Mercurial > sdl-ios-xcode
annotate src/video/ataricommon/SDL_gemdosevents.c @ 878:c7ca0f3cbca2
Argh...
author | Sam Lantinga <slouken@libsdl.org> |
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date | Thu, 08 Apr 2004 21:06:10 +0000 |
parents | b8d311d90021 |
children | a55ac374271c |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2004 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@libsdl.org |
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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 /* |
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29 * Atari keyboard events manager, using Gemdos |
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30 * |
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31 * Patrice Mandin |
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32 */ |
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33 |
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34 #include <string.h> |
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35 |
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36 /* Mint includes */ |
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37 #include <mint/osbind.h> |
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38 |
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39 #include "SDL.h" |
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40 #include "SDL_sysevents.h" |
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41 #include "SDL_events_c.h" |
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42 |
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43 #include "SDL_atarikeys.h" |
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44 #include "SDL_xbiosevents_c.h" |
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45 |
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46 /* To save state of keyboard */ |
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47 #define ATARIBIOS_MAXKEYS 128 |
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48 |
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49 static unsigned char gemdos_currentkeyboard[ATARIBIOS_MAXKEYS]; |
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50 static unsigned char gemdos_previouskeyboard[ATARIBIOS_MAXKEYS]; |
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51 static unsigned char gemdos_currentascii[ATARIBIOS_MAXKEYS]; |
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52 |
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53 /* Special keys state */ |
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54 enum { |
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55 K_RSHIFT=0, |
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56 K_LSHIFT, |
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57 K_CTRL, |
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58 K_ALT, |
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59 K_CAPSLOCK, |
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60 K_CLRHOME, |
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61 K_INSERT |
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62 }; |
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63 |
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64 enum { |
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65 DEV_BUSY=0, |
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66 DEV_READY |
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67 }; |
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68 |
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69 /* The translation tables from a console scancode to a SDL keysym */ |
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70 static SDLKey keymap[ATARIBIOS_MAXKEYS]; |
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71 |
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72 static SDL_keysym *TranslateKey(int scancode, int asciicode, SDL_keysym *keysym); |
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73 static void UpdateSpecialKeys(int special_keys_state); |
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74 |
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75 void AtariGemdos_InitOSKeymap(_THIS) |
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76 { |
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77 int i; |
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78 |
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79 memset(gemdos_currentkeyboard, 0, sizeof(gemdos_currentkeyboard)); |
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80 memset(gemdos_previouskeyboard, 0, sizeof(gemdos_previouskeyboard)); |
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81 |
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82 /* Initialize keymap */ |
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83 for ( i=0; i<sizeof(keymap); i++ ) |
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84 keymap[i] = SDLK_UNKNOWN; |
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85 |
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86 /* Functions keys */ |
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87 for ( i = 0; i<10; i++ ) |
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88 keymap[SCANCODE_F1 + i] = SDLK_F1+i; |
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89 |
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90 /* Cursor keypad */ |
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91 keymap[SCANCODE_HELP] = SDLK_HELP; |
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92 keymap[SCANCODE_UNDO] = SDLK_UNDO; |
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93 keymap[SCANCODE_INSERT] = SDLK_INSERT; |
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94 keymap[SCANCODE_CLRHOME] = SDLK_HOME; |
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95 keymap[SCANCODE_UP] = SDLK_UP; |
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96 keymap[SCANCODE_DOWN] = SDLK_DOWN; |
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97 keymap[SCANCODE_RIGHT] = SDLK_RIGHT; |
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98 keymap[SCANCODE_LEFT] = SDLK_LEFT; |
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99 |
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100 /* Special keys */ |
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101 keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE; |
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102 keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE; |
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103 keymap[SCANCODE_TAB] = SDLK_TAB; |
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104 keymap[SCANCODE_ENTER] = SDLK_RETURN; |
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105 keymap[SCANCODE_DELETE] = SDLK_DELETE; |
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106 keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL; |
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107 keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT; |
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108 keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT; |
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109 keymap[SCANCODE_LEFTALT] = SDLK_LALT; |
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110 keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK; |
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111 |
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112 SDL_AtariXbios_InstallVectors(ATARI_XBIOS_MOUSEEVENTS|ATARI_XBIOS_JOYSTICKEVENTS); |
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113 } |
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114 |
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115 void AtariGemdos_PumpEvents(_THIS) |
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116 { |
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117 int i; |
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118 SDL_keysym keysym; |
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119 |
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120 /* Update pressed keys */ |
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121 memset(gemdos_currentkeyboard, 0, ATARIBIOS_MAXKEYS); |
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122 |
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123 while (Cconis()!=DEV_BUSY) { |
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124 unsigned long key_pressed; |
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125 unsigned char scancode, asciicode; |
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126 |
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127 key_pressed=Cnecin(); |
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128 |
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129 asciicode = key_pressed; |
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130 scancode = key_pressed >> 16; |
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131 |
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132 gemdos_currentkeyboard[scancode]=0xFF; |
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133 gemdos_currentascii[scancode]=asciicode; |
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134 } |
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135 |
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136 /* Read special keys */ |
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137 UpdateSpecialKeys(Kbshift(-1)); |
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138 |
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139 /* Now generate events */ |
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140 for (i=0; i<ATARIBIOS_MAXKEYS; i++) { |
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141 /* Key pressed ? */ |
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142 if (gemdos_currentkeyboard[i] && !gemdos_previouskeyboard[i]) |
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143 SDL_PrivateKeyboard(SDL_PRESSED, TranslateKey(i, gemdos_currentascii[i], &keysym)); |
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144 |
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145 /* Key unpressed ? */ |
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146 if (gemdos_previouskeyboard[i] && !gemdos_currentkeyboard[i]) |
284
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147 SDL_PrivateKeyboard(SDL_RELEASED, TranslateKey(i, gemdos_currentascii[i], &keysym)); |
281
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148 } |
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149 |
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150 SDL_AtariXbios_PostMouseEvents(this); |
281
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151 |
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152 /* Will be previous table */ |
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153 memcpy(gemdos_previouskeyboard, gemdos_currentkeyboard, ATARIBIOS_MAXKEYS); |
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154 } |
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155 |
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156 static void UpdateSpecialKeys(int special_keys_state) |
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157 { |
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158 #define UPDATE_SPECIAL_KEYS(numbit,scancode) \ |
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159 { \ |
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160 if (special_keys_state & (1<<(numbit))) { \ |
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161 gemdos_currentkeyboard[scancode]=0xFF; \ |
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162 gemdos_currentascii[scancode]=0; \ |
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163 } \ |
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164 } |
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165 |
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166 UPDATE_SPECIAL_KEYS(K_RSHIFT, SCANCODE_RIGHTSHIFT); |
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167 UPDATE_SPECIAL_KEYS(K_LSHIFT, SCANCODE_LEFTSHIFT); |
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168 UPDATE_SPECIAL_KEYS(K_CTRL, SCANCODE_LEFTCONTROL); |
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169 UPDATE_SPECIAL_KEYS(K_ALT, SCANCODE_LEFTALT); |
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170 UPDATE_SPECIAL_KEYS(K_CAPSLOCK, SCANCODE_CAPSLOCK); |
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171 } |
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172 |
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173 static SDL_keysym *TranslateKey(int scancode, int asciicode, SDL_keysym *keysym) |
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174 { |
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175 /* Set the keysym information */ |
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176 keysym->scancode = scancode; |
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177 |
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178 if (asciicode) |
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179 keysym->sym = asciicode; |
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180 else |
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181 keysym->sym = keymap[scancode]; |
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182 |
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183 keysym->mod = KMOD_NONE; |
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184 keysym->unicode = 0; |
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185 |
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186 return(keysym); |
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187 } |
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188 |
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189 void AtariGemdos_ShutdownEvents(void) |
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190 { |
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191 SDL_AtariXbios_RestoreVectors(); |
281
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192 } |