Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 631 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/Xprint/pcl/PclInit.c b/nx-X11/programs/Xserver/Xprint/pcl/PclInit.c
new file mode 100644
index 000000000..8bedee7c3
--- /dev/null
+++ b/nx-X11/programs/Xserver/Xprint/pcl/PclInit.c
@@ -0,0 +1,631 @@
+/* $Xorg: PclInit.c,v 1.3 2000/08/17 19:48:08 cpqbld Exp $ */
+/*******************************************************************
+**
+**    *********************************************************
+**    *
+**    *  File:		PclInit.c
+**    *
+**    *  Contents:
+**    *                 Initialization code of Pcl driver for the print server.
+**    *
+**    *  Created:	1/30/95
+**    *
+**    *********************************************************
+** 
+********************************************************************/
+/*
+(c) Copyright 1996 Hewlett-Packard Company
+(c) Copyright 1996 International Business Machines Corp.
+(c) Copyright 1996 Sun Microsystems, Inc.
+(c) Copyright 1996 Novell, Inc.
+(c) Copyright 1996 Digital Equipment Corp.
+(c) Copyright 1996 Fujitsu Limited
+(c) Copyright 1996 Hitachi, Ltd.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the names of the copyright holders shall
+not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from said
+copyright holders.
+*/
+
+/*
+(c) Copyright 1996 Hewlett-Packard Company
+(c) Copyright 1996 International Business Machines Corp.
+(c) Copyright 1996 Sun Microsystems, Inc.
+(c) Copyright 1996 Novell, Inc.
+(c) Copyright 1996 Digital Equipment Corp.
+(c) Copyright 1996 Fujitsu Limited
+(c) Copyright 1996 Hitachi, Ltd.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the names of the copyright holders shall
+not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from said
+copyright holders.
+*/
+/* $XFree86: xc/programs/Xserver/Xprint/pcl/PclInit.c,v 1.11 2001/12/21 21:02:05 dawes Exp $ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "Pcl.h"
+
+#include "cfb.h"
+#include <X11/Xos.h>	/* for unlink() */
+
+#include "attributes.h"
+#include "DiPrint.h"
+
+#define MODELDIRNAME "/models"
+
+static void AllocatePclPrivates(ScreenPtr pScreen);
+static int PclInitContext(XpContextPtr pCon);
+static Bool PclDestroyContext(XpContextPtr pCon);
+
+int PclScreenPrivateIndex;
+int PclContextPrivateIndex;
+int PclPixmapPrivateIndex;
+int PclWindowPrivateIndex;
+int PclGCPrivateIndex;
+
+#ifdef XP_PCL_COLOR
+/*
+ * The supported visuals on this screen
+ */
+static VisualRec Visuals[] = 
+{
+    { 1, StaticGray, 1, 2, 1, 0, 0, 0, 0, 0, 0 },
+    { 2, PseudoColor, 8, 256, 8, 0, 0, 0, 0, 0, 0 },
+    { 3, TrueColor, 8, 256, 24, 0xFF0000, 0xFF00, 0xFF, 16, 8, 0 }
+};
+
+/*
+ * The supported depths on this screen
+ */
+static DepthRec Depths[] = 
+{
+    { 1, 1, NULL },
+    { 8, 1, NULL },
+    { 24, 1, NULL }
+};
+#else
+/*
+ * The supported visuals on this screen
+ */
+static VisualRec Visuals[] = 
+{
+    { 1, StaticGray, 1, 2, 1, 0, 0, 0, 0, 0, 0}
+};
+
+/*
+ * The supported depths on this screen
+ */
+static DepthRec Depths[] = 
+{
+    { 1, 1, NULL }
+};
+#endif /* XP_PCL_COLOR */
+
+
+#define NUM_VISUALS(visuals) (sizeof(visuals) / sizeof(VisualRec))
+#define NUM_DEPTHS(depths) (sizeof(depths) / sizeof(DepthRec))
+
+Bool
+PclCloseScreen(int index,
+	       ScreenPtr pScreen)
+{
+    PclScreenPrivPtr pPriv = pScreen->devPrivates[PclScreenPrivateIndex].ptr;
+
+    pScreen->CloseScreen = pPriv->CloseScreen;
+    xfree( pPriv );
+    
+    return (*pScreen->CloseScreen)(index, pScreen);
+}
+
+Bool
+InitializePclDriver(
+     int ndx,
+     ScreenPtr pScreen,
+     int argc,
+     char **argv)
+{
+    int maxRes, xRes, yRes, maxDim;
+    unsigned i;
+    PclScreenPrivPtr pPriv;
+    
+    /*
+     * Register this driver's InitContext function with the print
+     * extension.  This is a bit sleazy, as the extension hasn't yet
+     * been initialized, but the extensionneeds to know this, and this
+     * seems the best time to provide the information.
+     */
+#ifdef XP_PCL_COLOR
+    XpRegisterInitFunc( pScreen, "XP-PCL-COLOR", PclInitContext );
+#elif XP_PCL_MONO
+    XpRegisterInitFunc( pScreen, "XP-PCL-MONO", PclInitContext );
+#else
+    XpRegisterInitFunc( pScreen, "XP-PCL-LJ3", PclInitContext );
+#endif /* XP_PCL_MONO */
+    
+    /*
+     * Create and fill in the devPrivate for the PCL driver.
+     */
+    AllocatePclPrivates(pScreen);
+   
+    pPriv =
+      (PclScreenPrivPtr)pScreen->devPrivates[PclScreenPrivateIndex].ptr;
+
+    maxDim = MAX( pScreen->height, pScreen->width );
+    xRes = pScreen->width / ( pScreen->mmWidth / 25.4 );
+    yRes = pScreen->height / ( pScreen->mmHeight / 25.4 );
+    maxRes = MAX( xRes, yRes );
+
+#ifdef XP_PCL_COLOR
+    cfbScreenInit( pScreen, NULL, maxDim, maxDim, maxRes, maxRes,
+		  maxRes );
+    /*
+     * Clean up the fields that we stomp (code taken from cfbCloseScreen)
+     */
+    for( i = 0; (int) i < pScreen->numDepths; i++ )
+      xfree( pScreen->allowedDepths[i].vids );
+    xfree( pScreen->allowedDepths );
+    xfree( pScreen->visuals );
+#else
+    mfbScreenInit( pScreen, NULL, maxDim, maxDim, maxRes, maxRes,
+		  maxRes );
+#endif /* XP_PCL_COLOR */
+
+    miInitializeBackingStore ( pScreen );
+
+    pScreen->defColormap = FakeClientID(0);
+    pScreen->blackPixel = 1;
+    pScreen->whitePixel = 0;
+
+    pPriv->CloseScreen = pScreen->CloseScreen;
+    pScreen->CloseScreen = PclCloseScreen;
+    
+    pScreen->QueryBestSize = (QueryBestSizeProcPtr)PclQueryBestSize;
+    pScreen->SaveScreen = (SaveScreenProcPtr)_XpBoolNoop;
+    pScreen->GetImage = (GetImageProcPtr)_XpVoidNoop;
+    pScreen->GetSpans = (GetSpansProcPtr)_XpVoidNoop;
+    pScreen->CreateWindow = PclCreateWindow;
+    pScreen->DestroyWindow = PclDestroyWindow;
+/*
+    pScreen->PositionWindow = PclPositionWindow;
+*/
+    pScreen->ChangeWindowAttributes = PclChangeWindowAttributes;
+/*
+    pScreen->RealizeWindow = PclMapWindow;
+    pScreen->UnrealizeWindow = PclUnmapWindow;
+*/
+    pScreen->PaintWindowBackground = PclPaintWindow;
+    pScreen->PaintWindowBorder = PclPaintWindow;
+    pScreen->CopyWindow = PclCopyWindow; /* XXX Hard routine to write! */
+
+    pScreen->CreatePixmap = PclCreatePixmap;
+    pScreen->DestroyPixmap = PclDestroyPixmap;
+    pScreen->RealizeFont = PclRealizeFont;
+    pScreen->UnrealizeFont = PclUnrealizeFont;
+    pScreen->CreateGC = PclCreateGC;
+
+    pScreen->CreateColormap = PclCreateColormap;
+    pScreen->DestroyColormap = PclDestroyColormap;
+    pScreen->InstallColormap = (InstallColormapProcPtr)NoopDDA;
+    pScreen->UninstallColormap = (UninstallColormapProcPtr)NoopDDA;
+    pScreen->ListInstalledColormaps = PclListInstalledColormaps;
+    pScreen->StoreColors = PclStoreColors;
+/*
+    pScreen->ResolveColor = PclResolveColor;
+*/
+
+    pScreen->BitmapToRegion = mfbPixmapToRegion;
+
+    pScreen->ConstrainCursor = PclConstrainCursor;
+    pScreen->CursorLimits = PclCursorLimits;
+    pScreen->DisplayCursor = PclDisplayCursor;
+    pScreen->RealizeCursor = PclRealizeCursor;
+    pScreen->UnrealizeCursor = PclUnrealizeCursor;
+    pScreen->RecolorCursor = PclRecolorCursor;
+    pScreen->SetCursorPosition = PclSetCursorPosition;
+
+    pScreen->visuals = Visuals;
+    pScreen->numVisuals = NUM_VISUALS( Visuals );
+    pScreen->allowedDepths = Depths;
+    pScreen->numDepths = NUM_DEPTHS( Depths );
+
+    for( i = 0; i < NUM_DEPTHS( Depths ); i++ )
+      {
+	  pScreen->allowedDepths[i].vids =
+	    (VisualID *)xalloc( sizeof(VisualID ) );
+	  pScreen->allowedDepths[i].vids[0] = i + 1;
+      }
+    
+#ifdef XP_PCL_COLOR
+    pScreen->rootVisual = 2;
+    pScreen->rootDepth = 8;
+#else
+    pScreen->rootVisual = 1;
+    pScreen->rootDepth = 1;
+#endif /* XP_PCL_COLOR */
+
+    pPriv->colormaps = NULL;
+    PclCreateDefColormap( pScreen );
+    
+    return TRUE;
+}
+
+static void
+AllocatePclPrivates(ScreenPtr pScreen)
+{
+    static unsigned long PclGeneration = 0;
+
+    if((unsigned long) PclGeneration != serverGeneration)
+    {
+        PclScreenPrivateIndex = AllocateScreenPrivateIndex();
+
+	PclWindowPrivateIndex = AllocateWindowPrivateIndex();
+	AllocateWindowPrivate( pScreen, PclWindowPrivateIndex,
+			       sizeof( PclWindowPrivRec ) );
+
+	PclContextPrivateIndex = XpAllocateContextPrivateIndex();
+	XpAllocateContextPrivate( PclContextPrivateIndex, 
+				  sizeof( PclContextPrivRec ) );
+
+	PclGCPrivateIndex = AllocateGCPrivateIndex();
+	AllocateGCPrivate( pScreen, PclGCPrivateIndex, 
+			   sizeof( PclGCPrivRec ) );
+
+	PclPixmapPrivateIndex = AllocatePixmapPrivateIndex();
+	AllocatePixmapPrivate( pScreen, PclPixmapPrivateIndex, 
+			       sizeof( PclPixmapPrivRec ) );
+	
+        PclGeneration = serverGeneration;
+    }
+
+    pScreen->devPrivates[PclScreenPrivateIndex].ptr = (pointer)xalloc(
+                sizeof(PclScreenPrivRec));
+}
+
+/*
+ * PclInitContext
+ *
+ * Establish the appropriate values for a PrintContext used with the PCL
+ * driver.
+ */
+
+static char DOC_ATT_SUPP[]="document-attributes-supported";
+static char DOC_ATT_VAL[]="document-format xp-listfonts-modes";
+static char JOB_ATT_SUPP[]="job-attributes-supported";
+static char JOB_ATT_VAL[]="";
+static char PAGE_ATT_SUPP[]="xp-page-attributes-supported";
+static char PAGE_ATT_VAL[]="content-orientation default-printer-resolution \
+default-input-tray default-medium plex xp-listfonts-modes";
+
+static int
+PclInitContext(XpContextPtr pCon)
+{
+    XpDriverFuncsPtr pFuncs;
+    PclContextPrivPtr pConPriv;
+    char *server, *attrStr;
+    char *modelID;
+    char *configDir;
+    char *pathName;
+    int i, j;
+    float width, height;
+    XpOidMediumDiscreteSizeList* ds_list;
+    XpOidArea* repro;
+    XpOid page_size;
+    XpOidMediumSS* m;
+    
+    /*
+     * Initialize the attribute store for this printer.
+     */
+    XpInitAttributes( pCon );
+
+    /*
+     * Initialize the function pointers
+     */
+    pFuncs = &( pCon->funcs );
+    pFuncs->StartJob = PclStartJob;
+    pFuncs->EndJob = PclEndJob;
+    pFuncs->StartDoc = PclStartDoc;
+    pFuncs->EndDoc = PclEndDoc;
+    pFuncs->StartPage = PclStartPage;
+    pFuncs->EndPage = PclEndPage;
+    pFuncs->PutDocumentData = PclDocumentData;
+    pFuncs->GetDocumentData = PclGetDocumentData;
+    pFuncs->GetAttributes = PclGetAttributes;
+    pFuncs->SetAttributes = PclSetAttributes;
+    pFuncs->AugmentAttributes = PclAugmentAttributes;
+    pFuncs->GetOneAttribute = PclGetOneAttribute;
+    pFuncs->DestroyContext = PclDestroyContext;
+    pFuncs->GetMediumDimensions = PclGetMediumDimensions;
+    pFuncs->GetReproducibleArea = PclGetReproducibleArea;
+    
+
+    /*
+     * Set up the context privates
+     */
+    pConPriv =
+      (PclContextPrivPtr)pCon->devPrivates[PclContextPrivateIndex].ptr;
+    
+    pConPriv->jobFileName = (char *)NULL;
+    pConPriv->pageFileName = (char *)NULL;
+    pConPriv->pJobFile = (FILE *)NULL;
+    pConPriv->pPageFile = (FILE *)NULL;
+    pConPriv->dash = NULL;
+    pConPriv->validGC = 0;
+
+    pConPriv->getDocClient = (ClientPtr)NULL;
+    pConPriv->getDocBufSize = 0;
+    modelID = XpGetOneAttribute(pCon, XPPrinterAttr, "xp-model-identifier");
+    if ( (configDir = XpGetConfigDir(False)) != (char *) NULL ) {
+	pathName = (char *)xalloc(strlen(configDir) + strlen(MODELDIRNAME) +
+				strlen(modelID) + strlen("color.map") + 4);
+	if (pathName) {
+	    sprintf(pathName, "%s/%s/%s/%s", configDir, MODELDIRNAME, modelID,
+				"color.map");
+	    pConPriv->ctbl = PclReadMap(pathName, &pConPriv->ctbldim);
+	    xfree(pathName);
+
+	} else
+	    pConPriv->ctbl = NULL;
+    } else
+	pConPriv->ctbl = NULL;
+
+#ifdef XP_PCL_LJ3
+    /*
+     * Initialize the spooling buffer for saving the figures temporary
+     * (LaserJet IIIs printers don't support the macro function which
+     *  includes some HP-GL/2 commands.)
+     */
+    pConPriv->fcount = 0;
+    if ( !(pConPriv->figures = (char *)xalloc(1024)) )
+	pConPriv->fcount_max = 0;
+    else
+	pConPriv->fcount_max = 1024;
+#endif /* XP_PCL_LJ3 */
+    
+    /*
+     * document-attributes-supported
+     */
+    server = XpGetOneAttribute( pCon, XPServerAttr, DOC_ATT_SUPP );
+    if( ( attrStr = (char *)xalloc(strlen(server) + strlen(DOC_ATT_SUPP)
+				   + strlen(DOC_ATT_VAL) +
+				   strlen(PAGE_ATT_VAL) + 8 ) ) 
+       == (char *)NULL )
+      return BadAlloc;
+    sprintf( attrStr, "*%s:\t%s %s %s", DOC_ATT_SUPP, server,
+	    DOC_ATT_VAL, PAGE_ATT_VAL );
+    XpAugmentAttributes( pCon, XPPrinterAttr, attrStr );
+    xfree( attrStr );
+    
+    /*
+     * job-attributes-supported
+     */
+    server = XpGetOneAttribute( pCon, XPServerAttr, JOB_ATT_SUPP );
+    if( ( attrStr = (char *)xalloc(strlen(server) + strlen(JOB_ATT_SUPP)
+				   + strlen(JOB_ATT_VAL) + 8 ) ) 
+       == (char *)NULL )
+      return BadAlloc;
+    sprintf( attrStr, "*%s:\t%s %s", JOB_ATT_SUPP, server, JOB_ATT_VAL );
+    XpAugmentAttributes( pCon, XPPrinterAttr, attrStr );
+    xfree( attrStr );
+    
+    /*
+     * xp-page-attributes-supported
+     */
+    server = XpGetOneAttribute( pCon, XPServerAttr, PAGE_ATT_SUPP );
+    if( ( attrStr = (char *)xalloc(strlen(server) + strlen(PAGE_ATT_SUPP)
+				   + strlen(PAGE_ATT_VAL) + 8 ) ) 
+       == (char *)NULL )
+      return BadAlloc;
+    sprintf( attrStr, "*%s:\t%s %s", PAGE_ATT_SUPP, server, PAGE_ATT_VAL );
+    XpAugmentAttributes( pCon, XPPrinterAttr, attrStr );
+    xfree( attrStr );
+
+    /*
+     * Validate the attribute pools
+     */
+    XpValidateAttributePool( pCon, XPPrinterAttr, &PclValidatePoolsRec );
+
+    /*
+     * Munge the reproducible areas to reflect the fact that PCL will not let
+     * me move the right or left margins closer than .25" to the edge of the
+     * paper.
+     */
+    m = XpGetMediumSSAttr( pCon, XPPrinterAttr,
+			  xpoid_att_medium_source_sizes_supported, 
+			  (const XpOidList*) NULL,
+			  (const XpOidList*) NULL );
+    for( i = 0; i < XpOidMediumSSCount( m ); i++ )
+      {
+	  if( XpOidMediumSS_DISCRETE == (m->mss)[i].mstag )
+	    {
+		ds_list = (m->mss)[i].ms.discrete;
+		for( j = 0; j < ds_list->count; j++ )
+		  {
+		      repro = &(ds_list->list)[j].assured_reproduction_area;
+		      page_size = (ds_list->list)[j].page_size;
+		      XpGetMediumMillimeters( page_size, &width, &height );
+		      
+		      if( repro->minimum_x < 6.35 )
+			repro->minimum_x = 6.35;
+		      if( width - repro->maximum_x < 6.35 )
+			repro->maximum_x = width - 6.35;
+		  }
+	    }
+      }
+    XpPutMediumSSAttr( pCon, XPPrinterAttr,
+		      xpoid_att_medium_source_sizes_supported, m );
+    XpOidMediumSSDelete( m );
+
+    /*
+     * Finish validating the attribute pools
+     */
+
+    XpValidateAttributePool( pCon, XPDocAttr, &PclValidatePoolsRec );
+    XpValidateAttributePool( pCon, XPJobAttr, &PclValidatePoolsRec );
+    XpValidateAttributePool( pCon, XPPageAttr, &PclValidatePoolsRec );
+
+    /*
+     * Clear out the colormap storage
+     */
+    pConPriv->palettes = NULL;
+    
+    return Success;
+}
+
+static Bool
+PclDestroyContext(XpContextPtr pCon)
+{
+    PclContextPrivPtr pConPriv = (PclContextPrivPtr)
+      pCon->devPrivates[PclContextPrivateIndex].ptr;
+    PclPaletteMapPtr p, t;
+    PclCmapToContexts *pCmap;
+    ScreenPtr screen;
+    PclScreenPrivPtr sPriv;
+    PclContextListPtr con, prevCon, temp;
+    
+    
+    /*
+     * Clean up the temporary files
+     */
+    if( pConPriv->pPageFile != (FILE *)NULL )
+      {
+	  fclose( pConPriv->pPageFile );
+	  pConPriv->pPageFile = (FILE *)NULL;
+      }
+    if( pConPriv->pageFileName != (char *)NULL )
+      {
+	  unlink( pConPriv->pageFileName );
+	  xfree( pConPriv->pageFileName );
+	  pConPriv->pageFileName = (char *)NULL;
+      }
+    
+    if( pConPriv->pJobFile != (FILE *)NULL )
+      {
+	  fclose( pConPriv->pJobFile );
+	  pConPriv->pJobFile = NULL;
+      }
+    if( pConPriv->jobFileName != (char *)NULL )
+      {
+	  unlink( pConPriv->jobFileName );
+	  xfree( pConPriv->jobFileName );
+	  pConPriv->jobFileName = (char *)NULL;
+      }
+
+    xfree( pConPriv->dash );
+    xfree(pConPriv->ctbl);
+    pConPriv->ctbl = NULL;
+#ifdef XP_PCL_LJ3
+    xfree( pConPriv->figures );
+#endif /* XP_PCL_LJ3 */
+
+    /*
+     * Destroy the colormap<->palette mappings
+     */
+    p = pConPriv->palettes;
+    while( p )
+      {
+	  t = p;
+	  p = p->next;
+	  xfree( t );
+      }
+    pConPriv->palettes = NULL;
+
+    /*
+     * Remove the context from the screen-level colormap<->contexts mappings
+     */
+    screen = screenInfo.screens[pCon->screenNum];
+    sPriv = (PclScreenPrivPtr)screen->devPrivates[PclScreenPrivateIndex].ptr;
+    pCmap = sPriv->colormaps;
+    while( pCmap )
+      {
+	  con = pCmap->contexts;
+	  prevCon = NULL;
+	  
+	  while( con )
+	    {
+		if( con->context->contextID == pCon->contextID )
+		  {
+		      if( prevCon )
+			{
+			    temp = con;
+			    prevCon->next = con = con->next;
+			}
+		      else
+			{
+			    temp = pCmap->contexts;
+			    pCmap->contexts = con = con->next;
+			}
+		      xfree( temp );
+		  }
+		else
+		  con = con->next;
+	    }
+
+	  pCmap = pCmap->next;
+      }
+    
+    XpDestroyAttributes(pCon);
+
+    return Success;
+}
+
+XpContextPtr
+PclGetContextFromWindow(WindowPtr win)
+{
+    PclWindowPrivPtr pPriv;
+    
+    while( win )
+      {
+	  pPriv =
+	    (PclWindowPrivPtr)win->devPrivates[PclWindowPrivateIndex].ptr;
+	  if( pPriv->validContext )
+	    return pPriv->context;
+      
+	  win = win->parent;
+      }
+    
+    return NULL;
+}