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 "Lexer.h"
  16 #include "GuiApplication.h"
  17 #include "GuiView.h"
  18 #include "GuiWorkArea.h"
  19 #include "qt_helpers.h"
  20 #include "Language.h"
  21
  22 #include "BufferParams.h"
  23 #include "BufferList.h"
  24 #include "Cursor.h"
  25 #include "FuncRequest.h"
  26 #include "lyxfind.h"
  27
  28 #include "frontends/alert.h"
  29
  30 #include "support/debug.h"
  31 #include "support/filetools.h"
  32 #include "support/FileName.h"
  33 #include "support/gettext.h"
  34 #include "support/lassert.h"
  35 #include "support/lstrings.h"
  36
  37 #include <QCloseEvent>
  38 #include <QLineEdit>
  39 #include <QMenu>
  40
  41 using namespace std;
  42 using namespace lyx::support;
  43
  44 namespace lyx {
  45 namespace frontend {
  46
  47
  48 /// Apply to buf the parameters supplied through bp
  49 static void ApplyParams(Buffer &buf, BufferParams const & bp) {
  50         ostringstream ss;
  51         ss << "\\begin_header\n";
  52         bp.writeFile(ss);
  53         ss << "\\end_header\n";
  54         istringstream iss(ss.str());
  55         Lexer lex;
  56         lex.setStream(iss);
  57         int unknown_tokens = buf.readHeader(lex);
  58         LASSERT(unknown_tokens == 0, /* */);
  59 }
  60
  61
  62 FindAndReplaceWidget::FindAndReplaceWidget(GuiView & view)
  63         :       view_(view)
  64 {
  65         setupUi(this);
  66         find_work_area_->setGuiView(view_);
  67         find_work_area_->init();
  68         find_work_area_->setFrameStyle(QFrame::StyledPanel);
  69
  70         setFocusProxy(find_work_area_);
  71         replace_work_area_->setGuiView(view_);
  72         replace_work_area_->init();
  73         replace_work_area_->setFrameStyle(QFrame::StyledPanel);
  74
  75         // We don't want two cursors blinking.
  76         find_work_area_->stopBlinkingCursor();
  77         replace_work_area_->stopBlinkingCursor();
  78 }
  79
  80
  81 bool FindAndReplaceWidget::eventFilter(QObject * obj, QEvent * event)
  82 {
  83         if (event->type() != QEvent::KeyPress
  84                   || (obj != find_work_area_ && obj != replace_work_area_))
  85                 return QWidget::eventFilter(obj, event);
  86
  87         QKeyEvent * e = static_cast<QKeyEvent *> (event);
  88         switch (e->key()) {
  89         case Qt::Key_Escape:
  90                 if (e->modifiers() == Qt::NoModifier) {
  91                         hideDialog();
  92                         return true;
  93                 }
  94                 break;
  95
  96         case Qt::Key_Enter:
  97         case Qt::Key_Return: {
  98                 // with shift we (temporarily) change search/replace direction
  99                 bool const searchback = searchbackCB->isChecked();
 100                 if (e->modifiers() == Qt::ShiftModifier && !searchback)
 101                         searchbackCB->setChecked(!searchback);
 102
 103                 if (obj == find_work_area_)
 104                         on_findNextPB_clicked();
 105                 else
 106                         on_replacePB_clicked();
 107                 // back to how it was
 108                 searchbackCB->setChecked(searchback);
 109                 return true;
 110                 break;
 111                 }
 112         case Qt::Key_Tab:
 113                 if (e->modifiers() == Qt::NoModifier) {
 114                         if (obj == find_work_area_){
 115                                 LYXERR(Debug::FIND, "Focusing replace WA");
 116                                 replace_work_area_->setFocus();
 117                                 LYXERR(Debug::FIND, "Selecting entire replace buffer");
 118                                 dispatch(FuncRequest(LFUN_BUFFER_BEGIN));
 119                                 dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
 120                                 return true;
 121                         }
 122                 }
 123                 break;
 124
 125         case Qt::Key_Backtab:
 126                 if (obj == replace_work_area_) {
 127                         LYXERR(Debug::FIND, "Focusing find WA");
 128                         find_work_area_->setFocus();
 129                         LYXERR(Debug::FIND, "Selecting entire find buffer");
 130                         dispatch(FuncRequest(LFUN_BUFFER_BEGIN));
 131                         dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
 132                         return true;
 133                 }
 134                 break;
 135
 136         default:
 137                 break;
 138         }
 139         // standard event processing
 140         return QWidget::eventFilter(obj, event);
 141 }
 142
 143
 144 static vector<string> const & allManualsFiles()
 145 {
 146         static vector<string> v;
 147         static const char * files[] = {
 148                 "Intro", "UserGuide", "Tutorial", "Additional",
 149                 "EmbeddedObjects", "Math", "Customization", "Shortcuts",
 150                 "LFUNs", "LaTeXConfig"
 151         };
 152         if (v.empty()) {
 153                 FileName fname;
 154                 for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); ++i) {
 155                         fname = i18nLibFileSearch("doc", files[i], "lyx");
 156                         v.push_back(fname.absFileName());
 157                 }
 158         }
 159         return v;
 160 }
 161
 162
 163 /** Switch p_buf to point to next document buffer.
 164  **
 165  ** Return true if restarted from master-document buffer.
 166  **/
 167 static bool nextDocumentBuffer(Buffer * & buf)
 168 {
 169         ListOfBuffers const children = buf->allRelatives();
 170         LYXERR(Debug::FIND, "children.size()=" << children.size());
 171         ListOfBuffers::const_iterator it =
 172                 find(children.begin(), children.end(), buf);
 173         LASSERT(it != children.end(), /**/)
 174         ++it;
 175         if (it == children.end()) {
 176                 buf = *children.begin();
 177                 return true;
 178         }
 179         buf = *it;
 180         return false;
 181 }
 182
 183
 184 /** Switch p_buf to point to previous document buffer.
 185  **
 186  ** Return true if restarted from last child buffer.
 187  **/
 188 static bool prevDocumentBuffer(Buffer * & buf)
 189 {
 190         ListOfBuffers const children = buf->allRelatives();
 191         LYXERR(Debug::FIND, "children.size()=" << children.size());
 192         ListOfBuffers::const_iterator it =
 193                 find(children.begin(), children.end(), buf);
 194         LASSERT(it != children.end(), /**/)
 195         if (it == children.begin()) {
 196                 it = children.end();
 197                 --it;
 198                 buf = *it;
 199                 return true;
 200         }
 201         --it;
 202         buf = *it;
 203         return false;
 204 }
 205
 206
 207 /** Switch buf to point to next or previous buffer in search scope.
 208  **
 209  ** Return true if restarted from scratch.
 210  **/
 211 static bool nextPrevBuffer(Buffer * & buf,
 212                              FindAndReplaceOptions const & opt)
 213 {
 214         bool restarted = false;
 215         switch (opt.scope) {
 216         case FindAndReplaceOptions::S_BUFFER:
 217                 restarted = true;
 218                 break;
 219         case FindAndReplaceOptions::S_DOCUMENT:
 220                 if (opt.forward)
 221                         restarted = nextDocumentBuffer(buf);
 222                 else
 223                         restarted = prevDocumentBuffer(buf);
 224                 break;
 225         case FindAndReplaceOptions::S_OPEN_BUFFERS:
 226                 if (opt.forward) {
 227                         buf = theBufferList().next(buf);
 228                         restarted = (buf == *theBufferList().begin());
 229                 } else {
 230                         buf = theBufferList().previous(buf);
 231                         restarted = (buf == *(theBufferList().end() - 1));
 232                 }
 233                 break;
 234         case FindAndReplaceOptions::S_ALL_MANUALS:
 235                 vector<string> const & manuals = allManualsFiles();
 236                 vector<string>::const_iterator it =
 237                         find(manuals.begin(), manuals.end(), buf->absFileName());
 238                 if (it == manuals.end())
 239                         it = manuals.begin();
 240                 else if (opt.forward) {
 241                         ++it;
 242                         if (it == manuals.end()) {
 243                                 it = manuals.begin();
 244                                 restarted = true;
 245                         }
 246                 } else {
 247                         if (it == manuals.begin()) {
 248                                 it = manuals.end();
 249                                 restarted = true;
 250                         }
 251                         --it;
 252                 }
 253                 FileName const & fname = FileName(*it);
 254                 if (!theBufferList().exists(fname)) {
 255                         guiApp->currentView()->setBusy(false);
 256                         guiApp->currentView()->loadDocument(fname, false);
 257                         guiApp->currentView()->setBusy(true);
 258                 }
 259                 buf = theBufferList().getBuffer(fname);
 260                 break;
 261         }
 262         return restarted;
 263 }
 264
 265
 266 /** Find the finest question message to post to the user */
 267 docstring getQuestionString(FindAndReplaceOptions const & opt)
 268 {
 269         docstring scope;
 270         switch (opt.scope) {
 271         case FindAndReplaceOptions::S_BUFFER:
 272                 scope = _("File");
 273                 break;
 274         case FindAndReplaceOptions::S_DOCUMENT:
 275                 scope = _("Master document");
 276                 break;
 277         case FindAndReplaceOptions::S_OPEN_BUFFERS:
 278                 scope = _("Open files");
 279                 break;
 280         case FindAndReplaceOptions::S_ALL_MANUALS:
 281                 scope = _("Manuals");
 282                 break;
 283         }
 284         docstring message = opt.forward ?
 285                 bformat(_("%1$s: the end was reached while searching forward.\n"
 286                           "Continue searching from the beginning?"),
 287                         scope) :
 288                 bformat(_("%1$s: the beginning was reached while searching backward.\n"
 289                           "Continue searching from the end?"),
 290                         scope);
 291
 292         return message;
 293 }
 294
 295
 296 void FindAndReplaceWidget::findAndReplaceScope(FindAndReplaceOptions & opt)
 297 {
 298         BufferView * bv = view_.documentBufferView();
 299         if (!bv)
 300                 return;
 301         Buffer * buf = &bv->buffer();
 302         Buffer * buf_orig = &bv->buffer();
 303         DocIterator cur_orig(bv->cursor());
 304         int wrap_answer = -1;
 305         ostringstream oss;
 306         oss << opt;
 307         FuncRequest cmd(LFUN_WORD_FINDADV, from_utf8(oss.str()));
 308
 309         view_.setBusy(true);
 310         if (opt.scope == FindAndReplaceOptions::S_ALL_MANUALS) {
 311                 vector<string> const & v = allManualsFiles();
 312                 if (std::find(v.begin(), v.end(), buf->absFileName()) == v.end()) {
 313                         FileName const & fname = FileName(*v.begin());
 314                         if (!theBufferList().exists(fname)) {
 315                                 guiApp->currentView()->setBusy(false);
 316                                 guiApp->currentView()->loadDocument(fname, false);
 317                                 guiApp->currentView()->setBusy(true);
 318                         }
 319                         buf = theBufferList().getBuffer(fname);
 320                         lyx::dispatch(FuncRequest(LFUN_BUFFER_SWITCH,
 321                                                   buf->absFileName()));
 322                         bv = view_.documentBufferView();
 323                         bv->cursor().clear();
 324                         bv->cursor().push_back(CursorSlice(buf->inset()));
 325                 }
 326         }
 327
 328         do {
 329                 LYXERR(Debug::FIND, "Dispatching LFUN_WORD_FINDADV");
 330                 dispatch(cmd);
 331                 LYXERR(Debug::FIND, "dispatched");
 332                 if (bv->cursor().result().dispatched()) {
 333                         // New match found and selected (old selection replaced if needed)
 334                         view_.setBusy(false);
 335                         return;
 336                 }
 337
 338                 // No match found in current buffer (however old selection might have been replaced)
 339                 // select next buffer in scope, if any
 340                 bool prompt = nextPrevBuffer(buf, opt);
 341                 if (prompt) {
 342                         if (wrap_answer != -1)
 343                                 break;
 344                         docstring q = getQuestionString(opt);
 345                         view_.setBusy(false);
 346                         wrap_answer = frontend::Alert::prompt(
 347                                 _("Wrap search?"), q,
 348                                 0, 1, _("&Yes"), _("&No"));
 349                         view_.setBusy(true);
 350                         if (wrap_answer == 1)
 351                                 break;
 352                 }
 353                 if (buf != &view_.documentBufferView()->buffer())
 354                         lyx::dispatch(FuncRequest(LFUN_BUFFER_SWITCH,
 355                                                   buf->absFileName()));
 356                 bv = view_.documentBufferView();
 357                 if (opt.forward) {
 358                         bv->cursor().clear();
 359                         bv->cursor().push_back(CursorSlice(buf->inset()));
 360                 } else {
 361                         //lyx::dispatch(FuncRequest(LFUN_BUFFER_END));
 362                         bv->cursor().setCursor(doc_iterator_end(buf));
 363                         bv->cursor().backwardPos();
 364                         LYXERR(Debug::FIND, "findBackAdv5: cur: "
 365                                 << bv->cursor());
 366                 }
 367                 bv->clearSelection();
 368         } while (wrap_answer != 1);
 369         if (buf_orig != &view_.documentBufferView()->buffer())
 370                 lyx::dispatch(FuncRequest(LFUN_BUFFER_SWITCH,
 371                                           buf_orig->absFileName()));
 372         bv = view_.documentBufferView();
 373         // This may happen after a replace occurred
 374         if (cur_orig.pos() > cur_orig.lastpos())
 375                 cur_orig.pos() = cur_orig.lastpos();
 376         bv->cursor().setCursor(cur_orig);
 377         view_.setBusy(false);
 378 }
 379
 380
 381 void FindAndReplaceWidget::findAndReplace(
 382         bool casesensitive, bool matchword, bool backwards,
 383         bool expandmacros, bool ignoreformat, bool replace,
 384         bool keep_case)
 385 {
 386         Buffer & find_buf = find_work_area_->bufferView().buffer();
 387         docstring const & find_buf_name = find_buf.fileName().absoluteFilePath();
 388
 389         if (find_buf.text().empty()) {
 390                 view_.message(_("Nothing to search"));
 391                 return;
 392         }
 393
 394         Buffer & repl_buf = replace_work_area_->bufferView().buffer();
 395         docstring const & repl_buf_name = replace ?
 396                 repl_buf.fileName().absoluteFilePath() : docstring();
 397
 398         FindAndReplaceOptions::SearchScope scope =
 399                 FindAndReplaceOptions::S_BUFFER;
 400         if (CurrentDocument->isChecked())
 401                 scope = FindAndReplaceOptions::S_BUFFER;
 402         else if (MasterDocument->isChecked())
 403                 scope = FindAndReplaceOptions::S_DOCUMENT;
 404         else if (OpenDocuments->isChecked())
 405                 scope = FindAndReplaceOptions::S_OPEN_BUFFERS;
 406         else if (AllManualsRB->isChecked())
 407                 scope = FindAndReplaceOptions::S_ALL_MANUALS;
 408         else
 409                 LASSERT(false, /**/);
 410         LYXERR(Debug::FIND, "FindAndReplaceOptions: "
 411                << "find_buf_name=" << find_buf_name
 412                << ", casesensitiv=" << casesensitive
 413                << ", matchword=" << matchword
 414                << ", backwards=" << backwards
 415                << ", expandmacros=" << expandmacros
 416                << ", ignoreformat=" << ignoreformat
 417                << ", repl_buf_name" << repl_buf_name
 418                << ", keep_case=" << keep_case
 419                << ", scope=" << scope);
 420         FindAndReplaceOptions opt(find_buf_name, casesensitive, matchword,
 421                                   !backwards, expandmacros, ignoreformat,
 422                                   repl_buf_name, keep_case, scope);
 423         findAndReplaceScope(opt);
 424 }
 425
 426
 427 void FindAndReplaceWidget::findAndReplace(bool backwards, bool replace)
 428 {
 429         if (! view_.currentMainWorkArea()) {
 430                 view_.message(_("No open document(s) in which to search"));
 431                 return;
 432         }
 433         // Finalize macros that are being typed, both in main document and in search or replacement WAs
 434         if (view_.currentWorkArea()->bufferView().cursor().macroModeClose())
 435                 view_.currentWorkArea()->bufferView().processUpdateFlags(Update::Force);
 436         if (view_.currentMainWorkArea()->bufferView().cursor().macroModeClose())
 437                 view_.currentMainWorkArea()->bufferView().processUpdateFlags(Update::Force);
 438
 439         // FIXME: create a Dialog::returnFocus()
 440         // or something instead of this:
 441         view_.setCurrentWorkArea(view_.currentMainWorkArea());
 442         findAndReplace(caseCB->isChecked(),
 443                 wordsCB->isChecked(),
 444                 backwards,
 445                 expandMacrosCB->isChecked(),
 446                 ignoreFormatCB->isChecked(),
 447                 replace,
 448                 keepCaseCB->isChecked());
 449 }
 450
 451
 452 void FindAndReplaceWidget::hideDialog()
 453 {
 454         dispatch(FuncRequest(LFUN_DIALOG_TOGGLE, "findreplaceadv"));
 455 }
 456
 457
 458 void FindAndReplaceWidget::on_findNextPB_clicked()
 459 {
 460         findAndReplace(searchbackCB->isChecked(), false);
 461         find_work_area_->setFocus();
 462 }
 463
 464
 465 void FindAndReplaceWidget::on_replacePB_clicked()
 466 {
 467         findAndReplace(searchbackCB->isChecked(), true);
 468         replace_work_area_->setFocus();
 469 }
 470
 471
 472 void FindAndReplaceWidget::on_replaceallPB_clicked()
 473 {
 474         replace_work_area_->setFocus();
 475 }
 476
 477
 478 void FindAndReplaceWidget::showEvent(QShowEvent * /* ev */)
 479 {
 480         LYXERR(Debug::DEBUG, "showEvent()" << endl);
 481         BufferView * bv = view_.documentBufferView();
 482         if (bv) {
 483                 Buffer & doc_buf = bv->buffer();
 484                 BufferParams & doc_bp = doc_buf.params();
 485                 Buffer & find_buf = find_work_area_->bufferView().buffer();
 486                 LYXERR(Debug::FIND, "Applying document params to find buffer");
 487                 ApplyParams(find_buf, doc_bp);
 488                 Buffer & replace_buf = replace_work_area_->bufferView().buffer();
 489                 LYXERR(Debug::FIND, "Applying document params to replace buffer");
 490                 ApplyParams(replace_buf, doc_bp);
 491
 492                 string lang = doc_bp.language->lang();
 493                 LYXERR(Debug::FIND, "Setting current editing language to " << lang << endl);
 494                 FuncRequest cmd(LFUN_LANGUAGE, lang);
 495                 find_buf.text().dispatch(find_work_area_->bufferView().cursor(), cmd);
 496                 replace_buf.text().dispatch(replace_work_area_->bufferView().cursor(), cmd);
 497         }
 498
 499         find_work_area_->installEventFilter(this);
 500         replace_work_area_->installEventFilter(this);
 501
 502         view_.setCurrentWorkArea(find_work_area_);
 503         LYXERR(Debug::FIND, "Selecting entire find buffer");
 504         dispatch(FuncRequest(LFUN_BUFFER_BEGIN));
 505         dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
 506 }
 507
 508
 509 void FindAndReplaceWidget::hideEvent(QHideEvent *ev)
 510 {
 511         replace_work_area_->removeEventFilter(this);
 512         find_work_area_->removeEventFilter(this);
 513         this->QWidget::hideEvent(ev);
 514 }
 515
 516
 517 bool FindAndReplaceWidget::initialiseParams(std::string const & /*params*/)
 518 {
 519         return true;
 520 }
 521
 522
 523 FindAndReplace::FindAndReplace(GuiView & parent,
 524                 Qt::DockWidgetArea area, Qt::WindowFlags flags)
 525         : DockView(parent, "findreplaceadv", qt_("Advanced Find and Replace"),
 526                    area, flags)
 527 {
 528         widget_ = new FindAndReplaceWidget(parent);
 529         setWidget(widget_);
 530         setFocusProxy(widget_);
 531 }
 532
 533
 534 FindAndReplace::~FindAndReplace()
 535 {
 536         setFocusProxy(0);
 537         delete widget_;
 538 }
 539
 540
 541 bool FindAndReplace::initialiseParams(std::string const & params)
 542 {
 543         return widget_->initialiseParams(params);
 544 }
 545
 546
 547 Dialog * createGuiSearchAdv(GuiView & lv)
 548 {
 549         FindAndReplace * gui = new FindAndReplace(lv, Qt::RightDockWidgetArea);
 550 #ifdef Q_WS_MACX
 551         // On Mac show and floating
 552         gui->setFloating(true);
 553 #endif
 554         return gui;
 555 }
 556
 557
 558 } // namespace frontend
 559 } // namespace lyx
 560
 561
 562 #include "moc_FindAndReplace.cpp"