103 files changed, 15418 insertions, 0 deletions
diff --git a/launcher/ui/pages/BasePage.h b/launcher/ui/pages/BasePage.h
new file mode 100644
index 00000000..408965d0
--- /dev/null
+++ b/launcher/ui/pages/BasePage.h
@@ -0,0 +1,58 @@
+/* Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QString>
+#include <QIcon>
+#include <memory>
+
+#include "BasePageContainer.h"
+
+class BasePage
+{
+public:
+    virtual ~BasePage() {}
+    virtual QString id() const = 0;
+    virtual QString displayName() const = 0;
+    virtual QIcon icon() const = 0;
+    virtual bool apply() { return true; }
+    virtual bool shouldDisplay() const { return true; }
+    virtual QString helpPage() const { return QString(); }
+    void opened()
+    {
+        isOpened = true;
+        openedImpl();
+    }
+    void closed()
+    {
+        isOpened = false;
+        closedImpl();
+    }
+    virtual void openedImpl() {}
+    virtual void closedImpl() {}
+    virtual void setParentContainer(BasePageContainer * container)
+    {
+        m_container = container;
+    };
+public:
+    int stackIndex = -1;
+    int listIndex = -1;
+protected:
+    BasePageContainer * m_container = nullptr;
+    bool isOpened = false;
+};
+
+typedef std::shared_ptr<BasePage> BasePagePtr;
diff --git a/launcher/ui/pages/BasePageContainer.h b/launcher/ui/pages/BasePageContainer.h
new file mode 100644
index 00000000..f8c7adeb
--- /dev/null
+++ b/launcher/ui/pages/BasePageContainer.h
@@ -0,0 +1,10 @@
+#pragma once
+
+class BasePageContainer
+{
+public:
+    virtual ~BasePageContainer(){};
+    virtual bool selectPage(QString pageId) = 0;
+    virtual void refreshContainer() = 0;
+    virtual bool requestClose() = 0;
+};
diff --git a/launcher/ui/pages/BasePageProvider.h b/launcher/ui/pages/BasePageProvider.h
new file mode 100644
index 00000000..873e8dce
--- /dev/null
+++ b/launcher/ui/pages/BasePageProvider.h
@@ -0,0 +1,68 @@
+/* Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "ui/pages/BasePage.h"
+#include <memory>
+#include <functional>
+
+class BasePageProvider
+{
+public:
+    virtual QList<BasePage *> getPages() = 0;
+    virtual QString dialogTitle() = 0;
+};
+
+class GenericPageProvider : public BasePageProvider
+{
+    typedef std::function<BasePage *()> PageCreator;
+public:
+    explicit GenericPageProvider(const QString &dialogTitle)
+        : m_dialogTitle(dialogTitle)
+    {
+    }
+    virtual ~GenericPageProvider() {}
+
+    QList<BasePage *> getPages() override
+    {
+        QList<BasePage *> pages;
+        for (PageCreator creator : m_creators)
+        {
+            p