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GnomeDbCanvasItem

GnomeDbCanvasItem — Base class for all the GnomeCanvasItem derived widgets in libgnomedb.

Synopsis



                    GnomeDbCanvasItem;

Object Hierarchy

  GObject
   +----GInitiallyUnowned
         +----GtkObject
               +----GnomeCanvasItem
                     +----GnomeCanvasGroup
                           +----GnomeDbCanvasItem
                                 +----GnomeDbCanvasCursor
                                 +----GnomeDbCanvasEntity
                                 +----GnomeDbCanvasText
                                 +----GnomeDbCanvasFkconstraint
                                 +----GnomeDbCanvasJoin

Properties

  "allow-drag"               gboolean              : Read / Write
  "allow-move"               gboolean              : Read / Write
  "graph-item"               GdaGraphItem          : Read / Write
  "tip-text"                 gchararray            : Read / Write

Signals

  "drag-action"                                    : Run First
  "moved"                                          : Run First
  "moving"                                         : Run First
  "shifted"                                        : Run First

Description

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.

Details

GnomeDbCanvasItem

typedef struct _GnomeDbCanvasItem GnomeDbCanvasItem;

Property Details

The "allow-drag" property

  "allow-drag"               gboolean              : Read / Write

Default value: FALSE

The "allow-move" property

  "allow-move"               gboolean              : Read / Write

Default value: TRUE

The "graph-item" property

  "graph-item"               GdaGraphItem          : Read / Write

The "tip-text" property

  "tip-text"                 gchararray            : Read / Write

Default value: NULL

Signal Details

The "drag-action" signal

void                user_function                      (GnomeDbCanvasItem *dbcanvasitem,
                                                        gpointer           arg1,
                                                        gpointer           arg2,
                                                        gpointer           user_data)         : Run First

dbcanvasitem : the object which received the signal.
arg1 :
arg2 :
user_data : user data set when the signal handler was connected.

The "moved" signal

void                user_function                      (GnomeDbCanvasItem *dbcanvasitem,
                                                        gpointer           user_data)         : Run First

dbcanvasitem : the object which received the signal.
user_data : user data set when the signal handler was connected.

The "moving" signal

void                user_function                      (GnomeDbCanvasItem *dbcanvasitem,
                                                        gpointer           user_data)         : Run First

dbcanvasitem : the object which received the signal.
user_data : user data set when the signal handler was connected.

The "shifted" signal

void                user_function                      (GnomeDbCanvasItem *dbcanvasitem,
                                                        gpointer           user_data)         : Run First

dbcanvasitem : the object which received the signal.
user_data : user data set when the signal handler was connected.