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 "FileDialog.h"
  20 #include "GuiApplication.h"
  21 #include "GuiCommandBuffer.h"
  22 #include "GuiCompleter.h"
  23 #include "GuiWorkArea.h"
  24 #include "GuiKeySymbol.h"
  25 #include "GuiToolbar.h"
  26 #include "Menus.h"
  27 #include "TocModel.h"
  28
  29 #include "qt_helpers.h"
  30
  31 #include "frontends/alert.h"
  32
  33 #include "buffer_funcs.h"
  34 #include "Buffer.h"
  35 #include "BufferList.h"
  36 #include "BufferParams.h"
  37 #include "BufferView.h"
  38 #include "Converter.h"
  39 #include "Cursor.h"
  40 #include "Encoding.h"
  41 #include "ErrorList.h"
  42 #include "Format.h"
  43 #include "FuncStatus.h"
  44 #include "FuncRequest.h"
  45 #include "Intl.h"
  46 #include "Layout.h"
  47 #include "Lexer.h"
  48 #include "LyXFunc.h"
  49 #include "LyX.h"
  50 #include "LyXRC.h"
  51 #include "LyXVC.h"
  52 #include "Paragraph.h"
  53 #include "TextClass.h"
  54 #include "Text.h"
  55 #include "Toolbars.h"
  56 #include "version.h"
  57
  58 #include "support/lassert.h"
  59 #include "support/debug.h"
  60 #include "support/ExceptionMessage.h"
  61 #include "support/FileName.h"
  62 #include "support/filetools.h"
  63 #include "support/gettext.h"
  64 #include "support/ForkedCalls.h"
  65 #include "support/lstrings.h"
  66 #include "support/os.h"
  67 #include "support/Package.h"
  68 #include "support/Timeout.h"
  69
  70 #include <QAction>
  71 #include <QApplication>
  72 #include <QCloseEvent>
  73 #include <QDebug>
  74 #include <QDesktopWidget>
  75 #include <QDragEnterEvent>
  76 #include <QDropEvent>
  77 #include <QList>
  78 #include <QMenu>
  79 #include <QMenuBar>
  80 #include <QPainter>
  81 #include <QPixmap>
  82 #include <QPoint>
  83 #include <QPushButton>
  84 #include <QSettings>
  85 #include <QShowEvent>
  86 #include <QSplitter>
  87 #include <QStackedWidget>
  88 #include <QStatusBar>
  89 #include <QTimer>
  90 #include <QToolBar>
  91 #include <QUrl>
  92 #include <QScrollBar>
  93
  94 #include <boost/bind.hpp>
  95
  96 #ifdef HAVE_SYS_TIME_H
  97 # include <sys/time.h>
  98 #endif
  99 #ifdef HAVE_UNISTD_H
 100 # include <unistd.h>
 101 #endif
 102
 103 using namespace std;
 104 using namespace lyx::support;
 105
 106 namespace lyx {
 107 namespace frontend {
 108
 109 namespace {
 110
 111 class BackgroundWidget : public QWidget
 112 {
 113 public:
 114         BackgroundWidget()
 115         {
 116                 LYXERR(Debug::GUI, "show banner: " << lyxrc.show_banner);
 117                 /// The text to be written on top of the pixmap
 118                 QString const text = lyx_version ?
 119                         qt_("version ") + lyx_version : qt_("unknown version");
 120                 splash_ = QPixmap(":/images/banner.png");
 121
 122                 QPainter pain(&splash_);
 123                 pain.setPen(QColor(0, 0, 0));
 124                 QFont font;
 125                 // The font used to display the version info
 126                 font.setStyleHint(QFont::SansSerif);
 127                 font.setWeight(QFont::Bold);
 128                 font.setPointSize(int(toqstr(lyxrc.font_sizes[FONT_SIZE_LARGE]).toDouble()));
 129                 pain.setFont(font);
 130                 pain.drawText(260, 15, text);
 131         }
 132
 133         void paintEvent(QPaintEvent *)
 134         {
 135                 int x = (width() - splash_.width()) / 2;
 136                 int y = (height() - splash_.height()) / 2;
 137                 QPainter pain(this);
 138                 pain.drawPixmap(x, y, splash_);
 139         }
 140
 141 private:
 142         QPixmap splash_;
 143 };
 144
 145
 146 /// Toolbar store providing access to individual toolbars by name.
 147 typedef std::map<std::string, GuiToolbar *> ToolbarMap;
 148
 149 typedef boost::shared_ptr<Dialog> DialogPtr;
 150
 151 } // namespace anon
 152
 153
 154 struct GuiView::GuiViewPrivate
 155 {
 156         GuiViewPrivate()
 157                 : current_work_area_(0), current_main_work_area_(0),
 158                 layout_(0), autosave_timeout_(5000),
 159                 in_show_(false)
 160         {
 161                 // hardcode here the platform specific icon size
 162                 smallIconSize = 14;  // scaling problems
 163                 normalIconSize = 20; // ok, default
 164                 bigIconSize = 26;    // better for some math icons
 165
 166                 splitter_ = new QSplitter;
 167                 bg_widget_ = new BackgroundWidget;
 168                 stack_widget_ = new QStackedWidget;
 169                 stack_widget_->addWidget(bg_widget_);
 170                 stack_widget_->addWidget(splitter_);
 171                 setBackground();
 172         }
 173
 174         ~GuiViewPrivate()
 175         {
 176                 delete splitter_;
 177                 delete bg_widget_;
 178                 delete stack_widget_;
 179         }
 180
 181         QMenu * toolBarPopup(GuiView * parent)
 182         {
 183                 // FIXME: translation
 184                 QMenu * menu = new QMenu(parent);
 185                 QActionGroup * iconSizeGroup = new QActionGroup(parent);
 186
 187                 QAction * smallIcons = new QAction(iconSizeGroup);
 188                 smallIcons->setText(qt_("Small-sized icons"));
 189                 smallIcons->setCheckable(true);
 190                 QObject::connect(smallIcons, SIGNAL(triggered()),
 191                         parent, SLOT(smallSizedIcons()));
 192                 menu->addAction(smallIcons);
 193
 194                 QAction * normalIcons = new QAction(iconSizeGroup);
 195                 normalIcons->setText(qt_("Normal-sized icons"));
 196                 normalIcons->setCheckable(true);
 197                 QObject::connect(normalIcons, SIGNAL(triggered()),
 198                         parent, SLOT(normalSizedIcons()));
 199                 menu->addAction(normalIcons);
 200
 201                 QAction * bigIcons = new QAction(iconSizeGroup);
 202                 bigIcons->setText(qt_("Big-sized icons"));
 203                 bigIcons->setCheckable(true);
 204                 QObject::connect(bigIcons, SIGNAL(triggered()),
 205                         parent, SLOT(bigSizedIcons()));
 206                 menu->addAction(bigIcons);
 207
 208                 unsigned int cur = parent->iconSize().width();
 209                 if ( cur == parent->d.smallIconSize)
 210                         smallIcons->setChecked(true);
 211                 else if (cur == parent->d.normalIconSize)
 212                         normalIcons->setChecked(true);
 213                 else if (cur == parent->d.bigIconSize)
 214                         bigIcons->setChecked(true);
 215
 216                 return menu;
 217         }
 218
 219         void setBackground()
 220         {
 221                 stack_widget_->setCurrentWidget(bg_widget_);
 222                 bg_widget_->setUpdatesEnabled(true);
 223         }
 224
 225         TabWorkArea * tabWorkArea(int i)
 226         {
 227                 return dynamic_cast<TabWorkArea *>(splitter_->widget(i));
 228         }
 229
 230         TabWorkArea * currentTabWorkArea()
 231         {
 232                 if (splitter_->count() == 1)
 233                         // The first TabWorkArea is always the first one, if any.
 234                         return tabWorkArea(0);
 235
 236                 for (int i = 0; i != splitter_->count(); ++i) {
 237                         TabWorkArea * twa = tabWorkArea(i);
 238                         if (current_main_work_area_ == twa->currentWorkArea())
 239                                 return twa;
 240                 }
 241
 242                 // None has the focus so we just take the first one.
 243                 return tabWorkArea(0);
 244         }
 245
 246 public:
 247         GuiWorkArea * current_work_area_;
 248         GuiWorkArea * current_main_work_area_;
 249         QSplitter * splitter_;
 250         QStackedWidget * stack_widget_;
 251         BackgroundWidget * bg_widget_;
 252         /// view's toolbars
 253         ToolbarMap toolbars_;
 254         /// The main layout box.
 255         /**
 256          * \warning Don't Delete! The layout box is actually owned by
 257          * whichever toolbar contains it. All the GuiView class needs is a
 258          * means of accessing it.
 259          *
 260          * FIXME: replace that with a proper model so that we are not limited
 261          * to only one dialog.
 262          */
 263         GuiLayoutBox * layout_;
 264
 265         ///
 266         map<string, Inset *> open_insets_;
 267
 268         ///
 269         map<string, DialogPtr> dialogs_;
 270
 271         unsigned int smallIconSize;
 272         unsigned int normalIconSize;
 273         unsigned int bigIconSize;
 274         ///
 275         QTimer statusbar_timer_;
 276         /// auto-saving of buffers
 277         Timeout autosave_timeout_;
 278         /// flag against a race condition due to multiclicks, see bug #1119
 279         bool in_show_;
 280
 281         ///
 282         TocModels toc_models_;
 283 };
 284
 285
 286 GuiView::GuiView(int id)
 287         : d(*new GuiViewPrivate), id_(id), closing_(false)
 288 {
 289         // GuiToolbars *must* be initialised before the menu bar.
 290         normalSizedIcons(); // at least on Mac the default is 32 otherwise, which is huge
 291         constructToolbars();
 292
 293         // set ourself as the current view. This is needed for the menu bar
 294         // filling, at least for the static special menu item on Mac. Otherwise
 295         // they are greyed out.
 296         theLyXFunc().setLyXView(this);
 297
 298         // Fill up the menu bar.
 299         guiApp->menus().fillMenuBar(menuBar(), this, true);
 300
 301         setCentralWidget(d.stack_widget_);
 302
 303         // Start autosave timer
 304         if (lyxrc.autosave) {
 305                 d.autosave_timeout_.timeout.connect(boost::bind(&GuiView::autoSave, this));
 306                 d.autosave_timeout_.setTimeout(lyxrc.autosave * 1000);
 307                 d.autosave_timeout_.start();
 308         }
 309         connect(&d.statusbar_timer_, SIGNAL(timeout()),
 310                 this, SLOT(clearMessage()));
 311
 312         // We don't want to keep the window in memory if it is closed.
 313         setAttribute(Qt::WA_DeleteOnClose, true);
 314
 315 #if (!defined(Q_WS_WIN) && !defined(Q_WS_MACX))
 316         // assign an icon to main form. We do not do it under Qt/Win or Qt/Mac,
 317         // since the icon is provided in the application bundle.
 318         setWindowIcon(QPixmap(":/images/lyx.png"));
 319 #endif
 320
 321         // For Drag&Drop.
 322         setAcceptDrops(true);
 323
 324         statusBar()->setSizeGripEnabled(true);
 325
 326         // Forbid too small unresizable window because it can happen
 327         // with some window manager under X11.
 328         setMinimumSize(300, 200);
 329
 330         if (lyxrc.allow_geometry_session) {
 331                 // Now take care of session management.
 332                 if (restoreLayout())
 333                         return;
 334         }
 335
 336         // no session handling, default to a sane size.
 337         setGeometry(50, 50, 690, 510);
 338         initToolbars();
 339
 340         // clear session data if any.
 341         QSettings settings;
 342         settings.remove("views");
 343 }
 344
 345
 346 GuiView::~GuiView()
 347 {
 348         delete &d;
 349 }
 350
 351
 352 void GuiView::saveLayout() const
 353 {
 354         QSettings settings;
 355         settings.beginGroup("views");
 356         settings.beginGroup(QString::number(id_));
 357 #ifdef Q_WS_X11
 358         settings.setValue("pos", pos());
 359         settings.setValue("size", size());
 360 #else
 361         settings.setValue("geometry", saveGeometry());
 362 #endif
 363         settings.setValue("layout", saveState(0));
 364         settings.setValue("icon_size", iconSize());
 365 }
 366
 367
 368 bool GuiView::restoreLayout()
 369 {
 370         QSettings settings;
 371         settings.beginGroup("views");
 372         settings.beginGroup(QString::number(id_));
 373         QString const icon_key = "icon_size";
 374         if (!settings.contains(icon_key))
 375                 return false;
 376
 377         setIconSize(settings.value(icon_key).toSize());
 378 #ifdef Q_WS_X11
 379         QPoint pos = settings.value("pos", QPoint(50, 50)).toPoint();
 380         QSize size = settings.value("size", QSize(690, 510)).toSize();
 381         resize(size);
 382         move(pos);
 383 #else
 384         if (!restoreGeometry(settings.value("geometry").toByteArray()))
 385                 setGeometry(50, 50, 690, 510);
 386 #endif
 387         // Make sure layout is correctly oriented.
 388         setLayoutDirection(qApp->layoutDirection());
 389
 390         // Allow the toc and view-source dock widget to be restored if needed.
 391         findOrBuild("toc", true);
 392         findOrBuild("view-source", true);
 393
 394         if (!restoreState(settings.value("layout").toByteArray(), 0))
 395                 initToolbars();
 396         updateDialogs();
 397         return true;
 398 }
 399
 400
 401 GuiToolbar * GuiView::toolbar(string const & name)
 402 {
 403         ToolbarMap::iterator it = d.toolbars_.find(name);
 404         if (it != d.toolbars_.end())
 405                 return it->second;
 406
 407         LYXERR(Debug::GUI, "Toolbar::display: no toolbar named " << name);
 408         message(bformat(_("Unknown toolbar \"%1$s\""), from_utf8(name)));
 409         return 0;
 410 }
 411
 412
 413 void GuiView::constructToolbars()
 414 {
 415         ToolbarMap::iterator it = d.toolbars_.begin();
 416         for (; it != d.toolbars_.end(); ++it)
 417                 delete it->second;
 418         d.toolbars_.clear();
 419         d.layout_ = 0;
 420
 421         // extracts the toolbars from the backend
 422         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 423         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 424         for (; cit != end; ++cit)
 425                 d.toolbars_[cit->name] =  new GuiToolbar(*cit, *this);
 426 }
 427
 428
 429 void GuiView::initToolbars()
 430 {
 431         // extracts the toolbars from the backend
 432         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 433         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 434         for (; cit != end; ++cit) {
 435                 GuiToolbar * tb = toolbar(cit->name);
 436                 if (!tb)
 437                         continue;
 438                 int const visibility = guiApp->toolbars().defaultVisibility(cit->name);
 439                 bool newline = true;
 440                 tb->setVisible(false);
 441                 tb->setVisibility(visibility);
 442
 443                 if (visibility & Toolbars::TOP) {
 444                         if (newline)
 445                                 addToolBarBreak(Qt::TopToolBarArea);
 446                         addToolBar(Qt::TopToolBarArea, tb);
 447                 }
 448
 449                 if (visibility & Toolbars::BOTTOM) {
 450                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 451 #if (QT_VERSION >= 0x040202)
 452                         addToolBarBreak(Qt::BottomToolBarArea);
 453 #endif
 454                         addToolBar(Qt::BottomToolBarArea, tb);
 455                 }
 456
 457                 if (visibility & Toolbars::LEFT) {
 458                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 459 #if (QT_VERSION >= 0x040202)
 460                         addToolBarBreak(Qt::LeftToolBarArea);
 461 #endif
 462                         addToolBar(Qt::LeftToolBarArea, tb);
 463                 }
 464
 465                 if (visibility & Toolbars::RIGHT) {
 466                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 467 #if (QT_VERSION >= 0x040202)
 468                         addToolBarBreak(Qt::RightToolBarArea);
 469 #endif
 470                         addToolBar(Qt::RightToolBarArea, tb);
 471                 }
 472
 473                 if (visibility & Toolbars::ON)
 474                         tb->setVisible(true);
 475         }
 476 }
 477
 478
 479 TocModels & GuiView::tocModels()
 480 {
 481         return d.toc_models_;
 482 }
 483
 484
 485 void GuiView::setFocus()
 486 {
 487         LYXERR(Debug::DEBUG, "GuiView::setFocus()" << this);
 488         // Make sure LyXFunc points to the correct view.
 489         guiApp->setCurrentView(this);
 490         theLyXFunc().setLyXView(this);
 491         QMainWindow::setFocus();
 492         if (d.current_work_area_)
 493                 d.current_work_area_->setFocus();
 494 }
 495
 496
 497 QMenu * GuiView::createPopupMenu()
 498 {
 499         return d.toolBarPopup(this);
 500 }
 501
 502
 503 void GuiView::showEvent(QShowEvent * e)
 504 {
 505         LYXERR(Debug::GUI, "Passed Geometry "
 506                 << size().height() << "x" << size().width()
 507                 << "+" << pos().x() << "+" << pos().y());
 508
 509         if (d.splitter_->count() == 0)
 510                 // No work area, switch to the background widget.
 511                 d.setBackground();
 512
 513         QMainWindow::showEvent(e);
 514 }
 515
 516
 517 /** Destroy only all tabbed WorkAreas. Destruction of other WorkAreas
 518  ** is responsibility of the container (e.g., dialog)
 519  **/
 520 void GuiView::closeEvent(QCloseEvent * close_event)
 521 {
 522         LYXERR(Debug::DEBUG, "GuiView::closeEvent()");
 523         closing_ = true;
 524
 525         // it can happen that this event arrives without selecting the view,
 526         // e.g. when clicking the close button on a background window.
 527         setFocus();
 528         setCurrentWorkArea(currentMainWorkArea());
 529         while (GuiWorkArea * wa = currentMainWorkArea()) {
 530                 Buffer * b = &wa->bufferView().buffer();
 531                 if (b->parent()) {
 532                         // This is a child document, just close the tab after saving
 533                         // but keep the file loaded.
 534                         if (!saveBuffer(*b)) {
 535                                 closing_ = false;
 536                                 close_event->ignore();
 537                                 return;
 538                         }
 539                 removeWorkArea(wa);
 540                         continue;
 541                 }
 542
 543                 QList<int> const ids = guiApp->viewIds();
 544                 for (int i = 0; i != ids.size(); ++i) {
 545                         if (id_ == ids[i])
 546                                 continue;
 547                         if (guiApp->view(ids[i]).workArea(*b)) {
 548                                 // FIXME 1: should we put an alert box here that the buffer
 549                                 // is viewed elsewhere?
 550                                 // FIXME 2: should we try to save this buffer in any case?
 551                                 //saveBuffer(b);
 552
 553                                 // This buffer is also opened in another view, so
 554                                 // close the associated work area...
 555                                 removeWorkArea(wa);
 556                                 // ... but don't close the buffer.
 557                                 b = 0;
 558                                 break;
 559                         }
 560                 }
 561                 // closeBuffer() needs buffer workArea still alive and set as currrent one, and destroys it
 562                 if (b && !closeBuffer(*b, true)) {
 563                         closing_ = false;
 564                         close_event->ignore();
 565                         return;
 566                 }
 567         }
 568
 569         // Make sure that nothing will use this close to be closed View.
 570         guiApp->unregisterView(this);
 571
 572         if (isFullScreen()) {
 573                 // Switch off fullscreen before closing.
 574                 toggleFullScreen();
 575                 updateDialogs();
 576         }
 577
 578         // Make sure the timer time out will not trigger a statusbar update.
 579         d.statusbar_timer_.stop();
 580
 581         // Saving fullscreen requires additional tweaks in the toolbar code.
 582         // It wouldn't also work under linux natively.
 583         if (lyxrc.allow_geometry_session) {
 584                 // Save this window geometry and layout.
 585                 saveLayout();
 586                 // Then the toolbar private states.
 587                 ToolbarMap::iterator end = d.toolbars_.end();
 588                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
 589                         it->second->saveSession();
 590                 // Now take care of all other dialogs:
 591                 map<string, DialogPtr>::const_iterator it = d.dialogs_.begin();
 592                 for (; it!= d.dialogs_.end(); ++it)
 593                         it->second->saveSession();
 594         }
 595
 596         close_event->accept();
 597 }
 598
 599
 600 void GuiView::dragEnterEvent(QDragEnterEvent * event)
 601 {
 602         if (event->mimeData()->hasUrls())
 603                 event->accept();
 604         /// \todo Ask lyx-devel is this is enough:
 605         /// if (event->mimeData()->hasFormat("text/plain"))
 606         ///     event->acceptProposedAction();
 607 }
 608
 609
 610 void GuiView::dropEvent(QDropEvent * event)
 611 {
 612         QList<QUrl> files = event->mimeData()->urls();
 613         if (files.isEmpty())
 614                 return;
 615
 616         LYXERR(Debug::GUI, "GuiView::dropEvent: got URLs!");
 617         for (int i = 0; i != files.size(); ++i) {
 618                 string const file = os::internal_path(fromqstr(
 619                         files.at(i).toLocalFile()));
 620                 if (!file.empty()) {
 621                         // Asynchronously post the event. DropEvent usually come
 622                         // from the BufferView. But reloading a file might close
 623                         // the BufferView from within its own event handler.
 624                         guiApp->dispatchDelayed(FuncRequest(LFUN_FILE_OPEN, file));
 625                         event->accept();
 626                 }
 627         }
 628 }
 629
 630
 631 void GuiView::message(docstring const & str)
 632 {
 633         if (ForkedProcess::iAmAChild())
 634                 return;
 635
 636         statusBar()->showMessage(toqstr(str));
 637         d.statusbar_timer_.stop();
 638         d.statusbar_timer_.start(3000);
 639 }
 640
 641
 642 void GuiView::smallSizedIcons()
 643 {
 644         setIconSize(QSize(d.smallIconSize, d.smallIconSize));
 645 }
 646
 647
 648 void GuiView::normalSizedIcons()
 649 {
 650         setIconSize(QSize(d.normalIconSize, d.normalIconSize));
 651 }
 652
 653
 654 void GuiView::bigSizedIcons()
 655 {
 656         setIconSize(QSize(d.bigIconSize, d.bigIconSize));
 657 }
 658
 659
 660 void GuiView::clearMessage()
 661 {
 662         if (!hasFocus())
 663                 return;
 664         theLyXFunc().setLyXView(this);
 665         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 666         d.statusbar_timer_.stop();
 667 }
 668
 669
 670 void GuiView::updateWindowTitle(GuiWorkArea * wa)
 671 {
 672         if (wa != d.current_work_area_)
 673                 return;
 674         setWindowTitle(qt_("LyX: ") + wa->windowTitle());
 675         setWindowIconText(wa->windowIconText());
 676 }
 677
 678
 679 void GuiView::on_currentWorkAreaChanged(GuiWorkArea * wa)
 680 {
 681         disconnectBuffer();
 682         disconnectBufferView();
 683         connectBufferView(wa->bufferView());
 684         connectBuffer(wa->bufferView().buffer());
 685         d.current_work_area_ = wa;
 686         QObject::connect(wa, SIGNAL(titleChanged(GuiWorkArea *)),
 687                 this, SLOT(updateWindowTitle(GuiWorkArea *)));
 688         updateWindowTitle(wa);
 689
 690         structureChanged();
 691
 692         // The document settings needs to be reinitialised.
 693         updateDialog("document", "");
 694
 695         // Buffer-dependent dialogs must be updated. This is done here because
 696         // some dialogs require buffer()->text.
 697         updateDialogs();
 698 }
 699
 700
 701 void GuiView::on_lastWorkAreaRemoved()
 702 {
 703         if (closing_)
 704                 // We already are in a close event. Nothing more to do.
 705                 return;
 706
 707         if (d.splitter_->count() > 1)
 708                 // We have a splitter so don't close anything.
 709                 return;
 710
 711         // Reset and updates the dialogs.
 712         d.toc_models_.reset(0);
 713         updateDialog("document", "");
 714         updateDialogs();
 715
 716         resetWindowTitleAndIconText();
 717
 718         if (lyxrc.open_buffers_in_tabs)
 719                 // Nothing more to do, the window should stay open.
 720                 return;
 721
 722         if (guiApp->viewIds().size() > 1) {
 723                 close();
 724                 return;
 725         }
 726
 727 #ifdef Q_WS_MACX
 728         // On Mac we also close the last window because the application stay
 729         // resident in memory. On other platforms we don't close the last
 730         // window because this would quit the application.
 731         close();
 732 #endif
 733 }
 734
 735
 736 void GuiView::updateStatusBar()
 737 {
 738         // let the user see the explicit message
 739         if (d.statusbar_timer_.isActive())
 740                 return;
 741
 742         theLyXFunc().setLyXView(this);
 743         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 744 }
 745
 746
 747 bool GuiView::hasFocus() const
 748 {
 749         return qApp->activeWindow() == this;
 750 }
 751
 752
 753 bool GuiView::event(QEvent * e)
 754 {
 755         switch (e->type())
 756         {
 757         // Useful debug code:
 758         //case QEvent::ActivationChange:
 759         //case QEvent::WindowDeactivate:
 760         //case QEvent::Paint:
 761         //case QEvent::Enter:
 762         //case QEvent::Leave:
 763         //case QEvent::HoverEnter:
 764         //case QEvent::HoverLeave:
 765         //case QEvent::HoverMove:
 766         //case QEvent::StatusTip:
 767         //case QEvent::DragEnter:
 768         //case QEvent::DragLeave:
 769         //case QEvent::Drop:
 770         //      break;
 771
 772         case QEvent::WindowActivate: {
 773                 if (this == guiApp->currentView()) {
 774                         setFocus();
 775                         return QMainWindow::event(e);
 776                 }
 777                 guiApp->setCurrentView(this);
 778                 theLyXFunc().setLyXView(this);
 779                 if (d.current_work_area_) {
 780                         BufferView & bv = d.current_work_area_->bufferView();
 781                         connectBufferView(bv);
 782                         connectBuffer(bv.buffer());
 783                         // The document structure, name and dialogs might have
 784                         // changed in another view.
 785                         structureChanged();
 786                         // The document settings needs to be reinitialised.
 787                         updateDialog("document", "");
 788                         updateDialogs();
 789                 } else {
 790                         resetWindowTitleAndIconText();
 791                 }
 792                 setFocus();
 793                 return QMainWindow::event(e);
 794         }
 795
 796         case QEvent::ShortcutOverride: {
 797
 798 #ifndef Q_WS_X11
 799                 // FIXME bug 4888
 800                 if (isFullScreen() && menuBar()->isHidden()) {
 801                         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 802                         // FIXME: we should also try to detect special LyX shortcut such as
 803                         // Alt-P and Alt-M. Right now there is a hack in
 804                         // GuiWorkArea::processKeySym() that hides again the menubar for
 805                         // those cases.
 806                         if (ke->modifiers() & Qt::AltModifier && ke->key() != Qt::Key_Alt) {
 807                                 menuBar()->show();
 808                                 return QMainWindow::event(e);
 809                         }
 810                 }
 811 #endif
 812
 813                 if (d.current_work_area_)
 814                         // Nothing special to do.
 815                         return QMainWindow::event(e);
 816
 817                 QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 818                 // Let Qt handle menu access and the Tab keys to navigate keys to navigate
 819                 // between controls.
 820                 if (ke->modifiers() & Qt::AltModifier || ke->key() == Qt::Key_Tab
 821                         || ke->key() == Qt::Key_Backtab)
 822                         return QMainWindow::event(e);
 823
 824                 // Allow processing of shortcuts that are allowed even when no Buffer
 825                 // is viewed.
 826                 theLyXFunc().setLyXView(this);
 827                 KeySymbol sym;
 828                 setKeySymbol(&sym, ke);
 829                 theLyXFunc().processKeySym(sym, q_key_state(ke->modifiers()));
 830                 e->accept();
 831                 return true;
 832         }
 833
 834         default:
 835                 return QMainWindow::event(e);
 836         }
 837 }
 838
 839 void GuiView::resetWindowTitleAndIconText()
 840 {
 841     setWindowTitle(qt_("LyX"));
 842     setWindowIconText(qt_("LyX"));
 843 }
 844
 845 bool GuiView::focusNextPrevChild(bool /*next*/)
 846 {
 847         setFocus();
 848         return true;
 849 }
 850
 851
 852 void GuiView::setBusy(bool busy)
 853 {
 854         if (d.current_work_area_) {
 855                 d.current_work_area_->setUpdatesEnabled(!busy);
 856                 if (busy)
 857                         d.current_work_area_->stopBlinkingCursor();
 858                 else
 859                         d.current_work_area_->startBlinkingCursor();
 860         }
 861
 862         if (busy)
 863                 QApplication::setOverrideCursor(Qt::WaitCursor);
 864         else
 865                 QApplication::restoreOverrideCursor();
 866 }
 867
 868
 869 GuiWorkArea * GuiView::workArea(Buffer & buffer)
 870 {
 871         if (currentWorkArea()
 872             && &currentWorkArea()->bufferView().buffer() == &buffer)
 873                 return (GuiWorkArea *) currentWorkArea();
 874         if (TabWorkArea * twa = d.currentTabWorkArea())
 875                 return twa->workArea(buffer);
 876         return 0;
 877 }
 878
 879
 880 GuiWorkArea * GuiView::addWorkArea(Buffer & buffer)
 881 {
 882         // Automatically create a TabWorkArea if there are none yet.
 883         TabWorkArea * tab_widget = d.splitter_->count()
 884                 ? d.currentTabWorkArea() : addTabWorkArea();
 885         return tab_widget->addWorkArea(buffer, *this);
 886 }
 887
 888
 889 TabWorkArea * GuiView::addTabWorkArea()
 890 {
 891         TabWorkArea * twa = new TabWorkArea;
 892         QObject::connect(twa, SIGNAL(currentWorkAreaChanged(GuiWorkArea *)),
 893                 this, SLOT(on_currentWorkAreaChanged(GuiWorkArea *)));
 894         QObject::connect(twa, SIGNAL(lastWorkAreaRemoved()),
 895                          this, SLOT(on_lastWorkAreaRemoved()));
 896
 897         d.splitter_->addWidget(twa);
 898         d.stack_widget_->setCurrentWidget(d.splitter_);
 899         return twa;
 900 }
 901
 902
 903 GuiWorkArea const * GuiView::currentWorkArea() const
 904 {
 905         return d.current_work_area_;
 906 }
 907
 908
 909 GuiWorkArea * GuiView::currentWorkArea()
 910 {
 911         return d.current_work_area_;
 912 }
 913
 914
 915 GuiWorkArea const * GuiView::currentMainWorkArea() const
 916 {
 917         if (d.currentTabWorkArea() == NULL)
 918                 return NULL;
 919         return d.currentTabWorkArea()->currentWorkArea();
 920 }
 921
 922
 923 GuiWorkArea * GuiView::currentMainWorkArea()
 924 {
 925         if (d.currentTabWorkArea() == NULL)
 926                 return NULL;
 927         return d.currentTabWorkArea()->currentWorkArea();
 928 }
 929
 930
 931 void GuiView::setCurrentWorkArea(GuiWorkArea * wa)
 932 {
 933         LYXERR(Debug::DEBUG, "Setting current wa: " << wa << endl);
 934         if (wa == NULL) {
 935                 d.current_work_area_ = NULL;
 936                 d.setBackground();
 937                 return;
 938         }
 939         GuiWorkArea * old_gwa = theGuiApp()->currentView()->currentWorkArea();
 940         if (old_gwa == wa)
 941                 return;
 942
 943         theGuiApp()->setCurrentView(this);
 944         d.current_work_area_ = wa;
 945         for (int i = 0; i != d.splitter_->count(); ++i) {
 946                 if (d.tabWorkArea(i)->setCurrentWorkArea(wa)) {
 947                         //if (d.current_main_work_area_)
 948                         //      d.current_main_work_area_->setFrameStyle(QFrame::NoFrame);
 949                         d.current_main_work_area_ = wa;
 950                         //d.current_main_work_area_->setFrameStyle(QFrame::Box | QFrame::Plain);
 951                         //d.current_main_work_area_->setLineWidth(2);
 952                         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() << ", Current main wa: " << currentMainWorkArea());
 953                         return;
 954                 }
 955         }
 956         LYXERR(Debug::DEBUG, "This is not a tabbed wa");
 957         on_currentWorkAreaChanged(wa);
 958         BufferView & bv = wa->bufferView();
 959         bv.cursor().fixIfBroken();
 960         bv.updateMetrics();
 961         wa->setUpdatesEnabled(true);
 962         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() << ", Current main wa: " << currentMainWorkArea());
 963 }
 964
 965
 966 void GuiView::removeWorkArea(GuiWorkArea * wa)
 967 {
 968         LASSERT(wa, return);
 969         if (wa == d.current_work_area_) {
 970                 disconnectBuffer();
 971                 disconnectBufferView();
 972                 d.current_work_area_ = 0;
 973                 d.current_main_work_area_ = 0;
 974         }
 975
 976         bool found_twa = false;
 977         for (int i = 0; i != d.splitter_->count(); ++i) {
 978                 TabWorkArea * twa = d.tabWorkArea(i);
 979                 if (twa->removeWorkArea(wa)) {
 980                         // Found in this tab group, and deleted the GuiWorkArea.
 981                         found_twa = true;
 982                         if (twa->count() != 0) {
 983                                 if (d.current_work_area_ == 0)
 984                                         // This means that we are closing the current GuiWorkArea, so
 985                                         // switch to the next GuiWorkArea in the found TabWorkArea.
 986                                         setCurrentWorkArea(twa->currentWorkArea());
 987                         } else {
 988                                 // No more WorkAreas in this tab group, so delete it.
 989                                 delete twa;
 990                         }
 991                         break;
 992                 }
 993         }
 994
 995         // It is not a tabbed work area (i.e., the search work area), so it
 996         // should be deleted by other means.
 997         LASSERT(found_twa, /* */);
 998
 999         if (d.current_work_area_ == 0) {
1000                 if (d.splitter_->count() != 0) {
1001                         TabWorkArea * twa = d.currentTabWorkArea();
1002                         setCurrentWorkArea(twa->currentWorkArea());
1003                 } else {
1004                         // No more work areas, switch to the background widget.
1005                         setCurrentWorkArea(0);
1006                 }
1007         }
1008 }
1009
1010
1011 void GuiView::setLayoutDialog(GuiLayoutBox * layout)
1012 {
1013         d.layout_ = layout;
1014 }
1015
1016
1017 void GuiView::updateLayoutList()
1018 {
1019         if (d.layout_)
1020                 d.layout_->updateContents(false);
1021 }
1022
1023
1024 void GuiView::updateToolbars()
1025 {
1026         ToolbarMap::iterator end = d.toolbars_.end();
1027         if (d.current_work_area_) {
1028                 bool const math =
1029                         d.current_work_area_->bufferView().cursor().inMathed();
1030                 bool const table =
1031                         lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
1032                 bool const review =
1033                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
1034                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onoff(true);
1035                 bool const mathmacrotemplate =
1036                         lyx::getStatus(FuncRequest(LFUN_IN_MATHMACROTEMPLATE)).enabled();
1037
1038                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1039                         it->second->update(math, table, review, mathmacrotemplate);
1040         } else
1041                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1042                         it->second->update(false, false, false, false);
1043 }
1044
1045
1046 Buffer * GuiView::buffer()
1047 {
1048         if (d.current_work_area_)
1049                 return &d.current_work_area_->bufferView().buffer();
1050         return 0;
1051 }
1052
1053
1054 Buffer const * GuiView::buffer() const
1055 {
1056         if (d.current_work_area_)
1057                 return &d.current_work_area_->bufferView().buffer();
1058         return 0;
1059 }
1060
1061
1062 void GuiView::setBuffer(Buffer * newBuffer)
1063 {
1064         LYXERR(Debug::DEBUG, "Setting buffer: " << newBuffer << std::endl);
1065         LASSERT(newBuffer, return);
1066         setBusy(true);
1067
1068         GuiWorkArea * wa = workArea(*newBuffer);
1069         if (wa == 0) {
1070                 newBuffer->masterBuffer()->updateLabels();
1071                 wa = addWorkArea(*newBuffer);
1072         } else {
1073                 //Disconnect the old buffer...there's no new one.
1074                 disconnectBuffer();
1075         }
1076         connectBuffer(*newBuffer);
1077         connectBufferView(wa->bufferView());
1078         setCurrentWorkArea(wa);
1079
1080         setBusy(false);
1081 }
1082
1083
1084 void GuiView::connectBuffer(Buffer & buf)
1085 {
1086         buf.setGuiDelegate(this);
1087 }
1088
1089
1090 void GuiView::disconnectBuffer()
1091 {
1092         if (d.current_work_area_)
1093                 d.current_work_area_->bufferView().setGuiDelegate(0);
1094 }
1095
1096
1097 void GuiView::connectBufferView(BufferView & bv)
1098 {
1099         bv.setGuiDelegate(this);
1100 }
1101
1102
1103 void GuiView::disconnectBufferView()
1104 {
1105         if (d.current_work_area_)
1106                 d.current_work_area_->bufferView().setGuiDelegate(0);
1107 }
1108
1109
1110 void GuiView::errors(string const & error_type)
1111 {
1112         ErrorList & el = buffer()->errorList(error_type);
1113         if (!el.empty())
1114                 showDialog("errorlist", error_type);
1115 }
1116
1117
1118 void GuiView::updateTocItem(std::string const & type, DocIterator const & dit)
1119 {
1120         d.toc_models_.updateItem(toqstr(type), dit);
1121 }
1122
1123
1124 void GuiView::structureChanged()
1125 {
1126         d.toc_models_.reset(view());
1127         // Navigator needs more than a simple update in this case. It needs to be
1128         // rebuilt.
1129         updateDialog("toc", "");
1130 }
1131
1132
1133 void GuiView::updateDialog(string const & name, string const & data)
1134 {
1135         if (!isDialogVisible(name))
1136                 return;
1137
1138         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
1139         if (it == d.dialogs_.end())
1140                 return;
1141
1142         Dialog * const dialog = it->second.get();
1143         if (dialog->isVisibleView())
1144                 dialog->initialiseParams(data);
1145 }
1146
1147
1148 BufferView * GuiView::view()
1149 {
1150         return d.current_work_area_ ? &d.current_work_area_->bufferView() : 0;
1151 }
1152
1153
1154 void GuiView::autoSave()
1155 {
1156         LYXERR(Debug::INFO, "Running autoSave()");
1157
1158         if (buffer())
1159                 view()->buffer().autoSave();
1160 }
1161
1162
1163 void GuiView::resetAutosaveTimers()
1164 {
1165         if (lyxrc.autosave)
1166                 d.autosave_timeout_.restart();
1167 }
1168
1169
1170 bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1171 {
1172         bool enable = true;
1173         Buffer * buf = buffer();
1174
1175         /* In LyX/Mac, when a dialog is open, the menus of the
1176            application can still be accessed without giving focus to
1177            the main window. In this case, we want to disable the menu
1178            entries that are buffer-related.
1179
1180            Note that this code is not perfect, as bug 1941 attests:
1181            http://bugzilla.lyx.org/show_bug.cgi?id=1941#c4
1182         */
1183         if (cmd.origin == FuncRequest::MENU && !hasFocus())
1184                 buf = 0;
1185
1186         switch(cmd.action) {
1187         case LFUN_BUFFER_WRITE:
1188                 enable = buf && (buf->isUnnamed() || !buf->isClean());
1189                 break;
1190
1191         case LFUN_BUFFER_WRITE_AS:
1192                 enable = buf;
1193                 break;
1194
1195         case LFUN_SPLIT_VIEW:
1196                 if (cmd.getArg(0) == "vertical")
1197                         enable = buf && (d.splitter_->count() == 1 ||
1198                                          d.splitter_->orientation() == Qt::Vertical);
1199                 else
1200                         enable = buf && (d.splitter_->count() == 1 ||
1201                                          d.splitter_->orientation() == Qt::Horizontal);
1202                 break;
1203
1204         case LFUN_CLOSE_TAB_GROUP:
1205                 enable = d.currentTabWorkArea();
1206                 break;
1207
1208         case LFUN_TOOLBAR_TOGGLE:
1209                 if (GuiToolbar * t = toolbar(cmd.getArg(0)))
1210                         flag.setOnOff(t->isVisible());
1211                 break;
1212
1213         case LFUN_UI_TOGGLE:
1214                 flag.setOnOff(isFullScreen());
1215                 break;
1216
1217         case LFUN_DIALOG_TOGGLE:
1218                 flag.setOnOff(isDialogVisible(cmd.getArg(0)));
1219                 // fall through to set "enable"
1220         case LFUN_DIALOG_SHOW: {
1221                 string const name = cmd.getArg(0);
1222                 if (!buf)
1223                         enable = name == "aboutlyx"
1224                                 || name == "file" //FIXME: should be removed.
1225                                 || name == "prefs"
1226                                 || name == "texinfo";
1227                 else if (name == "print")
1228                         enable = buf->isExportable("dvi")
1229                                 && lyxrc.print_command != "none";
1230                 else if (name == "character") {
1231                         if (!view())
1232                                 enable = false;
1233                         else {
1234                                 InsetCode ic = view()->cursor().inset().lyxCode();
1235                                 enable = ic != ERT_CODE && ic != LISTINGS_CODE;
1236                         }
1237                 }
1238                 else if (name == "symbols") {
1239                         if (!view() || view()->cursor().inMathed())
1240                                 enable = false;
1241                         else {
1242                                 InsetCode ic = view()->cursor().inset().lyxCode();
1243                                 enable = ic != ERT_CODE && ic != LISTINGS_CODE;
1244                         }
1245                 }
1246                 else if (name == "latexlog")
1247                         enable = FileName(buf->logName()).isReadableFile();
1248                 else if (name == "spellchecker")
1249 #if defined (USE_ASPELL)
1250                         enable = !buf->isReadonly();
1251 #else
1252                         enable = false;
1253 #endif
1254                 else if (name == "vclog")
1255                         enable = buf->lyxvc().inUse();
1256                 break;
1257         }
1258
1259         case LFUN_DIALOG_UPDATE: {
1260                 string const name = cmd.getArg(0);
1261                 if (!buf)
1262                         enable = name == "prefs";
1263                 break;
1264         }
1265
1266         case LFUN_INSET_APPLY: {
1267                 string const name = cmd.getArg(0);
1268                 Inset * inset = getOpenInset(name);
1269                 if (inset) {
1270                         FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1271                         FuncStatus fs;
1272                         if (!inset->getStatus(view()->cursor(), fr, fs)) {
1273                                 // Every inset is supposed to handle this
1274                                 LASSERT(false, break);
1275                         }
1276                         flag |= fs;
1277                 } else {
1278                         FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1279                         flag |= lyx::getStatus(fr);
1280                 }
1281                 enable = flag.enabled();
1282                 break;
1283         }
1284
1285         case LFUN_COMPLETION_INLINE:
1286                 if (!d.current_work_area_
1287                     || !d.current_work_area_->completer().inlinePossible(view()->cursor()))
1288                     enable = false;
1289                 break;
1290
1291         case LFUN_COMPLETION_POPUP:
1292                 if (!d.current_work_area_
1293                     || !d.current_work_area_->completer().popupPossible(view()->cursor()))
1294                     enable = false;
1295                 break;
1296
1297         case LFUN_COMPLETION_COMPLETE:
1298                 if (!d.current_work_area_
1299                         || !d.current_work_area_->completer().inlinePossible(view()->cursor()))
1300                     enable = false;
1301                 break;
1302
1303         case LFUN_COMPLETION_ACCEPT:
1304                 if (!d.current_work_area_
1305                     || (!d.current_work_area_->completer().popupVisible()
1306                         && !d.current_work_area_->completer().inlineVisible()
1307                         && !d.current_work_area_->completer().completionAvailable()))
1308                         enable = false;
1309                 break;
1310
1311                 case LFUN_COMPLETION_CANCEL:
1312                 if (!d.current_work_area_
1313                     || (!d.current_work_area_->completer().popupVisible()
1314                         && !d.current_work_area_->completer().inlineVisible()))
1315                         enable = false;
1316                 break;
1317
1318         default:
1319                 return false;
1320         }
1321
1322         if (!enable)
1323                 flag.setEnabled(false);
1324
1325         return true;
1326 }
1327
1328
1329 static FileName selectTemplateFile()
1330 {
1331         FileDialog dlg(qt_("Select template file"));
1332         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1333         dlg.setButton1(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1334
1335         FileDialog::Result result = dlg.open(toqstr(lyxrc.template_path),
1336                              QStringList(qt_("LyX Documents (*.lyx)")));
1337
1338         if (result.first == FileDialog::Later)
1339                 return FileName();
1340         if (result.second.isEmpty())
1341                 return FileName();
1342         return FileName(fromqstr(result.second));
1343 }
1344
1345
1346 Buffer * GuiView::loadDocument(FileName const & filename, bool tolastfiles)
1347 {
1348         setBusy(true);
1349
1350         Buffer * newBuffer = checkAndLoadLyXFile(filename);
1351
1352         if (!newBuffer) {
1353                 message(_("Document not loaded."));
1354                 setBusy(false);
1355                 return 0;
1356         }
1357
1358         setBuffer(newBuffer);
1359
1360         // scroll to the position when the file was last closed
1361         if (lyxrc.use_lastfilepos) {
1362                 LastFilePosSection::FilePos filepos =
1363                         theSession().lastFilePos().load(filename);
1364                 view()->moveToPosition(filepos.pit, filepos.pos, 0, 0);
1365         }
1366
1367         if (tolastfiles)
1368                 theSession().lastFiles().add(filename);
1369
1370         setBusy(false);
1371         return newBuffer;
1372 }
1373
1374
1375 void GuiView::openDocument(string const & fname)
1376 {
1377         string initpath = lyxrc.document_path;
1378
1379         if (buffer()) {
1380                 string const trypath = buffer()->filePath();
1381                 // If directory is writeable, use this as default.
1382                 if (FileName(trypath).isDirWritable())
1383                         initpath = trypath;
1384         }
1385
1386         string filename;
1387
1388         if (fname.empty()) {
1389                 FileDialog dlg(qt_("Select document to open"), LFUN_FILE_OPEN);
1390                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1391                 dlg.setButton2(qt_("Examples|#E#e"),
1392                                 toqstr(addPath(package().system_support().absFilename(), "examples")));
1393
1394                 QStringList filter(qt_("LyX Documents (*.lyx)"));
1395                 filter << qt_("LyX-1.3.x Documents (*.lyx13)")
1396                         << qt_("LyX-1.4.x Documents (*.lyx14)")
1397                         << qt_("LyX-1.5.x Documents (*.lyx15)")
1398                         << qt_("LyX-1.6.x Documents (*.lyx16)");
1399                 FileDialog::Result result =
1400                         dlg.open(toqstr(initpath), filter);
1401
1402                 if (result.first == FileDialog::Later)
1403                         return;
1404
1405                 filename = fromqstr(result.second);
1406
1407                 // check selected filename
1408                 if (filename.empty()) {
1409                         message(_("Canceled."));
1410                         return;
1411                 }
1412         } else
1413                 filename = fname;
1414
1415         // get absolute path of file and add ".lyx" to the filename if
1416         // necessary.
1417         FileName const fullname =
1418                         fileSearch(string(), filename, "lyx", support::may_not_exist);
1419         if (!fullname.empty())
1420                 filename = fullname.absFilename();
1421
1422         if (!fullname.onlyPath().isDirectory()) {
1423                 Alert::warning(_("Invalid filename"),
1424                                 bformat(_("The directory in the given path\n%1$s\ndoes not exists."),
1425                                 from_utf8(fullname.absFilename())));
1426                 return;
1427         }
1428         // if the file doesn't exist, let the user create one
1429         if (!fullname.exists()) {
1430                 // the user specifically chose this name. Believe him.
1431                 Buffer * const b = newFile(filename, string(), true);
1432                 if (b)
1433                         setBuffer(b);
1434                 return;
1435         }
1436
1437         docstring const disp_fn = makeDisplayPath(filename);
1438         message(bformat(_("Opening document %1$s..."), disp_fn));
1439
1440         docstring str2;
1441         Buffer * buf = loadDocument(fullname);
1442         if (buf) {
1443                 buf->updateLabels();
1444                 setBuffer(buf);
1445                 buf->errors("Parse");
1446                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1447                 if (buf->lyxvc().inUse())
1448                         str2 += " " + from_utf8(buf->lyxvc().versionString()) +
1449                                 " " + _("Version control detected.");
1450         } else {
1451                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1452         }
1453         message(str2);
1454 }
1455
1456 // FIXME: clean that
1457 static bool import(GuiView * lv, FileName const & filename,
1458         string const & format, ErrorList & errorList)
1459 {
1460         FileName const lyxfile(support::changeExtension(filename.absFilename(), ".lyx"));
1461
1462         string loader_format;
1463         vector<string> loaders = theConverters().loaders();
1464         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
1465                 for (vector<string>::const_iterator it = loaders.begin();
1466                      it != loaders.end(); ++it) {
1467                         if (!theConverters().isReachable(format, *it))
1468                                 continue;
1469
1470                         string const tofile =
1471                                 support::changeExtension(filename.absFilename(),
1472                                 formats.extension(*it));
1473                         if (!theConverters().convert(0, filename, FileName(tofile),
1474                                 filename, format, *it, errorList))
1475                                 return false;
1476                         loader_format = *it;
1477                         break;
1478                 }
1479                 if (loader_format.empty()) {
1480                         frontend::Alert::error(_("Couldn't import file"),
1481                                      bformat(_("No information for importing the format %1$s."),
1482                                          formats.prettyName(format)));
1483                         return false;
1484                 }
1485         } else
1486                 loader_format = format;
1487
1488         if (loader_format == "lyx") {
1489                 Buffer * buf = lv->loadDocument(lyxfile);
1490                 if (!buf)
1491                         return false;
1492                 buf->updateLabels();
1493                 lv->setBuffer(buf);
1494                 buf->errors("Parse");
1495         } else {
1496                 Buffer * const b = newFile(lyxfile.absFilename(), string(), true);
1497                 if (!b)
1498                         return false;
1499                 lv->setBuffer(b);
1500                 bool as_paragraphs = loader_format == "textparagraph";
1501                 string filename2 = (loader_format == format) ? filename.absFilename()
1502                         : support::changeExtension(filename.absFilename(),
1503                                           formats.extension(loader_format));
1504                 lv->view()->insertPlaintextFile(FileName(filename2), as_paragraphs);
1505                 theLyXFunc().setLyXView(lv);
1506                 lyx::dispatch(FuncRequest(LFUN_MARK_OFF));
1507         }
1508
1509         return true;
1510 }
1511
1512
1513 void GuiView::importDocument(string const & argument)
1514 {
1515         string format;
1516         string filename = split(argument, format, ' ');
1517
1518         LYXERR(Debug::INFO, format << " file: " << filename);
1519
1520         // need user interaction
1521         if (filename.empty()) {
1522                 string initpath = lyxrc.document_path;
1523
1524                 Buffer const * buf = buffer();
1525                 if (buf) {
1526                         string const trypath = buf->filePath();
1527                         // If directory is writeable, use this as default.
1528                         if (FileName(trypath).isDirWritable())
1529                                 initpath = trypath;
1530                 }
1531
1532                 docstring const text = bformat(_("Select %1$s file to import"),
1533                         formats.prettyName(format));
1534
1535                 FileDialog dlg(toqstr(text), LFUN_BUFFER_IMPORT);
1536                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1537                 dlg.setButton2(qt_("Examples|#E#e"),
1538                         toqstr(addPath(package().system_support().absFilename(), "examples")));
1539
1540                 docstring filter = formats.prettyName(format);
1541                 filter += " (*.";
1542                 // FIXME UNICODE
1543                 filter += from_utf8(formats.extension(format));
1544                 filter += ')';
1545
1546                 FileDialog::Result result =
1547                         dlg.open(toqstr(initpath), fileFilters(toqstr(filter)));
1548
1549                 if (result.first == FileDialog::Later)
1550                         return;
1551
1552                 filename = fromqstr(result.second);
1553
1554                 // check selected filename
1555                 if (filename.empty())
1556                         message(_("Canceled."));
1557         }
1558
1559         if (filename.empty())
1560                 return;
1561
1562         // get absolute path of file
1563         FileName const fullname(support::makeAbsPath(filename));
1564
1565         FileName const lyxfile(support::changeExtension(fullname.absFilename(), ".lyx"));
1566
1567         // Check if the document already is open
1568         Buffer * buf = theBufferList().getBuffer(lyxfile);
1569         if (buf) {
1570                 setBuffer(buf);
1571                 if (!closeBuffer()) {
1572                         message(_("Canceled."));
1573                         return;
1574                 }
1575         }
1576
1577         docstring const displaypath = makeDisplayPath(lyxfile.absFilename(), 30);
1578
1579         // if the file exists already, and we didn't do
1580         // -i lyx thefile.lyx, warn
1581         if (lyxfile.exists() && fullname != lyxfile) {
1582
1583                 docstring text = bformat(_("The document %1$s already exists.\n\n"
1584                         "Do you want to overwrite that document?"), displaypath);
1585                 int const ret = Alert::prompt(_("Overwrite document?"),
1586                         text, 0, 1, _("&Overwrite"), _("&Cancel"));
1587
1588                 if (ret == 1) {
1589                         message(_("Canceled."));
1590                         return;
1591                 }
1592         }
1593
1594         message(bformat(_("Importing %1$s..."), displaypath));
1595         ErrorList errorList;
1596         if (import(this, fullname, format, errorList))
1597                 message(_("imported."));
1598         else
1599                 message(_("file not imported!"));
1600
1601         // FIXME (Abdel 12/08/06): Is there a need to display the error list here?
1602 }
1603
1604
1605 void GuiView::newDocument(string const & filename, bool from_template)
1606 {
1607         FileName initpath(lyxrc.document_path);
1608         Buffer * buf = buffer();
1609         if (buf) {
1610                 FileName const trypath(buf->filePath());
1611                 // If directory is writeable, use this as default.
1612                 if (trypath.isDirWritable())
1613                         initpath = trypath;
1614         }
1615
1616         string templatefile = from_template ?
1617                 selectTemplateFile().absFilename() : string();
1618         Buffer * b;
1619         if (filename.empty())
1620                 b = newUnnamedFile(templatefile, initpath);
1621         else
1622                 b = newFile(filename, templatefile, true);
1623
1624         if (b)
1625                 setBuffer(b);
1626         // Ensure the cursor is correctly positionned on screen.
1627         if (view())
1628                 view()->showCursor();
1629 }
1630
1631
1632 void GuiView::insertLyXFile(docstring const & fname)
1633 {
1634         BufferView * bv = view();
1635         if (!bv)
1636                 return;
1637
1638         // FIXME UNICODE
1639         FileName filename(to_utf8(fname));
1640
1641         if (!filename.empty()) {
1642                 bv->insertLyXFile(filename);
1643                 return;
1644         }
1645
1646         // Launch a file browser
1647         // FIXME UNICODE
1648         string initpath = lyxrc.document_path;
1649         string const trypath = bv->buffer().filePath();
1650         // If directory is writeable, use this as default.
1651         if (FileName(trypath).isDirWritable())
1652                 initpath = trypath;
1653
1654         // FIXME UNICODE
1655         FileDialog dlg(qt_("Select LyX document to insert"), LFUN_FILE_INSERT);
1656         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1657         dlg.setButton2(qt_("Examples|#E#e"),
1658                 toqstr(addPath(package().system_support().absFilename(),
1659                 "examples")));
1660
1661         FileDialog::Result result = dlg.open(toqstr(initpath),
1662                              QStringList(qt_("LyX Documents (*.lyx)")));
1663
1664         if (result.first == FileDialog::Later)
1665                 return;
1666
1667         // FIXME UNICODE
1668         filename.set(fromqstr(result.second));
1669
1670         // check selected filename
1671         if (filename.empty()) {
1672                 // emit message signal.
1673                 message(_("Canceled."));
1674                 return;
1675         }
1676
1677         bv->insertLyXFile(filename);
1678 }
1679
1680
1681 void GuiView::insertPlaintextFile(docstring const & fname,
1682         bool asParagraph)
1683 {
1684         BufferView * bv = view();
1685         if (!bv)
1686                 return;
1687
1688         // FIXME UNICODE
1689         FileName filename(to_utf8(fname));
1690
1691         if (!filename.empty()) {
1692                 bv->insertPlaintextFile(filename, asParagraph);
1693                 return;
1694         }
1695
1696         FileDialog dlg(qt_("Select file to insert"), (asParagraph ?
1697                 LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT));
1698
1699         FileDialog::Result result = dlg.open(toqstr(bv->buffer().filePath()),
1700                 QStringList());
1701
1702         if (result.first == FileDialog::Later)
1703                 return;
1704
1705         // FIXME UNICODE
1706         filename.set(fromqstr(result.second));
1707
1708         // check selected filename
1709         if (filename.empty()) {
1710                 // emit message signal.
1711                 message(_("Canceled."));
1712                 return;
1713         }
1714
1715         bv->insertPlaintextFile(filename, asParagraph);
1716 }
1717
1718
1719 bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
1720 {
1721         FileName fname = b.fileName();
1722         FileName const oldname = fname;
1723
1724         if (!newname.empty()) {
1725                 // FIXME UNICODE
1726                 fname = support::makeAbsPath(to_utf8(newname), oldname.onlyPath().absFilename());
1727         } else {
1728                 // Switch to this Buffer.
1729                 setBuffer(&b);
1730
1731                 /// No argument? Ask user through dialog.
1732                 // FIXME UNICODE
1733                 FileDialog dlg(qt_("Choose a filename to save document as"),
1734                                    LFUN_BUFFER_WRITE_AS);
1735                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1736                 dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1737
1738                 if (!isLyXFilename(fname.absFilename()))
1739                         fname.changeExtension(".lyx");
1740
1741                 FileDialog::Result result =
1742                         dlg.save(toqstr(fname.onlyPath().absFilename()),
1743                                QStringList(qt_("LyX Documents (*.lyx)")),
1744                                      toqstr(fname.onlyFileName()));
1745
1746                 if (result.first == FileDialog::Later)
1747                         return false;
1748
1749                 fname.set(fromqstr(result.second));
1750
1751                 if (fname.empty())
1752                         return false;
1753
1754                 if (!isLyXFilename(fname.absFilename()))
1755                         fname.changeExtension(".lyx");
1756         }
1757
1758         if (FileName(fname).exists()) {
1759                 docstring const file = makeDisplayPath(fname.absFilename(), 30);
1760                 docstring text = bformat(_("The document %1$s already "
1761                                            "exists.\n\nDo you want to "
1762                                            "overwrite that document?"),
1763                                          file);
1764                 int const ret = Alert::prompt(_("Overwrite document?"),
1765                         text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
1766                 switch (ret) {
1767                 case 0: break;
1768                 case 1: return renameBuffer(b, docstring());
1769                 case 2: return false;
1770                 }
1771         }
1772
1773         // Ok, change the name of the buffer
1774         b.setFileName(fname.absFilename());
1775         b.markDirty();
1776         bool unnamed = b.isUnnamed();
1777         b.setUnnamed(false);
1778         b.saveCheckSum(fname);
1779
1780         if (!saveBuffer(b)) {
1781                 b.setFileName(oldname.absFilename());
1782                 b.setUnnamed(unnamed);
1783                 b.saveCheckSum(oldname);
1784                 return false;
1785         }
1786
1787         return true;
1788 }
1789
1790
1791 bool GuiView::saveBuffer(Buffer & b)
1792 {
1793         if (workArea(b) && workArea(b)->inDialogMode())
1794                 return true;
1795
1796         if (b.isUnnamed())
1797                 return renameBuffer(b, docstring());
1798
1799         if (b.save()) {
1800                 theSession().lastFiles().add(b.fileName());
1801                 return true;
1802         }
1803
1804         // Switch to this Buffer.
1805         setBuffer(&b);
1806
1807         // FIXME: we don't tell the user *WHY* the save failed !!
1808         docstring const file = makeDisplayPath(b.absFileName(), 30);
1809         docstring text = bformat(_("The document %1$s could not be saved.\n\n"
1810                                    "Do you want to rename the document and "
1811                                    "try again?"), file);
1812         int const ret = Alert::prompt(_("Rename and save?"),
1813                 text, 0, 2, _("&Rename"), _("&Retry"), _("&Cancel"));
1814         switch (ret) {
1815         case 0:
1816                 if (!renameBuffer(b, docstring()))
1817                         return false;
1818                 break;
1819         case 1:
1820                 break;
1821         case 2:
1822                 return false;
1823         }
1824
1825         return saveBuffer(b);
1826 }
1827
1828
1829 bool GuiView::closeBuffer()
1830 {
1831         Buffer * buf = buffer();
1832         return buf && closeBuffer(*buf);
1833 }
1834
1835
1836 bool GuiView::closeBuffer(Buffer & buf, bool tolastopened)
1837 {
1838         // goto bookmark to update bookmark pit.
1839         //FIXME: we should update only the bookmarks related to this buffer!
1840         LYXERR(Debug::DEBUG, "GuiView::closeBuffer()");
1841         for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
1842                 theLyXFunc().gotoBookmark(i+1, false, false);
1843
1844         if (buf.isClean() || buf.paragraphs().empty()) {
1845                 if (buf.masterBuffer() == &buf && tolastopened)
1846                         theSession().lastOpened().add(buf.fileName());
1847                 if (buf.parent())
1848                         // Don't close child documents.
1849                         removeWorkArea(currentMainWorkArea());
1850                 else
1851                         theBufferList().release(&buf);
1852                 return true;
1853         }
1854         // Switch to this Buffer.
1855         setBuffer(&buf);
1856
1857         docstring file;
1858         // FIXME: Unicode?
1859         if (buf.isUnnamed())
1860                 file = from_utf8(buf.fileName().onlyFileName());
1861         else
1862                 file = buf.fileName().displayName(30);
1863
1864         // Bring this window to top before asking questions.
1865         raise();
1866         activateWindow();
1867
1868         docstring const text = bformat(_("The document %1$s has unsaved changes."
1869                 "\n\nDo you want to save the document or discard the changes?"), file);
1870         int const ret = Alert::prompt(_("Save changed document?"),
1871                 text, 0, 2, _("&Save"), _("&Discard"), _("&Cancel"));
1872
1873         switch (ret) {
1874         case 0:
1875                 if (!saveBuffer(buf))
1876                         return false;
1877                 break;
1878         case 1:
1879                 // if we crash after this we could
1880                 // have no autosave file but I guess
1881                 // this is really improbable (Jug)
1882                 removeAutosaveFile(buf.absFileName());
1883                 break;
1884         case 2:
1885                 return false;
1886         }
1887
1888         // save file names to .lyx/session
1889         // if master/slave are both open, do not save slave since it
1890         // will be automatically loaded when the master is loaded
1891         if (buf.masterBuffer() == &buf && tolastopened)
1892                 theSession().lastOpened().add(buf.fileName());
1893
1894         if (buf.parent())
1895                 // Don't close child documents.
1896                 removeWorkArea(currentMainWorkArea());
1897         else
1898                 theBufferList().release(&buf);
1899
1900         return true;
1901 }
1902
1903
1904 bool GuiView::dispatch(FuncRequest const & cmd)
1905 {
1906         BufferView * bv = view();
1907         // By default we won't need any update.
1908         if (bv)
1909                 bv->cursor().updateFlags(Update::None);
1910         bool dispatched = true;
1911
1912         switch(cmd.action) {
1913                 case LFUN_BUFFER_IMPORT:
1914                         importDocument(to_utf8(cmd.argument()));
1915                         break;
1916
1917                 case LFUN_BUFFER_SWITCH:
1918                         setBuffer(theBufferList().getBuffer(FileName(to_utf8(cmd.argument()))));
1919                         break;
1920
1921                 case LFUN_BUFFER_NEXT:
1922                         setBuffer(theBufferList().next(buffer()));
1923                         break;
1924
1925                 case LFUN_BUFFER_PREVIOUS:
1926                         setBuffer(theBufferList().previous(buffer()));
1927                         break;
1928
1929                 case LFUN_COMMAND_EXECUTE: {
1930                         bool const show_it = cmd.argument() != "off";
1931                         // FIXME: this is a hack, "minibuffer" should not be
1932                         // hardcoded.
1933                         if (GuiToolbar * t = toolbar("minibuffer")) {
1934                                 t->setVisible(show_it);
1935                                 if (show_it && t->commandBuffer())
1936                                         t->commandBuffer()->setFocus();
1937                         }
1938                         break;
1939                 }
1940                 case LFUN_DROP_LAYOUTS_CHOICE:
1941                         if (d.layout_)
1942                                 d.layout_->showPopup();
1943                         break;
1944
1945                 case LFUN_MENU_OPEN:
1946                         if (QMenu * menu = guiApp->menus().menu(toqstr(cmd.argument()), *this))
1947                                 menu->exec(QCursor::pos());
1948                         break;
1949
1950                 case LFUN_FILE_INSERT:
1951                         insertLyXFile(cmd.argument());
1952                         break;
1953                 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1954                         insertPlaintextFile(cmd.argument(), true);
1955                         break;
1956
1957                 case LFUN_FILE_INSERT_PLAINTEXT:
1958                         insertPlaintextFile(cmd.argument(), false);
1959                         break;
1960
1961                 case LFUN_BUFFER_WRITE:
1962                         if (bv)
1963                                 saveBuffer(bv->buffer());
1964                         break;
1965
1966                 case LFUN_BUFFER_WRITE_AS:
1967                         if (bv)
1968                                 renameBuffer(bv->buffer(), cmd.argument());
1969                         break;
1970
1971                 case LFUN_BUFFER_WRITE_ALL: {
1972                         Buffer * first = theBufferList().first();
1973                         if (!first)
1974                                 break;
1975                         message(_("Saving all documents..."));
1976                         // We cannot use a for loop as the buffer list cycles.
1977                         Buffer * b = first;
1978                         do {
1979                                 if (!b->isClean()) {
1980                                         saveBuffer(*b);
1981                                         LYXERR(Debug::ACTION, "Saved " << b->absFileName());
1982                                 }
1983                                 b = theBufferList().next(b);
1984                         } while (b != first);
1985                         message(_("All documents saved."));
1986                         break;
1987                 }
1988
1989                 case LFUN_TOOLBAR_TOGGLE: {
1990                         string const name = cmd.getArg(0);
1991                         if (GuiToolbar * t = toolbar(name))
1992                                 t->toggle();
1993                         break;
1994                 }
1995
1996                 case LFUN_DIALOG_UPDATE: {
1997                         string const name = to_utf8(cmd.argument());
1998                         // Can only update a dialog connected to an existing inset
1999                         Inset * inset = getOpenInset(name);
2000                         if (inset) {
2001                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument());
2002                                 inset->dispatch(view()->cursor(), fr);
2003                         } else if (name == "paragraph") {
2004                                 lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
2005                         } else if (name == "prefs" || name == "document") {
2006                                 updateDialog(name, string());
2007                         }
2008                         break;
2009                 }
2010
2011                 case LFUN_DIALOG_TOGGLE: {
2012                         if (isDialogVisible(cmd.getArg(0)))
2013                                 dispatch(FuncRequest(LFUN_DIALOG_HIDE, cmd.argument()));
2014                         else
2015                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, cmd.argument()));
2016                         break;
2017                 }
2018
2019                 case LFUN_DIALOG_DISCONNECT_INSET:
2020                         disconnectDialog(to_utf8(cmd.argument()));
2021                         break;
2022
2023                 case LFUN_DIALOG_HIDE: {
2024                         guiApp->hideDialogs(to_utf8(cmd.argument()), 0);
2025                         break;
2026                 }
2027
2028                 case LFUN_DIALOG_SHOW: {
2029                         string const name = cmd.getArg(0);
2030                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2031
2032                         if (name == "character") {
2033                                 data = freefont2string();
2034                                 if (!data.empty())
2035                                         showDialog("character", data);
2036                         } else if (name == "latexlog") {
2037                                 Buffer::LogType type;
2038                                 string const logfile = buffer()->logName(&type);
2039                                 switch (type) {
2040                                 case Buffer::latexlog:
2041                                         data = "latex ";
2042                                         break;
2043                                 case Buffer::buildlog:
2044                                         data = "literate ";
2045                                         break;
2046                                 }
2047                                 data += Lexer::quoteString(logfile);
2048                                 showDialog("log", data);
2049                         } else if (name == "vclog") {
2050                                 string const data = "vc " +
2051                                         Lexer::quoteString(buffer()->lyxvc().getLogFile());
2052                                 showDialog("log", data);
2053                         } else if (name == "symbols") {
2054                                 data = bv->cursor().getEncoding()->name();
2055                                 if (!data.empty())
2056                                         showDialog("symbols", data);
2057                         // bug 5274
2058                         } else if (name == "prefs" && isFullScreen()) {
2059                                 FuncRequest fr(LFUN_INSET_INSERT, "fullscreen");
2060                                 lfunUiToggle(fr);
2061                                 showDialog("prefs", data);
2062                         } else
2063                                 showDialog(name, data);
2064                         break;
2065                 }
2066
2067                 case LFUN_INSET_APPLY: {
2068                         string const name = cmd.getArg(0);
2069                         Inset * inset = getOpenInset(name);
2070                         if (inset) {
2071                                 // put cursor in front of inset.
2072                                 if (!view()->setCursorFromInset(inset)) {
2073                                         LASSERT(false, break);
2074                                 }
2075
2076                                 // useful if we are called from a dialog.
2077                                 view()->cursor().beginUndoGroup();
2078                                 view()->cursor().recordUndo();
2079                                 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2080                                 inset->dispatch(view()->cursor(), fr);
2081                                 view()->cursor().endUndoGroup();
2082                         } else {
2083                                 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2084                                 lyx::dispatch(fr);
2085                         }
2086                         break;
2087                 }
2088
2089                 case LFUN_UI_TOGGLE:
2090                         lfunUiToggle(cmd);
2091                         // Make sure the keyboard focus stays in the work area.
2092                         setFocus();
2093                         break;
2094
2095                 case LFUN_SPLIT_VIEW:
2096                         if (Buffer * buf = buffer()) {
2097                                 string const orientation = cmd.getArg(0);
2098                                 d.splitter_->setOrientation(orientation == "vertical"
2099                                         ? Qt::Vertical : Qt::Horizontal);
2100                                 TabWorkArea * twa = addTabWorkArea();
2101                                 GuiWorkArea * wa = twa->addWorkArea(*buf, *this);
2102                                 setCurrentWorkArea(wa);
2103                         }
2104                         break;
2105
2106                 case LFUN_CLOSE_TAB_GROUP:
2107                         if (TabWorkArea * twa = d.currentTabWorkArea()) {
2108                                 delete twa;
2109                                 twa = d.currentTabWorkArea();
2110                                 // Switch to the next GuiWorkArea in the found TabWorkArea.
2111                                 if (twa) {
2112                                         // Make sure the work area is up to date.
2113                                         setCurrentWorkArea(twa->currentWorkArea());
2114                                 } else {
2115                                         setCurrentWorkArea(0);
2116                                 }
2117                         }
2118                         break;
2119
2120                 case LFUN_COMPLETION_INLINE:
2121                         if (d.current_work_area_)
2122                                 d.current_work_area_->completer().showInline();
2123                         break;
2124
2125                 case LFUN_COMPLETION_POPUP:
2126                         if (d.current_work_area_)
2127                                 d.current_work_area_->completer().showPopup();
2128                         break;
2129
2130
2131                 case LFUN_COMPLETION_COMPLETE:
2132                         if (d.current_work_area_)
2133                                 d.current_work_area_->completer().tab();
2134                         break;
2135
2136                 case LFUN_COMPLETION_CANCEL:
2137                         if (d.current_work_area_) {
2138                                 if (d.current_work_area_->completer().popupVisible())
2139                                         d.current_work_area_->completer().hidePopup();
2140                                 else
2141                                         d.current_work_area_->completer().hideInline();
2142                         }
2143                         break;
2144
2145                 case LFUN_COMPLETION_ACCEPT:
2146                         if (d.current_work_area_)
2147                                 d.current_work_area_->completer().activate();
2148                         break;
2149
2150
2151                 default:
2152                         dispatched = false;
2153                         break;
2154         }
2155
2156         // Part of automatic menu appearance feature.
2157         if (isFullScreen()) {
2158                 if (menuBar()->isVisible())
2159                         menuBar()->hide();
2160                 if (statusBar()->isVisible())
2161                         statusBar()->hide();
2162         }
2163
2164         return dispatched;
2165 }
2166
2167
2168 void GuiView::lfunUiToggle(FuncRequest const & cmd)
2169 {
2170         string const arg = cmd.getArg(0);
2171         if (arg == "scrollbar") {
2172                 // hide() is of no help
2173                 if (d.current_work_area_->verticalScrollBarPolicy() ==
2174                         Qt::ScrollBarAlwaysOff)
2175
2176                         d.current_work_area_->setVerticalScrollBarPolicy(
2177                                 Qt::ScrollBarAsNeeded);
2178                 else
2179                         d.current_work_area_->setVerticalScrollBarPolicy(
2180                                 Qt::ScrollBarAlwaysOff);
2181                 return;
2182         }
2183         if (arg == "statusbar") {
2184                 statusBar()->setVisible(!statusBar()->isVisible());
2185                 return;
2186         }
2187         if (arg == "menubar") {
2188                 menuBar()->setVisible(!menuBar()->isVisible());
2189                 return;
2190         }
2191 #if QT_VERSION >= 0x040300
2192         if (arg == "frame") {
2193                 int l, t, r, b;
2194                 getContentsMargins(&l, &t, &r, &b);
2195                 //are the frames in default state?
2196                 d.current_work_area_->setFrameStyle(QFrame::NoFrame);
2197                 if (l == 0) {
2198                         setContentsMargins(-2, -2, -2, -2);
2199                 } else {
2200                         setContentsMargins(0, 0, 0, 0);
2201                 }
2202                 return;
2203         }
2204 #endif
2205         if (arg == "fullscreen") {
2206                 toggleFullScreen();
2207                 return;
2208         }
2209
2210         message(bformat("LFUN_UI_TOGGLE " + _("%1$s unknown command!"), from_utf8(arg)));
2211 }
2212
2213
2214 void GuiView::toggleFullScreen()
2215 {
2216         if (isFullScreen()) {
2217                 for (int i = 0; i != d.splitter_->count(); ++i)
2218                         d.tabWorkArea(i)->setFullScreen(false);
2219 #if QT_VERSION >= 0x040300
2220                 setContentsMargins(0, 0, 0, 0);
2221 #endif
2222                 setWindowState(windowState() ^ Qt::WindowFullScreen);
2223                 restoreLayout();
2224                 menuBar()->show();
2225                 statusBar()->show();
2226         } else {
2227                 // bug 5274
2228                 hideDialogs("prefs", 0);
2229                 for (int i = 0; i != d.splitter_->count(); ++i)
2230                         d.tabWorkArea(i)->setFullScreen(true);
2231 #if QT_VERSION >= 0x040300
2232                 setContentsMargins(-2, -2, -2, -2);
2233 #endif
2234                 saveLayout();
2235                 setWindowState(windowState() ^ Qt::WindowFullScreen);
2236                 statusBar()->hide();
2237                 menuBar()->hide();
2238                 if (lyxrc.full_screen_toolbars) {
2239                         ToolbarMap::iterator end = d.toolbars_.end();
2240                         for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
2241                                 it->second->hide();
2242                 }
2243         }
2244
2245         // give dialogs like the TOC a chance to adapt
2246         updateDialogs();
2247 }
2248
2249
2250 Buffer const * GuiView::updateInset(Inset const * inset)
2251 {
2252         if (!d.current_work_area_)
2253                 return 0;
2254
2255         if (inset)
2256                 d.current_work_area_->scheduleRedraw();
2257
2258         return &d.current_work_area_->bufferView().buffer();
2259 }
2260
2261
2262 void GuiView::restartCursor()
2263 {
2264         /* When we move around, or type, it's nice to be able to see
2265          * the cursor immediately after the keypress.
2266          */
2267         if (d.current_work_area_)
2268                 d.current_work_area_->startBlinkingCursor();
2269
2270         // Take this occasion to update the other GUI elements.
2271         updateDialogs();
2272         updateStatusBar();
2273 }
2274
2275
2276 void GuiView::updateCompletion(Cursor & cur, bool start, bool keep)
2277 {
2278         if (d.current_work_area_)
2279                 d.current_work_area_->completer().updateVisibility(cur, start, keep);
2280 }
2281
2282 namespace {
2283
2284 // This list should be kept in sync with the list of insets in
2285 // src/insets/Inset.cpp.  I.e., if a dialog goes with an inset, the
2286 // dialog should have the same name as the inset.
2287 // Changes should be also recorded in LFUN_DIALOG_SHOW doxygen
2288 // docs in LyXAction.cpp.
2289
2290 char const * const dialognames[] = {
2291 "aboutlyx", "bibitem", "bibtex", "box", "branch", "changes", "character",
2292 "citation", "document", "errorlist", "ert", "external", "file",
2293 "findreplace", "float", "graphics", "include", "index", "info", "nomenclature", "label", "log",
2294 "mathdelimiter", "mathmatrix", "mathspace", "note", "paragraph", "prefs", "print",
2295 "ref", "sendto", "space", "spellchecker", "symbols", "tabular", "tabularcreate",
2296
2297 #ifdef HAVE_LIBAIKSAURUS
2298 "thesaurus",
2299 #endif
2300
2301 "texinfo", "toc", "href", "view-source", "vspace", "wrap", "listings", "findreplaceadv" };
2302
2303 char const * const * const end_dialognames =
2304         dialognames + (sizeof(dialognames) / sizeof(char *));
2305
2306 class cmpCStr {
2307 public:
2308         cmpCStr(char const * name) : name_(name) {}
2309         bool operator()(char const * other) {
2310                 return strcmp(other, name_) == 0;
2311         }
2312 private:
2313         char const * name_;
2314 };
2315
2316
2317 bool isValidName(string const & name)
2318 {
2319         return find_if(dialognames, end_dialognames,
2320                             cmpCStr(name.c_str())) != end_dialognames;
2321 }
2322
2323 } // namespace anon
2324
2325
2326 void GuiView::resetDialogs()
2327 {
2328         // Make sure that no LFUN uses any LyXView.
2329         theLyXFunc().setLyXView(0);
2330         saveLayout();
2331         menuBar()->clear();
2332         constructToolbars();
2333         guiApp->menus().fillMenuBar(menuBar(), this, false);
2334         if (d.layout_)
2335                 d.layout_->updateContents(true);
2336         // Now update controls with current buffer.
2337         theLyXFunc().setLyXView(this);
2338         restoreLayout();
2339         restartCursor();
2340 }
2341
2342
2343 Dialog * GuiView::findOrBuild(string const & name, bool hide_it)
2344 {
2345         if (!isValidName(name))
2346                 return 0;
2347
2348         map<string, DialogPtr>::iterator it = d.dialogs_.find(name);
2349
2350         if (it != d.dialogs_.end()) {
2351                 if (hide_it)
2352                         it->second->hideView();
2353                 return it->second.get();
2354         }
2355
2356         Dialog * dialog = build(name);
2357         d.dialogs_[name].reset(dialog);
2358         if (lyxrc.allow_geometry_session)
2359                 dialog->restoreSession();
2360         if (hide_it)
2361                 dialog->hideView();
2362         return dialog;
2363 }
2364
2365
2366 void GuiView::showDialog(string const & name, string const & data,
2367         Inset * inset)
2368 {
2369         if (d.in_show_)
2370                 return;
2371
2372         d.in_show_ = true;
2373         try {
2374                 Dialog * dialog = findOrBuild(name, false);
2375                 if (dialog) {
2376                         dialog->showData(data);
2377                         if (inset)
2378                                 d.open_insets_[name] = inset;
2379                 }
2380         }
2381         catch (ExceptionMessage const & ex) {
2382                 d.in_show_ = false;
2383                 throw ex;
2384         }
2385         d.in_show_ = false;
2386 }
2387
2388
2389 bool GuiView::isDialogVisible(string const & name) const
2390 {
2391         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
2392         if (it == d.dialogs_.end())
2393                 return false;
2394         return it->second.get()->isVisibleView();
2395 }
2396
2397
2398 void GuiView::hideDialog(string const & name, Inset * inset)
2399 {
2400         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
2401         if (it == d.dialogs_.end())
2402                 return;
2403
2404         if (inset && inset != getOpenInset(name))
2405                 return;
2406
2407         Dialog * const dialog = it->second.get();
2408         if (dialog->isVisibleView())
2409                 dialog->hideView();
2410         d.open_insets_[name] = 0;
2411 }
2412
2413
2414 void GuiView::disconnectDialog(string const & name)
2415 {
2416         if (!isValidName(name))
2417                 return;
2418
2419         if (d.open_insets_.find(name) != d.open_insets_.end())
2420                 d.open_insets_[name] = 0;
2421 }
2422
2423
2424 Inset * GuiView::getOpenInset(string const & name) const
2425 {
2426         if (!isValidName(name))
2427                 return 0;
2428
2429         map<string, Inset *>::const_iterator it = d.open_insets_.find(name);
2430         return it == d.open_insets_.end() ? 0 : it->second;
2431 }
2432
2433
2434 void GuiView::hideAll() const
2435 {
2436         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
2437         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
2438
2439         for(; it != end; ++it)
2440                 it->second->hideView();
2441 }
2442
2443
2444 void GuiView::updateDialogs()
2445 {
2446         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
2447         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
2448
2449         for(; it != end; ++it) {
2450                 Dialog * dialog = it->second.get();
2451                 if (dialog && dialog->isVisibleView())
2452                         dialog->checkStatus();
2453         }
2454         updateToolbars();
2455         updateLayoutList();
2456 }
2457
2458
2459 // will be replaced by a proper factory...
2460 Dialog * createGuiAbout(GuiView & lv);
2461 Dialog * createGuiBibitem(GuiView & lv);
2462 Dialog * createGuiBibtex(GuiView & lv);
2463 Dialog * createGuiBox(GuiView & lv);
2464 Dialog * createGuiBranch(GuiView & lv);
2465 Dialog * createGuiChanges(GuiView & lv);
2466 Dialog * createGuiCharacter(GuiView & lv);
2467 Dialog * createGuiCitation(GuiView & lv);
2468 Dialog * createGuiDelimiter(GuiView & lv);
2469 Dialog * createGuiDocument(GuiView & lv);
2470 Dialog * createGuiErrorList(GuiView & lv);
2471 Dialog * createGuiERT(GuiView & lv);
2472 Dialog * createGuiExternal(GuiView & lv);
2473 Dialog * createGuiFloat(GuiView & lv);
2474 Dialog * createGuiGraphics(GuiView & lv);
2475 Dialog * createGuiInclude(GuiView & lv);
2476 Dialog * createGuiInfo(GuiView & lv);
2477 Dialog * createGuiLabel(GuiView & lv);
2478 Dialog * createGuiListings(GuiView & lv);
2479 Dialog * createGuiLog(GuiView & lv);
2480 Dialog * createGuiMathHSpace(GuiView & lv);
2481 Dialog * createGuiMathMatrix(GuiView & lv);
2482 Dialog * createGuiNomenclature(GuiView & lv);
2483 Dialog * createGuiNote(GuiView & lv);
2484 Dialog * createGuiParagraph(GuiView & lv);
2485 Dialog * createGuiPreferences(GuiView & lv);
2486 Dialog * createGuiPrint(GuiView & lv);
2487 Dialog * createGuiRef(GuiView & lv);
2488 Dialog * createGuiSearch(GuiView & lv);
2489 Dialog * createGuiSearchAdv(GuiView & lv);
2490 Dialog * createGuiSendTo(GuiView & lv);
2491 Dialog * createGuiShowFile(GuiView & lv);
2492 Dialog * createGuiSpellchecker(GuiView & lv);
2493 Dialog * createGuiSymbols(GuiView & lv);
2494 Dialog * createGuiTabularCreate(GuiView & lv);
2495 Dialog * createGuiTabular(GuiView & lv);
2496 Dialog * createGuiTexInfo(GuiView & lv);
2497 Dialog * createGuiTextHSpace(GuiView & lv);
2498 Dialog * createGuiToc(GuiView & lv);
2499 Dialog * createGuiThesaurus(GuiView & lv);
2500 Dialog * createGuiHyperlink(GuiView & lv);
2501 Dialog * createGuiVSpace(GuiView & lv);
2502 Dialog * createGuiViewSource(GuiView & lv);
2503 Dialog * createGuiWrap(GuiView & lv);
2504
2505
2506 Dialog * GuiView::build(string const & name)
2507 {
2508         LASSERT(isValidName(name), return 0);
2509
2510         if (name == "aboutlyx")
2511                 return createGuiAbout(*this);
2512         if (name == "bibitem")
2513                 return createGuiBibitem(*this);
2514         if (name == "bibtex")
2515                 return createGuiBibtex(*this);
2516         if (name == "box")
2517                 return createGuiBox(*this);
2518         if (name == "branch")
2519                 return createGuiBranch(*this);
2520         if (name == "changes")
2521                 return createGuiChanges(*this);
2522         if (name == "character")
2523                 return createGuiCharacter(*this);
2524         if (name == "citation")
2525                 return createGuiCitation(*this);
2526         if (name == "document")
2527                 return createGuiDocument(*this);
2528         if (name == "errorlist")
2529                 return createGuiErrorList(*this);
2530         if (name == "ert")
2531                 return createGuiERT(*this);
2532         if (name == "external")
2533                 return createGuiExternal(*this);
2534         if (name == "file")
2535                 return createGuiShowFile(*this);
2536         if (name == "findreplace")
2537                 return createGuiSearch(*this);
2538         if (name == "findreplaceadv")
2539                 return createGuiSearchAdv(*this);
2540         if (name == "float")
2541                 return createGuiFloat(*this);
2542         if (name == "graphics")
2543                 return createGuiGraphics(*this);
2544         if (name == "include")
2545                 return createGuiInclude(*this);
2546         if (name == "info")
2547                 return createGuiInfo(*this);
2548         if (name == "nomenclature")
2549                 return createGuiNomenclature(*this);
2550         if (name == "label")
2551                 return createGuiLabel(*this);
2552         if (name == "log")
2553                 return createGuiLog(*this);
2554         if (name == "view-source")
2555                 return createGuiViewSource(*this);
2556         if (name == "mathdelimiter")
2557                 return createGuiDelimiter(*this);
2558         if (name == "mathspace")
2559                 return createGuiMathHSpace(*this);
2560         if (name == "mathmatrix")
2561                 return createGuiMathMatrix(*this);
2562         if (name == "note")
2563                 return createGuiNote(*this);
2564         if (name == "paragraph")
2565                 return createGuiParagraph(*this);
2566         if (name == "prefs")
2567                 return createGuiPreferences(*this);
2568         if (name == "print")
2569                 return createGuiPrint(*this);
2570         if (name == "ref")
2571                 return createGuiRef(*this);
2572         if (name == "sendto")
2573                 return createGuiSendTo(*this);
2574         if (name == "space")
2575                 return createGuiTextHSpace(*this);
2576         if (name == "spellchecker")
2577                 return createGuiSpellchecker(*this);
2578         if (name == "symbols")
2579                 return createGuiSymbols(*this);
2580         if (name == "tabular")
2581                 return createGuiTabular(*this);
2582         if (name == "tabularcreate")
2583                 return createGuiTabularCreate(*this);
2584         if (name == "texinfo")
2585                 return createGuiTexInfo(*this);
2586 #ifdef HAVE_LIBAIKSAURUS
2587         if (name == "thesaurus")
2588                 return createGuiThesaurus(*this);
2589 #endif
2590         if (name == "toc")
2591                 return createGuiToc(*this);
2592         if (name == "href")
2593                 return createGuiHyperlink(*this);
2594         if (name == "vspace")
2595                 return createGuiVSpace(*this);
2596         if (name == "wrap")
2597                 return createGuiWrap(*this);
2598         if (name == "listings")
2599                 return createGuiListings(*this);
2600
2601         return 0;
2602 }
2603
2604
2605 } // namespace frontend
2606 } // namespace lyx
2607
2608 #include "moc_GuiView.cpp"