/****************************************************************************
  
  GLUI User Interface Toolkit
  ---------------------------

     glui.h - Main header for GLUI User Interface Toolkit


          --------------------------------------------------

  Copyright (c) 1998 Paul Rademacher

  This program is freely distributable without licensing fees and is
  provided without guarantee or warrantee expressed or implied. This
  program is -not- in the public domain.

*****************************************************************************/


#ifndef _GLUI_H_
#define _GLUI_H_

#include <GL/glut.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#define GLUI_VERSION 2.01f    /********** Current version **********/

class Arcball;

/********** Do some basic defines *******/
#ifndef false
#define true 1
#define false 0
#endif

#ifndef Byte
#define Byte unsigned char
#endif

#ifndef _RGBC_
class RGBc {
public:
  Byte r, g, b;
    
  void set(Byte r,Byte g,Byte b) {this->r=r;this->g=g;this->b=b;};
    
  RGBc( void ) {};
  RGBc( Byte r, Byte g, Byte b ) { set( r, g, b ); };
};
#define _RGBC_
#endif

/********** List of GLUT callbacks ********/

enum GLUI_Glut_CB_Types { 
  GLUI_GLUT_RESHAPE,
  GLUI_GLUT_KEYBOARD,
  GLUI_GLUT_DISPLAY,
  GLUI_GLUT_MOUSE,
  GLUI_GLUT_MOTION,
  GLUI_GLUT_SPECIAL,
  GLUI_GLUT_PASSIVE_MOTION,  
  GLUI_GLUT_ENTRY,
  GLUI_GLUT_VISIBILITY  
};

/********** List of control types **********/
enum GLUI_Control_Types {
  GLUI_CONTROL_CHECKBOX =1,
  GLUI_CONTROL_BUTTON,
  GLUI_CONTROL_RADIOBUTTON,
  GLUI_CONTROL_RADIOGROUP,
  GLUI_CONTROL_SLIDER,
  GLUI_CONTROL_STATICTEXT,
  GLUI_CONTROL_EDITTEXT,
  GLUI_CONTROL_BITMAP,
  GLUI_CONTROL_PANEL,
  GLUI_CONTROL_SPINNER,
  GLUI_CONTROL_SEPARATOR,
  GLUI_CONTROL_COLUMN,
  GLUI_CONTROL_LISTBOX,
  GLUI_CONTROL_MOUSE_INTERACTION,
  GLUI_CONTROL_ROTATION,
  GLUI_CONTROL_TRANSLATION,
  GLUI_CONTROL_ROLLOUT
};


/********* Constants for window placement **********/
#define GLUI_XOFF                     6
#define GLUI_YOFF                     6
#define GLUI_ITEMSPACING              3
#define GLUI_CHECKBOX_SIZE           13
#define GLUI_RADIOBUTTON_SIZE        13
#define GLUI_BUTTON_SIZE             20
#define GLUI_STATICTEXT_SIZE         13
#define GLUI_SEPARATOR_HEIGHT         8
#define GLUI_DEFAULT_CONTROL_WIDTH  100
#define GLUI_DEFAULT_CONTROL_HEIGHT  13 
#define GLUI_EDITTEXT_BOXINNERMARGINX   3
#define GLUI_EDITTEXT_HEIGHT            20
#define GLUI_EDITTEXT_WIDTH            130
#define GLUI_EDITTEXT_MIN_INT_WIDTH   35
#define GLUI_EDITTEXT_MIN_TEXT_WIDTH   50
#define GLUI_PANEL_NAME_DROP           8
#define GLUI_PANEL_EMBOSS_TOP          4
/* #define GLUI_ROTATION_WIDTH            60*/
/*  #define GLUI_ROTATION_HEIGHT           78 */
#define GLUI_ROTATION_WIDTH            50
#define GLUI_ROTATION_HEIGHT           (GLUI_ROTATION_WIDTH+18)
#define GLUI_MOUSE_INTERACTION_WIDTH   50
#define GLUI_MOUSE_INTERACTION_HEIGHT  (GLUI_MOUSE_INTERACTION_WIDTH)+18


/** Different panel control types **/
#define GLUI_PANEL_NONE      0
#define GLUI_PANEL_EMBOSSED  1
#define GLUI_PANEL_RAISED    2


/**  Max # of els in control's float_array  **/
#define GLUI_DEF_MAX_ARRAY  30

/********* The control's 'active' behavior *********/
#define GLUI_CONTROL_ACTIVE_MOUSEDOWN       1
#define GLUI_CONTROL_ACTIVE_PERMANENT       2


/********* Control alignment types **********/
#define GLUI_ALIGN_CENTER   1
#define GLUI_ALIGN_RIGHT    2
#define GLUI_ALIGN_LEFT     3


/********** Limit types - how to limit spinner values *********/
#define GLUI_LIMIT_NONE    0
#define GLUI_LIMIT_CLAMP   1
#define GLUI_LIMIT_WRAP    2


/********** Translation control types ********************/

#define GLUI_TRANSLATION_XY 0
#define GLUI_TRANSLATION_Z  1
#define GLUI_TRANSLATION_X  2
#define GLUI_TRANSLATION_Y  3

#define GLUI_TRANSLATION_LOCK_NONE 0
#define GLUI_TRANSLATION_LOCK_X    1
#define GLUI_TRANSLATION_LOCK_Y    2

/********** How was a control activated? *****************/
#define GLUI_ACTIVATE_MOUSE 1
#define GLUI_ACTIVATE_TAB   2


/********** What type of live variable does a control have? **********/
#define GLUI_LIVE_NONE          0
#define GLUI_LIVE_INT           1
#define GLUI_LIVE_FLOAT         2
#define GLUI_LIVE_TEXT          3
#define GLUI_LIVE_DOUBLE        4
#define GLUI_LIVE_FLOAT_ARRAY   5


/**********  Translation codes  **********/

enum TranslationCodes  {
  GLUI_TRANSLATION_MOUSE_NONE=0,
  GLUI_TRANSLATION_MOUSE_UP,
  GLUI_TRANSLATION_MOUSE_DOWN,
  GLUI_TRANSLATION_MOUSE_LEFT,
  GLUI_TRANSLATION_MOUSE_RIGHT,
  GLUI_TRANSLATION_MOUSE_UP_LEFT,
  GLUI_TRANSLATION_MOUSE_UP_RIGHT,
  GLUI_TRANSLATION_MOUSE_DOWN_LEFT,
  GLUI_TRANSLATION_MOUSE_DOWN_RIGHT
};

/************ A string type for us to use **********/
/*  typedef char  GLUI_String[300]; */
class GLUI_String
{
public:
  char string[300];

  char &operator[]( int i ) {
    return string[i];
  }

  operator char*() { return (char*) &string[0]; };
  /*    operator void*() { return (void*) &string[0]; }; */

  GLUI_String( void ) {
    string[0] = '\0';
  }

  GLUI_String( char *text ) {
    strcpy( string, text );
  }
};


/********* Pre-declare the various classes *********/
class GLUI;
class GLUI_Control;
class GLUI_Listbox;
class GLUI_Rotation;
class GLUI_Translation;
class GLUI_Mouse_Interaction;
class GLUI_Checkbox;
class GLUI_Slider;
class GLUI_Button;
class GLUI_StaticText;
class GLUI_Bitmap;
class GLUI_EditText;
class GLUI_Node;
class GLUI_Main;
class GLUI_Panel;
class GLUI_Spinner;
class GLUI_RadioButton;
class GLUI_RadioGroup;
class GLUI_Separator;
class GLUI_Column;
class GLUI_Master;
class GLUI_Glut_Window;
class GLUI_Rollout;



/*** Flags for GLUI class constructor ***/
#define  GLUI_SUBWINDOW          ((long)(1<< 1))
#define  GLUI_SUBWINDOW_TOP      ((long)(1<< 2))
#define  GLUI_SUBWINDOW_BOTTOM   ((long)(1<< 3))
#define  GLUI_SUBWINDOW_LEFT     ((long)(1<< 4))
#define  GLUI_SUBWINDOW_RIGHT    ((long)(1<< 5))

/*** Codes for different type of edittext boxes and spinners ***/
#define GLUI_EDITTEXT_TEXT             1
#define GLUI_EDITTEXT_INT              2
#define GLUI_EDITTEXT_FLOAT            3
#define GLUI_SPINNER_INT               GLUI_EDITTEXT_INT
#define GLUI_SPINNER_FLOAT             GLUI_EDITTEXT_FLOAT



/*** Definition of callbacks ***/
typedef void (*GLUI_Update_CB) (int id);
typedef void (*Int1_CB)        (int);
typedef void (*Int2_CB)        (int, int);
typedef void (*Int3_CB)        (int, int, int);
typedef void (*Int4_CB)        (int, int, int, int);

				 

/************************************************************/
/*                                                          */
/*          Base class, for hierarchical relationships      */
/*                                                          */
/************************************************************/

class GLUI_Node {
protected:
  GLUI_Node *parent_node;
  GLUI_Node *child_head;
  GLUI_Node *child_tail;
  GLUI_Node *next_sibling;
  GLUI_Node *prev_sibling;

public:
  GLUI_Node *first_sibling( void );
  GLUI_Node *last_sibling( void );
  GLUI_Node *prev( void );
  GLUI_Node *next( void );
  GLUI_Node *first_child( void )   { return child_head; };
  GLUI_Node *last_child( void )    { return child_tail; };
  GLUI_Node *parent(void)          { return parent_node; };

  void      link_this_to_parent_last( GLUI_Node *parent );
  void      link_this_to_parent_first( GLUI_Node *parent );
  void      link_this_to_sibling_next( GLUI_Node *sibling );
  void      link_this_to_sibling_prev( GLUI_Node *sibling );
  void      unlink( void );

  void dump( FILE *out, char *name ) {
    fprintf( out, "GLUI_node: %s\n", name );
    fprintf( out, "   parent: %p     child_head: %p    child_tail: %p\n",
	     parent_node, child_head, child_tail );
    fprintf( out, "   next: %p       prev: %p\n", next_sibling, prev_sibling );
  }

  GLUI_Node( void ) { 
    parent_node= child_head = child_tail = next_sibling = prev_sibling = NULL;
  }; 

  friend GLUI_Rollout;
  friend GLUI_Main;
};



/************************************************************/
/*                                                          */
/*                  Standard Bitmap stuff                   */
/*                                                          */
/************************************************************/

enum GLUI_StdBitmaps_Codes {
  GLUI_STDBITMAP_CHECKBOX_OFF=0,
  GLUI_STDBITMAP_CHECKBOX_ON,
  GLUI_STDBITMAP_RADIOBUTTON_OFF,
  GLUI_STDBITMAP_RADIOBUTTON_ON,
  GLUI_STDBITMAP_UP_ARROW,
  GLUI_STDBITMAP_DOWN_ARROW,
  GLUI_STDBITMAP_LEFT_ARROW,
  GLUI_STDBITMAP_RIGHT_ARROW,
  GLUI_STDBITMAP_SPINNER_UP_OFF,
  GLUI_STDBITMAP_SPINNER_UP_ON,
  GLUI_STDBITMAP_SPINNER_DOWN_OFF,
  GLUI_STDBITMAP_SPINNER_DOWN_ON,

  GLUI_STDBITMAP_CHECKBOX_OFF_DIS,    /*** Disactivated control bitmaps ***/
  GLUI_STDBITMAP_CHECKBOX_ON_DIS,
  GLUI_STDBITMAP_RADIOBUTTON_OFF_DIS,
  GLUI_STDBITMAP_RADIOBUTTON_ON_DIS,
  GLUI_STDBITMAP_SPINNER_UP_DIS,
  GLUI_STDBITMAP_SPINNER_DOWN_DIS,
  GLUI_STDBITMAP_LISTBOX_UP,
  GLUI_STDBITMAP_LISTBOX_DOWN,
  GLUI_STDBITMAP_LISTBOX_UP_DIS,
  /***
    GLUI_STDBITMAP_SLIDER_TAB,
    ***/
  GLUI_STDBITMAP_NUM_ITEMS
};


/************ Image Bitmap arrays **********/
extern int glui_img_checkbox_0[];
extern int glui_img_checkbox_1[];
extern int glui_img_radiobutton_0[];
extern int glui_img_radiobutton_1[];
extern int glui_img_uparrow[];
extern int glui_img_downarrow[];
extern int glui_img_leftarrow[];
extern int glui_img_rightarrow[];
extern int glui_img_spinup_0[];
extern int glui_img_spinup_1[];
extern int glui_img_spindown_0[];
extern int glui_img_spindown_1[];
extern int glui_img_checkbox_0_dis[];
extern int glui_img_checkbox_1_dis[];
extern int glui_img_radiobutton_0_dis[];
extern int glui_img_radiobutton_1_dis[];
extern int glui_img_spinup_dis[];
extern int glui_img_spindown_dis[];
extern int glui_img_listbox_up[];
extern int glui_img_listbox_down[];
extern int glui_img_listbox_up_dis[];

extern int *bitmap_arrays[];



/************************************************************/
/*                                                          */
/*                  Class GLUI_Bitmap                       */
/*                                                          */
/************************************************************/
class GLUI_Bitmap 
{
public:
  unsigned char *pixels;
  int            w, h;
  
  void load_from_array( int *array );

  GLUI_Bitmap( void ) {
    pixels = NULL;
    w      = 0;
    h      = 0;
  }
};




/************************************************************/
/*                                                          */
/*                  Class GLUI_StdBitmap                    */
/*                                                          */
/************************************************************/
class GLUI_StdBitmaps
{
public:
  GLUI_Bitmap bitmaps[ GLUI_STDBITMAP_NUM_ITEMS ];

  void draw( int bitmap_num, int x, int y );
  
  GLUI_StdBitmaps( void ) {
    int i;

    for( i=0; i<GLUI_STDBITMAP_NUM_ITEMS; i++ ) {
      bitmaps[i].load_from_array( bitmap_arrays[i] );
    }
  }
};




/************************************************************/
/*                                                          */
/*                     Master GLUI Class                    */
/*                                                          */
/************************************************************/
class GLUI_Master_Object {
private:
  GLUI_Node     glut_windows;