X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2Fbackend%2FGenericBackend.java;fp=src%2Fjexer%2Fbackend%2FGenericBackend.java;h=0000000000000000000000000000000000000000;hb=36b0745bab5665306391440a531e1ee1c0625445;hp=ede3c0bff4365743f1d8c38d3c4b130f1cdc01f0;hpb=686d4da2d2ecc203d5f8b524225a4327777825be;p=fanfix.git diff --git a/src/jexer/backend/GenericBackend.java b/src/jexer/backend/GenericBackend.java deleted file mode 100644 index ede3c0b..0000000 --- a/src/jexer/backend/GenericBackend.java +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Jexer - Java Text User Interface - * - * The MIT License (MIT) - * - * Copyright (C) 2019 Kevin Lamonte - * - * 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: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * 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 - */ -package jexer.backend; - -import java.util.List; - -import jexer.event.TInputEvent; -import jexer.event.TCommandEvent; -import static jexer.TCommand.*; - -/** - * This abstract class provides a screen, keyboard, and mouse to - * TApplication. It also exposes session information as gleaned from lower - * levels of the communication stack. - */ -public abstract class GenericBackend implements Backend { - - // ------------------------------------------------------------------------ - // Variables -------------------------------------------------------------- - // ------------------------------------------------------------------------ - - /** - * The session information. - */ - protected SessionInfo sessionInfo; - - /** - * The screen to draw on. - */ - protected Screen screen; - - /** - * Input events are processed by this Terminal. - */ - protected TerminalReader terminal; - - /** - * By default, GenericBackend adds a cmAbort after it sees - * cmBackendDisconnect, so that TApplication will exit when the user - * closes the Swing window or disconnects the ECMA48 streams. But - * MultiBackend wraps multiple Backends, and needs to decide when to send - * cmAbort differently. Setting this to false is how it manages that. - * Note package private access. - */ - boolean abortOnDisconnect = true; - - // ------------------------------------------------------------------------ - // Constructors ----------------------------------------------------------- - // ------------------------------------------------------------------------ - - // ------------------------------------------------------------------------ - // Backend ---------------------------------------------------------------- - // ------------------------------------------------------------------------ - - /** - * Getter for sessionInfo. - * - * @return the SessionInfo - */ - public final SessionInfo getSessionInfo() { - return sessionInfo; - } - - /** - * Getter for screen. - * - * @return the Screen - */ - public final Screen getScreen() { - return screen; - } - - /** - * Sync the logical screen to the physical device. - */ - public void flushScreen() { - screen.flushPhysical(); - } - - /** - * Check if there are events in the queue. - * - * @return if true, getEvents() has something to return to the application - */ - public boolean hasEvents() { - return terminal.hasEvents(); - } - - /** - * Get keyboard, mouse, and screen resize events. - * - * @param queue list to append new events to - */ - public void getEvents(final List queue) { - if (terminal.hasEvents()) { - terminal.getEvents(queue); - - // This default backend assumes a single user, and if that user - // becomes disconnected we should terminate the application. - if ((queue.size() > 0) && (abortOnDisconnect == true)) { - TInputEvent event = queue.get(queue.size() - 1); - if (event instanceof TCommandEvent) { - TCommandEvent command = (TCommandEvent) event; - if (command.equals(cmBackendDisconnect)) { - queue.add(new TCommandEvent(cmAbort)); - } - } - } - } - } - - /** - * Close the I/O, restore the console, etc. - */ - public void shutdown() { - terminal.closeTerminal(); - } - - /** - * Set the window title. - * - * @param title the new title - */ - public void setTitle(final String title) { - screen.setTitle(title); - } - - /** - * Set listener to a different Object. - * - * @param listener the new listening object that run() wakes up on new - * input - */ - public void setListener(final Object listener) { - terminal.setListener(listener); - } - - /** - * Reload backend options from System properties. - */ - public void reloadOptions() { - terminal.reloadOptions(); - } - -}