dmenu

Mahdi's build of dmenu
git clone git://mahdi.pw/dmenu.git
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commit c585e8e498ec6f9c423ab8ea07cf853ee5b05fbe
parent 523aa08f51a88c59ad4b1f600f8ce3d122e9e289
Author: Miles Alan <m@milesalan.com>
Date:   Sat,  7 Aug 2021 21:34:35 -0400

Improve speed of drw_text when provided with large strings

Calculates len & ew in drw_font_getexts loop by incrementing instead of
decrementing; as such avoids proportional increase in time spent in loop
based on provided strings size.

Diffstat:
Mdrw.c | 7+++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drw.c b/drw.c @@ -310,8 +310,11 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp if (utf8strlen) { drw_font_getexts(usedfont, utf8str, utf8strlen, &ew, NULL); /* shorten text if necessary */ - for (len = MIN(utf8strlen, sizeof(buf) - 1); len && ew > w; len--) - drw_font_getexts(usedfont, utf8str, len, &ew, NULL); + if (ew > w) + for (ew = 0, len = 0; ew < w - lpad * 2 && len < MIN(utf8strlen, sizeof(buf) - 1); len++) + drw_font_getexts(usedfont, utf8str, len, &ew, NULL); + else + len = MIN(utf8strlen, sizeof(buf) - 1); if (len) { memcpy(buf, utf8str, len);