Python: add interpreter selector to the python project wizard

Change-Id: I7ea1df34fa0096a84a0d611b401f991508c826c1
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/python/pythonwizardpage.h

@@ -0,0 +1,42 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <projectexplorer/jsonwizard/jsonwizard.h>
+#include <projectexplorer/jsonwizard/jsonwizardpagefactory.h>
+#include <projectexplorer/runconfigurationaspects.h>
+
+#include <utils/aspects.h>
+#include <utils/wizardpage.h>
+
+namespace Python::Internal {
+
+class PythonWizardPageFactory : public ProjectExplorer::JsonWizardPageFactory
+{
+public:
+    PythonWizardPageFactory();
+
+    Utils::WizardPage *create(ProjectExplorer::JsonWizard *wizard,
+                              Utils::Id typeId,
+                              const QVariant &data) override;
+    bool validateData(Utils::Id typeId, const QVariant &data, QString *errorMessage) override;
+};
+
+class PythonWizardPage : public Utils::WizardPage
+{
+public:
+    PythonWizardPage();
+    void initializePage() override;
+    bool validatePage() override;
+
+    void addPySideVersions(const QString &name, const QVariant &data);
+    void setDefaultPySideVersions(int index);
+
+private:
+    void setupProject(const ProjectExplorer::JsonWizard::GeneratorFiles &files);
+    void updateInterpreters();
+
+    ProjectExplorer::InterpreterAspect m_interpreter;
+    Utils::SelectionAspect m_pySideVersion;
+};
+
+} // namespace Python::Internal