/* Copyright (C) 2007 Paul Davis Author: David Robillard 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 "pbd/memento_command.h" #include "ardour/automation_control.h" #include "ardour/event_type_map.h" #include "ardour/session.h" #include "ardour/source.h" #include "ardour/midi_automation_list_binder.h" #include "ardour/midi_region.h" #include "automation_region_view.h" #include "gui_thread.h" #include "public_editor.h" #include "midi_automation_line.h" #include "editor_drag.h" #include "editor.h" #include "editing.h" #include "i18n.h" AutomationRegionView::AutomationRegionView (ArdourCanvas::Group* parent, AutomationTimeAxisView& time_axis, boost::shared_ptr region, const Evoral::Parameter& param, boost::shared_ptr list, double spu, Gdk::Color const & basic_color) : RegionView(parent, time_axis, region, spu, basic_color, true) , _parameter(param) { if (list) { assert(list->parameter() == param); create_line(list); } group->signal_event().connect (sigc::mem_fun (this, &AutomationRegionView::canvas_event), false); group->raise_to_top(); } AutomationRegionView::~AutomationRegionView () { } void AutomationRegionView::init (Gdk::Color const & basic_color, bool /*wfd*/) { _enable_display = false; RegionView::init(basic_color, false); compute_colors (basic_color); reset_width_dependent_items ((double) _region->length() / samples_per_unit); set_height (trackview.current_height()); set_colors (); _enable_display = true; } void AutomationRegionView::create_line (boost::shared_ptr list) { _line = boost::shared_ptr (new MidiAutomationLine( ARDOUR::EventTypeMap::instance().to_symbol(list->parameter()), trackview, *get_canvas_group(), list, boost::dynamic_pointer_cast (_region), _parameter, &_time_converter)); _line->set_colors(); _line->set_height ((uint32_t)rint(trackview.current_height() - NAME_HIGHLIGHT_SIZE)); _line->show(); _line->show_all_control_points(); _line->set_maximum_time (_region->length()); _line->set_offset (_region->start ()); } bool AutomationRegionView::canvas_event (GdkEvent* ev) { PublicEditor& e = trackview.editor (); if (ev->type == GDK_BUTTON_PRESS && e.current_mouse_mode() == Editing::MouseObject) { /* XXX: icky dcast to Editor */ e.drags()->set (new RubberbandSelectDrag (dynamic_cast (&e), group), ev); } else if (ev->type == GDK_BUTTON_RELEASE) { if (trackview.editor().drags()->active() && trackview.editor().drags()->end_grab (ev)) { return true; } double x = ev->button.x; double y = ev->button.y; /* convert to item coordinates in the time axis view */ automation_view()->canvas_display()->w2i (x, y); /* clamp y */ y = max (y, 0.0); y = min (y, _height - NAME_HIGHLIGHT_SIZE); add_automation_event (ev, trackview.editor().pixel_to_frame (x) - _region->position(), y); } return false; } /** @param when Position in frames, where 0 is the start of the region. * @param y y position, relative to our TimeAxisView. */ void AutomationRegionView::add_automation_event (GdkEvent *, framepos_t when, double y) { if (!_line) { boost::shared_ptr c = _region->control(_parameter, true); boost::shared_ptr ac = boost::dynamic_pointer_cast(c); assert(ac); create_line(ac->alist()); } assert(_line); AutomationTimeAxisView* const view = automation_view (); /* compute vertical fractional position */ const double h = trackview.current_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2; y = 1.0 - (y / h); /* map using line */ double when_d = when; _line->view_to_model_coord (when_d, y); view->session()->begin_reversible_command (_("add automation event")); XMLNode& before = _line->the_list()->get_state(); _line->the_list()->add (when_d, y); XMLNode& after = _line->the_list()->get_state(); /* XXX: hack! */ boost::shared_ptr mr = boost::dynamic_pointer_cast (_region); assert (mr); view->session()->commit_reversible_command ( new MementoCommand (new ARDOUR::MidiAutomationListBinder (mr->midi_source(), _parameter), &before, &after) ); view->session()->set_dirty (); } void AutomationRegionView::set_height (double h) { RegionView::set_height(h); if (_line) { _line->set_height ((uint32_t)rint(h - NAME_HIGHLIGHT_SIZE)); } } bool AutomationRegionView::set_position (framepos_t pos, void* src, double* ignored) { if (_line) { _line->set_maximum_time (_region->length ()); } return RegionView::set_position(pos, src, ignored); } void AutomationRegionView::reset_width_dependent_items (double pixel_width) { RegionView::reset_width_dependent_items(pixel_width); if (_line) { _line->reset(); } } void AutomationRegionView::region_resized (const PBD::PropertyChange& what_changed) { RegionView::region_resized (what_changed); if (!_line) { return; } if (what_changed.contains (ARDOUR::Properties::start)) { _line->set_offset (_region->start ()); } if (what_changed.contains (ARDOUR::Properties::length)) { _line->set_maximum_time (_region->length()); } } void AutomationRegionView::entered (bool) { if (_line) { _line->track_entered(); } } void AutomationRegionView::exited () { if (_line) { _line->track_exited(); } }