1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2006 Sam Lantinga 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with this library; if not, write to the Free Software 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 18 19 Sam Lantinga 20 slouken (at) libsdl.org 21 */ 22 #include "SDL_config.h" 23 24 /* Utilities for getting and setting the X display mode */ 25 26 #include "SDL_timer.h" 27 #include "SDL_events.h" 28 #include "../../events/SDL_events_c.h" 29 #include "SDL_cgxvideo.h" 30 #include "SDL_cgxwm_c.h" 31 #include "SDL_cgxmodes_c.h" 32 33 #define CGX_DEBUG 34 35 static void set_best_resolution(_THIS, int width, int height) 36 { 37 Uint32 idok; 38 int depth=8; 39 40 if(SDL_Display) 41 depth=GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH); 42 43 idok=BestCModeIDTags(CYBRBIDTG_NominalWidth,width, 44 CYBRBIDTG_NominalHeight,height, 45 CYBRBIDTG_Depth,depth, 46 TAG_DONE); 47 48 if(idok!=INVALID_ID) 49 { 50 if(SDL_Display) 51 { 52 if(currently_fullscreen) 53 CloseScreen(SDL_Display); 54 else 55 UnlockPubScreen(NULL,SDL_Display); 56 } 57 SDL_Display=GFX_Display=OpenScreenTags(NULL,SA_Width,width,SA_Height,height, 58 SA_Depth,depth,SA_DisplayID,idok, 59 SA_ShowTitle,FALSE, 60 TAG_DONE); 61 } 62 } 63 64 static void get_real_resolution(_THIS, int* w, int* h) 65 { 66 *w = /*SDL_Display->Width*/ SDL_Window->Width-SDL_Window->BorderLeft-SDL_Window->BorderRight; 67 *h = /*SDL_Display->Height*/ SDL_Window->Height-SDL_Window->BorderBottom-SDL_Window->BorderTop; 68 } 69 70 static void move_cursor_to(_THIS, int x, int y) 71 { 72 /* XWarpPointer(SDL_Display, None, SDL_Root, 0, 0, 0, 0, x, y); */ 73 74 /* DA FARE! */ 75 } 76 77 static void add_visual(_THIS, int depth, int class) 78 { 79 Uint32 tID; 80 81 tID=BestCModeIDTags(CYBRBIDTG_Depth,depth, 82 CYBRBIDTG_NominalWidth,640, 83 CYBRBIDTG_NominalHeight,480, 84 TAG_DONE); 85 86 if(tID!=INVALID_ID) 87 { 88 int n = this->hidden->nvisuals; 89 90 this->hidden->visuals[n].depth = depth; 91 this->hidden->visuals[n].visual = tID; 92 this->hidden->visuals[n].bpp = GetCyberIDAttr(CYBRIDATTR_BPPIX,tID); 93 this->hidden->nvisuals++; 94 } 95 } 96 97 #define TrueColor 1 98 #define PseudoColor 2 99 100 int CGX_GetVideoModes(_THIS) 101 { 102 int i; 103 ULONG nextid; 104 int nmodes=0; 105 106 SDL_modelist=NULL; 107 108 nextid=NextDisplayInfo(INVALID_ID); 109 110 while(nextid!=INVALID_ID) 111 { 112 if(IsCyberModeID(nextid)) 113 { 114 DisplayInfoHandle h; 115 116 if(h=FindDisplayInfo(nextid)) 117 { 118 struct DimensionInfo info; 119 120 if(GetDisplayInfoData(h,(char *)&info,sizeof(struct DimensionInfo),DTAG_DIMS,NULL)) 121 { 122 int ok=0; 123 124 for(i=0;i<nmodes;i++) 125 { 126 if( SDL_modelist[i]->w == (info.Nominal.MaxX+1) && 127 SDL_modelist[i]->h == (info.Nominal.MaxY+1) ) 128 ok=1; 129 } 130 131 if(!ok) 132 { 133 nmodes++; 134 135 SDL_modelist = (SDL_Rect **)SDL_realloc(SDL_modelist,(nmodes+1)*sizeof(SDL_Rect *)); 136 SDL_modelist[nmodes]=NULL; 137 138 if ( SDL_modelist ) 139 { 140 SDL_modelist[nmodes-1] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect)); 141 142 if ( SDL_modelist[nmodes-1] == NULL ) 143 break; 144 145 SDL_modelist[nmodes-1]->x = 0; 146 SDL_modelist[nmodes-1]->y = 0; 147 SDL_modelist[nmodes-1]->w = info.Nominal.MaxX+1; 148 SDL_modelist[nmodes-1]->h = info.Nominal.MaxY+1; 149 } 150 } 151 } 152 } 153 } 154 nextid=NextDisplayInfo(nextid); 155 } 156 157 158 this->hidden->nvisuals = 0; 159 /* Search for the visuals in deepest-first order, so that the first 160 will be the richest one */ 161 add_visual(this, 32, TrueColor); 162 add_visual(this, 24, TrueColor); 163 add_visual(this, 16, TrueColor); 164 add_visual(this, 15, TrueColor); 165 add_visual(this, 8, PseudoColor); 166 167 if(this->hidden->nvisuals == 0) { 168 SDL_SetError("Found no sufficiently capable CGX visuals"); 169 return -1; 170 } 171 172 if ( SDL_modelist == NULL ) { 173 SDL_modelist = (SDL_Rect **)SDL_malloc((1+1)*sizeof(SDL_Rect *)); 174 i = 0; 175 if ( SDL_modelist ) { 176 SDL_modelist[i] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect)); 177 if ( SDL_modelist[i] ) { 178 SDL_modelist[i]->x = 0; 179 SDL_modelist[i]->y = 0; 180 SDL_modelist[i]->w = SDL_Display->Width; 181 SDL_modelist[i]->h = SDL_Display->Height; 182 ++i; 183 } 184 SDL_modelist[i] = NULL; 185 } 186 } 187 188 D( if ( SDL_modelist ) { 189 bug("CGX video mode list: (%ld)\n",nmodes); 190 for ( i=0; SDL_modelist[i]; ++i ) { 191 bug( "\t%ld x %ld\n", 192 SDL_modelist[i]->w, SDL_modelist[i]->h); 193 } 194 } 195 ); 196 197 D( { bug("CGX visuals list: (%ld)\n",this->hidden->nvisuals); 198 199 for(i=0;i<this->hidden->nvisuals;i++) 200 bug("\t%lx - depth: %ld bpp: %ld\n",this->hidden->visuals[i].visual,this->hidden->visuals[i].depth,this->hidden->visuals[i].bpp); 201 } 202 ); 203 return 0; 204 } 205 206 int CGX_SupportedVisual(_THIS, SDL_PixelFormat *format) 207 { 208 int i; 209 for(i = 0; i < this->hidden->nvisuals; i++) 210 { 211 if(this->hidden->visuals[i].depth == format->BitsPerPixel) // Era bpp 212 return 1; 213 } 214 return 0; 215 } 216 217 SDL_Rect **CGX_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) 218 { 219 if ( CGX_SupportedVisual(this, format) ) { 220 if ( flags & SDL_FULLSCREEN ) { 221 return(SDL_modelist); 222 } else { 223 return((SDL_Rect **)-1); 224 } 225 } else { 226 return((SDL_Rect **)0); 227 } 228 } 229 230 void CGX_FreeVideoModes(_THIS) 231 { 232 int i; 233 234 if ( SDL_modelist ) { 235 for ( i=0; SDL_modelist[i]; ++i ) { 236 SDL_free(SDL_modelist[i]); 237 } 238 SDL_free(SDL_modelist); 239 SDL_modelist = NULL; 240 } 241 } 242 243 int CGX_ResizeFullScreen(_THIS) 244 { 245 int x, y; 246 int real_w, real_h; 247 248 if ( currently_fullscreen ) { 249 /* Per ora non faccio nulla qui */ 250 } 251 return(1); 252 } 253 254 void _QueueEnterFullScreen(_THIS) 255 { 256 } 257 258 int CGX_EnterFullScreen(_THIS) 259 { 260 int okay; 261 Uint32 saved_flags; 262 263 okay = 1; 264 saved_flags = this->screen->flags; 265 266 if ( ! currently_fullscreen ) 267 { 268 int real_w, real_h; 269 270 /* Map the fullscreen window to blank the screen */ 271 get_real_resolution(this, &real_w, &real_h); 272 273 CGX_DestroyWindow(this,this->screen); 274 set_best_resolution(this, real_w,real_h); 275 276 currently_fullscreen = 1; 277 this->screen->flags = saved_flags; 278 279 CGX_CreateWindow(this,this->screen,real_w,real_h,GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH),this->screen->flags); 280 281 /* Set the new resolution */ 282 okay = CGX_ResizeFullScreen(this); 283 if ( ! okay ) { 284 CGX_LeaveFullScreen(this); 285 } 286 /* Set the colormap */ 287 /* 288 if ( SDL_XColorMap ) { 289 XInstallColormap(SDL_Display, SDL_XColorMap); 290 } 291 */ 292 } 293 // CGX_GrabInputNoLock(this, this->input_grab | SDL_GRAB_FULLSCREEN); 294 return(okay); 295 } 296 297 int CGX_LeaveFullScreen(_THIS) 298 { 299 if ( currently_fullscreen ) { 300 int width,height; 301 if ( SDL_Window ) { 302 CloseWindow(SDL_Window); 303 SDL_Window=NULL; 304 } 305 CloseScreen(SDL_Display); 306 307 GFX_Display=SDL_Display=LockPubScreen(NULL); 308 309 currently_fullscreen = 0; 310 311 CGX_CreateWindow(this,this->screen,this->screen->w,this->screen->h,GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH),this->screen->flags); 312 CGX_ResizeImage(this,this->screen,0L); 313 } 314 315 return(0); 316 } 317
