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 "LayoutBox.h"
  29 #include "Menus.h"
  30 #include "TocModel.h"
  31
  32 #include "qt_helpers.h"
  33
  34 #include "frontends/alert.h"
  35
  36 #include "buffer_funcs.h"
  37 #include "Buffer.h"
  38 #include "BufferList.h"
  39 #include "BufferParams.h"
  40 #include "BufferView.h"
  41 #include "Converter.h"
  42 #include "Cursor.h"
  43 #include "CutAndPaste.h"
  44 #include "Encoding.h"
  45 #include "ErrorList.h"
  46 #include "Format.h"
  47 #include "FuncStatus.h"
  48 #include "FuncRequest.h"
  49 #include "Intl.h"
  50 #include "Layout.h"
  51 #include "Lexer.h"
  52 #include "LyXFunc.h"
  53 #include "LyX.h"
  54 #include "LyXRC.h"
  55 #include "LyXVC.h"
  56 #include "Paragraph.h"
  57 #include "SpellChecker.h"
  58 #include "TextClass.h"
  59 #include "Text.h"
  60 #include "Toolbars.h"
  61 #include "version.h"
  62
  63 #include "support/convert.h"
  64 #include "support/debug.h"
  65 #include "support/ExceptionMessage.h"
  66 #include "support/FileName.h"
  67 #include "support/filetools.h"
  68 #include "support/gettext.h"
  69 #include "support/ForkedCalls.h"
  70 #include "support/lassert.h"
  71 #include "support/lstrings.h"
  72 #include "support/os.h"
  73 #include "support/Package.h"
  74 #include "support/Path.h"
  75 #include "support/Systemcall.h"
  76 #include "support/Timeout.h"
  77
  78 #include <QAction>
  79 #include <QApplication>
  80 #include <QCloseEvent>
  81 #include <QDebug>
  82 #include <QDesktopWidget>
  83 #include <QDragEnterEvent>
  84 #include <QDropEvent>
  85 #include <QList>
  86 #include <QMenu>
  87 #include <QMenuBar>
  88 #include <QPainter>
  89 #include <QPixmap>
  90 #include <QPixmapCache>
  91 #include <QPoint>
  92 #include <QPushButton>
  93 #include <QSettings>
  94 #include <QShowEvent>
  95 #include <QSplitter>
  96 #include <QStackedWidget>
  97 #include <QStatusBar>
  98 #include <QTimer>
  99 #include <QToolBar>
 100 #include <QUrl>
 101 #include <QScrollBar>
 102
 103 #include <boost/bind.hpp>
 104
 105 #ifdef HAVE_SYS_TIME_H
 106 # include <sys/time.h>
 107 #endif
 108 #ifdef HAVE_UNISTD_H
 109 # include <unistd.h>
 110 #endif
 111
 112 using namespace std;
 113 using namespace lyx::support;
 114
 115 namespace lyx {
 116 namespace frontend {
 117
 118 namespace {
 119
 120 class BackgroundWidget : public QWidget
 121 {
 122 public:
 123         BackgroundWidget()
 124         {
 125                 LYXERR(Debug::GUI, "show banner: " << lyxrc.show_banner);
 126                 /// The text to be written on top of the pixmap
 127                 QString const text = lyx_version ?
 128                         qt_("version ") + lyx_version : qt_("unknown version");
 129                 splash_ = getPixmap("images/", "banner", "png");
 130
 131                 QPainter pain(&splash_);
 132                 pain.setPen(QColor(0, 0, 0));
 133                 QFont font;
 134                 // The font used to display the version info
 135                 font.setStyleHint(QFont::SansSerif);
 136                 font.setWeight(QFont::Bold);
 137                 font.setPointSize(int(toqstr(lyxrc.font_sizes[FONT_SIZE_LARGE]).toDouble()));
 138                 pain.setFont(font);
 139                 pain.drawText(260, 15, text);
 140         }
 141
 142         void paintEvent(QPaintEvent *)
 143         {
 144                 int x = (width() - splash_.width()) / 2;
 145                 int y = (height() - splash_.height()) / 2;
 146                 QPainter pain(this);
 147                 pain.drawPixmap(x, y, splash_);
 148         }
 149
 150 private:
 151         QPixmap splash_;
 152 };
 153
 154
 155 /// Toolbar store providing access to individual toolbars by name.
 156 typedef std::map<std::string, GuiToolbar *> ToolbarMap;
 157
 158 typedef boost::shared_ptr<Dialog> DialogPtr;
 159
 160 } // namespace anon
 161
 162
 163 struct GuiView::GuiViewPrivate
 164 {
 165         GuiViewPrivate()
 166                 : current_work_area_(0), current_main_work_area_(0),
 167                 layout_(0), autosave_timeout_(5000),
 168                 in_show_(false)
 169         {
 170                 // hardcode here the platform specific icon size
 171                 smallIconSize = 14;  // scaling problems
 172                 normalIconSize = 20; // ok, default
 173                 bigIconSize = 26;    // better for some math icons
 174
 175                 splitter_ = new QSplitter;
 176                 bg_widget_ = new BackgroundWidget;
 177                 stack_widget_ = new QStackedWidget;
 178                 stack_widget_->addWidget(bg_widget_);
 179                 stack_widget_->addWidget(splitter_);
 180                 setBackground();
 181         }
 182
 183         ~GuiViewPrivate()
 184         {
 185                 delete splitter_;
 186                 delete bg_widget_;
 187                 delete stack_widget_;
 188         }
 189
 190         QMenu * toolBarPopup(GuiView * parent)
 191         {
 192                 // FIXME: translation
 193                 QMenu * menu = new QMenu(parent);
 194                 QActionGroup * iconSizeGroup = new QActionGroup(parent);
 195
 196                 QAction * smallIcons = new QAction(iconSizeGroup);
 197                 smallIcons->setText(qt_("Small-sized icons"));
 198                 smallIcons->setCheckable(true);
 199                 QObject::connect(smallIcons, SIGNAL(triggered()),
 200                         parent, SLOT(smallSizedIcons()));
 201                 menu->addAction(smallIcons);
 202
 203                 QAction * normalIcons = new QAction(iconSizeGroup);
 204                 normalIcons->setText(qt_("Normal-sized icons"));
 205                 normalIcons->setCheckable(true);
 206                 QObject::connect(normalIcons, SIGNAL(triggered()),
 207                         parent, SLOT(normalSizedIcons()));
 208                 menu->addAction(normalIcons);
 209
 210                 QAction * bigIcons = new QAction(iconSizeGroup);
 211                 bigIcons->setText(qt_("Big-sized icons"));
 212                 bigIcons->setCheckable(true);
 213                 QObject::connect(bigIcons, SIGNAL(triggered()),
 214                         parent, SLOT(bigSizedIcons()));
 215                 menu->addAction(bigIcons);
 216
 217                 unsigned int cur = parent->iconSize().width();
 218                 if ( cur == parent->d.smallIconSize)
 219                         smallIcons->setChecked(true);
 220                 else if (cur == parent->d.normalIconSize)
 221                         normalIcons->setChecked(true);
 222                 else if (cur == parent->d.bigIconSize)
 223                         bigIcons->setChecked(true);
 224
 225                 return menu;
 226         }
 227
 228         void setBackground()
 229         {
 230                 stack_widget_->setCurrentWidget(bg_widget_);
 231                 bg_widget_->setUpdatesEnabled(true);
 232         }
 233
 234         TabWorkArea * tabWorkArea(int i)
 235         {
 236                 return dynamic_cast<TabWorkArea *>(splitter_->widget(i));
 237         }
 238
 239         TabWorkArea * currentTabWorkArea()
 240         {
 241                 if (splitter_->count() == 1)
 242                         // The first TabWorkArea is always the first one, if any.
 243                         return tabWorkArea(0);
 244
 245                 for (int i = 0; i != splitter_->count(); ++i) {
 246                         TabWorkArea * twa = tabWorkArea(i);
 247                         if (current_main_work_area_ == twa->currentWorkArea())
 248                                 return twa;
 249                 }
 250
 251                 // None has the focus so we just take the first one.
 252                 return tabWorkArea(0);
 253         }
 254
 255 public:
 256         GuiWorkArea * current_work_area_;
 257         GuiWorkArea * current_main_work_area_;
 258         QSplitter * splitter_;
 259         QStackedWidget * stack_widget_;
 260         BackgroundWidget * bg_widget_;
 261         /// view's toolbars
 262         ToolbarMap toolbars_;
 263         /// The main layout box.
 264         /**
 265          * \warning Don't Delete! The layout box is actually owned by
 266          * whichever toolbar contains it. All the GuiView class needs is a
 267          * means of accessing it.
 268          *
 269          * FIXME: replace that with a proper model so that we are not limited
 270          * to only one dialog.
 271          */
 272         LayoutBox * layout_;
 273
 274         ///
 275         map<string, Inset *> open_insets_;
 276
 277         ///
 278         map<string, DialogPtr> dialogs_;
 279
 280         unsigned int smallIconSize;
 281         unsigned int normalIconSize;
 282         unsigned int bigIconSize;
 283         ///
 284         QTimer statusbar_timer_;
 285         /// auto-saving of buffers
 286         Timeout autosave_timeout_;
 287         /// flag against a race condition due to multiclicks, see bug #1119
 288         bool in_show_;
 289
 290         ///
 291         TocModels toc_models_;
 292 };
 293
 294
 295 GuiView::GuiView(int id)
 296         : d(*new GuiViewPrivate), id_(id), closing_(false)
 297 {
 298         // GuiToolbars *must* be initialised before the menu bar.
 299         normalSizedIcons(); // at least on Mac the default is 32 otherwise, which is huge
 300         constructToolbars();
 301
 302         // set ourself as the current view. This is needed for the menu bar
 303         // filling, at least for the static special menu item on Mac. Otherwise
 304         // they are greyed out.
 305         theLyXFunc().setLyXView(this);
 306
 307         // Fill up the menu bar.
 308         guiApp->menus().fillMenuBar(menuBar(), this, true);
 309
 310         setCentralWidget(d.stack_widget_);
 311
 312         // Start autosave timer
 313         if (lyxrc.autosave) {
 314                 d.autosave_timeout_.timeout.connect(boost::bind(&GuiView::autoSave, this));
 315                 d.autosave_timeout_.setTimeout(lyxrc.autosave * 1000);
 316                 d.autosave_timeout_.start();
 317         }
 318         connect(&d.statusbar_timer_, SIGNAL(timeout()),
 319                 this, SLOT(clearMessage()));
 320
 321         // We don't want to keep the window in memory if it is closed.
 322         setAttribute(Qt::WA_DeleteOnClose, true);
 323
 324 #if (!defined(Q_WS_WIN) && !defined(Q_WS_MACX))
 325         // assign an icon to main form. We do not do it under Qt/Win or Qt/Mac,
 326         // since the icon is provided in the application bundle.
 327         setWindowIcon(getPixmap("images/", "lyx", "png"));
 328 #endif
 329
 330         // For Drag&Drop.
 331         setAcceptDrops(true);
 332
 333         statusBar()->setSizeGripEnabled(true);
 334
 335         // Forbid too small unresizable window because it can happen
 336         // with some window manager under X11.
 337         setMinimumSize(300, 200);
 338
 339         if (lyxrc.allow_geometry_session) {
 340                 // Now take care of session management.
 341                 if (restoreLayout())
 342                         return;
 343         }
 344
 345         // no session handling, default to a sane size.
 346         setGeometry(50, 50, 690, 510);
 347         initToolbars();
 348
 349         // clear session data if any.
 350         QSettings settings;
 351         settings.remove("views");
 352 }
 353
 354
 355 GuiView::~GuiView()
 356 {
 357         delete &d;
 358 }
 359
 360
 361 void GuiView::saveLayout() const
 362 {
 363         QSettings settings;
 364         settings.beginGroup("views");
 365         settings.beginGroup(QString::number(id_));
 366 #ifdef Q_WS_X11
 367         settings.setValue("pos", pos());
 368         settings.setValue("size", size());
 369 #else
 370         settings.setValue("geometry", saveGeometry());
 371 #endif
 372         settings.setValue("layout", saveState(0));
 373         settings.setValue("icon_size", iconSize());
 374 }
 375
 376
 377 bool GuiView::restoreLayout()
 378 {
 379         QSettings settings;
 380         settings.beginGroup("views");
 381         settings.beginGroup(QString::number(id_));
 382         QString const icon_key = "icon_size";
 383         if (!settings.contains(icon_key))
 384                 return false;
 385
 386         //code below is skipped when when ~/.config/LyX is (re)created
 387         setIconSize(settings.value(icon_key).toSize());
 388 #ifdef Q_WS_X11
 389         QPoint pos = settings.value("pos", QPoint(50, 50)).toPoint();
 390         QSize size = settings.value("size", QSize(690, 510)).toSize();
 391         resize(size);
 392         move(pos);
 393 #else
 394         // Work-around for bug #6034: the window ends up in an undetermined
 395         // state when trying to restore a maximized window when it is
 396         // already maximized.
 397         if (!(windowState() & Qt::WindowMaximized))
 398                 if (!restoreGeometry(settings.value("geometry").toByteArray()))
 399                         setGeometry(50, 50, 690, 510);
 400 #endif
 401         // Make sure layout is correctly oriented.
 402         setLayoutDirection(qApp->layoutDirection());
 403
 404         // Allow the toc and view-source dock widget to be restored if needed.
 405         Dialog * dialog;
 406         if ((dialog = findOrBuild("toc", true)))
 407                 // see bug 5082. At least setup title and enabled state.
 408                 // Visibility will be adjusted by restoreState below.
 409                 dialog->prepareView();
 410         if ((dialog = findOrBuild("view-source", true)))
 411                 dialog->prepareView();
 412
 413         if (!restoreState(settings.value("layout").toByteArray(), 0))
 414                 initToolbars();
 415         updateDialogs();
 416         return true;
 417 }
 418
 419
 420 GuiToolbar * GuiView::toolbar(string const & name)
 421 {
 422         ToolbarMap::iterator it = d.toolbars_.find(name);
 423         if (it != d.toolbars_.end())
 424                 return it->second;
 425
 426         LYXERR(Debug::GUI, "Toolbar::display: no toolbar named " << name);
 427         message(bformat(_("Unknown toolbar \"%1$s\""), from_utf8(name)));
 428         return 0;
 429 }
 430
 431
 432 void GuiView::constructToolbars()
 433 {
 434         ToolbarMap::iterator it = d.toolbars_.begin();
 435         for (; it != d.toolbars_.end(); ++it)
 436                 delete it->second;
 437         d.toolbars_.clear();
 438
 439         // I don't like doing this here, but the standard toolbar
 440         // destroys this object when it's destroyed itself (vfr)
 441         d.layout_ = new LayoutBox(*this);
 442         d.stack_widget_->addWidget(d.layout_);
 443         d.layout_->move(0,0);
 444
 445         // extracts the toolbars from the backend
 446         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 447         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 448         for (; cit != end; ++cit)
 449                 d.toolbars_[cit->name] =  new GuiToolbar(*cit, *this);
 450 }
 451
 452
 453 void GuiView::initToolbars()
 454 {
 455         // extracts the toolbars from the backend
 456         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 457         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 458         for (; cit != end; ++cit) {
 459                 GuiToolbar * tb = toolbar(cit->name);
 460                 if (!tb)
 461                         continue;
 462                 int const visibility = guiApp->toolbars().defaultVisibility(cit->name);
 463                 bool newline = true;
 464                 tb->setVisible(false);
 465                 tb->setVisibility(visibility);
 466
 467                 if (visibility & Toolbars::TOP) {
 468                         if (newline)
 469                                 addToolBarBreak(Qt::TopToolBarArea);
 470                         addToolBar(Qt::TopToolBarArea, tb);
 471                 }
 472
 473                 if (visibility & Toolbars::BOTTOM) {
 474                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 475 #if (QT_VERSION >= 0x040202)
 476                         addToolBarBreak(Qt::BottomToolBarArea);
 477 #endif
 478                         addToolBar(Qt::BottomToolBarArea, tb);
 479                 }
 480
 481                 if (visibility & Toolbars::LEFT) {
 482                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 483 #if (QT_VERSION >= 0x040202)
 484                         addToolBarBreak(Qt::LeftToolBarArea);
 485 #endif
 486                         addToolBar(Qt::LeftToolBarArea, tb);
 487                 }
 488
 489                 if (visibility & Toolbars::RIGHT) {
 490                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 491 #if (QT_VERSION >= 0x040202)
 492                         addToolBarBreak(Qt::RightToolBarArea);
 493 #endif
 494                         addToolBar(Qt::RightToolBarArea, tb);
 495                 }
 496
 497                 if (visibility & Toolbars::ON)
 498                         tb->setVisible(true);
 499         }
 500 }
 501
 502
 503 TocModels & GuiView::tocModels()
 504 {
 505         return d.toc_models_;
 506 }
 507
 508
 509 void GuiView::setFocus()
 510 {
 511         LYXERR(Debug::DEBUG, "GuiView::setFocus()" << this);
 512         // Make sure LyXFunc points to the correct view.
 513         guiApp->setCurrentView(this);
 514         theLyXFunc().setLyXView(this);
 515         QMainWindow::setFocus();
 516         if (d.current_work_area_)
 517                 d.current_work_area_->setFocus();
 518 }
 519
 520
 521 QMenu * GuiView::createPopupMenu()
 522 {
 523         return d.toolBarPopup(this);
 524 }
 525
 526
 527 void GuiView::showEvent(QShowEvent * e)
 528 {
 529         LYXERR(Debug::GUI, "Passed Geometry "
 530                 << size().height() << "x" << size().width()
 531                 << "+" << pos().x() << "+" << pos().y());
 532
 533         if (d.splitter_->count() == 0)
 534                 // No work area, switch to the background widget.
 535                 d.setBackground();
 536
 537         QMainWindow::showEvent(e);
 538 }
 539
 540
 541 /** Destroy only all tabbed WorkAreas. Destruction of other WorkAreas
 542  ** is responsibility of the container (e.g., dialog)
 543  **/
 544 void GuiView::closeEvent(QCloseEvent * close_event)
 545 {
 546         LYXERR(Debug::DEBUG, "GuiView::closeEvent()");
 547         closing_ = true;
 548
 549         writeSession();
 550
 551         // it can happen that this event arrives without selecting the view,
 552         // e.g. when clicking the close button on a background window.
 553         setFocus();
 554         if (!closeWorkAreaAll()) {
 555                 closing_ = false;
 556                 close_event->ignore();
 557                 return;
 558         }
 559
 560         // Make sure that nothing will use this to be closed View.
 561         guiApp->unregisterView(this);
 562
 563         if (isFullScreen()) {
 564                 // Switch off fullscreen before closing.
 565                 toggleFullScreen();
 566                 updateDialogs();
 567         }
 568
 569         // Make sure the timer time out will not trigger a statusbar update.
 570         d.statusbar_timer_.stop();
 571
 572         // Saving fullscreen requires additional tweaks in the toolbar code.
 573         // It wouldn't also work under linux natively.
 574         if (lyxrc.allow_geometry_session) {
 575                 // Save this window geometry and layout.
 576                 saveLayout();
 577                 // Then the toolbar private states.
 578                 ToolbarMap::iterator end = d.toolbars_.end();
 579                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
 580                         it->second->saveSession();
 581                 // Now take care of all other dialogs:
 582                 map<string, DialogPtr>::const_iterator it = d.dialogs_.begin();
 583                 for (; it!= d.dialogs_.end(); ++it)
 584                         it->second->saveSession();
 585         }
 586
 587         close_event->accept();
 588 }
 589
 590
 591 void GuiView::dragEnterEvent(QDragEnterEvent * event)
 592 {
 593         if (event->mimeData()->hasUrls())
 594                 event->accept();
 595         /// \todo Ask lyx-devel is this is enough:
 596         /// if (event->mimeData()->hasFormat("text/plain"))
 597         ///     event->acceptProposedAction();
 598 }
 599
 600
 601 void GuiView::dropEvent(QDropEvent * event)
 602 {
 603         QList<QUrl> files = event->mimeData()->urls();
 604         if (files.isEmpty())
 605                 return;
 606
 607         LYXERR(Debug::GUI, "GuiView::dropEvent: got URLs!");
 608         for (int i = 0; i != files.size(); ++i) {
 609                 string const file = os::internal_path(fromqstr(
 610                         files.at(i).toLocalFile()));
 611                 if (!file.empty()) {
 612                         // Asynchronously post the event. DropEvent usually come
 613                         // from the BufferView. But reloading a file might close
 614                         // the BufferView from within its own event handler.
 615                         guiApp->dispatchDelayed(FuncRequest(LFUN_FILE_OPEN, file));
 616                         event->accept();
 617                 }
 618         }
 619 }
 620
 621
 622 void GuiView::message(docstring const & str)
 623 {
 624         if (ForkedProcess::iAmAChild())
 625                 return;
 626
 627         statusBar()->showMessage(toqstr(str));
 628         d.statusbar_timer_.stop();
 629         d.statusbar_timer_.start(3000);
 630 }
 631
 632
 633 void GuiView::smallSizedIcons()
 634 {
 635         setIconSize(QSize(d.smallIconSize, d.smallIconSize));
 636 }
 637
 638
 639 void GuiView::normalSizedIcons()
 640 {
 641         setIconSize(QSize(d.normalIconSize, d.normalIconSize));
 642 }
 643
 644
 645 void GuiView::bigSizedIcons()
 646 {
 647         setIconSize(QSize(d.bigIconSize, d.bigIconSize));
 648 }
 649
 650
 651 void GuiView::clearMessage()
 652 {
 653         if (!hasFocus())
 654                 return;
 655         theLyXFunc().setLyXView(this);
 656         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 657         d.statusbar_timer_.stop();
 658 }
 659
 660
 661 void GuiView::updateWindowTitle(GuiWorkArea * wa)
 662 {
 663         if (wa != d.current_work_area_)
 664                 return;
 665         setWindowTitle(qt_("LyX: ") + wa->windowTitle());
 666         setWindowIconText(wa->windowIconText());
 667 }
 668
 669
 670 void GuiView::on_currentWorkAreaChanged(GuiWorkArea * wa)
 671 {
 672         disconnectBuffer();
 673         disconnectBufferView();
 674         connectBufferView(wa->bufferView());
 675         connectBuffer(wa->bufferView().buffer());
 676         d.current_work_area_ = wa;
 677         QObject::connect(wa, SIGNAL(titleChanged(GuiWorkArea *)),
 678                 this, SLOT(updateWindowTitle(GuiWorkArea *)));
 679         updateWindowTitle(wa);
 680
 681         structureChanged();
 682
 683         // The document settings needs to be reinitialised.
 684         updateDialog("document", "");
 685
 686         // Buffer-dependent dialogs must be updated. This is done here because
 687         // some dialogs require buffer()->text.
 688         updateDialogs();
 689 }
 690
 691
 692 void GuiView::on_lastWorkAreaRemoved()
 693 {
 694         if (closing_)
 695                 // We already are in a close event. Nothing more to do.
 696                 return;
 697
 698         if (d.splitter_->count() > 1)
 699                 // We have a splitter so don't close anything.
 700                 return;
 701
 702         // Reset and updates the dialogs.
 703         d.toc_models_.reset(0);
 704         updateDialog("document", "");
 705         updateDialogs();
 706
 707         resetWindowTitleAndIconText();
 708
 709         if (lyxrc.open_buffers_in_tabs)
 710                 // Nothing more to do, the window should stay open.
 711                 return;
 712
 713         if (guiApp->viewIds().size() > 1) {
 714                 close();
 715                 return;
 716         }
 717
 718 #ifdef Q_WS_MACX
 719         // On Mac we also close the last window because the application stay
 720         // resident in memory. On other platforms we don't close the last
 721         // window because this would quit the application.
 722         close();
 723 #endif
 724 }
 725
 726
 727 void GuiView::updateStatusBar()
 728 {
 729         // let the user see the explicit message
 730         if (d.statusbar_timer_.isActive())
 731                 return;
 732
 733         theLyXFunc().setLyXView(this);
 734         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 735 }
 736
 737
 738 bool GuiView::hasFocus() const
 739 {
 740         return qApp->activeWindow() == this;
 741 }
 742
 743
 744 bool GuiView::event(QEvent * e)
 745 {
 746         switch (e->type())
 747         {
 748         // Useful debug code:
 749         //case QEvent::ActivationChange:
 750         //case QEvent::WindowDeactivate:
 751         //case QEvent::Paint:
 752         //case QEvent::Enter:
 753         //case QEvent::Leave:
 754         //case QEvent::HoverEnter:
 755         //case QEvent::HoverLeave:
 756         //case QEvent::HoverMove:
 757         //case QEvent::StatusTip:
 758         //case QEvent::DragEnter:
 759         //case QEvent::DragLeave:
 760         //case QEvent::Drop:
 761         //      break;
 762
 763         case QEvent::WindowActivate: {
 764                 if (this == guiApp->currentView()) {
 765                         setFocus();
 766                         return QMainWindow::event(e);
 767                 }
 768                 guiApp->setCurrentView(this);
 769                 theLyXFunc().setLyXView(this);
 770                 if (d.current_work_area_) {
 771                         BufferView & bv = d.current_work_area_->bufferView();
 772                         connectBufferView(bv);
 773                         connectBuffer(bv.buffer());
 774                         // The document structure, name and dialogs might have
 775                         // changed in another view.
 776                         structureChanged();
 777                         // The document settings needs to be reinitialised.
 778                         updateDialog("document", "");
 779                         updateDialogs();
 780                 } else {
 781                         resetWindowTitleAndIconText();
 782                 }
 783                 setFocus();
 784                 return QMainWindow::event(e);
 785         }
 786
 787         case QEvent::ShortcutOverride: {
 788
 789 // See bug 4888
 790 #if (!defined Q_WS_X11) || (QT_VERSION >= 0x040500)
 791                 if (isFullScreen() && menuBar()->isHidden()) {
 792                         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 793                         // FIXME: we should also try to detect special LyX shortcut such as
 794                         // Alt-P and Alt-M. Right now there is a hack in
 795                         // GuiWorkArea::processKeySym() that hides again the menubar for
 796                         // those cases.
 797                         if (ke->modifiers() & Qt::AltModifier && ke->key() != Qt::Key_Alt) {
 798                                 menuBar()->show();
 799                                 return QMainWindow::event(e);
 800                         }
 801                 }
 802 #endif
 803
 804                 if (d.current_work_area_)
 805                         // Nothing special to do.
 806                         return QMainWindow::event(e);
 807
 808                 QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 809                 // Let Qt handle menu access and the Tab keys to navigate keys to navigate
 810                 // between controls.
 811                 if (ke->modifiers() & Qt::AltModifier || ke->key() == Qt::Key_Tab
 812                         || ke->key() == Qt::Key_Backtab)
 813                         return QMainWindow::event(e);
 814
 815                 // Allow processing of shortcuts that are allowed even when no Buffer
 816                 // is viewed.
 817                 theLyXFunc().setLyXView(this);
 818                 KeySymbol sym;
 819                 setKeySymbol(&sym, ke);
 820                 theLyXFunc().processKeySym(sym, q_key_state(ke->modifiers()));
 821                 e->accept();
 822                 return true;
 823         }
 824
 825         default:
 826                 return QMainWindow::event(e);
 827         }
 828 }
 829
 830 void GuiView::resetWindowTitleAndIconText()
 831 {
 832     setWindowTitle(qt_("LyX"));
 833     setWindowIconText(qt_("LyX"));
 834 }
 835
 836 bool GuiView::focusNextPrevChild(bool /*next*/)
 837 {
 838         setFocus();
 839         return true;
 840 }
 841
 842
 843 void GuiView::setBusy(bool busy)
 844 {
 845         if (d.current_work_area_) {
 846                 d.current_work_area_->setUpdatesEnabled(!busy);
 847                 if (busy)
 848                         d.current_work_area_->stopBlinkingCursor();
 849                 else
 850                         d.current_work_area_->startBlinkingCursor();
 851         }
 852
 853         if (busy)
 854                 QApplication::setOverrideCursor(Qt::WaitCursor);
 855         else
 856                 QApplication::restoreOverrideCursor();
 857 }
 858
 859
 860 GuiWorkArea * GuiView::workArea(Buffer & buffer)
 861 {
 862         if (currentWorkArea()
 863             && &currentWorkArea()->bufferView().buffer() == &buffer)
 864                 return (GuiWorkArea *) currentWorkArea();
 865         if (TabWorkArea * twa = d.currentTabWorkArea())
 866                 return twa->workArea(buffer);
 867         return 0;
 868 }
 869
 870
 871 GuiWorkArea * GuiView::addWorkArea(Buffer & buffer)
 872 {
 873         // Automatically create a TabWorkArea if there are none yet.
 874         TabWorkArea * tab_widget = d.splitter_->count()
 875                 ? d.currentTabWorkArea() : addTabWorkArea();
 876         return tab_widget->addWorkArea(buffer, *this);
 877 }
 878
 879
 880 TabWorkArea * GuiView::addTabWorkArea()
 881 {
 882         TabWorkArea * twa = new TabWorkArea;
 883         QObject::connect(twa, SIGNAL(currentWorkAreaChanged(GuiWorkArea *)),
 884                 this, SLOT(on_currentWorkAreaChanged(GuiWorkArea *)));
 885         QObject::connect(twa, SIGNAL(lastWorkAreaRemoved()),
 886                          this, SLOT(on_lastWorkAreaRemoved()));
 887
 888         d.splitter_->addWidget(twa);
 889         d.stack_widget_->setCurrentWidget(d.splitter_);
 890         return twa;
 891 }
 892
 893
 894 GuiWorkArea const * GuiView::currentWorkArea() const
 895 {
 896         return d.current_work_area_;
 897 }
 898
 899
 900 GuiWorkArea * GuiView::currentWorkArea()
 901 {
 902         return d.current_work_area_;
 903 }
 904
 905
 906 GuiWorkArea const * GuiView::currentMainWorkArea() const
 907 {
 908         if (d.currentTabWorkArea() == NULL)
 909                 return NULL;
 910         return d.currentTabWorkArea()->currentWorkArea();
 911 }
 912
 913
 914 GuiWorkArea * GuiView::currentMainWorkArea()
 915 {
 916         if (d.currentTabWorkArea() == NULL)
 917                 return NULL;
 918         return d.currentTabWorkArea()->currentWorkArea();
 919 }
 920
 921
 922 void GuiView::setCurrentWorkArea(GuiWorkArea * wa)
 923 {
 924         LYXERR(Debug::DEBUG, "Setting current wa: " << wa << endl);
 925         if (wa == NULL) {
 926                 d.current_work_area_ = NULL;
 927                 d.setBackground();
 928                 return;
 929         }
 930         GuiWorkArea * old_gwa = theGuiApp()->currentView()->currentWorkArea();
 931         if (old_gwa == wa)
 932                 return;
 933
 934         if (currentBufferView())
 935                 cap::saveSelection(currentBufferView()->cursor());
 936
 937         theGuiApp()->setCurrentView(this);
 938         d.current_work_area_ = wa;
 939         for (int i = 0; i != d.splitter_->count(); ++i) {
 940                 if (d.tabWorkArea(i)->setCurrentWorkArea(wa)) {
 941                         //if (d.current_main_work_area_)
 942                         //      d.current_main_work_area_->setFrameStyle(QFrame::NoFrame);
 943                         d.current_main_work_area_ = wa;
 944                         //d.current_main_work_area_->setFrameStyle(QFrame::Box | QFrame::Plain);
 945                         //d.current_main_work_area_->setLineWidth(2);
 946                         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() << ", Current main wa: " << currentMainWorkArea());
 947                         return;
 948                 }
 949         }
 950         LYXERR(Debug::DEBUG, "This is not a tabbed wa");
 951         on_currentWorkAreaChanged(wa);
 952         BufferView & bv = wa->bufferView();
 953         bv.cursor().fixIfBroken();
 954         bv.updateMetrics();
 955         wa->setUpdatesEnabled(true);
 956         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() << ", Current main wa: " << currentMainWorkArea());
 957 }
 958
 959
 960 void GuiView::removeWorkArea(GuiWorkArea * wa)
 961 {
 962         LASSERT(wa, return);
 963         if (wa == d.current_work_area_) {
 964                 disconnectBuffer();
 965                 disconnectBufferView();
 966                 d.current_work_area_ = 0;
 967                 d.current_main_work_area_ = 0;
 968         }
 969
 970         bool found_twa = false;
 971         for (int i = 0; i != d.splitter_->count(); ++i) {
 972                 TabWorkArea * twa = d.tabWorkArea(i);
 973                 if (twa->removeWorkArea(wa)) {
 974                         // Found in this tab group, and deleted the GuiWorkArea.
 975                         found_twa = true;
 976                         if (twa->count() != 0) {
 977                                 if (d.current_work_area_ == 0)
 978                                         // This means that we are closing the current GuiWorkArea, so
 979                                         // switch to the next GuiWorkArea in the found TabWorkArea.
 980                                         setCurrentWorkArea(twa->currentWorkArea());
 981                         } else {
 982                                 // No more WorkAreas in this tab group, so delete it.
 983                                 delete twa;
 984                         }
 985                         break;
 986                 }
 987         }
 988
 989         // It is not a tabbed work area (i.e., the search work area), so it
 990         // should be deleted by other means.
 991         LASSERT(found_twa, /* */);
 992
 993         if (d.current_work_area_ == 0) {
 994                 if (d.splitter_->count() != 0) {
 995                         TabWorkArea * twa = d.currentTabWorkArea();
 996                         setCurrentWorkArea(twa->currentWorkArea());
 997                 } else {
 998                         // No more work areas, switch to the background widget.
 999                         setCurrentWorkArea(0);
1000                 }
1001         }
1002 }
1003
1004
1005 LayoutBox * GuiView::getLayoutDialog() const
1006 {
1007         return d.layout_;
1008 }
1009
1010
1011 void GuiView::updateLayoutList()
1012 {
1013         if (d.layout_)
1014                 d.layout_->updateContents(false);
1015 }
1016
1017
1018 void GuiView::updateToolbars()
1019 {
1020         ToolbarMap::iterator end = d.toolbars_.end();
1021         if (d.current_work_area_) {
1022                 bool const math =
1023                         d.current_work_area_->bufferView().cursor().inMathed();
1024                 bool const table =
1025                         lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
1026                 bool const review =
1027                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
1028                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onoff(true);
1029                 bool const mathmacrotemplate =
1030                         lyx::getStatus(FuncRequest(LFUN_IN_MATHMACROTEMPLATE)).enabled();
1031
1032                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1033                         it->second->update(math, table, review, mathmacrotemplate);
1034         } else
1035                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1036                         it->second->update(false, false, false, false);
1037 }
1038
1039
1040 void GuiView::setBuffer(Buffer * newBuffer)
1041 {
1042         LYXERR(Debug::DEBUG, "Setting buffer: " << newBuffer << std::endl);
1043         LASSERT(newBuffer, return);
1044         setBusy(true);
1045
1046         GuiWorkArea * wa = workArea(*newBuffer);
1047         if (wa == 0) {
1048                 newBuffer->masterBuffer()->updateLabels();
1049                 wa = addWorkArea(*newBuffer);
1050         } else {
1051                 //Disconnect the old buffer...there's no new one.
1052                 disconnectBuffer();
1053         }
1054         connectBuffer(*newBuffer);
1055         connectBufferView(wa->bufferView());
1056         setCurrentWorkArea(wa);
1057
1058         setBusy(false);
1059 }
1060
1061
1062 void GuiView::connectBuffer(Buffer & buf)
1063 {
1064         buf.setGuiDelegate(this);
1065 }
1066
1067
1068 void GuiView::disconnectBuffer()
1069 {
1070         if (d.current_work_area_)
1071                 d.current_work_area_->bufferView().buffer().setGuiDelegate(0);
1072 }
1073
1074
1075 void GuiView::connectBufferView(BufferView & bv)
1076 {
1077         bv.setGuiDelegate(this);
1078 }
1079
1080
1081 void GuiView::disconnectBufferView()
1082 {
1083         if (d.current_work_area_)
1084                 d.current_work_area_->bufferView().setGuiDelegate(0);
1085 }
1086
1087
1088 void GuiView::errors(string const & error_type, bool from_master)
1089 {
1090         ErrorList & el = from_master ?
1091                 documentBufferView()->buffer().masterBuffer()->errorList(error_type)
1092                 : documentBufferView()->buffer().errorList(error_type);
1093         string data = error_type;
1094         if (from_master)
1095                 data = "from_master|" + error_type;
1096         if (!el.empty())
1097                 showDialog("errorlist", data);
1098 }
1099
1100
1101 void GuiView::updateTocItem(std::string const & type, DocIterator const & dit)
1102 {
1103         d.toc_models_.updateItem(toqstr(type), dit);
1104 }
1105
1106
1107 void GuiView::structureChanged()
1108 {
1109         d.toc_models_.reset(documentBufferView());
1110         // Navigator needs more than a simple update in this case. It needs to be
1111         // rebuilt.
1112         updateDialog("toc", "");
1113 }
1114
1115
1116 void GuiView::updateDialog(string const & name, string const & data)
1117 {
1118         if (!isDialogVisible(name))
1119                 return;
1120
1121         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
1122         if (it == d.dialogs_.end())
1123                 return;
1124
1125         Dialog * const dialog = it->second.get();
1126         if (dialog->isVisibleView())
1127                 dialog->initialiseParams(data);
1128 }
1129
1130
1131 BufferView * GuiView::documentBufferView()
1132 {
1133         return currentMainWorkArea()
1134                 ? &currentMainWorkArea()->bufferView()
1135                 : 0;
1136 }
1137
1138
1139 BufferView const * GuiView::documentBufferView() const
1140 {
1141         return currentMainWorkArea()
1142                 ? &currentMainWorkArea()->bufferView()
1143                 : 0;
1144 }
1145
1146
1147 BufferView * GuiView::currentBufferView()
1148 {
1149         return d.current_work_area_ ? &d.current_work_area_->bufferView() : 0;
1150 }
1151
1152
1153 BufferView const * GuiView::currentBufferView() const
1154 {
1155         return d.current_work_area_ ? &d.current_work_area_->bufferView() : 0;
1156 }
1157
1158
1159 void GuiView::autoSave()
1160 {
1161         LYXERR(Debug::INFO, "Running autoSave()");
1162
1163         if (documentBufferView())
1164                 documentBufferView()->buffer().autoSave();
1165 }
1166
1167
1168 void GuiView::resetAutosaveTimers()
1169 {
1170         if (lyxrc.autosave)
1171                 d.autosave_timeout_.restart();
1172 }
1173
1174
1175 bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1176 {
1177         bool enable = true;
1178         Buffer * buf = currentBufferView()
1179                 ? &currentBufferView()->buffer() : 0;
1180         Buffer * doc_buffer = documentBufferView()
1181                 ? &(documentBufferView()->buffer()) : 0;
1182
1183         if (cmd.origin == FuncRequest::TOC) {
1184                 GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
1185                 FuncStatus fs;
1186                 if (toc->getStatus(documentBufferView()->cursor(), cmd, fs))
1187                         flag |= fs;
1188                 else
1189                         flag.setEnabled(false);
1190                 return true;
1191         }
1192
1193         switch(cmd.action) {
1194         case LFUN_BUFFER_IMPORT:
1195                 break;
1196
1197         case LFUN_BUFFER_RELOAD:
1198                 enable = doc_buffer && !doc_buffer->isUnnamed()
1199                         && doc_buffer->fileName().exists()
1200                         && (!doc_buffer->isClean()
1201                            || doc_buffer->isExternallyModified(Buffer::timestamp_method));
1202                 break;
1203
1204         case LFUN_BUFFER_WRITE:
1205                 enable = doc_buffer && (doc_buffer->isUnnamed() || !doc_buffer->isClean());
1206                 break;
1207
1208         case LFUN_BUFFER_WRITE_AS:
1209                 enable = doc_buffer;
1210                 break;
1211
1212         case LFUN_BUFFER_CLOSE_ALL:
1213                 enable = theBufferList().last() != theBufferList().first();
1214                 break;
1215
1216         case LFUN_SPLIT_VIEW:
1217                 if (cmd.getArg(0) == "vertical")
1218                         enable = doc_buffer && (d.splitter_->count() == 1 ||
1219                                          d.splitter_->orientation() == Qt::Vertical);
1220                 else
1221                         enable = doc_buffer && (d.splitter_->count() == 1 ||
1222                                          d.splitter_->orientation() == Qt::Horizontal);
1223                 break;
1224
1225         case LFUN_CLOSE_TAB_GROUP:
1226                 enable = d.currentTabWorkArea();
1227                 break;
1228
1229         case LFUN_TOOLBAR_TOGGLE:
1230                 if (GuiToolbar * t = toolbar(cmd.getArg(0)))
1231                         flag.setOnOff(t->isVisible());
1232                 break;
1233
1234         case LFUN_UI_TOGGLE:
1235                 flag.setOnOff(isFullScreen());
1236                 break;
1237
1238         case LFUN_DIALOG_DISCONNECT_INSET:
1239                 break;
1240
1241         case LFUN_DIALOG_HIDE:
1242                 // FIXME: should we check if the dialog is shown?
1243                 break;
1244
1245         case LFUN_DIALOG_TOGGLE:
1246                 flag.setOnOff(isDialogVisible(cmd.getArg(0)));
1247                 // fall through to set "enable"
1248         case LFUN_DIALOG_SHOW: {
1249                 string const name = cmd.getArg(0);
1250                 if (!doc_buffer)
1251                         enable = name == "aboutlyx"
1252                                 || name == "file" //FIXME: should be removed.
1253                                 || name == "prefs"
1254                                 || name == "texinfo";
1255                 else if (name == "print")
1256                         enable = doc_buffer->isExportable("dvi")
1257                                 && lyxrc.print_command != "none";
1258                 else if (name == "character" || name == "symbols") {
1259                         if (!buf || buf->isReadonly()
1260                                 || !currentBufferView()->cursor().inTexted())
1261                                 enable = false;
1262                         else {
1263                                 // FIXME we should consider passthru
1264                                 // paragraphs too.
1265                                 Inset const & in = currentBufferView()->cursor().inset();
1266                                 enable = !in.getLayout().isPassThru();
1267                         }
1268                 }
1269                 else if (name == "latexlog")
1270                         enable = FileName(doc_buffer->logName()).isReadableFile();
1271                 else if (name == "spellchecker")
1272                         enable = theSpellChecker() && !doc_buffer->isReadonly();
1273                 else if (name == "vclog")
1274                         enable = doc_buffer->lyxvc().inUse();
1275                 break;
1276         }
1277
1278         case LFUN_DIALOG_UPDATE: {
1279                 string const name = cmd.getArg(0);
1280                 if (!buf)
1281                         enable = name == "prefs";
1282                 break;
1283         }
1284
1285         case LFUN_COMMAND_EXECUTE:
1286         case LFUN_MESSAGE:
1287         case LFUN_MENU_OPEN:
1288                 // Nothing to check.
1289                 break;
1290
1291         case LFUN_INSET_APPLY: {
1292                 string const name = cmd.getArg(0);
1293                 Inset * inset = getOpenInset(name);
1294                 if (inset) {
1295                         FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1296                         FuncStatus fs;
1297                         if (!inset->getStatus(currentBufferView()->cursor(), fr, fs)) {
1298                                 // Every inset is supposed to handle this
1299                                 LASSERT(false, break);
1300                         }
1301                         flag |= fs;
1302                 } else {
1303                         FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1304                         flag |= lyx::getStatus(fr);
1305                 }
1306                 enable = flag.enabled();
1307                 break;
1308         }
1309
1310         case LFUN_COMPLETION_INLINE:
1311                 if (!d.current_work_area_
1312                     || !d.current_work_area_->completer().inlinePossible(
1313                         currentBufferView()->cursor()))
1314                     enable = false;
1315                 break;
1316
1317         case LFUN_COMPLETION_POPUP:
1318                 if (!d.current_work_area_
1319                     || !d.current_work_area_->completer().popupPossible(
1320                         currentBufferView()->cursor()))
1321                     enable = false;
1322                 break;
1323
1324         case LFUN_COMPLETION_COMPLETE:
1325                 if (!d.current_work_area_
1326                         || !d.current_work_area_->completer().inlinePossible(
1327                         currentBufferView()->cursor()))
1328                     enable = false;
1329                 break;
1330
1331         case LFUN_COMPLETION_ACCEPT:
1332                 if (!d.current_work_area_
1333                     || (!d.current_work_area_->completer().popupVisible()
1334                         && !d.current_work_area_->completer().inlineVisible()
1335                         && !d.current_work_area_->completer().completionAvailable()))
1336                         enable = false;
1337                 break;
1338
1339         case LFUN_COMPLETION_CANCEL:
1340                 if (!d.current_work_area_
1341                     || (!d.current_work_area_->completer().popupVisible()
1342                         && !d.current_work_area_->completer().inlineVisible()))
1343                         enable = false;
1344                 break;
1345
1346         case LFUN_BUFFER_ZOOM_OUT:
1347                 enable = doc_buffer && lyxrc.zoom > 10;
1348                 break;
1349
1350         case LFUN_BUFFER_ZOOM_IN:
1351                 enable = doc_buffer;
1352                 break;
1353
1354         case LFUN_BUFFER_NEXT:
1355         case LFUN_BUFFER_PREVIOUS:
1356                 // FIXME: should we check is there is an previous or next buffer?
1357                 break;
1358         case LFUN_BUFFER_SWITCH:
1359                 // toggle on the current buffer, but do not toggle off
1360                 // the other ones (is that a good idea?)
1361                 if (doc_buffer
1362                         && to_utf8(cmd.argument()) == doc_buffer->absFileName())
1363                         flag.setOnOff(true);
1364                 break;
1365
1366         case LFUN_VC_REGISTER:
1367                 enable = doc_buffer && !doc_buffer->lyxvc().inUse();
1368                 break;
1369         case LFUN_VC_CHECK_IN:
1370                 enable = doc_buffer && doc_buffer->lyxvc().checkInEnabled();
1371                 break;
1372         case LFUN_VC_CHECK_OUT:
1373                 enable = doc_buffer && doc_buffer->lyxvc().checkOutEnabled();
1374                 break;
1375         case LFUN_VC_LOCKING_TOGGLE:
1376                 enable = doc_buffer && !doc_buffer->isReadonly()
1377                         && doc_buffer->lyxvc().lockingToggleEnabled();
1378                 flag.setOnOff(enable && !doc_buffer->lyxvc().locker().empty());
1379                 break;
1380         case LFUN_VC_REVERT:
1381                 enable = doc_buffer && doc_buffer->lyxvc().inUse();
1382                 break;
1383         case LFUN_VC_UNDO_LAST:
1384                 enable = doc_buffer && doc_buffer->lyxvc().undoLastEnabled();
1385                 break;
1386         case LFUN_VC_COMMAND: {
1387                 if (cmd.argument().empty())
1388                         enable = false;
1389                 if (!doc_buffer && contains(cmd.getArg(0), 'D'))
1390                         enable = false;
1391                 break;
1392         }
1393
1394         default:
1395                 return false;
1396         }
1397
1398         if (!enable)
1399                 flag.setEnabled(false);
1400
1401         return true;
1402 }
1403
1404
1405 static FileName selectTemplateFile()
1406 {
1407         FileDialog dlg(qt_("Select template file"));
1408         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1409         dlg.setButton1(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1410
1411         FileDialog::Result result = dlg.open(toqstr(lyxrc.template_path),
1412                              QStringList(qt_("LyX Documents (*.lyx)")));
1413
1414         if (result.first == FileDialog::Later)
1415                 return FileName();
1416         if (result.second.isEmpty())
1417                 return FileName();
1418         return FileName(fromqstr(result.second));
1419 }
1420
1421
1422 Buffer * GuiView::loadDocument(FileName const & filename, bool tolastfiles)
1423 {
1424         setBusy(true);
1425
1426         Buffer * newBuffer = checkAndLoadLyXFile(filename);
1427
1428         if (!newBuffer) {
1429                 message(_("Document not loaded."));
1430                 setBusy(false);
1431                 return 0;
1432         }
1433
1434         setBuffer(newBuffer);
1435
1436         // scroll to the position when the file was last closed
1437         if (lyxrc.use_lastfilepos) {
1438                 LastFilePosSection::FilePos filepos =
1439                         theSession().lastFilePos().load(filename);
1440                 documentBufferView()->moveToPosition(filepos.pit, filepos.pos, 0, 0);
1441         }
1442
1443         if (tolastfiles)
1444                 theSession().lastFiles().add(filename);
1445
1446         setBusy(false);
1447         return newBuffer;
1448 }
1449
1450
1451 void GuiView::openDocument(string const & fname)
1452 {
1453         string initpath = lyxrc.document_path;
1454
1455         if (documentBufferView()) {
1456                 string const trypath = documentBufferView()->buffer().filePath();
1457                 // If directory is writeable, use this as default.
1458                 if (FileName(trypath).isDirWritable())
1459                         initpath = trypath;
1460         }
1461
1462         string filename;
1463
1464         if (fname.empty()) {
1465                 FileDialog dlg(qt_("Select document to open"), LFUN_FILE_OPEN);
1466                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1467                 dlg.setButton2(qt_("Examples|#E#e"),
1468                                 toqstr(addPath(package().system_support().absFilename(), "examples")));
1469
1470                 QStringList filter(qt_("LyX Documents (*.lyx)"));
1471                 filter << qt_("LyX-1.3.x Documents (*.lyx13)")
1472                         << qt_("LyX-1.4.x Documents (*.lyx14)")
1473                         << qt_("LyX-1.5.x Documents (*.lyx15)")
1474                         << qt_("LyX-1.6.x Documents (*.lyx16)");
1475                 FileDialog::Result result =
1476                         dlg.open(toqstr(initpath), filter);
1477
1478                 if (result.first == FileDialog::Later)
1479                         return;
1480
1481                 filename = fromqstr(result.second);
1482
1483                 // check selected filename
1484                 if (filename.empty()) {
1485                         message(_("Canceled."));
1486                         return;
1487                 }
1488         } else
1489                 filename = fname;
1490
1491         // get absolute path of file and add ".lyx" to the filename if
1492         // necessary.
1493         FileName const fullname =
1494                         fileSearch(string(), filename, "lyx", support::may_not_exist);
1495         if (!fullname.empty())
1496                 filename = fullname.absFilename();
1497
1498         if (!fullname.onlyPath().isDirectory()) {
1499                 Alert::warning(_("Invalid filename"),
1500                                 bformat(_("The directory in the given path\n%1$s\ndoes not exist."),
1501                                 from_utf8(fullname.absFilename())));
1502                 return;
1503         }
1504         // if the file doesn't exist, let the user create one
1505         if (!fullname.exists()) {
1506                 // the user specifically chose this name. Believe him.
1507                 Buffer * const b = newFile(filename, string(), true);
1508                 if (b)
1509                         setBuffer(b);
1510                 return;
1511         }
1512
1513         docstring const disp_fn = makeDisplayPath(filename);
1514         message(bformat(_("Opening document %1$s..."), disp_fn));
1515
1516         docstring str2;
1517         Buffer * buf = loadDocument(fullname);
1518         if (buf) {
1519                 buf->updateLabels();
1520                 setBuffer(buf);
1521                 buf->errors("Parse");
1522                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1523                 if (buf->lyxvc().inUse())
1524                         str2 += " " + from_utf8(buf->lyxvc().versionString()) +
1525                                 " " + _("Version control detected.");
1526         } else {
1527                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1528         }
1529         message(str2);
1530 }
1531
1532 // FIXME: clean that
1533 static bool import(GuiView * lv, FileName const & filename,
1534         string const & format, ErrorList & errorList)
1535 {
1536         FileName const lyxfile(support::changeExtension(filename.absFilename(), ".lyx"));
1537
1538         string loader_format;
1539         vector<string> loaders = theConverters().loaders();
1540         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
1541                 for (vector<string>::const_iterator it = loaders.begin();
1542                      it != loaders.end(); ++it) {
1543                         if (!theConverters().isReachable(format, *it))
1544                                 continue;
1545
1546                         string const tofile =
1547                                 support::changeExtension(filename.absFilename(),
1548                                 formats.extension(*it));
1549                         if (!theConverters().convert(0, filename, FileName(tofile),
1550                                 filename, format, *it, errorList))
1551                                 return false;
1552                         loader_format = *it;
1553                         break;
1554                 }
1555                 if (loader_format.empty()) {
1556                         frontend::Alert::error(_("Couldn't import file"),
1557                                      bformat(_("No information for importing the format %1$s."),
1558                                          formats.prettyName(format)));
1559                         return false;
1560                 }
1561         } else
1562                 loader_format = format;
1563
1564         if (loader_format == "lyx") {
1565                 Buffer * buf = lv->loadDocument(lyxfile);
1566                 if (!buf)
1567                         return false;
1568                 buf->updateLabels();
1569                 lv->setBuffer(buf);
1570                 buf->errors("Parse");
1571         } else {
1572                 Buffer * const b = newFile(lyxfile.absFilename(), string(), true);
1573                 if (!b)
1574                         return false;
1575                 lv->setBuffer(b);
1576                 bool as_paragraphs = loader_format == "textparagraph";
1577                 string filename2 = (loader_format == format) ? filename.absFilename()
1578                         : support::changeExtension(filename.absFilename(),
1579                                           formats.extension(loader_format));
1580                 lv->currentBufferView()->insertPlaintextFile(FileName(filename2),
1581                         as_paragraphs);
1582                 theLyXFunc().setLyXView(lv);
1583                 lyx::dispatch(FuncRequest(LFUN_MARK_OFF));
1584         }
1585
1586         return true;
1587 }
1588
1589
1590 void GuiView::importDocument(string const & argument)
1591 {
1592         string format;
1593         string filename = split(argument, format, ' ');
1594
1595         LYXERR(Debug::INFO, format << " file: " << filename);
1596
1597         // need user interaction
1598         if (filename.empty()) {
1599                 string initpath = lyxrc.document_path;
1600                 if (documentBufferView()) {
1601                         string const trypath = documentBufferView()->buffer().filePath();
1602                         // If directory is writeable, use this as default.
1603                         if (FileName(trypath).isDirWritable())
1604                                 initpath = trypath;
1605                 }
1606
1607                 docstring const text = bformat(_("Select %1$s file to import"),
1608                         formats.prettyName(format));
1609
1610                 FileDialog dlg(toqstr(text), LFUN_BUFFER_IMPORT);
1611                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1612                 dlg.setButton2(qt_("Examples|#E#e"),
1613                         toqstr(addPath(package().system_support().absFilename(), "examples")));
1614
1615                 docstring filter = formats.prettyName(format);
1616                 filter += " (*.";
1617                 // FIXME UNICODE
1618                 filter += from_utf8(formats.extension(format));
1619                 filter += ')';
1620
1621                 FileDialog::Result result =
1622                         dlg.open(toqstr(initpath), fileFilters(toqstr(filter)));
1623
1624                 if (result.first == FileDialog::Later)
1625                         return;
1626
1627                 filename = fromqstr(result.second);
1628
1629                 // check selected filename
1630                 if (filename.empty())
1631                         message(_("Canceled."));
1632         }
1633
1634         if (filename.empty())
1635                 return;
1636
1637         // get absolute path of file
1638         FileName const fullname(support::makeAbsPath(filename));
1639
1640         FileName const lyxfile(support::changeExtension(fullname.absFilename(), ".lyx"));
1641
1642         // Check if the document already is open
1643         Buffer * buf = theBufferList().getBuffer(lyxfile);
1644         if (buf) {
1645                 setBuffer(buf);
1646                 if (!closeBuffer()) {
1647                         message(_("Canceled."));
1648                         return;
1649                 }
1650         }
1651
1652         docstring const displaypath = makeDisplayPath(lyxfile.absFilename(), 30);
1653
1654         // if the file exists already, and we didn't do
1655         // -i lyx thefile.lyx, warn
1656         if (lyxfile.exists() && fullname != lyxfile) {
1657
1658                 docstring text = bformat(_("The document %1$s already exists.\n\n"
1659                         "Do you want to overwrite that document?"), displaypath);
1660                 int const ret = Alert::prompt(_("Overwrite document?"),
1661                         text, 0, 1, _("&Overwrite"), _("&Cancel"));
1662
1663                 if (ret == 1) {
1664                         message(_("Canceled."));
1665                         return;
1666                 }
1667         }
1668
1669         message(bformat(_("Importing %1$s..."), displaypath));
1670         ErrorList errorList;
1671         if (import(this, fullname, format, errorList))
1672                 message(_("imported."));
1673         else
1674                 message(_("file not imported!"));
1675
1676         // FIXME (Abdel 12/08/06): Is there a need to display the error list here?
1677 }
1678
1679
1680 void GuiView::newDocument(string const & filename, bool from_template)
1681 {
1682         FileName initpath(lyxrc.document_path);
1683         if (documentBufferView()) {
1684                 FileName const trypath(documentBufferView()->buffer().filePath());
1685                 // If directory is writeable, use this as default.
1686                 if (trypath.isDirWritable())
1687                         initpath = trypath;
1688         }
1689
1690         string templatefile;
1691         if (from_template) {
1692                 templatefile = selectTemplateFile().absFilename();
1693                 if (templatefile.empty())
1694                         return;
1695         }
1696
1697         Buffer * b;
1698         if (filename.empty())
1699                 b = newUnnamedFile(templatefile, initpath);
1700         else
1701                 b = newFile(filename, templatefile, true);
1702
1703         if (b)
1704                 setBuffer(b);
1705
1706         // If no new document could be created, it is unsure
1707         // whether there is a valid BufferView.
1708         if (currentBufferView())
1709                 // Ensure the cursor is correctly positioned on screen.
1710                 currentBufferView()->showCursor();
1711 }
1712
1713
1714 void GuiView::insertLyXFile(docstring const & fname)
1715 {
1716         BufferView * bv = documentBufferView();
1717         if (!bv)
1718                 return;
1719
1720         // FIXME UNICODE
1721         FileName filename(to_utf8(fname));
1722
1723         if (!filename.empty()) {
1724                 bv->insertLyXFile(filename);
1725                 return;
1726         }
1727
1728         // Launch a file browser
1729         // FIXME UNICODE
1730         string initpath = lyxrc.document_path;
1731         string const trypath = bv->buffer().filePath();
1732         // If directory is writeable, use this as default.
1733         if (FileName(trypath).isDirWritable())
1734                 initpath = trypath;
1735
1736         // FIXME UNICODE
1737         FileDialog dlg(qt_("Select LyX document to insert"), LFUN_FILE_INSERT);
1738         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1739         dlg.setButton2(qt_("Examples|#E#e"),
1740                 toqstr(addPath(package().system_support().absFilename(),
1741                 "examples")));
1742
1743         FileDialog::Result result = dlg.open(toqstr(initpath),
1744                              QStringList(qt_("LyX Documents (*.lyx)")));
1745
1746         if (result.first == FileDialog::Later)
1747                 return;
1748
1749         // FIXME UNICODE
1750         filename.set(fromqstr(result.second));
1751
1752         // check selected filename
1753         if (filename.empty()) {
1754                 // emit message signal.
1755                 message(_("Canceled."));
1756                 return;
1757         }
1758
1759         bv->insertLyXFile(filename);
1760 }
1761
1762
1763 void GuiView::insertPlaintextFile(docstring const & fname,
1764         bool asParagraph)
1765 {
1766         BufferView * bv = documentBufferView();
1767         if (!bv)
1768                 return;
1769
1770         if (!fname.empty() && !FileName::isAbsolute(to_utf8(fname))) {
1771                 message(_("Absolute filename expected."));
1772                 return;
1773         }
1774
1775         // FIXME UNICODE
1776         FileName filename(to_utf8(fname));
1777
1778         if (!filename.empty()) {
1779                 bv->insertPlaintextFile(filename, asParagraph);
1780                 return;
1781         }
1782
1783         FileDialog dlg(qt_("Select file to insert"), (asParagraph ?
1784                 LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT));
1785
1786         FileDialog::Result result = dlg.open(toqstr(bv->buffer().filePath()),
1787                 QStringList(qt_("All Files (*)")));
1788
1789         if (result.first == FileDialog::Later)
1790                 return;
1791
1792         // FIXME UNICODE
1793         filename.set(fromqstr(result.second));
1794
1795         // check selected filename
1796         if (filename.empty()) {
1797                 // emit message signal.
1798                 message(_("Canceled."));
1799                 return;
1800         }
1801
1802         bv->insertPlaintextFile(filename, asParagraph);
1803 }
1804
1805
1806 bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
1807 {
1808         FileName fname = b.fileName();
1809         FileName const oldname = fname;
1810
1811         if (!newname.empty()) {
1812                 // FIXME UNICODE
1813                 fname = support::makeAbsPath(to_utf8(newname), oldname.onlyPath().absFilename());
1814         } else {
1815                 // Switch to this Buffer.
1816                 setBuffer(&b);
1817
1818                 // No argument? Ask user through dialog.
1819                 // FIXME UNICODE
1820                 FileDialog dlg(qt_("Choose a filename to save document as"),
1821                                    LFUN_BUFFER_WRITE_AS);
1822                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1823                 dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1824
1825                 if (!isLyXFilename(fname.absFilename()))
1826                         fname.changeExtension(".lyx");
1827
1828                 FileDialog::Result result =
1829                         dlg.save(toqstr(fname.onlyPath().absFilename()),
1830                                QStringList(qt_("LyX Documents (*.lyx)")),
1831                                      toqstr(fname.onlyFileName()));
1832
1833                 if (result.first == FileDialog::Later)
1834                         return false;
1835
1836                 fname.set(fromqstr(result.second));
1837
1838                 if (fname.empty())
1839                         return false;
1840
1841                 if (!isLyXFilename(fname.absFilename()))
1842                         fname.changeExtension(".lyx");
1843         }
1844
1845         if (FileName(fname).exists()) {
1846                 docstring const file = makeDisplayPath(fname.absFilename(), 30);
1847                 docstring text = bformat(_("The document %1$s already "
1848                                            "exists.\n\nDo you want to "
1849                                            "overwrite that document?"),
1850                                          file);
1851                 int const ret = Alert::prompt(_("Overwrite document?"),
1852                         text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
1853                 switch (ret) {
1854                 case 0: break;
1855                 case 1: return renameBuffer(b, docstring());
1856                 case 2: return false;
1857                 }
1858         }
1859
1860         FileName oldauto = b.getAutosaveFilename();
1861
1862         // Ok, change the name of the buffer
1863         b.setFileName(fname.absFilename());
1864         b.markDirty();
1865         bool unnamed = b.isUnnamed();
1866         b.setUnnamed(false);
1867         b.saveCheckSum(fname);
1868
1869         // bring the autosave file with us, just in case.
1870         b.moveAutosaveFile(oldauto);
1871
1872         if (!saveBuffer(b)) {
1873                 oldauto = b.getAutosaveFilename();
1874                 b.setFileName(oldname.absFilename());
1875                 b.setUnnamed(unnamed);
1876                 b.saveCheckSum(oldname);
1877                 b.moveAutosaveFile(oldauto);
1878                 return false;
1879         }
1880
1881         return true;
1882 }
1883
1884
1885 bool GuiView::saveBuffer(Buffer & b)
1886 {
1887         if (workArea(b) && workArea(b)->inDialogMode())
1888                 return true;
1889
1890         if (b.isUnnamed())
1891                 return renameBuffer(b, docstring());
1892
1893         if (b.save()) {
1894                 theSession().lastFiles().add(b.fileName());
1895                 return true;
1896         }
1897
1898         // Switch to this Buffer.
1899         setBuffer(&b);
1900
1901         // FIXME: we don't tell the user *WHY* the save failed !!
1902         docstring const file = makeDisplayPath(b.absFileName(), 30);
1903         docstring text = bformat(_("The document %1$s could not be saved.\n\n"
1904                                    "Do you want to rename the document and "
1905                                    "try again?"), file);
1906         int const ret = Alert::prompt(_("Rename and save?"),
1907                 text, 0, 2, _("&Rename"), _("&Retry"), _("&Cancel"));
1908         switch (ret) {
1909         case 0:
1910                 if (!renameBuffer(b, docstring()))
1911                         return false;
1912                 break;
1913         case 1:
1914                 break;
1915         case 2:
1916                 return false;
1917         }
1918
1919         return saveBuffer(b);
1920 }
1921
1922
1923 bool GuiView::hideWorkArea(GuiWorkArea * wa)
1924 {
1925         return closeWorkArea(wa, false);
1926 }
1927
1928
1929 bool GuiView::closeWorkArea(GuiWorkArea * wa)
1930 {
1931         Buffer & buf = wa->bufferView().buffer();
1932         return closeWorkArea(wa, !buf.parent());
1933 }
1934
1935
1936 bool GuiView::closeBuffer()
1937 {
1938         GuiWorkArea * wa = currentMainWorkArea();
1939         Buffer & buf = wa->bufferView().buffer();
1940         return wa && closeWorkArea(wa, !buf.parent());
1941 }
1942
1943
1944 void GuiView::writeSession() const {
1945         GuiWorkArea const * active_wa = currentMainWorkArea();
1946         for (int i = 0; i < d.splitter_->count(); ++i) {
1947                 TabWorkArea * twa = d.tabWorkArea(i);
1948                 for (int j = 0; j < twa->count(); ++j) {
1949                         GuiWorkArea * wa = static_cast<GuiWorkArea *>(twa->widget(j));
1950                         Buffer & buf = wa->bufferView().buffer();
1951                         theSession().lastOpened().add(buf.fileName(), wa == active_wa);
1952                 }
1953         }
1954 }
1955
1956
1957 bool GuiView::closeBufferAll()
1958 {
1959         // Close the workareas in all other views
1960         QList<int> const ids = guiApp->viewIds();
1961         for (int i = 0; i != ids.size(); ++i) {
1962                 if (id_ != ids[i] && !guiApp->view(ids[i]).closeWorkAreaAll())
1963                         return false;
1964         }
1965
1966         // Close our own workareas
1967         if (!closeWorkAreaAll())
1968                 return false;
1969
1970         // Now close the hidden buffers. We prevent hidden buffers from being
1971         // dirty, so we can just close them.
1972         theBufferList().closeAll();
1973         return true;
1974 }
1975
1976
1977 bool GuiView::closeWorkAreaAll()
1978 {
1979         setCurrentWorkArea(currentMainWorkArea());
1980
1981         // We might be in a situation that there is still a tabWorkArea, but
1982         // there are no tabs anymore. This can happen when we get here after a
1983         // TabWorkArea::lastWorkAreaRemoved() signal. Therefore we count how
1984         // many TabWorkArea's have no documents anymore.
1985         int empty_twa = 0;
1986
1987         // We have to call count() each time, because it can happen that
1988         // more than one splitter will disappear in one iteration (bug 5998).
1989         for (; d.splitter_->count() > empty_twa; ) {
1990                 TabWorkArea * twa = d.tabWorkArea(empty_twa);
1991
1992                 if (twa->count() == 0)
1993                         ++empty_twa;
1994                 else {
1995                         setCurrentWorkArea(twa->currentWorkArea());
1996                         if (!closeTabWorkArea(twa))
1997                                 return false;
1998                 }
1999         }
2000         return true;
2001 }
2002
2003
2004 bool GuiView::closeWorkArea(GuiWorkArea * wa, bool close_buffer)
2005 {
2006         Buffer & buf = wa->bufferView().buffer();
2007
2008         // If we are in a close_event all children will be closed in some time,
2009         // so no need to do it here. This will ensure that the children end up
2010         // in the session file in the correct order. If we close the master
2011         // buffer, we can close or release the child buffers here too.
2012         if (close_buffer && !closing_) {
2013                 vector<Buffer *> clist = buf.getChildren();
2014                 for (vector<Buffer *>::const_iterator it = clist.begin();
2015                          it != clist.end(); ++it) {
2016                         // If a child is dirty, do not close
2017                         // without user intervention
2018                         //FIXME: should we look in other tabworkareas?
2019                         Buffer * child_buf = *it;
2020                         GuiWorkArea * child_wa = workArea(*child_buf);
2021                         if (child_wa) {
2022                                 if (!closeWorkArea(child_wa, true))
2023                                         return false;
2024                         } else
2025                                 theBufferList().releaseChild(&buf, child_buf);
2026                 }
2027         }
2028         // goto bookmark to update bookmark pit.
2029         //FIXME: we should update only the bookmarks related to this buffer!
2030         LYXERR(Debug::DEBUG, "GuiView::closeBuffer()");
2031         for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
2032                 theLyXFunc().gotoBookmark(i+1, false, false);
2033
2034         // if we are only hiding the buffer and there are multiple views
2035         // of the buffer, then we do not need to ensure a clean buffer.
2036         bool const allow_dirty = inMultiTabs(wa) && !close_buffer;
2037
2038         if (allow_dirty || saveBufferIfNeeded(buf, !close_buffer)) {
2039                 // save in sessions if requested
2040                 // do not save childs if their master
2041                 // is opened as well
2042                 if (!close_buffer)
2043                         removeWorkArea(wa);
2044                 else
2045                         theBufferList().release(&buf);
2046                 return true;
2047         }
2048         return false;
2049 }
2050
2051
2052 bool GuiView::closeTabWorkArea(TabWorkArea * twa)
2053 {
2054         while (twa == d.currentTabWorkArea()) {
2055                 twa->setCurrentIndex(twa->count()-1);
2056
2057                 GuiWorkArea * wa = twa->currentWorkArea();
2058                 Buffer & b = wa->bufferView().buffer();
2059
2060                 // We only want to close the buffer if the same buffer is not visible
2061                 // in another view, and if this is not a child and if we are closing
2062                 // a view (not a tabgroup).
2063                 bool const close_buffer =
2064                         !inMultiViews(wa) && !b.parent() && closing_;
2065
2066                 if (!closeWorkArea(wa, close_buffer))
2067                         return false;
2068         }
2069         return true;
2070 }
2071
2072
2073 bool GuiView::saveBufferIfNeeded(Buffer & buf, bool hiding)
2074 {
2075         if (buf.isClean() || buf.paragraphs().empty())
2076                 return true;
2077
2078         // Switch to this Buffer.
2079         setBuffer(&buf);
2080
2081         docstring file;
2082         // FIXME: Unicode?
2083         if (buf.isUnnamed())
2084                 file = from_utf8(buf.fileName().onlyFileName());
2085         else
2086                 file = buf.fileName().displayName(30);
2087
2088         // Bring this window to top before asking questions.
2089         raise();
2090         activateWindow();
2091
2092         int ret;
2093         if (hiding && buf.isUnnamed()) {
2094                 docstring const text = bformat(_("The document %1$s has not been "
2095                                              "saved yet.\n\nDo you want to save "
2096                                              "the document?"), file);
2097                 ret = Alert::prompt(_("Save new document?"),
2098                         text, 0, 1, _("&Save"), _("&Cancel"));
2099                 if (ret == 1)
2100                         ++ret;
2101         } else {
2102                 docstring const text = bformat(_("The document %1$s has unsaved changes."
2103                         "\n\nDo you want to save the document or discard the changes?"), file);
2104                 ret = Alert::prompt(_("Save changed document?"),
2105                         text, 0, 2, _("&Save"), _("&Discard"), _("&Cancel"));
2106         }
2107
2108         switch (ret) {
2109         case 0:
2110                 if (!saveBuffer(buf))
2111                         return false;
2112                 break;
2113         case 1:
2114                 // if we crash after this we could
2115                 // have no autosave file but I guess
2116                 // this is really improbable (Jug)
2117                 buf.removeAutosaveFile();
2118                 if (hiding)
2119                         // revert all changes
2120                         buf.loadLyXFile(buf.fileName());
2121                 buf.markClean();
2122                 break;
2123         case 2:
2124                 return false;
2125         }
2126         return true;
2127 }
2128
2129
2130 bool GuiView::inMultiTabs(GuiWorkArea * wa)
2131 {
2132         Buffer & buf = wa->bufferView().buffer();
2133
2134         for (int i = 0; i != d.splitter_->count(); ++i) {
2135                 GuiWorkArea * wa_ = d.tabWorkArea(i)->workArea(buf);
2136                 if (wa_ && wa_ != wa)
2137                         return true;
2138         }
2139         return inMultiViews(wa);
2140 }
2141
2142
2143 bool GuiView::inMultiViews(GuiWorkArea * wa)
2144 {
2145         QList<int> const ids = guiApp->viewIds();
2146         Buffer & buf = wa->bufferView().buffer();
2147
2148         int found_twa = 0;
2149         for (int i = 0; i != ids.size() && found_twa <= 1; ++i) {
2150                 if (id_ == ids[i])
2151                         continue;
2152
2153                 if (guiApp->view(ids[i]).workArea(buf))
2154                         return true;
2155         }
2156         return false;
2157 }
2158
2159
2160 void GuiView::gotoNextOrPreviousBuffer(NextOrPrevious np)
2161 {
2162         Buffer * const curbuf = documentBufferView()
2163                 ? &documentBufferView()->buffer() : 0;
2164         Buffer * nextbuf = curbuf;
2165         while (true) {
2166                 if (np == NEXTBUFFER)
2167                         nextbuf = theBufferList().next(nextbuf);
2168                 else
2169                         nextbuf = theBufferList().previous(nextbuf);
2170                 if (nextbuf == curbuf)
2171                         break;
2172                 if (nextbuf == 0) {
2173                         nextbuf = curbuf;
2174                         break;
2175                 }
2176                 if (workArea(*nextbuf))
2177                         break;
2178         }
2179         setBuffer(nextbuf);
2180 }
2181
2182
2183 /// make sure the document is saved
2184 static bool ensureBufferClean(Buffer * buffer)
2185 {
2186         LASSERT(buffer, return false);
2187         if (buffer->isClean() && !buffer->isUnnamed())
2188                 return true;
2189
2190         docstring const file = buffer->fileName().displayName(30);
2191         docstring title;
2192         docstring text;
2193         if (!buffer->isUnnamed()) {
2194                 text = bformat(_("The document %1$s has unsaved "
2195                                              "changes.\n\nDo you want to save "
2196                                              "the document?"), file);
2197                 title = _("Save changed document?");
2198
2199         } else {
2200                 text = bformat(_("The document %1$s has not been "
2201                                              "saved yet.\n\nDo you want to save "
2202                                              "the document?"), file);
2203                 title = _("Save new document?");
2204         }
2205         int const ret = Alert::prompt(title, text, 0, 1, _("&Save"), _("&Cancel"));
2206
2207         if (ret == 0)
2208                 dispatch(FuncRequest(LFUN_BUFFER_WRITE));
2209
2210         return buffer->isClean() && !buffer->isUnnamed();
2211 }
2212
2213
2214 void GuiView::reloadBuffer()
2215 {
2216         Buffer * buf = &documentBufferView()->buffer();
2217         FileName filename = buf->fileName();
2218         // The user has already confirmed that the changes, if any, should
2219         // be discarded. So we just release the Buffer and don't call closeBuffer();
2220         theBufferList().release(buf);
2221         buf = loadDocument(filename);
2222         docstring const disp_fn = makeDisplayPath(filename.absFilename());
2223         docstring str;
2224         if (buf) {
2225                 buf->updateLabels();
2226                 setBuffer(buf);
2227                 buf->errors("Parse");
2228                 str = bformat(_("Document %1$s reloaded."), disp_fn);
2229         } else {
2230                 str = bformat(_("Could not reload document %1$s"), disp_fn);
2231         }
2232         message(str);
2233 }
2234
2235
2236 void GuiView::dispatchVC(FuncRequest const & cmd)
2237 {
2238         Buffer * buffer = documentBufferView()
2239                 ? &(documentBufferView()->buffer()) : 0;
2240
2241         switch (cmd.action) {
2242         case LFUN_VC_REGISTER:
2243                 if (!buffer || !ensureBufferClean(buffer))
2244                         break;
2245                 if (!buffer->lyxvc().inUse()) {
2246                         if (buffer->lyxvc().registrer())
2247                                 reloadBuffer();
2248                 }
2249                 break;
2250
2251         case LFUN_VC_CHECK_IN:
2252                 if (!buffer || !ensureBufferClean(buffer))
2253                         break;
2254                 if (buffer->lyxvc().inUse() && !buffer->isReadonly()) {
2255                         message(from_utf8(buffer->lyxvc().checkIn()));
2256                         reloadBuffer();
2257                 }
2258                 break;
2259
2260         case LFUN_VC_CHECK_OUT:
2261                 if (!buffer || !ensureBufferClean(buffer))
2262                         break;
2263                 if (buffer->lyxvc().inUse()) {
2264                         message(from_utf8(buffer->lyxvc().checkOut()));
2265                         reloadBuffer();
2266                 }
2267                 break;
2268
2269         case LFUN_VC_LOCKING_TOGGLE:
2270                 LASSERT(buffer, return);
2271                 if (!ensureBufferClean(buffer) || buffer->isReadonly())
2272                         break;
2273                 if (buffer->lyxvc().inUse()) {
2274                         string res = buffer->lyxvc().lockingToggle();
2275                         if (res.empty()) {
2276                                 frontend::Alert::error(_("Revision control error."),
2277                                 _("Error when setting the locking property."));
2278                         } else {
2279                                 message(from_utf8(res));
2280                                 reloadBuffer();
2281                         }
2282                 }
2283                 break;
2284
2285         case LFUN_VC_REVERT:
2286                 LASSERT(buffer, return);
2287                 buffer->lyxvc().revert();
2288                 reloadBuffer();
2289                 break;
2290
2291         case LFUN_VC_UNDO_LAST:
2292                 LASSERT(buffer, return);
2293                 buffer->lyxvc().undoLast();
2294                 reloadBuffer();
2295                 break;
2296
2297         case LFUN_VC_COMMAND: {
2298                 string flag = cmd.getArg(0);
2299                 if (buffer && contains(flag, 'R') && !ensureBufferClean(buffer))
2300                         break;
2301                 docstring message;
2302                 if (contains(flag, 'M')) {
2303                         if (!Alert::askForText(message, _("LyX VC: Log Message")))
2304                                 break;
2305                 }
2306                 string path = cmd.getArg(1);
2307                 if (contains(path, "$$p") && buffer)
2308                         path = subst(path, "$$p", buffer->filePath());
2309                 LYXERR(Debug::LYXVC, "Directory: " << path);
2310                 FileName pp(path);
2311                 if (!pp.isReadableDirectory()) {
2312                         lyxerr << _("Directory is not accessible.") << endl;
2313                         break;
2314                 }
2315                 support::PathChanger p(pp);
2316
2317                 string command = cmd.getArg(2);
2318                 if (command.empty())
2319                         break;
2320                 if (buffer) {
2321                         command = subst(command, "$$i", buffer->absFileName());
2322                         command = subst(command, "$$p", buffer->filePath());
2323                 }
2324                 command = subst(command, "$$m", to_utf8(message));
2325                 LYXERR(Debug::LYXVC, "Command: " << command);
2326                 Systemcall one;
2327                 one.startscript(Systemcall::Wait, command);
2328
2329                 if (!buffer)
2330                         break;
2331                 if (contains(flag, 'I'))
2332                         buffer->markDirty();
2333                 if (contains(flag, 'R'))
2334                         reloadBuffer();
2335
2336                 break;
2337                 }
2338         }
2339 }
2340
2341
2342 bool GuiView::dispatch(FuncRequest const & cmd)
2343 {
2344         BufferView * bv = currentBufferView();
2345         // By default we won't need any update.
2346         if (bv)
2347                 bv->cursor().updateFlags(Update::None);
2348
2349         Buffer * doc_buffer = documentBufferView()
2350                 ? &(documentBufferView()->buffer()) : 0;
2351
2352         bool dispatched = true;
2353
2354         if (cmd.origin == FuncRequest::TOC) {
2355                 GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
2356                 toc->doDispatch(bv->cursor(), cmd);
2357                 return true;
2358         }
2359
2360         switch(cmd.action) {
2361                 case LFUN_BUFFER_IMPORT:
2362                         importDocument(to_utf8(cmd.argument()));
2363                         break;
2364
2365                 case LFUN_BUFFER_SWITCH:
2366                         if (FileName::isAbsolute(to_utf8(cmd.argument()))) {
2367                                 Buffer * buffer =
2368                                         theBufferList().getBuffer(FileName(to_utf8(cmd.argument())));
2369                                 if (buffer)
2370                                         setBuffer(buffer);
2371                                 else
2372                                         bv->cursor().message(_("Document not loaded"));
2373                         }
2374                         break;
2375
2376                 case LFUN_BUFFER_NEXT:
2377                         gotoNextOrPreviousBuffer(NEXTBUFFER);
2378                         break;
2379
2380                 case LFUN_BUFFER_PREVIOUS:
2381                         gotoNextOrPreviousBuffer(PREVBUFFER);
2382                         break;
2383
2384                 case LFUN_COMMAND_EXECUTE: {
2385                         bool const show_it = cmd.argument() != "off";
2386                         // FIXME: this is a hack, "minibuffer" should not be
2387                         // hardcoded.
2388                         if (GuiToolbar * t = toolbar("minibuffer")) {
2389                                 t->setVisible(show_it);
2390                                 if (show_it && t->commandBuffer())
2391                                         t->commandBuffer()->setFocus();
2392                         }
2393                         break;
2394                 }
2395                 case LFUN_DROP_LAYOUTS_CHOICE:
2396                         d.layout_->showPopup();
2397                         break;
2398
2399                 case LFUN_MENU_OPEN:
2400                         if (QMenu * menu = guiApp->menus().menu(toqstr(cmd.argument()), *this))
2401                                 menu->exec(QCursor::pos());
2402                         break;
2403
2404                 case LFUN_FILE_INSERT:
2405                         insertLyXFile(cmd.argument());
2406                         break;
2407                 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
2408                         insertPlaintextFile(cmd.argument(), true);
2409                         break;
2410
2411                 case LFUN_FILE_INSERT_PLAINTEXT:
2412                         insertPlaintextFile(cmd.argument(), false);
2413                         break;
2414
2415                 case LFUN_BUFFER_RELOAD: {
2416                         LASSERT(doc_buffer, break);
2417                         docstring const file = makeDisplayPath(doc_buffer->absFileName(), 20);
2418                         docstring text = bformat(_("Any changes will be lost. Are you sure "
2419                                                              "you want to revert to the saved version of the document %1$s?"), file);
2420                         int const ret = Alert::prompt(_("Revert to saved document?"),
2421                                 text, 1, 1, _("&Revert"), _("&Cancel"));
2422
2423                         if (ret == 0)
2424                                 reloadBuffer();
2425                         break;
2426                 }
2427
2428                 case LFUN_BUFFER_WRITE:
2429                         LASSERT(doc_buffer, break);
2430                         saveBuffer(*doc_buffer);
2431                         break;
2432
2433                 case LFUN_BUFFER_WRITE_AS:
2434                         LASSERT(doc_buffer, break);
2435                         renameBuffer(*doc_buffer, cmd.argument());
2436                         break;
2437
2438                 case LFUN_BUFFER_WRITE_ALL: {
2439                         Buffer * first = theBufferList().first();
2440                         if (!first)
2441                                 break;
2442                         message(_("Saving all documents..."));
2443                         // We cannot use a for loop as the buffer list cycles.
2444                         Buffer * b = first;
2445                         do {
2446                                 if (!b->isClean()) {
2447                                         saveBuffer(*b);
2448                                         LYXERR(Debug::ACTION, "Saved " << b->absFileName());
2449                                 }
2450                                 b = theBufferList().next(b);
2451                         } while (b != first);
2452                         message(_("All documents saved."));
2453                         break;
2454                 }
2455
2456                 case LFUN_TOOLBAR_TOGGLE: {
2457                         string const name = cmd.getArg(0);
2458                         if (GuiToolbar * t = toolbar(name))
2459                                 t->toggle();
2460                         break;
2461                 }
2462
2463                 case LFUN_DIALOG_UPDATE: {
2464                         string const name = to_utf8(cmd.argument());
2465                         // Can only update a dialog connected to an existing inset
2466                         Inset * inset = getOpenInset(name);
2467                         if (inset) {
2468                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument());
2469                                 inset->dispatch(currentBufferView()->cursor(), fr);
2470                         } else if (name == "paragraph") {
2471                                 lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
2472                         } else if (name == "prefs" || name == "document") {
2473                                 updateDialog(name, string());
2474                         }
2475                         break;
2476                 }
2477
2478                 case LFUN_DIALOG_TOGGLE: {
2479                         if (isDialogVisible(cmd.getArg(0)))
2480                                 dispatch(FuncRequest(LFUN_DIALOG_HIDE, cmd.argument()));
2481                         else
2482                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, cmd.argument()));
2483                         break;
2484                 }
2485
2486                 case LFUN_DIALOG_DISCONNECT_INSET:
2487                         disconnectDialog(to_utf8(cmd.argument()));
2488                         break;
2489
2490                 case LFUN_DIALOG_HIDE: {
2491                         guiApp->hideDialogs(to_utf8(cmd.argument()), 0);
2492                         break;
2493                 }
2494
2495                 case LFUN_DIALOG_SHOW: {
2496                         string const name = cmd.getArg(0);
2497                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2498
2499                         if (name == "character") {
2500                                 data = freefont2string();
2501                                 if (!data.empty())
2502                                         showDialog("character", data);
2503                         } else if (name == "latexlog") {
2504                                 Buffer::LogType type;
2505                                 string const logfile = doc_buffer->logName(&type);
2506                                 switch (type) {
2507                                 case Buffer::latexlog:
2508                                         data = "latex ";
2509                                         break;
2510                                 case Buffer::buildlog:
2511                                         data = "literate ";
2512                                         break;
2513                                 }
2514                                 data += Lexer::quoteString(logfile);
2515                                 showDialog("log", data);
2516                         } else if (name == "vclog") {
2517                                 string const data = "vc " +
2518                                         Lexer::quoteString(doc_buffer->lyxvc().getLogFile());
2519                                 showDialog("log", data);
2520                         } else if (name == "symbols") {
2521                                 data = bv->cursor().getEncoding()->name();
2522                                 if (!data.empty())
2523                                         showDialog("symbols", data);
2524                         // bug 5274
2525                         } else if (name == "prefs" && isFullScreen()) {
2526                                 FuncRequest fr(LFUN_INSET_INSERT, "fullscreen");
2527                                 lfunUiToggle(fr);
2528                                 showDialog("prefs", data);
2529                         } else
2530                                 showDialog(name, data);
2531                         break;
2532                 }
2533
2534                 case LFUN_MESSAGE:
2535                         message(cmd.argument());
2536                         break;
2537
2538                 case LFUN_INSET_APPLY: {
2539                         string const name = cmd.getArg(0);
2540                         Inset * inset = getOpenInset(name);
2541                         if (inset) {
2542                                 // put cursor in front of inset.
2543                                 if (!currentBufferView()->setCursorFromInset(inset)) {
2544                                         LASSERT(false, break);
2545                                 }
2546                                 BufferView * bv = currentBufferView();
2547                                 // useful if we are called from a dialog.
2548                                 bv->cursor().beginUndoGroup();
2549                                 bv->cursor().recordUndo();
2550                                 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2551                                 inset->dispatch(bv->cursor(), fr);
2552                                 bv->cursor().endUndoGroup();
2553                         } else {
2554                                 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2555                                 lyx::dispatch(fr);
2556                         }
2557                         break;
2558                 }
2559
2560                 case LFUN_UI_TOGGLE:
2561                         lfunUiToggle(cmd);
2562                         // Make sure the keyboard focus stays in the work area.
2563                         setFocus();
2564                         break;
2565
2566                 case LFUN_SPLIT_VIEW: {
2567                         LASSERT(doc_buffer, break);
2568                         string const orientation = cmd.getArg(0);
2569                         d.splitter_->setOrientation(orientation == "vertical"
2570                                 ? Qt::Vertical : Qt::Horizontal);
2571                         TabWorkArea * twa = addTabWorkArea();
2572                         GuiWorkArea * wa = twa->addWorkArea(*doc_buffer, *this);
2573                         setCurrentWorkArea(wa);
2574                         break;
2575                 }
2576                 case LFUN_CLOSE_TAB_GROUP:
2577                         if (TabWorkArea * twa = d.currentTabWorkArea()) {
2578                                 closeTabWorkArea(twa);
2579                                 d.current_work_area_ = 0;
2580                                 twa = d.currentTabWorkArea();
2581                                 // Switch to the next GuiWorkArea in the found TabWorkArea.
2582                                 if (twa) {
2583                                         // Make sure the work area is up to date.
2584                                         setCurrentWorkArea(twa->currentWorkArea());
2585                                 } else {
2586                                         setCurrentWorkArea(0);
2587                                 }
2588                         }
2589                         break;
2590
2591                 case LFUN_COMPLETION_INLINE:
2592                         if (d.current_work_area_)
2593                                 d.current_work_area_->completer().showInline();
2594                         break;
2595
2596                 case LFUN_COMPLETION_POPUP:
2597                         if (d.current_work_area_)
2598                                 d.current_work_area_->completer().showPopup();
2599                         break;
2600
2601
2602                 case LFUN_COMPLETION_COMPLETE:
2603                         if (d.current_work_area_)
2604                                 d.current_work_area_->completer().tab();
2605                         break;
2606
2607                 case LFUN_COMPLETION_CANCEL:
2608                         if (d.current_work_area_) {
2609                                 if (d.current_work_area_->completer().popupVisible())
2610                                         d.current_work_area_->completer().hidePopup();
2611                                 else
2612                                         d.current_work_area_->completer().hideInline();
2613                         }
2614                         break;
2615
2616                 case LFUN_COMPLETION_ACCEPT:
2617                         if (d.current_work_area_)
2618                                 d.current_work_area_->completer().activate();
2619                         break;
2620
2621                 case LFUN_BUFFER_ZOOM_IN:
2622                 case LFUN_BUFFER_ZOOM_OUT:
2623                         if (cmd.argument().empty()) {
2624                                 if (cmd.action == LFUN_BUFFER_ZOOM_IN)
2625                                         lyxrc.zoom += 20;
2626                                 else
2627                                         lyxrc.zoom -= 20;
2628                         } else
2629                                 lyxrc.zoom += convert<int>(cmd.argument());
2630
2631                         if (lyxrc.zoom < 10)
2632                                 lyxrc.zoom = 10;
2633
2634                         // The global QPixmapCache is used in GuiPainter to cache text
2635                         // painting so we must reset it.
2636                         QPixmapCache::clear();
2637                         guiApp->fontLoader().update();
2638                         lyx::dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
2639                         break;
2640
2641                 case LFUN_VC_REGISTER:
2642                 case LFUN_VC_CHECK_IN:
2643                 case LFUN_VC_CHECK_OUT:
2644                 case LFUN_VC_LOCKING_TOGGLE:
2645                 case LFUN_VC_REVERT:
2646                 case LFUN_VC_UNDO_LAST:
2647                 case LFUN_VC_COMMAND:
2648                         dispatchVC(cmd);
2649                         break;
2650
2651                 default:
2652                         dispatched = false;
2653                         break;
2654         }
2655
2656         // Part of automatic menu appearance feature.
2657         if (isFullScreen()) {
2658                 if (menuBar()->isVisible() && lyxrc.full_screen_menubar)
2659                         menuBar()->hide();
2660                 if (statusBar()->isVisible())
2661                         statusBar()->hide();
2662         }
2663
2664         return dispatched;
2665 }
2666
2667
2668 void GuiView::lfunUiToggle(FuncRequest const & cmd)
2669 {
2670         string const arg = cmd.getArg(0);
2671         if (arg == "scrollbar") {
2672                 // hide() is of no help
2673                 if (d.current_work_area_->verticalScrollBarPolicy() ==
2674                         Qt::ScrollBarAlwaysOff)
2675
2676                         d.current_work_area_->setVerticalScrollBarPolicy(
2677                                 Qt::ScrollBarAsNeeded);
2678                 else
2679                         d.current_work_area_->setVerticalScrollBarPolicy(
2680                                 Qt::ScrollBarAlwaysOff);
2681                 return;
2682         }
2683         if (arg == "statusbar") {
2684                 statusBar()->setVisible(!statusBar()->isVisible());
2685                 return;
2686         }
2687         if (arg == "menubar") {
2688                 menuBar()->setVisible(!menuBar()->isVisible());
2689                 return;
2690         }
2691 #if QT_VERSION >= 0x040300
2692         if (arg == "frame") {
2693                 int l, t, r, b;
2694                 getContentsMargins(&l, &t, &r, &b);
2695                 //are the frames in default state?
2696                 d.current_work_area_->setFrameStyle(QFrame::NoFrame);
2697                 if (l == 0) {
2698                         setContentsMargins(-2, -2, -2, -2);
2699                 } else {
2700                         setContentsMargins(0, 0, 0, 0);
2701                 }
2702                 return;
2703         }
2704 #endif
2705         if (arg == "fullscreen") {
2706                 toggleFullScreen();
2707                 return;
2708         }
2709
2710         message(bformat("LFUN_UI_TOGGLE " + _("%1$s unknown command!"), from_utf8(arg)));
2711 }
2712
2713
2714 void GuiView::toggleFullScreen()
2715 {
2716         if (isFullScreen()) {
2717                 for (int i = 0; i != d.splitter_->count(); ++i)
2718                         d.tabWorkArea(i)->setFullScreen(false);
2719 #if QT_VERSION >= 0x040300
2720                 setContentsMargins(0, 0, 0, 0);
2721 #endif
2722                 setWindowState(windowState() ^ Qt::WindowFullScreen);
2723                 restoreLayout();
2724                 menuBar()->show();
2725                 statusBar()->show();
2726         } else {
2727                 // bug 5274
2728                 hideDialogs("prefs", 0);
2729                 for (int i = 0; i != d.splitter_->count(); ++i)
2730                         d.tabWorkArea(i)->setFullScreen(true);
2731 #if QT_VERSION >= 0x040300
2732                 setContentsMargins(-2, -2, -2, -2);
2733 #endif
2734                 saveLayout();
2735                 setWindowState(windowState() ^ Qt::WindowFullScreen);
2736                 statusBar()->hide();
2737                 if (lyxrc.full_screen_menubar)
2738                         menuBar()->hide();
2739                 if (lyxrc.full_screen_toolbars) {
2740                         ToolbarMap::iterator end = d.toolbars_.end();
2741                         for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
2742                                 it->second->hide();
2743                 }
2744         }
2745
2746         // give dialogs like the TOC a chance to adapt
2747         updateDialogs();
2748 }
2749
2750
2751 Buffer const * GuiView::updateInset(Inset const * inset)
2752 {
2753         if (!d.current_work_area_)
2754                 return 0;
2755
2756         if (inset)
2757                 d.current_work_area_->scheduleRedraw();
2758
2759         return &d.current_work_area_->bufferView().buffer();
2760 }
2761
2762
2763 void GuiView::restartCursor()
2764 {
2765         /* When we move around, or type, it's nice to be able to see
2766          * the cursor immediately after the keypress.
2767          */
2768         if (d.current_work_area_)
2769                 d.current_work_area_->startBlinkingCursor();
2770
2771         // Take this occasion to update the other GUI elements.
2772         updateDialogs();
2773         updateStatusBar();
2774 }
2775
2776
2777 void GuiView::updateCompletion(Cursor & cur, bool start, bool keep)
2778 {
2779         if (d.current_work_area_)
2780                 d.current_work_area_->completer().updateVisibility(cur, start, keep);
2781 }
2782
2783 namespace {
2784
2785 // This list should be kept in sync with the list of insets in
2786 // src/insets/Inset.cpp.  I.e., if a dialog goes with an inset, the
2787 // dialog should have the same name as the inset.
2788 // Changes should be also recorded in LFUN_DIALOG_SHOW doxygen
2789 // docs in LyXAction.cpp.
2790
2791 char const * const dialognames[] = {
2792 "aboutlyx", "bibitem", "bibtex", "box", "branch", "changes", "character",
2793 "citation", "document", "errorlist", "ert", "external", "file", "findreplace",
2794 "findreplaceadv", "float", "graphics", "href", "include", "index",
2795 "index_print", "info", "listings", "label", "log", "mathdelimiter",
2796 "mathmatrix", "mathspace", "nomenclature", "nomencl_print", "note",
2797 "paragraph", "phantom", "prefs", "print", "ref", "sendto", "space",
2798 "spellchecker", "symbols", "tabular", "tabularcreate", "thesaurus", "texinfo",
2799 "toc", "view-source", "vspace", "wrap" };
2800
2801 char const * const * const end_dialognames =
2802         dialognames + (sizeof(dialognames) / sizeof(char *));
2803
2804 class cmpCStr {
2805 public:
2806         cmpCStr(char const * name) : name_(name) {}
2807         bool operator()(char const * other) {
2808                 return strcmp(other, name_) == 0;
2809         }
2810 private:
2811         char const * name_;
2812 };
2813
2814
2815 bool isValidName(string const & name)
2816 {
2817         return find_if(dialognames, end_dialognames,
2818                             cmpCStr(name.c_str())) != end_dialognames;
2819 }
2820
2821 } // namespace anon
2822
2823
2824 void GuiView::resetDialogs()
2825 {
2826         // Make sure that no LFUN uses any LyXView.
2827         theLyXFunc().setLyXView(0);
2828         saveLayout();
2829         menuBar()->clear();
2830         constructToolbars();
2831         guiApp->menus().fillMenuBar(menuBar(), this, false);
2832         d.layout_->updateContents(true);
2833         // Now update controls with current buffer.
2834         theLyXFunc().setLyXView(this);
2835         restoreLayout();
2836         restartCursor();
2837 }
2838
2839
2840 Dialog * GuiView::findOrBuild(string const & name, bool hide_it)
2841 {
2842         if (!isValidName(name))
2843                 return 0;
2844
2845         map<string, DialogPtr>::iterator it = d.dialogs_.find(name);
2846
2847         if (it != d.dialogs_.end()) {
2848                 if (hide_it)
2849                         it->second->hideView();
2850                 return it->second.get();
2851         }
2852
2853         Dialog * dialog = build(name);
2854         d.dialogs_[name].reset(dialog);
2855         if (lyxrc.allow_geometry_session)
2856                 dialog->restoreSession();
2857         if (hide_it)
2858                 dialog->hideView();
2859         return dialog;
2860 }
2861
2862
2863 void GuiView::showDialog(string const & name, string const & data,
2864         Inset * inset)
2865 {
2866         if (d.in_show_)
2867                 return;
2868
2869         d.in_show_ = true;
2870         try {
2871                 Dialog * dialog = findOrBuild(name, false);
2872                 if (dialog) {
2873                         dialog->showData(data);
2874                         if (inset)
2875                                 d.open_insets_[name] = inset;
2876                 }
2877         }
2878         catch (ExceptionMessage const & ex) {
2879                 d.in_show_ = false;
2880                 throw ex;
2881         }
2882         d.in_show_ = false;
2883 }
2884
2885
2886 bool GuiView::isDialogVisible(string const & name) const
2887 {
2888         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
2889         if (it == d.dialogs_.end())
2890                 return false;
2891         return it->second.get()->isVisibleView() && !it->second.get()->isClosing();
2892 }
2893
2894
2895 void GuiView::hideDialog(string const & name, Inset * inset)
2896 {
2897         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
2898         if (it == d.dialogs_.end())
2899                 return;
2900
2901         if (inset && inset != getOpenInset(name))
2902                 return;
2903
2904         Dialog * const dialog = it->second.get();
2905         if (dialog->isVisibleView())
2906                 dialog->hideView();
2907         d.open_insets_[name] = 0;
2908 }
2909
2910
2911 void GuiView::disconnectDialog(string const & name)
2912 {
2913         if (!isValidName(name))
2914                 return;
2915
2916         if (d.open_insets_.find(name) != d.open_insets_.end())
2917                 d.open_insets_[name] = 0;
2918 }
2919
2920
2921 Inset * GuiView::getOpenInset(string const & name) const
2922 {
2923         if (!isValidName(name))
2924                 return 0;
2925
2926         map<string, Inset *>::const_iterator it = d.open_insets_.find(name);
2927         return it == d.open_insets_.end() ? 0 : it->second;
2928 }
2929
2930
2931 void GuiView::hideAll() const
2932 {
2933         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
2934         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
2935
2936         for(; it != end; ++it)
2937                 it->second->hideView();
2938 }
2939
2940
2941 void GuiView::updateDialogs()
2942 {
2943         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
2944         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
2945
2946         for(; it != end; ++it) {
2947                 Dialog * dialog = it->second.get();
2948                 if (dialog && dialog->isVisibleView())
2949                         dialog->checkStatus();
2950         }
2951         updateToolbars();
2952         updateLayoutList();
2953 }
2954
2955
2956 // will be replaced by a proper factory...
2957 Dialog * createGuiAbout(GuiView & lv);
2958 Dialog * createGuiBibitem(GuiView & lv);
2959 Dialog * createGuiBibtex(GuiView & lv);
2960 Dialog * createGuiBox(GuiView & lv);
2961 Dialog * createGuiBranch(GuiView & lv);
2962 Dialog * createGuiChanges(GuiView & lv);
2963 Dialog * createGuiCharacter(GuiView & lv);
2964 Dialog * createGuiCitation(GuiView & lv);
2965 Dialog * createGuiDelimiter(GuiView & lv);
2966 Dialog * createGuiDocument(GuiView & lv);
2967 Dialog * createGuiErrorList(GuiView & lv);
2968 Dialog * createGuiERT(GuiView & lv);
2969 Dialog * createGuiExternal(GuiView & lv);
2970 Dialog * createGuiFloat(GuiView & lv);
2971 Dialog * createGuiGraphics(GuiView & lv);
2972 Dialog * createGuiInclude(GuiView & lv);
2973 Dialog * createGuiIndex(GuiView & lv);
2974 Dialog * createGuiInfo(GuiView & lv);
2975 Dialog * createGuiLabel(GuiView & lv);
2976 Dialog * createGuiListings(GuiView & lv);
2977 Dialog * createGuiLog(GuiView & lv);
2978 Dialog * createGuiMathHSpace(GuiView & lv);
2979 Dialog * createGuiMathMatrix(GuiView & lv);
2980 Dialog * createGuiNomenclature(GuiView & lv);
2981 Dialog * createGuiNote(GuiView & lv);
2982 Dialog * createGuiParagraph(GuiView & lv);
2983 Dialog * createGuiPhantom(GuiView & lv);
2984 Dialog * createGuiPreferences(GuiView & lv);
2985 Dialog * createGuiPrint(GuiView & lv);
2986 Dialog * createGuiPrintindex(GuiView & lv);
2987 Dialog * createGuiPrintNomencl(GuiView & lv);
2988 Dialog * createGuiRef(GuiView & lv);
2989 Dialog * createGuiSearch(GuiView & lv);
2990 Dialog * createGuiSearchAdv(GuiView & lv);
2991 Dialog * createGuiSendTo(GuiView & lv);
2992 Dialog * createGuiShowFile(GuiView & lv);
2993 Dialog * createGuiSpellchecker(GuiView & lv);
2994 Dialog * createGuiSymbols(GuiView & lv);
2995 Dialog * createGuiTabularCreate(GuiView & lv);
2996 Dialog * createGuiTabular(GuiView & lv);
2997 Dialog * createGuiTexInfo(GuiView & lv);
2998 Dialog * createGuiTextHSpace(GuiView & lv);
2999 Dialog * createGuiToc(GuiView & lv);
3000 Dialog * createGuiThesaurus(GuiView & lv);
3001 Dialog * createGuiHyperlink(GuiView & lv);
3002 Dialog * createGuiVSpace(GuiView & lv);
3003 Dialog * createGuiViewSource(GuiView & lv);
3004 Dialog * createGuiWrap(GuiView & lv);
3005
3006
3007 Dialog * GuiView::build(string const & name)
3008 {
3009         LASSERT(isValidName(name), return 0);
3010
3011         if (name == "aboutlyx")
3012                 return createGuiAbout(*this);
3013         if (name == "bibitem")
3014                 return createGuiBibitem(*this);
3015         if (name == "bibtex")
3016                 return createGuiBibtex(*this);
3017         if (name == "box")
3018                 return createGuiBox(*this);
3019         if (name == "branch")
3020                 return createGuiBranch(*this);
3021         if (name == "changes")
3022                 return createGuiChanges(*this);
3023         if (name == "character")
3024                 return createGuiCharacter(*this);
3025         if (name == "citation")
3026                 return createGuiCitation(*this);
3027         if (name == "document")
3028                 return createGuiDocument(*this);
3029         if (name == "errorlist")
3030                 return createGuiErrorList(*this);
3031         if (name == "ert")
3032                 return createGuiERT(*this);
3033         if (name == "external")
3034                 return createGuiExternal(*this);
3035         if (name == "file")
3036                 return createGuiShowFile(*this);
3037         if (name == "findreplace")
3038                 return createGuiSearch(*this);
3039         if (name == "findreplaceadv")
3040                 return createGuiSearchAdv(*this);
3041         if (name == "float")
3042                 return createGuiFloat(*this);
3043         if (name == "graphics")
3044                 return createGuiGraphics(*this);
3045         if (name == "href")
3046                 return createGuiHyperlink(*this);
3047         if (name == "include")
3048                 return createGuiInclude(*this);
3049         if (name == "index")
3050                 return createGuiIndex(*this);
3051         if (name == "index_print")
3052                 return createGuiPrintindex(*this);
3053         if (name == "info")
3054                 return createGuiInfo(*this);
3055         if (name == "label")
3056                 return createGuiLabel(*this);
3057         if (name == "listings")
3058                 return createGuiListings(*this);
3059         if (name == "log")
3060                 return createGuiLog(*this);
3061         if (name == "mathdelimiter")
3062                 return createGuiDelimiter(*this);
3063         if (name == "mathspace")
3064                 return createGuiMathHSpace(*this);
3065         if (name == "mathmatrix")
3066                 return createGuiMathMatrix(*this);
3067         if (name == "nomenclature")
3068                 return createGuiNomenclature(*this);
3069         if (name == "nomencl_print")
3070                 return createGuiPrintNomencl(*this);
3071         if (name == "note")
3072                 return createGuiNote(*this);
3073         if (name == "paragraph")
3074                 return createGuiParagraph(*this);
3075         if (name == "phantom")
3076                 return createGuiPhantom(*this);
3077         if (name == "prefs")
3078                 return createGuiPreferences(*this);
3079         if (name == "print")
3080                 return createGuiPrint(*this);
3081         if (name == "ref")
3082                 return createGuiRef(*this);
3083         if (name == "sendto")
3084                 return createGuiSendTo(*this);
3085         if (name == "space")
3086                 return createGuiTextHSpace(*this);
3087         if (name == "spellchecker")
3088                 return createGuiSpellchecker(*this);
3089         if (name == "symbols")
3090                 return createGuiSymbols(*this);
3091         if (name == "tabular")
3092                 return createGuiTabular(*this);
3093         if (name == "tabularcreate")
3094                 return createGuiTabularCreate(*this);
3095         if (name == "texinfo")
3096                 return createGuiTexInfo(*this);
3097         if (name == "thesaurus")
3098                 return createGuiThesaurus(*this);
3099         if (name == "toc")
3100                 return createGuiToc(*this);
3101         if (name == "view-source")
3102                 return createGuiViewSource(*this);
3103         if (name == "vspace")
3104                 return createGuiVSpace(*this);
3105         if (name == "wrap")
3106                 return createGuiWrap(*this);
3107
3108         return 0;
3109 }
3110
3111
3112 } // namespace frontend
3113 } // namespace lyx
3114
3115 #include "moc_GuiView.cpp"