com.ochafik.lang.jnaerator.studio.JNAeratorStudio Maven / Gradle / Ivy
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JNAerator (pronounce "generator") simply parses C and Objective-C headers and generates the corresponding JNA and Rococoa Java interfaces (it also has a very limited support for C++).
This lets Java programmers access native libraries transparently, with full IDE support and little to no hand-tweaking.
Users who are looking for ready-to-use libraries should check the NativeLibs4Java project instead.
The newest version!
/*
Copyright (c) 2009-2013 Olivier Chafik, All Rights Reserved
This file is part of JNAerator (http://jnaerator.googlecode.com/).
JNAerator 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.
JNAerator 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 JNAerator. If not, see results = ListenableCollections.listenableList(new ArrayList());
MemoryFileManager memoryFileManager;
static MouseWheelListener mouseWheelListener = new MouseWheelListener() {
@Override
public void mouseWheelMoved(MouseWheelEvent e) {
JEditTextArea ta = SyntaxUtils.as(e.getSource(), JEditTextArea.class);
if (ta == null) {
return;
}
int line = ta.getFirstLine();
if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
int u = e.getUnitsToScroll();
line += u > 0 ? 1 : -1;
if (line < 0) {
line = 0;
} else if (line >= ta.getLineCount()) {
line = ta.getLineCount() - 1;
}
ta.setFirstLine(line);
}
}
};
public void error(String title, String message, Throwable th) {
error(this, title, message, th);
}
public static void error(Component parent, String title, String message, Throwable th) {
StringWriter sw = new StringWriter();
th.printStackTrace(new PrintWriter(sw));
JScrollPane jsp = new JScrollPane(new JTextArea(sw.toString())) {
public Dimension getMaximumSize() {
return new Dimension(500, 500);
}
;
};
// jsp.setMaximumSize(new Dimension(500, 500));
JOptionPane.showMessageDialog(
parent,
new Object[]{
message,
jsp
},
title == null ? "JNAerator Error" : title,
-1);
}
public File getDir(String name) {
File dir = new File(getDir(), name);
dir.mkdirs();
return dir;
}
public File getDir() {
File dir = new File(System.getProperty("user.home"));
dir = new File(dir, ".jnaeratorStudio");
dir = new File(dir, "pad");
dir.mkdirs();
return dir;
}
public File getInputFile() {
return new File(getDir(), "input.h");
}
public File getOutputDir() {
return new File(getDir(), "out");
}
public File getOutputJarFile() {
String lib = libraryName.getText().trim();
if (lib.length() == 0) {
lib = "out";
}
return new File(getDir(), lib + ".jar");
}
void save() throws IOException {
WriteText.writeText(sourceArea.getText(), getInputFile());
}
static JEditTextArea textArea(TokenMarker marker) {
JEditTextArea ta = new JEditTextArea() {
private static final long serialVersionUID = 1L;
// int lastCode, lastLocation;
// char lastChar = 0;
@Override
public void processKeyEvent(KeyEvent evt) {
if (SystemUtils.isMacOSX()) {
int m = evt.getModifiers();
if ((m & InputEvent.META_MASK) != 0) {
m = (m & ~InputEvent.META_MASK) | InputEvent.CTRL_MASK;
evt = new KeyEvent(evt.getComponent(), evt.getID(), evt.getWhen(), m, evt.getKeyCode(), evt.getKeyChar(), evt.getKeyLocation());
if (evt.getID() == KeyEvent.KEY_TYPED) {
return;
}
}
}
super.processKeyEvent(evt);
}
@Override
public Dimension getMinimumSize() {
return new Dimension(100, 100);
}
};
ta.setBorder(BorderFactory.createLoweredBevelBorder());
ta.setFocusTraversalKeysEnabled(false);
ta.addMouseWheelListener(mouseWheelListener);
ta.setPreferredSize(new Dimension(200, 300));
ta.setTokenMarker(marker);
return ta;
}
//static final File FILE = new File(".jnaeratorStudio.cpp");
public void close(JFrame f) {
try {
save();
setPref("window.width", f.getWidth());
setPref("window.height", f.getHeight());
setPref("window.extendedState", f.getExtendedState());
setPref("options.libraryName", libraryName.getText());
setPref("options.direct", directCallingCb.isSelected());
setPref("options.topLevelStructs", structsAsTopLevelClassesCb.isSelected());
setPref("options.reification", reificationCb.isSelected());
setPref("options.convertBodies", convertBodiesCb.isSelected());
setPref("options.extractInterface", extractInterfaceCb.isSelected());
setPref("options.genRawBindings", genRawBindingsCb.isSelected());
//setPref("options.scalaSetters", scalaSettersCb.isSelected());
setPref("options.beautifyNames", beautifyNamesCb.isSelected());
setPref("options.forceNames", forceNamesCb.isSelected());
setPref("options.charPtrAsString", charPtrAsString.isSelected());
setPref("options.targetRuntime", ((JNAeratorConfig.Runtime) runtimeCombo.getSelectedItem()).name());
setPref("options.outputMode", ((JNAeratorConfig.OutputMode) modeCombo.getSelectedItem()).name());
setPref("options.noComments", noCommentCb.isSelected());
setPref("splitPane.orientation", sp.getOrientation());
setPref("splitPane.dividedLocation", getProportionalDividerLocation(sp));
prefNode().flush();
System.exit(0);
} catch (Throwable ex) {
error(null, "Error while closing", ex);
}
}
JTabbedPane sourceTabs = new JTabbedPane(JTabbedPane.TOP), resultTabs = new JTabbedPane(JTabbedPane.TOP);
//JButton actButton = new JButton("JNAerate !");
void switchOrientation() {
boolean hor = sp.getOrientation() == JSplitPane.HORIZONTAL_SPLIT;
int l = sp.getDividerLocation(), d = hor ? sp.getWidth() : sp.getHeight();
sp.setOrientation(hor ? JSplitPane.VERTICAL_SPLIT : JSplitPane.HORIZONTAL_SPLIT);
if (d != 0) {
sp.setDividerLocation(l / (double) d);
}
}
Action switchOrientationAction = new AbstractAction("Switch Orientation") {
@Override
public void actionPerformed(ActionEvent e) {
switchOrientation();
}
},
donateAction = new AbstractAction("Donate to the author") {
@Override
public void actionPerformed(ActionEvent e) {
try {
SystemUtils.runSystemOpenURL(new URL(JNAerator.DONATE_URL));
} catch (Exception ex) {
ex.printStackTrace();
}
}
},
generateAction = new AbstractAction("JNAerate !") {
@Override
public void actionPerformed(ActionEvent e) {
generate();
generateButton.requestFocus();
}
},
aboutJNAeratorAction = aboutLink("About JNAerator", JNAerator.ABOUT_JNAERATOR_URL),
aboutRococoaAction = aboutLink("About Rococoa", JNAerator.ABOUT_ROCOCOA_URL),
aboutBridJAction = aboutLink("About BridJ", JNAerator.ABOUT_BRIDJ_URL),
aboutJNAAction = aboutLink("About JNA", JNAerator.ABOUT_JNA_URL),
showExampleAction = new AbstractAction("Open Example") {
@Override
public void actionPerformed(ActionEvent e) {
if (sourceArea.getText().trim().length() > 0) {
if (JOptionPane.showConfirmDialog(JNAeratorStudio.this, "This is going to overwrite the contents of your source text area.\nProceed ?", "Open Example", JOptionPane.OK_CANCEL_OPTION) != JOptionPane.OK_OPTION) {
return;
}
doShowExample(true);
}
}
};
AbstractAction aboutLink(final String title, final String urlString) {
return new AbstractAction(title) {
@Override
public void actionPerformed(ActionEvent e) {
try {
URL url = new URL(urlString);
System.out.println(title + ": " + url);
SystemUtils.runSystemOpenURL(url);
} catch (Exception ex) {
error(null, "Error while opening page '" + title + "'", ex);
}
}
};
}
Object lastJNAeratedArtifact;
//JLabel statusLabel = new JLabel("", JLabel.RIGHT);
JButton showJarButton;
JPanel errorsPane = new JPanel(new BorderLayout());
JProgressBar statusBar = new JProgressBar();
private JButton generateButton;
public JNAeratorStudio() {
super(new BorderLayout());
runtimeCombo = new JComboBox(JNAeratorConfig.Runtime.values()) {
{
setToolTipText("Target runtime library");
setSelectedItem(JNAeratorConfig.Runtime.JNAerator);
}
};
modeCombo = new JComboBox(OutputMode.values()) {
{
setToolTipText("Output mode");
setSelectedItem(JNAeratorConfig.OutputMode.StandaloneJar);
}
};
resultsListCombo.setModel(new ListenableComboModel(results));
//animator.setAcceleration(.2f);
//animator.setDeceleration(.2f);
JToolBar tb = new JToolBar();
generateButton = tb.add(generateAction);
tb.add(donateAction);
tb.add(showExampleAction);
tb.add(switchOrientationAction);
tb.addSeparator();
tb.add(aboutJNAeratorAction);
tb.addSeparator();
tb.add(aboutBridJAction);
tb.add(aboutJNAAction);
tb.add(aboutRococoaAction);
//tb.setOrientation(JToolBar.VERTICAL);
add("North", tb);
sourceArea.getDocument().addDocumentListener(new SimpleDocumentAdapter() {
@Override
public void updated(DocumentEvent e) {
setReadyToJNAerate();
}
});
add("South", statusBar);
//statusBar.setBorder(BorderFactory.createLoweredBevelBorder());
JComponent sourcePane = new JPanel(new BorderLayout()), resultPane = new JPanel(new BorderLayout());
Box libBox = Box.createHorizontalBox();
showJarButton = new JButton("Show Output");
showJarButton.setEnabled(false);
showJarButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (lastJNAeratedArtifact == null || !(lastJNAeratedArtifact instanceof File)) {
return;
}
File file = (File) lastJNAeratedArtifact;
try {
if (file.isDirectory()) {
SystemUtils.runSystemOpenDirectory(file);
} else {
SystemUtils.runSystemOpenFileParent(file);
}
} catch (Exception e1) {
showJarButton.setEnabled(false);
showJarButton.setToolTipText(e1.toString());
}
}
});
statusBar.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
if (lastJNAeratedArtifact != null && lastJNAeratedArtifact instanceof Throwable) {
error(null, null, (Throwable) lastJNAeratedArtifact);
} else {
generateAction.actionPerformed(null);
}
}
});
libBox.add(new JLabel("Target Runtime"));
libBox.add(runtimeCombo);
libBox.add(new JLabel("Library Name :", JLabel.RIGHT));
libBox.add(libraryName);
Box modeBox = Box.createHorizontalBox();
modeBox.add(new JLabel("Output Mode"));
modeBox.add(modeCombo);
Box optBox = Box.createVerticalBox();
optBox.add(libBox);
optBox.add(modeBox);
JPanel optPanel = new JPanel(new GridLayout(4, 3));
optPanel.add(directCallingCb);
optPanel.add(noCommentCb);
optPanel.add(structsAsTopLevelClassesCb);
optPanel.add(charPtrAsString);
//optPanel.add(scalaSettersCb);
optPanel.add(reificationCb);
optPanel.add(convertBodiesCb);
optPanel.add(genRawBindingsCb);
optPanel.add(beautifyNamesCb);
optPanel.add(extractInterfaceCb);
optPanel.add(forceNamesCb);
optBox.add(optPanel);
for (Component c : optBox.getComponents()) {
((JComponent) c).setAlignmentX(0);
}
sourcePane.add("North", optBox);//raryName);
sourcePane.add("Center", sourceArea);
sourceTabs.addTab("Source", sourcePane);
Box resChoiceBox = Box.createHorizontalBox();
resChoiceBox.add(classCountLabel);
resChoiceBox.add(resultsListCombo);
resChoiceBox.add(showJarButton);
resultPane.add("North", resChoiceBox);
resultPane.add("Center", resultArea);
sp = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, sourceTabs, resultTabs);
sp.setOneTouchExpandable(true);
sp.setResizeWeight(0.5);
//sp.setDividerLocation(0.5);
errorsPane.add("Center", new JScrollPane(errorsArea));
resultTabs.add("JNAeration Results", resultPane);
resultTabs.add("Logs", errorsPane);
add("Center", sp);
//add("Center", new JSplitPane(JSplitPane.VERTICAL_SPLIT, sp, new JScrollPane(errorsArea)));
resultsListCombo.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
ResultContent c = (ResultContent) resultsListCombo.getSelectedItem();
resultArea.setText(c == null ? "" : c.getContent());
resultArea.scrollTo(0, 0);
}
});
try {
sourceArea.setText(ReadText.readText(getInputFile()));
sourceArea.scrollTo(0, 0);
} catch (Exception ex) {
}
if (sourceArea.getText().trim().length() == 0) {
doShowExample(false);
}
UndoRedoUtils.registerNewUndoManager(sourceArea, sourceArea.getDocument());
}
void setReadyToJNAerate() {
statusBar.setToolTipText("Click to JNAerate !");
statusBar.setMaximum(1);
statusBar.setMinimum(0);
statusBar.setValue(0);
statusBar.setStringPainted(true);
statusBar.setString("Ready to JNAerate");
statusBar.setIndeterminate(false);
}
private void doShowExample(boolean generate) {
try {
sourceArea.setText(ReadText.readText(getClass().getClassLoader().getResourceAsStream(
"com/ochafik/lang/jnaerator/examples/example.h")));
sourceArea.scrollTo(0, 0);
if (generate) {
generate();
}
} catch (Exception e1) {
e1.printStackTrace();
}
}
// interface ProgressCallbacks {
// void sourcesParsed(SourceFiles sf);
// void log(String s);
// void filesGenerated(File outputDir);
// }
protected void generate() {
try {
save();
} catch (IOException e1) {
error(null, "Error while saving file", e1);
return;
}
JNAeratorStudio.this.setEnabled(false);
errorsArea.setText("");
results.clear();
resultArea.setText("");
generateAction.setEnabled(false);
showJarButton.setEnabled(false);
showJarButton.setToolTipText(null);
statusBar.setIndeterminate(true);
statusBar.setToolTipText("JNAerating...");
lastJNAeratedArtifact = null;
new Thread() {
public void run() {
JNAeratorConfig config = new JNAeratorConfig();
config.outputJar = getOutputJarFile();
config.outputDir = getOutputDir();
config.useJNADirectCalls = directCallingCb.isSelected();
config.forceNames = forceNamesCb.isSelected();
config.putTopStructsInSeparateFiles = structsAsTopLevelClassesCb.isSelected();
config.reification = reificationCb.isSelected();
config.convertBodies = convertBodiesCb.isSelected();
config.genRawBindings = genRawBindingsCb.isSelected();
config.beautifyNames = beautifyNamesCb.isSelected();
//config.scalaStructSetters = scalaSettersCb.isSelected();
config.stringifyConstCStringReturnValues = config.charPtrAsString = charPtrAsString.isSelected();
config.runtime = (Runtime) runtimeCombo.getSelectedItem();
config.outputMode = (OutputMode) modeCombo.getSelectedItem();
config.noComments = noCommentCb.isSelected();
config.defaultLibrary = libraryName.getText();
config.libraryForElementsInNullFile = libraryName.getText();
if (extractInterfaceCb.isSelected())
config.extractedLibraries.put(libraryName.getText(), "I" + StringUtils.capitalize(libraryName.getText()));
// config.addFile(getFile(), "");
config.preprocessorConfig.includeStrings.add(sourceArea.getText());
if (config.runtime == Runtime.BridJ) {
config.genCPlusPlus = true;
} else {
config.genCPlusPlus = config.genCPlusPlus || sourceArea.getText().contains("//@" + JNAeratorCommandLineArgs.OptionDef.CPlusPlusGen.clSwitch);
}
config.cacheDir = getDir("cache");
final PrintStream out = System.out;
final PrintStream err = System.err;
JTextAreaOutputStream to = new JTextAreaOutputStream(errorsArea);
PrintStream pto = new PrintStream(to);
System.setOut(pto);
System.setErr(pto);
Feedback feedback = new Feedback() {
@Override
public void setStatus(final String string) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
statusBar.setString(string);
statusBar.setToolTipText(string);
}
});
}
@Override
public void setFinished(final File toOpen) {
lastJNAeratedArtifact = toOpen;
SwingUtilities.invokeLater(new Runnable() {
public void run() {
statusBar.setToolTipText("Click to re-JNAerate !");
statusBar.setString("JNAeration completed");
showJarButton.setEnabled(true);
showJarButton.setToolTipText(toOpen.getAbsolutePath());
statusBar.setValue(statusBar.getMaximum());
statusBar.setIndeterminate(false);
}
});
}
@Override
public void setFinished(Throwable e) {
statusBar.setToolTipText("Click to examine the JNAeration error report");
lastJNAeratedArtifact = e;
setStatus("JNAeration failed : " + e.toString());
statusBar.setValue(statusBar.getMinimum());
statusBar.setIndeterminate(false);
//error(null, null, e);
}
@Override
public void wrappersGenerated(final Result result) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
if (resultsListCombo.getItemCount() > 0) {
resultsListCombo.setSelectedIndex(0);
}
}
});
}
@Override
public void sourcesParsed(SourceFiles sourceFiles) {
final SourceFiles sourceFilesClone = sourceFiles;//.clone();
SwingUtilities.invokeLater(new Runnable() {
public void run() {
String title = "Parsing Tree";
for (int i = sourceTabs.getTabCount(); i-- != 0;) {
if (title.equals(sourceTabs.getTitleAt(i))) {
sourceTabs.removeTabAt(i);
break;
}
}
final JTree parsedTree = new JTree(new ElementNode(null, "ROOT", sourceFilesClone));
final JEditTextArea selectionContent = textArea(new CCTokenMarker());
parsedTree.addTreeSelectionListener(new TreeSelectionListener() {
public void valueChanged(TreeSelectionEvent e) {
TreePath selectionPath = parsedTree.getSelectionPath();
AbstractNode c = selectionPath == null ? null : (AbstractNode) selectionPath.getLastPathComponent();
selectionContent.setText(c == null ? "" : c.getContent());
selectionContent.scrollTo(0, 0);
}
});
JPanel parsePane = new JPanel(new BorderLayout());
parsePane.add("West", new JScrollPane(parsedTree));
parsePane.add("Center", selectionContent);
sourceTabs.addTab(title, parsePane);
}
});
}
};
try {
new JNAerator(config) {
public PrintWriter getSourceWriter(final ClassOutputter outputter, final String path) throws IOException {
ResultContent c = new ResultContent(path) {
protected void closed() {
try {
PrintWriter w = outputter.getSourceWriter(path);
w.write(this.getContent());
w.close();
} catch (Exception ex) {
ex.printStackTrace();
}
}
;
};
results.add(c);
return c.getPrintWriter();
}
;
}.jnaerate(feedback);
} finally {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
generateAction.setEnabled(true);
sourceArea.scrollTo(0, 0);
JNAeratorStudio.this.setEnabled(true);
System.setOut(out);
System.setErr(err);
classCountLabel.setText("JNAerated classes (" + results.size() + ") :");
setTabTitle(resultTabs, errorsPane, "Logs (" + (errorsArea.getLineCount() - 1) + " lines)");
}
});
}
}
}.start();
}
public static class SyntaxException extends Exception {
public SyntaxException(String message) {
super(message);
}
}
// private void displayError(Exception e) {
// JOptionPane.showMessageDialog(this, e.toString(), "Error", JOptionPane.ERROR_MESSAGE);
// }
private static void setTabTitle(JTabbedPane tabs, Component c, String string) {
for (int i = tabs.getTabCount(); i-- != 0;) {
Component tc = tabs.getComponent(i);//tabs.getTabComponentAt(i);
if (tc == c) {
tabs.setTitleAt(i, string);
return;
}
}
}
static Preferences prefNode() {
return Preferences.userNodeForPackage(JNAeratorStudio.class);
}
public static String getPref(String name, String defaultValue) {
return prefNode().get(JNAeratorStudio.PREF_RADIX + name, defaultValue);
}
public static void setPref(String name, String value) {
prefNode().put(JNAeratorStudio.PREF_RADIX + name, value);
}
public static void setPref(String name, boolean value) {
prefNode().putBoolean(JNAeratorStudio.PREF_RADIX + name, value);
}
public static boolean getPref(String name, boolean defaultValue) {
return prefNode().getBoolean(JNAeratorStudio.PREF_RADIX + name, defaultValue);
}
public static void setPref(String name, double value) {
prefNode().putDouble(JNAeratorStudio.PREF_RADIX + name, value);
}
public static double getPref(String name, double defaultValue) {
return prefNode().getDouble(JNAeratorStudio.PREF_RADIX + name, defaultValue);
}
public static void setPref(String name, int value) {
prefNode().putInt(JNAeratorStudio.PREF_RADIX + name, value);
}
public static int getPref(String name, int defaultValue) {
return prefNode().getInt(JNAeratorStudio.PREF_RADIX + name, defaultValue);
}
public static void main(String[] args) {
String[] prefArgs = JNAerator.getJNAeratorArgsFromPref();
if (args.length > 0 || prefArgs != null) {
String[] nargs = null;
if (prefArgs != null) {
nargs = new String[0];
} else if (args.length == 1) {
nargs = new String[]{"@", args[0], "-gui"};
} else if (args.length == 2 && args[0].equals("-open")) {
nargs = new String[]{"@", args[1], "-gui"};
}
if (nargs != null) {
JNAerator.main(nargs);
return;
}
}
try {
System.setProperty("apple.laf.useScreenMenuBar", "true");
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception e) {
System.out.println("Error setting native LAF: " + e);
}
String ver = "";
try {
ver = " " + ReadText.readText(JNAeratorStudio.class.getClassLoader().getResourceAsStream("VERSION"));
} catch (Exception ex) {
}
final JFrame f = new JFrame((JNAeratorStudio.class.getSimpleName() + ver).trim());
final JNAeratorStudio js = new JNAeratorStudio();
f.getContentPane().add("Center", js);
//f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
try {
js.libraryName.setText(getPref("options.libraryName", "test"));
js.directCallingCb.setSelected(getPref("options.direct", false));
js.structsAsTopLevelClassesCb.setSelected(getPref("options.topLevelStructs", true));
js.reificationCb.setSelected(getPref("options.reification", false));
js.convertBodiesCb.setSelected(getPref("options.convertBodies", false));
js.extractInterfaceCb.setSelected(getPref("options.extractInterface", false));
js.genRawBindingsCb.setSelected(getPref("options.genRawBindings", false));
js.beautifyNamesCb.setSelected(getPref("options.beautifyNames", false));
js.forceNamesCb.setSelected(getPref("options.forceNames", false));
js.charPtrAsString.setSelected(getPref("options.charPtrAsString", false));
//js.scalaSettersCb.setSelected(getPref("options.scalaSetters", false));
js.noCommentCb.setSelected(getPref("options.noComments", false));
js.sp.setOrientation(getPref("splitPane.orientation", JSplitPane.HORIZONTAL_SPLIT));
js.sp.setDividerLocation(getPref("splitPane.dividedLocation", 0.5));
f.setSize(getPref("window.width", 800), getPref("height", 600));
f.setExtendedState(getPref("window.extendedState", JFrame.NORMAL));
js.runtimeCombo.setSelectedItem(Runtime.valueOf(getPref("options.targetRuntime", Runtime.JNAerator.name())));
} catch (Exception ex) {
ex.printStackTrace();
f.setExtendedState(JFrame.MAXIMIZED_BOTH);
f.setSize(800, 800);
}
if (false) {
java.lang.Runtime.getRuntime().addShutdownHook(new Thread() {
public void run() {
try {
} catch (Throwable ex) {
ex.printStackTrace();
}
}
});
}
f.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
js.close(f);
}
});
f.setVisible(true);
}
protected static double getProportionalDividerLocation(JSplitPane sp) {
boolean hor = sp.getOrientation() == JSplitPane.HORIZONTAL_SPLIT;
int l = sp.getDividerLocation(), d = hor ? sp.getWidth() : sp.getHeight();
sp.setOrientation(hor ? JSplitPane.VERTICAL_SPLIT : JSplitPane.HORIZONTAL_SPLIT);
return d != 0 ? l / (double) d : 0.5;
}
}
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