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 #include "frontends/KeySymbol.h"
  38
  39 #include "buffer_funcs.h"
  40 #include "Buffer.h"
  41 #include "BufferList.h"
  42 #include "BufferParams.h"
  43 #include "BufferView.h"
  44 #include "Compare.h"
  45 #include "Converter.h"
  46 #include "Cursor.h"
  47 #include "CutAndPaste.h"
  48 #include "Encoding.h"
  49 #include "ErrorList.h"
  50 #include "Format.h"
  51 #include "FuncStatus.h"
  52 #include "FuncRequest.h"
  53 #include "Intl.h"
  54 #include "Layout.h"
  55 #include "Lexer.h"
  56 #include "LyXAction.h"
  57 #include "LyX.h"
  58 #include "LyXRC.h"
  59 #include "LyXVC.h"
  60 #include "Paragraph.h"
  61 #include "SpellChecker.h"
  62 #include "Session.h"
  63 #include "TexRow.h"
  64 #include "TextClass.h"
  65 #include "Text.h"
  66 #include "Toolbars.h"
  67 #include "version.h"
  68
  69 #include "support/convert.h"
  70 #include "support/debug.h"
  71 #include "support/ExceptionMessage.h"
  72 #include "support/FileName.h"
  73 #include "support/filetools.h"
  74 #include "support/gettext.h"
  75 #include "support/filetools.h"
  76 #include "support/ForkedCalls.h"
  77 #include "support/lassert.h"
  78 #include "support/lstrings.h"
  79 #include "support/os.h"
  80 #include "support/Package.h"
  81 #include "support/PathChanger.h"
  82 #include "support/Systemcall.h"
  83 #include "support/Timeout.h"
  84 #include "support/ProgressInterface.h"
  85
  86 #include <QAction>
  87 #include <QApplication>
  88 #include <QCloseEvent>
  89 #include <QDebug>
  90 #include <QDesktopWidget>
  91 #include <QDragEnterEvent>
  92 #include <QDropEvent>
  93 #include <QFuture>
  94 #include <QFutureWatcher>
  95 #include <QLabel>
  96 #include <QList>
  97 #include <QMenu>
  98 #include <QMenuBar>
  99 #include <QMimeData>
 100 #include <QMovie>
 101 #include <QPainter>
 102 #include <QPixmap>
 103 #include <QPixmapCache>
 104 #include <QPoint>
 105 #include <QPushButton>
 106 #include <QScrollBar>
 107 #include <QSettings>
 108 #include <QShowEvent>
 109 #include <QSplitter>
 110 #include <QStackedWidget>
 111 #include <QStatusBar>
 112 #include <QtConcurrentRun>
 113 #include <QTime>
 114 #include <QTimer>
 115 #include <QToolBar>
 116 #include <QUrl>
 117
 118
 119
 120 #define EXPORT_in_THREAD 1
 121
 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         int countWorkAreasOf(Buffer & buf)
 334         {
 335                 int areas = tabWorkAreaCount();
 336                 int count = 0;
 337                 for (int i = 0; i != areas;  ++i) {
 338                         TabWorkArea * twa = tabWorkArea(i);
 339                         if (twa->workArea(buf))
 340                                 ++count;
 341                 }
 342                 return count;
 343         }
 344
 345         void setPreviewFuture(QFuture<Buffer::ExportStatus> const & f)
 346         {
 347                 if (processing_thread_watcher_.isRunning()) {
 348                         // we prefer to cancel this preview in order to keep a snappy
 349                         // interface.
 350                         return;
 351                 }
 352                 processing_thread_watcher_.setFuture(f);
 353         }
 354
 355 public:
 356         GuiView * gv_;
 357         GuiWorkArea * current_work_area_;
 358         GuiWorkArea * current_main_work_area_;
 359         QSplitter * splitter_;
 360         QStackedWidget * stack_widget_;
 361         BackgroundWidget * bg_widget_;
 362         /// view's toolbars
 363         ToolbarMap toolbars_;
 364         ProgressInterface* progress_;
 365         /// The main layout box.
 366         /**
 367          * \warning Don't Delete! The layout box is actually owned by
 368          * whichever toolbar contains it. All the GuiView class needs is a
 369          * means of accessing it.
 370          *
 371          * FIXME: replace that with a proper model so that we are not limited
 372          * to only one dialog.
 373          */
 374         LayoutBox * layout_;
 375
 376         ///
 377         map<string, DialogPtr> dialogs_;
 378
 379         unsigned int smallIconSize;
 380         unsigned int normalIconSize;
 381         unsigned int bigIconSize;
 382         ///
 383         QTimer statusbar_timer_;
 384         /// auto-saving of buffers
 385         Timeout autosave_timeout_;
 386         /// flag against a race condition due to multiclicks, see bug #1119
 387         bool in_show_;
 388
 389         ///
 390         TocModels toc_models_;
 391
 392         ///
 393         QFutureWatcher<docstring> autosave_watcher_;
 394         QFutureWatcher<Buffer::ExportStatus> processing_thread_watcher_;
 395         ///
 396         string last_export_format;
 397         string processing_format;
 398
 399         static QSet<Buffer const *> busyBuffers;
 400         static Buffer::ExportStatus previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
 401         static Buffer::ExportStatus exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
 402         static Buffer::ExportStatus compileAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
 403         static docstring autosaveAndDestroy(Buffer const * orig, Buffer * buffer);
 404
 405         template<class T>
 406         static Buffer::ExportStatus runAndDestroy(const T& func, Buffer const * orig, Buffer * buffer, string const & format);
 407
 408         // TODO syncFunc/previewFunc: use bind
 409         bool asyncBufferProcessing(string const & argument,
 410                                    Buffer const * used_buffer,
 411                                    docstring const & msg,
 412                                    Buffer::ExportStatus (*asyncFunc)(Buffer const *, Buffer *, string const &),
 413                                    Buffer::ExportStatus (Buffer::*syncFunc)(string const &, bool) const,
 414                                    Buffer::ExportStatus (Buffer::*previewFunc)(string const &) const);
 415
 416         QVector<GuiWorkArea*> guiWorkAreas();
 417 };
 418
 419 QSet<Buffer const *> GuiView::GuiViewPrivate::busyBuffers;
 420
 421
 422 GuiView::GuiView(int id)
 423         : d(*new GuiViewPrivate(this)), id_(id), closing_(false), busy_(0)
 424 {
 425         // GuiToolbars *must* be initialised before the menu bar.
 426         normalSizedIcons(); // at least on Mac the default is 32 otherwise, which is huge
 427         constructToolbars();
 428
 429         // set ourself as the current view. This is needed for the menu bar
 430         // filling, at least for the static special menu item on Mac. Otherwise
 431         // they are greyed out.
 432         guiApp->setCurrentView(this);
 433
 434         // Fill up the menu bar.
 435         guiApp->menus().fillMenuBar(menuBar(), this, true);
 436
 437         setCentralWidget(d.stack_widget_);
 438
 439         // Start autosave timer
 440         if (lyxrc.autosave) {
 441                 d.autosave_timeout_.timeout.connect(bind(&GuiView::autoSave, this));
 442                 d.autosave_timeout_.setTimeout(lyxrc.autosave * 1000);
 443                 d.autosave_timeout_.start();
 444         }
 445         connect(&d.statusbar_timer_, SIGNAL(timeout()),
 446                 this, SLOT(clearMessage()));
 447
 448         // We don't want to keep the window in memory if it is closed.
 449         setAttribute(Qt::WA_DeleteOnClose, true);
 450
 451 #if (!defined(Q_WS_WIN) && !defined(Q_WS_MACX))
 452         // QIcon::fromTheme was introduced in Qt 4.6
 453 #if (QT_VERSION >= 0x040600)
 454         // assign an icon to main form. We do not do it under Qt/Win or Qt/Mac,
 455         // since the icon is provided in the application bundle. We use a themed
 456         // version when available and use the bundled one as fallback.
 457         setWindowIcon(QIcon::fromTheme("lyx", getPixmap("images/", "lyx", "png")));
 458 #else
 459         setWindowIcon(getPixmap("images/", "lyx", "png"));
 460 #endif
 461
 462 #endif
 463         resetWindowTitleAndIconText();
 464
 465         // use tabbed dock area for multiple docks
 466         // (such as "source" and "messages")
 467         setDockOptions(QMainWindow::ForceTabbedDocks);
 468
 469         // For Drag&Drop.
 470         setAcceptDrops(true);
 471
 472         // add busy indicator to statusbar
 473         QLabel * busylabel = new QLabel(statusBar());
 474         statusBar()->addPermanentWidget(busylabel);
 475         QString fn = toqstr(lyx::libFileSearch("images", "busy.gif").absFileName());
 476         QMovie * busyanim = new QMovie(fn, QByteArray(), busylabel);
 477         busylabel->setMovie(busyanim);
 478         busyanim->start();
 479         busylabel->hide();
 480
 481         connect(&d.processing_thread_watcher_, SIGNAL(started()),
 482                 busylabel, SLOT(show()));
 483         connect(&d.processing_thread_watcher_, SIGNAL(finished()),
 484                 busylabel, SLOT(hide()));
 485
 486         statusBar()->setSizeGripEnabled(true);
 487         updateStatusBar();
 488
 489         connect(&d.autosave_watcher_, SIGNAL(finished()), this,
 490                 SLOT(autoSaveThreadFinished()));
 491
 492         connect(&d.processing_thread_watcher_, SIGNAL(started()), this,
 493                 SLOT(processingThreadStarted()));
 494         connect(&d.processing_thread_watcher_, SIGNAL(finished()), this,
 495                 SLOT(processingThreadFinished()));
 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 void GuiView::processingThreadStarted()
 568 {
 569 }
 570
 571
 572 void GuiView::processingThreadFinished()
 573 {
 574         QFutureWatcher<Buffer::ExportStatus> const * watcher =
 575                 static_cast<QFutureWatcher<Buffer::ExportStatus> const *>(sender());
 576
 577         Buffer::ExportStatus const status = watcher->result();
 578         handleExportStatus(this, status, d.processing_format);
 579
 580         updateToolbars();
 581         BufferView const * const bv = currentBufferView();
 582         if (bv && !bv->buffer().errorList("Export").empty()) {
 583                 errors("Export");
 584                 return;
 585         }
 586         errors(d.last_export_format);
 587 }
 588
 589
 590 void GuiView::autoSaveThreadFinished()
 591 {
 592         QFutureWatcher<docstring> const * watcher =
 593                 static_cast<QFutureWatcher<docstring> const *>(sender());
 594         message(watcher->result());
 595         updateToolbars();
 596 }
 597
 598
 599 void GuiView::saveLayout() const
 600 {
 601         QSettings settings;
 602         settings.beginGroup("views");
 603         settings.beginGroup(QString::number(id_));
 604 #ifdef Q_WS_X11
 605         settings.setValue("pos", pos());
 606         settings.setValue("size", size());
 607 #else
 608         settings.setValue("geometry", saveGeometry());
 609 #endif
 610         settings.setValue("layout", saveState(0));
 611         settings.setValue("icon_size", iconSize());
 612 }
 613
 614
 615 void GuiView::saveUISettings() const
 616 {
 617         // Save the toolbar private states
 618         ToolbarMap::iterator end = d.toolbars_.end();
 619         for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
 620                 it->second->saveSession();
 621         // Now take care of all other dialogs
 622         map<string, DialogPtr>::const_iterator it = d.dialogs_.begin();
 623         for (; it!= d.dialogs_.end(); ++it)
 624                 it->second->saveSession();
 625 }
 626
 627
 628 bool GuiView::restoreLayout()
 629 {
 630         QSettings settings;
 631         settings.beginGroup("views");
 632         settings.beginGroup(QString::number(id_));
 633         QString const icon_key = "icon_size";
 634         if (!settings.contains(icon_key))
 635                 return false;
 636
 637         //code below is skipped when when ~/.config/LyX is (re)created
 638         QSize icon_size = settings.value(icon_key).toSize();
 639         // Check whether session size changed.
 640         if (icon_size.width() != int(d.smallIconSize) &&
 641             icon_size.width() != int(d.normalIconSize) &&
 642             icon_size.width() != int(d.bigIconSize)) {
 643                 icon_size.setWidth(d.normalIconSize);
 644                 icon_size.setHeight(d.normalIconSize);
 645         }
 646         setIconSize(icon_size);
 647
 648 #ifdef Q_WS_X11
 649         QPoint pos = settings.value("pos", QPoint(50, 50)).toPoint();
 650         QSize size = settings.value("size", QSize(690, 510)).toSize();
 651         resize(size);
 652         move(pos);
 653 #else
 654         // Work-around for bug #6034: the window ends up in an undetermined
 655         // state when trying to restore a maximized window when it is
 656         // already maximized.
 657         if (!(windowState() & Qt::WindowMaximized))
 658                 if (!restoreGeometry(settings.value("geometry").toByteArray()))
 659                         setGeometry(50, 50, 690, 510);
 660 #endif
 661         // Make sure layout is correctly oriented.
 662         setLayoutDirection(qApp->layoutDirection());
 663
 664         // Allow the toc and view-source dock widget to be restored if needed.
 665         Dialog * dialog;
 666         if ((dialog = findOrBuild("toc", true)))
 667                 // see bug 5082. At least setup title and enabled state.
 668                 // Visibility will be adjusted by restoreState below.
 669                 dialog->prepareView();
 670         if ((dialog = findOrBuild("view-source", true)))
 671                 dialog->prepareView();
 672         if ((dialog = findOrBuild("progress", true)))
 673                 dialog->prepareView();
 674         if ((dialog = findOrBuild("findreplaceadv", true)))
 675                 dialog->prepareView();
 676
 677         if (!restoreState(settings.value("layout").toByteArray(), 0))
 678                 initToolbars();
 679
 680         // init the toolbars that have not been restored
 681         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 682         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 683         for (; cit != end; ++cit) {
 684                 GuiToolbar * tb = toolbar(cit->name);
 685                 if (tb && !tb->isRestored())
 686                         initToolbar(cit->name);
 687         }
 688
 689         updateDialogs();
 690         return true;
 691 }
 692
 693
 694 GuiToolbar * GuiView::toolbar(string const & name)
 695 {
 696         ToolbarMap::iterator it = d.toolbars_.find(name);
 697         if (it != d.toolbars_.end())
 698                 return it->second;
 699
 700         LYXERR(Debug::GUI, "Toolbar::display: no toolbar named " << name);
 701         return 0;
 702 }
 703
 704
 705 void GuiView::constructToolbars()
 706 {
 707         ToolbarMap::iterator it = d.toolbars_.begin();
 708         for (; it != d.toolbars_.end(); ++it)
 709                 delete it->second;
 710         d.toolbars_.clear();
 711
 712         // I don't like doing this here, but the standard toolbar
 713         // destroys this object when it's destroyed itself (vfr)
 714         d.layout_ = new LayoutBox(*this);
 715         d.stack_widget_->addWidget(d.layout_);
 716         d.layout_->move(0,0);
 717
 718         // extracts the toolbars from the backend
 719         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 720         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 721         for (; cit != end; ++cit)
 722                 d.toolbars_[cit->name] =  new GuiToolbar(*cit, *this);
 723 }
 724
 725
 726 void GuiView::initToolbars()
 727 {
 728         // extracts the toolbars from the backend
 729         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 730         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 731         for (; cit != end; ++cit)
 732                 initToolbar(cit->name);
 733 }
 734
 735
 736 void GuiView::initToolbar(string const & name)
 737 {
 738         GuiToolbar * tb = toolbar(name);
 739         if (!tb)
 740                 return;
 741         int const visibility = guiApp->toolbars().defaultVisibility(name);
 742         bool newline = !(visibility & Toolbars::SAMEROW);
 743         tb->setVisible(false);
 744         tb->setVisibility(visibility);
 745
 746         if (visibility & Toolbars::TOP) {
 747                 if (newline)
 748                         addToolBarBreak(Qt::TopToolBarArea);
 749                 addToolBar(Qt::TopToolBarArea, tb);
 750         }
 751
 752         if (visibility & Toolbars::BOTTOM) {
 753                 if (newline)
 754                         addToolBarBreak(Qt::BottomToolBarArea);
 755                 addToolBar(Qt::BottomToolBarArea, tb);
 756         }
 757
 758         if (visibility & Toolbars::LEFT) {
 759                 if (newline)
 760                         addToolBarBreak(Qt::LeftToolBarArea);
 761                 addToolBar(Qt::LeftToolBarArea, tb);
 762         }
 763
 764         if (visibility & Toolbars::RIGHT) {
 765                 if (newline)
 766                         addToolBarBreak(Qt::RightToolBarArea);
 767                 addToolBar(Qt::RightToolBarArea, tb);
 768         }
 769
 770         if (visibility & Toolbars::ON)
 771                 tb->setVisible(true);
 772 }
 773
 774
 775 TocModels & GuiView::tocModels()
 776 {
 777         return d.toc_models_;
 778 }
 779
 780
 781 void GuiView::setFocus()
 782 {
 783         LYXERR(Debug::DEBUG, "GuiView::setFocus()" << this);
 784         QMainWindow::setFocus();
 785 }
 786
 787
 788 void GuiView::focusInEvent(QFocusEvent * e)
 789 {
 790         LYXERR(Debug::DEBUG, "GuiView::focusInEvent()" << this);
 791         QMainWindow::focusInEvent(e);
 792         // Make sure guiApp points to the correct view.
 793         guiApp->setCurrentView(this);
 794         if (currentWorkArea())
 795                 currentWorkArea()->setFocus();
 796         else if (currentMainWorkArea())
 797                 currentMainWorkArea()->setFocus();
 798         else
 799                 d.bg_widget_->setFocus();
 800 }
 801
 802
 803 QMenu * GuiView::createPopupMenu()
 804 {
 805         return d.toolBarPopup(this);
 806 }
 807
 808
 809 void GuiView::showEvent(QShowEvent * e)
 810 {
 811         LYXERR(Debug::GUI, "Passed Geometry "
 812                 << size().height() << "x" << size().width()
 813                 << "+" << pos().x() << "+" << pos().y());
 814
 815         if (d.splitter_->count() == 0)
 816                 // No work area, switch to the background widget.
 817                 d.setBackground();
 818
 819         updateToolbars();
 820         QMainWindow::showEvent(e);
 821 }
 822
 823
 824 bool GuiView::closeScheduled()
 825 {
 826         closing_ = true;
 827         return close();
 828 }
 829
 830
 831 /** Destroy only all tabbed WorkAreas. Destruction of other WorkAreas
 832  ** is responsibility of the container (e.g., dialog)
 833  **/
 834 void GuiView::closeEvent(QCloseEvent * close_event)
 835 {
 836         LYXERR(Debug::DEBUG, "GuiView::closeEvent()");
 837
 838         if (!GuiViewPrivate::busyBuffers.isEmpty()) {
 839                 Alert::warning(_("Exit LyX"),
 840                         _("LyX could not be closed because documents are being processed by LyX."));
 841                 close_event->setAccepted(false);
 842                 return;
 843         }
 844
 845         // If the user pressed the x (so we didn't call closeView
 846         // programmatically), we want to clear all existing entries.
 847         if (!closing_)
 848                 theSession().lastOpened().clear();
 849         closing_ = true;
 850
 851         writeSession();
 852
 853         // it can happen that this event arrives without selecting the view,
 854         // e.g. when clicking the close button on a background window.
 855         setFocus();
 856         if (!closeWorkAreaAll()) {
 857                 closing_ = false;
 858                 close_event->ignore();
 859                 return;
 860         }
 861
 862         // Make sure that nothing will use this to be closed View.
 863         guiApp->unregisterView(this);
 864
 865         if (isFullScreen()) {
 866                 // Switch off fullscreen before closing.
 867                 toggleFullScreen();
 868                 updateDialogs();
 869         }
 870
 871         // Make sure the timer time out will not trigger a statusbar update.
 872         d.statusbar_timer_.stop();
 873
 874         // Saving fullscreen requires additional tweaks in the toolbar code.
 875         // It wouldn't also work under linux natively.
 876         if (lyxrc.allow_geometry_session) {
 877                 saveLayout();
 878                 saveUISettings();
 879         }
 880
 881         close_event->accept();
 882 }
 883
 884
 885 void GuiView::dragEnterEvent(QDragEnterEvent * event)
 886 {
 887         if (event->mimeData()->hasUrls())
 888                 event->accept();
 889         /// \todo Ask lyx-devel is this is enough:
 890         /// if (event->mimeData()->hasFormat("text/plain"))
 891         ///     event->acceptProposedAction();
 892 }
 893
 894
 895 void GuiView::dropEvent(QDropEvent * event)
 896 {
 897         QList<QUrl> files = event->mimeData()->urls();
 898         if (files.isEmpty())
 899                 return;
 900
 901         LYXERR(Debug::GUI, "GuiView::dropEvent: got URLs!");
 902         for (int i = 0; i != files.size(); ++i) {
 903                 string const file = os::internal_path(fromqstr(
 904                         files.at(i).toLocalFile()));
 905                 if (file.empty())
 906                         continue;
 907
 908                 string const ext = support::getExtension(file);
 909                 vector<const Format *> found_formats;
 910
 911                 // Find all formats that have the correct extension.
 912                 vector<const Format *> const & import_formats
 913                         = theConverters().importableFormats();
 914                 vector<const Format *>::const_iterator it = import_formats.begin();
 915                 for (; it != import_formats.end(); ++it)
 916                         if ((*it)->hasExtension(ext))
 917                                 found_formats.push_back(*it);
 918
 919                 FuncRequest cmd;
 920                 if (found_formats.size() >= 1) {
 921                         if (found_formats.size() > 1) {
 922                                 //FIXME: show a dialog to choose the correct importable format
 923                                 LYXERR(Debug::FILES,
 924                                         "Multiple importable formats found, selecting first");
 925                         }
 926                         string const arg = found_formats[0]->name() + " " + file;
 927                         cmd = FuncRequest(LFUN_BUFFER_IMPORT, arg);
 928                 }
 929                 else {
 930                         //FIXME: do we have to explicitly check whether it's a lyx file?
 931                         LYXERR(Debug::FILES,
 932                                 "No formats found, trying to open it as a lyx file");
 933                         cmd = FuncRequest(LFUN_FILE_OPEN, file);
 934                 }
 935                 // add the functions to the queue
 936                 guiApp->addToFuncRequestQueue(cmd);
 937                 event->accept();
 938         }
 939         // now process the collected functions. We perform the events
 940         // asynchronously. This prevents potential problems in case the
 941         // BufferView is closed within an event.
 942         guiApp->processFuncRequestQueueAsync();
 943 }
 944
 945
 946 void GuiView::message(docstring const & str)
 947 {
 948         if (ForkedProcess::iAmAChild())
 949                 return;
 950
 951         // call is moved to GUI-thread by GuiProgress
 952         d.progress_->appendMessage(toqstr(str));
 953 }
 954
 955
 956 void GuiView::clearMessageText()
 957 {
 958         message(docstring());
 959 }
 960
 961
 962 void GuiView::updateStatusBarMessage(QString const & str)
 963 {
 964         statusBar()->showMessage(str);
 965         d.statusbar_timer_.stop();
 966         d.statusbar_timer_.start(3000);
 967 }
 968
 969
 970 void GuiView::smallSizedIcons()
 971 {
 972         setIconSize(QSize(d.smallIconSize, d.smallIconSize));
 973 }
 974
 975
 976 void GuiView::normalSizedIcons()
 977 {
 978         setIconSize(QSize(d.normalIconSize, d.normalIconSize));
 979 }
 980
 981
 982 void GuiView::bigSizedIcons()
 983 {
 984         setIconSize(QSize(d.bigIconSize, d.bigIconSize));
 985 }
 986
 987
 988 void GuiView::clearMessage()
 989 {
 990         // FIXME: This code was introduced in r19643 to fix bug #4123. However,
 991         // the hasFocus function mostly returns false, even if the focus is on
 992         // a workarea in this view.
 993         //if (!hasFocus())
 994         //      return;
 995         showMessage();
 996         d.statusbar_timer_.stop();
 997 }
 998
 999
1000 void GuiView::updateWindowTitle(GuiWorkArea * wa)
1001 {
1002         if (wa != d.current_work_area_
1003                 || wa->bufferView().buffer().isInternal())
1004                 return;
1005         setWindowTitle(qt_("LyX: ") + wa->windowTitle());
1006         setWindowIconText(wa->windowIconText());
1007 }
1008
1009
1010 void GuiView::on_currentWorkAreaChanged(GuiWorkArea * wa)
1011 {
1012         if (d.current_work_area_)
1013                 QObject::disconnect(d.current_work_area_, SIGNAL(busy(bool)),
1014                         this, SLOT(setBusy(bool)));
1015         disconnectBuffer();
1016         disconnectBufferView();
1017         connectBufferView(wa->bufferView());
1018         connectBuffer(wa->bufferView().buffer());
1019         d.current_work_area_ = wa;
1020         QObject::connect(wa, SIGNAL(titleChanged(GuiWorkArea *)),
1021                 this, SLOT(updateWindowTitle(GuiWorkArea *)));
1022         QObject::connect(wa, SIGNAL(busy(bool)), this, SLOT(setBusy(bool)));
1023         updateWindowTitle(wa);
1024
1025         structureChanged();
1026
1027         // The document settings needs to be reinitialised.
1028         updateDialog("document", "");
1029
1030         // Buffer-dependent dialogs must be updated. This is done here because
1031         // some dialogs require buffer()->text.
1032         updateDialogs();
1033 }
1034
1035
1036 void GuiView::on_lastWorkAreaRemoved()
1037 {
1038         if (closing_)
1039                 // We already are in a close event. Nothing more to do.
1040                 return;
1041
1042         if (d.splitter_->count() > 1)
1043                 // We have a splitter so don't close anything.
1044                 return;
1045
1046         // Reset and updates the dialogs.
1047         d.toc_models_.reset(0);
1048         updateDialog("document", "");
1049         updateDialogs();
1050
1051         resetWindowTitleAndIconText();
1052         updateStatusBar();
1053
1054         if (lyxrc.open_buffers_in_tabs)
1055                 // Nothing more to do, the window should stay open.
1056                 return;
1057
1058         if (guiApp->viewIds().size() > 1) {
1059                 close();
1060                 return;
1061         }
1062
1063 #ifdef Q_WS_MACX
1064         // On Mac we also close the last window because the application stay
1065         // resident in memory. On other platforms we don't close the last
1066         // window because this would quit the application.
1067         close();
1068 #endif
1069 }
1070
1071
1072 void GuiView::updateStatusBar()
1073 {
1074         // let the user see the explicit message
1075         if (d.statusbar_timer_.isActive())
1076                 return;
1077
1078         showMessage();
1079 }
1080
1081
1082 void GuiView::showMessage()
1083 {
1084         if (busy_)
1085                 return;
1086         QString msg = toqstr(theGuiApp()->viewStatusMessage());
1087         if (msg.isEmpty()) {
1088                 BufferView const * bv = currentBufferView();
1089                 if (bv)
1090                         msg = toqstr(bv->cursor().currentState());
1091                 else
1092                         msg = qt_("Welcome to LyX!");
1093         }
1094         statusBar()->showMessage(msg);
1095 }
1096
1097
1098 bool GuiView::event(QEvent * e)
1099 {
1100         switch (e->type())
1101         {
1102         // Useful debug code:
1103         //case QEvent::ActivationChange:
1104         //case QEvent::WindowDeactivate:
1105         //case QEvent::Paint:
1106         //case QEvent::Enter:
1107         //case QEvent::Leave:
1108         //case QEvent::HoverEnter:
1109         //case QEvent::HoverLeave:
1110         //case QEvent::HoverMove:
1111         //case QEvent::StatusTip:
1112         //case QEvent::DragEnter:
1113         //case QEvent::DragLeave:
1114         //case QEvent::Drop:
1115         //      break;
1116
1117         case QEvent::WindowActivate: {
1118                 GuiView * old_view = guiApp->currentView();
1119                 if (this == old_view) {
1120                         setFocus();
1121                         return QMainWindow::event(e);
1122                 }
1123                 if (old_view && old_view->currentBufferView()) {
1124                         // save current selection to the selection buffer to allow
1125                         // middle-button paste in this window.
1126                         cap::saveSelection(old_view->currentBufferView()->cursor());
1127                 }
1128                 guiApp->setCurrentView(this);
1129                 if (d.current_work_area_) {
1130                         BufferView & bv = d.current_work_area_->bufferView();
1131                         connectBufferView(bv);
1132                         connectBuffer(bv.buffer());
1133                         // The document structure, name and dialogs might have
1134                         // changed in another view.
1135                         structureChanged();
1136                         // The document settings needs to be reinitialised.
1137                         updateDialog("document", "");
1138                         updateDialogs();
1139                 } else {
1140                         resetWindowTitleAndIconText();
1141                 }
1142                 setFocus();
1143                 return QMainWindow::event(e);
1144         }
1145
1146         case QEvent::ShortcutOverride: {
1147                 // See bug 4888
1148                 if (isFullScreen() && menuBar()->isHidden()) {
1149                         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
1150                         // FIXME: we should also try to detect special LyX shortcut such as
1151                         // Alt-P and Alt-M. Right now there is a hack in
1152                         // GuiWorkArea::processKeySym() that hides again the menubar for
1153                         // those cases.
1154                         if (ke->modifiers() & Qt::AltModifier && ke->key() != Qt::Key_Alt) {
1155                                 menuBar()->show();
1156                                 return QMainWindow::event(e);
1157                         }
1158                 }
1159                 return QMainWindow::event(e);
1160         }
1161
1162         default:
1163                 return QMainWindow::event(e);
1164         }
1165 }
1166
1167 void GuiView::resetWindowTitleAndIconText()
1168 {
1169         setWindowTitle(qt_("LyX"));
1170         setWindowIconText(qt_("LyX"));
1171 }
1172
1173 bool GuiView::focusNextPrevChild(bool /*next*/)
1174 {
1175         setFocus();
1176         return true;
1177 }
1178
1179
1180 bool GuiView::busy() const
1181 {
1182         return busy_ > 0;
1183 }
1184
1185
1186 void GuiView::setBusy(bool busy)
1187 {
1188         bool const busy_before = busy_ > 0;
1189         busy ? ++busy_ : --busy_;
1190         if ((busy_ > 0) == busy_before)
1191                 // busy state didn't change
1192                 return;
1193
1194         if (busy) {
1195                 QApplication::setOverrideCursor(Qt::WaitCursor);
1196                 return;
1197         }
1198         QApplication::restoreOverrideCursor();
1199         updateLayoutList();
1200 }
1201
1202
1203 GuiWorkArea * GuiView::workArea(int index)
1204 {
1205         if (TabWorkArea * twa = d.currentTabWorkArea())
1206                 if (index < twa->count())
1207                         return dynamic_cast<GuiWorkArea *>(twa->widget(index));
1208         return 0;
1209 }
1210
1211
1212 GuiWorkArea * GuiView::workArea(Buffer & buffer)
1213 {
1214         if (currentWorkArea()
1215                 && &currentWorkArea()->bufferView().buffer() == &buffer)
1216                 return (GuiWorkArea *) currentWorkArea();
1217         if (TabWorkArea * twa = d.currentTabWorkArea())
1218                 return twa->workArea(buffer);
1219         return 0;
1220 }
1221
1222
1223 GuiWorkArea * GuiView::addWorkArea(Buffer & buffer)
1224 {
1225         // Automatically create a TabWorkArea if there are none yet.
1226         TabWorkArea * tab_widget = d.splitter_->count()
1227                 ? d.currentTabWorkArea() : addTabWorkArea();
1228         return tab_widget->addWorkArea(buffer, *this);
1229 }
1230
1231
1232 TabWorkArea * GuiView::addTabWorkArea()
1233 {
1234         TabWorkArea * twa = new TabWorkArea;
1235         QObject::connect(twa, SIGNAL(currentWorkAreaChanged(GuiWorkArea *)),
1236                 this, SLOT(on_currentWorkAreaChanged(GuiWorkArea *)));
1237         QObject::connect(twa, SIGNAL(lastWorkAreaRemoved()),
1238                          this, SLOT(on_lastWorkAreaRemoved()));
1239
1240         d.splitter_->addWidget(twa);
1241         d.stack_widget_->setCurrentWidget(d.splitter_);
1242         return twa;
1243 }
1244
1245
1246 GuiWorkArea const * GuiView::currentWorkArea() const
1247 {
1248         return d.current_work_area_;
1249 }
1250
1251
1252 GuiWorkArea * GuiView::currentWorkArea()
1253 {
1254         return d.current_work_area_;
1255 }
1256
1257
1258 GuiWorkArea const * GuiView::currentMainWorkArea() const
1259 {
1260         if (!d.currentTabWorkArea())
1261                 return 0;
1262         return d.currentTabWorkArea()->currentWorkArea();
1263 }
1264
1265
1266 GuiWorkArea * GuiView::currentMainWorkArea()
1267 {
1268         if (!d.currentTabWorkArea())
1269                 return 0;
1270         return d.currentTabWorkArea()->currentWorkArea();
1271 }
1272
1273
1274 void GuiView::setCurrentWorkArea(GuiWorkArea * wa)
1275 {
1276         LYXERR(Debug::DEBUG, "Setting current wa: " << wa << endl);
1277         if (!wa) {
1278                 d.current_work_area_ = 0;
1279                 d.setBackground();
1280                 return;
1281         }
1282
1283         // FIXME: I've no clue why this is here and why it accesses
1284         //  theGuiApp()->currentView, which might be 0 (bug 6464).
1285         //  See also 27525 (vfr).
1286         if (theGuiApp()->currentView() == this
1287                   && theGuiApp()->currentView()->currentWorkArea() == wa)
1288                 return;
1289
1290         if (currentBufferView())
1291                 cap::saveSelection(currentBufferView()->cursor());
1292
1293         theGuiApp()->setCurrentView(this);
1294         d.current_work_area_ = wa;
1295
1296         // We need to reset this now, because it will need to be
1297         // right if the tabWorkArea gets reset in the for loop. We
1298         // will change it back if we aren't in that case.
1299         GuiWorkArea * const old_cmwa = d.current_main_work_area_;
1300         d.current_main_work_area_ = wa;
1301
1302         for (int i = 0; i != d.splitter_->count(); ++i) {
1303                 if (d.tabWorkArea(i)->setCurrentWorkArea(wa)) {
1304                         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea()
1305                                 << ", Current main wa: " << currentMainWorkArea());
1306                         return;
1307                 }
1308         }
1309
1310         d.current_main_work_area_ = old_cmwa;
1311
1312         LYXERR(Debug::DEBUG, "This is not a tabbed wa");
1313         on_currentWorkAreaChanged(wa);
1314         BufferView & bv = wa->bufferView();
1315         bv.cursor().fixIfBroken();
1316         bv.updateMetrics();
1317         wa->setUpdatesEnabled(true);
1318         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() << ", Current main wa: " << currentMainWorkArea());
1319 }
1320
1321
1322 void GuiView::removeWorkArea(GuiWorkArea * wa)
1323 {
1324         LASSERT(wa, return);
1325         if (wa == d.current_work_area_) {
1326                 disconnectBuffer();
1327                 disconnectBufferView();
1328                 d.current_work_area_ = 0;
1329                 d.current_main_work_area_ = 0;
1330         }
1331
1332         bool found_twa = false;
1333         for (int i = 0; i != d.splitter_->count(); ++i) {
1334                 TabWorkArea * twa = d.tabWorkArea(i);
1335                 if (twa->removeWorkArea(wa)) {
1336                         // Found in this tab group, and deleted the GuiWorkArea.
1337                         found_twa = true;
1338                         if (twa->count() != 0) {
1339                                 if (d.current_work_area_ == 0)
1340                                         // This means that we are closing the current GuiWorkArea, so
1341                                         // switch to the next GuiWorkArea in the found TabWorkArea.
1342                                         setCurrentWorkArea(twa->currentWorkArea());
1343                         } else {
1344                                 // No more WorkAreas in this tab group, so delete it.
1345                                 delete twa;
1346                         }
1347                         break;
1348                 }
1349         }
1350
1351         // It is not a tabbed work area (i.e., the search work area), so it
1352         // should be deleted by other means.
1353         LASSERT(found_twa, return);
1354
1355         if (d.current_work_area_ == 0) {
1356                 if (d.splitter_->count() != 0) {
1357                         TabWorkArea * twa = d.currentTabWorkArea();
1358                         setCurrentWorkArea(twa->currentWorkArea());
1359                 } else {
1360                         // No more work areas, switch to the background widget.
1361                         setCurrentWorkArea(0);
1362                 }
1363         }
1364 }
1365
1366
1367 LayoutBox * GuiView::getLayoutDialog() const
1368 {
1369         return d.layout_;
1370 }
1371
1372
1373 void GuiView::updateLayoutList()
1374 {
1375         if (d.layout_)
1376                 d.layout_->updateContents(false);
1377 }
1378
1379
1380 void GuiView::updateToolbars()
1381 {
1382         ToolbarMap::iterator end = d.toolbars_.end();
1383         if (d.current_work_area_) {
1384                 bool const math =
1385                         d.current_work_area_->bufferView().cursor().inMathed()
1386                         && !d.current_work_area_->bufferView().cursor().inRegexped();
1387                 bool const table =
1388                         lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
1389                 bool const review =
1390                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
1391                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onOff(true);
1392                 bool const mathmacrotemplate =
1393                         lyx::getStatus(FuncRequest(LFUN_IN_MATHMACROTEMPLATE)).enabled();
1394                 bool const ipa =
1395                         lyx::getStatus(FuncRequest(LFUN_IN_IPA)).enabled();
1396
1397                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1398                         it->second->update(math, table, review, mathmacrotemplate, ipa);
1399         } else
1400                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1401                         it->second->update(false, false, false, false, false);
1402 }
1403
1404
1405 void GuiView::setBuffer(Buffer * newBuffer)
1406 {
1407         LYXERR(Debug::DEBUG, "Setting buffer: " << newBuffer << endl);
1408         LASSERT(newBuffer, return);
1409
1410         GuiWorkArea * wa = workArea(*newBuffer);
1411         if (wa == 0) {
1412                 setBusy(true);
1413                 newBuffer->masterBuffer()->updateBuffer();
1414                 setBusy(false);
1415                 wa = addWorkArea(*newBuffer);
1416                 // scroll to the position when the BufferView was last closed
1417                 if (lyxrc.use_lastfilepos) {
1418                         LastFilePosSection::FilePos filepos =
1419                                 theSession().lastFilePos().load(newBuffer->fileName());
1420                         wa->bufferView().moveToPosition(filepos.pit, filepos.pos, 0, 0);
1421                 }
1422         } else {
1423                 //Disconnect the old buffer...there's no new one.
1424                 disconnectBuffer();
1425         }
1426         connectBuffer(*newBuffer);
1427         connectBufferView(wa->bufferView());
1428         setCurrentWorkArea(wa);
1429 }
1430
1431
1432 void GuiView::connectBuffer(Buffer & buf)
1433 {
1434         buf.setGuiDelegate(this);
1435 }
1436
1437
1438 void GuiView::disconnectBuffer()
1439 {
1440         if (d.current_work_area_)
1441                 d.current_work_area_->bufferView().buffer().setGuiDelegate(0);
1442 }
1443
1444
1445 void GuiView::connectBufferView(BufferView & bv)
1446 {
1447         bv.setGuiDelegate(this);
1448 }
1449
1450
1451 void GuiView::disconnectBufferView()
1452 {
1453         if (d.current_work_area_)
1454                 d.current_work_area_->bufferView().setGuiDelegate(0);
1455 }
1456
1457
1458 void GuiView::errors(string const & error_type, bool from_master)
1459 {
1460         BufferView const * const bv = currentBufferView();
1461         if (!bv)
1462                 return;
1463
1464 #if EXPORT_in_THREAD
1465         // We are called with from_master == false by default, so we
1466         // have to figure out whether that is the case or not.
1467         ErrorList & el = bv->buffer().errorList(error_type);
1468         if (el.empty()) {
1469             el = bv->buffer().masterBuffer()->errorList(error_type);
1470             from_master = true;
1471         }
1472 #else
1473         ErrorList const & el = from_master ?
1474                 bv->buffer().masterBuffer()->errorList(error_type) :
1475                 bv->buffer().errorList(error_type);
1476 #endif
1477
1478         if (el.empty())
1479                 return;
1480
1481         string data = error_type;
1482         if (from_master)
1483                 data = "from_master|" + error_type;
1484         showDialog("errorlist", data);
1485 }
1486
1487
1488 void GuiView::updateTocItem(string const & type, DocIterator const & dit)
1489 {
1490         d.toc_models_.updateItem(toqstr(type), dit);
1491 }
1492
1493
1494 void GuiView::structureChanged()
1495 {
1496         d.toc_models_.reset(documentBufferView());
1497         // Navigator needs more than a simple update in this case. It needs to be
1498         // rebuilt.
1499         updateDialog("toc", "");
1500 }
1501
1502
1503 void GuiView::updateDialog(string const & name, string const & data)
1504 {
1505         if (!isDialogVisible(name))
1506                 return;
1507
1508         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
1509         if (it == d.dialogs_.end())
1510                 return;
1511
1512         Dialog * const dialog = it->second.get();
1513         if (dialog->isVisibleView())
1514                 dialog->initialiseParams(data);
1515 }
1516
1517
1518 BufferView * GuiView::documentBufferView()
1519 {
1520         return currentMainWorkArea()
1521                 ? &currentMainWorkArea()->bufferView()
1522                 : 0;
1523 }
1524
1525
1526 BufferView const * GuiView::documentBufferView() const
1527 {
1528         return currentMainWorkArea()
1529                 ? &currentMainWorkArea()->bufferView()
1530                 : 0;
1531 }
1532
1533
1534 BufferView * GuiView::currentBufferView()
1535 {
1536         return d.current_work_area_ ? &d.current_work_area_->bufferView() : 0;
1537 }
1538
1539
1540 BufferView const * GuiView::currentBufferView() const
1541 {
1542         return d.current_work_area_ ? &d.current_work_area_->bufferView() : 0;
1543 }
1544
1545
1546 docstring GuiView::GuiViewPrivate::autosaveAndDestroy(
1547         Buffer const * orig, Buffer * clone)
1548 {
1549         bool const success = clone->autoSave();
1550         delete clone;
1551         busyBuffers.remove(orig);
1552         return success
1553                 ? _("Automatic save done.")
1554                 : _("Automatic save failed!");
1555 }
1556
1557
1558 void GuiView::autoSave()
1559 {
1560         LYXERR(Debug::INFO, "Running autoSave()");
1561
1562         Buffer * buffer = documentBufferView()
1563                 ? &documentBufferView()->buffer() : 0;
1564         if (!buffer) {
1565                 resetAutosaveTimers();
1566                 return;
1567         }
1568
1569         GuiViewPrivate::busyBuffers.insert(buffer);
1570         QFuture<docstring> f = QtConcurrent::run(GuiViewPrivate::autosaveAndDestroy,
1571                 buffer, buffer->cloneBufferOnly());
1572         d.autosave_watcher_.setFuture(f);
1573         resetAutosaveTimers();
1574 }
1575
1576
1577 void GuiView::resetAutosaveTimers()
1578 {
1579         if (lyxrc.autosave)
1580                 d.autosave_timeout_.restart();
1581 }
1582
1583
1584 bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1585 {
1586         bool enable = true;
1587         Buffer * buf = currentBufferView()
1588                 ? &currentBufferView()->buffer() : 0;
1589         Buffer * doc_buffer = documentBufferView()
1590                 ? &(documentBufferView()->buffer()) : 0;
1591
1592         // Check whether we need a buffer
1593         if (!lyxaction.funcHasFlag(cmd.action(), LyXAction::NoBuffer) && !buf) {
1594                 // no, exit directly
1595                 flag.message(from_utf8(N_("Command not allowed with"
1596                                         "out any document open")));
1597                 flag.setEnabled(false);
1598                 return true;
1599         }
1600
1601         if (cmd.origin() == FuncRequest::TOC) {
1602                 GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
1603                 if (!toc || !toc->getStatus(documentBufferView()->cursor(), cmd, flag))
1604                         flag.setEnabled(false);
1605                 return true;
1606         }
1607
1608         switch(cmd.action()) {
1609         case LFUN_BUFFER_IMPORT:
1610                 break;
1611
1612         case LFUN_MASTER_BUFFER_UPDATE:
1613         case LFUN_MASTER_BUFFER_VIEW:
1614                 enable = doc_buffer && doc_buffer->parent() != 0
1615                         && !d.processing_thread_watcher_.isRunning();
1616                 break;
1617
1618         case LFUN_BUFFER_UPDATE:
1619         case LFUN_BUFFER_VIEW: {
1620                 if (!doc_buffer || d.processing_thread_watcher_.isRunning()) {
1621                         enable = false;
1622                         break;
1623                 }
1624                 string format = to_utf8(cmd.argument());
1625                 if (cmd.argument().empty())
1626                         format = doc_buffer->params().getDefaultOutputFormat();
1627                 enable = doc_buffer->params().isExportableFormat(format);
1628                 break;
1629         }
1630
1631         case LFUN_BUFFER_RELOAD:
1632                 enable = doc_buffer && !doc_buffer->isUnnamed()
1633                         && doc_buffer->fileName().exists()
1634                         && (!doc_buffer->isClean()
1635                            || doc_buffer->isExternallyModified(Buffer::timestamp_method));
1636                 break;
1637
1638         case LFUN_BUFFER_CHILD_OPEN:
1639                 enable = doc_buffer;
1640                 break;
1641
1642         case LFUN_BUFFER_WRITE:
1643                 enable = doc_buffer && (doc_buffer->isUnnamed() || !doc_buffer->isClean());
1644                 break;
1645
1646         //FIXME: This LFUN should be moved to GuiApplication.
1647         case LFUN_BUFFER_WRITE_ALL: {
1648                 // We enable the command only if there are some modified buffers
1649                 Buffer * first = theBufferList().first();
1650                 enable = false;
1651                 if (!first)
1652                         break;
1653                 Buffer * b = first;
1654                 // We cannot use a for loop as the buffer list is a cycle.
1655                 do {
1656                         if (!b->isClean()) {
1657                                 enable = true;
1658                                 break;
1659                         }
1660                         b = theBufferList().next(b);
1661                 } while (b != first);
1662                 break;
1663         }
1664
1665         case LFUN_BUFFER_WRITE_AS:
1666         case LFUN_BUFFER_EXPORT_AS:
1667                 enable = doc_buffer;
1668                 break;
1669
1670         case LFUN_BUFFER_CLOSE:
1671         case LFUN_VIEW_CLOSE:
1672                 enable = doc_buffer;
1673                 break;
1674
1675         case LFUN_BUFFER_CLOSE_ALL:
1676                 enable = theBufferList().last() != theBufferList().first();
1677                 break;
1678
1679         case LFUN_VIEW_SPLIT:
1680                 if (cmd.getArg(0) == "vertical")
1681                         enable = doc_buffer && (d.splitter_->count() == 1 ||
1682                                          d.splitter_->orientation() == Qt::Vertical);
1683                 else
1684                         enable = doc_buffer && (d.splitter_->count() == 1 ||
1685                                          d.splitter_->orientation() == Qt::Horizontal);
1686                 break;
1687
1688         case LFUN_TAB_GROUP_CLOSE:
1689                 enable = d.tabWorkAreaCount() > 1;
1690                 break;
1691
1692         case LFUN_TOOLBAR_TOGGLE: {
1693                 string const name = cmd.getArg(0);
1694                 if (GuiToolbar * t = toolbar(name))
1695                         flag.setOnOff(t->isVisible());
1696                 else {
1697                         enable = false;
1698                         docstring const msg =
1699                                 bformat(_("Unknown toolbar \"%1$s\""), from_utf8(name));
1700                         flag.message(msg);
1701                 }
1702                 break;
1703         }
1704
1705         case LFUN_DROP_LAYOUTS_CHOICE:
1706                 enable = buf;
1707                 break;
1708
1709         case LFUN_UI_TOGGLE:
1710                 flag.setOnOff(isFullScreen());
1711                 break;
1712
1713         case LFUN_DIALOG_DISCONNECT_INSET:
1714                 break;
1715
1716         case LFUN_DIALOG_HIDE:
1717                 // FIXME: should we check if the dialog is shown?
1718                 break;
1719
1720         case LFUN_DIALOG_TOGGLE:
1721                 flag.setOnOff(isDialogVisible(cmd.getArg(0)));
1722                 // fall through to set "enable"
1723         case LFUN_DIALOG_SHOW: {
1724                 string const name = cmd.getArg(0);
1725                 if (!doc_buffer)
1726                         enable = name == "aboutlyx"
1727                                 || name == "file" //FIXME: should be removed.
1728                                 || name == "prefs"
1729                                 || name == "texinfo"
1730                                 || name == "progress"
1731                                 || name == "compare";
1732                 else if (name == "print")
1733                         enable = doc_buffer->params().isExportable("dvi")
1734                                 && lyxrc.print_command != "none";
1735                 else if (name == "character" || name == "symbols") {
1736                         if (!buf || buf->isReadonly())
1737                                 enable = false;
1738                         else {
1739                                 Cursor const & cur = currentBufferView()->cursor();
1740                                 enable = !(cur.inTexted() && cur.paragraph().isPassThru());
1741                         }
1742                 }
1743                 else if (name == "latexlog")
1744                         enable = FileName(doc_buffer->logName()).isReadableFile();
1745                 else if (name == "spellchecker")
1746                         enable = theSpellChecker()
1747                                 && !doc_buffer->isReadonly()
1748                                 && !doc_buffer->text().empty();
1749                 else if (name == "vclog")
1750                         enable = doc_buffer->lyxvc().inUse();
1751                 break;
1752         }
1753
1754         case LFUN_DIALOG_UPDATE: {
1755                 string const name = cmd.getArg(0);
1756                 if (!buf)
1757                         enable = name == "prefs";
1758                 break;
1759         }
1760
1761         case LFUN_COMMAND_EXECUTE:
1762         case LFUN_MESSAGE:
1763         case LFUN_MENU_OPEN:
1764                 // Nothing to check.
1765                 break;
1766
1767         case LFUN_COMPLETION_INLINE:
1768                 if (!d.current_work_area_
1769                         || !d.current_work_area_->completer().inlinePossible(
1770                         currentBufferView()->cursor()))
1771                         enable = false;
1772                 break;
1773
1774         case LFUN_COMPLETION_POPUP:
1775                 if (!d.current_work_area_
1776                         || !d.current_work_area_->completer().popupPossible(
1777                         currentBufferView()->cursor()))
1778                         enable = false;
1779                 break;
1780
1781         case LFUN_COMPLETION_COMPLETE:
1782                 if (!d.current_work_area_
1783                         || !d.current_work_area_->completer().inlinePossible(
1784                         currentBufferView()->cursor()))
1785                         enable = false;
1786                 break;
1787
1788         case LFUN_COMPLETION_ACCEPT:
1789                 if (!d.current_work_area_
1790                         || (!d.current_work_area_->completer().popupVisible()
1791                         && !d.current_work_area_->completer().inlineVisible()
1792                         && !d.current_work_area_->completer().completionAvailable()))
1793                         enable = false;
1794                 break;
1795
1796         case LFUN_COMPLETION_CANCEL:
1797                 if (!d.current_work_area_
1798                         || (!d.current_work_area_->completer().popupVisible()
1799                         && !d.current_work_area_->completer().inlineVisible()))
1800                         enable = false;
1801                 break;
1802
1803         case LFUN_BUFFER_ZOOM_OUT:
1804                 enable = doc_buffer && lyxrc.zoom > 10;
1805                 break;
1806
1807         case LFUN_BUFFER_ZOOM_IN:
1808                 enable = doc_buffer;
1809                 break;
1810
1811         case LFUN_BUFFER_NEXT:
1812         case LFUN_BUFFER_PREVIOUS:
1813                 // FIXME: should we check is there is an previous or next buffer?
1814                 break;
1815         case LFUN_BUFFER_SWITCH:
1816                 // toggle on the current buffer, but do not toggle off
1817                 // the other ones (is that a good idea?)
1818                 if (doc_buffer
1819                         && to_utf8(cmd.argument()) == doc_buffer->absFileName())
1820                         flag.setOnOff(true);
1821                 break;
1822
1823         case LFUN_VC_REGISTER:
1824                 enable = doc_buffer && !doc_buffer->lyxvc().inUse();
1825                 break;
1826         case LFUN_VC_RENAME:
1827                 enable = doc_buffer && doc_buffer->lyxvc().renameEnabled();
1828                 break;
1829         case LFUN_VC_COPY:
1830                 enable = doc_buffer && doc_buffer->lyxvc().copyEnabled();
1831                 break;
1832         case LFUN_VC_CHECK_IN:
1833                 enable = doc_buffer && doc_buffer->lyxvc().checkInEnabled();
1834                 break;
1835         case LFUN_VC_CHECK_OUT:
1836                 enable = doc_buffer && doc_buffer->lyxvc().checkOutEnabled();
1837                 break;
1838         case LFUN_VC_LOCKING_TOGGLE:
1839                 enable = doc_buffer && !doc_buffer->isReadonly()
1840                         && doc_buffer->lyxvc().lockingToggleEnabled();
1841                 flag.setOnOff(enable && doc_buffer->lyxvc().locking());
1842                 break;
1843         case LFUN_VC_REVERT:
1844                 enable = doc_buffer && doc_buffer->lyxvc().inUse() && !doc_buffer->isReadonly();
1845                 break;
1846         case LFUN_VC_UNDO_LAST:
1847                 enable = doc_buffer && doc_buffer->lyxvc().undoLastEnabled();
1848                 break;
1849         case LFUN_VC_REPO_UPDATE:
1850                 enable = doc_buffer && doc_buffer->lyxvc().repoUpdateEnabled();
1851                 break;
1852         case LFUN_VC_COMMAND: {
1853                 if (cmd.argument().empty())
1854                         enable = false;
1855                 if (!doc_buffer && contains(cmd.getArg(0), 'D'))
1856                         enable = false;
1857                 break;
1858         }
1859         case LFUN_VC_COMPARE:
1860                 enable = doc_buffer && doc_buffer->lyxvc().prepareFileRevisionEnabled();
1861                 break;
1862
1863         case LFUN_SERVER_GOTO_FILE_ROW:
1864                 break;
1865         case LFUN_FORWARD_SEARCH:
1866                 enable = !(lyxrc.forward_search_dvi.empty() && lyxrc.forward_search_pdf.empty());
1867                 break;
1868
1869         case LFUN_FILE_INSERT_PLAINTEXT:
1870         case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1871                 enable = documentBufferView() && documentBufferView()->cursor().inTexted();
1872                 break;
1873
1874         case LFUN_SPELLING_CONTINUOUSLY:
1875                 flag.setOnOff(lyxrc.spellcheck_continuously);
1876                 break;
1877
1878         default:
1879                 return false;
1880         }
1881
1882         if (!enable)
1883                 flag.setEnabled(false);
1884
1885         return true;
1886 }
1887
1888
1889 static FileName selectTemplateFile()
1890 {
1891         FileDialog dlg(qt_("Select template file"));
1892         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1893         dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1894
1895         FileDialog::Result result = dlg.open(toqstr(lyxrc.template_path),
1896                                  QStringList(qt_("LyX Documents (*.lyx)")));
1897
1898         if (result.first == FileDialog::Later)
1899                 return FileName();
1900         if (result.second.isEmpty())
1901                 return FileName();
1902         return FileName(fromqstr(result.second));
1903 }
1904
1905
1906 Buffer * GuiView::loadDocument(FileName const & filename, bool tolastfiles)
1907 {
1908         setBusy(true);
1909
1910         Buffer * newBuffer = 0;
1911         try {
1912                 newBuffer = checkAndLoadLyXFile(filename);
1913         } catch (ExceptionMessage const & e) {
1914                 setBusy(false);
1915                 throw(e);
1916         }
1917         setBusy(false);
1918
1919         if (!newBuffer) {
1920                 message(_("Document not loaded."));
1921                 return 0;
1922         }
1923
1924         setBuffer(newBuffer);
1925         newBuffer->errors("Parse");
1926
1927         if (tolastfiles)
1928                 theSession().lastFiles().add(filename);
1929
1930         return newBuffer;
1931 }
1932
1933
1934 void GuiView::openDocument(string const & fname)
1935 {
1936         string initpath = lyxrc.document_path;
1937
1938         if (documentBufferView()) {
1939                 string const trypath = documentBufferView()->buffer().filePath();
1940                 // If directory is writeable, use this as default.
1941                 if (FileName(trypath).isDirWritable())
1942                         initpath = trypath;
1943         }
1944
1945         string filename;
1946
1947         if (fname.empty()) {
1948                 FileDialog dlg(qt_("Select document to open"), LFUN_FILE_OPEN);
1949                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1950                 dlg.setButton2(qt_("Examples|#E#e"),
1951                                 toqstr(addPath(package().system_support().absFileName(), "examples")));
1952
1953                 QStringList filter(qt_("LyX Documents (*.lyx)"));
1954                 filter << qt_("LyX-1.3.x Documents (*.lyx13)")
1955                         << qt_("LyX-1.4.x Documents (*.lyx14)")
1956                         << qt_("LyX-1.5.x Documents (*.lyx15)")
1957                         << qt_("LyX-1.6.x Documents (*.lyx16)");
1958                 FileDialog::Result result =
1959                         dlg.open(toqstr(initpath), filter);
1960
1961                 if (result.first == FileDialog::Later)
1962                         return;
1963
1964                 filename = fromqstr(result.second);
1965
1966                 // check selected filename
1967                 if (filename.empty()) {
1968                         message(_("Canceled."));
1969                         return;
1970                 }
1971         } else
1972                 filename = fname;
1973
1974         // get absolute path of file and add ".lyx" to the filename if
1975         // necessary.
1976         FileName const fullname =
1977                         fileSearch(string(), filename, "lyx", support::may_not_exist);
1978         if (!fullname.empty())
1979                 filename = fullname.absFileName();
1980
1981         if (!fullname.onlyPath().isDirectory()) {
1982                 Alert::warning(_("Invalid filename"),
1983                                 bformat(_("The directory in the given path\n%1$s\ndoes not exist."),
1984                                 from_utf8(fullname.absFileName())));
1985                 return;
1986         }
1987
1988         // if the file doesn't exist and isn't already open (bug 6645),
1989         // let the user create one
1990         if (!fullname.exists() && !theBufferList().exists(fullname) &&
1991             !LyXVC::file_not_found_hook(fullname)) {
1992                 // the user specifically chose this name. Believe him.
1993                 Buffer * const b = newFile(filename, string(), true);
1994                 if (b)
1995                         setBuffer(b);
1996                 return;
1997         }
1998
1999         docstring const disp_fn = makeDisplayPath(filename);
2000         message(bformat(_("Opening document %1$s..."), disp_fn));
2001
2002         docstring str2;
2003         Buffer * buf = loadDocument(fullname);
2004         if (buf) {
2005                 str2 = bformat(_("Document %1$s opened."), disp_fn);
2006                 if (buf->lyxvc().inUse())
2007                         str2 += " " + from_utf8(buf->lyxvc().versionString()) +
2008                                 " " + _("Version control detected.");
2009         } else {
2010                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
2011         }
2012         message(str2);
2013 }
2014
2015 // FIXME: clean that
2016 static bool import(GuiView * lv, FileName const & filename,
2017         string const & format, ErrorList & errorList)
2018 {
2019         FileName const lyxfile(support::changeExtension(filename.absFileName(), ".lyx"));
2020
2021         string loader_format;
2022         vector<string> loaders = theConverters().loaders();
2023         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
2024                 vector<string>::const_iterator it = loaders.begin();
2025                 vector<string>::const_iterator en = loaders.end();
2026                 for (; it != en; ++it) {
2027                         if (!theConverters().isReachable(format, *it))
2028                                 continue;
2029
2030                         string const tofile =
2031                                 support::changeExtension(filename.absFileName(),
2032                                 formats.extension(*it));
2033                         if (!theConverters().convert(0, filename, FileName(tofile),
2034                                 filename, format, *it, errorList))
2035                                 return false;
2036                         loader_format = *it;
2037                         break;
2038                 }
2039                 if (loader_format.empty()) {
2040                         frontend::Alert::error(_("Couldn't import file"),
2041                                          bformat(_("No information for importing the format %1$s."),
2042                                          formats.prettyName(format)));
2043                         return false;
2044                 }
2045         } else
2046                 loader_format = format;
2047
2048         if (loader_format == "lyx") {
2049                 Buffer * buf = lv->loadDocument(lyxfile);
2050                 if (!buf)
2051                         return false;
2052         } else {
2053                 Buffer * const b = newFile(lyxfile.absFileName(), string(), true);
2054                 if (!b)
2055                         return false;
2056                 lv->setBuffer(b);
2057                 bool as_paragraphs = loader_format == "textparagraph";
2058                 string filename2 = (loader_format == format) ? filename.absFileName()
2059                         : support::changeExtension(filename.absFileName(),
2060                                           formats.extension(loader_format));
2061                 lv->currentBufferView()->insertPlaintextFile(FileName(filename2),
2062                         as_paragraphs);
2063                 guiApp->setCurrentView(lv);
2064                 lyx::dispatch(FuncRequest(LFUN_MARK_OFF));
2065         }
2066
2067         return true;
2068 }
2069
2070
2071 void GuiView::importDocument(string const & argument)
2072 {
2073         string format;
2074         string filename = split(argument, format, ' ');
2075
2076         LYXERR(Debug::INFO, format << " file: " << filename);
2077
2078         // need user interaction
2079         if (filename.empty()) {
2080                 string initpath = lyxrc.document_path;
2081                 if (documentBufferView()) {
2082                         string const trypath = documentBufferView()->buffer().filePath();
2083                         // If directory is writeable, use this as default.
2084                         if (FileName(trypath).isDirWritable())
2085                                 initpath = trypath;
2086                 }
2087
2088                 docstring const text = bformat(_("Select %1$s file to import"),
2089                         formats.prettyName(format));
2090
2091                 FileDialog dlg(toqstr(text), LFUN_BUFFER_IMPORT);
2092                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2093                 dlg.setButton2(qt_("Examples|#E#e"),
2094                         toqstr(addPath(package().system_support().absFileName(), "examples")));
2095
2096                 docstring filter = formats.prettyName(format);
2097                 filter += " (*.{";
2098                 // FIXME UNICODE
2099                 filter += from_utf8(formats.extensions(format));
2100                 filter += "})";
2101
2102                 FileDialog::Result result =
2103                         dlg.open(toqstr(initpath), fileFilters(toqstr(filter)));
2104
2105                 if (result.first == FileDialog::Later)
2106                         return;
2107
2108                 filename = fromqstr(result.second);
2109
2110                 // check selected filename
2111                 if (filename.empty())
2112                         message(_("Canceled."));
2113         }
2114
2115         if (filename.empty())
2116                 return;
2117
2118         // get absolute path of file
2119         FileName const fullname(support::makeAbsPath(filename));
2120
2121         FileName const lyxfile(support::changeExtension(fullname.absFileName(), ".lyx"));
2122
2123         // Check if the document already is open
2124         Buffer * buf = theBufferList().getBuffer(lyxfile);
2125         if (buf) {
2126                 setBuffer(buf);
2127                 if (!closeBuffer()) {
2128                         message(_("Canceled."));
2129                         return;
2130                 }
2131         }
2132
2133         docstring const displaypath = makeDisplayPath(lyxfile.absFileName(), 30);
2134
2135         // if the file exists already, and we didn't do
2136         // -i lyx thefile.lyx, warn
2137         if (lyxfile.exists() && fullname != lyxfile) {
2138
2139                 docstring text = bformat(_("The document %1$s already exists.\n\n"
2140                         "Do you want to overwrite that document?"), displaypath);
2141                 int const ret = Alert::prompt(_("Overwrite document?"),
2142                         text, 0, 1, _("&Overwrite"), _("&Cancel"));
2143
2144                 if (ret == 1) {
2145                         message(_("Canceled."));
2146                         return;
2147                 }
2148         }
2149
2150         message(bformat(_("Importing %1$s..."), displaypath));
2151         ErrorList errorList;
2152         if (import(this, fullname, format, errorList))
2153                 message(_("imported."));
2154         else
2155                 message(_("file not imported!"));
2156
2157         // FIXME (Abdel 12/08/06): Is there a need to display the error list here?
2158 }
2159
2160
2161 void GuiView::newDocument(string const & filename, bool from_template)
2162 {
2163         FileName initpath(lyxrc.document_path);
2164         if (documentBufferView()) {
2165                 FileName const trypath(documentBufferView()->buffer().filePath());
2166                 // If directory is writeable, use this as default.
2167                 if (trypath.isDirWritable())
2168                         initpath = trypath;
2169         }
2170
2171         string templatefile;
2172         if (from_template) {
2173                 templatefile = selectTemplateFile().absFileName();
2174                 if (templatefile.empty())
2175                         return;
2176         }
2177
2178         Buffer * b;
2179         if (filename.empty())
2180                 b = newUnnamedFile(initpath, to_utf8(_("newfile")), templatefile);
2181         else
2182                 b = newFile(filename, templatefile, true);
2183
2184         if (b)
2185                 setBuffer(b);
2186
2187         // If no new document could be created, it is unsure
2188         // whether there is a valid BufferView.
2189         if (currentBufferView())
2190                 // Ensure the cursor is correctly positioned on screen.
2191                 currentBufferView()->showCursor();
2192 }
2193
2194
2195 void GuiView::insertLyXFile(docstring const & fname)
2196 {
2197         BufferView * bv = documentBufferView();
2198         if (!bv)
2199                 return;
2200
2201         // FIXME UNICODE
2202         FileName filename(to_utf8(fname));
2203         if (filename.empty()) {
2204                 // Launch a file browser
2205                 // FIXME UNICODE
2206                 string initpath = lyxrc.document_path;
2207                 string const trypath = bv->buffer().filePath();
2208                 // If directory is writeable, use this as default.
2209                 if (FileName(trypath).isDirWritable())
2210                         initpath = trypath;
2211
2212                 // FIXME UNICODE
2213                 FileDialog dlg(qt_("Select LyX document to insert"), LFUN_FILE_INSERT);
2214                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2215                 dlg.setButton2(qt_("Examples|#E#e"),
2216                         toqstr(addPath(package().system_support().absFileName(),
2217                         "examples")));
2218
2219                 FileDialog::Result result = dlg.open(toqstr(initpath),
2220                                          QStringList(qt_("LyX Documents (*.lyx)")));
2221
2222                 if (result.first == FileDialog::Later)
2223                         return;
2224
2225                 // FIXME UNICODE
2226                 filename.set(fromqstr(result.second));
2227
2228                 // check selected filename
2229                 if (filename.empty()) {
2230                         // emit message signal.
2231                         message(_("Canceled."));
2232                         return;
2233                 }
2234         }
2235
2236         bv->insertLyXFile(filename);
2237         bv->buffer().errors("Parse");
2238 }
2239
2240
2241 bool GuiView::renameBuffer(Buffer & b, docstring const & newname, RenameKind kind)
2242 {
2243         FileName fname = b.fileName();
2244         FileName const oldname = fname;
2245
2246         if (!newname.empty()) {
2247                 // FIXME UNICODE
2248                 fname = support::makeAbsPath(to_utf8(newname), oldname.onlyPath().absFileName());
2249         } else {
2250                 // Switch to this Buffer.
2251                 setBuffer(&b);
2252
2253                 // No argument? Ask user through dialog.
2254                 // FIXME UNICODE
2255                 FileDialog dlg(qt_("Choose a filename to save document as"),
2256                                    LFUN_BUFFER_WRITE_AS);
2257                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2258                 dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
2259
2260                 if (!isLyXFileName(fname.absFileName()))
2261                         fname.changeExtension(".lyx");
2262
2263                 FileDialog::Result result =
2264                         dlg.save(toqstr(fname.onlyPath().absFileName()),
2265                                    QStringList(qt_("LyX Documents (*.lyx)")),
2266                                          toqstr(fname.onlyFileName()));
2267
2268                 if (result.first == FileDialog::Later)
2269                         return false;
2270
2271                 fname.set(fromqstr(result.second));
2272
2273                 if (fname.empty())
2274                         return false;
2275
2276                 if (!isLyXFileName(fname.absFileName()))
2277                         fname.changeExtension(".lyx");
2278         }
2279
2280         // fname is now the new Buffer location.
2281
2282         // if there is already a Buffer open with this name, we do not want
2283         // to have another one. (the second test makes sure we're not just
2284         // trying to overwrite ourselves, which is fine.)
2285         if (theBufferList().exists(fname) && fname != oldname
2286                   && theBufferList().getBuffer(fname) != &b) {
2287                 docstring const text =
2288                         bformat(_("The file\n%1$s\nis already open in your current session.\n"
2289                             "Please close it before attempting to overwrite it.\n"
2290                             "Do you want to choose a new filename?"),
2291                                 from_utf8(fname.absFileName()));
2292                 int const ret = Alert::prompt(_("Chosen File Already Open"),
2293                         text, 0, 1, _("&Rename"), _("&Cancel"));
2294                 switch (ret) {
2295                 case 0: return renameBuffer(b, docstring(), kind);
2296                 case 1: return false;
2297                 }
2298                 //return false;
2299         }
2300
2301         bool const existsLocal = fname.exists();
2302         bool const existsInVC = LyXVC::fileInVC(fname);
2303         if (existsLocal || existsInVC) {
2304                 docstring const file = makeDisplayPath(fname.absFileName(), 30);
2305                 if (kind != LV_WRITE_AS && existsInVC) {
2306                         // renaming to a name that is already in VC
2307                         // would not work
2308                         docstring text = bformat(_("The document %1$s "
2309                                         "is already registered.\n\n"
2310                                         "Do you want to choose a new name?"),
2311                                 file);
2312                         docstring const title = (kind == LV_VC_RENAME) ?
2313                                 _("Rename document?") : _("Copy document?");
2314                         docstring const button = (kind == LV_VC_RENAME) ?
2315                                 _("&Rename") : _("&Copy");
2316                         int const ret = Alert::prompt(title, text, 0, 1,
2317                                 button, _("&Cancel"));
2318                         switch (ret) {
2319                         case 0: return renameBuffer(b, docstring(), kind);
2320                         case 1: return false;
2321                         }
2322                 }
2323
2324                 if (existsLocal) {
2325                         docstring text = bformat(_("The document %1$s "
2326                                         "already exists.\n\n"
2327                                         "Do you want to overwrite that document?"),
2328                                 file);
2329                         int const ret = Alert::prompt(_("Overwrite document?"),
2330                                         text, 0, 2, _("&Overwrite"),
2331                                         _("&Rename"), _("&Cancel"));
2332                         switch (ret) {
2333                         case 0: break;
2334                         case 1: return renameBuffer(b, docstring(), kind);
2335                         case 2: return false;
2336                         }
2337                 }
2338         }
2339
2340         switch (kind) {
2341         case LV_VC_RENAME: {
2342                 string msg = b.lyxvc().rename(fname);
2343                 if (msg.empty())
2344                         return false;
2345                 message(from_utf8(msg));
2346                 break;
2347         }
2348         case LV_VC_COPY: {
2349                 string msg = b.lyxvc().copy(fname);
2350                 if (msg.empty())
2351                         return false;
2352                 message(from_utf8(msg));
2353                 break;
2354         }
2355         case LV_WRITE_AS:
2356                 break;
2357         }
2358         // LyXVC created the file already in case of LV_VC_RENAME or
2359         // LV_VC_COPY, but call saveBuffer() nevertheless to get
2360         // relative paths of included stuff right if we moved e.g. from
2361         // /a/b.lyx to /a/c/b.lyx.
2362
2363         bool const saved = saveBuffer(b, fname);
2364         if (saved)
2365                 b.reload(false);
2366         return saved;
2367 }
2368
2369
2370 struct PrettyNameComparator
2371 {
2372         bool operator()(Format const *first, Format const *second) const {
2373                 return compare_ascii_no_case(first->prettyname(), second->prettyname()) <= 0;
2374         }
2375 };
2376
2377
2378 bool GuiView::exportBufferAs(Buffer & b)
2379 {
2380         FileName fname = b.fileName();
2381
2382         FileDialog dlg(qt_("Choose a filename to export the document as"));
2383         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2384
2385         QStringList types;
2386         types << "Any supported format (*.*)";
2387         Formats::const_iterator it = formats.begin();
2388         vector<Format const *> export_formats;
2389         for (; it != formats.end(); ++it)
2390                 if (it->documentFormat() && it->inExportMenu())
2391                         export_formats.push_back(&(*it));
2392         PrettyNameComparator cmp;
2393         sort(export_formats.begin(), export_formats.end(), cmp);
2394         vector<Format const *>::const_iterator fit = export_formats.begin();
2395         for (; fit != export_formats.end(); ++fit)
2396                 types << toqstr((*fit)->prettyname() + " (*." + (*fit)->extension() + ")");
2397         QString filter;
2398         FileDialog::Result result =
2399                 dlg.save(toqstr(fname.onlyPath().absFileName()),
2400                          types,
2401                          toqstr(fname.onlyFileName()),
2402                          &filter);
2403         if (result.first != FileDialog::Chosen)
2404                 return false;
2405
2406         string s = fromqstr(filter);
2407         size_t pos = s.find(" (*.");
2408         LATTEST(pos != string::npos);
2409         string fmt_prettyname = s.substr(0, pos);
2410         string fmt_name;
2411         fname.set(fromqstr(result.second));
2412         if (fmt_prettyname == "Any supported format")
2413                 fmt_name = formats.getFormatFromExtension(fname.extension());
2414         else
2415                 fmt_name = formats.getFormatFromPrettyName(fmt_prettyname);
2416         LYXERR(Debug::FILES, "fmt_prettyname=" << fmt_prettyname
2417                << ", fmt_name=" << fmt_name << ", fname=" << fname.absFileName());
2418
2419         if (fmt_name.empty() || fname.empty())
2420                 return false;
2421
2422         // fname is now the new Buffer location.
2423         if (FileName(fname).exists()) {
2424                 docstring const file = makeDisplayPath(fname.absFileName(), 30);
2425                 docstring text = bformat(_("The document %1$s already "
2426                                            "exists.\n\nDo you want to "
2427                                            "overwrite that document?"),
2428                                          file);
2429                 int const ret = Alert::prompt(_("Overwrite document?"),
2430                         text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
2431                 switch (ret) {
2432                 case 0: break;
2433                 case 1: return exportBufferAs(b);
2434                 case 2: return false;
2435                 }
2436         }
2437
2438         FuncRequest cmd(LFUN_BUFFER_EXPORT, fmt_name + " " + fname.absFileName());
2439         DispatchResult dr;
2440         dispatch(cmd, dr);
2441         return dr.dispatched();
2442 }
2443
2444
2445 bool GuiView::saveBuffer(Buffer & b)
2446 {
2447         return saveBuffer(b, FileName());
2448 }
2449
2450
2451 bool GuiView::saveBuffer(Buffer & b, FileName const & fn)
2452 {
2453         if (workArea(b) && workArea(b)->inDialogMode())
2454                 return true;
2455
2456         if (fn.empty() && b.isUnnamed())
2457                 return renameBuffer(b, docstring());
2458
2459         bool const success = (fn.empty() ? b.save() : b.saveAs(fn));
2460         if (success) {
2461                 theSession().lastFiles().add(b.fileName());
2462                 return true;
2463         }
2464
2465         // Switch to this Buffer.
2466         setBuffer(&b);
2467
2468         // FIXME: we don't tell the user *WHY* the save failed !!
2469         docstring const file = makeDisplayPath(b.absFileName(), 30);
2470         docstring text = bformat(_("The document %1$s could not be saved.\n\n"
2471                                    "Do you want to rename the document and "
2472                                    "try again?"), file);
2473         int const ret = Alert::prompt(_("Rename and save?"),
2474                 text, 0, 2, _("&Rename"), _("&Retry"), _("&Cancel"));
2475         switch (ret) {
2476         case 0:
2477                 if (!renameBuffer(b, docstring()))
2478                         return false;
2479                 break;
2480         case 1:
2481                 break;
2482         case 2:
2483                 return false;
2484         }
2485
2486         return saveBuffer(b, fn);
2487 }
2488
2489
2490 bool GuiView::hideWorkArea(GuiWorkArea * wa)
2491 {
2492         return closeWorkArea(wa, false);
2493 }
2494
2495
2496 // We only want to close the buffer if it is not visible in other workareas
2497 // of the same view, nor in other views, and if this is not a child
2498 bool GuiView::closeWorkArea(GuiWorkArea * wa)
2499 {
2500         Buffer & buf = wa->bufferView().buffer();
2501
2502         bool last_wa = d.countWorkAreasOf(buf) == 1
2503                 && !inOtherView(buf) && !buf.parent();
2504
2505         bool close_buffer = last_wa;
2506
2507         if (last_wa) {
2508                 if (lyxrc.close_buffer_with_last_view == "yes")
2509                         ; // Nothing to do
2510                 else if (lyxrc.close_buffer_with_last_view == "no")
2511                         close_buffer = false;
2512                 else {
2513                         docstring file;
2514                         if (buf.isUnnamed())
2515                                 file = from_utf8(buf.fileName().onlyFileName());
2516                         else
2517                                 file = buf.fileName().displayName(30);
2518                         docstring const text = bformat(
2519                                 _("Last view on document %1$s is being closed.\n"
2520                                   "Would you like to close or hide the document?\n"
2521                                   "\n"
2522                                   "Hidden documents can be displayed back through\n"
2523                                   "the menu: View->Hidden->...\n"
2524                                   "\n"
2525                                   "To remove this question, set your preference in:\n"
2526                                   "  Tools->Preferences->Look&Feel->UserInterface\n"
2527                                 ), file);
2528                         int ret = Alert::prompt(_("Close or hide document?"),
2529                                 text, 0, 1, _("&Close"), _("&Hide"));
2530                         close_buffer = (ret == 0);
2531                 }
2532         }
2533
2534         return closeWorkArea(wa, close_buffer);
2535 }
2536
2537
2538 bool GuiView::closeBuffer()
2539 {
2540         GuiWorkArea * wa = currentMainWorkArea();
2541         setCurrentWorkArea(wa);
2542         Buffer & buf = wa->bufferView().buffer();
2543         return wa && closeWorkArea(wa, !buf.parent());
2544 }
2545
2546
2547 void GuiView::writeSession() const {
2548         GuiWorkArea const * active_wa = currentMainWorkArea();
2549         for (int i = 0; i < d.splitter_->count(); ++i) {
2550                 TabWorkArea * twa = d.tabWorkArea(i);
2551                 for (int j = 0; j < twa->count(); ++j) {
2552                         GuiWorkArea * wa = static_cast<GuiWorkArea *>(twa->widget(j));
2553                         Buffer & buf = wa->bufferView().buffer();
2554                         theSession().lastOpened().add(buf.fileName(), wa == active_wa);
2555                 }
2556         }
2557 }
2558
2559
2560 bool GuiView::closeBufferAll()
2561 {
2562         // Close the workareas in all other views
2563         QList<int> const ids = guiApp->viewIds();
2564         for (int i = 0; i != ids.size(); ++i) {
2565                 if (id_ != ids[i] && !guiApp->view(ids[i]).closeWorkAreaAll())
2566                         return false;
2567         }
2568
2569         // Close our own workareas
2570         if (!closeWorkAreaAll())
2571                 return false;
2572
2573         // Now close the hidden buffers. We prevent hidden buffers from being
2574         // dirty, so we can just close them.
2575         theBufferList().closeAll();
2576         return true;
2577 }
2578
2579
2580 bool GuiView::closeWorkAreaAll()
2581 {
2582         setCurrentWorkArea(currentMainWorkArea());
2583
2584         // We might be in a situation that there is still a tabWorkArea, but
2585         // there are no tabs anymore. This can happen when we get here after a
2586         // TabWorkArea::lastWorkAreaRemoved() signal. Therefore we count how
2587         // many TabWorkArea's have no documents anymore.
2588         int empty_twa = 0;
2589
2590         // We have to call count() each time, because it can happen that
2591         // more than one splitter will disappear in one iteration (bug 5998).
2592         for (; d.splitter_->count() > empty_twa; ) {
2593                 TabWorkArea * twa = d.tabWorkArea(empty_twa);
2594
2595                 if (twa->count() == 0)
2596                         ++empty_twa;
2597                 else {
2598                         setCurrentWorkArea(twa->currentWorkArea());
2599                         if (!closeTabWorkArea(twa))
2600                                 return false;
2601                 }
2602         }
2603         return true;
2604 }
2605
2606
2607 bool GuiView::closeWorkArea(GuiWorkArea * wa, bool close_buffer)
2608 {
2609         if (!wa)
2610                 return false;
2611
2612         Buffer & buf = wa->bufferView().buffer();
2613
2614         if (close_buffer && GuiViewPrivate::busyBuffers.contains(&buf)) {
2615                 Alert::warning(_("Close document"),
2616                         _("Document could not be closed because it is being processed by LyX."));
2617                 return false;
2618         }
2619
2620         if (close_buffer)
2621                 return closeBuffer(buf);
2622         else {
2623                 if (!inMultiTabs(wa))
2624                         if (!saveBufferIfNeeded(buf, true))
2625                                 return false;
2626                 removeWorkArea(wa);
2627                 return true;
2628         }
2629 }
2630
2631
2632 bool GuiView::closeBuffer(Buffer & buf)
2633 {
2634         // If we are in a close_event all children will be closed in some time,
2635         // so no need to do it here. This will ensure that the children end up
2636         // in the session file in the correct order. If we close the master
2637         // buffer, we can close or release the child buffers here too.
2638         bool success = true;
2639         if (!closing_) {
2640                 ListOfBuffers clist = buf.getChildren();
2641                 ListOfBuffers::const_iterator it = clist.begin();
2642                 ListOfBuffers::const_iterator const bend = clist.end();
2643                 for (; it != bend; ++it) {
2644                         // If a child is dirty, do not close
2645                         // without user intervention
2646                         //FIXME: should we look in other tabworkareas?
2647                         Buffer * child_buf = *it;
2648                         GuiWorkArea * child_wa = workArea(*child_buf);
2649                         if (child_wa) {
2650                                 if (!closeWorkArea(child_wa, true)) {
2651                                         success = false;
2652                                         break;
2653                                 }
2654                         } else
2655                                 theBufferList().releaseChild(&buf, child_buf);
2656                 }
2657         }
2658         if (success) {
2659                 // goto bookmark to update bookmark pit.
2660                 //FIXME: we should update only the bookmarks related to this buffer!
2661                 LYXERR(Debug::DEBUG, "GuiView::closeBuffer()");
2662                 for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
2663                         guiApp->gotoBookmark(i+1, false, false);
2664
2665                 if (saveBufferIfNeeded(buf, false)) {
2666                         buf.removeAutosaveFile();
2667                         theBufferList().release(&buf);
2668                         return true;
2669                 }
2670         }
2671         // open all children again to avoid a crash because of dangling
2672         // pointers (bug 6603)
2673         buf.updateBuffer();
2674         return false;
2675 }
2676
2677
2678 bool GuiView::closeTabWorkArea(TabWorkArea * twa)
2679 {
2680         while (twa == d.currentTabWorkArea()) {
2681                 twa->setCurrentIndex(twa->count()-1);
2682
2683                 GuiWorkArea * wa = twa->currentWorkArea();
2684                 Buffer & b = wa->bufferView().buffer();
2685
2686                 // We only want to close the buffer if the same buffer is not visible
2687                 // in another view, and if this is not a child and if we are closing
2688                 // a view (not a tabgroup).
2689                 bool const close_buffer =
2690                         !inOtherView(b) && !b.parent() && closing_;
2691
2692                 if (!closeWorkArea(wa, close_buffer))
2693                         return false;
2694         }
2695         return true;
2696 }
2697
2698
2699 bool GuiView::saveBufferIfNeeded(Buffer & buf, bool hiding)
2700 {
2701         if (buf.isClean() || buf.paragraphs().empty())
2702                 return true;
2703
2704         // Switch to this Buffer.
2705         setBuffer(&buf);
2706
2707         docstring file;
2708         // FIXME: Unicode?
2709         if (buf.isUnnamed())
2710                 file = from_utf8(buf.fileName().onlyFileName());
2711         else
2712                 file = buf.fileName().displayName(30);
2713
2714         // Bring this window to top before asking questions.
2715         raise();
2716         activateWindow();
2717
2718         int ret;
2719         if (hiding && buf.isUnnamed()) {
2720                 docstring const text = bformat(_("The document %1$s has not been "
2721                                                  "saved yet.\n\nDo you want to save "
2722                                                  "the document?"), file);
2723                 ret = Alert::prompt(_("Save new document?"),
2724                         text, 0, 1, _("&Save"), _("&Cancel"));
2725                 if (ret == 1)
2726                         ++ret;
2727         } else {
2728                 docstring const text = bformat(_("The document %1$s has unsaved changes."
2729                         "\n\nDo you want to save the document or discard the changes?"), file);
2730                 ret = Alert::prompt(_("Save changed document?"),
2731                         text, 0, 2, _("&Save"), _("&Discard"), _("&Cancel"));
2732         }
2733
2734         switch (ret) {
2735         case 0:
2736                 if (!saveBuffer(buf))
2737                         return false;
2738                 break;
2739         case 1:
2740                 // If we crash after this we could have no autosave file
2741                 // but I guess this is really improbable (Jug).
2742                 // Sometimes improbable things happen:
2743                 // - see bug http://www.lyx.org/trac/ticket/6587 (ps)
2744                 // buf.removeAutosaveFile();
2745                 if (hiding)
2746                         // revert all changes
2747                         reloadBuffer(buf);
2748                 buf.markClean();
2749                 break;
2750         case 2:
2751                 return false;
2752         }
2753         return true;
2754 }
2755
2756
2757 bool GuiView::inMultiTabs(GuiWorkArea * wa)
2758 {
2759         Buffer & buf = wa->bufferView().buffer();
2760
2761         for (int i = 0; i != d.splitter_->count(); ++i) {
2762                 GuiWorkArea * wa_ = d.tabWorkArea(i)->workArea(buf);
2763                 if (wa_ && wa_ != wa)
2764                         return true;
2765         }
2766         return inOtherView(buf);
2767 }
2768
2769
2770 bool GuiView::inOtherView(Buffer & buf)
2771 {
2772         QList<int> const ids = guiApp->viewIds();
2773
2774         for (int i = 0; i != ids.size(); ++i) {
2775                 if (id_ == ids[i])
2776                         continue;
2777
2778                 if (guiApp->view(ids[i]).workArea(buf))
2779                         return true;
2780         }
2781         return false;
2782 }
2783
2784
2785 void GuiView::gotoNextOrPreviousBuffer(NextOrPrevious np)
2786 {
2787         if (!documentBufferView())
2788                 return;
2789
2790         if (TabWorkArea * twa = d.currentTabWorkArea()) {
2791                 Buffer * const curbuf = &documentBufferView()->buffer();
2792                 int nwa = twa->count();
2793                 for (int i = 0; i < nwa; ++i) {
2794                         if (&workArea(i)->bufferView().buffer() == curbuf) {
2795                                 int next_index;
2796                                 if (np == NEXTBUFFER)
2797                                         next_index = (i == nwa - 1 ? 0 : i + 1);
2798                                 else
2799                                         next_index = (i == 0 ? nwa - 1 : i - 1);
2800                                 setBuffer(&workArea(next_index)->bufferView().buffer());
2801                                 break;
2802                         }
2803                 }
2804         }
2805 }
2806
2807
2808 /// make sure the document is saved
2809 static bool ensureBufferClean(Buffer * buffer)
2810 {
2811         LASSERT(buffer, return false);
2812         if (buffer->isClean() && !buffer->isUnnamed())
2813                 return true;
2814
2815         docstring const file = buffer->fileName().displayName(30);
2816         docstring title;
2817         docstring text;
2818         if (!buffer->isUnnamed()) {
2819                 text = bformat(_("The document %1$s has unsaved "
2820                                                  "changes.\n\nDo you want to save "
2821                                                  "the document?"), file);
2822                 title = _("Save changed document?");
2823
2824         } else {
2825                 text = bformat(_("The document %1$s has not been "
2826                                                  "saved yet.\n\nDo you want to save "
2827                                                  "the document?"), file);
2828                 title = _("Save new document?");
2829         }
2830         int const ret = Alert::prompt(title, text, 0, 1, _("&Save"), _("&Cancel"));
2831
2832         if (ret == 0)
2833                 dispatch(FuncRequest(LFUN_BUFFER_WRITE));
2834
2835         return buffer->isClean() && !buffer->isUnnamed();
2836 }
2837
2838
2839 bool GuiView::reloadBuffer(Buffer & buf)
2840 {
2841         Buffer::ReadStatus status = buf.reload();
2842         return status == Buffer::ReadSuccess;
2843 }
2844
2845
2846 void GuiView::checkExternallyModifiedBuffers()
2847 {
2848         BufferList::iterator bit = theBufferList().begin();
2849         BufferList::iterator const bend = theBufferList().end();
2850         for (; bit != bend; ++bit) {
2851                 Buffer * buf = *bit;
2852                 if (buf->fileName().exists()
2853                         && buf->isExternallyModified(Buffer::checksum_method)) {
2854                         docstring text = bformat(_("Document \n%1$s\n has been externally modified."
2855                                         " Reload now? Any local changes will be lost."),
2856                                         from_utf8(buf->absFileName()));
2857                         int const ret = Alert::prompt(_("Reload externally changed document?"),
2858                                                 text, 0, 1, _("&Reload"), _("&Cancel"));
2859                         if (!ret)
2860                                 reloadBuffer(*buf);
2861                 }
2862         }
2863 }
2864
2865
2866 void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
2867 {
2868         Buffer * buffer = documentBufferView()
2869                 ? &(documentBufferView()->buffer()) : 0;
2870
2871         switch (cmd.action()) {
2872         case LFUN_VC_REGISTER:
2873                 if (!buffer || !ensureBufferClean(buffer))
2874                         break;
2875                 if (!buffer->lyxvc().inUse()) {
2876                         if (buffer->lyxvc().registrer()) {
2877                                 reloadBuffer(*buffer);
2878                                 dr.suppressMessageUpdate();
2879                         }
2880                 }
2881                 break;
2882
2883         case LFUN_VC_RENAME:
2884         case LFUN_VC_COPY: {
2885                 if (!buffer || !ensureBufferClean(buffer))
2886                         break;
2887                 if (buffer->lyxvc().inUse() && !buffer->isReadonly()) {
2888                         if (buffer->lyxvc().isCheckInWithConfirmation()) {
2889                                 // Some changes are not yet committed.
2890                                 // We test here and not in getStatus(), since
2891                                 // this test is expensive.
2892                                 string log;
2893                                 LyXVC::CommandResult ret =
2894                                         buffer->lyxvc().checkIn(log);
2895                                 dr.setMessage(log);
2896                                 if (ret == LyXVC::ErrorCommand ||
2897                                     ret == LyXVC::VCSuccess)
2898                                         reloadBuffer(*buffer);
2899                                 if (buffer->lyxvc().isCheckInWithConfirmation()) {
2900                                         frontend::Alert::error(
2901                                                 _("Revision control error."),
2902                                                 _("Document could not be checked in."));
2903                                         break;
2904                                 }
2905                         }
2906                         RenameKind const kind = (cmd.action() == LFUN_VC_RENAME) ?
2907                                 LV_VC_RENAME : LV_VC_COPY;
2908                         renameBuffer(*buffer, cmd.argument(), kind);
2909                 }
2910                 break;
2911         }
2912
2913         case LFUN_VC_CHECK_IN:
2914                 if (!buffer || !ensureBufferClean(buffer))
2915                         break;
2916                 if (buffer->lyxvc().inUse() && !buffer->isReadonly()) {
2917                         string log;
2918                         LyXVC::CommandResult ret = buffer->lyxvc().checkIn(log);
2919                         dr.setMessage(log);
2920                         // Only skip reloading if the checkin was cancelled or
2921                         // an error occured before the real checkin VCS command
2922                         // was executed, since the VCS might have changed the
2923                         // file even if it could not checkin successfully.
2924                         if (ret == LyXVC::ErrorCommand || ret == LyXVC::VCSuccess)
2925                                 reloadBuffer(*buffer);
2926                 }
2927                 break;
2928
2929         case LFUN_VC_CHECK_OUT:
2930                 if (!buffer || !ensureBufferClean(buffer))
2931                         break;
2932                 if (buffer->lyxvc().inUse()) {
2933                         dr.setMessage(buffer->lyxvc().checkOut());
2934                         reloadBuffer(*buffer);
2935                 }
2936                 break;
2937
2938         case LFUN_VC_LOCKING_TOGGLE:
2939                 LASSERT(buffer, return);
2940                 if (!ensureBufferClean(buffer) || buffer->isReadonly())
2941                         break;
2942                 if (buffer->lyxvc().inUse()) {
2943                         string res = buffer->lyxvc().lockingToggle();
2944                         if (res.empty()) {
2945                                 frontend::Alert::error(_("Revision control error."),
2946                                 _("Error when setting the locking property."));
2947                         } else {
2948                                 dr.setMessage(res);
2949                                 reloadBuffer(*buffer);
2950                         }
2951                 }
2952                 break;
2953
2954         case LFUN_VC_REVERT:
2955                 LASSERT(buffer, return);
2956                 if (buffer->lyxvc().revert()) {
2957                         reloadBuffer(*buffer);
2958                         dr.suppressMessageUpdate();
2959                 }
2960                 break;
2961
2962         case LFUN_VC_UNDO_LAST:
2963                 LASSERT(buffer, return);
2964                 buffer->lyxvc().undoLast();
2965                 reloadBuffer(*buffer);
2966                 dr.suppressMessageUpdate();
2967                 break;
2968
2969         case LFUN_VC_REPO_UPDATE:
2970                 LASSERT(buffer, return);
2971                 if (ensureBufferClean(buffer)) {
2972                         dr.setMessage(buffer->lyxvc().repoUpdate());
2973                         checkExternallyModifiedBuffers();
2974                 }
2975                 break;
2976
2977         case LFUN_VC_COMMAND: {
2978                 string flag = cmd.getArg(0);
2979                 if (buffer && contains(flag, 'R') && !ensureBufferClean(buffer))
2980                         break;
2981                 docstring message;
2982                 if (contains(flag, 'M')) {
2983                         if (!Alert::askForText(message, _("LyX VC: Log Message")))
2984                                 break;
2985                 }
2986                 string path = cmd.getArg(1);
2987                 if (contains(path, "$$p") && buffer)
2988                         path = subst(path, "$$p", buffer->filePath());
2989                 LYXERR(Debug::LYXVC, "Directory: " << path);
2990                 FileName pp(path);
2991                 if (!pp.isReadableDirectory()) {
2992                         lyxerr << _("Directory is not accessible.") << endl;
2993                         break;
2994                 }
2995                 support::PathChanger p(pp);
2996
2997                 string command = cmd.getArg(2);
2998                 if (command.empty())
2999                         break;
3000                 if (buffer) {
3001                         command = subst(command, "$$i", buffer->absFileName());
3002                         command = subst(command, "$$p", buffer->filePath());
3003                 }
3004                 command = subst(command, "$$m", to_utf8(message));
3005                 LYXERR(Debug::LYXVC, "Command: " << command);
3006                 Systemcall one;
3007                 one.startscript(Systemcall::Wait, command);
3008
3009                 if (!buffer)
3010                         break;
3011                 if (contains(flag, 'I'))
3012                         buffer->markDirty();
3013                 if (contains(flag, 'R'))
3014                         reloadBuffer(*buffer);
3015
3016                 break;
3017                 }
3018
3019         case LFUN_VC_COMPARE: {
3020
3021                 if (cmd.argument().empty()) {
3022                         lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "comparehistory"));
3023                         break;
3024                 }
3025
3026                 string rev1 = cmd.getArg(0);
3027                 string f1, f2;
3028
3029                 // f1
3030                 if (!buffer->lyxvc().prepareFileRevision(rev1, f1))
3031                         break;
3032
3033                 if (isStrInt(rev1) && convert<int>(rev1) <= 0) {
3034                         f2 = buffer->absFileName();
3035                 } else {
3036                         string rev2 = cmd.getArg(1);
3037                         if (rev2.empty())
3038                                 break;
3039                         // f2
3040                         if (!buffer->lyxvc().prepareFileRevision(rev2, f2))
3041                                 break;
3042                 }
3043
3044                 LYXERR(Debug::LYXVC, "Launching comparison for fetched revisions:\n" <<
3045                                         f1 << "\n"  << f2 << "\n" );
3046                 string par = "compare run " + quoteName(f1) + " " + quoteName(f2);
3047                 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, par));
3048                 break;
3049         }
3050
3051         default:
3052                 break;
3053         }
3054 }
3055
3056
3057 void GuiView::openChildDocument(string const & fname)
3058 {
3059         LASSERT(documentBufferView(), return);
3060         Buffer & buffer = documentBufferView()->buffer();
3061         FileName const filename = support::makeAbsPath(fname, buffer.filePath());
3062         documentBufferView()->saveBookmark(false);
3063         Buffer * child = 0;
3064         if (theBufferList().exists(filename)) {
3065                 child = theBufferList().getBuffer(filename);
3066                 setBuffer(child);
3067         } else {
3068                 message(bformat(_("Opening child document %1$s..."),
3069                         makeDisplayPath(filename.absFileName())));
3070                 child = loadDocument(filename, false);
3071         }
3072         // Set the parent name of the child document.
3073         // This makes insertion of citations and references in the child work,
3074         // when the target is in the parent or another child document.
3075         if (child)
3076                 child->setParent(&buffer);
3077 }
3078
3079
3080 bool GuiView::goToFileRow(string const & argument)
3081 {
3082         string file_name;
3083         int row;
3084         size_t i = argument.find_last_of(' ');
3085         if (i != string::npos) {
3086                 file_name = os::internal_path(trim(argument.substr(0, i)));
3087                 istringstream is(argument.substr(i + 1));
3088                 is >> row;
3089                 if (is.fail())
3090                         i = string::npos;
3091         }
3092         if (i == string::npos) {
3093                 LYXERR0("Wrong argument: " << argument);
3094                 return false;
3095         }
3096         Buffer * buf = 0;
3097         string const abstmp = package().temp_dir().absFileName();
3098         string const realtmp = package().temp_dir().realPath();
3099         // We have to use os::path_prefix_is() here, instead of
3100         // simply prefixIs(), because the file name comes from
3101         // an external application and may need case adjustment.
3102         if (os::path_prefix_is(file_name, abstmp, os::CASE_ADJUSTED)
3103                 || os::path_prefix_is(file_name, realtmp, os::CASE_ADJUSTED)) {
3104                 // Needed by inverse dvi search. If it is a file
3105                 // in tmpdir, call the apropriated function.
3106                 // If tmpdir is a symlink, we may have the real
3107                 // path passed back, so we correct for that.
3108                 if (!prefixIs(file_name, abstmp))
3109                         file_name = subst(file_name, realtmp, abstmp);
3110                 buf = theBufferList().getBufferFromTmp(file_name);
3111         } else {
3112                 // Must replace extension of the file to be .lyx
3113                 // and get full path
3114                 FileName const s = fileSearch(string(),
3115                                                   support::changeExtension(file_name, ".lyx"), "lyx");
3116                 // Either change buffer or load the file
3117                 if (theBufferList().exists(s))
3118                         buf = theBufferList().getBuffer(s);
3119                 else if (s.exists()) {
3120                         buf = loadDocument(s);
3121                         if (!buf)
3122                                 return false;
3123                 } else {
3124                         message(bformat(
3125                                         _("File does not exist: %1$s"),
3126                                         makeDisplayPath(file_name)));
3127                         return false;
3128                 }
3129         }
3130         if (!buf) {
3131                 message(bformat(
3132                         _("No buffer for file: %1$s."),
3133                         makeDisplayPath(file_name))
3134                 );
3135                 return false;
3136         }
3137         setBuffer(buf);
3138         documentBufferView()->setCursorFromRow(row);
3139         return true;
3140 }
3141
3142
3143 template<class T>
3144 Buffer::ExportStatus GuiView::GuiViewPrivate::runAndDestroy(const T& func, Buffer const * orig, Buffer * clone, string const & format)
3145 {
3146         Buffer::ExportStatus const status = func(format);
3147
3148         // the cloning operation will have produced a clone of the entire set of
3149         // documents, starting from the master. so we must delete those.
3150         Buffer * mbuf = const_cast<Buffer *>(clone->masterBuffer());
3151         delete mbuf;
3152         busyBuffers.remove(orig);
3153         return status;
3154 }
3155
3156
3157 Buffer::ExportStatus GuiView::GuiViewPrivate::compileAndDestroy(Buffer const * orig, Buffer * clone, string const & format)
3158 {
3159         Buffer::ExportStatus (Buffer::* mem_func)(std::string const &, bool) const = &Buffer::doExport;
3160         return runAndDestroy(lyx::bind(mem_func, clone, _1, true), orig, clone, format);
3161 }
3162
3163
3164 Buffer::ExportStatus GuiView::GuiViewPrivate::exportAndDestroy(Buffer const * orig, Buffer * clone, string const & format)
3165 {
3166         Buffer::ExportStatus (Buffer::* mem_func)(std::string const &, bool) const = &Buffer::doExport;
3167         return runAndDestroy(lyx::bind(mem_func, clone, _1, false), orig, clone, format);
3168 }
3169
3170
3171 Buffer::ExportStatus GuiView::GuiViewPrivate::previewAndDestroy(Buffer const * orig, Buffer * clone, string const & format)
3172 {
3173         Buffer::ExportStatus (Buffer::* mem_func)(std::string const &) const = &Buffer::preview;
3174         return runAndDestroy(lyx::bind(mem_func, clone, _1), orig, clone, format);
3175 }
3176
3177
3178 bool GuiView::GuiViewPrivate::asyncBufferProcessing(
3179                            string const & argument,
3180                            Buffer const * used_buffer,
3181                            docstring const & msg,
3182                            Buffer::ExportStatus (*asyncFunc)(Buffer const *, Buffer *, string const &),
3183                            Buffer::ExportStatus (Buffer::*syncFunc)(string const &, bool) const,
3184                            Buffer::ExportStatus (Buffer::*previewFunc)(string const &) const)
3185 {
3186         if (!used_buffer)
3187                 return false;
3188
3189         string format = argument;
3190         if (format.empty())
3191                 format = used_buffer->params().getDefaultOutputFormat();
3192         processing_format = format;
3193 #if EXPORT_in_THREAD
3194         if (!msg.empty()) {
3195                 progress_->clearMessages();
3196                 gv_->message(msg);
3197         }
3198         GuiViewPrivate::busyBuffers.insert(used_buffer);
3199         Buffer * cloned_buffer = used_buffer->cloneFromMaster();
3200         if (!cloned_buffer) {
3201                 Alert::error(_("Export Error"),
3202                              _("Error cloning the Buffer."));
3203                 return false;
3204         }
3205         QFuture<Buffer::ExportStatus> f = QtConcurrent::run(
3206                                 asyncFunc,
3207                                 used_buffer,
3208                                 cloned_buffer,
3209                                 format);
3210         setPreviewFuture(f);
3211         last_export_format = used_buffer->params().bufferFormat();
3212         (void) syncFunc;
3213         (void) previewFunc;
3214         // We are asynchronous, so we don't know here anything about the success
3215         return true;
3216 #else
3217         Buffer::ExportStatus status;
3218         if (syncFunc) {
3219                 // TODO check here if it breaks exporting with Qt < 4.4
3220                 status = (used_buffer->*syncFunc)(format, true);
3221         } else if (previewFunc) {
3222                 status = (used_buffer->*previewFunc)(format);
3223         } else
3224                 return false;
3225         handleExportStatus(gv_, status, format);
3226         (void) asyncFunc;
3227         return (status == Buffer::ExportSuccess
3228                         || status == Buffer::PreviewSuccess);
3229 #endif
3230 }
3231
3232 void GuiView::dispatchToBufferView(FuncRequest const & cmd, DispatchResult & dr)
3233 {
3234         BufferView * bv = currentBufferView();
3235         LASSERT(bv, return);
3236
3237         // Let the current BufferView dispatch its own actions.
3238         bv->dispatch(cmd, dr);
3239         if (dr.dispatched())
3240                 return;
3241
3242         // Try with the document BufferView dispatch if any.
3243         BufferView * doc_bv = documentBufferView();
3244         if (doc_bv && doc_bv != bv) {
3245                 doc_bv->dispatch(cmd, dr);
3246                 if (dr.dispatched())
3247                         return;
3248         }
3249
3250         // Then let the current Cursor dispatch its own actions.
3251         bv->cursor().dispatch(cmd);
3252
3253         // update completion. We do it here and not in
3254         // processKeySym to avoid another redraw just for a
3255         // changed inline completion
3256         if (cmd.origin() == FuncRequest::KEYBOARD) {
3257                 if (cmd.action() == LFUN_SELF_INSERT
3258                         || (cmd.action() == LFUN_ERT_INSERT && bv->cursor().inMathed()))
3259                         updateCompletion(bv->cursor(), true, true);
3260                 else if (cmd.action() == LFUN_CHAR_DELETE_BACKWARD)
3261                         updateCompletion(bv->cursor(), false, true);
3262                 else
3263                         updateCompletion(bv->cursor(), false, false);
3264         }
3265
3266         dr = bv->cursor().result();
3267 }
3268
3269
3270 void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
3271 {
3272         BufferView * bv = currentBufferView();
3273         // By default we won't need any update.
3274         dr.screenUpdate(Update::None);
3275         // assume cmd will be dispatched
3276         dr.dispatched(true);
3277
3278         Buffer * doc_buffer = documentBufferView()
3279                 ? &(documentBufferView()->buffer()) : 0;
3280
3281         if (cmd.origin() == FuncRequest::TOC) {
3282                 GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
3283                 // FIXME: do we need to pass a DispatchResult object here?
3284                 toc->doDispatch(bv->cursor(), cmd);
3285                 return;
3286         }
3287
3288         string const argument = to_utf8(cmd.argument());
3289
3290         switch(cmd.action()) {
3291                 case LFUN_BUFFER_CHILD_OPEN:
3292                         openChildDocument(to_utf8(cmd.argument()));
3293                         break;
3294
3295                 case LFUN_BUFFER_IMPORT:
3296                         importDocument(to_utf8(cmd.argument()));
3297                         break;
3298
3299                 case LFUN_BUFFER_EXPORT: {
3300                         if (!doc_buffer)
3301                                 break;
3302                         // GCC only sees strfwd.h when building merged
3303                         if (::lyx::operator==(cmd.argument(), "custom")) {
3304                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"), dr);
3305                                 break;
3306                         }
3307                         /* TODO/Review: Is it a problem to also export the children?
3308                                         See the update_unincluded flag */
3309                         d.asyncBufferProcessing(argument,
3310                                                 doc_buffer,
3311                                                 _("Exporting ..."),
3312                                                 &GuiViewPrivate::exportAndDestroy,
3313                                                 &Buffer::doExport,
3314                                                 0);
3315                         // TODO Inform user about success
3316                         break;
3317                 }
3318
3319                 case LFUN_BUFFER_EXPORT_AS:
3320                         LASSERT(doc_buffer, break);
3321                         exportBufferAs(*doc_buffer);
3322                         break;
3323
3324                 case LFUN_BUFFER_UPDATE: {
3325                         d.asyncBufferProcessing(argument,
3326                                                 doc_buffer,
3327                                                 _("Exporting ..."),
3328                                                 &GuiViewPrivate::compileAndDestroy,
3329                                                 &Buffer::doExport,
3330                                                 0);
3331                         break;
3332                 }
3333                 case LFUN_BUFFER_VIEW: {
3334                         d.asyncBufferProcessing(argument,
3335                                                 doc_buffer,
3336                                                 _("Previewing ..."),
3337                                                 &GuiViewPrivate::previewAndDestroy,
3338                                                 0,
3339                                                 &Buffer::preview);
3340                         break;
3341                 }
3342                 case LFUN_MASTER_BUFFER_UPDATE: {
3343                         d.asyncBufferProcessing(argument,
3344                                                 (doc_buffer ? doc_buffer->masterBuffer() : 0),
3345                                                 docstring(),
3346                                                 &GuiViewPrivate::compileAndDestroy,
3347                                                 &Buffer::doExport,
3348                                                 0);
3349                         break;
3350                 }
3351                 case LFUN_MASTER_BUFFER_VIEW: {
3352                         d.asyncBufferProcessing(argument,
3353                                                 (doc_buffer ? doc_buffer->masterBuffer() : 0),
3354                                                 docstring(),
3355                                                 &GuiViewPrivate::previewAndDestroy,
3356                                                 0, &Buffer::preview);
3357                         break;
3358                 }
3359                 case LFUN_BUFFER_SWITCH: {
3360                         string const file_name = to_utf8(cmd.argument());
3361                         if (!FileName::isAbsolute(file_name)) {
3362                                 dr.setError(true);
3363                                 dr.setMessage(_("Absolute filename expected."));
3364                                 break;
3365                         }
3366
3367                         Buffer * buffer = theBufferList().getBuffer(FileName(file_name));
3368                         if (!buffer) {
3369                                 dr.setError(true);
3370                                 dr.setMessage(_("Document not loaded"));
3371                                 break;
3372                         }
3373
3374                         // Do we open or switch to the buffer in this view ?
3375                         if (workArea(*buffer)
3376                                   || lyxrc.open_buffers_in_tabs || !documentBufferView()) {
3377                                 setBuffer(buffer);
3378                                 break;
3379                         }
3380
3381                         // Look for the buffer in other views
3382                         QList<int> const ids = guiApp->viewIds();
3383                         int i = 0;
3384                         for (; i != ids.size(); ++i) {
3385                                 GuiView & gv = guiApp->view(ids[i]);
3386                                 if (gv.workArea(*buffer)) {
3387                                         gv.activateWindow();
3388                                         gv.setBuffer(buffer);
3389                                         break;
3390                                 }
3391                         }
3392
3393                         // If necessary, open a new window as a last resort
3394                         if (i == ids.size()) {
3395                                 lyx::dispatch(FuncRequest(LFUN_WINDOW_NEW));
3396                                 lyx::dispatch(cmd);
3397                         }
3398                         break;
3399                 }
3400
3401                 case LFUN_BUFFER_NEXT:
3402                         gotoNextOrPreviousBuffer(NEXTBUFFER);
3403                         break;
3404
3405                 case LFUN_BUFFER_PREVIOUS:
3406                         gotoNextOrPreviousBuffer(PREVBUFFER);
3407                         break;
3408
3409                 case LFUN_COMMAND_EXECUTE: {
3410                         bool const show_it = cmd.argument() != "off";
3411                         // FIXME: this is a hack, "minibuffer" should not be
3412                         // hardcoded.
3413                         if (GuiToolbar * t = toolbar("minibuffer")) {
3414                                 t->setVisible(show_it);
3415                                 if (show_it && t->commandBuffer())
3416                                         t->commandBuffer()->setFocus();
3417                         }
3418                         break;
3419                 }
3420                 case LFUN_DROP_LAYOUTS_CHOICE:
3421                         d.layout_->showPopup();
3422                         break;
3423
3424                 case LFUN_MENU_OPEN:
3425                         if (QMenu * menu = guiApp->menus().menu(toqstr(cmd.argument()), *this))
3426                                 menu->exec(QCursor::pos());
3427                         break;
3428
3429                 case LFUN_FILE_INSERT:
3430                         insertLyXFile(cmd.argument());
3431                         break;
3432
3433                 case LFUN_FILE_INSERT_PLAINTEXT:
3434                 case LFUN_FILE_INSERT_PLAINTEXT_PARA: {
3435                         bool const as_paragraph = (cmd.action() == LFUN_FILE_INSERT_PLAINTEXT_PARA);
3436                         string const fname = to_utf8(cmd.argument());
3437                         if (!fname.empty() && !FileName::isAbsolute(fname)) {
3438                                 dr.setMessage(_("Absolute filename expected."));
3439                                 break;
3440                         }
3441
3442                         FileName filename(fname);
3443                         if (fname.empty()) {
3444                                 FileDialog dlg(qt_("Select file to insert"), (as_paragraph ?
3445                                         LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT));
3446
3447                                 FileDialog::Result result = dlg.open(toqstr(bv->buffer().filePath()),
3448                                         QStringList(qt_("All Files (*)")));
3449
3450                                 if (result.first == FileDialog::Later || result.second.isEmpty()) {
3451                                         dr.setMessage(_("Canceled."));
3452                                         break;
3453                                 }
3454
3455                                 filename.set(fromqstr(result.second));
3456                         }
3457
3458                         if (bv) {
3459                                 FuncRequest const new_cmd(cmd, filename.absoluteFilePath());
3460                                 bv->dispatch(new_cmd, dr);
3461                         }
3462                         break;
3463                 }
3464
3465                 case LFUN_BUFFER_RELOAD: {
3466                         LASSERT(doc_buffer, break);
3467
3468                         int ret = 0;
3469                         if (!doc_buffer->isClean()) {
3470                                 docstring const file =
3471                                         makeDisplayPath(doc_buffer->absFileName(), 20);
3472                                 docstring text = bformat(_("Any changes will be lost. "
3473                                         "Are you sure you want to revert to the saved version "
3474                                         "of the document %1$s?"), file);
3475                                 ret = Alert::prompt(_("Revert to saved document?"),
3476                                         text, 1, 1, _("&Revert"), _("&Cancel"));
3477                         }
3478
3479                         if (ret == 0) {
3480                                 doc_buffer->markClean();
3481                                 reloadBuffer(*doc_buffer);
3482                                 dr.forceBufferUpdate();
3483                         }
3484                         break;
3485                 }
3486
3487                 case LFUN_BUFFER_WRITE:
3488                         LASSERT(doc_buffer, break);
3489                         saveBuffer(*doc_buffer);
3490                         break;
3491
3492                 case LFUN_BUFFER_WRITE_AS:
3493                         LASSERT(doc_buffer, break);
3494                         renameBuffer(*doc_buffer, cmd.argument());
3495                         break;
3496
3497                 case LFUN_BUFFER_WRITE_ALL: {
3498                         Buffer * first = theBufferList().first();
3499                         if (!first)
3500                                 break;
3501                         message(_("Saving all documents..."));
3502                         // We cannot use a for loop as the buffer list cycles.
3503                         Buffer * b = first;
3504                         do {
3505                                 if (!b->isClean()) {
3506                                         saveBuffer(*b);
3507                                         LYXERR(Debug::ACTION, "Saved " << b->absFileName());
3508                                 }
3509                                 b = theBufferList().next(b);
3510                         } while (b != first);
3511                         dr.setMessage(_("All documents saved."));
3512                         break;
3513                 }
3514
3515                 case LFUN_BUFFER_CLOSE:
3516                         closeBuffer();
3517                         break;
3518
3519                 case LFUN_BUFFER_CLOSE_ALL:
3520                         closeBufferAll();
3521                         break;
3522
3523                 case LFUN_TOOLBAR_TOGGLE: {
3524                         string const name = cmd.getArg(0);
3525                         if (GuiToolbar * t = toolbar(name))
3526                                 t->toggle();
3527                         break;
3528                 }
3529
3530                 case LFUN_DIALOG_UPDATE: {
3531                         string const name = to_utf8(cmd.argument());
3532                         if (name == "prefs" || name == "document")
3533                                 updateDialog(name, string());
3534                         else if (name == "paragraph")
3535                                 lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
3536                         else if (currentBufferView()) {
3537                                 Inset * inset = currentBufferView()->editedInset(name);
3538                                 // Can only update a dialog connected to an existing inset
3539                                 if (inset) {
3540                                         // FIXME: get rid of this indirection; GuiView ask the inset
3541                                         // if he is kind enough to update itself...
3542                                         FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument());
3543                                         //FIXME: pass DispatchResult here?
3544                                         inset->dispatch(currentBufferView()->cursor(), fr);
3545                                 }
3546                         }
3547                         break;
3548                 }
3549
3550                 case LFUN_DIALOG_TOGGLE: {
3551                         FuncCode const func_code = isDialogVisible(cmd.getArg(0))
3552                                 ? LFUN_DIALOG_HIDE : LFUN_DIALOG_SHOW;
3553                         dispatch(FuncRequest(func_code, cmd.argument()), dr);
3554                         break;
3555                 }
3556
3557                 case LFUN_DIALOG_DISCONNECT_INSET:
3558                         disconnectDialog(to_utf8(cmd.argument()));
3559                         break;
3560
3561                 case LFUN_DIALOG_HIDE: {
3562                         guiApp->hideDialogs(to_utf8(cmd.argument()), 0);
3563                         break;
3564                 }
3565
3566                 case LFUN_DIALOG_SHOW: {
3567                         string const name = cmd.getArg(0);
3568                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
3569
3570                         if (name == "character") {
3571                                 data = freefont2string();
3572                                 if (!data.empty())
3573                                         showDialog("character", data);
3574                         } else if (name == "latexlog") {
3575                                 Buffer::LogType type;
3576                                 string const logfile = doc_buffer->logName(&type);
3577                                 switch (type) {
3578                                 case Buffer::latexlog:
3579                                         data = "latex ";
3580                                         break;
3581                                 case Buffer::buildlog:
3582                                         data = "literate ";
3583                                         break;
3584                                 }
3585                                 data += Lexer::quoteString(logfile);
3586                                 showDialog("log", data);
3587                         } else if (name == "vclog") {
3588                                 string const data = "vc " +
3589                                         Lexer::quoteString(doc_buffer->lyxvc().getLogFile());
3590                                 showDialog("log", data);
3591                         } else if (name == "symbols") {
3592                                 data = bv->cursor().getEncoding()->name();
3593                                 if (!data.empty())
3594                                         showDialog("symbols", data);
3595                         // bug 5274
3596                         } else if (name == "prefs" && isFullScreen()) {
3597                                 lfunUiToggle("fullscreen");
3598                                 showDialog("prefs", data);
3599                         } else
3600                                 showDialog(name, data);
3601                         break;
3602                 }
3603
3604                 case LFUN_MESSAGE:
3605                         dr.setMessage(cmd.argument());
3606                         break;
3607
3608                 case LFUN_UI_TOGGLE: {
3609                         string arg = cmd.getArg(0);
3610                         if (!lfunUiToggle(arg)) {
3611                                 docstring const msg = "ui-toggle " + _("%1$s unknown command!");
3612                                 dr.setMessage(bformat(msg, from_utf8(arg)));
3613                         }
3614                         // Make sure the keyboard focus stays in the work area.
3615                         setFocus();
3616                         break;
3617                 }
3618
3619                 case LFUN_VIEW_SPLIT: {
3620                         LASSERT(doc_buffer, break);
3621                         string const orientation = cmd.getArg(0);
3622                         d.splitter_->setOrientation(orientation == "vertical"
3623                                 ? Qt::Vertical : Qt::Horizontal);
3624                         TabWorkArea * twa = addTabWorkArea();
3625                         GuiWorkArea * wa = twa->addWorkArea(*doc_buffer, *this);
3626                         setCurrentWorkArea(wa);
3627                         break;
3628                 }
3629                 case LFUN_TAB_GROUP_CLOSE:
3630                         if (TabWorkArea * twa = d.currentTabWorkArea()) {
3631                                 closeTabWorkArea(twa);
3632                                 d.current_work_area_ = 0;
3633                                 twa = d.currentTabWorkArea();
3634                                 // Switch to the next GuiWorkArea in the found TabWorkArea.
3635                                 if (twa) {
3636                                         // Make sure the work area is up to date.
3637                                         setCurrentWorkArea(twa->currentWorkArea());
3638                                 } else {
3639                                         setCurrentWorkArea(0);
3640                                 }
3641                         }
3642                         break;
3643
3644                 case LFUN_VIEW_CLOSE:
3645                         if (TabWorkArea * twa = d.currentTabWorkArea()) {
3646                                 closeWorkArea(twa->currentWorkArea());
3647                                 d.current_work_area_ = 0;
3648                                 twa = d.currentTabWorkArea();
3649                                 // Switch to the next GuiWorkArea in the found TabWorkArea.
3650                                 if (twa) {
3651                                         // Make sure the work area is up to date.
3652                                         setCurrentWorkArea(twa->currentWorkArea());
3653                                 } else {
3654                                         setCurrentWorkArea(0);
3655                                 }
3656                         }
3657                         break;
3658
3659                 case LFUN_COMPLETION_INLINE:
3660                         if (d.current_work_area_)
3661                                 d.current_work_area_->completer().showInline();
3662                         break;
3663
3664                 case LFUN_COMPLETION_POPUP:
3665                         if (d.current_work_area_)
3666                                 d.current_work_area_->completer().showPopup();
3667                         break;
3668
3669
3670                 case LFUN_COMPLETION_COMPLETE:
3671                         if (d.current_work_area_)
3672                                 d.current_work_area_->completer().tab();
3673                         break;
3674
3675                 case LFUN_COMPLETION_CANCEL:
3676                         if (d.current_work_area_) {
3677                                 if (d.current_work_area_->completer().popupVisible())
3678                                         d.current_work_area_->completer().hidePopup();
3679                                 else
3680                                         d.current_work_area_->completer().hideInline();
3681                         }
3682                         break;
3683
3684                 case LFUN_COMPLETION_ACCEPT:
3685                         if (d.current_work_area_)
3686                                 d.current_work_area_->completer().activate();
3687                         break;
3688
3689                 case LFUN_BUFFER_ZOOM_IN:
3690                 case LFUN_BUFFER_ZOOM_OUT:
3691                         if (cmd.argument().empty()) {
3692                                 if (cmd.action() == LFUN_BUFFER_ZOOM_IN)
3693                                         lyxrc.zoom += 20;
3694                                 else
3695                                         lyxrc.zoom -= 20;
3696                         } else
3697                                 lyxrc.zoom += convert<int>(cmd.argument());
3698
3699                         if (lyxrc.zoom < 10)
3700                                 lyxrc.zoom = 10;
3701
3702                         // The global QPixmapCache is used in GuiPainter to cache text
3703                         // painting so we must reset it.
3704                         QPixmapCache::clear();
3705                         guiApp->fontLoader().update();
3706                         lyx::dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
3707                         break;
3708
3709                 case LFUN_VC_REGISTER:
3710                 case LFUN_VC_RENAME:
3711                 case LFUN_VC_COPY:
3712                 case LFUN_VC_CHECK_IN:
3713                 case LFUN_VC_CHECK_OUT:
3714                 case LFUN_VC_REPO_UPDATE:
3715                 case LFUN_VC_LOCKING_TOGGLE:
3716                 case LFUN_VC_REVERT:
3717                 case LFUN_VC_UNDO_LAST:
3718                 case LFUN_VC_COMMAND:
3719                 case LFUN_VC_COMPARE:
3720                         dispatchVC(cmd, dr);
3721                         break;
3722
3723                 case LFUN_SERVER_GOTO_FILE_ROW:
3724                         goToFileRow(to_utf8(cmd.argument()));
3725                         break;
3726
3727                 case LFUN_FORWARD_SEARCH: {
3728                         Buffer const * doc_master = doc_buffer->masterBuffer();
3729                         FileName const path(doc_master->temppath());
3730                         string const texname = doc_master->isChild(doc_buffer)
3731                                 ? DocFileName(changeExtension(
3732                                         doc_buffer->absFileName(),
3733                                                 "tex")).mangledFileName()
3734                                 : doc_buffer->latexName();
3735                         string const fulltexname =
3736                                 support::makeAbsPath(texname, doc_master->temppath()).absFileName();
3737                         string const mastername =
3738                                 removeExtension(doc_master->latexName());
3739                         FileName const dviname(addName(path.absFileName(),
3740                                         addExtension(mastername, "dvi")));
3741                         FileName const pdfname(addName(path.absFileName(),
3742                                         addExtension(mastername, "pdf")));
3743                         bool const have_dvi = dviname.exists();
3744                         bool const have_pdf = pdfname.exists();
3745                         if (!have_dvi && !have_pdf) {
3746                                 dr.setMessage(_("Please, preview the document first."));
3747                                 break;
3748                         }
3749                         string outname = dviname.onlyFileName();
3750                         string command = lyxrc.forward_search_dvi;
3751                         if (!have_dvi || (have_pdf &&
3752                             pdfname.lastModified() > dviname.lastModified())) {
3753                                 outname = pdfname.onlyFileName();
3754                                 command = lyxrc.forward_search_pdf;
3755                         }
3756
3757                         DocIterator tmpcur = bv->cursor();
3758                         // Leave math first
3759                         while (tmpcur.inMathed())
3760                                 tmpcur.pop_back();
3761                         int row = tmpcur.inMathed() ? 0 : doc_buffer->texrow().getRowFromIdPos(
3762                                                                 tmpcur.paragraph().id(), tmpcur.pos());
3763                         LYXERR(Debug::ACTION, "Forward search: row:" << row
3764                                 << " id:" << tmpcur.paragraph().id());
3765                         if (!row || command.empty()) {
3766                                 dr.setMessage(_("Couldn't proceed."));
3767                                 break;
3768                         }
3769                         string texrow = convert<string>(row);
3770
3771                         command = subst(command, "$$n", texrow);
3772                         command = subst(command, "$$f", fulltexname);
3773                         command = subst(command, "$$t", texname);
3774                         command = subst(command, "$$o", outname);
3775
3776                         PathChanger p(path);
3777                         Systemcall one;
3778                         one.startscript(Systemcall::DontWait, command);
3779                         break;
3780                 }
3781
3782                 case LFUN_SPELLING_CONTINUOUSLY:
3783                         lyxrc.spellcheck_continuously = !lyxrc.spellcheck_continuously;
3784                         dr.screenUpdate(Update::Force | Update::FitCursor);
3785                         break;
3786
3787                 default:
3788                         // The LFUN must be for one of BufferView, Buffer or Cursor;
3789                         // let's try that:
3790                         dispatchToBufferView(cmd, dr);
3791                         break;
3792         }
3793
3794         // Part of automatic menu appearance feature.
3795         if (isFullScreen()) {
3796                 if (menuBar()->isVisible() && lyxrc.full_screen_menubar)
3797                         menuBar()->hide();
3798                 if (statusBar()->isVisible())
3799                         statusBar()->hide();
3800         }
3801 }
3802
3803
3804 bool GuiView::lfunUiToggle(string const & ui_component)
3805 {
3806         if (ui_component == "scrollbar") {
3807                 // hide() is of no help
3808                 if (d.current_work_area_->verticalScrollBarPolicy() ==
3809                         Qt::ScrollBarAlwaysOff)
3810
3811                         d.current_work_area_->setVerticalScrollBarPolicy(
3812                                 Qt::ScrollBarAsNeeded);
3813                 else
3814                         d.current_work_area_->setVerticalScrollBarPolicy(
3815                                 Qt::ScrollBarAlwaysOff);
3816         } else if (ui_component == "statusbar") {
3817                 statusBar()->setVisible(!statusBar()->isVisible());
3818         } else if (ui_component == "menubar") {
3819                 menuBar()->setVisible(!menuBar()->isVisible());
3820         } else
3821         if (ui_component == "frame") {
3822                 int l, t, r, b;
3823                 getContentsMargins(&l, &t, &r, &b);
3824                 //are the frames in default state?
3825                 d.current_work_area_->setFrameStyle(QFrame::NoFrame);
3826                 if (l == 0) {
3827                         setContentsMargins(-2, -2, -2, -2);
3828                 } else {
3829                         setContentsMargins(0, 0, 0, 0);
3830                 }
3831         } else
3832         if (ui_component == "fullscreen") {
3833                 toggleFullScreen();
3834         } else
3835                 return false;
3836         return true;
3837 }
3838
3839
3840 void GuiView::toggleFullScreen()
3841 {
3842         if (isFullScreen()) {
3843                 for (int i = 0; i != d.splitter_->count(); ++i)
3844                         d.tabWorkArea(i)->setFullScreen(false);
3845                 setContentsMargins(0, 0, 0, 0);
3846                 setWindowState(windowState() ^ Qt::WindowFullScreen);
3847                 restoreLayout();
3848                 menuBar()->show();
3849                 statusBar()->show();
3850         } else {
3851                 // bug 5274
3852                 hideDialogs("prefs", 0);
3853                 for (int i = 0; i != d.splitter_->count(); ++i)
3854                         d.tabWorkArea(i)->setFullScreen(true);
3855                 setContentsMargins(-2, -2, -2, -2);
3856                 saveLayout();
3857                 setWindowState(windowState() ^ Qt::WindowFullScreen);
3858                 statusBar()->hide();
3859                 if (lyxrc.full_screen_menubar)
3860                         menuBar()->hide();
3861                 if (lyxrc.full_screen_toolbars) {
3862                         ToolbarMap::iterator end = d.toolbars_.end();
3863                         for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
3864                                 it->second->hide();
3865                 }
3866         }
3867
3868         // give dialogs like the TOC a chance to adapt
3869         updateDialogs();
3870 }
3871
3872
3873 Buffer const * GuiView::updateInset(Inset const * inset)
3874 {
3875         if (!inset)
3876                 return 0;
3877
3878         Buffer const * inset_buffer = &(inset->buffer());
3879
3880         for (int i = 0; i != d.splitter_->count(); ++i) {
3881                 GuiWorkArea * wa = d.tabWorkArea(i)->currentWorkArea();
3882                 if (!wa)
3883                         continue;
3884                 Buffer const * buffer = &(wa->bufferView().buffer());
3885                 if (inset_buffer == buffer)
3886                         wa->scheduleRedraw();
3887         }
3888         return inset_buffer;
3889 }
3890
3891
3892 void GuiView::restartCursor()
3893 {
3894         /* When we move around, or type, it's nice to be able to see
3895          * the cursor immediately after the keypress.
3896          */
3897         if (d.current_work_area_)
3898                 d.current_work_area_->startBlinkingCursor();
3899
3900         // Take this occasion to update the other GUI elements.
3901         updateDialogs();
3902         updateStatusBar();
3903 }
3904
3905
3906 void GuiView::updateCompletion(Cursor & cur, bool start, bool keep)
3907 {
3908         if (d.current_work_area_)
3909                 d.current_work_area_->completer().updateVisibility(cur, start, keep);
3910 }
3911
3912 namespace {
3913
3914 // This list should be kept in sync with the list of insets in
3915 // src/insets/Inset.cpp.  I.e., if a dialog goes with an inset, the
3916 // dialog should have the same name as the inset.
3917 // Changes should be also recorded in LFUN_DIALOG_SHOW doxygen
3918 // docs in LyXAction.cpp.
3919
3920 char const * const dialognames[] = {
3921
3922 "aboutlyx", "bibitem", "bibtex", "box", "branch", "changes", "character",
3923 "citation", "compare", "comparehistory", "document", "errorlist", "ert",
3924 "external", "file", "findreplace", "findreplaceadv", "float", "graphics",
3925 "href", "include", "index", "index_print", "info", "listings", "label", "line",
3926 "log", "mathdelimiter", "mathmatrix", "mathspace", "nomenclature",
3927 "nomencl_print", "note", "paragraph", "phantom", "prefs", "print", "ref",
3928 "sendto", "space", "spellchecker", "symbols", "tabular", "tabularcreate",
3929 "thesaurus", "texinfo", "toc", "view-source", "vspace", "wrap", "progress"};
3930
3931 char const * const * const end_dialognames =
3932         dialognames + (sizeof(dialognames) / sizeof(char *));
3933
3934 class cmpCStr {
3935 public:
3936         cmpCStr(char const * name) : name_(name) {}
3937         bool operator()(char const * other) {
3938                 return strcmp(other, name_) == 0;
3939         }
3940 private:
3941         char const * name_;
3942 };
3943
3944
3945 bool isValidName(string const & name)
3946 {
3947         return find_if(dialognames, end_dialognames,
3948                                 cmpCStr(name.c_str())) != end_dialognames;
3949 }
3950
3951 } // namespace anon
3952
3953
3954 void GuiView::resetDialogs()
3955 {
3956         // Make sure that no LFUN uses any GuiView.
3957         guiApp->setCurrentView(0);
3958         saveLayout();
3959         saveUISettings();
3960         menuBar()->clear();
3961         constructToolbars();
3962         guiApp->menus().fillMenuBar(menuBar(), this, false);
3963         d.layout_->updateContents(true);
3964         // Now update controls with current buffer.
3965         guiApp->setCurrentView(this);
3966         restoreLayout();
3967         restartCursor();
3968 }
3969
3970
3971 Dialog * GuiView::findOrBuild(string const & name, bool hide_it)
3972 {
3973         if (!isValidName(name))
3974                 return 0;
3975
3976         map<string, DialogPtr>::iterator it = d.dialogs_.find(name);
3977
3978         if (it != d.dialogs_.end()) {
3979                 if (hide_it)
3980                         it->second->hideView();
3981                 return it->second.get();
3982         }
3983
3984         Dialog * dialog = build(name);
3985         d.dialogs_[name].reset(dialog);
3986         if (lyxrc.allow_geometry_session)
3987                 dialog->restoreSession();
3988         if (hide_it)
3989                 dialog->hideView();
3990         return dialog;
3991 }
3992
3993
3994 void GuiView::showDialog(string const & name, string const & data,
3995         Inset * inset)
3996 {
3997         triggerShowDialog(toqstr(name), toqstr(data), inset);
3998 }
3999
4000
4001 void GuiView::doShowDialog(QString const & qname, QString const & qdata,
4002         Inset * inset)
4003 {
4004         if (d.in_show_)
4005                 return;
4006
4007         const string name = fromqstr(qname);
4008         const string data = fromqstr(qdata);
4009
4010         d.in_show_ = true;
4011         try {
4012                 Dialog * dialog = findOrBuild(name, false);
4013                 if (dialog) {
4014                         bool const visible = dialog->isVisibleView();
4015                         dialog->showData(data);
4016                         if (inset && currentBufferView())
4017                                 currentBufferView()->editInset(name, inset);
4018                         // We only set the focus to the new dialog if it was not yet
4019                         // visible in order not to change the existing previous behaviour
4020                         if (visible) {
4021                                 // activateWindow is needed for floating dockviews
4022                                 dialog->asQWidget()->raise();
4023                                 dialog->asQWidget()->activateWindow();
4024                                 dialog->asQWidget()->setFocus();
4025                         }
4026                 }
4027         }
4028         catch (ExceptionMessage const & ex) {
4029                 d.in_show_ = false;
4030                 throw ex;
4031         }
4032         d.in_show_ = false;
4033 }
4034
4035
4036 bool GuiView::isDialogVisible(string const & name) const
4037 {
4038         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
4039         if (it == d.dialogs_.end())
4040                 return false;
4041         return it->second.get()->isVisibleView() && !it->second.get()->isClosing();
4042 }
4043
4044
4045 void GuiView::hideDialog(string const & name, Inset * inset)
4046 {
4047         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
4048         if (it == d.dialogs_.end())
4049                 return;
4050
4051         if (inset) {
4052                 if (!currentBufferView())
4053                         return;
4054                 if (inset != currentBufferView()->editedInset(name))
4055                         return;
4056         }
4057
4058         Dialog * const dialog = it->second.get();
4059         if (dialog->isVisibleView())
4060                 dialog->hideView();
4061         if (currentBufferView())
4062                 currentBufferView()->editInset(name, 0);
4063 }
4064
4065
4066 void GuiView::disconnectDialog(string const & name)
4067 {
4068         if (!isValidName(name))
4069                 return;
4070         if (currentBufferView())
4071                 currentBufferView()->editInset(name, 0);
4072 }
4073
4074
4075 void GuiView::hideAll() const
4076 {
4077         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
4078         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
4079
4080         for(; it != end; ++it)
4081                 it->second->hideView();
4082 }
4083
4084
4085 void GuiView::updateDialogs()
4086 {
4087         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
4088         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
4089
4090         for(; it != end; ++it) {
4091                 Dialog * dialog = it->second.get();
4092                 if (dialog) {
4093                         if (dialog->needBufferOpen() && !documentBufferView())
4094                                 hideDialog(fromqstr(dialog->name()), 0);
4095                         else if (dialog->isVisibleView())
4096                                 dialog->checkStatus();
4097                 }
4098         }
4099         updateToolbars();
4100         updateLayoutList();
4101 }
4102
4103 Dialog * createDialog(GuiView & lv, string const & name);
4104
4105 // will be replaced by a proper factory...
4106 Dialog * createGuiAbout(GuiView & lv);
4107 Dialog * createGuiBibtex(GuiView & lv);
4108 Dialog * createGuiChanges(GuiView & lv);
4109 Dialog * createGuiCharacter(GuiView & lv);
4110 Dialog * createGuiCitation(GuiView & lv);
4111 Dialog * createGuiCompare(GuiView & lv);
4112 Dialog * createGuiCompareHistory(GuiView & lv);
4113 Dialog * createGuiDelimiter(GuiView & lv);
4114 Dialog * createGuiDocument(GuiView & lv);
4115 Dialog * createGuiErrorList(GuiView & lv);
4116 Dialog * createGuiExternal(GuiView & lv);
4117 Dialog * createGuiGraphics(GuiView & lv);
4118 Dialog * createGuiInclude(GuiView & lv);
4119 Dialog * createGuiIndex(GuiView & lv);
4120 Dialog * createGuiListings(GuiView & lv);
4121 Dialog * createGuiLog(GuiView & lv);
4122 Dialog * createGuiMathMatrix(GuiView & lv);
4123 Dialog * createGuiNote(GuiView & lv);
4124 Dialog * createGuiParagraph(GuiView & lv);
4125 Dialog * createGuiPhantom(GuiView & lv);
4126 Dialog * createGuiPreferences(GuiView & lv);
4127 Dialog * createGuiPrint(GuiView & lv);
4128 Dialog * createGuiPrintindex(GuiView & lv);
4129 Dialog * createGuiRef(GuiView & lv);
4130 Dialog * createGuiSearch(GuiView & lv);
4131 Dialog * createGuiSearchAdv(GuiView & lv);
4132 Dialog * createGuiSendTo(GuiView & lv);
4133 Dialog * createGuiShowFile(GuiView & lv);
4134 Dialog * createGuiSpellchecker(GuiView & lv);
4135 Dialog * createGuiSymbols(GuiView & lv);
4136 Dialog * createGuiTabularCreate(GuiView & lv);
4137 Dialog * createGuiTexInfo(GuiView & lv);
4138 Dialog * createGuiToc(GuiView & lv);
4139 Dialog * createGuiThesaurus(GuiView & lv);
4140 Dialog * createGuiViewSource(GuiView & lv);
4141 Dialog * createGuiWrap(GuiView & lv);
4142 Dialog * createGuiProgressView(GuiView & lv);
4143
4144
4145
4146 Dialog * GuiView::build(string const & name)
4147 {
4148         LASSERT(isValidName(name), return 0);
4149
4150         Dialog * dialog = createDialog(*this, name);
4151         if (dialog)
4152                 return dialog;
4153
4154         if (name == "aboutlyx")
4155                 return createGuiAbout(*this);
4156         if (name == "bibtex")
4157                 return createGuiBibtex(*this);
4158         if (name == "changes")
4159                 return createGuiChanges(*this);
4160         if (name == "character")
4161                 return createGuiCharacter(*this);
4162         if (name == "citation")
4163                 return createGuiCitation(*this);
4164         if (name == "compare")
4165                 return createGuiCompare(*this);
4166         if (name == "comparehistory")
4167                 return createGuiCompareHistory(*this);
4168         if (name == "document")
4169                 return createGuiDocument(*this);
4170         if (name == "errorlist")
4171                 return createGuiErrorList(*this);
4172         if (name == "external")
4173                 return createGuiExternal(*this);
4174         if (name == "file")
4175                 return createGuiShowFile(*this);
4176         if (name == "findreplace")
4177                 return createGuiSearch(*this);
4178         if (name == "findreplaceadv")
4179                 return createGuiSearchAdv(*this);
4180         if (name == "graphics")
4181                 return createGuiGraphics(*this);
4182         if (name == "include")
4183                 return createGuiInclude(*this);
4184         if (name == "index")
4185                 return createGuiIndex(*this);
4186         if (name == "index_print")
4187                 return createGuiPrintindex(*this);
4188         if (name == "listings")
4189                 return createGuiListings(*this);
4190         if (name == "log")
4191                 return createGuiLog(*this);
4192         if (name == "mathdelimiter")
4193                 return createGuiDelimiter(*this);
4194         if (name == "mathmatrix")
4195                 return createGuiMathMatrix(*this);
4196         if (name == "note")
4197                 return createGuiNote(*this);
4198         if (name == "paragraph")
4199                 return createGuiParagraph(*this);
4200         if (name == "phantom")
4201                 return createGuiPhantom(*this);
4202         if (name == "prefs")
4203                 return createGuiPreferences(*this);
4204         if (name == "print")
4205                 return createGuiPrint(*this);
4206         if (name == "ref")
4207                 return createGuiRef(*this);
4208         if (name == "sendto")
4209                 return createGuiSendTo(*this);
4210         if (name == "spellchecker")
4211                 return createGuiSpellchecker(*this);
4212         if (name == "symbols")
4213                 return createGuiSymbols(*this);
4214         if (name == "tabularcreate")
4215                 return createGuiTabularCreate(*this);
4216         if (name == "texinfo")
4217                 return createGuiTexInfo(*this);
4218         if (name == "thesaurus")
4219                 return createGuiThesaurus(*this);
4220         if (name == "toc")
4221                 return createGuiToc(*this);
4222         if (name == "view-source")
4223                 return createGuiViewSource(*this);
4224         if (name == "wrap")
4225                 return createGuiWrap(*this);
4226         if (name == "progress")
4227                 return createGuiProgressView(*this);
4228
4229         return 0;
4230 }
4231
4232
4233 } // namespace frontend
4234 } // namespace lyx
4235
4236 #include "moc_GuiView.cpp"