src/frontends/qt4/FindAndReplace.cpp

   1 /**
   2  * \file FindAndReplace.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Tommaso Cucinotta
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "FindAndReplace.h"
  14
  15 #include "GuiApplication.h"
  16 #include "GuiView.h"
  17 #include "GuiWorkArea.h"
  18 #include "qt_helpers.h"
  19
  20 #include "buffer_funcs.h"
  21 #include "BufferParams.h"
  22 #include "BufferList.h"
  23 #include "Cursor.h"
  24 #include "FuncRequest.h"
  25 #include "lyxfind.h"
  26 #include "output_latex.h"
  27 #include "OutputParams.h"
  28 #include "TexRow.h"
  29
  30 #include "frontends/alert.h"
  31
  32 #include "support/debug.h"
  33 #include "support/filetools.h"
  34 #include "support/FileName.h"
  35 #include "support/gettext.h"
  36 #include "support/lassert.h"
  37 #include "support/lstrings.h"
  38
  39 #include <QCloseEvent>
  40 #include <QLineEdit>
  41 #include <QMenu>
  42
  43 #include <iostream>
  44
  45 using namespace std;
  46 using namespace lyx::support;
  47
  48 namespace lyx {
  49 namespace frontend {
  50
  51
  52 FindAndReplaceWidget::FindAndReplaceWidget(GuiView & view)
  53         :       view_(view)
  54 {
  55         setupUi(this);
  56 #if QT_VERSION < 0x040400
  57         scrollArea->setWidget(scrollAreaWidgetContents);
  58 #endif
  59         find_work_area_->setGuiView(view_);
  60         find_work_area_->init();
  61         setFocusProxy(find_work_area_);
  62         replace_work_area_->setGuiView(view_);
  63         replace_work_area_->init();
  64         // We don't want two cursors blinking.
  65         replace_work_area_->stopBlinkingCursor();
  66
  67         QMenu * menu = new QMenu();
  68         QAction * regAny = menu->addAction(qt_("&Anything"));
  69         regAny->setData(".*");
  70         QAction * regAnyNonEmpty = menu->addAction(qt_("Any non-&empty"));
  71         regAnyNonEmpty->setData(".+");
  72         QAction * regAnyWord = menu->addAction(qt_("Any &word"));
  73         regAnyWord->setData("[a-z]+");
  74         QAction * regAnyNumber = menu->addAction(qt_("Any &number"));
  75         regAnyNumber->setData("[0-9]+");
  76         QAction * regCustom = menu->addAction(qt_("&User-defined"));
  77         regCustom->setData("");
  78         regexpInsertPB->setMenu(menu);
  79
  80         connect(menu, SIGNAL(triggered(QAction *)),
  81                 this, SLOT(insertRegexp(QAction *)));
  82 }
  83
  84
  85 bool FindAndReplaceWidget::eventFilter(QObject * obj, QEvent * event)
  86 {
  87         if (event->type() != QEvent::KeyPress
  88                   || (obj != find_work_area_ && obj != replace_work_area_))
  89                 return QWidget::eventFilter(obj, event);
  90
  91         QKeyEvent * e = static_cast<QKeyEvent *> (event);
  92         switch (e->key()) {
  93         case Qt::Key_Escape:
  94                 if (e->modifiers() == Qt::NoModifier) {
  95                         hideDialog();
  96                         return true;
  97                 }
  98                 break;
  99
 100         case Qt::Key_Enter:
 101         case Qt::Key_Return:
 102                 if (e->modifiers() == Qt::ShiftModifier) {
 103                         if (obj == find_work_area_)
 104                                 on_findPrevPB_clicked();
 105                         else
 106                                 on_replacePrevPB_clicked();
 107                         return true;
 108                 } else if (e->modifiers() == Qt::NoModifier) {
 109                         if (obj == find_work_area_)
 110                                 on_findNextPB_clicked();
 111                         else
 112                                 on_replaceNextPB_clicked();
 113                         return true;
 114                 }
 115                 break;
 116
 117         case Qt::Key_Tab:
 118                 if (e->modifiers() == Qt::NoModifier) {
 119                         if (obj == find_work_area_){
 120                                 LYXERR(Debug::FIND, "Focusing replace WA");
 121                                 replace_work_area_->setFocus();
 122                                 return true;
 123                         }
 124                 }
 125                 break;
 126
 127         case Qt::Key_Backtab:
 128                 if (obj == replace_work_area_) {
 129                         LYXERR(Debug::FIND, "Focusing find WA");
 130                         find_work_area_->setFocus();
 131                         return true;
 132                 }
 133                 break;
 134
 135         default:
 136                 break;
 137         }
 138         // standard event processing
 139         return QWidget::eventFilter(obj, event);
 140 }
 141
 142
 143 static docstring buffer_to_latex(Buffer & buffer) {
 144         OutputParams runparams(&buffer.params().encoding());
 145         odocstringstream os;
 146         runparams.nice = true;
 147         runparams.flavor = OutputParams::LATEX;
 148         runparams.linelen = 80; //lyxrc.plaintext_linelen;
 149         // No side effect of file copying and image conversion
 150         runparams.dryrun = true;
 151         buffer.texrow().reset();
 152         ParagraphList::const_iterator pit = buffer.paragraphs().begin();
 153         ParagraphList::const_iterator const end = buffer.paragraphs().end();
 154         for (; pit != end; ++pit) {
 155                 TeXOnePar(buffer, buffer.text(),
 156                           pit, os, buffer.texrow(), runparams);
 157                 LYXERR(Debug::FIND, "searchString up to here: "
 158                         << os.str());
 159         }
 160         return os.str();
 161 }
 162
 163
 164 static vector<string> const & allManualsFiles() {
 165         static vector<string> v;
 166         static const char * files[] = {
 167                 "Intro", "UserGuide", "Tutorial", "Additional",
 168                 "EmbeddedObjects", "Math", "Customization", "Shortcuts",
 169                 "LFUNs", "LaTeXConfig"
 170         };
 171         if (v.empty()) {
 172                 FileName fname;
 173                 for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); ++i) {
 174                         fname = i18nLibFileSearch("doc", files[i], "lyx");
 175                         v.push_back(fname.absFilename());
 176                 }
 177         }
 178         return v;
 179 }
 180
 181
 182 /** Switch p_buf to point to next document buffer.
 183  **
 184  ** Return true if restarted from master-document buffer.
 185  **
 186  ** @note
 187  ** Not using p_buf->allRelatives() here, because I'm not sure
 188  ** whether or not the returned order is independent of p_buf.
 189  **/
 190 static bool next_document_buffer(Buffer * & p_buf) {
 191         Buffer *p_master = p_buf;
 192         Buffer *p_old;
 193         do {
 194                 p_old = p_master;
 195                 p_master = const_cast<Buffer *>(p_master->masterBuffer());
 196                 LYXERR(Debug::FIND, "p_old="
 197                         << p_old
 198                         << ", p_master="
 199                         << p_master);
 200         } while (p_master != p_old);
 201         LASSERT(p_master != NULL, /**/);
 202         vector<Buffer *> v_children;
 203         /* Root master added as first buffer in the vector */
 204         v_children.push_back(p_master);
 205         p_master->getChildren(v_children, true);
 206         LYXERR(Debug::FIND, "v_children.size()=" << v_children.size());
 207         vector<Buffer *>::const_iterator it =
 208                 find(v_children.begin(), v_children.end(), p_buf);
 209         LASSERT(it != v_children.end(), /**/)
 210         ++it;
 211         if (it == v_children.end()) {
 212                 p_buf = *v_children.begin();
 213                 return true;
 214         }
 215         p_buf = *it;
 216         return false;
 217 }
 218
 219
 220 /** Switch p_buf to point to previous document buffer.
 221  **
 222  ** Return true if restarted from last child buffer.
 223  **
 224  ** @note
 225  ** Not using p_buf->allRelatives() here, because I'm not sure
 226  ** whether or not the returned order is independent of p_buf.
 227  **/
 228 static bool prev_document_buffer(Buffer * & p_buf) {
 229         Buffer *p_master = p_buf;
 230         Buffer *p_old;
 231         do {
 232                 p_old = p_master;
 233                 p_master = const_cast<Buffer *>(p_master->masterBuffer());
 234                 LYXERR(Debug::FIND,
 235                         "p_old=" << p_old
 236                         << ", p_master=" << p_master);
 237         } while (p_master != p_old);
 238         LASSERT(p_master != NULL, /**/);
 239         vector<Buffer *> v_children;
 240         /* Root master added as first buffer in the vector */
 241         v_children.push_back(p_master);
 242         p_master->getChildren(v_children, true);
 243         LYXERR(Debug::FIND, "v_children.size()=" << v_children.size());
 244         vector<Buffer *>::const_iterator it =
 245                 find(v_children.begin(), v_children.end(), p_buf);
 246         LASSERT(it != v_children.end(), /**/)
 247         if (it == v_children.begin()) {
 248                 it = v_children.end();
 249                 --it;
 250                 p_buf = *it;
 251                 return true;
 252         }
 253         --it;
 254         p_buf = *it;
 255         return false;
 256 }
 257
 258
 259 /** Switch buf to point to next or previous buffer in search scope.
 260  **
 261  ** Return true if restarted from scratch.
 262  **/
 263 static bool next_prev_buffer(Buffer * & buf,
 264                              FindAndReplaceOptions const & opt)
 265 {
 266         bool restarted = false;
 267         switch (opt.scope) {
 268         case FindAndReplaceOptions::S_BUFFER:
 269                 restarted = true;
 270                 break;
 271         case FindAndReplaceOptions::S_DOCUMENT:
 272                 if (opt.forward)
 273                         restarted = next_document_buffer(buf);
 274                 else
 275                         restarted = prev_document_buffer(buf);
 276                 break;
 277         case FindAndReplaceOptions::S_OPEN_BUFFERS:
 278                 if (opt.forward) {
 279                         buf = theBufferList().next(buf);
 280                         restarted = buf == *theBufferList().begin();
 281                 } else {
 282                         buf = theBufferList().previous(buf);
 283                         restarted = buf == *(theBufferList().end() - 1);
 284                 }
 285                 break;
 286         case FindAndReplaceOptions::S_ALL_MANUALS:
 287                 vector<string> const & v = allManualsFiles();
 288                 vector<string>::const_iterator it =
 289                         find(v.begin(), v.end(), buf->absFileName());
 290                 if (it == v.end()) {
 291                         it = v.begin();
 292                 } else if (opt.forward) {
 293                         ++it;
 294                         if (it == v.end()) {
 295                                 it = v.begin();
 296                                 restarted = true;
 297                         }
 298                 } else {
 299                         if (it == v.begin()) {
 300                                 it = v.end();
 301                                 restarted = true;
 302                         }
 303                         --it;
 304                 }
 305                 FileName const & fname = FileName(*it);
 306                 if (!theBufferList().exists(fname)) {
 307                         guiApp->currentView()->setBusy(false);
 308                         guiApp->currentView()->loadDocument(fname, false);
 309                         guiApp->currentView()->setBusy(true);
 310                 }
 311                 buf = theBufferList().getBuffer(fname);
 312                 break;
 313         }
 314         return restarted;
 315 }
 316
 317
 318 /** Find the finest question message to post to the user */
 319 docstring question_string(FindAndReplaceOptions const & opt)
 320 {
 321         docstring scope;
 322         switch (opt.scope) {
 323         case FindAndReplaceOptions::S_BUFFER:
 324                 scope = _("file[[scope]]");
 325                 break;
 326         case FindAndReplaceOptions::S_DOCUMENT:
 327                 scope = _("master document[[scope]]");
 328                 break;
 329         case FindAndReplaceOptions::S_OPEN_BUFFERS:
 330                 scope = _("open files[[scope]]");
 331                 break;
 332         case FindAndReplaceOptions::S_ALL_MANUALS:
 333                 scope = _("manuals[[scope]]");
 334                 break;
 335         }
 336         docstring message = opt.forward ?
 337                 bformat(_("End of %1$s reached while searching forward.\n"
 338                           "Continue searching from the beginning?"),
 339                         scope) :
 340                 bformat(_("Beginning of %1$s reached while searching backward.\n"
 341                           "Continue searching from the end?"),
 342                         scope);
 343
 344         return message;
 345 }
 346
 347
 348 void FindAndReplaceWidget::findAndReplaceScope(FindAndReplaceOptions & opt)
 349 {
 350         int wrap_answer = -1;
 351         ostringstream oss;
 352         oss << opt;
 353         FuncRequest cmd(LFUN_WORD_FINDADV, from_utf8(oss.str()));
 354         BufferView * bv = view_.documentBufferView();
 355         Buffer * buf = &bv->buffer();
 356
 357         Buffer * buf_orig = &bv->buffer();
 358         Cursor cur_orig(bv->cursor());
 359
 360         if (opt.scope == FindAndReplaceOptions::S_ALL_MANUALS) {
 361                 vector<string> const & v = allManualsFiles();
 362                 if (std::find(v.begin(), v.end(), buf->absFileName()) == v.end()) {
 363                         FileName const & fname = FileName(*v.begin());
 364                         if (!theBufferList().exists(fname)) {
 365                                 guiApp->currentView()->setBusy(false);
 366                                 guiApp->currentView()->loadDocument(fname, false);
 367                                 guiApp->currentView()->setBusy(true);
 368                         }
 369                         buf = theBufferList().getBuffer(fname);
 370                         lyx::dispatch(FuncRequest(LFUN_BUFFER_SWITCH,
 371                                                   buf->absFileName()));
 372                         bv = view_.documentBufferView();
 373                         bv->cursor().clear();
 374                         bv->cursor().push_back(CursorSlice(buf->inset()));
 375                 }
 376         }
 377
 378         do {
 379                 LYXERR(Debug::FIND, "Dispatching LFUN_WORD_FINDADV");
 380                 dispatch(cmd);
 381                 if (bv->cursor().result().dispatched()) {
 382                         // Match found, selected and replaced if needed
 383                         return;
 384                 }
 385
 386                 // No match found in current buffer:
 387                 // select next buffer in scope, if any
 388                 bool prompt = next_prev_buffer(buf, opt);
 389                 if (prompt) {
 390                         if (wrap_answer != -1)
 391                                 break;
 392                         docstring q = question_string(opt);
 393                         wrap_answer = frontend::Alert::prompt(
 394                                 _("Wrap search?"), q,
 395                                 0, 1, _("&Yes"), _("&No"));
 396                         if (wrap_answer == 1)
 397                                 break;
 398                 }
 399                 lyx::dispatch(FuncRequest(LFUN_BUFFER_SWITCH,
 400                                           buf->absFileName()));
 401                 bv = view_.documentBufferView();
 402                 if (opt.forward) {
 403                         bv->cursor().clear();
 404                         bv->cursor().push_back(CursorSlice(buf->inset()));
 405                 } else {
 406                         lyx::dispatch(FuncRequest(LFUN_BUFFER_END));
 407                         bv->cursor().setCursor(doc_iterator_end(buf));
 408                         bv->cursor().backwardPos();
 409                         LYXERR(Debug::FIND, "findBackAdv5: cur: "
 410                                 << bv->cursor());
 411                 }
 412                 bv->clearSelection();
 413         } while (wrap_answer != 1);
 414         if (buf != buf_orig)
 415                 lyx::dispatch(FuncRequest(LFUN_BUFFER_SWITCH,
 416                                           buf_orig->absFileName()));
 417         bv = view_.documentBufferView();
 418         bv->cursor() = cur_orig;
 419 }
 420
 421
 422 void FindAndReplaceWidget::findAndReplace(
 423         bool casesensitive, bool matchword, bool backwards,
 424         bool expandmacros, bool ignoreformat, bool replace,
 425         bool keep_case)
 426 {
 427         Buffer & buffer = find_work_area_->bufferView().buffer();
 428         docstring searchString;
 429         if (!ignoreformat) {
 430                 searchString = buffer_to_latex(buffer);
 431         } else {
 432                 ParIterator it = buffer.par_iterator_begin();
 433                 ParIterator end = buffer.par_iterator_end();
 434                 OutputParams runparams(&buffer.params().encoding());
 435                 odocstringstream os;
 436                 runparams.nice = true;
 437                 runparams.flavor = OutputParams::LATEX;
 438                 runparams.linelen = 100000; //lyxrc.plaintext_linelen;
 439                 runparams.dryrun = true;
 440                 for (; it != end; ++it) {
 441                         LYXERR(Debug::FIND, "Adding to search string: '"
 442                                 << it->asString(false)
 443                                 << "'");
 444                         searchString +=
 445                                 it->stringify(pos_type(0), it->size(),
 446                                               AS_STR_INSETS, runparams);
 447                 }
 448         }
 449         if (to_utf8(searchString).empty()) {
 450                 buffer.message(_("Nothing to search"));
 451                 return;
 452         }
 453         bool const regexp =
 454                 to_utf8(searchString).find("\\regexp") != std::string::npos;
 455         docstring replaceString;
 456         if (replace) {
 457                 Buffer & repl_buffer =
 458                         replace_work_area_->bufferView().buffer();
 459                 ostringstream oss;
 460                 repl_buffer.write(oss);
 461                 //buffer_to_latex(replace_buffer);
 462                 replaceString = from_utf8(oss.str());
 463         } else {
 464                 replaceString = from_utf8(LYX_FR_NULL_STRING);
 465         }
 466         FindAndReplaceOptions::SearchScope scope =
 467                 FindAndReplaceOptions::S_BUFFER;
 468         if (CurrentDocument->isChecked())
 469                 scope = FindAndReplaceOptions::S_BUFFER;
 470         else if (MasterDocument->isChecked())
 471                 scope = FindAndReplaceOptions::S_DOCUMENT;
 472         else if (OpenDocuments->isChecked())
 473                 scope = FindAndReplaceOptions::S_OPEN_BUFFERS;
 474         else if (AllManualsRB->isChecked())
 475                 scope = FindAndReplaceOptions::S_ALL_MANUALS;
 476         else
 477                 LASSERT(false, /**/);
 478         LYXERR(Debug::FIND, "FindAndReplaceOptions: "
 479                << "searchstring=" << searchString
 480                << ", casesensitiv=" << casesensitive
 481                << ", matchword=" << matchword
 482                << ", backwards=" << backwards
 483                << ", expandmacros=" << expandmacros
 484                << ", ignoreformat=" << ignoreformat
 485                << ", regexp=" << regexp
 486                << ", replaceString" << replaceString
 487                << ", keep_case=" << keep_case
 488                << ", scope=" << scope);
 489         FindAndReplaceOptions opt(searchString, casesensitive, matchword,
 490                                   !backwards, expandmacros, ignoreformat,
 491                                   regexp, replaceString, keep_case, scope);
 492         view_.setBusy(true);
 493         findAndReplaceScope(opt);
 494         view_.setBusy(false);
 495 }
 496
 497
 498 void FindAndReplaceWidget::findAndReplace(bool backwards, bool replace)
 499 {
 500         if (! view_.currentMainWorkArea()) {
 501                 view_.message(_("No open document(s) in which to search"));
 502                 return;
 503         }
 504         // FIXME: create a Dialog::returnFocus()
 505         // or something instead of this:
 506         view_.setCurrentWorkArea(view_.currentMainWorkArea());
 507         findAndReplace(caseCB->isChecked(),
 508                 wordsCB->isChecked(),
 509                 backwards,
 510                 expandMacrosCB->isChecked(),
 511                 ignoreFormatCB->isChecked(),
 512                 replace,
 513                 keepCaseCB->isChecked());
 514 }
 515
 516
 517 void FindAndReplaceWidget::insertRegexp(QAction * action)
 518 {
 519         string const regexp = fromqstr(action->data().toString());
 520         LYXERR(Debug::FIND, "Regexp: " << regexp);
 521         find_work_area_->setFocus();
 522         Cursor & cur = find_work_area_->bufferView().cursor();
 523         if (!cur.inRegexped())
 524                 dispatch(FuncRequest(LFUN_REGEXP_MODE));
 525         dispatch(FuncRequest(LFUN_SELF_INSERT, regexp));
 526 }
 527
 528
 529 void FindAndReplaceWidget::hideDialog()
 530 {
 531         dispatch(FuncRequest(LFUN_DIALOG_TOGGLE, "findreplaceadv"));
 532 }
 533
 534
 535 void FindAndReplaceWidget::on_findNextPB_clicked() {
 536         findAndReplace(false, false);
 537         find_work_area_->setFocus();
 538 }
 539
 540
 541 void FindAndReplaceWidget::on_findPrevPB_clicked() {
 542         findAndReplace(true, false);
 543         find_work_area_->setFocus();
 544 }
 545
 546
 547 void FindAndReplaceWidget::on_replaceNextPB_clicked()
 548 {
 549         findAndReplace(false, true);
 550         replace_work_area_->setFocus();
 551 }
 552
 553
 554 void FindAndReplaceWidget::on_replacePrevPB_clicked()
 555 {
 556         findAndReplace(true, true);
 557         replace_work_area_->setFocus();
 558 }
 559
 560
 561 void FindAndReplaceWidget::on_replaceallPB_clicked()
 562 {
 563         replace_work_area_->setFocus();
 564 }
 565
 566
 567 void FindAndReplaceWidget::showEvent(QShowEvent * /* ev */)
 568 {
 569         view_.setCurrentWorkArea(find_work_area_);
 570         LYXERR(Debug::FIND, "Selecting entire find buffer");
 571         dispatch(FuncRequest(LFUN_BUFFER_BEGIN));
 572         dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
 573         find_work_area_->installEventFilter(this);
 574         replace_work_area_->installEventFilter(this);
 575 }
 576
 577
 578 void FindAndReplaceWidget::hideEvent(QHideEvent *ev)
 579 {
 580         replace_work_area_->removeEventFilter(this);
 581         find_work_area_->removeEventFilter(this);
 582         this->QWidget::hideEvent(ev);
 583 }
 584
 585
 586 bool FindAndReplaceWidget::initialiseParams(std::string const & /*params*/)
 587 {
 588         return true;
 589 }
 590
 591
 592 FindAndReplace::FindAndReplace(GuiView & parent,
 593                 Qt::DockWidgetArea area, Qt::WindowFlags flags)
 594         : DockView(parent, "Find LyX", qt_("Advanced Find and Replace"),
 595                    area, flags)
 596 {
 597         widget_ = new FindAndReplaceWidget(parent);
 598         setWidget(widget_);
 599         setFocusProxy(widget_);
 600 }
 601
 602
 603 FindAndReplace::~FindAndReplace()
 604 {
 605         setFocusProxy(0);
 606         delete widget_;
 607 }
 608
 609
 610 bool FindAndReplace::initialiseParams(std::string const & params)
 611 {
 612         return widget_->initialiseParams(params);
 613 }
 614
 615
 616 Dialog * createGuiSearchAdv(GuiView & lv)
 617 {
 618         return new FindAndReplace(lv, Qt::RightDockWidgetArea);
 619 }
 620
 621
 622 } // namespace frontend
 623 } // namespace lyx
 624
 625
 626 #include "moc_FindAndReplace.cpp"