SessionCtl // Extract resetCandidateWindowOrigin().

Packages/vChewing_Shared/Sources/Shared/Protocols/CtlCandidateProtocol.swift

@@ -14,6 +14,7 @@ public protocol CtlCandidateDelegate {
   func candidatePairHighlightChanged(at index: Int)
   func candidatePairRightClicked(at index: Int, action: CandidateContextMenuAction)
   func candidates(_ sender: Any!) -> [Any]!
+  func resetCandidateWindowOrigin()
   @discardableResult func reverseLookup(for value: String) -> [String]
   var selectionKeys: String { get }
   var isVerticalTyping: Bool { get }

Source/Modules/SessionCtl_HandleDisplay.swift

@@ -144,6 +144,10 @@ public extension SessionCtl {
     candidateUI?.delegate = self // 會自動觸發田所選字窗的資料重載。
     candidateUI?.visible = true
 
+    resetCandidateWindowOrigin()
+  }
+
+  func resetCandidateWindowOrigin() {
     if isVerticalTyping {
       candidateUI?.set(
         windowTopLeftPoint: NSPoint(