ladybird/Ladybird/Qt/LocationEdit.cpp

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/*
* Copyright (c) 2023, Cameron Youell <cameronyouell@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "LocationEdit.h"
#include "Settings.h"
#include "StringUtils.h"
#include <LibURL/URL.h>
#include <LibWebView/URL.h>
#include <QApplication>
#include <QPalette>
#include <QTextLayout>
#include <QTimer>
namespace Ladybird {
LocationEdit::LocationEdit(QWidget* parent)
: QLineEdit(parent)
{
setPlaceholderText("Search or enter web address");
m_autocomplete = make<AutoComplete>(this);
this->setCompleter(m_autocomplete);
connect(m_autocomplete, &AutoComplete::activated, [&](QModelIndex const&) {
emit returnPressed();
});
connect(this, &QLineEdit::returnPressed, [&] {
clearFocus();
Optional<StringView> search_engine_url;
if (Settings::the()->enable_search())
search_engine_url = Settings::the()->search_engine().query_url;
auto query = ak_string_from_qstring(text());
if (auto url = WebView::sanitize_url(query, search_engine_url); url.has_value())
setText(qstring_from_ak_string(url->serialize()));
});
connect(this, &QLineEdit::textEdited, [this] {
if (!Settings::the()->enable_autocomplete()) {
m_autocomplete->clear_suggestions();
return;
}
auto cursor_position = cursorPosition();
m_autocomplete->get_search_suggestions(ak_string_from_qstring(text()));
setCursorPosition(cursor_position);
});
connect(this, &QLineEdit::textChanged, this, &LocationEdit::highlight_location);
}
void LocationEdit::focusInEvent(QFocusEvent* event)
{
QLineEdit::focusInEvent(event);
highlight_location();
QTimer::singleShot(0, this, &QLineEdit::selectAll);
}
void LocationEdit::focusOutEvent(QFocusEvent* event)
{
QLineEdit::focusOutEvent(event);
highlight_location();
}
void LocationEdit::highlight_location()
{
auto url = ak_string_from_qstring(text());
QList<QInputMethodEvent::Attribute> attributes;
if (auto url_parts = WebView::break_url_into_parts(url); url_parts.has_value()) {
auto darkened_text_color = QPalette().color(QPalette::Text);
darkened_text_color.setAlpha(127);
QTextCharFormat dark_attributes;
dark_attributes.setForeground(darkened_text_color);
QTextCharFormat highlight_attributes;
highlight_attributes.setForeground(QPalette().color(QPalette::Text));
attributes.append({
QInputMethodEvent::TextFormat,
-cursorPosition(),
static_cast<int>(url_parts->scheme_and_subdomain.length()),
dark_attributes,
});
attributes.append({
QInputMethodEvent::TextFormat,
static_cast<int>(url_parts->scheme_and_subdomain.length() - cursorPosition()),
static_cast<int>(url_parts->effective_tld_plus_one.length()),
highlight_attributes,
});
attributes.append({
QInputMethodEvent::TextFormat,
static_cast<int>(url_parts->scheme_and_subdomain.length() + url_parts->effective_tld_plus_one.length() - cursorPosition()),
static_cast<int>(url_parts->remainder.length()),
dark_attributes,
});
}
QInputMethodEvent event(QString(), attributes);
QCoreApplication::sendEvent(this, &event);
}
}