...

src/run-metacity.sh

@@ -40,5 +40,5 @@ if test -z "$ONLY_WM"; then
 fi
 
 if test -z "$ONLY_SETUP"; then
-  METACITY_UISLAVE_DIR=./uislave METACITY_DISPLAY=:1 exec unst libtool --mode=execute $DEBUG ./metacity $OPTIONS
+  METACITY_DISPLAY=:1 exec unst libtool --mode=execute $DEBUG ./metacity $OPTIONS
 fi

src/session.c

@@ -448,7 +448,7 @@ set_clone_restart_commands (void)
   char *session_file;
 
   session_file = g_strconcat (g_get_home_dir (),
-                              ".metacity/sessions/",
+                              "/.metacity/sessions/",
                               client_id,
                               NULL);
   
@@ -701,7 +701,7 @@ save_state (void)
                     int n;
                     n = meta_workspace_screen_index (w->data);
                     fprintf (outfile,
-                             "<workspace index=\"%d\"/>\n", n);
+                             "    <workspace index=\"%d\"/>\n", n);
 
                     w = w->next;
                   }
@@ -796,8 +796,8 @@ load_state (const char *previous_id)
   char *session_file;
 
   session_file = g_strconcat (g_get_home_dir (),
-                              ".metacity/sessions/",
+                              "/.metacity/sessions/",
-                              client_id,
+                              previous_id,
                               NULL);
 
   error = NULL;
@@ -845,7 +845,7 @@ load_state (const char *previous_id)
   g_free (text);
 }
 
-
+/* FIXME this isn't very robust against bogus session files */
 static void
 start_element_handler  (GMarkupParseContext *context,
                         const gchar         *element_name,
@@ -858,7 +858,11 @@ start_element_handler  (GMarkupParseContext *context,
 
   pd = user_data;
 
-  if (strcmp (element_name, "window") == 0)
+  if (strcmp (element_name, "metacity_session") == 0)
+    {
+      /* do nothing */
+    }
+  else if (strcmp (element_name, "window") == 0)
     {
       int i;
       
@@ -1051,8 +1055,7 @@ get_possible_matches (MetaWindow *window)
 
       info = tmp->data;
       
-      if (both_null_or_matching (info->id,
+      if (both_null_or_matching (info->id, window->sm_client_id) && 
-                                 window->sm_client_id) && 
           both_null_or_matching (info->res_class, window->res_class) &&
           both_null_or_matching (info->res_name, window->res_name) &&
           both_null_or_matching (info->role, window->role))
@@ -1065,7 +1068,37 @@ get_possible_matches (MetaWindow *window)
 
           retval = g_slist_prepend (retval, info);
         }
-        
+      else
+        {
+          if (meta_is_verbose ())
+            {
+              if (!both_null_or_matching (info->id, window->sm_client_id))
+                meta_verbose ("Window %s has SM client ID %s, saved state has %s, no match\n",
+                              window->desc,
+                              window->sm_client_id ? window->sm_client_id : "(none)",
+                              info->id ? info->id : "(none)");
+              else if (!both_null_or_matching (info->res_class, window->res_class))
+                meta_verbose ("Window %s has class %s doesn't match saved class %s, no match\n",
+                              window->desc,
+                              window->res_class ? window->res_class : "(none)",
+                              info->res_class ? info->res_class : "(none)");
+
+              else if (!both_null_or_matching (info->res_name, window->res_name))
+                meta_verbose ("Window %s has name %s doesn't match saved name %s, no match\n",
+                              window->desc,
+                              window->res_name ? window->res_name : "(none)",
+                              info->res_name ? info->res_name : "(none)");
+              else if (!both_null_or_matching (info->role, window->role))
+                meta_verbose ("Window %s has role %s doesn't match saved role %s, no match\n",
+                              window->desc,
+                              window->role ? window->role : "(none)",
+                              info->role ? info->role : "(none)");
+              else
+                meta_verbose ("???? should not happen - window %s doesn't match saved state %s for no good reason\n",
+                              window->desc, info->id);
+            }
+        }
+      
       tmp = tmp->next;
     }
 
@@ -1129,14 +1162,21 @@ meta_window_lookup_saved_state (MetaWindow *window)
    * situations other than on session restore.
    */
   if (window->sm_client_id == NULL)
-    return NULL;
+    {
+      meta_verbose ("Window %s is not session managed, not checking for saved state\n", window->desc);
+      return NULL;
+    }
 
   possibles = get_possible_matches (window);
 
   if (possibles == NULL)
-    return NULL;
+    {
+      meta_verbose ("Window %s has no possible matches in the list of saved window states\n",
+                    window->desc);
+      return NULL;
+    }
 
-  info = find_best_match (possibles, window);  
+  info = find_best_match (possibles, window);
   
   g_slist_free (possibles);
   

src/session.h

@@ -28,14 +28,39 @@ typedef struct _MetaWindowSessionInfo MetaWindowSessionInfo;
 
 struct _MetaWindowSessionInfo
 {
-  int workspace;
+  /* Fields we use to match against */
 
+  char *id;
+  char *res_class;
+  char *res_name;
+  char *title;
+  char *role;
+  MetaWindowType type;
+
+  /* Information we restore */
+  
+  GSList *workspace_indices;  
+  
+  /* width/height should be multiplied by resize inc and
+   * added to base size; position should be interpreted in
+   * light of gravity. This preserves semantics of the
+   * window size/pos, even if fonts/themes change, etc.
+   */
+  int gravity;
+  MetaRectangle rect;
+  guint on_all_workspaces : 1;
+
+  guint geometry_set : 1;
+  guint on_all_workspaces_set : 1;
 };
 
-void meta_window_lookup_saved_state (MetaWindow *window,
+/* If lookup_saved_state returns something, it should be used,
-                                     MetaWindowSessionInfo *info);
+ * and then released when you're done with it.
+ */
+const MetaWindowSessionInfo* meta_window_lookup_saved_state  (MetaWindow                  *window);
+void                         meta_window_release_saved_state (const MetaWindowSessionInfo *info);
 
-void meta_session_init             (const char *previous_id);
+void meta_session_init (const char *previous_id);
 
 
 #endif

src/window.c

@@ -28,6 +28,7 @@
 #include "keybindings.h"
 #include "ui.h"
 #include "place.h"
+#include "session.h"
 
 #include <X11/Xatom.h>
 
@@ -86,6 +87,10 @@ static gboolean get_cardinal (MetaDisplay *display,
 
 void meta_window_unqueue_calc_showing (MetaWindow *window);
 
+static void meta_window_apply_session_info (MetaWindow                  *window,
+                                            const MetaWindowSessionInfo *info);
+
+
 MetaWindow*
 meta_window_new (MetaDisplay *display, Window xwindow,
                  gboolean must_be_viewable)
@@ -451,6 +456,19 @@ meta_window_new (MetaDisplay *display, Window xwindow,
   meta_stack_add (window->screen->stack, 
                   window);
 
+  /* Now try applying saved stuff from the session */
+  {
+    const MetaWindowSessionInfo *info;
+
+    info = meta_window_lookup_saved_state (window);
+
+    if (info)
+      {
+        meta_window_apply_session_info (window, info);
+        meta_window_release_saved_state (info);
+      }
+  }
+  
   /* Sync stack changes */
   meta_stack_thaw (window->screen->stack);
   
@@ -461,6 +479,72 @@ meta_window_new (MetaDisplay *display, Window xwindow,
   return window;
 }
 
+/* This function should only be called from the end of meta_window_new () */
+static void
+meta_window_apply_session_info (MetaWindow *window,
+                                const MetaWindowSessionInfo *info)
+{
+  if (info->on_all_workspaces_set)
+    {
+      window->on_all_workspaces = info->on_all_workspaces;
+      meta_verbose ("Restoring sticky state %d for window %s\n",
+                    window->on_all_workspaces, window->desc);
+    }
+  
+  if (info->workspace_indices)
+    {
+      GSList *tmp;
+      GSList *spaces;      
+
+      spaces = NULL;
+      
+      tmp = info->workspace_indices;
+      while (tmp != NULL)
+        {
+          MetaWorkspace *space;          
+
+          space =
+            meta_display_get_workspace_by_screen_index (window->display,
+                                                        window->screen,
+                                                        GPOINTER_TO_INT (tmp->data));
+          
+          if (space)
+            spaces = g_slist_prepend (spaces, space);
+          
+          tmp = tmp->next;
+        }
+
+      if (spaces)
+        {
+          /* This briefly breaks the invariant that we are supposed
+           * to always be on some workspace. But we paranoically
+           * ensured that one of the workspaces from the session was
+           * indeed valid, so we know we'll go right back to one.
+           */
+          while (window->workspaces)
+            meta_workspace_remove_window (window->workspaces->next->data, window);
+
+          tmp = spaces;
+          while (tmp != NULL)
+            {
+              MetaWorkspace *space;
+
+              space = tmp->data;
+              
+              meta_workspace_add_window (space, window);              
+
+              meta_verbose ("Restoring saved window %s to workspace %d\n",
+                            window->desc,
+                            meta_workspace_screen_index (space));
+              
+              tmp = tmp->next;
+            }
+
+          g_slist_free (spaces);
+        }
+    }
+}
+
 void
 meta_window_free (MetaWindow  *window)
 {