13
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livetrax/gtk2_ardour/gain_meter.cc
Robin Gareus 31815b5f26
NO-OP: whitespace
This fixes mostly <tab> after <space> and similar <tab> not used
for indenting as well as some related code alignment issues.
2019-04-13 17:57:46 +02:00

1139 lines
30 KiB
C++

/*
Copyright (C) 2002 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <limits.h>
#include <pangomm.h>
#include <gtkmm/alignment.h>
#include <gdkmm/color.h>
#include <gtkmm/style.h>
#include "ardour/amp.h"
#include "ardour/logmeter.h"
#include "ardour/route_group.h"
#include "ardour/session_route.h"
#include "ardour/dB.h"
#include "ardour/utils.h"
#include "gtkmm2ext/utils.h"
#include "gtkmm2ext/gtk_ui.h"
#include "widgets/tooltips.h"
#include "pbd/fastlog.h"
#include "pbd/stacktrace.h"
#include "gain_meter.h"
#include "gui_thread.h"
#include "keyboard.h"
#include "public_editor.h"
#include "utils.h"
#include "meter_patterns.h"
#include "timers.h"
#include "ui_config.h"
#include "ardour/session.h"
#include "ardour/route.h"
#include "ardour/meter.h"
#include "ardour/audio_track.h"
#include "ardour/midi_track.h"
#include "ardour/dB.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace ArdourWidgets;
using namespace PBD;
using namespace Gtkmm2ext;
using namespace Gtk;
using namespace std;
using Gtkmm2ext::Keyboard;
using namespace ArdourMeter;
static void
reset_cursor_to_default (Gtk::Entry* widget)
{
Glib::RefPtr<Gdk::Window> win = widget->get_text_window ();
if (win) {
/* C++ doesn't provide a pointer argument version of this
(i.e. you cannot set to NULL to get the default/parent
cursor)
*/
gdk_window_set_cursor (win->gobj(), 0);
}
}
static void
reset_cursor_to_default_state (Gtk::StateType, Gtk::Entry* widget)
{
reset_cursor_to_default (widget);
}
sigc::signal<void, ARDOUR::AutoState> GainMeterBase::ChangeGainAutomationState;
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()), // 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_state_button ("")
, meter_point_button (_("pre"))
, gain_astate_propagate (false)
, _data_type (DataType::AUDIO)
{
using namespace Menu_Helpers;
set_session (s);
ignore_toggle = false;
meter_menu = 0;
next_release_selects = false;
_width = Wide;
fader_length = rint (fader_length * UIConfiguration::instance().get_ui_scale());
fader_girth = rint (fader_girth * UIConfiguration::instance().get_ui_scale());
if (horizontal) {
gain_slider = manage (new HSliderController (&gain_adjustment, boost::shared_ptr<PBD::Controllable>(), fader_length, fader_girth));
gain_slider->set_tweaks (ArdourFader::Tweaks(ArdourFader::NoButtonForward | ArdourFader::NoVerticalScroll));
} else {
gain_slider = manage (new VSliderController (&gain_adjustment, boost::shared_ptr<PBD::Controllable>(), fader_length, fader_girth));
gain_slider->set_tweaks (ArdourFader::NoButtonForward);
}
level_meter = new LevelMeterHBox(_session);
level_meter->ButtonPress.connect_same_thread (_level_meter_connection, boost::bind (&GainMeterBase::level_meter_button_press, this, _1));
meter_metric_area.signal_button_press_event().connect (sigc::mem_fun (*this, &GainMeterBase::level_meter_button_press));
meter_metric_area.add_events (Gdk::BUTTON_PRESS_MASK);
gain_slider->StartGesture.connect (sigc::mem_fun (*this, &GainMeter::amp_start_touch));
gain_slider->StopGesture.connect (sigc::mem_fun (*this, &GainMeter::amp_stop_touch));
gain_slider->set_name ("GainFader");
gain_display.set_name ("MixerStripGainDisplay");
set_size_request_to_display_given_text (gain_display, "-80.g", 2, 6); /* note the descender */
gain_display.signal_activate().connect (sigc::mem_fun (*this, &GainMeter::gain_activated));
gain_display.signal_focus_in_event().connect (sigc::mem_fun (*this, &GainMeter::gain_focused), false);
gain_display.signal_focus_out_event().connect (sigc::mem_fun (*this, &GainMeter::gain_focused), false);
gain_display.set_alignment (0.5);
peak_display.set_name ("MixerStripPeakDisplay");
set_size_request_to_display_given_text (peak_display, "-80.g", 2, 6); /* note the descender */
max_peak = minus_infinity();
peak_display.set_text (_("-inf"));
peak_display.set_alignment (0.5);
/* stuff related to the fact that the peak display is not, in
fact, supposed to be a text entry.
*/
peak_display.set_events (peak_display.get_events() & ~(Gdk::EventMask (Gdk::LEAVE_NOTIFY_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::POINTER_MOTION_MASK)));
peak_display.signal_map().connect (sigc::bind (sigc::ptr_fun (reset_cursor_to_default), &peak_display));
peak_display.signal_state_changed().connect (sigc::bind (sigc::ptr_fun (reset_cursor_to_default_state), &peak_display));
peak_display.unset_flags (Gtk::CAN_FOCUS);
peak_display.set_editable (false);
gain_automation_state_button.set_name ("mixer strip button");
set_tooltip (gain_automation_state_button, _("Fader automation mode"));
gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
gain_automation_state_button.set_size_request(15, 15);
gain_astate_menu.set_name ("ArdourContextMenu");
gain_astate_menu.set_reserve_toggle_size(false);
meter_point_button.set_name ("mixer strip button");
set_tooltip (&meter_point_button, _("Metering point"));
meter_point_button.unset_flags (Gtk::CAN_FOCUS);
meter_point_button.set_size_request(15, 15);
meter_point_menu.set_name ("ArdourContextMenu");
meter_point_menu.set_reserve_toggle_size(false);
meter_point_menu.items().clear ();
meter_point_menu.items().push_back (MenuElem(_("Input"),
sigc::bind (sigc::mem_fun (*this,
&GainMeterBase::meter_point_clicked), (MeterPoint) MeterInput)));
meter_point_menu.items().push_back (MenuElem(_("Pre Fader"),
sigc::bind (sigc::mem_fun (*this,
&GainMeterBase::meter_point_clicked), (MeterPoint) MeterPreFader)));
meter_point_menu.items().push_back (MenuElem(_("Post Fader"),
sigc::bind (sigc::mem_fun (*this,
&GainMeterBase::meter_point_clicked), (MeterPoint) MeterPostFader)));
meter_point_menu.items().push_back (MenuElem(_("Output"),
sigc::bind (sigc::mem_fun (*this,
&GainMeterBase::meter_point_clicked), (MeterPoint) MeterOutput)));
meter_point_menu.items().push_back (MenuElem(_("Custom"),
sigc::bind (sigc::mem_fun (*this,
&GainMeterBase::meter_point_clicked), (MeterPoint) MeterCustom)));
meter_point_button.signal_button_press_event().connect (sigc::mem_fun (*this, &GainMeter::meter_press), false);
gain_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &GainMeterBase::fader_moved));
peak_display.signal_button_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::peak_button_press), false);
peak_display.signal_button_release_event().connect (sigc::mem_fun(*this, &GainMeterBase::peak_button_release), false);
gain_display.signal_key_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::gain_key_press), false);
ResetAllPeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_peak_display));
ResetRoutePeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_route_peak_display));
ResetGroupPeakDisplays.connect (sigc::mem_fun(*this, &GainMeterBase::reset_group_peak_display));
RedrawMetrics.connect (sigc::mem_fun(*this, &GainMeterBase::redraw_metrics));
UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &GainMeterBase::on_theme_changed));
UIConfiguration::instance().ColorsChanged.connect (sigc::bind(sigc::mem_fun (*this, &GainMeterBase::color_handler), false));
UIConfiguration::instance().DPIReset.connect (sigc::bind(sigc::mem_fun (*this, &GainMeterBase::color_handler), true));
}
GainMeterBase::~GainMeterBase ()
{
delete meter_menu;
delete level_meter;
}
void
GainMeterBase::set_controls (boost::shared_ptr<Route> r,
boost::shared_ptr<PeakMeter> pm,
boost::shared_ptr<Amp> amp,
boost::shared_ptr<GainControl> control)
{
connections.clear ();
model_connections.drop_connections ();
/* no meter and no control? nothing to do ... */
if (!pm && !control) {
level_meter->set_meter (0);
gain_slider->set_controllable (boost::shared_ptr<PBD::Controllable>());
_meter.reset ();
_amp.reset ();
_route.reset ();
_control.reset ();
return;
}
_meter = pm;
_amp = amp;
_route = r;
_control = control;
level_meter->set_meter (pm.get());
gain_slider->set_controllable (_control);
if (amp) {
amp->ConfigurationChanged.connect (
model_connections, invalidator (*this), boost::bind (&GainMeterBase::setup_gain_adjustment, this), gui_context ()
);
}
setup_gain_adjustment ();
if (!_route || !_route->is_auditioner()) {
using namespace Menu_Helpers;
gain_astate_menu.items().clear ();
gain_astate_menu.items().push_back (MenuElem (S_("Automation|Manual"),
sigc::bind (sigc::mem_fun (*this, &GainMeterBase::set_gain_astate), (AutoState) ARDOUR::Off)));
gain_astate_menu.items().push_back (MenuElem (_("Play"),
sigc::bind (sigc::mem_fun (*this, &GainMeterBase::set_gain_astate), (AutoState) ARDOUR::Play)));
gain_astate_menu.items().push_back (MenuElem (_("Write"),
sigc::bind (sigc::mem_fun (*this, &GainMeterBase::set_gain_astate), (AutoState) ARDOUR::Write)));
gain_astate_menu.items().push_back (MenuElem (_("Touch"),
sigc::bind (sigc::mem_fun (*this, &GainMeterBase::set_gain_astate), (AutoState) ARDOUR::Touch)));
gain_astate_menu.items().push_back (MenuElem (_("Latch"),
sigc::bind (sigc::mem_fun (*this, &GainMeterBase::set_gain_astate), (AutoState) ARDOUR::Latch)));
connections.push_back (gain_automation_state_button.signal_button_press_event().connect (sigc::mem_fun(*this, &GainMeterBase::gain_automation_state_button_event), false));
connections.push_back (ChangeGainAutomationState.connect (sigc::mem_fun(*this, &GainMeterBase::set_gain_astate)));
_control->alist()->automation_state_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::gain_automation_state_changed, this), gui_context());
gain_automation_state_changed ();
}
_control->Changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeterBase::gain_changed, this), gui_context());
gain_changed ();
show_gain ();
update_gain_sensitive ();
if (!_meter) {
peak_display.hide ();
} else {
peak_display.show ();
}
}
void
GainMeterBase::set_gain_astate (AutoState as)
{
if (gain_astate_propagate) {
gain_astate_propagate = false;
ChangeGainAutomationState (as);
return;
}
if (_amp) {
_amp->set_parameter_automation_state (Evoral::Parameter (GainAutomation), as);
} else if (_control) {
_control->set_automation_state (as);
_session->set_dirty ();
}
}
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() <= _amp->output_streams().n_audio()) {
_data_type = DataType::AUDIO;
gain_adjustment.set_lower (GAIN_COEFF_ZERO);
gain_adjustment.set_upper (GAIN_COEFF_UNITY);
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_with_max (GAIN_COEFF_UNITY, Config->get_max_gain()));
} else {
_data_type = DataType::MIDI;
gain_adjustment.set_lower (0.0);
gain_adjustment.set_upper (2.0);
gain_adjustment.set_step_increment (1.0/128.0);
gain_adjustment.set_page_increment (10.0/128.0);
gain_slider->set_default_value (1.0);
}
ignore_toggle = false;
effective_gain_display ();
_previous_amp_output_streams = _amp->output_streams ();
}
void
GainMeterBase::hide_all_meters ()
{
level_meter->hide_meters();
}
void
GainMeter::hide_all_meters ()
{
GainMeterBase::hide_all_meters ();
}
void
GainMeterBase::setup_meters (int len)
{
int meter_width = 5;
uint32_t meter_channels = 0;
if (_meter) {
meter_channels = _meter->input_streams().n_total();
} else if (_route) {
meter_channels = _route->shared_peak_meter()->input_streams().n_total();
}
switch (_width) {
case Wide:
//meter_ticks1_area.show();
//meter_ticks2_area.show();
meter_metric_area.show();
if (meter_channels == 1) {
meter_width = 10;
}
break;
case Narrow:
if (meter_channels > 1) {
meter_width = 4;
}
//meter_ticks1_area.hide();
//meter_ticks2_area.hide();
meter_metric_area.hide();
break;
}
level_meter->setup_meters(len, meter_width);
}
void
GainMeterBase::set_type (MeterType t)
{
level_meter->set_meter_type(t);
}
void
GainMeter::setup_meters (int len)
{
switch (_width) {
case Wide:
{
uint32_t meter_channels = 0;
if (_meter) {
meter_channels = _meter->input_streams().n_total();
} else if (_route) {
meter_channels = _route->shared_peak_meter()->input_streams().n_total();
}
hbox.set_homogeneous(meter_channels < 7 ? true : false);
}
break;
case Narrow:
hbox.set_homogeneous(false);
break;
}
GainMeterBase::setup_meters (len);
}
void
GainMeter::set_type (MeterType t)
{
GainMeterBase::set_type (t);
}
bool
GainMeterBase::gain_key_press (GdkEventKey* ev)
{
if (ARDOUR_UI_UTILS::key_is_legal_for_numeric_entry (ev->keyval)) {
/* drop through to normal handling */
return false;
}
/* illegal key for gain entry */
return true;
}
bool
GainMeterBase::peak_button_press (GdkEventButton* ev)
{
return true;
}
bool
GainMeterBase::peak_button_release (GdkEventButton* ev)
{
/* reset peak label */
if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier|Keyboard::TertiaryModifier)) {
ResetAllPeakDisplays ();
} else if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
if (_route) {
ResetGroupPeakDisplays (_route->route_group());
}
} else {
ResetRoutePeakDisplays (_route.get());
}
return true;
}
void
GainMeterBase::reset_peak_display ()
{
if (!_route) {
// catch "reset all" for VCAs
return;
}
_meter->reset_max();
level_meter->clear_meters();
max_peak = minus_infinity ();
peak_display.set_text (_("-inf"));
peak_display.set_name ("MixerStripPeakDisplay");
}
void
GainMeterBase::reset_route_peak_display (Route* route)
{
if (_route && _route.get() == route) {
reset_peak_display ();
}
}
void
GainMeterBase::reset_group_peak_display (RouteGroup* group)
{
if (_route && group == _route->route_group()) {
reset_peak_display ();
}
}
void
GainMeterBase::popup_meter_menu (GdkEventButton *ev)
{
using namespace Menu_Helpers;
if (meter_menu == 0) {
meter_menu = new Gtk::Menu;
MenuList& items = meter_menu->items();
items.push_back (MenuElem ("-inf .. +0dBFS"));
items.push_back (MenuElem ("-10dB .. +0dBFS"));
items.push_back (MenuElem ("-4 .. +0dBFS"));
items.push_back (SeparatorElem());
items.push_back (MenuElem ("-inf .. -2dBFS"));
items.push_back (MenuElem ("-10dB .. -2dBFS"));
items.push_back (MenuElem ("-4 .. -2dBFS"));
}
meter_menu->popup (1, ev->time);
}
bool
GainMeterBase::gain_focused (GdkEventFocus* ev)
{
if (ev->in) {
gain_display.select_region (0, -1);
} else {
gain_display.select_region (0, 0);
}
return false;
}
void
GainMeterBase::gain_activated ()
{
float f;
// Use the user's preferred locale/LC_NUMERIC setting
if (sscanf (gain_display.get_text().c_str(), "%f", &f) != 1) {
return;
}
/* clamp to displayable values */
if (_data_type == DataType::AUDIO) {
f = min (f, 6.0f);
_control->set_value (dB_to_coefficient(f), Controllable::UseGroup);
} else {
f = min (fabs (f), 2.0f);
_control->set_value (f, Controllable::UseGroup);
}
if (gain_display.has_focus()) {
Gtk::Widget* w = gain_display.get_toplevel();
if (w) {
Gtk::Window* win = dynamic_cast<Gtk::Window*> (w);
/* sigh. gtkmm doesn't wrap get_default_widget() */
if (win) {
GtkWidget* f = gtk_window_get_default_widget (win->gobj());
if (f) {
gtk_widget_grab_focus (f);
return;
}
}
}
}
}
void
GainMeterBase::show_gain ()
{
char buf[32];
float v = gain_adjustment.get_value();
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())));
}
break;
case DataType::MIDI:
snprintf (buf, sizeof (buf), "%.1f", v);
break;
}
gain_display.set_text (buf);
}
void
GainMeterBase::fader_moved ()
{
if (!ignore_toggle) {
gain_t value;
/* convert from adjustment range (0..1) to gain coefficient */
if (_data_type == DataType::AUDIO) {
value = slider_position_to_gain_with_max (gain_adjustment.get_value(), Config->get_max_gain());
} else {
value = gain_adjustment.get_value();
}
// XXX hack allow to override group
// (this breaks group'ed shift+click reset)
if (Keyboard::the_keyboard().key_is_down (GDK_Shift_R)
|| Keyboard::the_keyboard().key_is_down (GDK_Shift_L)) {
_control->set_value (value, Controllable::InverseGroup);
} else {
_control->set_value (value, Controllable::UseGroup);
}
}
show_gain ();
}
void
GainMeterBase::effective_gain_display ()
{
gain_t fader_position = 0;
switch (_data_type) {
case DataType::AUDIO:
/* the position of the fader should reflect any master gain,
* not just the control's own inherent value
*/
fader_position = gain_to_slider_position_with_max (_control->get_value(), Config->get_max_gain());
break;
case DataType::MIDI:
fader_position = _control->get_value ();
break;
}
if (gain_adjustment.get_value() != fader_position) {
ignore_toggle = true;
gain_adjustment.set_value (fader_position);
ignore_toggle = false;
}
}
void
GainMeterBase::gain_changed ()
{
ENSURE_GUI_THREAD (*this, &GainMeterBase::gain_automation_state_changed);
effective_gain_display ();
}
void
GainMeterBase::set_meter_strip_name (const char * name)
{
char tmp[256];
meter_metric_area.set_name (name);
sprintf(tmp, "Mark%sLeft", name);
meter_ticks1_area.set_name (tmp);
sprintf(tmp, "Mark%sRight", name);
meter_ticks2_area.set_name (tmp);
}
void
GainMeterBase::set_fader_name (const char * name)
{
gain_slider->set_name (name);
}
void
GainMeterBase::update_gain_sensitive ()
{
bool x = !(_control->alist()->automation_state() & Play);
static_cast<ArdourWidgets::SliderController*>(gain_slider)->set_sensitive (x);
}
gint
GainMeterBase::meter_press(GdkEventButton* ev)
{
if (!_route) {
return false;
}
if (!ignore_toggle) {
switch (ev->button) {
case 1:
if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
/* Primary+Tertiary-click applies change to all routes */
meter_point_change_target = MeterPointChangeAll;
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
/* Primary-click: apply change to all routes in group */
meter_point_change_target = MeterPointChangeGroup;
} else {
/* click: change just this route */
meter_point_change_target = MeterPointChangeSingle;
}
Gtkmm2ext::anchored_menu_popup(&meter_point_menu,
&meter_point_button,
"", 1, ev->time);
break;
default:
break;
}
}
return true;
}
void
GainMeterBase::set_meter_point (Route& route, MeterPoint mp)
{
route.set_meter_point (mp);
}
void
GainMeterBase::set_route_group_meter_point (Route& route, MeterPoint mp)
{
RouteGroup* route_group;
if ((route_group = route.route_group ()) != 0) {
route_group->foreach_route (boost::bind (&Route::set_meter_point, _1, mp, false));
} else {
route.set_meter_point (mp);
}
}
void
GainMeterBase::meter_point_clicked (MeterPoint mp)
{
if (_route) {
switch (meter_point_change_target) {
case MeterPointChangeAll:
_session->foreach_route (this, &GainMeterBase::set_meter_point, mp);
break;
case MeterPointChangeGroup:
set_route_group_meter_point (*_route, mp);
break;
case MeterPointChangeSingle:
_route->set_meter_point (mp);
break;
}
}
}
void
GainMeterBase::amp_start_touch ()
{
_control->start_touch (_control->session().transport_sample());
}
void
GainMeterBase::amp_stop_touch ()
{
_control->stop_touch (_control->session().transport_sample());
effective_gain_display ();
}
gint
GainMeterBase::gain_automation_state_button_event (GdkEventButton *ev)
{
if (ev->type == GDK_BUTTON_RELEASE) {
return TRUE;
}
switch (ev->button) {
case 1:
gain_astate_propagate = Keyboard::modifier_state_contains (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier | Keyboard::TertiaryModifier));
Gtkmm2ext::anchored_menu_popup(&gain_astate_menu,
&gain_automation_state_button,
"", 1, ev->time);
break;
default:
break;
}
return TRUE;
}
string
GainMeterBase::astate_string (AutoState state)
{
return _astate_string (state, false);
}
string
GainMeterBase::short_astate_string (AutoState state)
{
return _astate_string (state, true);
}
string
GainMeterBase::_astate_string (AutoState state, bool shrt)
{
string sstr;
switch (state) {
case ARDOUR::Off:
sstr = (shrt ? "M" : S_("Manual|M"));
break;
case Play:
sstr = (shrt ? "P" : S_("Play|P"));
break;
case Touch:
sstr = (shrt ? "T" : S_("Trim|T"));
break;
case Latch:
sstr = (shrt ? "L" : S_("Latch|L"));
break;
case Write:
sstr = (shrt ? "W" : S_("Write|W"));
break;
}
return sstr;
}
void
GainMeterBase::gain_automation_state_changed ()
{
ENSURE_GUI_THREAD (*this, &GainMeterBase::gain_automation_state_changed);
switch (_width) {
case Wide:
gain_automation_state_button.set_text (astate_string(_control->alist()->automation_state()));
break;
case Narrow:
gain_automation_state_button.set_text (short_astate_string(_control->alist()->automation_state()));
break;
}
const bool automation_watch_required = (_control->alist()->automation_state() != ARDOUR::Off);
if (gain_automation_state_button.get_active() != automation_watch_required) {
ignore_toggle = true;
gain_automation_state_button.set_active (automation_watch_required);
ignore_toggle = false;
}
update_gain_sensitive ();
gain_watching.disconnect();
}
const ChanCount
GainMeterBase::meter_channels() const
{
if (_meter) { return _meter->input_streams(); }
else { return ChanCount(); }
}
void
GainMeterBase::update_meters()
{
char buf[32];
float mpeak = level_meter->update_meters();
if (mpeak > max_peak) {
max_peak = mpeak;
if (mpeak <= -200.0f) {
peak_display.set_text (_("-inf"));
} else {
snprintf (buf, sizeof(buf), "%.1f", mpeak);
peak_display.set_text (buf);
}
}
if (mpeak >= UIConfiguration::instance().get_meter_peak()) {
peak_display.set_name ("MixerStripPeakDisplayPeak");
}
}
void GainMeterBase::color_handler(bool /*dpi*/)
{
setup_meters();
}
void
GainMeterBase::set_width (Width w, int len)
{
_width = w;
int meter_width = 5;
if (_width == Wide && _route && _route->shared_peak_meter()->input_streams().n_total() == 1) {
meter_width = 10;
}
level_meter->setup_meters(len, meter_width);
}
void
GainMeterBase::on_theme_changed()
{
}
void
GainMeterBase::redraw_metrics()
{
meter_metric_area.queue_draw ();
meter_ticks1_area.queue_draw ();
meter_ticks2_area.queue_draw ();
}
#define PX_SCALE(pxmin, dflt) rint(std::max((double)pxmin, (double)dflt * UIConfiguration::instance().get_ui_scale()))
GainMeter::GainMeter (Session* s, int fader_length)
: GainMeterBase (s, false, fader_length, 24)
, gain_display_box(true, 0)
, hbox(true, 2)
{
if (gain_display.get_parent()) {
gain_display.get_parent()->remove (gain_display);
}
gain_display_box.pack_start (gain_display, true, true);
if (peak_display.get_parent()) {
peak_display.get_parent()->remove (gain_display);
}
gain_display_box.pack_start (peak_display, true, true);
meter_metric_area.set_name ("AudioTrackMetrics");
meter_metric_area.set_size_request(PX_SCALE(24, 24), -1);
gain_automation_state_button.set_name ("mixer strip button");
set_tooltip (gain_automation_state_button, _("Fader automation mode"));
gain_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
gain_automation_state_button.set_size_request (PX_SCALE(12, 15), PX_SCALE(12, 15));
fader_vbox.set_spacing (0);
fader_vbox.pack_start (*gain_slider, true, true);
fader_alignment.set (0.5, 0.5, 0.0, 1.0);
fader_alignment.add (fader_vbox);
hbox.pack_start (fader_alignment, true, true);
set_spacing (PX_SCALE(2, 2));
pack_start (gain_display_box, Gtk::PACK_SHRINK);
pack_start (hbox, true, true);
meter_alignment.set (0.5, 0.5, 0.0, 1.0);
meter_alignment.add (*level_meter);
meter_metric_area.signal_expose_event().connect (
sigc::mem_fun(*this, &GainMeter::meter_metrics_expose));
meter_ticks1_area.set_size_request (PX_SCALE(3, 3), -1);
meter_ticks2_area.set_size_request (PX_SCALE(3, 3), -1);
meter_ticks1_area.signal_expose_event().connect (
sigc::mem_fun(*this, &GainMeter::meter_ticks1_expose));
meter_ticks2_area.signal_expose_event().connect (
sigc::mem_fun(*this, &GainMeter::meter_ticks2_expose));
meter_hbox.pack_start (meter_ticks1_area, false, false);
meter_hbox.pack_start (meter_alignment, false, false);
meter_hbox.pack_start (meter_ticks2_area, false, false);
meter_hbox.pack_start (meter_metric_area, false, false);
}
#undef PX_SCALE
GainMeter::~GainMeter () { }
void
GainMeter::set_controls (boost::shared_ptr<Route> r,
boost::shared_ptr<PeakMeter> meter,
boost::shared_ptr<Amp> amp,
boost::shared_ptr<GainControl> control)
{
if (meter_hbox.get_parent()) {
hbox.remove (meter_hbox);
}
// if (gain_automation_state_button.get_parent()) {
// fader_vbox->remove (gain_automation_state_button);
// }
GainMeterBase::set_controls (r, meter, amp, control);
if (_meter) {
_meter->ConfigurationChanged.connect (
model_connections, invalidator (*this), boost::bind (&GainMeter::meter_configuration_changed, this, _1), gui_context()
);
_meter->TypeChanged.connect (
model_connections, invalidator (*this), boost::bind (&GainMeter::meter_type_changed, this, _1), gui_context()
);
meter_configuration_changed (_meter->input_streams ());
}
if (_route) {
_route->active_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::route_active_changed, this), gui_context ());
hbox.pack_start (meter_hbox, true, true);
meter_hbox.show ();
}
// if (r && !r->is_auditioner()) {
// fader_vbox->pack_start (gain_automation_state_button, false, false, 0);
// }
gain_display_box.show ();
gain_display.show ();
gain_slider->show ();
fader_vbox.show ();
fader_alignment.show ();
hbox.show ();
setup_meters ();
}
int
GainMeter::get_gm_width ()
{
Gtk::Requisition sz;
int min_w = 0;
sz.width = 0;
meter_metric_area.size_request (sz);
min_w += sz.width;
level_meter->size_request (sz);
min_w += sz.width;
fader_alignment.size_request (sz);
if (_width == Wide)
return max(sz.width * 2, min_w * 2) + 6;
else
return sz.width + min_w + 6;
}
gint
GainMeter::meter_metrics_expose (GdkEventExpose *ev)
{
if (!_route) {
if (_types.empty()) { _types.push_back(DataType::AUDIO); }
return meter_expose_metrics(ev, MeterPeak, _types, &meter_metric_area);
}
return meter_expose_metrics(ev, _route->meter_type(), _types, &meter_metric_area);
}
gint
GainMeter::meter_ticks1_expose (GdkEventExpose *ev)
{
if (!_route) {
if (_types.empty()) { _types.push_back(DataType::AUDIO); }
return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks1_area);
}
return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks1_area);
}
gint
GainMeter::meter_ticks2_expose (GdkEventExpose *ev)
{
if (!_route) {
if (_types.empty()) { _types.push_back(DataType::AUDIO); }
return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks2_area);
}
return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks2_area);
}
void
GainMeter::on_style_changed (const Glib::RefPtr<Gtk::Style>&)
{
gain_display.queue_draw();
peak_display.queue_draw();
}
boost::shared_ptr<PBD::Controllable>
GainMeterBase::get_controllable()
{
if (_amp) {
return _control;
} else {
return boost::shared_ptr<PBD::Controllable>();
}
}
bool
GainMeterBase::level_meter_button_press (GdkEventButton* ev)
{
return static_cast<bool>(LevelMeterButtonPress (ev)); /* EMIT SIGNAL */
}
void
GainMeter::meter_configuration_changed (ChanCount c)
{
int type = 0;
_types.clear ();
for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
if (c.get (*i) > 0) {
_types.push_back (*i);
type |= 1 << (*i);
}
}
if (_route
&& boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
&& boost::dynamic_pointer_cast<MidiTrack>(_route) == 0
) {
if (_route->active()) {
set_meter_strip_name ("AudioBusMetrics");
} else {
set_meter_strip_name ("AudioBusMetricsInactive");
}
}
else if (
(type == (1 << DataType::MIDI))
|| (_route && boost::dynamic_pointer_cast<MidiTrack>(_route))
) {
if (!_route || _route->active()) {
set_meter_strip_name ("MidiTrackMetrics");
} else {
set_meter_strip_name ("MidiTrackMetricsInactive");
}
}
else if (type == (1 << DataType::AUDIO)) {
if (!_route || _route->active()) {
set_meter_strip_name ("AudioTrackMetrics");
} else {
set_meter_strip_name ("AudioTrackMetricsInactive");
}
} else {
if (!_route || _route->active()) {
set_meter_strip_name ("AudioMidiTrackMetrics");
} else {
set_meter_strip_name ("AudioMidiTrackMetricsInactive");
}
}
setup_meters();
meter_clear_pattern_cache(4);
on_style_changed(Glib::RefPtr<Gtk::Style>());
}
void
GainMeter::route_active_changed ()
{
if (_meter) {
meter_configuration_changed (_meter->input_streams ());
}
}
void
GainMeter::meter_type_changed (MeterType t)
{
_route->set_meter_type(t);
RedrawMetrics();
}