fixed waveform shape and scale issue to maintain the state for all new regions on the track

git-svn-id: svn://localhost/ardour2/trunk@1222 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/audio_streamview.cc

@@ -56,7 +56,9 @@ AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
 	: StreamView (tv)
 {
 	crossfades_visible = true;
-
+	_waveform_scale = LinearWaveform;
+	_waveform_shape = Traditional;
+	
 	if (tv.is_audio_track())
 		stream_base_color = color_map[cAudioTrackBase];
 	else
@@ -144,6 +146,14 @@ AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wai
 			/* great. we already have a AudioRegionView for this Region. use it again. */
 			
 			(*i)->set_valid (true);
+
+			// this might not be necessary
+			AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
+			if (arv) {
+				arv->set_waveform_scale (_waveform_scale);
+				arv->set_waveform_shape (_waveform_shape);
+			}
+				
 			return;
 		}
 	}
@@ -162,6 +172,27 @@ AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wai
 	region_view->init (region_color, wait_for_waves);
 	region_view->set_amplitude_above_axis(_amplitude_above_axis);
 	region_views.push_front (region_view);
+
+	/* if this was the first one, then lets query the waveform scale and shape.
+	   otherwise, we set it to the current value */
+	   
+	if (region_views.size() == 1) {
+		if (region_view->waveform_logscaled()) {
+			_waveform_scale = LogWaveform;
+		} else {
+			_waveform_scale = LinearWaveform;
+		}
+
+		if (region_view->waveform_rectified()) {
+			_waveform_shape = Rectified;
+		} else {
+			_waveform_shape = Traditional;
+		}
+	}
+	else {
+		region_view->set_waveform_scale(_waveform_scale);
+		region_view->set_waveform_shape(_waveform_shape);
+	}
 	
 	/* follow global waveform setting */
 
@@ -382,48 +413,20 @@ AudioStreamView::set_waveform_shape (WaveformShape shape)
 		if (arv)
 			arv->set_waveform_shape (shape);
 	}
+	_waveform_shape = shape;
 }		
 
-WaveformShape
-AudioStreamView::get_waveform_shape () const
-{
-	// assumes that the first represents all for our purposes
-
-	if (region_views.size() > 0) {
-		AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(region_views.front());
-		if (arv) {
-			if (arv->waveform_rectified())
-				return Rectified;
-		}
-	}
-	return Traditional;
-}
-
 void
 AudioStreamView::set_waveform_scale (WaveformScale scale)
 {
 	for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 		AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
-		if (arv)
+		if (arv) 
 			arv->set_waveform_scale (scale);
 	}
+	_waveform_scale = scale;
 }		
 
-WaveformScale
-AudioStreamView::get_waveform_scale () const
-{
-	// assumes that the first represents all for our purposes
-
-	if (region_views.size() > 0) {
-		AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(region_views.front());
-		if (arv) {
-			if (arv->waveform_logscaled())
-				return LogWaveform;
-		}
-	}
-	return LinearWaveform;
-}
-
 void
 AudioStreamView::setup_rec_box ()
 {

gtk2_ardour/audio_streamview.h

@@ -59,9 +59,9 @@ class AudioStreamView : public StreamView
 	~AudioStreamView ();
 
 	void set_waveform_shape (WaveformShape);
-	WaveformShape get_waveform_shape () const;
+	WaveformShape get_waveform_shape () const { return _waveform_shape; }
 	void set_waveform_scale (WaveformScale);
-	WaveformScale get_waveform_scale () const;
+	WaveformScale get_waveform_scale () const { return _waveform_scale; }
 
 	int set_height (gdouble h);
 	int set_samples_per_unit (gdouble spp);
@@ -108,7 +108,9 @@ class AudioStreamView : public StreamView
 	list<sigc::connection>     peak_ready_connections;
 	nframes_t             last_rec_peak_frame;
 	map<boost::shared_ptr<ARDOUR::Source>, bool> rec_peak_ready_map;
-	
+
+	WaveformShape     _waveform_shape;
+	WaveformScale     _waveform_scale;
 };
 
 #endif /* __ardour_audio_streamview_h__ */