InputHandler // Fix several issues with Pinyin handling.

- Stop committing unfinished pinyin.
- Detect isReadingKeyNotEmpty for Tekkon RomajiBuffer.

Source/Modules/InputHandler_HandleComposition.swift

@@ -86,7 +86,11 @@ extension InputHandler {
     // 這裡必須使用 composer.value.isEmpty，因為只有這樣才能真正檢測 composer 是否已經有陰平聲調了。
     composeReading = composeReading || (!composer.isEmpty && confirmCombination)
     // readingKey 不能為空。
-    composeReading = composeReading && !readingKey.isEmpty
+    var isReadingKeyNotEmpty = !readingKey.isEmpty
+    if isComposerUsingPinyin {
+      isReadingKeyNotEmpty = isReadingKeyNotEmpty || !composer.romajiBuffer.isEmpty
+    }
+    composeReading = composeReading && isReadingKeyNotEmpty
     if composeReading {
       if input.isControlHold, input.isCommandHold, input.isEnter,
          !input.isOptionHold, !input.isShiftHold, compositor.isEmpty

Source/Modules/InputHandler_HandleInput.swift

@@ -207,7 +207,7 @@ extension InputHandler {
             delegate.switchState(inputting)
           } else {
             let displayedText = state.displayedText
-            if !displayedText.isEmpty {
+            if !displayedText.isEmpty, !isConsideredEmptyForNow {
               delegate.switchState(IMEState.ofCommitting(textToCommit: displayedText))
             }
             delegate.switchState(IMEState.ofCommitting(textToCommit: " "))