st-noxz [fork] suckless st - personal fork
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commit: d64877b26ec2287b5d1b8176db81a15735159cec
parent: 7c59d8ac3aa2a1af0bf368261997ff9578f10b4a
author: Chris Noxz <chris@noxz.tech>
date:   Wed, 14 Aug 2019 13:35:02 +0200

redraw st on signal

diff --git a/config.def.h b/config.def.h
@@ -8,6 +8,9 @@
 static char *font = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
 static int borderpx = 2;
 
+/* redraw on signal */
+#define SIGREDRW SIGUSR1
+
 /*
  * What program is execed by st depends of these precedence rules:
  * 1: program passed with -e
diff --git a/x.c b/x.c
@@ -727,6 +727,16 @@ xloadcolor(int i, const char *name, Color *ncolor)
 	return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
 }
 
+void
+redraw_signalhandler(int signum)
+{
+	if (signum == SIGREDRW) {
+		xloadcols();
+		redraw();
+		xhints();
+	}
+}
+
 void
 xloadcols(void)
 {
@@ -734,6 +744,8 @@ xloadcols(void)
 	static int loaded;
 	Color *cp;
 
+	signal(SIGREDRW, &redraw_signalhandler);
+
 	if (loaded) {
 		for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
 			XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);