/*******************************************************************
**
**    *********************************************************
**    *
**    *  File:		PclWindow.c
**    *
**    *  Contents:
**    *                 Window code for Pcl driver.
**    *
**    *  Created:	2/02/95
**    *
**    *********************************************************
** 
********************************************************************/
/*
(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.
*/


#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 "mistruct.h"
#include "regionstr.h"
#include "windowstr.h"
#include "gcstruct.h"

#include "Pcl.h"

#if 0
/*
 * The following list of strings defines the properties which will be
 * placed on the screen's root window if the property was defined in
 * the start-up configuration resource database.
 */
static /* const */ char *propStrings[] = {
	DT_PRINT_JOB_HEADER,
	DT_PRINT_JOB_TRAILER,
	DT_PRINT_JOB_COMMAND, /* old-obsolete */
	DT_PRINT_JOB_EXEC_COMMAND,
	DT_PRINT_JOB_EXEC_OPTIONS,
	DT_PRINT_PAGE_HEADER,
	DT_PRINT_PAGE_TRAILER,
	DT_PRINT_PAGE_COMMAND,
	(char *)NULL
};
#endif

/*
 * PclCreateWindow - watch for the creation of the root window.
 * When it's created, register the screen with the print extension,
 * and put the default command/header properties on it.
 */
/*ARGSUSED*/

Bool
PclCreateWindow(
    register WindowPtr pWin)
{
    PclWindowPrivPtr pPriv;
    
#if 0
    Bool status = Success;
    ScreenPtr pScreen = pWin->drawable.pScreen;
    PclScreenPrivPtr pScreenPriv = (PclScreenPrivPtr) 
		     pScreen->devPrivates[PclScreenPrivateIndex].ptr;
    PclWindowPrivPtr pWinPriv = (PclWindowPrivPtr)
			 pWin->devPrivates[PclWindowPrivateIndex].ptr;

    /*
     * Initialize this window's private struct.
     */
    pWinPriv->jobFileName = (char *)NULL;
    pWinPriv->pJobFile = (FILE *)NULL;
    pWinPriv->pageFileName = (char *)NULL;
    pWinPriv->pPageFile = (FILE *)NULL;
    
    if(pWin->parent == (WindowPtr)NULL)  /* root window? */
    {
	Atom propName; /* type = XA_STRING */
	char *propVal;
	int i;
        XrmDatabase rmdb = pScreenPriv->resDB;

        /*
         * Put the defaults spec'd in the config files in properties on this
	 * screen's root window.
         */
	for(i = 0; propStrings[i] != (char *)NULL; i++)
	{
            if((propVal = _DtPrintGetPrinterResource(pWin, rmdb, 
						     propStrings[i])) !=
	       (char *)NULL)
	    {
                propName = MakeAtom(propStrings[i], strlen(propStrings[i]),
				    TRUE);
	        ChangeWindowProperty(pWin, propName, XA_STRING, 8, 
			             PropModeReplace,  strlen(propVal), 
			             (pointer)propVal, FALSE);
	        xfree(propVal);
	    }
	}
    }

    return status;
#endif

    /*
     * Invalidate the window's private print context.
     */
    pPriv = (PclWindowPrivPtr)pWin->devPrivates[PclWindowPrivateIndex].ptr;
    pPriv->validContext = 0;
    
    return TRUE;
}


/*ARGSUSED*/
Bool PclMapWindow(
    WindowPtr pWindow)
{
    return TRUE;
}

/*ARGSUSED*/
Bool 
PclPositionWindow(
    register WindowPtr pWin,
    int x,
    int y)
{
    return TRUE;
}

/*ARGSUSED*/
Bool 
PclUnmapWindow(
    WindowPtr pWindow)
{
    return TRUE;
}

/*ARGSUSED*/
void 
PclCopyWindow(
    WindowPtr pWin,
    DDXPointRec ptOldOrg,
    RegionPtr prgnSrc)
{
}

/*ARGSUSED*/
Bool
PclChangeWindowAttributes(
    register WindowPtr pWin,
    register unsigned long mask)
{
    if( pWin->backingStore != NotUseful )
      {
	  pWin->backingStore = NotUseful;
	  mask |= CWBackingStore;
      }
    
    return TRUE;
}


/*
 * This function is largely ripped from miPaintWindow, but modified so
 * that the background is not painted to the root window, and so that
 * the backing store is not referenced.
 */
void
PclPaintWindow(
    WindowPtr	pWin,
    RegionPtr	pRegion,
    int		what)
{
	
#define FUNCTION	0
#define FOREGROUND	1
#define TILE		2
#define FILLSTYLE	3
#define ABSX		4
#define ABSY		5
#define CLIPMASK	6
#define SUBWINDOW	7
#define COUNT_BITS	8

    pointer gcval[7];
    pointer newValues [COUNT_BITS];

    BITS32 gcmask, index, mask;
    RegionRec prgnWin;
    DDXPointRec oldCorner;
    BoxRec box;
    WindowPtr	pBgWin;
    GCPtr pGC;
    register int i;
    register BoxPtr pbox;
    register ScreenPtr pScreen = pWin->drawable.pScreen;
    register xRectangle *prect;
    int numRects;

    gcmask = 0;

    /*
     * We don't want to paint a window that has no place to put the
     * PCL output.
     */
    if( PclGetContextFromWindow( pWin ) == (XpContextPtr)NULL )
      return;
    
    if (what == PW_BACKGROUND)
    {
	switch (pWin->backgroundState) {
	case None:
	    return;
	case ParentRelative:
	    (*pWin->parent->drawable.pScreen->PaintWindowBackground)
	      (pWin->parent, pRegion, what);
	    return;
	case BackgroundPixel:
	    newValues[FOREGROUND] = (pointer)pWin->background.pixel;
	    newValues[FILLSTYLE] = (pointer)FillSolid;
	    gcmask |= GCForeground | GCFillStyle;
	    break;
	case BackgroundPixmap:
	    newValues[TILE] = (pointer)pWin->background.pixmap;
	    newValues[FILLSTYLE] = (pointer)FillTiled;
	    gcmask |= GCTile | GCFillStyle | GCTileStipXOrigin | 
	      GCTileStipYOrigin;
	    break;
	}
    }
    else
    {
	if (pWin->borderIsPixel)
	{
	    newValues[FOREGROUND] = (pointer)pWin->border.pixel;
	    newValues[FILLSTYLE] = (pointer)FillSolid;
	    gcmask |= GCForeground | GCFillStyle;
	}
	else
	{
	    newValues[TILE] = (pointer)pWin->border.pixmap;
	    newValues[FILLSTYLE] = (pointer)FillTiled;
	    gcmask |= GCTile | GCFillStyle | GCTileStipXOrigin
	      | GCTileStipYOrigin;
	}
    }

    prect = (xRectangle *)ALLOCATE_LOCAL(REGION_NUM_RECTS(pRegion) *
					 sizeof(xRectangle));
    if (!prect)
	return;

    newValues[FUNCTION] = (pointer)GXcopy;
    gcmask |= GCFunction | GCClipMask;

    i = pScreen->myNum;

    pBgWin = pWin;
    if (what == PW_BORDER)
    {
	while (pBgWin->backgroundState == ParentRelative)
	    pBgWin = pBgWin->parent;
    }

    pGC = GetScratchGC(pWin->drawable.depth, pWin->drawable.pScreen);
    if (!pGC)
      {
	  DEALLOCATE_LOCAL(prect);
	  return;
      }
    /*
     * mash the clip list so we can paint the border by
     * mangling the window in place, pretending it
     * spans the entire screen
     */
    if (what == PW_BORDER)
      {
	  prgnWin = pWin->clipList;
	  oldCorner.x = pWin->drawable.x;
	  oldCorner.y = pWin->drawable.y;
	  pWin->drawable.x = pWin->drawable.y = 0;
	  box.x1 = 0;
	  box.y1 = 0;
	  box.x2 = pScreen->width;
	  box.y2 = pScreen->height;
	  REGION_INIT(pScreen, &pWin->clipList, &box, 1);
	  pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
	  newValues[ABSX] = (pointer)(long)pBgWin->drawable.x;
	  newValues[ABSY] = (pointer)(long)pBgWin->drawable.y;
      }
    else
      {
	  newValues[ABSX] = (pointer)0;
	  newValues[ABSY] = (pointer)0;
      }

/*
 * XXX Backing store is turned off for the PCL driver    

    if (pWin->backStorage)
	(*pWin->drawable.pScreen->DrawGuarantee) (pWin, pGC,
	GuaranteeVisBack);
 */

    mask = gcmask;
    gcmask = 0;
    i = 0;
    while (mask) {
    	index = lowbit (mask);
	mask &= ~index;
	switch (index) {
	case GCFunction:
	    if ((pointer)(long) pGC->alu != newValues[FUNCTION]) {
		gcmask |= index;
		gcval[i++] = newValues[FUNCTION];
	    }
	    break;
	case GCTileStipXOrigin:
	    if ((pointer)(long) pGC->patOrg.x != newValues[ABSX]) {
		gcmask |= index;
		gcval[i++] = newValues[ABSX];
	    }
	    break;
	case GCTileStipYOrigin:
	    if ((pointer)(long) pGC->patOrg.y != newValues[ABSY]) {
		gcmask |= index;
		gcval[i++] = newValues[ABSY];
	    }
	    break;
	case GCClipMask:
	    if ((pointer)(long) pGC->clientClipType != (pointer)CT_NONE) {
		gcmask |= index;
		gcval[i++] = (pointer)CT_NONE;
	    }
	    break;
	case GCSubwindowMode:
	    if ((pointer)(long) pGC->subWindowMode != newValues[SUBWINDOW]) {
		gcmask |= index;
		gcval[i++] = newValues[SUBWINDOW];
	    }
	    break;
	case GCTile:
	    if (pGC->tileIsPixel || 
		(pointer) pGC->tile.pixmap != newValues[TILE])
 	    {
		gcmask |= index;
		gcval[i++] = newValues[TILE];
	    }
	    break;
	case GCFillStyle:
	    if ((pointer)(long) pGC->fillStyle != newValues[FILLSTYLE]) {
		gcmask |= index;
		gcval[i++] = newValues[FILLSTYLE];
	    }
	    break;
	case GCForeground:
	    if ((pointer) pGC->fgPixel != newValues[FOREGROUND]) {
		gcmask |= index;
		gcval[i++] = newValues[FOREGROUND];
	    }
	    break;
	}
    }

    if (gcmask)
        DoChangeGC(pGC, gcmask, (XID *)gcval, 1);

    if (pWin->drawable.serialNumber != pGC->serialNumber)
	ValidateGC((DrawablePtr)pWin, pGC);

    numRects = REGION_NUM_RECTS(pRegion);
    pbox = REGION_RECTS(pRegion);
    for (i= numRects; --i >= 0; pbox++, prect++)
    {
	prect->x = pbox->x1 - pWin->drawable.x;
	prect->y = pbox->y1 - pWin->drawable.y;
	prect->width = pbox->x2 - pbox->x1;
	prect->height = pbox->y2 - pbox->y1;
    }
    prect -= numRects;
    (*pGC->ops->PolyFillRect)((DrawablePtr)pWin, pGC, numRects, prect);
    DEALLOCATE_LOCAL(prect);

/*
 * XXX Backing store is turned off for the PCL driver

    if (pWin->backStorage)
	(*pWin->drawable.pScreen->DrawGuarantee) (pWin, pGC,
	GuaranteeNothing);
 */

    if (what == PW_BORDER)
      {
	  REGION_UNINIT(pScreen, &pWin->clipList);
	  pWin->clipList = prgnWin;
	  pWin->drawable.x = oldCorner.x;
	  pWin->drawable.y = oldCorner.y;
	  pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
      }
    FreeScratchGC(pGC);

}

/*ARGSUSED*/
Bool
PclDestroyWindow(
    WindowPtr pWin)
{
    return TRUE;
}