/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkTkAppInit.cxx
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

  Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
/* 
 * tkAppInit.c --
 *
 *      Provides a default version of the Tcl_AppInit procedure for
 *      use in wish and similar Tk-based applications.
 *
 * Copyright (c) 1993 The Regents of the University of California.
 * Copyright (c) 1994 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#ifdef VTK_COMPILED_USING_MPI
# include <mpi.h>
# include "vtkMPIController.h"
#endif // VTK_COMPILED_USING_MPI

#include "vtkSystemIncludes.h"
#include "vtkToolkits.h"
#include "Wrapping/Tcl/vtkTkAppInitConfigure.h"

#if defined(CMAKE_INTDIR)
# define VTK_TCL_PACKAGE_DIR VTK_TCL_PACKAGE_DIR_BUILD "/" CMAKE_INTDIR
#else
# define VTK_TCL_PACKAGE_DIR VTK_TCL_PACKAGE_DIR_BUILD
#endif

#ifdef VTK_USE_RENDERING
# include "tk.h"
#else
# include "tcl.h"
#endif

/*
 * Make sure all the kits register their classes with vtkInstantiator.
 */
#include "vtkCommonInstantiator.h"
#include "vtkFilteringInstantiator.h"
#include "vtkIOInstantiator.h"
#include "vtkImagingInstantiator.h"
#include "vtkGraphicsInstantiator.h"

#ifdef VTK_USE_RENDERING
#include "vtkRenderingInstantiator.h"
#endif

#ifdef VTK_USE_PATENTED
#include "vtkPatentedInstantiator.h"
#endif

#ifdef VTK_USE_HYBRID
#include "vtkHybridInstantiator.h"
#endif

#ifdef VTK_USE_PARALLEL
#include "vtkParallelInstantiator.h"
#endif

static void vtkTkAppInitEnableMSVCDebugHook();

/*
 *----------------------------------------------------------------------
 *
 * main --
 *
 *      This is the main program for the application.
 *
 * Results:
 *      None: Tk_Main never returns here, so this procedure never
 *      returns either.
 *
 * Side effects:
 *      Whatever the application does.
 *
 *----------------------------------------------------------------------
 */
#ifdef VTK_COMPILED_USING_MPI
class vtkMPICleanup {
public:
  vtkMPICleanup()
    {
      this->Controller = 0;
    }
  void Initialize(int *argc, char ***argv)
    {
      MPI_Init(argc, argv);
      this->Controller = vtkMPIController::New();
      this->Controller->Initialize(argc, argv, 1);
      vtkMultiProcessController::SetGlobalController(this->Controller);      
    }
  ~vtkMPICleanup()
    {
      if ( this->Controller )
        {
        this->Controller->Finalize();
        this->Controller->Delete();
        }
    }
private:
  vtkMPIController *Controller;
};

static vtkMPICleanup VTKMPICleanup;

#endif // VTK_COMPILED_USING_MPI

int
main(int argc, char **argv)
{
  ios::sync_with_stdio();
  vtkTkAppInitEnableMSVCDebugHook();

#ifdef VTK_COMPILED_USING_MPI
  VTKMPICleanup.Initialize(&argc, &argv);
#endif // VTK_COMPILED_USING_MPI

#ifdef VTK_USE_RENDERING
  Tk_Main(argc, argv, Tcl_AppInit);
#else
  Tcl_Main(argc, argv, Tcl_AppInit);
#endif

  return 0;                  /* Needed only to prevent compiler warning. */
}


/*
 *----------------------------------------------------------------------
 *
 * Tcl_AppInit --
 *
 *      This procedure performs application-specific initialization.
 *      Most applications, especially those that incorporate additional
 *      packages, will have their own version of this procedure.
 *
 * Results:
 *      Returns a standard Tcl completion code, and leaves an error
 *      message in interp->result if an error occurs.
 *
 * Side effects:
 *      Depends on the startup script.
 *
 *----------------------------------------------------------------------
 */

extern "C" int Vtkcommontcl_Init(Tcl_Interp *interp);
extern "C" int Vtkfilteringtcl_Init(Tcl_Interp *interp);
extern "C" int Vtkimagingtcl_Init(Tcl_Interp *interp);
extern "C" int Vtkgraphicstcl_Init(Tcl_Interp *interp);
extern "C" int Vtkiotcl_Init(Tcl_Interp *interp);

#ifdef VTK_USE_RENDERING
extern "C" int Vtkrenderingtcl_Init(Tcl_Interp *interp);
#if defined(VTK_DISABLE_TK_INIT) && !defined(VTK_USE_COCOA)
extern "C" int Vtktkrenderwidget_Init(Tcl_Interp *interp);
extern "C" int Vtktkimageviewerwidget_Init(Tcl_Interp *interp);
#endif
#endif

#ifdef VTK_USE_PATENTED
extern "C" int Vtkpatentedtcl_Init(Tcl_Interp *interp);
#endif

#ifdef VTK_USE_HYBRID
extern "C" int Vtkhybridtcl_Init(Tcl_Interp *interp);
#endif

#ifdef VTK_USE_PARALLEL
extern "C" int Vtkparalleltcl_Init(Tcl_Interp *interp);
#endif

void help() {
  
}

int Tcl_AppInit(Tcl_Interp *interp)
{
  if (Tcl_Init(interp) == TCL_ERROR) {
  return TCL_ERROR;
  }
#ifdef VTK_USE_RENDERING
  if (Tk_Init(interp) == TCL_ERROR) {
  return TCL_ERROR;
  }
#endif
  /* init the core vtk stuff */
  if (Vtkcommontcl_Init(interp) == TCL_ERROR) 
    {
    return TCL_ERROR;
    }
  if (Vtkfilteringtcl_Init(interp) == TCL_ERROR) 
    {
    return TCL_ERROR;
    }
  if (Vtkimagingtcl_Init(interp) == TCL_ERROR) 
    {
    return TCL_ERROR;
    }
  if (Vtkgraphicstcl_Init(interp) == TCL_ERROR) 
    {
    return TCL_ERROR;
    }
  if (Vtkiotcl_Init(interp) == TCL_ERROR) 
    {
    return TCL_ERROR;
    }
    
#ifdef VTK_USE_RENDERING
  if (Vtkrenderingtcl_Init(interp) == TCL_ERROR) 
    {
    return TCL_ERROR;
    }
#if defined(VTK_DISABLE_TK_INIT) && !defined(VTK_USE_COCOA)
  // Need to init here because rendering did not when this option is on
  if (Vtktkrenderwidget_Init(interp) == TCL_ERROR) 
    {
    return TCL_ERROR;
    }
  if (Vtktkimageviewerwidget_Init(interp) == TCL_ERROR) 
    {
    return TCL_ERROR;
    }
#endif
#endif

#ifdef VTK_USE_PATENTED
  if (Vtkpatentedtcl_Init(interp) == TCL_ERROR) 
    {
    return TCL_ERROR;
    }
#endif

#ifdef VTK_USE_HYBRID
  if (Vtkhybridtcl_Init(interp) == TCL_ERROR) 
    {
    return TCL_ERROR;
    }
#endif

#ifdef VTK_USE_PARALLEL
  if (Vtkparalleltcl_Init(interp) == TCL_ERROR) 
    {
    return TCL_ERROR;
    }
#endif

  /*
   * Append path to VTK packages to auto_path
   */
  static char script[] =
    "foreach dir [list {" VTK_TCL_PACKAGE_DIR "} {" VTK_TCL_INSTALL_DIR "}"
    " [file join [file dirname [file dirname [info nameofexecutable]]] Wrapping Tcl]"
    " [file join [file dirname [file dirname [info nameofexecutable]]] lib vtk tcl]"
    " ] {\n"
    "  if {[file isdirectory $dir]} {\n"
    "    lappend auto_path $dir\n"
    "  }\n"
    "}\n"
    "rename package package.orig\n"
    "proc package {args} {\n"
    "  if {[catch {set package_res [eval package.orig $args]} catch_res]} {\n"
    "    global errorInfo env\n"
    "    if {[lindex $args 0] == \"require\"} {\n"
    "      set expecting {can\'t find package vtk}\n"
    "      if {![string compare -length [string length $expecting] $catch_res $expecting]} {\n"
    "        set msg {The Tcl interpreter was probably not able to find the" 
    " VTK packages.  Please check that your TCLLIBPATH environment variable"
    " includes the path to your VTK Tcl directory.  You might find it under"
    " your VTK binary directory in Wrapping/Tcl, or under your"
    " site-specific {CMAKE_INSTALL_PREFIX}/lib/vtk/tcl directory.}\n"
    "        if {[info exists env(TCLLIBPATH)]} {\n"
    "          append msg \"  The TCLLIBPATH current value is: $env(TCLLIBPATH).\"\n"
    "        }\n"
    "        set errorInfo \"$msg  The TCLLIBPATH variable is a set of"
    " space separated paths (hence, path containing spaces should be"
    " surrounded by quotes first). Windows users should use forward"
    " (Unix-style) slashes \'/\' instead of the usual backward slashes. "
    " More informations can be found in the Wrapping/Tcl/README source"
    " file (also available online at"
    " http://www.vtk.org/cgi-bin/cvsweb.cgi/~checkout~/VTK/Wrapping/Tcl/README).\n"
    "$errorInfo\"\n"
    "      }\n"
    "    }\n"
    "  error $catch_res $errorInfo\n"
    "  }\n"
    "  return $package_res\n"
    "}\n";

  Tcl_Eval(interp, script);

  /*
   * Specify a user-specific startup file to invoke if the application
   * is run interactively.  Typically the startup file is "~/.apprc"
   * where "app" is the name of the application.  If this line is deleted
   * then no user-specific startup file will be run under any conditions.
   */
  
  Tcl_SetVar(interp,
             (char *) "tcl_rcFileName",
             (char *) "~/.vtkrc",
             TCL_GLOBAL_ONLY);
  return TCL_OK;
}

// For a DEBUG build on MSVC, add a hook to prevent error dialogs when
// being run from DART.
#if defined(_MSC_VER) && defined(_DEBUG)
# include <crtdbg.h>
static int vtkTkAppInitDebugReport(int, char* message, int*)
{
  fprintf(stderr, message);
  exit(1);
  return 0;
}
void vtkTkAppInitEnableMSVCDebugHook()
{
  if(getenv("DART_TEST_FROM_DART"))
    {
    _CrtSetReportHook(vtkTkAppInitDebugReport);
    }
}
#else
void vtkTkAppInitEnableMSVCDebugHook()
{
}
#endif
