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livetrax/gtk2_ardour/trigger_stopper.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 "ardour/triggerbox.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 "trigger_stopper.h"
#include "trigger_ui.h"
#include "public_editor.h"
#include "region_view.h"
#include "selection.h"
#include "timers.h"
#include "ui_config.h"
#include "utils.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace ArdourCanvas;
using namespace Gtkmm2ext;
using namespace PBD;
TriggerStopper::TriggerStopper (Item* parent, boost::shared_ptr<TriggerBox> t)
: ArdourCanvas::Rectangle (parent)
, _triggerbox (t)
{
set_layout_sensitive(true); //why???
name = X_("trigger stopper");
Event.connect (sigc::mem_fun (*this, &TriggerStopper::event_handler));
play_shape = new ArdourCanvas::Polygon (this);
play_shape->set_outline (false);
play_shape->name = X_("stopbutton");
play_shape->set_ignore_events (true);
play_shape->show ();
name_text = new Text (this);
name_text->set("Now Playing");
name_text->set_ignore_events (false);
/* prefs (theme colors) */
UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &TriggerStopper::ui_parameter_changed));
/* trigger changes */
_triggerbox->PropertyChanged.connect (trigger_prop_connection, MISSING_INVALIDATOR, boost::bind (&TriggerStopper::prop_change, this, _1), gui_context());
/* route changes */
// dynamic_cast<Stripable*> (_triggerbox->owner())->presentation_info().Change.connect (owner_prop_connection, MISSING_INVALIDATOR, boost::bind (&TriggerStopper::owner_prop_change, this, _1), gui_context());
PropertyChange changed;
changed.add (ARDOUR::Properties::name);
changed.add (ARDOUR::Properties::running);
prop_change (changed);
ui_parameter_changed("color-file");
}
TriggerStopper::~TriggerStopper ()
{
}
void
TriggerStopper::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 ();
}
//black area around text
set_source_rgba (context, UIConfiguration::instance().color ("theme:bg2"));
context->rectangle (16*scale, 1*scale, _rect.width()-2*scale, _rect.height()-2*scale);
context->fill ();
#if 0
//text
Glib::RefPtr<Pango::Layout> layout (Pango::Layout::create (context));
layout->set_font_description (UIConfiguration::instance().get_NormalFont());
layout->set_text (name_text->text());
//text clipping rect
context->save();
context->rectangle (2, 1, width-4, height-2);
context->clip();
//calculate the text size
int tw, th;
layout->get_pixel_size (tw, th);
//render the text (centered vertically)
context->translate( 18*scale, (height/2)-(th/2) );
set_source_rgba (context, UIConfiguration::instance().color ("neutral:foreground"));
layout->show_in_cairo_context (context);
context->restore ();
#endif
render_children (area, context);
//fade-over at right
uint32_t bg_color = UIConfiguration::instance().color ("theme:bg");
double bg_r,bg_g,bg_b, unused;
Gtkmm2ext::color_to_rgba( bg_color, bg_r, bg_g, bg_b, unused);
Cairo::RefPtr<Cairo::LinearGradient> left_pattern = Cairo::LinearGradient::create (_rect.width()-12*scale, 0, _rect.width(), 0);
left_pattern->add_color_stop_rgba (0, 0, 0, 0, 0);
left_pattern->add_color_stop_rgba (1, 0, 0, 0, 1);
context->set_source (left_pattern);
context->rectangle( _rect.width()-12*scale, 2*scale, 10*scale, _rect.height()-4*scale );
context->fill ();
}
void
TriggerStopper::owner_prop_change (PropertyChange const & pc)
{
if (pc.contains (Properties::color)) {
}
}
void
TriggerStopper::selection_change ()
{
}
bool
TriggerStopper::event_handler (GdkEvent* ev)
{
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) {
play_shape->set_fill_color (UIConfiguration::instance().color("neutral:foregroundest"));
}
redraw ();
break;
case GDK_LEAVE_NOTIFY:
if (ev->crossing.detail != GDK_NOTIFY_INFERIOR) {
play_shape->set_fill_color (UIConfiguration::instance().color("neutral:midground"));
}
redraw ();
break;
default:
break;
}
return false;
}
void
TriggerStopper::maybe_update ()
{
/* double nbw;
if (!_trigger->active()) {
nbw = 0;
} else {
nbw = _trigger->position_as_fraction () * (_allocation.width() - _allocation.height());
}
if (nbw) {
const double scale = UIConfiguration::instance().get_ui_scale();
ArdourCanvas::Rect r (get());
active_bar->set (ArdourCanvas::Rect (r.height() * scale,
(r.y0 + 1) * scale,
(r.height() + nbw - 1) * scale,
(r.y1 - 1) * scale));
active_bar->show ();
} else {
active_bar->hide ();
}
* */
}
void
TriggerStopper::_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));
play_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
TriggerStopper::prop_change (PropertyChange const & change)
{
if (change.contains (ARDOUR::Properties::name)
|| change.contains (ARDOUR::Properties::running)
) {
ARDOUR::Trigger *trigger = _triggerbox->currently_playing();
if (trigger) {
name_text->set (trigger->region()->name());
} else {
// name_text->set ("");
}
redraw();
}
}
void
TriggerStopper::ui_parameter_changed (std::string const& p)
{
if (p == "color-file") {
set_fill_color (UIConfiguration::instance().color("gtk_background"));
name_text->set_color (UIConfiguration::instance().color("neutral:foreground"));
play_shape->set_fill_color (UIConfiguration::instance().color("neutral:midground"));
}
redraw();
}
//====================================
CueStopper::CueStopper (Item* parent, boost::shared_ptr<TriggerBox> t)
: ArdourCanvas::Rectangle (parent)
, _triggerbox (t)
{
set_layout_sensitive(true); //why???
name = X_("trigger stopper");
Event.connect (sigc::mem_fun (*this, &CueStopper::event_handler));
play_shape = new ArdourCanvas::Polygon (this);
play_shape->set_outline (false);
play_shape->name = X_("stopbutton");
play_shape->set_ignore_events (true);
play_shape->show ();
name_text = new Text (this);
name_text->set("Now Playing");
name_text->set_ignore_events (false);
/* prefs (theme colors) */
UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &CueStopper::ui_parameter_changed));
/* trigger changes */
_triggerbox->PropertyChanged.connect (trigger_prop_connection, MISSING_INVALIDATOR, boost::bind (&CueStopper::prop_change, this, _1), gui_context());
/* route changes */
// dynamic_cast<Stripable*> (_triggerbox->owner())->presentation_info().Change.connect (owner_prop_connection, MISSING_INVALIDATOR, boost::bind (&CueStopper::owner_prop_change, this, _1), gui_context());
PropertyChange changed;
changed.add (ARDOUR::Properties::name);
changed.add (ARDOUR::Properties::running);
prop_change (changed);
ui_parameter_changed("color-file");
}
CueStopper::~CueStopper ()
{
}
void
CueStopper::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 ();
}
//black area around text
set_source_rgba (context, UIConfiguration::instance().color ("theme:bg2"));
context->rectangle (16*scale, 1*scale, _rect.width()-2*scale, _rect.height()-2*scale);
context->fill ();
#if 0
//text
Glib::RefPtr<Pango::Layout> layout (Pango::Layout::create (context));
layout->set_font_description (UIConfiguration::instance().get_NormalFont());
layout->set_text (name_text->text());
//text clipping rect
context->save();
context->rectangle (2, 1, width-4, height-2);
context->clip();
//calculate the text size
int tw, th;
layout->get_pixel_size (tw, th);
//render the text (centered vertically)
context->translate( 18*scale, (height/2)-(th/2) );
set_source_rgba (context, UIConfiguration::instance().color ("neutral:foreground"));
layout->show_in_cairo_context (context);
context->restore ();
#endif
render_children (area, context);
//fade-over at right
uint32_t bg_color = UIConfiguration::instance().color ("theme:bg");
double bg_r,bg_g,bg_b, unused;
Gtkmm2ext::color_to_rgba( bg_color, bg_r, bg_g, bg_b, unused);
Cairo::RefPtr<Cairo::LinearGradient> left_pattern = Cairo::LinearGradient::create (_rect.width()-12*scale, 0, _rect.width(), 0);
left_pattern->add_color_stop_rgba (0, 0, 0, 0, 0);
left_pattern->add_color_stop_rgba (1, 0, 0, 0, 1);
context->set_source (left_pattern);
context->rectangle( _rect.width()-12*scale, 2*scale, 10*scale, _rect.height()-4*scale );
context->fill ();
}
void
CueStopper::owner_prop_change (PropertyChange const & pc)
{
if (pc.contains (Properties::color)) {
}
}
void
CueStopper::selection_change ()
{
}
bool
CueStopper::event_handler (GdkEvent* ev)
{
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) {
play_shape->set_fill_color (UIConfiguration::instance().color("neutral:foregroundest"));
}
redraw ();
break;
case GDK_LEAVE_NOTIFY:
if (ev->crossing.detail != GDK_NOTIFY_INFERIOR) {
play_shape->set_fill_color (UIConfiguration::instance().color("neutral:midground"));
}
redraw ();
break;
default:
break;
}
return false;
}
void
CueStopper::maybe_update ()
{
/* double nbw;
if (!_trigger->active()) {
nbw = 0;
} else {
nbw = _trigger->position_as_fraction () * (_allocation.width() - _allocation.height());
}
if (nbw) {
const double scale = UIConfiguration::instance().get_ui_scale();
ArdourCanvas::Rect r (get());
active_bar->set (ArdourCanvas::Rect (r.height() * scale,
(r.y0 + 1) * scale,
(r.height() + nbw - 1) * scale,
(r.y1 - 1) * scale));
active_bar->show ();
} else {
active_bar->hide ();
}
* */
}
void
CueStopper::_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));
play_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
CueStopper::prop_change (PropertyChange const & change)
{
if (change.contains (ARDOUR::Properties::name)
|| change.contains (ARDOUR::Properties::running)
) {
ARDOUR::Trigger *trigger = _triggerbox->currently_playing();
if (trigger) {
name_text->set (trigger->region()->name());
} else {
// name_text->set ("");
}
redraw();
}
}
void
CueStopper::ui_parameter_changed (std::string const& p)
{
if (p == "color-file") {
set_fill_color (UIConfiguration::instance().color("gtk_background"));
name_text->set_color (UIConfiguration::instance().color("neutral:foreground"));
play_shape->set_fill_color (UIConfiguration::instance().color("neutral:midground"));
}
redraw();
}