WingHexExplorer2/src/dialog/showtextdialog.cpp

/*==============================================================================
** Copyright (C) 2024-2027 WingSummer
**
** This program is free software: you can redistribute it and/or modify it under
** the terms of the GNU Affero General Public License as published by the Free
** Software Foundation, version 3.
**
** This program is distributed in the hope that it will be useful, but WITHOUT
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
** FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
** details.
**
** You should have received a copy of the GNU Affero General Public License
** along with this program. If not, see <https://www.gnu.org/licenses/>.
** =============================================================================
*/

#include "showtextdialog.h"

#include "class/qkeysequences.h"
#include "class/wingmessagebox.h"
#include "control/codeedit.h"
#include "control/toast.h"
#include "dialog/encodingdialog.h"

#include <QThread>
#include <QVBoxLayout>

constexpr auto EMPTY_FUNC = [] {};

ShowTextDialog::ShowTextDialog(QWidget *parent) : FramelessDialogBase(parent) {
    this->setUpdatesEnabled(false);

    // build up UI
    buildUpRibbonBar();

    auto cw = new QWidget(this);
    cw->setSizePolicy(
        QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding));
    auto layout = new QVBoxLayout(cw);
    layout->setContentsMargins(1, 0, 1, 0);
    layout->setSpacing(0);
    layout->addWidget(q_check_ptr(m_ribbon));

    m_edit = new WingCodeEdit(this);
    // auto editor = m_edit->editor();
    // editor->setCodec(QStringLiteral("ASCII"));
    // connect(editor, &QEditor::needLoading, this,
    //         [this]() { load(m_last.buffer, m_last.offset, m_last.size); });

    m_edit->setReadOnly(true);
    m_edit->setAcceptDrops(false);
    m_edit->setUndoRedoEnabled(false);
    // m_edit->createSimpleBasicContextMenu(true, true);
    layout->addWidget(m_edit);

    m_status = new QStatusBar(this);
    layout->addWidget(m_status);
    buildUpContent(cw);

    // ok, preparing for starting...
    this->setWindowTitle(tr("TextBroswer"));
    this->setWindowIcon(ICONRES(QStringLiteral("viewtxt")));
    this->setMinimumSize(800, 600);

    this->setUpdatesEnabled(true);
}

ShowTextDialog::~ShowTextDialog() {}

void ShowTextDialog::load(QHexBuffer *buffer, const QString encoding,
                          qsizetype offset, qsizetype size) {
    // auto editor = m_edit->editor();
    // editor->blockSignals(true);
    // editor->setCodec(encoding);
    // load(buffer, offset, size);
    // editor->blockSignals(false);
}

void ShowTextDialog::load(QHexBuffer *buffer, qsizetype offset,
                          qsizetype size) {
    if (buffer == nullptr || offset < 0) {
        return;
    }

    m_canceled = false;

    if (size < 0) {
        size = buffer->length();
    }

    if (size >= std::numeric_limits<decltype(size)>::max()) {
        WingMessageBox::critical(this, this->windowTitle(), tr("TooHugeFile"));
        return;
    }

    // auto editor = m_edit->editor();
    // editor->setUpdatesEnabled(false);

    // auto doc = editor->document();
    // auto orign = offset;

    // editor->setUpdatesEnabled(true);
    // m_status->showMessage(editor->codecName());
}

void ShowTextDialog::buildUpRibbonBar() {
    m_ribbon = new Ribbon(this);
    m_ribbon->setAcceptDrops(false);
    buildEditPage(m_ribbon->addTab(tr("Edit")));
    buildViewPage(m_ribbon->addTab(tr("View")));
}

RibbonTabContent *ShowTextDialog::buildEditPage(RibbonTabContent *tab) {
    auto shortcuts = QKeySequences::instance();
    {
        auto pannel = tab->addGroup(tr("General"));

        auto a = addPannelAction(pannel, QStringLiteral("copy"), tr("Copy"),
                                 &ShowTextDialog::on_copyfile);
        setPannelActionToolTip(a, QKeySequence::Copy);

        a = addPannelAction(pannel, QStringLiteral("find"), tr("Find"),
                            &ShowTextDialog::on_findfile);
        setPannelActionToolTip(a, QKeySequence::Find);

        a = addPannelAction(pannel, QStringLiteral("jmp"), tr("Goto"),
                            &ShowTextDialog::on_gotoline);
        setPannelActionToolTip(a,
                               shortcuts.keySequence(QKeySequences::Key::GOTO));

        addPannelAction(pannel, QStringLiteral("encoding"), tr("Encoding"),
                        &ShowTextDialog::on_encoding,
                        shortcuts.keySequence(QKeySequences::Key::ENCODING));
    }

    return tab;
}

RibbonTabContent *ShowTextDialog::buildViewPage(RibbonTabContent *tab) {
    auto shortcuts = QKeySequences::instance();

    auto pannel = tab->addGroup(tr("Display"));

    return tab;
}

void ShowTextDialog::on_copyfile() {
    // m_edit->editor()->copy();
    Toast::toast(this, NAMEICONRES(QStringLiteral("copy")),
                 tr("CopyToClipBoard"));
}

void ShowTextDialog::on_findfile() { /*m_edit->editor()->find(); */ }

void ShowTextDialog::on_gotoline() { /*m_edit->editor()->gotoLine();*/ }

void ShowTextDialog::on_encoding() {
    EncodingDialog d;
    if (d.exec()) {
        auto res = d.getResult();
        // m_edit->editor()->setCodec(res);
    }
}

void ShowTextDialog::on_cancel() { m_canceled = true; }