From 1e537a86d6ed0ddd3dc6fefaccc109cec63b12d3 Mon Sep 17 00:00:00 2001
From: James Campos <james.r.campos@gmail.com>
Date: Sun, 9 Aug 2020 21:46:38 -0700
Subject: more toc nav

---
 src/view.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/view.rs b/src/view.rs
index b3203e3..092631d 100644
--- a/src/view.rs
+++ b/src/view.rs
@@ -161,6 +161,22 @@ impl View for Nav {
                 bk.chapter = bk.chapters.len() - 1;
                 bk.nav_top = bk.chapters.len().saturating_sub(bk.rows);
             }
+            PageDown | Char('f') => {
+                bk.nav_top = min(bk.nav_top + bk.rows, bk.chapters.len() - 1);
+                bk.chapter = bk.nav_top;
+            }
+            PageUp | Char('b') => {
+                bk.nav_top = bk.nav_top.saturating_sub(bk.rows);
+                bk.chapter = bk.nav_top;
+            }
+            Char('d') => {
+                bk.nav_top = min(bk.nav_top + bk.rows / 2, bk.chapters.len() - 1);
+                bk.chapter = bk.nav_top;
+            }
+            Char('u') => {
+                bk.nav_top = bk.nav_top.saturating_sub(bk.rows / 2);
+                bk.chapter = bk.nav_top;
+            }
             _ => (),
         }
     }
-- 
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