hello.cpp

/*---------------------------------------------------------*/
/*                                                         */
/*   Turbo Vision Hello World Demo Source File             */
/*                                                         */
/*---------------------------------------------------------*/
/*
 *      Turbo Vision - Version 2.0
 *
 *      Copyright (c) 1994 by Borland International
 *      All Rights Reserved.
 *
 */

#define Uses_TKeys
#define Uses_TApplication
#define Uses_TEvent
#define Uses_TRect
#define Uses_TDialog
#define Uses_TStaticText
#define Uses_TButton
#define Uses_TMenuBar
#define Uses_TSubMenu
#define Uses_TMenuItem
#define Uses_TStatusLine
#define Uses_TStatusItem
#define Uses_TStatusDef
#define Uses_TDeskTop
#include <tvision/tv.h>

const int GreetThemCmd = 100;

class THelloApp : public TApplication
{

public:

    THelloApp();

    virtual void handleEvent( TEvent& event );
    static TMenuBar *initMenuBar( TRect );
    static TStatusLine *initStatusLine( TRect );

private:

    void greetingBox();
};

THelloApp::THelloApp() :
    TProgInit( &THelloApp::initStatusLine,
               &THelloApp::initMenuBar,
               &THelloApp::initDeskTop
             )
{
}

void THelloApp::greetingBox()
{
    TDialog *d = new TDialog(TRect( 25, 5, 55, 16 ), "Hello, World!" );

    d->insert( new TStaticText( TRect( 3, 5, 15, 6 ), "How are you?" ) );
    d->insert( new TButton( TRect( 16, 2, 28, 4 ), "Terrific", cmCancel, bfNormal ) );
    d->insert( new TButton( TRect( 16, 4, 28, 6 ), "Ok", cmCancel, bfNormal ) );
    d->insert( new TButton( TRect( 16, 6, 28, 8 ), "Lousy", cmCancel, bfNormal ) );
    d->insert( new TButton( TRect( 16, 8, 28, 10 ), "Cancel", cmCancel, bfNormal ) );

    deskTop->execView( d );
    destroy(d);
}

void THelloApp::handleEvent( TEvent& event )
{
    TApplication::handleEvent( event );
    if( event.what == evCommand )
        {
        switch( event.message.command )
            {
            case GreetThemCmd:
                greetingBox();
                clearEvent( event );
                break;
            default:
                break;
            }
        }
}

TMenuBar *THelloApp::initMenuBar( TRect r )
{

    r.b.y = r.a.y+1;

    return new TMenuBar( r,
      *new TSubMenu( "~H~ello", kbAltH ) +
        *new TMenuItem( "~G~reeting...", GreetThemCmd, kbAltG ) +
         newLine() +
        *new TMenuItem( "E~x~it", cmQuit, cmQuit, hcNoContext, "Alt-X" )
        );

}

TStatusLine *THelloApp::initStatusLine( TRect r )
{
    r.a.y = r.b.y-1;
    return new TStatusLine( r,
        *new TStatusDef( 0, 0xFFFF ) +
            *new TStatusItem( "~Alt-X~ Exit", kbAltX, cmQuit ) +
            *new TStatusItem( 0, kbF10, cmMenu )
            );
}

int main()
{
    THelloApp helloWorld;
    helloWorld.run();
    return 0;
}