UIHandle.h File Reference

#include <utility>
#include <memory>
#include <typeinfo>
#include "TrackPanelDrawable.h"

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Classes
class	UIHandle
	Short-lived drawing and event-handling object associated with a TrackPanelCell. More...

Typedefs
using	UIHandlePtr = std::shared_ptr< UIHandle >

Functions
template<typename Subclass >
std::shared_ptr< Subclass >	AssignUIHandlePtr (std::weak_ptr< Subclass > &holder, const std::shared_ptr< Subclass > &pNew)

Typedef Documentation

UIHandlePtr

using UIHandlePtr = std::shared_ptr<UIHandle>

Definition at line 156 of file UIHandle.h.

Function Documentation

AssignUIHandlePtr()

template<typename Subclass >

std::shared_ptr< Subclass > AssignUIHandlePtr	(	std::weak_ptr< Subclass > &	holder,
		const std::shared_ptr< Subclass > &	pNew
	)

Definition at line 163 of file UIHandle.h.

{
   // Either assign to a null weak_ptr, or else rewrite what the weak_ptr
   // points at.  Thus a handle already pointed at changes its state but not its
   // identity.  This may matter for the framework that holds the strong
   // pointers.
   auto ptr = holder.lock();
   if (!ptr) {
      holder = pNew;
      return pNew;
   }
   else {
      //type slicing check
      wxASSERT(typeid(*ptr) == typeid(*pNew));
 
      auto code = Subclass::NeedChangeHighlight( *ptr, *pNew );
      *ptr = std::move(*pNew);
      ptr->SetChangeHighlight( code );
      return ptr;
   }
}

Referenced by BrushHandleHitTest(), WaveChannelSubView::DoDetailedHitTest(), WaveChannelView::DoDetailedHitTest(), EnvelopeHandle::HitAnywhere(), NoteTrackAffordanceHandle::HitAnywhere(), SampleHandle::HitAnywhere(), TimeShiftHandle::HitAnywhere(), TrackSelectHandle::HitAnywhere(), WaveClipAdjustBorderHandle::HitAnywhere(), ZoomHandle::HitAnywhere(), TrackPanelResizerCell::HitTest(), SpectrumVRulerControls::HitTest(), WaveformVRulerControls::HitTest(), TimeTrackVRulerControls::HitTest(), BackgroundCell::HitTest(), AdornedRulerPanel::QPCell::HitTest(), AdornedRulerPanel::ScrubbingCell::HitTest(), WaveTrackAffordanceControls::HitTest(), CloseButtonHandle::HitTest(), CutlineHandle::HitTest(), EffectsButtonHandle::HitTest(), LabelGlyphHandle::HitTest(), LabelTextHandle::HitTest(), MenuButtonHandle::HitTest(), MinimizeButtonHandle::HitTest(), MuteButtonHandle::HitTest(), NoteTrackButtonHandle::HitTest(), NoteTrackVZoomHandle::HitTest(), PanSliderHandle::HitTest(), SelectHandle::HitTest(), SoloButtonHandle::HitTest(), StretchHandle::HitTest(), SubViewAdjustHandle::HitTest(), SubViewCloseHandle::HitTest(), SubViewRearrangeHandle::HitTest(), VelocitySliderHandle::HitTest(), and VolumeSliderHandle::HitTest().

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