[file-roller] do not allow to create a second 'New Archive' dialog

[Paolo Bacchilega <paobac src gnome org>]

commit 3664154da5bc0b569d3a4cf6a2bee6abe8f0f871
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Wed Jun 12 10:37:46 2013 +0200

    do not allow to create a second 'New Archive' dialog
    
    [bug #701992]

 src/fr-window.c |   54 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 src/fr-window.h |    5 +++++
 2 files changed, 58 insertions(+), 1 deletions(-)
---
diff --git a/src/fr-window.c b/src/fr-window.c
index 8dad499..9524408 100644
--- a/src/fr-window.c
+++ b/src/fr-window.c
@@ -248,6 +248,7 @@ struct _FrWindowPrivate {
        GtkTreePath       *list_hover_path;
        GtkTreeViewColumn *filename_column;
        GtkWindowGroup    *window_group;
+       GHashTable        *named_dialogs;
 
        gboolean         filter_mode;
        gint             current_view_length;
@@ -586,7 +587,7 @@ fr_window_free_private_data (FrWindow *window)
        _g_object_unref (window->priv->settings_nautilus);
 
        _g_object_unref (window->priv->cancellable);
-
+       g_hash_table_unref (window->priv->named_dialogs);
        g_object_unref (window->priv->window_group);
 }
 
@@ -623,6 +624,52 @@ fr_window_close (FrWindow *window)
 }
 
 
+#define DIALOG_NAME_KEY "fr_dialog_name"
+
+
+static void
+unset_dialog (GtkWidget *object,
+              gpointer   user_data)
+{
+       FrWindow   *window = user_data;
+       const char *dialog_name;
+
+       dialog_name = g_object_get_data (G_OBJECT (object), DIALOG_NAME_KEY);
+       if (dialog_name != NULL)
+               g_hash_table_remove (window->priv->named_dialogs, dialog_name);
+}
+
+
+void
+fr_window_set_dialog (FrWindow   *window,
+                     const char *dialog_name,
+                     GtkWidget  *dialog)
+{
+       g_object_set_data (G_OBJECT (dialog), DIALOG_NAME_KEY, (gpointer) _g_str_get_static (dialog_name));
+       g_hash_table_insert (window->priv->named_dialogs, (gpointer) dialog_name, dialog);
+       g_signal_connect (dialog,
+                         "destroy",
+                         G_CALLBACK (unset_dialog),
+                         window);
+}
+
+
+gboolean
+fr_window_present_dialog_if_created (FrWindow   *window,
+                                    const char *dialog_name)
+{
+       GtkWidget *dialog;
+
+       dialog = g_hash_table_lookup (window->priv->named_dialogs, dialog_name);
+       if (dialog != NULL) {
+               gtk_window_present (GTK_WINDOW (dialog));
+               return TRUE;
+       }
+
+       return FALSE;
+}
+
+
 static void
 fr_window_finalize (GObject *object)
 {
@@ -830,6 +877,7 @@ fr_window_init (FrWindow *window)
        window->priv->compression = FR_COMPRESSION_NORMAL;
        window->priv->window_group = gtk_window_group_new ();
        window->priv->populating_file_list = FALSE;
+       window->priv->named_dialogs = g_hash_table_new (g_str_hash, g_str_equal);
        gtk_window_group_add_window (window->priv->window_group, GTK_WINDOW (window));
 
        window->archive = NULL;
@@ -7205,6 +7253,9 @@ fr_window_action_new_archive (FrWindow *window)
 {
        GtkWidget *dialog;
 
+       if (fr_window_present_dialog_if_created (window, "new_archive"))
+               return;
+
        dialog = fr_new_archive_dialog_new (_("New Archive"),
                                            GTK_WINDOW (window),
                                            FR_NEW_ARCHIVE_ACTION_NEW_MANY_FILES,
@@ -7217,6 +7268,7 @@ fr_window_action_new_archive (FrWindow *window)
                          "response",
                          G_CALLBACK (new_archive_dialog_response_cb),
                          window);
+       fr_window_set_dialog (window, "new_archive", dialog);
        gtk_window_present (GTK_WINDOW (dialog));
 }
 
diff --git a/src/fr-window.h b/src/fr-window.h
index df85d67..daa6af7 100644
--- a/src/fr-window.h
+++ b/src/fr-window.h
@@ -106,6 +106,11 @@ struct _FrWindowClass
 GType           fr_window_get_type                     (void);
 GtkWidget *     fr_window_new                          (void);
 void            fr_window_close                        (FrWindow      *window);
+void            fr_window_set_dialog                  (FrWindow      *window,
+                                                       const char    *dialog_name,
+                                                       GtkWidget     *dialog);
+gboolean        fr_window_present_dialog_if_created    (FrWindow      *window,
+                                                       const char    *dialog_name);
 
 /* archive operations */