chat_everywhere 聊天程序

/* Chat * Copyright (C) 1998-2004 Alexis de Bernis <alexis@bernis.org> * * 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. * */ import java.awt.*; import java.awt.event.*; import java.io.*; import java.net.*; import java.util.*; import java.applet.*; import org.chateverywhere.*; public class Chat extends Applet implements ActionListener, FocusListener, ItemListener, KeyListener { private static String version = "Swing Applet / 1.0.0"; private TextArea main_text; private TextField user_text, user_nick; private Button cleartext, go_login; private Label error_message, usernum_lbl, user_prompt; private java.awt.List user_list; private Socket com_sock; private InetAddress server; private String nick; private Hashtable users; private ChatComThread com_thread; private Font fnt, ui_fnt; private Choice usr_fontsize, usr_fontname; private Label l_font; private PopupMenu usr_popup; private Hashtable pmsg_windows; private boolean login_completed = false; private Locale user_locale; private InputStack input_stack; private ResourceBundle captions; private AudioClip bip_sound; private Button option_menu_trigger; private PopupMenu option_menu; private CheckboxMenuItem do_notify_connection, do_auto_scrolling; private CheckboxMenuItem do_bip_on_new_line, do_bip_as_sound_file; private boolean tab_pressed = false; /***************************************************** * * * Applet initialisation * * * *****************************************************/ public void start() { System.out.println("Starting ChatEverywhere, build 200402110945"); // New instanciations pmsg_windows = new Hashtable(); input_stack = new InputStack(); // Various initialisations check_locale(); set_applet_main_colors(); set_applet_font(); draw_splash_screen(); initialize_main_components(); draw_login_window(); // Check if the nick has been given as a parameter if(getParameter("Nick") != null) { user_nick.setText(getParameter("Nick")); make_changements(getParameter("Nick")); } } /********************** Locales **********************/ private void check_locale() { if(getParameter("Language") != null && getParameter("Country") != null) user_locale = new Locale(getParameter("Language"), getParameter("Country")); else user_locale = Locale.getDefault(); // System.out.println("System locale is " + Locale.getDefault()); // System.out.println("User locale is " + user_locale); captions = ResourceBundle.getBundle("org.chateverywhere.resources.Messages", user_locale); } /******* Applet foreground and background color ******/ private void set_applet_main_colors() { // Check for a background color if(getParameter("BgColor") != null) { Color bg_color = Color.decode(getParameter("BgColor")); if(bg_color != null) setBackground(bg_color); } // Check for a foreground color if(getParameter("FgColor") != null) { Color fg_color = Color.decode(getParameter("FgColor")); if(fg_color != null) setForeground(fg_color); } } /******************** Working fonts ******************/ private void set_applet_font() { String ui_fnt_name = "Arial"; String fnt_name = "Courier"; if(getParameter("UIFontName") != null) ui_fnt_name = getParameter("UIFontName"); if(getParameter("TextFontName") != null) fnt_name = getParameter("TextFontName"); ui_fnt = new Font(ui_fnt_name, Font.PLAIN, 12); fnt = new Font(fnt_name, Font.PLAIN, 12); } /***************************************************** * * * User interface * * * *****************************************************/ /************** Components initialisation ************/ private void initialize_main_components() { int i; Color a_color; main_text = new TextArea("",20,60,TextArea.SCROLLBARS_VERTICAL_ONLY); main_text.setEditable(false); main_text.setFont(fnt); main_text.setLocale(user_locale); user_text = new TextField(80); user_text.setFont(ui_fnt); user_text.setLocale(user_locale); user_text.addKeyListener(this); user_text.addFocusListener(this); usernum_lbl = new Label(captions.getString("MSG_USERS")+": ", Label.CENTER); usernum_lbl.setVisible(false); user_prompt = new Label(captions.getString("MSG_TYPE_HERE"), Label.LEFT); cleartext = new Button(captions.getString("MSG_CLEAR")); cleartext.addActionListener(this); user_list = new java.awt.List(8); user_list.setFont(ui_fnt); user_list.setLocale(user_locale); user_list.setVisible(false); user_list.addItemListener(this); usr_fontsize = new Choice(); for(i = 10; i <= 24; i++) { usr_fontsize.add(Integer.toString(i)); } usr_fontsize.setFont(ui_fnt); usr_fontsize.select("12"); usr_fontsize.addItemListener(this); usr_fontname = new Choice(); usr_fontname.add("Arial"); usr_fontname.add("Courier"); usr_fontname.setFont(ui_fnt); usr_fontname.select("Courier"); usr_fontname.addItemListener(this); l_font = new Label(captions.getString("MSG_FONT")+" : ", Label.RIGHT); l_font.setFont(ui_fnt); usr_popup = new PopupMenu(captions.getString("MSG_ACTION")); usr_popup.setFont(ui_fnt); usr_popup.add("msg"); usr_popup.add("stats"); usr_popup.add("ignore"); usr_popup.add("unignore"); usr_popup.add("kick"); usr_popup.add("ban"); usr_popup.add("unban"); usr_popup.addActionListener(this); do_auto_scrolling = new CheckboxMenuItem( captions.getString("MSG_AUTO_SCROLLING"), true); do_notify_connection = new CheckboxMenuItem( captions.getString("MSG_NOTIFY_CONNECT"), false); do_bip_on_new_line = new CheckboxMenuItem( captions.getString("MSG_BIP_ON_TEXT"), false); do_bip_as_sound_file = new CheckboxMenuItem( captions.getString("MSG_BIP_AS_SOUND_FILE"),false); option_menu = new PopupMenu(); option_menu.add(do_auto_scrolling); option_menu.add(do_bip_on_new_line); option_menu.add(do_bip_as_sound_file); option_menu.add(do_notify_connection); option_menu_trigger = new Button( // I don't want to set captions.getString("MSG_OPTIONS")); // a MenuBar for that option_menu_trigger.setFont(ui_fnt); option_menu_trigger.add(option_menu); option_menu_trigger.addActionListener(this); // Check for a users zone background color if(getParameter("UsersBgColor") != null) { a_color = Color.decode(getParameter("UsersBgColor")); if(a_color != null) user_list.setBackground(a_color); } // Check for a users zone foreground color if(getParameter("UsersFgColor") != null) { a_color = Color.decode(getParameter("UsersFgColor")); if(a_color != null) user_list.setForeground(a_color); } // Check for a main text zone background color if(getParameter("TextBgColor") != null) { a_color = Color.decode(getParameter("TextBgColor")); if(a_color != null) main_text.setBackground(a_color); } // Check for a main text zone foreground color if(getParameter("TextFgColor") != null) { a_color = Color.decode(getParameter("TextFgColor")); if(a_color != null)