WaveChannelVRulerControls Namespace Reference

Functions
AUDACITY_DLL_API Ruler &	ScratchRuler ()
AUDACITY_DLL_API void	DoDraw (ChannelVRulerControls &controls, TrackPanelDrawingContext &context, const wxRect &rect, unsigned iPass)

Function Documentation

DoDraw()

void WaveChannelVRulerControls::DoDraw	(	ChannelVRulerControls &	controls,
		TrackPanelDrawingContext &	context,
		const wxRect &	rect,
		unsigned	iPass
	)

Definition at line 35 of file WaveChannelVRulerControls.cpp.

{
   Ruler &vruler = ScratchRuler();
 
   // Draw on a later pass because the bevel overpaints one pixel
   // out of bounds on the bottom
 
   if ( iPass == TrackArtist::PassControls ) {
      auto rect = rect_;
      --rect.width;
      --rect.height;
 
      auto dc = &context.dc;
 
      // All waves have a ruler in the info panel
      // The ruler needs a bevelled surround.
      wxRect bev = rect;
      bev.Inflate(-1, 0);
      bev.width += 1;
 
      bool highlight = false;
#ifdef EXPERIMENTAL_TRACK_PANEL_HIGHLIGHTING
      highlight = rect.Contains(context.lastState.GetPosition());
#endif
   
      AColor::BevelTrackInfo(*dc, true, bev, highlight);
      
      // Right align the ruler
      wxRect rr = rect;
      rr.width--;
   
// Next code tests for a VRuler that is narrower than the rectangle
// we are drawing into.  If so, it 'right aligns' the ruler into the 
// rectangle.
// However, it seems this occurs only because vrulerSize is not up to
// date.  That in turn caused Bug 2248, which was the labels being
// drawn further right than they should be (in MultiView mode).
// #ifdeffing out this code fixes bug 2248
#if 0 
      if ( t->vrulerSize.GetWidth() < rect.GetWidth()) {
         int adj = rr.GetWidth() - t->vrulerSize.GetWidth();
         rr.x += adj;
         rr.width -= adj;
      }
#endif
 
      controls.UpdateRuler(rr);
 
      vruler.SetTickColour( theTheme.Colour( clrTrackPanelText ));
      vruler.Draw(*dc);
   }
}

References AColor::BevelTrackInfo(), ThemeBase::Colour(), TrackPanelDrawingContext::dc, Ruler::Draw(), TrackPanelDrawingContext::lastState, TrackArtist::PassControls, ScratchRuler(), Ruler::SetTickColour(), theTheme, and ChannelVRulerControls::UpdateRuler().

Referenced by SpectrumVRulerControls::Draw(), and WaveformVRulerControls::Draw().

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ScratchRuler()

Ruler & WaveChannelVRulerControls::ScratchRuler

(

)

Definition at line 28 of file WaveChannelVRulerControls.cpp.

{
   static Ruler theRuler{
      LinearUpdater::Instance(), RealFormat::LinearInstance() };
   return theRuler;
}

References LinearUpdater::Instance(), and RealFormat::LinearInstance().

Referenced by DoDraw(), SpectrumVRulerControls::DoUpdateVRuler(), and WaveformVRulerControls::DoUpdateVRuler().

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