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https://github.com/cookiengineer/audacity
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Locate and position the current Audacity source code, and clear a variety of old junk out of the way into junk-branches
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ra
425
src/prefs/MidiIOPrefs.cpp
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425
src/prefs/MidiIOPrefs.cpp
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/**********************************************************************
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Audacity: A Digital Audio Editor
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MidiIOPrefs.cpp
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Joshua Haberman
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Dominic Mazzoni
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James Crook
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*******************************************************************//**
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\class MidiIOPrefs
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\brief A PrefsPanel used to select recording and playback devices and
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other settings.
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Presents interface for user to select the recording device and
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playback device, from the list of choices that PortMidi
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makes available.
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Also lets user decide whether or not to record in stereo, and
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whether or not to play other tracks while recording one (duplex).
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*//********************************************************************/
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#include "../Audacity.h"
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#include "../Experimental.h"
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#ifdef EXPERIMENTAL_MIDI_OUT
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#include <wx/defs.h>
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#include <wx/choice.h>
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#include <wx/intl.h>
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#include "portmidi.h"
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#include "../AudioIO.h"
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#include "../Internat.h"
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#include "../Prefs.h"
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#include "../Project.h"
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#include "../ShuttleGui.h"
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#include "MidiIOPrefs.h"
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enum {
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HostID = 10000,
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PlayID,
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RecordID,
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ChannelsID
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};
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BEGIN_EVENT_TABLE(MidiIOPrefs, PrefsPanel)
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EVT_CHOICE(HostID, MidiIOPrefs::OnHost)
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// EVT_CHOICE(RecordID, MidiIOPrefs::OnDevice)
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END_EVENT_TABLE()
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MidiIOPrefs::MidiIOPrefs(wxWindow * parent)
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: PrefsPanel(parent, _("MIDI Devices"))
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{
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Populate();
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}
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MidiIOPrefs::~MidiIOPrefs()
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{
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}
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void MidiIOPrefs::Populate()
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{
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// First any pre-processing for constructing the GUI.
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GetNamesAndLabels();
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// Get current setting for devices
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mPlayDevice = gPrefs->Read(wxT("/MidiIO/PlaybackDevice"), wxT(""));
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mRecordDevice = gPrefs->Read(wxT("/MidiIO/RecordingDevice"), wxT(""));
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// mRecordChannels = gPrefs->Read(wxT("/MidiIO/RecordChannels"), 2L);
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//------------------------- Main section --------------------
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// Now construct the GUI itself.
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// Use 'eIsCreatingFromPrefs' so that the GUI is
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// initialised with values from gPrefs.
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ShuttleGui S(this, eIsCreatingFromPrefs);
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PopulateOrExchange(S);
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// ----------------------- End of main section --------------
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wxCommandEvent e;
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OnHost(e);
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}
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/// Gets the lists of names and lists of labels which are
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/// used in the choice controls.
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/// The names are what the user sees in the wxChoice.
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/// The corresponding labels are what gets stored.
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void MidiIOPrefs::GetNamesAndLabels() {
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// Gather list of hosts. Only added hosts that have devices attached.
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int nDevices = Pm_CountDevices();
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for (int i = 0; i < nDevices; i++) {
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const PmDeviceInfo *info = Pm_GetDeviceInfo(i);
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if (info->output || info->input) { //should always happen
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wxString name(info->interf, wxConvLocal);
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if (mHostNames.Index(name) == wxNOT_FOUND) {
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mHostNames.Add(name);
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mHostLabels.Add(name);
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}
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}
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}
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}
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void MidiIOPrefs::PopulateOrExchange( ShuttleGui & S ) {
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wxArrayString empty;
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S.SetBorder(2);
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S.StartStatic(_("Interface"));
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{
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S.StartMultiColumn(2);
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{
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S.Id(HostID);
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mHost = S.TieChoice(_("Host") + wxString(wxT(":")),
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wxT("/MidiIO/Host"),
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wxT(""),
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mHostNames,
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mHostLabels);
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S.SetSizeHints(mHostNames);
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S.AddPrompt(_("Using:"));
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S.AddFixedText(wxString(Pa_GetVersionText(), wxConvLocal));
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}
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S.EndMultiColumn();
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}
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S.EndStatic();
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S.StartStatic(_("Playback"));
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{
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S.StartMultiColumn(2);
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{
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S.Id(PlayID);
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mPlay = S.AddChoice(_("Device") + wxString(wxT(":")),
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wxEmptyString,
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&empty);
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}
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S.EndMultiColumn();
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}
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S.EndStatic();
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S.StartStatic(_("Recording"));
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{
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S.StartMultiColumn(2);
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{
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S.Id(RecordID);
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mRecord = S.AddChoice(_("Device") + wxString(wxT(":")),
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wxEmptyString,
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&empty);
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S.Id(ChannelsID);
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/*
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mChannels = S.AddChoice(_("Channels") + wxString(wxT(":")),
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wxEmptyString,
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&empty);
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*/
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}
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S.EndMultiColumn();
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}
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S.EndStatic();
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}
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// Not sure that these settings are needed right now.
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#if 0
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S.StartStatic( _("Playthrough") );
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{
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S.TieCheckBox( _("&Play other tracks while recording new one"),
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wxT("Duplex"),true);
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#ifdef __MACOSX__
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S.TieCheckBox( _("&Hardware Playthrough (Play new track while recording it)"),
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wxT("Playthrough"),false);
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#endif
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S.TieCheckBox( _("&Software Playthrough (Play new track while recording it)"),
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wxT("SWPlaythrough"),false);
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}
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S.EndStatic();
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S.StartHorizontalLay( wxEXPAND, 0 );
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S.StartStatic( _("Cut Preview"),1 );
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{
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S.StartThreeColumn();
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S.TieTextBox( _("Play before cut region:"), wxT("CutPreviewBeforeLen"),1.0,9);
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S.AddUnits( _("seconds") );
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S.TieTextBox( _("Play after cut region:"),wxT("CutPreviewAfterLen"), 1.0,9);
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S.AddUnits( _("seconds") );
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S.EndThreeColumn();
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}
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S.EndStatic();
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S.StartStatic( _("Latency"),1 );
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{
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S.StartThreeColumn();
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// only show the following controls if we use Portaudio v19, because
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// for Portaudio v19 we always use default buffer sizes
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S.TieTextBox( _("Audio to buffer:"),wxT("LatencyDuration"),100.0,9);
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S.AddUnits( _("milliseconds") );
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S.TieTextBox( _("Latency correction:"),wxT("LatencyCorrection"),0.0,9);
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S.AddUnits( _("milliseconds") );
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S.EndThreeColumn();
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}
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S.EndStatic();
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S.EndHorizontalLay();
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S.StartHorizontalLay( wxEXPAND, 0 );
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S.StartStatic( _("Seek Time"),1 );
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{
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S.StartThreeColumn();
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S.TieTextBox( _("Short period:"), wxT("SeekShortPeriod"),1.0,9);
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S.AddUnits( _("seconds") );
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S.TieTextBox( _("Long period:"),wxT("SeekLongPeriod"), 15.0,9);
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S.AddUnits( _("seconds") );
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S.EndThreeColumn();
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}
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S.EndStatic();
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S.StartStatic( _("Effects Preview"),1 );
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{
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S.StartThreeColumn();
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S.TieTextBox( _("Play when previewing:"), wxT("EffectsPreviewLen"), 3.0,9);
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S.AddUnits( _("seconds") );
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S.EndThreeColumn();
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}
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gPrefs->SetPath(wxT("/"));
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#endif
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// JKC: This is some old code that was sizing control labels all the same,
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// even if in different static controls. It made for a nicer layout.
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// We might want to do something like that again in future.
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#if 0
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// find out the biggest minimum size of labels
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int maxIndex = 0,r;
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wxSize maxMinSize = textSizer[0]->GetMinSize();
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for (r = 1; r < 3; r++) {
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if (textSizer[r]->GetMinSize().GetWidth() > maxMinSize.GetWidth()) {
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maxMinSize = textSizer[r]->GetMinSize();
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maxIndex = r;
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}
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}
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// set small minimum sizes to max minumum size
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for (r = 0; r < 3; r++) {
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if (r != maxIndex)
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textSizer[r]->SetMinSize( maxMinSize );
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}
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#endif
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void MidiIOPrefs::OnHost(wxCommandEvent & e)
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{
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int index = mHost->GetCurrentSelection();
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wxString itemAtIndex = mHostNames.Item(index);
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int nDevices = Pm_CountDevices();
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if (nDevices == 0) {
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mHost->Clear();
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mHost->Append(_("No MIDI interfaces"), (void *) NULL);
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mHost->SetSelection(0);
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}
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mPlay->Clear();
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mRecord->Clear();
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wxArrayString playnames;
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wxArrayString recordnames;
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for (int i = 0; i < nDevices; i++) {
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const PmDeviceInfo *info = Pm_GetDeviceInfo(i);
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wxString interf(info->interf, wxConvLocal);
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if (itemAtIndex.IsSameAs(interf)) {
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wxString name(info->name, wxConvLocal);
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wxString device = wxString::Format(wxT("%s: %s"),
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interf.c_str(),
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name.c_str());
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int index;
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if (info->output) {
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playnames.Add(name);
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index = mPlay->Append(name, (void *) info);
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if (device == mPlayDevice) {
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mPlay->SetSelection(index);
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}
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}
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if (info->input) {
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recordnames.Add(name);
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index = mRecord->Append(name, (void *) info);
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if (device == mRecordDevice) {
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mRecord->SetSelection(index);
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}
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}
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}
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}
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if (mPlay->GetCount() == 0) {
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playnames.Add(_("No devices found"));
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mPlay->Append(playnames[0], (void *) NULL);
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}
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if (mRecord->GetCount() == 0) {
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recordnames.Add(_("No devices found"));
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mRecord->Append(recordnames[0], (void *) NULL);
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}
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if (mPlay->GetCount() && mPlay->GetSelection() == wxNOT_FOUND) {
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mPlay->SetSelection(0);
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}
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if (mRecord->GetCount() && mRecord->GetSelection() == wxNOT_FOUND) {
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mRecord->SetSelection(0);
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}
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ShuttleGui S(this, eIsCreating);
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S.SetSizeHints(mPlay, playnames);
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S.SetSizeHints(mRecord, recordnames);
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// OnDevice(e);
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}
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/*
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void MidiIOPrefs::OnDevice(wxCommandEvent & e)
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{
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int ndx = mRecord->GetCurrentSelection();
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if (ndx == wxNOT_FOUND) {
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ndx = 0;
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}
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int sel = mChannels->GetSelection();
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int cnt = 0;
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const PmDeviceInfo *info = (const PmDeviceInfo *) mRecord->GetClientData(ndx);
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if (info != NULL) {
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cnt = info->input;
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}
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if (sel != wxNOT_FOUND) {
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mRecordChannels = sel + 1;
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}
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mChannels->Clear();
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// Limit cnt
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cnt = cnt <= 0 ? 16 : cnt;
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cnt = cnt > 256 ? 256 : cnt;
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wxArrayString channelnames;
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// Channel counts, mono, stereo etc...
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for (int i = 0; i < cnt; i++) {
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wxString name;
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if (i == 0) {
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name = _("1 (Mono)");
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}
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else if (i == 1) {
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name = _("2 (Stereo)");
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}
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else {
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name = wxString::Format(wxT("%d"), i + 1);
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}
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channelnames.Add(name);
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int index = mChannels->Append(name);
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if (i == mRecordChannels - 1) {
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mChannels->SetSelection(index);
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}
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}
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if (mChannels->GetCount() && mChannels->GetCurrentSelection() == wxNOT_FOUND) {
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mChannels->SetSelection(0);
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}
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ShuttleGui S(this, eIsCreating);
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S.SetSizeHints(mChannels, channelnames);
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Layout();
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}
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*/
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bool MidiIOPrefs::Apply()
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{
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ShuttleGui S(this, eIsSavingToPrefs);
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PopulateOrExchange(S);
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const PmDeviceInfo *info;
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info = (const PmDeviceInfo *) mPlay->GetClientData(mPlay->GetSelection());
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if (info) {
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gPrefs->Write(wxT("/MidiIO/PlaybackDevice"),
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wxString::Format(wxT("%s: %s"),
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wxString(info->interf, wxConvLocal).c_str(),
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wxString(info->name, wxConvLocal).c_str()));
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}
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info = (const PmDeviceInfo *) mRecord->GetClientData(mRecord->GetSelection());
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if (info) {
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gPrefs->Write(wxT("/MidiIO/RecordingDevice"),
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wxString::Format(wxT("%s: %s"),
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wxString(info->interf, wxConvLocal).c_str(),
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wxString(info->name, wxConvLocal).c_str()));
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}
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/*
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gPrefs->Write(wxT("/MidiIO/RecordChannels"),
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wxString::Format(wxT("%d"),
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mChannels->GetSelection() + 1));
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*/
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#if USE_PORTMIXER
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if (gAudioIO)
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gAudioIO->HandleDeviceChange();
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#endif // USE_PORTMIXER
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return true;
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}
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// Indentation settings for Vim and Emacs and unique identifier for Arch, a
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// version control system. Please do not modify past this point.
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//
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// Local Variables:
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// c-basic-offset: 3
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// indent-tabs-mode: nil
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// End:
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//
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// vim: et sts=3 sw=3
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// arch-tag: d6904b91-a320-4194-8d60-caa9175b6bb4
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#endif
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