LibWeb: Treat % max-height as none when containing block size indefinite

Fixes #19371
Author: https://github.com/awesomekling Commit: 43e1343abf Pull-request: https://github.com/SerenityOS/serenity/pull/19396 Issue: https://github.com/SerenityOS/serenity/issues/19371
2025-07-30 20:59:16 +00:00 · 2023-06-14 15:33:06 +02:00 · 2023-06-14 15:33:06 +02:00 · 43e1343abf · 2024-07-17 02:06:40 +09:00
commit 43e1343abf
parent b6f3369b66
6 changed files with 101 additions and 5 deletions
--- a/Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
+++ b/Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
@ -458,7 +458,7 @@ void BlockFormattingContext::compute_height(Box const& box, AvailableSpace const
        }
    }

-    if (!computed_values.max_height().is_none()) {
+    if (!should_treat_max_height_as_none(box)) {
        auto max_height = calculate_inner_height(box, available_space.height, computed_values.max_height());
        if (!max_height.is_auto())
            height = min(height, max_height.to_px(box));