[GRASS-SVN] r32533 - grass/branches/develbranch_6/visualization/nviz/src

svn_grass at osgeo.org svn_grass at osgeo.org
Tue Aug 5 01:17:18 EDT 2008


Author: neteler
Date: 2008-08-05 01:17:18 -0400 (Tue, 05 Aug 2008)
New Revision: 32533

Modified:
   grass/branches/develbranch_6/visualization/nviz/src/togl.c
   grass/branches/develbranch_6/visualization/nviz/src/togl.h
Log:
restored original files from last source snapshot as not our files

Modified: grass/branches/develbranch_6/visualization/nviz/src/togl.c
===================================================================
--- grass/branches/develbranch_6/visualization/nviz/src/togl.c	2008-08-05 05:14:48 UTC (rev 32532)
+++ grass/branches/develbranch_6/visualization/nviz/src/togl.c	2008-08-05 05:17:18 UTC (rev 32533)
@@ -31,11 +31,11 @@
 #elif defined(TOGL_X11)
 #  include <X11/Xlib.h>
 #  include <X11/Xutil.h>
-#  include <X11/Xatom.h>	/* for XA_RGB_DEFAULT_MAP atom */
+#  include <X11/Xatom.h>        /* for XA_RGB_DEFAULT_MAP atom */
 #  if defined(__vms)
-#    include <X11/StdCmap.h>	/* for XmuLookupStandardColormap */
+#    include <X11/StdCmap.h>    /* for XmuLookupStandardColormap */
 #  else
-#    include <X11/Xmu/StdCmap.h>	/* for XmuLookupStandardColormap */
+#    include <X11/Xmu/StdCmap.h>        /* for XmuLookupStandardColormap */
 #  endif
 #  include <GL/glx.h>
 
@@ -51,7 +51,7 @@
 #  include <AGL/agl.h>
 #  undef Cursor
 #  include "tkMacOSX.h"
-#  include <tkMacOSXInt.h>	/* usa MacDrawable */
+#  include <tkMacOSXInt.h>      /* usa MacDrawable */
 #  include <ApplicationServices/ApplicationServices.h>
 
 #else /* make sure only one platform defined */
@@ -93,7 +93,7 @@
 /* pointer to Tk_SetClassProcs function in the stub table */
 
 static void (*SetClassProcsPtr)
-_ANSI_ARGS_((Tk_Window, Tk_ClassProcs *, ClientData));
+        _ANSI_ARGS_((Tk_Window, Tk_ClassProcs *, ClientData));
 #endif
 
 /* 
@@ -101,19 +101,17 @@
  * (this is needed for Tcl ver =< 8.4a3)
  */
 
-typedef Window(TkClassCreateProc) _ANSI_ARGS_((Tk_Window tkwin,
-					       Window parent,
-					       ClientData instanceData));
-     typedef void (TkClassGeometryProc)
-    _ANSI_ARGS_((ClientData instanceData));
-     typedef void (TkClassModalProc)
-    _ANSI_ARGS_((Tk_Window tkwin, XEvent * eventPtr));
-     typedef struct TkClassProcs
-     {
-	 TkClassCreateProc *createProc;
-	 TkClassGeometryProc *geometryProc;
-	 TkClassModalProc *modalProc;
-     } TkClassProcs;
+typedef Window (TkClassCreateProc) _ANSI_ARGS_((Tk_Window tkwin,
+                Window parent, ClientData instanceData));
+typedef void (TkClassGeometryProc) _ANSI_ARGS_((ClientData instanceData));
+typedef void (TkClassModalProc) _ANSI_ARGS_((Tk_Window tkwin,
+                XEvent *eventPtr));
+typedef struct TkClassProcs
+{
+    TkClassCreateProc *createProc;
+    TkClassGeometryProc *geometryProc;
+    TkClassModalProc *modalProc;
+} TkClassProcs;
 
 
 /* Defaults */
@@ -133,20 +131,19 @@
  * copy of TkWinColormap from tkWinInt.h
  */
 
-     typedef struct
-     {
-	 HPALETTE palette;	/* Palette handle used when drawing. */
-	 UINT size;		/* Number of entries in the palette. */
-	 int stale;		/* 1 if palette needs to be realized, otherwise
-				 * 0.  If the palette is stale, then an idle
-				 * handler is scheduled to realize the palette. */
-	 Tcl_HashTable refCounts;	/* Hash table of palette entry reference counts
-					 * indexed by pixel value. */
-     } TkWinColormap;
+typedef struct
+{
+    HPALETTE palette;           /* Palette handle used when drawing. */
+    UINT    size;               /* Number of entries in the palette. */
+    int     stale;              /* 1 if palette needs to be realized, otherwise
+                                 * 0.  If the palette is stale, then an idle
+                                 * handler is scheduled to realize the palette. */
+    Tcl_HashTable refCounts;    /* Hash table of palette entry reference counts
+                                 * indexed by pixel value. */
+} TkWinColormap;
 
-     static LRESULT(CALLBACK * tkWinChildProc) (HWND hwnd, UINT message,
-						WPARAM wParam,
-						LPARAM lParam) = NULL;
+static  LRESULT(CALLBACK *tkWinChildProc) (HWND hwnd, UINT message,
+        WPARAM wParam, LPARAM lParam) = NULL;
 
 #  define TK_WIN_CHILD_CLASS_NAME "TkChild"
 
@@ -180,129 +177,127 @@
     PropertyChangeMask |	\
     ColormapChangeMask)
 
-     struct Togl
-     {
-	 Togl *Next;		/* next in linked list */
+struct Togl
+{
+    Togl   *Next;               /* next in linked list */
 
 #if defined(TOGL_WGL)
-	 HDC tglGLHdc;		/* Device context of device that OpenGL calls
-				 * will be drawn on */
-	 HGLRC tglGLHglrc;	/* OpenGL rendering context to be made current */
-	 int CiColormapSize;	/* (Maximum) size of colormap in color index
-				 * mode */
+    HDC     tglGLHdc;           /* Device context of device that OpenGL calls
+                                 * will be drawn on */
+    HGLRC   tglGLHglrc;         /* OpenGL rendering context to be made current */
+    int     CiColormapSize;     /* (Maximum) size of colormap in color index
+                                 * mode */
 #elif defined(TOGL_X11)
-	 GLXContext GlCtx;	/* Normal planes GLX context */
+    GLXContext GlCtx;           /* Normal planes GLX context */
 #elif defined(TOGL_AGL_CLASSIC) || defined(TOGL_AGL)
-	 AGLContext aglCtx;
-#endif				/* TOGL_WGL */
+    AGLContext aglCtx;
+#endif                          /* TOGL_WGL */
 
-	 Display *display;	/* X's token for the window's display. */
-	 Tk_Window TkWin;	/* Tk window structure */
-	 Tcl_Interp *Interp;	/* Tcl interpreter */
-	 Tcl_Command widgetCmd;	/* Token for togl's widget command */
+    Display *display;           /* X's token for the window's display. */
+    Tk_Window TkWin;            /* Tk window structure */
+    Tcl_Interp *Interp;         /* Tcl interpreter */
+    Tcl_Command widgetCmd;      /* Token for togl's widget command */
 #ifndef NO_TK_CURSOR
-	 Tk_Cursor Cursor;	/* The widget's cursor */
+    Tk_Cursor Cursor;           /* The widget's cursor */
 #endif
-	 int Width, Height;	/* Dimensions of window */
-	 int SetGrid;		/* positive is grid size for window manager */
-	 int TimerInterval;	/* Time interval for timer in milliseconds */
+    int     Width, Height;      /* Dimensions of window */
+    int     SetGrid;            /* positive is grid size for window manager */
+    int     TimerInterval;      /* Time interval for timer in milliseconds */
 #if (TCL_MAJOR_VERSION * 100 + TCL_MINOR_VERSION) >= 705
-	 Tcl_TimerToken timerHandler;	/* Token for togl's timer handler */
+    Tcl_TimerToken timerHandler;        /* Token for togl's timer handler */
 #else
-	 Tk_TimerToken timerHandler;	/* Token for togl's timer handler */
+    Tk_TimerToken timerHandler; /* Token for togl's timer handler */
 #endif
-	 Bool RgbaFlag;		/* configuration flags (ala GLX parameters) */
-	 int RgbaRed;
-	 int RgbaGreen;
-	 int RgbaBlue;
-	 Bool DoubleFlag;
-	 Bool DepthFlag;
-	 int DepthSize;
-	 Bool AccumFlag;
-	 int AccumRed;
-	 int AccumGreen;
-	 int AccumBlue;
-	 int AccumAlpha;
-	 Bool AlphaFlag;
-	 int AlphaSize;
-	 Bool StencilFlag;
-	 int StencilSize;
-	 Bool PrivateCmapFlag;
-	 Bool OverlayFlag;
-	 Bool StereoFlag;
+    Bool    RgbaFlag;           /* configuration flags (ala GLX parameters) */
+    int     RgbaRed;
+    int     RgbaGreen;
+    int     RgbaBlue;
+    Bool    DoubleFlag;
+    Bool    DepthFlag;
+    int     DepthSize;
+    Bool    AccumFlag;
+    int     AccumRed;
+    int     AccumGreen;
+    int     AccumBlue;
+    int     AccumAlpha;
+    Bool    AlphaFlag;
+    int     AlphaSize;
+    Bool    StencilFlag;
+    int     StencilSize;
+    Bool    PrivateCmapFlag;
+    Bool    OverlayFlag;
+    Bool    StereoFlag;
 #ifdef __sgi
-	 Bool OldStereoFlag;
+    Bool    OldStereoFlag;
 #endif
-	 int AuxNumber;
-	 Bool Indirect;
-	 int PixelFormat;
-	 const char *ShareList;	/* name (ident) of Togl to share dlists with */
-	 const char *ShareContext;	/* name (ident) to share OpenGL context with */
+    int     AuxNumber;
+    Bool    Indirect;
+    int     PixelFormat;
+    const char *ShareList;      /* name (ident) of Togl to share dlists with */
+    const char *ShareContext;   /* name (ident) to share OpenGL context with */
 
-	 const char *Ident;	/* User's identification string */
-	 ClientData Client_Data;	/* Pointer to user data */
+    const char *Ident;          /* User's identification string */
+    ClientData Client_Data;     /* Pointer to user data */
 
-	 Bool UpdatePending;	/* Should normal planes be redrawn? */
+    Bool    UpdatePending;      /* Should normal planes be redrawn? */
 
-	 Togl_Callback *CreateProc;	/* Callback when widget is created */
-	 Togl_Callback *DisplayProc;	/* Callback when widget is rendered */
-	 Togl_Callback *ReshapeProc;	/* Callback when window size changes */
-	 Togl_Callback *DestroyProc;	/* Callback when widget is destroyed */
-	 Togl_Callback *TimerProc;	/* Callback when widget is idle */
+    Togl_Callback *CreateProc;  /* Callback when widget is created */
+    Togl_Callback *DisplayProc; /* Callback when widget is rendered */
+    Togl_Callback *ReshapeProc; /* Callback when window size changes */
+    Togl_Callback *DestroyProc; /* Callback when widget is destroyed */
+    Togl_Callback *TimerProc;   /* Callback when widget is idle */
 
-	 /* Overlay stuff */
+    /* Overlay stuff */
 #if defined(TOGL_X11)
-	 GLXContext OverlayCtx;	/* Overlay planes OpenGL context */
+    GLXContext OverlayCtx;      /* Overlay planes OpenGL context */
 #elif defined(TOGL_WGL)
-	 HGLRC tglGLOverlayHglrc;
-#endif				/* TOGL_X11 */
+    HGLRC   tglGLOverlayHglrc;
+#endif                          /* TOGL_X11 */
 
-	 Window OverlayWindow;	/* The overlay window, or 0 */
-	 Togl_Callback *OverlayDisplayProc;	/* Overlay redraw proc */
-	 Bool OverlayUpdatePending;	/* Should overlay be redrawn? */
-	 Colormap OverlayCmap;	/* colormap for overlay is created */
-	 int OverlayTransparentPixel;	/* transparent pixel */
-	 Bool OverlayIsMapped;
+    Window  OverlayWindow;      /* The overlay window, or 0 */
+    Togl_Callback *OverlayDisplayProc;  /* Overlay redraw proc */
+    Bool    OverlayUpdatePending;       /* Should overlay be redrawn? */
+    Colormap OverlayCmap;       /* colormap for overlay is created */
+    int     OverlayTransparentPixel;    /* transparent pixel */
+    Bool    OverlayIsMapped;
 
-	 /* for DumpToEpsFile: Added by Miguel A. de Riera Pasenau 10.01.1997 */
-	 XVisualInfo *VisInfo;	/* Visual info of the current */
-	 /* context needed for DumpToEpsFile */
-	 GLfloat *EpsRedMap;	/* Index2RGB Maps for Color index modes */
-	 GLfloat *EpsGreenMap;
-	 GLfloat *EpsBlueMap;
-	 GLint EpsMapSize;	/* = Number of indices in our Togl */
-     };
+    /* for DumpToEpsFile: Added by Miguel A. de Riera Pasenau 10.01.1997 */
+    XVisualInfo *VisInfo;       /* Visual info of the current */
+    /* context needed for DumpToEpsFile */
+    GLfloat *EpsRedMap;         /* Index2RGB Maps for Color index modes */
+    GLfloat *EpsGreenMap;
+    GLfloat *EpsBlueMap;
+    GLint   EpsMapSize;         /* = Number of indices in our Togl */
+};
 
 
 /* NTNTNT need to change to handle Windows Data Types */
 /* 
  * Prototypes for functions local to this file
  */
-     static int Togl_Cmd(ClientData clientData, Tcl_Interp * interp,
-			 int argc, CONST84 char **argv);
-     static void Togl_EventProc(ClientData clientData, XEvent * eventPtr);
-     static Window Togl_CreateWindow(Tk_Window, Window, ClientData);
-     static void Togl_WorldChanged(ClientData);
+static int Togl_Cmd(ClientData clientData, Tcl_Interp *interp,
+        int argc, CONST84 char **argv);
+static void Togl_EventProc(ClientData clientData, XEvent *eventPtr);
+static Window Togl_CreateWindow(Tk_Window, Window, ClientData);
+static void Togl_WorldChanged(ClientData);
 
 #ifdef MESA_COLOR_HACK
-     static int get_free_color_cells(Display * display, int screen,
-				     Colormap colormap);
-     static void free_default_color_cells(Display * display,
-					  Colormap colormap);
+static int get_free_color_cells(Display *display, int screen,
+        Colormap colormap);
+static void free_default_color_cells(Display *display, Colormap colormap);
 #endif
-     static void ToglCmdDeletedProc(ClientData);
+static void ToglCmdDeletedProc(ClientData);
 
 
 
 #if defined(__sgi)
 /* SGI-only stereo */
-     static void oldStereoMakeCurrent(Display * dpy, Window win,
-				      GLXContext ctx);
-     static void oldStereoInit(Togl * togl, int stereoEnabled);
+static void oldStereoMakeCurrent(Display *dpy, Window win, GLXContext ctx);
+static void oldStereoInit(Togl *togl, int stereoEnabled);
 #endif
 
 #if defined(TOGL_AGL_CLASSIC) || defined(TOGL_AGL)
-     static void SetMacBufRect(Togl * togl);
+static void SetMacBufRect(Togl *togl);
 #endif
 
 
@@ -310,114 +305,109 @@
  * Setup Togl widget configuration options:
  */
 
-     static Tk_ConfigSpec configSpecs[] = {
-	 {TK_CONFIG_PIXELS, TCL_STUPID "-height", "height", "Height",
-	  DEFAULT_HEIGHT, Tk_Offset(Togl, Height), 0, NULL},
+static Tk_ConfigSpec configSpecs[] = {
+    {TK_CONFIG_PIXELS, TCL_STUPID "-height", "height", "Height",
+            DEFAULT_HEIGHT, Tk_Offset(Togl, Height), 0, NULL},
 
-	 {TK_CONFIG_PIXELS, TCL_STUPID "-width", "width", "Width",
-	  DEFAULT_WIDTH, Tk_Offset(Togl, Width), 0, NULL},
+    {TK_CONFIG_PIXELS, TCL_STUPID "-width", "width", "Width",
+            DEFAULT_WIDTH, Tk_Offset(Togl, Width), 0, NULL},
 
-	 {TK_CONFIG_INT, TCL_STUPID "-setgrid", "setGrid", "SetGrid",
-	  "0", Tk_Offset(Togl, SetGrid), 0},
+    {TK_CONFIG_INT, TCL_STUPID "-setgrid", "setGrid", "SetGrid",
+            "0", Tk_Offset(Togl, SetGrid), 0},
 
-	 {TK_CONFIG_BOOLEAN, TCL_STUPID "-rgba", "rgba", "Rgba",
-	  "true", Tk_Offset(Togl, RgbaFlag), 0, NULL},
+    {TK_CONFIG_BOOLEAN, TCL_STUPID "-rgba", "rgba", "Rgba",
+            "true", Tk_Offset(Togl, RgbaFlag), 0, NULL},
 
-	 {TK_CONFIG_INT, TCL_STUPID "-redsize", "redsize", "RedSize",
-	  "1", Tk_Offset(Togl, RgbaRed), 0, NULL},
+    {TK_CONFIG_INT, TCL_STUPID "-redsize", "redsize", "RedSize",
+            "1", Tk_Offset(Togl, RgbaRed), 0, NULL},
 
-	 {TK_CONFIG_INT, TCL_STUPID "-greensize", "greensize", "GreenSize",
-	  "1", Tk_Offset(Togl, RgbaGreen), 0, NULL},
+    {TK_CONFIG_INT, TCL_STUPID "-greensize", "greensize", "GreenSize",
+            "1", Tk_Offset(Togl, RgbaGreen), 0, NULL},
 
-	 {TK_CONFIG_INT, TCL_STUPID "-bluesize", "bluesize", "BlueSize",
-	  "1", Tk_Offset(Togl, RgbaBlue), 0, NULL},
+    {TK_CONFIG_INT, TCL_STUPID "-bluesize", "bluesize", "BlueSize",
+            "1", Tk_Offset(Togl, RgbaBlue), 0, NULL},
 
-	 {TK_CONFIG_BOOLEAN, TCL_STUPID "-double", "double", "Double",
-	  "false", Tk_Offset(Togl, DoubleFlag), 0, NULL},
+    {TK_CONFIG_BOOLEAN, TCL_STUPID "-double", "double", "Double",
+            "false", Tk_Offset(Togl, DoubleFlag), 0, NULL},
 
-	 {TK_CONFIG_BOOLEAN, TCL_STUPID "-depth", "depth", "Depth",
-	  "false", Tk_Offset(Togl, DepthFlag), 0, NULL},
+    {TK_CONFIG_BOOLEAN, TCL_STUPID "-depth", "depth", "Depth",
+            "false", Tk_Offset(Togl, DepthFlag), 0, NULL},
 
-	 {TK_CONFIG_INT, TCL_STUPID "-depthsize", "depthsize", "DepthSize",
-	  "1", Tk_Offset(Togl, DepthSize), 0, NULL},
+    {TK_CONFIG_INT, TCL_STUPID "-depthsize", "depthsize", "DepthSize",
+            "1", Tk_Offset(Togl, DepthSize), 0, NULL},
 
-	 {TK_CONFIG_BOOLEAN, TCL_STUPID "-accum", "accum", "Accum",
-	  "false", Tk_Offset(Togl, AccumFlag), 0, NULL},
+    {TK_CONFIG_BOOLEAN, TCL_STUPID "-accum", "accum", "Accum",
+            "false", Tk_Offset(Togl, AccumFlag), 0, NULL},
 
-	 {TK_CONFIG_INT, TCL_STUPID "-accumredsize", "accumredsize",
-	  "AccumRedSize",
-	  "1", Tk_Offset(Togl, AccumRed), 0, NULL},
+    {TK_CONFIG_INT, TCL_STUPID "-accumredsize", "accumredsize", "AccumRedSize",
+            "1", Tk_Offset(Togl, AccumRed), 0, NULL},
 
-	 {TK_CONFIG_INT, TCL_STUPID "-accumgreensize", "accumgreensize",
-	  "AccumGreenSize",
-	  "1", Tk_Offset(Togl, AccumGreen), 0, NULL},
+    {TK_CONFIG_INT, TCL_STUPID "-accumgreensize", "accumgreensize",
+                "AccumGreenSize",
+            "1", Tk_Offset(Togl, AccumGreen), 0, NULL},
 
-	 {TK_CONFIG_INT, TCL_STUPID "-accumbluesize", "accumbluesize",
-	  "AccumBlueSize",
-	  "1", Tk_Offset(Togl, AccumBlue), 0, NULL},
+    {TK_CONFIG_INT, TCL_STUPID "-accumbluesize", "accumbluesize",
+                "AccumBlueSize",
+            "1", Tk_Offset(Togl, AccumBlue), 0, NULL},
 
-	 {TK_CONFIG_INT, TCL_STUPID "-accumalphasize", "accumalphasize",
-	  "AccumAlphaSize",
-	  "1", Tk_Offset(Togl, AccumAlpha), 0, NULL},
+    {TK_CONFIG_INT, TCL_STUPID "-accumalphasize", "accumalphasize",
+                "AccumAlphaSize",
+            "1", Tk_Offset(Togl, AccumAlpha), 0, NULL},
 
-	 {TK_CONFIG_BOOLEAN, TCL_STUPID "-alpha", "alpha", "Alpha",
-	  "false", Tk_Offset(Togl, AlphaFlag), 0, NULL},
+    {TK_CONFIG_BOOLEAN, TCL_STUPID "-alpha", "alpha", "Alpha",
+            "false", Tk_Offset(Togl, AlphaFlag), 0, NULL},
 
-	 {TK_CONFIG_INT, TCL_STUPID "-alphasize", "alphasize", "AlphaSize",
-	  "1", Tk_Offset(Togl, AlphaSize), 0, NULL},
+    {TK_CONFIG_INT, TCL_STUPID "-alphasize", "alphasize", "AlphaSize",
+            "1", Tk_Offset(Togl, AlphaSize), 0, NULL},
 
-	 {TK_CONFIG_BOOLEAN, TCL_STUPID "-stencil", "stencil", "Stencil",
-	  "false", Tk_Offset(Togl, StencilFlag), 0, NULL},
+    {TK_CONFIG_BOOLEAN, TCL_STUPID "-stencil", "stencil", "Stencil",
+            "false", Tk_Offset(Togl, StencilFlag), 0, NULL},
 
-	 {TK_CONFIG_INT, TCL_STUPID "-stencilsize", "stencilsize",
-	  "StencilSize",
-	  "1", Tk_Offset(Togl, StencilSize), 0, NULL},
+    {TK_CONFIG_INT, TCL_STUPID "-stencilsize", "stencilsize", "StencilSize",
+            "1", Tk_Offset(Togl, StencilSize), 0, NULL},
 
-	 {TK_CONFIG_INT, TCL_STUPID "-auxbuffers", "auxbuffers", "AuxBuffers",
-	  "0", Tk_Offset(Togl, AuxNumber), 0, NULL},
+    {TK_CONFIG_INT, TCL_STUPID "-auxbuffers", "auxbuffers", "AuxBuffers",
+            "0", Tk_Offset(Togl, AuxNumber), 0, NULL},
 
-	 {TK_CONFIG_BOOLEAN, TCL_STUPID "-privatecmap", "privateCmap",
-	  "PrivateCmap",
-	  "false", Tk_Offset(Togl, PrivateCmapFlag), 0, NULL},
+    {TK_CONFIG_BOOLEAN, TCL_STUPID "-privatecmap", "privateCmap", "PrivateCmap",
+            "false", Tk_Offset(Togl, PrivateCmapFlag), 0, NULL},
 
-	 {TK_CONFIG_BOOLEAN, TCL_STUPID "-overlay", "overlay", "Overlay",
-	  "false", Tk_Offset(Togl, OverlayFlag), 0, NULL},
+    {TK_CONFIG_BOOLEAN, TCL_STUPID "-overlay", "overlay", "Overlay",
+            "false", Tk_Offset(Togl, OverlayFlag), 0, NULL},
 
-	 {TK_CONFIG_BOOLEAN, TCL_STUPID "-stereo", "stereo", "Stereo",
-	  "false", Tk_Offset(Togl, StereoFlag), 0, NULL},
+    {TK_CONFIG_BOOLEAN, TCL_STUPID "-stereo", "stereo", "Stereo",
+            "false", Tk_Offset(Togl, StereoFlag), 0, NULL},
 
 #ifdef __sgi
-	 {TK_CONFIG_BOOLEAN, TCL_STUPID "-oldstereo", "oldstereo",
-	  "OldStereo",
-	  "false", Tk_Offset(Togl, OldStereoFlag), 0, NULL},
+    {TK_CONFIG_BOOLEAN, TCL_STUPID "-oldstereo", "oldstereo", "OldStereo",
+            "false", Tk_Offset(Togl, OldStereoFlag), 0, NULL},
 #endif
 
 #ifndef NO_TK_CURSOR
-	 {TK_CONFIG_ACTIVE_CURSOR, TCL_STUPID "-cursor", "cursor", "Cursor",
-	  "", Tk_Offset(Togl, Cursor), TK_CONFIG_NULL_OK},
+    {TK_CONFIG_ACTIVE_CURSOR, TCL_STUPID "-cursor", "cursor", "Cursor",
+            "", Tk_Offset(Togl, Cursor), TK_CONFIG_NULL_OK},
 #endif
 
-	 {TK_CONFIG_INT, TCL_STUPID "-time", "time", "Time",
-	  DEFAULT_TIME, Tk_Offset(Togl, TimerInterval), 0, NULL},
+    {TK_CONFIG_INT, TCL_STUPID "-time", "time", "Time",
+            DEFAULT_TIME, Tk_Offset(Togl, TimerInterval), 0, NULL},
 
-	 {TK_CONFIG_STRING, TCL_STUPID "-sharelist", "sharelist", "ShareList",
-	  NULL, Tk_Offset(Togl, ShareList), 0, NULL},
+    {TK_CONFIG_STRING, TCL_STUPID "-sharelist", "sharelist", "ShareList",
+            NULL, Tk_Offset(Togl, ShareList), 0, NULL},
 
-	 {TK_CONFIG_STRING, TCL_STUPID "-sharecontext", "sharecontext",
-	  "ShareContext", NULL, Tk_Offset(Togl, ShareContext), 0, NULL},
+    {TK_CONFIG_STRING, TCL_STUPID "-sharecontext", "sharecontext",
+            "ShareContext", NULL, Tk_Offset(Togl, ShareContext), 0, NULL},
 
-	 {TK_CONFIG_STRING, TCL_STUPID "-ident", "ident", "Ident",
-	  DEFAULT_IDENT, Tk_Offset(Togl, Ident), 0, NULL},
+    {TK_CONFIG_STRING, TCL_STUPID "-ident", "ident", "Ident",
+            DEFAULT_IDENT, Tk_Offset(Togl, Ident), 0, NULL},
 
-	 {TK_CONFIG_BOOLEAN, TCL_STUPID "-indirect", "indirect", "Indirect",
-	  "false", Tk_Offset(Togl, Indirect), 0, NULL},
+    {TK_CONFIG_BOOLEAN, TCL_STUPID "-indirect", "indirect", "Indirect",
+            "false", Tk_Offset(Togl, Indirect), 0, NULL},
 
-	 {TK_CONFIG_INT, TCL_STUPID "-pixelformat", "pixelFormat",
-	  "PixelFormat",
-	  "0", Tk_Offset(Togl, PixelFormat), 0, NULL},
+    {TK_CONFIG_INT, TCL_STUPID "-pixelformat", "pixelFormat", "PixelFormat",
+            "0", Tk_Offset(Togl, PixelFormat), 0, NULL},
 
-	 {TK_CONFIG_END, NULL, NULL, NULL, NULL, 0, 0, NULL}
-     };
+    {TK_CONFIG_END, NULL, NULL, NULL, NULL, 0, 0, NULL}
+};
 
 
 /* 
@@ -441,7 +431,8 @@
 /* 
  * Add given togl widget to linked list.
  */
-static void AddToList(Togl * t)
+static void
+AddToList(Togl *t)
 {
     t->Next = ToglHead;
     ToglHead = t;
@@ -450,37 +441,38 @@
 /* 
  * Remove given togl widget from linked list.
  */
-static void RemoveFromList(Togl * t)
+static void
+RemoveFromList(Togl *t)
 {
-    Togl *prev = NULL;
-    Togl *pos = ToglHead;
+    Togl   *prev = NULL;
+    Togl   *pos = ToglHead;
 
     while (pos) {
-	if (pos == t) {
-	    if (prev) {
-		prev->Next = pos->Next;
-	    }
-	    else {
-		ToglHead = pos->Next;
-	    }
-	    return;
-	}
-	prev = pos;
-	pos = pos->Next;
+        if (pos == t) {
+            if (prev) {
+                prev->Next = pos->Next;
+            } else {
+                ToglHead = pos->Next;
+            }
+            return;
+        }
+        prev = pos;
+        pos = pos->Next;
     }
 }
 
 /* 
  * Return pointer to togl widget given a user identifier string.
  */
-static Togl *FindTogl(const char *ident)
+static Togl *
+FindTogl(const char *ident)
 {
-    Togl *t = ToglHead;
+    Togl   *t = ToglHead;
 
     while (t) {
-	if (strcmp(t->Ident, ident) == 0)
-	    return t;
-	t = t->Next;
+        if (strcmp(t->Ident, ident) == 0)
+            return t;
+        t = t->Next;
     }
     return NULL;
 }
@@ -490,21 +482,22 @@
 /* 
  * Return pointer to another togl widget with same OpenGL context.
  */
-static Togl *FindToglWithSameContext(Togl * togl)
+static Togl *
+FindToglWithSameContext(Togl *togl)
 {
-    Togl *t;
+    Togl   *t;
 
     for (t = ToglHead; t != NULL; t = t->Next) {
-	if (t == togl)
-	    continue;
+        if (t == togl)
+            continue;
 #  if defined(TOGL_WGL)
-	if (t->tglGLHglrc == togl->tglGLHglrc)
+        if (t->tglGLHglrc == togl->tglGLHglrc)
 #  elif defined(TOGL_X11)
-	if (t->GlCtx == togl->GlCtx)
+        if (t->GlCtx == togl->GlCtx)
 #  elif defined(TOGL_AGL_CLASSIC) || defined(TOGL_AGL)
-	if (t->aglCtx == togl->aglCtx)
+        if (t->aglCtx == togl->aglCtx)
 #  endif
-	    return t;
+            return t;
     }
     return NULL;
 }
@@ -514,19 +507,20 @@
 /* 
  * Return pointer to another togl widget with same OpenGL overlay context.
  */
-static Togl *FindToglWithSameOverlayContext(Togl * togl)
+static Togl *
+FindToglWithSameOverlayContext(Togl *togl)
 {
-    Togl *t;
+    Togl   *t;
 
     for (t = ToglHead; t != NULL; t = t->Next) {
-	if (t == togl)
-	    continue;
+        if (t == togl)
+            continue;
 #  if defined(TOGL_X11)
-	if (t->OverlayCtx == togl->OverlayCtx)
+        if (t->OverlayCtx == togl->OverlayCtx)
 #  elif defined(TOGL_WGL)
-	if (t->tglGLOverlayHglrc == togl->tglGLOverlayHglrc)
+        if (t->tglGLOverlayHglrc == togl->tglGLOverlayHglrc)
 #  endif
-	    return t;
+            return t;
     }
     return NULL;
 }
@@ -541,40 +535,39 @@
  * Return:  an X Colormap or 0 if there's a _serious_ error.
  */
 static Colormap
-get_rgb_colormap(Display * dpy,
-		 int scrnum, const XVisualInfo * visinfo, Tk_Window tkwin)
+get_rgb_colormap(Display *dpy,
+        int scrnum, const XVisualInfo *visinfo, Tk_Window tkwin)
 {
-    Atom hp_cr_maps;
-    Status status;
-    int numCmaps;
-    int i;
+    Atom    hp_cr_maps;
+    Status  status;
+    int     numCmaps;
+    int     i;
     XStandardColormap *standardCmaps;
-    Window root = XRootWindow(dpy, scrnum);
-    Bool using_mesa;
+    Window  root = XRootWindow(dpy, scrnum);
+    Bool    using_mesa;
 
     /* 
      * First check if visinfo's visual matches the default/root visual.
      */
     if (visinfo->visual == Tk_Visual(tkwin)) {
-	/* use the default/root colormap */
-	Colormap cmap;
+        /* use the default/root colormap */
+        Colormap cmap;
 
-	cmap = Tk_Colormap(tkwin);
+        cmap = Tk_Colormap(tkwin);
 #  ifdef MESA_COLOR_HACK
-	(void)get_free_color_cells(dpy, scrnum, cmap);
+        (void) get_free_color_cells(dpy, scrnum, cmap);
 #  endif
-	return cmap;
+        return cmap;
     }
 
     /* 
      * Check if we're using Mesa.
      */
     if (strstr(glXQueryServerString(dpy, scrnum, GLX_VERSION), "Mesa")) {
-	using_mesa = True;
+        using_mesa = True;
+    } else {
+        using_mesa = False;
     }
-    else {
-	using_mesa = False;
-    }
 
     /* 
      * Next, if we're using Mesa and displaying on an HP with the "Color
@@ -583,29 +576,28 @@
      * dither using this colormap.
      */
     if (using_mesa) {
-	hp_cr_maps = XInternAtom(dpy, "_HP_RGB_SMOOTH_MAP_LIST", True);
-	if (hp_cr_maps
+        hp_cr_maps = XInternAtom(dpy, "_HP_RGB_SMOOTH_MAP_LIST", True);
+        if (hp_cr_maps
 #  ifdef __cplusplus
-	    && visinfo->visual->c_class == TrueColor
+                && visinfo->visual->c_class == TrueColor
 #  else
-	    && visinfo->visual->class == TrueColor
+                && visinfo->visual->class == TrueColor
 #  endif
-	    && visinfo->depth == 8) {
-	    status = XGetRGBColormaps(dpy, root, &standardCmaps,
-				      &numCmaps, hp_cr_maps);
-	    if (status) {
-		for (i = 0; i < numCmaps; i++) {
-		    if (standardCmaps[i].visualid ==
-			visinfo->visual->visualid) {
-			Colormap cmap = standardCmaps[i].colormap;
+                && visinfo->depth == 8) {
+            status = XGetRGBColormaps(dpy, root, &standardCmaps,
+                    &numCmaps, hp_cr_maps);
+            if (status) {
+                for (i = 0; i < numCmaps; i++) {
+                    if (standardCmaps[i].visualid == visinfo->visual->visualid) {
+                        Colormap cmap = standardCmaps[i].colormap;
 
-			(void)XFree(standardCmaps);
-			return cmap;
-		    }
-		}
-		(void)XFree(standardCmaps);
-	    }
-	}
+                        (void) XFree(standardCmaps);
+                        return cmap;
+                    }
+                }
+                (void) XFree(standardCmaps);
+            }
+        }
     }
 
     /* 
@@ -614,25 +606,22 @@
 #  if !HP && !SUN
 #    ifndef SOLARIS_BUG
     status = XmuLookupStandardColormap(dpy, visinfo->screen,
-				       visinfo->visualid, visinfo->depth,
-				       XA_RGB_DEFAULT_MAP,
-				       /* replace */ False,
-				       /* retain */
-				       True);
+            visinfo->visualid, visinfo->depth, XA_RGB_DEFAULT_MAP,
+            /* replace */ False, /* retain */ True);
     if (status == 1) {
-	status = XGetRGBColormaps(dpy, root, &standardCmaps,
-				  &numCmaps, XA_RGB_DEFAULT_MAP);
-	if (status == 1) {
-	    for (i = 0; i < numCmaps; i++) {
-		if (standardCmaps[i].visualid == visinfo->visualid) {
-		    Colormap cmap = standardCmaps[i].colormap;
+        status = XGetRGBColormaps(dpy, root, &standardCmaps,
+                &numCmaps, XA_RGB_DEFAULT_MAP);
+        if (status == 1) {
+            for (i = 0; i < numCmaps; i++) {
+                if (standardCmaps[i].visualid == visinfo->visualid) {
+                    Colormap cmap = standardCmaps[i].colormap;
 
-		    (void)XFree(standardCmaps);
-		    return cmap;
-		}
-	    }
-	    (void)XFree(standardCmaps);
-	}
+                    (void) XFree(standardCmaps);
+                    return cmap;
+                }
+            }
+            (void) XFree(standardCmaps);
+        }
     }
 #    endif
 #  endif
@@ -688,58 +677,60 @@
     {0xFF, 0xFF, 0xFF, 0}
 };
 
-static unsigned char ComponentFromIndex(int i, UINT nbits, UINT shift)
+static unsigned char
+ComponentFromIndex(int i, UINT nbits, UINT shift)
 {
     unsigned char val;
 
-    val = (unsigned char)(i >> shift);
+    val = (unsigned char) (i >> shift);
     switch (nbits) {
 
-    case 1:
-	val &= 0x1;
-	return oneto8[val];
+      case 1:
+          val &= 0x1;
+          return oneto8[val];
 
-    case 2:
-	val &= 0x3;
-	return twoto8[val];
+      case 2:
+          val &= 0x3;
+          return twoto8[val];
 
-    case 3:
-	val &= 0x7;
-	return threeto8[val];
+      case 3:
+          val &= 0x7;
+          return threeto8[val];
 
-    default:
-	return 0;
+      default:
+          return 0;
     }
 }
 
-static Colormap Win32CreateRgbColormap(PIXELFORMATDESCRIPTOR pfd)
+static Colormap
+Win32CreateRgbColormap(PIXELFORMATDESCRIPTOR pfd)
 {
-    TkWinColormap *cmap = (TkWinColormap *) ckalloc(sizeof(TkWinColormap));
+    TkWinColormap *cmap = (TkWinColormap *) ckalloc(sizeof (TkWinColormap));
     LOGPALETTE *pPal;
-    int n, i;
+    int     n, i;
 
     n = 1 << pfd.cColorBits;
-    pPal = (PLOGPALETTE) LocalAlloc(LMEM_FIXED, sizeof(LOGPALETTE)
-				    + n * sizeof(PALETTEENTRY));
+    pPal = (PLOGPALETTE) LocalAlloc(LMEM_FIXED, sizeof (LOGPALETTE)
+            + n * sizeof (PALETTEENTRY));
     pPal->palVersion = 0x300;
     pPal->palNumEntries = n;
     for (i = 0; i < n; i++) {
-	pPal->palPalEntry[i].peRed =
-	    ComponentFromIndex(i, pfd.cRedBits, pfd.cRedShift);
-	pPal->palPalEntry[i].peGreen =
-	    ComponentFromIndex(i, pfd.cGreenBits, pfd.cGreenShift);
-	pPal->palPalEntry[i].peBlue =
-	    ComponentFromIndex(i, pfd.cBlueBits, pfd.cBlueShift);
-	pPal->palPalEntry[i].peFlags = 0;
+        pPal->palPalEntry[i].peRed =
+                ComponentFromIndex(i, pfd.cRedBits, pfd.cRedShift);
+        pPal->palPalEntry[i].peGreen =
+                ComponentFromIndex(i, pfd.cGreenBits, pfd.cGreenShift);
+        pPal->palPalEntry[i].peBlue =
+                ComponentFromIndex(i, pfd.cBlueBits, pfd.cBlueShift);
+        pPal->palPalEntry[i].peFlags = 0;
     }
 
     /* fix up the palette to include the default GDI palette */
     if ((pfd.cColorBits == 8)
-	&& (pfd.cRedBits == 3) && (pfd.cRedShift == 0)
-	&& (pfd.cGreenBits == 3) && (pfd.cGreenShift == 3)
-	&& (pfd.cBlueBits == 2) && (pfd.cBlueShift == 6)) {
-	for (i = 1; i <= 12; i++)
-	    pPal->palPalEntry[defaultOverride[i]] = defaultPalEntry[i];
+            && (pfd.cRedBits == 3) && (pfd.cRedShift == 0)
+            && (pfd.cGreenBits == 3) && (pfd.cGreenShift == 3)
+            && (pfd.cBlueBits == 2) && (pfd.cBlueShift == 6)) {
+        for (i = 1; i <= 12; i++)
+            pPal->palPalEntry[defaultOverride[i]] = defaultPalEntry[i];
     }
 
     cmap->palette = CreatePalette(pPal);
@@ -754,13 +745,14 @@
     return (Colormap) cmap;
 }
 
-static Colormap Win32CreateCiColormap(Togl * togl)
+static Colormap
+Win32CreateCiColormap(Togl *togl)
 {
     /* Create a colormap with size of togl->CiColormapSize and set all entries
      * to black */
 
     LOGPALETTE logPalette;
-    TkWinColormap *cmap = (TkWinColormap *) ckalloc(sizeof(TkWinColormap));
+    TkWinColormap *cmap = (TkWinColormap *) ckalloc(sizeof (TkWinColormap));
 
     logPalette.palVersion = 0x300;
     logPalette.palNumEntries = 1;
@@ -771,7 +763,7 @@
 
     cmap->palette = CreatePalette(&logPalette);
     cmap->size = togl->CiColormapSize;
-    ResizePalette(cmap->palette, cmap->size);	/* sets new entries to black */
+    ResizePalette(cmap->palette, cmap->size);   /* sets new entries to black */
     cmap->stale = 0;
 
     /* Since this is a private colormap of a fix size, we do not need a valid
@@ -789,18 +781,19 @@
  *
  *   Called upon system startup to create Togl command.
  */
-int Togl_Init(Tcl_Interp * interp)
+int
+Togl_Init(Tcl_Interp *interp)
 {
-    int major, minor, patchLevel, releaseType;
+    int     major, minor, patchLevel, releaseType;
 
 #ifdef USE_TCL_STUBS
     if (Tcl_InitStubs(interp, "8.1", 0) == NULL) {
-	return TCL_ERROR;
+        return TCL_ERROR;
     }
 #endif
 #ifdef USE_TK_STUBS
     if (Tk_InitStubs(interp, TCL_STUPID "8.1", 0) == NULL) {
-	return TCL_ERROR;
+        return TCL_ERROR;
     }
 #endif
 
@@ -810,37 +803,38 @@
 
 #  ifdef HAVE_TK_SETCLASSPROCS
     if (major > 8
-	|| (major == 8
-	    && (minor > 4
-		|| (minor == 4 && (releaseType > 0 || patchLevel >= 2))))) {
+            || (major == 8
+                    && (minor > 4
+                            || (minor == 4 && (releaseType > 0
+                                            || patchLevel >= 2))))) {
 #    ifdef USE_TK_STUBS
-	SetClassProcsPtr = tkStubsPtr->tk_SetClassProcs;
+        SetClassProcsPtr = tkStubsPtr->tk_SetClassProcs;
 #    else
-	SetClassProcsPtr = Tk_SetClassProcs;
+        SetClassProcsPtr = Tk_SetClassProcs;
 #    endif
+    } else {
+        SetClassProcsPtr = NULL;
     }
-    else {
-	SetClassProcsPtr = NULL;
-    }
 #  else
     if (major > 8
-	|| (major == 8
-	    && (minor > 4
-		|| (minor == 4 && (releaseType > 0 || patchLevel >= 2))))) {
-	TCL_ERR(interp,
-		"Sorry, this instance of Togl was not compiled to work with Tcl/Tk 8.4a2 or higher.");
+            || (major == 8
+                    && (minor > 4
+                            || (minor == 4 && (releaseType > 0
+                                            || patchLevel >= 2))))) {
+        TCL_ERR(interp,
+                "Sorry, this instance of Togl was not compiled to work with Tcl/Tk 8.4a2 or higher.");
     }
 #  endif
 
 #endif
 
     if (Tcl_PkgProvide(interp, "Togl", TOGL_VERSION) != TCL_OK) {
-	return TCL_ERROR;
+        return TCL_ERROR;
     }
 
     if (Tcl_CreateCommand(interp, "togl", Togl_Cmd,
-			  (ClientData) Tk_MainWindow(interp), NULL) == NULL)
-	return TCL_ERROR;
+                    (ClientData) Tk_MainWindow(interp), NULL) == NULL)
+        return TCL_ERROR;
 
     Tcl_InitHashTable(&CommandTable, TCL_STRING_KEYS);
 
@@ -851,7 +845,8 @@
 /* 
  * Register a C function to be called when an Togl widget is realized.
  */
-void Togl_CreateFunc(Togl_Callback * proc)
+void
+Togl_CreateFunc(Togl_Callback *proc)
 {
     DefaultCreateProc = proc;
 }
@@ -860,7 +855,8 @@
 /* 
  * Register a C function to be called when an Togl widget must be redrawn.
  */
-void Togl_DisplayFunc(Togl_Callback * proc)
+void
+Togl_DisplayFunc(Togl_Callback *proc)
 {
     DefaultDisplayProc = proc;
 }
@@ -869,7 +865,8 @@
 /* 
  * Register a C function to be called when an Togl widget is resized.
  */
-void Togl_ReshapeFunc(Togl_Callback * proc)
+void
+Togl_ReshapeFunc(Togl_Callback *proc)
 {
     DefaultReshapeProc = proc;
 }
@@ -878,7 +875,8 @@
 /* 
  * Register a C function to be called when an Togl widget is destroyed.
  */
-void Togl_DestroyFunc(Togl_Callback * proc)
+void
+Togl_DestroyFunc(Togl_Callback *proc)
 {
     DefaultDestroyProc = proc;
 }
@@ -887,7 +885,8 @@
 /* 
  * Register a C function to be called from TimerEventHandler.
  */
-void Togl_TimerFunc(Togl_Callback * proc)
+void
+Togl_TimerFunc(Togl_Callback *proc)
 {
     DefaultTimerProc = proc;
 }
@@ -896,7 +895,8 @@
 /* 
  * Reset default callback pointers to NULL.
  */
-void Togl_ResetDefaultCallbacks(void)
+void
+Togl_ResetDefaultCallbacks(void)
 {
     DefaultCreateProc = NULL;
     DefaultDisplayProc = NULL;
@@ -911,7 +911,8 @@
 /* 
  * Chnage the create callback for a specific Togl widget.
  */
-void Togl_SetCreateFunc(Togl * togl, Togl_Callback * proc)
+void
+Togl_SetCreateFunc(Togl *togl, Togl_Callback *proc)
 {
     togl->CreateProc = proc;
 }
@@ -920,7 +921,8 @@
 /* 
  * Change the display/redraw callback for a specific Togl widget.
  */
-void Togl_SetDisplayFunc(Togl * togl, Togl_Callback * proc)
+void
+Togl_SetDisplayFunc(Togl *togl, Togl_Callback *proc)
 {
     togl->DisplayProc = proc;
 }
@@ -929,7 +931,8 @@
 /* 
  * Change the reshape callback for a specific Togl widget.
  */
-void Togl_SetReshapeFunc(Togl * togl, Togl_Callback * proc)
+void
+Togl_SetReshapeFunc(Togl *togl, Togl_Callback *proc)
 {
     togl->ReshapeProc = proc;
 }
@@ -938,7 +941,8 @@
 /* 
  * Change the destroy callback for a specific Togl widget.
  */
-void Togl_SetDestroyFunc(Togl * togl, Togl_Callback * proc)
+void
+Togl_SetDestroyFunc(Togl *togl, Togl_Callback *proc)
 {
     togl->DestroyProc = proc;
 }
@@ -949,24 +953,25 @@
  *
  * Gets called from Tk_CreateTimerHandler.
  */
-static void Togl_Timer(ClientData clientData)
+static void
+Togl_Timer(ClientData clientData)
 {
-    Togl *togl = (Togl *) clientData;
+    Togl   *togl = (Togl *) clientData;
 
     if (togl->TimerProc) {
-	togl->TimerProc(togl);
+        togl->TimerProc(togl);
 
-	/* Re-register this callback since Tcl/Tk timers are "one-shot". That
-	 * is, after the timer callback is called it not normally called again.
-	 * * * * * * * * * That's not the behavior we want for Togl. */
+        /* Re-register this callback since Tcl/Tk timers are "one-shot". That
+         * is, after the timer callback is called it not normally called again.
+         * * * * * * * * * That's not the behavior we want for Togl. */
 #if (TK_MAJOR_VERSION * 100 + TK_MINOR_VERSION) >= 401
-	togl->timerHandler =
-	    Tcl_CreateTimerHandler(togl->TimerInterval, Togl_Timer,
-				   (ClientData) togl);
+        togl->timerHandler =
+                Tcl_CreateTimerHandler(togl->TimerInterval, Togl_Timer,
+                (ClientData) togl);
 #else
-	togl->timerHandler =
-	    Tk_CreateTimerHandler(togl->TimeInterval, Togl_Timer,
-				  (ClientData) togl);
+        togl->timerHandler =
+                Tk_CreateTimerHandler(togl->TimeInterval, Togl_Timer,
+                (ClientData) togl);
 #endif
     }
 }
@@ -976,18 +981,19 @@
  * Change the timer callback for a specific Togl widget.
  * Pass NULL to disable the callback.
  */
-void Togl_SetTimerFunc(Togl * togl, Togl_Callback * proc)
+void
+Togl_SetTimerFunc(Togl *togl, Togl_Callback *proc)
 {
     togl->TimerProc = proc;
     if (proc) {
 #if (TK_MAJOR_VERSION * 100 + TK_MINOR_VERSION) >= 401
-	togl->timerHandler =
-	    Tcl_CreateTimerHandler(togl->TimerInterval, Togl_Timer,
-				   (ClientData) togl);
+        togl->timerHandler =
+                Tcl_CreateTimerHandler(togl->TimerInterval, Togl_Timer,
+                (ClientData) togl);
 #else
-	togl->timerHandler =
-	    Tk_CreateTimerHandler(togl->TimeInterval, Togl_Timer,
-				  (ClientData) togl);
+        togl->timerHandler =
+                Tk_CreateTimerHandler(togl->TimeInterval, Togl_Timer,
+                (ClientData) togl);
 #endif
     }
 }
@@ -1001,9 +1007,10 @@
  *   Every time the sub-command is called from Tcl, the
  *   C routine will be called with all the arguments from Tcl.
  */
-void Togl_CreateCommand(char *cmd_name, Togl_CmdProc * cmd_proc)
+void
+Togl_CreateCommand(char *cmd_name, Togl_CmdProc *cmd_proc)
 {
-    int new_item;
+    int     new_item;
     Tcl_HashEntry *entry;
 
     entry = Tcl_CreateHashEntry(&CommandTable, cmd_name, &new_item);
@@ -1017,30 +1024,29 @@
  *   Bind the OpenGL rendering context to the specified
  *   Togl widget.
  */
-void Togl_MakeCurrent(const Togl * togl)
+void
+Togl_MakeCurrent(const Togl *togl)
 {
 #if defined(TOGL_WGL)
-    int res = wglMakeCurrent(togl->tglGLHdc, togl->tglGLHglrc);
+    int     res = wglMakeCurrent(togl->tglGLHdc, togl->tglGLHglrc);
 
     assert(res == TRUE);
 
 #elif defined(TOGL_X11)
     if (!togl->GlCtx)
-	return;
-    (void)glXMakeCurrent(togl->display,
-			 togl->TkWin ? Tk_WindowId(togl->TkWin) : None,
-			 togl->GlCtx);
+        return;
+    (void) glXMakeCurrent(togl->display,
+            togl->TkWin ? Tk_WindowId(togl->TkWin) : None, togl->GlCtx);
 #  if defined(__sgi)
     if (togl->OldStereoFlag)
-	oldStereoMakeCurrent(togl->display,
-			     togl->TkWin ? Tk_WindowId(togl->TkWin) : None,
-			     togl->GlCtx);
+        oldStereoMakeCurrent(togl->display,
+                togl->TkWin ? Tk_WindowId(togl->TkWin) : None, togl->GlCtx);
 
 #  endif /*__sgi STEREO */
 
 #elif defined(TOGL_AGL_CLASSIC) || defined(TOGL_AGL)
     if (!togl->aglCtx)
-	return;
+        return;
     aglSetCurrentContext(togl->aglCtx);
 #endif
 }
@@ -1048,40 +1054,42 @@
 
 #ifdef TOGL_AGL_CLASSIC
 /* tell OpenGL which part of the Mac window to render to */
-static void SetMacBufRect(Togl * togl)
+static void
+SetMacBufRect(Togl *togl)
 {
-    GLint wrect[4];
+    GLint   wrect[4];
 
     /* set wrect[0,1] to lower left corner of widget */
     wrect[2] = ((TkWindow *) (togl->TkWin))->changes.width;
     wrect[3] = ((TkWindow *) (togl->TkWin))->changes.height;
     wrect[0] = ((TkWindow *) (togl->TkWin))->privatePtr->xOff;
     wrect[1] =
-	((TkWindow *) (togl->TkWin))->privatePtr->toplevel->portPtr->
-	portRect.bottom - wrect[3] -
-	((TkWindow *) (togl->TkWin))->privatePtr->yOff;
+            ((TkWindow *) (togl->TkWin))->privatePtr->toplevel->portPtr->
+            portRect.bottom - wrect[3] -
+            ((TkWindow *) (togl->TkWin))->privatePtr->yOff;
     aglSetInteger(togl->aglCtx, AGL_BUFFER_RECT, wrect);
     aglEnable(togl->aglCtx, AGL_BUFFER_RECT);
     aglUpdateContext(togl->aglCtx);
 }
 #elif defined(TOGL_AGL)
 /* tell OpenGL which part of the Mac window to render to */
-static void SetMacBufRect(Togl * togl)
+static void
+SetMacBufRect(Togl *togl)
 {
-    GLint wrect[4];
+    GLint   wrect[4];
 
     /* set wrect[0,1] to lower left corner of widget */
     wrect[2] = Tk_Width(togl->TkWin);
     wrect[3] = Tk_Height(togl->TkWin);
     wrect[0] = ((TkWindow *) (togl->TkWin))->privatePtr->xOff;
 
-    Rect r;
+    Rect    r;
 
     GetPortBounds(((TkWindow *) (togl->TkWin))->privatePtr->toplevel->grafPtr,
-		  &r);
+            &r);
 
     wrect[1] = r.bottom -
-	wrect[3] - ((TkWindow *) (togl->TkWin))->privatePtr->yOff;
+            wrect[3] - ((TkWindow *) (togl->TkWin))->privatePtr->yOff;
 
     aglSetInteger(togl->aglCtx, AGL_BUFFER_RECT, wrect);
     aglEnable(togl->aglCtx, AGL_BUFFER_RECT);
@@ -1096,97 +1104,102 @@
  * Note that the parameter type is ClientData so this function can be
  * passed to Tk_DoWhenIdle().
  */
-static void Togl_Render(ClientData clientData)
+static void
+Togl_Render(ClientData clientData)
 {
-    Togl *togl = (Togl *) clientData;
+    Togl   *togl = (Togl *) clientData;
 
     if (togl->DisplayProc) {
 
 #ifdef TOGL_AGL_CLASSIC
-	/* Mac is complicated here because OpenGL needs to know what part of
-	 * the parent window to render into, and it seems that region need to
-	 * be invalidated before drawing, so that QuickDraw will allow OpenGL
-	 * to transfer pixels into that part of the window. I'm not even
-	 * totally sure how or why this works as it does, since this aspect of
-	 * Mac OpenGL seems to be totally undocumented. This was put together
-	 * by trial and error! (thiessen) */
-	MacRegion r;
-	RgnPtr rp = &r;
-	GrafPtr curPort, parentWin;
+        /* Mac is complicated here because OpenGL needs to know what part of
+         * the parent window to render into, and it seems that region need to
+         * be invalidated before drawing, so that QuickDraw will allow OpenGL
+         * to transfer pixels into that part of the window. I'm not even
+         * totally sure how or why this works as it does, since this aspect of
+         * Mac OpenGL seems to be totally undocumented. This was put together
+         * by trial and error! (thiessen) */
+        MacRegion r;
+        RgnPtr  rp = &r;
+        GrafPtr curPort, parentWin;
 
-	parentWin = (GrafPtr)
-	    (((MacDrawable *) (Tk_WindowId(togl->TkWin)))->toplevel->portPtr);
-	if (!parentWin)
-	    return;
+        parentWin = (GrafPtr)
+                (((MacDrawable *) (Tk_WindowId(togl->TkWin)))->toplevel->
+                portPtr);
+        if (!parentWin)
+            return;
 #endif
 
-	Togl_MakeCurrent(togl);
+        Togl_MakeCurrent(togl);
 
 #ifdef TOGL_AGL_CLASSIC
-	/* Set QuickDraw port and clipping region */
-	GetPort(&curPort);
-	SetPort(parentWin);
-	r.rgnBBox.left = ((TkWindow *) (togl->TkWin))->privatePtr->xOff;
-	r.rgnBBox.right =
-	    r.rgnBBox.left + ((TkWindow *) (togl->TkWin))->changes.width - 1;
-	r.rgnBBox.top = ((TkWindow *) (togl->TkWin))->privatePtr->yOff;
-	r.rgnBBox.bottom =
-	    r.rgnBBox.top + ((TkWindow *) (togl->TkWin))->changes.height - 1;
-	r.rgnSize = sizeof(Region);
-	InvalRgn(&rp);
-	SetClip(&rp);
-	/* this may seem an odd place to put this, with possibly redundant
-	 * calls to aglSetInteger(AGL_BUFFER_RECT...), but for some reason
-	 * performance is actually a lot better if this is called before every
-	 * render... */
-	SetMacBufRect(togl);
+        /* Set QuickDraw port and clipping region */
+        GetPort(&curPort);
+        SetPort(parentWin);
+        r.rgnBBox.left = ((TkWindow *) (togl->TkWin))->privatePtr->xOff;
+        r.rgnBBox.right =
+                r.rgnBBox.left + ((TkWindow *) (togl->TkWin))->changes.width -
+                1;
+        r.rgnBBox.top = ((TkWindow *) (togl->TkWin))->privatePtr->yOff;
+        r.rgnBBox.bottom =
+                r.rgnBBox.top + ((TkWindow *) (togl->TkWin))->changes.height -
+                1;
+        r.rgnSize = sizeof (Region);
+        InvalRgn(&rp);
+        SetClip(&rp);
+        /* this may seem an odd place to put this, with possibly redundant
+         * calls to aglSetInteger(AGL_BUFFER_RECT...), but for some reason
+         * performance is actually a lot better if this is called before every
+         * render... */
+        SetMacBufRect(togl);
 #endif
 
 #ifdef TOGL_AGL
-	SetMacBufRect(togl);
+        SetMacBufRect(togl);
 #endif
 
-	togl->DisplayProc(togl);
+        togl->DisplayProc(togl);
 
 #ifdef TOGL_AGL_CLASSIC
-	SetPort(curPort);	/* restore previous port */
+        SetPort(curPort);       /* restore previous port */
 #endif
 
     }
 #if defined(TOGL_AGL_CLASSIC) || defined(TOGL_AGL)
     else {
-	/* Always need to update on resize */
-	SetMacBufRect(togl);
+        /* Always need to update on resize */
+        SetMacBufRect(togl);
     }
 #endif
     togl->UpdatePending = False;
 }
 
 
-static void RenderOverlay(ClientData clientData)
+static void
+RenderOverlay(ClientData clientData)
 {
-    Togl *togl = (Togl *) clientData;
+    Togl   *togl = (Togl *) clientData;
 
     if (togl->OverlayFlag && togl->OverlayDisplayProc) {
 
 #if defined(TOGL_WGL)
-	int res = wglMakeCurrent(togl->tglGLHdc, togl->tglGLHglrc);
+        int     res = wglMakeCurrent(togl->tglGLHdc, togl->tglGLHglrc);
 
-	assert(res == TRUE);
+        assert(res == TRUE);
 
 #elif defined(TOGL_X11)
-	(void)glXMakeCurrent(Tk_Display(togl->TkWin),
-			     togl->OverlayWindow, togl->OverlayCtx);
+        (void) glXMakeCurrent(Tk_Display(togl->TkWin),
+                togl->OverlayWindow, togl->OverlayCtx);
 #  if defined(__sgi)
-	if (togl->OldStereoFlag)
-	    oldStereoMakeCurrent(Tk_Display(togl->TkWin),
-				 togl->OverlayWindow, togl->OverlayCtx);
+        if (togl->OldStereoFlag)
+            oldStereoMakeCurrent(Tk_Display(togl->TkWin),
+                    togl->OverlayWindow, togl->OverlayCtx);
 
 #  endif /*__sgi STEREO */
 
 #endif /* TOGL_WGL */
 
-	togl->OverlayDisplayProc(togl);
+        togl->OverlayDisplayProc(togl);
     }
     togl->OverlayUpdatePending = False;
 }
@@ -1197,81 +1210,81 @@
  * options like RGBA - ColorIndex ; Z-buffer and so on
  */
 int
-Togl_Configure(Tcl_Interp * interp, Togl * togl,
-	       int argc, const char *argv[], int flags)
+Togl_Configure(Tcl_Interp *interp, Togl *togl,
+        int argc, const char *argv[], int flags)
 {
-    Bool oldRgbaFlag = togl->RgbaFlag;
-    int oldRgbaRed = togl->RgbaRed;
-    int oldRgbaGreen = togl->RgbaGreen;
-    int oldRgbaBlue = togl->RgbaBlue;
-    Bool oldDoubleFlag = togl->DoubleFlag;
-    Bool oldDepthFlag = togl->DepthFlag;
-    int oldDepthSize = togl->DepthSize;
-    Bool oldAccumFlag = togl->AccumFlag;
-    int oldAccumRed = togl->AccumRed;
-    int oldAccumGreen = togl->AccumGreen;
-    int oldAccumBlue = togl->AccumBlue;
-    int oldAccumAlpha = togl->AccumAlpha;
-    Bool oldAlphaFlag = togl->AlphaFlag;
-    int oldAlphaSize = togl->AlphaSize;
-    Bool oldStencilFlag = togl->StencilFlag;
-    int oldStencilSize = togl->StencilSize;
-    int oldAuxNumber = togl->AuxNumber;
-    int oldWidth = togl->Width;
-    int oldHeight = togl->Height;
-    int oldSetGrid = togl->SetGrid;
+    Bool    oldRgbaFlag = togl->RgbaFlag;
+    int     oldRgbaRed = togl->RgbaRed;
+    int     oldRgbaGreen = togl->RgbaGreen;
+    int     oldRgbaBlue = togl->RgbaBlue;
+    Bool    oldDoubleFlag = togl->DoubleFlag;
+    Bool    oldDepthFlag = togl->DepthFlag;
+    int     oldDepthSize = togl->DepthSize;
+    Bool    oldAccumFlag = togl->AccumFlag;
+    int     oldAccumRed = togl->AccumRed;
+    int     oldAccumGreen = togl->AccumGreen;
+    int     oldAccumBlue = togl->AccumBlue;
+    int     oldAccumAlpha = togl->AccumAlpha;
+    Bool    oldAlphaFlag = togl->AlphaFlag;
+    int     oldAlphaSize = togl->AlphaSize;
+    Bool    oldStencilFlag = togl->StencilFlag;
+    int     oldStencilSize = togl->StencilSize;
+    int     oldAuxNumber = togl->AuxNumber;
+    int     oldWidth = togl->Width;
+    int     oldHeight = togl->Height;
+    int     oldSetGrid = togl->SetGrid;
 
     if (Tk_ConfigureWidget(interp, togl->TkWin, configSpecs,
-			   argc, argv, WIDGREC togl, flags) == TCL_ERROR) {
-	return (TCL_ERROR);
+                    argc, argv, WIDGREC togl, flags) == TCL_ERROR) {
+        return (TCL_ERROR);
     }
 #ifndef USE_OVERLAY
     if (togl->OverlayFlag) {
-	TCL_ERR(interp, "Sorry, overlay was disabled");
+        TCL_ERR(interp, "Sorry, overlay was disabled");
     }
 #endif
 
 
     if (togl->Width != oldWidth || togl->Height != oldHeight
-	|| togl->SetGrid != oldSetGrid) {
-	Togl_WorldChanged((ClientData) togl);
-	/* this added per Lou Arata <arata at enya.picker.com> */
-	Tk_ResizeWindow(togl->TkWin, togl->Width, togl->Height);
+            || togl->SetGrid != oldSetGrid) {
+        Togl_WorldChanged((ClientData) togl);
+        /* this added per Lou Arata <arata at enya.picker.com> */
+        Tk_ResizeWindow(togl->TkWin, togl->Width, togl->Height);
 
-	if (togl->ReshapeProc &&
+        if (togl->ReshapeProc &&
 #if defined(TOGL_WGL)
-	    togl->tglGLHglrc
+                togl->tglGLHglrc
 #elif defined(TOGL_X11)
-	    togl->GlCtx
+                togl->GlCtx
 #elif defined(TOGL_AGL_CLASSIC) || defined(TOGL_AGL)
-	    togl->aglCtx
+                togl->aglCtx
 #endif
-	    ) {
-	    Togl_MakeCurrent(togl);
-	    togl->ReshapeProc(togl);
-	}
+                ) {
+            Togl_MakeCurrent(togl);
+            togl->ReshapeProc(togl);
+        }
     }
 
     if (togl->RgbaFlag != oldRgbaFlag
-	|| togl->RgbaRed != oldRgbaRed
-	|| togl->RgbaGreen != oldRgbaGreen
-	|| togl->RgbaBlue != oldRgbaBlue
-	|| togl->DoubleFlag != oldDoubleFlag
-	|| togl->DepthFlag != oldDepthFlag
-	|| togl->DepthSize != oldDepthSize
-	|| togl->AccumFlag != oldAccumFlag
-	|| togl->AccumRed != oldAccumRed
-	|| togl->AccumGreen != oldAccumGreen
-	|| togl->AccumBlue != oldAccumBlue
-	|| togl->AccumAlpha != oldAccumAlpha
-	|| togl->AlphaFlag != oldAlphaFlag
-	|| togl->AlphaSize != oldAlphaSize
-	|| togl->StencilFlag != oldStencilFlag
-	|| togl->StencilSize != oldStencilSize
-	|| togl->AuxNumber != oldAuxNumber) {
+            || togl->RgbaRed != oldRgbaRed
+            || togl->RgbaGreen != oldRgbaGreen
+            || togl->RgbaBlue != oldRgbaBlue
+            || togl->DoubleFlag != oldDoubleFlag
+            || togl->DepthFlag != oldDepthFlag
+            || togl->DepthSize != oldDepthSize
+            || togl->AccumFlag != oldAccumFlag
+            || togl->AccumRed != oldAccumRed
+            || togl->AccumGreen != oldAccumGreen
+            || togl->AccumBlue != oldAccumBlue
+            || togl->AccumAlpha != oldAccumAlpha
+            || togl->AlphaFlag != oldAlphaFlag
+            || togl->AlphaSize != oldAlphaSize
+            || togl->StencilFlag != oldStencilFlag
+            || togl->StencilSize != oldStencilSize
+            || togl->AuxNumber != oldAuxNumber) {
 #ifdef MESA_COLOR_HACK
-	free_default_color_cells(Tk_Display(togl->TkWin),
-				 Tk_Colormap(togl->TkWin));
+        free_default_color_cells(Tk_Display(togl->TkWin),
+                Tk_Colormap(togl->TkWin));
 #endif
     }
 #if defined(__sgi)
@@ -1283,115 +1296,103 @@
 
 
 static int
-Togl_Widget(ClientData clientData, Tcl_Interp * interp, int argc,
-	    CONST84 char *argv[])
+Togl_Widget(ClientData clientData, Tcl_Interp *interp, int argc,
+        CONST84 char *argv[])
 {
-    Togl *togl = (Togl *) clientData;
-    int result = TCL_OK;
+    Togl   *togl = (Togl *) clientData;
+    int     result = TCL_OK;
     Tcl_HashEntry *entry;
     Tcl_HashSearch search;
     Togl_CmdProc *cmd_proc;
 
     if (argc < 2) {
-	Tcl_AppendResult(interp, "wrong # args: should be \"",
-			 argv[0], " ?options?\"", NULL);
-	return TCL_ERROR;
+        Tcl_AppendResult(interp, "wrong # args: should be \"",
+                argv[0], " ?options?\"", NULL);
+        return TCL_ERROR;
     }
 
     Tk_Preserve((ClientData) togl);
 
     if (!strncmp(argv[1], "configure", MAX(1, strlen(argv[1])))) {
-	if (argc == 2) {
-	    /* Return list of all configuration parameters */
-	    result = Tk_ConfigureInfo(interp, togl->TkWin, configSpecs,
-				      WIDGREC togl, (char *)NULL, 0);
-	}
-	else if (argc == 3) {
-	    if (strcmp(argv[2], "-extensions") == 0) {
-		/* Return a list of OpenGL extensions available */
-		const char *extensions;
+        if (argc == 2) {
+            /* Return list of all configuration parameters */
+            result = Tk_ConfigureInfo(interp, togl->TkWin, configSpecs,
+                    WIDGREC togl, (char *) NULL, 0);
+        } else if (argc == 3) {
+            if (strcmp(argv[2], "-extensions") == 0) {
+                /* Return a list of OpenGL extensions available */
+                const char *extensions;
 
-		extensions = (const char *)glGetString(GL_EXTENSIONS);
-		Tcl_SetResult(interp, TCL_STUPID extensions, TCL_STATIC);
-		result = TCL_OK;
-	    }
-	    else {
-		/* Return a specific configuration parameter */
-		result = Tk_ConfigureInfo(interp, togl->TkWin, configSpecs,
-					  WIDGREC togl, argv[2], 0);
-	    }
-	}
-	else {
-	    /* Execute a configuration change */
-	    result = Togl_Configure(interp, togl, argc - 2, argv + 2,
-				    TK_CONFIG_ARGV_ONLY);
-	}
+                extensions = (const char *) glGetString(GL_EXTENSIONS);
+                Tcl_SetResult(interp, TCL_STUPID extensions, TCL_STATIC);
+                result = TCL_OK;
+            } else {
+                /* Return a specific configuration parameter */
+                result = Tk_ConfigureInfo(interp, togl->TkWin, configSpecs,
+                        WIDGREC togl, argv[2], 0);
+            }
+        } else {
+            /* Execute a configuration change */
+            result = Togl_Configure(interp, togl, argc - 2, argv + 2,
+                    TK_CONFIG_ARGV_ONLY);
+        }
+    } else if (!strncmp(argv[1], "render", MAX(1, strlen(argv[1])))) {
+        /* force the widget to be redrawn */
+        Togl_Render((ClientData) togl);
+    } else if (!strncmp(argv[1], "swapbuffers", MAX(1, strlen(argv[1])))) {
+        /* force the widget to be redrawn */
+        Togl_SwapBuffers(togl);
+    } else if (!strncmp(argv[1], "makecurrent", MAX(1, strlen(argv[1])))) {
+        /* force the widget to be redrawn */
+        Togl_MakeCurrent(togl);
     }
-    else if (!strncmp(argv[1], "render", MAX(1, strlen(argv[1])))) {
-	/* force the widget to be redrawn */
-	Togl_Render((ClientData) togl);
-    }
-    else if (!strncmp(argv[1], "swapbuffers", MAX(1, strlen(argv[1])))) {
-	/* force the widget to be redrawn */
-	Togl_SwapBuffers(togl);
-    }
-    else if (!strncmp(argv[1], "makecurrent", MAX(1, strlen(argv[1])))) {
-	/* force the widget to be redrawn */
-	Togl_MakeCurrent(togl);
-    }
 #if TOGL_USE_FONTS == 1
     else if (!strncmp(argv[1], "loadbitmapfont", MAX(1, strlen(argv[1])))) {
-	if (argc == 3) {
-	    GLuint fontbase;
-	    Tcl_Obj *fontbaseAsTclObject;
+        if (argc == 3) {
+            GLuint  fontbase;
+            Tcl_Obj *fontbaseAsTclObject;
 
-	    fontbase = Togl_LoadBitmapFont(togl, argv[2]);
-	    if (fontbase) {
-		fontbaseAsTclObject = Tcl_NewIntObj(fontbase);
-		Tcl_SetObjResult(interp, fontbaseAsTclObject);
-		result = TCL_OK;
-	    }
-	    else {
-		Tcl_AppendResult(interp, "Could not allocate font", NULL);
-		result = TCL_ERROR;
-	    }
-	}
-	else {
-	    Tcl_AppendResult(interp, "wrong # args", NULL);
-	    result = TCL_ERROR;
-	}
+            fontbase = Togl_LoadBitmapFont(togl, argv[2]);
+            if (fontbase) {
+                fontbaseAsTclObject = Tcl_NewIntObj(fontbase);
+                Tcl_SetObjResult(interp, fontbaseAsTclObject);
+                result = TCL_OK;
+            } else {
+                Tcl_AppendResult(interp, "Could not allocate font", NULL);
+                result = TCL_ERROR;
+            }
+        } else {
+            Tcl_AppendResult(interp, "wrong # args", NULL);
+            result = TCL_ERROR;
+        }
+    } else if (!strncmp(argv[1], "unloadbitmapfont", MAX(1, strlen(argv[1])))) {
+        if (argc == 3) {
+            Togl_UnloadBitmapFont(togl, atoi(argv[2]));
+            result = TCL_OK;
+        } else {
+            Tcl_AppendResult(interp, "wrong # args", NULL);
+            result = TCL_ERROR;
+        }
     }
-    else if (!strncmp(argv[1], "unloadbitmapfont", MAX(1, strlen(argv[1])))) {
-	if (argc == 3) {
-	    Togl_UnloadBitmapFont(togl, atoi(argv[2]));
-	    result = TCL_OK;
-	}
-	else {
-	    Tcl_AppendResult(interp, "wrong # args", NULL);
-	    result = TCL_ERROR;
-	}
-    }
 #endif /* TOGL_USE_FONTS */
     else {
-	/* Probably a user-defined function */
-	entry = Tcl_FindHashEntry(&CommandTable, argv[1]);
-	if (entry != NULL) {
-	    cmd_proc = (Togl_CmdProc *) Tcl_GetHashValue(entry);
-	    result = cmd_proc(togl, argc, argv);
-	}
-	else {
-	    Tcl_AppendResult(interp, "Togl: Unknown option: ", argv[1], "\n",
-			     "Try: configure or render\n",
-			     "or one of the user-defined commands:\n", NULL);
-	    entry = Tcl_FirstHashEntry(&CommandTable, &search);
-	    while (entry) {
-		Tcl_AppendResult(interp, "  ",
-				 Tcl_GetHashKey(&CommandTable, entry), "\n",
-				 NULL);
-		entry = Tcl_NextHashEntry(&search);
-	    }
-	    result = TCL_ERROR;
-	}
+        /* Probably a user-defined function */
+        entry = Tcl_FindHashEntry(&CommandTable, argv[1]);
+        if (entry != NULL) {
+            cmd_proc = (Togl_CmdProc *) Tcl_GetHashValue(entry);
+            result = cmd_proc(togl, argc, argv);
+        } else {
+            Tcl_AppendResult(interp, "Togl: Unknown option: ", argv[1], "\n",
+                    "Try: configure or render\n",
+                    "or one of the user-defined commands:\n", NULL);
+            entry = Tcl_FirstHashEntry(&CommandTable, &search);
+            while (entry) {
+                Tcl_AppendResult(interp, "  ",
+                        Tcl_GetHashKey(&CommandTable, entry), "\n", NULL);
+                entry = Tcl_NextHashEntry(&search);
+            }
+            result = TCL_ERROR;
+        }
     }
 
     Tk_Release((ClientData) togl);
@@ -1411,31 +1412,31 @@
  *     * Configures this Togl for the given arguments
  */
 static int
-Togl_Cmd(ClientData clientData, Tcl_Interp * interp, int argc,
-	 CONST84 char **argv)
+Togl_Cmd(ClientData clientData, Tcl_Interp *interp, int argc,
+        CONST84 char **argv)
 {
     const char *name;
     Tk_Window mainwin = (Tk_Window) clientData;
     Tk_Window tkwin;
-    Togl *togl;
+    Togl   *togl;
 
     if (argc <= 1) {
-	TCL_ERR(interp, "wrong # args: should be \"pathName read filename\"");
+        TCL_ERR(interp, "wrong # args: should be \"pathName read filename\"");
     }
 
     /* Create the window. */
     name = argv[1];
-    tkwin = Tk_CreateWindowFromPath(interp, mainwin, name, (char *)NULL);
+    tkwin = Tk_CreateWindowFromPath(interp, mainwin, name, (char *) NULL);
     if (tkwin == NULL) {
-	return TCL_ERROR;
+        return TCL_ERROR;
     }
 
     Tk_SetClass(tkwin, "Togl");
 
     /* Create Togl data structure */
-    togl = (Togl *) malloc(sizeof(Togl));
+    togl = (Togl *) malloc(sizeof (Togl));
     if (!togl) {
-	return TCL_ERROR;
+        return TCL_ERROR;
     }
 
     togl->Next = NULL;
@@ -1501,9 +1502,8 @@
 
     /* Create command event handler */
     togl->widgetCmd = Tcl_CreateCommand(interp, Tk_PathName(tkwin),
-					Togl_Widget, (ClientData) togl,
-					(Tcl_CmdDeleteProc *)
-					ToglCmdDeletedProc);
+            Togl_Widget, (ClientData) togl,
+            (Tcl_CmdDeleteProc *) ToglCmdDeletedProc);
     /* 
      * Setup the Tk_ClassProcs callbacks to point at our own window creation
      * function
@@ -1514,43 +1514,42 @@
 
 #ifdef HAVE_TK_SETCLASSPROCS
 
-    if (SetClassProcsPtr != NULL) {	/* use public API (Tk 8.4+) */
-	Tk_ClassProcs *procsPtr;
+    if (SetClassProcsPtr != NULL) {     /* use public API (Tk 8.4+) */
+        Tk_ClassProcs *procsPtr;
 
-	procsPtr = (Tk_ClassProcs *) Tcl_Alloc(sizeof(Tk_ClassProcs));
-	procsPtr->size = sizeof(Tk_ClassProcs);
-	procsPtr->createProc = Togl_CreateWindow;
-	procsPtr->worldChangedProc = Togl_WorldChanged;
-	procsPtr->modalProc = NULL;
-	/* Tk_SetClassProcs(togl->TkWin,procsPtr,(ClientData)togl); */
-	(SetClassProcsPtr) (togl->TkWin, procsPtr, (ClientData) togl);
-    }
-    else
+        procsPtr = (Tk_ClassProcs *) Tcl_Alloc(sizeof (Tk_ClassProcs));
+        procsPtr->size = sizeof (Tk_ClassProcs);
+        procsPtr->createProc = Togl_CreateWindow;
+        procsPtr->worldChangedProc = Togl_WorldChanged;
+        procsPtr->modalProc = NULL;
+        /* Tk_SetClassProcs(togl->TkWin,procsPtr,(ClientData)togl); */
+        (SetClassProcsPtr) (togl->TkWin, procsPtr, (ClientData) togl);
+    } else
 #endif
-    {				/* use private API */
-	/* 
-	 * We need to set these fields in the Tk_FakeWin structure: dummy17 =
-	 * classProcsPtr dummy18 = instanceData */
-	TkClassProcs *procsPtr;
-	Tk_FakeWin *winPtr = (Tk_FakeWin *) (togl->TkWin);
+    {                           /* use private API */
+        /* 
+         * We need to set these fields in the Tk_FakeWin structure: dummy17 =
+         * classProcsPtr dummy18 = instanceData */
+        TkClassProcs *procsPtr;
+        Tk_FakeWin *winPtr = (Tk_FakeWin *) (togl->TkWin);
 
-	procsPtr = (TkClassProcs *) Tcl_Alloc(sizeof(TkClassProcs));
-	procsPtr->createProc = Togl_CreateWindow;
-	procsPtr->geometryProc = Togl_WorldChanged;
-	procsPtr->modalProc = NULL;
-	winPtr->dummy17 = (char *)procsPtr;
-	winPtr->dummy18 = (ClientData) togl;
+        procsPtr = (TkClassProcs *) Tcl_Alloc(sizeof (TkClassProcs));
+        procsPtr->createProc = Togl_CreateWindow;
+        procsPtr->geometryProc = Togl_WorldChanged;
+        procsPtr->modalProc = NULL;
+        winPtr->dummy17 = (char *) procsPtr;
+        winPtr->dummy18 = (ClientData) togl;
     }
 
     Tk_CreateEventHandler(tkwin,
-			  ExposureMask | StructureNotifyMask, Togl_EventProc,
-			  (ClientData) togl);
+            ExposureMask | StructureNotifyMask, Togl_EventProc,
+            (ClientData) togl);
 
     /* Configure Togl widget */
     if (Togl_Configure(interp, togl, argc - 2, argv + 2, 0) == TCL_ERROR) {
-	Tk_DestroyWindow(tkwin);
-	Tcl_AppendResult(interp, "Couldn't configure togl widget\n", NULL);
-	goto error;
+        Tk_DestroyWindow(tkwin);
+        Tcl_AppendResult(interp, "Couldn't configure togl widget\n", NULL);
+        goto error;
     }
 
     /* 
@@ -1560,34 +1559,34 @@
      */
     if (!
 #if defined(TOGL_WGL)
-	togl->tglGLHdc
+            togl->tglGLHdc
 #elif defined(TOGL_X11)
-	togl->GlCtx
+            togl->GlCtx
 #elif defined(TOGL_AGL_CLASSIC) || defined(TOGL_AGL)
-	togl->aglCtx
+            togl->aglCtx
 #endif
-	) {
-	Tk_MakeWindowExist(togl->TkWin);
-	if (Tk_WindowId(togl->TkWin) == DUMMY_WINDOW) {
-	    return TCL_ERROR;
-	}
-	Togl_MakeCurrent(togl);
+            ) {
+        Tk_MakeWindowExist(togl->TkWin);
+        if (Tk_WindowId(togl->TkWin) == DUMMY_WINDOW) {
+            return TCL_ERROR;
+        }
+        Togl_MakeCurrent(togl);
     }
 
     /* If defined, call create callback */
     if (togl->CreateProc) {
-	togl->CreateProc(togl);
+        togl->CreateProc(togl);
     }
 
     /* If defined, call reshape proc */
     if (togl->ReshapeProc) {
-	togl->ReshapeProc(togl);
+        togl->ReshapeProc(togl);
     }
 
     /* If defined, setup timer */
     if (togl->TimerProc) {
-	(void)Tk_CreateTimerHandler(togl->TimerInterval, Togl_Timer,
-				    (ClientData) togl);
+        (void) Tk_CreateTimerHandler(togl->TimerInterval, Togl_Timer,
+                (ClientData) togl);
     }
 
     Tcl_AppendResult(interp, Tk_PathName(tkwin), NULL);
@@ -1598,7 +1597,7 @@
     return TCL_OK;
 
   error:
-    (void)Tcl_DeleteCommand(interp, "togl");
+    (void) Tcl_DeleteCommand(interp, "togl");
     /* free(togl); Don't free it, if we do a crash occurs later... */
     return TCL_ERROR;
 }
@@ -1610,22 +1609,23 @@
  * Do all the setup for overlay planes
  * Return:   TCL_OK or TCL_ERROR
  */
-static int SetupOverlay(Togl * togl)
+static int
+SetupOverlay(Togl *togl)
 {
 #  if defined(TOGL_X11)
 
 #    ifdef GLX_TRANSPARENT_TYPE_EXT
     static int ovAttributeList[] = {
-	GLX_BUFFER_SIZE, 2,
-	GLX_LEVEL, 1,
-	GLX_TRANSPARENT_TYPE_EXT, GLX_TRANSPARENT_INDEX_EXT,
-	None
+        GLX_BUFFER_SIZE, 2,
+        GLX_LEVEL, 1,
+        GLX_TRANSPARENT_TYPE_EXT, GLX_TRANSPARENT_INDEX_EXT,
+        None
     };
 #    else
     static int ovAttributeList[] = {
-	GLX_BUFFER_SIZE, 2,
-	GLX_LEVEL, 1,
-	None
+        GLX_BUFFER_SIZE, 2,
+        GLX_LEVEL, 1,
+        None
     };
 #    endif
 
@@ -1635,51 +1635,49 @@
 
     XSetWindowAttributes swa;
     Tcl_HashEntry *hPtr;
-    int new_flag;
+    int     new_flag;
 
     dpy = Tk_Display(togl->TkWin);
 
     visinfo = glXChooseVisual(dpy, Tk_ScreenNumber(winPtr), ovAttributeList);
     if (!visinfo) {
-	Tcl_AppendResult(togl->Interp, Tk_PathName(winPtr),
-			 ": No suitable overlay index visual available",
-			 (char *)NULL);
-	togl->OverlayCtx = 0;
-	togl->OverlayWindow = 0;
-	togl->OverlayCmap = 0;
-	return TCL_ERROR;
+        Tcl_AppendResult(togl->Interp, Tk_PathName(winPtr),
+                ": No suitable overlay index visual available", (char *) NULL);
+        togl->OverlayCtx = 0;
+        togl->OverlayWindow = 0;
+        togl->OverlayCmap = 0;
+        return TCL_ERROR;
     }
 #    ifdef GLX_TRANSPARENT_INDEX_EXT
     {
-	int fail = glXGetConfig(dpy, visinfo, GLX_TRANSPARENT_INDEX_VALUE_EXT,
-				&togl->OverlayTransparentPixel);
+        int     fail =
+                glXGetConfig(dpy, visinfo, GLX_TRANSPARENT_INDEX_VALUE_EXT,
+                &togl->OverlayTransparentPixel);
 
-	if (fail)
-	    togl->OverlayTransparentPixel = 0;	/* maybe, maybe ... */
+        if (fail)
+            togl->OverlayTransparentPixel = 0;  /* maybe, maybe ... */
     }
 #    else
-    togl->OverlayTransparentPixel = 0;	/* maybe, maybe ... */
+    togl->OverlayTransparentPixel = 0;  /* maybe, maybe ... */
 #    endif
 
     /* share display lists with normal layer context */
     togl->OverlayCtx =
-	glXCreateContext(dpy, visinfo, togl->GlCtx, !togl->Indirect);
+            glXCreateContext(dpy, visinfo, togl->GlCtx, !togl->Indirect);
 
     swa.colormap = XCreateColormap(dpy, XRootWindow(dpy, visinfo->screen),
-				   visinfo->visual, AllocNone);
+            visinfo->visual, AllocNone);
     togl->OverlayCmap = swa.colormap;
 
     swa.border_pixel = 0;
     swa.event_mask = ALL_EVENTS_MASK;
     togl->OverlayWindow = XCreateWindow(dpy, Tk_WindowId(togl->TkWin), 0, 0,
-					togl->Width, togl->Height, 0,
-					visinfo->depth, InputOutput,
-					visinfo->visual,
-					CWBorderPixel | CWColormap |
-					CWEventMask, &swa);
+            togl->Width, togl->Height, 0,
+            visinfo->depth, InputOutput,
+            visinfo->visual, CWBorderPixel | CWColormap | CWEventMask, &swa);
 
     hPtr = Tcl_CreateHashEntry(&winPtr->dispPtr->winTable,
-			       (char *)togl->OverlayWindow, &new_flag);
+            (char *) togl->OverlayWindow, &new_flag);
     Tcl_SetHashValue(hPtr, winPtr);
 
     /* XMapWindow( dpy, togl->OverlayWindow ); */
@@ -1707,41 +1705,41 @@
 static LRESULT CALLBACK
 Win32WinProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
 {
-    LONG result;
-    Togl *togl = (Togl *) GetWindowLong(hwnd, 0);
+    LONG    result;
+    Togl   *togl = (Togl *) GetWindowLong(hwnd, 0);
     WNDCLASS childClass;
 
     switch (message) {
-    case WM_WINDOWPOSCHANGED:
-	/* Should be processed by DefWindowProc, otherwise a double buffered
-	 * context is not properly resized when the corresponding window is
-	 * resized. */
-	break;
-    case WM_DESTROY:
-	if (togl->tglGLHglrc) {
-	    wglDeleteContext(togl->tglGLHglrc);
-	}
-	if (togl->tglGLHdc) {
-	    ReleaseDC(hwnd, togl->tglGLHdc);
-	}
-	free(togl);
-	break;
-    default:
+      case WM_WINDOWPOSCHANGED:
+          /* Should be processed by DefWindowProc, otherwise a double buffered
+           * context is not properly resized when the corresponding window is
+           * resized. */
+          break;
+      case WM_DESTROY:
+          if (togl->tglGLHglrc) {
+              wglDeleteContext(togl->tglGLHglrc);
+          }
+          if (togl->tglGLHdc) {
+              ReleaseDC(hwnd, togl->tglGLHdc);
+          }
+          free(togl);
+          break;
+      default:
 #  if USE_STATIC_LIB
-	return TkWinChildProc(hwnd, message, wParam, lParam);
+          return TkWinChildProc(hwnd, message, wParam, lParam);
 #  else
-	/* 
-	 * OK, since TkWinChildProc is not explicitly exported in the
-	 * dynamic libraries, we have to retrieve it from the class info
-	 * registered with windows.
-	 *
-	 */
-	if (tkWinChildProc == NULL) {
-	    GetClassInfo(Tk_GetHINSTANCE(), TK_WIN_CHILD_CLASS_NAME,
-			 &childClass);
-	    tkWinChildProc = childClass.lpfnWndProc;
-	}
-	return tkWinChildProc(hwnd, message, wParam, lParam);
+          /* 
+           * OK, since TkWinChildProc is not explicitly exported in the
+           * dynamic libraries, we have to retrieve it from the class info
+           * registered with windows.
+           *
+           */
+          if (tkWinChildProc == NULL) {
+              GetClassInfo(Tk_GetHINSTANCE(), TK_WIN_CHILD_CLASS_NAME,
+                      &childClass);
+              tkWinChildProc = childClass.lpfnWndProc;
+          }
+          return tkWinChildProc(hwnd, message, wParam, lParam);
 #  endif
     }
     result = DefWindowProc(hwnd, message, wParam, lParam);
@@ -1762,37 +1760,37 @@
 Togl_CreateWindow(Tk_Window tkwin, Window parent, ClientData instanceData)
 {
 
-    Togl *togl = (Togl *) instanceData;
+    Togl   *togl = (Togl *) instanceData;
     XVisualInfo *visinfo = NULL;
     Display *dpy;
     Colormap cmap;
-    int scrnum;
-    Window window;
+    int     scrnum;
+    Window  window;
 
 #if defined(TOGL_X11)
-    Bool directCtx = True;
-    int attrib_list[1000];
-    int attrib_count;
-    int dummy;
+    Bool    directCtx = True;
+    int     attrib_list[1000];
+    int     attrib_count;
+    int     dummy;
     XSetWindowAttributes swa;
 
 #  define MAX_ATTEMPTS 12
     static int ci_depths[MAX_ATTEMPTS] = {
-	8, 4, 2, 1, 12, 16, 8, 4, 2, 1, 12, 16
+        8, 4, 2, 1, 12, 16, 8, 4, 2, 1, 12, 16
     };
     static int dbl_flags[MAX_ATTEMPTS] = {
-	0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1
+        0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1
     };
 #elif defined(TOGL_WGL)
-    HWND hwnd, parentWin;
-    int pixelformat;
-    HANDLE hInstance;
+    HWND    hwnd, parentWin;
+    int     pixelformat;
+    HANDLE  hInstance;
     WNDCLASS ToglClass;
     PIXELFORMATDESCRIPTOR pfd;
     XVisualInfo VisInf;
 #elif defined(TOGL_AGL_CLASSIC) || defined(TOGL_AGL)
-    GLint attribs[20];
-    int na;
+    GLint   attribs[20];
+    int     na;
     AGLPixelFormat fmt;
     XVisualInfo VisInf;
 #endif /* TOGL_X11 */
@@ -1803,163 +1801,158 @@
 #if defined(TOGL_X11)
     /* Make sure OpenGL's GLX extension supported */
     if (!glXQueryExtension(dpy, &dummy, &dummy)) {
-	Tcl_SetResult(togl->Interp,
-		      TCL_STUPID "Togl: X server has no OpenGL GLX extension",
-		      TCL_STATIC);
-	return DUMMY_WINDOW;
+        Tcl_SetResult(togl->Interp,
+                TCL_STUPID "Togl: X server has no OpenGL GLX extension",
+                TCL_STATIC);
+        return DUMMY_WINDOW;
     }
 
     if (togl->ShareContext && FindTogl(togl->ShareContext)) {
-	/* share OpenGL context with existing Togl widget */
-	Togl *shareWith = FindTogl(togl->ShareContext);
+        /* share OpenGL context with existing Togl widget */
+        Togl   *shareWith = FindTogl(togl->ShareContext);
 
-	assert(shareWith != NULL);
-	assert(shareWith->GlCtx != NULL);
-	togl->GlCtx = shareWith->GlCtx;
-	togl->VisInfo = shareWith->VisInfo;
-	visinfo = togl->VisInfo;
-    }
-    else {
-	if (togl->PixelFormat) {
-	    XVisualInfo template;
-	    int count = 1;
+        assert(shareWith != NULL);
+        assert(shareWith->GlCtx != NULL);
+        togl->GlCtx = shareWith->GlCtx;
+        togl->VisInfo = shareWith->VisInfo;
+        visinfo = togl->VisInfo;
+    } else {
+        if (togl->PixelFormat) {
+            XVisualInfo template;
+            int     count = 1;
 
-	    template.visualid = togl->PixelFormat;
-	    visinfo = XGetVisualInfo(dpy, VisualIDMask, &template, &count);
-	    if (visinfo == NULL) {
-		Tcl_SetResult(togl->Interp,
-			      TCL_STUPID "Togl: couldn't choose pixel format",
-			      TCL_STATIC);
+            template.visualid = togl->PixelFormat;
+            visinfo = XGetVisualInfo(dpy, VisualIDMask, &template, &count);
+            if (visinfo == NULL) {
+                Tcl_SetResult(togl->Interp,
+                        TCL_STUPID "Togl: couldn't choose pixel format",
+                        TCL_STATIC);
 
-		return DUMMY_WINDOW;
-	    }
-	    /* fill in flags normally passed in that affect behavior */
-	    (void)glXGetConfig(dpy, visinfo, GLX_RGBA, &togl->RgbaFlag);
-	    (void)glXGetConfig(dpy, visinfo, GLX_DOUBLEBUFFER,
-			       &togl->DoubleFlag);
-	    (void)glXGetConfig(dpy, visinfo, GLX_STEREO, &togl->StereoFlag);
-	}
-	else {
-	    int attempt;
+                return DUMMY_WINDOW;
+            }
+            /* fill in flags normally passed in that affect behavior */
+            (void) glXGetConfig(dpy, visinfo, GLX_RGBA, &togl->RgbaFlag);
+            (void) glXGetConfig(dpy, visinfo, GLX_DOUBLEBUFFER,
+                    &togl->DoubleFlag);
+            (void) glXGetConfig(dpy, visinfo, GLX_STEREO, &togl->StereoFlag);
+        } else {
+            int     attempt;
 
-	    /* It may take a few tries to get a visual */
-	    for (attempt = 0; attempt < MAX_ATTEMPTS; attempt++) {
-		attrib_count = 0;
-		attrib_list[attrib_count++] = GLX_USE_GL;
-		if (togl->RgbaFlag) {
-		    /* RGB[A] mode */
-		    attrib_list[attrib_count++] = GLX_RGBA;
-		    attrib_list[attrib_count++] = GLX_RED_SIZE;
-		    attrib_list[attrib_count++] = togl->RgbaRed;
-		    attrib_list[attrib_count++] = GLX_GREEN_SIZE;
-		    attrib_list[attrib_count++] = togl->RgbaGreen;
-		    attrib_list[attrib_count++] = GLX_BLUE_SIZE;
-		    attrib_list[attrib_count++] = togl->RgbaBlue;
-		    if (togl->AlphaFlag) {
-			attrib_list[attrib_count++] = GLX_ALPHA_SIZE;
-			attrib_list[attrib_count++] = togl->AlphaSize;
-		    }
+            /* It may take a few tries to get a visual */
+            for (attempt = 0; attempt < MAX_ATTEMPTS; attempt++) {
+                attrib_count = 0;
+                attrib_list[attrib_count++] = GLX_USE_GL;
+                if (togl->RgbaFlag) {
+                    /* RGB[A] mode */
+                    attrib_list[attrib_count++] = GLX_RGBA;
+                    attrib_list[attrib_count++] = GLX_RED_SIZE;
+                    attrib_list[attrib_count++] = togl->RgbaRed;
+                    attrib_list[attrib_count++] = GLX_GREEN_SIZE;
+                    attrib_list[attrib_count++] = togl->RgbaGreen;
+                    attrib_list[attrib_count++] = GLX_BLUE_SIZE;
+                    attrib_list[attrib_count++] = togl->RgbaBlue;
+                    if (togl->AlphaFlag) {
+                        attrib_list[attrib_count++] = GLX_ALPHA_SIZE;
+                        attrib_list[attrib_count++] = togl->AlphaSize;
+                    }
 
-		    /* for EPS Output */
-		    if (togl->EpsRedMap)
-			free(togl->EpsRedMap);
-		    if (togl->EpsGreenMap)
-			free(togl->EpsGreenMap);
-		    if (togl->EpsBlueMap)
-			free(togl->EpsBlueMap);
-		    togl->EpsRedMap = togl->EpsGreenMap = togl->EpsBlueMap =
-			NULL;
-		    togl->EpsMapSize = 0;
-		}
-		else {
-		    /* Color index mode */
-		    int depth;
+                    /* for EPS Output */
+                    if (togl->EpsRedMap)
+                        free(togl->EpsRedMap);
+                    if (togl->EpsGreenMap)
+                        free(togl->EpsGreenMap);
+                    if (togl->EpsBlueMap)
+                        free(togl->EpsBlueMap);
+                    togl->EpsRedMap = togl->EpsGreenMap = togl->EpsBlueMap =
+                            NULL;
+                    togl->EpsMapSize = 0;
+                } else {
+                    /* Color index mode */
+                    int     depth;
 
-		    attrib_list[attrib_count++] = GLX_BUFFER_SIZE;
-		    depth = ci_depths[attempt];
-		    attrib_list[attrib_count++] = depth;
-		}
-		if (togl->DepthFlag) {
-		    attrib_list[attrib_count++] = GLX_DEPTH_SIZE;
-		    attrib_list[attrib_count++] = togl->DepthSize;
-		}
-		if (togl->DoubleFlag || dbl_flags[attempt]) {
-		    attrib_list[attrib_count++] = GLX_DOUBLEBUFFER;
-		}
-		if (togl->StencilFlag) {
-		    attrib_list[attrib_count++] = GLX_STENCIL_SIZE;
-		    attrib_list[attrib_count++] = togl->StencilSize;
-		}
-		if (togl->AccumFlag) {
-		    attrib_list[attrib_count++] = GLX_ACCUM_RED_SIZE;
-		    attrib_list[attrib_count++] = togl->AccumRed;
-		    attrib_list[attrib_count++] = GLX_ACCUM_GREEN_SIZE;
-		    attrib_list[attrib_count++] = togl->AccumGreen;
-		    attrib_list[attrib_count++] = GLX_ACCUM_BLUE_SIZE;
-		    attrib_list[attrib_count++] = togl->AccumBlue;
-		    if (togl->AlphaFlag) {
-			attrib_list[attrib_count++] = GLX_ACCUM_ALPHA_SIZE;
-			attrib_list[attrib_count++] = togl->AccumAlpha;
-		    }
-		}
-		if (togl->AuxNumber != 0) {
-		    attrib_list[attrib_count++] = GLX_AUX_BUFFERS;
-		    attrib_list[attrib_count++] = togl->AuxNumber;
-		}
-		if (togl->Indirect) {
-		    directCtx = False;
-		}
+                    attrib_list[attrib_count++] = GLX_BUFFER_SIZE;
+                    depth = ci_depths[attempt];
+                    attrib_list[attrib_count++] = depth;
+                }
+                if (togl->DepthFlag) {
+                    attrib_list[attrib_count++] = GLX_DEPTH_SIZE;
+                    attrib_list[attrib_count++] = togl->DepthSize;
+                }
+                if (togl->DoubleFlag || dbl_flags[attempt]) {
+                    attrib_list[attrib_count++] = GLX_DOUBLEBUFFER;
+                }
+                if (togl->StencilFlag) {
+                    attrib_list[attrib_count++] = GLX_STENCIL_SIZE;
+                    attrib_list[attrib_count++] = togl->StencilSize;
+                }
+                if (togl->AccumFlag) {
+                    attrib_list[attrib_count++] = GLX_ACCUM_RED_SIZE;
+                    attrib_list[attrib_count++] = togl->AccumRed;
+                    attrib_list[attrib_count++] = GLX_ACCUM_GREEN_SIZE;
+                    attrib_list[attrib_count++] = togl->AccumGreen;
+                    attrib_list[attrib_count++] = GLX_ACCUM_BLUE_SIZE;
+                    attrib_list[attrib_count++] = togl->AccumBlue;
+                    if (togl->AlphaFlag) {
+                        attrib_list[attrib_count++] = GLX_ACCUM_ALPHA_SIZE;
+                        attrib_list[attrib_count++] = togl->AccumAlpha;
+                    }
+                }
+                if (togl->AuxNumber != 0) {
+                    attrib_list[attrib_count++] = GLX_AUX_BUFFERS;
+                    attrib_list[attrib_count++] = togl->AuxNumber;
+                }
+                if (togl->Indirect) {
+                    directCtx = False;
+                }
 
-		if (togl->StereoFlag) {
-		    attrib_list[attrib_count++] = GLX_STEREO;
-		}
-		attrib_list[attrib_count++] = None;
+                if (togl->StereoFlag) {
+                    attrib_list[attrib_count++] = GLX_STEREO;
+                }
+                attrib_list[attrib_count++] = None;
 
-		visinfo = glXChooseVisual(dpy, Tk_ScreenNumber(togl->TkWin),
-					  attrib_list);
-		if (visinfo) {
-		    /* found a GLX visual! */
-		    break;
-		}
-	    }
+                visinfo = glXChooseVisual(dpy, Tk_ScreenNumber(togl->TkWin),
+                        attrib_list);
+                if (visinfo) {
+                    /* found a GLX visual! */
+                    break;
+                }
+            }
 
-	    togl->VisInfo = visinfo;
+            togl->VisInfo = visinfo;
 
-	    if (visinfo == NULL) {
-		Tcl_SetResult(togl->Interp,
-			      TCL_STUPID "Togl: couldn't get visual",
-			      TCL_STATIC);
-		return DUMMY_WINDOW;
-	    }
+            if (visinfo == NULL) {
+                Tcl_SetResult(togl->Interp,
+                        TCL_STUPID "Togl: couldn't get visual", TCL_STATIC);
+                return DUMMY_WINDOW;
+            }
 
-	    /* 
-	     * Create a new OpenGL rendering context.
-	     */
-	    if (togl->ShareList) {
-		/* share display lists with existing togl widget */
-		Togl *shareWith = FindTogl(togl->ShareList);
-		GLXContext shareCtx;
+            /* 
+             * Create a new OpenGL rendering context.
+             */
+            if (togl->ShareList) {
+                /* share display lists with existing togl widget */
+                Togl   *shareWith = FindTogl(togl->ShareList);
+                GLXContext shareCtx;
 
-		if (shareWith)
-		    shareCtx = shareWith->GlCtx;
-		else
-		    shareCtx = None;
-		togl->GlCtx =
-		    glXCreateContext(dpy, visinfo, shareCtx, directCtx);
-	    }
-	    else {
-		/* don't share display lists */
-		togl->GlCtx = glXCreateContext(dpy, visinfo, None, directCtx);
-	    }
+                if (shareWith)
+                    shareCtx = shareWith->GlCtx;
+                else
+                    shareCtx = None;
+                togl->GlCtx =
+                        glXCreateContext(dpy, visinfo, shareCtx, directCtx);
+            } else {
+                /* don't share display lists */
+                togl->GlCtx = glXCreateContext(dpy, visinfo, None, directCtx);
+            }
 
-	    if (togl->GlCtx == NULL) {
-		Tcl_SetResult(togl->Interp,
-			      TCL_STUPID "could not create rendering context",
-			      TCL_STATIC);
-		return DUMMY_WINDOW;
-	    }
+            if (togl->GlCtx == NULL) {
+                Tcl_SetResult(togl->Interp,
+                        TCL_STUPID "could not create rendering context",
+                        TCL_STATIC);
+                return DUMMY_WINDOW;
+            }
 
-	}
+        }
     }
 
 
@@ -1969,132 +1962,125 @@
     parentWin = Tk_GetHWND(parent);
     hInstance = Tk_GetHINSTANCE();
     if (!ToglClassInitialized) {
-	ToglClassInitialized = True;
-	ToglClass.style = CS_HREDRAW | CS_VREDRAW;
-	ToglClass.cbClsExtra = 0;
-	ToglClass.cbWndExtra = 4;	/* to save struct Togl* */
-	ToglClass.hInstance = hInstance;
-	ToglClass.hbrBackground = NULL;
-	ToglClass.lpszMenuName = NULL;
-	ToglClass.lpszClassName = TOGL_CLASS_NAME;
-	ToglClass.lpfnWndProc = Win32WinProc;
-	ToglClass.hIcon = NULL;
-	ToglClass.hCursor = NULL;
-	if (!RegisterClass(&ToglClass)) {
-	    Tcl_SetResult(togl->Interp,
-			  TCL_STUPID "unable register Togl window class",
-			  TCL_STATIC);
-	    return DUMMY_WINDOW;
-	}
+        ToglClassInitialized = True;
+        ToglClass.style = CS_HREDRAW | CS_VREDRAW;
+        ToglClass.cbClsExtra = 0;
+        ToglClass.cbWndExtra = 4;       /* to save struct Togl* */
+        ToglClass.hInstance = hInstance;
+        ToglClass.hbrBackground = NULL;
+        ToglClass.lpszMenuName = NULL;
+        ToglClass.lpszClassName = TOGL_CLASS_NAME;
+        ToglClass.lpfnWndProc = Win32WinProc;
+        ToglClass.hIcon = NULL;
+        ToglClass.hCursor = NULL;
+        if (!RegisterClass(&ToglClass)) {
+            Tcl_SetResult(togl->Interp,
+                    TCL_STUPID "unable register Togl window class", TCL_STATIC);
+            return DUMMY_WINDOW;
+        }
     }
 
     hwnd = CreateWindow(TOGL_CLASS_NAME, NULL,
-			WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS, 0, 0,
-			togl->Width, togl->Height, parentWin, NULL, hInstance,
-			NULL);
+            WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS, 0, 0,
+            togl->Width, togl->Height, parentWin, NULL, hInstance, NULL);
     SetWindowLong(hwnd, 0, (LONG) togl);
     SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0,
-		 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
+            SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
 
     togl->tglGLHdc = GetDC(hwnd);
 
-    pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
+    pfd.nSize = sizeof (PIXELFORMATDESCRIPTOR);
     pfd.nVersion = 1;
     pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
     if (togl->DoubleFlag) {
-	pfd.dwFlags |= PFD_DOUBLEBUFFER;
+        pfd.dwFlags |= PFD_DOUBLEBUFFER;
     }
     /* The stereo flag is not supported in the current generic OpenGL
      * implementation, but may be supported by specific hardware devices. */
     if (togl->StereoFlag) {
-	pfd.dwFlags |= PFD_STEREO;
+        pfd.dwFlags |= PFD_STEREO;
     }
 
     if (togl->PixelFormat) {
-	pixelformat = togl->PixelFormat;
-    }
-    else {
-	pfd.cColorBits = togl->RgbaRed + togl->RgbaGreen + togl->RgbaBlue;
-	pfd.iPixelType = togl->RgbaFlag ? PFD_TYPE_RGBA : PFD_TYPE_COLORINDEX;
-	/* Alpha bitplanes are not supported in the current generic OpenGL
-	 * implementation, but may be supported by specific hardware devices. */
-	pfd.cAlphaBits = togl->AlphaFlag ? togl->AlphaSize : 0;
-	pfd.cAccumBits =
-	    togl->AccumFlag ? (togl->AccumRed + togl->AccumGreen +
-			       togl->AccumBlue + togl->AccumAlpha) : 0;
-	pfd.cDepthBits = togl->DepthFlag ? togl->DepthSize : 0;
-	pfd.cStencilBits = togl->StencilFlag ? togl->StencilSize : 0;
-	/* Auxiliary buffers are not supported in the current generic OpenGL
-	 * implementation, but may be supported by specific hardware devices. */
-	pfd.cAuxBuffers = togl->AuxNumber;
-	pfd.iLayerType = PFD_MAIN_PLANE;
+        pixelformat = togl->PixelFormat;
+    } else {
+        pfd.cColorBits = togl->RgbaRed + togl->RgbaGreen + togl->RgbaBlue;
+        pfd.iPixelType = togl->RgbaFlag ? PFD_TYPE_RGBA : PFD_TYPE_COLORINDEX;
+        /* Alpha bitplanes are not supported in the current generic OpenGL
+         * implementation, but may be supported by specific hardware devices. */
+        pfd.cAlphaBits = togl->AlphaFlag ? togl->AlphaSize : 0;
+        pfd.cAccumBits = togl->AccumFlag ? (togl->AccumRed + togl->AccumGreen +
+                togl->AccumBlue + togl->AccumAlpha) : 0;
+        pfd.cDepthBits = togl->DepthFlag ? togl->DepthSize : 0;
+        pfd.cStencilBits = togl->StencilFlag ? togl->StencilSize : 0;
+        /* Auxiliary buffers are not supported in the current generic OpenGL
+         * implementation, but may be supported by specific hardware devices. */
+        pfd.cAuxBuffers = togl->AuxNumber;
+        pfd.iLayerType = PFD_MAIN_PLANE;
 
-	if ((pixelformat = ChoosePixelFormat(togl->tglGLHdc, &pfd)) == 0) {
-	    Tcl_SetResult(togl->Interp,
-			  TCL_STUPID "Togl: couldn't choose pixel format",
-			  TCL_STATIC);
-	    return DUMMY_WINDOW;
-	}
+        if ((pixelformat = ChoosePixelFormat(togl->tglGLHdc, &pfd)) == 0) {
+            Tcl_SetResult(togl->Interp,
+                    TCL_STUPID "Togl: couldn't choose pixel format",
+                    TCL_STATIC);
+            return DUMMY_WINDOW;
+        }
     }
     if (SetPixelFormat(togl->tglGLHdc, pixelformat, &pfd) == FALSE) {
-	Tcl_SetResult(togl->Interp,
-		      TCL_STUPID "Togl: couldn't choose pixel format",
-		      TCL_STATIC);
-	return DUMMY_WINDOW;
+        Tcl_SetResult(togl->Interp,
+                TCL_STUPID "Togl: couldn't choose pixel format", TCL_STATIC);
+        return DUMMY_WINDOW;
     }
 
     /* Get the actual pixel format */
-    DescribePixelFormat(togl->tglGLHdc, pixelformat, sizeof(pfd), &pfd);
+    DescribePixelFormat(togl->tglGLHdc, pixelformat, sizeof (pfd), &pfd);
     if (togl->PixelFormat) {
-	/* fill in flags normally passed in that affect behavior */
-	togl->RgbaFlag = pfd.iPixelType == PFD_TYPE_RGBA;
-	togl->DoubleFlag = pfd.cDepthBits > 0;
-	togl->StereoFlag = (pfd.dwFlags & PFD_STEREO) != 0;
-	// TODO: set depth flag, and more
+        /* fill in flags normally passed in that affect behavior */
+        togl->RgbaFlag = pfd.iPixelType == PFD_TYPE_RGBA;
+        togl->DoubleFlag = pfd.cDepthBits > 0;
+        togl->StereoFlag = (pfd.dwFlags & PFD_STEREO) != 0;
+        // TODO: set depth flag, and more
+    } else if (togl->StereoFlag && (pfd.dwFlags & PFD_STEREO) == 0) {
+        Tcl_SetResult(togl->Interp,
+                TCL_STUPID "Togl: couldn't choose stereo pixel format",
+                TCL_STATIC);
+        return DUMMY_WINDOW;
     }
-    else if (togl->StereoFlag && (pfd.dwFlags & PFD_STEREO) == 0) {
-	Tcl_SetResult(togl->Interp,
-		      TCL_STUPID "Togl: couldn't choose stereo pixel format",
-		      TCL_STATIC);
-	return DUMMY_WINDOW;
-    }
 
     if (togl->ShareContext && FindTogl(togl->ShareContext)) {
-	/* share OpenGL context with existing Togl widget */
-	Togl *shareWith = FindTogl(togl->ShareContext);
+        /* share OpenGL context with existing Togl widget */
+        Togl   *shareWith = FindTogl(togl->ShareContext);
 
-	assert(shareWith);
-	assert(shareWith->tglGLHglrc);
-	togl->tglGLHglrc = shareWith->tglGLHglrc;
-	togl->VisInfo = shareWith->VisInfo;
-	visinfo = togl->VisInfo;
-    }
-    else {
-	/* 
-	 * Create a new OpenGL rendering context. And check to share lists.
-	 */
-	togl->tglGLHglrc = wglCreateContext(togl->tglGLHdc);
+        assert(shareWith);
+        assert(shareWith->tglGLHglrc);
+        togl->tglGLHglrc = shareWith->tglGLHglrc;
+        togl->VisInfo = shareWith->VisInfo;
+        visinfo = togl->VisInfo;
+    } else {
+        /* 
+         * Create a new OpenGL rendering context. And check to share lists.
+         */
+        togl->tglGLHglrc = wglCreateContext(togl->tglGLHdc);
 
-	if (togl->ShareList) {
-	    /* share display lists with existing togl widget */
-	    Togl *shareWith = FindTogl(togl->ShareList);
+        if (togl->ShareList) {
+            /* share display lists with existing togl widget */
+            Togl   *shareWith = FindTogl(togl->ShareList);
 
-	    if (shareWith)
-		wglShareLists(shareWith->tglGLHglrc, togl->tglGLHglrc);
-	}
+            if (shareWith)
+                wglShareLists(shareWith->tglGLHglrc, togl->tglGLHglrc);
+        }
 
-	if (!togl->tglGLHglrc) {
-	    Tcl_SetResult(togl->Interp,
-			  TCL_STUPID "could not create rendering context",
-			  TCL_STATIC);
-	    return DUMMY_WINDOW;
-	}
+        if (!togl->tglGLHglrc) {
+            Tcl_SetResult(togl->Interp,
+                    TCL_STUPID "could not create rendering context",
+                    TCL_STATIC);
+            return DUMMY_WINDOW;
+        }
 
-	/* Just for portability, define the simplest visinfo */
-	visinfo = &VisInf;
-	visinfo->visual = DefaultVisual(dpy, DefaultScreen(dpy));
-	visinfo->depth = visinfo->visual->bits_per_rgb;
-	togl->VisInfo = visinfo;
+        /* Just for portability, define the simplest visinfo */
+        visinfo = &VisInf;
+        visinfo->visual = DefaultVisual(dpy, DefaultScreen(dpy));
+        visinfo->depth = visinfo->visual->bits_per_rgb;
+        togl->VisInfo = visinfo;
     }
 
 #endif /* TOGL_WGL */
@@ -2105,78 +2091,74 @@
      */
     scrnum = Tk_ScreenNumber(togl->TkWin);
     if (togl->RgbaFlag) {
-	/* Colormap for RGB mode */
+        /* Colormap for RGB mode */
 #if defined(TOGL_X11)
-	cmap = get_rgb_colormap(dpy, scrnum, visinfo, togl->TkWin);
+        cmap = get_rgb_colormap(dpy, scrnum, visinfo, togl->TkWin);
 
 #elif defined(TOGL_WGL)
-	if (pfd.dwFlags & PFD_NEED_PALETTE) {
-	    cmap = Win32CreateRgbColormap(pfd);
-	}
-	else {
-	    cmap = DefaultColormap(dpy, scrnum);
-	}
-	/* for EPS Output */
-	if (togl->EpsRedMap)
-	    free(togl->EpsRedMap);
-	if (togl->EpsGreenMap)
-	    free(togl->EpsGreenMap);
-	if (togl->EpsBlueMap)
-	    free(togl->EpsBlueMap);
-	togl->EpsRedMap = togl->EpsGreenMap = togl->EpsBlueMap = NULL;
-	togl->EpsMapSize = 0;
+        if (pfd.dwFlags & PFD_NEED_PALETTE) {
+            cmap = Win32CreateRgbColormap(pfd);
+        } else {
+            cmap = DefaultColormap(dpy, scrnum);
+        }
+        /* for EPS Output */
+        if (togl->EpsRedMap)
+            free(togl->EpsRedMap);
+        if (togl->EpsGreenMap)
+            free(togl->EpsGreenMap);
+        if (togl->EpsBlueMap)
+            free(togl->EpsBlueMap);
+        togl->EpsRedMap = togl->EpsGreenMap = togl->EpsBlueMap = NULL;
+        togl->EpsMapSize = 0;
 
 #elif defined(TOGL_AGL_CLASSIC) || defined(TOGL_AGL)
-	cmap = DefaultColormap(dpy, scrnum);
-	/* for EPS Output */
-	if (togl->EpsRedMap)
-	    free(togl->EpsRedMap);
-	if (togl->EpsGreenMap)
-	    free(togl->EpsGreenMap);
-	if (togl->EpsBlueMap)
-	    free(togl->EpsBlueMap);
-	togl->EpsRedMap = togl->EpsGreenMap = togl->EpsBlueMap = NULL;
-	togl->EpsMapSize = 0;
+        cmap = DefaultColormap(dpy, scrnum);
+        /* for EPS Output */
+        if (togl->EpsRedMap)
+            free(togl->EpsRedMap);
+        if (togl->EpsGreenMap)
+            free(togl->EpsGreenMap);
+        if (togl->EpsBlueMap)
+            free(togl->EpsBlueMap);
+        togl->EpsRedMap = togl->EpsGreenMap = togl->EpsBlueMap = NULL;
+        togl->EpsMapSize = 0;
 #endif /* TOGL_X11 */
-    }
-    else {
-	/* Colormap for CI mode */
+    } else {
+        /* Colormap for CI mode */
 #ifdef TOGL_WGL
-	togl->CiColormapSize = 1 << pfd.cColorBits;
-	togl->CiColormapSize = togl->CiColormapSize < MAX_CI_COLORMAP_SIZE ?
-	    togl->CiColormapSize : MAX_CI_COLORMAP_SIZE;
+        togl->CiColormapSize = 1 << pfd.cColorBits;
+        togl->CiColormapSize = togl->CiColormapSize < MAX_CI_COLORMAP_SIZE ?
+                togl->CiColormapSize : MAX_CI_COLORMAP_SIZE;
 
 #endif /* TOGL_WGL */
-	if (togl->PrivateCmapFlag) {
-	    /* need read/write colormap so user can store own color entries */
+        if (togl->PrivateCmapFlag) {
+            /* need read/write colormap so user can store own color entries */
 #if defined(TOGL_X11)
-	    cmap = XCreateColormap(dpy, XRootWindow(dpy, visinfo->screen),
-				   visinfo->visual, AllocAll);
+            cmap = XCreateColormap(dpy, XRootWindow(dpy, visinfo->screen),
+                    visinfo->visual, AllocAll);
 #elif defined(TOGL_WGL)
-	    cmap = Win32CreateCiColormap(togl);
+            cmap = Win32CreateCiColormap(togl);
 #elif defined(TOGL_AGL_CLASSIC) || defined(TOGL_AGL)
-	    /* need to figure out how to do this correctly on Mac... */
-	    cmap = DefaultColormap(dpy, scrnum);
+            /* need to figure out how to do this correctly on Mac... */
+            cmap = DefaultColormap(dpy, scrnum);
 #endif /* TOGL_X11 */
-	}
-	else {
-	    if (visinfo->visual == DefaultVisual(dpy, scrnum)) {
-		/* share default/root colormap */
-		cmap = Tk_Colormap(togl->TkWin);
-	    }
-	    else {
-		/* make a new read-only colormap */
-		cmap = XCreateColormap(dpy, XRootWindow(dpy, visinfo->screen),
-				       visinfo->visual, AllocNone);
-	    }
-	}
+        } else {
+            if (visinfo->visual == DefaultVisual(dpy, scrnum)) {
+                /* share default/root colormap */
+                cmap = Tk_Colormap(togl->TkWin);
+            } else {
+                /* make a new read-only colormap */
+                cmap = XCreateColormap(dpy, XRootWindow(dpy, visinfo->screen),
+                        visinfo->visual, AllocNone);
+            }
+        }
     }
 
 #if !defined(TOGL_AGL)
     /* Make sure Tk knows to switch to the new colormap when the cursor is over
      * this window when running in color index mode. */
-    (void)Tk_SetWindowVisual(togl->TkWin, visinfo->visual, visinfo->depth,
-			     cmap);
+    (void) Tk_SetWindowVisual(togl->TkWin, visinfo->visual, visinfo->depth,
+            cmap);
 #endif
 
 #ifdef TOGL_WGL
@@ -2190,238 +2172,232 @@
     swa.border_pixel = 0;
     swa.event_mask = ALL_EVENTS_MASK;
     window = XCreateWindow(dpy, parent,
-			   0, 0, togl->Width, togl->Height,
-			   0, visinfo->depth,
-			   InputOutput, visinfo->visual,
-			   CWBorderPixel | CWColormap | CWEventMask, &swa);
+            0, 0, togl->Width, togl->Height,
+            0, visinfo->depth,
+            InputOutput, visinfo->visual,
+            CWBorderPixel | CWColormap | CWEventMask, &swa);
     /* Make sure window manager installs our colormap */
-    (void)XSetWMColormapWindows(dpy, window, &window, 1);
+    (void) XSetWMColormapWindows(dpy, window, &window, 1);
 
 #elif defined(TOGL_WGL)
     window = Tk_AttachHWND(togl->TkWin, hwnd);
 
 #elif defined(TOGL_AGL_CLASSIC) || defined(TOGL_AGL)
     {
-	TkWindow *winPtr = (TkWindow *) togl->TkWin;
+        TkWindow *winPtr = (TkWindow *) togl->TkWin;
 
-	window = TkpMakeWindow(winPtr, parent);
+        window = TkpMakeWindow(winPtr, parent);
     }
 #endif /* TOGL_X11 */
 
 #ifdef USE_OVERLAY
     if (togl->OverlayFlag) {
-	if (SetupOverlay(togl) == TCL_ERROR) {
-	    fprintf(stderr, "Warning: couldn't setup overlay.\n");
-	    togl->OverlayFlag = False;
-	}
+        if (SetupOverlay(togl) == TCL_ERROR) {
+            fprintf(stderr, "Warning: couldn't setup overlay.\n");
+            togl->OverlayFlag = False;
+        }
     }
 #endif /* USE_OVERLAY */
 
     /* Request the X window to be displayed */
-    (void)XMapWindow(dpy, window);
+    (void) XMapWindow(dpy, window);
 
 #if defined(TOGL_AGL_CLASSIC) || defined(TOGL_AGL)
     if (togl->ShareContext && FindTogl(togl->ShareContext)) {
-	/* share OpenGL context with existing Togl widget */
-	Togl *shareWith = FindTogl(togl->ShareContext);
+        /* share OpenGL context with existing Togl widget */
+        Togl   *shareWith = FindTogl(togl->ShareContext);
 
-	assert(shareWith);
-	assert(shareWith->aglCtx);
-	togl->aglCtx = shareWith->aglCtx;
-	togl->VisInfo = shareWith->VisInfo;
-	visinfo = togl->VisInfo;
+        assert(shareWith);
+        assert(shareWith->aglCtx);
+        togl->aglCtx = shareWith->aglCtx;
+        togl->VisInfo = shareWith->VisInfo;
+        visinfo = togl->VisInfo;
 
-    }
-    else {
-	AGLContext shareCtx = NULL;
+    } else {
+        AGLContext shareCtx = NULL;
 
-	if (togl->PixelFormat) {
-	    /* fill in RgbaFlag, DoubleFlag, and StereoFlag */
-	    fmt = (AGLPixelFormat) togl->PixelFormat;
-	    GLint has_rgba, has_doublebuf, has_stereo;
+        if (togl->PixelFormat) {
+            /* fill in RgbaFlag, DoubleFlag, and StereoFlag */
+            fmt = (AGLPixelFormat) togl->PixelFormat;
+            GLint   has_rgba, has_doublebuf, has_stereo;
 
-	    if (aglDescribePixelFormat(fmt, AGL_RGBA, &has_rgba) &&
-		aglDescribePixelFormat(fmt, AGL_DOUBLEBUFFER, &has_doublebuf)
-		&& aglDescribePixelFormat(fmt, AGL_STEREO, &has_stereo)) {
-		togl->RgbaFlag = (has_rgba ? True : False);
-		togl->DoubleFlag = (has_doublebuf ? True : False);
-		togl->StereoFlag = (has_stereo ? True : False);
-	    }
-	    else {
-		Tcl_SetResult(togl->Interp,
-			      TCL_STUPID
-			      "Togl: failed querying pixel format attributes",
-			      TCL_STATIC);
-		return DUMMY_WINDOW;
-	    }
-	}
-	else {
+            if (aglDescribePixelFormat(fmt, AGL_RGBA, &has_rgba) &&
+                    aglDescribePixelFormat(fmt, AGL_DOUBLEBUFFER,
+                            &has_doublebuf)
+                    && aglDescribePixelFormat(fmt, AGL_STEREO, &has_stereo)) {
+                togl->RgbaFlag = (has_rgba ? True : False);
+                togl->DoubleFlag = (has_doublebuf ? True : False);
+                togl->StereoFlag = (has_stereo ? True : False);
+            } else {
+                Tcl_SetResult(togl->Interp,
+                        TCL_STUPID
+                        "Togl: failed querying pixel format attributes",
+                        TCL_STATIC);
+                return DUMMY_WINDOW;
+            }
+        } else {
 
-	    /* Need to do this after mapping window, so MacDrawable structure
-	     * is more completely filled in */
-	    na = 0;
-	    attribs[na++] = AGL_MINIMUM_POLICY;
-	    attribs[na++] = AGL_ROBUST;
-	    if (togl->RgbaFlag) {
-		/* RGB[A] mode */
-		attribs[na++] = AGL_RGBA;
-		attribs[na++] = AGL_RED_SIZE;
-		attribs[na++] = togl->RgbaRed;
-		attribs[na++] = AGL_GREEN_SIZE;
-		attribs[na++] = togl->RgbaGreen;
-		attribs[na++] = AGL_BLUE_SIZE;
-		attribs[na++] = togl->RgbaBlue;
-		if (togl->AlphaFlag) {
-		    attribs[na++] = AGL_ALPHA_SIZE;
-		    attribs[na++] = togl->AlphaSize;
-		}
-	    }
-	    else {
-		/* Color index mode */
-		attribs[na++] = AGL_BUFFER_SIZE;
-		attribs[na++] = 8;
-	    }
-	    if (togl->DepthFlag) {
-		attribs[na++] = AGL_DEPTH_SIZE;
-		attribs[na++] = togl->DepthSize;
-	    }
-	    if (togl->DoubleFlag) {
-		attribs[na++] = AGL_DOUBLEBUFFER;
-	    }
-	    if (togl->StencilFlag) {
-		attribs[na++] = AGL_STENCIL_SIZE;
-		attribs[na++] = togl->StencilSize;
-	    }
-	    if (togl->AccumFlag) {
-		attribs[na++] = AGL_ACCUM_RED_SIZE;
-		attribs[na++] = togl->AccumRed;
-		attribs[na++] = AGL_ACCUM_GREEN_SIZE;
-		attribs[na++] = togl->AccumGreen;
-		attribs[na++] = AGL_ACCUM_BLUE_SIZE;
-		attribs[na++] = togl->AccumBlue;
-		if (togl->AlphaFlag) {
-		    attribs[na++] = AGL_ACCUM_ALPHA_SIZE;
-		    attribs[na++] = togl->AccumAlpha;
-		}
-	    }
-	    if (togl->AuxNumber != 0) {
-		attribs[na++] = AGL_AUX_BUFFERS;
-		attribs[na++] = togl->AuxNumber;
-	    }
-	    attribs[na++] = AGL_NONE;
+            /* Need to do this after mapping window, so MacDrawable structure
+             * is more completely filled in */
+            na = 0;
+            attribs[na++] = AGL_MINIMUM_POLICY;
+            attribs[na++] = AGL_ROBUST;
+            if (togl->RgbaFlag) {
+                /* RGB[A] mode */
+                attribs[na++] = AGL_RGBA;
+                attribs[na++] = AGL_RED_SIZE;
+                attribs[na++] = togl->RgbaRed;
+                attribs[na++] = AGL_GREEN_SIZE;
+                attribs[na++] = togl->RgbaGreen;
+                attribs[na++] = AGL_BLUE_SIZE;
+                attribs[na++] = togl->RgbaBlue;
+                if (togl->AlphaFlag) {
+                    attribs[na++] = AGL_ALPHA_SIZE;
+                    attribs[na++] = togl->AlphaSize;
+                }
+            } else {
+                /* Color index mode */
+                attribs[na++] = AGL_BUFFER_SIZE;
+                attribs[na++] = 8;
+            }
+            if (togl->DepthFlag) {
+                attribs[na++] = AGL_DEPTH_SIZE;
+                attribs[na++] = togl->DepthSize;
+            }
+            if (togl->DoubleFlag) {
+                attribs[na++] = AGL_DOUBLEBUFFER;
+            }
+            if (togl->StencilFlag) {
+                attribs[na++] = AGL_STENCIL_SIZE;
+                attribs[na++] = togl->StencilSize;
+            }
+            if (togl->AccumFlag) {
+                attribs[na++] = AGL_ACCUM_RED_SIZE;
+                attribs[na++] = togl->AccumRed;
+                attribs[na++] = AGL_ACCUM_GREEN_SIZE;
+                attribs[na++] = togl->AccumGreen;
+                attribs[na++] = AGL_ACCUM_BLUE_SIZE;
+                attribs[na++] = togl->AccumBlue;
+                if (togl->AlphaFlag) {
+                    attribs[na++] = AGL_ACCUM_ALPHA_SIZE;
+                    attribs[na++] = togl->AccumAlpha;
+                }
+            }
+            if (togl->AuxNumber != 0) {
+                attribs[na++] = AGL_AUX_BUFFERS;
+                attribs[na++] = togl->AuxNumber;
+            }
+            attribs[na++] = AGL_NONE;
 
-	    if ((fmt = aglChoosePixelFormat(NULL, 0, attribs)) == NULL) {
-		Tcl_SetResult(togl->Interp,
-			      TCL_STUPID "Togl: couldn't choose pixel format",
-			      TCL_STATIC);
-		return DUMMY_WINDOW;
-	    }
-	}
+            if ((fmt = aglChoosePixelFormat(NULL, 0, attribs)) == NULL) {
+                Tcl_SetResult(togl->Interp,
+                        TCL_STUPID "Togl: couldn't choose pixel format",
+                        TCL_STATIC);
+                return DUMMY_WINDOW;
+            }
+        }
 
-	/* 
-	 * Check whether to share lists.
-	 */
-	if (togl->ShareList) {
-	    /* share display lists with existing togl widget */
-	    Togl *shareWith = FindTogl(togl->ShareList);
+        /* 
+         * Check whether to share lists.
+         */
+        if (togl->ShareList) {
+            /* share display lists with existing togl widget */
+            Togl   *shareWith = FindTogl(togl->ShareList);
 
-	    if (shareWith)
-		shareCtx = shareWith->aglCtx;
-	}
-	if ((togl->aglCtx = aglCreateContext(fmt, shareCtx)) == NULL) {
-	    GLenum err = aglGetError();
+            if (shareWith)
+                shareCtx = shareWith->aglCtx;
+        }
+        if ((togl->aglCtx = aglCreateContext(fmt, shareCtx)) == NULL) {
+            GLenum  err = aglGetError();
 
-	    aglDestroyPixelFormat(fmt);
-	    if (err == AGL_BAD_MATCH)
-		Tcl_SetResult(togl->Interp,
-			      TCL_STUPID
-			      "Togl: couldn't create context, shared context doesn't match",
-			      TCL_STATIC);
-	    else if (err == AGL_BAD_CONTEXT)
-		Tcl_SetResult(togl->Interp,
-			      TCL_STUPID
-			      "Togl: couldn't create context, bad shared context",
-			      TCL_STATIC);
-	    else if (err == AGL_BAD_PIXELFMT)
-		Tcl_SetResult(togl->Interp,
-			      TCL_STUPID
-			      "Togl: couldn't create context, bad pixel format",
-			      TCL_STATIC);
-	    else
-		Tcl_SetResult(togl->Interp,
-			      TCL_STUPID
-			      "Togl: couldn't create context, unknown reason",
-			      TCL_STATIC);
-	    return DUMMY_WINDOW;
-	}
+            aglDestroyPixelFormat(fmt);
+            if (err == AGL_BAD_MATCH)
+                Tcl_SetResult(togl->Interp,
+                        TCL_STUPID
+                        "Togl: couldn't create context, shared context doesn't match",
+                        TCL_STATIC);
+            else if (err == AGL_BAD_CONTEXT)
+                Tcl_SetResult(togl->Interp,
+                        TCL_STUPID
+                        "Togl: couldn't create context, bad shared context",
+                        TCL_STATIC);
+            else if (err == AGL_BAD_PIXELFMT)
+                Tcl_SetResult(togl->Interp,
+                        TCL_STUPID
+                        "Togl: couldn't create context, bad pixel format",
+                        TCL_STATIC);
+            else
+                Tcl_SetResult(togl->Interp,
+                        TCL_STUPID
+                        "Togl: couldn't create context, unknown reason",
+                        TCL_STATIC);
+            return DUMMY_WINDOW;
+        }
 
-	aglDestroyPixelFormat(fmt);
-	if (!aglSetDrawable(togl->aglCtx,
+        aglDestroyPixelFormat(fmt);
+        if (!aglSetDrawable(togl->aglCtx,
 #  if defined(TOGL_AGL)
-			    ((MacDrawable *) (window))->toplevel->grafPtr
+                        ((MacDrawable *) (window))->toplevel->grafPtr
 #  else
-			    ((MacDrawable *) (window))->toplevel->portPtr
+                        ((MacDrawable *) (window))->toplevel->portPtr
 #  endif
-	    )) {
-	    aglDestroyContext(togl->aglCtx);
-	    Tcl_SetResult(togl->Interp,
-			  TCL_STUPID "Togl: couldn't set drawable",
-			  TCL_STATIC);
-	    return DUMMY_WINDOW;
-	}
+                )) {
+            aglDestroyContext(togl->aglCtx);
+            Tcl_SetResult(togl->Interp,
+                    TCL_STUPID "Togl: couldn't set drawable", TCL_STATIC);
+            return DUMMY_WINDOW;
+        }
 
-	/* Just for portability, define the simplest visinfo */
-	visinfo = &VisInf;
-	visinfo->visual = DefaultVisual(dpy, DefaultScreen(dpy));
-	visinfo->depth = visinfo->visual->bits_per_rgb;
+        /* Just for portability, define the simplest visinfo */
+        visinfo = &VisInf;
+        visinfo->visual = DefaultVisual(dpy, DefaultScreen(dpy));
+        visinfo->depth = visinfo->visual->bits_per_rgb;
 
-	Tk_SetWindowVisual(togl->TkWin, visinfo->visual, visinfo->depth,
-			   cmap);
+        Tk_SetWindowVisual(togl->TkWin, visinfo->visual, visinfo->depth, cmap);
     }
 #endif /* TOGL_AGL_CLASSIC || TOGL_AGL */
 
 #if defined(TOGL_X11)
     /* Check for a single/double buffering snafu */
     {
-	int dbl_flag;
+        int     dbl_flag;
 
-	if (glXGetConfig(dpy, visinfo, GLX_DOUBLEBUFFER, &dbl_flag)) {
-	    if (!togl->DoubleFlag && dbl_flag) {
-		/* We requested single buffering but had to accept a */
-		/* double buffered visual.  Set the GL draw buffer to */
-		/* be the front buffer to simulate single buffering. */
-		glDrawBuffer(GL_FRONT);
-	    }
-	}
+        if (glXGetConfig(dpy, visinfo, GLX_DOUBLEBUFFER, &dbl_flag)) {
+            if (!togl->DoubleFlag && dbl_flag) {
+                /* We requested single buffering but had to accept a */
+                /* double buffered visual.  Set the GL draw buffer to */
+                /* be the front buffer to simulate single buffering. */
+                glDrawBuffer(GL_FRONT);
+            }
+        }
     }
 #endif /* TOGL_X11 */
 
     /* for EPS Output */
     if (!togl->RgbaFlag) {
-	int index_size;
+        int     index_size;
 
 #if defined(TOGL_X11) || defined(TOGL_AGL_CLASSIC) || defined(TOGL_AGL)
-	GLint index_bits;
+        GLint   index_bits;
 
-	glGetIntegerv(GL_INDEX_BITS, &index_bits);
-	index_size = 1 << index_bits;
+        glGetIntegerv(GL_INDEX_BITS, &index_bits);
+        index_size = 1 << index_bits;
 #elif defined(TOGL_WGL)
-	index_size = togl->CiColormapSize;
+        index_size = togl->CiColormapSize;
 #endif /* TOGL_X11 */
-	if (togl->EpsMapSize != index_size) {
-	    if (togl->EpsRedMap)
-		free(togl->EpsRedMap);
-	    if (togl->EpsGreenMap)
-		free(togl->EpsGreenMap);
-	    if (togl->EpsBlueMap)
-		free(togl->EpsBlueMap);
-	    togl->EpsMapSize = index_size;
-	    togl->EpsRedMap = (GLfloat *) calloc(index_size, sizeof(GLfloat));
-	    togl->EpsGreenMap =
-		(GLfloat *) calloc(index_size, sizeof(GLfloat));
-	    togl->EpsBlueMap =
-		(GLfloat *) calloc(index_size, sizeof(GLfloat));
-	}
+        if (togl->EpsMapSize != index_size) {
+            if (togl->EpsRedMap)
+                free(togl->EpsRedMap);
+            if (togl->EpsGreenMap)
+                free(togl->EpsGreenMap);
+            if (togl->EpsBlueMap)
+                free(togl->EpsBlueMap);
+            togl->EpsMapSize = index_size;
+            togl->EpsRedMap = (GLfloat *) calloc(index_size, sizeof (GLfloat));
+            togl->EpsGreenMap =
+                    (GLfloat *) calloc(index_size, sizeof (GLfloat));
+            togl->EpsBlueMap = (GLfloat *) calloc(index_size, sizeof (GLfloat));
+        }
     }
 
     return window;
@@ -2432,20 +2408,19 @@
  *
  *    Add support for setgrid option.
  */
-static void Togl_WorldChanged(ClientData instanceData)
+static void
+Togl_WorldChanged(ClientData instanceData)
 {
-    Togl *togl = (Togl *) instanceData;
+    Togl   *togl = (Togl *) instanceData;
 
     Tk_GeometryRequest(togl->TkWin, togl->Width, togl->Height);
     Tk_SetInternalBorder(togl->TkWin, 0);
     if (togl->SetGrid > 0) {
-	Tk_SetGrid(togl->TkWin, togl->Width / togl->SetGrid,
-		   togl->Height / togl->SetGrid, togl->SetGrid,
-		   togl->SetGrid);
+        Tk_SetGrid(togl->TkWin, togl->Width / togl->SetGrid,
+                togl->Height / togl->SetGrid, togl->SetGrid, togl->SetGrid);
+    } else {
+        Tk_UnsetGrid(togl->TkWin);
     }
-    else {
-	Tk_UnsetGrid(togl->TkWin);
-    }
 }
 
 /* 
@@ -2463,9 +2438,10 @@
  *
  *----------------------------------------------------------------------
  */
-static void ToglCmdDeletedProc(ClientData clientData)
+static void
+ToglCmdDeletedProc(ClientData clientData)
 {
-    Togl *togl = (Togl *) clientData;
+    Togl   *togl = (Togl *) clientData;
     Tk_Window tkwin = togl->TkWin;
 
     /* 
@@ -2476,40 +2452,40 @@
      */
 
     if (togl && tkwin) {
-	Tk_DeleteEventHandler(tkwin,
-			      ExposureMask | StructureNotifyMask,
-			      Togl_EventProc, (ClientData) togl);
+        Tk_DeleteEventHandler(tkwin,
+                ExposureMask | StructureNotifyMask,
+                Togl_EventProc, (ClientData) togl);
     }
 #if defined(TOGL_X11)
     if (togl->GlCtx) {
-	if (FindToglWithSameContext(togl) == NULL)
-	    glXDestroyContext(togl->display, togl->GlCtx);
-	togl->GlCtx = NULL;
+        if (FindToglWithSameContext(togl) == NULL)
+            glXDestroyContext(togl->display, togl->GlCtx);
+        togl->GlCtx = NULL;
     }
 #  ifdef USE_OVERLAY
     if (togl->OverlayCtx) {
-	Tcl_HashEntry *entryPtr;
-	TkWindow *winPtr = (TkWindow *) togl->TkWin;
+        Tcl_HashEntry *entryPtr;
+        TkWindow *winPtr = (TkWindow *) togl->TkWin;
 
-	if (winPtr) {
-	    entryPtr = Tcl_FindHashEntry(&winPtr->dispPtr->winTable,
-					 (char *)togl->OverlayWindow);
-	    Tcl_DeleteHashEntry(entryPtr);
-	}
-	if (FindToglWithSameOverlayContext(togl) == NULL)
-	    glXDestroyContext(togl->display, togl->OverlayCtx);
-	togl->OverlayCtx = NULL;
+        if (winPtr) {
+            entryPtr = Tcl_FindHashEntry(&winPtr->dispPtr->winTable,
+                    (char *) togl->OverlayWindow);
+            Tcl_DeleteHashEntry(entryPtr);
+        }
+        if (FindToglWithSameOverlayContext(togl) == NULL)
+            glXDestroyContext(togl->display, togl->OverlayCtx);
+        togl->OverlayCtx = NULL;
     }
 #  endif /* USE_OVERLAY */
 #endif
     /* TODO: delete contexts on other platforms */
 
     if (tkwin != NULL) {
-	if (togl->SetGrid > 0) {
-	    Tk_UnsetGrid(tkwin);
-	}
-	togl->TkWin = NULL;
-	Tk_DestroyWindow(tkwin);
+        if (togl->SetGrid > 0) {
+            Tk_UnsetGrid(tkwin);
+        }
+        togl->TkWin = NULL;
+        Tk_DestroyWindow(tkwin);
     }
 }
 
@@ -2519,25 +2495,26 @@
  *
  * Gets called when an Togl widget is destroyed.
  */
-static void Togl_Destroy(
+static void
+Togl_Destroy(
 #if (TK_MAJOR_VERSION * 100 + TK_MINOR_VERSION) >= 401
-			    char *
+        char *
 #else
-			    ClientData
+        ClientData
 #endif
-			    clientData)
+        clientData)
 {
-    Togl *togl = (Togl *) clientData;
+    Togl   *togl = (Togl *) clientData;
 
     Tk_FreeOptions(configSpecs, WIDGREC togl, togl->display, 0);
 
 #ifndef NO_TK_CURSOR
     if (togl->Cursor != None) {
-	Tk_FreeCursor(togl->display, togl->Cursor);
+        Tk_FreeCursor(togl->display, togl->Cursor);
     }
 #endif
     if (togl->DestroyProc) {
-	togl->DestroyProc(togl);
+        togl->DestroyProc(togl);
     }
 
     /* remove from linked list */
@@ -2554,184 +2531,188 @@
 /* 
  * This gets called to handle Togl window configuration events
  */
-static void Togl_EventProc(ClientData clientData, XEvent * eventPtr)
+static void
+Togl_EventProc(ClientData clientData, XEvent *eventPtr)
 {
-    Togl *togl = (Togl *) clientData;
+    Togl   *togl = (Togl *) clientData;
 
     switch (eventPtr->type) {
-    case Expose:
-	if (eventPtr->xexpose.count == 0) {
-	    if (!togl->UpdatePending
-		&& eventPtr->xexpose.window == Tk_WindowId(togl->TkWin)) {
-		Togl_PostRedisplay(togl);
-	    }
+      case Expose:
+          if (eventPtr->xexpose.count == 0) {
+              if (!togl->UpdatePending
+                      && eventPtr->xexpose.window == Tk_WindowId(togl->TkWin)) {
+                  Togl_PostRedisplay(togl);
+              }
 #if defined(TOGL_X11)
-	    if (!togl->OverlayUpdatePending && togl->OverlayFlag
-		&& togl->OverlayIsMapped
-		&& eventPtr->xexpose.window == togl->OverlayWindow) {
-		Togl_PostOverlayRedisplay(togl);
-	    }
+              if (!togl->OverlayUpdatePending && togl->OverlayFlag
+                      && togl->OverlayIsMapped
+                      && eventPtr->xexpose.window == togl->OverlayWindow) {
+                  Togl_PostOverlayRedisplay(togl);
+              }
 #endif /* TOGL_X11 */
-	}
-	break;
-    case ConfigureNotify:
-	if (togl->Width != Tk_Width(togl->TkWin)
-	    || togl->Height != Tk_Height(togl->TkWin)) {
-	    togl->Width = Tk_Width(togl->TkWin);
-	    togl->Height = Tk_Height(togl->TkWin);
-	    (void)XResizeWindow(Tk_Display(togl->TkWin),
-				Tk_WindowId(togl->TkWin), togl->Width,
-				togl->Height);
+          }
+          break;
+      case ConfigureNotify:
+          if (togl->Width != Tk_Width(togl->TkWin)
+                  || togl->Height != Tk_Height(togl->TkWin)) {
+              togl->Width = Tk_Width(togl->TkWin);
+              togl->Height = Tk_Height(togl->TkWin);
+              (void) XResizeWindow(Tk_Display(togl->TkWin),
+                      Tk_WindowId(togl->TkWin), togl->Width, togl->Height);
 #if defined(TOGL_X11)
-	    if (togl->OverlayFlag) {
-		(void)XResizeWindow(Tk_Display(togl->TkWin),
-				    togl->OverlayWindow, togl->Width,
-				    togl->Height);
-		(void)XRaiseWindow(Tk_Display(togl->TkWin),
-				   togl->OverlayWindow);
-	    }
+              if (togl->OverlayFlag) {
+                  (void) XResizeWindow(Tk_Display(togl->TkWin),
+                          togl->OverlayWindow, togl->Width, togl->Height);
+                  (void) XRaiseWindow(Tk_Display(togl->TkWin),
+                          togl->OverlayWindow);
+              }
 #endif /* TOGL_X11 */
-	    Togl_MakeCurrent(togl);
-	    if (togl->ReshapeProc) {
-		togl->ReshapeProc(togl);
-	    }
-	    else {
-		glViewport(0, 0, togl->Width, togl->Height);
+              Togl_MakeCurrent(togl);
+              if (togl->ReshapeProc) {
+                  togl->ReshapeProc(togl);
+              } else {
+                  glViewport(0, 0, togl->Width, togl->Height);
 #if defined(TOGL_X11)
-		if (togl->OverlayFlag) {
-		    Togl_UseLayer(togl, TOGL_OVERLAY);
-		    glViewport(0, 0, togl->Width, togl->Height);
-		    Togl_UseLayer(togl, TOGL_NORMAL);
-		}
+                  if (togl->OverlayFlag) {
+                      Togl_UseLayer(togl, TOGL_OVERLAY);
+                      glViewport(0, 0, togl->Width, togl->Height);
+                      Togl_UseLayer(togl, TOGL_NORMAL);
+                  }
 #endif /* TOGL_X11 */
-	    }
-#ifndef TOGL_WGL		/* causes double redisplay on Win32 platform */
-	    Togl_PostRedisplay(togl);
+              }
+#ifndef TOGL_WGL                /* causes double redisplay on Win32 platform */
+              Togl_PostRedisplay(togl);
 #endif /* TOGL_WGL */
-	}
-	break;
-    case MapNotify:
+          }
+          break;
+      case MapNotify:
 #if defined(TOGL_AGL)
-	{
-	    /* 
-	     * See comment for the UnmapNotify case below.
-	     */
-	    AGLDrawable d = TkMacOSXGetDrawablePort(Tk_WindowId(togl->TkWin));
+      {
+          /* 
+           * See comment for the UnmapNotify case below.
+           */
+          AGLDrawable d = TkMacOSXGetDrawablePort(Tk_WindowId(togl->TkWin));
 
-	    aglSetDrawable(togl->aglCtx, d);
-	}
+          aglSetDrawable(togl->aglCtx, d);
+      }
 #endif /* TOGL_AGL */
-	break;
-    case UnmapNotify:
+          break;
+      case UnmapNotify:
 #if defined(TOGL_AGL)
-	{
-	    /* 
-	     * For Mac OS X Aqua, Tk subwindows are not implemented as
-	     * separate Aqua windows.  They are just different regions of
-	     * a single Aqua window.  To unmap them they are just not drawn.
-	     * Have to disconnect the AGL context otherwise they will continue
-	     * to be displayed directly by Aqua.
-	     */
-	    aglSetDrawable(togl->aglCtx, NULL);
-	}
+      {
+          /* 
+           * For Mac OS X Aqua, Tk subwindows are not implemented as
+           * separate Aqua windows.  They are just different regions of
+           * a single Aqua window.  To unmap them they are just not drawn.
+           * Have to disconnect the AGL context otherwise they will continue
+           * to be displayed directly by Aqua.
+           */
+          aglSetDrawable(togl->aglCtx, NULL);
+      }
 #endif /* TOGL_AGL */
-	break;
-    case DestroyNotify:
-	if (togl->TkWin != NULL) {
-	    if (togl->SetGrid > 0) {
-		Tk_UnsetGrid(togl->TkWin);
-	    }
-	    togl->TkWin = NULL;
+          break;
+      case DestroyNotify:
+          if (togl->TkWin != NULL) {
+              if (togl->SetGrid > 0) {
+                  Tk_UnsetGrid(togl->TkWin);
+              }
+              togl->TkWin = NULL;
 #if (TCL_MAJOR_VERSION * 100 + TCL_MINOR_VERSION) >= 800
-	    /* This function new in Tcl/Tk 8.0 */
-	    (void)Tcl_DeleteCommandFromToken(togl->Interp, togl->widgetCmd);
+              /* This function new in Tcl/Tk 8.0 */
+              (void) Tcl_DeleteCommandFromToken(togl->Interp, togl->widgetCmd);
 #endif
-	}
-	if (togl->TimerProc != NULL) {
+          }
+          if (togl->TimerProc != NULL) {
 #if (TK_MAJOR_VERSION * 100 + TK_MINOR_VERSION) >= 401
-	    Tcl_DeleteTimerHandler(togl->timerHandler);
+              Tcl_DeleteTimerHandler(togl->timerHandler);
 #else
-	    Tk_DeleteTimerHandler(togl->timerHandler);
+              Tk_DeleteTimerHandler(togl->timerHandler);
 #endif
 
-	}
-	if (togl->UpdatePending) {
+          }
+          if (togl->UpdatePending) {
 #if (TCL_MAJOR_VERSION * 100 + TCL_MINOR_VERSION) >= 705
-	    Tcl_CancelIdleCall(Togl_Render