Implement ArdourKnob visual sensitivity
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@ -260,9 +260,17 @@ ArdourKnob::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_t*
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cairo_line_to (cr, ((center_radius*0.4) * value_x), ((center_radius*0.4) * value_y));
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cairo_stroke (cr);
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// a transparent overlay to indicate insensitivity
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if (!sensitive ()) {
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cairo_arc (cr, 0, 0, center_radius, 0, 2.0*G_PI);
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uint32_t ins_color = UIConfigurationBase::instance().color ("gtk_background");
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Gtkmm2ext::set_source_rgb_a (cr, ins_color, 0.6);
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cairo_fill (cr);
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}
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//highlight if grabbed or if mouse is hovering over me
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if (_tooltip.dragging() || (_hovering && UIConfigurationBase::instance().get_widget_prelight() ) ) {
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cairo_set_source_rgba (cr, 1,1,1, 0.12 );
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cairo_set_source_rgba (cr, 1,1,1, 0.12);
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cairo_arc (cr, 0, 0, center_radius, 0, 2.0*G_PI);
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cairo_fill (cr);
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}
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