[hackers] [dmenu] drw_text: account for fallback fonts in ellipsis_width || NRK

[git]

commit 33685b06e9332638769e677e77b257e24e069fd1
Author:     NRK <n...@disroot.org>
AuthorDate: Mon Mar 28 21:38:49 2022 +0600
Commit:     Hiltjo Posthuma <hil...@codemadness.org>
CommitDate: Sat Apr 16 16:21:01 2022 +0200

    drw_text: account for fallback fonts in ellipsis_width
    
    additionally, ellipsis_width (which shouldn't change) is made static to
    avoid re-calculating it on each drw_text() call.

diff --git a/drw.c b/drw.c
index 2f3a5df..ced7d37 100644
--- a/drw.c
+++ b/drw.c
@@ -252,7 +252,7 @@ int
 drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int 
lpad, const char *text, int invert)
 {
        int i, ty, ellipsis_x = 0;
-       unsigned int tmpw, ew, ellipsis_w = 0, ellipsis_len, ellipsis_width;
+       unsigned int tmpw, ew, ellipsis_w = 0, ellipsis_len;
        XftDraw *d = NULL;
        Fnt *usedfont, *curfont, *nextfont;
        int utf8strlen, utf8charlen, render = x || y || w || h;
@@ -266,6 +266,7 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned 
int h, unsigned int lp
        /* keep track of a couple codepoints for which we have no match. */
        enum { nomatches_len = 64 };
        static struct { long codepoint[nomatches_len]; unsigned int idx; } 
nomatches;
+       static unsigned int ellipsis_width = 0;
 
        if (!drw || (render && (!drw->scheme || !w)) || !text || !drw->fonts)
                return 0;
@@ -283,7 +284,8 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned 
int h, unsigned int lp
        }
 
        usedfont = drw->fonts;
-       drw_font_getexts(usedfont, "...", 3, &ellipsis_width, NULL);
+       if (!ellipsis_width && render)
+               ellipsis_width = drw_fontset_getwidth(drw, "...");
        while (1) {
                ew = ellipsis_len = utf8strlen = 0;
                utf8str = text;