TEditor::TEditor( const TRect& bounds,
TScrollBar *aHScrollBar,
TScrollBar *aVScrollBar,
TIndicator *aIndicator,
size_t aBufSize ) :
TView( bounds ),
hScrollBar( aHScrollBar ),
vScrollBar( aVScrollBar ),
indicator( aIndicator ),
bufSize( aBufSize ),
canUndo( True ),
selecting( False ),
overwrite( False ),
autoIndent( False ) ,
lockCount( 0 ),
keyState( 0 )
{
growMode = gfGrowHiX | gfGrowHiY;
options |= ofSelectable;
eventMask = evMouseDown | evKeyDown | evCommand | evBroadcast;
showCursor();
initBuffer();
if( buffer != 0 )
isValid = True;
else
{
editorDialog( edOutOfMemory );
bufSize = 0;
isValid = False;
}
setBufLen(0);
}
void *TEditor::read( ipstream& is )
{
TView::read( is );
int temp;
is >> hScrollBar >> vScrollBar >> indicator
>> bufSize >> temp;
canUndo = Boolean(temp);
selecting = False;
overwrite = False;
autoIndent = False;
lockCount = 0;
keyState = 0;
initBuffer();
if( buffer != 0 )
isValid = True;
else
{
TEditor::editorDialog( edOutOfMemory, 0 );
bufSize = 0;
}
lockCount = 0;
lock();
setBufLen( 0 );
return this;
}
Boolean TFileEditor::loadFile()
{
ifstream f( fileName, ios::in | ios::binary );
if( !f )
{
setBufLen( 0 );
return True;
}
else
{
streampos crtpos = f.tellg();
f.seekg(0, ios_base::end);
long fSize = f.tellg();
f.seekg(crtpos);
if ( setBufSize(ulong(fSize)) == false )
{
editorDialog( edOutOfMemory );
return False;
}
else
{
if ( fSize > INT_MAX )
{
f.read( &buffer[bufSize - ulong(fSize)], INT_MAX );
f.read( &buffer[bufSize - ulong(fSize) + INT_MAX],
ulong(fSize - INT_MAX) );
}
else
f.read( &buffer[bufSize - ulong(fSize)], ulong(fSize) );
if( !f )
{
editorDialog( edReadError, fileName );
return False;
}
else
{
setBufLen(ulong(fSize));
return True;
}
}
}
}
Boolean TFileEditor::loadFile()
{
ifstream f( fileName, ios::in | ios::binary );
if( !f )
{
setBufLen( 0 );
return True;
}
else
{
long fSize = filelength( f.rdbuf()->fd() );
if( fSize > (UINT_MAX-0x1F) || setBufSize(ushort(fSize)) == False )
{
editorDialog( edOutOfMemory );
return False;
}
else
{
if ( fSize > INT_MAX )
{
f.read( &buffer[bufSize - size_t(fSize)], INT_MAX );
f.read( &buffer[bufSize - size_t(fSize) + INT_MAX],
size_t(fSize - INT_MAX) );
}
else
f.read( &buffer[bufSize - size_t(fSize)], size_t(fSize) );
if( !f )
{
editorDialog( edReadError, fileName );
return False;
}
else
{
setBufLen(size_t(fSize));
return True;
}
}
}
}