The Qt3Support 模块提供易于从 Qt 3 移植到 Qt 4 的类。 更多...
| Q3Canvas | 2D area that can contain Q3CanvasItem objects |
| Q3CanvasEllipse | Ellipse or ellipse segment on a Q3Canvas |
| Q3CanvasItem | Abstract graphic object on a Q3Canvas |
| Q3CanvasItemList | Q3CanvasItems 列表 |
| Q3CanvasLine | Line on a Q3Canvas |
| Q3CanvasPixmap | Pixmaps for Q3CanvasSprites |
| Q3CanvasPixmapArray | Array of Q3CanvasPixmaps |
| Q3CanvasPolygon | Polygon on a Q3Canvas |
| Q3CanvasPolygonalItem | Polygonal canvas item on a Q3Canvas |
| Q3CanvasRectangle | Rectangle on a Q3Canvas |
| Q3CanvasSpline | Multi-bezier splines on a Q3Canvas |
| Q3CanvasSprite | Animated canvas item on a Q3Canvas |
| Q3CanvasText | Text object on a Q3Canvas |
| Q3CanvasView | On-screen view of a Q3Canvas |
| Q3CheckTableItem | Checkboxes in Q3Tables |
| Q3ComboTableItem | Means of using comboboxes in Q3Tables |
| Q3DataBrowser | Data manipulation and navigation for data entry forms |
| Q3DataTable | Flexible SQL table widget that supports browsing and editing |
| Q3DataView | Read-only SQL forms |
| Q3Dns | Asynchronous DNS lookups |
| Q3Dns::MailServer | Q3Dns::MailServer class is described in Q3Dns::mailServers() |
| Q3Dns::Server | Q3Dns::Server class is described in Q3Dns::servers() |
| Q3EditorFactory | Used to create editor widgets for QVariant data types |
| Q3Ftp | Implementation of the FTP protocol |
| Q3Http | Implementation of the HTTP protocol |
| Q3HttpHeader | Contains header information for HTTP |
| Q3HttpRequestHeader | Contains request header information for HTTP |
| Q3HttpResponseHeader | Contains response header information for HTTP |
| Q3ServerSocket | 基于 TCP 的服务器 |
| Q3Socket | Buffered TCP connection |
| Q3SocketDevice | Platform-independent low-level socket API |
| Q3SqlCursor | Browsing and editing of SQL tables and views |
| Q3SqlEditorFactory | Used to create the editors used by Q3DataTable and Q3SqlForm |
| Q3SqlFieldInfo | Stores meta data associated with a SQL field |
| Q3SqlForm | Creates and manages data entry forms tied to SQL databases |
| Q3SqlPropertyMap | Used to map widgets to SQL fields |
| Q3SqlRecordInfo | Encapsulates a set of database field meta data |
| Q3SqlSelectCursor | Browsing of general SQL SELECT statements |
| Q3Table | Flexible editable table widget |
| Q3Table::TableWidget | |
| Q3TableItem | The cell content for Q3Table cells |
| Q3TableSelection | Access to a selected area in a Q3Table |
警告： The classes in this module are intended to be used in intermediate stages of a porting process and are not intended to be used in production code.
要包括模块类定义，使用以下指令：
#include <Qt3Support>
要链接到模块，添加此行到
qmake
.pro
文件：
QT += qt3support
注意： Since this module provides compatibility classes for diverse parts of the Qt 3 API, it has dependencies on the QtCore , QtGui , QtNetwork , QtSql ，和 QtXml 模块。
另请参阅 Porting to Qt 4 .