ClipOverflowButtonHandle.cpp

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/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  ClipOverflowButtonHandle.cpp
 
  Matthieu Hodgkinson
 
**********************************************************************/
#include "ClipOverflowButtonHandle.h"
#include "AllThemeResources.h"
#include "HitTestResult.h"
#include "LowlitClipButton.h"
#include "ProjectHistory.h"
#include "RefreshCode.h"
#include "Theme.h"
#include "TrackArt.h"
#include "TrackPanelCell.h"
#include "TrackPanelMouseEvent.h"
#include "ViewInfo.h"
#include "WaveClip.h"
#include "WaveTrack.h"
#include <wx/dc.h>
#include <wx/event.h>
 
namespace
{
void SelectInterval(
   AudacityProject& project, const WaveTrack::Interval& interval)
{
   auto& viewInfo = ViewInfo::Get(project);
   viewInfo.selectedRegion.setTimes(
      interval.GetPlayStartTime(), interval.GetPlayEndTime());
   ProjectHistory::Get(project).ModifyState(false);
}
} // namespace
 
ClipOverflowButtonHandle::ClipOverflowButtonHandle(
   const std::shared_ptr<WaveTrack>& track,
   const std::shared_ptr<WaveTrack::Interval>& clip,
   std::weak_ptr<TrackPanelCell> cell)
    : HighlitClipButtonHandle { ClipButtonId::Overflow, track, clip }
    , mCell { std::move(cell) }
{
}
 
void ClipOverflowButtonHandle::DoDraw(const wxRect& rect, wxDC& dc)
{
   const ClipInterface& clip = *mClip;
   ClipButtonDrawingArgs args { rect, clip, dc };
   ClipButtonSpecializations<ClipButtonId::Overflow>::DrawOnClip(args);
}
 
UIHandle::Result ClipOverflowButtonHandle::DoRelease(
   const TrackPanelMouseEvent& event, AudacityProject* pProject,
   wxWindow* pParent)
{
   if (const auto cell = mCell.lock())
   {
      SelectInterval(*pProject, *mClip);
      const wxPoint point { event.event.GetPosition() };
      return cell->DoContextMenu(event.rect, pParent, &point, pProject);
   }
   return RefreshCode::RefreshNone;
}
 
HitTestPreview ClipOverflowButtonHandle::Preview(
   const TrackPanelMouseState& state, AudacityProject* pProject)
{
   return { XO("Click to open clip context menu."), nullptr };
}
 
int ClipButtonSpecializations<ClipButtonId::Overflow>::GetWidth(
   const ClipInterface&)
{
   return 30;
}
 
bool ClipButtonSpecializations<ClipButtonId::Overflow>::NeedsDrawing(
   const ClipInterface&)
{
   return true;
}
 
void ClipButtonSpecializations<ClipButtonId::Overflow>::DrawOnClip(
   ClipButtonDrawingArgs& args)
{
   auto& dc = args.dc;
   const auto& rect = args.rect;
   constexpr auto penWidth = 0;
   wxDCPenChanger pen { args.dc, { wxPenInfo { *wxBLACK, penWidth } } };
   wxDCBrushChanger brush { dc, *wxBLACK_BRUSH };
   constexpr auto numDots = 3;
   constexpr auto radius = 1;
   constexpr auto spacing = 4;
   constexpr auto totalWidth = numDots * 2 * radius + 2 * spacing;
   const auto dotY = rect.y + (rect.height + 1 - radius) / 2;
   for (auto i = 0; i < numDots; ++i)
   {
      const auto dotX = rect.x + (rect.width + 1 - totalWidth) / 2 +
                        i * (2 * radius + spacing);
      dc.DrawCircle(dotX, dotY, radius);
   }
}