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                 quitting = true;
 307                 // Just close the window and do nothing else if this is not the
 308                 // last window.
 309                 close_event->accept();
 310                 return;
 311         }
 312
 313         if (view()->buffer()) {
 314                 // save cursor position for opened files to .lyx/session
 315                 // only bottom (whole doc) level pit and pos is saved.
 316                 LyX::ref().session().lastFilePos().save(
 317                         FileName(buffer()->fileName()),
 318                         boost::tie(view()->cursor().bottom().pit(),
 319                         view()->cursor().bottom().pos()));
 320         }
 321
 322         // this is the place where we leave the frontend.
 323         // it is the only point at which we start quitting.
 324         saveGeometry();
 325         close_event->accept();
 326         // quit the event loop
 327         qApp->quit();
 328 }
 329
 330
 331 void GuiView::dragEnterEvent(QDragEnterEvent * event)
 332 {
 333         if (event->mimeData()->hasUrls())
 334                 event->accept();
 335         /// \todo Ask lyx-devel is this is enough:
 336         /// if (event->mimeData()->hasFormat("text/plain"))
 337         ///     event->acceptProposedAction();
 338 }
 339
 340
 341 void GuiView::dropEvent(QDropEvent* event)
 342 {
 343         QList<QUrl> files = event->mimeData()->urls();
 344         if (files.isEmpty())
 345                 return;
 346
 347         LYXERR(Debug::GUI) << BOOST_CURRENT_FUNCTION
 348                 << " got URLs!" << endl;
 349         for (int i = 0; i!=files.size(); ++i) {
 350                 string const file = support::os::internal_path(fromqstr(
 351                         files.at(i).toLocalFile()));
 352                 if (!file.empty())
 353                         dispatch(FuncRequest(LFUN_FILE_OPEN, file));
 354         }
 355 }
 356
 357
 358 void GuiView::saveGeometry()
 359 {
 360         static bool done = false;
 361         if (done)
 362                 return;
 363         else
 364                 done = true;
 365
 366         // FIXME:
 367         // change the ifdef to 'geometry = normalGeometry();' only
 368         // when Trolltech has fixed the broken normalGeometry on X11:
 369         // http://www.trolltech.com/developer/task-tracker/index_html?id=119684+&method=entry
 370         // Then also the moveEvent, resizeEvent, and the
 371         // code for floatingGeometry_ can be removed;
 372         // adjust GuiView::setGeometry()
 373
 374         QRect normal_geometry;
 375         int maximized;
 376 #ifdef Q_WS_WIN
 377         normal_geometry = normalGeometry();
 378         if (isMaximized()) {
 379                 maximized = CompletelyMaximized;
 380         } else {
 381                 maximized = NotMaximized;
 382         }
 383 #else
 384         normal_geometry = updateFloatingGeometry();
 385
 386         QDesktopWidget& dw = *qApp->desktop();
 387         QRect desk = dw.availableGeometry(dw.primaryScreen());
 388         // Qt bug on Linux: load completely maximized, vert max. save-> frameGeometry().height() is wrong
 389         if (isMaximized() && desk.width() <= frameGeometry().width() && desk.height() <= frameGeometry().height()) {
 390                 maximized = CompletelyMaximized;
 391                 // maximizing does not work when the window is allready hor. or vert. maximized
 392                 // Tested only on KDE
 393                 int dh = frameGeometry().height() - height();
 394                 if (desk.height() <= normal_geometry.height() + dh)
 395                         normal_geometry.setHeight(normal_geometry.height() - 1);
 396                 int dw = frameGeometry().width() - width();
 397                 if (desk.width() <= normal_geometry.width() + dw)
 398                         normal_geometry.setWidth(normal_geometry.width() - 1);
 399         } else if (desk.height() <= frameGeometry().height()) {
 400                 maximized = VerticallyMaximized;
 401         } else if (desk.width() <= frameGeometry().width()) {
 402                 maximized = HorizontallyMaximized;
 403         } else {
 404                 maximized = NotMaximized;
 405         }
 406
 407
 408 #endif
 409         // save windows size and position
 410         Session & session = LyX::ref().session();
 411         session.sessionInfo().save("WindowWidth", convert<string>(normal_geometry.width()));
 412         session.sessionInfo().save("WindowHeight", convert<string>(normal_geometry.height()));
 413         session.sessionInfo().save("WindowMaximized", convert<string>(maximized));
 414         session.sessionInfo().save("IconSizeXY", convert<string>(iconSize().width()));
 415         if (lyxrc.geometry_xysaved) {
 416                 session.sessionInfo().save("WindowPosX", convert<string>(normal_geometry.x() + d.posx_offset));
 417                 session.sessionInfo().save("WindowPosY", convert<string>(normal_geometry.y() + d.posy_offset));
 418         }
 419         getToolbars().saveToolbarInfo();
 420 }
 421
 422
 423 void GuiView::setGeometry(unsigned int width,
 424                           unsigned int height,
 425                           int posx, int posy,
 426                           int maximized,
 427                           unsigned int iconSizeXY,
 428                           const string & geometryArg)
 429 {
 430         // use last value (not at startup)
 431         if (d.lastIconSize != 0)
 432                 setIconSize(d.lastIconSize);
 433         else if (iconSizeXY != 0)
 434                 setIconSize(iconSizeXY);
 435         else
 436                 setIconSize(d.normalIconSize);
 437
 438         // only true when the -geometry option was NOT used
 439         if (width != 0 && height != 0) {
 440                 if (posx != -1 && posy != -1) {
 441                         // if there are startup positioning problems:
 442                         // http://doc.trolltech.com/4.2/qdesktopwidget.html
 443                         QDesktopWidget& dw = *qApp->desktop();
 444                         if (dw.isVirtualDesktop()) {
 445                                 if(!dw.geometry().contains(posx, posy)) {
 446                                         posx = 50;
 447                                         posy = 50;
 448                                 }
 449                         } else {
 450                                 // Which system doesn't use a virtual desktop?
 451                                 // TODO save also last screen number and check if it is still availabe.
 452                         }
 453 #ifdef Q_WS_WIN
 454                         // FIXME: use setGeometry only when Trolltech has fixed the qt4/X11 bug
 455                         QWidget::setGeometry(posx, posy, width, height);
 456 #else
 457                         resize(width, height);
 458                         move(posx, posy);
 459 #endif
 460                 } else {
 461                         resize(width, height);
 462                 }
 463
 464                 // remember original size
 465                 floatingGeometry_ = QRect(posx, posy, width, height);
 466
 467                 if (maximized != NotMaximized) {
 468                         if (maximized == CompletelyMaximized) {
 469                                 setWindowState(Qt::WindowMaximized);
 470                         } else {
 471 #ifndef Q_WS_WIN
 472                                 // TODO How to set by the window manager?
 473                                 //      setWindowState(Qt::WindowVerticallyMaximized);
 474                                 //      is not possible
 475                                 QDesktopWidget& dw = *qApp->desktop();
 476                                 QRect desk = dw.availableGeometry(dw.primaryScreen());
 477                                 if (maximized == VerticallyMaximized)
 478                                         resize(width, desk.height());
 479                                 if (maximized == HorizontallyMaximized)
 480                                         resize(desk.width(), height);
 481 #endif
 482                         }
 483                 }
 484         }
 485         else
 486         {
 487                 // FIXME: move this code into parse_geometry() (LyX.cpp)
 488 #ifdef Q_WS_WIN
 489                 int x, y;
 490                 int w, h;
 491                 QRegExp re( "[=]*(?:([0-9]+)[xX]([0-9]+)){0,1}[ ]*(?:([+-][0-9]*)([+-][0-9]*)){0,1}" );
 492                 re.indexIn(toqstr(geometryArg.c_str()));
 493                 w = re.cap(1).toInt();
 494                 h = re.cap(2).toInt();
 495                 x = re.cap(3).toInt();
 496                 y = re.cap(4).toInt();
 497                 QWidget::setGeometry( x, y, w, h );
 498 #else
 499                 // silence warning
 500                 (void)geometryArg;
 501 #endif
 502         }
 503
 504         show();
 505
 506         // For an unknown reason, the Window title update is not effective for
 507         // the second windows up until it is shown on screen (Qt bug?).
 508         updateWindowTitle();
 509
 510         // after show geometry() has changed (Qt bug?)
 511         // we compensate the drift when storing the position
 512         d.posx_offset = 0;
 513         d.posy_offset = 0;
 514         if (width != 0 && height != 0)
 515                 if (posx != -1 && posy != -1) {
 516 #ifdef Q_WS_WIN
 517                         d.posx_offset = posx - normalGeometry().x();
 518                         d.posy_offset = posy - normalGeometry().y();
 519 #else
 520 #ifndef Q_WS_MACX
 521                         if (maximized == NotMaximized) {
 522                                 d.posx_offset = posx - geometry().x();
 523                                 d.posy_offset = posy - geometry().y();
 524                         }
 525 #endif
 526 #endif
 527                 }
 528 }
 529
 530
 531 void GuiView::updateMenu(QAction * /*action*/)
 532 {
 533         menubar_->update();
 534 }
 535
 536
 537 void GuiView::setWindowTitle(docstring const & t, docstring const & it)
 538 {
 539         QString title = windowTitle();
 540         QString new_title = toqstr(t);
 541         if (title != new_title) {
 542                 QMainWindow::setWindowTitle(new_title);
 543                 QMainWindow::setWindowIconText(toqstr(it));
 544         }
 545 }
 546
 547
 548 void GuiView::addCommandBuffer(QToolBar * toolbar)
 549 {
 550         commandbuffer_ = new QCommandBuffer(this, *controlcommand_);
 551         focus_command_buffer.connect(boost::bind(&GuiView::focus_command_widget, this));
 552         toolbar->addWidget(commandbuffer_);
 553 }
 554
 555
 556 void GuiView::message(docstring const & str)
 557 {
 558         statusBar()->showMessage(toqstr(str));
 559         statusbar_timer_.stop();
 560         statusbar_timer_.start(statusbar_timer_value);
 561 }
 562
 563
 564 void GuiView::clearMessage()
 565 {
 566         update_view_state_qt();
 567 }
 568
 569
 570 void GuiView::setIconSize(unsigned int size)
 571 {
 572         d.lastIconSize = size;
 573         QMainWindow::setIconSize(QSize(size, size));
 574 }
 575
 576
 577 void GuiView::smallSizedIcons()
 578 {
 579         setIconSize(d.smallIconSize);
 580 }
 581
 582
 583 void GuiView::normalSizedIcons()
 584 {
 585         setIconSize(d.normalIconSize);
 586 }
 587
 588
 589 void GuiView::bigSizedIcons()
 590 {
 591         setIconSize(d.bigIconSize);
 592 }
 593
 594
 595 void GuiView::focus_command_widget()
 596 {
 597         if (commandbuffer_)
 598                 commandbuffer_->focus_command();
 599 }
 600
 601
 602 void GuiView::update_view_state_qt()
 603 {
 604         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 605         statusbar_timer_.stop();
 606 }
 607
 608
 609 void GuiView::initTab(QWidget* workarea)
 610 {
 611         // construct the TabWidget with 'false' to have the tabbar at the bottom
 612         d.tabWidget = new TabWidget(workarea, true);
 613         setCentralWidget(d.tabWidget);
 614         QObject::connect(d.tabWidget->tabbar, SIGNAL(currentChanged(int)),
 615                         this, SLOT(currentTabChanged(int)));
 616         QObject::connect(d.tabWidget->closeTabButton, SIGNAL(clicked()),
 617                         this, SLOT(closeCurrentTab()));
 618 }
 619
 620
 621 void GuiView::updateTab()
 622 {
 623         std::vector<string> const & names = theBufferList().getFileNames();
 624
 625         string cur_title;
 626         if (view()->buffer()) {
 627                 cur_title = view()->buffer()->fileName();
 628         }
 629
 630         // avoid unnecessary tabbar rebuild:
 631         // check if something has changed
 632         if (d.tabnames == names && d.cur_title == cur_title)
 633                 return;
 634         d.tabnames = names;
 635         d.cur_title = cur_title;
 636
 637         QTabBar & tabbar = *d.tabWidget->tabbar;
 638
 639         // update when all is done
 640         tabbar.blockSignals(true);
 641
 642         // remove all tab bars
 643         d.tabWidget->clearTabbar();
 644
 645         // rebuild tabbar and function map from scratch
 646         if (names.size() > 1) {
 647                 for(size_t i = 0; i < names.size(); i++) {
 648                         tabbar.addTab(toqstr(makeDisplayPath(names[i], 30)));
 649                         // set current tab
 650                         if (names[i] == cur_title)
 651                                 tabbar.setCurrentIndex(i);
 652                 }
 653         }
 654         tabbar.blockSignals(false);
 655         d.tabWidget->hideTabsIfNecessary();
 656 }
 657
 658
 659 void GuiView::closeCurrentTab()
 660 {
 661         dispatch(FuncRequest(LFUN_BUFFER_CLOSE));
 662 }
 663
 664
 665 void GuiView::currentTabChanged(int i)
 666 {
 667         BOOST_ASSERT(i >= 0 && size_type(i) < d.tabnames.size());
 668         dispatch(FuncRequest(LFUN_BUFFER_SWITCH, d.tabnames[i]));
 669 }
 670
 671
 672 void GuiView::updateStatusBar()
 673 {
 674         // let the user see the explicit message
 675         if (statusbar_timer_.isActive())
 676                 return;
 677
 678         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 679 }
 680
 681
 682 void GuiView::activated(FuncRequest const & func)
 683 {
 684         dispatch(func);
 685 }
 686
 687
 688 bool GuiView::hasFocus() const
 689 {
 690         return qApp->activeWindow() == this;
 691 }
 692
 693
 694 QRect  GuiView::updateFloatingGeometry()
 695 {
 696         QDesktopWidget& dw = *qApp->desktop();
 697         QRect desk = dw.availableGeometry(dw.primaryScreen());
 698         // remember only non-maximized sizes
 699         if (!isMaximized() && desk.width() > frameGeometry().width() && desk.height() > frameGeometry().height()) {
 700                 floatingGeometry_ = QRect(x(), y(), width(), height());
 701         }
 702         return floatingGeometry_;
 703 }
 704
 705
 706 void GuiView::resizeEvent(QResizeEvent *)
 707 {
 708         updateFloatingGeometry();
 709 }
 710
 711
 712 void GuiView::moveEvent(QMoveEvent *)
 713 {
 714         updateFloatingGeometry();
 715 }
 716
 717
 718 bool GuiView::event(QEvent * e)
 719 {
 720         switch (e->type())
 721         {
 722         // Useful debug code:
 723         //case QEvent::WindowActivate:
 724         //case QEvent::ActivationChange:
 725         //case QEvent::WindowDeactivate:
 726         //case QEvent::Paint:
 727         //case QEvent::Enter:
 728         //case QEvent::Leave:
 729         //case QEvent::HoverEnter:
 730         //case QEvent::HoverLeave:
 731         //case QEvent::HoverMove:
 732         //case QEvent::StatusTip:
 733         //case QEvent::DragEnter:
 734         //case QEvent::DragLeave:
 735         //case QEvent::Drop:
 736         //      break;
 737
 738         case QEvent::ShortcutOverride: {
 739                 QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 740                 if (ke->key() == Qt::Key_Tab || ke->key() == Qt::Key_Backtab) {
 741                         boost::shared_ptr<QKeySymbol> sym(new QKeySymbol);
 742                         sym->set(ke);
 743                         BOOST_ASSERT(work_area_);
 744                         work_area_->processKeySym(sym, key_modifier::none);
 745                         e->accept();
 746                         return true;
 747                 }
 748         }
 749         default:
 750                 return QMainWindow::event(e);
 751         }
 752 }
 753
 754
 755 bool GuiView::focusNextPrevChild(bool /*next*/)
 756 {
 757         setFocus();
 758         return true;
 759 }
 760
 761
 762 void GuiView::show()
 763 {
 764         QMainWindow::setWindowTitle(qt_("LyX"));
 765         QMainWindow::show();
 766         updateFloatingGeometry();
 767 }
 768
 769
 770 void GuiView::busy(bool yes)
 771 {
 772         BOOST_ASSERT(work_area_);
 773         static_cast<GuiWorkArea *>(work_area_)->setUpdatesEnabled(!yes);
 774
 775         if (yes) {
 776                 work_area_->stopBlinkingCursor();
 777                 QApplication::setOverrideCursor(Qt::WaitCursor);
 778         }
 779         else {
 780                 work_area_->startBlinkingCursor();
 781                 QApplication::restoreOverrideCursor();
 782         }
 783 }
 784
 785
 786 Toolbars::ToolbarPtr GuiView::makeToolbar(ToolbarInfo const & tbinfo, bool newline)
 787 {
 788         QLToolbar * Tb = new QLToolbar(tbinfo, *this);
 789
 790         if (tbinfo.flags & ToolbarInfo::TOP) {
 791                 if (newline)
 792                         addToolBarBreak(Qt::TopToolBarArea);
 793                 addToolBar(Qt::TopToolBarArea, Tb);
 794         }
 795
 796         if (tbinfo.flags & ToolbarInfo::BOTTOM) {
 797 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 798 #if (QT_VERSION >= 0x040202)
 799                 if (newline)
 800                         addToolBarBreak(Qt::BottomToolBarArea);
 801 #endif
 802                 addToolBar(Qt::BottomToolBarArea, Tb);
 803         }
 804
 805         if (tbinfo.flags & ToolbarInfo::LEFT) {
 806 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 807 #if (QT_VERSION >= 0x040202)
 808                 if (newline)
 809                         addToolBarBreak(Qt::LeftToolBarArea);
 810 #endif
 811                 addToolBar(Qt::LeftToolBarArea, Tb);
 812         }
 813
 814         if (tbinfo.flags & ToolbarInfo::RIGHT) {
 815 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 816 #if (QT_VERSION >= 0x040202)
 817                 if (newline)
 818                         addToolBarBreak(Qt::RightToolBarArea);
 819 #endif
 820                 addToolBar(Qt::RightToolBarArea, Tb);
 821         }
 822
 823         // The following does not work so I cannot restore to exact toolbar location
 824         /*
 825         ToolbarSection::ToolbarInfo & tbinfo = LyX::ref().session().toolbars().load(tbinfo.name);
 826         Tb->move(tbinfo.posx, tbinfo.posy);
 827         */
 828
 829         return Toolbars::ToolbarPtr(Tb);
 830 }
 831
 832 } // namespace frontend
 833 } // namespace lyx
 834
 835 #include "GuiView_moc.cpp"