On Jul 20, 2006, at 3:50 PM, [EMAIL PROTECTED] wrote:
Is it possible to create a screensaver with Rev?
On Windows, you'll be limited to how involved you can get with using
Rev for screensavers. First, you need to either hide the windows
task bar, or be able to make your Rev stack sit above the task bar.
If you hide the task bar, don't forget to set it back to show before
you close your saver. Nothing worse than not putting the task bar
back. ;-)
Now, for Windows to interact with your saver you need to setup your
Rev made app to accept 3 possible command line parameters.
/s <-- which is windows telling you to run your screensaver now
/c <-- which is windows telling you to run your configuration (if
you have one) window
/p <-- which is windows telling you to toss up your preview screen,
which you can't do
in Rev since it requires the use of Window ID's other than what
Rev is capable of listing
and using. That, and you would need to be able to affix a
preview window on another
non-Rev window. But it's not a major issue as you can still get
away with the rest of this.
So basically take in the command line parameter on this, but
simple close your app and
do nothing with it on this. If I ever get around to it, I'll
make an external for Rev that allows
the Rev user to at least toss up an image file for the preview
screen. But that'll take a while
since I have no experience with externals for Rev yet.
On the preview issue, you could however, open a preview window when
this parameter is sent to your app, but it would be a separate window
from the Windows Screensaver Preview window. The draw back is that
the user will have to close your preview window since it's not
controlled by the Windows Screensaver Preview.
There are more parameters sent with the /p parameter, but they are
Window ID's, and as I noted above, we can't do anything with those in
Rev.
And be sure to monitor for any key presses and mouse movement while
your saver is in use so you can close it down when the user presses
any key or moves the mouse. And of course, rename the extension
from .exe to .scr, then drop it into either the Windows directory or
the System directory.
Also consider whether or not you want to deal with multiple monitor
setups.
Be mindful of CPU usage in your repeats. What's the point of it if
your saver is totally tasking out the CPU. I could just picture the
emails you'd get if your saver burns out a bunch of CPU's. ;-)
Can't help you for Linux or OS X on this as I've never tried making
savers for either of them.
Good luck,
-Garrett
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