feat: add configurable Ctrl+j/k list navigation

src/session.rs

@@ -164,6 +164,53 @@ Vamp.command("healthy") { |editor, args| editor.replace "healthy #{args}" }
         }
     }
 
+    #[test]
+    fn selection_bindings_remap_palette_navigation_without_changing_editing_bindings() {
+        let fixture = Fixture::new();
+        fixture.file("buffer.txt", "one two three\none two three");
+        let mut session = fixture.open(
+            r#"
+Vamp.configure do |config|
+  config.bind "ctrl+j", nil, mode: config.modes.selection
+  config.bind "ctrl+f", config.core.down, mode: config.modes.selection
+  config.bind "ctrl+b", config.core.up, mode: config.modes.selection
+end
+"#,
+        );
+        session.handle(Input::Down);
+        session.handle(Input::Ctrl('p'));
+        for ch in "core.word".chars() {
+            session.handle(Input::Char(ch));
+        }
+        session.handle(Input::Ctrl('j'));
+        assert_eq!(session.editor().palette().unwrap().selected, 0);
+        assert_eq!(
+            session.editor().cursor(),
+            crate::editor::Cursor { row: 1, column: 0 }
+        );
+        session.handle(Input::Ctrl('f'));
+        assert_eq!(
+            session.editor().palette().unwrap().entries[1].name,
+            "core.word_next"
+        );
+        assert_eq!(session.editor().palette().unwrap().selected, 1);
+        session.handle(Input::Ctrl('b'));
+        assert_eq!(session.editor().palette().unwrap().selected, 0);
+        session.handle(Input::Ctrl('f'));
+        session.handle(Input::Enter);
+        assert!(session.editor().palette().is_none());
+        assert_eq!(
+            session.editor().cursor(),
+            crate::editor::Cursor { row: 1, column: 4 }
+        );
+        session.handle(Input::Ctrl('k'));
+        assert_eq!(session.editor().selection_count(), 2);
+        assert_eq!(
+            session.editor().lines(),
+            &["one two three", "one two three"]
+        );
+    }
+
     #[test]
     fn configured_picker_presentations_preserve_editing_and_docked_focus() {
         let fixture = Fixture::new();