Gtk::SpinButton *spin_inicial, *spin_capacidad;
Gtk::Button *btn_select_color, *dlg_select_color_ok, *dlg_select_color_cancel;
Gtk::Entry *txt_cistern_name;
Gtk::ColorSelectionDialog *color_select_dlg;
Gtk::DrawingArea *color_preview;
Gtk::SpinButton *spin_inicial, *spin_capacidad;
Gtk::Button *btn_select_color, *dlg_select_color_ok, *dlg_select_color_cancel;
Gtk::Entry *txt_cistern_name;
Gtk::ColorSelectionDialog *color_select_dlg;
Gtk::DrawingArea *color_preview;