| QAccel | 处理键盘加速器和快捷键 | Handles keyboard accelerator and shortcut keys |
| QAccessible | Enums与可达性的静态函数 | Enums and static functions relating to accessibility |
| QAccessibleInterface | 定义一个接口，该接口公开有关可访问对象的信息。 | Defines an interface that exposes information about accessible objects |
| QAccessibleObject | 为QObjor实现QAccess接口的部分 | Implements parts of the QAccessibleInterface for QObjects |
| QAction | 可以在菜单和工具栏中显示的抽象用户界面动作 | Abstract user interface action that can appear both in menus and tool bars |
| QActionGroup | 集体行动 | Groups actions together |
| QApplication | 管理GUI应用程序的控制流程和主要设置 | Manages the GUI application's control flow and main settings |
| QAsciiCache | 基于char *键提供缓存的模板类 | Template class that provides a cache based on char* keys |
| QAsciiCacheIterator | Qasciicache Collections Iterator | Iterator for QAsciiCache collections |
| QAsciiDict | 基于char *键提供字典的模板类 | Template class that provides a dictionary based on char* keys |
| QAsciiDictIterator | QasiIDICT集合的迭代器 | Iterator for QAsciiDict collections |
| QBitArray | 位数组 | Array of bits |
| QBitVal | 内部类，与QBITAL数组一起使用 | Internal class, used with QBitArray |
| QBitmap | 单色（1位深度）像素映射 | Monochrome (1-bit depth) pixmaps |
| QBoxLayout | 水平或垂直排列子控件 | Lines up child widgets horizontally or vertically |
| QBrush | 定义Qu画师绘制的形状的填充模式。 | Defines the fill pattern of shapes drawn by a QPainter |
| QBuffer | 在QByTurrar上操作的I/O设备 | I/O device that operates on a QByteArray |
| QButton | 按钮小部件的抽象基类，提供按钮常用的功能 | The abstract base class of button widgets, providing functionality common to buttons |
| QButtonGroup | Organizes QButton widgets in a group | Organizes QButton widgets in a group |
| QByteArray | 字节数组 | Array of bytes |
| QCDEStyle | 外观与感觉 | CDE look and feel |
| QCString | 经典C零结尾字符数组（CHAR*）的抽象 | Abstraction of the classic C zero-terminated char array (char *) |
| QCache | 基于QSql键提供缓存的模板类 | Template class that provides a cache based on QString keys |
| QCacheIterator | QCHASE收藏品 | Iterator for QCache collections |
| QCanvas | 可以包含QCANVAISTION对象的2D区域 | 2D area that can contain QCanvasItem objects |
| QCanvasEllipse | 在QCANVAS上的椭圆或椭圆段 | Ellipse or ellipse segment on a QCanvas |
| QCanvasItem | QCANVAS上的抽象图形对象 | Abstract graphic object on a QCanvas |
| QCanvasItemList | QCANASAS项目列表 | List of QCanvasItems |
| QCanvasLine | 在QCANVAS上的行 | Line on a QCanvas |
| QCanvasPixmap | QCANVASPITS的像素映射 | Pixmaps for QCanvasSprites |
| QCanvasPixmapArray | QCANVISPIX映射数组 | Array of QCanvasPixmaps |
| QCanvasPolygon | 有QCANVAS的多边形 | Polygon on a QCanvas |
| QCanvasPolygonalItem | QCANVAS多边形 | Polygonal canvas item on a QCanvas |
| QCanvasRectangle | 有QCANVAS的矩形 | Rectangle on a QCanvas |
| QCanvasSpline | 在QCANVAS上的多个Bezier样条函数 | Multi-bezier splines on a QCanvas |
| QCanvasSprite | 活跃的歌唱 | Animated canvas item on a QCanvas |
| QCanvasText | QCANVAS上的文本对象 | Text object on a QCanvas |
| QCanvasView | 关于QCANVAS的屏幕视图 | On-screen view of a QCanvas |
| QChar | 轻量级Unicode字符 | Lightweight Unicode character |
| QCharRef | q字符串的帮助类 | Helper class for QString |
| QCheckBox | Checkbox with a text label | Checkbox with a text label |
| QCheckListItem | 可检查列表视图项 | Checkable list view items |
| QCheckTableItem | Qtables中的检查 | Checkboxes in QTables |
| QChildEvent | 子对象事件的事件参数 | Event parameters for child object events |
| QClipboard | 访问窗口系统剪贴板 | Access to the window system clipboard |
| QCloseEvent | 描述关闭事件的参数 | Parameters that describe a close event |
| QColor | 基于RGB或HSV值的颜色 | Colors based on RGB or HSV values |
| QColorDialog | 指定颜色的对话窗口小部件 | Dialog widget for specifying colors |
| QColorDrag | 拖拽颜色转移对象 | Drag and drop object for transferring colors |
| QColorGroup | 小部件颜色组 | Group of widget colors |
| QComboBox | 组合按钮和弹出列表 | Combined button and popup list |
| QComboTableItem | QTables使用组合框的方法 | Means of using comboboxes in QTables |
| QCommonStyle | 封装GUI的常见外观和感觉 | Encapsulates the common Look and Feel of a GUI |
| QConstString | 使用常数Unicode数据的字符串对象 | String objects using constant Unicode data |
| QContextMenuEvent | 描述上下文菜单事件的参数 | Parameters that describe a context menu event |
| QCopChannel | 几个客户之间的通信能力 | Communication capabilities between several clients |
| QCursor | 任意形状的鼠标光标 | Mouse cursor with an arbitrary shape |
| QCustomEvent | 支持自定义事件 | Support for custom events |
| QCustomMenuItem | 在弹出菜单中自定义自定义菜单项的基类 | Abstract base class for custom menu items in popup menus |
| QDataBrowser | 数据录入窗体的数据操作和导航 | Data manipulation and navigation for data entry forms |
| QDataStream | 二进制数据到Qoo装置的串行化 | Serialization of binary data to a QIODevice |
| QDataTable | 支持浏览和编辑的灵活SQL表小部件 | Flexible SQL table widget that supports browsing and editing |
| QDataView | 只读SQL表单 | Read-only SQL forms |
| QDate | 日期函数 | Date functions |
| QDateEdit | 日期编辑器 | Date editor |
| QDateTime | 日期和时间函数 | Date and time functions |
| QDateTimeEdit | 将QDATEEDIT和QTimeEngEnter控件合并为编辑日期的单个窗口小部件 | Combines a QDateEdit and QTimeEdit widget into a single widget for editing datetimes |
| QDesktopWidget | 多头系统屏幕信息的获取 | Access to screen information on multi-head systems |
| QDial | 圆形范围控制（如速度计或电位器） | Rounded range control (like a speedometer or potentiometer) |
| QDialog | 对话框窗口的基类 | The base class of dialog windows |
| QDict | 基于QStand键提供字典的模板类 | Template class that provides a dictionary based on QString keys |
| QDictIterator | qdit集合的迭代器 | Iterator for QDict collections |
| QDir | 以平台无关的方式访问目录结构及其内容 | Access to directory structures and their contents in a platform-independent way |
| QDirectPainter | 直接访问视频硬件 | Direct access to the video hardware |
| QDns | 异步DNS查找 | Asynchronous DNS lookups |
| QDockArea | 管理和配置QDOKWindows | Manages and lays out QDockWindows |
| QDockWindow | 可以在QDOCKEATE中停靠或作为桌面上的顶级窗口浮动的小部件 | Widget which can be docked inside a QDockArea or floated as a top level window on the desktop |
| QDomAttr | 表示QDOME元素的一个属性。 | Represents one attribute of a QDomElement |
| QDomCDATASection | 表示XML cDATA节。 | Represents an XML CDATA section |
| QDomCharacterData | 表示DOM中的通用字符串。 | Represents a generic string in the DOM |
| QDomComment | 表示XML注释 | Represents an XML comment |
| QDomDocument | 表示XML文档 | Represents an XML document |
| QDomDocumentFragment | QDONTUNE的树，通常不是完整的QDOM文档 | Tree of QDomNodes which is not usually a complete QDomDocument |
| QDomDocumentType | 文档树中DTD的表示 | The representation of the DTD in the document tree |
| QDomElement | 表示DOM树中的一个元素 | Represents one element in the DOM tree |
| QDomEntity | 表示XML实体 | Represents an XML entity |
| QDomEntityReference | 表示XML实体引用。 | Represents an XML entity reference |
| QDomImplementation | DOM实现的特征信息 | Information about the features of the DOM implementation |
| QDomNamedNodeMap | 可以通过名称访问的节点的集合 | Collection of nodes that can be accessed by name |
| QDomNode | DOM树中所有节点的基类 | The base class for all the nodes in a DOM tree |
| QDomNodeList | QDomNode对象列表 | List of QDomNode objects |
| QDomNotation | 表示XML表示法。 | Represents an XML notation |
| QDomProcessingInstruction | 表示XML处理指令。 | Represents an XML processing instruction |
| QDomText | 表示解析的XML文档中的文本数据。 | Represents text data in the parsed XML document |
| QDoubleValidator | 浮点数的范围检验 | Range checking of floating-point numbers |
| QDragEnterEvent | 事件，当拖放首先拖动到控件上时，该事件被发送到控件。 | Event which is sent to the widget when a drag and drop first drags onto the widget |
| QDragLeaveEvent | 当拖放离开控件时发送到控件的事件 | Event which is sent to the widget when a drag and drop leaves the widget |
| QDragMoveEvent | 在拖放过程中发送的事件。 | Event which is sent while a drag and drop is in progress |
| QDragObject | 封装基于MIME的数据传输 | Encapsulates MIME-based data transfer |
| QDropEvent | 当拖放完成时发送的事件 | Event which is sent when a drag and drop is completed |
| QEditorFactory | 用于创建qFATA数据类型的编辑器小部件 | Used to create editor widgets for QVariant data types |
| QErrorMessage | 错误信息显示对话框 | Error message display dialog |
| QEucJpCodec | EUC-JP字符集的转换 | Conversion to and from EUC-JP character sets |
| QEucKrCodec | EK-KR字符集的转换 | Conversion to and from EUC-KR character sets |
| QEvent | 所有事件类的基类。事件对象包含事件参数 | The base class of all event classes. Event objects contain event parameters |
| QFile | 对文件进行操作的I/O设备 | I/O device that operates on files |
| QFileDialog | 允许用户选择文件或目录的对话框 | Dialogs that allow users to select files or directories |
| QFileIconProvider | 使用QFielDeCalax的图标 | Icons for QFileDialog to use |
| QFileInfo | 系统无关文件信息 | System-independent file information |
| QFilePreview | QFileDialog中的文件预览 | File previewing in QFileDialog |
| QFocusData | 维护焦点链中的小部件列表 | Maintains the list of widgets in the focus chain |
| QFocusEvent | 控件焦点事件的事件参数 | Event parameters for widget focus events |
| QFont | 用于绘制文本的字体 | Font used for drawing text |
| QFontDatabase | 有关底层窗口系统中可用字体的信息 | Information about the fonts available in the underlying window system |
| QFontDialog | 用于选择字体的对话框小部件 | Dialog widget for selecting a font |
| QFontInfo | 字体的一般信息 | General information about fonts |
| QFontManager | 实现Qt/Engt中的字体管理 | Implements font management in Qt/Embedded |
| QFontMetrics | 字体度量信息 | Font metrics information |
| QFrame | 可以有框架的小部件的基类 | The base class of widgets that can have a frame |
| QFtp | FTP协议的实现 | Implementation of the FTP protocol |
| QGL | Qt OpenGL模块中杂项标识符的命名空间 | Namespace for miscellaneous identifiers in the Qt OpenGL module |
| QGLColormap | 用于将自定义颜色映射安装到QGLIDWET中 | Used for installing custom colormaps into QGLWidgets |
| QGLContext | 封装OpenGL渲染上下文 | Encapsulates an OpenGL rendering context |
| QGLFormat | OpenGL渲染上下文的显示格式 | The display format of an OpenGL rendering context |
| QGLWidget | Widget for rendering OpenGL graphics | Widget for rendering OpenGL graphics |
| QGLayoutIterator | 抽象的内部布局迭代器基类 | Abstract base class of internal layout iterators |
| QGb18030Codec | 中国GB18030/GBK/GB23编码转换 | Conversion to and from the Chinese GB18030/GBK/GB2312 encoding |
| QGbkCodec | 中文GBK编码的转换与转换 | Conversion to and from the Chinese GBK encoding |
| QGrid | 儿童简易几何管理 | Simple geometry management of its children |
| QGridLayout | 在网格中设置小部件 | Lays out widgets in a grid |
| QGridView | 固定尺寸网格抽象库 | Abstract base for fixed-size grids |
| QGroupBox | 带标题的群箱框架 | Group box frame with a title |
| QGuardedPtr | 为QObjs提供保护指针的模板类 | Template class that provides guarded pointers to QObjects |
| QHBox | 子控件的水平几何管理 | Horizontal geometry management for its child widgets |
| QHBoxLayout | 水平排列小部件 | Lines up widgets horizontally |
| QHButtonGroup | 在一个水平行的组中组织QButt小部件 | Organizes QButton widgets in a group with one horizontal row |
| QHGroupBox | 在具有一个水平行的组中组织小部件 | Organizes widgets in a group with one horizontal row |
| QHeader | 标题行或列，例如表和列表视图 | Header row or column, e.g. for tables and listviews |
| QHebrewCodec | 视觉有序希伯来语的转换 | Conversion to and from visually ordered Hebrew |
| QHideEvent | 事件是在小部件被隐藏之后发送的 | Event which is sent after a widget is hidden |
| QHostAddress | IP地址 | IP address |
| QHttp | 互联网协议的执行 | Implementation of the HTTP protocol |
| QIMEvent | 输入法事件的参数 | Parameters for input method events |
| QIODevice | I/O设备的基类 | The base class of I/O devices |
| QIconDrag | 支持QCONVIEW中的拖放操作 | Supports drag and drop operations within a QIconView |
| QIconDragItem | 封装阻力项目 | Encapsulates a drag item |
| QIconSet | 不同风格和尺寸的图标集 | Set of icons with different styles and sizes |
| QIconView | 带可移动标记图标的区域 | Area with movable labelled icons |
| QIconViewItem | 单曲的一个主题 | Single item in a QIconView |
| QImage | 与像素数据直接存取的独立于硬件的PixMax表示 | Hardware-independent pixmap representation with direct access to the pixel data |
| QImageConsumer | QIMADEDECODER使用的抽象 | Abstraction used by QImageDecoder |
| QImageDecoder | 用于所有支持图像格式的增量图像解码器 | Incremental image decoder for all supported image formats |
| QImageDrag | 拖动图像传输对象 | Drag and drop object for transferring images |
| QImageFormat | 用于特定图像格式的增量图像解码器 | Incremental image decoder for a specific image format |
| QImageFormatPlugin | 自定义图像格式插件的抽象基础 | Abstract base for custom image format plugins |
| QImageFormatType | 制作QiFig格式对象的工厂 | Factory that makes QImageFormat objects |
| QImageIO | 加载和保存图像的参数 | Parameters for loading and saving images |
| QInputDialog | 简单方便对话框从用户获取单个值 | Simple convenience dialog to get a single value from the user |
| QIntCache | 基于长键提供缓存的模板类 | Template class that provides a cache based on long keys |
| QIntCacheIterator | 秦岭藏品 | Iterator for QIntCache collections |
| QIntDict | 基于长键提供字典的模板类 | Template class that provides a dictionary based on long keys |
| QIntDictIterator | 琴蒂系列 | Iterator for QIntDict collections |
| QIntValidator | 确保字符串在指定范围内包含有效整数的验证器 | Validator which ensures that a string contains a valid integer within a specified range |
| QJisCodec | JIS字符集的转换与转换 | Conversion to and from JIS character sets |
| QKeyEvent | 描述关键事件 | Describes a key event |
| QKeySequence | 封装加速器所使用的密钥序列 | Encapsulates a key sequence as used by accelerators |
| QLCDNumber | 显示一个带有LCD数字的数字 | Displays a number with LCD-like digits |
| QLabel | 文字或图像显示 | Text or image display |
| QLayout | 几何管理器的基类 | The base class of geometry managers |
| QLayoutItem | 一个Q布局的抽象项操作 | Abstract item that a QLayout manipulates |
| QLayoutIterator | Qlayoutitem之上的 | Iterators over QLayoutItem |
| QLibrary | 处理共享库的包装器 | Wrapper for handling shared libraries |
| QLineEdit | One-line text editor | One-line text editor |
| QListBox | 可选择只读项目列表 | List of selectable, read-only items |
| QListBoxItem | 所有列表框项的基类 | The base class of all list box items |
| QListBoxPixmap | 用PixMax和可选文本列出框项 | List box items with a pixmap and optional text |
| QListBoxText | 列出显示文本的框项 | List box items that display text |
| QListView | 实现列表/树视图 | Implements a list/tree view |
| QListViewItem | 实现列表视图项 | Implements a list view item |
| QListViewItemIterator | qListVIEW项集合的迭代器 | Iterator for collections of QListViewItems |
| QLocalFs | 在本地文件系统上工作的QNETWork协议的实现 | Implementation of a QNetworkProtocol that works on the local file system |
| QLock | 系统V共享信号量的包装器 | Wrapper for a System V shared semaphore |
| QMainWindow | 主应用程序窗口，带有菜单栏、停靠窗口（例如工具栏）和状态栏 | Main application window, with a menu bar, dock windows (e.g. for toolbars), and a status bar |
| QMap | 基于值的提供字典的模板类 | Value-based template class that provides a dictionary |
| QMapConstIterator | QMAP迭代器 | Iterator for QMap |
| QMapIterator | QMAP迭代器 | Iterator for QMap |
| QMemArray | 提供简单类型数组的模板类 | Template class that provides arrays of simple types |
| QMenuBar | 水平菜单栏 | Horizontal menu bar |
| QMenuData | QueNuBar和QPopupMenu的基类 | Base class for QMenuBar and QPopupMenu |
| QMessageBox | 模态对话框与短消息，图标，和一些按钮 | Modal dialog with a short message, an icon, and some buttons |
| QMetaObject | 关于QT对象的元信息 | Meta information about Qt objects |
| QMetaProperty | Stores meta data about a property | Stores meta data about a property |
| QMimeSource | 提供某种MIME类型的格式化数据的对象的抽象 | Abstraction of objects which provide formatted data of a certain MIME type |
| QMimeSourceFactory | MIME类型数据的可扩展提供程序 | Extensible provider of mime-typed data |
| QMotifPlusStyle | 更复杂的主题外观和感觉 | More sophisticated Motif-ish look and feel |
| QMotifStyle | 主题外观 | Motif look and feel |
| QMouseEvent | 描述鼠标事件的参数 | Parameters that describe a mouse event |
| QMoveEvent | 移动事件的事件参数 | Event parameters for move events |
| QMovie | 动画或图像的增量加载，随着其进程的信号传递 | Incremental loading of animations or images, signalling as it progresses |
| QMutex | 线程间的访问序列化 | Access serialization between threads |
| QNPInstance | QObjt是一个Web浏览器插件 | QObject that is a Web-browser plugin |
| QNPStream | 浏览器提供给QNPNase实例的数据流 | Stream of data provided to a QNPInstance by the browser |
| QNPWidget | QWIDGET，这是一个Web浏览器插件窗口 | QWidget that is a Web-browser plugin window |
| QNPlugin | 插件中心工厂 | The plugin central factory |
| QNetworkOperation | 网络协议的通用操作 | Common operations for network protocols |
| QNetworkProtocol | 网络协议通用API | Common API for network protocols |
| QObject | 所有QT对象的基类 | The base class of all Qt objects |
| QObjectCleanupHandler | 监视多个QObjices的生存期 | Watches the lifetime of multiple QObjects |
| QObjectList | Q对象的QPTRLIST | QPtrList of QObjects |
| QObjectListIt | qObjtRealts的迭代器 | Iterator for QObjectLists |
| QPNGImagePacker | 创建良好压缩的PNG动画 | Creates well-compressed PNG animations |
| QPaintDevice | 可以画的对象的基类 | The base class of objects that can be painted |
| QPaintDeviceMetrics | 关于油漆装置的信息 | Information about a paint device |
| QPaintEvent | 绘制事件的事件参数 | Event parameters for paint events |
| QPainter | 低级绘画吗？ | Does low-level painting e.g. on widgets |
| QPair | 基于值的模板类，它提供一对元素 | Value-based template class that provides a pair of elements |
| QPalette | 每个小部件状态的颜色组 | Color groups for each widget state |
| QPen | 定义q画家如何绘制线条和形状轮廓 | Defines how a QPainter should draw lines and outlines of shapes |
| QPicture | 记录和重放QPrice命令的绘图设备 | Paint device that records and replays QPainter commands |
| QPixmap | 基于屏幕的基于像素的油漆装置 | Off-screen, pixel-based paint device |
| QPixmapCache | 应用全局缓存的PIXMAP | Application-global cache for pixmaps |
| QPlatinumStyle | MAC /铂金外观 | Mac/Platinum look and feel |
| QPoint | 定义平面中的一个点 | Defines a point in the plane |
| QPointArray | 点数组 | Array of points |
| QPopupMenu | 弹出菜单控件 | Popup menu widget |
| QPrinter | 在打印机上喷漆的油漆装置 | Paint device that paints on a printer |
| QProcess | 用于启动外部程序并与它们通信 | Used to start external programs and to communicate with them |
| QProgressBar | 水平进度条 | Horizontal progress bar |
| QProgressDialog | 慢操作进展反馈 | Feedback on the progress of a slow operation |
| QPtrCollection | 基于指针的QT集合的基类 | The base class of most pointer-based Qt collections |
| QPtrDict | 基于空隙*键提供字典的模板类 | Template class that provides a dictionary based on void* keys |
| QPtrDictIterator | Iterator for QPTRDICT collections | Iterator for QPtrDict collections |
| QPtrList | 提供双链表的模板类 | Template class that provides doubly-linked lists |
| QPtrListIterator | QPTRIST集合的迭代器 | Iterator for QPtrList collections |
| QPtrQueue | 提供队列的模板类 | Template class that provides a queue |
| QPtrStack | 提供堆栈的模板类 | Template class that provides a stack |
| QPtrVector | 提供向量（数组）的模板集合类 | Template collection class that provides a vector (array) |
| QPushButton | 命令按钮 | Command button |
| QRadioButton | 带有文本或PIMAP标签的单选按钮 | Radio button with a text or pixmap label |
| QRangeControl | 范围内的整数值 | Integer value within a range |
| QRect | 在平面中定义矩形 | Defines a rectangle in the plane |
| QRegExp | 正则表达式的模式匹配 | Pattern matching using regular expressions |
| QRegExpValidator | 用于检查字符串正则表达式 | Used to check a string against aregular expression |
| QRegion | 画家的剪辑区域 | Clip region for a painter |
| QResizeEvent | 调整大小事件的事件参数 | Event parameters for resize events |
| QSGIStyle | SGI/IIX外观与感觉 | SGI/Irix look and feel |
| QScreen | 它的后代管理框架缓冲区和调色板。 | And its descendants manage the framebuffer and palette |
| QScrollBar | 垂直或水平滚动条 | Vertical or horizontal scroll bar |
| QScrollView | 按需滚动条滚动区域 | Scrolling area with on-demand scroll bars |
| QSemaphore | 稳健整数信号量 | Robust integer semaphore |
| QServerSocket | 基于TCP的服务器 | TCP-based server |
| QSessionManager | 访问会话管理器 | Access to the session manager |
| QSettings | 持久平台无关应用程序设置 | Persistent platform-independent application settings |
| QShowEvent | 显示小部件时发送的事件 | Event which is sent when a widget is shown |
| QSignal | 可以用于为不继承QObjt的类发送信号。 | Can be used to send signals for classes that don't inherit QObject |
| QSignalMapper | Bundles signals from identifiable senders | Bundles signals from identifiable senders |
| QSimpleRichText | 可显示的小文本 | Small displayable piece of rich text |
| QSize | 定义二维对象的大小 | Defines the size of a two-dimensional object |
| QSizeGrip | 用于调整顶层窗口大小的角柄 | Corner-grip for resizing a top-level window |
| QSizePolicy | 描述水平和垂直调整大小策略的布局属性 | Layout attribute describing horizontal and vertical resizing policy |
| QSjisCodec | 转换到JIS的转换 | Conversion to and from Shift-JIS |
| QSlider | 垂直或水平滑块 | Vertical or horizontal slider |
| QSocket | 缓冲TCP连接 | Buffered TCP connection |
| QSocketDevice | 与平台无关的低级套接字API | Platform-independent low-level socket API |
| QSocketNotifier | 支持套接字回调 | Support for socket callbacks |
| QSound | 平台音频设备的接入 | Access to the platform audio facilities |
| QSpacerItem | 布局中的空白 | Blank space in a layout |
| QSpinBox | Spin box widget (spin button) | Spin box widget (spin button) |
| QSplitter | 实现拆分器控件 | Implements a splitter widget |
| QSql | 需要全局性的QT-SQL标识符的命名空间 | Namespace for Qt SQL identifiers that need to be global-like |
| QSqlCursor | 浏览和编辑SQL表和视图 | Browsing and editing of SQL tables and views |
| QSqlDatabase | 用于创建SQL数据库连接并提供事务处理 | Used to create SQL database connections and provide transaction handling |
| QSqlDriver | 用于访问SQL数据库的抽象基类 | Abstract base class for accessing SQL databases |
| QSqlDriverPlugin | 自定义QSql驱动程序插件的抽象基础 | Abstract base for custom QSqlDriver plugins |
| QSqlEditorFactory | 用于创建QDATABLE和QSqlForm所使用的编辑器 | Used to create the editors used by QDataTable and QSqlForm |
| QSqlError | SQL数据库错误信息 | SQL database error information |
| QSqlField | 操作SQL数据库表和视图中的字段 | Manipulates the fields in SQL database tables and views |
| QSqlFieldInfo | 存储与SQL字段相关联的元数据 | Stores meta data associated with a SQL field |
| QSqlForm | 创建和管理绑定到SQL数据库的数据输入窗体 | Creates and manages data entry forms tied to SQL databases |
| QSqlIndex | 操作和描述QSql游标和QSqlDatabase索引的函数 | Functions to manipulate and describe QSqlCursor and QSqlDatabase indexes |
| QSqlPropertyMap | 用于将窗口小部件映射到SQL字段 | Used to map widgets to SQL fields |
| QSqlQuery | 执行和操作SQL语句的方法 | Means of executing and manipulating SQL statements |
| QSqlRecord | 封装数据库记录，即一组数据库字段。 | Encapsulates a database record, i.e. a set of database fields |
| QSqlRecordInfo | 封装一组数据库字段元数据 | Encapsulates a set of database field meta data |
| QSqlResult | 从SQL数据库访问数据的抽象接口 | Abstract interface for accessing data from SQL databases |
| QStatusBar | 适用于显示状态信息的横杆 | Horizontal bar suitable for presenting status information |
| QStoredDrag | 任意MIME数据的简单存储值拖动对象 | Simple stored-value drag object for arbitrary MIME data |
| QStrIList | 与不区分大小写比较的CHAR*双链表 | Doubly-linked list of char* with case-insensitive comparison |
| QStrList | 字符的双链表 | Doubly-linked list of char* |
| QStrListIterator | QSTRIST和QSTRILIST类的迭代器 | Iterator for the QStrList and QStrIList classes |
| QString | Unicode文本和经典C空终止字符数组的抽象 | Abstraction of Unicode text and the classic C null-terminated char array |
| QStringList | 字符串表 | List of strings |
| QStyle | GUI的外观和感觉 | The look and feel of a GUI |
| QStyleFactory | 创建qStar对象 | Creates QStyle objects |
| QStyleOption | qStle函数的可选参数 | Optional parameters for QStyle functions |
| QStylePlugin | 自定义QSLUE插件抽象库 | Abstract base for custom QStyle plugins |
| QStyleSheet | 用于丰富文本渲染的样式集合和标签生成器 | Collection of styles for rich text rendering and a generator of tags |
| QStyleSheetItem | 一组文本样式的封装 | Encapsulation of a set of text styles |
| QTab | QTabar中的结构 | The structures in a QTabBar |
| QTabBar | 标签栏，例如在标签对话框中使用 | Tab bar, e.g. for use in tabbed dialogs |
| QTabDialog | 选项卡小部件的堆栈 | Stack of tabbed widgets |
| QTabWidget | 选项卡小部件的堆栈 | Stack of tabbed widgets |
| QTable | 灵活可编辑表控件 | Flexible editable table widget |
| QTableItem | QTABLE细胞的细胞含量 | The cell content for QTable cells |
| QTableSelection | 在QTABLE中访问选定区域 | Access to a selected area in a QTable |
| QTabletEvent | 描述平板事件的参数 | Parameters that describe a Tablet event |
| QTextBrowser | 具有超文本导航的富文本浏览器 | Rich text browser with hypertext navigation |
| QTextCodec | 文本编码之间的转换 | Conversion between text encodings |
| QTextCodecPlugin | 自定义QTraceCDEC插件抽象库 | Abstract base for custom QTextCodec plugins |
| QTextDecoder | 状态译码器 | State-based decoder |
| QTextDrag | 拖动对象以传递普通和Unicode文本 | Drag and drop object for transferring plain and Unicode text |
| QTextEdit | 强大的单页富文本编辑器 | Powerful single-page rich text editor |
| QTextEncoder | 状态编码器 | State-based encoder |
| QTextIStream | 输入流的便利类 | Convenience class for input streams |
| QTextOStream | 输出流的便利类 | Convenience class for output streams |
| QTextStream | 使用Qoo装置阅读和书写文本的基本功能 | Basic functions for reading and writing text using a QIODevice |
| QThread | 独立于平台的线程 | Platform-independent threads |
| QTime | 时钟时间函数 | Clock time functions |
| QTimeEdit | 时间编辑器 | Time editor |
| QTimer | 计时器信号和单炮计时器 | Timer signals and single-shot timers |
| QTimerEvent | 描述定时器事件的参数 | Parameters that describe a timer event |
| QToolBar | 包含工具按钮等小部件的活动面板 | Movable panel containing widgets such as tool buttons |
| QToolButton | 命令或选项的快速访问按钮，通常用于QTooBar中 | Quick-access button to commands or options, usually used inside a QToolBar |
| QToolTip | 小工具的任何小部件或矩形部分的工具提示（气球帮助） | Tool tips (balloon help) for any widget or rectangular part of a widget |
| QToolTipGroup | 将工具提示收集到相关组中 | Collects tool tips into related groups |
| QTranslator | 国际化支持文本输出 | Internationalizationsupport for text output |
| QTranslatorMessage | 翻译器消息及其性质 | Translator message and its properties |
| QTsciiCodec | TAMIL TSCII编码的转换与转换 | Conversion to and from the Tamil TSCII encoding |
| QUriDrag | 拖动对象以获取URI引用的列表 | Drag object for a list of URI references |
| QUrl | URL解析器，简化了URL的工作 | URL parser and simplifies working with URLs |
| QUrlInfo | Stores information about URLs | Stores information about URLs |
| QUrlOperator | URL的通用操作 | Common operations on URLs |
| QVBox | 子控件的垂直几何管理 | Vertical geometry management of its child widgets |
| QVBoxLayout | 垂直排列小部件 | Lines up widgets vertically |
| QVButtonGroup | 在垂直列中组织QButt小部件 | Organizes QButton widgets in a vertical column |
| QVGroupBox | 在垂直列中组织一组小部件 | Organizes a group of widgets in a vertical column |
| QValidator | 输入文本的验证 | Validation of input text |
| QValueList | 提供双链表的基于值的模板类 | Value-based template class that provides doubly linked lists |
| QValueListConstIterator | QValeleListconst迭代器 | Const iterator for QValueList |
| QValueListIterator | qValeleListIt的迭代器 | Iterator for QValueList |
| QValueStack | 提供堆栈的基于值的模板类 | Value-based template class that provides a stack |
| QValueVector | 提供动态数组的基于值的模板类 | Value-based template class that provides a dynamic array |
| QVariant | 就像最常见的QT数据类型的联合 | Acts like a union for the most common Qt data types |
| QWMatrix | 坐标系的二维变换 | 2D transformations of a coordinate system |
| QWSDecoration | 允许定制Qt/Ent+窗口管理器的外观 | Allows the appearance of the Qt/Embedded Window Manager to be customized |
| QWSKeyboardHandler | 实现Qt/Engt的键盘驱动程序/处理器 | Implements the keyboard driver/handler for Qt/Embedded |
| QWSMouseHandler | QT/嵌入式鼠标驱动程序/处理程序 | Mouse driver/handler for Qt/Embedded |
| QWSServer | Qt/Engin中的服务器特定功能 | Server-specific functionality in Qt/Embedded |
| QWSWindow | Qt/Engin中的服务器特定功能 | Server-specific functionality in Qt/Embedded |
| QWaitCondition | 允许等待/唤醒线程间的条件 | Allows waiting/waking for conditions between threads |
| QWhatsThis | 简单描述任何小部件，即回答“这是什么？” | Simple description of any widget, i.e. answering the question "What's this?" |
| QWheelEvent | 描述车轮事件的参数 | Parameters that describe a wheel event |
| QWidget | 所有用户界面对象的基类 | The base class of all user interface objects |
| QWidgetFactory | 从Qt设计器.UI文件中动态创建小部件 | For the dynamic creation of widgets from Qt Designer .ui files |
| QWidgetItem | 表示小部件的布局项目 | Layout item that represents a widget |
| QWidgetPlugin | 自定义QWIDGET插件的抽象基础 | Abstract base for custom QWidget plugins |
| QWidgetStack | 只显示顶部控件的小部件堆栈是用户可见的 | Stack of widgets of which only the top widget is user-visible |
| QWindowsMime | 将标准MIME打开到窗口剪贴板格式 | Maps open-standard MIME to Window Clipboard formats |
| QWindowsStyle | 微软视窗 | Microsoft Windows-like look and feel |
| QWizard | 向导对话框框架 | Framework for wizard dialogs |
| QWorkspace | Workspace window that can contain decorated windows, e.g. for MDI | Workspace window that can contain decorated windows, e.g. for MDI |
| QXmlAttributes | XML属性 | XML attributes |
| QXmlContentHandler | 接口以报告XML数据的逻辑内容 | Interface to report the logical content of XML data |
| QXmlDTDHandler | 报告XML数据DTD内容的接口 | Interface to report DTD content of XML data |
| QXmlDeclHandler | XML数据报表声明内容接口 | Interface to report declaration content of XML data |
| QXmlDefaultHandler | 所有XML处理程序类的默认实现 | Default implementation of all XML handler classes |
| QXmlEntityResolver | 接口解决XML数据中包含的外部实体 | Interface to resolve external entities contained in XML data |
| QXmlErrorHandler | 在XML数据中报告错误的接口 | Interface to report errors in XML data |
| QXmlInputSource | QXMLRead子类的输入数据 | The input data for the QXmlReader subclasses |
| QXmlLexicalHandler | XML数据的词汇内容报告接口 | Interface to report the lexical content of XML data |
| QXmlLocator | 具有文件内解析位置信息的XML处理程序类 | The XML handler classes with information about the parsing position within a file |
| QXmlNamespaceSupport | 希望包含命名空间支持的XML读取器的帮助类 | Helper class for XML readers which want to include namespace support |
| QXmlParseException | 用于用QXmlErrorHandler接口报告错误 | Used to report errors with the QXmlErrorHandler interface |
| QXmlReader | XML阅读器的接口（即解析器） | Interface for XML readers (i.e. parsers) |
| QXmlSimpleReader | 一个简单的XML阅读器（解析器）的实现 | Implementation of a simple XML reader (parser) |
| QXtApplication | 促进XT/MyTf和QT小部件的混合 | Facilitates the mixing of Xt/Motif and Qt widgets |
| QXtWidget | 允许XT/MyTf和QT小部件的混合 | Allows mixing of Xt/Motif and Qt widgets |
| Qt | 需要全局性的杂项标识符的命名空间 | Namespace for miscellaneous identifiers that need to be global-like |