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| author | Tim Moore <timoore@redhat.com> | 2009-12-03 19:31:08 +0100 |
|---|---|---|
| committer | Tim Moore <timoore@redhat.com> | 2009-12-03 19:31:08 +0100 |
| commit | 03ebf81c360e429ef1e4f8bae48fe524f712589a (patch) | |
| tree | f16a68b7f8cb14224d0e38181fea21617c93e9d8 /grapher/Graph.cxx | |
| parent | c10fce7d6aaa57a4f94f9d7aeea906597456f7ce (diff) | |
| download | systemtap-steved-03ebf81c360e429ef1e4f8bae48fe524f712589a.tar.gz systemtap-steved-03ebf81c360e429ef1e4f8bae48fe524f712589a.tar.xz systemtap-steved-03ebf81c360e429ef1e4f8bae48fe524f712589a.zip | |
Hover text for event-style graphs
Don't draw the data value for an event; only display it in hover text.
* grapher/Graph.hxx (window2GraphCoords): new function
* grapher/Graph.cxx (window2GraphCoords): ditto
* grapher/GraphStyle.cxx (GraphStyleEvent::dataIndexAtPoint): new
function implementation.
Diffstat (limited to 'grapher/Graph.cxx')
| -rw-r--r-- | grapher/Graph.cxx | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/grapher/Graph.cxx b/grapher/Graph.cxx index 55ffcdf2..57f1dc9a 100644 --- a/grapher/Graph.cxx +++ b/grapher/Graph.cxx @@ -205,4 +205,11 @@ namespace systemtap return (_left + (_right - _left) * ((x - _xOffset)/(_zoomFactor * _graphWidth))); } + + void Graph::window2GraphCoords(double x, double y, + double& xgraph, double& ygraph) + { + xgraph = x -_xOffset; + ygraph = -y + _yOffset + _graphHeight; + } } |