Documentation/Source/eric5.Helpviewer.HelpTabWidget.html

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<h1>eric5.Helpviewer.HelpTabWidget</h1>
<p>
Module implementing the central widget showing the web pages.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#HelpTabWidget">HelpTabWidget</a></td>
<td>Class implementing the central widget showing the web pages.</td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr><td>None</td></tr>
</table>
<hr /><hr />
<a NAME="HelpTabWidget" ID="HelpTabWidget"></a>
<h2>HelpTabWidget</h2>
<p>
    Class implementing the central widget showing the web pages.
</p><h3>Signals</h3>
<dl>
<dt>browserClosed(QWidget)</dt>
<dd>
emitted after a browser was closed
</dd><dt>showMessage(str)</dt>
<dd>
emitted to show a message in the main window status bar
</dd><dt>sourceChanged(HelpBrowser, QUrl)</dt>
<dd>
emitted after the URL of a browser
            has changed
</dd><dt>titleChanged(HelpBrowser, str)</dt>
<dd>
emitted after the title of a browser
            has changed
</dd>
</dl>
<h3>Derived from</h3>
E5TabWidget
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#HelpTabWidget.__init__">HelpTabWidget</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#HelpTabWidget.__currentChanged">__currentChanged</a></td>
<td>Private slot to handle an index change.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__elide">__elide</a></td>
<td>Private method to elide some text.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__guessUrlFromPath">__guessUrlFromPath</a></td>
<td>Private method to guess an URL given a path string.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__iconChanged">__iconChanged</a></td>
<td>Private slot to handle the icon change.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__initTabContextMenu">__initTabContextMenu</a></td>
<td>Private method to create the tab context menu.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__lineEditReturnPressed">__lineEditReturnPressed</a></td>
<td>Private slot to handle the entering of an URL.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__loadFinished">__loadFinished</a></td>
<td>Private method to handle the loadFinished signal.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__loadStarted">__loadStarted</a></td>
<td>Private method to handle the loadStarted signal.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__navigationMenuTriggered">__navigationMenuTriggered</a></td>
<td>Private slot called to handle the navigation button menu selection.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__pathSelected">__pathSelected</a></td>
<td>Private slot called when a URL is selected from the completer.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__printPdfRequested">__printPdfRequested</a></td>
<td>Private slot to handle a print to PDF request.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__printPreview">__printPreview</a></td>
<td>Private slot to generate a print preview.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__printRequested">__printRequested</a></td>
<td>Private slot to handle a print request.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__showContextMenu">__showContextMenu</a></td>
<td>Private slot to show the tab context menu.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__showNavigationMenu">__showNavigationMenu</a></td>
<td>Private slot to show the navigation button menu.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__sourceChanged">__sourceChanged</a></td>
<td>Private slot to handle a change of a browsers source.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__tabContextMenuClone">__tabContextMenuClone</a></td>
<td>Private method to clone the selected tab.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__tabContextMenuClose">__tabContextMenuClose</a></td>
<td>Private method to close the selected tab.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__tabContextMenuCloseOthers">__tabContextMenuCloseOthers</a></td>
<td>Private slot to close all other tabs.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__tabContextMenuMoveLeft">__tabContextMenuMoveLeft</a></td>
<td>Private method to move a tab one position to the left.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__tabContextMenuMoveRight">__tabContextMenuMoveRight</a></td>
<td>Private method to move a tab one position to the right.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__tabContextMenuPrint">__tabContextMenuPrint</a></td>
<td>Private method to print the selected tab.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__tabContextMenuPrintPdf">__tabContextMenuPrintPdf</a></td>
<td>Private method to print the selected tab as PDF.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__tabContextMenuPrintPreview">__tabContextMenuPrintPreview</a></td>
<td>Private method to show a print preview of the selected tab.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__titleChanged">__titleChanged</a></td>
<td>Private slot to handle a change of a browsers title.</td>
</tr><tr>
<td><a href="#HelpTabWidget.__windowCloseRequested">__windowCloseRequested</a></td>
<td>Private slot to handle the windowCloseRequested signal of a browser.</td>
</tr><tr>
<td><a href="#HelpTabWidget.browserAt">browserAt</a></td>
<td>Public method to get a reference to the browser with the given index.</td>
</tr><tr>
<td><a href="#HelpTabWidget.browsers">browsers</a></td>
<td>Public method to get a list of references to all browsers.</td>
</tr><tr>
<td><a href="#HelpTabWidget.closeAllBrowsers">closeAllBrowsers</a></td>
<td>Public slot called to handle the close all action.</td>
</tr><tr>
<td><a href="#HelpTabWidget.closeBrowser">closeBrowser</a></td>
<td>Public slot called to handle the close action.</td>
</tr><tr>
<td><a href="#HelpTabWidget.closeBrowserAt">closeBrowserAt</a></td>
<td>Public slot to close a browser based on it's index.</td>
</tr><tr>
<td><a href="#HelpTabWidget.currentBrowser">currentBrowser</a></td>
<td>Public method to get a reference to the current browser.</td>
</tr><tr>
<td><a href="#HelpTabWidget.currentUrlBar">currentUrlBar</a></td>
<td>Public method to get a reference to the current url bar.</td>
</tr><tr>
<td><a href="#HelpTabWidget.getSourceFileList">getSourceFileList</a></td>
<td>Public method to get a list of all opened source files.</td>
</tr><tr>
<td><a href="#HelpTabWidget.newBrowser">newBrowser</a></td>
<td>Public method to create a new web browser tab.</td>
</tr><tr>
<td><a href="#HelpTabWidget.preferencesChanged">preferencesChanged</a></td>
<td>Public slot to handle a change of preferences.</td>
</tr><tr>
<td><a href="#HelpTabWidget.printBrowser">printBrowser</a></td>
<td>Public slot called to print the displayed page.</td>
</tr><tr>
<td><a href="#HelpTabWidget.printBrowserPdf">printBrowserPdf</a></td>
<td>Public slot called to print the displayed page to PDF.</td>
</tr><tr>
<td><a href="#HelpTabWidget.printPreviewBrowser">printPreviewBrowser</a></td>
<td>Public slot called to show a print preview of the displayed file.</td>
</tr><tr>
<td><a href="#HelpTabWidget.shallShutDown">shallShutDown</a></td>
<td>Public method to check, if the application should be shut down.</td>
</tr><tr>
<td><a href="#HelpTabWidget.stackedUrlBar">stackedUrlBar</a></td>
<td>Public method to get a reference to the stacked url bar.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="HelpTabWidget.__init__" ID="HelpTabWidget.__init__"></a>
<h4>HelpTabWidget (Constructor)</h4>
<b>HelpTabWidget</b>(<i>parent</i>)
<p>
        Constructor
</p><dl>
<dt><i>parent</i></dt>
<dd>
reference to the parent widget (QWidget)
</dd>
</dl><a NAME="HelpTabWidget.__currentChanged" ID="HelpTabWidget.__currentChanged"></a>
<h4>HelpTabWidget.__currentChanged</h4>
<b>__currentChanged</b>(<i>index</i>)
<p>
        Private slot to handle an index change.
</p><dl>
<dt><i>index</i></dt>
<dd>
new index (integer)
</dd>
</dl><a NAME="HelpTabWidget.__elide" ID="HelpTabWidget.__elide"></a>
<h4>HelpTabWidget.__elide</h4>
<b>__elide</b>(<i>txt, mode=Qt.ElideRight, length=40</i>)
<p>
        Private method to elide some text.
</p><dl>
<dt><i>txt</i></dt>
<dd>
text to be elided (string)
</dd><dt><i>mode=</i></dt>
<dd>
elide mode (Qt.TextElideMode)
</dd><dt><i>length=</i></dt>
<dd>
amount of characters to be used (integer)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
the elided text (string)
</dd>
</dl><a NAME="HelpTabWidget.__guessUrlFromPath" ID="HelpTabWidget.__guessUrlFromPath"></a>
<h4>HelpTabWidget.__guessUrlFromPath</h4>
<b>__guessUrlFromPath</b>(<i>path</i>)
<p>
        Private method to guess an URL given a path string.
</p><dl>
<dt><i>path</i></dt>
<dd>
path string to guess an URL for (string)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
guessed URL (QUrl)
</dd>
</dl><a NAME="HelpTabWidget.__iconChanged" ID="HelpTabWidget.__iconChanged"></a>
<h4>HelpTabWidget.__iconChanged</h4>
<b>__iconChanged</b>(<i></i>)
<p>
        Private slot to handle the icon change.
</p><a NAME="HelpTabWidget.__initTabContextMenu" ID="HelpTabWidget.__initTabContextMenu"></a>
<h4>HelpTabWidget.__initTabContextMenu</h4>
<b>__initTabContextMenu</b>(<i></i>)
<p>
        Private method to create the tab context menu.
</p><a NAME="HelpTabWidget.__lineEditReturnPressed" ID="HelpTabWidget.__lineEditReturnPressed"></a>
<h4>HelpTabWidget.__lineEditReturnPressed</h4>
<b>__lineEditReturnPressed</b>(<i></i>)
<p>
        Private slot to handle the entering of an URL.
</p><a NAME="HelpTabWidget.__loadFinished" ID="HelpTabWidget.__loadFinished"></a>
<h4>HelpTabWidget.__loadFinished</h4>
<b>__loadFinished</b>(<i>ok</i>)
<p>
        Private method to handle the loadFinished signal.
</p><dl>
<dt><i>ok</i></dt>
<dd>
flag indicating the result (boolean)
</dd>
</dl><a NAME="HelpTabWidget.__loadStarted" ID="HelpTabWidget.__loadStarted"></a>
<h4>HelpTabWidget.__loadStarted</h4>
<b>__loadStarted</b>(<i></i>)
<p>
        Private method to handle the loadStarted signal.
</p><a NAME="HelpTabWidget.__navigationMenuTriggered" ID="HelpTabWidget.__navigationMenuTriggered"></a>
<h4>HelpTabWidget.__navigationMenuTriggered</h4>
<b>__navigationMenuTriggered</b>(<i>act</i>)
<p>
        Private slot called to handle the navigation button menu selection.
</p><dl>
<dt><i>act</i></dt>
<dd>
reference to the selected action (QAction)
</dd>
</dl><a NAME="HelpTabWidget.__pathSelected" ID="HelpTabWidget.__pathSelected"></a>
<h4>HelpTabWidget.__pathSelected</h4>
<b>__pathSelected</b>(<i>path</i>)
<p>
        Private slot called when a URL is selected from the completer.
</p><dl>
<dt><i>path</i></dt>
<dd>
path to be shown (string)
</dd>
</dl><a NAME="HelpTabWidget.__printPdfRequested" ID="HelpTabWidget.__printPdfRequested"></a>
<h4>HelpTabWidget.__printPdfRequested</h4>
<b>__printPdfRequested</b>(<i>frame</i>)
<p>
        Private slot to handle a print to PDF request.
</p><dl>
<dt><i>frame</i></dt>
<dd>
reference to the frame to be printed (QWebFrame)
</dd>
</dl><a NAME="HelpTabWidget.__printPreview" ID="HelpTabWidget.__printPreview"></a>
<h4>HelpTabWidget.__printPreview</h4>
<b>__printPreview</b>(<i>printer</i>)
<p>
        Private slot to generate a print preview.
</p><dl>
<dt><i>printer</i></dt>
<dd>
reference to the printer object (QPrinter)
</dd>
</dl><a NAME="HelpTabWidget.__printRequested" ID="HelpTabWidget.__printRequested"></a>
<h4>HelpTabWidget.__printRequested</h4>
<b>__printRequested</b>(<i>frame</i>)
<p>
        Private slot to handle a print request.
</p><dl>
<dt><i>frame</i></dt>
<dd>
reference to the frame to be printed (QWebFrame)
</dd>
</dl><a NAME="HelpTabWidget.__showContextMenu" ID="HelpTabWidget.__showContextMenu"></a>
<h4>HelpTabWidget.__showContextMenu</h4>
<b>__showContextMenu</b>(<i>coord, index</i>)
<p>
        Private slot to show the tab context menu.
</p><dl>
<dt><i>coord</i></dt>
<dd>
the position of the mouse pointer (QPoint)
</dd><dt><i>index</i></dt>
<dd>
index of the tab the menu is requested for (integer)
</dd>
</dl><a NAME="HelpTabWidget.__showNavigationMenu" ID="HelpTabWidget.__showNavigationMenu"></a>
<h4>HelpTabWidget.__showNavigationMenu</h4>
<b>__showNavigationMenu</b>(<i></i>)
<p>
        Private slot to show the navigation button menu.
</p><a NAME="HelpTabWidget.__sourceChanged" ID="HelpTabWidget.__sourceChanged"></a>
<h4>HelpTabWidget.__sourceChanged</h4>
<b>__sourceChanged</b>(<i>url</i>)
<p>
        Private slot to handle a change of a browsers source.
</p><dl>
<dt><i>url</i></dt>
<dd>
URL of the new site (QUrl)
</dd>
</dl><a NAME="HelpTabWidget.__tabContextMenuClone" ID="HelpTabWidget.__tabContextMenuClone"></a>
<h4>HelpTabWidget.__tabContextMenuClone</h4>
<b>__tabContextMenuClone</b>(<i></i>)
<p>
        Private method to clone the selected tab.
</p><a NAME="HelpTabWidget.__tabContextMenuClose" ID="HelpTabWidget.__tabContextMenuClose"></a>
<h4>HelpTabWidget.__tabContextMenuClose</h4>
<b>__tabContextMenuClose</b>(<i></i>)
<p>
        Private method to close the selected tab.
</p><a NAME="HelpTabWidget.__tabContextMenuCloseOthers" ID="HelpTabWidget.__tabContextMenuCloseOthers"></a>
<h4>HelpTabWidget.__tabContextMenuCloseOthers</h4>
<b>__tabContextMenuCloseOthers</b>(<i></i>)
<p>
        Private slot to close all other tabs.
</p><a NAME="HelpTabWidget.__tabContextMenuMoveLeft" ID="HelpTabWidget.__tabContextMenuMoveLeft"></a>
<h4>HelpTabWidget.__tabContextMenuMoveLeft</h4>
<b>__tabContextMenuMoveLeft</b>(<i></i>)
<p>
        Private method to move a tab one position to the left.
</p><a NAME="HelpTabWidget.__tabContextMenuMoveRight" ID="HelpTabWidget.__tabContextMenuMoveRight"></a>
<h4>HelpTabWidget.__tabContextMenuMoveRight</h4>
<b>__tabContextMenuMoveRight</b>(<i></i>)
<p>
        Private method to move a tab one position to the right.
</p><a NAME="HelpTabWidget.__tabContextMenuPrint" ID="HelpTabWidget.__tabContextMenuPrint"></a>
<h4>HelpTabWidget.__tabContextMenuPrint</h4>
<b>__tabContextMenuPrint</b>(<i></i>)
<p>
        Private method to print the selected tab.
</p><a NAME="HelpTabWidget.__tabContextMenuPrintPdf" ID="HelpTabWidget.__tabContextMenuPrintPdf"></a>
<h4>HelpTabWidget.__tabContextMenuPrintPdf</h4>
<b>__tabContextMenuPrintPdf</b>(<i></i>)
<p>
        Private method to print the selected tab as PDF.
</p><a NAME="HelpTabWidget.__tabContextMenuPrintPreview" ID="HelpTabWidget.__tabContextMenuPrintPreview"></a>
<h4>HelpTabWidget.__tabContextMenuPrintPreview</h4>
<b>__tabContextMenuPrintPreview</b>(<i></i>)
<p>
        Private method to show a print preview of the selected tab.
</p><a NAME="HelpTabWidget.__titleChanged" ID="HelpTabWidget.__titleChanged"></a>
<h4>HelpTabWidget.__titleChanged</h4>
<b>__titleChanged</b>(<i>title</i>)
<p>
        Private slot to handle a change of a browsers title.
</p><dl>
<dt><i>title</i></dt>
<dd>
new title (string)
</dd>
</dl><a NAME="HelpTabWidget.__windowCloseRequested" ID="HelpTabWidget.__windowCloseRequested"></a>
<h4>HelpTabWidget.__windowCloseRequested</h4>
<b>__windowCloseRequested</b>(<i></i>)
<p>
        Private slot to handle the windowCloseRequested signal of a browser.
</p><a NAME="HelpTabWidget.browserAt" ID="HelpTabWidget.browserAt"></a>
<h4>HelpTabWidget.browserAt</h4>
<b>browserAt</b>(<i>index</i>)
<p>
        Public method to get a reference to the browser with the given index.
</p><dl>
<dt><i>index</i></dt>
<dd>
index of the browser to get (integer)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
reference to the indexed browser (HelpBrowser)
</dd>
</dl><a NAME="HelpTabWidget.browsers" ID="HelpTabWidget.browsers"></a>
<h4>HelpTabWidget.browsers</h4>
<b>browsers</b>(<i></i>)
<p>
        Public method to get a list of references to all browsers.
</p><dl>
<dt>Returns:</dt>
<dd>
list of references to browsers (list of HelpBrowser)
</dd>
</dl><a NAME="HelpTabWidget.closeAllBrowsers" ID="HelpTabWidget.closeAllBrowsers"></a>
<h4>HelpTabWidget.closeAllBrowsers</h4>
<b>closeAllBrowsers</b>(<i></i>)
<p>
        Public slot called to handle the close all action.
</p><a NAME="HelpTabWidget.closeBrowser" ID="HelpTabWidget.closeBrowser"></a>
<h4>HelpTabWidget.closeBrowser</h4>
<b>closeBrowser</b>(<i></i>)
<p>
        Public slot called to handle the close action.
</p><a NAME="HelpTabWidget.closeBrowserAt" ID="HelpTabWidget.closeBrowserAt"></a>
<h4>HelpTabWidget.closeBrowserAt</h4>
<b>closeBrowserAt</b>(<i>index</i>)
<p>
        Public slot to close a browser based on it's index.
</p><dl>
<dt><i>index</i></dt>
<dd>
index of browser to close (integer)
</dd>
</dl><a NAME="HelpTabWidget.currentBrowser" ID="HelpTabWidget.currentBrowser"></a>
<h4>HelpTabWidget.currentBrowser</h4>
<b>currentBrowser</b>(<i></i>)
<p>
        Public method to get a reference to the current browser.
</p><dl>
<dt>Returns:</dt>
<dd>
reference to the current browser (HelpBrowser)
</dd>
</dl><a NAME="HelpTabWidget.currentUrlBar" ID="HelpTabWidget.currentUrlBar"></a>
<h4>HelpTabWidget.currentUrlBar</h4>
<b>currentUrlBar</b>(<i></i>)
<p>
        Public method to get a reference to the current url bar.
</p><dl>
<dt>Returns:</dt>
<dd>
reference to the current url bar (UrlBar)
</dd>
</dl><a NAME="HelpTabWidget.getSourceFileList" ID="HelpTabWidget.getSourceFileList"></a>
<h4>HelpTabWidget.getSourceFileList</h4>
<b>getSourceFileList</b>(<i></i>)
<p>
        Public method to get a list of all opened source files.
</p><dl>
<dt>Returns:</dt>
<dd>
dictionary with tab id as key and host/namespace as value
</dd>
</dl><a NAME="HelpTabWidget.newBrowser" ID="HelpTabWidget.newBrowser"></a>
<h4>HelpTabWidget.newBrowser</h4>
<b>newBrowser</b>(<i>link=None, requestData=None</i>)
<p>
        Public method to create a new web browser tab.
</p><dl>
<dt><i>link</i></dt>
<dd>
link to be shown (string or QUrl)
</dd><dt><i>requestData</i></dt>
<dd>
tuple containing the request data (QNetworkRequest,
            QNetworkAccessManager.Operation, QByteArray)
</dd>
</dl><a NAME="HelpTabWidget.preferencesChanged" ID="HelpTabWidget.preferencesChanged"></a>
<h4>HelpTabWidget.preferencesChanged</h4>
<b>preferencesChanged</b>(<i></i>)
<p>
        Public slot to handle a change of preferences.
</p><a NAME="HelpTabWidget.printBrowser" ID="HelpTabWidget.printBrowser"></a>
<h4>HelpTabWidget.printBrowser</h4>
<b>printBrowser</b>(<i>browser=None</i>)
<p>
        Public slot called to print the displayed page.
</p><dl>
<dt><i>browser</i></dt>
<dd>
reference to the browser to be printed (HelpBrowser)
</dd>
</dl><a NAME="HelpTabWidget.printBrowserPdf" ID="HelpTabWidget.printBrowserPdf"></a>
<h4>HelpTabWidget.printBrowserPdf</h4>
<b>printBrowserPdf</b>(<i>browser=None</i>)
<p>
        Public slot called to print the displayed page to PDF.
</p><dl>
<dt><i>browser</i></dt>
<dd>
reference to the browser to be printed (HelpBrowser)
</dd>
</dl><a NAME="HelpTabWidget.printPreviewBrowser" ID="HelpTabWidget.printPreviewBrowser"></a>
<h4>HelpTabWidget.printPreviewBrowser</h4>
<b>printPreviewBrowser</b>(<i>browser=None</i>)
<p>
        Public slot called to show a print preview of the displayed file.
</p><dl>
<dt><i>browser</i></dt>
<dd>
reference to the browser to be printed (HelpBrowserWV)
</dd>
</dl><a NAME="HelpTabWidget.shallShutDown" ID="HelpTabWidget.shallShutDown"></a>
<h4>HelpTabWidget.shallShutDown</h4>
<b>shallShutDown</b>(<i></i>)
<p>
        Public method to check, if the application should be shut down.
</p><dl>
<dt>Returns:</dt>
<dd>
flag indicating a shut down (boolean)
</dd>
</dl><a NAME="HelpTabWidget.stackedUrlBar" ID="HelpTabWidget.stackedUrlBar"></a>
<h4>HelpTabWidget.stackedUrlBar</h4>
<b>stackedUrlBar</b>(<i></i>)
<p>
        Public method to get a reference to the stacked url bar.
</p><dl>
<dt>Returns:</dt>
<dd>
reference to the stacked url bar (StackedUrlBar)
</dd>
</dl>
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