🚀 go-pugleaf

In article <722@lax.lax.pe-nelson.com> (Tom W. Brown) writes:

> Just thinking about trying to make this work properly for all cases and
> users makes me feel slightly nauseated though.  A double click should
> only perform an action that is an extension of whatever a single click
> does, anything else would be confusing and cause endless annoyance.  I'm
> not a Mac user, but I'll bet that even there it is a very rare case
> where a double click does something completely unrelated to a single
> click.

> I think the suggestion that modifier keys (CTRL, ALT, SHIFT) be used to
> distinguish between different actions on a click is the best way to go
> unless you want to introduce "mouse modes" in your application where the
> current mode determines the action of a click.

As a Mac programmer I will comfirm that double-clicks are always an
extension of a single-click.  To track single vs double clicks you have to
record the time of a mouse down event and compare it against the
double-click time and the current tick count during the next mouse down
event.

My question is how to determine if the modifier keys are down during a
WM_LBUTTONDOWN message.

Chris Little
Logicus Incorporated.

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