[dev] st slow startup

[Johannes Hofmann]

Hi,

as others also have noticed, Xft based st starts slow on some
systems. For me it helps if FcFontSort() is done lazily as shown
below.

Regards,
Johannes


diff --git a/st.c b/st.c
index 50090a4..425f669 100644
--- a/st.c
+++ b/st.c
@@ -2643,10 +2643,7 @@ xloadfont(Font *f, FcPattern *pattern) {
        if(!match)
                return 1;
 
-       if(!(f->set = FcFontSort(0, match, FcTrue, 0, &result))) {
-               FcPatternDestroy(match);
-               return 1;
-       }
+       f->set = NULL;
 
        if(!(f->match = XftFontOpenPattern(xw.dpy, match))) {
                FcPatternDestroy(match);
@@ -2666,6 +2663,16 @@ xloadfont(Font *f, FcPattern *pattern) {
        return 0;
 }
 
+int
+xloadfontset(Font *f) {
+       FcResult result;
+
+       if(!(f->set = FcFontSort(0, f->pattern, FcTrue, 0, &result))) {
+               return 1;
+       }
+       return 0;
+}
+
 void
 xloadfonts(char *fontstr, int fontsize) {
        FcPattern *pattern;
@@ -2987,7 +2994,6 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, 
int bytelen) {
        r.width = width;
        XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
 
-       fcsets[0] = font->set;
        for(xp = winx; bytelen > 0;) {
                /*
                 * Search for the range in the to be printed string of glyphs
@@ -3045,6 +3051,10 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, 
int bytelen) {
 
                /* Nothing was found. */
                if(i >= frclen) {
+                       if (!font->set)
+                               xloadfontset(font);
+                       fcsets[0] = font->set;
+
                        /*
                         * Nothing was found in the cache. Now use
                         * some dozen of Fontconfig calls to get the