Manager: Add machine deletion

src/qt/qt_vmmanager_main.cpp

@@ -107,6 +107,13 @@ VMManagerMain::VMManagerMain(QWidget *parent) :
             });
             killIcon.setEnabled(selected_sysconfig->process->state() == QProcess::Running);
 
+            QAction deleteAction(tr("&Delete"));
+            contextMenu.addAction(&deleteAction);
+            connect(&deleteAction, &QAction::triggered, [this, parent] {
+                deleteSystem(selected_sysconfig);
+            });
+            deleteAction.setEnabled(selected_sysconfig->process->state() == QProcess::NotRunning);
+
             contextMenu.addSeparator();
 
             QAction showRawConfigFile(tr("Show &config file"));
@@ -433,6 +440,25 @@ VMManagerMain::addNewSystem(const QString &name, const QString &dir, const QStri
             });
 }
 
+
+void
+VMManagerMain::deleteSystem(VMManagerSystem *sysconfig)
+{
+    QMessageBox msgbox(QMessageBox::Icon::Warning, tr("Warning"), tr("Do you really want to delete the virtual machine \"%1\" and all its files? This action cannot be undone!").arg(sysconfig->displayName), QMessageBox::StandardButton::Yes | QMessageBox::StandardButton::No, qobject_cast<QWidget *>(this->parent()));
+    msgbox.exec();
+    if (msgbox.result() == QMessageBox::Yes) {
+        auto qrmdir = new QDir(sysconfig->config_dir);
+        if (const bool rmdirResult = qrmdir->removeRecursively(); !rmdirResult) {
+            QMessageBox::critical(this, tr("Remove directory failed"), tr("Some files in the machine's directory were unable to be deleted. Please delete them manually."));
+            return;
+        }
+        auto config = new VMManagerConfig(VMManagerConfig::ConfigType::General);
+        config->remove(sysconfig->uuid);
+        vm_model->removeConfigFromModel(sysconfig);
+        delete sysconfig;
+    }
+}
+
 QStringList
 VMManagerMain::getSearchCompletionList() const
 {

src/qt/qt_vmmanager_main.hpp

@@ -70,6 +70,7 @@ public slots:
     void shutdownForceButtonPressed() const;
     void searchSystems(const QString &text) const;
     void newMachineWizard();
+    void deleteSystem(VMManagerSystem *sysconfig);
     void addNewSystem(const QString &name, const QString &dir, const QString &displayName = QString(), const QString &configFile = {});
 #if __GNUC__ >= 11
     [[nodiscard]] QStringList getSearchCompletionList() const;

src/qt/qt_vmmanager_model.cpp

@@ -140,6 +140,18 @@ VMManagerModel::addConfigToModel(VMManagerSystem *system_config)
     connect(system_config, &VMManagerSystem::itemDataChanged, this, &VMManagerModel::modelDataChanged);
     endInsertRows();
 }
+
+void
+VMManagerModel::removeConfigFromModel(VMManagerSystem *system_config)
+{
+    const QModelIndex index = getIndexForConfigFile(system_config->config_file);
+    disconnect(system_config, &VMManagerSystem::itemDataChanged, this, &VMManagerModel::modelDataChanged);
+    beginRemoveRows(QModelIndex(), index.row(), index.row());
+    machines.remove(index.row());
+    endRemoveRows();
+    emit systemDataChanged();
+}
+
 void
 VMManagerModel::modelDataChanged()
 {
@@ -177,4 +189,4 @@ VMManagerModel::getActiveMachineCount()
             running++;
     }
     return running;
-}
+}

src/qt/qt_vmmanager_model.hpp

@@ -51,6 +51,7 @@ public:
     [[nodiscard]] QVariant headerData(int section, Qt::Orientation orientation,
                         int role) const override;
     void addConfigToModel(VMManagerSystem *system_config);
+    void removeConfigFromModel(VMManagerSystem *system_config);
 
     [[nodiscard]] VMManagerSystem * getConfigObjectForIndex(const QModelIndex &index) const;
     QModelIndex getIndexForConfigFile(const QFileInfo& config_file);