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Libgnomedb Reference Manual | ![]() |
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GnomeDbCanvasItemGnomeDbCanvasItem — Base class for all the GnomeCanvasItem derived widgets in libgnomedb. |
GnomeDbCanvasItem; GnomeDbCanvas* gnome_db_canvas_item_get_canvas (GnomeDbCanvasItem *item); GdaGraphItem* gnome_db_canvas_item_get_graph_item (GnomeDbCanvasItem *item);
GObject +----GtkObject +----GnomeCanvasItem +----GnomeCanvasGroup +----GnomeDbCanvasItem +----GnomeDbCanvasCursor +----GnomeDbCanvasEntity +----GnomeDbCanvasText +----GnomeDbCanvasFkconstraint +----GnomeDbCanvasJoin
"allow-drag" gboolean : Read / Write "allow-move" gboolean : Read / Write "graph-item" gpointer : Read / Write "tip-text" gchararray : Read / Write
"drag-action" void user_function (GnomeDbCanvasItem *dbcanvasitem, gpointer arg1, gpointer arg2, gpointer user_data); "moved" void user_function (GnomeDbCanvasItem *dbcanvasitem, gpointer user_data); "moving" void user_function (GnomeDbCanvasItem *dbcanvasitem, gpointer user_data); "shifted" void user_function (GnomeDbCanvasItem *dbcanvasitem, gpointer user_data);
This object adds some functionnalities on top of the GnomeCanvasItem objects such as synchronisation with a GdaGraphItem object (to have a persistent position on the canvas), the ability to be moved on the canvas, and the ability to initiate and report simple drag and drop within the canvas.
GnomeDbCanvas* gnome_db_canvas_item_get_canvas (GnomeDbCanvasItem *item);
Get the GnomeDbCanvas on which item
is drawn
item : |
a GnomeDbCanvasItem object |
Returns : | the GnomeDbCanvas widget |
GdaGraphItem* gnome_db_canvas_item_get_graph_item (GnomeDbCanvasItem *item);
Get the associated GdaGraphItem to item
.
item : |
a GnomeDbCanvasItem object |
Returns : | the GdaGraphItem, or NULL
|
void user_function (GnomeDbCanvasItem *dbcanvasitem, gpointer arg1, gpointer arg2, gpointer user_data);
dbcanvasitem : |
the object which received the signal. |
arg1 : |
|
arg2 : |
|
user_data : |
user data set when the signal handler was connected. |
void user_function (GnomeDbCanvasItem *dbcanvasitem, gpointer user_data);
dbcanvasitem : |
the object which received the signal. |
user_data : |
user data set when the signal handler was connected. |
void user_function (GnomeDbCanvasItem *dbcanvasitem, gpointer user_data);
dbcanvasitem : |
the object which received the signal. |
user_data : |
user data set when the signal handler was connected. |
void user_function (GnomeDbCanvasItem *dbcanvasitem, gpointer user_data);
dbcanvasitem : |
the object which received the signal. |
user_data : |
user data set when the signal handler was connected. |
<< GnomeDbCanvasQueryStruct | GnomeDbCanvasEntity >> |