void
ScopeMenu::receive (ScopeRenamed &msg, void *client_data)
{
ON_DEBUG (puts ("ScopeMenu: handling rename message"));
// First find renamed button in our list.
Arg args[2];
int n;
Cardinal num_kids;
WidgetList kids;
n = 0;
XtSetArg(args[n], XmNnumChildren, &num_kids); n++;
XtSetArg(args[n], XmNchildren, &kids); n++;
XtGetValues(f_pull_menu, args, n);
unsigned int i;
for (i = 0; i < num_kids; i++)
{
if (XmIsPushButtonGadget (kids[i]) &&
msg.f_search_scope ==
((UAS_SearchScope *) WXmPushButtonGadget (kids[i]).UserData()))
break;
}
// It had better be in the list!
Xassert (i != num_kids);
ON_DEBUG (printf ("ScopeMenu: widget #%d is the button\n", i));
// Now find the new insertion position in the list.
int position = 0, old_position = i;
xList<UAS_SearchScope *> &scope_list = search_scope_mgr().scope_list();
List_Iterator<UAS_SearchScope *> s (scope_list);
// find the new position in the list
for (; s != 0; s++)
{
if (s.item() == msg.f_search_scope)
continue;
position++;
if (s.item()->read_only())
continue;
ON_DEBUG (printf ("ScopeMenu: strcmp <%s>\n", s.item()->name()));
if (strcmp (msg.f_search_scope->name(), s.item()->name()) < 0)
break;
}
if (s == NULL)
position++;
ON_DEBUG (printf ("ScopeMenu: Rename position = %d, old = %d\n",
position, old_position));
WXmPushButtonGadget scope_btn (kids[i]);
scope_btn.LabelString (msg.f_search_scope->name());
if (position != old_position)
scope_btn.PositionIndex (position);
}
void
ScopeMenu::receive (ScopeDeleted &msg, void *client_data)
{
// find the associated button and nuke it
ON_DEBUG (puts ("ScopeMenu: handling delete message"));
// First find renamed button in our list.
Arg args[2];
int n, theKid;
Cardinal num_kids;
WidgetList kids;
int separator_pos = -1;
Widget selected;
n = 0;
XtSetArg(args[n], XmNmenuHistory, &selected); n++;
XtGetValues(f_option_menu, args, n);
n = 0;
XtSetArg(args[n], XmNnumChildren, &num_kids); n++;
XtSetArg(args[n], XmNchildren, &kids); n++;
XtGetValues(f_pull_menu, args, n);
unsigned int i;
for (i = 0; i < num_kids; i++)
{
if (XmIsSeparator (kids[i]))
{
separator_pos = i + 1;
continue;
}
if (XmIsPushButtonGadget (kids[i]) &&
msg.f_search_scope ==
((UAS_SearchScope *) WXmPushButtonGadget (kids[i]).UserData()))
break;
}
// It had better be in the list!
theKid = i;
Xassert (theKid != (int) num_kids);
ON_DEBUG (printf ("widget #%d is the button\n", theKid));
// if it is selected, select first w/ callback called
if (kids[theKid] == selected)
{
n = 0;
if (XtIsManaged (kids[0]))
XtSetArg(args[n], XmNmenuHistory, kids[0]);
else
XtSetArg(args[n], XmNmenuHistory, kids[1]);
n++;
XtSetValues(f_option_menu, args, n);
}
XtUnmanageChild (kids[theKid]);
XtDestroyWidget (kids[theKid]);
// Get rid of the separator if no user scopes remain.
ON_DEBUG (printf ("ScopeMenu: sep pos = %d, num_kids = %d (%d)\n",
separator_pos, num_kids, num_kids -1 -2));
// - 1 for deleted widget
if (separator_pos == (int) (num_kids - 1))
{
ON_DEBUG (puts (" destroying separator"));
XtDestroyWidget (kids[separator_pos-1]);
}
}
Widget
XmCreateSimpleOptionMenu(
Widget parent,
String name,
ArgList args,
Cardinal arg_count )
{
Widget rc, sub_rc;
XmSimpleMenuRec mr;
int n, i, button_count;
Arg local_args[5];
WidgetList buttons;
Cardinal num_buttons;
_XmWidgetToAppContext(parent);
_XmAppLock(app);
XtGetSubresources(parent, &mr, name, XmCSimpleOptionMenu,
SimpleMenuResources, XtNumber(SimpleMenuResources),
args, arg_count);
rc = XmCreateOptionMenu(parent, name, args, arg_count);
sub_rc = XmCreatePulldownMenu(parent, name, args, arg_count);
EvaluateConvenienceStructure(sub_rc, &mr);
n = 0;
if (mr.option_label)
{
XtSetArg(local_args[n], XmNlabelString, mr.option_label); n++;
}
if (mr.option_mnemonic)
{
XtSetArg(local_args[n], XmNmnemonic, mr.option_mnemonic); n++;
}
XtSetArg(local_args[n], XmNsubMenuId, sub_rc); n++;
XtSetValues(rc, local_args, n);
if (mr.button_set >= 0)
{
n = 0;
XtSetArg(local_args[n], XtNchildren, &buttons); n++;
XtSetArg(local_args[n], XtNnumChildren, &num_buttons); n++;
XtGetValues(sub_rc, local_args, n);
if (!num_buttons)
{
/* error condition */
_XmAppUnlock(app);
return(rc);
}
else
{
button_count = 0;
for (i = 0; i < num_buttons; i++)
{ /* count only PushB */
if ((XmIsPushButtonGadget(buttons[i])) ||
(XmIsPushButton(buttons[i])))
{
if (button_count == mr.button_set)
break;
button_count++;
}
}
if ( i < num_buttons)
{
n = 0;
XtSetArg(local_args[n], XmNmenuHistory, buttons[i]); n++;
XtSetValues(rc, local_args, n);
}
}
}
_XmAppUnlock(app);
return(rc);
}
