| 1 | /* |
|---|
| 2 | * libcaca Colour ASCII-Art library |
|---|
| 3 | * Copyright (c) 2002-2009 Sam Hocevar <sam@hocevar.net> |
|---|
| 4 | * All Rights Reserved |
|---|
| 5 | * |
|---|
| 6 | * $Id: null.c 3621 2009-08-03 23:19:41Z sam $ |
|---|
| 7 | * |
|---|
| 8 | * This library is free software. It comes without any warranty, to |
|---|
| 9 | * the extent permitted by applicable law. You can redistribute it |
|---|
| 10 | * and/or modify it under the terms of the Do What The Fuck You Want |
|---|
| 11 | * To Public License, Version 2, as published by Sam Hocevar. See |
|---|
| 12 | * http://sam.zoy.org/wtfpl/COPYING for more details. |
|---|
| 13 | */ |
|---|
| 14 | |
|---|
| 15 | /* |
|---|
| 16 | * This file contains a null libcaca input and output driver |
|---|
| 17 | */ |
|---|
| 18 | |
|---|
| 19 | #include "config.h" |
|---|
| 20 | |
|---|
| 21 | #if !defined(__KERNEL__) |
|---|
| 22 | |
|---|
| 23 | #include <stdio.h> |
|---|
| 24 | |
|---|
| 25 | #include "caca.h" |
|---|
| 26 | #include "caca_internals.h" |
|---|
| 27 | |
|---|
| 28 | static int null_init_graphics(caca_display_t *dp) |
|---|
| 29 | { |
|---|
| 30 | return 0; |
|---|
| 31 | } |
|---|
| 32 | |
|---|
| 33 | static int null_end_graphics(caca_display_t *dp) |
|---|
| 34 | { |
|---|
| 35 | return 0; |
|---|
| 36 | } |
|---|
| 37 | |
|---|
| 38 | static int null_set_display_title(caca_display_t *dp, char const *title) |
|---|
| 39 | { |
|---|
| 40 | return -1; |
|---|
| 41 | } |
|---|
| 42 | |
|---|
| 43 | static int null_get_display_width(caca_display_t const *dp) |
|---|
| 44 | { |
|---|
| 45 | return 0; |
|---|
| 46 | } |
|---|
| 47 | |
|---|
| 48 | static int null_get_display_height(caca_display_t const *dp) |
|---|
| 49 | { |
|---|
| 50 | return 0; |
|---|
| 51 | } |
|---|
| 52 | |
|---|
| 53 | static void null_display(caca_display_t *dp) |
|---|
| 54 | { |
|---|
| 55 | ; |
|---|
| 56 | } |
|---|
| 57 | |
|---|
| 58 | static void null_handle_resize(caca_display_t *dp) |
|---|
| 59 | { |
|---|
| 60 | ; |
|---|
| 61 | } |
|---|
| 62 | |
|---|
| 63 | static int null_get_event(caca_display_t *dp, caca_privevent_t *ev) |
|---|
| 64 | { |
|---|
| 65 | ev->type = CACA_EVENT_NONE; |
|---|
| 66 | return 0; |
|---|
| 67 | } |
|---|
| 68 | |
|---|
| 69 | /* |
|---|
| 70 | * Driver initialisation |
|---|
| 71 | */ |
|---|
| 72 | |
|---|
| 73 | int null_install(caca_display_t *dp) |
|---|
| 74 | { |
|---|
| 75 | dp->drv.id = CACA_DRIVER_NULL; |
|---|
| 76 | dp->drv.driver = "null"; |
|---|
| 77 | |
|---|
| 78 | dp->drv.init_graphics = null_init_graphics; |
|---|
| 79 | dp->drv.end_graphics = null_end_graphics; |
|---|
| 80 | dp->drv.set_display_title = null_set_display_title; |
|---|
| 81 | dp->drv.get_display_width = null_get_display_width; |
|---|
| 82 | dp->drv.get_display_height = null_get_display_height; |
|---|
| 83 | dp->drv.display = null_display; |
|---|
| 84 | dp->drv.handle_resize = null_handle_resize; |
|---|
| 85 | dp->drv.get_event = null_get_event; |
|---|
| 86 | dp->drv.set_mouse = NULL; |
|---|
| 87 | dp->drv.set_cursor = NULL; |
|---|
| 88 | |
|---|
| 89 | return 0; |
|---|
| 90 | } |
|---|
| 91 | |
|---|
| 92 | #endif /* !__KERNEL__ */ |
|---|
