| 1644 | } |
| 1645 | |
| 1646 | void QKeyMapper_Worker::pasteText(HWND window_hwnd, const QString &text, int mode) |
| 1647 | { |
| 1648 | if (text.isEmpty()) { |
| 1649 | return; |
| 1650 | } |
| 1651 | |
| 1652 | #ifdef DEBUG_LOGOUT_ON |
| 1653 | qDebug().noquote().nospace() << "[pasteText] Text length: " << text.length() |
| 1654 | << ", TargetWnd: 0x" << Qt::hex << reinterpret_cast<quintptr>(window_hwnd); |
| 1655 | #endif |
| 1656 | |
| 1657 | #ifdef PASTETEXT_RESTORE_CLIPBOARD |
| 1658 | // Static variables to handle concurrent pasteText calls |
| 1659 | // Strategy: Only restore clipboard if NO concurrent calls occurred during this session |
| 1660 | // This ensures safety when multiple different PasteText mappings are triggered simultaneously |
| 1661 | static QMutex s_pasteTextMutex; |
| 1662 | static HGLOBAL s_hOriginalDataCopy = NULL; |
| 1663 | static bool s_hasOriginalData = false; |
| 1664 | static int s_pasteTextRefCount = 0; |
| 1665 | static bool s_hadConcurrentCalls = false; // Track if concurrency occurred |
| 1666 | static bool s_backupSucceeded = false; // Track if backup operation succeeded (even if clipboard was empty) |
| 1667 | static bool s_isRestoring = false; // Track if clipboard restore is in progress |
| 1668 | |
| 1669 | // Lock to safely update reference count and backup clipboard |
| 1670 | s_pasteTextMutex.lock(); |
| 1671 | |
| 1672 | // Wait if a restore operation is in progress from a previous session |
| 1673 | // This prevents new calls from interfering with ongoing clipboard restore |
| 1674 | while (s_isRestoring) { |
| 1675 | s_pasteTextMutex.unlock(); |
| 1676 | #ifdef DEBUG_LOGOUT_ON |
| 1677 | qDebug() << "[pasteText] Waiting for previous restore to complete..."; |
| 1678 | #endif |
| 1679 | QThread::msleep(10); // Brief wait before checking again |
| 1680 | s_pasteTextMutex.lock(); |
| 1681 | } |
| 1682 | |
| 1683 | s_pasteTextRefCount++; |
| 1684 | bool isFirstCall = (s_pasteTextRefCount == 1); |
| 1685 | |
| 1686 | // If this is not the first call, mark that we had concurrent calls |
| 1687 | // Once marked, we won't restore clipboard for this session (safety measure) |
| 1688 | if (!isFirstCall) { |
| 1689 | s_hadConcurrentCalls = true; |
| 1690 | #ifdef DEBUG_LOGOUT_ON |
| 1691 | qDebug().nospace() << "[pasteText] Concurrent call detected! RefCount: " << s_pasteTextRefCount << ", clipboard restore disabled for this session"; |
| 1692 | #endif |
| 1693 | } |
| 1694 | #ifdef DEBUG_LOGOUT_ON |
| 1695 | else { |
| 1696 | qDebug().nospace() << "[pasteText] First call, RefCount: " << s_pasteTextRefCount; |
| 1697 | } |
| 1698 | #endif |
| 1699 | |
| 1700 | // Only the first call should backup the original clipboard content |
| 1701 | if (isFirstCall) { |
| 1702 | // Reset flags for new session |
| 1703 | s_hadConcurrentCalls = false; |