/*
* ConditionalCurrentLineReplaceUndoEnd - do the above if there are changes
*/
void ConditionalCurrentLineReplaceUndoEnd( void )
{
if( lineSave->len == CurrentLine->len ) {
if( !memcmp( lineSave->data, CurrentLine->data, lineSave->len ) ) {
CurrentLineReplaceUndoCancel();
return;
}
}
CurrentLineReplaceUndoEnd( TRUE );
} /* ConditionalCurrentLineReplaceUndoEnd */
/*
* DeleteRangeOnCurrentLine - perform the deletion
*/
vi_rc DeleteRangeOnCurrentLine( int scol, int ecol, int savebuf_flag )
{
int i;
vi_rc rc;
/*
* verify range
*/
if( scol > ecol ) {
i = scol;
scol = ecol;
ecol = i;
}
/*
* go delete block and set up undo
*/
CurrentLineReplaceUndoStart();
rc = DeleteBlockFromCurrentLine( scol, ecol, savebuf_flag );
if( rc != ERR_NO_ERR ) {
CurrentLineReplaceUndoCancel();
return( rc );
}
DisplayWorkLine( TRUE );
ReplaceCurrentLine();
CurrentLineReplaceUndoEnd( TRUE );
EditFlags.Dotable = TRUE;
if( savebuf_flag ) {
#ifdef __WIN__
if( LastSavebuf == 0 ) {
Message1( "%d characters deleted into the clipboard", ecol - scol + 1 );
} else {
#endif
Message1( "%d %s%s%c", ecol - scol + 1, MSG_CHARACTERS,
MSG_DELETEDINTOBUFFER, LastSavebuf );
#ifdef __WIN__
}
#endif
}
return( ERR_NO_ERR );
} /* DeleteRangeOnCurrentLine */
/*
* DeleteAndInsertText - delete text range, then insert at beginning
*/
vi_rc DeleteAndInsertText( int scol, int ecol )
{
int startcol;
vi_rc rc;
StartUndoGroup( UndoStack );
CurrentLineReplaceUndoStart();
currLineRepUndo = TRUE;
if( ecol >= 0 ) {
if( CurrentLine->len > 0 ) {
rc = DeleteBlockFromCurrentLine( scol, ecol, FALSE );
if( rc == ERR_NO_ERR ) {
startcol = CurrentPos.column;
if( scol > ecol ) {
startcol = ecol + 1;
}
if( startcol > WorkLine->len ) {
startcol = WorkLine->len + 1;
}
DisplayWorkLine( TRUE );
ReplaceCurrentLine();
rc = GoToColumnOK( startcol );
}
if( rc != ERR_NO_ERR ) {
CurrentLineReplaceUndoCancel();
EndUndoGroup( UndoStack );
return( rc );
}
} else {
ReplaceCurrentLine();
}
}
continueInsertText( CurrentPos.column, FALSE );
return( ERR_NO_ERR );
} /* DeleteAndInsertText */
