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livetrax/libs/surfaces/push2/gui.cc

316 lines
8.5 KiB
C++

/*
* Copyright (C) 2016 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/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 "push2.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*
Push2::get_gui () const
{
if (!gui) {
const_cast<Push2*>(this)->build_gui ();
}
static_cast<Gtk::VBox*>(gui)->show_all();
return gui;
}
void
Push2::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
Push2::build_gui ()
{
gui = new P2GUI (*this);
}
/*--------------------*/
P2GUI::P2GUI (Push2& p)
: p2 (p)
, table (2, 5)
, action_table (5, 4)
, ignore_active_change (false)
, pressure_mode_label (_("Pressure Mode"))
{
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;
string name = "push2-small.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;
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, &P2GUI::active_port_changed), &input_combo, true));
output_combo.signal_changed().connect (sigc::bind (sigc::mem_fun (*this, &P2GUI::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++;
table.attach (pressure_mode_label, 0, 1, row, row+1, AttachOptions (0), AttachOptions (0));
table.attach (pressure_mode_selector, 1, 2, row, row+1, AttachOptions (FILL|EXPAND), AttachOptions (0));
row++;
hpacker.pack_start (table, true, true);
pressure_mode_selector.set_model (build_pressure_mode_columns());
pressure_mode_selector.pack_start (pressure_mode_columns.name);
pressure_mode_selector.set_active ((int) p2.pressure_mode());
pressure_mode_selector.signal_changed().connect (sigc::mem_fun (*this, &P2GUI::reprogram_pressure_mode));
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 (&P2GUI::connection_handler, this), gui_context());
p2.ConnectionChange.connect (connection_change_connection, invalidator (*this), boost::bind (&P2GUI::connection_handler, this), gui_context());
}
P2GUI::~P2GUI ()
{
}
void
P2GUI::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
P2GUI::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 (p2.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 (p2.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>
P2GUI::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
P2GUI::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) {
p2.input_port()->disconnect_all ();
} else {
p2.output_port()->disconnect_all ();
}
return;
}
if (for_input) {
if (!p2.input_port()->connected_to (new_port)) {
p2.input_port()->disconnect_all ();
p2.input_port()->connect (new_port);
}
} else {
if (!p2.output_port()->connected_to (new_port)) {
p2.output_port()->disconnect_all ();
p2.output_port()->connect (new_port);
}
}
}
Glib::RefPtr<Gtk::ListStore>
P2GUI::build_pressure_mode_columns ()
{
Glib::RefPtr<Gtk::ListStore> store = ListStore::create (pressure_mode_columns);
TreeModel::Row row;
row = *store->append();
row[pressure_mode_columns.name] = _("AfterTouch (Channel Pressure)");
row[pressure_mode_columns.mode] = Push2::AfterTouch;
row = *store->append();
row[pressure_mode_columns.name] = _("Polyphonic Pressure (Note Pressure)");
row[pressure_mode_columns.mode] = Push2::PolyPressure;
return store;
}
void
P2GUI::reprogram_pressure_mode ()
{
Gtk::TreeModel::iterator iter = pressure_mode_selector.get_active();
Push2::PressureMode pm;
if (iter) {
Gtk::TreeModel::Row row = *iter;
if (row) {
pm = row[pressure_mode_columns.mode];
} else {
pm = Push2::AfterTouch;
}
} else {
pm = Push2::AfterTouch;
}
cerr << "Reprogram pm to " << pm << endl;
p2.set_pressure_mode (pm);
}