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/*
 * tixDiWin.c --
 *
 *	This file implements one of the "Display Items" in the Tix library :
 *	WindowItem display items.
 *
 * Copyright (c) 1996, Expert Interface Technologies
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 */
#include <tixPort.h>
#include <tixInt.h>
#include <tixDef.h>
 
/*----------------------------------------------------------------------
 *
 * 		 Data structures used by this file
 *
 *----------------------------------------------------------------------
 */
 
/*----------------------------------------------------------------------
 *
 * 		      Private data definition
 *
 *----------------------------------------------------------------------
 */
 
static Tix_ListInfo mapWinListInfo = {
    Tk_Offset(TixWindowItem, next),
    TIX_UNDEFINED,
};
 
#define DEF_WINDOWITEM_WINDOW	 ""
#define DEF_WINDOWITEM_STYLE	 ""
#define DEF_WINDOWITEM_TYPE	 "window"
 
static Tk_ConfigSpec windowItemConfigSpecs[] = {
    {TK_CONFIG_CUSTOM, "-itemtype", "itemType", "ItemType", 
       DEF_WINDOWITEM_TYPE, Tk_Offset(TixWindowItem, diTypePtr),
       0, &tixConfigItemType},
 
    {TK_CONFIG_CUSTOM, "-style", "windowStyle", "WindowStyle",
       DEF_WINDOWITEM_STYLE, Tk_Offset(TixWindowItem, stylePtr),
       TK_CONFIG_NULL_OK, &tixConfigItemStyle},
 
    {TK_CONFIG_SYNONYM, "-widget", (char *) NULL, (char *) NULL,
       (char *)NULL, 0, 0},
 
    {TK_CONFIG_WINDOW, "-window", "window", "Window",
       DEF_WINDOWITEM_WINDOW, Tk_Offset(TixWindowItem, tkwin), 0},
 
    {TK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL,
       (char *) NULL, 0, 0}
};
/*----------------------------------------------------------------------
 *
 * 		Configuration options for Window Styles
 *
 *----------------------------------------------------------------------
 */
#define DEF_WINDOWSTYLE_PADX	"0"
#define DEF_WINDOWSTYLE_PADY	"0"
#define DEF_WINDOWSTYLE_ANCHOR	"w"
 
static Tk_ConfigSpec windowStyleConfigSpecs[] = {
    {TK_CONFIG_ANCHOR, "-anchor", "anchor", "Anchor",
       DEF_WINDOWSTYLE_ANCHOR, Tk_Offset(TixWindowStyle, anchor), 0},
 
    {TK_CONFIG_PIXELS, "-padx", "padX", "Pad",
       DEF_WINDOWSTYLE_PADX, Tk_Offset(TixWindowStyle, pad[0]), 0},
 
    {TK_CONFIG_PIXELS, "-pady", "padY", "Pad",
       DEF_WINDOWSTYLE_PADY, Tk_Offset(TixWindowStyle, pad[1]), 0},
 
    {TK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL,
       (char *) NULL, 0, 0}
};
 
/*----------------------------------------------------------------------
 * Forward declarations for procedures defined later in this file:
 *----------------------------------------------------------------------
 */
static void		SubWindowLostSlaveProc _ANSI_ARGS_((
			    ClientData clientData, Tk_Window tkwin));
static void		SubWindowRequestProc _ANSI_ARGS_((
			    ClientData clientData, Tk_Window tkwin));
static void		SubWindowStructureProc _ANSI_ARGS_((
			    ClientData clientData, XEvent *eventPtr));
static char *		Tix_WindowItemComponent  _ANSI_ARGS_((
			    Tix_DItem * iPtr, int x, int y));
static void		Tix_WindowItemCalculateSize  _ANSI_ARGS_((
			    Tix_DItem * iPtr));
static int 		Tix_WindowItemConfigure _ANSI_ARGS_((
			    Tix_DItem * iPtr, int argc, char ** argv,
			    int flags));
static Tix_DItem * 	Tix_WindowItemCreate _ANSI_ARGS_((
			    Tix_DispData * ddPtr, Tix_DItemInfo * diTypePtr));
static void		Tix_WindowItemDisplay  _ANSI_ARGS_((
			    Pixmap pixmap, GC gc, Tix_DItem * iPtr,
			    int x, int y, int width, int height, int flags));
static void		Tix_WindowItemFree  _ANSI_ARGS_((
			    Tix_DItem * iPtr));
static void		Tix_WindowItemLostStyle  _ANSI_ARGS_((
			    Tix_DItem * iPtr));
static void 		Tix_WindowItemStyleChanged  _ANSI_ARGS_((
			    Tix_DItem * iPtr));
static void		Tix_WindowItemUnmap _ANSI_ARGS_((
			    TixWindowItem *itPtr));
static int 		Tix_WindowStyleConfigure _ANSI_ARGS_((
			    Tix_DItemStyle* style, int argc, char ** argv,
			    int flags));
static Tix_DItemStyle *	Tix_WindowStyleCreate _ANSI_ARGS_((
			    Tcl_Interp *interp, Tk_Window tkwin,
			    Tix_DItemInfo * diTypePtr, char * name));
static void		Tix_WindowStyleFree _ANSI_ARGS_((
			    Tix_DItemStyle* style));
static void 		Tix_WindowStyleSetTemplate _ANSI_ARGS_((
			    Tix_DItemStyle* style,
			    Tix_StyleTemplate * tmplPtr));
static void		UnmanageWindow _ANSI_ARGS_((Tix_DItem * iPtr,
			    Tk_Window tkwin));
static void		ManageWindow _ANSI_ARGS_((Tix_DItem * iPtr,
			    Tk_Window tkwin));
 
Tix_DItemInfo tix_WindowItemType = {
    "window",			/* type */
    TIX_DITEM_WINDOW,
    Tix_WindowItemCreate,		/* createProc */
    Tix_WindowItemConfigure,
    Tix_WindowItemCalculateSize,
    Tix_WindowItemComponent,
    Tix_WindowItemDisplay,
    Tix_WindowItemFree,
    Tix_WindowItemStyleChanged,
    Tix_WindowItemLostStyle,
 
    Tix_WindowStyleCreate,
    Tix_WindowStyleConfigure,
    Tix_WindowStyleFree,
    Tix_WindowStyleSetTemplate,
 
    windowItemConfigSpecs,
    windowStyleConfigSpecs,
 
    NULL,				/*next */
};
 
/*
 * The structure below defines the official type record for the
 * placer:
 */
static Tk_GeomMgr windowItemGeomType = {
    "tixWindowItem",			/* name */
    SubWindowRequestProc,		/* requestProc */
    SubWindowLostSlaveProc,		/* lostSlaveProc */
};
 
/*----------------------------------------------------------------------
 * Tix_WindowItemCreate --
 *
 *
 *----------------------------------------------------------------------
 */
static Tix_DItem * Tix_WindowItemCreate(ddPtr, diTypePtr)
    Tix_DispData * ddPtr;
    Tix_DItemInfo * diTypePtr;
{
    TixWindowItem * itPtr;
 
    itPtr = (TixWindowItem*) ckalloc(sizeof(TixWindowItem));
 
    itPtr->diTypePtr	= diTypePtr;
    itPtr->ddPtr 	= ddPtr;
    itPtr->stylePtr     = NULL;
    itPtr->clientData	= 0;
    itPtr->size[0]	= 0;
    itPtr->size[1]	= 0;
 
    itPtr->tkwin	= NULL;
 
    return (Tix_DItem *)itPtr;
}
 
/* %% */
static void Tix_WindowItemFree(iPtr)
    Tix_DItem * iPtr;
{
    TixWindowItem * itPtr = (TixWindowItem *) iPtr;
 
    if (itPtr->tkwin) {
	Tk_DeleteEventHandler(itPtr->tkwin, StructureNotifyMask,
	    SubWindowStructureProc, (ClientData) itPtr);
	Tk_ManageGeometry(itPtr->tkwin, (Tk_GeomMgr *)NULL,
	    (ClientData) NULL);
	Tk_UnmapWindow(itPtr->tkwin);
    }
    if (itPtr->stylePtr) {
	TixDItemStyleFree(iPtr, (Tix_DItemStyle*)itPtr->stylePtr);
    }
 
    Tk_FreeOptions(windowItemConfigSpecs, (char *)itPtr,
	itPtr->ddPtr->display, 0);
 
    ckfree((char*)itPtr);
}

/*----------------------------------------------------------------------
 * ManageWindow --
 *
 *	Associate this sub-window with the window item.
 *
 * Side effect:
 *	itPtr->tkwin is changed.
 *----------------------------------------------------------------------
 */
 
static void
ManageWindow(iPtr, tkwin)
    Tix_DItem * iPtr;
    Tk_Window tkwin;
{
    TixWindowItem * itPtr = (TixWindowItem *) iPtr;
 
    Tk_CreateEventHandler(tkwin, StructureNotifyMask,
	SubWindowStructureProc, (ClientData) itPtr);
    Tk_ManageGeometry(tkwin, &windowItemGeomType,
	(ClientData) itPtr);
 
    itPtr->tkwin = tkwin;
}
 
/*----------------------------------------------------------------------
 * UnmanageWindow --
 *
 *	Disassociate this sub-window from the window item.
 *
 * Note:
 *	the tkwin parameter may not equal to itPtr->tkwin.
 *----------------------------------------------------------------------
 */
 
static void
UnmanageWindow(iPtr, tkwin)
    Tix_DItem * iPtr;
    Tk_Window tkwin;
{
    TixWindowItem * itPtr = (TixWindowItem *) iPtr;
 
    Tk_DeleteEventHandler(tkwin, StructureNotifyMask,
	SubWindowStructureProc, (ClientData) itPtr);
    Tk_ManageGeometry(tkwin, (Tk_GeomMgr *)NULL,
	(ClientData) NULL);
    Tk_UnmapWindow(tkwin);
}
 
static int Tix_WindowItemConfigure(iPtr, argc, argv, flags)
    Tix_DItem * iPtr;
    int argc;
    char ** argv;
    int flags;
{
    TixWindowItem * itPtr = (TixWindowItem *) iPtr;
    TixWindowStyle * oldStyle = itPtr->stylePtr;
    Tk_Window oldWindow;
 
    oldWindow = itPtr->tkwin;
 
    if (Tk_ConfigureWidget(itPtr->ddPtr->interp, itPtr->ddPtr->tkwin,
	windowItemConfigSpecs,
	argc, argv, (char *)itPtr, flags) != TCL_OK) {
	return TCL_ERROR;
    }
    if (itPtr->stylePtr == NULL) {
	itPtr->stylePtr = (TixWindowStyle*)TixGetDefaultDItemStyle(
	    itPtr->ddPtr, &tix_WindowItemType, iPtr, NULL);
    }
 
    if (oldWindow != itPtr->tkwin) {
	if (oldWindow != NULL) {
	    UnmanageWindow(iPtr, oldWindow);
	}
	if (itPtr->tkwin != NULL) {
	    /*
	     * Make sure that the master window is the parent of the
	     * window associated with the item.
	     * Also, don't allow a top-level window to be
	     * managed inside a master window.
	     */
	    if (Tk_Parent(itPtr->tkwin) != itPtr->ddPtr->tkwin) {
		Tcl_AppendResult(itPtr->ddPtr->interp, "can't use ",
		    Tk_PathName(itPtr->tkwin),
		    " in a window item of the master widget: must be a child",
		    " of ", Tk_PathName(itPtr->ddPtr->tkwin), (char *) NULL);
		goto badWindow;
	    }
	    if (((Tk_FakeWin *) (itPtr->tkwin))->flags & TK_TOP_LEVEL) {
		Tcl_AppendResult(itPtr->ddPtr->interp, 
		    "can't manage toplevel window",
	 	    Tk_PathName(itPtr->tkwin),
		    " as a window item of ", Tk_PathName(itPtr->ddPtr->tkwin),
		    (char *) NULL);
		goto badWindow;
	    }
	    ManageWindow(iPtr, itPtr->tkwin);
	}
    }
 
    if (oldStyle != NULL && itPtr->stylePtr != oldStyle) {
	Tix_WindowItemStyleChanged(iPtr);
    }
    else {
	Tix_WindowItemCalculateSize((Tix_DItem*)itPtr);
    }
 
    return TCL_OK;
 
badWindow:
 
    itPtr->tkwin = NULL;
    return TCL_ERROR;
}
 
static void Tix_WindowItemDisplay(pixmap, gc, iPtr, x, y, width, height, flag)
    Pixmap pixmap;
    GC gc;
    Tix_DItem * iPtr;
    int x;
    int y;
    int width;
    int height;
    int flag;
{
    TixWindowItem *itPtr = (TixWindowItem *)iPtr;
 
    if (itPtr->tkwin == NULL) {
	return;
    }
 
    TixDItemGetAnchor(itPtr->stylePtr->anchor, x, y, width, height,
	itPtr->size[0], itPtr->size[1], &x, &y);
 
    x += itPtr->stylePtr->pad[0];
    y += itPtr->stylePtr->pad[1];
    width  -= 2*itPtr->stylePtr->pad[0];
    height -= 2*itPtr->stylePtr->pad[1];
 
    if (width < 1 || height < 1) {
	if (itPtr->ddPtr->tkwin != Tk_Parent(itPtr->tkwin)) {
	    Tk_UnmaintainGeometry(itPtr->tkwin, itPtr->ddPtr->tkwin);
	}
	Tk_UnmapWindow(itPtr->tkwin);
	return;
    }
 
    if (itPtr->ddPtr->tkwin == Tk_Parent(itPtr->tkwin)) {
	Tk_MapWindow(itPtr->tkwin);
	Tk_MoveResizeWindow(itPtr->tkwin, x, y, width, height);
    }
    else {
	Tk_MaintainGeometry(itPtr->tkwin, itPtr->ddPtr->tkwin,
	    x, y, width, height);
    }
}
 
static void Tix_WindowItemCalculateSize(iPtr)
    Tix_DItem * iPtr;
{
    TixWindowItem *itPtr = (TixWindowItem*)iPtr;
 
    if (itPtr->tkwin != NULL) {
	itPtr->size[0] = Tk_ReqWidth (itPtr->tkwin);
	itPtr->size[1] = Tk_ReqHeight(itPtr->tkwin);
    } else {
	itPtr->size[0] = 0;
	itPtr->size[1] = 0;
    }
 
    itPtr->size[0] += 2*itPtr->stylePtr->pad[0];
    itPtr->size[1] += 2*itPtr->stylePtr->pad[1];
}
 
static char * Tix_WindowItemComponent(iPtr, x, y)
    Tix_DItem * iPtr;
    int x;
    int y;
{
#if 0
    TixWindowItem *itPtr = (TixWindowItem *)iPtr;
#endif
    static char * body = "body";
 
    return body;
}
 

static void Tix_WindowItemStyleChanged(iPtr)
    Tix_DItem * iPtr;
{
    TixWindowItem *itPtr = (TixWindowItem *)iPtr;
 
    if (itPtr->stylePtr == NULL) {
	/* Maybe we haven't set the style to default style yet */
	return;
    }
    Tix_WindowItemCalculateSize(iPtr);
    if (itPtr->ddPtr->sizeChangedProc != NULL) {
	itPtr->ddPtr->sizeChangedProc(iPtr);
    }
}
static void Tix_WindowItemLostStyle(iPtr)
    Tix_DItem * iPtr;
{
    TixWindowItem *itPtr = (TixWindowItem *)iPtr;
 
    itPtr->stylePtr = (TixWindowStyle*)TixGetDefaultDItemStyle(
	itPtr->ddPtr, &tix_WindowItemType, iPtr, NULL);
 
    Tix_WindowItemStyleChanged(iPtr);
}

/*
 *--------------------------------------------------------------
 *
 * SubWindowStructureProc --
 *
 *	This procedure is invoked whenever StructureNotify events
 *	occur for a window that's managed as part of a display
 *	item.  This procudure's only purpose is to clean up when
 *	windows are deleted.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	The window is disassociated from the window item when it is
 *	deleted.
 *
 *--------------------------------------------------------------
 */
static void
SubWindowStructureProc(clientData, eventPtr)
    ClientData clientData;	/* Pointer to record describing window item. */
    XEvent *eventPtr;		/* Describes what just happened. */
{
    TixWindowItem * itPtr = (TixWindowItem *)clientData;
    int oldWidth, oldHeight;
 
    if (eventPtr->type == DestroyNotify) {
	itPtr->tkwin = NULL;
    }
    oldWidth  = itPtr->size[0];
    oldHeight = itPtr->size[1];
    Tix_WindowItemCalculateSize((Tix_DItem*)itPtr);
 
    if (oldWidth != itPtr->size[0] || oldHeight != itPtr->size[1]) {
	if (itPtr->ddPtr->sizeChangedProc != NULL) {
	    itPtr->ddPtr->sizeChangedProc((Tix_DItem*)itPtr);
	}
    }
}

/*
 *--------------------------------------------------------------
 *
 * SubWindowRequestProc --
 *
 *	This procedure is invoked whenever a window that's associated
 
 *	with a display item changes its requested dimensions.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	The size and location on the screen of the window may change,
 *	depending on the options specified for the window item.
 *
 *--------------------------------------------------------------
 */
static void
SubWindowRequestProc(clientData, tkwin)
    ClientData clientData;		/* Pointer to record for window item.*/
    Tk_Window tkwin;			/* Window that changed its desired
					 * size. */
{
    TixWindowItem *itPtr = (TixWindowItem *) clientData;
 
    Tix_WindowItemCalculateSize((Tix_DItem*)itPtr);
    if (itPtr->ddPtr->sizeChangedProc != NULL) {
	itPtr->ddPtr->sizeChangedProc((Tix_DItem*)itPtr);
    }
}

/*
 *--------------------------------------------------------------
 *
 * SubWindowLostSlaveProc --
 *
 *	This procedure is invoked by Tk whenever some other geometry
 *	claims control over a slave that used to be managed by us.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Forgets all information about the slave.
 *
 *--------------------------------------------------------------
 */
	/* ARGSUSED */
static void
SubWindowLostSlaveProc(clientData, tkwin)
    ClientData clientData;	/* TixWindowItem structure for slave
				 * window that was stolen away. */
    Tk_Window tkwin;		/* Tk's handle for the slave window. */
{
    TixWindowItem *itPtr = (TixWindowItem *) clientData;
 
    if (itPtr->tkwin == NULL) {
	return;
    } else {
	itPtr->tkwin = NULL;
    }
 
    Tk_DeleteEventHandler(tkwin, StructureNotifyMask,
	SubWindowStructureProc, (ClientData) itPtr);
    Tk_ManageGeometry(tkwin, (Tk_GeomMgr *)NULL,
	(ClientData) NULL);
    if (itPtr->ddPtr->tkwin != Tk_Parent(tkwin)) {
	Tk_UnmaintainGeometry(tkwin, itPtr->ddPtr->tkwin);
    }
    Tk_UnmapWindow(tkwin);
 
    /*
     * Inform the owner that the size has changed
     */
    Tix_WindowItemCalculateSize((Tix_DItem*)itPtr);
    if (itPtr->ddPtr->sizeChangedProc != NULL) {
	itPtr->ddPtr->sizeChangedProc((Tix_DItem*)itPtr);
    }
}
/*----------------------------------------------------------------------
 *  Tix_WindowItemUnmap --
 *
 *
 *----------------------------------------------------------------------
 */
static void
Tix_WindowItemUnmap(itPtr)
    TixWindowItem *itPtr;
{
    Tk_Window tkwin = itPtr->tkwin;
 
    if (tkwin == NULL) {
	return;
    }
 
    if (itPtr->ddPtr->tkwin != Tk_Parent(tkwin)) {
	Tk_UnmaintainGeometry(tkwin, itPtr->ddPtr->tkwin);
    }
    Tk_UnmapWindow(tkwin);
}

/*----------------------------------------------------------------------
 *
 *
 *  			Display styles
 *
 *
 *----------------------------------------------------------------------
 */
static Tix_DItemStyle *
Tix_WindowStyleCreate(interp, tkwin, diTypePtr, name)
    Tcl_Interp * interp;
    Tk_Window tkwin;
    char * name;
    Tix_DItemInfo * diTypePtr;
{
    TixWindowStyle * stylePtr =
      (TixWindowStyle *)ckalloc(sizeof(TixWindowStyle));
 
    stylePtr->pad[0]	 = 0;
    stylePtr->pad[1] 	 = 0;
    stylePtr->anchor	 = TK_ANCHOR_CENTER;
 
    return (Tix_DItemStyle *)stylePtr;
}

static int
Tix_WindowStyleConfigure(style, argc, argv, flags)
    Tix_DItemStyle *style;
    int argc;
    char ** argv;
    int flags;
{
    TixWindowStyle * stylePtr = (TixWindowStyle *)style;
    int oldPadX;
    int oldPadY;
 
    oldPadX = stylePtr->pad[0];
    oldPadY = stylePtr->pad[1];
 
    if (!(flags &TIX_DONT_CALL_CONFIG)) {
	if (Tk_ConfigureWidget(stylePtr->interp, stylePtr->tkwin,
	    windowStyleConfigSpecs,
	    argc, argv, (char *)stylePtr, flags) != TCL_OK) {
	    return TCL_ERROR;
	}
    }
 
    if (oldPadX != stylePtr->pad[0] ||  oldPadY != stylePtr->pad[1]) {
	TixDItemStyleChanged(stylePtr->diTypePtr, (Tix_DItemStyle *)stylePtr);
    }
 
    return TCL_OK;
}

static void Tix_WindowStyleFree(style)
    Tix_DItemStyle *style;
{
    TixWindowStyle * stylePtr = (TixWindowStyle *)style;
 
    Tk_FreeOptions(windowStyleConfigSpecs, (char *)stylePtr,
	Tk_Display(stylePtr->tkwin), 0);
    ckfree((char *)stylePtr);
}
 
static void
Tix_WindowStyleSetTemplate(style, tmplPtr)
    Tix_DItemStyle* style;
    Tix_StyleTemplate * tmplPtr;
{
    TixWindowStyle * stylePtr = (TixWindowStyle *)style;
 
 
    if (tmplPtr->flags & TIX_DITEM_PADX) {
	stylePtr->pad[0] = tmplPtr->pad[0];
    }
    if (tmplPtr->flags & TIX_DITEM_PADY) {
	stylePtr->pad[1] = tmplPtr->pad[1];
    }
 
    Tix_WindowStyleConfigure(style, 0, 0, TIX_DONT_CALL_CONFIG);
}
 
/*----------------------------------------------------------------------
 *
 *
 *                  Mapped Window List Handling
 *
 *
 * Maintaining a list of mapped window items. Every host widgets should
 * call these functions so that unwanted window items will not appear
 * on the screen.
 *
 *
 *----------------------------------------------------------------------
 */

void Tix_SetWindowItemSerial(lPtr, iPtr, serial)
    Tix_LinkList * lPtr;
    Tix_DItem * iPtr;
    int serial;
{
    TixWindowItem * itPtr = (TixWindowItem *)iPtr;
    TixWindowItem * curr;
    Tix_ListIterator li;
    Tix_LinkListIteratorInit(&li);
 
    itPtr->serial = serial;
 
    for (Tix_LinkListStart(&mapWinListInfo, lPtr, &li);
	 !Tix_LinkListDone(&li);
	 Tix_LinkListNext (&mapWinListInfo, lPtr, &li)) {
 
	curr = (TixWindowItem*)li.curr;
 
	if (curr == itPtr) {
	    /* Don't want any duplication */
	    return;
	}
    }
    Tix_LinkListAppend(&mapWinListInfo, lPtr, (char*)itPtr, 0);
}

/*
 *----------------------------------------------------------------------
 * UnmapWindows --
 *
 *	We need to unmap all those windows that were displayed last time
 *	but should be now invisible.
 *	Otherwise we will have some unwanted child windows floating 
 *	around.
 *----------------------------------------------------------------------
 */
void Tix_UnmapInvisibleWindowItems(lPtr, serial)
    Tix_LinkList * lPtr;
    int serial;
{
    TixWindowItem * curr;
    Tix_ListIterator li;
    Tix_LinkListIteratorInit(&li);
 
    for (Tix_LinkListStart(&mapWinListInfo, lPtr, &li);
	 !Tix_LinkListDone(&li);
	 Tix_LinkListNext (&mapWinListInfo, lPtr, &li)) {
 
	curr = (TixWindowItem*)li.curr;
	if (curr->serial != serial) {
	    Tix_WindowItemUnmap(curr);
	    Tix_LinkListDelete(&mapWinListInfo, lPtr, &li);
	}
    }
}
 
void
Tix_WindowItemListRemove(lPtr, iPtr)
    Tix_LinkList * lPtr;
    Tix_DItem * iPtr;
{
    TixWindowItem * curr;
    Tix_ListIterator li;
    Tix_LinkListIteratorInit(&li);
 
    for (Tix_LinkListStart(&mapWinListInfo, lPtr, &li);
	 !Tix_LinkListDone(&li);
	 Tix_LinkListNext (&mapWinListInfo, lPtr, &li)) {
 
	curr = (TixWindowItem*)li.curr;
	if (curr == (TixWindowItem*)iPtr) {
	    Tix_WindowItemUnmap(curr);
	    Tix_LinkListDelete(&mapWinListInfo, lPtr, &li);
	    return;
	}
    }
}