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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 /* Utilities for getting and setting the X display mode */
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29
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30 /*
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31 #include <stdlib.h>
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32 #include <string.h>
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33 */
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34
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35 #include "SDL_timer.h"
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36 #include "SDL_error.h"
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37 #include "SDL_events.h"
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38 #include "SDL_events_c.h"
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39 #include "SDL_cgxvideo.h"
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40 #include "SDL_cgxwm_c.h"
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41 #include "SDL_cgxmodes_c.h"
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42
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43 #define CGX_DEBUG
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44
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45 static void set_best_resolution(_THIS, int width, int height)
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46 {
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47 Uint32 idok;
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48 int depth=8;
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49
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50 if(SDL_Display)
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51 depth=GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH);
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52
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53 idok=BestCModeIDTags(CYBRBIDTG_NominalWidth,width,
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54 CYBRBIDTG_NominalHeight,height,
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55 CYBRBIDTG_Depth,depth,
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56 TAG_DONE);
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57
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58 if(idok!=INVALID_ID)
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59 {
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60 if(SDL_Display)
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61 {
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62 if(currently_fullscreen)
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63 CloseScreen(SDL_Display);
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64 else
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65 UnlockPubScreen(NULL,SDL_Display);
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66 }
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67 SDL_Display=GFX_Display=OpenScreenTags(NULL,SA_Width,width,SA_Height,height,
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68 SA_Depth,depth,SA_DisplayID,idok,
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69 TAG_DONE);
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70 }
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71 }
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72
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73 static void get_real_resolution(_THIS, int* w, int* h)
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74 {
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75 *w = SDL_Display->Width;
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76 *h = SDL_Display->Height;
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77 }
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78
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79 static void add_visual(_THIS, int depth, int class)
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80 {
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81 Uint32 tID;
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82
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83 tID=BestCModeIDTags(CYBRBIDTG_Depth,depth,
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84 CYBRBIDTG_NominalWidth,640,
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85 CYBRBIDTG_NominalHeight,480,
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86 TAG_DONE);
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87
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88 if(tID!=INVALID_ID)
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89 {
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90 int n = this->hidden->nvisuals;
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91
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92 this->hidden->visuals[n].depth = depth;
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93 this->hidden->visuals[n].visual = tID;
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94 this->hidden->visuals[n].bpp = GetCyberIDAttr(CYBRIDATTR_BPPIX,tID);
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95 this->hidden->nvisuals++;
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96 }
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97 }
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98
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99 #define TrueColor 1
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100 #define PseudoColor 2
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101
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102 int CGX_GetVideoModes(_THIS)
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103 {
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104 int i;
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105 ULONG nextid;
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106 int nmodes=0;
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107
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108 SDL_modelist=NULL;
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109
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110 nextid=NextDisplayInfo(INVALID_ID);
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111
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112 while(nextid!=INVALID_ID)
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113 {
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114 if(IsCyberModeID(nextid))
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115 {
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116 DisplayInfoHandle h;
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117
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118 if(h=FindDisplayInfo(nextid))
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119 {
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120 struct DimensionInfo info;
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121
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122 if(GetDisplayInfoData(h,(char *)&info,sizeof(struct DimensionInfo),DTAG_DIMS,NULL))
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123 {
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124 int ok=0;
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125
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126 for(i=0;i<nmodes;i++)
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127 {
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128 if( SDL_modelist[i]->w == (info.Nominal.MaxX+1) &&
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129 SDL_modelist[i]->h == (info.Nominal.MaxY+1) )
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130 ok=1;
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131 }
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132
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133 if(!ok)
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134 {
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135 nmodes++;
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136
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137 SDL_modelist = (SDL_Rect **)realloc(SDL_modelist,(nmodes+1)*sizeof(SDL_Rect *));
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138 SDL_modelist[nmodes]=NULL;
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139
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140 if ( SDL_modelist )
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141 {
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142 SDL_modelist[nmodes-1] = (SDL_Rect *)malloc(sizeof(SDL_Rect));
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143
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144 if ( SDL_modelist[nmodes-1] == NULL )
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145 break;
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146
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147 SDL_modelist[nmodes-1]->x = 0;
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148 SDL_modelist[nmodes-1]->y = 0;
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149 SDL_modelist[nmodes-1]->w = info.Nominal.MaxX+1;
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150 SDL_modelist[nmodes-1]->h = info.Nominal.MaxY+1;
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151 }
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152 }
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153 }
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154 }
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155 }
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156 nextid=NextDisplayInfo(nextid);
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157 }
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158
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159
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160 this->hidden->nvisuals = 0;
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161 /* Search for the visuals in deepest-first order, so that the first
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162 will be the richest one */
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163 add_visual(this, 32, TrueColor);
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164 add_visual(this, 24, TrueColor);
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165 add_visual(this, 16, TrueColor);
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166 add_visual(this, 15, TrueColor);
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167 add_visual(this, 8, PseudoColor);
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168
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169 if(this->hidden->nvisuals == 0) {
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170 SDL_SetError("Found no sufficiently capable CGX visuals");
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171 return -1;
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172 }
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173
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174 if ( SDL_modelist == NULL ) {
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175 SDL_modelist = (SDL_Rect **)malloc((1+1)*sizeof(SDL_Rect *));
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176 i = 0;
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177 if ( SDL_modelist ) {
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178 SDL_modelist[i] = (SDL_Rect *)malloc(sizeof(SDL_Rect));
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179 if ( SDL_modelist[i] ) {
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180 SDL_modelist[i]->x = 0;
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181 SDL_modelist[i]->y = 0;
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182 SDL_modelist[i]->w = SDL_Display->Width;
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183 SDL_modelist[i]->h = SDL_Display->Height;
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184 ++i;
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185 }
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186 SDL_modelist[i] = NULL;
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187 }
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188 }
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189
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190 D( if ( SDL_modelist ) {
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191 bug("CGX video mode list: (%ld)\n",nmodes);
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192 for ( i=0; SDL_modelist[i]; ++i ) {
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193 bug( "\t%ld x %ld\n",
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194 SDL_modelist[i]->w, SDL_modelist[i]->h);
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195 }
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196 }
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197 );
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198
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199 D( { bug("CGX visuals list: (%ld)\n",this->hidden->nvisuals);
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200
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201 for(i=0;i<this->hidden->nvisuals;i++)
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202 bug("\t%lx - depth: %ld bpp: %ld\n",this->hidden->visuals[i].visual,this->hidden->visuals[i].depth,this->hidden->visuals[i].bpp);
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203 }
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204 );
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205 return 0;
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206 }
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207
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208 int CGX_SupportedVisual(_THIS, SDL_PixelFormat *format)
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209 {
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210 int i;
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211 for(i = 0; i < this->hidden->nvisuals; i++)
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212 {
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213 if(this->hidden->visuals[i].depth == format->BitsPerPixel) // Era bpp
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214 return 1;
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215 }
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216 return 0;
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217 }
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218
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219 SDL_Rect **CGX_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
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220 {
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221 if ( CGX_SupportedVisual(this, format) ) {
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222 if ( flags & SDL_FULLSCREEN ) {
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223 return(SDL_modelist);
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224 } else {
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225 return((SDL_Rect **)-1);
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226 }
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227 } else {
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228 return((SDL_Rect **)0);
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229 }
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230 }
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231
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232 void CGX_FreeVideoModes(_THIS)
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233 {
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234 int i;
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235
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236 if ( SDL_modelist ) {
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237 for ( i=0; SDL_modelist[i]; ++i ) {
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238 free(SDL_modelist[i]);
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239 }
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240 free(SDL_modelist);
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241 SDL_modelist = NULL;
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242 }
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243 }
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244
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245 int CGX_ResizeFullScreen(_THIS)
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246 {
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247 int x, y;
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248 int real_w, real_h;
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249
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250 if ( currently_fullscreen ) {
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251 /* Per ora non faccio nulla qui */
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252 }
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253 return(1);
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254 }
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255
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256 void _QueueEnterFullScreen(_THIS)
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257 {
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258 }
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259
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260 int CGX_EnterFullScreen(_THIS)
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261 {
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262 int okay;
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263
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264 okay = 1;
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265 if ( ! currently_fullscreen )
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266 {
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267 int real_w, real_h;
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268
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269 /* Map the fullscreen window to blank the screen */
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270 get_real_resolution(this, &real_w, &real_h);
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271
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272 CGX_DestroyWindow(this,this->screen);
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273 set_best_resolution(this, real_w,real_h);
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274
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275 /* Grab the mouse on the fullscreen window
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276 The event handling will know when we become active, and then
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277 enter fullscreen mode if we can't grab the mouse this time.
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278 */
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279 #if 0
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280 if ( (XGrabPointer(SDL_Display, FSwindow, True, 0,
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281 GrabModeAsync, GrabModeAsync,
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282 FSwindow, None, CurrentTime) != GrabSuccess) ||
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283 (XGrabKeyboard(SDL_Display, WMwindow, True,
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284 GrabModeAsync, GrabModeAsync, CurrentTime) != 0) ) {
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285 XUnmapWindow(SDL_Display, FSwindow);
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286 X11_WaitUnmapped(this, FSwindow);
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287 X11_QueueEnterFullScreen(this);
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288 return(0);
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289 }
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290 #endif
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291
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292 currently_fullscreen = 1;
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293
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294 CGX_CreateWindow(this,this->screen,real_w,real_h,GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH),this->screen->flags);
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295
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296 /* Set the new resolution */
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297 okay = CGX_ResizeFullScreen(this);
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298 if ( ! okay ) {
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299 CGX_LeaveFullScreen(this);
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300 }
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301 /* Set the colormap */
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302 /*
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303 if ( SDL_XColorMap ) {
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304 XInstallColormap(SDL_Display, SDL_XColorMap);
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305 }
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306 */
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307 }
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308 // CGX_GrabInputNoLock(this, this->input_grab | SDL_GRAB_FULLSCREEN);
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309 return(okay);
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310 }
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311
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312 int CGX_LeaveFullScreen(_THIS)
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313 {
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314 if ( currently_fullscreen ) {
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315 int width,height;
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316 if ( SDL_Window ) {
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317 CloseWindow(SDL_Window);
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318 SDL_Window=NULL;
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319 }
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320 CloseScreen(SDL_Display);
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321
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322 GFX_Display=SDL_Display=LockPubScreen(NULL);
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323
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324 currently_fullscreen = 0;
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325
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326 CGX_CreateWindow(this,this->screen,this->screen->w,this->screen->h,GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH),this->screen->flags);
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327 CGX_ResizeImage(this,this->screen,0L);
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328 }
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329
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330 return(0);
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331 }
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