+++ /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.swing;
-
-import com.googlecode.lanterna.SGR;
-import com.googlecode.lanterna.graphics.TextGraphics;
-import com.googlecode.lanterna.input.KeyStroke;
-import com.googlecode.lanterna.terminal.IOSafeTerminal;
-import com.googlecode.lanterna.terminal.ResizeListener;
-import com.googlecode.lanterna.TerminalSize;
-import com.googlecode.lanterna.TextColor;
-import java.awt.BorderLayout;
-import java.awt.event.AdjustmentEvent;
-import java.awt.event.AdjustmentListener;
-import java.io.IOException;
-import java.util.concurrent.TimeUnit;
-import javax.swing.JComponent;
-import javax.swing.JScrollBar;
-
-/**
- * This is a Swing JComponent that carries a {@link SwingTerminal} with a scrollbar, effectively implementing a
- * pseudo-terminal with scrollback history. You can choose the same parameters are for {@link SwingTerminal}, they are
- * forwarded, this class mostly deals with linking the {@link SwingTerminal} with the scrollbar and having them update
- * each other.
- * @author Martin
- */
-@SuppressWarnings("serial")
-public class ScrollingSwingTerminal extends JComponent implements IOSafeTerminal {
-
- private final SwingTerminal swingTerminal;
- private final JScrollBar scrollBar;
-
- /**
- * Creates a new {@code ScrollingSwingTerminal} with all default options
- */
- public ScrollingSwingTerminal() {
- this(TerminalEmulatorDeviceConfiguration.getDefault(),
- SwingTerminalFontConfiguration.getDefault(),
- TerminalEmulatorColorConfiguration.getDefault());
- }
-
- /**
- * Creates a new {@code ScrollingSwingTerminal} with customizable settings.
- * @param deviceConfiguration How to configure the terminal virtual device
- * @param fontConfiguration What kind of fonts to use
- * @param colorConfiguration Which color schema to use for ANSI colors
- */
- @SuppressWarnings({"SameParameterValue", "WeakerAccess"})
- public ScrollingSwingTerminal(
- TerminalEmulatorDeviceConfiguration deviceConfiguration,
- SwingTerminalFontConfiguration fontConfiguration,
- TerminalEmulatorColorConfiguration colorConfiguration) {
-
- this.scrollBar = new JScrollBar(JScrollBar.VERTICAL);
- this.swingTerminal = new SwingTerminal(
- deviceConfiguration,
- fontConfiguration,
- colorConfiguration,
- new ScrollController());
-
- setLayout(new BorderLayout());
- add(swingTerminal, BorderLayout.CENTER);
- add(scrollBar, BorderLayout.EAST);
- this.scrollBar.setMinimum(0);
- this.scrollBar.setMaximum(20);
- this.scrollBar.setValue(0);
- this.scrollBar.setVisibleAmount(20);
- this.scrollBar.addAdjustmentListener(new ScrollbarListener());
- }
-
- private class ScrollController implements TerminalScrollController {
- @Override
- public void updateModel(int totalSize, int screenSize) {
- if(scrollBar.getMaximum() != totalSize) {
- int lastMaximum = scrollBar.getMaximum();
- scrollBar.setMaximum(totalSize);
- if(lastMaximum < totalSize &&
- lastMaximum - scrollBar.getVisibleAmount() - scrollBar.getValue() == 0) {
- int adjustedValue = scrollBar.getValue() + (totalSize - lastMaximum);
- scrollBar.setValue(adjustedValue);
- }
- }
- if(scrollBar.getVisibleAmount() != screenSize) {
- if(scrollBar.getValue() + screenSize > scrollBar.getMaximum()) {
- scrollBar.setValue(scrollBar.getMaximum() - screenSize);
- }
- scrollBar.setVisibleAmount(screenSize);
- }
- }
-
- @Override
- public int getScrollingOffset() {
- return scrollBar.getMaximum() - scrollBar.getVisibleAmount() - scrollBar.getValue();
- }
- }
-
- private class ScrollbarListener implements AdjustmentListener {
- @Override
- public synchronized void adjustmentValueChanged(AdjustmentEvent e) {
- swingTerminal.repaint();
- }
- }
-
- ///////////
- // Delegate all Terminal interface implementations to SwingTerminal
- ///////////
- @Override
- public KeyStroke pollInput() {
- return swingTerminal.pollInput();
- }
-
- @Override
- public KeyStroke readInput() throws IOException {
- return swingTerminal.readInput();
- }
-
- @Override
- public void enterPrivateMode() {
- swingTerminal.enterPrivateMode();
- }
-
- @Override
- public void exitPrivateMode() {
- swingTerminal.exitPrivateMode();
- }
-
- @Override
- public void clearScreen() {
- swingTerminal.clearScreen();
- }
-
- @Override
- public void setCursorPosition(int x, int y) {
- swingTerminal.setCursorPosition(x, y);
- }
-
- @Override
- public void setCursorVisible(boolean visible) {
- swingTerminal.setCursorVisible(visible);
- }
-
- @Override
- public void putCharacter(char c) {
- swingTerminal.putCharacter(c);
- }
-
- @Override
- public TextGraphics newTextGraphics() throws IOException {
- return swingTerminal.newTextGraphics();
- }
-
- @Override
- public void enableSGR(SGR sgr) {
- swingTerminal.enableSGR(sgr);
- }
-
- @Override
- public void disableSGR(SGR sgr) {
- swingTerminal.disableSGR(sgr);
- }
-
- @Override
- public void resetColorAndSGR() {
- swingTerminal.resetColorAndSGR();
- }
-
- @Override
- public void setForegroundColor(TextColor color) {
- swingTerminal.setForegroundColor(color);
- }
-
- @Override
- public void setBackgroundColor(TextColor color) {
- swingTerminal.setBackgroundColor(color);
- }
-
- @Override
- public TerminalSize getTerminalSize() {
- return swingTerminal.getTerminalSize();
- }
-
- @Override
- public byte[] enquireTerminal(int timeout, TimeUnit timeoutUnit) {
- return swingTerminal.enquireTerminal(timeout, timeoutUnit);
- }
-
- @Override
- public void flush() {
- swingTerminal.flush();
- }
-
- @Override
- public void addResizeListener(ResizeListener listener) {
- swingTerminal.addResizeListener(listener);
- }
-
- @Override
- public void removeResizeListener(ResizeListener listener) {
- swingTerminal.removeResizeListener(listener);
- }
-}
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