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
  34 #include "BufferView.h"
  35 #include "BufferList.h"
  36 #include "debug.h"
  37 #include "FuncRequest.h"
  38 #include "callback.h"
  39 #include "LyXRC.h"
  40 #include "LyX.h"
  41 #include "Session.h"
  42 #include "LyXFunc.h"
  43 #include "MenuBackend.h"
  44 #include "Buffer.h"
  45 #include "BufferList.h"
  46
  47 #include <QAction>
  48 #include <QApplication>
  49 #include <QCloseEvent>
  50 #include <QPixmap>
  51 #include <QStatusBar>
  52 #include <QToolBar>
  53 #include <QTabBar>
  54 #include <QDesktopWidget>
  55 #include <QVBoxLayout>
  56 #include <QHBoxLayout>
  57 #include <QPushButton>
  58
  59
  60 #include <boost/bind.hpp>
  61 #include <boost/shared_ptr.hpp>
  62
  63 using std::endl;
  64 using std::string;
  65 using std::vector;
  66
  67 namespace lyx {
  68
  69 using support::FileName;
  70 using support::libFileSearch;
  71 using support::makeDisplayPath;
  72
  73 namespace frontend {
  74
  75 namespace {
  76
  77 int const statusbar_timer_value = 3000;
  78
  79 class TabWidget : public QWidget
  80 {
  81         QHBoxLayout* hlayout;
  82 public:
  83         QTabBar* tabbar;
  84         QPushButton* closeTabButton;
  85
  86         void hideTabsIfNecessary()
  87         {
  88                 if (tabbar->count() > 1) {
  89                         tabbar->show();
  90                         closeTabButton->show();
  91                 } else {
  92                         tabbar->hide();
  93                         closeTabButton->hide();
  94                 }
  95         }
  96
  97         TabWidget(QWidget* w, bool topTabBar)
  98         {
  99                 closeTabButton = new QPushButton(this);
 100                 FileName const file = support::libFileSearch("images", "closetab", "xpm");
 101                 if (!file.empty()) {
 102                         QPixmap pm(toqstr(file.absFilename()));
 103                         closeTabButton->setIcon(QIcon(pm));
 104                         closeTabButton->setMaximumSize(pm.size());
 105                         closeTabButton->setFlat(true);
 106                 } else {
 107                         closeTabButton->setText("Close");
 108                 }
 109                 closeTabButton->setCursor(Qt::ArrowCursor);
 110                 closeTabButton->setToolTip(tr("Close tab"));
 111                 closeTabButton->setEnabled(true);
 112
 113                 tabbar = new QTabBar;
 114 #if QT_VERSION >= 0x040200
 115                 tabbar->setUsesScrollButtons(true);
 116 #endif
 117                 hlayout = new QHBoxLayout;
 118                 QVBoxLayout* vlayout = new QVBoxLayout;
 119                 hlayout->addWidget(tabbar);
 120                 hlayout->addWidget(closeTabButton);
 121                 if (topTabBar) {
 122                         vlayout->addLayout(hlayout);
 123                         vlayout->addWidget(w);
 124                 } else {
 125                         tabbar->setShape(QTabBar::RoundedSouth);
 126                         vlayout->addWidget(w);
 127                         vlayout->addLayout(hlayout);
 128                 }
 129                 vlayout->setMargin(0);
 130                 vlayout->setSpacing(0);
 131                 hlayout->setMargin(0);
 132                 setLayout(vlayout);
 133                 hideTabsIfNecessary();
 134         }
 135
 136         void clearTabbar()
 137         {
 138                 for (int i = tabbar->count() - 1; i >= 0; --i)
 139                         tabbar->removeTab(i);
 140         }
 141 };
 142
 143 } // namespace anon
 144
 145
 146 struct GuiView::GuiViewPrivate
 147 {
 148         vector<string> tabnames;
 149         string cur_title;
 150
 151         TabWidget* tabWidget;
 152
 153         int posx_offset;
 154         int posy_offset;
 155
 156         GuiViewPrivate() : tabWidget(0), posx_offset(0), posy_offset(0)
 157         {}
 158
 159         unsigned int smallIconSize;
 160         unsigned int normalIconSize;
 161         unsigned int bigIconSize;
 162         // static needed by "New Window"
 163         static unsigned int lastIconSize;
 164
 165         QMenu* toolBarPopup(GuiView *parent)
 166         {
 167                 // FIXME: translation
 168                 QMenu* menu = new QMenu(parent);
 169                 QActionGroup *iconSizeGroup = new QActionGroup(parent);
 170
 171                 QAction *smallIcons = new QAction(iconSizeGroup);
 172                 smallIcons->setText(qt_("Small-sized icons"));
 173                 smallIcons->setCheckable(true);
 174                 QObject::connect(smallIcons, SIGNAL(triggered()), parent, SLOT(smallSizedIcons()));
 175                 menu->addAction(smallIcons);
 176
 177                 QAction *normalIcons = new QAction(iconSizeGroup);
 178                 normalIcons->setText(qt_("Normal-sized icons"));
 179                 normalIcons->setCheckable(true);
 180                 QObject::connect(normalIcons, SIGNAL(triggered()), parent, SLOT(normalSizedIcons()));
 181                 menu->addAction(normalIcons);
 182
 183                 QAction *bigIcons = new QAction(iconSizeGroup);
 184                 bigIcons->setText(qt_("Big-sized icons"));
 185                 bigIcons->setCheckable(true);
 186                 QObject::connect(bigIcons, SIGNAL(triggered()), parent, SLOT(bigSizedIcons()));
 187                 menu->addAction(bigIcons);
 188
 189                 unsigned int cur = parent->iconSize().width();
 190                 if ( cur == parent->d.smallIconSize)
 191                         smallIcons->setChecked(true);
 192                 else if (cur == parent->d.normalIconSize)
 193                         normalIcons->setChecked(true);
 194                 else if (cur == parent->d.bigIconSize)
 195                         bigIcons->setChecked(true);
 196
 197                 return menu;
 198         }
 199 };
 200
 201
 202 unsigned int GuiView::GuiViewPrivate::lastIconSize = 0;
 203
 204
 205 GuiView::GuiView(int id)
 206         : QMainWindow(), LyXView(id), commandbuffer_(0), quitting_by_menu_(false),
 207           d(*new GuiViewPrivate)
 208 {
 209         // Qt bug? signal lastWindowClosed does not work
 210         setAttribute(Qt::WA_QuitOnClose, false);
 211         setAttribute(Qt::WA_DeleteOnClose, true);
 212
 213         // hardcode here the platform specific icon size
 214         d.smallIconSize = 14;   // scaling problems
 215         d.normalIconSize = 20;  // ok, default
 216         d.bigIconSize = 26;             // better for some math icons
 217
 218 #ifndef Q_WS_MACX
 219         //  assign an icon to main form. We do not do it under Qt/Mac,
 220         //  since the icon is provided in the application bundle.
 221         FileName const iconname = libFileSearch("images", "lyx", "xpm");
 222         if (!iconname.empty())
 223                 setWindowIcon(QPixmap(toqstr(iconname.absFilename())));
 224 #endif
 225 }
 226
 227
 228 GuiView::~GuiView()
 229 {
 230         menubar_.reset();
 231         delete &d;
 232 }
 233
 234
 235 void GuiView::close()
 236 {
 237         quitting_by_menu_ = true;
 238         QMainWindow::close();
 239         quitting_by_menu_ = false;
 240 }
 241
 242
 243 void GuiView::setFocus()
 244 {
 245         BOOST_ASSERT(work_area_);
 246         static_cast<GuiWorkArea *>(work_area_)->setFocus();
 247 }
 248
 249
 250 QMenu* GuiView::createPopupMenu()
 251 {
 252         return d.toolBarPopup(this);
 253 }
 254
 255
 256 void GuiView::init()
 257 {
 258         menubar_.reset(new QLMenubar(this, menubackend));
 259         QObject::connect(menuBar(), SIGNAL(triggered(QAction *)),
 260                 this, SLOT(updateMenu(QAction *)));
 261
 262         getToolbars().init();
 263
 264         statusBar()->setSizeGripEnabled(true);
 265
 266         QObject::connect(&statusbar_timer_, SIGNAL(timeout()),
 267                 this, SLOT(update_view_state_qt()));
 268
 269         BOOST_ASSERT(work_area_);
 270         if (!work_area_->bufferView().buffer() && !theBufferList().empty())
 271                 setBuffer(theBufferList().first());
 272
 273         // make sure the buttons are disabled if needed
 274         updateToolbars();
 275         updateLayoutChoice();
 276         updateMenubar();
 277 }
 278
 279
 280 void GuiView::closeEvent(QCloseEvent * close_event)
 281 {
 282         // we may have been called through the close window button
 283         // which bypasses the LFUN machinery.
 284         if (!quitting_by_menu_ && theApp()->gui().viewIds().size() == 1) {
 285                 if (!theBufferList().quitWriteAll()) {
 286                         close_event->ignore();
 287                         return;
 288                 }
 289         }
 290
 291         theApp()->gui().unregisterView(id());
 292         if (!theApp()->gui().viewIds().empty()) {
 293                 // Just close the window and do nothing else if this is not the
 294                 // last window.
 295                 close_event->accept();
 296                 return;
 297         }
 298
 299         if (view()->buffer()) {
 300                 // save cursor position for opened files to .lyx/session
 301                 // only bottom (whole doc) level pit and pos is saved.
 302                 LyX::ref().session().lastFilePos().save(
 303                         FileName(buffer()->fileName()),
 304                         boost::tie(view()->cursor().bottom().pit(),
 305                         view()->cursor().bottom().pos()));
 306         }
 307
 308         // this is the place where we leave the frontend.
 309         // it is the only point at which we start quitting.
 310         saveGeometry();
 311         close_event->accept();
 312         // quit the event loop
 313         qApp->quit();
 314 }
 315
 316
 317 void GuiView::saveGeometry()
 318 {
 319         static bool done = false;
 320         if (done)
 321                 return;
 322         else
 323                 done = true;
 324
 325         // FIXME:
 326         // change the ifdef to 'geometry = normalGeometry();' only
 327         // when Trolltech has fixed the broken normalGeometry on X11:
 328         // http://www.trolltech.com/developer/task-tracker/index_html?id=119684+&method=entry
 329         // Then also the moveEvent, resizeEvent, and the
 330         // code for floatingGeometry_ can be removed;
 331         // adjust GuiView::setGeometry()
 332
 333         QRect normal_geometry;
 334         int maximized;
 335 #ifdef Q_WS_WIN
 336         normal_geometry = normalGeometry();
 337         if (isMaximized()) {
 338                 maximized = CompletelyMaximized;
 339         } else {
 340                 maximized = NotMaximized;
 341         }
 342 #else
 343         normal_geometry = updateFloatingGeometry();
 344
 345         QDesktopWidget& dw = *qApp->desktop();
 346         QRect desk = dw.availableGeometry(dw.primaryScreen());
 347         // Qt bug on Linux: load completely maximized, vert max. save-> frameGeometry().height() is wrong
 348         if (isMaximized() && desk.width() <= frameGeometry().width() && desk.height() <= frameGeometry().height()) {
 349                 maximized = CompletelyMaximized;
 350                 // maximizing does not work when the window is allready hor. or vert. maximized
 351                 // Tested only on KDE
 352                 int dh = frameGeometry().height() - height();
 353                 if (desk.height() <= normal_geometry.height() + dh)
 354                         normal_geometry.setHeight(normal_geometry.height() - 1);
 355                 int dw = frameGeometry().width() - width();
 356                 if (desk.width() <= normal_geometry.width() + dw)
 357                         normal_geometry.setWidth(normal_geometry.width() - 1);
 358         } else if (desk.height() <= frameGeometry().height()) {
 359                 maximized = VerticallyMaximized;
 360         } else if (desk.width() <= frameGeometry().width()) {
 361                 maximized = HorizontallyMaximized;
 362         } else {
 363                 maximized = NotMaximized;
 364         }
 365
 366
 367 #endif
 368         // save windows size and position
 369         Session & session = LyX::ref().session();
 370         session.sessionInfo().save("WindowWidth", convert<string>(normal_geometry.width()));
 371         session.sessionInfo().save("WindowHeight", convert<string>(normal_geometry.height()));
 372         session.sessionInfo().save("WindowMaximized", convert<string>(maximized));
 373         session.sessionInfo().save("IconSizeXY", convert<string>(iconSize().width()));
 374         if (lyxrc.geometry_xysaved) {
 375                 session.sessionInfo().save("WindowPosX", convert<string>(normal_geometry.x() + d.posx_offset));
 376                 session.sessionInfo().save("WindowPosY", convert<string>(normal_geometry.y() + d.posy_offset));
 377         }
 378         getToolbars().saveToolbarInfo();
 379 }
 380
 381
 382 void GuiView::setGeometry(unsigned int width,
 383                           unsigned int height,
 384                           int posx, int posy,
 385                           int maximized,
 386                           unsigned int iconSizeXY,
 387                           const string & geometryArg)
 388 {
 389         // use last value (not at startup)
 390         if (d.lastIconSize != 0)
 391                 setIconSize(d.lastIconSize);
 392         else if (iconSizeXY != 0)
 393                 setIconSize(iconSizeXY);
 394         else
 395                 setIconSize(d.normalIconSize);
 396
 397         // only true when the -geometry option was NOT used
 398         if (width != 0 && height != 0) {
 399                 if (posx != -1 && posy != -1) {
 400                         // if there are startup positioning problems:
 401                         // http://doc.trolltech.com/4.2/qdesktopwidget.html
 402                         QDesktopWidget& dw = *qApp->desktop();
 403                         if (dw.isVirtualDesktop()) {
 404                                 if(!dw.geometry().contains(posx, posy)) {
 405                                         posx = 50;
 406                                         posy = 50;
 407                                 }
 408                         } else {
 409                                 // Which system doesn't use a virtual desktop?
 410                                 // TODO save also last screen number and check if it is still availabe.
 411                         }
 412 #ifdef Q_WS_WIN
 413                         // FIXME: use setGeometry only when Trolltech has fixed the qt4/X11 bug
 414                         QWidget::setGeometry(posx, posy, width, height);
 415 #else
 416                         resize(width, height);
 417                         move(posx, posy);
 418 #endif
 419                 } else {
 420                         resize(width, height);
 421                 }
 422
 423                 // remember original size
 424                 floatingGeometry_ = QRect(posx, posy, width, height);
 425
 426                 if (maximized != NotMaximized) {
 427                         if (maximized == CompletelyMaximized) {
 428                                 setWindowState(Qt::WindowMaximized);
 429                         } else {
 430 #ifndef Q_WS_WIN
 431                                 // TODO How to set by the window manager?
 432                                 //      setWindowState(Qt::WindowVerticallyMaximized);
 433                                 //      is not possible
 434                                 QDesktopWidget& dw = *qApp->desktop();
 435                                 QRect desk = dw.availableGeometry(dw.primaryScreen());
 436                                 if (maximized == VerticallyMaximized)
 437                                         resize(width, desk.height());
 438                                 if (maximized == HorizontallyMaximized)
 439                                         resize(desk.width(), height);
 440 #endif
 441                         }
 442                 }
 443         }
 444         else
 445         {
 446                 // FIXME: move this code into parse_geometry() (LyX.cpp)
 447 #ifdef Q_WS_WIN
 448                 int x, y;
 449                 int w, h;
 450                 QRegExp re( "[=]*(?:([0-9]+)[xX]([0-9]+)){0,1}[ ]*(?:([+-][0-9]*)([+-][0-9]*)){0,1}" );
 451                 re.indexIn(toqstr(geometryArg.c_str()));
 452                 w = re.cap(1).toInt();
 453                 h = re.cap(2).toInt();
 454                 x = re.cap(3).toInt();
 455                 y = re.cap(4).toInt();
 456                 QWidget::setGeometry( x, y, w, h );
 457 #else
 458                 // silence warning
 459                 (void)geometryArg;
 460 #endif
 461         }
 462
 463         show();
 464
 465         // For an unknown reason, the Window title update is not effective for
 466         // the second windows up until it is shown on screen (Qt bug?).
 467         updateWindowTitle();
 468
 469         // after show geometry() has changed (Qt bug?)
 470         // we compensate the drift when storing the position
 471         d.posx_offset = 0;
 472         d.posy_offset = 0;
 473         if (width != 0 && height != 0)
 474                 if (posx != -1 && posy != -1) {
 475 #ifdef Q_WS_WIN
 476                         d.posx_offset = posx - normalGeometry().x();
 477                         d.posy_offset = posy - normalGeometry().y();
 478 #else
 479 #ifndef Q_WS_MACX
 480                         if (maximized == NotMaximized) {
 481                                 d.posx_offset = posx - geometry().x();
 482                                 d.posy_offset = posy - geometry().y();
 483                         }
 484 #endif
 485 #endif
 486                 }
 487 }
 488
 489
 490 void GuiView::updateMenu(QAction * /*action*/)
 491 {
 492         menubar_->update();
 493 }
 494
 495
 496 void GuiView::setWindowTitle(docstring const & t, docstring const & it)
 497 {
 498         QString title = windowTitle();
 499         QString new_title = toqstr(t);
 500         if (title != new_title) {
 501                 QMainWindow::setWindowTitle(new_title);
 502                 QMainWindow::setWindowIconText(toqstr(it));
 503         }
 504 }
 505
 506
 507 void GuiView::addCommandBuffer(QToolBar * toolbar)
 508 {
 509         commandbuffer_ = new QCommandBuffer(this, *controlcommand_);
 510         focus_command_buffer.connect(boost::bind(&GuiView::focus_command_widget, this));
 511         toolbar->addWidget(commandbuffer_);
 512 }
 513
 514
 515 void GuiView::message(docstring const & str)
 516 {
 517         statusBar()->showMessage(toqstr(str));
 518         statusbar_timer_.stop();
 519         statusbar_timer_.start(statusbar_timer_value);
 520 }
 521
 522
 523 void GuiView::clearMessage()
 524 {
 525         update_view_state_qt();
 526 }
 527
 528
 529 void GuiView::setIconSize(unsigned int size)
 530 {
 531         d.lastIconSize = size;
 532         QMainWindow::setIconSize(QSize(size, size));
 533 }
 534
 535
 536 void GuiView::smallSizedIcons()
 537 {
 538         setIconSize(d.smallIconSize);
 539 }
 540
 541
 542 void GuiView::normalSizedIcons()
 543 {
 544         setIconSize(d.normalIconSize);
 545 }
 546
 547
 548 void GuiView::bigSizedIcons()
 549 {
 550         setIconSize(d.bigIconSize);
 551 }
 552
 553
 554 void GuiView::focus_command_widget()
 555 {
 556         if (commandbuffer_)
 557                 commandbuffer_->focus_command();
 558 }
 559
 560
 561 void GuiView::update_view_state_qt()
 562 {
 563         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 564         statusbar_timer_.stop();
 565 }
 566
 567
 568 void GuiView::initTab(QWidget* workarea)
 569 {
 570         // construct the TabWidget with 'false' to have the tabbar at the bottom
 571         d.tabWidget = new TabWidget(workarea, true);
 572         setCentralWidget(d.tabWidget);
 573         QObject::connect(d.tabWidget->tabbar, SIGNAL(currentChanged(int)),
 574                         this, SLOT(currentTabChanged(int)));
 575         QObject::connect(d.tabWidget->closeTabButton, SIGNAL(clicked()),
 576                         this, SLOT(closeCurrentTab()));
 577 }
 578
 579
 580 void GuiView::updateTab()
 581 {
 582         std::vector<string> const & names = theBufferList().getFileNames();
 583
 584         string cur_title;
 585         if (view()->buffer()) {
 586                 cur_title = view()->buffer()->fileName();
 587         }
 588
 589         // avoid unnecessary tabbar rebuild:
 590         // check if something has changed
 591         if (d.tabnames == names && d.cur_title == cur_title)
 592                 return;
 593         d.tabnames = names;
 594         d.cur_title = cur_title;
 595
 596         QTabBar & tabbar = *d.tabWidget->tabbar;
 597
 598         // update when all is done
 599         tabbar.blockSignals(true);
 600
 601         // remove all tab bars
 602         d.tabWidget->clearTabbar();
 603
 604         // rebuild tabbar and function map from scratch
 605         if (names.size() > 1) {
 606                 for(size_t i = 0; i < names.size(); i++) {
 607                         tabbar.addTab(toqstr(makeDisplayPath(names[i], 30)));
 608                         // set current tab
 609                         if (names[i] == cur_title)
 610                                 tabbar.setCurrentIndex(i);
 611                 }
 612         }
 613         tabbar.blockSignals(false);
 614         d.tabWidget->hideTabsIfNecessary();
 615 }
 616
 617
 618 void GuiView::closeCurrentTab()
 619 {
 620         dispatch(FuncRequest(LFUN_BUFFER_CLOSE));
 621 }
 622
 623
 624 void GuiView::currentTabChanged(int i)
 625 {
 626         BOOST_ASSERT(i >= 0 && size_type(i) < d.tabnames.size());
 627         dispatch(FuncRequest(LFUN_BUFFER_SWITCH, d.tabnames[i]));
 628 }
 629
 630
 631 void GuiView::updateStatusBar()
 632 {
 633         // let the user see the explicit message
 634         if (statusbar_timer_.isActive())
 635                 return;
 636
 637         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 638 }
 639
 640
 641 void GuiView::activated(FuncRequest const & func)
 642 {
 643         dispatch(func);
 644 }
 645
 646
 647 bool GuiView::hasFocus() const
 648 {
 649         return qApp->activeWindow() == this;
 650 }
 651
 652
 653 QRect  GuiView::updateFloatingGeometry()
 654 {
 655         QDesktopWidget& dw = *qApp->desktop();
 656         QRect desk = dw.availableGeometry(dw.primaryScreen());
 657         // remember only non-maximized sizes
 658         if (!isMaximized() && desk.width() > frameGeometry().width() && desk.height() > frameGeometry().height()) {
 659                 floatingGeometry_ = QRect(x(), y(), width(), height());
 660         }
 661         return floatingGeometry_;
 662 }
 663
 664
 665 void GuiView::resizeEvent(QResizeEvent *)
 666 {
 667         updateFloatingGeometry();
 668 }
 669
 670
 671 void GuiView::moveEvent(QMoveEvent *)
 672 {
 673         updateFloatingGeometry();
 674 }
 675
 676
 677 bool GuiView::event(QEvent * e)
 678 {
 679         // Useful debug code:
 680         /*
 681         switch (e->type())
 682         {
 683         case QEvent::WindowActivate:
 684         case QEvent::ActivationChange:
 685         case QEvent::WindowDeactivate:
 686         case QEvent::Paint:
 687         case QEvent::Enter:
 688         case QEvent::Leave:
 689         case QEvent::HoverEnter:
 690         case QEvent::HoverLeave:
 691         case QEvent::HoverMove:
 692         case QEvent::StatusTip:
 693                 break;
 694         default:
 695         */
 696
 697         if (e->type() == QEvent::ShortcutOverride) {
 698                 QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 699                 if (ke->key() == Qt::Key_Tab || ke->key() == Qt::Key_Backtab) {
 700                         boost::shared_ptr<QKeySymbol> sym(new QKeySymbol);
 701                         sym->set(ke);
 702                         BOOST_ASSERT(work_area_);
 703                         work_area_->processKeySym(sym, key_modifier::none);
 704                         e->accept();
 705                         return true;
 706                 }
 707         }
 708         //} for the debug switch above.
 709
 710         return QMainWindow::event(e);
 711 }
 712
 713
 714 bool GuiView::focusNextPrevChild(bool /*next*/)
 715 {
 716         setFocus();
 717         return true;
 718 }
 719
 720
 721 void GuiView::show()
 722 {
 723         QMainWindow::setWindowTitle(qt_("LyX"));
 724         QMainWindow::show();
 725         updateFloatingGeometry();
 726 }
 727
 728
 729 void GuiView::busy(bool yes)
 730 {
 731         BOOST_ASSERT(work_area_);
 732         static_cast<GuiWorkArea *>(work_area_)->setUpdatesEnabled(!yes);
 733
 734         if (yes) {
 735                 work_area_->stopBlinkingCursor();
 736                 QApplication::setOverrideCursor(Qt::WaitCursor);
 737         }
 738         else {
 739                 work_area_->startBlinkingCursor();
 740                 QApplication::restoreOverrideCursor();
 741         }
 742 }
 743
 744
 745 Toolbars::ToolbarPtr GuiView::makeToolbar(ToolbarInfo const & tbinfo, bool newline)
 746 {
 747         QLToolbar * Tb = new QLToolbar(tbinfo, *this);
 748
 749         if (tbinfo.flags & ToolbarInfo::TOP) {
 750                 if (newline)
 751                         addToolBarBreak(Qt::TopToolBarArea);
 752                 addToolBar(Qt::TopToolBarArea, Tb);
 753         }
 754
 755         if (tbinfo.flags & ToolbarInfo::BOTTOM) {
 756 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 757 #if (QT_VERSION >= 0x040202)
 758                 if (newline)
 759                         addToolBarBreak(Qt::BottomToolBarArea);
 760 #endif
 761                 addToolBar(Qt::BottomToolBarArea, Tb);
 762         }
 763
 764         if (tbinfo.flags & ToolbarInfo::LEFT) {
 765 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 766 #if (QT_VERSION >= 0x040202)
 767                 if (newline)
 768                         addToolBarBreak(Qt::LeftToolBarArea);
 769 #endif
 770                 addToolBar(Qt::LeftToolBarArea, Tb);
 771         }
 772
 773         if (tbinfo.flags & ToolbarInfo::RIGHT) {
 774 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 775 #if (QT_VERSION >= 0x040202)
 776                 if (newline)
 777                         addToolBarBreak(Qt::RightToolBarArea);
 778 #endif
 779                 addToolBar(Qt::RightToolBarArea, Tb);
 780         }
 781
 782         // The following does not work so I cannot restore to exact toolbar location
 783         /*
 784         ToolbarSection::ToolbarInfo & tbinfo = LyX::ref().session().toolbars().load(tbinfo.name);
 785         Tb->move(tbinfo.posx, tbinfo.posy);
 786         */
 787
 788         return Toolbars::ToolbarPtr(Tb);
 789 }
 790
 791 } // namespace frontend
 792 } // namespace lyx
 793
 794 #include "GuiView_moc.cpp"