[yelp] Fix crash when opening URI after closing a window

[Shaun McCance <shaunm src gnome org>]

commit 7af18960eb297a8b12fb783f6d4a865adcfc5af1
Author: Shaun McCance <shaunm gnome org>
Date:   Fri Jun 24 20:46:34 2011 -0400

    Fix crash when opening URI after closing a window
    
    I had the right code for this. It got accidentally removed with the
    late-cycle port to GApplication.

 src/yelp-application.c |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)
---
diff --git a/src/yelp-application.c b/src/yelp-application.c
index 94f13ae..1966500 100644
--- a/src/yelp-application.c
+++ b/src/yelp-application.c
@@ -88,6 +88,9 @@ static int           yelp_application_command_line     (GApplication          *a
                                                         GApplicationCommandLine *cmdline);
 static void          application_uri_resolved          (YelpUri               *uri,
                                                         YelpApplicationLoad   *data);
+static gboolean      application_window_deleted        (YelpWindow            *window,
+                                                        GdkEvent              *event,
+                                                        YelpApplication       *app);
 GSettings *          application_get_doc_settings      (YelpApplication       *app,
                                                         const gchar           *doc_uri);
 static void          application_adjust_font           (GtkAction             *action,
@@ -451,6 +454,8 @@ application_uri_resolved (YelpUri             *uri,
             g_free (doc_uri);
         }
 
+        g_signal_connect (window, "delete-event",
+                          G_CALLBACK (application_window_deleted), data->app);
         gtk_window_set_application (GTK_WINDOW (window),
                                     GTK_APPLICATION (data->app));
     }
@@ -481,6 +486,22 @@ application_uri_resolved (YelpUri             *uri,
     g_free (data);
 }
 
+static gboolean
+application_window_deleted (YelpWindow      *window,
+                            GdkEvent        *event,
+                            YelpApplication *app)
+{
+    gchar *doc_uri; /* owned by windows_by_document */
+    YelpApplicationPrivate *priv = GET_PRIV (app);
+
+    priv->windows = g_slist_remove (priv->windows, window);
+    doc_uri = g_object_get_data (G_OBJECT (window), "doc_uri");
+    if (doc_uri)
+        g_hash_table_remove (priv->windows_by_document, doc_uri);
+
+    return FALSE;
+}
+
 GSettings *
 application_get_doc_settings (YelpApplication *app, const gchar *doc_uri)
 {