+ //print(JSON.stringify(methods,null,4));
+ // dump out a usage file..
+
+ // basically anything that is a Gtk.Container, should be available at the top.
+ /*
+left:
+ *top
+right:
+ Gtk.Window
+ Gtk.Dialog
+ Gtk.MessageDialog
+ Gtk.AboutDialog
+ Gtk.Dialog
+ Gtk.FontSelectionDialog
+ Gtk.InputDialog
+ Gtk.ColorSelectionDialog
+ Gtk.FileChooserDialog
+ Gtk.Menu
+ GtkClutter.Window
+ Gtk.OffScreenWindow
+ */
+// these should really be based on heirachy..
+ usage = {};
+ tops = {}
+ usage['*top'] = implementations['Gtk.Container'];
+ usage['*top'].forEach(function(ch) {
+ tops[ch] = [ '*top' ];
+ });
+ for(var cls in methods) {
+ for (var par in methods[cls].can_be_added_to_as) {
+ if (typeof(usage[par]) == 'undefined') {
+ usage[par] = [];
+ }
+ usage[par].pushUnique(cls);
+ if (typeof(tops[cls]) == 'undefined') {
+ tops[cls] = [];
+ }
+ tops[cls].pushUnique(par);
+ }
+ }
+ function canTop(cls, rec) {
+
+ rec = rec || 0;
+ print('CANTOP: ' + cls + ' =' + rec);
+ if (rec > 5) {
+ print('SKIP : ' + cls);
+ }
+ if (typeof(tops[cls]) == 'undefined') {
+ return false;
+ }
+ for (var i =0; i < tops[cls].length; i++) {
+ if (tops[cls][i] == '*top') {
+ return true;
+ }
+ if (cls == tops[cls][i]) {
+ continue;
+ }
+ if (canTop(tops[cls][i], rec+1)) {
+ return true;
+ }
+ }
+ return false;
+
+ }
+ var nusage = {};
+ for(var par in usage) {
+ // see if the parent can be added to something.
+ if (!canTop(par)) {
+ continue;
+ }
+ nusage[par] = usage[par];
+
+ }
+
+ print(JSON.stringify(nusage,null,4));
+
+
+