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LibWeb: Invalidate layout-transformed text on DOM text node change

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This fixes an issue where programmatically changing the value of an
input element wasn't reflected visually.
This commit is contained in:
Andreas Kling 2023-08-16 11:03:00 +02:00
parent e2740bd19d
commit 1c47695bae
5 changed files with 44 additions and 0 deletions
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7
Userland/Libraries/LibWeb/DOM/CharacterData.cpp
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@ -10,6 +10,7 @@
#include <LibWeb/DOM/MutationType.h>
#include <LibWeb/DOM/Range.h>
#include <LibWeb/DOM/StaticNodeList.h>
#include <LibWeb/Layout/TextNode.h>
namespace Web::DOM {
@ -108,6 +109,12 @@ WebIDL::ExceptionOr<void> CharacterData::replace_data(size_t offset, size_t coun
if (parent())
parent()->children_changed();
// NOTE: Since the text node's data has changed, we need to invalidate the text for rendering.
// This ensures that the new text is reflected in layout, even if we don't end up
// doing a full layout tree rebuild.
if (auto* layout_node = this->layout_node(); layout_node && layout_node->is_text_node())
static_cast<Layout::TextNode&>(*layout_node).invalidate_text_for_rendering();
set_needs_style_update(true);
document().set_needs_layout();
return {};