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-rw-r--r--drv_generic_text.h56
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+/* $Id: drv_generic_text.h 840 2007-09-09 12:17:42Z michael $
+ * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/drv_generic_text.h $
+ *
+ * generic driver helper for text-based displays
+ *
+ * Copyright (C) 1999, 2000 Michael Reinelt <michael@reinelt.co.at>
+ * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * This file is part of LCD4Linux.
+ *
+ * LCD4Linux 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; either version 2, or (at your option)
+ * any later version.
+ *
+ * LCD4Linux 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+#ifndef _DRV_GENERIC_TEXT_H_
+#define _DRV_GENERIC_TEXT_H_
+
+
+#include "drv_generic.h"
+#include "widget.h"
+
+extern int CHARS, CHAR0; /* number of user-defineable characters, ASCII of first char */
+extern int ICONS; /* number of user-defineable characters reserved for icons */
+extern int GOTO_COST; /* number of bytes a goto command requires */
+extern int INVALIDATE; /* re-send a modified userdefined char? */
+
+/* these functions must be implemented by the real driver */
+extern void (*drv_generic_text_real_write) (const int row, const int col, const char *data, const int len);
+extern void (*drv_generic_text_real_defchar) (const int ascii, const unsigned char *matrix);
+
+/* generic functions and widget callbacks */
+int drv_generic_text_init(const char *section, const char *driver);
+int drv_generic_text_greet(const char *msg1, const char *msg2);
+int drv_generic_text_draw(WIDGET * W);
+int drv_generic_text_icon_init(void);
+int drv_generic_text_icon_draw(WIDGET * W);
+int drv_generic_text_bar_init(const int single_segments);
+void drv_generic_text_bar_add_segment(const int val1, const int val2, const DIRECTION dir, const int ascii);
+int drv_generic_text_bar_draw(WIDGET * W);
+int drv_generic_text_quit(void);
+
+
+#endif