codejive · quintesse · Dec 17, 2025 · Feb 17, 2025 · Feb 17, 2025 · Feb 18, 2025
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -17,10 +17,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: actions/setup-java@v4
       with:
-        java-version: '11'
+        java-version: '17'
         distribution: 'temurin'
         cache: maven
     - name: Build with Maven

diff --git a/.gitignore b/.gitignore
@@ -24,10 +24,10 @@ hs_err_pid*
 
 .vscode
 .idea
+*.iml
 
 target
 build
 lib
 out
 dependency-reduced-pom.xml
-
diff --git a/README.md b/README.md
@@ -1,7 +1,7 @@
 
-# Context
+# Twinkle
 
-Context is a Java library for creating advanced user interfaces inside a console window
+Twinkle is a Java library for creating advanced text-based user interfaces.
 
 This is a very early proof of concept, nothing to see here (yet)
 
@@ -10,20 +10,24 @@ This is a very early proof of concept, nothing to see here (yet)
 To build the project, run the following command:
 
 ```bash
-mvn clean package
+./mvnw clean package
 ```
 
 ## Running
 
-To see a simple demo of panels being drawn randomly on the screen, run the following command:
+To see a couple of very early demos, run the following commands:
 
 ```bash
-java -cp target/context-1.0-SNAPSHOT.jar <example_class>
+java -cp twinkle-chart/target/twinkle-chart-1.0-SNAPSHOT.jar:twinkle-core/target/twinkle-core-1.0-SNAPSHOT.jar:twinkle-ansi/target/twinkle-ansi-1.0-SNAPSHOT.jar:twinkle-chart/target/test-classes examples.BarDemo
+java -cp twinkle-chart/target/twinkle-chart-1.0-SNAPSHOT.jar:twinkle-core/target/twinkle-core-1.0-SNAPSHOT.jar:twinkle-ansi/target/twinkle-ansi-1.0-SNAPSHOT.jar:twinkle-chart/target/test-classes examples.MathPlotDemo
 ```
 
-Where `<example_class>` is one of the following:
+An easier way to run the demos is using [JBang](https://www.jbang.dev/):
 
-- examples.Boxes
-- examples.FullPanel
-- examples.InlinePanel
-- examples.SimpleDom
+```bash
+./mvnw install -DskipTests
+jbang run examples/BarDemo.java
+jbang run examples/MathPlotDemo.java
+```
+
+These demos only show Twinkle's Ansi output capabilities. There is no interactivity being shown.
diff --git a/app.yml b/app.yml
@@ -0,0 +1,16 @@
+name: twinkle
+description: Twinkle is a Java library for creating advanced text-based user interfaces.
+authors:
+- Tako Schotanus (tako@codejive.org)
+links:
+  homepage: https://github.com/codejive/java-twinkle
+  repository: https://github.com/codejive/java-twinkle
+  documentation: https://github.com/codejive/java-twinkle/blob/main/README.md
+java: 8
+dependencies:
+actions:
+  clean: ./mvnw clean
+  build: ./mvnw spotless:apply package -DskipTests
+  test: ./mvnw test
+  runbar: java -cp twinkle-chart/target/twinkle-chart-1.0-SNAPSHOT.jar:twinkle-core/target/twinkle-core-1.0-SNAPSHOT.jar:twinkle-ansi/target/twinkle-ansi-1.0-SNAPSHOT.jar:twinkle-chart/target/test-classes examples.BarDemo
+  runplot: java -cp twinkle-chart/target/twinkle-chart-1.0-SNAPSHOT.jar:twinkle-core/target/twinkle-core-1.0-SNAPSHOT.jar:twinkle-ansi/target/twinkle-ansi-1.0-SNAPSHOT.jar:twinkle-chart/target/test-classes examples.PlotDemo
diff --git a/jbang-catalog.json b/jbang-catalog.json
@@ -0,0 +1,16 @@
+{
+  "aliases": {
+    "BarDemo": {
+      "script-ref": "twinkle-chart\\src\\test\\java\\examples\\BarDemo.java",
+      "dependencies": [
+        "org.codejive.twinkle:twinkle-chart:1.0-SNAPSHOT"
+      ]
+    },
+    "MathPlotDemo": {
+      "script-ref": "twinkle-chart\\src\\test\\java\\examples\\MathPlotDemo.java",
+      "dependencies": [
+        "org.codejive.twinkle:twinkle-chart:1.0-SNAPSHOT"
+      ]
+    }
+  }
+}
diff --git a/jreleaser.yml b/jreleaser.yml
@@ -0,0 +1,69 @@
+project:
+  name: twinkle
+  description: Java TUI Library
+  longDescription: |
+    Twinkle is a Java library for creating advanced text-based user interfaces.
+  authors:
+    - Tako Schotanus
+  tags:
+    - java
+    - tui
+    - console
+  license: Apache-2.0
+  links:
+    homepage: https://github.com/codejive/java-twinkle
+  languages:
+    java:
+      groupId: org.codejive.twinkle
+      version: '8'
+  inceptionYear: '2025'
+  stereotype: NONE
+
+assemble:
+  javaArchive:
+    twinkle:
+      active: ALWAYS
+      formats:
+        - ZIP
+        - TGZ
+      mainJar:
+        path: 'target/{{distributionName}}-{{projectVersion}}.jar'
+      jars:
+        - pattern: 'target/binary/lib/*.jar'
+      fileSets:
+        - input: '.'
+          includes:
+            - 'LICENSE'
+
+deploy:
+  maven:
+    mavenCentral:
+      twinkle:
+        active: RELEASE
+        url: https://central.sonatype.com/api/v1/publisher
+        stagingRepositories:
+          - target/staging-deploy
+
+release:
+  github:
+    owner: codejive
+    name: java-twinkle
+    overwrite: true
+    changelog:
+      formatted: ALWAYS
+      preset: conventional-commits
+      contributors:
+        format: '- {{contributorName}}{{#contributorUsernameAsLink}} ({{.}}){{/contributorUsernameAsLink}}'
+
+checksum:
+  individual: true
+
+signing:
+  active: ALWAYS
+  armored: true
+
+distributions:
+  twinkle:
+    artifacts:
+      - path: target/jreleaser/assemble/{{distributionName}}/java-archive/{{distributionName}}-{{projectVersion}}.zip
+      - path: target/jreleaser/assemble/{{distributionName}}/java-archive/{{distributionName}}-{{projectVersion}}.zip
diff --git a/pom.xml b/pom.xml
@@ -4,34 +4,49 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>org.codejive</groupId>
-    <artifactId>context</artifactId>
+    <groupId>org.codejive.twinkle</groupId>
+    <artifactId>twinkle</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <packaging>pom</packaging>
 
     <properties>
-        <maven.compiler.source>8</maven.compiler.source>
-        <maven.compiler.target>8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-
-        <version.jline>3.30.3</version.jline>
-
         <spotless.version>2.44.4</spotless.version>
         <google-java-format.version>1.22.0</google-java-format.version>
+        <version.jspecify>1.0.0</version.jspecify>
+        <version.junit>6.0.1</version.junit>
+        <version.assertj>3.27.6</version.assertj>
     </properties>
 
+    <modules>
+        <module>twinkle-core</module>
+        <module>twinkle-ansi</module>
+        <module>twinkle-chart</module>
+        <!-- module>twinkle-tui</module -->
+    </modules>
+
     <dependencies>
         <dependency>
-            <groupId>org.jline</groupId>
-            <artifactId>jline-terminal</artifactId>
-            <version>${version.jline}</version>
+            <groupId>org.jspecify</groupId>
+            <artifactId>jspecify</artifactId>
+            <version>${version.jspecify}</version>
         </dependency>
+
+        <!-- Test dependencies -->
         <dependency>
-            <groupId>org.jline</groupId>
-            <artifactId>jline-terminal-jansi</artifactId>
-            <version>${version.jline}</version>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>${version.junit}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${version.assertj}</version>
+            <scope>test</scope>
         </dependency>
-    </dependencies>
 
+    </dependencies>
     <build>
         <plugins>
             <plugin>
@@ -43,7 +58,6 @@
                         <format>
                             <includes>
                                 <include>**/*.md</include>
-                                <include>**/*.txt</include>
                                 <include>.gitignore</include>
                             </includes>
                             <trimTrailingWhitespace/>
@@ -73,50 +87,35 @@
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-shade-plugin</artifactId>
-                <executions>
-                    <execution>
-                        <phase>package</phase>
-                        <goals>
-                            <goal>shade</goal>
-                        </goals>
-                        <configuration>
-                            <transformers>
-                                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
-                                    <manifestEntries>
-                                        <Main-Class>examples.Boxes</Main-Class>
-                                    </manifestEntries>
-                                </transformer>
-                            </transformers>
-                        </configuration>
-                    </execution>
-                </executions>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>8</source>
+                    <target>8</target>
+                    <testSource>11</testSource>
+                    <testTarget>11</testTarget>                </configuration>
             </plugin>
         </plugins>
         <pluginManagement>
-            <!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
             <plugins>
-                <!-- clean lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#clean_Lifecycle -->
                 <plugin>
                     <artifactId>maven-clean-plugin</artifactId>
-                    <version>3.4.1</version>
+                    <version>3.5.0</version>
                 </plugin>
-                <!-- default lifecycle, jar packaging: see https://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
                 <plugin>
                     <artifactId>maven-resources-plugin</artifactId>
-                    <version>3.3.1</version>
+                    <version>3.4.0</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-compiler-plugin</artifactId>
-                    <version>3.14.0</version>
+                    <version>3.14.1</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>3.5.3</version>
+                    <version>3.5.4</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-jar-plugin</artifactId>
-                    <version>3.4.2</version>
+                    <version>3.5.0</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-install-plugin</artifactId>
@@ -126,7 +125,6 @@
                     <artifactId>maven-deploy-plugin</artifactId>
                     <version>3.1.4</version>
                 </plugin>
-                <!-- site lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#site_Lifecycle -->
                 <plugin>
                     <artifactId>maven-site-plugin</artifactId>
                     <version>3.21.0</version>
@@ -137,13 +135,14 @@
                 </plugin>
                 <plugin>
                     <artifactId>maven-dependency-plugin</artifactId>
-                    <version>3.8.1</version>
+                    <version>3.9.0</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-shade-plugin</artifactId>
-                    <version>3.6.0</version>
+                    <version>3.6.1</version>
                 </plugin>
             </plugins>
         </pluginManagement>
     </build>
+
 </project>
diff --git a/src/main/java/org/codejive/context/events/Event.java b/src/main/java/org/codejive/context/events/Event.java
diff --git a/src/main/java/org/codejive/context/events/EventTarget.java b/src/main/java/org/codejive/context/events/EventTarget.java
diff --git a/src/main/java/org/codejive/context/terminal/Rectangular.java b/src/main/java/org/codejive/context/terminal/Rectangular.java
diff --git a/src/main/java/org/codejive/context/terminal/Size.java b/src/main/java/org/codejive/context/terminal/Size.java
-Original file line number
+Diff line change
@@ Expand Up / @@ -24,10 +24,10 @@ hs_err_pid* @@
     .vscode
     .idea
+    *.iml
     target
     build
     lib
     out
     dependency-reduced-pom.xml