src/frontends/qt4/GuiView.cpp

   1 /**
   2  * \file GuiView.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author John Levon
   8  * \author Abdelrazak Younes
   9  * \author Peter Kümmel
  10  *
  11  * Full author contact details are available in file CREDITS.
  12  */
  13
  14 #include <config.h>
  15
  16 #include "GuiView.h"
  17
  18 #include "Dialog.h"
  19 #include "DispatchResult.h"
  20 #include "FileDialog.h"
  21 #include "FontLoader.h"
  22 #include "GuiApplication.h"
  23 #include "GuiCommandBuffer.h"
  24 #include "GuiCompleter.h"
  25 #include "GuiKeySymbol.h"
  26 #include "GuiToc.h"
  27 #include "GuiToolbar.h"
  28 #include "GuiWorkArea.h"
  29 #include "GuiProgress.h"
  30 #include "LayoutBox.h"
  31 #include "Menus.h"
  32 #include "TocModel.h"
  33
  34 #include "qt_helpers.h"
  35
  36 #include "frontends/alert.h"
  37
  38 #include "buffer_funcs.h"
  39 #include "Buffer.h"
  40 #include "BufferList.h"
  41 #include "BufferParams.h"
  42 #include "BufferView.h"
  43 #include "Compare.h"
  44 #include "Converter.h"
  45 #include "Cursor.h"
  46 #include "CutAndPaste.h"
  47 #include "Encoding.h"
  48 #include "ErrorList.h"
  49 #include "Format.h"
  50 #include "FuncStatus.h"
  51 #include "FuncRequest.h"
  52 #include "Intl.h"
  53 #include "Layout.h"
  54 #include "Lexer.h"
  55 #include "LyXAction.h"
  56 #include "LyX.h"
  57 #include "LyXRC.h"
  58 #include "LyXVC.h"
  59 #include "Paragraph.h"
  60 #include "SpellChecker.h"
  61 #include "TexRow.h"
  62 #include "TextClass.h"
  63 #include "Text.h"
  64 #include "Toolbars.h"
  65 #include "version.h"
  66
  67 #include "support/convert.h"
  68 #include "support/debug.h"
  69 #include "support/ExceptionMessage.h"
  70 #include "support/FileName.h"
  71 #include "support/filetools.h"
  72 #include "support/gettext.h"
  73 #include "support/filetools.h"
  74 #include "support/ForkedCalls.h"
  75 #include "support/lassert.h"
  76 #include "support/lstrings.h"
  77 #include "support/os.h"
  78 #include "support/Package.h"
  79 #include "support/Path.h"
  80 #include "support/Systemcall.h"
  81 #include "support/Timeout.h"
  82 #include "support/ProgressInterface.h"
  83
  84 #include <QAction>
  85 #include <QApplication>
  86 #include <QCloseEvent>
  87 #include <QDebug>
  88 #include <QDesktopWidget>
  89 #include <QDragEnterEvent>
  90 #include <QDropEvent>
  91 #include <QLabel>
  92 #include <QList>
  93 #include <QMenu>
  94 #include <QMenuBar>
  95 #include <QMovie>
  96 #include <QPainter>
  97 #include <QPixmap>
  98 #include <QPixmapCache>
  99 #include <QPoint>
 100 #include <QPushButton>
 101 #include <QSettings>
 102 #include <QShowEvent>
 103 #include <QSplitter>
 104 #include <QStackedWidget>
 105 #include <QStatusBar>
 106 #include <QTime>
 107 #include <QTimer>
 108 #include <QToolBar>
 109 #include <QUrl>
 110 #include <QScrollBar>
 111
 112
 113
 114 #define EXPORT_in_THREAD 1
 115
 116 // QtConcurrent was introduced in Qt 4.4
 117 #if (QT_VERSION >= 0x040400)
 118 #include <QFuture>
 119 #include <QFutureWatcher>
 120 #include <QtConcurrentRun>
 121 #endif
 122
 123 #include "support/bind.h"
 124
 125 #include <sstream>
 126
 127 #ifdef HAVE_SYS_TIME_H
 128 # include <sys/time.h>
 129 #endif
 130 #ifdef HAVE_UNISTD_H
 131 # include <unistd.h>
 132 #endif
 133
 134
 135 using namespace std;
 136 using namespace lyx::support;
 137
 138 namespace lyx {
 139
 140 using support::addExtension;
 141 using support::changeExtension;
 142 using support::removeExtension;
 143
 144 namespace frontend {
 145
 146 namespace {
 147
 148 class BackgroundWidget : public QWidget
 149 {
 150 public:
 151         BackgroundWidget()
 152         {
 153                 LYXERR(Debug::GUI, "show banner: " << lyxrc.show_banner);
 154                 if (!lyxrc.show_banner)
 155                         return;
 156                 /// The text to be written on top of the pixmap
 157                 QString const text = lyx_version ?
 158                         qt_("version ") + lyx_version : qt_("unknown version");
 159                 splash_ = getPixmap("images/", "banner", "png");
 160
 161                 QPainter pain(&splash_);
 162                 pain.setPen(QColor(0, 0, 0));
 163                 QFont font;
 164                 // The font used to display the version info
 165                 font.setStyleHint(QFont::SansSerif);
 166                 font.setWeight(QFont::Bold);
 167                 font.setPointSize(int(toqstr(lyxrc.font_sizes[FONT_SIZE_LARGE]).toDouble()));
 168                 pain.setFont(font);
 169                 pain.drawText(190, 225, text);
 170                 setFocusPolicy(Qt::StrongFocus);
 171         }
 172
 173         void paintEvent(QPaintEvent *)
 174         {
 175                 int x = (width() - splash_.width()) / 2;
 176                 int y = (height() - splash_.height()) / 2;
 177                 QPainter pain(this);
 178                 pain.drawPixmap(x, y, splash_);
 179         }
 180
 181         void keyPressEvent(QKeyEvent * ev)
 182         {
 183                 KeySymbol sym;
 184                 setKeySymbol(&sym, ev);
 185                 if (sym.isOK()) {
 186                         guiApp->processKeySym(sym, q_key_state(ev->modifiers()));
 187                         ev->accept();
 188                 } else {
 189                         ev->ignore();
 190                 }
 191         }
 192
 193 private:
 194         QPixmap splash_;
 195 };
 196
 197
 198 /// Toolbar store providing access to individual toolbars by name.
 199 typedef map<string, GuiToolbar *> ToolbarMap;
 200
 201 typedef shared_ptr<Dialog> DialogPtr;
 202
 203 } // namespace anon
 204
 205
 206 struct GuiView::GuiViewPrivate
 207 {
 208         GuiViewPrivate(GuiView * gv)
 209                 : gv_(gv), current_work_area_(0), current_main_work_area_(0),
 210                 layout_(0), autosave_timeout_(5000),
 211                 in_show_(false)
 212         {
 213                 // hardcode here the platform specific icon size
 214                 smallIconSize = 16;  // scaling problems
 215                 normalIconSize = 20; // ok, default if iconsize.png is missing
 216                 bigIconSize = 26;       // better for some math icons
 217
 218                 // if it exists, use width of iconsize.png as normal size
 219                 QString const dir = toqstr(addPath("images", lyxrc.icon_set));
 220                 FileName const fn = lyx::libFileSearch(dir, "iconsize.png");
 221                 if (!fn.empty()) {
 222                         QImage image(toqstr(fn.absFileName()));
 223                         if (image.width() < int(smallIconSize))
 224                                 normalIconSize = smallIconSize;
 225                         else if (image.width() > int(bigIconSize))
 226                                 normalIconSize = bigIconSize;
 227                         else
 228                                 normalIconSize = image.width();
 229                 }
 230
 231                 splitter_ = new QSplitter;
 232                 bg_widget_ = new BackgroundWidget;
 233                 stack_widget_ = new QStackedWidget;
 234                 stack_widget_->addWidget(bg_widget_);
 235                 stack_widget_->addWidget(splitter_);
 236                 setBackground();
 237
 238                 // TODO cleanup, remove the singleton, handle multiple Windows?
 239                 progress_ = ProgressInterface::instance();
 240                 if (!dynamic_cast<GuiProgress*>(progress_)) {
 241                         progress_ = new GuiProgress();  // TODO who deletes it
 242                         ProgressInterface::setInstance(progress_);
 243                 }
 244                 QObject::connect(
 245                                 dynamic_cast<GuiProgress*>(progress_),
 246                                 SIGNAL(updateStatusBarMessage(QString const&)),
 247                                 gv, SLOT(updateStatusBarMessage(QString const&)));
 248                 QObject::connect(
 249                                 dynamic_cast<GuiProgress*>(progress_),
 250                                 SIGNAL(clearMessageText()),
 251                                 gv, SLOT(clearMessageText()));
 252         }
 253
 254         ~GuiViewPrivate()
 255         {
 256                 delete splitter_;
 257                 delete bg_widget_;
 258                 delete stack_widget_;
 259         }
 260
 261         QMenu * toolBarPopup(GuiView * parent)
 262         {
 263                 // FIXME: translation
 264                 QMenu * menu = new QMenu(parent);
 265                 QActionGroup * iconSizeGroup = new QActionGroup(parent);
 266
 267                 QAction * smallIcons = new QAction(iconSizeGroup);
 268                 smallIcons->setText(qt_("Small-sized icons"));
 269                 smallIcons->setCheckable(true);
 270                 QObject::connect(smallIcons, SIGNAL(triggered()),
 271                         parent, SLOT(smallSizedIcons()));
 272                 menu->addAction(smallIcons);
 273
 274                 QAction * normalIcons = new QAction(iconSizeGroup);
 275                 normalIcons->setText(qt_("Normal-sized icons"));
 276                 normalIcons->setCheckable(true);
 277                 QObject::connect(normalIcons, SIGNAL(triggered()),
 278                         parent, SLOT(normalSizedIcons()));
 279                 menu->addAction(normalIcons);
 280
 281                 QAction * bigIcons = new QAction(iconSizeGroup);
 282                 bigIcons->setText(qt_("Big-sized icons"));
 283                 bigIcons->setCheckable(true);
 284                 QObject::connect(bigIcons, SIGNAL(triggered()),
 285                         parent, SLOT(bigSizedIcons()));
 286                 menu->addAction(bigIcons);
 287
 288                 unsigned int cur = parent->iconSize().width();
 289                 if ( cur == parent->d.smallIconSize)
 290                         smallIcons->setChecked(true);
 291                 else if (cur == parent->d.normalIconSize)
 292                         normalIcons->setChecked(true);
 293                 else if (cur == parent->d.bigIconSize)
 294                         bigIcons->setChecked(true);
 295
 296                 return menu;
 297         }
 298
 299         void setBackground()
 300         {
 301                 stack_widget_->setCurrentWidget(bg_widget_);
 302                 bg_widget_->setUpdatesEnabled(true);
 303                 bg_widget_->setFocus();
 304         }
 305
 306         int tabWorkAreaCount()
 307         {
 308                 return splitter_->count();
 309         }
 310
 311         TabWorkArea * tabWorkArea(int i)
 312         {
 313                 return dynamic_cast<TabWorkArea *>(splitter_->widget(i));
 314         }
 315
 316         TabWorkArea * currentTabWorkArea()
 317         {
 318                 int areas = tabWorkAreaCount();
 319                 if (areas == 1)
 320                         // The first TabWorkArea is always the first one, if any.
 321                         return tabWorkArea(0);
 322
 323                 for (int i = 0; i != areas;  ++i) {
 324                         TabWorkArea * twa = tabWorkArea(i);
 325                         if (current_main_work_area_ == twa->currentWorkArea())
 326                                 return twa;
 327                 }
 328
 329                 // None has the focus so we just take the first one.
 330                 return tabWorkArea(0);
 331         }
 332
 333 #if (QT_VERSION >= 0x040400)
 334         void setPreviewFuture(QFuture<Buffer::ExportStatus> const & f)
 335         {
 336                 if (processing_thread_watcher_.isRunning()) {
 337                         // we prefer to cancel this preview in order to keep a snappy
 338                         // interface.
 339                         return;
 340                 }
 341                 processing_thread_watcher_.setFuture(f);
 342         }
 343 #endif
 344
 345 public:
 346         GuiView * gv_;
 347         GuiWorkArea * current_work_area_;
 348         GuiWorkArea * current_main_work_area_;
 349         QSplitter * splitter_;
 350         QStackedWidget * stack_widget_;
 351         BackgroundWidget * bg_widget_;
 352         /// view's toolbars
 353         ToolbarMap toolbars_;
 354         ProgressInterface* progress_;
 355         /// The main layout box.
 356         /**
 357          * \warning Don't Delete! The layout box is actually owned by
 358          * whichever toolbar contains it. All the GuiView class needs is a
 359          * means of accessing it.
 360          *
 361          * FIXME: replace that with a proper model so that we are not limited
 362          * to only one dialog.
 363          */
 364         LayoutBox * layout_;
 365
 366         ///
 367         map<string, DialogPtr> dialogs_;
 368
 369         unsigned int smallIconSize;
 370         unsigned int normalIconSize;
 371         unsigned int bigIconSize;
 372         ///
 373         QTimer statusbar_timer_;
 374         /// auto-saving of buffers
 375         Timeout autosave_timeout_;
 376         /// flag against a race condition due to multiclicks, see bug #1119
 377         bool in_show_;
 378
 379         ///
 380         TocModels toc_models_;
 381
 382 #if (QT_VERSION >= 0x040400)
 383         ///
 384         QFutureWatcher<docstring> autosave_watcher_;
 385         QFutureWatcher<Buffer::ExportStatus> processing_thread_watcher_;
 386         ///
 387         string last_export_format;
 388         string processing_format;
 389 #else
 390         struct DummyWatcher { bool isRunning(){return false;} };
 391         DummyWatcher processing_thread_watcher_;
 392 #endif
 393
 394         static QSet<Buffer const *> busyBuffers;
 395         static Buffer::ExportStatus previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
 396         static Buffer::ExportStatus exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
 397         static Buffer::ExportStatus compileAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
 398         static docstring autosaveAndDestroy(Buffer const * orig, Buffer * buffer);
 399
 400         template<class T>
 401         static Buffer::ExportStatus runAndDestroy(const T& func, Buffer const * orig, Buffer * buffer, string const & format);
 402
 403         // TODO syncFunc/previewFunc: use bind
 404         bool asyncBufferProcessing(string const & argument,
 405                                    Buffer const * used_buffer,
 406                                    docstring const & msg,
 407                                    Buffer::ExportStatus (*asyncFunc)(Buffer const *, Buffer *, string const &),
 408                                    Buffer::ExportStatus (Buffer::*syncFunc)(string const &, bool) const,
 409                                    Buffer::ExportStatus (Buffer::*previewFunc)(string const &) const);
 410
 411         QVector<GuiWorkArea*> guiWorkAreas();
 412 };
 413
 414 QSet<Buffer const *> GuiView::GuiViewPrivate::busyBuffers;
 415
 416
 417 GuiView::GuiView(int id)
 418         : d(*new GuiViewPrivate(this)), id_(id), closing_(false), busy_(0)
 419 {
 420         // GuiToolbars *must* be initialised before the menu bar.
 421         normalSizedIcons(); // at least on Mac the default is 32 otherwise, which is huge
 422         constructToolbars();
 423
 424         // set ourself as the current view. This is needed for the menu bar
 425         // filling, at least for the static special menu item on Mac. Otherwise
 426         // they are greyed out.
 427         guiApp->setCurrentView(this);
 428
 429         // Fill up the menu bar.
 430         guiApp->menus().fillMenuBar(menuBar(), this, true);
 431
 432         setCentralWidget(d.stack_widget_);
 433
 434         // Start autosave timer
 435         if (lyxrc.autosave) {
 436                 d.autosave_timeout_.timeout.connect(bind(&GuiView::autoSave, this));
 437                 d.autosave_timeout_.setTimeout(lyxrc.autosave * 1000);
 438                 d.autosave_timeout_.start();
 439         }
 440         connect(&d.statusbar_timer_, SIGNAL(timeout()),
 441                 this, SLOT(clearMessage()));
 442
 443         // We don't want to keep the window in memory if it is closed.
 444         setAttribute(Qt::WA_DeleteOnClose, true);
 445
 446 #if (!defined(Q_WS_WIN) && !defined(Q_WS_MACX))
 447         // QIcon::fromTheme was introduced in Qt 4.6
 448 #if (QT_VERSION >= 0x040600)
 449         // assign an icon to main form. We do not do it under Qt/Win or Qt/Mac,
 450         // since the icon is provided in the application bundle. We use a themed
 451         // version when available and use the bundled one as fallback.
 452         setWindowIcon(QIcon::fromTheme("lyx", getPixmap("images/", "lyx", "png")));
 453 #else
 454         setWindowIcon(getPixmap("images/", "lyx", "png"));
 455 #endif
 456
 457 #endif
 458
 459 #if (QT_VERSION >= 0x040300)
 460         // use tabbed dock area for multiple docks
 461         // (such as "source" and "messages")
 462         setDockOptions(QMainWindow::ForceTabbedDocks);
 463 #endif
 464
 465         // For Drag&Drop.
 466         setAcceptDrops(true);
 467
 468 #if (QT_VERSION >= 0x040400)
 469
 470         // add busy indicator to statusbar
 471         QLabel * busylabel = new QLabel(statusBar());
 472         statusBar()->addPermanentWidget(busylabel);
 473         QString fn = toqstr(lyx::libFileSearch("images", "busy.gif").absFileName());
 474         QMovie * busyanim = new QMovie(fn, QByteArray(), busylabel);
 475         busylabel->setMovie(busyanim);
 476         busyanim->start();
 477         busylabel->hide();
 478
 479         connect(&d.processing_thread_watcher_, SIGNAL(started()),
 480                 busylabel, SLOT(show()));
 481         connect(&d.processing_thread_watcher_, SIGNAL(finished()),
 482                 busylabel, SLOT(hide()));
 483
 484         statusBar()->setSizeGripEnabled(true);
 485         updateStatusBar();
 486
 487         connect(&d.autosave_watcher_, SIGNAL(finished()), this,
 488                 SLOT(autoSaveThreadFinished()));
 489
 490         connect(&d.processing_thread_watcher_, SIGNAL(started()), this,
 491                 SLOT(processingThreadStarted()));
 492         connect(&d.processing_thread_watcher_, SIGNAL(finished()), this,
 493                 SLOT(processingThreadFinished()));
 494
 495 #endif
 496
 497         connect(this, SIGNAL(triggerShowDialog(QString const &, QString const &, Inset *)),
 498                 SLOT(doShowDialog(QString const &, QString const &, Inset *)));
 499
 500         // Forbid too small unresizable window because it can happen
 501         // with some window manager under X11.
 502         setMinimumSize(300, 200);
 503
 504         if (lyxrc.allow_geometry_session) {
 505                 // Now take care of session management.
 506                 if (restoreLayout())
 507                         return;
 508         }
 509
 510         // no session handling, default to a sane size.
 511         setGeometry(50, 50, 690, 510);
 512         initToolbars();
 513
 514         // clear session data if any.
 515         QSettings settings;
 516         settings.remove("views");
 517 }
 518
 519
 520 GuiView::~GuiView()
 521 {
 522         delete &d;
 523 }
 524
 525
 526 QVector<GuiWorkArea*> GuiView::GuiViewPrivate::guiWorkAreas()
 527 {
 528         QVector<GuiWorkArea*> areas;
 529         for (int i = 0; i < tabWorkAreaCount(); i++) {
 530                 TabWorkArea* ta = tabWorkArea(i);
 531                 for (int u = 0; u < ta->count(); u++) {
 532                         areas << ta->workArea(u);
 533                 }
 534         }
 535         return areas;
 536 }
 537
 538 static void handleExportStatus(GuiView * view, Buffer::ExportStatus status,
 539         string const & format)
 540 {
 541         docstring const fmt = formats.prettyName(format);
 542         docstring msg;
 543         switch (status) {
 544         case Buffer::ExportSuccess:
 545                 msg = bformat(_("Successful export to format: %1$s"), fmt);
 546                 break;
 547         case Buffer::ExportCancel:
 548                 msg = _("Document export cancelled.");
 549                 break;
 550         case Buffer::ExportError:
 551         case Buffer::ExportNoPathToFormat:
 552         case Buffer::ExportTexPathHasSpaces:
 553         case Buffer::ExportConverterError:
 554                 msg = bformat(_("Error while exporting format: %1$s"), fmt);
 555                 break;
 556         case Buffer::PreviewSuccess:
 557                 msg = bformat(_("Successful preview of format: %1$s"), fmt);
 558                 break;
 559         case Buffer::PreviewError:
 560                 msg = bformat(_("Error while previewing format: %1$s"), fmt);
 561                 break;
 562         }
 563         view->message(msg);
 564 }
 565
 566
 567 #if QT_VERSION >= 0x040400
 568
 569 void GuiView::processingThreadStarted()
 570 {
 571 }
 572
 573
 574 void GuiView::processingThreadFinished()
 575 {
 576         QFutureWatcher<Buffer::ExportStatus> const * watcher =
 577                 static_cast<QFutureWatcher<Buffer::ExportStatus> const *>(sender());
 578
 579         Buffer::ExportStatus const status = watcher->result();
 580         handleExportStatus(this, status, d.processing_format);
 581
 582         updateToolbars();
 583         BufferView const * const bv = currentBufferView();
 584         if (bv && !bv->buffer().errorList("Export").empty()) {
 585                 errors("Export");
 586                 return;
 587         }
 588         errors(d.last_export_format);
 589 }
 590
 591
 592 void GuiView::autoSaveThreadFinished()
 593 {
 594         QFutureWatcher<docstring> const * watcher =
 595                 static_cast<QFutureWatcher<docstring> const *>(sender());
 596         message(watcher->result());
 597         updateToolbars();
 598 }
 599
 600 #else
 601
 602 void GuiView::processingThreadStarted()
 603 {
 604 }
 605
 606
 607 void GuiView::processingThreadFinished()
 608 {
 609 }
 610
 611
 612 void GuiView::autoSaveThreadFinished()
 613 {
 614 }
 615 #endif
 616
 617
 618 void GuiView::saveLayout() const
 619 {
 620         QSettings settings;
 621         settings.beginGroup("views");
 622         settings.beginGroup(QString::number(id_));
 623 #ifdef Q_WS_X11
 624         settings.setValue("pos", pos());
 625         settings.setValue("size", size());
 626 #else
 627         settings.setValue("geometry", saveGeometry());
 628 #endif
 629         settings.setValue("layout", saveState(0));
 630         settings.setValue("icon_size", iconSize());
 631 }
 632
 633
 634 void GuiView::saveUISettings() const
 635 {
 636         // Save the toolbar private states
 637         ToolbarMap::iterator end = d.toolbars_.end();
 638         for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
 639                 it->second->saveSession();
 640         // Now take care of all other dialogs
 641         map<string, DialogPtr>::const_iterator it = d.dialogs_.begin();
 642         for (; it!= d.dialogs_.end(); ++it)
 643                 it->second->saveSession();
 644 }
 645
 646
 647 bool GuiView::restoreLayout()
 648 {
 649         QSettings settings;
 650         settings.beginGroup("views");
 651         settings.beginGroup(QString::number(id_));
 652         QString const icon_key = "icon_size";
 653         if (!settings.contains(icon_key))
 654                 return false;
 655
 656         //code below is skipped when when ~/.config/LyX is (re)created
 657         QSize icon_size = settings.value(icon_key).toSize();
 658         // Check whether session size changed.
 659         if (icon_size.width() != int(d.smallIconSize) &&
 660             icon_size.width() != int(d.normalIconSize) &&
 661             icon_size.width() != int(d.bigIconSize)) {
 662                 icon_size.setWidth(d.normalIconSize);
 663                 icon_size.setHeight(d.normalIconSize);
 664         }
 665         setIconSize(icon_size);
 666
 667 #ifdef Q_WS_X11
 668         QPoint pos = settings.value("pos", QPoint(50, 50)).toPoint();
 669         QSize size = settings.value("size", QSize(690, 510)).toSize();
 670         resize(size);
 671         move(pos);
 672 #else
 673         // Work-around for bug #6034: the window ends up in an undetermined
 674         // state when trying to restore a maximized window when it is
 675         // already maximized.
 676         if (!(windowState() & Qt::WindowMaximized))
 677                 if (!restoreGeometry(settings.value("geometry").toByteArray()))
 678                         setGeometry(50, 50, 690, 510);
 679 #endif
 680         // Make sure layout is correctly oriented.
 681         setLayoutDirection(qApp->layoutDirection());
 682
 683         // Allow the toc and view-source dock widget to be restored if needed.
 684         Dialog * dialog;
 685         if ((dialog = findOrBuild("toc", true)))
 686                 // see bug 5082. At least setup title and enabled state.
 687                 // Visibility will be adjusted by restoreState below.
 688                 dialog->prepareView();
 689         if ((dialog = findOrBuild("view-source", true)))
 690                 dialog->prepareView();
 691         if ((dialog = findOrBuild("progress", true)))
 692                 dialog->prepareView();
 693         if ((dialog = findOrBuild("findreplaceadv", true)))
 694                 dialog->prepareView();
 695
 696         if (!restoreState(settings.value("layout").toByteArray(), 0))
 697                 initToolbars();
 698         updateDialogs();
 699         return true;
 700 }
 701
 702
 703 GuiToolbar * GuiView::toolbar(string const & name)
 704 {
 705         ToolbarMap::iterator it = d.toolbars_.find(name);
 706         if (it != d.toolbars_.end())
 707                 return it->second;
 708
 709         LYXERR(Debug::GUI, "Toolbar::display: no toolbar named " << name);
 710         return 0;
 711 }
 712
 713
 714 void GuiView::constructToolbars()
 715 {
 716         ToolbarMap::iterator it = d.toolbars_.begin();
 717         for (; it != d.toolbars_.end(); ++it)
 718                 delete it->second;
 719         d.toolbars_.clear();
 720
 721         // I don't like doing this here, but the standard toolbar
 722         // destroys this object when it's destroyed itself (vfr)
 723         d.layout_ = new LayoutBox(*this);
 724         d.stack_widget_->addWidget(d.layout_);
 725         d.layout_->move(0,0);
 726
 727         // extracts the toolbars from the backend
 728         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 729         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 730         for (; cit != end; ++cit)
 731                 d.toolbars_[cit->name] =  new GuiToolbar(*cit, *this);
 732 }
 733
 734
 735 void GuiView::initToolbars()
 736 {
 737         // extracts the toolbars from the backend
 738         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 739         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 740         for (; cit != end; ++cit) {
 741                 GuiToolbar * tb = toolbar(cit->name);
 742                 if (!tb)
 743                         continue;
 744                 int const visibility = guiApp->toolbars().defaultVisibility(cit->name);
 745                 bool newline = !(visibility & Toolbars::SAMEROW);
 746                 tb->setVisible(false);
 747                 tb->setVisibility(visibility);
 748
 749                 if (visibility & Toolbars::TOP) {
 750                         if (newline)
 751                                 addToolBarBreak(Qt::TopToolBarArea);
 752                         addToolBar(Qt::TopToolBarArea, tb);
 753                 }
 754
 755                 if (visibility & Toolbars::BOTTOM) {
 756                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 757 #if (QT_VERSION >= 0x040202)
 758                         if (newline)
 759                                 addToolBarBreak(Qt::BottomToolBarArea);
 760 #endif
 761                         addToolBar(Qt::BottomToolBarArea, tb);
 762                 }
 763
 764                 if (visibility & Toolbars::LEFT) {
 765                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 766 #if (QT_VERSION >= 0x040202)
 767                         if (newline)
 768                                 addToolBarBreak(Qt::LeftToolBarArea);
 769 #endif
 770                         addToolBar(Qt::LeftToolBarArea, tb);
 771                 }
 772
 773                 if (visibility & Toolbars::RIGHT) {
 774                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 775 #if (QT_VERSION >= 0x040202)
 776                         if (newline)
 777                                 addToolBarBreak(Qt::RightToolBarArea);
 778 #endif
 779                         addToolBar(Qt::RightToolBarArea, tb);
 780                 }
 781
 782                 if (visibility & Toolbars::ON)
 783                         tb->setVisible(true);
 784         }
 785 }
 786
 787
 788 TocModels & GuiView::tocModels()
 789 {
 790         return d.toc_models_;
 791 }
 792
 793
 794 void GuiView::setFocus()
 795 {
 796         LYXERR(Debug::DEBUG, "GuiView::setFocus()" << this);
 797         QMainWindow::setFocus();
 798 }
 799
 800
 801 void GuiView::focusInEvent(QFocusEvent * e)
 802 {
 803         LYXERR(Debug::DEBUG, "GuiView::focusInEvent()" << this);
 804         QMainWindow::focusInEvent(e);
 805         // Make sure guiApp points to the correct view.
 806         guiApp->setCurrentView(this);
 807         if (currentWorkArea())
 808                 currentWorkArea()->setFocus();
 809         else if (currentMainWorkArea())
 810                 currentMainWorkArea()->setFocus();
 811         else
 812                 d.bg_widget_->setFocus();
 813 }
 814
 815
 816 QMenu * GuiView::createPopupMenu()
 817 {
 818         return d.toolBarPopup(this);
 819 }
 820
 821
 822 void GuiView::showEvent(QShowEvent * e)
 823 {
 824         LYXERR(Debug::GUI, "Passed Geometry "
 825                 << size().height() << "x" << size().width()
 826                 << "+" << pos().x() << "+" << pos().y());
 827
 828         if (d.splitter_->count() == 0)
 829                 // No work area, switch to the background widget.
 830                 d.setBackground();
 831
 832         updateToolbars();
 833         QMainWindow::showEvent(e);
 834 }
 835
 836
 837 bool GuiView::closeScheduled()
 838 {
 839         closing_ = true;
 840         return close();
 841 }
 842
 843
 844 /** Destroy only all tabbed WorkAreas. Destruction of other WorkAreas
 845  ** is responsibility of the container (e.g., dialog)
 846  **/
 847 void GuiView::closeEvent(QCloseEvent * close_event)
 848 {
 849         LYXERR(Debug::DEBUG, "GuiView::closeEvent()");
 850
 851         if (!GuiViewPrivate::busyBuffers.isEmpty()) {
 852                 Alert::warning(_("Exit LyX"),
 853                         _("LyX could not be closed because documents are being processed by LyX."));
 854                 close_event->setAccepted(false);
 855                 return;
 856         }
 857
 858         // If the user pressed the x (so we didn't call closeView
 859         // programmatically), we want to clear all existing entries.
 860         if (!closing_)
 861                 theSession().lastOpened().clear();
 862         closing_ = true;
 863
 864         writeSession();
 865
 866         // it can happen that this event arrives without selecting the view,
 867         // e.g. when clicking the close button on a background window.
 868         setFocus();
 869         if (!closeWorkAreaAll()) {
 870                 closing_ = false;
 871                 close_event->ignore();
 872                 return;
 873         }
 874
 875         // Make sure that nothing will use this to be closed View.
 876         guiApp->unregisterView(this);
 877
 878         if (isFullScreen()) {
 879                 // Switch off fullscreen before closing.
 880                 toggleFullScreen();
 881                 updateDialogs();
 882         }
 883
 884         // Make sure the timer time out will not trigger a statusbar update.
 885         d.statusbar_timer_.stop();
 886
 887         // Saving fullscreen requires additional tweaks in the toolbar code.
 888         // It wouldn't also work under linux natively.
 889         if (lyxrc.allow_geometry_session) {
 890                 saveLayout();
 891                 saveUISettings();
 892         }
 893
 894         close_event->accept();
 895 }
 896
 897
 898 void GuiView::dragEnterEvent(QDragEnterEvent * event)
 899 {
 900         if (event->mimeData()->hasUrls())
 901                 event->accept();
 902         /// \todo Ask lyx-devel is this is enough:
 903         /// if (event->mimeData()->hasFormat("text/plain"))
 904         ///     event->acceptProposedAction();
 905 }
 906
 907
 908 void GuiView::dropEvent(QDropEvent * event)
 909 {
 910         QList<QUrl> files = event->mimeData()->urls();
 911         if (files.isEmpty())
 912                 return;
 913
 914         LYXERR(Debug::GUI, "GuiView::dropEvent: got URLs!");
 915         for (int i = 0; i != files.size(); ++i) {
 916                 string const file = os::internal_path(fromqstr(
 917                         files.at(i).toLocalFile()));
 918                 if (file.empty())
 919                         continue;
 920
 921                 string const ext = support::getExtension(file);
 922                 vector<const Format *> found_formats;
 923
 924                 // Find all formats that have the correct extension.
 925                 vector<const Format *> const & import_formats
 926                         = theConverters().importableFormats();
 927                 vector<const Format *>::const_iterator it = import_formats.begin();
 928                 for (; it != import_formats.end(); ++it)
 929                         if ((*it)->hasExtension(ext))
 930                                 found_formats.push_back(*it);
 931
 932                 FuncRequest cmd;
 933                 if (found_formats.size() >= 1) {
 934                         if (found_formats.size() > 1) {
 935                                 //FIXME: show a dialog to choose the correct importable format
 936                                 LYXERR(Debug::FILES,
 937                                         "Multiple importable formats found, selecting first");
 938                         }
 939                         string const arg = found_formats[0]->name() + " " + file;
 940                         cmd = FuncRequest(LFUN_BUFFER_IMPORT, arg);
 941                 }
 942                 else {
 943                         //FIXME: do we have to explicitly check whether it's a lyx file?
 944                         LYXERR(Debug::FILES,
 945                                 "No formats found, trying to open it as a lyx file");
 946                         cmd = FuncRequest(LFUN_FILE_OPEN, file);
 947                 }
 948                 // add the functions to the queue
 949                 guiApp->addToFuncRequestQueue(cmd);
 950                 event->accept();
 951         }
 952         // now process the collected functions. We perform the events
 953         // asynchronously. This prevents potential problems in case the
 954         // BufferView is closed within an event.
 955         guiApp->processFuncRequestQueueAsync();
 956 }
 957
 958
 959 void GuiView::message(docstring const & str)
 960 {
 961         if (ForkedProcess::iAmAChild())
 962                 return;
 963
 964         // call is moved to GUI-thread by GuiProgress
 965         d.progress_->appendMessage(toqstr(str));
 966 }
 967
 968
 969 void GuiView::clearMessageText()
 970 {
 971         message(docstring());
 972 }
 973
 974
 975 void GuiView::updateStatusBarMessage(QString const & str)
 976 {
 977         statusBar()->showMessage(str);
 978         d.statusbar_timer_.stop();
 979         d.statusbar_timer_.start(3000);
 980 }
 981
 982
 983 void GuiView::smallSizedIcons()
 984 {
 985         setIconSize(QSize(d.smallIconSize, d.smallIconSize));
 986 }
 987
 988
 989 void GuiView::normalSizedIcons()
 990 {
 991         setIconSize(QSize(d.normalIconSize, d.normalIconSize));
 992 }
 993
 994
 995 void GuiView::bigSizedIcons()
 996 {
 997         setIconSize(QSize(d.bigIconSize, d.bigIconSize));
 998 }
 999
1000
1001 void GuiView::clearMessage()
1002 {
1003         // FIXME: This code was introduced in r19643 to fix bug #4123. However,
1004         // the hasFocus function mostly returns false, even if the focus is on
1005         // a workarea in this view.
1006         //if (!hasFocus())
1007         //      return;
1008         showMessage();
1009         d.statusbar_timer_.stop();
1010 }
1011
1012
1013 void GuiView::updateWindowTitle(GuiWorkArea * wa)
1014 {
1015         if (wa != d.current_work_area_
1016                 || wa->bufferView().buffer().isInternal())
1017                 return;
1018         setWindowTitle(qt_("LyX: ") + wa->windowTitle());
1019         setWindowIconText(wa->windowIconText());
1020 }
1021
1022
1023 void GuiView::on_currentWorkAreaChanged(GuiWorkArea * wa)
1024 {
1025         QObject::disconnect(d.current_work_area_, SIGNAL(busy(bool)),
1026                 this, SLOT(setBusy(bool)));
1027         disconnectBuffer();
1028         disconnectBufferView();
1029         connectBufferView(wa->bufferView());
1030         connectBuffer(wa->bufferView().buffer());
1031         d.current_work_area_ = wa;
1032         QObject::connect(wa, SIGNAL(titleChanged(GuiWorkArea *)),
1033                 this, SLOT(updateWindowTitle(GuiWorkArea *)));
1034         QObject::connect(wa, SIGNAL(busy(bool)), this, SLOT(setBusy(bool)));
1035         updateWindowTitle(wa);
1036
1037         structureChanged();
1038
1039         // The document settings needs to be reinitialised.
1040         updateDialog("document", "");
1041
1042         // Buffer-dependent dialogs must be updated. This is done here because
1043         // some dialogs require buffer()->text.
1044         updateDialogs();
1045 }
1046
1047
1048 void GuiView::on_lastWorkAreaRemoved()
1049 {
1050         if (closing_)
1051                 // We already are in a close event. Nothing more to do.
1052                 return;
1053
1054         if (d.splitter_->count() > 1)
1055                 // We have a splitter so don't close anything.
1056                 return;
1057
1058         // Reset and updates the dialogs.
1059         d.toc_models_.reset(0);
1060         updateDialog("document", "");
1061         updateDialogs();
1062
1063         resetWindowTitleAndIconText();
1064         updateStatusBar();
1065
1066         if (lyxrc.open_buffers_in_tabs)
1067                 // Nothing more to do, the window should stay open.
1068                 return;
1069
1070         if (guiApp->viewIds().size() > 1) {
1071                 close();
1072                 return;
1073         }
1074
1075 #ifdef Q_WS_MACX
1076         // On Mac we also close the last window because the application stay
1077         // resident in memory. On other platforms we don't close the last
1078         // window because this would quit the application.
1079         close();
1080 #endif
1081 }
1082
1083
1084 void GuiView::updateStatusBar()
1085 {
1086         // let the user see the explicit message
1087         if (d.statusbar_timer_.isActive())
1088                 return;
1089
1090         showMessage();
1091 }
1092
1093
1094 void GuiView::showMessage()
1095 {
1096         QString msg = toqstr(theGuiApp()->viewStatusMessage());
1097         if (msg.isEmpty()) {
1098                 BufferView const * bv = currentBufferView();
1099                 if (bv)
1100                         msg = toqstr(bv->cursor().currentState());
1101                 else
1102                         msg = qt_("Welcome to LyX!");
1103         }
1104         statusBar()->showMessage(msg);
1105 }
1106
1107
1108 bool GuiView::event(QEvent * e)
1109 {
1110         switch (e->type())
1111         {
1112         // Useful debug code:
1113         //case QEvent::ActivationChange:
1114         //case QEvent::WindowDeactivate:
1115         //case QEvent::Paint:
1116         //case QEvent::Enter:
1117         //case QEvent::Leave:
1118         //case QEvent::HoverEnter:
1119         //case QEvent::HoverLeave:
1120         //case QEvent::HoverMove:
1121         //case QEvent::StatusTip:
1122         //case QEvent::DragEnter:
1123         //case QEvent::DragLeave:
1124         //case QEvent::Drop:
1125         //      break;
1126
1127         case QEvent::WindowActivate: {
1128                 GuiView * old_view = guiApp->currentView();
1129                 if (this == old_view) {
1130                         setFocus();
1131                         return QMainWindow::event(e);
1132                 }
1133                 if (old_view && old_view->currentBufferView()) {
1134                         // save current selection to the selection buffer to allow
1135                         // middle-button paste in this window.
1136                         cap::saveSelection(old_view->currentBufferView()->cursor());
1137                 }
1138                 guiApp->setCurrentView(this);
1139                 if (d.current_work_area_) {
1140                         BufferView & bv = d.current_work_area_->bufferView();
1141                         connectBufferView(bv);
1142                         connectBuffer(bv.buffer());
1143                         // The document structure, name and dialogs might have
1144                         // changed in another view.
1145                         structureChanged();
1146                         // The document settings needs to be reinitialised.
1147                         updateDialog("document", "");
1148                         updateDialogs();
1149                 } else {
1150                         resetWindowTitleAndIconText();
1151                 }
1152                 setFocus();
1153                 return QMainWindow::event(e);
1154         }
1155
1156         case QEvent::ShortcutOverride: {
1157
1158 // See bug 4888
1159 #if (!defined Q_WS_X11) || (QT_VERSION >= 0x040500)
1160                 if (isFullScreen() && menuBar()->isHidden()) {
1161                         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
1162                         // FIXME: we should also try to detect special LyX shortcut such as
1163                         // Alt-P and Alt-M. Right now there is a hack in
1164                         // GuiWorkArea::processKeySym() that hides again the menubar for
1165                         // those cases.
1166                         if (ke->modifiers() & Qt::AltModifier && ke->key() != Qt::Key_Alt) {
1167                                 menuBar()->show();
1168                                 return QMainWindow::event(e);
1169                         }
1170                 }
1171 #endif
1172                 return QMainWindow::event(e);
1173         }
1174
1175         default:
1176                 return QMainWindow::event(e);
1177         }
1178 }
1179
1180 void GuiView::resetWindowTitleAndIconText()
1181 {
1182         setWindowTitle(qt_("LyX"));
1183         setWindowIconText(qt_("LyX"));
1184 }
1185
1186 bool GuiView::focusNextPrevChild(bool /*next*/)
1187 {
1188         setFocus();
1189         return true;
1190 }
1191
1192
1193 bool GuiView::busy() const
1194 {
1195         return busy_ > 0;
1196 }
1197
1198
1199 void GuiView::setBusy(bool busy)
1200 {
1201         bool const busy_before = busy_ > 0;
1202         busy ? ++busy_ : --busy_;
1203         if ((busy_ > 0) == busy_before)
1204                 // busy state didn't change
1205                 return;
1206
1207         if (busy) {
1208                 QApplication::setOverrideCursor(Qt::WaitCursor);
1209                 return;
1210         }
1211         QApplication::restoreOverrideCursor();
1212         updateLayoutList();
1213 }
1214
1215
1216 GuiWorkArea * GuiView::workArea(int index)
1217 {
1218         if (TabWorkArea * twa = d.currentTabWorkArea())
1219                 if (index < twa->count())
1220                         return dynamic_cast<GuiWorkArea *>(twa->widget(index));
1221         return 0;
1222 }
1223
1224
1225 GuiWorkArea * GuiView::workArea(Buffer & buffer)
1226 {
1227         if (currentWorkArea()
1228                 && &currentWorkArea()->bufferView().buffer() == &buffer)
1229                 return (GuiWorkArea *) currentWorkArea();
1230         if (TabWorkArea * twa = d.currentTabWorkArea())
1231                 return twa->workArea(buffer);
1232         return 0;
1233 }
1234
1235
1236 GuiWorkArea * GuiView::addWorkArea(Buffer & buffer)
1237 {
1238         // Automatically create a TabWorkArea if there are none yet.
1239         TabWorkArea * tab_widget = d.splitter_->count()
1240                 ? d.currentTabWorkArea() : addTabWorkArea();
1241         return tab_widget->addWorkArea(buffer, *this);
1242 }
1243
1244
1245 TabWorkArea * GuiView::addTabWorkArea()
1246 {
1247         TabWorkArea * twa = new TabWorkArea;
1248         QObject::connect(twa, SIGNAL(currentWorkAreaChanged(GuiWorkArea *)),
1249                 this, SLOT(on_currentWorkAreaChanged(GuiWorkArea *)));
1250         QObject::connect(twa, SIGNAL(lastWorkAreaRemoved()),
1251                          this, SLOT(on_lastWorkAreaRemoved()));
1252
1253         d.splitter_->addWidget(twa);
1254         d.stack_widget_->setCurrentWidget(d.splitter_);
1255         return twa;
1256 }
1257
1258
1259 GuiWorkArea const * GuiView::currentWorkArea() const
1260 {
1261         return d.current_work_area_;
1262 }
1263
1264
1265 GuiWorkArea * GuiView::currentWorkArea()
1266 {
1267         return d.current_work_area_;
1268 }
1269
1270
1271 GuiWorkArea const * GuiView::currentMainWorkArea() const
1272 {
1273         if (!d.currentTabWorkArea())
1274                 return 0;
1275         return d.currentTabWorkArea()->currentWorkArea();
1276 }
1277
1278
1279 GuiWorkArea * GuiView::currentMainWorkArea()
1280 {
1281         if (!d.currentTabWorkArea())
1282                 return 0;
1283         return d.currentTabWorkArea()->currentWorkArea();
1284 }
1285
1286
1287 void GuiView::setCurrentWorkArea(GuiWorkArea * wa)
1288 {
1289         LYXERR(Debug::DEBUG, "Setting current wa: " << wa << endl);
1290         if (!wa) {
1291                 d.current_work_area_ = 0;
1292                 d.setBackground();
1293                 return;
1294         }
1295
1296         // FIXME: I've no clue why this is here and why it accesses
1297         //  theGuiApp()->currentView, which might be 0 (bug 6464).
1298         //  See also 27525 (vfr).
1299         if (theGuiApp()->currentView() == this
1300                   && theGuiApp()->currentView()->currentWorkArea() == wa)
1301                 return;
1302
1303         if (currentBufferView())
1304                 cap::saveSelection(currentBufferView()->cursor());
1305
1306         theGuiApp()->setCurrentView(this);
1307         d.current_work_area_ = wa;
1308
1309         // We need to reset this now, because it will need to be
1310         // right if the tabWorkArea gets reset in the for loop. We
1311         // will change it back if we aren't in that case.
1312         GuiWorkArea * const old_cmwa = d.current_main_work_area_;
1313         d.current_main_work_area_ = wa;
1314
1315         for (int i = 0; i != d.splitter_->count(); ++i) {
1316                 if (d.tabWorkArea(i)->setCurrentWorkArea(wa)) {
1317                         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea()
1318                                 << ", Current main wa: " << currentMainWorkArea());
1319                         return;
1320                 }
1321         }
1322
1323         d.current_main_work_area_ = old_cmwa;
1324
1325         LYXERR(Debug::DEBUG, "This is not a tabbed wa");
1326         on_currentWorkAreaChanged(wa);
1327         BufferView & bv = wa->bufferView();
1328         bv.cursor().fixIfBroken();
1329         bv.updateMetrics();
1330         wa->setUpdatesEnabled(true);
1331         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() << ", Current main wa: " << currentMainWorkArea());
1332 }
1333
1334
1335 void GuiView::removeWorkArea(GuiWorkArea * wa)
1336 {
1337         LASSERT(wa, return);
1338         if (wa == d.current_work_area_) {
1339                 disconnectBuffer();
1340                 disconnectBufferView();
1341                 d.current_work_area_ = 0;
1342                 d.current_main_work_area_ = 0;
1343         }
1344
1345         bool found_twa = false;
1346         for (int i = 0; i != d.splitter_->count(); ++i) {
1347                 TabWorkArea * twa = d.tabWorkArea(i);
1348                 if (twa->removeWorkArea(wa)) {
1349                         // Found in this tab group, and deleted the GuiWorkArea.
1350                         found_twa = true;
1351                         if (twa->count() != 0) {
1352                                 if (d.current_work_area_ == 0)
1353                                         // This means that we are closing the current GuiWorkArea, so
1354                                         // switch to the next GuiWorkArea in the found TabWorkArea.
1355                                         setCurrentWorkArea(twa->currentWorkArea());
1356                         } else {
1357                                 // No more WorkAreas in this tab group, so delete it.
1358                                 delete twa;
1359                         }
1360                         break;
1361                 }
1362         }
1363
1364         // It is not a tabbed work area (i.e., the search work area), so it
1365         // should be deleted by other means.
1366         LASSERT(found_twa, /* */);
1367
1368         if (d.current_work_area_ == 0) {
1369                 if (d.splitter_->count() != 0) {
1370                         TabWorkArea * twa = d.currentTabWorkArea();
1371                         setCurrentWorkArea(twa->currentWorkArea());
1372                 } else {
1373                         // No more work areas, switch to the background widget.
1374                         setCurrentWorkArea(0);
1375                 }
1376         }
1377 }
1378
1379
1380 LayoutBox * GuiView::getLayoutDialog() const
1381 {
1382         return d.layout_;
1383 }
1384
1385
1386 void GuiView::updateLayoutList()
1387 {
1388         if (d.layout_)
1389                 d.layout_->updateContents(false);
1390 }
1391
1392
1393 void GuiView::updateToolbars()
1394 {
1395         ToolbarMap::iterator end = d.toolbars_.end();
1396         if (d.current_work_area_) {
1397                 bool const math =
1398                         d.current_work_area_->bufferView().cursor().inMathed()
1399                         && !d.current_work_area_->bufferView().cursor().inRegexped();
1400                 bool const table =
1401                         lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
1402                 bool const review =
1403                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
1404                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onOff(true);
1405                 bool const mathmacrotemplate =
1406                         lyx::getStatus(FuncRequest(LFUN_IN_MATHMACROTEMPLATE)).enabled();
1407
1408                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1409                         it->second->update(math, table, review, mathmacrotemplate);
1410         } else
1411                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1412                         it->second->update(false, false, false, false);
1413 }
1414
1415
1416 void GuiView::setBuffer(Buffer * newBuffer)
1417 {
1418         LYXERR(Debug::DEBUG, "Setting buffer: " << newBuffer << endl);
1419         LASSERT(newBuffer, return);
1420
1421         GuiWorkArea * wa = workArea(*newBuffer);
1422         if (wa == 0) {
1423                 setBusy(true);
1424                 newBuffer->masterBuffer()->updateBuffer();
1425                 setBusy(false);
1426                 wa = addWorkArea(*newBuffer);
1427                 // scroll to the position when the BufferView was last closed
1428                 if (lyxrc.use_lastfilepos) {
1429                         LastFilePosSection::FilePos filepos =
1430                                 theSession().lastFilePos().load(newBuffer->fileName());
1431                         wa->bufferView().moveToPosition(filepos.pit, filepos.pos, 0, 0);
1432                 }
1433         } else {
1434                 //Disconnect the old buffer...there's no new one.
1435                 disconnectBuffer();
1436         }
1437         connectBuffer(*newBuffer);
1438         connectBufferView(wa->bufferView());
1439         setCurrentWorkArea(wa);
1440 }
1441
1442
1443 void GuiView::connectBuffer(Buffer & buf)
1444 {
1445         buf.setGuiDelegate(this);
1446 }
1447
1448
1449 void GuiView::disconnectBuffer()
1450 {
1451         if (d.current_work_area_)
1452                 d.current_work_area_->bufferView().buffer().setGuiDelegate(0);
1453 }
1454
1455
1456 void GuiView::connectBufferView(BufferView & bv)
1457 {
1458         bv.setGuiDelegate(this);
1459 }
1460
1461
1462 void GuiView::disconnectBufferView()
1463 {
1464         if (d.current_work_area_)
1465                 d.current_work_area_->bufferView().setGuiDelegate(0);
1466 }
1467
1468
1469 void GuiView::errors(string const & error_type, bool from_master)
1470 {
1471         BufferView const * const bv = currentBufferView();
1472         if (!bv)
1473                 return;
1474
1475 #if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
1476         // We are called with from_master == false by default, so we
1477         // have to figure out whether that is the case or not.
1478         ErrorList & el = bv->buffer().errorList(error_type);
1479         if (el.empty()) {
1480             el = bv->buffer().masterBuffer()->errorList(error_type);
1481             from_master = true;
1482         }
1483 #else
1484         ErrorList const & el = from_master ?
1485                 bv->buffer().masterBuffer()->errorList(error_type) :
1486                 bv->buffer().errorList(error_type);
1487 #endif
1488
1489         if (el.empty())
1490                 return;
1491
1492         string data = error_type;
1493         if (from_master)
1494                 data = "from_master|" + error_type;
1495         showDialog("errorlist", data);
1496 }
1497
1498
1499 void GuiView::updateTocItem(string const & type, DocIterator const & dit)
1500 {
1501         d.toc_models_.updateItem(toqstr(type), dit);
1502 }
1503
1504
1505 void GuiView::structureChanged()
1506 {
1507         d.toc_models_.reset(documentBufferView());
1508         // Navigator needs more than a simple update in this case. It needs to be
1509         // rebuilt.
1510         updateDialog("toc", "");
1511 }
1512
1513
1514 void GuiView::updateDialog(string const & name, string const & data)
1515 {
1516         if (!isDialogVisible(name))
1517                 return;
1518
1519         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
1520         if (it == d.dialogs_.end())
1521                 return;
1522
1523         Dialog * const dialog = it->second.get();
1524         if (dialog->isVisibleView())
1525                 dialog->initialiseParams(data);
1526 }
1527
1528
1529 BufferView * GuiView::documentBufferView()
1530 {
1531         return currentMainWorkArea()
1532                 ? &currentMainWorkArea()->bufferView()
1533                 : 0;
1534 }
1535
1536
1537 BufferView const * GuiView::documentBufferView() const
1538 {
1539         return currentMainWorkArea()
1540                 ? &currentMainWorkArea()->bufferView()
1541                 : 0;
1542 }
1543
1544
1545 BufferView * GuiView::currentBufferView()
1546 {
1547         return d.current_work_area_ ? &d.current_work_area_->bufferView() : 0;
1548 }
1549
1550
1551 BufferView const * GuiView::currentBufferView() const
1552 {
1553         return d.current_work_area_ ? &d.current_work_area_->bufferView() : 0;
1554 }
1555
1556
1557 #if (QT_VERSION >= 0x040400)
1558 docstring GuiView::GuiViewPrivate::autosaveAndDestroy(
1559         Buffer const * orig, Buffer * clone)
1560 {
1561         bool const success = clone->autoSave();
1562         delete clone;
1563         busyBuffers.remove(orig);
1564         return success
1565                 ? _("Automatic save done.")
1566                 : _("Automatic save failed!");
1567 }
1568 #endif
1569
1570
1571 void GuiView::autoSave()
1572 {
1573         LYXERR(Debug::INFO, "Running autoSave()");
1574
1575         Buffer * buffer = documentBufferView()
1576                 ? &documentBufferView()->buffer() : 0;
1577         if (!buffer) {
1578                 resetAutosaveTimers();
1579                 return;
1580         }
1581
1582 #if (QT_VERSION >= 0x040400)
1583         GuiViewPrivate::busyBuffers.insert(buffer);
1584         QFuture<docstring> f = QtConcurrent::run(GuiViewPrivate::autosaveAndDestroy,
1585                 buffer, buffer->cloneBufferOnly());
1586         d.autosave_watcher_.setFuture(f);
1587 #else
1588         buffer->autoSave();
1589 #endif
1590         resetAutosaveTimers();
1591 }
1592
1593
1594 void GuiView::resetAutosaveTimers()
1595 {
1596         if (lyxrc.autosave)
1597                 d.autosave_timeout_.restart();
1598 }
1599
1600
1601 bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1602 {
1603         bool enable = true;
1604         Buffer * buf = currentBufferView()
1605                 ? &currentBufferView()->buffer() : 0;
1606         Buffer * doc_buffer = documentBufferView()
1607                 ? &(documentBufferView()->buffer()) : 0;
1608
1609         // Check whether we need a buffer
1610         if (!lyxaction.funcHasFlag(cmd.action(), LyXAction::NoBuffer) && !buf) {
1611                 // no, exit directly
1612                 flag.message(from_utf8(N_("Command not allowed with"
1613                                         "out any document open")));
1614                 flag.setEnabled(false);
1615                 return true;
1616         }
1617
1618         if (cmd.origin() == FuncRequest::TOC) {
1619                 GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
1620                 if (!toc || !toc->getStatus(documentBufferView()->cursor(), cmd, flag))
1621                         flag.setEnabled(false);
1622                 return true;
1623         }
1624
1625         switch(cmd.action()) {
1626         case LFUN_BUFFER_IMPORT:
1627                 break;
1628
1629         case LFUN_MASTER_BUFFER_UPDATE:
1630         case LFUN_MASTER_BUFFER_VIEW:
1631                 enable = doc_buffer && doc_buffer->parent() != 0
1632                         && !d.processing_thread_watcher_.isRunning();
1633                 break;
1634
1635         case LFUN_BUFFER_UPDATE:
1636         case LFUN_BUFFER_VIEW: {
1637                 if (!doc_buffer || d.processing_thread_watcher_.isRunning()) {
1638                         enable = false;
1639                         break;
1640                 }
1641                 string format = to_utf8(cmd.argument());
1642                 if (cmd.argument().empty())
1643                         format = doc_buffer->params().getDefaultOutputFormat();
1644                 enable = doc_buffer->params().isExportableFormat(format);
1645                 break;
1646         }
1647
1648         case LFUN_BUFFER_RELOAD:
1649                 enable = doc_buffer && !doc_buffer->isUnnamed()
1650                         && doc_buffer->fileName().exists()
1651                         && (!doc_buffer->isClean()
1652                            || doc_buffer->isExternallyModified(Buffer::timestamp_method));
1653                 break;
1654
1655         case LFUN_BUFFER_CHILD_OPEN:
1656                 enable = doc_buffer;
1657                 break;
1658
1659         case LFUN_BUFFER_WRITE:
1660                 enable = doc_buffer && (doc_buffer->isUnnamed() || !doc_buffer->isClean());
1661                 break;
1662
1663         //FIXME: This LFUN should be moved to GuiApplication.
1664         case LFUN_BUFFER_WRITE_ALL: {
1665                 // We enable the command only if there are some modified buffers
1666                 Buffer * first = theBufferList().first();
1667                 enable = false;
1668                 if (!first)
1669                         break;
1670                 Buffer * b = first;
1671                 // We cannot use a for loop as the buffer list is a cycle.
1672                 do {
1673                         if (!b->isClean()) {
1674                                 enable = true;
1675                                 break;
1676                         }
1677                         b = theBufferList().next(b);
1678                 } while (b != first);
1679                 break;
1680         }
1681
1682         case LFUN_BUFFER_WRITE_AS:
1683         case LFUN_BUFFER_EXPORT_AS:
1684                 enable = doc_buffer;
1685                 break;
1686
1687         case LFUN_BUFFER_CLOSE:
1688                 enable = doc_buffer;
1689                 break;
1690
1691         case LFUN_BUFFER_CLOSE_ALL:
1692                 enable = theBufferList().last() != theBufferList().first();
1693                 break;
1694
1695         case LFUN_SPLIT_VIEW:
1696                 if (cmd.getArg(0) == "vertical")
1697                         enable = doc_buffer && (d.splitter_->count() == 1 ||
1698                                          d.splitter_->orientation() == Qt::Vertical);
1699                 else
1700                         enable = doc_buffer && (d.splitter_->count() == 1 ||
1701                                          d.splitter_->orientation() == Qt::Horizontal);
1702                 break;
1703
1704         case LFUN_CLOSE_TAB_GROUP:
1705                 enable = d.currentTabWorkArea();
1706                 break;
1707
1708         case LFUN_TOOLBAR_TOGGLE: {
1709                 string const name = cmd.getArg(0);
1710                 if (GuiToolbar * t = toolbar(name))
1711                         flag.setOnOff(t->isVisible());
1712                 else {
1713                         enable = false;
1714                         docstring const msg =
1715                                 bformat(_("Unknown toolbar \"%1$s\""), from_utf8(name));
1716                         flag.message(msg);
1717                 }
1718                 break;
1719         }
1720
1721         case LFUN_DROP_LAYOUTS_CHOICE:
1722                 enable = buf;
1723                 break;
1724
1725         case LFUN_UI_TOGGLE:
1726                 flag.setOnOff(isFullScreen());
1727                 break;
1728
1729         case LFUN_DIALOG_DISCONNECT_INSET:
1730                 break;
1731
1732         case LFUN_DIALOG_HIDE:
1733                 // FIXME: should we check if the dialog is shown?
1734                 break;
1735
1736         case LFUN_DIALOG_TOGGLE:
1737                 flag.setOnOff(isDialogVisible(cmd.getArg(0)));
1738                 // fall through to set "enable"
1739         case LFUN_DIALOG_SHOW: {
1740                 string const name = cmd.getArg(0);
1741                 if (!doc_buffer)
1742                         enable = name == "aboutlyx"
1743                                 || name == "file" //FIXME: should be removed.
1744                                 || name == "prefs"
1745                                 || name == "texinfo"
1746                                 || name == "progress"
1747                                 || name == "compare";
1748                 else if (name == "print")
1749                         enable = doc_buffer->params().isExportable("dvi")
1750                                 && lyxrc.print_command != "none";
1751                 else if (name == "character" || name == "symbols") {
1752                         if (!buf || buf->isReadonly())
1753                                 enable = false;
1754                         else {
1755                                 Cursor const & cur = currentBufferView()->cursor();
1756                                 enable = !(cur.inTexted() && cur.paragraph().isPassThru());
1757                         }
1758                 }
1759                 else if (name == "latexlog")
1760                         enable = FileName(doc_buffer->logName()).isReadableFile();
1761                 else if (name == "spellchecker")
1762                         enable = theSpellChecker()
1763                                 && !doc_buffer->isReadonly()
1764                                 && !doc_buffer->text().empty();
1765                 else if (name == "vclog")
1766                         enable = doc_buffer->lyxvc().inUse();
1767                 break;
1768         }
1769
1770         case LFUN_DIALOG_UPDATE: {
1771                 string const name = cmd.getArg(0);
1772                 if (!buf)
1773                         enable = name == "prefs";
1774                 break;
1775         }
1776
1777         case LFUN_COMMAND_EXECUTE:
1778         case LFUN_MESSAGE:
1779         case LFUN_MENU_OPEN:
1780                 // Nothing to check.
1781                 break;
1782
1783         case LFUN_COMPLETION_INLINE:
1784                 if (!d.current_work_area_
1785                         || !d.current_work_area_->completer().inlinePossible(
1786                         currentBufferView()->cursor()))
1787                         enable = false;
1788                 break;
1789
1790         case LFUN_COMPLETION_POPUP:
1791                 if (!d.current_work_area_
1792                         || !d.current_work_area_->completer().popupPossible(
1793                         currentBufferView()->cursor()))
1794                         enable = false;
1795                 break;
1796
1797         case LFUN_COMPLETION_COMPLETE:
1798                 if (!d.current_work_area_
1799                         || !d.current_work_area_->completer().inlinePossible(
1800                         currentBufferView()->cursor()))
1801                         enable = false;
1802                 break;
1803
1804         case LFUN_COMPLETION_ACCEPT:
1805                 if (!d.current_work_area_
1806                         || (!d.current_work_area_->completer().popupVisible()
1807                         && !d.current_work_area_->completer().inlineVisible()
1808                         && !d.current_work_area_->completer().completionAvailable()))
1809                         enable = false;
1810                 break;
1811
1812         case LFUN_COMPLETION_CANCEL:
1813                 if (!d.current_work_area_
1814                         || (!d.current_work_area_->completer().popupVisible()
1815                         && !d.current_work_area_->completer().inlineVisible()))
1816                         enable = false;
1817                 break;
1818
1819         case LFUN_BUFFER_ZOOM_OUT:
1820                 enable = doc_buffer && lyxrc.zoom > 10;
1821                 break;
1822
1823         case LFUN_BUFFER_ZOOM_IN:
1824                 enable = doc_buffer;
1825                 break;
1826
1827         case LFUN_BUFFER_NEXT:
1828         case LFUN_BUFFER_PREVIOUS:
1829                 // FIXME: should we check is there is an previous or next buffer?
1830                 break;
1831         case LFUN_BUFFER_SWITCH:
1832                 // toggle on the current buffer, but do not toggle off
1833                 // the other ones (is that a good idea?)
1834                 if (doc_buffer
1835                         && to_utf8(cmd.argument()) == doc_buffer->absFileName())
1836                         flag.setOnOff(true);
1837                 break;
1838
1839         case LFUN_VC_REGISTER:
1840                 enable = doc_buffer && !doc_buffer->lyxvc().inUse();
1841                 break;
1842         case LFUN_VC_CHECK_IN:
1843                 enable = doc_buffer && doc_buffer->lyxvc().checkInEnabled();
1844                 break;
1845         case LFUN_VC_CHECK_OUT:
1846                 enable = doc_buffer && doc_buffer->lyxvc().checkOutEnabled();
1847                 break;
1848         case LFUN_VC_LOCKING_TOGGLE:
1849                 enable = doc_buffer && !doc_buffer->isReadonly()
1850                         && doc_buffer->lyxvc().lockingToggleEnabled();
1851                 flag.setOnOff(enable && doc_buffer->lyxvc().locking());
1852                 break;
1853         case LFUN_VC_REVERT:
1854                 enable = doc_buffer && doc_buffer->lyxvc().inUse() && !doc_buffer->isReadonly();
1855                 break;
1856         case LFUN_VC_UNDO_LAST:
1857                 enable = doc_buffer && doc_buffer->lyxvc().undoLastEnabled();
1858                 break;
1859         case LFUN_VC_REPO_UPDATE:
1860                 enable = doc_buffer && doc_buffer->lyxvc().repoUpdateEnabled();
1861                 break;
1862         case LFUN_VC_COMMAND: {
1863                 if (cmd.argument().empty())
1864                         enable = false;
1865                 if (!doc_buffer && contains(cmd.getArg(0), 'D'))
1866                         enable = false;
1867                 break;
1868         }
1869         case LFUN_VC_COMPARE:
1870                 enable = doc_buffer && doc_buffer->lyxvc().prepareFileRevisionEnabled();
1871                 break;
1872
1873         case LFUN_SERVER_GOTO_FILE_ROW:
1874                 break;
1875         case LFUN_FORWARD_SEARCH:
1876                 enable = !(lyxrc.forward_search_dvi.empty() && lyxrc.forward_search_pdf.empty());
1877                 break;
1878
1879         case LFUN_FILE_INSERT_PLAINTEXT:
1880         case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1881                 enable = documentBufferView() && documentBufferView()->cursor().inTexted();
1882                 break;
1883
1884         default:
1885                 return false;
1886         }
1887
1888         if (!enable)
1889                 flag.setEnabled(false);
1890
1891         return true;
1892 }
1893
1894
1895 static FileName selectTemplateFile()
1896 {
1897         FileDialog dlg(qt_("Select template file"));
1898         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1899         dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1900
1901         FileDialog::Result result = dlg.open(toqstr(lyxrc.template_path),
1902                                  QStringList(qt_("LyX Documents (*.lyx)")));
1903
1904         if (result.first == FileDialog::Later)
1905                 return FileName();
1906         if (result.second.isEmpty())
1907                 return FileName();
1908         return FileName(fromqstr(result.second));
1909 }
1910
1911
1912 Buffer * GuiView::loadDocument(FileName const & filename, bool tolastfiles)
1913 {
1914         setBusy(true);
1915
1916         Buffer * newBuffer = 0;
1917         try {
1918                 newBuffer = checkAndLoadLyXFile(filename);
1919         } catch (ExceptionMessage const & e) {
1920                 setBusy(false);
1921                 throw(e);
1922         }
1923         setBusy(false);
1924
1925         if (!newBuffer) {
1926                 message(_("Document not loaded."));
1927                 return 0;
1928         }
1929
1930         setBuffer(newBuffer);
1931         newBuffer->errors("Parse");
1932
1933         if (tolastfiles)
1934                 theSession().lastFiles().add(filename);
1935
1936         return newBuffer;
1937 }
1938
1939
1940 void GuiView::openDocument(string const & fname)
1941 {
1942         string initpath = lyxrc.document_path;
1943
1944         if (documentBufferView()) {
1945                 string const trypath = documentBufferView()->buffer().filePath();
1946                 // If directory is writeable, use this as default.
1947                 if (FileName(trypath).isDirWritable())
1948                         initpath = trypath;
1949         }
1950
1951         string filename;
1952
1953         if (fname.empty()) {
1954                 FileDialog dlg(qt_("Select document to open"), LFUN_FILE_OPEN);
1955                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1956                 dlg.setButton2(qt_("Examples|#E#e"),
1957                                 toqstr(addPath(package().system_support().absFileName(), "examples")));
1958
1959                 QStringList filter(qt_("LyX Documents (*.lyx)"));
1960                 filter << qt_("LyX-1.3.x Documents (*.lyx13)")
1961                         << qt_("LyX-1.4.x Documents (*.lyx14)")
1962                         << qt_("LyX-1.5.x Documents (*.lyx15)")
1963                         << qt_("LyX-1.6.x Documents (*.lyx16)");
1964                 FileDialog::Result result =
1965                         dlg.open(toqstr(initpath), filter);
1966
1967                 if (result.first == FileDialog::Later)
1968                         return;
1969
1970                 filename = fromqstr(result.second);
1971
1972                 // check selected filename
1973                 if (filename.empty()) {
1974                         message(_("Canceled."));
1975                         return;
1976                 }
1977         } else
1978                 filename = fname;
1979
1980         // get absolute path of file and add ".lyx" to the filename if
1981         // necessary.
1982         FileName const fullname =
1983                         fileSearch(string(), filename, "lyx", support::may_not_exist);
1984         if (!fullname.empty())
1985                 filename = fullname.absFileName();
1986
1987         if (!fullname.onlyPath().isDirectory()) {
1988                 Alert::warning(_("Invalid filename"),
1989                                 bformat(_("The directory in the given path\n%1$s\ndoes not exist."),
1990                                 from_utf8(fullname.absFileName())));
1991                 return;
1992         }
1993
1994         // if the file doesn't exist and isn't already open (bug 6645),
1995         // let the user create one
1996         if (!fullname.exists() && !theBufferList().exists(fullname)) {
1997                 // the user specifically chose this name. Believe him.
1998                 Buffer * const b = newFile(filename, string(), true);
1999                 if (b)
2000                         setBuffer(b);
2001                 return;
2002         }
2003
2004         docstring const disp_fn = makeDisplayPath(filename);
2005         message(bformat(_("Opening document %1$s..."), disp_fn));
2006
2007         docstring str2;
2008         Buffer * buf = loadDocument(fullname);
2009         if (buf) {
2010                 str2 = bformat(_("Document %1$s opened."), disp_fn);
2011                 if (buf->lyxvc().inUse())
2012                         str2 += " " + from_utf8(buf->lyxvc().versionString()) +
2013                                 " " + _("Version control detected.");
2014         } else {
2015                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
2016         }
2017         message(str2);
2018 }
2019
2020 // FIXME: clean that
2021 static bool import(GuiView * lv, FileName const & filename,
2022         string const & format, ErrorList & errorList)
2023 {
2024         FileName const lyxfile(support::changeExtension(filename.absFileName(), ".lyx"));
2025
2026         string loader_format;
2027         vector<string> loaders = theConverters().loaders();
2028         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
2029                 for (vector<string>::const_iterator it = loaders.begin();
2030                          it != loaders.end(); ++it) {
2031                         if (!theConverters().isReachable(format, *it))
2032                                 continue;
2033
2034                         string const tofile =
2035                                 support::changeExtension(filename.absFileName(),
2036                                 formats.extension(*it));
2037                         if (!theConverters().convert(0, filename, FileName(tofile),
2038                                 filename, format, *it, errorList))
2039                                 return false;
2040                         loader_format = *it;
2041                         break;
2042                 }
2043                 if (loader_format.empty()) {
2044                         frontend::Alert::error(_("Couldn't import file"),
2045                                          bformat(_("No information for importing the format %1$s."),
2046                                          formats.prettyName(format)));
2047                         return false;
2048                 }
2049         } else
2050                 loader_format = format;
2051
2052         if (loader_format == "lyx") {
2053                 Buffer * buf = lv->loadDocument(lyxfile);
2054                 if (!buf)
2055                         return false;
2056         } else {
2057                 Buffer * const b = newFile(lyxfile.absFileName(), string(), true);
2058                 if (!b)
2059                         return false;
2060                 lv->setBuffer(b);
2061                 bool as_paragraphs = loader_format == "textparagraph";
2062                 string filename2 = (loader_format == format) ? filename.absFileName()
2063                         : support::changeExtension(filename.absFileName(),
2064                                           formats.extension(loader_format));
2065                 lv->currentBufferView()->insertPlaintextFile(FileName(filename2),
2066                         as_paragraphs);
2067                 guiApp->setCurrentView(lv);
2068                 lyx::dispatch(FuncRequest(LFUN_MARK_OFF));
2069         }
2070
2071         return true;
2072 }
2073
2074
2075 void GuiView::importDocument(string const & argument)
2076 {
2077         string format;
2078         string filename = split(argument, format, ' ');
2079
2080         LYXERR(Debug::INFO, format << " file: " << filename);
2081
2082         // need user interaction
2083         if (filename.empty()) {
2084                 string initpath = lyxrc.document_path;
2085                 if (documentBufferView()) {
2086                         string const trypath = documentBufferView()->buffer().filePath();
2087                         // If directory is writeable, use this as default.
2088                         if (FileName(trypath).isDirWritable())
2089                                 initpath = trypath;
2090                 }
2091
2092                 docstring const text = bformat(_("Select %1$s file to import"),
2093                         formats.prettyName(format));
2094
2095                 FileDialog dlg(toqstr(text), LFUN_BUFFER_IMPORT);
2096                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2097                 dlg.setButton2(qt_("Examples|#E#e"),
2098                         toqstr(addPath(package().system_support().absFileName(), "examples")));
2099
2100                 docstring filter = formats.prettyName(format);
2101                 filter += " (*.{";
2102                 // FIXME UNICODE
2103                 filter += from_utf8(formats.extensions(format));
2104                 filter += "})";
2105
2106                 FileDialog::Result result =
2107                         dlg.open(toqstr(initpath), fileFilters(toqstr(filter)));
2108
2109                 if (result.first == FileDialog::Later)
2110                         return;
2111
2112                 filename = fromqstr(result.second);
2113
2114                 // check selected filename
2115                 if (filename.empty())
2116                         message(_("Canceled."));
2117         }
2118
2119         if (filename.empty())
2120                 return;
2121
2122         // get absolute path of file
2123         FileName const fullname(support::makeAbsPath(filename));
2124
2125         FileName const lyxfile(support::changeExtension(fullname.absFileName(), ".lyx"));
2126
2127         // Check if the document already is open
2128         Buffer * buf = theBufferList().getBuffer(lyxfile);
2129         if (buf) {
2130                 setBuffer(buf);
2131                 if (!closeBuffer()) {
2132                         message(_("Canceled."));
2133                         return;
2134                 }
2135         }
2136
2137         docstring const displaypath = makeDisplayPath(lyxfile.absFileName(), 30);
2138
2139         // if the file exists already, and we didn't do
2140         // -i lyx thefile.lyx, warn
2141         if (lyxfile.exists() && fullname != lyxfile) {
2142
2143                 docstring text = bformat(_("The document %1$s already exists.\n\n"
2144                         "Do you want to overwrite that document?"), displaypath);
2145                 int const ret = Alert::prompt(_("Overwrite document?"),
2146                         text, 0, 1, _("&Overwrite"), _("&Cancel"));
2147
2148                 if (ret == 1) {
2149                         message(_("Canceled."));
2150                         return;
2151                 }
2152         }
2153
2154         message(bformat(_("Importing %1$s..."), displaypath));
2155         ErrorList errorList;
2156         if (import(this, fullname, format, errorList))
2157                 message(_("imported."));
2158         else
2159                 message(_("file not imported!"));
2160
2161         // FIXME (Abdel 12/08/06): Is there a need to display the error list here?
2162 }
2163
2164
2165 void GuiView::newDocument(string const & filename, bool from_template)
2166 {
2167         FileName initpath(lyxrc.document_path);
2168         if (documentBufferView()) {
2169                 FileName const trypath(documentBufferView()->buffer().filePath());
2170                 // If directory is writeable, use this as default.
2171                 if (trypath.isDirWritable())
2172                         initpath = trypath;
2173         }
2174
2175         string templatefile;
2176         if (from_template) {
2177                 templatefile = selectTemplateFile().absFileName();
2178                 if (templatefile.empty())
2179                         return;
2180         }
2181
2182         Buffer * b;
2183         if (filename.empty())
2184                 b = newUnnamedFile(initpath, to_utf8(_("newfile")), templatefile);
2185         else
2186                 b = newFile(filename, templatefile, true);
2187
2188         if (b)
2189                 setBuffer(b);
2190
2191         // If no new document could be created, it is unsure
2192         // whether there is a valid BufferView.
2193         if (currentBufferView())
2194                 // Ensure the cursor is correctly positioned on screen.
2195                 currentBufferView()->showCursor();
2196 }
2197
2198
2199 void GuiView::insertLyXFile(docstring const & fname)
2200 {
2201         BufferView * bv = documentBufferView();
2202         if (!bv)
2203                 return;
2204
2205         // FIXME UNICODE
2206         FileName filename(to_utf8(fname));
2207         if (filename.empty()) {
2208                 // Launch a file browser
2209                 // FIXME UNICODE
2210                 string initpath = lyxrc.document_path;
2211                 string const trypath = bv->buffer().filePath();
2212                 // If directory is writeable, use this as default.
2213                 if (FileName(trypath).isDirWritable())
2214                         initpath = trypath;
2215
2216                 // FIXME UNICODE
2217                 FileDialog dlg(qt_("Select LyX document to insert"), LFUN_FILE_INSERT);
2218                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2219                 dlg.setButton2(qt_("Examples|#E#e"),
2220                         toqstr(addPath(package().system_support().absFileName(),
2221                         "examples")));
2222
2223                 FileDialog::Result result = dlg.open(toqstr(initpath),
2224                                          QStringList(qt_("LyX Documents (*.lyx)")));
2225
2226                 if (result.first == FileDialog::Later)
2227                         return;
2228
2229                 // FIXME UNICODE
2230                 filename.set(fromqstr(result.second));
2231
2232                 // check selected filename
2233                 if (filename.empty()) {
2234                         // emit message signal.
2235                         message(_("Canceled."));
2236                         return;
2237                 }
2238         }
2239
2240         bv->insertLyXFile(filename);
2241         bv->buffer().errors("Parse");
2242 }
2243
2244
2245 bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
2246 {
2247         FileName fname = b.fileName();
2248         FileName const oldname = fname;
2249
2250         if (!newname.empty()) {
2251                 // FIXME UNICODE
2252                 fname = support::makeAbsPath(to_utf8(newname), oldname.onlyPath().absFileName());
2253         } else {
2254                 // Switch to this Buffer.
2255                 setBuffer(&b);
2256
2257                 // No argument? Ask user through dialog.
2258                 // FIXME UNICODE
2259                 FileDialog dlg(qt_("Choose a filename to save document as"),
2260                                    LFUN_BUFFER_WRITE_AS);
2261                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2262                 dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
2263
2264                 if (!isLyXFileName(fname.absFileName()))
2265                         fname.changeExtension(".lyx");
2266
2267                 FileDialog::Result result =
2268                         dlg.save(toqstr(fname.onlyPath().absFileName()),
2269                                    QStringList(qt_("LyX Documents (*.lyx)")),
2270                                          toqstr(fname.onlyFileName()));
2271
2272                 if (result.first == FileDialog::Later)
2273                         return false;
2274
2275                 fname.set(fromqstr(result.second));
2276
2277                 if (fname.empty())
2278                         return false;
2279
2280                 if (!isLyXFileName(fname.absFileName()))
2281                         fname.changeExtension(".lyx");
2282         }
2283
2284         // fname is now the new Buffer location.
2285
2286         // if there is already a Buffer open with this name, we do not want
2287         // to have another one. (the second test makes sure we're not just
2288         // trying to overwrite ourselves, which is fine.)
2289         if (theBufferList().exists(fname) && fname != oldname) {
2290                 docstring const text =
2291                         bformat(_("The file\n%1$s\nis already open in your current session.\n"
2292                             "Please close it before attempting to overwrite it.\n"
2293                             "Do you want to choose a new filename?"),
2294                                 from_utf8(fname.absFileName()));
2295                 int const ret = Alert::prompt(_("Chosen File Already Open"),
2296                         text, 0, 1, _("&Rename"), _("&Cancel"));
2297                 switch (ret) {
2298                 case 0: return renameBuffer(b, docstring());
2299                 case 1: return false;
2300                 }
2301                 //return false;
2302         }
2303
2304         if (FileName(fname).exists()) {
2305                 docstring const file = makeDisplayPath(fname.absFileName(), 30);
2306                 docstring const text = bformat(_("The document %1$s already "
2307                                            "exists.\n\nDo you want to "
2308                                            "overwrite that document?"),
2309                                          file);
2310                 int const ret = Alert::prompt(_("Overwrite document?"),
2311                         text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
2312                 switch (ret) {
2313                 case 0: break;
2314                 case 1: return renameBuffer(b, docstring());
2315                 case 2: return false;
2316                 }
2317         }
2318
2319         return saveBuffer(b, fname);
2320 }
2321
2322
2323 struct PrettyNameComparator
2324 {
2325         bool operator()(Format const *first, Format const *second) const {
2326                 return compare_ascii_no_case(first->prettyname(), second->prettyname()) <= 0;
2327         }
2328 };
2329
2330
2331 bool GuiView::exportBufferAs(Buffer & b)
2332 {
2333         FileName fname = b.fileName();
2334
2335         FileDialog dlg(qt_("Choose a filename to export the document as"));
2336         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2337
2338         QStringList types;
2339         types << "Any supported format (*.*)";
2340         Formats::const_iterator it = formats.begin();
2341         vector<Format const *> export_formats;
2342         for (; it != formats.end(); ++it)
2343                 if (it->documentFormat() && it->inExportMenu())
2344                         export_formats.push_back(&(*it));
2345         PrettyNameComparator cmp;
2346         sort(export_formats.begin(), export_formats.end(), cmp);
2347         vector<Format const *>::const_iterator fit = export_formats.begin();
2348         for (; fit != export_formats.end(); ++fit)
2349                 types << toqstr((*fit)->prettyname() + " (*." + (*fit)->extension() + ")");
2350         QString filter;
2351         FileDialog::Result result =
2352                 dlg.save(toqstr(fname.onlyPath().absFileName()),
2353                          types,
2354                          toqstr(fname.onlyFileName()),
2355                          &filter);
2356         if (result.first != FileDialog::Chosen)
2357                 return false;
2358
2359         string s = fromqstr(filter);
2360         size_t pos = s.find(" (*.");
2361         LASSERT(pos != string::npos, /**/);
2362         string fmt_prettyname = s.substr(0, pos);
2363         string fmt_name;
2364         fname.set(fromqstr(result.second));
2365         if (fmt_prettyname == "Any supported format")
2366                 fmt_name = formats.getFormatFromExtension(fname.extension());
2367         else
2368                 fmt_name = formats.getFormatFromPrettyName(fmt_prettyname);
2369         LYXERR(Debug::FILES, "fmt_prettyname=" << fmt_prettyname
2370                << ", fmt_name=" << fmt_name << ", fname=" << fname.absFileName());
2371
2372         if (fmt_name.empty() || fname.empty())
2373                 return false;
2374
2375         // fname is now the new Buffer location.
2376         if (FileName(fname).exists()) {
2377                 docstring const file = makeDisplayPath(fname.absFileName(), 30);
2378                 docstring text = bformat(_("The document %1$s already "
2379                                            "exists.\n\nDo you want to "
2380                                            "overwrite that document?"),
2381                                          file);
2382                 int const ret = Alert::prompt(_("Overwrite document?"),
2383                         text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
2384                 switch (ret) {
2385                 case 0: break;
2386                 case 1: return exportBufferAs(b);
2387                 case 2: return false;
2388                 }
2389         }
2390
2391         FuncRequest cmd(LFUN_BUFFER_EXPORT, fmt_name + " " + fname.absFileName());
2392         DispatchResult dr;
2393         dispatch(cmd, dr);
2394         return dr.dispatched();
2395 }
2396
2397
2398 bool GuiView::saveBuffer(Buffer & b) {
2399         return saveBuffer(b, FileName());
2400 }
2401
2402
2403 bool GuiView::saveBuffer(Buffer & b, FileName const & fn)
2404 {
2405         if (workArea(b) && workArea(b)->inDialogMode())
2406                 return true;
2407
2408         if (fn.empty() && b.isUnnamed())
2409                         return renameBuffer(b, docstring());
2410
2411         bool success;
2412         if (fn.empty())
2413                 success = b.save();
2414         else
2415                 success = b.saveAs(fn);
2416
2417         if (success) {
2418                 theSession().lastFiles().add(b.fileName());
2419                 return true;
2420         }
2421
2422         // Switch to this Buffer.
2423         setBuffer(&b);
2424
2425         // FIXME: we don't tell the user *WHY* the save failed !!
2426         docstring const file = makeDisplayPath(b.absFileName(), 30);
2427         docstring text = bformat(_("The document %1$s could not be saved.\n\n"
2428                                    "Do you want to rename the document and "
2429                                    "try again?"), file);
2430         int const ret = Alert::prompt(_("Rename and save?"),
2431                 text, 0, 2, _("&Rename"), _("&Retry"), _("&Cancel"));
2432         switch (ret) {
2433         case 0:
2434                 if (!renameBuffer(b, docstring()))
2435                         return false;
2436                 break;
2437         case 1:
2438                 break;
2439         case 2:
2440                 return false;
2441         }
2442
2443         return saveBuffer(b);
2444 }
2445
2446
2447 bool GuiView::hideWorkArea(GuiWorkArea * wa)
2448 {
2449         return closeWorkArea(wa, false);
2450 }
2451
2452
2453 bool GuiView::closeWorkArea(GuiWorkArea * wa)
2454 {
2455         Buffer & buf = wa->bufferView().buffer();
2456         return closeWorkArea(wa, !buf.parent());
2457 }
2458
2459
2460 bool GuiView::closeBuffer()
2461 {
2462         GuiWorkArea * wa = currentMainWorkArea();
2463         setCurrentWorkArea(wa);
2464         Buffer & buf = wa->bufferView().buffer();
2465         return wa && closeWorkArea(wa, !buf.parent());
2466 }
2467
2468
2469 void GuiView::writeSession() const {
2470         GuiWorkArea const * active_wa = currentMainWorkArea();
2471         for (int i = 0; i < d.splitter_->count(); ++i) {
2472                 TabWorkArea * twa = d.tabWorkArea(i);
2473                 for (int j = 0; j < twa->count(); ++j) {
2474                         GuiWorkArea * wa = static_cast<GuiWorkArea *>(twa->widget(j));
2475                         Buffer & buf = wa->bufferView().buffer();
2476                         theSession().lastOpened().add(buf.fileName(), wa == active_wa);
2477                 }
2478         }
2479 }
2480
2481
2482 bool GuiView::closeBufferAll()
2483 {
2484         // Close the workareas in all other views
2485         QList<int> const ids = guiApp->viewIds();
2486         for (int i = 0; i != ids.size(); ++i) {
2487                 if (id_ != ids[i] && !guiApp->view(ids[i]).closeWorkAreaAll())
2488                         return false;
2489         }
2490
2491         // Close our own workareas
2492         if (!closeWorkAreaAll())
2493                 return false;
2494
2495         // Now close the hidden buffers. We prevent hidden buffers from being
2496         // dirty, so we can just close them.
2497         theBufferList().closeAll();
2498         return true;
2499 }
2500
2501
2502 bool GuiView::closeWorkAreaAll()
2503 {
2504         setCurrentWorkArea(currentMainWorkArea());
2505
2506         // We might be in a situation that there is still a tabWorkArea, but
2507         // there are no tabs anymore. This can happen when we get here after a
2508         // TabWorkArea::lastWorkAreaRemoved() signal. Therefore we count how
2509         // many TabWorkArea's have no documents anymore.
2510         int empty_twa = 0;
2511
2512         // We have to call count() each time, because it can happen that
2513         // more than one splitter will disappear in one iteration (bug 5998).
2514         for (; d.splitter_->count() > empty_twa; ) {
2515                 TabWorkArea * twa = d.tabWorkArea(empty_twa);
2516
2517                 if (twa->count() == 0)
2518                         ++empty_twa;
2519                 else {
2520                         setCurrentWorkArea(twa->currentWorkArea());
2521                         if (!closeTabWorkArea(twa))
2522                                 return false;
2523                 }
2524         }
2525         return true;
2526 }
2527
2528
2529 bool GuiView::closeWorkArea(GuiWorkArea * wa, bool close_buffer)
2530 {
2531         if (!wa)
2532                 return false;
2533
2534         Buffer & buf = wa->bufferView().buffer();
2535
2536         if (close_buffer && GuiViewPrivate::busyBuffers.contains(&buf)) {
2537                 Alert::warning(_("Close document"),
2538                         _("Document could not be closed because it is being processed by LyX."));
2539                 return false;
2540         }
2541
2542         if (close_buffer)
2543                 return closeBuffer(buf);
2544         else {
2545                 if (!inMultiTabs(wa))
2546                         if (!saveBufferIfNeeded(buf, true))
2547                                 return false;
2548                 removeWorkArea(wa);
2549                 return true;
2550         }
2551 }
2552
2553
2554 bool GuiView::closeBuffer(Buffer & buf)
2555 {
2556         // If we are in a close_event all children will be closed in some time,
2557         // so no need to do it here. This will ensure that the children end up
2558         // in the session file in the correct order. If we close the master
2559         // buffer, we can close or release the child buffers here too.
2560         bool success = true;
2561         if (!closing_) {
2562                 ListOfBuffers clist = buf.getChildren();
2563                 ListOfBuffers::const_iterator it = clist.begin();
2564                 ListOfBuffers::const_iterator const bend = clist.end();
2565                 for (; it != bend; ++it) {
2566                         // If a child is dirty, do not close
2567                         // without user intervention
2568                         //FIXME: should we look in other tabworkareas?
2569                         Buffer * child_buf = *it;
2570                         GuiWorkArea * child_wa = workArea(*child_buf);
2571                         if (child_wa) {
2572                                 if (!closeWorkArea(child_wa, true)) {
2573                                         success = false;
2574                                         break;
2575                                 }
2576                         } else
2577                                 theBufferList().releaseChild(&buf, child_buf);
2578                 }
2579         }
2580         if (success) {
2581                 // goto bookmark to update bookmark pit.
2582                 //FIXME: we should update only the bookmarks related to this buffer!
2583                 LYXERR(Debug::DEBUG, "GuiView::closeBuffer()");
2584                 for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
2585                         guiApp->gotoBookmark(i+1, false, false);
2586
2587                 if (saveBufferIfNeeded(buf, false)) {
2588                         buf.removeAutosaveFile();
2589                         theBufferList().release(&buf);
2590                         return true;
2591                 }
2592         }
2593         // open all children again to avoid a crash because of dangling
2594         // pointers (bug 6603)
2595         buf.updateBuffer();
2596         return false;
2597 }
2598
2599
2600 bool GuiView::closeTabWorkArea(TabWorkArea * twa)
2601 {
2602         while (twa == d.currentTabWorkArea()) {
2603                 twa->setCurrentIndex(twa->count()-1);
2604
2605                 GuiWorkArea * wa = twa->currentWorkArea();
2606                 Buffer & b = wa->bufferView().buffer();
2607
2608                 // We only want to close the buffer if the same buffer is not visible
2609                 // in another view, and if this is not a child and if we are closing
2610                 // a view (not a tabgroup).
2611                 bool const close_buffer =
2612                         !inOtherView(b) && !b.parent() && closing_;
2613
2614                 if (!closeWorkArea(wa, close_buffer))
2615                         return false;
2616         }
2617         return true;
2618 }
2619
2620
2621 bool GuiView::saveBufferIfNeeded(Buffer & buf, bool hiding)
2622 {
2623         if (buf.isClean() || buf.paragraphs().empty())
2624                 return true;
2625
2626         // Switch to this Buffer.
2627         setBuffer(&buf);
2628
2629         docstring file;
2630         // FIXME: Unicode?
2631         if (buf.isUnnamed())
2632                 file = from_utf8(buf.fileName().onlyFileName());
2633         else
2634                 file = buf.fileName().displayName(30);
2635
2636         // Bring this window to top before asking questions.
2637         raise();
2638         activateWindow();
2639
2640         int ret;
2641         if (hiding && buf.isUnnamed()) {
2642                 docstring const text = bformat(_("The document %1$s has not been "
2643                                                  "saved yet.\n\nDo you want to save "
2644                                                  "the document?"), file);
2645                 ret = Alert::prompt(_("Save new document?"),
2646                         text, 0, 1, _("&Save"), _("&Cancel"));
2647                 if (ret == 1)
2648                         ++ret;
2649         } else {
2650                 docstring const text = bformat(_("The document %1$s has unsaved changes."
2651                         "\n\nDo you want to save the document or discard the changes?"), file);
2652                 ret = Alert::prompt(_("Save changed document?"),
2653                         text, 0, 2, _("&Save"), _("&Discard"), _("&Cancel"));
2654         }
2655
2656         switch (ret) {
2657         case 0:
2658                 if (!saveBuffer(buf))
2659                         return false;
2660                 break;
2661         case 1:
2662                 // If we crash after this we could have no autosave file
2663                 // but I guess this is really improbable (Jug).
2664                 // Sometimes improbable things happen:
2665                 // - see bug http://www.lyx.org/trac/ticket/6587 (ps)
2666                 // buf.removeAutosaveFile();
2667                 if (hiding)
2668                         // revert all changes
2669                         reloadBuffer(buf);
2670                 buf.markClean();
2671                 break;
2672         case 2:
2673                 return false;
2674         }
2675         return true;
2676 }
2677
2678
2679 bool GuiView::inMultiTabs(GuiWorkArea * wa)
2680 {
2681         Buffer & buf = wa->bufferView().buffer();
2682
2683         for (int i = 0; i != d.splitter_->count(); ++i) {
2684                 GuiWorkArea * wa_ = d.tabWorkArea(i)->workArea(buf);
2685                 if (wa_ && wa_ != wa)
2686                         return true;
2687         }
2688         return inOtherView(buf);
2689 }
2690
2691
2692 bool GuiView::inOtherView(Buffer & buf)
2693 {
2694         QList<int> const ids = guiApp->viewIds();
2695
2696         for (int i = 0; i != ids.size(); ++i) {
2697                 if (id_ == ids[i])
2698                         continue;
2699
2700                 if (guiApp->view(ids[i]).workArea(buf))
2701                         return true;
2702         }
2703         return false;
2704 }
2705
2706
2707 void GuiView::gotoNextOrPreviousBuffer(NextOrPrevious np)
2708 {
2709         if (!documentBufferView())
2710                 return;
2711
2712         if (TabWorkArea * twa = d.currentTabWorkArea()) {
2713                 Buffer * const curbuf = &documentBufferView()->buffer();
2714                 int nwa = twa->count();
2715                 for (int i = 0; i < nwa; ++i) {
2716                         if (&workArea(i)->bufferView().buffer() == curbuf) {
2717                                 int next_index;
2718                                 if (np == NEXTBUFFER)
2719                                         next_index = (i == nwa - 1 ? 0 : i + 1);
2720                                 else
2721                                         next_index = (i == 0 ? nwa - 1 : i - 1);
2722                                 setBuffer(&workArea(next_index)->bufferView().buffer());
2723                                 break;
2724                         }
2725                 }
2726         }
2727 }
2728
2729
2730 /// make sure the document is saved
2731 static bool ensureBufferClean(Buffer * buffer)
2732 {
2733         LASSERT(buffer, return false);
2734         if (buffer->isClean() && !buffer->isUnnamed())
2735                 return true;
2736
2737         docstring const file = buffer->fileName().displayName(30);
2738         docstring title;
2739         docstring text;
2740         if (!buffer->isUnnamed()) {
2741                 text = bformat(_("The document %1$s has unsaved "
2742                                                  "changes.\n\nDo you want to save "
2743                                                  "the document?"), file);
2744                 title = _("Save changed document?");
2745
2746         } else {
2747                 text = bformat(_("The document %1$s has not been "
2748                                                  "saved yet.\n\nDo you want to save "
2749                                                  "the document?"), file);
2750                 title = _("Save new document?");
2751         }
2752         int const ret = Alert::prompt(title, text, 0, 1, _("&Save"), _("&Cancel"));
2753
2754         if (ret == 0)
2755                 dispatch(FuncRequest(LFUN_BUFFER_WRITE));
2756
2757         return buffer->isClean() && !buffer->isUnnamed();
2758 }
2759
2760
2761 bool GuiView::reloadBuffer(Buffer & buf)
2762 {
2763         Buffer::ReadStatus status = buf.reload();
2764         return status == Buffer::ReadSuccess;
2765 }
2766
2767
2768 void GuiView::checkExternallyModifiedBuffers()
2769 {
2770         BufferList::iterator bit = theBufferList().begin();
2771         BufferList::iterator const bend = theBufferList().end();
2772         for (; bit != bend; ++bit) {
2773                 Buffer * buf = *bit;
2774                 if (buf->fileName().exists()
2775                         && buf->isExternallyModified(Buffer::checksum_method)) {
2776                         docstring text = bformat(_("Document \n%1$s\n has been externally modified."
2777                                         " Reload now? Any local changes will be lost."),
2778                                         from_utf8(buf->absFileName()));
2779                         int const ret = Alert::prompt(_("Reload externally changed document?"),
2780                                                 text, 0, 1, _("&Reload"), _("&Cancel"));
2781                         if (!ret)
2782                                 reloadBuffer(*buf);
2783                 }
2784         }
2785 }
2786
2787
2788 void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
2789 {
2790         Buffer * buffer = documentBufferView()
2791                 ? &(documentBufferView()->buffer()) : 0;
2792
2793         switch (cmd.action()) {
2794         case LFUN_VC_REGISTER:
2795                 if (!buffer || !ensureBufferClean(buffer))
2796                         break;
2797                 if (!buffer->lyxvc().inUse()) {
2798                         if (buffer->lyxvc().registrer()) {
2799                                 reloadBuffer(*buffer);
2800                                 dr.suppressMessageUpdate();
2801                         }
2802                 }
2803                 break;
2804
2805         case LFUN_VC_CHECK_IN:
2806                 if (!buffer || !ensureBufferClean(buffer))
2807                         break;
2808                 if (buffer->lyxvc().inUse() && !buffer->isReadonly()) {
2809                         dr.setMessage(buffer->lyxvc().checkIn());
2810                         if (!dr.message().empty())
2811                                 reloadBuffer(*buffer);
2812                 }
2813                 break;
2814
2815         case LFUN_VC_CHECK_OUT:
2816                 if (!buffer || !ensureBufferClean(buffer))
2817                         break;
2818                 if (buffer->lyxvc().inUse()) {
2819                         dr.setMessage(buffer->lyxvc().checkOut());
2820                         reloadBuffer(*buffer);
2821                 }
2822                 break;
2823
2824         case LFUN_VC_LOCKING_TOGGLE:
2825                 LASSERT(buffer, return);
2826                 if (!ensureBufferClean(buffer) || buffer->isReadonly())
2827                         break;
2828                 if (buffer->lyxvc().inUse()) {
2829                         string res = buffer->lyxvc().lockingToggle();
2830                         if (res.empty()) {
2831                                 frontend::Alert::error(_("Revision control error."),
2832                                 _("Error when setting the locking property."));
2833                         } else {
2834                                 dr.setMessage(res);
2835                                 reloadBuffer(*buffer);
2836                         }
2837                 }
2838                 break;
2839
2840         case LFUN_VC_REVERT:
2841                 LASSERT(buffer, return);
2842                 if (buffer->lyxvc().revert()) {
2843                         reloadBuffer(*buffer);
2844                         dr.suppressMessageUpdate();
2845                 }
2846                 break;
2847
2848         case LFUN_VC_UNDO_LAST:
2849                 LASSERT(buffer, return);
2850                 buffer->lyxvc().undoLast();
2851                 reloadBuffer(*buffer);
2852                 dr.suppressMessageUpdate();
2853                 break;
2854
2855         case LFUN_VC_REPO_UPDATE:
2856                 LASSERT(buffer, return);
2857                 if (ensureBufferClean(buffer)) {
2858                         dr.setMessage(buffer->lyxvc().repoUpdate());
2859                         checkExternallyModifiedBuffers();
2860                 }
2861                 break;
2862
2863         case LFUN_VC_COMMAND: {
2864                 string flag = cmd.getArg(0);
2865                 if (buffer && contains(flag, 'R') && !ensureBufferClean(buffer))
2866                         break;
2867                 docstring message;
2868                 if (contains(flag, 'M')) {
2869                         if (!Alert::askForText(message, _("LyX VC: Log Message")))
2870                                 break;
2871                 }
2872                 string path = cmd.getArg(1);
2873                 if (contains(path, "$$p") && buffer)
2874                         path = subst(path, "$$p", buffer->filePath());
2875                 LYXERR(Debug::LYXVC, "Directory: " << path);
2876                 FileName pp(path);
2877                 if (!pp.isReadableDirectory()) {
2878                         lyxerr << _("Directory is not accessible.") << endl;
2879                         break;
2880                 }
2881                 support::PathChanger p(pp);
2882
2883                 string command = cmd.getArg(2);
2884                 if (command.empty())
2885                         break;
2886                 if (buffer) {
2887                         command = subst(command, "$$i", buffer->absFileName());
2888                         command = subst(command, "$$p", buffer->filePath());
2889                 }
2890                 command = subst(command, "$$m", to_utf8(message));
2891                 LYXERR(Debug::LYXVC, "Command: " << command);
2892                 Systemcall one;
2893                 one.startscript(Systemcall::Wait, command);
2894
2895                 if (!buffer)
2896                         break;
2897                 if (contains(flag, 'I'))
2898                         buffer->markDirty();
2899                 if (contains(flag, 'R'))
2900                         reloadBuffer(*buffer);
2901
2902                 break;
2903                 }
2904
2905         case LFUN_VC_COMPARE: {
2906
2907                 if (cmd.argument().empty()) {
2908                         lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "comparehistory"));
2909                         break;
2910                 }
2911
2912                 string rev1 = cmd.getArg(0);
2913                 string f1, f2;
2914
2915                 // f1
2916                 if (!buffer->lyxvc().prepareFileRevision(rev1, f1))
2917                         break;
2918
2919                 if (isStrInt(rev1) && convert<int>(rev1) <= 0) {
2920                         f2 = buffer->absFileName();
2921                 } else {
2922                         string rev2 = cmd.getArg(1);
2923                         if (rev2.empty())
2924                                 break;
2925                         // f2
2926                         if (!buffer->lyxvc().prepareFileRevision(rev2, f2))
2927                                 break;
2928                 }
2929
2930                 LYXERR(Debug::LYXVC, "Launching comparison for fetched revisions:\n" <<
2931                                         f1 << "\n"  << f2 << "\n" );
2932                 string par = "compare run " + quoteName(f1) + " " + quoteName(f2);
2933                 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, par));
2934                 break;
2935         }
2936
2937         default:
2938                 break;
2939         }
2940 }
2941
2942
2943 void GuiView::openChildDocument(string const & fname)
2944 {
2945         LASSERT(documentBufferView(), return);
2946         Buffer & buffer = documentBufferView()->buffer();
2947         FileName const filename = support::makeAbsPath(fname, buffer.filePath());
2948         documentBufferView()->saveBookmark(false);
2949         Buffer * child = 0;
2950         if (theBufferList().exists(filename)) {
2951                 child = theBufferList().getBuffer(filename);
2952                 setBuffer(child);
2953         } else {
2954                 message(bformat(_("Opening child document %1$s..."),
2955                         makeDisplayPath(filename.absFileName())));
2956                 child = loadDocument(filename, false);
2957         }
2958         // Set the parent name of the child document.
2959         // This makes insertion of citations and references in the child work,
2960         // when the target is in the parent or another child document.
2961         if (child)
2962                 child->setParent(&buffer);
2963 }
2964
2965
2966 bool GuiView::goToFileRow(string const & argument)
2967 {
2968         string file_name;
2969         int row;
2970         size_t i = argument.find_last_of(' ');
2971         if (i != string::npos) {
2972                 file_name = os::internal_path(trim(argument.substr(0, i)));
2973                 istringstream is(argument.substr(i + 1));
2974                 is >> row;
2975                 if (is.fail())
2976                         i = string::npos;
2977         }
2978         if (i == string::npos) {
2979                 LYXERR0("Wrong argument: " << argument);
2980                 return false;
2981         }
2982         Buffer * buf = 0;
2983         string const abstmp = package().temp_dir().absFileName();
2984         string const realtmp = package().temp_dir().realPath();
2985         // We have to use os::path_prefix_is() here, instead of
2986         // simply prefixIs(), because the file name comes from
2987         // an external application and may need case adjustment.
2988         if (os::path_prefix_is(file_name, abstmp, os::CASE_ADJUSTED)
2989                 || os::path_prefix_is(file_name, realtmp, os::CASE_ADJUSTED)) {
2990                 // Needed by inverse dvi search. If it is a file
2991                 // in tmpdir, call the apropriated function.
2992                 // If tmpdir is a symlink, we may have the real
2993                 // path passed back, so we correct for that.
2994                 if (!prefixIs(file_name, abstmp))
2995                         file_name = subst(file_name, realtmp, abstmp);
2996                 buf = theBufferList().getBufferFromTmp(file_name);
2997         } else {
2998                 // Must replace extension of the file to be .lyx
2999                 // and get full path
3000                 FileName const s = fileSearch(string(),
3001                                                   support::changeExtension(file_name, ".lyx"), "lyx");
3002                 // Either change buffer or load the file
3003                 if (theBufferList().exists(s))
3004                         buf = theBufferList().getBuffer(s);
3005                 else if (s.exists()) {
3006                         buf = loadDocument(s);
3007                         if (!buf)
3008                                 return false;
3009                 } else {
3010                         message(bformat(
3011                                         _("File does not exist: %1$s"),
3012                                         makeDisplayPath(file_name)));
3013                         return false;
3014                 }
3015         }
3016         if (!buf) {
3017                 message(bformat(
3018                         _("No buffer for file: %1$s."),
3019                         makeDisplayPath(file_name))
3020                 );
3021                 return false;
3022         }
3023         setBuffer(buf);
3024         documentBufferView()->setCursorFromRow(row);
3025         return true;
3026 }
3027
3028
3029 #if (QT_VERSION >= 0x040400)
3030 template<class T>
3031 Buffer::ExportStatus GuiView::GuiViewPrivate::runAndDestroy(const T& func, Buffer const * orig, Buffer * clone, string const & format)
3032 {
3033         Buffer::ExportStatus const status = func(format);
3034
3035         // the cloning operation will have produced a clone of the entire set of
3036         // documents, starting from the master. so we must delete those.
3037         Buffer * mbuf = const_cast<Buffer *>(clone->masterBuffer());
3038         delete mbuf;
3039         busyBuffers.remove(orig);
3040         return status;
3041 }
3042
3043
3044 Buffer::ExportStatus GuiView::GuiViewPrivate::compileAndDestroy(Buffer const * orig, Buffer * clone, string const & format)
3045 {
3046         Buffer::ExportStatus (Buffer::* mem_func)(std::string const &, bool) const = &Buffer::doExport;
3047         return runAndDestroy(bind(mem_func, clone, _1, true), orig, clone, format);
3048 }
3049
3050
3051 Buffer::ExportStatus GuiView::GuiViewPrivate::exportAndDestroy(Buffer const * orig, Buffer * clone, string const & format)
3052 {
3053         Buffer::ExportStatus (Buffer::* mem_func)(std::string const &, bool) const = &Buffer::doExport;
3054         return runAndDestroy(bind(mem_func, clone, _1, false), orig, clone, format);
3055 }
3056
3057
3058 Buffer::ExportStatus GuiView::GuiViewPrivate::previewAndDestroy(Buffer const * orig, Buffer * clone, string const & format)
3059 {
3060         Buffer::ExportStatus (Buffer::* mem_func)(std::string const &) const = &Buffer::preview;
3061         return runAndDestroy(bind(mem_func, clone, _1), orig, clone, format);
3062 }
3063
3064 #else
3065
3066 // not used, but the linker needs them
3067
3068 Buffer::ExportStatus GuiView::GuiViewPrivate::compileAndDestroy(
3069                 Buffer const *, Buffer *, string const &)
3070 {
3071         return Buffer::ExportSuccess;
3072 }
3073
3074
3075 Buffer::ExportStatus GuiView::GuiViewPrivate::exportAndDestroy(
3076                 Buffer const *, Buffer *, string const &)
3077 {
3078         return Buffer::ExportSuccess;
3079 }
3080
3081
3082 Buffer::ExportStatus GuiView::GuiViewPrivate::previewAndDestroy(
3083                 Buffer const *, Buffer *, string const &)
3084 {
3085         return Buffer::ExportSuccess;
3086 }
3087
3088 #endif
3089
3090
3091 bool GuiView::GuiViewPrivate::asyncBufferProcessing(
3092                            string const & argument,
3093                            Buffer const * used_buffer,
3094                            docstring const & msg,
3095                            Buffer::ExportStatus (*asyncFunc)(Buffer const *, Buffer *, string const &),
3096                            Buffer::ExportStatus (Buffer::*syncFunc)(string const &, bool) const,
3097                            Buffer::ExportStatus (Buffer::*previewFunc)(string const &) const)
3098 {
3099         if (!used_buffer)
3100                 return false;
3101
3102         string format = argument;
3103         if (format.empty())
3104                 format = used_buffer->params().getDefaultOutputFormat();
3105         processing_format = format;
3106 #if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
3107         if (!msg.empty()) {
3108                 progress_->clearMessages();
3109                 gv_->message(msg);
3110         }
3111         GuiViewPrivate::busyBuffers.insert(used_buffer);
3112   Buffer * cloned_buffer = used_buffer->cloneFromMaster();
3113   if (!cloned_buffer) {
3114       Alert::error(_("Export Error"),
3115                    _("Error cloning the Buffer."));
3116       return false;
3117   }
3118         QFuture<Buffer::ExportStatus> f = QtConcurrent::run(
3119                                 asyncFunc,
3120                                 used_buffer,
3121                                 cloned_buffer,
3122                                 format);
3123         setPreviewFuture(f);
3124         last_export_format = used_buffer->params().bufferFormat();
3125         (void) syncFunc;
3126         (void) previewFunc;
3127         // We are asynchronous, so we don't know here anything about the success
3128         return true;
3129 #else
3130         Buffer::ExportStatus status;
3131         if (syncFunc) {
3132                 // TODO check here if it breaks exporting with Qt < 4.4
3133                 status = (used_buffer->*syncFunc)(format, true);
3134         } else if (previewFunc) {
3135                 status = (used_buffer->*previewFunc)(format);
3136         } else
3137                 return false;
3138         handleExportStatus(gv_, status, format);
3139         (void) asyncFunc;
3140         return (status == Buffer::ExportSuccess
3141                         || status == Buffer::PreviewSuccess);
3142 #endif
3143 }
3144
3145 void GuiView::dispatchToBufferView(FuncRequest const & cmd, DispatchResult & dr)
3146 {
3147         BufferView * bv = currentBufferView();
3148         LASSERT(bv, /**/);
3149
3150         // Let the current BufferView dispatch its own actions.
3151         bv->dispatch(cmd, dr);
3152         if (dr.dispatched())
3153                 return;
3154
3155         // Try with the document BufferView dispatch if any.
3156         BufferView * doc_bv = documentBufferView();
3157         if (doc_bv && doc_bv != bv) {
3158                 doc_bv->dispatch(cmd, dr);
3159                 if (dr.dispatched())
3160                         return;
3161         }
3162
3163         // Then let the current Cursor dispatch its own actions.
3164         bv->cursor().dispatch(cmd);
3165
3166         // update completion. We do it here and not in
3167         // processKeySym to avoid another redraw just for a
3168         // changed inline completion
3169         if (cmd.origin() == FuncRequest::KEYBOARD) {
3170                 if (cmd.action() == LFUN_SELF_INSERT
3171                         || (cmd.action() == LFUN_ERT_INSERT && bv->cursor().inMathed()))
3172                         updateCompletion(bv->cursor(), true, true);
3173                 else if (cmd.action() == LFUN_CHAR_DELETE_BACKWARD)
3174                         updateCompletion(bv->cursor(), false, true);
3175                 else
3176                         updateCompletion(bv->cursor(), false, false);
3177         }
3178
3179         dr = bv->cursor().result();
3180 }
3181
3182
3183 void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
3184 {
3185         BufferView * bv = currentBufferView();
3186         // By default we won't need any update.
3187         dr.screenUpdate(Update::None);
3188         // assume cmd will be dispatched
3189         dr.dispatched(true);
3190
3191         Buffer * doc_buffer = documentBufferView()
3192                 ? &(documentBufferView()->buffer()) : 0;
3193
3194         if (cmd.origin() == FuncRequest::TOC) {
3195                 GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
3196                 // FIXME: do we need to pass a DispatchResult object here?
3197                 toc->doDispatch(bv->cursor(), cmd);
3198                 return;
3199         }
3200
3201         string const argument = to_utf8(cmd.argument());
3202
3203         switch(cmd.action()) {
3204                 case LFUN_BUFFER_CHILD_OPEN:
3205                         openChildDocument(to_utf8(cmd.argument()));
3206                         break;
3207
3208                 case LFUN_BUFFER_IMPORT:
3209                         importDocument(to_utf8(cmd.argument()));
3210                         break;
3211
3212                 case LFUN_BUFFER_EXPORT: {
3213                         if (!doc_buffer)
3214                                 break;
3215                         // GCC only sees strfwd.h when building merged
3216                         if (::lyx::operator==(cmd.argument(), "custom")) {
3217                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"), dr);
3218                                 break;
3219                         }
3220 #if QT_VERSION < 0x040400
3221                         if (!doc_buffer->doExport(argument, false)) {
3222                                 dr.setError(true);
3223                                 dr.setMessage(bformat(_("Error exporting to format: %1$s"),
3224                                         cmd.argument()));
3225                         }
3226 #else
3227                         /* TODO/Review: Is it a problem to also export the children?
3228                                         See the update_unincluded flag */
3229                         d.asyncBufferProcessing(argument,
3230                                                 doc_buffer,
3231                                                 _("Exporting ..."),
3232                                                 &GuiViewPrivate::exportAndDestroy,
3233                                                 &Buffer::doExport,
3234                                                 0);
3235                         // TODO Inform user about success
3236 #endif
3237                         break;
3238                 }
3239
3240                 case LFUN_BUFFER_EXPORT_AS:
3241                         LASSERT(doc_buffer, break);
3242                         exportBufferAs(*doc_buffer);
3243                         break;
3244
3245                 case LFUN_BUFFER_UPDATE: {
3246                         d.asyncBufferProcessing(argument,
3247                                                 doc_buffer,
3248                                                 _("Exporting ..."),
3249                                                 &GuiViewPrivate::compileAndDestroy,
3250                                                 &Buffer::doExport,
3251                                                 0);
3252                         break;
3253                 }
3254                 case LFUN_BUFFER_VIEW: {
3255                         d.asyncBufferProcessing(argument,
3256                                                 doc_buffer,
3257                                                 _("Previewing ..."),
3258                                                 &GuiViewPrivate::previewAndDestroy,
3259                                                 0,
3260                                                 &Buffer::preview);
3261                         break;
3262                 }
3263                 case LFUN_MASTER_BUFFER_UPDATE: {
3264                         d.asyncBufferProcessing(argument,
3265                                                 (doc_buffer ? doc_buffer->masterBuffer() : 0),
3266                                                 docstring(),
3267                                                 &GuiViewPrivate::compileAndDestroy,
3268                                                 &Buffer::doExport,
3269                                                 0);
3270                         break;
3271                 }
3272                 case LFUN_MASTER_BUFFER_VIEW: {
3273                         d.asyncBufferProcessing(argument,
3274                                                 (doc_buffer ? doc_buffer->masterBuffer() : 0),
3275                                                 docstring(),
3276                                                 &GuiViewPrivate::previewAndDestroy,
3277                                                 0, &Buffer::preview);
3278                         break;
3279                 }
3280                 case LFUN_BUFFER_SWITCH: {
3281                         string const file_name = to_utf8(cmd.argument());
3282                         if (!FileName::isAbsolute(file_name)) {
3283                                 dr.setError(true);
3284                                 dr.setMessage(_("Absolute filename expected."));
3285                                 break;
3286                         }
3287
3288                         Buffer * buffer = theBufferList().getBuffer(FileName(file_name));
3289                         if (!buffer) {
3290                                 dr.setError(true);
3291                                 dr.setMessage(_("Document not loaded"));
3292                                 break;
3293                         }
3294
3295                         // Do we open or switch to the buffer in this view ?
3296                         if (workArea(*buffer)
3297                                   || lyxrc.open_buffers_in_tabs || !documentBufferView()) {
3298                                 setBuffer(buffer);
3299                                 break;
3300                         }
3301
3302                         // Look for the buffer in other views
3303                         QList<int> const ids = guiApp->viewIds();
3304                         int i = 0;
3305                         for (; i != ids.size(); ++i) {
3306                                 GuiView & gv = guiApp->view(ids[i]);
3307                                 if (gv.workArea(*buffer)) {
3308                                         gv.activateWindow();
3309                                         gv.setBuffer(buffer);
3310                                         break;
3311                                 }
3312                         }
3313
3314                         // If necessary, open a new window as a last resort
3315                         if (i == ids.size()) {
3316                                 lyx::dispatch(FuncRequest(LFUN_WINDOW_NEW));
3317                                 lyx::dispatch(cmd);
3318                         }
3319                         break;
3320                 }
3321
3322                 case LFUN_BUFFER_NEXT:
3323                         gotoNextOrPreviousBuffer(NEXTBUFFER);
3324                         break;
3325
3326                 case LFUN_BUFFER_PREVIOUS:
3327                         gotoNextOrPreviousBuffer(PREVBUFFER);
3328                         break;
3329
3330                 case LFUN_COMMAND_EXECUTE: {
3331                         bool const show_it = cmd.argument() != "off";
3332                         // FIXME: this is a hack, "minibuffer" should not be
3333                         // hardcoded.
3334                         if (GuiToolbar * t = toolbar("minibuffer")) {
3335                                 t->setVisible(show_it);
3336                                 if (show_it && t->commandBuffer())
3337                                         t->commandBuffer()->setFocus();
3338                         }
3339                         break;
3340                 }
3341                 case LFUN_DROP_LAYOUTS_CHOICE:
3342                         d.layout_->showPopup();
3343                         break;
3344
3345                 case LFUN_MENU_OPEN:
3346                         if (QMenu * menu = guiApp->menus().menu(toqstr(cmd.argument()), *this))
3347                                 menu->exec(QCursor::pos());
3348                         break;
3349
3350                 case LFUN_FILE_INSERT:
3351                         insertLyXFile(cmd.argument());
3352                         break;
3353
3354                 case LFUN_FILE_INSERT_PLAINTEXT:
3355                 case LFUN_FILE_INSERT_PLAINTEXT_PARA: {
3356                         bool const as_paragraph = (cmd.action() == LFUN_FILE_INSERT_PLAINTEXT_PARA);
3357                         string const fname = to_utf8(cmd.argument());
3358                         if (!fname.empty() && !FileName::isAbsolute(fname)) {
3359                                 dr.setMessage(_("Absolute filename expected."));
3360                                 break;
3361                         }
3362
3363                         FileName filename(fname);
3364                         if (fname.empty()) {
3365                                 FileDialog dlg(qt_("Select file to insert"), (as_paragraph ?
3366                                         LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT));
3367
3368                                 FileDialog::Result result = dlg.open(toqstr(bv->buffer().filePath()),
3369                                         QStringList(qt_("All Files (*)")));
3370
3371                                 if (result.first == FileDialog::Later || result.second.isEmpty()) {
3372                                         dr.setMessage(_("Canceled."));
3373                                         break;
3374                                 }
3375
3376                                 filename.set(fromqstr(result.second));
3377                         }
3378
3379                         if (bv) {
3380                                 FuncRequest const new_cmd(cmd, filename.absoluteFilePath());
3381                                 bv->dispatch(new_cmd, dr);
3382                         }
3383                         break;
3384                 }
3385
3386                 case LFUN_BUFFER_RELOAD: {
3387                         LASSERT(doc_buffer, break);
3388
3389                         int ret = 0;
3390                         if (!doc_buffer->isClean()) {
3391                                 docstring const file =
3392                                         makeDisplayPath(doc_buffer->absFileName(), 20);
3393                                 docstring text = bformat(_("Any changes will be lost. "
3394                                         "Are you sure you want to revert to the saved version "
3395                                         "of the document %1$s?"), file);
3396                                 ret = Alert::prompt(_("Revert to saved document?"),
3397                                         text, 1, 1, _("&Revert"), _("&Cancel"));
3398                         }
3399
3400                         if (ret == 0) {
3401                                 doc_buffer->markClean();
3402                                 reloadBuffer(*doc_buffer);
3403                                 dr.forceBufferUpdate();
3404                         }
3405                         break;
3406                 }
3407
3408                 case LFUN_BUFFER_WRITE:
3409                         LASSERT(doc_buffer, break);
3410                         saveBuffer(*doc_buffer);
3411                         break;
3412
3413                 case LFUN_BUFFER_WRITE_AS:
3414                         LASSERT(doc_buffer, break);
3415                         renameBuffer(*doc_buffer, cmd.argument());
3416                         break;
3417
3418                 case LFUN_BUFFER_WRITE_ALL: {
3419                         Buffer * first = theBufferList().first();
3420                         if (!first)
3421                                 break;
3422                         message(_("Saving all documents..."));
3423                         // We cannot use a for loop as the buffer list cycles.
3424                         Buffer * b = first;
3425                         do {
3426                                 if (!b->isClean()) {
3427                                         saveBuffer(*b);
3428                                         LYXERR(Debug::ACTION, "Saved " << b->absFileName());
3429                                 }
3430                                 b = theBufferList().next(b);
3431                         } while (b != first);
3432                         dr.setMessage(_("All documents saved."));
3433                         break;
3434                 }
3435
3436                 case LFUN_BUFFER_CLOSE:
3437                         closeBuffer();
3438                         break;
3439
3440                 case LFUN_BUFFER_CLOSE_ALL:
3441                         closeBufferAll();
3442                         break;
3443
3444                 case LFUN_TOOLBAR_TOGGLE: {
3445                         string const name = cmd.getArg(0);
3446                         if (GuiToolbar * t = toolbar(name))
3447                                 t->toggle();
3448                         break;
3449                 }
3450
3451                 case LFUN_DIALOG_UPDATE: {
3452                         string const name = to_utf8(cmd.argument());
3453                         if (name == "prefs" || name == "document")
3454                                 updateDialog(name, string());
3455                         else if (name == "paragraph")
3456                                 lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
3457                         else if (currentBufferView()) {
3458                                 Inset * inset = currentBufferView()->editedInset(name);
3459                                 // Can only update a dialog connected to an existing inset
3460                                 if (inset) {
3461                                         // FIXME: get rid of this indirection; GuiView ask the inset
3462                                         // if he is kind enough to update itself...
3463                                         FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument());
3464                                         //FIXME: pass DispatchResult here?
3465                                         inset->dispatch(currentBufferView()->cursor(), fr);
3466                                 }
3467                         }
3468                         break;
3469                 }
3470
3471                 case LFUN_DIALOG_TOGGLE: {
3472                         FuncCode const func_code = isDialogVisible(cmd.getArg(0))
3473                                 ? LFUN_DIALOG_HIDE : LFUN_DIALOG_SHOW;
3474                         dispatch(FuncRequest(func_code, cmd.argument()), dr);
3475                         break;
3476                 }
3477
3478                 case LFUN_DIALOG_DISCONNECT_INSET:
3479                         disconnectDialog(to_utf8(cmd.argument()));
3480                         break;
3481
3482                 case LFUN_DIALOG_HIDE: {
3483                         guiApp->hideDialogs(to_utf8(cmd.argument()), 0);
3484                         break;
3485                 }
3486
3487                 case LFUN_DIALOG_SHOW: {
3488                         string const name = cmd.getArg(0);
3489                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
3490
3491                         if (name == "character") {
3492                                 data = freefont2string();
3493                                 if (!data.empty())
3494                                         showDialog("character", data);
3495                         } else if (name == "latexlog") {
3496                                 Buffer::LogType type;
3497                                 string const logfile = doc_buffer->logName(&type);
3498                                 switch (type) {
3499                                 case Buffer::latexlog:
3500                                         data = "latex ";
3501                                         break;
3502                                 case Buffer::buildlog:
3503                                         data = "literate ";
3504                                         break;
3505                                 }
3506                                 data += Lexer::quoteString(logfile);
3507                                 showDialog("log", data);
3508                         } else if (name == "vclog") {
3509                                 string const data = "vc " +
3510                                         Lexer::quoteString(doc_buffer->lyxvc().getLogFile());
3511                                 showDialog("log", data);
3512                         } else if (name == "symbols") {
3513                                 data = bv->cursor().getEncoding()->name();
3514                                 if (!data.empty())
3515                                         showDialog("symbols", data);
3516                         // bug 5274
3517                         } else if (name == "prefs" && isFullScreen()) {
3518                                 lfunUiToggle("fullscreen");
3519                                 showDialog("prefs", data);
3520                         } else
3521                                 showDialog(name, data);
3522                         break;
3523                 }
3524
3525                 case LFUN_MESSAGE:
3526                         dr.setMessage(cmd.argument());
3527                         break;
3528
3529                 case LFUN_UI_TOGGLE: {
3530                         string arg = cmd.getArg(0);
3531                         if (!lfunUiToggle(arg)) {
3532                                 docstring const msg = "ui-toggle " + _("%1$s unknown command!");
3533                                 dr.setMessage(bformat(msg, from_utf8(arg)));
3534                         }
3535                         // Make sure the keyboard focus stays in the work area.
3536                         setFocus();
3537                         break;
3538                 }
3539
3540                 case LFUN_SPLIT_VIEW: {
3541                         LASSERT(doc_buffer, break);
3542                         string const orientation = cmd.getArg(0);
3543                         d.splitter_->setOrientation(orientation == "vertical"
3544                                 ? Qt::Vertical : Qt::Horizontal);
3545                         TabWorkArea * twa = addTabWorkArea();
3546                         GuiWorkArea * wa = twa->addWorkArea(*doc_buffer, *this);
3547                         setCurrentWorkArea(wa);
3548                         break;
3549                 }
3550                 case LFUN_CLOSE_TAB_GROUP:
3551                         if (TabWorkArea * twa = d.currentTabWorkArea()) {
3552                                 closeTabWorkArea(twa);
3553                                 d.current_work_area_ = 0;
3554                                 twa = d.currentTabWorkArea();
3555                                 // Switch to the next GuiWorkArea in the found TabWorkArea.
3556                                 if (twa) {
3557                                         // Make sure the work area is up to date.
3558                                         setCurrentWorkArea(twa->currentWorkArea());
3559                                 } else {
3560                                         setCurrentWorkArea(0);
3561                                 }
3562                         }
3563                         break;
3564
3565                 case LFUN_COMPLETION_INLINE:
3566                         if (d.current_work_area_)
3567                                 d.current_work_area_->completer().showInline();
3568                         break;
3569
3570                 case LFUN_COMPLETION_POPUP:
3571                         if (d.current_work_area_)
3572                                 d.current_work_area_->completer().showPopup();
3573                         break;
3574
3575
3576                 case LFUN_COMPLETION_COMPLETE:
3577                         if (d.current_work_area_)
3578                                 d.current_work_area_->completer().tab();
3579                         break;
3580
3581                 case LFUN_COMPLETION_CANCEL:
3582                         if (d.current_work_area_) {
3583                                 if (d.current_work_area_->completer().popupVisible())
3584                                         d.current_work_area_->completer().hidePopup();
3585                                 else
3586                                         d.current_work_area_->completer().hideInline();
3587                         }
3588                         break;
3589
3590                 case LFUN_COMPLETION_ACCEPT:
3591                         if (d.current_work_area_)
3592                                 d.current_work_area_->completer().activate();
3593                         break;
3594
3595                 case LFUN_BUFFER_ZOOM_IN:
3596                 case LFUN_BUFFER_ZOOM_OUT:
3597                         if (cmd.argument().empty()) {
3598                                 if (cmd.action() == LFUN_BUFFER_ZOOM_IN)
3599                                         lyxrc.zoom += 20;
3600                                 else
3601                                         lyxrc.zoom -= 20;
3602                         } else
3603                                 lyxrc.zoom += convert<int>(cmd.argument());
3604
3605                         if (lyxrc.zoom < 10)
3606                                 lyxrc.zoom = 10;
3607
3608                         // The global QPixmapCache is used in GuiPainter to cache text
3609                         // painting so we must reset it.
3610                         QPixmapCache::clear();
3611                         guiApp->fontLoader().update();
3612                         lyx::dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
3613                         break;
3614
3615                 case LFUN_VC_REGISTER:
3616                 case LFUN_VC_CHECK_IN:
3617                 case LFUN_VC_CHECK_OUT:
3618                 case LFUN_VC_REPO_UPDATE:
3619                 case LFUN_VC_LOCKING_TOGGLE:
3620                 case LFUN_VC_REVERT:
3621                 case LFUN_VC_UNDO_LAST:
3622                 case LFUN_VC_COMMAND:
3623                 case LFUN_VC_COMPARE:
3624                         dispatchVC(cmd, dr);
3625                         break;
3626
3627                 case LFUN_SERVER_GOTO_FILE_ROW:
3628                         goToFileRow(to_utf8(cmd.argument()));
3629                         break;
3630
3631                 case LFUN_FORWARD_SEARCH: {
3632                         Buffer const * doc_master = doc_buffer->masterBuffer();
3633                         FileName const path(doc_master->temppath());
3634                         string const texname = doc_master->isChild(doc_buffer)
3635                                 ? DocFileName(changeExtension(
3636                                         doc_buffer->absFileName(),
3637                                                 "tex")).mangledFileName()
3638                                 : doc_buffer->latexName();
3639                         string const mastername =
3640                                 removeExtension(doc_master->latexName());
3641                         FileName const dviname(addName(path.absFileName(),
3642                                         addExtension(mastername, "dvi")));
3643                         FileName const pdfname(addName(path.absFileName(),
3644                                         addExtension(mastername, "pdf")));
3645                         bool const have_dvi = dviname.exists();
3646                         bool const have_pdf = pdfname.exists();
3647                         if (!have_dvi && !have_pdf) {
3648                                 dr.setMessage(_("Please, preview the document first."));
3649                                 break;
3650                         }
3651                         string outname = dviname.onlyFileName();
3652                         string command = lyxrc.forward_search_dvi;
3653                         if (!have_dvi || (have_pdf &&
3654                             pdfname.lastModified() > dviname.lastModified())) {
3655                                 outname = pdfname.onlyFileName();
3656                                 command = lyxrc.forward_search_pdf;
3657                         }
3658
3659                         int row = doc_buffer->texrow().getRowFromIdPos(bv->cursor().paragraph().id(), bv->cursor().pos());
3660                         LYXERR(Debug::ACTION, "Forward search: row:" << row
3661                                 << " id:" << bv->cursor().paragraph().id());
3662                         if (!row || command.empty()) {
3663                                 dr.setMessage(_("Couldn't proceed."));
3664                                 break;
3665                         }
3666                         string texrow = convert<string>(row);
3667
3668                         command = subst(command, "$$n", texrow);
3669                         command = subst(command, "$$t", texname);
3670                         command = subst(command, "$$o", outname);
3671
3672                         PathChanger p(path);
3673                         Systemcall one;
3674                         one.startscript(Systemcall::DontWait, command);
3675                         break;
3676                 }
3677                 default:
3678                         // The LFUN must be for one of BufferView, Buffer or Cursor;
3679                         // let's try that:
3680                         dispatchToBufferView(cmd, dr);
3681                         break;
3682         }
3683
3684         // Part of automatic menu appearance feature.
3685         if (isFullScreen()) {
3686                 if (menuBar()->isVisible() && lyxrc.full_screen_menubar)
3687                         menuBar()->hide();
3688                 if (statusBar()->isVisible())
3689                         statusBar()->hide();
3690         }
3691 }
3692
3693
3694 bool GuiView::lfunUiToggle(string const & ui_component)
3695 {
3696         if (ui_component == "scrollbar") {
3697                 // hide() is of no help
3698                 if (d.current_work_area_->verticalScrollBarPolicy() ==
3699                         Qt::ScrollBarAlwaysOff)
3700
3701                         d.current_work_area_->setVerticalScrollBarPolicy(
3702                                 Qt::ScrollBarAsNeeded);
3703                 else
3704                         d.current_work_area_->setVerticalScrollBarPolicy(
3705                                 Qt::ScrollBarAlwaysOff);
3706         } else if (ui_component == "statusbar") {
3707                 statusBar()->setVisible(!statusBar()->isVisible());
3708         } else if (ui_component == "menubar") {
3709                 menuBar()->setVisible(!menuBar()->isVisible());
3710         } else
3711 #if QT_VERSION >= 0x040300
3712         if (ui_component == "frame") {
3713                 int l, t, r, b;
3714                 getContentsMargins(&l, &t, &r, &b);
3715                 //are the frames in default state?
3716                 d.current_work_area_->setFrameStyle(QFrame::NoFrame);
3717                 if (l == 0) {
3718                         setContentsMargins(-2, -2, -2, -2);
3719                 } else {
3720                         setContentsMargins(0, 0, 0, 0);
3721                 }
3722         } else
3723 #endif
3724         if (ui_component == "fullscreen") {
3725                 toggleFullScreen();
3726         } else
3727                 return false;
3728         return true;
3729 }
3730
3731
3732 void GuiView::toggleFullScreen()
3733 {
3734         if (isFullScreen()) {
3735                 for (int i = 0; i != d.splitter_->count(); ++i)
3736                         d.tabWorkArea(i)->setFullScreen(false);
3737 #if QT_VERSION >= 0x040300
3738                 setContentsMargins(0, 0, 0, 0);
3739 #endif
3740                 setWindowState(windowState() ^ Qt::WindowFullScreen);
3741                 restoreLayout();
3742                 menuBar()->show();
3743                 statusBar()->show();
3744         } else {
3745                 // bug 5274
3746                 hideDialogs("prefs", 0);
3747                 for (int i = 0; i != d.splitter_->count(); ++i)
3748                         d.tabWorkArea(i)->setFullScreen(true);
3749 #if QT_VERSION >= 0x040300
3750                 setContentsMargins(-2, -2, -2, -2);
3751 #endif
3752                 saveLayout();
3753                 setWindowState(windowState() ^ Qt::WindowFullScreen);
3754                 statusBar()->hide();
3755                 if (lyxrc.full_screen_menubar)
3756                         menuBar()->hide();
3757                 if (lyxrc.full_screen_toolbars) {
3758                         ToolbarMap::iterator end = d.toolbars_.end();
3759                         for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
3760                                 it->second->hide();
3761                 }
3762         }
3763
3764         // give dialogs like the TOC a chance to adapt
3765         updateDialogs();
3766 }
3767
3768
3769 Buffer const * GuiView::updateInset(Inset const * inset)
3770 {
3771         if (!inset)
3772                 return 0;
3773
3774         Buffer const * inset_buffer = &(inset->buffer());
3775
3776         for (int i = 0; i != d.splitter_->count(); ++i) {
3777                 GuiWorkArea * wa = d.tabWorkArea(i)->currentWorkArea();
3778                 if (!wa)
3779                         continue;
3780                 Buffer const * buffer = &(wa->bufferView().buffer());
3781                 if (inset_buffer == buffer)
3782                         wa->scheduleRedraw();
3783         }
3784         return inset_buffer;
3785 }
3786
3787
3788 void GuiView::restartCursor()
3789 {
3790         /* When we move around, or type, it's nice to be able to see
3791          * the cursor immediately after the keypress.
3792          */
3793         if (d.current_work_area_)
3794                 d.current_work_area_->startBlinkingCursor();
3795
3796         // Take this occasion to update the other GUI elements.
3797         updateDialogs();
3798         updateStatusBar();
3799 }
3800
3801
3802 void GuiView::updateCompletion(Cursor & cur, bool start, bool keep)
3803 {
3804         if (d.current_work_area_)
3805                 d.current_work_area_->completer().updateVisibility(cur, start, keep);
3806 }
3807
3808 namespace {
3809
3810 // This list should be kept in sync with the list of insets in
3811 // src/insets/Inset.cpp.  I.e., if a dialog goes with an inset, the
3812 // dialog should have the same name as the inset.
3813 // Changes should be also recorded in LFUN_DIALOG_SHOW doxygen
3814 // docs in LyXAction.cpp.
3815
3816 char const * const dialognames[] = {
3817
3818 "aboutlyx", "bibitem", "bibtex", "box", "branch", "changes", "character",
3819 "citation", "compare", "comparehistory", "document", "errorlist", "ert",
3820 "external", "file", "findreplace", "findreplaceadv", "float", "graphics",
3821 "href", "include", "index", "index_print", "info", "listings", "label", "line",
3822 "log", "mathdelimiter", "mathmatrix", "mathspace", "nomenclature",
3823 "nomencl_print", "note", "paragraph", "phantom", "prefs", "print", "ref",
3824 "sendto", "space", "spellchecker", "symbols", "tabular", "tabularcreate",
3825 "thesaurus", "texinfo", "toc", "view-source", "vspace", "wrap", "progress"};
3826
3827 char const * const * const end_dialognames =
3828         dialognames + (sizeof(dialognames) / sizeof(char *));
3829
3830 class cmpCStr {
3831 public:
3832         cmpCStr(char const * name) : name_(name) {}
3833         bool operator()(char const * other) {
3834                 return strcmp(other, name_) == 0;
3835         }
3836 private:
3837         char const * name_;
3838 };
3839
3840
3841 bool isValidName(string const & name)
3842 {
3843         return find_if(dialognames, end_dialognames,
3844                                 cmpCStr(name.c_str())) != end_dialognames;
3845 }
3846
3847 } // namespace anon
3848
3849
3850 void GuiView::resetDialogs()
3851 {
3852         // Make sure that no LFUN uses any GuiView.
3853         guiApp->setCurrentView(0);
3854         saveLayout();
3855         saveUISettings();
3856         menuBar()->clear();
3857         constructToolbars();
3858         guiApp->menus().fillMenuBar(menuBar(), this, false);
3859         d.layout_->updateContents(true);
3860         // Now update controls with current buffer.
3861         guiApp->setCurrentView(this);
3862         restoreLayout();
3863         restartCursor();
3864 }
3865
3866
3867 Dialog * GuiView::findOrBuild(string const & name, bool hide_it)
3868 {
3869         if (!isValidName(name))
3870                 return 0;
3871
3872         map<string, DialogPtr>::iterator it = d.dialogs_.find(name);
3873
3874         if (it != d.dialogs_.end()) {
3875                 if (hide_it)
3876                         it->second->hideView();
3877                 return it->second.get();
3878         }
3879
3880         Dialog * dialog = build(name);
3881         d.dialogs_[name].reset(dialog);
3882         if (lyxrc.allow_geometry_session)
3883                 dialog->restoreSession();
3884         if (hide_it)
3885                 dialog->hideView();
3886         return dialog;
3887 }
3888
3889
3890 void GuiView::showDialog(string const & name, string const & data,
3891         Inset * inset)
3892 {
3893         triggerShowDialog(toqstr(name), toqstr(data), inset);
3894 }
3895
3896
3897 void GuiView::doShowDialog(QString const & qname, QString const & qdata,
3898         Inset * inset)
3899 {
3900         if (d.in_show_)
3901                 return;
3902
3903         const string name = fromqstr(qname);
3904         const string data = fromqstr(qdata);
3905
3906         d.in_show_ = true;
3907         try {
3908                 Dialog * dialog = findOrBuild(name, false);
3909                 if (dialog) {
3910                         bool const visible = dialog->isVisibleView();
3911                         dialog->showData(data);
3912                         if (inset && currentBufferView())
3913                                 currentBufferView()->editInset(name, inset);
3914                         // We only set the focus to the new dialog if it was not yet
3915                         // visible in order not to change the existing previous behaviour
3916                         if (visible) {
3917                                 // activateWindow is needed for floating dockviews
3918                                 dialog->asQWidget()->raise();
3919                                 dialog->asQWidget()->activateWindow();
3920                                 dialog->asQWidget()->setFocus();
3921                         }
3922                 }
3923         }
3924         catch (ExceptionMessage const & ex) {
3925                 d.in_show_ = false;
3926                 throw ex;
3927         }
3928         d.in_show_ = false;
3929 }
3930
3931
3932 bool GuiView::isDialogVisible(string const & name) const
3933 {
3934         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
3935         if (it == d.dialogs_.end())
3936                 return false;
3937         return it->second.get()->isVisibleView() && !it->second.get()->isClosing();
3938 }
3939
3940
3941 void GuiView::hideDialog(string const & name, Inset * inset)
3942 {
3943         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
3944         if (it == d.dialogs_.end())
3945                 return;
3946
3947         if (inset) {
3948                 if (!currentBufferView())
3949                         return;
3950                 if (inset != currentBufferView()->editedInset(name))
3951                         return;
3952         }
3953
3954         Dialog * const dialog = it->second.get();
3955         if (dialog->isVisibleView())
3956                 dialog->hideView();
3957         if (currentBufferView())
3958                 currentBufferView()->editInset(name, 0);
3959 }
3960
3961
3962 void GuiView::disconnectDialog(string const & name)
3963 {
3964         if (!isValidName(name))
3965                 return;
3966         if (currentBufferView())
3967                 currentBufferView()->editInset(name, 0);
3968 }
3969
3970
3971 void GuiView::hideAll() const
3972 {
3973         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
3974         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
3975
3976         for(; it != end; ++it)
3977                 it->second->hideView();
3978 }
3979
3980
3981 void GuiView::updateDialogs()
3982 {
3983         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
3984         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
3985
3986         for(; it != end; ++it) {
3987                 Dialog * dialog = it->second.get();
3988                 if (dialog) {
3989                         if (dialog->needBufferOpen() && !documentBufferView())
3990                                 hideDialog(fromqstr(dialog->name()), 0);
3991                         else if (dialog->isVisibleView())
3992                                 dialog->checkStatus();
3993                 }
3994         }
3995         updateToolbars();
3996         updateLayoutList();
3997 }
3998
3999 Dialog * createDialog(GuiView & lv, string const & name);
4000
4001 // will be replaced by a proper factory...
4002 Dialog * createGuiAbout(GuiView & lv);
4003 Dialog * createGuiBibtex(GuiView & lv);
4004 Dialog * createGuiChanges(GuiView & lv);
4005 Dialog * createGuiCharacter(GuiView & lv);
4006 Dialog * createGuiCitation(GuiView & lv);
4007 Dialog * createGuiCompare(GuiView & lv);
4008 Dialog * createGuiCompareHistory(GuiView & lv);
4009 Dialog * createGuiDelimiter(GuiView & lv);
4010 Dialog * createGuiDocument(GuiView & lv);
4011 Dialog * createGuiErrorList(GuiView & lv);
4012 Dialog * createGuiExternal(GuiView & lv);
4013 Dialog * createGuiGraphics(GuiView & lv);
4014 Dialog * createGuiInclude(GuiView & lv);
4015 Dialog * createGuiIndex(GuiView & lv);
4016 Dialog * createGuiListings(GuiView & lv);
4017 Dialog * createGuiLog(GuiView & lv);
4018 Dialog * createGuiMathMatrix(GuiView & lv);
4019 Dialog * createGuiNote(GuiView & lv);
4020 Dialog * createGuiParagraph(GuiView & lv);
4021 Dialog * createGuiPhantom(GuiView & lv);
4022 Dialog * createGuiPreferences(GuiView & lv);
4023 Dialog * createGuiPrint(GuiView & lv);
4024 Dialog * createGuiPrintindex(GuiView & lv);
4025 Dialog * createGuiRef(GuiView & lv);
4026 Dialog * createGuiSearch(GuiView & lv);
4027 Dialog * createGuiSearchAdv(GuiView & lv);
4028 Dialog * createGuiSendTo(GuiView & lv);
4029 Dialog * createGuiShowFile(GuiView & lv);
4030 Dialog * createGuiSpellchecker(GuiView & lv);
4031 Dialog * createGuiSymbols(GuiView & lv);
4032 Dialog * createGuiTabularCreate(GuiView & lv);
4033 Dialog * createGuiTexInfo(GuiView & lv);
4034 Dialog * createGuiToc(GuiView & lv);
4035 Dialog * createGuiThesaurus(GuiView & lv);
4036 Dialog * createGuiViewSource(GuiView & lv);
4037 Dialog * createGuiWrap(GuiView & lv);
4038 Dialog * createGuiProgressView(GuiView & lv);
4039
4040
4041
4042 Dialog * GuiView::build(string const & name)
4043 {
4044         LASSERT(isValidName(name), return 0);
4045
4046         Dialog * dialog = createDialog(*this, name);
4047         if (dialog)
4048                 return dialog;
4049
4050         if (name == "aboutlyx")
4051                 return createGuiAbout(*this);
4052         if (name == "bibtex")
4053                 return createGuiBibtex(*this);
4054         if (name == "changes")
4055                 return createGuiChanges(*this);
4056         if (name == "character")
4057                 return createGuiCharacter(*this);
4058         if (name == "citation")
4059                 return createGuiCitation(*this);
4060         if (name == "compare")
4061                 return createGuiCompare(*this);
4062         if (name == "comparehistory")
4063                 return createGuiCompareHistory(*this);
4064         if (name == "document")
4065                 return createGuiDocument(*this);
4066         if (name == "errorlist")
4067                 return createGuiErrorList(*this);
4068         if (name == "external")
4069                 return createGuiExternal(*this);
4070         if (name == "file")
4071                 return createGuiShowFile(*this);
4072         if (name == "findreplace")
4073                 return createGuiSearch(*this);
4074         if (name == "findreplaceadv")
4075                 return createGuiSearchAdv(*this);
4076         if (name == "graphics")
4077                 return createGuiGraphics(*this);
4078         if (name == "include")
4079                 return createGuiInclude(*this);
4080         if (name == "index")
4081                 return createGuiIndex(*this);
4082         if (name == "index_print")
4083                 return createGuiPrintindex(*this);
4084         if (name == "listings")
4085                 return createGuiListings(*this);
4086         if (name == "log")
4087                 return createGuiLog(*this);
4088         if (name == "mathdelimiter")
4089                 return createGuiDelimiter(*this);
4090         if (name == "mathmatrix")
4091                 return createGuiMathMatrix(*this);
4092         if (name == "note")
4093                 return createGuiNote(*this);
4094         if (name == "paragraph")
4095                 return createGuiParagraph(*this);
4096         if (name == "phantom")
4097                 return createGuiPhantom(*this);
4098         if (name == "prefs")
4099                 return createGuiPreferences(*this);
4100         if (name == "print")
4101                 return createGuiPrint(*this);
4102         if (name == "ref")
4103                 return createGuiRef(*this);
4104         if (name == "sendto")
4105                 return createGuiSendTo(*this);
4106         if (name == "spellchecker")
4107                 return createGuiSpellchecker(*this);
4108         if (name == "symbols")
4109                 return createGuiSymbols(*this);
4110         if (name == "tabularcreate")
4111                 return createGuiTabularCreate(*this);
4112         if (name == "texinfo")
4113                 return createGuiTexInfo(*this);
4114         if (name == "thesaurus")
4115                 return createGuiThesaurus(*this);
4116         if (name == "toc")
4117                 return createGuiToc(*this);
4118         if (name == "view-source")
4119                 return createGuiViewSource(*this);
4120         if (name == "wrap")
4121                 return createGuiWrap(*this);
4122         if (name == "progress")
4123                 return createGuiProgressView(*this);
4124
4125         return 0;
4126 }
4127
4128
4129 } // namespace frontend
4130 } // namespace lyx
4131
4132 #include "moc_GuiView.cpp"