eric7/Documentation/Source/eric7.HelpViewer.HelpViewerWidget.html

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1 <!DOCTYPE html>
2 <html><head>
3 <title>eric7.HelpViewer.HelpViewerWidget</title>
4 <meta charset="UTF-8">
5 <link rel="stylesheet" href="styles.css">
6 </head>
7 <body>
8 <a NAME="top" ID="top"></a>
9 <h1>eric7.HelpViewer.HelpViewerWidget</h1>
10
11 <p>
12 Module implementing an embedded viewer for QtHelp and local HTML files.
13 </p>
14 <h3>Global Attributes</h3>
15
16 <table>
17 <tr><td>None</td></tr>
18 </table>
19 <h3>Classes</h3>
20
21 <table>
22
23 <tr>
24 <td><a href="#HelpViewerWidget">HelpViewerWidget</a></td>
25 <td>Class implementing an embedded viewer for QtHelp and local HTML files.</td>
26 </tr>
27 </table>
28 <h3>Functions</h3>
29
30 <table>
31 <tr><td>None</td></tr>
32 </table>
33 <hr />
34 <hr />
35 <a NAME="HelpViewerWidget" ID="HelpViewerWidget"></a>
36 <h2>HelpViewerWidget</h2>
37
38 <p>
39 Class implementing an embedded viewer for QtHelp and local HTML files.
40 </p>
41 <h3>Derived from</h3>
42 QWidget
43 <h3>Class Attributes</h3>
44
45 <table>
46 <tr><td>MaxHistoryItems</td></tr>
47 </table>
48 <h3>Class Methods</h3>
49
50 <table>
51 <tr><td>None</td></tr>
52 </table>
53 <h3>Methods</h3>
54
55 <table>
56
57 <tr>
58 <td><a href="#HelpViewerWidget.__init__">HelpViewerWidget</a></td>
59 <td>Constructor</td>
60 </tr>
61 <tr>
62 <td><a href="#HelpViewerWidget.__activateCurrentPage">__activateCurrentPage</a></td>
63 <td>Private slot to activate the current page.</td>
64 </tr>
65 <tr>
66 <td><a href="#HelpViewerWidget.__addNavigationButton">__addNavigationButton</a></td>
67 <td>Private method to create and add a navigation button.</td>
68 </tr>
69 <tr>
70 <td><a href="#HelpViewerWidget.__addNewPage">__addNewPage</a></td>
71 <td>Private slot to add a new empty page.</td>
72 </tr>
73 <tr>
74 <td><a href="#HelpViewerWidget.__backward">__backward</a></td>
75 <td>Private slot to move one page backward.</td>
76 </tr>
77 <tr>
78 <td><a href="#HelpViewerWidget.__checkActionButtons">__checkActionButtons</a></td>
79 <td>Private slot to set the enabled state of the action buttons.</td>
80 </tr>
81 <tr>
82 <td><a href="#HelpViewerWidget.__clearHistory">__clearHistory</a></td>
83 <td>Private slot to clear the history of the current viewer.</td>
84 </tr>
85 <tr>
86 <td><a href="#HelpViewerWidget.__currentFilterChanged">__currentFilterChanged</a></td>
87 <td>Private slot handling a change of the active QtHelp filter.</td>
88 </tr>
89 <tr>
90 <td><a href="#HelpViewerWidget.__currentPageChanged">__currentPageChanged</a></td>
91 <td>Private slot handling the selection of another page.</td>
92 </tr>
93 <tr>
94 <td><a href="#HelpViewerWidget.__docsInstalled">__docsInstalled</a></td>
95 <td>Private slot handling the end of documentation installation.</td>
96 </tr>
97 <tr>
98 <td><a href="#HelpViewerWidget.__filterQtHelpDocumentation">__filterQtHelpDocumentation</a></td>
99 <td>Private slot to filter the QtHelp documentation.</td>
100 </tr>
101 <tr>
102 <td><a href="#HelpViewerWidget.__forward">__forward</a></td>
103 <td>Private slot to move one page foreward.</td>
104 </tr>
105 <tr>
106 <td><a href="#HelpViewerWidget.__getQtHelpCollectionFileName">__getQtHelpCollectionFileName</a></td>
107 <td>Private method to determine the name of the QtHelp collection file.</td>
108 </tr>
109 <tr>
110 <td><a href="#HelpViewerWidget.__helpTopicSelected">__helpTopicSelected</a></td>
111 <td>Private slot handling the selection of a new help topic.</td>
112 </tr>
113 <tr>
114 <td><a href="#HelpViewerWidget.__indexingFinished">__indexingFinished</a></td>
115 <td>Private slot handling the end of the indexing process.</td>
116 </tr>
117 <tr>
118 <td><a href="#HelpViewerWidget.__indexingStarted">__indexingStarted</a></td>
119 <td>Private slot handling the start of the indexing process.</td>
120 </tr>
121 <tr>
122 <td><a href="#HelpViewerWidget.__initActionsMenu">__initActionsMenu</a></td>
123 <td>Private method to initialize the actions menu.</td>
124 </tr>
125 <tr>
126 <td><a href="#HelpViewerWidget.__initFilterWidget">__initFilterWidget</a></td>
127 <td>Private method to initialize the filter selection widget.</td>
128 </tr>
129 <tr>
130 <td><a href="#HelpViewerWidget.__initHelpEngine">__initHelpEngine</a></td>
131 <td>Private method to initialize the QtHelp related stuff.</td>
132 </tr>
133 <tr>
134 <td><a href="#HelpViewerWidget.__initIndexingProgress">__initIndexingProgress</a></td>
135 <td>Private method to initialize the help documents indexing progress widget.</td>
136 </tr>
137 <tr>
138 <td><a href="#HelpViewerWidget.__initQWebEngine">__initQWebEngine</a></td>
139 <td>Private method to initialize global QWebEngine related objects.</td>
140 </tr>
141 <tr>
142 <td><a href="#HelpViewerWidget.__initQWebEngineSettings">__initQWebEngineSettings</a></td>
143 <td>Private method to set the global web settings.</td>
144 </tr>
145 <tr>
146 <td><a href="#HelpViewerWidget.__lookForNewDocumentation">__lookForNewDocumentation</a></td>
147 <td>Private slot to look for new documentation to be loaded into the help database.</td>
148 </tr>
149 <tr>
150 <td><a href="#HelpViewerWidget.__manageQtHelpDocuments">__manageQtHelpDocuments</a></td>
151 <td>Private slot to manage the QtHelp documentation database.</td>
152 </tr>
153 <tr>
154 <td><a href="#HelpViewerWidget.__navigationMenuActionTriggered">__navigationMenuActionTriggered</a></td>
155 <td>Private slot to go to the selected page.</td>
156 </tr>
157 <tr>
158 <td><a href="#HelpViewerWidget.__newViewer">__newViewer</a></td>
159 <td>Private method to create a new help viewer.</td>
160 </tr>
161 <tr>
162 <td><a href="#HelpViewerWidget.__openFile">__openFile</a></td>
163 <td>Private slot to open a local help file (*.html).</td>
164 </tr>
165 <tr>
166 <td><a href="#HelpViewerWidget.__populateHelpSelector">__populateHelpSelector</a></td>
167 <td>Private method to populate the help selection combo box.</td>
168 </tr>
169 <tr>
170 <td><a href="#HelpViewerWidget.__populateNavigationStack">__populateNavigationStack</a></td>
171 <td>Private method to populate the stack of navigation widgets.</td>
172 </tr>
173 <tr>
174 <td><a href="#HelpViewerWidget.__reload">__reload</a></td>
175 <td>Private slot to reload the current page.</td>
176 </tr>
177 <tr>
178 <td><a href="#HelpViewerWidget.__removeOldDocumentation">__removeOldDocumentation</a></td>
179 <td>Private slot to remove non-existing documentation from the help engine.</td>
180 </tr>
181 <tr>
182 <td><a href="#HelpViewerWidget.__searchWidgetClosed">__searchWidgetClosed</a></td>
183 <td>Private slot to handle the closing of the search widget.</td>
184 </tr>
185 <tr>
186 <td><a href="#HelpViewerWidget.__selectNavigationWidget">__selectNavigationWidget</a></td>
187 <td>Private slot to select the navigation widget.</td>
188 </tr>
189 <tr>
190 <td><a href="#HelpViewerWidget.__setupFilterCombo">__setupFilterCombo</a></td>
191 <td>Private slot to setup the filter combo box.</td>
192 </tr>
193 <tr>
194 <td><a href="#HelpViewerWidget.__showBackMenu">__showBackMenu</a></td>
195 <td>Private slot showing the backward navigation menu.</td>
196 </tr>
197 <tr>
198 <td><a href="#HelpViewerWidget.__showForwardMenu">__showForwardMenu</a></td>
199 <td>Private slot showing the forward navigation menu.</td>
200 </tr>
201 <tr>
202 <td><a href="#HelpViewerWidget.__showInstallationError">__showInstallationError</a></td>
203 <td>Private slot to show installation errors.</td>
204 </tr>
205 <tr>
206 <td><a href="#HelpViewerWidget.__warning">__warning</a></td>
207 <td>Private slot handling warnings of the help engine.</td>
208 </tr>
209 <tr>
210 <td><a href="#HelpViewerWidget.__zoomIn">__zoomIn</a></td>
211 <td>Private slot to zoom in.</td>
212 </tr>
213 <tr>
214 <td><a href="#HelpViewerWidget.__zoomOut">__zoomOut</a></td>
215 <td>Private slot to zoom out.</td>
216 </tr>
217 <tr>
218 <td><a href="#HelpViewerWidget.__zoomReset">__zoomReset</a></td>
219 <td>Private slot to reset the zoom level.</td>
220 </tr>
221 <tr>
222 <td><a href="#HelpViewerWidget.activate">activate</a></td>
223 <td>Public method to activate the widget and search for a given word.</td>
224 </tr>
225 <tr>
226 <td><a href="#HelpViewerWidget.addPage">addPage</a></td>
227 <td>Public method to add a new help page with the given URL.</td>
228 </tr>
229 <tr>
230 <td><a href="#HelpViewerWidget.closeAllPages">closeAllPages</a></td>
231 <td>Public slot to close all pages.</td>
232 </tr>
233 <tr>
234 <td><a href="#HelpViewerWidget.closeCurrentPage">closeCurrentPage</a></td>
235 <td>Public slot to close the current page.</td>
236 </tr>
237 <tr>
238 <td><a href="#HelpViewerWidget.closeOtherPages">closeOtherPages</a></td>
239 <td>Public slot to close all other pages.</td>
240 </tr>
241 <tr>
242 <td><a href="#HelpViewerWidget.currentViewer">currentViewer</a></td>
243 <td>Public method to get the active viewer.</td>
244 </tr>
245 <tr>
246 <td><a href="#HelpViewerWidget.openPagesCount">openPagesCount</a></td>
247 <td>Public method to get the count of open pages.</td>
248 </tr>
249 <tr>
250 <td><a href="#HelpViewerWidget.openUrl">openUrl</a></td>
251 <td>Public slot to load a URL in the current page.</td>
252 </tr>
253 <tr>
254 <td><a href="#HelpViewerWidget.openUrlNewBackgroundPage">openUrlNewBackgroundPage</a></td>
255 <td>Public slot to load a URL in a new background page.</td>
256 </tr>
257 <tr>
258 <td><a href="#HelpViewerWidget.openUrlNewPage">openUrlNewPage</a></td>
259 <td>Public slot to load a URL in a new page.</td>
260 </tr>
261 <tr>
262 <td><a href="#HelpViewerWidget.searchNext">searchNext</a></td>
263 <td>Public slot to find the next occurrence of the current search term.</td>
264 </tr>
265 <tr>
266 <td><a href="#HelpViewerWidget.searchPrev">searchPrev</a></td>
267 <td>Public slot to find the previous occurrence of the current search term.</td>
268 </tr>
269 <tr>
270 <td><a href="#HelpViewerWidget.searchQtHelp">searchQtHelp</a></td>
271 <td>Public slot to search for a given search expression.</td>
272 </tr>
273 <tr>
274 <td><a href="#HelpViewerWidget.showHideSearch">showHideSearch</a></td>
275 <td>Public slot to show or hide the search widget.</td>
276 </tr>
277 <tr>
278 <td><a href="#HelpViewerWidget.shutdown">shutdown</a></td>
279 <td>Public method to perform shut down actions.</td>
280 </tr>
281 <tr>
282 <td><a href="#HelpViewerWidget.webProfile">webProfile</a></td>
283 <td>Public method to get a reference to the global web profile object.</td>
284 </tr>
285 <tr>
286 <td><a href="#HelpViewerWidget.webSettings">webSettings</a></td>
287 <td>Public method to get the web settings of the current profile.</td>
288 </tr>
289 </table>
290 <h3>Static Methods</h3>
291
292 <table>
293 <tr><td>None</td></tr>
294 </table>
295
296 <a NAME="HelpViewerWidget.__init__" ID="HelpViewerWidget.__init__"></a>
297 <h4>HelpViewerWidget (Constructor)</h4>
298 <b>HelpViewerWidget</b>(<i>parent=None</i>)
299
300 <p>
301 Constructor
302 </p>
303 <dl>
304
305 <dt><i>parent</i> (QWidget (optional))</dt>
306 <dd>
307 reference to the parent widget (defaults to None)
308 </dd>
309 </dl>
310 <a NAME="HelpViewerWidget.__activateCurrentPage" ID="HelpViewerWidget.__activateCurrentPage"></a>
311 <h4>HelpViewerWidget.__activateCurrentPage</h4>
312 <b>__activateCurrentPage</b>(<i></i>)
313
314 <p>
315 Private slot to activate the current page.
316 </p>
317 <a NAME="HelpViewerWidget.__addNavigationButton" ID="HelpViewerWidget.__addNavigationButton"></a>
318 <h4>HelpViewerWidget.__addNavigationButton</h4>
319 <b>__addNavigationButton</b>(<i>iconName, toolTip</i>)
320
321 <p>
322 Private method to create and add a navigation button.
323 </p>
324 <dl>
325
326 <dt><i>iconName</i> (str)</dt>
327 <dd>
328 name of the icon
329 </dd>
330 <dt><i>toolTip</i> (str)</dt>
331 <dd>
332 tooltip to be shown
333 </dd>
334 </dl>
335 <dl>
336 <dt>Return:</dt>
337 <dd>
338 reference to the created button
339 </dd>
340 </dl>
341 <dl>
342 <dt>Return Type:</dt>
343 <dd>
344 QToolButton
345 </dd>
346 </dl>
347 <a NAME="HelpViewerWidget.__addNewPage" ID="HelpViewerWidget.__addNewPage"></a>
348 <h4>HelpViewerWidget.__addNewPage</h4>
349 <b>__addNewPage</b>(<i></i>)
350
351 <p>
352 Private slot to add a new empty page.
353 </p>
354 <a NAME="HelpViewerWidget.__backward" ID="HelpViewerWidget.__backward"></a>
355 <h4>HelpViewerWidget.__backward</h4>
356 <b>__backward</b>(<i></i>)
357
358 <p>
359 Private slot to move one page backward.
360 </p>
361 <a NAME="HelpViewerWidget.__checkActionButtons" ID="HelpViewerWidget.__checkActionButtons"></a>
362 <h4>HelpViewerWidget.__checkActionButtons</h4>
363 <b>__checkActionButtons</b>(<i></i>)
364
365 <p>
366 Private slot to set the enabled state of the action buttons.
367 </p>
368 <a NAME="HelpViewerWidget.__clearHistory" ID="HelpViewerWidget.__clearHistory"></a>
369 <h4>HelpViewerWidget.__clearHistory</h4>
370 <b>__clearHistory</b>(<i></i>)
371
372 <p>
373 Private slot to clear the history of the current viewer.
374 </p>
375 <a NAME="HelpViewerWidget.__currentFilterChanged" ID="HelpViewerWidget.__currentFilterChanged"></a>
376 <h4>HelpViewerWidget.__currentFilterChanged</h4>
377 <b>__currentFilterChanged</b>(<i>filter_</i>)
378
379 <p>
380 Private slot handling a change of the active QtHelp filter.
381 </p>
382 <dl>
383
384 <dt><i>filter_</i> (str)</dt>
385 <dd>
386 filter name
387 </dd>
388 </dl>
389 <a NAME="HelpViewerWidget.__currentPageChanged" ID="HelpViewerWidget.__currentPageChanged"></a>
390 <h4>HelpViewerWidget.__currentPageChanged</h4>
391 <b>__currentPageChanged</b>(<i></i>)
392
393 <p>
394 Private slot handling the selection of another page.
395 </p>
396 <a NAME="HelpViewerWidget.__docsInstalled" ID="HelpViewerWidget.__docsInstalled"></a>
397 <h4>HelpViewerWidget.__docsInstalled</h4>
398 <b>__docsInstalled</b>(<i>installed</i>)
399
400 <p>
401 Private slot handling the end of documentation installation.
402 </p>
403 <dl>
404
405 <dt><i>installed</i> (bool)</dt>
406 <dd>
407 flag indicating that documents were installed
408 </dd>
409 </dl>
410 <a NAME="HelpViewerWidget.__filterQtHelpDocumentation" ID="HelpViewerWidget.__filterQtHelpDocumentation"></a>
411 <h4>HelpViewerWidget.__filterQtHelpDocumentation</h4>
412 <b>__filterQtHelpDocumentation</b>(<i>index</i>)
413
414 <p>
415 Private slot to filter the QtHelp documentation.
416 </p>
417 <dl>
418
419 <dt><i>index</i> (int)</dt>
420 <dd>
421 index of the selected QtHelp documentation filter
422 </dd>
423 </dl>
424 <a NAME="HelpViewerWidget.__forward" ID="HelpViewerWidget.__forward"></a>
425 <h4>HelpViewerWidget.__forward</h4>
426 <b>__forward</b>(<i></i>)
427
428 <p>
429 Private slot to move one page foreward.
430 </p>
431 <a NAME="HelpViewerWidget.__getQtHelpCollectionFileName" ID="HelpViewerWidget.__getQtHelpCollectionFileName"></a>
432 <h4>HelpViewerWidget.__getQtHelpCollectionFileName</h4>
433 <b>__getQtHelpCollectionFileName</b>(<i></i>)
434
435 <p>
436 Private method to determine the name of the QtHelp collection file.
437 </p>
438 <dl>
439 <dt>Return:</dt>
440 <dd>
441 path of the QtHelp collection file
442 </dd>
443 </dl>
444 <dl>
445 <dt>Return Type:</dt>
446 <dd>
447 str
448 </dd>
449 </dl>
450 <a NAME="HelpViewerWidget.__helpTopicSelected" ID="HelpViewerWidget.__helpTopicSelected"></a>
451 <h4>HelpViewerWidget.__helpTopicSelected</h4>
452 <b>__helpTopicSelected</b>(<i></i>)
453
454 <p>
455 Private slot handling the selection of a new help topic.
456 </p>
457 <a NAME="HelpViewerWidget.__indexingFinished" ID="HelpViewerWidget.__indexingFinished"></a>
458 <h4>HelpViewerWidget.__indexingFinished</h4>
459 <b>__indexingFinished</b>(<i></i>)
460
461 <p>
462 Private slot handling the end of the indexing process.
463 </p>
464 <a NAME="HelpViewerWidget.__indexingStarted" ID="HelpViewerWidget.__indexingStarted"></a>
465 <h4>HelpViewerWidget.__indexingStarted</h4>
466 <b>__indexingStarted</b>(<i></i>)
467
468 <p>
469 Private slot handling the start of the indexing process.
470 </p>
471 <a NAME="HelpViewerWidget.__initActionsMenu" ID="HelpViewerWidget.__initActionsMenu"></a>
472 <h4>HelpViewerWidget.__initActionsMenu</h4>
473 <b>__initActionsMenu</b>(<i></i>)
474
475 <p>
476 Private method to initialize the actions menu.
477 </p>
478 <a NAME="HelpViewerWidget.__initFilterWidget" ID="HelpViewerWidget.__initFilterWidget"></a>
479 <h4>HelpViewerWidget.__initFilterWidget</h4>
480 <b>__initFilterWidget</b>(<i></i>)
481
482 <p>
483 Private method to initialize the filter selection widget.
484 </p>
485 <dl>
486 <dt>Return:</dt>
487 <dd>
488 reference to the generated widget
489 </dd>
490 </dl>
491 <dl>
492 <dt>Return Type:</dt>
493 <dd>
494 QWidget
495 </dd>
496 </dl>
497 <a NAME="HelpViewerWidget.__initHelpEngine" ID="HelpViewerWidget.__initHelpEngine"></a>
498 <h4>HelpViewerWidget.__initHelpEngine</h4>
499 <b>__initHelpEngine</b>(<i></i>)
500
501 <p>
502 Private method to initialize the QtHelp related stuff.
503 </p>
504 <a NAME="HelpViewerWidget.__initIndexingProgress" ID="HelpViewerWidget.__initIndexingProgress"></a>
505 <h4>HelpViewerWidget.__initIndexingProgress</h4>
506 <b>__initIndexingProgress</b>(<i></i>)
507
508 <p>
509 Private method to initialize the help documents indexing progress
510 widget.
511 </p>
512 <dl>
513 <dt>Return:</dt>
514 <dd>
515 reference to the generated widget
516 </dd>
517 </dl>
518 <dl>
519 <dt>Return Type:</dt>
520 <dd>
521 QWidget
522 </dd>
523 </dl>
524 <a NAME="HelpViewerWidget.__initQWebEngine" ID="HelpViewerWidget.__initQWebEngine"></a>
525 <h4>HelpViewerWidget.__initQWebEngine</h4>
526 <b>__initQWebEngine</b>(<i></i>)
527
528 <p>
529 Private method to initialize global QWebEngine related objects.
530 </p>
531 <a NAME="HelpViewerWidget.__initQWebEngineSettings" ID="HelpViewerWidget.__initQWebEngineSettings"></a>
532 <h4>HelpViewerWidget.__initQWebEngineSettings</h4>
533 <b>__initQWebEngineSettings</b>(<i></i>)
534
535 <p>
536 Private method to set the global web settings.
537 </p>
538 <a NAME="HelpViewerWidget.__lookForNewDocumentation" ID="HelpViewerWidget.__lookForNewDocumentation"></a>
539 <h4>HelpViewerWidget.__lookForNewDocumentation</h4>
540 <b>__lookForNewDocumentation</b>(<i></i>)
541
542 <p>
543 Private slot to look for new documentation to be loaded into the
544 help database.
545 </p>
546 <a NAME="HelpViewerWidget.__manageQtHelpDocuments" ID="HelpViewerWidget.__manageQtHelpDocuments"></a>
547 <h4>HelpViewerWidget.__manageQtHelpDocuments</h4>
548 <b>__manageQtHelpDocuments</b>(<i></i>)
549
550 <p>
551 Private slot to manage the QtHelp documentation database.
552 </p>
553 <a NAME="HelpViewerWidget.__navigationMenuActionTriggered" ID="HelpViewerWidget.__navigationMenuActionTriggered"></a>
554 <h4>HelpViewerWidget.__navigationMenuActionTriggered</h4>
555 <b>__navigationMenuActionTriggered</b>(<i>act</i>)
556
557 <p>
558 Private slot to go to the selected page.
559 </p>
560 <dl>
561
562 <dt><i>act</i> (QAction)</dt>
563 <dd>
564 reference to the action selected in the navigation menu
565 </dd>
566 </dl>
567 <a NAME="HelpViewerWidget.__newViewer" ID="HelpViewerWidget.__newViewer"></a>
568 <h4>HelpViewerWidget.__newViewer</h4>
569 <b>__newViewer</b>(<i></i>)
570
571 <p>
572 Private method to create a new help viewer.
573 </p>
574 <dl>
575 <dt>Return:</dt>
576 <dd>
577 tuple containing the reference to the created help viewer
578 object and its type
579 </dd>
580 </dl>
581 <dl>
582 <dt>Return Type:</dt>
583 <dd>
584 tuple of (HelpViewerImpl, EricTextEditType)
585 </dd>
586 </dl>
587 <a NAME="HelpViewerWidget.__openFile" ID="HelpViewerWidget.__openFile"></a>
588 <h4>HelpViewerWidget.__openFile</h4>
589 <b>__openFile</b>(<i></i>)
590
591 <p>
592 Private slot to open a local help file (*.html).
593 </p>
594 <a NAME="HelpViewerWidget.__populateHelpSelector" ID="HelpViewerWidget.__populateHelpSelector"></a>
595 <h4>HelpViewerWidget.__populateHelpSelector</h4>
596 <b>__populateHelpSelector</b>(<i></i>)
597
598 <p>
599 Private method to populate the help selection combo box.
600 </p>
601 <a NAME="HelpViewerWidget.__populateNavigationStack" ID="HelpViewerWidget.__populateNavigationStack"></a>
602 <h4>HelpViewerWidget.__populateNavigationStack</h4>
603 <b>__populateNavigationStack</b>(<i></i>)
604
605 <p>
606 Private method to populate the stack of navigation widgets.
607 </p>
608 <a NAME="HelpViewerWidget.__reload" ID="HelpViewerWidget.__reload"></a>
609 <h4>HelpViewerWidget.__reload</h4>
610 <b>__reload</b>(<i></i>)
611
612 <p>
613 Private slot to reload the current page.
614 </p>
615 <a NAME="HelpViewerWidget.__removeOldDocumentation" ID="HelpViewerWidget.__removeOldDocumentation"></a>
616 <h4>HelpViewerWidget.__removeOldDocumentation</h4>
617 <b>__removeOldDocumentation</b>(<i></i>)
618
619 <p>
620 Private slot to remove non-existing documentation from the help engine.
621 </p>
622 <a NAME="HelpViewerWidget.__searchWidgetClosed" ID="HelpViewerWidget.__searchWidgetClosed"></a>
623 <h4>HelpViewerWidget.__searchWidgetClosed</h4>
624 <b>__searchWidgetClosed</b>(<i></i>)
625
626 <p>
627 Private slot to handle the closing of the search widget.
628 </p>
629 <a NAME="HelpViewerWidget.__selectNavigationWidget" ID="HelpViewerWidget.__selectNavigationWidget"></a>
630 <h4>HelpViewerWidget.__selectNavigationWidget</h4>
631 <b>__selectNavigationWidget</b>(<i>button</i>)
632
633 <p>
634 Private slot to select the navigation widget.
635 </p>
636 <dl>
637
638 <dt><i>button</i> (QAbstractButton)</dt>
639 <dd>
640 reference to the clicked button
641 </dd>
642 </dl>
643 <a NAME="HelpViewerWidget.__setupFilterCombo" ID="HelpViewerWidget.__setupFilterCombo"></a>
644 <h4>HelpViewerWidget.__setupFilterCombo</h4>
645 <b>__setupFilterCombo</b>(<i></i>)
646
647 <p>
648 Private slot to setup the filter combo box.
649 </p>
650 <a NAME="HelpViewerWidget.__showBackMenu" ID="HelpViewerWidget.__showBackMenu"></a>
651 <h4>HelpViewerWidget.__showBackMenu</h4>
652 <b>__showBackMenu</b>(<i></i>)
653
654 <p>
655 Private slot showing the backward navigation menu.
656 </p>
657 <a NAME="HelpViewerWidget.__showForwardMenu" ID="HelpViewerWidget.__showForwardMenu"></a>
658 <h4>HelpViewerWidget.__showForwardMenu</h4>
659 <b>__showForwardMenu</b>(<i></i>)
660
661 <p>
662 Private slot showing the forward navigation menu.
663 </p>
664 <a NAME="HelpViewerWidget.__showInstallationError" ID="HelpViewerWidget.__showInstallationError"></a>
665 <h4>HelpViewerWidget.__showInstallationError</h4>
666 <b>__showInstallationError</b>(<i>message</i>)
667
668 <p>
669 Private slot to show installation errors.
670 </p>
671 <dl>
672
673 <dt><i>message</i> (str)</dt>
674 <dd>
675 message to be shown
676 </dd>
677 </dl>
678 <a NAME="HelpViewerWidget.__warning" ID="HelpViewerWidget.__warning"></a>
679 <h4>HelpViewerWidget.__warning</h4>
680 <b>__warning</b>(<i>msg</i>)
681
682 <p>
683 Private slot handling warnings of the help engine.
684 </p>
685 <dl>
686
687 <dt><i>msg</i> (str)</dt>
688 <dd>
689 message sent by the help engine
690 </dd>
691 </dl>
692 <a NAME="HelpViewerWidget.__zoomIn" ID="HelpViewerWidget.__zoomIn"></a>
693 <h4>HelpViewerWidget.__zoomIn</h4>
694 <b>__zoomIn</b>(<i></i>)
695
696 <p>
697 Private slot to zoom in.
698 </p>
699 <a NAME="HelpViewerWidget.__zoomOut" ID="HelpViewerWidget.__zoomOut"></a>
700 <h4>HelpViewerWidget.__zoomOut</h4>
701 <b>__zoomOut</b>(<i></i>)
702
703 <p>
704 Private slot to zoom out.
705 </p>
706 <a NAME="HelpViewerWidget.__zoomReset" ID="HelpViewerWidget.__zoomReset"></a>
707 <h4>HelpViewerWidget.__zoomReset</h4>
708 <b>__zoomReset</b>(<i></i>)
709
710 <p>
711 Private slot to reset the zoom level.
712 </p>
713 <a NAME="HelpViewerWidget.activate" ID="HelpViewerWidget.activate"></a>
714 <h4>HelpViewerWidget.activate</h4>
715 <b>activate</b>(<i>searchWord=None, url=None</i>)
716
717 <p>
718 Public method to activate the widget and search for a given word.
719 </p>
720 <dl>
721
722 <dt><i>searchWord</i> (str (optional))</dt>
723 <dd>
724 word to search for (defaults to None)
725 </dd>
726 <dt><i>url</i> (QUrl)</dt>
727 <dd>
728 URL to show in a new page
729 </dd>
730 </dl>
731 <a NAME="HelpViewerWidget.addPage" ID="HelpViewerWidget.addPage"></a>
732 <h4>HelpViewerWidget.addPage</h4>
733 <b>addPage</b>(<i>url=None, background=False</i>)
734
735 <p>
736 Public method to add a new help page with the given URL.
737 </p>
738 <dl>
739
740 <dt><i>url</i> (QUrl (optional))</dt>
741 <dd>
742 requested URL (defaults to QUrl("about:blank"))
743 </dd>
744 <dt><i>background</i> (bool (optional))</dt>
745 <dd>
746 flag indicating to open the page in the background
747 (defaults to False)
748 </dd>
749 </dl>
750 <dl>
751 <dt>Return:</dt>
752 <dd>
753 reference to the created page
754 </dd>
755 </dl>
756 <dl>
757 <dt>Return Type:</dt>
758 <dd>
759 HelpViewerImpl
760 </dd>
761 </dl>
762 <a NAME="HelpViewerWidget.closeAllPages" ID="HelpViewerWidget.closeAllPages"></a>
763 <h4>HelpViewerWidget.closeAllPages</h4>
764 <b>closeAllPages</b>(<i></i>)
765
766 <p>
767 Public slot to close all pages.
768 </p>
769 <a NAME="HelpViewerWidget.closeCurrentPage" ID="HelpViewerWidget.closeCurrentPage"></a>
770 <h4>HelpViewerWidget.closeCurrentPage</h4>
771 <b>closeCurrentPage</b>(<i></i>)
772
773 <p>
774 Public slot to close the current page.
775 </p>
776 <a NAME="HelpViewerWidget.closeOtherPages" ID="HelpViewerWidget.closeOtherPages"></a>
777 <h4>HelpViewerWidget.closeOtherPages</h4>
778 <b>closeOtherPages</b>(<i></i>)
779
780 <p>
781 Public slot to close all other pages.
782 </p>
783 <a NAME="HelpViewerWidget.currentViewer" ID="HelpViewerWidget.currentViewer"></a>
784 <h4>HelpViewerWidget.currentViewer</h4>
785 <b>currentViewer</b>(<i></i>)
786
787 <p>
788 Public method to get the active viewer.
789 </p>
790 <dl>
791 <dt>Return:</dt>
792 <dd>
793 reference to the active help viewer
794 </dd>
795 </dl>
796 <dl>
797 <dt>Return Type:</dt>
798 <dd>
799 HelpViewerImpl
800 </dd>
801 </dl>
802 <a NAME="HelpViewerWidget.openPagesCount" ID="HelpViewerWidget.openPagesCount"></a>
803 <h4>HelpViewerWidget.openPagesCount</h4>
804 <b>openPagesCount</b>(<i></i>)
805
806 <p>
807 Public method to get the count of open pages.
808 </p>
809 <dl>
810 <dt>Return:</dt>
811 <dd>
812 count of open pages
813 </dd>
814 </dl>
815 <dl>
816 <dt>Return Type:</dt>
817 <dd>
818 int
819 </dd>
820 </dl>
821 <a NAME="HelpViewerWidget.openUrl" ID="HelpViewerWidget.openUrl"></a>
822 <h4>HelpViewerWidget.openUrl</h4>
823 <b>openUrl</b>(<i>url</i>)
824
825 <p>
826 Public slot to load a URL in the current page.
827 </p>
828 <dl>
829
830 <dt><i>url</i> (QUrl)</dt>
831 <dd>
832 URL to be opened
833 </dd>
834 </dl>
835 <a NAME="HelpViewerWidget.openUrlNewBackgroundPage" ID="HelpViewerWidget.openUrlNewBackgroundPage"></a>
836 <h4>HelpViewerWidget.openUrlNewBackgroundPage</h4>
837 <b>openUrlNewBackgroundPage</b>(<i>url</i>)
838
839 <p>
840 Public slot to load a URL in a new background page.
841 </p>
842 <dl>
843
844 <dt><i>url</i> (QUrl)</dt>
845 <dd>
846 URL to be opened
847 </dd>
848 </dl>
849 <a NAME="HelpViewerWidget.openUrlNewPage" ID="HelpViewerWidget.openUrlNewPage"></a>
850 <h4>HelpViewerWidget.openUrlNewPage</h4>
851 <b>openUrlNewPage</b>(<i>url</i>)
852
853 <p>
854 Public slot to load a URL in a new page.
855 </p>
856 <dl>
857
858 <dt><i>url</i> (QUrl)</dt>
859 <dd>
860 URL to be opened
861 </dd>
862 </dl>
863 <a NAME="HelpViewerWidget.searchNext" ID="HelpViewerWidget.searchNext"></a>
864 <h4>HelpViewerWidget.searchNext</h4>
865 <b>searchNext</b>(<i></i>)
866
867 <p>
868 Public slot to find the next occurrence of the current search term.
869 </p>
870 <a NAME="HelpViewerWidget.searchPrev" ID="HelpViewerWidget.searchPrev"></a>
871 <h4>HelpViewerWidget.searchPrev</h4>
872 <b>searchPrev</b>(<i></i>)
873
874 <p>
875 Public slot to find the previous occurrence of the current search term.
876 </p>
877 <a NAME="HelpViewerWidget.searchQtHelp" ID="HelpViewerWidget.searchQtHelp"></a>
878 <h4>HelpViewerWidget.searchQtHelp</h4>
879 <b>searchQtHelp</b>(<i>searchExpression</i>)
880
881 <p>
882 Public slot to search for a given search expression.
883 </p>
884 <dl>
885
886 <dt><i>searchExpression</i> (str)</dt>
887 <dd>
888 expression to search for
889 </dd>
890 </dl>
891 <a NAME="HelpViewerWidget.showHideSearch" ID="HelpViewerWidget.showHideSearch"></a>
892 <h4>HelpViewerWidget.showHideSearch</h4>
893 <b>showHideSearch</b>(<i>visible</i>)
894
895 <p>
896 Public slot to show or hide the search widget.
897 </p>
898 <dl>
899
900 <dt><i>visible</i> (bool)</dt>
901 <dd>
902 flag indicating to show or hide the search widget
903 </dd>
904 </dl>
905 <a NAME="HelpViewerWidget.shutdown" ID="HelpViewerWidget.shutdown"></a>
906 <h4>HelpViewerWidget.shutdown</h4>
907 <b>shutdown</b>(<i></i>)
908
909 <p>
910 Public method to perform shut down actions.
911 </p>
912 <a NAME="HelpViewerWidget.webProfile" ID="HelpViewerWidget.webProfile"></a>
913 <h4>HelpViewerWidget.webProfile</h4>
914 <b>webProfile</b>(<i></i>)
915
916 <p>
917 Public method to get a reference to the global web profile object.
918 </p>
919 <dl>
920 <dt>Return:</dt>
921 <dd>
922 reference to the global web profile object
923 </dd>
924 </dl>
925 <dl>
926 <dt>Return Type:</dt>
927 <dd>
928 QWebEngineProfile
929 </dd>
930 </dl>
931 <a NAME="HelpViewerWidget.webSettings" ID="HelpViewerWidget.webSettings"></a>
932 <h4>HelpViewerWidget.webSettings</h4>
933 <b>webSettings</b>(<i></i>)
934
935 <p>
936 Public method to get the web settings of the current profile.
937 </p>
938 <dl>
939 <dt>Return:</dt>
940 <dd>
941 web settings of the current profile
942 </dd>
943 </dl>
944 <dl>
945 <dt>Return Type:</dt>
946 <dd>
947 QWebEngineSettings
948 </dd>
949 </dl>
950 <div align="right"><a href="#top">Up</a></div>
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