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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 /* |
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25 * GEM SDL video driver implementation |
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26 * inspired from the Dummy SDL driver |
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27 * |
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28 * Patrice Mandin |
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29 * and work from |
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30 * Olivier Landemarre, Johan Klockars, Xavier Joubert, Claude Attard |
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31 */ |
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32 |
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33 #include <gem.h> |
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34 |
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35 #include "../../events/SDL_sysevents.h" |
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36 #include "../../events/SDL_events_c.h" |
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37 #include "SDL_gemvideo.h" |
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38 #include "SDL_gemevents_c.h" |
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39 #include "../ataricommon/SDL_atarikeys.h" /* for keyboard scancodes */ |
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40 #include "../ataricommon/SDL_atarievents_c.h" |
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41 #include "../ataricommon/SDL_xbiosevents_c.h" |
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42 #include "../ataricommon/SDL_ataridevmouse_c.h" |
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43 |
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44 /* Variables */ |
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45 |
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46 static unsigned char gem_currentkeyboard[ATARIBIOS_MAXKEYS]; |
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47 static unsigned char gem_previouskeyboard[ATARIBIOS_MAXKEYS]; |
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48 |
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49 /* Functions prototypes */ |
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50 |
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51 static int do_messages(_THIS, short *message); |
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52 static void do_keyboard(short kc, short ks); |
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53 static void do_mouse(_THIS, short mx, short my, short mb, short ks); |
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54 |
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55 /* Functions */ |
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56 |
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57 void GEM_InitOSKeymap(_THIS) |
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58 { |
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59 SDL_memset(gem_currentkeyboard, 0, sizeof(gem_currentkeyboard)); |
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60 SDL_memset(gem_previouskeyboard, 0, sizeof(gem_previouskeyboard)); |
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61 |
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62 /* Mouse init */ |
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63 GEM_mouse_relative = SDL_FALSE; |
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64 |
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65 SDL_Atari_InitInternalKeymap(this); |
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66 } |
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67 |
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68 void GEM_PumpEvents(_THIS) |
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69 { |
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70 short mousex, mousey, mouseb, dummy; |
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71 short kstate, prevkc, prevks; |
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72 int i; |
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73 SDL_keysym keysym; |
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74 |
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75 SDL_memset(gem_currentkeyboard,0,sizeof(gem_currentkeyboard)); |
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76 prevkc = prevks = 0; |
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77 |
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78 for (;;) |
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79 { |
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80 int quit, resultat, event_mask, mouse_event; |
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81 short buffer[8], kc; |
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82 short x2,y2,w2,h2; |
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83 |
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84 quit = |
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85 mouse_event = |
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86 x2=y2=w2=h2 = 0; |
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87 |
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88 event_mask = MU_MESAG|MU_TIMER|MU_KEYBD; |
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89 if (!GEM_fullscreen && (GEM_handle>=0)) { |
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90 wind_get (GEM_handle, WF_WORKXYWH, &x2, &y2, &w2, &h2); |
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91 event_mask |= MU_M1; |
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92 mouse_event = ( (SDL_GetAppState() & SDL_APPMOUSEFOCUS) |
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93 == SDL_APPMOUSEFOCUS) ? MO_LEAVE : MO_ENTER; |
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94 } |
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95 |
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96 resultat = evnt_multi( |
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97 event_mask, |
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98 0,0,0, |
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99 mouse_event,x2,y2,w2,h2, |
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100 0,0,0,0,0, |
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101 buffer, |
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102 10, |
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103 &dummy,&dummy,&dummy,&kstate,&kc,&dummy |
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104 ); |
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105 |
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106 /* Message event ? */ |
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107 if (resultat & MU_MESAG) |
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108 quit = do_messages(this, buffer); |
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109 |
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110 /* Keyboard event ? */ |
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111 if (resultat & MU_KEYBD) { |
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112 if ((prevkc != kc) || (prevks != kstate)) { |
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113 do_keyboard(kc,kstate); |
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114 } else { |
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115 /* Avoid looping, if repeating same key */ |
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116 break; |
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117 } |
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118 } |
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119 |
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120 /* Mouse entering/leaving window */ |
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121 if (resultat & MU_M1) { |
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122 if (this->input_grab == SDL_GRAB_OFF) { |
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123 /* Switch mouse focus state */ |
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124 SDL_PrivateAppActive((mouse_event == MO_ENTER), |
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125 SDL_APPMOUSEFOCUS); |
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126 } |
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127 GEM_CheckMouseMode(this); |
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128 } |
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129 |
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130 /* Timer event ? */ |
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131 if ((resultat & MU_TIMER) || quit) |
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132 break; |
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133 } |
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134 |
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135 /* Update mouse */ |
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136 graf_mkstate(&mousex, &mousey, &mouseb, &kstate); |
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137 do_mouse(this, mousex, mousey, mouseb, kstate); |
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138 |
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139 /* Now generate keyboard 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 (gem_currentkeyboard[i] && !gem_previouskeyboard[i]) |
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143 SDL_PrivateKeyboard(SDL_PRESSED, |
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144 SDL_Atari_TranslateKey(i, &keysym, SDL_TRUE)); |
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145 |
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146 /* Key unpressed ? */ |
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147 if (gem_previouskeyboard[i] && !gem_currentkeyboard[i]) |
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148 SDL_PrivateKeyboard(SDL_RELEASED, |
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149 SDL_Atari_TranslateKey(i, &keysym, SDL_FALSE)); |
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150 } |
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151 |
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152 SDL_memcpy(gem_previouskeyboard,gem_currentkeyboard,sizeof(gem_previouskeyboard)); |
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153 |
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154 /* Refresh window name ? */ |
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155 if (GEM_refresh_name) { |
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156 const char *window_name = |
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157 (SDL_GetAppState() & SDL_APPACTIVE) |
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158 ? GEM_title_name : GEM_icon_name; |
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159 if (window_name) { |
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160 wind_set(GEM_handle,WF_NAME, |
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161 (short)(((unsigned long)window_name)>>16), |
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162 (short)(((unsigned long)window_name) & 0xffff), |
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163 0,0); |
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164 } |
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165 GEM_refresh_name = SDL_FALSE; |
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166 } |
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167 } |
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168 |
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169 static int do_messages(_THIS, short *message) |
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170 { |
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171 int quit, posted, check_mouse_mode; |
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172 short x2,y2,w2,h2; |
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173 |
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174 quit = check_mouse_mode = 0; |
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175 switch (message[0]) { |
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176 case WM_CLOSED: |
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177 case AP_TERM: |
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178 posted = SDL_PrivateQuit(); |
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179 quit=1; |
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180 break; |
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181 case WM_MOVED: |
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182 wind_set(message[3],WF_CURRXYWH,message[4],message[5],message[6],message[7]); |
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183 break; |
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184 case WM_TOPPED: |
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185 wind_set(message[3],WF_TOP,message[4],0,0,0); |
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186 /* Continue with TOP event processing */ |
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187 case WM_ONTOP: |
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188 SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS); |
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189 if (VDI_setpalette) { |
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190 VDI_setpalette(this, VDI_curpalette); |
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191 } |
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192 check_mouse_mode = 1; |
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193 break; |
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194 case WM_REDRAW: |
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195 if (!GEM_lock_redraw) { |
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196 GEM_wind_redraw(this, message[3],&message[4]); |
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197 } |
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198 break; |
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199 case WM_ICONIFY: |
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200 case WM_ALLICONIFY: |
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201 wind_set(message[3],WF_ICONIFY,message[4],message[5],message[6],message[7]); |
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202 /* If we're active, make ourselves inactive */ |
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203 if ( SDL_GetAppState() & SDL_APPACTIVE ) { |
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204 /* Send an internal deactivate event */ |
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205 SDL_PrivateAppActive(0, SDL_APPACTIVE); |
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206 } |
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207 /* Update window title */ |
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208 if (GEM_refresh_name && GEM_icon_name) { |
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209 wind_set(GEM_handle,WF_NAME,(short)(((unsigned long)GEM_icon_name)>>16),(short)(((unsigned long)GEM_icon_name) & 0xffff),0,0); |
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210 GEM_refresh_name = SDL_FALSE; |
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211 } |
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212 check_mouse_mode = 1; |
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213 break; |
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214 case WM_UNICONIFY: |
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215 wind_set(message[3],WF_UNICONIFY,message[4],message[5],message[6],message[7]); |
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216 /* If we're not active, make ourselves active */ |
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217 if ( !(SDL_GetAppState() & SDL_APPACTIVE) ) { |
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218 /* Send an internal activate event */ |
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219 SDL_PrivateAppActive(1, SDL_APPACTIVE); |
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220 } |
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221 if (GEM_refresh_name && GEM_title_name) { |
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222 wind_set(GEM_handle,WF_NAME,(short)(((unsigned long)GEM_title_name)>>16),(short)(((unsigned long)GEM_title_name) & 0xffff),0,0); |
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223 GEM_refresh_name = SDL_FALSE; |
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224 } |
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225 check_mouse_mode = 1; |
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226 break; |
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227 case WM_SIZED: |
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228 wind_set (message[3], WF_CURRXYWH, message[4], message[5], message[6], message[7]); |
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229 wind_get (message[3], WF_WORKXYWH, &x2, &y2, &w2, &h2); |
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230 GEM_win_fulled = SDL_FALSE; /* Cancel maximized flag */ |
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231 GEM_lock_redraw = SDL_TRUE; /* Prevent redraw till buffers resized */ |
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232 SDL_PrivateResize(w2, h2); |
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233 break; |
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234 case WM_FULLED: |
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235 { |
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236 short x,y,w,h; |
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237 |
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238 if (GEM_win_fulled) { |
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239 wind_get (message[3], WF_PREVXYWH, &x, &y, &w, &h); |
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240 GEM_win_fulled = SDL_FALSE; |
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241 } else { |
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242 x = GEM_desk_x; |
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243 y = GEM_desk_y; |
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244 w = GEM_desk_w; |
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245 h = GEM_desk_h; |
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246 GEM_win_fulled = SDL_TRUE; |
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247 } |
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248 wind_set (message[3], WF_CURRXYWH, x, y, w, h); |
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249 wind_get (message[3], WF_WORKXYWH, &x2, &y2, &w2, &h2); |
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250 GEM_lock_redraw = SDL_TRUE; /* Prevent redraw till buffers resized */ |
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251 SDL_PrivateResize(w2, h2); |
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252 } |
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253 break; |
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254 case WM_BOTTOMED: |
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255 wind_set(message[3],WF_BOTTOM,0,0,0,0); |
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256 /* Continue with BOTTOM event processing */ |
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257 case WM_UNTOPPED: |
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258 SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS); |
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259 if (VDI_setpalette) { |
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260 VDI_setpalette(this, VDI_oldpalette); |
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261 } |
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262 check_mouse_mode = 1; |
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263 break; |
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264 } |
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265 |
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266 if (check_mouse_mode) { |
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267 GEM_CheckMouseMode(this); |
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268 } |
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269 |
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270 return quit; |
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271 } |
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272 |
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273 static void do_keyboard(short kc, short ks) |
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274 { |
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275 int scancode; |
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276 |
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277 if (kc) { |
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278 scancode=(kc>>8) & (ATARIBIOS_MAXKEYS-1); |
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279 gem_currentkeyboard[scancode]=0xFF; |
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280 } |
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281 |
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282 /* Read special keys */ |
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283 if (ks & K_RSHIFT) |
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284 gem_currentkeyboard[SCANCODE_RIGHTSHIFT]=0xFF; |
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285 if (ks & K_LSHIFT) |
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286 gem_currentkeyboard[SCANCODE_LEFTSHIFT]=0xFF; |
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287 if (ks & K_CTRL) |
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288 gem_currentkeyboard[SCANCODE_LEFTCONTROL]=0xFF; |
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289 if (ks & K_ALT) |
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290 gem_currentkeyboard[SCANCODE_LEFTALT]=0xFF; |
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291 } |
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292 |
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293 static void do_mouse(_THIS, short mx, short my, short mb, short ks) |
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294 { |
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295 static short prevmousex=0, prevmousey=0, prevmouseb=0; |
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296 short x2, y2, w2, h2; |
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297 |
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298 /* Don't return mouse events if out of window */ |
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299 if ((SDL_GetAppState() & SDL_APPMOUSEFOCUS)==0) { |
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300 return; |
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301 } |
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302 |
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303 /* Retrieve window coords, and generate mouse events accordingly */ |
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304 x2 = y2 = 0; |
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305 w2 = VDI_w; |
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306 h2 = VDI_h; |
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307 if ((!GEM_fullscreen) && (GEM_handle>=0)) { |
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308 wind_get (GEM_handle, WF_WORKXYWH, &x2, &y2, &w2, &h2); |
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309 |
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310 /* Do not generate mouse button event if out of window working area */ |
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311 if ((mx<x2) || (mx>=x2+w2) || (my<y2) || (my>=y2+h2)) { |
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312 mb=prevmouseb; |
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313 } |
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314 } |
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315 |
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316 /* Mouse motion ? */ |
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317 if (GEM_mouse_relative) { |
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318 if (GEM_usedevmouse) { |
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319 SDL_AtariDevMouse_PostMouseEvents(this, SDL_FALSE); |
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320 } else { |
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321 SDL_AtariXbios_PostMouseEvents(this, SDL_FALSE); |
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322 } |
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323 } else { |
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324 if ((prevmousex!=mx) || (prevmousey!=my)) { |
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325 int posx, posy; |
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326 |
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327 /* Give mouse position relative to window position */ |
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328 posx = mx - x2; |
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329 if (posx<0) posx = 0; |
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330 if (posx>w2) posx = w2-1; |
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331 posy = my - y2; |
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332 if (posy<0) posy = 0; |
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333 if (posy>h2) posy = h2-1; |
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334 |
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335 SDL_PrivateMouseMotion(0, 0, posx, posy); |
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336 } |
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337 prevmousex = mx; |
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338 prevmousey = my; |
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339 } |
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340 |
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341 /* Mouse button ? */ |
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342 if (prevmouseb!=mb) { |
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343 int i; |
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344 |
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345 for (i=0;i<2;i++) { |
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346 int curbutton, prevbutton; |
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347 |
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348 curbutton = mb & (1<<i); |
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349 prevbutton = prevmouseb & (1<<i); |
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350 |
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351 if (curbutton && !prevbutton) { |
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352 SDL_PrivateMouseButton(SDL_PRESSED, i+1, 0, 0); |
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353 } |
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354 if (!curbutton && prevbutton) { |
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355 SDL_PrivateMouseButton(SDL_RELEASED, i+1, 0, 0); |
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356 } |
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357 } |
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358 prevmouseb = mb; |
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359 } |
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360 |
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361 /* Read special keys */ |
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362 if (ks & K_RSHIFT) |
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363 gem_currentkeyboard[SCANCODE_RIGHTSHIFT]=0xFF; |
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364 if (ks & K_LSHIFT) |
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365 gem_currentkeyboard[SCANCODE_LEFTSHIFT]=0xFF; |
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366 if (ks & K_CTRL) |
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367 gem_currentkeyboard[SCANCODE_LEFTCONTROL]=0xFF; |
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368 if (ks & K_ALT) |
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369 gem_currentkeyboard[SCANCODE_LEFTALT]=0xFF; |
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370 } |