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annotate src/video/aalib/SDL_aaevents.c @ 1907:06c27a737b7a

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Streamlined the API a bit and optimized the software renderer.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 15 Jul 2006 09:46:36 +0000
parents c121d94672cb
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) 1997-2006 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 /* Handle the event stream, converting AA events into SDL events */
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25
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26 #include <stdio.h>
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27
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28 #include <aalib.h>
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29
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30 #include "SDL.h"
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31 #include "../../events/SDL_sysevents.h"
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32 #include "../../events/SDL_events_c.h"
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33 #include "SDL_aavideo.h"
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34 #include "SDL_aaevents_c.h"
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35
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36 /* The translation tables from a console scancode to a SDL keysym */
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37 static SDLKey keymap[401];
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38
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39 static SDL_keysym *TranslateKey(int scancode, SDL_keysym * keysym);
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40
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41
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42 void
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43 AA_PumpEvents(_THIS)
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44 {
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45 int posted = 0;
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46 int mouse_button, mouse_x, mouse_y;
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47 int evt;
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48 SDL_keysym keysym;
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49
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50 static int prev_button = -1, prev_x = -1, prev_y = -1;
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51
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52 if (!this->screen) /* Wait till we got the screen initialized */
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53 return;
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54
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55 do {
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56 posted = 0;
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57 /* Gather events */
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58
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59 /* Get mouse status */
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60 SDL_mutexP(AA_mutex);
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61 aa_getmouse(AA_context, &mouse_x, &mouse_y, &mouse_button);
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62 SDL_mutexV(AA_mutex);
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63 mouse_x = mouse_x * this->screen->w / aa_scrwidth(AA_context);
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64 mouse_y = mouse_y * this->screen->h / aa_scrheight(AA_context);
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65
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66 /* Compare against previous state and generate events */
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67 if (prev_button != mouse_button) {
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68 if (mouse_button & AA_BUTTON1) {
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69 if (!(prev_button & AA_BUTTON1)) {
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70 posted += SDL_PrivateMouseButton(SDL_PRESSED, 1, 0, 0);
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71 }
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72 } else {
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73 if (prev_button & AA_BUTTON1) {
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74 posted += SDL_PrivateMouseButton(SDL_RELEASED, 1, 0, 0);
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75 }
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76 }
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77 if (mouse_button & AA_BUTTON2) {
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78 if (!(prev_button & AA_BUTTON2)) {
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79 posted += SDL_PrivateMouseButton(SDL_PRESSED, 2, 0, 0);
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80 }
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81 } else {
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82 if (prev_button & AA_BUTTON2) {
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83 posted += SDL_PrivateMouseButton(SDL_RELEASED, 2, 0, 0);
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84 }
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85 }
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86 if (mouse_button & AA_BUTTON3) {
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87 if (!(prev_button & AA_BUTTON3)) {
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88 posted += SDL_PrivateMouseButton(SDL_PRESSED, 3, 0, 0);
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89 }
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90 } else {
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91 if (prev_button & AA_BUTTON3) {
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92 posted += SDL_PrivateMouseButton(SDL_RELEASED, 3, 0, 0);
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93 }
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94 }
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95 }
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96 if (prev_x != mouse_x || prev_y != mouse_y) {
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97 posted += SDL_PrivateMouseMotion(0, 0, mouse_x, mouse_y);
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98 }
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99
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100 prev_button = mouse_button;
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101 prev_x = mouse_x;
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102 prev_y = mouse_y;
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103
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104 /* Get keyboard event */
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105 SDL_mutexP(AA_mutex);
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106 evt = aa_getevent(AA_context, 0);
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107 SDL_mutexV(AA_mutex);
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108 if ((evt > AA_NONE) && (evt < AA_RELEASE) && (evt != AA_MOUSE)
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109 && (evt != AA_RESIZE)) {
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110 /* Key pressed */
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111 /* printf("Key pressed: %d (%c)\n", evt, evt); */
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112 posted +=
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113 SDL_PrivateKeyboard(SDL_PRESSED, TranslateKey(evt, &keysym));
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114 } else if (evt >= AA_RELEASE) {
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115 /* Key released */
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116 evt &= ~AA_RELEASE;
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117 /* printf("Key released: %d (%c)\n", evt, evt); */
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118 posted +=
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119 SDL_PrivateKeyboard(SDL_RELEASED, TranslateKey(evt, &keysym));
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120 }
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121 }
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122 while (posted);
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123 }
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124
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125 void
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126 AA_InitOSKeymap(_THIS)
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127 {
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128 int i;
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129 static const char *std_keys =
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130 " 01234567890&#'()_-|$*+-=/\\:;.,!?<>{}[]@~%^\x9";
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131 const char *std;
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132
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133 /* Initialize the AAlib key translation table */
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134 for (i = 0; i < SDL_arraysize(keymap); ++i)
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135 keymap[i] = SDLK_UNKNOWN;
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136
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137 /* Alphabet keys */
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138 for (i = 0; i < 26; ++i) {
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139 keymap['a' + i] = SDLK_a + i;
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140 keymap['A' + i] = SDLK_a + i;
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141 }
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142 /* Function keys */
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143 for (i = 0; i < 12; ++i) {
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144 keymap[334 + i] = SDLK_F1 + i;
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145 }
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146 /* Keys that have the same symbols and don't have to be translated */
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147 for (std = std_keys; *std; std++) {
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148 keymap[*std] = *std;
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149 }
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150
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151 keymap[13] = SDLK_RETURN;
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152 keymap[AA_BACKSPACE] = SDLK_BACKSPACE;
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153
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154 keymap[369] = SDLK_LSHIFT;
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155 keymap[370] = SDLK_RSHIFT;
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156 keymap[371] = SDLK_LCTRL;
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157 keymap[372] = SDLK_RCTRL;
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158 keymap[377] = SDLK_LALT;
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159 keymap[270] = SDLK_RALT;
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160 keymap[271] = SDLK_NUMLOCK;
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161 keymap[373] = SDLK_CAPSLOCK;
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162 keymap[164] = SDLK_SCROLLOCK;
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163
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164 keymap[243] = SDLK_INSERT;
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165 keymap[304] = SDLK_DELETE;
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166 keymap[224] = SDLK_HOME;
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167 keymap[231] = SDLK_END;
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168 keymap[229] = SDLK_PAGEUP;
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169 keymap[230] = SDLK_PAGEDOWN;
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170
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171 keymap[241] = SDLK_PRINT;
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172 keymap[163] = SDLK_BREAK;
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173
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174 keymap[302] = SDLK_KP0;
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175 keymap[300] = SDLK_KP1;
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176 keymap[297] = SDLK_KP2;
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177 keymap[299] = SDLK_KP3;
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178 keymap[294] = SDLK_KP4;
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179 keymap[301] = SDLK_KP5;
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180 keymap[296] = SDLK_KP6;
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181 keymap[293] = SDLK_KP7;
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182 keymap[295] = SDLK_KP8;
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183 keymap[298] = SDLK_KP9;
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184
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185 keymap[AA_ESC] = SDLK_ESCAPE;
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186 keymap[AA_UP] = SDLK_UP;
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187 keymap[AA_DOWN] = SDLK_DOWN;
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188 keymap[AA_LEFT] = SDLK_LEFT;
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189 keymap[AA_RIGHT] = SDLK_RIGHT;
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190 }
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191
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192 static SDL_keysym *
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193 TranslateKey(int scancode, SDL_keysym * keysym)
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194 {
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195 /* Sanity check */
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196 if (scancode >= SDL_arraysize(keymap))
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197 scancode = AA_UNKNOWN;
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198
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199 /* Set the keysym information */
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200 keysym->scancode = scancode;
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201 keysym->sym = keymap[scancode];
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202 keysym->mod = KMOD_NONE;
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203
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204 /* If UNICODE is on, get the UNICODE value for the key */
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205 keysym->unicode = 0;
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206 if (SDL_TranslateUNICODE) {
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207 /* Populate the unicode field with the ASCII value */
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208 keysym->unicode = scancode;
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209 }
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210 return (keysym);
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211 }
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212
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213 /* vi: set ts=4 sw=4 expandtab: */