several steps closer to more sane color system

[ardour.git] / gtk2_ardour / gain_meter.cc

diff --git a/gtk2_ardour/gain_meter.cc b/gtk2_ardour/gain_meter.cc
index 7b7ad33f9ae5beda0146e2c1ebfac152b49a050b..1dfd086b957d42416347ab468fb248660f92b60d 100644 (file)
--- a/gtk2_ardour/gain_meter.cc
+++ b/gtk2_ardour/gain_meter.cc
@@ -49,6 +49,7 @@
 #include "ardour/meter.h"
 #include "ardour/audio_track.h"
 #include "ardour/midi_track.h"
+#include "ardour/dB.h"
 
 #include "i18n.h"
 
@@ -82,11 +83,14 @@ reset_cursor_to_default_state (Gtk::StateType, Gtk::Entry* widget)
 }
 
 GainMeterBase::GainMeterBase (Session* s, bool horizontal, int fader_length, int fader_girth)
-       : gain_adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0.0, 1.0, 0.01, 0.1)
+       : gain_adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()),  // value
+                          0.0,  // lower
+                          1.0,  // upper
+                          dB_coeff_step(Config->get_max_gain()) / 10.0,  // step increment
+                          dB_coeff_step(Config->get_max_gain()))  // page increment
        , gain_automation_style_button ("")
        , gain_automation_state_button ("")
        , _data_type (DataType::AUDIO)
-
 {
        using namespace Menu_Helpers;
 
@@ -260,8 +264,8 @@ GainMeterBase::setup_gain_adjustment ()
                _data_type = DataType::AUDIO;
                gain_adjustment.set_lower (0.0);
                gain_adjustment.set_upper (1.0);
-               gain_adjustment.set_step_increment (0.01);
-               gain_adjustment.set_page_increment (0.1);
+               gain_adjustment.set_step_increment (dB_coeff_step(Config->get_max_gain()) / 10.0);
+               gain_adjustment.set_page_increment (dB_coeff_step(Config->get_max_gain()));
                gain_slider->set_default_value (gain_to_slider_position (1));
        } else {
                _data_type = DataType::MIDI;