TrackPanelResizerCell Class Reference

#include <TrackPanelResizerCell.h>

Inheritance diagram for TrackPanelResizerCell:

Collaboration diagram for TrackPanelResizerCell:

Public Member Functions
std::vector< UIHandlePtr >	HitTest (const TrackPanelMouseState &, const AudacityProject *) override
	TrackPanelResizerCell (const std::shared_ptr< Channel > &channel)
Public Member Functions inherited from CommonChannelCell
	CommonChannelCell (const std::shared_ptr< Channel > &pChannel)
	Construct from a channel. More...
	~CommonChannelCell ()
std::shared_ptr< Track >	DoFindTrack () override
void	Reparent (const std::shared_ptr< Track > &parent, size_t iChannel) override
	Object may be shared among tracks but hold a special back-pointer to one of them; reassign it. More...
template<typename Subtype = Channel>
auto	FindChannel () -> std::shared_ptr< Subtype >
	May return null. More...
template<typename Subtype = const Channel>
auto	FindChannel () const -> std::enable_if_t< std::is_const_v< Subtype >, std::shared_ptr< Subtype > >
	May return null. More...
Public Member Functions inherited from CommonTrackPanelCell
	CommonTrackPanelCell ()
virtual	~CommonTrackPanelCell ()=0
HitTestPreview	DefaultPreview (const TrackPanelMouseState &, const AudacityProject *) override
std::shared_ptr< Track >	FindTrack ()
std::shared_ptr< const Track >	FindTrack () const
virtual std::vector< MenuItem >	GetMenuItems (const wxRect &rect, const wxPoint *pPosition, AudacityProject *pProject)
	Return a list of items for DoContextMenu() (empties for separators) More...
Public Member Functions inherited from TrackPanelCell
	TrackPanelCell ()=default
	TrackPanelCell (const TrackPanelCell &)=delete
TrackPanelCell &	operator= (const TrackPanelCell &)=delete
virtual	~TrackPanelCell ()=0
virtual HitTestPreview	DefaultPreview (const TrackPanelMouseState &state, const AudacityProject *pProject)
virtual std::vector< UIHandlePtr >	HitTest (const TrackPanelMouseState &state, const AudacityProject *pProject)=0
virtual unsigned	HandleWheelRotation (const TrackPanelMouseEvent &event, AudacityProject *pProject)
virtual std::shared_ptr< TrackPanelCell >	ContextMenuDelegate ()
virtual unsigned	DoContextMenu (const wxRect &rect, wxWindow *pParent, const wxPoint *pPosition, AudacityProject *pProject)
virtual unsigned	CaptureKey (wxKeyEvent &event, ViewInfo &viewInfo, wxWindow *pParent, AudacityProject *project)
virtual unsigned	KeyDown (wxKeyEvent &event, ViewInfo &viewInfo, wxWindow *pParent, AudacityProject *project)
virtual unsigned	KeyUp (wxKeyEvent &event, ViewInfo &viewInfo, wxWindow *pParent, AudacityProject *project)
virtual unsigned	Char (wxKeyEvent &event, ViewInfo &viewInfo, wxWindow *pParent, AudacityProject *project)
virtual unsigned	LoseFocus (AudacityProject *project)
Public Member Functions inherited from TrackPanelNode
	TrackPanelNode ()
virtual	~TrackPanelNode ()=0
Public Member Functions inherited from TrackPanelDrawable
virtual	~TrackPanelDrawable ()=0
virtual void	Draw (TrackPanelDrawingContext &context, const wxRect &rect, unsigned iPass)
virtual wxRect	DrawingArea (TrackPanelDrawingContext &context, const wxRect &rect, const wxRect &panelRect, unsigned iPass)
Public Member Functions inherited from ChannelAttachment
virtual	~ChannelAttachment ()
virtual void	CopyTo (Track &track, size_t iChannel) const
	Copy state, for undo/redo purposes. More...
virtual void	Reparent (const std::shared_ptr< Track > &parent, size_t iChannel)
	Object may be shared among tracks but hold a special back-pointer to one of them; reassign it. More...
virtual void	WriteXMLAttributes (XMLWriter &writer, size_t iChannel) const
	Serialize persistent attributes. More...
virtual bool	HandleXMLAttribute (const std::string_view &attr, const XMLAttributeValueView &valueView, size_t iChannel)
	Deserialize an attribute, returning true if recognized. More...

Static Public Member Functions
static TrackPanelResizerCell &	Get (Channel &channel)
static const TrackPanelResizerCell &	Get (const Channel &channel)
Static Public Member Functions inherited from TrackPanelDrawable
static wxRect	MaximizeWidth (const wxRect &rect, const wxRect &panelRect)
static wxRect	MaximizeHeight (const wxRect &rect, const wxRect &panelRect)

Private Member Functions
	TrackPanelResizerCell (const TrackPanelResizerCell &)=delete
TrackPanelResizerCell &	operator= (const TrackPanelResizerCell &)=delete
void	Draw (TrackPanelDrawingContext &context, const wxRect &rect, unsigned iPass) override

Static Private Member Functions
static TrackPanelResizerCell &	GetFromChannelGroup (ChannelGroup &group, size_t iChannel)

Private Attributes
std::weak_ptr< TrackPanelResizeHandle >	mResizeHandle

Additional Inherited Members
Protected Member Functions inherited from CommonTrackPanelCell
virtual std::shared_ptr< Track >	DoFindTrack ()=0
unsigned	DoContextMenu (const wxRect &rect, wxWindow *pParent, const wxPoint *pPosition, AudacityProject *pProject) override
unsigned	HandleWheelRotation (const TrackPanelMouseEvent &event, AudacityProject *pProject) override

Detailed Description

Definition at line 20 of file TrackPanelResizerCell.h.

Constructor & Destructor Documentation

TrackPanelResizerCell() [1/2]

TrackPanelResizerCell::TrackPanelResizerCell ( const TrackPanelResizerCell &  )

privatedelete

TrackPanelResizerCell() [2/2]

TrackPanelResizerCell::TrackPanelResizerCell ( const std::shared_ptr< Channel > &  channel )

explicit

Definition at line 25 of file TrackPanelResizerCell.cpp.

   : CommonChannelCell{ channel }
{}

Member Function Documentation

Draw()

void TrackPanelResizerCell::Draw ( TrackPanelDrawingContext &  context, const wxRect &  rect, unsigned  iPass  )

overrideprivatevirtual

Reimplemented from TrackPanelDrawable.

Definition at line 44 of file TrackPanelResizerCell.cpp.

{
   if (iPass == TrackArtist::PassMargins) {
      if (const auto pChannel = FindChannel()) {
         const auto pTrack =
            dynamic_cast<Track *>(&pChannel->GetChannelGroup());
         if (!pTrack)
            return;
         auto dc = &context.dc;
         const auto &channels = pTrack->Channels();
         const bool last = (pChannel == *channels.rbegin());
         if (last) {
            // Fill in separator area below a track
            AColor::TrackPanelBackground( dc, false );
            dc->DrawRectangle( rect );
         }
         else {
            // Area between channels of a group
            // Paint the channel separator over (what would be) the lower border
            // of this channel, down to and including the upper border of the
            // next channel
            
            ADCChanger cleanup{ dc };
            
            // Paint the left part of the background
            const auto artist = TrackArtist::Get(context);
            auto labelw = artist->pZoomInfo->GetLeftOffset() - 1;
            AColor::Dark(dc, false);
            dc->DrawRectangle(
               rect.GetX(), rect.GetY(), labelw, rect.GetHeight() );
            
            // Stroke the left border
            dc->SetPen(*wxBLACK_PEN);
            {
               const auto left = rect.GetLeft();
               AColor::Line( *dc, left, rect.GetTop(), left, rect.GetBottom() );
            }
            
            AColor::TrackPanelBackground(dc, false);
            
            wxRect rec{ rect };
            rec.width -= labelw - rec.x;
            rec.x = labelw;
            
            dc->DrawRectangle( wxRect( rec ).Inflate( 0, -kBorderThickness ) );
            
            // These lines stroke over what is otherwise "border" of each
            // channel
            dc->SetBrush(*wxTRANSPARENT_BRUSH);
            dc->SetPen(*wxBLACK_PEN);
            const auto left = rec.GetLeft();
            const auto right = rec.GetRight();
            const auto top = rec.GetTop();
            const auto bottom = rec.GetBottom();
            AColor::Line( *dc, left, top,    right, top    );
            AColor::Line( *dc, left, bottom, right, bottom );
         }
      }
   }
}

References AColor::Dark(), TrackPanelDrawingContext::dc, CommonChannelCell::FindChannel(), TrackArtist::Get(), kBorderThickness, AColor::Line(), TrackArtist::PassMargins, and AColor::TrackPanelBackground().

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Get() [1/2]

TrackPanelResizerCell & TrackPanelResizerCell::Get ( Channel &  channel )

static

Precondition

dynamic_cast<Track*>(&channel.GetChannelGroup()) != nullptr

Definition at line 129 of file TrackPanelResizerCell.cpp.

{
   return GetFromChannelGroup(channel.GetChannelGroup(),
      channel.GetChannelIndex());
}

References Channel::GetChannelGroup(), Channel::GetChannelIndex(), and GetFromChannelGroup().

Referenced by anonymous_namespace{TrackPanel.cpp}::ResizingChannelGroup::Children(), anonymous_namespace{TrackPanel.cpp}::ChannelStack::Children(), and Get().

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Get() [2/2]

const TrackPanelResizerCell & TrackPanelResizerCell::Get ( const Channel &  channel )

static

Definition at line 135 of file TrackPanelResizerCell.cpp.

{
   return Get(const_cast<Channel &>(channel));
}

References Get().

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GetFromChannelGroup()

TrackPanelResizerCell & TrackPanelResizerCell::GetFromChannelGroup ( ChannelGroup &  group, size_t  iChannel  )

staticprivate

Precondition

iChannel < group.NChannels()

Definition at line 122 of file TrackPanelResizerCell.cpp.

{
   auto &track = static_cast<Track&>(group);
   return ResizerCellAttachments::Get(key, track, iChannel);
}

References ChannelAttachments< Attachment >::Get(), anonymous_namespace{StretchingSequenceIntegrationTest.cpp}::iChannel, and key.

Referenced by Get().

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HitTest()

std::vector< UIHandlePtr > TrackPanelResizerCell::HitTest ( const TrackPanelMouseState &  st, const AudacityProject *  pProject  )

overridevirtual

Implements TrackPanelCell.

Definition at line 30 of file TrackPanelResizerCell.cpp.

{
   (void)pProject;// Compiler food
   std::vector<UIHandlePtr> results;
   if (const auto pChannel = FindChannel()) {
      auto result =
         std::make_shared<TrackPanelResizeHandle>(pChannel, st.state.m_y);
      result = AssignUIHandlePtr(mResizeHandle, result);
      results.push_back(result);
   }
   return results;
}

References AssignUIHandlePtr(), CommonChannelCell::FindChannel(), mResizeHandle, and TrackPanelMouseState::state.

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operator=()

TrackPanelResizerCell & TrackPanelResizerCell::operator= ( const TrackPanelResizerCell &  )

privatedelete

Member Data Documentation

mResizeHandle

std::weak_ptr<TrackPanelResizeHandle> TrackPanelResizerCell::mResizeHandle

private

Definition at line 51 of file TrackPanelResizerCell.h.

Referenced by HitTest().

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The documentation for this class was generated from the following files:

• TrackPanelResizerCell.h
• TrackPanelResizerCell.cpp