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Overview
Comment:Add a configuration option under the Admin/Timeline setup menu to set the dwellTimeout for tooltips.
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Timelines: family | ancestors | descendants | both | tooltip-experiments
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SHA3-256: 5fc142df073760f35f8f4ecb1a1c69170d8cd3c545fd28a27aa60395df0b62b9
User & Date: drh 2019-05-21 02:15:49
Context
2019-05-21
08:27
Resolve the fork. (check-in: fde231b2 user: florian tags: tooltip-experiments)
02:15
Add a configuration option under the Admin/Timeline setup menu to set the dwellTimeout for tooltips. (check-in: 5fc142df user: drh tags: tooltip-experiments)
2019-05-20
23:19
Merge in the most recent enhancements from trunk, and the new experimental feature that puts the select branch first in the timeline. (check-in: 274e95f5 user: drh tags: tooltip-experiments)
Changes
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Changes to src/configure.c. 

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  { "footer",                 CONFIGSET_SKIN },
  { "details",                CONFIGSET_SKIN },
  { "logo-mimetype",          CONFIGSET_SKIN },
  { "logo-image",             CONFIGSET_SKIN },
  { "background-mimetype",    CONFIGSET_SKIN },
  { "background-image",       CONFIGSET_SKIN },
  { "timeline-block-markup",  CONFIGSET_SKIN },


  { "timeline-max-comment",   CONFIGSET_SKIN },
  { "timeline-plaintext",     CONFIGSET_SKIN },


  { "adunit",                 CONFIGSET_SKIN },
  { "adunit-omit-if-admin",   CONFIGSET_SKIN },
  { "adunit-omit-if-user",    CONFIGSET_SKIN },
  { "sitemap-docidx",         CONFIGSET_SKIN },
  { "sitemap-download",       CONFIGSET_SKIN },
  { "sitemap-license",        CONFIGSET_SKIN },
  { "sitemap-contact",        CONFIGSET_SKIN },








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  { "footer",                 CONFIGSET_SKIN },
  { "details",                CONFIGSET_SKIN },
  { "logo-mimetype",          CONFIGSET_SKIN },
  { "logo-image",             CONFIGSET_SKIN },
  { "background-mimetype",    CONFIGSET_SKIN },
  { "background-image",       CONFIGSET_SKIN },
  { "timeline-block-markup",  CONFIGSET_SKIN },
  { "timeline-date-format",   CONFIGSET_SKIN },
  { "timeline-dwelltime",     CONFIGSET_SKIN },
  { "timeline-max-comment",   CONFIGSET_SKIN },
  { "timeline-plaintext",     CONFIGSET_SKIN },
  { "timeline-truncate-at-blank", CONFIGSET_SKIN },
  { "timeline-utc",           CONFIGSET_SKIN },
  { "adunit",                 CONFIGSET_SKIN },
  { "adunit-omit-if-admin",   CONFIGSET_SKIN },
  { "adunit-omit-if-user",    CONFIGSET_SKIN },
  { "sitemap-docidx",         CONFIGSET_SKIN },
  { "sitemap-download",       CONFIGSET_SKIN },
  { "sitemap-license",        CONFIGSET_SKIN },
  { "sitemap-contact",        CONFIGSET_SKIN },

Changes to src/graph.js. 

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**     "nomo": BOOLEAN,             // True to join merge lines with rails
**     "iTopRow": INTEGER,          // Index of top-most row in the graph
**     "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

**     "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
................................................................................
  posX: 0, posY: 0    /* The last mouse position. */
};

/* Construct that graph corresponding to the timeline-data-N object */
function TimelineGraph(tx){
  var topObj = document.getElementById("timelineTable"+tx.iTableId);
  amendCss(tx.circleNodes, tx.showArrowheads);

  topObj.onclick = clickOnGraph
  topObj.ondblclick = dblclickOnGraph
  topObj.onmousemove = function(e) {
    var ix = findTxIndex(e);
    var cursor = (ix<0) ? "" : "pointer"; /* Or: cursor = "help"? */
    document.getElementsByTagName('body')[0].style.cursor = cursor;
    /* Keep the already visible tooltip at a constant position, as long as the
................................................................................
    if (ix >= 0) {
      /* Close the tooltip only if the mouse is over another element, and init
      ** the dwell timer again. */
      tooltipObj.style.display = "none";
      tooltipInfo.ixElement = ix;
      tooltipInfo.posX = e.x;
      tooltipInfo.posY = e.y;

      tooltipInfo.idTimer = setTimeout(function() {
        this.tooltipInfo.idTimer = 0;
        showGraphTooltip(
          this.tooltipInfo.ixElement,
          this.tooltipInfo.posX,
          this.tooltipInfo.posY);
      }.bind(window),tooltipInfo.dwellTimeout);

    }
    else
      tooltipInfo.ixElement = -1;
  };
  topObj.onmouseleave = function(e) {
    /* Hide the tooltip if the mouse is outside the "timelineTableN" element,
    ** and outside the tooltip. */








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**     "nomo": BOOLEAN,             // True to join merge lines with rails
**     "iTopRow": INTEGER,          // Index of top-most row in the graph
**     "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 delay in milliseconds
**     "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
................................................................................
  posX: 0, posY: 0    /* The last mouse position. */
};

/* Construct that graph corresponding to the timeline-data-N object */
function TimelineGraph(tx){
  var topObj = document.getElementById("timelineTable"+tx.iTableId);
  amendCss(tx.circleNodes, tx.showArrowheads);
  tooltipInfo.dwellTimeout = tx.dwellTimeout
  topObj.onclick = clickOnGraph
  topObj.ondblclick = dblclickOnGraph
  topObj.onmousemove = function(e) {
    var ix = findTxIndex(e);
    var cursor = (ix<0) ? "" : "pointer"; /* Or: cursor = "help"? */
    document.getElementsByTagName('body')[0].style.cursor = cursor;
    /* Keep the already visible tooltip at a constant position, as long as the
................................................................................
    if (ix >= 0) {
      /* Close the tooltip only if the mouse is over another element, and init
      ** the dwell timer again. */
      tooltipObj.style.display = "none";
      tooltipInfo.ixElement = ix;
      tooltipInfo.posX = e.x;
      tooltipInfo.posY = e.y;
      if( tooltipInfo.dwellTimeout>0 ){
        tooltipInfo.idTimer = setTimeout(function() {
          this.tooltipInfo.idTimer = 0;
          showGraphTooltip(
            this.tooltipInfo.ixElement,
            this.tooltipInfo.posX,
            this.tooltipInfo.posY);
        }.bind(window),tooltipInfo.dwellTimeout);
      }
    }
    else
      tooltipInfo.ixElement = -1;
  };
  topObj.onmouseleave = function(e) {
    /* Hide the tooltip if the mouse is outside the "timelineTableN" element,
    ** and outside the tooltip. */

Changes to src/setup.c. 

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  @ <hr />
  entry_attribute("Max timeline comment length", 6,
                  "timeline-max-comment", "tmc", "0", 0);
  @ <p>The maximum length of a comment to be displayed in a timeline.
  @ "0" there is no length limit.
  @ (Property: "timeline-max-comment")</p>









  @ <hr />
  @ <p><input type="submit"  name="submit" value="Apply Changes" /></p>
  @ </div></form>
  db_end_transaction(0);
  style_footer();
}









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  @ <hr />
  entry_attribute("Max timeline comment length", 6,
                  "timeline-max-comment", "tmc", "0", 0);
  @ <p>The maximum length of a comment to be displayed in a timeline.
  @ "0" there is no length limit.
  @ (Property: "timeline-max-comment")</p>

  @ <hr />
  entry_attribute("Tooltip dwell time", 6,
                  "timeline-dwelltime", "tdt", "250", 0);
  @ <p>The time (in milliseconds) that the mouse pointer should be
  @ stationary above a object of the graph before a tooltip appears.
  @ Set this to "0" to disable tooltips.
  @ (Property: "timeline-dwelltime")</p>

  @ <hr />
  @ <p><input type="submit"  name="submit" value="Apply Changes" /></p>
  @ </div></form>
  db_end_transaction(0);
  style_footer();
}

Changes to src/timeline.c. 

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    int showArrowheads;  /* True to draw arrowheads.  False to omit. */
    int circleNodes;     /* True for circle nodes.  False for square nodes */
    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 */

    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;

    @ <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",

    @   "bottomRowId": "btm-%d(iTableId)",
    if( pGraph->nRow==0 ){
      @   "rowinfo": null
    }else{
      @   "rowinfo": [
    }









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    int showArrowheads;  /* True to draw arrowheads.  False to omit. */
    int circleNodes;     /* True for circle nodes.  False for square nodes */
    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 */
    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","250"));
    @ <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),
    @   "bottomRowId": "btm-%d(iTableId)",
    if( pGraph->nRow==0 ){
      @   "rowinfo": null
    }else{
      @   "rowinfo": [
    }

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