/*
    SPDX-FileCopyrightText: 2004, 2008, 2025 Friedrich W. H. Kossebau <kossebau@kde.org>

    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/

#include "chareditor.hpp"

// lib
#include <abstractbytearrayview_p.hpp>
// Okteta core
#include <Okteta/CharCodec>
// Qt
#include <QKeyEvent>

namespace Okteta {

CharEditor::CharEditor(AbstractByteArrayViewPrivate* view, AbstractController* parent)
    : AbstractEditor(view, parent)
{
}

CharEditor::~CharEditor() = default;

void CharEditor::handleShortcutOverrideEvent(QKeyEvent* keyEvent) const
{
    bool isKeyToUse = false;

    const Qt::KeyboardModifiers keyModifiers = keyEvent->modifiers() & ~(Qt::KeypadModifier | Qt::GroupSwitchModifier);

    const Qt::KeyboardModifiers shiftLessKeyModifiers = keyModifiers & ~Qt::ShiftModifier;
    if (shiftLessKeyModifiers == Qt::NoModifier) {
        const QString text = keyEvent->text();

        // some input that should be inserted?
        if (!text.isEmpty()) {
            const QChar enteredChar = text.at(0);
            if (enteredChar.isPrint()) {
                isKeyToUse = true;
            }
        }
    }

    if (isKeyToUse) {
        keyEvent->accept();
    } else {
        AbstractEditor::handleShortcutOverrideEvent(keyEvent);
    }
}

bool CharEditor::handleKeyPress(QKeyEvent* keyEvent)
{
    bool keyUsed = false;

    const Qt::KeyboardModifiers keyModifiers = keyEvent->modifiers() & ~(Qt::KeypadModifier | Qt::GroupSwitchModifier);

    const Qt::KeyboardModifiers shiftLessKeyModifiers = keyModifiers & ~Qt::ShiftModifier;
    if (shiftLessKeyModifiers == Qt::NoModifier) {
        const QString text = keyEvent->text();

        // some input that should be inserted?
        if (!text.isEmpty()) {
            const QChar enteredChar = text.at(0);
            if (enteredChar.isPrint()) {
                Byte byte;
                if (mView->charCodec()->encode(&byte, enteredChar)) {
                    const QByteArray bytes(1, byte);
                    mView->insertBytes(bytes);

                    keyUsed = true;
                }
            }
        }
    }

    return keyUsed ? true : AbstractEditor::handleKeyPress(keyEvent);
}

}
