2018-12-20 17:33:31 +08:00
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## tab\_control\_t
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### 概述
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2018-12-21 11:39:05 +08:00
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标签控件。
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2019-01-07 12:06:05 +08:00
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它本身不提供布局功能，仅提供具有语义的标签，让xml更具有可读性。
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标签控件通常会包含一个pages控件和一个tab\_button\_group控件。
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tab\_control\_t是[widget\_t](widget_t.md)的子类控件，
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widget\_t的函数均适用于tab\_control\_t控件。
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在xml中使用"tab\_control"标签创建标签控件。如：
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```xml
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<tab_control x="0" y="0" w="100%" h="100%" >
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<pages x="c" y="20" w="90%" h="-60" value="1">
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...
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</pages>
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<tab_button_group>
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...
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</tab_button_group>
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</tab_control>
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```
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> 更多用法请参考：
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[tab control](https://github.com/zlgopen/awtk/blob/master/demos/assets/raw/ui/)
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2019-01-15 14:34:05 +08:00
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----------------------------------
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2018-12-20 17:33:31 +08:00
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### 函数
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<p id="tab_control_t_methods">
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| 函数名称 | 说明 |
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| -------- | ------------ |
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2018-12-21 12:11:40 +08:00
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| <a href="#tab_control_t_tab_control_cast">tab\_control\_cast</a> | 转换tab_control对象(供脚本语言使用)。 |
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| <a href="#tab_control_t_tab_control_create">tab\_control\_create</a> | 创建tab_control对象 |
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2018-12-20 17:33:31 +08:00
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#### tab\_control\_cast 函数
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2018-12-21 18:29:29 +08:00
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-----------------------
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* 函数功能：
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> <p id="tab_control_t_tab_control_cast"> 转换tab_control对象(供脚本语言使用)。
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2018-12-21 11:39:05 +08:00
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* 函数原型：
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```
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widget_t* tab_control_cast (widget_t* widget);
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```
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* 参数说明：
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2018-12-20 17:33:31 +08:00
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| 参数 | 类型 | 说明 |
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| -------- | ----- | --------- |
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| 返回值 | widget\_t* | tab\_control对象。 |
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| widget | widget\_t* | tab\_control对象。 |
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2018-12-21 18:29:29 +08:00
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#### tab\_control\_create 函数
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-----------------------
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2018-12-21 11:39:05 +08:00
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* 函数功能：
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2018-12-21 18:29:29 +08:00
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> <p id="tab_control_t_tab_control_create"> 创建tab_control对象
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2018-12-20 17:33:31 +08:00
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2018-12-21 11:39:05 +08:00
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* 函数原型：
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```
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widget_t* tab_control_create (widget_t* parent, xy_t x, xy_t y, wh_t w, wh_t h);
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```
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* 参数说明：
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2018-12-20 17:33:31 +08:00
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| 参数 | 类型 | 说明 |
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| -------- | ----- | --------- |
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| 返回值 | widget\_t* | 对象。 |
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| parent | widget\_t* | 父控件 |
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| x | xy\_t | x坐标 |
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| y | xy\_t | y坐标 |
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| w | wh\_t | 宽度 |
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| h | wh\_t | 高度 |
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