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livetrax/gtk2_ardour/automation_time_axis.cc

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/*
Copyright (C) 2000-2007 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 <utility>
#include <gtkmm2ext/barcontroller.h>
#include <gtkmm2ext/utils.h>
#include <boost/algorithm/string.hpp>
#include <boost/lexical_cast.hpp>
#include "pbd/error.h"
#include "pbd/memento_command.h"
#include "pbd/stacktrace.h"
#include "ardour/automation_control.h"
#include "ardour/event_type_map.h"
#include "ardour/parameter_types.h"
#include "ardour/profile.h"
#include "ardour/route.h"
#include "ardour/session.h"
#include "canvas/debug.h"
#include "ardour_ui.h"
#include "automation_time_axis.h"
#include "automation_streamview.h"
#include "global_signals.h"
#include "gui_thread.h"
#include "route_time_axis.h"
#include "automation_line.h"
#include "paste_context.h"
#include "public_editor.h"
#include "selection.h"
#include "rgb_macros.h"
#include "point_selection.h"
#include "control_point.h"
#include "utils.h"
#include "item_counts.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace ARDOUR_UI_UTILS;
using namespace PBD;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace Editing;
Pango::FontDescription AutomationTimeAxisView::name_font;
bool AutomationTimeAxisView::have_name_font = false;
/** \a a the automatable object this time axis is to display data for.
* For route/track automation (e.g. gain) pass the route for both \r and \a.
* For route child (e.g. plugin) automation, pass the child for \a.
* For region automation (e.g. MIDI CC), pass null for \a.
*/
AutomationTimeAxisView::AutomationTimeAxisView (
Session* s,
boost::shared_ptr<Route> r,
boost::shared_ptr<Automatable> a,
boost::shared_ptr<AutomationControl> c,
Evoral::Parameter p,
PublicEditor& e,
TimeAxisView& parent,
bool show_regions,
ArdourCanvas::Canvas& canvas,
const string & nom,
const string & nomparent
)
: AxisView (s)
, TimeAxisView (s, e, &parent, canvas)
, _route (r)
, _control (c)
, _automatable (a)
, _parameter (p)
, _base_rect (new ArdourCanvas::Rectangle (_canvas_display))
, _view (show_regions ? new AutomationStreamView (*this) : 0)
, auto_button (X_("")) /* force addition of a label */
, _show_regions (show_regions)
{
//concatenate plugin name and param name into the tooltip
string tipname = nomparent;
if (!tipname.empty()) {
tipname += ": ";
}
tipname += nom;
ARDOUR_UI::instance()->set_tip(controls_ebox, tipname);
//plugin name and param name appear on 2 separate lines in the track header
tipname = nomparent;
if (!tipname.empty()) {
tipname += "\n";
}
tipname += nom;
_name = tipname;
CANVAS_DEBUG_NAME (_canvas_display, string_compose ("main for auto %2/%1", _name, r->name()));
CANVAS_DEBUG_NAME (selection_group, string_compose ("selections for auto %2/%1", _name, r->name()));
CANVAS_DEBUG_NAME (_ghost_group, string_compose ("ghosts for auto %2/%1", _name, r->name()));
if (!have_name_font) {
name_font = get_font_for_style (X_("AutomationTrackName"));
have_name_font = true;
}
if (_automatable && _control) {
_controller = AutomationController::create (_automatable, _control->parameter(), _control->desc(), _control);
}
const std::string fill_color_name = (dynamic_cast<MidiTimeAxisView*>(&parent)
? "midi automation track fill"
: "audio automation track fill");
automation_menu = 0;
auto_off_item = 0;
auto_touch_item = 0;
auto_write_item = 0;
auto_play_item = 0;
mode_discrete_item = 0;
mode_line_item = 0;
ignore_state_request = false;
first_call_to_set_height = true;
CANVAS_DEBUG_NAME (_base_rect, string_compose ("base rect for %1", _name));
_base_rect->set_x1 (ArdourCanvas::COORD_MAX);
_base_rect->set_outline (false);
_base_rect->set_fill_color (ARDOUR_UI::config()->color_mod (fill_color_name, "automation track fill"));
_base_rect->set_data ("trackview", this);
_base_rect->Event.connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_automation_track_event), _base_rect, this));
if (!a) {
_base_rect->lower_to_bottom();
}
hide_button.set_elements ((ArdourButton::Element)(ArdourButton::Edge|ArdourButton::Body|ArdourButton::CloseCross));
hide_button.set_tweaks(ArdourButton::TrackHeader);
auto_button.set_name ("route button");
hide_button.set_name ("route button");
auto_button.unset_flags (Gtk::CAN_FOCUS);
hide_button.unset_flags (Gtk::CAN_FOCUS);
controls_table.set_no_show_all();
ARDOUR_UI::instance()->set_tip(auto_button, _("automation state"));
ARDOUR_UI::instance()->set_tip(hide_button, _("hide track"));
const string str = gui_property ("height");
if (!str.empty()) {
set_height (atoi (str));
} else {
set_height (preset_height (HeightNormal));
}
//name label isn't editable on an automation track; remove the tooltip
ARDOUR_UI::instance()->set_tip (name_label, X_(""));
/* repack the name label */
if (name_label.get_parent()) {
name_label.get_parent()->remove (name_label);
}
name_label.set_text (_name);
name_label.set_alignment (Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER);
name_label.set_name (X_("TrackParameterName"));
name_label.set_ellipsize (Pango::ELLIPSIZE_END);
/* add the buttons */
controls_table.set_border_width (1);
controls_table.remove (name_hbox);
controls_table.attach (hide_button, 1, 2, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
controls_table.attach (name_label, 2, 3, 1, 3, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 2, 0);
controls_table.attach (auto_button, 3, 4, 2, 3, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
Gtk::DrawingArea *blank0 = manage (new Gtk::DrawingArea());
Gtk::DrawingArea *blank1 = manage (new Gtk::DrawingArea());
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&parent);
// TODO use rtv->controls_base_unselected_name
// subscribe to route_active_changed, ...
if (rtv && rtv->is_audio_track()) {
blank0->set_name ("AudioTrackControlsBaseUnselected");
}
else if (rtv && rtv->is_midi_track()) {
blank0->set_name ("MidiTrackControlsBaseUnselected");
}
else {
blank0->set_name ("AudioBusControlsBaseUnselected");
}
blank0->set_size_request (-1, -1);
blank1->set_size_request (1, 0);
VSeparator* separator = manage (new VSeparator());
separator->set_name("TrackSeparator");
separator->set_size_request (1, -1);
controls_button_size_group->add_widget(hide_button);
controls_button_size_group->add_widget(*blank0);
time_axis_hbox.pack_start (*blank0, false, false);
time_axis_hbox.pack_start (*separator, false, false);
time_axis_hbox.reorder_child (*blank0, 0);
time_axis_hbox.reorder_child (*separator, 1);
time_axis_hbox.reorder_child (time_axis_vbox, 2);
if (!ARDOUR::Profile->get_mixbus() ) {
time_axis_hbox.pack_start (*blank1, false, false);
}
blank0->show();
separator->show();
name_label.show ();
hide_button.show ();
if (_controller) {
_controller->disable_vertical_scroll ();
controls_table.attach (*_controller.get(), 2, 4, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
}
controls_table.show_all ();
hide_button.signal_clicked.connect (sigc::mem_fun(*this, &AutomationTimeAxisView::hide_clicked));
auto_button.signal_clicked.connect (sigc::mem_fun(*this, &AutomationTimeAxisView::auto_clicked));
controls_base_selected_name = X_("AutomationTrackControlsBaseSelected");
controls_base_unselected_name = X_("AutomationTrackControlsBase");
controls_ebox.set_name (controls_base_unselected_name);
time_axis_frame.set_name (controls_base_unselected_name);
/* ask for notifications of any new RegionViews */
if (show_regions) {
if (_view) {
_view->attach ();
}
} else {
/* no regions, just a single line for the entire track (e.g. bus gain) */
assert (_control);
boost::shared_ptr<AutomationLine> line (
new AutomationLine (
ARDOUR::EventTypeMap::instance().to_symbol(_parameter),
*this,
*_canvas_display,
_control->alist(),
_control->desc()
)
);
line->set_line_color (ARDOUR_UI::config()->color ("processor automation line"));
line->queue_reset ();
add_line (line);
}
/* make sure labels etc. are correct */
automation_state_changed ();
ColorsChanged.connect (sigc::mem_fun (*this, &AutomationTimeAxisView::color_handler));
_route->DropReferences.connect (
_route_connections, invalidator (*this), boost::bind (&AutomationTimeAxisView::route_going_away, this), gui_context ()
);
}
AutomationTimeAxisView::~AutomationTimeAxisView ()
{
delete _view;
}
void
AutomationTimeAxisView::route_going_away ()
{
_route.reset ();
}
void
AutomationTimeAxisView::auto_clicked ()
{
using namespace Menu_Helpers;
if (automation_menu == 0) {
automation_menu = manage (new Menu);
automation_menu->set_name ("ArdourContextMenu");
MenuList& items (automation_menu->items());
items.push_back (MenuElem (S_("Automation|Manual"), sigc::bind (sigc::mem_fun(*this,
&AutomationTimeAxisView::set_automation_state), (AutoState) ARDOUR::Off)));
items.push_back (MenuElem (_("Play"), sigc::bind (sigc::mem_fun(*this,
&AutomationTimeAxisView::set_automation_state), (AutoState) Play)));
items.push_back (MenuElem (_("Write"), sigc::bind (sigc::mem_fun(*this,
&AutomationTimeAxisView::set_automation_state), (AutoState) Write)));
items.push_back (MenuElem (_("Touch"), sigc::bind (sigc::mem_fun(*this,
&AutomationTimeAxisView::set_automation_state), (AutoState) Touch)));
}
automation_menu->popup (1, gtk_get_current_event_time());
}
void
AutomationTimeAxisView::set_automation_state (AutoState state)
{
if (ignore_state_request) {
return;
}
if (_automatable) {
_automatable->set_parameter_automation_state (_parameter, state);
}
if (_view) {
_view->set_automation_state (state);
/* AutomationStreamViews don't signal when their automation state changes, so handle
our updates `manually'.
*/
automation_state_changed ();
}
}
void
AutomationTimeAxisView::automation_state_changed ()
{
AutoState state;
/* update button label */
if (_view) {
state = _view->automation_state ();
} else if (_line) {
assert (_control);
state = _control->alist()->automation_state ();
} else {
state = ARDOUR::Off;
}
switch (state & (ARDOUR::Off|Play|Touch|Write)) {
case ARDOUR::Off:
auto_button.set_text (S_("Automation|Manual"));
if (auto_off_item) {
ignore_state_request = true;
auto_off_item->set_active (true);
auto_play_item->set_active (false);
auto_touch_item->set_active (false);
auto_write_item->set_active (false);
ignore_state_request = false;
}
break;
case Play:
auto_button.set_text (_("Play"));
if (auto_play_item) {
ignore_state_request = true;
auto_play_item->set_active (true);
auto_off_item->set_active (false);
auto_touch_item->set_active (false);
auto_write_item->set_active (false);
ignore_state_request = false;
}
break;
case Write:
auto_button.set_text (_("Write"));
if (auto_write_item) {
ignore_state_request = true;
auto_write_item->set_active (true);
auto_off_item->set_active (false);
auto_play_item->set_active (false);
auto_touch_item->set_active (false);
ignore_state_request = false;
}
break;
case Touch:
auto_button.set_text (_("Touch"));
if (auto_touch_item) {
ignore_state_request = true;
auto_touch_item->set_active (true);
auto_off_item->set_active (false);
auto_play_item->set_active (false);
auto_write_item->set_active (false);
ignore_state_request = false;
}
break;
default:
auto_button.set_text (_("???"));
break;
}
}
/** The interpolation style of our AutomationList has changed, so update */
void
AutomationTimeAxisView::interpolation_changed (AutomationList::InterpolationStyle s)
{
if (mode_line_item && mode_discrete_item) {
if (s == AutomationList::Discrete) {
mode_discrete_item->set_active(true);
mode_line_item->set_active(false);
} else {
mode_line_item->set_active(true);
mode_discrete_item->set_active(false);
}
}
}
/** A menu item has been selected to change our interpolation mode */
void
AutomationTimeAxisView::set_interpolation (AutomationList::InterpolationStyle style)
{
/* Tell our view's list, if we have one, otherwise tell our own.
* Everything else will be signalled back from that.
*/
if (_view) {
_view->set_interpolation (style);
} else {
assert (_control);
_control->list()->set_interpolation (style);
}
}
void
AutomationTimeAxisView::clear_clicked ()
{
assert (_line || _view);
_editor.begin_reversible_command (_("clear automation"));
if (_line) {
_line->clear ();
} else if (_view) {
_view->clear ();
}
_editor.commit_reversible_command ();
_session->set_dirty ();
}
void
AutomationTimeAxisView::set_height (uint32_t h)
{
bool const changed = (height != (uint32_t) h) || first_call_to_set_height;
uint32_t const normal = preset_height (HeightNormal);
bool const changed_between_small_and_normal = ( (height < normal && h >= normal) || (height >= normal || h < normal) );
TimeAxisView::set_height (h);
_base_rect->set_y1 (h);
if (_line) {
_line->set_height(h);
}
if (_view) {
_view->set_height(h);
_view->update_contents_height();
}
if (changed_between_small_and_normal || first_call_to_set_height) {
first_call_to_set_height = false;
if (h >= preset_height (HeightNormal)) {
if (!(_parameter.type() >= MidiCCAutomation &&
_parameter.type() <= MidiChannelPressureAutomation)) {
auto_button.show();
}
name_label.show();
hide_button.show();
} else if (h >= preset_height (HeightSmall)) {
controls_table.hide_all ();
auto_button.hide();
name_label.hide();
}
}
if (changed) {
if (_canvas_display->visible() && _route) {
/* only emit the signal if the height really changed and we were visible */
_route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
}
}
}
void
AutomationTimeAxisView::set_samples_per_pixel (double fpp)
{
TimeAxisView::set_samples_per_pixel (fpp);
if (_line) {
_line->reset ();
}
if (_view) {
_view->set_samples_per_pixel (fpp);
}
}
void
AutomationTimeAxisView::hide_clicked ()
{
hide_button.set_sensitive(false);
set_marked_for_display (false);
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(parent);
if (rtv) {
rtv->request_redraw ();
}
hide_button.set_sensitive(true);
}
void
AutomationTimeAxisView::build_display_menu ()
{
using namespace Menu_Helpers;
/* prepare it */
TimeAxisView::build_display_menu ();
/* now fill it with our stuff */
MenuList& items = display_menu->items();
items.push_back (MenuElem (_("Hide"), sigc::mem_fun(*this, &AutomationTimeAxisView::hide_clicked)));
items.push_back (SeparatorElem());
items.push_back (MenuElem (_("Clear"), sigc::mem_fun(*this, &AutomationTimeAxisView::clear_clicked)));
items.push_back (SeparatorElem());
/* state menu */
Menu* auto_state_menu = manage (new Menu);
auto_state_menu->set_name ("ArdourContextMenu");
MenuList& as_items = auto_state_menu->items();
as_items.push_back (CheckMenuElem (S_("Automation|Manual"), sigc::bind (
sigc::mem_fun(*this, &AutomationTimeAxisView::set_automation_state),
(AutoState) ARDOUR::Off)));
auto_off_item = dynamic_cast<Gtk::CheckMenuItem*>(&as_items.back());
as_items.push_back (CheckMenuElem (_("Play"), sigc::bind (
sigc::mem_fun(*this, &AutomationTimeAxisView::set_automation_state),
(AutoState) Play)));
auto_play_item = dynamic_cast<Gtk::CheckMenuItem*>(&as_items.back());
as_items.push_back (CheckMenuElem (_("Write"), sigc::bind (
sigc::mem_fun(*this, &AutomationTimeAxisView::set_automation_state),
(AutoState) Write)));
auto_write_item = dynamic_cast<Gtk::CheckMenuItem*>(&as_items.back());
as_items.push_back (CheckMenuElem (_("Touch"), sigc::bind (
sigc::mem_fun(*this, &AutomationTimeAxisView::set_automation_state),
(AutoState) Touch)));
auto_touch_item = dynamic_cast<Gtk::CheckMenuItem*>(&as_items.back());
if (!(_parameter.type() >= MidiCCAutomation &&
_parameter.type() <= MidiChannelPressureAutomation)) {
items.push_back (MenuElem (_("State"), *auto_state_menu));
}
/* mode menu */
/* current interpolation state */
AutomationList::InterpolationStyle const s = _view ? _view->interpolation() : _control->list()->interpolation ();
if (ARDOUR::parameter_is_midi((AutomationType)_parameter.type())) {
Menu* auto_mode_menu = manage (new Menu);
auto_mode_menu->set_name ("ArdourContextMenu");
MenuList& am_items = auto_mode_menu->items();
RadioMenuItem::Group group;
am_items.push_back (RadioMenuElem (group, _("Discrete"), sigc::bind (
sigc::mem_fun(*this, &AutomationTimeAxisView::set_interpolation),
AutomationList::Discrete)));
mode_discrete_item = dynamic_cast<Gtk::CheckMenuItem*>(&am_items.back());
mode_discrete_item->set_active (s == AutomationList::Discrete);
am_items.push_back (RadioMenuElem (group, _("Linear"), sigc::bind (
sigc::mem_fun(*this, &AutomationTimeAxisView::set_interpolation),
AutomationList::Linear)));
mode_line_item = dynamic_cast<Gtk::CheckMenuItem*>(&am_items.back());
mode_line_item->set_active (s == AutomationList::Linear);
items.push_back (MenuElem (_("Mode"), *auto_mode_menu));
}
/* make sure the automation menu state is correct */
automation_state_changed ();
interpolation_changed (s);
}
void
AutomationTimeAxisView::add_automation_event (GdkEvent* event, framepos_t when, double y, bool with_guard_points)
{
if (!_line) {
return;
}
boost::shared_ptr<AutomationList> list = _line->the_list ();
if (list->in_write_pass()) {
/* do not allow the GUI to add automation events during an
automation write pass.
*/
return;
}
double x = 0;
_canvas_display->canvas_to_item (x, y);
/* compute vertical fractional position */
y = 1.0 - (y / height);
/* map using line */
_line->view_to_model_coord (x, y);
_editor.snap_to_with_modifier (when, event);
_editor.begin_reversible_command (_("add automation event"));
XMLNode& before = list->get_state();
list->add (when, y, with_guard_points);
XMLNode& after = list->get_state();
_session->add_command (new MementoCommand<ARDOUR::AutomationList> (*list, &before, &after));
_editor.commit_reversible_command ();
_session->set_dirty ();
}
bool
AutomationTimeAxisView::paste (framepos_t pos, const Selection& selection, PasteContext& ctx)
{
if (_line) {
return paste_one (pos, ctx.count, ctx.times, selection, ctx.counts, ctx.greedy);
} else if (_view) {
AutomationSelection::const_iterator l = selection.lines.get_nth(_parameter, ctx.counts.n_lines(_parameter));
if (l == selection.lines.end()) {
if (ctx.greedy && selection.lines.size() == 1) {
l = selection.lines.begin();
}
}
if (l != selection.lines.end() && _view->paste (pos, ctx.count, ctx.times, *l)) {
ctx.counts.increase_n_lines(_parameter);
return true;
}
}
return false;
}
bool
AutomationTimeAxisView::paste_one (framepos_t pos, unsigned paste_count, float times, const Selection& selection, ItemCounts& counts, bool greedy)
{
boost::shared_ptr<AutomationList> alist(_line->the_list());
if (_session->transport_rolling() && alist->automation_write()) {
/* do not paste if this control is in write mode and we're rolling */
return false;
}
/* Get appropriate list from selection. */
AutomationSelection::const_iterator p = selection.lines.get_nth(_parameter, counts.n_lines(_parameter));
if (p == selection.lines.end()) {
if (greedy && selection.lines.size() == 1) {
p = selection.lines.begin();
} else {
return false;
}
}
counts.increase_n_lines(_parameter);
/* add multi-paste offset if applicable */
pos += _editor.get_paste_offset(pos, paste_count, (*p)->length());
double const model_pos = _line->time_converter().from (pos - _line->time_converter().origin_b ());
XMLNode &before = alist->get_state();
alist->paste (**p, model_pos, times);
_session->add_command (new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
return true;
}
void
AutomationTimeAxisView::get_selectables (framepos_t start, framepos_t end, double top, double bot, list<Selectable*>& results, bool /*within*/)
{
if (!_line && !_view) {
return;
}
if (touched (top, bot)) {
/* remember: this is X Window - coordinate space starts in upper left and moves down.
_y_position is the "origin" or "top" of the track.
*/
/* bottom of our track */
double const mybot = _y_position + height;
double topfrac;
double botfrac;
if (_y_position >= top && mybot <= bot) {
/* _y_position is below top, mybot is above bot, so we're fully
covered vertically.
*/
topfrac = 1.0;
botfrac = 0.0;
} else {
/* top and bot are within _y_position .. mybot */
topfrac = 1.0 - ((top - _y_position) / height);
botfrac = 1.0 - ((bot - _y_position) / height);
}
if (_line) {
_line->get_selectables (start, end, botfrac, topfrac, results);
} else if (_view) {
_view->get_selectables (start, end, botfrac, topfrac, results);
}
}
}
void
AutomationTimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
{
if (_line) {
_line->get_inverted_selectables (sel, result);
}
}
void
AutomationTimeAxisView::set_selected_points (PointSelection& points)
{
if (_line) {
_line->set_selected_points (points);
} else if (_view) {
_view->set_selected_points (points);
}
}
void
AutomationTimeAxisView::clear_lines ()
{
_line.reset();
_list_connections.drop_connections ();
}
void
AutomationTimeAxisView::add_line (boost::shared_ptr<AutomationLine> line)
{
if (_control && line) {
assert(line->the_list() == _control->list());
_control->alist()->automation_state_changed.connect (
_list_connections, invalidator (*this), boost::bind (&AutomationTimeAxisView::automation_state_changed, this), gui_context()
);
_control->alist()->InterpolationChanged.connect (
_list_connections, invalidator (*this), boost::bind (&AutomationTimeAxisView::interpolation_changed, this, _1), gui_context()
);
}
_line = line;
line->set_height (height);
/* pick up the current state */
automation_state_changed ();
line->add_visibility (AutomationLine::Line);
}
void
AutomationTimeAxisView::entered()
{
if (_line) {
_line->track_entered();
}
}
void
AutomationTimeAxisView::exited ()
{
if (_line) {
_line->track_exited();
}
}
void
AutomationTimeAxisView::color_handler ()
{
if (_line) {
_line->set_colors();
}
}
int
AutomationTimeAxisView::set_state_2X (const XMLNode& node, int /*version*/)
{
if (node.name() == X_("gain") && _parameter == Evoral::Parameter (GainAutomation)) {
XMLProperty const * shown = node.property (X_("shown"));
if (shown) {
bool yn = string_is_affirmative (shown->value ());
if (yn) {
_canvas_display->show (); /* FIXME: necessary? show_at? */
}
set_gui_property ("visible", yn);
} else {
set_gui_property ("visible", false);
}
}
return 0;
}
int
AutomationTimeAxisView::set_state (const XMLNode&, int /*version*/)
{
return 0;
}
void
AutomationTimeAxisView::what_has_visible_automation (const boost::shared_ptr<Automatable>& automatable, set<Evoral::Parameter>& visible)
{
/* this keeps "knowledge" of how we store visibility information
in XML private to this class.
*/
assert (automatable);
Automatable::Controls& controls (automatable->controls());
for (Automatable::Controls::iterator i = controls.begin(); i != controls.end(); ++i) {
boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl> (i->second);
if (ac && ac->alist()) {
const XMLNode* gui_node = ac->extra_xml ("GUI");
if (gui_node) {
const XMLProperty* prop = gui_node->property ("shown");
if (prop) {
if (string_is_affirmative (prop->value())) {
visible.insert (i->first);
}
}
}
}
}
}
/** @return true if this view has any automation data to display */
bool
AutomationTimeAxisView::has_automation () const
{
return ( (_line && _line->npoints() > 0) || (_view && _view->has_automation()) );
}
list<boost::shared_ptr<AutomationLine> >
AutomationTimeAxisView::lines () const
{
list<boost::shared_ptr<AutomationLine> > lines;
if (_line) {
lines.push_back (_line);
} else if (_view) {
lines = _view->get_lines ();
}
return lines;
}
string
AutomationTimeAxisView::state_id() const
{
if (_automatable != _route && _control) {
return string_compose ("automation %1", _control->id().to_s());
} else if (_parameter) {
return string_compose ("automation %1 %2/%3/%4",
_route->id(),
_parameter.type(),
_parameter.id(),
(int) _parameter.channel());
} else {
error << "Automation time axis has no state ID" << endmsg;
return "";
}
}
/** Given a state id string, see if it is one generated by
* this class. If so, parse it into its components.
* @param state_id State ID string to parse.
* @param route_id Filled in with the route's ID if the state ID string is parsed.
* @param has_parameter Filled in with true if the state ID has a parameter, otherwise false.
* @param parameter Filled in with the state ID's parameter, if it has one.
* @return true if this is a state ID generated by this class, otherwise false.
*/
bool
AutomationTimeAxisView::parse_state_id (
string const & state_id,
PBD::ID & route_id,
bool & has_parameter,
Evoral::Parameter & parameter)
{
stringstream s;
s << state_id;
string a, b, c;
s >> a >> b >> c;
if (a != X_("automation")) {
return false;
}
route_id = PBD::ID (b);
if (c.empty ()) {
has_parameter = false;
return true;
}
has_parameter = true;
vector<string> p;
boost::split (p, c, boost::is_any_of ("/"));
assert (p.size() == 3);
parameter = Evoral::Parameter (
boost::lexical_cast<int> (p[0]),
boost::lexical_cast<int> (p[2]),
boost::lexical_cast<int> (p[1])
);
return true;
}
void
AutomationTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
{
list<boost::shared_ptr<AutomationLine> > lines;
if (_line) {
lines.push_back (_line);
} else if (_view) {
lines = _view->get_lines ();
}
for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
cut_copy_clear_one (**i, selection, op);
}
}
void
AutomationTimeAxisView::cut_copy_clear_one (AutomationLine& line, Selection& selection, CutCopyOp op)
{
boost::shared_ptr<Evoral::ControlList> what_we_got;
boost::shared_ptr<AutomationList> alist (line.the_list());
XMLNode &before = alist->get_state();
/* convert time selection to automation list model coordinates */
const Evoral::TimeConverter<double, ARDOUR::framepos_t>& tc = line.time_converter ();
double const start = tc.from (selection.time.front().start - tc.origin_b ());
double const end = tc.from (selection.time.front().end - tc.origin_b ());
switch (op) {
case Delete:
if (alist->cut (start, end) != 0) {
_session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
}
break;
case Cut:
if ((what_we_got = alist->cut (start, end)) != 0) {
_editor.get_cut_buffer().add (what_we_got);
_session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
}
break;
case Copy:
if ((what_we_got = alist->copy (start, end)) != 0) {
_editor.get_cut_buffer().add (what_we_got);
}
break;
case Clear:
if ((what_we_got = alist->cut (start, end)) != 0) {
_session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
}
break;
}
if (what_we_got) {
for (AutomationList::iterator x = what_we_got->begin(); x != what_we_got->end(); ++x) {
double when = (*x)->when;
double val = (*x)->value;
line.model_to_view_coord (when, val);
(*x)->when = when;
(*x)->value = val;
}
}
}
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