stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8280988: [XWayland] Click on title to request focus test failures

Browse Source 
Reviewed-by: honkar, serb
This commit is contained in:
Alexander Zvegintsev 2024-05-02 20:18:25 +00:00
parent 99654ec3fb
commit f6cdcc6f65
5 changed files with 213 additions and 122 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
test/jdk/java/awt/Focus/6981400/Test1.java
View File

@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2012, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -27,8 +27,8 @@
* @bug 6981400 * @bug 6981400
* @summary Tabbing between textfiled do not work properly when ALT+TAB * @summary Tabbing between textfiled do not work properly when ALT+TAB
* @author anton.tarasov * @author anton.tarasov
* @library ../../regtesthelpers * @library /java/awt/regtesthelpers /test/lib
* @build Util * @build Util jdk.test.lib.Platform
* @run main Test1 * @run main Test1
*/ */
@ -41,12 +41,28 @@
// The FOCUS_LOST/FOCUS_GAINED events order in the original frame is tracked and should be: // The FOCUS_LOST/FOCUS_GAINED events order in the original frame is tracked and should be:
// b0 -> b1 -> b2 -> b3. // b0 -> b1 -> b2 -> b3.
import java.awt.*; import java.awt.AWTEvent;
import java.awt.event.*; import java.awt.AWTException;
import java.awt.Button;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.event.AWTEventListener;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.KeyEvent;
import java.awt.event.WindowEvent;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
import java.util.List; import java.util.List;
import javax.swing.*; import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import jdk.test.lib.Platform;
import test.java.awt.regtesthelpers.Util; import test.java.awt.regtesthelpers.Util;
public class Test1 { public class Test1 {
@ -72,7 +88,7 @@ public class Test1 {
static boolean tracking; static boolean tracking;
public static void main(String[] args) { public static void main(String[] args) throws Exception {
Toolkit.getDefaultToolkit().addAWTEventListener(new AWTEventListener() { Toolkit.getDefaultToolkit().addAWTEventListener(new AWTEventListener() {
public void eventDispatched(AWTEvent e) { public void eventDispatched(AWTEvent e) {
System.out.println(e); System.out.println(e);
@ -81,6 +97,7 @@ public class Test1 {
try { try {
robot = new Robot(); robot = new Robot();
robot.setAutoDelay(50);
} catch (AWTException ex) { } catch (AWTException ex) {
throw new RuntimeException("Error: can't create Robot"); throw new RuntimeException("Error: can't create Robot");
} }
@ -90,13 +107,13 @@ public class Test1 {
f0.add(f0b2); f0.add(f0b2);
f0.add(f0b3); f0.add(f0b3);
f0.setLayout(new FlowLayout()); f0.setLayout(new FlowLayout());
f0.setBounds(0, 100, 400, 200); f0.setBounds(100, 100, 400, 200);
f1.add(f1b0); f1.add(f1b0);
f1.setBounds(0, 400, 400, 200); f1.setBounds(100, 400, 400, 200);
f2.add(f2b0); f2.add(f2b0);
f2.setBounds(0, 400, 400, 200); f2.setBounds(100, 400, 400, 200);
f0b0.addFocusListener(new FocusAdapter() { f0b0.addFocusListener(new FocusAdapter() {
@Override @Override
@ -115,6 +132,7 @@ public class Test1 {
f0.setVisible(true); f0.setVisible(true);
Util.waitForIdle(robot); Util.waitForIdle(robot);
robot.delay(500);
if (!f0b0.isFocusOwner()) { if (!f0b0.isFocusOwner()) {
Util.clickOnComp(f0b0, robot); Util.clickOnComp(f0b0, robot);
@ -152,28 +170,29 @@ public class Test1 {
System.out.println("\nTest passed."); System.out.println("\nTest passed.");
} }
public static void test(Component compToClick) { public static void test(Component compToClick) throws Exception {
tracking = true; tracking = true;
robot.keyPress(KeyEvent.VK_TAB); robot.keyPress(KeyEvent.VK_TAB);
robot.delay(50);
robot.keyRelease(KeyEvent.VK_TAB); robot.keyRelease(KeyEvent.VK_TAB);
robot.delay(50); robot.waitForIdle();
robot.keyPress(KeyEvent.VK_TAB); robot.keyPress(KeyEvent.VK_TAB);
robot.delay(50);
robot.keyRelease(KeyEvent.VK_TAB); robot.keyRelease(KeyEvent.VK_TAB);
robot.delay(50); robot.waitForIdle();
robot.keyPress(KeyEvent.VK_TAB); robot.keyPress(KeyEvent.VK_TAB);
robot.delay(50);
robot.keyRelease(KeyEvent.VK_TAB); robot.keyRelease(KeyEvent.VK_TAB);
robot.waitForIdle();
robot.delay(50);
Util.clickOnComp(compToClick, robot); Util.clickOnComp(compToClick, robot);
robot.delay(50); robot.waitForIdle();
Util.clickOnTitle(f0, robot); SwingUtilities.invokeAndWait(f0::toFront);
if (!Platform.isOnWayland()) {
Util.clickOnTitle(f0, robot);
}
Util.waitForIdle(robot); Util.waitForIdle(robot);

43
test/jdk/java/awt/Focus/ActualFocusedWindowTest/ActualFocusedWindowBlockingTest.java
View File

@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2008, 2022, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2008, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -26,13 +26,27 @@
@key headful @key headful
@bug 6314575 @bug 6314575
@summary Tests that previosly focused owned window doesn't steal focus when an owner's component requests focus. @summary Tests that previosly focused owned window doesn't steal focus when an owner's component requests focus.
@library ../../regtesthelpers @library /java/awt/regtesthelpers /test/lib
@build Util @build Util jdk.test.lib.Platform
@run main ActualFocusedWindowBlockingTest @run main ActualFocusedWindowBlockingTest
*/ */
import java.awt.*; import java.awt.AWTEvent;
import java.awt.event.*; import java.awt.Button;
import java.awt.Color;
import java.awt.Component;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.KeyboardFocusManager;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.event.AWTEventListener;
import java.awt.event.FocusEvent;
import java.awt.event.WindowEvent;
import jdk.test.lib.Platform;
import test.java.awt.regtesthelpers.Util; import test.java.awt.regtesthelpers.Util;
public class ActualFocusedWindowBlockingTest { public class ActualFocusedWindowBlockingTest {
@ -44,7 +58,7 @@ public class ActualFocusedWindowBlockingTest {
Button wButton = new Button("window button") {public String toString() {return "Window_Button";}}; Button wButton = new Button("window button") {public String toString() {return "Window_Button";}};
Button aButton = new Button("auxiliary button") {public String toString() {return "Auxiliary_Button";}}; Button aButton = new Button("auxiliary button") {public String toString() {return "Auxiliary_Button";}};
public static void main(String[] args) { public static void main(String[] args) throws Exception {
ActualFocusedWindowBlockingTest app = new ActualFocusedWindowBlockingTest(); ActualFocusedWindowBlockingTest app = new ActualFocusedWindowBlockingTest();
app.init(); app.init();
app.start(); app.start();
@ -68,7 +82,7 @@ public class ActualFocusedWindowBlockingTest {
tuneAndShowWindows(new Window[] {owner, win, frame}); tuneAndShowWindows(new Window[] {owner, win, frame});
} }
public void start() { public void start() throws Exception {
System.out.println("\nTest started:\n"); System.out.println("\nTest started:\n");
// Test 1. // Test 1.
@ -99,7 +113,12 @@ public class ActualFocusedWindowBlockingTest {
clickOnCheckFocus(fButton); clickOnCheckFocus(fButton);
clickOnCheckFocus(aButton); clickOnCheckFocus(aButton);
Util.clickOnTitle(owner, robot); EventQueue.invokeAndWait(owner::toFront);
if (!Platform.isOnWayland()) {
Util.clickOnTitle(owner, robot);
}
if (!testFocused(fButton)) { if (!testFocused(fButton)) {
throw new TestFailedException("The owner's component [" + fButton + "] couldn't be focused as the most recent focus owner"); throw new TestFailedException("The owner's component [" + fButton + "] couldn't be focused as the most recent focus owner");
} }
@ -117,11 +136,15 @@ public class ActualFocusedWindowBlockingTest {
y += 200; y += 200;
Util.waitForIdle(robot); Util.waitForIdle(robot);
} }
robot.delay(500);
} }
void clickOnCheckFocus(Component c) { void clickOnCheckFocus(Component c) throws Exception {
if (c instanceof Frame) { if (c instanceof Frame) {
Util.clickOnTitle((Frame)c, robot); EventQueue.invokeAndWait(() -> ((Frame) c).toFront());
if (!Platform.isOnWayland()) {
Util.clickOnTitle((Frame) c, robot);
}
} else { } else {
Util.clickOnComp(c, robot); Util.clickOnComp(c, robot);
} }

38
test/jdk/java/awt/Focus/ModalDialogInFocusEventTest.java
View File

@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2002, 2023, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2002, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -22,11 +22,11 @@
*/ */
/* /*
test @test
@key headful
@bug 4531693 4636269 4681908 4688142 4691646 4721470 @bug 4531693 4636269 4681908 4688142 4691646 4721470
@summary Showing modal dialog during dispatching SequencedEvent @summary Showing modal dialog during dispatching SequencedEvent
@key headful @run main ModalDialogInFocusEventTest
@run main AutomaticAppletTest
*/ */
import java.awt.AWTEvent; import java.awt.AWTEvent;
@ -68,6 +68,8 @@ public class ModalDialogInFocusEventTest
static final int MAX_STAGE_NUM = stages.length; static final int MAX_STAGE_NUM = stages.length;
static final Object stageMonitor = new Object(); static final Object stageMonitor = new Object();
static boolean isOnWayland;
Robot robot = null; Robot robot = null;
Frame frame; Frame frame;
Frame oppositeFrame; Frame oppositeFrame;
@ -209,18 +211,21 @@ public class ModalDialogInFocusEventTest
void clickOnFrameTitle(Frame frame) throws InterruptedException, void clickOnFrameTitle(Frame frame) throws InterruptedException,
InvocationTargetException { InvocationTargetException {
System.out.println("click on title of " + frame.getName()); EventQueue.invokeAndWait(frame::toFront);
int[] point = new int[2]; if (!isOnWayland) {
EventQueue.invokeAndWait(() -> { System.out.println("click on title of " + frame.getName());
Point location = frame.getLocationOnScreen(); int[] point = new int[2];
Insets insets = frame.getInsets(); EventQueue.invokeAndWait(() -> {
int width = frame.getWidth(); Point location = frame.getLocationOnScreen();
point[0] = location.x + width / 2; Insets insets = frame.getInsets();
point[1] = location.y + insets.top / 2; int width = frame.getWidth();
}); point[0] = location.x + width / 2;
robot.mouseMove(point[0], point[1]); point[1] = location.y + insets.top / 2;
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK); });
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK); robot.mouseMove(point[0], point[1]);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
}
EventQueue.invokeAndWait(frame::requestFocusInWindow); EventQueue.invokeAndWait(frame::requestFocusInWindow);
} }
@ -344,6 +349,7 @@ public class ModalDialogInFocusEventTest
public static void main(String[] args) throws InterruptedException, public static void main(String[] args) throws InterruptedException,
InvocationTargetException { InvocationTargetException {
isOnWayland = System.getenv("WAYLAND_DISPLAY") != null;
ModalDialogInFocusEventTest test = new ModalDialogInFocusEventTest(); ModalDialogInFocusEventTest test = new ModalDialogInFocusEventTest();
test.start(); test.start();
} }

186
test/jdk/java/awt/Mixing/AWT_Mixing/HierarchyBoundsListenerMixingTest.java
View File

@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2014, 2022, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2014, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -21,12 +21,33 @@
* questions. * questions.
*/ */
import java.awt.Button;
import java.awt.*; import java.awt.Checkbox;
import java.awt.event.*; import java.awt.Choice;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.Label;
import java.awt.List;
import java.awt.Panel;
import java.awt.Robot;
import java.awt.Scrollbar;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.HierarchyBoundsListener;
import java.awt.event.HierarchyEvent;
import java.awt.event.InputEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.lang.reflect.InvocationTargetException; import java.lang.reflect.InvocationTargetException;
import javax.swing.SwingUtilities; import javax.swing.SwingUtilities;
import java.io.*;
import jdk.test.lib.Platform;
/** /**
* AWT Mixing test for HierarchyBoundsListener ancestors. * AWT Mixing test for HierarchyBoundsListener ancestors.
@ -37,7 +58,8 @@ import java.io.*;
* @key headful * @key headful
* @bug 6768230 8221823 * @bug 6768230 8221823
* @summary Mixing test for HierarchyBoundsListener ancestors * @summary Mixing test for HierarchyBoundsListener ancestors
* @build FrameBorderCounter * @library /test/lib
* @build FrameBorderCounter jdk.test.lib.Platform
* @run main HierarchyBoundsListenerMixingTest * @run main HierarchyBoundsListenerMixingTest
*/ */
public class HierarchyBoundsListenerMixingTest { public class HierarchyBoundsListenerMixingTest {
@ -137,9 +159,9 @@ public class HierarchyBoundsListenerMixingTest {
robot.mouseMove((int) components[0].getLocationOnScreen().x + components[0].getSize().width / 2, robot.mouseMove((int) components[0].getLocationOnScreen().x + components[0].getSize().width / 2,
(int) components[0].getLocationOnScreen().y + components[0].getSize().height / 2); (int) components[0].getLocationOnScreen().y + components[0].getSize().height / 2);
robot.delay(delay); robot.delay(delay);
robot.mousePress(InputEvent.BUTTON1_MASK); robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(delay); robot.delay(delay);
robot.mouseRelease(InputEvent.BUTTON1_MASK); robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(delay); robot.delay(delay);
resetValues(); resetValues();
@ -177,45 +199,54 @@ public class HierarchyBoundsListenerMixingTest {
robot.delay(delay * 5); robot.delay(delay * 5);
resetValues(); resetValues();
int x = (int) frame.getLocationOnScreen().x;
int y = (int) frame.getLocationOnScreen().y;
int w = frame.getSize().width;
int h = frame.getSize().height;
robot.mouseMove(x + w + BORDER_SHIFT, y + h / 2); int x;
robot.delay(delay); int y;
robot.mousePress(InputEvent.BUTTON1_MASK); int w;
robot.delay(delay); int h;
for (int i = 0; i < 20; i++) {
robot.mouseMove(x + w + i + BORDER_SHIFT, y + h / 2);
robot.delay(50);
}
robot.delay(delay);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
if (! resizeTriggered) { if (!Platform.isOnWayland()) {
synchronized (resizeLock) { x = frame.getLocationOnScreen().x;
try { y = frame.getLocationOnScreen().y;
resizeLock.wait(delay * 10); w = frame.getSize().width;
} catch (Exception e) { h = frame.getSize().height;
robot.mouseMove(x + w + BORDER_SHIFT, y + h / 2);
robot.delay(delay);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(delay);
for (int i = 0; i < 20; i++) {
robot.mouseMove(x + w + i + BORDER_SHIFT, y + h / 2);
robot.delay(50);
}
robot.delay(delay);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
if (!resizeTriggered) {
synchronized (resizeLock) {
try {
resizeLock.wait(delay * 10);
} catch (Exception e) {
}
} }
} }
}
for (int i = 0; i < components.length; i++) { for (int i = 0; i < components.length; i++) {
if (! ancestorResized[i]) { if (!ancestorResized[i]) {
System.err.println("FAIL: Frame resized using mouse action. " + System.err.println("FAIL: Frame resized using mouse action. " +
"Ancestor resized event did not occur for " + "Ancestor resized event did not occur for " +
components[i].getClass()); components[i].getClass());
passed = false;
}
}
if (moveCount > 0) {
System.err.println("FAIL: Ancestor moved event occurred when Frame resized using mouse");
passed = false; passed = false;
} }
}
if (moveCount > 0) { resetValues();
System.err.println("FAIL: Ancestor moved event occured when Frame resized using mouse");
passed = false;
} }
resetValues();
try { try {
EventQueue.invokeAndWait(new Runnable() { EventQueue.invokeAndWait(new Runnable() {
public void run() { public void run() {
@ -250,52 +281,55 @@ public class HierarchyBoundsListenerMixingTest {
robot.delay(delay * 10); robot.delay(delay * 10);
resetValues(); resetValues();
x = (int) frame.getLocationOnScreen().x;
y = (int) frame.getLocationOnScreen().y;
w = frame.getSize().width;
h = frame.getSize().height;
//Click on the dummy frame so that the test frame loses focus. This is to workaround if (!Platform.isOnWayland()) {
//a bug in Linux AS. x = frame.getLocationOnScreen().x;
robot.mouseMove((int) dummy.getLocationOnScreen().x + dummy.getSize().width / 2, y = frame.getLocationOnScreen().y;
(int) dummy.getLocationOnScreen().y + dummy.getSize().height / 2); w = frame.getSize().width;
robot.delay(delay); h = frame.getSize().height;
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.delay(delay);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
robot.delay(delay);
robot.mouseMove(x + w / 2, y + 10); //Click on the dummy frame so that the test frame loses focus. This is to workaround
robot.delay(delay); //a bug in Linux AS.
robot.mousePress(InputEvent.BUTTON1_MASK); robot.mouseMove((int) dummy.getLocationOnScreen().x + dummy.getSize().width / 2,
robot.delay(delay); (int) dummy.getLocationOnScreen().y + dummy.getSize().height / 2);
for (int i = 1; i <= 20; i++) { robot.delay(delay);
robot.mouseMove(x + w / 2 + i, y + 10); robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(50); robot.delay(delay);
} robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(delay); robot.delay(delay);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
if (! moveTriggered) { robot.mouseMove(x + w / 2, y + 10);
synchronized (moveLock) { robot.delay(delay);
try { robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
moveLock.wait(delay * 10); robot.delay(delay);
} catch (Exception e) { for (int i = 1; i <= 20; i++) {
robot.mouseMove(x + w / 2 + i, y + 10);
robot.delay(50);
}
robot.delay(delay);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
if (! moveTriggered) {
synchronized (moveLock) {
try {
moveLock.wait(delay * 10);
} catch (Exception e) {
}
} }
} }
}
for (int i = 0; i < components.length; i++) { for (int i = 0; i < components.length; i++) {
if (! ancestorMoved[i]) { if (! ancestorMoved[i]) {
System.err.println("FAIL: Frame moved using mouse action. " + System.err.println("FAIL: Frame moved using mouse action. " +
"Ancestor moved event did not occur for " + components[i].getClass()); "Ancestor moved event did not occur for " + components[i].getClass());
passed = false;
}
}
if (resizeCount > 0) {
System.err.println("FAIL: Ancestor resized event occured when Frame moved using mouse");
passed = false; passed = false;
} }
} }
if (resizeCount > 0) {
System.err.println("FAIL: Ancestor resized event occured when Frame moved using mouse");
passed = false;
}
return passed; return passed;
} }
@ -450,7 +484,7 @@ public class HierarchyBoundsListenerMixingTest {
// instantiated in the same VM. Being static (and using // instantiated in the same VM. Being static (and using
// static vars), it aint gonna work. Not worrying about // static vars), it aint gonna work. Not worrying about
// it for now. // it for now.
public static void main(String args[]) throws InterruptedException { public static void main(String[] args) throws InterruptedException {
mainThread = Thread.currentThread(); mainThread = Thread.currentThread();
try { try {
init(); init();

11
test/lib/jdk/test/lib/Platform.java
View File

@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2013, 2023, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2013, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -473,4 +473,13 @@ public class Platform {
public static boolean areCustomLoadersSupportedForCDS() { public static boolean areCustomLoadersSupportedForCDS() {
return (is64bit() && (isLinux() || isOSX() || isWindows())); return (is64bit() && (isLinux() || isOSX() || isWindows()));
} }
/**
* Checks if the current system is running on Wayland display server on Linux.
*
* @return {@code true} if the system is running on Wayland display server
*/
public static boolean isOnWayland() {
return System.getenv("WAYLAND_DISPLAY") != null;
}
} }