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/* Xsynth DSSI software synthesizer GUI
*
* Copyright (C) 2004, 2009 Sean Bolton and others.
*
* Portions of this file may have come from Chris Cannam and Steve
* Harris's public domain DSSI example code.
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <gtk/gtk.h>
#include <lo/lo.h>
#include "xsynth_types.h"
#include "xsynth.h"
#include "gui_callbacks.h"
#include "gui_interface.h"
#include "gui_data.h"
/* ==== global variables ==== */
char * osc_host_url;
char * osc_self_url;
lo_address osc_host_address;
char * osc_configure_path;
char * osc_control_path;
char * osc_exiting_path;
char * osc_hide_path;
char * osc_midi_path;
char * osc_program_path;
char * osc_quit_path;
char * osc_rate_path;
char * osc_show_path;
char * osc_update_path;
xsynth_patch_t *patches = NULL;
int patch_section_dirty[4];
char * project_directory = NULL;
int host_requested_quit = 0;
int gui_test_mode = 0;
/* ==== OSC handling ==== */
static char *
osc_build_path(char *base_path, char *method)
{
char buffer[256];
char *full_path;
snprintf(buffer, 256, "%s%s", base_path, method);
if (!(full_path = strdup(buffer))) {
GDB_MESSAGE(GDB_OSC, ": out of memory!\n");
exit(1);
}
return full_path;
}
static void
osc_error(int num, const char *msg, const char *path)
{
GDB_MESSAGE(GDB_OSC, " error: liblo server error %d in path \"%s\": %s\n",
num, (path ? path : "(null)"), msg);
}
int
osc_debug_handler(const char *path, const char *types, lo_arg **argv,
int argc, lo_message msg, void *user_data)
{
int i;
GDB_MESSAGE(GDB_OSC, " warning: unhandled OSC message to <%s>:\n", path);
for (i = 0; i < argc; ++i) {
fprintf(stderr, "arg %d: type '%c': ", i, types[i]);
fflush(stderr);
lo_arg_pp((lo_type)types[i], argv[i]); /* -FIX- Ack, mixing stderr and stdout... */
fprintf(stdout, "\n");
fflush(stdout);
}
return 1; /* try any other handlers */
}
int
osc_action_handler(const char *path, const char *types, lo_arg **argv,
int argc, lo_message msg, void *user_data)
{
if (!strcmp(user_data, "show")) {
/* GDB_MESSAGE(GDB_OSC, " osc_action_handler: received 'show' message\n"); */
if (!GTK_WIDGET_MAPPED(main_window))
gtk_widget_show(main_window);
else
gdk_window_raise(main_window->window);
} else if (!strcmp(user_data, "hide")) {
/* GDB_MESSAGE(GDB_OSC, " osc_action_handler: received 'hide' message\n"); */
gtk_widget_hide(main_window);
} else if (!strcmp(user_data, "quit")) {
/* GDB_MESSAGE(GDB_OSC, " osc_action_handler: received 'quit' message\n"); */
host_requested_quit = 1;
gtk_main_quit();
} else if (!strcmp(user_data, "sample-rate")) {
/* GDB_MESSAGE(GDB_OSC, " osc_action_handler: received 'sample-rate' message, rate = %d\n", argv[0]->i); */
/* ignore it */
} else {
return osc_debug_handler(path, types, argv, argc, msg, user_data);
}
return 0;
}
int
osc_configure_handler(const char *path, const char *types, lo_arg **argv,
int argc, lo_message msg, void *user_data)
{
char *key, *value;
if (argc < 2) {
GDB_MESSAGE(GDB_OSC, " error: too few arguments to osc_configure_handler\n");
return 1;
}
key = &argv[0]->s;
value = &argv[1]->s;
if (strlen(key) == 8 && !strncmp(key, "patches", 7) &&
key[7] >= '0' && key[7] <= '3') {
update_patches(key, value);
} else if (!strcmp(key, "polyphony")) {
update_polyphony(value);
} else if (!strcmp(key, "monophonic")) {
update_monophonic(value);
} else if (!strcmp(key, "glide")) {
update_glide(value);
} else if (!strcmp(key, "bendrange")) {
update_bendrange(value);
} else if (!strcmp(key, DSSI_PROJECT_DIRECTORY_KEY)) {
if (project_directory)
free(project_directory);
project_directory = strdup(value);
} else if (!strcmp(key, "load")) {
display_notice("Warning: your DSSI host sent an obsolete 'load' "
"configure message with the filename shown below. This "
"probably means you are trying to use a session "
"created with Xsynth-DSSI version 0.1.x, which is not "
"compatible with Xsynth-DSSI version 0.9 and later "
"plugins. See the README file for more information.",
value);
} else {
return osc_debug_handler(path, types, argv, argc, msg, user_data);
}
return 0;
}
int
osc_control_handler(const char *path, const char *types, lo_arg **argv,
int argc, lo_message msg, void *user_data)
{
int port;
float value;
if (argc < 2) {
GDB_MESSAGE(GDB_OSC, " error: too few arguments to osc_control_handler\n");
return 1;
}
port = argv[0]->i;
value = argv[1]->f;
GDB_MESSAGE(GDB_OSC, " osc_control_handler: control %d now %f\n", port, value);
update_voice_widget(port, value);
return 0;
}
int
osc_program_handler(const char *path, const char *types, lo_arg **argv,
int argc, lo_message msg, void *user_data)
{
int bank, program;
if (argc < 2) {
GDB_MESSAGE(GDB_OSC, " error: too few arguments to osc_program_handler\n");
return 1;
}
bank = argv[0]->i;
program = argv[1]->i;
if (bank || program < 0 || program >= 128) {
GDB_MESSAGE(GDB_OSC, ": out-of-range program select (bank %d, program %d)\n", bank, program);
return 0;
}
GDB_MESSAGE(GDB_OSC, " osc_program_handler: received program change, bank %d, program %d\n", bank, program);
update_from_program_select(bank, program);
return 0;
}
void
osc_data_on_socket_callback(gpointer data, gint source,
GdkInputCondition condition)
{
lo_server server = (lo_server)data;
lo_server_recv_noblock(server, 0);
}
gint
update_request_timeout_callback(gpointer data)
{
if (!gui_test_mode) {
/* send our update request */
lo_send(osc_host_address, osc_update_path, "s", osc_self_url);
} else {
gtk_widget_show(main_window);
}
return FALSE; /* don't need to do this again */
}
/* ==== main ==== */
int
main(int argc, char *argv[])
{
char *test_argv[5] = { NULL, NULL, "-", "-", "Xsynth-DSSI" };
char *host, *port, *path, *tmp_url;
lo_server osc_server;
gint osc_server_socket_tag;
gint update_request_timeout_tag;
XSYNTH_DEBUG_INIT("Xsynth_gtk");
#ifdef XSYNTH_DEBUG
GDB_MESSAGE(GDB_MAIN, " starting (pid %d)...\n", getpid());
#else
fprintf(stderr, "Xsynth_gtk starting (pid %d)...\n", getpid());
#endif
/* { int i; fprintf(stderr, "args:\n"); for(i=0; i<argc; i++) printf("%d: %s\n", i, argv[i]); } // debug */
gtk_set_locale();
gtk_init(&argc, &argv);
if (!strcmp(argv[1], "-test")) {
gui_test_mode = 1;
test_argv[0] = argv[0];
test_argv[1] = "osc.udp://localhost:9/test/mode";
if (argc >= 5)
test_argv[4] = argv[4];
argc = 5;
argv = test_argv;
} else if (argc != 5) {
fprintf(stderr, "usage: %s <osc url> <plugin dllname> <plugin label> <user-friendly id>\n"
" or: %s -test\n", argv[0], argv[0]);
exit(1);
}
/* set up OSC support */
osc_host_url = argv[1];
host = lo_url_get_hostname(osc_host_url);
port = lo_url_get_port(osc_host_url);
path = lo_url_get_path(osc_host_url);
osc_host_address = lo_address_new(host, port);
osc_configure_path = osc_build_path(path, "/configure");
osc_control_path = osc_build_path(path, "/control");
osc_exiting_path = osc_build_path(path, "/exiting");
osc_hide_path = osc_build_path(path, "/hide");
osc_midi_path = osc_build_path(path, "/midi");
osc_program_path = osc_build_path(path, "/program");
osc_quit_path = osc_build_path(path, "/quit");
osc_rate_path = osc_build_path(path, "/sample-rate");
osc_show_path = osc_build_path(path, "/show");
osc_update_path = osc_build_path(path, "/update");
osc_server = lo_server_new(NULL, osc_error);
lo_server_add_method(osc_server, osc_configure_path, "ss", osc_configure_handler, NULL);
lo_server_add_method(osc_server, osc_control_path, "if", osc_control_handler, NULL);
lo_server_add_method(osc_server, osc_hide_path, "", osc_action_handler, "hide");
lo_server_add_method(osc_server, osc_program_path, "ii", osc_program_handler, NULL);
lo_server_add_method(osc_server, osc_quit_path, "", osc_action_handler, "quit");
lo_server_add_method(osc_server, osc_rate_path, "i", osc_action_handler, "sample-rate");
lo_server_add_method(osc_server, osc_show_path, "", osc_action_handler, "show");
lo_server_add_method(osc_server, NULL, NULL, osc_debug_handler, NULL);
tmp_url = lo_server_get_url(osc_server);
osc_self_url = osc_build_path(tmp_url, (strlen(path) > 1 ? path + 1 : path));
free(tmp_url);
/* set up GTK+ */
create_windows(argv[4]);
/* add OSC server socket to GTK+'s watched I/O */
if (lo_server_get_socket_fd(osc_server) < 0) {
fprintf(stderr, "Xsynth_gtk fatal: OSC transport does not support exposing socket fd\n");
exit(1);
}
osc_server_socket_tag = gdk_input_add(lo_server_get_socket_fd(osc_server),
GDK_INPUT_READ,
osc_data_on_socket_callback,
osc_server);
/* default patches, temporary patchfile support */
gui_data_friendly_patches();
rebuild_patches_clist();
/* schedule our update request */
update_request_timeout_tag = gtk_timeout_add(50,
update_request_timeout_callback,
NULL);
/* let GTK+ take it from here */
gtk_main();
/* clean up and exit */
GDB_MESSAGE(GDB_MAIN, ": yep, we got to the cleanup!\n");
/* GTK+ cleanup */
gtk_timeout_remove(update_request_timeout_tag);
gdk_input_remove(osc_server_socket_tag);
/* say bye-bye */
if (!host_requested_quit) {
lo_send(osc_host_address, osc_exiting_path, "");
}
/* clean up patches */
if (patches) free(patches);
if (project_directory) free(project_directory);
/* clean up OSC support */
lo_server_free(osc_server);
free(host);
free(port);
free(path);
free(osc_configure_path);
free(osc_control_path);
free(osc_exiting_path);
free(osc_hide_path);
free(osc_midi_path);
free(osc_program_path);
free(osc_quit_path);
free(osc_rate_path);
free(osc_show_path);
free(osc_update_path);
free(osc_self_url);
return 0;
}