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livetrax/libs/surfaces/generic_midi/gmcp_gui.cc

404 lines
10 KiB
C++

/*
Copyright (C) 2009-2012 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 <iostream>
#include <list>
#include <string>
#include <gtkmm/comboboxtext.h>
#include <gtkmm/label.h>
#include <gtkmm/box.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/table.h>
#include <gtkmm/liststore.h>
#include "pbd/unwind.h"
#include "ardour/audioengine.h"
#include "ardour/port.h"
#include "ardour/midi_port.h"
#include "gtkmm2ext/gtk_ui.h"
#include "gtkmm2ext/gui_thread.h"
#include "gtkmm2ext/utils.h"
#include "generic_midi_control_protocol.h"
#include "i18n.h"
class GMCPGUI : public Gtk::VBox
{
public:
GMCPGUI (GenericMidiControlProtocol&);
~GMCPGUI ();
private:
GenericMidiControlProtocol& cp;
Gtk::ComboBoxText map_combo;
Gtk::Adjustment bank_adjustment;
Gtk::SpinButton bank_spinner;
Gtk::CheckButton motorised_button;
Gtk::Adjustment threshold_adjustment;
Gtk::SpinButton threshold_spinner;
Gtk::ComboBox input_combo;
Gtk::ComboBox output_combo;
void binding_changed ();
void bank_changed ();
void motorised_changed ();
void threshold_changed ();
void update_port_combos ();
PBD::ScopedConnection connection_change_connection;
void connection_handler ();
struct MidiPortColumns : public Gtk::TreeModel::ColumnRecord {
MidiPortColumns() {
add (short_name);
add (full_name);
}
Gtk::TreeModelColumn<std::string> short_name;
Gtk::TreeModelColumn<std::string> full_name;
};
MidiPortColumns midi_port_columns;
bool ignore_active_change;
Glib::RefPtr<Gtk::ListStore> build_midi_port_list (std::vector<std::string> const & ports, bool for_input);
void active_port_changed (Gtk::ComboBox*,bool for_input);
};
using namespace PBD;
using namespace ARDOUR;
using namespace std;
using namespace Gtk;
using namespace Gtkmm2ext;
void*
GenericMidiControlProtocol::get_gui () const
{
if (!gui) {
const_cast<GenericMidiControlProtocol*>(this)->build_gui ();
}
static_cast<Gtk::VBox*>(gui)->show_all();
return gui;
}
void
GenericMidiControlProtocol::tear_down_gui ()
{
if (gui) {
Gtk::Widget *w = static_cast<Gtk::VBox*>(gui)->get_parent();
if (w) {
w->hide();
delete w;
}
}
delete (GMCPGUI*) gui;
gui = 0;
}
void
GenericMidiControlProtocol::build_gui ()
{
gui = (void*) new GMCPGUI (*this);
}
/*--------------------*/
GMCPGUI::GMCPGUI (GenericMidiControlProtocol& p)
: cp (p)
, bank_adjustment (1, 1, 100, 1, 10)
, bank_spinner (bank_adjustment)
, motorised_button ("Motorised")
, threshold_adjustment (p.threshold(), 1, 127, 1, 10)
, threshold_spinner (threshold_adjustment)
, ignore_active_change (false)
{
vector<string> popdowns;
popdowns.push_back (_("Reset All"));
for (list<GenericMidiControlProtocol::MapInfo>::iterator x = cp.map_info.begin(); x != cp.map_info.end(); ++x) {
popdowns.push_back (x->name);
}
set_popdown_strings (map_combo, popdowns);
if (cp.current_binding().empty()) {
map_combo.set_active_text (popdowns[0]);
} else {
map_combo.set_active_text (cp.current_binding());
}
map_combo.signal_changed().connect (sigc::mem_fun (*this, &GMCPGUI::binding_changed));
set_spacing (6);
set_border_width (6);
Table* table = manage (new Table);
table->set_row_spacings (6);
table->set_col_spacings (6);
table->show ();
int n = 0;
// MIDI input and output selectors
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, &GMCPGUI::active_port_changed), &input_combo, true));
output_combo.signal_changed().connect (sigc::bind (sigc::mem_fun (*this, &GMCPGUI::active_port_changed), &output_combo, false));
Label* label = manage (new Gtk::Label);
label->set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Incoming MIDI on:")));
label->set_alignment (1.0, 0.5);
table->attach (*label, 0, 1, n, n+1, AttachOptions(FILL|EXPAND), AttachOptions(0));
table->attach (input_combo, 1, 2, n, n+1, AttachOptions(FILL|EXPAND), AttachOptions(0), 0, 0);
n++;
label = manage (new Gtk::Label);
label->set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Outgoing MIDI on:")));
label->set_alignment (1.0, 0.5);
table->attach (*label, 0, 1, n, n+1, AttachOptions(FILL|EXPAND), AttachOptions(0));
table->attach (output_combo, 1, 2, n, n+1, AttachOptions(FILL|EXPAND), AttachOptions(0), 0, 0);
n++;
//MIDI binding file selector...
label = manage (new Label (_("MIDI Bindings:")));
label->set_alignment (0, 0.5);
table->attach (*label, 0, 1, n, n + 1);
table->attach (map_combo, 1, 2, n, n + 1);
++n;
map_combo.show ();
label->show ();
bank_adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &GMCPGUI::bank_changed));
label = manage (new Label (_("Current Bank:")));
label->set_alignment (0, 0.5);
table->attach (*label, 0, 1, n, n + 1);
table->attach (bank_spinner, 1, 2, n, n + 1);
++n;
bank_spinner.show ();
label->show ();
motorised_button.signal_toggled().connect (sigc::mem_fun (*this, &GMCPGUI::motorised_changed));
table->attach (motorised_button, 0, 2, n, n + 1);
++n;
motorised_button.show ();
motorised_button.set_active (p.motorised ());
threshold_adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &GMCPGUI::threshold_changed));
Gtkmm2ext::UI::instance()->set_tip (threshold_spinner,
string_compose (_("Controls how %1 behaves if the MIDI controller sends discontinuous values"), PROGRAM_NAME));
label = manage (new Label (_("Smoothing:")));
label->set_alignment (0, 0.5);
table->attach (*label, 0, 1, n, n + 1);
table->attach (threshold_spinner, 1, 2, n, n + 1);
++n;
threshold_spinner.show ();
label->show ();
pack_start (*table, false, false);
binding_changed ();
/* update the port connection combos */
update_port_combos ();
/* catch future changes to connection state */
cp.ConnectionChange.connect (connection_change_connection, invalidator (*this), boost::bind (&GMCPGUI::connection_handler, this), gui_context());
}
GMCPGUI::~GMCPGUI ()
{
}
void
GMCPGUI::bank_changed ()
{
int new_bank = bank_adjustment.get_value() - 1;
cp.set_current_bank (new_bank);
}
void
GMCPGUI::binding_changed ()
{
string str = map_combo.get_active_text ();
if (str == _("Reset All")) {
cp.drop_bindings ();
} else {
for (list<GenericMidiControlProtocol::MapInfo>::iterator x = cp.map_info.begin(); x != cp.map_info.end(); ++x) {
if (str == x->name) {
cp.load_bindings (x->path);
motorised_button.set_active (cp.motorised ());
threshold_adjustment.set_value (cp.threshold ());
break;
}
}
}
}
void
GMCPGUI::motorised_changed ()
{
cp.set_motorised (motorised_button.get_active ());
}
void
GMCPGUI::threshold_changed ()
{
cp.set_threshold (threshold_adjustment.get_value());
}
void
GMCPGUI::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
GMCPGUI::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 (cp.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 (cp.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>
GMCPGUI::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
GMCPGUI::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) {
cp.input_port()->disconnect_all ();
} else {
cp.output_port()->disconnect_all ();
}
return;
}
if (for_input) {
if (!cp.input_port()->connected_to (new_port)) {
cp.input_port()->disconnect_all ();
cp.input_port()->connect (new_port);
}
} else {
if (!cp.output_port()->connected_to (new_port)) {
cp.output_port()->disconnect_all ();
cp.output_port()->connect (new_port);
}
}
}