* src/xterm.c (handle_one_xevent): Check return value from

x_handle_net_wm_state, remove net_wm_state_hidden_seen.
(get_current_wm_state): Remove net_wm_state_hidden_seen setting.

* src/xterm.h (x_output): Remove net_wm_state_hidden_seen.

Fixes: debbugs:18722

3 files changed, 9 insertions, 10 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index de37d52bf79..02d7ef0d3a4 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,11 @@
 2014-10-19  Jan Djärv  <jan.h.d@swipnet.se>
 
+        * xterm.h (x_output): Remove net_wm_state_hidden_seen.
+
+        * xterm.c (handle_one_xevent): Check return value from
+        x_handle_net_wm_state, remove net_wm_state_hidden_seen (Bug#18722).
+        (get_current_wm_state): Remove net_wm_state_hidden_seen setting.
+
         * gtkutil.c (create_dialog): Don't use gtk_dialog_get_action_area on
         Gt+ >= 3.12, or gtk_misc_set_alignment on Gtk+ >= 3.14 (Bug#18674).
         (make_widget_for_menu_item): Don't use gtk_misc_set_alignment on
diff --git a/src/xterm.c b/src/xterm.c
index a1e338b54ee..53eb7b3625d 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -6850,9 +6850,8 @@ handle_one_xevent (struct x_display_info *dpyinfo,
       f = x_top_window_to_frame (dpyinfo, event->xproperty.window);
       if (f && event->xproperty.atom == dpyinfo->Xatom_net_wm_state)
         {
-          if (x_handle_net_wm_state (f, &event->xproperty)
-              && FRAME_ICONIFIED_P (f)
-              && f->output_data.x->net_wm_state_hidden_seen)
+          int not_hidden = x_handle_net_wm_state (f, &event->xproperty);
+          if (not_hidden && FRAME_ICONIFIED_P (f))
             {
               /* Gnome shell does not iconify us when C-z is pressed.
                  It hides the frame.  So if our state says we aren't
@@ -6860,12 +6859,10 @@ handle_one_xevent (struct x_display_info *dpyinfo,
               SET_FRAME_VISIBLE (f, 1);
               SET_FRAME_ICONIFIED (f, 0);
               f->output_data.x->has_been_visible = 1;
-              f->output_data.x->net_wm_state_hidden_seen = 0;
               inev.ie.kind = DEICONIFY_EVENT;
               XSETFRAME (inev.ie.frame_or_window, f);
             }
-          else if (! FRAME_ICONIFIED_P (f)
-                   && f->output_data.x->net_wm_state_hidden_seen)
+          else if (! not_hidden && ! FRAME_ICONIFIED_P (f))
             {
               SET_FRAME_VISIBLE (f, 0);
               SET_FRAME_ICONIFIED (f, 1);
@@ -9165,7 +9162,6 @@ get_current_wm_state (struct frame *f,
       if (a == dpyinfo->Xatom_net_wm_state_hidden)
         {
           is_hidden = 1;
-          f->output_data.x->net_wm_state_hidden_seen = 1;
         }
       else if (a == dpyinfo->Xatom_net_wm_state_maximized_horz)
         {
diff --git a/src/xterm.h b/src/xterm.h
index 0842195f330..23dd43678d6 100644
--- a/src/xterm.h
+++ b/src/xterm.h
@@ -609,9 +609,6 @@ struct x_output
      false, tell Xt not to wait.  */
   bool_bf wait_for_wm : 1;
 
-  /* True if _NET_WM_STATE_HIDDEN is set for this frame.  */
-  bool_bf net_wm_state_hidden_seen : 1;
-
 #ifdef HAVE_X_I18N
   /* Input context (currently, this means Compose key handler setup).  */
   XIC xic;