X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-studio%2Ftrunk%2Fsrc%2Fgtkmm%2Fwidget_canvaschooser.cpp;h=883c9e3c42c6ea0038d13f298100336e3abac770;hb=d07cf2aeaf95ac90d7eca16ab39a4c4bda9743e6;hp=c6f97cd38b0bb09c156a7ee803efb8f1ce6aa922;hpb=837b63e9fb829d66d43f4f169861f8979f76820d;p=synfig.git

diff --git a/synfig-studio/trunk/src/gtkmm/widget_canvaschooser.cpp b/synfig-studio/trunk/src/gtkmm/widget_canvaschooser.cpp
index c6f97cd..883c9e3 100644
--- a/synfig-studio/trunk/src/gtkmm/widget_canvaschooser.cpp
+++ b/synfig-studio/trunk/src/gtkmm/widget_canvaschooser.cpp
@@ -129,7 +129,21 @@ void
 Widget_CanvasChooser::chooser_menu()
 {
 	String canvas_name;
-	App::dialog_entry(_("Choose Canvas"),_("Enter the relative name of the canvas that you want"),canvas_name);
+
+	if (!App::dialog_entry(_("Choose Canvas"),_("Enter the relative name of the canvas that you want"),canvas_name))
+	{
+		// the user hit 'cancel', so set the parameter back to its previous value
+		set_value_(canvas);
+		return;
+	}
+
+	if (canvas_name == "")
+	{
+		App::dialog_error_blocking(_("Error"),_("No canvas name was specified"));
+		set_value_(canvas);
+		return;
+	}
+		
 	Canvas::Handle new_canvas;
 	try
 	{