/*                                                     -*- linux-c -*-    Copyright (C) 2004 Tom Szilagyi    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.    $Id: ports.c,v 1.5 2006/08/11 08:04:08 tszilagyi Exp $*/#include <config.h>#ifdef HAVE_JACK#include <errno.h>#include <math.h>#include <stdio.h>#include <stdlib.h>#include <string.h>#include <unistd.h>#include <gtk/gtk.h>#include <jack/jack.h>#include "common.h"#include "i18n.h"#include "ports.h"#define LIST_WIDTH 200#define LIST_HEIGHT 100extern GtkWidget* gui_stock_label_button(gchar *blabel, const gchar *bstock);extern GtkWidget * main_window;/* JACK data */extern jack_port_t * out_L_port;extern jack_port_t * out_R_port;extern jack_client_t * jack_client;GtkWidget * ports_window = NULL;GtkWidget * nb_outs;GtkWidget * nb_out_labels[MAX_JACK_CLIENTS];GtkWidget * vbox_dl; /* down-left */GtkWidget * vbox_dr; /* down-right */GtkWidget * tree_out_L;GtkWidget * tree_out_R;GtkListStore * store_out_L;GtkListStore * store_out_R;GtkTreeViewColumn * column_out_L;GtkTreeViewColumn * column_out_R;int n_clients;GtkListStore * store_out_nb[MAX_JACK_CLIENTS];gint timeout_tag;int out_selector = 0;void scan_connections(jack_port_t * port, GtkListStore * store);void setup_notebook_out(void);gintports_timeout_callback(gpointer data) {	switch((int)data) {	case 1:		gtk_list_store_clear(store_out_L);		scan_connections(out_L_port, store_out_L);		break;	case 2:		gtk_list_store_clear(store_out_R);		scan_connections(out_R_port, store_out_R);		break;	}	return 0;}intport_window_close(GtkWidget *widget, gpointer * data) {	ports_window = NULL;	return 0;}voidclicked_rescan(GtkWidget * widget, gpointer * data) {	gtk_list_store_clear(store_out_L);	scan_connections(out_L_port, store_out_L);	gtk_list_store_clear(store_out_R);	scan_connections(out_R_port, store_out_R);	/* re-build notebook */	gtk_widget_destroy(nb_outs);	n_clients = 0;	nb_outs = gtk_notebook_new();        gtk_box_pack_start(GTK_BOX(vbox_dr), nb_outs, TRUE, TRUE, 2);	setup_notebook_out();        gtk_widget_show(nb_outs);}voidports_clicked_close(GtkWidget * widget, gpointer * data) {	gtk_widget_destroy(ports_window);	ports_window = NULL;}voidset_active(GtkWidget * widget, int sel) {	GdkColor color_normal;	GdkColor color_active;	GdkColor color_prelight;	if (sel == 0) {		color_normal.red = 40000;		color_normal.green = 40000;		color_normal.blue = 40000;		color_active.red = 30000;		color_active.green = 30000;		color_active.blue = 30000;		color_prelight.red = 50000;		color_prelight.green = 50000;		color_prelight.blue = 50000;	} else {		color_normal.red = 40000;		color_normal.green = 40000;		color_normal.blue = 65535;		color_active.red = 30000;		color_active.green = 30000;		color_active.blue = 45000;		color_prelight.red = 50000;		color_prelight.green = 50000;		color_prelight.blue = 65535;	}	gtk_widget_modify_bg(widget, GTK_STATE_NORMAL, &color_normal);	gtk_widget_modify_bg(widget, GTK_STATE_ACTIVE, &color_active);	gtk_widget_modify_bg(widget, GTK_STATE_PRELIGHT, &color_prelight);}voidclicked_out_L_header(GtkWidget * widget, gpointer * data) {	out_selector = 0;	set_active(GTK_WIDGET(column_out_L->button), 1);	set_active(GTK_WIDGET(column_out_R->button), 0);}voidclicked_out_R_header(GtkWidget * widget, gpointer * data) {	out_selector = 1;	set_active(GTK_WIDGET(column_out_L->button), 0);	set_active(GTK_WIDGET(column_out_R->button), 1);}voidtree_out_nb_selection_changed(GtkObject * tree, gpointer * data) {	GtkTreeIter iter;        GtkTreeModel * model;	GtkTreeSelection * selection;        gchar * str;	const gchar * label;	char fullname[MAXLEN];	selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree));        if (gtk_tree_selection_get_selected(selection, &model, &iter)) {                gtk_tree_model_get(model, &iter, 0, &str, -1);		label = gtk_label_get_text(GTK_LABEL(nb_out_labels[(int)data]));		sprintf(fullname, "%s:%s", label, str);		g_free(str);		if (out_selector == 0) {			if (jack_connect(jack_client, jack_port_name(out_L_port), fullname)) {				fprintf(stderr, "Cannot connect %s to out_L. "					"These ports are probably already connected.\n", fullname);			} else {				gtk_list_store_clear(store_out_L);				scan_connections(out_L_port, store_out_L);				out_selector = 1;				set_active(GTK_WIDGET(column_out_L->button), 0);				set_active(GTK_WIDGET(column_out_R->button), 1);			}		} else {			if (jack_connect(jack_client, jack_port_name(out_R_port), fullname)) {				fprintf(stderr, "Cannot connect %s to out_R. "					"These ports are probably already connected.\n", fullname);			} else {				gtk_list_store_clear(store_out_R);				scan_connections(out_R_port, store_out_R);				out_selector = 0;				set_active(GTK_WIDGET(column_out_L->button), 1);				set_active(GTK_WIDGET(column_out_R->button), 0);			}		}        }}voidtree_out_L_selection_changed(GtkTreeSelection * selection, gpointer * data) {	GtkTreeIter iter;        GtkTreeModel * model;        gchar * str;	int res;        if (gtk_tree_selection_get_selected(selection, &model, &iter)) {                gtk_tree_model_get(model, &iter, 0, &str, -1);		if ((res = jack_disconnect(jack_client, jack_port_name(out_L_port), str)) != 0) {			fprintf(stderr, "ERROR: jack_disconnect() returned %d\n", res);		}		g_free(str);		timeout_tag = g_timeout_add(100, ports_timeout_callback, (gpointer)1);        }}voidtree_out_R_selection_changed(GtkTreeSelection *selection, gpointer * data) {	GtkTreeIter iter;        GtkTreeModel * model;        gchar * str;	int res;        if (gtk_tree_selection_get_selected(selection, &model, &iter)) {                gtk_tree_model_get(model, &iter, 0, &str, -1);		if ((res = jack_disconnect(jack_client, jack_port_name(out_R_port), str)) != 0) {			fprintf(stderr, "ERROR: jack_disconnect() returned %d\n", res);		}		g_free(str);		timeout_tag = g_timeout_add(100, ports_timeout_callback, (gpointer)2);        }}voidclear_outs(GtkWidget * widget, gpointer * data) {	const char ** ports;	int i = 0;	int res;	ports = jack_port_get_connections(out_L_port);	if (ports) {		while (ports[i] != NULL) {			if ((res = jack_disconnect(jack_client, jack_port_name(out_L_port), ports[i])) != 0) {				fprintf(stderr, "ERROR: jack_disconnect() returned %d\n", res);			}			i++;		}		free(ports);	}	i = 0;	ports = jack_port_get_connections(out_R_port);