ladybird/Ladybird/Qt/LocationEdit.cpp

128 lines
4.1 KiB
C++

/*
* Copyright (c) 2023, Cameron Youell <cameronyouell@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "LocationEdit.h"
#include "Settings.h"
#include "StringUtils.h"
#include <AK/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<String> search_engine_url;
if (Settings::the()->enable_search()) {
auto search_engine = Settings::the()->search_engine();
search_engine_url = MUST(ak_string_from_qstring(search_engine.url));
}
auto query = MUST(ak_string_from_qstring(text()));
if (auto url = WebView::sanitize_url(query, search_engine_url.map([](auto& value) { return value.bytes_as_string_view(); })); url.has_value())
setText(qstring_from_ak_deprecated_string(url->serialize()));
});
connect(this, &QLineEdit::textEdited, [this] {
if (!Settings::the()->enable_autocomplete()) {
m_autocomplete->clear_suggestions();
return;
}
auto cursor_position = cursorPosition();
auto result = m_autocomplete->get_search_suggestions(ak_deprecated_string_from_qstring(text()));
if (result.is_error()) {
dbgln("LocationEdit::textEdited: get_search_suggestions failed: {}", result.error());
return;
}
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::URL::create_with_url_or_path(ak_deprecated_string_from_qstring(text()));
auto darkened_text_color = QPalette().color(QPalette::Text);
darkened_text_color.setAlpha(127);
QList<QInputMethodEvent::Attribute> attributes;
if (url.is_valid() && !hasFocus()) {
if (url.scheme() == "http" || url.scheme() == "https" || url.scheme() == "gemini") {
int host_start = (url.scheme().bytes_as_string_view().length() + 3) - cursorPosition();
auto host_length = url.serialized_host().release_value_but_fixme_should_propagate_errors().bytes().size();
// FIXME: Maybe add a generator to use https://publicsuffix.org/list/public_suffix_list.dat
// for now just highlight the whole host
QTextCharFormat defaultFormat;
defaultFormat.setForeground(darkened_text_color);
attributes.append({
QInputMethodEvent::TextFormat,
-cursorPosition(),
static_cast<int>(text().length()),
defaultFormat,
});
QTextCharFormat hostFormat;
hostFormat.setForeground(QPalette().color(QPalette::Text));
attributes.append({
QInputMethodEvent::TextFormat,
host_start,
static_cast<int>(host_length),
hostFormat,
});
} else if (url.scheme() == "file") {
QTextCharFormat schemeFormat;
schemeFormat.setForeground(darkened_text_color);
attributes.append({
QInputMethodEvent::TextFormat,
-cursorPosition(),
static_cast<int>(url.scheme().bytes_as_string_view().length() + 3),
schemeFormat,
});
}
}
QInputMethodEvent event(QString(), attributes);
QCoreApplication::sendEvent(this, &event);
}
}