| 1 | /* |
| 2 | |
| 3 | Copyright 1993 by Davor Matic |
| 4 | |
| 5 | Permission to use, copy, modify, distribute, and sell this software |
| 6 | and its documentation for any purpose is hereby granted without fee, |
| 7 | provided that the above copyright notice appear in all copies and that |
| 8 | both that copyright notice and this permission notice appear in |
| 9 | supporting documentation. Davor Matic makes no representations about |
| 10 | the suitability of this software for any purpose. It is provided "as |
| 11 | is" without express or implied warranty. |
| 12 | |
| 13 | */ |
| 14 | |
| 15 | #ifdef HAVE_XNEST_CONFIG_H |
| 16 | #include <xnest-config.h> |
| 17 | #endif |
| 18 | |
| 19 | #include <X11/X.h> |
| 20 | #include <X11/Xproto.h> |
| 21 | #include "scrnintstr.h" |
| 22 | #include "dix.h" |
| 23 | #include "mi.h" |
| 24 | #include "micmap.h" |
| 25 | #include "colormapst.h" |
| 26 | #include "resource.h" |
| 27 | |
| 28 | #include "Xnest.h" |
| 29 | |
| 30 | #include "Display.h" |
| 31 | #include "Screen.h" |
| 32 | #include "XNGC.h" |
| 33 | #include "GCOps.h" |
| 34 | #include "Drawable.h" |
| 35 | #include "XNFont.h" |
| 36 | #include "Color.h" |
| 37 | #include "XNCursor.h" |
| 38 | #include "Visual.h" |
| 39 | #include "Events.h" |
| 40 | #include "Init.h" |
| 41 | #include "mipointer.h" |
| 42 | #include "Args.h" |
| 43 | #include "mipointrst.h" |
| 44 | |
| 45 | Window xnestDefaultWindows[MAXSCREENS]; |
| 46 | Window xnestScreenSaverWindows[MAXSCREENS]; |
| 47 | DevPrivateKeyRec xnestCursorScreenKeyRec; |
| 48 | |
| 49 | ScreenPtr |
| 50 | xnestScreen(Window window) |
| 51 | { |
| 52 | int i; |
| 53 | |
| 54 | for (i = 0; i < xnestNumScreens; i++) |
| 55 | if (xnestDefaultWindows[i] == window) |
| 56 | return screenInfo.screens[i]; |
| 57 | |
| 58 | return NULL; |
| 59 | } |
| 60 | |
| 61 | static int |
| 62 | offset(unsigned long mask) |
| 63 | { |
| 64 | int count; |
| 65 | |
| 66 | for (count = 0; !(mask & 1) && count < 32; count++) |
| 67 | mask >>= 1; |
| 68 | |
| 69 | return count; |
| 70 | } |
| 71 | |
| 72 | static Bool |
| 73 | xnestSaveScreen(ScreenPtr pScreen, int what) |
| 74 | { |
| 75 | if (xnestSoftwareScreenSaver) |
| 76 | return False; |
| 77 | else { |
| 78 | switch (what) { |
| 79 | case SCREEN_SAVER_ON: |
| 80 | XMapRaised(xnestDisplay, xnestScreenSaverWindows[pScreen->myNum]); |
| 81 | xnestSetScreenSaverColormapWindow(pScreen); |
| 82 | break; |
| 83 | |
| 84 | case SCREEN_SAVER_OFF: |
| 85 | XUnmapWindow(xnestDisplay, xnestScreenSaverWindows[pScreen->myNum]); |
| 86 | xnestSetInstalledColormapWindows(pScreen); |
| 87 | break; |
| 88 | |
| 89 | case SCREEN_SAVER_FORCER: |
| 90 | lastEventTime = GetTimeInMillis(); |
| 91 | XUnmapWindow(xnestDisplay, xnestScreenSaverWindows[pScreen->myNum]); |
| 92 | xnestSetInstalledColormapWindows(pScreen); |
| 93 | break; |
| 94 | |
| 95 | case SCREEN_SAVER_CYCLE: |
| 96 | XUnmapWindow(xnestDisplay, xnestScreenSaverWindows[pScreen->myNum]); |
| 97 | xnestSetInstalledColormapWindows(pScreen); |
| 98 | break; |
| 99 | } |
| 100 | return True; |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | static Bool |
| 105 | xnestCursorOffScreen(ScreenPtr *ppScreen, int *x, int *y) |
| 106 | { |
| 107 | return FALSE; |
| 108 | } |
| 109 | |
| 110 | static void |
| 111 | xnestCrossScreen(ScreenPtr pScreen, Bool entering) |
| 112 | { |
| 113 | } |
| 114 | |
| 115 | static miPointerScreenFuncRec xnestPointerCursorFuncs = { |
| 116 | xnestCursorOffScreen, |
| 117 | xnestCrossScreen, |
| 118 | miPointerWarpCursor |
| 119 | }; |
| 120 | |
| 121 | static miPointerSpriteFuncRec xnestPointerSpriteFuncs = { |
| 122 | xnestRealizeCursor, |
| 123 | xnestUnrealizeCursor, |
| 124 | xnestSetCursor, |
| 125 | xnestMoveCursor, |
| 126 | xnestDeviceCursorInitialize, |
| 127 | xnestDeviceCursorCleanup |
| 128 | }; |
| 129 | |
| 130 | Bool |
| 131 | xnestOpenScreen(ScreenPtr pScreen, int argc, char *argv[]) |
| 132 | { |
| 133 | VisualPtr visuals; |
| 134 | DepthPtr depths; |
| 135 | int numVisuals, numDepths; |
| 136 | int i, j, depthIndex; |
| 137 | unsigned long valuemask; |
| 138 | XSetWindowAttributes attributes; |
| 139 | XWindowAttributes gattributes; |
| 140 | XSizeHints sizeHints; |
| 141 | VisualID defaultVisual; |
| 142 | int rootDepth; |
| 143 | miPointerScreenPtr PointPriv; |
| 144 | |
| 145 | if (!dixRegisterPrivateKey |
| 146 | (&xnestWindowPrivateKeyRec, PRIVATE_WINDOW, sizeof(xnestPrivWin))) |
| 147 | return FALSE; |
| 148 | if (!dixRegisterPrivateKey |
| 149 | (&xnestGCPrivateKeyRec, PRIVATE_GC, sizeof(xnestPrivGC))) |
| 150 | return FALSE; |
| 151 | if (!dixRegisterPrivateKey |
| 152 | (&xnestPixmapPrivateKeyRec, PRIVATE_PIXMAP, sizeof(xnestPrivPixmap))) |
| 153 | return FALSE; |
| 154 | if (!dixRegisterPrivateKey |
| 155 | (&xnestColormapPrivateKeyRec, PRIVATE_COLORMAP, |
| 156 | sizeof(xnestPrivColormap))) |
| 157 | return FALSE; |
| 158 | if (!dixRegisterPrivateKey(&xnestCursorScreenKeyRec, PRIVATE_SCREEN, 0)) |
| 159 | return FALSE; |
| 160 | |
| 161 | visuals = (VisualPtr) malloc(xnestNumVisuals * sizeof(VisualRec)); |
| 162 | numVisuals = 0; |
| 163 | |
| 164 | depths = (DepthPtr) malloc(MAXDEPTH * sizeof(DepthRec)); |
| 165 | depths[0].depth = 1; |
| 166 | depths[0].numVids = 0; |
| 167 | depths[0].vids = (VisualID *) malloc(MAXVISUALSPERDEPTH * sizeof(VisualID)); |
| 168 | numDepths = 1; |
| 169 | |
| 170 | for (i = 0; i < xnestNumVisuals; i++) { |
| 171 | visuals[numVisuals].class = xnestVisuals[i].class; |
| 172 | visuals[numVisuals].bitsPerRGBValue = xnestVisuals[i].bits_per_rgb; |
| 173 | visuals[numVisuals].ColormapEntries = xnestVisuals[i].colormap_size; |
| 174 | visuals[numVisuals].nplanes = xnestVisuals[i].depth; |
| 175 | visuals[numVisuals].redMask = xnestVisuals[i].red_mask; |
| 176 | visuals[numVisuals].greenMask = xnestVisuals[i].green_mask; |
| 177 | visuals[numVisuals].blueMask = xnestVisuals[i].blue_mask; |
| 178 | visuals[numVisuals].offsetRed = offset(xnestVisuals[i].red_mask); |
| 179 | visuals[numVisuals].offsetGreen = offset(xnestVisuals[i].green_mask); |
| 180 | visuals[numVisuals].offsetBlue = offset(xnestVisuals[i].blue_mask); |
| 181 | |
| 182 | /* Check for and remove duplicates. */ |
| 183 | for (j = 0; j < numVisuals; j++) { |
| 184 | if (visuals[numVisuals].class == visuals[j].class && |
| 185 | visuals[numVisuals].bitsPerRGBValue == |
| 186 | visuals[j].bitsPerRGBValue && |
| 187 | visuals[numVisuals].ColormapEntries == |
| 188 | visuals[j].ColormapEntries && |
| 189 | visuals[numVisuals].nplanes == visuals[j].nplanes && |
| 190 | visuals[numVisuals].redMask == visuals[j].redMask && |
| 191 | visuals[numVisuals].greenMask == visuals[j].greenMask && |
| 192 | visuals[numVisuals].blueMask == visuals[j].blueMask && |
| 193 | visuals[numVisuals].offsetRed == visuals[j].offsetRed && |
| 194 | visuals[numVisuals].offsetGreen == visuals[j].offsetGreen && |
| 195 | visuals[numVisuals].offsetBlue == visuals[j].offsetBlue) |
| 196 | break; |
| 197 | } |
| 198 | if (j < numVisuals) |
| 199 | break; |
| 200 | |
| 201 | visuals[numVisuals].vid = FakeClientID(0); |
| 202 | |
| 203 | depthIndex = UNDEFINED; |
| 204 | for (j = 0; j < numDepths; j++) |
| 205 | if (depths[j].depth == xnestVisuals[i].depth) { |
| 206 | depthIndex = j; |
| 207 | break; |
| 208 | } |
| 209 | |
| 210 | if (depthIndex == UNDEFINED) { |
| 211 | depthIndex = numDepths; |
| 212 | depths[depthIndex].depth = xnestVisuals[i].depth; |
| 213 | depths[depthIndex].numVids = 0; |
| 214 | depths[depthIndex].vids = |
| 215 | (VisualID *) malloc(MAXVISUALSPERDEPTH * sizeof(VisualID)); |
| 216 | numDepths++; |
| 217 | } |
| 218 | if (depths[depthIndex].numVids >= MAXVISUALSPERDEPTH) { |
| 219 | FatalError("Visual table overflow"); |
| 220 | } |
| 221 | depths[depthIndex].vids[depths[depthIndex].numVids] = |
| 222 | visuals[numVisuals].vid; |
| 223 | depths[depthIndex].numVids++; |
| 224 | |
| 225 | numVisuals++; |
| 226 | } |
| 227 | visuals = (VisualPtr) realloc(visuals, numVisuals * sizeof(VisualRec)); |
| 228 | |
| 229 | defaultVisual = visuals[xnestDefaultVisualIndex].vid; |
| 230 | rootDepth = visuals[xnestDefaultVisualIndex].nplanes; |
| 231 | |
| 232 | if (xnestParentWindow != 0) { |
| 233 | XGetWindowAttributes(xnestDisplay, xnestParentWindow, &gattributes); |
| 234 | xnestWidth = gattributes.width; |
| 235 | xnestHeight = gattributes.height; |
| 236 | } |
| 237 | |
| 238 | /* myNum */ |
| 239 | /* id */ |
| 240 | miScreenInit(pScreen, NULL, xnestWidth, xnestHeight, 1, 1, xnestWidth, rootDepth, numDepths, depths, defaultVisual, /* root visual */ |
| 241 | numVisuals, visuals); |
| 242 | |
| 243 | pScreen->defColormap = (Colormap) FakeClientID(0); |
| 244 | pScreen->minInstalledCmaps = MINCMAPS; |
| 245 | pScreen->maxInstalledCmaps = MAXCMAPS; |
| 246 | pScreen->backingStoreSupport = NotUseful; |
| 247 | pScreen->saveUnderSupport = NotUseful; |
| 248 | pScreen->whitePixel = xnestWhitePixel; |
| 249 | pScreen->blackPixel = xnestBlackPixel; |
| 250 | /* GCperDepth */ |
| 251 | /* PixmapPerDepth */ |
| 252 | pScreen->devPrivate = NULL; |
| 253 | /* WindowPrivateLen */ |
| 254 | /* WindowPrivateSizes */ |
| 255 | /* totalWindowSize */ |
| 256 | /* GCPrivateLen */ |
| 257 | /* GCPrivateSizes */ |
| 258 | /* totalGCSize */ |
| 259 | |
| 260 | /* Random screen procedures */ |
| 261 | |
| 262 | pScreen->QueryBestSize = xnestQueryBestSize; |
| 263 | pScreen->SaveScreen = xnestSaveScreen; |
| 264 | pScreen->GetImage = xnestGetImage; |
| 265 | pScreen->GetSpans = xnestGetSpans; |
| 266 | pScreen->SourceValidate = NULL; |
| 267 | |
| 268 | /* Window Procedures */ |
| 269 | |
| 270 | pScreen->CreateWindow = xnestCreateWindow; |
| 271 | pScreen->DestroyWindow = xnestDestroyWindow; |
| 272 | pScreen->PositionWindow = xnestPositionWindow; |
| 273 | pScreen->ChangeWindowAttributes = xnestChangeWindowAttributes; |
| 274 | pScreen->RealizeWindow = xnestRealizeWindow; |
| 275 | pScreen->UnrealizeWindow = xnestUnrealizeWindow; |
| 276 | pScreen->PostValidateTree = NULL; |
| 277 | pScreen->WindowExposures = xnestWindowExposures; |
| 278 | pScreen->CopyWindow = xnestCopyWindow; |
| 279 | pScreen->ClipNotify = xnestClipNotify; |
| 280 | |
| 281 | /* Pixmap procedures */ |
| 282 | |
| 283 | pScreen->CreatePixmap = xnestCreatePixmap; |
| 284 | pScreen->DestroyPixmap = xnestDestroyPixmap; |
| 285 | pScreen->ModifyPixmapHeader = xnestModifyPixmapHeader; |
| 286 | |
| 287 | /* Font procedures */ |
| 288 | |
| 289 | pScreen->RealizeFont = xnestRealizeFont; |
| 290 | pScreen->UnrealizeFont = xnestUnrealizeFont; |
| 291 | |
| 292 | /* GC procedures */ |
| 293 | |
| 294 | pScreen->CreateGC = xnestCreateGC; |
| 295 | |
| 296 | /* Colormap procedures */ |
| 297 | |
| 298 | pScreen->CreateColormap = xnestCreateColormap; |
| 299 | pScreen->DestroyColormap = xnestDestroyColormap; |
| 300 | pScreen->InstallColormap = xnestInstallColormap; |
| 301 | pScreen->UninstallColormap = xnestUninstallColormap; |
| 302 | pScreen->ListInstalledColormaps = xnestListInstalledColormaps; |
| 303 | pScreen->StoreColors = xnestStoreColors; |
| 304 | pScreen->ResolveColor = xnestResolveColor; |
| 305 | |
| 306 | pScreen->BitmapToRegion = xnestPixmapToRegion; |
| 307 | |
| 308 | /* OS layer procedures */ |
| 309 | |
| 310 | pScreen->BlockHandler = (ScreenBlockHandlerProcPtr) NoopDDA; |
| 311 | pScreen->WakeupHandler = (ScreenWakeupHandlerProcPtr) NoopDDA; |
| 312 | |
| 313 | miDCInitialize(pScreen, &xnestPointerCursorFuncs); /* init SW rendering */ |
| 314 | PointPriv = dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey); |
| 315 | xnestCursorFuncs.spriteFuncs = PointPriv->spriteFuncs; |
| 316 | dixSetPrivate(&pScreen->devPrivates, xnestCursorScreenKey, |
| 317 | &xnestCursorFuncs); |
| 318 | PointPriv->spriteFuncs = &xnestPointerSpriteFuncs; |
| 319 | |
| 320 | pScreen->mmWidth = xnestWidth * DisplayWidthMM(xnestDisplay, |
| 321 | DefaultScreen(xnestDisplay)) |
| 322 | / DisplayWidth(xnestDisplay, DefaultScreen(xnestDisplay)); |
| 323 | pScreen->mmHeight = |
| 324 | xnestHeight * DisplayHeightMM(xnestDisplay, |
| 325 | DefaultScreen(xnestDisplay)) / |
| 326 | DisplayHeight(xnestDisplay, DefaultScreen(xnestDisplay)); |
| 327 | |
| 328 | /* overwrite miCloseScreen with our own */ |
| 329 | pScreen->CloseScreen = xnestCloseScreen; |
| 330 | |
| 331 | if (!miScreenDevPrivateInit(pScreen, xnestWidth, NULL)) |
| 332 | return FALSE; |
| 333 | |
| 334 | /* overwrite miSetShape with our own */ |
| 335 | pScreen->SetShape = xnestSetShape; |
| 336 | |
| 337 | /* devPrivates */ |
| 338 | |
| 339 | #define POSITION_OFFSET (pScreen->myNum * (xnestWidth + xnestHeight) / 32) |
| 340 | |
| 341 | if (xnestDoFullGeneration) { |
| 342 | |
| 343 | valuemask = CWBackPixel | CWEventMask | CWColormap; |
| 344 | attributes.background_pixel = xnestWhitePixel; |
| 345 | attributes.event_mask = xnestEventMask; |
| 346 | attributes.colormap = |
| 347 | xnestDefaultVisualColormap(xnestDefaultVisual(pScreen)); |
| 348 | |
| 349 | if (xnestParentWindow != 0) { |
| 350 | xnestDefaultWindows[pScreen->myNum] = xnestParentWindow; |
| 351 | XSelectInput(xnestDisplay, xnestDefaultWindows[pScreen->myNum], |
| 352 | xnestEventMask); |
| 353 | } |
| 354 | else |
| 355 | xnestDefaultWindows[pScreen->myNum] = |
| 356 | XCreateWindow(xnestDisplay, |
| 357 | DefaultRootWindow(xnestDisplay), |
| 358 | xnestX + POSITION_OFFSET, |
| 359 | xnestY + POSITION_OFFSET, |
| 360 | xnestWidth, xnestHeight, |
| 361 | xnestBorderWidth, |
| 362 | pScreen->rootDepth, |
| 363 | InputOutput, |
| 364 | xnestDefaultVisual(pScreen), |
| 365 | valuemask, &attributes); |
| 366 | |
| 367 | if (!xnestWindowName) |
| 368 | xnestWindowName = argv[0]; |
| 369 | |
| 370 | sizeHints.flags = PPosition | PSize | PMaxSize; |
| 371 | sizeHints.x = xnestX + POSITION_OFFSET; |
| 372 | sizeHints.y = xnestY + POSITION_OFFSET; |
| 373 | sizeHints.width = sizeHints.max_width = xnestWidth; |
| 374 | sizeHints.height = sizeHints.max_height = xnestHeight; |
| 375 | if (xnestUserGeometry & XValue || xnestUserGeometry & YValue) |
| 376 | sizeHints.flags |= USPosition; |
| 377 | if (xnestUserGeometry & WidthValue || xnestUserGeometry & HeightValue) |
| 378 | sizeHints.flags |= USSize; |
| 379 | XSetStandardProperties(xnestDisplay, |
| 380 | xnestDefaultWindows[pScreen->myNum], |
| 381 | xnestWindowName, |
| 382 | xnestWindowName, |
| 383 | xnestIconBitmap, argv, argc, &sizeHints); |
| 384 | |
| 385 | XMapWindow(xnestDisplay, xnestDefaultWindows[pScreen->myNum]); |
| 386 | |
| 387 | valuemask = CWBackPixmap | CWColormap; |
| 388 | attributes.background_pixmap = xnestScreenSaverPixmap; |
| 389 | attributes.colormap = |
| 390 | DefaultColormap(xnestDisplay, DefaultScreen(xnestDisplay)); |
| 391 | xnestScreenSaverWindows[pScreen->myNum] = |
| 392 | XCreateWindow(xnestDisplay, |
| 393 | xnestDefaultWindows[pScreen->myNum], |
| 394 | 0, 0, xnestWidth, xnestHeight, 0, |
| 395 | DefaultDepth(xnestDisplay, |
| 396 | DefaultScreen(xnestDisplay)), |
| 397 | InputOutput, DefaultVisual(xnestDisplay, |
| 398 | DefaultScreen |
| 399 | (xnestDisplay)), valuemask, |
| 400 | &attributes); |
| 401 | } |
| 402 | |
| 403 | if (!xnestCreateDefaultColormap(pScreen)) |
| 404 | return False; |
| 405 | |
| 406 | return True; |
| 407 | } |
| 408 | |
| 409 | Bool |
| 410 | xnestCloseScreen(ScreenPtr pScreen) |
| 411 | { |
| 412 | int i; |
| 413 | |
| 414 | for (i = 0; i < pScreen->numDepths; i++) |
| 415 | free(pScreen->allowedDepths[i].vids); |
| 416 | free(pScreen->allowedDepths); |
| 417 | free(pScreen->visuals); |
| 418 | free(pScreen->devPrivate); |
| 419 | |
| 420 | /* |
| 421 | If xnestDoFullGeneration all x resources will be destroyed upon closing |
| 422 | the display connection. There is no need to generate extra protocol. |
| 423 | */ |
| 424 | |
| 425 | return True; |
| 426 | } |