File indexing completed on 2024-04-28 04:21:27
0001 // SPDX-FileCopyrightText: 2003-2022 Jesper K. Pedersen <blackie@kde.org> 0002 // 0003 // SPDX-License-Identifier: GPL-2.0-or-later 0004 0005 #ifndef SPEEDDISPLAY_H 0006 #define SPEEDDISPLAY_H 0007 0008 #include <QLabel> 0009 #include <chrono> 0010 0011 class QTimeLine; 0012 class QTimer; 0013 class QLabel; 0014 class QHBoxLayout; 0015 0016 namespace Viewer 0017 { 0018 0019 class TransientDisplay : public QLabel 0020 { 0021 Q_OBJECT 0022 0023 public: 0024 explicit TransientDisplay(QWidget *parent); 0025 enum FadeAction { FadeOut, 0026 NoFadeOut }; 0027 void display(const QString &text, std::chrono::milliseconds duration = std::chrono::seconds(1), FadeAction action = FadeOut); 0028 0029 private: 0030 void go(std::chrono::milliseconds duration); 0031 void setAlphaChannel(int alpha); 0032 void setAlphaChannel(int background, int label); 0033 0034 QTimer *m_timer; 0035 QTimeLine *m_timeLine; 0036 FadeAction m_nextFadeAction; 0037 }; 0038 } 0039 0040 #endif /* SPEEDDISPLAY_H */ 0041 0042 // vi:expandtab:tabstop=4 shiftwidth=4: