+++ /dev/null
-/*
- * This file is part of lanterna (http://code.google.com/p/lanterna/).
- *
- * lanterna 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.
- *
- * 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 Lesser General Public License for more details.
- *
- * 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/>.
- *
- * Copyright (C) 2010-2015 Martin
- */
-package com.googlecode.lanterna.terminal.ansi;
-
-import com.googlecode.lanterna.SGR;
-import com.googlecode.lanterna.input.*;
-import com.googlecode.lanterna.TerminalSize;
-import com.googlecode.lanterna.TextColor;
-import com.googlecode.lanterna.terminal.ExtendedTerminal;
-import com.googlecode.lanterna.terminal.MouseCaptureMode;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.nio.charset.Charset;
-
-/**
- * Class containing graphics code for ANSI compliant text terminals and terminal emulators. All the methods inside of
- * this class uses ANSI escape codes written to the underlying output stream.
- *
- * @see <a href="http://en.wikipedia.org/wiki/ANSI_escape_code">Wikipedia</a>
- * @author Martin
- */
-public abstract class ANSITerminal extends StreamBasedTerminal implements ExtendedTerminal {
-
- private MouseCaptureMode mouseCaptureMode;
- private boolean inPrivateMode;
-
- @SuppressWarnings("WeakerAccess")
- protected ANSITerminal(InputStream terminalInput, OutputStream terminalOutput, Charset terminalCharset) {
- super(terminalInput, terminalOutput, terminalCharset);
- this.inPrivateMode = false;
- this.mouseCaptureMode = null;
- getInputDecoder().addProfile(getDefaultKeyDecodingProfile());
- }
-
- /**
- * This method can be overridden in a custom terminal implementation to change the default key decoders.
- * @return The KeyDecodingProfile used by the terminal when translating character sequences to keystrokes
- */
- protected KeyDecodingProfile getDefaultKeyDecodingProfile() {
- return new DefaultKeyDecodingProfile();
- }
-
- private void writeCSISequenceToTerminal(byte... tail) throws IOException {
- byte[] completeSequence = new byte[tail.length + 2];
- completeSequence[0] = (byte)0x1b;
- completeSequence[1] = (byte)'[';
- System.arraycopy(tail, 0, completeSequence, 2, tail.length);
- writeToTerminal(completeSequence);
- }
-
- private void writeSGRSequenceToTerminal(byte... sgrParameters) throws IOException {
- byte[] completeSequence = new byte[sgrParameters.length + 3];
- completeSequence[0] = (byte)0x1b;
- completeSequence[1] = (byte)'[';
- completeSequence[completeSequence.length - 1] = (byte)'m';
- System.arraycopy(sgrParameters, 0, completeSequence, 2, sgrParameters.length);
- writeToTerminal(completeSequence);
- }
-
- private void writeOSCSequenceToTerminal(byte... tail) throws IOException {
- byte[] completeSequence = new byte[tail.length + 2];
- completeSequence[0] = (byte)0x1b;
- completeSequence[1] = (byte)']';
- System.arraycopy(tail, 0, completeSequence, 2, tail.length);
- writeToTerminal(completeSequence);
- }
-
- @Override
- public TerminalSize getTerminalSize() throws IOException {
- saveCursorPosition();
- setCursorPosition(5000, 5000);
- reportPosition();
- restoreCursorPosition();
- return waitForTerminalSizeReport();
- }
-
- @Override
- public void setTerminalSize(int columns, int rows) throws IOException {
- writeCSISequenceToTerminal(("8;" + rows + ";" + columns + "t").getBytes());
-
- //We can't trust that the previous call was honoured by the terminal so force a re-query here, which will
- //trigger a resize event if one actually took place
- getTerminalSize();
- }
-
- @Override
- public void setTitle(String title) throws IOException {
- //The bell character is our 'null terminator', make sure there's none in the title
- title = title.replace("\007", "");
- writeOSCSequenceToTerminal(("2;" + title + "\007").getBytes());
- }
-
- @Override
- public void setForegroundColor(TextColor color) throws IOException {
- writeSGRSequenceToTerminal(color.getForegroundSGRSequence());
- }
-
- @Override
- public void setBackgroundColor(TextColor color) throws IOException {
- writeSGRSequenceToTerminal(color.getBackgroundSGRSequence());
- }
-
- @Override
- public void enableSGR(SGR sgr) throws IOException {
- switch(sgr) {
- case BLINK:
- writeCSISequenceToTerminal((byte) '5', (byte) 'm');
- break;
- case BOLD:
- writeCSISequenceToTerminal((byte) '1', (byte) 'm');
- break;
- case BORDERED:
- writeCSISequenceToTerminal((byte) '5', (byte) '1', (byte) 'm');
- break;
- case CIRCLED:
- writeCSISequenceToTerminal((byte) '5', (byte) '2', (byte) 'm');
- break;
- case CROSSED_OUT:
- writeCSISequenceToTerminal((byte) '9', (byte) 'm');
- break;
- case FRAKTUR:
- writeCSISequenceToTerminal((byte) '2', (byte) '0', (byte) 'm');
- break;
- case REVERSE:
- writeCSISequenceToTerminal((byte) '7', (byte) 'm');
- break;
- case UNDERLINE:
- writeCSISequenceToTerminal((byte) '4', (byte) 'm');
- break;
- }
- }
-
- @Override
- public void disableSGR(SGR sgr) throws IOException {
- switch(sgr) {
- case BLINK:
- writeCSISequenceToTerminal((byte) '2', (byte) '5', (byte) 'm');
- break;
- case BOLD:
- writeCSISequenceToTerminal((byte) '2', (byte) '2', (byte) 'm');
- break;
- case BORDERED:
- writeCSISequenceToTerminal((byte) '5', (byte) '4', (byte) 'm');
- break;
- case CIRCLED:
- writeCSISequenceToTerminal((byte) '5', (byte) '4', (byte) 'm');
- break;
- case CROSSED_OUT:
- writeCSISequenceToTerminal((byte) '2', (byte) '9', (byte) 'm');
- break;
- case FRAKTUR:
- writeCSISequenceToTerminal((byte) '2', (byte) '3', (byte) 'm');
- break;
- case REVERSE:
- writeCSISequenceToTerminal((byte) '2', (byte) '7', (byte) 'm');
- break;
- case UNDERLINE:
- writeCSISequenceToTerminal((byte) '2', (byte) '4', (byte) 'm');
- break;
- }
- }
-
- @Override
- public void resetColorAndSGR() throws IOException {
- writeCSISequenceToTerminal((byte) '0', (byte) 'm');
- }
-
- @Override
- public void clearScreen() throws IOException {
- writeCSISequenceToTerminal((byte) '2', (byte) 'J');
- }
-
- @Override
- public void enterPrivateMode() throws IOException {
- if(inPrivateMode) {
- throw new IllegalStateException("Cannot call enterPrivateMode() when already in private mode");
- }
- writeCSISequenceToTerminal((byte) '?', (byte) '1', (byte) '0', (byte) '4', (byte) '9', (byte) 'h');
- inPrivateMode = true;
- }
-
- @Override
- public void exitPrivateMode() throws IOException {
- if(!inPrivateMode) {
- throw new IllegalStateException("Cannot call exitPrivateMode() when not in private mode");
- }
- resetColorAndSGR();
- setCursorVisible(true);
- writeCSISequenceToTerminal((byte) '?', (byte) '1', (byte) '0', (byte) '4', (byte) '9', (byte) 'l');
- inPrivateMode = false;
- }
-
- @Override
- public void setCursorPosition(int x, int y) throws IOException {
- writeCSISequenceToTerminal(((y + 1) + ";" + (x + 1) + "H").getBytes());
- }
-
- @Override
- public void setCursorVisible(boolean visible) throws IOException {
- writeCSISequenceToTerminal(("?25" + (visible ? "h" : "l")).getBytes());
- }
-
- @Override
- public KeyStroke readInput() throws IOException {
- KeyStroke keyStroke;
- do {
- keyStroke = filterMouseEvents(super.readInput());
- } while(keyStroke == null);
- return keyStroke;
- }
-
- @Override
- public KeyStroke pollInput() throws IOException {
- return filterMouseEvents(super.pollInput());
- }
-
- private KeyStroke filterMouseEvents(KeyStroke keyStroke) {
- //Remove bad input events from terminals that are not following the xterm protocol properly
- if(keyStroke == null || keyStroke.getKeyType() != KeyType.MouseEvent) {
- return keyStroke;
- }
-
- MouseAction mouseAction = (MouseAction)keyStroke;
- switch(mouseAction.getActionType()) {
- case CLICK_RELEASE:
- if(mouseCaptureMode == MouseCaptureMode.CLICK) {
- return null;
- }
- break;
- case DRAG:
- if(mouseCaptureMode == MouseCaptureMode.CLICK ||
- mouseCaptureMode == MouseCaptureMode.CLICK_RELEASE) {
- return null;
- }
- break;
- case MOVE:
- if(mouseCaptureMode == MouseCaptureMode.CLICK ||
- mouseCaptureMode == MouseCaptureMode.CLICK_RELEASE ||
- mouseCaptureMode == MouseCaptureMode.CLICK_RELEASE_DRAG) {
- return null;
- }
- break;
- default:
- }
- return mouseAction;
- }
-
- @Override
- public void pushTitle() throws IOException {
- throw new UnsupportedOperationException("Not implemented yet");
- }
-
- @Override
- public void popTitle() throws IOException {
- throw new UnsupportedOperationException("Not implemented yet");
- }
-
- @Override
- public void iconify() throws IOException {
- writeCSISequenceToTerminal((byte)'2', (byte)'t');
- }
-
- @Override
- public void deiconify() throws IOException {
- writeCSISequenceToTerminal((byte)'1', (byte)'t');
- }
-
- @Override
- public void maximize() throws IOException {
- writeCSISequenceToTerminal((byte)'9', (byte)';', (byte)'1', (byte)'t');
- }
-
- @Override
- public void unmaximize() throws IOException {
- writeCSISequenceToTerminal((byte)'9', (byte)';', (byte)'0', (byte)'t');
- }
-
- @Override
- public void setMouseCaptureMode(MouseCaptureMode mouseCaptureMode) throws IOException {
- if(this.mouseCaptureMode != null) {
- switch(this.mouseCaptureMode) {
- case CLICK:
- writeCSISequenceToTerminal((byte)'?', (byte)'9', (byte)'l');
- break;
- case CLICK_RELEASE:
- writeCSISequenceToTerminal((byte)'?', (byte)'1', (byte)'0', (byte)'0', (byte)'0', (byte)'l');
- break;
- case CLICK_RELEASE_DRAG:
- writeCSISequenceToTerminal((byte)'?', (byte)'1', (byte)'0', (byte)'0', (byte)'2', (byte)'l');
- break;
- case CLICK_RELEASE_DRAG_MOVE:
- writeCSISequenceToTerminal((byte)'?', (byte)'1', (byte)'0', (byte)'0', (byte)'3', (byte)'l');
- break;
- }
- if(getCharset().equals(Charset.forName("UTF-8"))) {
- writeCSISequenceToTerminal((byte)'?', (byte)'1', (byte)'0', (byte)'0', (byte)'5', (byte)'l');
- }
- }
- this.mouseCaptureMode = mouseCaptureMode;
- if(this.mouseCaptureMode != null) {
- switch(this.mouseCaptureMode) {
- case CLICK:
- writeCSISequenceToTerminal((byte)'?', (byte)'9', (byte)'h');
- break;
- case CLICK_RELEASE:
- writeCSISequenceToTerminal((byte)'?', (byte)'1', (byte)'0', (byte)'0', (byte)'0', (byte)'h');
- break;
- case CLICK_RELEASE_DRAG:
- writeCSISequenceToTerminal((byte)'?', (byte)'1', (byte)'0', (byte)'0', (byte)'2', (byte)'h');
- break;
- case CLICK_RELEASE_DRAG_MOVE:
- writeCSISequenceToTerminal((byte)'?', (byte)'1', (byte)'0', (byte)'0', (byte)'3', (byte)'h');
- break;
- }
- if(getCharset().equals(Charset.forName("UTF-8"))) {
- writeCSISequenceToTerminal((byte)'?', (byte)'1', (byte)'0', (byte)'0', (byte)'5', (byte)'h');
- }
- }
- }
-
- /**
- * Method to test if the terminal (as far as the library knows) is in private mode.
- *
- * @return True if there has been a call to enterPrivateMode() but not yet exitPrivateMode()
- */
- boolean isInPrivateMode() {
- return inPrivateMode;
- }
-
- void reportPosition() throws IOException {
- writeCSISequenceToTerminal("6n".getBytes());
- }
-
- void restoreCursorPosition() throws IOException {
- writeCSISequenceToTerminal("u".getBytes());
- }
-
- void saveCursorPosition() throws IOException {
- writeCSISequenceToTerminal("s".getBytes());
- }
-
- @Override
- public void scrollLines(int firstLine, int lastLine, int distance) throws IOException {
- final String CSI = "\033[";
-
- // some sanity checks:
- if (distance == 0) { return; }
- if (firstLine < 0) { firstLine = 0; }
- if (lastLine < firstLine) { return; }
- StringBuilder sb = new StringBuilder();
-
- // define range:
- sb.append(CSI).append(firstLine+1)
- .append(';').append(lastLine+1).append('r');
-
- // place cursor on line to scroll away from:
- int target = distance > 0 ? lastLine : firstLine;
- sb.append(CSI).append(target+1).append(";1H");
-
- // do scroll:
- if (distance > 0) {
- int num = Math.min( distance, lastLine - firstLine + 1);
- for (int i = 0; i < num; i++) { sb.append('\n'); }
- } else { // distance < 0
- int num = Math.min( -distance, lastLine - firstLine + 1);
- for (int i = 0; i < num; i++) { sb.append("\033M"); }
- }
-
- // reset range:
- sb.append(CSI).append('r');
-
- // off we go!
- writeToTerminal(sb.toString().getBytes());
- }
-}
git://git.nikiroo.be / jvcard.git / blobdiff