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livetrax/gtk2_ardour/midi_cue_view.cc

456 lines
12 KiB
C++

/*
* Copyright (C) 2024 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 "ardour/midi_region.h"
#include "ardour/midi_source.h"
#include "ardour/midi_track.h"
#include "ardour/triggerbox.h"
#include "ardour/types.h"
#include "gtkmm2ext/utils.h"
#include "canvas/box.h"
#include "canvas/button.h"
#include "canvas/debug.h"
#include "editing_context.h"
#include "editor_drag.h"
#include "hit.h"
#include "keyboard.h"
#include "mergeable_line.h"
#include "midi_cue_automation_line.h"
#include "midi_cue_view.h"
#include "midi_cue_velocity.h"
#include "note.h"
#include "ui_config.h"
#include "velocity_display.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace Gtkmm2ext;
MidiCueView::MidiCueView (std::shared_ptr<ARDOUR::MidiTrack> mt,
uint32_t slot_index,
ArdourCanvas::Item& parent,
EditingContext& ec,
MidiViewBackground& bg,
uint32_t basic_color)
: MidiView (mt, parent, ec, bg, basic_color)
, velocity_display (nullptr)
, _slot_index (slot_index)
{
CANVAS_DEBUG_NAME (_note_group, X_("note group for MIDI cue"));
_needs_active_notes_for_rec_enabled_track = true;
/* Containers don't get canvas events, so we need an invisible rect
* that will. It will be resized as needed sothat it always covers the
* entire canvas/view.
*/
event_rect = new ArdourCanvas::Rectangle (&parent);
event_rect->set (ArdourCanvas::Rect (0.0, 0.0, ArdourCanvas::COORD_MAX, 10.));
event_rect->Event.connect (sigc::mem_fun (*this, &MidiCueView::canvas_event));
event_rect->set_fill (false);
event_rect->set_outline (false);
CANVAS_DEBUG_NAME (event_rect, "cue event rect");
_note_group->raise_to_top ();
automation_group = new ArdourCanvas::Rectangle (&parent);
CANVAS_DEBUG_NAME (automation_group, "cue automation group");
automation_group->set_fill_color (UIConfiguration::instance().color ("midi automation track fill"));
automation_group->set_data ("linemerger", this);
velocity_display = new MidiCueVelocityDisplay (editing_context(), midi_context(), *this, *automation_group, 0x312244ff);
for (auto & ev : _events) {
velocity_display->add_note (ev.second);
}
velocity_display->hide ();
button_bar = new ArdourCanvas::Box (&parent, ArdourCanvas::Box::Horizontal);
CANVAS_DEBUG_NAME (button_bar, "button bar");
button_bar->set_spacing (12.);
/* Right-side padding only */
button_bar->set_padding (0., 0., 0., 24.);
button_bar->set_margin (5., 5., 5., 5.);
Pango::FontDescription button_font = UIConfiguration::instance().get_NormalFont();
velocity_button = new ArdourCanvas::Button (button_bar, _("Velocity"), button_font);
velocity_button->text()->set_color (UIConfiguration::instance().color ("neutral:foreground"));
CANVAS_DEBUG_NAME (velocity_button, "velocity button");
bender_button = new ArdourCanvas::Button (button_bar, _("Bender"), button_font);
bender_button->text()->set_color (UIConfiguration::instance().color ("neutral:foreground"));
CANVAS_DEBUG_NAME (bender_button, "bender button");
pressure_button = new ArdourCanvas::Button (button_bar, _("Pressure"), button_font);
pressure_button->text()->set_color (UIConfiguration::instance().color ("neutral:foreground"));
CANVAS_DEBUG_NAME (pressure_button, "pressure button");
expression_button = new ArdourCanvas::Button (button_bar, _("Expression"), button_font);
expression_button->text()->set_color (UIConfiguration::instance().color ("neutral:foreground"));
CANVAS_DEBUG_NAME (expression_button, "expression button");
modulation_button = new ArdourCanvas::Button (button_bar, _("Modulation"), button_font);
modulation_button->text()->set_color (UIConfiguration::instance().color ("neutral:foreground"));
CANVAS_DEBUG_NAME (modulation_button, "modulation button");
velocity_button->Event.connect (sigc::bind (sigc::mem_fun (*this, &MidiCueView::automation_button_event), ARDOUR::MidiVelocityAutomation, 0));
pressure_button->Event.connect (sigc::bind (sigc::mem_fun (*this, &MidiCueView::automation_button_event), ARDOUR::MidiChannelPressureAutomation, 0));
bender_button->Event.connect (sigc::bind (sigc::mem_fun (*this, &MidiCueView::automation_button_event), ARDOUR::MidiPitchBenderAutomation, 0));
modulation_button->Event.connect (sigc::bind (sigc::mem_fun (*this, &MidiCueView::automation_button_event), ARDOUR::MidiCCAutomation, MIDI_CTL_MSB_MODWHEEL));
expression_button->Event.connect (sigc::bind (sigc::mem_fun (*this, &MidiCueView::automation_button_event), ARDOUR::MidiCCAutomation, MIDI_CTL_MSB_EXPRESSION));
set_extensible (true);
Evoral::Parameter fully_qualified_param (ARDOUR::MidiVelocityAutomation, 0, 0);
update_automation_display (fully_qualified_param, SelectionSet);
}
void
MidiCueView::set_height (double h)
{
double bbw, bbh;
button_bar->size_request (bbw, bbh);
double note_area_height = ceil ((h - bbh) / 2.);
double automation_height = ceil (h - bbh - note_area_height);
event_rect->set (ArdourCanvas::Rect (0.0, 0.0, ArdourCanvas::COORD_MAX, note_area_height));
midi_context().set_size (midi_context().width(), note_area_height);
automation_group->set_position (ArdourCanvas::Duple (0., note_area_height));
automation_group->set (ArdourCanvas::Rect (0., 0., ArdourCanvas::COORD_MAX, automation_height));
button_bar->size_allocate (ArdourCanvas::Rect (0., note_area_height + automation_height, ArdourCanvas::COORD_MAX, note_area_height + automation_height + bbh));
for (auto & ads : automation_map) {
ads.second.set_height (automation_height);
}
view_changed ();
}
ArdourCanvas::Item*
MidiCueView::drag_group () const
{
return event_rect;
}
bool
MidiCueView::canvas_event (GdkEvent* ev)
{
return MidiView::canvas_group_event (ev);
}
bool
MidiCueView::scroll (GdkEventScroll* ev)
{
if (_editing_context.drags()->active()) {
return false;
}
if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier) ||
Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
switch (ev->direction) {
case GDK_SCROLL_UP:
_editing_context.reset_zoom (_editing_context.get_current_zoom() / 2);
return true;
case GDK_SCROLL_DOWN:
_editing_context.reset_zoom (_editing_context.get_current_zoom() * 2);
return true;
default:
return false;
}
}
return MidiView::scroll (ev);
}
void
MidiCueView::set_samples_per_pixel (double spp)
{
std::shared_ptr<Temporal::TempoMap> map;
Temporal::timecnt_t duration;
if (_midi_region) {
duration = Temporal::timecnt_t (_midi_region->midi_source()->length().beats());
map.reset (new Temporal::TempoMap (Temporal::Tempo (120, 4), Temporal::Meter (4, 4)));
} else {
duration = Temporal::timecnt_t (Temporal::Beats (4, 0));
map.reset (new Temporal::TempoMap (Temporal::Tempo (120, 4), Temporal::Meter (4, 4)));
}
EditingContext::TempoMapScope tms (_editing_context, map);
reset_width_dependent_items (_editing_context.duration_to_pixels (duration));
}
void
MidiCueView::clear_ghost_events ()
{
if (velocity_display) {
velocity_display->clear ();
}
}
void
MidiCueView::ghosts_model_changed ()
{
if (velocity_display) {
velocity_display->clear ();
for (auto & ev : _events) {
velocity_display->add_note (ev.second);
}
}
}
void
MidiCueView::ghosts_view_changed ()
{
if (velocity_display) {
velocity_display->redisplay();
}
}
void
MidiCueView::ghost_remove_note (NoteBase* nb)
{
if (velocity_display) {
velocity_display->remove_note (nb);
}
}
void
MidiCueView::ghost_add_note (NoteBase* nb)
{
if (velocity_display) {
velocity_display->add_note (nb);
}
}
void
MidiCueView::ghost_sync_selection (NoteBase* nb)
{
if (velocity_display) {
velocity_display->note_selected (nb);
}
}
void
MidiCueView::update_sustained (Note* n)
{
MidiView::update_sustained (n);
if (velocity_display) {
velocity_display->update_note (n);
}
}
void
MidiCueView::update_hit (Hit* h)
{
MidiView::update_hit (h);
if (velocity_display) {
velocity_display->update_note (h);
}
}
bool
MidiCueView::automation_button_event (GdkEvent* ev, Evoral::ParameterType type, int id)
{
SelectionOperation op = ArdourKeyboard::selection_type (ev->button.state);
switch (ev->type) {
case GDK_BUTTON_RELEASE:
automation_button_click (type, id, op);
break;
default:
break;
}
return false;
}
void
MidiCueView::automation_button_click (Evoral::ParameterType type, int id, SelectionOperation op)
{
#warning paul allow channel selection (2nd param)
update_automation_display (Evoral::Parameter (type, 0, id), op);
}
void
MidiCueView::update_automation_display (Evoral::Parameter const & param, SelectionOperation op)
{
using namespace ARDOUR;
if (!_midi_region) {
return;
}
switch (param.type()) {
case MidiCCAutomation:
case MidiPgmChangeAutomation:
case MidiPitchBenderAutomation:
case MidiChannelPressureAutomation:
case MidiNotePressureAutomation:
case MidiSystemExclusiveAutomation:
case MidiVelocityAutomation:
break;
default:
return;
}
CueAutomationMap::iterator i = automation_map.find (param);
AutomationDisplayState* ads = nullptr;
if (i != automation_map.end()) {
ads = &i->second;
} else {
if (param.type() == MidiVelocityAutomation) {
} else {
std::shared_ptr<Evoral::Control> control = _midi_region->model()->control (param, true);
automation_control = std::dynamic_pointer_cast<AutomationControl> (control);
if (!automation_control) {
return;
}
automation_line.reset (new MidiCueAutomationLine ("whatevs",
_editing_context,
*automation_group,
automation_group,
automation_control->alist(),
automation_control->desc()));
AutomationDisplayState cad (automation_control, automation_line, true);
auto res = automation_map.insert (std::make_pair (param, cad));
ads = &((*res.first).second);
}
}
std::cerr << "sad " << op << " param " << enum_2_string (param.type()) << std::endl;
switch (op) {
case SelectionSet:
/* hide the rest */
for (auto & as : automation_map) {
as.second.hide ();
}
/*FALLTHRU*/
case SelectionAdd:
ads->set_height (automation_group->get().height());
ads->show ();
break;
case SelectionRemove:
ads->hide ();
break;
case SelectionToggle:
if (ads->visible) {
ads->hide ();
} else {
ads->set_height (automation_group->get().height());
ads->show ();
}
return;
case SelectionExtend:
/* undefined in this context */
break;
}
}
std::list<SelectableOwner*>
MidiCueView::selectable_owners()
{
std::list<SelectableOwner*> sl;
if (automation_line) {
sl.push_back (automation_line.get());
}
return sl;
}
MergeableLine*
MidiCueView::make_merger ()
{
return new MergeableLine (automation_line, automation_control,
[](Temporal::timepos_t const& t) { return t; },
nullptr, nullptr);
}
bool
MidiCueView::automation_rb_click (GdkEvent* event, Temporal::timepos_t const & pos)
{
bool with_guard_points = Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier);
automation_line->add (automation_control, event, pos, event->button.y, with_guard_points);
return false;
}
void
MidiCueView::line_drag_click (GdkEvent* event, Temporal::timepos_t const & pos)
{
}
MidiCueView::AutomationDisplayState::~AutomationDisplayState()
{
delete velocity_display;
}
void
MidiCueView::AutomationDisplayState::hide ()
{
if (velocity_display) {
velocity_display->hide ();
} else if (line) {
line->hide_all ();
}
}
void
MidiCueView::AutomationDisplayState::show ()
{
if (velocity_display) {
velocity_display->show ();
} else if (line) {
line->show ();
}
}
void
MidiCueView::AutomationDisplayState::set_height (double h)
{
if (velocity_display) {
// velocity_display->set_height (h);
} else if (line) {
line->set_height (h);
}
}