add startup profile detection

core.cpp

@@ -43,8 +43,8 @@ const QString Core::TOX_EXT = ".tox";
 QList<ToxFile> Core::fileSendQueue;
 QList<ToxFile> Core::fileRecvQueue;
 
-Core::Core(Camera* cam, QThread *coreThread) :
-    tox(nullptr), camera(cam)
+Core::Core(Camera* cam, QThread *coreThread, QString loadPath) :
+    tox(nullptr), camera(cam), loadPath(loadPath)
 {
     videobuf = new uint8_t[videobufsize];
     videoBusyness=0;
@@ -213,28 +213,14 @@ void Core::start()
 
     qsrand(time(nullptr));
 
-    // where do we find the data file?
-    QString path;
-    {   // read data from whose profile?
-        path = Settings::getSettingsDirPath() + QDir::separator() + Settings::getInstance().getCurrentProfile() + TOX_EXT;
-        
-#if 1 // deprecation attempt
-        // if the last profile doesn't exist, fall back to old "data"
-        //! or maybe, should we give an option to choose other existing profiles?
-        QFile file(path);
-        if (!file.exists())
-        {
-            path = Settings::getSettingsDirPath() + QDir::separator() + CONFIG_FILE_NAME;
-        }
-#endif
-    }
-    if (!loadConfiguration(path))
+    if (!loadConfiguration(loadPath)) // loadPath is meaningless after this
 	{
         emit failedToStart();
         tox_kill(tox);
         tox = nullptr;
         return;
     }
+    loadPath = "";
 
     tox_callback_friend_request(tox, onFriendRequest, this);
     tox_callback_friend_message(tox, onFriendMessage, this);
@@ -1156,10 +1142,10 @@ void Core::saveConfiguration()
     
     QString path = dir + QDir::separator() + profile + TOX_EXT;
     QFileInfo info(path);
-    if (!info.exists()) // fall back to old school 'data'
-    {   //path = dir + QDir::separator() + CONFIG_FILE_NAME;
-        qDebug() << path << " does not exist";
-    }
+//    if (!info.exists()) // fall back to old school 'data'
+//    {   //path = dir + QDir::separator() + CONFIG_FILE_NAME;
+//        qDebug() << "Core:" << path << " does not exist";
+//    }
     
     saveConfiguration(path);
 }

core.h

@@ -34,11 +34,12 @@ class Core : public QObject
 {
     Q_OBJECT
 public:
-    explicit Core(Camera* cam, QThread* coreThread);
+    explicit Core(Camera* cam, QThread* coreThread, QString initialLoadPath);
     static Core* getInstance(); ///< Returns the global widget's Core instance
     ~Core();
     
     static const QString TOX_EXT;
+    static const QString CONFIG_FILE_NAME;
 
     int getGroupNumberPeers(int groupId) const;
     QString getGroupPeerName(int groupId, int peerId) const;
@@ -234,14 +235,14 @@ private slots:
 private:
     Tox* tox;
     ToxAv* toxav;
-    QTimer *toxTimer, *fileTimer, *bootstrapTimer; //, *saveTimer;
+    QTimer *toxTimer, *fileTimer; //, *saveTimer;
     Camera* camera;
+    QString loadPath; // meaningless after start() is called
     QList<DhtServer> dhtServerList;
     int dhtServerId;
     static QList<ToxFile> fileSendQueue, fileRecvQueue;
     static ToxCall calls[];
 
-    static const QString CONFIG_FILE_NAME;
     static const int videobufsize;
     static uint8_t* videobuf;
     static int videoBusyness; // Used to know when to drop frames

widget/widget.cpp

@@ -42,6 +42,7 @@
 #include <QClipboard>
 #include <QThread>
 #include <QFileDialog>
+#include <QInputDialog>
 #include <tox/tox.h>
 
 Widget *Widget::instance{nullptr};
@@ -118,9 +119,9 @@ Widget::Widget(QWidget *parent)
     qRegisterMetaType<ToxFile>("ToxFile");
     qRegisterMetaType<ToxFile::FileDirection>("ToxFile::FileDirection");
 
-    // QString path = detectProfiles();
+    QString profilePath = detectProfile();
     coreThread = new QThread(this);
-    core = new Core(camera, coreThread/*, profile*/);
+    core = new Core(camera, coreThread, profilePath);
     core->moveToThread(coreThread);
     connect(coreThread, &QThread::started, core, &Core::start);
 
@@ -215,6 +216,59 @@ void Widget::closeEvent(QCloseEvent *event)
     QWidget::closeEvent(event);
 }
 
+QString Widget::detectProfile()
+{
+    QDir dir(Settings::getSettingsDirPath());
+    QString path, profile = Settings::getInstance().getCurrentProfile();
+    path = dir.filePath(profile + Core::TOX_EXT);
+    QFile file(path);
+    if (profile == "" || !file.exists())
+    {
+#if 1 // deprecation attempt
+        // if the last profile doesn't exist, fall back to old "data"
+        path = dir.filePath(Core::CONFIG_FILE_NAME);
+        QFile file(path);
+        if (file.exists())
+            return path;
+        else
+#endif
+            return dir.filePath(askProfiles() + Core::TOX_EXT);
+    }
+    else
+        return path;
+}
+
+QList<QString> Widget::searchProfiles()
+{
+    QList<QString> out;
+    QDir dir(Settings::getSettingsDirPath());
+	dir.setFilter(QDir::Files | QDir::NoDotAndDotDot);
+	dir.setNameFilters(QStringList("*.tox"));
+	for(QFileInfo file : dir.entryInfoList())
+		out += file.completeBaseName();
+	return out;
+}
+
+QString Widget::askProfiles()
+{
+    QList<QString> profiles = searchProfiles();
+    bool ok;
+    QString profile = QInputDialog::getItem(this, 
+                                            tr("Choose a profile"),
+                                            tr("Please choose which identity to use"),
+                                            profiles,
+                                            0, // which slot to start on
+                                            false, // if the user can enter their own input
+                                            &ok);
+    if (!ok) // user cancelled
+    {
+        qApp->quit();
+        return "";
+    }
+    else
+        return profile;
+}
+
 QString Widget::getUsername()
 {
     return core->getUsername();

widget/widget.h

@@ -56,6 +56,7 @@ public:
     void newMessageAlert();
     bool isFriendWidgetCurActiveWidget(Friend* f);
     bool getIsWindowMinimized();
+    static QList<QString> searchProfiles();
     ~Widget();
 
     virtual void closeEvent(QCloseEvent *event);
@@ -112,8 +113,9 @@ private:
     virtual bool event(QEvent * e);
     Group* createGroup(int groupId);
     void removeFriend(Friend* f);
+    QString askProfiles();
+    QString detectProfile();
 
-private:
     Ui::MainWindow *ui;
     QSplitter *centralLayout;
     QPoint dragPosition;