ladish/ingen/src/progs/ingenuity/DSSIController.cpp

281 lines
7.2 KiB
C++

/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
*
* Om 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.
*
* Om 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "DSSIController.h"
#include <iomanip>
#include <sstream>
#include <dirent.h>
#include <unistd.h>
#include <sys/stat.h>
#include "NodeModel.h"
#include "DSSIModule.h"
#include "Controller.h"
namespace OmGtk {
DSSIController::DSSIController(CountedPtr<NodeModel> model)
: NodeController(model),
m_banks_dirty(true)
{
assert(model->plugin()->type() == PluginModel::DSSI);
Gtk::Menu::MenuList& items = m_menu.items();
items[0].property_sensitive() = true; // "Show Control Window" item
Gtk::Menu_Helpers::MenuElem program_elem("Select Program", m_program_menu);
items.push_front(program_elem);
m_program_menu_item = program_elem.get_child();
m_program_menu_item->set_sensitive(false);
items.push_front(Gtk::Menu_Helpers::MenuElem("Show Plugin GUI",
sigc::mem_fun(this, &DSSIController::show_gui)));
}
void
DSSIController::program_add(int bank, int program, const string& name)
{
node_model()->add_program(bank, program, name);
m_banks_dirty = true;
}
void
DSSIController::program_remove(int bank, int program)
{
node_model()->remove_program(bank, program);
m_banks_dirty = true;
}
/** Trivial wrapper of attempt_to_show_gui for libsigc
*/
void
DSSIController::show_gui()
{
attempt_to_show_gui();
}
void
DSSIController::update_program_menu()
{
m_program_menu.items().clear();
const map<int, map<int, string> >& banks = node_model()->get_programs();
std::ostringstream oss;
map<int, map<int, string> >::const_iterator i;
for (i = banks.begin(); i != banks.end(); ++i) {
Gtk::Menu* bank_menu;
if (banks.size() > 1)
bank_menu = manage(new Gtk::Menu());
else
bank_menu = &m_program_menu;
map<int, string>::const_iterator j;
for (j = i->second.begin(); j != i->second.end(); ++j) {
oss.str("");
oss << std::setw(3) << std::setfill('0')
<< j->first << ' ' << j->second;
sigc::slot<void> slt = bind(
bind(sigc::mem_fun(*this, &DSSIController::send_program_change),
j->first), i->first);
bank_menu->items().push_back(
Gtk::Menu_Helpers::MenuElem(oss.str(), slt));
}
if (banks.size() > 1) {
oss.str("");
oss << "Bank " << i->first;
m_program_menu.items().push_back(
Gtk::Menu_Helpers::MenuElem(oss.str(), *bank_menu));
}
}
// Disable the program menu if there are no programs
if (banks.size() == 0)
m_program_menu_item->set_sensitive(false);
else
m_program_menu_item->set_sensitive(true);
m_banks_dirty = false;
}
void
DSSIController::send_program_change(int bank, int program)
{
Controller::instance().set_program(node_model()->path(), bank, program);
}
void
DSSIController::create_module(OmFlowCanvas* canvas)
{
//cerr << "Creating DSSI module " << m_model->path() << endl;
assert(canvas != NULL);
assert(m_module == NULL);
m_module = new DSSIModule(canvas, this);
create_all_ports();
m_module->move_to(node_model()->x(), node_model()->y());
}
/** Attempt to show the DSSI GUI for this plugin.
*
* Returns whether or not GUI was successfully loaded/shown.
*/
bool
DSSIController::attempt_to_show_gui()
{
// Shamelessley "inspired by" jack-dssi-host
// Copyright 2004 Chris Cannam, Steve Harris and Sean Bolton.
const bool verbose = false;
string engine_url = Controller::instance().engine_url();
// Hack off last character if it's a /
if (engine_url[engine_url.length()-1] == '/')
engine_url = engine_url.substr(0, engine_url.length()-1);
const char* dllName = node_model()->plugin()->lib_name().c_str();
const char* label = node_model()->plugin()->plug_label().c_str();
const char* myName = "ingenuity";
const string& oscUrl = engine_url + "/dssi" + node_model()->path();
struct dirent* entry = NULL;
char* dllBase = strdup(dllName);
char* subpath = NULL;
DIR* subdir = NULL;
char* filename = NULL;
struct stat buf;
int fuzzy = 0;
char* env_dssi_path = getenv("DSSI_PATH");
string dssi_path;
if (!env_dssi_path) {
cerr << "DSSI_PATH is empty. Assuming /usr/lib/dssi:/usr/local/lib/dssi." << endl;
dssi_path = "/usr/lib/dssi:/usr/local/lib/dssi";
} else {
dssi_path = env_dssi_path;
}
if (strlen(dllBase) > 3 && !strcasecmp(dllBase + strlen(dllBase) - 3, ".so")) {
dllBase[strlen(dllBase) - 3] = '\0';
}
// This is pretty nasty, it loops through the path, even if the dllBase is absolute
while (dssi_path != "") {
string directory = dssi_path.substr(0, dssi_path.find(':'));
if (dssi_path.find(':') != string::npos)
dssi_path = dssi_path.substr(dssi_path.find(':')+1);
else
dssi_path = "";
if (*dllBase == '/') {
subpath = strdup(dllBase);
} else {
subpath = (char*)malloc(strlen(directory.c_str()) + strlen(dllBase) + 2);
sprintf(subpath, "%s/%s", directory.c_str(), dllBase);
}
for (fuzzy = 0; fuzzy <= 1; ++fuzzy) {
if (!(subdir = opendir(subpath))) {
if (verbose) {
fprintf(stderr, "%s: can't open plugin GUI directory \"%s\"\n", myName, subpath);
}
break;
}
while ((entry = readdir(subdir))) {
if (entry->d_name[0] == '.')
continue;
if (!strchr(entry->d_name, '_'))
continue;
if (fuzzy) {
if (verbose) {
fprintf(stderr, "checking %s against %s\n", entry->d_name, dllBase);
}
if (strncmp(entry->d_name, dllBase, strlen(dllBase)))
continue;
} else {
if (verbose) {
fprintf(stderr, "checking %s against %s\n", entry->d_name, label);
}
if (strncmp(entry->d_name, label, strlen(label)))
continue;
}
filename = (char*)malloc(strlen(subpath) + strlen(entry->d_name) + 2);
sprintf(filename, "%s/%s", subpath, entry->d_name);
if (stat(filename, &buf)) {
perror("stat failed");
free(filename);
continue;
}
if ((S_ISREG(buf.st_mode) || S_ISLNK(buf.st_mode)) &&
(buf.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) {
if (verbose) {
fprintf(stderr, "%s: trying to execute GUI at \"%s\"\n",
myName, filename);
}
if (fork() == 0) {
execlp(filename, filename, oscUrl.c_str(), dllName, label,
node_model()->name().c_str(), 0);
perror("exec failed");
exit(1);
}
free(filename);
free(subpath);
free(dllBase);
return true;
}
free(filename);
}
}
}
cerr << "Unable to launch DSSI GUI for " << node_model()->path() << endl;
free(subpath);
free(dllBase);
return false;
}
void
DSSIController::show_menu(GdkEventButton* event)
{
if (m_banks_dirty)
update_program_menu();
NodeController::show_menu(event);
}
} // namespace OmGtk