gputty
/* $Id: gputty.c,v 1.63 2007/09/25 17:31:33 khorben Exp $ */
							static char const _copyright[] =
							"Copyright (c) 2004-2007 Pierre Pronchery <khorben@defora.org>";
							/* This file is part of GPuTTY */
							static char const _license[] =
							"GPuTTY is free software; you can redistribute it and/or modify\n"
							"it under the terms of the GNU General Public License as published by\n"
							"the Free Software Foundation; either version 2 of the License, or\n"
							"(at your option) any later version.\n"
							"\n"
							 "GPuTTY is distributed in the hope that it will be useful,\n"
							 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
							 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
							 "GNU General Public License for more details.\n"
							 "\n"
							 "You should have received a copy of the GNU General Public License\n"
							 "along with GPuTTY; if not, write to the Free Software\n"
							 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\n";
							#include <sys/types.h>
							#include <unistd.h>
							#include <stdlib.h>
							#include <stdio.h>
							#include <string.h>
							#include <limits.h>
							#include <gtk/gtk.h>
							#include <gdk/gdkkeysyms.h>
							#include "gputty.h"
							#include "../config.h"
							/* constants */
							static char const * _authors[] =
							{
								"Pierre Pronchery <khorben@defora.org>",
								NULL
							};
							/* GPuTTY */
							/* private */
							/* types */
							typedef enum _GPuTTYColumn
							{
								GC_COL_NAME = 0,
								GC_COUNT
							} GPuTTYColumn;
							#define GC_LAST GC_COUNT
							/* prototypes */
							static int _gputty_error(char const * message, int ret);
							static char * _gputty_config_file(void);
							/* callbacks */
							static void _on_about(GtkWidget * widget, gpointer data);
							static gboolean _on_closex(GtkWidget * widget, GdkEvent * event, gpointer data);
							static void _on_connect(GtkWidget * widget, gpointer data);
							static void _on_delete(GtkWidget * widget, gpointer data);
							static void _on_load(GtkWidget * widget, gpointer data);
							static void _on_exit(GtkWidget * widget, gpointer data);
							static void _on_preferences(GtkWidget * widget, gpointer data);
							static void _on_save(GtkWidget * widget, gpointer data);
							static void _on_session_activate(GtkTreeView * view, GtkTreePath * path,
									GtkTreeViewColumn * column, gpointer data);
							static void _on_session_select(GtkTreeSelection * selection, gpointer data);
							/* functions */
							/* gputty_error */
							static int _gputty_error(char const * message, int ret)
							{
								fputs(PACKAGE ": ", stderr);
								perror(message);
								return ret;
							}
							/* gputty_config_file */
							static char * _gputty_config_file(void)
							{
								static char filename[PATH_MAX];
								char * p;
								if((p = getenv("HOME")) == NULL)
									return NULL;
								if(snprintf(filename, sizeof(filename), "%s/%s", p, GPUTTY_CONFIG_FILE)
										>= (int)sizeof(filename)) /* XXX cast */
									return NULL;
								return filename;
							}
							/* callbacks */
							/* on_about */
							static gboolean _about_on_closex(GtkWidget * widget, GdkEvent * event,
									gpointer data);
							#if !GTK_CHECK_VERSION(2, 6, 0)
							static void _about_on_close(GtkWidget * widget, gpointer data);
							static void _about_on_credits(GtkWidget * widget, gpointer data);
							static void _about_on_license(GtkWidget * widget, gpointer data);
							#endif
							static void _on_about(GtkWidget * widget, gpointer data)
							{
								GPuTTY * gputty = data;
								static GtkWidget * window = 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 website[] = "http://people.defora.org/~khorben/projects/gputty/";
							#if GTK_CHECK_VERSION(2, 6, 0)
								gsize cnt = 65536;
								gchar * buf;
								if(window != NULL)
								{
									gtk_widget_show(window);
									return;
								}
								if((buf = malloc(sizeof(*buf) * cnt)) == NULL)
								{
									_gputty_error("malloc", 0);
									return;
								}
								window = gtk_about_dialog_new();
								gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(
											gputty->window));
								g_signal_connect(G_OBJECT(window), "delete-event", G_CALLBACK(
											_about_on_closex), NULL);
								g_signal_connect(G_OBJECT(window), "response", G_CALLBACK(
											gtk_widget_hide), NULL);
								gtk_about_dialog_set_name(GTK_ABOUT_DIALOG(window), PACKAGE);
								gtk_about_dialog_set_version(GTK_ABOUT_DIALOG(window), VERSION);
								gtk_about_dialog_set_copyright(GTK_ABOUT_DIALOG(window), _copyright);
								gtk_about_dialog_set_comments(GTK_ABOUT_DIALOG(window), comment);
								gtk_about_dialog_set_website(GTK_ABOUT_DIALOG(window), website);
								gtk_about_dialog_set_authors(GTK_ABOUT_DIALOG(window), _authors);
								if(g_file_get_contents("/usr/share/common-licenses/GPL-2", &buf, &cnt,
											NULL) == TRUE)
									gtk_about_dialog_set_license(GTK_ABOUT_DIALOG(window), buf);
								else
									gtk_about_dialog_set_license(GTK_ABOUT_DIALOG(window),
											_license);
								free(buf);
								gtk_widget_show(window);
							#else
								GtkWidget * vbox;
								GtkWidget * hbox;
								if(window != NULL)
								{
									gtk_widget_show(window);
									return;
								}
								window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
								gtk_container_set_border_width(GTK_CONTAINER(window), 4);
								gtk_window_set_title(GTK_WINDOW(window), "About " PACKAGE);
								gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(
											gputty->window));
								g_signal_connect(G_OBJECT(window), "delete-event", G_CALLBACK(
											_about_on_closex), NULL);
								vbox = gtk_vbox_new(FALSE, 2);
								widget = gtk_label_new(PACKAGE " " VERSION);
								gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, FALSE, 2);
								widget = gtk_label_new(comment);
								gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, FALSE, 2);
								widget = gtk_label_new(_copyright);
								gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, FALSE, 2);
								widget = gtk_label_new(website);
								gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, FALSE, 2);
								hbox = gtk_hbox_new(TRUE, 0);
								widget = gtk_button_new_with_mnemonic("C_redits");
								g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(
											_about_on_credits), window);
								gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 4);
								widget = gtk_button_new_with_mnemonic("_License");
								g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(
											_about_on_license), window);
								gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 4);
								widget = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
								g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(
											_about_on_close), window);
								gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, TRUE, 4);
								gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 4);
								gtk_container_add(GTK_CONTAINER(window), vbox);
								gtk_widget_show_all(window);
							#endif
							}
							static gboolean _about_on_closex(GtkWidget * widget, GdkEvent * event,
									gpointer data)
							{
								gtk_widget_hide(widget);
								return TRUE;
							}
							#if !GTK_CHECK_VERSION(2, 6, 0)
							static void _about_on_close(GtkWidget * widget, gpointer data)
							{
								GtkWidget * window = data;
								gtk_widget_hide(window);
							}
							static void _about_on_credits(GtkWidget * widget, gpointer data)
							{
								static GtkWidget * window = NULL;
								GtkWidget * about = data;
								GtkWidget * vbox;
								GtkWidget * notebook;
								GtkWidget * textview;
								GtkTextBuffer * tbuf;
								GtkTextIter iter;
								GtkWidget * hbox;
								size_t i;
								if(window != NULL)
								{
									gtk_widget_show(window);
									return;
								}
								window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
								gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
								gtk_container_set_border_width(GTK_CONTAINER(window), 4);
								gtk_window_set_title(GTK_WINDOW(window), "Credits");
								gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(about));
								g_signal_connect(G_OBJECT(window), "delete-event", G_CALLBACK(
											_about_on_closex), NULL);
								vbox = gtk_vbox_new(FALSE, 0);
								textview = gtk_text_view_new();
								gtk_text_view_set_editable(GTK_TEXT_VIEW(textview), FALSE);
								tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
								gtk_text_buffer_set_text(tbuf, "", 0);
								for(i = 0; _authors[i] != NULL; i++)
								{
									gtk_text_buffer_get_end_iter(tbuf, &iter);
									gtk_text_buffer_insert(tbuf, &iter, _authors[i], strlen(
												_authors[i]));
								}
								widget = gtk_scrolled_window_new(NULL, NULL);
								gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(widget),
										GTK_SHADOW_IN);
								gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
										GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
								gtk_container_add(GTK_CONTAINER(widget), textview);
								notebook = gtk_notebook_new();
								gtk_notebook_append_page(GTK_NOTEBOOK(notebook), widget,
										gtk_label_new("Written by"));
								gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 4);
								hbox = gtk_hbox_new(FALSE, 0);
								widget = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
								g_signal_connect(G_OBJECT(widget), "clicked",
										G_CALLBACK(_about_on_close), window);
								gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, TRUE, 4);
								gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 4);
								gtk_container_add(GTK_CONTAINER(window), vbox);
								gtk_widget_show_all(window);
							}
							static void _about_on_license(GtkWidget * widget, gpointer data)
							{
								static GtkWidget * window = NULL;
								GtkWidget * about = data;
								GtkWidget * vbox;
								GtkWidget * textview;
								GtkTextBuffer * tbuf;
								GtkWidget * hbox;
								if(window != NULL)
								{
									gtk_widget_show(window);
									return;
								}
								window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
								gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
								gtk_container_set_border_width(GTK_CONTAINER(window), 4);
								gtk_window_set_title(GTK_WINDOW(window), "Credits");
								gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(about));
								g_signal_connect(G_OBJECT(window), "delete-event", G_CALLBACK(
											_about_on_closex), NULL);
								vbox = gtk_vbox_new(FALSE, 0);
								textview = gtk_text_view_new();
								gtk_text_view_set_editable(GTK_TEXT_VIEW(textview), FALSE);
								tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
								gtk_text_buffer_set_text(tbuf, _license, strlen(_license));
								widget = gtk_scrolled_window_new(NULL, NULL);
								gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(widget),
										GTK_SHADOW_IN);
								gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
										GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
								gtk_container_add(GTK_CONTAINER(widget), textview);
								gtk_box_pack_start(GTK_BOX(vbox), widget, TRUE, TRUE, 4);
								hbox = gtk_hbox_new(FALSE, 0);
								widget = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
								g_signal_connect(G_OBJECT(widget), "clicked",
										G_CALLBACK(_about_on_close), window);
								gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, TRUE, 4);
								gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 4);
								gtk_container_add(GTK_CONTAINER(window), vbox);
								gtk_widget_show_all(window);
							}
							#endif /* !GTK_CHECK_VERSION(2, 6, 0) */
							static gboolean _on_closex(GtkWidget * widget, GdkEvent * event, gpointer data)
							{
								_on_exit(widget, data);
								return TRUE;
							}
							static void _on_connect(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								pid_t pid;
								char * xterm = NULL;
								char * termopt = "-e";
								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, sizeof(port), "%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";
									if(strcmp(xterm, "gnome-terminal") == 0)
										termopt = "-x";
									execlp(xterm, xterm, termopt, ssh, hostname, "-p", port,
											useropt, username, NULL);
									exit(_gputty_error(xterm, 2));
								}
							}
							static void _on_delete(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								int i;
								GtkTreeModel * model;
								GtkTreePath * path;
								GtkTreeIter iter;
								char buf1[11];
								char buf2[11];
								char * p;
								if((i = g->selection) == -1)
									return;
								model = gtk_tree_view_get_model(GTK_TREE_VIEW(g->sn_tlsessions));
								path = gtk_tree_path_new_from_indices(i, -1);
								gtk_tree_model_get_iter(model, &iter, path);
								gtk_tree_path_free(path);
								gtk_list_store_remove(GTK_LIST_STORE(model), &iter);
								for(; i < 100; i++)
								{
									/* XXX store information in the ListStore instead */
									snprintf(buf1, sizeof(buf1), "session %d", i);
									snprintf(buf2, sizeof(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 _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;
								snprintf(buf, sizeof(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 _on_exit(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								char buf[11];
								char * filename;
								if(g->config == NULL)
								{
									fputs(PACKAGE ": not saving configuration\n", stderr);
									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)
									fputs(PACKAGE ": an error occured while saving configuration\n",
											stderr);
								gtk_main_quit();
							}
							/* on_preferences */
							static void _on_preferences_cancel(GtkWidget * widget, gpointer data);
							static void _on_preferences_closex(GtkWidget * widget, GdkEvent * event,
									gpointer data);
							static void _on_preferences_ok(GtkWidget * widget, gpointer data);
							static void _on_preferences(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								GtkWidget * vbox;
								GtkWidget * hbox;
								GtkWidget * frame;
								GtkWidget * vbox2;
								GtkSizeGroup * group;
								char const * p;
								if(g->pr_window != NULL)
								{
									gtk_widget_show(g->pr_window);
									return;
								}
								g->pr_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
								gtk_window_set_resizable(GTK_WINDOW(g->pr_window), FALSE);
								gtk_window_set_title(GTK_WINDOW(g->pr_window), "GPuTTY preferences");
								gtk_window_set_transient_for(GTK_WINDOW(g->pr_window), GTK_WINDOW(
											g->window));
								gtk_container_set_border_width(GTK_CONTAINER(g->pr_window), 4);
								g_signal_connect(G_OBJECT(g->pr_window), "delete-event", G_CALLBACK(
											_on_preferences_closex), g);
								vbox = gtk_vbox_new(FALSE, 0);
								/* external */
								frame = gtk_frame_new("External programs");
								vbox2 = gtk_vbox_new(FALSE, 0);
								/* xterm */
								hbox = gtk_hbox_new(FALSE, 0);
								widget = gtk_label_new("Terminal emulator: ");
								gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 4);
								g->pr_exterm = gtk_entry_new();
								gtk_box_pack_start(GTK_BOX(hbox), g->pr_exterm, FALSE, FALSE, 4);
								gtk_box_pack_start(GTK_BOX(vbox2), hbox, FALSE, FALSE, 0);
								/* ssh */
								hbox = gtk_hbox_new(FALSE, 0);
								widget = gtk_label_new("SSH client: ");
								gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 4);
								g->pr_essh = gtk_entry_new();
								gtk_box_pack_start(GTK_BOX(hbox), g->pr_essh, FALSE, FALSE, 4);
								gtk_box_pack_start(GTK_BOX(vbox2), hbox, FALSE, FALSE, 4);
								gtk_container_add(GTK_CONTAINER(frame), vbox2);
								gtk_box_pack_start(GTK_BOX(vbox), frame, TRUE, TRUE, 4);
								/* buttons */
								hbox = gtk_hbox_new(FALSE, 4);
								group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
								widget = gtk_button_new_from_stock(GTK_STOCK_OK);
								g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(
											_on_preferences_ok), g);
								gtk_size_group_add_widget(group, widget);
								gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
								widget = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
								g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(
											_on_preferences_cancel), g);
								gtk_size_group_add_widget(group, widget);
								gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
								gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
								gtk_container_add(GTK_CONTAINER(g->pr_window), vbox);
								if((p = config_get(g->config, "", "xterm")) != NULL)
									gtk_entry_set_text(GTK_ENTRY(g->pr_exterm), p);
								if((p = config_get(g->config, "", "ssh")) != NULL)
									gtk_entry_set_text(GTK_ENTRY(g->pr_essh), p);
								gtk_widget_show_all(g->pr_window);
							}
							static void _on_preferences_cancel(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								char const * p;
								gtk_widget_hide(g->pr_window);
								/* FIXME factorize code */
								if((p = config_get(g->config, "", "xterm")) != NULL)
									gtk_entry_set_text(GTK_ENTRY(g->pr_exterm), p);
								if((p = config_get(g->config, "", "ssh")) != NULL)
									gtk_entry_set_text(GTK_ENTRY(g->pr_essh), p);
							}
							static void _on_preferences_closex(GtkWidget * widget, GdkEvent * event,
									gpointer data)
							{
								GPuTTY * g = data;
								gtk_widget_hide(g->pr_window);
							}
							static void _on_preferences_ok(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								gtk_widget_hide(g->pr_window);
								config_set(g->config, "", "xterm", gtk_entry_get_text(GTK_ENTRY(
												g->pr_exterm)));
								config_set(g->config, "", "ssh", gtk_entry_get_text(GTK_ENTRY(
												g->pr_essh)));
							}
							static void _on_save(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								char const * session;
								char const * hostname;
								int port;
								char const * username;
								char buf[11];
								char buf2[11];
								GtkTreeSelection * sel;
								GtkTreeIter iter;
								GtkTreeModel * model;
								int row = g->selection;
								GtkTreePath * path;
								int * p;
								session = gtk_entry_get_text(GTK_ENTRY(g->sn_esessions));
								hostname = gtk_entry_get_text(GTK_ENTRY(g->hn_ehostname));
								if(session[0] == '\0' || 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));
								sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(g->sn_tlsessions));
								if(gtk_tree_selection_get_selected(sel, &model, &iter) != TRUE)
									gtk_list_store_append(GTK_LIST_STORE(model), &iter);
								gtk_list_store_set(GTK_LIST_STORE(model), &iter, GC_COL_NAME, session,
										-1);
								if(row < 0)
								{
									path = gtk_tree_model_get_path(model, &iter);
									if((p = gtk_tree_path_get_indices(path)) != NULL)
										row = *p;
									gtk_tree_path_free(path);
								}
								if(row < 0 || row >= 100)
								{
									fprintf(stderr, "%s%s%s", "gputty: Can't save session (",
											row < 0 ? "negative session"
											: "100 sessions maximum", ")\n");
									return;
								}
								snprintf(buf, sizeof(buf), "session %d", row);
								snprintf(buf2, sizeof(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 _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;
								_on_load(GTK_WIDGET(view), data);
								_on_connect(GTK_WIDGET(view), data);
							}
							static void _on_session_select(GtkTreeSelection * selection, gpointer data)
							{
								GPuTTY * g = data;
								GtkTreeModel * model;
								GtkTreeIter iter;
								GList * list;
								int * p;
								g->selection = -1;
								if(!gtk_tree_selection_get_selected(selection, &model, &iter)
										|| (list = gtk_tree_selection_get_selected_rows(
												selection, 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);
							}
							/* public */
							/* functions */
							/* gputty_new */
							GPuTTY * gputty_new(void)
							{
								GPuTTY * g;
								char buf[11];
								char * p;
								char * q;
								unsigned int i;
								GtkWidget * vbox;
								GtkWidget * vbox2;
								GtkWidget * hbox;
								GtkWidget * widget;
								GtkListStore * model;
								GtkTreeIter iter;
								GtkTreeSelection * sel;
								GtkAccelGroup * group;
								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);
								snprintf(buf, sizeof(buf), "%hu", SSH_PORT);
								config_set(g->config, "", "port", buf);
								/* FIXME use ETCDIR */
								config_load(g->config, "/etc/gputty.conf");
								if((p = _gputty_config_file()) != NULL)
									config_load(g->config, p);
								g->selection = -1;
								/* widgets */
								group = gtk_accel_group_new();
								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(
											_on_closex), g);
								vbox = gtk_vbox_new(FALSE, 4);
								gtk_container_add(GTK_CONTAINER(g->window), vbox);
								/* hostname */
								g->hn_frame = gtk_frame_new("Connection settings");
								gtk_box_pack_start(GTK_BOX(vbox), g->hn_frame, FALSE, FALSE, 0);
								vbox2 = gtk_vbox_new(FALSE, 0);
								gtk_container_set_border_width(GTK_CONTAINER(vbox2), 4);
								gtk_container_add(GTK_CONTAINER(g->hn_frame), vbox2);
								hbox = gtk_hbox_new(FALSE, 4);
								gtk_box_pack_start(GTK_BOX(vbox2), hbox, TRUE, TRUE, 0);
								/* hostname: hostname */
								vbox2 = gtk_vbox_new(FALSE, 4);
								gtk_box_pack_start(GTK_BOX(hbox), vbox2, TRUE, TRUE, 0);
								widget = gtk_label_new("Hostname");
								gtk_box_pack_start(GTK_BOX(vbox2), widget, 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);
								g_signal_connect(G_OBJECT(g->hn_ehostname), "activate", G_CALLBACK(
											_on_connect), g);
								gtk_box_pack_start(GTK_BOX(vbox2), g->hn_ehostname, TRUE, TRUE, 0);
								/* hostname: port */
								vbox2 = gtk_vbox_new(FALSE, 4);
								gtk_box_pack_start(GTK_BOX(hbox), vbox2, TRUE, TRUE, 0);
								widget = gtk_label_new("Port");
								gtk_box_pack_start(GTK_BOX(vbox2), widget, TRUE, TRUE, 0);
								g->hn_sport = gtk_spin_button_new_with_range(0, 65535, 1);
								gtk_spin_button_set_value(GTK_SPIN_BUTTON(g->hn_sport), SSH_PORT);
								if((p = config_get(g->config, "", "port")) != NULL)
								{
									i = strtol(p, &q, 10);
									if(*q == '\0' && i <= 65535)
										gtk_spin_button_set_value(GTK_SPIN_BUTTON(g->hn_sport),
												i);
								}
								gtk_box_pack_start(GTK_BOX(vbox2), g->hn_sport, TRUE, TRUE, 0);
								/* hostname: username */
								vbox2 = gtk_vbox_new(FALSE, 4);
								gtk_box_pack_start(GTK_BOX(hbox), vbox2, TRUE, TRUE, 0);
								widget = gtk_label_new("User name");
								gtk_box_pack_start(GTK_BOX(vbox2), widget, 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(vbox2), g->hn_eusername, TRUE, TRUE, 0);
								/* sessions */
								g->sn_frame = gtk_frame_new("Manage sessions");
								vbox2 = gtk_vbox_new(FALSE, 0);
								hbox = gtk_hbox_new(FALSE, 4);
								gtk_container_set_border_width(GTK_CONTAINER(hbox), 4);
								gtk_box_pack_start(GTK_BOX(vbox2), hbox, TRUE, TRUE, 0);
								gtk_container_add(GTK_CONTAINER(g->sn_frame), vbox2);
								gtk_box_pack_start(GTK_BOX(vbox), g->sn_frame, TRUE, TRUE, 0);
								/* sessions: list */
								vbox2 = gtk_vbox_new(FALSE, 4);
								g->sn_esessions = gtk_entry_new();
								gtk_box_pack_start(GTK_BOX(vbox2), g->sn_esessions, FALSE, FALSE, 0);
								widget = gtk_scrolled_window_new(NULL, NULL);
								gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(widget),
										GTK_SHADOW_IN);
								gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
										GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
								model = gtk_list_store_new(GC_COUNT, G_TYPE_STRING);
								g->sn_tlsessions = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
								gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(
											g->sn_tlsessions), -1, "Session",
										gtk_cell_renderer_text_new(), "text", GC_COL_NAME,
										NULL);
								sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(g->sn_tlsessions));
								g_signal_connect(G_OBJECT(sel), "changed", G_CALLBACK(
											_on_session_select), g);
								g_signal_connect(G_OBJECT(g->sn_tlsessions), "row-activated",
										G_CALLBACK(_on_session_activate), g);
								gtk_container_add(GTK_CONTAINER(widget), g->sn_tlsessions);
								gtk_box_pack_start(GTK_BOX(vbox2), widget, TRUE, TRUE, 0);
								gtk_box_pack_start(GTK_BOX(hbox), vbox2, TRUE, TRUE, 0);
								/* sessions: buttons */
								vbox2 = gtk_vbox_new(FALSE, 4);
								g->sn_load = gtk_button_new_from_stock(GTK_STOCK_OPEN);
								g_signal_connect(G_OBJECT(g->sn_load), "clicked", G_CALLBACK(_on_load),
										g);
								gtk_box_pack_start(GTK_BOX(vbox2), g->sn_load, FALSE, FALSE, 0);
								g->sn_save = gtk_button_new_from_stock(GTK_STOCK_SAVE);
								g_signal_connect(G_OBJECT(g->sn_save), "clicked", G_CALLBACK(_on_save),
										g);
								gtk_box_pack_start(GTK_BOX(vbox2), 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(
											_on_delete), g);
								gtk_box_pack_start(GTK_BOX(vbox2), g->sn_delete, FALSE, FALSE, 0);
								gtk_box_pack_start(GTK_BOX(hbox), vbox2, FALSE, FALSE, 0);
								/* actions */
								hbox = gtk_hbox_new(FALSE, 4);
							#if GTK_CHECK_VERSION(2, 6, 0)
								widget = gtk_button_new_from_stock(GTK_STOCK_ABOUT);
							#else
								widget = gtk_button_new_with_mnemonic("_About");
							#endif
								gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, FALSE, 0);
								g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(_on_about), g);
								widget = gtk_button_new_from_stock(GTK_STOCK_PREFERENCES);
								gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, FALSE, 0);
								g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(
											_on_preferences), g);
								widget = gtk_button_new_with_mnemonic("_Connect");
								g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(_on_connect),
										g);
								gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, FALSE, 0);
								widget = gtk_button_new_from_stock(GTK_STOCK_QUIT);
								gtk_widget_add_accelerator(widget, "clicked", group, GDK_Q,
										GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
								g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(_on_exit), 
										g);
								gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, FALSE, 0);
								gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
								/* preferences */
								g->pr_window = NULL;
								/* load sessions */
								for(i = 0; i < 100; i++)
								{
									snprintf(buf, sizeof(buf), "session %u", i);
									if((p = config_get(g->config, buf, "name")) == NULL)
										break;
									gtk_list_store_append(model, &iter);
									gtk_list_store_set(model, &iter, GC_COL_NAME, p, -1);
								}
								/* show window */
								gtk_widget_show_all(g->window);
								gtk_window_add_accel_group(GTK_WINDOW(g->window), group);
								return g;
							}
							void gputty_delete(GPuTTY * gputty)
							{
								gtk_widget_destroy(gputty->window);
								config_delete(gputty->config);
								free(gputty);
							}
							/* 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;
							}
							