3bdd753973190ec7e64d85a90ab912b9a7c37489
angie
  Fri Sep 4 13:45:27 2020 -0700
Move leftLabelWidth parameters out of hgTracks global variables into trackLayout lib (for use by hgPhyloPlace).  refs #25943

diff --git src/hg/hgTracks/simpleTracks.c src/hg/hgTracks/simpleTracks.c
index e265869c..85cadb2 100644
--- src/hg/hgTracks/simpleTracks.c
+++ src/hg/hgTracks/simpleTracks.c
@@ -226,33 +226,30 @@
 
 char *virtModeType = "default";  /* virtual chrom mode type */
 char *lastVirtModeType = "default";
 char *virtModeShortDescr = "";   /* short description of virt mode */
 char *virtModeExtraState = "";   /* Other settings that affect the virtMode state such as padding or some parameter */
 char *lastVirtModeExtraState = "";
 struct cart *lastDbPosCart = NULL;   /* store settings for use in lastDbPos and hgTracks.js setupHistory */
 
 char *organism;                 /* Name of organism we're working on. */
 char *database;			/* Name of database we're using. */
 char *chromName;		/* Name of chromosome sequence . */
 int winStart;                   /* Start of window in sequence. */
 int winEnd;                     /* End of window in sequence. */
 char *position = NULL;          /* Name of position. */
 
-int trackTabWidth = 11;
-int leftLabelWidthDefaultChars = 20;   /* default number of characters allowed for left label */
-int leftLabelWidthChars = 20;   /* number of characters allowed for left label */
 int insideX;			/* Start of area to draw track in in pixels. */
 int insideWidth;		/* Width of area to draw tracks in in pixels. */
 int leftLabelX;                 /* Start of area to draw left labels on. */
 int leftLabelWidth;             /* Width of area to draw left labels on. */
 float basesPerPixel = 0;       /* bases covered by a pixel; a measure of zoom */
 boolean zoomedToBaseLevel;      /* TRUE if zoomed so we can draw bases. */
 boolean zoomedToCodonLevel; /* TRUE if zoomed so we can print codons text in genePreds*/
 boolean zoomedToCdsColorLevel; /* TRUE if zoomed so we can color each codon*/
 
 boolean withLeftLabels = TRUE;		/* Display left labels? */
 boolean withIndividualLabels = TRUE;    /* print labels on item-by-item basis (false to skip) */
 boolean withCenterLabels = TRUE;	/* Display center labels? */
 boolean withGuidelines = TRUE;		/* Display guidelines? */
 boolean withNextExonArrows = FALSE;	/* Display next exon navigation buttons near center labels? */
 boolean withExonNumbers = FALSE;	/* Display exon and intron numbers in mouseOver instead of item name */
@@ -276,42 +273,30 @@
 
 Color shadesOfSea[10+1];       /* Ten sea shades. */
 struct rgbColor darkSeaColor = {0, 60, 120};
 struct rgbColor lightSeaColor = {200, 220, 255};
 
 struct hash *hgFindMatches; /* The matches found by hgFind that should be highlighted. */
 
 struct trackLayout tl;
 
 void initTl()
 /* Initialize layout around small font and a picture about 600 pixels
  * wide. */
 {
 trackLayoutInit(&tl, cart);
 
-// label width, but don't exceed 1/2 of image
-leftLabelWidthChars = cartUsualInt(cart, "hgt.labelWidth", leftLabelWidthDefaultChars);
-if (leftLabelWidthChars < 2)
-    leftLabelWidthChars = leftLabelWidthDefaultChars;
-tl.leftLabelWidth = leftLabelWidthChars*tl.nWidth + trackTabWidth + 3;
-int maxLabelWidth = 0.5*tl.picWidth;
-if (tl.leftLabelWidth  > maxLabelWidth)
-    {
-    // overflow, force to 1/2 width
-    leftLabelWidthChars = maxLabelWidth/tl.nWidth;
-    tl.leftLabelWidth = leftLabelWidthChars * tl.nWidth;
-    }
 }
 
 static boolean isTooLightForTextOnWhite(struct hvGfx *hvg, Color color)
 /* Return TRUE if text in this color would probably be invisible on a white background. */
 {
 struct rgbColor rgbColor =  hvGfxColorIxToRgb(hvg, color);
 int colorTotal = rgbColor.r + 2*rgbColor.g + rgbColor.b;
 return colorTotal >= 512;
 }
 
 Color darkerColor(struct hvGfx *hvg, Color color)
 /* Get darker shade of a color - half way between this color and black */
 {
 struct rgbColor rgbColor =  hvGfxColorIxToRgb(hvg, color);
 rgbColor.r = ((int)rgbColor.r)/2;