Wed, 05 Jan 2022 17:28:05 +0100
Updated source documentation.
<!DOCTYPE html> <html><head> <title>eric7.HelpViewer.HelpViewerImplQWE</title> <meta charset="UTF-8"> <link rel="stylesheet" href="styles.css"> </head> <body> <a NAME="top" ID="top"></a> <h1>eric7.HelpViewer.HelpViewerImplQWE</h1> <p> Module implementing the help viewer base class. </p> <h3>Global Attributes</h3> <table> <tr><td>None</td></tr> </table> <h3>Classes</h3> <table> <tr> <td><a href="#HelpViewerImplQWE">HelpViewerImplQWE</a></td> <td>Class implementing the QTextBrowser based help viewer class.</td> </tr> </table> <h3>Functions</h3> <table> <tr><td>None</td></tr> </table> <hr /> <hr /> <a NAME="HelpViewerImplQWE" ID="HelpViewerImplQWE"></a> <h2>HelpViewerImplQWE</h2> <p> Class implementing the QTextBrowser based help viewer class. </p> <h3>Derived from</h3> HelpViewerImpl, QWebEngineView <h3>Class Attributes</h3> <table> <tr><td>ZoomLevelDefault</td></tr><tr><td>ZoomLevels</td></tr> </table> <h3>Class Methods</h3> <table> <tr><td>None</td></tr> </table> <h3>Methods</h3> <table> <tr> <td><a href="#HelpViewerImplQWE.__init__">HelpViewerImplQWE</a></td> <td>Constructor</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__bookmarkPage">__bookmarkPage</a></td> <td>Private method called by the context menu to bookmark the page.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__closeOtherPages">__closeOtherPages</a></td> <td>Private method called by the context menu to close all other pages.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__closePage">__closePage</a></td> <td>Private method called by the context menu to close the current page.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__copyLink">__copyLink</a></td> <td>Private method called by the context menu to copy a link to the clipboard.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__copyText">__copyText</a></td> <td>Private method called by the context menu to copy selected text to the clipboard.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__createContextMenu">__createContextMenu</a></td> <td>Private method to populate the context menu.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__createLinkContextMenu">__createLinkContextMenu</a></td> <td>Private method to populate the context menu for URLs.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__createNewPage">__createNewPage</a></td> <td>Private method to create a new page object.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__levelForScale">__levelForScale</a></td> <td>Private method determining the zoom level index given a zoom factor.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__newWindowRequested">__newWindowRequested</a></td> <td>Private slot handling new window requests of the web page.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__openLinkInBackgroundPage">__openLinkInBackgroundPage</a></td> <td>Private method called by the context menu to open a link in a background page.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__openLinkInNewPage">__openLinkInNewPage</a></td> <td>Private method called by the context menu to open a link in a new page.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__selectAll">__selectAll</a></td> <td>Private method called by the context menu to select all text.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__setRwhvqt">__setRwhvqt</a></td> <td>Private slot to set widget that receives input events.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.__titleChanged">__titleChanged</a></td> <td>Private method to handle a change of the web page title.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE._contextMenuEvent">_contextMenuEvent</a></td> <td>Protected method called to create a context menu.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE._gestureEvent">_gestureEvent</a></td> <td>Protected method handling gesture events.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE._keyPressEvent">_keyPressEvent</a></td> <td>Protected method called by a key press.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE._mouseReleaseEvent">_mouseReleaseEvent</a></td> <td>Protected method called by a mouse release event.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE._wheelEvent">_wheelEvent</a></td> <td>Protected method to handle wheel events.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.backward">backward</a></td> <td>Public slot to move backwards in history.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.backwardHistoryCount">backwardHistoryCount</a></td> <td>Public method to get the number of available back history items.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.clearHistory">clearHistory</a></td> <td>Public method to clear the history.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.contextMenuEvent">contextMenuEvent</a></td> <td>Protected method called to create a context menu.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.event">event</a></td> <td>Public method handling events.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.eventFilter">eventFilter</a></td> <td>Public method to process event for other objects.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.forward">forward</a></td> <td>Public slot to move forward in history.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.forwardHistoryCount">forwardHistoryCount</a></td> <td>Public method to get the number of available forward history items.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.gotoHistory">gotoHistory</a></td> <td>Public method to go to a history item.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.historyTitle">historyTitle</a></td> <td>Public method to get the title of a history item.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.isBackwardAvailable">isBackwardAvailable</a></td> <td>Public method to check, if stepping backward through the history is available.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.isEmptyPage">isEmptyPage</a></td> <td>Public method to check, if the current page is the empty page.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.isForwardAvailable">isForwardAvailable</a></td> <td>Public method to check, if stepping forward through the history is available.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.isScaleDownAvailable">isScaleDownAvailable</a></td> <td>Public method to check, if the min.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.isScaleUpAvailable">isScaleUpAvailable</a></td> <td>Public method to check, if the max.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.link">link</a></td> <td>Public method to get the URL of the shown document.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.pageTitle">pageTitle</a></td> <td>Public method get the page title.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.reload">reload</a></td> <td>Public slot to reload the current page.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.resetScale">resetScale</a></td> <td>Public method to reset the zoom level.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.scale">scale</a></td> <td>Public method to get the zoom level.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.scaleDown">scaleDown</a></td> <td>Public method to zoom out.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.scaleUp">scaleUp</a></td> <td>Public method to zoom in.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.setLink">setLink</a></td> <td>Public method to set the URL of the document to be shown.</td> </tr> <tr> <td><a href="#HelpViewerImplQWE.setScale">setScale</a></td> <td>Public method to set the zoom level.</td> </tr> </table> <h3>Static Methods</h3> <table> <tr><td>None</td></tr> </table> <a NAME="HelpViewerImplQWE.__init__" ID="HelpViewerImplQWE.__init__"></a> <h4>HelpViewerImplQWE (Constructor)</h4> <b>HelpViewerImplQWE</b>(<i>engine, parent=None</i>) <p> Constructor </p> <dl> <dt><i>engine</i> (QHelpEngine)</dt> <dd> reference to the help engine </dd> <dt><i>parent</i> (QWidget)</dt> <dd> reference to the parent widget </dd> </dl> <a NAME="HelpViewerImplQWE.__bookmarkPage" ID="HelpViewerImplQWE.__bookmarkPage"></a> <h4>HelpViewerImplQWE.__bookmarkPage</h4> <b>__bookmarkPage</b>(<i>act</i>) <p> Private method called by the context menu to bookmark the page. </p> <dl> <dt><i>act</i> (QAction)</dt> <dd> reference to the action that triggered </dd> </dl> <a NAME="HelpViewerImplQWE.__closeOtherPages" ID="HelpViewerImplQWE.__closeOtherPages"></a> <h4>HelpViewerImplQWE.__closeOtherPages</h4> <b>__closeOtherPages</b>(<i></i>) <p> Private method called by the context menu to close all other pages. </p> <a NAME="HelpViewerImplQWE.__closePage" ID="HelpViewerImplQWE.__closePage"></a> <h4>HelpViewerImplQWE.__closePage</h4> <b>__closePage</b>(<i></i>) <p> Private method called by the context menu to close the current page. </p> <a NAME="HelpViewerImplQWE.__copyLink" ID="HelpViewerImplQWE.__copyLink"></a> <h4>HelpViewerImplQWE.__copyLink</h4> <b>__copyLink</b>(<i>act</i>) <p> Private method called by the context menu to copy a link to the clipboard. </p> <dl> <dt><i>act</i> (QAction)</dt> <dd> reference to the action that triggered </dd> </dl> <a NAME="HelpViewerImplQWE.__copyText" ID="HelpViewerImplQWE.__copyText"></a> <h4>HelpViewerImplQWE.__copyText</h4> <b>__copyText</b>(<i></i>) <p> Private method called by the context menu to copy selected text to the clipboard. </p> <a NAME="HelpViewerImplQWE.__createContextMenu" ID="HelpViewerImplQWE.__createContextMenu"></a> <h4>HelpViewerImplQWE.__createContextMenu</h4> <b>__createContextMenu</b>(<i>menu</i>) <p> Private method to populate the context menu. </p> <dl> <dt><i>menu</i> (QMenu)</dt> <dd> reference to the menu to be populated </dd> </dl> <a NAME="HelpViewerImplQWE.__createLinkContextMenu" ID="HelpViewerImplQWE.__createLinkContextMenu"></a> <h4>HelpViewerImplQWE.__createLinkContextMenu</h4> <b>__createLinkContextMenu</b>(<i>menu, contextMenuData</i>) <p> Private method to populate the context menu for URLs. </p> <dl> <dt><i>menu</i> (QMenu)</dt> <dd> reference to the menu to be populated </dd> <dt><i>contextMenuData</i> (QWebEngineContextMenuRequest)</dt> <dd> data of the last context menu request </dd> </dl> <a NAME="HelpViewerImplQWE.__createNewPage" ID="HelpViewerImplQWE.__createNewPage"></a> <h4>HelpViewerImplQWE.__createNewPage</h4> <b>__createNewPage</b>(<i></i>) <p> Private method to create a new page object. </p> <a NAME="HelpViewerImplQWE.__levelForScale" ID="HelpViewerImplQWE.__levelForScale"></a> <h4>HelpViewerImplQWE.__levelForScale</h4> <b>__levelForScale</b>(<i>scale</i>) <p> Private method determining the zoom level index given a zoom factor. </p> <dl> <dt><i>scale</i> (int)</dt> <dd> zoom factor </dd> </dl> <dl> <dt>Return:</dt> <dd> index of zoom factor </dd> </dl> <dl> <dt>Return Type:</dt> <dd> int </dd> </dl> <a NAME="HelpViewerImplQWE.__newWindowRequested" ID="HelpViewerImplQWE.__newWindowRequested"></a> <h4>HelpViewerImplQWE.__newWindowRequested</h4> <b>__newWindowRequested</b>(<i>request</i>) <p> Private slot handling new window requests of the web page. </p> <dl> <dt><i>request</i> (QWebEngineNewWindowRequest)</dt> <dd> reference to the new window request </dd> </dl> <a NAME="HelpViewerImplQWE.__openLinkInBackgroundPage" ID="HelpViewerImplQWE.__openLinkInBackgroundPage"></a> <h4>HelpViewerImplQWE.__openLinkInBackgroundPage</h4> <b>__openLinkInBackgroundPage</b>(<i>act</i>) <p> Private method called by the context menu to open a link in a background page. </p> <dl> <dt><i>act</i> (QAction)</dt> <dd> reference to the action that triggered </dd> </dl> <a NAME="HelpViewerImplQWE.__openLinkInNewPage" ID="HelpViewerImplQWE.__openLinkInNewPage"></a> <h4>HelpViewerImplQWE.__openLinkInNewPage</h4> <b>__openLinkInNewPage</b>(<i>act</i>) <p> Private method called by the context menu to open a link in a new page. </p> <dl> <dt><i>act</i> (QAction)</dt> <dd> reference to the action that triggered </dd> </dl> <a NAME="HelpViewerImplQWE.__selectAll" ID="HelpViewerImplQWE.__selectAll"></a> <h4>HelpViewerImplQWE.__selectAll</h4> <b>__selectAll</b>(<i></i>) <p> Private method called by the context menu to select all text. </p> <a NAME="HelpViewerImplQWE.__setRwhvqt" ID="HelpViewerImplQWE.__setRwhvqt"></a> <h4>HelpViewerImplQWE.__setRwhvqt</h4> <b>__setRwhvqt</b>(<i></i>) <p> Private slot to set widget that receives input events. </p> <a NAME="HelpViewerImplQWE.__titleChanged" ID="HelpViewerImplQWE.__titleChanged"></a> <h4>HelpViewerImplQWE.__titleChanged</h4> <b>__titleChanged</b>(<i></i>) <p> Private method to handle a change of the web page title. </p> <a NAME="HelpViewerImplQWE._contextMenuEvent" ID="HelpViewerImplQWE._contextMenuEvent"></a> <h4>HelpViewerImplQWE._contextMenuEvent</h4> <b>_contextMenuEvent</b>(<i>evt</i>) <p> Protected method called to create a context menu. </p> <dl> <dt><i>evt</i></dt> <dd> reference to the context menu event object (QContextMenuEvent) </dd> </dl> <a NAME="HelpViewerImplQWE._gestureEvent" ID="HelpViewerImplQWE._gestureEvent"></a> <h4>HelpViewerImplQWE._gestureEvent</h4> <b>_gestureEvent</b>(<i>evt</i>) <p> Protected method handling gesture events. </p> <dl> <dt><i>evt</i> (QGestureEvent)</dt> <dd> reference to the gesture event </dd> </dl> <a NAME="HelpViewerImplQWE._keyPressEvent" ID="HelpViewerImplQWE._keyPressEvent"></a> <h4>HelpViewerImplQWE._keyPressEvent</h4> <b>_keyPressEvent</b>(<i>evt</i>) <p> Protected method called by a key press. </p> <dl> <dt><i>evt</i> (QKeyEvent)</dt> <dd> reference to the key event </dd> </dl> <a NAME="HelpViewerImplQWE._mouseReleaseEvent" ID="HelpViewerImplQWE._mouseReleaseEvent"></a> <h4>HelpViewerImplQWE._mouseReleaseEvent</h4> <b>_mouseReleaseEvent</b>(<i>evt</i>) <p> Protected method called by a mouse release event. </p> <dl> <dt><i>evt</i> (QMouseEvent)</dt> <dd> reference to the mouse event </dd> </dl> <a NAME="HelpViewerImplQWE._wheelEvent" ID="HelpViewerImplQWE._wheelEvent"></a> <h4>HelpViewerImplQWE._wheelEvent</h4> <b>_wheelEvent</b>(<i>evt</i>) <p> Protected method to handle wheel events. </p> <dl> <dt><i>evt</i> (QWheelEvent)</dt> <dd> reference to the wheel event </dd> </dl> <a NAME="HelpViewerImplQWE.backward" ID="HelpViewerImplQWE.backward"></a> <h4>HelpViewerImplQWE.backward</h4> <b>backward</b>(<i></i>) <p> Public slot to move backwards in history. </p> <a NAME="HelpViewerImplQWE.backwardHistoryCount" ID="HelpViewerImplQWE.backwardHistoryCount"></a> <h4>HelpViewerImplQWE.backwardHistoryCount</h4> <b>backwardHistoryCount</b>(<i></i>) <p> Public method to get the number of available back history items. </p> <p> Note: For performance reasons this is limited to the maximum number of history items the help viewer is interested in. </p> <dl> <dt>Return:</dt> <dd> count of available back history items </dd> </dl> <dl> <dt>Return Type:</dt> <dd> int </dd> </dl> <a NAME="HelpViewerImplQWE.clearHistory" ID="HelpViewerImplQWE.clearHistory"></a> <h4>HelpViewerImplQWE.clearHistory</h4> <b>clearHistory</b>(<i></i>) <p> Public method to clear the history. </p> <a NAME="HelpViewerImplQWE.contextMenuEvent" ID="HelpViewerImplQWE.contextMenuEvent"></a> <h4>HelpViewerImplQWE.contextMenuEvent</h4> <b>contextMenuEvent</b>(<i>evt</i>) <p> Protected method called to create a context menu. </p> <p> This method is overridden from QWebEngineView. </p> <dl> <dt><i>evt</i> (QContextMenuEvent)</dt> <dd> reference to the context menu event object </dd> </dl> <a NAME="HelpViewerImplQWE.event" ID="HelpViewerImplQWE.event"></a> <h4>HelpViewerImplQWE.event</h4> <b>event</b>(<i>evt</i>) <p> Public method handling events. </p> <dl> <dt><i>evt</i></dt> <dd> reference to the event (QEvent) </dd> </dl> <dl> <dt>Return:</dt> <dd> flag indicating, if the event was handled (boolean) </dd> </dl> <a NAME="HelpViewerImplQWE.eventFilter" ID="HelpViewerImplQWE.eventFilter"></a> <h4>HelpViewerImplQWE.eventFilter</h4> <b>eventFilter</b>(<i>obj, evt</i>) <p> Public method to process event for other objects. </p> <dl> <dt><i>obj</i> (QObject)</dt> <dd> reference to object to process events for </dd> <dt><i>evt</i> (QEvent)</dt> <dd> reference to event to be processed </dd> </dl> <dl> <dt>Return:</dt> <dd> flag indicating that the event should be filtered out </dd> </dl> <dl> <dt>Return Type:</dt> <dd> bool </dd> </dl> <a NAME="HelpViewerImplQWE.forward" ID="HelpViewerImplQWE.forward"></a> <h4>HelpViewerImplQWE.forward</h4> <b>forward</b>(<i></i>) <p> Public slot to move forward in history. </p> <a NAME="HelpViewerImplQWE.forwardHistoryCount" ID="HelpViewerImplQWE.forwardHistoryCount"></a> <h4>HelpViewerImplQWE.forwardHistoryCount</h4> <b>forwardHistoryCount</b>(<i></i>) <p> Public method to get the number of available forward history items. </p> <p> Note: For performance reasons this is limited to the maximum number of history items the help viewer is interested in. </p> <dl> <dt>Return:</dt> <dd> count of available forward history items </dd> </dl> <dl> <dt>Return Type:</dt> <dd> int </dd> </dl> <a NAME="HelpViewerImplQWE.gotoHistory" ID="HelpViewerImplQWE.gotoHistory"></a> <h4>HelpViewerImplQWE.gotoHistory</h4> <b>gotoHistory</b>(<i>offset</i>) <p> Public method to go to a history item. </p> <dl> <dt><i>offset</i> (int)</dt> <dd> offset of the item with respect to the current page </dd> </dl> <a NAME="HelpViewerImplQWE.historyTitle" ID="HelpViewerImplQWE.historyTitle"></a> <h4>HelpViewerImplQWE.historyTitle</h4> <b>historyTitle</b>(<i>offset</i>) <p> Public method to get the title of a history item. </p> <dl> <dt><i>offset</i> (int)</dt> <dd> offset of the item with respect to the current page </dd> </dl> <dl> <dt>Return:</dt> <dd> title of the requeted item in history </dd> </dl> <dl> <dt>Return Type:</dt> <dd> str </dd> </dl> <a NAME="HelpViewerImplQWE.isBackwardAvailable" ID="HelpViewerImplQWE.isBackwardAvailable"></a> <h4>HelpViewerImplQWE.isBackwardAvailable</h4> <b>isBackwardAvailable</b>(<i></i>) <p> Public method to check, if stepping backward through the history is available. </p> <dl> <dt>Return:</dt> <dd> flag indicating backward stepping is available </dd> </dl> <dl> <dt>Return Type:</dt> <dd> bool </dd> </dl> <a NAME="HelpViewerImplQWE.isEmptyPage" ID="HelpViewerImplQWE.isEmptyPage"></a> <h4>HelpViewerImplQWE.isEmptyPage</h4> <b>isEmptyPage</b>(<i></i>) <p> Public method to check, if the current page is the empty page. </p> <dl> <dt>Return:</dt> <dd> flag indicating an empty page is loaded </dd> </dl> <dl> <dt>Return Type:</dt> <dd> bool </dd> </dl> <a NAME="HelpViewerImplQWE.isForwardAvailable" ID="HelpViewerImplQWE.isForwardAvailable"></a> <h4>HelpViewerImplQWE.isForwardAvailable</h4> <b>isForwardAvailable</b>(<i></i>) <p> Public method to check, if stepping forward through the history is available. </p> <dl> <dt>Return:</dt> <dd> flag indicating forward stepping is available </dd> </dl> <dl> <dt>Return Type:</dt> <dd> bool </dd> </dl> <a NAME="HelpViewerImplQWE.isScaleDownAvailable" ID="HelpViewerImplQWE.isScaleDownAvailable"></a> <h4>HelpViewerImplQWE.isScaleDownAvailable</h4> <b>isScaleDownAvailable</b>(<i></i>) <p> Public method to check, if the min. zoom level is reached. </p> <dl> <dt>Return:</dt> <dd> flag indicating scale down is available </dd> </dl> <dl> <dt>Return Type:</dt> <dd> bool </dd> </dl> <a NAME="HelpViewerImplQWE.isScaleUpAvailable" ID="HelpViewerImplQWE.isScaleUpAvailable"></a> <h4>HelpViewerImplQWE.isScaleUpAvailable</h4> <b>isScaleUpAvailable</b>(<i></i>) <p> Public method to check, if the max. zoom level is reached. </p> <dl> <dt>Return:</dt> <dd> flag indicating scale up is available </dd> </dl> <dl> <dt>Return Type:</dt> <dd> bool </dd> </dl> <a NAME="HelpViewerImplQWE.link" ID="HelpViewerImplQWE.link"></a> <h4>HelpViewerImplQWE.link</h4> <b>link</b>(<i></i>) <p> Public method to get the URL of the shown document. </p> <dl> <dt>Return:</dt> <dd> url URL of the document </dd> </dl> <dl> <dt>Return Type:</dt> <dd> QUrl </dd> </dl> <a NAME="HelpViewerImplQWE.pageTitle" ID="HelpViewerImplQWE.pageTitle"></a> <h4>HelpViewerImplQWE.pageTitle</h4> <b>pageTitle</b>(<i></i>) <p> Public method get the page title. </p> <dl> <dt>Return:</dt> <dd> page title </dd> </dl> <dl> <dt>Return Type:</dt> <dd> str </dd> </dl> <a NAME="HelpViewerImplQWE.reload" ID="HelpViewerImplQWE.reload"></a> <h4>HelpViewerImplQWE.reload</h4> <b>reload</b>(<i></i>) <p> Public slot to reload the current page. </p> <a NAME="HelpViewerImplQWE.resetScale" ID="HelpViewerImplQWE.resetScale"></a> <h4>HelpViewerImplQWE.resetScale</h4> <b>resetScale</b>(<i></i>) <p> Public method to reset the zoom level. </p> <a NAME="HelpViewerImplQWE.scale" ID="HelpViewerImplQWE.scale"></a> <h4>HelpViewerImplQWE.scale</h4> <b>scale</b>(<i></i>) <p> Public method to get the zoom level. </p> <dl> <dt>Return:</dt> <dd> current zoom level </dd> </dl> <dl> <dt>Return Type:</dt> <dd> int </dd> </dl> <a NAME="HelpViewerImplQWE.scaleDown" ID="HelpViewerImplQWE.scaleDown"></a> <h4>HelpViewerImplQWE.scaleDown</h4> <b>scaleDown</b>(<i></i>) <p> Public method to zoom out. </p> <a NAME="HelpViewerImplQWE.scaleUp" ID="HelpViewerImplQWE.scaleUp"></a> <h4>HelpViewerImplQWE.scaleUp</h4> <b>scaleUp</b>(<i></i>) <p> Public method to zoom in. </p> <a NAME="HelpViewerImplQWE.setLink" ID="HelpViewerImplQWE.setLink"></a> <h4>HelpViewerImplQWE.setLink</h4> <b>setLink</b>(<i>url</i>) <p> Public method to set the URL of the document to be shown. </p> <dl> <dt><i>url</i> (QUrl)</dt> <dd> URL of the document </dd> </dl> <a NAME="HelpViewerImplQWE.setScale" ID="HelpViewerImplQWE.setScale"></a> <h4>HelpViewerImplQWE.setScale</h4> <b>setScale</b>(<i>scale</i>) <p> Public method to set the zoom level. </p> <dl> <dt><i>scale</i> (int)</dt> <dd> zoom level to set </dd> </dl> <div align="right"><a href="#top">Up</a></div> <hr /> </body></html>