diff options
Diffstat (limited to 'xorg-server/hw/xnest/Color.c')
| -rw-r--r-- | xorg-server/hw/xnest/Color.c | 988 |
1 files changed, 493 insertions, 495 deletions
diff --git a/xorg-server/hw/xnest/Color.c b/xorg-server/hw/xnest/Color.c index 2548f9495..7ef137d59 100644 --- a/xorg-server/hw/xnest/Color.c +++ b/xorg-server/hw/xnest/Color.c @@ -1,495 +1,493 @@ -/*
-
-Copyright 1993 by Davor Matic
-
-Permission to use, copy, modify, distribute, and sell this software
-and its documentation for any purpose is hereby granted without fee,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation. Davor Matic makes no representations about
-the suitability of this software for any purpose. It is provided "as
-is" without express or implied warranty.
-
-*/
-
-#ifdef HAVE_XNEST_CONFIG_H
-#include <xnest-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "scrnintstr.h"
-#include "window.h"
-#include "windowstr.h"
-#include "colormapst.h"
-#include "resource.h"
-
-#include "Xnest.h"
-
-
-#include "Display.h"
-#include "Screen.h"
-#include "Color.h"
-#include "Visual.h"
-#include "XNWindow.h"
-#include "Args.h"
-
-DevPrivateKeyRec xnestColormapPrivateKeyRec;
-
-static DevPrivateKeyRec cmapScrPrivateKeyRec;
-#define cmapScrPrivateKey (&cmapScrPrivateKeyRec)
-
-#define GetInstalledColormap(s) ((ColormapPtr) dixLookupPrivate(&(s)->devPrivates, cmapScrPrivateKey))
-#define SetInstalledColormap(s,c) (dixSetPrivate(&(s)->devPrivates, cmapScrPrivateKey, c))
-
-Bool
-xnestCreateColormap(ColormapPtr pCmap)
-{
- VisualPtr pVisual;
- XColor *colors;
- int i, ncolors;
- Pixel red, green, blue;
- Pixel redInc, greenInc, blueInc;
-
- pVisual = pCmap->pVisual;
- ncolors = pVisual->ColormapEntries;
-
- xnestColormapPriv(pCmap)->colormap =
- XCreateColormap(xnestDisplay,
- xnestDefaultWindows[pCmap->pScreen->myNum],
- xnestVisual(pVisual),
- (pVisual->class & DynamicClass) ?
- AllocAll : AllocNone);
-
-
- switch (pVisual->class) {
- case StaticGray: /* read only */
- colors = (XColor *)malloc(ncolors * sizeof(XColor));
- for (i = 0; i < ncolors; i++)
- colors[i].pixel = i;
- XQueryColors(xnestDisplay, xnestColormap(pCmap), colors, ncolors);
- for (i = 0; i < ncolors; i++) {
- pCmap->red[i].co.local.red = colors[i].red;
- pCmap->red[i].co.local.green = colors[i].red;
- pCmap->red[i].co.local.blue = colors[i].red;
- }
- free(colors);
- break;
-
- case StaticColor: /* read only */
- colors = (XColor *)malloc(ncolors * sizeof(XColor));
- for (i = 0; i < ncolors; i++)
- colors[i].pixel = i;
- XQueryColors(xnestDisplay, xnestColormap(pCmap), colors, ncolors);
- for (i = 0; i < ncolors; i++) {
- pCmap->red[i].co.local.red = colors[i].red;
- pCmap->red[i].co.local.green = colors[i].green;
- pCmap->red[i].co.local.blue = colors[i].blue;
- }
- free(colors);
- break;
-
- case TrueColor: /* read only */
- colors = (XColor *)malloc(ncolors * sizeof(XColor));
- red = green = blue = 0L;
- redInc = lowbit(pVisual->redMask);
- greenInc = lowbit(pVisual->greenMask);
- blueInc = lowbit(pVisual->blueMask);
- for (i = 0; i < ncolors; i++) {
- colors[i].pixel = red | green | blue;
- red += redInc;
- if (red > pVisual->redMask) red = 0L;
- green += greenInc;
- if (green > pVisual->greenMask) green = 0L;
- blue += blueInc;
- if (blue > pVisual->blueMask) blue = 0L;
- }
- XQueryColors(xnestDisplay, xnestColormap(pCmap), colors, ncolors);
- for (i = 0; i < ncolors; i++) {
- pCmap->red[i].co.local.red = colors[i].red;
- pCmap->green[i].co.local.green = colors[i].green;
- pCmap->blue[i].co.local.blue = colors[i].blue;
- }
- free(colors);
- break;
-
- case GrayScale: /* read and write */
- break;
-
- case PseudoColor: /* read and write */
- break;
-
- case DirectColor: /* read and write */
- break;
- }
-
- return True;
-}
-
-void
-xnestDestroyColormap(ColormapPtr pCmap)
-{
- XFreeColormap(xnestDisplay, xnestColormap(pCmap));
-}
-
-#define SEARCH_PREDICATE \
- (xnestWindow(pWin) != None && wColormap(pWin) == icws->cmapIDs[i])
-
-static int
-xnestCountInstalledColormapWindows(WindowPtr pWin, pointer ptr)
-{
- xnestInstalledColormapWindows *icws = (xnestInstalledColormapWindows *)ptr;
- int i;
-
- for (i = 0; i < icws->numCmapIDs; i++)
- if (SEARCH_PREDICATE) {
- icws->numWindows++;
- return WT_DONTWALKCHILDREN;
- }
-
- return WT_WALKCHILDREN;
-}
-
-static int
-xnestGetInstalledColormapWindows(WindowPtr pWin, pointer ptr)
-{
- xnestInstalledColormapWindows *icws = (xnestInstalledColormapWindows *)ptr;
- int i;
-
- for (i = 0; i < icws->numCmapIDs; i++)
- if (SEARCH_PREDICATE) {
- icws->windows[icws->index++] = xnestWindow(pWin);
- return WT_DONTWALKCHILDREN;
- }
-
- return WT_WALKCHILDREN;
-}
-
-static Window *xnestOldInstalledColormapWindows = NULL;
-static int xnestNumOldInstalledColormapWindows = 0;
-
-static Bool
-xnestSameInstalledColormapWindows(Window *windows, int numWindows)
-{
- if (xnestNumOldInstalledColormapWindows != numWindows)
- return False;
-
- if (xnestOldInstalledColormapWindows == windows)
- return True;
-
- if (xnestOldInstalledColormapWindows == NULL || windows == NULL)
- return False;
-
- if (memcmp(xnestOldInstalledColormapWindows, windows,
- numWindows * sizeof(Window)))
- return False;
-
- return True;
-}
-
-void
-xnestSetInstalledColormapWindows(ScreenPtr pScreen)
-{
- xnestInstalledColormapWindows icws;
- int numWindows;
-
- icws.cmapIDs = (Colormap *)malloc(pScreen->maxInstalledCmaps *
- sizeof(Colormap));
- icws.numCmapIDs = xnestListInstalledColormaps(pScreen, icws.cmapIDs);
- icws.numWindows = 0;
- WalkTree(pScreen, xnestCountInstalledColormapWindows, (pointer)&icws);
- if (icws.numWindows) {
- icws.windows = (Window *)malloc((icws.numWindows + 1) * sizeof(Window));
- icws.index = 0;
- WalkTree(pScreen, xnestGetInstalledColormapWindows, (pointer)&icws);
- icws.windows[icws.numWindows] = xnestDefaultWindows[pScreen->myNum];
- numWindows = icws.numWindows + 1;
- }
- else {
- icws.windows = NULL;
- numWindows = 0;
- }
-
- free(icws.cmapIDs);
-
- if (!xnestSameInstalledColormapWindows(icws.windows, icws.numWindows)) {
- free(xnestOldInstalledColormapWindows);
-
-#ifdef _XSERVER64
- {
- int i;
- Window64 *windows = (Window64 *)malloc(numWindows * sizeof(Window64));
-
- for(i = 0; i < numWindows; ++i)
- windows[i] = icws.windows[i];
- XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum],
- windows, numWindows);
- free(windows);
- }
-#else
- XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum],
- icws.windows, numWindows);
-#endif
-
- xnestOldInstalledColormapWindows = icws.windows;
- xnestNumOldInstalledColormapWindows = icws.numWindows;
-
-#ifdef DUMB_WINDOW_MANAGERS
- /*
- This code is for dumb window managers.
- This will only work with default local visual colormaps.
- */
- if (icws.numWindows)
- {
- WindowPtr pWin;
- Visual *visual;
- ColormapPtr pCmap;
-
- pWin = xnestWindowPtr(icws.windows[0]);
- visual = xnestVisualFromID(pScreen, wVisual(pWin));
-
- if (visual == xnestDefaultVisual(pScreen))
- dixLookupResourceByType((pointer *)&pCmap, wColormap(pWin),
- RT_COLORMAP, serverClient, DixUseAccess);
- else
- dixLookupResourceByType((pointer *)&pCmap, pScreen->defColormap,
- RT_COLORMAP, serverClient, DixUseAccess);
-
- XSetWindowColormap(xnestDisplay,
- xnestDefaultWindows[pScreen->myNum],
- xnestColormap(pCmap));
- }
-#endif /* DUMB_WINDOW_MANAGERS */
- }
- else
- free(icws.windows);
-}
-
-void
-xnestSetScreenSaverColormapWindow(ScreenPtr pScreen)
-{
- free(xnestOldInstalledColormapWindows);
-
-#ifdef _XSERVER64
- {
- Window64 window;
-
- window = xnestScreenSaverWindows[pScreen->myNum];
- XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum],
- &window, 1);
- xnestScreenSaverWindows[pScreen->myNum] = window;
- }
-#else
- XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum],
- &xnestScreenSaverWindows[pScreen->myNum], 1);
-#endif /* _XSERVER64 */
-
- xnestOldInstalledColormapWindows = NULL;
- xnestNumOldInstalledColormapWindows = 0;
-
- xnestDirectUninstallColormaps(pScreen);
-}
-
-void
-xnestDirectInstallColormaps(ScreenPtr pScreen)
-{
- int i, n;
- Colormap pCmapIDs[MAXCMAPS];
-
- if (!xnestDoDirectColormaps) return;
-
- n = (*pScreen->ListInstalledColormaps)(pScreen, pCmapIDs);
-
- for (i = 0; i < n; i++) {
- ColormapPtr pCmap;
-
- dixLookupResourceByType((pointer *)&pCmap, pCmapIDs[i], RT_COLORMAP,
- serverClient, DixInstallAccess);
- if (pCmap)
- XInstallColormap(xnestDisplay, xnestColormap(pCmap));
- }
-}
-
-void
-xnestDirectUninstallColormaps(ScreenPtr pScreen)
-{
- int i, n;
- Colormap pCmapIDs[MAXCMAPS];
-
- if (!xnestDoDirectColormaps) return;
-
- n = (*pScreen->ListInstalledColormaps)(pScreen, pCmapIDs);
-
- for (i = 0; i < n; i++) {
- ColormapPtr pCmap;
-
- dixLookupResourceByType((pointer *)&pCmap, pCmapIDs[i], RT_COLORMAP,
- serverClient, DixUninstallAccess);
- if (pCmap)
- XUninstallColormap(xnestDisplay, xnestColormap(pCmap));
- }
-}
-
-void
-xnestInstallColormap(ColormapPtr pCmap)
-{
- ColormapPtr pOldCmap = GetInstalledColormap(pCmap->pScreen);
-
- if(pCmap != pOldCmap)
- {
- xnestDirectUninstallColormaps(pCmap->pScreen);
-
- /* Uninstall pInstalledMap. Notify all interested parties. */
- if(pOldCmap != (ColormapPtr)None)
- WalkTree(pCmap->pScreen, TellLostMap, (pointer)&pOldCmap->mid);
-
- SetInstalledColormap(pCmap->pScreen, pCmap);
- WalkTree(pCmap->pScreen, TellGainedMap, (pointer)&pCmap->mid);
-
- xnestSetInstalledColormapWindows(pCmap->pScreen);
- xnestDirectInstallColormaps(pCmap->pScreen);
- }
-}
-
-void
-xnestUninstallColormap(ColormapPtr pCmap)
-{
- ColormapPtr pCurCmap = GetInstalledColormap(pCmap->pScreen);
-
- if(pCmap == pCurCmap)
- {
- if (pCmap->mid != pCmap->pScreen->defColormap)
- {
- dixLookupResourceByType((pointer *)&pCurCmap,
- pCmap->pScreen->defColormap,
- RT_COLORMAP,
- serverClient, DixInstallAccess);
- (*pCmap->pScreen->InstallColormap)(pCurCmap);
- }
- }
-}
-
-static Bool xnestInstalledDefaultColormap = False;
-
-int
-xnestListInstalledColormaps(ScreenPtr pScreen, Colormap *pCmapIDs)
-{
- if (xnestInstalledDefaultColormap) {
- *pCmapIDs = GetInstalledColormap(pScreen)->mid;
- return 1;
- }
- else
- return 0;
-}
-
-void
-xnestStoreColors(ColormapPtr pCmap, int nColors, xColorItem *pColors)
-{
- if (pCmap->pVisual->class & DynamicClass)
-#ifdef _XSERVER64
- {
- int i;
- XColor *pColors64 = (XColor *)malloc(nColors * sizeof(XColor) );
-
- for(i = 0; i < nColors; ++i)
- {
- pColors64[i].pixel = pColors[i].pixel;
- pColors64[i].red = pColors[i].red;
- pColors64[i].green = pColors[i].green;
- pColors64[i].blue = pColors[i].blue;
- pColors64[i].flags = pColors[i].flags;
- }
- XStoreColors(xnestDisplay, xnestColormap(pCmap), pColors64, nColors);
- free(pColors64);
- }
-#else
- XStoreColors(xnestDisplay, xnestColormap(pCmap),
- (XColor *)pColors, nColors);
-#endif
-}
-
-void
-xnestResolveColor(unsigned short *pRed, unsigned short *pGreen,
- unsigned short *pBlue, VisualPtr pVisual)
-{
- int shift;
- unsigned int lim;
-
- shift = 16 - pVisual->bitsPerRGBValue;
- lim = (1 << pVisual->bitsPerRGBValue) - 1;
-
- if ((pVisual->class == PseudoColor) || (pVisual->class == DirectColor))
- {
- /* rescale to rgb bits */
- *pRed = ((*pRed >> shift) * 65535) / lim;
- *pGreen = ((*pGreen >> shift) * 65535) / lim;
- *pBlue = ((*pBlue >> shift) * 65535) / lim;
- }
- else if (pVisual->class == GrayScale)
- {
- /* rescale to gray then rgb bits */
- *pRed = (30L * *pRed + 59L * *pGreen + 11L * *pBlue) / 100;
- *pBlue = *pGreen = *pRed = ((*pRed >> shift) * 65535) / lim;
- }
- else if (pVisual->class == StaticGray)
- {
- unsigned int limg;
-
- limg = pVisual->ColormapEntries - 1;
- /* rescale to gray then [0..limg] then [0..65535] then rgb bits */
- *pRed = (30L * *pRed + 59L * *pGreen + 11L * *pBlue) / 100;
- *pRed = ((((*pRed * (limg + 1))) >> 16) * 65535) / limg;
- *pBlue = *pGreen = *pRed = ((*pRed >> shift) * 65535) / lim;
- }
- else
- {
- unsigned limr, limg, limb;
-
- limr = pVisual->redMask >> pVisual->offsetRed;
- limg = pVisual->greenMask >> pVisual->offsetGreen;
- limb = pVisual->blueMask >> pVisual->offsetBlue;
- /* rescale to [0..limN] then [0..65535] then rgb bits */
- *pRed = ((((((*pRed * (limr + 1)) >> 16) *
- 65535) / limr) >> shift) * 65535) / lim;
- *pGreen = ((((((*pGreen * (limg + 1)) >> 16) *
- 65535) / limg) >> shift) * 65535) / lim;
- *pBlue = ((((((*pBlue * (limb + 1)) >> 16) *
- 65535) / limb) >> shift) * 65535) / lim;
- }
-}
-
-Bool
-xnestCreateDefaultColormap(ScreenPtr pScreen)
-{
- VisualPtr pVisual;
- ColormapPtr pCmap;
- unsigned short zero = 0, ones = 0xFFFF;
- Pixel wp, bp;
-
- if (!dixRegisterPrivateKey(&cmapScrPrivateKeyRec, PRIVATE_SCREEN, 0))
- return FALSE;
-
- for (pVisual = pScreen->visuals;
- pVisual->vid != pScreen->rootVisual;
- pVisual++);
-
- if (CreateColormap(pScreen->defColormap, pScreen, pVisual, &pCmap,
- (pVisual->class & DynamicClass) ? AllocNone : AllocAll, 0)
- != Success)
- return False;
-
- wp = pScreen->whitePixel;
- bp = pScreen->blackPixel;
- if ((AllocColor(pCmap, &ones, &ones, &ones, &wp, 0) !=
- Success) ||
- (AllocColor(pCmap, &zero, &zero, &zero, &bp, 0) !=
- Success))
- return FALSE;
- pScreen->whitePixel = wp;
- pScreen->blackPixel = bp;
- (*pScreen->InstallColormap)(pCmap);
-
- xnestInstalledDefaultColormap = True;
-
- return True;
-}
+/* + +Copyright 1993 by Davor Matic + +Permission to use, copy, modify, distribute, and sell this software +and its documentation for any purpose is hereby granted without fee, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation. Davor Matic makes no representations about +the suitability of this software for any purpose. It is provided "as +is" without express or implied warranty. + +*/ + +#ifdef HAVE_XNEST_CONFIG_H +#include <xnest-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "scrnintstr.h" +#include "window.h" +#include "windowstr.h" +#include "colormapst.h" +#include "resource.h" + +#include "Xnest.h" + +#include "Display.h" +#include "Screen.h" +#include "Color.h" +#include "Visual.h" +#include "XNWindow.h" +#include "Args.h" + +DevPrivateKeyRec xnestColormapPrivateKeyRec; + +static DevPrivateKeyRec cmapScrPrivateKeyRec; + +#define cmapScrPrivateKey (&cmapScrPrivateKeyRec) + +#define GetInstalledColormap(s) ((ColormapPtr) dixLookupPrivate(&(s)->devPrivates, cmapScrPrivateKey)) +#define SetInstalledColormap(s,c) (dixSetPrivate(&(s)->devPrivates, cmapScrPrivateKey, c)) + +Bool +xnestCreateColormap(ColormapPtr pCmap) +{ + VisualPtr pVisual; + XColor *colors; + int i, ncolors; + Pixel red, green, blue; + Pixel redInc, greenInc, blueInc; + + pVisual = pCmap->pVisual; + ncolors = pVisual->ColormapEntries; + + xnestColormapPriv(pCmap)->colormap = + XCreateColormap(xnestDisplay, + xnestDefaultWindows[pCmap->pScreen->myNum], + xnestVisual(pVisual), + (pVisual->class & DynamicClass) ? AllocAll : AllocNone); + + switch (pVisual->class) { + case StaticGray: /* read only */ + colors = (XColor *) malloc(ncolors * sizeof(XColor)); + for (i = 0; i < ncolors; i++) + colors[i].pixel = i; + XQueryColors(xnestDisplay, xnestColormap(pCmap), colors, ncolors); + for (i = 0; i < ncolors; i++) { + pCmap->red[i].co.local.red = colors[i].red; + pCmap->red[i].co.local.green = colors[i].red; + pCmap->red[i].co.local.blue = colors[i].red; + } + free(colors); + break; + + case StaticColor: /* read only */ + colors = (XColor *) malloc(ncolors * sizeof(XColor)); + for (i = 0; i < ncolors; i++) + colors[i].pixel = i; + XQueryColors(xnestDisplay, xnestColormap(pCmap), colors, ncolors); + for (i = 0; i < ncolors; i++) { + pCmap->red[i].co.local.red = colors[i].red; + pCmap->red[i].co.local.green = colors[i].green; + pCmap->red[i].co.local.blue = colors[i].blue; + } + free(colors); + break; + + case TrueColor: /* read only */ + colors = (XColor *) malloc(ncolors * sizeof(XColor)); + red = green = blue = 0L; + redInc = lowbit(pVisual->redMask); + greenInc = lowbit(pVisual->greenMask); + blueInc = lowbit(pVisual->blueMask); + for (i = 0; i < ncolors; i++) { + colors[i].pixel = red | green | blue; + red += redInc; + if (red > pVisual->redMask) + red = 0L; + green += greenInc; + if (green > pVisual->greenMask) + green = 0L; + blue += blueInc; + if (blue > pVisual->blueMask) + blue = 0L; + } + XQueryColors(xnestDisplay, xnestColormap(pCmap), colors, ncolors); + for (i = 0; i < ncolors; i++) { + pCmap->red[i].co.local.red = colors[i].red; + pCmap->green[i].co.local.green = colors[i].green; + pCmap->blue[i].co.local.blue = colors[i].blue; + } + free(colors); + break; + + case GrayScale: /* read and write */ + break; + + case PseudoColor: /* read and write */ + break; + + case DirectColor: /* read and write */ + break; + } + + return True; +} + +void +xnestDestroyColormap(ColormapPtr pCmap) +{ + XFreeColormap(xnestDisplay, xnestColormap(pCmap)); +} + +#define SEARCH_PREDICATE \ + (xnestWindow(pWin) != None && wColormap(pWin) == icws->cmapIDs[i]) + +static int +xnestCountInstalledColormapWindows(WindowPtr pWin, pointer ptr) +{ + xnestInstalledColormapWindows *icws = (xnestInstalledColormapWindows *) ptr; + int i; + + for (i = 0; i < icws->numCmapIDs; i++) + if (SEARCH_PREDICATE) { + icws->numWindows++; + return WT_DONTWALKCHILDREN; + } + + return WT_WALKCHILDREN; +} + +static int +xnestGetInstalledColormapWindows(WindowPtr pWin, pointer ptr) +{ + xnestInstalledColormapWindows *icws = (xnestInstalledColormapWindows *) ptr; + int i; + + for (i = 0; i < icws->numCmapIDs; i++) + if (SEARCH_PREDICATE) { + icws->windows[icws->index++] = xnestWindow(pWin); + return WT_DONTWALKCHILDREN; + } + + return WT_WALKCHILDREN; +} + +static Window *xnestOldInstalledColormapWindows = NULL; +static int xnestNumOldInstalledColormapWindows = 0; + +static Bool +xnestSameInstalledColormapWindows(Window *windows, int numWindows) +{ + if (xnestNumOldInstalledColormapWindows != numWindows) + return False; + + if (xnestOldInstalledColormapWindows == windows) + return True; + + if (xnestOldInstalledColormapWindows == NULL || windows == NULL) + return False; + + if (memcmp(xnestOldInstalledColormapWindows, windows, + numWindows * sizeof(Window))) + return False; + + return True; +} + +void +xnestSetInstalledColormapWindows(ScreenPtr pScreen) +{ + xnestInstalledColormapWindows icws; + int numWindows; + + icws.cmapIDs = (Colormap *) malloc(pScreen->maxInstalledCmaps * + sizeof(Colormap)); + icws.numCmapIDs = xnestListInstalledColormaps(pScreen, icws.cmapIDs); + icws.numWindows = 0; + WalkTree(pScreen, xnestCountInstalledColormapWindows, (pointer) &icws); + if (icws.numWindows) { + icws.windows = + (Window *) malloc((icws.numWindows + 1) * sizeof(Window)); + icws.index = 0; + WalkTree(pScreen, xnestGetInstalledColormapWindows, (pointer) &icws); + icws.windows[icws.numWindows] = xnestDefaultWindows[pScreen->myNum]; + numWindows = icws.numWindows + 1; + } + else { + icws.windows = NULL; + numWindows = 0; + } + + free(icws.cmapIDs); + + if (!xnestSameInstalledColormapWindows(icws.windows, icws.numWindows)) { + free(xnestOldInstalledColormapWindows); + +#ifdef _XSERVER64 + { + int i; + Window64 *windows = + (Window64 *) malloc(numWindows * sizeof(Window64)); + + for (i = 0; i < numWindows; ++i) + windows[i] = icws.windows[i]; + XSetWMColormapWindows(xnestDisplay, + xnestDefaultWindows[pScreen->myNum], windows, + numWindows); + free(windows); + } +#else + XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum], + icws.windows, numWindows); +#endif + + xnestOldInstalledColormapWindows = icws.windows; + xnestNumOldInstalledColormapWindows = icws.numWindows; + +#ifdef DUMB_WINDOW_MANAGERS + /* + This code is for dumb window managers. + This will only work with default local visual colormaps. + */ + if (icws.numWindows) { + WindowPtr pWin; + Visual *visual; + ColormapPtr pCmap; + + pWin = xnestWindowPtr(icws.windows[0]); + visual = xnestVisualFromID(pScreen, wVisual(pWin)); + + if (visual == xnestDefaultVisual(pScreen)) + dixLookupResourceByType((pointer *) &pCmap, wColormap(pWin), + RT_COLORMAP, serverClient, + DixUseAccess); + else + dixLookupResourceByType((pointer *) &pCmap, + pScreen->defColormap, RT_COLORMAP, + serverClient, DixUseAccess); + + XSetWindowColormap(xnestDisplay, + xnestDefaultWindows[pScreen->myNum], + xnestColormap(pCmap)); + } +#endif /* DUMB_WINDOW_MANAGERS */ + } + else + free(icws.windows); +} + +void +xnestSetScreenSaverColormapWindow(ScreenPtr pScreen) +{ + free(xnestOldInstalledColormapWindows); + +#ifdef _XSERVER64 + { + Window64 window; + + window = xnestScreenSaverWindows[pScreen->myNum]; + XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum], + &window, 1); + xnestScreenSaverWindows[pScreen->myNum] = window; + } +#else + XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum], + &xnestScreenSaverWindows[pScreen->myNum], 1); +#endif /* _XSERVER64 */ + + xnestOldInstalledColormapWindows = NULL; + xnestNumOldInstalledColormapWindows = 0; + + xnestDirectUninstallColormaps(pScreen); +} + +void +xnestDirectInstallColormaps(ScreenPtr pScreen) +{ + int i, n; + Colormap pCmapIDs[MAXCMAPS]; + + if (!xnestDoDirectColormaps) + return; + + n = (*pScreen->ListInstalledColormaps) (pScreen, pCmapIDs); + + for (i = 0; i < n; i++) { + ColormapPtr pCmap; + + dixLookupResourceByType((pointer *) &pCmap, pCmapIDs[i], RT_COLORMAP, + serverClient, DixInstallAccess); + if (pCmap) + XInstallColormap(xnestDisplay, xnestColormap(pCmap)); + } +} + +void +xnestDirectUninstallColormaps(ScreenPtr pScreen) +{ + int i, n; + Colormap pCmapIDs[MAXCMAPS]; + + if (!xnestDoDirectColormaps) + return; + + n = (*pScreen->ListInstalledColormaps) (pScreen, pCmapIDs); + + for (i = 0; i < n; i++) { + ColormapPtr pCmap; + + dixLookupResourceByType((pointer *) &pCmap, pCmapIDs[i], RT_COLORMAP, + serverClient, DixUninstallAccess); + if (pCmap) + XUninstallColormap(xnestDisplay, xnestColormap(pCmap)); + } +} + +void +xnestInstallColormap(ColormapPtr pCmap) +{ + ColormapPtr pOldCmap = GetInstalledColormap(pCmap->pScreen); + + if (pCmap != pOldCmap) { + xnestDirectUninstallColormaps(pCmap->pScreen); + + /* Uninstall pInstalledMap. Notify all interested parties. */ + if (pOldCmap != (ColormapPtr) None) + WalkTree(pCmap->pScreen, TellLostMap, (pointer) &pOldCmap->mid); + + SetInstalledColormap(pCmap->pScreen, pCmap); + WalkTree(pCmap->pScreen, TellGainedMap, (pointer) &pCmap->mid); + + xnestSetInstalledColormapWindows(pCmap->pScreen); + xnestDirectInstallColormaps(pCmap->pScreen); + } +} + +void +xnestUninstallColormap(ColormapPtr pCmap) +{ + ColormapPtr pCurCmap = GetInstalledColormap(pCmap->pScreen); + + if (pCmap == pCurCmap) { + if (pCmap->mid != pCmap->pScreen->defColormap) { + dixLookupResourceByType((pointer *) &pCurCmap, + pCmap->pScreen->defColormap, + RT_COLORMAP, + serverClient, DixInstallAccess); + (*pCmap->pScreen->InstallColormap) (pCurCmap); + } + } +} + +static Bool xnestInstalledDefaultColormap = False; + +int +xnestListInstalledColormaps(ScreenPtr pScreen, Colormap * pCmapIDs) +{ + if (xnestInstalledDefaultColormap) { + *pCmapIDs = GetInstalledColormap(pScreen)->mid; + return 1; + } + else + return 0; +} + +void +xnestStoreColors(ColormapPtr pCmap, int nColors, xColorItem * pColors) +{ + if (pCmap->pVisual->class & DynamicClass) +#ifdef _XSERVER64 + { + int i; + XColor *pColors64 = (XColor *) malloc(nColors * sizeof(XColor)); + + for (i = 0; i < nColors; ++i) { + pColors64[i].pixel = pColors[i].pixel; + pColors64[i].red = pColors[i].red; + pColors64[i].green = pColors[i].green; + pColors64[i].blue = pColors[i].blue; + pColors64[i].flags = pColors[i].flags; + } + XStoreColors(xnestDisplay, xnestColormap(pCmap), pColors64, nColors); + free(pColors64); + } +#else + XStoreColors(xnestDisplay, xnestColormap(pCmap), + (XColor *) pColors, nColors); +#endif +} + +void +xnestResolveColor(unsigned short *pRed, unsigned short *pGreen, + unsigned short *pBlue, VisualPtr pVisual) +{ + int shift; + unsigned int lim; + + shift = 16 - pVisual->bitsPerRGBValue; + lim = (1 << pVisual->bitsPerRGBValue) - 1; + + if ((pVisual->class == PseudoColor) || (pVisual->class == DirectColor)) { + /* rescale to rgb bits */ + *pRed = ((*pRed >> shift) * 65535) / lim; + *pGreen = ((*pGreen >> shift) * 65535) / lim; + *pBlue = ((*pBlue >> shift) * 65535) / lim; + } + else if (pVisual->class == GrayScale) { + /* rescale to gray then rgb bits */ + *pRed = (30L * *pRed + 59L * *pGreen + 11L * *pBlue) / 100; + *pBlue = *pGreen = *pRed = ((*pRed >> shift) * 65535) / lim; + } + else if (pVisual->class == StaticGray) { + unsigned int limg; + + limg = pVisual->ColormapEntries - 1; + /* rescale to gray then [0..limg] then [0..65535] then rgb bits */ + *pRed = (30L * *pRed + 59L * *pGreen + 11L * *pBlue) / 100; + *pRed = ((((*pRed * (limg + 1))) >> 16) * 65535) / limg; + *pBlue = *pGreen = *pRed = ((*pRed >> shift) * 65535) / lim; + } + else { + unsigned limr, limg, limb; + + limr = pVisual->redMask >> pVisual->offsetRed; + limg = pVisual->greenMask >> pVisual->offsetGreen; + limb = pVisual->blueMask >> pVisual->offsetBlue; + /* rescale to [0..limN] then [0..65535] then rgb bits */ + *pRed = ((((((*pRed * (limr + 1)) >> 16) * + 65535) / limr) >> shift) * 65535) / lim; + *pGreen = ((((((*pGreen * (limg + 1)) >> 16) * + 65535) / limg) >> shift) * 65535) / lim; + *pBlue = ((((((*pBlue * (limb + 1)) >> 16) * + 65535) / limb) >> shift) * 65535) / lim; + } +} + +Bool +xnestCreateDefaultColormap(ScreenPtr pScreen) +{ + VisualPtr pVisual; + ColormapPtr pCmap; + unsigned short zero = 0, ones = 0xFFFF; + Pixel wp, bp; + + if (!dixRegisterPrivateKey(&cmapScrPrivateKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + + for (pVisual = pScreen->visuals; + pVisual->vid != pScreen->rootVisual; pVisual++); + + if (CreateColormap(pScreen->defColormap, pScreen, pVisual, &pCmap, + (pVisual->class & DynamicClass) ? AllocNone : AllocAll, + 0) + != Success) + return False; + + wp = pScreen->whitePixel; + bp = pScreen->blackPixel; + if ((AllocColor(pCmap, &ones, &ones, &ones, &wp, 0) != + Success) || + (AllocColor(pCmap, &zero, &zero, &zero, &bp, 0) != Success)) + return FALSE; + pScreen->whitePixel = wp; + pScreen->blackPixel = bp; + (*pScreen->InstallColormap) (pCmap); + + xnestInstalledDefaultColormap = True; + + return True; +} |