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 "DispatchResult.h"
  20 #include "FileDialog.h"
  21 #include "FontLoader.h"
  22 #include "GuiApplication.h"
  23 #include "GuiCommandBuffer.h"
  24 #include "GuiCompleter.h"
  25 #include "GuiKeySymbol.h"
  26 #include "GuiToc.h"
  27 #include "GuiToolbar.h"
  28 #include "GuiWorkArea.h"
  29 #include "LayoutBox.h"
  30 #include "Menus.h"
  31 #include "TocModel.h"
  32
  33 #include "qt_helpers.h"
  34
  35 #include "frontends/alert.h"
  36
  37 #include "buffer_funcs.h"
  38 #include "Buffer.h"
  39 #include "BufferList.h"
  40 #include "BufferParams.h"
  41 #include "BufferView.h"
  42 #include "Compare.h"
  43 #include "Converter.h"
  44 #include "Cursor.h"
  45 #include "CutAndPaste.h"
  46 #include "Encoding.h"
  47 #include "ErrorList.h"
  48 #include "Format.h"
  49 #include "FuncStatus.h"
  50 #include "FuncRequest.h"
  51 #include "Intl.h"
  52 #include "Layout.h"
  53 #include "Lexer.h"
  54 #include "LyXAction.h"
  55 #include "LyX.h"
  56 #include "LyXRC.h"
  57 #include "LyXVC.h"
  58 #include "Paragraph.h"
  59 #include "SpellChecker.h"
  60 #include "TexRow.h"
  61 #include "TextClass.h"
  62 #include "Text.h"
  63 #include "Toolbars.h"
  64 #include "version.h"
  65
  66 #include "support/convert.h"
  67 #include "support/debug.h"
  68 #include "support/ExceptionMessage.h"
  69 #include "support/FileName.h"
  70 #include "support/filetools.h"
  71 #include "support/gettext.h"
  72 #include "support/filetools.h"
  73 #include "support/ForkedCalls.h"
  74 #include "support/lassert.h"
  75 #include "support/lstrings.h"
  76 #include "support/os.h"
  77 #include "support/Package.h"
  78 #include "support/Path.h"
  79 #include "support/Systemcall.h"
  80 #include "support/Timeout.h"
  81 #include "support/ProgressInterface.h"
  82 #include "GuiProgress.h"
  83
  84 #include <QAction>
  85 #include <QApplication>
  86 #include <QCloseEvent>
  87 #include <QDebug>
  88 #include <QDesktopWidget>
  89 #include <QDragEnterEvent>
  90 #include <QDropEvent>
  91 #include <QList>
  92 #include <QMenu>
  93 #include <QMenuBar>
  94 #include <QPainter>
  95 #include <QPixmap>
  96 #include <QPixmapCache>
  97 #include <QPoint>
  98 #include <QPushButton>
  99 #include <QSettings>
 100 #include <QShowEvent>
 101 #include <QSplitter>
 102 #include <QStackedWidget>
 103 #include <QStatusBar>
 104 #include <QTime>
 105 #include <QTimer>
 106 #include <QToolBar>
 107 #include <QUrl>
 108 #include <QScrollBar>
 109
 110
 111
 112 #define EXPORT_in_THREAD 1
 113
 114 // QtConcurrent was introduced in Qt 4.4
 115 #if (QT_VERSION >= 0x040400)
 116 #include <QFuture>
 117 #include <QFutureWatcher>
 118 #include <QtConcurrentRun>
 119 #endif
 120
 121 #include "support/bind.h"
 122
 123 #include <sstream>
 124
 125 #ifdef HAVE_SYS_TIME_H
 126 # include <sys/time.h>
 127 #endif
 128 #ifdef HAVE_UNISTD_H
 129 # include <unistd.h>
 130 #endif
 131
 132 using namespace std;
 133 using namespace lyx::support;
 134
 135 namespace lyx {
 136 namespace frontend {
 137
 138 namespace {
 139
 140 class BackgroundWidget : public QWidget
 141 {
 142 public:
 143         BackgroundWidget()
 144         {
 145                 LYXERR(Debug::GUI, "show banner: " << lyxrc.show_banner);
 146                 if (!lyxrc.show_banner)
 147                         return;
 148                 /// The text to be written on top of the pixmap
 149                 QString const text = lyx_version ?
 150                         qt_("version ") + lyx_version : qt_("unknown version");
 151                 splash_ = getPixmap("images/", "banner", "png");
 152
 153                 QPainter pain(&splash_);
 154                 pain.setPen(QColor(0, 0, 0));
 155                 QFont font;
 156                 // The font used to display the version info
 157                 font.setStyleHint(QFont::SansSerif);
 158                 font.setWeight(QFont::Bold);
 159                 font.setPointSize(int(toqstr(lyxrc.font_sizes[FONT_SIZE_LARGE]).toDouble()));
 160                 int width = QFontMetrics(font).width(text);
 161                 pain.setFont(font);
 162                 pain.drawText(397 - width, 15, text);
 163                 setFocusPolicy(Qt::StrongFocus);
 164         }
 165
 166         void paintEvent(QPaintEvent *)
 167         {
 168                 int x = (width() - splash_.width()) / 2;
 169                 int y = (height() - splash_.height()) / 2;
 170                 QPainter pain(this);
 171                 pain.drawPixmap(x, y, splash_);
 172         }
 173
 174         void keyPressEvent(QKeyEvent * ev)
 175         {
 176                 KeySymbol sym;
 177                 setKeySymbol(&sym, ev);
 178                 if (sym.isOK()) {
 179                         guiApp->processKeySym(sym, q_key_state(ev->modifiers()));
 180                         ev->accept();
 181                 } else {
 182                         ev->ignore();
 183                 }
 184         }
 185
 186 private:
 187         QPixmap splash_;
 188 };
 189
 190
 191 /// Toolbar store providing access to individual toolbars by name.
 192 typedef map<string, GuiToolbar *> ToolbarMap;
 193
 194 typedef shared_ptr<Dialog> DialogPtr;
 195
 196 } // namespace anon
 197
 198
 199 struct GuiView::GuiViewPrivate
 200 {
 201         GuiViewPrivate(GuiView * gv)
 202                 : gv_(gv), current_work_area_(0), current_main_work_area_(0),
 203                 layout_(0), autosave_timeout_(5000),
 204                 in_show_(false)
 205         {
 206                 // hardcode here the platform specific icon size
 207                 smallIconSize = 14;  // scaling problems
 208                 normalIconSize = 20; // ok, default
 209                 bigIconSize = 26;       // better for some math icons
 210
 211                 splitter_ = new QSplitter;
 212                 bg_widget_ = new BackgroundWidget;
 213                 stack_widget_ = new QStackedWidget;
 214                 stack_widget_->addWidget(bg_widget_);
 215                 stack_widget_->addWidget(splitter_);
 216                 setBackground();
 217
 218                 // TODO cleanup, remove the singleton, handle multiple Windows?
 219                 progress_ = ProgressInterface::instance();
 220                 if (!dynamic_cast<GuiProgress*>(progress_)) {
 221                         progress_ = new GuiProgress();  // TODO who deletes it
 222                         ProgressInterface::setInstance(progress_);
 223                 }
 224                 QObject::connect(
 225                                 dynamic_cast<GuiProgress*>(progress_),
 226                                 SIGNAL(updateStatusBarMessage(QString const&)),
 227                                 gv, SLOT(updateStatusBarMessage(QString const&)));
 228                 QObject::connect(
 229                                 dynamic_cast<GuiProgress*>(progress_),
 230                                 SIGNAL(clearMessageText()),
 231                                 gv, SLOT(clearMessageText()));
 232         }
 233
 234         ~GuiViewPrivate()
 235         {
 236                 delete splitter_;
 237                 delete bg_widget_;
 238                 delete stack_widget_;
 239         }
 240
 241         QMenu * toolBarPopup(GuiView * parent)
 242         {
 243                 // FIXME: translation
 244                 QMenu * menu = new QMenu(parent);
 245                 QActionGroup * iconSizeGroup = new QActionGroup(parent);
 246
 247                 QAction * smallIcons = new QAction(iconSizeGroup);
 248                 smallIcons->setText(qt_("Small-sized icons"));
 249                 smallIcons->setCheckable(true);
 250                 QObject::connect(smallIcons, SIGNAL(triggered()),
 251                         parent, SLOT(smallSizedIcons()));
 252                 menu->addAction(smallIcons);
 253
 254                 QAction * normalIcons = new QAction(iconSizeGroup);
 255                 normalIcons->setText(qt_("Normal-sized icons"));
 256                 normalIcons->setCheckable(true);
 257                 QObject::connect(normalIcons, SIGNAL(triggered()),
 258                         parent, SLOT(normalSizedIcons()));
 259                 menu->addAction(normalIcons);
 260
 261                 QAction * bigIcons = new QAction(iconSizeGroup);
 262                 bigIcons->setText(qt_("Big-sized icons"));
 263                 bigIcons->setCheckable(true);
 264                 QObject::connect(bigIcons, SIGNAL(triggered()),
 265                         parent, SLOT(bigSizedIcons()));
 266                 menu->addAction(bigIcons);
 267
 268                 unsigned int cur = parent->iconSize().width();
 269                 if ( cur == parent->d.smallIconSize)
 270                         smallIcons->setChecked(true);
 271                 else if (cur == parent->d.normalIconSize)
 272                         normalIcons->setChecked(true);
 273                 else if (cur == parent->d.bigIconSize)
 274                         bigIcons->setChecked(true);
 275
 276                 return menu;
 277         }
 278
 279         void setBackground()
 280         {
 281                 stack_widget_->setCurrentWidget(bg_widget_);
 282                 bg_widget_->setUpdatesEnabled(true);
 283                 bg_widget_->setFocus();
 284         }
 285
 286         TabWorkArea * tabWorkArea(int i)
 287         {
 288                 return dynamic_cast<TabWorkArea *>(splitter_->widget(i));
 289         }
 290
 291         TabWorkArea * currentTabWorkArea()
 292         {
 293                 if (splitter_->count() == 1)
 294                         // The first TabWorkArea is always the first one, if any.
 295                         return tabWorkArea(0);
 296
 297                 for (int i = 0; i != splitter_->count(); ++i) {
 298                         TabWorkArea * twa = tabWorkArea(i);
 299                         if (current_main_work_area_ == twa->currentWorkArea())
 300                                 return twa;
 301                 }
 302
 303                 // None has the focus so we just take the first one.
 304                 return tabWorkArea(0);
 305         }
 306
 307 #if (QT_VERSION >= 0x040400)
 308         void setPreviewFuture(QFuture<docstring> const & f)
 309         {
 310                 if (preview_watcher_.isRunning()) {
 311                         // we prefer to cancel this preview in order to keep a snappy
 312                         // interface.
 313                         return;
 314                 }
 315                 preview_watcher_.setFuture(f);
 316         }
 317 #endif
 318
 319 public:
 320         GuiView * gv_;
 321         GuiWorkArea * current_work_area_;
 322         GuiWorkArea * current_main_work_area_;
 323         QSplitter * splitter_;
 324         QStackedWidget * stack_widget_;
 325         BackgroundWidget * bg_widget_;
 326         /// view's toolbars
 327         ToolbarMap toolbars_;
 328         ProgressInterface* progress_;
 329         /// The main layout box.
 330         /**
 331          * \warning Don't Delete! The layout box is actually owned by
 332          * whichever toolbar contains it. All the GuiView class needs is a
 333          * means of accessing it.
 334          *
 335          * FIXME: replace that with a proper model so that we are not limited
 336          * to only one dialog.
 337          */
 338         LayoutBox * layout_;
 339
 340         ///
 341         map<string, DialogPtr> dialogs_;
 342
 343         unsigned int smallIconSize;
 344         unsigned int normalIconSize;
 345         unsigned int bigIconSize;
 346         ///
 347         QTimer statusbar_timer_;
 348         /// auto-saving of buffers
 349         Timeout autosave_timeout_;
 350         /// flag against a race condition due to multiclicks, see bug #1119
 351         bool in_show_;
 352
 353         ///
 354         TocModels toc_models_;
 355
 356 #if (QT_VERSION >= 0x040400)
 357         ///
 358         QFutureWatcher<docstring> autosave_watcher_;
 359         QFutureWatcher<docstring> preview_watcher_;
 360         ///
 361         string last_export_format;
 362 #else
 363         struct DummyWatcher { bool isRunning(){return false;} };
 364         DummyWatcher preview_watcher_;
 365 #endif
 366
 367         static QSet<Buffer const *> busyBuffers;
 368         static docstring previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
 369         static docstring exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
 370         static docstring saveAndDestroy(Buffer const * orig, Buffer * buffer, FileName const & fname);
 371
 372         // TODO syncFunc/previewFunc: use bind
 373         bool asyncBufferProcessing(
 374                         string const & argument,
 375                         Buffer const * used_buffer,
 376                         docstring const & msg,
 377                         docstring (*asyncFunc)(Buffer const *, Buffer *, string const &),
 378                         bool (Buffer::*syncFunc)(string const &, bool, bool) const,
 379                         bool (Buffer::*previewFunc)(string const &, bool) const);
 380
 381
 382 };
 383
 384 QSet<Buffer const *> GuiView::GuiViewPrivate::busyBuffers;
 385
 386
 387 GuiView::GuiView(int id)
 388         : d(*new GuiViewPrivate(this)), id_(id), closing_(false)
 389 {
 390         // GuiToolbars *must* be initialised before the menu bar.
 391         normalSizedIcons(); // at least on Mac the default is 32 otherwise, which is huge
 392         constructToolbars();
 393
 394         // set ourself as the current view. This is needed for the menu bar
 395         // filling, at least for the static special menu item on Mac. Otherwise
 396         // they are greyed out.
 397         guiApp->setCurrentView(this);
 398
 399         // Fill up the menu bar.
 400         guiApp->menus().fillMenuBar(menuBar(), this, true);
 401
 402         setCentralWidget(d.stack_widget_);
 403
 404         // Start autosave timer
 405         if (lyxrc.autosave) {
 406                 d.autosave_timeout_.timeout.connect(bind(&GuiView::autoSave, this));
 407                 d.autosave_timeout_.setTimeout(lyxrc.autosave * 1000);
 408                 d.autosave_timeout_.start();
 409         }
 410         connect(&d.statusbar_timer_, SIGNAL(timeout()),
 411                 this, SLOT(clearMessage()));
 412
 413         // We don't want to keep the window in memory if it is closed.
 414         setAttribute(Qt::WA_DeleteOnClose, true);
 415
 416 #if (!defined(Q_WS_WIN) && !defined(Q_WS_MACX))
 417         // assign an icon to main form. We do not do it under Qt/Win or Qt/Mac,
 418         // since the icon is provided in the application bundle.
 419         setWindowIcon(getPixmap("images/", "lyx", "png"));
 420 #endif
 421
 422 #if (QT_VERSION >= 0x040300)
 423         // use tabbed dock area for multiple docks
 424         // (such as "source" and "messages")
 425         setDockOptions(QMainWindow::ForceTabbedDocks);
 426 #endif
 427
 428         // For Drag&Drop.
 429         setAcceptDrops(true);
 430
 431         statusBar()->setSizeGripEnabled(true);
 432         updateStatusBar();
 433
 434 #if (QT_VERSION >= 0x040400)
 435         connect(&d.autosave_watcher_, SIGNAL(finished()), this,
 436                 SLOT(threadFinished()));
 437         connect(&d.preview_watcher_, SIGNAL(finished()), this,
 438                 SLOT(threadFinished()));
 439 #endif
 440
 441         connect(this, SIGNAL(triggerShowDialog(QString const &, QString const &, Inset *)),
 442                 SLOT(doShowDialog(QString const &, QString const &, Inset *)));
 443
 444         // Forbid too small unresizable window because it can happen
 445         // with some window manager under X11.
 446         setMinimumSize(300, 200);
 447
 448         if (lyxrc.allow_geometry_session) {
 449                 // Now take care of session management.
 450                 if (restoreLayout())
 451                         return;
 452         }
 453
 454         // no session handling, default to a sane size.
 455         setGeometry(50, 50, 690, 510);
 456         initToolbars();
 457
 458         // clear session data if any.
 459         QSettings settings;
 460         settings.remove("views");
 461 }
 462
 463
 464 GuiView::~GuiView()
 465 {
 466         delete &d;
 467 }
 468
 469
 470 void GuiView::threadFinished()
 471 {
 472 #if (QT_VERSION >= 0x040400)
 473         QFutureWatcher<docstring> const * watcher =
 474                 static_cast<QFutureWatcher<docstring> const *>(sender());
 475         message(watcher->result());
 476         updateToolbars();
 477         errors(d.last_export_format);
 478 #endif
 479 }
 480
 481
 482 void GuiView::saveLayout() const
 483 {
 484         QSettings settings;
 485         settings.beginGroup("views");
 486         settings.beginGroup(QString::number(id_));
 487 #ifdef Q_WS_X11
 488         settings.setValue("pos", pos());
 489         settings.setValue("size", size());
 490 #else
 491         settings.setValue("geometry", saveGeometry());
 492 #endif
 493         settings.setValue("layout", saveState(0));
 494         settings.setValue("icon_size", iconSize());
 495 }
 496
 497
 498 bool GuiView::restoreLayout()
 499 {
 500         QSettings settings;
 501         settings.beginGroup("views");
 502         settings.beginGroup(QString::number(id_));
 503         QString const icon_key = "icon_size";
 504         if (!settings.contains(icon_key))
 505                 return false;
 506
 507         //code below is skipped when when ~/.config/LyX is (re)created
 508         setIconSize(settings.value(icon_key).toSize());
 509 #ifdef Q_WS_X11
 510         QPoint pos = settings.value("pos", QPoint(50, 50)).toPoint();
 511         QSize size = settings.value("size", QSize(690, 510)).toSize();
 512         resize(size);
 513         move(pos);
 514 #else
 515         // Work-around for bug #6034: the window ends up in an undetermined
 516         // state when trying to restore a maximized window when it is
 517         // already maximized.
 518         if (!(windowState() & Qt::WindowMaximized))
 519                 if (!restoreGeometry(settings.value("geometry").toByteArray()))
 520                         setGeometry(50, 50, 690, 510);
 521 #endif
 522         // Make sure layout is correctly oriented.
 523         setLayoutDirection(qApp->layoutDirection());
 524
 525         // Allow the toc and view-source dock widget to be restored if needed.
 526         Dialog * dialog;
 527         if ((dialog = findOrBuild("toc", true)))
 528                 // see bug 5082. At least setup title and enabled state.
 529                 // Visibility will be adjusted by restoreState below.
 530                 dialog->prepareView();
 531         if ((dialog = findOrBuild("view-source", true)))
 532                 dialog->prepareView();
 533         if ((dialog = findOrBuild("progress", true)))
 534                 dialog->prepareView();
 535
 536         if (!restoreState(settings.value("layout").toByteArray(), 0))
 537                 initToolbars();
 538         updateDialogs();
 539         return true;
 540 }
 541
 542
 543 GuiToolbar * GuiView::toolbar(string const & name)
 544 {
 545         ToolbarMap::iterator it = d.toolbars_.find(name);
 546         if (it != d.toolbars_.end())
 547                 return it->second;
 548
 549         LYXERR(Debug::GUI, "Toolbar::display: no toolbar named " << name);
 550         return 0;
 551 }
 552
 553
 554 void GuiView::constructToolbars()
 555 {
 556         ToolbarMap::iterator it = d.toolbars_.begin();
 557         for (; it != d.toolbars_.end(); ++it)
 558                 delete it->second;
 559         d.toolbars_.clear();
 560
 561         // I don't like doing this here, but the standard toolbar
 562         // destroys this object when it's destroyed itself (vfr)
 563         d.layout_ = new LayoutBox(*this);
 564         d.stack_widget_->addWidget(d.layout_);
 565         d.layout_->move(0,0);
 566
 567         // extracts the toolbars from the backend
 568         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 569         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 570         for (; cit != end; ++cit)
 571                 d.toolbars_[cit->name] =  new GuiToolbar(*cit, *this);
 572 }
 573
 574
 575 void GuiView::initToolbars()
 576 {
 577         // extracts the toolbars from the backend
 578         Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
 579         Toolbars::Infos::iterator end = guiApp->toolbars().end();
 580         for (; cit != end; ++cit) {
 581                 GuiToolbar * tb = toolbar(cit->name);
 582                 if (!tb)
 583                         continue;
 584                 int const visibility = guiApp->toolbars().defaultVisibility(cit->name);
 585                 bool newline = !(visibility & Toolbars::SAMEROW);
 586                 tb->setVisible(false);
 587                 tb->setVisibility(visibility);
 588
 589                 if (visibility & Toolbars::TOP) {
 590                         if (newline)
 591                                 addToolBarBreak(Qt::TopToolBarArea);
 592                         addToolBar(Qt::TopToolBarArea, tb);
 593                 }
 594
 595                 if (visibility & Toolbars::BOTTOM) {
 596                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 597 #if (QT_VERSION >= 0x040202)
 598                         if (newline)
 599                                 addToolBarBreak(Qt::BottomToolBarArea);
 600 #endif
 601                         addToolBar(Qt::BottomToolBarArea, tb);
 602                 }
 603
 604                 if (visibility & Toolbars::LEFT) {
 605                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 606 #if (QT_VERSION >= 0x040202)
 607                         if (newline)
 608                                 addToolBarBreak(Qt::LeftToolBarArea);
 609 #endif
 610                         addToolBar(Qt::LeftToolBarArea, tb);
 611                 }
 612
 613                 if (visibility & Toolbars::RIGHT) {
 614                         // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 615 #if (QT_VERSION >= 0x040202)
 616                         if (newline)
 617                                 addToolBarBreak(Qt::RightToolBarArea);
 618 #endif
 619                         addToolBar(Qt::RightToolBarArea, tb);
 620                 }
 621
 622                 if (visibility & Toolbars::ON)
 623                         tb->setVisible(true);
 624         }
 625 }
 626
 627
 628 TocModels & GuiView::tocModels()
 629 {
 630         return d.toc_models_;
 631 }
 632
 633
 634 void GuiView::setFocus()
 635 {
 636         LYXERR(Debug::DEBUG, "GuiView::setFocus()" << this);
 637         QMainWindow::setFocus();
 638 }
 639
 640
 641 void GuiView::focusInEvent(QFocusEvent * e)
 642 {
 643         LYXERR(Debug::DEBUG, "GuiView::focusInEvent()" << this);
 644         QMainWindow::focusInEvent(e);
 645         // Make sure guiApp points to the correct view.
 646         guiApp->setCurrentView(this);
 647         if (currentMainWorkArea())
 648                 currentMainWorkArea()->setFocus();
 649         else if (currentWorkArea())
 650                 currentWorkArea()->setFocus();
 651         else
 652                 d.bg_widget_->setFocus();
 653 }
 654
 655
 656 QMenu * GuiView::createPopupMenu()
 657 {
 658         return d.toolBarPopup(this);
 659 }
 660
 661
 662 void GuiView::showEvent(QShowEvent * e)
 663 {
 664         LYXERR(Debug::GUI, "Passed Geometry "
 665                 << size().height() << "x" << size().width()
 666                 << "+" << pos().x() << "+" << pos().y());
 667
 668         if (d.splitter_->count() == 0)
 669                 // No work area, switch to the background widget.
 670                 d.setBackground();
 671
 672         QMainWindow::showEvent(e);
 673 }
 674
 675
 676 bool GuiView::closeScheduled()
 677 {
 678         closing_ = true;
 679         return close();
 680 }
 681
 682
 683 /** Destroy only all tabbed WorkAreas. Destruction of other WorkAreas
 684  ** is responsibility of the container (e.g., dialog)
 685  **/
 686 void GuiView::closeEvent(QCloseEvent * close_event)
 687 {
 688         LYXERR(Debug::DEBUG, "GuiView::closeEvent()");
 689
 690         if (!GuiViewPrivate::busyBuffers.isEmpty()) {
 691                 Alert::warning(_("Exit LyX"), _("LyX could not be closed because documents are processed by LyX."));
 692                 close_event->setAccepted(false);
 693                 return;
 694         }
 695
 696         // If the user pressed the x (so we didn't call closeView
 697         // programmatically), we want to clear all existing entries.
 698         if (!closing_)
 699                 theSession().lastOpened().clear();
 700         closing_ = true;
 701
 702         writeSession();
 703
 704         // it can happen that this event arrives without selecting the view,
 705         // e.g. when clicking the close button on a background window.
 706         setFocus();
 707         if (!closeWorkAreaAll()) {
 708                 closing_ = false;
 709                 close_event->ignore();
 710                 return;
 711         }
 712
 713         // Make sure that nothing will use this to be closed View.
 714         guiApp->unregisterView(this);
 715
 716         if (isFullScreen()) {
 717                 // Switch off fullscreen before closing.
 718                 toggleFullScreen();
 719                 updateDialogs();
 720         }
 721
 722         // Make sure the timer time out will not trigger a statusbar update.
 723         d.statusbar_timer_.stop();
 724
 725         // Saving fullscreen requires additional tweaks in the toolbar code.
 726         // It wouldn't also work under linux natively.
 727         if (lyxrc.allow_geometry_session) {
 728                 // Save this window geometry and layout.
 729                 saveLayout();
 730                 // Then the toolbar private states.
 731                 ToolbarMap::iterator end = d.toolbars_.end();
 732                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
 733                         it->second->saveSession();
 734                 // Now take care of all other dialogs:
 735                 map<string, DialogPtr>::const_iterator it = d.dialogs_.begin();
 736                 for (; it!= d.dialogs_.end(); ++it)
 737                         it->second->saveSession();
 738         }
 739
 740         close_event->accept();
 741 }
 742
 743
 744 void GuiView::dragEnterEvent(QDragEnterEvent * event)
 745 {
 746         if (event->mimeData()->hasUrls())
 747                 event->accept();
 748         /// \todo Ask lyx-devel is this is enough:
 749         /// if (event->mimeData()->hasFormat("text/plain"))
 750         ///     event->acceptProposedAction();
 751 }
 752
 753
 754 void GuiView::dropEvent(QDropEvent * event)
 755 {
 756         QList<QUrl> files = event->mimeData()->urls();
 757         if (files.isEmpty())
 758                 return;
 759
 760         LYXERR(Debug::GUI, "GuiView::dropEvent: got URLs!");
 761         for (int i = 0; i != files.size(); ++i) {
 762                 string const file = os::internal_path(fromqstr(
 763                         files.at(i).toLocalFile()));
 764                 if (file.empty())
 765                         continue;
 766
 767                 string const ext = support::getExtension(file);
 768                 vector<const Format *> found_formats;
 769
 770                 // Find all formats that have the correct extension.
 771                 vector<const Format *> const & import_formats
 772                         = theConverters().importableFormats();
 773                 vector<const Format *>::const_iterator it = import_formats.begin();
 774                 for (; it != import_formats.end(); ++it)
 775                         if ((*it)->extension() == ext)
 776                                 found_formats.push_back(*it);
 777
 778                 FuncRequest cmd;
 779                 if (found_formats.size() >= 1) {
 780                         if (found_formats.size() > 1) {
 781                                 //FIXME: show a dialog to choose the correct importable format
 782                                 LYXERR(Debug::FILES,
 783                                         "Multiple importable formats found, selecting first");
 784                         }
 785                         string const arg = found_formats[0]->name() + " " + file;
 786                         cmd = FuncRequest(LFUN_BUFFER_IMPORT, arg);
 787                 }
 788                 else {
 789                         //FIXME: do we have to explicitly check whether it's a lyx file?
 790                         LYXERR(Debug::FILES,
 791                                 "No formats found, trying to open it as a lyx file");
 792                         cmd = FuncRequest(LFUN_FILE_OPEN, file);
 793                 }
 794
 795                 // Asynchronously post the event. DropEvent usually comes
 796                 // from the BufferView. But reloading a file might close
 797                 // the BufferView from within its own event handler.
 798                 guiApp->dispatchDelayed(cmd);
 799                 event->accept();
 800         }
 801 }
 802
 803
 804 void GuiView::message(docstring const & str)
 805 {
 806         if (ForkedProcess::iAmAChild())
 807                 return;
 808
 809         // call is moved to GUI-thread by GuiProgress
 810         d.progress_->appendMessage(toqstr(str));
 811 }
 812
 813
 814 void GuiView::clearMessageText()
 815 {
 816         message(docstring());
 817 }
 818
 819
 820 void GuiView::updateStatusBarMessage(QString const & str)
 821 {
 822         statusBar()->showMessage(str);
 823         d.statusbar_timer_.stop();
 824         d.statusbar_timer_.start(3000);
 825 }
 826
 827
 828 void GuiView::smallSizedIcons()
 829 {
 830         setIconSize(QSize(d.smallIconSize, d.smallIconSize));
 831 }
 832
 833
 834 void GuiView::normalSizedIcons()
 835 {
 836         setIconSize(QSize(d.normalIconSize, d.normalIconSize));
 837 }
 838
 839
 840 void GuiView::bigSizedIcons()
 841 {
 842         setIconSize(QSize(d.bigIconSize, d.bigIconSize));
 843 }
 844
 845
 846 void GuiView::clearMessage()
 847 {
 848         // FIXME: This code was introduced in r19643 to fix bug #4123. However,
 849         // the hasFocus function mostly returns false, even if the focus is on
 850         // a workarea in this view.
 851         //if (!hasFocus())
 852         //      return;
 853         showMessage();
 854         d.statusbar_timer_.stop();
 855 }
 856
 857
 858 void GuiView::updateWindowTitle(GuiWorkArea * wa)
 859 {
 860         if (wa != d.current_work_area_
 861                 || wa->bufferView().buffer().isInternal())
 862                 return;
 863         setWindowTitle(qt_("LyX: ") + wa->windowTitle());
 864         setWindowIconText(wa->windowIconText());
 865 }
 866
 867
 868 void GuiView::on_currentWorkAreaChanged(GuiWorkArea * wa)
 869 {
 870         disconnectBuffer();
 871         disconnectBufferView();
 872         connectBufferView(wa->bufferView());
 873         connectBuffer(wa->bufferView().buffer());
 874         d.current_work_area_ = wa;
 875         QObject::connect(wa, SIGNAL(titleChanged(GuiWorkArea *)),
 876                 this, SLOT(updateWindowTitle(GuiWorkArea *)));
 877         updateWindowTitle(wa);
 878
 879         structureChanged();
 880
 881         // The document settings needs to be reinitialised.
 882         updateDialog("document", "");
 883
 884         // Buffer-dependent dialogs must be updated. This is done here because
 885         // some dialogs require buffer()->text.
 886         updateDialogs();
 887 }
 888
 889
 890 void GuiView::on_lastWorkAreaRemoved()
 891 {
 892         if (closing_)
 893                 // We already are in a close event. Nothing more to do.
 894                 return;
 895
 896         if (d.splitter_->count() > 1)
 897                 // We have a splitter so don't close anything.
 898                 return;
 899
 900         // Reset and updates the dialogs.
 901         d.toc_models_.reset(0);
 902         updateDialog("document", "");
 903         updateDialogs();
 904
 905         resetWindowTitleAndIconText();
 906         updateStatusBar();
 907
 908         if (lyxrc.open_buffers_in_tabs)
 909                 // Nothing more to do, the window should stay open.
 910                 return;
 911
 912         if (guiApp->viewIds().size() > 1) {
 913                 close();
 914                 return;
 915         }
 916
 917 #ifdef Q_WS_MACX
 918         // On Mac we also close the last window because the application stay
 919         // resident in memory. On other platforms we don't close the last
 920         // window because this would quit the application.
 921         close();
 922 #endif
 923 }
 924
 925
 926 void GuiView::updateStatusBar()
 927 {
 928         // let the user see the explicit message
 929         if (d.statusbar_timer_.isActive())
 930                 return;
 931
 932         showMessage();
 933 }
 934
 935
 936 void GuiView::showMessage()
 937 {
 938         QString msg = toqstr(theGuiApp()->viewStatusMessage());
 939         if (msg.isEmpty()) {
 940                 BufferView const * bv = currentBufferView();
 941                 if (bv)
 942                         msg = toqstr(bv->cursor().currentState());
 943                 else
 944                         msg = qt_("Welcome to LyX!");
 945         }
 946         statusBar()->showMessage(msg);
 947 }
 948
 949
 950 bool GuiView::event(QEvent * e)
 951 {
 952         switch (e->type())
 953         {
 954         // Useful debug code:
 955         //case QEvent::ActivationChange:
 956         //case QEvent::WindowDeactivate:
 957         //case QEvent::Paint:
 958         //case QEvent::Enter:
 959         //case QEvent::Leave:
 960         //case QEvent::HoverEnter:
 961         //case QEvent::HoverLeave:
 962         //case QEvent::HoverMove:
 963         //case QEvent::StatusTip:
 964         //case QEvent::DragEnter:
 965         //case QEvent::DragLeave:
 966         //case QEvent::Drop:
 967         //      break;
 968
 969         case QEvent::WindowActivate: {
 970                 GuiView * old_view = guiApp->currentView();
 971                 if (this == old_view) {
 972                         setFocus();
 973                         return QMainWindow::event(e);
 974                 }
 975                 if (old_view && old_view->currentBufferView()) {
 976                         // save current selection to the selection buffer to allow
 977                         // middle-button paste in this window.
 978                         cap::saveSelection(old_view->currentBufferView()->cursor());
 979                 }
 980                 guiApp->setCurrentView(this);
 981                 if (d.current_work_area_) {
 982                         BufferView & bv = d.current_work_area_->bufferView();
 983                         connectBufferView(bv);
 984                         connectBuffer(bv.buffer());
 985                         // The document structure, name and dialogs might have
 986                         // changed in another view.
 987                         structureChanged();
 988                         // The document settings needs to be reinitialised.
 989                         updateDialog("document", "");
 990                         updateDialogs();
 991                 } else {
 992                         resetWindowTitleAndIconText();
 993                 }
 994                 setFocus();
 995                 return QMainWindow::event(e);
 996         }
 997
 998         case QEvent::ShortcutOverride: {
 999
1000 // See bug 4888
1001 #if (!defined Q_WS_X11) || (QT_VERSION >= 0x040500)
1002                 if (isFullScreen() && menuBar()->isHidden()) {
1003                         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
1004                         // FIXME: we should also try to detect special LyX shortcut such as
1005                         // Alt-P and Alt-M. Right now there is a hack in
1006                         // GuiWorkArea::processKeySym() that hides again the menubar for
1007                         // those cases.
1008                         if (ke->modifiers() & Qt::AltModifier && ke->key() != Qt::Key_Alt) {
1009                                 menuBar()->show();
1010                                 return QMainWindow::event(e);
1011                         }
1012                 }
1013 #endif
1014                 return QMainWindow::event(e);
1015         }
1016
1017         default:
1018                 return QMainWindow::event(e);
1019         }
1020 }
1021
1022 void GuiView::resetWindowTitleAndIconText()
1023 {
1024         setWindowTitle(qt_("LyX"));
1025         setWindowIconText(qt_("LyX"));
1026 }
1027
1028 bool GuiView::focusNextPrevChild(bool /*next*/)
1029 {
1030         setFocus();
1031         return true;
1032 }
1033
1034
1035 bool GuiView::busy() const
1036 {
1037         return busy_;
1038 }
1039
1040
1041 void GuiView::setBusy(bool busy)
1042 {
1043         busy_ = busy;
1044         if (d.current_work_area_) {
1045                 d.current_work_area_->setUpdatesEnabled(!busy);
1046                 if (busy)
1047                         d.current_work_area_->stopBlinkingCursor();
1048                 else
1049                         d.current_work_area_->startBlinkingCursor();
1050         }
1051
1052         if (busy)
1053                 QApplication::setOverrideCursor(Qt::WaitCursor);
1054         else
1055                 QApplication::restoreOverrideCursor();
1056 }
1057
1058
1059 GuiWorkArea * GuiView::workArea(Buffer & buffer)
1060 {
1061         if (currentWorkArea()
1062                 && &currentWorkArea()->bufferView().buffer() == &buffer)
1063                 return (GuiWorkArea *) currentWorkArea();
1064         if (TabWorkArea * twa = d.currentTabWorkArea())
1065                 return twa->workArea(buffer);
1066         return 0;
1067 }
1068
1069
1070 GuiWorkArea * GuiView::addWorkArea(Buffer & buffer)
1071 {
1072         // Automatically create a TabWorkArea if there are none yet.
1073         TabWorkArea * tab_widget = d.splitter_->count()
1074                 ? d.currentTabWorkArea() : addTabWorkArea();
1075         return tab_widget->addWorkArea(buffer, *this);
1076 }
1077
1078
1079 TabWorkArea * GuiView::addTabWorkArea()
1080 {
1081         TabWorkArea * twa = new TabWorkArea;
1082         QObject::connect(twa, SIGNAL(currentWorkAreaChanged(GuiWorkArea *)),
1083                 this, SLOT(on_currentWorkAreaChanged(GuiWorkArea *)));
1084         QObject::connect(twa, SIGNAL(lastWorkAreaRemoved()),
1085                          this, SLOT(on_lastWorkAreaRemoved()));
1086
1087         d.splitter_->addWidget(twa);
1088         d.stack_widget_->setCurrentWidget(d.splitter_);
1089         return twa;
1090 }
1091
1092
1093 GuiWorkArea const * GuiView::currentWorkArea() const
1094 {
1095         return d.current_work_area_;
1096 }
1097
1098
1099 GuiWorkArea * GuiView::currentWorkArea()
1100 {
1101         return d.current_work_area_;
1102 }
1103
1104
1105 GuiWorkArea const * GuiView::currentMainWorkArea() const
1106 {
1107         if (!d.currentTabWorkArea())
1108                 return 0;
1109         return d.currentTabWorkArea()->currentWorkArea();
1110 }
1111
1112
1113 GuiWorkArea * GuiView::currentMainWorkArea()
1114 {
1115         if (!d.currentTabWorkArea())
1116                 return 0;
1117         return d.currentTabWorkArea()->currentWorkArea();
1118 }
1119
1120
1121 void GuiView::setCurrentWorkArea(GuiWorkArea * wa)
1122 {
1123         LYXERR(Debug::DEBUG, "Setting current wa: " << wa << endl);
1124         if (!wa) {
1125                 d.current_work_area_ = 0;
1126                 d.setBackground();
1127                 return;
1128         }
1129
1130         // FIXME: I've no clue why this is here and why it accesses
1131         //  theGuiApp()->currentView, which might be 0 (bug 6464).
1132         //  See also 27525 (vfr).
1133         if (theGuiApp()->currentView() == this
1134                   && theGuiApp()->currentView()->currentWorkArea() == wa)
1135                 return;
1136
1137         if (currentBufferView())
1138                 cap::saveSelection(currentBufferView()->cursor());
1139
1140         theGuiApp()->setCurrentView(this);
1141         d.current_work_area_ = wa;
1142         for (int i = 0; i != d.splitter_->count(); ++i) {
1143                 if (d.tabWorkArea(i)->setCurrentWorkArea(wa)) {
1144                         //if (d.current_main_work_area_)
1145                         //      d.current_main_work_area_->setFrameStyle(QFrame::NoFrame);
1146                         d.current_main_work_area_ = wa;
1147                         //d.current_main_work_area_->setFrameStyle(QFrame::Box | QFrame::Plain);
1148                         //d.current_main_work_area_->setLineWidth(2);
1149                         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() << ", Current main wa: " << currentMainWorkArea());
1150                         return;
1151                 }
1152         }
1153         LYXERR(Debug::DEBUG, "This is not a tabbed wa");
1154         on_currentWorkAreaChanged(wa);
1155         BufferView & bv = wa->bufferView();
1156         bv.cursor().fixIfBroken();
1157         bv.updateMetrics();
1158         wa->setUpdatesEnabled(true);
1159         LYXERR(Debug::DEBUG, "Current wa: " << currentWorkArea() << ", Current main wa: " << currentMainWorkArea());
1160 }
1161
1162
1163 void GuiView::removeWorkArea(GuiWorkArea * wa)
1164 {
1165         LASSERT(wa, return);
1166         if (wa == d.current_work_area_) {
1167                 disconnectBuffer();
1168                 disconnectBufferView();
1169                 d.current_work_area_ = 0;
1170                 d.current_main_work_area_ = 0;
1171         }
1172
1173         bool found_twa = false;
1174         for (int i = 0; i != d.splitter_->count(); ++i) {
1175                 TabWorkArea * twa = d.tabWorkArea(i);
1176                 if (twa->removeWorkArea(wa)) {
1177                         // Found in this tab group, and deleted the GuiWorkArea.
1178                         found_twa = true;
1179                         if (twa->count() != 0) {
1180                                 if (d.current_work_area_ == 0)
1181                                         // This means that we are closing the current GuiWorkArea, so
1182                                         // switch to the next GuiWorkArea in the found TabWorkArea.
1183                                         setCurrentWorkArea(twa->currentWorkArea());
1184                         } else {
1185                                 // No more WorkAreas in this tab group, so delete it.
1186                                 delete twa;
1187                         }
1188                         break;
1189                 }
1190         }
1191
1192         // It is not a tabbed work area (i.e., the search work area), so it
1193         // should be deleted by other means.
1194         LASSERT(found_twa, /* */);
1195
1196         if (d.current_work_area_ == 0) {
1197                 if (d.splitter_->count() != 0) {
1198                         TabWorkArea * twa = d.currentTabWorkArea();
1199                         setCurrentWorkArea(twa->currentWorkArea());
1200                 } else {
1201                         // No more work areas, switch to the background widget.
1202                         setCurrentWorkArea(0);
1203                 }
1204         }
1205 }
1206
1207
1208 LayoutBox * GuiView::getLayoutDialog() const
1209 {
1210         return d.layout_;
1211 }
1212
1213
1214 void GuiView::updateLayoutList()
1215 {
1216         if (d.layout_)
1217                 d.layout_->updateContents(false);
1218 }
1219
1220
1221 void GuiView::updateToolbars()
1222 {
1223         ToolbarMap::iterator end = d.toolbars_.end();
1224         if (d.current_work_area_) {
1225                 bool const math =
1226                         d.current_work_area_->bufferView().cursor().inMathed()
1227                         && !d.current_work_area_->bufferView().cursor().inRegexped();
1228                 bool const table =
1229                         lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
1230                 bool const review =
1231                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
1232                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onOff(true);
1233                 bool const mathmacrotemplate =
1234                         lyx::getStatus(FuncRequest(LFUN_IN_MATHMACROTEMPLATE)).enabled();
1235
1236                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1237                         it->second->update(math, table, review, mathmacrotemplate);
1238         } else
1239                 for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
1240                         it->second->update(false, false, false, false);
1241 }
1242
1243
1244 void GuiView::setBuffer(Buffer * newBuffer)
1245 {
1246         LYXERR(Debug::DEBUG, "Setting buffer: " << newBuffer << endl);
1247         LASSERT(newBuffer, return);
1248         setBusy(true);
1249
1250         GuiWorkArea * wa = workArea(*newBuffer);
1251         if (wa == 0) {
1252                 newBuffer->masterBuffer()->updateBuffer();
1253                 wa = addWorkArea(*newBuffer);
1254         } else {
1255                 //Disconnect the old buffer...there's no new one.
1256                 disconnectBuffer();
1257         }
1258         connectBuffer(*newBuffer);
1259         connectBufferView(wa->bufferView());
1260         setCurrentWorkArea(wa);
1261
1262         setBusy(false);
1263 }
1264
1265
1266 void GuiView::connectBuffer(Buffer & buf)
1267 {
1268         buf.setGuiDelegate(this);
1269 }
1270
1271
1272 void GuiView::disconnectBuffer()
1273 {
1274         if (d.current_work_area_)
1275                 d.current_work_area_->bufferView().buffer().setGuiDelegate(0);
1276 }
1277
1278
1279 void GuiView::connectBufferView(BufferView & bv)
1280 {
1281         bv.setGuiDelegate(this);
1282 }
1283
1284
1285 void GuiView::disconnectBufferView()
1286 {
1287         if (d.current_work_area_)
1288                 d.current_work_area_->bufferView().setGuiDelegate(0);
1289 }
1290
1291
1292 void GuiView::errors(string const & error_type, bool from_master)
1293 {
1294         ErrorList & el = from_master ?
1295                 currentBufferView()->buffer().masterBuffer()->errorList(error_type)
1296                 : currentBufferView()->buffer().errorList(error_type);
1297         string data = error_type;
1298         if (from_master)
1299                 data = "from_master|" + error_type;
1300         if (!el.empty())
1301                 showDialog("errorlist", data);
1302 }
1303
1304
1305 void GuiView::updateTocItem(string const & type, DocIterator const & dit)
1306 {
1307         d.toc_models_.updateItem(toqstr(type), dit);
1308 }
1309
1310
1311 void GuiView::structureChanged()
1312 {
1313         d.toc_models_.reset(documentBufferView());
1314         // Navigator needs more than a simple update in this case. It needs to be
1315         // rebuilt.
1316         updateDialog("toc", "");
1317 }
1318
1319
1320 void GuiView::updateDialog(string const & name, string const & data)
1321 {
1322         if (!isDialogVisible(name))
1323                 return;
1324
1325         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
1326         if (it == d.dialogs_.end())
1327                 return;
1328
1329         Dialog * const dialog = it->second.get();
1330         if (dialog->isVisibleView())
1331                 dialog->initialiseParams(data);
1332 }
1333
1334
1335 BufferView * GuiView::documentBufferView()
1336 {
1337         return currentMainWorkArea()
1338                 ? &currentMainWorkArea()->bufferView()
1339                 : 0;
1340 }
1341
1342
1343 BufferView const * GuiView::documentBufferView() const
1344 {
1345         return currentMainWorkArea()
1346                 ? &currentMainWorkArea()->bufferView()
1347                 : 0;
1348 }
1349
1350
1351 BufferView * GuiView::currentBufferView()
1352 {
1353         return d.current_work_area_ ? &d.current_work_area_->bufferView() : 0;
1354 }
1355
1356
1357 BufferView const * GuiView::currentBufferView() const
1358 {
1359         return d.current_work_area_ ? &d.current_work_area_->bufferView() : 0;
1360 }
1361
1362
1363 #if (QT_VERSION >= 0x040400)
1364 docstring GuiView::GuiViewPrivate::saveAndDestroy(Buffer const * orig, Buffer * buffer, FileName const & fname)
1365 {
1366         bool failed = true;
1367         FileName const tmp_ret = FileName::tempName("lyxauto");
1368         if (!tmp_ret.empty()) {
1369                 if (buffer->writeFile(tmp_ret))
1370                         failed = !tmp_ret.moveTo(fname);
1371         }
1372         if (failed) {
1373                 // failed to write/rename tmp_ret so try writing direct
1374                 failed = buffer->writeFile(fname);
1375         }
1376         delete buffer;
1377         busyBuffers.remove(orig);
1378         return failed
1379                 ? _("Automatic save failed!")
1380                 : _("Automatic save done.");
1381 }
1382 #endif
1383
1384
1385 void GuiView::autoSave()
1386 {
1387         LYXERR(Debug::INFO, "Running autoSave()");
1388
1389         Buffer * buffer = documentBufferView()
1390                 ? &documentBufferView()->buffer() : 0;
1391         if (!buffer)
1392                 return;
1393
1394 #if (QT_VERSION >= 0x040400)
1395         GuiViewPrivate::busyBuffers.insert(buffer);
1396         QFuture<docstring> f = QtConcurrent::run(GuiViewPrivate::saveAndDestroy, buffer, buffer->clone(),
1397                 buffer->getAutosaveFileName());
1398         d.autosave_watcher_.setFuture(f);
1399 #else
1400         buffer->autoSave();
1401 #endif
1402 }
1403
1404
1405 void GuiView::resetAutosaveTimers()
1406 {
1407         if (lyxrc.autosave)
1408                 d.autosave_timeout_.restart();
1409 }
1410
1411
1412 bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1413 {
1414         bool enable = true;
1415         Buffer * buf = currentBufferView()
1416                 ? &currentBufferView()->buffer() : 0;
1417         Buffer * doc_buffer = documentBufferView()
1418                 ? &(documentBufferView()->buffer()) : 0;
1419
1420         // Check whether we need a buffer
1421         if (!lyxaction.funcHasFlag(cmd.action(), LyXAction::NoBuffer) && !buf) {
1422                 // no, exit directly
1423                 flag.message(from_utf8(N_("Command not allowed with"
1424                                         "out any document open")));
1425                 flag.setEnabled(false);
1426                 return true;
1427         }
1428
1429         if (cmd.origin() == FuncRequest::TOC) {
1430                 GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
1431                 if (!toc || !toc->getStatus(documentBufferView()->cursor(), cmd, flag))
1432                         flag.setEnabled(false);
1433                 return true;
1434         }
1435
1436         switch(cmd.action()) {
1437         case LFUN_BUFFER_IMPORT:
1438                 break;
1439
1440         case LFUN_MASTER_BUFFER_UPDATE:
1441         case LFUN_MASTER_BUFFER_VIEW:
1442                 enable = doc_buffer && doc_buffer->parent() != 0
1443                         && !d.preview_watcher_.isRunning();
1444                 break;
1445
1446         case LFUN_BUFFER_UPDATE:
1447         case LFUN_BUFFER_VIEW: {
1448                 if (!doc_buffer || d.preview_watcher_.isRunning()) {
1449                         enable = false;
1450                         break;
1451                 }
1452                 string format = to_utf8(cmd.argument());
1453                 if (cmd.argument().empty())
1454                         format = doc_buffer->getDefaultOutputFormat();
1455                 enable = doc_buffer->isExportableFormat(format);
1456                 break;
1457         }
1458
1459         case LFUN_BUFFER_RELOAD:
1460                 enable = doc_buffer && !doc_buffer->isUnnamed()
1461                         && doc_buffer->fileName().exists()
1462                         && (!doc_buffer->isClean()
1463                            || doc_buffer->isExternallyModified(Buffer::timestamp_method));
1464                 break;
1465
1466         case LFUN_BUFFER_CHILD_OPEN:
1467                 enable = doc_buffer;
1468                 break;
1469
1470         case LFUN_BUFFER_WRITE:
1471                 enable = doc_buffer && (doc_buffer->isUnnamed() || !doc_buffer->isClean());
1472                 break;
1473
1474         //FIXME: This LFUN should be moved to GuiApplication.
1475         case LFUN_BUFFER_WRITE_ALL: {
1476                 // We enable the command only if there are some modified buffers
1477                 Buffer * first = theBufferList().first();
1478                 enable = false;
1479                 if (!first)
1480                         break;
1481                 Buffer * b = first;
1482                 // We cannot use a for loop as the buffer list is a cycle.
1483                 do {
1484                         if (!b->isClean()) {
1485                                 enable = true;
1486                                 break;
1487                         }
1488                         b = theBufferList().next(b);
1489                 } while (b != first);
1490                 break;
1491         }
1492
1493         case LFUN_BUFFER_WRITE_AS:
1494                 enable = doc_buffer;
1495                 break;
1496
1497         case LFUN_BUFFER_CLOSE:
1498                 enable = doc_buffer;
1499                 break;
1500
1501         case LFUN_BUFFER_CLOSE_ALL:
1502                 enable = theBufferList().last() != theBufferList().first();
1503                 break;
1504
1505         case LFUN_SPLIT_VIEW:
1506                 if (cmd.getArg(0) == "vertical")
1507                         enable = doc_buffer && (d.splitter_->count() == 1 ||
1508                                          d.splitter_->orientation() == Qt::Vertical);
1509                 else
1510                         enable = doc_buffer && (d.splitter_->count() == 1 ||
1511                                          d.splitter_->orientation() == Qt::Horizontal);
1512                 break;
1513
1514         case LFUN_CLOSE_TAB_GROUP:
1515                 enable = d.currentTabWorkArea();
1516                 break;
1517
1518         case LFUN_TOOLBAR_TOGGLE: {
1519                 string const name = cmd.getArg(0);
1520                 if (GuiToolbar * t = toolbar(name))
1521                         flag.setOnOff(t->isVisible());
1522                 else {
1523                         enable = false;
1524                         docstring const msg =
1525                                 bformat(_("Unknown toolbar \"%1$s\""), from_utf8(name));
1526                         flag.message(msg);
1527                 }
1528                 break;
1529         }
1530
1531         case LFUN_DROP_LAYOUTS_CHOICE:
1532                 enable = buf;
1533                 break;
1534
1535         case LFUN_UI_TOGGLE:
1536                 flag.setOnOff(isFullScreen());
1537                 break;
1538
1539         case LFUN_DIALOG_DISCONNECT_INSET:
1540                 break;
1541
1542         case LFUN_DIALOG_HIDE:
1543                 // FIXME: should we check if the dialog is shown?
1544                 break;
1545
1546         case LFUN_DIALOG_TOGGLE:
1547                 flag.setOnOff(isDialogVisible(cmd.getArg(0)));
1548                 // fall through to set "enable"
1549         case LFUN_DIALOG_SHOW: {
1550                 string const name = cmd.getArg(0);
1551                 if (!doc_buffer)
1552                         enable = name == "aboutlyx"
1553                                 || name == "file" //FIXME: should be removed.
1554                                 || name == "prefs"
1555                                 || name == "texinfo"
1556                                 || name == "progress"
1557                                 || name == "compare";
1558                 else if (name == "print")
1559                         enable = doc_buffer->isExportable("dvi")
1560                                 && lyxrc.print_command != "none";
1561                 else if (name == "character" || name == "symbols") {
1562                         if (!buf || buf->isReadonly())
1563                                 enable = false;
1564                         else {
1565                                 // FIXME we should consider passthru
1566                                 // paragraphs too.
1567                                 Inset const & in = currentBufferView()->cursor().inset();
1568                                 enable = !in.getLayout().isPassThru();
1569                         }
1570                 }
1571                 else if (name == "latexlog")
1572                         enable = FileName(doc_buffer->logName()).isReadableFile();
1573                 else if (name == "spellchecker")
1574                         enable = theSpellChecker() && !doc_buffer->isReadonly();
1575                 else if (name == "vclog")
1576                         enable = doc_buffer->lyxvc().inUse();
1577                 break;
1578         }
1579
1580         case LFUN_DIALOG_UPDATE: {
1581                 string const name = cmd.getArg(0);
1582                 if (!buf)
1583                         enable = name == "prefs";
1584                 break;
1585         }
1586
1587         case LFUN_COMMAND_EXECUTE:
1588         case LFUN_MESSAGE:
1589         case LFUN_MENU_OPEN:
1590                 // Nothing to check.
1591                 break;
1592
1593         case LFUN_COMPLETION_INLINE:
1594                 if (!d.current_work_area_
1595                         || !d.current_work_area_->completer().inlinePossible(
1596                         currentBufferView()->cursor()))
1597                         enable = false;
1598                 break;
1599
1600         case LFUN_COMPLETION_POPUP:
1601                 if (!d.current_work_area_
1602                         || !d.current_work_area_->completer().popupPossible(
1603                         currentBufferView()->cursor()))
1604                         enable = false;
1605                 break;
1606
1607         case LFUN_COMPLETION_COMPLETE:
1608                 if (!d.current_work_area_
1609                         || !d.current_work_area_->completer().inlinePossible(
1610                         currentBufferView()->cursor()))
1611                         enable = false;
1612                 break;
1613
1614         case LFUN_COMPLETION_ACCEPT:
1615                 if (!d.current_work_area_
1616                         || (!d.current_work_area_->completer().popupVisible()
1617                         && !d.current_work_area_->completer().inlineVisible()
1618                         && !d.current_work_area_->completer().completionAvailable()))
1619                         enable = false;
1620                 break;
1621
1622         case LFUN_COMPLETION_CANCEL:
1623                 if (!d.current_work_area_
1624                         || (!d.current_work_area_->completer().popupVisible()
1625                         && !d.current_work_area_->completer().inlineVisible()))
1626                         enable = false;
1627                 break;
1628
1629         case LFUN_BUFFER_ZOOM_OUT:
1630                 enable = doc_buffer && lyxrc.zoom > 10;
1631                 break;
1632
1633         case LFUN_BUFFER_ZOOM_IN:
1634                 enable = doc_buffer;
1635                 break;
1636
1637         case LFUN_BUFFER_NEXT:
1638         case LFUN_BUFFER_PREVIOUS:
1639                 // FIXME: should we check is there is an previous or next buffer?
1640                 break;
1641         case LFUN_BUFFER_SWITCH:
1642                 // toggle on the current buffer, but do not toggle off
1643                 // the other ones (is that a good idea?)
1644                 if (doc_buffer
1645                         && to_utf8(cmd.argument()) == doc_buffer->absFileName())
1646                         flag.setOnOff(true);
1647                 break;
1648
1649         case LFUN_VC_REGISTER:
1650                 enable = doc_buffer && !doc_buffer->lyxvc().inUse();
1651                 break;
1652         case LFUN_VC_CHECK_IN:
1653                 enable = doc_buffer && doc_buffer->lyxvc().checkInEnabled();
1654                 break;
1655         case LFUN_VC_CHECK_OUT:
1656                 enable = doc_buffer && doc_buffer->lyxvc().checkOutEnabled();
1657                 break;
1658         case LFUN_VC_LOCKING_TOGGLE:
1659                 enable = doc_buffer && !doc_buffer->isReadonly()
1660                         && doc_buffer->lyxvc().lockingToggleEnabled();
1661                 flag.setOnOff(enable && doc_buffer->lyxvc().locking());
1662                 break;
1663         case LFUN_VC_REVERT:
1664                 enable = doc_buffer && doc_buffer->lyxvc().inUse() && !doc_buffer->isReadonly();
1665                 break;
1666         case LFUN_VC_UNDO_LAST:
1667                 enable = doc_buffer && doc_buffer->lyxvc().undoLastEnabled();
1668                 break;
1669         case LFUN_VC_REPO_UPDATE:
1670                 enable = doc_buffer && doc_buffer->lyxvc().repoUpdateEnabled();
1671                 break;
1672         case LFUN_VC_COMMAND: {
1673                 if (cmd.argument().empty())
1674                         enable = false;
1675                 if (!doc_buffer && contains(cmd.getArg(0), 'D'))
1676                         enable = false;
1677                 break;
1678         }
1679         case LFUN_VC_COMPARE:
1680                 enable = doc_buffer && doc_buffer->lyxvc().prepareFileRevisionEnabled();
1681                 break;
1682
1683         case LFUN_SERVER_GOTO_FILE_ROW:
1684                 break;
1685         case LFUN_FORWARD_SEARCH:
1686                 enable = !(lyxrc.forward_search_dvi.empty() && lyxrc.forward_search_pdf.empty());
1687                 break;
1688
1689         default:
1690                 return false;
1691         }
1692
1693         if (!enable)
1694                 flag.setEnabled(false);
1695
1696         return true;
1697 }
1698
1699
1700 static FileName selectTemplateFile()
1701 {
1702         FileDialog dlg(qt_("Select template file"));
1703         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1704         dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
1705
1706         FileDialog::Result result = dlg.open(toqstr(lyxrc.template_path),
1707                                  QStringList(qt_("LyX Documents (*.lyx)")));
1708
1709         if (result.first == FileDialog::Later)
1710                 return FileName();
1711         if (result.second.isEmpty())
1712                 return FileName();
1713         return FileName(fromqstr(result.second));
1714 }
1715
1716
1717 Buffer * GuiView::loadDocument(FileName const & filename, bool tolastfiles)
1718 {
1719         setBusy(true);
1720
1721         Buffer * newBuffer = checkAndLoadLyXFile(filename);
1722
1723         if (!newBuffer) {
1724                 message(_("Document not loaded."));
1725                 setBusy(false);
1726                 return 0;
1727         }
1728
1729         setBuffer(newBuffer);
1730
1731         // scroll to the position when the file was last closed
1732         if (lyxrc.use_lastfilepos) {
1733                 LastFilePosSection::FilePos filepos =
1734                         theSession().lastFilePos().load(filename);
1735                 documentBufferView()->moveToPosition(filepos.pit, filepos.pos, 0, 0);
1736         }
1737
1738         if (tolastfiles)
1739                 theSession().lastFiles().add(filename);
1740
1741         setBusy(false);
1742         return newBuffer;
1743 }
1744
1745
1746 void GuiView::openDocument(string const & fname)
1747 {
1748         string initpath = lyxrc.document_path;
1749
1750         if (documentBufferView()) {
1751                 string const trypath = documentBufferView()->buffer().filePath();
1752                 // If directory is writeable, use this as default.
1753                 if (FileName(trypath).isDirWritable())
1754                         initpath = trypath;
1755         }
1756
1757         string filename;
1758
1759         if (fname.empty()) {
1760                 FileDialog dlg(qt_("Select document to open"), LFUN_FILE_OPEN);
1761                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1762                 dlg.setButton2(qt_("Examples|#E#e"),
1763                                 toqstr(addPath(package().system_support().absFileName(), "examples")));
1764
1765                 QStringList filter(qt_("LyX Documents (*.lyx)"));
1766                 filter << qt_("LyX-1.3.x Documents (*.lyx13)")
1767                         << qt_("LyX-1.4.x Documents (*.lyx14)")
1768                         << qt_("LyX-1.5.x Documents (*.lyx15)")
1769                         << qt_("LyX-1.6.x Documents (*.lyx16)");
1770                 FileDialog::Result result =
1771                         dlg.open(toqstr(initpath), filter);
1772
1773                 if (result.first == FileDialog::Later)
1774                         return;
1775
1776                 filename = fromqstr(result.second);
1777
1778                 // check selected filename
1779                 if (filename.empty()) {
1780                         message(_("Canceled."));
1781                         return;
1782                 }
1783         } else
1784                 filename = fname;
1785
1786         // get absolute path of file and add ".lyx" to the filename if
1787         // necessary.
1788         FileName const fullname =
1789                         fileSearch(string(), filename, "lyx", support::may_not_exist);
1790         if (!fullname.empty())
1791                 filename = fullname.absFileName();
1792
1793         if (!fullname.onlyPath().isDirectory()) {
1794                 Alert::warning(_("Invalid filename"),
1795                                 bformat(_("The directory in the given path\n%1$s\ndoes not exist."),
1796                                 from_utf8(fullname.absFileName())));
1797                 return;
1798         }
1799
1800         // if the file doesn't exist and isn't already open (bug 6645),
1801         // let the user create one
1802         if (!fullname.exists() && !theBufferList().exists(fullname)) {
1803                 // the user specifically chose this name. Believe him.
1804                 Buffer * const b = newFile(filename, string(), true);
1805                 if (b)
1806                         setBuffer(b);
1807                 return;
1808         }
1809
1810         docstring const disp_fn = makeDisplayPath(filename);
1811         message(bformat(_("Opening document %1$s..."), disp_fn));
1812
1813         docstring str2;
1814         Buffer * buf = loadDocument(fullname);
1815         if (buf) {
1816                 // I don't think this is needed, since it will be done in setBuffer().
1817                 // buf->updateBuffer();
1818                 setBuffer(buf);
1819                 buf->errors("Parse");
1820                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1821                 if (buf->lyxvc().inUse())
1822                         str2 += " " + from_utf8(buf->lyxvc().versionString()) +
1823                                 " " + _("Version control detected.");
1824         } else {
1825                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1826         }
1827         message(str2);
1828 }
1829
1830 // FIXME: clean that
1831 static bool import(GuiView * lv, FileName const & filename,
1832         string const & format, ErrorList & errorList)
1833 {
1834         FileName const lyxfile(support::changeExtension(filename.absFileName(), ".lyx"));
1835
1836         string loader_format;
1837         vector<string> loaders = theConverters().loaders();
1838         if (find(loaders.begin(), loaders.end(), format) == loaders.end()) {
1839                 for (vector<string>::const_iterator it = loaders.begin();
1840                          it != loaders.end(); ++it) {
1841                         if (!theConverters().isReachable(format, *it))
1842                                 continue;
1843
1844                         string const tofile =
1845                                 support::changeExtension(filename.absFileName(),
1846                                 formats.extension(*it));
1847                         if (!theConverters().convert(0, filename, FileName(tofile),
1848                                 filename, format, *it, errorList))
1849                                 return false;
1850                         loader_format = *it;
1851                         break;
1852                 }
1853                 if (loader_format.empty()) {
1854                         frontend::Alert::error(_("Couldn't import file"),
1855                                          bformat(_("No information for importing the format %1$s."),
1856                                          formats.prettyName(format)));
1857                         return false;
1858                 }
1859         } else
1860                 loader_format = format;
1861
1862         if (loader_format == "lyx") {
1863                 Buffer * buf = lv->loadDocument(lyxfile);
1864                 if (!buf)
1865                         return false;
1866                 // I don't think this is needed, since it will be done in setBuffer().
1867                 // buf->updateBuffer();
1868                 lv->setBuffer(buf);
1869                 buf->errors("Parse");
1870         } else {
1871                 Buffer * const b = newFile(lyxfile.absFileName(), string(), true);
1872                 if (!b)
1873                         return false;
1874                 lv->setBuffer(b);
1875                 bool as_paragraphs = loader_format == "textparagraph";
1876                 string filename2 = (loader_format == format) ? filename.absFileName()
1877                         : support::changeExtension(filename.absFileName(),
1878                                           formats.extension(loader_format));
1879                 lv->currentBufferView()->insertPlaintextFile(FileName(filename2),
1880                         as_paragraphs);
1881                 guiApp->setCurrentView(lv);
1882                 lyx::dispatch(FuncRequest(LFUN_MARK_OFF));
1883         }
1884
1885         return true;
1886 }
1887
1888
1889 void GuiView::importDocument(string const & argument)
1890 {
1891         string format;
1892         string filename = split(argument, format, ' ');
1893
1894         LYXERR(Debug::INFO, format << " file: " << filename);
1895
1896         // need user interaction
1897         if (filename.empty()) {
1898                 string initpath = lyxrc.document_path;
1899                 if (documentBufferView()) {
1900                         string const trypath = documentBufferView()->buffer().filePath();
1901                         // If directory is writeable, use this as default.
1902                         if (FileName(trypath).isDirWritable())
1903                                 initpath = trypath;
1904                 }
1905
1906                 docstring const text = bformat(_("Select %1$s file to import"),
1907                         formats.prettyName(format));
1908
1909                 FileDialog dlg(toqstr(text), LFUN_BUFFER_IMPORT);
1910                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
1911                 dlg.setButton2(qt_("Examples|#E#e"),
1912                         toqstr(addPath(package().system_support().absFileName(), "examples")));
1913
1914                 docstring filter = formats.prettyName(format);
1915                 filter += " (*.";
1916                 // FIXME UNICODE
1917                 filter += from_utf8(formats.extension(format));
1918                 filter += ')';
1919
1920                 FileDialog::Result result =
1921                         dlg.open(toqstr(initpath), fileFilters(toqstr(filter)));
1922
1923                 if (result.first == FileDialog::Later)
1924                         return;
1925
1926                 filename = fromqstr(result.second);
1927
1928                 // check selected filename
1929                 if (filename.empty())
1930                         message(_("Canceled."));
1931         }
1932
1933         if (filename.empty())
1934                 return;
1935
1936         // get absolute path of file
1937         FileName const fullname(support::makeAbsPath(filename));
1938
1939         FileName const lyxfile(support::changeExtension(fullname.absFileName(), ".lyx"));
1940
1941         // Check if the document already is open
1942         Buffer * buf = theBufferList().getBuffer(lyxfile);
1943         if (buf) {
1944                 setBuffer(buf);
1945                 if (!closeBuffer()) {
1946                         message(_("Canceled."));
1947                         return;
1948                 }
1949         }
1950
1951         docstring const displaypath = makeDisplayPath(lyxfile.absFileName(), 30);
1952
1953         // if the file exists already, and we didn't do
1954         // -i lyx thefile.lyx, warn
1955         if (lyxfile.exists() && fullname != lyxfile) {
1956
1957                 docstring text = bformat(_("The document %1$s already exists.\n\n"
1958                         "Do you want to overwrite that document?"), displaypath);
1959                 int const ret = Alert::prompt(_("Overwrite document?"),
1960                         text, 0, 1, _("&Overwrite"), _("&Cancel"));
1961
1962                 if (ret == 1) {
1963                         message(_("Canceled."));
1964                         return;
1965                 }
1966         }
1967
1968         message(bformat(_("Importing %1$s..."), displaypath));
1969         ErrorList errorList;
1970         if (import(this, fullname, format, errorList))
1971                 message(_("imported."));
1972         else
1973                 message(_("file not imported!"));
1974
1975         // FIXME (Abdel 12/08/06): Is there a need to display the error list here?
1976 }
1977
1978
1979 void GuiView::newDocument(string const & filename, bool from_template)
1980 {
1981         FileName initpath(lyxrc.document_path);
1982         if (documentBufferView()) {
1983                 FileName const trypath(documentBufferView()->buffer().filePath());
1984                 // If directory is writeable, use this as default.
1985                 if (trypath.isDirWritable())
1986                         initpath = trypath;
1987         }
1988
1989         string templatefile;
1990         if (from_template) {
1991                 templatefile = selectTemplateFile().absFileName();
1992                 if (templatefile.empty())
1993                         return;
1994         }
1995
1996         Buffer * b;
1997         if (filename.empty())
1998                 b = newUnnamedFile(initpath, to_utf8(_("newfile")), templatefile);
1999         else
2000                 b = newFile(filename, templatefile, true);
2001
2002         if (b)
2003                 setBuffer(b);
2004
2005         // If no new document could be created, it is unsure
2006         // whether there is a valid BufferView.
2007         if (currentBufferView())
2008                 // Ensure the cursor is correctly positioned on screen.
2009                 currentBufferView()->showCursor();
2010 }
2011
2012
2013 void GuiView::insertLyXFile(docstring const & fname)
2014 {
2015         BufferView * bv = documentBufferView();
2016         if (!bv)
2017                 return;
2018
2019         // FIXME UNICODE
2020         FileName filename(to_utf8(fname));
2021
2022         if (!filename.empty()) {
2023                 bv->insertLyXFile(filename);
2024                 return;
2025         }
2026
2027         // Launch a file browser
2028         // FIXME UNICODE
2029         string initpath = lyxrc.document_path;
2030         string const trypath = bv->buffer().filePath();
2031         // If directory is writeable, use this as default.
2032         if (FileName(trypath).isDirWritable())
2033                 initpath = trypath;
2034
2035         // FIXME UNICODE
2036         FileDialog dlg(qt_("Select LyX document to insert"), LFUN_FILE_INSERT);
2037         dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2038         dlg.setButton2(qt_("Examples|#E#e"),
2039                 toqstr(addPath(package().system_support().absFileName(),
2040                 "examples")));
2041
2042         FileDialog::Result result = dlg.open(toqstr(initpath),
2043                                  QStringList(qt_("LyX Documents (*.lyx)")));
2044
2045         if (result.first == FileDialog::Later)
2046                 return;
2047
2048         // FIXME UNICODE
2049         filename.set(fromqstr(result.second));
2050
2051         // check selected filename
2052         if (filename.empty()) {
2053                 // emit message signal.
2054                 message(_("Canceled."));
2055                 return;
2056         }
2057
2058         bv->insertLyXFile(filename);
2059 }
2060
2061
2062 void GuiView::insertPlaintextFile(docstring const & fname,
2063         bool asParagraph)
2064 {
2065         BufferView * bv = documentBufferView();
2066         if (!bv)
2067                 return;
2068
2069         if (!fname.empty() && !FileName::isAbsolute(to_utf8(fname))) {
2070                 message(_("Absolute filename expected."));
2071                 return;
2072         }
2073
2074         // FIXME UNICODE
2075         FileName filename(to_utf8(fname));
2076
2077         if (!filename.empty()) {
2078                 bv->insertPlaintextFile(filename, asParagraph);
2079                 return;
2080         }
2081
2082         FileDialog dlg(qt_("Select file to insert"), (asParagraph ?
2083                 LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT));
2084
2085         FileDialog::Result result = dlg.open(toqstr(bv->buffer().filePath()),
2086                 QStringList(qt_("All Files (*)")));
2087
2088         if (result.first == FileDialog::Later)
2089                 return;
2090
2091         // FIXME UNICODE
2092         filename.set(fromqstr(result.second));
2093
2094         // check selected filename
2095         if (filename.empty()) {
2096                 // emit message signal.
2097                 message(_("Canceled."));
2098                 return;
2099         }
2100
2101         bv->insertPlaintextFile(filename, asParagraph);
2102 }
2103
2104
2105 bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
2106 {
2107         FileName fname = b.fileName();
2108         FileName const oldname = fname;
2109
2110         if (!newname.empty()) {
2111                 // FIXME UNICODE
2112                 fname = support::makeAbsPath(to_utf8(newname), oldname.onlyPath().absFileName());
2113         } else {
2114                 // Switch to this Buffer.
2115                 setBuffer(&b);
2116
2117                 // No argument? Ask user through dialog.
2118                 // FIXME UNICODE
2119                 FileDialog dlg(qt_("Choose a filename to save document as"),
2120                                    LFUN_BUFFER_WRITE_AS);
2121                 dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
2122                 dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
2123
2124                 if (!isLyXFileName(fname.absFileName()))
2125                         fname.changeExtension(".lyx");
2126
2127                 FileDialog::Result result =
2128                         dlg.save(toqstr(fname.onlyPath().absFileName()),
2129                                    QStringList(qt_("LyX Documents (*.lyx)")),
2130                                          toqstr(fname.onlyFileName()));
2131
2132                 if (result.first == FileDialog::Later)
2133                         return false;
2134
2135                 fname.set(fromqstr(result.second));
2136
2137                 if (fname.empty())
2138                         return false;
2139
2140                 if (!isLyXFileName(fname.absFileName()))
2141                         fname.changeExtension(".lyx");
2142         }
2143
2144         // fname is now the new Buffer location.
2145         if (FileName(fname).exists()) {
2146                 docstring const file = makeDisplayPath(fname.absFileName(), 30);
2147                 docstring text = bformat(_("The document %1$s already "
2148                                            "exists.\n\nDo you want to "
2149                                            "overwrite that document?"),
2150                                          file);
2151                 int const ret = Alert::prompt(_("Overwrite document?"),
2152                         text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
2153                 switch (ret) {
2154                 case 0: break;
2155                 case 1: return renameBuffer(b, docstring());
2156                 case 2: return false;
2157                 }
2158         }
2159
2160         FileName oldauto = b.getAutosaveFileName();
2161
2162         // Ok, change the name of the buffer
2163         b.setFileName(fname.absFileName());
2164         b.markDirty();
2165         bool unnamed = b.isUnnamed();
2166         b.setUnnamed(false);
2167         b.saveCheckSum(fname);
2168
2169         // bring the autosave file with us, just in case.
2170         b.moveAutosaveFile(oldauto);
2171
2172         if (!saveBuffer(b)) {
2173                 oldauto = b.getAutosaveFileName();
2174                 b.setFileName(oldname.absFileName());
2175                 b.setUnnamed(unnamed);
2176                 b.saveCheckSum(oldname);
2177                 b.moveAutosaveFile(oldauto);
2178                 return false;
2179         }
2180
2181         // the file has now been saved to the new location.
2182         // we need to check that the locations of child buffers
2183         // are still valid.
2184         b.checkChildBuffers();
2185
2186         return true;
2187 }
2188
2189
2190 bool GuiView::saveBuffer(Buffer & b)
2191 {
2192         if (workArea(b) && workArea(b)->inDialogMode())
2193                 return true;
2194
2195         if (b.isUnnamed())
2196                 return renameBuffer(b, docstring());
2197
2198         if (b.save()) {
2199                 theSession().lastFiles().add(b.fileName());
2200                 return true;
2201         }
2202
2203         // Switch to this Buffer.
2204         setBuffer(&b);
2205
2206         // FIXME: we don't tell the user *WHY* the save failed !!
2207         docstring const file = makeDisplayPath(b.absFileName(), 30);
2208         docstring text = bformat(_("The document %1$s could not be saved.\n\n"
2209                                    "Do you want to rename the document and "
2210                                    "try again?"), file);
2211         int const ret = Alert::prompt(_("Rename and save?"),
2212                 text, 0, 2, _("&Rename"), _("&Retry"), _("&Cancel"));
2213         switch (ret) {
2214         case 0:
2215                 if (!renameBuffer(b, docstring()))
2216                         return false;
2217                 break;
2218         case 1:
2219                 break;
2220         case 2:
2221                 return false;
2222         }
2223
2224         return saveBuffer(b);
2225 }
2226
2227
2228 bool GuiView::hideWorkArea(GuiWorkArea * wa)
2229 {
2230         return closeWorkArea(wa, false);
2231 }
2232
2233
2234 bool GuiView::closeWorkArea(GuiWorkArea * wa)
2235 {
2236         Buffer & buf = wa->bufferView().buffer();
2237         return closeWorkArea(wa, !buf.parent());
2238 }
2239
2240
2241 bool GuiView::closeBuffer()
2242 {
2243         GuiWorkArea * wa = currentMainWorkArea();
2244         setCurrentWorkArea(wa);
2245         Buffer & buf = wa->bufferView().buffer();
2246         return wa && closeWorkArea(wa, !buf.parent());
2247 }
2248
2249
2250 void GuiView::writeSession() const {
2251         GuiWorkArea const * active_wa = currentMainWorkArea();
2252         for (int i = 0; i < d.splitter_->count(); ++i) {
2253                 TabWorkArea * twa = d.tabWorkArea(i);
2254                 for (int j = 0; j < twa->count(); ++j) {
2255                         GuiWorkArea * wa = static_cast<GuiWorkArea *>(twa->widget(j));
2256                         Buffer & buf = wa->bufferView().buffer();
2257                         theSession().lastOpened().add(buf.fileName(), wa == active_wa);
2258                 }
2259         }
2260 }
2261
2262
2263 bool GuiView::closeBufferAll()
2264 {
2265         // Close the workareas in all other views
2266         QList<int> const ids = guiApp->viewIds();
2267         for (int i = 0; i != ids.size(); ++i) {
2268                 if (id_ != ids[i] && !guiApp->view(ids[i]).closeWorkAreaAll())
2269                         return false;
2270         }
2271
2272         // Close our own workareas
2273         if (!closeWorkAreaAll())
2274                 return false;
2275
2276         // Now close the hidden buffers. We prevent hidden buffers from being
2277         // dirty, so we can just close them.
2278         theBufferList().closeAll();
2279         return true;
2280 }
2281
2282
2283 bool GuiView::closeWorkAreaAll()
2284 {
2285         setCurrentWorkArea(currentMainWorkArea());
2286
2287         // We might be in a situation that there is still a tabWorkArea, but
2288         // there are no tabs anymore. This can happen when we get here after a
2289         // TabWorkArea::lastWorkAreaRemoved() signal. Therefore we count how
2290         // many TabWorkArea's have no documents anymore.
2291         int empty_twa = 0;
2292
2293         // We have to call count() each time, because it can happen that
2294         // more than one splitter will disappear in one iteration (bug 5998).
2295         for (; d.splitter_->count() > empty_twa; ) {
2296                 TabWorkArea * twa = d.tabWorkArea(empty_twa);
2297
2298                 if (twa->count() == 0)
2299                         ++empty_twa;
2300                 else {
2301                         setCurrentWorkArea(twa->currentWorkArea());
2302                         if (!closeTabWorkArea(twa))
2303                                 return false;
2304                 }
2305         }
2306         return true;
2307 }
2308
2309
2310 bool GuiView::closeWorkArea(GuiWorkArea * wa, bool close_buffer)
2311 {
2312         if (!wa)
2313                 return false;
2314
2315         Buffer & buf = wa->bufferView().buffer();
2316
2317         if (close_buffer && GuiViewPrivate::busyBuffers.contains(&buf)) {
2318                 Alert::warning(_("Close document "), _("Document could not be closed because it is processed by LyX."));
2319                 return false;
2320         }
2321
2322         if (close_buffer)
2323                 return closeBuffer(buf);
2324         else {
2325                 if (!inMultiTabs(wa))
2326                         if (!saveBufferIfNeeded(buf, true))
2327                                 return false;
2328                 removeWorkArea(wa);
2329                 return true;
2330         }
2331 }
2332
2333
2334 bool GuiView::closeBuffer(Buffer & buf)
2335 {
2336         // If we are in a close_event all children will be closed in some time,
2337         // so no need to do it here. This will ensure that the children end up
2338         // in the session file in the correct order. If we close the master
2339         // buffer, we can close or release the child buffers here too.
2340         if (!closing_) {
2341                 ListOfBuffers clist = buf.getChildren();
2342                 ListOfBuffers::const_iterator it = clist.begin();
2343                 ListOfBuffers::const_iterator const bend = clist.end();
2344                 for (; it != bend; ++it) {
2345                         // If a child is dirty, do not close
2346                         // without user intervention
2347                         //FIXME: should we look in other tabworkareas?
2348                         Buffer * child_buf = *it;
2349                         GuiWorkArea * child_wa = workArea(*child_buf);
2350                         if (child_wa) {
2351                                 if (!closeWorkArea(child_wa, true))
2352                                         return false;
2353                         } else
2354                                 theBufferList().releaseChild(&buf, child_buf);
2355                 }
2356         }
2357         // goto bookmark to update bookmark pit.
2358         //FIXME: we should update only the bookmarks related to this buffer!
2359         LYXERR(Debug::DEBUG, "GuiView::closeBuffer()");
2360         for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
2361                 guiApp->gotoBookmark(i+1, false, false);
2362
2363         if (saveBufferIfNeeded(buf, false)) {
2364                 buf.removeAutosaveFile();
2365                 theBufferList().release(&buf);
2366                 return true;
2367         }
2368         return false;
2369 }
2370
2371
2372 bool GuiView::closeTabWorkArea(TabWorkArea * twa)
2373 {
2374         while (twa == d.currentTabWorkArea()) {
2375                 twa->setCurrentIndex(twa->count()-1);
2376
2377                 GuiWorkArea * wa = twa->currentWorkArea();
2378                 Buffer & b = wa->bufferView().buffer();
2379
2380                 // We only want to close the buffer if the same buffer is not visible
2381                 // in another view, and if this is not a child and if we are closing
2382                 // a view (not a tabgroup).
2383                 bool const close_buffer =
2384                         !inMultiViews(wa) && !b.parent() && closing_;
2385
2386                 if (!closeWorkArea(wa, close_buffer))
2387                         return false;
2388         }
2389         return true;
2390 }
2391
2392
2393 bool GuiView::saveBufferIfNeeded(Buffer & buf, bool hiding)
2394 {
2395         if (buf.isClean() || buf.paragraphs().empty())
2396                 return true;
2397
2398         // Switch to this Buffer.
2399         setBuffer(&buf);
2400
2401         docstring file;
2402         // FIXME: Unicode?
2403         if (buf.isUnnamed())
2404                 file = from_utf8(buf.fileName().onlyFileName());
2405         else
2406                 file = buf.fileName().displayName(30);
2407
2408         // Bring this window to top before asking questions.
2409         raise();
2410         activateWindow();
2411
2412         int ret;
2413         if (hiding && buf.isUnnamed()) {
2414                 docstring const text = bformat(_("The document %1$s has not been "
2415                                                  "saved yet.\n\nDo you want to save "
2416                                                  "the document?"), file);
2417                 ret = Alert::prompt(_("Save new document?"),
2418                         text, 0, 1, _("&Save"), _("&Cancel"));
2419                 if (ret == 1)
2420                         ++ret;
2421         } else {
2422                 docstring const text = bformat(_("The document %1$s has unsaved changes."
2423                         "\n\nDo you want to save the document or discard the changes?"), file);
2424                 ret = Alert::prompt(_("Save changed document?"),
2425                         text, 0, 2, _("&Save"), _("&Discard"), _("&Cancel"));
2426         }
2427
2428         switch (ret) {
2429         case 0:
2430                 if (!saveBuffer(buf))
2431                         return false;
2432                 break;
2433         case 1:
2434                 // if we crash after this we could
2435                 // have no autosave file but I guess
2436                 // this is really improbable (Jug)
2437                 // Sometime improbable things happen, bug 6857 (ps)
2438                 // buf.removeAutosaveFile();
2439                 if (hiding)
2440                         // revert all changes
2441                         buf.reload();
2442                 buf.markClean();
2443                 break;
2444         case 2:
2445                 return false;
2446         }
2447         return true;
2448 }
2449
2450
2451 bool GuiView::inMultiTabs(GuiWorkArea * wa)
2452 {
2453         Buffer & buf = wa->bufferView().buffer();
2454
2455         for (int i = 0; i != d.splitter_->count(); ++i) {
2456                 GuiWorkArea * wa_ = d.tabWorkArea(i)->workArea(buf);
2457                 if (wa_ && wa_ != wa)
2458                         return true;
2459         }
2460         return inMultiViews(wa);
2461 }
2462
2463
2464 bool GuiView::inMultiViews(GuiWorkArea * wa)
2465 {
2466         QList<int> const ids = guiApp->viewIds();
2467         Buffer & buf = wa->bufferView().buffer();
2468
2469         int found_twa = 0;
2470         for (int i = 0; i != ids.size() && found_twa <= 1; ++i) {
2471                 if (id_ == ids[i])
2472                         continue;
2473
2474                 if (guiApp->view(ids[i]).workArea(buf))
2475                         return true;
2476         }
2477         return false;
2478 }
2479
2480
2481 void GuiView::gotoNextOrPreviousBuffer(NextOrPrevious np)
2482 {
2483         Buffer * const curbuf = documentBufferView()
2484                 ? &documentBufferView()->buffer() : 0;
2485         Buffer * nextbuf = curbuf;
2486         while (true) {
2487                 if (np == NEXTBUFFER)
2488                         nextbuf = theBufferList().next(nextbuf);
2489                 else
2490                         nextbuf = theBufferList().previous(nextbuf);
2491                 if (nextbuf == curbuf)
2492                         break;
2493                 if (nextbuf == 0) {
2494                         nextbuf = curbuf;
2495                         break;
2496                 }
2497                 if (workArea(*nextbuf))
2498                         break;
2499         }
2500         setBuffer(nextbuf);
2501 }
2502
2503
2504 /// make sure the document is saved
2505 static bool ensureBufferClean(Buffer * buffer)
2506 {
2507         LASSERT(buffer, return false);
2508         if (buffer->isClean() && !buffer->isUnnamed())
2509                 return true;
2510
2511         docstring const file = buffer->fileName().displayName(30);
2512         docstring title;
2513         docstring text;
2514         if (!buffer->isUnnamed()) {
2515                 text = bformat(_("The document %1$s has unsaved "
2516                                                  "changes.\n\nDo you want to save "
2517                                                  "the document?"), file);
2518                 title = _("Save changed document?");
2519
2520         } else {
2521                 text = bformat(_("The document %1$s has not been "
2522                                                  "saved yet.\n\nDo you want to save "
2523                                                  "the document?"), file);
2524                 title = _("Save new document?");
2525         }
2526         int const ret = Alert::prompt(title, text, 0, 1, _("&Save"), _("&Cancel"));
2527
2528         if (ret == 0)
2529                 dispatch(FuncRequest(LFUN_BUFFER_WRITE));
2530
2531         return buffer->isClean() && !buffer->isUnnamed();
2532 }
2533
2534
2535 bool GuiView::reloadBuffer()
2536 {
2537         Buffer * buf = &documentBufferView()->buffer();
2538         return buf->reload();
2539 }
2540
2541
2542 void GuiView::checkExternallyModifiedBuffers()
2543 {
2544         BufferList::iterator bit = theBufferList().begin();
2545         BufferList::iterator const bend = theBufferList().end();
2546         for (; bit != bend; ++bit) {
2547                 if ((*bit)->fileName().exists()
2548                         && (*bit)->isExternallyModified(Buffer::checksum_method)) {
2549                         docstring text = bformat(_("Document \n%1$s\n has been externally modified."
2550                                         " Reload now? Any local changes will be lost."),
2551                                         from_utf8((*bit)->absFileName()));
2552                         int const ret = Alert::prompt(_("Reload externally changed document?"),
2553                                                 text, 0, 1, _("&Reload"), _("&Cancel"));
2554                         if (!ret)
2555                                 (*bit)->reload();
2556                 }
2557         }
2558 }
2559
2560
2561 void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
2562 {
2563         Buffer * buffer = documentBufferView()
2564                 ? &(documentBufferView()->buffer()) : 0;
2565
2566         switch (cmd.action()) {
2567         case LFUN_VC_REGISTER:
2568                 if (!buffer || !ensureBufferClean(buffer))
2569                         break;
2570                 if (!buffer->lyxvc().inUse()) {
2571                         if (buffer->lyxvc().registrer()) {
2572                                 reloadBuffer();
2573                                 dr.suppressMessageUpdate();
2574                         }
2575                 }
2576                 break;
2577
2578         case LFUN_VC_CHECK_IN:
2579                 if (!buffer || !ensureBufferClean(buffer))
2580                         break;
2581                 if (buffer->lyxvc().inUse() && !buffer->isReadonly()) {
2582                         dr.setMessage(buffer->lyxvc().checkIn());
2583                         if (!dr.message().empty())
2584                                 reloadBuffer();
2585                 }
2586                 break;
2587
2588         case LFUN_VC_CHECK_OUT:
2589                 if (!buffer || !ensureBufferClean(buffer))
2590                         break;
2591                 if (buffer->lyxvc().inUse()) {
2592                         dr.setMessage(buffer->lyxvc().checkOut());
2593                         reloadBuffer();
2594                 }
2595                 break;
2596
2597         case LFUN_VC_LOCKING_TOGGLE:
2598                 LASSERT(buffer, return);
2599                 if (!ensureBufferClean(buffer) || buffer->isReadonly())
2600                         break;
2601                 if (buffer->lyxvc().inUse()) {
2602                         string res = buffer->lyxvc().lockingToggle();
2603                         if (res.empty()) {
2604                                 frontend::Alert::error(_("Revision control error."),
2605                                 _("Error when setting the locking property."));
2606                         } else {
2607                                 dr.setMessage(res);
2608                                 reloadBuffer();
2609                         }
2610                 }
2611                 break;
2612
2613         case LFUN_VC_REVERT:
2614                 LASSERT(buffer, return);
2615                 buffer->lyxvc().revert();
2616                 reloadBuffer();
2617                 dr.suppressMessageUpdate();
2618                 break;
2619
2620         case LFUN_VC_UNDO_LAST:
2621                 LASSERT(buffer, return);
2622                 buffer->lyxvc().undoLast();
2623                 reloadBuffer();
2624                 dr.suppressMessageUpdate();
2625                 break;
2626
2627         case LFUN_VC_REPO_UPDATE:
2628                 LASSERT(buffer, return);
2629                 if (ensureBufferClean(buffer)) {
2630                         dr.setMessage(buffer->lyxvc().repoUpdate());
2631                         checkExternallyModifiedBuffers();
2632                 }
2633                 break;
2634
2635         case LFUN_VC_COMMAND: {
2636                 string flag = cmd.getArg(0);
2637                 if (buffer && contains(flag, 'R') && !ensureBufferClean(buffer))
2638                         break;
2639                 docstring message;
2640                 if (contains(flag, 'M')) {
2641                         if (!Alert::askForText(message, _("LyX VC: Log Message")))
2642                                 break;
2643                 }
2644                 string path = cmd.getArg(1);
2645                 if (contains(path, "$$p") && buffer)
2646                         path = subst(path, "$$p", buffer->filePath());
2647                 LYXERR(Debug::LYXVC, "Directory: " << path);
2648                 FileName pp(path);
2649                 if (!pp.isReadableDirectory()) {
2650                         lyxerr << _("Directory is not accessible.") << endl;
2651                         break;
2652                 }
2653                 support::PathChanger p(pp);
2654
2655                 string command = cmd.getArg(2);
2656                 if (command.empty())
2657                         break;
2658                 if (buffer) {
2659                         command = subst(command, "$$i", buffer->absFileName());
2660                         command = subst(command, "$$p", buffer->filePath());
2661                 }
2662                 command = subst(command, "$$m", to_utf8(message));
2663                 LYXERR(Debug::LYXVC, "Command: " << command);
2664                 Systemcall one;
2665                 one.startscript(Systemcall::Wait, command);
2666
2667                 if (!buffer)
2668                         break;
2669                 if (contains(flag, 'I'))
2670                         buffer->markDirty();
2671                 if (contains(flag, 'R'))
2672                         reloadBuffer();
2673
2674                 break;
2675                 }
2676
2677         case LFUN_VC_COMPARE: {
2678
2679                 if (cmd.argument().empty()) {
2680                         lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "comparehistory"));
2681                         break;
2682                 }
2683
2684                 string rev1 = cmd.getArg(0);
2685                 string f1, f2;
2686
2687                 // f1
2688                 if (!buffer->lyxvc().prepareFileRevision(rev1, f1))
2689                         break;
2690
2691                 if (isStrInt(rev1) && convert<int>(rev1) <= 0) {
2692                         f2 = buffer->absFileName();
2693                 } else {
2694                         string rev2 = cmd.getArg(1);
2695                         if (rev2.empty())
2696                                 break;
2697                         // f2
2698                         if (!buffer->lyxvc().prepareFileRevision(rev2, f2))
2699                                 break;
2700                 }
2701
2702                 LYXERR(Debug::LYXVC, "Launching comparison for fetched revisions:\n" <<
2703                                         f1 << "\n"  << f2 << "\n" );
2704                 string par = "compare run " + quoteName(f1) + " " + quoteName(f2);
2705                 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, par));
2706                 break;
2707         }
2708
2709         default:
2710                 break;
2711         }
2712 }
2713
2714
2715 void GuiView::openChildDocument(string const & fname)
2716 {
2717         LASSERT(documentBufferView(), return);
2718         Buffer & buffer = documentBufferView()->buffer();
2719         FileName const filename = support::makeAbsPath(fname, buffer.filePath());
2720         documentBufferView()->saveBookmark(false);
2721         Buffer * child = 0;
2722         bool parsed = false;
2723         if (theBufferList().exists(filename)) {
2724                 child = theBufferList().getBuffer(filename);
2725         } else {
2726                 message(bformat(_("Opening child document %1$s..."),
2727                 makeDisplayPath(filename.absFileName())));
2728                 child = loadDocument(filename, false);
2729                 parsed = true;
2730         }
2731         if (!child)
2732                 return;
2733
2734         // Set the parent name of the child document.
2735         // This makes insertion of citations and references in the child work,
2736         // when the target is in the parent or another child document.
2737         child->setParent(&buffer);
2738
2739         // I don't think this is needed, since it will be called in
2740         // setBuffer().
2741         //      child->masterBuffer()->updateBuffer();
2742         setBuffer(child);
2743         if (parsed)
2744                 child->errors("Parse");
2745 }
2746
2747
2748 bool GuiView::goToFileRow(string const & argument)
2749 {
2750         string file_name;
2751         int row;
2752         size_t i = argument.find_last_of(' ');
2753         if (i != string::npos) {
2754                 file_name = os::internal_path(trim(argument.substr(0, i)));
2755                 istringstream is(argument.substr(i + 1));
2756                 is >> row;
2757                 if (is.fail())
2758                         i = string::npos;
2759         }
2760         if (i == string::npos) {
2761                 LYXERR0("Wrong argument: " << argument);
2762                 return false;
2763         }
2764         Buffer * buf = 0;
2765         string const abstmp = package().temp_dir().absFileName();
2766         string const realtmp = package().temp_dir().realPath();
2767         // We have to use os::path_prefix_is() here, instead of
2768         // simply prefixIs(), because the file name comes from
2769         // an external application and may need case adjustment.
2770         if (os::path_prefix_is(file_name, abstmp, os::CASE_ADJUSTED)
2771                 || os::path_prefix_is(file_name, realtmp, os::CASE_ADJUSTED)) {
2772                 // Needed by inverse dvi search. If it is a file
2773                 // in tmpdir, call the apropriated function.
2774                 // If tmpdir is a symlink, we may have the real
2775                 // path passed back, so we correct for that.
2776                 if (!prefixIs(file_name, abstmp))
2777                         file_name = subst(file_name, realtmp, abstmp);
2778                 buf = theBufferList().getBufferFromTmp(file_name);
2779         } else {
2780                 // Must replace extension of the file to be .lyx
2781                 // and get full path
2782                 FileName const s = fileSearch(string(),
2783                                                   support::changeExtension(file_name, ".lyx"), "lyx");
2784                 // Either change buffer or load the file
2785                 if (theBufferList().exists(s))
2786                         buf = theBufferList().getBuffer(s);
2787                 else if (s.exists()) {
2788                         buf = loadDocument(s);
2789                         if (!buf)
2790                                 return false;
2791                         // I don't think this is needed. loadDocument() calls
2792                         // setBuffer(), which calls updateBuffer().
2793                         // buf->updateBuffer();
2794                         buf->errors("Parse");
2795                 } else {
2796                         message(bformat(
2797                                         _("File does not exist: %1$s"),
2798                                         makeDisplayPath(file_name)));
2799                         return false;
2800                 }
2801         }
2802         setBuffer(buf);
2803         documentBufferView()->setCursorFromRow(row);
2804         return true;
2805 }
2806
2807
2808 #if (QT_VERSION >= 0x040400)
2809 docstring GuiView::GuiViewPrivate::exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
2810 {
2811         bool const update_unincluded =
2812                                 buffer->params().maintain_unincluded_children
2813                                 && !buffer->params().getIncludedChildren().empty();
2814         bool const success = buffer->doExport(format, true, update_unincluded);
2815         delete buffer;
2816         busyBuffers.remove(orig);
2817         return success
2818                 ? bformat(_("Successful export to format: %1$s"), from_utf8(format))
2819                 : bformat(_("Error exporting to format: %1$s"), from_utf8(format));
2820 }
2821
2822
2823 docstring GuiView::GuiViewPrivate::previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
2824 {
2825         bool const update_unincluded =
2826                                 buffer->params().maintain_unincluded_children
2827                                 && !buffer->params().getIncludedChildren().empty();
2828         bool const success = buffer->preview(format, update_unincluded);
2829         delete buffer;
2830         busyBuffers.remove(orig);
2831         return success
2832                 ? bformat(_("Successful preview of format: %1$s"), from_utf8(format))
2833                 : bformat(_("Error previewing format: %1$s"), from_utf8(format));
2834 }
2835 #endif
2836
2837
2838 bool GuiView::GuiViewPrivate::asyncBufferProcessing(
2839                            string const & argument,
2840                            Buffer const * used_buffer,
2841                            docstring const & msg,
2842                            docstring (*asyncFunc)(Buffer const *, Buffer *, string const &),
2843                            bool (Buffer::*syncFunc)(string const &, bool, bool) const,
2844                            bool (Buffer::*previewFunc)(string const &, bool) const)
2845 {
2846         if (!used_buffer) {
2847                 return false;
2848         }
2849         string format = argument;
2850         if (format.empty()) {
2851                 format = used_buffer->getDefaultOutputFormat();
2852         }
2853 #if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
2854         if (!msg.empty()) {
2855                 progress_->clearMessages();
2856                 gv_->message(msg);
2857         }
2858         GuiViewPrivate::busyBuffers.insert(used_buffer);
2859         QFuture<docstring> f = QtConcurrent::run(
2860                                 asyncFunc,
2861                                 used_buffer,
2862                                 used_buffer->clone(),
2863                                 format);
2864         setPreviewFuture(f);
2865         last_export_format = used_buffer->bufferFormat();
2866         (void) syncFunc;
2867         (void) previewFunc;
2868         // We are asynchronous, so we don't know here anything about the success
2869         return true;
2870 #else
2871         bool const update_unincluded =
2872                 used_buffer->params().maintain_unincluded_children &&
2873                 !used_buffer->params().getIncludedChildren().empty();
2874         if (syncFunc) {
2875                 return (used_buffer->*syncFunc)(format, true, update_unincluded);
2876         } else if (previewFunc) {
2877                 return (used_buffer->*previewFunc)(format, update_unincluded);
2878         }
2879         (void) asyncFunc;
2880 #endif
2881 }
2882
2883 void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
2884 {
2885         BufferView * bv = currentBufferView();
2886         // By default we won't need any update.
2887         dr.screenUpdate(Update::None);
2888         // assume cmd will be dispatched
2889         dr.dispatched(true);
2890
2891         Buffer * doc_buffer = documentBufferView()
2892                 ? &(documentBufferView()->buffer()) : 0;
2893
2894         if (cmd.origin() == FuncRequest::TOC) {
2895                 GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
2896                 // FIXME: do we need to pass a DispatchResult object here?
2897                 toc->doDispatch(bv->cursor(), cmd);
2898                 return;
2899         }
2900
2901         string const argument = to_utf8(cmd.argument());
2902
2903         switch(cmd.action()) {
2904                 case LFUN_BUFFER_CHILD_OPEN:
2905                         openChildDocument(to_utf8(cmd.argument()));
2906                         break;
2907
2908                 case LFUN_BUFFER_IMPORT:
2909                         importDocument(to_utf8(cmd.argument()));
2910                         break;
2911
2912                 case LFUN_BUFFER_EXPORT: {
2913                         if (!doc_buffer)
2914                                 break;
2915                         // GCC only sees strfwd.h when building merged
2916                         if (::lyx::operator==(cmd.argument(), "custom")) {
2917                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"), dr);
2918                                 break;
2919                         }
2920 #if 0
2921                         // TODO Remove if we could export asynchronous
2922                         if (!doc_buffer->doExport(argument, false)) {
2923                                 dr.setError(true);
2924                                 dr.setMessage(bformat(_("Error exporting to format: %1$s."),
2925                                         cmd.argument()));
2926                         }
2927 #else
2928                         /* TODO/Review: Is it a problem to also export the children?
2929                                         See the update_unincluded flag
2930                         */
2931                         d.asyncBufferProcessing(argument,
2932                                               doc_buffer,
2933                                               _("Exporting ..."),
2934                                               &GuiViewPrivate::exportAndDestroy,
2935                                               &Buffer::doExport, 0);
2936                         // TODO Inform user about success
2937 #endif
2938                         break;
2939                 }
2940
2941                 case LFUN_BUFFER_UPDATE: {
2942                         d.asyncBufferProcessing(argument,
2943                                               doc_buffer,
2944                                               _("Exporting ..."),
2945                                               &GuiViewPrivate::exportAndDestroy,
2946                                               &Buffer::doExport, 0);
2947                         break;
2948                 }
2949                 case LFUN_BUFFER_VIEW: {
2950                         d.asyncBufferProcessing(argument,
2951                                       doc_buffer,
2952                                       _("Previewing ..."),
2953                                       &GuiViewPrivate::previewAndDestroy,
2954                                       0, &Buffer::preview);
2955                         break;
2956                 }
2957                 case LFUN_MASTER_BUFFER_UPDATE: {
2958                         d.asyncBufferProcessing(argument,
2959                                               (doc_buffer ? doc_buffer->masterBuffer() : 0),
2960                                               docstring(),
2961                                               &GuiViewPrivate::exportAndDestroy,
2962                                               &Buffer::doExport, 0);
2963                         break;
2964                 }
2965                 case LFUN_MASTER_BUFFER_VIEW: {
2966                         d.asyncBufferProcessing(argument,
2967                                       (doc_buffer ? doc_buffer->masterBuffer() : 0),
2968                                       docstring(),
2969                                       &GuiViewPrivate::previewAndDestroy,
2970                                       0, &Buffer::preview);
2971                         break;
2972                 }
2973                 case LFUN_BUFFER_SWITCH: {
2974                         string const file_name = to_utf8(cmd.argument());
2975                         if (!FileName::isAbsolute(file_name)) {
2976                                 dr.setError(true);
2977                                 dr.setMessage(_("Absolute filename expected."));
2978                                 break;
2979                         }
2980
2981                         Buffer * buffer = theBufferList().getBuffer(FileName(file_name));
2982                         if (!buffer) {
2983                                 dr.setError(true);
2984                                 dr.setMessage(_("Document not loaded"));
2985                                 break;
2986                         }
2987
2988                         // Do we open or switch to the buffer in this view ?
2989                         if (workArea(*buffer)
2990                                   || lyxrc.open_buffers_in_tabs || !documentBufferView()) {
2991                                 setBuffer(buffer);
2992                                 break;
2993                         }
2994
2995                         // Look for the buffer in other views
2996                         QList<int> const ids = guiApp->viewIds();
2997                         int i = 0;
2998                         for (; i != ids.size(); ++i) {
2999                                 GuiView & gv = guiApp->view(ids[i]);
3000                                 if (gv.workArea(*buffer)) {
3001                                         gv.activateWindow();
3002                                         gv.setBuffer(buffer);
3003                                         break;
3004                                 }
3005                         }
3006
3007                         // If necessary, open a new window as a last resort
3008                         if (i == ids.size()) {
3009                                 lyx::dispatch(FuncRequest(LFUN_WINDOW_NEW));
3010                                 lyx::dispatch(cmd);
3011                         }
3012                         break;
3013                 }
3014
3015                 case LFUN_BUFFER_NEXT:
3016                         gotoNextOrPreviousBuffer(NEXTBUFFER);
3017                         break;
3018
3019                 case LFUN_BUFFER_PREVIOUS:
3020                         gotoNextOrPreviousBuffer(PREVBUFFER);
3021                         break;
3022
3023                 case LFUN_COMMAND_EXECUTE: {
3024                         bool const show_it = cmd.argument() != "off";
3025                         // FIXME: this is a hack, "minibuffer" should not be
3026                         // hardcoded.
3027                         if (GuiToolbar * t = toolbar("minibuffer")) {
3028                                 t->setVisible(show_it);
3029                                 if (show_it && t->commandBuffer())
3030                                         t->commandBuffer()->setFocus();
3031                         }
3032                         break;
3033                 }
3034                 case LFUN_DROP_LAYOUTS_CHOICE:
3035                         d.layout_->showPopup();
3036                         break;
3037
3038                 case LFUN_MENU_OPEN:
3039                         if (QMenu * menu = guiApp->menus().menu(toqstr(cmd.argument()), *this))
3040                                 menu->exec(QCursor::pos());
3041                         break;
3042
3043                 case LFUN_FILE_INSERT:
3044                         insertLyXFile(cmd.argument());
3045                         break;
3046                 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
3047                         insertPlaintextFile(cmd.argument(), true);
3048                         break;
3049
3050                 case LFUN_FILE_INSERT_PLAINTEXT:
3051                         insertPlaintextFile(cmd.argument(), false);
3052                         break;
3053
3054                 case LFUN_BUFFER_RELOAD: {
3055                         LASSERT(doc_buffer, break);
3056                         docstring const file = makeDisplayPath(doc_buffer->absFileName(), 20);
3057                         docstring text = bformat(_("Any changes will be lost. Are you sure "
3058                                                                  "you want to revert to the saved version of the document %1$s?"), file);
3059                         int const ret = Alert::prompt(_("Revert to saved document?"),
3060                                 text, 1, 1, _("&Revert"), _("&Cancel"));
3061
3062                         if (ret == 0) {
3063                                 doc_buffer->markClean();
3064                                 reloadBuffer();
3065                                 dr.forceBufferUpdate();
3066                         }
3067                         break;
3068                 }
3069
3070                 case LFUN_BUFFER_WRITE:
3071                         LASSERT(doc_buffer, break);
3072                         saveBuffer(*doc_buffer);
3073                         break;
3074
3075                 case LFUN_BUFFER_WRITE_AS:
3076                         LASSERT(doc_buffer, break);
3077                         renameBuffer(*doc_buffer, cmd.argument());
3078                         break;
3079
3080                 case LFUN_BUFFER_WRITE_ALL: {
3081                         Buffer * first = theBufferList().first();
3082                         if (!first)
3083                                 break;
3084                         message(_("Saving all documents..."));
3085                         // We cannot use a for loop as the buffer list cycles.
3086                         Buffer * b = first;
3087                         do {
3088                                 if (!b->isClean()) {
3089                                         saveBuffer(*b);
3090                                         LYXERR(Debug::ACTION, "Saved " << b->absFileName());
3091                                 }
3092                                 b = theBufferList().next(b);
3093                         } while (b != first);
3094                         dr.setMessage(_("All documents saved."));
3095                         break;
3096                 }
3097
3098                 case LFUN_BUFFER_CLOSE:
3099                         closeBuffer();
3100                         break;
3101
3102                 case LFUN_BUFFER_CLOSE_ALL:
3103                         closeBufferAll();
3104                         break;
3105
3106                 case LFUN_TOOLBAR_TOGGLE: {
3107                         string const name = cmd.getArg(0);
3108                         if (GuiToolbar * t = toolbar(name))
3109                                 t->toggle();
3110                         break;
3111                 }
3112
3113                 case LFUN_DIALOG_UPDATE: {
3114                         string const name = to_utf8(cmd.argument());
3115                         if (currentBufferView()) {
3116                                 Inset * inset = currentBufferView()->editedInset(name);
3117                                 // Can only update a dialog connected to an existing inset
3118                                 if (!inset)
3119                                         break;
3120                                 // FIXME: get rid of this indirection; GuiView ask the inset
3121                                 // if he is kind enough to update itself...
3122                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument());
3123                                 //FIXME: pass DispatchResult here?
3124                                 inset->dispatch(currentBufferView()->cursor(), fr);
3125                         } else if (name == "paragraph") {
3126                                 lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
3127                         } else if (name == "prefs" || name == "document") {
3128                                 updateDialog(name, string());
3129                         }
3130                         break;
3131                 }
3132
3133                 case LFUN_DIALOG_TOGGLE: {
3134                         if (isDialogVisible(cmd.getArg(0)))
3135                                 dispatch(FuncRequest(LFUN_DIALOG_HIDE, cmd.argument()), dr);
3136                         else
3137                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, cmd.argument()), dr);
3138                         break;
3139                 }
3140
3141                 case LFUN_DIALOG_DISCONNECT_INSET:
3142                         disconnectDialog(to_utf8(cmd.argument()));
3143                         break;
3144
3145                 case LFUN_DIALOG_HIDE: {
3146                         guiApp->hideDialogs(to_utf8(cmd.argument()), 0);
3147                         break;
3148                 }
3149
3150                 case LFUN_DIALOG_SHOW: {
3151                         string const name = cmd.getArg(0);
3152                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
3153
3154                         if (name == "character") {
3155                                 data = freefont2string();
3156                                 if (!data.empty())
3157                                         showDialog("character", data);
3158                         } else if (name == "latexlog") {
3159                                 Buffer::LogType type;
3160                                 string const logfile = doc_buffer->logName(&type);
3161                                 switch (type) {
3162                                 case Buffer::latexlog:
3163                                         data = "latex ";
3164                                         break;
3165                                 case Buffer::buildlog:
3166                                         data = "literate ";
3167                                         break;
3168                                 }
3169                                 data += Lexer::quoteString(logfile);
3170                                 showDialog("log", data);
3171                         } else if (name == "vclog") {
3172                                 string const data = "vc " +
3173                                         Lexer::quoteString(doc_buffer->lyxvc().getLogFile());
3174                                 showDialog("log", data);
3175                         } else if (name == "symbols") {
3176                                 data = bv->cursor().getEncoding()->name();
3177                                 if (!data.empty())
3178                                         showDialog("symbols", data);
3179                         // bug 5274
3180                         } else if (name == "prefs" && isFullScreen()) {
3181                                 lfunUiToggle("fullscreen");
3182                                 showDialog("prefs", data);
3183                         } else
3184                                 showDialog(name, data);
3185                         break;
3186                 }
3187
3188                 case LFUN_MESSAGE:
3189                         dr.setMessage(cmd.argument());
3190                         break;
3191
3192                 case LFUN_UI_TOGGLE: {
3193                         string arg = cmd.getArg(0);
3194                         if (!lfunUiToggle(arg)) {
3195                                 docstring const msg = "ui-toggle " + _("%1$s unknown command!");
3196                                 dr.setMessage(bformat(msg, from_utf8(arg)));
3197                         }
3198                         // Make sure the keyboard focus stays in the work area.
3199                         setFocus();
3200                         break;
3201                 }
3202
3203                 case LFUN_SPLIT_VIEW: {
3204                         LASSERT(doc_buffer, break);
3205                         string const orientation = cmd.getArg(0);
3206                         d.splitter_->setOrientation(orientation == "vertical"
3207                                 ? Qt::Vertical : Qt::Horizontal);
3208                         TabWorkArea * twa = addTabWorkArea();
3209                         GuiWorkArea * wa = twa->addWorkArea(*doc_buffer, *this);
3210                         setCurrentWorkArea(wa);
3211                         break;
3212                 }
3213                 case LFUN_CLOSE_TAB_GROUP:
3214                         if (TabWorkArea * twa = d.currentTabWorkArea()) {
3215                                 closeTabWorkArea(twa);
3216                                 d.current_work_area_ = 0;
3217                                 twa = d.currentTabWorkArea();
3218                                 // Switch to the next GuiWorkArea in the found TabWorkArea.
3219                                 if (twa) {
3220                                         // Make sure the work area is up to date.
3221                                         setCurrentWorkArea(twa->currentWorkArea());
3222                                 } else {
3223                                         setCurrentWorkArea(0);
3224                                 }
3225                         }
3226                         break;
3227
3228                 case LFUN_COMPLETION_INLINE:
3229                         if (d.current_work_area_)
3230                                 d.current_work_area_->completer().showInline();
3231                         break;
3232
3233                 case LFUN_COMPLETION_POPUP:
3234                         if (d.current_work_area_)
3235                                 d.current_work_area_->completer().showPopup();
3236                         break;
3237
3238
3239                 case LFUN_COMPLETION_COMPLETE:
3240                         if (d.current_work_area_)
3241                                 d.current_work_area_->completer().tab();
3242                         break;
3243
3244                 case LFUN_COMPLETION_CANCEL:
3245                         if (d.current_work_area_) {
3246                                 if (d.current_work_area_->completer().popupVisible())
3247                                         d.current_work_area_->completer().hidePopup();
3248                                 else
3249                                         d.current_work_area_->completer().hideInline();
3250                         }
3251                         break;
3252
3253                 case LFUN_COMPLETION_ACCEPT:
3254                         if (d.current_work_area_)
3255                                 d.current_work_area_->completer().activate();
3256                         break;
3257
3258                 case LFUN_BUFFER_ZOOM_IN:
3259                 case LFUN_BUFFER_ZOOM_OUT:
3260                         if (cmd.argument().empty()) {
3261                                 if (cmd.action() == LFUN_BUFFER_ZOOM_IN)
3262                                         lyxrc.zoom += 20;
3263                                 else
3264                                         lyxrc.zoom -= 20;
3265                         } else
3266                                 lyxrc.zoom += convert<int>(cmd.argument());
3267
3268                         if (lyxrc.zoom < 10)
3269                                 lyxrc.zoom = 10;
3270
3271                         // The global QPixmapCache is used in GuiPainter to cache text
3272                         // painting so we must reset it.
3273                         QPixmapCache::clear();
3274                         guiApp->fontLoader().update();
3275                         lyx::dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
3276                         break;
3277
3278                 case LFUN_VC_REGISTER:
3279                 case LFUN_VC_CHECK_IN:
3280                 case LFUN_VC_CHECK_OUT:
3281                 case LFUN_VC_REPO_UPDATE:
3282                 case LFUN_VC_LOCKING_TOGGLE:
3283                 case LFUN_VC_REVERT:
3284                 case LFUN_VC_UNDO_LAST:
3285                 case LFUN_VC_COMMAND:
3286                 case LFUN_VC_COMPARE:
3287                         dispatchVC(cmd, dr);
3288                         break;
3289
3290                 case LFUN_SERVER_GOTO_FILE_ROW:
3291                         goToFileRow(to_utf8(cmd.argument()));
3292                         break;
3293
3294                 case LFUN_FORWARD_SEARCH: {
3295                         FileName const path(doc_buffer->temppath());
3296                         string const texname = doc_buffer->latexName();
3297                         FileName const dviname(addName(path.absFileName(),
3298                                     support::changeExtension(texname, "dvi")));
3299                         FileName const pdfname(addName(path.absFileName(),
3300                                     support::changeExtension(texname, "pdf")));
3301                         if (!dviname.exists() && !pdfname.exists()) {
3302                                 dr.setMessage(_("Please, preview the document first."));
3303                                 break;
3304                         }
3305                         string outname = dviname.onlyFileName();
3306                         string command = lyxrc.forward_search_dvi;
3307                         if (!dviname.exists() ||
3308                             pdfname.lastModified() > dviname.lastModified()) {
3309                                 outname = pdfname.onlyFileName();
3310                                 command = lyxrc.forward_search_pdf;
3311                         }
3312
3313                         int row = doc_buffer->texrow().getRowFromIdPos(bv->cursor().paragraph().id(), bv->cursor().pos());
3314                         LYXERR(Debug::ACTION, "Forward search: row:" << row
3315                                 << " id:" << bv->cursor().paragraph().id());
3316                         if (!row || command.empty()) {
3317                                 dr.setMessage(_("Couldn't proceed."));
3318                                 break;
3319                         }
3320                         string texrow = convert<string>(row);
3321
3322                         command = subst(command, "$$n", texrow);
3323                         command = subst(command, "$$t", texname);
3324                         command = subst(command, "$$o", outname);
3325
3326                         PathChanger p(path);
3327                         Systemcall one;
3328                         one.startscript(Systemcall::DontWait, command);
3329                         break;
3330                 }
3331                 default:
3332                         dr.dispatched(false);
3333                         break;
3334         }
3335
3336         // Part of automatic menu appearance feature.
3337         if (isFullScreen()) {
3338                 if (menuBar()->isVisible() && lyxrc.full_screen_menubar)
3339                         menuBar()->hide();
3340                 if (statusBar()->isVisible())
3341                         statusBar()->hide();
3342         }
3343
3344         return;
3345 }
3346
3347
3348 bool GuiView::lfunUiToggle(string const & ui_component)
3349 {
3350         if (ui_component == "scrollbar") {
3351                 // hide() is of no help
3352                 if (d.current_work_area_->verticalScrollBarPolicy() ==
3353                         Qt::ScrollBarAlwaysOff)
3354
3355                         d.current_work_area_->setVerticalScrollBarPolicy(
3356                                 Qt::ScrollBarAsNeeded);
3357                 else
3358                         d.current_work_area_->setVerticalScrollBarPolicy(
3359                                 Qt::ScrollBarAlwaysOff);
3360         } else if (ui_component == "statusbar") {
3361                 statusBar()->setVisible(!statusBar()->isVisible());
3362         } else if (ui_component == "menubar") {
3363                 menuBar()->setVisible(!menuBar()->isVisible());
3364         } else
3365 #if QT_VERSION >= 0x040300
3366         if (ui_component == "frame") {
3367                 int l, t, r, b;
3368                 getContentsMargins(&l, &t, &r, &b);
3369                 //are the frames in default state?
3370                 d.current_work_area_->setFrameStyle(QFrame::NoFrame);
3371                 if (l == 0) {
3372                         setContentsMargins(-2, -2, -2, -2);
3373                 } else {
3374                         setContentsMargins(0, 0, 0, 0);
3375                 }
3376         } else
3377 #endif
3378         if (ui_component == "fullscreen") {
3379                 toggleFullScreen();
3380         } else
3381                 return false;
3382         return true;
3383 }
3384
3385
3386 void GuiView::toggleFullScreen()
3387 {
3388         if (isFullScreen()) {
3389                 for (int i = 0; i != d.splitter_->count(); ++i)
3390                         d.tabWorkArea(i)->setFullScreen(false);
3391 #if QT_VERSION >= 0x040300
3392                 setContentsMargins(0, 0, 0, 0);
3393 #endif
3394                 setWindowState(windowState() ^ Qt::WindowFullScreen);
3395                 restoreLayout();
3396                 menuBar()->show();
3397                 statusBar()->show();
3398         } else {
3399                 // bug 5274
3400                 hideDialogs("prefs", 0);
3401                 for (int i = 0; i != d.splitter_->count(); ++i)
3402                         d.tabWorkArea(i)->setFullScreen(true);
3403 #if QT_VERSION >= 0x040300
3404                 setContentsMargins(-2, -2, -2, -2);
3405 #endif
3406                 saveLayout();
3407                 setWindowState(windowState() ^ Qt::WindowFullScreen);
3408                 statusBar()->hide();
3409                 if (lyxrc.full_screen_menubar)
3410                         menuBar()->hide();
3411                 if (lyxrc.full_screen_toolbars) {
3412                         ToolbarMap::iterator end = d.toolbars_.end();
3413                         for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
3414                                 it->second->hide();
3415                 }
3416         }
3417
3418         // give dialogs like the TOC a chance to adapt
3419         updateDialogs();
3420 }
3421
3422
3423 Buffer const * GuiView::updateInset(Inset const * inset)
3424 {
3425         if (!inset)
3426                 return 0;
3427
3428         Buffer const * inset_buffer = &(inset->buffer());
3429
3430         for (int i = 0; i != d.splitter_->count(); ++i) {
3431                 GuiWorkArea * wa = d.tabWorkArea(i)->currentWorkArea();
3432                 if (!wa)
3433                         continue;
3434                 Buffer const * buffer = &(wa->bufferView().buffer());
3435                 if (inset_buffer == buffer)
3436                         wa->scheduleRedraw();
3437         }
3438         return inset_buffer;
3439 }
3440
3441
3442 void GuiView::restartCursor()
3443 {
3444         /* When we move around, or type, it's nice to be able to see
3445          * the cursor immediately after the keypress.
3446          */
3447         if (d.current_work_area_)
3448                 d.current_work_area_->startBlinkingCursor();
3449
3450         // Take this occasion to update the other GUI elements.
3451         updateDialogs();
3452         updateStatusBar();
3453 }
3454
3455
3456 void GuiView::updateCompletion(Cursor & cur, bool start, bool keep)
3457 {
3458         if (d.current_work_area_)
3459                 d.current_work_area_->completer().updateVisibility(cur, start, keep);
3460 }
3461
3462 namespace {
3463
3464 // This list should be kept in sync with the list of insets in
3465 // src/insets/Inset.cpp.  I.e., if a dialog goes with an inset, the
3466 // dialog should have the same name as the inset.
3467 // Changes should be also recorded in LFUN_DIALOG_SHOW doxygen
3468 // docs in LyXAction.cpp.
3469
3470 char const * const dialognames[] = {
3471
3472 "aboutlyx", "bibitem", "bibtex", "box", "branch", "changes", "character",
3473 "citation", "compare", "comparehistory", "document", "errorlist", "ert",
3474 "external", "file", "findreplace", "findreplaceadv", "float", "graphics",
3475 "href", "include", "index", "index_print", "info", "listings", "label", "line",
3476 "log", "mathdelimiter", "mathmatrix", "mathspace", "nomenclature",
3477 "nomencl_print", "note", "paragraph", "phantom", "prefs", "print", "ref",
3478 "sendto", "space", "spellchecker", "symbols", "tabular", "tabularcreate",
3479 "thesaurus", "texinfo", "toc", "view-source", "vspace", "wrap", "progress"};
3480
3481 char const * const * const end_dialognames =
3482         dialognames + (sizeof(dialognames) / sizeof(char *));
3483
3484 class cmpCStr {
3485 public:
3486         cmpCStr(char const * name) : name_(name) {}
3487         bool operator()(char const * other) {
3488                 return strcmp(other, name_) == 0;
3489         }
3490 private:
3491         char const * name_;
3492 };
3493
3494
3495 bool isValidName(string const & name)
3496 {
3497         return find_if(dialognames, end_dialognames,
3498                                 cmpCStr(name.c_str())) != end_dialognames;
3499 }
3500
3501 } // namespace anon
3502
3503
3504 void GuiView::resetDialogs()
3505 {
3506         // Make sure that no LFUN uses any GuiView.
3507         guiApp->setCurrentView(0);
3508         saveLayout();
3509         menuBar()->clear();
3510         constructToolbars();
3511         guiApp->menus().fillMenuBar(menuBar(), this, false);
3512         d.layout_->updateContents(true);
3513         // Now update controls with current buffer.
3514         guiApp->setCurrentView(this);
3515         restoreLayout();
3516         restartCursor();
3517 }
3518
3519
3520 Dialog * GuiView::findOrBuild(string const & name, bool hide_it)
3521 {
3522         if (!isValidName(name))
3523                 return 0;
3524
3525         map<string, DialogPtr>::iterator it = d.dialogs_.find(name);
3526
3527         if (it != d.dialogs_.end()) {
3528                 if (hide_it)
3529                         it->second->hideView();
3530                 return it->second.get();
3531         }
3532
3533         Dialog * dialog = build(name);
3534         d.dialogs_[name].reset(dialog);
3535         if (lyxrc.allow_geometry_session)
3536                 dialog->restoreSession();
3537         if (hide_it)
3538                 dialog->hideView();
3539         return dialog;
3540 }
3541
3542
3543 void GuiView::showDialog(string const & name, string const & data,
3544         Inset * inset)
3545 {
3546         triggerShowDialog(toqstr(name), toqstr(data), inset);
3547 }
3548
3549
3550 void GuiView::doShowDialog(QString const & qname, QString const & qdata,
3551         Inset * inset)
3552 {
3553         if (d.in_show_)
3554                 return;
3555
3556         const string name = fromqstr(qname);
3557         const string data = fromqstr(qdata);
3558
3559         d.in_show_ = true;
3560         try {
3561                 Dialog * dialog = findOrBuild(name, false);
3562                 if (dialog) {
3563                         bool const visible = dialog->isVisibleView();
3564                         dialog->showData(data);
3565                         if (inset && currentBufferView())
3566                                 currentBufferView()->editInset(name, inset);
3567                         // We only set the focus to the new dialog if it was not yet
3568                         // visible in order not to change the existing previous behaviour
3569                         if (visible) {
3570                                 // activateWindow is needed for floating dockviews
3571                                 dialog->asQWidget()->raise();
3572                                 dialog->asQWidget()->activateWindow();
3573                                 dialog->asQWidget()->setFocus();
3574                         }
3575                 }
3576         }
3577         catch (ExceptionMessage const & ex) {
3578                 d.in_show_ = false;
3579                 throw ex;
3580         }
3581         d.in_show_ = false;
3582 }
3583
3584
3585 bool GuiView::isDialogVisible(string const & name) const
3586 {
3587         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
3588         if (it == d.dialogs_.end())
3589                 return false;
3590         return it->second.get()->isVisibleView() && !it->second.get()->isClosing();
3591 }
3592
3593
3594 void GuiView::hideDialog(string const & name, Inset * inset)
3595 {
3596         map<string, DialogPtr>::const_iterator it = d.dialogs_.find(name);
3597         if (it == d.dialogs_.end())
3598                 return;
3599
3600         if (inset && currentBufferView()
3601                 && inset != currentBufferView()->editedInset(name))
3602                 return;
3603
3604         Dialog * const dialog = it->second.get();
3605         if (dialog->isVisibleView())
3606                 dialog->hideView();
3607         if (currentBufferView())
3608                 currentBufferView()->editInset(name, 0);
3609 }
3610
3611
3612 void GuiView::disconnectDialog(string const & name)
3613 {
3614         if (!isValidName(name))
3615                 return;
3616         if (currentBufferView())
3617                 currentBufferView()->editInset(name, 0);
3618 }
3619
3620
3621 void GuiView::hideAll() const
3622 {
3623         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
3624         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
3625
3626         for(; it != end; ++it)
3627                 it->second->hideView();
3628 }
3629
3630
3631 void GuiView::updateDialogs()
3632 {
3633         map<string, DialogPtr>::const_iterator it  = d.dialogs_.begin();
3634         map<string, DialogPtr>::const_iterator end = d.dialogs_.end();
3635
3636         for(; it != end; ++it) {
3637                 Dialog * dialog = it->second.get();
3638                 if (dialog) {
3639                         if (dialog->needBufferOpen() && !documentBufferView())
3640                                 hideDialog(fromqstr(dialog->name()), 0);
3641                         else if (dialog->isVisibleView())
3642                                 dialog->checkStatus();
3643                 }
3644         }
3645         updateToolbars();
3646         updateLayoutList();
3647 }
3648
3649 Dialog * createDialog(GuiView & lv, string const & name);
3650
3651 // will be replaced by a proper factory...
3652 Dialog * createGuiAbout(GuiView & lv);
3653 Dialog * createGuiBibtex(GuiView & lv);
3654 Dialog * createGuiChanges(GuiView & lv);
3655 Dialog * createGuiCharacter(GuiView & lv);
3656 Dialog * createGuiCitation(GuiView & lv);
3657 Dialog * createGuiCompare(GuiView & lv);
3658 Dialog * createGuiCompareHistory(GuiView & lv);
3659 Dialog * createGuiDelimiter(GuiView & lv);
3660 Dialog * createGuiDocument(GuiView & lv);
3661 Dialog * createGuiErrorList(GuiView & lv);
3662 Dialog * createGuiExternal(GuiView & lv);
3663 Dialog * createGuiGraphics(GuiView & lv);
3664 Dialog * createGuiInclude(GuiView & lv);
3665 Dialog * createGuiIndex(GuiView & lv);
3666 Dialog * createGuiLabel(GuiView & lv);
3667 Dialog * createGuiListings(GuiView & lv);
3668 Dialog * createGuiLog(GuiView & lv);
3669 Dialog * createGuiMathMatrix(GuiView & lv);
3670 Dialog * createGuiNomenclature(GuiView & lv);
3671 Dialog * createGuiNote(GuiView & lv);
3672 Dialog * createGuiParagraph(GuiView & lv);
3673 Dialog * createGuiPhantom(GuiView & lv);
3674 Dialog * createGuiPreferences(GuiView & lv);
3675 Dialog * createGuiPrint(GuiView & lv);
3676 Dialog * createGuiPrintindex(GuiView & lv);
3677 Dialog * createGuiPrintNomencl(GuiView & lv);
3678 Dialog * createGuiRef(GuiView & lv);
3679 Dialog * createGuiSearch(GuiView & lv);
3680 Dialog * createGuiSearchAdv(GuiView & lv);
3681 Dialog * createGuiSendTo(GuiView & lv);
3682 Dialog * createGuiShowFile(GuiView & lv);
3683 Dialog * createGuiSpellchecker(GuiView & lv);
3684 Dialog * createGuiSymbols(GuiView & lv);
3685 Dialog * createGuiTabularCreate(GuiView & lv);
3686 Dialog * createGuiTexInfo(GuiView & lv);
3687 Dialog * createGuiToc(GuiView & lv);
3688 Dialog * createGuiThesaurus(GuiView & lv);
3689 Dialog * createGuiHyperlink(GuiView & lv);
3690 Dialog * createGuiViewSource(GuiView & lv);
3691 Dialog * createGuiWrap(GuiView & lv);
3692 Dialog * createGuiProgressView(GuiView & lv);
3693
3694
3695
3696 Dialog * GuiView::build(string const & name)
3697 {
3698         LASSERT(isValidName(name), return 0);
3699
3700         Dialog * dialog = createDialog(*this, name);
3701         if (dialog)
3702                 return dialog;
3703
3704         if (name == "aboutlyx")
3705                 return createGuiAbout(*this);
3706         if (name == "bibtex")
3707                 return createGuiBibtex(*this);
3708         if (name == "changes")
3709                 return createGuiChanges(*this);
3710         if (name == "character")
3711                 return createGuiCharacter(*this);
3712         if (name == "citation")
3713                 return createGuiCitation(*this);
3714         if (name == "compare")
3715                 return createGuiCompare(*this);
3716         if (name == "comparehistory")
3717                 return createGuiCompareHistory(*this);
3718         if (name == "document")
3719                 return createGuiDocument(*this);
3720         if (name == "errorlist")
3721                 return createGuiErrorList(*this);
3722         if (name == "external")
3723                 return createGuiExternal(*this);
3724         if (name == "file")
3725                 return createGuiShowFile(*this);
3726         if (name == "findreplace")
3727                 return createGuiSearch(*this);
3728         if (name == "findreplaceadv")
3729                 return createGuiSearchAdv(*this);
3730         if (name == "graphics")
3731                 return createGuiGraphics(*this);
3732         if (name == "href")
3733                 return createGuiHyperlink(*this);
3734         if (name == "include")
3735                 return createGuiInclude(*this);
3736         if (name == "index")
3737                 return createGuiIndex(*this);
3738         if (name == "index_print")
3739                 return createGuiPrintindex(*this);
3740         if (name == "label")
3741                 return createGuiLabel(*this);
3742         if (name == "listings")
3743                 return createGuiListings(*this);
3744         if (name == "log")
3745                 return createGuiLog(*this);
3746         if (name == "mathdelimiter")
3747                 return createGuiDelimiter(*this);
3748         if (name == "mathmatrix")
3749                 return createGuiMathMatrix(*this);
3750         if (name == "nomenclature")
3751                 return createGuiNomenclature(*this);
3752         if (name == "nomencl_print")
3753                 return createGuiPrintNomencl(*this);
3754         if (name == "note")
3755                 return createGuiNote(*this);
3756         if (name == "paragraph")
3757                 return createGuiParagraph(*this);
3758         if (name == "phantom")
3759                 return createGuiPhantom(*this);
3760         if (name == "prefs")
3761                 return createGuiPreferences(*this);
3762         if (name == "print")
3763                 return createGuiPrint(*this);
3764         if (name == "ref")
3765                 return createGuiRef(*this);
3766         if (name == "sendto")
3767                 return createGuiSendTo(*this);
3768         if (name == "spellchecker")
3769                 return createGuiSpellchecker(*this);
3770         if (name == "symbols")
3771                 return createGuiSymbols(*this);
3772         if (name == "tabularcreate")
3773                 return createGuiTabularCreate(*this);
3774         if (name == "texinfo")
3775                 return createGuiTexInfo(*this);
3776         if (name == "thesaurus")
3777                 return createGuiThesaurus(*this);
3778         if (name == "toc")
3779                 return createGuiToc(*this);
3780         if (name == "view-source")
3781                 return createGuiViewSource(*this);
3782         if (name == "wrap")
3783                 return createGuiWrap(*this);
3784         if (name == "progress")
3785                 return createGuiProgressView(*this);
3786
3787         return 0;
3788 }
3789
3790
3791 } // namespace frontend
3792 } // namespace lyx
3793
3794 #include "moc_GuiView.cpp"