Objectified grid and pack commands.

1 files changed, 378 insertions, 356 deletions

diff --git a/generic/tkGrid.c b/generic/tkGrid.c
index 6685f53..7fdfe19 100644
--- a/generic/tkGrid.c
+++ b/generic/tkGrid.c
@@ -8,7 +8,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkGrid.c,v 1.12 2001/08/18 20:03:16 pspjuth Exp $
+ * RCS: @(#) $Id: tkGrid.c,v 1.13 2001/08/21 20:21:36 pspjuth Exp $
  */
 
 #include "tkInt.h"
@@ -236,25 +236,25 @@ static void	ArrangeGrid _ANSI_ARGS_((ClientData clientData));
 static int	CheckSlotData _ANSI_ARGS_((Gridder *masterPtr, int slot,
 			int slotType, int checkOnly));
 static int	ConfigureSlaves _ANSI_ARGS_((Tcl_Interp *interp,
-			Tk_Window tkwin, int argc, char *argv[]));
+			Tk_Window tkwin, int objc, Tcl_Obj *CONST objv[]));
 static void	DestroyGrid _ANSI_ARGS_((char *memPtr));
 static Gridder *GetGrid _ANSI_ARGS_((Tk_Window tkwin));
 static int	GridBboxCommand _ANSI_ARGS_((Tk_Window tkwin,
-			Tcl_Interp *interp, int argc, char **argv));
+			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
 static int	GridForgetRemoveCommand _ANSI_ARGS_((Tk_Window tkwin,
-			Tcl_Interp *interp, int argc, char **argv));
+			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
 static int	GridInfoCommand _ANSI_ARGS_((Tk_Window tkwin,
-			Tcl_Interp *interp, int argc, char **argv));
+			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
 static int	GridLocationCommand _ANSI_ARGS_((Tk_Window tkwin,
-			Tcl_Interp *interp, int argc, char **argv));
+			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
 static int	GridPropagateCommand _ANSI_ARGS_((Tk_Window tkwin,
-			Tcl_Interp *interp, int argc, char **argv));
+			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
 static int	GridRowColumnConfigureCommand _ANSI_ARGS_((Tk_Window tkwin,
-			Tcl_Interp *interp, int argc, char **argv));
+			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
 static int	GridSizeCommand _ANSI_ARGS_((Tk_Window tkwin,
-			Tcl_Interp *interp, int argc, char **argv));
+			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
 static int	GridSlavesCommand _ANSI_ARGS_((Tk_Window tkwin,
-			Tcl_Interp *interp, int argc, char **argv));
+			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
 static void	GridStructureProc _ANSI_ARGS_((
 			ClientData clientData, XEvent *eventPtr));
 static void	GridLostSlaveProc _ANSI_ARGS_((ClientData clientData,
@@ -262,6 +262,8 @@ static void	GridLostSlaveProc _ANSI_ARGS_((ClientData clientData,
 static void	GridReqProc _ANSI_ARGS_((ClientData clientData,
 			Tk_Window tkwin));
 static void 	InitMasterData _ANSI_ARGS_((Gridder *masterPtr));
+static Tcl_Obj *NewPairObj _ANSI_ARGS_((Tcl_Interp*, int, int));
+static Tcl_Obj *NewQuadObj _ANSI_ARGS_((Tcl_Interp*, int, int, int, int));
 static int	ResolveConstraints _ANSI_ARGS_((Gridder *gridPtr,
 			int rowOrColumn, int maxOffset));
 static void	SetGridSize _ANSI_ARGS_((Gridder *gridPtr));
@@ -275,7 +277,7 @@ static void	Unlink _ANSI_ARGS_((Gridder *gridPtr));
  */
 
 void TkPrintPadAmount _ANSI_ARGS_((Tcl_Interp*, char*, int, int));
-int  TkParsePadAmount _ANSI_ARGS_((Tcl_Interp*, Tk_Window, char*, int*, int*));
+int  TkParsePadAmount _ANSI_ARGS_((Tcl_Interp*, Tk_Window, Tcl_Obj*, int*, int*));
 
 static Tk_GeomMgr gridMgrType = {
     "grid",			/* name */
@@ -301,61 +303,61 @@ static Tk_GeomMgr gridMgrType = {
  */
 
 int
-Tk_GridCmd(clientData, interp, argc, argv)
+Tk_GridObjCmd(clientData, interp, objc, objv)
     ClientData clientData;	/* Main window associated with
 				 * interpreter. */
     Tcl_Interp *interp;		/* Current interpreter. */
-    int argc;			/* Number of arguments. */
-    char **argv;		/* Argument strings. */
+    int objc;			/* Number of arguments. */
+    Tcl_Obj *CONST objv[];	/* Argument objects. */
 {
     Tk_Window tkwin = (Tk_Window) clientData;
-    size_t length;		/* streing length of argument */
-    char c;			/* 1st character of argument */
+    static char *optionStrings[] = {
+	"bbox", "columnconfigure", "configure", "forget",
+	"info",	"location", "propagate", "remove",
+	"rowconfigure", "size",	"slaves", (char *) NULL };
+    enum options {
+	GRID_BBOX, GRID_COLUMNCONFIGURE, GRID_CONFIGURE, GRID_FORGET,
+	GRID_INFO, GRID_LOCATION, GRID_PROPAGATE, GRID_REMOVE,
+	GRID_ROWCONFIGURE, GRID_SIZE, GRID_SLAVES };
+    int index;
+		
   
-    if ((argc >= 2) && ((argv[1][0] == '.') || (argv[1][0] == REL_SKIP) ||
-    		(argv[1][0] == REL_VERT))) {
-	return ConfigureSlaves(interp, tkwin, argc-1, argv+1);
+    if (objc >= 2) {
+	char *argv1 = Tcl_GetString(objv[1]);
+	if ((argv1[0] == '.') || (argv1[0] == REL_SKIP) ||
+    		(argv1[0] == REL_VERT)) {
+	    return ConfigureSlaves(interp, tkwin, objc-1, objv+1);
+	}
     }
-    if (argc < 3) {
-	Tcl_AppendResult(interp, "wrong # args: should be \"",
-		argv[0], " option arg ?arg ...?\"", (char *) NULL);
+    if (objc < 3) {
+	Tcl_WrongNumArgs(interp, 1, objv, "option arg ?arg ...?");
 	return TCL_ERROR;
     }
-    c = argv[1][0];
-    length = strlen(argv[1]);
-  
-    if ((c == 'b') && (strncmp(argv[1], "bbox", length) == 0)) {
-	return GridBboxCommand(tkwin, interp, argc, argv);
-	
-    } else if ((c == 'c') && (strncmp(argv[1], "configure", length) == 0)) {
-	if ((argv[2][0] != '.') && (argv[2][0] != REL_SKIP) &&
-    		(argv[2][0] != REL_VERT)) {
-	    Tcl_AppendResult(interp, "bad argument \"", argv[2],
-		    "\": must be name of window", (char *) NULL);
-	    return TCL_ERROR;
-	}
-	return ConfigureSlaves(interp, tkwin, argc-2, argv+2);
-	
-    } else if (((c == 'f') && (strncmp(argv[1], "forget", length) == 0))  || 
-	    ((c == 'r') && (strncmp(argv[1], "remove", length) == 0))) {
-	return GridForgetRemoveCommand(tkwin, interp, argc, argv);
-	
-    } else if ((c == 'i') && (strncmp(argv[1], "info", length) == 0)) {
-	return GridInfoCommand(tkwin, interp, argc, argv);
 
-    } else if((c == 'l') && (strncmp(argv[1], "location", length) == 0)) {
-	return GridLocationCommand(tkwin, interp, argc, argv);
+    if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0,
+	    &index) != TCL_OK) {
+	return TCL_ERROR;
+    }
 
-    } else if ((c == 'p') && (strncmp(argv[1], "propagate", length) == 0)) {
-	return GridPropagateCommand(tkwin, interp, argc, argv);
+    switch ((enum options) index) {
+      case GRID_BBOX:
+	return GridBboxCommand(tkwin, interp, objc, objv);
+      case GRID_CONFIGURE:
+	return ConfigureSlaves(interp, tkwin, objc-2, objv+2);
+      case GRID_FORGET:
+      case GRID_REMOVE:
+	return GridForgetRemoveCommand(tkwin, interp, objc, objv);
+      case GRID_INFO:
+	return GridInfoCommand(tkwin, interp, objc, objv);
+      case GRID_LOCATION:
+	return GridLocationCommand(tkwin, interp, objc, objv);
+      case GRID_PROPAGATE:
+	return GridPropagateCommand(tkwin, interp, objc, objv);
+      case GRID_SIZE:
+	return GridSizeCommand(tkwin, interp, objc, objv);
+      case GRID_SLAVES:
+	return GridSlavesCommand(tkwin, interp, objc, objv);
 
-    } else if ((c == 's') && (strncmp(argv[1], "size", length) == 0)
-	    && (length > 1)) {
-	return GridSizeCommand(tkwin, interp, argc, argv);
-	
-    } else if ((c == 's') && (strncmp(argv[1], "slaves", length) == 0)
-	    && (length > 1)) {
-	return GridSlavesCommand(tkwin, interp, argc, argv);
     /*
      * Sample argument combinations:
      *  grid columnconfigure <master> <index> -option
@@ -364,21 +366,15 @@ Tk_GridCmd(clientData, interp, argc, argv)
      *  grid rowconfigure <master> <index> -option
      *  grid rowconfigure <master> <index> -option value -option value.
      */
-   
-    } else if(((c == 'c') && (strncmp(argv[1], "columnconfigure", length) == 0)
-	    && (length >= 3)) ||
-            ((c == 'r') && (strncmp(argv[1], "rowconfigure", length) == 0) 
-            && (length >=2))) {
-	return GridRowColumnConfigureCommand(tkwin, interp, argc, argv);
-	
-    } else {
-	Tcl_AppendResult(interp, "bad option \"", argv[1],
-		"\":  must be bbox, columnconfigure, configure, forget, info, ",
-		"location, propagate, remove, rowconfigure, size, or slaves.",
-		(char *) NULL);
-	return TCL_ERROR;
+
+      case GRID_COLUMNCONFIGURE:
+      case GRID_ROWCONFIGURE:
+	return GridRowColumnConfigureCommand(tkwin, interp, objc, objv);
     }
-    return TCL_OK;
+
+    /* This should not happen */
+    Tcl_SetResult(interp, "Internal error in grid.", TCL_STATIC);
+    return TCL_ERROR;
 }
 
 /*
@@ -398,11 +394,11 @@ Tk_GridCmd(clientData, interp, argc, argv)
  */
 
 static int
-GridBboxCommand(tkwin, interp, argc, argv)
+GridBboxCommand(tkwin, interp, objc, objv)
     Tk_Window tkwin;		/* Main window of the application. */
     Tcl_Interp *interp;		/* Current interpreter. */
-    int argc;			/* Number of arguments. */
-    char **argv;		/* Argument strings. */
+    int objc;			/* Number of arguments. */
+    Tcl_Obj *CONST objv[];	/* Argument objects. */
 {
     Tk_Window master;
     Gridder *masterPtr;		/* master grid record */
@@ -412,45 +408,40 @@ GridBboxCommand(tkwin, interp, argc, argv)
     int endX, endY;		/* last column/row in the layout */
     int x=0, y=0;		/* starting pixels for this bounding box */
     int width, height;		/* size of the bounding box */
-    char buf[TCL_INTEGER_SPACE * 4];
     
-    if (argc!=3 && argc != 5 && argc != 7) {
-	Tcl_AppendResult(interp, "wrong number of arguments: ",
-		"must be \"",argv[0],
-		" bbox master ?column row ?column row??\"",
-		(char *) NULL);
+    if (objc!=3 && objc != 5 && objc != 7) {
+	Tcl_WrongNumArgs(interp, 2, objv, "master ?column row ?column row??");
 	return TCL_ERROR;
     }
     
-    master = Tk_NameToWindow(interp, argv[2], tkwin);
-    if (master == NULL) {
+    if (TkGetWindowFromObj(interp, tkwin, objv[2], &master) != TCL_OK) {
 	return TCL_ERROR;
     }
     masterPtr = GetGrid(master);
     
-    if (argc >= 5) {
-	if (Tcl_GetInt(interp, argv[3], &column) != TCL_OK) {
+    if (objc >= 5) {
+	if (Tcl_GetIntFromObj(interp, objv[3], &column) != TCL_OK) {
 	    return TCL_ERROR;
 	}
-	if (Tcl_GetInt(interp, argv[4], &row) != TCL_OK) {
+	if (Tcl_GetIntFromObj(interp, objv[4], &row) != TCL_OK) {
 	    return TCL_ERROR;
 	}
 	column2 = column;
 	row2 = row;
     }
     
-    if (argc == 7) {
-	if (Tcl_GetInt(interp, argv[5], &column2) != TCL_OK) {
+    if (objc == 7) {
+	if (Tcl_GetIntFromObj(interp, objv[5], &column2) != TCL_OK) {
 	    return TCL_ERROR;
 	}
-	if (Tcl_GetInt(interp, argv[6], &row2) != TCL_OK) {
+	if (Tcl_GetIntFromObj(interp, objv[6], &row2) != TCL_OK) {
 	    return TCL_ERROR;
 	}
     }
     
     gridPtr = masterPtr->masterDataPtr;
     if (gridPtr == NULL) {
-	Tcl_SetResult(interp, "0 0 0 0", TCL_STATIC);
+	Tcl_SetObjResult(interp, NewQuadObj(interp, 0, 0, 0, 0));
 	return TCL_OK;
     }
     
@@ -459,10 +450,10 @@ GridBboxCommand(tkwin, interp, argc, argv)
     endY = MAX(gridPtr->rowEnd, gridPtr->rowMax);
     
     if ((endX == 0) || (endY == 0)) {
-	Tcl_SetResult(interp, "0 0 0 0", TCL_STATIC);
+	Tcl_SetObjResult(interp, NewQuadObj(interp, 0, 0, 0, 0));
 	return TCL_OK;
     }
-    if (argc == 3) {
+    if (objc == 3) {
 	row = column = 0;
 	row2 = endY;
 	column2 = endX;
@@ -505,9 +496,8 @@ GridBboxCommand(tkwin, interp, argc, argv)
 	height = gridPtr->rowPtr[row2].offset - y;
     } 
     
-    sprintf(buf, "%d %d %d %d", x + gridPtr->startX, y + gridPtr->startY,
-	    width, height);
-    Tcl_SetResult(interp, buf, TCL_VOLATILE);
+    Tcl_SetObjResult(interp, NewQuadObj(interp,
+	    x + gridPtr->startX, y + gridPtr->startY, width, height));
     return TCL_OK;
 }
 
@@ -529,22 +519,23 @@ GridBboxCommand(tkwin, interp, argc, argv)
  */
 
 static int
-GridForgetRemoveCommand(tkwin, interp, argc, argv)
+GridForgetRemoveCommand(tkwin, interp, objc, objv)
     Tk_Window tkwin;		/* Main window of the application. */
     Tcl_Interp *interp;		/* Current interpreter. */
-    int argc;			/* Number of arguments. */
-    char **argv;		/* Argument strings. */
+    int objc;			/* Number of arguments. */
+    Tcl_Obj *CONST objv[];	/* Argument objects. */
 {
     Tk_Window slave;
     Gridder *slavePtr;
     int i;
-    char c = argv[1][0];
+    char *string = Tcl_GetString(objv[1]);
+    char c = string[0];
     
-    for (i = 2; i < argc; i++) {
-	slave = Tk_NameToWindow(interp, argv[i], tkwin);
-	if (slave == NULL) {
+    for (i = 2; i < objc; i++) {
+	if (TkGetWindowFromObj(interp, tkwin, objv[i], &slave) != TCL_OK) {
 	    return TCL_ERROR;
 	}
+
 	slavePtr = GetGrid(slave);
 	if (slavePtr->masterPtr != NULL) {
 	    
@@ -597,23 +588,21 @@ GridForgetRemoveCommand(tkwin, interp, argc, argv)
  */
 
 static int
-GridInfoCommand(tkwin, interp, argc, argv)
+GridInfoCommand(tkwin, interp, objc, objv)
     Tk_Window tkwin;		/* Main window of the application. */
     Tcl_Interp *interp;		/* Current interpreter. */
-    int argc;			/* Number of arguments. */
-    char **argv;		/* Argument strings. */
+    int objc;			/* Number of arguments. */
+    Tcl_Obj *CONST objv[];	/* Argument objects. */
 {
     register Gridder *slavePtr;
     Tk_Window slave;
     char buffer[64 + TCL_INTEGER_SPACE * 4];
     
-    if (argc != 3) {
-	Tcl_AppendResult(interp, "wrong # args: should be \"",
-		argv[0], " info window\"", (char *) NULL);
+    if (objc != 3) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window");
 	return TCL_ERROR;
     }
-    slave = Tk_NameToWindow(interp, argv[2], tkwin);
-    if (slave == NULL) {
+    if (TkGetWindowFromObj(interp, tkwin, objv[2], &slave) != TCL_OK) {
 	return TCL_ERROR;
     }
     slavePtr = GetGrid(slave);
@@ -632,7 +621,7 @@ GridInfoCommand(tkwin, interp, argc, argv)
     TkPrintPadAmount(interp, "ipady", slavePtr->iPadY/2, slavePtr->iPadY);
     TkPrintPadAmount(interp, "padx", slavePtr->padLeft, slavePtr->padX);
     TkPrintPadAmount(interp, "pady", slavePtr->padTop, slavePtr->padY);
-    StickyToString(slavePtr->sticky,buffer);
+    StickyToString(slavePtr->sticky, buffer);
     Tcl_AppendResult(interp, " -sticky ", buffer, (char *) NULL);
     return TCL_OK;
 }
@@ -655,11 +644,11 @@ GridInfoCommand(tkwin, interp, argc, argv)
  */
 
 static int
-GridLocationCommand(tkwin, interp, argc, argv)
+GridLocationCommand(tkwin, interp, objc, objv)
     Tk_Window tkwin;		/* Main window of the application. */
     Tcl_Interp *interp;		/* Current interpreter. */
-    int argc;			/* Number of arguments. */
-    char **argv;		/* Argument strings. */
+    int objc;			/* Number of arguments. */
+    Tcl_Obj *CONST objv[];	/* Argument objects. */
 {
     Tk_Window master;
     Gridder *masterPtr;		/* master grid record */
@@ -668,29 +657,26 @@ GridLocationCommand(tkwin, interp, argc, argv)
     int x, y;		/* Offset in pixels, from edge of parent. */
     int i, j;		/* Corresponding column and row indeces. */
     int endX, endY;		/* end of grid */
-    char buf[TCL_INTEGER_SPACE * 2];
     
-    if (argc != 5) {
-	Tcl_AppendResult(interp, "wrong # args: should be \"",
-		argv[0], " location master x y\"", (char *)NULL);
+    if (objc != 5) {
+	Tcl_WrongNumArgs(interp, 2, objv, "master x y");
 	return TCL_ERROR;
     }
     
-    master = Tk_NameToWindow(interp, argv[2], tkwin);
-    if (master == NULL) {
+    if (TkGetWindowFromObj(interp, tkwin, objv[2], &master) != TCL_OK) {
 	return TCL_ERROR;
     }
     
-    if (Tk_GetPixels(interp, master, argv[3], &x) != TCL_OK) {
+    if (Tk_GetPixelsFromObj(interp, master, objv[3], &x) != TCL_OK) {
 	return TCL_ERROR;
     }
-    if (Tk_GetPixels(interp, master, argv[4], &y) != TCL_OK) {
+    if (Tk_GetPixelsFromObj(interp, master, objv[4], &y) != TCL_OK) {
 	return TCL_ERROR;
     }
     
     masterPtr = GetGrid(master);
     if (masterPtr->masterDataPtr == NULL) {
-	Tcl_SetResult(interp, "-1 -1", TCL_STATIC);
+	Tcl_SetObjResult(interp, NewPairObj(interp, -1, -1));
 	return TCL_OK;
     }
     gridPtr = masterPtr->masterDataPtr;
@@ -714,7 +700,7 @@ GridLocationCommand(tkwin, interp, argc, argv)
 	i = -1;
     } else {
 	x -= masterPtr->masterDataPtr->startX;
-	for (i=0;slotPtr[i].offset < x && i < endX; i++) {
+	for (i = 0; slotPtr[i].offset < x && i < endX; i++) {
 	    /* null body */
 	}
     }
@@ -724,13 +710,12 @@ GridLocationCommand(tkwin, interp, argc, argv)
 	j = -1;
     } else {
 	y -= masterPtr->masterDataPtr->startY;
-	for (j=0;slotPtr[j].offset < y && j < endY; j++) {
+	for (j = 0; slotPtr[j].offset < y && j < endY; j++) {
 	    /* null body */
 	}
     }
     
-    sprintf(buf, "%d %d", i, j);
-    Tcl_SetResult(interp, buf, TCL_VOLATILE);
+    Tcl_SetObjResult(interp, NewPairObj(interp, i, j));
     return TCL_OK;
 }
 
@@ -752,34 +737,31 @@ GridLocationCommand(tkwin, interp, argc, argv)
  */
 
 static int
-GridPropagateCommand(tkwin, interp, argc, argv)
+GridPropagateCommand(tkwin, interp, objc, objv)
     Tk_Window tkwin;		/* Main window of the application. */
     Tcl_Interp *interp;		/* Current interpreter. */
-    int argc;			/* Number of arguments. */
-    char **argv;		/* Argument strings. */
+    int objc;			/* Number of arguments. */
+    Tcl_Obj *CONST objv[];	/* Argument objects. */
 {
     Tk_Window master;
     Gridder *masterPtr;
     int propagate;
     
-    if (argc > 4) {
-	Tcl_AppendResult(interp, "wrong # args: should be \"",
-		argv[0], " propagate window ?boolean?\"",
-		(char *) NULL);
+    if (objc > 4) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?boolean?");
 	return TCL_ERROR;
     }
-    master = Tk_NameToWindow(interp, argv[2], tkwin);
-    if (master == NULL) {
+
+    if (TkGetWindowFromObj(interp, tkwin, objv[2], &master) != TCL_OK) {
 	return TCL_ERROR;
     }
     masterPtr = GetGrid(master);
-    if (argc == 3) {
-	Tcl_SetResult(interp,
-		((masterPtr->flags & DONT_PROPAGATE) ? "0" : "1"),
-		TCL_STATIC);
+    if (objc == 3) {
+	Tcl_SetObjResult(interp,
+		Tcl_NewBooleanObj(!(masterPtr->flags & DONT_PROPAGATE)));
 	return TCL_OK;
     }
-    if (Tcl_GetBoolean(interp, argv[3], &propagate) != TCL_OK) {
+    if (Tcl_GetBooleanFromObj(interp, objv[3], &propagate) != TCL_OK) {
 	return TCL_ERROR;
     }
     
@@ -827,69 +809,65 @@ GridPropagateCommand(tkwin, interp, argc, argv)
  */
 
 static int
-GridRowColumnConfigureCommand(tkwin, interp, argc, argv)
+GridRowColumnConfigureCommand(tkwin, interp, objc, objv)
     Tk_Window tkwin;		/* Main window of the application. */
     Tcl_Interp *interp;		/* Current interpreter. */
-    int argc;			/* Number of arguments. */
-    char **argv;		/* Argument strings. */
+    int objc;			/* Number of arguments. */
+    Tcl_Obj *CONST objv[];	/* Argument objects. */
 {
     Tk_Window master;
     Gridder *masterPtr;
     SlotInfo *slotPtr = NULL;
-    int slot;		/* the column or row number */
-    size_t length;		/* the # of chars in the "-option" string */
+    int slot;			/* the column or row number */
     int slotType;		/* COLUMN or ROW */
-    int size;		/* the configuration value */
+    int size;			/* the configuration value */
     int checkOnly;		/* check the size only */
-    int argcPtr;		/* Number of items in index list */
-    char **argvPtr;		/* array of indeces */
-    char **indexP;		/* String value of current index list item. */
+    int lObjc;			/* Number of items in index list */
+    Tcl_Obj **lObjv;		/* array of indices */
     int ok;			/* temporary TCL result code */
-    int i;
-    char c;
+    int i, j;
+    char *string;
+    static char *optionStrings[] = {
+	"-minsize", "-pad", "-weight", (char *) NULL };
+    enum options { ROWCOL_MINSIZE, ROWCOL_PAD, ROWCOL_WEIGHT };
+    int index;
     
-    if (((argc%2 != 0) && (argc>6)) || (argc < 4)) {
-	Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-		" ", argv[1], " master index ?-option value...?\"",
-		(char *)NULL);
+    if (((objc % 2 != 0) && (objc > 6)) || (objc < 4)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "master index ?-option value...?");
 	return TCL_ERROR;
     }
     
-    master = Tk_NameToWindow(interp, argv[2], tkwin);
-    if (master == NULL) {
+    if (TkGetWindowFromObj(interp, tkwin, objv[2], &master) != TCL_OK) {
 	return TCL_ERROR;
     }
     
-    if (Tcl_SplitList(interp, argv[3], &argcPtr, &argvPtr) != TCL_OK) {
+    if (Tcl_ListObjGetElements(interp, objv[3], &lObjc, &lObjv) != TCL_OK) {
 	return TCL_ERROR;
     }
     
-    c = argv[1][0];
-    checkOnly = ((argc == 4) || (argc == 5));
+    string = Tcl_GetString(objv[1]);
+    checkOnly = ((objc == 4) || (objc == 5));
     masterPtr = GetGrid(master);
-    slotType = (c == 'c') ? COLUMN : ROW;
-    if (checkOnly && argcPtr > 1) {
-	Tcl_AppendResult(interp, argv[3],
+    slotType = (*string == 'c') ? COLUMN : ROW;
+    if (checkOnly && lObjc > 1) {
+	Tcl_AppendResult(interp, Tcl_GetString(objv[3]),
 		" must be a single element.", (char *) NULL);
-	Tcl_Free((char *)argvPtr);
 	return TCL_ERROR;
     }
-    for (indexP=argvPtr; *indexP != NULL; indexP++) {
-	if (Tcl_GetInt(interp, *indexP, &slot) != TCL_OK) {
-	    Tcl_Free((char *)argvPtr);
+    for (j = 0; j < lObjc; j++) {
+	if (Tcl_GetIntFromObj(interp, lObjv[j], &slot) != TCL_OK) {
 	    return TCL_ERROR;
 	}
 	ok = CheckSlotData(masterPtr, slot, slotType, checkOnly);
-	if ((ok!=TCL_OK) && ((argc<4) || (argc>5))) {
-	    Tcl_AppendResult(interp, argv[0],
-		    " ", argv[1], ": \"", *argvPtr,"\" is out of range",
-		    (char *) NULL);
-	    Tcl_Free((char *)argvPtr);
+	if ((ok != TCL_OK) && ((objc < 4) || (objc > 5))) {
+	    Tcl_AppendResult(interp, Tcl_GetString(objv[0]), " ", 
+		    Tcl_GetString(objv[1]), ": \"", Tcl_GetString(lObjv[j]),
+		    "\" is out of range", (char *) NULL);
 	    return TCL_ERROR;
 	} else if (ok == TCL_OK) {
 	    slotPtr = (slotType == COLUMN) ?
-		masterPtr->masterDataPtr->columnPtr :
-		masterPtr->masterDataPtr->rowPtr;
+		    masterPtr->masterDataPtr->columnPtr :
+		    masterPtr->masterDataPtr->rowPtr;
 	}
 	
 	/*
@@ -897,21 +875,27 @@ GridRowColumnConfigureCommand(tkwin, interp, argc, argv)
 	 * request is out of range, return all 0's.
 	 */
 	
-	if (argc == 4) {
-	    Tcl_Free((char *)argvPtr);
-	}
-	if ((argc == 4) && (ok == TCL_OK)) {
-	    char buf[64 + TCL_INTEGER_SPACE * 3];
+	if (objc == 4) {
+	    int minsize = 0, pad = 0, weight = 0;
+	    Tcl_Obj *res = Tcl_NewListObj(0, NULL);
+	 
+	    if (ok == TCL_OK) {
+		minsize = slotPtr[slot].minSize;
+		pad     = slotPtr[slot].pad;
+		weight  = slotPtr[slot].weight;
+	    }
 	    
-	    sprintf(buf, "-minsize %d -pad %d -weight %d",
-		    slotPtr[slot].minSize,slotPtr[slot].pad,
-		    slotPtr[slot].weight);
-	    Tcl_SetResult(interp, buf, TCL_VOLATILE);
-	    return (TCL_OK);
-	} else if (argc == 4) {
-	    Tcl_SetResult(interp, "-minsize 0 -pad 0 -weight 0",
-		    TCL_STATIC);
-	    return (TCL_OK);
+	    Tcl_ListObjAppendElement(interp, res,
+		    Tcl_NewStringObj("-minsize", -1));
+	    Tcl_ListObjAppendElement(interp, res, Tcl_NewIntObj(minsize));
+	    Tcl_ListObjAppendElement(interp, res,
+		    Tcl_NewStringObj("-pad", -1));
+	    Tcl_ListObjAppendElement(interp, res, Tcl_NewIntObj(pad));
+	    Tcl_ListObjAppendElement(interp, res,
+		    Tcl_NewStringObj("-weight", -1));
+	    Tcl_ListObjAppendElement(interp, res, Tcl_NewIntObj(weight));
+	    Tcl_SetObjResult(interp, res);
+	    return TCL_OK;
 	}
 	
 	/*
@@ -920,89 +904,64 @@ GridRowColumnConfigureCommand(tkwin, interp, argc, argv)
 	 * current value is returned.
 	 */
 	
-	for (i=4; i<argc; i+=2) {
-	    length = strlen(argv[i]);
-	    if ((*argv[i] != '-') || length < 2) {
-		Tcl_AppendResult(interp, "invalid arg \"", argv[i],
-			"\" :expecting -minsize, -pad, or -weight.",
-			(char *) NULL);
-		Tcl_Free((char *)argvPtr);
+	for (i = 4; i < objc; i += 2) {
+	    if (Tcl_GetIndexFromObj(interp, objv[i], optionStrings, "option", 0,
+		    &index) != TCL_OK) {
 		return TCL_ERROR;
 	    }
-	    if (strncmp(argv[i], "-minsize", length) == 0) {
-		if (argc == 5) {
-		    char buf[TCL_INTEGER_SPACE];
-		    int value;
-		    
-		    value = (ok == TCL_OK) ? slotPtr[slot].minSize : 0;
-		    sprintf(buf, "%d", value);
-		    Tcl_SetResult(interp, buf, TCL_VOLATILE);
-		} else if (Tk_GetPixels(interp, master, argv[i+1], &size)
+	    if (index == ROWCOL_MINSIZE) {
+		if (objc == 5) {
+		    Tcl_SetObjResult(interp, Tcl_NewIntObj(
+			    (ok == TCL_OK) ? slotPtr[slot].minSize : 0));
+		} else if (Tk_GetPixelsFromObj(interp, master, objv[i+1], &size)
 			!= TCL_OK) {
-		    Tcl_Free((char *)argvPtr);
 		    return TCL_ERROR;
 		} else {
 		    slotPtr[slot].minSize = size;
 		}
 	    }
-	    else if (strncmp(argv[i], "-weight", length) == 0) {
+	    else if (index == ROWCOL_WEIGHT) {
 		int wt;
-		if (argc == 5) {
-		    char buf[TCL_INTEGER_SPACE];
-		    int value;
-		    
-		    value = (ok == TCL_OK) ? slotPtr[slot].weight : 0;
-		    sprintf(buf, "%d", value);
-		    Tcl_SetResult(interp, buf, TCL_VOLATILE);
-		} else if (Tcl_GetInt(interp, argv[i+1], &wt) != TCL_OK) {
-		    Tcl_Free((char *)argvPtr);
+		if (objc == 5) {
+		    Tcl_SetObjResult(interp, Tcl_NewIntObj(
+			    (ok == TCL_OK) ? slotPtr[slot].weight : 0));
+		} else if (Tcl_GetIntFromObj(interp, objv[i+1], &wt)
+			!= TCL_OK) {
 		    return TCL_ERROR;
 		} else if (wt < 0) {
-		    Tcl_AppendResult(interp, "invalid arg \"", argv[i],
+		    Tcl_AppendResult(interp, "invalid arg \"",
+			    Tcl_GetString(objv[i]),
 			    "\": should be non-negative", (char *) NULL);
-		    Tcl_Free((char *)argvPtr);
 		    return TCL_ERROR;
 		} else {
 		    slotPtr[slot].weight = wt;
 		}
 	    }
-	    else if (strncmp(argv[i], "-pad", length) == 0) {
-		if (argc == 5) {
-		    char buf[TCL_INTEGER_SPACE];
-		    int value;
-		    
-		    value = (ok == TCL_OK) ? slotPtr[slot].pad : 0;
-		    sprintf(buf, "%d", value);
-		    Tcl_SetResult(interp, buf, TCL_VOLATILE);
-		} else if (Tk_GetPixels(interp, master, argv[i+1], &size)
+	    else if (index == ROWCOL_PAD) {
+		if (objc == 5) {
+		    Tcl_SetObjResult(interp, Tcl_NewIntObj(
+			    (ok == TCL_OK) ? slotPtr[slot].pad : 0));
+		} else if (Tk_GetPixelsFromObj(interp, master, objv[i+1], &size)
 			!= TCL_OK) {
-		    Tcl_Free((char *)argvPtr);
 		    return TCL_ERROR;
 		} else if (size < 0) {
-		    Tcl_AppendResult(interp, "invalid arg \"", argv[i],
+		    Tcl_AppendResult(interp, "invalid arg \"", 
+			    Tcl_GetString(objv[i]),
 			    "\": should be non-negative", (char *) NULL);
-		    Tcl_Free((char *)argvPtr);
 		    return TCL_ERROR;
 		} else {
 		    slotPtr[slot].pad = size;
 		}
-	    } else {
-		Tcl_AppendResult(interp, "invalid arg \"",
-			argv[i], "\": expecting -minsize, -pad, or -weight.",
-			(char *) NULL);
-		Tcl_Free((char *)argvPtr);
-		return TCL_ERROR;
 	    }
 	}
     }
-    Tcl_Free((char *)argvPtr);
     
     /*
      * If we changed a property, re-arrange the table,
      * and check for constraint shrinkage.
      */
     
-    if (argc != 5) {
+    if (objc != 5) {
 	if (slotType == ROW) {
 	    int last = masterPtr->masterDataPtr->rowMax - 1;
 	    while ((last >= 0) && (slotPtr[last].weight == 0)
@@ -1050,38 +1009,34 @@ GridRowColumnConfigureCommand(tkwin, interp, argc, argv)
  */
 
 static int
-GridSizeCommand(tkwin, interp, argc, argv)
+GridSizeCommand(tkwin, interp, objc, objv)
     Tk_Window tkwin;		/* Main window of the application. */
     Tcl_Interp *interp;		/* Current interpreter. */
-    int argc;			/* Number of arguments. */
-    char **argv;		/* Argument strings. */
+    int objc;			/* Number of arguments. */
+    Tcl_Obj *CONST objv[];	/* Argument objects. */
 {
     Tk_Window master;
     Gridder *masterPtr;
     GridMaster *gridPtr;	/* pointer to grid data */
     
-    if (argc != 3) {
-	Tcl_AppendResult(interp, "wrong # args: should be \"",
-		argv[0], " size window\"", (char *) NULL);
+    if (objc != 3) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window");
 	return TCL_ERROR;
     }
-    master = Tk_NameToWindow(interp, argv[2], tkwin);
-    if (master == NULL) {
+
+    if (TkGetWindowFromObj(interp, tkwin, objv[2], &master) != TCL_OK) {
 	return TCL_ERROR;
     }
     masterPtr = GetGrid(master);
     
     if (masterPtr->masterDataPtr != NULL) {
-	char buf[TCL_INTEGER_SPACE * 2];
-	
 	SetGridSize(masterPtr);
 	gridPtr = masterPtr->masterDataPtr;
-	sprintf(buf, "%d %d",
+	Tcl_SetObjResult(interp, NewPairObj(interp,
 		MAX(gridPtr->columnEnd, gridPtr->columnMax),
-		MAX(gridPtr->rowEnd, gridPtr->rowMax));
-	Tcl_SetResult(interp, buf, TCL_VOLATILE);
+		MAX(gridPtr->rowEnd, gridPtr->rowMax)));
     } else {
-	Tcl_SetResult(interp, "0 0", TCL_STATIC);
+	Tcl_SetObjResult(interp, NewPairObj(interp, 0, 0));
     }
     return TCL_OK;
 }
@@ -1105,61 +1060,55 @@ GridSizeCommand(tkwin, interp, argc, argv)
  */
 
 static int
-GridSlavesCommand(tkwin, interp, argc, argv)
+GridSlavesCommand(tkwin, interp, objc, objv)
     Tk_Window tkwin;		/* Main window of the application. */
     Tcl_Interp *interp;		/* Current interpreter. */
-    int argc;			/* Number of arguments. */
-    char **argv;		/* Argument strings. */
+    int objc;			/* Number of arguments. */
+    Tcl_Obj *CONST objv[];	/* Argument objects. */
 {
     Tk_Window master;
     Gridder *masterPtr;		/* master grid record */
     Gridder *slavePtr;
     int i, value;
-    size_t length;
     int row = -1, column = -1;
+    static char *optionStrings[] = {
+	"-column", "-row", (char *) NULL };
+    enum options { SLAVES_COLUMN, SLAVES_ROW };
+    int index;
+    Tcl_Obj *res;
     
-    if ((argc < 3) || ((argc%2) == 0)) {
-	Tcl_AppendResult(interp, "wrong # args: should be \"",
-		argv[0], " slaves window ?-option value...?\"",
-		(char *) NULL);
+    if ((objc < 3) || ((objc % 2) == 0)) {
+	Tcl_WrongNumArgs(interp, 2, objv, "window ?-option value...?");
 	return TCL_ERROR;
     }
     
-    for (i=3; i<argc; i+=2) {
-	length = strlen(argv[i]);
-	if ((*argv[i] != '-') || (length < 2)) {
-	    Tcl_AppendResult(interp, "invalid args: should be \"",
-		    argv[0], " slaves window ?-option value...?\"",
-		    (char *) NULL);
+    for (i = 3; i < objc; i += 2) {
+	if (Tcl_GetIndexFromObj(interp, objv[i], optionStrings, "option", 0,
+		&index) != TCL_OK) {
 	    return TCL_ERROR;
 	}
-	if (Tcl_GetInt(interp, argv[i+1], &value) != TCL_OK) {
+	if (Tcl_GetIntFromObj(interp, objv[i+1], &value) != TCL_OK) {
 	    return TCL_ERROR;
 	}
 	if (value < 0) {
-	    Tcl_AppendResult(interp, argv[i],
+	    Tcl_AppendResult(interp, Tcl_GetString(objv[i]),
 		    " is an invalid value: should NOT be < 0",
 		    (char *) NULL);
 	    return TCL_ERROR;
 	}
-	if (strncmp(argv[i], "-column", length) == 0) {
+	if (index == SLAVES_COLUMN) {
 	    column = value;
-	} else if (strncmp(argv[i], "-row", length) == 0) {
-	    row = value;
 	} else {
-	    Tcl_AppendResult(interp, argv[i],
-		    " is an invalid option: should be \"",
-		    "-row, -column\"",
-		    (char *) NULL);
-	    return TCL_ERROR;
+	    row = value;
 	}
     }
-    master = Tk_NameToWindow(interp, argv[2], tkwin);
-    if (master == NULL) {
+
+    if (TkGetWindowFromObj(interp, tkwin, objv[2], &master) != TCL_OK) {
 	return TCL_ERROR;
     }
     masterPtr = GetGrid(master);
-    
+
+    res = Tcl_NewListObj(0, NULL);
     for (slavePtr = masterPtr->slavePtr; slavePtr != NULL;
 	 slavePtr = slavePtr->nextPtr) {
 	if (column>=0 && (slavePtr->column > column
@@ -1170,8 +1119,10 @@ GridSlavesCommand(tkwin, interp, argc, argv)
 		slavePtr->row+slavePtr->numRows-1 < row)) {
 	    continue;
 	}
-	Tcl_AppendElement(interp, Tk_PathName(slavePtr->tkwin));
+	Tcl_ListObjAppendElement(interp, res,
+		Tcl_NewStringObj(Tk_PathName(slavePtr->tkwin), -1));
     }
+    Tcl_SetObjResult(interp, res);
     return TCL_OK;
 }
 
@@ -2418,12 +2369,12 @@ GridStructureProc(clientData, eventPtr)
  */
 
 static int
-ConfigureSlaves(interp, tkwin, argc, argv)
+ConfigureSlaves(interp, tkwin, objc, objv)
     Tcl_Interp *interp;		/* Interpreter for error reporting. */
     Tk_Window tkwin;		/* Any window in application containing
 				 * slaves.  Used to look up slave names. */
-    int argc;			/* Number of elements in argv. */
-    char *argv[];		/* Argument strings:  contains one or more
+    int objc;			/* Number of elements in argv. */
+    Tcl_Obj *CONST objv[];	/* Argument objects: contains one or more
 				 * window names followed by any number
 				 * of "option value" pairs.  Caller must
 				 * make sure that there is at least one
@@ -2432,7 +2383,7 @@ ConfigureSlaves(interp, tkwin, argc, argv)
     Gridder *masterPtr;
     Gridder *slavePtr;
     Tk_Window other, slave, parent, ancestor;
-    int i, j, c, tmp;
+    int i, j, tmp;
     size_t length;
     int numWindows;
     int width;
@@ -2440,30 +2391,48 @@ ConfigureSlaves(interp, tkwin, argc, argv)
     int defaultColumnSpan = 1;	/* default number of columns */
     char *lastWindow;		/* use this window to base current
 				 * Row/col on */
+    static char *optionStrings[] = {
+	"-column", "-columnspan", "-in", "-ipadx", "-ipady",
+	"-padx", "-pady", "-row", "-rowspan", "-sticky",
+	(char *) NULL };
+    enum options {
+	CONF_COLUMN, CONF_COLUMNSPAN, CONF_IN, CONF_IPADX, CONF_IPADY,
+	CONF_PADX, CONF_PADY, CONF_ROW, CONF_ROWSPAN, CONF_STICKY };
+    int index;
+    char *string;
+    char firstChar, prevChar;
 
     /*
      * Count the number of windows, or window short-cuts.
      */
 
-    for(numWindows=i=0;i<argc;i++) {
-    	char firstChar = *argv[i];
+    firstChar = 0;
+    for (numWindows = i = 0; i < objc; i++) {
+	prevChar = firstChar;
+	string = Tcl_GetStringFromObj(objv[i], &length);
+    	firstChar = string[0];
+	
 	if (firstChar == '.') {
 	    numWindows++;
 	    continue;
     	}
-    	length = strlen(argv[i]);
+	if (length > 1 && i == 0) {
+	    Tcl_AppendResult(interp, "bad argument \"", string,
+		    "\": must be name of window", (char *) NULL);
+	    return TCL_ERROR;
+	}
     	if (length > 1 && firstChar == '-') {
 	    break;
 	}
 	if (length > 1) {
 	    Tcl_AppendResult(interp, "unexpected parameter, \"",
-		    argv[i], "\", in configure list. ",
+		    string, "\", in configure list. ",
 		    "Should be window name or option", (char *) NULL);
 	    return TCL_ERROR;
 	}
 
 	if ((firstChar == REL_HORIZ) && ((numWindows == 0) ||
-		(*argv[i-1] == REL_SKIP) || (*argv[i-1] == REL_VERT))) {
+		(prevChar == REL_SKIP) || (prevChar == REL_VERT))) {
 	    Tcl_AppendResult(interp,
 		    "Must specify window before shortcut '-'.",
 		    (char *) NULL);
@@ -2476,12 +2445,12 @@ ConfigureSlaves(interp, tkwin, argc, argv)
 	}
 
 	Tcl_AppendResult(interp, "invalid window shortcut, \"",
-		argv[i], "\" should be '-', 'x', or '^'", (char *) NULL);
+		string, "\" should be '-', 'x', or '^'", (char *) NULL);
 	return TCL_ERROR;
     }
     numWindows = i;
 
-    if ((argc-numWindows)&1) {
+    if ((objc - numWindows) & 1) {
 	Tcl_AppendResult(interp, "extra option or",
 		" option with no value", (char *) NULL);
 	return TCL_ERROR;
@@ -2500,7 +2469,8 @@ ConfigureSlaves(interp, tkwin, argc, argv)
 
     masterPtr = NULL;
     for (j = 0; j < numWindows; j++) {
-    	char firstChar = *argv[j];
+	string = Tcl_GetString(objv[j]);
+    	firstChar = string[0];
 
 	/*
 	 * '^' and 'x' cause us to skip a column.  '-' is processed
@@ -2515,19 +2485,20 @@ ConfigureSlaves(interp, tkwin, argc, argv)
 	    continue;
 	}
 
-	for (defaultColumnSpan=1;
-		j + defaultColumnSpan < numWindows &&
-		(*argv[j+defaultColumnSpan] == REL_HORIZ);
+	for (defaultColumnSpan = 1; j + defaultColumnSpan < numWindows;
 		defaultColumnSpan++) {
-	    /* null body */
+	    char *string = Tcl_GetString(objv[j + defaultColumnSpan]);
+	    if (*string != REL_HORIZ) {
+		break;
+	    }
 	}
 
-	slave = Tk_NameToWindow(interp, argv[j], tkwin);
-	if (slave == NULL) {
+	if (TkGetWindowFromObj(interp, tkwin, objv[j], &slave) != TCL_OK) {
 	    return TCL_ERROR;
 	}
+
 	if (Tk_IsTopLevel(slave)) {
-	    Tcl_AppendResult(interp, "can't manage \"", argv[j],
+	    Tcl_AppendResult(interp, "can't manage \"", Tcl_GetString(objv[j]),
 		    "\": it's a top-level window", (char *) NULL);
 	    return TCL_ERROR;
 	}
@@ -2548,38 +2519,34 @@ ConfigureSlaves(interp, tkwin, argc, argv)
 	 * about keeping track of the old state. 
 	 */
 
-	for (i = numWindows; i < argc; i+=2) {
-	    length = strlen(argv[i]);
-	    c = argv[i][1];
-
-	    if (length < 2) {
-		Tcl_AppendResult(interp, "unknown or ambiguous option \"",
-			argv[i], "\": must be ",
-			"-column, -columnspan, -in, -ipadx, -ipady, ",
-			"-padx, -pady, -row, -rowspan, or -sticky",
-			(char *) NULL);
+	for (i = numWindows; i < objc; i += 2) {
+	    if (Tcl_GetIndexFromObj(interp, objv[i], optionStrings, "option", 0,
+		    &index) != TCL_OK) {
 		return TCL_ERROR;
 	    }
-	    if ((c == 'c') && (strncmp(argv[i], "-column", length) == 0)) {
-		if (Tcl_GetInt(interp, argv[i+1], &tmp) != TCL_OK || tmp<0) {
+	    if (index == CONF_COLUMN) {
+		if (Tcl_GetIntFromObj(interp, objv[i+1], &tmp) != TCL_OK ||
+			tmp < 0) {
 		    Tcl_ResetResult(interp);
-		    Tcl_AppendResult(interp, "bad column value \"", argv[i+1],
+		    Tcl_AppendResult(interp, "bad column value \"", 
+			    Tcl_GetString(objv[i+1]),
 			    "\": must be a non-negative integer", (char *)NULL);
 		    return TCL_ERROR;
 		}
 		slavePtr->column = tmp;
-	    } else if ((c == 'c')
-		    && (strncmp(argv[i], "-columnspan", length) == 0)) {
-		if (Tcl_GetInt(interp, argv[i+1], &tmp) != TCL_OK || tmp <= 0) {
+	    } else if (index == CONF_COLUMNSPAN) {
+		if (Tcl_GetIntFromObj(interp, objv[i+1], &tmp) != TCL_OK ||
+			tmp <= 0) {
 		    Tcl_ResetResult(interp);
-		    Tcl_AppendResult(interp, "bad columnspan value \"", argv[i+1],
+		    Tcl_AppendResult(interp, "bad columnspan value \"",
+			    Tcl_GetString(objv[i+1]),
 			    "\": must be a positive integer", (char *)NULL);
 		    return TCL_ERROR;
 		}
 		slavePtr->numCols = tmp;
-	    } else if ((c == 'i') && (strncmp(argv[i], "-in", length) == 0)) {
-		other = Tk_NameToWindow(interp, argv[i+1], tkwin);
-		if (other == NULL) {
+	    } else if (index == CONF_IN) {
+		if (TkGetWindowFromObj(interp, tkwin, objv[i+1], &other) !=
+			TCL_OK) {
 		    return TCL_ERROR;
 		}
 		if (other == slave) {
@@ -2589,74 +2556,70 @@ ConfigureSlaves(interp, tkwin, argc, argv)
 		}
 		masterPtr = GetGrid(other);
 		InitMasterData(masterPtr);
-	    } else if ((c == 'i')
-		    && (strncmp(argv[i], "-ipadx", length) == 0)) {
-		if ((Tk_GetPixels(interp, slave, argv[i+1], &tmp) != TCL_OK)
+	    } else if (index == CONF_IPADX) {
+		if ((Tk_GetPixelsFromObj(interp, slave, objv[i+1], &tmp)
+			!= TCL_OK)
 			|| (tmp < 0)) {
 		    Tcl_ResetResult(interp);
-		    Tcl_AppendResult(interp, "bad ipadx value \"", argv[i+1],
+		    Tcl_AppendResult(interp, "bad ipadx value \"",
+			    Tcl_GetString(objv[i+1]),
 			    "\": must be positive screen distance",
 			    (char *) NULL);
 		    return TCL_ERROR;
 		}
 		slavePtr->iPadX = tmp*2;
-	    } else if ((c == 'i')
-		    && (strncmp(argv[i], "-ipady", length) == 0)) {
-		if ((Tk_GetPixels(interp, slave, argv[i+1], &tmp) != TCL_OK)
-			|| (tmp< 0)) {
+	    } else if (index == CONF_IPADY) {
+		if ((Tk_GetPixelsFromObj(interp, slave, objv[i+1], &tmp)
+			!= TCL_OK)
+			|| (tmp < 0)) {
 		    Tcl_ResetResult(interp);
-		    Tcl_AppendResult(interp, "bad ipady value \"", argv[i+1],
+		    Tcl_AppendResult(interp, "bad ipady value \"",
+			    Tcl_GetString(objv[i+1]),
 			    "\": must be positive screen distance",
 			    (char *) NULL);
 		    return TCL_ERROR;
 		}
 		slavePtr->iPadY = tmp*2;
-	    } else if ((c == 'p')
-		    && (strncmp(argv[i], "-padx", length) == 0)) {
-		if (TkParsePadAmount(interp, tkwin, argv[i+1],
+	    } else if (index == CONF_PADX) {
+		if (TkParsePadAmount(interp, tkwin, objv[i+1],
 			&slavePtr->padLeft, &slavePtr->padX) != TCL_OK) {
 		    return TCL_ERROR;
 		}
-	    } else if ((c == 'p')
-		    && (strncmp(argv[i], "-pady", length) == 0)) {
-		if (TkParsePadAmount(interp, tkwin, argv[i+1],
+	    } else if (index == CONF_PADY) {
+		if (TkParsePadAmount(interp, tkwin, objv[i+1],
 			&slavePtr->padTop, &slavePtr->padY) != TCL_OK) {
 		    return TCL_ERROR;
 		}
-	    } else if ((c == 'r') && (strncmp(argv[i], "-row", length) == 0)) {
-		if (Tcl_GetInt(interp, argv[i+1], &tmp) != TCL_OK || tmp<0) {
+	    } else if (index == CONF_ROW) {
+		if (Tcl_GetIntFromObj(interp, objv[i+1], &tmp) != TCL_OK
+			|| tmp < 0) {
 		    Tcl_ResetResult(interp);
-		    Tcl_AppendResult(interp, "bad grid value \"", argv[i+1],
+		    Tcl_AppendResult(interp, "bad grid value \"",
+			    Tcl_GetString(objv[i+1]),
 			    "\": must be a non-negative integer", (char *)NULL);
 		    return TCL_ERROR;
 		}
 		slavePtr->row = tmp;
-	    } else if ((c == 'r')
-		    && (strncmp(argv[i], "-rowspan", length) == 0)) {
-		if ((Tcl_GetInt(interp, argv[i+1], &tmp) != TCL_OK) || tmp<=0) {
+	    } else if (index == CONF_ROWSPAN) {
+		if ((Tcl_GetIntFromObj(interp, objv[i+1], &tmp) != TCL_OK)
+			|| tmp <= 0) {
 		    Tcl_ResetResult(interp);
-		    Tcl_AppendResult(interp, "bad rowspan value \"", argv[i+1],
+		    Tcl_AppendResult(interp, "bad rowspan value \"",
+			    Tcl_GetString(objv[i+1]),
 			    "\": must be a positive integer", (char *)NULL);
 		    return TCL_ERROR;
 		}
 		slavePtr->numRows = tmp;
-	    } else if ((c == 's')
-		    && strncmp(argv[i], "-sticky", length) == 0) {
-		int sticky = StringToSticky(argv[i+1]);
+	    } else if (index == CONF_STICKY) {
+		int sticky = StringToSticky(Tcl_GetString(objv[i+1]));
 		if (sticky == -1) {
-		    Tcl_AppendResult(interp, "bad stickyness value \"", argv[i+1],
+		    Tcl_AppendResult(interp, "bad stickyness value \"",
+			    Tcl_GetString(objv[i+1]),
 			    "\": must be a string containing n, e, s, and/or w",
 			    (char *)NULL);
 		    return TCL_ERROR;
 		}
 		slavePtr->sticky = sticky;
-	    } else {
-		Tcl_AppendResult(interp, "unknown or ambiguous option \"",
-			argv[i], "\": must be ",
-			"-column, -columnspan, -in, -ipadx, -ipady, ",
-			"-padx, -pady, -row, -rowspan, or -sticky",
-			(char *) NULL);
-		return TCL_ERROR;
 	    }
 	}
 
@@ -2699,7 +2662,7 @@ ConfigureSlaves(interp, tkwin, argc, argv)
 		break;
 	    }
 	    if (Tk_IsTopLevel(ancestor)) {
-		Tcl_AppendResult(interp, "can't put ", argv[j],
+		Tcl_AppendResult(interp, "can't put ", Tcl_GetString(objv[j]),
 			" inside ", Tk_PathName(masterPtr->tkwin),
 			(char *) NULL);
 		Unlink(slavePtr);
@@ -2712,7 +2675,7 @@ ConfigureSlaves(interp, tkwin, argc, argv)
 	 */
 
      	if (masterPtr->masterPtr == slavePtr) {
-	    Tcl_AppendResult(interp, "can't put ", argv[j],
+	    Tcl_AppendResult(interp, "can't put ", Tcl_GetString(objv[j]),
 		    " inside ", Tk_PathName(masterPtr->tkwin),
 		    ", would cause management loop.", 
 		    (char *) NULL);
@@ -2762,10 +2725,13 @@ ConfigureSlaves(interp, tkwin, argc, argv)
 	int match;			/* found a match for the ^ */
 	int lastRow, lastColumn;		/* implied end of table */
 
-    	if (*argv[j] == '.') {
-	    lastWindow = argv[j];
+	string = Tcl_GetString(objv[j]);
+    	firstChar = string[0];
+
+    	if (firstChar == '.') {
+	    lastWindow = string;
 	}
-	if (*argv[j] != REL_VERT) {
+	if (firstChar != REL_VERT) {
 	    continue;
 	}
 
@@ -2776,9 +2742,9 @@ ConfigureSlaves(interp, tkwin, argc, argv)
 	}
 
 	/* Count the number of consecutive ^'s starting from this position */
-	for (width=1; width+j < numWindows && *argv[j+width] == REL_VERT;
-		width++) {
-	    /* Null Body */
+	for (width = 1; width + j < numWindows; width++) {
+	    char *string = Tcl_GetString(objv[j+width]);
+	    if (*string != REL_VERT) break;
 	}
 
 	/*
@@ -2910,3 +2876,59 @@ StringToSticky(string)
     }
     return sticky;
 }
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * NewPairObj --
+ *
+ *	Creates a new list object and fills it with two integer objects.
+ *
+ * Results:
+ *	The newly created list object is returned.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static Tcl_Obj *
+NewPairObj(interp, val1, val2)
+    Tcl_Interp *interp;		/* Current interpreter. */
+    int val1, val2;
+{
+    Tcl_Obj *res = Tcl_NewListObj(0, NULL);
+    Tcl_ListObjAppendElement(interp, res, Tcl_NewIntObj(val1));
+    Tcl_ListObjAppendElement(interp, res, Tcl_NewIntObj(val2));
+    return res;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * NewQuadObj --
+ *
+ *	Creates a new list object and fills it with four integer objects.
+ *
+ * Results:
+ *	The newly created list object is returned.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static Tcl_Obj *
+NewQuadObj(interp, val1, val2, val3, val4)
+    Tcl_Interp *interp;		/* Current interpreter. */
+    int val1, val2, val3, val4;
+{
+    Tcl_Obj *res = Tcl_NewListObj(0, NULL);
+    Tcl_ListObjAppendElement(interp, res, Tcl_NewIntObj(val1));
+    Tcl_ListObjAppendElement(interp, res, Tcl_NewIntObj(val2));
+    Tcl_ListObjAppendElement(interp, res, Tcl_NewIntObj(val3));
+    Tcl_ListObjAppendElement(interp, res, Tcl_NewIntObj(val4));
+    return res;
+}