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livetrax/gtk2_ardour/audio_region_editor.cc
Paul Davis ce234f363e use shared_ptr<> for all region handling
git-svn-id: svn://localhost/ardour2/trunk@852 d708f5d6-7413-0410-9779-e7cbd77b26cf
2006-08-25 01:07:15 +00:00

732 lines
22 KiB
C++

/*
Copyright (C) 2001 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.
$Id$
*/
#include <ardour/audioregion.h>
#include <ardour/utils.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/stop_signal.h>
#include <cmath>
#include "audio_region_editor.h"
#include "audio_region_view.h"
#include "ardour_ui.h"
#include "utils.h"
#include "gui_thread.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace sigc;
using namespace std;
AudioRegionEditor::AudioRegionEditor (Session& s, boost::shared_ptr<AudioRegion> r, AudioRegionView& rv)
: RegionEditor (s),
_region (r),
_region_view (rv),
name_label (_("NAME:")),
lock_button (_("lock")),
mute_button (_("mute")),
opaque_button (_("opaque")),
envelope_active_button(_("active")),
envelope_view_button(_("visible")),
raise_arrow (Gtk::ARROW_UP, Gtk::SHADOW_OUT),
lower_arrow (Gtk::ARROW_DOWN, Gtk::SHADOW_OUT),
layer_label (_("Layer")),
audition_button (_("play")),
time_table (3, 2),
start_clock ("AudioRegionEditorClock", true),
end_clock ("AudioRegionEditorClock", true),
length_clock ("AudioRegionEditorClock", true, true),
sync_offset_clock ("AudioRegionEditorClock", true, true),
envelope_loop_table (1, 3),
envelope_label (_("ENVELOPE")),
fade_in_table (4, 3),
fade_in_length_adjustment (5.0, 0.0, 10000, 0.05, 1),
fade_in_length_spinner (fade_in_length_adjustment, 10),
fade_out_table (4, 3),
fade_out_length_adjustment (5.0, 0.0, 10000, 0.05, 1),
fade_out_length_spinner (fade_out_length_adjustment, 10)
{
start_clock.set_session (&_session);
end_clock.set_session (&_session);
length_clock.set_session (&_session);
name_entry.set_name ("AudioRegionEditorEntry");
name_label.set_name ("AudioRegionEditorLabel");
name_hbox.set_spacing (5);
name_hbox.pack_start (name_label, false, false);
name_hbox.pack_start (name_entry, false, false);
raise_button.add (raise_arrow);
lower_button.add (lower_arrow);
layer_frame.set_name ("BaseFrame");
layer_frame.set_shadow_type (Gtk::SHADOW_IN);
layer_frame.add (layer_value_label);
layer_label.set_name ("AudioRegionEditorLabel");
layer_value_label.set_name ("AudioRegionEditorLabel");
Gtkmm2ext::set_size_request_to_display_given_text (layer_value_label, "99", 5, 2);
layer_hbox.set_spacing (5);
layer_hbox.pack_start (layer_label, false, false);
layer_hbox.pack_start (layer_frame, false, false);
#if 0
layer_hbox.pack_start (raise_button, false, false);
layer_hbox.pack_start (lower_button, false, false);
#endif
mute_button.set_name ("AudioRegionEditorToggleButton");
opaque_button.set_name ("AudioRegionEditorToggleButton");
lock_button.set_name ("AudioRegionEditorToggleButton");
envelope_active_button.set_name ("AudioRegionEditorToggleButton");
envelope_view_button.set_name ("AudioRegionEditorToggleButton");
fade_in_active_button.set_name ("AudioRegionEditorToggleButton");
fade_out_active_button.set_name ("AudioRegionEditorToggleButton");
audition_button.set_name ("AudioRegionEditorToggleButton");
ARDOUR_UI::instance()->tooltips().set_tip (mute_button, _("mute this region"));
ARDOUR_UI::instance()->tooltips().set_tip (opaque_button, _("regions underneath this one cannot be heard"));
ARDOUR_UI::instance()->tooltips().set_tip (lock_button, _("prevent any changes to this region"));
ARDOUR_UI::instance()->tooltips().set_tip (envelope_active_button, _("use the gain envelope during playback"));
ARDOUR_UI::instance()->tooltips().set_tip (envelope_view_button, _("show the gain envelope"));
ARDOUR_UI::instance()->tooltips().set_tip (fade_in_active_button, _("use fade in curve during playback"));
ARDOUR_UI::instance()->tooltips().set_tip (fade_out_active_button, _("use fade out curve during playback"));
ARDOUR_UI::instance()->tooltips().set_tip (audition_button, _("audition this region"));
mute_button.unset_flags (Gtk::CAN_FOCUS);
opaque_button.unset_flags (Gtk::CAN_FOCUS);
lock_button.unset_flags (Gtk::CAN_FOCUS);
envelope_active_button.unset_flags (Gtk::CAN_FOCUS);
envelope_view_button.unset_flags (Gtk::CAN_FOCUS);
fade_in_active_button.unset_flags (Gtk::CAN_FOCUS);
fade_out_active_button.unset_flags (Gtk::CAN_FOCUS);
audition_button.unset_flags (Gtk::CAN_FOCUS);
mute_button.set_events (mute_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
opaque_button.set_events (opaque_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
lock_button.set_events (lock_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
envelope_active_button.set_events (envelope_active_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
envelope_view_button.set_events (envelope_view_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
fade_in_active_button.set_events (fade_in_active_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
fade_out_active_button.set_events (fade_out_active_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
audition_button.set_events (audition_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
top_row_button_hbox.set_border_width (5);
top_row_button_hbox.set_spacing (5);
top_row_button_hbox.set_homogeneous (false);
top_row_button_hbox.pack_start (mute_button, false, false);
top_row_button_hbox.pack_start (opaque_button, false, false);
top_row_button_hbox.pack_start (lock_button, false, false);
top_row_button_hbox.pack_start (layer_hbox, false, false, 5);
top_row_button_hbox.pack_end (audition_button, false, false);
top_row_hbox.pack_start (name_hbox, true, true);
top_row_hbox.pack_end (top_row_button_hbox, true, true);
start_label.set_name ("AudioRegionEditorLabel");
start_label.set_text (_("START:"));
end_label.set_name ("AudioRegionEditorLabel");
end_label.set_text (_("END:"));
length_label.set_name ("AudioRegionEditorLabel");
length_label.set_text (_("LENGTH:"));
time_table.set_col_spacings (2);
time_table.set_row_spacings (5);
time_table.set_border_width (5);
start_alignment.set (1.0, 0.5);
end_alignment.set (1.0, 0.5);
length_alignment.set (1.0, 0.5);
start_alignment.add (start_label);
end_alignment.add (end_label);
length_alignment.add (length_label);
time_table.attach (start_alignment, 0, 1, 0, 1, Gtk::FILL, Gtk::FILL);
time_table.attach (start_clock, 1, 2, 0, 1, Gtk::FILL, Gtk::FILL);
time_table.attach (end_alignment, 0, 1, 1, 2, Gtk::FILL, Gtk::FILL);
time_table.attach (end_clock, 1, 2, 1, 2, Gtk::FILL, Gtk::FILL);
time_table.attach (length_alignment, 0, 1, 2, 3, Gtk::FILL, Gtk::FILL);
time_table.attach (length_clock, 1, 2, 2, 3, Gtk::FILL, Gtk::FILL);
envelope_label.set_name ("AudioRegionEditorLabel");
envelope_loop_table.set_border_width (5);
envelope_loop_table.set_row_spacings (2);
envelope_loop_table.attach (envelope_label, 0, 1, 0, 1, Gtk::FILL, Gtk::FILL);
envelope_loop_table.attach (envelope_active_button, 0, 1, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL);
envelope_loop_table.attach (envelope_view_button, 0, 1, 2, 3, Gtk::FILL|Gtk::EXPAND, Gtk::FILL);
/* fade in */
fade_in_table.set_border_width (5);
fade_in_table.set_homogeneous (false);
fade_in_label.set_name ("AudioRegionEditorLabel");
fade_in_active_button_label.set_name ("AudioRegionEditorSmallLabel");
fade_in_length_label.set_name ("AudioRegionEditorSmallLabel");
fade_in_label.set_text (_("FADE IN"));
fade_in_active_button_label.set_text (_("active"));
fade_in_length_label.set_text (_("msecs"));
fade_in_active_button.add (fade_in_active_button_label);
fade_in_length_spinner.set_name("GenericSpinner");
fade_in_length_spinner.set_digits (3);
// fade_in_length_spinner.signal_activate().connect (mem_fun(*this, &AudioRegionEditor::activation));
Gtkmm2ext::set_size_request_to_display_given_text (fade_in_length_spinner, "500g", 20, -1);
fade_in_label_align.add (fade_in_label);
fade_in_label_align.set (0.5);
fade_in_table.attach (fade_in_label_align, 0, 2, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL);
fade_in_table.attach (fade_in_length_label, 0, 1, 1, 2, Gtk::EXPAND, Gtk::FILL);
fade_in_table.attach (fade_in_length_spinner, 0, 1, 2, 3, Gtk::FILL|Gtk::EXPAND, Gtk::FILL);
fade_in_table.attach (fade_in_active_button, 0, 2, 3, 5, Gtk::FILL|Gtk::EXPAND, Gtk::FILL);
/* fade out */
fade_out_table.set_border_width (5);
fade_out_table.set_homogeneous (false);
fade_out_label.set_name ("AudioRegionEditorLabel");
fade_out_active_button_label.set_name ("AudioRegionEditorSmallLabel");
fade_out_length_label.set_name ("AudioRegionEditorSmallLabel");
fade_out_label.set_text (_("FADE OUT"));
fade_out_active_button_label.set_text (_("active"));
fade_out_length_label.set_text (_("msecs"));
fade_out_active_button.add (fade_out_active_button_label);
fade_out_length_spinner.set_name("GenericSpinner");
fade_out_length_spinner.set_digits (3);
fade_out_length_spinner.signal_activate().connect (mem_fun(*this, &AudioRegionEditor::activation));
Gtkmm2ext::set_size_request_to_display_given_text (fade_out_length_spinner, "500g", 20, -1);
fade_out_label_align.add (fade_out_label);
fade_out_label_align.set (0.5);
fade_out_table.attach (fade_out_label_align, 0, 2, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL);
fade_out_table.attach (fade_out_length_label, 0, 1, 1, 2, Gtk::EXPAND, Gtk::FILL);
fade_out_table.attach (fade_out_length_spinner, 0, 1, 2, 3, Gtk::FILL|Gtk::EXPAND, Gtk::FILL);
fade_out_table.attach (fade_out_active_button, 0, 2, 3, 5, Gtk::FILL|Gtk::EXPAND, Gtk::FILL);
lower_hbox.pack_start (time_table, true, true);
lower_hbox.pack_start (sep1, false, false);
lower_hbox.pack_start (envelope_loop_table, true, true);
lower_hbox.pack_start (sep2, false, false);
lower_hbox.pack_start (fade_in_table, true, true);
lower_hbox.pack_start (fade_out_table, true, true);
get_vbox()->pack_start (top_row_hbox, true, true);
get_vbox()->pack_start (sep3, false, false);
get_vbox()->pack_start (lower_hbox, true, true);
set_name ("AudioRegionEditorWindow");
add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (this)));
string title = _("ardour: region ");
title += _region->name();
set_title (title);
show_all();
name_changed ();
bounds_changed (Change (StartChanged|LengthChanged|PositionChanged));
envelope_active_changed ();
mute_changed ();
opacity_changed ();
lock_changed ();
layer_changed ();
fade_in_changed ();
fade_out_changed ();
XMLNode *node = _region->extra_xml ("GUI");
XMLProperty *prop = 0;
bool showing_envelope = false;
if (node && (prop = node->property ("envelope-visible")) != 0) {
if (prop->value() == "yes") {
showing_envelope = true;
}
}
if (showing_envelope) {
envelope_view_button.set_active (true);
} else {
envelope_view_button.set_active (false);
}
_region->StateChanged.connect (mem_fun(*this, &AudioRegionEditor::region_changed));
spin_arrow_grab = false;
connect_editor_events ();
}
AudioRegionEditor::~AudioRegionEditor ()
{
}
void
AudioRegionEditor::region_changed (Change what_changed)
{
if (what_changed & NameChanged) {
name_changed ();
}
if (what_changed & BoundsChanged) {
bounds_changed (what_changed);
}
if (what_changed & Region::OpacityChanged) {
opacity_changed ();
}
if (what_changed & Region::MuteChanged) {
mute_changed ();
}
if (what_changed & Region::LockChanged) {
lock_changed ();
}
if (what_changed & Region::LayerChanged) {
layer_changed ();
}
if (what_changed & AudioRegion::EnvelopeActiveChanged) {
envelope_active_changed ();
}
if (what_changed & AudioRegion::FadeInChanged) {
fade_in_changed ();
}
if (what_changed & AudioRegion::FadeOutChanged) {
fade_out_changed ();
}
if (what_changed & AudioRegion::FadeInActiveChanged) {
fade_in_active_changed ();
}
if (what_changed & AudioRegion::FadeOutActiveChanged) {
fade_out_active_changed ();
}
}
void
AudioRegionEditor::fade_in_realized ()
{
fade_in_changed ();
}
void
AudioRegionEditor::fade_out_realized ()
{
fade_out_changed ();
}
gint
AudioRegionEditor::bpressed (GdkEventButton* ev, Gtk::SpinButton* but, void (AudioRegionEditor::*pmf)())
{
switch (ev->button) {
case 1:
case 2:
case 3:
if (ev->type == GDK_BUTTON_PRESS) { /* no double clicks here */
if (!spin_arrow_grab) {
// GTK2FIX probably nuke the region editor
// if ((ev->window == but->gobj()->panel)) {
// spin_arrow_grab = true;
// (this->*pmf)();
// }
}
}
break;
default:
break;
}
return FALSE;
}
gint
AudioRegionEditor::breleased (GdkEventButton* ev, Gtk::SpinButton* but, void (AudioRegionEditor::*pmf)())
{
if (spin_arrow_grab) {
(this->*pmf)();
spin_arrow_grab = false;
}
return FALSE;
}
void
AudioRegionEditor::start_editing_fade_in ()
{
_region->freeze ();
}
void
AudioRegionEditor::stop_editing_fade_in ()
{
_region->thaw (_("fade in edit"));
}
void
AudioRegionEditor::start_editing_fade_out ()
{
_region->freeze ();
}
void
AudioRegionEditor::stop_editing_fade_out ()
{
_region->thaw (_("fade out edit"));
}
void
AudioRegionEditor::connect_editor_events ()
{
name_entry.signal_changed().connect (mem_fun(*this, &AudioRegionEditor::name_entry_changed));
start_clock.ValueChanged.connect (mem_fun(*this, &AudioRegionEditor::start_clock_changed));
end_clock.ValueChanged.connect (mem_fun(*this, &AudioRegionEditor::end_clock_changed));
length_clock.ValueChanged.connect (mem_fun(*this, &AudioRegionEditor::length_clock_changed));
fade_in_length_spinner.signal_button_press_event().connect (bind (mem_fun(*this, &AudioRegionEditor::bpressed), &fade_in_length_spinner,
&AudioRegionEditor::start_editing_fade_in));
fade_in_length_spinner.signal_button_release_event().connect (bind (mem_fun (*this, &AudioRegionEditor::breleased), &fade_in_length_spinner,
&AudioRegionEditor::stop_editing_fade_in));
fade_out_length_spinner.signal_button_press_event().connect (bind (mem_fun(*this, &AudioRegionEditor::bpressed), &fade_out_length_spinner,
&AudioRegionEditor::start_editing_fade_out));
fade_out_length_spinner.signal_button_release_event().connect (bind (mem_fun (*this, &AudioRegionEditor::breleased), &fade_out_length_spinner,
&AudioRegionEditor::stop_editing_fade_out));
fade_in_length_adjustment.signal_value_changed().connect (mem_fun(*this, &AudioRegionEditor::fade_in_length_adjustment_changed));
fade_out_length_adjustment.signal_value_changed().connect (mem_fun(*this, &AudioRegionEditor::fade_out_length_adjustment_changed));
fade_in_active_button.signal_toggled().connect (mem_fun(*this, &AudioRegionEditor::fade_in_active_toggled));
fade_out_active_button.signal_toggled().connect (mem_fun(*this, &AudioRegionEditor::fade_out_active_toggled));
envelope_active_button.signal_button_press_event().connect (mem_fun(*this, &AudioRegionEditor::envelope_active_button_press));
envelope_active_button.signal_button_release_event().connect (mem_fun(*this, &AudioRegionEditor::envelope_active_button_release));
audition_button.signal_toggled().connect (mem_fun(*this, &AudioRegionEditor::audition_button_toggled));
envelope_view_button.signal_toggled().connect (mem_fun(*this, &AudioRegionEditor::envelope_view_button_toggled));
lock_button.signal_clicked().connect (mem_fun(*this, &AudioRegionEditor::lock_button_clicked));
mute_button.signal_clicked().connect (mem_fun(*this, &AudioRegionEditor::mute_button_clicked));
opaque_button.signal_clicked().connect (mem_fun(*this, &AudioRegionEditor::opaque_button_clicked));
raise_button.signal_clicked().connect (mem_fun(*this, &AudioRegionEditor::raise_button_clicked));
lower_button.signal_clicked().connect (mem_fun(*this, &AudioRegionEditor::lower_button_clicked));
_session.AuditionActive.connect (mem_fun(*this, &AudioRegionEditor::audition_state_changed));
}
void
AudioRegionEditor::start_clock_changed ()
{
_region->set_position (start_clock.current_time(), this);
}
void
AudioRegionEditor::end_clock_changed ()
{
_region->trim_end (end_clock.current_time(), this);
end_clock.set (_region->position() + _region->length(), true);
}
void
AudioRegionEditor::length_clock_changed ()
{
jack_nframes_t frames = length_clock.current_time();
_region->trim_end (_region->position() + frames, this);
length_clock.set (_region->length());
}
gint
AudioRegionEditor::envelope_active_button_press(GdkEventButton *ev)
{
return stop_signal (envelope_active_button, "button_press_event");
}
gint
AudioRegionEditor::envelope_active_button_release (GdkEventButton *ev)
{
_region->set_envelope_active (!_region->envelope_active());
return stop_signal (envelope_active_button, "button_release_event");
}
void
AudioRegionEditor::envelope_view_button_toggled ()
{
bool visible = envelope_view_button.get_active ();
_region_view.set_envelope_visible (visible);
}
void
AudioRegionEditor::audition_button_toggled ()
{
if (audition_button.get_active()) {
_session.audition_region (_region);
} else {
_session.cancel_audition ();
}
}
void
AudioRegionEditor::raise_button_clicked ()
{
_region->raise ();
}
void
AudioRegionEditor::lower_button_clicked ()
{
_region->lower ();
}
void
AudioRegionEditor::opaque_button_clicked ()
{
bool ractive = _region->opaque();
if (opaque_button.get_active() != ractive) {
_region->set_opaque (!ractive);
}
}
void
AudioRegionEditor::mute_button_clicked ()
{
bool ractive = _region->muted();
if (mute_button.get_active() != ractive) {
_region->set_muted (!ractive);
}
}
void
AudioRegionEditor::lock_button_clicked ()
{
bool ractive = _region->locked();
if (lock_button.get_active() != ractive) {
_region->set_locked (!ractive);
}
}
void
AudioRegionEditor::layer_changed ()
{
char buf[8];
snprintf (buf, sizeof(buf), "%d", (int) _region->layer() + 1);
layer_value_label.set_text (buf);
}
void
AudioRegionEditor::name_changed ()
{
if (name_entry.get_text() != _region->name()) {
name_entry.set_text (_region->name());
}
}
void
AudioRegionEditor::lock_changed ()
{
bool yn;
if ((yn = _region->locked()) != lock_button.get_active()) {
lock_button.set_active (yn);
}
start_clock.set_sensitive (!yn);
end_clock.set_sensitive (!yn);
length_clock.set_sensitive (!yn);
}
void
AudioRegionEditor::envelope_active_changed ()
{
bool yn;
if ((yn = _region->envelope_active()) != envelope_active_button.get_active()) {
envelope_active_button.set_active (yn);
}
}
void
AudioRegionEditor::opacity_changed ()
{
bool yn;
if ((yn = _region->opaque()) != opaque_button.get_active()) {
opaque_button.set_active (yn);
}
}
void
AudioRegionEditor::mute_changed ()
{
bool yn;
if ((yn = _region->muted()) != mute_button.get_active()) {
mute_button.set_active (yn);
}
}
void
AudioRegionEditor::bounds_changed (Change what_changed)
{
if (what_changed & Change ((PositionChanged|LengthChanged))) {
start_clock.set (_region->position(), true);
end_clock.set (_region->position() + _region->length(), true);
length_clock.set (_region->length(), true);
}
}
void
AudioRegionEditor::activation ()
{
}
void
AudioRegionEditor::name_entry_changed ()
{
if (name_entry.get_text() != _region->name()) {
_region->set_name (name_entry.get_text());
}
}
void
AudioRegionEditor::fade_in_changed ()
{
float msecs = fade_in_length_adjustment.get_value();
jack_nframes_t sr = _session.frame_rate();
jack_nframes_t adj_frames = (jack_nframes_t) floor (msecs * (sr/1000.0f));
jack_nframes_t frames;
bool x;
if (adj_frames != (frames = (jack_nframes_t) _region->fade_in().back()->when)) {
fade_in_length_adjustment.set_value ((frames * 1000.0f) / sr);
}
if ((x = _region->fade_in_active()) != fade_in_active_button.get_active()) {
fade_in_active_button.set_active (x);
}
}
void
AudioRegionEditor::fade_out_changed ()
{
float msecs = fade_out_length_adjustment.get_value();
jack_nframes_t sr = _session.frame_rate();
jack_nframes_t adj_frames = (jack_nframes_t) floor (msecs * (sr/1000.0f));
jack_nframes_t frames;
bool x;
if (adj_frames != (frames = (jack_nframes_t) _region->fade_out().back()->when)) {
fade_out_length_adjustment.set_value ((frames * 1000.0f) / sr);
}
if ((x = _region->fade_out_active()) != fade_out_active_button.get_active()) {
fade_out_active_button.set_active (x);
}
}
void
AudioRegionEditor::fade_in_length_adjustment_changed ()
{
jack_nframes_t fade_length = (jack_nframes_t) floor (fade_in_length_adjustment.get_value() * _session.frame_rate() * 0.001);
fade_length = max (fade_length, (jack_nframes_t) 64);
fade_length = min (fade_length, _region->length());
_region->set_fade_in_length (fade_length);
/* region is frozen, no worries */
fade_in_changed();
}
void
AudioRegionEditor::fade_out_length_adjustment_changed ()
{
jack_nframes_t fade_length = (jack_nframes_t) floor (fade_out_length_adjustment.get_value() * _session.frame_rate() * 0.001);
fade_length = max (fade_length, (jack_nframes_t) 64);
fade_length = min (fade_length, _region->length());
_region->set_fade_out_length (fade_length);
/* region is frozen, no worries */
fade_out_changed();
}
void
AudioRegionEditor::fade_in_active_toggled ()
{
_region->set_fade_in_active (fade_in_active_button.get_active());
}
void
AudioRegionEditor::fade_out_active_toggled ()
{
_region->set_fade_out_active (fade_out_active_button.get_active());
}
void
AudioRegionEditor::fade_out_active_changed ()
{
bool x;
if ((x = _region->fade_out_active()) != fade_out_active_button.get_active()) {
fade_out_active_button.set_active (x);
}
}
void
AudioRegionEditor::fade_in_active_changed ()
{
bool x;
if ((x = _region->fade_in_active()) != fade_in_active_button.get_active()) {
fade_in_active_button.set_active (x);
}
}
void
AudioRegionEditor::audition_state_changed (bool yn)
{
ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioRegionEditor::audition_state_changed), yn));
if (!yn) {
audition_button.set_active (false);
}
}