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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 <stdlib.h>
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29 #include <stdio.h>
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30 #include <windows.h>
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31
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32 #include "SDL_events.h"
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33 #include "SDL_error.h"
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34 #include "SDL_syswm.h"
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35 #include "SDL_sysevents.h"
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36 #include "SDL_events_c.h"
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37 #include "SDL_lowvideo.h"
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38 #include "SDL_dibvideo.h"
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39 #include "SDL_vkeys.h"
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40
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41 #ifndef WM_APP
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42 #define WM_APP 0x8000
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43 #endif
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44
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45 #ifdef _WIN32_WCE
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46 #define NO_GETKEYBOARDSTATE
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47 #endif
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48
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49 /* The translation table from a Microsoft VK keysym to a SDL keysym */
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50 static SDLKey VK_keymap[SDLK_LAST];
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51 static SDL_keysym *TranslateKey(UINT vkey, UINT scancode, SDL_keysym *keysym, int pressed);
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52
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53 /* Masks for processing the windows KEYDOWN and KEYUP messages */
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54 #define REPEATED_KEYMASK (1<<30)
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55 #define EXTENDED_KEYMASK (1<<24)
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56
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57 /* The main Win32 event handler */
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58 LONG
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59 DIB_HandleMessage(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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60 {
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61 extern int posted;
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62
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63 switch (msg) {
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64 case WM_SYSKEYDOWN:
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65 case WM_KEYDOWN: {
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66 SDL_keysym keysym;
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67
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68 /* Ignore repeated keys */
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69 if ( lParam&REPEATED_KEYMASK ) {
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70 return(0);
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71 }
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72 switch (wParam) {
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73 case VK_CONTROL:
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74 if ( lParam&EXTENDED_KEYMASK )
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75 wParam = VK_RCONTROL;
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76 else
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77 wParam = VK_LCONTROL;
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78 break;
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79 case VK_SHIFT:
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80 /* EXTENDED trick doesn't work here */
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81 wParam = VK_LSHIFT;
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82 break;
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83 case VK_MENU:
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84 if ( lParam&EXTENDED_KEYMASK )
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85 wParam = VK_RMENU;
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86 else
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87 wParam = VK_LMENU;
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88 break;
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89 }
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90 posted = SDL_PrivateKeyboard(SDL_PRESSED,
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91 TranslateKey(wParam,HIWORD(lParam),&keysym,1));
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92 }
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93 return(0);
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94
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95 case WM_SYSKEYUP:
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96 case WM_KEYUP: {
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97 SDL_keysym keysym;
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98
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99 switch (wParam) {
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100 case VK_CONTROL:
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101 if ( lParam&EXTENDED_KEYMASK )
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102 wParam = VK_RCONTROL;
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103 else
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104 wParam = VK_LCONTROL;
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105 break;
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106 case VK_SHIFT:
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107 /* EXTENDED trick doesn't work here */
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108 wParam = VK_LSHIFT;
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109 break;
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110 case VK_MENU:
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111 if ( lParam&EXTENDED_KEYMASK )
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112 wParam = VK_RMENU;
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113 else
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114 wParam = VK_LMENU;
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115 break;
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116 }
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117 posted = SDL_PrivateKeyboard(SDL_RELEASED,
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118 TranslateKey(wParam,HIWORD(lParam),&keysym,0));
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119 }
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120 return(0);
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121
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122 default: {
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123 /* Only post the event if we're watching for it */
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124 if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) {
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125 SDL_SysWMmsg wmmsg;
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126
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127 SDL_VERSION(&wmmsg.version);
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128 wmmsg.hwnd = hwnd;
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129 wmmsg.msg = msg;
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130 wmmsg.wParam = wParam;
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131 wmmsg.lParam = lParam;
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132 posted = SDL_PrivateSysWMEvent(&wmmsg);
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133 }
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134 }
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135 break;
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136 }
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137 return(DefWindowProc(hwnd, msg, wParam, lParam));
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138 }
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139
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140 void DIB_PumpEvents(_THIS)
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141 {
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142 MSG msg;
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143
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144 while ( PeekMessage(&msg, NULL, 0, (WM_APP-1), PM_NOREMOVE) ) {
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145 if ( GetMessage(&msg, NULL, 0, (WM_APP-1)) > 0 ) {
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146 DispatchMessage(&msg);
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147 }
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148 }
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149 }
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150
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151 void DIB_InitOSKeymap(_THIS)
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152 {
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153 int i;
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154
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155 /* Map the VK keysyms */
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156 for ( i=0; i<SDL_TABLESIZE(VK_keymap); ++i )
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157 VK_keymap[i] = SDLK_UNKNOWN;
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158
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159 VK_keymap[VK_BACK] = SDLK_BACKSPACE;
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160 VK_keymap[VK_TAB] = SDLK_TAB;
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161 VK_keymap[VK_CLEAR] = SDLK_CLEAR;
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162 VK_keymap[VK_RETURN] = SDLK_RETURN;
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163 VK_keymap[VK_PAUSE] = SDLK_PAUSE;
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164 VK_keymap[VK_ESCAPE] = SDLK_ESCAPE;
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165 VK_keymap[VK_SPACE] = SDLK_SPACE;
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166 VK_keymap[VK_APOSTROPHE] = SDLK_QUOTE;
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167 VK_keymap[VK_COMMA] = SDLK_COMMA;
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168 VK_keymap[VK_MINUS] = SDLK_MINUS;
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169 VK_keymap[VK_PERIOD] = SDLK_PERIOD;
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170 VK_keymap[VK_SLASH] = SDLK_SLASH;
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171 VK_keymap[VK_0] = SDLK_0;
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172 VK_keymap[VK_1] = SDLK_1;
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173 VK_keymap[VK_2] = SDLK_2;
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174 VK_keymap[VK_3] = SDLK_3;
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175 VK_keymap[VK_4] = SDLK_4;
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176 VK_keymap[VK_5] = SDLK_5;
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177 VK_keymap[VK_6] = SDLK_6;
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178 VK_keymap[VK_7] = SDLK_7;
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179 VK_keymap[VK_8] = SDLK_8;
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180 VK_keymap[VK_9] = SDLK_9;
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181 VK_keymap[VK_SEMICOLON] = SDLK_SEMICOLON;
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182 VK_keymap[VK_EQUALS] = SDLK_EQUALS;
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183 VK_keymap[VK_LBRACKET] = SDLK_LEFTBRACKET;
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184 VK_keymap[VK_BACKSLASH] = SDLK_BACKSLASH;
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185 VK_keymap[VK_RBRACKET] = SDLK_RIGHTBRACKET;
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186 VK_keymap[VK_GRAVE] = SDLK_BACKQUOTE;
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187 VK_keymap[VK_A] = SDLK_a;
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188 VK_keymap[VK_B] = SDLK_b;
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189 VK_keymap[VK_C] = SDLK_c;
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190 VK_keymap[VK_D] = SDLK_d;
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191 VK_keymap[VK_E] = SDLK_e;
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192 VK_keymap[VK_F] = SDLK_f;
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193 VK_keymap[VK_G] = SDLK_g;
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194 VK_keymap[VK_H] = SDLK_h;
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195 VK_keymap[VK_I] = SDLK_i;
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196 VK_keymap[VK_J] = SDLK_j;
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197 VK_keymap[VK_K] = SDLK_k;
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198 VK_keymap[VK_L] = SDLK_l;
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199 VK_keymap[VK_M] = SDLK_m;
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200 VK_keymap[VK_N] = SDLK_n;
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201 VK_keymap[VK_O] = SDLK_o;
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202 VK_keymap[VK_P] = SDLK_p;
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203 VK_keymap[VK_Q] = SDLK_q;
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204 VK_keymap[VK_R] = SDLK_r;
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205 VK_keymap[VK_S] = SDLK_s;
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206 VK_keymap[VK_T] = SDLK_t;
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207 VK_keymap[VK_U] = SDLK_u;
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208 VK_keymap[VK_V] = SDLK_v;
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209 VK_keymap[VK_W] = SDLK_w;
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210 VK_keymap[VK_X] = SDLK_x;
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211 VK_keymap[VK_Y] = SDLK_y;
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212 VK_keymap[VK_Z] = SDLK_z;
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213 VK_keymap[VK_DELETE] = SDLK_DELETE;
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214
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215 VK_keymap[VK_NUMPAD0] = SDLK_KP0;
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216 VK_keymap[VK_NUMPAD1] = SDLK_KP1;
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217 VK_keymap[VK_NUMPAD2] = SDLK_KP2;
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218 VK_keymap[VK_NUMPAD3] = SDLK_KP3;
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219 VK_keymap[VK_NUMPAD4] = SDLK_KP4;
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220 VK_keymap[VK_NUMPAD5] = SDLK_KP5;
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221 VK_keymap[VK_NUMPAD6] = SDLK_KP6;
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222 VK_keymap[VK_NUMPAD7] = SDLK_KP7;
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223 VK_keymap[VK_NUMPAD8] = SDLK_KP8;
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224 VK_keymap[VK_NUMPAD9] = SDLK_KP9;
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225 VK_keymap[VK_DECIMAL] = SDLK_KP_PERIOD;
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226 VK_keymap[VK_DIVIDE] = SDLK_KP_DIVIDE;
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227 VK_keymap[VK_MULTIPLY] = SDLK_KP_MULTIPLY;
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228 VK_keymap[VK_SUBTRACT] = SDLK_KP_MINUS;
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229 VK_keymap[VK_ADD] = SDLK_KP_PLUS;
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230
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231 VK_keymap[VK_UP] = SDLK_UP;
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232 VK_keymap[VK_DOWN] = SDLK_DOWN;
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233 VK_keymap[VK_RIGHT] = SDLK_RIGHT;
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234 VK_keymap[VK_LEFT] = SDLK_LEFT;
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235 VK_keymap[VK_INSERT] = SDLK_INSERT;
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236 VK_keymap[VK_HOME] = SDLK_HOME;
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237 VK_keymap[VK_END] = SDLK_END;
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238 VK_keymap[VK_PRIOR] = SDLK_PAGEUP;
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239 VK_keymap[VK_NEXT] = SDLK_PAGEDOWN;
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240
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241 VK_keymap[VK_F1] = SDLK_F1;
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242 VK_keymap[VK_F2] = SDLK_F2;
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243 VK_keymap[VK_F3] = SDLK_F3;
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244 VK_keymap[VK_F4] = SDLK_F4;
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245 VK_keymap[VK_F5] = SDLK_F5;
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246 VK_keymap[VK_F6] = SDLK_F6;
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247 VK_keymap[VK_F7] = SDLK_F7;
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248 VK_keymap[VK_F8] = SDLK_F8;
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249 VK_keymap[VK_F9] = SDLK_F9;
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250 VK_keymap[VK_F10] = SDLK_F10;
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251 VK_keymap[VK_F11] = SDLK_F11;
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252 VK_keymap[VK_F12] = SDLK_F12;
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253 VK_keymap[VK_F13] = SDLK_F13;
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254 VK_keymap[VK_F14] = SDLK_F14;
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255 VK_keymap[VK_F15] = SDLK_F15;
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256
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257 VK_keymap[VK_NUMLOCK] = SDLK_NUMLOCK;
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258 VK_keymap[VK_CAPITAL] = SDLK_CAPSLOCK;
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259 VK_keymap[VK_SCROLL] = SDLK_SCROLLOCK;
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260 VK_keymap[VK_RSHIFT] = SDLK_RSHIFT;
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261 VK_keymap[VK_LSHIFT] = SDLK_LSHIFT;
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262 VK_keymap[VK_RCONTROL] = SDLK_RCTRL;
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263 VK_keymap[VK_LCONTROL] = SDLK_LCTRL;
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264 VK_keymap[VK_RMENU] = SDLK_RALT;
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265 VK_keymap[VK_LMENU] = SDLK_LALT;
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266 VK_keymap[VK_RWIN] = SDLK_RSUPER;
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267 VK_keymap[VK_LWIN] = SDLK_LSUPER;
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268
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269 VK_keymap[VK_HELP] = SDLK_HELP;
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270 #ifdef VK_PRINT
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271 VK_keymap[VK_PRINT] = SDLK_PRINT;
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272 #endif
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273 VK_keymap[VK_SNAPSHOT] = SDLK_PRINT;
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274 VK_keymap[VK_CANCEL] = SDLK_BREAK;
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275 VK_keymap[VK_APPS] = SDLK_MENU;
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276 }
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277
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278 static SDL_keysym *TranslateKey(UINT vkey, UINT scancode, SDL_keysym *keysym, int pressed)
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279 {
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280 /* Set the keysym information */
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281 keysym->scancode = (unsigned char) scancode;
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282 keysym->sym = VK_keymap[vkey];
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283 keysym->mod = KMOD_NONE;
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284 keysym->unicode = 0;
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285 if ( pressed && SDL_TranslateUNICODE ) { /* Someday use ToUnicode() */
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286 #ifdef NO_GETKEYBOARDSTATE
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287 /* Uh oh, better hope the vkey is close enough.. */
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288 keysym->unicode = vkey;
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289 #else
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290 BYTE keystate[256];
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291 BYTE chars[2];
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292
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293 GetKeyboardState(keystate);
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294 if ( ToAscii(vkey,scancode,keystate,(WORD *)chars,0) == 1 ) {
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295 keysym->unicode = chars[0];
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296 }
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297 #endif /* NO_GETKEYBOARDSTATE */
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298 }
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299 return(keysym);
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300 }
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301
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302 int DIB_CreateWindow(_THIS)
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303 {
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304 #ifdef _WIN32_WCE
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305 /* WinCE uses the UNICODE version */
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306 int nLen = strlen(SDL_Appname);
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307 LPWSTR lpszW = alloca((nLen+1)*2);
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308 MultiByteToWideChar(CP_ACP, 0, SDL_Appname, -1, lpszW, nLen);
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309
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310 SDL_RegisterApp("SDL_app", 0, 0);
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311 SDL_Window = CreateWindow(lpszW, lpszW,
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312 (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX),
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313 0, 0, 0, 0, NULL, NULL, SDL_Instance, NULL);
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314 if ( SDL_Window == NULL ) {
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315 SDL_SetError("Couldn't create window");
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316 return(-1);
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317 }
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318 ShowWindow(SDL_Window, SW_HIDE);
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319 #else
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320 SDL_RegisterApp("SDL_app", CS_BYTEALIGNCLIENT, 0);
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321 if ( SDL_windowid ) {
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322 SDL_Window = (HWND)strtol(SDL_windowid, NULL, 0);
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323 } else {
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324 SDL_Window = CreateWindow(SDL_Appname, SDL_Appname,
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325 (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX),
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326 0, 0, 0, 0, NULL, NULL, SDL_Instance, NULL);
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327 if ( SDL_Window == NULL ) {
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328 SDL_SetError("Couldn't create window");
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329 return(-1);
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330 }
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331 ShowWindow(SDL_Window, SW_HIDE);
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332 }
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333 #endif /* _WIN32_WCE */
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334
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335 return(0);
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336 }
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337
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338 void DIB_DestroyWindow(_THIS)
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339 {
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340 if ( SDL_windowid == NULL ) {
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341 DestroyWindow(SDL_Window);
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342 }
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343 }
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