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/*
Copyright (C) 2015 The Qt Company Ltd.
Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
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.
*/
// The documentation in this file was imported from QtWebKit and is thus constrained
// by its LGPL license. Documentation written from scratch for new methods should be
// placed inline in the code as usual.
/*!
\fn static QWebEngineSettings *QWebEngineSettings::globalSettings()
Returns the global settings object.
Any setting changed on the default object is automatically applied to all
QWebEnginePage instances where the particular setting is not overridden already.
\sa defaultSettings()
*/
/*!
\class QWebEngineSettings
\since 5.4
\brief The QWebEngineSettings class provides an object to store the settings used
by QWebEnginePage.
\inmodule QtWebEngineWidgets
Each QWebEnginePage object has its own QWebEngineSettings object, which configures the
settings for that page. If a setting is not configured, then it is looked
up in the global settings object, which can be accessed using
globalSettings().
QWebEngineSettings allows configuration of browser properties, such as font sizes and
families, the location of a custom style sheet, and generic attributes, such as JavaScript
support. Individual attributes are set using the setAttribute() function. The
\l{QWebEngineSettings::WebAttribute}{WebAttribute} enum further describes each attribute.
\sa QWebEnginePage::settings(), QWebEngineView::settings()
*/
/*!
\enum QWebEngineSettings::FontFamily
This enum describes the generic font families defined by CSS 2.
For more information see the
\l{http://www.w3.org/TR/REC-CSS2/fonts.html#generic-font-families}{CSS standard}.
\value StandardFont
\value FixedFont
\value SerifFont
\value SansSerifFont
\value CursiveFont
\value FantasyFont
\value PictographFont
(added in Qt 5.7)
*/
/*!
\enum QWebEngineSettings::FontSize
This enum describes the font sizes configurable through QWebEngineSettings:
\value MinimumFontSize The hard minimum font size.
\value MinimumLogicalFontSize The minimum logical font size that is applied
when zooming out.
\value DefaultFontSize The default font size for regular text.
\value DefaultFixedFontSize The default font size for fixed-pitch text.
*/
/*!
\enum QWebEngineSettings::WebAttribute
This enum type specifies settings for web pages:
\value AutoLoadImages
Automatically loads images on web pages. Enabled by default.
\value JavascriptEnabled
Enables the running of JavaScript programs. Enabled by default.
\value JavascriptCanOpenWindows
Allows JavaScript programs to open new windows. Enabled by default.
\value JavascriptCanAccessClipboard
Allows JavaScript programs to read from and write to the clipboard. Disabled by
default.
\value LinksIncludedInFocusChain
Includes hyperlinks in the keyboard focus chain. Enabled by default.
\value LocalStorageEnabled
Enables support for the HTML 5 local storage feature. Enabled by default.
\value LocalContentCanAccessRemoteUrls
Allows locally loaded documents to ignore cross-origin rules so that they can access
remote resources that would normally be blocked, because all remote resources are
considered cross-origin for a local file. Remote access that would not be blocked by
cross-origin rules is still possible when this setting is disabled (default).
Note that disabling this setting does not stop XMLHttpRequests or media elements in
local files from accessing remote content. Basically, it only stops some HTML
subresources, such as scripts, and therefore disabling this setting is not a safety
mechanism.
\value XSSAuditingEnabled
Monitors load requests for cross-site scripting attempts. Suspicious scripts are blocked
and reported in the inspector's JavaScript console. Disabled by default, because it
might negatively affect performance.
\value SpatialNavigationEnabled
Enables the Spatial Navigation feature, which means the ability to navigate between
focusable elements, such as hyperlinks and form controls, on a web page by using the
Left, Right, Up and Down arrow keys. For example, if a user presses the
Right key, heuristics determine whether there is an element they might be
trying to reach towards the right and which element they probably want.
Disabled by default.
\value LocalContentCanAccessFileUrls
Allows locally loaded documents to access other local URLs. Enabled by default.
\value HyperlinkAuditingEnabled
Enables support for the \c ping attribute for hyperlinks. Disabled by default.
\value ScrollAnimatorEnabled
Enables animated scrolling. Disabled by default.
\value ErrorPageEnabled
Enables displaying the built-in error pages of Chromium. Enabled by default.
\value PluginsEnabled
Enables support for Pepper plugins, such as the Flash player. Disabled by default.
\value FullScreenSupportEnabled
Enables fullscreen support in an application. Disabled by default.
\value ScreenCaptureEnabled
Enables screen capture in an application. Disabled by default. (Added in Qt 5.7)
\value WebGLEnabled
Enables support for HTML 5 WebGL. Enabled by default if available. (Added in Qt 5.7)
\value WebAudioEnabled
Enables support for HTML 5 WebAudio. Disabled by default. (Added in Qt 5.7)
\value Accelerated2dCanvasEnabled
Specifies whether the HTML5 2D canvas should be a OpenGL framebuffer.
This makes many painting operations faster, but slows down pixel access. Enabled by default if available. (Added in Qt 5.7)
\value AutoLoadIconsForPage
Automatically downloads icons for web pages. Enabled by default. (Added in Qt 5.7)
\value TouchIconsEnabled
Enables support for touch icons and precomposed touch icons
Disabled by default. (Added in Qt 5.7)
*/
/*!
\fn void QWebEngineSettings::setFontSize(FontSize type, int size)
Sets the font size for \a type to \a size.
*/
/*!
\fn int QWebEngineSettings::fontSize(FontSize type) const
Returns the default font size for \a type.
*/
/*!
\fn void QWebEngineSettings::resetFontSize(FontSize type)
Resets the font size for \a type to the size specified in the global
settings object.
This function has no effect on the global QWebEngineSettings instance.
*/
/*!
\fn void QWebEngineSettings::setDefaultTextEncoding(const QString& encoding)
Specifies the default text encoding system.
The value of \a encoding must be a string describing an encoding such as "utf-8" or
"iso-8859-1". If left empty, a default value will be used. For a more
extensive list of encoding names see \l{QTextCodec}.
\sa defaultTextEncoding()
*/
/*!
\fn QString QWebEngineSettings::defaultTextEncoding() const
Returns the default text encoding.
\sa setDefaultTextEncoding()
*/
/*!
\fn void QWebEngineSettings::setFontFamily(FontFamily which, const QString& family)
Sets the actual font family to \a family for the specified generic family,
\a which.
*/
/*!
\fn QString QWebEngineSettings::fontFamily(FontFamily which) const
Returns the actual font family for the specified generic font family,
\a which.
*/
/*!
\fn void QWebEngineSettings::resetFontFamily(FontFamily which)
Resets the actual font family specified by \a which to the one set
in the global QWebEngineSettings instance.
This function has no effect on the global QWebEngineSettings instance.
*/
/*!
\fn void QWebEngineSettings::setAttribute(WebAttribute attribute, bool on)
Enables or disables the specified \a attribute feature depending on the
value of \a on.
*/
/*!
\fn bool QWebEngineSettings::testAttribute(WebAttribute attribute) const
Returns \c true if \a attribute is enabled; otherwise returns \c false.
*/
/*!
\fn void QWebEngineSettings::resetAttribute(WebAttribute attribute)
Resets the setting of \a attribute to the value specified in the
global QWebEngineSettings instance.
This function has no effect on the global QWebEngineSettings instance.
\sa globalSettings()
*/
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