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livetrax/libs/surfaces/faderport8/gui.cc

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/*
* Copyright (C) 2017 Robin Gareus <robin@gareus.org>
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <gtkmm/alignment.h>
#include <gtkmm/label.h>
#include <gtkmm/liststore.h>
#include <gtkmm/separator.h>
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#include "pbd/unwind.h"
#include "pbd/strsplit.h"
#include "pbd/file_utils.h"
#include "gtkmm2ext/bindings.h"
#include "gtkmm2ext/gtk_ui.h"
#include "gtkmm2ext/gui_thread.h"
#include "gtkmm2ext/utils.h"
#include "ardour/audioengine.h"
#include "ardour/filesystem_paths.h"
#include "faderport8.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*
FaderPort8::get_gui () const
{
if (!gui) {
const_cast<FaderPort8*>(this)->build_gui ();
}
static_cast<Gtk::VBox*>(gui)->show_all();
return gui;
}
void
FaderPort8::tear_down_gui ()
{
if (gui) {
Gtk::Widget *w = static_cast<Gtk::VBox*>(gui)->get_parent();
if (w) {
w->hide();
delete w;
}
}
delete static_cast<FP8GUI*> (gui);
gui = 0;
}
void
FaderPort8::build_gui ()
{
gui = (void*) new FP8GUI (*this);
}
/* ****************************************************************************/
FP8GUI::FP8GUI (FaderPort8& p)
: fp (p)
, table (2, 3)
, 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;
string name = "faderport8-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);
}
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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, &FP8GUI::active_port_changed), &input_combo, true));
output_combo.signal_changed().connect (sigc::bind (sigc::mem_fun (*this, &FP8GUI::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, 1, 4, row, row+1, AttachOptions(FILL|EXPAND), AttachOptions(0));
table.attach (input_combo, 4, 8, row, row+1, AttachOptions(FILL|EXPAND), AttachOptions(0), 0, 0);
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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, 1, 4, row, row+1, AttachOptions(FILL|EXPAND), AttachOptions(0));
table.attach (output_combo, 4, 8, row, row+1, AttachOptions(FILL|EXPAND), AttachOptions(0), 0, 0);
row++;
Gtk::HSeparator *hsep = manage(new Gtk::HSeparator);
table.attach (*hsep, 0, 8, row, row+1, AttachOptions(FILL|EXPAND), AttachOptions(0), 0, 6);
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row++;
hpacker.pack_start (table, true, true);
pack_start (hpacker, false, false);
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/* actions */
build_available_action_menu ();
int action_row = 0;
int action_col = 0;
Gtk::Alignment* align;
for (FP8Controls::UserButtonMap::const_iterator i = fp.control().user_buttons ().begin ();
i != fp.control().user_buttons ().end (); ++i) {
Gtk::ComboBox* user_combo = manage (new Gtk::ComboBox);
build_action_combo (*user_combo, i->first);
l = manage (new Gtk::Label);
l->set_markup (string_compose ("<span weight=\"bold\">%1:</span>", i->second));
l->set_alignment (1.0, 0.5);
table.attach (*l, 3 * action_col, 3 * action_col + 1, row + action_row, row + action_row + 1, AttachOptions(FILL|EXPAND), AttachOptions (0));
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align = manage (new Alignment);
align->set (0.0, 0.5);
align->add (*user_combo);
table.attach (*align, 3 * action_col + 1, 3 * action_col + 2, row + action_row, row + action_row + 1, AttachOptions(FILL|EXPAND), AttachOptions (0));
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if (++action_row == 4) {
action_row = 0;
++action_col;
}
}
for (int c = 0; c < 2; ++c) {
Gtk::VSeparator *vsep = manage(new Gtk::VSeparator);
table.attach (*vsep, 3 * c + 2, 3 * c + 3, row, row + 4, AttachOptions(0), AttachOptions(FILL), 6, 0);
}
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/* update the port connection combos */
update_port_combos ();
/* catch future changes to connection state */
fp.ConnectionChange.connect (connection_change_connection, invalidator (*this), boost::bind (&FP8GUI::connection_handler, this), gui_context());
}
FP8GUI::~FP8GUI ()
{
}
void
FP8GUI::connection_handler ()
{
PBD::Unwinder<bool> ici (ignore_active_change, true);
update_port_combos ();
}
void
FP8GUI::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 (fp.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 (fp.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>
FP8GUI::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
FP8GUI::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) {
fp.input_port()->disconnect_all ();
} else {
fp.output_port()->disconnect_all ();
}
return;
}
if (for_input) {
if (!fp.input_port()->connected_to (new_port)) {
fp.input_port()->disconnect_all ();
fp.input_port()->connect (new_port);
}
} else {
if (!fp.output_port()->connected_to (new_port)) {
fp.output_port()->disconnect_all ();
fp.output_port()->connect (new_port);
}
}
}
void
FP8GUI::build_available_action_menu ()
{
/* build a model of all available actions (needs to be tree structured
* more)
*/
available_action_model = TreeStore::create (action_columns);
vector<string> paths;
vector<string> labels;
vector<string> tooltips;
vector<string> keys;
vector<Glib::RefPtr<Gtk::Action> > actions;
Gtkmm2ext::ActionMap::get_all_actions (paths, labels, tooltips, keys, actions);
typedef std::map<string,TreeIter> NodeMap;
NodeMap nodes;
NodeMap::iterator r;
vector<string>::iterator k;
vector<string>::iterator p;
vector<string>::iterator t;
vector<string>::iterator l;
available_action_model->clear ();
TreeIter rowp;
TreeModel::Row parent;
/* Disabled item (row 0) */
rowp = available_action_model->append();
parent = *(rowp);
parent[action_columns.name] = _("Disabled");
for (l = labels.begin(), k = keys.begin(), p = paths.begin(), t = tooltips.begin(); l != labels.end(); ++k, ++p, ++t, ++l) {
TreeModel::Row row;
vector<string> parts;
parts.clear ();
split (*p, parts, '/');
if (parts.empty()) {
continue;
}
//kinda kludgy way to avoid displaying menu items as mappable
if ( parts[1] == _("Main_menu") )
continue;
if ( parts[1] == _("JACK") )
continue;
if ( parts[1] == _("redirectmenu") )
continue;
if ( parts[1] == _("Editor_menus") )
continue;
if ( parts[1] == _("RegionList") )
continue;
if ( parts[1] == _("ProcessorMenu") )
continue;
if ((r = nodes.find (parts[1])) == nodes.end()) {
/* top level is missing */
TreeIter rowp;
TreeModel::Row parent;
rowp = available_action_model->append();
nodes[parts[1]] = rowp;
parent = *(rowp);
parent[action_columns.name] = parts[1];
row = *(available_action_model->append (parent.children()));
} else {
row = *(available_action_model->append ((*r->second)->children()));
}
/* add this action */
if (l->empty ()) {
row[action_columns.name] = *t;
action_map[*t] = *p;
} else {
row[action_columns.name] = *l;
action_map[*l] = *p;
}
string path = (*p);
/* ControlProtocol::access_action() is not interested in the
legacy "<Actions>/" prefix part of a path.
*/
path = path.substr (strlen ("<Actions>/"));
row[action_columns.path] = path;
}
}
bool
FP8GUI::find_action_in_model (const TreeModel::iterator& iter, std::string const& action_path, TreeModel::iterator* found)
{
TreeModel::Row row = *iter;
string path = row[action_columns.path];
if (path == action_path) {
*found = iter;
return true;
}
return false;
}
void
FP8GUI::build_action_combo (Gtk::ComboBox& cb, FP8Controls::ButtonId id)
{
cb.set_model (available_action_model);
cb.pack_start (action_columns.name);
/* set the active "row" to the right value for the current button binding */
string current_action = fp.get_button_action (id, false); /* lookup release action */
if (current_action.empty()) {
cb.set_active (0); /* "disabled" */
} else {
TreeModel::iterator iter = available_action_model->children().end();
available_action_model->foreach_iter (sigc::bind (sigc::mem_fun (*this, &FP8GUI::find_action_in_model), current_action, &iter));
if (iter != available_action_model->children().end()) {
cb.set_active (iter);
} else {
cb.set_active (0);
}
}
/* bind signal _after_ setting the current value */
cb.signal_changed().connect (sigc::bind (sigc::mem_fun (*this, &FP8GUI::action_changed), &cb, id));
}
void
FP8GUI::action_changed (Gtk::ComboBox* cb, FP8Controls::ButtonId id)
{
TreeModel::const_iterator row = cb->get_active ();
string action_path = (*row)[action_columns.path];
fp.set_button_action (id, false, action_path);
}