Add support for _NET_WM_STATE_SKIP_PAGER and _NET_WM_STATE_SKIP_TASKBAR; eerily

close to cwm's 'ignore'.

Roughly based on an initial diff from Walter Alejandro Iglesias, but with
support for both Atoms and without cwm-based bindings.

app/cwm/calmwm.h

@@ -15,7 +15,7 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  *
- * $OpenBSD: calmwm.h,v 1.346 2017/12/15 13:13:17 okan Exp $
+ * $OpenBSD: calmwm.h,v 1.347 2017/12/19 14:30:53 okan Exp $
  */
 
 #ifndef _CALMWM_H_
@@ -155,6 +155,11 @@ struct client_ctx {
 #define CLIENT_FULLSCREEN		0x0800
 #define CLIENT_STICKY			0x1000
 #define CLIENT_ACTIVE			0x2000
+#define CLIENT_SKIP_PAGER		0x4000
+#define CLIENT_SKIP_TASKBAR		0x8000
+
+#define CLIENT_SKIP_CYCLE		(CLIENT_HIDDEN | CLIENT_IGNORE | \
+					 CLIENT_SKIP_TASKBAR | CLIENT_SKIP_PAGER)
 #define CLIENT_HIGHLIGHT		(CLIENT_GROUP | CLIENT_UNGROUP)
 #define CLIENT_MAXFLAGS			(CLIENT_VMAXIMIZED | CLIENT_HMAXIMIZED)
 #define CLIENT_MAXIMIZED		(CLIENT_VMAXIMIZED | CLIENT_HMAXIMIZED)
@@ -353,13 +358,15 @@ enum ewmh {
 	_NET_WM_DESKTOP,
 	_NET_CLOSE_WINDOW,
 	_NET_WM_STATE,
-#define	_NET_WM_STATES_NITEMS	7
+#define	_NET_WM_STATES_NITEMS	9
 	_NET_WM_STATE_STICKY,
 	_NET_WM_STATE_MAXIMIZED_VERT,
 	_NET_WM_STATE_MAXIMIZED_HORZ,
 	_NET_WM_STATE_HIDDEN,
 	_NET_WM_STATE_FULLSCREEN,
 	_NET_WM_STATE_DEMANDS_ATTENTION,
+	_NET_WM_STATE_SKIP_PAGER,
+	_NET_WM_STATE_SKIP_TASKBAR,
 	_CWM_WM_STATE_FREEZE,
 	EWMH_NITEMS
 };
@@ -411,6 +418,8 @@ void			 client_toggle_fullscreen(struct client_ctx *);
 void			 client_toggle_hidden(struct client_ctx *);
 void			 client_toggle_hmaximize(struct client_ctx *);
 void			 client_toggle_maximize(struct client_ctx *);
+void			 client_toggle_skip_pager(struct client_ctx *);
+void			 client_toggle_skip_taskbar(struct client_ctx *);
 void			 client_toggle_sticky(struct client_ctx *);
 void			 client_toggle_vmaximize(struct client_ctx *);
 void			 client_transient(struct client_ctx *);

app/cwm/client.c

@@ -15,7 +15,7 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  *
- * $OpenBSD: client.c,v 1.240 2017/05/05 14:14:19 okan Exp $
+ * $OpenBSD: client.c,v 1.241 2017/12/19 14:30:53 okan Exp $
  */
 
 #include <sys/types.h>
@@ -265,6 +265,20 @@ client_toggle_hidden(struct client_ctx *cc)
 	xu_ewmh_set_net_wm_state(cc);
 }
 
+void
+client_toggle_skip_pager(struct client_ctx *cc)
+{
+	cc->flags ^= CLIENT_SKIP_PAGER;
+	xu_ewmh_set_net_wm_state(cc);
+}
+
+void
+client_toggle_skip_taskbar(struct client_ctx *cc)
+{
+	cc->flags ^= CLIENT_SKIP_TASKBAR;
+	xu_ewmh_set_net_wm_state(cc);
+}
+
 void
 client_toggle_sticky(struct client_ctx *cc)
 {
@@ -688,7 +702,7 @@ client_cycle(struct screen_ctx *sc, int flags)
 		    client_next(newcc);
 
 		/* Only cycle visible and non-ignored windows. */
-		if ((newcc->flags & (CLIENT_HIDDEN | CLIENT_IGNORE))
+		if ((newcc->flags & (CLIENT_SKIP_CYCLE))
 		    || ((flags & CWM_CYCLE_INGROUP) &&
 			(newcc->gc != oldcc->gc)))
 			again = 1;

app/cwm/conf.c

@@ -15,7 +15,7 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  *
- * $OpenBSD: conf.c,v 1.235 2017/12/07 16:25:33 okan Exp $
+ * $OpenBSD: conf.c,v 1.236 2017/12/19 14:30:53 okan Exp $
  */
 
 #include <sys/types.h>
@@ -720,6 +720,8 @@ static char *ewmhints[] = {
 	"_NET_WM_STATE_HIDDEN",
 	"_NET_WM_STATE_FULLSCREEN",
 	"_NET_WM_STATE_DEMANDS_ATTENTION",
+	"_NET_WM_STATE_SKIP_PAGER",
+	"_NET_WM_STATE_SKIP_TASKBAR",
 	"_CWM_WM_STATE_FREEZE",
 };
 

app/cwm/xutil.c

@@ -15,7 +15,7 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  *
- * $OpenBSD: xutil.c,v 1.108 2016/10/05 13:10:59 okan Exp $
+ * $OpenBSD: xutil.c,v 1.109 2017/12/19 14:30:53 okan Exp $
  */
 
 #include <sys/types.h>
@@ -368,6 +368,12 @@ xu_ewmh_handle_net_wm_state_msg(struct client_ctx *cc, int action,
 		{ _NET_WM_STATE_DEMANDS_ATTENTION,
 			CLIENT_URGENCY,
 			client_urgency },
+		{ _NET_WM_STATE_SKIP_PAGER,
+			CLIENT_SKIP_PAGER,
+			client_toggle_skip_pager},
+		{ _NET_WM_STATE_SKIP_TASKBAR,
+			CLIENT_SKIP_TASKBAR,
+			client_toggle_skip_taskbar},
 		{ _CWM_WM_STATE_FREEZE,
 			CLIENT_FREEZE,
 			client_toggle_freeze },
@@ -412,6 +418,10 @@ xu_ewmh_restore_net_wm_state(struct client_ctx *cc)
 			client_toggle_fullscreen(cc);
 		if (atoms[i] == ewmh[_NET_WM_STATE_DEMANDS_ATTENTION])
 			client_urgency(cc);
+		if (atoms[i] == ewmh[_NET_WM_STATE_SKIP_PAGER])
+			client_toggle_skip_pager(cc);
+		if (atoms[i] == ewmh[_NET_WM_STATE_SKIP_TASKBAR])
+			client_toggle_skip_taskbar(cc);
 		if (atoms[i] == ewmh[_CWM_WM_STATE_FREEZE])
 			client_toggle_freeze(cc);
 	}
@@ -433,6 +443,8 @@ xu_ewmh_set_net_wm_state(struct client_ctx *cc)
 		    oatoms[i] != ewmh[_NET_WM_STATE_HIDDEN] &&
 		    oatoms[i] != ewmh[_NET_WM_STATE_FULLSCREEN] &&
 		    oatoms[i] != ewmh[_NET_WM_STATE_DEMANDS_ATTENTION] &&
+		    oatoms[i] != ewmh[_NET_WM_STATE_SKIP_PAGER] &&
+		    oatoms[i] != ewmh[_NET_WM_STATE_SKIP_TASKBAR] &&
 		    oatoms[i] != ewmh[_CWM_WM_STATE_FREEZE])
 			atoms[j++] = oatoms[i];
 	}
@@ -451,6 +463,10 @@ xu_ewmh_set_net_wm_state(struct client_ctx *cc)
 	}
 	if (cc->flags & CLIENT_URGENCY)
 		atoms[j++] = ewmh[_NET_WM_STATE_DEMANDS_ATTENTION];
+	if (cc->flags & CLIENT_SKIP_PAGER)
+		atoms[j++] = ewmh[_NET_WM_STATE_SKIP_PAGER];
+	if (cc->flags & CLIENT_SKIP_TASKBAR)
+		atoms[j++] = ewmh[_NET_WM_STATE_SKIP_TASKBAR];
 	if (cc->flags & CLIENT_FREEZE)
 		atoms[j++] = ewmh[_CWM_WM_STATE_FREEZE];
 	if (j > 0)