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livetrax/gtk2_ardour/gain_meter.cc

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/*
* Copyright (C) 2005-2006 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2005-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2006-2007 Doug McLain <doug@nostar.net>
* Copyright (C) 2006-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2007-2016 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2014-2015 Ben Loftis <ben@harrisonconsoles.com>
* Copyright (C) 2016 Julien "_FrnchFrgg_" RIVAUD <frnchfrgg@free.fr>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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/control_group.h"
#include "ardour/logmeter.h"
#include "ardour/route_group.h"
#include "ardour/selection.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 "ardour_ui.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;
Large nasty commit in the form of a 5000 line patch chock-full of completely unecessary changes. (Sorry, doing a "sprint" based thing, this is the end of the first one) Achieved MIDI track and bus creation, associated Jack port and diskstream creation, and minimal GUI stuff for creating them. Should be set to start work on actually recording and playing midi to/from disk now. Relevant (significant) changes: - Creation of a Buffer class. Base class is type agnostic so things can point to a buffer but not care what kind it is (otherwise it'd be a template). Derived into AudioBuffer and MidiBuffer, with a type tag because checking type is necessary in parts of the code where dynamic_cast wouldn't be wise. Originally I considered this a hack, but passing around a type proved to be a very good solution to all the other problems (below). There is a 1:1 mapping between jack port data types and ardour Buffer types (with a conversion function), but that's easily removed if it ever becomes necessary. Having the type scoped in the Buffer class is maybe not the best spot for it, but whatever (this is proof of concept kinda stuff right now...) - IO now has a "default" port type (passed to the constructor and stored as a member), used by ensure_io (and similar) to create n ports. IO::register_***_port has a type argument that defaults to the default type if not passed. Rationale: previous IO API is identical, no changes needed to existing code, but path is paved for multiple port types in one IO, which we will need for eg synth plugin inserts, among other things. This is not quite ideal (best would be to only have the two port register functions and have them take a type), but the alternative is a lot of work (namely destroying the 'ensure' functions and everything that uses them) for very little gain. (I am convinced after quite a few tries at the whiteboard that subclassing IO in any way is not a feasible option, look at it's inheritance diagram in Doxygen and you can see why) - AudioEngine::register_audio_input_port is now register_input_port and takes a type argument. Ditto for output. - (Most significant change) AudioDiskstream abstracted into Distream, and sibling MidiDiskstream created. Very much still a work in progress, but Diskstream is there to switch references over to (most already are), which is the important part. It is still unclear what the MIDI diskstream's relation to channels is, but I'm pretty sure they will be single channel only (so SMF Type 0) since noone can come up with a reason otherwise. - MidiTrack creation. Same thing as AudioTrack but with a different default type basically. No big deal here. - Random cleanups and variable renamings etc. because I have OCD and can't help myself. :) Known broken: Loading of sessions containing MIDI tracks. git-svn-id: svn://localhost/ardour2/branches/midi@641 d708f5d6-7413-0410-9779-e7cbd77b26cf
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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)
, _clear_meters (true)
, _meter_peaked (false)
{
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, std::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, std::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);
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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);
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/* 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.set_can_focus (false);
peak_display.set_editable (false);
gain_automation_state_button.set_name ("mixer strip button");
set_tooltip (gain_automation_state_button, _("Fader automation mode"));
set_tooltip (peak_display, _("dBFS - Digital Peak Hold. Click to reset."));
gain_automation_state_button.set_can_focus (false);
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.set_can_focus (false);
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(meterpt_string(MeterInput),
sigc::bind (sigc::mem_fun (*this,
&GainMeterBase::meter_point_clicked), (MeterPoint) MeterInput)));
meter_point_menu.items().push_back (MenuElem(meterpt_string(MeterPreFader),
sigc::bind (sigc::mem_fun (*this,
&GainMeterBase::meter_point_clicked), (MeterPoint) MeterPreFader)));
meter_point_menu.items().push_back (MenuElem(meterpt_string (MeterPostFader),
sigc::bind (sigc::mem_fun (*this,
&GainMeterBase::meter_point_clicked), (MeterPoint) MeterPostFader)));
meter_point_menu.items().push_back (MenuElem(meterpt_string (MeterOutput),
sigc::bind (sigc::mem_fun (*this,
&GainMeterBase::meter_point_clicked), (MeterPoint) MeterOutput)));
meter_point_menu.items().push_back (MenuElem(meterpt_string (MeterCustom),
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));
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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 (std::shared_ptr<Stripable> s,
std::shared_ptr<PeakMeter> pm,
std::shared_ptr<Amp> amp,
std::shared_ptr<GainControl> control)
{
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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 (std::shared_ptr<PBD::Controllable>());
_meter.reset ();
_amp.reset ();
_stripable.reset ();
_control.reset ();
return;
}
_meter = pm;
_amp = amp;
_stripable = s;
_control = control;
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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 (astate_string (ARDOUR::Off),
sigc::bind (sigc::mem_fun (*this, &GainMeterBase::set_gain_astate), (AutoState) ARDOUR::Off)));
gain_astate_menu.items().push_back (MenuElem (astate_string (ARDOUR::Play),
sigc::bind (sigc::mem_fun (*this, &GainMeterBase::set_gain_astate), (AutoState) ARDOUR::Play)));
gain_astate_menu.items().push_back (MenuElem (astate_string (ARDOUR::Write),
sigc::bind (sigc::mem_fun (*this, &GainMeterBase::set_gain_astate), (AutoState) ARDOUR::Write)));
gain_astate_menu.items().push_back (MenuElem (astate_string (ARDOUR::Touch),
sigc::bind (sigc::mem_fun (*this, &GainMeterBase::set_gain_astate), (AutoState) ARDOUR::Touch)));
gain_astate_menu.items().push_back (MenuElem (astate_string (ARDOUR::Latch),
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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 (_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 ();
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_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)
{
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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();
}
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switch (_width) {
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case Wide:
//meter_ticks1_area.show();
//meter_ticks2_area.show();
meter_metric_area.show();
if (meter_channels == 1) {
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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();
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break;
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}
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level_meter->setup_meters(len, meter_width);
}
void
GainMeter::setup_meters (int len)
{
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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);
}
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break;
case Narrow:
hbox.set_homogeneous(false);
break;
}
GainMeterBase::setup_meters (len);
}
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();
_clear_meters = true;
}
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void
GainMeterBase::reset_route_peak_display (Route* r)
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{
if (route() && route().get() == r) {
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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 (ev->button, 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 */
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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();
}
if (Keyboard::the_keyboard().modifier_state() == Keyboard::group_override_modifier ()) {
if (Config->get_group_override_inverts ()) {
_control->set_value (value, Controllable::InverseGroup);
} else {
_control->set_value (value, Controllable::NoGroup);
}
} 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::set_fader_fg (uint32_t c)
{
gain_slider->set_fg (c);
}
void
GainMeterBase::set_fader_bg (uint32_t c)
{
gain_slider->set_bg (c);
}
void
GainMeterBase::unset_fader_fg ()
{
gain_slider->unset_fg ();
}
void
GainMeterBase::unset_fader_bg ()
{
gain_slider->unset_bg ();
}
void
GainMeterBase::update_gain_sensitive ()
{
bool x = !(_control->alist()->automation_state() & Play);
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static_cast<ArdourWidgets::SliderController*>(gain_slider)->set_sensitive (x);
}
gint
GainMeterBase::meter_press(GdkEventButton* ev)
{
if (!route()) {
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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,
meterpt_string (route()->meter_point()),
1, ev->time);
break;
default:
break;
}
}
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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) {
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route_group->foreach_route (boost::bind (&Route::set_meter_point, _1, mp));
} 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;
}
}
}
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void
GainMeterBase::amp_start_touch (int state)
{
if (_stripable) {
StripableList sl;
_session->selection ().get_stripables_for_op (sl, _stripable, &RouteGroup::is_gain);
_touch_control_group.reset (new GainControlGroup ());
_touch_control_group->set_mode (ControlGroup::Relative);
_touch_control_group->fill_from_stripable_list (sl, _control->parameter());
}
_control->start_touch (timepos_t (_control->session().transport_sample()));
}
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void
GainMeterBase::amp_stop_touch (int state)
{
_control->stop_touch (timepos_t (_control->session().transport_sample()));
if (_touch_control_group) {
_touch_control_group->pop_all ();
_touch_control_group.reset ();
}
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,
astate_string(_control->alist()->automation_state()),
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)
{
switch (state) {
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case ARDOUR::Off:
return shrt ? S_("Manual|M") : S_("Automation|Manual");
case Play:
return shrt ? S_("Play|P") : _("Play");
case Touch:
return shrt ? S_("Touch|T") : _("Touch");
case Latch:
return shrt ? S_("Latch|L") : _("Latch");
case Write:
return shrt ? S_("Write|W"): _("Write");
}
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assert (0);
return "???";
}
string
GainMeterBase::meterpt_string (MeterPoint mp)
{
switch (mp) {
case MeterInput:
return _("Input");
case MeterPreFader:
return _("Pre Fader");
case MeterPostFader:
return _("Post Fader");
case MeterOutput:
return _("Output");
case MeterCustom:
return _("Custom");
}
assert (0);
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return "???"; // make gcc and _FrnchFrgg_ happy
}
void
GainMeterBase::gain_automation_state_changed ()
{
ENSURE_GUI_THREAD (*this, &GainMeterBase::gain_automation_state_changed);
gain_automation_state_button.set_text (short_astate_string(_control->alist()->automation_state()));
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()
{
if (_clear_meters) {
max_peak = minus_infinity ();
level_meter->clear_meters ();
peak_display.set_text (_("-inf"));
peak_display.set_name ("MixerStripPeakDisplay");
_meter_peaked = false;
_clear_meters = false;
}
float mpeak = level_meter->update_meters();
if (mpeak > max_peak) {
max_peak = mpeak;
if (mpeak <= -200.0f) {
peak_display.set_text (_("-inf"));
} else {
char buf[32];
snprintf (buf, sizeof(buf), "%.1f", mpeak);
peak_display.set_text (buf);
}
}
bool peaking = mpeak >= UIConfiguration::instance().get_meter_peak();
if (!_meter_peaked && peaking) {
peak_display.set_name ("MixerStripPeakDisplayPeak");
_meter_peaked = true;
}
}
void GainMeterBase::color_handler(bool /*dpi*/)
{
setup_meters();
}
void
GainMeterBase::set_width (Width w, int len)
{
_width = w;
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int meter_width = 5;
if (_width == Wide && route() && route()->shared_peak_meter()->input_streams().n_total() == 1) {
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meter_width = 10;
}
level_meter->setup_meters(len, meter_width);
}
void
GainMeterBase::on_theme_changed()
{
}
void
GainMeterBase::redraw_metrics()
{
meter_metric_area.queue_draw ();
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meter_ticks1_area.queue_draw ();
meter_ticks2_area.queue_draw ();
}
std::shared_ptr<Route>
GainMeterBase::route ()
{
return std::dynamic_pointer_cast<Route> (_stripable);
}
#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.set_can_focus (false);
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));
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meter_ticks1_area.set_size_request (PX_SCALE(3, 3), -1);
meter_ticks2_area.set_size_request (PX_SCALE(3, 3), -1);
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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);
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meter_hbox.pack_start (meter_alignment, false, false);
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meter_hbox.pack_start (meter_ticks2_area, false, false);
meter_hbox.pack_start (meter_metric_area, false, false);
meter_metric_area.set_no_show_all ();
}
#undef PX_SCALE
GainMeter::~GainMeter () { }
void
GainMeter::set_controls (std::shared_ptr<Stripable> s,
std::shared_ptr<PeakMeter> meter,
std::shared_ptr<Amp> amp,
std::shared_ptr<GainControl> control)
{
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if (meter_hbox.get_parent()) {
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hbox.remove (meter_hbox);
}
// if (gain_automation_state_button.get_parent()) {
// fader_vbox->remove (gain_automation_state_button);
// }
GainMeterBase::set_controls (s, meter, amp, control);
if (_meter) {
_meter->ConfigurationChanged.connect (
model_connections, invalidator (*this), boost::bind (&GainMeter::meter_configuration_changed, this, _1), gui_context()
);
_meter->MeterTypeChanged.connect (
model_connections, invalidator (*this), boost::bind (&GainMeter::redraw_metrics, this), 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 ());
}
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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 ();
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setup_meters ();
}
int
GainMeter::get_gm_width ()
{
Gtk::Requisition sz;
int min_w = 0;
sz.width = 0;
sz = meter_metric_area.size_request ();
min_w += sz.width;
sz = level_meter->size_request ();
min_w += sz.width;
sz = fader_alignment.size_request ();
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if (_width == Wide)
return max(sz.width * 2, min_w * 2) + 6;
else
return sz.width + min_w + 6;
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}
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);
}
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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);
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}
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);
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}
void
GainMeter::on_style_changed (const Glib::RefPtr<Gtk::Style>&)
{
gain_display.queue_draw();
peak_display.queue_draw();
}
std::shared_ptr<PBD::Controllable>
GainMeterBase::get_controllable()
{
if (_amp) {
return _control;
} else {
return std::shared_ptr<PBD::Controllable>();
}
}
bool
GainMeterBase::level_meter_button_press (GdkEventButton* ev)
{
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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);
}
}
bool is_audio_track = route() && std::dynamic_pointer_cast<AudioTrack>(route()) != 0;
bool is_midi_track = route() && std::dynamic_pointer_cast<MidiTrack>(route()) != 0;
if (!is_audio_track && (is_midi_track || /* MIDI Bus */ (type == (1 << DataType::MIDI)))) {
if (!route() || route()->active()) {
set_meter_strip_name ("MidiTrackMetrics");
} else {
set_meter_strip_name ("MidiTrackMetricsInactive");
}
}
else if (route() && (!is_audio_track && !is_midi_track)) {
/* Bus */
if (route()->active()) {
set_meter_strip_name ("AudioBusMetrics");
} else {
set_meter_strip_name ("AudioBusMetricsInactive");
}
}
else {
if (!route() || route()->active()) {
set_meter_strip_name ("AudioTrackMetrics");
} else {
set_meter_strip_name ("AudioTrackMetricsInactive");
}
}
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::redraw_metrics ()
{
GainMeterBase::redraw_metrics ();
}