static void add_choice_to_picker(QSP_ARG_DECL Screen_Obj *sop, const char *s)
{
const char **new_selectors;
int i, n;
assert( SOB_TYPE(sop) == SOT_PICKER );
if( insist_one_component(sop, "add_choice_to_picker") < 0 ) return;
if( insist_choice_not_present(SOB_SELECTORS_AT_IDX(sop,0),SOB_N_SELECTORS_AT_IDX(sop,0),s,
SOB_NAME(sop),"add_choice_to_picker") < 0 )
return;
n = 1 + SOB_N_SELECTORS_AT_IDX( sop, 0 );
new_selectors = (const char **)getbuf( n * sizeof(char **) );
i=0;
if( SOB_N_SELECTORS_AT_IDX(sop,0) > 0 ){
assert( SOB_SELECTORS_AT_IDX(sop,0) != NULL );
for(;i<SOB_N_SELECTORS_AT_IDX(sop,0);i++)
new_selectors[i] = SOB_SELECTOR_AT_IDX(sop,0,i);
givbuf(SOB_SELECTORS_AT_IDX(sop,0));
} else {
assert( SOB_SELECTORS_AT_IDX(sop,0) == NULL );
}
new_selectors[i] = savestr(s);
SET_SOB_N_SELECTORS_AT_IDX( sop, 0, n );
SET_SOB_SELECTORS_AT_IDX(sop, 0, new_selectors );
}
static inline void delete_choice_from_picker(QSP_ARG_DECL Screen_Obj *sop, const char *s)
{
const char **new_string_arr;
assert( SOB_TYPE(sop) == SOT_PICKER );
if( insist_one_component(sop, "add_choice_to_picker") < 0 ) return;
if( insist_choice_present(SOB_SELECTORS_AT_IDX(sop,0),SOB_N_SELECTORS_AT_IDX(sop,0),s,SOB_NAME(sop),"delete_choice_from_picker") < 0 )
return;
new_string_arr = new_selector_table_less_one(s,SOB_SELECTORS_AT_IDX(sop,0),SOB_N_SELECTORS_AT_IDX(sop,0));
// can return NULL if table empty or item not found
givbuf(SOB_SELECTORS_AT_IDX(sop,0)); // release old string table
SET_SOB_N_SELECTORS_AT_IDX(sop,0,SOB_N_SELECTORS_AT_IDX(sop,0)-1);
SET_SOB_SELECTORS_AT_IDX(sop,0,new_string_arr);
reload_chooser(sop);
}
void make_picker(QSP_ARG_DECL Screen_Obj *sop)
{
#ifdef HAVE_MOTIF
int j;
Arg al[20];
int ac = 0;
Screen_Obj *b_sop; /* button ptr */
char buf[6];
int n;
const char **stringlist;
if( SOB_N_CYLINDERS(sop) != 1 ){
sprintf(ERROR_STRING,"picker %s needs %d components, but we're only implementing 1!?",
SOB_NAME(sop),SOB_N_CYLINDERS(sop));
WARN(ERROR_STRING);
}
n= SOB_N_SELECTORS_AT_IDX(sop,/*component*/ 0 );
sop->so_frame = generic_frame(curr_panel->po_panel_obj,
sop, XmSHADOW_IN);
XtSetArg(al[ac], XmNentryClass, xmToggleButtonWidgetClass); ac++;
strcpy(buf,"name");
sop->so_obj = XmCreateRadioBox(sop->so_frame,
buf, al, ac);
XtManageChild(sop->so_obj);
#ifdef CAUTIOUS
if( sop->so_children != NO_LIST ){
sprintf(ERROR_STRING,"CAUTIOUS: Picker %s already has a child list!?",SOB_NAME(sop));
ERROR1(ERROR_STRING);
}
#endif /* CAUTIOUS */
SET_SOB_CHILDREN(sop,new_list());
stringlist = SOB_SELECTORS_AT_IDX(sop,0);
// The choices are created as screen_objs, we
// need to create a special context for them so that we
// can have the same choices in multiple pickers and choosers
// The context name should be the concatenation of the current
// scrnobj context, and the name of this widget...
push_widget_context(QSP_ARG sop);
for(j=0; j<n; j++) {
b_sop = simple_object(QSP_ARG stringlist[j]);
if( b_sop==NO_SCREEN_OBJ ) return;
b_sop->so_action_text = savestr(stringlist[j]);
b_sop->so_parent = sop;
b_sop->so_flags |= SOT_MENU_ITEM;
/* The choices need to be part of the panel list (so we can find them
* with find_object), but also on the parent list, so we can find them
* through it...
*/
addHead(curr_panel->po_children,mk_node(b_sop));
addTail(sop->so_children,mk_node(b_sop));
b_sop->so_obj = XtCreateManagedWidget(
b_sop->so_name, /* widget name */
xmToggleButtonWidgetClass, /* widget class */
sop->so_obj, /* parent widget */
NULL, 0);
fix_names(QSP_ARG b_sop,sop);
/* client data */
XtAddCallback(b_sop->so_obj, XmNvalueChangedCallback, chooser_func, NULL);
XtManageChild(b_sop->so_obj);
}
pop_scrnobj_context(SINGLE_QSP_ARG);
SET_SOB_HEIGHT(sop, CHOOSER_HEIGHT + CHOOSER_ITEM_HEIGHT*n );
#endif /* HAVE_MOTIF */
}
