294 lines
8.8 KiB
C++
294 lines
8.8 KiB
C++
/*
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Copyright (C) 2011 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "pbd/error.h"
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#include "pbd/convert.h"
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#include "pbd/compose.h"
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#include "ardour/boost_debug.h"
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#include "ardour/debug.h"
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#include "ardour/automation_control.h"
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#include "ardour/automation_list.h"
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#include "ardour/pannable.h"
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#include "ardour/panner.h"
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#include "ardour/pan_controllable.h"
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#include "ardour/session.h"
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#include "pbd/i18n.h"
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using namespace std;
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using namespace PBD;
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using namespace ARDOUR;
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Pannable::Pannable (Session& s)
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: Automatable (s)
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, SessionHandleRef (s)
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, pan_azimuth_control (new PanControllable (s, "", this, PanAzimuthAutomation))
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, pan_elevation_control (new PanControllable (s, "", this, PanElevationAutomation))
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, pan_width_control (new PanControllable (s, "", this, PanWidthAutomation))
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, pan_frontback_control (new PanControllable (s, "", this, PanFrontBackAutomation))
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, pan_lfe_control (new PanControllable (s, "", this, PanLFEAutomation))
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, _auto_state (Off)
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, _auto_style (Absolute)
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, _has_state (false)
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, _responding_to_control_auto_state_change (0)
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{
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//boost_debug_shared_ptr_mark_interesting (this, "pannable");
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add_control (pan_azimuth_control);
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add_control (pan_elevation_control);
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add_control (pan_width_control);
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add_control (pan_frontback_control);
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add_control (pan_lfe_control);
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/* all controls change state together */
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pan_azimuth_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
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pan_elevation_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
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pan_width_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
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pan_frontback_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
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pan_lfe_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
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pan_azimuth_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
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pan_elevation_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
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pan_width_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
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pan_frontback_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
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pan_lfe_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
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}
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Pannable::~Pannable ()
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{
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DEBUG_TRACE (DEBUG::Destruction, string_compose ("pannable @ %1 destructor\n", this));
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}
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void
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Pannable::control_auto_state_changed (AutoState new_state)
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{
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if (_responding_to_control_auto_state_change) {
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return;
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}
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_responding_to_control_auto_state_change++;
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pan_azimuth_control->set_automation_state (new_state);
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pan_width_control->set_automation_state (new_state);
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pan_elevation_control->set_automation_state (new_state);
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pan_frontback_control->set_automation_state (new_state);
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pan_lfe_control->set_automation_state (new_state);
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_responding_to_control_auto_state_change--;
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_auto_state = new_state;
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automation_state_changed (new_state); /* EMIT SIGNAL */
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}
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void
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Pannable::set_panner (boost::shared_ptr<Panner> p)
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{
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_panner = p;
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}
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void
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Pannable::value_changed ()
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{
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if (!has_state ()) {
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// prevent the GUI from resetting panners
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// e.g. when switching to aux-sends and back.
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_has_state = true;
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}
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_session.set_dirty ();
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}
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void
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Pannable::set_automation_state (AutoState state)
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{
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if (state != _auto_state) {
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_auto_state = state;
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const Controls& c (controls());
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for (Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
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boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl>(ci->second);
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if (ac) {
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ac->alist()->set_automation_state (state);
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}
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}
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session().set_dirty ();
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automation_state_changed (_auto_state);
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}
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}
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void
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Pannable::set_automation_style (AutoStyle style)
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{
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if (style != _auto_style) {
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_auto_style = style;
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const Controls& c (controls());
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for (Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
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boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl>(ci->second);
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if (ac) {
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ac->alist()->set_automation_style (style);
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}
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}
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session().set_dirty ();
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automation_style_changed ();
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}
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}
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void
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Pannable::start_touch (double when)
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{
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const Controls& c (controls());
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for (Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
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boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl>(ci->second);
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if (ac) {
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ac->alist()->start_touch (when);
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}
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}
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g_atomic_int_set (&_touching, 1);
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}
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void
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Pannable::stop_touch (bool mark, double when)
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{
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const Controls& c (controls());
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for (Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
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boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl>(ci->second);
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if (ac) {
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ac->alist()->stop_touch (mark, when);
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}
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}
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g_atomic_int_set (&_touching, 0);
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}
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XMLNode&
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Pannable::get_state ()
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{
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return state (true);
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}
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XMLNode&
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Pannable::state (bool /*full*/)
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{
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LocaleGuard lg;
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XMLNode* node = new XMLNode (X_("Pannable"));
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node->add_child_nocopy (pan_azimuth_control->get_state());
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node->add_child_nocopy (pan_width_control->get_state());
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node->add_child_nocopy (pan_elevation_control->get_state());
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node->add_child_nocopy (pan_frontback_control->get_state());
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node->add_child_nocopy (pan_lfe_control->get_state());
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node->add_child_nocopy (get_automation_xml_state ());
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return *node;
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}
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int
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Pannable::set_state (const XMLNode& root, int version)
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{
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if (root.name() != X_("Pannable")) {
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warning << string_compose (_("Pannable given XML data for %1 - ignored"), root.name()) << endmsg;
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return -1;
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}
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const XMLNodeList& nlist (root.children());
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XMLNodeConstIterator niter;
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for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
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if ((*niter)->name() == Controllable::xml_node_name) {
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XMLProperty const * prop = (*niter)->property (X_("name"));
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if (!prop) {
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continue;
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}
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if (prop->value() == pan_azimuth_control->name()) {
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pan_azimuth_control->set_state (**niter, version);
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} else if (prop->value() == pan_width_control->name()) {
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pan_width_control->set_state (**niter, version);
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} else if (prop->value() == pan_elevation_control->name()) {
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pan_elevation_control->set_state (**niter, version);
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} else if (prop->value() == pan_frontback_control->name()) {
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pan_frontback_control->set_state (**niter, version);
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} else if (prop->value() == pan_lfe_control->name()) {
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pan_lfe_control->set_state (**niter, version);
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}
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} else if ((*niter)->name() == Automatable::xml_node_name) {
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set_automation_xml_state (**niter, PanAzimuthAutomation);
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} else {
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XMLProperty const * prop;
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/* old school (alpha1-6) XML info */
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if ((*niter)->name() == X_("azimuth")) {
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prop = (*niter)->property (X_("value"));
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if (prop) {
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pan_azimuth_control->set_value (atof (prop->value()), Controllable::NoGroup);
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}
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} else if ((*niter)->name() == X_("width")) {
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prop = (*niter)->property (X_("value"));
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if (prop) {
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pan_width_control->set_value (atof (prop->value()), Controllable::NoGroup);
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}
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} else if ((*niter)->name() == X_("elevation")) {
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prop = (*niter)->property (X_("value"));
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if (prop) {
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pan_elevation_control->set_value (atof (prop->value()), Controllable::NoGroup);
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}
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} else if ((*niter)->name() == X_("frontback")) {
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prop = (*niter)->property (X_("value"));
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if (prop) {
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pan_frontback_control->set_value (atof (prop->value()), Controllable::NoGroup);
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}
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} else if ((*niter)->name() == X_("lfe")) {
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prop = (*niter)->property (X_("value"));
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if (prop) {
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pan_lfe_control->set_value (atof (prop->value()), Controllable::NoGroup);
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}
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}
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}
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}
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_has_state = true;
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return 0;
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}
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string
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Pannable::value_as_string (boost::shared_ptr<const AutomationControl> ac) const
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{
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boost::shared_ptr<Panner> p = panner ();
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if (p) {
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return p->value_as_string (ac);
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}
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return Automatable::value_as_string (ac);
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}
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