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Delete till previous tabstop when backspacing within indent column

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This commit is contained in:
Antonio Scandurra 2022-03-10 10:05:00 +01:00
parent 9076345a8f
commit ee6d7fc6d5
3 changed files with 68 additions and 23 deletions
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34
crates/language/src/buffer.rs
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@ -47,9 +47,6 @@ lazy_static! {
static ref QUERY_CURSORS: Mutex<Vec<QueryCursor>> = Default::default();
}
// TODO - Make this configurable
const INDENT_SIZE: u32 = 4;
pub struct Buffer {
text: TextBuffer,
file: Option<Box<dyn File>>,
@ -70,6 +67,7 @@ pub struct Buffer {
file_update_count: usize,
completion_triggers: Vec<String>,
deferred_ops: OperationQueue<Operation>,
indent_size: u32,
}
pub struct BufferSnapshot {
@ -81,9 +79,9 @@ pub struct BufferSnapshot {
file_update_count: usize,
remote_selections: TreeMap<ReplicaId, SelectionSet>,
selections_update_count: usize,
is_parsing: bool,
language: Option<Arc<Language>>,
parse_count: usize,
indent_size: u32,
}
#[derive(Clone, Debug)]
@ -416,6 +414,8 @@ impl Buffer {
file_update_count: 0,
completion_triggers: Default::default(),
deferred_ops: OperationQueue::new(),
// TODO: make this configurable
indent_size: 4,
}
}
@ -428,10 +428,10 @@ impl Buffer {
diagnostics: self.diagnostics.clone(),
diagnostics_update_count: self.diagnostics_update_count,
file_update_count: self.file_update_count,
is_parsing: self.parsing_in_background,
language: self.language.clone(),
parse_count: self.parse_count,
selections_update_count: self.selections_update_count,
indent_size: self.indent_size,
}
}
@ -768,7 +768,11 @@ impl Buffer {
.before_edit
.indent_column_for_line(suggestion.basis_row)
});
let delta = if suggestion.indent { INDENT_SIZE } else { 0 };
let delta = if suggestion.indent {
snapshot.indent_size
} else {
0
};
old_suggestions.insert(
*old_to_new_rows.get(&old_row).unwrap(),
indentation_basis + delta,
@ -787,7 +791,11 @@ impl Buffer {
.into_iter()
.flatten();
for (new_row, suggestion) in new_edited_row_range.zip(suggestions) {
let delta = if suggestion.indent { INDENT_SIZE } else { 0 };
let delta = if suggestion.indent {
snapshot.indent_size
} else {
0
};
let new_indentation = indent_columns
.get(&suggestion.basis_row)
.copied()
@ -819,7 +827,11 @@ impl Buffer {
.into_iter()
.flatten();
for (row, suggestion) in inserted_row_range.zip(suggestions) {
let delta = if suggestion.indent { INDENT_SIZE } else { 0 };
let delta = if suggestion.indent {
snapshot.indent_size
} else {
0
};
let new_indentation = indent_columns
.get(&suggestion.basis_row)
.copied()
@ -1868,6 +1880,10 @@ impl BufferSnapshot {
pub fn file_update_count(&self) -> usize {
self.file_update_count
}
pub fn indent_size(&self) -> u32 {
self.indent_size
}
}
impl Clone for BufferSnapshot {
@ -1881,9 +1897,9 @@ impl Clone for BufferSnapshot {
selections_update_count: self.selections_update_count,
diagnostics_update_count: self.diagnostics_update_count,
file_update_count: self.file_update_count,
is_parsing: self.is_parsing,
language: self.language.clone(),
parse_count: self.parse_count,
indent_size: self.indent_size,
}
}
}