Moved SWT and JavaFX utilities from the main utilities project

master
Robinson 2021-01-28 23:10:31 +01:00
commit 4a6f4d02a0
12 changed files with 1538 additions and 0 deletions

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# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
# User-specific stuff:
.idea/**/workspace.xml
.idea/**/tasks.xml
.idea/dictionaries
.idea/**/codeStyles/
.idea/**/codeStyleSettings.xml
# Sensitive or high-churn files:
.idea/**/dataSources/
.idea/**/dataSources.ids
.idea/**/dataSources.xml
.idea/**/dataSources.local.xml
.idea/**/sqlDataSources.xml
.idea/**/dynamic.xml
.idea/**/uiDesigner.xml
.idea/**/shelf/
# Gradle:
.idea/**/gradle.xml
.idea/**/libraries
# CMake
cmake-build-debug/
# Mongo Explorer plugin:
.idea/**/mongoSettings.xml
## File-based project format:
*.iws
## Plugin-specific files:
# IntelliJ
out/
# mpeltonen/sbt-idea plugin
.idea_modules/
# JIRA plugin
atlassian-ide-plugin.xml
# Cursive Clojure plugin
.idea/replstate.xml
# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties
fabric.properties
######################
# End JetBrains IDEs #
######################
# From https://github.com/github/gitignore/blob/master/Gradle.gitignore
.gradle
/build/
# Ignore Gradle GUI config
gradle-app.setting
# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
!gradle-wrapper.jar
!gradle-wrapper.properties
# Cache of project
.gradletasknamecache
# From https://github.com/github/gitignore/blob/master/Java.gitignore
*.class
# Mobile Tools for Java (J2ME)
.mtj.tmp/
# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*
*.DS_Store
.AppleDouble
.LSOverride
# Icon must end with two \r
Icon
# Thumbnails
._*
# Files that might appear in the root of a volume
.DocumentRevisions-V100
.fseventsd
.Spotlight-V100
.TemporaryItems
.Trashes
.VolumeIcon.icns
.com.apple.timemachine.donotpresent
# Directories potentially created on remote AFP share
.AppleDB
.AppleDesktop
Network Trash Folder
Temporary Items
.apdisk
##########################################################
# Specific to this module
# iml files are generated by intellij/gradle now
**/*.iml

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- SwtJavaFx - Swt and JavaFx Utilities
[The Apache Software License, Version 2.0]
https://git.dorkbox.com/dorkbox/SwtJavaFx
Copyright 2021
Dorkbox LLC
Extra license information
- Eclipse Platform - Frameworks and common services to support the use of Eclipse and it's tools (SWT)
[Eclipse Public License (EPL)]
https://projects.eclipse.org/projects/eclipse.platform
Copyright 2021
The Eclipse Foundation, Inc.
- OpenJFX - OpenJFX client application platform for desktop, mobile and embedded systems
[GNU General Public License, version 2, with the Classpath Exception]
https://github.com/openjdk/jfx
Copyright 2021
Oracle and/or its affiliates
- SLF4J - Simple facade or abstraction for various logging frameworks
[MIT License]
http://www.slf4j.org
Copyright 2021
QOS.ch

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corresponding source code, to be distributed under the terms of Sections 1
and 2 above on a medium customarily used for software interchange; or,
c) Accompany it with the information you received as to the offer to
distribute corresponding source code. (This alternative is allowed only
for noncommercial distribution and only if you received the program in
object code or executable form with such an offer, in accord with
Subsection b above.)
The source code for a work means the preferred form of the work for making
modifications to it. For an executable work, complete source code means all
the source code for all modules it contains, plus any associated interface
definition files, plus the scripts used to control compilation and installation
of the executable. However, as a special exception, the source code
distributed need not include anything that is normally distributed (in either
source or binary form) with the major components (compiler, kernel, and so on)
of the operating system on which the executable runs, unless that component
itself accompanies the executable.
If distribution of executable or object code is made by offering access to copy
from a designated place, then offering equivalent access to copy the source
code from the same place counts as distribution of the source code, even though
third parties are not compelled to copy the source along with the object code.
4. You may not copy, modify, sublicense, or distribute the Program except as
expressly provided under this License. Any attempt otherwise to copy, modify,
sublicense or distribute the Program is void, and will automatically terminate
your rights under this License. However, parties who have received copies, or
rights, from you under this License will not have their licenses terminated so
long as such parties remain in full compliance.
5. You are not required to accept this License, since you have not signed it.
However, nothing else grants you permission to modify or distribute the Program
or its derivative works. These actions are prohibited by law if you do not
accept this License. Therefore, by modifying or distributing the Program (or
any work based on the Program), you indicate your acceptance of this License to
do so, and all its terms and conditions for copying, distributing or modifying
the Program or works based on it.
6. Each time you redistribute the Program (or any work based on the Program),
the recipient automatically receives a license from the original licensor to
copy, distribute or modify the Program subject to these terms and conditions.
You may not impose any further restrictions on the recipients' exercise of the
rights granted herein. You are not responsible for enforcing compliance by
third parties to this License.
7. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues), conditions
are imposed on you (whether by court order, agreement or otherwise) that
contradict the conditions of this License, they do not excuse you from the
conditions of this License. If you cannot distribute so as to satisfy
simultaneously your obligations under this License and any other pertinent
obligations, then as a consequence you may not distribute the Program at all.
For example, if a patent license would not permit royalty-free redistribution
of the Program by all those who receive copies directly or indirectly through
you, then the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under any
particular circumstance, the balance of the section is intended to apply and
the section as a whole is intended to apply in other circumstances.
It is not the purpose of this section to induce you to infringe any patents or
other property right claims or to contest validity of any such claims; this
section has the sole purpose of protecting the integrity of the free software
distribution system, which is implemented by public license practices. Many
people have made generous contributions to the wide range of software
distributed through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing to
distribute software through any other system and a licensee cannot impose that
choice.
This section is intended to make thoroughly clear what is believed to be a
consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in certain
countries either by patents or by copyrighted interfaces, the original
copyright holder who places the Program under this License may add an explicit
geographical distribution limitation excluding those countries, so that
distribution is permitted only in or among countries not thus excluded. In
such case, this License incorporates the limitation as if written in the body
of this License.
9. The Free Software Foundation may publish revised and/or new versions of the
General Public License from time to time. Such new versions will be similar in
spirit to the present version, but may differ in detail to address new problems
or concerns.
Each version is given a distinguishing version number. If the Program
specifies a version number of this License which applies to it and "any later
version", you have the option of following the terms and conditions either of
that version or of any later version published by the Free Software Foundation.
If the Program does not specify a version number of this License, you may
choose any version ever published by the Free Software Foundation.
10. If you wish to incorporate parts of the Program into other free programs
whose distribution conditions are different, write to the author to ask for
permission. For software which is copyrighted by the Free Software Foundation,
write to the Free Software Foundation; we sometimes make exceptions for this.
Our decision will be guided by the two goals of preserving the free status of
all derivatives of our free software and of promoting the sharing and reuse of
software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR
THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE
STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE
PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE,
YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL
ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE
PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR
INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA
BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER
OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest possible
use to the public, the best way to achieve this is to make it free software
which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest to attach
them to the start of each source file to most effectively convey the exclusion
of warranty; and each file should have at least the "copyright" line and a
pointer to where the full notice is found.
One line to give the program's name and a brief idea of what it does.
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 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 General Public License for
more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place, Suite 330, Boston, MA 02111-1307 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this when it
starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author Gnomovision comes
with ABSOLUTELY NO WARRANTY; for details type 'show w'. This is free
software, and you are welcome to redistribute it under certain conditions;
type 'show c' for details.
The hypothetical commands 'show w' and 'show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may be
called something other than 'show w' and 'show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your school,
if any, to sign a "copyright disclaimer" for the program, if necessary. Here
is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
'Gnomovision' (which makes passes at compilers) written by James Hacker.
signature of Ty Coon, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General Public
License instead of this License.
"CLASSPATH" EXCEPTION TO THE GPL
Certain source files distributed by Oracle America and/or its affiliates are
subject to the following clarification and special exception to the GPL, but
only where Oracle has expressly included in the particular source file's header
the words "Oracle designates this particular file as subject to the "Classpath"
exception as provided by Oracle in the LICENSE file that accompanied this code."
Linking this library statically or dynamically with other modules is making
a combined work based on this library. Thus, the terms and conditions of
the GNU General Public License cover the whole combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent modules,
and to copy and distribute the resulting executable under terms of your
choice, provided that you also meet, for each linked independent module,
the terms and conditions of the license of that module. An independent
module is a module which is not derived from or based on this library. If
you modify this library, you may extend this exception to your version of
the library, but you are not obligated to do so. If you do not wish to do
so, delete this exception statement from your version.

21
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MIT License
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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/*
* Copyright 2021 dorkbox, llc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.time.Instant
///////////////////////////////
////// PUBLISH TO SONATYPE / MAVEN CENTRAL
////// TESTING : (to local maven repo) <'publish and release' - 'publishToMavenLocal'>
////// RELEASE : (to sonatype/maven central), <'publish and release' - 'publishToSonatypeAndRelease'>
///////////////////////////////
gradle.startParameter.showStacktrace = ShowStacktrace.ALWAYS // always show the stacktrace!
gradle.startParameter.warningMode = WarningMode.All
plugins {
java
id("com.dorkbox.GradleUtils") version "1.12"
id("com.dorkbox.Licensing") version "2.5.4"
id("com.dorkbox.VersionUpdate") version "2.1"
id("com.dorkbox.GradlePublish") version "1.9.1"
}
object Extras {
// set for the project
const val description = "Swt and JavaFx Utilities"
const val group = "com.dorkbox"
const val version = "1.0"
// set as project.ext
const val name = "SwtJavaFx"
const val id = "SwtJavaFx"
const val vendor = "Dorkbox LLC"
const val vendorUrl = "https://dorkbox.com"
const val url = "https://git.dorkbox.com/dorkbox/SwtJavaFx"
val buildDate = Instant.now().toString()
}
///////////////////////////////
///// assign 'Extras'
///////////////////////////////
GradleUtils.load("$projectDir/../../gradle.properties", Extras)
GradleUtils.fixIntellijPaths()
GradleUtils.defaultResolutionStrategy()
GradleUtils.compileConfiguration(JavaVersion.VERSION_1_8)
//var paths = System.getProperty("org.gradle.java.installations.paths", "")
//paths += ",/custom/path/jdk1.8,/shared/jre11"
//System.setProperty("org.gradle.java.installations.paths", paths)
//println(paths)
licensing {
license(License.APACHE_2) {
description(Extras.description)
author(Extras.vendor)
url(Extras.url)
}
}
sourceSets {
main {
java {
setSrcDirs(listOf("src"))
// want to include java files for the source. 'setSrcDirs' resets includes...
include("**/*.java")
}
}
}
repositories {
mavenLocal() // this must be first!
jcenter()
}
tasks.jar.get().apply {
manifest {
// https://docs.oracle.com/javase/tutorial/deployment/jar/packageman.html
attributes["Name"] = Extras.name
attributes["Specification-Title"] = Extras.name
attributes["Specification-Version"] = Extras.version
attributes["Specification-Vendor"] = Extras.vendor
attributes["Implementation-Title"] = "${Extras.group}.${Extras.id}"
attributes["Implementation-Version"] = Extras.buildDate
attributes["Implementation-Vendor"] = Extras.vendor
attributes["Automatic-Module-Name"] = Extras.id
}
}
dependencies {
implementation("org.slf4j:slf4j-api:1.7.30")
// because the eclipse release of SWT is sPecIaL! Version numbers that make sense... Whaaaaaaat?
compileOnly(GradleUtils.getSwtMavenId("3.114.100")) {
isTransitive = false
}
// NOTE: we must have GRADLE ITSELF using the Oracle 1.8 JDK (which includes JavaFX).
// OR we will manually include JavaFx11 (which JFX8, for what we use, is compatible)
// Java 8 include JavaFX separately. Newer versions of java bundle it (or, you can download/install it separately)
if (JavaVersion.current() == JavaVersion.VERSION_1_8) {
// Paths for the various executables in the Java 'bin' directory
val javaHome = "D:/Code/extras/jdk1.8.0_181-oracle"
// val javaCompilerPath = "$javaHome/bin/javac.exe"
// val javaExecutablePath = "$javaHome/bin/java.exe"
val javaFxFile = File("$javaHome/jre/lib/ext/jfxrt.jar")
println("\tJavaFX: $javaFxFile")
if (javaFxFile.exists()) {
compileOnly(files(javaFxFile))
} else {
println("\tJavaFX not found, unable to add dependency!")
}
} else {
// also see: https://stackoverflow.com/questions/52569724/javafx-11-create-a-jar-file-with-gradle
val currentOS = org.gradle.internal.os.OperatingSystem.current()
val platform = when {
currentOS.isWindows -> { "win" }
currentOS.isLinux -> { "linux" }
currentOS.isMacOsX -> { "mac" }
else -> { "unknown" }
}
compileOnly("org.openjfx:javafx-base:11:${platform}")
compileOnly("org.openjfx:javafx-graphics:11:${platform}")
compileOnly("org.openjfx:javafx-controls:11:${platform}")
}
}
//tasks.named<JavaCompile>("compileJava") {
// sourceCompatibility = "8"
// targetCompatibility = "8"
//
// // The sourceCompatibility and targetCompatibility properties have been removed
// options.encoding = "UTF-8"
// options.isFork = true
// options.forkOptions.executable = javaCompilerPath
// options.forkOptions.javaHome = file(javaHome)
//
// targetCompatibility = "1.8"
// sourceCompatibility = "1.8"
//}
//
//
//tasks.named<JavaCompile>("compileMain_Java11Java") {
// sourceCompatibility = "11"
// targetCompatibility = "11"
//}
publishToSonatype {
groupId = Extras.group
artifactId = Extras.id
version = Extras.version
name = Extras.name
description = Extras.description
url = Extras.url
vendor = Extras.vendor
vendorUrl = Extras.vendorUrl
issueManagement {
url = "${Extras.url}/issues"
nickname = "Gitea Issues"
}
developer {
id = "dorkbox"
name = Extras.vendor
email = "email@dorkbox.com"
}
}

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settings.gradle.kts Normal file
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/*
* Copyright 2021 dorkbox, llc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

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/*
* Copyright 2016 dorkbox, llc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package dorkbox.javaFx;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;
import org.slf4j.LoggerFactory;
import dorkbox.swt.Swt;
/**
* Utility methods for JavaFX.
*/
public
class JavaFx {
public final static boolean isLoaded;
public final static boolean isGtk3;
static {
// There is a silly amount of redirection, simply because we have to be able to access JavaFX, but only if it's in use.
// Since this class is the place other code interacts with, we can use JavaFX stuff if necessary without loading/linking
// the JavaFX classes by accident
// We cannot use getToolkit(), because if JavaFX is not being used, calling getToolkit() will initialize it...
// see: https://bugs.openjdk.java.net/browse/JDK-8090933
Class<?> javaFxLoggerClass = AccessController.doPrivileged(new PrivilegedAction<Class<?>>() {
@Override
public
Class<?> run() {
try {
return Class.forName("com.sun.javafx.logging.PlatformLogger", true, ClassLoader.getSystemClassLoader());
} catch (Exception ignored) {
}
try {
return Class.forName("com.sun.javafx.logging.PlatformLogger", true, Thread.currentThread().getContextClassLoader());
} catch (Exception ignored) {
}
return null;
}
});
boolean isJavaFxLoaded_ = false;
try {
if (javaFxLoggerClass != null) {
// this is important to use reflection, because if JavaFX is not being used, calling getToolkit() will initialize it...
Method m = ClassLoader.class.getDeclaredMethod("findLoadedClass", String.class);
m.setAccessible(true);
ClassLoader cl = ClassLoader.getSystemClassLoader();
isJavaFxLoaded_ = (null != m.invoke(cl, "com.sun.javafx.tk.Toolkit")) || (null != m.invoke(cl, "javafx.application.Application"));
}
} catch (Throwable e) {
LoggerFactory.getLogger(JavaFx.class).debug("Error detecting if JavaFX is loaded", e);
}
boolean isJavaFxGtk3_ = false;
if (isJavaFxLoaded_) {
// JavaFX Java7,8 is GTK2 only. Java9 can MAYBE have it be GTK3 if `-Djdk.gtk.version=3` is specified
// see
// http://mail.openjdk.java.net/pipermail/openjfx-dev/2016-May/019100.html
// https://docs.oracle.com/javafx/2/system_requirements_2-2-3/jfxpub-system_requirements_2-2-3.htm
// from the page: JavaFX 2.2.3 for Linux requires gtk2 2.18+.
// HILARIOUSLY enough, you can use JavaFX + SWT..... And the javaFX GTK version info SHOULD
// be based on what SWT has loaded
// https://github.com/teamfx/openjfx-9-dev-rt/blob/master/modules/javafx.graphics/src/main/java/com/sun/glass/ui/gtk/GtkApplication.java
String fullJavaVersion = System.getProperty("java.version", "");
if (fullJavaVersion.startsWith("1.") && fullJavaVersion.charAt(2) == '8') {
// JavaFX from Oracle Java 8 is GTK2 only. Java9 can have it be GTK3 if -Djdk.gtk.version=3 is specified
// see http://mail.openjdk.java.net/pipermail/openjfx-dev/2016-May/019100.html
isJavaFxGtk3_ = false;
} else {
// Only possible Java9+ (so our case, Java11+ since 9 is no longer available, 11 is officially LTS)
if (Swt.isLoaded && !Swt.isGtk3) {
isJavaFxGtk3_ = AccessController.doPrivileged(new PrivilegedAction<Boolean>() {
@Override
public
Boolean run() {
String version = System.getProperty("jdk.gtk.version", "2");
return "3".equals(version) || version.startsWith("3.");
}
});
}
}
}
isLoaded = isJavaFxLoaded_;
isGtk3 = isJavaFxGtk3_;
}
public static
void dispatch(final Runnable runnable) {
JavaFxAccess.dispatch(runnable);
}
public static
boolean isEventThread() {
return JavaFxAccess.isEventThread();
}
public static
void onShutdown(final Runnable runnable) {
JavaFxAccess.onShutdown(runnable);
}
}

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/*
* Copyright 2016 dorkbox, llc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package dorkbox.javaFx;
/**
* Utility methods for JavaFX.
* <p>
* We use reflection for these methods so that we can compile everything under a version of Java that might not have JavaFX.
*/
public
class JavaFxAccess {
static
void dispatch(final Runnable runnable) {
javafx.application.Platform.runLater(runnable);
}
static
boolean isEventThread() {
// JAVA 8
return com.sun.javafx.tk.Toolkit.getToolkit().isFxUserThread();
}
public static
void onShutdown(final Runnable runnable) {
com.sun.javafx.tk.Toolkit.getToolkit().addShutdownHook(runnable);
}
}

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/*
* Copyright 2016 dorkbox, llc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package dorkbox.swt;
import java.security.AccessController;
import java.security.PrivilegedAction;
/**
* Utility methods for SWT. SWT is always available for compiling, so it is not necessary to use reflection to compile it.
* <p>
* SWT system tray types are GtkStatusIcon trays (so we don't want to use them)
*/
public
class Swt {
public final static boolean isLoaded;
public final static boolean isGtk3;
private static final int version;
// NOTE: This class cannot have SWT **ANYTHING** in it
static {
// There is a silly amount of redirection, simply because we have to be able to access SWT, but only if it's in use.
// Since this class is the place other code interacts with, we can use SWT stuff if necessary without loading/linking
// the SWT classes by accident
Class<?> swtErrorClass = AccessController.doPrivileged(new PrivilegedAction<Class<?>>() {
@Override
public
Class<?> run() {
try {
return Class.forName("org.eclipse.swt.SWTError", true, ClassLoader.getSystemClassLoader());
} catch (Exception ignored) {
}
try {
return Class.forName("org.eclipse.swt.SWTError", true, Thread.currentThread().getContextClassLoader());
} catch (Exception ignored) {
}
return null;
}
});
if (swtErrorClass != null && SwtAccess.isLoadable()) {
// this means that SWT is available in the system at runtime. We use the error class because that DOES NOT initialize anything
version = SwtAccess.getVersion();
isLoaded = true;
isGtk3 = SwtAccess.isGtk3();
SwtAccess.init();
} else {
version = 0;
isLoaded = false;
isGtk3 = false;
}
}
public static
int getVersion() {
return version;
}
public static
void dispatch(final Runnable runnable) {
SwtAccess.dispatch(runnable);
}
public static
boolean isEventThread() {
return SwtAccess.isEventThread();
}
public static
void onShutdown(final Runnable runnable) {
SwtAccess.onShutdown(runnable);
}
}

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package dorkbox.swt;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Locale;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
public
class SwtAccess {
private static Display currentDisplay = null;
private static Thread currentDisplayThread = null;
public static
void init() {
// we MUST save this on init, otherwise it is "null" when methods are run from the swing EDT.
currentDisplay = org.eclipse.swt.widgets.Display.getCurrent();
currentDisplayThread = currentDisplay.getThread();
}
static
boolean isLoadable() {
return org.eclipse.swt.SWT.isLoadable();
}
static
void onShutdown(final org.eclipse.swt.widgets.Display currentDisplay, final Runnable runnable) {
// currentDisplay.getShells() must only be called inside the event thread!
org.eclipse.swt.widgets.Shell shell = currentDisplay.getShells()[0];
shell.addListener(org.eclipse.swt.SWT.Close, new org.eclipse.swt.widgets.Listener() {
@Override
public
void handleEvent(final org.eclipse.swt.widgets.Event event) {
runnable.run();
}
});
}
static
int getVersion() {
return SWT.getVersion();
}
/**
* This is only necessary for linux.
*
* @return true if SWT is GTK3. False if SWT is GTK2. If for some reason we DO NOT KNOW, then we return false (GTK2).
*/
static boolean isGtk3() {
boolean isLinux = System.getProperty("os.name", "").toLowerCase(Locale.US).startsWith("linux");
if (!isLinux) {
return false;
}
// required to use reflection, because this is an internal class!
final String SWT_INTERNAL_CLASS = "org.eclipse.swt.internal.gtk.OS";
Class<?> osClass = AccessController.doPrivileged(new PrivilegedAction<Class<?>>() {
@Override
public
Class<?> run() {
try {
return Class.forName(SWT_INTERNAL_CLASS, true, ClassLoader.getSystemClassLoader());
} catch (Exception ignored) {
}
try {
return Class.forName(SWT_INTERNAL_CLASS, true, Thread.currentThread().getContextClassLoader());
} catch (Exception ignored) {
}
return null;
}
});
if (osClass == null) {
return false;
}
final Class<?> clazz = osClass;
Method method = AccessController.doPrivileged(new PrivilegedAction<Method>() {
@Override
public
Method run() {
try {
return clazz.getMethod("gtk_major_version");
} catch (Exception e) {
return null;
}
}
});
if (method == null) {
return false;
}
int version = 0;
try {
version = ((Number)method.invoke(osClass)).intValue();
} catch (Exception ignored) {
// this method doesn't exist.
}
return version == 3;
}
static
void dispatch(final Runnable runnable) {
currentDisplay.syncExec(runnable);
}
static
boolean isEventThread() {
return Thread.currentThread() == currentDisplayThread;
}
static
void onShutdown(final Runnable runnable) {
// currentDisplay.getShells() must only be called inside the event thread!
if (isEventThread()) {
SwtAccess.onShutdown(currentDisplay, runnable);
} else {
dispatch(new Runnable() {
@Override
public
void run() {
SwtAccess.onShutdown(currentDisplay, runnable);
}
});
}
}
}