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Fix monitoring large file with frequent writes freezes UI issue

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Fix #9661, close #15598
This commit is contained in:
Brian C 2024-09-02 18:08:20 +02:00 committed by Don Ho
parent 624e315686
commit d5ec03a464
1 changed files with 7 additions and 1 deletions
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6
PowerEditor/src/NppIO.cpp
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@ -79,6 +79,7 @@ DWORD WINAPI Notepad_plus::monitorFileOnChange(void * params)
case WAIT_OBJECT_0 + 1: case WAIT_OBJECT_0 + 1:
// We've received a notification in the queue. // We've received a notification in the queue.
{ {
bool bDoneOnce = false;
DWORD dwAction = 0; DWORD dwAction = 0;
wstring fn; wstring fn;
// Process all available changes, ignore User actions // Process all available changes, ignore User actions
@ -92,8 +93,13 @@ DWORD WINAPI Notepad_plus::monitorFileOnChange(void * params)
if (wcscmp(fullFileName, fn.c_str()) == 0) if (wcscmp(fullFileName, fn.c_str()) == 0)
{ {
if (dwAction == FILE_ACTION_MODIFIED) if (dwAction == FILE_ACTION_MODIFIED)
{
if (!bDoneOnce)
{ {
::PostMessage(h, NPPM_INTERNAL_RELOADSCROLLTOEND, reinterpret_cast<WPARAM>(buf), 0); ::PostMessage(h, NPPM_INTERNAL_RELOADSCROLLTOEND, reinterpret_cast<WPARAM>(buf), 0);
bDoneOnce = true;
Sleep(250); // Limit refresh rate
}
} }
else if ((dwAction == FILE_ACTION_REMOVED) || (dwAction == FILE_ACTION_RENAMED_OLD_NAME)) else if ((dwAction == FILE_ACTION_REMOVED) || (dwAction == FILE_ACTION_RENAMED_OLD_NAME))
{ {