CuteLogger
Fast and simple logging solution for Qt based applications
longuitask.h
1/*
2 * Copyright (c) 2020 Meltytech, LLC
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#ifndef LONGUITASK_H
19#define LONGUITASK_H
20
21#include <QFuture>
22#include <QProgressDialog>
23#include <QtConcurrent/QtConcurrent>
24
25class LongUiTask : public QProgressDialog
26{
27public:
28 explicit LongUiTask(QString title);
29 ~LongUiTask();
30
31 template <class Ret>
32 Ret wait(QString text, const QFuture<Ret> &future)
33 {
34 setLabelText(text);
35 setRange(0, 0);
36 while (!future.isFinished()) {
37 setValue(0);
38 QCoreApplication::processEvents();
39 QThread::msleep(100);
40 }
41 return future.result();
42 }
43
44 template <class Ret, class Func, class ...Args>
45 Ret runAsync(QString text, Func &&f, Args &&...args)
46 {
47 QFuture<Ret> future = QtConcurrent::run(f, std::forward<Args>(args)...);
48 return wait<Ret>(text, future);
49 }
50
51 void reportProgress(QString text, int value, int max);
52 static void cancel();
53};
54
55#endif // LONGUITASK_H