ClipIndicatorPanel.cpp

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/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  ClipIndicatorPanel.cpp
 
  Matthieu Hodgkinson
 
**********************************************************************/
#include "ClipIndicatorPanel.h"
#include "AudioIO.h"
#include "DynamicRangeProcessorPanelCommon.h"
#include <wx/dcclient.h>
 
BEGIN_EVENT_TABLE(ClipIndicatorPanel, wxPanelWrapper)
EVT_PAINT(ClipIndicatorPanel::OnPaint)
END_EVENT_TABLE()
 
ClipIndicatorPanel::ClipIndicatorPanel(wxWindow* parent, int id)
    : wxPanelWrapper { parent, id }
    , mPlaybackStartStopSubscription { AudioIO::Get()->Subscribe(
         [this](const AudioIOEvent& evt) {
            if (evt.type == AudioIOEvent::PLAYBACK && evt.on)
               Reset();
         }) }
{
}
 
void ClipIndicatorPanel::SetClipped()
{
   mClipping = true;
   Refresh();
}
 
void ClipIndicatorPanel::Reset()
{
   mClipping = false;
   Refresh();
}
 
void ClipIndicatorPanel::OnPaint(wxPaintEvent& evt)
{
   using namespace DynamicRangeProcessorPanel;
 
   wxPaintDC dc { this };
   const auto color = mClipping ? *wxRED : *wxLIGHT_GREY;
   dc.SetBrush(color);
   dc.SetPen(lineColor);
   auto rect = GetPanelRect(*this);
   dc.DrawRoundedRectangle(rect, 2);
 
   // This is supposed to be a LED. Add a little shine.
   dc.SetBrush(GetColorMix(*wxWHITE, color, 0.5));
   dc.SetPen(*wxTRANSPARENT_PEN);
   dc.DrawRoundedRectangle(rect.Deflate(2), 2);
}