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                 FileDialog::Result result =
1399                         dlg.open(toqstr(initpath), filter);
1400
1401                 if (result.first == FileDialog::Later)
1402                         return;
1403
1404                 filename = fromqstr(result.second);
1405
1406                 // check selected filename
1407                 if (filename.empty()) {
1408                         message(_("Canceled."));
1409                         return;
1410                 }
1411         } else
1412                 filename = fname;
1413
1414         // get absolute path of file and add ".lyx" to the filename if
1415         // necessary.
1416         FileName const fullname =
1417                         fileSearch(string(), filename, "lyx", support::may_not_exist);
1418         if (!fullname.empty())
1419                 filename = fullname.absFilename();
1420
1421         if (!fullname.onlyPath().isDirectory()) {
1422                 Alert::warning(_("Invalid filename"),
1423                                 bformat(_("The directory in the given path\n%1$s\ndoes not exists."),
1424                                 from_utf8(fullname.absFilename())));
1425                 return;
1426         }
1427         // if the file doesn't exist, let the user create one
1428         if (!fullname.exists()) {
1429                 // the user specifically chose this name. Believe him.
1430                 Buffer * const b = newFile(filename, string(), true);
1431                 if (b)
1432                         setBuffer(b);
1433                 return;
1434         }
1435
1436         docstring const disp_fn = makeDisplayPath(filename);
1437         message(bformat(_("Opening document %1$s..."), disp_fn));
1438
1439         docstring str2;
1440         Buffer * buf = loadDocument(fullname);
1441         if (buf) {
1442                 buf->updateLabels();
1443                 setBuffer(buf);
1444                 buf->errors("Parse");
1445                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1446                 if (buf->lyxvc().inUse())
1447                         str2 += " " + from_utf8(buf->lyxvc().versionString()) +
1448                                 " " + _("Version control detected.");
1449         } else {
1450                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1451         }
1452         message(str2);
1453 }
1454
1455 // FIXME: clean that
1456 static bool import(GuiView * lv, FileName const & filename,
1457         string const & format, ErrorList & errorList)
1458 {
1459         FileName const lyxfile(support::changeExtension(filename.absFilename(), ".lyx"));
1460
1461         string loader_format;
1462         vector<string> loaders = theConverters().loaders();
1463         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
1464                 for (vector<string>::const_iterator it = loaders.begin();
1465                      it != loaders.end(); ++it) {
1466                         if (!theConverters().isReachable(format, *it))
1467                                 continue;
1468
1469                         string const tofile =
1470                                 support::changeExtension(filename.absFilename(),
1471                                 formats.extension(*it));
1472                         if (!theConverters().convert(0, filename, FileName(tofile),
1473                                 filename, format, *it, errorList))
1474                                 return false;
1475                         loader_format = *it;
1476                         break;
1477                 }
1478                 if (loader_format.empty()) {
1479                         frontend::Alert::error(_("Couldn't import file"),
1480                                      bformat(_("No information for importing the format %1$s."),
1481                                          formats.prettyName(format)));
1482                         return false;
1483                 }
1484         } else
1485                 loader_format = format;
1486
1487         if (loader_format == "lyx") {
1488                 Buffer * buf = lv->loadDocument(lyxfile);
1489                 if (!buf)
1490                         return false;
1491                 buf->updateLabels();
1492                 lv->setBuffer(buf);
1493                 buf->errors("Parse");
1494         } else {
1495                 Buffer * const b = newFile(lyxfile.absFilename(), string(), true);
1496                 if (!b)
1497                         return false;
1498                 lv->setBuffer(b);
1499                 bool as_paragraphs = loader_format == "textparagraph";
1500                 string filename2 = (loader_format == format) ? filename.absFilename()
1501                         : support::changeExtension(filename.absFilename(),
1502                                           formats.extension(loader_format));
1503                 lv->view()->insertPlaintextFile(FileName(filename2), as_paragraphs);
1504                 theLyXFunc().setLyXView(lv);
1505                 lyx::dispatch(FuncRequest(LFUN_MARK_OFF));
1506         }
1507
1508         return true;
1509 }
1510
1511
1512 void GuiView::importDocument(string const & argument)
1513 {
1514         string format;
1515         string filename = split(argument, format, ' ');
1516
1517         LYXERR(Debug::INFO, format << " file: " << filename);
1518
1519         // need user interaction
1520         if (filename.empty()) {
1521                 string initpath = lyxrc.document_path;
1522
1523                 Buffer const * buf = buffer();
1524                 if (buf) {
1525                         string const trypath = buf->filePath();
1526                         // If directory is writeable, use this as default.
1527                         if (FileName(trypath).isDirWritable())
1528                                 initpath = trypath;
1529                 }
1530
1531                 docstring const text = bformat(_("Select %1$s file to import"),
1532                         formats.prettyName(format));
1533
1534                 FileDialog dlg(toqstr(text), LFUN_BUFFER_IMPORT);
1535                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1536                 dlg.setButton2(qt_("Examples|#E#e"),
1537                         toqstr(addPath(package().system_support().absFilename(), "examples")));
1538
1539                 docstring filter = formats.prettyName(format);
1540                 filter += " (*.";
1541                 // FIXME UNICODE
1542                 filter += from_utf8(formats.extension(format));
1543                 filter += ')';
1544
1545                 FileDialog::Result result =
1546                         dlg.open(toqstr(initpath), fileFilters(toqstr(filter)));
1547
1548                 if (result.first == FileDialog::Later)
1549                         return;
1550
1551                 filename = fromqstr(result.second);
1552
1553                 // check selected filename
1554                 if (filename.empty())
1555                         message(_("Canceled."));
1556         }
1557
1558         if (filename.empty())
1559                 return;
1560
1561         // get absolute path of file
1562         FileName const fullname(support::makeAbsPath(filename));
1563
1564         FileName const lyxfile(support::changeExtension(fullname.absFilename(), ".lyx"));
1565
1566         // Check if the document already is open
1567         Buffer * buf = theBufferList().getBuffer(lyxfile);
1568         if (buf) {
1569                 setBuffer(buf);
1570                 if (!closeBuffer()) {
1571                         message(_("Canceled."));
1572                         return;
1573                 }
1574         }
1575
1576         docstring const displaypath = makeDisplayPath(lyxfile.absFilename(), 30);
1577
1578         // if the file exists already, and we didn't do
1579         // -i lyx thefile.lyx, warn
1580         if (lyxfile.exists() && fullname != lyxfile) {
1581
1582                 docstring text = bformat(_("The document %1$s already exists.\n\n"
1583                         "Do you want to overwrite that document?"), displaypath);
1584                 int const ret = Alert::prompt(_("Overwrite document?"),
1585                         text, 0, 1, _("&Overwrite"), _("&Cancel"));
1586
1587                 if (ret == 1) {
1588                         message(_("Canceled."));
1589                         return;
1590                 }
1591         }
1592
1593         message(bformat(_("Importing %1$s..."), displaypath));
1594         ErrorList errorList;
1595         if (import(this, fullname, format, errorList))
1596                 message(_("imported."));
1597         else
1598                 message(_("file not imported!"));
1599
1600         // FIXME (Abdel 12/08/06): Is there a need to display the error list here?
1601 }
1602
1603
1604 void GuiView::newDocument(string const & filename, bool from_template)
1605 {
1606         FileName initpath(lyxrc.document_path);
1607         Buffer * buf = buffer();
1608         if (buf) {
1609                 FileName const trypath(buf->filePath());
1610                 // If directory is writeable, use this as default.
1611                 if (trypath.isDirWritable())
1612                         initpath = trypath;
1613         }
1614
1615         string templatefile = from_template ?
1616                 selectTemplateFile().absFilename() : string();
1617         Buffer * b;
1618         if (filename.empty())
1619                 b = newUnnamedFile(templatefile, initpath);
1620         else
1621                 b = newFile(filename, templatefile, true);
1622
1623         if (b)
1624                 setBuffer(b);
1625         // Ensure the cursor is correctly positionned on screen.
1626         view()->showCursor();
1627 }
1628
1629
1630 void GuiView::insertLyXFile(docstring const & fname)
1631 {
1632         BufferView * bv = view();
1633         if (!bv)
1634                 return;
1635
1636         // FIXME UNICODE
1637         FileName filename(to_utf8(fname));
1638
1639         if (!filename.empty()) {
1640                 bv->insertLyXFile(filename);
1641                 return;
1642         }
1643
1644         // Launch a file browser
1645         // FIXME UNICODE
1646         string initpath = lyxrc.document_path;
1647         string const trypath = bv->buffer().filePath();
1648         // If directory is writeable, use this as default.
1649         if (FileName(trypath).isDirWritable())
1650                 initpath = trypath;
1651
1652         // FIXME UNICODE
1653         FileDialog dlg(qt_("Select LyX document to insert"), LFUN_FILE_INSERT);
1654         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1655         dlg.setButton2(qt_("Examples|#E#e"),
1656                 toqstr(addPath(package().system_support().absFilename(),
1657                 "examples")));
1658
1659         FileDialog::Result result = dlg.open(toqstr(initpath),
1660                              QStringList(qt_("LyX Documents (*.lyx)")));
1661
1662         if (result.first == FileDialog::Later)
1663                 return;
1664
1665         // FIXME UNICODE
1666         filename.set(fromqstr(result.second));
1667
1668         // check selected filename
1669         if (filename.empty()) {
1670                 // emit message signal.
1671                 message(_("Canceled."));
1672                 return;
1673         }
1674
1675         bv->insertLyXFile(filename);
1676 }
1677
1678
1679 void GuiView::insertPlaintextFile(docstring const & fname,
1680         bool asParagraph)
1681 {
1682         BufferView * bv = view();
1683         if (!bv)
1684                 return;
1685
1686         // FIXME UNICODE
1687         FileName filename(to_utf8(fname));
1688
1689         if (!filename.empty()) {
1690                 bv->insertPlaintextFile(filename, asParagraph);
1691                 return;
1692         }
1693
1694         FileDialog dlg(qt_("Select file to insert"), (asParagraph ?
1695                 LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT));
1696
1697         FileDialog::Result result = dlg.open(toqstr(bv->buffer().filePath()),
1698                 QStringList());
1699
1700         if (result.first == FileDialog::Later)
1701                 return;
1702
1703         // FIXME UNICODE
1704         filename.set(fromqstr(result.second));
1705
1706         // check selected filename
1707         if (filename.empty()) {
1708                 // emit message signal.
1709                 message(_("Canceled."));
1710                 return;
1711         }
1712
1713         bv->insertPlaintextFile(filename, asParagraph);
1714 }
1715
1716
1717 bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
1718 {
1719         FileName fname = b.fileName();
1720         FileName const oldname = fname;
1721
1722         if (!newname.empty()) {
1723                 // FIXME UNICODE
1724                 fname = support::makeAbsPath(to_utf8(newname), oldname.onlyPath().absFilename());
1725         } else {
1726                 // Switch to this Buffer.
1727                 setBuffer(&b);
1728
1729                 /// No argument? Ask user through dialog.
1730                 // FIXME UNICODE
1731                 FileDialog dlg(qt_("Choose a filename to save document as"),
1732                                    LFUN_BUFFER_WRITE_AS);
1733                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1734                 dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1735
1736                 if (!isLyXFilename(fname.absFilename()))
1737                         fname.changeExtension(".lyx");
1738
1739                 FileDialog::Result result =
1740                         dlg.save(toqstr(fname.onlyPath().absFilename()),
1741                                QStringList(qt_("LyX Documents (*.lyx)")),
1742                                      toqstr(fname.onlyFileName()));
1743
1744                 if (result.first == FileDialog::Later)
1745                         return false;
1746
1747                 fname.set(fromqstr(result.second));
1748
1749                 if (fname.empty())
1750                         return false;
1751
1752                 if (!isLyXFilename(fname.absFilename()))
1753                         fname.changeExtension(".lyx");
1754         }
1755
1756         if (FileName(fname).exists()) {
1757                 docstring const file = makeDisplayPath(fname.absFilename(), 30);
1758                 docstring text = bformat(_("The document %1$s already "
1759                                            "exists.\n\nDo you want to "
1760                                            "overwrite that document?"),
1761                                          file);
1762                 int const ret = Alert::prompt(_("Overwrite document?"),
1763                         text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
1764                 switch (ret) {
1765                 case 0: break;
1766                 case 1: return renameBuffer(b, docstring());
1767                 case 2: return false;
1768                 }
1769         }
1770
1771         // Ok, change the name of the buffer
1772         b.setFileName(fname.absFilename());
1773         b.markDirty();
1774         bool unnamed = b.isUnnamed();
1775         b.setUnnamed(false);
1776         b.saveCheckSum(fname);
1777
1778         if (!saveBuffer(b)) {
1779                 b.setFileName(oldname.absFilename());
1780                 b.setUnnamed(unnamed);
1781                 b.saveCheckSum(oldname);
1782                 return false;
1783         }
1784
1785         return true;
1786 }
1787
1788
1789 bool GuiView::saveBuffer(Buffer & b)
1790 {
1791         if (workArea(b) && workArea(b)->inDialogMode())
1792                 return true;
1793
1794         if (b.isUnnamed())
1795                 return renameBuffer(b, docstring());
1796
1797         if (b.save()) {
1798                 theSession().lastFiles().add(b.fileName());
1799                 return true;
1800         }
1801
1802         // Switch to this Buffer.
1803         setBuffer(&b);
1804
1805         // FIXME: we don't tell the user *WHY* the save failed !!
1806         docstring const file = makeDisplayPath(b.absFileName(), 30);
1807         docstring text = bformat(_("The document %1$s could not be saved.\n\n"
1808                                    "Do you want to rename the document and "
1809                                    "try again?"), file);
1810         int const ret = Alert::prompt(_("Rename and save?"),
1811                 text, 0, 2, _("&Rename"), _("&Retry"), _("&Cancel"));
1812         switch (ret) {
1813         case 0:
1814                 if (!renameBuffer(b, docstring()))
1815                         return false;
1816                 break;
1817         case 1:
1818                 break;
1819         case 2:
1820                 return false;
1821         }
1822
1823         return saveBuffer(b);
1824 }
1825
1826
1827 bool GuiView::closeBuffer()
1828 {
1829         Buffer * buf = buffer();
1830         return buf && closeBuffer(*buf);
1831 }
1832
1833
1834 bool GuiView::closeBuffer(Buffer & buf, bool tolastopened)
1835 {
1836         // goto bookmark to update bookmark pit.
1837         //FIXME: we should update only the bookmarks related to this buffer!
1838         LYXERR(Debug::DEBUG, "GuiView::closeBuffer()");
1839         for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
1840                 theLyXFunc().gotoBookmark(i+1, false, false);
1841
1842         if (buf.isClean() || buf.paragraphs().empty()) {
1843                 if (buf.masterBuffer() == &buf && tolastopened)
1844                         theSession().lastOpened().add(buf.fileName());
1845                 if (buf.parent())
1846                         // Don't close child documents.
1847                         removeWorkArea(currentMainWorkArea());
1848                 else
1849                         theBufferList().release(&buf);
1850                 return true;
1851         }
1852         // Switch to this Buffer.
1853         setBuffer(&buf);
1854
1855         docstring file;
1856         // FIXME: Unicode?
1857         if (buf.isUnnamed())
1858                 file = from_utf8(buf.fileName().onlyFileName());
1859         else
1860                 file = buf.fileName().displayName(30);
1861
1862         // Bring this window to top before asking questions.
1863         raise();
1864         activateWindow();
1865
1866         docstring const text = bformat(_("The document %1$s has unsaved changes."
1867                 "\n\nDo you want to save the document or discard the changes?"), file);
1868         int const ret = Alert::prompt(_("Save changed document?"),
1869                 text, 0, 2, _("&Save"), _("&Discard"), _("&Cancel"));
1870
1871         switch (ret) {
1872         case 0:
1873                 if (!saveBuffer(buf))
1874                         return false;
1875                 break;
1876         case 1:
1877                 // if we crash after this we could
1878                 // have no autosave file but I guess
1879                 // this is really improbable (Jug)
1880                 removeAutosaveFile(buf.absFileName());
1881                 break;
1882         case 2:
1883                 return false;
1884         }
1885
1886         // save file names to .lyx/session
1887         // if master/slave are both open, do not save slave since it
1888         // will be automatically loaded when the master is loaded
1889         if (buf.masterBuffer() == &buf && tolastopened)
1890                 theSession().lastOpened().add(buf.fileName());
1891
1892         if (buf.parent())
1893                 // Don't close child documents.
1894                 removeWorkArea(currentMainWorkArea());
1895         else
1896                 theBufferList().release(&buf);
1897
1898         return true;
1899 }
1900
1901
1902 bool GuiView::dispatch(FuncRequest const & cmd)
1903 {
1904         BufferView * bv = view();
1905         // By default we won't need any update.
1906         if (bv)
1907                 bv->cursor().updateFlags(Update::None);
1908         bool dispatched = true;
1909
1910         switch(cmd.action) {
1911                 case LFUN_BUFFER_IMPORT:
1912                         importDocument(to_utf8(cmd.argument()));
1913                         break;
1914
1915                 case LFUN_BUFFER_SWITCH:
1916                         setBuffer(theBufferList().getBuffer(FileName(to_utf8(cmd.argument()))));
1917                         break;
1918
1919                 case LFUN_BUFFER_NEXT:
1920                         setBuffer(theBufferList().next(buffer()));
1921                         break;
1922
1923                 case LFUN_BUFFER_PREVIOUS:
1924                         setBuffer(theBufferList().previous(buffer()));
1925                         break;
1926
1927                 case LFUN_COMMAND_EXECUTE: {
1928                         bool const show_it = cmd.argument() != "off";
1929                         // FIXME: this is a hack, "minibuffer" should not be
1930                         // hardcoded.
1931                         if (GuiToolbar * t = toolbar("minibuffer")) {
1932                                 t->setVisible(show_it);
1933                                 if (show_it && t->commandBuffer())
1934                                         t->commandBuffer()->setFocus();
1935                         }
1936                         break;
1937                 }
1938                 case LFUN_DROP_LAYOUTS_CHOICE:
1939                         if (d.layout_)
1940                                 d.layout_->showPopup();
1941                         break;
1942
1943                 case LFUN_MENU_OPEN:
1944                         if (QMenu * menu = guiApp->menus().menu(toqstr(cmd.argument()), *this))
1945                                 menu->exec(QCursor::pos());
1946                         break;
1947
1948                 case LFUN_FILE_INSERT:
1949                         insertLyXFile(cmd.argument());
1950                         break;
1951                 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1952                         insertPlaintextFile(cmd.argument(), true);
1953                         break;
1954
1955                 case LFUN_FILE_INSERT_PLAINTEXT:
1956                         insertPlaintextFile(cmd.argument(), false);
1957                         break;
1958
1959                 case LFUN_BUFFER_WRITE:
1960                         if (bv)
1961                                 saveBuffer(bv->buffer());
1962                         break;
1963
1964                 case LFUN_BUFFER_WRITE_AS:
1965                         if (bv)
1966                                 renameBuffer(bv->buffer(), cmd.argument());
1967                         break;
1968
1969                 case LFUN_BUFFER_WRITE_ALL: {
1970                         Buffer * first = theBufferList().first();
1971                         if (!first)
1972                                 break;
1973                         message(_("Saving all documents..."));
1974                         // We cannot use a for loop as the buffer list cycles.
1975                         Buffer * b = first;
1976                         do {
1977                                 if (!b->isClean()) {
1978                                         saveBuffer(*b);
1979                                         LYXERR(Debug::ACTION, "Saved " << b->absFileName());
1980                                 }
1981                                 b = theBufferList().next(b);
1982                         } while (b != first);
1983                         message(_("All documents saved."));
1984                         break;
1985                 }
1986
1987                 case LFUN_TOOLBAR_TOGGLE: {
1988                         string const name = cmd.getArg(0);
1989                         if (GuiToolbar * t = toolbar(name))
1990                                 t->toggle();
1991                         break;
1992                 }
1993
1994                 case LFUN_DIALOG_UPDATE: {
1995                         string const name = to_utf8(cmd.argument());
1996                         // Can only update a dialog connected to an existing inset
1997                         Inset * inset = getOpenInset(name);
1998                         if (inset) {
1999                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument());
2000                                 inset->dispatch(view()->cursor(), fr);
2001                         } else if (name == "paragraph") {
2002                                 lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
2003                         } else if (name == "prefs" || name == "document") {
2004                                 updateDialog(name, string());
2005                         }
2006                         break;
2007                 }
2008
2009                 case LFUN_DIALOG_TOGGLE: {
2010                         if (isDialogVisible(cmd.getArg(0)))
2011                                 dispatch(FuncRequest(LFUN_DIALOG_HIDE, cmd.argument()));
2012                         else
2013                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, cmd.argument()));
2014                         break;
2015                 }
2016
2017                 case LFUN_DIALOG_DISCONNECT_INSET:
2018                         disconnectDialog(to_utf8(cmd.argument()));
2019                         break;
2020
2021                 case LFUN_DIALOG_HIDE: {
2022                         guiApp->hideDialogs(to_utf8(cmd.argument()), 0);
2023                         break;
2024                 }
2025
2026                 case LFUN_DIALOG_SHOW: {
2027                         string const name = cmd.getArg(0);
2028                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2029
2030                         if (name == "character") {
2031                                 data = freefont2string();
2032                                 if (!data.empty())
2033                                         showDialog("character", data);
2034                         } else if (name == "latexlog") {
2035                                 Buffer::LogType type;
2036                                 string const logfile = buffer()->logName(&type);
2037                                 switch (type) {
2038                                 case Buffer::latexlog:
2039                                         data = "latex ";
2040                                         break;
2041                                 case Buffer::buildlog:
2042                                         data = "literate ";
2043                                         break;
2044                                 }
2045                                 data += Lexer::quoteString(logfile);
2046                                 showDialog("log", data);
2047                         } else if (name == "vclog") {
2048                                 string const data = "vc " +
2049                                         Lexer::quoteString(buffer()->lyxvc().getLogFile());
2050                                 showDialog("log", data);
2051                         } else if (name == "symbols") {
2052                                 data = bv->cursor().getEncoding()->name();
2053                                 if (!data.empty())
2054                                         showDialog("symbols", data);
2055                         // bug 5274
2056                         } else if (name == "prefs" && isFullScreen()) {
2057                                 FuncRequest fr(LFUN_INSET_INSERT, "fullscreen");
2058                                 lfunUiToggle(fr);
2059                                 showDialog("prefs", data);
2060                         } else
2061                                 showDialog(name, data);
2062                         break;
2063                 }
2064
2065                 case LFUN_INSET_APPLY: {
2066                         string const name = cmd.getArg(0);
2067                         Inset * inset = getOpenInset(name);
2068                         if (inset) {
2069                                 // put cursor in front of inset.
2070                                 if (!view()->setCursorFromInset(inset))
2071                                         LASSERT(false, break);
2072
2073                                 // useful if we are called from a dialog.
2074                                 view()->cursor().beginUndoGroup();
2075                                 view()->cursor().recordUndo();
2076                                 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2077                                 inset->dispatch(view()->cursor(), fr);
2078                                 view()->cursor().endUndoGroup();
2079                         } else {
2080                                 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2081                                 lyx::dispatch(fr);
2082                         }
2083                         break;
2084                 }
2085
2086                 case LFUN_UI_TOGGLE:
2087                         lfunUiToggle(cmd);
2088                         // Make sure the keyboard focus stays in the work area.
2089                         setFocus();
2090                         break;
2091
2092                 case LFUN_SPLIT_VIEW:
2093                         if (Buffer * buf = buffer()) {
2094                                 string const orientation = cmd.getArg(0);
2095                                 d.splitter_->setOrientation(orientation == "vertical"
2096                                         ? Qt::Vertical : Qt::Horizontal);
2097                                 TabWorkArea * twa = addTabWorkArea();
2098                                 GuiWorkArea * wa = twa->addWorkArea(*buf, *this);
2099                                 setCurrentWorkArea(wa);
2100                         }
2101                         break;
2102
2103                 case LFUN_CLOSE_TAB_GROUP:
2104                         if (TabWorkArea * twa = d.currentTabWorkArea()) {
2105                                 delete twa;
2106                                 twa = d.currentTabWorkArea();
2107                                 // Switch to the next GuiWorkArea in the found TabWorkArea.
2108                                 if (twa) {
2109                                         // Make sure the work area is up to date.
2110                                         setCurrentWorkArea(twa->currentWorkArea());
2111                                 } else {
2112                                         setCurrentWorkArea(0);
2113                                 }
2114                         }
2115                         break;
2116
2117                 case LFUN_COMPLETION_INLINE:
2118                         if (d.current_work_area_)
2119                                 d.current_work_area_->completer().showInline();
2120                         break;
2121
2122                 case LFUN_COMPLETION_POPUP:
2123                         if (d.current_work_area_)
2124                                 d.current_work_area_->completer().showPopup();
2125                         break;
2126
2127
2128                 case LFUN_COMPLETION_COMPLETE:
2129                         if (d.current_work_area_)
2130                                 d.current_work_area_->completer().tab();
2131                         break;
2132
2133                 case LFUN_COMPLETION_CANCEL:
2134                         if (d.current_work_area_) {
2135                                 if (d.current_work_area_->completer().popupVisible())
2136                                         d.current_work_area_->completer().hidePopup();
2137                                 else
2138                                         d.current_work_area_->completer().hideInline();
2139                         }
2140                         break;
2141
2142                 case LFUN_COMPLETION_ACCEPT:
2143                         if (d.current_work_area_)
2144                                 d.current_work_area_->completer().activate();
2145                         break;
2146
2147
2148                 default:
2149                         dispatched = false;
2150                         break;
2151         }
2152
2153         // Part of automatic menu appearance feature.
2154         if (isFullScreen()) {
2155                 if (menuBar()->isVisible())
2156                         menuBar()->hide();
2157                 if (statusBar()->isVisible())
2158                         statusBar()->hide();
2159         }
2160
2161         return dispatched;
2162 }
2163
2164
2165 void GuiView::lfunUiToggle(FuncRequest const & cmd)
2166 {
2167         string const arg = cmd.getArg(0);
2168         if (arg == "scrollbar") {
2169                 // hide() is of no help
2170                 if (d.current_work_area_->verticalScrollBarPolicy() ==
2171                         Qt::ScrollBarAlwaysOff)
2172
2173                         d.current_work_area_->setVerticalScrollBarPolicy(
2174                                 Qt::ScrollBarAsNeeded);
2175                 else
2176                         d.current_work_area_->setVerticalScrollBarPolicy(
2177                                 Qt::ScrollBarAlwaysOff);
2178                 return;
2179         }
2180         if (arg == "statusbar") {
2181                 statusBar()->setVisible(!statusBar()->isVisible());
2182                 return;
2183         }
2184         if (arg == "menubar") {
2185                 menuBar()->setVisible(!menuBar()->isVisible());
2186                 return;
2187         }
2188 #if QT_VERSION >= 0x040300
2189         if (arg == "frame") {
2190                 int l, t, r, b;
2191                 getContentsMargins(&l, &t, &r, &b);
2192                 //are the frames in default state?
2193                 d.current_work_area_->setFrameStyle(QFrame::NoFrame);
2194                 if (l == 0) {
2195                         setContentsMargins(-2, -2, -2, -2);
2196                 } else {
2197                         setContentsMargins(0, 0, 0, 0);
2198                 }
2199                 return;
2200         }
2201 #endif
2202         if (arg == "fullscreen") {
2203                 toggleFullScreen();
2204                 return;
2205         }
2206
2207         message(bformat("LFUN_UI_TOGGLE " + _("%1$s unknown command!"), from_utf8(arg)));
2208 }
2209
2210
2211 void GuiView::toggleFullScreen()
2212 {
2213         if (isFullScreen()) {
2214                 for (int i = 0; i != d.splitter_->count(); ++i)
2215                         d.tabWorkArea(i)->setFullScreen(false);
2216 #if QT_VERSION >= 0x040300
2217                 setContentsMargins(0, 0, 0, 0);
2218 #endif
2219                 setWindowState(windowState() ^ Qt::WindowFullScreen);
2220                 restoreLayout();
2221                 menuBar()->show();
2222                 statusBar()->show();
2223         } else {
2224                 // bug 5274
2225                 hideDialogs("prefs", 0);
2226                 for (int i = 0; i != d.splitter_->count(); ++i)
2227                         d.tabWorkArea(i)->setFullScreen(true);
2228 #if QT_VERSION >= 0x040300
2229                 setContentsMargins(-2, -2, -2, -2);
2230 #endif
2231                 saveLayout();
2232                 setWindowState(windowState() ^ Qt::WindowFullScreen);
2233                 statusBar()->hide();
2234                 menuBar()->hide();
2235                 if (lyxrc.full_screen_toolbars) {
2236                         ToolbarMap::iterator end = d.toolbars_.end();
2237                         for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
2238                                 it->second->hide();
2239                 }
2240         }
2241
2242         // give dialogs like the TOC a chance to adapt
2243         updateDialogs();
2244 }
2245
2246
2247 Buffer const * GuiView::updateInset(Inset const * inset)
2248 {
2249         if (!d.current_work_area_)
2250                 return 0;
2251
2252         if (inset)
2253                 d.current_work_area_->scheduleRedraw();
2254
2255         return &d.current_work_area_->bufferView().buffer();
2256 }
2257
2258
2259 void GuiView::restartCursor()
2260 {
2261         /* When we move around, or type, it's nice to be able to see
2262          * the cursor immediately after the keypress.
2263          */
2264         if (d.current_work_area_)
2265                 d.current_work_area_->startBlinkingCursor();
2266
2267         // Take this occasion to update the other GUI elements.
2268         updateDialogs();
2269         updateStatusBar();
2270 }
2271
2272
2273 void GuiView::updateCompletion(Cursor & cur, bool start, bool keep)
2274 {
2275         if (d.current_work_area_)
2276                 d.current_work_area_->completer().updateVisibility(cur, start, keep);
2277 }
2278
2279 namespace {
2280
2281 // This list should be kept in sync with the list of insets in
2282 // src/insets/Inset.cpp.  I.e., if a dialog goes with an inset, the
2283 // dialog should have the same name as the inset.
2284 // Changes should be also recorded in LFUN_DIALOG_SHOW doxygen
2285 // docs in LyXAction.cpp.
2286
2287 char const * const dialognames[] = {
2288 "aboutlyx", "bibitem", "bibtex", "box", "branch", "changes", "character",
2289 "citation", "document", "errorlist", "ert", "external", "file",
2290 "findreplace", "float", "graphics", "include", "index", "info", "nomenclature", "label", "log",
2291 "mathdelimiter", "mathmatrix", "note", "paragraph", "prefs", "print",
2292 "ref", "sendto", "space", "spellchecker", "symbols", "tabular", "tabularcreate",
2293
2294 #ifdef HAVE_LIBAIKSAURUS
2295 "thesaurus",
2296 #endif
2297
2298 "texinfo", "toc", "href", "view-source", "vspace", "wrap", "listings", "findreplaceadv" };
2299
2300 char const * const * const end_dialognames =
2301         dialognames + (sizeof(dialognames) / sizeof(char *));
2302
2303 class cmpCStr {
2304 public:
2305         cmpCStr(char const * name) : name_(name) {}
2306         bool operator()(char const * other) {
2307                 return strcmp(other, name_) == 0;
2308         }
2309 private:
2310         char const * name_;
2311 };
2312
2313
2314 bool isValidName(string const & name)
2315 {
2316         return find_if(dialognames, end_dialognames,
2317                             cmpCStr(name.c_str())) != end_dialognames;
2318 }
2319
2320 } // namespace anon
2321
2322
2323 void GuiView::resetDialogs()
2324 {
2325         // Make sure that no LFUN uses any LyXView.
2326         theLyXFunc().setLyXView(0);
2327         saveLayout();
2328         menuBar()->clear();
2329         constructToolbars();
2330         guiApp->menus().fillMenuBar(menuBar(), this, false);
2331         if (d.layout_)
2332                 d.layout_->updateContents(true);
2333         // Now update controls with current buffer.
2334         theLyXFunc().setLyXView(this);
2335         restoreLayout();
2336         restartCursor();
2337 }
2338
2339
2340 Dialog * GuiView::findOrBuild(string const & name, bool hide_it)
2341 {
2342         if (!isValidName(name))
2343                 return 0;
2344
2345         map<string, DialogPtr>::iterator it = d.dialogs_.find(name);
2346
2347         if (it != d.dialogs_.end()) {
2348                 if (hide_it)
2349                         it->second->hideView();
2350                 return it->second.get();
2351         }
2352
2353         Dialog * dialog = build(name);
2354         d.dialogs_[name].reset(dialog);
2355         if (lyxrc.allow_geometry_session)
2356                 dialog->restoreSession();
2357         if (hide_it)
2358                 dialog->hideView();
2359         return dialog;
2360 }
2361
2362
2363 void GuiView::showDialog(string const & name, string const & data,
2364         Inset * inset)
2365 {
2366         if (d.in_show_)
2367                 return;
2368
2369         d.in_show_ = true;
2370         try {
2371                 Dialog * dialog = findOrBuild(name, false);
2372                 if (dialog) {
2373                         dialog->showData(data);
2374                         if (inset)
2375                                 d.open_insets_[name] = inset;
2376                 }
2377         }
2378         catch (ExceptionMessage const & ex) {
2379                 d.in_show_ = false;
2380                 throw ex;
2381         }
2382         d.in_show_ = false;
2383 }
2384
2385
2386 bool GuiView::isDialogVisible(string const & name) const
2387 {
2388         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
2389         if (it == d.dialogs_.end())
2390                 return false;
2391         return it->second.get()->isVisibleView();
2392 }
2393
2394
2395 void GuiView::hideDialog(string const & name, Inset * inset)
2396 {
2397         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
2398         if (it == d.dialogs_.end())
2399                 return;
2400
2401         if (inset && inset != getOpenInset(name))
2402                 return;
2403
2404         Dialog * const dialog = it->second.get();
2405         if (dialog->isVisibleView())
2406                 dialog->hideView();
2407         d.open_insets_[name] = 0;
2408 }
2409
2410
2411 void GuiView::disconnectDialog(string const & name)
2412 {
2413         if (!isValidName(name))
2414                 return;
2415
2416         if (d.open_insets_.find(name) != d.open_insets_.end())
2417                 d.open_insets_[name] = 0;
2418 }
2419
2420
2421 Inset * GuiView::getOpenInset(string const & name) const
2422 {
2423         if (!isValidName(name))
2424                 return 0;
2425
2426         map<string, Inset *>::const_iterator it = d.open_insets_.find(name);
2427         return it == d.open_insets_.end() ? 0 : it->second;
2428 }
2429
2430
2431 void GuiView::hideAll() const
2432 {
2433         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
2434         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
2435
2436         for(; it != end; ++it)
2437                 it->second->hideView();
2438 }
2439
2440
2441 void GuiView::updateDialogs()
2442 {
2443         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
2444         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
2445
2446         for(; it != end; ++it) {
2447                 Dialog * dialog = it->second.get();
2448                 if (dialog && dialog->isVisibleView())
2449                         dialog->checkStatus();
2450         }
2451         updateToolbars();
2452         updateLayoutList();
2453 }
2454
2455
2456 // will be replaced by a proper factory...
2457 Dialog * createGuiAbout(GuiView & lv);
2458 Dialog * createGuiBibitem(GuiView & lv);
2459 Dialog * createGuiBibtex(GuiView & lv);
2460 Dialog * createGuiBox(GuiView & lv);
2461 Dialog * createGuiBranch(GuiView & lv);
2462 Dialog * createGuiChanges(GuiView & lv);
2463 Dialog * createGuiCharacter(GuiView & lv);
2464 Dialog * createGuiCitation(GuiView & lv);
2465 Dialog * createGuiDelimiter(GuiView & lv);
2466 Dialog * createGuiDocument(GuiView & lv);
2467 Dialog * createGuiErrorList(GuiView & lv);
2468 Dialog * createGuiERT(GuiView & lv);
2469 Dialog * createGuiExternal(GuiView & lv);
2470 Dialog * createGuiFloat(GuiView & lv);
2471 Dialog * createGuiGraphics(GuiView & lv);
2472 Dialog * createGuiHSpace(GuiView & lv);
2473 Dialog * createGuiInclude(GuiView & lv);
2474 Dialog * createGuiInfo(GuiView & lv);
2475 Dialog * createGuiLabel(GuiView & lv);
2476 Dialog * createGuiListings(GuiView & lv);
2477 Dialog * createGuiLog(GuiView & lv);
2478 Dialog * createGuiMathMatrix(GuiView & lv);
2479 Dialog * createGuiNomenclature(GuiView & lv);
2480 Dialog * createGuiNote(GuiView & lv);
2481 Dialog * createGuiParagraph(GuiView & lv);
2482 Dialog * createGuiPreferences(GuiView & lv);
2483 Dialog * createGuiPrint(GuiView & lv);
2484 Dialog * createGuiRef(GuiView & lv);
2485 Dialog * createGuiSearch(GuiView & lv);
2486 Dialog * createGuiSearchAdv(GuiView & lv);
2487 Dialog * createGuiSendTo(GuiView & lv);
2488 Dialog * createGuiShowFile(GuiView & lv);
2489 Dialog * createGuiSpellchecker(GuiView & lv);
2490 Dialog * createGuiSymbols(GuiView & lv);
2491 Dialog * createGuiTabularCreate(GuiView & lv);
2492 Dialog * createGuiTabular(GuiView & lv);
2493 Dialog * createGuiTexInfo(GuiView & lv);
2494 Dialog * createGuiToc(GuiView & lv);
2495 Dialog * createGuiThesaurus(GuiView & lv);
2496 Dialog * createGuiHyperlink(GuiView & lv);
2497 Dialog * createGuiVSpace(GuiView & lv);
2498 Dialog * createGuiViewSource(GuiView & lv);
2499 Dialog * createGuiWrap(GuiView & lv);
2500
2501
2502 Dialog * GuiView::build(string const & name)
2503 {
2504         LASSERT(isValidName(name), return 0);
2505
2506         if (name == "aboutlyx")
2507                 return createGuiAbout(*this);
2508         if (name == "bibitem")
2509                 return createGuiBibitem(*this);
2510         if (name == "bibtex")
2511                 return createGuiBibtex(*this);
2512         if (name == "box")
2513                 return createGuiBox(*this);
2514         if (name == "branch")
2515                 return createGuiBranch(*this);
2516         if (name == "changes")
2517                 return createGuiChanges(*this);
2518         if (name == "character")
2519                 return createGuiCharacter(*this);
2520         if (name == "citation")
2521                 return createGuiCitation(*this);
2522         if (name == "document")
2523                 return createGuiDocument(*this);
2524         if (name == "errorlist")
2525                 return createGuiErrorList(*this);
2526         if (name == "ert")
2527                 return createGuiERT(*this);
2528         if (name == "external")
2529                 return createGuiExternal(*this);
2530         if (name == "file")
2531                 return createGuiShowFile(*this);
2532         if (name == "findreplace")
2533                 return createGuiSearch(*this);
2534         if (name == "findreplaceadv")
2535                 return createGuiSearchAdv(*this);
2536         if (name == "float")
2537                 return createGuiFloat(*this);
2538         if (name == "graphics")
2539                 return createGuiGraphics(*this);
2540         if (name == "include")
2541                 return createGuiInclude(*this);
2542         if (name == "info")
2543                 return createGuiInfo(*this);
2544         if (name == "nomenclature")
2545                 return createGuiNomenclature(*this);
2546         if (name == "label")
2547                 return createGuiLabel(*this);
2548         if (name == "log")
2549                 return createGuiLog(*this);
2550         if (name == "view-source")
2551                 return createGuiViewSource(*this);
2552         if (name == "mathdelimiter")
2553                 return createGuiDelimiter(*this);
2554         if (name == "mathmatrix")
2555                 return createGuiMathMatrix(*this);
2556         if (name == "note")
2557                 return createGuiNote(*this);
2558         if (name == "paragraph")
2559                 return createGuiParagraph(*this);
2560         if (name == "prefs")
2561                 return createGuiPreferences(*this);
2562         if (name == "print")
2563                 return createGuiPrint(*this);
2564         if (name == "ref")
2565                 return createGuiRef(*this);
2566         if (name == "sendto")
2567                 return createGuiSendTo(*this);
2568         if (name == "space")
2569                 return createGuiHSpace(*this);
2570         if (name == "spellchecker")
2571                 return createGuiSpellchecker(*this);
2572         if (name == "symbols")
2573                 return createGuiSymbols(*this);
2574         if (name == "tabular")
2575                 return createGuiTabular(*this);
2576         if (name == "tabularcreate")
2577                 return createGuiTabularCreate(*this);
2578         if (name == "texinfo")
2579                 return createGuiTexInfo(*this);
2580 #ifdef HAVE_LIBAIKSAURUS
2581         if (name == "thesaurus")
2582                 return createGuiThesaurus(*this);
2583 #endif
2584         if (name == "toc")
2585                 return createGuiToc(*this);
2586         if (name == "href")
2587                 return createGuiHyperlink(*this);
2588         if (name == "vspace")
2589                 return createGuiVSpace(*this);
2590         if (name == "wrap")
2591                 return createGuiWrap(*this);
2592         if (name == "listings")
2593                 return createGuiListings(*this);
2594
2595         return 0;
2596 }
2597
2598
2599 } // namespace frontend
2600 } // namespace lyx
2601
2602 #include "moc_GuiView.cpp"