src/frontends/qt4/QWorkArea.C

   1 /**
   2  * \file QWorkArea.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author John Levon
   7  * \author Abdelrazak Younes
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include <boost/current_function.hpp>
  15
  16 #include "QWorkArea.h"
  17 #include "QLPainter.h"
  18 #include "QLyXKeySym.h"
  19
  20 #include "lcolorcache.h"
  21 #include "qt_helpers.h"
  22 #include "BufferView.h"
  23 #include "debug.h"
  24 #include "funcrequest.h"
  25 #include "LColor.h"
  26 #include "support/os.h"
  27
  28 #include <QApplication>
  29 #include <QClipboard>
  30 #include <QLayout>
  31 #include <QMainWindow>
  32 #include <QMimeData>
  33 #include <QUrl>
  34 #include <QDragEnterEvent>
  35 #include <QPixmap>
  36 #include <QPainter>
  37 #include <QScrollBar>
  38
  39 #include <boost/bind.hpp>
  40
  41 ///////////////////////////////////////////////////////////////
  42 // Specific stuff
  43 #ifdef Q_WS_X11
  44 #include <X11/Xlib.h>
  45 #endif
  46
  47 #ifdef Q_WS_MACX
  48 #include <Carbon/Carbon.h>
  49 #include <support/lstrings.h>
  50 using lyx::support::subst;
  51 #endif
  52
  53 // You can find other qt-immodule, X11 and MACX specific stuff
  54 // at the end of this file...
  55 ///////////////////////////////////////////////////////////////
  56
  57 using std::endl;
  58 using std::string;
  59
  60 namespace os = lyx::support::os;
  61
  62 namespace {
  63
  64 QWorkArea * wa_ptr = 0;
  65
  66 /// return the LyX key state from Qt's
  67 key_modifier::state q_key_state(Qt::ButtonState state)
  68 {
  69         key_modifier::state k = key_modifier::none;
  70         if (state & Qt::ControlModifier)
  71                 k |= key_modifier::ctrl;
  72         if (state & Qt::ShiftModifier)
  73                 k |= key_modifier::shift;
  74         if (state & Qt::AltModifier)
  75                 k |= key_modifier::alt;
  76         return k;
  77 }
  78
  79
  80 /// return the LyX mouse button state from Qt's
  81 mouse_button::state q_button_state(Qt::ButtonState button)
  82 {
  83         mouse_button::state b = mouse_button::none;
  84         switch (button) {
  85                 case Qt::LeftButton:
  86                         b = mouse_button::button1;
  87                         break;
  88                 case Qt::MidButton:
  89                         b = mouse_button::button2;
  90                         break;
  91                 case Qt::RightButton:
  92                         b = mouse_button::button3;
  93                         break;
  94                 default:
  95                         break;
  96         }
  97         return b;
  98 }
  99
 100
 101 /// return the LyX mouse button state from Qt's
 102 mouse_button::state q_motion_state(Qt::ButtonState state)
 103 {
 104         mouse_button::state b = mouse_button::none;
 105         if (state & Qt::LeftButton)
 106                 b |= mouse_button::button1;
 107         if (state & Qt::MidButton)
 108                 b |= mouse_button::button2;
 109         if (state & Qt::RightButton)
 110                 b |= mouse_button::button3;
 111         return b;
 112 }
 113
 114 } // namespace anon
 115
 116 // This is a 'heartbeat' generating synthetic mouse move events when the
 117 // cursor is at the top or bottom edge of the viewport. One scroll per 0.2 s
 118 SyntheticMouseEvent::SyntheticMouseEvent()
 119         : timeout(200), restart_timeout(true),
 120           x_old(-1), y_old(-1), scrollbar_value_old(-1.0)
 121 {}
 122
 123
 124 QWorkArea::QWorkArea(LyXView & owner, int w, int h)
 125     : QAbstractScrollArea(qApp->mainWidget()), WorkArea(), view_(owner), painter_(this)
 126 {
 127         setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
 128         setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
 129
 130         (static_cast<QMainWindow*>(qApp->mainWidget()))->setCentralWidget(this);
 131
 132         setAcceptDrops(true);
 133
 134         setMinimumSize(100, 70);
 135
 136         viewport()->setAutoFillBackground(false);
 137         viewport()->setAttribute(Qt::WA_OpaquePaintEvent);
 138
 139         viewport()->setFocusPolicy(Qt::WheelFocus);
 140         viewport()->setFocus();
 141         setFocusPolicy(Qt::WheelFocus);
 142
 143         viewport()->setCursor(Qt::IBeamCursor);
 144
 145         resize(w, h);
 146         show();
 147         workWidth_ = w;
 148         workHeight_ = h;
 149
 150         synthetic_mouse_event_.timeout.timeout.connect(
 151                 boost::bind(&QWorkArea::generateSyntheticMouseEvent,
 152                             this));
 153
 154         // Initialize the vertical Scroll Bar
 155         QObject::connect(verticalScrollBar(), SIGNAL(actionTriggered(int)),
 156                 this, SLOT(adjustViewWithScrollBar(int)));
 157
 158         // PageStep only depends on the viewport height.
 159         verticalScrollBar()->setPageStep(workHeight_);
 160
 161         lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
 162                 << "\n Area width\t" << width()
 163                 << "\n Area height\t" << height()
 164                 << "\n viewport width\t" << viewport()->width()
 165                 << "\n viewport height\t" << viewport()->height()
 166                 << endl;
 167
 168 /*
 169         // This is the keyboard buffering stuff...
 170         // I don't see any need for this under windows. The keyboard is reactive
 171     // enough...
 172
 173         if ( !QObject::connect(&step_timer_, SIGNAL(timeout()),
 174                 this, SLOT(keyeventTimeout())) )
 175                         lyxerr[Debug::GUI] << "ERROR: keyeventTimeout cannot connect!" << endl;
 176
 177         // Start the timer, one-shot.
 178         step_timer_.start(50, true);
 179 */
 180
 181         ///////////////////////////////////////////////////////////////////////
 182         // Specific stuff goes here...
 183
 184 #if USE_INPUT_METHODS
 185         // to make qt-immodule work
 186         setInputMethodEnabled(true);
 187 #endif
 188
 189 #ifdef Q_WS_X11
 190         // doubleClickInterval() is 400 ms on X11 witch is just too long.
 191         // On Windows and Mac OS X, the operating system's value is used.
 192         // On Microsoft Windows, calling this function sets the double
 193         // click interval for all applications. So we don't!
 194         QApplication::setDoubleClickInterval(300);
 195 #endif
 196
 197 #ifdef Q_WS_MACX
 198         wa_ptr = this;
 199 #endif
 200 }
 201
 202 QWorkArea::~QWorkArea()
 203 {
 204 }
 205
 206 void QWorkArea::setScrollbarParams(int h, int scroll_pos, int scroll_line_step)
 207 {
 208         // do what cursor movement does (some grey)
 209         h += height() / 4;
 210         int scroll_max_ = std::max(0, h - height());
 211
 212         verticalScrollBar()->setRange(0, scroll_max_);
 213         verticalScrollBar()->setSliderPosition(scroll_pos);
 214         verticalScrollBar()->setLineStep(scroll_line_step);
 215 }
 216
 217 void QWorkArea::adjustViewWithScrollBar(int action)
 218 {
 219         lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
 220                 << " verticalScrollBar val=" << verticalScrollBar()->value()
 221                 << " verticalScrollBar pos=" << verticalScrollBar()->sliderPosition()
 222                 << " min=" << verticalScrollBar()->minimum()
 223                 << " max=" << verticalScrollBar()->maximum()
 224                 << " pagestep=" << verticalScrollBar()->pageStep()
 225                 << " linestep=" << verticalScrollBar()->lineStep()
 226                 << endl;
 227
 228         view_.view()->scrollDocView(verticalScrollBar()->sliderPosition());
 229 }
 230
 231
 232 void QWorkArea::haveSelection(bool own) const
 233 {
 234         /// \todo ask X11 and MAC devels why this wa_ptr is useful.
 235         wa_ptr = const_cast<QWorkArea*>(this);
 236
 237         if (!QApplication::clipboard()->supportsSelection())
 238                 return;
 239
 240         if (own) {
 241                 QApplication::clipboard()->setText(QString(), QClipboard::Selection);
 242         }
 243         // We don't need to do anything if own = false, as this case is
 244         // handled by QT.
 245 }
 246
 247
 248 string const QWorkArea::getClipboard() const
 249 {
 250         QString str = QApplication::clipboard()->text(QClipboard::Selection);
 251         lyxerr[Debug::ACTION] << "getClipboard: " << (const char*) str << endl;
 252         if (str.isNull())
 253                 return string();
 254 #ifdef Q_WS_MACX
 255         // The MAC clipboard uses \r for lineendings, and we use \n
 256         return subst(fromqstr(str), '\r', '\n');
 257 #else
 258         return fromqstr(str);
 259 #endif
 260 }
 261
 262
 263 void QWorkArea::putClipboard(string const & str) const
 264 {
 265 #ifdef Q_WS_MACX
 266         // The MAC clipboard uses \r for lineendings, and we use \n
 267         QApplication::clipboard()->setText(toqstr(subst(str, '\n', '\r')),
 268                                            QClipboard::Selection);
 269 #else
 270         QApplication::clipboard()->setText(toqstr(str), QClipboard::Selection);
 271 #endif
 272         lyxerr[Debug::ACTION] << "putClipboard: " << str << endl;
 273 }
 274
 275
 276 void QWorkArea::dragEnterEvent(QDragEnterEvent * event)
 277 {
 278         if (event->mimeData()->hasUrls())
 279                 event->accept();
 280         /// \todo Ask lyx-devel is this is enough:
 281         /// if (event->mimeData()->hasFormat("text/plain"))
 282         ///     event->acceptProposedAction();
 283
 284 }
 285
 286
 287 void QWorkArea::dropEvent(QDropEvent* event)
 288 {
 289         QList<QUrl> files = event->mimeData()->urls();
 290         if (files.isEmpty())
 291                 return;
 292
 293         lyxerr[Debug::GUI] << "QWorkArea::dropEvent: got URIs!" << endl;
 294         for (int i = 0; i!=files.size(); ++i) {
 295                 string const file = os::internal_path(fromqstr(files.at(i).toString()));
 296                 if (!file.empty())
 297                         view_.view()->workAreaDispatch(FuncRequest(LFUN_FILE_OPEN, file));
 298         }
 299 }
 300
 301
 302 void QWorkArea::mousePressEvent(QMouseEvent * e)
 303 {
 304         if (dc_event_.active && dc_event_ == *e) {
 305                 dc_event_.active = false;
 306                 FuncRequest cmd(LFUN_MOUSE_TRIPLE,
 307                         dc_event_.x, dc_event_.y,
 308                         q_button_state(dc_event_.state));
 309                 view_.view()->workAreaDispatch(cmd);
 310                 return;
 311         }
 312
 313         FuncRequest const cmd(LFUN_MOUSE_PRESS, e->x(), e->y(),
 314                               q_button_state(e->button()));
 315         view_.view()->workAreaDispatch(cmd);
 316 }
 317
 318
 319 void QWorkArea::mouseReleaseEvent(QMouseEvent * e)
 320 {
 321         if (synthetic_mouse_event_.timeout.running())
 322                 synthetic_mouse_event_.timeout.stop();
 323
 324         FuncRequest const cmd(LFUN_MOUSE_RELEASE, e->x(), e->y(),
 325                               q_button_state(e->button()));
 326         view_.view()->workAreaDispatch(cmd);
 327 }
 328
 329
 330 void QWorkArea::mouseMoveEvent(QMouseEvent * e)
 331 {
 332         FuncRequest cmd(LFUN_MOUSE_MOTION, e->x(), e->y(),
 333                               q_motion_state(e->state()));
 334
 335         // If we're above or below the work area...
 336         if (e->y() <= 20 || e->y() >= viewport()->height() - 20) {
 337                 // Make sure only a synthetic event can cause a page scroll,
 338                 // so they come at a steady rate:
 339                 if (e->y() <= 20)
 340                         // _Force_ a scroll up:
 341                         cmd.y = -40;
 342                 else
 343                         cmd.y = viewport()->height();
 344                 // Store the event, to be handled when the timeout expires.
 345                 synthetic_mouse_event_.cmd = cmd;
 346
 347                 if (synthetic_mouse_event_.timeout.running())
 348                         // Discard the event. Note that it _may_ be handled
 349                         // when the timeout expires if
 350                         // synthetic_mouse_event_.cmd has not been overwritten.
 351                         // Ie, when the timeout expires, we handle the
 352                         // most recent event but discard all others that
 353                         // occurred after the one used to start the timeout
 354                         // in the first place.
 355                         return;
 356                 else {
 357                         synthetic_mouse_event_.restart_timeout = true;
 358                         synthetic_mouse_event_.timeout.start();
 359                         // Fall through to handle this event...
 360                 }
 361
 362         } else if (synthetic_mouse_event_.timeout.running()) {
 363                 // Store the event, to be possibly handled when the timeout
 364                 // expires.
 365                 // Once the timeout has expired, normal control is returned
 366                 // to mouseMoveEvent (restart_timeout = false).
 367                 // This results in a much smoother 'feel' when moving the
 368                 // mouse back into the work area.
 369                 synthetic_mouse_event_.cmd = cmd;
 370                 synthetic_mouse_event_.restart_timeout = false;
 371                 return;
 372         }
 373
 374         // Has anything changed on-screen since the last QMouseEvent
 375         // was received?
 376         double const scrollbar_value = verticalScrollBar()->value();
 377         if (e->x() != synthetic_mouse_event_.x_old ||
 378             e->y() != synthetic_mouse_event_.y_old ||
 379             scrollbar_value != synthetic_mouse_event_.scrollbar_value_old) {
 380                 // Yes it has. Store the params used to check this.
 381                 synthetic_mouse_event_.x_old = e->x();
 382                 synthetic_mouse_event_.y_old = e->y();
 383                 synthetic_mouse_event_.scrollbar_value_old = scrollbar_value;
 384
 385                 // ... and dispatch the event to the LyX core.
 386                 view_.view()->workAreaDispatch(cmd);
 387         }
 388 }
 389
 390
 391 void QWorkArea::wheelEvent(QWheelEvent * e)
 392 {
 393         // Wheel rotation by one notch results in a delta() of 120 (see
 394         // documentation of QWheelEvent)
 395         int const lines = QApplication::wheelScrollLines() * e->delta() / 120;
 396         verticalScrollBar()->setValue(verticalScrollBar()->value() -
 397                         lines *  verticalScrollBar()->lineStep());
 398         adjustViewWithScrollBar();
 399 }
 400
 401
 402 void QWorkArea::generateSyntheticMouseEvent()
 403 {
 404         // Set things off to generate the _next_ 'pseudo' event.
 405         if (synthetic_mouse_event_.restart_timeout)
 406                 synthetic_mouse_event_.timeout.start();
 407
 408         // Has anything changed on-screen since the last timeout signal
 409         // was received?
 410         double const scrollbar_value = verticalScrollBar()->value();
 411         if (scrollbar_value != synthetic_mouse_event_.scrollbar_value_old) {
 412                 // Yes it has. Store the params used to check this.
 413                 synthetic_mouse_event_.scrollbar_value_old = scrollbar_value;
 414
 415                 // ... and dispatch the event to the LyX core.
 416                 view_.view()->workAreaDispatch(synthetic_mouse_event_.cmd);
 417         }
 418 }
 419
 420 void QWorkArea::keyPressEvent(QKeyEvent * e)
 421 {
 422         lyxerr[Debug::KEY] << BOOST_CURRENT_FUNCTION
 423                 << " count=" << e->count()
 424                 << " text=" << (const char *) e->text()
 425                 << " isAutoRepeat=" << e->isAutoRepeat()
 426                 << " key=" << e->key()
 427                 << endl;
 428
 429 //      keyeventQueue_.push(boost::shared_ptr<QKeyEvent>(new QKeyEvent(*e)));
 430
 431     boost::shared_ptr<QLyXKeySym> sym(new QLyXKeySym);
 432     sym->set(e);
 433     view_.view()->workAreaKeyPress(sym, q_key_state(e->state()));
 434
 435 }
 436
 437 // This is not used for now...
 438 void QWorkArea::keyeventTimeout()
 439 {
 440         bool handle_autos = true;
 441
 442         while (!keyeventQueue_.empty()) {
 443                 boost::shared_ptr<QKeyEvent> ev = keyeventQueue_.front();
 444
 445                 // We never handle more than one auto repeated
 446                 // char in a list of queued up events.
 447                 if (!handle_autos && ev->isAutoRepeat()) {
 448                         keyeventQueue_.pop();
 449                         continue;
 450                 }
 451
 452                 boost::shared_ptr<QLyXKeySym> sym(new QLyXKeySym);
 453                 sym->set(ev.get());
 454
 455                 lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
 456                                    << " count=" << ev->count()
 457                                    << " text=" << (const char *) ev->text()
 458                                    << " isAutoRepeat=" << ev->isAutoRepeat()
 459                                    << " key=" << ev->key()
 460                                    << endl;
 461
 462                 view_.view()->workAreaKeyPress(sym, q_key_state(ev->state()));
 463                 keyeventQueue_.pop();
 464
 465                 handle_autos = false;
 466         }
 467
 468         // Restart the timer.
 469         step_timer_.start(25, true);
 470 }
 471
 472
 473 void QWorkArea::mouseDoubleClickEvent(QMouseEvent * e)
 474 {
 475         dc_event_ = double_click(e);
 476
 477         if (!dc_event_.active)
 478                 return;
 479
 480         dc_event_.active = false;
 481
 482         FuncRequest cmd(LFUN_MOUSE_DOUBLE,
 483                 dc_event_.x, dc_event_.y,
 484                 q_button_state(dc_event_.state));
 485         view_.view()->workAreaDispatch(cmd);
 486 }
 487
 488
 489 void QWorkArea::resizeEvent(QResizeEvent * resizeEvent)
 490 {
 491         workWidth_ = viewport()->width();
 492         workHeight_ = viewport()->height();
 493
 494         verticalScrollBar()->setPageStep(viewport()->height());
 495
 496         screen_device_ = QPixmap(viewport()->width(), viewport()->height());
 497         paint_device_ = QImage(viewport()->width(), viewport()->height(), QImage::Format_RGB32);
 498
 499         view_.view()->workAreaResize();
 500
 501         /*
 502         lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
 503                 << "\n QWidget width\t" << this->QWidget::width()
 504                 << "\n QWidget height\t" << this->QWidget::height()
 505                 << "\n viewport width\t" << viewport()->width()
 506                 << "\n viewport height\t" << viewport()->height()
 507                 << "\n QResizeEvent rect left\t" << rect().left()
 508                 << "\n QResizeEvent rect right\t" << rect().right()
 509                 << endl;
 510                 */
 511 }
 512
 513 void QWorkArea::update(int x, int y, int w, int h)
 514 {
 515         //screen_device_.fromImage(paint_device_);
 516         QPainter q(&screen_device_);
 517         q.drawImage(x, y, paint_device_.copy(x, y, w, h));
 518
 519         viewport()->update(x, y, w, h);
 520 }
 521
 522 void QWorkArea::paintEvent(QPaintEvent * e)
 523 {
 524         /*
 525         lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
 526                 << "\n QWidget width\t" << this->width()
 527                 << "\n QWidget height\t" << this->height()
 528                 << "\n viewport width\t" << viewport()->width()
 529                 << "\n viewport height\t" << viewport()->height()
 530                 << "\n pixmap width\t" << pixmap_->width()
 531                 << "\n pixmap height\t" << pixmap_->height()
 532                 << "\n QPaintEvent x\t" << e->rect().x()
 533                 << "\n QPaintEvent y\t" << e->rect().y()
 534                 << "\n QPaintEvent w\t" << e->rect().width()
 535                 << "\n QPaintEvent h\t" << e->rect().height()
 536                 << endl;
 537         */
 538         QPainter q(viewport());
 539         q.drawPixmap(e->rect(), screen_device_, e->rect());
 540 }
 541
 542
 543 QPixmap QWorkArea::copyScreen(int x, int y, int w, int h) const
 544 {
 545         return screen_device_.copy(x, y, w, h);
 546 }
 547
 548 void QWorkArea::drawScreen(int x, int y, QPixmap pixmap)
 549 {
 550         QPainter q(&screen_device_);
 551         q.drawPixmap(x, y, pixmap);
 552         viewport()->update(x, y, pixmap.width(), pixmap.height());
 553 }
 554
 555
 556 ///////////////////////////////////////////////////////////////
 557 ///////////////////////////////////////////////////////////////
 558 // Specific stuff
 559
 560 ////////////////////////////////////////////////////////////////////////
 561 // qt-immodule specific stuff goes here...
 562
 563 #if USE_INPUT_METHODS
 564 // to make qt-immodule work
 565
 566 void QWorkArea::inputMethodEvent(QInputMethodEvent * e)
 567 {
 568         QString const text = e->text();
 569         if (!text.isEmpty()) {
 570                 int key = 0;
 571                 // needed to make math superscript work on some systems
 572                 // ideally, such special coding should not be necessary
 573                 if (text == "^")
 574                         key = Qt::Key_AsciiCircum;
 575                 QKeyEvent ev(QEvent::KeyPress, key, *text.ascii(), 0, text);
 576                 keyPressEvent(&ev);
 577         }
 578         e->accept();
 579 }
 580 #endif
 581
 582
 583 ////////////////////////////////////////////////////////////////////////
 584 // X11 specific stuff goes here...
 585
 586 #ifdef Q_WS_X11
 587 bool lyxX11EventFilter(XEvent * xev)
 588 {
 589         switch (xev->type) {
 590         case SelectionRequest:
 591                 lyxerr[Debug::GUI] << "X requested selection." << endl;
 592                 if (wa_ptr)
 593                         wa_ptr->view().view()->selectionRequested();
 594                 break;
 595         case SelectionClear:
 596                 lyxerr[Debug::GUI] << "Lost selection." << endl;
 597                 if (wa_ptr)
 598                         wa_ptr->view().view()->selectionLost();
 599                 break;
 600         }
 601         return false;
 602 }
 603 #endif
 604
 605
 606 ////////////////////////////////////////////////////////////////////////
 607 // Mac OSX specific stuff goes here...
 608
 609 #ifdef Q_WS_MACX
 610 namespace{
 611 OSErr checkAppleEventForMissingParams(const AppleEvent& theAppleEvent)
 612  {
 613         DescType returnedType;
 614         Size actualSize;
 615         OSErr err = AEGetAttributePtr(&theAppleEvent, keyMissedKeywordAttr,
 616                                       typeWildCard, &returnedType, nil, 0,
 617                                       &actualSize);
 618         switch (err) {
 619         case errAEDescNotFound:
 620                 return noErr;
 621         case noErr:
 622                 return errAEEventNotHandled;
 623         default:
 624                 return err;
 625         }
 626  }
 627 }
 628
 629 pascal OSErr handleOpenDocuments(const AppleEvent* inEvent,
 630                                  AppleEvent* /*reply*/, long /*refCon*/)
 631 {
 632         QString s_arg;
 633         AEDescList documentList;
 634         OSErr err = AEGetParamDesc(inEvent, keyDirectObject, typeAEList,
 635                                    &documentList);
 636         if (err != noErr)
 637                 return err;
 638
 639         err = checkAppleEventForMissingParams(*inEvent);
 640         if (err == noErr) {
 641                 long documentCount;
 642                 err = AECountItems(&documentList, &documentCount);
 643                 for (long documentIndex = 1;
 644                      err == noErr && documentIndex <= documentCount;
 645                      documentIndex++) {
 646                         DescType returnedType;
 647                         Size actualSize;
 648                         AEKeyword keyword;
 649                         FSRef ref;
 650                         char qstr_buf[1024];
 651                         err = AESizeOfNthItem(&documentList, documentIndex,
 652                                               &returnedType, &actualSize);
 653                         if (err == noErr) {
 654                                 err = AEGetNthPtr(&documentList, documentIndex,
 655                                                   typeFSRef, &keyword,
 656                                                   &returnedType, (Ptr)&ref,
 657                                                   sizeof(FSRef), &actualSize);
 658                                 if (err == noErr) {
 659                                         FSRefMakePath(&ref, (UInt8*)qstr_buf,
 660                                                       1024);
 661                                         s_arg=QString::fromUtf8(qstr_buf);
 662                                         wa_ptr->view().view()->workAreaDispatch(
 663                                                 FuncRequest(LFUN_FILE_OPEN,
 664                                                             fromqstr(s_arg)));
 665                                         break;
 666                                 }
 667                         }
 668                 } // for ...
 669         }
 670         AEDisposeDesc(&documentList);
 671         return err;
 672 }
 673 #endif  // Q_WS_MACX
 674
 675 #include "QWorkArea_moc.cpp"