git-svn-id: svn://localhost/ardour2/branches/3.0@4374 d708f5d6-7413-0410-9779-e7cbd77b26cf
181 lines
4.7 KiB
C++
181 lines
4.7 KiB
C++
/*
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Copyright (C) 2007 Paul Davis
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Author: Dave Robillard
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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/memento_command.h>
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#include "automation_region_view.h"
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#include "public_editor.h"
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#include "i18n.h"
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AutomationRegionView::AutomationRegionView(ArdourCanvas::Group* parent,
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AutomationTimeAxisView& time_axis,
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boost::shared_ptr<ARDOUR::Region> region,
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const Evoral::Parameter& param,
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boost::shared_ptr<ARDOUR::AutomationList> list,
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double spu,
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Gdk::Color& basic_color)
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: RegionView(parent, time_axis, region, spu, basic_color)
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, _parameter(param)
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{
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if (list) {
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assert(list->parameter() == param);
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create_line(list);
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}
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group->signal_event().connect (mem_fun (this, &AutomationRegionView::canvas_event), false);
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}
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void
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AutomationRegionView::init (Gdk::Color& basic_color, bool wfd)
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{
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_enable_display = false;
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RegionView::init(basic_color, false);
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compute_colors (basic_color);
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reset_width_dependent_items ((double) _region->length() / samples_per_unit);
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set_height (trackview.current_height());
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_region->StateChanged.connect (mem_fun(*this, &AutomationRegionView::region_changed));
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set_colors ();
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_enable_display = true;
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}
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void
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AutomationRegionView::create_line (boost::shared_ptr<ARDOUR::AutomationList> list)
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{
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_line = boost::shared_ptr<AutomationLine>(new AutomationLine(
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ARDOUR::EventTypeMap::instance().to_symbol(list->parameter()),
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trackview, *get_canvas_group(), list));
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_line->set_colors();
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_line->show();
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_line->show_all_control_points();
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_line->set_height ((uint32_t)rint(trackview.current_height() - NAME_HIGHLIGHT_SIZE));
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}
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bool
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AutomationRegionView::canvas_event(GdkEvent* ev)
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{
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if (ev->type == GDK_BUTTON_RELEASE) {
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const nframes_t when = trackview.editor().pixel_to_frame((nframes_t)ev->button.x)
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- _region->position();
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add_automation_event(ev, when, ev->button.y);
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}
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return false;
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}
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void
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AutomationRegionView::add_automation_event (GdkEvent* event, nframes_t when, double y)
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{
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if (!_line) {
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boost::shared_ptr<Evoral::Control> c = _region->control(_parameter, true);
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boost::shared_ptr<ARDOUR::AutomationControl> ac
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= boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(c);
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assert(ac);
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create_line(ac->alist());
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}
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assert(_line);
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double x = 0;
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AutomationTimeAxisView* const view = automation_view();
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view->canvas_display()->w2i (x, y);
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/* compute vertical fractional position */
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const double h = trackview.current_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2;
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y = 1.0 - (y / h);
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/* map using line */
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_line->view_to_model_y (y);
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view->session().begin_reversible_command (_("add automation event"));
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XMLNode& before = _line->the_list()->get_state();
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_line->the_list()->add (when, y);
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XMLNode& after = _line->the_list()->get_state();
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view->session().commit_reversible_command (new MementoCommand<ARDOUR::AutomationList>(
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*_line->the_list(), &before, &after));
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view->session().set_dirty ();
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}
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void
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AutomationRegionView::set_height (double h)
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{
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RegionView::set_height(h);
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if (_line)
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_line->set_height ((uint32_t)rint(h - NAME_HIGHLIGHT_SIZE));
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}
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bool
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AutomationRegionView::set_position (nframes_t pos, void* src, double* ignored)
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{
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// Do nothing, region parent will move us
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//return false;
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return RegionView::set_position(pos, src, ignored); // FIXME: eventually...
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}
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void
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AutomationRegionView::reset_width_dependent_items (double pixel_width)
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{
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RegionView::reset_width_dependent_items(pixel_width);
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if (_line)
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_line->reset();
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}
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void
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AutomationRegionView::region_resized (ARDOUR::Change what_changed)
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{
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RegionView::region_resized(what_changed);
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if (_line)
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_line->reset();
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}
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void
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AutomationRegionView::entered()
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{
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if (_line)
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_line->track_entered();
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}
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void
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AutomationRegionView::exited()
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{
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if (_line)
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_line->track_exited();
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}
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