X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2Fbackend%2FECMA48Backend.java;h=857985562b8fcc3de75bf235c3db4871fa3d5d05;hb=55d2b2c2b29ce51f4f910448a115073371deeae8;hp=a6ae361c791d975c152587aaaebbf62a11e85d14;hpb=7b5261bc5b641e0769902f014e3b21f61050b02b;p=fanfix.git diff --git a/src/jexer/backend/ECMA48Backend.java b/src/jexer/backend/ECMA48Backend.java index a6ae361..8579855 100644 --- a/src/jexer/backend/ECMA48Backend.java +++ b/src/jexer/backend/ECMA48Backend.java @@ -1,29 +1,27 @@ -/** +/* * Jexer - Java Text User Interface * - * License: LGPLv3 or later - * - * This module is licensed under the GNU Lesser General Public License - * Version 3. Please see the file "COPYING" in this directory for more - * information about the GNU Lesser General Public License Version 3. + * The MIT License (MIT) * - * Copyright (C) 2015 Kevin Lamonte + * Copyright (C) 2016 Kevin Lamonte * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public License - * as published by the Free Software Foundation; either version 3 of - * the License, or (at your option) any later version. + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: * - * 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. + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. * - * You should have received a copy of the GNU Lesser General Public - * License along with this program; if not, see - * http://www.gnu.org/licenses/, or write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. * * @author Kevin Lamonte [kevin.lamonte@gmail.com] * @version 1 @@ -32,6 +30,8 @@ package jexer.backend; import java.io.InputStream; import java.io.OutputStream; +import java.io.PrintWriter; +import java.io.Reader; import java.io.UnsupportedEncodingException; import java.util.List; @@ -43,7 +43,7 @@ import jexer.io.ECMA48Terminal; * This class uses an xterm/ANSI X3.64/ECMA-48 type terminal to provide a * screen, keyboard, and mouse to TApplication. */ -public class ECMA48Backend extends Backend { +public final class ECMA48Backend extends Backend { /** * Input events are processed by this Terminal. @@ -53,6 +53,8 @@ public class ECMA48Backend extends Backend { /** * Public constructor. * + * @param listener the object this backend needs to wake up when new + * input comes in * @param input an InputStream connected to the remote user, or null for * System.in. If System.in is used, then on non-Windows systems it will * be put in raw mode; shutdown() will (blindly!) put System.in in cooked @@ -63,11 +65,11 @@ public class ECMA48Backend extends Backend { * @throws UnsupportedEncodingException if an exception is thrown when * creating the InputStreamReader */ - public ECMA48Backend(final InputStream input, + public ECMA48Backend(final Object listener, final InputStream input, final OutputStream output) throws UnsupportedEncodingException { // Create a terminal and explicitly set stdin into raw mode - terminal = new ECMA48Terminal(input, output); + terminal = new ECMA48Terminal(listener, input, output); // Keep the terminal's sessionInfo so that TApplication can see it sessionInfo = terminal.getSessionInfo(); @@ -80,11 +82,61 @@ public class ECMA48Backend extends Backend { terminal.flush(); } + /** + * Public constructor. + * + * @param listener the object this backend needs to wake up when new + * input comes in + * @param input the InputStream underlying 'reader'. Its available() + * method is used to determine if reader.read() will block or not. + * @param reader a Reader connected to the remote user. + * @param writer a PrintWriter connected to the remote user. + * @param setRawMode if true, set System.in into raw mode with stty. + * This should in general not be used. It is here solely for Demo3, + * which uses System.in. + * @throws IllegalArgumentException if input, reader, or writer are null. + */ + public ECMA48Backend(final Object listener, final InputStream input, + final Reader reader, final PrintWriter writer, + final boolean setRawMode) { + + // Create a terminal and explicitly set stdin into raw mode + terminal = new ECMA48Terminal(listener, input, reader, writer, + setRawMode); + + // Keep the terminal's sessionInfo so that TApplication can see it + sessionInfo = terminal.getSessionInfo(); + + // Create a screen + screen = new ECMA48Screen(terminal); + + // Clear the screen + terminal.getOutput().write(terminal.clearAll()); + terminal.flush(); + } + + /** + * Public constructor. + * + * @param listener the object this backend needs to wake up when new + * input comes in + * @param input the InputStream underlying 'reader'. Its available() + * method is used to determine if reader.read() will block or not. + * @param reader a Reader connected to the remote user. + * @param writer a PrintWriter connected to the remote user. + * @throws IllegalArgumentException if input, reader, or writer are null. + */ + public ECMA48Backend(final Object listener, final InputStream input, + final Reader reader, final PrintWriter writer) { + + this(listener, input, reader, writer, false); + } + /** * Sync the logical screen to the physical device. */ @Override - public final void flushScreen() { + public void flushScreen() { screen.flushPhysical(); } @@ -92,36 +144,10 @@ public class ECMA48Backend extends Backend { * Get keyboard, mouse, and screen resize events. * * @param queue list to append new events to - * @param timeout maximum amount of time (in millis) to wait for an - * event. 0 means to return immediately, i.e. perform a poll. */ @Override - public void getEvents(final List queue, final int timeout) { - if (timeout > 0) { - // Try to sleep, let the terminal's input thread wake me up if - // something came in. - synchronized (terminal) { - try { - terminal.wait(timeout); - if (terminal.hasEvents()) { - // System.err.println("getEvents()"); - terminal.getEvents(queue); - } else { - // If I got here, then I timed out. Call - // terminal.getIdleEvents() to pick up stragglers - // like bare resize. - // System.err.println("getIdleEvents()"); - terminal.getIdleEvents(queue); - } - } catch (InterruptedException e) { - // Spurious interrupt, pretend it was like a timeout. - // System.err.println("[interrupt] getEvents()"); - terminal.getIdleEvents(queue); - } - } - } else { - // Asking for a poll, go get it. - // System.err.println("[polled] getEvents()"); + public void getEvents(final List queue) { + if (terminal.hasEvents()) { terminal.getEvents(queue); } } @@ -130,8 +156,18 @@ public class ECMA48Backend extends Backend { * Close the I/O, restore the console, etc. */ @Override - public final void shutdown() { + public void shutdown() { terminal.shutdown(); } + /** + * Set the window title. + * + * @param title the new title + */ + @Override + public void setTitle(final String title) { + ((ECMA48Screen) screen).setTitle(title); + } + }