| 1 | /* |
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| 2 | * libcaca Colour ASCII-Art library |
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| 3 | * Copyright (c) 2002-2009 Sam Hocevar <sam@hocevar.net> |
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| 4 | * All Rights Reserved |
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| 5 | * |
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| 6 | * This library is free software. It comes without any warranty, to |
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| 7 | * the extent permitted by applicable law. You can redistribute it |
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| 8 | * and/or modify it under the terms of the Do What The Fuck You Want |
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| 9 | * To Public License, Version 2, as published by Sam Hocevar. See |
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| 10 | * http://sam.zoy.org/wtfpl/COPYING for more details. |
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| 11 | */ |
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| 12 | |
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| 13 | /* |
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| 14 | * This file contains a null libcaca input and output driver |
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| 15 | */ |
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| 16 | |
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| 17 | #include "config.h" |
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| 18 | |
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| 19 | #if !defined(__KERNEL__) |
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| 20 | |
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| 21 | #include <stdio.h> |
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| 22 | |
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| 23 | #include "caca.h" |
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| 24 | #include "caca_internals.h" |
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| 25 | |
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| 26 | static int null_init_graphics(caca_display_t *dp) |
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| 27 | { |
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| 28 | return 0; |
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| 29 | } |
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| 30 | |
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| 31 | static int null_end_graphics(caca_display_t *dp) |
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| 32 | { |
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| 33 | return 0; |
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| 34 | } |
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| 35 | |
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| 36 | static int null_set_display_title(caca_display_t *dp, char const *title) |
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| 37 | { |
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| 38 | return -1; |
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| 39 | } |
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| 40 | |
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| 41 | static int null_get_display_width(caca_display_t const *dp) |
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| 42 | { |
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| 43 | return 0; |
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| 44 | } |
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| 45 | |
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| 46 | static int null_get_display_height(caca_display_t const *dp) |
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| 47 | { |
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| 48 | return 0; |
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| 49 | } |
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| 50 | |
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| 51 | static void null_display(caca_display_t *dp) |
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| 52 | { |
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| 53 | ; |
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| 54 | } |
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| 55 | |
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| 56 | static void null_handle_resize(caca_display_t *dp) |
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| 57 | { |
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| 58 | ; |
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| 59 | } |
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| 60 | |
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| 61 | static int null_get_event(caca_display_t *dp, caca_privevent_t *ev) |
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| 62 | { |
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| 63 | ev->type = CACA_EVENT_NONE; |
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| 64 | return 0; |
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| 65 | } |
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| 66 | |
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| 67 | /* |
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| 68 | * Driver initialisation |
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| 69 | */ |
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| 70 | |
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| 71 | int null_install(caca_display_t *dp) |
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| 72 | { |
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| 73 | dp->drv.id = CACA_DRIVER_NULL; |
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| 74 | dp->drv.driver = "null"; |
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| 75 | |
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| 76 | dp->drv.init_graphics = null_init_graphics; |
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| 77 | dp->drv.end_graphics = null_end_graphics; |
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| 78 | dp->drv.set_display_title = null_set_display_title; |
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| 79 | dp->drv.get_display_width = null_get_display_width; |
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| 80 | dp->drv.get_display_height = null_get_display_height; |
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| 81 | dp->drv.display = null_display; |
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| 82 | dp->drv.handle_resize = null_handle_resize; |
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| 83 | dp->drv.get_event = null_get_event; |
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| 84 | dp->drv.set_mouse = NULL; |
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| 85 | dp->drv.set_cursor = NULL; |
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| 86 | |
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| 87 | return 0; |
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| 88 | } |
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| 89 | |
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| 90 | #endif /* !__KERNEL__ */ |
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