lxdream 0.9.1| filename | src/maple/mouse.c |
| changeset | 839:51f1c4195790 |
| prev | 838:9abb2fa58934 |
| next | 848:34dc33c05106 |
| author | nkeynes |
| date | Tue Sep 02 03:34:00 2008 +0000 (15 years ago) |
| permissions | -rw-r--r-- |
| last change | Implement absolute positioning mouse mode when not grabbed enable/disable grab on dreamcast start/stop where it's requested by the controllers |
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1 /**
2 * $Id$
3 *
4 * Implementation of the standard mouse device
5 *
6 * Copyright (c) 2005 Nathan Keynes.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18 #include <stdlib.h>
19 #include <stdio.h>
20 #include <string.h>
21 #include "display.h"
22 #include "maple/maple.h"
24 #define MOUSE_IDENT { 0x00, 0x00, 0x02, 0x00, 0x02, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,\
25 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x44, 0x72, 0x65, 0x61, 0x6d, 0x63, 0x61, 0x73, 0x74, 0x20,\
26 0x4d, 0x6f, 0x75, 0x73, 0x65, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,\
27 0x20, 0x20, 0x20, 0x20, 0x50, 0x72, 0x6f, 0x64, 0x75, 0x63, 0x65, 0x64, 0x20, 0x42, 0x79, 0x20,\
28 0x6f, 0x72, 0x20, 0x55, 0x6e, 0x64, 0x65, 0x72, 0x20, 0x4c, 0x69, 0x63, 0x65, 0x6e, 0x73, 0x65,\
29 0x20, 0x46, 0x72, 0x6f, 0x6d, 0x20, 0x53, 0x45, 0x47, 0x41, 0x20, 0x45, 0x4e, 0x54, 0x45, 0x52,\
30 0x50, 0x52, 0x49, 0x53, 0x45, 0x53, 0x2c, 0x4c, 0x54, 0x44, 0x2e, 0x20, 0x20, 0x20, 0x20, 0x20,\
31 0x90, 0x01, 0xf4, 0x01 }
32 #define MOUSE_VERSION { 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, 0x2e, 0x30, 0x30,\
33 0x30, 0x2c, 0x32, 0x30, 0x30, 0x30, 0x2f, 0x30, 0x32, 0x2f, 0x32, 0x35, 0x2c, 0x33, 0x31, 0x35,\
34 0x2d, 0x36, 0x32, 0x31, 0x31, 0x2d, 0x41, 0x54, 0x20, 0x20, 0x20, 0x2c, 0x33, 0x20, 0x42, 0x75,\
35 0x74, 0x74, 0x6f, 0x6e, 0x20, 0x26, 0x20, 0x58, 0x2d, 0x59, 0x20, 0x42, 0x61, 0x6c, 0x6c, 0x20,\
36 0x26, 0x20, 0x5a, 0x20, 0x57, 0x68, 0x65, 0x65, 0x6c, 0x20, 0x2c, 0x34, 0x30, 0x30, 0x64, 0x70,\
37 0x69, 0x20, 0x20, 0x20 }
39 #define BUTTON_MIDDLE 0x01
40 #define BUTTON_RIGHT 0x02
41 #define BUTTON_LEFT 0x04
42 #define BUTTON_THUMB 0x08
44 void mouse_attach( maple_device_t dev );
45 void mouse_detach( maple_device_t dev );
46 maple_device_t mouse_clone( maple_device_t dev );
47 maple_device_t mouse_new();
48 int mouse_get_cond( maple_device_t dev, int function, unsigned char *outbuf,
49 unsigned int *outlen );
51 typedef struct mouse_device {
52 struct maple_device dev;
53 uint32_t buttons;
54 int32_t axis[8];
55 } *mouse_device_t;
57 struct maple_device_class mouse_class = { "Sega Mouse", mouse_new };
59 static struct mouse_device base_mouse = {
60 { MAPLE_DEVICE_TAG, &mouse_class, MAPLE_GRAB_YES,
61 MOUSE_IDENT, MOUSE_VERSION,
62 NULL, NULL, mouse_attach, mouse_detach, maple_default_destroy,
63 mouse_clone, NULL, NULL, mouse_get_cond, NULL, NULL, NULL },
64 0, {0,0,0,0,0,0,0,0},
65 };
67 static int32_t mouse_axis_scale_factors[8] = { 10, 10, 1, 1, 1, 1, 1, 1 };
69 #define MOUSE(x) ((mouse_device_t)(x))
71 maple_device_t mouse_new( )
72 {
73 mouse_device_t dev = malloc( sizeof(struct mouse_device) );
74 memcpy( dev, &base_mouse, sizeof(base_mouse) );
75 return MAPLE_DEVICE(dev);
76 }
78 maple_device_t mouse_clone( maple_device_t srcdevice )
79 {
80 mouse_device_t src = (mouse_device_t)srcdevice;
81 mouse_device_t dev = (mouse_device_t)mouse_new();
82 dev->buttons = src->buttons;
83 memcpy( dev->axis, src->axis, sizeof(src->axis) );
84 return MAPLE_DEVICE(dev);
85 }
87 void mouse_input_callback( void *mdev, uint32_t buttons, int32_t x, int32_t y, gboolean absolute )
88 {
89 mouse_device_t dev = (mouse_device_t)mdev;
90 if( !absolute ) {
91 dev->buttons = 0xFF;
92 if( buttons & 0x01 ) {
93 dev->buttons &= ~BUTTON_LEFT;
94 }
95 if( buttons & 0x02 ) {
96 dev->buttons &= ~BUTTON_MIDDLE;
97 }
98 if( buttons & 0x04 ) {
99 dev->buttons &= ~BUTTON_RIGHT;
100 }
101 if( buttons & 0x08 ) {
102 dev->buttons &= ~BUTTON_THUMB;
103 }
104 dev->axis[0] += x;
105 dev->axis[1] += y;
106 }
107 }
109 void mouse_attach( maple_device_t dev )
110 {
111 input_register_mouse_hook( TRUE, mouse_input_callback, dev );
112 }
114 void mouse_detach( maple_device_t dev )
115 {
116 input_unregister_mouse_hook( mouse_input_callback, dev );
117 }
119 int mouse_get_cond( maple_device_t mdev, int function, unsigned char *outbuf,
120 unsigned int *outlen )
121 {
122 mouse_device_t dev = (mouse_device_t)mdev;
123 if( function == MAPLE_FUNC_MOUSE ) {
124 *outlen = 5;
125 *(uint32_t *)outbuf = dev->buttons;
126 uint16_t *p = (uint16_t *)(outbuf+4);
127 int i;
128 // Axis values are in the range 0..0x3FF, where 0x200 is zero movement
129 for( i=0; i<8; i++ ) {
130 int32_t value = dev->axis[i] / mouse_axis_scale_factors[i];
131 if( value < -0x200 ) {
132 p[i] = 0;
133 } else if( value > 0x1FF ) {
134 p[i] = 0x3FF;
135 } else {
136 p[i] = 0x200 + value;
137 }
138 dev->axis[i] = 0; // clear after returning.
139 }
140 return 0;
141 } else {
142 return MAPLE_ERR_FUNC_UNSUP;
143 }
144 }
.