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