CuteLogger
Fast and simple logging solution for Qt based applications
scopewidget.h
1/*
2 * Copyright (c) 2015-2016 Meltytech, LLC
3 * Author: Brian Matherly <code@brianmatherly.com>
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19#ifndef SCOPEWIDGET_H
20#define SCOPEWIDGET_H
21
22#include <QWidget>
23#include <QString>
24#include <Logger.h>
25#include <QThread>
26#include <QFuture>
27#include <QMutex>
28#include "sharedframe.h"
29#include "dataqueue.h"
30
57class ScopeWidget : public QWidget
58{
59 Q_OBJECT
60
61public:
68 explicit ScopeWidget(const QString &name);
69
71 virtual ~ScopeWidget();
72
77 virtual QString getTitle() = 0;
78
83 virtual void setOrientation(Qt::Orientation) {};
84
85public slots:
87 virtual void onNewFrame(const SharedFrame &frame) Q_DECL_FINAL;
88
89protected:
95 virtual void requestRefresh() Q_DECL_FINAL;
96
104 virtual void refreshScope(const QSize &size, bool full) = 0;
105
113
114 void resizeEvent(QResizeEvent *) Q_DECL_OVERRIDE;
115 void changeEvent(QEvent *) Q_DECL_OVERRIDE;
116
117private:
118 Q_INVOKABLE virtual void onRefreshThreadComplete() Q_DECL_FINAL;
119 virtual void refreshInThread() Q_DECL_FINAL;
120 QFuture<void> m_future;
121 bool m_refreshPending;
122
123 // Members accessed in multiple threads (mutex protected).
124 QMutex m_mutex;
125 bool m_forceRefresh;
126 QSize m_size;
127};
128
129#endif // SCOPEWIDGET_H
A file containing the description of Logger class and and additional useful macros for logging.
The DataQueue provides a thread safe container for passing data between objects.
Definition: dataqueue.h:49
The ScopeWidget provides a common interface for all scopes in Shotcut.
Definition: scopewidget.h:58
virtual void requestRefresh() Q_DECL_FINAL
Definition: scopewidget.cpp:47
virtual QString getTitle()=0
virtual void onNewFrame(const SharedFrame &frame) Q_DECL_FINAL
Provides a new frame to the scope. Should be called by the application.
Definition: scopewidget.cpp:41
virtual void refreshScope(const QSize &size, bool full)=0
DataQueue< SharedFrame > m_queue
Definition: scopewidget.h:112
virtual void setOrientation(Qt::Orientation)
Definition: scopewidget.h:83
virtual ~ScopeWidget()
Destructs a ScopeWidget.
Definition: scopewidget.cpp:37
The SharedFrame provides thread safe access to Mlt::Frame data.
Definition: sharedframe.h:49