1 /*-
2 * Copyright (c) 2015 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27
28 #include <stdio.h>
29 #include "gc.h"
30 #include "console.h"
31
32 static struct {
33 struct gfx_ctx *gc;
34
35 fb_render_func_t fb_render_cb;
36 void *fb_arg;
37
38 kbd_event_func_t kbd_event_cb;
39 void *kbd_arg;
40 int kbd_priority;
41
42 ptr_event_func_t ptr_event_cb;
43 void *ptr_arg;
44 int ptr_priority;
45 } console;
46
47 struct gfx_ctx_image *
console_get_image(void)48 console_get_image(void)
49 {
50 struct gfx_ctx_image *image;
51
52 image = gc_get_image(console.gc);
53
54 return image;
55 }
56
57 void
console_kbd_register(kbd_event_func_t event_cb,void * arg,int pri)58 console_kbd_register(kbd_event_func_t event_cb, void *arg, int pri)
59 {
60 if (pri > console.kbd_priority) {
61 console.kbd_event_cb = event_cb;
62 console.kbd_arg = arg;
63 console.kbd_priority = pri;
64 }
65 }
66
67 void
console_kbd_unregister(void)68 console_kbd_unregister(void)
69 {
70 console.kbd_event_cb = NULL;
71 console.kbd_arg = NULL;
72 console.kbd_priority = 0;
73 }
74
75 void
console_ptr_register(ptr_event_func_t event_cb,void * arg,int pri)76 console_ptr_register(ptr_event_func_t event_cb, void *arg, int pri)
77 {
78 if (pri > console.ptr_priority) {
79 console.ptr_event_cb = event_cb;
80 console.ptr_arg = arg;
81 console.ptr_priority = pri;
82 }
83 }
84
85 void
console_ptr_unregister()86 console_ptr_unregister()
87 {
88 console.ptr_event_cb = NULL;
89 console.ptr_arg = NULL;
90 console.ptr_priority = 0;
91 }
92