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 "QLyXKeySym.h"
21 #include "QLMenubar.h"
22 #include "QLToolbar.h"
23 #include "QCommandBuffer.h"
24 #include "qt_helpers.h"
26 #include "frontends/Application.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"
34 #include "BufferView.h"
35 #include "BufferList.h"
37 #include "FuncRequest.h"
43 #include "MenuBackend.h"
45 #include "BufferList.h"
48 #include <QApplication>
49 #include <QCloseEvent>
54 #include <QDesktopWidget>
55 #include <QVBoxLayout>
57 #include <boost/bind.hpp>
58 #include <boost/shared_ptr.hpp>
66 using support::FileName;
67 using support::libFileSearch;
68 using support::makeDisplayPath;
74 int const statusbar_timer_value = 3000;
76 class TabWidget : public QWidget
81 TabWidget(QWidget* w, bool topTabBar)
84 QVBoxLayout* layout = new QVBoxLayout;
86 layout->addWidget(tabbar);
89 tabbar->setShape(QTabBar::RoundedSouth);
91 layout->addWidget(tabbar);
99 for (int i = tabbar->count() - 1; i >= 0; --i)
100 tabbar->removeTab(i);
107 struct GuiView::GuiViewPrivate
109 vector<string> tabnames;
112 TabWidget* tabWidget;
117 GuiViewPrivate() : tabWidget(0), posx_offset(0), posy_offset(0)
120 unsigned int smallIconSize;
121 unsigned int normalIconSize;
122 unsigned int bigIconSize;
123 // static needed by "New Window"
124 static unsigned int lastIconSize;
126 QMenu* toolBarPopup(GuiView *parent)
128 // FIXME: translation
129 QMenu* menu = new QMenu(parent);
130 QActionGroup *iconSizeGroup = new QActionGroup(parent);
132 QAction *smallIcons = new QAction(iconSizeGroup);
133 smallIcons->setText(qt_("Small-sized icons"));
134 smallIcons->setCheckable(true);
135 QObject::connect(smallIcons, SIGNAL(triggered()), parent, SLOT(smallSizedIcons()));
136 menu->addAction(smallIcons);
138 QAction *normalIcons = new QAction(iconSizeGroup);
139 normalIcons->setText(qt_("Normal-sized icons"));
140 normalIcons->setCheckable(true);
141 QObject::connect(normalIcons, SIGNAL(triggered()), parent, SLOT(normalSizedIcons()));
142 menu->addAction(normalIcons);
145 QAction *bigIcons = new QAction(iconSizeGroup);
146 bigIcons->setText(qt_("Big-sized icons"));
147 bigIcons->setCheckable(true);
148 QObject::connect(bigIcons, SIGNAL(triggered()), parent, SLOT(bigSizedIcons()));
149 menu->addAction(bigIcons);
151 unsigned int cur = parent->iconSize().width();
152 if ( cur == parent->d.smallIconSize)
153 smallIcons->setChecked(true);
154 else if (cur == parent->d.normalIconSize)
155 normalIcons->setChecked(true);
156 else if (cur == parent->d.bigIconSize)
157 bigIcons->setChecked(true);
164 unsigned int GuiView::GuiViewPrivate::lastIconSize = 0;
167 GuiView::GuiView(int id)
168 : QMainWindow(), LyXView(id), commandbuffer_(0), quitting_by_menu_(false),
169 d(*new GuiViewPrivate)
171 // Qt bug? signal lastWindowClosed does not work
172 setAttribute(Qt::WA_QuitOnClose, false);
173 setAttribute(Qt::WA_DeleteOnClose, true);
175 // hardcode here the platform specific icon size
176 d.smallIconSize = 14; // scaling problems
177 d.normalIconSize = 20; // ok, default
178 d.bigIconSize = 26; // better for some math icons
181 // assign an icon to main form. We do not do it under Qt/Mac,
182 // since the icon is provided in the application bundle.
183 FileName const iconname = libFileSearch("images", "lyx", "xpm");
184 if (!iconname.empty())
185 setWindowIcon(QPixmap(toqstr(iconname.absFilename())));
197 void GuiView::close()
199 quitting_by_menu_ = true;
200 QMainWindow::close();
201 quitting_by_menu_ = false;
205 void GuiView::setFocus()
207 BOOST_ASSERT(work_area_);
208 static_cast<GuiWorkArea *>(work_area_)->setFocus();
212 QMenu* GuiView::createPopupMenu()
214 return d.toolBarPopup(this);
220 menubar_.reset(new QLMenubar(this, menubackend));
221 QObject::connect(menuBar(), SIGNAL(triggered(QAction *)),
222 this, SLOT(updateMenu(QAction *)));
224 getToolbars().init();
226 statusBar()->setSizeGripEnabled(true);
228 QObject::connect(&statusbar_timer_, SIGNAL(timeout()),
229 this, SLOT(update_view_state_qt()));
231 BOOST_ASSERT(work_area_);
232 if (!work_area_->bufferView().buffer() && !theBufferList().empty())
233 setBuffer(theBufferList().first());
235 // make sure the buttons are disabled if needed
237 updateLayoutChoice();
242 void GuiView::closeEvent(QCloseEvent * close_event)
244 // we may have been called through the close window button
245 // which bypasses the LFUN machinery.
246 if (!quitting_by_menu_ && theApp()->gui().viewIds().size() == 1) {
247 if (!theBufferList().quitWriteAll()) {
248 close_event->ignore();
253 theApp()->gui().unregisterView(id());
254 if (!theApp()->gui().viewIds().empty()) {
255 // Just close the window and do nothing else if this is not the
257 close_event->accept();
261 if (view()->buffer()) {
262 // save cursor position for opened files to .lyx/session
263 // only bottom (whole doc) level pit and pos is saved.
264 LyX::ref().session().lastFilePos().save(
265 FileName(buffer()->fileName()),
266 boost::tie(view()->cursor().bottom().pit(),
267 view()->cursor().bottom().pos()));
270 // this is the place where we leave the frontend.
271 // it is the only point at which we start quitting.
273 close_event->accept();
274 // quit the event loop
279 void GuiView::saveGeometry()
281 static bool done = false;
288 // change the ifdef to 'geometry = normalGeometry();' only
289 // when Trolltech has fixed the broken normalGeometry on X11:
290 // http://www.trolltech.com/developer/task-tracker/index_html?id=119684+&method=entry
291 // Then also the moveEvent, resizeEvent, and the
292 // code for floatingGeometry_ can be removed;
293 // adjust GuiView::setGeometry()
295 QRect normal_geometry;
298 normal_geometry = normalGeometry();
300 maximized = CompletelyMaximized;
302 maximized = NotMaximized;
305 normal_geometry = updateFloatingGeometry();
307 QDesktopWidget& dw = *qApp->desktop();
308 QRect desk = dw.availableGeometry(dw.primaryScreen());
309 // Qt bug on Linux: load completely maximized, vert max. save-> frameGeometry().height() is wrong
310 if (isMaximized() && desk.width() <= frameGeometry().width() && desk.height() <= frameGeometry().height()) {
311 maximized = CompletelyMaximized;
312 // maximizing does not work when the window is allready hor. or vert. maximized
313 // Tested only on KDE
314 int dh = frameGeometry().height() - height();
315 if (desk.height() <= normal_geometry.height() + dh)
316 normal_geometry.setHeight(normal_geometry.height() - 1);
317 int dw = frameGeometry().width() - width();
318 if (desk.width() <= normal_geometry.width() + dw)
319 normal_geometry.setWidth(normal_geometry.width() - 1);
320 } else if (desk.height() <= frameGeometry().height()) {
321 maximized = VerticallyMaximized;
322 } else if (desk.width() <= frameGeometry().width()) {
323 maximized = HorizontallyMaximized;
325 maximized = NotMaximized;
330 // save windows size and position
331 Session & session = LyX::ref().session();
332 session.sessionInfo().save("WindowWidth", convert<string>(normal_geometry.width()));
333 session.sessionInfo().save("WindowHeight", convert<string>(normal_geometry.height()));
334 session.sessionInfo().save("WindowMaximized", convert<string>(maximized));
335 session.sessionInfo().save("IconSizeXY", convert<string>(iconSize().width()));
336 if (lyxrc.geometry_xysaved) {
337 session.sessionInfo().save("WindowPosX", convert<string>(normal_geometry.x() + d.posx_offset));
338 session.sessionInfo().save("WindowPosY", convert<string>(normal_geometry.y() + d.posy_offset));
340 getToolbars().saveToolbarInfo();
344 void GuiView::setGeometry(unsigned int width,
348 unsigned int iconSizeXY,
349 const string & geometryArg)
351 // use last value (not at startup)
352 if (d.lastIconSize != 0)
353 setIconSize(d.lastIconSize);
354 else if (iconSizeXY != 0)
355 setIconSize(iconSizeXY);
357 setIconSize(d.normalIconSize);
359 // only true when the -geometry option was NOT used
360 if (width != 0 && height != 0) {
361 if (posx != -1 && posy != -1) {
362 // if there are startup positioning problems:
363 // http://doc.trolltech.com/4.2/qdesktopwidget.html
364 QDesktopWidget& dw = *qApp->desktop();
365 if (dw.isVirtualDesktop()) {
366 if(!dw.geometry().contains(posx, posy)) {
371 // Which system doesn't use a virtual desktop?
372 // TODO save also last screen number and check if it is still availabe.
375 // FIXME: use setGeometry only when Trolltech has fixed the qt4/X11 bug
376 QWidget::setGeometry(posx, posy, width, height);
378 resize(width, height);
382 resize(width, height);
385 // remember original size
386 floatingGeometry_ = QRect(posx, posy, width, height);
388 if (maximized != NotMaximized) {
389 if (maximized == CompletelyMaximized) {
390 setWindowState(Qt::WindowMaximized);
393 // TODO How to set by the window manager?
394 // setWindowState(Qt::WindowVerticallyMaximized);
396 QDesktopWidget& dw = *qApp->desktop();
397 QRect desk = dw.availableGeometry(dw.primaryScreen());
398 if (maximized == VerticallyMaximized)
399 resize(width, desk.height());
400 if (maximized == HorizontallyMaximized)
401 resize(desk.width(), height);
408 // FIXME: move this code into parse_geometry() (LyX.cpp)
412 QRegExp re( "[=]*(?:([0-9]+)[xX]([0-9]+)){0,1}[ ]*(?:([+-][0-9]*)([+-][0-9]*)){0,1}" );
413 re.indexIn(toqstr(geometryArg.c_str()));
414 w = re.cap(1).toInt();
415 h = re.cap(2).toInt();
416 x = re.cap(3).toInt();
417 y = re.cap(4).toInt();
418 QWidget::setGeometry( x, y, w, h );
427 // For an unknown reason, the Window title update is not effective for
428 // the second windows up until it is shown on screen (Qt bug?).
431 // after show geometry() has changed (Qt bug?)
432 // we compensate the drift when storing the position
435 if (width != 0 && height != 0)
436 if (posx != -1 && posy != -1) {
438 d.posx_offset = posx - normalGeometry().x();
439 d.posy_offset = posy - normalGeometry().y();
442 if (maximized == NotMaximized) {
443 d.posx_offset = posx - geometry().x();
444 d.posy_offset = posy - geometry().y();
452 void GuiView::updateMenu(QAction * /*action*/)
458 void GuiView::setWindowTitle(docstring const & t, docstring const & it)
460 QString title = windowTitle();
461 QString new_title = toqstr(t);
462 if (title != new_title) {
463 QMainWindow::setWindowTitle(new_title);
464 QMainWindow::setWindowIconText(toqstr(it));
469 void GuiView::addCommandBuffer(QToolBar * toolbar)
471 commandbuffer_ = new QCommandBuffer(this, *controlcommand_);
472 focus_command_buffer.connect(boost::bind(&GuiView::focus_command_widget, this));
473 toolbar->addWidget(commandbuffer_);
477 void GuiView::message(docstring const & str)
479 statusBar()->showMessage(toqstr(str));
480 statusbar_timer_.stop();
481 statusbar_timer_.start(statusbar_timer_value);
485 void GuiView::clearMessage()
487 update_view_state_qt();
491 void GuiView::setIconSize(unsigned int size)
493 d.lastIconSize = size;
494 QMainWindow::setIconSize(QSize(size, size));
498 void GuiView::smallSizedIcons()
500 setIconSize(d.smallIconSize);
504 void GuiView::normalSizedIcons()
506 setIconSize(d.normalIconSize);
510 void GuiView::bigSizedIcons()
512 setIconSize(d.bigIconSize);
516 void GuiView::focus_command_widget()
519 commandbuffer_->focus_command();
523 void GuiView::update_view_state_qt()
525 statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
526 statusbar_timer_.stop();
530 void GuiView::initTab(QWidget* workarea)
532 // construct the TabWidget with 'false' to have the tabbar at the bottom
533 d.tabWidget = new TabWidget(workarea, true);
534 setCentralWidget(d.tabWidget);
535 QObject::connect(d.tabWidget->tabbar, SIGNAL(currentChanged(int)),
536 this, SLOT(currentTabChanged(int)));
540 void GuiView::updateTab()
542 std::vector<string> const & names = theBufferList().getFileNames();
545 if (view()->buffer()) {
546 cur_title = view()->buffer()->fileName();
549 // avoid unnecessary tabbar rebuild:
550 // check if something has changed
551 if (d.tabnames == names && d.cur_title == cur_title)
554 d.cur_title = cur_title;
556 QTabBar & tabbar = *d.tabWidget->tabbar;
558 // update when all is done
559 tabbar.blockSignals(true);
561 // remove all tab bars
562 d.tabWidget->clearTabbar();
564 // rebuild tabbar and function map from scratch
565 if (names.size() > 1) {
566 for(size_t i = 0; i < names.size(); i++) {
567 tabbar.addTab(toqstr(makeDisplayPath(names[i], 30)));
569 if (names[i] == cur_title)
570 tabbar.setCurrentIndex(i);
573 tabbar.blockSignals(false);
577 void GuiView::currentTabChanged(int i)
579 BOOST_ASSERT(i >= 0 && size_type(i) < d.tabnames.size());
580 dispatch(FuncRequest(LFUN_BUFFER_SWITCH, d.tabnames[i]));
584 void GuiView::updateStatusBar()
586 // let the user see the explicit message
587 if (statusbar_timer_.isActive())
590 statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
594 void GuiView::activated(FuncRequest const & func)
600 bool GuiView::hasFocus() const
602 return qApp->activeWindow() == this;
606 QRect GuiView::updateFloatingGeometry()
608 QDesktopWidget& dw = *qApp->desktop();
609 QRect desk = dw.availableGeometry(dw.primaryScreen());
610 // remember only non-maximized sizes
611 if (!isMaximized() && desk.width() > frameGeometry().width() && desk.height() > frameGeometry().height()) {
612 floatingGeometry_ = QRect(x(), y(), width(), height());
614 return floatingGeometry_;
618 void GuiView::resizeEvent(QResizeEvent *)
620 updateFloatingGeometry();
624 void GuiView::moveEvent(QMoveEvent *)
626 updateFloatingGeometry();
630 bool GuiView::event(QEvent * e)
632 // Useful debug code:
636 case QEvent::WindowActivate:
637 case QEvent::ActivationChange:
638 case QEvent::WindowDeactivate:
642 case QEvent::HoverEnter:
643 case QEvent::HoverLeave:
644 case QEvent::HoverMove:
645 case QEvent::StatusTip:
650 if (e->type() == QEvent::ShortcutOverride) {
651 QKeyEvent * ke = static_cast<QKeyEvent*>(e);
652 if (ke->key() == Qt::Key_Tab || ke->key() == Qt::Key_Backtab) {
653 boost::shared_ptr<QLyXKeySym> sym(new QLyXKeySym);
655 BOOST_ASSERT(work_area_);
656 work_area_->processKeySym(sym, key_modifier::none);
661 //} for the debug switch above.
663 return QMainWindow::event(e);
667 bool GuiView::focusNextPrevChild(bool /*next*/)
676 QMainWindow::setWindowTitle(qt_("LyX"));
678 updateFloatingGeometry();
682 void GuiView::busy(bool yes)
684 BOOST_ASSERT(work_area_);
685 static_cast<GuiWorkArea *>(work_area_)->setUpdatesEnabled(!yes);
688 work_area_->stopBlinkingCursor();
689 QApplication::setOverrideCursor(Qt::WaitCursor);
692 work_area_->startBlinkingCursor();
693 QApplication::restoreOverrideCursor();
698 Toolbars::ToolbarPtr GuiView::makeToolbar(ToolbarInfo const & tbinfo, bool newline)
700 QLToolbar * Tb = new QLToolbar(tbinfo, *this);
702 if (tbinfo.flags & ToolbarInfo::TOP) {
704 addToolBarBreak(Qt::TopToolBarArea);
705 addToolBar(Qt::TopToolBarArea, Tb);
708 if (tbinfo.flags & ToolbarInfo::BOTTOM) {
709 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
710 #if (QT_VERSION >= 0x040202)
712 addToolBarBreak(Qt::BottomToolBarArea);
714 addToolBar(Qt::BottomToolBarArea, Tb);
717 if (tbinfo.flags & ToolbarInfo::LEFT) {
718 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
719 #if (QT_VERSION >= 0x040202)
721 addToolBarBreak(Qt::LeftToolBarArea);
723 addToolBar(Qt::LeftToolBarArea, Tb);
726 if (tbinfo.flags & ToolbarInfo::RIGHT) {
727 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
728 #if (QT_VERSION >= 0x040202)
730 addToolBarBreak(Qt::RightToolBarArea);
732 addToolBar(Qt::RightToolBarArea, Tb);
735 // The following does not work so I cannot restore to exact toolbar location
737 ToolbarSection::ToolbarInfo & tbinfo = LyX::ref().session().toolbars().load(tbinfo.name);
738 Tb->move(tbinfo.posx, tbinfo.posy);
741 return Toolbars::ToolbarPtr(Tb);
744 } // namespace frontend
747 #include "GuiView_moc.cpp"