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 "FontLoader.h"
  21 #include "GuiApplication.h"
  22 #include "GuiCommandBuffer.h"
  23 #include "GuiCompleter.h"
  24 #include "GuiWorkArea.h"
  25 #include "GuiKeySymbol.h"
  26 #include "GuiToc.h"
  27 #include "GuiToolbar.h"
  28 #include "Menus.h"
  29 #include "TocModel.h"
  30
  31 #include "qt_helpers.h"
  32
  33 #include "frontends/alert.h"
  34
  35 #include "buffer_funcs.h"
  36 #include "Buffer.h"
  37 #include "BufferList.h"
  38 #include "BufferParams.h"
  39 #include "BufferView.h"
  40 #include "Converter.h"
  41 #include "Cursor.h"
  42 #include "Encoding.h"
  43 #include "ErrorList.h"
  44 #include "Format.h"
  45 #include "FuncStatus.h"
  46 #include "FuncRequest.h"
  47 #include "Intl.h"
  48 #include "Layout.h"
  49 #include "Lexer.h"
  50 #include "LyXFunc.h"
  51 #include "LyX.h"
  52 #include "LyXRC.h"
  53 #include "LyXVC.h"
  54 #include "Paragraph.h"
  55 #include "TextClass.h"
  56 #include "Text.h"
  57 #include "Toolbars.h"
  58 #include "version.h"
  59
  60 #include "support/convert.h"
  61 #include "support/debug.h"
  62 #include "support/ExceptionMessage.h"
  63 #include "support/FileName.h"
  64 #include "support/filetools.h"
  65 #include "support/gettext.h"
  66 #include "support/ForkedCalls.h"
  67 #include "support/lassert.h"
  68 #include "support/lstrings.h"
  69 #include "support/os.h"
  70 #include "support/Package.h"
  71 #include "support/Timeout.h"
  72
  73 #include <QAction>
  74 #include <QApplication>
  75 #include <QCloseEvent>
  76 #include <QDebug>
  77 #include <QDesktopWidget>
  78 #include <QDragEnterEvent>
  79 #include <QDropEvent>
  80 #include <QList>
  81 #include <QMenu>
  82 #include <QMenuBar>
  83 #include <QPainter>
  84 #include <QPixmap>
  85 #include <QPixmapCache>
  86 #include <QPoint>
  87 #include <QPushButton>
  88 #include <QSettings>
  89 #include <QShowEvent>
  90 #include <QSplitter>
  91 #include <QStackedWidget>
  92 #include <QStatusBar>
  93 #include <QTimer>
  94 #include <QToolBar>
  95 #include <QUrl>
  96 #include <QScrollBar>
  97
  98 #include <boost/bind.hpp>
  99
 100 #ifdef HAVE_SYS_TIME_H
 101 # include <sys/time.h>
 102 #endif
 103 #ifdef HAVE_UNISTD_H
 104 # include <unistd.h>
 105 #endif
 106
 107 using namespace std;
 108 using namespace lyx::support;
 109
 110 namespace lyx {
 111 namespace frontend {
 112
 113 namespace {
 114
 115 class BackgroundWidget : public QWidget
 116 {
 117 public:
 118         BackgroundWidget()
 119         {
 120                 LYXERR(Debug::GUI, "show banner: " << lyxrc.show_banner);
 121                 /// The text to be written on top of the pixmap
 122                 QString const text = lyx_version ?
 123                         qt_("version ") + lyx_version : qt_("unknown version");
 124                 splash_ = getPixmap("images/", "banner", "png");
 125
 126                 QPainter pain(&splash_);
 127                 pain.setPen(QColor(0, 0, 0));
 128                 QFont font;
 129                 // The font used to display the version info
 130                 font.setStyleHint(QFont::SansSerif);
 131                 font.setWeight(QFont::Bold);
 132                 font.setPointSize(int(toqstr(lyxrc.font_sizes[FONT_SIZE_LARGE]).toDouble()));
 133                 pain.setFont(font);
 134                 pain.drawText(260, 15, text);
 135         }
 136
 137         void paintEvent(QPaintEvent *)
 138         {
 139                 int x = (width() - splash_.width()) / 2;
 140                 int y = (height() - splash_.height()) / 2;
 141                 QPainter pain(this);
 142                 pain.drawPixmap(x, y, splash_);
 143         }
 144
 145 private:
 146         QPixmap splash_;
 147 };
 148
 149
 150 /// Toolbar store providing access to individual toolbars by name.
 151 typedef std::map<std::string, GuiToolbar *> ToolbarMap;
 152
 153 typedef boost::shared_ptr<Dialog> DialogPtr;
 154
 155 } // namespace anon
 156
 157
 158 struct GuiView::GuiViewPrivate
 159 {
 160         GuiViewPrivate()
 161                 : current_work_area_(0), current_main_work_area_(0),
 162                 layout_(0), autosave_timeout_(5000),
 163                 in_show_(false)
 164         {
 165                 // hardcode here the platform specific icon size
 166                 smallIconSize = 14;  // scaling problems
 167                 normalIconSize = 20; // ok, default
 168                 bigIconSize = 26;    // better for some math icons
 169
 170                 splitter_ = new QSplitter;
 171                 bg_widget_ = new BackgroundWidget;
 172                 stack_widget_ = new QStackedWidget;
 173                 stack_widget_->addWidget(bg_widget_);
 174                 stack_widget_->addWidget(splitter_);
 175                 setBackground();
 176         }
 177
 178         ~GuiViewPrivate()
 179         {
 180                 delete splitter_;
 181                 delete bg_widget_;
 182                 delete stack_widget_;
 183         }
 184
 185         QMenu * toolBarPopup(GuiView * parent)
 186         {
 187                 // FIXME: translation
 188                 QMenu * menu = new QMenu(parent);
 189                 QActionGroup * iconSizeGroup = new QActionGroup(parent);
 190
 191                 QAction * smallIcons = new QAction(iconSizeGroup);
 192                 smallIcons->setText(qt_("Small-sized icons"));
 193                 smallIcons->setCheckable(true);
 194                 QObject::connect(smallIcons, SIGNAL(triggered()),
 195                         parent, SLOT(smallSizedIcons()));
 196                 menu->addAction(smallIcons);
 197
 198                 QAction * normalIcons = new QAction(iconSizeGroup);
 199                 normalIcons->setText(qt_("Normal-sized icons"));
 200                 normalIcons->setCheckable(true);
 201                 QObject::connect(normalIcons, SIGNAL(triggered()),
 202                         parent, SLOT(normalSizedIcons()));
 203                 menu->addAction(normalIcons);
 204
 205                 QAction * bigIcons = new QAction(iconSizeGroup);
 206                 bigIcons->setText(qt_("Big-sized icons"));
 207                 bigIcons->setCheckable(true);
 208                 QObject::connect(bigIcons, SIGNAL(triggered()),
 209                         parent, SLOT(bigSizedIcons()));
 210                 menu->addAction(bigIcons);
 211
 212                 unsigned int cur = parent->iconSize().width();
 213                 if ( cur == parent->d.smallIconSize)
 214                         smallIcons->setChecked(true);
 215                 else if (cur == parent->d.normalIconSize)
 216                         normalIcons->setChecked(true);
 217                 else if (cur == parent->d.bigIconSize)
 218                         bigIcons->setChecked(true);
 219
 220                 return menu;
 221         }
 222
 223         void setBackground()
 224         {
 225                 stack_widget_->setCurrentWidget(bg_widget_);
 226                 bg_widget_->setUpdatesEnabled(true);
 227         }
 228
 229         TabWorkArea * tabWorkArea(int i)
 230         {
 231                 return dynamic_cast<TabWorkArea *>(splitter_->widget(i));
 232         }
 233
 234         TabWorkArea * currentTabWorkArea()
 235         {
 236                 if (splitter_->count() == 1)
 237                         // The first TabWorkArea is always the first one, if any.
 238                         return tabWorkArea(0);
 239
 240                 for (int i = 0; i != splitter_->count(); ++i) {
 241                         TabWorkArea * twa = tabWorkArea(i);
 242                         if (current_main_work_area_ == twa->currentWorkArea())
 243                                 return twa;
 244                 }
 245
 246                 // None has the focus so we just take the first one.
 247                 return tabWorkArea(0);
 248         }
 249
 250 public:
 251         GuiWorkArea * current_work_area_;
 252         GuiWorkArea * current_main_work_area_;
 253         QSplitter * splitter_;
 254         QStackedWidget * stack_widget_;
 255         BackgroundWidget * bg_widget_;
 256         /// view's toolbars
 257         ToolbarMap toolbars_;
 258         /// The main layout box.
 259         /**
 260          * \warning Don't Delete! The layout box is actually owned by
 261          * whichever toolbar contains it. All the GuiView class needs is a
 262          * means of accessing it.
 263          *
 264          * FIXME: replace that with a proper model so that we are not limited
 265          * to only one dialog.
 266          */
 267         GuiLayoutBox * layout_;
 268
 269         ///
 270         map<string, Inset *> open_insets_;
 271
 272         ///
 273         map<string, DialogPtr> dialogs_;
 274
 275         unsigned int smallIconSize;
 276         unsigned int normalIconSize;
 277         unsigned int bigIconSize;
 278         ///
 279         QTimer statusbar_timer_;
 280         /// auto-saving of buffers
 281         Timeout autosave_timeout_;
 282         /// flag against a race condition due to multiclicks, see bug #1119
 283         bool in_show_;
 284
 285         ///
 286         TocModels toc_models_;
 287 };
 288
 289
 290 GuiView::GuiView(int id)
 291         : d(*new GuiViewPrivate), id_(id), closing_(false)
 292 {
 293         // GuiToolbars *must* be initialised before the menu bar.
 294         normalSizedIcons(); // at least on Mac the default is 32 otherwise, which is huge
 295         constructToolbars();
 296
 297         // set ourself as the current view. This is needed for the menu bar
 298         // filling, at least for the static special menu item on Mac. Otherwise
 299         // they are greyed out.
 300         theLyXFunc().setLyXView(this);
 301
 302         // Fill up the menu bar.
 303         guiApp->menus().fillMenuBar(menuBar(), this, true);
 304
 305         setCentralWidget(d.stack_widget_);
 306
 307         // Start autosave timer
 308         if (lyxrc.autosave) {
 309                 d.autosave_timeout_.timeout.connect(boost::bind(&GuiView::autoSave, this));
 310                 d.autosave_timeout_.setTimeout(lyxrc.autosave * 1000);
 311                 d.autosave_timeout_.start();
 312         }
 313         connect(&d.statusbar_timer_, SIGNAL(timeout()),
 314                 this, SLOT(clearMessage()));
 315
 316         // We don't want to keep the window in memory if it is closed.
 317         setAttribute(Qt::WA_DeleteOnClose, true);
 318
 319 #if (!defined(Q_WS_WIN) && !defined(Q_WS_MACX))
 320         // assign an icon to main form. We do not do it under Qt/Win or Qt/Mac,
 321         // since the icon is provided in the application bundle.
 322         setWindowIcon(getPixmap("images/", "lyx", "png"));
 323 #endif
 324
 325         // For Drag&Drop.
 326         setAcceptDrops(true);
 327
 328         statusBar()->setSizeGripEnabled(true);
 329
 330         // Forbid too small unresizable window because it can happen
 331         // with some window manager under X11.
 332         setMinimumSize(300, 200);
 333
 334         if (lyxrc.allow_geometry_session) {
 335                 // Now take care of session management.
 336                 if (restoreLayout())
 337                         return;
 338         }
 339
 340         // no session handling, default to a sane size.
 341         setGeometry(50, 50, 690, 510);
 342         initToolbars();
 343
 344         // clear session data if any.
 345         QSettings settings;
 346         settings.remove("views");
 347 }
 348
 349
 350 GuiView::~GuiView()
 351 {
 352         delete &d;
 353 }
 354
 355
 356 void GuiView::saveLayout() const
 357 {
 358         QSettings settings;
 359         settings.beginGroup("views");
 360         settings.beginGroup(QString::number(id_));
 361 #ifdef Q_WS_X11
 362         settings.setValue("pos", pos());
 363         settings.setValue("size", size());
 364 #else
 365         settings.setValue("geometry", saveGeometry());
 366 #endif
 367         settings.setValue("layout", saveState(0));
 368         settings.setValue("icon_size", iconSize());
 369 }
 370
 371
 372 bool GuiView::restoreLayout()
 373 {
 374         QSettings settings;
 375         settings.beginGroup("views");
 376         settings.beginGroup(QString::number(id_));
 377         QString const icon_key = "icon_size";
 378         if (!settings.contains(icon_key))
 379                 return false;
 380
 381         setIconSize(settings.value(icon_key).toSize());
 382 #ifdef Q_WS_X11
 383         QPoint pos = settings.value("pos", QPoint(50, 50)).toPoint();
 384         QSize size = settings.value("size", QSize(690, 510)).toSize();
 385         resize(size);
 386         move(pos);
 387 #else
 388         if (!restoreGeometry(settings.value("geometry").toByteArray()))
 389                 setGeometry(50, 50, 690, 510);
 390 #endif
 391         // Make sure layout is correctly oriented.
 392         setLayoutDirection(qApp->layoutDirection());
 393
 394         // Allow the toc and view-source dock widget to be restored if needed.
 395         Dialog *d;
 396         if ((d = findOrBuild("toc", true)))
 397                 // see bug 5082
 398                 d->showView();
 399         if ((d = findOrBuild("view-source", true)))
 400                 d->showView();
 401
 402         if (!restoreState(settings.value("layout").toByteArray(), 0))
 403                 initToolbars();
 404         updateDialogs();
 405         return true;
 406 }
 407
 408
 409 GuiToolbar * GuiView::toolbar(string const & name)
 410 {
 411         ToolbarMap::iterator it = d.toolbars_.find(name);
 412         if (it != d.toolbars_.end())
 413                 return it->second;
 414
 415         LYXERR(Debug::GUI, "Toolbar::display: no toolbar named " << name);
 416         message(bformat(_("Unknown toolbar \"%1$s\""), from_utf8(name)));
 417         return 0;
 418 }
 419
 420
 421 void GuiView::constructToolbars()
 422 {
 423         ToolbarMap::iterator it = d.toolbars_.begin();
 424         for (; it != d.toolbars_.end(); ++it)
 425                 delete it->second;
 426         d.toolbars_.clear();
 427         d.layout_ = 0;
 428
 429         // extracts the toolbars from the backend
 430         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 431         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 432         for (; cit != end; ++cit)
 433                 d.toolbars_[cit->name] =  new GuiToolbar(*cit, *this);
 434 }
 435
 436
 437 void GuiView::initToolbars()
 438 {
 439         // extracts the toolbars from the backend
 440         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 441         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 442         for (; cit != end; ++cit) {
 443                 GuiToolbar * tb = toolbar(cit->name);
 444                 if (!tb)
 445                         continue;
 446                 int const visibility = guiApp->toolbars().defaultVisibility(cit->name);
 447                 bool newline = true;
 448                 tb->setVisible(false);
 449                 tb->setVisibility(visibility);
 450
 451                 if (visibility & Toolbars::TOP) {
 452                         if (newline)
 453                                 addToolBarBreak(Qt::TopToolBarArea);
 454                         addToolBar(Qt::TopToolBarArea, tb);
 455                 }
 456
 457                 if (visibility & Toolbars::BOTTOM) {
 458                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 459 #if (QT_VERSION >= 0x040202)
 460                         addToolBarBreak(Qt::BottomToolBarArea);
 461 #endif
 462                         addToolBar(Qt::BottomToolBarArea, tb);
 463                 }
 464
 465                 if (visibility & Toolbars::LEFT) {
 466                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 467 #if (QT_VERSION >= 0x040202)
 468                         addToolBarBreak(Qt::LeftToolBarArea);
 469 #endif
 470                         addToolBar(Qt::LeftToolBarArea, tb);
 471                 }
 472
 473                 if (visibility & Toolbars::RIGHT) {
 474                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 475 #if (QT_VERSION >= 0x040202)
 476                         addToolBarBreak(Qt::RightToolBarArea);
 477 #endif
 478                         addToolBar(Qt::RightToolBarArea, tb);
 479                 }
 480
 481                 if (visibility & Toolbars::ON)
 482                         tb->setVisible(true);
 483         }
 484 }
 485
 486
 487 TocModels & GuiView::tocModels()
 488 {
 489         return d.toc_models_;
 490 }
 491
 492
 493 void GuiView::setFocus()
 494 {
 495         LYXERR(Debug::DEBUG, "GuiView::setFocus()" << this);
 496         // Make sure LyXFunc points to the correct view.
 497         guiApp->setCurrentView(this);
 498         theLyXFunc().setLyXView(this);
 499         QMainWindow::setFocus();
 500         if (d.current_work_area_)
 501                 d.current_work_area_->setFocus();
 502 }
 503
 504
 505 QMenu * GuiView::createPopupMenu()
 506 {
 507         return d.toolBarPopup(this);
 508 }
 509
 510
 511 void GuiView::showEvent(QShowEvent * e)
 512 {
 513         LYXERR(Debug::GUI, "Passed Geometry "
 514                 << size().height() << "x" << size().width()
 515                 << "+" << pos().x() << "+" << pos().y());
 516
 517         if (d.splitter_->count() == 0)
 518                 // No work area, switch to the background widget.
 519                 d.setBackground();
 520
 521         QMainWindow::showEvent(e);
 522 }
 523
 524
 525 /** Destroy only all tabbed WorkAreas. Destruction of other WorkAreas
 526  ** is responsibility of the container (e.g., dialog)
 527  **/
 528 void GuiView::closeEvent(QCloseEvent * close_event)
 529 {
 530         LYXERR(Debug::DEBUG, "GuiView::closeEvent()");
 531         closing_ = true;
 532
 533         // it can happen that this event arrives without selecting the view,
 534         // e.g. when clicking the close button on a background window.
 535         setFocus();
 536         setCurrentWorkArea(currentMainWorkArea());
 537         while (GuiWorkArea * wa = currentMainWorkArea()) {
 538                 Buffer * b = &wa->bufferView().buffer();
 539                 if (b->parent()) {
 540                         // This is a child document, just close the tab
 541                         // after saving but keep the file loaded.
 542                         if (!closeBuffer(*b, true)) {
 543                                 closing_ = false;
 544                                 close_event->ignore();
 545                                 return;
 546                         }
 547                         continue;
 548                 }
 549
 550                 vector<Buffer *> clist = b->getChildren();
 551                 for (vector<Buffer *>::const_iterator it = clist.begin();
 552                      it != clist.end(); ++it) {
 553                         if ((*it)->isClean())
 554                                 continue;
 555                         Buffer * c = *it;
 556                         // If a child is dirty, do not close
 557                         // without user intervention
 558                         if (!closeBuffer(*c, false)) {
 559                                 closing_ = false;
 560                                 close_event->ignore();
 561                                 return;
 562                         }
 563                 }
 564
 565                 QList<int> const ids = guiApp->viewIds();
 566                 for (int i = 0; i != ids.size(); ++i) {
 567                         if (id_ == ids[i])
 568                                 continue;
 569                         if (guiApp->view(ids[i]).workArea(*b)) {
 570                                 // FIXME 1: should we put an alert box here that the buffer
 571                                 // is viewed elsewhere?
 572                                 // FIXME 2: should we try to save this buffer in any case?
 573                                 //saveBuffer(b);
 574
 575                                 // This buffer is also opened in another view, so
 576                                 // close the associated work area...
 577                                 removeWorkArea(wa);
 578                                 // ... but don't close the buffer.
 579                                 b = 0;
 580                                 break;
 581                         }
 582                 }
 583                 // closeBuffer() needs buffer workArea still alive and set as currrent one, and destroys it
 584                 if (b && !closeBuffer(*b, true)) {
 585                         closing_ = false;
 586                         close_event->ignore();
 587                         return;
 588                 }
 589         }
 590
 591         // Make sure that nothing will use this close to be closed View.
 592         guiApp->unregisterView(this);
 593
 594         if (isFullScreen()) {
 595                 // Switch off fullscreen before closing.
 596                 toggleFullScreen();
 597                 updateDialogs();
 598         }
 599
 600         // Make sure the timer time out will not trigger a statusbar update.
 601         d.statusbar_timer_.stop();
 602
 603         // Saving fullscreen requires additional tweaks in the toolbar code.
 604         // It wouldn't also work under linux natively.
 605         if (lyxrc.allow_geometry_session) {
 606                 // Save this window geometry and layout.
 607                 saveLayout();
 608                 // Then the toolbar private states.
 609                 ToolbarMap::iterator end = d.toolbars_.end();
 610                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
 611                         it->second->saveSession();
 612                 // Now take care of all other dialogs:
 613                 map<string, DialogPtr>::const_iterator it = d.dialogs_.begin();
 614                 for (; it!= d.dialogs_.end(); ++it)
 615                         it->second->saveSession();
 616         }
 617
 618         close_event->accept();
 619 }
 620
 621
 622 void GuiView::dragEnterEvent(QDragEnterEvent * event)
 623 {
 624         if (event->mimeData()->hasUrls())
 625                 event->accept();
 626         /// \todo Ask lyx-devel is this is enough:
 627         /// if (event->mimeData()->hasFormat("text/plain"))
 628         ///     event->acceptProposedAction();
 629 }
 630
 631
 632 void GuiView::dropEvent(QDropEvent * event)
 633 {
 634         QList<QUrl> files = event->mimeData()->urls();
 635         if (files.isEmpty())
 636                 return;
 637
 638         LYXERR(Debug::GUI, "GuiView::dropEvent: got URLs!");
 639         for (int i = 0; i != files.size(); ++i) {
 640                 string const file = os::internal_path(fromqstr(
 641                         files.at(i).toLocalFile()));
 642                 if (!file.empty()) {
 643                         // Asynchronously post the event. DropEvent usually come
 644                         // from the BufferView. But reloading a file might close
 645                         // the BufferView from within its own event handler.
 646                         guiApp->dispatchDelayed(FuncRequest(LFUN_FILE_OPEN, file));
 647                         event->accept();
 648                 }
 649         }
 650 }
 651
 652
 653 void GuiView::message(docstring const & str)
 654 {
 655         if (ForkedProcess::iAmAChild())
 656                 return;
 657
 658         statusBar()->showMessage(toqstr(str));
 659         d.statusbar_timer_.stop();
 660         d.statusbar_timer_.start(3000);
 661 }
 662
 663
 664 void GuiView::smallSizedIcons()
 665 {
 666         setIconSize(QSize(d.smallIconSize, d.smallIconSize));
 667 }
 668
 669
 670 void GuiView::normalSizedIcons()
 671 {
 672         setIconSize(QSize(d.normalIconSize, d.normalIconSize));
 673 }
 674
 675
 676 void GuiView::bigSizedIcons()
 677 {
 678         setIconSize(QSize(d.bigIconSize, d.bigIconSize));
 679 }
 680
 681
 682 void GuiView::clearMessage()
 683 {
 684         if (!hasFocus())
 685                 return;
 686         theLyXFunc().setLyXView(this);
 687         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 688         d.statusbar_timer_.stop();
 689 }
 690
 691
 692 void GuiView::updateWindowTitle(GuiWorkArea * wa)
 693 {
 694         if (wa != d.current_work_area_)
 695                 return;
 696         setWindowTitle(qt_("LyX: ") + wa->windowTitle());
 697         setWindowIconText(wa->windowIconText());
 698 }
 699
 700
 701 void GuiView::on_currentWorkAreaChanged(GuiWorkArea * wa)
 702 {
 703         disconnectBuffer();
 704         disconnectBufferView();
 705         connectBufferView(wa->bufferView());
 706         connectBuffer(wa->bufferView().buffer());
 707         d.current_work_area_ = wa;
 708         QObject::connect(wa, SIGNAL(titleChanged(GuiWorkArea *)),
 709                 this, SLOT(updateWindowTitle(GuiWorkArea *)));
 710         updateWindowTitle(wa);
 711
 712         structureChanged();
 713
 714         // The document settings needs to be reinitialised.
 715         updateDialog("document", "");
 716
 717         // Buffer-dependent dialogs must be updated. This is done here because
 718         // some dialogs require buffer()->text.
 719         updateDialogs();
 720 }
 721
 722
 723 void GuiView::on_lastWorkAreaRemoved()
 724 {
 725         if (closing_)
 726                 // We already are in a close event. Nothing more to do.
 727                 return;
 728
 729         if (d.splitter_->count() > 1)
 730                 // We have a splitter so don't close anything.
 731                 return;
 732
 733         // Reset and updates the dialogs.
 734         d.toc_models_.reset(0);
 735         updateDialog("document", "");
 736         updateDialogs();
 737
 738         resetWindowTitleAndIconText();
 739
 740         if (lyxrc.open_buffers_in_tabs)
 741                 // Nothing more to do, the window should stay open.
 742                 return;
 743
 744         if (guiApp->viewIds().size() > 1) {
 745                 close();
 746                 return;
 747         }
 748
 749 #ifdef Q_WS_MACX
 750         // On Mac we also close the last window because the application stay
 751         // resident in memory. On other platforms we don't close the last
 752         // window because this would quit the application.
 753         close();
 754 #endif
 755 }
 756
 757
 758 void GuiView::updateStatusBar()
 759 {
 760         // let the user see the explicit message
 761         if (d.statusbar_timer_.isActive())
 762                 return;
 763
 764         theLyXFunc().setLyXView(this);
 765         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 766 }
 767
 768
 769 bool GuiView::hasFocus() const
 770 {
 771         return qApp->activeWindow() == this;
 772 }
 773
 774
 775 bool GuiView::event(QEvent * e)
 776 {
 777         switch (e->type())
 778         {
 779         // Useful debug code:
 780         //case QEvent::ActivationChange:
 781         //case QEvent::WindowDeactivate:
 782         //case QEvent::Paint:
 783         //case QEvent::Enter:
 784         //case QEvent::Leave:
 785         //case QEvent::HoverEnter:
 786         //case QEvent::HoverLeave:
 787         //case QEvent::HoverMove:
 788         //case QEvent::StatusTip:
 789         //case QEvent::DragEnter:
 790         //case QEvent::DragLeave:
 791         //case QEvent::Drop:
 792         //      break;
 793
 794         case QEvent::WindowActivate: {
 795                 if (this == guiApp->currentView()) {
 796                         setFocus();
 797                         return QMainWindow::event(e);
 798                 }
 799                 guiApp->setCurrentView(this);
 800                 theLyXFunc().setLyXView(this);
 801                 if (d.current_work_area_) {
 802                         BufferView & bv = d.current_work_area_->bufferView();
 803                         connectBufferView(bv);
 804                         connectBuffer(bv.buffer());
 805                         // The document structure, name and dialogs might have
 806                         // changed in another view.
 807                         structureChanged();
 808                         // The document settings needs to be reinitialised.
 809                         updateDialog("document", "");
 810                         updateDialogs();
 811                 } else {
 812                         resetWindowTitleAndIconText();
 813                 }
 814                 setFocus();
 815                 return QMainWindow::event(e);
 816         }
 817
 818         case QEvent::ShortcutOverride: {
 819
 820 #ifndef Q_WS_X11
 821                 // FIXME bug 4888
 822                 if (isFullScreen() && menuBar()->isHidden()) {
 823                         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 824                         // FIXME: we should also try to detect special LyX shortcut such as
 825                         // Alt-P and Alt-M. Right now there is a hack in
 826                         // GuiWorkArea::processKeySym() that hides again the menubar for
 827                         // those cases.
 828                         if (ke->modifiers() & Qt::AltModifier && ke->key() != Qt::Key_Alt) {
 829                                 menuBar()->show();
 830                                 return QMainWindow::event(e);
 831                         }
 832                 }
 833 #endif
 834
 835                 if (d.current_work_area_)
 836                         // Nothing special to do.
 837                         return QMainWindow::event(e);
 838
 839                 QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 840                 // Let Qt handle menu access and the Tab keys to navigate keys to navigate
 841                 // between controls.
 842                 if (ke->modifiers() & Qt::AltModifier || ke->key() == Qt::Key_Tab
 843                         || ke->key() == Qt::Key_Backtab)
 844                         return QMainWindow::event(e);
 845
 846                 // Allow processing of shortcuts that are allowed even when no Buffer
 847                 // is viewed.
 848                 theLyXFunc().setLyXView(this);
 849                 KeySymbol sym;
 850                 setKeySymbol(&sym, ke);
 851                 theLyXFunc().processKeySym(sym, q_key_state(ke->modifiers()));
 852                 e->accept();
 853                 return true;
 854         }
 855
 856         default:
 857                 return QMainWindow::event(e);
 858         }
 859 }
 860
 861 void GuiView::resetWindowTitleAndIconText()
 862 {
 863     setWindowTitle(qt_("LyX"));
 864     setWindowIconText(qt_("LyX"));
 865 }
 866
 867 bool GuiView::focusNextPrevChild(bool /*next*/)
 868 {
 869         setFocus();
 870         return true;
 871 }
 872
 873
 874 void GuiView::setBusy(bool busy)
 875 {
 876         if (d.current_work_area_) {
 877                 d.current_work_area_->setUpdatesEnabled(!busy);
 878                 if (busy)
 879                         d.current_work_area_->stopBlinkingCursor();
 880                 else
 881                         d.current_work_area_->startBlinkingCursor();
 882         }
 883
 884         if (busy)
 885                 QApplication::setOverrideCursor(Qt::WaitCursor);
 886         else
 887                 QApplication::restoreOverrideCursor();
 888 }
 889
 890
 891 GuiWorkArea * GuiView::workArea(Buffer & buffer)
 892 {
 893         if (currentWorkArea()
 894             && &currentWorkArea()->bufferView().buffer() == &buffer)
 895                 return (GuiWorkArea *) currentWorkArea();
 896         if (TabWorkArea * twa = d.currentTabWorkArea())
 897                 return twa->workArea(buffer);
 898         return 0;
 899 }
 900
 901
 902 GuiWorkArea * GuiView::addWorkArea(Buffer & buffer)
 903 {
 904         // Automatically create a TabWorkArea if there are none yet.
 905         TabWorkArea * tab_widget = d.splitter_->count()
 906                 ? d.currentTabWorkArea() : addTabWorkArea();
 907         return tab_widget->addWorkArea(buffer, *this);
 908 }
 909
 910
 911 TabWorkArea * GuiView::addTabWorkArea()
 912 {
 913         TabWorkArea * twa = new TabWorkArea;
 914         QObject::connect(twa, SIGNAL(currentWorkAreaChanged(GuiWorkArea *)),
 915                 this, SLOT(on_currentWorkAreaChanged(GuiWorkArea *)));
 916         QObject::connect(twa, SIGNAL(lastWorkAreaRemoved()),
 917                          this, SLOT(on_lastWorkAreaRemoved()));
 918
 919         d.splitter_->addWidget(twa);
 920         d.stack_widget_->setCurrentWidget(d.splitter_);
 921         return twa;
 922 }
 923
 924
 925 GuiWorkArea const * GuiView::currentWorkArea() const
 926 {
 927         return d.current_work_area_;
 928 }
 929
 930
 931 GuiWorkArea * GuiView::currentWorkArea()
 932 {
 933         return d.current_work_area_;
 934 }
 935
 936
 937 GuiWorkArea const * GuiView::currentMainWorkArea() const
 938 {
 939         if (d.currentTabWorkArea() == NULL)
 940                 return NULL;
 941         return d.currentTabWorkArea()->currentWorkArea();
 942 }
 943
 944
 945 GuiWorkArea * GuiView::currentMainWorkArea()
 946 {
 947         if (d.currentTabWorkArea() == NULL)
 948                 return NULL;
 949         return d.currentTabWorkArea()->currentWorkArea();
 950 }
 951
 952
 953 void GuiView::setCurrentWorkArea(GuiWorkArea * wa)
 954 {
 955         LYXERR(Debug::DEBUG, "Setting current wa: " << wa << endl);
 956         if (wa == NULL) {
 957                 d.current_work_area_ = NULL;
 958                 d.setBackground();
 959                 return;
 960         }
 961         GuiWorkArea * old_gwa = theGuiApp()->currentView()->currentWorkArea();
 962         if (old_gwa == wa)
 963                 return;
 964
 965         theGuiApp()->setCurrentView(this);
 966         d.current_work_area_ = wa;
 967         for (int i = 0; i != d.splitter_->count(); ++i) {
 968                 if (d.tabWorkArea(i)->setCurrentWorkArea(wa)) {
 969                         //if (d.current_main_work_area_)
 970                         //      d.current_main_work_area_->setFrameStyle(QFrame::NoFrame);
 971                         d.current_main_work_area_ = wa;
 972                         //d.current_main_work_area_->setFrameStyle(QFrame::Box | QFrame::Plain);
 973                         //d.current_main_work_area_->setLineWidth(2);
 974                         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() << ", Current main wa: " << currentMainWorkArea());
 975                         return;
 976                 }
 977         }
 978         LYXERR(Debug::DEBUG, "This is not a tabbed wa");
 979         on_currentWorkAreaChanged(wa);
 980         BufferView & bv = wa->bufferView();
 981         bv.cursor().fixIfBroken();
 982         bv.updateMetrics();
 983         wa->setUpdatesEnabled(true);
 984         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() << ", Current main wa: " << currentMainWorkArea());
 985 }
 986
 987
 988 void GuiView::removeWorkArea(GuiWorkArea * wa)
 989 {
 990         LASSERT(wa, return);
 991         if (wa == d.current_work_area_) {
 992                 disconnectBuffer();
 993                 disconnectBufferView();
 994                 d.current_work_area_ = 0;
 995                 d.current_main_work_area_ = 0;
 996         }
 997
 998         bool found_twa = false;
 999         for (int i = 0; i != d.splitter_->count(); ++i) {
1000                 TabWorkArea * twa = d.tabWorkArea(i);
1001                 if (twa->removeWorkArea(wa)) {
1002                         // Found in this tab group, and deleted the GuiWorkArea.
1003                         found_twa = true;
1004                         if (twa->count() != 0) {
1005                                 if (d.current_work_area_ == 0)
1006                                         // This means that we are closing the current GuiWorkArea, so
1007                                         // switch to the next GuiWorkArea in the found TabWorkArea.
1008                                         setCurrentWorkArea(twa->currentWorkArea());
1009                         } else {
1010                                 // No more WorkAreas in this tab group, so delete it.
1011                                 delete twa;
1012                         }
1013                         break;
1014                 }
1015         }
1016
1017         // It is not a tabbed work area (i.e., the search work area), so it
1018         // should be deleted by other means.
1019         LASSERT(found_twa, /* */);
1020
1021         if (d.current_work_area_ == 0) {
1022                 if (d.splitter_->count() != 0) {
1023                         TabWorkArea * twa = d.currentTabWorkArea();
1024                         setCurrentWorkArea(twa->currentWorkArea());
1025                 } else {
1026                         // No more work areas, switch to the background widget.
1027                         setCurrentWorkArea(0);
1028                 }
1029         }
1030 }
1031
1032
1033 void GuiView::setLayoutDialog(GuiLayoutBox * layout)
1034 {
1035         d.layout_ = layout;
1036 }
1037
1038
1039 void GuiView::updateLayoutList()
1040 {
1041         if (d.layout_)
1042                 d.layout_->updateContents(false);
1043 }
1044
1045
1046 void GuiView::updateToolbars()
1047 {
1048         ToolbarMap::iterator end = d.toolbars_.end();
1049         if (d.current_work_area_) {
1050                 bool const math =
1051                         d.current_work_area_->bufferView().cursor().inMathed();
1052                 bool const table =
1053                         lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
1054                 bool const review =
1055                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
1056                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onoff(true);
1057                 bool const mathmacrotemplate =
1058                         lyx::getStatus(FuncRequest(LFUN_IN_MATHMACROTEMPLATE)).enabled();
1059
1060                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1061                         it->second->update(math, table, review, mathmacrotemplate);
1062         } else
1063                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1064                         it->second->update(false, false, false, false);
1065 }
1066
1067
1068 Buffer * GuiView::buffer()
1069 {
1070         if (d.current_work_area_)
1071                 return &d.current_work_area_->bufferView().buffer();
1072         return 0;
1073 }
1074
1075
1076 Buffer const * GuiView::buffer() const
1077 {
1078         if (d.current_work_area_)
1079                 return &d.current_work_area_->bufferView().buffer();
1080         return 0;
1081 }
1082
1083
1084 void GuiView::setBuffer(Buffer * newBuffer)
1085 {
1086         LYXERR(Debug::DEBUG, "Setting buffer: " << newBuffer << std::endl);
1087         LASSERT(newBuffer, return);
1088         setBusy(true);
1089
1090         GuiWorkArea * wa = workArea(*newBuffer);
1091         if (wa == 0) {
1092                 newBuffer->masterBuffer()->updateLabels();
1093                 wa = addWorkArea(*newBuffer);
1094         } else {
1095                 //Disconnect the old buffer...there's no new one.
1096                 disconnectBuffer();
1097         }
1098         connectBuffer(*newBuffer);
1099         connectBufferView(wa->bufferView());
1100         setCurrentWorkArea(wa);
1101
1102         setBusy(false);
1103 }
1104
1105
1106 void GuiView::connectBuffer(Buffer & buf)
1107 {
1108         buf.setGuiDelegate(this);
1109 }
1110
1111
1112 void GuiView::disconnectBuffer()
1113 {
1114         if (d.current_work_area_)
1115                 d.current_work_area_->bufferView().setGuiDelegate(0);
1116 }
1117
1118
1119 void GuiView::connectBufferView(BufferView & bv)
1120 {
1121         bv.setGuiDelegate(this);
1122 }
1123
1124
1125 void GuiView::disconnectBufferView()
1126 {
1127         if (d.current_work_area_)
1128                 d.current_work_area_->bufferView().setGuiDelegate(0);
1129 }
1130
1131
1132 void GuiView::errors(string const & error_type)
1133 {
1134         ErrorList & el = buffer()->errorList(error_type);
1135         if (!el.empty())
1136                 showDialog("errorlist", error_type);
1137 }
1138
1139
1140 void GuiView::updateTocItem(std::string const & type, DocIterator const & dit)
1141 {
1142         d.toc_models_.updateItem(toqstr(type), dit);
1143 }
1144
1145
1146 void GuiView::structureChanged()
1147 {
1148         d.toc_models_.reset(view());
1149         // Navigator needs more than a simple update in this case. It needs to be
1150         // rebuilt.
1151         updateDialog("toc", "");
1152 }
1153
1154
1155 void GuiView::updateDialog(string const & name, string const & data)
1156 {
1157         if (!isDialogVisible(name))
1158                 return;
1159
1160         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
1161         if (it == d.dialogs_.end())
1162                 return;
1163
1164         Dialog * const dialog = it->second.get();
1165         if (dialog->isVisibleView())
1166                 dialog->initialiseParams(data);
1167 }
1168
1169
1170 BufferView * GuiView::view()
1171 {
1172         return d.current_work_area_ ? &d.current_work_area_->bufferView() : 0;
1173 }
1174
1175
1176 void GuiView::autoSave()
1177 {
1178         LYXERR(Debug::INFO, "Running autoSave()");
1179
1180         if (buffer())
1181                 view()->buffer().autoSave();
1182 }
1183
1184
1185 void GuiView::resetAutosaveTimers()
1186 {
1187         if (lyxrc.autosave)
1188                 d.autosave_timeout_.restart();
1189 }
1190
1191
1192 bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1193 {
1194         bool enable = true;
1195         Buffer * buf = buffer();
1196
1197         /* In LyX/Mac, when a dialog is open, the menus of the
1198            application can still be accessed without giving focus to
1199            the main window. In this case, we want to disable the menu
1200            entries that are buffer-related.
1201
1202            Note that this code is not perfect, as bug 1941 attests:
1203            http://bugzilla.lyx.org/show_bug.cgi?id=1941#c4
1204         */
1205         if (cmd.origin == FuncRequest::MENU && !hasFocus())
1206                 buf = 0;
1207
1208         if (cmd.origin == FuncRequest::TOC) {
1209                 GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
1210                 FuncStatus fs;
1211                 if (toc->getStatus(view()->cursor(), cmd, fs))
1212                         flag |= fs;
1213                 else
1214                         flag.setEnabled(false);
1215                 return true;
1216         }
1217
1218         switch(cmd.action) {
1219         case LFUN_BUFFER_WRITE:
1220                 enable = buf && (buf->isUnnamed() || !buf->isClean());
1221                 break;
1222
1223         case LFUN_BUFFER_WRITE_AS:
1224                 enable = buf;
1225                 break;
1226
1227         case LFUN_SPLIT_VIEW:
1228                 if (cmd.getArg(0) == "vertical")
1229                         enable = buf && (d.splitter_->count() == 1 ||
1230                                          d.splitter_->orientation() == Qt::Vertical);
1231                 else
1232                         enable = buf && (d.splitter_->count() == 1 ||
1233                                          d.splitter_->orientation() == Qt::Horizontal);
1234                 break;
1235
1236         case LFUN_CLOSE_TAB_GROUP:
1237                 enable = d.currentTabWorkArea();
1238                 break;
1239
1240         case LFUN_TOOLBAR_TOGGLE:
1241                 if (GuiToolbar * t = toolbar(cmd.getArg(0)))
1242                         flag.setOnOff(t->isVisible());
1243                 break;
1244
1245         case LFUN_UI_TOGGLE:
1246                 flag.setOnOff(isFullScreen());
1247                 break;
1248
1249         case LFUN_DIALOG_TOGGLE:
1250                 flag.setOnOff(isDialogVisible(cmd.getArg(0)));
1251                 // fall through to set "enable"
1252         case LFUN_DIALOG_SHOW: {
1253                 string const name = cmd.getArg(0);
1254                 if (!buf)
1255                         enable = name == "aboutlyx"
1256                                 || name == "file" //FIXME: should be removed.
1257                                 || name == "prefs"
1258                                 || name == "texinfo";
1259                 else if (name == "print")
1260                         enable = buf->isExportable("dvi")
1261                                 && lyxrc.print_command != "none";
1262                 else if (name == "character") {
1263                         if (!view())
1264                                 enable = false;
1265                         else {
1266                                 InsetCode ic = view()->cursor().inset().lyxCode();
1267                                 enable = ic != ERT_CODE && ic != LISTINGS_CODE;
1268                         }
1269                 }
1270                 else if (name == "symbols") {
1271                         if (!view() || view()->cursor().inMathed())
1272                                 enable = false;
1273                         else {
1274                                 InsetCode ic = view()->cursor().inset().lyxCode();
1275                                 enable = ic != ERT_CODE && ic != LISTINGS_CODE;
1276                         }
1277                 }
1278                 else if (name == "latexlog")
1279                         enable = FileName(buf->logName()).isReadableFile();
1280                 else if (name == "spellchecker")
1281 #if defined (USE_ASPELL)
1282                         enable = !buf->isReadonly();
1283 #else
1284                         enable = false;
1285 #endif
1286                 else if (name == "vclog")
1287                         enable = buf->lyxvc().inUse();
1288                 break;
1289         }
1290
1291         case LFUN_DIALOG_UPDATE: {
1292                 string const name = cmd.getArg(0);
1293                 if (!buf)
1294                         enable = name == "prefs";
1295                 break;
1296         }
1297
1298         case LFUN_INSET_APPLY: {
1299                 string const name = cmd.getArg(0);
1300                 Inset * inset = getOpenInset(name);
1301                 if (inset) {
1302                         FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1303                         FuncStatus fs;
1304                         if (!inset->getStatus(view()->cursor(), fr, fs)) {
1305                                 // Every inset is supposed to handle this
1306                                 LASSERT(false, break);
1307                         }
1308                         flag |= fs;
1309                 } else {
1310                         FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1311                         flag |= lyx::getStatus(fr);
1312                 }
1313                 enable = flag.enabled();
1314                 break;
1315         }
1316
1317         case LFUN_COMPLETION_INLINE:
1318                 if (!d.current_work_area_
1319                     || !d.current_work_area_->completer().inlinePossible(view()->cursor()))
1320                     enable = false;
1321                 break;
1322
1323         case LFUN_COMPLETION_POPUP:
1324                 if (!d.current_work_area_
1325                     || !d.current_work_area_->completer().popupPossible(view()->cursor()))
1326                     enable = false;
1327                 break;
1328
1329         case LFUN_COMPLETION_COMPLETE:
1330                 if (!d.current_work_area_
1331                         || !d.current_work_area_->completer().inlinePossible(view()->cursor()))
1332                     enable = false;
1333                 break;
1334
1335         case LFUN_COMPLETION_ACCEPT:
1336                 if (!d.current_work_area_
1337                     || (!d.current_work_area_->completer().popupVisible()
1338                         && !d.current_work_area_->completer().inlineVisible()
1339                         && !d.current_work_area_->completer().completionAvailable()))
1340                         enable = false;
1341                 break;
1342
1343         case LFUN_COMPLETION_CANCEL:
1344                 if (!d.current_work_area_
1345                     || (!d.current_work_area_->completer().popupVisible()
1346                         && !d.current_work_area_->completer().inlineVisible()))
1347                         enable = false;
1348                 break;
1349
1350         case LFUN_BUFFER_ZOOM_OUT:
1351                 enable = buf && lyxrc.zoom > 10;
1352                 break;
1353
1354         case LFUN_BUFFER_ZOOM_IN:
1355                 enable = buf;
1356                 break;
1357
1358         default:
1359                 return false;
1360         }
1361
1362         if (!enable)
1363                 flag.setEnabled(false);
1364
1365         return true;
1366 }
1367
1368
1369 static FileName selectTemplateFile()
1370 {
1371         FileDialog dlg(qt_("Select template file"));
1372         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1373         dlg.setButton1(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1374
1375         FileDialog::Result result = dlg.open(toqstr(lyxrc.template_path),
1376                              QStringList(qt_("LyX Documents (*.lyx)")));
1377
1378         if (result.first == FileDialog::Later)
1379                 return FileName();
1380         if (result.second.isEmpty())
1381                 return FileName();
1382         return FileName(fromqstr(result.second));
1383 }
1384
1385
1386 Buffer * GuiView::loadDocument(FileName const & filename, bool tolastfiles)
1387 {
1388         setBusy(true);
1389
1390         Buffer * newBuffer = checkAndLoadLyXFile(filename);
1391
1392         if (!newBuffer) {
1393                 message(_("Document not loaded."));
1394                 setBusy(false);
1395                 return 0;
1396         }
1397
1398         setBuffer(newBuffer);
1399
1400         // scroll to the position when the file was last closed
1401         if (lyxrc.use_lastfilepos) {
1402                 LastFilePosSection::FilePos filepos =
1403                         theSession().lastFilePos().load(filename);
1404                 view()->moveToPosition(filepos.pit, filepos.pos, 0, 0);
1405         }
1406
1407         if (tolastfiles)
1408                 theSession().lastFiles().add(filename);
1409
1410         setBusy(false);
1411         return newBuffer;
1412 }
1413
1414
1415 void GuiView::openDocument(string const & fname)
1416 {
1417         string initpath = lyxrc.document_path;
1418
1419         if (buffer()) {
1420                 string const trypath = buffer()->filePath();
1421                 // If directory is writeable, use this as default.
1422                 if (FileName(trypath).isDirWritable())
1423                         initpath = trypath;
1424         }
1425
1426         string filename;
1427
1428         if (fname.empty()) {
1429                 FileDialog dlg(qt_("Select document to open"), LFUN_FILE_OPEN);
1430                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1431                 dlg.setButton2(qt_("Examples|#E#e"),
1432                                 toqstr(addPath(package().system_support().absFilename(), "examples")));
1433
1434                 QStringList filter(qt_("LyX Documents (*.lyx)"));
1435                 filter << qt_("LyX-1.3.x Documents (*.lyx13)")
1436                         << qt_("LyX-1.4.x Documents (*.lyx14)")
1437                         << qt_("LyX-1.5.x Documents (*.lyx15)")
1438                         << qt_("LyX-1.6.x Documents (*.lyx16)");
1439                 FileDialog::Result result =
1440                         dlg.open(toqstr(initpath), filter);
1441
1442                 if (result.first == FileDialog::Later)
1443                         return;
1444
1445                 filename = fromqstr(result.second);
1446
1447                 // check selected filename
1448                 if (filename.empty()) {
1449                         message(_("Canceled."));
1450                         return;
1451                 }
1452         } else
1453                 filename = fname;
1454
1455         // get absolute path of file and add ".lyx" to the filename if
1456         // necessary.
1457         FileName const fullname =
1458                         fileSearch(string(), filename, "lyx", support::may_not_exist);
1459         if (!fullname.empty())
1460                 filename = fullname.absFilename();
1461
1462         if (!fullname.onlyPath().isDirectory()) {
1463                 Alert::warning(_("Invalid filename"),
1464                                 bformat(_("The directory in the given path\n%1$s\ndoes not exists."),
1465                                 from_utf8(fullname.absFilename())));
1466                 return;
1467         }
1468         // if the file doesn't exist, let the user create one
1469         if (!fullname.exists()) {
1470                 // the user specifically chose this name. Believe him.
1471                 Buffer * const b = newFile(filename, string(), true);
1472                 if (b)
1473                         setBuffer(b);
1474                 return;
1475         }
1476
1477         docstring const disp_fn = makeDisplayPath(filename);
1478         message(bformat(_("Opening document %1$s..."), disp_fn));
1479
1480         docstring str2;
1481         Buffer * buf = loadDocument(fullname);
1482         if (buf) {
1483                 buf->updateLabels();
1484                 setBuffer(buf);
1485                 buf->errors("Parse");
1486                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1487                 if (buf->lyxvc().inUse())
1488                         str2 += " " + from_utf8(buf->lyxvc().versionString()) +
1489                                 " " + _("Version control detected.");
1490         } else {
1491                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1492         }
1493         message(str2);
1494 }
1495
1496 // FIXME: clean that
1497 static bool import(GuiView * lv, FileName const & filename,
1498         string const & format, ErrorList & errorList)
1499 {
1500         FileName const lyxfile(support::changeExtension(filename.absFilename(), ".lyx"));
1501
1502         string loader_format;
1503         vector<string> loaders = theConverters().loaders();
1504         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
1505                 for (vector<string>::const_iterator it = loaders.begin();
1506                      it != loaders.end(); ++it) {
1507                         if (!theConverters().isReachable(format, *it))
1508                                 continue;
1509
1510                         string const tofile =
1511                                 support::changeExtension(filename.absFilename(),
1512                                 formats.extension(*it));
1513                         if (!theConverters().convert(0, filename, FileName(tofile),
1514                                 filename, format, *it, errorList))
1515                                 return false;
1516                         loader_format = *it;
1517                         break;
1518                 }
1519                 if (loader_format.empty()) {
1520                         frontend::Alert::error(_("Couldn't import file"),
1521                                      bformat(_("No information for importing the format %1$s."),
1522                                          formats.prettyName(format)));
1523                         return false;
1524                 }
1525         } else
1526                 loader_format = format;
1527
1528         if (loader_format == "lyx") {
1529                 Buffer * buf = lv->loadDocument(lyxfile);
1530                 if (!buf)
1531                         return false;
1532                 buf->updateLabels();
1533                 lv->setBuffer(buf);
1534                 buf->errors("Parse");
1535         } else {
1536                 Buffer * const b = newFile(lyxfile.absFilename(), string(), true);
1537                 if (!b)
1538                         return false;
1539                 lv->setBuffer(b);
1540                 bool as_paragraphs = loader_format == "textparagraph";
1541                 string filename2 = (loader_format == format) ? filename.absFilename()
1542                         : support::changeExtension(filename.absFilename(),
1543                                           formats.extension(loader_format));
1544                 lv->view()->insertPlaintextFile(FileName(filename2), as_paragraphs);
1545                 theLyXFunc().setLyXView(lv);
1546                 lyx::dispatch(FuncRequest(LFUN_MARK_OFF));
1547         }
1548
1549         return true;
1550 }
1551
1552
1553 void GuiView::importDocument(string const & argument)
1554 {
1555         string format;
1556         string filename = split(argument, format, ' ');
1557
1558         LYXERR(Debug::INFO, format << " file: " << filename);
1559
1560         // need user interaction
1561         if (filename.empty()) {
1562                 string initpath = lyxrc.document_path;
1563
1564                 Buffer const * buf = buffer();
1565                 if (buf) {
1566                         string const trypath = buf->filePath();
1567                         // If directory is writeable, use this as default.
1568                         if (FileName(trypath).isDirWritable())
1569                                 initpath = trypath;
1570                 }
1571
1572                 docstring const text = bformat(_("Select %1$s file to import"),
1573                         formats.prettyName(format));
1574
1575                 FileDialog dlg(toqstr(text), LFUN_BUFFER_IMPORT);
1576                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1577                 dlg.setButton2(qt_("Examples|#E#e"),
1578                         toqstr(addPath(package().system_support().absFilename(), "examples")));
1579
1580                 docstring filter = formats.prettyName(format);
1581                 filter += " (*.";
1582                 // FIXME UNICODE
1583                 filter += from_utf8(formats.extension(format));
1584                 filter += ')';
1585
1586                 FileDialog::Result result =
1587                         dlg.open(toqstr(initpath), fileFilters(toqstr(filter)));
1588
1589                 if (result.first == FileDialog::Later)
1590                         return;
1591
1592                 filename = fromqstr(result.second);
1593
1594                 // check selected filename
1595                 if (filename.empty())
1596                         message(_("Canceled."));
1597         }
1598
1599         if (filename.empty())
1600                 return;
1601
1602         // get absolute path of file
1603         FileName const fullname(support::makeAbsPath(filename));
1604
1605         FileName const lyxfile(support::changeExtension(fullname.absFilename(), ".lyx"));
1606
1607         // Check if the document already is open
1608         Buffer * buf = theBufferList().getBuffer(lyxfile);
1609         if (buf) {
1610                 setBuffer(buf);
1611                 if (!closeBuffer()) {
1612                         message(_("Canceled."));
1613                         return;
1614                 }
1615         }
1616
1617         docstring const displaypath = makeDisplayPath(lyxfile.absFilename(), 30);
1618
1619         // if the file exists already, and we didn't do
1620         // -i lyx thefile.lyx, warn
1621         if (lyxfile.exists() && fullname != lyxfile) {
1622
1623                 docstring text = bformat(_("The document %1$s already exists.\n\n"
1624                         "Do you want to overwrite that document?"), displaypath);
1625                 int const ret = Alert::prompt(_("Overwrite document?"),
1626                         text, 0, 1, _("&Overwrite"), _("&Cancel"));
1627
1628                 if (ret == 1) {
1629                         message(_("Canceled."));
1630                         return;
1631                 }
1632         }
1633
1634         message(bformat(_("Importing %1$s..."), displaypath));
1635         ErrorList errorList;
1636         if (import(this, fullname, format, errorList))
1637                 message(_("imported."));
1638         else
1639                 message(_("file not imported!"));
1640
1641         // FIXME (Abdel 12/08/06): Is there a need to display the error list here?
1642 }
1643
1644
1645 void GuiView::newDocument(string const & filename, bool from_template)
1646 {
1647         FileName initpath(lyxrc.document_path);
1648         Buffer * buf = buffer();
1649         if (buf) {
1650                 FileName const trypath(buf->filePath());
1651                 // If directory is writeable, use this as default.
1652                 if (trypath.isDirWritable())
1653                         initpath = trypath;
1654         }
1655
1656         string templatefile;
1657         if (from_template) {
1658                 templatefile = selectTemplateFile().absFilename();
1659                 if (templatefile.empty())
1660                         return;
1661         }
1662
1663         Buffer * b;
1664         if (filename.empty())
1665                 b = newUnnamedFile(templatefile, initpath);
1666         else
1667                 b = newFile(filename, templatefile, true);
1668
1669         if (b)
1670                 setBuffer(b);
1671
1672         // If no new document could be created, it is unsure
1673         // whether there is a valid BufferView.
1674         if (view())
1675                 // Ensure the cursor is correctly positioned on screen.
1676                 view()->showCursor();
1677 }
1678
1679
1680 void GuiView::insertLyXFile(docstring const & fname)
1681 {
1682         BufferView * bv = view();
1683         if (!bv)
1684                 return;
1685
1686         // FIXME UNICODE
1687         FileName filename(to_utf8(fname));
1688
1689         if (!filename.empty()) {
1690                 bv->insertLyXFile(filename);
1691                 return;
1692         }
1693
1694         // Launch a file browser
1695         // FIXME UNICODE
1696         string initpath = lyxrc.document_path;
1697         string const trypath = bv->buffer().filePath();
1698         // If directory is writeable, use this as default.
1699         if (FileName(trypath).isDirWritable())
1700                 initpath = trypath;
1701
1702         // FIXME UNICODE
1703         FileDialog dlg(qt_("Select LyX document to insert"), LFUN_FILE_INSERT);
1704         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1705         dlg.setButton2(qt_("Examples|#E#e"),
1706                 toqstr(addPath(package().system_support().absFilename(),
1707                 "examples")));
1708
1709         FileDialog::Result result = dlg.open(toqstr(initpath),
1710                              QStringList(qt_("LyX Documents (*.lyx)")));
1711
1712         if (result.first == FileDialog::Later)
1713                 return;
1714
1715         // FIXME UNICODE
1716         filename.set(fromqstr(result.second));
1717
1718         // check selected filename
1719         if (filename.empty()) {
1720                 // emit message signal.
1721                 message(_("Canceled."));
1722                 return;
1723         }
1724
1725         bv->insertLyXFile(filename);
1726 }
1727
1728
1729 void GuiView::insertPlaintextFile(docstring const & fname,
1730         bool asParagraph)
1731 {
1732         BufferView * bv = view();
1733         if (!bv)
1734                 return;
1735
1736         // FIXME UNICODE
1737         FileName filename(to_utf8(fname));
1738
1739         if (!filename.empty()) {
1740                 bv->insertPlaintextFile(filename, asParagraph);
1741                 return;
1742         }
1743
1744         FileDialog dlg(qt_("Select file to insert"), (asParagraph ?
1745                 LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT));
1746
1747         FileDialog::Result result = dlg.open(toqstr(bv->buffer().filePath()),
1748                 QStringList(qt_("All Files (*)")));
1749
1750         if (result.first == FileDialog::Later)
1751                 return;
1752
1753         // FIXME UNICODE
1754         filename.set(fromqstr(result.second));
1755
1756         // check selected filename
1757         if (filename.empty()) {
1758                 // emit message signal.
1759                 message(_("Canceled."));
1760                 return;
1761         }
1762
1763         bv->insertPlaintextFile(filename, asParagraph);
1764 }
1765
1766
1767 bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
1768 {
1769         FileName fname = b.fileName();
1770         FileName const oldname = fname;
1771
1772         if (!newname.empty()) {
1773                 // FIXME UNICODE
1774                 fname = support::makeAbsPath(to_utf8(newname), oldname.onlyPath().absFilename());
1775         } else {
1776                 // Switch to this Buffer.
1777                 setBuffer(&b);
1778
1779                 // No argument? Ask user through dialog.
1780                 // FIXME UNICODE
1781                 FileDialog dlg(qt_("Choose a filename to save document as"),
1782                                    LFUN_BUFFER_WRITE_AS);
1783                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1784                 dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1785
1786                 if (!isLyXFilename(fname.absFilename()))
1787                         fname.changeExtension(".lyx");
1788
1789                 FileDialog::Result result =
1790                         dlg.save(toqstr(fname.onlyPath().absFilename()),
1791                                QStringList(qt_("LyX Documents (*.lyx)")),
1792                                      toqstr(fname.onlyFileName()));
1793
1794                 if (result.first == FileDialog::Later)
1795                         return false;
1796
1797                 fname.set(fromqstr(result.second));
1798
1799                 if (fname.empty())
1800                         return false;
1801
1802                 if (!isLyXFilename(fname.absFilename()))
1803                         fname.changeExtension(".lyx");
1804         }
1805
1806         if (FileName(fname).exists()) {
1807                 docstring const file = makeDisplayPath(fname.absFilename(), 30);
1808                 docstring text = bformat(_("The document %1$s already "
1809                                            "exists.\n\nDo you want to "
1810                                            "overwrite that document?"),
1811                                          file);
1812                 int const ret = Alert::prompt(_("Overwrite document?"),
1813                         text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
1814                 switch (ret) {
1815                 case 0: break;
1816                 case 1: return renameBuffer(b, docstring());
1817                 case 2: return false;
1818                 }
1819         }
1820
1821         // Ok, change the name of the buffer
1822         b.setFileName(fname.absFilename());
1823         b.markDirty();
1824         bool unnamed = b.isUnnamed();
1825         b.setUnnamed(false);
1826         b.saveCheckSum(fname);
1827
1828         if (!saveBuffer(b)) {
1829                 b.setFileName(oldname.absFilename());
1830                 b.setUnnamed(unnamed);
1831                 b.saveCheckSum(oldname);
1832                 return false;
1833         }
1834
1835         return true;
1836 }
1837
1838
1839 bool GuiView::saveBuffer(Buffer & b)
1840 {
1841         if (workArea(b) && workArea(b)->inDialogMode())
1842                 return true;
1843
1844         if (b.isUnnamed())
1845                 return renameBuffer(b, docstring());
1846
1847         if (b.save()) {
1848                 theSession().lastFiles().add(b.fileName());
1849                 return true;
1850         }
1851
1852         // Switch to this Buffer.
1853         setBuffer(&b);
1854
1855         // FIXME: we don't tell the user *WHY* the save failed !!
1856         docstring const file = makeDisplayPath(b.absFileName(), 30);
1857         docstring text = bformat(_("The document %1$s could not be saved.\n\n"
1858                                    "Do you want to rename the document and "
1859                                    "try again?"), file);
1860         int const ret = Alert::prompt(_("Rename and save?"),
1861                 text, 0, 2, _("&Rename"), _("&Retry"), _("&Cancel"));
1862         switch (ret) {
1863         case 0:
1864                 if (!renameBuffer(b, docstring()))
1865                         return false;
1866                 break;
1867         case 1:
1868                 break;
1869         case 2:
1870                 return false;
1871         }
1872
1873         return saveBuffer(b);
1874 }
1875
1876
1877 bool GuiView::closeBuffer()
1878 {
1879         Buffer * buf = buffer();
1880         return buf && closeBuffer(*buf);
1881 }
1882
1883
1884 bool GuiView::closeBuffer(Buffer & buf, bool tolastopened)
1885 {
1886         // goto bookmark to update bookmark pit.
1887         //FIXME: we should update only the bookmarks related to this buffer!
1888         LYXERR(Debug::DEBUG, "GuiView::closeBuffer()");
1889         for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
1890                 theLyXFunc().gotoBookmark(i+1, false, false);
1891
1892         if (buf.isClean() || buf.paragraphs().empty()) {
1893                 // save in sessions if requested
1894                 // do not save childs if their master
1895                 // is opened as well
1896                 if (tolastopened)
1897                         theSession().lastOpened().add(buf.fileName());
1898                 if (buf.parent())
1899                         // Don't close child documents.
1900                         removeWorkArea(currentMainWorkArea());
1901                 else
1902                         theBufferList().release(&buf);
1903                 return true;
1904         }
1905         // Switch to this Buffer.
1906         setBuffer(&buf);
1907
1908         docstring file;
1909         // FIXME: Unicode?
1910         if (buf.isUnnamed())
1911                 file = from_utf8(buf.fileName().onlyFileName());
1912         else
1913                 file = buf.fileName().displayName(30);
1914
1915         // Bring this window to top before asking questions.
1916         raise();
1917         activateWindow();
1918
1919         docstring const text = bformat(_("The document %1$s has unsaved changes."
1920                 "\n\nDo you want to save the document or discard the changes?"), file);
1921         int const ret = Alert::prompt(_("Save changed document?"),
1922                 text, 0, 2, _("&Save"), _("&Discard"), _("&Cancel"));
1923
1924         switch (ret) {
1925         case 0:
1926                 if (!saveBuffer(buf))
1927                         return false;
1928                 break;
1929         case 1:
1930                 // if we crash after this we could
1931                 // have no autosave file but I guess
1932                 // this is really improbable (Jug)
1933                 buf.removeAutosaveFile();
1934                 break;
1935         case 2:
1936                 return false;
1937         }
1938
1939         // save file names to .lyx/session
1940         if (tolastopened)
1941                 theSession().lastOpened().add(buf.fileName());
1942
1943         if (buf.parent())
1944                 // Don't close child documents.
1945                 removeWorkArea(currentMainWorkArea());
1946         else
1947                 theBufferList().release(&buf);
1948
1949         return true;
1950 }
1951
1952
1953 void GuiView::gotoNextOrPreviousBuffer(NextOrPrevious np)
1954 {
1955         Buffer * const curbuf = buffer();
1956         Buffer * nextbuf = curbuf;
1957         while (true) {
1958                 if (np == NEXTBUFFER)
1959                         nextbuf = theBufferList().next(nextbuf);
1960                 else
1961                         nextbuf = theBufferList().previous(nextbuf);
1962                 if (nextbuf == curbuf)
1963                         break;
1964                 if (nextbuf == 0) {
1965                         nextbuf = curbuf;
1966                         break;
1967                 }
1968                 if (workArea(*nextbuf))
1969                         break;
1970         }
1971         setBuffer(nextbuf);
1972 }
1973
1974
1975 bool GuiView::dispatch(FuncRequest const & cmd)
1976 {
1977         BufferView * bv = view();
1978         // By default we won't need any update.
1979         if (bv)
1980                 bv->cursor().updateFlags(Update::None);
1981         bool dispatched = true;
1982
1983         if (cmd.origin == FuncRequest::TOC) {
1984                 GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
1985                 toc->doDispatch(bv->cursor(), cmd);
1986                 return true;
1987         }
1988
1989         switch(cmd.action) {
1990                 case LFUN_BUFFER_IMPORT:
1991                         importDocument(to_utf8(cmd.argument()));
1992                         break;
1993
1994                 case LFUN_BUFFER_SWITCH: {
1995                         Buffer * buffer =
1996                                 theBufferList().getBuffer(FileName(to_utf8(cmd.argument())));
1997                         if (buffer)
1998                                 setBuffer(buffer);
1999                         else
2000                                 bv->cursor().message(_("Document not loaded"));
2001                         break;
2002                 }
2003
2004                 case LFUN_BUFFER_NEXT:
2005                         gotoNextOrPreviousBuffer(NEXTBUFFER);
2006                         break;
2007
2008                 case LFUN_BUFFER_PREVIOUS:
2009                         gotoNextOrPreviousBuffer(PREVBUFFER);
2010                         break;
2011
2012                 case LFUN_COMMAND_EXECUTE: {
2013                         bool const show_it = cmd.argument() != "off";
2014                         // FIXME: this is a hack, "minibuffer" should not be
2015                         // hardcoded.
2016                         if (GuiToolbar * t = toolbar("minibuffer")) {
2017                                 t->setVisible(show_it);
2018                                 if (show_it && t->commandBuffer())
2019                                         t->commandBuffer()->setFocus();
2020                         }
2021                         break;
2022                 }
2023                 case LFUN_DROP_LAYOUTS_CHOICE:
2024                         if (d.layout_)
2025                                 d.layout_->showPopup();
2026                         break;
2027
2028                 case LFUN_MENU_OPEN:
2029                         if (QMenu * menu = guiApp->menus().menu(toqstr(cmd.argument()), *this))
2030                                 menu->exec(QCursor::pos());
2031                         break;
2032
2033                 case LFUN_FILE_INSERT:
2034                         insertLyXFile(cmd.argument());
2035                         break;
2036                 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
2037                         insertPlaintextFile(cmd.argument(), true);
2038                         break;
2039
2040                 case LFUN_FILE_INSERT_PLAINTEXT:
2041                         insertPlaintextFile(cmd.argument(), false);
2042                         break;
2043
2044                 case LFUN_BUFFER_WRITE:
2045                         if (bv)
2046                                 saveBuffer(bv->buffer());
2047                         break;
2048
2049                 case LFUN_BUFFER_WRITE_AS:
2050                         if (bv)
2051                                 renameBuffer(bv->buffer(), cmd.argument());
2052                         break;
2053
2054                 case LFUN_BUFFER_WRITE_ALL: {
2055                         Buffer * first = theBufferList().first();
2056                         if (!first)
2057                                 break;
2058                         message(_("Saving all documents..."));
2059                         // We cannot use a for loop as the buffer list cycles.
2060                         Buffer * b = first;
2061                         do {
2062                                 if (!b->isClean()) {
2063                                         saveBuffer(*b);
2064                                         LYXERR(Debug::ACTION, "Saved " << b->absFileName());
2065                                 }
2066                                 b = theBufferList().next(b);
2067                         } while (b != first);
2068                         message(_("All documents saved."));
2069                         break;
2070                 }
2071
2072                 case LFUN_TOOLBAR_TOGGLE: {
2073                         string const name = cmd.getArg(0);
2074                         if (GuiToolbar * t = toolbar(name))
2075                                 t->toggle();
2076                         break;
2077                 }
2078
2079                 case LFUN_DIALOG_UPDATE: {
2080                         string const name = to_utf8(cmd.argument());
2081                         // Can only update a dialog connected to an existing inset
2082                         Inset * inset = getOpenInset(name);
2083                         if (inset) {
2084                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument());
2085                                 inset->dispatch(view()->cursor(), fr);
2086                         } else if (name == "paragraph") {
2087                                 lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
2088                         } else if (name == "prefs" || name == "document") {
2089                                 updateDialog(name, string());
2090                         }
2091                         break;
2092                 }
2093
2094                 case LFUN_DIALOG_TOGGLE: {
2095                         if (isDialogVisible(cmd.getArg(0)))
2096                                 dispatch(FuncRequest(LFUN_DIALOG_HIDE, cmd.argument()));
2097                         else
2098                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, cmd.argument()));
2099                         break;
2100                 }
2101
2102                 case LFUN_DIALOG_DISCONNECT_INSET:
2103                         disconnectDialog(to_utf8(cmd.argument()));
2104                         break;
2105
2106                 case LFUN_DIALOG_HIDE: {
2107                         guiApp->hideDialogs(to_utf8(cmd.argument()), 0);
2108                         break;
2109                 }
2110
2111                 case LFUN_DIALOG_SHOW: {
2112                         string const name = cmd.getArg(0);
2113                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2114
2115                         if (name == "character") {
2116                                 data = freefont2string();
2117                                 if (!data.empty())
2118                                         showDialog("character", data);
2119                         } else if (name == "latexlog") {
2120                                 Buffer::LogType type;
2121                                 string const logfile = buffer()->logName(&type);
2122                                 switch (type) {
2123                                 case Buffer::latexlog:
2124                                         data = "latex ";
2125                                         break;
2126                                 case Buffer::buildlog:
2127                                         data = "literate ";
2128                                         break;
2129                                 }
2130                                 data += Lexer::quoteString(logfile);
2131                                 showDialog("log", data);
2132                         } else if (name == "vclog") {
2133                                 string const data = "vc " +
2134                                         Lexer::quoteString(buffer()->lyxvc().getLogFile());
2135                                 showDialog("log", data);
2136                         } else if (name == "symbols") {
2137                                 data = bv->cursor().getEncoding()->name();
2138                                 if (!data.empty())
2139                                         showDialog("symbols", data);
2140                         // bug 5274
2141                         } else if (name == "prefs" && isFullScreen()) {
2142                                 FuncRequest fr(LFUN_INSET_INSERT, "fullscreen");
2143                                 lfunUiToggle(fr);
2144                                 showDialog("prefs", data);
2145                         } else
2146                                 showDialog(name, data);
2147                         break;
2148                 }
2149
2150                 case LFUN_INSET_APPLY: {
2151                         string const name = cmd.getArg(0);
2152                         Inset * inset = getOpenInset(name);
2153                         if (inset) {
2154                                 // put cursor in front of inset.
2155                                 if (!view()->setCursorFromInset(inset)) {
2156                                         LASSERT(false, break);
2157                                 }
2158
2159                                 // useful if we are called from a dialog.
2160                                 view()->cursor().beginUndoGroup();
2161                                 view()->cursor().recordUndo();
2162                                 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2163                                 inset->dispatch(view()->cursor(), fr);
2164                                 view()->cursor().endUndoGroup();
2165                         } else {
2166                                 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2167                                 lyx::dispatch(fr);
2168                         }
2169                         break;
2170                 }
2171
2172                 case LFUN_UI_TOGGLE:
2173                         lfunUiToggle(cmd);
2174                         // Make sure the keyboard focus stays in the work area.
2175                         setFocus();
2176                         break;
2177
2178                 case LFUN_SPLIT_VIEW:
2179                         if (Buffer * buf = buffer()) {
2180                                 string const orientation = cmd.getArg(0);
2181                                 d.splitter_->setOrientation(orientation == "vertical"
2182                                         ? Qt::Vertical : Qt::Horizontal);
2183                                 TabWorkArea * twa = addTabWorkArea();
2184                                 GuiWorkArea * wa = twa->addWorkArea(*buf, *this);
2185                                 setCurrentWorkArea(wa);
2186                         }
2187                         break;
2188
2189                 case LFUN_CLOSE_TAB_GROUP:
2190                         if (TabWorkArea * twa = d.currentTabWorkArea()) {
2191                                 delete twa;
2192                                 twa = d.currentTabWorkArea();
2193                                 // Switch to the next GuiWorkArea in the found TabWorkArea.
2194                                 if (twa) {
2195                                         // Make sure the work area is up to date.
2196                                         setCurrentWorkArea(twa->currentWorkArea());
2197                                 } else {
2198                                         setCurrentWorkArea(0);
2199                                 }
2200                         }
2201                         break;
2202
2203                 case LFUN_COMPLETION_INLINE:
2204                         if (d.current_work_area_)
2205                                 d.current_work_area_->completer().showInline();
2206                         break;
2207
2208                 case LFUN_COMPLETION_POPUP:
2209                         if (d.current_work_area_)
2210                                 d.current_work_area_->completer().showPopup();
2211                         break;
2212
2213
2214                 case LFUN_COMPLETION_COMPLETE:
2215                         if (d.current_work_area_)
2216                                 d.current_work_area_->completer().tab();
2217                         break;
2218
2219                 case LFUN_COMPLETION_CANCEL:
2220                         if (d.current_work_area_) {
2221                                 if (d.current_work_area_->completer().popupVisible())
2222                                         d.current_work_area_->completer().hidePopup();
2223                                 else
2224                                         d.current_work_area_->completer().hideInline();
2225                         }
2226                         break;
2227
2228                 case LFUN_COMPLETION_ACCEPT:
2229                         if (d.current_work_area_)
2230                                 d.current_work_area_->completer().activate();
2231                         break;
2232
2233                 case LFUN_BUFFER_ZOOM_IN:
2234                 case LFUN_BUFFER_ZOOM_OUT:
2235                         if (cmd.argument().empty()) {
2236                                 if (cmd.action == LFUN_BUFFER_ZOOM_IN)
2237                                         lyxrc.zoom += 20;
2238                                 else
2239                                         lyxrc.zoom -= 20;
2240                         } else
2241                                 lyxrc.zoom += convert<int>(cmd.argument());
2242
2243                         if (lyxrc.zoom < 10)
2244                                 lyxrc.zoom = 10;
2245
2246                         // The global QPixmapCache is used in GuiPainter to cache text
2247                         // painting so we must reset it.
2248                         QPixmapCache::clear();
2249                         guiApp->fontLoader().update();
2250                         lyx::dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
2251                         break;
2252
2253                 default:
2254                         dispatched = false;
2255                         break;
2256         }
2257
2258         // Part of automatic menu appearance feature.
2259         if (isFullScreen()) {
2260                 if (menuBar()->isVisible())
2261                         menuBar()->hide();
2262                 if (statusBar()->isVisible())
2263                         statusBar()->hide();
2264         }
2265
2266         return dispatched;
2267 }
2268
2269
2270 void GuiView::lfunUiToggle(FuncRequest const & cmd)
2271 {
2272         string const arg = cmd.getArg(0);
2273         if (arg == "scrollbar") {
2274                 // hide() is of no help
2275                 if (d.current_work_area_->verticalScrollBarPolicy() ==
2276                         Qt::ScrollBarAlwaysOff)
2277
2278                         d.current_work_area_->setVerticalScrollBarPolicy(
2279                                 Qt::ScrollBarAsNeeded);
2280                 else
2281                         d.current_work_area_->setVerticalScrollBarPolicy(
2282                                 Qt::ScrollBarAlwaysOff);
2283                 return;
2284         }
2285         if (arg == "statusbar") {
2286                 statusBar()->setVisible(!statusBar()->isVisible());
2287                 return;
2288         }
2289         if (arg == "menubar") {
2290                 menuBar()->setVisible(!menuBar()->isVisible());
2291                 return;
2292         }
2293 #if QT_VERSION >= 0x040300
2294         if (arg == "frame") {
2295                 int l, t, r, b;
2296                 getContentsMargins(&l, &t, &r, &b);
2297                 //are the frames in default state?
2298                 d.current_work_area_->setFrameStyle(QFrame::NoFrame);
2299                 if (l == 0) {
2300                         setContentsMargins(-2, -2, -2, -2);
2301                 } else {
2302                         setContentsMargins(0, 0, 0, 0);
2303                 }
2304                 return;
2305         }
2306 #endif
2307         if (arg == "fullscreen") {
2308                 toggleFullScreen();
2309                 return;
2310         }
2311
2312         message(bformat("LFUN_UI_TOGGLE " + _("%1$s unknown command!"), from_utf8(arg)));
2313 }
2314
2315
2316 void GuiView::toggleFullScreen()
2317 {
2318         if (isFullScreen()) {
2319                 for (int i = 0; i != d.splitter_->count(); ++i)
2320                         d.tabWorkArea(i)->setFullScreen(false);
2321 #if QT_VERSION >= 0x040300
2322                 setContentsMargins(0, 0, 0, 0);
2323 #endif
2324                 setWindowState(windowState() ^ Qt::WindowFullScreen);
2325                 restoreLayout();
2326                 menuBar()->show();
2327                 statusBar()->show();
2328         } else {
2329                 // bug 5274
2330                 hideDialogs("prefs", 0);
2331                 for (int i = 0; i != d.splitter_->count(); ++i)
2332                         d.tabWorkArea(i)->setFullScreen(true);
2333 #if QT_VERSION >= 0x040300
2334                 setContentsMargins(-2, -2, -2, -2);
2335 #endif
2336                 saveLayout();
2337                 setWindowState(windowState() ^ Qt::WindowFullScreen);
2338                 statusBar()->hide();
2339                 menuBar()->hide();
2340                 if (lyxrc.full_screen_toolbars) {
2341                         ToolbarMap::iterator end = d.toolbars_.end();
2342                         for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
2343                                 it->second->hide();
2344                 }
2345         }
2346
2347         // give dialogs like the TOC a chance to adapt
2348         updateDialogs();
2349 }
2350
2351
2352 Buffer const * GuiView::updateInset(Inset const * inset)
2353 {
2354         if (!d.current_work_area_)
2355                 return 0;
2356
2357         if (inset)
2358                 d.current_work_area_->scheduleRedraw();
2359
2360         return &d.current_work_area_->bufferView().buffer();
2361 }
2362
2363
2364 void GuiView::restartCursor()
2365 {
2366         /* When we move around, or type, it's nice to be able to see
2367          * the cursor immediately after the keypress.
2368          */
2369         if (d.current_work_area_)
2370                 d.current_work_area_->startBlinkingCursor();
2371
2372         // Take this occasion to update the other GUI elements.
2373         updateDialogs();
2374         updateStatusBar();
2375 }
2376
2377
2378 void GuiView::updateCompletion(Cursor & cur, bool start, bool keep)
2379 {
2380         if (d.current_work_area_)
2381                 d.current_work_area_->completer().updateVisibility(cur, start, keep);
2382 }
2383
2384 namespace {
2385
2386 // This list should be kept in sync with the list of insets in
2387 // src/insets/Inset.cpp.  I.e., if a dialog goes with an inset, the
2388 // dialog should have the same name as the inset.
2389 // Changes should be also recorded in LFUN_DIALOG_SHOW doxygen
2390 // docs in LyXAction.cpp.
2391
2392 char const * const dialognames[] = {
2393 "aboutlyx", "bibitem", "bibtex", "box", "branch", "changes", "character",
2394 "citation", "document", "errorlist", "ert", "external", "file", "findreplace",
2395 "float", "graphics", "include", "index", "info", "nomenclature", "label",
2396 "log", "mathdelimiter", "mathmatrix", "mathspace", "note", "paragraph",
2397 "phantom", "prefs", "print", "ref", "sendto", "space", "spellchecker",
2398 "symbols", "tabular", "tabularcreate",
2399
2400 #ifdef HAVE_LIBAIKSAURUS
2401 "thesaurus",
2402 #endif
2403
2404 "texinfo", "toc", "href", "view-source", "vspace", "wrap", "listings", "findreplaceadv" };
2405
2406 char const * const * const end_dialognames =
2407         dialognames + (sizeof(dialognames) / sizeof(char *));
2408
2409 class cmpCStr {
2410 public:
2411         cmpCStr(char const * name) : name_(name) {}
2412         bool operator()(char const * other) {
2413                 return strcmp(other, name_) == 0;
2414         }
2415 private:
2416         char const * name_;
2417 };
2418
2419
2420 bool isValidName(string const & name)
2421 {
2422         return find_if(dialognames, end_dialognames,
2423                             cmpCStr(name.c_str())) != end_dialognames;
2424 }
2425
2426 } // namespace anon
2427
2428
2429 void GuiView::resetDialogs()
2430 {
2431         // Make sure that no LFUN uses any LyXView.
2432         theLyXFunc().setLyXView(0);
2433         saveLayout();
2434         menuBar()->clear();
2435         constructToolbars();
2436         guiApp->menus().fillMenuBar(menuBar(), this, false);
2437         if (d.layout_)
2438                 d.layout_->updateContents(true);
2439         // Now update controls with current buffer.
2440         theLyXFunc().setLyXView(this);
2441         restoreLayout();
2442         restartCursor();
2443 }
2444
2445
2446 Dialog * GuiView::findOrBuild(string const & name, bool hide_it)
2447 {
2448         if (!isValidName(name))
2449                 return 0;
2450
2451         map<string, DialogPtr>::iterator it = d.dialogs_.find(name);
2452
2453         if (it != d.dialogs_.end()) {
2454                 if (hide_it)
2455                         it->second->hideView();
2456                 return it->second.get();
2457         }
2458
2459         Dialog * dialog = build(name);
2460         d.dialogs_[name].reset(dialog);
2461         if (lyxrc.allow_geometry_session)
2462                 dialog->restoreSession();
2463         if (hide_it)
2464                 dialog->hideView();
2465         return dialog;
2466 }
2467
2468
2469 void GuiView::showDialog(string const & name, string const & data,
2470         Inset * inset)
2471 {
2472         if (d.in_show_)
2473                 return;
2474
2475         d.in_show_ = true;
2476         try {
2477                 Dialog * dialog = findOrBuild(name, false);
2478                 if (dialog) {
2479                         dialog->showData(data);
2480                         if (inset)
2481                                 d.open_insets_[name] = inset;
2482                 }
2483         }
2484         catch (ExceptionMessage const & ex) {
2485                 d.in_show_ = false;
2486                 throw ex;
2487         }
2488         d.in_show_ = false;
2489 }
2490
2491
2492 bool GuiView::isDialogVisible(string const & name) const
2493 {
2494         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
2495         if (it == d.dialogs_.end())
2496                 return false;
2497         return it->second.get()->isVisibleView();
2498 }
2499
2500
2501 void GuiView::hideDialog(string const & name, Inset * inset)
2502 {
2503         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
2504         if (it == d.dialogs_.end())
2505                 return;
2506
2507         if (inset && inset != getOpenInset(name))
2508                 return;
2509
2510         Dialog * const dialog = it->second.get();
2511         if (dialog->isVisibleView())
2512                 dialog->hideView();
2513         d.open_insets_[name] = 0;
2514 }
2515
2516
2517 void GuiView::disconnectDialog(string const & name)
2518 {
2519         if (!isValidName(name))
2520                 return;
2521
2522         if (d.open_insets_.find(name) != d.open_insets_.end())
2523                 d.open_insets_[name] = 0;
2524 }
2525
2526
2527 Inset * GuiView::getOpenInset(string const & name) const
2528 {
2529         if (!isValidName(name))
2530                 return 0;
2531
2532         map<string, Inset *>::const_iterator it = d.open_insets_.find(name);
2533         return it == d.open_insets_.end() ? 0 : it->second;
2534 }
2535
2536
2537 void GuiView::hideAll() const
2538 {
2539         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
2540         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
2541
2542         for(; it != end; ++it)
2543                 it->second->hideView();
2544 }
2545
2546
2547 void GuiView::updateDialogs()
2548 {
2549         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
2550         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
2551
2552         for(; it != end; ++it) {
2553                 Dialog * dialog = it->second.get();
2554                 if (dialog && dialog->isVisibleView())
2555                         dialog->checkStatus();
2556         }
2557         updateToolbars();
2558         updateLayoutList();
2559 }
2560
2561
2562 // will be replaced by a proper factory...
2563 Dialog * createGuiAbout(GuiView & lv);
2564 Dialog * createGuiBibitem(GuiView & lv);
2565 Dialog * createGuiBibtex(GuiView & lv);
2566 Dialog * createGuiBox(GuiView & lv);
2567 Dialog * createGuiBranch(GuiView & lv);
2568 Dialog * createGuiChanges(GuiView & lv);
2569 Dialog * createGuiCharacter(GuiView & lv);
2570 Dialog * createGuiCitation(GuiView & lv);
2571 Dialog * createGuiDelimiter(GuiView & lv);
2572 Dialog * createGuiDocument(GuiView & lv);
2573 Dialog * createGuiErrorList(GuiView & lv);
2574 Dialog * createGuiERT(GuiView & lv);
2575 Dialog * createGuiExternal(GuiView & lv);
2576 Dialog * createGuiFloat(GuiView & lv);
2577 Dialog * createGuiGraphics(GuiView & lv);
2578 Dialog * createGuiInclude(GuiView & lv);
2579 Dialog * createGuiInfo(GuiView & lv);
2580 Dialog * createGuiLabel(GuiView & lv);
2581 Dialog * createGuiListings(GuiView & lv);
2582 Dialog * createGuiLog(GuiView & lv);
2583 Dialog * createGuiMathHSpace(GuiView & lv);
2584 Dialog * createGuiMathMatrix(GuiView & lv);
2585 Dialog * createGuiNomenclature(GuiView & lv);
2586 Dialog * createGuiNote(GuiView & lv);
2587 Dialog * createGuiParagraph(GuiView & lv);
2588 Dialog * createGuiPhantom(GuiView & lv);
2589 Dialog * createGuiPreferences(GuiView & lv);
2590 Dialog * createGuiPrint(GuiView & lv);
2591 Dialog * createGuiRef(GuiView & lv);
2592 Dialog * createGuiSearch(GuiView & lv);
2593 Dialog * createGuiSearchAdv(GuiView & lv);
2594 Dialog * createGuiSendTo(GuiView & lv);
2595 Dialog * createGuiShowFile(GuiView & lv);
2596 Dialog * createGuiSpellchecker(GuiView & lv);
2597 Dialog * createGuiSymbols(GuiView & lv);
2598 Dialog * createGuiTabularCreate(GuiView & lv);
2599 Dialog * createGuiTabular(GuiView & lv);
2600 Dialog * createGuiTexInfo(GuiView & lv);
2601 Dialog * createGuiTextHSpace(GuiView & lv);
2602 Dialog * createGuiToc(GuiView & lv);
2603 Dialog * createGuiThesaurus(GuiView & lv);
2604 Dialog * createGuiHyperlink(GuiView & lv);
2605 Dialog * createGuiVSpace(GuiView & lv);
2606 Dialog * createGuiViewSource(GuiView & lv);
2607 Dialog * createGuiWrap(GuiView & lv);
2608
2609
2610 Dialog * GuiView::build(string const & name)
2611 {
2612         LASSERT(isValidName(name), return 0);
2613
2614         if (name == "aboutlyx")
2615                 return createGuiAbout(*this);
2616         if (name == "bibitem")
2617                 return createGuiBibitem(*this);
2618         if (name == "bibtex")
2619                 return createGuiBibtex(*this);
2620         if (name == "box")
2621                 return createGuiBox(*this);
2622         if (name == "branch")
2623                 return createGuiBranch(*this);
2624         if (name == "changes")
2625                 return createGuiChanges(*this);
2626         if (name == "character")
2627                 return createGuiCharacter(*this);
2628         if (name == "citation")
2629                 return createGuiCitation(*this);
2630         if (name == "document")
2631                 return createGuiDocument(*this);
2632         if (name == "errorlist")
2633                 return createGuiErrorList(*this);
2634         if (name == "ert")
2635                 return createGuiERT(*this);
2636         if (name == "external")
2637                 return createGuiExternal(*this);
2638         if (name == "file")
2639                 return createGuiShowFile(*this);
2640         if (name == "findreplace")
2641                 return createGuiSearch(*this);
2642         if (name == "findreplaceadv")
2643                 return createGuiSearchAdv(*this);
2644         if (name == "float")
2645                 return createGuiFloat(*this);
2646         if (name == "graphics")
2647                 return createGuiGraphics(*this);
2648         if (name == "include")
2649                 return createGuiInclude(*this);
2650         if (name == "info")
2651                 return createGuiInfo(*this);
2652         if (name == "nomenclature")
2653                 return createGuiNomenclature(*this);
2654         if (name == "label")
2655                 return createGuiLabel(*this);
2656         if (name == "log")
2657                 return createGuiLog(*this);
2658         if (name == "mathdelimiter")
2659                 return createGuiDelimiter(*this);
2660         if (name == "mathspace")
2661                 return createGuiMathHSpace(*this);
2662         if (name == "mathmatrix")
2663                 return createGuiMathMatrix(*this);
2664         if (name == "note")
2665                 return createGuiNote(*this);
2666         if (name == "paragraph")
2667                 return createGuiParagraph(*this);
2668         if (name == "phantom")
2669                 return createGuiPhantom(*this);
2670         if (name == "prefs")
2671                 return createGuiPreferences(*this);
2672         if (name == "print")
2673                 return createGuiPrint(*this);
2674         if (name == "ref")
2675                 return createGuiRef(*this);
2676         if (name == "sendto")
2677                 return createGuiSendTo(*this);
2678         if (name == "space")
2679                 return createGuiTextHSpace(*this);
2680         if (name == "spellchecker")
2681                 return createGuiSpellchecker(*this);
2682         if (name == "symbols")
2683                 return createGuiSymbols(*this);
2684         if (name == "tabular")
2685                 return createGuiTabular(*this);
2686         if (name == "tabularcreate")
2687                 return createGuiTabularCreate(*this);
2688         if (name == "texinfo")
2689                 return createGuiTexInfo(*this);
2690         if (name == "view-source")
2691                 return createGuiViewSource(*this);
2692 #ifdef HAVE_LIBAIKSAURUS
2693         if (name == "thesaurus")
2694                 return createGuiThesaurus(*this);
2695 #endif
2696         if (name == "href")
2697                 return createGuiHyperlink(*this);
2698         if (name == "listings")
2699                 return createGuiListings(*this);
2700         if (name == "toc")
2701                 return createGuiToc(*this);
2702         if (name == "vspace")
2703                 return createGuiVSpace(*this);
2704         if (name == "wrap")
2705                 return createGuiWrap(*this);
2706
2707         return 0;
2708 }
2709
2710
2711 } // namespace frontend
2712 } // namespace lyx
2713
2714 #include "moc_GuiView.cpp"