prefs: Remove live-hidden-windows preference

The preference existed, even though it was hard-coded to true. Just
remove it for good.

https://bugzilla.gnome.org/show_bug.cgi?id=671104

src/core/prefs.c

@@ -53,7 +53,6 @@
 #define KEY_GNOME_CURSOR_SIZE "cursor-size"
 
 #define KEY_OVERLAY_KEY "overlay-key"
-#define KEY_LIVE_HIDDEN_WINDOWS "live-hidden-windows"
 #define KEY_WORKSPACES_ONLY_ON_PRIMARY "workspaces-only-on-primary"
 #define KEY_NO_TAB_POPUP "no-tab-popup"
 
@@ -104,7 +103,6 @@ static MetaButtonLayout button_layout;
 /* NULL-terminated array */
 static char **workspace_names = NULL;
 
-static gboolean live_hidden_windows = FALSE;
 static gboolean workspaces_only_on_primary = FALSE;
 
 static gboolean no_tab_popup = FALSE;
@@ -345,13 +343,6 @@ static MetaBoolPreference preferences_bool[] =
       },
       &edge_tiling,
     },
-    {
-      { KEY_LIVE_HIDDEN_WINDOWS,
-        SCHEMA_MUTTER,
-        META_PREF_LIVE_HIDDEN_WINDOWS,
-      },
-      &live_hidden_windows,
-    },
     {
       { "workspaces-only-on-primary",
         SCHEMA_MUTTER,
@@ -1613,9 +1604,6 @@ meta_preference_to_string (MetaPreference pref)
     case META_PREF_FORCE_FULLSCREEN:
       return "FORCE_FULLSCREEN";
 
-    case META_PREF_LIVE_HIDDEN_WINDOWS:
-      return "LIVE_HIDDEN_WINDOWS";
-
     case META_PREF_WORKSPACES_ONLY_ON_PRIMARY:
       return "WORKSPACES_ONLY_ON_PRIMARY";
 
@@ -2127,27 +2115,6 @@ meta_prefs_get_force_fullscreen (void)
   return force_fullscreen;
 }
 
-gboolean
-meta_prefs_get_live_hidden_windows (void)
-{
-#if 0
-  return live_hidden_windows;
-#else
-  return TRUE;
-#endif
-}
-
-void
-meta_prefs_set_live_hidden_windows (gboolean whether)
-{
-  MetaBasePreference *pref;
-
-  find_pref (preferences_bool, sizeof(MetaBoolPreference),
-             KEY_LIVE_HIDDEN_WINDOWS, &pref);
-  g_settings_set_boolean (SETTINGS (pref->schema), KEY_LIVE_HIDDEN_WINDOWS,
-                          whether);
-}
-
 gboolean
 meta_prefs_get_workspaces_only_on_primary (void)
 {

src/core/window.c

@@ -2225,7 +2225,7 @@ implement_showing (MetaWindow *window,
        * so we should place the window even if we're hiding it rather
        * than showing it.
        */
-      if (!window->placed && meta_prefs_get_live_hidden_windows ())
+      if (!window->placed)
         meta_window_force_placement (window);
 
       meta_window_hide (window);
@@ -3108,15 +3108,12 @@ meta_window_show (MetaWindow *window)
       if (map_client_window (window))
         did_show = TRUE;
 
-      if (meta_prefs_get_live_hidden_windows ())
+      if (window->hidden)
         {
-          if (window->hidden)
+          meta_stack_freeze (window->screen->stack);
-            {
+          window->hidden = FALSE;
-              meta_stack_freeze (window->screen->stack);
+          meta_stack_thaw (window->screen->stack);
-              window->hidden = FALSE;
+          did_show = TRUE;
-              meta_stack_thaw (window->screen->stack);
-              did_show = TRUE;
-            }
         }
 
       if (window->iconic)
@@ -3251,32 +3248,19 @@ meta_window_hide (MetaWindow *window)
 
   did_hide = FALSE;
 
-  if (meta_prefs_get_live_hidden_windows ())
+  /* If this is the first time that we've calculating the showing
-    {
+   * state of the window, the frame and client window might not
-      /* If this is the first time that we've calculating the showing
+   * yet be mapped, so we need to map them now */
-       * state of the window, the frame and client window might not
+  map_frame (window);
-       * yet be mapped, so we need to map them now */
+  map_client_window (window);
-      map_frame (window);
-      map_client_window (window);
 
-      if (!window->hidden)
+  if (!window->hidden)
-        {
-          meta_stack_freeze (window->screen->stack);
-          window->hidden = TRUE;
-          meta_stack_thaw (window->screen->stack);
-
-          did_hide = TRUE;
-        }
-    }
-  else
     {
-      /* Unmapping the frame is enough to make the window disappear,
+      meta_stack_freeze (window->screen->stack);
-       * but we need to hide the window itself so the client knows
+      window->hidden = TRUE;
-       * it has been hidden */
+      meta_stack_thaw (window->screen->stack);
-      if (unmap_frame (window))
+
-        did_hide = TRUE;
+      did_hide = TRUE;
-      if (unmap_client_window (window, " (hiding)"))
-        did_hide = TRUE;
     }
 
   if (!window->iconic)
@@ -5827,7 +5811,7 @@ update_net_frame_extents (MetaWindow *window)
 
   meta_topic (META_DEBUG_GEOMETRY,
               "Setting _NET_FRAME_EXTENTS on managed window 0x%lx "
-              "to left = %lu, right = %lu, top = %lu, bottom = %lu\n",
+ "to left = %lu, right = %lu, top = %lu, bottom = %lu\n",
               window->xwindow, data[0], data[1], data[2], data[3]);
 
   meta_error_trap_push (window->display);
@@ -8243,10 +8227,6 @@ menu_callback (MetaWindowMenu *menu,
 	{
 	  meta_window_change_workspace (window,
 					workspace);
-#if 0
-	  meta_workspace_activate (workspace);
-	  meta_window_raise (window);
-#endif
 	}
     }
   else
@@ -8336,13 +8316,6 @@ meta_window_show_menu (MetaWindow *window,
   else
     ops |= META_MENU_OP_MAXIMIZE;
 
-#if 0
-  if (window->shaded)
-    ops |= META_MENU_OP_UNSHADE;
-  else
-    ops |= META_MENU_OP_SHADE;
-#endif
-
   if (window->wm_state_above)
     ops |= META_MENU_OP_UNABOVE;
   else

src/meta/prefs.h

@@ -64,7 +64,6 @@ typedef enum
   META_PREF_RESIZE_WITH_RIGHT_BUTTON,
   META_PREF_EDGE_TILING,
   META_PREF_FORCE_FULLSCREEN,
-  META_PREF_LIVE_HIDDEN_WINDOWS,
   META_PREF_WORKSPACES_ONLY_ON_PRIMARY,
   META_PREF_NO_TAB_POPUP,
   META_PREF_DRAGGABLE_BORDER_WIDTH
@@ -139,9 +138,6 @@ void meta_prefs_set_compositing_manager (gboolean whether);
 
 void meta_prefs_set_force_fullscreen (gboolean whether);
 
-gboolean meta_prefs_get_live_hidden_windows (void);
-void     meta_prefs_set_live_hidden_windows (gboolean whether);
-
 gboolean meta_prefs_get_workspaces_only_on_primary (void);
 
 gboolean meta_prefs_get_no_tab_popup (void);

src/org.gnome.mutter.gschema.xml.in

@@ -25,16 +25,6 @@
       </_description>
     </key>
 
-    <key name="live-hidden-windows" type="b">
-      <default>false</default>
-      <_summary>Live Hidden Windows</_summary>
-      <_description>
-        Determines whether hidden windows (i.e., minimized windows and
-        windows on other workspaces than the current one) should be kept
-        alive.
-      </_description>
-    </key>
-
     <key name="edge-tiling" type="b">
       <default>false</default>
       <_summary>Enable edge tiling when dropping windows on screen edges</_summary>