HAL
spinner_widget.h
Go to the documentation of this file.
1 // MIT License
2 //
3 // Copyright (c) 2019 Ruhr University Bochum, Chair for Embedded Security. All Rights reserved.
4 // Copyright (c) 2019 Marc Fyrbiak, Sebastian Wallat, Max Hoffmann ("ORIGINAL AUTHORS"). All rights reserved.
5 // Copyright (c) 2021 Max Planck Institute for Security and Privacy. All Rights reserved.
6 // Copyright (c) 2021 Jörn Langheinrich, Julian Speith, Nils Albartus, René Walendy, Simon Klix ("ORIGINAL AUTHORS"). All Rights reserved.
7 //
8 // Permission is hereby granted, free of charge, to any person obtaining a copy
9 // of this software and associated documentation files (the "Software"), to deal
10 // in the Software without restriction, including without limitation the rights
11 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 // copies of the Software, and to permit persons to whom the Software is
13 // furnished to do so, subject to the following conditions:
14 //
15 // The above copyright notice and this permission notice shall be included in all
16 // copies or substantial portions of the Software.
17 //
18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 // SOFTWARE.
25 
26 #pragma once
27 
28 #include <QSvgRenderer>
29 #include <QWidget>
30 
31 namespace hal
32 {
40  class SpinnerWidget final : public QWidget
41  {
42  Q_OBJECT
43 
44  public:
50  explicit SpinnerWidget(QWidget* parent = nullptr);
51 
55  void start();
56 
60  void stop();
61 
62  private Q_SLOTS:
63  void handleRepaintNeeded();
64 
65  protected:
66  void paintEvent(QPaintEvent* event) override;
67  QSize sizeHint() const override;
68 
69  private:
70  QSvgRenderer* mRenderer;
71  };
72 }
A loading wheel.
SpinnerWidget(QWidget *parent=nullptr)
void paintEvent(QPaintEvent *event) override
QSize sizeHint() const override
Q_OBJECTQ_OBJECT
Q_SLOTSQ_SLOTS
QObject * parent() const const
virtual bool event(QEvent *event) override