removed invalid restriction

[wxWidgets.git] / samples / sound / sound.cpp

diff --git a/samples/sound/sound.cpp b/samples/sound/sound.cpp
index fd472471e4c72487d15bb83e3b2a478ac8aee4c3..8964f6dbc4acf0c24b5bec919cc5861e4d4a4b75 100644 (file)
--- a/samples/sound/sound.cpp
+++ b/samples/sound/sound.cpp
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        sound.cpp
-// Purpose:     Example of sound playing in wxWindows
+// Purpose:     Example of sound playing in wxWidgets
 // Author:      Vaclav Slavik
 // Modified by:
 // Created:     2004/01/29
@@ -16,15 +16,19 @@
 #endif
 
 // for all others, include the necessary headers (this file is usually all you
-// need because it includes almost all "standard" wxWindows headers)
+// need because it includes almost all "standard" wxWidgets headers)
 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/frame.h"
     #include "wx/menu.h"
     #include "wx/msgdlg.h"
+    #include "wx/icon.h"
+    #include "wx/textctrl.h"
+    #include "wx/filedlg.h"
 #endif
 
 #include "wx/sound.h"
+#include "wx/numdlg.h"
 
 // ----------------------------------------------------------------------------
 // resources
@@ -60,14 +64,20 @@ public:
     void OnPlayAsync(wxCommandEvent& event);
     void OnPlayAsyncOnStack(wxCommandEvent& event);
     void OnPlayLoop(wxCommandEvent& event);
-    
+
+    void OnSelectFile(wxCommandEvent& event);
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
 
+    void NotifyUsingFile(const wxString& name);
+    
+
 private:
-    wxSound *m_sound;
+    wxSound*    m_sound;
+    wxString    m_soundFile;
+    wxTextCtrl* m_tc;
     
-    // any class wishing to process wxWindows events must use this macro
+    // any class wishing to process wxWidgets events must use this macro
     DECLARE_EVENT_TABLE()
 };
 
@@ -84,17 +94,19 @@ enum
     Sound_PlaySync = wxID_HIGHEST + 1,
     Sound_PlayAsync,
     Sound_PlayAsyncOnStack,
-    Sound_PlayLoop
+    Sound_PlayLoop,
+    Sound_SelectFile
 };
 
 // ----------------------------------------------------------------------------
-// event tables and other macros for wxWindows
+// event tables and other macros for wxWidgets
 // ----------------------------------------------------------------------------
 
-// the event tables connect the wxWindows events with the functions (event
+// the event tables connect the wxWidgets 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_SelectFile,       MyFrame::OnSelectFile)
     EVT_MENU(Sound_Quit,             MyFrame::OnQuit)
     EVT_MENU(Sound_About,            MyFrame::OnAbout)
     EVT_MENU(Sound_PlaySync,         MyFrame::OnPlaySync)
@@ -103,7 +115,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(Sound_PlayLoop,         MyFrame::OnPlayLoop)
 END_EVENT_TABLE()
 
-// Create a new application object: this macro will allow wxWindows to create
+// Create a new application object: this macro will allow wxWidgets 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
@@ -122,7 +134,7 @@ IMPLEMENT_APP(MyApp)
 bool MyApp::OnInit()
 {
     // create the main application window
-    MyFrame *frame = new MyFrame(_T("wxWindows Sound Sample"));
+    MyFrame *frame = new MyFrame(_T("wxWidgets Sound Sample"));
 
     // and show it (the frames, unlike simple controls, are not shown when
     // created initially)
@@ -143,6 +155,7 @@ MyFrame::MyFrame(const wxString& title)
        : wxFrame(NULL, wxID_ANY, title)
 {
     m_sound = NULL;
+    m_soundFile = WAV_FILE;
 
     // set the frame icon
     SetIcon(wxICON(sample));
@@ -151,6 +164,7 @@ MyFrame::MyFrame(const wxString& title)
     wxMenu *helpMenu = new wxMenu;
     wxMenu *playMenu = new wxMenu;
     helpMenu->Append(Sound_About, _T("&About...\tF1"), _T("Show about dialog"));
+    menuFile->Append(Sound_SelectFile, _T("&Select WAV file"), _T("Select a new wav file to play"));
     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"));
@@ -165,11 +179,40 @@ MyFrame::MyFrame(const wxString& title)
 
     // ... and attach this menu bar to the frame
     SetMenuBar(menuBar);
+
+    m_tc = new wxTextCtrl(this, wxID_ANY, wxEmptyString,
+                          wxDefaultPosition, wxDefaultSize,
+                          wxTE_MULTILINE|wxTE_READONLY);
+    NotifyUsingFile(m_soundFile);
+}
+
+
+
+void MyFrame::NotifyUsingFile(const wxString& name)
+{
+    wxString msg;
+    msg << _T("Using sound file: ") << name << _T("\n");
+    m_tc->AppendText(msg);
 }
 
 
 // event handlers
 
+
+void MyFrame::OnSelectFile(wxCommandEvent& WXUNUSED(event))
+{
+    wxFileDialog dlg(this, _T("Choose a sound file"),
+                     wxEmptyString, wxEmptyString,
+                     _T("WAV files (*.wav)|*.wav"), wxOPEN|wxCHANGE_DIR);
+    if ( dlg.ShowModal() == wxID_OK )
+    {
+        m_soundFile = dlg.GetPath();
+        delete m_sound;
+        m_sound = NULL;
+        NotifyUsingFile(m_soundFile);
+    }
+}
+
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 {
     // true is to force the frame to close
@@ -180,7 +223,7 @@ void MyFrame::OnPlaySync(wxCommandEvent& WXUNUSED(event))
 {
     wxBusyCursor busy;
     if (!m_sound)
-        m_sound = new wxSound(WAV_FILE);
+        m_sound = new wxSound(m_soundFile);
     if (m_sound->IsOk())
         m_sound->Play(wxSOUND_SYNC);
 }
@@ -189,7 +232,7 @@ void MyFrame::OnPlayAsync(wxCommandEvent& WXUNUSED(event))
 {
     wxBusyCursor busy;
     if (!m_sound)
-        m_sound = new wxSound(WAV_FILE);
+        m_sound = new wxSound(m_soundFile);
     if (m_sound->IsOk())
         m_sound->Play(wxSOUND_ASYNC);
 }
@@ -197,7 +240,7 @@ void MyFrame::OnPlayAsync(wxCommandEvent& WXUNUSED(event))
 void MyFrame::OnPlayAsyncOnStack(wxCommandEvent& WXUNUSED(event))
 {
     wxBusyCursor busy;
-    wxSound snd(WAV_FILE);
+    wxSound snd(m_soundFile);
     if (snd.IsOk())
         snd.Play(wxSOUND_ASYNC);
 }
@@ -206,7 +249,7 @@ void MyFrame::OnPlayLoop(wxCommandEvent& WXUNUSED(event))
 {
     wxBusyCursor busy;
     if (!m_sound)
-        m_sound = new wxSound(WAV_FILE);
+        m_sound = new wxSound(m_soundFile);
     if (m_sound->IsOk())
         m_sound->Play(wxSOUND_ASYNC | wxSOUND_LOOP);
 }