static GList *
gimp_document_view_drag_uri_list (GtkWidget *widget,
gpointer data)
{
GimpViewable *viewable = gimp_dnd_get_drag_data (widget);
if (viewable)
{
const gchar *uri = gimp_object_get_name (GIMP_OBJECT (viewable));
return g_list_append (NULL, g_strdup (uri));
}
return NULL;
}
static gboolean
gimp_container_tree_view_drop_status (GimpContainerTreeView *tree_view,
GdkDragContext *context,
gint x,
gint y,
guint time,
GtkTreePath **return_path,
GdkAtom *return_atom,
GimpDndType *return_src_type,
GimpViewable **return_src,
GimpViewable **return_dest,
GtkTreeViewDropPosition *return_pos)
{
GimpViewable *src_viewable = NULL;
GimpViewable *dest_viewable = NULL;
GtkTreePath *drop_path = NULL;
GtkTargetList *target_list;
GdkAtom target_atom;
GimpDndType src_type;
GtkTreeViewDropPosition drop_pos = GTK_TREE_VIEW_DROP_BEFORE;
GdkDragAction drag_action = 0;
if (! gimp_container_view_get_container (GIMP_CONTAINER_VIEW (tree_view)) ||
! gimp_container_view_get_reorderable (GIMP_CONTAINER_VIEW (tree_view)))
goto drop_impossible;
target_list = gtk_drag_dest_get_target_list (GTK_WIDGET (tree_view->view));
target_atom = gtk_drag_dest_find_target (GTK_WIDGET (tree_view->view),
context, target_list);
if (! gtk_target_list_find (target_list, target_atom, &src_type))
goto drop_impossible;
switch (src_type)
{
case GIMP_DND_TYPE_URI_LIST:
case GIMP_DND_TYPE_TEXT_PLAIN:
case GIMP_DND_TYPE_NETSCAPE_URL:
case GIMP_DND_TYPE_COLOR:
case GIMP_DND_TYPE_SVG:
case GIMP_DND_TYPE_SVG_XML:
case GIMP_DND_TYPE_COMPONENT:
case GIMP_DND_TYPE_PIXBUF:
break;
default:
{
GtkWidget *src_widget = gtk_drag_get_source_widget (context);
if (! src_widget)
goto drop_impossible;
src_viewable = gimp_dnd_get_drag_data (src_widget);
if (! GIMP_IS_VIEWABLE (src_viewable))
goto drop_impossible;
}
break;
}
if (gtk_tree_view_get_path_at_pos (tree_view->view, x, y,
&drop_path, NULL, NULL, NULL))
{
GimpViewRenderer *renderer;
GtkTreeIter iter;
GdkRectangle cell_area;
gtk_tree_model_get_iter (tree_view->model, &iter, drop_path);
gtk_tree_model_get (tree_view->model, &iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
dest_viewable = renderer->viewable;
g_object_unref (renderer);
gtk_tree_view_get_cell_area (tree_view->view, drop_path, NULL, &cell_area);
if (gimp_viewable_get_children (dest_viewable))
{
if (gtk_tree_view_row_expanded (tree_view->view, drop_path))
{
if (y >= (cell_area.y + cell_area.height / 2))
drop_pos = GTK_TREE_VIEW_DROP_INTO_OR_AFTER;
else
drop_pos = GTK_TREE_VIEW_DROP_BEFORE;
}
else
{
if (y >= (cell_area.y + 2 * (cell_area.height / 3)))
drop_pos = GTK_TREE_VIEW_DROP_AFTER;
else if (y <= (cell_area.y + cell_area.height / 3))
drop_pos = GTK_TREE_VIEW_DROP_BEFORE;
else
drop_pos = GTK_TREE_VIEW_DROP_INTO_OR_AFTER;
}
}
else
{
if (y >= (cell_area.y + cell_area.height / 2))
drop_pos = GTK_TREE_VIEW_DROP_AFTER;
else
drop_pos = GTK_TREE_VIEW_DROP_BEFORE;
}
}
else
{
GtkTreeIter iter;
gint n_children;
n_children = gtk_tree_model_iter_n_children (tree_view->model, NULL);
if (n_children > 0 &&
gtk_tree_model_iter_nth_child (tree_view->model, &iter,
NULL, n_children - 1))
{
GimpViewRenderer *renderer;
gtk_tree_model_get (tree_view->model, &iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER,
&renderer,
-1);
drop_path = gtk_tree_model_get_path (tree_view->model, &iter);
dest_viewable = renderer->viewable;
drop_pos = GTK_TREE_VIEW_DROP_AFTER;
g_object_unref (renderer);
}
}
if (dest_viewable || tree_view->priv->dnd_drop_to_empty)
{
if (GIMP_CONTAINER_TREE_VIEW_GET_CLASS (tree_view)->drop_possible (tree_view,
src_type,
src_viewable,
dest_viewable,
drop_path,
drop_pos,
&drop_pos,
&drag_action))
{
gdk_drag_status (context, drag_action, time);
if (return_path)
*return_path = drop_path;
else
gtk_tree_path_free (drop_path);
if (return_atom)
*return_atom = target_atom;
if (return_src)
*return_src = src_viewable;
if (return_dest)
*return_dest = dest_viewable;
if (return_pos)
*return_pos = drop_pos;
return TRUE;
}
gtk_tree_path_free (drop_path);
}
drop_impossible:
gdk_drag_status (context, 0, time);
return FALSE;
}
