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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<title>Sound Example</title>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Sound Example</h1>
<p>
This example shows how easy it is to play sounds, e.g. .WAV files,
if your machine is set up to play audio.
<p> <hr>
<p> Header file:
<p> <pre>/****************************************************************************
** $Id: qt/sound.h 3.3.8 edited Jan 11 14:37 $
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#ifndef PLAY_H
#define PLAY_H
#include "qsound.h"
#include <<a href="qmainwindow-h.html">qmainwindow.h</a>>
class SoundPlayer : public <a href="qmainwindow.html">TQMainWindow</a> {
<a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a>
public:
SoundPlayer();
public slots:
void doPlay1();
void doPlay2();
void doPlay3();
void doPlay4();
void doPlay34();
void doPlay1234();
private:
<a href="qsound.html">TQSound</a> bucket3;
<a href="qsound.html">TQSound</a> bucket4;
};
#endif
</pre>
<p> <hr>
<p> Implementation:
<p> <pre>/****************************************************************************
** $Id: qt/sound.cpp 3.3.8 edited Jan 11 14:37 $
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
//
// Very simple example of TQSound::play(filename)
//
// 99% of this program is just boilerplate TQt code to put up a nice
// window so you think something special is happening.
//
#include "sound.h"
#include <<a href="qapplication-h.html">qapplication.h</a>>
#include <<a href="qmessagebox-h.html">qmessagebox.h</a>>
#include <<a href="qmenubar-h.html">qmenubar.h</a>>
<a name="f581"></a>SoundPlayer::SoundPlayer() :
<a href="qmainwindow.html">TQMainWindow</a>(),
bucket3("sounds/3.wav"),
bucket4("sounds/4.wav")
{
if (!TQSound::isAvailable()) {
// Bail out. Programs in which sound is not critical
// could just silently (hehe) ignore the lack of a server.
//
<a name="x2812"></a> TQMessageBox::<a href="qmessagebox.html#warning">warning</a>(this,"No Sound",
"<p><b>Sorry, you are not running the Network Audio System.</b>"
"<p>If you have the `au' command, run it in the background before this program. "
"The latest release of the Network Audio System can be obtained from:"
"<pre>\n"
" &nbsp;\n"
" ftp.ncd.com:/pub/ncd/technology/src/nas\n"
" ftp.x.org:/contrib/audio/nas\n"
"</pre>"
"<p>Release 1.2 of NAS is also included with the X11R6"
"contrib distribution."
"<p>After installing NAS, you will then need to reconfigure TQt with NAS sound support");
}
<a href="qpopupmenu.html">TQPopupMenu</a> *file = new <a href="qpopupmenu.html">TQPopupMenu</a>;
<a name="x2810"></a> file-><a href="qmenudata.html#insertItem">insertItem</a>("Play &1", this, SLOT(doPlay1()), CTRL+Key_1);
file-><a href="qmenudata.html#insertItem">insertItem</a>("Play &2", this, SLOT(doPlay2()), CTRL+Key_2);
file-><a href="qmenudata.html#insertItem">insertItem</a>("Play from bucket &3", this, SLOT(doPlay3()), CTRL+Key_3);
file-><a href="qmenudata.html#insertItem">insertItem</a>("Play from bucket &4", this, SLOT(doPlay4()), CTRL+Key_4);
<a name="x2811"></a> file-><a href="qmenudata.html#insertSeparator">insertSeparator</a>();
file-><a href="qmenudata.html#insertItem">insertItem</a>("Play 3 and 4 together", this, SLOT(doPlay34()));
file-><a href="qmenudata.html#insertItem">insertItem</a>("Play all together", this, SLOT(doPlay1234()));
file-><a href="qmenudata.html#insertSeparator">insertSeparator</a>();
file-><a href="qmenudata.html#insertItem">insertItem</a>("E&xit", qApp, SLOT(<a href="qapplication.html#tquit">tquit</a>()));
<a href="qmainwindow.html#menuBar">menuBar</a>()->insertItem("&File", file);
}
void <a name="f582"></a>SoundPlayer::doPlay1()
{
<a name="x2813"></a> TQSound::<a href="qsound.html#play">play</a>("sounds/1.wav");
}
void <a name="f583"></a>SoundPlayer::doPlay2()
{
TQSound::<a href="qsound.html#play">play</a>("sounds/2.wav");
}
void <a name="f584"></a>SoundPlayer::doPlay3()
{
bucket3.play();
}
void <a name="f585"></a>SoundPlayer::doPlay4()
{
bucket4.play();
}
void <a name="f586"></a>SoundPlayer::doPlay34()
{
// Some sound platforms will only play one sound at a time
bucket3.play();
bucket4.play();
}
void <a name="f587"></a>SoundPlayer::doPlay1234()
{
// Some sound platforms will only play one sound at a time
TQSound::<a href="qsound.html#play">play</a>("sounds/1.wav");
TQSound::<a href="qsound.html#play">play</a>("sounds/2.wav");
bucket3.play();
bucket4.play();
}
int main(int argc, char** argv)
{
<a href="qapplication.html">TQApplication</a> app(argc,argv);
SoundPlayer sp;
app.<a href="qapplication.html#setMainWidget">setMainWidget</a>(&sp);
sp.<a href="qwidget.html#setCaption">setCaption</a>("TQt Example - Sounds");
sp.<a href="qwidget.html#show">show</a>();
return app.<a href="qapplication.html#exec">exec</a>();
}
</pre>
<p> <p>See also <a href="examples.html">Examples</a>.
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