From 2bfdcede32586af01e1e7cda686a48525e0154bd Mon Sep 17 00:00:00 2001
From: Blaž Hrastnik
Date: Mon, 14 Dec 2020 16:02:07 +0900
Subject: split_selection

---
 helix-term/src/commands.rs | 33 ++++++++++++++++++---------------
 helix-term/src/keymap.rs   |  2 +-
 2 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index 7001aa11..3db112d3 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -262,23 +262,26 @@ pub fn split_selection(cx: &mut Context) {
     //  # update state
     // }
 
-    let prompt = Prompt::new(
-        "split:".to_string(),
-        |input: &str| Vec::new(), // TODO: use Option here?
-        |editor: &mut Editor, input: &str| {
-            match Regex::new(input) {
-                Ok(regex) => {
-                    let view = editor.view_mut().unwrap();
-                    let text = &view.doc.text().slice(..);
-                    let selection = selection::split_on_matches(text, view.doc.selection(), &regex);
-                    view.doc.set_selection(selection);
+    cx.callback = Some(Box::new(|compositor: &mut Compositor| {
+        let prompt = Prompt::new(
+            "split:".to_string(),
+            |input: &str| Vec::new(), // this is fine because Vec::new() doesn't allocate
+            |editor: &mut Editor, input: &str| {
+                match Regex::new(input) {
+                    Ok(regex) => {
+                        let view = editor.view_mut().unwrap();
+                        let text = &view.doc.text().slice(..);
+                        let selection =
+                            selection::split_on_matches(text, view.doc.selection(), &regex);
+                        view.doc.set_selection(selection);
+                    }
+                    Err(_) => (), // TODO: mark command line as error
                 }
-                Err(_) => (), // TODO: mark command line as error
-            }
-        },
-    );
+            },
+        );
 
-    unimplemented!()
+        compositor.push(Box::new(prompt));
+    }));
 }
 
 pub fn split_selection_on_newline(cx: &mut Context) {
diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs
index 304a173c..884c04a1 100644
--- a/helix-term/src/keymap.rs
+++ b/helix-term/src/keymap.rs
@@ -156,8 +156,8 @@ pub fn default() -> Keymaps {
                 vec![key!('o')] => commands::open_below,
                 vec![key!('d')] => commands::delete_selection,
                 vec![key!('c')] => commands::change_selection,
-                vec![shift!('S')] => commands::split_selection,
                 vec![key!('s')] => commands::split_selection_on_newline,
+                vec![shift!('S')] => commands::split_selection,
                 vec![key!(';')] => commands::collapse_selection,
                 // TODO should be alt(;)
                 vec![key!('%')] => commands::flip_selections,
-- 
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