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copy VelocityRegionView from AutomationRegionView

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Paul Davis 2022-12-18 20:19:03 -07:00
parent db055df9d8
commit 5c42f6ea71
2 changed files with 426 additions and 0 deletions
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339
gtk2_ardour/velocity_region_view.cc Normal file
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/*
* Copyright (C) 2022 Paul Davis <paul@linuxaudiosystems.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <utility>
#include "pbd/memento_command.h"
#include "ardour/automation_control.h"
#include "ardour/event_type_map.h"
#include "ardour/midi_automation_list_binder.h"
#include "ardour/midi_region.h"
#include "ardour/midi_track.h"
#include "ardour/session.h"
#include "gtkmm2ext/keyboard.h"
#include "velocity_region_view.h"
#include "editing.h"
#include "editor.h"
#include "editor_drag.h"
#include "gui_thread.h"
#include "midi_automation_line.h"
#include "public_editor.h"
#include "ui_config.h"
#include "pbd/i18n.h"
using namespace Temporal;
VelocityRegionView::VelocityRegionView (ArdourCanvas::Container* parent,
VelocityTimeAxisView& time_axis,
boost::shared_ptr<ARDOUR::Region> region,
boost::shared_ptr<ARDOUR::AutomationList> list,
double spu,
uint32_t basic_color)
: RegionView(parent, time_axis, region, spu, basic_color, true)
, _parameter(ARDOUR::MidiVelocityAutomation)
{
TimeAxisViewItem::set_position (_region->position(), this);
if (list) {
assert(list->parameter().type() == ARDOUR::MidiVelocityAutomation);
create_line(list);
}
group->raise_to_top();
trackview.editor().MouseModeChanged.connect(_mouse_mode_connection, invalidator (*this),
boost::bind (&VelocityRegionView::mouse_mode_changed, this),
gui_context ());
}
VelocityRegionView::~VelocityRegionView ()
{
in_destructor = true;
RegionViewGoingAway (this); /* EMIT_SIGNAL */
}
void
VelocityRegionView::init (bool /*wfd*/)
{
DisplaySuspender (*this);
RegionView::init (false);
reset_width_dependent_items ((double) _region->length_samples() / samples_per_pixel);
set_height (trackview.current_height());
set_colors ();
}
void
VelocityRegionView::create_line (boost::shared_ptr<ARDOUR::AutomationList> list)
{
_line = boost::shared_ptr<AutomationLine> (new MidiAutomationLine(
ARDOUR::EventTypeMap::instance().to_symbol(list->parameter()),
trackview, *get_canvas_group(), list,
boost::dynamic_pointer_cast<ARDOUR::MidiRegion> (_region),
_parameter));
_line->set_colors();
_line->set_height ((uint32_t)rint(trackview.current_height() - 2.5 - NAME_HIGHLIGHT_SIZE));
_line->set_visibility (AutomationLine::VisibleAspects (AutomationLine::Line|AutomationLine::ControlPoints));
_line->set_maximum_time (timepos_t (_region->length()));
_line->set_offset (_region->start ());
}
uint32_t
VelocityRegionView::get_fill_color() const
{
const std::string mod_name = (_dragging ? "dragging region" :
trackview.editor().internal_editing() ? "editable region" : fill_color_name);
if (_selected) {
return UIConfiguration::instance().color_mod ("selected region base", mod_name);
} else if (high_enough_for_name || !UIConfiguration::instance().get_color_regions_using_track_color()) {
return UIConfiguration::instance().color_mod (fill_color_name, mod_name);
}
return UIConfiguration::instance().color_mod (fill_color, mod_name);
}
void
VelocityRegionView::mouse_mode_changed ()
{
/* Adjust frame colour (become more transparent for internal tools) */
set_frame_color();
}
bool
VelocityRegionView::canvas_group_event (GdkEvent* ev)
{
if (in_destructor) {
return false;
}
PublicEditor& e = trackview.editor ();
if (trackview.editor().internal_editing() &&
ev->type == GDK_BUTTON_RELEASE &&
ev->button.button == 1 &&
e.current_mouse_mode() == Editing::MouseDraw &&
!e.drags()->active()) {
double x = ev->button.x;
double y = ev->button.y;
/* convert to item coordinates in the time axis view */
velocity_view()->canvas_display()->canvas_to_item (x, y);
/* clamp y */
y = std::max (y, 0.0);
y = std::min (y, _height - NAME_HIGHLIGHT_SIZE);
/* guard points only if primary modifier is used */
bool with_guard_points = Gtkmm2ext::Keyboard::modifier_state_equals (ev->button.state, Gtkmm2ext::Keyboard::PrimaryModifier);
/* the time domain doesn't matter here, because the automation
* list will force the position to its own time domain when
* adding the point.
*/
add_automation_event (ev, timepos_t (e.pixel_to_sample (x)), y, with_guard_points);
return true;
}
return RegionView::canvas_group_event (ev);
}
/** @param when Position is global time position
* @param y y position, relative to our TimeAxisView.
*/
void
VelocityRegionView::add_automation_event (GdkEvent *, timepos_t const & w, double y, bool with_guard_points)
{
boost::shared_ptr<Evoral::Control> c = _region->control(_parameter, true);
boost::shared_ptr<ARDOUR::AutomationControl> ac = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(c);
timepos_t when (w); /* the non-const copy */
if (!_line) {
assert(ac);
create_line(ac->alist());
}
assert(_line);
VelocityTimeAxisView* const view = velocity_view ();
/* compute vertical fractional position */
y = 1.0 - (y / _line->height());
/* snap time */
when = snap_region_time_to_region_time (_region->source_position().distance (when), false);
/* map using line */
_line->view_to_model_coord_y (y);
if (c->list()->size () == 0) {
/* we need the MidiTrack::MidiControl, not the region's (midi model source) control */
boost::shared_ptr<ARDOUR::MidiTrack> mt = boost::dynamic_pointer_cast<ARDOUR::MidiTrack> (view->parent_stripable ());
assert (mt);
boost::shared_ptr<Evoral::Control> mc = mt->control(_parameter);
assert (mc);
y = mc->get_double ();
} else if (UIConfiguration::instance().get_new_automation_points_on_lane()) {
y = c->list()->eval (when);
}
XMLNode& before = _line->the_list()->get_state();
if (_line->the_list()->editor_add (when, y, with_guard_points)) {
if (ac->automation_state () == ARDOUR::Off) {
view->set_automation_state (ARDOUR::Play);
}
if (UIConfiguration::instance().get_automation_edit_cancels_auto_hide () && ac == view->session()->recently_touched_controllable ()) {
RouteTimeAxisView::signal_ctrl_touched (false);
}
view->editor().begin_reversible_command (_("add automation event"));
XMLNode& after = _line->the_list()->get_state();
view->session()->add_command (new MementoCommand<ARDOUR::AutomationList> (_line->memento_command_binder(), &before, &after));
view->editor().commit_reversible_command ();
view->session()->set_dirty ();
}
}
bool
VelocityRegionView::paste (timepos_t const & pos,
unsigned paste_count,
float times,
boost::shared_ptr<const ARDOUR::AutomationList> slist)
{
using namespace ARDOUR;
VelocityTimeAxisView* const view = velocity_view();
boost::shared_ptr<ARDOUR::AutomationList> my_list = _line->the_list();
if (view->session()->transport_rolling() && my_list->automation_write()) {
/* do not paste if this control is in write mode and we're rolling */
return false;
}
timecnt_t len = slist->length();
timepos_t p (pos);
/* add multi-paste offset if applicable */
p += view->editor ().get_paste_offset (pos, paste_count > 0 ? 1 : 0, len);
timepos_t model_pos = pos;
/* potentially snap */
view->editor().snap_to (model_pos, Temporal::RoundNearest);
/* convert timeline position to model's (source-relative) position */
model_pos = timepos_t (_region->source_position().distance (model_pos));
XMLNode& before = my_list->get_state();
my_list->paste (*slist, model_pos);
view->session()->add_command(new MementoCommand<ARDOUR::AutomationList>(_line->memento_command_binder(), &before, &my_list->get_state()));
return true;
}
void
VelocityRegionView::set_height (double h)
{
RegionView::set_height(h);
if (_line) {
_line->set_height ((uint32_t)rint(h - 2.5 - NAME_HIGHLIGHT_SIZE));
}
}
bool
VelocityRegionView::set_position (timepos_t const & pos, void* src, double* ignored)
{
if (_line) {
_line->set_maximum_time (timepos_t (_region->length ()));
}
return RegionView::set_position(pos, src, ignored);
}
void
VelocityRegionView::reset_width_dependent_items (double pixel_width)
{
RegionView::reset_width_dependent_items(pixel_width);
if (_line) {
_line->reset ();
}
}
void
VelocityRegionView::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 (timepos_t (_region->length()));
}
}
void
VelocityRegionView::tempo_map_changed ()
{
if (_line) {
_line->tempo_map_changed ();
}
set_position (_region->position(), 0, 0);
set_duration (_region->length(), 0);
}
void
VelocityRegionView::entered ()
{
if (_line) {
_line->track_entered();
}
}
void
VelocityRegionView::exited ()
{
if (_line) {
_line->track_exited();
}
}

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gtk2_ardour/velocity_region_view.h Normal file
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/*
* Copyright (C) 2007-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2010 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __gtk_ardour_velocity_region_view_h__
#define __gtk_ardour_velocity_region_view_h__
#include "ardour/types.h"
#include "region_view.h"
#include "velocity_time_axis.h"
#include "automation_line.h"
#include "enums.h"
namespace ARDOUR {
class AutomationList;
class Parameter;
};
class TimeAxisView;
class VelocityRegionView : public RegionView
{
public:
VelocityRegionView(ArdourCanvas::Container*,
VelocityTimeAxisView&,
boost::shared_ptr<ARDOUR::Region>,
boost::shared_ptr<ARDOUR::AutomationList>,
double initial_samples_per_pixel,
uint32_t basic_color);
~VelocityRegionView();
void init (bool wfd);
bool paste (Temporal::timepos_t const & pos,
unsigned paste_count,
float times,
boost::shared_ptr<const ARDOUR::AutomationList> slist);
inline VelocityTimeAxisView* velocity_view() const
{ return dynamic_cast<VelocityTimeAxisView*>(&trackview); }
// We are a ghost. Meta ghosts? Crazy talk.
virtual GhostRegion* add_ghost(TimeAxisView&) { return 0; }
uint32_t get_fill_color() const;
void set_height (double);
void reset_width_dependent_items(double pixel_width);
void tempo_map_changed ();
protected:
void create_line(boost::shared_ptr<ARDOUR::AutomationList> list);
bool set_position(Temporal::timepos_t const & pos, void* src, double* ignored);
void region_resized (const PBD::PropertyChange&);
bool canvas_group_event(GdkEvent* ev);
void add_automation_event (GdkEvent* event, Temporal::timepos_t const & when, double y, bool with_guard_points);
void mouse_mode_changed ();
void entered();
void exited();
void _redisplay (bool) {}
private:
Evoral::Parameter _parameter;
boost::shared_ptr<AutomationLine> _line;
PBD::ScopedConnection _mouse_mode_connection;
};
#endif /* __gtk_ardour_velocity_region_view_h__ */