From 826e35cb19266a664536d7f04e64fb9641cd7645 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 27 Feb 2024 11:31:20 +0530
Subject: [PATCH] Edit book: Live CSS: Fix regression causing incorrect colors
 in calibre 7.

Yet another Qt regression. Sigh. This time it looks like QPalette color
propagation is broken.
---
 src/calibre/gui2/tweak_book/live_css.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/calibre/gui2/tweak_book/live_css.py b/src/calibre/gui2/tweak_book/live_css.py
index cefe9c5a76..bf665efa78 100644
--- a/src/calibre/gui2/tweak_book/live_css.py
+++ b/src/calibre/gui2/tweak_book/live_css.py
@@ -193,6 +193,12 @@ class Declaration(QWidget):
         p.setPen(palette.color(QPalette.ColorRole.WindowText))
         if not self.is_first:
             p.drawLine(0, 0, self.width(), 0)
+        parent = self
+        while parent is not None:
+            parent = parent.parent()
+            if isinstance(parent, LiveCSS):
+                palette = parent.palette()
+                break
         try:
             for row in self.rows:
                 for cell in row: