now looking up SendEvent() using GetProcAddress() so win95
systems can run the synergy client.
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@ -338,6 +338,10 @@ CMSWindowsSecondaryScreen::hideWindow()
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void
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CMSWindowsSecondaryScreen::warpCursor(SInt32 x, SInt32 y)
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{
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typedef UINT (WINAPI *SendInput_t)(UINT, LPINPUT, int);
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static bool gotSendInput = false;
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static SendInput_t SendInput = NULL;
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// move the mouse directly to target position on NT family or if
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// not using multiple monitors.
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if (m_screen->isMultimon() || !m_is95Family) {
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@ -362,7 +366,9 @@ CMSWindowsSecondaryScreen::warpCursor(SInt32 x, SInt32 y)
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// clicking the mouse or pressing a key between the absolute and
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// relative move) we'll use SendInput() which guarantees that the
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// events are delivered uninterrupted. we cannot prevent changes
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// to the mouse acceleration at inopportune times, though.
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// to the mouse acceleration at inopportune times, though. if
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// SendInput() is unavailable then use mouse_event(); SendInput()
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// is not available on Windows 95 and NT 4.0 prior to SP3.
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//
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// point-to-activate (x-mouse) doesn't seem to be bothered by the
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// absolute/relative combination. a window over the absolute
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@ -371,6 +377,17 @@ CMSWindowsSecondaryScreen::warpCursor(SInt32 x, SInt32 y)
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// app under the final mouse position does *not* get deactivated
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// by the absolute move to 0,0.
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else {
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// lookup SendInput() function
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if (!gotSendInput) {
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gotSendInput = true;
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HINSTANCE user32 = LoadLibrary("user32.dll");
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if (user32 != NULL) {
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SendInput = reinterpret_cast<SendInput_t>(
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GetProcAddress(user32, "SendInput"));
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FreeLibrary(user32);
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}
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}
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// save mouse speed & acceleration
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int oldSpeed[4];
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bool accelChanged =
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@ -401,8 +418,22 @@ CMSWindowsSecondaryScreen::warpCursor(SInt32 x, SInt32 y)
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events[1].mi.dwFlags = MOUSEEVENTF_MOVE;
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events[1].mi.time = events[0].mi.time;
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events[1].mi.dwExtraInfo = 0;
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if (SendInput != NULL) {
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SendInput(sizeof(events) / sizeof(events[0]),
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events, sizeof(events[0]));
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}
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else {
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mouse_event(events[0].mi.dwFlags,
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events[0].mi.dx,
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events[0].mi.dy,
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events[0].mi.mouseData,
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events[0].mi.dwExtraInfo);
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mouse_event(events[1].mi.dwFlags,
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events[1].mi.dx,
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events[1].mi.dy,
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events[1].mi.mouseData,
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events[1].mi.dwExtraInfo);
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}
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// restore mouse speed & acceleration
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if (accelChanged) {
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