GitLab: Allow browsing and cloning projects

Change-Id: I1cc877ea6b5a55ae7bdb8e7a529afeb08d09e0c0
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/gitlab/gitlabdialog.h

@@ -0,0 +1,81 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+#pragma once
+
+#include "ui_gitlabdialog.h"
+
+#include "queryrunner.h"
+#include "resultparser.h"
+
+#include <utils/filepath.h>
+#include <utils/id.h>
+
+#include <QDialog>
+
+QT_BEGIN_NAMESPACE
+class QPushButton;
+QT_END_NAMESPACE
+
+namespace GitLab {
+
+class GitLabParameters;
+class GitLabDialog : public QDialog
+{
+    Q_OBJECT
+public:
+    explicit GitLabDialog(QWidget *parent = nullptr);
+
+    void updateRemotes();
+
+protected:
+    void keyPressEvent(QKeyEvent *event) override;
+
+private:
+    void resetTreeView(QTreeView *treeView, QAbstractItemModel *model);
+    void requestMainViewUpdate();
+    void updatePageButtons();
+
+    void queryFirstPage();
+    void queryPreviousPage();
+    void queryNextPage();
+    void queryLastPage();
+    void querySearch();
+    void continuePageUpdate();
+
+    void handleUser(const User &user);
+    void handleProjects(const Projects &projects);
+    void fetchProjects();
+
+    void cloneSelected();
+
+    Ui::GitLabDialog m_ui;
+    QPushButton *m_clonePB = nullptr;
+    Utils::Id m_currentServerId;
+    Query m_lastTreeViewQuery;
+    PageInformation m_lastPageInformation;
+    int m_currentUserId = -1;
+};
+
+} // namespace GitLab