Fix crash on clear option for automation tracks (#3195). Also fix state change signa...

[ardour.git] / gtk2_ardour / crossfade_view.cc

diff --git a/gtk2_ardour/crossfade_view.cc b/gtk2_ardour/crossfade_view.cc
index d4f0f5af08862e7b70633e775e00aba2d2696b98..823934ef4ed81f821f2d3624a8d5e4225c54d6ea 100644 (file)
--- a/gtk2_ardour/crossfade_view.cc
+++ b/gtk2_ardour/crossfade_view.cc
@@ -55,8 +55,7 @@ CrossfadeView::CrossfadeView (ArdourCanvas::Group *parent,
                            xf->length(), false, TimeAxisViewItem::Visibility (TimeAxisViewItem::ShowFrame)),
          crossfade (xf),
          left_view (lview),
-         right_view (rview)
-
+         right_view (rview)    
 {
        _valid = true;
        _visible = true;
@@ -69,14 +68,11 @@ CrossfadeView::CrossfadeView (ArdourCanvas::Group *parent,
        fade_out->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_CrossfadeLine.get();
        fade_out->property_width_pixels() = 1;
 
-       set_height (get_time_axis_view().current_height());
-
        /* no frame around the xfade or overlap rects */
 
        frame->property_outline_what() = 0;
 
        /* never show the vestigial frame */
-
        vestigial_frame->hide();
        show_vestigial = false;
 
@@ -110,18 +106,16 @@ CrossfadeView::reset_width_dependent_items (double pixel_width)
 }
 
 void
-CrossfadeView::set_height (double height)
+CrossfadeView::set_height (double h)
 {
-       double h = 0;
-       if (height <= TimeAxisView::hSmaller) {
-               h = height - 3;
+       if (h <= TimeAxisView::preset_height (HeightSmall)) {
+               h -= 3.0;
        } else {
-               h = height - NAME_HIGHLIGHT_SIZE - 3;
+               h -= NAME_HIGHLIGHT_SIZE + 3.0;
        }
 
        TimeAxisViewItem::set_height (h);
 
-       _height = h;
        redraw_curves ();
 }
 
@@ -192,14 +186,17 @@ CrossfadeView::redraw_curves ()
                p.set_x(i);
                p.set_y(2.0 + _height - (_height * vec[i]));
        }
+       
        fade_in->property_points() = *points;
 
        crossfade->fade_out().curve().get_vector (0, crossfade->length(), vec, npoints);
+
        for (int i = 0, pci = 0; i < npoints; ++i) {
                Art::Point &p = (*points)[pci++];
                p.set_x(i);
                p.set_y(2.0 + _height - (_height * vec[i]));
        }
+       
        fade_out->property_points() = *points;
 
        delete [] vec;
@@ -266,4 +263,3 @@ CrossfadeView::fake_hide ()
 {
        group->hide();
 }
-