diff --git a/config.h b/config.h
index 04fc97f..657e8f2 100644
--- a/config.h
+++ b/config.h
/* tagging */
@@ -90,6 +90,7 @@ static Key keys[] = {
{ MODKEY, XK_h, setmfact, {.f = -0.05} },
{ MODKEY, XK_l, setmfact, {.f = +0.05} },
{ MODKEY, XK_Return, zoom, {0} },
+ { MODKEY, XK_f, togglefullscreen, {0} },
{ MODKEY, XK_Tab, view, {0} },
{ MODKEY, XK_q, killclient, {0} },
/*
diff --git a/dwm.c b/dwm.c
index cdba5eb..c05ef8c 100644
--- a/dwm.c
+++ b/dwm.c
@@ -218,6 +218,7 @@ static void tagmon(const Arg *arg);
static void tile(Monitor *);
static void togglebar(const Arg *arg);
static void togglefloating(const Arg *arg);
+static void togglefullscreen(const Arg *arg);
static void toggletag(const Arg *arg);
static void toggleview(const Arg *arg);
static void unfocus(Client *c, int setfocus);
+void
+togglefullscreen(const Arg *arg)
+{
+ if (!selmon->sel->isfullscreen) {
+ XChangeProperty(dpy, selmon->sel->win, netatom[NetWMState], XA_ATOM, 32,
+ PropModeReplace, (unsigned char*)&netatom[NetWMFullscreen], 1);
+ selmon->sel->isfullscreen = 1;
+ selmon->sel->oldstate = selmon->sel->isfloating;
+ selmon->sel->oldbw = selmon->sel->bw;
+ selmon->sel->bw = 0;
+ selmon->sel->isfloating = 1;
+ resizeclient(selmon->sel, selmon->sel->mon->mx, selmon->sel->mon->my, selmon->sel->mon->mw, selmon->sel->mon->mh);
+ XRaiseWindow(dpy, selmon->sel->win);
+ } else if (selmon->sel->isfullscreen){
+ XChangeProperty(dpy, selmon->sel->win, netatom[NetWMState], XA_ATOM, 32,
+ PropModeReplace, (unsigned char*)0, 0);
+ selmon->sel->isfullscreen = 0;
+ selmon->sel->isfloating = selmon->sel->oldstate;
+ selmon->sel->bw = selmon->sel->oldbw;
+ selmon->sel->x = selmon->sel->oldx;
+ selmon->sel->y = selmon->sel->oldy;
+ selmon->sel->w = selmon->sel->oldw;
+ selmon->sel->h = selmon->sel->oldh;
+ resizeclient(selmon->sel, selmon->sel->x, selmon->sel->y, selmon->sel->w, selmon->sel->h);
+ arrange(selmon->sel->mon);
+ }
+}
+
void
toggletag(const Arg *arg)
{
