Remove extra work and simplify client state handling.

calmwm.h

@@ -167,7 +167,6 @@ struct client_ctx {
 #define CLIENT_MAXFLAGS			(CLIENT_VMAXIMIZED | CLIENT_HMAXIMIZED)
 #define CLIENT_MAXIMIZED		(CLIENT_VMAXIMIZED | CLIENT_HMAXIMIZED)
 	int			 flags;
-	int			 state;
 	int			 active;
 	int			 stackingorder;
 	struct winname_q	 nameq;
@@ -374,6 +373,7 @@ void			 client_delete(struct client_ctx *);
 void			 client_draw_border(struct client_ctx *);
 struct client_ctx	*client_find(Window);
 void			 client_freeze(struct client_ctx *);
+long			 client_get_wm_state(struct client_ctx *);
 void			 client_getsizehints(struct client_ctx *);
 void			 client_hide(struct client_ctx *);
 void			 client_hmaximize(struct client_ctx *);
@@ -389,6 +389,7 @@ void			 client_ptrwarp(struct client_ctx *);
 void			 client_raise(struct client_ctx *);
 void			 client_resize(struct client_ctx *, int);
 void			 client_send_delete(struct client_ctx *);
+void			 client_set_wm_state(struct client_ctx *, long);
 void			 client_setactive(struct client_ctx *);
 void			 client_setname(struct client_ctx *);
 int			 client_snapcalc(int, int, int, int, int);
@@ -509,7 +510,6 @@ void			 xev_loop(void);
 void			 xu_btn_grab(Window, int, u_int);
 void			 xu_btn_ungrab(Window);
 int			 xu_getprop(Window, Atom, Atom, long, unsigned char **);
-int			 xu_get_wm_state(Window, int *);
 int			 xu_getstrprop(Window, Atom, char **);
 void			 xu_key_grab(Window, u_int, KeySym);
 void			 xu_key_ungrab(Window);
@@ -518,7 +518,6 @@ int			 xu_ptr_grab(Window, u_int, Cursor);
 int			 xu_ptr_regrab(u_int, Cursor);
 void			 xu_ptr_setpos(Window, int, int);
 void			 xu_ptr_ungrab(void);
-void			 xu_set_wm_state(Window win, int);
 void			 xu_xft_draw(struct screen_ctx *, const char *,
 			     int, int, int);
 int			 xu_xft_width(XftFont *, const char *, int);

client.c

@@ -68,7 +68,6 @@ client_init(Window win, struct screen_ctx *sc, int mapped)
 
 	XGrabServer(X_Dpy);
 
-	cc->state = mapped ? NormalState : IconicState;
 	cc->sc = sc;
 	cc->win = win;
 
@@ -103,16 +102,11 @@ client_init(Window win, struct screen_ctx *sc, int mapped)
 	if (wattr.map_state != IsViewable) {
 		client_placecalc(cc);
 		client_move(cc);
-		if ((cc->wmh) && (cc->wmh->flags & StateHint)) {
+		if ((cc->wmh) && (cc->wmh->flags & StateHint))
-			cc->state = cc->wmh->initial_state;
+			client_set_wm_state(cc, cc->wmh->initial_state);
-			xu_set_wm_state(cc->win, cc->state);
-		}
 	}
 	client_draw_border(cc);
 
-	if (xu_get_wm_state(cc->win, &state) < 0)
-		state = NormalState;
-
 	XSelectInput(X_Dpy, cc->win, ColormapChangeMask | EnterWindowMask |
 	    PropertyChangeMask | KeyReleaseMask);
 
@@ -123,6 +117,9 @@ client_init(Window win, struct screen_ctx *sc, int mapped)
 	/* Notify client of its configuration. */
 	client_config(cc);
 
+	if ((state = client_get_wm_state(cc)) < 0)
+		state = NormalState;
+
 	(state == IconicState) ? client_hide(cc) : client_unhide(cc);
 
 	TAILQ_INSERT_TAIL(&sc->mruq, cc, mru_entry);
@@ -425,7 +422,10 @@ client_ptrwarp(struct client_ctx *cc)
 		y = cc->geom.h / 2;
 	}
 
-	(cc->state == IconicState) ? client_unhide(cc) : client_raise(cc);
+	if (cc->flags & CLIENT_HIDDEN)
+		client_unhide(cc);
+	else
+		client_raise(cc);
 	xu_ptr_setpos(cc->win, x, y);
 }
 
@@ -451,8 +451,7 @@ client_hide(struct client_ctx *cc)
 
 	cc->active = 0;
 	cc->flags |= CLIENT_HIDDEN;
-	cc->state = IconicState;
+	client_set_wm_state(cc, IconicState);
-	xu_set_wm_state(cc->win, cc->state);
 
 	if (cc == client_current())
 		client_none(cc->sc);
@@ -464,8 +463,7 @@ client_unhide(struct client_ctx *cc)
 	XMapRaised(X_Dpy, cc->win);
 
 	cc->flags &= ~CLIENT_HIDDEN;
-	cc->state = NormalState;
+	client_set_wm_state(cc, NormalState);
-	xu_set_wm_state(cc->win, cc->state);
 	client_draw_border(cc);
 }
 
@@ -982,3 +980,26 @@ client_vtile(struct client_ctx *cc)
 		i++;
 	}
 }
+
+long
+client_get_wm_state(struct client_ctx *cc)
+{
+	long	*p, state = -1;
+
+	if (xu_getprop(cc->win, cwmh[WM_STATE], cwmh[WM_STATE], 2L,
+	    (unsigned char **)&p) > 0) {
+		state = *p;
+		XFree(p);
+	}
+	return(state);
+}
+
+void
+client_set_wm_state(struct client_ctx *cc, long state)
+{
+	long	 data[] = { state, None };
+
+	XChangeProperty(X_Dpy, cc->win, cwmh[WM_STATE], cwmh[WM_STATE], 32,
+	    PropModeReplace, (unsigned char *)data, 2);
+}
+

xevents.c

@@ -99,8 +99,7 @@ xev_handle_unmapnotify(XEvent *ee)
 
 	if ((cc = client_find(e->window)) != NULL) {
 		if (e->send_event) {
-			cc->state = WithdrawnState;
+			client_set_wm_state(cc, WithdrawnState);
-			xu_set_wm_state(cc->win, cc->state);
 		} else {
 			if (!(cc->flags & CLIENT_HIDDEN))
 				client_delete(cc);

xutil.c

@@ -157,33 +157,6 @@ xu_getstrprop(Window win, Atom atm, char **text) {
 	return (nitems);
 }
 
-int
-xu_get_wm_state(Window win, int *state)
-{
-	long	*p = NULL;
-
-	if (xu_getprop(win, cwmh[WM_STATE], cwmh[WM_STATE], 2L,
-	    (unsigned char **)&p) <= 0)
-		return (-1);
-
-	*state = (int)*p;
-	XFree((char *)p);
-
-	return (0);
-}
-
-void
-xu_set_wm_state(Window win, int state)
-{
-	long	 dat[2];
-
-	dat[0] = state;
-	dat[1] = None;
-
-	XChangeProperty(X_Dpy, win, cwmh[WM_STATE], cwmh[WM_STATE], 32,
-	    PropModeReplace, (unsigned char *)dat, 2);
-}
-
 /* Root Window Properties */
 void
 xu_ewmh_net_supported(struct screen_ctx *sc)