New function. Set the sensitivity of the subscribe buttons based on

2001-08-08  Peter Williams  <peterw@ximian.com>

	* subscribe-dialog.c (sc_selection_changed): New function. Set the
	sensitivity of the subscribe buttons based on whether any folders
	are selected.
	(menu_item_selected): If getting the widget for the first time,
	hook up sc_selection_changed.

svn path=/trunk/; revision=11800

2 files changed, 30 insertions, 0 deletions

diff --git a/mail/ChangeLog b/mail/ChangeLog
index 83db8c5aa9..5d43a91671 100644
--- a/mail/ChangeLog
+++ b/mail/ChangeLog
@@ -1,5 +1,13 @@
 2001-08-08  Peter Williams  <peterw@ximian.com>
 
+	* subscribe-dialog.c (sc_selection_changed): New function. Set the
+	sensitivity of the subscribe buttons based on whether any folders
+	are selected.
+	(menu_item_selected): If getting the widget for the first time,
+	hook up sc_selection_changed.
+
+2001-08-08  Peter Williams  <peterw@ximian.com>
+
 	* mail-ops.c (mail_update_subfolders): Change this gtk_object_ref
 	on the storage to a bonobo_object_ref.
 
diff --git a/mail/subscribe-dialog.c b/mail/subscribe-dialog.c
index c075bbfa00..7ab8ba38df 100644
--- a/mail/subscribe-dialog.c
+++ b/mail/subscribe-dialog.c
@@ -1314,6 +1314,21 @@ kill_default_view (SubscribeDialog *sc)
 }
 
 static void
+sc_selection_changed (GtkObject *obj, gpointer user_data)
+{
+	SubscribeDialog *sc = SUBSCRIBE_DIALOG (user_data);
+	gboolean sensitive;
+
+	if (e_selection_model_selected_count (E_SELECTION_MODEL (obj)))
+		sensitive = TRUE;
+	else
+		sensitive = FALSE;
+
+	gtk_widget_set_sensitive (sc->priv->sub_button, sensitive);
+	gtk_widget_set_sensitive (sc->priv->unsub_button, sensitive);
+}
+
+static void
 menu_item_selected (GtkMenuItem *item, gpointer user_data)
 {
 	SubscribeDialog *sc = SUBSCRIBE_DIALOG (user_data);
@@ -1323,9 +1338,16 @@ menu_item_selected (GtkMenuItem *item, gpointer user_data)
 
 	if (sd->widget == NULL) {
 		GtkWidget *widget;
+		ESelectionModel *esm;
+		ETree *tree;
 
 		widget = store_data_get_widget (sd);
 		gtk_box_pack_start (GTK_BOX (sc->priv->hbox), widget, TRUE, TRUE, 0);
+
+		tree = e_tree_scrolled_get_tree (E_TREE_SCROLLED (widget));
+		esm = e_tree_get_selection_model (tree);
+		gtk_signal_connect (GTK_OBJECT (esm), "selection_changed", sc_selection_changed, sc);
+		sc_selection_changed ((GtkObject *)esm, sc);
 	}
 
 	if (sc->priv->current_widget == sc->priv->default_widget)