void TEditor::doSearchReplace()
{
int i;
do {
i = cmCancel;
if( search(findStr, editorFlags) == False )
{
if( (editorFlags & (efReplaceAll | efDoReplace)) !=
(efReplaceAll | efDoReplace) )
editorDialog( edSearchFailed );
}
else
if( (editorFlags & efDoReplace) != 0 )
{
i = cmYes;
if( (editorFlags & efPromptOnReplace) != 0 )
{
TPoint c = makeGlobal( cursor );
i = editorDialog( edReplacePrompt, &c );
}
if( i == cmYes )
{
lock();
insertText( replaceStr, strlen(replaceStr), False);
trackCursor(False);
unlock();
}
}
} while( i != cmCancel && (editorFlags & efReplaceAll) != 0 );
}
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);
}
Boolean TFileEditor::valid( ushort command )
{
if( command == cmValid )
return isValid;
else
{
if( modified == True )
{
int d;
if( *fileName == EOS )
d = edSaveUntitled;
else
d = edSaveModify;
switch( editorDialog( d, fileName ) )
{
case cmYes:
return save();
case cmNo:
modified = False;
return True;
case cmCancel:
return False;
}
}
}
return True;
}
void TEditor::find()
{
TFindDialogRec findRec( findStr, editorFlags );
if( editorDialog( edFind, &findRec ) != cmCancel )
{
strcpy( findStr, findRec.find );
editorFlags = findRec.options & ~efDoReplace;
doSearchReplace();
}
}
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::saveFile()
{
char drive[MAXDRIVE];
char dir[MAXDIR];
char file[MAXFILE];
char ext[MAXEXT];
if( (editorFlags & efBackupFiles) != 0 )
{
fnsplit( fileName, drive, dir, file, ext );
char backupName[MAXPATH];
fnmerge( backupName, drive, dir, file, backupExt );
unlink( backupName );
rename( fileName, backupName );
}
ofstream f( fileName, ios::out | ios::binary );
if( !f )
{
editorDialog( edCreateError, fileName );
return False;
}
else
{
writeBlock( f, buffer, curPtr );
writeBlock( f, buffer+curPtr+gapLen, bufLen-curPtr );
if( !f )
{
editorDialog( edWriteError, fileName );
return False;
}
else
{
modified = False;
update(ufUpdate);
}
}
return True;
}
void TEditor::replace()
{
TReplaceDialogRec replaceRec( findStr, replaceStr, editorFlags );
if( editorDialog( edReplace, &replaceRec ) != cmCancel )
{
strcpy( findStr, replaceRec.find );
strcpy( replaceStr, replaceRec.replace );
editorFlags = replaceRec.options | efDoReplace;
doSearchReplace();
}
}
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;
}
}
}
}
Boolean TFileEditor::saveAs()
{
Boolean res = False;
if( editorDialog( edSaveAs, fileName ) != cmCancel )
{
fexpand( fileName );
message( owner, evBroadcast, cmUpdateTitle, 0 );
res = saveFile();
if( isClipboard() == True )
*fileName = EOS;
}
return res;
}
Boolean TEditor::insertBuffer( char *p,
ushort offset,
ushort length,
Boolean allowUndo,
Boolean selectText
)
{
selecting = False;
ushort selLen = selEnd - selStart;
if( selLen == 0 && length == 0 )
return True;
ushort delLen = 0;
if( allowUndo == True )
if( curPtr == selStart )
delLen = selLen;
else
if( selLen > insCount )
delLen = selLen - insCount;
long newSize = long(bufLen + delCount - selLen + delLen) + length;
if( newSize > bufLen + delCount )
if( newSize > 0xFFE0l || setBufSize(ushort(newSize)) == False )
{
editorDialog( edOutOfMemory );
return False;
}
ushort selLines = countLines( &buffer[bufPtr(selStart)], selLen );
if( curPtr == selEnd )
{
if( allowUndo == True )
{
if( delLen > 0 )
memmove(
&buffer[curPtr + gapLen - delCount - delLen],
&buffer[selStart],
delLen
);
insCount -= selLen - delLen;
}
curPtr = selStart;
curPos.y -= selLines;
}
if( delta.y > curPos.y )
{
delta.y -= selLines;
if( delta.y < curPos.y )
delta.y = curPos.y;
}
if( length > 0 )
memmove(
&buffer[curPtr],
&p[offset],
length
);
ushort lines = countLines( &buffer[curPtr], length );
curPtr += length;
curPos.y += lines;
drawLine = curPos.y;
drawPtr = lineStart(curPtr);
curPos.x = charPos(drawPtr, curPtr);
if( selectText == False )
selStart = curPtr;
selEnd = curPtr;
bufLen += length - selLen;
gapLen -= length - selLen;
if( allowUndo == True )
{
delCount += delLen;
insCount += length;
}
limit.y += lines - selLines;
delta.y = max(0, min(delta.y, limit.y - size.y));
if( isClipboard() == False )
modified = True;
setBufSize(bufLen + delCount);
if( selLines == 0 && lines == 0 )
update(ufLine);
else
update(ufView);
return True;
}
