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https://github.com/LadybirdBrowser/ladybird
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LibWeb: Add overflow-clip-margin-* properties
The corner radius isn't quite right yet, but this gives us another couple WPT passes for these.
This commit is contained in:
Psychpsyo
committed by
Alexander Kalenik
Alexander Kalenik
parent
3253ddfcb2
commit
a7267f711b
Notes:
github-actions[bot]
2026-02-14 21:59:33 +00:00
Author: https://github.com/Psychpsyo Commit: https://github.com/LadybirdBrowser/ladybird/commit/a7267f711bc Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/7833 Reviewed-by: https://github.com/Calme1709 Reviewed-by: https://github.com/kalenikaliaksandr
@@ -0,0 +1,42 @@
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<!doctype html>
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<meta charset="utf-8">
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<title>Verifies overflow-clip-margin extends outside bounds</title>
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<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#propdef-overflow-clip-margin">
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<link rel="author" title="Scott Violet" href="mailto:sky@chromium.org">
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<link rel="match" href="../../../../expected/wpt-import/css/css-overflow/overflow-clip-margin-001-ref.html">
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<style>
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.container {
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display: flex;
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}
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.parent {
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width: 100px;
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height: 100px;
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flex: none;
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overflow: clip;
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overflow-clip-margin: 10px;
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}
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.child {
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width: 200px;
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height: 200px;
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position: relative;
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top: -50px;
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left: -50px;
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background-color: green;
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}
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.spacer {
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flex: none;
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height: 100px;
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width: 100px;
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}
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</style>
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<p>You should see two green squares touching each other. The one on the
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right should be slightly larger.</p>
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<div class="spacer"></div>
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<div class="container">
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<div class="spacer" style="width: 90px; background-color: green"></div>
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<div class="spacer" style="width: 10px"></div>
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<div class="parent">
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<div class="child"></div>
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</div>
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</div>
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@@ -0,0 +1,18 @@
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<!doctype html>
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<meta charset="utf-8">
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<title>Verifies overflow-clip-margin doesn't impact paint effects</title>
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<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#propdef-overflow-clip-margin">
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<link rel="author" title="Scott Violet" href="mailto:sky@chromium.org">
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<link rel="match" href="../../../../expected/wpt-import/css/css-overflow/overflow-clip-margin-003-ref.html">
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<style>
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.parent {
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width: 100px;
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height: 100px;
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background-color: green;
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overflow: clip;
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overflow-clip-margin: 1px;
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box-shadow: 20px 20px 5px red;
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}
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</style>
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<p>You should see a green box with a red box shadow.
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<div class="parent"></div>
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@@ -0,0 +1,42 @@
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<!doctype html>
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<meta charset="utf-8">
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<title>Verifies overflow-clip-margin extends outside bounds with contain: paint</title>
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<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#propdef-overflow-clip-margin">
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<link rel="author" title="Scott Violet" href="mailto:sky@chromium.org">
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<link rel="match" href="../../../../expected/wpt-import/css/css-overflow/overflow-clip-margin-004-ref.html">
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<style>
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.container {
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display: flex;
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}
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.parent {
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width: 100px;
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height: 100px;
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flex: none;
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contain: paint;
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overflow-clip-margin: 10px;
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}
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.child {
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width: 200px;
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height: 200px;
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position: relative;
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top: -50px;
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left: -50px;
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background-color: green;
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}
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.spacer {
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flex: none;
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height: 100px;
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width: 100px;
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}
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</style>
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<p>You should see two green squares touching each other. The one on the
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right should be slightly larger.</p>
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<div class="spacer"></div>
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<div class="container">
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<div class="spacer" style="width: 90px; background-color: green"></div>
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<div class="spacer" style="width: 10px"></div>
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<div class="parent">
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<div class="child"></div>
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</div>
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</div>
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@@ -0,0 +1,18 @@
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<!doctype html>
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<meta charset="utf-8">
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<title>Verifies overflow-clip-margin doesn't impact paint effects</title>
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<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#propdef-overflow-clip-margin">
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<link rel="author" title="Scott Violet" href="mailto:sky@chromium.org">
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<link rel="match" href="../../../../expected/wpt-import/css/css-overflow/overflow-clip-margin-006-ref.html">
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<style>
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.parent {
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width: 100px;
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height: 100px;
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background-color: green;
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contain: paint;
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overflow-clip-margin: 1px;
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box-shadow: 20px 20px 5px red;
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}
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</style>
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<p>You should see a green box with a red box shadow.
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<div class="parent"></div>
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@@ -0,0 +1,28 @@
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<!doctype html>
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<html class="reftest">
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<meta charset="utf-8">
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<title>Overflow-clip-margin can be inherited even if it has no effect on specified element</title>
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<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#propdef-overflow-clip-margin">
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<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org">
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<link rel="match" href="../../../../expected/wpt-import/css/css-overflow/overflow-clip-margin-009-ref.html">
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<style>
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.prop {
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overflow-clip-margin: 20px;
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}
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.container {
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width: 100px;
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height: 100px;
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overflow-clip-margin: inherit;
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overflow: clip;
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}
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.child {
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width: 200px;
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height: 200px;
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background: lightblue;
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}
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</style>
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<div class=prop>
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<div class=container>
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<div class=child></div>
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</div>
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</div>
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@@ -0,0 +1,35 @@
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<!doctype html>
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<meta charset="utf-8">
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<title>Overflow-clip-margin: child of a small-border-box out-of-view large-clip-margin parent is shown</title>
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<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#propdef-overflow-clip-margin">
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<link rel="author" title="Xianzhu Wang" href="mailto:wangxianzhu@chromium.org">
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<link rel="match" href="../../../../expected/wpt-import/css/css-overflow/overflow-clip-margin-011-ref.html">
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<style>
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.overflow-hidden {
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width: 200px;
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height: 200px;
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overflow: hidden;
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}
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.parent {
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width: 100px;
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height: 100px;
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position: relative;
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top: 500px;
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overflow: clip;
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overflow-clip-margin: 500px;
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z-index: 1;
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background: red;
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}
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.child {
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width: 100px;
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height: 100px;
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position: relative;
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top: -500px;
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background: green;
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}
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</style>
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<div class="overflow-hidden">
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<div class="parent">
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<div class="child">
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</div>
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</div>
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@@ -0,0 +1,64 @@
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<!DOCTYPE html>
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<html class="reftest-wait">
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<head>
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<title>CSS Overflow: overflow-clip-margin: invalidation on change</title>
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<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#propdef-overflow-clip-margin">
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<meta name="assert" content="overflow-clip-margin: toggling should invalidate.">
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<link rel="author" title="Scott Violet" href="mailto:sky@chromium.org">
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<link rel="match" href="../../../../expected/wpt-import/css/css-overflow/overflow-clip-margin-invalidation-ref.html">
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<style>
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.container {
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display: flex;
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}
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.parent {
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flex: none;
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width: 100px;
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height: 100px;
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flex: none;
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overflow: clip;
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}
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.child {
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width: 200px;
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height: 200px;
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position: relative;
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top: -50px;
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left: -50px;
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background-color: green;
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}
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.spacer {
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flex: none;
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height: 100px;
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width: 100px;
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}
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.margin {
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overflow-clip-margin: 10px;
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}
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</style>
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<script src="../../common/reftest-wait.js"></script>
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<script src="../../common/rendering-utils.js"></script>
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</head>
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<body>
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<div class="spacer"></div>
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<div class="container">
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<div class="spacer"></div>
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<div id="div_with_margin" class="parent margin">
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<div class="child"></div>
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</div>
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<div class="spacer"></div>
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<div class="container">
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<div class="spacer"></div>
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<div id="div_without_margin" class="parent">
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<div class="child"></div>
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</div>
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</body>
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<script>
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async function runTest() {
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document.getElementById('div_with_margin').classList.remove("margin");
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document.getElementById('div_without_margin').classList.add("margin");
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takeScreenshot();
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}
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onload = () => {
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waitForAtLeastOneFrame().then(() => { runTest() });
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}
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</script>
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</html>
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