separate implementation for 2024.2 and 2024.3+

Author: leigaol

plugins/amazonq/codewhisperer/jetbrains-community/src-242/software/aws/toolkits/jetbrains/services/codewhisperer/popup/QManualCall.kt

@@ -19,3 +19,5 @@ fun getManualCallEvent(editor: Editor, isIntelliSenseAccept: Boolean): InlineCom
     }
     return InlineCompletionEvent.DirectCall(editor, editor.caretModel.currentCaret, dataContext)
 }
+
+fun InlineCompletionEvent.isDeletion(): Boolean = false

plugins/amazonq/codewhisperer/jetbrains-community/src-243+/software/aws/toolkits/jetbrains/services/codewhisperer/popup/QManualCall.kt

@@ -5,6 +5,7 @@ package software.aws.toolkits.jetbrains.services.codewhisperer.popup
 import com.intellij.codeInsight.inline.completion.InlineCompletionEvent
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.util.UserDataHolderBase
+import software.aws.toolkits.jetbrains.services.codewhisperer.popup.QInlineCompletionProvider.Companion.DATA_KEY_Q_AUTO_TRIGGER_INTELLISENSE
 import software.aws.toolkits.jetbrains.services.codewhisperer.popup.QInlineCompletionProvider.Companion.KEY_Q_AUTO_TRIGGER_INTELLISENSE
 import software.aws.toolkits.jetbrains.services.codewhisperer.popup.QInlineCompletionProvider.Companion.Q_INLINE_PROVIDER_ID
 
@@ -15,3 +16,7 @@ fun getManualCallEvent(editor: Editor, isIntelliSenseAccept: Boolean): InlineCom
     val data = UserDataHolderBase().apply { this.putUserData(KEY_Q_AUTO_TRIGGER_INTELLISENSE, isIntelliSenseAccept) }
     return InlineCompletionEvent.ManualCall(editor, Q_INLINE_PROVIDER_ID, data)
 }
+
+fun InlineCompletionEvent.isDeletion(): Boolean =
+    this is InlineCompletionEvent.Backspace
+

plugins/amazonq/codewhisperer/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codewhisperer/popup/QInlineCompletionProvider.kt

@@ -404,9 +404,8 @@ class QInlineCompletionProvider(private val cs: CoroutineScope) : InlineCompleti
             CodeWhispererInvocationStatus.getInstance().setIsInvokingQInline(session, false)
         }
 
-        // ideally we want to use if (request.event is InlineCompletionEvent.Backspace) {
-        // but this API is marked as experimental and it will not compile on 2024.2
-        if (request.startOffset == request.endOffset) {
+        // this is only available in 2024.3+
+        if (request.event.isDeletion()) {
             logInline(triggerSessionId) {
                 "Skip inline completion when deleting"
             }