/*ARGSUSED*/
static void
InitializePrehook(Widget req, /* unused */
Widget new_w,
ArgList args,
Cardinal *num_args)
{
XmExtObjectClass ec = (XmExtObjectClass) XtClass(new_w);
XmBaseClassExt *wcePtr = _XmGetBaseClassExtPtr(ec, XmQmotif);
if ((*wcePtr)->use_sub_resources)
{
/*
* Get a uncompiled resource list to use with XtGetSubresources.
* We can't do this in ClassPartInitPosthook because Xt doesn't
* set class_inited at the right place and thereby mishandles
* the XtGetResourceList call.
*/
_XmProcessLock();
if ((*wcePtr)->ext_resources == NULL)
{
ec->object_class.resources = (*wcePtr)->compiled_ext_resources;
ec->object_class.num_resources = (*wcePtr)->num_ext_resources;
XtGetResourceList((WidgetClass) ec,
&((*wcePtr)->ext_resources),
&((*wcePtr)->num_ext_resources));
}
XtGetSubresources(XtParent(new_w),
(XtPointer)new_w,
NULL, NULL,
(*wcePtr)->ext_resources,
(*wcePtr)->num_ext_resources,
args, *num_args);
_XmProcessUnlock();
}
}
void
XmuWnFetchResources(XmuWidgetNode *node, Widget toplevel,
XmuWidgetNode *topnode)
{
Widget dummy;
XmuWidgetNode *wn;
if (node->have_resources) return;
dummy = XtCreateWidget (node->label, XmuWnClass(node), toplevel,
NULL, ZERO);
if (dummy) XtDestroyWidget (dummy);
/*
* walk up tree geting resources; since we've instantiated the widget,
* we know that all of our superclasses have been initialized
*/
for (wn = node; wn && !wn->have_resources; wn = wn->superclass) {
XtGetResourceList (XmuWnClass(wn), &wn->resources, &wn->nresources);
if (wn->resources) {
qsort ((char *) wn->resources, wn->nresources,
sizeof(XtResource), compare_resource_entries);
}
wn->resourcewn = (XmuWidgetNode **) XtCalloc (wn->nresources,
sizeof (XmuWidgetNode *));
if (!wn->resourcewn) {
fprintf (stderr,
"%s: unable to calloc %d %lu byte widget node ptrs\n",
"XmuWnFetchResources",wn->nresources,
sizeof (XmuWidgetNode *));
exit (1);
}
XtGetConstraintResourceList (XmuWnClass(wn), &wn->constraints,
&wn->nconstraints);
if (wn->constraints) {
qsort ((char *) wn->constraints, wn->nconstraints,
sizeof(XtResource), compare_resource_entries);
}
wn->constraintwn = (XmuWidgetNode **)
XtCalloc (wn->nconstraints, sizeof (XmuWidgetNode *));
if (!wn->constraintwn) {
fprintf (stderr,
"%s: unable to calloc %d %d byte widget node ptrs\n",
"XmuWnFetchResources", wn->nconstraints,
(int)sizeof (XmuWidgetNode *));
exit (1);
}
wn->have_resources = True;
if (wn == topnode) break;
}
/*
* Walk up tree removing all resources that appear in superclass; we can
* mash the resource list in place since it was copied out of widget.
*/
for (wn = node; wn; wn = wn->superclass) {
mark_resource_owner (wn);
if (wn == topnode) break;
}
return;
}
static void restore_state_from_file(
Widget topl,
FILE *fp)
{
char buf[512];
String t_name = XtName( topl );
Boolean resize_topl=False;
/* read and set resources */
while( fgets( buf, 512, fp ) != NULL ){
char w_name[128], r_name[64];
Widget widget;
XtResourceList rsc_list;
Cardinal num_rsc;
int i;
/* check for empty string or comment line */
if( strlen(buf) == 0 || buf[0] == '!' )
continue;
/* extract widget name, resource name and value */
if( sscanf(buf, " %[^,:,\n]: %[^,\n]", w_name, buf) < 2 )
continue;
if( (int) strlen(w_name) < 1 )
continue;
for(i=(int)strlen(w_name)-1; i > 0 && w_name[i] != '.'
&& w_name[i] != '*'; i--){}
w_name[i] = '\0';
strcpy( &r_name[0], &w_name[i+1] );
/* get the widget - check for topl widget name */
switch( w_name[0] ){
case '\0':
widget = topl;
break;
case '.':
case '*':
if( strcmp(&(w_name[1]), t_name) == 0 )
widget = topl;
else if( strncmp(&(w_name[1]), t_name, strlen(t_name)) == 0 ){
String str = (String) &(w_name[strlen(t_name)+1]);
if( (widget = XtNameToWidget(topl, str)) == NULL )
continue;
}
else if( (widget = XtNameToWidget(topl, w_name)) == NULL )
continue;
break;
default:
if( strcmp(&w_name[0], t_name) == 0 )
widget = topl;
else if( strncmp(&w_name[0], t_name, strlen(t_name)) == 0 ){
String str = (String) &(w_name[strlen(t_name)]);
if( (widget = XtNameToWidget(topl, str)) == NULL )
continue;
}
else if( (widget = XtNameToWidget(topl, w_name)) == NULL )
continue;
break;
}
/* convert and set the value */
XtGetResourceList( XtClass(widget), &rsc_list, &num_rsc );
for(i=0; i < num_rsc; i++){
if( strcmp( r_name, rsc_list[i].resource_name ) == 0 ){
XrmValue from, to;
from.size = (int) strlen( buf );
from.addr = (caddr_t) buf;
to.addr = NULL;
/* some string resources are not copied, eg geometry,
therefore allocate space for each string. This is
probably a small memory leak */
if( strcmp(rsc_list[i].resource_type, XtRString) == 0 ){
String str = (String) malloc(strlen(buf) + 4);
strcpy(str, buf);
XtVaSetValues( widget, r_name, str, NULL );
}
else if( XtConvertAndStore( widget, XtRString, &from,
rsc_list[i].resource_type, &to) ){
/* check for resize of top-level widget */
if( widget == topl &&
(!strcmp(r_name, XmNheight) ||
!strcmp(r_name, XmNwidth)) )
{
resize_topl = True;
}
/* set the resource value */
switch( rsc_list[i].resource_size ){
case 1:
XtVaSetValues( widget, r_name,
*((unsigned char *) to.addr), NULL );
break;
case 2:
XtVaSetValues( widget, r_name,
*((unsigned short *) to.addr), NULL );
break;
case 4:
XtVaSetValues( widget, r_name,
*((unsigned int *) to.addr), NULL );
break;
}
}
break;
}
}
XtFree( (char *)rsc_list );
}
/* check top-level */
if( resize_topl == True ){
WidgetList children;
Cardinal numChildren;
XtVaGetValues( topl, XmNchildren, &children,
XmNnumChildren, &numChildren, NULL);
XtUnmanageChildren(children, numChildren);
XtManageChildren(children, numChildren);
}
return;
}
