Profiles, with at least a few bugs:

sanitizing file names isn't done, delete fails because of autosaves, and imports segfault for me

widget/form/settingsform.cpp

@@ -21,8 +21,8 @@
 #include <QClipboard>
 #include <QApplication>
 
-SettingsForm::SettingsForm()
-    : QObject()
+SettingsForm::SettingsForm(Core* core)
+    : QObject(), core(core)
 {
     main = new QWidget(), head = new QWidget();
     hboxcont1 = new QWidget(), hboxcont2 = new QWidget();
@@ -86,6 +86,10 @@ SettingsForm::SettingsForm()
     head->setLayout(&headLayout);
     headLayout.addWidget(&headLabel);
 
+    connect(&loadConf, SIGNAL(clicked()), this, SLOT(onLoadClicked()));
+    connect(&exportConf, SIGNAL(clicked()), this, SLOT(onExportClicked()));
+    connect(&delConf, SIGNAL(clicked()), this, SLOT(onDeleteClicked()));
+    connect(&importConf, SIGNAL(clicked()), this, SLOT(onImportClicked()));
     connect(&videoTest, SIGNAL(clicked()), this, SLOT(onTestVideoClicked()));
     connect(&enableIPv6, SIGNAL(stateChanged(int)), this, SLOT(onEnableIPv6Updated()));
     connect(&useTranslations, SIGNAL(stateChanged(int)), this, SLOT(onUseTranslationUpdated()));
@@ -107,6 +111,11 @@ void SettingsForm::populateProfiles()
 	}
 }
 
+QString SettingsForm::getSelectedSavePath()
+{
+    return Settings::getSettingsDirPath() + profiles.currentText() + core->TOX_EXT;
+}
+
 void SettingsForm::setFriendAddress(const QString& friendAddress)
 {
     id.setText(friendAddress);
@@ -122,6 +131,37 @@ void SettingsForm::show(Ui::Widget &ui)
     head->show();
 }
 
+void SettingsForm::onLoadClicked()
+{
+    core->saveConfiguration();
+    core->loadConfiguration(getSelectedSavePath());
+    // loadConf also setsCurrentProfile
+}
+
+void SettingsForm::onExportClicked()
+{
+    QString current = getSelectedSavePath();
+    QString path = QFileDialog::getSaveFileName(0, tr("Export profile", "save dialog title"), QDir::homePath() + '/' + profiles.currentText() + core->TOX_EXT, tr("Tox save file (*.tox)", "save dialog filter"));
+    // dunno if that "~" works
+    QFile::copy(getSelectedSavePath(), path);
+}
+
+void SettingsForm::onDeleteClicked()
+{ // this should really be guarded by a pop up
+    QFile::remove(getSelectedSavePath());
+}
+
+void SettingsForm::onImportClicked()
+{
+    QString path = QFileDialog::getOpenFileName(0, tr("Import profile", "import dialog title"), QDir::homePath(), tr("Tox save file (*.tox)", "import dialog filter"));
+    // again, the "~"...
+    QFileInfo info(path);
+    QString profile = info.completeBaseName();
+    QString profilePath = Settings::getSettingsDirPath() + profile + core->TOX_EXT;
+    QFile::copy(path, profilePath);
+    core->loadConfiguration(profilePath);
+}
+
 void SettingsForm::onTestVideoClicked()
 {
      Widget::getInstance()->showTestCamview();

widget/form/settingsform.h

@@ -29,15 +29,17 @@
 #include <QComboBox>
 #include <QDir>
 #include <QFileInfo>
+#include <QFileDialog>
 #include "widget/tool/clickablelabel.h"
 #include "ui_widget.h"
 #include "widget/selfcamview.h"
+#include "core.h"
 
 class SettingsForm : public QObject
 {
     Q_OBJECT
 public:
-    SettingsForm();
+    SettingsForm(Core* core);
     ~SettingsForm();
 
     void show(Ui::Widget& ui);
@@ -46,6 +48,10 @@ public slots:
     void setFriendAddress(const QString& friendAddress);
 
 private slots:
+    void onLoadClicked();
+    void onExportClicked();
+    void onDeleteClicked();
+    void onImportClicked();
     void onTestVideoClicked();
     void onEnableIPv6Updated();
     void onUseTranslationUpdated();
@@ -64,6 +70,8 @@ private:
     QVBoxLayout layout, headLayout;
     QWidget *main, *head, *hboxcont1, *hboxcont2;
     void populateProfiles();
+    QString getSelectedSavePath();
+    Core* core;
 
 public:
     //QLineEdit name, statusText;

widget/widget.cpp

@@ -141,6 +141,8 @@ Widget::Widget(QWidget *parent) :
 
     isWindowMinimized = 0;
 
+    settingsForm = new SettingsForm(core);
+
     ui->mainContent->setLayout(new QVBoxLayout());
     ui->mainHead->setLayout(new QVBoxLayout());
     ui->mainHead->layout()->setMargin(0);
@@ -217,7 +219,7 @@ Widget::Widget(QWidget *parent) :
     connect(core, &Core::statusSet, this, &Widget::onStatusSet);
     connect(core, &Core::usernameSet, this, &Widget::setUsername);
     connect(core, &Core::statusMessageSet, this, &Widget::setStatusMessage);
-    connect(core, &Core::friendAddressGenerated, &settingsForm, &SettingsForm::setFriendAddress);
+    connect(core, &Core::friendAddressGenerated, settingsForm, &SettingsForm::setFriendAddress);
     connect(core, SIGNAL(fileDownloadFinished(const QString&)), &filesForm, SLOT(onFileDownloadComplete(const QString&)));
     connect(core, SIGNAL(fileUploadFinished(const QString&)), &filesForm, SLOT(onFileUploadComplete(const QString&)));
     connect(core, &Core::friendAdded, this, &Widget::addFriend);
@@ -281,6 +283,7 @@ Widget::~Widget()
     settings.setValue("geometry", geometry());
     settings.setValue("maximized", isMaximized());
     settings.setValue("useNativeTheme", useNativeTheme);
+    delete settingsForm;
     delete ui;
 }
 
@@ -391,7 +394,7 @@ void Widget::onTransferClicked()
 void Widget::onSettingsClicked()
 {
     hideMainForms();
-    settingsForm.show(*ui);
+    settingsForm->show(*ui);
     isFriendWidgetActive = 0;
     isGroupWidgetActive = 0;
 }

widget/widget.h

@@ -142,7 +142,7 @@ private:
     Core* core;
     QThread* coreThread;
     AddFriendForm friendForm;
-    SettingsForm settingsForm;
+    SettingsForm* settingsForm;
     FilesForm filesForm;
     static Widget* instance;
     FriendWidget* activeFriendWidget;