completion.cpp 29 KB

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