Detecting very long window titles is done via FbTk::TextUtils::doAlignment().
Instead of removing one char from the title at a time to see if it fits into a
given 'max_width', we now use a binary-search like approach to get faster to
the right value. This massively improves the speed for windows with
(arbitrary) long window titles (see bug #1090, javascript
document.title = new Array(4999).join(".");
leads to massive waiting for fluxbox to detect that this window has a very
long title).
In addition to that Xft returns 'wrapped' shorts ('integer overflows') for
long texts: XGlpyhInfo.xOff is declared as signed short, it's able to hold
~32k pixels. A monospace font with font-size 10 produces an integer
overflow after 3276 chars / glyphs, thus rendering the check
if (text_width < max_width) { /* ... */ }
pointless and leading rendering the whole title. By calculating some kind of
upper limit for a pseudo-wide glyph ("WW") and strictly cutting off the input
string at that limit prevents this issue.
a 'BidiString' holds both the logical content and the visual reordered
version of the content of a string. this helps to reduce the number of
calls to reorder the string before drawing it (as introduced in the patch
from Ken Bloom) and to be more consistent in menus and textboxes (drawing
cursors and underlining text).
- Removed "antialias"-option completly, to enable/disable "antialias"
use either <fontname>:antialias=<bool> in the style or use
Xft.antialias: <bool> in your .Xdefaults
- Added new styleresources:
*.font.effect: <halo|shadow>
*.font.shadow.x : <int> - shadow x offset
*.font.shadow.y : <int> - shadow y offset
*.font.shadow.color : <color> - color of shadow
*.font.halo.color : <color> - color of halo
- Removed 'shadow' and 'halo' options from fontdefinitions:
!! Style authors have to update their styles !!
- Simplified XmbFontImp to not try all possible fonts to match locale
- Style authors may specify multiple fonts:
<font1>|<font2>|<font3>
if loading of font1 fails, fluxbox probes <font2>, etc. The last font is
"fixed". Hints for style authors:
- if xft tries to load a font it will _ALWAYS_ return a valid font,
it doesnt have to look like the one you want to have, read more
about it: http://fontconfig.org/fontconfig-user.html
- export XFT_DEBUG=1 before running fluxbox helps to see
which fonts are picked.
eg:
*.font: Verdana,Arial-12:antialias=true|-artwiz-snap-*-
if fluxbox is compiled with xft this will NEVER try to
load "-artwiz-snap-*-" since xft gives for sure a font,
most likely Verdana or Arial but noone knows. So, if
fluxbox has no xft support the first fontpattern fails
and fluxbox tries the next one, which might be successful.
if everything fails, it will use "fixed"
- Added caching of fonts, fonts are only loaded once.
- Fixed#1090902 (slow utf8 start)
