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Forms.h

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/*
    File:           Forms.h

    Function:       Integrates the 'Forms' user interface kit for SGIs into
                    the X window graphics system. (See XGraphicsSystem.h.)
                    
    Author(s):      Andrew Willmott

    Copyright:      (c) 1997-2000, Andrew Willmott
 */

#ifndef __Forms__
#define __Forms__

#include <forms.h>
#include <iostream.h>
#include <strstream.h>
#include "gcl/XGraphicsSystem.h"


// --- Forms Graphics System --------------------------------------------------


class FormsGraphicsSystem : public XGraphicsSystem
{
public:

    FormsGraphicsSystem(int argc, char **argv, char *name = 0);
                
    Void        CreateFormsPane(XEventPane *xpane, FL_OBJECT *object);
    Void        CreateWindow(XEventPane *xpane, Char *title = "OpenGL window",
                    Int width = 400, Int height = 400);
    
    // overrides
    
    Void        GetMouse(XEventPane *pane, Int *x, Int *y, UInt *keyState);
    Void        Spin();
    Void        Run();  
    Void        SignalDone();
};

// --- Form class -------------------------------------------------------------


class Form
{
public:
    Form();
        
    virtual Void    Event(FL_OBJECT *object);

    Void            Show();
    Void            Hide(); 
    
    Void            RegisterForm(FL_FORM *form);
    Void            RegisterObj(FL_OBJECT *object);

    Void            SetTitle(const Char *title);

    FL_FORM         *form;
    const Char      *title;
};


// --- The Field Class --------------------------------------------------------


/*
    Allows you to use streams to set Forms fields, e.g., 
        Field(myField) << "Blah blah blah" << show;
*/

class Field : public ostrstream
{
public:
    
    Field(FL_OBJECT *commentObj) : object(commentObj), ostrstream() {};

    virtual Void Show();

    String      fieldString;
    FL_OBJECT   *object;
};

class InputField : public Field
{
    public:
    
    InputField(FL_OBJECT *commentObj) : Field(commentObj) {};

    Void Show();    // override
};

ostream &show(ostream &s);


Void my_activate(FL_OBJECT *obj);       // These versions do dimming of 
Void my_deactivate(FL_OBJECT *obj);     // inactive controls. Kind of.

Void fl_deactivate_group(FL_OBJECT *obj);
Void fl_activate_group(FL_OBJECT *obj);


Void fl_set_menu_item_check(FL_OBJECT *obj, int item, Bool b);
Bool fl_get_menu_item_check(FL_OBJECT *obj, int item);


#endif

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