void TextEdit::select_cur_line()
{
if(-1 != curHighlightRow)
{
int goLineIndex = highLightRows.indexOf(curHighlightRow);
if(goLineIndex < highLightRows.size())
go_to_line(curHighlightRow);
}
}
void TextEdit::go_to_previous_row()
{
if(-1 == curHighlightRow)
return;
int goLineIndex = highLightRows.indexOf(curHighlightRow)-1;
if(goLineIndex >= 0)
{
curHighlightRow = highLightRows[goLineIndex];
go_to_line(curHighlightRow);
/*
QDesktopWidget* desktopWidget = QApplication::desktop();
//得到客户区矩形
QRect clientRect = desktopWidget->availableGeometry();
//得到应用程序矩形
//QRect applicationRect = desktopWidget->screenGeometry();
int height = clientRect.height();
//int height = applicationRect.height();
qDebug() << height;
textEdit->verticalScrollBar()->setValue(textEdit->verticalScrollBar()->value() - height/2);
*/
}
}
void BasicStream::init(size_t start, size_t end) {
_start = start;
_end = end;
_line_number = _start;
// Read from normal file
if (_fs.is_open())
_fs.close();
_fs.open(DataStream::_filename.c_str());
if (!_fs.is_open())
throw std::runtime_error(RED_ERROR + "Cannot load file: " + DataStream::_filename);
if (DataStream::_size == 0)
DataStream::_size = count_lines(DataStream::_filename);
go_to_line(_fs, _start);
_end = min(DataStream::_size, _end);
DataStream::_size = min(DataStream::_size, _end - _start);
}
void BasicStream::rewind() {
_fs.clear();
go_to_line(_fs, _start);
_line_number = _start;
}
