From 4c4a64bff49df487d9de0b50300fff2f32bcf3a7 Mon Sep 17 00:00:00 2001
From: Přemysl Eric Janouch <p@janouch.name>
Date: Mon, 23 Mar 2026 02:59:56 +0100
Subject: Move pages by visible lines

---
 NEWS    | 3 ++-
 sdn.cpp | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/NEWS b/NEWS
index e61ad02..a27d9e2 100644
--- a/NEWS
+++ b/NEWS
@@ -1,7 +1,8 @@
 Unreleased
 
  * Added C-b and C-f bindings for page up and page down navigation
-   in normal mode.
+   in normal mode.  The respective actions now move by visible lines
+   rather than by the full height of the terminal.
 
  * Added an sdn-edit script analogous to sdn-view, bound it to F4,
    and moved the original key binding to F14.
diff --git a/sdn.cpp b/sdn.cpp
index 9e9a5ab..7d06725 100644
--- a/sdn.cpp
+++ b/sdn.cpp
@@ -1636,10 +1636,10 @@ fun handle (Key k) -> bool {
 		break;
 
 	case ACTION_PAGE_PREVIOUS:
-		g.cursor -= LINES;
+		g.cursor -= visible_lines ();
 		break;
 	case ACTION_PAGE_NEXT:
-		g.cursor += LINES;
+		g.cursor += visible_lines ();
 		break;
 	case ACTION_SCROLL_DOWN:
 		g.offset++;
-- 
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