Thanks Simon, this is brilliant and so obvious in retrospect. Jason
On Wed, Feb 25, 2009 at 8:59 PM, Simon Fuhrmann <[email protected]>wrote: > > How would one pass/send the filename chosen _out_ of the toolbar > > object and up to the main window object where the database object has > access > > to it? > > That is exactly what you have to do. Use have to write your own signal > like any other GTK widget is doing. Here is how to do that: > > Create a private member in your toolbar: > > public: > typedef sigc::signal<void, Glib::ustring> SignalFileSelected; > private: > SignalFileSelected sig_file_selected; > > Create a public access method to access the signal: > > SignalFileSelected& signal_file_selected (void) > { return this->sig_file_selected; } > > Don't forget the reference ("&")! Connect the signal from you main GUI, > > this->toolbar.signal_file_selected().connect > (sigc::mem_fun(*this, &MainGui::on_file_selected)); > > Inside the Toolbar, emit the signal if you have the new filename: > > this->sig_file_selected.emit(filename); > > The method that takes the filename inside the main GUI is of type: > > void on_file_selected (Glib::ustring filename); > > Cheers, > Simon >
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