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1// Search script generated by doxygen
2// Copyright (C) 2009 by Dimitri van Heesch.
3
4// The code in this file is loosly based on main.js, part of Natural Docs,
5// which is Copyright (C) 2003-2008 Greg Valure
6// Natural Docs is licensed under the GPL.
7
8var indexSectionsWithContent =
9{
10 0: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010111111111111111111111111110001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
11 1: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000101100001001110111110101000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
12 2: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
13 3: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000101111011011100111110100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
14 4: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111111101111111111111100001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
15 5: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111111111111101111111110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
16 6: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000101101001001110101111100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
17 7: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
18 8: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111001011110101111110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
19 9: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000001001100000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
20 10: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010110001001000100101000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
21};
22
23var indexSectionNames =
24{
25 0: "all",
26 1: "classes",
27 2: "namespaces",
28 3: "files",
29 4: "functions",
30 5: "variables",
31 6: "typedefs",
32 7: "enums",
33 8: "enumvalues",
34 9: "related",
35 10: "defines"
36};
37
38function convertToId(search)
39{
40 var result = '';
41 for (i=0;i<search.length;i++)
42 {
43 var c = search.charAt(i);
44 var cn = c.charCodeAt(0);
45 if (c.match(/[a-z0-9]/))
46 {
47 result+=c;
48 }
49 else if (cn<16)
50 {
51 result+="_0"+cn.toString(16);
52 }
53 else
54 {
55 result+="_"+cn.toString(16);
56 }
57 }
58 return result;
59}
60
61function getXPos(item)
62{
63 var x = 0;
64 if (item.offsetWidth)
65 {
66 while (item && item!=document.body)
67 {
68 x += item.offsetLeft;
69 item = item.offsetParent;
70 }
71 }
72 return x;
73}
74
75function getYPos(item)
76{
77 var y = 0;
78 if (item.offsetWidth)
79 {
80 while (item && item!=document.body)
81 {
82 y += item.offsetTop;
83 item = item.offsetParent;
84 }
85 }
86 return y;
87}
88
89/* A class handling everything associated with the search panel.
90
91 Parameters:
92 name - The name of the global variable that will be
93 storing this instance. Is needed to be able to set timeouts.
94 resultPath - path to use for external files
95*/
96function SearchBox(name, resultsPath, inFrame, label)
97{
98 if (!name || !resultsPath) { alert("Missing parameters to SearchBox."); }
99
100 // ---------- Instance variables
101 this.name = name;
102 this.resultsPath = resultsPath;
103 this.keyTimeout = 0;
104 this.keyTimeoutLength = 500;
105 this.closeSelectionTimeout = 300;
106 this.lastSearchValue = "";
107 this.lastResultsPage = "";
108 this.hideTimeout = 0;
109 this.searchIndex = 0;
110 this.searchActive = false;
111 this.insideFrame = inFrame;
112 this.searchLabel = label;
113
114 // ----------- DOM Elements
115
116 this.DOMSearchField = function()
117 { return document.getElementById("MSearchField"); }
118
119 this.DOMSearchSelect = function()
120 { return document.getElementById("MSearchSelect"); }
121
122 this.DOMSearchSelectWindow = function()
123 { return document.getElementById("MSearchSelectWindow"); }
124
125 this.DOMPopupSearchResults = function()
126 { return document.getElementById("MSearchResults"); }
127
128 this.DOMPopupSearchResultsWindow = function()
129 { return document.getElementById("MSearchResultsWindow"); }
130
131 this.DOMSearchClose = function()
132 { return document.getElementById("MSearchClose"); }
133
134 this.DOMSearchBox = function()
135 { return document.getElementById("MSearchBox"); }
136
137 // ------------ Event Handlers
138
139 // Called when focus is added or removed from the search field.
140 this.OnSearchFieldFocus = function(isActive)
141 {
142 this.Activate(isActive);
143 }
144
145 this.OnSearchSelectShow = function()
146 {
147 var searchSelectWindow = this.DOMSearchSelectWindow();
148 var searchField = this.DOMSearchSelect();
149
150 if (this.insideFrame)
151 {
152 var left = getXPos(searchField);
153 var top = getYPos(searchField);
154 left += searchField.offsetWidth + 6;
155 top += searchField.offsetHeight;
156
157 // show search selection popup
158 searchSelectWindow.style.display='block';
159 left -= searchSelectWindow.offsetWidth;
160 searchSelectWindow.style.left = left + 'px';
161 searchSelectWindow.style.top = top + 'px';
162 }
163 else
164 {
165 var left = getXPos(searchField);
166 var top = getYPos(searchField);
167 top += searchField.offsetHeight;
168
169 // show search selection popup
170 searchSelectWindow.style.display='block';
171 searchSelectWindow.style.left = left + 'px';
172 searchSelectWindow.style.top = top + 'px';
173 }
174
175 // stop selection hide timer
176 if (this.hideTimeout)
177 {
178 clearTimeout(this.hideTimeout);
179 this.hideTimeout=0;
180 }
181 return false; // to avoid "image drag" default event
182 }
183
184 this.OnSearchSelectHide = function()
185 {
186 this.hideTimeout = setTimeout(this.name +".CloseSelectionWindow()",
187 this.closeSelectionTimeout);
188 }
189
190 // Called when the content of the search field is changed.
191 this.OnSearchFieldChange = function(evt)
192 {
193 if (this.keyTimeout) // kill running timer
194 {
195 clearTimeout(this.keyTimeout);
196 this.keyTimeout = 0;
197 }
198
199 var e = (evt) ? evt : window.event; // for IE
200 if (e.keyCode==40 || e.keyCode==13)
201 {
202 if (e.shiftKey==1)
203 {
204 this.OnSearchSelectShow();
205 var win=this.DOMSearchSelectWindow();
206 for (i=0;i<win.childNodes.length;i++)
207 {
208 var child = win.childNodes[i]; // get span within a
209 if (child.className=='SelectItem')
210 {
211 child.focus();
212 return;
213 }
214 }
215 return;
216 }
217 else if (window.frames.MSearchResults.searchResults)
218 {
219 var elem = window.frames.MSearchResults.searchResults.NavNext(0);
220 if (elem) elem.focus();
221 }
222 }
223 else if (e.keyCode==27) // Escape out of the search field
224 {
225 this.DOMSearchField().blur();
226 this.DOMPopupSearchResultsWindow().style.display = 'none';
227 this.DOMSearchClose().style.display = 'none';
228 this.lastSearchValue = '';
229 this.Activate(false);
230 return;
231 }
232
233 // strip whitespaces
234 var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
235
236 if (searchValue != this.lastSearchValue) // search value has changed
237 {
238 if (searchValue != "") // non-empty search
239 {
240 // set timer for search update
241 this.keyTimeout = setTimeout(this.name + '.Search()',
242 this.keyTimeoutLength);
243 }
244 else // empty search field
245 {
246 this.DOMPopupSearchResultsWindow().style.display = 'none';
247 this.DOMSearchClose().style.display = 'none';
248 this.lastSearchValue = '';
249 }
250 }
251 }
252
253 this.SelectItemCount = function(id)
254 {
255 var count=0;
256 var win=this.DOMSearchSelectWindow();
257 for (i=0;i<win.childNodes.length;i++)
258 {
259 var child = win.childNodes[i]; // get span within a
260 if (child.className=='SelectItem')
261 {
262 count++;
263 }
264 }
265 return count;
266 }
267
268 this.SelectItemSet = function(id)
269 {
270 var i,j=0;
271 var win=this.DOMSearchSelectWindow();
272 for (i=0;i<win.childNodes.length;i++)
273 {
274 var child = win.childNodes[i]; // get span within a
275 if (child.className=='SelectItem')
276 {
277 var node = child.firstChild;
278 if (j==id)
279 {
280 node.innerHTML='&#8226;';
281 }
282 else
283 {
284 node.innerHTML='&#160;';
285 }
286 j++;
287 }
288 }
289 }
290
291 // Called when an search filter selection is made.
292 // set item with index id as the active item
293 this.OnSelectItem = function(id)
294 {
295 this.searchIndex = id;
296 this.SelectItemSet(id);
297 var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
298 if (searchValue!="" && this.searchActive) // something was found -> do a search
299 {
300 this.Search();
301 }
302 }
303
304 this.OnSearchSelectKey = function(evt)
305 {
306 var e = (evt) ? evt : window.event; // for IE
307 if (e.keyCode==40 && this.searchIndex<this.SelectItemCount()) // Down
308 {
309 this.searchIndex++;
310 this.OnSelectItem(this.searchIndex);
311 }
312 else if (e.keyCode==38 && this.searchIndex>0) // Up
313 {
314 this.searchIndex--;
315 this.OnSelectItem(this.searchIndex);
316 }
317 else if (e.keyCode==13 || e.keyCode==27)
318 {
319 this.OnSelectItem(this.searchIndex);
320 this.CloseSelectionWindow();
321 this.DOMSearchField().focus();
322 }
323 return false;
324 }
325
326 // --------- Actions
327
328 // Closes the results window.
329 this.CloseResultsWindow = function()
330 {
331 this.DOMPopupSearchResultsWindow().style.display = 'none';
332 this.DOMSearchClose().style.display = 'none';
333 this.Activate(false);
334 }
335
336 this.CloseSelectionWindow = function()
337 {
338 this.DOMSearchSelectWindow().style.display = 'none';
339 }
340
341 // Performs a search.
342 this.Search = function()
343 {
344 this.keyTimeout = 0;
345
346 // strip leading whitespace
347 var searchValue = this.DOMSearchField().value.replace(/^ +/, "");
348
349 var code = searchValue.toLowerCase().charCodeAt(0);
350 var hexCode;
351 if (code<16)
352 {
353 hexCode="0"+code.toString(16);
354 }
355 else
356 {
357 hexCode=code.toString(16);
358 }
359
360 var resultsPage;
361 var resultsPageWithSearch;
362 var hasResultsPage;
363
364 if (indexSectionsWithContent[this.searchIndex].charAt(code) == '1')
365 {
366 resultsPage = this.resultsPath + '/' + indexSectionNames[this.searchIndex] + '_' + hexCode + '.html';
367 resultsPageWithSearch = resultsPage+'?'+escape(searchValue);
368 hasResultsPage = true;
369 }
370 else // nothing available for this search term
371 {
372 resultsPage = this.resultsPath + '/nomatches.html';
373 resultsPageWithSearch = resultsPage;
374 hasResultsPage = false;
375 }
376
377 window.frames.MSearchResults.location = resultsPageWithSearch;
378 var domPopupSearchResultsWindow = this.DOMPopupSearchResultsWindow();
379
380 if (domPopupSearchResultsWindow.style.display!='block')
381 {
382 var domSearchBox = this.DOMSearchBox();
383 this.DOMSearchClose().style.display = 'inline';
384 if (this.insideFrame)
385 {
386 var domPopupSearchResults = this.DOMPopupSearchResults();
387 domPopupSearchResultsWindow.style.position = 'relative';
388 domPopupSearchResultsWindow.style.display = 'block';
389 var width = document.body.clientWidth - 8; // the -8 is for IE :-(
390 domPopupSearchResultsWindow.style.width = width + 'px';
391 domPopupSearchResults.style.width = width + 'px';
392 }
393 else
394 {
395 var domPopupSearchResults = this.DOMPopupSearchResults();
396 var left = getXPos(domSearchBox) + 150; // domSearchBox.offsetWidth;
397 var top = getYPos(domSearchBox) + 20; // domSearchBox.offsetHeight + 1;
398 domPopupSearchResultsWindow.style.display = 'block';
399 left -= domPopupSearchResults.offsetWidth;
400 domPopupSearchResultsWindow.style.top = top + 'px';
401 domPopupSearchResultsWindow.style.left = left + 'px';
402 }
403 }
404
405 this.lastSearchValue = searchValue;
406 this.lastResultsPage = resultsPage;
407 }
408
409 // -------- Activation Functions
410
411 // Activates or deactivates the search panel, resetting things to
412 // their default values if necessary.
413 this.Activate = function(isActive)
414 {
415 if (isActive || // open it
416 this.DOMPopupSearchResultsWindow().style.display == 'block'
417 )
418 {
419 this.DOMSearchBox().className = 'MSearchBoxActive';
420
421 var searchField = this.DOMSearchField();
422
423 if (searchField.value == this.searchLabel) // clear "Search" term upon entry
424 {
425 searchField.value = '';
426 this.searchActive = true;
427 }
428 }
429 else if (!isActive) // directly remove the panel
430 {
431 this.DOMSearchBox().className = 'MSearchBoxInactive';
432 this.DOMSearchField().value = this.searchLabel;
433 this.searchActive = false;
434 this.lastSearchValue = ''
435 this.lastResultsPage = '';
436 }
437 }
438}
439
440// -----------------------------------------------------------------------
441
442// The class that handles everything on the search results page.
443function SearchResults(name)
444{
445 // The number of matches from the last run of <Search()>.
446 this.lastMatchCount = 0;
447 this.lastKey = 0;
448 this.repeatOn = false;
449
450 // Toggles the visibility of the passed element ID.
451 this.FindChildElement = function(id)
452 {
453 var parentElement = document.getElementById(id);
454 var element = parentElement.firstChild;
455
456 while (element && element!=parentElement)
457 {
458 if (element.nodeName == 'DIV' && element.className == 'SRChildren')
459 {
460 return element;
461 }
462
463 if (element.nodeName == 'DIV' && element.hasChildNodes())
464 {
465 element = element.firstChild;
466 }
467 else if (element.nextSibling)
468 {
469 element = element.nextSibling;
470 }
471 else
472 {
473 do
474 {
475 element = element.parentNode;
476 }
477 while (element && element!=parentElement && !element.nextSibling);
478
479 if (element && element!=parentElement)
480 {
481 element = element.nextSibling;
482 }
483 }
484 }
485 }
486
487 this.Toggle = function(id)
488 {
489 var element = this.FindChildElement(id);
490 if (element)
491 {
492 if (element.style.display == 'block')
493 {
494 element.style.display = 'none';
495 }
496 else
497 {
498 element.style.display = 'block';
499 }
500 }
501 }
502
503 // Searches for the passed string. If there is no parameter,
504 // it takes it from the URL query.
505 //
506 // Always returns true, since other documents may try to call it
507 // and that may or may not be possible.
508 this.Search = function(search)
509 {
510 if (!search) // get search word from URL
511 {
512 search = window.location.search;
513 search = search.substring(1); // Remove the leading '?'
514 search = unescape(search);
515 }
516
517 search = search.replace(/^ +/, ""); // strip leading spaces
518 search = search.replace(/ +$/, ""); // strip trailing spaces
519 search = search.toLowerCase();
520 search = convertToId(search);
521
522 var resultRows = document.getElementsByTagName("div");
523 var matches = 0;
524
525 var i = 0;
526 while (i < resultRows.length)
527 {
528 var row = resultRows.item(i);
529 if (row.className == "SRResult")
530 {
531 var rowMatchName = row.id.toLowerCase();
532 rowMatchName = rowMatchName.replace(/^sr\d*_/, ''); // strip 'sr123_'
533
534 if (search.length<=rowMatchName.length &&
535 rowMatchName.substr(0, search.length)==search)
536 {
537 row.style.display = 'block';
538 matches++;
539 }
540 else
541 {
542 row.style.display = 'none';
543 }
544 }
545 i++;
546 }
547 document.getElementById("Searching").style.display='none';
548 if (matches == 0) // no results
549 {
550 document.getElementById("NoMatches").style.display='block';
551 }
552 else // at least one result
553 {
554 document.getElementById("NoMatches").style.display='none';
555 }
556 this.lastMatchCount = matches;
557 return true;
558 }
559
560 // return the first item with index index or higher that is visible
561 this.NavNext = function(index)
562 {
563 var focusItem;
564 while (1)
565 {
566 var focusName = 'Item'+index;
567 focusItem = document.getElementById(focusName);
568 if (focusItem && focusItem.parentNode.parentNode.style.display=='block')
569 {
570 break;
571 }
572 else if (!focusItem) // last element
573 {
574 break;
575 }
576 focusItem=null;
577 index++;
578 }
579 return focusItem;
580 }
581
582 this.NavPrev = function(index)
583 {
584 var focusItem;
585 while (1)
586 {
587 var focusName = 'Item'+index;
588 focusItem = document.getElementById(focusName);
589 if (focusItem && focusItem.parentNode.parentNode.style.display=='block')
590 {
591 break;
592 }
593 else if (!focusItem) // last element
594 {
595 break;
596 }
597 focusItem=null;
598 index--;
599 }
600 return focusItem;
601 }
602
603 this.ProcessKeys = function(e)
604 {
605 if (e.type == "keydown")
606 {
607 this.repeatOn = false;
608 this.lastKey = e.keyCode;
609 }
610 else if (e.type == "keypress")
611 {
612 if (!this.repeatOn)
613 {
614 if (this.lastKey) this.repeatOn = true;
615 return false; // ignore first keypress after keydown
616 }
617 }
618 else if (e.type == "keyup")
619 {
620 this.lastKey = 0;
621 this.repeatOn = false;
622 }
623 return this.lastKey!=0;
624 }
625
626 this.Nav = function(evt,itemIndex)
627 {
628 var e = (evt) ? evt : window.event; // for IE
629 if (e.keyCode==13) return true;
630 if (!this.ProcessKeys(e)) return false;
631
632 if (this.lastKey==38) // Up
633 {
634 var newIndex = itemIndex-1;
635 var focusItem = this.NavPrev(newIndex);
636 if (focusItem)
637 {
638 var child = this.FindChildElement(focusItem.parentNode.parentNode.id);
639 if (child && child.style.display == 'block') // children visible
640 {
641 var n=0;
642 var tmpElem;
643 while (1) // search for last child
644 {
645 tmpElem = document.getElementById('Item'+newIndex+'_c'+n);
646 if (tmpElem)
647 {
648 focusItem = tmpElem;
649 }
650 else // found it!
651 {
652 break;
653 }
654 n++;
655 }
656 }
657 }
658 if (focusItem)
659 {
660 focusItem.focus();
661 }
662 else // return focus to search field
663 {
664 parent.document.getElementById("MSearchField").focus();
665 }
666 }
667 else if (this.lastKey==40) // Down
668 {
669 var newIndex = itemIndex+1;
670 var focusItem;
671 var item = document.getElementById('Item'+itemIndex);
672 var elem = this.FindChildElement(item.parentNode.parentNode.id);
673 if (elem && elem.style.display == 'block') // children visible
674 {
675 focusItem = document.getElementById('Item'+itemIndex+'_c0');
676 }
677 if (!focusItem) focusItem = this.NavNext(newIndex);
678 if (focusItem) focusItem.focus();
679 }
680 else if (this.lastKey==39) // Right
681 {
682 var item = document.getElementById('Item'+itemIndex);
683 var elem = this.FindChildElement(item.parentNode.parentNode.id);
684 if (elem) elem.style.display = 'block';
685 }
686 else if (this.lastKey==37) // Left
687 {
688 var item = document.getElementById('Item'+itemIndex);
689 var elem = this.FindChildElement(item.parentNode.parentNode.id);
690 if (elem) elem.style.display = 'none';
691 }
692 else if (this.lastKey==27) // Escape
693 {
694 parent.searchBox.CloseResultsWindow();
695 parent.document.getElementById("MSearchField").focus();
696 }
697 else if (this.lastKey==13) // Enter
698 {
699 return true;
700 }
701 return false;
702 }
703
704 this.NavChild = function(evt,itemIndex,childIndex)
705 {
706 var e = (evt) ? evt : window.event; // for IE
707 if (e.keyCode==13) return true;
708 if (!this.ProcessKeys(e)) return false;
709
710 if (this.lastKey==38) // Up
711 {
712 if (childIndex>0)
713 {
714 var newIndex = childIndex-1;
715 document.getElementById('Item'+itemIndex+'_c'+newIndex).focus();
716 }
717 else // already at first child, jump to parent
718 {
719 document.getElementById('Item'+itemIndex).focus();
720 }
721 }
722 else if (this.lastKey==40) // Down
723 {
724 var newIndex = childIndex+1;
725 var elem = document.getElementById('Item'+itemIndex+'_c'+newIndex);
726 if (!elem) // last child, jump to parent next parent
727 {
728 elem = this.NavNext(itemIndex+1);
729 }
730 if (elem)
731 {
732 elem.focus();
733 }
734 }
735 else if (this.lastKey==27) // Escape
736 {
737 parent.searchBox.CloseResultsWindow();
738 parent.document.getElementById("MSearchField").focus();
739 }
740 else if (this.lastKey==13) // Enter
741 {
742 return true;
743 }
744 return false;
745 }
746}
generated by cgit v1.1 at 2024-11-03 23:33:30 +0000