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Libgnomedb 3.0 Reference Manual | ![]() |
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Top | Description | Object Hierarchy | Implemented Interfaces | Properties | Signals |
GnomeDbCanvasGnomeDbCanvas — Base class for all the GnomeCanvas derived widgets in libgnomedb. |
GObject +----GInitiallyUnowned +----GtkObject +----GtkWidget +----GtkContainer +----GtkLayout +----GnomeCanvas +----GnomeDbCanvas +----GnomeDbCanvasDbRelations +----GnomeDbCanvasQueryStruct
This abstract class adds some basic functionnalities on top of the GnomeCanvas canvas such as:
synchronisation with a GdaGraph object (to be able to save the position of each canvas item) and management of the list of items drawn on the canvas.
zoom settings
The GnomeDbCanvas widget can be used with or without any associated GdaGraph object.
"drag-action"
signalvoid user_function (GnomeDbCanvas *dbcanvas, gpointer arg1, gpointer arg2, gpointer user_data) : Run First
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the object which received the signal. |
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user data set when the signal handler was connected. |