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 "GuiImplementation.h"
  19 #include "GuiWorkArea.h"
  20 #include "GuiKeySymbol.h"
  21 #include "GuiMenubar.h"
  22 #include "GuiToolbar.h"
  23 #include "GuiToolbars.h"
  24 #include "qt_helpers.h"
  25
  26 #include "frontends/Application.h"
  27 #include "frontends/Dialogs.h"
  28 #include "frontends/Gui.h"
  29 #include "frontends/WorkArea.h"
  30 #include "frontends/WorkAreaManager.h"
  31
  32 #include "support/filetools.h"
  33 #include "support/convert.h"
  34 #include "support/lstrings.h"
  35 #include "support/os.h"
  36
  37 #include "Buffer.h"
  38 #include "BufferParams.h"
  39 #include "BufferView.h"
  40 #include "BufferList.h"
  41 #include "callback.h"
  42 #include "debug.h"
  43 #include "FuncRequest.h"
  44 #include "Layout.h"
  45 #include "LyX.h"
  46 #include "LyXFunc.h"
  47 #include "LyXRC.h"
  48 #include "MenuBackend.h"
  49 #include "Paragraph.h"
  50 #include "Session.h"
  51 #include "version.h"
  52
  53 #include <boost/current_function.hpp>
  54
  55 #include <QAction>
  56 #include <QApplication>
  57 #include <QCloseEvent>
  58 #include <QDesktopWidget>
  59 #include <QDragEnterEvent>
  60 #include <QDropEvent>
  61 #include <QList>
  62 #include <QMenu>
  63 #include <QPainter>
  64 #include <QPixmap>
  65 #include <QPushButton>
  66 #include <QStackedWidget>
  67 #include <QStatusBar>
  68 #include <QTabBar>
  69 #include <QToolBar>
  70 #include <QTabWidget>
  71 #include <QUrl>
  72
  73 using std::endl;
  74 using std::string;
  75 using std::vector;
  76
  77 namespace lyx {
  78
  79 using support::FileName;
  80 using support::libFileSearch;
  81 using support::makeDisplayPath;
  82
  83 namespace frontend {
  84
  85 namespace {
  86
  87 int const statusbar_timer_value = 3000;
  88
  89 class BackgroundWidget : public QWidget
  90 {
  91 public:
  92         BackgroundWidget(QString const & file, QString const & text)
  93         {
  94                 splash_ = new QPixmap(file);
  95                 if (!splash_) {
  96                         lyxerr << "could not load splash screen: '" << fromqstr(file) << "'" << endl;
  97                         return;
  98                 }
  99
 100                 QPainter pain(splash_);
 101                 pain.setPen(QColor(255, 255, 0));
 102                 QFont font;
 103                 // The font used to display the version info
 104                 font.setStyleHint(QFont::SansSerif);
 105                 font.setWeight(QFont::Bold);
 106                 font.setPointSize(convert<int>(lyxrc.font_sizes[Font::SIZE_LARGE]));
 107                 pain.setFont(font);
 108                 pain.drawText(260, 270, text);
 109         }
 110
 111         void paintEvent(QPaintEvent *)
 112         {
 113                 if (!splash_)
 114                         return;
 115
 116                 int x = (width() - splash_->width()) / 2;
 117                 int y = (height() - splash_->height()) / 2;
 118                 QPainter pain(this);
 119                 pain.drawPixmap(x, y, *splash_);
 120         }
 121
 122 private:
 123         QPixmap * splash_;
 124 };
 125
 126
 127 class TabWidget : public QTabWidget {
 128 public:
 129         void showBar(bool show) { tabBar()->setVisible(show); }
 130 };
 131
 132
 133 } // namespace anon
 134
 135
 136 struct GuiViewBase::GuiViewPrivate
 137 {
 138         string cur_title;
 139
 140         int posx_offset;
 141         int posy_offset;
 142
 143         TabWidget * tab_widget_;
 144         QStackedWidget * stack_widget_;
 145         BackgroundWidget * bg_widget_;
 146         /// view's menubar
 147         GuiMenubar * menubar_;
 148         /// view's toolbars
 149         GuiToolbars * toolbars_;
 150         ///
 151         docstring current_layout;
 152
 153         GuiViewPrivate() : posx_offset(0), posy_offset(0) {}
 154
 155         unsigned int smallIconSize;
 156         unsigned int normalIconSize;
 157         unsigned int bigIconSize;
 158         // static needed by "New Window"
 159         static unsigned int lastIconSize;
 160
 161         QMenu * toolBarPopup(GuiViewBase * parent)
 162         {
 163                 // FIXME: translation
 164                 QMenu * menu = new QMenu(parent);
 165                 QActionGroup * iconSizeGroup = new QActionGroup(parent);
 166
 167                 QAction * smallIcons = new QAction(iconSizeGroup);
 168                 smallIcons->setText(qt_("Small-sized icons"));
 169                 smallIcons->setCheckable(true);
 170                 QObject::connect(smallIcons, SIGNAL(triggered()), parent, SLOT(smallSizedIcons()));
 171                 menu->addAction(smallIcons);
 172
 173                 QAction * normalIcons = new QAction(iconSizeGroup);
 174                 normalIcons->setText(qt_("Normal-sized icons"));
 175                 normalIcons->setCheckable(true);
 176                 QObject::connect(normalIcons, SIGNAL(triggered()), parent, SLOT(normalSizedIcons()));
 177                 menu->addAction(normalIcons);
 178
 179                 QAction * bigIcons = new QAction(iconSizeGroup);
 180                 bigIcons->setText(qt_("Big-sized icons"));
 181                 bigIcons->setCheckable(true);
 182                 QObject::connect(bigIcons, SIGNAL(triggered()), parent, SLOT(bigSizedIcons()));
 183                 menu->addAction(bigIcons);
 184
 185                 unsigned int cur = parent->iconSize().width();
 186                 if ( cur == parent->d.smallIconSize)
 187                         smallIcons->setChecked(true);
 188                 else if (cur == parent->d.normalIconSize)
 189                         normalIcons->setChecked(true);
 190                 else if (cur == parent->d.bigIconSize)
 191                         bigIcons->setChecked(true);
 192
 193                 return menu;
 194         }
 195
 196         void initBackground()
 197         {
 198                 bg_widget_ = 0;
 199                 LYXERR(Debug::GUI) << "show banner: " << lyxrc.show_banner << endl;
 200                 /// The text to be written on top of the pixmap
 201                 QString const text = lyx_version ? QString(lyx_version) : qt_("unknown version");
 202                 FileName const file = support::libFileSearch("images", "banner", "png");
 203                 if (file.empty())
 204                         return;
 205
 206                 bg_widget_ = new BackgroundWidget(toqstr(file.absFilename()), text);
 207         }
 208
 209         void setBackground()
 210         {
 211                 if (!bg_widget_)
 212                         return;
 213
 214                 stack_widget_->setCurrentWidget(bg_widget_);
 215                 bg_widget_->setUpdatesEnabled(true);
 216         }
 217 };
 218
 219
 220 unsigned int GuiViewBase::GuiViewPrivate::lastIconSize = 0;
 221
 222
 223 GuiViewBase::GuiViewBase(int id)
 224         : QMainWindow(), LyXView(id), quitting_by_menu_(false),
 225           d(*new GuiViewPrivate)
 226 {
 227         // Qt bug? signal lastWindowClosed does not work
 228         setAttribute(Qt::WA_QuitOnClose, false);
 229         setAttribute(Qt::WA_DeleteOnClose, true);
 230
 231         // hardcode here the platform specific icon size
 232         d.smallIconSize = 14;   // scaling problems
 233         d.normalIconSize = 20;  // ok, default
 234         d.bigIconSize = 26;             // better for some math icons
 235
 236 #ifndef Q_WS_MACX
 237         // assign an icon to main form. We do not do it under Qt/Mac,
 238         // since the icon is provided in the application bundle.
 239         FileName const iconname = libFileSearch("images", "lyx", "png");
 240         if (!iconname.empty())
 241                 setWindowIcon(QPixmap(toqstr(iconname.absFilename())));
 242 #endif
 243
 244         d.tab_widget_ = new TabWidget;
 245
 246         QPushButton * closeTabButton = new QPushButton(this);
 247         FileName const file = support::libFileSearch("images", "closetab", "png");
 248         if (!file.empty()) {
 249                 QPixmap pm(toqstr(file.absFilename()));
 250                 closeTabButton->setIcon(QIcon(pm));
 251                 closeTabButton->setMaximumSize(pm.size());
 252                 closeTabButton->setFlat(true);
 253         } else {
 254                 closeTabButton->setText("Close");
 255         }
 256         closeTabButton->setCursor(Qt::ArrowCursor);
 257         closeTabButton->setToolTip(tr("Close tab"));
 258         closeTabButton->setEnabled(true);
 259
 260         QObject::connect(d.tab_widget_, SIGNAL(currentChanged(int)),
 261                         this, SLOT(currentTabChanged(int)));
 262         QObject::connect(closeTabButton, SIGNAL(clicked()),
 263                         this, SLOT(closeCurrentTab()));
 264
 265         d.tab_widget_->setCornerWidget(closeTabButton);
 266 #if QT_VERSION >= 0x040200
 267         d.tab_widget_->setUsesScrollButtons(true);
 268 #endif
 269
 270         d.initBackground();
 271         if (d.bg_widget_) {
 272                 LYXERR(Debug::GUI) << "stack widget!" << endl;
 273                 d.stack_widget_ = new QStackedWidget;
 274                 d.stack_widget_->addWidget(d.bg_widget_);
 275                 d.stack_widget_->addWidget(d.tab_widget_);
 276                 setCentralWidget(d.stack_widget_);
 277         } else {
 278                 d.stack_widget_ = 0;
 279                 setCentralWidget(d.tab_widget_);
 280         }
 281
 282         // For Drag&Drop.
 283         setAcceptDrops(true);
 284 }
 285
 286
 287 GuiViewBase::~GuiViewBase()
 288 {
 289         delete d.menubar_;
 290         delete d.toolbars_;
 291         delete &d;
 292 }
 293
 294
 295 void GuiViewBase::close()
 296 {
 297         quitting_by_menu_ = true;
 298         QMainWindow::close();
 299         quitting_by_menu_ = false;
 300 }
 301
 302
 303 void GuiViewBase::setFocus()
 304 {
 305         if (d.tab_widget_->count())
 306                 d.tab_widget_->currentWidget()->setFocus();
 307 }
 308
 309
 310 QMenu* GuiViewBase::createPopupMenu()
 311 {
 312         return d.toolBarPopup(this);
 313 }
 314
 315
 316 void GuiViewBase::init()
 317 {
 318         // GuiToolbars *must* be initialised before GuiMenubar.
 319         d.toolbars_ = new GuiToolbars(*this);
 320         // FIXME: GuiToolbars::init() cannot be integrated in the ctor
 321         // because LyXFunc::getStatus() needs a properly initialized
 322         // GuiToolbars object (for LFUN_TOOLBAR_TOGGLE).
 323         d.toolbars_->init();
 324         d.menubar_ = new GuiMenubar(this, menubackend);
 325
 326         statusBar()->setSizeGripEnabled(true);
 327
 328         QObject::connect(&statusbar_timer_, SIGNAL(timeout()),
 329                 this, SLOT(update_view_state_qt()));
 330
 331         if (d.stack_widget_)
 332                 d.stack_widget_->setCurrentWidget(d.bg_widget_);
 333 }
 334
 335
 336 void GuiViewBase::closeEvent(QCloseEvent * close_event)
 337 {
 338         // we may have been called through the close window button
 339         // which bypasses the LFUN machinery.
 340         if (!quitting_by_menu_ && theApp()->gui().viewIds().size() == 1) {
 341                 if (!theBufferList().quitWriteAll()) {
 342                         close_event->ignore();
 343                         return;
 344                 }
 345         }
 346
 347         // Make sure that no LFUN use this close to be closed View.
 348         theLyXFunc().setLyXView(0);
 349         // Make sure the timer time out will not trigger a statusbar update.
 350         statusbar_timer_.stop();
 351
 352         theApp()->gui().unregisterView(id());
 353         if (!theApp()->gui().viewIds().empty()) {
 354                 // Just close the window and do nothing else if this is not the
 355                 // last window.
 356                 close_event->accept();
 357                 return;
 358         }
 359
 360         quitting = true;
 361
 362         // this is the place where we leave the frontend.
 363         // it is the only point at which we start quitting.
 364         saveGeometry();
 365         close_event->accept();
 366         // quit the event loop
 367         qApp->quit();
 368 }
 369
 370
 371 void GuiViewBase::dragEnterEvent(QDragEnterEvent * event)
 372 {
 373         if (event->mimeData()->hasUrls())
 374                 event->accept();
 375         /// \todo Ask lyx-devel is this is enough:
 376         /// if (event->mimeData()->hasFormat("text/plain"))
 377         ///     event->acceptProposedAction();
 378 }
 379
 380
 381 void GuiViewBase::dropEvent(QDropEvent* event)
 382 {
 383         QList<QUrl> files = event->mimeData()->urls();
 384         if (files.isEmpty())
 385                 return;
 386
 387         LYXERR(Debug::GUI) << BOOST_CURRENT_FUNCTION
 388                 << " got URLs!" << endl;
 389         for (int i = 0; i != files.size(); ++i) {
 390                 string const file = support::os::internal_path(fromqstr(
 391                         files.at(i).toLocalFile()));
 392                 if (!file.empty())
 393                         dispatch(FuncRequest(LFUN_FILE_OPEN, file));
 394         }
 395 }
 396
 397
 398 void GuiViewBase::saveGeometry()
 399 {
 400         static bool done = false;
 401         if (done)
 402                 return;
 403         else
 404                 done = true;
 405
 406         // FIXME:
 407         // change the ifdef to 'geometry = normalGeometry();' only
 408         // when Trolltech has fixed the broken normalGeometry on X11:
 409         // http://www.trolltech.com/developer/task-tracker/index_html?id=119684+&method=entry
 410         // Then also the moveEvent, resizeEvent, and the
 411         // code for floatingGeometry_ can be removed;
 412         // adjust GuiViewBase::setGeometry()
 413
 414         QRect normal_geometry;
 415         int maximized;
 416 #ifdef Q_WS_WIN
 417         normal_geometry = normalGeometry();
 418         if (isMaximized()) {
 419                 maximized = CompletelyMaximized;
 420         } else {
 421                 maximized = NotMaximized;
 422         }
 423 #else
 424         normal_geometry = updateFloatingGeometry();
 425
 426         QDesktopWidget& dw = *qApp->desktop();
 427         QRect desk = dw.availableGeometry(dw.primaryScreen());
 428         // Qt bug on Linux: load completely maximized, vert max. save-> frameGeometry().height() is wrong
 429         if (isMaximized() && desk.width() <= frameGeometry().width() && desk.height() <= frameGeometry().height()) {
 430                 maximized = CompletelyMaximized;
 431                 // maximizing does not work when the window is allready hor. or vert. maximized
 432                 // Tested only on KDE
 433                 int dh = frameGeometry().height() - height();
 434                 if (desk.height() <= normal_geometry.height() + dh)
 435                         normal_geometry.setHeight(normal_geometry.height() - 1);
 436                 int dw = frameGeometry().width() - width();
 437                 if (desk.width() <= normal_geometry.width() + dw)
 438                         normal_geometry.setWidth(normal_geometry.width() - 1);
 439         } else if (desk.height() <= frameGeometry().height()) {
 440                 maximized = VerticallyMaximized;
 441         } else if (desk.width() <= frameGeometry().width()) {
 442                 maximized = HorizontallyMaximized;
 443         } else {
 444                 maximized = NotMaximized;
 445         }
 446
 447
 448 #endif
 449         // save windows size and position
 450         Session & session = LyX::ref().session();
 451         session.sessionInfo().save("WindowWidth", convert<string>(normal_geometry.width()));
 452         session.sessionInfo().save("WindowHeight", convert<string>(normal_geometry.height()));
 453         session.sessionInfo().save("WindowMaximized", convert<string>(maximized));
 454         session.sessionInfo().save("IconSizeXY", convert<string>(iconSize().width()));
 455         if (lyxrc.geometry_xysaved) {
 456                 session.sessionInfo().save("WindowPosX", convert<string>(normal_geometry.x() + d.posx_offset));
 457                 session.sessionInfo().save("WindowPosY", convert<string>(normal_geometry.y() + d.posy_offset));
 458         }
 459         d.toolbars_->saveToolbarInfo();
 460 }
 461
 462
 463 void GuiViewBase::setGeometry(unsigned int width,
 464                           unsigned int height,
 465                           int posx, int posy,
 466                           int maximized,
 467                           unsigned int iconSizeXY,
 468                           const string & geometryArg)
 469 {
 470         // use last value (not at startup)
 471         if (d.lastIconSize != 0)
 472                 setIconSize(d.lastIconSize);
 473         else if (iconSizeXY != 0)
 474                 setIconSize(iconSizeXY);
 475         else
 476                 setIconSize(d.normalIconSize);
 477
 478         // only true when the -geometry option was NOT used
 479         if (width != 0 && height != 0) {
 480                 if (posx != -1 && posy != -1) {
 481                         // if there are startup positioning problems:
 482                         // http://doc.trolltech.com/4.2/qdesktopwidget.html
 483                         QDesktopWidget& dw = *qApp->desktop();
 484                         if (dw.isVirtualDesktop()) {
 485                                 if(!dw.geometry().contains(posx, posy)) {
 486                                         posx = 50;
 487                                         posy = 50;
 488                                 }
 489                         } else {
 490                                 // Which system doesn't use a virtual desktop?
 491                                 // TODO save also last screen number and check if it is still availabe.
 492                         }
 493 #ifdef Q_WS_WIN
 494                         // FIXME: use setGeometry only when Trolltech has fixed the qt4/X11 bug
 495                         QWidget::setGeometry(posx, posy, width, height);
 496 #else
 497                         resize(width, height);
 498                         move(posx, posy);
 499 #endif
 500                 } else {
 501                         resize(width, height);
 502                 }
 503
 504                 // remember original size
 505                 floatingGeometry_ = QRect(posx, posy, width, height);
 506
 507                 if (maximized != NotMaximized) {
 508                         if (maximized == CompletelyMaximized) {
 509                                 setWindowState(Qt::WindowMaximized);
 510                         } else {
 511 #ifndef Q_WS_WIN
 512                                 // TODO How to set by the window manager?
 513                                 //      setWindowState(Qt::WindowVerticallyMaximized);
 514                                 //      is not possible
 515                                 QDesktopWidget& dw = *qApp->desktop();
 516                                 QRect desk = dw.availableGeometry(dw.primaryScreen());
 517                                 if (maximized == VerticallyMaximized)
 518                                         resize(width, desk.height());
 519                                 if (maximized == HorizontallyMaximized)
 520                                         resize(desk.width(), height);
 521 #endif
 522                         }
 523                 }
 524         }
 525         else
 526         {
 527                 // FIXME: move this code into parse_geometry() (LyX.cpp)
 528 #ifdef Q_WS_WIN
 529                 int x, y;
 530                 int w, h;
 531                 QRegExp re( "[=]*(?:([0-9]+)[xX]([0-9]+)){0,1}[ ]*(?:([+-][0-9]*)([+-][0-9]*)){0,1}" );
 532                 re.indexIn(toqstr(geometryArg.c_str()));
 533                 w = re.cap(1).toInt();
 534                 h = re.cap(2).toInt();
 535                 x = re.cap(3).toInt();
 536                 y = re.cap(4).toInt();
 537                 QWidget::setGeometry( x, y, w, h );
 538 #else
 539                 // silence warning
 540                 (void)geometryArg;
 541 #endif
 542         }
 543
 544         d.setBackground();
 545
 546         show();
 547
 548         // For an unknown reason, the Window title update is not effective for
 549         // the second windows up until it is shown on screen (Qt bug?).
 550         updateWindowTitle();
 551
 552         // after show geometry() has changed (Qt bug?)
 553         // we compensate the drift when storing the position
 554         d.posx_offset = 0;
 555         d.posy_offset = 0;
 556         if (width != 0 && height != 0)
 557                 if (posx != -1 && posy != -1) {
 558 #ifdef Q_WS_WIN
 559                         d.posx_offset = posx - normalGeometry().x();
 560                         d.posy_offset = posy - normalGeometry().y();
 561 #else
 562 #ifndef Q_WS_MACX
 563                         if (maximized == NotMaximized) {
 564                                 d.posx_offset = posx - geometry().x();
 565                                 d.posy_offset = posy - geometry().y();
 566                         }
 567 #endif
 568 #endif
 569                 }
 570 }
 571
 572
 573 void GuiViewBase::setWindowTitle(docstring const & t, docstring const & it)
 574 {
 575         QString title = windowTitle();
 576         QString new_title = toqstr(t);
 577         if (title != new_title) {
 578                 QMainWindow::setWindowTitle(new_title);
 579                 QMainWindow::setWindowIconText(toqstr(it));
 580         }
 581 }
 582
 583
 584 void GuiViewBase::message(docstring const & str)
 585 {
 586         statusBar()->showMessage(toqstr(str));
 587         statusbar_timer_.stop();
 588         statusbar_timer_.start(statusbar_timer_value);
 589 }
 590
 591
 592 void GuiViewBase::clearMessage()
 593 {
 594         update_view_state_qt();
 595 }
 596
 597
 598 void GuiViewBase::setIconSize(unsigned int size)
 599 {
 600         d.lastIconSize = size;
 601         QMainWindow::setIconSize(QSize(size, size));
 602 }
 603
 604
 605 void GuiViewBase::smallSizedIcons()
 606 {
 607         setIconSize(d.smallIconSize);
 608 }
 609
 610
 611 void GuiViewBase::normalSizedIcons()
 612 {
 613         setIconSize(d.normalIconSize);
 614 }
 615
 616
 617 void GuiViewBase::bigSizedIcons()
 618 {
 619         setIconSize(d.bigIconSize);
 620 }
 621
 622
 623 void GuiViewBase::update_view_state_qt()
 624 {
 625         if (!hasFocus())
 626                 return;
 627         theLyXFunc().setLyXView(this);
 628         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 629         statusbar_timer_.stop();
 630 }
 631
 632
 633 void GuiViewBase::closeCurrentTab()
 634 {
 635         dispatch(FuncRequest(LFUN_BUFFER_CLOSE));
 636 }
 637
 638
 639 void GuiViewBase::currentTabChanged(int i)
 640 {
 641         disconnectBuffer();
 642         disconnectBufferView();
 643         GuiWorkArea * wa = dynamic_cast<GuiWorkArea *>(d.tab_widget_->widget(i));
 644         BOOST_ASSERT(wa);
 645         BufferView & bv = wa->bufferView();
 646         connectBufferView(bv);
 647         connectBuffer(bv.buffer());
 648         bv.updateMetrics(false);
 649         bv.cursor().fixIfBroken();
 650         wa->setUpdatesEnabled(true);
 651         wa->redraw();
 652         wa->setFocus();
 653
 654         updateToc();
 655         // Buffer-dependent dialogs should be updated or
 656         // hidden. This should go here because some dialogs (eg ToC)
 657         // require bv_->text.
 658         getDialogs().updateBufferDependent(true);
 659         updateToolbars();
 660         updateLayoutChoice();
 661         updateWindowTitle();
 662         updateStatusBar();
 663
 664         LYXERR(Debug::GUI) << "currentTabChanged " << i
 665                 << "File" << bv.buffer().fileName() << endl;
 666 }
 667
 668
 669 void GuiViewBase::updateStatusBar()
 670 {
 671         // let the user see the explicit message
 672         if (statusbar_timer_.isActive())
 673                 return;
 674
 675         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 676 }
 677
 678
 679 void GuiViewBase::activated(FuncRequest const & func)
 680 {
 681         dispatch(func);
 682 }
 683
 684
 685 bool GuiViewBase::hasFocus() const
 686 {
 687         return qApp->activeWindow() == this;
 688 }
 689
 690
 691 QRect  GuiViewBase::updateFloatingGeometry()
 692 {
 693         QDesktopWidget& dw = *qApp->desktop();
 694         QRect desk = dw.availableGeometry(dw.primaryScreen());
 695         // remember only non-maximized sizes
 696         if (!isMaximized() && desk.width() > frameGeometry().width() && desk.height() > frameGeometry().height()) {
 697                 floatingGeometry_ = QRect(x(), y(), width(), height());
 698         }
 699         return floatingGeometry_;
 700 }
 701
 702
 703 void GuiViewBase::resizeEvent(QResizeEvent *)
 704 {
 705         updateFloatingGeometry();
 706 }
 707
 708
 709 void GuiViewBase::moveEvent(QMoveEvent *)
 710 {
 711         updateFloatingGeometry();
 712 }
 713
 714
 715 bool GuiViewBase::event(QEvent * e)
 716 {
 717         switch (e->type())
 718         {
 719         // Useful debug code:
 720         //case QEvent::WindowActivate:
 721         //case QEvent::ActivationChange:
 722         //case QEvent::WindowDeactivate:
 723         //case QEvent::Paint:
 724         //case QEvent::Enter:
 725         //case QEvent::Leave:
 726         //case QEvent::HoverEnter:
 727         //case QEvent::HoverLeave:
 728         //case QEvent::HoverMove:
 729         //case QEvent::StatusTip:
 730         //case QEvent::DragEnter:
 731         //case QEvent::DragLeave:
 732         //case QEvent::Drop:
 733         //      break;
 734
 735         case QEvent::ShortcutOverride: {
 736                 QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 737                 if (d.tab_widget_->count() == 0) {
 738                         theLyXFunc().setLyXView(this);
 739                         KeySymbol sym;
 740                         setKeySymbol(&sym, ke);
 741                         theLyXFunc().processKeySym(sym, q_key_state(ke->modifiers()));
 742                         e->accept();
 743                         return true;
 744                 }
 745                 if (ke->key() == Qt::Key_Tab || ke->key() == Qt::Key_Backtab) {
 746                         KeySymbol sym;
 747                         setKeySymbol(&sym, ke);
 748                         currentWorkArea()->processKeySym(sym, key_modifier::none);
 749                         e->accept();
 750                         return true;
 751                 }
 752         }
 753         default:
 754                 return QMainWindow::event(e);
 755         }
 756 }
 757
 758
 759 bool GuiViewBase::focusNextPrevChild(bool /*next*/)
 760 {
 761         setFocus();
 762         return true;
 763 }
 764
 765
 766 void GuiViewBase::showView()
 767 {
 768         QMainWindow::setWindowTitle(qt_("LyX"));
 769         QMainWindow::show();
 770         updateFloatingGeometry();
 771 }
 772
 773
 774 void GuiViewBase::busy(bool yes)
 775 {
 776         if (d.tab_widget_->count()) {
 777                 GuiWorkArea * wa = dynamic_cast<GuiWorkArea *>(d.tab_widget_->currentWidget());
 778                 BOOST_ASSERT(wa);
 779                 wa->setUpdatesEnabled(!yes);
 780                 if (yes)
 781                         wa->stopBlinkingCursor();
 782                 else
 783                         wa->startBlinkingCursor();
 784         }
 785
 786         if (yes)
 787                 QApplication::setOverrideCursor(Qt::WaitCursor);
 788         else
 789                 QApplication::restoreOverrideCursor();
 790 }
 791
 792
 793 GuiToolbar * GuiViewBase::makeToolbar(ToolbarInfo const & tbinfo, bool newline)
 794 {
 795         GuiToolbar * toolBar = new GuiToolbar(tbinfo, *this);
 796
 797         if (tbinfo.flags & ToolbarInfo::TOP) {
 798                 if (newline)
 799                         addToolBarBreak(Qt::TopToolBarArea);
 800                 addToolBar(Qt::TopToolBarArea, toolBar);
 801         }
 802
 803         if (tbinfo.flags & ToolbarInfo::BOTTOM) {
 804 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 805 #if (QT_VERSION >= 0x040202)
 806                 if (newline)
 807                         addToolBarBreak(Qt::BottomToolBarArea);
 808 #endif
 809                 addToolBar(Qt::BottomToolBarArea, toolBar);
 810         }
 811
 812         if (tbinfo.flags & ToolbarInfo::LEFT) {
 813 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 814 #if (QT_VERSION >= 0x040202)
 815                 if (newline)
 816                         addToolBarBreak(Qt::LeftToolBarArea);
 817 #endif
 818                 addToolBar(Qt::LeftToolBarArea, toolBar);
 819         }
 820
 821         if (tbinfo.flags & ToolbarInfo::RIGHT) {
 822 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 823 #if (QT_VERSION >= 0x040202)
 824                 if (newline)
 825                         addToolBarBreak(Qt::RightToolBarArea);
 826 #endif
 827                 addToolBar(Qt::RightToolBarArea, toolBar);
 828         }
 829
 830         // The following does not work so I cannot restore to exact toolbar location
 831         /*
 832         ToolbarSection::ToolbarInfo & tbinfo = LyX::ref().session().toolbars().load(tbinfo.name);
 833         toolBar->move(tbinfo.posx, tbinfo.posy);
 834         */
 835
 836         return toolBar;
 837 }
 838
 839
 840 WorkArea * GuiViewBase::workArea(Buffer & buffer)
 841 {
 842         for (int i = 0; i != d.tab_widget_->count(); ++i) {
 843                 GuiWorkArea * wa = dynamic_cast<GuiWorkArea *>(d.tab_widget_->widget(i));
 844                 BOOST_ASSERT(wa);
 845                 if (&wa->bufferView().buffer() == &buffer)
 846                         return wa;
 847         }
 848         return 0;
 849 }
 850
 851
 852 WorkArea * GuiViewBase::addWorkArea(Buffer & buffer)
 853 {
 854         GuiWorkArea * wa = new GuiWorkArea(buffer, *this);
 855         wa->setUpdatesEnabled(false);
 856         d.tab_widget_->addTab(wa, toqstr(makeDisplayPath(buffer.fileName(), 30)));
 857         wa->bufferView().updateMetrics(false);
 858         if (d.stack_widget_)
 859                 d.stack_widget_->setCurrentWidget(d.tab_widget_);
 860         // Hide tabbar if there's only one tab.
 861         d.tab_widget_->showBar(d.tab_widget_->count() > 1);
 862         ///
 863         buffer.workAreaManager()->registerWorkArea(wa);
 864         return wa;
 865 }
 866
 867
 868 WorkArea * GuiViewBase::currentWorkArea()
 869 {
 870         if (d.tab_widget_->count() == 0)
 871                 return 0;
 872         BOOST_ASSERT(dynamic_cast<GuiWorkArea *>(d.tab_widget_->currentWidget()));
 873         return dynamic_cast<GuiWorkArea *>(d.tab_widget_->currentWidget());
 874 }
 875
 876
 877 WorkArea const * GuiViewBase::currentWorkArea() const
 878 {
 879         if (d.tab_widget_->count() == 0)
 880                 return 0;
 881         BOOST_ASSERT(dynamic_cast<GuiWorkArea const *>(d.tab_widget_->currentWidget()));
 882         return dynamic_cast<GuiWorkArea const *>(d.tab_widget_->currentWidget());
 883 }
 884
 885
 886 void GuiViewBase::setCurrentWorkArea(WorkArea * work_area)
 887 {
 888         BOOST_ASSERT(work_area);
 889
 890         // Changing work area can result from opening a file so
 891         // update the toc in any case.
 892         updateToc();
 893
 894         GuiWorkArea * wa = dynamic_cast<GuiWorkArea *>(work_area);
 895         BOOST_ASSERT(wa);
 896         if (wa != d.tab_widget_->currentWidget())
 897                 // Switch to the work area.
 898                 d.tab_widget_->setCurrentWidget(wa);
 899         else
 900                 // Make sure the work area is up to date.
 901                 currentTabChanged(d.tab_widget_->currentIndex());
 902         wa->setFocus();
 903 }
 904
 905
 906 void GuiViewBase::removeWorkArea(WorkArea * work_area)
 907 {
 908         BOOST_ASSERT(work_area);
 909         if (work_area == currentWorkArea()) {
 910                 disconnectBuffer();
 911                 disconnectBufferView();
 912         }
 913
 914         // removing a work area often results from closing a file so
 915         // update the toc in any case.
 916         updateToc();
 917
 918         GuiWorkArea * gwa = dynamic_cast<GuiWorkArea *>(work_area);
 919         gwa->setUpdatesEnabled(false);
 920         BOOST_ASSERT(gwa);
 921         int index = d.tab_widget_->indexOf(gwa);
 922         d.tab_widget_->removeTab(index);
 923
 924         delete gwa;
 925
 926         if (d.tab_widget_->count()) {
 927                 // make sure the next work area is enabled.
 928                 d.tab_widget_->currentWidget()->setUpdatesEnabled(true);
 929                 // Hide tabbar if there's only one tab.
 930                 d.tab_widget_->showBar(d.tab_widget_->count() > 1);
 931                 return;
 932         }
 933
 934         getDialogs().hideBufferDependent();
 935         if (d.stack_widget_) {
 936                 // No more work area, switch to the background widget.
 937                 d.setBackground();
 938         }
 939 }
 940
 941
 942 void GuiViewBase::showMiniBuffer(bool visible)
 943 {
 944         d.toolbars_->showCommandBuffer(visible);
 945 }
 946
 947
 948 void GuiViewBase::openMenu(docstring const & name)
 949 {
 950         d.menubar_->openByName(toqstr(name));
 951 }
 952
 953
 954 void GuiViewBase::openLayoutList()
 955 {
 956         d.toolbars_->openLayoutList();
 957 }
 958
 959
 960 void GuiViewBase::updateLayoutChoice()
 961 {
 962         // Don't show any layouts without a buffer
 963         if (!buffer()) {
 964                 d.toolbars_->clearLayoutList();
 965                 return;
 966         }
 967
 968         // Update the layout display
 969         if (d.toolbars_->updateLayoutList(buffer()->params().getTextClassPtr())) {
 970                 d.current_layout = buffer()->params().getTextClass().defaultLayoutName();
 971         }
 972
 973         docstring const & layout = currentWorkArea()->bufferView().cursor().
 974                 innerParagraph().layout()->name();
 975
 976         if (layout != d.current_layout) {
 977                 d.toolbars_->setLayout(layout);
 978                 d.current_layout = layout;
 979         }
 980 }
 981
 982
 983 bool GuiViewBase::isToolbarVisible(std::string const & id)
 984 {
 985         return d.toolbars_->visible(id);
 986 }
 987
 988 void GuiViewBase::updateToolbars()
 989 {
 990         WorkArea * wa = currentWorkArea();
 991         if (wa) {
 992                 bool const math =
 993                         wa->bufferView().cursor().inMathed();
 994                 bool const table =
 995                         lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
 996                 bool const review =
 997                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
 998                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onoff(true);
 999
1000                 d.toolbars_->update(math, table, review);
1001         } else
1002                 d.toolbars_->update(false, false, false);
1003
1004         // update read-only status of open dialogs.
1005         getDialogs().checkStatus();
1006 }
1007
1008
1009 ToolbarInfo * GuiViewBase::getToolbarInfo(string const & name)
1010 {
1011         return d.toolbars_->getToolbarInfo(name);
1012 }
1013
1014
1015 void GuiViewBase::toggleToolbarState(string const & name, bool allowauto)
1016 {
1017         // it is possible to get current toolbar status like this,...
1018         // but I decide to obey the order of ToolbarBackend::flags
1019         // and disregard real toolbar status.
1020         // toolbars_->saveToolbarInfo();
1021         //
1022         // toggle state on/off/auto
1023         d.toolbars_->toggleToolbarState(name, allowauto);
1024         // update toolbar
1025         updateToolbars();
1026 }
1027
1028
1029 } // namespace frontend
1030 } // namespace lyx
1031
1032 #include "GuiView_moc.cpp"