use editor::{ClipboardSelection, Editor};use gpui::{AppContext, ClipboardItem};use language::Point; pub fn copy_selections_content(editor: &mut Editor, linewise: bool, cx: &mut AppContext) {    let selections = editor.selections.all_adjusted(cx);    let buffer = editor.buffer().read(cx).snapshot(cx);    let mut text = String::new();    let mut clipboard_selections = Vec::with_capacity(selections.len());    {        let mut is_first = true;        for selection in selections.iter() {            let mut start = selection.start;            let end = selection.end;            if is_first {                is_first = false;            } else {                text.push_str("\n");            }            let initial_len = text.len();             // if the file does not end with \n, and our line-mode selection ends on            // that line, we will have expanded the start of the selection to ensure it            // contains a newline (so that delete works as expected). We undo that change            // here.            let is_last_line = linewise                && end.row == buffer.max_buffer_row()                && buffer.max_point().column > 0                && start == Point::new(start.row, buffer.line_len(start.row));             if is_last_line {                start = Point::new(buffer.max_buffer_row(), 0);            }            for chunk in buffer.text_for_range(start..end) {                text.push_str(chunk);            }            if is_last_line {                text.push_str("\n");            }            clipboard_selections.push(ClipboardSelection {                len: text.len() - initial_len,                is_entire_line: linewise,                first_line_indent: buffer.indent_size_for_line(start.row).len,            });        }    }     cx.write_to_clipboard(ClipboardItem::new(text).with_metadata(clipboard_selections));}