Mercurial > sdl-ios-xcode

annotate src/video/wscons/SDL_wsconsevents.c @ 3234:f8c02d0560d5

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Fixed bug #746 Fixed freeze when trying to memset with 0 length
author Sam Lantinga <slouken@libsdl.org>
date Fri, 07 Aug 2009 10:20:10 +0000
parents 4e4d814884aa
children
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #include <sys/types.h>
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25 #include <dev/wscons/wsdisplay_usl_io.h>
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26 #include <sys/ioctl.h>
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27 #include <fcntl.h>
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28 #include <unistd.h>
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29 #include <termios.h>
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30 #include <errno.h>
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31 #include <string.h>
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32
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33 #include "../../events/SDL_sysevents.h"
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34 #include "../../events/SDL_events_c.h"
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35 #include "SDL_wsconsvideo.h"
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36 #include "SDL_wsconsevents_c.h"
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37
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38 static int posted = 0;
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39
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40 int
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41 WSCONS_InitKeyboard(_THIS)
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42 {
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43 struct termios tty;
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44
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45 if (ioctl(private->fd, WSKBDIO_GTYPE, &private->kbdType) == -1) {
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46 WSCONS_ReportError("cannot get keyboard type: %s", strerror(errno));
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47 return -1;
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48 }
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49
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50 if (tcgetattr(private->fd, &private->saved_tty) == -1) {
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51 WSCONS_ReportError("cannot get terminal attributes: %s",
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52 strerror(errno));
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53 return -1;
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54 }
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55 private->did_save_tty = 1;
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56 tty = private->saved_tty;
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57 tty.c_iflag = IGNPAR | IGNBRK;
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58 tty.c_oflag = 0;
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59 tty.c_cflag = CREAD | CS8;
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60 tty.c_lflag = 0;
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61 tty.c_cc[VTIME] = 0;
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62 tty.c_cc[VMIN] = 1;
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63 cfsetispeed(&tty, 9600);
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64 cfsetospeed(&tty, 9600);
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65 if (tcsetattr(private->fd, TCSANOW, &tty) < 0) {
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66 WSCONS_ReportError("cannot set terminal attributes: %s",
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67 strerror(errno));
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68 return -1;
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69 }
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70 if (ioctl(private->fd, KDSKBMODE, K_RAW) == -1) {
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71 WSCONS_ReportError("cannot set raw keyboard mode: %s",
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72 strerror(errno));
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73 return -1;
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74 }
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75
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76 return 0;
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77 }
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78
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79 void
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80 WSCONS_ReleaseKeyboard(_THIS)
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81 {
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82 if (private->fd != -1) {
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83 if (ioctl(private->fd, KDSKBMODE, K_XLATE) == -1) {
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84 WSCONS_ReportError
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85 ("cannot restore keyboard to translated mode: %s",
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86 strerror(errno));
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87 }
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88 if (private->did_save_tty) {
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89 if (tcsetattr(private->fd, TCSANOW, &private->saved_tty) < 0) {
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90 WSCONS_ReportError
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91 ("cannot restore keynoard attributes: %s",
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92 strerror(errno));
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93 }
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94 }
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95 }
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96 }
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97
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98 static void
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99 updateMouse()
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100 {
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101 }
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102
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103 static SDLKey keymap[128];
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104
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105 static SDL_keysym *
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106 TranslateKey(int scancode, SDL_keysym * keysym)
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107 {
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108 keysym->scancode = scancode;
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109 keysym->sym = SDLK_UNKNOWN;
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110 keysym->mod = KMOD_NONE;
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111
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112 if (scancode < SDL_arraysize(keymap))
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113 keysym->sym = keymap[scancode];
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114
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115 if (keysym->sym == SDLK_UNKNOWN)
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116 printf("Unknown mapping for scancode %d\n", scancode);
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117
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118 return keysym;
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119 }
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120
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121 static void
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122 updateKeyboard(_THIS)
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123 {
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124 unsigned char buf[100];
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125 SDL_keysym keysym;
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126 int n, i;
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127
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128 if ((n = read(private->fd, buf, sizeof(buf))) > 0) {
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129 for (i = 0; i < n; i++) {
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130 unsigned char c = buf[i] & 0x7f;
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131 if (c == 224) // special key prefix -- what should we do with it?
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132 continue;
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133 posted +=
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134 SDL_PrivateKeyboard((buf[i] & 0x80) ? SDL_RELEASED :
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135 SDL_PRESSED, TranslateKey(c, &keysym));
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136 }
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137 }
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138 }
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139
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diff changeset
140 void
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141 WSCONS_PumpEvents(_THIS)
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142 {
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143 do {
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144 posted = 0;
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145 updateMouse();
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146 updateKeyboard(this);
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147 } while (posted);
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148 }
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149
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150 void
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151 WSCONS_InitOSKeymap(_THIS)
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152 {
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153 int i;
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154
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155 /* Make sure unknown keys are mapped correctly */
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156 for (i = 0; i < SDL_arraysize(keymap); i++) {
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157 keymap[i] = SDLK_UNKNOWN;
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158 }
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159
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160 switch (private->kbdType) {
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161 #ifdef WSKBD_TYPE_ZAURUS
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162 case WSKBD_TYPE_ZAURUS:
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163 /* top row */
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164 keymap[2] = SDLK_1;
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165 keymap[3] = SDLK_2;
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166 keymap[4] = SDLK_3;
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167 keymap[5] = SDLK_4;
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168 keymap[6] = SDLK_5;
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169 keymap[7] = SDLK_6;
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170 keymap[8] = SDLK_7;
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171 keymap[9] = SDLK_8;
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172 keymap[10] = SDLK_9;
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173 keymap[11] = SDLK_0;
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174 keymap[14] = SDLK_BACKSPACE;
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175
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176 /* second row */
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177 keymap[16] = SDLK_q;
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178 keymap[17] = SDLK_w;
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179 keymap[18] = SDLK_e;
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180 keymap[19] = SDLK_r;
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181 keymap[20] = SDLK_t;
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182 keymap[21] = SDLK_y;
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183 keymap[22] = SDLK_u;
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184 keymap[23] = SDLK_i;
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185 keymap[24] = SDLK_o;
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186 keymap[25] = SDLK_p;
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187
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188 /* third row */
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189 keymap[15] = SDLK_TAB;
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190 keymap[30] = SDLK_a;
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191 keymap[31] = SDLK_s;
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192 keymap[32] = SDLK_d;
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193 keymap[33] = SDLK_f;
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194 keymap[34] = SDLK_g;
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195 keymap[35] = SDLK_h;
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196 keymap[36] = SDLK_j;
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197 keymap[37] = SDLK_k;
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198 keymap[38] = SDLK_l;
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199
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200 /* fourth row */
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201 keymap[42] = SDLK_LSHIFT;
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202 keymap[44] = SDLK_z;
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203 keymap[45] = SDLK_x;
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204 keymap[46] = SDLK_c;
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205 keymap[47] = SDLK_v;
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206 keymap[48] = SDLK_b;
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207 keymap[49] = SDLK_n;
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208 keymap[50] = SDLK_m;
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209 keymap[54] = SDLK_RSHIFT;
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210 keymap[28] = SDLK_RETURN;
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211
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212 /* fifth row */
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213 keymap[56] = SDLK_LALT;
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214 keymap[29] = SDLK_LCTRL;
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215 /* keymap[56] = ; */
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216 keymap[0] = SDLK_LSUPER;
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217 keymap[12] = SDLK_MINUS;
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218 keymap[57] = SDLK_SPACE;
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219 keymap[51] = SDLK_COMMA;
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220 keymap[52] = SDLK_PERIOD;
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221
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222 /* misc */
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223 keymap[59] = SDLK_F1;
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224 keymap[60] = SDLK_F2;
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225 keymap[61] = SDLK_F3;
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226 keymap[62] = SDLK_F4;
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227 keymap[63] = SDLK_F5;
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228 keymap[1] = SDLK_ESCAPE;
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229 /* keymap[28] = SDLK_KP_ENTER; */
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230 keymap[72] = SDLK_UP;
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231 keymap[75] = SDLK_LEFT;
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232 keymap[77] = SDLK_RIGHT;
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233 keymap[80] = SDLK_DOWN;
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234 break;
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235 #endif /* WSKBD_TYPE_ZAURUS */
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236
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237 default:
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238 WSCONS_ReportError("Unable to map keys for keyboard type %u",
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239 private->kbdType);
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240 break;
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241 }
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242 }
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243
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244 /* end of SDL_wsconsevents.c ... */
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245 /* vi: set ts=4 sw=4 expandtab: */