QGenericPlugin Class

The QGenericPlugin class is an abstract base class for window-system related plugins in Qt QPA. 更多...

頭：	#include <QGenericPlugin>
Since:	Qt 4.8
繼承：	QObject

所有成員列錶，包括繼承成員

公共函數

	QGenericPlugin (QObject * parent = 0)
	~QGenericPlugin ()

重實現公共函數

virtual QObject *	create (const QString & key , const QString & specification ) = 0
virtual QStringList	keys () const = 0

29 公共函數繼承自 QObject

額外繼承成員

1 特性繼承自 QObject
1 公共槽繼承自 QObject
1 信號繼承自 QObject
7 靜態公共成員繼承自 QObject
8 保護函數繼承自 QObject

詳細描述

The QGenericPlugin class is an abstract base class for window-system related plugins in Qt QPA.

Note that this class is only available in Qt QPA.

A mouse plugin can be created by subclassing QGenericPlugin and reimplementing the pure virtual keys () 和 create () functions. By exporting the derived class using the Q_EXPORT_PLUGIN2 () macro, The default implementation of the QGenericPluginFactory class will automatically detect the plugin and load the driver into the server application at run-time. See 如何創建 Qt 插件瞭解細節。

另請參閱 QGenericPluginFactory .

成員函數文檔編製

QGenericPlugin:: QGenericPlugin ( QObject * parent = 0)

Constructs a plugin with the given parent .

Note that this constructor is invoked automatically by the Q_EXPORT_PLUGIN2 () macro, so there is no need for calling it explicitly.

QGenericPlugin:: ~QGenericPlugin ()

Destroys the plugin.

Note that Qt destroys a plugin automatically when it is no longer used, so there is no need for calling the destructor explicitly.

`[pure virtual]` QObject * QGenericPlugin:: create (const QString & key , const QString & specification )

Implement this function to create a driver matching the type specified by the given key and specification parameters. Note that keys are case-insensitive.

另請參閱 keys ().

`[pure virtual]` QStringList QGenericPlugin:: keys () const

Implement this function to return the list of valid keys, i.e. the drivers supported by this plugin.

另請參閱 create ().

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