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livetrax/gtk2_ardour/audio_region_editor.cc

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/*
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 <pbd/memento_command.h>
#include <ardour/audioregion.h>
#include <ardour/playlist.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:")),
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)
{
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);
ARDOUR_UI::instance()->tooltips().set_tip (audition_button, _("audition this region"));
audition_button.unset_flags (Gtk::CAN_FOCUS);
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_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);
lower_hbox.pack_start (time_table, true, true);
lower_hbox.pack_start (sep1, false, false);
lower_hbox.pack_start (sep2, false, false);
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));
_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);
}
}
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::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));
audition_button.signal_toggled().connect (mem_fun(*this, &AudioRegionEditor::audition_button_toggled));
_session.AuditionActive.connect (mem_fun(*this, &AudioRegionEditor::audition_state_changed));
}
void
AudioRegionEditor::start_clock_changed ()
{
_session.begin_reversible_command (_("change region start position"));
Playlist* const pl = _region->playlist();
if (pl) {
XMLNode &before = pl->get_state();
_region->set_position (start_clock.current_time(), this);
XMLNode &after = pl->get_state();
_session.add_command(new MementoCommand<Playlist>(*pl, &before, &after));
}
_session.commit_reversible_command ();
}
void
AudioRegionEditor::end_clock_changed ()
{
_session.begin_reversible_command (_("change region end position"));
Playlist* const pl = _region->playlist();
if (pl) {
XMLNode &before = pl->get_state();
_region->trim_end (end_clock.current_time(), this);
XMLNode &after = pl->get_state();
_session.add_command(new MementoCommand<Playlist>(*pl, &before, &after));
}
_session.commit_reversible_command ();
end_clock.set (_region->position() + _region->length(), true);
}
void
AudioRegionEditor::length_clock_changed ()
{
nframes_t frames = length_clock.current_time();
_session.begin_reversible_command (_("change region length"));
Playlist* const pl = _region->playlist();
if (pl) {
XMLNode &before = pl->get_state();
_region->trim_end (_region->position() + frames, this);
XMLNode &after = pl->get_state();
_session.add_command(new MementoCommand<Playlist>(*pl, &before, &after));
}
_session.commit_reversible_command ();
length_clock.set (_region->length());
}
void
AudioRegionEditor::audition_button_toggled ()
{
if (audition_button.get_active()) {
_session.audition_region (_region);
} else {
_session.cancel_audition ();
}
}
void
AudioRegionEditor::name_changed ()
{
if (name_entry.get_text() != _region->name()) {
name_entry.set_text (_region->name());
}
}
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::audition_state_changed (bool yn)
{
ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioRegionEditor::audition_state_changed), yn));
if (!yn) {
audition_button.set_active (false);
}
}