I try todo something like in "gtk-demo->Combo boxes" when
parent of tree is not sensitive.
I try to understand gtk code, and convert it into gtkmm,
but ...
GTK:
------------------------------------------------------
static void
is_capital_sensitive (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data)
{
gboolean sensitive;
sensitive = !gtk_tree_model_iter_has_child (tree_model, iter);
g_object_set (cell, "sensitive", sensitive, NULL);
}
renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), renderer, TRUE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo), renderer,
"text", 0,
NULL);
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo),
renderer,
is_capital_sensitive,
NULL, NULL);
---------------------------------------------------------------
my gtkmm:
--------------------------------------------------------
...
Gtk::CellRendererText renderer;
//here is error: Gtk::CellLayout::CellLayout() is protected;
Gtk::CellLayout layout;
layout.pack_start(renderer, true);
layout.add_attribute(renderer, "text", 0);
layout.set_cell_data_func (renderer, is_sensitive);
...
void is_sensitive(Gtk::TreeModel::const_iterator iter)
{
bool sens = TableModel_Key_Value.iter_has_child_func(iter);
//has no member .sensitive()
renderer.sensitive(sens);
}
--------------------------------------------------------
Any Idea?
Please help.
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