From: Christian Heller <c.heller@plomlompom.de>
Date: Thu, 23 Oct 2025 03:42:31 +0000 (+0200)
Subject: Fix log depth cutoff not limiting negative history scroll index.
X-Git-Url: https://plomlompom.com/repos/%7B%7B%20web_path%20%7D%7D/static/%7B%7Bdb.prefix%7D%7D/tasks?a=commitdiff_plain;h=7a53ad963d54293277bdbb784dcd85c4d4139b10;p=ircplom

Fix log depth cutoff not limiting negative history scroll index.
---

diff --git a/src/ircplom/tui_base.py b/src/ircplom/tui_base.py
index ef48d08..9793164 100644
--- a/src/ircplom/tui_base.py
+++ b/src/ircplom/tui_base.py
@@ -174,6 +174,8 @@ class _HistoryWidget(_ScrollableWidget):
         if len(self._history) > self._maxlen_log:
             self._history = self._history[1:]
             self._history_offset += 1
+            self._history_idx_neg = max(self._history_idx_neg,
+                                        -self._maxlen_log)
             wrap_offset = 0
             for wrap_idx_pos, t in enumerate(self._wrapped):
                 if t[0] == self._history_offset:
diff --git a/src/tests/tui_draw.test b/src/tests/tui_draw.test
index 814f15e..ad4d1e9 100644
--- a/src/tests/tui_draw.test
+++ b/src/tests/tui_draw.test
@@ -598,5 +598,13 @@ insert history_1 1:2 +20
 insert scrolldown-29 : +21
 insert status-0-[1]-prompt : +22
 
+# check cut-off log growth seen from topmost scroll not affecting scrolldown count, but unread-lines status
+loggedservermsg 0 1 <.. PING :0
+log 1 >.. PONG :0
+insert lines-empty :20 +0
+insert history_1 3:4 +20
+insert scrolldown-29 : +21
+insert status-0-[1:2]-prompt : +22
+
 > /quit
 log 0 <..