a4a68e3810d949f7e454d97ea3c3eb44f67926aa
braney
  Wed Oct 16 14:25:56 2019 -0700
bigBed number filters put message in longLabel about how many items were
filtered

diff --git src/hg/hgTracks/bedTrack.c src/hg/hgTracks/bedTrack.c
index 49f79d5..180ca43 100644
--- src/hg/hgTracks/bedTrack.c
+++ src/hg/hgTracks/bedTrack.c
@@ -77,51 +77,57 @@
     struct hash *settings = tg->tdb->settingsHash;
     char *bigDataUrl = hashFindVal(settings, "bigDataUrl");
     struct bedTabixFile *btf = bedTabixFileMayOpen(bigDataUrl, NULL, 0, 0);
     list = bedTabixReadBeds(btf, chromName, winStart, winEnd, loader);
     bedTabixFileClose(&btf);
     }
 else if (tg->isBigBed)
     { // avoid opening an unneeded db connection for bigBed; required not to use mysql for parallel fetch tracks
     struct lm *lm = lmInit(0);
     struct bigBedInterval *bb, *bbList = bigBedSelectRange(tg, chromName, winStart, winEnd, lm);
     struct bbiFile *bbi = fetchBbiForTrack(tg);
     char *bedRow[bbi->fieldCount];
     char startBuf[16], endBuf[16];
 
     struct bigBedFilter *filters = bigBedBuildFilters(cart, bbi, tg->tdb);
-    if (filters || compositeChildHideEmptySubtracks(cart, tg->tdb, NULL, NULL))
+    if (compositeChildHideEmptySubtracks(cart, tg->tdb, NULL, NULL))
        labelTrackAsFiltered(tg);
 
      if (tg->itemName == bedName && !trackDbSettingClosestToHomeOn(tg->tdb, "linkIdInName"))
         tg->itemName = bigBedItemName;
 
     bigBedLabelCalculateFields(cart, tg->tdb, bbi,  &tg->labelColumns);
+    unsigned filtered = 0;
     for (bb = bbList; bb != NULL; bb = bb->next)
         {
         bigBedIntervalToRow(bb, chromName, startBuf, endBuf, bedRow, ArraySize(bedRow));
         if (!bigBedFilterInterval(bedRow, filters))
+            {
+            filtered++;
             continue;
+            }
         bed = loader(bedRow);
         // FIXME BRANEY: either disable for all tracks with NUM_FIELDS > label field or better,
         // fix how label is stored so it doesn't trash custom bed field
         // BRANEY says: the loader should be returning bed structures which include the label field.
         if (differentString(tg->tdb->type, "bigInteract"))
             bed->label = bigBedMakeLabel(tg->tdb, tg->labelColumns, bb, chromName);
 
         slAddHead(&list, bed);
         }
+    if (filtered)
+       labelTrackAsFilteredNumber(tg, filtered);
     lmCleanup(&lm);
     }
 else
     {
     char *table = tg->table;
     struct customTrack *ct = tg->customPt;
     struct sqlConnection *conn = NULL;
     if (ct == NULL)
         conn = hAllocConnTrack(database, tg->tdb);
     else
         {
         conn = hAllocConn(CUSTOM_TRASH);
         table = ct->dbTableName;
         }
     struct sqlResult *sr = NULL;