workspace_listen.cc

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "BLI_listbase.h"
 
#include "BKE_context.hh"
#include "BKE_viewer_path.hh"
 
#include "ED_screen.hh"
#include "ED_viewer_path.hh"
 
#include "WM_api.hh"

static void validate_viewer_paths(bContext &C, WorkSpace &workspace)
{
  if (BLI_listbase_is_empty(&workspace.viewer_path.path)) {
    return;
  }
 
  using namespace blender::ed::viewer_path;
 
  const UpdateActiveGeometryNodesViewerResult result = update_active_geometry_nodes_viewer(
      C, workspace.viewer_path);
  switch (result) {
    case UpdateActiveGeometryNodesViewerResult::StillActive:
      return;
    case UpdateActiveGeometryNodesViewerResult::Updated:
      break;
    case UpdateActiveGeometryNodesViewerResult::NotActive:
      BKE_viewer_path_clear(&workspace.viewer_path);
      break;
  }
 
  WM_event_add_notifier(&C, NC_VIEWER_PATH, nullptr);
}
 
void ED_workspace_do_listen(bContext *C, const wmNotifier * /*note*/)
{
  WorkSpace *workspace = CTX_wm_workspace(C);
  validate_viewer_paths(*C, *workspace);
}