| 1 | /* $Id$ |
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| 2 | * $URL$ |
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| 3 | * |
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| 4 | * generic driver helper for text-based displays |
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| 5 | * |
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| 6 | * Copyright (C) 1999, 2000 Michael Reinelt <reinelt@eunet.at> |
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| 7 | * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> |
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| 8 | * |
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| 9 | * This file is part of LCD4Linux. |
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| 10 | * |
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| 11 | * LCD4Linux is free software; you can redistribute it and/or modify |
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| 12 | * it under the terms of the GNU General Public License as published by |
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| 13 | * the Free Software Foundation; either version 2, or (at your option) |
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| 14 | * any later version. |
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| 15 | * |
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| 16 | * LCD4Linux is distributed in the hope that it will be useful, |
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 19 | * GNU General Public License for more details. |
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| 20 | * |
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| 21 | * You should have received a copy of the GNU General Public License |
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| 22 | * along with this program; if not, write to the Free Software |
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| 23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 24 | * |
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| 25 | */ |
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| 26 | |
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| 27 | |
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| 28 | #ifndef _DRV_GENERIC_TEXT_H_ |
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| 29 | #define _DRV_GENERIC_TEXT_H_ |
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| 30 | |
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| 31 | |
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| 32 | #include "drv_generic.h" |
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| 33 | #include "widget.h" |
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| 34 | |
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| 35 | extern int CHARS, CHAR0; /* number of user-defineable characters, ASCII of first char */ |
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| 36 | extern int ICONS; /* number of user-defineable characters reserved for icons */ |
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| 37 | extern int GOTO_COST; /* number of bytes a goto command requires */ |
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| 38 | extern int INVALIDATE; /* re-send a modified userdefined char? */ |
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| 39 | |
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| 40 | /* these functions must be implemented by the real driver */ |
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| 41 | extern void (*drv_generic_text_real_write) (const int row, const int col, const char *data, const int len); |
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| 42 | extern void (*drv_generic_text_real_defchar) (const int ascii, const unsigned char *matrix); |
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| 43 | |
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| 44 | /* generic functions and widget callbacks */ |
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| 45 | int drv_generic_text_init(const char *section, const char *driver); |
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| 46 | int drv_generic_text_greet(const char *msg1, const char *msg2); |
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| 47 | int drv_generic_text_draw(WIDGET * W); |
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| 48 | int drv_generic_text_icon_init(void); |
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| 49 | int drv_generic_text_icon_draw(WIDGET * W); |
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| 50 | int drv_generic_text_bar_init(const int single_segments); |
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| 51 | void drv_generic_text_bar_add_segment(const int val1, const int val2, const DIRECTION dir, const int ascii); |
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| 52 | int drv_generic_text_bar_draw(WIDGET * W); |
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| 53 | int drv_generic_text_quit(void); |
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| 54 | |
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| 55 | |
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| 56 | #endif |
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