Use system's JDK and JFX again

Squashed commit of the following:

commit f7d64a33e7c880ae63638bcb4a46ee6370cc7fa8
Author: Torben <git@letorbi.com>
Date:   Thu Oct 14 21:48:33 2021 +0200

    Use system's JFX and other fixes

commit 10c005c6da73ae1dbb7400a6e879ae64bc262d4b
Author: Torben <git@letorbi.com>
Date:   Thu Oct 14 21:29:16 2021 +0200

    Add .zst files to ignore file

commit 6a736e5b50d462165be8042b1b069fafaa343365
Author: Torben <git@letorbi.com>
Date:   Tue Oct 12 00:32:35 2021 +0200

    Disable native file dialog

commit 1f26bc8e1e4f6b8f7967be804a2286a72cad507c
Author: Torben <git@letorbi.com>
Date:   Tue Oct 12 00:12:15 2021 +0200

    Associate processing sketch files with application

commit a1458bb96c2b08fd30b3312d067c2ddc727bd0b1
Author: Torben <git@letorbi.com>
Date:   Thu Oct 14 15:34:58 2021 +0200

    Fix patch files to work with Java 17

commit 0ce2901087b481e73ff8114427041c4f99b7637c
Author: Torben <git@letorbi.com>
Date:   Tue Oct 12 00:09:57 2021 +0200

    Require and use java-openjdk-17

commit 5f9cb148df94cc56558fa915112e02c48df467e8
Author: Torben <git@letorbi.com>
Date:   Tue Oct 12 00:09:08 2021 +0200

    Use processing instead of processing4 as command name

commit 993af15aa871e52ed81423e88b98c476ee6d6fc3
Author: Torben <git@letorbi.com>
Date:   Sat Jul 17 19:52:20 2021 +0200

    Use official versioning scheme for VCS packages; Update .SRCINFO

8 files changed, 193 insertions, 13 deletions

diff --git a/.SRCINFO b/.SRCINFO
index ab207e2f0ecd..d045a3d2d13c 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,25 +1,35 @@
 pkgbase = processing4-git
 	pkgdesc = Programming environment for creating images, animations and interactions
-	pkgver = 4.0b2.r23.g272801f95
-	pkgrel = 2
+	pkgver = 4.0b2.r27.gc9b8a00e7
+	pkgrel = 1
 	url = https://github.com/processing/processing4
 	arch = x86_64
 	license = GPL
 	license = LGPL
-	makedepends = java-environment=17
 	makedepends = ant
 	makedepends = gendesk
 	makedepends = unzip
-	depends = libgl
+	depends = jdk-openjdk
+	depends = java11-openjfx
 	provides = processing
 	provides = processing4
 	conflicts = processing
 	options = !strip
 	source = https://download.processing.org/reference.zip
-	source = disable_update_check.patch
 	source = disable_native_dialogs.patch
+	source = disable_update_check.patch
+	source = fix_theme_engine.patch
+	source = no_jdk_download.patch
+	source = no_jfx_download.patch
+	source = use_system_jdk.patch
+	source = use_system_libraries.patch
 	sha256sums = fabe7420a714f450a6b1430f13fc46f14ba52db57af360365c6a7fd96d0b642f
-	sha256sums = 35c4538e6e57c0ea296c6cea590cabeb2b0772f9a431838df270dcc581321e30
 	sha256sums = 500d00811031c0445416b6112972aa1f7a377092dd3b8565d79ead3fdfc62451
+	sha256sums = 35c4538e6e57c0ea296c6cea590cabeb2b0772f9a431838df270dcc581321e30
+	sha256sums = 24b8a3e18b6e3a0de9422e4dbde46cceb91385f7ad6bdc89ec0a9614e082c977
+	sha256sums = 0ef5266575db0fe6bde436e5a3205ca848440b3006bccb4c20fe8d7b98951ee9
+	sha256sums = dc733c1cb5a41cb06ef0f9ea01d701fd9ac7713b5817b4fe79d7076a505a7c44
+	sha256sums = aa77c001eb5de9e211bb38d06c17483d81450fa0667748c44fba6d04fa329732
+	sha256sums = 15119264b6ae7b154f033261ba93535c2d1b5e2b9d849f3999dd7881cc9e49cb
 
 pkgname = processing4-git
diff --git a/.gitignore b/.gitignore
index 819b71006ebb..5c3b3669e3c6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 /*.pkg.tar.xz
+/*.pkg.tar.zst
 /*.tar.gz
 /*.zip
 /src
diff --git a/PKGBUILD b/PKGBUILD
index fdf800d45797..1b021192d3d9 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,23 +1,33 @@
 # Maintainer: Torben <git at letorbi dot com>
 
 pkgname=processing4-git
-pkgver=4.0b2.r23.g272801f95
-pkgrel=2
+pkgver=4.0b2.r27.gc9b8a00e7
+pkgrel=1
 arch=(x86_64)
 pkgdesc='Programming environment for creating images, animations and interactions'
 url='https://github.com/processing/processing4'
 license=(GPL LGPL)
 provides=('processing' 'processing4')
 conflicts=('processing')
-depends=('libgl')
-makedepends=('java-environment=17' 'ant' 'gendesk' 'unzip')
+depends=( 'jdk-openjdk' 'java11-openjfx')
+makedepends=('ant' 'gendesk' 'unzip')
 options=(!strip)
 source=('https://download.processing.org/reference.zip'
+        disable_native_dialogs.patch
         disable_update_check.patch
-        disable_native_dialogs.patch)
+        fix_theme_engine.patch
+        no_jdk_download.patch
+        no_jfx_download.patch
+        use_system_jdk.patch
+        use_system_libraries.patch)
 sha256sums=('fabe7420a714f450a6b1430f13fc46f14ba52db57af360365c6a7fd96d0b642f'
+            '500d00811031c0445416b6112972aa1f7a377092dd3b8565d79ead3fdfc62451'
             '35c4538e6e57c0ea296c6cea590cabeb2b0772f9a431838df270dcc581321e30'
-            '500d00811031c0445416b6112972aa1f7a377092dd3b8565d79ead3fdfc62451')
+            '24b8a3e18b6e3a0de9422e4dbde46cceb91385f7ad6bdc89ec0a9614e082c977'
+            '0ef5266575db0fe6bde436e5a3205ca848440b3006bccb4c20fe8d7b98951ee9'
+            'dc733c1cb5a41cb06ef0f9ea01d701fd9ac7713b5817b4fe79d7076a505a7c44'
+            'aa77c001eb5de9e211bb38d06c17483d81450fa0667748c44fba6d04fa329732'
+            '15119264b6ae7b154f033261ba93535c2d1b5e2b9d849f3999dd7881cc9e49cb')
 
 pkgver() {
   cd "$srcdir/$pkgname"
@@ -38,6 +48,17 @@ prepare() {
   mkdir -p $pkgname/java
   cp reference.zip $pkgname/java/
 
+  # Don't download JDK and JFX files during Ant's build process
+  patch $pkgname/build/build.xml < no_jdk_download.patch
+  patch $pkgname/java/libraries/javafx/build.xml < no_jfx_download.patch
+
+  # Use system libraries during build process
+  patch $pkgname/core/build.xml < use_system_libraries.patch
+  patch $pkgname/build/shared/tools/ThemeEngine/build.xml < fix_theme_engine.patch
+
+  # Use system JDK to start processing
+  patch $pkgname/build/linux/processing < use_system_jdk.patch
+
   # Disable update check in default preferences
   patch $pkgname/build/shared/lib/defaults.txt < disable_update_check.patch
 
@@ -48,7 +69,7 @@ prepare() {
 build() {
   cd "$pkgname/build"
 
-  PATH="/usr/lib/jvm/java-17-openjdk/bin/:$PATH" ant build
+  JAVA_HOME="/usr/lib/jvm/java-17-openjdk" ant build
 }
 
 package() {
@@ -68,4 +89,9 @@ package() {
   # Symbolic links in /usr/bin
   ln -s "/usr/share/processing/processing" "$pkgdir/usr/bin/processing"
   ln -s "/usr/share/processing/processing-java" "$pkgdir/usr/bin/processing-java"
+
+  # Redirect processing's internal java-command to the system's one
+  mkdir -p "$pkgdir/usr/share/processing/java/bin/"
+  echo -e '#!/bin/sh\n/usr/lib/jvm/java-17-openjdk/bin/java "$@"' > "$pkgdir/usr/share/processing/java/bin/java"
+  chmod a+x "$pkgdir/usr/share/processing/java/bin/java"
 }
diff --git a/fix_theme_engine.patch b/fix_theme_engine.patch
new file mode 100644
index 000000000000..231d12d5ffc0
--- /dev/null
+++ b/fix_theme_engine.patch
@@ -0,0 +1,20 @@
+--- a/build/shared/tools/ThemeEngine/build.xml
++++ b/build/shared/tools/ThemeEngine/build.xml
+@@ -6,7 +6,7 @@
+   <property name="core.bin.path" location="../../../../core/bin" />
+ 
+   <property name="javafx.path"
+-            location="../../../../java/libraries/javafx/library/macosx" />
++            location="/usr/lib/jvm/java-17-openjdk/lib/" />
+ 
+   <target name="clean" description="Clean the build directories">
+     <delete dir="bin" />
+@@ -26,7 +26,7 @@
+         <pathelement location="${app.bin.path}" />
+         <pathelement location="${core.bin.path}" />
+ 
+-        <fileset dir="${javafx.path}/modules">
++        <fileset dir="${javafx.path}">
+           <include name="**/*.jar" />
+         </fileset>
+       </classpath>
diff --git a/no_jdk_download.patch b/no_jdk_download.patch
new file mode 100644
index 000000000000..550c37374d96
--- /dev/null
+++ b/no_jdk_download.patch
@@ -0,0 +1,66 @@
+--- a/build/build.xml
++++ b/build/build.xml
+@@ -1008,7 +1008,7 @@
+       </if>
+   </target>
+ 
+-  <target name="linux-build" depends="ignore-tools, check-linux-arm32, check-linux-arm64, revision-check, linux-check-os, jdk-download, subprojects-build, subprojects-build-linux-arm32, subprojects-build-linux-arm64" description="Build Linux version">
++  <target name="linux-build" depends="ignore-tools, check-linux-arm32, check-linux-arm64, revision-check, linux-check-os, subprojects-build, subprojects-build-linux-arm32, subprojects-build-linux-arm64" description="Build Linux version">
+     <mkdir dir="linux/work" />
+ 
+     <copy todir="linux/work" preservelastmodified="true">
+@@ -1098,54 +1098,6 @@
+     <copy file="linux/processing-pde.xml" todir="linux/work/lib" />
+     <copy file="linux/appdata.xml" todir="linux/work/lib" />
+     <copy file="linux/desktop.template" todir="linux/work/lib" />
+-
+-<!--
+-    Cannot use ant version of tar because it doesn't preserve properties.
+-    <untar compression="gzip"
+-           dest="linux/work"
+-           src="linux/jdk.tgz"
+-           overwrite="false"/>
+--->
+-
+-<!--
+-    http://www.gnu.org/software/tar/manual/html_section/transform.html
+--->
+-    <exec executable="tar" dir="linux">
+-      <!-- Change directory -->
+-      <!--
+-      <arg value="-C" />
+-      <arg value="linux/work" />
+-      <arg value="-xzpf" />
+-      -->
+-      <arg value="xfz" />
+-      <arg value="../${jdk.tgz.path}"/>
+-    </exec>
+-
+-    <property name="jdk.dir" value="jdk-${jdk.detail}+${jdk.build}/" />
+-
+-    <exec executable="rsync" dir="linux">
+-      <arg value="-a" />
+-      <arg value="--delete" />
+-      <arg value="${jdk.dir}" />
+-      <arg value="work/java/" />
+-    </exec>
+-
+-    <!-- Remove unused JRE bloat. -->
+-    <delete failonerror="true">
+-      <fileset refid="jdk-optional-linux" />
+-    </delete>
+-
+-    <exec executable="rm">
+-      <arg value="-r"/>
+-      <arg line="linux/jdk-${jdk.detail}+${jdk.build}"/>
+-    </exec>
+-
+-    <!--
+-    <exec executable="rm">
+-      <arg value="-r"/>
+-      <arg line="${jfx.path.dist}"/>
+-    </exec>
+-    -->
+   </target>
+ 
+   <target name="linux-run" depends="linux-build"
diff --git a/no_jfx_download.patch b/no_jfx_download.patch
new file mode 100644
index 000000000000..d000da10b992
--- /dev/null
+++ b/no_jfx_download.patch
@@ -0,0 +1,11 @@
+--- a/java/libraries/javafx/build.xml
++++ b/java/libraries/javafx/build.xml
+@@ -167,7 +167,6 @@
+            nowarn="true" />
+   </target>
+ 
+-  <target name="build" depends="compile" description="Build JavaFX renderer">
+-    <jar basedir="bin" destfile="library/javafx.jar" />
++  <target name="build" description="Build JavaFX renderer">
+   </target>
+ </project>
diff --git a/use_system_jdk.patch b/use_system_jdk.patch
new file mode 100644
index 000000000000..468aa005938b
--- /dev/null
+++ b/use_system_jdk.patch
@@ -0,0 +1,20 @@
+--- a/build/linux/processing
++++ b/build/linux/processing
+@@ -66,7 +66,7 @@ APPDIR=`dirname "$APPDIR"`
+ log APPDIR
+ 
+ # Try using a local JDK from the same directory as this script
+-JDKDIR=`readlink -f "$APPDIR/java"`
++JDKDIR=`readlink -f /usr/lib/jvm/java-17-openjdk`
+ make_jdkcp "$JDKDIR"
+ log SUCCESS
+ 
+@@ -113,6 +113,6 @@ else
+   fi
+   cd "$APPDIR"
+ 
+-  #java -splash:lib/about-1x.png -Djna.nosys=true -Djava.library.path=lib:modes/java/libraries/javafx/library/linux64 --module-path=modes/java/libraries/javafx/library/linux64/modules --add-modules=javafx.base,javafx.controls,javafx.fxml,javafx.graphics,javafx.media,javafx.swing,javafx.web -Xmx512m processing.app.Base "$SKETCH" &
+-  java -Djna.nosys=true -Dpython.console.encoding=UTF-8 -Djava.library.path=lib:modes/java/libraries/javafx/library/linux64 --module-path=modes/java/libraries/javafx/library/linux64/modules --add-modules=javafx.base,javafx.controls,javafx.fxml,javafx.graphics,javafx.media,javafx.swing,javafx.web -Xmx512m processing.app.ui.Splash "$SKETCH" &
++  #java -splash:lib/about-1x.png -Djna.nosys=true -Djava.library.path=lib:/usr/lib/jvm/java-17-openjdk/lib --module-path=/usr/lib/jvm/java-17-openjdk/lib --add-modules=javafx.base,javafx.controls,javafx.fxml,javafx.graphics,javafx.media,javafx.swing,javafx.web -Xmx512m processing.app.Base "$SKETCH" &
++  java -Djna.nosys=true -Dpython.console.encoding=UTF-8 -Djava.library.path=lib:/usr/lib/jvm/java-11-openjfx/lib --module-path=/usr/lib/jvm/java-11-openjfx/lib --add-modules=javafx.base,javafx.controls,javafx.fxml,javafx.graphics,javafx.media,javafx.swing,javafx.web -Xmx512m processing.app.ui.Splash "$SKETCH" &
+ fi
diff --git a/use_system_libraries.patch b/use_system_libraries.patch
new file mode 100644
index 000000000000..67d2871b301b
--- /dev/null
+++ b/use_system_libraries.patch
@@ -0,0 +1,26 @@
+diff --git a/core/build.xml b/core/build.xml
+index db633fff9..f984ae71c 100644
+--- a/core/build.xml
++++ b/core/build.xml
+@@ -66,14 +66,14 @@
+     <pathelement location="library/gluegen-rt.jar" />
+ 
+     <!-- <pathelement location="library/javafx-swt.jar" /> -->
+-    <pathelement location="library/javafx.base.jar" />
+-    <pathelement location="library/javafx.controls.jar" />
+-    <pathelement location="library/javafx.fxml.jar" />
+-    <pathelement location="library/javafx.graphics.jar" />
+-    <pathelement location="library/javafx.media.jar" />
++    <pathelement location="/usr/lib/jvm/java-17-openjdk/lib/javafx.base.jar" />
++    <pathelement location="/usr/lib/jvm/java-17-openjdk/lib/javafx.controls.jar" />
++    <pathelement location="/usr/lib/jvm/java-17-openjdk/lib/javafx.fxml.jar" />
++    <pathelement location="/usr/lib/jvm/java-17-openjdk/lib/javafx.graphics.jar" />
++    <pathelement location="/usr/lib/jvm/java-17-openjdk/lib/javafx.media.jar" />
+     <!-- error? it's not a .jar, but is this how config is handled? [fry 210619] -->
+-    <pathelement location="library/javafx.properties" />
+-    <pathelement location="library/javafx.swing.jar" />
++    <pathelement location="/usr/lib/jvm/java-17-openjdk/lib/javafx.properties" />
++    <pathelement location="/usr/lib/jvm/java-17-openjdk/lib/javafx.swing.jar" />
+     <!-- <pathelement location="library/javafx.web.jar" /> -->
+   </path>
+