Add in the parts to load and save widgets between uses

plugins/CMakeLists.txt

@@ -1,2 +1,5 @@
 add_subdirectory(WebBrowserPlugin)
+add_subdirectory(CalculatorPlugin)
+add_subdirectory(IrcClientPlugin)
 add_subdirectory(TerminalPlugin)
+add_subdirectory(ScreenShotPlugin)

src/mainwindow.cpp

@@ -9,10 +9,10 @@ MainWindow::MainWindow(QWidget *parent)
     createActions();
     createMenus();
     this->setWindowIcon(QIcon::fromTheme(QIcon::ThemeIcon::Computer));
-    initSettings();
     mdi = new QMdiArea;
     this->setCentralWidget(mdi);
     loadPlugins();
+    initSettings();
 }
 
 MainWindow::~MainWindow()
@@ -64,22 +64,70 @@ void MainWindow::about()
 void MainWindow::initSettings()
 {
     QSettings settings("SOM", "SOM");
-    if (!settings.contains("window/size")) {
-        settings.setValue("window/size", QSize(800, 600));
-        settings.setValue("window/position", (this->screen()->geometry().center() - this->frameGeometry().center()));
+
+    if (!settings.contains("window/geometry")) {
+        this->resize(QSize(800, 600));
+        this->move(this->screen()->geometry().center() - this->frameGeometry().center());
+        settings.setValue("window/geometry", this->saveGeometry());
         settings.sync();
     }
-        resize(settings.value("window/size", QSize(800, 600)).toSize());
-        move(settings.value("window/position", QPoint(100, 100)).toPoint());
+    this->restoreGeometry(settings.value("window/geometry").toByteArray());
+
+    settings.beginGroup("Plugins");
+    for (const QString &group : settings.childGroups()) {
+        settings.beginGroup(group);
+
+        QString pluginName = group.section('_', 0, 0);
+        pluginName = QUrl::fromPercentEncoding(pluginName.toUtf8());
+
+        Interface *iPlugin = nullptr;
+
+        for (QAction *action : toolsMenu->actions()) {
+            auto candidate = qobject_cast<Interface *>(action->parent());
+            if (candidate && candidate->pname() == pluginName) {
+                iPlugin = candidate;
+                break;
+            }
+        }
+
+        if (iPlugin) {
+            QWidget *pluginWidget = iPlugin->pcontent();
+            if (pluginWidget) {
+                QMdiSubWindow *sub = mdi->addSubWindow(pluginWidget);
+                sub->setProperty("uniqueId", group);
+                sub->restoreGeometry(settings.value("geometry").toByteArray());
+                sub->setAttribute(Qt::WA_DeleteOnClose);
+                sub->show();
+            }
+        }
+
+        settings.endGroup();
+    }
+    settings.endGroup();
 }
 
+
 void MainWindow::saveSettings()
 {
     QSettings settings("SOM", "SOM");
-    settings.setValue("window/size", size());
-    settings.setValue("window/position", pos());
+    settings.setValue("window/geometry", this->saveGeometry());
+
+    settings.beginGroup("Plugins");
+    settings.remove("");   
+    settings.endGroup();
+
+    settings.beginGroup("Plugins");
+    QList<QMdiSubWindow*> subWindows = mdi->subWindowList();
+    for (QMdiSubWindow* sub : subWindows) {
+        QString id = sub->windowTitle() + "_" + sub->property("uniqueId").toString();
+        settings.beginGroup(id);
+        settings.setValue("geometry", sub->saveGeometry());
+        settings.endGroup();
+    }
+    settings.endGroup();
 }
 
+
 void MainWindow::closeEvent(QCloseEvent *event)
 {
     saveSettings();
@@ -107,7 +155,6 @@ void MainWindow::loadPlugins()
         if (plugin) {
 
             populateMenu(plugin);
-            pluginFileNames += fileName;
         }
     }
 }
@@ -122,8 +169,11 @@ void MainWindow::changePlugin()
     if (!iPlugin)
         return;
 
+    QString pluginName = iPlugin->pname(); 
+    QString uniqueId = QUuid::createUuid().toString(); 
     QWidget* pluginContent = iPlugin->pcontent();
     auto *sub = mdi->addSubWindow(pluginContent);
+    sub->setProperty("uniqueId", uniqueId);
     sub->setAttribute(Qt::WA_DeleteOnClose);
     sub->show();
 }

src/mainwindow.h

@@ -41,7 +41,6 @@ private:
     QAction *aboutAct;
     QAction *aboutQtAct;
     QAction *settingsAct;
-    QStringList pluginFileNames;
     QDir pluginsDir;
     QMdiArea *mdi;