ignore when breaking text into runs for display, and implement setting this
on Mac (other ports just use 0xffffffff).
We don't use DeviceLoop for this any more because Apple Technical Q&A
QA1024 says we shouldn't. Unlike their example, we don't depend on the
Display Manager's being present either.
[originally from svn r2264]
SetFractEnable unconditionally flushes the Font Manager's width cache,
and the default is fine for us anyway. This more or less doubles
redraw speed, which is nice, but still not really fast enough.
[originally from svn r2263]
* No more mucking about with transfer modes. We always set up the foreground
and background sensibly, EraseRect the whole lot and use srcOr. Apple
Tech Note QD505 suggests that this should be faster than srcCopy.
* Always use the Palette Manager if we've got Color QuickDraw, even in 1bpp
modes.
* Apply the cursor colours _after_ all the other stuff, rather than trying to
get them through everything else intact.
Unfortunately, this doesn't make much difference to the speed.
[originally from svn r2259]
background colour and pen mode have some silly effects on ScrollRect, so
set them back to their defaults before calling it.
[originally from svn r2254]
application), rather from the entire chain. This prevents us displaying the
System version if PuTTY doesn't have one. Also cope with not finding any
'vers' resource.
[originally from svn r2247]
(rather than straight to the backend), and then prod the terminal. I think
this is closer to the correct set of things to do.
[originally from svn r2245]
This introduces a new front-end function, do_scroll(), which is expected to
scroll a part of the physical display and cause repaint events for any
areas that couldn't be scrolled (e.g. because they were hidden).
scroll_display() is a wrapper around this which also updates disptext to
match.
Currently, scroll_display is only used in response to user scrollback requests
(via term_scroll()), but extending scroll() to use it as well should be
easy.
All of this is conditional on the front end's defining OPTIMISE_SCROLL, since
only the Mac front end currently implements do_scroll().
[originally from svn r2242]
This doesn't include any mkfiles.pl glue, and is missing one or two other
fixes. The terminal emulator is kind of working, though, as, I believe, is
the store module. Everything else is yet to be done.
[originally from svn r2226]
