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/*
* THistoryViewer.cc
*
* Turbo Vision - Version 2.0
*
* Copyright (c) 1994 by Borland International
* All Rights Reserved.
*
* Modified by Sergio Sigala <sergio@sigala.it>
*/
#define Uses_TKeys
#define Uses_THistoryViewer
#define Uses_TScrollBar
#define Uses_TEvent
#include <tvision/tv.h>
#include <ctype.h>
#include <string.h>
#define cpHistoryViewer "\x06\x06\x07\x06\x06"
THistoryViewer::THistoryViewer( const TRect& bounds,
TScrollBar *aHScrollBar,
TScrollBar *aVScrollBar,
ushort aHistoryId) :
TListViewer(bounds, 1, aHScrollBar, aVScrollBar),
historyId( aHistoryId )
{
setRange( historyCount( aHistoryId ) );
if( range > 1 )
focusItem( 1 );
hScrollBar->setRange( 0, historyWidth() - size.x + 3 );
}
TPalette& THistoryViewer::getPalette() const
{
static TPalette palette( cpHistoryViewer, sizeof( cpHistoryViewer )-1 );
return palette;
}
void THistoryViewer::getText( char *dest, short item, short maxChars )
{
const char *str = historyStr( historyId, item );
if( str != 0 )
{
strncpy( dest, str, maxChars );
dest[maxChars] = '\0';
}
else
*dest = EOS;
}
void THistoryViewer::handleEvent( TEvent& event )
{
if( (event.what == evMouseDown && (event.mouse.eventFlags & meDoubleClick) ) ||
(event.what == evKeyDown && event.keyDown.keyCode == kbEnter)
)
{
endModal( cmOK );
clearEvent( event );
}
else
if( (event.what == evKeyDown && event.keyDown.keyCode == kbEsc) ||
(event.what == evCommand && event.message.command == cmCancel)
)
{
endModal( cmCancel );
clearEvent( event );
}
else
TListViewer::handleEvent( event );
}
int THistoryViewer::historyWidth()
{
int width = 0;
int count = historyCount( historyId );
for( int i = 0; i < count; i++ )
{
int T = strlen( historyStr( historyId, i ) );
width = max( width, T );
}
return width;
}
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