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LibWeb: Update the document's cursor after setting an <input>'s value

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The spec step here explicitly says to "move the text entry cursor
position to the end of the text control".
This commit is contained in:
Timothy Flynn 2023-11-30 16:31:03 -05:00 committed by Andreas Kling
parent d5d6f9bc92
commit 7e92ff062e
Notes: sideshowbarker 2024-07-17 09:41:18 +09:00 
Author: https://github.com/trflynn89
Commit: https://github.com/SerenityOS/serenity/commit/7e92ff062e
Pull-request: https://github.com/SerenityOS/serenity/pull/22111
1 changed files with 6 additions and 1 deletions
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7
Userland/Libraries/LibWeb/HTML/HTMLInputElement.cpp
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@ -371,11 +371,13 @@ String HTMLInputElement::value() const
WebIDL::ExceptionOr<void> HTMLInputElement::set_value(String const& value)
{
auto& realm = this->realm();
// https://html.spec.whatwg.org/multipage/input.html#dom-input-value-filename
if (type_state() == TypeAttributeState::FileUpload) {
// On setting, if the new value is the empty string, empty the list of selected files; otherwise, throw an "InvalidStateError" DOMException.
if (!value.is_empty())
return WebIDL::InvalidStateError::create(realm(), "Setting value of input type file to non-empty string"_fly_string);
return WebIDL::InvalidStateError::create(realm, "Setting value of input type file to non-empty string"_fly_string);
m_selected_files = nullptr;
return {};
}
@ -401,6 +403,9 @@ WebIDL::ExceptionOr<void> HTMLInputElement::set_value(String const& value)
if (m_text_node && (m_value != old_value)) {
m_text_node->set_data(m_value);
update_placeholder_visibility();
if (auto* browsing_context = document().browsing_context())
browsing_context->set_cursor_position(DOM::Position::create(realm, *m_text_node, m_text_node->data().bytes().size()));
}
return {};