with Gtk.Text_Iter;    use Gtk.Text_Iter;
with Ada.Text_IO;      use Ada.Text_IO;

package body generic_package_widget is 


function get_value_buffer_string(buffer : Gtk_Text_Buffer)
	return unbounded_string is
	start_iterator, end_iterator:  Gtk_Text_Iter;
begin
	Get_Start_Iter(buffer, start_iterator);
	Get_End_Iter(buffer, end_iterator);
	return to_Unbounded_String(Gtk.Text_Buffer.Get_Text(buffer, start_iterator, end_iterator));
end get_value_buffer_string;

function get_value_buffer_integer(buffer : Gtk_Text_Buffer)
	return integer is
	start_iterator, end_iterator:  Gtk_Text_Iter;
begin
	Get_Start_Iter(buffer, start_iterator);
	Get_End_Iter(buffer, end_iterator);
	return integer'value(Gtk.Text_Buffer.Get_Text(buffer, start_iterator, end_iterator));
end get_value_buffer_integer;

function get_value_buffer_double(buffer : Gtk_Text_Buffer)
	return double is
	start_iterator, end_iterator:  Gtk_Text_Iter;
begin
	Get_Start_Iter(buffer, start_iterator);
	Get_End_Iter(buffer, end_iterator);
	return double'value(Gtk.Text_Buffer.Get_Text(buffer, start_iterator, end_iterator));
end get_value_buffer_double;

function get_number_elements(treemodel: Gtk_Tree_Model) return integer is 
	number: integer := 0;
	tree_iter: Gtk_Tree_Iter;
begin
	tree_iter:= Get_Iter_First (treemodel);
	while tree_iter /= Null_Iter loop 
		number := number + 1;
		next(treemodel, tree_iter);
	end loop;
	return number;
end get_number_elements;

function get_int_combo(combo: Gtk_Combo_Box; value: unbounded_string) return integer is 
	i: integer :=0;
	treemodel: Gtk_Tree_Model;
	tree_iter: Gtk_Tree_Iter;
	comp: unbounded_string;
begin
	treemodel:=Get_Model(combo);
	tree_iter:= Get_Iter_First (treemodel);
	
	comp := to_unbounded_string(Get_String(treemodel, tree_iter, Gint(0)));
	while comp /= value and tree_iter /= Null_iter loop 
	next(treemodel, tree_iter);	
	comp := to_unbounded_string(Get_String(treemodel, tree_iter, Gint(0)));
	i:=i+1;
	end loop;
	if comp = value then 
		return i;
	else
		return -1;
	end if;
end get_int_combo;

end generic_package_widget;