From ef3b96f22602fd1fe7ec861eee6bafa0dfea8b68 Mon Sep 17 00:00:00 2001
From: hius07 <62179190+hius07@users.noreply.github.com>
Date: Mon, 21 Jul 2025 08:57:25 +0300
Subject: [PATCH] readerrolling: fix _gotoPos

---
 frontend/apps/reader/modules/readerrolling.lua | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/frontend/apps/reader/modules/readerrolling.lua b/frontend/apps/reader/modules/readerrolling.lua
index 5084dec11..099a4b2e1 100644
--- a/frontend/apps/reader/modules/readerrolling.lua
+++ b/frontend/apps/reader/modules/readerrolling.lua
@@ -1123,11 +1123,19 @@ end
 --]]
 function ReaderRolling:_gotoPos(new_pos, do_dim_area)
     if new_pos == self.current_pos then return end
-    if new_pos < 0 then new_pos = 0 end
-    -- Don't go past end of document, and ensure last line of the document
-    -- is shown just above the footer, whether footer is visible or not
-    local max_pos = self.ui.document.info.doc_height - self.ui.dimen.h + self.view.footer:getHeight()
-    if new_pos > max_pos then new_pos = max_pos end
+    if new_pos < 0 then
+        new_pos = 0
+    else
+        local max_pos = self.ui.document.info.doc_height - self.ui.dimen.h + self.view.footer:getHeight()
+        if max_pos < 0 then -- single-page document
+            new_pos = 0
+        elseif new_pos > max_pos then
+            -- Don't go past end of document, and ensure last line of the document
+            -- is shown just above the footer, whether footer is visible or not
+            new_pos = max_pos
+        end
+    end
+--    if max_pos > 0 and new_pos > max_pos then new_pos = max_pos end
     -- adjust dim_area according to new_pos
     if self.view.view_mode ~= "page" and self.view.page_overlap_enable and do_dim_area then
         local footer_height = ((self.view.footer_visible and not self.view.footer.settings.reclaim_height) and 1 or 0) * self.view.footer:getHeight()