src/frontends/qt4/GuiView.cpp

   1 /**
   2  * \file GuiView.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author John Levon
   8  * \author Abdelrazak Younes
   9  * \author Peter Kümmel
  10  *
  11  * Full author contact details are available in file CREDITS.
  12  */
  13
  14 #include <config.h>
  15
  16 #include "GuiView.h"
  17
  18 #include "Dialog.h"
  19 #include "FileDialog.h"
  20 #include "GuiApplication.h"
  21 #include "GuiCommandBuffer.h"
  22 #include "GuiCompleter.h"
  23 #include "GuiWorkArea.h"
  24 #include "GuiKeySymbol.h"
  25 #include "GuiToolbar.h"
  26 #include "Menus.h"
  27 #include "TocModel.h"
  28
  29 #include "qt_helpers.h"
  30
  31 #include "frontends/alert.h"
  32
  33 #include "buffer_funcs.h"
  34 #include "Buffer.h"
  35 #include "BufferList.h"
  36 #include "BufferParams.h"
  37 #include "BufferView.h"
  38 #include "Converter.h"
  39 #include "Cursor.h"
  40 #include "Encoding.h"
  41 #include "ErrorList.h"
  42 #include "Format.h"
  43 #include "FuncStatus.h"
  44 #include "FuncRequest.h"
  45 #include "Intl.h"
  46 #include "Layout.h"
  47 #include "Lexer.h"
  48 #include "LyXFunc.h"
  49 #include "LyX.h"
  50 #include "LyXRC.h"
  51 #include "LyXVC.h"
  52 #include "Paragraph.h"
  53 #include "TextClass.h"
  54 #include "Text.h"
  55 #include "Toolbars.h"
  56 #include "version.h"
  57
  58 #include "support/lassert.h"
  59 #include "support/debug.h"
  60 #include "support/ExceptionMessage.h"
  61 #include "support/FileName.h"
  62 #include "support/filetools.h"
  63 #include "support/gettext.h"
  64 #include "support/ForkedCalls.h"
  65 #include "support/lstrings.h"
  66 #include "support/os.h"
  67 #include "support/Package.h"
  68 #include "support/Timeout.h"
  69
  70 #include <QAction>
  71 #include <QApplication>
  72 #include <QCloseEvent>
  73 #include <QDebug>
  74 #include <QDesktopWidget>
  75 #include <QDragEnterEvent>
  76 #include <QDropEvent>
  77 #include <QList>
  78 #include <QMenu>
  79 #include <QMenuBar>
  80 #include <QPainter>
  81 #include <QPixmap>
  82 #include <QPoint>
  83 #include <QPushButton>
  84 #include <QSettings>
  85 #include <QShowEvent>
  86 #include <QSplitter>
  87 #include <QStackedWidget>
  88 #include <QStatusBar>
  89 #include <QTimer>
  90 #include <QToolBar>
  91 #include <QUrl>
  92 #include <QScrollBar>
  93
  94 #include <boost/bind.hpp>
  95
  96 #ifdef HAVE_SYS_TIME_H
  97 # include <sys/time.h>
  98 #endif
  99 #ifdef HAVE_UNISTD_H
 100 # include <unistd.h>
 101 #endif
 102
 103 using namespace std;
 104 using namespace lyx::support;
 105
 106 namespace lyx {
 107 namespace frontend {
 108
 109 namespace {
 110
 111 class BackgroundWidget : public QWidget
 112 {
 113 public:
 114         BackgroundWidget()
 115         {
 116                 LYXERR(Debug::GUI, "show banner: " << lyxrc.show_banner);
 117                 /// The text to be written on top of the pixmap
 118                 QString const text = lyx_version ?
 119                         qt_("version ") + lyx_version : qt_("unknown version");
 120                 splash_ = QPixmap(":/images/banner.png");
 121
 122                 QPainter pain(&splash_);
 123                 pain.setPen(QColor(0, 0, 0));
 124                 QFont font;
 125                 // The font used to display the version info
 126                 font.setStyleHint(QFont::SansSerif);
 127                 font.setWeight(QFont::Bold);
 128                 font.setPointSize(int(toqstr(lyxrc.font_sizes[FONT_SIZE_LARGE]).toDouble()));
 129                 pain.setFont(font);
 130                 pain.drawText(260, 15, text);
 131         }
 132
 133         void paintEvent(QPaintEvent *)
 134         {
 135                 int x = (width() - splash_.width()) / 2;
 136                 int y = (height() - splash_.height()) / 2;
 137                 QPainter pain(this);
 138                 pain.drawPixmap(x, y, splash_);
 139         }
 140
 141 private:
 142         QPixmap splash_;
 143 };
 144
 145
 146 /// Toolbar store providing access to individual toolbars by name.
 147 typedef std::map<std::string, GuiToolbar *> ToolbarMap;
 148
 149 typedef boost::shared_ptr<Dialog> DialogPtr;
 150
 151 } // namespace anon
 152
 153
 154 struct GuiView::GuiViewPrivate
 155 {
 156         GuiViewPrivate()
 157                 : current_work_area_(0), current_main_work_area_(0),
 158                 layout_(0), autosave_timeout_(5000),
 159                 in_show_(false)
 160         {
 161                 // hardcode here the platform specific icon size
 162                 smallIconSize = 14;  // scaling problems
 163                 normalIconSize = 20; // ok, default
 164                 bigIconSize = 26;    // better for some math icons
 165
 166                 splitter_ = new QSplitter;
 167                 bg_widget_ = new BackgroundWidget;
 168                 stack_widget_ = new QStackedWidget;
 169                 stack_widget_->addWidget(bg_widget_);
 170                 stack_widget_->addWidget(splitter_);
 171                 setBackground();
 172         }
 173
 174         ~GuiViewPrivate()
 175         {
 176                 delete splitter_;
 177                 delete bg_widget_;
 178                 delete stack_widget_;
 179         }
 180
 181         QMenu * toolBarPopup(GuiView * parent)
 182         {
 183                 // FIXME: translation
 184                 QMenu * menu = new QMenu(parent);
 185                 QActionGroup * iconSizeGroup = new QActionGroup(parent);
 186
 187                 QAction * smallIcons = new QAction(iconSizeGroup);
 188                 smallIcons->setText(qt_("Small-sized icons"));
 189                 smallIcons->setCheckable(true);
 190                 QObject::connect(smallIcons, SIGNAL(triggered()),
 191                         parent, SLOT(smallSizedIcons()));
 192                 menu->addAction(smallIcons);
 193
 194                 QAction * normalIcons = new QAction(iconSizeGroup);
 195                 normalIcons->setText(qt_("Normal-sized icons"));
 196                 normalIcons->setCheckable(true);
 197                 QObject::connect(normalIcons, SIGNAL(triggered()),
 198                         parent, SLOT(normalSizedIcons()));
 199                 menu->addAction(normalIcons);
 200
 201                 QAction * bigIcons = new QAction(iconSizeGroup);
 202                 bigIcons->setText(qt_("Big-sized icons"));
 203                 bigIcons->setCheckable(true);
 204                 QObject::connect(bigIcons, SIGNAL(triggered()),
 205                         parent, SLOT(bigSizedIcons()));
 206                 menu->addAction(bigIcons);
 207
 208                 unsigned int cur = parent->iconSize().width();
 209                 if ( cur == parent->d.smallIconSize)
 210                         smallIcons->setChecked(true);
 211                 else if (cur == parent->d.normalIconSize)
 212                         normalIcons->setChecked(true);
 213                 else if (cur == parent->d.bigIconSize)
 214                         bigIcons->setChecked(true);
 215
 216                 return menu;
 217         }
 218
 219         void setBackground()
 220         {
 221                 stack_widget_->setCurrentWidget(bg_widget_);
 222                 bg_widget_->setUpdatesEnabled(true);
 223         }
 224
 225         TabWorkArea * tabWorkArea(int i)
 226         {
 227                 return dynamic_cast<TabWorkArea *>(splitter_->widget(i));
 228         }
 229
 230         TabWorkArea * currentTabWorkArea()
 231         {
 232                 if (splitter_->count() == 1)
 233                         // The first TabWorkArea is always the first one, if any.
 234                         return tabWorkArea(0);
 235
 236                 for (int i = 0; i != splitter_->count(); ++i) {
 237                         TabWorkArea * twa = tabWorkArea(i);
 238                         if (current_main_work_area_ == twa->currentWorkArea())
 239                                 return twa;
 240                 }
 241
 242                 // None has the focus so we just take the first one.
 243                 return tabWorkArea(0);
 244         }
 245
 246 public:
 247         GuiWorkArea * current_work_area_;
 248         GuiWorkArea * current_main_work_area_;
 249         QSplitter * splitter_;
 250         QStackedWidget * stack_widget_;
 251         BackgroundWidget * bg_widget_;
 252         /// view's toolbars
 253         ToolbarMap toolbars_;
 254         /// The main layout box.
 255         /**
 256          * \warning Don't Delete! The layout box is actually owned by
 257          * whichever toolbar contains it. All the GuiView class needs is a
 258          * means of accessing it.
 259          *
 260          * FIXME: replace that with a proper model so that we are not limited
 261          * to only one dialog.
 262          */
 263         GuiLayoutBox * layout_;
 264
 265         ///
 266         map<string, Inset *> open_insets_;
 267
 268         ///
 269         map<string, DialogPtr> dialogs_;
 270
 271         unsigned int smallIconSize;
 272         unsigned int normalIconSize;
 273         unsigned int bigIconSize;
 274         ///
 275         QTimer statusbar_timer_;
 276         /// auto-saving of buffers
 277         Timeout autosave_timeout_;
 278         /// flag against a race condition due to multiclicks, see bug #1119
 279         bool in_show_;
 280
 281         ///
 282         TocModels toc_models_;
 283 };
 284
 285
 286 GuiView::GuiView(int id)
 287         : d(*new GuiViewPrivate), id_(id), closing_(false)
 288 {
 289         // GuiToolbars *must* be initialised before the menu bar.
 290         normalSizedIcons(); // at least on Mac the default is 32 otherwise, which is huge
 291         constructToolbars();
 292
 293         // set ourself as the current view. This is needed for the menu bar
 294         // filling, at least for the static special menu item on Mac. Otherwise
 295         // they are greyed out.
 296         theLyXFunc().setLyXView(this);
 297
 298         // Fill up the menu bar.
 299         guiApp->menus().fillMenuBar(menuBar(), this, true);
 300
 301         setCentralWidget(d.stack_widget_);
 302
 303         // Start autosave timer
 304         if (lyxrc.autosave) {
 305                 d.autosave_timeout_.timeout.connect(boost::bind(&GuiView::autoSave, this));
 306                 d.autosave_timeout_.setTimeout(lyxrc.autosave * 1000);
 307                 d.autosave_timeout_.start();
 308         }
 309         connect(&d.statusbar_timer_, SIGNAL(timeout()),
 310                 this, SLOT(clearMessage()));
 311
 312         // We don't want to keep the window in memory if it is closed.
 313         setAttribute(Qt::WA_DeleteOnClose, true);
 314
 315 #if (!defined(Q_WS_WIN) && !defined(Q_WS_MACX))
 316         // assign an icon to main form. We do not do it under Qt/Win or Qt/Mac,
 317         // since the icon is provided in the application bundle.
 318         setWindowIcon(QPixmap(":/images/lyx.png"));
 319 #endif
 320
 321         // For Drag&Drop.
 322         setAcceptDrops(true);
 323
 324         statusBar()->setSizeGripEnabled(true);
 325
 326         // Forbid too small unresizable window because it can happen
 327         // with some window manager under X11.
 328         setMinimumSize(300, 200);
 329
 330         if (lyxrc.allow_geometry_session) {
 331                 // Now take care of session management.
 332                 if (restoreLayout())
 333                         return;
 334         }
 335
 336         // no session handling, default to a sane size.
 337         setGeometry(50, 50, 690, 510);
 338         initToolbars();
 339
 340         // clear session data if any.
 341         QSettings settings;
 342         settings.remove("views");
 343 }
 344
 345
 346 GuiView::~GuiView()
 347 {
 348         delete &d;
 349 }
 350
 351
 352 void GuiView::saveLayout() const
 353 {
 354         QSettings settings;
 355         settings.beginGroup("views");
 356         settings.beginGroup(QString::number(id_));
 357 #ifdef Q_WS_X11
 358         settings.setValue("pos", pos());
 359         settings.setValue("size", size());
 360 #else
 361         settings.setValue("geometry", saveGeometry());
 362 #endif
 363         settings.setValue("layout", saveState(0));
 364         settings.setValue("icon_size", iconSize());
 365 }
 366
 367
 368 bool GuiView::restoreLayout()
 369 {
 370         QSettings settings;
 371         settings.beginGroup("views");
 372         settings.beginGroup(QString::number(id_));
 373         QString const icon_key = "icon_size";
 374         if (!settings.contains(icon_key))
 375                 return false;
 376
 377         setIconSize(settings.value(icon_key).toSize());
 378 #ifdef Q_WS_X11
 379         QPoint pos = settings.value("pos", QPoint(50, 50)).toPoint();
 380         QSize size = settings.value("size", QSize(690, 510)).toSize();
 381         resize(size);
 382         move(pos);
 383 #else
 384         if (!restoreGeometry(settings.value("geometry").toByteArray()))
 385                 setGeometry(50, 50, 690, 510);
 386 #endif
 387         // Make sure layout is correctly oriented.
 388         setLayoutDirection(qApp->layoutDirection());
 389
 390         // Allow the toc and view-source dock widget to be restored if needed.
 391         findOrBuild("toc", true);
 392         findOrBuild("view-source", true);
 393
 394         if (!restoreState(settings.value("layout").toByteArray(), 0))
 395                 initToolbars();
 396         updateDialogs();
 397         return true;
 398 }
 399
 400
 401 GuiToolbar * GuiView::toolbar(string const & name)
 402 {
 403         ToolbarMap::iterator it = d.toolbars_.find(name);
 404         if (it != d.toolbars_.end())
 405                 return it->second;
 406
 407         LYXERR(Debug::GUI, "Toolbar::display: no toolbar named " << name);
 408         message(bformat(_("Unknown toolbar \"%1$s\""), from_utf8(name)));
 409         return 0;
 410 }
 411
 412
 413 void GuiView::constructToolbars()
 414 {
 415         ToolbarMap::iterator it = d.toolbars_.begin();
 416         for (; it != d.toolbars_.end(); ++it)
 417                 delete it->second;
 418         d.toolbars_.clear();
 419         d.layout_ = 0;
 420
 421         // extracts the toolbars from the backend
 422         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 423         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 424         for (; cit != end; ++cit)
 425                 d.toolbars_[cit->name] =  new GuiToolbar(*cit, *this);
 426 }
 427
 428
 429 void GuiView::initToolbars()
 430 {
 431         // extracts the toolbars from the backend
 432         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 433         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 434         for (; cit != end; ++cit) {
 435                 GuiToolbar * tb = toolbar(cit->name);
 436                 if (!tb)
 437                         continue;
 438                 int const visibility = guiApp->toolbars().defaultVisibility(cit->name);
 439                 bool newline = true;
 440                 tb->setVisible(false);
 441                 tb->setVisibility(visibility);
 442
 443                 if (visibility & Toolbars::TOP) {
 444                         if (newline)
 445                                 addToolBarBreak(Qt::TopToolBarArea);
 446                         addToolBar(Qt::TopToolBarArea, tb);
 447                 }
 448
 449                 if (visibility & Toolbars::BOTTOM) {
 450                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 451 #if (QT_VERSION >= 0x040202)
 452                         addToolBarBreak(Qt::BottomToolBarArea);
 453 #endif
 454                         addToolBar(Qt::BottomToolBarArea, tb);
 455                 }
 456
 457                 if (visibility & Toolbars::LEFT) {
 458                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 459 #if (QT_VERSION >= 0x040202)
 460                         addToolBarBreak(Qt::LeftToolBarArea);
 461 #endif
 462                         addToolBar(Qt::LeftToolBarArea, tb);
 463                 }
 464
 465                 if (visibility & Toolbars::RIGHT) {
 466                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 467 #if (QT_VERSION >= 0x040202)
 468                         addToolBarBreak(Qt::RightToolBarArea);
 469 #endif
 470                         addToolBar(Qt::RightToolBarArea, tb);
 471                 }
 472
 473                 if (visibility & Toolbars::ON)
 474                         tb->setVisible(true);
 475         }
 476 }
 477
 478
 479 TocModels & GuiView::tocModels()
 480 {
 481         return d.toc_models_;
 482 }
 483
 484
 485 void GuiView::setFocus()
 486 {
 487         LYXERR(Debug::DEBUG, "GuiView::setFocus()" << this);
 488         // Make sure LyXFunc points to the correct view.
 489         guiApp->setCurrentView(this);
 490         theLyXFunc().setLyXView(this);
 491         QMainWindow::setFocus();
 492         if (d.current_work_area_)
 493                 d.current_work_area_->setFocus();
 494 }
 495
 496
 497 QMenu * GuiView::createPopupMenu()
 498 {
 499         return d.toolBarPopup(this);
 500 }
 501
 502
 503 void GuiView::showEvent(QShowEvent * e)
 504 {
 505         LYXERR(Debug::GUI, "Passed Geometry "
 506                 << size().height() << "x" << size().width()
 507                 << "+" << pos().x() << "+" << pos().y());
 508
 509         if (d.splitter_->count() == 0)
 510                 // No work area, switch to the background widget.
 511                 d.setBackground();
 512
 513         QMainWindow::showEvent(e);
 514 }
 515
 516
 517 /** Destroy only all tabbed WorkAreas. Destruction of other WorkAreas
 518  ** is responsibility of the container (e.g., dialog)
 519  **/
 520 void GuiView::closeEvent(QCloseEvent * close_event)
 521 {
 522         LYXERR(Debug::DEBUG, "GuiView::closeEvent()");
 523         closing_ = true;
 524
 525         // it can happen that this event arrives without selecting the view,
 526         // e.g. when clicking the close button on a background window.
 527         setFocus();
 528         setCurrentWorkArea(currentMainWorkArea());
 529         while (GuiWorkArea * wa = currentMainWorkArea()) {
 530                 Buffer * b = &wa->bufferView().buffer();
 531                 if (b->parent()) {
 532                         // This is a child document, just close the tab after saving
 533                         // but keep the file loaded.
 534                         if (!saveBuffer(*b)) {
 535                                 closing_ = false;
 536                                 close_event->ignore();
 537                                 return;
 538                         }
 539                 removeWorkArea(wa);
 540                         continue;
 541                 }
 542
 543                 QList<int> const ids = guiApp->viewIds();
 544                 for (int i = 0; i != ids.size(); ++i) {
 545                         if (id_ == ids[i])
 546                                 continue;
 547                         if (guiApp->view(ids[i]).workArea(*b)) {
 548                                 // FIXME 1: should we put an alert box here that the buffer
 549                                 // is viewed elsewhere?
 550                                 // FIXME 2: should we try to save this buffer in any case?
 551                                 //saveBuffer(b);
 552
 553                                 // This buffer is also opened in another view, so
 554                                 // close the associated work area...
 555                                 removeWorkArea(wa);
 556                                 // ... but don't close the buffer.
 557                                 b = 0;
 558                                 break;
 559                         }
 560                 }
 561                 // closeBuffer() needs buffer workArea still alive and set as currrent one, and destroys it
 562                 if (b && !closeBuffer(*b, true)) {
 563                         closing_ = false;
 564                         close_event->ignore();
 565                         return;
 566                 }
 567         }
 568
 569         // Make sure that nothing will use this close to be closed View.
 570         guiApp->unregisterView(this);
 571
 572         if (isFullScreen()) {
 573                 // Switch off fullscreen before closing.
 574                 toggleFullScreen();
 575                 updateDialogs();
 576         }
 577
 578         // Make sure the timer time out will not trigger a statusbar update.
 579         d.statusbar_timer_.stop();
 580
 581         // Saving fullscreen requires additional tweaks in the toolbar code.
 582         // It wouldn't also work under linux natively.
 583         if (lyxrc.allow_geometry_session) {
 584                 // Save this window geometry and layout.
 585                 saveLayout();
 586                 // Then the toolbar private states.
 587                 ToolbarMap::iterator end = d.toolbars_.end();
 588                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
 589                         it->second->saveSession();
 590                 // Now take care of all other dialogs:
 591                 map<string, DialogPtr>::const_iterator it = d.dialogs_.begin();
 592                 for (; it!= d.dialogs_.end(); ++it)
 593                         it->second->saveSession();
 594         }
 595
 596         close_event->accept();
 597 }
 598
 599
 600 void GuiView::dragEnterEvent(QDragEnterEvent * event)
 601 {
 602         if (event->mimeData()->hasUrls())
 603                 event->accept();
 604         /// \todo Ask lyx-devel is this is enough:
 605         /// if (event->mimeData()->hasFormat("text/plain"))
 606         ///     event->acceptProposedAction();
 607 }
 608
 609
 610 void GuiView::dropEvent(QDropEvent * event)
 611 {
 612         QList<QUrl> files = event->mimeData()->urls();
 613         if (files.isEmpty())
 614                 return;
 615
 616         LYXERR(Debug::GUI, "GuiView::dropEvent: got URLs!");
 617         for (int i = 0; i != files.size(); ++i) {
 618                 string const file = os::internal_path(fromqstr(
 619                         files.at(i).toLocalFile()));
 620                 if (!file.empty()) {
 621                         // Asynchronously post the event. DropEvent usually come
 622                         // from the BufferView. But reloading a file might close
 623                         // the BufferView from within its own event handler.
 624                         guiApp->dispatchDelayed(FuncRequest(LFUN_FILE_OPEN, file));
 625                         event->accept();
 626                 }
 627         }
 628 }
 629
 630
 631 void GuiView::message(docstring const & str)
 632 {
 633         if (ForkedProcess::iAmAChild())
 634                 return;
 635
 636         statusBar()->showMessage(toqstr(str));
 637         d.statusbar_timer_.stop();
 638         d.statusbar_timer_.start(3000);
 639 }
 640
 641
 642 void GuiView::smallSizedIcons()
 643 {
 644         setIconSize(QSize(d.smallIconSize, d.smallIconSize));
 645 }
 646
 647
 648 void GuiView::normalSizedIcons()
 649 {
 650         setIconSize(QSize(d.normalIconSize, d.normalIconSize));
 651 }
 652
 653
 654 void GuiView::bigSizedIcons()
 655 {
 656         setIconSize(QSize(d.bigIconSize, d.bigIconSize));
 657 }
 658
 659
 660 void GuiView::clearMessage()
 661 {
 662         if (!hasFocus())
 663                 return;
 664         theLyXFunc().setLyXView(this);
 665         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 666         d.statusbar_timer_.stop();
 667 }
 668
 669
 670 void GuiView::updateWindowTitle(GuiWorkArea * wa)
 671 {
 672         if (wa != d.current_work_area_)
 673                 return;
 674         setWindowTitle(qt_("LyX: ") + wa->windowTitle());
 675         setWindowIconText(wa->windowIconText());
 676 }
 677
 678
 679 void GuiView::on_currentWorkAreaChanged(GuiWorkArea * wa)
 680 {
 681         disconnectBuffer();
 682         disconnectBufferView();
 683         connectBufferView(wa->bufferView());
 684         connectBuffer(wa->bufferView().buffer());
 685         d.current_work_area_ = wa;
 686         QObject::connect(wa, SIGNAL(titleChanged(GuiWorkArea *)),
 687                 this, SLOT(updateWindowTitle(GuiWorkArea *)));
 688         updateWindowTitle(wa);
 689
 690         structureChanged();
 691
 692         // The document settings needs to be reinitialised.
 693         updateDialog("document", "");
 694
 695         // Buffer-dependent dialogs must be updated. This is done here because
 696         // some dialogs require buffer()->text.
 697         updateDialogs();
 698 }
 699
 700
 701 void GuiView::on_lastWorkAreaRemoved()
 702 {
 703         if (closing_)
 704                 // We already are in a close event. Nothing more to do.
 705                 return;
 706
 707         if (d.splitter_->count() > 1)
 708                 // We have a splitter so don't close anything.
 709                 return;
 710
 711         // Reset and updates the dialogs.
 712         d.toc_models_.reset(0);
 713         updateDialog("document", "");
 714         updateDialogs();
 715
 716         resetWindowTitleAndIconText();
 717
 718         if (lyxrc.open_buffers_in_tabs)
 719                 // Nothing more to do, the window should stay open.
 720                 return;
 721
 722         if (guiApp->viewIds().size() > 1) {
 723                 close();
 724                 return;
 725         }
 726
 727 #ifdef Q_WS_MACX
 728         // On Mac we also close the last window because the application stay
 729         // resident in memory. On other platforms we don't close the last
 730         // window because this would quit the application.
 731         close();
 732 #endif
 733 }
 734
 735
 736 void GuiView::updateStatusBar()
 737 {
 738         // let the user see the explicit message
 739         if (d.statusbar_timer_.isActive())
 740                 return;
 741
 742         theLyXFunc().setLyXView(this);
 743         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 744 }
 745
 746
 747 bool GuiView::hasFocus() const
 748 {
 749         return qApp->activeWindow() == this;
 750 }
 751
 752
 753 bool GuiView::event(QEvent * e)
 754 {
 755         switch (e->type())
 756         {
 757         // Useful debug code:
 758         //case QEvent::ActivationChange:
 759         //case QEvent::WindowDeactivate:
 760         //case QEvent::Paint:
 761         //case QEvent::Enter:
 762         //case QEvent::Leave:
 763         //case QEvent::HoverEnter:
 764         //case QEvent::HoverLeave:
 765         //case QEvent::HoverMove:
 766         //case QEvent::StatusTip:
 767         //case QEvent::DragEnter:
 768         //case QEvent::DragLeave:
 769         //case QEvent::Drop:
 770         //      break;
 771
 772         case QEvent::WindowActivate: {
 773                 if (this == guiApp->currentView()) {
 774                         setFocus();
 775                         return QMainWindow::event(e);
 776                 }
 777                 guiApp->setCurrentView(this);
 778                 theLyXFunc().setLyXView(this);
 779                 if (d.current_work_area_) {
 780                         BufferView & bv = d.current_work_area_->bufferView();
 781                         connectBufferView(bv);
 782                         connectBuffer(bv.buffer());
 783                         // The document structure, name and dialogs might have
 784                         // changed in another view.
 785                         structureChanged();
 786                         // The document settings needs to be reinitialised.
 787                         updateDialog("document", "");
 788                         updateDialogs();
 789                 } else {
 790                         resetWindowTitleAndIconText();
 791                 }
 792                 setFocus();
 793                 return QMainWindow::event(e);
 794         }
 795
 796         case QEvent::ShortcutOverride: {
 797
 798 #ifndef Q_WS_X11
 799                 // FIXME bug 4888
 800                 if (isFullScreen() && menuBar()->isHidden()) {
 801                         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 802                         // FIXME: we should also try to detect special LyX shortcut such as
 803                         // Alt-P and Alt-M. Right now there is a hack in
 804                         // GuiWorkArea::processKeySym() that hides again the menubar for
 805                         // those cases.
 806                         if (ke->modifiers() & Qt::AltModifier && ke->key() != Qt::Key_Alt) {
 807                                 menuBar()->show();
 808                                 return QMainWindow::event(e);
 809                         }
 810                 }
 811 #endif
 812
 813                 if (d.current_work_area_)
 814                         // Nothing special to do.
 815                         return QMainWindow::event(e);
 816
 817                 QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 818                 // Let Qt handle menu access and the Tab keys to navigate keys to navigate
 819                 // between controls.
 820                 if (ke->modifiers() & Qt::AltModifier || ke->key() == Qt::Key_Tab
 821                         || ke->key() == Qt::Key_Backtab)
 822                         return QMainWindow::event(e);
 823
 824                 // Allow processing of shortcuts that are allowed even when no Buffer
 825                 // is viewed.
 826                 theLyXFunc().setLyXView(this);
 827                 KeySymbol sym;
 828                 setKeySymbol(&sym, ke);
 829                 theLyXFunc().processKeySym(sym, q_key_state(ke->modifiers()));
 830                 e->accept();
 831                 return true;
 832         }
 833
 834         default:
 835                 return QMainWindow::event(e);
 836         }
 837 }
 838
 839 void GuiView::resetWindowTitleAndIconText()
 840 {
 841     setWindowTitle(qt_("LyX"));
 842     setWindowIconText(qt_("LyX"));
 843 }
 844
 845 bool GuiView::focusNextPrevChild(bool /*next*/)
 846 {
 847         setFocus();
 848         return true;
 849 }
 850
 851
 852 void GuiView::setBusy(bool busy)
 853 {
 854         if (d.current_work_area_) {
 855                 d.current_work_area_->setUpdatesEnabled(!busy);
 856                 if (busy)
 857                         d.current_work_area_->stopBlinkingCursor();
 858                 else
 859                         d.current_work_area_->startBlinkingCursor();
 860         }
 861
 862         if (busy)
 863                 QApplication::setOverrideCursor(Qt::WaitCursor);
 864         else
 865                 QApplication::restoreOverrideCursor();
 866 }
 867
 868
 869 GuiWorkArea * GuiView::workArea(Buffer & buffer)
 870 {
 871         if (currentWorkArea()
 872             && &currentWorkArea()->bufferView().buffer() == &buffer)
 873                 return (GuiWorkArea *) currentWorkArea();
 874         if (TabWorkArea * twa = d.currentTabWorkArea())
 875                 return twa->workArea(buffer);
 876         return 0;
 877 }
 878
 879
 880 GuiWorkArea * GuiView::addWorkArea(Buffer & buffer)
 881 {
 882         // Automatically create a TabWorkArea if there are none yet.
 883         TabWorkArea * tab_widget = d.splitter_->count()
 884                 ? d.currentTabWorkArea() : addTabWorkArea();
 885         return tab_widget->addWorkArea(buffer, *this);
 886 }
 887
 888
 889 TabWorkArea * GuiView::addTabWorkArea()
 890 {
 891         TabWorkArea * twa = new TabWorkArea;
 892         QObject::connect(twa, SIGNAL(currentWorkAreaChanged(GuiWorkArea *)),
 893                 this, SLOT(on_currentWorkAreaChanged(GuiWorkArea *)));
 894         QObject::connect(twa, SIGNAL(lastWorkAreaRemoved()),
 895                          this, SLOT(on_lastWorkAreaRemoved()));
 896
 897         d.splitter_->addWidget(twa);
 898         d.stack_widget_->setCurrentWidget(d.splitter_);
 899         return twa;
 900 }
 901
 902
 903 GuiWorkArea const * GuiView::currentWorkArea() const
 904 {
 905         return d.current_work_area_;
 906 }
 907
 908
 909 GuiWorkArea * GuiView::currentWorkArea()
 910 {
 911         return d.current_work_area_;
 912 }
 913
 914
 915 GuiWorkArea const * GuiView::currentMainWorkArea() const
 916 {
 917         if (d.currentTabWorkArea() == NULL)
 918                 return NULL;
 919         return d.currentTabWorkArea()->currentWorkArea();
 920 }
 921
 922
 923 GuiWorkArea * GuiView::currentMainWorkArea()
 924 {
 925         if (d.currentTabWorkArea() == NULL)
 926                 return NULL;
 927         return d.currentTabWorkArea()->currentWorkArea();
 928 }
 929
 930
 931 void GuiView::setCurrentWorkArea(GuiWorkArea * wa)
 932 {
 933         LYXERR(Debug::DEBUG, "Setting current wa: " << wa << endl);
 934         if (wa == NULL) {
 935                 d.current_work_area_ = NULL;
 936                 d.setBackground();
 937                 return;
 938         }
 939         GuiWorkArea * old_gwa = theGuiApp()->currentView()->currentWorkArea();
 940         if (old_gwa == wa)
 941                 return;
 942
 943         theGuiApp()->setCurrentView(this);
 944         d.current_work_area_ = wa;
 945         for (int i = 0; i != d.splitter_->count(); ++i) {
 946                 if (d.tabWorkArea(i)->setCurrentWorkArea(wa)) {
 947                         //if (d.current_main_work_area_)
 948                         //      d.current_main_work_area_->setFrameStyle(QFrame::NoFrame);
 949                         d.current_main_work_area_ = wa;
 950                         //d.current_main_work_area_->setFrameStyle(QFrame::Box | QFrame::Plain);
 951                         //d.current_main_work_area_->setLineWidth(2);
 952                         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() << ", Current main wa: " << currentMainWorkArea());
 953                         return;
 954                 }
 955         }
 956         LYXERR(Debug::DEBUG, "This is not a tabbed wa");
 957         on_currentWorkAreaChanged(wa);
 958         BufferView & bv = wa->bufferView();
 959         bv.cursor().fixIfBroken();
 960         bv.updateMetrics();
 961         wa->setUpdatesEnabled(true);
 962         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() << ", Current main wa: " << currentMainWorkArea());
 963 }
 964
 965
 966 void GuiView::removeWorkArea(GuiWorkArea * wa)
 967 {
 968         LASSERT(wa, return);
 969         if (wa == d.current_work_area_) {
 970                 disconnectBuffer();
 971                 disconnectBufferView();
 972                 d.current_work_area_ = 0;
 973                 d.current_main_work_area_ = 0;
 974         }
 975
 976         bool found_twa = false;
 977         for (int i = 0; i != d.splitter_->count(); ++i) {
 978                 TabWorkArea * twa = d.tabWorkArea(i);
 979                 if (twa->removeWorkArea(wa)) {
 980                         // Found in this tab group, and deleted the GuiWorkArea.
 981                         found_twa = true;
 982                         if (twa->count() != 0) {
 983                                 if (d.current_work_area_ == 0)
 984                                         // This means that we are closing the current GuiWorkArea, so
 985                                         // switch to the next GuiWorkArea in the found TabWorkArea.
 986                                         setCurrentWorkArea(twa->currentWorkArea());
 987                         } else {
 988                                 // No more WorkAreas in this tab group, so delete it.
 989                                 delete twa;
 990                         }
 991                         break;
 992                 }
 993         }
 994
 995         // It is not a tabbed work area (i.e., the search work area), so it
 996         // should be deleted by other means.
 997         LASSERT(found_twa, /* */);
 998
 999         if (d.current_work_area_ == 0) {
1000                 if (d.splitter_->count() != 0) {
1001                         TabWorkArea * twa = d.currentTabWorkArea();
1002                         setCurrentWorkArea(twa->currentWorkArea());
1003                 } else {
1004                         // No more work areas, switch to the background widget.
1005                         setCurrentWorkArea(0);
1006                 }
1007         }
1008 }
1009
1010
1011 void GuiView::setLayoutDialog(GuiLayoutBox * layout)
1012 {
1013         d.layout_ = layout;
1014 }
1015
1016
1017 void GuiView::updateLayoutList()
1018 {
1019         if (d.layout_)
1020                 d.layout_->updateContents(false);
1021 }
1022
1023
1024 void GuiView::updateToolbars()
1025 {
1026         ToolbarMap::iterator end = d.toolbars_.end();
1027         if (d.current_work_area_) {
1028                 bool const math =
1029                         d.current_work_area_->bufferView().cursor().inMathed();
1030                 bool const table =
1031                         lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
1032                 bool const review =
1033                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
1034                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onoff(true);
1035                 bool const mathmacrotemplate =
1036                         lyx::getStatus(FuncRequest(LFUN_IN_MATHMACROTEMPLATE)).enabled();
1037
1038                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1039                         it->second->update(math, table, review, mathmacrotemplate);
1040         } else
1041                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1042                         it->second->update(false, false, false, false);
1043 }
1044
1045
1046 Buffer * GuiView::buffer()
1047 {
1048         if (d.current_work_area_)
1049                 return &d.current_work_area_->bufferView().buffer();
1050         return 0;
1051 }
1052
1053
1054 Buffer const * GuiView::buffer() const
1055 {
1056         if (d.current_work_area_)
1057                 return &d.current_work_area_->bufferView().buffer();
1058         return 0;
1059 }
1060
1061
1062 void GuiView::setBuffer(Buffer * newBuffer)
1063 {
1064         LYXERR(Debug::DEBUG, "Setting buffer: " << newBuffer << std::endl);
1065         LASSERT(newBuffer, return);
1066         setBusy(true);
1067
1068         GuiWorkArea * wa = workArea(*newBuffer);
1069         if (wa == 0) {
1070                 newBuffer->masterBuffer()->updateLabels();
1071                 wa = addWorkArea(*newBuffer);
1072         } else {
1073                 //Disconnect the old buffer...there's no new one.
1074                 disconnectBuffer();
1075         }
1076         connectBuffer(*newBuffer);
1077         connectBufferView(wa->bufferView());
1078         setCurrentWorkArea(wa);
1079
1080         setBusy(false);
1081 }
1082
1083
1084 void GuiView::connectBuffer(Buffer & buf)
1085 {
1086         buf.setGuiDelegate(this);
1087 }
1088
1089
1090 void GuiView::disconnectBuffer()
1091 {
1092         if (d.current_work_area_)
1093                 d.current_work_area_->bufferView().setGuiDelegate(0);
1094 }
1095
1096
1097 void GuiView::connectBufferView(BufferView & bv)
1098 {
1099         bv.setGuiDelegate(this);
1100 }
1101
1102
1103 void GuiView::disconnectBufferView()
1104 {
1105         if (d.current_work_area_)
1106                 d.current_work_area_->bufferView().setGuiDelegate(0);
1107 }
1108
1109
1110 void GuiView::errors(string const & error_type)
1111 {
1112         ErrorList & el = buffer()->errorList(error_type);
1113         if (!el.empty())
1114                 showDialog("errorlist", error_type);
1115 }
1116
1117
1118 void GuiView::updateTocItem(std::string const & type, DocIterator const & dit)
1119 {
1120         d.toc_models_.updateItem(toqstr(type), dit);
1121 }
1122
1123
1124 void GuiView::structureChanged()
1125 {
1126         d.toc_models_.reset(view());
1127         // Navigator needs more than a simple update in this case. It needs to be
1128         // rebuilt.
1129         updateDialog("toc", "");
1130 }
1131
1132
1133 void GuiView::updateDialog(string const & name, string const & data)
1134 {
1135         if (!isDialogVisible(name))
1136                 return;
1137
1138         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
1139         if (it == d.dialogs_.end())
1140                 return;
1141
1142         Dialog * const dialog = it->second.get();
1143         if (dialog->isVisibleView())
1144                 dialog->initialiseParams(data);
1145 }
1146
1147
1148 BufferView * GuiView::view()
1149 {
1150         return d.current_work_area_ ? &d.current_work_area_->bufferView() : 0;
1151 }
1152
1153
1154 void GuiView::autoSave()
1155 {
1156         LYXERR(Debug::INFO, "Running autoSave()");
1157
1158         if (buffer())
1159                 view()->buffer().autoSave();
1160 }
1161
1162
1163 void GuiView::resetAutosaveTimers()
1164 {
1165         if (lyxrc.autosave)
1166                 d.autosave_timeout_.restart();
1167 }
1168
1169
1170 bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1171 {
1172         bool enable = true;
1173         Buffer * buf = buffer();
1174
1175         /* In LyX/Mac, when a dialog is open, the menus of the
1176            application can still be accessed without giving focus to
1177            the main window. In this case, we want to disable the menu
1178            entries that are buffer-related.
1179
1180            Note that this code is not perfect, as bug 1941 attests:
1181            http://bugzilla.lyx.org/show_bug.cgi?id=1941#c4
1182         */
1183         if (cmd.origin == FuncRequest::MENU && !hasFocus())
1184                 buf = 0;
1185
1186         switch(cmd.action) {
1187         case LFUN_BUFFER_WRITE:
1188                 enable = buf && (buf->isUnnamed() || !buf->isClean());
1189                 break;
1190
1191         case LFUN_BUFFER_WRITE_AS:
1192                 enable = buf;
1193                 break;
1194
1195         case LFUN_SPLIT_VIEW:
1196                 if (cmd.getArg(0) == "vertical")
1197                         enable = buf && (d.splitter_->count() == 1 ||
1198                                          d.splitter_->orientation() == Qt::Vertical);
1199                 else
1200                         enable = buf && (d.splitter_->count() == 1 ||
1201                                          d.splitter_->orientation() == Qt::Horizontal);
1202                 break;
1203
1204         case LFUN_CLOSE_TAB_GROUP:
1205                 enable = d.currentTabWorkArea();
1206                 break;
1207
1208         case LFUN_TOOLBAR_TOGGLE:
1209                 if (GuiToolbar * t = toolbar(cmd.getArg(0)))
1210                         flag.setOnOff(t->isVisible());
1211                 break;
1212
1213         case LFUN_UI_TOGGLE:
1214                 flag.setOnOff(isFullScreen());
1215                 break;
1216
1217         case LFUN_DIALOG_TOGGLE:
1218                 flag.setOnOff(isDialogVisible(cmd.getArg(0)));
1219                 // fall through to set "enable"
1220         case LFUN_DIALOG_SHOW: {
1221                 string const name = cmd.getArg(0);
1222                 if (!buf)
1223                         enable = name == "aboutlyx"
1224                                 || name == "file" //FIXME: should be removed.
1225                                 || name == "prefs"
1226                                 || name == "texinfo";
1227                 else if (name == "print")
1228                         enable = buf->isExportable("dvi")
1229                                 && lyxrc.print_command != "none";
1230                 else if (name == "character") {
1231                         if (!view())
1232                                 enable = false;
1233                         else {
1234                                 InsetCode ic = view()->cursor().inset().lyxCode();
1235                                 enable = ic != ERT_CODE && ic != LISTINGS_CODE;
1236                         }
1237                 }
1238                 else if (name == "symbols") {
1239                         if (!view() || view()->cursor().inMathed())
1240                                 enable = false;
1241                         else {
1242                                 InsetCode ic = view()->cursor().inset().lyxCode();
1243                                 enable = ic != ERT_CODE && ic != LISTINGS_CODE;
1244                         }
1245                 }
1246                 else if (name == "latexlog")
1247                         enable = FileName(buf->logName()).isReadableFile();
1248                 else if (name == "spellchecker")
1249 #if defined (USE_ASPELL)
1250                         enable = !buf->isReadonly();
1251 #else
1252                         enable = false;
1253 #endif
1254                 else if (name == "vclog")
1255                         enable = buf->lyxvc().inUse();
1256                 break;
1257         }
1258
1259         case LFUN_DIALOG_UPDATE: {
1260                 string const name = cmd.getArg(0);
1261                 if (!buf)
1262                         enable = name == "prefs";
1263                 break;
1264         }
1265
1266         case LFUN_INSET_APPLY: {
1267                 string const name = cmd.getArg(0);
1268                 Inset * inset = getOpenInset(name);
1269                 if (inset) {
1270                         FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1271                         FuncStatus fs;
1272                         if (!inset->getStatus(view()->cursor(), fr, fs)) {
1273                                 // Every inset is supposed to handle this
1274                                 LASSERT(false, break);
1275                         }
1276                         flag |= fs;
1277                 } else {
1278                         FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1279                         flag |= lyx::getStatus(fr);
1280                 }
1281                 enable = flag.enabled();
1282                 break;
1283         }
1284
1285         case LFUN_COMPLETION_INLINE:
1286                 if (!d.current_work_area_
1287                     || !d.current_work_area_->completer().inlinePossible(view()->cursor()))
1288                     enable = false;
1289                 break;
1290
1291         case LFUN_COMPLETION_POPUP:
1292                 if (!d.current_work_area_
1293                     || !d.current_work_area_->completer().popupPossible(view()->cursor()))
1294                     enable = false;
1295                 break;
1296
1297         case LFUN_COMPLETION_COMPLETE:
1298                 if (!d.current_work_area_
1299                         || !d.current_work_area_->completer().inlinePossible(view()->cursor()))
1300                     enable = false;
1301                 break;
1302
1303         case LFUN_COMPLETION_ACCEPT:
1304                 if (!d.current_work_area_
1305                     || (!d.current_work_area_->completer().popupVisible()
1306                         && !d.current_work_area_->completer().inlineVisible()
1307                         && !d.current_work_area_->completer().completionAvailable()))
1308                         enable = false;
1309                 break;
1310
1311                 case LFUN_COMPLETION_CANCEL:
1312                 if (!d.current_work_area_
1313                     || (!d.current_work_area_->completer().popupVisible()
1314                         && !d.current_work_area_->completer().inlineVisible()))
1315                         enable = false;
1316                 break;
1317
1318         default:
1319                 return false;
1320         }
1321
1322         if (!enable)
1323                 flag.setEnabled(false);
1324
1325         return true;
1326 }
1327
1328
1329 static FileName selectTemplateFile()
1330 {
1331         FileDialog dlg(qt_("Select template file"));
1332         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1333         dlg.setButton1(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1334
1335         FileDialog::Result result = dlg.open(toqstr(lyxrc.template_path),
1336                              QStringList(qt_("LyX Documents (*.lyx)")));
1337
1338         if (result.first == FileDialog::Later)
1339                 return FileName();
1340         if (result.second.isEmpty())
1341                 return FileName();
1342         return FileName(fromqstr(result.second));
1343 }
1344
1345
1346 Buffer * GuiView::loadDocument(FileName const & filename, bool tolastfiles)
1347 {
1348         setBusy(true);
1349
1350         Buffer * newBuffer = checkAndLoadLyXFile(filename);
1351
1352         if (!newBuffer) {
1353                 message(_("Document not loaded."));
1354                 setBusy(false);
1355                 return 0;
1356         }
1357
1358         setBuffer(newBuffer);
1359
1360         // scroll to the position when the file was last closed
1361         if (lyxrc.use_lastfilepos) {
1362                 LastFilePosSection::FilePos filepos =
1363                         theSession().lastFilePos().load(filename);
1364                 view()->moveToPosition(filepos.pit, filepos.pos, 0, 0);
1365         }
1366
1367         if (tolastfiles)
1368                 theSession().lastFiles().add(filename);
1369
1370         setBusy(false);
1371         return newBuffer;
1372 }
1373
1374
1375 void GuiView::openDocument(string const & fname)
1376 {
1377         string initpath = lyxrc.document_path;
1378
1379         if (buffer()) {
1380                 string const trypath = buffer()->filePath();
1381                 // If directory is writeable, use this as default.
1382                 if (FileName(trypath).isDirWritable())
1383                         initpath = trypath;
1384         }
1385
1386         string filename;
1387
1388         if (fname.empty()) {
1389                 FileDialog dlg(qt_("Select document to open"), LFUN_FILE_OPEN);
1390                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1391                 dlg.setButton2(qt_("Examples|#E#e"),
1392                                 toqstr(addPath(package().system_support().absFilename(), "examples")));
1393
1394                 QStringList filter(qt_("LyX Documents (*.lyx)"));
1395                 filter << qt_("LyX-1.3.x Documents (*.lyx13)")
1396                         << qt_("LyX-1.4.x Documents (*.lyx14)")
1397                         << qt_("LyX-1.5.x Documents (*.lyx15)")
1398                         << qt_("LyX-1.6.x Documents (*.lyx16)");
1399                 FileDialog::Result result =
1400                         dlg.open(toqstr(initpath), filter);
1401
1402                 if (result.first == FileDialog::Later)
1403                         return;
1404
1405                 filename = fromqstr(result.second);
1406
1407                 // check selected filename
1408                 if (filename.empty()) {
1409                         message(_("Canceled."));
1410                         return;
1411                 }
1412         } else
1413                 filename = fname;
1414
1415         // get absolute path of file and add ".lyx" to the filename if
1416         // necessary.
1417         FileName const fullname =
1418                         fileSearch(string(), filename, "lyx", support::may_not_exist);
1419         if (!fullname.empty())
1420                 filename = fullname.absFilename();
1421
1422         if (!fullname.onlyPath().isDirectory()) {
1423                 Alert::warning(_("Invalid filename"),
1424                                 bformat(_("The directory in the given path\n%1$s\ndoes not exists."),
1425                                 from_utf8(fullname.absFilename())));
1426                 return;
1427         }
1428         // if the file doesn't exist, let the user create one
1429         if (!fullname.exists()) {
1430                 // the user specifically chose this name. Believe him.
1431                 Buffer * const b = newFile(filename, string(), true);
1432                 if (b)
1433                         setBuffer(b);
1434                 return;
1435         }
1436
1437         docstring const disp_fn = makeDisplayPath(filename);
1438         message(bformat(_("Opening document %1$s..."), disp_fn));
1439
1440         docstring str2;
1441         Buffer * buf = loadDocument(fullname);
1442         if (buf) {
1443                 buf->updateLabels();
1444                 setBuffer(buf);
1445                 buf->errors("Parse");
1446                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1447                 if (buf->lyxvc().inUse())
1448                         str2 += " " + from_utf8(buf->lyxvc().versionString()) +
1449                                 " " + _("Version control detected.");
1450         } else {
1451                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1452         }
1453         message(str2);
1454 }
1455
1456 // FIXME: clean that
1457 static bool import(GuiView * lv, FileName const & filename,
1458         string const & format, ErrorList & errorList)
1459 {
1460         FileName const lyxfile(support::changeExtension(filename.absFilename(), ".lyx"));
1461
1462         string loader_format;
1463         vector<string> loaders = theConverters().loaders();
1464         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
1465                 for (vector<string>::const_iterator it = loaders.begin();
1466                      it != loaders.end(); ++it) {
1467                         if (!theConverters().isReachable(format, *it))
1468                                 continue;
1469
1470                         string const tofile =
1471                                 support::changeExtension(filename.absFilename(),
1472                                 formats.extension(*it));
1473                         if (!theConverters().convert(0, filename, FileName(tofile),
1474                                 filename, format, *it, errorList))
1475                                 return false;
1476                         loader_format = *it;
1477                         break;
1478                 }
1479                 if (loader_format.empty()) {
1480                         frontend::Alert::error(_("Couldn't import file"),
1481                                      bformat(_("No information for importing the format %1$s."),
1482                                          formats.prettyName(format)));
1483                         return false;
1484                 }
1485         } else
1486                 loader_format = format;
1487
1488         if (loader_format == "lyx") {
1489                 Buffer * buf = lv->loadDocument(lyxfile);
1490                 if (!buf)
1491                         return false;
1492                 buf->updateLabels();
1493                 lv->setBuffer(buf);
1494                 buf->errors("Parse");
1495         } else {
1496                 Buffer * const b = newFile(lyxfile.absFilename(), string(), true);
1497                 if (!b)
1498                         return false;
1499                 lv->setBuffer(b);
1500                 bool as_paragraphs = loader_format == "textparagraph";
1501                 string filename2 = (loader_format == format) ? filename.absFilename()
1502                         : support::changeExtension(filename.absFilename(),
1503                                           formats.extension(loader_format));
1504                 lv->view()->insertPlaintextFile(FileName(filename2), as_paragraphs);
1505                 theLyXFunc().setLyXView(lv);
1506                 lyx::dispatch(FuncRequest(LFUN_MARK_OFF));
1507         }
1508
1509         return true;
1510 }
1511
1512
1513 void GuiView::importDocument(string const & argument)
1514 {
1515         string format;
1516         string filename = split(argument, format, ' ');
1517
1518         LYXERR(Debug::INFO, format << " file: " << filename);
1519
1520         // need user interaction
1521         if (filename.empty()) {
1522                 string initpath = lyxrc.document_path;
1523
1524                 Buffer const * buf = buffer();
1525                 if (buf) {
1526                         string const trypath = buf->filePath();
1527                         // If directory is writeable, use this as default.
1528                         if (FileName(trypath).isDirWritable())
1529                                 initpath = trypath;
1530                 }
1531
1532                 docstring const text = bformat(_("Select %1$s file to import"),
1533                         formats.prettyName(format));
1534
1535                 FileDialog dlg(toqstr(text), LFUN_BUFFER_IMPORT);
1536                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1537                 dlg.setButton2(qt_("Examples|#E#e"),
1538                         toqstr(addPath(package().system_support().absFilename(), "examples")));
1539
1540                 docstring filter = formats.prettyName(format);
1541                 filter += " (*.";
1542                 // FIXME UNICODE
1543                 filter += from_utf8(formats.extension(format));
1544                 filter += ')';
1545
1546                 FileDialog::Result result =
1547                         dlg.open(toqstr(initpath), fileFilters(toqstr(filter)));
1548
1549                 if (result.first == FileDialog::Later)
1550                         return;
1551
1552                 filename = fromqstr(result.second);
1553
1554                 // check selected filename
1555                 if (filename.empty())
1556                         message(_("Canceled."));
1557         }
1558
1559         if (filename.empty())
1560                 return;
1561
1562         // get absolute path of file
1563         FileName const fullname(support::makeAbsPath(filename));
1564
1565         FileName const lyxfile(support::changeExtension(fullname.absFilename(), ".lyx"));
1566
1567         // Check if the document already is open
1568         Buffer * buf = theBufferList().getBuffer(lyxfile);
1569         if (buf) {
1570                 setBuffer(buf);
1571                 if (!closeBuffer()) {
1572                         message(_("Canceled."));
1573                         return;
1574                 }
1575         }
1576
1577         docstring const displaypath = makeDisplayPath(lyxfile.absFilename(), 30);
1578
1579         // if the file exists already, and we didn't do
1580         // -i lyx thefile.lyx, warn
1581         if (lyxfile.exists() && fullname != lyxfile) {
1582
1583                 docstring text = bformat(_("The document %1$s already exists.\n\n"
1584                         "Do you want to overwrite that document?"), displaypath);
1585                 int const ret = Alert::prompt(_("Overwrite document?"),
1586                         text, 0, 1, _("&Overwrite"), _("&Cancel"));
1587
1588                 if (ret == 1) {
1589                         message(_("Canceled."));
1590                         return;
1591                 }
1592         }
1593
1594         message(bformat(_("Importing %1$s..."), displaypath));
1595         ErrorList errorList;
1596         if (import(this, fullname, format, errorList))
1597                 message(_("imported."));
1598         else
1599                 message(_("file not imported!"));
1600
1601         // FIXME (Abdel 12/08/06): Is there a need to display the error list here?
1602 }
1603
1604
1605 void GuiView::newDocument(string const & filename, bool from_template)
1606 {
1607         FileName initpath(lyxrc.document_path);
1608         Buffer * buf = buffer();
1609         if (buf) {
1610                 FileName const trypath(buf->filePath());
1611                 // If directory is writeable, use this as default.
1612                 if (trypath.isDirWritable())
1613                         initpath = trypath;
1614         }
1615
1616         string templatefile = from_template ?
1617                 selectTemplateFile().absFilename() : string();
1618         Buffer * b;
1619         if (filename.empty())
1620                 b = newUnnamedFile(templatefile, initpath);
1621         else
1622                 b = newFile(filename, templatefile, true);
1623
1624         if (b)
1625                 setBuffer(b);
1626         // Ensure the cursor is correctly positionned on screen.
1627         view()->showCursor();
1628 }
1629
1630
1631 void GuiView::insertLyXFile(docstring const & fname)
1632 {
1633         BufferView * bv = view();
1634         if (!bv)
1635                 return;
1636
1637         // FIXME UNICODE
1638         FileName filename(to_utf8(fname));
1639
1640         if (!filename.empty()) {
1641                 bv->insertLyXFile(filename);
1642                 return;
1643         }
1644
1645         // Launch a file browser
1646         // FIXME UNICODE
1647         string initpath = lyxrc.document_path;
1648         string const trypath = bv->buffer().filePath();
1649         // If directory is writeable, use this as default.
1650         if (FileName(trypath).isDirWritable())
1651                 initpath = trypath;
1652
1653         // FIXME UNICODE
1654         FileDialog dlg(qt_("Select LyX document to insert"), LFUN_FILE_INSERT);
1655         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1656         dlg.setButton2(qt_("Examples|#E#e"),
1657                 toqstr(addPath(package().system_support().absFilename(),
1658                 "examples")));
1659
1660         FileDialog::Result result = dlg.open(toqstr(initpath),
1661                              QStringList(qt_("LyX Documents (*.lyx)")));
1662
1663         if (result.first == FileDialog::Later)
1664                 return;
1665
1666         // FIXME UNICODE
1667         filename.set(fromqstr(result.second));
1668
1669         // check selected filename
1670         if (filename.empty()) {
1671                 // emit message signal.
1672                 message(_("Canceled."));
1673                 return;
1674         }
1675
1676         bv->insertLyXFile(filename);
1677 }
1678
1679
1680 void GuiView::insertPlaintextFile(docstring const & fname,
1681         bool asParagraph)
1682 {
1683         BufferView * bv = view();
1684         if (!bv)
1685                 return;
1686
1687         // FIXME UNICODE
1688         FileName filename(to_utf8(fname));
1689
1690         if (!filename.empty()) {
1691                 bv->insertPlaintextFile(filename, asParagraph);
1692                 return;
1693         }
1694
1695         FileDialog dlg(qt_("Select file to insert"), (asParagraph ?
1696                 LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT));
1697
1698         FileDialog::Result result = dlg.open(toqstr(bv->buffer().filePath()),
1699                 QStringList());
1700
1701         if (result.first == FileDialog::Later)
1702                 return;
1703
1704         // FIXME UNICODE
1705         filename.set(fromqstr(result.second));
1706
1707         // check selected filename
1708         if (filename.empty()) {
1709                 // emit message signal.
1710                 message(_("Canceled."));
1711                 return;
1712         }
1713
1714         bv->insertPlaintextFile(filename, asParagraph);
1715 }
1716
1717
1718 bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
1719 {
1720         FileName fname = b.fileName();
1721         FileName const oldname = fname;
1722
1723         if (!newname.empty()) {
1724                 // FIXME UNICODE
1725                 fname = support::makeAbsPath(to_utf8(newname), oldname.onlyPath().absFilename());
1726         } else {
1727                 // Switch to this Buffer.
1728                 setBuffer(&b);
1729
1730                 /// No argument? Ask user through dialog.
1731                 // FIXME UNICODE
1732                 FileDialog dlg(qt_("Choose a filename to save document as"),
1733                                    LFUN_BUFFER_WRITE_AS);
1734                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1735                 dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1736
1737                 if (!isLyXFilename(fname.absFilename()))
1738                         fname.changeExtension(".lyx");
1739
1740                 FileDialog::Result result =
1741                         dlg.save(toqstr(fname.onlyPath().absFilename()),
1742                                QStringList(qt_("LyX Documents (*.lyx)")),
1743                                      toqstr(fname.onlyFileName()));
1744
1745                 if (result.first == FileDialog::Later)
1746                         return false;
1747
1748                 fname.set(fromqstr(result.second));
1749
1750                 if (fname.empty())
1751                         return false;
1752
1753                 if (!isLyXFilename(fname.absFilename()))
1754                         fname.changeExtension(".lyx");
1755         }
1756
1757         if (FileName(fname).exists()) {
1758                 docstring const file = makeDisplayPath(fname.absFilename(), 30);
1759                 docstring text = bformat(_("The document %1$s already "
1760                                            "exists.\n\nDo you want to "
1761                                            "overwrite that document?"),
1762                                          file);
1763                 int const ret = Alert::prompt(_("Overwrite document?"),
1764                         text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
1765                 switch (ret) {
1766                 case 0: break;
1767                 case 1: return renameBuffer(b, docstring());
1768                 case 2: return false;
1769                 }
1770         }
1771
1772         // Ok, change the name of the buffer
1773         b.setFileName(fname.absFilename());
1774         b.markDirty();
1775         bool unnamed = b.isUnnamed();
1776         b.setUnnamed(false);
1777         b.saveCheckSum(fname);
1778
1779         if (!saveBuffer(b)) {
1780                 b.setFileName(oldname.absFilename());
1781                 b.setUnnamed(unnamed);
1782                 b.saveCheckSum(oldname);
1783                 return false;
1784         }
1785
1786         return true;
1787 }
1788
1789
1790 bool GuiView::saveBuffer(Buffer & b)
1791 {
1792         if (workArea(b) && workArea(b)->inDialogMode())
1793                 return true;
1794
1795         if (b.isUnnamed())
1796                 return renameBuffer(b, docstring());
1797
1798         if (b.save()) {
1799                 theSession().lastFiles().add(b.fileName());
1800                 return true;
1801         }
1802
1803         // Switch to this Buffer.
1804         setBuffer(&b);
1805
1806         // FIXME: we don't tell the user *WHY* the save failed !!
1807         docstring const file = makeDisplayPath(b.absFileName(), 30);
1808         docstring text = bformat(_("The document %1$s could not be saved.\n\n"
1809                                    "Do you want to rename the document and "
1810                                    "try again?"), file);
1811         int const ret = Alert::prompt(_("Rename and save?"),
1812                 text, 0, 2, _("&Rename"), _("&Retry"), _("&Cancel"));
1813         switch (ret) {
1814         case 0:
1815                 if (!renameBuffer(b, docstring()))
1816                         return false;
1817                 break;
1818         case 1:
1819                 break;
1820         case 2:
1821                 return false;
1822         }
1823
1824         return saveBuffer(b);
1825 }
1826
1827
1828 bool GuiView::closeBuffer()
1829 {
1830         Buffer * buf = buffer();
1831         return buf && closeBuffer(*buf);
1832 }
1833
1834
1835 bool GuiView::closeBuffer(Buffer & buf, bool tolastopened)
1836 {
1837         // goto bookmark to update bookmark pit.
1838         //FIXME: we should update only the bookmarks related to this buffer!
1839         LYXERR(Debug::DEBUG, "GuiView::closeBuffer()");
1840         for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
1841                 theLyXFunc().gotoBookmark(i+1, false, false);
1842
1843         if (buf.isClean() || buf.paragraphs().empty()) {
1844                 if (buf.masterBuffer() == &buf && tolastopened)
1845                         theSession().lastOpened().add(buf.fileName());
1846                 if (buf.parent())
1847                         // Don't close child documents.
1848                         removeWorkArea(currentMainWorkArea());
1849                 else
1850                         theBufferList().release(&buf);
1851                 return true;
1852         }
1853         // Switch to this Buffer.
1854         setBuffer(&buf);
1855
1856         docstring file;
1857         // FIXME: Unicode?
1858         if (buf.isUnnamed())
1859                 file = from_utf8(buf.fileName().onlyFileName());
1860         else
1861                 file = buf.fileName().displayName(30);
1862
1863         // Bring this window to top before asking questions.
1864         raise();
1865         activateWindow();
1866
1867         docstring const text = bformat(_("The document %1$s has unsaved changes."
1868                 "\n\nDo you want to save the document or discard the changes?"), file);
1869         int const ret = Alert::prompt(_("Save changed document?"),
1870                 text, 0, 2, _("&Save"), _("&Discard"), _("&Cancel"));
1871
1872         switch (ret) {
1873         case 0:
1874                 if (!saveBuffer(buf))
1875                         return false;
1876                 break;
1877         case 1:
1878                 // if we crash after this we could
1879                 // have no autosave file but I guess
1880                 // this is really improbable (Jug)
1881                 removeAutosaveFile(buf.absFileName());
1882                 break;
1883         case 2:
1884                 return false;
1885         }
1886
1887         // save file names to .lyx/session
1888         // if master/slave are both open, do not save slave since it
1889         // will be automatically loaded when the master is loaded
1890         if (buf.masterBuffer() == &buf && tolastopened)
1891                 theSession().lastOpened().add(buf.fileName());
1892
1893         if (buf.parent())
1894                 // Don't close child documents.
1895                 removeWorkArea(currentMainWorkArea());
1896         else
1897                 theBufferList().release(&buf);
1898
1899         return true;
1900 }
1901
1902
1903 bool GuiView::dispatch(FuncRequest const & cmd)
1904 {
1905         BufferView * bv = view();
1906         // By default we won't need any update.
1907         if (bv)
1908                 bv->cursor().updateFlags(Update::None);
1909         bool dispatched = true;
1910
1911         switch(cmd.action) {
1912                 case LFUN_BUFFER_IMPORT:
1913                         importDocument(to_utf8(cmd.argument()));
1914                         break;
1915
1916                 case LFUN_BUFFER_SWITCH:
1917                         setBuffer(theBufferList().getBuffer(FileName(to_utf8(cmd.argument()))));
1918                         break;
1919
1920                 case LFUN_BUFFER_NEXT:
1921                         setBuffer(theBufferList().next(buffer()));
1922                         break;
1923
1924                 case LFUN_BUFFER_PREVIOUS:
1925                         setBuffer(theBufferList().previous(buffer()));
1926                         break;
1927
1928                 case LFUN_COMMAND_EXECUTE: {
1929                         bool const show_it = cmd.argument() != "off";
1930                         // FIXME: this is a hack, "minibuffer" should not be
1931                         // hardcoded.
1932                         if (GuiToolbar * t = toolbar("minibuffer")) {
1933                                 t->setVisible(show_it);
1934                                 if (show_it && t->commandBuffer())
1935                                         t->commandBuffer()->setFocus();
1936                         }
1937                         break;
1938                 }
1939                 case LFUN_DROP_LAYOUTS_CHOICE:
1940                         if (d.layout_)
1941                                 d.layout_->showPopup();
1942                         break;
1943
1944                 case LFUN_MENU_OPEN:
1945                         if (QMenu * menu = guiApp->menus().menu(toqstr(cmd.argument()), *this))
1946                                 menu->exec(QCursor::pos());
1947                         break;
1948
1949                 case LFUN_FILE_INSERT:
1950                         insertLyXFile(cmd.argument());
1951                         break;
1952                 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1953                         insertPlaintextFile(cmd.argument(), true);
1954                         break;
1955
1956                 case LFUN_FILE_INSERT_PLAINTEXT:
1957                         insertPlaintextFile(cmd.argument(), false);
1958                         break;
1959
1960                 case LFUN_BUFFER_WRITE:
1961                         if (bv)
1962                                 saveBuffer(bv->buffer());
1963                         break;
1964
1965                 case LFUN_BUFFER_WRITE_AS:
1966                         if (bv)
1967                                 renameBuffer(bv->buffer(), cmd.argument());
1968                         break;
1969
1970                 case LFUN_BUFFER_WRITE_ALL: {
1971                         Buffer * first = theBufferList().first();
1972                         if (!first)
1973                                 break;
1974                         message(_("Saving all documents..."));
1975                         // We cannot use a for loop as the buffer list cycles.
1976                         Buffer * b = first;
1977                         do {
1978                                 if (!b->isClean()) {
1979                                         saveBuffer(*b);
1980                                         LYXERR(Debug::ACTION, "Saved " << b->absFileName());
1981                                 }
1982                                 b = theBufferList().next(b);
1983                         } while (b != first);
1984                         message(_("All documents saved."));
1985                         break;
1986                 }
1987
1988                 case LFUN_TOOLBAR_TOGGLE: {
1989                         string const name = cmd.getArg(0);
1990                         if (GuiToolbar * t = toolbar(name))
1991                                 t->toggle();
1992                         break;
1993                 }
1994
1995                 case LFUN_DIALOG_UPDATE: {
1996                         string const name = to_utf8(cmd.argument());
1997                         // Can only update a dialog connected to an existing inset
1998                         Inset * inset = getOpenInset(name);
1999                         if (inset) {
2000                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument());
2001                                 inset->dispatch(view()->cursor(), fr);
2002                         } else if (name == "paragraph") {
2003                                 lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
2004                         } else if (name == "prefs" || name == "document") {
2005                                 updateDialog(name, string());
2006                         }
2007                         break;
2008                 }
2009
2010                 case LFUN_DIALOG_TOGGLE: {
2011                         if (isDialogVisible(cmd.getArg(0)))
2012                                 dispatch(FuncRequest(LFUN_DIALOG_HIDE, cmd.argument()));
2013                         else
2014                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, cmd.argument()));
2015                         break;
2016                 }
2017
2018                 case LFUN_DIALOG_DISCONNECT_INSET:
2019                         disconnectDialog(to_utf8(cmd.argument()));
2020                         break;
2021
2022                 case LFUN_DIALOG_HIDE: {
2023                         guiApp->hideDialogs(to_utf8(cmd.argument()), 0);
2024                         break;
2025                 }
2026
2027                 case LFUN_DIALOG_SHOW: {
2028                         string const name = cmd.getArg(0);
2029                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2030
2031                         if (name == "character") {
2032                                 data = freefont2string();
2033                                 if (!data.empty())
2034                                         showDialog("character", data);
2035                         } else if (name == "latexlog") {
2036                                 Buffer::LogType type;
2037                                 string const logfile = buffer()->logName(&type);
2038                                 switch (type) {
2039                                 case Buffer::latexlog:
2040                                         data = "latex ";
2041                                         break;
2042                                 case Buffer::buildlog:
2043                                         data = "literate ";
2044                                         break;
2045                                 }
2046                                 data += Lexer::quoteString(logfile);
2047                                 showDialog("log", data);
2048                         } else if (name == "vclog") {
2049                                 string const data = "vc " +
2050                                         Lexer::quoteString(buffer()->lyxvc().getLogFile());
2051                                 showDialog("log", data);
2052                         } else if (name == "symbols") {
2053                                 data = bv->cursor().getEncoding()->name();
2054                                 if (!data.empty())
2055                                         showDialog("symbols", data);
2056                         // bug 5274
2057                         } else if (name == "prefs" && isFullScreen()) {
2058                                 FuncRequest fr(LFUN_INSET_INSERT, "fullscreen");
2059                                 lfunUiToggle(fr);
2060                                 showDialog("prefs", data);
2061                         } else
2062                                 showDialog(name, data);
2063                         break;
2064                 }
2065
2066                 case LFUN_INSET_APPLY: {
2067                         string const name = cmd.getArg(0);
2068                         Inset * inset = getOpenInset(name);
2069                         if (inset) {
2070                                 // put cursor in front of inset.
2071                                 if (!view()->setCursorFromInset(inset)) {
2072                                         LASSERT(false, break);
2073                                 }
2074
2075                                 // useful if we are called from a dialog.
2076                                 view()->cursor().beginUndoGroup();
2077                                 view()->cursor().recordUndo();
2078                                 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2079                                 inset->dispatch(view()->cursor(), fr);
2080                                 view()->cursor().endUndoGroup();
2081                         } else {
2082                                 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2083                                 lyx::dispatch(fr);
2084                         }
2085                         break;
2086                 }
2087
2088                 case LFUN_UI_TOGGLE:
2089                         lfunUiToggle(cmd);
2090                         // Make sure the keyboard focus stays in the work area.
2091                         setFocus();
2092                         break;
2093
2094                 case LFUN_SPLIT_VIEW:
2095                         if (Buffer * buf = buffer()) {
2096                                 string const orientation = cmd.getArg(0);
2097                                 d.splitter_->setOrientation(orientation == "vertical"
2098                                         ? Qt::Vertical : Qt::Horizontal);
2099                                 TabWorkArea * twa = addTabWorkArea();
2100                                 GuiWorkArea * wa = twa->addWorkArea(*buf, *this);
2101                                 setCurrentWorkArea(wa);
2102                         }
2103                         break;
2104
2105                 case LFUN_CLOSE_TAB_GROUP:
2106                         if (TabWorkArea * twa = d.currentTabWorkArea()) {
2107                                 delete twa;
2108                                 twa = d.currentTabWorkArea();
2109                                 // Switch to the next GuiWorkArea in the found TabWorkArea.
2110                                 if (twa) {
2111                                         // Make sure the work area is up to date.
2112                                         setCurrentWorkArea(twa->currentWorkArea());
2113                                 } else {
2114                                         setCurrentWorkArea(0);
2115                                 }
2116                         }
2117                         break;
2118
2119                 case LFUN_COMPLETION_INLINE:
2120                         if (d.current_work_area_)
2121                                 d.current_work_area_->completer().showInline();
2122                         break;
2123
2124                 case LFUN_COMPLETION_POPUP:
2125                         if (d.current_work_area_)
2126                                 d.current_work_area_->completer().showPopup();
2127                         break;
2128
2129
2130                 case LFUN_COMPLETION_COMPLETE:
2131                         if (d.current_work_area_)
2132                                 d.current_work_area_->completer().tab();
2133                         break;
2134
2135                 case LFUN_COMPLETION_CANCEL:
2136                         if (d.current_work_area_) {
2137                                 if (d.current_work_area_->completer().popupVisible())
2138                                         d.current_work_area_->completer().hidePopup();
2139                                 else
2140                                         d.current_work_area_->completer().hideInline();
2141                         }
2142                         break;
2143
2144                 case LFUN_COMPLETION_ACCEPT:
2145                         if (d.current_work_area_)
2146                                 d.current_work_area_->completer().activate();
2147                         break;
2148
2149
2150                 default:
2151                         dispatched = false;
2152                         break;
2153         }
2154
2155         // Part of automatic menu appearance feature.
2156         if (isFullScreen()) {
2157                 if (menuBar()->isVisible())
2158                         menuBar()->hide();
2159                 if (statusBar()->isVisible())
2160                         statusBar()->hide();
2161         }
2162
2163         return dispatched;
2164 }
2165
2166
2167 void GuiView::lfunUiToggle(FuncRequest const & cmd)
2168 {
2169         string const arg = cmd.getArg(0);
2170         if (arg == "scrollbar") {
2171                 // hide() is of no help
2172                 if (d.current_work_area_->verticalScrollBarPolicy() ==
2173                         Qt::ScrollBarAlwaysOff)
2174
2175                         d.current_work_area_->setVerticalScrollBarPolicy(
2176                                 Qt::ScrollBarAsNeeded);
2177                 else
2178                         d.current_work_area_->setVerticalScrollBarPolicy(
2179                                 Qt::ScrollBarAlwaysOff);
2180                 return;
2181         }
2182         if (arg == "statusbar") {
2183                 statusBar()->setVisible(!statusBar()->isVisible());
2184                 return;
2185         }
2186         if (arg == "menubar") {
2187                 menuBar()->setVisible(!menuBar()->isVisible());
2188                 return;
2189         }
2190 #if QT_VERSION >= 0x040300
2191         if (arg == "frame") {
2192                 int l, t, r, b;
2193                 getContentsMargins(&l, &t, &r, &b);
2194                 //are the frames in default state?
2195                 d.current_work_area_->setFrameStyle(QFrame::NoFrame);
2196                 if (l == 0) {
2197                         setContentsMargins(-2, -2, -2, -2);
2198                 } else {
2199                         setContentsMargins(0, 0, 0, 0);
2200                 }
2201                 return;
2202         }
2203 #endif
2204         if (arg == "fullscreen") {
2205                 toggleFullScreen();
2206                 return;
2207         }
2208
2209         message(bformat("LFUN_UI_TOGGLE " + _("%1$s unknown command!"), from_utf8(arg)));
2210 }
2211
2212
2213 void GuiView::toggleFullScreen()
2214 {
2215         if (isFullScreen()) {
2216                 for (int i = 0; i != d.splitter_->count(); ++i)
2217                         d.tabWorkArea(i)->setFullScreen(false);
2218 #if QT_VERSION >= 0x040300
2219                 setContentsMargins(0, 0, 0, 0);
2220 #endif
2221                 setWindowState(windowState() ^ Qt::WindowFullScreen);
2222                 restoreLayout();
2223                 menuBar()->show();
2224                 statusBar()->show();
2225         } else {
2226                 // bug 5274
2227                 hideDialogs("prefs", 0);
2228                 for (int i = 0; i != d.splitter_->count(); ++i)
2229                         d.tabWorkArea(i)->setFullScreen(true);
2230 #if QT_VERSION >= 0x040300
2231                 setContentsMargins(-2, -2, -2, -2);
2232 #endif
2233                 saveLayout();
2234                 setWindowState(windowState() ^ Qt::WindowFullScreen);
2235                 statusBar()->hide();
2236                 menuBar()->hide();
2237                 if (lyxrc.full_screen_toolbars) {
2238                         ToolbarMap::iterator end = d.toolbars_.end();
2239                         for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
2240                                 it->second->hide();
2241                 }
2242         }
2243
2244         // give dialogs like the TOC a chance to adapt
2245         updateDialogs();
2246 }
2247
2248
2249 Buffer const * GuiView::updateInset(Inset const * inset)
2250 {
2251         if (!d.current_work_area_)
2252                 return 0;
2253
2254         if (inset)
2255                 d.current_work_area_->scheduleRedraw();
2256
2257         return &d.current_work_area_->bufferView().buffer();
2258 }
2259
2260
2261 void GuiView::restartCursor()
2262 {
2263         /* When we move around, or type, it's nice to be able to see
2264          * the cursor immediately after the keypress.
2265          */
2266         if (d.current_work_area_)
2267                 d.current_work_area_->startBlinkingCursor();
2268
2269         // Take this occasion to update the other GUI elements.
2270         updateDialogs();
2271         updateStatusBar();
2272 }
2273
2274
2275 void GuiView::updateCompletion(Cursor & cur, bool start, bool keep)
2276 {
2277         if (d.current_work_area_)
2278                 d.current_work_area_->completer().updateVisibility(cur, start, keep);
2279 }
2280
2281 namespace {
2282
2283 // This list should be kept in sync with the list of insets in
2284 // src/insets/Inset.cpp.  I.e., if a dialog goes with an inset, the
2285 // dialog should have the same name as the inset.
2286 // Changes should be also recorded in LFUN_DIALOG_SHOW doxygen
2287 // docs in LyXAction.cpp.
2288
2289 char const * const dialognames[] = {
2290 "aboutlyx", "bibitem", "bibtex", "box", "branch", "changes", "character",
2291 "citation", "document", "errorlist", "ert", "external", "file",
2292 "findreplace", "float", "graphics", "include", "index", "info", "nomenclature", "label", "log",
2293 "mathdelimiter", "mathmatrix", "mathspace", "note", "paragraph", "prefs", "print",
2294 "ref", "sendto", "space", "spellchecker", "symbols", "tabular", "tabularcreate",
2295
2296 #ifdef HAVE_LIBAIKSAURUS
2297 "thesaurus",
2298 #endif
2299
2300 "texinfo", "toc", "href", "view-source", "vspace", "wrap", "listings", "findreplaceadv" };
2301
2302 char const * const * const end_dialognames =
2303         dialognames + (sizeof(dialognames) / sizeof(char *));
2304
2305 class cmpCStr {
2306 public:
2307         cmpCStr(char const * name) : name_(name) {}
2308         bool operator()(char const * other) {
2309                 return strcmp(other, name_) == 0;
2310         }
2311 private:
2312         char const * name_;
2313 };
2314
2315
2316 bool isValidName(string const & name)
2317 {
2318         return find_if(dialognames, end_dialognames,
2319                             cmpCStr(name.c_str())) != end_dialognames;
2320 }
2321
2322 } // namespace anon
2323
2324
2325 void GuiView::resetDialogs()
2326 {
2327         // Make sure that no LFUN uses any LyXView.
2328         theLyXFunc().setLyXView(0);
2329         saveLayout();
2330         menuBar()->clear();
2331         constructToolbars();
2332         guiApp->menus().fillMenuBar(menuBar(), this, false);
2333         if (d.layout_)
2334                 d.layout_->updateContents(true);
2335         // Now update controls with current buffer.
2336         theLyXFunc().setLyXView(this);
2337         restoreLayout();
2338         restartCursor();
2339 }
2340
2341
2342 Dialog * GuiView::findOrBuild(string const & name, bool hide_it)
2343 {
2344         if (!isValidName(name))
2345                 return 0;
2346
2347         map<string, DialogPtr>::iterator it = d.dialogs_.find(name);
2348
2349         if (it != d.dialogs_.end()) {
2350                 if (hide_it)
2351                         it->second->hideView();
2352                 return it->second.get();
2353         }
2354
2355         Dialog * dialog = build(name);
2356         d.dialogs_[name].reset(dialog);
2357         if (lyxrc.allow_geometry_session)
2358                 dialog->restoreSession();
2359         if (hide_it)
2360                 dialog->hideView();
2361         return dialog;
2362 }
2363
2364
2365 void GuiView::showDialog(string const & name, string const & data,
2366         Inset * inset)
2367 {
2368         if (d.in_show_)
2369                 return;
2370
2371         d.in_show_ = true;
2372         try {
2373                 Dialog * dialog = findOrBuild(name, false);
2374                 if (dialog) {
2375                         dialog->showData(data);
2376                         if (inset)
2377                                 d.open_insets_[name] = inset;
2378                 }
2379         }
2380         catch (ExceptionMessage const & ex) {
2381                 d.in_show_ = false;
2382                 throw ex;
2383         }
2384         d.in_show_ = false;
2385 }
2386
2387
2388 bool GuiView::isDialogVisible(string const & name) const
2389 {
2390         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
2391         if (it == d.dialogs_.end())
2392                 return false;
2393         return it->second.get()->isVisibleView();
2394 }
2395
2396
2397 void GuiView::hideDialog(string const & name, Inset * inset)
2398 {
2399         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
2400         if (it == d.dialogs_.end())
2401                 return;
2402
2403         if (inset && inset != getOpenInset(name))
2404                 return;
2405
2406         Dialog * const dialog = it->second.get();
2407         if (dialog->isVisibleView())
2408                 dialog->hideView();
2409         d.open_insets_[name] = 0;
2410 }
2411
2412
2413 void GuiView::disconnectDialog(string const & name)
2414 {
2415         if (!isValidName(name))
2416                 return;
2417
2418         if (d.open_insets_.find(name) != d.open_insets_.end())
2419                 d.open_insets_[name] = 0;
2420 }
2421
2422
2423 Inset * GuiView::getOpenInset(string const & name) const
2424 {
2425         if (!isValidName(name))
2426                 return 0;
2427
2428         map<string, Inset *>::const_iterator it = d.open_insets_.find(name);
2429         return it == d.open_insets_.end() ? 0 : it->second;
2430 }
2431
2432
2433 void GuiView::hideAll() const
2434 {
2435         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
2436         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
2437
2438         for(; it != end; ++it)
2439                 it->second->hideView();
2440 }
2441
2442
2443 void GuiView::updateDialogs()
2444 {
2445         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
2446         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
2447
2448         for(; it != end; ++it) {
2449                 Dialog * dialog = it->second.get();
2450                 if (dialog && dialog->isVisibleView())
2451                         dialog->checkStatus();
2452         }
2453         updateToolbars();
2454         updateLayoutList();
2455 }
2456
2457
2458 // will be replaced by a proper factory...
2459 Dialog * createGuiAbout(GuiView & lv);
2460 Dialog * createGuiBibitem(GuiView & lv);
2461 Dialog * createGuiBibtex(GuiView & lv);
2462 Dialog * createGuiBox(GuiView & lv);
2463 Dialog * createGuiBranch(GuiView & lv);
2464 Dialog * createGuiChanges(GuiView & lv);
2465 Dialog * createGuiCharacter(GuiView & lv);
2466 Dialog * createGuiCitation(GuiView & lv);
2467 Dialog * createGuiDelimiter(GuiView & lv);
2468 Dialog * createGuiDocument(GuiView & lv);
2469 Dialog * createGuiErrorList(GuiView & lv);
2470 Dialog * createGuiERT(GuiView & lv);
2471 Dialog * createGuiExternal(GuiView & lv);
2472 Dialog * createGuiFloat(GuiView & lv);
2473 Dialog * createGuiGraphics(GuiView & lv);
2474 Dialog * createGuiInclude(GuiView & lv);
2475 Dialog * createGuiInfo(GuiView & lv);
2476 Dialog * createGuiLabel(GuiView & lv);
2477 Dialog * createGuiListings(GuiView & lv);
2478 Dialog * createGuiLog(GuiView & lv);
2479 Dialog * createGuiMathHSpace(GuiView & lv);
2480 Dialog * createGuiMathMatrix(GuiView & lv);
2481 Dialog * createGuiNomenclature(GuiView & lv);
2482 Dialog * createGuiNote(GuiView & lv);
2483 Dialog * createGuiParagraph(GuiView & lv);
2484 Dialog * createGuiPreferences(GuiView & lv);
2485 Dialog * createGuiPrint(GuiView & lv);
2486 Dialog * createGuiRef(GuiView & lv);
2487 Dialog * createGuiSearch(GuiView & lv);
2488 Dialog * createGuiSearchAdv(GuiView & lv);
2489 Dialog * createGuiSendTo(GuiView & lv);
2490 Dialog * createGuiShowFile(GuiView & lv);
2491 Dialog * createGuiSpellchecker(GuiView & lv);
2492 Dialog * createGuiSymbols(GuiView & lv);
2493 Dialog * createGuiTabularCreate(GuiView & lv);
2494 Dialog * createGuiTabular(GuiView & lv);
2495 Dialog * createGuiTexInfo(GuiView & lv);
2496 Dialog * createGuiTextHSpace(GuiView & lv);
2497 Dialog * createGuiToc(GuiView & lv);
2498 Dialog * createGuiThesaurus(GuiView & lv);
2499 Dialog * createGuiHyperlink(GuiView & lv);
2500 Dialog * createGuiVSpace(GuiView & lv);
2501 Dialog * createGuiViewSource(GuiView & lv);
2502 Dialog * createGuiWrap(GuiView & lv);
2503
2504
2505 Dialog * GuiView::build(string const & name)
2506 {
2507         LASSERT(isValidName(name), return 0);
2508
2509         if (name == "aboutlyx")
2510                 return createGuiAbout(*this);
2511         if (name == "bibitem")
2512                 return createGuiBibitem(*this);
2513         if (name == "bibtex")
2514                 return createGuiBibtex(*this);
2515         if (name == "box")
2516                 return createGuiBox(*this);
2517         if (name == "branch")
2518                 return createGuiBranch(*this);
2519         if (name == "changes")
2520                 return createGuiChanges(*this);
2521         if (name == "character")
2522                 return createGuiCharacter(*this);
2523         if (name == "citation")
2524                 return createGuiCitation(*this);
2525         if (name == "document")
2526                 return createGuiDocument(*this);
2527         if (name == "errorlist")
2528                 return createGuiErrorList(*this);
2529         if (name == "ert")
2530                 return createGuiERT(*this);
2531         if (name == "external")
2532                 return createGuiExternal(*this);
2533         if (name == "file")
2534                 return createGuiShowFile(*this);
2535         if (name == "findreplace")
2536                 return createGuiSearch(*this);
2537         if (name == "findreplaceadv")
2538                 return createGuiSearchAdv(*this);
2539         if (name == "float")
2540                 return createGuiFloat(*this);
2541         if (name == "graphics")
2542                 return createGuiGraphics(*this);
2543         if (name == "include")
2544                 return createGuiInclude(*this);
2545         if (name == "info")
2546                 return createGuiInfo(*this);
2547         if (name == "nomenclature")
2548                 return createGuiNomenclature(*this);
2549         if (name == "label")
2550                 return createGuiLabel(*this);
2551         if (name == "log")
2552                 return createGuiLog(*this);
2553         if (name == "view-source")
2554                 return createGuiViewSource(*this);
2555         if (name == "mathdelimiter")
2556                 return createGuiDelimiter(*this);
2557         if (name == "mathspace")
2558                 return createGuiMathHSpace(*this);
2559         if (name == "mathmatrix")
2560                 return createGuiMathMatrix(*this);
2561         if (name == "note")
2562                 return createGuiNote(*this);
2563         if (name == "paragraph")
2564                 return createGuiParagraph(*this);
2565         if (name == "prefs")
2566                 return createGuiPreferences(*this);
2567         if (name == "print")
2568                 return createGuiPrint(*this);
2569         if (name == "ref")
2570                 return createGuiRef(*this);
2571         if (name == "sendto")
2572                 return createGuiSendTo(*this);
2573         if (name == "space")
2574                 return createGuiTextHSpace(*this);
2575         if (name == "spellchecker")
2576                 return createGuiSpellchecker(*this);
2577         if (name == "symbols")
2578                 return createGuiSymbols(*this);
2579         if (name == "tabular")
2580                 return createGuiTabular(*this);
2581         if (name == "tabularcreate")
2582                 return createGuiTabularCreate(*this);
2583         if (name == "texinfo")
2584                 return createGuiTexInfo(*this);
2585 #ifdef HAVE_LIBAIKSAURUS
2586         if (name == "thesaurus")
2587                 return createGuiThesaurus(*this);
2588 #endif
2589         if (name == "toc")
2590                 return createGuiToc(*this);
2591         if (name == "href")
2592                 return createGuiHyperlink(*this);
2593         if (name == "vspace")
2594                 return createGuiVSpace(*this);
2595         if (name == "wrap")
2596                 return createGuiWrap(*this);
2597         if (name == "listings")
2598                 return createGuiListings(*this);
2599
2600         return 0;
2601 }
2602
2603
2604 } // namespace frontend
2605 } // namespace lyx
2606
2607 #include "moc_GuiView.cpp"