From 6cfb1acb9d1456e854a2c44ee8fc057f45b29ea9 Mon Sep 17 00:00:00 2001
From: Blaž Hrastnik
Date: Mon, 22 Feb 2021 15:50:41 +0900
Subject: commands: Implement expand_selection.

---
 helix-term/src/commands.rs | 13 +++++++++++++
 helix-term/src/keymap.rs   |  3 ++-
 2 files changed, 15 insertions(+), 1 deletion(-)

(limited to 'helix-term/src')

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index c048ff9a..c37c0710 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -1,6 +1,7 @@
 use helix_core::{
     comment, graphemes,
     indent::TAB_WIDTH,
+    object,
     regex::{self, Regex},
     register, selection,
     state::{Direction, Granularity, State},
@@ -1023,3 +1024,15 @@ pub fn toggle_comments(cx: &mut Context) {
 
     doc.apply(&transaction);
 }
+
+// tree sitter node selection
+
+pub fn expand_selection(cx: &mut Context) {
+    let doc = cx.doc();
+
+    if let Some(syntax) = &doc.syntax {
+        let text = doc.text().slice(..);
+        let selection = object::expand_selection(syntax, text, doc.selection());
+        doc.set_selection(selection);
+    }
+}
diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs
index 69c8e48c..81665bbe 100644
--- a/helix-term/src/keymap.rs
+++ b/helix-term/src/keymap.rs
@@ -164,10 +164,11 @@ pub fn default() -> Keymaps {
                 vec![alt!('s')] => commands::split_selection_on_newline,
                 vec![shift!('S')] => commands::split_selection,
                 vec![key!(';')] => commands::collapse_selection,
-                // TODO should be alt(;)
                 vec![alt!(';')] => commands::flip_selections,
                 vec![key!('%')] => commands::select_all,
                 vec![key!('x')] => commands::select_line,
+                // TODO: figure out what key to use
+                vec![key!('[')] => commands::expand_selection,
                 vec![key!('/')] => commands::search,
                 vec![key!('n')] => commands::search_next,
                 vec![key!('*')] => commands::search_selection,
-- 
cgit v1.2.3-70-g09d2