editor: allow specifying IPv4 address for shared method

src/connection-editor/ce-page.h

@@ -104,9 +104,15 @@ typedef CEPage* (*CEPageNewFunc)(NMConnectionEditor *editor,
                                "configured in addition to the automatic ones.")
 #define CE_TOOLTIP_ADDR_MANUAL _("IP addresses identify your computer on the network.  " \
                                  "Click the \"Add\" button to add an IP address.")
+#define CE_TOOLTIP_ADDR_SHARED _("The IP address identify your computer on the network and " \
+                                 "determines the address range distributed to other computers.  " \
+                                 "Click the \"Add\" button to add an IP address.  "\
+                                 "If no address is provided, one in the 10.42.x.x range will " \
+                                 "be used.")
 
 #define CE_LABEL_ADDR_AUTO _("Additional static addresses")
 #define CE_LABEL_ADDR_MANUAL _("Addresses")
+#define CE_LABEL_ADDR_SHARED _("Address (optional)")
 
 GType ce_page_get_type (void);
 

src/connection-editor/page-ip4.c

@@ -60,6 +60,7 @@ typedef struct {
 	GtkTreeView *addr_list;
 	GtkCellRenderer *addr_cells[COL_LAST + 1];
 	GtkTreeModel *addr_saved;
+	guint32 addr_method;
 
 	/* DNS servers */
 	GtkWidget *dns_servers_label;
@@ -235,6 +236,22 @@ ip4_private_init (CEPageIP4 *self, NMConnection *connection)
 	priv->routes_button = GTK_BUTTON (gtk_builder_get_object (builder, "ip4_routes_button"));
 }
 
+static void
+address_list_changed (CEPageIP4 *self)
+{
+	CEPageIP4Private *priv = CE_PAGE_IP4_GET_PRIVATE (self);
+	GtkTreeModel *model;
+	int num_rows;
+
+	if (priv->addr_method != IP4_METHOD_SHARED)
+		return;
+
+	/* Only one address is allowed in shared mode */
+	model = gtk_tree_view_get_model (priv->addr_list);
+	num_rows = gtk_tree_model_iter_n_children (model, NULL);
+	gtk_widget_set_sensitive (GTK_WIDGET (priv->addr_add), num_rows == 0);
+}
+
 static void
 method_changed (GtkComboBox *combo, gpointer user_data)
 {
@@ -276,6 +293,10 @@ method_changed (GtkComboBox *combo, gpointer user_data)
 		label = CE_LABEL_ADDR_MANUAL;
 		break;
 	case IP4_METHOD_SHARED:
+		addr_enabled = TRUE;
+		tooltip = CE_TOOLTIP_ADDR_SHARED;
+		label = CE_LABEL_ADDR_SHARED;
+		break;
 	case IP4_METHOD_DISABLED:
 		addr_enabled = dns_enabled = dhcp_enabled = routes_enabled = ip4_required_enabled = FALSE;
 		break;
@@ -283,6 +304,7 @@ method_changed (GtkComboBox *combo, gpointer user_data)
 		break;
 	}
 
+	priv->addr_method = method;
 	gtk_widget_set_tooltip_text (GTK_WIDGET (priv->addr_list), tooltip);
 	gtk_label_set_text (GTK_LABEL (priv->addr_label), label);
 
@@ -316,6 +338,24 @@ method_changed (GtkComboBox *combo, gpointer user_data)
 		}
 	}
 
+	if (method == IP4_METHOD_SHARED) {
+		GtkTreeModel *model;
+		gboolean iter_valid;
+		int i;
+
+		/* Remove all rows except first */
+		model = gtk_tree_view_get_model (priv->addr_list);
+		iter_valid = gtk_tree_model_get_iter_first (model, &iter);
+		for (i = 0; iter_valid; i++) {
+			if (i > 0)
+				iter_valid = gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
+			else
+				iter_valid = gtk_tree_model_iter_next (model, &iter);
+		}
+	}
+
+	address_list_changed (user_data);
+
 	gtk_widget_set_sensitive (priv->dns_servers_label, dns_enabled);
 	if (method_auto)
 		gtk_label_set_text_with_mnemonic (GTK_LABEL (priv->dns_servers_label), _("Additional DNS ser_vers:"));
@@ -494,12 +534,14 @@ addr_add_clicked (GtkButton *button, gpointer user_data)
 
 	g_list_free (cells);
 	gtk_tree_path_free (path);
+	address_list_changed (user_data);
 }
 
 static void
 addr_delete_clicked (GtkButton *button, gpointer user_data)
 {
-	GtkTreeView *treeview = GTK_TREE_VIEW (user_data);
+	CEPageIP4Private *priv = CE_PAGE_IP4_GET_PRIVATE (user_data);
+	GtkTreeView *treeview = priv->addr_list;
 	GtkTreeSelection *selection;
 	GList *selected_rows;
 	GtkTreeModel *model = NULL;
@@ -525,6 +567,8 @@ addr_delete_clicked (GtkButton *button, gpointer user_data)
 		selection = gtk_tree_view_get_selection (treeview);
 		gtk_tree_selection_select_iter (selection, &iter);
 	}
+
+	address_list_changed (user_data);
 }
 
 static void
@@ -1142,7 +1186,7 @@ finish_setup (CEPageIP4 *self, gpointer unused, GError *error, gpointer user_dat
 	gtk_widget_set_sensitive (GTK_WIDGET (priv->addr_delete), FALSE);
 
 	g_signal_connect (priv->addr_add, "clicked", G_CALLBACK (addr_add_clicked), self);
-	g_signal_connect (priv->addr_delete, "clicked", G_CALLBACK (addr_delete_clicked), priv->addr_list);
+	g_signal_connect (priv->addr_delete, "clicked", G_CALLBACK (addr_delete_clicked), self);
 	selection = gtk_tree_view_get_selection (priv->addr_list);
 	g_signal_connect (selection, "changed", G_CALLBACK (list_selection_changed), priv->addr_delete);