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