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Merge pull request #2035 from zed-industries/always-auto-indent-block-on-paste

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Always auto-indent in block-wise mode when pasting
This commit is contained in:
Max Brunsfeld 2023-01-17 10:24:41 -08:00 committed by GitHub
commit 1a6a807db5
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 108 additions and 21 deletions
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4
crates/editor/src/editor.rs
View File

@ -2020,7 +2020,9 @@ impl Editor {
old_selections
.iter()
.map(|s| (s.start..s.end, text.clone())),
Some(AutoindentMode::EachLine),
Some(AutoindentMode::Block {
original_indent_columns: Vec::new(),
}),
cx,
);
anchors

30
crates/language/src/buffer.rs
View File

@ -1349,13 +1349,6 @@ impl Buffer {
let edit_id = edit_operation.local_timestamp();
if let Some((before_edit, mode)) = autoindent_request {
let (start_columns, is_block_mode) = match mode {
AutoindentMode::Block {
original_indent_columns: start_columns,
} => (start_columns, true),
AutoindentMode::EachLine => (Default::default(), false),
};
let mut delta = 0isize;
let entries = edits
.into_iter()
@ -1369,7 +1362,7 @@ impl Buffer {
let mut range_of_insertion_to_indent = 0..new_text_len;
let mut first_line_is_new = false;
let mut start_column = None;
let mut original_indent_column = None;
// When inserting an entire line at the beginning of an existing line,
// treat the insertion as new.
@ -1381,14 +1374,23 @@ impl Buffer {
// When inserting text starting with a newline, avoid auto-indenting the
// previous line.
if new_text[range_of_insertion_to_indent.clone()].starts_with('\n') {
if new_text.starts_with('\n') {
range_of_insertion_to_indent.start += 1;
first_line_is_new = true;
}
// Avoid auto-indenting after the insertion.
if is_block_mode {
start_column = start_columns.get(ix).copied();
if let AutoindentMode::Block {
original_indent_columns,
} = &mode
{
original_indent_column =
Some(original_indent_columns.get(ix).copied().unwrap_or_else(|| {
indent_size_for_text(
new_text[range_of_insertion_to_indent.clone()].chars(),
)
.len
}));
if new_text[range_of_insertion_to_indent.clone()].ends_with('\n') {
range_of_insertion_to_indent.end -= 1;
}
@ -1396,7 +1398,7 @@ impl Buffer {
AutoindentRequestEntry {
first_line_is_new,
original_indent_column: start_column,
original_indent_column,
indent_size: before_edit.language_indent_size_at(range.start, cx),
range: self.anchor_before(new_start + range_of_insertion_to_indent.start)
..self.anchor_after(new_start + range_of_insertion_to_indent.end),
@ -1407,7 +1409,7 @@ impl Buffer {
self.autoindent_requests.push(Arc::new(AutoindentRequest {
before_edit,
entries,
is_block_mode,
is_block_mode: matches!(mode, AutoindentMode::Block { .. }),
}));
}
@ -2414,7 +2416,7 @@ impl BufferSnapshot {
}
}
pub fn indent_size_for_line(text: &text::BufferSnapshot, row: u32) -> IndentSize {
fn indent_size_for_line(text: &text::BufferSnapshot, row: u32) -> IndentSize {
indent_size_for_text(text.chars_at(Point::new(row, 0)))
}

87
crates/language/src/buffer_tests.rs
View File

@ -995,6 +995,11 @@ fn test_autoindent_block_mode(cx: &mut MutableAppContext) {
.unindent();
let mut buffer = Buffer::new(0, text, cx).with_language(Arc::new(rust_lang()), cx);
// When this text was copied, both of the quotation marks were at the same
// indent level, but the indentation of the first line was not included in
// the copied text. This information is retained in the
// 'original_indent_columns' vector.
let original_indent_columns = vec![4];
let inserted_text = r#"
"
c
@ -1009,7 +1014,7 @@ fn test_autoindent_block_mode(cx: &mut MutableAppContext) {
buffer.edit(
[(Point::new(2, 0)..Point::new(2, 0), inserted_text.clone())],
Some(AutoindentMode::Block {
original_indent_columns: vec![0],
original_indent_columns: original_indent_columns.clone(),
}),
cx,
);
@ -1037,7 +1042,7 @@ fn test_autoindent_block_mode(cx: &mut MutableAppContext) {
buffer.edit(
[(Point::new(2, 8)..Point::new(2, 8), inserted_text)],
Some(AutoindentMode::Block {
original_indent_columns: vec![0],
original_indent_columns: original_indent_columns.clone(),
}),
cx,
);
@ -1060,6 +1065,84 @@ fn test_autoindent_block_mode(cx: &mut MutableAppContext) {
});
}
#[gpui::test]
fn test_autoindent_block_mode_without_original_indent_columns(cx: &mut MutableAppContext) {
cx.set_global(Settings::test(cx));
cx.add_model(|cx| {
let text = r#"
fn a() {
if b() {
}
}
"#
.unindent();
let mut buffer = Buffer::new(0, text, cx).with_language(Arc::new(rust_lang()), cx);
// The original indent columns are not known, so this text is
// auto-indented in a block as if the first line was copied in
// its entirety.
let original_indent_columns = Vec::new();
let inserted_text = " c\n .d()\n .e();";
// Insert the block at column zero. The entire block is indented
// so that the first line matches the previous line's indentation.
buffer.edit(
[(Point::new(2, 0)..Point::new(2, 0), inserted_text.clone())],
Some(AutoindentMode::Block {
original_indent_columns: original_indent_columns.clone(),
}),
cx,
);
assert_eq!(
buffer.text(),
r#"
fn a() {
if b() {
c
.d()
.e();
}
}
"#
.unindent()
);
// Grouping is disabled in tests, so we need 2 undos
buffer.undo(cx); // Undo the auto-indent
buffer.undo(cx); // Undo the original edit
// Insert the block at a deeper indent level. The entire block is outdented.
buffer.edit(
[(Point::new(2, 0)..Point::new(2, 0), " ".repeat(12))],
None,
cx,
);
buffer.edit(
[(Point::new(2, 12)..Point::new(2, 12), inserted_text)],
Some(AutoindentMode::Block {
original_indent_columns: Vec::new(),
}),
cx,
);
assert_eq!(
buffer.text(),
r#"
fn a() {
if b() {
c
.d()
.e();
}
}
"#
.unindent()
);
buffer
});
}
#[gpui::test]
fn test_autoindent_language_without_indents_query(cx: &mut MutableAppContext) {
cx.set_global(Settings::test(cx));