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barrier
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Attempts to improve forcing synergy window to foreground. These 

changes don't seem to improve the situation but don't seem to
hurt either.
This commit is contained in:
crs 2003-01-07 21:12:51 +00:00
parent 1fd7ce14f3
commit 9a245498a6
1 changed files with 39 additions and 4 deletions
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37
lib/platform/CMSWindowsPrimaryScreen.cpp
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@ -540,17 +540,52 @@ CMSWindowsPrimaryScreen::showWindow()
m_lastForegroundWindow = GetForegroundWindow(); m_lastForegroundWindow = GetForegroundWindow();
m_lastActiveThread = GetWindowThreadProcessId( m_lastActiveThread = GetWindowThreadProcessId(
m_lastForegroundWindow, NULL); m_lastForegroundWindow, NULL);
if (m_lastActiveThread != 0) {
DWORD myThread = GetCurrentThreadId(); DWORD myThread = GetCurrentThreadId();
if (m_lastActiveThread != 0) {
if (myThread != m_lastActiveThread) {
if (AttachThreadInput(myThread, m_lastActiveThread, TRUE)) { if (AttachThreadInput(myThread, m_lastActiveThread, TRUE)) {
m_lastActiveWindow = GetActiveWindow(); m_lastActiveWindow = GetActiveWindow();
AttachThreadInput(myThread, m_lastActiveThread, FALSE); AttachThreadInput(myThread, m_lastActiveThread, FALSE);
} }
} }
}
// show our window // show our window
ShowWindow(m_window, SW_SHOW); ShowWindow(m_window, SW_SHOW);
// force our window to the foreground. this is necessary to
// capture input but is complicated by microsoft's misguided
// attempt to prevent applications from changing the
// foreground window. (the user should be in control of that
// under normal circumstances but there are exceptions; the
// good folks at microsoft, after abusing the previously
// available ability to switch foreground tasks in many of
// their apps, changed the behavior to prevent it. maybe
// it was easier than fixing the applications.)
//
// anyway, simply calling SetForegroundWindow() doesn't work
// unless there is no foreground window or we already are the
// foreground window. so we AttachThreadInput() to the
// foreground process then call SetForegroundWindow(); that
// makes Windows think the foreground process changed the
// foreground window which is allowed since the foreground
// is "voluntarily" yielding control. then we unattach the
// thread input and go about our business.
//
// unfortunately, this still doesn't work for console windows
// on the windows 95 family. if a console is the foreground
// app on the server when the user leaves the server screen
// then the keyboard will not be captured by synergy.
if (m_lastActiveThread != myThread) {
if (m_lastActiveThread != 0) {
AttachThreadInput(myThread, m_lastActiveThread, TRUE);
}
SetForegroundWindow(m_window);
if (m_lastActiveThread != 0) {
AttachThreadInput(myThread, m_lastActiveThread, FALSE);
}
}
// get keyboard input and capture mouse // get keyboard input and capture mouse
SetActiveWindow(m_window); SetActiveWindow(m_window);
SetFocus(m_window); SetFocus(m_window);