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Revert to old behavior of checkDesk(), add workaround to broken EnumClipboardFormats() in the case where the server is started while the screen saver is active.

This commit is contained in:
Nye Liu 2015-10-12 17:09:52 -07:00 committed by Xinyu Hou
parent 425fc8b925
commit bab2e985a3
2 changed files with 44 additions and 29 deletions
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19
src/lib/platform/MSWindowsClipboard.cpp
View File

@ -180,9 +180,24 @@ MSWindowsClipboard::get(EFormat format) const
win32Format = EnumClipboardFormats(win32Format);
}
// if no converter then we don't recognize any formats
// if no converter then EnumClipboardFormats() is broken: try just
// GetClipboardData() directly (Issue $5041)
if (converter == NULL) {
LOG((CLOG_WARN "No converter for format %d", format));
LOG((CLOG_INFO "Broken EnumClipboardFormats, falling back to using GetClipboardData"));
for (ConverterList::const_iterator index = m_converters.begin();
index != m_converters.end(); ++index) {
converter = *index;
if (converter->getFormat() == format) {
LOG((CLOG_DEBUG "using converter 0x%x%s for %d\n",
converter->getWin32Format(),
l_name(converter->getWin32Format()).c_str(),
format));
HANDLE win32Data = GetClipboardData(converter->getWin32Format());
if (win32Data != NULL)
return converter->toIClipboard(win32Data);
}
}
return String();
}

46
src/lib/platform/MSWindowsDesks.cpp
View File

@ -851,17 +851,17 @@ MSWindowsDesks::checkDesk()
desk = index->second;
}
// if active desktop changed then tell the old and new desk threads
// about the change. don't switch desktops when the screensaver is
// active becaue we'd most likely switch to the screensaver desktop
// which would have the side effect of forcing the screensaver to
// stop.
if (name != m_activeDeskName && !m_screensaver->isActive()) {
if (name == m_activeDeskName) {
return;
}
if (m_activeDesk != NULL) {
LOG((CLOG_DEBUG "switched desk \"%s\"->\"%s\"",
m_activeDeskName.c_str(), name.c_str()));
}
// if we are told to shut down on desk switch, and this is not the
// first switch, then shut down.
// Issue #5041 workaround - prevent synergys from shutting down when
// screen saver activates - if it is restarted while the screen saver
// is active, the clipboard no longer works.
if (m_stopOnDeskSwitch && m_activeDesk != NULL) {
LOG((CLOG_DEBUG "shutting down because of desk switch \"%s\"->\"%s\"",
m_activeDeskName.c_str(), name.c_str()));
@ -869,6 +869,12 @@ MSWindowsDesks::checkDesk()
return;
}
// if active desktop changed then tell the old and new desk threads
// about the change. don't switch desktops when the screensaver is
// active becaue we'd most likely switch to the screensaver desktop
// which would have the side effect of forcing the screensaver to
// stop.
if (!m_screensaver->isActive()) {
// show cursor on previous desk
bool wasOnScreen = m_isOnScreen;
if (!wasOnScreen) {
@ -879,10 +885,6 @@ MSWindowsDesks::checkDesk()
// from an inaccessible desktop so when we switch from an
// inaccessible desktop to an accessible one we have to
// update the keyboard state.
if (m_activeDesk != NULL) {
LOG((CLOG_DEBUG "switched desk \"%s\"->\"%s\"",
m_activeDeskName.c_str(), name.c_str()));
}
bool syncKeys = false;
bool isAccessible = isDeskAccessible(desk);
if (isDeskAccessible(m_activeDesk) != isAccessible) {
@ -910,19 +912,17 @@ MSWindowsDesks::checkDesk()
updateKeys();
}
}
else if (name != m_activeDeskName) {
if (m_activeDesk != NULL) {
LOG((CLOG_DEBUG "switched desk \"%s\"->\"%s\"",
m_activeDeskName.c_str(), name.c_str()));
}
else {
// screen saver is active (see check above)
PostThreadMessage(m_threadID, SYNERGY_MSG_SCREEN_SAVER, TRUE, 0);
// FIXME? Because m_activeDesk isn't updated if screen saver is active,
// SYNERGY_MSG_SCREEN_SAVER will be sent on every call to checkDesk()
// until isActive() returns false, since name will not match
// m_activeDeskName until the latter is updated.
// Prevent this from retriggering over and over if screen saver stays
// active:
m_activeDesk = desk;
m_activeDeskName = name;
// For now, preserve old (broken?) behavior.
//m_activeDesk = desk;
//m_activeDeskName = name;
}
}