selectedLineRange method
Implementation
({int startLine, int endLine}) selectedLineRange() {
final currentSelection = _selection;
if (currentSelection == null || currentSelection.isCollapsed) {
return (startLine: _cursor.line, endLine: _cursor.line);
}
return (
startLine: math.min(
currentSelection.start.line,
currentSelection.end.line,
),
endLine: math.max(currentSelection.start.line, currentSelection.end.line),
);
}