diff options
| author | Tim Moore <timoore@redhat.com> | 2009-12-01 12:26:59 +0100 |
|---|---|---|
| committer | Tim Moore <timoore@redhat.com> | 2009-12-01 12:36:55 +0100 |
| commit | d293d53136fa7e6e7eda510847145edf4d3d7f55 (patch) | |
| tree | 50d5969dec90938cc7efd42e9aea5bfcf5aa6bae /grapher/GraphWidget.hxx | |
| parent | 572a176d481c329b370ce52e7bec1a49ed76c225 (diff) | |
| download | systemtap-steved-d293d53136fa7e6e7eda510847145edf4d3d7f55.tar.gz systemtap-steved-d293d53136fa7e6e7eda510847145edf4d3d7f55.tar.xz systemtap-steved-d293d53136fa7e6e7eda510847145edf4d3d7f55.zip | |
Add hover text to the graph.
When the graph display is paused, leaving the mouse stationary over
the graph will display the data point under the pointer.
* grapher/CairoWidget.hxx (CairoTextBox): new class
(CairoWidget, CairoPlayButton): refector some play button-specific
things from CairoWidget to CairoPlayButton.
* grapher/CairoWidget.cxx (CairoTextBox::draw): new function.
* grapher/GraphWidget.hxx (GraphWidget): new members for supporting
hover text.
* grapher/GraphWidget.cxx (on_motion_notify_event): Set up hover text box.
(establishHoverTimeout, onHoverTimeout, getGraphUnderPoint): new functions.
Diffstat (limited to 'grapher/GraphWidget.hxx')
| -rw-r--r-- | grapher/GraphWidget.hxx | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/grapher/GraphWidget.hxx b/grapher/GraphWidget.hxx index 876b6e09..61d50e70 100644 --- a/grapher/GraphWidget.hxx +++ b/grapher/GraphWidget.hxx @@ -65,8 +65,15 @@ namespace systemtap void onDataAdd(); void onDataRemove(); void onDataDialogOpen(); + bool onHoverTimeout(); DataModelColumns _dataColumns; Glib::RefPtr<Gtk::ListStore> _listStore; + sigc::connection _hover_timeout_connection; + std::tr1::shared_ptr<CairoTextBox> _hoverText; + double _mouseX; + double _mouseY; + std::tr1::shared_ptr<Graph> getGraphUnderPoint(double x, double y); + void establishHoverTimeout(); }; } #endif // SYSTEMTAP_GRAPHWIDGET_H |