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/**********************************************************************
Audacity: A Digital Audio Editor
MixerBoard.cpp
Vaughan Johnson, January 2007
Dominic Mazzoni
**********************************************************************/
#include "MixerBoard.h"
#include <cfloat>
#include <math.h>
#include <wx/setup.h> // for wxUSE_* macros
#include <wx/bmpbuttn.h>
#include <wx/dcclient.h>
#include <wx/icon.h>
#include <wx/settings.h> // for wxSystemSettings::GetColour and wxSystemSettings::GetMetric
#include "AColor.h"
#include "AllThemeResources.h"
#include "AudioIO.h"
#ifdef USE_MIDI
#include "NoteTrack.h"
#endif
#include "CommonCommandFlags.h"
#include "KeyboardCapture.h"
#include "prefs/GUISettings.h" // for RTL_WORKAROUND
#include "Project.h"
#include "ProjectAudioIO.h"
#include "ProjectAudioManager.h"
#include "ProjectHistory.h"
#include "ProjectFileIO.h"
#include "ProjectSettings.h"
#include "ProjectWindow.h"
#include "SelectUtilities.h"
#include "Theme.h"
#include "TrackPanel.h" // for EVT_TRACK_PANEL_TIMER
#include "TrackUtilities.h"
#include "UndoManager.h"
#include "WaveTrack.h"
#include "widgets/AButton.h"
#include "widgets/Meter.h"
#include "../images/MusicalInstruments.h"
#ifdef __WXMSW__
#include "../images/AudacityLogo.xpm"
#else
#include "../images/AudacityLogo48x48.xpm"
#endif
#include "commands/CommandManager.h"
#define AudacityMixerBoardTitle XO("Audacity Mixer Board%s")
// class MixerTrackSlider
BEGIN_EVENT_TABLE(MixerTrackSlider, ASlider)
EVT_MOUSE_EVENTS(MixerTrackSlider::OnMouseEvent)
EVT_SET_FOCUS(MixerTrackSlider::OnFocus)
EVT_KILL_FOCUS(MixerTrackSlider::OnFocus)
EVT_COMMAND(wxID_ANY, EVT_CAPTURE_KEY, MixerTrackSlider::OnCaptureKey)
END_EVENT_TABLE()
MixerTrackSlider::MixerTrackSlider(wxWindow * parent,
wxWindowID id,
const TranslatableString &name,
const wxPoint & pos,
const wxSize & size,
const ASlider::Options &options)
: ASlider(parent, id, name, pos, size, options)
{
}
void MixerTrackSlider::OnMouseEvent(wxMouseEvent &event)
{
ASlider::OnMouseEvent(event);
if (event.ButtonUp())
{
MixerTrackCluster* pMixerTrackCluster = (MixerTrackCluster*)(this->GetParent());
switch (mStyle)
{
case DB_SLIDER: pMixerTrackCluster->HandleSliderGain(true); break;
case PAN_SLIDER: pMixerTrackCluster->HandleSliderPan(true); break;
default: break; // no-op
}
}
}
void MixerTrackSlider::OnFocus(wxFocusEvent &event)
{
KeyboardCapture::OnFocus( *this, event );
}
void MixerTrackSlider::OnCaptureKey(wxCommandEvent &event)
{
wxKeyEvent *kevent = (wxKeyEvent *)event.GetEventObject();
int keyCode = kevent->GetKeyCode();
// Pass LEFT/RIGHT/UP/DOWN/PAGEUP/PAGEDOWN through for input/output sliders
if (keyCode == WXK_LEFT || keyCode == WXK_RIGHT ||
keyCode == WXK_UP || keyCode == WXK_DOWN ||
keyCode == WXK_PAGEUP || keyCode == WXK_PAGEDOWN) {
return;
}
event.Skip();
return;
}
// class MixerTrackCluster
const int kInset = 4;
const int kDoubleInset = (2 * kInset);
const int kTripleInset = (3 * kInset);
const int kQuadrupleInset = (4 * kInset);
const int TRACK_NAME_HEIGHT = 18;
const int MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH = 48;
const int MUTE_SOLO_HEIGHT = 19;
const int PAN_HEIGHT = 24;
const int kLeftSideStackWidth = MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH - kDoubleInset; //vvv Change when numbers shown on slider scale.
const int kRightSideStackWidth = MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH + kDoubleInset;
const int kMixerTrackClusterWidth = kLeftSideStackWidth + kRightSideStackWidth + kQuadrupleInset; // kDoubleInset margin on both sides
enum {
ID_BITMAPBUTTON_MUSICAL_INSTRUMENT = 13000,
ID_SLIDER_PAN,
ID_SLIDER_GAIN,
#ifdef EXPERIMENTAL_MIDI_OUT
ID_SLIDER_VELOCITY,
#endif
ID_TOGGLEBUTTON_MUTE,
ID_TOGGLEBUTTON_SOLO,
};
BEGIN_EVENT_TABLE(MixerTrackCluster, wxPanelWrapper)
EVT_MOUSE_EVENTS(MixerTrackCluster::OnMouseEvent)
EVT_PAINT(MixerTrackCluster::OnPaint)
EVT_BUTTON(ID_BITMAPBUTTON_MUSICAL_INSTRUMENT, MixerTrackCluster::OnButton_MusicalInstrument)
EVT_SLIDER(ID_SLIDER_PAN, MixerTrackCluster::OnSlider_Pan)
EVT_SLIDER(ID_SLIDER_GAIN, MixerTrackCluster::OnSlider_Gain)
#ifdef EXPERIMENTAL_MIDI_OUT
EVT_SLIDER(ID_SLIDER_VELOCITY, MixerTrackCluster::OnSlider_Velocity)
#endif
//v EVT_COMMAND_SCROLL(ID_SLIDER_GAIN, MixerTrackCluster::OnSliderScroll_Gain)
EVT_COMMAND(ID_TOGGLEBUTTON_MUTE, wxEVT_COMMAND_BUTTON_CLICKED, MixerTrackCluster::OnButton_Mute)
EVT_COMMAND(ID_TOGGLEBUTTON_SOLO, wxEVT_COMMAND_BUTTON_CLICKED, MixerTrackCluster::OnButton_Solo)
END_EVENT_TABLE()
MixerTrackCluster::MixerTrackCluster(wxWindow* parent,
MixerBoard* grandParent, AudacityProject* project,
const std::shared_ptr<PlayableTrack> &pTrack,
const wxPoint& pos /*= wxDefaultPosition*/,
const wxSize& size /*= wxDefaultSize*/)
: wxPanelWrapper(parent, -1, pos, size)
, mTrack{ pTrack }
{
mMixerBoard = grandParent;
mProject = project;
wxASSERT( pTrack );
SetName( Verbatim( mTrack->GetName() ) );
//this->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
this->SetBackgroundColour( theTheme.Colour( clrMedium ) );
// Not sure why, but sizers weren't getting offset vertically,
// probably because not using wxDefaultPosition,
// so positions are calculated explicitly below, and sizers code was removed.
// (Still available in Audacity_UmixIt branch off 1.2.6.)
// track name
wxPoint ctrlPos(kDoubleInset, kDoubleInset);
wxSize ctrlSize(size.GetWidth() - kQuadrupleInset, TRACK_NAME_HEIGHT);
mStaticText_TrackName =
safenew auStaticText(this, mTrack->GetName());
//v Useful when different tracks are different colors, but not now.
// mStaticText_TrackName->SetBackgroundColour(this->GetTrackColor());
mStaticText_TrackName->SetForegroundColour(theTheme.Colour(clrMedium));
mStaticText_TrackName->SetForegroundColour(theTheme.Colour(clrTrackPanelText));
mStaticText_TrackName->SetSize( ctrlSize );
mStaticText_TrackName->SetPosition( ctrlPos );
// gain and velocity sliders at left (both in same place)
ctrlPos.x = kDoubleInset;
ctrlPos.y += TRACK_NAME_HEIGHT + kDoubleInset;
const int nGainSliderHeight =
size.GetHeight() - ctrlPos.y - kQuadrupleInset;
ctrlSize.Set(kLeftSideStackWidth - kQuadrupleInset, nGainSliderHeight);
mSlider_Gain =
safenew MixerTrackSlider(
this, ID_SLIDER_GAIN,
/* i18n-hint: title of the Gain slider, used to adjust the volume */
XO("Gain"),
ctrlPos, ctrlSize,
ASlider::Options{}
.Style( DB_SLIDER )
.Orientation( wxVERTICAL ));
mSlider_Gain->SetName(_("Gain"));
#ifdef EXPERIMENTAL_MIDI_OUT
mSlider_Velocity =
safenew MixerTrackSlider(
this, ID_SLIDER_VELOCITY,
/* i18n-hint: title of the MIDI Velocity slider */
XO("Velocity"),
ctrlPos, ctrlSize,
ASlider::Options{}
.Style( VEL_SLIDER )
.Orientation( wxVERTICAL ));
mSlider_Velocity->SetName(_("Velocity"));
#endif
// other controls and meter at right
// musical instrument image
ctrlPos.x += kLeftSideStackWidth + kInset; // + kInset to center it in right side stack
ctrlSize.Set(MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH, MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH);
wxBitmap* bitmap = mMixerBoard->GetMusicalInstrumentBitmap(mTrack.get());
wxASSERT(bitmap);
mBitmapButton_MusicalInstrument =
safenew wxBitmapButton(this, ID_BITMAPBUTTON_MUSICAL_INSTRUMENT, *bitmap,
ctrlPos, ctrlSize,
wxBU_AUTODRAW, wxDefaultValidator,
_("Musical Instrument"));
mBitmapButton_MusicalInstrument->SetName(_("Musical Instrument"));
// pan slider
ctrlPos.x -= kInset; // Remove inset for instrument, so Pan is at leftmost of left side stack.
ctrlPos.y += MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH + kDoubleInset;
ctrlSize.Set(kRightSideStackWidth, PAN_HEIGHT);
// The width of the pan slider must be odd (don't ask).
if (!(ctrlSize.x & 1))
ctrlSize.x--;
mSlider_Pan =
safenew MixerTrackSlider(
this, ID_SLIDER_PAN,
/* i18n-hint: Title of the Pan slider, used to move the sound left or right */
XO("Pan"),
ctrlPos, ctrlSize,
ASlider::Options{}.Style( PAN_SLIDER ));
mSlider_Pan->SetName(_("Pan"));
// mute/solo buttons stacked below Pan slider
ctrlPos.y += PAN_HEIGHT + kDoubleInset;
ctrlSize.Set(mMixerBoard->mMuteSoloWidth, MUTE_SOLO_HEIGHT);
mToggleButton_Mute =
safenew AButton(this, ID_TOGGLEBUTTON_MUTE,
ctrlPos, ctrlSize,
*(mMixerBoard->mImageMuteUp), *(mMixerBoard->mImageMuteOver),
*(mMixerBoard->mImageMuteDown), *(mMixerBoard->mImageMuteDown),
*(mMixerBoard->mImageMuteDisabled),
true); // toggle button
mToggleButton_Mute->SetName(_("Mute"));
mToggleButton_Mute->SetAlternateImages(
1,
*(mMixerBoard->mImageMuteUp), *(mMixerBoard->mImageMuteOver),
*(mMixerBoard->mImageMuteDown), *(mMixerBoard->mImageMuteDown),
*(mMixerBoard->mImageMuteDisabled));
ctrlPos.y += MUTE_SOLO_HEIGHT;
mToggleButton_Solo =
safenew AButton(this, ID_TOGGLEBUTTON_SOLO,
ctrlPos, ctrlSize,
*(mMixerBoard->mImageSoloUp), *(mMixerBoard->mImageSoloOver),
*(mMixerBoard->mImageSoloDown), *(mMixerBoard->mImageSoloDown),
*(mMixerBoard->mImageSoloDisabled),
true); // toggle button
mToggleButton_Solo->SetName(_("Solo"));
bool bSoloNone = ProjectSettings::Get( *mProject ).IsSoloNone();
mToggleButton_Solo->Show(!bSoloNone);
// meter
ctrlPos.y += (bSoloNone ? 0 : MUTE_SOLO_HEIGHT) + kDoubleInset;
const int nMeterHeight =
nGainSliderHeight -
(MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH + kDoubleInset) -
(PAN_HEIGHT + kDoubleInset) -
(MUTE_SOLO_HEIGHT + (bSoloNone ? 0 : MUTE_SOLO_HEIGHT) + kDoubleInset);
ctrlSize.Set(kRightSideStackWidth, nMeterHeight);
mMeter.Release();
if (GetWave()) {
mMeter =
safenew MeterPanel(mProject, // AudacityProject* project,
this, -1, // wxWindow* parent, wxWindowID id,
false, // bool isInput
ctrlPos, ctrlSize, // const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
MeterPanel::MixerTrackCluster); // Style style = HorizontalStereo,
mMeter->SetName(XO("Signal Level Meter"));
}
#if wxUSE_TOOLTIPS
mStaticText_TrackName->SetToolTip(mTrack->GetName());
mToggleButton_Mute->SetToolTip(XO("Mute"));
mToggleButton_Solo->SetToolTip(XO("Solo"));
if (GetWave())
mMeter->SetToolTip(XO("Signal Level Meter"));
#endif // wxUSE_TOOLTIPS
UpdateForStateChange();
#ifdef __WXMAC__
wxSizeEvent event(GetSize(), GetId());
event.SetEventObject(this);
GetEventHandler()->ProcessEvent(event);
#endif
}
WaveTrack *MixerTrackCluster::GetWave() const
{
return dynamic_cast< WaveTrack * >( mTrack.get() );
}
WaveTrack *MixerTrackCluster::GetRight() const
{
// TODO: more-than-two-channels
auto left = GetWave();
if (left) {
auto channels = TrackList::Channels(left);
if ( channels.size() > 1 )
return * ++ channels.first;
}
return nullptr;
}
#ifdef EXPERIMENTAL_MIDI_OUT
NoteTrack *MixerTrackCluster::GetNote() const
{
return dynamic_cast< NoteTrack * >( mTrack.get() );
}
#endif
// Old approach modified things in situ.
// However with a theme change there is so much to modify, it is easier
// to recreate.
#if 0
void MixerTrackCluster::UpdatePrefs()
{
this->SetBackgroundColour( theTheme.Colour( clrMedium ) );
mStaticText_TrackName->SetForegroundColour(theTheme.Colour(clrTrackPanelText));
HandleResize(); // in case TracksBehaviorsSolo changed
}
#endif
void MixerTrackCluster::HandleResize() // For wxSizeEvents, update gain slider and meter.
{
wxSize scrolledWindowClientSize = this->GetParent()->GetClientSize();
const int newClusterHeight =
scrolledWindowClientSize.GetHeight() - kDoubleInset - // nClusterHeight from MixerBoard::UpdateTrackClusters
wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y) + // wxScrolledWindow::GetClientSize doesn't account for its scrollbar size.
kDoubleInset;
this->SetSize(-1, newClusterHeight);
// Change only the heights of mSlider_Gain and mMeter.
// But update shown status of mToggleButton_Solo, which affects top of mMeter.
const int nGainSliderHeight =
newClusterHeight -
(kInset + // margin above mStaticText_TrackName
TRACK_NAME_HEIGHT + kDoubleInset) - // mStaticText_TrackName + margin
kQuadrupleInset; // margin below gain slider
mSlider_Gain->SetSize(-1, nGainSliderHeight);
#ifdef EXPERIMENTAL_MIDI_OUT
mSlider_Velocity->SetSize(-1, nGainSliderHeight);
#endif
bool bSoloNone = ProjectSettings::Get( *mProject ).IsSoloNone();
mToggleButton_Solo->Show(!bSoloNone);
const int nRequiredHeightAboveMeter =
MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH + kDoubleInset +
PAN_HEIGHT + kDoubleInset +
MUTE_SOLO_HEIGHT + (bSoloNone ? 0 : MUTE_SOLO_HEIGHT) + kDoubleInset;
const int nMeterY =
kDoubleInset + // margin at top
TRACK_NAME_HEIGHT + kDoubleInset +
nRequiredHeightAboveMeter;
const int nMeterHeight = nGainSliderHeight - nRequiredHeightAboveMeter;
if (mMeter)
mMeter->SetSize(-1, nMeterY, -1, nMeterHeight);
}
void MixerTrackCluster::HandleSliderGain(const bool bWantPushState /*= false*/)
{
float fValue = mSlider_Gain->Get();
if (GetWave())
GetWave()->SetGain(fValue);
if (GetRight())
GetRight()->SetGain(fValue);
// Update the TrackPanel correspondingly.
TrackPanel::Get( *mProject ).RefreshTrack(mTrack.get());
if (bWantPushState)
ProjectHistory::Get( *mProject )
.PushState(XO("Moved gain slider"), XO("Gain"), UndoPush::CONSOLIDATE );
}
#ifdef EXPERIMENTAL_MIDI_OUT
void MixerTrackCluster::HandleSliderVelocity(const bool bWantPushState /*= false*/)
{
float fValue = mSlider_Velocity->Get();
if (GetNote())
GetNote()->SetVelocity(fValue);
// Update the TrackPanel correspondingly.
TrackPanel::Get( *mProject ).RefreshTrack(mTrack.get());
if (bWantPushState)
ProjectHistory::Get( *mProject )
.PushState(XO("Moved velocity slider"), XO("Velocity"),
UndoPush::CONSOLIDATE);
}
#endif
void MixerTrackCluster::HandleSliderPan(const bool bWantPushState /*= false*/)
{
float fValue = mSlider_Pan->Get();
if (GetWave()) // test in case track is a NoteTrack
GetWave()->SetPan(fValue);
if (GetRight())
GetRight()->SetPan(fValue);
// Update the TrackPanel correspondingly.
TrackPanel::Get( *mProject ).RefreshTrack(mTrack.get());
if (bWantPushState)
ProjectHistory::Get( *mProject )
.PushState(XO("Moved pan slider"), XO("Pan"),
UndoPush::CONSOLIDATE );
}
void MixerTrackCluster::ResetMeter(const bool bResetClipping)
{
if (mMeter)
mMeter->Reset(GetWave()->GetRate(), bResetClipping);
}
// Update appearance to match the state of the track
void MixerTrackCluster::UpdateForStateChange()
{
const wxString newName = mTrack->GetName();
if (newName != GetName()) {
SetName( Verbatim( newName ) );
mStaticText_TrackName->SetLabel(newName);
mStaticText_TrackName->SetName(newName);
#if wxUSE_TOOLTIPS
mStaticText_TrackName->SetToolTip(newName);
#endif
mBitmapButton_MusicalInstrument->SetBitmapLabel(
*(mMixerBoard->GetMusicalInstrumentBitmap(mTrack.get())));
}
mToggleButton_Mute->SetAlternateIdx(mTrack->GetSolo() ? 1 : 0);
if (mTrack->GetMute())
mToggleButton_Mute->PushDown();
else
mToggleButton_Mute->PopUp();
bool bIsSolo = mTrack->GetSolo();
if (bIsSolo)
mToggleButton_Solo->PushDown();
else
mToggleButton_Solo->PopUp();
mToggleButton_Mute->SetAlternateIdx(bIsSolo ? 1 : 0);
if (!GetWave())
mSlider_Pan->Hide();
else
mSlider_Pan->Set(GetWave()->GetPan());
if (!GetWave())
mSlider_Gain->Hide();
else
mSlider_Gain->Set(GetWave()->GetGain());
#ifdef EXPERIMENTAL_MIDI_OUT
if (!GetNote())
mSlider_Velocity->Hide();
else
mSlider_Velocity->Set(GetNote()->GetVelocity());
#endif
}
void MixerTrackCluster::UpdateMeter(const double t0, const double t1)
{
// NoteTracks do not (currently) register on meters. It would probably be
// a good idea to display 16 channel "active" lights rather than a meter
if (!GetWave())
return;
if ((t0 < 0.0) || (t1 < 0.0) || (t0 >= t1) || // bad time value or nothing to show
((mMixerBoard->HasSolo() || mTrack->GetMute()) && !mTrack->GetSolo())
)
{
//v Vaughan, 2011-02-25: Moved the update back to TrackPanel::OnTimer() as it helps with
// playback issues reported by Bill and noted on Bug 258, so no assert.
// Vaughan, 2011-02-04: Now that we're updating all meters from audacityAudioCallback,
// this causes an assert if you click Mute while playing, because ResetMeter() resets
// the timer, and wxTimerbase says that can only be done from main thread --
// but it seems to work fine.
this->ResetMeter(false);
return;
}
// Vaughan, 2010-11-27:
// This commented out code is flawed. Mistaken understanding of "frame" vs "window".
// Caused me to override MeterPanel::UpdateDisplay().
// But I think it's got a good idea, of calling WaveTracks' GetMinMax and GetRMS
// instead of passing in all the data and asking the meter to derive peak and rms.
// May be worth revisiting as I think it should perform better, because it uses the min/max/rms
// stored in sample blocks, rather than calculating them, but for now, changing it to use the
// original MeterPanel::UpdateDisplay(). New code is below the previous (now commented out).
//
//const size_t kFramesPerBuffer = 4;
//float min; // dummy, since it's not shown in meters
//Floats maxLeft{kFramesPerBuffer};
//Floats rmsLeft{kFramesPerBuffer};
//Floats maxRight{kFramesPerBuffer};
//Floats rmsRight{kFramesPerBuffer};
//
//#ifdef EXPERIMENTAL_MIDI_OUT
// bool bSuccess = (GetWave() != nullptr);
//#else
// bool bSuccess = true;
//#endif
//const double dFrameInterval = (t1 - t0) / (double)kFramesPerBuffer;
//double dFrameT0 = t0;
//double dFrameT1 = t0 + dFrameInterval;
//int i = 0;
//while (bSuccess && (i < kFramesPerBuffer))
//{
// bSuccess &=
// mTrack->GetMinMax(&min, &(maxLeft[i]), dFrameT0, dFrameT1) &&
// mTrack->GetRMS(&(rmsLeft[i]), dFrameT0, dFrameT1);
// if (bSuccess && mRightTrack)
// bSuccess &=
// mRightTrack->GetMinMax(&min, &(maxRight[i]), dFrameT0, dFrameT1) &&
// mRightTrack->GetRMS(&(rmsRight[i]), dFrameT0, dFrameT1);
// else
// {
// // Mono: Start with raw values same as left.
// // To be modified by bWantPostFadeValues and channel pan/gain.
// maxRight[i] = maxLeft[i];
// rmsRight[i] = rmsLeft[i];
// }
// dFrameT0 += dFrameInterval;
// dFrameT1 += dFrameInterval;
// i++;
//}
//
//const bool bWantPostFadeValues = true; //v Turn this into a checkbox on MixerBoard? For now, always true.
//if (bSuccess && bWantPostFadeValues)
//if (bSuccess)
//{
// for (i = 0; i < kFramesPerBuffer; i++)
// {
// float gain = mTrack->GetChannelGain(0);
// maxLeft[i] *= gain;
// rmsLeft[i] *= gain;
// if (mRightTrack)
// gain = mRightTrack->GetChannelGain(1);
// maxRight[i] *= gain;
// rmsRight[i] *= gain;
// }
// if ( mMeter ) mMeter->UpdateDisplay(
// 2, // If mono, show left track values in both meters, as in MeterToolBar, rather than nChannels.
// kFramesPerBuffer,
// maxLeft, rmsLeft,
// maxRight, rmsRight,
// mTrack->TimeToLongSamples(t1 - t0));
//}
//
const auto pTrack = GetWave();
auto startSample = (sampleCount)((pTrack->GetRate() * t0) + 0.5);
auto scnFrames = (sampleCount)((pTrack->GetRate() * (t1 - t0)) + 0.5);
// Expect that the difference of t1 and t0 is the part of a track played
// in about 1/20 second (ticks of TrackPanel timer), so this won't overflow
auto nFrames = scnFrames.as_size_t();
Floats tempFloatsArray{ nFrames };
decltype(tempFloatsArray) meterFloatsArray;
// Don't throw on read error in this drawing update routine
bool bSuccess = pTrack->GetFloats(tempFloatsArray.get(),
startSample, nFrames, fillZero, false);
if (bSuccess)
{
// We always pass a stereo sample array to the meter, as it shows 2 channels.
// Mono shows same in both meters.
// Since we're not mixing, need to duplicate same signal for "right" channel in mono case.
meterFloatsArray = Floats{ 2 * nFrames };
// Interleave for stereo. Left/mono first.
for (unsigned int index = 0; index < nFrames; index++)
meterFloatsArray[2 * index] = tempFloatsArray[index];
if (GetRight())
// Again, don't throw
bSuccess = GetRight()->GetFloats(tempFloatsArray.get(),
startSample, nFrames, fillZero, false);
if (bSuccess)
// Interleave right channel, or duplicate same signal for "right" channel in mono case.
for (unsigned int index = 0; index < nFrames; index++)
meterFloatsArray[(2 * index) + 1] = tempFloatsArray[index];
}
//const bool bWantPostFadeValues = true; //v Turn this into a checkbox on MixerBoard? For now, always true.
//if (bSuccess && bWantPostFadeValues)
if (bSuccess)
{
//vvv Need to apply envelope, too? See Mixer::MixSameRate.
float gain = pTrack->GetChannelGain(0);
for (unsigned int index = 0; index < nFrames; index++)
meterFloatsArray[2 * index] *= gain;
if (GetRight())
gain = GetRight()->GetChannelGain(1);
else
gain = pTrack->GetChannelGain(1);
for (unsigned int index = 0; index < nFrames; index++)
meterFloatsArray[(2 * index) + 1] *= gain;
// Clip to [-1.0, 1.0] range.
for (unsigned int index = 0; index < 2 * nFrames; index++)
if (meterFloatsArray[index] < -1.0)
meterFloatsArray[index] = -1.0;
else if (meterFloatsArray[index] > 1.0)
meterFloatsArray[index] = 1.0;
if (mMeter)
mMeter->UpdateDisplay(2, nFrames, meterFloatsArray.get());
}
else
this->ResetMeter(false);
}
// private
wxColour MixerTrackCluster::GetTrackColor()
{
return wxColour(102, 255, 102); // same as Meter playback color
}
// event handlers
void MixerTrackCluster::HandleSelect(bool bShiftDown, bool bControlDown)
{
SelectUtilities::DoListSelection(*mProject,
mTrack.get(), bShiftDown, bControlDown, true);
}
void MixerTrackCluster::OnMouseEvent(wxMouseEvent& event)
{
if (event.ButtonUp())
this->HandleSelect(event.ShiftDown(), event.ControlDown());
else
event.Skip();
}
void MixerTrackCluster::OnPaint(wxPaintEvent & WXUNUSED(event))
{
UpdateForStateChange();
auto selected = mTrack->GetSelected();
wxColour col = theTheme.Colour(selected ? clrTrackInfoSelected : clrTrackInfo) ;
SetBackgroundColour( col );
if (mMeter)
mMeter->SetBackgroundColour( col );
mStaticText_TrackName->SetBackgroundColour( col );
mSlider_Gain->SetBackgroundColour( col );
mSlider_Pan->SetBackgroundColour( col );
wxPaintDC dc(this);
AColor::MediumTrackInfo(&dc, selected);
dc.DrawRectangle(this->GetClientRect());
wxSize clusterSize = this->GetSize();
wxRect bev(0, 0, clusterSize.GetWidth() - 1, clusterSize.GetHeight() - 1);
//bev.Inflate(-1, -1);
AColor::Bevel(dc, true, bev);// same bevel whether selected or not.
}
void MixerTrackCluster::OnButton_MusicalInstrument(wxCommandEvent& WXUNUSED(event))
{
const auto &state = ::wxGetMouseState();
this->HandleSelect(state.ShiftDown(), state.ControlDown());
}
void MixerTrackCluster::OnSlider_Gain(wxCommandEvent& WXUNUSED(event))
{
this->HandleSliderGain();
}
#ifdef EXPERIMENTAL_MIDI_OUT
void MixerTrackCluster::OnSlider_Velocity(wxCommandEvent& WXUNUSED(event))
{
this->HandleSliderVelocity();
}
#endif
//v void MixerTrackCluster::OnSliderScroll_Gain(wxScrollEvent& WXUNUSED(event))
//{
//int sliderValue = (int)(mSlider_Gain->Get()); //v mSlider_Gain->GetValue();
//#ifdef __WXMSW__
// // Negate because wxSlider on Windows has min at top, max at bottom.
// // mSlider_Gain->GetValue() is in [-6,36]. wxSlider has min at top, so this is [-36dB,6dB].
// sliderValue = -sliderValue;
//#endif
//wxString str = _("Gain: ");
//if (sliderValue > 0)
// str += "+";
//str += wxString::Format("%d dB", sliderValue);
//mSlider_Gain->SetToolTip(str);
//}
void MixerTrackCluster::OnSlider_Pan(wxCommandEvent& WXUNUSED(event))
{
this->HandleSliderPan();
}
void MixerTrackCluster::OnButton_Mute(wxCommandEvent& WXUNUSED(event))
{
TrackUtilities::DoTrackMute(
*mProject, mTrack.get(), mToggleButton_Mute->WasShiftDown());
mToggleButton_Mute->SetAlternateIdx(mTrack->GetSolo() ? 1 : 0);
// Update the TrackPanel correspondingly.
if (ProjectSettings::Get(*mProject).IsSoloSimple())
ProjectWindow::Get( *mProject ).RedrawProject();
else
// Update only the changed track.
TrackPanel::Get( *mProject ).RefreshTrack(mTrack.get());
}
void MixerTrackCluster::OnButton_Solo(wxCommandEvent& WXUNUSED(event))
{
TrackUtilities::DoTrackSolo(
*mProject, mTrack.get(), mToggleButton_Solo->WasShiftDown());
bool bIsSolo = mTrack->GetSolo();
mToggleButton_Mute->SetAlternateIdx(bIsSolo ? 1 : 0);
// Update the TrackPanel correspondingly.
// Bug 509: Must repaint all, as many tracks can change with one Solo change.
ProjectWindow::Get( *mProject ).RedrawProject();
}
// class MusicalInstrument
MusicalInstrument::MusicalInstrument(std::unique_ptr<wxBitmap> &&pBitmap, const wxString & strXPMfilename)
{
mBitmap = std::move(pBitmap);
int nUnderscoreIndex;
wxString strFilename = strXPMfilename;
strFilename.MakeLower(); // Make sure, so we don't have to do case insensitive comparison.
wxString strKeyword;
while ((nUnderscoreIndex = strFilename.Find(wxT('_'))) != -1)
{
strKeyword = strFilename.Left(nUnderscoreIndex);
mKeywords.push_back(strKeyword);
strFilename = strFilename.Mid(nUnderscoreIndex + 1);
}
if (!strFilename.empty()) // Skip trailing underscores.
mKeywords.push_back(strFilename); // Add the last one.
}
MusicalInstrument::~MusicalInstrument()
{
mKeywords.clear();
}
// class MixerBoardScrolledWindow
// wxScrolledWindow ignores mouse clicks in client area,
// but they don't get passed to Mixerboard.
// We need to catch them to deselect all track clusters.
BEGIN_EVENT_TABLE(MixerBoardScrolledWindow, wxScrolledWindow)
EVT_MOUSE_EVENTS(MixerBoardScrolledWindow::OnMouseEvent)
END_EVENT_TABLE()
MixerBoardScrolledWindow::MixerBoardScrolledWindow(AudacityProject* project,
MixerBoard* parent, wxWindowID id /*= -1*/,
const wxPoint& pos /*= wxDefaultPosition*/,
const wxSize& size /*= wxDefaultSize*/,
long style /*= wxHSCROLL | wxVSCROLL*/)
: wxScrolledWindow(parent, id, pos, size, style)
{
mMixerBoard = parent;
mProject = project;
}
MixerBoardScrolledWindow::~MixerBoardScrolledWindow()
{
}
void MixerBoardScrolledWindow::OnMouseEvent(wxMouseEvent& event)
{
if (event.ButtonUp())
{
//v Even when I implement MixerBoard::OnMouseEvent and call event.Skip()
// here, MixerBoard::OnMouseEvent never gets called.
// So, added mProject to MixerBoardScrolledWindow and just directly do what's needed here.
SelectUtilities::SelectNone( *mProject );
}
else
event.Skip();
}
// class MixerBoard
#define MIXER_BOARD_MIN_HEIGHT 460
// Min width is one cluster wide, plus margins.
#define MIXER_BOARD_MIN_WIDTH kTripleInset + kMixerTrackClusterWidth*2 + kTripleInset
BEGIN_EVENT_TABLE(MixerBoard, wxWindow)
EVT_PAINT(MixerBoard::OnPaint)
EVT_SIZE(MixerBoard::OnSize)
END_EVENT_TABLE()
MixerBoard::MixerBoard(AudacityProject* pProject,
wxFrame* parent,
const wxPoint& pos /*= wxDefaultPosition*/,
const wxSize& size /*= wxDefaultSize*/)
: wxWindow(parent, -1, pos, size)
{
// public data members
// mute & solo button images
// Create once and store on MixerBoard for use in all MixerTrackClusters.
mImageMuteUp = NULL;
mImageMuteOver = NULL;
mImageMuteDown = NULL;
mImageMuteDownWhileSolo = NULL;
mImageMuteDisabled = NULL;
mImageSoloUp = NULL;
mImageSoloOver = NULL;
mImageSoloDown = NULL;
mImageSoloDisabled = NULL;
mMuteSoloWidth = kRightSideStackWidth - kInset; // correct for max width, but really set in MixerBoard::CreateMuteSoloImages
// private data members
this->LoadMusicalInstruments(); // Set up mMusicalInstruments.
mProject = pProject;
wxASSERT(pProject); // to justify safenew
mScrolledWindow =
safenew MixerBoardScrolledWindow(
pProject, // AudacityProject* project,
this, -1, // wxWindow* parent, wxWindowID id = -1,
this->GetClientAreaOrigin(), // const wxPoint& pos = wxDefaultPosition,
size, // const wxSize& size = wxDefaultSize,
wxHSCROLL); // long style = wxHSCROLL | wxVSCROLL, const wxString& name = "scrolledWindow")
// Set background color to same as TrackPanel background.
// #ifdef EXPERIMENTAL_THEMING
// mScrolledWindow->SetBackgroundColour(this->GetParent()->GetBackgroundColour());
// #else
// mScrolledWindow->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW));
// #endif
mScrolledWindow->SetBackgroundColour( theTheme.Colour( clrMedium ) );
RTL_WORKAROUND(mScrolledWindow);
mScrolledWindow->SetScrollRate(10, 0); // no vertical scroll
mScrolledWindow->SetVirtualSize(size);
/* This doesn't work to make the mScrolledWindow automatically resize, so do it explicitly in OnSize.
auto pBoxSizer = std::make_unique<wxBoxSizer>(wxVERTICAL);
pBoxSizer->push_back(mScrolledWindow, 0, wxExpand, 0);
this->SetAutoLayout(true);
this->SetSizer(pBoxSizer);
pBoxSizer->Fit(this);
pBoxSizer->SetSizeHints(this);
*/
mPrevT1 = 0.0;
mTracks = &TrackList::Get( *mProject );
// Events from the project don't propagate directly to this other frame, so...
mProject->Bind(EVT_TRACK_PANEL_TIMER,
&MixerBoard::OnTimer,
this);
mTracks->Bind(EVT_TRACKLIST_SELECTION_CHANGE,
&MixerBoard::OnTrackChanged,
this);
mTracks->Bind(EVT_TRACKLIST_PERMUTED,
&MixerBoard::OnTrackSetChanged,
this);
mTracks->Bind(EVT_TRACKLIST_ADDITION,
&MixerBoard::OnTrackSetChanged,
this);
mTracks->Bind(EVT_TRACKLIST_DELETION,
&MixerBoard::OnTrackSetChanged,
this);
mTracks->Bind(EVT_TRACKLIST_TRACK_DATA_CHANGE,
&MixerBoard::OnTrackChanged,
this);
wxTheApp->Connect(EVT_AUDIOIO_PLAYBACK,
wxCommandEventHandler(MixerBoard::OnStartStop),
NULL,
this);
}
void MixerBoard::UpdatePrefs()
{
// Destroys this:
static_cast<MixerBoardFrame*>(GetParent())->Recreate( mProject );
// Old approach modified things in situ.
// However with a theme change there is so much to modify, it is easier
// to recreate.
#if 0
mScrolledWindow->SetBackgroundColour( theTheme.Colour( clrMedium ) );
if( mImageMuteUp ){
mImageMuteUp.reset();
mImageMuteOver.reset();
mImageMuteDown.reset();
mImageMuteDownWhileSolo.reset();
mImageMuteDisabled.reset();
mImageSoloUp.reset();
mImageSoloOver.reset();
mImageSoloDown.reset();
mImageSoloDisabled.reset();
}
for (unsigned int nClusterIndex = 0; nClusterIndex < mMixerTrackClusters.size(); nClusterIndex++)
mMixerTrackClusters[nClusterIndex]->UpdatePrefs();
Refresh();
#endif
}
// Reassign mixer input strips (MixerTrackClusters) to Track Clusters
// both have the same order.
// If EXPERIMENTAL_MIDI_OUT, then Note Tracks appear in the
// mixer, and we must be able to convert and reuse a MixerTrackCluster
// from audio to midi or midi to audio. This task is handled by
// UpdateForStateChange().
//
void MixerBoard::UpdateTrackClusters()
{
if (!mImageMuteUp)
this->CreateMuteSoloImages();
const int nClusterHeight = mScrolledWindow->GetClientSize().GetHeight() - kDoubleInset;
size_t nClusterCount = mMixerTrackClusters.size();
unsigned int nClusterIndex = 0;
MixerTrackCluster* pMixerTrackCluster = NULL;
for (auto pPlayableTrack: mTracks->Leaders<PlayableTrack>()) {
// TODO: more-than-two-channels
auto spTrack = pPlayableTrack->SharedPointer<PlayableTrack>();
if (nClusterIndex < nClusterCount)
{
// Already showing it.
// Track clusters are maintained in the same order as the WaveTracks.
// Track pointers can change for the "same" track for different states
// on the undo stack, so update the pointers and display name.
mMixerTrackClusters[nClusterIndex]->mTrack = spTrack;
// Assume linked track is wave or null
mMixerTrackClusters[nClusterIndex]->UpdateForStateChange();
}
else
{
// Not already showing it. Add a NEW MixerTrackCluster.
wxPoint clusterPos(
kInset + nClusterIndex * kMixerTrackClusterWidth,
kInset);
wxSize clusterSize(kMixerTrackClusterWidth, nClusterHeight);
pMixerTrackCluster =
safenew MixerTrackCluster(mScrolledWindow, this, mProject,
spTrack,
clusterPos, clusterSize);
if (pMixerTrackCluster)
mMixerTrackClusters.push_back(pMixerTrackCluster);
}
nClusterIndex++;
}
if (pMixerTrackCluster)
{
// Added at least one MixerTrackCluster.
this->UpdateWidth();
this->ResizeTrackClusters();
}
else while (nClusterIndex < nClusterCount)
{
// We've got too many clusters.
// This can happen only on things like Undo New Audio Track or Undo Import
// that don't call RemoveTrackCluster explicitly.
// We've already updated the track pointers for the clusters to the left, so just remove all the rest.
// Successively DELETE from right to left.
RemoveTrackCluster(--nClusterCount);
}
}
int MixerBoard::GetTrackClustersWidth()
{
return
kInset + // extra margin at left for first one
(mMixerTrackClusters.size() * // number of tracks times
(kInset + kMixerTrackClusterWidth)) + // left margin and width for each
kDoubleInset; // plus final right margin
}
void MixerBoard::RemoveTrackCluster(size_t nIndex)
{
auto pMixerTrackCluster = mMixerTrackClusters[nIndex];
mMixerTrackClusters.erase(mMixerTrackClusters.begin() + nIndex);
pMixerTrackCluster->Destroy(); // DELETE is unsafe on wxWindow.
// Close the gap, if any.
wxPoint pos;
int targetX;
for (unsigned int i = nIndex; i < mMixerTrackClusters.size(); i++)
{
pos = mMixerTrackClusters[i]->GetPosition();
targetX =
kInset + // extra inset to left for first one, so it's double
(i * (kInset + kMixerTrackClusterWidth)) + // left margin and width for each
kInset; // plus left margin for this cluster
if (pos.x != targetX)
mMixerTrackClusters[i]->Move(targetX, pos.y);
}
this->UpdateWidth();
}
wxBitmap* MixerBoard::GetMusicalInstrumentBitmap(const Track* pTrack)
{
if (mMusicalInstruments.empty())
return NULL;
// random choice: return mMusicalInstruments[(int)pTrack % mMusicalInstruments.size()].mBitmap;
const wxString strTrackName(pTrack->GetName().MakeLower());
size_t nBestItemIndex = 0;
unsigned int nBestScore = 0;
unsigned int nInstrIndex = 0;
unsigned int nKeywordIndex;
unsigned int nNumKeywords;
unsigned int nPointsPerMatch;
unsigned int nScore;
for (nInstrIndex = 0; nInstrIndex < mMusicalInstruments.size(); nInstrIndex++)
{
nScore = 0;
nNumKeywords = mMusicalInstruments[nInstrIndex]->mKeywords.size();
if (nNumKeywords > 0)
{
nPointsPerMatch = 10 / nNumKeywords;
for (nKeywordIndex = 0; nKeywordIndex < nNumKeywords; nKeywordIndex++)
if (strTrackName.Contains(mMusicalInstruments[nInstrIndex]->mKeywords[nKeywordIndex]))
{
nScore +=
nPointsPerMatch +
// Longer keywords get more points.
(2 * mMusicalInstruments[nInstrIndex]->mKeywords[nKeywordIndex].length());
}
}
// Choose later one if just matching nBestScore, for better variety,
// and so default works as last element.
if (nScore >= nBestScore)
{
nBestScore = nScore;
nBestItemIndex = nInstrIndex;
}
}
return mMusicalInstruments[nBestItemIndex]->mBitmap.get();
}
bool MixerBoard::HasSolo()
{
return !(( mTracks->Any<PlayableTrack>() + &PlayableTrack::GetSolo ).empty());
}
void MixerBoard::RefreshTrackClusters(bool bEraseBackground /*= true*/)
{
for (unsigned int i = 0; i < mMixerTrackClusters.size(); i++)
mMixerTrackClusters[i]->Refresh(bEraseBackground);
}
void MixerBoard::ResizeTrackClusters()
{
for (unsigned int nClusterIndex = 0; nClusterIndex < mMixerTrackClusters.size(); nClusterIndex++)
mMixerTrackClusters[nClusterIndex]->HandleResize();
}
void MixerBoard::ResetMeters(const bool bResetClipping)
{
mPrevT1 = BAD_STREAM_TIME;
if (!this->IsShown())
return;
for (unsigned int i = 0; i < mMixerTrackClusters.size(); i++)
mMixerTrackClusters[i]->ResetMeter(bResetClipping);
}
void MixerBoard::UpdateMeters(const double t1, const bool bLoopedPlay)
{
if (!this->IsShown() || (t1 == BAD_STREAM_TIME))
return;
if (mPrevT1 == BAD_STREAM_TIME)
{
mPrevT1 = t1;
return;
}
// In loopedPlay mode, at the end of the loop, mPrevT1 is set to
// selection end, so the next t1 will be less, but we do want to
// keep updating the meters.
if (t1 <= mPrevT1)
{
if (bLoopedPlay)
mPrevT1 = t1;
return;
}
for (unsigned int i = 0; i < mMixerTrackClusters.size(); i++)
mMixerTrackClusters[i]->UpdateMeter(mPrevT1, t1);
mPrevT1 = t1;
}
void MixerBoard::UpdateWidth()
{
int newWidth = this->GetTrackClustersWidth();
// Min width is one cluster wide, plus margins.
if (newWidth < MIXER_BOARD_MIN_WIDTH)
newWidth = MIXER_BOARD_MIN_WIDTH;
mScrolledWindow->SetVirtualSize(newWidth, -1);
this->GetParent()->SetSize(newWidth + kDoubleInset, -1);
}
//
// private methods
//
void MixerBoard::MakeButtonBitmap( wxMemoryDC & dc, wxBitmap & WXUNUSED(bitmap), wxRect & bev, const TranslatableString & str, bool up )
{
const auto translation = str.Translation();
int textWidth, textHeight;
int fontSize = 10;
#ifdef __WXMSW__
fontSize = 8;
#endif
wxFont font(fontSize, wxFONTFAMILY_SWISS, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL);
GetTextExtent(translation, &textWidth, &textHeight, NULL, NULL, &font);
AColor::UseThemeColour( &dc, clrMedium );
dc.DrawRectangle(bev);
AColor::Bevel2( dc, up, bev, false );
wxCoord x = bev.x + (bev.width - textWidth) / 2;
wxCoord y = bev.y + (bev.height - textHeight) / 2;
dc.SetFont(font);
dc.SetTextForeground(theTheme.Colour(clrTrackPanelText));
dc.SetBackgroundMode(wxTRANSPARENT);
dc.DrawText(translation, x, y);
// dc.DrawText(translation, 0, 0);
}
void MixerBoard::CreateMuteSoloImages()
{
// Much of this is similar to TrackInfo::MuteOrSoloDrawFunction.
wxMemoryDC dc;
auto str = XO("Mute");
//mMuteSoloWidth = textWidth + kQuadrupleInset;
//if (mMuteSoloWidth < kRightSideStackWidth - kInset)
mMuteSoloWidth = kRightSideStackWidth - kInset;
wxBitmap bitmap(mMuteSoloWidth, MUTE_SOLO_HEIGHT,24);
dc.SelectObject(bitmap);
wxRect bev(0, 0, mMuteSoloWidth, MUTE_SOLO_HEIGHT);
const bool up=true;
const bool down=false;
MakeButtonBitmap( dc, bitmap, bev, str, up );
mImageMuteUp = std::make_unique<wxImage>(bitmap.ConvertToImage());
mImageMuteOver = std::make_unique<wxImage>(bitmap.ConvertToImage()); // Same as up, for now.
MakeButtonBitmap( dc, bitmap, bev, str, down );
//AColor::Bevel(dc, false, bev);
mImageMuteDown = std::make_unique<wxImage>(bitmap.ConvertToImage());
MakeButtonBitmap( dc, bitmap, bev, str, down );
mImageMuteDownWhileSolo = std::make_unique<wxImage>(bitmap.ConvertToImage());
mImageMuteDisabled = std::make_unique<wxImage>(mMuteSoloWidth, MUTE_SOLO_HEIGHT); // Leave empty because unused.
str = XO("Solo");
MakeButtonBitmap( dc, bitmap, bev, str, up );
mImageSoloUp = std::make_unique<wxImage>(bitmap.ConvertToImage());
mImageSoloOver = std::make_unique<wxImage>(bitmap.ConvertToImage()); // Same as up, for now.
MakeButtonBitmap( dc, bitmap, bev, str, down );
mImageSoloDown = std::make_unique<wxImage>(bitmap.ConvertToImage());
mImageSoloDisabled = std::make_unique<wxImage>(mMuteSoloWidth, MUTE_SOLO_HEIGHT); // Leave empty because unused.
}
int MixerBoard::FindMixerTrackCluster(const PlayableTrack* pTrack,
MixerTrackCluster** hMixerTrackCluster) const
{
*hMixerTrackCluster = NULL;
for (unsigned int i = 0; i < mMixerTrackClusters.size(); i++)
{
if (mMixerTrackClusters[i]->mTrack.get() == pTrack)
{
*hMixerTrackCluster = mMixerTrackClusters[i];
return i;
}
}
return -1;
}
void MixerBoard::LoadMusicalInstruments()
{
const struct Data { const char * const *bitmap; wxString name; } table[] = {
{acoustic_guitar_gtr_xpm, wxT("acoustic_guitar_gtr")},
{acoustic_piano_pno_xpm, wxT("acoustic_piano_pno")},
{back_vocal_bg_vox_xpm, wxT("back_vocal_bg_vox")},
{clap_xpm, wxT("clap")},
{drums_dr_xpm, wxT("drums_dr")},
{electric_bass_guitar_bs_gtr_xpm, wxT("electric_bass_guitar_bs_gtr")},
{electric_guitar_gtr_xpm, wxT("electric_guitar_gtr")},
{electric_piano_pno_key_xpm, wxT("electric_piano_pno_key")},
{kick_xpm, wxT("kick")},
{loop_xpm, wxT("loop")},
{organ_org_xpm, wxT("organ_org")},
{perc_xpm, wxT("perc")},
{sax_xpm, wxT("sax")},
{snare_xpm, wxT("snare")},
{string_violin_cello_xpm, wxT("string_violin_cello")},
{synth_xpm, wxT("synth")},
{tambo_xpm, wxT("tambo")},
{trumpet_horn_xpm, wxT("trumpet_horn")},
{turntable_xpm, wxT("turntable")},
{vibraphone_vibes_xpm, wxT("vibraphone_vibes")},
{vocal_vox_xpm, wxT("vocal_vox")},
// This one must be last, so it wins when best score is 0.
{_default_instrument_xpm, wxEmptyString},
};
wxRect bev(1, 1, MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH - 2, MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH - 2);
wxMemoryDC dc;
for (const auto &data : table) {
auto bmp = std::make_unique<wxBitmap>(data.bitmap,24);
dc.SelectObject(*bmp);
AColor::Bevel(dc, false, bev);
mMusicalInstruments.push_back(std::make_unique<MusicalInstrument>(
std::move(bmp), data.name
));
};
}
// event handlers
void MixerBoard::OnPaint(wxPaintEvent& evt)
{
if (!mUpToDate) {
mUpToDate = true;
UpdateTrackClusters();
Refresh();
}
// Does the base class do anything for repainting?
evt.Skip();
}
void MixerBoard::OnSize(wxSizeEvent &evt)
{
// this->FitInside() doesn't work, and it doesn't happen automatically. Is wxScrolledWindow wrong?
mScrolledWindow->SetSize(evt.GetSize());
this->ResizeTrackClusters();
this->RefreshTrackClusters(true);
}
void MixerBoard::OnTimer(wxCommandEvent &event)
{
// PRL 12 Jul 2015: Moved the below (with comments) out of TrackPanel::OnTimer.
// Vaughan, 2011-01-28: No longer doing this on timer.
// Now it's in AudioIO::SetMeters() and AudioIO::StopStream(), as with Meter Toolbar meters.
//if (pMixerBoard)
// pMixerBoard->ResetMeters(false);
//v Vaughan, 2011-02-25: Moved this update back here from audacityAudioCallback.
// See note there.
// Vaughan, 2010-01-30:
// Since all we're doing here is updating the meters, I moved it to
// audacityAudioCallback where it calls gAudioIO->mOutputMeter->UpdateDisplay().
if (ProjectAudioIO::Get( *mProject ).IsAudioActive())
{
auto gAudioIO = AudioIO::Get();
UpdateMeters(
gAudioIO->GetStreamTime(),
(ProjectAudioManager::Get( *mProject ).GetLastPlayMode()
== PlayMode::loopedPlay)
);
}
// Let other listeners get the notification
event.Skip();
}
void MixerBoard::OnTrackChanged(TrackListEvent &evt)
{
evt.Skip();
auto pTrack = evt.mpTrack.lock();
auto pPlayable = dynamic_cast<PlayableTrack*>( pTrack.get() );
if ( pPlayable ) {
MixerTrackCluster *pMixerTrackCluster;
FindMixerTrackCluster( pPlayable, &pMixerTrackCluster );
if ( pMixerTrackCluster )
pMixerTrackCluster->Refresh();
}
}
void MixerBoard::OnTrackSetChanged(wxEvent &evt)
{
evt.Skip();
mUpToDate = false;
UpdateTrackClusters();
Refresh();
}
void MixerBoard::OnStartStop(wxCommandEvent &evt)
{
evt.Skip();
bool start = evt.GetInt();
ResetMeters( start );
}
// class MixerBoardFrame
BEGIN_EVENT_TABLE(MixerBoardFrame, wxFrame)
EVT_KEY_DOWN(MixerBoardFrame::OnKeyEvent)
EVT_CLOSE(MixerBoardFrame::OnCloseWindow)
EVT_MAXIMIZE(MixerBoardFrame::OnMaximize)
EVT_SIZE(MixerBoardFrame::OnSize)
END_EVENT_TABLE()
// Default to fitting one track.
const wxSize kDefaultSize =
wxSize(MIXER_BOARD_MIN_WIDTH, MIXER_BOARD_MIN_HEIGHT);
MixerBoardFrame::MixerBoardFrame(AudacityProject* parent)
: wxFrame( &GetProjectFrame( *parent ), -1, wxString{},
wxDefaultPosition, kDefaultSize,
wxDEFAULT_FRAME_STYLE | wxFRAME_FLOAT_ON_PARENT)
, mProject(parent)
{
SetWindowTitle();
auto titleChanged = [&](wxCommandEvent &evt)
{
SetWindowTitle();
evt.Skip();
};
wxTheApp->Bind( EVT_PROJECT_TITLE_CHANGE, titleChanged );
mMixerBoard = safenew MixerBoard(parent, this, wxDefaultPosition, kDefaultSize);
this->SetSizeHints(MIXER_BOARD_MIN_WIDTH, MIXER_BOARD_MIN_HEIGHT);
mMixerBoard->UpdateTrackClusters();
// loads either the XPM or the windows resource, depending on the platform
#if !defined(__WXMAC__) && !defined(__WXX11__)
{
#ifdef __WXMSW__
wxIcon ic{ wxICON(AudacityLogo) };
#else
wxIcon ic{wxICON(AudacityLogo48x48)};
#endif
SetIcon(ic);
}
#endif
Center();
}
MixerBoardFrame::~MixerBoardFrame()
{
}
// event handlers
void MixerBoardFrame::OnCloseWindow(wxCloseEvent &WXUNUSED(event))
{
// Fix for bug #2175.
//
// If the mixerboard enters fullscreen, the main project will be
// "lowered", so ensure it's visible after the mixerboard closes.
#if defined(__WXMAC__)
dynamic_cast<wxFrame*>(GetParent())->Raise();
#endif
this->Hide();
}
void MixerBoardFrame::OnMaximize(wxMaximizeEvent &event)
{
// Update the size hints to show all tracks before skipping to let default handling happen.
mMixerBoard->UpdateWidth();
event.Skip();
}
void MixerBoardFrame::OnSize(wxSizeEvent & WXUNUSED(event))
{
mMixerBoard->SetSize(this->GetClientSize());
}
void MixerBoardFrame::OnKeyEvent(wxKeyEvent & event)
{
AudacityProject *project = mMixerBoard->mProject;
auto &commandManager = CommandManager::Get( *project );
commandManager.FilterKeyEvent(project, event, true);
}
void MixerBoardFrame::Recreate( AudacityProject *pProject )
{
wxPoint pos = mMixerBoard->GetPosition();
wxSize siz = mMixerBoard->GetSize();
wxSize siz2 = this->GetSize();
//wxLogDebug("Got rid of board %p", mMixerBoard );
mMixerBoard->Destroy();
mMixerBoard = NULL;
mMixerBoard = safenew MixerBoard(pProject, this, pos, siz);
//wxLogDebug("Created NEW board %p", mMixerBoard );
mMixerBoard->UpdateTrackClusters();
mMixerBoard->SetSize( siz );
this->SetSize( siz2 );
SetWindowTitle();
}
void MixerBoardFrame::SetWindowTitle()
{
wxString name = mProject->GetProjectName();
if (!name.empty())
{
name.Prepend(wxT(" - "));
}
SetTitle(AudacityMixerBoardTitle.Format(name).Translation());
}
// Remaining code hooks this add-on into the application
#include "commands/CommandContext.h"
namespace {
// Mixer board window attached to each project is built on demand by:
AudacityProject::AttachedWindows::RegisteredFactory sMixerBoardKey{
[]( AudacityProject &parent ) -> wxWeakRef< wxWindow > {
return safenew MixerBoardFrame( &parent );
}
};
// Define our extra menu item that invokes that factory
struct Handler : CommandHandlerObject {
void OnMixerBoard(const CommandContext &context)
{
auto &project = context.project;
auto mixerBoardFrame = &project.AttachedWindows::Get( sMixerBoardKey );
mixerBoardFrame->Show();
mixerBoardFrame->Raise();
mixerBoardFrame->SetFocus();
}
};
CommandHandlerObject &findCommandHandler(AudacityProject &) {
// Handler is not stateful. Doesn't need a factory registered with
// AudacityProject.
static Handler instance;
return instance;
}
// Register that menu item
using namespace MenuTable;
AttachedItem sAttachment{ wxT("View/Windows"),
( FinderScope{ findCommandHandler },
Command( wxT("MixerBoard"), XXO("&Mixer Board..."), &Handler::OnMixerBoard,
PlayableTracksExistFlag()) )
};
}
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