Though rawkeydown is triggered by any of the modifier keys on Win32, you still have to poll for their keydown condition if combined with any other key. Which indeed is not very efficient.
It would be nice to have a more uniform behavior across platforms of these basic commands
And a polling loop on modifierkeys in rev-talk does sound like an unnecessary overload if it can be done more efficiently by the engine itself.
Gr, Wouter
On 28 Feb 2005, at 15:44, Paul wrote:
I think Dar is right in that a message is not sent when a modifier key is pressed on the Mac, but one can check to see if a modifier key is down.
[EMAIL PROTECTED] wrote:
J. Landman Gay Sat, 26 Feb 2005 20:06:30 -0800 On 2/26/05 2:07 PM, Dar Scott wrote:
snip
Can't do it on a Mac. The OS doesn't send any messages for the shift key and command key unless they are paired with an alpha-numeric keypress. Windows OS does. Rev has no way of knowing when the user depresses the shift key alone.
Weird because most games (red faction, jedi knight, unreal, quake, etc... ) on the mac succeed in this, why can't rev?
Greetings, Wouter
They do it by "polling", i.e. they sit in a tight loop watching the keymap (an internal Mac data structure that has the status of all the keys on the keyboard).
FYI, there was a decision made, a long time ago (circa 1983), that the Mac event system would not report shift, option, command or control key downs to applications. The only way to determine if those keys are down is via polling, which can be done in Revolution by using an idle handler...
on idle if the shiftkey is down then ... do something end if end idle
-- Frank
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