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tvision.git/examples/tvdemo/tvdemo1.cpp  view on Meta::CPAN

                setScreenMode((ushort)newMode);
                }
            break;
        case evMouseDown:
            if (event.mouse.buttons == mbRightButton)
                event.what = evNothing;
            break;
        }

}  

//
// Create statusline.
//

TStatusLine *TVDemo::initStatusLine( TRect r )
{
    r.a.y = r.b.y - 1;

    return (new TStatusLine( r,
      *new TStatusDef( 0, 50 ) +
        *new TStatusItem( "~F1~ Help", kbF1, cmHelp ) +
        *new TStatusItem( "~Alt-X~ Exit", kbAltX, cmQuit ) +
        *new TStatusItem( 0, kbShiftDel, cmCut ) +
        *new TStatusItem( 0, kbCtrlIns, cmCopy ) +
        *new TStatusItem( 0, kbShiftIns, cmPaste ) +
        *new TStatusItem( 0, kbAltF3, cmClose ) +
        *new TStatusItem( 0, kbF10, cmMenu ) +
        *new TStatusItem( 0, kbF5, cmZoom ) +
        *new TStatusItem( 0, kbCtrlF5, cmResize ) +
      *new TStatusDef( 50, 0xffff ) +
        *new TStatusItem( "Howdy", kbF1, cmHelp )
        )
    );
}


//
// Puzzle function
//

void TVDemo::puzzle()
{
    TPuzzleWindow *puzz = (TPuzzleWindow *) validView(new TPuzzleWindow);

    if(puzz != 0)
        {
        puzz->helpCtx = hcPuzzle;
        deskTop->insert(puzz);
	}
}


//
// retrieveDesktop() function ( restores the previously stored Desktop )
//

void TVDemo::retrieveDesktop()
{
    if (!ifstream("TVDEMO.DST").good())
        messageBox("Could not find desktop file", mfOKButton | mfError);
    else 
        {
        fpstream *f = new fpstream("TVDEMO.DST", ios::in|ios::binary);
        if( !f )
            messageBox("Could not open desktop file", mfOKButton | mfError);
        else
           {
           TVDemo::loadDesktop(*f);
           if( !f )
               messageBox("Error reading desktop file", mfOKButton | mfError);
           }
        delete f;
        }
}

//
// saveDesktop() function ( saves the DeskTop by calling storeDesktop function )
//

void TVDemo::saveDesktop()
{
    fpstream *f = new fpstream("TVDEMO.DST", ios::out|ios::binary);

    if( f )
        {
        TVDemo::storeDesktop(*f);
        if( !f )
            {
            messageBox("Could not create TVDEMO.DST.", mfOKButton | mfError);
            delete f;
            ::remove("TVDEMO.DST");
            return;
            }
        }
    delete f;
}

//
// writeView() function ( writes a view object to a resource file )
//

static void writeView(TView *p, void *strm)
{
   fpstream *s = (fpstream *) strm;
   if (p != TProgram::deskTop->last)
      *s << p;
}

//
// storeDesktop() function ( stores the Desktop in a resource file )
//

void TVDemo::storeDesktop(fpstream& s)
{
  deskTop->forEach(::writeView, &s);
  s << 0;
}