1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QApplication>
#include <QMessageBox>
#include <QMainWindow>
#include <QScreen>
#include <QVariant>
#include <QSettings>
#include <QFileDialog>
#include <QCommandLineParser>
#include "ui_mainwindow.h"
static const char geometryKey[] = "Geometry";
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
MainWindow();
~MainWindow();
void openMedia(const QString &mediaUrl);
public slots:
void on_mediaPlayer_PlayStateChange(int newState);
void on_actionOpen_triggered();
void on_actionExit_triggered();
void on_actionAbout_triggered();
void on_actionAboutQt_triggered();
private:
void updateWindowTitle(const QString &state);
Ui::MainWindow m_ui;
};
MainWindow::MainWindow()
{
m_ui.setupUi(this);
QSettings settings(QSettings::IniFormat, QSettings::UserScope,
QCoreApplication::organizationName(), QCoreApplication::applicationName());
const QByteArray restoredGeometry = settings.value(QLatin1String(geometryKey)).toByteArray();
if (restoredGeometry.isEmpty() || !restoreGeometry(restoredGeometry)) {
const QRect availableGeometry = screen()->availableGeometry();
const QSize size = (availableGeometry.size() * 4) / 5;
resize(size);
move(availableGeometry.center() - QPoint(size.width(), size.height()) / 2);
}
m_ui.mediaPlayer->dynamicCall("enableContextMenu", false);
m_ui.mediaPlayer->dynamicCall("stretchToFit", true);
updateWindowTitle("");
}
MainWindow::~MainWindow()
{
QSettings settings(QSettings::IniFormat, QSettings::UserScope,
QCoreApplication::organizationName(), QCoreApplication::applicationName());
settings.setValue(QLatin1String(geometryKey), saveGeometry());
}
void MainWindow::on_mediaPlayer_PlayStateChange(int newState)
{
static const QHash<int, const char *> stateMapping {
{1, "Stopped"},
{2, "Paused"},
{3, "Playing"},
{4, "Scanning Forwards"},
{5, "Scanning Backwards"},
{6, "Buffering"},
{7, "Waiting"},
{8, "Media Ended"},
{9, "Transitioning"},
{10, "Ready"},
{11, "Reconnecting"},
};
const char *stateStr = stateMapping.value(newState, "");
updateWindowTitle(tr(stateStr));
}
void MainWindow::on_actionOpen_triggered()
{
QFileDialog fileDialog(this, tr("Open File"));
fileDialog.setAcceptMode(QFileDialog::AcceptOpen);
fileDialog.setFileMode(QFileDialog::ExistingFile);
fileDialog.setMimeTypeFilters({ "application/octet-stream", "video/x-msvideo", "video/mp4", "audio/mpeg", "audio/mp4" });
if (fileDialog.exec() == QDialog::Accepted)
openMedia(fileDialog.selectedFiles().first());
}
void MainWindow::on_actionExit_triggered()
{
QCoreApplication::quit();
}
void MainWindow::on_actionAbout_triggered()
{
QMessageBox::about(this, tr("About Media Player"),
tr("This Example has been created using the ActiveQt integration into Qt Designer.\n"
"It demonstrates the use of QAxWidget to embed the Windows Media Player ActiveX\n"
"control into a Qt application."));
}
void MainWindow::on_actionAboutQt_triggered()
{
QMessageBox::aboutQt(this, tr("About Qt"));
}
void MainWindow::openMedia(const QString &mediaUrl)
{
if (!mediaUrl.isEmpty())
m_ui.mediaPlayer->dynamicCall("URL", mediaUrl);
}
void MainWindow::updateWindowTitle(const QString &state)
{
QString appName = QCoreApplication::applicationName();
QString title = state.isEmpty() ? appName :
QString("%1 (%2)").arg(appName, state);
setWindowTitle(title);
}
#include "main.moc"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QCoreApplication::setApplicationVersion(QT_VERSION_STR);
QCoreApplication::setApplicationName(QLatin1String("Active Qt Media Player"));
QCoreApplication::setOrganizationName(QLatin1String("QtProject"));
MainWindow w;
QCommandLineParser parser;
parser.setApplicationDescription(QCoreApplication::applicationName());
parser.addHelpOption();
parser.addVersionOption();
parser.addPositionalArgument("file", "The media file to open.");
parser.process(app);
if (!parser.positionalArguments().isEmpty())
w.openMedia(parser.positionalArguments().constFirst());
w.show();
return app.exec();
}
|
