Highlight current node

This commit is contained in:
xenia 2023-11-12 17:26:31 +01:00
parent 0acc4dbba4
commit a78febec6c
3 changed files with 64 additions and 1 deletions

View File

@ -9,6 +9,11 @@ declare-option str tree_log "/tmp/kak-tree.log"
# Option to store draft of the current buffer before passing to shell.
declare-option -hidden str tree_draft
declare-option str tree_highlight_style "black,blue"
declare-option -hidden range-specs tree_highlight
add-highlighter global/tree_highlight ranges tree_highlight
define-command -hidden tree-command -params 1..2 -docstring %{
tree-command <OP_TYPE> [<OP_PARAMS>]
Send request to kak-tree and evaluate response.
@ -74,6 +79,30 @@ define-command tree-select-first-child -params ..1 -docstring %{
Select the first immediate visible children or the first descendant matching KIND when provided.
} %{
tree-command-with-optional-kind SelectChildren %arg{1}
execute-keys <space>
execute-keys ,
}
define-command tree-node-highlight -docstring %{
tree-node-highlight
Highlight the current node using the tree_highlight_style face
} %{ tree-command HighlightCurrentNode }
define-command tree-node-clear-highlight -docstring %{
tree-node-clear-highlight
Removes any highlight
} %{ set-option buffer tree_highlight %val{timestamp} }
define-command tree-always-highlight -docstring %{
Highlight the current node at all times, as the cursor moves
} %{
hook -group tree-always-highlight global RawKey .* tree-node-highlight
tree-node-highlight
}
define-command tree-always-highlight-disable -docstring %{
Stop highlighting the cursor
} %{
remove-hooks global tree-always-highlight
tree-node-clear-highlight
}

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@ -9,6 +9,32 @@ pub fn select_ranges(buffer: &[String], ranges: &[Range]) -> String {
}
}
pub fn highlight_ranges(buffer: &[String], ranges: &[Range]) -> String {
format!("set-option buffer tree_highlight %val{{timestamp}} {}", ranges_to_range_desc(&buffer, &ranges, "%opt{tree_highlight_style}".to_string()))
}
pub fn ranges_to_range_desc(buffer: &[String], ranges: &[Range], string: String) -> String {
ranges
.iter()
.map(|range| {
let mut end_row = range.end_point.row;
let mut end_column = range.end_point.column;
if end_column > 0 {
end_column -= 1;
} else {
end_row -= 1;
end_column = 1_000_000;
}
format!(
"\"{},{}|{}\"",
point_to_kak_coords(buffer, range.start_point),
point_to_kak_coords(buffer, Point::new(end_row, end_column)),
string,
)
})
.join(" ")
}
pub fn ranges_to_selections_desc(buffer: &[String], ranges: &[Range]) -> String {
ranges
.iter()

View File

@ -23,6 +23,7 @@ struct Request {
#[serde(tag = "type")]
enum Op {
NodeSExp,
HighlightCurrentNode,
SelectChildren { kind: Option<String> },
SelectNextNode { kind: Option<String> },
SelectParentNode { kind: Option<String> },
@ -181,6 +182,13 @@ fn handle_request(config: &Config, request: &Request) -> String {
let node = tree::shrink_to_range(tree.root_node(), &ranges[0]);
format!("info '{}'", node.to_sexp())
}
Op::HighlightCurrentNode => {
for range in &ranges {
let node = tree::shrink_to_range(tree.root_node(), range);
new_ranges.push(node.range());
}
kakoune::highlight_ranges(&buffer, &new_ranges)
}
}
}