/*
   Functions.m

   Generic Functions for the GNUstep GUI Library.

   Copyright (C) 1996,1999 Free Software Foundation, Inc.

   Author:  Scott Christley <scottc@net-community.com>
   Date: 1996
   
   This file is part of the GNUstep GUI Library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; see the file COPYING.LIB.
   If not, write to the Free Software Foundation,
   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/ 

#include <Foundation/NSAutoreleasePool.h>
#include <Foundation/NSBundle.h>

#include <AppKit/NSApplication.h>
#include <AppKit/NSEvent.h>
#include <AppKit/NSGraphicsContext.h>

char **NSArgv = NULL;

/*
 * Main initialization routine for the GNUstep GUI Library Apps
 */
int
NSApplicationMain(int argc, const char **argv)
{
  NSDictionary		*infoDict;
  NSString		*className;
  Class			appClass;
  CREATE_AUTORELEASE_POOL(pool);
#if LIB_FOUNDATION_LIBRARY
  extern char		**environ;

  [NSProcessInfo initializeWithArguments: (char**)argv
				   count: argc
			     environment: environ];
#endif

#ifndef NX_CURRENT_COMPILER_RELEASE
  initialize_gnustep_backend();
#endif

  infoDict = [[NSBundle mainBundle] infoDictionary];
  className = [infoDict objectForKey: @"NSPrincipalClass"];
  appClass = NSClassFromString(className);

  if (appClass == 0)
    {
      NSLog(@"Bad application class '%@' specified", className);
      appClass = [NSApplication class];
    }

  [[appClass sharedApplication] run];

  DESTROY(NSApp);

  RELEASE(pool);

  return 0;
}

/*
 * Convert an NSEvent Type to it's respective Event Mask
 */
unsigned
NSEventMaskFromType(NSEventType type)
{
  switch(type)
    {
      case NSLeftMouseDown:	return NSLeftMouseDownMask;
      case NSLeftMouseUp:	return NSLeftMouseUpMask;
      case NSRightMouseDown:	return NSRightMouseDownMask;
      case NSRightMouseUp:	return NSRightMouseUpMask;
      case NSMouseMoved:	return NSMouseMovedMask;
      case NSMouseEntered:	return NSMouseEnteredMask;
      case NSMouseExited:	return NSMouseExitedMask;
      case NSLeftMouseDragged:	return NSLeftMouseDraggedMask;
      case NSRightMouseDragged:	return NSRightMouseDraggedMask;
      case NSKeyDown:		return NSKeyDownMask;
      case NSKeyUp:		return NSKeyUpMask;
      case NSFlagsChanged:	return NSFlagsChangedMask;
      case NSPeriodic:		return NSPeriodicMask;
      case NSCursorUpdate:	return NSCursorUpdateMask;
      case NSAppKitDefined:	return NSAppKitDefinedMask;
      case NSSystemDefined:	return NSSystemDefinedMask;
      case NSApplicationDefined: return NSApplicationDefinedMask;
    }
  return 0;
}