[ros-bugs] [Bug 3455] New: single click triggers a double click message

[ReactOS.Bugzilla at www.reactos.org]

http://www.reactos.org/bugzilla/show_bug.cgi?id=3455

           Summary: single click triggers a double click message
           Product: ReactOS
           Version: TRUNK
          Platform: QEmu
        OS/Version: ReactOS
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: Win32
        AssignedTo: ros-bugs at reactos.org
        ReportedBy: grschneider at gmail.com
         QAContact: ros-bugs at reactos.org


r34286 on QEmu 0.9.1 without KQEmu

How to reproduce?
a) CPL Time/Date: click the year textbox. The year gets selected, altough the 
cursor should be placed into that box - a double click behaviour.
b) CPL Mouse -> speed test for double clicks: one click is enough to open/close
the folder.

What's happening?
co_IntTranslateMouseMessage (\subsystems\win32\win32k\ntuser\message.c) calls
MsqIsDblClk (\subsystems\win32\win32k\ntuser\msgqueue.c) to check if a
doubleclick happened. This function writes the message time into the system
cursor information. Since this function gets called several times (three times
in my tests) the message time and the click time are equal which is considered
to be a double click.

This bug is not bug 2139, updown controls don't get this particular doubleclick
message.


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