/**************************************************************************
 * gui.h
 *
 * Written 1998 by Durk Talsma, started Juni, 1998.  For the flight gear
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * $Id$
 **************************************************************************/


#ifndef _GUI_H_
#define _GUI_H_

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#ifdef HAVE_WINDOWS_H
#  include <windows.h>
#endif

#include <GL/glut.h>		// needed before pu.h
#include <plib/pu.h>		// plib include

// gui.cxx
extern void guiInit();
extern void guiToggleMenu(void);
extern void mkDialog(const char *txt);
extern void ConfirmExitDialog(void);

extern void fgDumpSnapShot();

extern puFont guiFnt;
extern fntTexFont *guiFntHandle;
extern int gui_menu_on;

// GLOBAL COMMON DIALOG BOX TEXT STRINGS
extern char *gui_msg_OK;     // "OK"
extern char *gui_msg_NO;     // "NO"
extern char *gui_msg_YES;    // "YES"
extern char *gui_msg_CANCEL; // "CANCEL"
extern char *gui_msg_RESET;  // "RESET"

// mouse.cxx
extern void guiMotionFunc ( int x, int y );
extern void guiMouseFunc(int button, int updown, int x, int y);
extern void maybeToggleMouse( void );
extern void BusyCursor( int restore );
extern void CenterView( void );
extern void TurnCursorOn( void );
extern void TurnCursorOff( void );

// MACROS TO HELP KEEP PUI LIVE INTERFACE STACK IN SYNC
// These insure that the mouse is active when dialog is shown
// and try to the maintain the original mouse state when hidden
// These will also repair any damage done to the Panel if active

// Activate Dialog Box
#define FG_PUSH_PUI_DIALOG( X ) \
    maybeToggleMouse(); \
    puPushLiveInterface( (X) ) ; \
    ( X )->reveal()

// Deactivate Dialog Box
#define FG_POP_PUI_DIALOG( X ) \
    (X)->hide(); \
    puPopLiveInterface(); \
    maybeToggleMouse();

// Finalize Dialog Box Construction 
#define FG_FINALIZE_PUI_DIALOG( X ) \
    ( X )->close(); \
    ( X )->hide(); \
    puPopLiveInterface();
            
#endif // _GUI_H_