Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
145 lines
4.5 KiB
C++
145 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef MAINWIDGET_H
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#define MAINWIDGET_H
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#include <QWidget>
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#include <QIcon>
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#include <QtMultimedia/qaudio.h>
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class Engine;
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class FrequencySpectrum;
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class ProgressBar;
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class Spectrograph;
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class Waveform;
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class LevelMeter;
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class SettingsDialog;
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class ToneGeneratorDialog;
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QT_FORWARD_DECLARE_CLASS(QAudioFormat)
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QT_FORWARD_DECLARE_CLASS(QLabel)
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QT_FORWARD_DECLARE_CLASS(QPushButton)
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QT_FORWARD_DECLARE_CLASS(QMenu)
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QT_FORWARD_DECLARE_CLASS(QAction)
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/**
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* Main application widget, responsible for connecting the various UI
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* elements to the Engine.
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*/
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class MainWidget : public QWidget {
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Q_OBJECT
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public:
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MainWidget(QWidget *parent = 0);
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~MainWidget();
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// QObject
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void timerEvent(QTimerEvent *event);
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public slots:
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void stateChanged(QAudio::Mode mode, QAudio::State state);
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void formatChanged(const QAudioFormat &format);
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void spectrumChanged(qint64 position, qint64 length,
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const FrequencySpectrum &spectrum);
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void infoMessage(const QString &message, int timeoutMs);
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void errorMessage(const QString &heading, const QString &detail);
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void audioPositionChanged(qint64 position);
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void bufferLengthChanged(qint64 length);
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private slots:
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void showFileDialog();
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void showSettingsDialog();
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void showToneGeneratorDialog();
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void initializeRecord();
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void updateModeMenu();
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void updateButtonStates();
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private:
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void createUi();
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void createMenus();
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void connectUi();
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void reset();
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enum Mode {
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NoMode,
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RecordMode,
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GenerateToneMode,
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LoadFileMode
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};
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void setMode(Mode mode);
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private:
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Mode m_mode;
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Engine* m_engine;
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#ifndef DISABLE_WAVEFORM
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Waveform* m_waveform;
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#endif
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ProgressBar* m_progressBar;
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Spectrograph* m_spectrograph;
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LevelMeter* m_levelMeter;
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QPushButton* m_modeButton;
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QPushButton* m_recordButton;
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QIcon m_recordIcon;
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QPushButton* m_pauseButton;
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QIcon m_pauseIcon;
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QPushButton* m_playButton;
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QIcon m_playIcon;
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QPushButton* m_settingsButton;
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QIcon m_settingsIcon;
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QLabel* m_infoMessage;
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int m_infoMessageTimerId;
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SettingsDialog* m_settingsDialog;
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ToneGeneratorDialog* m_toneGeneratorDialog;
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QMenu* m_modeMenu;
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QAction* m_loadFileAction;
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QAction* m_generateToneAction;
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QAction* m_recordAction;
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};
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#endif // MAINWIDGET_H
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