feat: allow moving over right scope parenthesis with tab

src/main/kotlin/com/github/lppedd/cc/action/CommitTabAction.kt

@@ -0,0 +1,12 @@
+package com.github.lppedd.cc.action
+
+import com.intellij.openapi.editor.actions.TabAction
+
+/**
+ * @author Edoardo Luppi
+ */
+internal class CommitTabAction : TabAction() {
+  init {
+    setupHandler(CommitTabHandler())
+  }
+}

src/main/kotlin/com/github/lppedd/cc/action/CommitTabHandler.kt

@@ -0,0 +1,50 @@
+package com.github.lppedd.cc.action
+
+import com.github.lppedd.cc.CCEditorUtils
+import com.github.lppedd.cc.CCParser
+import com.intellij.openapi.actionSystem.DataContext
+import com.intellij.openapi.editor.Caret
+import com.intellij.openapi.editor.Editor
+import com.intellij.openapi.editor.EditorModificationUtil
+import com.intellij.openapi.editor.actions.TabAction.Handler
+import com.intellij.openapi.util.Key
+import com.intellij.openapi.vcs.ui.CommitMessage
+
+/**
+ * @author Edoardo Luppi
+ */
+internal class CommitTabHandler : Handler() {
+  companion object {
+    private val MOVE_CARET = Key.create<Unit>("Vcs.CommitMessage.moveCaret")
+  }
+
+  override fun executeWriteAction(editor: Editor, caret: Caret?, dataContext: DataContext) {
+    val document = editor.document
+
+    if (document.getUserData(MOVE_CARET) != null) {
+      EditorModificationUtil.moveCaretRelatively(editor, 1)
+      document.putUserData(MOVE_CARET, null)
+    } else {
+      super.executeWriteAction(editor, caret, dataContext)
+    }
+  }
+
+  override fun isEnabled(editor: Editor, dataContext: DataContext): Boolean {
+    val document = editor.document
+
+    if (document.getUserData(CommitMessage.DATA_KEY) != null) {
+      val lineRange = CCEditorUtils.getCurrentLineRange(editor)
+      val lineText = document.text.substring(lineRange.first, lineRange.last)
+      val lineCaretOffset = editor.caretModel.offset - lineRange.first
+      val scope = CCParser.parseText(lineText).scope
+
+      if (scope.isValid && lineCaretOffset == scope.range.last) {
+        document.putUserData(MOVE_CARET, Unit)
+        return true
+      }
+    }
+
+    @Suppress("DEPRECATION")
+    return super.isEnabled(editor, dataContext)
+  }
+}

src/main/resources/META-INF/plugin.xml

@@ -13,6 +13,14 @@
 
   <resource-bundle>messages.ConventionalCommitBundle</resource-bundle>
 
+  <actions>
+    <action
+        id="EditorTab"
+        overrides="true"
+        class="com.github.lppedd.cc.action.CommitTabAction"
+    />
+  </actions>
+
   <extensions defaultExtensionNs="com.intellij">
     <iconProvider implementation="com.github.lppedd.cc.icon.CCConfigFileIconProvider" />