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/*
* Copyright (c) 2020, Hunter Salyer <thefalsehonesty@gmail.com>
* Copyright (c) 2021-2022, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#define AK_DONT_REPLACE_STD
#include "ConsoleWidget.h"
#include "Utilities.h"
#include <AK/StringBuilder.h>
#include <LibJS/MarkupGenerator.h>
#include <QLineEdit>
#include <QPushButton>
#include <QTextEdit>
#include <QVBoxLayout>
namespace Ladybird {
ConsoleWidget::ConsoleWidget()
{
setLayout(new QVBoxLayout);
m_output_view = new QTextEdit(this);
m_output_view->setReadOnly(true);
layout()->addWidget(m_output_view);
if (on_request_messages)
on_request_messages(0);
auto* bottom_container = new QWidget(this);
bottom_container->setLayout(new QHBoxLayout);
layout()->addWidget(bottom_container);
m_input = new QLineEdit(bottom_container);
bottom_container->layout()->addWidget(m_input);
QObject::connect(m_input, &QLineEdit::returnPressed, [this] {
auto js_source = ak_deprecated_string_from_qstring(m_input->text());
if (js_source.is_whitespace())
return;
m_input->clear();
print_source_line(js_source);
if (on_js_input)
on_js_input(js_source);
});
setFocusProxy(m_input);
auto* clear_button = new QPushButton(bottom_container);
bottom_container->layout()->addWidget(clear_button);
clear_button->setFixedSize(22, 22);
clear_button->setText("X");
clear_button->setToolTip("Clear the console output");
QObject::connect(clear_button, &QPushButton::pressed, [this] {
clear_output();
});
m_input->setFocus();
}
void ConsoleWidget::request_console_messages()
{
VERIFY(!m_waiting_for_messages);
VERIFY(on_request_messages);
on_request_messages(m_highest_received_message_index + 1);
m_waiting_for_messages = true;
}
void ConsoleWidget::notify_about_new_console_message(i32 message_index)
{
if (message_index <= m_highest_received_message_index) {
dbgln("Notified about console message we already have");
return;
}
if (message_index <= m_highest_notified_message_index) {
dbgln("Notified about console message we're already aware of");
return;
}
m_highest_notified_message_index = message_index;
if (!m_waiting_for_messages)
request_console_messages();
}
void ConsoleWidget::handle_console_messages(i32 start_index, Vector<DeprecatedString> const& message_types, Vector<DeprecatedString> const& messages)
{
i32 end_index = start_index + message_types.size() - 1;
if (end_index <= m_highest_received_message_index) {
dbgln("Received old console messages");
return;
}
for (size_t i = 0; i < message_types.size(); i++) {
auto& type = message_types[i];
auto& message = messages[i];
if (type == "html") {
print_html(message);
} else if (type == "clear") {
clear_output();
} else if (type == "group") {
// FIXME: Implement.
} else if (type == "groupCollapsed") {
// FIXME: Implement.
} else if (type == "groupEnd") {
// FIXME: Implement.
} else {
VERIFY_NOT_REACHED();
}
}
m_highest_received_message_index = end_index;
m_waiting_for_messages = false;
if (m_highest_received_message_index < m_highest_notified_message_index)
request_console_messages();
}
void ConsoleWidget::print_source_line(StringView source)
{
StringBuilder html;
html.append("<span class=\"repl-indicator\">"sv);
html.append("> "sv);
html.append("</span>"sv);
html.append(JS::MarkupGenerator::html_from_source(source).release_value_but_fixme_should_propagate_errors());
print_html(html.string_view());
}
void ConsoleWidget::print_html(StringView line)
{
m_output_view->append(QString::fromUtf8(line.characters_without_null_termination(), line.length()));
}
void ConsoleWidget::clear_output()
{
m_output_view->clear();
}
void ConsoleWidget::reset()
{
clear_output();
m_highest_notified_message_index = -1;
m_highest_received_message_index = -1;
m_waiting_for_messages = false;
}
}
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