ui_start(void);
  31 extern int cbox_ui_run(struct cbox_ui_page *page);
  32 extern void cbox_ui_stop(void);
  33
  34 #endif