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 <err.h>
							#include <gtk/gtk.h>
							#include "gputty.h"
							/* GPuTTY */
							static void gputty_about(GtkWidget * widget, gpointer data);
							static void gputty_about_close(GtkWidget * widget, gpointer data);
							static void gputty_about_closex(GtkWidget * widget, GdkEvent * event, gpointer data);
							static void gputty_connect(GtkWidget * widget, gpointer data);
							static void gputty_load(GtkWidget * widget, gpointer data);
							static void gputty_quit(GtkWidget * widget, gpointer data);
							static void gputty_quitx(GtkWidget * widget, GdkEvent * event, gpointer data);
							static void gputty_save(GtkWidget * widget, gpointer data);
							GPuTTY * gputty_new(void)
							{
								GPuTTY * g;
								if((g = malloc(sizeof(GPuTTY))) == NULL)
								{
									perror("malloc");
									return NULL;
								}
								/* Config */
								if((g->config = config_new()) != NULL) /* FIXME */
								{
									config_set(g->config, "", "ssh", "ssh");
									config_set(g->config, "", "xterm", "xterm");
							/*		config_load(g->config, "/etc/gputty"); */
									config_load(g->config, ".gputty");
								}
								/* widgets */
								g->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
								gtk_window_set_title(GTK_WINDOW(g->window), "GPuTTY configuration");
								gtk_container_set_border_width(GTK_CONTAINER(g->window), 2);
								g_signal_connect(G_OBJECT(g->window), "delete_event",
										G_CALLBACK(gputty_quitx), 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_container_set_border_width(GTK_CONTAINER(g->hn_frame), 2);
								gtk_box_pack_start(GTK_BOX(g->vbox), g->hn_frame, FALSE, FALSE, 0);
								g->hn_vbox = gtk_vbox_new(FALSE, 0);
								gtk_container_add(GTK_CONTAINER(g->hn_frame), g->hn_vbox);
								g->hn_hbox = gtk_hbox_new(FALSE, 0);
								gtk_container_set_border_width(GTK_CONTAINER(g->hn_hbox), 2);
								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();
								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, 0);
								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);
								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();
								gtk_box_pack_start(GTK_BOX(g->hn_vbox3), g->hn_eusername, TRUE, TRUE, 0);
								/* sessions */
								g->sn_frame = gtk_frame_new("Manage sessions");
								gtk_container_set_border_width(GTK_CONTAINER(g->sn_frame), 2);
								g->sn_vbox1 = gtk_vbox_new(FALSE, 0);
								g->sn_lsessions = gtk_label_new("Saved sessions");
								gtk_box_pack_start(GTK_BOX(g->sn_vbox1), g->sn_lsessions, FALSE, 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), 2);
								g->sn_esessions = gtk_entry_new();
								gtk_box_pack_start(GTK_BOX(g->sn_vbox2), g->sn_esessions, FALSE, FALSE, 0);
								g->sn_clsessions = gtk_clist_new(1);
								gtk_box_pack_start(GTK_BOX(g->sn_vbox2), g->sn_clsessions, 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_with_label("Load");
								g_signal_connect(G_OBJECT(g->sn_load), "clicked", G_CALLBACK(gputty_load), g);
								gtk_container_set_border_width(GTK_CONTAINER(g->sn_load), 2);
								gtk_box_pack_start(GTK_BOX(g->sn_vbox3), g->sn_load, FALSE, FALSE, 0);
								g->sn_save = gtk_button_new_with_label("Save");
								g_signal_connect(G_OBJECT(g->sn_save), "clicked", G_CALLBACK(gputty_save), g);
								gtk_container_set_border_width(GTK_CONTAINER(g->sn_save), 2);
								gtk_box_pack_start(GTK_BOX(g->sn_vbox3), g->sn_save, FALSE, FALSE, 0);
								g->sn_delete = gtk_button_new_with_label("Delete");
								gtk_container_set_border_width(GTK_CONTAINER(g->sn_delete), 2);
								gtk_box_pack_start(GTK_BOX(g->sn_vbox3), g->sn_delete, FALSE, FALSE, 0);
								gtk_box_pack_start(GTK_BOX(g->sn_hbox), g->sn_vbox3, TRUE, TRUE, 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, 0);
								/* actions */
								g->ac_hbox = gtk_hbox_new(FALSE, 0);
								g->ac_about = gtk_button_new_with_label("About");
								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_about), g);
								g->ac_connect = gtk_button_new_with_label("Connect");
								g_signal_connect(G_OBJECT(g->ac_connect), "clicked",
										G_CALLBACK(gputty_connect), g);
								gtk_box_pack_end(GTK_BOX(g->ac_hbox), g->ac_connect, FALSE, FALSE, 0);
								g->ac_quit = gtk_button_new_with_label("Quit");
								gtk_box_pack_end(GTK_BOX(g->ac_hbox), g->ac_quit, FALSE, FALSE, 2);
								g_signal_connect(G_OBJECT(g->ac_quit), "clicked",
										G_CALLBACK(gputty_quit), g);
								gtk_box_pack_start(GTK_BOX(g->vbox), g->ac_hbox, FALSE, FALSE, 0);
								/* about */
								g->ab_window = NULL;
								gtk_widget_show_all(g->window);
								return g;
							}
							void gputty_delete(GPuTTY * gputty)
							{
								config_delete(gputty->config);
								free(gputty);
							}
							/* callbacks */
							static void gputty_about(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g;
								g = data;
								if(g->ab_window == NULL)
								{
									g->ab_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
									gtk_window_set_title(GTK_WINDOW(g->ab_window), "About GPuTTY");
									g_signal_connect(G_OBJECT(g->ab_window), "delete_event",
											G_CALLBACK(gputty_about_closex), g);
									g->ab_close = gtk_button_new_with_label("Close");
									g_signal_connect(G_OBJECT(g->ab_close), "clicked",
											G_CALLBACK(gputty_about_close), g);
									gtk_container_add(GTK_CONTAINER(g->ab_window), g->ab_close);
								}
								gtk_widget_show_all(g->ab_window);
							}
							static void gputty_about_close(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g;
								g = data;
								gtk_widget_hide(g->ab_window);
							}
							static void gputty_about_closex(GtkWidget * widget, GdkEvent * event, gpointer data)
							{
								gputty_about_close(widget, data);
							}
							static void gputty_connect(GtkWidget * widget, gpointer data)
							{
								GPuTTY * g = data;
								pid_t pid;
								char * xterm;
								char const * hostname;
								char port[6];
								char * useropt = NULL;
								char const * username = NULL;
								xterm = "xterm";
								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; /* FIXME warn user */
								if((pid = fork()) == -1)
								{
									warn("fork");
									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);
									err(2, xterm);
								}
							}
							static void gputty_load(GtkWidget * widget, gpointer data)
							{
								/* FIXME */
								GPuTTY * g;
								g = data;
							}
							static void gputty_quit(GtkWidget * widget, gpointer data)
							{
								gputty_delete(data);
								gtk_main_quit();
							}
							static void gputty_quitx(GtkWidget * widget, GdkEvent * event, gpointer data)
							{
								gputty_quit(widget, data);
							}
							static void gputty_save(GtkWidget * widget, gpointer data)
							{
								/* FIXME
								 * - remember saved sessions
								 * - when 2 sessions have the same name, update it */
								GPuTTY * g;
								char * session;
								char const * hostname;
								int port;
								char const * username;
								g = data;
								session = strdup(gtk_entry_get_text(GTK_ENTRY(g->sn_esessions)));
								if(session == NULL) /* FIXME should it be free'd some time? */
									return;
								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));
								gtk_clist_append(GTK_CLIST(g->sn_clsessions), &session);
								free(session);
							}
							/* main */
							int main(int argc, char * argv[])
							{
								GPuTTY * gputty;
								gtk_init(&argc, &argv);
								if((gputty = gputty_new()) == NULL)
									return 1;
								gtk_main();
								if(gputty->config == NULL)
									fprintf(stderr, "gputty: not saving configuration\n");
								else if(config_save(gputty->config, ".gputty") != 0)
									fprintf(stderr, "gputty: an error occured while saving configuration\n");
								return 0;
							}
							