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livetrax/gtk2_ardour/midi_time_axis.cc

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/*
Copyright (C) 2000 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 <cstdlib>
#include <cmath>
#include <algorithm>
#include <string>
#include <vector>
#include <sigc++/bind.h>
#include <pbd/error.h>
#include <pbd/stl_delete.h>
#include <pbd/whitespace.h>
#include <gtkmm2ext/gtk_ui.h>
#include <gtkmm2ext/selector.h>
#include <gtkmm2ext/stop_signal.h>
#include <gtkmm2ext/bindable_button.h>
#include <gtkmm2ext/utils.h>
#include <ardour/midi_playlist.h>
#include <ardour/midi_diskstream.h>
#include <ardour/processor.h>
#include <ardour/ladspa_plugin.h>
#include <ardour/location.h>
#include <ardour/playlist.h>
#include <ardour/session.h>
#include <ardour/session_playlist.h>
#include <ardour/utils.h>
#include "ardour_ui.h"
#include "midi_time_axis.h"
#include "automation_time_axis.h"
#include "automation_line.h"
#include "add_midi_cc_track_dialog.h"
#include "canvas_impl.h"
#include "crossfade_view.h"
#include "enums.h"
#include "gui_thread.h"
#include "keyboard.h"
#include "playlist_selector.h"
#include "plugin_selector.h"
#include "plugin_ui.h"
#include "point_selection.h"
#include "prompter.h"
#include "public_editor.h"
#include "region_view.h"
#include "rgb_macros.h"
#include "selection.h"
#include "simplerect.h"
#include "midi_streamview.h"
#include "utils.h"
#include "midi_scroomer.h"
#include "piano_roll_header.h"
#include "ghostregion.h"
#include <ardour/midi_track.h>
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace sigc;
using namespace Editing;
MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
: AxisView(sess) // FIXME: won't compile without this, why??
, RouteTimeAxisView(ed, sess, rt, canvas)
, _range_scroomer(0)
, _piano_roll_header(0)
, _note_mode(Sustained)
, _note_mode_item(NULL)
, _percussion_mode_item(NULL)
, _midi_expander("MIDI")
{
subplugin_menu.set_name ("ArdourContextMenu");
_view = new MidiStreamView (*this);
ignore_toggle = false;
mute_button->set_active (false);
solo_button->set_active (false);
if (is_midi_track()) {
controls_ebox.set_name ("MidiTimeAxisViewControlsBaseUnselected");
_note_mode = midi_track()->note_mode();
} else { // MIDI bus (which doesn't exist yet..)
controls_ebox.set_name ("MidiBusControlsBaseUnselected");
}
/* map current state of the route */
processors_changed ();
ensure_xml_node ();
set_state (*xml_node);
_route->processors_changed.connect (mem_fun(*this, &MidiTimeAxisView::processors_changed));
if (is_track()) {
_piano_roll_header = new PianoRollHeader(*midi_view());
_range_scroomer = new MidiScroomer(midi_view()->note_range_adjustment);
controls_hbox.pack_start(*_range_scroomer);
controls_hbox.pack_start(*_piano_roll_header);
controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
controls_base_selected_name = "MidiTrackControlsBaseSelected";
controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
midi_view()->NoteRangeChanged.connect (mem_fun(*this, &MidiTimeAxisView::update_range));
/* ask for notifications of any new RegionViews */
_view->RegionViewAdded.connect (mem_fun(*this, &MidiTimeAxisView::region_view_added));
_view->attach ();
}
// add channel selector expander
HBox *channel_selector_box = manage(new HBox());
channel_selector_box->pack_start(_channel_selector, SHRINK, 0);
_midi_expander.add(*channel_selector_box);
_midi_expander.property_expanded().signal_changed().connect(
mem_fun(this, &MidiTimeAxisView::channel_selector_toggled));
controls_vbox.pack_end(_midi_expander, SHRINK, 0);
boost::shared_ptr<MidiDiskstream> diskstream = midi_track()->midi_diskstream();
// restore channel selector settings
_channel_selector.set_selected_channels(diskstream->get_channel_mask());
_channel_selector.set_force_channel(diskstream->get_force_channel());
_channel_selector.selection_changed.connect(
mem_fun(*midi_track()->midi_diskstream(), &MidiDiskstream::set_channel_mask));
_channel_selector.force_channel_changed.connect(
mem_fun(*midi_track()->midi_diskstream(), &MidiDiskstream::set_force_channel));
}
MidiTimeAxisView::~MidiTimeAxisView ()
{
delete _piano_roll_header;
_piano_roll_header = 0;
delete _range_scroomer;
_range_scroomer = 0;
}
MidiStreamView*
MidiTimeAxisView::midi_view()
{
return dynamic_cast<MidiStreamView*>(_view);
}
guint32
MidiTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
{
ensure_xml_node ();
xml_node->add_property ("shown_editor", "yes");
guint32 ret = TimeAxisView::show_at (y, nth, parent);
_piano_roll_header->show();
_range_scroomer->show();
return ret;
}
void
MidiTimeAxisView::hide ()
{
ensure_xml_node ();
xml_node->add_property ("shown_editor", "no");
TimeAxisView::hide ();
}
void
MidiTimeAxisView::append_extra_display_menu_items ()
{
using namespace Menu_Helpers;
MenuList& items = display_menu->items();
// Note range
Menu *range_menu = manage(new Menu);
MenuList& range_items = range_menu->items();
range_menu->set_name ("ArdourContextMenu");
RadioMenuItem::Group range_group;
range_items.push_back (RadioMenuElem (range_group, _("Show Full Range"), bind (
mem_fun(*this, &MidiTimeAxisView::set_note_range),
MidiStreamView::FullRange)));
range_items.push_back (RadioMenuElem (range_group, _("Fit Contents"), bind (
mem_fun(*this, &MidiTimeAxisView::set_note_range),
MidiStreamView::ContentsRange)));
((Gtk::CheckMenuItem&)range_items.back()).set_active(true);
items.push_back (MenuElem (_("Note range"), *range_menu));
}
void
MidiTimeAxisView::build_automation_action_menu ()
{
using namespace Menu_Helpers;
RouteTimeAxisView::build_automation_action_menu ();
MenuList& automation_items = automation_action_menu->items();
automation_items.push_back (SeparatorElem());
automation_items.push_back (MenuElem (_("Controller..."),
mem_fun(*this, &MidiTimeAxisView::add_controller_track)));
}
Gtk::Menu*
MidiTimeAxisView::build_mode_menu()
{
using namespace Menu_Helpers;
Menu* mode_menu = manage (new Menu);
MenuList& items = mode_menu->items();
mode_menu->set_name ("ArdourContextMenu");
RadioMenuItem::Group mode_group;
items.push_back (RadioMenuElem (mode_group, _("Sustained"),
bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Sustained)));
_note_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
_note_mode_item->set_active(_note_mode == Sustained);
items.push_back (RadioMenuElem (mode_group, _("Percussive"),
bind (mem_fun (*this, &MidiTimeAxisView::set_note_mode), Percussive)));
_percussion_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
_percussion_mode_item->set_active(_note_mode == Percussive);
return mode_menu;
}
void
MidiTimeAxisView::set_note_mode(NoteMode mode)
{
if (_note_mode != mode || midi_track()->note_mode() != mode) {
_note_mode = mode;
midi_track()->set_note_mode(mode);
_view->redisplay_diskstream();
}
}
void
MidiTimeAxisView::set_note_range(MidiStreamView::VisibleNoteRange range)
{
//if (midi_view()->note_range() != range) {
midi_view()->set_note_range(range);
midi_view()->redisplay_diskstream();
//}
}
void
MidiTimeAxisView::update_range()
{
MidiGhostRegion* mgr;
for(list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
if ((mgr = dynamic_cast<MidiGhostRegion*>(*i)) != 0) {
mgr->update_range();
}
}
}
void
MidiTimeAxisView::show_existing_automation ()
{
if (midi_track()) {
const set<Parameter> params = midi_track()->midi_diskstream()->
midi_playlist()->contained_automation();
for (set<Parameter>::const_iterator i = params.begin(); i != params.end(); ++i)
create_automation_child(*i, true);
}
RouteTimeAxisView::show_existing_automation ();
}
/** Prompt for a controller with a dialog and add an automation track for it
*/
void
MidiTimeAxisView::add_controller_track()
{
int response;
Parameter param;
{
AddMidiCCTrackDialog dialog;
dialog.set_transient_for(editor);
response = dialog.run();
if (response == Gtk::RESPONSE_ACCEPT)
param = dialog.parameter();
}
if (response == Gtk::RESPONSE_ACCEPT)
create_automation_child(param, true);
}
void
MidiTimeAxisView::create_automation_child (Parameter param, bool show)
{
if (
param.type() == MidiCCAutomation ||
param.type() == MidiPgmChangeAutomation ||
param.type() == MidiPitchBenderAutomation ||
param.type() == MidiChannelAftertouchAutomation
) {
/* FIXME: don't create AutomationList for track itself
* (not actually needed or used, since the automation is region-ey) */
boost::shared_ptr<AutomationControl> c = _route->control(param);
if (!c) {
boost::shared_ptr<AutomationList> al(new ARDOUR::AutomationList(param, 0, 127, 64));
c = boost::shared_ptr<AutomationControl>(_route->control_factory(al));
_route->add_control(c);
}
AutomationTracks::iterator existing = _automation_tracks.find(param);
if (existing != _automation_tracks.end())
return;
boost::shared_ptr<AutomationTimeAxisView> track(new AutomationTimeAxisView (_session,
_route, _route, c,
editor,
*this,
true,
parent_canvas,
_route->describe_parameter(param)));
add_automation_child(param, track, show);
} else {
error << "MidiTimeAxisView: unknown automation child " << param.to_string() << endmsg;
}
}
void
MidiTimeAxisView::route_active_changed ()
{
RouteUI::route_active_changed ();
if (is_track()) {
if (_route->active()) {
controls_ebox.set_name ("MidiTrackControlsBaseUnselected");
controls_base_selected_name = "MidiTrackControlsBaseSelected";
controls_base_unselected_name = "MidiTrackControlsBaseUnselected";
} else {
controls_ebox.set_name ("MidiTrackControlsBaseInactiveUnselected");
controls_base_selected_name = "MidiTrackControlsBaseInactiveSelected";
controls_base_unselected_name = "MidiTrackControlsBaseInactiveUnselected";
}
} else {
throw; // wha?
if (_route->active()) {
controls_ebox.set_name ("BusControlsBaseUnselected");
controls_base_selected_name = "BusControlsBaseSelected";
controls_base_unselected_name = "BusControlsBaseUnselected";
} else {
controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
controls_base_selected_name = "BusControlsBaseInactiveSelected";
controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
}
}
}
void
MidiTimeAxisView::channel_selector_toggled()
{
static TimeAxisView::TrackHeight previous_height;
if(_midi_expander.property_expanded()) {
previous_height = height_style;
if(previous_height != TimeAxisView::Largest) {
set_height(TimeAxisView::Large);
}
} else {
set_height(previous_height);
}
}