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livetrax/gtk2_ardour/trigger_master.cc

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/*
* Copyright (C) 2021 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 <gtkmm/filechooserdialog.h>
#include <gtkmm/menu.h>
#include <gtkmm/menuitem.h>
#include <gtkmm/stock.h>
#include "pbd/compose.h"
#include "pbd/convert.h"
#include "ardour/region.h"
#include "canvas/polygon.h"
#include "canvas/text.h"
#include "gtkmm2ext/actions.h"
#include "gtkmm2ext/colors.h"
#include "gtkmm2ext/utils.h"
#include "ardour_ui.h"
#include "gui_thread.h"
#include "public_editor.h"
#include "region_view.h"
#include "selection.h"
#include "timers.h"
#include "trigger_master.h"
#include "trigger_ui.h"
#include "ui_config.h"
#include "utils.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace ArdourCanvas;
using namespace Gtkmm2ext;
using namespace PBD;
static const int nslices = 8; // in 8 pie slices .. TODO .. maybe make this meter-senstive ... triplets and such... ?
Loopster::Loopster (Item* parent)
: ArdourCanvas::Rectangle (parent)
, _fraction (0)
{
}
void
Loopster::set_fraction (float f)
{
f = std::max (0.f, f);
f = std::min (1.f, f);
float prior_slice = floor (_fraction * nslices);
float new_slice = floor (f * nslices);
if (new_slice != prior_slice) {
_fraction = f;
redraw ();
}
}
void
Loopster::render (Rect const& area, Cairo::RefPtr<Cairo::Context> context) const
{
/* Note that item_to_window() already takes _position into account (as
* part of item_to_canvas()
*/
Rect self (item_to_window (_rect));
const Rect draw = self.intersection (area);
if (!draw) {
return;
}
context->set_identity_matrix ();
context->translate (self.x0, self.y0 - 0.5);
float size = _rect.height ();
const double scale = UIConfiguration::instance ().get_ui_scale ();
/* white area */
set_source_rgba (context, rgba_to_color (1, 1, 1, 1));
context->arc (size / 2, size / 2, size / 2 - 4 * scale, 0, 2 * M_PI);
context->fill ();
/* arc fill */
context->set_line_width (5 * scale);
float slices = floor (_fraction * nslices);
float deg_per_slice = 360 / nslices;
float degrees = slices * deg_per_slice;
float radians = (degrees / 180) * M_PI;
set_source_rgba (context, rgba_to_color (0, 0, 0, 1));
context->arc (size / 2, size / 2, size / 2 - 5 * scale, 1.5 * M_PI + radians, 1.5 * M_PI + 2 * M_PI);
context->stroke ();
context->set_line_width (1);
context->set_identity_matrix ();
}
class PassThru : public ArdourCanvas::Rectangle
{
public:
PassThru (ArdourCanvas::Item* canvas);
void render (ArdourCanvas::Rect const& area, Cairo::RefPtr<Cairo::Context> context) const;
void set_enabled (bool e);
private:
bool _enabled;
};
PassThru::PassThru (Item* parent)
: ArdourCanvas::Rectangle (parent)
{
set_enabled (false);
}
void
PassThru::set_enabled (bool e)
{
if (e != _enabled) {
_enabled = e;
redraw ();
}
}
void
PassThru::render (Rect const& area, Cairo::RefPtr<Cairo::Context> context) const
{
/* Note that item_to_window() already takes _position into account (as
* part of item_to_canvas()
*/
Rect self (item_to_window (_rect));
const Rect draw = self.intersection (area);
if (!draw) {
return;
}
context->set_identity_matrix ();
context->translate (self.x0, self.y0 - 0.5);
float size = _rect.height ();
const double scale = UIConfiguration::instance ().get_ui_scale ();
if (_enabled) {
/* outer white circle */
set_source_rgba (context, rgba_to_color (1, 1, 1, 1));
context->arc (size / 2, size / 2, size / 2 - 3 * scale, 0, 2 * M_PI);
context->fill ();
/* black circle */
set_source_rgba (context, rgba_to_color (0, 0, 0, 1));
context->arc (size / 2, size / 2, size / 2 - 5 * scale, 0, 2 * M_PI);
context->fill ();
/* inner white circle */
set_source_rgba (context, rgba_to_color (1, 1, 1, 1));
context->arc (size / 2, size / 2, size / 2 - 7 * scale, 0, 2 * M_PI);
context->fill ();
}
context->set_identity_matrix ();
}
TriggerMaster::TriggerMaster (Item* parent)
: ArdourCanvas::Rectangle (parent)
, _context_menu (0)
, _ignore_menu_action (false)
{
set_layout_sensitive (true); // why???
name = X_("trigger stopper");
Event.connect (sigc::mem_fun (*this, &TriggerMaster::event_handler));
stop_shape = new ArdourCanvas::Polygon (this);
stop_shape->set_outline (true);
stop_shape->set_fill (false);
stop_shape->name = X_("stopbutton");
stop_shape->set_ignore_events (true);
stop_shape->show ();
name_text = new Text (this);
name_text->set ("");
name_text->set_ignore_events (false);
_loopster = new Loopster (this);
_passthru = new PassThru (this);
#if 0 /* XXX trigger changes */
_triggerbox->PropertyChanged.connect (_trigger_prop_connection, MISSING_INVALIDATOR, boost::bind (&TriggerMaster::prop_change, this, _1), gui_context());
PropertyChange changed;
changed.add (ARDOUR::Properties::name);
changed.add (ARDOUR::Properties::running);
prop_change (changed);
#endif
#if 0 /* XXX route changes */
dynamic_cast<Stripable*> (_triggerbox->owner())->presentation_info().Change.connect (_owner_prop_connection, MISSING_INVALIDATOR, boost::bind (&TriggerMaster::owner_prop_change, this, _1), gui_context());
#endif
_update_connection = Timers::rapid_connect (sigc::mem_fun (*this, &TriggerMaster::maybe_update));
/* prefs (theme colors) */
UIConfiguration::instance ().ParameterChanged.connect (sigc::mem_fun (*this, &TriggerMaster::ui_parameter_changed));
set_default_colors ();
}
TriggerMaster::~TriggerMaster ()
{
_update_connection.disconnect ();
}
void
TriggerMaster::set_trigger (boost::shared_ptr<ARDOUR::TriggerBox> t)
{
_triggerbox = t;
}
void
TriggerMaster::render (Rect const& area, Cairo::RefPtr<Cairo::Context> context) const
{
/* Note that item_to_window() already takes _position into account (as
* part of item_to_canvas()
*/
Rect self (item_to_window (_rect));
const Rect draw = self.intersection (area);
if (!draw) {
return;
}
float width = _rect.width ();
float height = _rect.height ();
const double scale = UIConfiguration::instance ().get_ui_scale ();
if (_fill && !_transparent) {
setup_fill_context (context);
context->rectangle (draw.x0, draw.y0, draw.width (), draw.height ());
context->fill ();
}
render_children (area, context);
if (true) {
/* drop-shadow at top */
Cairo::RefPtr<Cairo::LinearGradient> drop_shadow_pattern = Cairo::LinearGradient::create (0.0, 0.0, 0.0, 6 * scale);
drop_shadow_pattern->add_color_stop_rgba (0, 0, 0, 0, 0.7);
drop_shadow_pattern->add_color_stop_rgba (1, 0, 0, 0, 0.0);
context->set_source (drop_shadow_pattern);
context->rectangle (0, 0, width, 6 * scale);
context->fill ();
} else {
/* line at top */
context->set_identity_matrix ();
context->translate (self.x0, self.y0 - 0.5);
set_source_rgba (context, rgba_to_color (0, 0, 0, 1));
context->rectangle (0, 0, width, 1.);
context->fill ();
context->set_identity_matrix ();
}
}
void
TriggerMaster::owner_prop_change (PropertyChange const& pc)
{
if (pc.contains (Properties::color)) {
}
}
void
TriggerMaster::selection_change ()
{
}
bool
TriggerMaster::event_handler (GdkEvent* ev)
{
if (!_triggerbox) {
return false;
}
switch (ev->type) {
case GDK_BUTTON_PRESS:
if (ev->button.button == 1) {
_triggerbox->request_stop_all ();
return true;
}
break;
case GDK_ENTER_NOTIFY:
if (ev->crossing.detail != GDK_NOTIFY_INFERIOR) {
name_text->set_color (UIConfiguration::instance ().color ("neutral:foregroundest"));
stop_shape->set_outline_color (UIConfiguration::instance ().color ("neutral:foreground"));
set_fill_color (HSV (fill_color ()).lighter (0.15).color ());
}
redraw ();
break;
case GDK_LEAVE_NOTIFY:
if (ev->crossing.detail != GDK_NOTIFY_INFERIOR) {
set_default_colors ();
}
redraw ();
break;
case GDK_BUTTON_RELEASE:
switch (ev->button.button) {
case 3:
context_menu ();
return true;
}
default:
break;
}
return false;
}
void
TriggerMaster::context_menu ()
{
using namespace Gtk;
using namespace Gtk::Menu_Helpers;
using namespace Temporal;
delete _context_menu;
_context_menu = new Menu;
MenuList& items = _context_menu->items ();
_context_menu->set_name ("ArdourContextMenu");
Menu* follow_menu = manage (new Menu);
MenuList& fitems = follow_menu->items ();
fitems.push_back (MenuElem (_("Stop"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_follow_action), Trigger::Stop)));
fitems.push_back (MenuElem (_("Again"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_follow_action), Trigger::Again)));
fitems.push_back (MenuElem (_("Next"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_follow_action), Trigger::NextTrigger)));
fitems.push_back (MenuElem (_("Previous"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_follow_action), Trigger::PrevTrigger)));
fitems.push_back (MenuElem (_("Any"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_follow_action), Trigger::AnyTrigger)));
fitems.push_back (MenuElem (_("Other"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_follow_action), Trigger::OtherTrigger)));
Menu* launch_menu = manage (new Menu);
MenuList& litems = launch_menu->items ();
litems.push_back (MenuElem (_("One Shot"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_launch_style), Trigger::OneShot)));
litems.push_back (MenuElem (_("Gate"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_launch_style), Trigger::Gate)));
litems.push_back (MenuElem (_("Toggle"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_launch_style), Trigger::Toggle)));
litems.push_back (MenuElem (_("Repeat"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_launch_style), Trigger::Repeat)));
Menu* quant_menu = manage (new Menu);
MenuList& qitems = quant_menu->items ();
BBT_Offset b;
b = BBT_Offset (1, 0, 0);
qitems.push_back (MenuElem (_("Global"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_quantization), b))); // TODO
b = BBT_Offset (1, 0, 0);
qitems.push_back (MenuElem (_("Bars"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_quantization), b)));
b = BBT_Offset (0, 4, 0);
qitems.push_back (MenuElem (_("Whole"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_quantization), b)));
b = BBT_Offset (0, 2, 0);
qitems.push_back (MenuElem (_("Half"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_quantization), b)));
b = BBT_Offset (0, 1, 0);
qitems.push_back (MenuElem (_("Quarters"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_quantization), b)));
b = BBT_Offset (0, 0, ticks_per_beat / 2);
qitems.push_back (MenuElem (_("Eighths"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_quantization), b)));
b = BBT_Offset (0, 0, ticks_per_beat / 4);
qitems.push_back (MenuElem (_("Sixteenths"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_quantization), b)));
b = BBT_Offset (0, 0, ticks_per_beat / 8);
qitems.push_back (MenuElem (_("Thirty-Seconds"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_quantization), b)));
b = BBT_Offset (0, 0, ticks_per_beat / 16);
qitems.push_back (MenuElem (_("Sixty-Fourths"), sigc::bind (sigc::mem_fun (*this, &TriggerMaster::set_all_quantization), b)));
Menu* load_menu = manage (new Menu);
MenuList& loitems (load_menu->items ());
items.push_back (CheckMenuElem (_("Toggle Monitor Thru"), sigc::mem_fun (*this, &TriggerMaster::toggle_thru)));
if (_triggerbox->pass_thru ()) {
_ignore_menu_action = true;
dynamic_cast<Gtk::CheckMenuItem*> (&items.back ())->set_active (true);
_ignore_menu_action = false;
}
items.push_back (MenuElem (_("Enable/Disable..."), sigc::mem_fun (*this, &TriggerMaster::maybe_update))); // TODO
items.push_back (MenuElem (_("Follow Action..."), *follow_menu));
items.push_back (MenuElem (_("Launch Style..."), *launch_menu));
items.push_back (MenuElem (_("Quantization..."), *quant_menu));
items.push_back (MenuElem (_("Clear All..."), sigc::mem_fun (*this, &TriggerMaster::maybe_update))); // TODO
_context_menu->popup (1, gtk_get_current_event_time ());
}
void
TriggerMaster::toggle_thru ()
{
if (_ignore_menu_action) {
return;
}
_triggerbox->set_pass_thru (!_triggerbox->pass_thru ());
}
void
TriggerMaster::set_all_follow_action (Trigger::FollowAction fa)
{
// TODO
}
void
TriggerMaster::set_all_launch_style (Trigger::LaunchStyle ls)
{
// TODO
}
void
TriggerMaster::set_all_quantization (Temporal::BBT_Offset const& q)
{
// TODO
}
void
TriggerMaster::maybe_update ()
{
PropertyChange changed;
changed.add (ARDOUR::Properties::name);
changed.add (ARDOUR::Properties::running);
prop_change (changed);
}
void
TriggerMaster::_size_allocate (ArdourCanvas::Rect const& alloc)
{
Rectangle::_size_allocate (alloc);
const double scale = UIConfiguration::instance ().get_ui_scale ();
_poly_margin = 2. * scale;
const Distance width = _rect.width ();
const Distance height = _rect.height ();
_poly_size = height - (_poly_margin * 2);
Points p;
p.push_back (Duple (_poly_margin, _poly_margin));
p.push_back (Duple (_poly_margin, _poly_size));
p.push_back (Duple (_poly_size, _poly_size));
p.push_back (Duple (_poly_size, _poly_margin));
stop_shape->set (p);
float tleft = _poly_size + (_poly_margin * 3);
float twidth = width - _poly_size - (_poly_margin * 3);
ArdourCanvas::Rect text_alloc (tleft, 0, twidth, height); // testing
name_text->size_allocate (text_alloc);
name_text->set_position (Duple (tleft, 1. * scale));
name_text->clamp_width (twidth);
_loopster->set (ArdourCanvas::Rect (0, 0, height, height));
_passthru->set (ArdourCanvas::Rect (width - height, 0, width, height));
/* font scale may have changed. uiconfig 'embeds' the ui-scale in the font */
name_text->set_font_description (UIConfiguration::instance ().get_NormalFont ());
}
void
TriggerMaster::prop_change (PropertyChange const& change)
{
if (!_triggerbox) {
return;
}
_passthru->set_enabled (_triggerbox->pass_thru ());
std::string text;
ARDOUR::Trigger* trigger = _triggerbox->currently_playing ();
if (!trigger) {
name_text->set (text);
_loopster->hide ();
stop_shape->show ();
return;
}
text = string_compose ("%1", (char)('A' + trigger->index ()));
if (trigger->follow_count () > 1) {
text.append (string_compose (X_(" %1/%2"), trigger->loop_count ()+1, trigger->follow_count ()));
}
name_text->set (text);
if (trigger->active ()) {
double f = trigger->position_as_fraction ();
_loopster->set_fraction (f);
_loopster->show ();
stop_shape->hide ();
} else {
_loopster->hide ();
stop_shape->show ();
}
}
void
TriggerMaster::set_default_colors ()
{
set_fill_color (HSV (UIConfiguration::instance ().color ("theme:bg")).darker (0.25).color ());
name_text->set_color (UIConfiguration::instance ().color ("neutral:foreground"));
stop_shape->set_outline_color (UIConfiguration::instance ().color ("neutral:midground"));
}
void
TriggerMaster::ui_parameter_changed (std::string const& p)
{
if (p == "color-file") {
set_default_colors ();
}
}
CueMaster::CueMaster (Item* parent)
: ArdourCanvas::Rectangle (parent)
{
set_layout_sensitive (true); // why???
name = X_("trigger stopper");
Event.connect (sigc::mem_fun (*this, &CueMaster::event_handler));
stop_shape = new ArdourCanvas::Polygon (this);
stop_shape->set_outline (true);
stop_shape->set_fill (false);
stop_shape->name = X_("stopbutton");
stop_shape->set_ignore_events (true);
stop_shape->show ();
name_text = new Text (this);
name_text->set ("");
name_text->set_ignore_events (false);
/* prefs (theme colors) */
UIConfiguration::instance ().ParameterChanged.connect (sigc::mem_fun (*this, &CueMaster::ui_parameter_changed));
set_default_colors ();
}
CueMaster::~CueMaster ()
{
}
void
CueMaster::render (Rect const& area, Cairo::RefPtr<Cairo::Context> context) const
{
/* Note that item_to_window() already takes _position into account (as
part of item_to_canvas()
*/
Rect self (item_to_window (_rect));
const Rect draw = self.intersection (area);
if (!draw) {
return;
}
float width = _rect.width ();
float height = _rect.height ();
const double scale = UIConfiguration::instance ().get_ui_scale ();
if (_fill && !_transparent) {
setup_fill_context (context);
context->rectangle (draw.x0, draw.y0, draw.width (), draw.height ());
context->fill ();
}
render_children (area, context);
if (true) {
/* drop-shadow at top */
Cairo::RefPtr<Cairo::LinearGradient> drop_shadow_pattern = Cairo::LinearGradient::create (0.0, 0.0, 0.0, 6 * scale);
drop_shadow_pattern->add_color_stop_rgba (0, 0, 0, 0, 0.7);
drop_shadow_pattern->add_color_stop_rgba (1, 0, 0, 0, 0.0);
context->set_source (drop_shadow_pattern);
context->rectangle (0, 0, width, 6 * scale);
context->fill ();
} else {
/* line at top */
context->set_identity_matrix ();
context->translate (self.x0, self.y0 - 0.5);
set_source_rgba (context, rgba_to_color (0, 0, 0, 1));
context->rectangle (0, 0, width, 1.);
context->fill ();
context->set_identity_matrix ();
}
}
bool
CueMaster::event_handler (GdkEvent* ev)
{
switch (ev->type) {
case GDK_BUTTON_PRESS:
if (ev->button.button == 1) {
_session->stop_all_triggers ();
return true;
}
break;
case GDK_ENTER_NOTIFY:
if (ev->crossing.detail != GDK_NOTIFY_INFERIOR) {
name_text->set_color (UIConfiguration::instance ().color ("neutral:foregroundest"));
stop_shape->set_outline_color (UIConfiguration::instance ().color ("neutral:foreground"));
set_fill_color (HSV (fill_color ()).lighter (0.15).color ());
}
break;
case GDK_LEAVE_NOTIFY:
if (ev->crossing.detail != GDK_NOTIFY_INFERIOR) {
set_default_colors ();
}
break;
default:
break;
}
return false;
}
void
CueMaster::maybe_update ()
{
}
void
CueMaster::_size_allocate (ArdourCanvas::Rect const& alloc)
{
Rectangle::_size_allocate (alloc);
const double scale = UIConfiguration::instance ().get_ui_scale ();
_poly_margin = 2. * scale;
const Distance width = _rect.width ();
const Distance height = _rect.height ();
_poly_size = height - (_poly_margin * 2);
float centering_offset = (width / 2) - _poly_margin - _poly_size / 2;
Points p;
p.push_back (Duple (centering_offset + _poly_margin, _poly_margin));
p.push_back (Duple (centering_offset + _poly_margin, _poly_size));
p.push_back (Duple (centering_offset + _poly_size, _poly_size));
p.push_back (Duple (centering_offset + _poly_size, _poly_margin));
stop_shape->set (p);
float tleft = _poly_size + (_poly_margin * 3);
float twidth = width - _poly_size - (_poly_margin * 3);
ArdourCanvas::Rect text_alloc (tleft, 0, twidth, height); // testing
name_text->size_allocate (text_alloc);
name_text->set_position (Duple (tleft, 1. * scale));
name_text->clamp_width (twidth);
/* font scale may have changed. uiconfig 'embeds' the ui-scale in the font */
name_text->set_font_description (UIConfiguration::instance ().get_NormalFont ());
}
void
CueMaster::set_default_colors ()
{
set_fill_color (HSV (UIConfiguration::instance ().color ("theme:bg")).darker (0.25).color ());
name_text->set_color (UIConfiguration::instance ().color ("neutral:foreground"));
stop_shape->set_outline_color (UIConfiguration::instance ().color ("neutral:midground"));
}
void
CueMaster::ui_parameter_changed (std::string const& p)
{
if (p == "color-file") {
set_default_colors ();
}
}
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