3.0.0rc1

🟢 Added / 新增

• The widget Text added methods get and set to get and modify its text content
  小部件 Text 添加了 get 和 set 方法，用于获取和修改其文本内容

• Added widget Image
  添加了小部件：Image

• Added container widget Frame to assist with layout
  添加了容器小部件 Frame 以协助布局

• The container widget Canvas has added the method clear to clear everything drawn inside it
  容器小部件 Canvas 添加了 clear 方法，以清除其中绘制的所有内容

• Widgets can now be nested within widgets
  小部件现在可以嵌套在小部件中了

• The submodule tools added a function get_text_size to get the size of the text
  子模块 tools 添加了一个函数 get_text_size 用于获取文本的大小

• Added the incomplete Select All function, which can select all, but due to the imperfection of the function of selecting the text with the mouse, the Select All function cannot select the undisplayed text
  新增了不完整的全选功能，可以全选，但由于鼠标选择文本的功能不完善，导致全选功能无法选择未显示的文本

• virtual.Widget has a new method called detect to determine the range based on the data of the widget itself
  virtual.Widget 新增了一个名为 detect 的方法，其根据小部件本身的数据确定的范围来进行检测

• Added HalfRoundedRectangular shape class
  添加了形状类 HalfRoundedRectangular

• Added widget: ToggleButton
  添加了小部件：ToggleButton

• Added widget: SegmentedButton
  添加了小部件：SegmentedButton

• Added widget: SpinBox
  添加了小部件：SpinBox

• The subpackage standard added an internal submodule _auxiliary to define some auxiliary widgets
  子包 standard 添加了一个内部子模块 _auxiliary 来定义一些辅助小部件

• The GOLDEN_RATIO constant has been added
  增加了常量 GOLDEN_RATIO

• Added experimental implementations of widgets OptionButton and ComboBox
  添加了小部件 OptionButton 和 ComboBox 的实验性实现

🔴 Removed / 移除

• The code for the matplotlib related interface part is separated
  将 matplotlib 相关接口部分的代码分离了

• Due to some conflicts, the binding and handling of the mouse double-click event has been removed
  由于存在一些冲突，删除了鼠标双击事件的绑定和处理

🟡 Changed / 变更

• Re-change the text defaults of the widget to an empty string
  将小部件的文本默认值重新更改为空字符串

• Rename the widgets Entry and Information to InputBox and Text, respectively
  将小部件 Entry 和 Information 分别重命名为 InputBox 和 Text

• The "Feature" suffix has been added to the class names of several Feature classes to prevent them from being indistinguishable from the Widget class in the error message
  “Feature” 后缀已添加到多个 Feature 类的类名中，以防止它们与错误消息中的 Widget 类无法区分

🔵 Optimized / 优化

• Optimized decision detection for Oval and SemicircularRectangle
  优化了 Oval 和 SemicircularRectangle 的检测判定方法

• The Switch widget added more animations
  Switch 添加了更多动画

• Shape scaling has been improved: the scale has been changed from direct scaling to calculating the position to prevent the proportions of some parts from being broken
  改进了 Shape 的缩放：缩放已从直接缩放更改为计算位置后缩放，以防止某些部分的比例被破坏

• All widgets that involve text now do not need to be forced to specify the size at initialization, and it automatically calculates the size of text without line breaks
  现在，所有涉及文本的小部件都不需要在初始化时强制指定大小，它会自动计算没有换行符的文本的大小

• Optimized the RoundedRectangle subclass of the Shape class
  优化了 Shape 的子类 RoundedRectangle

• Improved the docstrings, error messages, and warning messages
  改善了文档字符串、错误消息和警告消息

🟣 Fixed / 修复

• Fixed a bug where IconButton was missing style files
  修复了 IconButton 缺少样式文件的 bug

• Fixed a bug where the Slider could be activated unexpectedly when disabled
  修复了 Slider 在禁用时可能会意外激活的 bug

• Fixed a bug where text had no effect on modifying its properties after scaling
  修复了文本在缩放后修改其属性不起作用的 bug

• Fixed a bug where some widgets with default values could repeatedly call the method set, causing the widget appearance to be misaligned
  修复了某些具有默认值的小部件可能会重复调用方法 set 从而导致小部件外观错位的 bug

• Fixed a bug where some highly custom widgets would report an error when zooming
  修复了某些高度自定义的小部件在缩放时会报错的 bug

🟤 Refactored / 重构

• Refactored the style subpackage, reformatted the style file, and now supports two ways to import themes. That is, import as a JSON file, or directly import using a Python file
  重构了 style 子包，重新格式化了样式文件，现在支持两种导入主题的方式。即使用 JSON 文件导入，或直接使用 Python 文件导入

• Removed the original JSON format style file, and added theme subpackage to store the style data as a Python file, so as to solve the bug that the default style file is lost in project packaging
  移除了原有的 JSON 格式样式文件，并添加了 theme 子包，将样式数据存储为 Python 件，从而解决了项目打包时默认样式文件丢失的 bug