Graphing objects and widgets

MgGraph - Data model to keep graphs' layout
MgGraphItem - Parts of data model used with the MgGraph object.
MgCanvas - Base class for all the GnomeCanvas derived widgets in libmergeant.
MgCanvasDbRelations - Graphical representation of the relations (foreign key constreints) in the database.
MgCanvasItem - Base class for all the GnomeCanvasItem derived widgets in libmergeant.
MgCanvasEntity - Draws a graphical representation of a MgEntity object
MgCanvasField - Draws a graphical representation of a MgField object
MgCanvasTip - Draws a "tooltip" text
MgCanvasCursor - Represents a small cursor used when a drag and drop operations occurs within the canvas
MgCanvasText - Base class for MgCanvasItem objects rendering a MgBase's name as a text