Mercurial > sdl-ios-xcode
annotate src/joystick/linux/SDL_sysjoystick.c @ 1302:94643e9bad18
Date: Sat, 14 Jan 2006 15:16:01 -0500
From: Andrew Fuller
Subject: [SDL] [PATCH] ML-8866 PS2->USB converter
This converter seems to go by several names -- Super Dual Box, Dual
USB Joypad, and who knows what else. Also branded differently with
different colour cases, etc. But it seems to all be the same
internals. It is a common converter used for StepMania, with several
posts Googleable trying to make it work in Linux. I got mine
yesterday and wanted to play stepmania, so I went ahead and made a
crude patch for libsdl to split this baby into two logical joysticks.
A couple notes about the patch:
This patch works well for two dance mats hooked up and playing
stepmania, however the mapping of the other buttons may be off. I
have no joystick which uses all the buttons the converter reports, so
I have no way of testing them.
The name I used 0925:8866 which is the USB ID, and what SDLjoytest-GL
reported is the name, even though lsusb shows Wisegroup, Ltd MP-8866
Dual USB Joypad, and the existing virtual joystick mapping uses the
Wisegroup... name. Not sure why the discrepency.
I'm not subscribed to this mailing list, so please CC me on any
comments to this.
-Andrew
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 31 Jan 2006 14:59:43 +0000 |
| parents | 4aa02c3e5e13 |
| children | babc963b6f8d |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2004 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 /* This is the system specific header for the SDL joystick API */ | |
| 29 | |
| 30 #include <stdio.h> /* For the definition of NULL */ | |
| 31 #include <stdlib.h> /* For getenv() prototype */ | |
| 32 #include <string.h> | |
| 33 #include <sys/stat.h> | |
| 34 #include <unistd.h> | |
| 35 #include <fcntl.h> | |
| 36 #include <sys/ioctl.h> | |
| 37 #include <limits.h> /* For the definition of PATH_MAX */ | |
|
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38 #ifdef __arm__ |
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39 #include <linux/limits.h> /* Arm cross-compiler needs this */ |
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40 #endif |
| 0 | 41 #include <linux/joystick.h> |
| 42 #ifdef USE_INPUT_EVENTS | |
| 43 #include <linux/input.h> | |
| 44 #endif | |
| 45 | |
| 46 #include "SDL_error.h" | |
| 47 #include "SDL_joystick.h" | |
| 48 #include "SDL_sysjoystick.h" | |
| 49 #include "SDL_joystick_c.h" | |
| 50 | |
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51 /* Special joystick configurations */ |
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52 static struct { |
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53 const char *name; |
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54 int naxes; |
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55 int nhats; |
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56 int nballs; |
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57 } special_joysticks[] = { |
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58 { "MadCatz Panther XL", 3, 2, 1 }, /* We don't handle rudder (axis 8) */ |
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59 { "SideWinder Precision Pro", 4, 1, 0 }, |
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60 { "SideWinder 3D Pro", 4, 1, 0 }, |
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61 { "Microsoft SideWinder 3D Pro", 4, 1, 0 }, |
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62 { "Microsoft SideWinder Dual Strike USB version 1.0", 2, 1, 0 }, |
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63 { "WingMan Interceptor", 3, 3, 0 }, |
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64 { "WingMan Extreme Digital 3D", 4, 1, 0 }, |
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65 { "Microsoft SideWinder Precision 2 Joystick", 4, 1, 0 }, |
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66 { "Logitech Inc. WingMan Extreme Digital 3D", 4, 1, 0 }, |
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67 { "Saitek Saitek X45", 6, 1, 0 } |
| 0 | 68 }; |
| 69 | |
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70 #ifndef NO_LOGICAL_JOYSTICKS |
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71 |
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72 static struct joystick_logical_values { |
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73 int njoy; |
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74 int nthing; |
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75 } joystick_logical_values[] = { |
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76 |
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77 /* +0 */ |
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78 /* MP-8800 axes map - map to {logical joystick #, logical axis #} */ |
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79 {0,0},{0,1},{0,2},{1,0},{1,1},{0,3},{1,2},{1,3},{2,0},{2,1},{2,2},{2,3}, |
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80 {3,0},{3,1},{3,2},{3,3},{0,4},{1,4},{2,4}, |
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81 |
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82 /* +19 */ |
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83 /* MP-8800 hat map - map to {logical joystick #, logical hat #} */ |
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84 {0,0},{1,0},{2,0},{3,0}, |
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85 |
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86 /* +23 */ |
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87 /* MP-8800 button map - map to {logical joystick #, logical button #} */ |
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88 {0,0},{0,1},{0,2},{0,3},{0,4},{0,5},{0,6},{0,7},{0,8},{0,9},{0,10},{0,11}, |
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89 {1,0},{1,1},{1,2},{1,3},{1,4},{1,5},{1,6},{1,7},{1,8},{1,9},{1,10},{1,11}, |
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90 {2,0},{2,1},{2,2},{2,3},{2,4},{2,5},{2,6},{2,7},{2,8},{2,9},{2,10},{2,11}, |
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91 {3,0},{3,1},{3,2},{3,3},{3,4},{3,5},{3,6},{3,7},{3,8},{3,9},{3,10},{3,11}, |
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92 |
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93 /* +71 */ |
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94 /* MP-8866 axes map - map to {logical joystick #, logical axis#} */ |
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95 {0,0},{0,1},{0,2},{0,3}, |
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96 {1,0},{1,1},{1,2},{1,3}, |
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97 |
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98 /* +79 */ |
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99 /* MP-8866 hat map - map to {logical joystick #, logical hat #} */ |
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100 {0,0},{1,0}, |
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101 |
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102 /* +81 */ |
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103 /* MP-8866 button map - map to {logical joystick #, logical button #} */ |
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104 {0,0},{0,1},{0,2},{0,3},{0,4},{0,5},{0,6},{0,7},{0,8},{0,9},{0,10},{0,11}, |
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105 {1,0},{1,1},{1,2},{1,3},{1,4},{1,5},{1,6},{1,7},{1,8},{1,9},{1,10},{1,11} |
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106 }; |
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107 |
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108 static struct joystick_logical_layout { |
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109 int naxes; |
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110 int nhats; |
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111 int nballs; |
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112 int nbuttons; |
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113 } joystick_logical_layout[] = { |
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114 /* +0 */ |
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115 /* MP-8800 logical layout */ |
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116 {5, 1, 0, 12}, |
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117 {5, 1, 0, 12}, |
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118 {5, 1, 0, 12}, |
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119 {4, 1, 0, 12}, |
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120 /* +4 */ |
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121 /* MP-8866 logical layout */ |
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122 {4, 1, 0, 12}, |
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123 {4, 1, 0, 12} |
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124 }; |
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125 |
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126 |
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127 /* |
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128 Some USB HIDs show up as a single joystick even though they actually |
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129 control 2 or more joysticks. This array sets up a means of mapping |
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130 a single physical joystick to multiple logical joysticks. (djm) |
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131 |
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132 njoys |
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133 the number of logical joysticks |
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134 |
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135 layouts |
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136 an array of layout structures, one to describe each logical joystick |
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137 |
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138 axes, hats, balls, buttons |
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139 arrays that map a physical thingy to a logical thingy |
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140 */ |
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141 static struct joystick_logicalmap { |
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142 const char *name; |
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143 int njoys; |
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144 struct joystick_logical_layout *layouts; |
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145 struct joystick_logical_values *axes; |
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146 struct joystick_logical_values *hats; |
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147 struct joystick_logical_values *balls; |
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148 struct joystick_logical_values *buttons; |
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149 |
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150 } joystick_logicalmap[] = { |
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151 {"WiseGroup.,Ltd MP-8800 Quad USB Joypad", 4, joystick_logical_layout, |
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152 joystick_logical_values, joystick_logical_values+19, NULL, |
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153 joystick_logical_values+23}, |
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154 /* WiseGroup MP-8866 Dual USB Joypad */ |
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155 {"0925:8866", 2, joystick_logical_layout+4, |
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156 joystick_logical_values+71, joystick_logical_values+79, NULL, |
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157 joystick_logical_values+81} |
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158 |
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159 }; |
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160 |
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161 /* find the head of a linked list, given a point in it |
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162 */ |
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163 #define SDL_joylist_head(i, start)\ |
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164 for(i = start; SDL_joylist[i].fname == NULL;) i = SDL_joylist[i].prev; |
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165 |
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166 #define SDL_logical_joydecl(d) d |
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167 |
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168 |
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169 #else |
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170 |
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171 #define SDL_logical_joydecl(d) |
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172 |
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173 #endif /* USE_LOGICAL_JOYSTICKS */ |
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174 |
| 0 | 175 /* The maximum number of joysticks we'll detect */ |
| 176 #define MAX_JOYSTICKS 32 | |
| 177 | |
| 178 /* A list of available joysticks */ | |
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179 static struct |
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180 { |
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181 char* fname; |
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182 #ifndef NO_LOGICAL_JOYSTICKS |
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183 SDL_Joystick* joy; |
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184 struct joystick_logicalmap* map; |
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185 int prev; |
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186 int next; |
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187 int logicalno; |
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188 #endif /* USE_LOGICAL_JOYSTICKS */ |
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189 } SDL_joylist[MAX_JOYSTICKS]; |
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190 |
| 0 | 191 |
| 192 /* The private structure used to keep track of a joystick */ | |
| 193 struct joystick_hwdata { | |
| 194 int fd; | |
| 195 /* The current linux joystick driver maps hats to two axes */ | |
| 196 struct hwdata_hat { | |
| 197 int axis[2]; | |
| 198 } *hats; | |
| 199 /* The current linux joystick driver maps balls to two axes */ | |
| 200 struct hwdata_ball { | |
| 201 int axis[2]; | |
| 202 } *balls; | |
| 203 | |
| 204 /* Support for the Linux 2.4 unified input interface */ | |
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205 #ifdef USE_INPUT_EVENTS |
| 0 | 206 SDL_bool is_hid; |
| 207 Uint8 key_map[KEY_MAX-BTN_MISC]; | |
| 208 Uint8 abs_map[ABS_MAX]; | |
| 209 struct axis_correct { | |
| 210 int used; | |
| 211 int coef[3]; | |
| 212 } abs_correct[ABS_MAX]; | |
| 213 #endif | |
| 214 }; | |
| 215 | |
| 216 static char *mystrdup(const char *string) | |
| 217 { | |
| 218 char *newstring; | |
| 219 | |
| 220 newstring = (char *)malloc(strlen(string)+1); | |
| 221 if ( newstring ) { | |
| 222 strcpy(newstring, string); | |
| 223 } | |
| 224 return(newstring); | |
| 225 } | |
| 226 | |
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227 |
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228 #ifndef NO_LOGICAL_JOYSTICKS |
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229 |
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230 static int CountLogicalJoysticks(int max) |
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231 { |
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232 register int i, j, k, ret, prev; |
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233 const char* name; |
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234 |
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235 ret = 0; |
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236 |
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237 for(i = 0; i < max; i++) { |
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238 name = SDL_SYS_JoystickName(i); |
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239 |
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240 if (name) { |
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241 for(j = 0; j < SDL_TABLESIZE(joystick_logicalmap); j++) { |
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242 if (!strcmp(name, joystick_logicalmap[j].name)) { |
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243 |
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244 prev = i; |
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245 SDL_joylist[prev].map = joystick_logicalmap+j; |
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246 |
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247 for(k = 1; k < joystick_logicalmap[j].njoys; k++) { |
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248 SDL_joylist[prev].next = max + ret; |
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249 |
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250 if (prev != i) |
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251 SDL_joylist[max+ret].prev = prev; |
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252 |
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253 prev = max + ret; |
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254 SDL_joylist[prev].logicalno = k; |
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255 SDL_joylist[prev].map = joystick_logicalmap+j; |
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256 ret++; |
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257 } |
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258 |
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259 break; |
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260 } |
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261 } |
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262 } |
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263 } |
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264 |
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265 return ret; |
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266 } |
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267 |
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268 static void LogicalSuffix(int logicalno, char* namebuf, int len) |
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269 { |
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270 register int slen; |
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271 const static char suffixs[] = |
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272 "01020304050607080910111213141516171819" |
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273 "20212223242526272829303132"; |
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274 const char* suffix; |
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275 |
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276 slen = strlen(namebuf); |
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277 |
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278 suffix = NULL; |
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279 |
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280 if (logicalno*2<sizeof(suffixs)) |
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281 suffix = suffixs + (logicalno*2); |
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282 |
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283 if (slen + 4 < len && suffix) { |
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284 namebuf[slen++] = ' '; |
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285 namebuf[slen++] = '#'; |
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286 namebuf[slen++] = suffix[0]; |
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287 namebuf[slen++] = suffix[1]; |
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288 namebuf[slen++] = 0; |
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289 } |
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290 } |
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291 |
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292 #endif /* USE_LOGICAL_JOYSTICKS */ |
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293 |
| 0 | 294 #ifdef USE_INPUT_EVENTS |
| 295 #define test_bit(nr, addr) \ | |
| 296 (((1UL << ((nr) & 31)) & (((const unsigned int *) addr)[(nr) >> 5])) != 0) | |
| 297 | |
| 298 static int EV_IsJoystick(int fd) | |
| 299 { | |
| 300 unsigned long evbit[40]; | |
| 301 unsigned long keybit[40]; | |
| 302 unsigned long absbit[40]; | |
| 303 | |
| 304 if ( (ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), evbit) < 0) || | |
| 305 (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) < 0) || | |
| 306 (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) < 0) ) { | |
| 307 return(0); | |
| 308 } | |
| 309 if (!(test_bit(EV_KEY, evbit) && test_bit(EV_ABS, evbit) && | |
| 310 test_bit(ABS_X, absbit) && test_bit(ABS_Y, absbit) && | |
| 311 (test_bit(BTN_TRIGGER, keybit) || test_bit(BTN_A, keybit) || test_bit(BTN_1, keybit)))) return 0; | |
| 312 return(1); | |
| 313 } | |
| 314 | |
| 315 #endif /* USE_INPUT_EVENTS */ | |
| 316 | |
| 317 /* Function to scan the system for joysticks */ | |
| 318 int SDL_SYS_JoystickInit(void) | |
| 319 { | |
| 320 /* The base path of the joystick devices */ | |
|
245
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321 const char *joydev_pattern[] = { |
| 0 | 322 #ifdef USE_INPUT_EVENTS |
|
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323 "/dev/input/event%d", |
|
211
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324 #endif |
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325 "/dev/input/js%d", |
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326 "/dev/js%d" |
| 0 | 327 }; |
| 328 int numjoysticks; | |
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329 int i, j; |
| 0 | 330 int fd; |
| 331 char path[PATH_MAX]; | |
| 332 dev_t dev_nums[MAX_JOYSTICKS]; /* major/minor device numbers */ | |
| 333 struct stat sb; | |
| 334 int n, duplicate; | |
| 335 | |
| 336 numjoysticks = 0; | |
| 337 | |
| 338 /* First see if the user specified a joystick to use */ | |
| 339 if ( getenv("SDL_JOYSTICK_DEVICE") != NULL ) { | |
| 340 strncpy(path, getenv("SDL_JOYSTICK_DEVICE"), sizeof(path)); | |
| 341 path[sizeof(path)-1] = '\0'; | |
| 342 if ( stat(path, &sb) == 0 ) { | |
| 343 fd = open(path, O_RDONLY, 0); | |
| 344 if ( fd >= 0 ) { | |
| 345 /* Assume the user knows what they're doing. */ | |
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346 SDL_joylist[numjoysticks].fname =mystrdup(path); |
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347 if ( SDL_joylist[numjoysticks].fname ) { |
| 0 | 348 dev_nums[numjoysticks] = sb.st_rdev; |
| 349 ++numjoysticks; | |
| 350 } | |
| 351 close(fd); | |
| 352 } | |
| 353 } | |
| 354 } | |
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355 |
| 0 | 356 for ( i=0; i<SDL_TABLESIZE(joydev_pattern); ++i ) { |
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357 for ( j=0; j < MAX_JOYSTICKS; ++j ) { |
| 0 | 358 sprintf(path, joydev_pattern[i], j); |
| 359 | |
| 360 /* rcg06302000 replaced access(F_OK) call with stat(). | |
| 361 * stat() will fail if the file doesn't exist, so it's | |
| 362 * equivalent behaviour. | |
| 363 */ | |
| 364 if ( stat(path, &sb) == 0 ) { | |
| 365 /* Check to make sure it's not already in list. | |
| 366 * This happens when we see a stick via symlink. | |
| 367 */ | |
| 368 duplicate = 0; | |
| 369 for (n=0; (n<numjoysticks) && !duplicate; ++n) { | |
| 370 if ( sb.st_rdev == dev_nums[n] ) { | |
| 371 duplicate = 1; | |
| 372 } | |
| 373 } | |
| 374 if (duplicate) { | |
| 375 continue; | |
| 376 } | |
| 377 | |
| 378 fd = open(path, O_RDONLY, 0); | |
| 379 if ( fd < 0 ) { | |
| 380 continue; | |
| 381 } | |
| 382 #ifdef USE_INPUT_EVENTS | |
| 383 #ifdef DEBUG_INPUT_EVENTS | |
| 384 printf("Checking %s\n", path); | |
| 385 #endif | |
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386 if ( (i == 0) && ! EV_IsJoystick(fd) ) { |
| 0 | 387 close(fd); |
| 388 continue; | |
| 389 } | |
| 390 #endif | |
| 391 close(fd); | |
| 392 | |
| 393 /* We're fine, add this joystick */ | |
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394 SDL_joylist[numjoysticks].fname =mystrdup(path); |
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395 if ( SDL_joylist[numjoysticks].fname ) { |
| 0 | 396 dev_nums[numjoysticks] = sb.st_rdev; |
| 397 ++numjoysticks; | |
| 398 } | |
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399 } else |
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400 break; |
| 0 | 401 } |
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402 |
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403 #ifdef USE_INPUT_EVENTS |
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404 /* This is a special case... |
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405 If the event devices are valid then the joystick devices |
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406 will be duplicates but without extra information about their |
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407 hats or balls. Unfortunately, the event devices can't |
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408 currently be calibrated, so it's a win-lose situation. |
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409 So : /dev/input/eventX = /dev/input/jsY = /dev/jsY |
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410 */ |
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411 if ( (i == 0) && (numjoysticks > 0) ) |
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412 break; |
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413 #endif |
| 0 | 414 } |
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415 #ifndef NO_LOGICAL_JOYSTICKS |
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416 numjoysticks += CountLogicalJoysticks(numjoysticks); |
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417 #endif |
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418 |
| 0 | 419 return(numjoysticks); |
| 420 } | |
| 421 | |
| 422 /* Function to get the device-dependent name of a joystick */ | |
| 423 const char *SDL_SYS_JoystickName(int index) | |
| 424 { | |
| 425 int fd; | |
| 426 static char namebuf[128]; | |
| 427 char *name; | |
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428 SDL_logical_joydecl(int oindex = index); |
| 0 | 429 |
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430 #ifndef NO_LOGICAL_JOYSTICKS |
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431 SDL_joylist_head(index, index); |
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432 #endif |
| 0 | 433 name = NULL; |
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434 fd = open(SDL_joylist[index].fname, O_RDONLY, 0); |
| 0 | 435 if ( fd >= 0 ) { |
| 436 if ( | |
| 437 #ifdef USE_INPUT_EVENTS | |
| 438 (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) && | |
| 439 #endif | |
| 440 (ioctl(fd, JSIOCGNAME(sizeof(namebuf)), namebuf) <= 0) ) { | |
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441 name = SDL_joylist[index].fname; |
| 0 | 442 } else { |
| 443 name = namebuf; | |
| 444 } | |
| 445 close(fd); | |
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446 |
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447 #ifndef NO_LOGICAL_JOYSTICKS |
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448 if (SDL_joylist[oindex].prev || SDL_joylist[oindex].next) |
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449 LogicalSuffix(SDL_joylist[oindex].logicalno, namebuf, 128); |
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450 #endif |
| 0 | 451 } |
| 452 return name; | |
| 453 } | |
| 454 | |
| 455 static int allocate_hatdata(SDL_Joystick *joystick) | |
| 456 { | |
| 457 int i; | |
| 458 | |
| 459 joystick->hwdata->hats = (struct hwdata_hat *)malloc( | |
| 460 joystick->nhats * sizeof(struct hwdata_hat)); | |
| 461 if ( joystick->hwdata->hats == NULL ) { | |
| 462 return(-1); | |
| 463 } | |
| 464 for ( i=0; i<joystick->nhats; ++i ) { | |
| 465 joystick->hwdata->hats[i].axis[0] = 1; | |
| 466 joystick->hwdata->hats[i].axis[1] = 1; | |
| 467 } | |
| 468 return(0); | |
| 469 } | |
| 470 | |
| 471 static int allocate_balldata(SDL_Joystick *joystick) | |
| 472 { | |
| 473 int i; | |
| 474 | |
| 475 joystick->hwdata->balls = (struct hwdata_ball *)malloc( | |
| 476 joystick->nballs * sizeof(struct hwdata_ball)); | |
| 477 if ( joystick->hwdata->balls == NULL ) { | |
| 478 return(-1); | |
| 479 } | |
| 480 for ( i=0; i<joystick->nballs; ++i ) { | |
| 481 joystick->hwdata->balls[i].axis[0] = 0; | |
| 482 joystick->hwdata->balls[i].axis[1] = 0; | |
| 483 } | |
| 484 return(0); | |
| 485 } | |
| 486 | |
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487 static SDL_bool JS_ConfigJoystick(SDL_Joystick *joystick, int fd) |
| 0 | 488 { |
| 489 SDL_bool handled; | |
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490 unsigned char n; |
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491 int old_axes, tmp_naxes, tmp_nhats, tmp_nballs; |
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492 const char *name; |
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493 char *env, env_name[128]; |
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494 int i; |
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495 |
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496 handled = SDL_FALSE; |
| 0 | 497 |
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498 /* Default joystick device settings */ |
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499 if ( ioctl(fd, JSIOCGAXES, &n) < 0 ) { |
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500 joystick->naxes = 2; |
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501 } else { |
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502 joystick->naxes = n; |
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503 } |
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504 if ( ioctl(fd, JSIOCGBUTTONS, &n) < 0 ) { |
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505 joystick->nbuttons = 2; |
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506 } else { |
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507 joystick->nbuttons = n; |
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508 } |
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509 |
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510 name = SDL_SYS_JoystickName(joystick->index); |
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511 old_axes = joystick->naxes; |
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512 |
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513 /* Generic analog joystick support */ |
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514 if ( strstr(name, "Analog") == name && strstr(name, "-hat") ) { |
|
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515 if ( sscanf(name,"Analog %d-axis %*d-button %d-hat", |
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516 &tmp_naxes, &tmp_nhats) == 2 ) { |
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517 |
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518 joystick->naxes = tmp_naxes; |
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519 joystick->nhats = tmp_nhats; |
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520 |
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521 handled = SDL_TRUE; |
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522 } |
| 0 | 523 } |
|
554
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524 |
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525 /* Special joystick support */ |
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526 for ( i=0; i < SDL_TABLESIZE(special_joysticks); ++i ) { |
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527 if ( strcmp(name, special_joysticks[i].name) == 0 ) { |
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528 |
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529 joystick->naxes = special_joysticks[i].naxes; |
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530 joystick->nhats = special_joysticks[i].nhats; |
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531 joystick->nballs = special_joysticks[i].nballs; |
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532 |
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533 handled = SDL_TRUE; |
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534 break; |
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535 } |
| 0 | 536 } |
|
554
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537 |
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538 /* User environment joystick support */ |
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539 if ( (env = getenv("SDL_LINUX_JOYSTICK")) ) { |
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540 strcpy(env_name, ""); |
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541 if ( *env == '\'' && sscanf(env, "'%[^']s'", env_name) == 1 ) |
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542 env += strlen(env_name)+2; |
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543 else if ( sscanf(env, "%s", env_name) == 1 ) |
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544 env += strlen(env_name); |
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545 |
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546 if ( strcmp(name, env_name) == 0 ) { |
| 0 | 547 |
|
554
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548 if ( sscanf(env, "%d %d %d", &tmp_naxes, &tmp_nhats, |
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549 &tmp_nballs) == 3 ) { |
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550 |
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551 joystick->naxes = tmp_naxes; |
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552 joystick->nhats = tmp_nhats; |
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553 joystick->nballs = tmp_nballs; |
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554 |
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555 handled = SDL_TRUE; |
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556 } |
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557 } |
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558 } |
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559 |
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560 /* Remap hats and balls */ |
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561 if (handled) { |
| 0 | 562 if ( joystick->nhats > 0 ) { |
|
589
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563 if ( allocate_hatdata(joystick) < 0 ) { |
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564 joystick->nhats = 0; |
| 0 | 565 } |
| 566 } | |
| 567 if ( joystick->nballs > 0 ) { | |
| 568 if ( allocate_balldata(joystick) < 0 ) { | |
| 569 joystick->nballs = 0; | |
| 570 } | |
| 571 } | |
| 572 } | |
|
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573 |
| 0 | 574 return(handled); |
| 575 } | |
| 576 | |
| 577 #ifdef USE_INPUT_EVENTS | |
| 578 | |
| 579 static SDL_bool EV_ConfigJoystick(SDL_Joystick *joystick, int fd) | |
| 580 { | |
| 871 | 581 int i, t; |
| 0 | 582 unsigned long keybit[40]; |
| 583 unsigned long absbit[40]; | |
| 584 unsigned long relbit[40]; | |
| 585 | |
| 586 /* See if this device uses the new unified event API */ | |
| 587 if ( (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) >= 0) && | |
| 588 (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) >= 0) && | |
| 589 (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(relbit)), relbit) >= 0) ) { | |
| 590 joystick->hwdata->is_hid = SDL_TRUE; | |
| 591 | |
| 592 /* Get the number of buttons, axes, and other thingamajigs */ | |
| 593 for ( i=BTN_JOYSTICK; i < KEY_MAX; ++i ) { | |
| 594 if ( test_bit(i, keybit) ) { | |
| 595 #ifdef DEBUG_INPUT_EVENTS | |
| 596 printf("Joystick has button: 0x%x\n", i); | |
| 597 #endif | |
| 598 joystick->hwdata->key_map[i-BTN_MISC] = | |
| 599 joystick->nbuttons; | |
| 600 ++joystick->nbuttons; | |
| 601 } | |
| 602 } | |
| 603 for ( i=BTN_MISC; i < BTN_JOYSTICK; ++i ) { | |
| 604 if ( test_bit(i, keybit) ) { | |
| 605 #ifdef DEBUG_INPUT_EVENTS | |
| 606 printf("Joystick has button: 0x%x\n", i); | |
| 607 #endif | |
| 608 joystick->hwdata->key_map[i-BTN_MISC] = | |
| 609 joystick->nbuttons; | |
| 610 ++joystick->nbuttons; | |
| 611 } | |
| 612 } | |
| 613 for ( i=0; i<ABS_MAX; ++i ) { | |
| 614 /* Skip hats */ | |
| 615 if ( i == ABS_HAT0X ) { | |
| 616 i = ABS_HAT3Y; | |
| 617 continue; | |
| 618 } | |
| 619 if ( test_bit(i, absbit) ) { | |
| 620 int values[5]; | |
| 621 | |
|
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622 if ( ioctl(fd, EVIOCGABS(i), values) < 0 ) |
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623 continue; |
| 0 | 624 #ifdef DEBUG_INPUT_EVENTS |
| 625 printf("Joystick has absolute axis: %x\n", i); | |
| 626 printf("Values = { %d, %d, %d, %d, %d }\n", | |
| 627 values[0], values[1], | |
| 628 values[2], values[3], values[4]); | |
| 629 #endif /* DEBUG_INPUT_EVENTS */ | |
| 630 joystick->hwdata->abs_map[i] = joystick->naxes; | |
| 631 if ( values[1] == values[2] ) { | |
| 632 joystick->hwdata->abs_correct[i].used = 0; | |
| 633 } else { | |
| 634 joystick->hwdata->abs_correct[i].used = 1; | |
|
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635 joystick->hwdata->abs_correct[i].coef[0] = |
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636 (values[2] + values[1]) / 2 - values[4]; |
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637 joystick->hwdata->abs_correct[i].coef[1] = |
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638 (values[2] + values[1]) / 2 + values[4]; |
| 871 | 639 t = ((values[2] - values[1]) / 2 - 2 * values[4]); |
| 640 if ( t != 0 ) { | |
| 641 joystick->hwdata->abs_correct[i].coef[2] = (1 << 29) / t; | |
|
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642 } else { |
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643 joystick->hwdata->abs_correct[i].coef[2] = 0; |
| 871 | 644 } |
| 0 | 645 } |
| 646 ++joystick->naxes; | |
| 647 } | |
| 648 } | |
| 649 for ( i=ABS_HAT0X; i <= ABS_HAT3Y; i += 2 ) { | |
| 650 if ( test_bit(i, absbit) || test_bit(i+1, absbit) ) { | |
| 651 #ifdef DEBUG_INPUT_EVENTS | |
| 652 printf("Joystick has hat %d\n",(i-ABS_HAT0X)/2); | |
| 653 #endif | |
| 654 ++joystick->nhats; | |
| 655 } | |
| 656 } | |
| 657 if ( test_bit(REL_X, relbit) || test_bit(REL_Y, relbit) ) { | |
| 658 ++joystick->nballs; | |
| 659 } | |
| 660 | |
| 661 /* Allocate data to keep track of these thingamajigs */ | |
| 662 if ( joystick->nhats > 0 ) { | |
| 663 if ( allocate_hatdata(joystick) < 0 ) { | |
| 664 joystick->nhats = 0; | |
| 665 } | |
| 666 } | |
| 667 if ( joystick->nballs > 0 ) { | |
| 668 if ( allocate_balldata(joystick) < 0 ) { | |
| 669 joystick->nballs = 0; | |
| 670 } | |
| 671 } | |
| 672 } | |
| 673 return(joystick->hwdata->is_hid); | |
| 674 } | |
| 675 | |
| 676 #endif /* USE_INPUT_EVENTS */ | |
| 677 | |
|
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678 #ifndef NO_LOGICAL_JOYSTICKS |
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679 static void ConfigLogicalJoystick(SDL_Joystick *joystick) |
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680 { |
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681 struct joystick_logical_layout* layout; |
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682 |
|
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683 layout = SDL_joylist[joystick->index].map->layouts + |
|
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684 SDL_joylist[joystick->index].logicalno; |
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685 |
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686 joystick->nbuttons = layout->nbuttons; |
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687 joystick->nhats = layout->nhats; |
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688 joystick->naxes = layout->naxes; |
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689 joystick->nballs = layout->nballs; |
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690 } |
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691 #endif |
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692 |
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693 |
| 0 | 694 /* Function to open a joystick for use. |
| 695 The joystick to open is specified by the index field of the joystick. | |
| 696 This should fill the nbuttons and naxes fields of the joystick structure. | |
| 697 It returns 0, or -1 if there is an error. | |
| 698 */ | |
| 699 int SDL_SYS_JoystickOpen(SDL_Joystick *joystick) | |
| 700 { | |
| 701 int fd; | |
|
892
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702 SDL_logical_joydecl(int realindex); |
|
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703 SDL_logical_joydecl(SDL_Joystick *realjoy = NULL); |
| 0 | 704 |
| 705 /* Open the joystick and set the joystick file descriptor */ | |
|
892
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706 #ifndef NO_LOGICAL_JOYSTICKS |
|
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707 if (SDL_joylist[joystick->index].fname == NULL) { |
|
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708 SDL_joylist_head(realindex, joystick->index); |
|
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709 realjoy = SDL_JoystickOpen(realindex); |
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710 |
|
dc29e5907694
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711 if (realjoy == NULL) |
|
dc29e5907694
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712 return(-1); |
|
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713 |
|
dc29e5907694
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714 fd = realjoy->hwdata->fd; |
|
dc29e5907694
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715 |
|
dc29e5907694
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716 } else { |
|
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|
717 fd = open(SDL_joylist[joystick->index].fname, O_RDONLY, 0); |
|
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718 } |
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719 SDL_joylist[joystick->index].joy = joystick; |
|
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720 #else |
|
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721 fd = open(SDL_joylist[joystick->index].fname, O_RDONLY, 0); |
|
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722 #endif |
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|
723 |
| 0 | 724 if ( fd < 0 ) { |
| 725 SDL_SetError("Unable to open %s\n", | |
| 726 SDL_joylist[joystick->index]); | |
| 727 return(-1); | |
| 728 } | |
| 729 joystick->hwdata = (struct joystick_hwdata *) | |
| 730 malloc(sizeof(*joystick->hwdata)); | |
| 731 if ( joystick->hwdata == NULL ) { | |
| 732 SDL_OutOfMemory(); | |
| 733 close(fd); | |
| 734 return(-1); | |
| 735 } | |
| 736 memset(joystick->hwdata, 0, sizeof(*joystick->hwdata)); | |
| 737 joystick->hwdata->fd = fd; | |
| 738 | |
| 739 /* Set the joystick to non-blocking read mode */ | |
| 740 fcntl(fd, F_SETFL, O_NONBLOCK); | |
| 741 | |
| 742 /* Get the number of buttons and axes on the joystick */ | |
|
892
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|
743 #ifndef NO_LOGICAL_JOYSTICKS |
|
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744 if (realjoy) |
|
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|
745 ConfigLogicalJoystick(joystick); |
|
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|
746 else |
|
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diff
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|
747 #endif |
| 0 | 748 #ifdef USE_INPUT_EVENTS |
| 749 if ( ! EV_ConfigJoystick(joystick, fd) ) | |
| 750 #endif | |
|
554
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|
751 JS_ConfigJoystick(joystick, fd); |
|
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752 |
| 0 | 753 return(0); |
| 754 } | |
| 755 | |
|
892
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|
756 #ifndef NO_LOGICAL_JOYSTICKS |
|
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757 |
|
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|
758 static SDL_Joystick* FindLogicalJoystick( |
|
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|
759 SDL_Joystick *joystick, struct joystick_logical_values* v) |
|
892
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760 { |
|
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761 SDL_Joystick *logicaljoy; |
|
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|
762 register int i; |
|
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|
763 |
|
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764 i = joystick->index; |
|
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Sam Lantinga <slouken@libsdl.org>
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765 logicaljoy = NULL; |
|
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766 |
|
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|
767 /* get the fake joystick that will receive the event |
|
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parents:
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768 */ |
|
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|
769 for(;;) { |
|
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|
770 |
|
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|
771 if (SDL_joylist[i].logicalno == v->njoy) { |
|
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772 logicaljoy = SDL_joylist[i].joy; |
|
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|
773 break; |
|
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|
774 } |
|
dc29e5907694
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parents:
872
diff
changeset
|
775 |
|
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parents:
872
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|
776 if (SDL_joylist[i].next == 0) |
|
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|
777 break; |
|
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|
778 |
|
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|
779 i = SDL_joylist[i].next; |
|
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|
780 |
|
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Sam Lantinga <slouken@libsdl.org>
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|
781 } |
|
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Sam Lantinga <slouken@libsdl.org>
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|
782 |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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changeset
|
783 return logicaljoy; |
|
dc29e5907694
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|
784 } |
|
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Sam Lantinga <slouken@libsdl.org>
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|
785 |
|
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|
786 static int LogicalJoystickButton( |
|
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|
787 SDL_Joystick *joystick, Uint8 button, Uint8 state){ |
|
953
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Backing out new changes, at Chris Nelson's request.
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changeset
|
788 struct joystick_logical_values* buttons; |
|
892
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|
789 SDL_Joystick *logicaljoy = NULL; |
|
dc29e5907694
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changeset
|
790 |
|
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Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
791 /* if there's no map then this is just a regular joystick |
|
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792 */ |
|
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|
793 if (SDL_joylist[joystick->index].map == NULL) |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
794 return 0; |
|
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|
795 |
|
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|
796 /* get the logical joystick that will receive the event |
|
dc29e5907694
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|
797 */ |
|
953
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Backing out new changes, at Chris Nelson's request.
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|
798 buttons = SDL_joylist[joystick->index].map->buttons+button; |
|
892
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|
799 logicaljoy = FindLogicalJoystick(joystick, buttons); |
|
dc29e5907694
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changeset
|
800 |
|
dc29e5907694
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|
801 if (logicaljoy == NULL) |
|
dc29e5907694
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|
802 return 1; |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
803 |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
804 SDL_PrivateJoystickButton(logicaljoy, buttons->nthing, state); |
|
dc29e5907694
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|
805 |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
806 return 1; |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
807 } |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
808 |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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changeset
|
809 static int LogicalJoystickAxis( |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
810 SDL_Joystick *joystick, Uint8 axis, Sint16 value) |
|
dc29e5907694
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|
811 { |
|
953
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Backing out new changes, at Chris Nelson's request.
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|
812 struct joystick_logical_values* axes; |
|
892
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|
813 SDL_Joystick *logicaljoy = NULL; |
|
dc29e5907694
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|
814 |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
815 /* if there's no map then this is just a regular joystick |
|
dc29e5907694
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|
816 */ |
|
dc29e5907694
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|
817 if (SDL_joylist[joystick->index].map == NULL) |
|
dc29e5907694
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Sam Lantinga <slouken@libsdl.org>
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|
818 return 0; |
|
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|
819 |
|
dc29e5907694
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|
820 /* get the logical joystick that will receive the event |
|
dc29e5907694
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|
821 */ |
|
953
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Backing out new changes, at Chris Nelson's request.
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|
822 axes = SDL_joylist[joystick->index].map->axes+axis; |
|
892
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|
823 logicaljoy = FindLogicalJoystick(joystick, axes); |
|
dc29e5907694
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824 |
|
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|
825 if (logicaljoy == NULL) |
|
dc29e5907694
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|
826 return 1; |
|
dc29e5907694
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|
827 |
|
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|
828 SDL_PrivateJoystickAxis(logicaljoy, axes->nthing, value); |
|
dc29e5907694
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829 |
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|
830 return 1; |
|
dc29e5907694
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|
831 } |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
832 #endif /* USE_LOGICAL_JOYSTICKS */ |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
833 |
| 0 | 834 static __inline__ |
| 835 void HandleHat(SDL_Joystick *stick, Uint8 hat, int axis, int value) | |
| 836 { | |
| 837 struct hwdata_hat *the_hat; | |
| 838 const Uint8 position_map[3][3] = { | |
| 839 { SDL_HAT_LEFTUP, SDL_HAT_UP, SDL_HAT_RIGHTUP }, | |
| 840 { SDL_HAT_LEFT, SDL_HAT_CENTERED, SDL_HAT_RIGHT }, | |
| 841 { SDL_HAT_LEFTDOWN, SDL_HAT_DOWN, SDL_HAT_RIGHTDOWN } | |
| 842 }; | |
|
892
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|
843 SDL_logical_joydecl(SDL_Joystick *logicaljoy = NULL); |
|
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Backing out new changes, at Chris Nelson's request.
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|
844 SDL_logical_joydecl(struct joystick_logical_values* hats = NULL); |
| 0 | 845 |
| 846 the_hat = &stick->hwdata->hats[hat]; | |
| 847 if ( value < 0 ) { | |
| 848 value = 0; | |
| 849 } else | |
| 850 if ( value == 0 ) { | |
| 851 value = 1; | |
| 852 } else | |
| 853 if ( value > 0 ) { | |
| 854 value = 2; | |
| 855 } | |
| 856 if ( value != the_hat->axis[axis] ) { | |
| 857 the_hat->axis[axis] = value; | |
|
892
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|
858 |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
859 #ifndef NO_LOGICAL_JOYSTICKS |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
860 /* if there's no map then this is just a regular joystick |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
861 */ |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
862 if (SDL_joylist[stick->index].map != NULL) { |
|
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863 |
|
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|
864 /* get the fake joystick that will receive the event |
|
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865 */ |
|
953
cb5e1d0cad31
Backing out new changes, at Chris Nelson's request.
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|
866 hats = SDL_joylist[stick->index].map->hats+hat; |
|
892
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|
867 logicaljoy = FindLogicalJoystick(stick, hats); |
|
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868 } |
|
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869 |
|
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870 if (logicaljoy) { |
|
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871 stick = logicaljoy; |
|
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872 hat = hats->nthing; |
|
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873 } |
|
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|
874 #endif /* USE_LOGICAL_JOYSTICKS */ |
|
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|
875 |
| 0 | 876 SDL_PrivateJoystickHat(stick, hat, |
| 877 position_map[the_hat->axis[1]][the_hat->axis[0]]); | |
| 878 } | |
| 879 } | |
| 880 | |
| 881 static __inline__ | |
| 882 void HandleBall(SDL_Joystick *stick, Uint8 ball, int axis, int value) | |
| 883 { | |
| 884 stick->hwdata->balls[ball].axis[axis] += value; | |
| 885 } | |
| 886 | |
| 887 /* Function to update the state of a joystick - called as a device poll. | |
| 888 * This function shouldn't update the joystick structure directly, | |
| 889 * but instead should call SDL_PrivateJoystick*() to deliver events | |
| 890 * and update joystick device state. | |
| 891 */ | |
| 892 static __inline__ void JS_HandleEvents(SDL_Joystick *joystick) | |
| 893 { | |
| 894 struct js_event events[32]; | |
| 895 int i, len; | |
| 896 Uint8 other_axis; | |
| 897 | |
|
892
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898 #ifndef NO_LOGICAL_JOYSTICKS |
|
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899 if (SDL_joylist[joystick->index].fname == NULL) { |
|
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900 SDL_joylist_head(i, joystick->index); |
|
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901 return JS_HandleEvents(SDL_joylist[i].joy); |
|
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902 } |
|
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|
903 #endif |
|
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904 |
| 0 | 905 while ((len=read(joystick->hwdata->fd, events, (sizeof events))) > 0) { |
| 906 len /= sizeof(events[0]); | |
| 907 for ( i=0; i<len; ++i ) { | |
| 908 switch (events[i].type & ~JS_EVENT_INIT) { | |
| 909 case JS_EVENT_AXIS: | |
| 910 if ( events[i].number < joystick->naxes ) { | |
|
892
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911 #ifndef NO_LOGICAL_JOYSTICKS |
|
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|
912 if (!LogicalJoystickAxis(joystick, |
|
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|
913 events[i].number, events[i].value)) |
|
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|
914 #endif |
| 0 | 915 SDL_PrivateJoystickAxis(joystick, |
| 916 events[i].number, events[i].value); | |
| 917 break; | |
| 918 } | |
| 919 events[i].number -= joystick->naxes; | |
|
589
2e58ece48b61
Removed obsolete Linux joystick code
Sam Lantinga <slouken@libsdl.org>
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|
920 other_axis = (events[i].number / 2); |
|
2e58ece48b61
Removed obsolete Linux joystick code
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|
921 if ( other_axis < joystick->nhats ) { |
|
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Removed obsolete Linux joystick code
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|
922 HandleHat(joystick, other_axis, |
|
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Removed obsolete Linux joystick code
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|
923 events[i].number%2, |
|
2e58ece48b61
Removed obsolete Linux joystick code
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|
924 events[i].value); |
|
2e58ece48b61
Removed obsolete Linux joystick code
Sam Lantinga <slouken@libsdl.org>
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|
925 break; |
| 0 | 926 } |
| 927 events[i].number -= joystick->nhats*2; | |
| 928 other_axis = (events[i].number / 2); | |
| 929 if ( other_axis < joystick->nballs ) { | |
| 930 HandleBall(joystick, other_axis, | |
| 931 events[i].number%2, | |
| 932 events[i].value); | |
| 933 break; | |
| 934 } | |
| 935 break; | |
| 936 case JS_EVENT_BUTTON: | |
|
892
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|
937 #ifndef NO_LOGICAL_JOYSTICKS |
|
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|
938 if (!LogicalJoystickButton(joystick, |
|
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|
939 events[i].number, events[i].value)) |
|
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|
940 #endif |
| 0 | 941 SDL_PrivateJoystickButton(joystick, |
| 942 events[i].number, events[i].value); | |
| 943 break; | |
| 944 default: | |
| 945 /* ?? */ | |
| 946 break; | |
| 947 } | |
| 948 } | |
| 949 } | |
| 950 } | |
| 951 #ifdef USE_INPUT_EVENTS | |
| 952 static __inline__ int EV_AxisCorrect(SDL_Joystick *joystick, int which, int value) | |
| 953 { | |
| 954 struct axis_correct *correct; | |
| 955 | |
| 956 correct = &joystick->hwdata->abs_correct[which]; | |
| 957 if ( correct->used ) { | |
| 958 if ( value > correct->coef[0] ) { | |
| 959 if ( value < correct->coef[1] ) { | |
| 960 return 0; | |
| 961 } | |
| 962 value -= correct->coef[1]; | |
| 963 } else { | |
| 964 value -= correct->coef[0]; | |
| 965 } | |
| 966 value *= correct->coef[2]; | |
| 967 value >>= 14; | |
| 968 } | |
|
554
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Linux joystick cleanups from Alan Swanson
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|
969 |
| 0 | 970 /* Clamp and return */ |
| 1275 | 971 if ( value < -32768 ) return -32768; |
|
554
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|
972 if ( value > 32767 ) return 32767; |
|
38b1a98aeb11
Linux joystick cleanups from Alan Swanson
Sam Lantinga <slouken@libsdl.org>
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|
973 |
| 0 | 974 return value; |
| 975 } | |
| 976 | |
| 977 static __inline__ void EV_HandleEvents(SDL_Joystick *joystick) | |
| 978 { | |
| 979 struct input_event events[32]; | |
| 980 int i, len; | |
| 981 int code; | |
| 982 | |
|
892
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|
983 #ifndef NO_LOGICAL_JOYSTICKS |
|
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984 if (SDL_joylist[joystick->index].fname == NULL) { |
|
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|
985 SDL_joylist_head(i, joystick->index); |
|
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|
986 return EV_HandleEvents(SDL_joylist[i].joy); |
|
dc29e5907694
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987 } |
|
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988 #endif |
|
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872
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changeset
|
989 |
| 0 | 990 while ((len=read(joystick->hwdata->fd, events, (sizeof events))) > 0) { |
| 991 len /= sizeof(events[0]); | |
| 992 for ( i=0; i<len; ++i ) { | |
| 993 code = events[i].code; | |
| 994 switch (events[i].type) { | |
| 995 case EV_KEY: | |
| 996 if ( code >= BTN_MISC ) { | |
| 997 code -= BTN_MISC; | |
|
892
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|
998 #ifndef NO_LOGICAL_JOYSTICKS |
|
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|
999 if (!LogicalJoystickButton(joystick, |
|
dc29e5907694
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|
1000 joystick->hwdata->key_map[code], |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
1001 events[i].value)) |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
1002 #endif |
| 0 | 1003 SDL_PrivateJoystickButton(joystick, |
| 1004 joystick->hwdata->key_map[code], | |
| 1005 events[i].value); | |
| 1006 } | |
| 1007 break; | |
| 1008 case EV_ABS: | |
| 1009 switch (code) { | |
| 1010 case ABS_HAT0X: | |
| 1011 case ABS_HAT0Y: | |
| 1012 case ABS_HAT1X: | |
| 1013 case ABS_HAT1Y: | |
| 1014 case ABS_HAT2X: | |
| 1015 case ABS_HAT2Y: | |
| 1016 case ABS_HAT3X: | |
| 1017 case ABS_HAT3Y: | |
| 1018 code -= ABS_HAT0X; | |
| 1019 HandleHat(joystick, code/2, code%2, | |
| 1020 events[i].value); | |
| 1021 break; | |
| 1022 default: | |
| 1023 events[i].value = EV_AxisCorrect(joystick, code, events[i].value); | |
|
892
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|
1024 #ifndef NO_LOGICAL_JOYSTICKS |
|
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|
1025 if (!LogicalJoystickAxis(joystick, |
|
dc29e5907694
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|
1026 joystick->hwdata->abs_map[code], |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
1027 events[i].value)) |
|
dc29e5907694
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|
1028 #endif |
| 0 | 1029 SDL_PrivateJoystickAxis(joystick, |
| 1030 joystick->hwdata->abs_map[code], | |
| 1031 events[i].value); | |
| 1032 break; | |
| 1033 } | |
| 1034 break; | |
| 1035 case EV_REL: | |
| 1036 switch (code) { | |
| 1037 case REL_X: | |
| 1038 case REL_Y: | |
| 1039 code -= REL_X; | |
| 1040 HandleBall(joystick, code/2, code%2, | |
| 1041 events[i].value); | |
| 1042 break; | |
| 1043 default: | |
| 1044 break; | |
| 1045 } | |
| 1046 break; | |
| 1047 default: | |
| 1048 break; | |
| 1049 } | |
| 1050 } | |
| 1051 } | |
| 1052 } | |
| 1053 #endif /* USE_INPUT_EVENTS */ | |
| 1054 | |
| 1055 void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick) | |
| 1056 { | |
| 1057 int i; | |
| 1058 | |
| 1059 #ifdef USE_INPUT_EVENTS | |
| 1060 if ( joystick->hwdata->is_hid ) | |
| 1061 EV_HandleEvents(joystick); | |
| 1062 else | |
| 1063 #endif | |
| 1064 JS_HandleEvents(joystick); | |
| 1065 | |
| 1066 /* Deliver ball motion updates */ | |
| 1067 for ( i=0; i<joystick->nballs; ++i ) { | |
| 1068 int xrel, yrel; | |
| 1069 | |
| 1070 xrel = joystick->hwdata->balls[i].axis[0]; | |
| 1071 yrel = joystick->hwdata->balls[i].axis[1]; | |
| 1072 if ( xrel || yrel ) { | |
| 1073 joystick->hwdata->balls[i].axis[0] = 0; | |
| 1074 joystick->hwdata->balls[i].axis[1] = 0; | |
| 1075 SDL_PrivateJoystickBall(joystick, (Uint8)i, xrel, yrel); | |
| 1076 } | |
| 1077 } | |
| 1078 } | |
| 1079 | |
| 1080 /* Function to close a joystick after use */ | |
| 1081 void SDL_SYS_JoystickClose(SDL_Joystick *joystick) | |
| 1082 { | |
|
892
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|
1083 #ifndef NO_LOGICAL_JOYSTICKS |
|
dc29e5907694
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|
1084 register int i; |
|
dc29e5907694
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|
1085 if (SDL_joylist[joystick->index].fname == NULL) { |
|
dc29e5907694
Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT)
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|
1086 SDL_joylist_head(i, joystick->index); |
|
dc29e5907694
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|
1087 SDL_JoystickClose(SDL_joylist[i].joy); |
|
dc29e5907694
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|
1088 } |
|
dc29e5907694
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|
1089 #endif |
|
dc29e5907694
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|
1090 |
| 0 | 1091 if ( joystick->hwdata ) { |
|
892
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|
1092 #ifndef NO_LOGICAL_JOYSTICKS |
|
dc29e5907694
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|
1093 if (SDL_joylist[joystick->index].fname != NULL) |
|
dc29e5907694
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|
1094 #endif |
| 0 | 1095 close(joystick->hwdata->fd); |
| 1096 if ( joystick->hwdata->hats ) { | |
| 1097 free(joystick->hwdata->hats); | |
| 1098 } | |
| 1099 if ( joystick->hwdata->balls ) { | |
| 1100 free(joystick->hwdata->balls); | |
| 1101 } | |
| 1102 free(joystick->hwdata); | |
| 1103 joystick->hwdata = NULL; | |
| 1104 } | |
| 1105 } | |
| 1106 | |
| 1107 /* Function to perform any system-specific joystick related cleanup */ | |
| 1108 void SDL_SYS_JoystickQuit(void) | |
| 1109 { | |
| 1110 int i; | |
| 1111 | |
|
892
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|
1112 for ( i=0; SDL_joylist[i].fname; ++i ) { |
|
dc29e5907694
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|
1113 free(SDL_joylist[i].fname); |
| 0 | 1114 } |
|
892
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|
1115 SDL_joylist[0].fname = NULL; |
| 0 | 1116 } |
| 1117 |