Lazy fontset loading.

Thanks Johannes Hofmann <Johannes.Hofmann@gmx.de>!

1 files changed, 15 insertions, 6 deletions

diff --git a/st.c b/st.c
index 50090a4..56955a3 100644
--- a/st.c
+++ b/st.c
@@ -363,6 +363,7 @@ static void xloadcols(void);
 static int xsetcolorname(int, const char *);
 static int xloadfont(Font *, FcPattern *);
 static void xloadfonts(char *, int);
+static int xloadfontset(Font *);
 static void xsettitle(char *);
 static void xresettitle(void);
 static void xseturgency(int);
@@ -2643,16 +2644,12 @@ xloadfont(Font *f, FcPattern *pattern) {
         if(!match)
                 return 1;
 
-        if(!(f->set = FcFontSort(0, match, FcTrue, 0, &result))) {
-                FcPatternDestroy(match);
-                return 1;
-        }
-
         if(!(f->match = XftFontOpenPattern(xw.dpy, match))) {
                 FcPatternDestroy(match);
                 return 1;
         }
 
+        f->set = NULL;
         f->pattern = FcPatternDuplicate(pattern);
 
         f->ascent = f->match->ascent;
@@ -2727,6 +2724,15 @@ xloadfonts(char *fontstr, int fontsize) {
         FcPatternDestroy(pattern);
 }
 
+int
+xloadfontset(Font *f) {
+        FcResult result;
+
+        if(!(f->set = FcFontSort(0, f->pattern, FcTrue, 0, &result)))
+                return 1;
+        return 0;
+}
+
 void
 xunloadfonts(void) {
         int i, ip;
@@ -2987,7 +2993,6 @@ 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 +3050,10 @@ 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