From b44ef3383c7c51591ddbe69a29bb0d9ac6e4ead6 Mon Sep 17 00:00:00 2001
From: David Delassus <david.jose.delassus@gmail.com>
Date: Tue, 17 Apr 2012 14:20:21 +0200
Subject: [PATCH 1/2] Manage _NET_WM_WINDOW_TYPE_DESKTOP

---
 src/event.c | 26 ++++++++++++++++++++++++++
 src/ewmh.c  |  1 +
 src/ewmh.h  |  1 +
 3 files changed, 28 insertions(+)

diff --git a/src/event.c b/src/event.c
index 7b9dc26..0c1c042 100644
--- a/src/event.c
+++ b/src/event.c
@@ -242,11 +242,37 @@ event_maprequest(XEvent *e)
      XWindowAttributes at;
      struct _systray *s;
 
+     Atom *atom, rf;
+     int f;
+     unsigned long n, il, i;
+     unsigned char *data = NULL;
+
      /* Which windows to manage */
      if(!XGetWindowAttributes(EVDPY(e), ev->window, &at)
         || at.override_redirect)
           return;
 
+     if(XGetWindowProperty(EVDPY(e), ev->window, W->net_atom[net_wm_window_type], 0L, 0x7FFFFFFF,
+                           False, XA_ATOM, &rf, &f, &n, &il, &data) == Success && n)
+     {
+          atom = (Atom*)data;
+
+          for(i = 0; i < n; ++i)
+          {
+               /* If it is a _NET_WM_WINDOW_TYPE_DESKTOP window */
+               if(atom[i] == W->net_atom[net_wm_window_type_desktop])
+               {
+                    /* map it, but don't manage it */
+                    XMapWindow(EVDPY(e), ev->window);
+                    XMapSubwindows(EVDPY(e), ev->window);
+                    XFree(data);
+                    return;
+               }
+          }
+
+          XFree(data);
+     }
+
      if(!client_gb_win(ev->window))
           client_new(ev->window, &at, false);
      else if((s = systray_find(ev->window)))
diff --git a/src/ewmh.c b/src/ewmh.c
index 8bb32cc..f21e1dc 100644
--- a/src/ewmh.c
+++ b/src/ewmh.c
@@ -42,6 +42,7 @@ ewmh_init(void)
      W->net_atom[net_supporting_wm_check]        = ATOM("_NET_SUPPORTING_WM_CHECK");
      W->net_atom[net_wm_window_opacity]          = ATOM("_NET_WM_WINDOW_OPACITY");
      W->net_atom[net_wm_window_type_normal]      = ATOM("_NET_WM_WINDOW_TYPE_NORMAL");
+     W->net_atom[net_wm_window_type_desktop]     = ATOM("_NET_WM_WINDOW_TYPE_DESKTOP");
      W->net_atom[net_wm_window_type_dock]        = ATOM("_NET_WM_WINDOW_TYPE_DOCK");
      W->net_atom[net_wm_window_type_splash]      = ATOM("_NET_WM_WINDOW_TYPE_SPLASH");
      W->net_atom[net_wm_window_type_dialog]      = ATOM("_NET_WM_WINDOW_TYPE_DIALOG");
diff --git a/src/ewmh.h b/src/ewmh.h
index 111b3b8..becffca 100644
--- a/src/ewmh.h
+++ b/src/ewmh.h
@@ -60,6 +60,7 @@ enum
      net_supporting_wm_check,
      net_wm_window_opacity,
      net_wm_window_type_normal,
+     net_wm_window_type_desktop,
      net_wm_window_type_dock,
      net_wm_window_type_splash,
      net_wm_window_type_dialog,

From 3878e89b99765974afce3b1231472809132659cb Mon Sep 17 00:00:00 2001
From: David Delassus <david.jose.delassus@gmail.com>
Date: Tue, 17 Apr 2012 14:36:17 +0200
Subject: [PATCH 2/2] Clean up code

---
 src/event.c | 29 ++---------------------------
 src/ewmh.c  | 33 +++++++++++++++++++++++++++++++++
 src/ewmh.h  |  1 +
 3 files changed, 36 insertions(+), 27 deletions(-)

diff --git a/src/event.c b/src/event.c
index 0c1c042..ace1ee8 100644
--- a/src/event.c
+++ b/src/event.c
@@ -242,37 +242,12 @@ event_maprequest(XEvent *e)
      XWindowAttributes at;
      struct _systray *s;
 
-     Atom *atom, rf;
-     int f;
-     unsigned long n, il, i;
-     unsigned char *data = NULL;
-
      /* Which windows to manage */
      if(!XGetWindowAttributes(EVDPY(e), ev->window, &at)
-        || at.override_redirect)
+        || at.override_redirect
+        || ewmh_manage_window_type_desktop(ev->window))
           return;
 
-     if(XGetWindowProperty(EVDPY(e), ev->window, W->net_atom[net_wm_window_type], 0L, 0x7FFFFFFF,
-                           False, XA_ATOM, &rf, &f, &n, &il, &data) == Success && n)
-     {
-          atom = (Atom*)data;
-
-          for(i = 0; i < n; ++i)
-          {
-               /* If it is a _NET_WM_WINDOW_TYPE_DESKTOP window */
-               if(atom[i] == W->net_atom[net_wm_window_type_desktop])
-               {
-                    /* map it, but don't manage it */
-                    XMapWindow(EVDPY(e), ev->window);
-                    XMapSubwindows(EVDPY(e), ev->window);
-                    XFree(data);
-                    return;
-               }
-          }
-
-          XFree(data);
-     }
-
      if(!client_gb_win(ev->window))
           client_new(ev->window, &at, false);
      else if((s = systray_find(ev->window)))
diff --git a/src/ewmh.c b/src/ewmh.c
index f21e1dc..e2472ea 100644
--- a/src/ewmh.c
+++ b/src/ewmh.c
@@ -268,3 +268,36 @@ ewmh_manage_window_type(struct client *c)
      }
 }
 
+bool
+ewmh_manage_window_type_desktop(Window win)
+{
+     Atom *atom, rf;
+     int f;
+     unsigned long n, il, i;
+     unsigned char *data = NULL;
+     bool is_desktop = false;
+
+     if(XGetWindowProperty(W->dpy, win, W->net_atom[net_wm_window_type], 0L, 0x7FFFFFFF,
+                           False, XA_ATOM, &rf, &f, &n, &il, &data) == Success && n)
+     {
+          atom = (Atom*)data;
+
+          for(i = 0; i < n; ++i)
+          {
+               /* If it is a _NET_WM_WINDOW_TYPE_DESKTOP window */
+               if(atom[i] == W->net_atom[net_wm_window_type_desktop])
+               {
+                    /* map it, but don't manage it */
+                    XMapWindow(W->dpy, win);
+                    XMapSubwindows(W->dpy, win);
+
+                    is_desktop = true;
+                    break;
+               }
+          }
+
+          XFree(data);
+     }
+
+     return is_desktop;
+}
diff --git a/src/ewmh.h b/src/ewmh.h
index becffca..28535fe 100644
--- a/src/ewmh.h
+++ b/src/ewmh.h
@@ -125,5 +125,6 @@ long ewmh_get_xembed_state(Window win);
 void ewmh_update_wmfs_props(void);
 void ewmh_manage_state(long data[], struct client *c);
 void ewmh_manage_window_type(struct client *c);
+bool ewmh_manage_window_type_desktop(Window win);
 
 #endif /* EWMH_H */