gputty
/* gputty.c */
							/* Copyright (c) 2004 Pierre Pronchery */
							/* This file is part of GPuTTY. */
							/* GPuTTY 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.
							 *
							 * GPuTTY 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 GPuTTY; if not, write to the Free Software
							 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
							#include <sys/types.h>
							#include <unistd.h>
							#include <stdlib.h>
							#include <stdio.h>
							#include <string.h>
							#include <gtk/gtk.h>
							#include "gputty.h"
							/* GPuTTY */
							static int _gputty_error(char const * message, int ret);
							static char * _gputty_config_file(void);
							/* callbacks */
							static void gputty_on_about(GtkWidget * widget, gpointer data);
							static void gputty_on_connect(GtkWidget * widget, gpointer data);
							static void gputty_on_delete(GtkWidget * widget, gpointer data);
							static void gputty_on_load(GtkWidget * widget, gpointer data);
							static void gputty_on_options(GtkWidget * widget, gpointer data);
							static void gputty_on_exit(GtkWidget * widget, gpointer data);
							static void gputty_on_exitx(GtkWidget * widget, GdkEvent * event,
									gpointer data);
							static void gputty_on_save(GtkWidget * widget, gpointer data);
							static void gputty_on_session_activate(GtkTreeView * view, GtkTreePath * path,
									GtkTreeViewColumn * column, gpointer data);
							static void gputty_on_session_select(GtkTreeView * view, gpointer data);
							GPuTTY * gputty_new(void)
							{
								GPuTTY * g;
								char * p;
								char * q;
								int i;
								GtkCellRenderer * cell;
								GtkTreeViewColumn * column;
								if((g = malloc(sizeof(GPuTTY))) == NULL)
								{
									_gputty_error("malloc", 0);
									return NULL;
								}
								/* Config */
								if((g->config = config_new()) == NULL)
								{
									free(g);
									return NULL;
								}
								config_set(g->config, "", "ssh", SSH);
								config_set(g->config, "", "xterm", XTERM);
								p = malloc(sizeof(char) * 6);
								sprintf(p, "%hu", SSH_PORT);
								config_set(g->config, "", "port", p);
								free(p);
								config_load(g->config, "/etc/gputty");
								if((p = _gputty_config_file()) != NULL)
								{
									config_load(g->config, p);
									free(p);
								}
								g->selection = -1;
								/* widgets */
								g->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
								gtk_window_set_title(GTK_WINDOW(g->window), "GPuTTY");
								gtk_container_set_border_width(GTK_CONTAINER(g->window), 4);
								g_signal_connect(G_OBJECT(g->window), "delete_event",
										G_CALLBACK(gputty_on_exitx), g);
								g->vbox = gtk_vbox_new(FALSE, 0);
								gtk_container_add(GTK_CONTAINER(g->window), g->vbox);
								/* hostname */
								g->hn_frame = gtk_frame_new("Specify your connection");
								gtk_box_pack_start(GTK_BOX(g->vbox), g->hn_frame, FALSE, FALSE, 0);
								g->hn_vbox = gtk_vbox_new(FALSE, 0);
								gtk_container_set_border_width(GTK_CONTAINER(g->hn_vbox), 4);
								gtk_container_add(GTK_CONTAINER(g->hn_frame), g->hn_vbox);
								g->hn_hbox = gtk_hbox_new(FALSE, 0);
								gtk_box_pack_start(GTK_BOX(g->hn_vbox), g->hn_hbox, TRUE, TRUE, 0);
								/* hostname: hostname */
								g->hn_vbox1 = gtk_vbox_new(FALSE, 0);
								gtk_box_pack_start(GTK_BOX(g->hn_hbox), g->hn_vbox1, TRUE, TRUE, 0);
								g->hn_lhostname = gtk_label_new("Host name");
								gtk_box_pack_start(GTK_BOX(g->hn_vbox1), g->hn_lhostname, TRUE, TRUE, 0);
								g->hn_ehostname = gtk_entry_new();
								if((p = config_get(g->config, "", "hostname")) != NULL)
									gtk_entry_set_text(GTK_ENTRY(g->hn_ehostname), p);
								gtk_box_pack_start(GTK_BOX(g->hn_vbox1), g->hn_ehostname, TRUE, TRUE, 0);
								/* hostname: port */
								g->hn_vbox2 = gtk_vbox_new(FALSE, 0);
								gtk_box_pack_start(GTK_BOX(g->hn_hbox), g->hn_vbox2, TRUE, TRUE, 4);
								g->hn_lport = gtk_label_new("Port");
								gtk_box_pack_start(GTK_BOX(g->hn_vbox2), g->hn_lport, TRUE, TRUE, 0);
								g->hn_sport_adj = (GtkAdjustment *)gtk_adjustment_new(22, 0, 65535, 1, 4, 4);
								g->hn_sport = gtk_spin_button_new(g->hn_sport_adj, 1, 0);
								if((p = config_get(g->config, "", "port")) != NULL)
								{
									i = strtol(p, &q, 10);
									if(*q == '\0' && i >= 0 && i <= 65535)
										gtk_spin_button_set_value(GTK_SPIN_BUTTON(g->hn_sport),
												i);
								}
								gtk_box_pack_start(GTK_BOX(g->hn_vbox2), g->hn_sport, TRUE, TRUE, 0);
								/* hostname: username */
								g->hn_vbox3 = gtk_vbox_new(FALSE, 0);
								gtk_box_pack_start(GTK_BOX(g->hn_hbox), g->hn_vbox3, TRUE, TRUE, 0);
								g->hn_lusername = gtk_label_new("User name");
								gtk_box_pack_start(GTK_BOX(g->hn_vbox3), g->hn_lusername, TRUE, TRUE,
										0);
								g->hn_eusername = gtk_entry_new();
								if((p = config_get(g->config, "", "username")) != NULL)
									gtk_entry_set_text(GTK_ENTRY(g->hn_eusername), p);
								gtk_box_pack_start(GTK_BOX(g->hn_vbox3), g->hn_eusername, TRUE, TRUE,
										0);
								/* sessions */
								g->sn_frame = gtk_frame_new("Manage sessions");
								g->sn_vbox1 = gtk_vbox_new(FALSE, 0);
								g->sn_hbox = gtk_hbox_new(FALSE, 0);
								/* sessions: list */
								g->sn_vbox2 = gtk_vbox_new(FALSE, 0);
								gtk_container_set_border_width(GTK_CONTAINER(g->sn_vbox2), 4);
								g->sn_esessions = gtk_entry_new();
								gtk_box_pack_start(GTK_BOX(g->sn_vbox2), g->sn_esessions, FALSE, FALSE,
										0);
								g->sn_swsessions = gtk_scrolled_window_new(NULL, NULL);
								gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(g->sn_swsessions),
										GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
								g->sn_lsessions = gtk_list_store_new(1, G_TYPE_STRING);
								g->sn_tlsessions = gtk_tree_view_new();
								gtk_tree_view_set_model(GTK_TREE_VIEW(g->sn_tlsessions),
										GTK_TREE_MODEL(g->sn_lsessions));
								gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(g->sn_tlsessions),
										FALSE);
								g_signal_connect(G_OBJECT(g->sn_tlsessions), "cursor-changed",
										G_CALLBACK(gputty_on_session_select), g);
								g_signal_connect(G_OBJECT(g->sn_tlsessions), "row-activated",
										G_CALLBACK(gputty_on_session_activate), g);
								gtk_scrolled_window_add_with_viewport(
										GTK_SCROLLED_WINDOW(g->sn_swsessions),
										g->sn_tlsessions);
								gtk_box_pack_start(GTK_BOX(g->sn_vbox2), g->sn_swsessions, TRUE, TRUE,
										0);
								gtk_box_pack_start(GTK_BOX(g->sn_hbox), g->sn_vbox2, TRUE, TRUE, 0);
								/* sessions: buttons */
								g->sn_vbox3 = gtk_vbox_new(FALSE, 0);
								g->sn_load = gtk_button_new_from_stock(GTK_STOCK_OPEN);
								g_signal_connect(G_OBJECT(g->sn_load), "clicked",
										G_CALLBACK(gputty_on_load), g);
								gtk_box_pack_start(GTK_BOX(g->sn_vbox3), g->sn_load, FALSE, FALSE, 4);
								g->sn_save = gtk_button_new_from_stock(GTK_STOCK_SAVE);
								g_signal_connect(G_OBJECT(g->sn_save), "clicked",
										G_CALLBACK(gputty_on_save), g);
								gtk_box_pack_start(GTK_BOX(g->sn_vbox3), g->sn_save, FALSE, FALSE, 0);
								g->sn_delete = gtk_button_new_from_stock(GTK_STOCK_DELETE);
								g_signal_connect(G_OBJECT(g->sn_delete), "clicked",
										G_CALLBACK(gputty_on_delete), g);
								gtk_box_pack_start(GTK_BOX(g->sn_vbox3), g->sn_delete, FALSE, FALSE, 4);
								gtk_box_pack_start(GTK_BOX(g->sn_hbox), g->sn_vbox3, FALSE, FALSE, 0);
								gtk_box_pack_start(GTK_BOX(g->sn_vbox1), g->sn_hbox, TRUE, TRUE, 0);
								gtk_container_add(GTK_CONTAINER(g->sn_frame), g->sn_vbox1);
								gtk_box_pack_start(GTK_BOX(g->vbox), g->sn_frame, TRUE, TRUE, 4);
								/* actions */
								g->ac_hbox = gtk_hbox_new(FALSE, 0);
							#if GTK_CHECK_VERSION(2, 6, 0)
								g->ac_about = gtk_button_new_from_stock(GTK_STOCK_ABOUT);
							#else
								g->ac_about = gtk_button_new_with_mnemonic("_About");
							#endif
								gtk_box_pack_start(GTK_BOX(g->ac_hbox), g->ac_about, FALSE, FALSE, 0);
								g_signal_connect(G_OBJECT(g->ac_about), "clicked",
										G_CALLBACK(gputty_on_about), g);
								g->ac_options = gtk_button_new_from_stock(GTK_STOCK_PREFERENCES);
								gtk_box_pack_start(GTK_BOX(g->ac_hbox), g->ac_options, FALSE, FALSE, 4);
								g_signal_connect(G_OBJECT(g->ac_options), "clicked",
										G_CALLBACK(gputty_on_options), g);
								g->ac_connect = gtk_button_new_with_mnemonic("_Connect");
								g_signal_connect(G_OBJECT(g->ac_connect), "clicked",
										G_CALLBACK(gputty_on_connect), g);
								gtk_box_pack_end(GTK_BOX(g->ac_hbox), g->ac_connect, FALSE, FALSE, 0);
								g->ac_exit = gtk_button_new_from_stock(GTK_STOCK_QUIT);
								gtk_box_pack_end(GTK_BOX(g->ac_hbox), g->ac_exit, FALSE, FALSE, 4);
								g_signal_connect(G_OBJECT(g->ac_exit), "clicked",
										G_CALLBACK(gputty_on_exit), g);
								gtk_box_pack_start(GTK_BOX(g->vbox), g->ac_hbox, FALSE, FALSE, 0);
								/* options */
								g->op_window = NULL;
								/* load sessions */
								for(i = 0; i <= 99; i++)
								{
									char buf[11];
									sprintf(buf, "session %d", i);
									if((p = config_get(g->config, buf, "name")) == NULL)
										break;
									gtk_list_store_append(g->sn_lsessions, &g->sn_ilsessions);
									gtk_list_store_set(g->sn_lsessions, &g->sn_ilsessions, 0, p,
											-1);
								}
								cell = gtk_cell_renderer_text_new();
								column = gtk_tree_view_column_new_with_attributes("Sessions", cell,
										"text", NULL, NULL);
								gtk_tree_view_append_column(GTK_TREE_VIEW(g->sn_tlsessions),
										GTK_TREE_VIEW_COLUMN(column));
								/* show window */
								gtk_widget_show_all(g->window);
								return g;
							}
							static int _gputty_error(char const * message, int ret)
							{
								fprintf(stderr, "%s", "GPuTTY: ");
								perror(message);
								return ret;
							}
							static char * _gputty_config_file(void)
							{
								char * homedir;
								char * filename;
								if((homedir = getenv("HOME")) == NULL)
									return NULL;
								if((filename = malloc(strlen(homedir) + 1 + strlen(GPUTTY_CONFIG_FILE)
												+ 1)) == NULL)
									return NULL;
								sprintf(filename, "%s/%s", homedir, GPUTTY_CONFIG_FILE);
								return filename;
							}
							void gputty_delete(GPuTTY * gputty)
							{
								config_delete(gputty->config);
								free(gputty);
							}
							/* callbacks */
							#if !GTK_CHECK_VERSION(2, 6, 0)
							static void _about_close(GtkWidget * widget, gpointer data);
							static void _about_credits(GtkWidget * widget, gpointer data);
							static void _about_license(GtkWidget * widget, gpointer data);
							#endif
							static void gputty_on_about(GtkWidget * widget, gpointer data)
							{
								static GtkWidget * window = NULL;
								static char const * authors[] = { "Pierre 'khorben' Pronchery", NULL };
								char const comment[] =
							"GPuTTY is a clone of PuTTY for Open Source desktops.\n"
							"This software mainly relies on:\n"
							"- Glib\n"
							"- Gtk+\n"
							"Credits go to all Free Software contributors.";
								char const copyright[] = "Copyright (c) 2004-2006 Pierre Pronchery";
								char const website[] = "http://people.defora.org/~khorben/projects/gputty/";
								if(window != NULL)
								{
									gtk_widget_show(window);
									return;
								}
							#if GTK_CHECK_VERSION(2, 6, 0)
								window = gtk_about_dialog_new();
								gtk_about_dialog_set_name(GTK_ABOUT_DIALOG(window), "GPuTTY");
								/* FIXME automatic version */
								gtk_about_dialog_set_version(GTK_ABOUT_DIALOG(window), "0.9.8");
								gtk_about_dialog_set_copyright(GTK_ABOUT_DIALOG(window), copyright);
								gtk_about_dialog_set_comments(GTK_ABOUT_DIALOG(window), comment);
								gtk_about_dialog_set_license(GTK_ABOUT_DIALOG(window), "GPLv2");
								gtk_about_dialog_set_website(GTK_ABOUT_DIALOG(window), website);
								gtk_about_dialog_set_authors(GTK_ABOUT_DIALOG(window), authors);
							#else
								window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
								gtk_container_set_border_width(GTK_CONTAINER(window), 4);
								gtk_window_set_title(GTK_WINDOW(window), "About GPuTTY");
								{
									GtkWidget * vbox;
									GtkWidget * hbox;
									GtkWidget * button;
									vbox = gtk_vbox_new(FALSE, 2);
									gtk_box_pack_start(GTK_BOX(vbox), gtk_label_new("GPuTTY 0.9.8"),
											FALSE, FALSE, 2);
									gtk_box_pack_start(GTK_BOX(vbox), gtk_label_new(comment),
											FALSE, FALSE, 2);
									gtk_box_pack_start(GTK_BOX(vbox), gtk_label_new(copyright),
											FALSE, FALSE, 2);
									gtk_box_pack_start(GTK_BOX(vbox), gtk_label_new(website),
											FALSE, FALSE, 2);
									hbox = gtk_hbox_new(TRUE, 0);
									button = gtk_button_new_with_mnemonic("C_redits");
									g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(
												_about_credits), NULL);
									gtk_box_pack_start(GTK_BOX(hbox), button, TRUE, FALSE, 4);
									button = gtk_button_new_with_mnemonic("_License");
									g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(
												_about_license), NULL);
									gtk_box_pack_start(GTK_BOX(hbox), button, TRUE, FALSE, 4);
									button = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
									g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(
												_about_close), window);
									gtk_box_pack_end(GTK_BOX(hbox), button, TRUE, FALSE, 4);
									gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 4);
									gtk_container_add(GTK_CONTAINER(window), vbox);
								}
							#endif
								gtk_widget_show_all(window);
							}
							#if !GTK_CHECK_VERSION(2, 6, 0)
							static void _about_close(GtkWidget * widget, gpointer data)
							{
								GtkWidget * window = data;
								gtk_widget_hide(window);
							}
							static void _about_credits(GtkWidget * widget, gpointer data)
							{
							}
							static void _about_license(GtkWidget * widget, gpointer data)
							{
							}
							#endif
							static void gputty_on_connect(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								pid_t pid;
								char * xterm = NULL;
								char * ssh = NULL;
								char const * hostname;
								char port[6];
								char * useropt = NULL;
								char const * username = NULL;
								xterm = config_get(g->config, "", "xterm");
								ssh = config_get(g->config, "", "ssh");
								hostname = gtk_entry_get_text(GTK_ENTRY(g->hn_ehostname));
								if(snprintf(port, 6, "%d", gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(g->hn_sport))) >= 6)
									port[5] = '\0';
								if(hostname[0] == '\0')
									return;
								if((pid = fork()) == -1)
								{
									_gputty_error("fork", 0);
									return;
								}
								else if(pid == 0)
								{
									username = gtk_entry_get_text(GTK_ENTRY(g->hn_eusername));
									if(username[0] != '\0')
										useropt = "-l";
									execlp(xterm, xterm, "-e",
											ssh, hostname,
											"-p", port,
											useropt, username,
											NULL);
									fprintf(stderr, "%s", "GPuTTY: ");
									exit(_gputty_error(xterm, 2));
								}
							}
							static void gputty_on_delete(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								int i;
								char buf1[11];
								char buf2[11];
								char * p;
								if(g->selection == -1)
									return;
								i = g->selection;
								gtk_list_store_remove(g->sn_lsessions, &g->sn_ilsessions);
								for(; i < 100; i++)
								{
									sprintf(buf1, "session %d", i);
									sprintf(buf2, "session %d", i+1);
									if((p = config_get(g->config, buf2, "name")) == NULL)
									{
										config_set(g->config, buf1, "name", NULL);
										break;
									}
									config_set(g->config, buf1, "name", p);
									config_set(g->config, buf1, "hostname",
											config_get(g->config, buf2, "hostname"));
									config_set(g->config, buf1, "username",
											config_get(g->config, buf2, "username"));
								}
							}
							static void gputty_on_load(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								char buf[11];
								char * p;
								char * q;
								int port;
								if(g->selection < 0 || g->selection >= 100)
									return;
								sprintf(buf, "session %d", g->selection);
								if((p = config_get(g->config, buf, "hostname")) == NULL)
									gtk_entry_set_text(GTK_ENTRY(g->hn_ehostname), "");
								else
									gtk_entry_set_text(GTK_ENTRY(g->hn_ehostname), p);
								if((p = config_get(g->config, buf, "username")) == NULL)
									gtk_entry_set_text(GTK_ENTRY(g->hn_eusername), "");
								else
									gtk_entry_set_text(GTK_ENTRY(g->hn_eusername), p);
								if((p = config_get(g->config, buf, "port")) == NULL)
								{
									gtk_spin_button_set_value(GTK_SPIN_BUTTON(g->hn_sport),
											SSH_PORT);
									return;
								}
								port = strtol(p, &q, 10);
								if(*q == '\0' && port >= 0 && port <= 65535)
									gtk_spin_button_set_value(GTK_SPIN_BUTTON(g->hn_sport), port);
							}
							static void gputty_on_options_cancel(GtkWidget * widget, gpointer data);
							static void gputty_on_options_closex(GtkWidget * widget, GdkEvent * event, gpointer data);
							static void gputty_on_options_ok(GtkWidget * widget, gpointer data);
							static void gputty_on_options(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								char * p;
								if(g->op_window == NULL)
								{
									g->op_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
									gtk_container_set_border_width(GTK_CONTAINER(g->op_window), 4);
									gtk_window_set_title(GTK_WINDOW(g->op_window),
											"GPuTTY Preferences");
									g_signal_connect(G_OBJECT(g->op_window), "delete_event",
											G_CALLBACK(gputty_on_options_closex), g);
									g->op_vbox = gtk_vbox_new(FALSE, 0);
									/* xterm */
									g->op_hbox1 = gtk_hbox_new(TRUE, 0);
									g->op_lxterm = gtk_label_new("Terminal emulator: ");
									gtk_box_pack_start(GTK_BOX(g->op_hbox1), g->op_lxterm,
											FALSE, FALSE, 0);
									g->op_exterm = gtk_entry_new();
									gtk_box_pack_start(GTK_BOX(g->op_hbox1), g->op_exterm,
											FALSE, FALSE, 0);
									gtk_box_pack_start(GTK_BOX(g->op_vbox), g->op_hbox1,
											FALSE, FALSE, 0);
									/* ssh */
									g->op_hbox2 = gtk_hbox_new(TRUE, 0);
									g->op_lssh = gtk_label_new("SSH client: ");
									gtk_box_pack_start(GTK_BOX(g->op_hbox2), g->op_lssh,
											FALSE, FALSE, 0);
									g->op_essh = gtk_entry_new();
									gtk_box_pack_start(GTK_BOX(g->op_hbox2), g->op_essh,
											FALSE, FALSE, 0);
									gtk_box_pack_start(GTK_BOX(g->op_vbox), g->op_hbox2,
											FALSE, FALSE, 4);
									/* buttons */
									g->op_hbox3 = gtk_hbox_new(FALSE, 0);
									g->op_ok = gtk_button_new_from_stock(GTK_STOCK_OK);
									g_signal_connect(G_OBJECT(g->op_ok), "clicked",
											G_CALLBACK(gputty_on_options_ok), g);
									gtk_box_pack_end(GTK_BOX(g->op_hbox3), g->op_ok,
											FALSE, FALSE, 0);
									g->op_cancel = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
									g_signal_connect(G_OBJECT(g->op_cancel), "clicked",
											G_CALLBACK(gputty_on_options_cancel), g);
									gtk_box_pack_end(GTK_BOX(g->op_hbox3), g->op_cancel,
											FALSE, FALSE, 4);
									gtk_box_pack_start(GTK_BOX(g->op_vbox), g->op_hbox3,
											FALSE, FALSE, 0);
									gtk_container_add(GTK_CONTAINER(g->op_window), g->op_vbox);
									gtk_widget_show_all(g->op_window);
								}
								if((p = config_get(g->config, "", "xterm")) != NULL)
									gtk_entry_set_text(GTK_ENTRY(g->op_exterm), p);
								if((p = config_get(g->config, "", "ssh")) != NULL)
									gtk_entry_set_text(GTK_ENTRY(g->op_essh), p);
								gtk_widget_show(g->op_window);
							}
							static void gputty_on_options_cancel(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								gtk_widget_hide(g->op_window);
							}
							static void gputty_on_options_closex(GtkWidget * widget, GdkEvent * event, gpointer data)
							{
								GPuTTY * g = data;
								gtk_widget_hide(g->op_window);
							}
							static void gputty_on_options_ok(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								gtk_widget_hide(g->op_window);
								config_set(g->config, "", "xterm", gtk_entry_get_text(GTK_ENTRY(
												g->op_exterm)));
								config_set(g->config, "", "ssh", gtk_entry_get_text(GTK_ENTRY(
												g->op_essh)));
							}
							static void gputty_on_exit(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								char buf[11];
								char * filename;
								if(g->config == NULL)
								{
									fprintf(stderr, "%s", "gputty: not saving configuration\n");
									gtk_main_quit();
									return;
								}
								config_set(g->config, "", "hostname", gtk_entry_get_text(GTK_ENTRY(
												g->hn_ehostname)));
								config_set(g->config, "", "username", gtk_entry_get_text(GTK_ENTRY(
												g->hn_eusername)));
								snprintf(buf, sizeof(buf), "%d", gtk_spin_button_get_value_as_int(
											GTK_SPIN_BUTTON(g->hn_sport)));
								config_set(g->config, "", "port", buf);
								if((filename = _gputty_config_file()) == NULL
										|| config_save(g->config, filename) != 0)
								{
									fprintf(stderr, "%s%s", "gputty: an error occured while",
											" saving configuration\n");
									if(filename != NULL)
										free(filename);
								}
								gtk_main_quit();
							}
							static void gputty_on_exitx(GtkWidget * widget, GdkEvent * event, gpointer data)
							{
								gputty_on_exit(widget, data);
							}
							static void gputty_on_save(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								char const * session;
								char const * hostname;
								int port;
								char const * username;
								int row = g->selection;
								char buf[11];
								char buf2[11];
								session = gtk_entry_get_text(GTK_ENTRY(g->sn_esessions));
								if(session[0] == '\0')
									return;
								hostname = gtk_entry_get_text(GTK_ENTRY(g->hn_ehostname));
								if(hostname[0] == '\0')
									return;
								username = gtk_entry_get_text(GTK_ENTRY(g->hn_eusername));
								port = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(g->hn_sport));
								if(g->selection == -1)
								{
									gtk_list_store_append(g->sn_lsessions, &g->sn_ilsessions);
									gtk_list_store_set(g->sn_lsessions, &g->sn_ilsessions, 0,
											session, -1);
								}
								else
									gtk_list_store_set(g->sn_lsessions, &g->sn_ilsessions, 0,
											session, -1);
								if(row >= 100 || row < 0)
									return;
								sprintf(buf, "session %d", row);
								sprintf(buf2, "%d", port);
								config_set(g->config, buf, "name", session);
								config_set(g->config, buf, "hostname", hostname);
								config_set(g->config, buf, "username", username);
								config_set(g->config, buf, "port", buf2);
							}
							static void gputty_on_session_activate(GtkTreeView * view, GtkTreePath * path,
									GtkTreeViewColumn * column, gpointer data)
							{
								GPuTTY * g = data;
								gint * p;
								if((p = gtk_tree_path_get_indices(path)) == NULL || *p < 0)
									return;
								g->selection = *p;
								gputty_on_load(GTK_WIDGET(view), data);
								gputty_on_connect(GTK_WIDGET(view), data);
							}
							static void gputty_on_session_select(GtkTreeView * view, gpointer data)
							{
								GPuTTY * g = data;
								GtkTreeSelection * sel;
								GList * list;
								int * p;
								g->selection = -1;
								sel = gtk_tree_view_get_selection(view);
								if(!gtk_tree_selection_get_selected(sel, NULL, &g->sn_ilsessions)
									|| (list = gtk_tree_selection_get_selected_rows(sel, NULL))
										== NULL)
									return;
								if((p = gtk_tree_path_get_indices(list->data)) != NULL)
									g->selection = *p;
								g_list_foreach(list, (GFunc)gtk_tree_path_free, NULL);
								g_list_free(list);
							}
							/* main */
							int main(int argc, char * argv[])
							{
								GPuTTY * gputty;
								gtk_init(&argc, &argv);
								if((gputty = gputty_new()) == NULL)
									return 1;
								gtk_main();
								gputty_delete(gputty);
								return 0;
							}
							