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| author | Gabriel de Dietrich <gabriel.dedietrich@qt.io> | 2017-09-26 13:27:55 -0700 |
|---|---|---|
| committer | Gabriel de Dietrich <gabriel.dedietrich@qt.io> | 2017-09-28 16:48:23 +0000 |
| commit | 8ea5c401094b78c40c21811c9514462797218ae2 (patch) | |
| tree | 62848dc138351598bb98c1118cf9a3a1a932e3a0 | |
| parent | cbbf843e96de3067e4cb7c0a7b4e59a6c27b10f7 (diff) | |
QWindowsMouseHandler: Add documentation link for bitmask magic
Change-Id: I743aef0e15ef42347c5222d0e50577b006483cc4
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
| -rw-r--r-- | src/plugins/platforms/windows/qwindowsmousehandler.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowsmousehandler.cpp b/src/plugins/platforms/windows/qwindowsmousehandler.cpp index d21581ba8a..0cabb66bca 100644 --- a/src/plugins/platforms/windows/qwindowsmousehandler.cpp +++ b/src/plugins/platforms/windows/qwindowsmousehandler.cpp @@ -233,6 +233,7 @@ bool QWindowsMouseHandler::translateMouseEvent(QWindow *window, HWND hwnd, // Check for events synthesized from touch. Lower 7 bits are touch/pen index, bit 8 indicates touch. // However, when tablet support is active, extraInfo is a packet serial number. This is not a problem // since we do not want to ignore mouse events coming from a tablet. + // See https://msdn.microsoft.com/en-us/library/windows/desktop/ms703320.aspx const quint64 extraInfo = quint64(GetMessageExtraInfo()); if ((extraInfo & signatureMask) == miWpSignature) { if (extraInfo & 0x80) { // Bit 7 indicates touch event, else tablet pen. |