added st source

dwm/.st/patch/xresources.c

@@ -0,0 +1,82 @@
+int
+resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst)
+{
+	char **sdst = dst;
+	int *idst = dst;
+	float *fdst = dst;
+
+	char fullname[256];
+	char fullclass[256];
+	char *type;
+	XrmValue ret;
+
+	snprintf(fullname, sizeof(fullname), "%s.%s",
+			opt_name ? opt_name : "st", name);
+	snprintf(fullclass, sizeof(fullclass), "%s.%s",
+			opt_class ? opt_class : "St", name);
+	fullname[sizeof(fullname) - 1] = fullclass[sizeof(fullclass) - 1] = '\0';
+
+	XrmGetResource(db, fullname, fullclass, &type, &ret);
+	if (ret.addr == NULL || strncmp("String", type, 64))
+		return 1;
+
+	switch (rtype) {
+	case STRING:
+		*sdst = ret.addr;
+		break;
+	case INTEGER:
+		*idst = strtoul(ret.addr, NULL, 10);
+		break;
+	case FLOAT:
+		*fdst = strtof(ret.addr, NULL);
+		break;
+	}
+	return 0;
+}
+
+void
+config_init(Display *dpy)
+{
+	char *resm;
+	XrmDatabase db;
+	ResourcePref *p;
+
+	XrmInitialize();
+	resm = XResourceManagerString(dpy);
+	if (!resm)
+		return;
+
+	db = XrmGetStringDatabase(resm);
+	for (p = resources; p < resources + LEN(resources); p++)
+		resource_load(db, p->name, p->type, p->dst);
+}
+
+#if XRESOURCES_RELOAD_PATCH
+void
+reload_config(int sig)
+{
+	/* Recreate a Display object to have up to date Xresources entries */
+	Display *dpy;
+	if (!(dpy = XOpenDisplay(NULL)))
+		die("Can't open display\n");
+
+	config_init(dpy);
+	xloadcols();
+
+	/* nearly like zoomabs() */
+	xunloadfonts();
+	xloadfonts(font, 0); /* font <- config_init() */
+	#if FONT2_PATCH
+	xloadsparefonts();
+	#endif // FONT2_PATCH
+	cresize(0, 0);
+	redraw();
+	xhints();
+
+	XCloseDisplay(dpy);
+
+	/* from https://st.suckless.org/patches/xresources-with-reload-signal */
+	/* triggers re-render if we're visible */
+	ttywrite("\033[O", 3, 1);
+}
+#endif // XRESOURCES_RELOAD_PATCH