Fossil

**     "omitDescenders": BOOLEAN,   // Omit ancestor lines off bottom of screen
**     "fileDiff": BOOLEAN,         // True for file diff. False for check-in
**     "scrollToSelect": BOOLEAN,   // Scroll to selection on first render
**     "nrail": INTEGER,            // Number of vertical "rails"
**     "baseUrl": TEXT,             // Top-level URL
**     "dwellTimeout": INTEGER,     // Tooltip show delay in milliseconds
**     "closeTimeout": INTEGER,     // Tooltip close delay in milliseconds
**     "digitHuman": INTEGER,       // Limit of tooltip hashes ("hash-digits")
**     "rowinfo": ROWINFO-ARRAY }
**
** The rowinfo field is an array of structures, one per entry in the timeline,
** where each structure has the following fields:
**
**   id:  The id of the <div> element for the row. This is an integer.
**        to get an actual id, prepend "m" to the integer.  The top node

  if (tooltipInfo.ixActive != -1) resumeCloseTimer();
};

/* State information for the tooltip popup and its timers */
window.tooltipInfo = {
  dwellTimeout: 250,  /* The tooltip dwell timeout. */
  closeTimeout: 3000, /* The tooltip close timeout. */
  digitHuman: 10,     /* Limit of tooltip hashes ("hash-digits"). */
  idTimer: 0,         /* The tooltip dwell timer id. */
  idTimerClose: 0,    /* The tooltip close timer id. */
  ixHover: -1,        /* The id of the element with the mouse. */
  ixActive: -1,       /* The id of the element with the tooltip. */
  nodeHover: null,    /* Graph node under mouse when ixHover==-2 */
  posX: 0, posY: 0    /* The last mouse position. */
};

/* Construct that graph corresponding to the timeline-data-N object that
** is passed in by the tx parameter */
function TimelineGraph(tx){
  var topObj = document.getElementById("timelineTable"+tx.iTableId);
  amendCss(tx.circleNodes, tx.showArrowheads);
  tooltipInfo.dwellTimeout = tx.dwellTimeout
  tooltipInfo.closeTimeout = tx.closeTimeout
  tooltipInfo.digitHuman = tx.digitHuman
  topObj.onclick = clickOnGraph
  topObj.ondblclick = dblclickOnGraph
  topObj.onmousemove = function(e) {
    var ix = findTxIndex(e);
    topObj.style.cursor = (ix<0) ? "" : "pointer"
    /* Keep the already visible tooltip at a constant position, as long as the
    ** mouse is over the same element. */

  function showGraphTooltip(){
    var html = null
    var ix = -1
    if( tooltipInfo.ixHover==-2 ){
      ix = parseInt(tooltipInfo.nodeHover.id.match(/\d+$/)[0],10)-tx.iTopRow
      var h = tx.rowinfo[ix].h
      var dest = tx.baseUrl + "/info/" + h
      h = h.slice(0,tooltipInfo.digitHuman); // Assume single-byte characters.
      if( tx.fileDiff ){
        html = "artifact <a id=\"tooltip-link\" href=\""+dest+"\">"+h+"</a>"
      }else{
        html = "check-in <a id=\"tooltip-link\" href=\""+dest+"\">"+h+"</a>"
      }
      tooltipInfo.ixActive = -2;
    }else if( tooltipInfo.ixHover>=0 ){

    int colorGraph;      /* Use colors for graph lines */
    int iTopRow;         /* Index of the top row of the graph */
    int fileDiff;        /* True for file diff.  False for check-in diff */
    int omitDescenders;  /* True to omit descenders */
    int scrollToSelect;  /* True to scroll to the selection */
    int dwellTimeout;    /* Milliseconds to wait for tooltips to show */
    int closeTimeout;    /* Milliseconds to wait for tooltips to close */
    int nDigitHuman;     /* The "hash-digits" limit for tooltip hash prefixes */
    u8 *aiMap;           /* The rail map */

    iRailPitch = atoi(PD("railpitch","0"));
    showArrowheads = skin_detail_boolean("timeline-arrowheads");
    circleNodes = skin_detail_boolean("timeline-circle-nodes");
    colorGraph = skin_detail_boolean("timeline-color-graph-lines");
    iTopRow = pGraph->pFirst ? pGraph->pFirst->idx : 0;
    omitDescenders = (tmFlags & TIMELINE_DISJOINT)!=0;
    fileDiff = (tmFlags & TIMELINE_FILEDIFF)!=0;
    scrollToSelect = (tmFlags & TIMELINE_NOSCROLL)==0;
    dwellTimeout = atoi(db_get("timeline-dwelltime","100"));
    closeTimeout = atoi(db_get("timeline-closetime","250"));
/* Preprocessor definitions copied from src\printf.c. */
#ifndef FOSSIL_HASH_DIGITS
# define FOSSIL_HASH_DIGITS 10
#endif
    nDigitHuman = db_get_int("hash-digits", FOSSIL_HASH_DIGITS);
    @ <script id='timeline-data-%d(iTableId)' type='application/json'>{
    @   "iTableId": %d(iTableId),
    @   "circleNodes": %d(circleNodes),
    @   "showArrowheads": %d(showArrowheads),
    @   "iRailPitch": %d(iRailPitch),
    @   "colorGraph": %d(colorGraph),
    @   "nomo": %d(PB("nomo")),
    @   "iTopRow": %d(iTopRow),
    @   "omitDescenders": %d(omitDescenders),
    @   "fileDiff": %d(fileDiff),
    @   "scrollToSelect": %d(scrollToSelect),
    @   "nrail": %d(pGraph->mxRail+1),
    @   "baseUrl": "%R",
    @   "dwellTimeout": %d(dwellTimeout),
    @   "closeTimeout": %d(closeTimeout),
    @   "digitHuman": %d(nDigitHuman),
    @   "bottomRowId": "btm-%d(iTableId)",
    if( pGraph->nRow==0 ){
      @   "rowinfo": null
    }else{
      @   "rowinfo": [
    }