M st.c → st.c

@@ -1844,6 +1844,7 @@ strhandle(void)
 {
 	char *p = NULL, *dec;
 	int j, narg, par;
+	static int winname = 0;
 
 	term.esc &= ~(ESC_STR_END|ESC_STR);
 	strparse();
@@ -1853,7 +1854,15 @@ switch (strescseq.type) {
 	case ']': /* OSC -- Operating System Command */
 		switch (par) {
 		case 0:
+			if (narg > 1) {
+				xsettitle(strescseq.args[1]);
+				xseticontitle(strescseq.args[1]);
+			}
+			return;
 		case 1:
+			if (narg > 1)
+				xseticontitle(strescseq.args[1]);
+			return;
 		case 2:
 			if (narg > 1)
 				xsettitle(strescseq.args[1]);

M win.h → win.h

@@ -30,6 +30,7 @@ void xdrawline(Line, int, int, int);
 void xfinishdraw(void);
 void xloadcols(void);
 int xsetcolorname(int, const char *);
+void xseticontitle(char *);
 void xsettitle(char *);
 int xsetcursor(int);
 void xsetmode(int, unsigned int);

M x.c → x.c

@@ -93,7 +93,7 @@ Colormap cmap;
 	Window win;
 	Drawable buf;
 	GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
-	Atom xembed, wmdeletewin, netwmname, netwmpid;
+	Atom xembed, wmdeletewin, netwmname, netwmiconname, netwmpid;
 	struct {
 		XIM xim;
 		XIC xic;
@@ -1186,6 +1186,7 @@ 
 	xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
 	xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
 	xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
+	xw.netwmiconname = XInternAtom(xw.dpy, "_NET_WM_ICON_NAME", False);
 	XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
 
 	xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
@@ -1577,6 +1578,19 @@ char buf[sizeof(long) * 8 + 1];
 
 	snprintf(buf, sizeof(buf), "%lu", xw.win);
 	setenv("WINDOWID", buf, 1);
+}
+
+void
+xseticontitle(char *p)
+{
+	XTextProperty prop;
+	DEFAULT(p, opt_title);
+
+	Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
+			&prop);
+	XSetWMIconName(xw.dpy, xw.win, &prop);
+	XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmiconname);
+	XFree(prop.value);
 }
 
 void