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 "QKeySymbol.h"
  21 #include "QLMenubar.h"
  22 #include "QLToolbar.h"
  23 #include "QCommandBuffer.h"
  24 #include "qt_helpers.h"
  25
  26 #include "frontends/Application.h"
  27 #include "frontends/Gui.h"
  28 #include "frontends/WorkArea.h"
  29
  30 #include "support/filetools.h"
  31 #include "support/convert.h"
  32 #include "support/lstrings.h"
  33 #include "support/os.h"
  34
  35 #include "Buffer.h"
  36 #include "BufferView.h"
  37 #include "BufferList.h"
  38 #include "callback.h"
  39 #include "debug.h"
  40 #include "FuncRequest.h"
  41 #include "LyX.h"
  42 #include "LyXFunc.h"
  43 #include "LyXRC.h"
  44 #include "MenuBackend.h"
  45 #include "Session.h"
  46
  47 #include <QAction>
  48 #include <QApplication>
  49 #include <QCloseEvent>
  50 #include <QDesktopWidget>
  51 #include <QDragEnterEvent>
  52 #include <QDropEvent>
  53 #include <QHBoxLayout>
  54 #include <QList>
  55 #include <QMimeData>
  56 #include <QPixmap>
  57 #include <QPushButton>
  58 #include <QStatusBar>
  59 #include <QToolBar>
  60 #include <QTabBar>
  61 #include <QUrl>
  62 #include <QVBoxLayout>
  63
  64
  65 #include <boost/bind.hpp>
  66 #include <boost/shared_ptr.hpp>
  67
  68 using std::endl;
  69 using std::string;
  70 using std::vector;
  71
  72 namespace lyx {
  73
  74 using support::FileName;
  75 using support::libFileSearch;
  76 using support::makeDisplayPath;
  77
  78 namespace frontend {
  79
  80 namespace {
  81
  82 int const statusbar_timer_value = 3000;
  83
  84 class TabWidget : public QWidget
  85 {
  86         QHBoxLayout* hlayout;
  87 public:
  88         QTabBar* tabbar;
  89         QPushButton* closeTabButton;
  90
  91         void hideTabsIfNecessary()
  92         {
  93                 if (tabbar->count() > 1) {
  94                         tabbar->show();
  95                         closeTabButton->show();
  96                 } else {
  97                         tabbar->hide();
  98                         closeTabButton->hide();
  99                 }
 100         }
 101
 102         TabWidget(QWidget* w, bool topTabBar)
 103         {
 104                 closeTabButton = new QPushButton(this);
 105                 FileName const file = support::libFileSearch("images", "closetab", "xpm");
 106                 if (!file.empty()) {
 107                         QPixmap pm(toqstr(file.absFilename()));
 108                         closeTabButton->setIcon(QIcon(pm));
 109                         closeTabButton->setMaximumSize(pm.size());
 110                         closeTabButton->setFlat(true);
 111                 } else {
 112                         closeTabButton->setText("Close");
 113                 }
 114                 closeTabButton->setCursor(Qt::ArrowCursor);
 115                 closeTabButton->setToolTip(tr("Close tab"));
 116                 closeTabButton->setEnabled(true);
 117
 118                 tabbar = new QTabBar;
 119 #if QT_VERSION >= 0x040200
 120                 tabbar->setUsesScrollButtons(true);
 121 #endif
 122                 hlayout = new QHBoxLayout;
 123                 QVBoxLayout* vlayout = new QVBoxLayout;
 124                 hlayout->addWidget(tabbar);
 125                 hlayout->addWidget(closeTabButton);
 126                 if (topTabBar) {
 127                         vlayout->addLayout(hlayout);
 128                         vlayout->addWidget(w);
 129                 } else {
 130                         tabbar->setShape(QTabBar::RoundedSouth);
 131                         vlayout->addWidget(w);
 132                         vlayout->addLayout(hlayout);
 133                 }
 134                 vlayout->setMargin(0);
 135                 vlayout->setSpacing(0);
 136                 hlayout->setMargin(0);
 137                 setLayout(vlayout);
 138                 hideTabsIfNecessary();
 139         }
 140
 141         void clearTabbar()
 142         {
 143                 for (int i = tabbar->count() - 1; i >= 0; --i)
 144                         tabbar->removeTab(i);
 145         }
 146 };
 147
 148 } // namespace anon
 149
 150
 151 struct GuiView::GuiViewPrivate
 152 {
 153         vector<string> tabnames;
 154         string cur_title;
 155
 156         TabWidget* tabWidget;
 157
 158         int posx_offset;
 159         int posy_offset;
 160
 161         GuiViewPrivate() : tabWidget(0), posx_offset(0), posy_offset(0)
 162         {}
 163
 164         unsigned int smallIconSize;
 165         unsigned int normalIconSize;
 166         unsigned int bigIconSize;
 167         // static needed by "New Window"
 168         static unsigned int lastIconSize;
 169
 170         QMenu* toolBarPopup(GuiView *parent)
 171         {
 172                 // FIXME: translation
 173                 QMenu* menu = new QMenu(parent);
 174                 QActionGroup *iconSizeGroup = new QActionGroup(parent);
 175
 176                 QAction *smallIcons = new QAction(iconSizeGroup);
 177                 smallIcons->setText(qt_("Small-sized icons"));
 178                 smallIcons->setCheckable(true);
 179                 QObject::connect(smallIcons, SIGNAL(triggered()), parent, SLOT(smallSizedIcons()));
 180                 menu->addAction(smallIcons);
 181
 182                 QAction *normalIcons = new QAction(iconSizeGroup);
 183                 normalIcons->setText(qt_("Normal-sized icons"));
 184                 normalIcons->setCheckable(true);
 185                 QObject::connect(normalIcons, SIGNAL(triggered()), parent, SLOT(normalSizedIcons()));
 186                 menu->addAction(normalIcons);
 187
 188                 QAction *bigIcons = new QAction(iconSizeGroup);
 189                 bigIcons->setText(qt_("Big-sized icons"));
 190                 bigIcons->setCheckable(true);
 191                 QObject::connect(bigIcons, SIGNAL(triggered()), parent, SLOT(bigSizedIcons()));
 192                 menu->addAction(bigIcons);
 193
 194                 unsigned int cur = parent->iconSize().width();
 195                 if ( cur == parent->d.smallIconSize)
 196                         smallIcons->setChecked(true);
 197                 else if (cur == parent->d.normalIconSize)
 198                         normalIcons->setChecked(true);
 199                 else if (cur == parent->d.bigIconSize)
 200                         bigIcons->setChecked(true);
 201
 202                 return menu;
 203         }
 204 };
 205
 206
 207 unsigned int GuiView::GuiViewPrivate::lastIconSize = 0;
 208
 209
 210 GuiView::GuiView(int id)
 211         : QMainWindow(), LyXView(id), commandbuffer_(0), quitting_by_menu_(false),
 212           d(*new GuiViewPrivate)
 213 {
 214         // Qt bug? signal lastWindowClosed does not work
 215         setAttribute(Qt::WA_QuitOnClose, false);
 216         setAttribute(Qt::WA_DeleteOnClose, true);
 217
 218         // hardcode here the platform specific icon size
 219         d.smallIconSize = 14;   // scaling problems
 220         d.normalIconSize = 20;  // ok, default
 221         d.bigIconSize = 26;             // better for some math icons
 222
 223 #ifndef Q_WS_MACX
 224         //  assign an icon to main form. We do not do it under Qt/Mac,
 225         //  since the icon is provided in the application bundle.
 226         FileName const iconname = libFileSearch("images", "lyx", "xpm");
 227         if (!iconname.empty())
 228                 setWindowIcon(QPixmap(toqstr(iconname.absFilename())));
 229 #endif
 230
 231         // For Drag&Drop.
 232         setAcceptDrops(true);
 233 }
 234
 235
 236 GuiView::~GuiView()
 237 {
 238         menubar_.reset();
 239         delete &d;
 240 }
 241
 242
 243 void GuiView::close()
 244 {
 245         quitting_by_menu_ = true;
 246         QMainWindow::close();
 247         quitting_by_menu_ = false;
 248 }
 249
 250
 251 void GuiView::setFocus()
 252 {
 253         BOOST_ASSERT(work_area_);
 254         static_cast<GuiWorkArea *>(work_area_)->setFocus();
 255 }
 256
 257
 258 QMenu* GuiView::createPopupMenu()
 259 {
 260         return d.toolBarPopup(this);
 261 }
 262
 263
 264 void GuiView::init()
 265 {
 266         menubar_.reset(new QLMenubar(this, menubackend));
 267         QObject::connect(menuBar(), SIGNAL(triggered(QAction *)),
 268                 this, SLOT(updateMenu(QAction *)));
 269
 270         getToolbars().init();
 271
 272         statusBar()->setSizeGripEnabled(true);
 273
 274         QObject::connect(&statusbar_timer_, SIGNAL(timeout()),
 275                 this, SLOT(update_view_state_qt()));
 276
 277         BOOST_ASSERT(work_area_);
 278         if (!work_area_->bufferView().buffer() && !theBufferList().empty())
 279                 setBuffer(theBufferList().first());
 280
 281         // make sure the buttons are disabled if needed
 282         updateToolbars();
 283         updateLayoutChoice();
 284         updateMenubar();
 285 }
 286
 287
 288 void GuiView::closeEvent(QCloseEvent * close_event)
 289 {
 290         // we may have been called through the close window button
 291         // which bypasses the LFUN machinery.
 292         if (!quitting_by_menu_ && theApp()->gui().viewIds().size() == 1) {
 293                 if (!theBufferList().quitWriteAll()) {
 294                         close_event->ignore();
 295                         return;
 296                 }
 297         }
 298
 299         // Make sure that no LFUN use this close to be closed View.
 300         theLyXFunc().setLyXView(0);
 301         // Make sure the timer time out will not trigger a statusbar update.
 302         statusbar_timer_.stop();
 303
 304         theApp()->gui().unregisterView(id());
 305         if (!theApp()->gui().viewIds().empty()) {
 306                 // Just close the window and do nothing else if this is not the
 307                 // last window.
 308                 close_event->accept();
 309                 return;
 310         }
 311
 312         quitting = true;
 313
 314         if (view()->buffer()) {
 315                 // save cursor position for opened files to .lyx/session
 316                 // only bottom (whole doc) level pit and pos is saved.
 317                 LyX::ref().session().lastFilePos().save(
 318                         FileName(buffer()->fileName()),
 319                         boost::tie(view()->cursor().bottom().pit(),
 320                         view()->cursor().bottom().pos()));
 321         }
 322
 323         // this is the place where we leave the frontend.
 324         // it is the only point at which we start quitting.
 325         saveGeometry();
 326         close_event->accept();
 327         // quit the event loop
 328         qApp->quit();
 329 }
 330
 331
 332 void GuiView::dragEnterEvent(QDragEnterEvent * event)
 333 {
 334         if (event->mimeData()->hasUrls())
 335                 event->accept();
 336         /// \todo Ask lyx-devel is this is enough:
 337         /// if (event->mimeData()->hasFormat("text/plain"))
 338         ///     event->acceptProposedAction();
 339 }
 340
 341
 342 void GuiView::dropEvent(QDropEvent* event)
 343 {
 344         QList<QUrl> files = event->mimeData()->urls();
 345         if (files.isEmpty())
 346                 return;
 347
 348         LYXERR(Debug::GUI) << BOOST_CURRENT_FUNCTION
 349                 << " got URLs!" << endl;
 350         for (int i = 0; i!=files.size(); ++i) {
 351                 string const file = support::os::internal_path(fromqstr(
 352                         files.at(i).toLocalFile()));
 353                 if (!file.empty())
 354                         dispatch(FuncRequest(LFUN_FILE_OPEN, file));
 355         }
 356 }
 357
 358
 359 void GuiView::saveGeometry()
 360 {
 361         static bool done = false;
 362         if (done)
 363                 return;
 364         else
 365                 done = true;
 366
 367         // FIXME:
 368         // change the ifdef to 'geometry = normalGeometry();' only
 369         // when Trolltech has fixed the broken normalGeometry on X11:
 370         // http://www.trolltech.com/developer/task-tracker/index_html?id=119684+&method=entry
 371         // Then also the moveEvent, resizeEvent, and the
 372         // code for floatingGeometry_ can be removed;
 373         // adjust GuiView::setGeometry()
 374
 375         QRect normal_geometry;
 376         int maximized;
 377 #ifdef Q_WS_WIN
 378         normal_geometry = normalGeometry();
 379         if (isMaximized()) {
 380                 maximized = CompletelyMaximized;
 381         } else {
 382                 maximized = NotMaximized;
 383         }
 384 #else
 385         normal_geometry = updateFloatingGeometry();
 386
 387         QDesktopWidget& dw = *qApp->desktop();
 388         QRect desk = dw.availableGeometry(dw.primaryScreen());
 389         // Qt bug on Linux: load completely maximized, vert max. save-> frameGeometry().height() is wrong
 390         if (isMaximized() && desk.width() <= frameGeometry().width() && desk.height() <= frameGeometry().height()) {
 391                 maximized = CompletelyMaximized;
 392                 // maximizing does not work when the window is allready hor. or vert. maximized
 393                 // Tested only on KDE
 394                 int dh = frameGeometry().height() - height();
 395                 if (desk.height() <= normal_geometry.height() + dh)
 396                         normal_geometry.setHeight(normal_geometry.height() - 1);
 397                 int dw = frameGeometry().width() - width();
 398                 if (desk.width() <= normal_geometry.width() + dw)
 399                         normal_geometry.setWidth(normal_geometry.width() - 1);
 400         } else if (desk.height() <= frameGeometry().height()) {
 401                 maximized = VerticallyMaximized;
 402         } else if (desk.width() <= frameGeometry().width()) {
 403                 maximized = HorizontallyMaximized;
 404         } else {
 405                 maximized = NotMaximized;
 406         }
 407
 408
 409 #endif
 410         // save windows size and position
 411         Session & session = LyX::ref().session();
 412         session.sessionInfo().save("WindowWidth", convert<string>(normal_geometry.width()));
 413         session.sessionInfo().save("WindowHeight", convert<string>(normal_geometry.height()));
 414         session.sessionInfo().save("WindowMaximized", convert<string>(maximized));
 415         session.sessionInfo().save("IconSizeXY", convert<string>(iconSize().width()));
 416         if (lyxrc.geometry_xysaved) {
 417                 session.sessionInfo().save("WindowPosX", convert<string>(normal_geometry.x() + d.posx_offset));
 418                 session.sessionInfo().save("WindowPosY", convert<string>(normal_geometry.y() + d.posy_offset));
 419         }
 420         getToolbars().saveToolbarInfo();
 421 }
 422
 423
 424 void GuiView::setGeometry(unsigned int width,
 425                           unsigned int height,
 426                           int posx, int posy,
 427                           int maximized,
 428                           unsigned int iconSizeXY,
 429                           const string & geometryArg)
 430 {
 431         // use last value (not at startup)
 432         if (d.lastIconSize != 0)
 433                 setIconSize(d.lastIconSize);
 434         else if (iconSizeXY != 0)
 435                 setIconSize(iconSizeXY);
 436         else
 437                 setIconSize(d.normalIconSize);
 438
 439         // only true when the -geometry option was NOT used
 440         if (width != 0 && height != 0) {
 441                 if (posx != -1 && posy != -1) {
 442                         // if there are startup positioning problems:
 443                         // http://doc.trolltech.com/4.2/qdesktopwidget.html
 444                         QDesktopWidget& dw = *qApp->desktop();
 445                         if (dw.isVirtualDesktop()) {
 446                                 if(!dw.geometry().contains(posx, posy)) {
 447                                         posx = 50;
 448                                         posy = 50;
 449                                 }
 450                         } else {
 451                                 // Which system doesn't use a virtual desktop?
 452                                 // TODO save also last screen number and check if it is still availabe.
 453                         }
 454 #ifdef Q_WS_WIN
 455                         // FIXME: use setGeometry only when Trolltech has fixed the qt4/X11 bug
 456                         QWidget::setGeometry(posx, posy, width, height);
 457 #else
 458                         resize(width, height);
 459                         move(posx, posy);
 460 #endif
 461                 } else {
 462                         resize(width, height);
 463                 }
 464
 465                 // remember original size
 466                 floatingGeometry_ = QRect(posx, posy, width, height);
 467
 468                 if (maximized != NotMaximized) {
 469                         if (maximized == CompletelyMaximized) {
 470                                 setWindowState(Qt::WindowMaximized);
 471                         } else {
 472 #ifndef Q_WS_WIN
 473                                 // TODO How to set by the window manager?
 474                                 //      setWindowState(Qt::WindowVerticallyMaximized);
 475                                 //      is not possible
 476                                 QDesktopWidget& dw = *qApp->desktop();
 477                                 QRect desk = dw.availableGeometry(dw.primaryScreen());
 478                                 if (maximized == VerticallyMaximized)
 479                                         resize(width, desk.height());
 480                                 if (maximized == HorizontallyMaximized)
 481                                         resize(desk.width(), height);
 482 #endif
 483                         }
 484                 }
 485         }
 486         else
 487         {
 488                 // FIXME: move this code into parse_geometry() (LyX.cpp)
 489 #ifdef Q_WS_WIN
 490                 int x, y;
 491                 int w, h;
 492                 QRegExp re( "[=]*(?:([0-9]+)[xX]([0-9]+)){0,1}[ ]*(?:([+-][0-9]*)([+-][0-9]*)){0,1}" );
 493                 re.indexIn(toqstr(geometryArg.c_str()));
 494                 w = re.cap(1).toInt();
 495                 h = re.cap(2).toInt();
 496                 x = re.cap(3).toInt();
 497                 y = re.cap(4).toInt();
 498                 QWidget::setGeometry( x, y, w, h );
 499 #else
 500                 // silence warning
 501                 (void)geometryArg;
 502 #endif
 503         }
 504
 505         show();
 506
 507         // For an unknown reason, the Window title update is not effective for
 508         // the second windows up until it is shown on screen (Qt bug?).
 509         updateWindowTitle();
 510
 511         // after show geometry() has changed (Qt bug?)
 512         // we compensate the drift when storing the position
 513         d.posx_offset = 0;
 514         d.posy_offset = 0;
 515         if (width != 0 && height != 0)
 516                 if (posx != -1 && posy != -1) {
 517 #ifdef Q_WS_WIN
 518                         d.posx_offset = posx - normalGeometry().x();
 519                         d.posy_offset = posy - normalGeometry().y();
 520 #else
 521 #ifndef Q_WS_MACX
 522                         if (maximized == NotMaximized) {
 523                                 d.posx_offset = posx - geometry().x();
 524                                 d.posy_offset = posy - geometry().y();
 525                         }
 526 #endif
 527 #endif
 528                 }
 529 }
 530
 531
 532 void GuiView::updateMenu(QAction * /*action*/)
 533 {
 534         menubar_->update();
 535 }
 536
 537
 538 void GuiView::setWindowTitle(docstring const & t, docstring const & it)
 539 {
 540         QString title = windowTitle();
 541         QString new_title = toqstr(t);
 542         if (title != new_title) {
 543                 QMainWindow::setWindowTitle(new_title);
 544                 QMainWindow::setWindowIconText(toqstr(it));
 545         }
 546 }
 547
 548
 549 void GuiView::addCommandBuffer(QToolBar * toolbar)
 550 {
 551         commandbuffer_ = new QCommandBuffer(this, *controlcommand_);
 552         focus_command_buffer.connect(boost::bind(&GuiView::focus_command_widget, this));
 553         toolbar->addWidget(commandbuffer_);
 554 }
 555
 556
 557 void GuiView::message(docstring const & str)
 558 {
 559         statusBar()->showMessage(toqstr(str));
 560         statusbar_timer_.stop();
 561         statusbar_timer_.start(statusbar_timer_value);
 562 }
 563
 564
 565 void GuiView::clearMessage()
 566 {
 567         update_view_state_qt();
 568 }
 569
 570
 571 void GuiView::setIconSize(unsigned int size)
 572 {
 573         d.lastIconSize = size;
 574         QMainWindow::setIconSize(QSize(size, size));
 575 }
 576
 577
 578 void GuiView::smallSizedIcons()
 579 {
 580         setIconSize(d.smallIconSize);
 581 }
 582
 583
 584 void GuiView::normalSizedIcons()
 585 {
 586         setIconSize(d.normalIconSize);
 587 }
 588
 589
 590 void GuiView::bigSizedIcons()
 591 {
 592         setIconSize(d.bigIconSize);
 593 }
 594
 595
 596 void GuiView::focus_command_widget()
 597 {
 598         if (commandbuffer_)
 599                 commandbuffer_->focus_command();
 600 }
 601
 602
 603 void GuiView::update_view_state_qt()
 604 {
 605         if (!hasFocus())
 606                 return;
 607         theLyXFunc().setLyXView(this);
 608         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 609         statusbar_timer_.stop();
 610 }
 611
 612
 613 void GuiView::initTab(QWidget* workarea)
 614 {
 615         // construct the TabWidget with 'false' to have the tabbar at the bottom
 616         d.tabWidget = new TabWidget(workarea, true);
 617         setCentralWidget(d.tabWidget);
 618         QObject::connect(d.tabWidget->tabbar, SIGNAL(currentChanged(int)),
 619                         this, SLOT(currentTabChanged(int)));
 620         QObject::connect(d.tabWidget->closeTabButton, SIGNAL(clicked()),
 621                         this, SLOT(closeCurrentTab()));
 622 }
 623
 624
 625 void GuiView::updateTab()
 626 {
 627         std::vector<string> const & names = theBufferList().getFileNames();
 628
 629         string cur_title;
 630         if (view()->buffer()) {
 631                 cur_title = view()->buffer()->fileName();
 632         }
 633
 634         // avoid unnecessary tabbar rebuild:
 635         // check if something has changed
 636         if (d.tabnames == names && d.cur_title == cur_title)
 637                 return;
 638         d.tabnames = names;
 639         d.cur_title = cur_title;
 640
 641         QTabBar & tabbar = *d.tabWidget->tabbar;
 642
 643         // update when all is done
 644         tabbar.blockSignals(true);
 645
 646         // remove all tab bars
 647         d.tabWidget->clearTabbar();
 648
 649         // rebuild tabbar and function map from scratch
 650         if (names.size() > 1) {
 651                 for(size_t i = 0; i < names.size(); i++) {
 652                         tabbar.addTab(toqstr(makeDisplayPath(names[i], 30)));
 653                         // set current tab
 654                         if (names[i] == cur_title)
 655                                 tabbar.setCurrentIndex(i);
 656                 }
 657         }
 658         tabbar.blockSignals(false);
 659         d.tabWidget->hideTabsIfNecessary();
 660 }
 661
 662
 663 void GuiView::closeCurrentTab()
 664 {
 665         dispatch(FuncRequest(LFUN_BUFFER_CLOSE));
 666 }
 667
 668
 669 void GuiView::currentTabChanged(int i)
 670 {
 671         BOOST_ASSERT(i >= 0 && size_type(i) < d.tabnames.size());
 672         dispatch(FuncRequest(LFUN_BUFFER_SWITCH, d.tabnames[i]));
 673 }
 674
 675
 676 void GuiView::updateStatusBar()
 677 {
 678         // let the user see the explicit message
 679         if (statusbar_timer_.isActive())
 680                 return;
 681
 682         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 683 }
 684
 685
 686 void GuiView::activated(FuncRequest const & func)
 687 {
 688         dispatch(func);
 689 }
 690
 691
 692 bool GuiView::hasFocus() const
 693 {
 694         return qApp->activeWindow() == this;
 695 }
 696
 697
 698 QRect  GuiView::updateFloatingGeometry()
 699 {
 700         QDesktopWidget& dw = *qApp->desktop();
 701         QRect desk = dw.availableGeometry(dw.primaryScreen());
 702         // remember only non-maximized sizes
 703         if (!isMaximized() && desk.width() > frameGeometry().width() && desk.height() > frameGeometry().height()) {
 704                 floatingGeometry_ = QRect(x(), y(), width(), height());
 705         }
 706         return floatingGeometry_;
 707 }
 708
 709
 710 void GuiView::resizeEvent(QResizeEvent *)
 711 {
 712         updateFloatingGeometry();
 713 }
 714
 715
 716 void GuiView::moveEvent(QMoveEvent *)
 717 {
 718         updateFloatingGeometry();
 719 }
 720
 721
 722 bool GuiView::event(QEvent * e)
 723 {
 724         switch (e->type())
 725         {
 726         // Useful debug code:
 727         //case QEvent::WindowActivate:
 728         //case QEvent::ActivationChange:
 729         //case QEvent::WindowDeactivate:
 730         //case QEvent::Paint:
 731         //case QEvent::Enter:
 732         //case QEvent::Leave:
 733         //case QEvent::HoverEnter:
 734         //case QEvent::HoverLeave:
 735         //case QEvent::HoverMove:
 736         //case QEvent::StatusTip:
 737         //case QEvent::DragEnter:
 738         //case QEvent::DragLeave:
 739         //case QEvent::Drop:
 740         //      break;
 741
 742         case QEvent::ShortcutOverride: {
 743                 QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 744                 if (ke->key() == Qt::Key_Tab || ke->key() == Qt::Key_Backtab) {
 745                         boost::shared_ptr<QKeySymbol> sym(new QKeySymbol);
 746                         sym->set(ke);
 747                         BOOST_ASSERT(work_area_);
 748                         work_area_->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 GuiView::focusNextPrevChild(bool /*next*/)
 760 {
 761         setFocus();
 762         return true;
 763 }
 764
 765
 766 void GuiView::show()
 767 {
 768         QMainWindow::setWindowTitle(qt_("LyX"));
 769         QMainWindow::show();
 770         updateFloatingGeometry();
 771 }
 772
 773
 774 void GuiView::busy(bool yes)
 775 {
 776         BOOST_ASSERT(work_area_);
 777         static_cast<GuiWorkArea *>(work_area_)->setUpdatesEnabled(!yes);
 778
 779         if (yes) {
 780                 work_area_->stopBlinkingCursor();
 781                 QApplication::setOverrideCursor(Qt::WaitCursor);
 782         }
 783         else {
 784                 work_area_->startBlinkingCursor();
 785                 QApplication::restoreOverrideCursor();
 786         }
 787 }
 788
 789
 790 Toolbars::ToolbarPtr GuiView::makeToolbar(ToolbarInfo const & tbinfo, bool newline)
 791 {
 792         QLToolbar * Tb = new QLToolbar(tbinfo, *this);
 793
 794         if (tbinfo.flags & ToolbarInfo::TOP) {
 795                 if (newline)
 796                         addToolBarBreak(Qt::TopToolBarArea);
 797                 addToolBar(Qt::TopToolBarArea, Tb);
 798         }
 799
 800         if (tbinfo.flags & ToolbarInfo::BOTTOM) {
 801 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 802 #if (QT_VERSION >= 0x040202)
 803                 if (newline)
 804                         addToolBarBreak(Qt::BottomToolBarArea);
 805 #endif
 806                 addToolBar(Qt::BottomToolBarArea, Tb);
 807         }
 808
 809         if (tbinfo.flags & ToolbarInfo::LEFT) {
 810 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 811 #if (QT_VERSION >= 0x040202)
 812                 if (newline)
 813                         addToolBarBreak(Qt::LeftToolBarArea);
 814 #endif
 815                 addToolBar(Qt::LeftToolBarArea, Tb);
 816         }
 817
 818         if (tbinfo.flags & ToolbarInfo::RIGHT) {
 819 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 820 #if (QT_VERSION >= 0x040202)
 821                 if (newline)
 822                         addToolBarBreak(Qt::RightToolBarArea);
 823 #endif
 824                 addToolBar(Qt::RightToolBarArea, Tb);
 825         }
 826
 827         // The following does not work so I cannot restore to exact toolbar location
 828         /*
 829         ToolbarSection::ToolbarInfo & tbinfo = LyX::ref().session().toolbars().load(tbinfo.name);
 830         Tb->move(tbinfo.posx, tbinfo.posy);
 831         */
 832
 833         return Toolbars::ToolbarPtr(Tb);
 834 }
 835
 836 } // namespace frontend
 837 } // namespace lyx
 838
 839 #include "GuiView_moc.cpp"