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/*
Copyright (C) 2016 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 <string>
#include <gtkmm/menu.h>
#include "pbd/convert.h"
#include "ardour/session.h"
#include "ardour/stripable.h"
#include "ardour/types.h"
#include "ardour/vca.h"
#include "ardour/vca_manager.h"
#include "gtkmm2ext/gtk_ui.h"
#include "gtkmm2ext/utils.h"
#include "ardour_button.h"
#include "control_slave_ui.h"
#include "gui_thread.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace Gtk;
using std::string;
ControlSlaveUI::ControlSlaveUI (Session* s)
: SessionHandlePtr (s)
, initial_button (ArdourButton::default_elements)
{
set_no_show_all (true);
Gtkmm2ext::UI::instance()->set_tip (*this, _("Control Masters"));
initial_button.set_no_show_all (true);
initial_button.set_name (X_("vca assign"));
initial_button.set_text (_("-vca-"));
initial_button.show ();
initial_button.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
initial_button.signal_button_release_event().connect (sigc::bind (sigc::mem_fun (*this, &ControlSlaveUI::vca_button_release), 0), false);
pack_start (initial_button, true, true);
}
void
ControlSlaveUI::set_stripable (boost::shared_ptr<Stripable> s)
{
connections.drop_connections ();
stripable = s;
if (stripable) {
boost::shared_ptr<GainControl> ac = stripable->gain_control();
assert (ac);
ac->MasterStatusChange.connect (connections,
invalidator (*this),
boost::bind (&ControlSlaveUI::update_vca_display, this),
gui_context());
stripable->DropReferences.connect (connections, invalidator (*this), boost::bind (&ControlSlaveUI::set_stripable, this, boost::shared_ptr<Stripable>()), gui_context());
}
update_vca_display ();
}
void
ControlSlaveUI::update_vca_display ()
{
if (!_session || _session->deletion_in_progress()) {
return;
}
VCAList vcas (_session->vca_manager().vcas());
bool any = false;
Gtkmm2ext::container_clear (*this);
master_connections.drop_connections ();
if (stripable) {
for (VCAList::iterator v = vcas.begin(); v != vcas.end(); ++v) {
if (stripable->gain_control()->slaved_to ((*v)->gain_control())) {
add_vca_button (*v);
any = true;
}
}
}
if (!any) {
pack_start (initial_button, true, true);
}
show ();
}
void
ControlSlaveUI::vca_menu_toggle (Gtk::CheckMenuItem* menuitem, uint32_t n)
{
boost::shared_ptr<VCA> vca = _session->vca_manager().vca_by_number (n);
if (!vca) {
return;
}
boost::shared_ptr<Slavable> sl = boost::dynamic_pointer_cast<Slavable> (stripable);
if (!sl) {
return;
}
if (!menuitem->get_active()) {
sl->unassign (vca);
} else {
sl->assign (vca);
}
}
void
ControlSlaveUI::unassign_all ()
{
boost::shared_ptr<Slavable> sl = boost::dynamic_pointer_cast<Slavable> (stripable);
if (!sl) {
return;
}
sl->unassign (boost::shared_ptr<VCA>());
}
bool
ControlSlaveUI::specific_vca_button_release (GdkEventButton* ev, uint32_t n)
{
return vca_button_release (ev, n);
}
bool
ControlSlaveUI::vca_button_release (GdkEventButton* ev, uint32_t n)
{
using namespace Gtk::Menu_Helpers;
if (!_session) {
return false;
}
/* primary click only */
if (ev->button != 1) {
return false;
}
if (!stripable) {
/* no route - nothing to do */
return false;
}
VCAList vcas (_session->vca_manager().vcas());
if (vcas.empty()) {
/* the button should not have been visible under these conditions */
return true;
}
Menu* menu = new Menu;
MenuList& items = menu->items();
bool slaved = false;
for (VCAList::iterator v = vcas.begin(); v != vcas.end(); ++v) {
boost::shared_ptr<GainControl> gcs = stripable->gain_control();
boost::shared_ptr<GainControl> gcm = (*v)->gain_control();
if (gcs == gcm) {
/* asked to slave to self. not ok */
continue;
}
if (gcm->slaved_to (gcs)) {
/* master is already slaved to slave */
continue;
}
items.push_back (CheckMenuElem ((*v)->name()));
Gtk::CheckMenuItem* item = dynamic_cast<Gtk::CheckMenuItem*> (&items.back());
if (gcs->slaved_to (gcm)) {
item->set_active (true);
slaved = true;
}
item->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &ControlSlaveUI::vca_menu_toggle), item, (*v)->number()));
}
if (slaved) {
items.push_back (MenuElem (_("Unassign All"), sigc::mem_fun (*this, &ControlSlaveUI::unassign_all)));
}
if (!items.empty()) {
menu->popup (1, ev->time);
}
return true;
}
void
ControlSlaveUI::add_vca_button (boost::shared_ptr<VCA> vca)
{
ArdourButton* vca_button = manage (new ArdourButton (ArdourButton::default_elements));
vca_button->set_no_show_all (true);
vca_button->set_name (X_("vca assign"));
vca_button->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
vca_button->signal_button_release_event().connect (sigc::bind (sigc::mem_fun (*this, &ControlSlaveUI::specific_vca_button_release), vca->number()), false);
vca_button->set_text (PBD::to_string (vca->number(), std::dec));
vca_button->set_fixed_colors (vca->presentation_info().color(), vca->presentation_info().color ());
vca->presentation_info().PropertyChanged.connect (master_connections, invalidator (*this), boost::bind (&ControlSlaveUI::master_property_changed, this, _1), gui_context());
pack_start (*vca_button);
vca_button->show ();
}
void
ControlSlaveUI::master_property_changed (PBD::PropertyChange const& /* what_changed */)
{
update_vca_display ();
}
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