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
1627         // If no new document could be created, it is unsure
1628         // whether there is a valid BufferView.
1629         if (view())
1630                 // Ensure the cursor is correctly positioned on screen.
1631                 view()->showCursor();
1632 }
1633
1634
1635 void GuiView::insertLyXFile(docstring const & fname)
1636 {
1637         BufferView * bv = view();
1638         if (!bv)
1639                 return;
1640
1641         // FIXME UNICODE
1642         FileName filename(to_utf8(fname));
1643
1644         if (!filename.empty()) {
1645                 bv->insertLyXFile(filename);
1646                 return;
1647         }
1648
1649         // Launch a file browser
1650         // FIXME UNICODE
1651         string initpath = lyxrc.document_path;
1652         string const trypath = bv->buffer().filePath();
1653         // If directory is writeable, use this as default.
1654         if (FileName(trypath).isDirWritable())
1655                 initpath = trypath;
1656
1657         // FIXME UNICODE
1658         FileDialog dlg(qt_("Select LyX document to insert"), LFUN_FILE_INSERT);
1659         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1660         dlg.setButton2(qt_("Examples|#E#e"),
1661                 toqstr(addPath(package().system_support().absFilename(),
1662                 "examples")));
1663
1664         FileDialog::Result result = dlg.open(toqstr(initpath),
1665                              QStringList(qt_("LyX Documents (*.lyx)")));
1666
1667         if (result.first == FileDialog::Later)
1668                 return;
1669
1670         // FIXME UNICODE
1671         filename.set(fromqstr(result.second));
1672
1673         // check selected filename
1674         if (filename.empty()) {
1675                 // emit message signal.
1676                 message(_("Canceled."));
1677                 return;
1678         }
1679
1680         bv->insertLyXFile(filename);
1681 }
1682
1683
1684 void GuiView::insertPlaintextFile(docstring const & fname,
1685         bool asParagraph)
1686 {
1687         BufferView * bv = view();
1688         if (!bv)
1689                 return;
1690
1691         // FIXME UNICODE
1692         FileName filename(to_utf8(fname));
1693
1694         if (!filename.empty()) {
1695                 bv->insertPlaintextFile(filename, asParagraph);
1696                 return;
1697         }
1698
1699         FileDialog dlg(qt_("Select file to insert"), (asParagraph ?
1700                 LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT));
1701
1702         FileDialog::Result result = dlg.open(toqstr(bv->buffer().filePath()),
1703                 QStringList());
1704
1705         if (result.first == FileDialog::Later)
1706                 return;
1707
1708         // FIXME UNICODE
1709         filename.set(fromqstr(result.second));
1710
1711         // check selected filename
1712         if (filename.empty()) {
1713                 // emit message signal.
1714                 message(_("Canceled."));
1715                 return;
1716         }
1717
1718         bv->insertPlaintextFile(filename, asParagraph);
1719 }
1720
1721
1722 bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
1723 {
1724         FileName fname = b.fileName();
1725         FileName const oldname = fname;
1726
1727         if (!newname.empty()) {
1728                 // FIXME UNICODE
1729                 fname = support::makeAbsPath(to_utf8(newname), oldname.onlyPath().absFilename());
1730         } else {
1731                 // Switch to this Buffer.
1732                 setBuffer(&b);
1733
1734                 /// No argument? Ask user through dialog.
1735                 // FIXME UNICODE
1736                 FileDialog dlg(qt_("Choose a filename to save document as"),
1737                                    LFUN_BUFFER_WRITE_AS);
1738                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1739                 dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1740
1741                 if (!isLyXFilename(fname.absFilename()))
1742                         fname.changeExtension(".lyx");
1743
1744                 FileDialog::Result result =
1745                         dlg.save(toqstr(fname.onlyPath().absFilename()),
1746                                QStringList(qt_("LyX Documents (*.lyx)")),
1747                                      toqstr(fname.onlyFileName()));
1748
1749                 if (result.first == FileDialog::Later)
1750                         return false;
1751
1752                 fname.set(fromqstr(result.second));
1753
1754                 if (fname.empty())
1755                         return false;
1756
1757                 if (!isLyXFilename(fname.absFilename()))
1758                         fname.changeExtension(".lyx");
1759         }
1760
1761         if (FileName(fname).exists()) {
1762                 docstring const file = makeDisplayPath(fname.absFilename(), 30);
1763                 docstring text = bformat(_("The document %1$s already "
1764                                            "exists.\n\nDo you want to "
1765                                            "overwrite that document?"),
1766                                          file);
1767                 int const ret = Alert::prompt(_("Overwrite document?"),
1768                         text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
1769                 switch (ret) {
1770                 case 0: break;
1771                 case 1: return renameBuffer(b, docstring());
1772                 case 2: return false;
1773                 }
1774         }
1775
1776         // Ok, change the name of the buffer
1777         b.setFileName(fname.absFilename());
1778         b.markDirty();
1779         bool unnamed = b.isUnnamed();
1780         b.setUnnamed(false);
1781         b.saveCheckSum(fname);
1782
1783         if (!saveBuffer(b)) {
1784                 b.setFileName(oldname.absFilename());
1785                 b.setUnnamed(unnamed);
1786                 b.saveCheckSum(oldname);
1787                 return false;
1788         }
1789
1790         return true;
1791 }
1792
1793
1794 bool GuiView::saveBuffer(Buffer & b)
1795 {
1796         if (workArea(b) && workArea(b)->inDialogMode())
1797                 return true;
1798
1799         if (b.isUnnamed())
1800                 return renameBuffer(b, docstring());
1801
1802         if (b.save()) {
1803                 theSession().lastFiles().add(b.fileName());
1804                 return true;
1805         }
1806
1807         // Switch to this Buffer.
1808         setBuffer(&b);
1809
1810         // FIXME: we don't tell the user *WHY* the save failed !!
1811         docstring const file = makeDisplayPath(b.absFileName(), 30);
1812         docstring text = bformat(_("The document %1$s could not be saved.\n\n"
1813                                    "Do you want to rename the document and "
1814                                    "try again?"), file);
1815         int const ret = Alert::prompt(_("Rename and save?"),
1816                 text, 0, 2, _("&Rename"), _("&Retry"), _("&Cancel"));
1817         switch (ret) {
1818         case 0:
1819                 if (!renameBuffer(b, docstring()))
1820                         return false;
1821                 break;
1822         case 1:
1823                 break;
1824         case 2:
1825                 return false;
1826         }
1827
1828         return saveBuffer(b);
1829 }
1830
1831
1832 bool GuiView::closeBuffer()
1833 {
1834         Buffer * buf = buffer();
1835         return buf && closeBuffer(*buf);
1836 }
1837
1838
1839 bool GuiView::closeBuffer(Buffer & buf, bool tolastopened)
1840 {
1841         // goto bookmark to update bookmark pit.
1842         //FIXME: we should update only the bookmarks related to this buffer!
1843         LYXERR(Debug::DEBUG, "GuiView::closeBuffer()");
1844         for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
1845                 theLyXFunc().gotoBookmark(i+1, false, false);
1846
1847         if (buf.isClean() || buf.paragraphs().empty()) {
1848                 if (buf.masterBuffer() == &buf && tolastopened)
1849                         theSession().lastOpened().add(buf.fileName());
1850                 if (buf.parent())
1851                         // Don't close child documents.
1852                         removeWorkArea(currentMainWorkArea());
1853                 else
1854                         theBufferList().release(&buf);
1855                 return true;
1856         }
1857         // Switch to this Buffer.
1858         setBuffer(&buf);
1859
1860         docstring file;
1861         // FIXME: Unicode?
1862         if (buf.isUnnamed())
1863                 file = from_utf8(buf.fileName().onlyFileName());
1864         else
1865                 file = buf.fileName().displayName(30);
1866
1867         // Bring this window to top before asking questions.
1868         raise();
1869         activateWindow();
1870
1871         docstring const text = bformat(_("The document %1$s has unsaved changes."
1872                 "\n\nDo you want to save the document or discard the changes?"), file);
1873         int const ret = Alert::prompt(_("Save changed document?"),
1874                 text, 0, 2, _("&Save"), _("&Discard"), _("&Cancel"));
1875
1876         switch (ret) {
1877         case 0:
1878                 if (!saveBuffer(buf))
1879                         return false;
1880                 break;
1881         case 1:
1882                 // if we crash after this we could
1883                 // have no autosave file but I guess
1884                 // this is really improbable (Jug)
1885                 removeAutosaveFile(buf.absFileName());
1886                 break;
1887         case 2:
1888                 return false;
1889         }
1890
1891         // save file names to .lyx/session
1892         // if master/slave are both open, do not save slave since it
1893         // will be automatically loaded when the master is loaded
1894         if (buf.masterBuffer() == &buf && tolastopened)
1895                 theSession().lastOpened().add(buf.fileName());
1896
1897         if (buf.parent())
1898                 // Don't close child documents.
1899                 removeWorkArea(currentMainWorkArea());
1900         else
1901                 theBufferList().release(&buf);
1902
1903         return true;
1904 }
1905
1906
1907 bool GuiView::dispatch(FuncRequest const & cmd)
1908 {
1909         BufferView * bv = view();
1910         // By default we won't need any update.
1911         if (bv)
1912                 bv->cursor().updateFlags(Update::None);
1913         bool dispatched = true;
1914
1915         switch(cmd.action) {
1916                 case LFUN_BUFFER_IMPORT:
1917                         importDocument(to_utf8(cmd.argument()));
1918                         break;
1919
1920                 case LFUN_BUFFER_SWITCH:
1921                         setBuffer(theBufferList().getBuffer(FileName(to_utf8(cmd.argument()))));
1922                         break;
1923
1924                 case LFUN_BUFFER_NEXT:
1925                         setBuffer(theBufferList().next(buffer()));
1926                         break;
1927
1928                 case LFUN_BUFFER_PREVIOUS:
1929                         setBuffer(theBufferList().previous(buffer()));
1930                         break;
1931
1932                 case LFUN_COMMAND_EXECUTE: {
1933                         bool const show_it = cmd.argument() != "off";
1934                         // FIXME: this is a hack, "minibuffer" should not be
1935                         // hardcoded.
1936                         if (GuiToolbar * t = toolbar("minibuffer")) {
1937                                 t->setVisible(show_it);
1938                                 if (show_it && t->commandBuffer())
1939                                         t->commandBuffer()->setFocus();
1940                         }
1941                         break;
1942                 }
1943                 case LFUN_DROP_LAYOUTS_CHOICE:
1944                         if (d.layout_)
1945                                 d.layout_->showPopup();
1946                         break;
1947
1948                 case LFUN_MENU_OPEN:
1949                         if (QMenu * menu = guiApp->menus().menu(toqstr(cmd.argument()), *this))
1950                                 menu->exec(QCursor::pos());
1951                         break;
1952
1953                 case LFUN_FILE_INSERT:
1954                         insertLyXFile(cmd.argument());
1955                         break;
1956                 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1957                         insertPlaintextFile(cmd.argument(), true);
1958                         break;
1959
1960                 case LFUN_FILE_INSERT_PLAINTEXT:
1961                         insertPlaintextFile(cmd.argument(), false);
1962                         break;
1963
1964                 case LFUN_BUFFER_WRITE:
1965                         if (bv)
1966                                 saveBuffer(bv->buffer());
1967                         break;
1968
1969                 case LFUN_BUFFER_WRITE_AS:
1970                         if (bv)
1971                                 renameBuffer(bv->buffer(), cmd.argument());
1972                         break;
1973
1974                 case LFUN_BUFFER_WRITE_ALL: {
1975                         Buffer * first = theBufferList().first();
1976                         if (!first)
1977                                 break;
1978                         message(_("Saving all documents..."));
1979                         // We cannot use a for loop as the buffer list cycles.
1980                         Buffer * b = first;
1981                         do {
1982                                 if (!b->isClean()) {
1983                                         saveBuffer(*b);
1984                                         LYXERR(Debug::ACTION, "Saved " << b->absFileName());
1985                                 }
1986                                 b = theBufferList().next(b);
1987                         } while (b != first);
1988                         message(_("All documents saved."));
1989                         break;
1990                 }
1991
1992                 case LFUN_TOOLBAR_TOGGLE: {
1993                         string const name = cmd.getArg(0);
1994                         if (GuiToolbar * t = toolbar(name))
1995                                 t->toggle();
1996                         break;
1997                 }
1998
1999                 case LFUN_DIALOG_UPDATE: {
2000                         string const name = to_utf8(cmd.argument());
2001                         // Can only update a dialog connected to an existing inset
2002                         Inset * inset = getOpenInset(name);
2003                         if (inset) {
2004                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument());
2005                                 inset->dispatch(view()->cursor(), fr);
2006                         } else if (name == "paragraph") {
2007                                 lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
2008                         } else if (name == "prefs" || name == "document") {
2009                                 updateDialog(name, string());
2010                         }
2011                         break;
2012                 }
2013
2014                 case LFUN_DIALOG_TOGGLE: {
2015                         if (isDialogVisible(cmd.getArg(0)))
2016                                 dispatch(FuncRequest(LFUN_DIALOG_HIDE, cmd.argument()));
2017                         else
2018                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, cmd.argument()));
2019                         break;
2020                 }
2021
2022                 case LFUN_DIALOG_DISCONNECT_INSET:
2023                         disconnectDialog(to_utf8(cmd.argument()));
2024                         break;
2025
2026                 case LFUN_DIALOG_HIDE: {
2027                         guiApp->hideDialogs(to_utf8(cmd.argument()), 0);
2028                         break;
2029                 }
2030
2031                 case LFUN_DIALOG_SHOW: {
2032                         string const name = cmd.getArg(0);
2033                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2034
2035                         if (name == "character") {
2036                                 data = freefont2string();
2037                                 if (!data.empty())
2038                                         showDialog("character", data);
2039                         } else if (name == "latexlog") {
2040                                 Buffer::LogType type;
2041                                 string const logfile = buffer()->logName(&type);
2042                                 switch (type) {
2043                                 case Buffer::latexlog:
2044                                         data = "latex ";
2045                                         break;
2046                                 case Buffer::buildlog:
2047                                         data = "literate ";
2048                                         break;
2049                                 }
2050                                 data += Lexer::quoteString(logfile);
2051                                 showDialog("log", data);
2052                         } else if (name == "vclog") {
2053                                 string const data = "vc " +
2054                                         Lexer::quoteString(buffer()->lyxvc().getLogFile());
2055                                 showDialog("log", data);
2056                         } else if (name == "symbols") {
2057                                 data = bv->cursor().getEncoding()->name();
2058                                 if (!data.empty())
2059                                         showDialog("symbols", data);
2060                         // bug 5274
2061                         } else if (name == "prefs" && isFullScreen()) {
2062                                 FuncRequest fr(LFUN_INSET_INSERT, "fullscreen");
2063                                 lfunUiToggle(fr);
2064                                 showDialog("prefs", data);
2065                         } else
2066                                 showDialog(name, data);
2067                         break;
2068                 }
2069
2070                 case LFUN_INSET_APPLY: {
2071                         string const name = cmd.getArg(0);
2072                         Inset * inset = getOpenInset(name);
2073                         if (inset) {
2074                                 // put cursor in front of inset.
2075                                 if (!view()->setCursorFromInset(inset)) {
2076                                         LASSERT(false, break);
2077                                 }
2078
2079                                 // useful if we are called from a dialog.
2080                                 view()->cursor().beginUndoGroup();
2081                                 view()->cursor().recordUndo();
2082                                 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2083                                 inset->dispatch(view()->cursor(), fr);
2084                                 view()->cursor().endUndoGroup();
2085                         } else {
2086                                 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2087                                 lyx::dispatch(fr);
2088                         }
2089                         break;
2090                 }
2091
2092                 case LFUN_UI_TOGGLE:
2093                         lfunUiToggle(cmd);
2094                         // Make sure the keyboard focus stays in the work area.
2095                         setFocus();
2096                         break;
2097
2098                 case LFUN_SPLIT_VIEW:
2099                         if (Buffer * buf = buffer()) {
2100                                 string const orientation = cmd.getArg(0);
2101                                 d.splitter_->setOrientation(orientation == "vertical"
2102                                         ? Qt::Vertical : Qt::Horizontal);
2103                                 TabWorkArea * twa = addTabWorkArea();
2104                                 GuiWorkArea * wa = twa->addWorkArea(*buf, *this);
2105                                 setCurrentWorkArea(wa);
2106                         }
2107                         break;
2108
2109                 case LFUN_CLOSE_TAB_GROUP:
2110                         if (TabWorkArea * twa = d.currentTabWorkArea()) {
2111                                 delete twa;
2112                                 twa = d.currentTabWorkArea();
2113                                 // Switch to the next GuiWorkArea in the found TabWorkArea.
2114                                 if (twa) {
2115                                         // Make sure the work area is up to date.
2116                                         setCurrentWorkArea(twa->currentWorkArea());
2117                                 } else {
2118                                         setCurrentWorkArea(0);
2119                                 }
2120                         }
2121                         break;
2122
2123                 case LFUN_COMPLETION_INLINE:
2124                         if (d.current_work_area_)
2125                                 d.current_work_area_->completer().showInline();
2126                         break;
2127
2128                 case LFUN_COMPLETION_POPUP:
2129                         if (d.current_work_area_)
2130                                 d.current_work_area_->completer().showPopup();
2131                         break;
2132
2133
2134                 case LFUN_COMPLETION_COMPLETE:
2135                         if (d.current_work_area_)
2136                                 d.current_work_area_->completer().tab();
2137                         break;
2138
2139                 case LFUN_COMPLETION_CANCEL:
2140                         if (d.current_work_area_) {
2141                                 if (d.current_work_area_->completer().popupVisible())
2142                                         d.current_work_area_->completer().hidePopup();
2143                                 else
2144                                         d.current_work_area_->completer().hideInline();
2145                         }
2146                         break;
2147
2148                 case LFUN_COMPLETION_ACCEPT:
2149                         if (d.current_work_area_)
2150                                 d.current_work_area_->completer().activate();
2151                         break;
2152
2153
2154                 default:
2155                         dispatched = false;
2156                         break;
2157         }
2158
2159         // Part of automatic menu appearance feature.
2160         if (isFullScreen()) {
2161                 if (menuBar()->isVisible())
2162                         menuBar()->hide();
2163                 if (statusBar()->isVisible())
2164                         statusBar()->hide();
2165         }
2166
2167         return dispatched;
2168 }
2169
2170
2171 void GuiView::lfunUiToggle(FuncRequest const & cmd)
2172 {
2173         string const arg = cmd.getArg(0);
2174         if (arg == "scrollbar") {
2175                 // hide() is of no help
2176                 if (d.current_work_area_->verticalScrollBarPolicy() ==
2177                         Qt::ScrollBarAlwaysOff)
2178
2179                         d.current_work_area_->setVerticalScrollBarPolicy(
2180                                 Qt::ScrollBarAsNeeded);
2181                 else
2182                         d.current_work_area_->setVerticalScrollBarPolicy(
2183                                 Qt::ScrollBarAlwaysOff);
2184                 return;
2185         }
2186         if (arg == "statusbar") {
2187                 statusBar()->setVisible(!statusBar()->isVisible());
2188                 return;
2189         }
2190         if (arg == "menubar") {
2191                 menuBar()->setVisible(!menuBar()->isVisible());
2192                 return;
2193         }
2194 #if QT_VERSION >= 0x040300
2195         if (arg == "frame") {
2196                 int l, t, r, b;
2197                 getContentsMargins(&l, &t, &r, &b);
2198                 //are the frames in default state?
2199                 d.current_work_area_->setFrameStyle(QFrame::NoFrame);
2200                 if (l == 0) {
2201                         setContentsMargins(-2, -2, -2, -2);
2202                 } else {
2203                         setContentsMargins(0, 0, 0, 0);
2204                 }
2205                 return;
2206         }
2207 #endif
2208         if (arg == "fullscreen") {
2209                 toggleFullScreen();
2210                 return;
2211         }
2212
2213         message(bformat("LFUN_UI_TOGGLE " + _("%1$s unknown command!"), from_utf8(arg)));
2214 }
2215
2216
2217 void GuiView::toggleFullScreen()
2218 {
2219         if (isFullScreen()) {
2220                 for (int i = 0; i != d.splitter_->count(); ++i)
2221                         d.tabWorkArea(i)->setFullScreen(false);
2222 #if QT_VERSION >= 0x040300
2223                 setContentsMargins(0, 0, 0, 0);
2224 #endif
2225                 setWindowState(windowState() ^ Qt::WindowFullScreen);
2226                 restoreLayout();
2227                 menuBar()->show();
2228                 statusBar()->show();
2229         } else {
2230                 // bug 5274
2231                 hideDialogs("prefs", 0);
2232                 for (int i = 0; i != d.splitter_->count(); ++i)
2233                         d.tabWorkArea(i)->setFullScreen(true);
2234 #if QT_VERSION >= 0x040300
2235                 setContentsMargins(-2, -2, -2, -2);
2236 #endif
2237                 saveLayout();
2238                 setWindowState(windowState() ^ Qt::WindowFullScreen);
2239                 statusBar()->hide();
2240                 menuBar()->hide();
2241                 if (lyxrc.full_screen_toolbars) {
2242                         ToolbarMap::iterator end = d.toolbars_.end();
2243                         for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
2244                                 it->second->hide();
2245                 }
2246         }
2247
2248         // give dialogs like the TOC a chance to adapt
2249         updateDialogs();
2250 }
2251
2252
2253 Buffer const * GuiView::updateInset(Inset const * inset)
2254 {
2255         if (!d.current_work_area_)
2256                 return 0;
2257
2258         if (inset)
2259                 d.current_work_area_->scheduleRedraw();
2260
2261         return &d.current_work_area_->bufferView().buffer();
2262 }
2263
2264
2265 void GuiView::restartCursor()
2266 {
2267         /* When we move around, or type, it's nice to be able to see
2268          * the cursor immediately after the keypress.
2269          */
2270         if (d.current_work_area_)
2271                 d.current_work_area_->startBlinkingCursor();
2272
2273         // Take this occasion to update the other GUI elements.
2274         updateDialogs();
2275         updateStatusBar();
2276 }
2277
2278
2279 void GuiView::updateCompletion(Cursor & cur, bool start, bool keep)
2280 {
2281         if (d.current_work_area_)
2282                 d.current_work_area_->completer().updateVisibility(cur, start, keep);
2283 }
2284
2285 namespace {
2286
2287 // This list should be kept in sync with the list of insets in
2288 // src/insets/Inset.cpp.  I.e., if a dialog goes with an inset, the
2289 // dialog should have the same name as the inset.
2290 // Changes should be also recorded in LFUN_DIALOG_SHOW doxygen
2291 // docs in LyXAction.cpp.
2292
2293 char const * const dialognames[] = {
2294 "aboutlyx", "bibitem", "bibtex", "box", "branch", "changes", "character",
2295 "citation", "document", "errorlist", "ert", "external", "file",
2296 "findreplace", "float", "graphics", "include", "index", "info", "nomenclature", "label", "log",
2297 "mathdelimiter", "mathmatrix", "mathspace", "note", "paragraph", "prefs", "print",
2298 "ref", "sendto", "space", "spellchecker", "symbols", "tabular", "tabularcreate",
2299
2300 #ifdef HAVE_LIBAIKSAURUS
2301 "thesaurus",
2302 #endif
2303
2304 "texinfo", "toc", "href", "view-source", "vspace", "wrap", "listings", "findreplaceadv" };
2305
2306 char const * const * const end_dialognames =
2307         dialognames + (sizeof(dialognames) / sizeof(char *));
2308
2309 class cmpCStr {
2310 public:
2311         cmpCStr(char const * name) : name_(name) {}
2312         bool operator()(char const * other) {
2313                 return strcmp(other, name_) == 0;
2314         }
2315 private:
2316         char const * name_;
2317 };
2318
2319
2320 bool isValidName(string const & name)
2321 {
2322         return find_if(dialognames, end_dialognames,
2323                             cmpCStr(name.c_str())) != end_dialognames;
2324 }
2325
2326 } // namespace anon
2327
2328
2329 void GuiView::resetDialogs()
2330 {
2331         // Make sure that no LFUN uses any LyXView.
2332         theLyXFunc().setLyXView(0);
2333         saveLayout();
2334         menuBar()->clear();
2335         constructToolbars();
2336         guiApp->menus().fillMenuBar(menuBar(), this, false);
2337         if (d.layout_)
2338                 d.layout_->updateContents(true);
2339         // Now update controls with current buffer.
2340         theLyXFunc().setLyXView(this);
2341         restoreLayout();
2342         restartCursor();
2343 }
2344
2345
2346 Dialog * GuiView::findOrBuild(string const & name, bool hide_it)
2347 {
2348         if (!isValidName(name))
2349                 return 0;
2350
2351         map<string, DialogPtr>::iterator it = d.dialogs_.find(name);
2352
2353         if (it != d.dialogs_.end()) {
2354                 if (hide_it)
2355                         it->second->hideView();
2356                 return it->second.get();
2357         }
2358
2359         Dialog * dialog = build(name);
2360         d.dialogs_[name].reset(dialog);
2361         if (lyxrc.allow_geometry_session)
2362                 dialog->restoreSession();
2363         if (hide_it)
2364                 dialog->hideView();
2365         return dialog;
2366 }
2367
2368
2369 void GuiView::showDialog(string const & name, string const & data,
2370         Inset * inset)
2371 {
2372         if (d.in_show_)
2373                 return;
2374
2375         d.in_show_ = true;
2376         try {
2377                 Dialog * dialog = findOrBuild(name, false);
2378                 if (dialog) {
2379                         dialog->showData(data);
2380                         if (inset)
2381                                 d.open_insets_[name] = inset;
2382                 }
2383         }
2384         catch (ExceptionMessage const & ex) {
2385                 d.in_show_ = false;
2386                 throw ex;
2387         }
2388         d.in_show_ = false;
2389 }
2390
2391
2392 bool GuiView::isDialogVisible(string const & name) const
2393 {
2394         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
2395         if (it == d.dialogs_.end())
2396                 return false;
2397         return it->second.get()->isVisibleView();
2398 }
2399
2400
2401 void GuiView::hideDialog(string const & name, Inset * inset)
2402 {
2403         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
2404         if (it == d.dialogs_.end())
2405                 return;
2406
2407         if (inset && inset != getOpenInset(name))
2408                 return;
2409
2410         Dialog * const dialog = it->second.get();
2411         if (dialog->isVisibleView())
2412                 dialog->hideView();
2413         d.open_insets_[name] = 0;
2414 }
2415
2416
2417 void GuiView::disconnectDialog(string const & name)
2418 {
2419         if (!isValidName(name))
2420                 return;
2421
2422         if (d.open_insets_.find(name) != d.open_insets_.end())
2423                 d.open_insets_[name] = 0;
2424 }
2425
2426
2427 Inset * GuiView::getOpenInset(string const & name) const
2428 {
2429         if (!isValidName(name))
2430                 return 0;
2431
2432         map<string, Inset *>::const_iterator it = d.open_insets_.find(name);
2433         return it == d.open_insets_.end() ? 0 : it->second;
2434 }
2435
2436
2437 void GuiView::hideAll() const
2438 {
2439         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
2440         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
2441
2442         for(; it != end; ++it)
2443                 it->second->hideView();
2444 }
2445
2446
2447 void GuiView::updateDialogs()
2448 {
2449         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
2450         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
2451
2452         for(; it != end; ++it) {
2453                 Dialog * dialog = it->second.get();
2454                 if (dialog && dialog->isVisibleView())
2455                         dialog->checkStatus();
2456         }
2457         updateToolbars();
2458         updateLayoutList();
2459 }
2460
2461
2462 // will be replaced by a proper factory...
2463 Dialog * createGuiAbout(GuiView & lv);
2464 Dialog * createGuiBibitem(GuiView & lv);
2465 Dialog * createGuiBibtex(GuiView & lv);
2466 Dialog * createGuiBox(GuiView & lv);
2467 Dialog * createGuiBranch(GuiView & lv);
2468 Dialog * createGuiChanges(GuiView & lv);
2469 Dialog * createGuiCharacter(GuiView & lv);
2470 Dialog * createGuiCitation(GuiView & lv);
2471 Dialog * createGuiDelimiter(GuiView & lv);
2472 Dialog * createGuiDocument(GuiView & lv);
2473 Dialog * createGuiErrorList(GuiView & lv);
2474 Dialog * createGuiERT(GuiView & lv);
2475 Dialog * createGuiExternal(GuiView & lv);
2476 Dialog * createGuiFloat(GuiView & lv);
2477 Dialog * createGuiGraphics(GuiView & lv);
2478 Dialog * createGuiInclude(GuiView & lv);
2479 Dialog * createGuiInfo(GuiView & lv);
2480 Dialog * createGuiLabel(GuiView & lv);
2481 Dialog * createGuiListings(GuiView & lv);
2482 Dialog * createGuiLog(GuiView & lv);
2483 Dialog * createGuiMathHSpace(GuiView & lv);
2484 Dialog * createGuiMathMatrix(GuiView & lv);
2485 Dialog * createGuiNomenclature(GuiView & lv);
2486 Dialog * createGuiNote(GuiView & lv);
2487 Dialog * createGuiParagraph(GuiView & lv);
2488 Dialog * createGuiPreferences(GuiView & lv);
2489 Dialog * createGuiPrint(GuiView & lv);
2490 Dialog * createGuiRef(GuiView & lv);
2491 Dialog * createGuiSearch(GuiView & lv);
2492 Dialog * createGuiSearchAdv(GuiView & lv);
2493 Dialog * createGuiSendTo(GuiView & lv);
2494 Dialog * createGuiShowFile(GuiView & lv);
2495 Dialog * createGuiSpellchecker(GuiView & lv);
2496 Dialog * createGuiSymbols(GuiView & lv);
2497 Dialog * createGuiTabularCreate(GuiView & lv);
2498 Dialog * createGuiTabular(GuiView & lv);
2499 Dialog * createGuiTexInfo(GuiView & lv);
2500 Dialog * createGuiTextHSpace(GuiView & lv);
2501 Dialog * createGuiToc(GuiView & lv);
2502 Dialog * createGuiThesaurus(GuiView & lv);
2503 Dialog * createGuiHyperlink(GuiView & lv);
2504 Dialog * createGuiVSpace(GuiView & lv);
2505 Dialog * createGuiViewSource(GuiView & lv);
2506 Dialog * createGuiWrap(GuiView & lv);
2507
2508
2509 Dialog * GuiView::build(string const & name)
2510 {
2511         LASSERT(isValidName(name), return 0);
2512
2513         if (name == "aboutlyx")
2514                 return createGuiAbout(*this);
2515         if (name == "bibitem")
2516                 return createGuiBibitem(*this);
2517         if (name == "bibtex")
2518                 return createGuiBibtex(*this);
2519         if (name == "box")
2520                 return createGuiBox(*this);
2521         if (name == "branch")
2522                 return createGuiBranch(*this);
2523         if (name == "changes")
2524                 return createGuiChanges(*this);
2525         if (name == "character")
2526                 return createGuiCharacter(*this);
2527         if (name == "citation")
2528                 return createGuiCitation(*this);
2529         if (name == "document")
2530                 return createGuiDocument(*this);
2531         if (name == "errorlist")
2532                 return createGuiErrorList(*this);
2533         if (name == "ert")
2534                 return createGuiERT(*this);
2535         if (name == "external")
2536                 return createGuiExternal(*this);
2537         if (name == "file")
2538                 return createGuiShowFile(*this);
2539         if (name == "findreplace")
2540                 return createGuiSearch(*this);
2541         if (name == "findreplaceadv")
2542                 return createGuiSearchAdv(*this);
2543         if (name == "float")
2544                 return createGuiFloat(*this);
2545         if (name == "graphics")
2546                 return createGuiGraphics(*this);
2547         if (name == "include")
2548                 return createGuiInclude(*this);
2549         if (name == "info")
2550                 return createGuiInfo(*this);
2551         if (name == "nomenclature")
2552                 return createGuiNomenclature(*this);
2553         if (name == "label")
2554                 return createGuiLabel(*this);
2555         if (name == "log")
2556                 return createGuiLog(*this);
2557         if (name == "view-source")
2558                 return createGuiViewSource(*this);
2559         if (name == "mathdelimiter")
2560                 return createGuiDelimiter(*this);
2561         if (name == "mathspace")
2562                 return createGuiMathHSpace(*this);
2563         if (name == "mathmatrix")
2564                 return createGuiMathMatrix(*this);
2565         if (name == "note")
2566                 return createGuiNote(*this);
2567         if (name == "paragraph")
2568                 return createGuiParagraph(*this);
2569         if (name == "prefs")
2570                 return createGuiPreferences(*this);
2571         if (name == "print")
2572                 return createGuiPrint(*this);
2573         if (name == "ref")
2574                 return createGuiRef(*this);
2575         if (name == "sendto")
2576                 return createGuiSendTo(*this);
2577         if (name == "space")
2578                 return createGuiTextHSpace(*this);
2579         if (name == "spellchecker")
2580                 return createGuiSpellchecker(*this);
2581         if (name == "symbols")
2582                 return createGuiSymbols(*this);
2583         if (name == "tabular")
2584                 return createGuiTabular(*this);
2585         if (name == "tabularcreate")
2586                 return createGuiTabularCreate(*this);
2587         if (name == "texinfo")
2588                 return createGuiTexInfo(*this);
2589 #ifdef HAVE_LIBAIKSAURUS
2590         if (name == "thesaurus")
2591                 return createGuiThesaurus(*this);
2592 #endif
2593         if (name == "toc")
2594                 return createGuiToc(*this);
2595         if (name == "href")
2596                 return createGuiHyperlink(*this);
2597         if (name == "vspace")
2598                 return createGuiVSpace(*this);
2599         if (name == "wrap")
2600                 return createGuiWrap(*this);
2601         if (name == "listings")
2602                 return createGuiListings(*this);
2603
2604         return 0;
2605 }
2606
2607
2608 } // namespace frontend
2609 } // namespace lyx
2610
2611 #include "moc_GuiView.cpp"