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22214RE: mouse wheel win32 and gui.c

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  • Bram Moolenaar
    Jul 2, 2001
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      Anduin Withers wrote:

      > > I would be surprised if the mouse wheel works at all without scrollbars
      > > present. Perhaps it does for the "real" Microsoft mouse? It certainly
      > > doesn't for mine (Ami mouse).
      > It does. NT4+ and 98+ send WM_MOUSEWHEEL to the focused window when the
      > mouse wheel is changed. Vim processes this in gui_w32.c.

      Yes, that message is only used for the MS mouse, as far as I know.

      > On 2K I can get the mouse wheel to work without scrollbars by removing the
      > two lines in gui.c mentioned in my last message.

      OK. I'll add a #ifdef around them, so that the lines are only used for other

      > Oh and yes it is a genuine MS optical mouse but I don't think that matters
      > anymore (could be wrong never played with mouse wheel messages and support
      > before).

      It does matter. Many programs don't support the mousewheel messages. It's
      one of those MS things to encourage you to buy the latest version (and give
      your $$$ to MS). I never had problems with non-MS mice, while the MS mouse
      has the focus bug problem.

      > > I think most mouse scroll wheels detect the scrollbar window and send
      > > events to it to make the scrolling happen. It just won't work without the
      > > scrollbars.
      > I believe the initial wave of mouse wheel mice worked as you suggest but now
      > there is actual support in the underlying OS with a real message.

      The OS has supported it for a long time already. The problem is that many
      applications don't handle the message. Not everybody uses the latest version.

      hundred-and-one symptoms of being an internet addict:
      56. You leave the modem speaker on after connecting because you think it
      sounds like the ocean wind...the perfect soundtrack for "surfing the net".

      /// Bram Moolenaar -- Bram@... -- http://www.moolenaar.net \\\
      ((( Creator of Vim -- http://vim.sf.net -- ftp://ftp.vim.org/pub/vim )))
      \\\ Help me helping AIDS orphans in Uganda - http://iccf-holland.org ///
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