0
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* Handle the event stream, converting X11 events into SDL events */
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29
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30 #include <stdio.h>
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31
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32 #include <vga.h>
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33 #include <vgamouse.h>
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34 #include <vgakeyboard.h>
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35 #if defined(linux)
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36 #include <linux/kd.h>
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37 #include <linux/keyboard.h>
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38 #elif defined(__FreeBSD__)
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39 #include <sys/kbio.h>
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40 #else
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41 #error You must choose your operating system here
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42 #endif
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43
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44 #include "SDL.h"
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45 #include "SDL_sysevents.h"
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46 #include "SDL_events_c.h"
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47 #include "SDL_svgavideo.h"
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48 #include "SDL_svgaevents_c.h"
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49
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50 /* The translation tables from a console scancode to a SDL keysym */
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51 #if defined(linux)
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52 #define NUM_VGAKEYMAPS (1<<KG_CAPSSHIFT)
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53 static Uint16 vga_keymap[NUM_VGAKEYMAPS][NR_KEYS];
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54 #elif defined(__FreeBSD__)
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55 /* FIXME: Free the keymap when we shut down the video mode */
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56 static keymap_t *vga_keymap = NULL;
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57 #else
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58 #error You must choose your operating system here
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59 #endif
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60 static SDLKey keymap[128];
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61 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym);
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62
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63 /* Ugh, we have to duplicate the kernel's keysym mapping code...
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64 Oh, it's not so bad. :-)
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65
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66 FIXME: Add keyboard LED handling code
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67 */
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68 #if defined(linux)
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69 int SVGA_initkeymaps(int fd)
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70 {
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71 struct kbentry entry;
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72 int map, i;
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73
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74 /* Load all the keysym mappings */
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75 for ( map=0; map<NUM_VGAKEYMAPS; ++map ) {
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76 memset(vga_keymap[map], 0, NR_KEYS*sizeof(Uint16));
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77 for ( i=0; i<NR_KEYS; ++i ) {
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78 entry.kb_table = map;
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79 entry.kb_index = i;
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80 if ( ioctl(fd, KDGKBENT, &entry) == 0 ) {
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81 /* The "Enter" key is a special case */
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82 if ( entry.kb_value == K_ENTER ) {
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83 entry.kb_value = K(KT_ASCII,13);
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84 }
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85 /* Handle numpad specially as well */
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86 if ( KTYP(entry.kb_value) == KT_PAD ) {
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87 switch ( entry.kb_value ) {
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88 case K_P0:
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89 case K_P1:
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90 case K_P2:
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91 case K_P3:
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92 case K_P4:
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93 case K_P5:
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94 case K_P6:
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95 case K_P7:
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96 case K_P8:
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97 case K_P9:
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98 vga_keymap[map][i]=entry.kb_value;
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99 vga_keymap[map][i]+= '0';
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100 break;
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101 case K_PPLUS:
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102 vga_keymap[map][i]=K(KT_ASCII,'+');
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103 break;
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104 case K_PMINUS:
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105 vga_keymap[map][i]=K(KT_ASCII,'-');
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106 break;
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107 case K_PSTAR:
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108 vga_keymap[map][i]=K(KT_ASCII,'*');
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109 break;
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110 case K_PSLASH:
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111 vga_keymap[map][i]=K(KT_ASCII,'/');
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112 break;
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113 case K_PENTER:
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114 vga_keymap[map][i]=K(KT_ASCII,'\r');
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115 break;
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116 case K_PCOMMA:
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117 vga_keymap[map][i]=K(KT_ASCII,',');
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118 break;
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119 case K_PDOT:
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120 vga_keymap[map][i]=K(KT_ASCII,'.');
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121 break;
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122 default:
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123 break;
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124 }
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125 }
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126 /* Do the normal key translation */
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127 if ( (KTYP(entry.kb_value) == KT_LATIN) ||
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128 (KTYP(entry.kb_value) == KT_ASCII) ||
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129 (KTYP(entry.kb_value) == KT_LETTER) ) {
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130 vga_keymap[map][i] = entry.kb_value;
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131 }
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132 }
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133 }
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134 }
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135 return(0);
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136 }
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137 #elif defined(__FreeBSD__)
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138 int SVGA_initkeymaps(int fd)
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139 {
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140 vga_keymap = malloc(sizeof(keymap_t));
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141 if ( ! vga_keymap ) {
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142 SDL_OutOfMemory();
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143 return(-1);
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144 }
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145 if (ioctl(fd, GIO_KEYMAP, vga_keymap) == -1) {
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146 free(vga_keymap);
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147 vga_keymap = NULL;
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148 SDL_SetError("Unable to get keyboard map");
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149 return(-1);
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150 }
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151 return(0);
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152 }
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153 #else
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154 #error You must choose your operating system here
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155 #endif
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156
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157 int posted = 0;
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158
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159 void SVGA_mousecallback(int button, int dx, int dy,
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160 int u1,int u2,int u3, int u4)
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161 {
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162 if ( dx || dy ) {
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163 posted += SDL_PrivateMouseMotion(0, 1, dx, dy);
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164 }
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165 if ( button & MOUSE_LEFTBUTTON ) {
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166 if ( !(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(1)) ) {
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167 posted += SDL_PrivateMouseButton(SDL_PRESSED, 1, 0, 0);
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168 }
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169 } else {
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170 if ( (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(1)) ) {
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171 posted += SDL_PrivateMouseButton(SDL_RELEASED, 1, 0, 0);
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172 }
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173 }
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174 if ( button & MOUSE_MIDDLEBUTTON ) {
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175 if ( !(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(2)) ) {
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176 posted += SDL_PrivateMouseButton(SDL_PRESSED, 2, 0, 0);
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177 }
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178 } else {
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179 if ( (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(2)) ) {
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180 posted += SDL_PrivateMouseButton(SDL_RELEASED, 2, 0, 0);
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181 }
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182 }
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183 if ( button & MOUSE_RIGHTBUTTON ) {
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184 if ( !(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(3)) ) {
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185 posted += SDL_PrivateMouseButton(SDL_PRESSED, 3, 0, 0);
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186 }
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187 } else {
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188 if ( (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(3)) ) {
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189 posted += SDL_PrivateMouseButton(SDL_RELEASED, 3, 0, 0);
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190 }
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191 }
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192 }
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193
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194 void SVGA_keyboardcallback(int scancode, int pressed)
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195 {
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196 SDL_keysym keysym;
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197
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198 if ( pressed ) {
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199 posted += SDL_PrivateKeyboard(SDL_PRESSED,
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200 TranslateKey(scancode, &keysym));
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201 } else {
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202 posted += SDL_PrivateKeyboard(SDL_RELEASED,
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203 TranslateKey(scancode, &keysym));
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204 }
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205 }
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206
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207 void SVGA_PumpEvents(_THIS)
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208 {
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209 do {
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210 posted = 0;
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211 mouse_update();
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212 keyboard_update();
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213 } while ( posted );
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214 }
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215
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216 void SVGA_InitOSKeymap(_THIS)
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217 {
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218 int i;
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219
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220 /* Initialize the BeOS key translation table */
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221 for ( i=0; i<SDL_TABLESIZE(keymap); ++i )
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222 keymap[i] = SDLK_UNKNOWN;
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223
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224 keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE;
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225 keymap[SCANCODE_1] = SDLK_1;
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226 keymap[SCANCODE_2] = SDLK_2;
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227 keymap[SCANCODE_3] = SDLK_3;
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228 keymap[SCANCODE_4] = SDLK_4;
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229 keymap[SCANCODE_5] = SDLK_5;
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230 keymap[SCANCODE_6] = SDLK_6;
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231 keymap[SCANCODE_7] = SDLK_7;
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232 keymap[SCANCODE_8] = SDLK_8;
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233 keymap[SCANCODE_9] = SDLK_9;
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234 keymap[SCANCODE_0] = SDLK_0;
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235 keymap[SCANCODE_MINUS] = SDLK_MINUS;
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236 keymap[SCANCODE_EQUAL] = SDLK_EQUALS;
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237 keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE;
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238 keymap[SCANCODE_TAB] = SDLK_TAB;
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239 keymap[SCANCODE_Q] = SDLK_q;
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240 keymap[SCANCODE_W] = SDLK_w;
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241 keymap[SCANCODE_E] = SDLK_e;
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242 keymap[SCANCODE_R] = SDLK_r;
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243 keymap[SCANCODE_T] = SDLK_t;
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244 keymap[SCANCODE_Y] = SDLK_y;
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245 keymap[SCANCODE_U] = SDLK_u;
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246 keymap[SCANCODE_I] = SDLK_i;
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247 keymap[SCANCODE_O] = SDLK_o;
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248 keymap[SCANCODE_P] = SDLK_p;
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249 keymap[SCANCODE_BRACKET_LEFT] = SDLK_LEFTBRACKET;
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250 keymap[SCANCODE_BRACKET_RIGHT] = SDLK_RIGHTBRACKET;
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251 keymap[SCANCODE_ENTER] = SDLK_RETURN;
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252 keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL;
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253 keymap[SCANCODE_A] = SDLK_a;
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254 keymap[SCANCODE_S] = SDLK_s;
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255 keymap[SCANCODE_D] = SDLK_d;
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256 keymap[SCANCODE_F] = SDLK_f;
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257 keymap[SCANCODE_G] = SDLK_g;
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258 keymap[SCANCODE_H] = SDLK_h;
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259 keymap[SCANCODE_J] = SDLK_j;
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260 keymap[SCANCODE_K] = SDLK_k;
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261 keymap[SCANCODE_L] = SDLK_l;
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262 keymap[SCANCODE_SEMICOLON] = SDLK_SEMICOLON;
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263 keymap[SCANCODE_APOSTROPHE] = SDLK_QUOTE;
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264 keymap[SCANCODE_GRAVE] = SDLK_BACKQUOTE;
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265 keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT;
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266 keymap[SCANCODE_BACKSLASH] = SDLK_BACKSLASH;
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267 keymap[SCANCODE_Z] = SDLK_z;
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268 keymap[SCANCODE_X] = SDLK_x;
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269 keymap[SCANCODE_C] = SDLK_c;
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270 keymap[SCANCODE_V] = SDLK_v;
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271 keymap[SCANCODE_B] = SDLK_b;
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272 keymap[SCANCODE_N] = SDLK_n;
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273 keymap[SCANCODE_M] = SDLK_m;
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274 keymap[SCANCODE_COMMA] = SDLK_COMMA;
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275 keymap[SCANCODE_PERIOD] = SDLK_PERIOD;
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276 keymap[SCANCODE_SLASH] = SDLK_SLASH;
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277 keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT;
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278 keymap[SCANCODE_KEYPADMULTIPLY] = SDLK_KP_MULTIPLY;
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279 keymap[SCANCODE_LEFTALT] = SDLK_LALT;
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280 keymap[SCANCODE_SPACE] = SDLK_SPACE;
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281 keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK;
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282 keymap[SCANCODE_F1] = SDLK_F1;
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283 keymap[SCANCODE_F2] = SDLK_F2;
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284 keymap[SCANCODE_F3] = SDLK_F3;
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285 keymap[SCANCODE_F4] = SDLK_F4;
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286 keymap[SCANCODE_F5] = SDLK_F5;
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287 keymap[SCANCODE_F6] = SDLK_F6;
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288 keymap[SCANCODE_F7] = SDLK_F7;
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289 keymap[SCANCODE_F8] = SDLK_F8;
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290 keymap[SCANCODE_F9] = SDLK_F9;
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291 keymap[SCANCODE_F10] = SDLK_F10;
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292 keymap[SCANCODE_NUMLOCK] = SDLK_NUMLOCK;
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293 keymap[SCANCODE_SCROLLLOCK] = SDLK_SCROLLOCK;
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294 keymap[SCANCODE_KEYPAD7] = SDLK_KP7;
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295 keymap[SCANCODE_CURSORUPLEFT] = SDLK_KP7;
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296 keymap[SCANCODE_KEYPAD8] = SDLK_KP8;
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297 keymap[SCANCODE_CURSORUP] = SDLK_KP8;
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298 keymap[SCANCODE_KEYPAD9] = SDLK_KP9;
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299 keymap[SCANCODE_CURSORUPRIGHT] = SDLK_KP9;
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300 keymap[SCANCODE_KEYPADMINUS] = SDLK_KP_MINUS;
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301 keymap[SCANCODE_KEYPAD4] = SDLK_KP4;
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302 keymap[SCANCODE_CURSORLEFT] = SDLK_KP4;
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303 keymap[SCANCODE_KEYPAD5] = SDLK_KP5;
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304 keymap[SCANCODE_KEYPAD6] = SDLK_KP6;
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305 keymap[SCANCODE_CURSORRIGHT] = SDLK_KP6;
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306 keymap[SCANCODE_KEYPADPLUS] = SDLK_KP_PLUS;
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307 keymap[SCANCODE_KEYPAD1] = SDLK_KP1;
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308 keymap[SCANCODE_CURSORDOWNLEFT] = SDLK_KP1;
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309 keymap[SCANCODE_KEYPAD2] = SDLK_KP2;
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310 keymap[SCANCODE_CURSORDOWN] = SDLK_KP2;
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311 keymap[SCANCODE_KEYPAD3] = SDLK_KP3;
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312 keymap[SCANCODE_CURSORDOWNRIGHT] = SDLK_KP3;
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313 keymap[SCANCODE_KEYPAD0] = SDLK_KP0;
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314 keymap[SCANCODE_KEYPADPERIOD] = SDLK_KP_PERIOD;
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315 keymap[SCANCODE_LESS] = SDLK_LESS;
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316 keymap[SCANCODE_F11] = SDLK_F11;
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317 keymap[SCANCODE_F12] = SDLK_F12;
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318 keymap[SCANCODE_KEYPADENTER] = SDLK_KP_ENTER;
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319 keymap[SCANCODE_RIGHTCONTROL] = SDLK_RCTRL;
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320 keymap[SCANCODE_CONTROL] = SDLK_RCTRL;
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321 keymap[SCANCODE_KEYPADDIVIDE] = SDLK_KP_DIVIDE;
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322 keymap[SCANCODE_PRINTSCREEN] = SDLK_PRINT;
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323 keymap[SCANCODE_RIGHTALT] = SDLK_RALT;
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324 keymap[SCANCODE_BREAK] = SDLK_BREAK;
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325 keymap[SCANCODE_BREAK_ALTERNATIVE] = SDLK_UNKNOWN;
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326 keymap[SCANCODE_HOME] = SDLK_HOME;
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327 keymap[SCANCODE_CURSORBLOCKUP] = SDLK_UP;
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328 keymap[SCANCODE_PAGEUP] = SDLK_PAGEUP;
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329 keymap[SCANCODE_CURSORBLOCKLEFT] = SDLK_LEFT;
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330 keymap[SCANCODE_CURSORBLOCKRIGHT] = SDLK_RIGHT;
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331 keymap[SCANCODE_END] = SDLK_END;
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332 keymap[SCANCODE_CURSORBLOCKDOWN] = SDLK_DOWN;
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333 keymap[SCANCODE_PAGEDOWN] = SDLK_PAGEDOWN;
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334 keymap[SCANCODE_INSERT] = SDLK_INSERT;
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335 keymap[SCANCODE_REMOVE] = SDLK_DELETE;
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336 keymap[119] = SDLK_PAUSE;
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337 keymap[SCANCODE_RIGHTWIN] = SDLK_RSUPER;
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338 keymap[SCANCODE_LEFTWIN] = SDLK_LSUPER;
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339 keymap[127] = SDLK_MENU;
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340 }
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341
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342 #if defined(linux)
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343 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)
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344 {
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345 /* Set the keysym information */
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346 keysym->scancode = scancode;
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347 keysym->sym = keymap[scancode];
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348 keysym->mod = KMOD_NONE;
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349
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350 /* If UNICODE is on, get the UNICODE value for the key */
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351 keysym->unicode = 0;
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352 if ( SDL_TranslateUNICODE ) {
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353 int map;
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354 SDLMod modstate;
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355
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356 modstate = SDL_GetModState();
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357 map = 0;
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358 if ( modstate & KMOD_SHIFT ) {
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359 map |= (1<<KG_SHIFT);
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360 }
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361 if ( modstate & KMOD_CTRL ) {
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362 map |= (1<<KG_CTRL);
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363 }
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364 if ( modstate & KMOD_ALT ) {
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365 map |= (1<<KG_ALT);
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366 }
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367 if ( modstate & KMOD_MODE ) {
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368 map |= (1<<KG_ALTGR);
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369 }
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370 if ( KTYP(vga_keymap[map][scancode]) == KT_LETTER ) {
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371 if ( modstate & KMOD_CAPS ) {
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372 map ^= (1<<KG_SHIFT);
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373 }
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374 }
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375 if ( KTYP(vga_keymap[map][scancode]) == KT_PAD ) {
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376 if ( modstate & KMOD_NUM ) {
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377 keysym->unicode=KVAL(vga_keymap[map][scancode]);
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378 }
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379 } else {
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380 keysym->unicode = KVAL(vga_keymap[map][scancode]);
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381 }
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382 }
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383 return(keysym);
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384 }
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385 #elif defined(__FreeBSD__)
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386 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)
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387 {
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388 /* Set the keysym information */
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389 keysym->scancode = scancode;
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390 keysym->sym = keymap[scancode];
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391 keysym->mod = KMOD_NONE;
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392
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393 /* If UNICODE is on, get the UNICODE value for the key */
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394 keysym->unicode = 0;
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395 if ( SDL_TranslateUNICODE && vga_keymap ) {
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396 int map;
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397 SDLMod modstate;
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398
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399 modstate = SDL_GetModState();
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400 map = 0;
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401 if ( modstate & KMOD_SHIFT ) {
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402 map += 1;
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403 }
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404 if ( modstate & KMOD_CTRL ) {
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405 map += 2;
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406 }
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407 if ( modstate & KMOD_ALT ) {
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408 map += 4;
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409 }
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410 if ( !(vga_keymap->key[scancode].spcl & (0x80 >> map)) ) {
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411 keysym->unicode = vga_keymap->key[scancode].map[map];
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412 }
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413
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414 }
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415 return(keysym);
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416 }
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417 #else
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418 #error You must choose your operating system here
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419 #endif
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