annotate src/video/bwindow/SDL_sysevents.cc @ 0:74212992fb08

Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
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children cf2af46e9e2a
rev   line source
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 #include <support/UTF8.h>
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29 #include <stdio.h>
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30 #include <string.h>
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31 #include "SDL_error.h"
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32 #include "SDL_events.h"
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33 #include "SDL_BWin.h"
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34 #include "SDL_lowvideo.h"
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35
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36 extern "C" {
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37
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38 #include "SDL_events_c.h"
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39 #include "SDL_sysevents.h"
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40 #include "SDL_sysevents_c.h"
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41
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42 /* A note on why the polling loops are necessary.
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43 The BeOS Preview 2 implementation of BView->MouseMoved() only notifies
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44 the view when the mouse enters or leaves the view. The documentation
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45 says that you should loop and use GetMouse() to detect mouse motion.
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46 The BeOS Preview 2 implementation of BView->KeyDown() and BView->KeyUp()
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47 are only called for keys that generate ASCII characters. Since we want
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48 to act like a low level raw keyboard, we need to poll the state of the
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49 keys instead of catching the keys in callbacks.
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50 These are documented portions of the BeBook for Preview Release 2
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51 */
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52
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53 /* Table to convert scancodes to SDL virtual keys */
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54 static SDLKey keymap[128];
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55
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56 /* Function to convert from a key scancode to a UNICODE character */
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57 static key_map *be_keymap;
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58 static int32 *option_caps_map[2], *option_map[2], *caps_map[2], *normal_map[2];
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59 static char *unicode_map;
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60 static Uint16 TranslateScancode(int scancode)
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61 {
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62 SDLMod modstate;
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63 int shifted;
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64 int32 index; /* Index into system unicode map */
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65 Uint16 unicode;
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66
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67 /* Set the default character -- no character */
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68 unicode = 0;
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69
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70 /* See whether or not the shift state is set */
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71 modstate = SDL_GetModState();
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72 if ( modstate & KMOD_SHIFT ) {
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73 shifted = 1;
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74 } else {
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75 shifted = 0;
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76 }
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77
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78 if ( modstate & KMOD_NUM ) {
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79 /* If numlock is on, numeric keypad keys have shift state inverted */
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80 switch (keymap[scancode]) {
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81 case SDLK_KP0:
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82 case SDLK_KP1:
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83 case SDLK_KP2:
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84 case SDLK_KP3:
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85 case SDLK_KP4:
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86 case SDLK_KP5:
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87 case SDLK_KP6:
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88 case SDLK_KP7:
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89 case SDLK_KP8:
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90 case SDLK_KP9:
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91 case SDLK_KP_PERIOD:
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92 case SDLK_KP_DIVIDE:
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93 case SDLK_KP_MULTIPLY:
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94 case SDLK_KP_MINUS:
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95 case SDLK_KP_PLUS:
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96 case SDLK_KP_ENTER:
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97 case SDLK_KP_EQUALS:
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98 shifted = !shifted;
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99 break;
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100 default:
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101 break;
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102 }
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103 }
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104
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105 /* Get the index based on modifier state */
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106 if ( modstate & KMOD_CTRL )
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107 index = be_keymap->control_map[scancode];
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108 else
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109 if ( (modstate & KMOD_META) && (modstate & KMOD_CAPS) )
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110 index = option_caps_map[shifted][scancode];
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111 else
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112 if ( modstate & KMOD_META )
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113 index = option_map[shifted][scancode];
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114 else
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115 if ( modstate & KMOD_CAPS )
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116 index = caps_map[shifted][scancode];
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117 else
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118 index = normal_map[shifted][scancode];
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119
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120 /* If there is a mapping, convert character from UTF-8 to UNICODE */
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121 if ( unicode_map[index] ) {
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122 int32 state, srclen, dstlen;
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123 unsigned char destbuf[2];
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124
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125 state = 0;
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126 srclen = unicode_map[index++];
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127 dstlen = sizeof(destbuf);
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128 convert_from_utf8(B_UNICODE_CONVERSION,
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129 &unicode_map[index], &srclen, (char *)destbuf, &dstlen,
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130 &state);
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131 unicode = destbuf[0];
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132 unicode <<= 8;
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133 unicode |= destbuf[1];
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134
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135 /* Keyboard input maps newline to carriage return */
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136 if ( unicode == '\n' ) {
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137 unicode = '\r';
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138 }
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139
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140 /* For some reason function keys map to control characters */
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141 # define CTRL(X) ((X)-'@')
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142 switch (unicode) {
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143 case CTRL('A'):
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144 case CTRL('B'):
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145 case CTRL('C'):
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146 case CTRL('D'):
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147 case CTRL('E'):
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148 case CTRL('K'):
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149 case CTRL('L'):
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150 case CTRL('P'):
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151 if ( ! (modstate & KMOD_CTRL) )
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152 unicode = 0;
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153 break;
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154 default:
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155 break;
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156 }
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157 }
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158 return(unicode);
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159 }
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160
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161 /* Function to translate a keyboard transition and queue the key event */
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162 static void QueueKey(int scancode, int pressed)
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163 {
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164 SDL_keysym keysym;
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165
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166 /* Set the keysym information */
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167 keysym.scancode = scancode;
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168 keysym.sym = keymap[scancode];
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169 keysym.mod = KMOD_NONE;
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170 if ( SDL_TranslateUNICODE ) {
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171 keysym.unicode = TranslateScancode(scancode);
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172 } else {
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173 keysym.unicode = 0;
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174 }
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175
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176 /* NUMLOCK and CAPSLOCK are implemented as double-presses in reality */
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177 if ( (keysym.sym == SDLK_NUMLOCK) || (keysym.sym == SDLK_CAPSLOCK) ) {
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178 pressed = 1;
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179 }
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180
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181 /* Queue the key event */
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182 if ( pressed ) {
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183 SDL_PrivateKeyboard(SDL_PRESSED, &keysym);
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184 } else {
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185 SDL_PrivateKeyboard(SDL_RELEASED, &keysym);
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186 }
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187 }
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188
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189 /* This is special because we know it will be run in a loop in a separate
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190 thread. Normally this function should loop as long as there are input
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191 states changing, i.e. new events arriving.
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192 */
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193 void BE_PumpEvents(_THIS)
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194 {
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195 BView *view;
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196 BRect bounds;
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197 BPoint point;
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198 uint32 buttons;
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199 const uint32 button_masks[3] = {
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200 B_PRIMARY_MOUSE_BUTTON,
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201 B_TERTIARY_MOUSE_BUTTON,
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202 B_SECONDARY_MOUSE_BUTTON,
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203 };
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204 unsigned int i, j;
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205
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206 /* Check out the mouse buttons and position (slight race condition) */
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207 if ( SDL_Win->Lock() ) {
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208 /* Don't do anything if we have no view */
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209 view = SDL_Win->View();
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210 if ( ! view ) {
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211 SDL_Win->Unlock();
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212 return;
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213 }
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214 bounds = view->Bounds();
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215 /* Get new input state, if still active */
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216 if ( SDL_Win->IsActive() ) {
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217 key_flip = !key_flip;
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218 get_key_info(&keyinfo[key_flip]);
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219 view->GetMouse(&point, &buttons, true);
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220 } else {
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221 key_flip = key_flip;
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222 point = last_point;
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223 buttons = last_buttons;
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224 }
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225 SDL_Win->Unlock();
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226 } else {
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227 return;
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228 }
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229
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230 /* If our view is active, we'll find key changes here */
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231 if ( memcmp(keyinfo[0].key_states, keyinfo[1].key_states, 16) != 0 ) {
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232 for ( i=0; i<16; ++i ) {
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233 Uint8 new_state, transition;
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234
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235 new_state = keyinfo[key_flip].key_states[i];
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236 transition = keyinfo[!key_flip].key_states[i] ^
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diff changeset
237 keyinfo[ key_flip].key_states[i];
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diff changeset
238 for ( j=0; j<8; ++j ) {
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diff changeset
239 if ( transition&0x80 )
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240 QueueKey(i*8+j, new_state&0x80);
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241 transition <<= 1;
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242 new_state <<= 1;
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243 }
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244 }
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diff changeset
245 }
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diff changeset
246
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parents:
diff changeset
247 /* We check keyboard, but not mouse if mouse isn't in window */
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248 if ( ! bounds.Contains(point) ) {
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249 /* Mouse moved outside our view? */
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diff changeset
250 if ( SDL_GetAppState() & SDL_APPMOUSEFOCUS ) {
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251 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
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252 be_app->SetCursor(B_HAND_CURSOR);
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253 }
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diff changeset
254 return;
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parents:
diff changeset
255 }
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diff changeset
256 /* Has the mouse moved back into our view? */
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diff changeset
257 if ( ! (SDL_GetAppState() & SDL_APPMOUSEFOCUS) ) {
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258 /* Reset the B_HAND_CURSOR to our own */
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259 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
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260 SDL_SetCursor(NULL);
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261 }
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diff changeset
262
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parents:
diff changeset
263 /* Check for mouse motion */
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diff changeset
264 if ( point != last_point ) {
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265 SDL_PrivateMouseMotion(0, 0, (int)point.x, (int)point.y);
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266 }
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267 last_point = point;
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268
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diff changeset
269 /* Add any mouse button events */
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diff changeset
270 for ( i=0; i<SDL_TABLESIZE(button_masks); ++i ) {
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271 if ( (buttons ^ last_buttons) & button_masks[i] ) {
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diff changeset
272 if ( buttons & button_masks[i] ) {
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273 SDL_PrivateMouseButton(SDL_PRESSED, 1+i, 0, 0);
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diff changeset
274 } else {
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275 SDL_PrivateMouseButton(SDL_RELEASED, 1+i, 0, 0);
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276 }
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diff changeset
277 }
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diff changeset
278 }
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diff changeset
279 last_buttons = buttons;
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diff changeset
280 }
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diff changeset
281
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diff changeset
282 void BE_InitOSKeymap(_THIS)
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diff changeset
283 {
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parents:
diff changeset
284 unsigned int i;
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diff changeset
285
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parents:
diff changeset
286 /* Initialize all the key states as "up" */
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diff changeset
287 key_flip = 0;
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diff changeset
288 memset(keyinfo[key_flip].key_states, 0, 16);
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diff changeset
289
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diff changeset
290 /* Initialize the BeOS key translation table */
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parents:
diff changeset
291 /* Source: <be/interface/InterfaceDefs.h> and BeOS keyboard info */
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diff changeset
292 for ( i=0; i<SDL_TABLESIZE(keymap); ++i )
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diff changeset
293 keymap[i] = SDLK_UNKNOWN;
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diff changeset
294
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diff changeset
295 keymap[0x01] = SDLK_ESCAPE;
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diff changeset
296 keymap[B_F1_KEY] = SDLK_F1;
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diff changeset
297 keymap[B_F2_KEY] = SDLK_F2;
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diff changeset
298 keymap[B_F3_KEY] = SDLK_F3;
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diff changeset
299 keymap[B_F4_KEY] = SDLK_F4;
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diff changeset
300 keymap[B_F5_KEY] = SDLK_F5;
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diff changeset
301 keymap[B_F6_KEY] = SDLK_F6;
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diff changeset
302 keymap[B_F7_KEY] = SDLK_F7;
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diff changeset
303 keymap[B_F8_KEY] = SDLK_F8;
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diff changeset
304 keymap[B_F9_KEY] = SDLK_F9;
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diff changeset
305 keymap[B_F10_KEY] = SDLK_F10;
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diff changeset
306 keymap[B_F11_KEY] = SDLK_F11;
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diff changeset
307 keymap[B_F12_KEY] = SDLK_F12;
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parents:
diff changeset
308 keymap[B_PRINT_KEY] = SDLK_PRINT;
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diff changeset
309 //keymap[B_SCROLL_KEY] = SDLK_SCROLLOCK;
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diff changeset
310 keymap[B_PAUSE_KEY] = SDLK_PAUSE;
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diff changeset
311 keymap[0x11] = SDLK_BACKQUOTE;
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diff changeset
312 keymap[0x12] = SDLK_1;
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diff changeset
313 keymap[0x13] = SDLK_2;
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diff changeset
314 keymap[0x14] = SDLK_3;
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diff changeset
315 keymap[0x15] = SDLK_4;
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diff changeset
316 keymap[0x16] = SDLK_5;
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diff changeset
317 keymap[0x17] = SDLK_6;
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diff changeset
318 keymap[0x18] = SDLK_7;
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diff changeset
319 keymap[0x19] = SDLK_8;
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diff changeset
320 keymap[0x1a] = SDLK_9;
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diff changeset
321 keymap[0x1b] = SDLK_0;
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diff changeset
322 keymap[0x1c] = SDLK_MINUS;
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diff changeset
323 keymap[0x1d] = SDLK_EQUALS;
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diff changeset
324 keymap[0x1e] = SDLK_BACKSPACE;
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diff changeset
325 keymap[0x1f] = SDLK_INSERT;
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diff changeset
326 keymap[0x20] = SDLK_HOME;
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diff changeset
327 keymap[0x21] = SDLK_PAGEUP;
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parents:
diff changeset
328 //keymap[0x22] = SDLK_NUMLOCK;
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diff changeset
329 keymap[0x23] = SDLK_KP_DIVIDE;
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diff changeset
330 keymap[0x24] = SDLK_KP_MULTIPLY;
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diff changeset
331 keymap[0x25] = SDLK_KP_MINUS;
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parents:
diff changeset
332 keymap[0x26] = SDLK_TAB;
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diff changeset
333 keymap[0x27] = SDLK_q;
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334 keymap[0x28] = SDLK_w;
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335 keymap[0x29] = SDLK_e;
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336 keymap[0x2a] = SDLK_r;
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337 keymap[0x2b] = SDLK_t;
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338 keymap[0x2c] = SDLK_y;
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339 keymap[0x2d] = SDLK_u;
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340 keymap[0x2e] = SDLK_i;
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341 keymap[0x2f] = SDLK_o;
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342 keymap[0x30] = SDLK_p;
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343 keymap[0x31] = SDLK_LEFTBRACKET;
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344 keymap[0x32] = SDLK_RIGHTBRACKET;
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345 keymap[0x33] = SDLK_BACKSLASH;
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346 keymap[0x34] = SDLK_DELETE;
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347 keymap[0x35] = SDLK_END;
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348 keymap[0x36] = SDLK_PAGEDOWN;
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349 keymap[0x37] = SDLK_KP7;
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350 keymap[0x38] = SDLK_KP8;
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351 keymap[0x39] = SDLK_KP9;
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352 keymap[0x3a] = SDLK_KP_PLUS;
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353 //keymap[0x3b] = SDLK_CAPSLOCK;
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354 keymap[0x3c] = SDLK_a;
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355 keymap[0x3d] = SDLK_s;
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356 keymap[0x3e] = SDLK_d;
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357 keymap[0x3f] = SDLK_f;
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358 keymap[0x40] = SDLK_g;
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359 keymap[0x41] = SDLK_h;
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360 keymap[0x42] = SDLK_j;
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361 keymap[0x43] = SDLK_k;
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362 keymap[0x44] = SDLK_l;
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363 keymap[0x45] = SDLK_SEMICOLON;
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364 keymap[0x46] = SDLK_QUOTE;
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365 keymap[0x47] = SDLK_RETURN;
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366 keymap[0x48] = SDLK_KP4;
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367 keymap[0x49] = SDLK_KP5;
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368 keymap[0x4a] = SDLK_KP6;
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369 keymap[0x4b] = SDLK_LSHIFT;
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370 keymap[0x4c] = SDLK_z;
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371 keymap[0x4d] = SDLK_x;
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372 keymap[0x4e] = SDLK_c;
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373 keymap[0x4f] = SDLK_v;
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374 keymap[0x50] = SDLK_b;
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375 keymap[0x51] = SDLK_n;
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376 keymap[0x52] = SDLK_m;
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377 keymap[0x53] = SDLK_COMMA;
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378 keymap[0x54] = SDLK_PERIOD;
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379 keymap[0x55] = SDLK_SLASH;
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380 keymap[0x56] = SDLK_RSHIFT;
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381 keymap[0x57] = SDLK_UP;
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382 keymap[0x58] = SDLK_KP1;
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383 keymap[0x59] = SDLK_KP2;
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384 keymap[0x5a] = SDLK_KP3;
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385 keymap[0x5b] = SDLK_KP_ENTER;
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386 //keymap[0x5c] = SDLK_LCTRL;
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387 //keymap[0x5d] = SDLK_LALT;
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388 keymap[0x5e] = SDLK_SPACE;
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389 //keymap[0x5f] = SDLK_RALT;
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390 //keymap[0x60] = SDLK_RCTRL;
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391 keymap[0x61] = SDLK_LEFT;
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392 keymap[0x62] = SDLK_DOWN;
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393 keymap[0x63] = SDLK_RIGHT;
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394 keymap[0x64] = SDLK_KP0;
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395 keymap[0x65] = SDLK_KP_PERIOD;
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396 //keymap[0x66] = SDLK_LMETA;
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397 //keymap[0x67] = SDLK_RMETA;
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398 //keymap[0x68] = SDLK_MENU;
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399 keymap[0x69] = SDLK_EURO;
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400 keymap[0x6a] = SDLK_KP_EQUALS;
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401 keymap[0x6b] = SDLK_POWER;
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402
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403 /* Get the system keymap and UNICODE table.
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diff changeset
404 Note that this leaks memory since the maps are never freed.
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405 */
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406 get_key_map(&be_keymap, &unicode_map);
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diff changeset
407
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diff changeset
408 /* Set the modifier keys from the system keymap */
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diff changeset
409 keymap[be_keymap->caps_key] = SDLK_CAPSLOCK;
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diff changeset
410 keymap[be_keymap->scroll_key] = SDLK_SCROLLOCK;
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411 keymap[be_keymap->num_key] = SDLK_NUMLOCK;
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412 keymap[be_keymap->left_shift_key] = SDLK_LSHIFT;
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diff changeset
413 keymap[be_keymap->right_shift_key] = SDLK_RSHIFT;
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diff changeset
414 keymap[be_keymap->left_command_key] = SDLK_LALT;
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diff changeset
415 keymap[be_keymap->right_command_key] = SDLK_RALT;
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diff changeset
416 keymap[be_keymap->left_control_key] = SDLK_LCTRL;
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diff changeset
417 keymap[be_keymap->right_control_key] = SDLK_RCTRL;
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418 keymap[be_keymap->left_option_key] = SDLK_LMETA;
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419 keymap[be_keymap->right_option_key] = SDLK_RMETA;
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420 keymap[be_keymap->menu_key] = SDLK_MENU;
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diff changeset
421
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diff changeset
422 /* Set the modifier map pointers */
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diff changeset
423 option_caps_map[0] = be_keymap->option_caps_map;
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diff changeset
424 option_caps_map[1] = be_keymap->option_caps_shift_map;
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diff changeset
425 option_map[0] = be_keymap->option_map;
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diff changeset
426 option_map[1] = be_keymap->option_shift_map;
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diff changeset
427 caps_map[0] = be_keymap->caps_map;
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diff changeset
428 caps_map[1] = be_keymap->caps_shift_map;
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diff changeset
429 normal_map[0] = be_keymap->normal_map;
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diff changeset
430 normal_map[1] = be_keymap->shift_map;
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diff changeset
431 }
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diff changeset
432
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diff changeset
433 }; /* Extern C */