Add English and Russian ChatGUI interface translations

tools/chatgui/src/dminvitedialog.cpp

@@ -1,3 +1,4 @@
+#include <QCoreApplication>
 #include "dminvitedialog.h"
 #include "debug_ui.h"
 #include "../db/db_manager.h"
@@ -18,28 +19,29 @@ extern "C" {
 
 DmInviteDialog::DmInviteDialog(DbManager* db, quint64 peer, const QString& name, const QString& source, QWidget* parent)
     : QDialog(parent), m_peer(peer), m_name(name), m_source(source) {
-    setWindowTitle(QStringLiteral("Пригласить в группу"));
+    setWindowTitle(QCoreApplication::translate("ChatGui", "Invite to group"));
     setMinimumWidth(400);
     auto* layout = new QVBoxLayout(this);
-    layout->addWidget(new QLabel(QStringLiteral("Получатель: %1").arg(name), this));
+    layout->addWidget(new QLabel(QCoreApplication::translate("ChatGui", "Recipient: %1").arg(name), this));
     m_groups = new QComboBox(this);
     for (const auto& group : db->getChannels()) {
         if (db->isChannelMember(group.channelId, db->myNodeId())) m_groups->addItem(group.name, group.channelId);
     }
     m_groups->setCurrentIndex(-1);
-    m_groups->setPlaceholderText(QStringLiteral("Выберите группу"));
+    m_groups->setPlaceholderText(QCoreApplication::translate("ChatGui", "Select a group"));
     layout->addWidget(m_groups);
-    auto* expiry = new QLabel(QStringLiteral("Ссылка действует %1 минут с момента создания.\n"
-        "При поздней доставке PM потребуется новое приглашение.").arg(JOIN_KEY_TTL_SECONDS / 60), this);
+    auto* expiry = new QLabel(QCoreApplication::translate("ChatGui",
+        "The link expires %1 minutes after creation.\nIf the direct message arrives late, a new "
+        "invitation will be needed.").arg(JOIN_KEY_TTL_SECONDS / 60), this);
     expiry->setWordWrap(true);
     layout->addWidget(expiry);
     m_status = new QLabel(this);
     m_status->setWordWrap(true);
-    if (m_groups->count() == 0) m_status->setText(QStringLiteral("Нет групп для приглашения."));
+    if (m_groups->count() == 0) m_status->setText(QCoreApplication::translate("ChatGui", "No groups available to invite to."));
     layout->addWidget(m_status);
     auto* buttons = new QDialogButtonBox(QDialogButtonBox::Cancel, this);
-    buttons->button(QDialogButtonBox::Cancel)->setText(QStringLiteral("Отмена"));
-    m_send = buttons->addButton(QStringLiteral("Пригласить"), QDialogButtonBox::AcceptRole);
+    buttons->button(QDialogButtonBox::Cancel)->setText(QCoreApplication::translate("ChatGui", "Cancel"));
+    m_send = buttons->addButton(QCoreApplication::translate("ChatGui", "Invite"), QDialogButtonBox::AcceptRole);
     m_send->setEnabled(false);
     layout->addWidget(buttons);
     connect(buttons, &QDialogButtonBox::rejected, this, &QDialog::reject);
@@ -70,10 +72,11 @@ void DmInviteDialog::sendInvite() {
     if (m_pending || m_groups->currentIndex() < 0) return;
     if (!gui_bridge_is_uasync_ready() || !gui_bridge_get_inst()) {
         GUI_ERROR("invite PM: core unavailable");
-        m_status->setText(QStringLiteral("Ядро не запущено.")); return;
+        m_status->setText(QCoreApplication::translate("ChatGui", "The core is not running.")); return;
     }
     auto* req = (struct dm_invite_req*)u_calloc(1, sizeof(struct dm_invite_req));
-    if (!req) { GUI_ERROR("invite PM: request allocation failed"); m_status->setText(QStringLiteral("Недостаточно памяти.")); return; }
+    if (!req) { GUI_ERROR("invite PM: request allocation failed"); m_status->setText(QCoreApplication::translate("ChatGui",
+        "Not enough memory.")); return; }
     static uint64_t nextRequestId = 0;
     req->inst = gui_bridge_get_inst(); req->request_id = m_requestId = ++nextRequestId; req->peer_node_id = m_peer;
     req->channel_id = m_groups->currentData().toString().toULongLong();
@@ -81,7 +84,7 @@ void DmInviteDialog::sendInvite() {
     snprintf(req->peer_name, sizeof(req->peer_name), "%s", m_name.toUtf8().constData());
     m_pending = true;
     m_groups->setEnabled(false); m_send->setEnabled(false);
-    m_status->setText(QStringLiteral("Создание и отправка приглашения…"));
+    m_status->setText(QCoreApplication::translate("ChatGui", "Creating and sending invitation…"));
     gui_bridge_post_uasync_fn(dm_invite_trampoline, req);
 }
 
@@ -93,11 +96,11 @@ void DmInviteDialog::onResult(const uint8_t* data, int len) {
     if (!m_pending || request != m_requestId || peer != m_peer) return;
     m_pending = false;
     if (result == DM_INVITE_OK) { m_convId = QString::number(conv); accept(); return; }
-    const QString error = result == DM_INVITE_START_ERROR ? QStringLiteral("Не удалось создать личную беседу.")
-        : result == DM_INVITE_SEND_ERROR ? QStringLiteral("Не удалось отправить приглашение.")
-        : result == DM_INVITE_BUSY ? QStringLiteral("Другое приглашение ещё создаётся. Повторите попытку.")
-        : result == DM_INVITE_CANCELLED ? QStringLiteral("Создание приглашения отменено.")
-        : QStringLiteral("Не удалось создать приглашение. Проверьте подключение и повторите попытку.");
+    const QString error = result == DM_INVITE_START_ERROR ? QCoreApplication::translate("ChatGui", "Failed to create a direct conversation.")
+        : result == DM_INVITE_SEND_ERROR ? QCoreApplication::translate("ChatGui", "Failed to send the invitation.")
+        : result == DM_INVITE_BUSY ? QCoreApplication::translate("ChatGui", "Another invitation is still being created. Try again.")
+        : result == DM_INVITE_CANCELLED ? QCoreApplication::translate("ChatGui", "Invitation creation cancelled.")
+        : QCoreApplication::translate("ChatGui", "Failed to create an invitation. Check the connection and try again.");
     GUI_ERROR("invite PM dialog: failed request=%llu result=%d", (unsigned long long)request, result);
     m_status->setText(error); m_groups->setEnabled(true); m_send->setEnabled(m_groups->currentIndex() >= 0);
 }