4898794edd81be5285ea6e544acbedeaeb31bf78
max
  Tue Nov 23 08:10:57 2021 -0800
Fixing pointers to README file for license in all source code files. refs #27614

diff --git src/hg/hgTracks/bigWarn.c src/hg/hgTracks/bigWarn.c
index e155262..24e7f06 100644
--- src/hg/hgTracks/bigWarn.c
+++ src/hg/hgTracks/bigWarn.c
@@ -1,134 +1,134 @@
 /* bigWarn -- shared handlers for displaying big/udc warn/error messages */
 
 /* Copyright (C) 2011 The Regents of the University of California 
- * See README in this or parent directory for licensing information. */
+ * See kent/LICENSE or http://genome.ucsc.edu/license/ for licensing information. */
 
 #include "common.h"
 #include "hgTracks.h"
 #include "container.h"
 #include "bigWarn.h"
 #include "hgConfig.h"
 
 static int bigWarnNumLines(char *errMsg)
 /* Count number of lines in err msg */
 {
 int n = countChars(errMsg, '\n');
 int sl = strlen(errMsg);
 if ((sl > 0) && (errMsg[sl-1]!='\n'))
     ++n;
 if (n == 0)
     n = 1;
 return n;
 }
 
 
 char *bigWarnReformat(char *errMsg)
 /* Return a copy of the re-formatted error message,
  * such as breaking longer lines */
 {
 if (errMsg == NULL)
     return cloneString("");
 /* convert ". " to ".\n" to break long lines. */
 char *result = cloneString(errMsg);
 char *nl = result;
 while ((nl = strchr(nl,'.')))
     {
     ++nl;
     if (nl[0] == ' ')
 	{
 	nl[0] = '\n';
 	++nl;
 	}
     }
 return result;
 }
 
 void bigDrawWarning(struct track *tg, int seqStart, int seqEnd, struct hvGfx *hvg,
                  int xOff, int yOff, int width, MgFont *font, Color color,
                  enum trackVisibility vis)
 /* Draw the network error message, for the first window only. 
  * Use the entire screen space across all windows. */
 {
 if (currentWindow != windows)
     return;
 
 // put the error message into the log
 if (sameString(cfgOptionDefault("bigWarn", "on"), "on"))
     fprintf(stderr, "bigWarn: %s\n", tg->networkErrMsg);
 
 int clipXBak, clipYBak, clipWidthBak, clipHeightBak;
 hvGfxGetClip(hvg, &clipXBak, &clipYBak, &clipWidthBak, &clipHeightBak);
 hvGfxUnclip(hvg);
 hvGfxSetClip(hvg, fullInsideX, yOff, fullInsideWidth, tg->height);
 xOff = fullInsideX;
 width = fullInsideWidth;
 
 char message[1024];
 Color yellow = hvGfxFindRgb(hvg, &undefinedYellowColor);
 char *errMsg = bigWarnReformat(tg->networkErrMsg);
 char *nl = errMsg;
 int sl = strlen(errMsg);
 // in some cases, cannot use tg-> values, so recalc local equivalents. 
 int heightPer = tl.fontHeight;        /* Height per item line minus border. */
 int lineHeight = heightPer+4;         /* Height per item line including border. */ 
 if (lineHeight > tg->height)
     lineHeight = tg->height;
 int n = bigWarnNumLines(errMsg);      /* Lines of warning text */
 int m = tg->height / lineHeight;      /* Lines of text space available */
 if (m < 1) 
     m = 1;
 // make yellow background to draw user's attention to the err msg
 
 if (!sameOk(parentContainerType(tg), "multiWig")) // multiWig knows full parent height
     hvGfxBox(hvg, xOff, yOff, width, tg->height, yellow);
 // leading blank lines if any
 int bl = (m-n)/2;   
 int i;
 for(i=0;i<bl;++i)
     yOff += lineHeight;
 int l = 0;
 while (TRUE)
     {
     char *msg = nl;
     nl = strchr(nl,'\n');
     if (nl)
 	nl[0] = 0;
     if (nl || ((sl > 0) && (errMsg[sl-1]!='\n')))
 	{  
 	safef(message, sizeof(message), "%s", msg);
 	hvGfxTextCentered(hvg, xOff, yOff, width, lineHeight, MG_BLACK, font, message);
 	yOff += lineHeight;
         ++l;
         if (l > n)
 	    break;
         if (l > m)
 	    break;
 	}
     if (!nl)
 	break;
     ++nl;
     }
 freeMem(errMsg);
 hvGfxUnclip(hvg);
 hvGfxSetClip(hvg, clipXBak, clipYBak, clipWidthBak, clipHeightBak);
 }
 
 int bigWarnTotalHeight(struct track *tg, enum trackVisibility vis)
 /* Return total height. Called before and after drawItems.
  * Must set the following variables: height, lineHeight, heightPer. */
 {
 if (tg->height == 0)  // since this gets called more that once, but we should calculate the same thing each time, don't re-do it.
     {    
     tg->heightPer = tl.fontHeight;        /* Height per item line minus border. */
     tg->lineHeight = tg->heightPer+4;     /* Height per item line including border. */ 
 
     /* count lines in reformated warning msg */
     char *errMsg = bigWarnReformat(tg->networkErrMsg);
     int n = bigWarnNumLines(errMsg);
     freeMem(errMsg);
 
     tg->height = tg->lineHeight * n; /* Total height - must be set. */
 
     }
 return tg->height;
 }