text: ﻿/*
   * widget_task.h -- LCUI widget task module.
   *
   * Copyright (c) 2018, Liu chao <lc-soft@live.cn> All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   *   * Redistributions of source code must retain the above copyright notice,
   *     this list of conditions and the following disclaimer.
   *   * Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in the
   *     documentation and/or other materials provided with the distribution.
   *   * Neither the name of LCUI nor the names of its contributors may be used
   *     to endorse or promote products derived from this software without
   *     specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef LCUI_WIDGET_TASK_H
  #define LCUI_WIDGET_TASK_H
  
  LCUI_BEGIN_HEADER
  
  /** 更新当前任务状态，确保部件的任务能够被处理到 */
  LCUI_API void Widget_UpdateTaskStatus(LCUI_Widget widget);
  
  /** 添加任务 */
  LCUI_API void Widget_AddTask(LCUI_Widget widget, int task_type);
  
  /** 处理部件中当前积累的任务 */
  LCUI_API int Widget_Update(LCUI_Widget w);
  
  /** 为子级部件添加任务 */
  LCUI_API void Widget_AddTaskForChildren(LCUI_Widget widget, int task);
  
  /** 初始化 LCUI 部件任务处理功能 */
  LCUI_API void LCUIWidget_InitTasks(void);
  
  /** 销毁（释放） LCUI 部件任务处理功能的相关资源 */
  LCUI_API void LCUIWidget_FreeTasks(void);
  
  /** 处理一次当前积累的部件任务 */
  LCUI_API void LCUIWidget_Update(void);
  
  /** 刷新所有部件的样式 */
  LCUI_API void LCUIWidget_RefreshStyle(void);
  
  LCUI_END_HEADER
  
  #endif
  