X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2Fbackend%2FECMA48Backend.java;h=a6ae361c791d975c152587aaaebbf62a11e85d14;hb=7b5261bc5b641e0769902f014e3b21f61050b02b;hp=835dfaa7e705762cddec7f5cd536fbda463acfd0;hpb=05dbb28d6e8613216f43e8d0fae487c1d9c2fcd3;p=fanfix.git diff --git a/src/jexer/backend/ECMA48Backend.java b/src/jexer/backend/ECMA48Backend.java index 835dfaa..a6ae361 100644 --- a/src/jexer/backend/ECMA48Backend.java +++ b/src/jexer/backend/ECMA48Backend.java @@ -1,16 +1,11 @@ /** * Jexer - Java Text User Interface * - * Version: $Id$ - * - * Author: Kevin Lamonte, kevin.lamonte@gmail.com - * * License: LGPLv3 or later * - * Copyright: 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. + * 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. * * Copyright (C) 2015 Kevin Lamonte * @@ -29,6 +24,9 @@ * http://www.gnu.org/licenses/, or write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA + * + * @author Kevin Lamonte [kevin.lamonte@gmail.com] + * @version 1 */ package jexer.backend; @@ -62,48 +60,78 @@ public class ECMA48Backend extends Backend { * @param output an OutputStream connected to the remote user, or null * for System.out. output is always converted to a Writer with UTF-8 * encoding. + * @throws UnsupportedEncodingException if an exception is thrown when + * creating the InputStreamReader */ - public ECMA48Backend(InputStream input, OutputStream output) throws UnsupportedEncodingException { + public ECMA48Backend(final InputStream input, + final OutputStream output) throws UnsupportedEncodingException { + + // Create a terminal and explicitly set stdin into raw mode + terminal = new ECMA48Terminal(input, output); - // Create a terminal and explicitly set stdin into raw mode - terminal = new ECMA48Terminal(input, output); + // Keep the terminal's sessionInfo so that TApplication can see it + sessionInfo = terminal.getSessionInfo(); - // Create a screen - screen = new ECMA48Screen(terminal); + // Create a screen + screen = new ECMA48Screen(terminal); - // Clear the screen - terminal.getOutput().write(terminal.clearAll()); - terminal.flush(); + // Clear the screen + terminal.getOutput().write(terminal.clearAll()); + terminal.flush(); } /** * Sync the logical screen to the physical device. */ @Override - public void flushScreen() { - screen.flushPhysical(); + public final void flushScreen() { + screen.flushPhysical(); } /** * 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. - * @return events received, or an empty list if the timeout was reached - * first */ @Override - public List getEvents(int timeout) { - return terminal.getEvents(); + 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()"); + terminal.getEvents(queue); + } } /** - * Subclasses must provide an implementation that closes sockets, - * restores console, etc. + * Close the I/O, restore the console, etc. */ @Override - public void shutdown() { - terminal.shutdown(); + public final void shutdown() { + terminal.shutdown(); } }