Gtk.Tree_Drag_Source

Description

Interface for Drag-and-Drop destinations in GtkTreeView.

<group>Trees and Lists</group>

"+"

function "+" (W : Gtk_Tree_Drag_Source) return Gtk_Tree_Drag_Source

Parameters

W

Return Value

Drag_Data_Delete

function Drag_Data_Delete
   (Self : Gtk_Tree_Drag_Source;
    Path : Gtk.Tree_Model.Gtk_Tree_Path) return Boolean

Asks the GtkTreeDragSource to delete the row at Path, because it was moved somewhere else via drag-and-drop. Returns False if the deletion fails because Path no longer exists, or for some model-specific reason. Should robustly handle a Path no longer found in the model! Deprecated since 4.10, 1

Parameters

Self

Path

row that was being dragged

Return Value

True if the row was successfully deleted

Drag_Data_Get

function Drag_Data_Get
   (Self : Gtk_Tree_Drag_Source;
    Path : Gtk.Tree_Model.Gtk_Tree_Path)
    return Gdk.Content_Provider.Gdk_Content_Provider

Asks the GtkTreeDragSource to return a GdkContentProvider representing the row at Path. Should robustly handle a Path no longer found in the model! Deprecated since 4.10, 1

Parameters

Self

Path

row that was dragged

Return Value

a GdkContentProvider for the given Path. Has transfer-ownership='full'.

Get_Type

function Get_Type return Glib.GType

Return Value

Gtk_Tree_Drag_Source

type Gtk_Tree_Drag_Source is new Glib.Types.GType_Interface;

Null_Gtk_Tree_Drag_Source

Null_Gtk_Tree_Drag_Source : constant Gtk_Tree_Drag_Source;

Row_Draggable

function Row_Draggable
   (Self : Gtk_Tree_Drag_Source;
    Path : Gtk.Tree_Model.Gtk_Tree_Path) return Boolean

Asks the GtkTreeDragSource whether a particular row can be used as the source of a DND operation. If the source doesn't implement this interface, the row is assumed draggable. Deprecated since 4.10, 1

Parameters

Self

Path

row on which user is initiating a drag

Return Value

True if the row can be dragged

Set_Drag_Data_Delete

procedure Set_Drag_Data_Delete
  (Self    : Tree_Drag_Source_Interface_Descr;
   Handler : Virtual_Drag_Data_Delete)

Parameters

Self

Handler

Set_Drag_Data_Get

procedure Set_Drag_Data_Get
  (Self    : Tree_Drag_Source_Interface_Descr;
   Handler : Virtual_Drag_Data_Get)

Parameters

Self

Handler

Set_Row_Draggable

procedure Set_Row_Draggable
  (Self    : Tree_Drag_Source_Interface_Descr;
   Handler : Virtual_Row_Draggable)

See Glib.Object.Add_Interface

Parameters

Self

Handler

Tree_Drag_Source_Interface_Descr

subtype Tree_Drag_Source_Interface_Descr is Glib.Object.Interface_Description;

Virtual_Drag_Data_Delete

type Virtual_Drag_Data_Delete is access function
  (Self : Gtk_Tree_Drag_Source;
   Path : System.Address) return Glib.Gboolean;

Asks the GtkTreeDragSource to delete the row at Path, because it was moved somewhere else via drag-and-drop. Returns False if the deletion fails because Path no longer exists, or for some model-specific reason. Should robustly handle a Path no longer found in the model! Deprecated since 4.10, 1

Parameters

Self

Path

row that was being dragged

Return Value

True if the row was successfully deleted

Virtual_Drag_Data_Get

type Virtual_Drag_Data_Get is access function
  (Self : Gtk_Tree_Drag_Source;
   Path : System.Address) return System.Address;

Asks the GtkTreeDragSource to return a GdkContentProvider representing the row at Path. Should robustly handle a Path no longer found in the model! Deprecated since 4.10, 1

Parameters

Self

Path

row that was dragged

Return Value

a GdkContentProvider for the given Path. Has transfer-ownership='full'.

Virtual_Row_Draggable

type Virtual_Row_Draggable is access function
  (Self : Gtk_Tree_Drag_Source;
   Path : System.Address) return Glib.Gboolean;

Asks the GtkTreeDragSource whether a particular row can be used as the source of a DND operation. If the source doesn't implement this interface, the row is assumed draggable. Deprecated since 4.10, 1

Parameters

Self

Path

row on which user is initiating a drag

Return Value

True if the row can be dragged