ardour/livetrax
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fix range on SiP cut control; simplify a couple of other things

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git-svn-id: svn://localhost/ardour2/branches/3.0@9751 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2011-06-20 14:20:01 +00:00
parent b272332933
commit 4a81c71e97
1 changed files with 5 additions and 7 deletions
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12
gtk2_ardour/volume_controller.cc
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@ -49,13 +49,7 @@ VolumeController::VolumeController (Glib::RefPtr<Gdk::Pixbuf> p,
, _linear (linear)
{
set_print_func (VolumeController::_dB_printer, this);
if (step < 1.0) {
value->set_width_chars (6 + abs ((int) ceil (log10 (step))));
} else {
value->set_width_chars (5); // -NNdB
}
value->set_width_chars (8);
}
void
@ -152,8 +146,12 @@ VolumeController::adjust (double control_delta)
v = gain_to_slider_position_with_max (v, ARDOUR::Config->get_max_gain());
/* adjust in this domain */
v += control_delta;
/* clamp in this domain */
v = std::max (0.0, std::min (1.0, v));
/* convert back to gain coefficient domain */
v = slider_position_to_gain_with_max (v, ARDOUR::Config->get_max_gain());
/* clamp in this domain */
v = std::max (_controllable->lower(), std::min (_controllable->upper(), v));
/* now round to some precision in the dB domain */
v = accurate_coefficient_to_dB (v);