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wxAudioSettings.cpp
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wxAudioSettings.cpp
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#include "wxAudioSettings.h"
#include "wx/stdpaths.h"
#include "portaudio.h"
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
IMPLEMENT_DYNAMIC_CLASS( wxAudioSettings, wxDialog )
BEGIN_EVENT_TABLE( wxAudioSettings, wxDialog )
EVT_CLOSE( wxAudioSettings::OnClose )
EVT_BUTTON( ID_BUTTON_CLOSE, wxAudioSettings::OnCloseButton )
EVT_CHOICE( ID_MIDI_OUT_DEVICE, wxAudioSettings::OnChangeMidiOutDevice )
//EVT_CHOICE( ID_MIDI_IN_DEVICE, wxAudioSettings::OnChangeMidiInDevice )
END_EVENT_TABLE()
wxAudioSettings::wxAudioSettings( )
{
}
wxAudioSettings::~wxAudioSettings()
{
}
wxAudioSettings::wxAudioSettings( wxWindow* parent, AudioSettingsInterface* callback, wxWindowID id, const wxString& caption, const wxPoint& pos, const wxSize& size, long style )
{
Create(parent, callback, id, caption, pos, size, style);
}
bool wxAudioSettings::Create( wxWindow* parent, AudioSettingsInterface* callback, wxWindowID id, const wxString& caption, const wxPoint& pos, const wxSize& size, long style )
{
// Set member variables here
_callback = callback;
_btnClose = NULL;
//_inDevice = NULL;
_outDevice = NULL;
_txtMidiOutputDevice = NULL;
//_txtMidiInputDevice = NULL;
SetExtraStyle(GetExtraStyle()|wxWS_EX_BLOCK_EVENTS);
wxDialog::Create( parent, id, caption, pos, size, style );
CreateControls();
GetSizer()->Fit(this);
GetSizer()->SetSizeHints(this);
Centre();
//_mainDlg = (WhateverDlg*)parent;
return true;
}
void wxAudioSettings::CreateControls()
{
wxAudioSettings* itemDialog1 = this;
wxImage spinImage;
wxStandardPaths paths;
#ifdef WIN32
wxString spinPath = wxString::Format(_("%s\\spin.bmp"), paths.GetDataDir().c_str());
#else
wxString spinPath = _("spin.bmp");
#endif
spinImage.LoadFile( spinPath, wxBITMAP_TYPE_BMP );
wxBoxSizer* itemBoxSizer2 = new wxBoxSizer(wxVERTICAL);
itemDialog1->SetSizer(itemBoxSizer2);
wxFlexGridSizer* itemBoxSizer3 = new wxFlexGridSizer(5, 2, 0, 0);
itemBoxSizer2->Add(itemBoxSizer3, 0, 0, 0 );
_txtMidiOutputDevice = new wxStaticText( itemDialog1, wxID_STATIC, _("Audio Out Device:"), wxDefaultPosition, wxDefaultSize, 0 );
itemBoxSizer3->Add(_txtMidiOutputDevice, 0, wxALIGN_LEFT|wxALIGN_CENTER_VERTICAL|wxALL|wxADJUST_MINSIZE, 5);
int numDevices;
numDevices = Pa_GetDeviceCount();
if( numDevices < 0 )
{
wxMessageBox( wxString::Format(_("ERROR: Pa_CountDevices returned 0x%x.\n"), numDevices ) );
}
const PaDeviceInfo *deviceInfo;
wxArrayString empty;
_outDevice = new wxKeylessChoice( itemDialog1, ID_MIDI_OUT_DEVICE, wxDefaultPosition, wxDefaultSize, empty );
itemBoxSizer3->Add(_outDevice, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
if( numDevices == 0 )
{
_outDevice->Enable(false);
}
// Get the list of available APIs. We can use this to select devices by category.
//PaHostApiIndex numApis = Pa_GetHostApiCount();
//const PaHostApiInfo* apiInfo;
//for( int j = 0; j < numApis; j++ )
//{
// apiInfo = Pa_GetHostApiInfo(j);
//}
for( int i = 0; i < numDevices; i++ )
{
deviceInfo = Pa_GetDeviceInfo( i );
//int structVersion
//const char * name
//PaHostApiIndex hostApi
//int maxInputChannels
//int maxOutputChannels
//PaTime defaultLowInputLatency
//PaTime defaultLowOutputLatency
//PaTime defaultHighInputLatency
//PaTime defaultHighOutputLatency
//double defaultSampleRate
PaStreamParameters* outputParameters = new PaStreamParameters;
memset( outputParameters, 0, sizeof( outputParameters ) ); //not necessary if you are filling in all the fields
outputParameters->channelCount = 2;
outputParameters->device = i;
outputParameters->hostApiSpecificStreamInfo = NULL;
outputParameters->sampleFormat = paFloat32;
outputParameters->suggestedLatency = deviceInfo->defaultLowOutputLatency;
outputParameters->hostApiSpecificStreamInfo = NULL; //See you specific host's API docs for info on using this field
int err = Pa_IsFormatSupported( NULL, outputParameters, 44100 );
if( err == paFormatIsSupported )
{
int msec = deviceInfo->defaultLowOutputLatency * 1000.0;
// Add the device to a list box on the GUI.
if( msec )
{
_outDevice->Insert(wxString::Format(_("%s (%d ms) [%s]"), wxString::FromAscii(deviceInfo->name).c_str(),
msec, wxString::FromAscii(Pa_GetHostApiInfo(deviceInfo->hostApi)->name).c_str()), 0, (void *)outputParameters );
}
else
{
_outDevice->Insert(wxString::Format(_("%s [%s]"), wxString::FromAscii(deviceInfo->name).c_str(),
wxString::FromAscii(Pa_GetHostApiInfo(deviceInfo->hostApi)->name).c_str()), 0, (void *)outputParameters );
}
}
}
//_txtMidiInputDevice = new wxStaticText( itemDialog1, wxID_STATIC, _("Audio In Device:"), wxDefaultPosition, wxDefaultSize, 0 );
//itemBoxSizer3->Add(_txtMidiInputDevice, 0, wxALIGN_LEFT|wxALIGN_CENTER_VERTICAL|wxALL|wxADJUST_MINSIZE, 5);
//// Look for MIDI input devices before creating choice box.
//numDevices = midiInGetNumDevs();
//MIDIINCAPS midiInCaps;
// HRESULT hr
//wxArrayString inDeviceList;
//for( count = 0; count < numDevices; count++ )
//{
// hr = midiInGetDevCaps( count, &midiInCaps, sizeof( midiInCaps ) );
// if( hr == MMSYSERR_BADDEVICEID || hr == MMSYSERR_INVALPARAM || hr == MMSYSERR_NODRIVER || hr == MMSYSERR_NOMEM )
// {
// continue;
// }
// // Add the device to a list box on the GUI.
// inDeviceList.Add( midiInCaps.szPname );
//}
// _inDevice = new wxKeylessChoice( itemDialog1, ID_MIDI_IN_DEVICE, wxDefaultPosition, wxDefaultSize, inDeviceList );
//if( numDevices > 0 )
//{
// _inDevice->SetSelection(0);
//}
//else
//{
// _inDevice->Enable(false);
//}
// itemBoxSizer3->Add(_inDevice, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
_btnClose = new wxButton( itemDialog1, ID_BUTTON_CLOSE, _("Close"));
itemBoxSizer2->Add(_btnClose, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
}
bool wxAudioSettings::SetForegroundColour(const wxColour &colour)
{
_textColour = colour;
_outDevice->SetForegroundColour(_textColour);
//_inDevice->SetForegroundColour(_textColour);
_txtMidiOutputDevice->SetForegroundColour(_textColour);
//_txtMidiInputDevice->SetForegroundColour(_textColour);
_btnClose->SetForegroundColour(_textColour);
wxDialog::SetForegroundColour(colour);
Refresh();
return true;
}
bool wxAudioSettings::SetBackgroundColour(const wxColour &colour)
{
_backgroundColour = colour;
_outDevice->SetBackgroundColour(_backgroundColour);
//_inDevice->SetBackgroundColour(_backgroundColour);
_btnClose->SetBackgroundColour(_backgroundColour);
wxDialog::SetBackgroundColour(colour);
Refresh();
return true;
}
void wxAudioSettings::OnClose( wxCloseEvent& event )
{
// TODO: On close, populate values back into MIDI settings data.
EndModal(0);
//Destroy();
event.Skip();
}
void wxAudioSettings::OnCloseButton( wxCommandEvent& event )
{
// TODO: On close, populate values back into MIDI settings data.
EndModal(0);
event.Skip();
}
void wxAudioSettings::OnChangeMidiOutDevice( wxCommandEvent& )
{
// Subtract 1 because the first device is -1 (MIDI Mapper).
int selection = _outDevice->GetCurrentSelection( );
_callback->SelectAudioOutputDevice((PaStreamParameters*)_outDevice->GetClientData(selection));
}
//void wxAudioSettings::OnChangeMidiInDevice( wxCommandEvent& )
//{
// // There is no MIDI Mapper for input.
// int selection = _inDevice->GetCurrentSelection( );
// _callback->SelectMidiInputDevice(selection);
//}
///**
//* Sets the selected input device index.
//*/
//void wxAudioSettings::SetMidiInputDeviceIndex(unsigned int index)
//{
// if( _inDevice->GetCount() > index )
// _inDevice->SetSelection(index);
//}
/**
* Sets the selected output device index.
*/
void wxAudioSettings::SetMidiOutputDeviceIndex(unsigned int index)
{
if( _outDevice->GetCount() > index )
_outDevice->SetSelection(index);
}