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livetrax/libs/surfaces/launch_control_xl/gui.cc

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/*
Copyright (C) 2015 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.
*/
#include <gtkmm/alignment.h>
#include <gtkmm/label.h>
#include <gtkmm/liststore.h>
#include "pbd/unwind.h"
#include "pbd/strsplit.h"
#include "pbd/file_utils.h"
#include "gtkmm2ext/bindings.h"
#include "gtkmm2ext/gui_thread.h"
#include "gtkmm2ext/utils.h"
#include "ardour/audioengine.h"
#include "ardour/filesystem_paths.h"
#include "ardour/parameter_descriptor.h"
#include "ardour/debug.h"
#include "launch_control_xl.h"
#include "gui.h"
#include "pbd/i18n.h"
using namespace PBD;
using namespace ARDOUR;
using namespace ArdourSurface;
using namespace std;
using namespace Gtk;
using namespace Gtkmm2ext;
void*
LaunchControlXL::get_gui () const
{
if (!gui) {
const_cast<LaunchControlXL*>(this)->build_gui ();
}
static_cast<Gtk::VBox*>(gui)->show_all();
return gui;
}
void
LaunchControlXL::tear_down_gui ()
{
if (gui) {
Gtk::Widget *w = static_cast<Gtk::VBox*>(gui)->get_parent();
if (w) {
w->hide();
delete w;
}
}
delete gui;
gui = 0;
}
void
LaunchControlXL::build_gui ()
{
gui = new LCXLGUI (*this);
}
/*--------------------*/
LCXLGUI::LCXLGUI (LaunchControlXL& p)
: lcxl (p)
, table (2, 5)
, action_table (5, 4)
, ignore_active_change (false)
{
set_border_width (12);
table.set_row_spacings (4);
table.set_col_spacings (6);
table.set_border_width (12);
table.set_homogeneous (false);
std::string data_file_path;
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string name = "launch_control_xl.png";
Searchpath spath(ARDOUR::ardour_data_search_path());
spath.add_subdirectory_to_paths ("icons");
find_file (spath, name, data_file_path);
if (!data_file_path.empty()) {
image.set (data_file_path);
hpacker.pack_start (image, false, false);
}
Gtk::Label* l;
Gtk::Alignment* align;
int row = 0;
input_combo.pack_start (midi_port_columns.short_name);
output_combo.pack_start (midi_port_columns.short_name);
input_combo.signal_changed().connect (sigc::bind (sigc::mem_fun (*this, &LCXLGUI::active_port_changed), &input_combo, true));
output_combo.signal_changed().connect (sigc::bind (sigc::mem_fun (*this, &LCXLGUI::active_port_changed), &output_combo, false));
l = manage (new Gtk::Label);
l->set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Incoming MIDI on:")));
l->set_alignment (1.0, 0.5);
table.attach (*l, 0, 1, row, row+1, AttachOptions(FILL|EXPAND), AttachOptions(0));
table.attach (input_combo, 1, 2, row, row+1, AttachOptions(FILL|EXPAND), AttachOptions(0), 0, 0);
row++;
l = manage (new Gtk::Label);
l->set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Outgoing MIDI on:")));
l->set_alignment (1.0, 0.5);
table.attach (*l, 0, 1, row, row+1, AttachOptions(FILL|EXPAND), AttachOptions(0));
table.attach (output_combo, 1, 2, row, row+1, AttachOptions(FILL|EXPAND), AttachOptions(0), 0, 0);
row++;
/* User Settings */
l = manage (new Gtk::Label (_("Fader 8 Master")));
l->set_alignment (1.0, 0.5);
table.attach (*l, 0, 1, row, row+1, AttachOptions(FILL|EXPAND), AttachOptions (0));
align = manage (new Alignment);
align->set (0.0, 0.5);
align->add (fader8master_button);
table.attach (*align, 1, 2, row, row+1, AttachOptions(FILL|EXPAND), AttachOptions (0),0,0);
fader8master_button.set_active (lcxl.fader8master());
fader8master_button.signal_toggled().connect (sigc::mem_fun (*this, &LCXLGUI::toggle_fader8master));
row++;
hpacker.pack_start (table, true, true);
set_spacing (12);
pack_start (hpacker, false, false);
/* update the port connection combos */
update_port_combos ();
/* catch future changes to connection state */
ARDOUR::AudioEngine::instance()->PortRegisteredOrUnregistered.connect (port_reg_connection, invalidator (*this), boost::bind (&LCXLGUI::connection_handler, this), gui_context());
lcxl.ConnectionChange.connect (connection_change_connection, invalidator (*this), boost::bind (&LCXLGUI::connection_handler, this), gui_context());
}
LCXLGUI::~LCXLGUI ()
{
}
void
LCXLGUI::connection_handler ()
{
/* ignore all changes to combobox active strings here, because we're
updating them to match a new ("external") reality - we were called
because port connections have changed.
*/
PBD::Unwinder<bool> ici (ignore_active_change, true);
update_port_combos ();
}
void
LCXLGUI::update_port_combos ()
{
vector<string> midi_inputs;
vector<string> midi_outputs;
ARDOUR::AudioEngine::instance()->get_ports ("", ARDOUR::DataType::MIDI, ARDOUR::PortFlags (ARDOUR::IsOutput|ARDOUR::IsTerminal), midi_inputs);
ARDOUR::AudioEngine::instance()->get_ports ("", ARDOUR::DataType::MIDI, ARDOUR::PortFlags (ARDOUR::IsInput|ARDOUR::IsTerminal), midi_outputs);
Glib::RefPtr<Gtk::ListStore> input = build_midi_port_list (midi_inputs, true);
Glib::RefPtr<Gtk::ListStore> output = build_midi_port_list (midi_outputs, false);
bool input_found = false;
bool output_found = false;
int n;
input_combo.set_model (input);
output_combo.set_model (output);
Gtk::TreeModel::Children children = input->children();
Gtk::TreeModel::Children::iterator i;
i = children.begin();
++i; /* skip "Disconnected" */
for (n = 1; i != children.end(); ++i, ++n) {
string port_name = (*i)[midi_port_columns.full_name];
if (lcxl.input_port()->connected_to (port_name)) {
input_combo.set_active (n);
input_found = true;
break;
}
}
if (!input_found) {
input_combo.set_active (0); /* disconnected */
}
children = output->children();
i = children.begin();
++i; /* skip "Disconnected" */
for (n = 1; i != children.end(); ++i, ++n) {
string port_name = (*i)[midi_port_columns.full_name];
if (lcxl.output_port()->connected_to (port_name)) {
output_combo.set_active (n);
output_found = true;
break;
}
}
if (!output_found) {
output_combo.set_active (0); /* disconnected */
}
}
Glib::RefPtr<Gtk::ListStore>
LCXLGUI::build_midi_port_list (vector<string> const & ports, bool for_input)
{
Glib::RefPtr<Gtk::ListStore> store = ListStore::create (midi_port_columns);
TreeModel::Row row;
row = *store->append ();
row[midi_port_columns.full_name] = string();
row[midi_port_columns.short_name] = _("Disconnected");
for (vector<string>::const_iterator p = ports.begin(); p != ports.end(); ++p) {
row = *store->append ();
row[midi_port_columns.full_name] = *p;
std::string pn = ARDOUR::AudioEngine::instance()->get_pretty_name_by_name (*p);
if (pn.empty ()) {
pn = (*p).substr ((*p).find (':') + 1);
}
row[midi_port_columns.short_name] = pn;
}
return store;
}
void
LCXLGUI::active_port_changed (Gtk::ComboBox* combo, bool for_input)
{
if (ignore_active_change) {
return;
}
TreeModel::iterator active = combo->get_active ();
string new_port = (*active)[midi_port_columns.full_name];
if (new_port.empty()) {
if (for_input) {
lcxl.input_port()->disconnect_all ();
} else {
lcxl.output_port()->disconnect_all ();
}
return;
}
if (for_input) {
if (!lcxl.input_port()->connected_to (new_port)) {
lcxl.input_port()->disconnect_all ();
lcxl.input_port()->connect (new_port);
}
} else {
if (!lcxl.output_port()->connected_to (new_port)) {
lcxl.output_port()->disconnect_all ();
lcxl.output_port()->connect (new_port);
}
}
}
void
LCXLGUI::toggle_fader8master ()
{
DEBUG_TRACE(DEBUG::LaunchControlXL, string_compose("use_fader8master WAS: %1\n", lcxl.fader8master()));
lcxl.set_fader8master (!lcxl.fader8master());
DEBUG_TRACE(DEBUG::LaunchControlXL, string_compose("use_fader8master IS: %1\n", lcxl.fader8master()));
}