qt-migration-legatus/qt6-after/qt6-migrated-legatus/Lts/Common/LtsWidgets/lts_message_dialog_helper.cpp

#include "lts_message_dialog_helper.h"

#include <QEventLoop>
#include <QHBoxLayout>
#include <QLabel>
#include <QPushButton>
#include <QVBoxLayout>

namespace LtsWidgets
{

LtsMessageDialogHelper::LtsMessageDialogHelper(QObject* parent)
    : QObject(parent), m_result(Button::Cancel), m_dialog(nullptr)
{
}

Button LtsMessageDialogHelper::showMessage(QWidget* parent, const QString& message, const QString& title,
                                           Behaviour behaviour, Buttons buttons,
                                           const QHash<Button, QString>& buttonTexts)
{
    m_dialog = new LtsFramelessDialog(parent, behaviour);

    m_dialog->setAttribute(Qt::WA_DeleteOnClose);

    QVBoxLayout* mainLayout = new QVBoxLayout(m_dialog);

    QString text;
    if (!title.isEmpty())
    {
        text = QStringLiteral("<b>%1</b><br><br>").arg(title);
    }

    text += message;

    QLabel* messageLabel = new QLabel(text, m_dialog);
    messageLabel->setTextInteractionFlags(Qt::TextSelectableByMouse);
    mainLayout->addWidget(messageLabel);

    QHBoxLayout* buttonLayout = new QHBoxLayout;
    buttonLayout->setContentsMargins(0, 0, 0, 0);

    connect(m_dialog, &LtsFramelessDialog::rejected, this, &LtsMessageDialogHelper::slotCancel);

    if (buttons.testFlag(Button::Ok))
        connect(addButton(buttonTexts.value(Button::Ok, tr("Ok")), buttonLayout, m_dialog, Button::Ok, parent),
                &QPushButton::clicked, this, &LtsMessageDialogHelper::slotOkay);

    if (buttons.testFlag(Button::Yes))
        connect(addButton(buttonTexts.value(Button::Yes, tr("Yes")), buttonLayout, m_dialog, Button::Yes, parent),
                &QPushButton::clicked, this, &LtsMessageDialogHelper::slotYes);

    if (buttons.testFlag(Button::No))
        connect(addButton(buttonTexts.value(Button::No, tr("No")), buttonLayout, m_dialog, Button::No, parent),
                &QPushButton::clicked, this, &LtsMessageDialogHelper::slotNo);

    if (buttons.testFlag(Button::Apply))
        connect(addButton(buttonTexts.value(Button::Apply, tr("Apply")), buttonLayout, m_dialog, Button::Apply, parent),
                &QPushButton::clicked, this, &LtsMessageDialogHelper::slotApply);

    if (buttons.testFlag(Button::Discard))
        connect(addButton(buttonTexts.value(Button::Discard, tr("Discard")), buttonLayout, m_dialog, Button::Discard,
                          parent),
                &QPushButton::clicked, this, &LtsMessageDialogHelper::slotDiscard);

    if (buttons.testFlag(Button::Cancel))
        connect(
            addButton(buttonTexts.value(Button::Cancel, tr("Cancel")), buttonLayout, m_dialog, Button::Cancel, parent),
            &QPushButton::clicked, this, &LtsMessageDialogHelper::slotCancel);

    QWidget* buttonLayoutWidget = new QWidget;
    buttonLayoutWidget->setLayout(buttonLayout);

    mainLayout->addWidget(buttonLayoutWidget);

    m_dialog->show();
    m_dialog->raise();

    QEventLoop loop;
    connect(this, &LtsMessageDialogHelper::signalQuitEventLoop, &loop, &QEventLoop::quit, Qt::QueuedConnection);
    loop.exec();

    return m_result;
}

void LtsMessageDialogHelper::slotOkay()
{
    m_dialog->hide();
    m_result = Button::Ok;
    emit signalQuitEventLoop();
}

void LtsMessageDialogHelper::slotYes()
{
    m_dialog->hide();
    m_result = Button::Yes;
    emit signalQuitEventLoop();
}

void LtsMessageDialogHelper::slotNo()
{
    m_dialog->hide();
    m_result = Button::No;
    emit signalQuitEventLoop();
}

void LtsMessageDialogHelper::slotApply()
{
    m_dialog->hide();
    m_result = Button::Apply;
    emit signalQuitEventLoop();
}

void LtsMessageDialogHelper::slotDiscard()
{
    m_dialog->hide();
    m_result = Button::Discard;
    emit signalQuitEventLoop();
}

void LtsMessageDialogHelper::slotCancel()
{
    m_dialog->hide();
    m_result = Button::Cancel;
    emit signalQuitEventLoop();
}

QPushButton* LtsMessageDialogHelper::addButton(const QString& text, QHBoxLayout* thatLayout, LtsFramelessDialog* dialog,
                                               const Button& button, QWidget* parent)
{
    QPushButton* btn = new QPushButton(text, parent);
    connect(btn, &QPushButton::clicked, dialog, &LtsFramelessDialog::accept);
    thatLayout->addWidget(btn);

    if (button == Button::Ok || button == Button::Cancel)
    {
        btn->setDefault(true);
    }

    return btn;
}

} // namespace LtsWidgets