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Implement ArdourKnob visual sensitivity

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This commit is contained in:
Robin Gareus 2020-07-21 01:51:18 +02:00
parent efd3f6bdab
commit 001072e7d0
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 9 additions and 1 deletions
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10
libs/widgets/ardour_knob.cc
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@ -260,9 +260,17 @@ ArdourKnob::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_t*
cairo_line_to (cr, ((center_radius*0.4) * value_x), ((center_radius*0.4) * value_y));
cairo_stroke (cr);
// a transparent overlay to indicate insensitivity
if (!sensitive ()) {
cairo_arc (cr, 0, 0, center_radius, 0, 2.0*G_PI);
uint32_t ins_color = UIConfigurationBase::instance().color ("gtk_background");
Gtkmm2ext::set_source_rgb_a (cr, ins_color, 0.6);
cairo_fill (cr);
}
//highlight if grabbed or if mouse is hovering over me
if (_tooltip.dragging() || (_hovering && UIConfigurationBase::instance().get_widget_prelight() ) ) {
cairo_set_source_rgba (cr, 1,1,1, 0.12 );
cairo_set_source_rgba (cr, 1,1,1, 0.12);
cairo_arc (cr, 0, 0, center_radius, 0, 2.0*G_PI);
cairo_fill (cr);
}