3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Lars Gullik Bjønnes
8 * \author Abdelrazak Younes
11 * Full author contact details are available in file CREDITS.
18 #include "GuiImplementation.h"
19 #include "GuiWorkArea.h"
20 #include "QKeySymbol.h"
21 #include "QLMenubar.h"
22 #include "QLToolbar.h"
23 #include "qt_helpers.h"
25 #include "frontends/Application.h"
26 #include "frontends/Dialogs.h"
27 #include "frontends/Gui.h"
28 #include "frontends/WorkArea.h"
30 #include "support/filetools.h"
31 #include "support/convert.h"
32 #include "support/lstrings.h"
33 #include "support/os.h"
36 #include "BufferView.h"
37 #include "BufferList.h"
40 #include "FuncRequest.h"
44 #include "MenuBackend.h"
49 #include <QApplication>
50 #include <QCloseEvent>
51 #include <QDesktopWidget>
52 #include <QDragEnterEvent>
58 #include <QPushButton>
59 #include <QStackedWidget>
66 #include <boost/bind.hpp>
67 #include <boost/shared_ptr.hpp>
68 #include <boost/current_function.hpp>
76 using support::FileName;
77 using support::libFileSearch;
78 using support::makeDisplayPath;
84 int const statusbar_timer_value = 3000;
86 class BackgroundWidget: public QWidget
89 BackgroundWidget(QString const & file, QString const & text)
91 splash_ = new QPixmap(file);
93 lyxerr << "could not load splash screen: '" << fromqstr(file) << "'" << endl;
97 QPainter pain(splash_);
98 pain.setPen(QColor(255, 255, 0));
100 // The font used to display the version info
101 font.setStyleHint(QFont::SansSerif);
102 font.setWeight(QFont::Bold);
103 font.setPointSize(convert<int>(lyxrc.font_sizes[Font::SIZE_LARGE]));
105 pain.drawText(260, 270, text);
108 void paintEvent(QPaintEvent * ev)
113 int x = (width() - splash_->width()) / 2;
114 int y = (height() - splash_->height()) / 2;
116 pain.drawPixmap(x, y, *splash_);
124 class TabWidget: public QTabWidget {
126 void showBar(bool show) { tabBar()->setVisible(show); }
133 struct GuiView::GuiViewPrivate
140 TabWidget * tab_widget_;
141 QStackedWidget * stack_widget_;
142 BackgroundWidget * bg_widget_;
144 QLMenubar * menubar_;
146 GuiViewPrivate() : posx_offset(0), posy_offset(0)
149 unsigned int smallIconSize;
150 unsigned int normalIconSize;
151 unsigned int bigIconSize;
152 // static needed by "New Window"
153 static unsigned int lastIconSize;
155 QMenu* toolBarPopup(GuiView *parent)
157 // FIXME: translation
158 QMenu* menu = new QMenu(parent);
159 QActionGroup *iconSizeGroup = new QActionGroup(parent);
161 QAction *smallIcons = new QAction(iconSizeGroup);
162 smallIcons->setText(qt_("Small-sized icons"));
163 smallIcons->setCheckable(true);
164 QObject::connect(smallIcons, SIGNAL(triggered()), parent, SLOT(smallSizedIcons()));
165 menu->addAction(smallIcons);
167 QAction *normalIcons = new QAction(iconSizeGroup);
168 normalIcons->setText(qt_("Normal-sized icons"));
169 normalIcons->setCheckable(true);
170 QObject::connect(normalIcons, SIGNAL(triggered()), parent, SLOT(normalSizedIcons()));
171 menu->addAction(normalIcons);
173 QAction *bigIcons = new QAction(iconSizeGroup);
174 bigIcons->setText(qt_("Big-sized icons"));
175 bigIcons->setCheckable(true);
176 QObject::connect(bigIcons, SIGNAL(triggered()), parent, SLOT(bigSizedIcons()));
177 menu->addAction(bigIcons);
179 unsigned int cur = parent->iconSize().width();
180 if ( cur == parent->d.smallIconSize)
181 smallIcons->setChecked(true);
182 else if (cur == parent->d.normalIconSize)
183 normalIcons->setChecked(true);
184 else if (cur == parent->d.bigIconSize)
185 bigIcons->setChecked(true);
190 void initBackground()
193 LYXERR(Debug::GUI) << "show banner: " << lyxrc.show_banner << endl;
194 /// The text to be written on top of the pixmap
195 QString const text = lyx_version ? QString(lyx_version) : qt_("unknown version");
196 FileName const file = support::libFileSearch("images", "banner", "png");
200 bg_widget_ = new BackgroundWidget(toqstr(file.absFilename()), text);
208 stack_widget_->setCurrentWidget(bg_widget_);
209 bg_widget_->setUpdatesEnabled(true);
214 unsigned int GuiView::GuiViewPrivate::lastIconSize = 0;
217 GuiView::GuiView(int id)
218 : QMainWindow(), LyXView(id), quitting_by_menu_(false),
219 d(*new GuiViewPrivate)
221 // Qt bug? signal lastWindowClosed does not work
222 setAttribute(Qt::WA_QuitOnClose, false);
223 setAttribute(Qt::WA_DeleteOnClose, true);
225 // hardcode here the platform specific icon size
226 d.smallIconSize = 14; // scaling problems
227 d.normalIconSize = 20; // ok, default
228 d.bigIconSize = 26; // better for some math icons
231 // assign an icon to main form. We do not do it under Qt/Mac,
232 // since the icon is provided in the application bundle.
233 FileName const iconname = libFileSearch("images", "lyx", "xpm");
234 if (!iconname.empty())
235 setWindowIcon(QPixmap(toqstr(iconname.absFilename())));
238 d.tab_widget_ = new TabWidget;
240 QPushButton * closeTabButton = new QPushButton(this);
241 FileName const file = support::libFileSearch("images", "closetab", "xpm");
243 QPixmap pm(toqstr(file.absFilename()));
244 closeTabButton->setIcon(QIcon(pm));
245 closeTabButton->setMaximumSize(pm.size());
246 closeTabButton->setFlat(true);
248 closeTabButton->setText("Close");
250 closeTabButton->setCursor(Qt::ArrowCursor);
251 closeTabButton->setToolTip(tr("Close tab"));
252 closeTabButton->setEnabled(true);
254 QObject::connect(d.tab_widget_, SIGNAL(currentChanged(int)),
255 this, SLOT(currentTabChanged(int)));
256 QObject::connect(closeTabButton, SIGNAL(clicked()),
257 this, SLOT(closeCurrentTab()));
259 d.tab_widget_->setCornerWidget(closeTabButton);
260 #if QT_VERSION >= 0x040200
261 d.tab_widget_->setUsesScrollButtons(true);
266 lyxerr << "stack widget!" << endl;
267 d.stack_widget_ = new QStackedWidget;
268 d.stack_widget_->addWidget(d.bg_widget_);
269 d.stack_widget_->addWidget(d.tab_widget_);
270 setCentralWidget(d.stack_widget_);
273 setCentralWidget(d.tab_widget_);
277 setAcceptDrops(true);
288 void GuiView::close()
290 quitting_by_menu_ = true;
291 QMainWindow::close();
292 quitting_by_menu_ = false;
296 void GuiView::setFocus()
298 if (d.tab_widget_->count())
299 d.tab_widget_->currentWidget()->setFocus();
303 QMenu* GuiView::createPopupMenu()
305 return d.toolBarPopup(this);
311 d.menubar_ = new QLMenubar(this, menubackend);
315 statusBar()->setSizeGripEnabled(true);
317 QObject::connect(&statusbar_timer_, SIGNAL(timeout()),
318 this, SLOT(update_view_state_qt()));
321 d.stack_widget_->setCurrentWidget(d.bg_widget_);
325 void GuiView::closeEvent(QCloseEvent * close_event)
327 // we may have been called through the close window button
328 // which bypasses the LFUN machinery.
329 if (!quitting_by_menu_ && theApp()->gui().viewIds().size() == 1) {
330 if (!theBufferList().quitWriteAll()) {
331 close_event->ignore();
336 // Make sure that no LFUN use this close to be closed View.
337 theLyXFunc().setLyXView(0);
338 // Make sure the timer time out will not trigger a statusbar update.
339 statusbar_timer_.stop();
341 theApp()->gui().unregisterView(id());
342 if (!theApp()->gui().viewIds().empty()) {
343 // Just close the window and do nothing else if this is not the
345 close_event->accept();
351 // this is the place where we leave the frontend.
352 // it is the only point at which we start quitting.
354 close_event->accept();
355 // quit the event loop
360 void GuiView::dragEnterEvent(QDragEnterEvent * event)
362 if (event->mimeData()->hasUrls())
364 /// \todo Ask lyx-devel is this is enough:
365 /// if (event->mimeData()->hasFormat("text/plain"))
366 /// event->acceptProposedAction();
370 void GuiView::dropEvent(QDropEvent* event)
372 QList<QUrl> files = event->mimeData()->urls();
376 LYXERR(Debug::GUI) << BOOST_CURRENT_FUNCTION
377 << " got URLs!" << endl;
378 for (int i = 0; i!=files.size(); ++i) {
379 string const file = support::os::internal_path(fromqstr(
380 files.at(i).toLocalFile()));
382 dispatch(FuncRequest(LFUN_FILE_OPEN, file));
387 void GuiView::saveGeometry()
389 static bool done = false;
396 // change the ifdef to 'geometry = normalGeometry();' only
397 // when Trolltech has fixed the broken normalGeometry on X11:
398 // http://www.trolltech.com/developer/task-tracker/index_html?id=119684+&method=entry
399 // Then also the moveEvent, resizeEvent, and the
400 // code for floatingGeometry_ can be removed;
401 // adjust GuiView::setGeometry()
403 QRect normal_geometry;
406 normal_geometry = normalGeometry();
408 maximized = CompletelyMaximized;
410 maximized = NotMaximized;
413 normal_geometry = updateFloatingGeometry();
415 QDesktopWidget& dw = *qApp->desktop();
416 QRect desk = dw.availableGeometry(dw.primaryScreen());
417 // Qt bug on Linux: load completely maximized, vert max. save-> frameGeometry().height() is wrong
418 if (isMaximized() && desk.width() <= frameGeometry().width() && desk.height() <= frameGeometry().height()) {
419 maximized = CompletelyMaximized;
420 // maximizing does not work when the window is allready hor. or vert. maximized
421 // Tested only on KDE
422 int dh = frameGeometry().height() - height();
423 if (desk.height() <= normal_geometry.height() + dh)
424 normal_geometry.setHeight(normal_geometry.height() - 1);
425 int dw = frameGeometry().width() - width();
426 if (desk.width() <= normal_geometry.width() + dw)
427 normal_geometry.setWidth(normal_geometry.width() - 1);
428 } else if (desk.height() <= frameGeometry().height()) {
429 maximized = VerticallyMaximized;
430 } else if (desk.width() <= frameGeometry().width()) {
431 maximized = HorizontallyMaximized;
433 maximized = NotMaximized;
438 // save windows size and position
439 Session & session = LyX::ref().session();
440 session.sessionInfo().save("WindowWidth", convert<string>(normal_geometry.width()));
441 session.sessionInfo().save("WindowHeight", convert<string>(normal_geometry.height()));
442 session.sessionInfo().save("WindowMaximized", convert<string>(maximized));
443 session.sessionInfo().save("IconSizeXY", convert<string>(iconSize().width()));
444 if (lyxrc.geometry_xysaved) {
445 session.sessionInfo().save("WindowPosX", convert<string>(normal_geometry.x() + d.posx_offset));
446 session.sessionInfo().save("WindowPosY", convert<string>(normal_geometry.y() + d.posy_offset));
448 toolbars_->saveToolbarInfo();
452 void GuiView::setGeometry(unsigned int width,
456 unsigned int iconSizeXY,
457 const string & geometryArg)
459 // use last value (not at startup)
460 if (d.lastIconSize != 0)
461 setIconSize(d.lastIconSize);
462 else if (iconSizeXY != 0)
463 setIconSize(iconSizeXY);
465 setIconSize(d.normalIconSize);
467 // only true when the -geometry option was NOT used
468 if (width != 0 && height != 0) {
469 if (posx != -1 && posy != -1) {
470 // if there are startup positioning problems:
471 // http://doc.trolltech.com/4.2/qdesktopwidget.html
472 QDesktopWidget& dw = *qApp->desktop();
473 if (dw.isVirtualDesktop()) {
474 if(!dw.geometry().contains(posx, posy)) {
479 // Which system doesn't use a virtual desktop?
480 // TODO save also last screen number and check if it is still availabe.
483 // FIXME: use setGeometry only when Trolltech has fixed the qt4/X11 bug
484 QWidget::setGeometry(posx, posy, width, height);
486 resize(width, height);
490 resize(width, height);
493 // remember original size
494 floatingGeometry_ = QRect(posx, posy, width, height);
496 if (maximized != NotMaximized) {
497 if (maximized == CompletelyMaximized) {
498 setWindowState(Qt::WindowMaximized);
501 // TODO How to set by the window manager?
502 // setWindowState(Qt::WindowVerticallyMaximized);
504 QDesktopWidget& dw = *qApp->desktop();
505 QRect desk = dw.availableGeometry(dw.primaryScreen());
506 if (maximized == VerticallyMaximized)
507 resize(width, desk.height());
508 if (maximized == HorizontallyMaximized)
509 resize(desk.width(), height);
516 // FIXME: move this code into parse_geometry() (LyX.cpp)
520 QRegExp re( "[=]*(?:([0-9]+)[xX]([0-9]+)){0,1}[ ]*(?:([+-][0-9]*)([+-][0-9]*)){0,1}" );
521 re.indexIn(toqstr(geometryArg.c_str()));
522 w = re.cap(1).toInt();
523 h = re.cap(2).toInt();
524 x = re.cap(3).toInt();
525 y = re.cap(4).toInt();
526 QWidget::setGeometry( x, y, w, h );
537 // For an unknown reason, the Window title update is not effective for
538 // the second windows up until it is shown on screen (Qt bug?).
541 // after show geometry() has changed (Qt bug?)
542 // we compensate the drift when storing the position
545 if (width != 0 && height != 0)
546 if (posx != -1 && posy != -1) {
548 d.posx_offset = posx - normalGeometry().x();
549 d.posy_offset = posy - normalGeometry().y();
552 if (maximized == NotMaximized) {
553 d.posx_offset = posx - geometry().x();
554 d.posy_offset = posy - geometry().y();
562 void GuiView::setWindowTitle(docstring const & t, docstring const & it)
564 QString title = windowTitle();
565 QString new_title = toqstr(t);
566 if (title != new_title) {
567 QMainWindow::setWindowTitle(new_title);
568 QMainWindow::setWindowIconText(toqstr(it));
573 void GuiView::message(docstring const & str)
575 statusBar()->showMessage(toqstr(str));
576 statusbar_timer_.stop();
577 statusbar_timer_.start(statusbar_timer_value);
581 void GuiView::clearMessage()
583 update_view_state_qt();
587 void GuiView::setIconSize(unsigned int size)
589 d.lastIconSize = size;
590 QMainWindow::setIconSize(QSize(size, size));
594 void GuiView::smallSizedIcons()
596 setIconSize(d.smallIconSize);
600 void GuiView::normalSizedIcons()
602 setIconSize(d.normalIconSize);
606 void GuiView::bigSizedIcons()
608 setIconSize(d.bigIconSize);
612 void GuiView::update_view_state_qt()
616 theLyXFunc().setLyXView(this);
617 statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
618 statusbar_timer_.stop();
622 void GuiView::closeCurrentTab()
624 dispatch(FuncRequest(LFUN_BUFFER_CLOSE));
628 void GuiView::currentTabChanged(int i)
631 disconnectBufferView();
632 GuiWorkArea * wa = dynamic_cast<GuiWorkArea *>(d.tab_widget_->widget(i));
634 BufferView & bv = wa->bufferView();
635 connectBufferView(bv);
636 connectBuffer(bv.buffer());
637 bv.updateMetrics(false);
638 bv.cursor().fixIfBroken();
639 wa->setUpdatesEnabled(true);
644 // Buffer-dependent dialogs should be updated or
645 // hidden. This should go here because some dialogs (eg ToC)
646 // require bv_->text.
647 getDialogs().updateBufferDependent(true);
649 updateLayoutChoice();
653 lyxerr << "currentTabChanged " << i
654 << "File" << bv.buffer().fileName() << endl;
658 void GuiView::updateStatusBar()
660 // let the user see the explicit message
661 if (statusbar_timer_.isActive())
664 statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
668 void GuiView::activated(FuncRequest const & func)
674 bool GuiView::hasFocus() const
676 return qApp->activeWindow() == this;
680 QRect GuiView::updateFloatingGeometry()
682 QDesktopWidget& dw = *qApp->desktop();
683 QRect desk = dw.availableGeometry(dw.primaryScreen());
684 // remember only non-maximized sizes
685 if (!isMaximized() && desk.width() > frameGeometry().width() && desk.height() > frameGeometry().height()) {
686 floatingGeometry_ = QRect(x(), y(), width(), height());
688 return floatingGeometry_;
692 void GuiView::resizeEvent(QResizeEvent *)
694 updateFloatingGeometry();
698 void GuiView::moveEvent(QMoveEvent *)
700 updateFloatingGeometry();
704 bool GuiView::event(QEvent * e)
708 // Useful debug code:
709 //case QEvent::WindowActivate:
710 //case QEvent::ActivationChange:
711 //case QEvent::WindowDeactivate:
712 //case QEvent::Paint:
713 //case QEvent::Enter:
714 //case QEvent::Leave:
715 //case QEvent::HoverEnter:
716 //case QEvent::HoverLeave:
717 //case QEvent::HoverMove:
718 //case QEvent::StatusTip:
719 //case QEvent::DragEnter:
720 //case QEvent::DragLeave:
724 case QEvent::ShortcutOverride: {
725 QKeyEvent * ke = static_cast<QKeyEvent*>(e);
726 if (d.tab_widget_->count() == 0) {
727 theLyXFunc().setLyXView(this);
728 boost::shared_ptr<QKeySymbol> sym(new QKeySymbol);
730 theLyXFunc().processKeySym(sym, q_key_state(ke->modifiers()));
734 if (ke->key() == Qt::Key_Tab || ke->key() == Qt::Key_Backtab) {
735 boost::shared_ptr<QKeySymbol> sym(new QKeySymbol);
737 currentWorkArea()->processKeySym(sym, key_modifier::none);
743 return QMainWindow::event(e);
748 bool GuiView::focusNextPrevChild(bool /*next*/)
757 QMainWindow::setWindowTitle(qt_("LyX"));
759 updateFloatingGeometry();
763 void GuiView::busy(bool yes)
765 if (d.tab_widget_->count()) {
766 GuiWorkArea * wa = dynamic_cast<GuiWorkArea *>(d.tab_widget_->currentWidget());
768 wa->setUpdatesEnabled(!yes);
770 wa->stopBlinkingCursor();
772 wa->startBlinkingCursor();
776 QApplication::setOverrideCursor(Qt::WaitCursor);
778 QApplication::restoreOverrideCursor();
782 Toolbars::ToolbarPtr GuiView::makeToolbar(ToolbarInfo const & tbinfo, bool newline)
784 QLToolbar * Tb = new QLToolbar(tbinfo, *this);
786 if (tbinfo.flags & ToolbarInfo::TOP) {
788 addToolBarBreak(Qt::TopToolBarArea);
789 addToolBar(Qt::TopToolBarArea, Tb);
792 if (tbinfo.flags & ToolbarInfo::BOTTOM) {
793 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
794 #if (QT_VERSION >= 0x040202)
796 addToolBarBreak(Qt::BottomToolBarArea);
798 addToolBar(Qt::BottomToolBarArea, Tb);
801 if (tbinfo.flags & ToolbarInfo::LEFT) {
802 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
803 #if (QT_VERSION >= 0x040202)
805 addToolBarBreak(Qt::LeftToolBarArea);
807 addToolBar(Qt::LeftToolBarArea, Tb);
810 if (tbinfo.flags & ToolbarInfo::RIGHT) {
811 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
812 #if (QT_VERSION >= 0x040202)
814 addToolBarBreak(Qt::RightToolBarArea);
816 addToolBar(Qt::RightToolBarArea, Tb);
819 // The following does not work so I cannot restore to exact toolbar location
821 ToolbarSection::ToolbarInfo & tbinfo = LyX::ref().session().toolbars().load(tbinfo.name);
822 Tb->move(tbinfo.posx, tbinfo.posy);
825 return Toolbars::ToolbarPtr(Tb);
829 WorkArea * GuiView::workArea(Buffer & buffer)
831 for (int i = 0; i != d.tab_widget_->count(); ++i) {
832 GuiWorkArea * wa = dynamic_cast<GuiWorkArea *>(d.tab_widget_->widget(i));
834 if (&wa->bufferView().buffer() == &buffer)
841 WorkArea * GuiView::addWorkArea(Buffer & buffer)
843 GuiWorkArea * wa = new GuiWorkArea(buffer, *this);
844 wa->setUpdatesEnabled(false);
845 d.tab_widget_->addTab(wa, toqstr(makeDisplayPath(buffer.fileName(), 30)));
846 wa->bufferView().updateMetrics(false);
848 d.stack_widget_->setCurrentWidget(d.tab_widget_);
849 // Hide tabbar if there's only one tab.
850 d.tab_widget_->showBar(d.tab_widget_->count() > 1);
855 WorkArea * GuiView::currentWorkArea()
857 if (d.tab_widget_->count() == 0)
859 BOOST_ASSERT(dynamic_cast<GuiWorkArea *>(d.tab_widget_->currentWidget()));
860 return dynamic_cast<GuiWorkArea *>(d.tab_widget_->currentWidget());
864 WorkArea const * GuiView::currentWorkArea() const
866 if (d.tab_widget_->count() == 0)
868 BOOST_ASSERT(dynamic_cast<GuiWorkArea const *>(d.tab_widget_->currentWidget()));
869 return dynamic_cast<GuiWorkArea const *>(d.tab_widget_->currentWidget());
873 void GuiView::setCurrentWorkArea(WorkArea * work_area)
875 BOOST_ASSERT(work_area);
877 // Changing work area can result from opening a file so
878 // update the toc in any case.
881 GuiWorkArea * wa = dynamic_cast<GuiWorkArea *>(work_area);
883 if (wa != d.tab_widget_->currentWidget())
884 // Switch to the work area.
885 d.tab_widget_->setCurrentWidget(wa);
887 // Make sure the work area is up to date.
888 currentTabChanged(d.tab_widget_->currentIndex());
893 void GuiView::removeWorkArea(WorkArea * work_area)
895 BOOST_ASSERT(work_area);
896 if (work_area == currentWorkArea()) {
898 disconnectBufferView();
901 // removing a work area often results from closing a file so
902 // update the toc in any case.
905 GuiWorkArea * gwa = dynamic_cast<GuiWorkArea *>(work_area);
906 gwa->setUpdatesEnabled(false);
908 int index = d.tab_widget_->indexOf(gwa);
909 d.tab_widget_->removeTab(index);
913 if (d.tab_widget_->count()) {
914 // make sure the next work area is enabled.
915 d.tab_widget_->currentWidget()->setUpdatesEnabled(true);
916 // Hide tabbar if there's only one tab.
917 d.tab_widget_->showBar(d.tab_widget_->count() > 1);
921 getDialogs().hideBufferDependent();
922 if (d.stack_widget_) {
923 // No more work area, switch to the background widget.
929 void GuiView::showMiniBuffer(bool visible)
931 Toolbar * t = toolbars_->display("minibuffer", visible);
933 t->focusCommandBuffer();
937 void GuiView::openMenu(docstring const & name)
939 d.menubar_->openByName(name);
942 } // namespace frontend
945 #include "GuiView_moc.cpp"