WebKit in Qt
The QtWebKit module provides a web browser engine as well as classes to render and interact with web content. More...
Allows Web content to be added to a GraphicsView
Convenient access to DOM elements in a QWebFrame
Represents a collection of web elements
Represents a frame in a web page
Represents the history of a QWebPage
Interface to implement link history
Represents one item in the history of a QWebPage
Information about the web page content after a hit test
Allows the placement and control of a QWebPage's inspector. The inspector can display a page's hierarchy, its loading statistics and the current state of its individual elements. It is mostly used by web developers
Object to view and edit web documents
Used to embed custom data types in web pages
Defines a security boundary for web sites
Object to store the settings used by QWebPage and QWebFrame
Widget that is used to view and edit web documents
QtWebKit provides a Web browser engine that makes it easy to embed content from the World Wide Web into your Qt application. At the same time Web content can be enhanced with native controls.
In addition to providing pure rendering features, HTML documents can be made fully editable to the user through the use of the contenteditable attribute on HTML elements.
QtWebKit has been enhanced to become more attractive on the mobile front as well. For more information see QtWebKit Goes Mobile.
QtWebKit is based on the Open Source WebKit engine. More information about WebKit itself can be found on the WebKit Open Source Project Web site.
Including In Your Project
To include the definitions of the module's classes, use the following directive:
To link against the module, add this line to your qmake .pro file:
QT += webkit
Note: Building the QtWebKit module with debugging symbols is problematic on many platforms due to the size of the WebKit engine. We recommend building the module only in release mode for embedded platforms. Currently QtWebKit will always be compiled without debugging symbols when using gcc. Take a look at the last lines of src/3rdparty/webkit/Source/WebCore/WebCore.pro if you need to change this.
Note: Web site icons, also known as "FavIcons", are currently not supported on Windows. We plan to address this in a future release.
Note: WebKit has certain minimum requirements that must be met on Embedded Linux systems. See the Qt for Embedded Linux Requirements document for more information.
The easiest way to render content is through the QWebView class. As a widget it can be embedded into your forms or a graphics view, and it provides convenience functions for downloading and rendering web sites.
QWebView is used to view Web pages. An instance of QWebView has one QWebPage. QWebPage provides access to the document structure in a page, describing features such as frames, the navigation history, and the undo/redo stack for editable content.
Common web browser features, defaults and other settings can be configured through the QWebSettings class. It is possible to provide defaults for all QWebPage instances through the default settings. Individual attributes can be overidden by the page specific settings object.
Netscape Plugin Support
Note: Netscape plugin support is only available on desktop platforms.
Since WebKit supports the Netscape Plugin API, Qt applications can display Web pages that embed common plugins on platforms for which those plugins are available. To enable plugin support, the user must have the appropriate binary files for those plugins installed and the QWebSettings::PluginsEnabled attribute must be enabled for the application.
The following locations are searched for plugins:
|Mac OS X|
This is a snapshot of the Qt port of WebKit. The exact version information can be found in the src/3rdparty/webkit/VERSION file supplied with Qt.
Qt Commercial Edition licensees that wish to distribute applications that use the QtWebKit module need to be aware of their obligations under the GNU Library General Public License (LGPL).
Developers using the Open Source Edition can choose to redistribute the module under the appropriate version of the GNU LGPL.
WebKit is licensed under the GNU Library General Public License. Individual contributor names and copyright dates can be found inline in the code.
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.