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class:: HelpBrowser
categories:: HelpSystem, GUI>Interfaces
related:: Classes/SCDoc
summary:: Browse the SuperCollider help documentation
description::
HelpBrowser is a GUI help browser that lets you browse the documentation of SuperCollider. It is coupled with SCDoc to allow on-the-fly rendering of HTML help files.
There are two different help browsers in SuperCollider: the help browser built into SCIDE, and this HelpBrowser class implemented with sclang's GUI features. Both are implemented with the same underlying Qt WebEngine browser.
Since the Qt WebEngine dependency is hefty and difficult to install on some systems, it is possible for sclang to have been built without WebView support (using the CMake flag code:: -DSC_USE_QTWEBENGINE=OFF :: at compile). If so, attempting to invoke this class will throw an error.
classmethods::
private:: getOldWrapUrl, initClass
method:: instance
The singleton HelpBrowser instance.
method:: new
Create a new HelpBrowser instance with given home URL.
method:: defaultHomeUrl
Get or set the default home URL.
method:: openNewWindows
Get or set the default for "open in new windows" toggle.
method:: goTo
Go to url with singleton instance or a new window, depending on the code::openNewWindows:: setting.
method:: openHelpFor
Open the relevant help page for given text in the singleton HelpBrowser instance.
method:: openSearchPage
Open the help search page with given text in the singleton HelpBrowser instance.
method:: openBrowsePage
Open the category browser page in the singleton HelpBrowser instance.
argument:: category
An optional String to start at specified category, like "UGens>Filters"
method:: openHelpForMethod
Open help for specified method.
argument:: method
a link::Classes/Method::
instancemethods::
private:: init, openTextFile, startAnim, stopAnim
method:: homeUrl
Get or set the home URL.
method:: window
The GUI window for this HelpBrowser.
discussion::
Mainly useful for when you need to show the browser:
code::
HelpBrowser.instance.window.front;
::
method:: goTo
Go to specific URL. If the URL points to a file under link::Classes/SCDoc#*helpTargetDir:: it will be rendered on demand if needed.
method:: goHome
Go to the home URL.
method:: goBack
Go back.
method:: goForward
Go forward.
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