Add source files for UI

Signed-off-by: Yihe Li <winmikedows@hotmail.com>

launcher/ui/dialogs/CreateShortcutDialog.h

@@ -0,0 +1,56 @@
+/* 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 <QDialog>
+#include "BaseInstance.h"
+
+class BaseInstance;
+
+namespace Ui {
+class CreateShortcutDialog;
+}
+
+class CreateShortcutDialog : public QDialog {
+    Q_OBJECT
+
+   public:
+    explicit CreateShortcutDialog(InstancePtr instance, QWidget* parent = nullptr);
+    ~CreateShortcutDialog();
+
+   private slots:
+    // Icon, target and name
+    void on_iconButton_clicked();
+    void on_saveTargetSelectionBox_currentIndexChanged(int index);
+    void on_instNameTextBox_textChanged(const QString& arg1);
+
+    // Override account
+    void on_overrideAccountCheckbox_stateChanged(int state);
+    void on_accountSelectionBox_currentIndexChanged(int index);
+
+    // Override target (world, server)
+    void on_targetCheckbox_stateChanged(int state);
+    void on_worldSelectionBox_currentIndexChanged(int index);
+    void on_serverAddressTextBox_textChanged(const QString& arg1);
+    void targetChanged();
+
+   private:
+    /* data */
+    Ui::CreateShortcutDialog* ui;
+    QString InstIconKey;
+    InstancePtr m_instance;
+    bool m_QuickJoinSupported = false;
+};