static gboolean on_drag_motion(GtkWidget *dest_widget,
GdkDragContext *drag_context,
gint x,
gint y,
guint time,
FmFolderView* fv)
{
gboolean ret;
GdkDragAction action = 0;
GdkAtom target = gtk_drag_dest_find_target(dest_widget, drag_context, NULL);
if(target == GDK_NONE)
return FALSE;
ret = FALSE;
/* files are being dragged */
if(fm_dnd_dest_is_target_supported(fv->dnd_dest, target))
{
GtkTreePath* tp = get_drop_path(fv, x, y);
if(tp)
{
GtkTreeIter it;
if(gtk_tree_model_get_iter(fv->model, &it, tp))
{
FmFileInfo* fi;
gtk_tree_model_get(fv->model, &it, COL_FILE_INFO, &fi, -1);
fm_dnd_dest_set_dest_file(fv->dnd_dest, fi);
}
gtk_tree_path_free(tp);
}
else
{
/* FIXME: prevent direct access to data members. */
FmFolderModel* model = (FmFolderModel*)fv->model;
FmPath* dir_path = model->dir->dir_path;
fm_dnd_dest_set_dest_file(fv->dnd_dest, model->dir->dir_fi);
}
action = fm_dnd_dest_get_default_action(fv->dnd_dest, drag_context, target);
ret = action != 0;
}
if (action)
gdk_drag_status(drag_context, action, time);
return ret;
}
gboolean on_dnd_dest_query_info(FmDndDest* dd, int x, int y,
GdkDragAction* action, FmPlacesView* view)
{
GtkTreeViewDropPosition pos;
GtkTreePath* tp = NULL;
GtkTreeViewColumn* col;
if(gtk_tree_view_get_dest_row_at_pos((GtkTreeView*)view, x, y, &tp, &pos))
{
/* FIXME: this is inefficient. we should record the index of separator instead. */
if(pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE || pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER)
{
}
else
{
GtkTreePath* sep = gtk_tree_model_get_path(GTK_TREE_MODEL(model), &sep_it);
if(gtk_tree_path_compare(sep, tp) < 0) /* tp is after sep */
{
*action = GDK_ACTION_LINK;
}
else
{
*action = 0;
gtk_tree_path_free(tp);
tp = NULL;
}
gtk_tree_path_free(sep);
}
}
else
{
tp = gtk_tree_path_new_from_indices(gtk_tree_model_iter_n_children(GTK_TREE_MODEL(model), NULL)-1, -1);
pos = GTK_TREE_VIEW_DROP_AFTER;
*action = GDK_ACTION_LINK;
}
gtk_tree_view_set_drag_dest_row((GtkTreeView*)view, tp, pos);
fm_dnd_dest_set_dest_file(view->dnd_dest, NULL);
if(view->dest_row)
gtk_tree_path_free(view->dest_row);
view->dest_row = tp;
view->dest_pos = pos;
return TRUE;
}
static gboolean on_drag_motion (GtkWidget *dest_widget,
GdkDragContext *drag_context, gint x, gint y, guint time)
{
FmPlacesView* view = FM_PLACES_VIEW(dest_widget);
/* fm_drag_context_has_target_name(drag_context, "GTK_TREE_MODEL_ROW"); */
GdkAtom target;
GtkTreeViewDropPosition pos;
GtkTreePath* tp, *sep;
gboolean ret = FALSE;
GdkDragAction action = 0;
target = gtk_drag_dest_find_target(dest_widget, drag_context, NULL);
if(target == GDK_NONE)
return FALSE;
gtk_tree_view_get_dest_row_at_pos((GtkTreeView*)view, x, y, &tp, &pos);
/* handle reordering bookmark items first */
if(target == gdk_atom_intern_static_string("GTK_TREE_MODEL_ROW"))
{
/* bookmark item is being dragged */
ret = get_bookmark_drag_dest(view, &tp, &pos);
action = ret ? GDK_ACTION_MOVE : 0; /* bookmark items can only be moved */
}
/* try FmDndDest */
else if(fm_dnd_dest_is_target_supported(view->dnd_dest, target))
{
/* the user is dragging files. get FmFileInfo of drop site. */
if(pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE || pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER) /* drag into items */
{
FmPlaceItem* item = NULL;
GtkTreeIter it;
/* FIXME: handle adding bookmarks with Dnd */
if(tp && gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &it, tp))
gtk_tree_model_get(GTK_TREE_MODEL(model), &it, FM_PLACES_MODEL_COL_INFO, &item, -1);
fm_dnd_dest_set_dest_file(view->dnd_dest, item && item->fi ? item->fi : NULL);
action = fm_dnd_dest_get_default_action(view->dnd_dest, drag_context, target);
ret = action != 0;
}
else /* drop between items, create bookmark items for dragged files */
{
if( (!tp || fm_places_model_path_is_bookmark(FM_PLACES_MODEL(model), tp))
&& get_bookmark_drag_dest(view, &tp, &pos)) /* tp is after separator */
{
action = GDK_ACTION_LINK;
ret = TRUE;
}
else
{
action = 0;
ret = FALSE;
}
}
}
gdk_drag_status(drag_context, action, time);
if(ret)
gtk_tree_view_set_drag_dest_row(GTK_TREE_VIEW(view), tp, pos);
else
gtk_tree_view_set_drag_dest_row(GTK_TREE_VIEW(view), NULL, 0);
if(tp)
gtk_tree_path_free(tp);
return ret;
}
