mainwindow.cpp - mozsearch

Enable keyboard shortcuts

// Copyright (C) 2026 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include "mainwindow.h"

#include "ui_mainwindow.h"

#include <QtGui>

#include <QtWidgets>

MainWindow::MainWindow(QWidget *parent)

    : QMainWindow(parent)

    , ui(new Ui::MainWindow)

    ui->setupUi(this);

    QList<QLocale> allLocales = QLocale::matchingLocales(QLocale::AnyLanguage, QLocale::AnyScript, QLocale::AnyTerritory);

    int selectedIndex = 0;

    for (QLocale locale : allLocales) {

        if (QLocale::system() == locale)

            selectedIndex = ui->cbLocale->count();

        ui->cbLocale->addItem(locale.name() + " | " + locale.nativeLanguageName() + " | " + locale.nativeTerritoryName(),

                              QVariant::fromValue(locale));

    ui->cbLocale->setCurrentIndex(selectedIndex);

    connect(ui->fcbDefaultFont, &QFontComboBox::currentFontChanged, this, &MainWindow::updateList);

    connect(ui->cbLocale, &QComboBox::currentIndexChanged, this, &MainWindow::updateList);

    connect(ui->leSample, &QLineEdit::textChanged, this, &MainWindow::updateList);

    updateList();

MainWindow::~MainWindow()

    delete ui;

void MainWindow::updateList()

    delete ui->scrollArea->widget();

    QLocale::setDefault(ui->cbLocale->currentData().value<QLocale>());

    QWidget *w = new QWidget;

    ui->scrollArea->setWidget(w);

    QVBoxLayout *l = new QVBoxLayout(w);

    for (int i = QFontDatabase::Any; i < QFontDatabase::WritingSystemsCount; ++i) {

        QString s = i == QFontDatabase::Any

                        ? ui->leSample->text()

                        : QFontDatabase::writingSystemSample(QFontDatabase::WritingSystem(i));

        if (!s.isEmpty()) {

            QTextLayout lout;

            lout.setFont(ui->fcbDefaultFont->currentFont());

            lout.setText(s);

            lout.beginLayout(); lout.createLine(); lout.endLayout();

            QSet<QString> families;

            QList<QGlyphRun> grs = lout.glyphRuns();

            for (const QGlyphRun &gr : grs)

                families.insert(gr.rawFont().familyName());

            QLabel *label = new QLabel;

            label->setFont(ui->fcbDefaultFont->currentFont());

            label->setText(QFontDatabase::writingSystemName(QFontDatabase::WritingSystem(i))

                           + QStringLiteral(": ")

+ s

                           + QStringLiteral("; ")

                           + families.values().join(','));

            l->addWidget(label);