gtk2/docs/reference/gtk/tmpl/gtktreednd.sgml

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GtkTreeView drag-and-drop

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Interfaces for drag-and-drop support in GtkTreeView

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<para>
GTK+ supports Drag-and-Drop in tree views with a high-level and a low-level 
API.
</para>
<para>
The low-level API consists of the GTK+ DND API, augmented by some treeview 
utility functions: gtk_tree_view_set_drag_dest_row(),
gtk_tree_view_get_drag_dest_row(), gtk_tree_view_get_dest_row_at_pos(), 
gtk_tree_view_create_row_drag_icon(), gtk_tree_set_row_drag_data() and
gtk_tree_get_row_drag_data(). This API leaves a lot of flexibility, but
nothing is done automatically, and implementing advanced features like
hover-to-open-rows or autoscrolling on top of this API is a lot of work.
</para>
<para>
On the other hand, if you write to the high-level API, then all the 
bookkeeping of rows is done for you, as well as things like hover-to-open 
and auto-scroll, but your models have to implement the 
#GtkTreeDragSource and #GtkTreeDragDest interfaces.
</para>

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<para>

</para>

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<!-- ##### STRUCT GtkTreeDragSource ##### -->
<para>

</para>


<!-- ##### STRUCT GtkTreeDragSourceIface ##### -->
<para>

</para>

@g_iface: 
@row_draggable: 
@drag_data_get: 
@drag_data_delete: 

<!-- ##### FUNCTION gtk_tree_drag_source_drag_data_delete ##### -->
<para>

</para>

@drag_source: 
@path: 
@Returns: 


<!-- ##### FUNCTION gtk_tree_drag_source_drag_data_get ##### -->
<para>

</para>

@drag_source: 
@path: 
@selection_data: 
@Returns: 


<!-- ##### FUNCTION gtk_tree_drag_source_row_draggable ##### -->
<para>

</para>

@drag_source: 
@path: 
@Returns: 


<!-- ##### STRUCT GtkTreeDragDest ##### -->
<para>

</para>


<!-- ##### STRUCT GtkTreeDragDestIface ##### -->
<para>

</para>

@g_iface: 
@drag_data_received: 
@row_drop_possible: 

<!-- ##### FUNCTION gtk_tree_drag_dest_drag_data_received ##### -->
<para>

</para>

@drag_dest: 
@dest: 
@selection_data: 
@Returns: 


<!-- ##### FUNCTION gtk_tree_drag_dest_row_drop_possible ##### -->
<para>

</para>

@drag_dest: 
@dest_path: 
@selection_data: 
@Returns: 


<!-- ##### FUNCTION gtk_tree_set_row_drag_data ##### -->
<para>

</para>

@selection_data: 
@tree_model: 
@path: 
@Returns: 


<!-- ##### FUNCTION gtk_tree_get_row_drag_data ##### -->
<para>

</para>

@selection_data: 
@tree_model: 
@path: 
@Returns: