diff options
Diffstat (limited to 'gtk2_ardour/processor_automation_time_axis.cc')
| -rw-r--r-- | gtk2_ardour/processor_automation_time_axis.cc | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/gtk2_ardour/processor_automation_time_axis.cc b/gtk2_ardour/processor_automation_time_axis.cc new file mode 100644 index 0000000000..37c996d17e --- /dev/null +++ b/gtk2_ardour/processor_automation_time_axis.cc @@ -0,0 +1,174 @@ +/* + Copyright (C) 2003 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 <ardour/processor.h> +#include <ardour/session.h> +#include <cstdlib> +#include <pbd/memento_command.h> + +#include "processor_automation_time_axis.h" +#include "automation_line.h" +#include "canvas_impl.h" + +#include "i18n.h" + +using namespace ARDOUR; +using namespace PBD; +using namespace Gtk; + +ProcessorAutomationTimeAxisView::ProcessorAutomationTimeAxisView (Session& s, boost::shared_ptr<Route> r, + PublicEditor& e, TimeAxisView& parent, Canvas& canvas, std::string n, + ParamID param, Processor& proc, string state_name) + + : AxisView (s), + AutomationTimeAxisView (s, r, e, parent, canvas, n, state_name, proc.name()), + _processor(proc), + _param (param) + +{ + char buf[32]; + _xml_node = 0; + _marked_for_display = false; + + ensure_xml_node (); + + XMLNodeList kids; + XMLNodeConstIterator iter; + + kids = _xml_node->children (); + + snprintf (buf, sizeof(buf), "Port_%" PRIu32, param.id()); + + for (iter = kids.begin(); iter != kids.end(); ++iter) { + if ((*iter)->name() == buf) { + + XMLProperty *shown = (*iter)->property("shown_editor"); + + if (shown && shown->value() == "yes") { + _marked_for_display = true; + } + break; + } + } +} + +ProcessorAutomationTimeAxisView::~ProcessorAutomationTimeAxisView () +{ +} + +void +ProcessorAutomationTimeAxisView::add_automation_event (ArdourCanvas::Item* item, GdkEvent* event, nframes_t when, double y) +{ + double x = 0; + + canvas_display->w2i (x, y); + + /* compute vertical fractional position */ + + if (y < 0) + y = 0; + else if (y > height) + y = height; + + y = 1.0 - (y / height); + + /* map to model space */ + + if (!lines.empty()) { + AutomationList* alist (_processor.automation_list(_param, true)); + string description = _("add automation event to "); + description += _processor.describe_parameter (_param); + + lines.front()->view_to_model_y (y); + + _session.begin_reversible_command (description); + XMLNode &before = alist->get_state(); + alist->add (when, y); + XMLNode &after = alist->get_state(); + _session.add_command(new MementoCommand<AutomationList>(*alist, &before, &after)); + _session.commit_reversible_command (); + _session.set_dirty (); + } +} + +void +ProcessorAutomationTimeAxisView::ensure_xml_node () +{ + if (_xml_node == 0) { + if ((_xml_node = _processor.extra_xml ("GUI")) == 0) { + _xml_node = new XMLNode ("GUI"); + _processor.add_extra_xml (*_xml_node); + } + } +} + +guint32 +ProcessorAutomationTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent) +{ + ensure_xml_node (); + update_extra_xml_shown (true); + + return TimeAxisView::show_at (y, nth, parent); +} + +void +ProcessorAutomationTimeAxisView::hide () +{ + ensure_xml_node (); + update_extra_xml_shown (false); + + TimeAxisView::hide (); +} + + +void +ProcessorAutomationTimeAxisView::update_extra_xml_shown (bool editor_shown) +{ + char buf[32]; + + XMLNodeList nlist = _xml_node->children (); + XMLNodeConstIterator i; + XMLNode * port_node = 0; + + snprintf (buf, sizeof(buf), "Port_%" PRIu32, _param.id()); + + for (i = nlist.begin(); i != nlist.end(); ++i) { + if ((*i)->name() == buf) { + port_node = (*i); + break; + } + } + + if (!port_node) { + port_node = new XMLNode(buf); + _xml_node->add_child_nocopy(*port_node); + } + + port_node->add_property ("shown_editor", editor_shown ? "yes": "no"); + +} + +void +ProcessorAutomationTimeAxisView::set_automation_state (AutoState state) +{ + if (!ignore_state_request) { + _processor.automation_list (_param, true)->set_automation_state (state); + } +} + |