src/hg/lib/hui.c 1.235

Index: src/hg/lib/hui.c
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/hg/lib/hui.c,v
retrieving revision 1.234
retrieving revision 1.235
diff -b -B -U 4 -r1.234 -r1.235
--- src/hg/lib/hui.c	4 Sep 2009 18:05:31 -0000	1.234
+++ src/hg/lib/hui.c	4 Sep 2009 23:42:37 -0000	1.235
@@ -1393,8 +1393,22 @@
 cgiMakeDropList(var, wiggleGraphOptions, ArraySize(wiggleGraphOptions),
 	curVal);
 }
 
+static char *wiggleAlwaysZeroOptions[] = {
+    "ON",
+    "OFF"
+    };
+
+enum wiggleAlwaysZeroEnum wiggleAlwaysZeroToEnum(char *string)
+/* Convert from string to enum representation. */
+{
+int x = stringIx(string, wiggleAlwaysZeroOptions);
+if (x < 0)
+   errAbort("hui::wiggleAlwaysZeroToEnum() - Unknown option %s", string);
+return x;
+}
+
 /****** Options for the wiggle track horizontal grid lines *******/
 
 static char *wiggleGridOptions[] = {
     "ON",
@@ -3306,8 +3320,9 @@
 double tDbMinY;     /*  data range limits from trackDb type line */
 double tDbMaxY;     /*  data range limits from trackDb type line */
 int defaultHeight;  /*  pixels per item */
 char *horizontalGrid = NULL;    /*  Grid lines, off by default */
+char *alwaysZero = NULL;    /* Always include 0 in range */
 char *lineBar;  /*  Line or Bar graph */
 char *autoScale;    /*  Auto scaling on or off */
 char *windowingFunction;    /*  Maximum, Mean, or Minimum */
 char *smoothingWindow;  /*  OFF or [2:16] */
@@ -3324,8 +3339,9 @@
 
 wigFetchMinMaxYWithCart(cart,tdb,name, &minY, &maxY, &tDbMinY, &tDbMaxY, wordCount, words);
 freeMem(typeLine);
 
+(void) wigFetchAlwaysZeroWithCart(cart,tdb,name, &alwaysZero);
 (void) wigFetchHorizontalGridWithCart(cart,tdb,name, &horizontalGrid);
 (void) wigFetchAutoScaleWithCart(cart,tdb,name, &autoScale);
 (void) wigFetchGraphTypeWithCart(cart,tdb,name, &lineBar);
 (void) wigFetchWindowingFunctionWithCart(cart,tdb,name, &windowingFunction);
@@ -3364,8 +3380,11 @@
 
 printf("<TR valign=center><th align=right>Data view scaling:</th><td align=left colspan=3>");
 snprintf(option, sizeof(option), "%s.%s", name, AUTOSCALE );
 wiggleScaleDropDown(option, autoScale);
+snprintf(option, sizeof(option), "%s.%s", name, ALWAYSZERO);
+printf("Always include zero:&nbsp");
+wiggleGridDropDown(option, alwaysZero);
 puts("</TD></TR>");
 
 printf("<TR valign=center><th align=right>Windowing function:</th><td align=left>");
 snprintf(option, sizeof(option), "%s.%s", name, WINDOWINGFUNCTION );