use std::time::Duration; use editor::{ClipboardSelection, Editor};use gpui::{ClipboardItem, ViewContext};use language::{CharKind, Point}; pub struct HighlightOnYank; pub fn copy_and_flash_selections_content( editor: &mut Editor, linewise: bool, cx: &mut ViewContext<Editor>,) { copy_selections_content_internal(editor, linewise, true, cx);} pub fn copy_selections_content(editor: &mut Editor, linewise: bool, cx: &mut ViewContext<Editor>) { copy_selections_content_internal(editor, linewise, false, cx);} fn copy_selections_content_internal( editor: &mut Editor, linewise: bool, highlight: bool, cx: &mut ViewContext<Editor>,) { 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 ranges_to_highlight = Vec::new(); { 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.row < buffer.max_buffer_row() && start == Point::new(start.row, buffer.line_len(start.row)); if is_last_line { start = Point::new(start.row + 1, 0); } let start_anchor = buffer.anchor_after(start); let end_anchor = buffer.anchor_before(end); ranges_to_highlight.push(start_anchor..end_anchor); 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)); if !highlight { return; } editor.highlight_background::<HighlightOnYank>( ranges_to_highlight, |colors| colors.editor_document_highlight_read_background, cx, ); cx.spawn(|this, mut cx| async move { cx.background_executor() .timer(Duration::from_millis(200)) .await; this.update(&mut cx, |editor, cx| { editor.clear_background_highlights::<HighlightOnYank>(cx) }) .ok(); }) .detach();} pub fn coerce_punctuation(kind: CharKind, treat_punctuation_as_word: bool) -> CharKind { if treat_punctuation_as_word && kind == CharKind::Punctuation { CharKind::Word } else { kind }}
use std::time::Duration;
use editor::{ClipboardSelection, Editor};
use gpui::{ClipboardItem, ViewContext};
use language::{CharKind, Point};
pub struct HighlightOnYank;
pub fn copy_and_flash_selections_content(
editor: &mut Editor,
linewise: bool,
cx: &mut ViewContext<Editor>,
) {
copy_selections_content_internal(editor, linewise, true, cx);
}
pub fn copy_selections_content(editor: &mut Editor, linewise: bool, cx: &mut ViewContext<Editor>) {
copy_selections_content_internal(editor, linewise, false, cx);
}
fn copy_selections_content_internal(
editor: &mut Editor,
linewise: bool,
highlight: bool,
cx: &mut ViewContext<Editor>,
) {
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 ranges_to_highlight = Vec::new();
{
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.row < buffer.max_buffer_row()
&& start == Point::new(start.row, buffer.line_len(start.row));
if is_last_line {
start = Point::new(start.row + 1, 0);
}
let start_anchor = buffer.anchor_after(start);
let end_anchor = buffer.anchor_before(end);
ranges_to_highlight.push(start_anchor..end_anchor);
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));
if !highlight {
return;
}
editor.highlight_background::<HighlightOnYank>(
ranges_to_highlight,
|colors| colors.editor_document_highlight_read_background,
cx,
);
cx.spawn(|this, mut cx| async move {
cx.background_executor()
.timer(Duration::from_millis(200))
.await;
this.update(&mut cx, |editor, cx| {
editor.clear_background_highlights::<HighlightOnYank>(cx)
})
.ok();
})
.detach();
}
pub fn coerce_punctuation(kind: CharKind, treat_punctuation_as_word: bool) -> CharKind {
if treat_punctuation_as_word && kind == CharKind::Punctuation {
CharKind::Word
} else {
kind
}
}