, gain_automation_state_button ("")
, style_changed (false)
, dpi_changed (false)
- , _is_midi (false)
+ , _data_type (DataType::AUDIO)
{
using namespace Menu_Helpers;
level_meter->set_meter (pm.get());
gain_slider->set_controllable (amp->gain_control());
- if (!_route || _route->output()->n_ports().n_midi() == 0) {
- _is_midi = false;
- 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);
- } else {
- _is_midi = true;
- gain_adjustment.set_lower (0.0);
- gain_adjustment.set_upper (2.0);
- gain_adjustment.set_step_increment (0.05);
- gain_adjustment.set_page_increment (0.1);
- gain_slider->set_default_value (1);
+ if (amp) {
+ amp->ConfigurationChanged.connect (
+ model_connections, invalidator (*this), ui_bind (&GainMeterBase::setup_gain_adjustment, this), gui_context ()
+ );
}
+ setup_gain_adjustment ();
+
if (!_route || !_route->is_hidden()) {
using namespace Menu_Helpers;
update_gain_sensitive ();
}
+void
+GainMeterBase::setup_gain_adjustment ()
+{
+ if (!_amp) {
+ return;
+ }
+
+ if (_previous_amp_output_streams == _amp->output_streams ()) {
+ return;
+ }
+
+ ignore_toggle = true;
+
+ if (_amp->output_streams().n_midi() == 0) {
+ _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_slider->set_default_value (gain_to_slider_position (1));
+ } else {
+ _data_type = DataType::MIDI;
+ gain_adjustment.set_lower (0.0);
+ gain_adjustment.set_upper (2.0);
+ gain_adjustment.set_step_increment (0.05);
+ gain_adjustment.set_page_increment (0.1);
+ gain_slider->set_default_value (1);
+ }
+
+ ignore_toggle = false;
+
+ effective_gain_display ();
+
+ _previous_amp_output_streams = _amp->output_streams ();
+}
+
void
GainMeterBase::hide_all_meters ()
{
float v = gain_adjustment.get_value();
- if (!_is_midi) {
+ switch (_data_type) {
+ case DataType::AUDIO:
if (v == 0.0) {
strcpy (buf, _("-inf"));
} else {
snprintf (buf, sizeof (buf), "%.1f", accurate_coefficient_to_dB (slider_position_to_gain_with_max (v, Config->get_max_gain())));
}
- } else {
+ break;
+ case DataType::MIDI:
snprintf (buf, sizeof (buf), "%.1f", v);
+ break;
}
gain_display.set_text (buf);
void
GainMeterBase::gain_adjusted ()
{
+ gain_t value = 0;
+
+ switch (_data_type) {
+ case DataType::AUDIO:
+ value = slider_position_to_gain_with_max (gain_adjustment.get_value(), Config->get_max_gain());
+ break;
+ case DataType::MIDI:
+ value = gain_adjustment.get_value ();
+ break;
+ }
+
if (!ignore_toggle) {
if (_route && _route->amp() == _amp) {
- if (_is_midi) {
- _route->set_gain (gain_adjustment.get_value(), this);
- } else {
- _route->set_gain (slider_position_to_gain_with_max (gain_adjustment.get_value(), Config->get_max_gain()), this);
- }
+ _route->set_gain (value, this);
} else {
- _amp->set_gain (slider_position_to_gain_with_max (gain_adjustment.get_value(), Config->get_max_gain()), this);
+ _amp->set_gain (value, this);
}
}
void
GainMeterBase::effective_gain_display ()
{
- gfloat value;
+ float value = 0.0;
- if (!_route || _route->output()->n_ports().n_midi() == 0) {
+ switch (_data_type) {
+ case DataType::AUDIO:
value = gain_to_slider_position_with_max (_amp->gain(), Config->get_max_gain());
- } else {
+ break;
+ case DataType::MIDI:
value = _amp->gain ();
+ break;
}
if (gain_adjustment.get_value() != value) {
}
bool
-GainMeterBase::gain_slider_button_release (GdkEventButton* ev)
+GainMeterBase::gain_slider_button_release (GdkEventButton*)
{
_amp->gain_control()->stop_touch (false, _amp->session().transport_frame());
return true;