adding startup progress and style fix

launcherbackend.h

@@ -1,9 +1,15 @@
 #pragma once
 
+#include "minecraftversion.h"
+
 #include <QObject>
+#include <QQmlEngine>
 #include <QStringList>
 #include <QVariantMap>
-#include <QQmlEngine>
+
+struct AuthResult;
+class AuthService;
+class GameLauncher;
 
 class LauncherBackend : public QObject
 {
@@ -12,42 +18,117 @@ class LauncherBackend : public QObject
 
     Q_PROPERTY(QStringList profileNames READ profileNames NOTIFY profilesChanged)
     Q_PROPERTY(QStringList versionNames READ versionNames NOTIFY versionsChanged)
+    Q_PROPERTY(QStringList installedVersions READ installedVersions NOTIFY installedVersionsChanged)
+    Q_PROPERTY(bool gameRunning READ gameRunning NOTIFY gameRunningChanged)
+    Q_PROPERTY(bool busy READ busy NOTIFY busyChanged)
 
 public:
     explicit LauncherBackend(QObject *parent = nullptr);
+    ~LauncherBackend() override;
 
     QStringList profileNames() const;
     QStringList versionNames() const;
+    QStringList installedVersions() const;
+    bool gameRunning() const;
+    bool busy() const { return m_busy; }
 
-    Q_INVOKABLE void addProfile(const QString &name, const QString &login, const QString &password);
-    Q_INVOKABLE void addVersion(const QString &name, const QString &serverUrl);
-    Q_INVOKABLE void updateProfile(int index, const QString &name, const QString &login, const QString &password);
-    Q_INVOKABLE void updateVersion(int index, const QString &name, const QString &serverUrl);
+    Q_INVOKABLE void addProfile(const QString &name,
+                                const QString &login,
+                                const QString &password,
+                                const QString &authType = QStringLiteral("offline"));
+    Q_INVOKABLE void addVersion(const QString &name,
+                                const QString &serverUrl,
+                                const QString &versionId = QString());
+    Q_INVOKABLE void updateProfile(int index,
+                                   const QString &name,
+                                   const QString &login,
+                                   const QString &password,
+                                   const QString &authType = QStringLiteral("offline"));
+    Q_INVOKABLE void updateVersion(int index,
+                                   const QString &name,
+                                   const QString &serverUrl,
+                                   const QString &versionId = QString());
     Q_INVOKABLE QVariantMap profileAt(int index) const;
     Q_INVOKABLE QVariantMap versionAt(int index) const;
     Q_INVOKABLE void removeProfile(int index);
     Q_INVOKABLE void removeVersion(int index);
+
+    // Главная кнопка. Проверяет выбор профиля и версии, комплектность .minecraft,
+    // при необходимости авторизуется и стартует игру.
     Q_INVOKABLE void launchGame(int profileIndex, int versionIndex);
+    Q_INVOKABLE void submitTwoFactorCode(const QString &code);
+    Q_INVOKABLE void cancelPendingLaunch();
+    Q_INVOKABLE void stopGame();
+
+    // Проверка без запуска — для подсказки в интерфейсе.
+    Q_INVOKABLE QStringList checkInstallation(int versionIndex) const;
+
+    Q_INVOKABLE QVariantMap settings() const;
+    Q_INVOKABLE void updateSettings(const QVariantMap &values);
+    Q_INVOKABLE QStringList detectedJava() const;
+
     Q_INVOKABLE void openMinecraftFolder();
+    Q_INVOKABLE void openGameFolder();
 
 signals:
     void profilesChanged();
     void versionsChanged();
+    void installedVersionsChanged();
+    void settingsChanged();
+    void gameRunningChanged();
+    void busyChanged();
+
+    void launchProgress(const QString &message);
     void launched(const QString &profileName, const QString &versionName, const QString &serverUrl);
     void launchError(const QString &message);
+    void twoFactorRequired(const QString &profileName);
+    void gameOutput(const QString &line);
+    void gameFinished(int exitCode, bool crashed);
 
 private:
-    struct Profile { int id; QString name, login, password; };
-    struct Version { int id; QString name, serverUrl; };
+    struct Profile
+    {
+        int id = 0;
+        QString name, login, password;
+        QString authType = QStringLiteral("offline");   // offline | elyby
+        QString clientToken, accessToken, uuid, resolvedName, userType;
+    };
+    struct Version
+    {
+        int id = 0;
+        QString name, serverUrl, versionId;
+    };
 
     void loadData();
+    void loadSettings();
     void saveProfiles();
     void saveVersions();
-    QString minecraftDir() const;
+    void saveSettings();
+
+    QString defaultMinecraftDir() const;
+    QString gameDir() const;
+    QString versionIdOf(const Version &version) const;
+
+    void setBusy(bool busy);
+    void failLaunch(const QString &message);
+    void beginAuthentication();
+    void continueLaunch(const AuthResult &auth);
 
     QList<Profile> m_profiles;
     QList<Version> m_versions;
+    QVariantMap m_settings;
     QString m_dataDir;
     int m_nextProfileId = 1;
     int m_nextVersionId = 1;
+
+    AuthService *m_auth;
+    GameLauncher *m_launcher;
+
+    bool m_busy = false;
+
+    // Состояние запуска, начатого до асинхронной авторизации.
+    int m_pendingProfile = -1;
+    int m_pendingVersion = -1;
+    MinecraftVersion m_pendingVersionData;
+    QString m_pendingInjectorPath;
 };