示例#1
0
void
tools_select_cmd_callback (GtkAction   *action,
                           const gchar *value,
                           gpointer     data)
{
  Gimp         *gimp;
  GimpToolInfo *tool_info;
  GimpContext  *context;
  GimpDisplay  *display;
  gboolean      rotate_layer = FALSE;
  return_if_no_gimp (gimp, data);

  /*  special case gimp-rotate-tool being called from the Layer menu  */
  if (strcmp (value, "gimp-rotate-layer") == 0)
    {
      rotate_layer = TRUE;
      value = "gimp-rotate-tool";
    }

  tool_info = gimp_get_tool_info (gimp, value);

  context = gimp_get_user_context (gimp);

  /*  always allocate a new tool when selected from the image menu
   */
  if (gimp_context_get_tool (context) != tool_info)
    {
      gimp_context_set_tool (context, tool_info);

      if (rotate_layer)
        g_object_set (tool_info->tool_options,
                      "type", GIMP_TRANSFORM_TYPE_LAYER,
                      NULL);
    }
  else
    {
      gimp_context_tool_changed (context);
    }

  display = gimp_context_get_display (context);

  if (display && gimp_display_get_image (display))
    tool_manager_initialize_active (gimp, display);
}