[Window] Changed how window handles modules

Now every window will maintain a shared_ptr of a module in order to
prevent it from being deleted
and automatically delete it when the window is destroyed

src/shared/Core/Window/Window.cpp

@@ -23,8 +23,9 @@
 
 Window::Window(XmlObject configuration)
 {
-    errorDisplayer = new ErrorDisplayer(this);
-    Module *module = ModulesList::getInstance().instantiateModule(
+    errorDisplayer = std::make_shared<ErrorDisplayer, QWidget *>(this);
+    std::shared_ptr<Module> module =
+        ModulesList::getInstance().instantiateModule(
             configuration.getObjectName());
 
     if (module)
@@ -34,22 +35,23 @@ Window::Window(XmlObject configuration)
     }
 }
 
-void Window::setChild(Module *module)
+void Window::setChild(std::shared_ptr<Module> module)
 {
-    setCentralWidget(module);
+    this->activeModule = module;
+    setCentralWidget(module.get());
     module->lower();
-
-    connect(module, &Module::replaceMe, this, &Window::replaceChild);
-    connect(module, &Module::closeMe, this, &Window::closeChild);
+    connect(module.get(), &Module::replaceMe, this, &Window::replaceChild);
+    connect(module.get(), &Module::closeMe, this, &Window::closeChild);
 }
 
-void Window::replaceChild(Module *oldModule, Module *newModule)
+void Window::replaceChild(std::shared_ptr<Module> _oldModule,
+                          std::shared_ptr<Module> newModule)
 {
-    // Set the new module
+    std::shared_ptr<Module> oldModule = this->activeModule;
+
     setChild(newModule);
 
-    // Delete the old child
-    delete oldModule;
+    oldModule.reset();
 }
 
 void Window::closeChild(Module *module) { close(); }

src/shared/Core/Window/Window.h

@@ -24,6 +24,7 @@
 #include <QCloseEvent>
 #include <QMainWindow>
 #include <QMenu>
+#include <memory>
 
 #include "Components/ErrorDisplayer/ErrorDisplayer.h"
 
@@ -36,7 +37,7 @@ public:
 
     XmlObject toXmlObject();
 
-    ErrorDisplayer *errorDisplayer;
+    std::shared_ptr<ErrorDisplayer> errorDisplayer;
 
     void closeEvent(QCloseEvent *event) override;
 
@@ -44,9 +45,12 @@ signals:
     void onWindowClosed();
 
 private:
-    void setChild(Module *module);
+    std::shared_ptr<Module> activeModule;
+
+    void setChild(std::shared_ptr<Module> module);
 
 private slots:
-    void replaceChild(Module *oldModule, Module *newModule);
+    void replaceChild(std::shared_ptr<Module> oldModule,
+                      std::shared_ptr<Module> newModule);
     void closeChild(Module *module);
 };