From 74fb68ea2d3a1519735ebbec82ba0e3845bfe3a7 Mon Sep 17 00:00:00 2001
From: woojiq <122799969+woojiq@users.noreply.github.com>
Date: Tue, 2 Apr 2024 17:39:44 +0300
Subject: [PATCH] show newest options in jumplist picker first, fix docs
 (#10095)

* docs: mention `<space>g` changed file picker

* picker(jumplist): show jumps in order from latest to oldest
---
 book/src/keymap.md         | 3 ++-
 helix-term/src/commands.rs | 1 +
 helix-view/src/view.rs     | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/book/src/keymap.md b/book/src/keymap.md
index 3a5ccca53311..73f7a8532a96 100644
--- a/book/src/keymap.md
+++ b/book/src/keymap.md
@@ -280,7 +280,8 @@ This layer is a kludge of mappings, mostly pickers.
 | `F`     | Open file picker at current working directory                           | `file_picker_in_current_directory`         |
 | `b`     | Open buffer picker                                                      | `buffer_picker`                            |
 | `j`     | Open jumplist picker                                                    | `jumplist_picker`                          |
-| `g`     | Debug (experimental)                                                    | N/A                                        |
+| `g`     | Open changed file picker                                                | `changed_file_picker`                      |
+| `G`     | Debug (experimental)                                                    | N/A                                        |
 | `k`     | Show documentation for item under cursor in a [popup](#popup) (**LSP**) | `hover`                                    |
 | `s`     | Open document symbol picker (**LSP**)                                   | `symbol_picker`                            |
 | `S`     | Open workspace symbol picker (**LSP**)                                  | `workspace_symbol_picker`                  |
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index fce956073efa..248b631ecd60 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -2982,6 +2982,7 @@ fn jumplist_picker(cx: &mut Context) {
             .flat_map(|(view, _)| {
                 view.jumps
                     .iter()
+                    .rev()
                     .map(|(doc_id, selection)| new_meta(view, *doc_id, selection.clone()))
             })
             .collect(),
diff --git a/helix-view/src/view.rs b/helix-view/src/view.rs
index b5dc0615a5af..5b283b98f98d 100644
--- a/helix-view/src/view.rs
+++ b/helix-view/src/view.rs
@@ -79,7 +79,7 @@ impl JumpList {
         self.jumps.retain(|(other_id, _)| other_id != doc_id);
     }
 
-    pub fn iter(&self) -> impl Iterator<Item = &Jump> {
+    pub fn iter(&self) -> impl DoubleEndedIterator<Item = &Jump> {
         self.jumps.iter()
     }