static ushort _DndIndexToTargets(Display * display,
int index,
Atom ** targets)
{
DndTargetsTable targets_table;
int i ;
/* again, slow: no caching here, alloc/free each time */
if (!(targets_table = TargetsTable (display)) ||
(index >= targets_table->num_entries)) {
if (targets_table)
XFree((char*)targets_table);
return 0;
}
/* transfer the correct target list index */
*targets = (Atom*)malloc(sizeof(Atom)*targets_table->
entries[index].num_targets);
memcpy((char*)*targets,
(char*)targets_table->entries[index].targets,
sizeof(Atom)*targets_table->entries[index].num_targets);
/* free the target table and its guts */
for (i=0 ; i < targets_table->num_entries; i++)
XFree((char*)targets_table->entries[i].targets);
int tmp = targets_table->entries[index].num_targets;
XFree((char*)targets_table);
return tmp; // targets_table->entries[index].num_targets;
}
extern int
_DndTargetsToIndex(Display * display,
Atom * targets, int num_targets)
{
int i, j;
Atom *sorted_targets;
DndTargetsTable targets_table;
int index = -1 ;
InitAtoms(display) ;
if (!(targets_table = TargetsTable (display))||
(index >= targets_table->num_entries)) {
#ifdef ENABLE_MOTIF_WARNINGS
printf("_DndTargetsToIndex: cannot find the target table data\n");
#endif
return -1 ;
}
/* sort the given target list */
sorted_targets = (Atom *) malloc(sizeof(Atom) * num_targets);
memcpy (sorted_targets, targets, sizeof(Atom) * num_targets);
qsort ((void *)sorted_targets, (size_t)num_targets, (size_t)sizeof(Atom),
AtomCompare);
/* look for a match */
for (i = 0; i < targets_table->num_entries; i++) {
if (num_targets == targets_table->entries[i].num_targets) {
for (j = 0; j < num_targets; j++) {
if (sorted_targets[j] !=
targets_table->entries[i].targets[j]) {
break;
}
}
if (j == num_targets) {
index = i ;
break ;
}
}
}
XFree ((char *)sorted_targets);
/* free the target table and its guts */
for (i=0 ; i < targets_table->num_entries; i++)
XFree((char*)targets_table->entries[i].targets);
XFree((char*)targets_table);
#ifdef ENABLE_MOTIF_WARNINGS
if (index == -1 )
printf("DndTargetsToIndex: non existing target list: unsupported\n");
#endif
/* to support: need to grab the server, add our target list
to the property, return index = num_entries++, and ungrab */
return index ;
}
