Hi Mark,
Date: Wed, 13 Jul 2005 07:55:04 -0700
From: Mark Swindell <[EMAIL PROTECTED]>
Subject: Re: Scrollbars in Rev
Leading thread =================
On Jul 13, 2005, at 2:15 AM, Klaus Major wrote:
Hi Mark,
What exactly are the built-in Rev scroll bars, sliders? Can one
get into the images they use and modify them, or create others and
have them available,
i don't think so, since they are provided by the underlying OS, as
far as i know...
Break ========================
That was what I was wondering... whether the OS provided the slider
graphics, and how that works internally since so many of the
characteristics are rev properties. As for rolling one's own, I
guess that's the option to use for X-platform, as the sliders in
Windows look terrible to my MacCentric eye. But as scrollbars and
sliders are very important tools I would think that there could be
several built-in style options that would appear identically
X-platform.
=========================
Well, the caveat is that the OS' don't really offer much 'style'
options other than those already usable by Rev. Are you concerned with
appearance or mechanics?
Mechanical operations are a function of the engine's hooks into the
appropriate control API's for the platform in question, which Rev
refers to as properties. These are reliable, because Rev is only
assigning these properties, and after that has nothing to do with it
other than I/O values from events. In most if not all cases, the OS
takes over and actually draws and operates the control from events.
IOW, if you make a totally custom scrollbar cobbled together from other
Rev/MC objects, i.e., which operates from API's outside the standard
ones for a particular control type, performance will surely suffer to
some degree or other.
OTOH, you _can_ change _appearance themes_ from Aqua to something else
(but not the operational properties), meaning it will be system-wide,
not just your Rev application:
<http://www.unsanity.com/haxies/shapeshifter>
All the best,
Ken N.
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