From afa057fe5146e00b5065b88b755a1764e2eb6bfe Mon Sep 17 00:00:00 2001
From: woojiq <yurii.shymon@gmail.com>
Date: Tue, 14 Jan 2025 22:45:41 +0200
Subject: [PATCH] [picker] feat: navigate backward and forward

* Add <A-p> and <A-n> keybinds to navigate in the global search picker
history.
---
 book/src/keymap.md          |  2 ++
 helix-term/src/ui/picker.rs | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/book/src/keymap.md b/book/src/keymap.md
index 2797eaee2..8a0bbe66f 100644
--- a/book/src/keymap.md
+++ b/book/src/keymap.md
@@ -456,6 +456,8 @@ See the documentation page on [pickers](./pickers.md) for more info.
 | `PageDown`, `Ctrl-d`         | Page down                                                  |
 | `Home`                       | Go to first entry                                          |
 | `End`                        | Go to last entry                                           |
+| `Alt-p`                      | Select previous history                                    |
+| `Alt-n`                      | Select next history                                        |
 | `Enter`                      | Open selected                                              |
 | `Alt-Enter`                  | Open selected in the background without closing the picker |
 | `Ctrl-s`                     | Open horizontally                                          |
diff --git a/helix-term/src/ui/picker.rs b/helix-term/src/ui/picker.rs
index a6ce91a67..48057185c 100644
--- a/helix-term/src/ui/picker.rs
+++ b/helix-term/src/ui/picker.rs
@@ -1106,6 +1106,26 @@ impl<I: 'static + Send + Sync, D: 'static + Send + Sync> Component for Picker<I,
                     return close_fn(self);
                 }
             }
+            alt!('p') => {
+                if let Some(register) = self.prompt.history_register() {
+                    self.prompt.change_history(
+                        ctx,
+                        register,
+                        ui::prompt::CompletionDirection::Backward,
+                    );
+                    self.handle_prompt_change(true);
+                }
+            }
+            alt!('n') => {
+                if let Some(register) = self.prompt.history_register() {
+                    self.prompt.change_history(
+                        ctx,
+                        register,
+                        ui::prompt::CompletionDirection::Forward,
+                    );
+                    self.handle_prompt_change(true);
+                }
+            }
             ctrl!('s') => {
                 if let Some(option) = self.selection() {
                     (self.callback_fn)(ctx, option, Action::HorizontalSplit);