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NRK 3a060d98f5
drw_text: improve performance when there's no match 
this was the last piece of the puzzle, the case where we can't find any
font to draw the codepoint.

in such cases, we use XftFontMatch() which is INSANELY slow. but that's
not the real problem. the real problem was we were continuously trying
to match the same thing over and over again.

this patch introduces a small cache, which keeps track a couple
codepoints for which we know we won't find any matches.

with this, i can dump lots of emojies into dmenu where some of them
don't have any matching font, and still not have dmenu lag insanely or
FREEZE completely when scrolling up and down.

this also improves startup time, which will of course depend on the
system and all installed fonts; but on my system and test case i see the
following startup time drop:

before -> after
60ms   -> 34ms
 		2022-10-19 17:40:28 +02:00
.gitignore Added gitignore & config 2022-03-05 10:14:09 +01:00
.woodpecker.yml ci: publish to vieter arch-repos 2022-08-28 11:20:24 +02:00
LICENSE bump version to 5.1 2022-02-11 12:26:35 +01:00
Makefile Added PKGBUILD & CI pipeline for publishing 2022-03-05 10:28:01 +01:00
PKGBUILD ci: publish to vieter arch-repos 2022-08-28 11:20:24 +02:00
README removed libdc dependence 2010-11-11 23:56:39 +00:00
arg.h arg.h: fixed argv checks order 2016-02-23 00:31:03 +01:00
config.def.h Applied patch dmenu-fuzzymatch-4.9 2022-03-05 10:47:28 +01:00
config.h Applied patch dmenu-fuzzymatch-4.9 2022-03-05 10:47:28 +01:00
config.mk Bumped version 2022-03-05 10:57:50 +01:00
dmenu.1 Applied patch dmenu-caseinsensitive-5.0 2022-03-05 10:42:28 +01:00
dmenu.c inputw: improve correctness and startup performance 2022-10-19 17:40:27 +02:00
dmenu_path.sh Added gitignore & config 2022-03-05 10:14:09 +01:00
dmenu_run.sh Added gitignore & config 2022-03-05 10:14:09 +01:00
drw.c drw_text: improve performance when there's no match 2022-10-19 17:40:28 +02:00
drw.h introduce drw_fontset_getwidth_clamp() 2022-10-19 17:40:27 +02:00
stest.1 applied Martin Kühl's inverse matching flag to stest 2013-08-13 19:15:04 +02:00
stest.c remove always true condition in if statement 2021-07-25 10:55:45 +02:00
util.c die() on calloc failure 2016-11-05 11:36:42 +01:00
util.h import new drw from libsl and minor fixes. 2016-06-03 19:13:15 +02:00

README 

dmenu - dynamic menu
====================
dmenu is an efficient dynamic menu for X.


Requirements
------------
In order to build dmenu you need the Xlib header files.


Installation
------------
Edit config.mk to match your local setup (dmenu is installed into
the /usr/local namespace by default).

Afterwards enter the following command to build and install dmenu
(if necessary as root):

    make clean install


Running dmenu
-------------
See the man page for details.