completion.cpp 28 KB

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  1. /*
  2. ktigcc - TIGCC IDE for KDE
  3. Copyright (C) 2006-2007 Kevin Kofler
  4. Copyright (C) 2007 Konrad Meyer
  5. This program is free software; you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation; either version 2, or (at your option)
  8. any later version.
  9. This program is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU General Public License for more details.
  13. You should have received a copy of the GNU General Public License
  14. along with this program; if not, write to the Free Software Foundation,
  15. Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  16. */
  17. #include <QString>
  18. #include <QList>
  19. #include <QLinkedList>
  20. #include <QPair>
  21. #include <QPoint>
  22. #include <QRegExp>
  23. #include <QFileInfo>
  24. #include <QDir>
  25. #include <QApplication>
  26. #include <QWidget>
  27. #include <QEvent>
  28. #include <Q3PopupMenu>
  29. #include <kmessagebox.h>
  30. #include <ktexteditor/view.h>
  31. #include <ktexteditor/document.h>
  32. #include <ktexteditor/codecompletionmodel.h>
  33. #include <ktexteditor/codecompletioninterface.h>
  34. #include <kconfig.h>
  35. #include <kconfiggroup.h>
  36. #include <cstring>
  37. #include "completion.h"
  38. #include "parsing.h"
  39. #include "preferences.h"
  40. #include "mainform.h"
  41. #include "tpr.h"
  42. // Maps file name to a CompletionInfo.
  43. QMap<QString,CompletionInfo> systemHeaderCompletion, projectCompletion;
  44. static void resetSearchedFlags(void)
  45. {
  46. for (QMap<QString,CompletionInfo>::Iterator it=projectCompletion.begin();
  47. it!=projectCompletion.end(); ++it)
  48. (*it).searched=false;
  49. for (QMap<QString,CompletionInfo>::Iterator it=systemHeaderCompletion.begin();
  50. it!=systemHeaderCompletion.end(); ++it)
  51. (*it).searched=false;
  52. }
  53. static void findSymbolInSystemHeaders(const QString &symbol,
  54. const QStringList &systemHeaders,
  55. QString &symbolFile,
  56. unsigned &symbolLine,
  57. bool &systemHeader)
  58. {
  59. foreach (const QString &headerName, systemHeaders) {
  60. // Avoid infinite recursion.
  61. if (systemHeaderCompletion.contains(headerName)
  62. && !systemHeaderCompletion[headerName].searched) {
  63. CompletionInfo &completionInfo=systemHeaderCompletion[headerName];
  64. completionInfo.searched=true;
  65. if (completionInfo.lineNumbers.contains(symbol)) {
  66. symbolFile=headerName;
  67. symbolLine=completionInfo.lineNumbers[symbol];
  68. systemHeader=true;
  69. return;
  70. } else {
  71. findSymbolInSystemHeaders(symbol,completionInfo.includedSystem,
  72. symbolFile,symbolLine,systemHeader);
  73. if (!symbolFile.isNull()) return;
  74. }
  75. }
  76. }
  77. }
  78. static bool findSymbolInFileRecursive(const QString &symbol,
  79. const QString &fileText,
  80. const QString &fileName,
  81. MainForm *mainForm,
  82. QString &symbolFile,
  83. unsigned &symbolLine,
  84. bool &systemHeader)
  85. {
  86. symbolFile=QString::null;
  87. systemHeader=false;
  88. if (!projectCompletion.contains(fileName) || projectCompletion[fileName].dirty) {
  89. QFileInfo fileInfo(fileName);
  90. QString pathInProject=fileInfo.isRelative()?fileInfo.path():".";
  91. CompletionInfo completionInfo=parseFileCompletion(fileText,pathInProject);
  92. if (completionInfo.dirty) return false;
  93. projectCompletion.insert(fileName,completionInfo);
  94. }
  95. CompletionInfo &completionInfo=projectCompletion[fileName];
  96. // Avoid infinite recursion.
  97. if (completionInfo.searched) return true;
  98. completionInfo.searched=true;
  99. if (completionInfo.lineNumbers.contains(symbol)) {
  100. symbolFile=fileName;
  101. symbolLine=completionInfo.lineNumbers[symbol];
  102. return true;
  103. }
  104. foreach (const QString &headerName, completionInfo.included) {
  105. QString headerText=mainForm->textForHeader(headerName);
  106. if (!headerText.isNull()) {
  107. if (!findSymbolInFileRecursive(symbol,headerText,headerName,mainForm,
  108. symbolFile,symbolLine,systemHeader))
  109. return false;
  110. if (!symbolFile.isNull()) return true;
  111. }
  112. }
  113. findSymbolInSystemHeaders(symbol,completionInfo.includedSystem,symbolFile,
  114. symbolLine,systemHeader);
  115. return true;
  116. }
  117. bool findSymbolInFile(const QString &symbol,
  118. const QString &fileText,
  119. const QString &fileName,
  120. MainForm *mainForm,
  121. QString &symbolFile,
  122. unsigned &symbolLine,
  123. bool &systemHeader)
  124. {
  125. resetSearchedFlags();
  126. return findSymbolInFileRecursive(symbol,fileText,fileName,mainForm,symbolFile,
  127. symbolLine,systemHeader);
  128. }
  129. static void mergeCompletionEntries(QList<CompletionEntry> &dest,
  130. const QList<CompletionEntry> &src)
  131. {
  132. foreach (const CompletionEntry &entry, src) dest.append(entry);
  133. }
  134. static void completionEntriesForSystemHeaders(const QStringList &systemHeaders,
  135. QList<CompletionEntry> &result)
  136. {
  137. foreach (const QString &headerName, systemHeaders) {
  138. // Avoid infinite recursion.
  139. if (systemHeaderCompletion.contains(headerName)
  140. && !systemHeaderCompletion[headerName].searched) {
  141. CompletionInfo &completionInfo=systemHeaderCompletion[headerName];
  142. completionInfo.searched=true;
  143. mergeCompletionEntries(result,completionInfo.entries);
  144. completionEntriesForSystemHeaders(completionInfo.includedSystem,result);
  145. }
  146. }
  147. }
  148. static bool completionEntriesForFileRecursive(const QString &fileText,
  149. const QString &fileName,
  150. MainForm *mainForm,
  151. QList<CompletionEntry> &result)
  152. {
  153. if (!projectCompletion.contains(fileName) || projectCompletion[fileName].dirty) {
  154. QFileInfo fileInfo(fileName);
  155. QString pathInProject=fileInfo.isRelative()?fileInfo.path():".";
  156. CompletionInfo completionInfo=parseFileCompletion(fileText,pathInProject);
  157. if (completionInfo.dirty) return false;
  158. projectCompletion.insert(fileName,completionInfo);
  159. }
  160. CompletionInfo &completionInfo=projectCompletion[fileName];
  161. // Avoid infinite recursion.
  162. if (completionInfo.searched) return true;
  163. completionInfo.searched=true;
  164. mergeCompletionEntries(result,completionInfo.entries);
  165. completionEntriesForSystemHeaders(completionInfo.includedSystem,result);
  166. foreach (const QString &headerName, completionInfo.included) {
  167. QString headerText=mainForm->textForHeader(headerName);
  168. if (!headerText.isNull())
  169. if (!completionEntriesForFileRecursive(headerText,headerName,mainForm,result))
  170. return false;
  171. }
  172. return true;
  173. }
  174. bool completionEntriesForFile(const QString &fileText,
  175. const QString &fileName,
  176. MainForm *mainForm,
  177. QList<CompletionEntry> &result)
  178. {
  179. resetSearchedFlags();
  180. return completionEntriesForFileRecursive(fileText,fileName,mainForm,result);
  181. }
  182. static QList<CompletionEntry> sortCompletionEntries(
  183. const QList<CompletionEntry> &entries)
  184. {
  185. QMap<QString,QList<CompletionEntry> > map;
  186. foreach (const CompletionEntry &entry, entries) {
  187. QList<CompletionEntry> &list=map[entry.text];
  188. if (!list.contains(entry)) list.append(entry);
  189. }
  190. QList<CompletionEntry> result;
  191. foreach (const QList<CompletionEntry> &entries, map)
  192. mergeCompletionEntries(result,entries);
  193. return result;
  194. }
  195. static QStringList prototypesForIdentifier(const QString &identifier,
  196. const QList<CompletionEntry> &entries)
  197. {
  198. QStringList result;
  199. QStringList reservedIdentifiers=QString("__alignof__\n"
  200. "__asm__\n"
  201. "__attribute__\n"
  202. "__complex__\n"
  203. "__const__\n"
  204. "__extension__\n"
  205. "__imag__\n"
  206. "__inline__\n"
  207. "__label__\n"
  208. "__real__\n"
  209. "__typeof__\n"
  210. "asm\n"
  211. "auto\n"
  212. "break\n"
  213. "case\n"
  214. "char\n"
  215. "const\n"
  216. "continue\n"
  217. "default\n"
  218. "do\n"
  219. "double\n"
  220. "else\n"
  221. "enum\n"
  222. "extern\n"
  223. "float\n"
  224. "for\n"
  225. "goto\n"
  226. "if\n"
  227. "inline\n"
  228. "int\n"
  229. "long\n"
  230. "register\n"
  231. "return\n"
  232. "short\n"
  233. "signed\n"
  234. "sizeof\n"
  235. "static\n"
  236. "struct\n"
  237. "switch\n"
  238. "typedef\n"
  239. "typeof\n"
  240. "union\n"
  241. "unsigned\n"
  242. "void\n"
  243. "volatile\n"
  244. "while\n").split('\n',QString::SkipEmptyParts);
  245. if (!reservedIdentifiers.contains(identifier)) {
  246. foreach (const CompletionEntry &entry, entries) {
  247. if (entry.text==identifier) {
  248. QString prototype=entry.prefix+' '+entry.text+entry.postfix;
  249. if (result.find(prototype)==result.end()) result.append(prototype);
  250. }
  251. }
  252. if (result.isEmpty()) {
  253. // Try approximate matching.
  254. unsigned identifierLength=identifier.length();
  255. if (identifierLength>=4) {
  256. QString identifierUpper=identifier.toUpper();
  257. QLinkedList<unsigned> distances;
  258. foreach (const CompletionEntry &entry, entries) {
  259. QString entryText=entry.text;
  260. unsigned entryTextLength=entryText.length();
  261. unsigned minLength=qMin(identifierLength,entryTextLength);
  262. unsigned i=0;
  263. for (; i<minLength && identifierUpper[i]==entryText[i].toUpper(); i++);
  264. unsigned distance=minLength-i;
  265. if (distance<=(minLength>>1)) {
  266. QString prototype=entryText+"? "+entry.prefix+' '+entry.postfix;
  267. if (result.find(prototype)==result.end()) {
  268. // Sort by similarity. Smaller distances first.
  269. QStringList::Iterator it1=result.begin();
  270. QLinkedList<unsigned>::Iterator it2=distances.begin();
  271. for (; it2!=distances.end() && *it2<=distance; ++it1,++it2);
  272. result.insert(it1,prototype);
  273. distances.insert(it2,distance);
  274. }
  275. }
  276. }
  277. }
  278. }
  279. }
  280. return result;
  281. }
  282. bool parseHelpSources(QWidget *parent, const QString &directory,
  283. QMap<QString,CompletionInfo> &sysHdrCompletion)
  284. {
  285. QDir qdir(directory);
  286. QStringList headers=qdir.entryList("*.h",QDir::Dirs);
  287. foreach (const QString &header, headers) {
  288. CompletionInfo &completionInfo=sysHdrCompletion[header];
  289. QList<CompletionEntry> &entries=completionInfo.entries;
  290. QDir hdrQdir(QFileInfo(qdir,header).filePath());
  291. QStringList hsfs=hdrQdir.entryList("*.hsf *.ref",QDir::Files);
  292. foreach (const QString &hsf, hsfs) {
  293. QString fileText=loadFileText(QFileInfo(hdrQdir,hsf).filePath());
  294. if (fileText.isNull()) {
  295. KMessageBox::error(parent,QString("Can't open \'%1/%2\'.").arg(header)
  296. .arg(hsf));
  297. return false;
  298. }
  299. if (hsf.endsWith(".ref")) {
  300. QString realHeader=fileText.trimmed();
  301. QDir realHdrQdir(QFileInfo(qdir,realHeader).filePath());
  302. QString realHsf=hsf;
  303. realHsf.replace(realHsf.length()-3,3,"hsf");
  304. fileText=loadFileText(QFileInfo(realHdrQdir,realHsf).filePath());
  305. if (fileText.isNull()) {
  306. KMessageBox::error(parent,QString("Can't open \'%1/%2\'.").arg(realHeader)
  307. .arg(realHsf));
  308. return false;
  309. }
  310. }
  311. CompletionEntry entry;
  312. QStringList lines=fileText.split('\n');
  313. foreach (const QString &line, lines) {
  314. if (line.startsWith("Name=")) {
  315. entry.text=line.mid(5);
  316. break;
  317. }
  318. }
  319. bool isType=false;
  320. foreach (const QString &line, lines) {
  321. if (line.startsWith("Type=")) {
  322. QString hsfType=line.mid(5);
  323. if (hsfType=="Type") isType=true;
  324. entry.prefix=isType?"type"
  325. :(hsfType=="Function")?"func"
  326. :(hsfType=="Constant")?"const"
  327. :(hsfType=="Variable")?"var":hsfType;
  328. break;
  329. }
  330. }
  331. QRegExp comments("/\\*.*\\*/");
  332. comments.setMinimal(true);
  333. QString definition;
  334. foreach (const QString &line, lines) {
  335. if (line.startsWith("Definition=")) {
  336. definition=line.mid(11);
  337. definition.remove(comments);
  338. int pos=definition.find(entry.text);
  339. QString left=(pos>=0)?definition.left(pos).trimmed()
  340. :QString::null;
  341. QString right;
  342. if (left.startsWith("typedef")) {
  343. entry.postfix=left.mid(8).simplified();
  344. left=QString::null;
  345. } else if (left=="unknown_retval") left="?";
  346. else if (left=="#define") left=QString::null;
  347. if (!left.isEmpty()) {
  348. left.prepend(' ');
  349. entry.prefix+=left;
  350. }
  351. entry.postfix+=definition.mid(pos+entry.text.length()).simplified();
  352. break;
  353. }
  354. }
  355. QStringList::ConstIterator desc=lines.find("[Description]");
  356. QString description;
  357. if (desc!=lines.end() && ++desc!=lines.end()) description=*desc;
  358. description.remove(QRegExp("<A [^>]*>",FALSE)).remove("</A>",FALSE);
  359. if (description.isEmpty()) description=QString::null;
  360. entry.comment=description;
  361. if (isType) {
  362. foreach (const QString &line, lines) {
  363. if (line.startsWith("Subtype=")
  364. || (!line.isEmpty() && line[0]=='[' && line!="[Main]")) {
  365. if (line=="Subtype=Enumeration") {
  366. int pos1=definition.find('{');
  367. if (pos1>=0) {
  368. QString left=definition.left(pos1).trimmed();
  369. int pos2=definition.find('}',++pos1);
  370. if (pos2>=0) {
  371. QString itemList=definition.mid(pos1,pos2-pos1);
  372. if (itemList=="...") {
  373. foreach (const QString &line, lines) {
  374. if (line.startsWith("Real Definition=")) {
  375. QString realDefinition=line.mid(16);
  376. realDefinition.remove(comments);
  377. pos1=realDefinition.find('{');
  378. if (pos1>=0) {
  379. left=realDefinition.left(pos1).trimmed();
  380. pos2=realDefinition.find('}',++pos1);
  381. if (pos2>=0) {
  382. itemList=realDefinition.mid(pos1,pos2-pos1);
  383. goto foundDefinition;
  384. }
  385. }
  386. break;
  387. }
  388. }
  389. } else {
  390. foundDefinition:
  391. QStringList enumItems=itemList.split(',',QString::SkipEmptyParts);
  392. foreach (const QString &enumItem, enumItems) {
  393. CompletionEntry enumEntry;
  394. int pos=enumItem.find('=');
  395. if (pos>=0) {
  396. enumEntry.text=enumItem.left(pos).trimmed();
  397. enumEntry.postfix=enumItem.mid(pos+1).trimmed();
  398. } else enumEntry.text=enumItem.trimmed();
  399. enumEntry.prefix=left;
  400. enumEntry.comment=description;
  401. entries.append(enumEntry);
  402. }
  403. }
  404. }
  405. }
  406. }
  407. break;
  408. }
  409. }
  410. }
  411. if (entry.text.trimmed().isEmpty()) {
  412. // No function name, so use HSF name. Can happen for _ROM_CALL_*.
  413. if (!hsf.startsWith("_ROM_CALL_"))
  414. KMessageBox::sorry(parent,QString("No name found in %1/%2").arg(header)
  415. .arg(hsf),
  416. "Warning");
  417. entry.text=hsf.left(hsf.length()-4);
  418. }
  419. entries.append(entry);
  420. }
  421. }
  422. return true;
  423. }
  424. bool parseSystemHeaders(QWidget *parent, const QString &directory,
  425. QMap<QString,CompletionInfo> &sysHdrCompletion)
  426. {
  427. QDir qdir(directory);
  428. QStringList headers=qdir.entryList("*.h",QDir::Files);
  429. foreach (const QString &header, headers) {
  430. QString fileText=loadFileText(QFileInfo(qdir,header).filePath());
  431. if (fileText.isNull()) {
  432. KMessageBox::error(parent,QString("Can't open \'%1\'.").arg(header));
  433. return false;
  434. }
  435. sysHdrCompletion[header]=parseFileCompletion(fileText,QString::null,
  436. sysHdrCompletion[header]);
  437. if (sysHdrCompletion[header].dirty) return false;
  438. }
  439. return true;
  440. }
  441. void loadSystemHeaderCompletion(void)
  442. {
  443. KConfig config("ktigcc/completion",KConfig::CascadeConfig,"data");
  444. QStringList groupList=config.groupList();
  445. if (groupList.isEmpty()) {
  446. KMessageBox::queuedMessageBox(0,KMessageBox::Sorry,
  447. "<p>No completion data found for TIGCCLIB headers. KTIGCC will not be "
  448. "able to show completion entries for system headers. You have 2 options "
  449. "to fix this:</p>"
  450. "<p>1. Download ktigcc-completion-data from "
  451. "<a href=\"http://sourceforge.net/project/showfiles.php?group_id=31034"
  452. "&amp;package_id=200501\">http://sourceforge.net/project/showfiles.php?"
  453. "group_id=31034&amp;package_id=200501</a> (recommended).</p>"
  454. "<p>2. Regenerate the data yourself through File/Preferences/Coding "
  455. "(TIGCC source code required).</p>","No Completion Data",
  456. KMessageBox::Notify|KMessageBox::AllowLink);
  457. }
  458. systemHeaderCompletion.clear();
  459. foreach (const QString &key, groupList) {
  460. if (key.endsWith(" Lines")) continue;
  461. CompletionInfo completionInfo;
  462. KConfigGroup group=config.group(key);
  463. completionInfo.includedSystem=group.readEntry("Included",QStringList());
  464. unsigned numEntries=group.readEntry("Num Entries",0u);
  465. for (unsigned i=0; i<numEntries; i++) {
  466. CompletionEntry entry;
  467. entry.type=group.readEntry(QString("Entry %1 Type").arg(i));
  468. entry.text=group.readEntry(QString("Entry %1 Text").arg(i));
  469. entry.prefix=group.readEntry(QString("Entry %1 Prefix").arg(i));
  470. entry.postfix=group.readEntry(QString("Entry %1 Postfix").arg(i));
  471. entry.comment=group.readEntry(QString("Entry %1 Comment").arg(i));
  472. entry.userdata=group.readEntry(QString("Entry %1 User Data").arg(i));
  473. completionInfo.entries.append(entry);
  474. }
  475. QMap<QString,QString> entryMap=config.entryMap(key+" Lines");
  476. for (QMap<QString,QString>::ConstIterator it=entryMap.begin();
  477. it!=entryMap.end(); ++it)
  478. completionInfo.lineNumbers.insert(it.key(),(*it).toUInt());
  479. systemHeaderCompletion.insert(key,completionInfo);
  480. }
  481. }
  482. void saveSystemHeaderCompletion(void)
  483. {
  484. KConfig config("ktigcc/completion",KConfig::CascadeConfig,"data");
  485. for (QMap<QString,CompletionInfo>::ConstIterator it=systemHeaderCompletion.begin();
  486. it!=systemHeaderCompletion.end(); ++it) {
  487. const QString &key=it.key();
  488. const CompletionInfo &completionInfo=*it;
  489. KConfigGroup group=config.group(key);
  490. group.writeEntry("Included",completionInfo.includedSystem);
  491. unsigned i=0;
  492. foreach (const CompletionEntry &entry, completionInfo.entries) {
  493. group.writeEntry(QString("Entry %1 Type").arg(i),entry.type);
  494. group.writeEntry(QString("Entry %1 Text").arg(i),entry.text);
  495. group.writeEntry(QString("Entry %1 Prefix").arg(i),entry.prefix);
  496. group.writeEntry(QString("Entry %1 Postfix").arg(i),entry.postfix);
  497. group.writeEntry(QString("Entry %1 Comment").arg(i),entry.comment);
  498. group.writeEntry(QString("Entry %1 User Data").arg(i++),entry.userdata);
  499. }
  500. group.writeEntry("Num Entries",i);
  501. KConfigGroup linesGroup=config.group(key+" Lines");
  502. for (QMap<QString,unsigned>::ConstIterator it=completionInfo.lineNumbers.begin();
  503. it!=completionInfo.lineNumbers.end(); ++it)
  504. linesGroup.writeEntry(it.key(),*it);
  505. }
  506. config.sync();
  507. }
  508. TemplatePopup::TemplatePopup(KTextEditor::View *parent)
  509. : Q3PopupMenu(parent), view(parent)
  510. {
  511. connect(this,SIGNAL(activated(int)),this,SLOT(QPopupMenu_activated(int)));
  512. unsigned i=0;
  513. typedef const QPair<QString,QString> &StringPairConstRef;
  514. foreach (StringPairConstRef pair, preferences.templates)
  515. insertItem(pair.first, i++);
  516. QPoint pos=parent->cursorPositionCoordinates();
  517. if (pos.x()<0 || pos.y()<0) {
  518. // Cursor outside of the view, so center on view instead.
  519. QSize parentSize=parent->size();
  520. QSize popupSize=sizeHint();
  521. pos.setX((parentSize.width()-popupSize.width())>>1);
  522. pos.setY((parentSize.height()-popupSize.height())>>1);
  523. }
  524. exec(parent->mapToGlobal(pos));
  525. deleteLater();
  526. }
  527. void TemplatePopup::QPopupMenu_activated(int id)
  528. {
  529. KTextEditor::Document *doc=view->document();
  530. QString code=preferences.templates[id].second;
  531. QString indent=doc->line(view->cursorPosition().line());
  532. // Remove everything starting from the first non-whitespace character.
  533. indent=indent.remove(QRegExp("(?!\\s).*$"));
  534. indent.prepend('\n');
  535. code.replace('\n',indent);
  536. int cursorPos=code.find('|');
  537. if (cursorPos>=0) {
  538. QString left=code.left(cursorPos);
  539. QString right=code.mid(cursorPos+1);
  540. int row, col;
  541. doc->startEditing();
  542. view->insertText(left);
  543. view->cursorPosition().position(row,col);
  544. view->insertText(right);
  545. doc->endEditing();
  546. view->setCursorPosition(KTextEditor::Cursor(row,col));
  547. } else view->insertText(code);
  548. }
  549. CompletionModel::CompletionModel(QObject *parent,
  550. const QList<CompletionEntry> &entries)
  551. : KTextEditor::CodeCompletionModel(parent), m_entries(entries)
  552. {
  553. }
  554. CompletionModel::~CompletionModel()
  555. {
  556. }
  557. int CompletionModel::rowCount(const QModelIndex &parent __attribute__((unused)))
  558. const
  559. {
  560. return m_entries.count();
  561. }
  562. QModelIndex CompletionModel::index(int row, int column,
  563. const QModelIndex &parent) const
  564. {
  565. if (row<0 || row>=m_entries.count() || column<0 || column>5 || parent.isValid())
  566. return QModelIndex();
  567. return createIndex(row,column);
  568. }
  569. QVariant CompletionModel::data(const QModelIndex &index, int role) const
  570. {
  571. switch (role)
  572. {
  573. case Qt::DisplayRole:
  574. switch (index.column()) {
  575. case 0:
  576. return m_entries[index.row()].prefix;
  577. case 1:
  578. return QVariant(); // icon
  579. case 2:
  580. return QVariant(); // scope
  581. case 3:
  582. return m_entries[index.row()].text;
  583. case 4:
  584. return QVariant(); // arguments (currently in postfix)
  585. case 5:
  586. return m_entries[index.row()].postfix;
  587. default:
  588. return QVariant();
  589. }
  590. case Qt::StatusTipRole:
  591. return m_entries[index.row()].comment;
  592. case CompletionRole:
  593. return (int)Public|GlobalScope;
  594. case ScopeIndex:
  595. return -1;
  596. case MatchQuality:
  597. return 10;
  598. case HighlightingMethod:
  599. return QVariant();
  600. case InheritanceDepth:
  601. return 0;
  602. }
  603. return QVariant();
  604. }
  605. CompletionPopup::CompletionPopup(KTextEditor::View *parent, const QString &fileName,
  606. MainForm *mainForm, QObject *receiver)
  607. : QObject(parent), done(false), completionPopup(0)
  608. {
  609. connect(this,SIGNAL(closed()),receiver,SLOT(completionPopup_closed()));
  610. QList<CompletionEntry> entries;
  611. if (!completionEntriesForFile(parent->document()->text(),fileName,mainForm,
  612. entries)) {
  613. emit closed();
  614. deleteLater();
  615. return;
  616. }
  617. entries=sortCompletionEntries(entries);
  618. KTextEditor::Cursor cursor=parent->cursorPosition();
  619. int line=cursor.line();
  620. int column=cursor.column();
  621. if (column) {
  622. QString textLine=parent->document()->line(line);
  623. if (column<=textLine.length()) {
  624. while (column && (textLine[column-1].isLetterOrNumber()
  625. || textLine[column-1]=='_' || textLine[column-1]=='$'))
  626. column--;
  627. }
  628. }
  629. connect(parent,SIGNAL(completionAborted(KTextEditor::View*)),this,SLOT(slotDone()));
  630. connect(parent,SIGNAL(completionExecuted(KTextEditor::View*,const KTextEditor::Cursor&,KTextEditor::CodeCompletionModel*,int)),this,SLOT(slotDone()));
  631. KTextEditor::CodeCompletionInterface *complIFace
  632. =qobject_cast<KTextEditor::CodeCompletionInterface *>(parent);
  633. complIFace->startCompletion(KTextEditor::Range(
  634. KTextEditor::Cursor(line,column),cursor),
  635. new CompletionModel(this,entries));
  636. }
  637. void CompletionPopup::slotDone()
  638. {
  639. if (!done) {
  640. done=true;
  641. emit closed();
  642. deleteLater();
  643. }
  644. }
  645. ArgHintPopup::ArgHintPopup(KTextEditor::View *parent, const QString &fileName,
  646. MainForm *mainForm)
  647. : QObject(parent), done(false), argHintPopup(0)
  648. {
  649. QList<CompletionEntry> entries;
  650. if (!completionEntriesForFile(parent->document()->text(),fileName,mainForm,
  651. entries)) {
  652. nothingFound:
  653. deleteLater();
  654. return;
  655. }
  656. KTextEditor::Cursor cursor=parent->cursorPosition();
  657. int column=cursor.column();
  658. if (!column || !--column) goto nothingFound;
  659. QString textLine=parent->document()->line(cursor.line());
  660. if (column>textLine.length() || textLine[column]!='(') goto nothingFound;
  661. while (column && textLine[column-1].isSpace()) column--;
  662. if (!column) goto nothingFound;
  663. unsigned startColumn=column, endColumn=column;
  664. while (column && (textLine[--column].isLetterOrNumber()
  665. || textLine[column]=='_' || textLine[column]=='$'))
  666. startColumn--;
  667. if (startColumn==endColumn) goto nothingFound;
  668. QString identifier=textLine.mid(startColumn,endColumn-startColumn);
  669. QStringList prototypes=prototypesForIdentifier(identifier,entries);
  670. if (prototypes.isEmpty()) goto nothingFound;
  671. #if 0 // FIXME: Rewrite argument hint.
  672. connect(parent,SIGNAL(argHintHidden()),this,SLOT(slotDone()));
  673. parent->showArgHint(prototypes,"()",",");
  674. // Unfortunately, Kate doesn't always send the argHintHidden event when it
  675. // closes its popup. Work around that.
  676. QWidgetList *list=QApplication::topLevelWidgets();
  677. QWidgetListIt it(*list);
  678. while (QWidget *w=it.current()) {
  679. ++it;
  680. if (w->isVisible() && w->testWFlags(Qt::WType_Popup)
  681. && !std::strcmp(w->className(),"KateArgHint")) {
  682. argHintPopup=w;
  683. break;
  684. }
  685. }
  686. delete list;
  687. if (argHintPopup)
  688. argHintPopup->installEventFilter(this);
  689. #else
  690. slotDone();
  691. #endif
  692. }
  693. void ArgHintPopup::slotDone()
  694. {
  695. if (!done) {
  696. done=true;
  697. deleteLater();
  698. }
  699. }
  700. bool ArgHintPopup::eventFilter(QObject *o, QEvent *e)
  701. {
  702. if (!done && o==argHintPopup && e->type()==QEvent::Hide) {
  703. done=true;
  704. deleteLater();
  705. }
  706. return false;
  707. }