Added dialog to add events to object

dialogs/addeventdialog.cpp

@@ -0,0 +1,48 @@
+#include "addeventdialog.h"
+#include "ui_addeventdialog.h"
+
+#include <QMessageBox>
+
+AddEventDialog::AddEventDialog(QWidget *parent) :
+    QDialog{parent},
+    m_ui{std::make_unique<Ui::AddEventDialog>()}
+{
+    m_ui->setupUi(this);
+
+#ifdef Q_OS_LINUX
+    setWindowFlags((windowFlags() & ~Qt::Dialog) | Qt::Window);
+#endif
+    setWindowFlag(Qt::WindowCloseButtonHint);
+
+    if (auto button = m_ui->buttonBox->button(QDialogButtonBox::Ok))
+        button->setIcon(QIcon{":/qtgameengine/icons/ok.png"});
+    if (auto button = m_ui->buttonBox->button(QDialogButtonBox::Cancel))
+        button->setIcon(QIcon{":/qtgameengine/icons/delete.png"});
+
+    connect(m_ui->pushButtonCreate, &QAbstractButton::clicked,
+            this, [this](){ m_eventType = Object::EventType::Create; accept(); });
+    connect(m_ui->pushButtonStep, &QAbstractButton::clicked,
+            this, [this](){ m_eventType = Object::EventType::Step; accept(); });
+    connect(m_ui->pushButtonDestroy, &QAbstractButton::clicked,
+            this, [this](){ m_eventType = Object::EventType::Destroy; accept(); });
+}
+
+AddEventDialog::~AddEventDialog() = default;
+
+void AddEventDialog::accept()
+{
+    if (!m_eventType)
+    {
+        QMessageBox::warning(this, tr("No Event selected!"), tr("No Event selected!"));
+        return;
+    }
+
+    QDialog::accept();
+}
+
+void AddEventDialog::reject()
+{
+    m_eventType = std::nullopt;
+
+    QDialog::reject();
+}