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* configure.ac: Test for libglademm
* grapher/GraphWidget.hxx (DataModelColumns): new class
(onDataDialogCancel, void onDataAdd, onDataRemove, onDataDialogOpen):
new methods
* grapher/GraphWidget.cxx: ditto; methods for the graph data dialog.
* grapher/graph-dialog.glade: New file.
* grapher/graph-dialog.gladep: New file.
* grapher/Makefile.am (dist_pkgdata_DATA): add graph-dialog.glade to
installation.
* grapher/GraphWidget.cxx (GraphWidget constructor): Use PKGDATADIR
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* grapher/Graph.cxx (Graph constructor): Initialize graph dimensions.
(draw): Don't clear the drawing area.
* grapher/GraphWidget.hxx (GraphWidget): Add dimensions and
on_size_request() method.
* grapher/GraphWidget.cxx (GraphWidget constructor): Initialize
dimensions.
(addGraph): New method.
(on_size_request): New method to pass widget's size to parent widgets
* grapher/grapher.cxx (GrapherWindow constructor): add "add graph"
action.
(addGraph): New method.
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* grapher/Graph.hxx: New file; class for single graph display.
* grapher/Graph.cxx: New file.
* grapher/GraphData.hxx: Associate title and axis labels with graph
data and not a graph display.
* grapher/GraphWidget.hxx: Move graph-related members to Graph class.
* grapher/GraphWidget.cxx (getExtents, setExtents): Move to Graph
class
(on_expose_event): Move graph rendering to Graph.
(on_button_press_event): Delegate to Graph.
(on_motion_notify_event, on_scroll_event): Modify "active" graph.
* grapher/StapParser.cxx (findTaggedValue): New parsing helper
function.
(io_callback): Support new syntax where properties are attached to
graph data and not the entire graph.
* grapher/grapher.cxx (GrapherWindow): Don't set graph values.
* grapher/Makefile.am: Add Graph.cxx.
* testsuite/systemtap.examples/general/grapher.stp: New property syntax.
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* grapher/GraphData.hxx (GraphDataBase): new superclass for
GraphData. Split time data out as a separate vector.
(GraphData): Rewrite as template.
* grapher/GraphWidget.cxx (on_expose_event): Reflect GraphData
templatization. Handle events with string values.
* grapher/GraphWidget.hxx (GraphWidget): Keep pointers to
GraphDataBase objects instead of GraphData.
* grapher/StapParser.cxx (parseData): new member function
(ioCallback): Handle new discreet event
* grapher/StapParser.hxx (StapParser): keep pointers to GraphDataBase
objects instead of GraphData
* testsuite/systemtap.examples/general/grapher.stp: Display actual key
pressed for keyboard event
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