added wxWave sample

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25447 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/sound/sound.cpp

@@ -0,0 +1,221 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        sound.cpp
+// Purpose:     Example of sound playing in wxWindows
+// Author:      Vaclav Slavik
+// Modified by:
+// Created:     2004/01/29
+// RCS-ID:      $Id$
+// Copyright:   (c) 2004 Vaclav Salvik
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+// for all others, include the necessary headers (this file is usually all you
+// need because it includes almost all "standard" wxWindows headers)
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+    #include "wx/frame.h"
+    #include "wx/menu.h"
+    #include "wx/msgdlg.h"
+#endif
+
+#include "wx/wave.h"
+
+// ----------------------------------------------------------------------------
+// resources
+// ----------------------------------------------------------------------------
+
+// the application icon (under Windows and OS/2 it is in resources)
+#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__)
+    #include "../sample.xpm"
+#endif
+
+#define WAV_FILE _T("doggrowl.wav")
+
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+class MyApp : public wxApp
+{
+public:
+    virtual bool OnInit();
+};
+
+
+class MyFrame : public wxFrame
+{
+public:
+    // ctor(s)
+    MyFrame(const wxString& title);
+    ~MyFrame() { delete m_sound; }
+
+    // event handlers (these functions should _not_ be virtual)
+    void OnPlaySync(wxCommandEvent& event);
+    void OnPlayAsync(wxCommandEvent& event);
+    void OnPlayAsyncOnStack(wxCommandEvent& event);
+    void OnPlayLoop(wxCommandEvent& event);
+    
+    void OnQuit(wxCommandEvent& event);
+    void OnAbout(wxCommandEvent& event);
+
+private:
+    wxWave *m_sound;
+    
+    // any class wishing to process wxWindows events must use this macro
+    DECLARE_EVENT_TABLE()
+};
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// IDs for the controls and the menu commands
+enum
+{
+    // menu items
+    Sound_Quit = wxID_EXIT,
+    Sound_About = wxID_ABOUT,
+    Sound_PlaySync = wxID_HIGHEST + 1,
+    Sound_PlayAsync,
+    Sound_PlayAsyncOnStack,
+    Sound_PlayLoop
+};
+
+// ----------------------------------------------------------------------------
+// event tables and other macros for wxWindows
+// ----------------------------------------------------------------------------
+
+// the event tables connect the wxWindows events with the functions (event
+// handlers) which process them. It can be also done at run-time, but for the
+// simple menu events like this the static method is much simpler.
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+    EVT_MENU(Sound_Quit,             MyFrame::OnQuit)
+    EVT_MENU(Sound_About,            MyFrame::OnAbout)
+    EVT_MENU(Sound_PlaySync,         MyFrame::OnPlaySync)
+    EVT_MENU(Sound_PlayAsync,        MyFrame::OnPlayAsync)
+    EVT_MENU(Sound_PlayAsyncOnStack, MyFrame::OnPlayAsync)
+    EVT_MENU(Sound_PlayLoop,         MyFrame::OnPlayLoop)
+END_EVENT_TABLE()
+
+// Create a new application object: this macro will allow wxWindows to create
+// the application object during program execution (it's better than using a
+// static object for many reasons) and also implements the accessor function
+// wxGetApp() which will return the reference of the right type (i.e. MyApp and
+// not wxApp)
+IMPLEMENT_APP(MyApp)
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// the application class
+// ----------------------------------------------------------------------------
+
+// 'Main program' equivalent: the program execution "starts" here
+bool MyApp::OnInit()
+{
+    // create the main application window
+    MyFrame *frame = new MyFrame(_T("wxWindows Sound Sample"));
+
+    // and show it (the frames, unlike simple controls, are not shown when
+    // created initially)
+    frame->Show(true);
+
+    // success: wxApp::OnRun() will be called which will enter the main message
+    // loop and the application will run. If we returned false here, the
+    // application would exit immediately.
+    return true;
+}
+
+// ----------------------------------------------------------------------------
+// main frame
+// ----------------------------------------------------------------------------
+
+// frame constructor
+MyFrame::MyFrame(const wxString& title)
+       : wxFrame(NULL, wxID_ANY, title)
+{
+    m_sound = NULL;
+
+    // set the frame icon
+    SetIcon(wxICON(sample));
+
+    wxMenu *menuFile = new wxMenu;
+    wxMenu *helpMenu = new wxMenu;
+    wxMenu *playMenu = new wxMenu;
+    helpMenu->Append(Sound_About, _T("&About...\tF1"), _T("Show about dialog"));
+    menuFile->Append(Sound_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
+    playMenu->Append(Sound_PlaySync, _T("Play sound &synchronously"));
+    playMenu->Append(Sound_PlayAsync, _T("Play sound &asynchronously"));
+    playMenu->Append(Sound_PlayAsync, _T("Play sound asynchronously (&object on stack)"));
+    playMenu->Append(Sound_PlayLoop, _T("&Loop sound"));
+
+    // now append the freshly created menu to the menu bar...
+    wxMenuBar *menuBar = new wxMenuBar();
+    menuBar->Append(menuFile, _T("&File"));
+    menuBar->Append(playMenu, _T("&Play"));
+    menuBar->Append(helpMenu, _T("&Help"));
+
+    // ... and attach this menu bar to the frame
+    SetMenuBar(menuBar);
+}
+
+
+// event handlers
+
+void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
+{
+    // true is to force the frame to close
+    Close(true);
+}
+
+void MyFrame::OnPlaySync(wxCommandEvent& WXUNUSED(event))
+{
+    wxBusyCursor busy;
+    if (!m_sound)
+        m_sound = new wxWave(WAV_FILE);
+    if (m_sound->IsOk())
+        m_sound->Play(false/*async*/);
+}
+
+void MyFrame::OnPlayAsync(wxCommandEvent& WXUNUSED(event))
+{
+    wxBusyCursor busy;
+    if (!m_sound)
+        m_sound = new wxWave(WAV_FILE);
+    if (m_sound->IsOk())
+        m_sound->Play(true/*async*/);
+}
+
+void MyFrame::OnPlayAsyncOnStack(wxCommandEvent& WXUNUSED(event))
+{
+    wxBusyCursor busy;
+    wxWave snd(WAV_FILE);
+    if (snd.IsOk())
+        snd.Play(true/*async*/);
+}
+
+void MyFrame::OnPlayLoop(wxCommandEvent& WXUNUSED(event))
+{
+    wxBusyCursor busy;
+    if (!m_sound)
+        m_sound = new wxWave(WAV_FILE);
+    if (m_sound->IsOk())
+        m_sound->Play(true/*async*/, true/*loop*/);
+}
+
+void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
+{
+    wxString msg;
+    msg.Printf( _T("This is the About dialog of the sound sample.\n")
+                _T("Welcome to %s"), wxVERSION_STRING);
+
+    wxMessageBox(msg, _T("About"), wxOK | wxICON_INFORMATION, this);
+}