2 * \file GuiApplication.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * \author Abdelrazak Younes
10 * Full author contact details are available in file CREDITS.
15 #include "GuiApplication.h"
17 #include "ColorCache.h"
19 #include "GuiClipboard.h"
21 #include "GuiKeySymbol.h"
22 #include "GuiSelection.h"
25 #include "qt_helpers.h"
28 #include "frontends/alert.h"
29 #include "frontends/Application.h"
30 #include "frontends/FontLoader.h"
31 #include "frontends/FontMetrics.h"
34 #include "BufferList.h"
35 #include "BufferView.h"
38 #include "FuncRequest.h"
39 #include "FuncStatus.h"
43 #include "LyXAction.h"
49 #include "support/lassert.h"
50 #include "support/debug.h"
51 #include "support/ExceptionMessage.h"
52 #include "support/FileName.h"
53 #include "support/foreach.h"
54 #include "support/ForkedCalls.h"
55 #include "support/gettext.h"
56 #include "support/lstrings.h"
57 #include "support/lyxalgo.h" // sorted
58 #include "support/Messages.h"
59 #include "support/os.h"
60 #include "support/Package.h"
63 #include "support/linkback/LinkBackProxy.h"
73 #include <QFileOpenEvent>
77 #include <QImageReader>
79 #include <QLibraryInfo>
81 #include <QMacPasteboardMime>
86 #include <QPixmapCache>
88 #include <QSessionManager>
90 #include <QSocketNotifier>
91 #include <QSortFilterProxyModel>
92 #include <QStandardItemModel>
95 #include <QTranslator>
99 #include <X11/Xatom.h>
100 #include <X11/Xlib.h>
106 #include <QWindowsMime>
113 #include <boost/bind.hpp>
114 #include <boost/crc.hpp>
120 using namespace lyx::support;
123 static void initializeResources()
125 static bool initialized = false;
127 Q_INIT_RESOURCE(Resources);
135 frontend::Application * createApplication(int & argc, char * argv[])
138 // prune -geometry argument(s) by shifting
139 // the following ones 2 places down.
140 for (int i = 0 ; i < argc ; ++i) {
141 if (strcmp(argv[i], "-geometry") == 0) {
142 int const remove = (i+1) < argc ? 2 : 1;
144 for (int j = i; j < argc; ++j)
145 argv[j] = argv[j + remove];
150 return new frontend::GuiApplication(argc, argv);
156 /// Return the list of loadable formats.
157 vector<string> loadableImageFormats()
161 QList<QByteArray> qt_formats = QImageReader::supportedImageFormats();
163 LYXERR(Debug::GRAPHICS,
164 "\nThe image loader can load the following directly:\n");
166 if (qt_formats.empty())
167 LYXERR(Debug::GRAPHICS, "\nQt4 Problem: No Format available!");
169 for (QList<QByteArray>::const_iterator it = qt_formats.begin(); it != qt_formats.end(); ++it) {
171 LYXERR(Debug::GRAPHICS, (const char *) *it << ", ");
173 string ext = ascii_lowercase((const char *) *it);
184 ////////////////////////////////////////////////////////////////////////
186 // Icon loading support code
188 ////////////////////////////////////////////////////////////////////////
198 bool operator<(PngMap const & lhs, PngMap const & rhs)
200 return lhs.key < rhs.key;
206 CompareKey(QString const & name) : name_(name) {}
207 bool operator()(PngMap const & other) const { return other.key == name_; }
213 // this must be sorted alphabetically
214 // Upper case comes before lower case
215 PngMap sorted_png_map[] = {
216 { "Bumpeq", "bumpeq2" },
219 { "Delta", "delta2" },
220 { "Downarrow", "downarrow2" },
221 { "Gamma", "gamma2" },
222 { "Lambda", "lambda2" },
223 { "Leftarrow", "leftarrow2" },
224 { "Leftrightarrow", "leftrightarrow2" },
225 { "Longleftarrow", "longleftarrow2" },
226 { "Longleftrightarrow", "longleftrightarrow2" },
227 { "Longrightarrow", "longrightarrow2" },
228 { "Omega", "omega2" },
232 { "Rightarrow", "rightarrow2" },
233 { "Sigma", "sigma2" },
234 { "Subset", "subset2" },
235 { "Supset", "supset2" },
236 { "Theta", "theta2" },
237 { "Uparrow", "uparrow2" },
238 { "Updownarrow", "updownarrow2" },
239 { "Upsilon", "upsilon2" },
240 { "Vdash", "vdash3" },
243 { "nLeftarrow", "nleftarrow2" },
244 { "nLeftrightarrow", "nleftrightarrow2" },
245 { "nRightarrow", "nrightarrow2" },
246 { "nVDash", "nvdash3" },
247 { "nvDash", "nvdash2" },
248 { "textrm \\AA", "textrm_AA"},
249 { "textrm \\O", "textrm_O"},
250 { "vDash", "vdash2" }
253 size_t const nr_sorted_png_map = sizeof(sorted_png_map) / sizeof(PngMap);
256 QString findPng(QString const & name)
258 PngMap const * const begin = sorted_png_map;
259 PngMap const * const end = begin + nr_sorted_png_map;
260 LASSERT(sorted(begin, end), /**/);
262 PngMap const * const it = find_if(begin, end, CompareKey(name));
266 png_name = it->value;
269 png_name.replace('_', "underscore");
270 png_name.replace(' ', '_');
272 // This way we can have "math-delim { }" on the toolbar.
273 png_name.replace('(', "lparen");
274 png_name.replace(')', "rparen");
275 png_name.replace('[', "lbracket");
276 png_name.replace(']', "rbracket");
277 png_name.replace('{', "lbrace");
278 png_name.replace('}', "rbrace");
279 png_name.replace('|', "bars");
280 png_name.replace(',', "thinspace");
281 png_name.replace(':', "mediumspace");
282 png_name.replace(';', "thickspace");
283 png_name.replace('!', "negthinspace");
286 LYXERR(Debug::GUI, "findPng(" << name << ")\n"
287 << "Looking for math PNG called \"" << png_name << '"');
294 QString iconName(FuncRequest const & f, bool unknown)
296 initializeResources();
301 case LFUN_MATH_INSERT:
302 if (!f.argument().empty()) {
304 name1 = findPng(toqstr(f.argument()).mid(1));
307 case LFUN_MATH_DELIM:
308 case LFUN_MATH_BIGDELIM:
310 name1 = findPng(toqstr(f.argument()));
314 name1 = toqstr(f.argument());
316 case LFUN_COMMAND_ALTERNATIVES: {
317 // use the first of the alternative commands
319 docstring dummy = split(f.argument(), firstcom, ';');
320 name1 = toqstr(firstcom);
321 name1.replace(' ', '_');
325 name2 = toqstr(lyxaction.getActionName(f.action));
328 if (!f.argument().empty()) {
329 name1 = name2 + ' ' + toqstr(f.argument());
330 name1.replace(' ', '_');
331 name1.replace('\\', "backslash");
335 FileName fname = libFileSearch("images/" + path, name1, "png");
337 return toqstr(fname.absFilename());
339 fname = libFileSearch("images/" + path, name2, "png");
341 return toqstr(fname.absFilename());
343 path = ":/images/" + path;
346 LYXERR0("Directory " << path << " not found in resource!");
350 if (res.exists(name1))
354 if (res.exists(name2))
357 LYXERR(Debug::GUI, "Cannot find icon with filename "
358 << "\"" << name1 << "\""
360 << "\"" << name2 << "\""
362 << lyxaction.getActionName(f.action)
363 << '(' << to_utf8(f.argument()) << ")\"");
366 return QString(":/images/unknown.png");
372 QIcon getIcon(FuncRequest const & f, bool unknown)
374 QString icon = iconName(f, unknown);
378 //LYXERR(Debug::GUI, "Found icon: " << icon);
380 if (!pm.load(icon)) {
381 LYXERR0("Cannot load icon " << icon << " please verify resource system!");
389 ////////////////////////////////////////////////////////////////////////
391 // LyX server support code.
393 ////////////////////////////////////////////////////////////////////////
395 class SocketNotifier : public QSocketNotifier
398 /// connect a connection notification from the LyXServerSocket
399 SocketNotifier(QObject * parent, int fd, Application::SocketCallback func)
400 : QSocketNotifier(fd, QSocketNotifier::Read, parent), func_(func)
404 /// The callback function
405 Application::SocketCallback func_;
409 ////////////////////////////////////////////////////////////////////////
411 // Mac specific stuff goes here...
413 ////////////////////////////////////////////////////////////////////////
415 class MenuTranslator : public QTranslator
418 MenuTranslator(QObject * parent)
419 : QTranslator(parent)
422 QString translate(const char * /*context*/,
423 const char * sourceText,
424 const char * /*comment*/ = 0)
426 string const s = sourceText;
427 if (s == N_("About %1") || s == N_("Preferences")
428 || s == N_("Reconfigure") || s == N_("Quit %1"))
435 class GlobalMenuBar : public QMenuBar
439 GlobalMenuBar() : QMenuBar(0) {}
442 bool event(QEvent * e)
444 if (e->type() == QEvent::ShortcutOverride) {
445 // && activeWindow() == 0) {
446 QKeyEvent * ke = static_cast<QKeyEvent*>(e);
448 setKeySymbol(&sym, ke);
449 theLyXFunc().processKeySym(sym, q_key_state(ke->modifiers()));
458 // QMacPasteboardMimeGraphics can only be compiled on Mac.
460 class QMacPasteboardMimeGraphics : public QMacPasteboardMime
463 QMacPasteboardMimeGraphics()
464 : QMacPasteboardMime(MIME_QT_CONVERTOR|MIME_ALL)
467 QString convertorName() { return "Graphics"; }
469 QString flavorFor(QString const & mime)
471 LYXERR(Debug::ACTION, "flavorFor " << mime);
472 if (mime == pdfMimeType())
473 return QLatin1String("com.adobe.pdf");
477 QString mimeFor(QString flav)
479 LYXERR(Debug::ACTION, "mimeFor " << flav);
480 if (flav == QLatin1String("com.adobe.pdf"))
481 return pdfMimeType();
485 bool canConvert(QString const & mime, QString flav)
487 return mimeFor(flav) == mime;
490 QVariant convertToMime(QString const & /*mime*/, QList<QByteArray> data,
494 qWarning("QMacPasteboardMimeGraphics: Cannot handle multiple member data");
498 QList<QByteArray> convertFromMime(QString const & /*mime*/,
499 QVariant data, QString /*flav*/)
501 QList<QByteArray> ret;
502 ret.append(data.toByteArray());
508 ///////////////////////////////////////////////////////////////
510 // You can find more platform specific stuff at the end of this file...
512 ///////////////////////////////////////////////////////////////
514 ////////////////////////////////////////////////////////////////////////
515 // Windows specific stuff goes here...
518 // QWindowsMimeMetafile can only be compiled on Windows.
520 static FORMATETC cfFromMime(QString const & mimetype)
523 if (mimetype == emfMimeType()) {
524 formatetc.cfFormat = CF_ENHMETAFILE;
525 formatetc.tymed = TYMED_ENHMF;
526 } else if (mimetype == wmfMimeType()) {
527 formatetc.cfFormat = CF_METAFILEPICT;
528 formatetc.tymed = TYMED_MFPICT;
531 formatetc.dwAspect = DVASPECT_CONTENT;
532 formatetc.lindex = -1;
537 class QWindowsMimeMetafile : public QWindowsMime {
539 QWindowsMimeMetafile() {}
541 bool canConvertFromMime(FORMATETC const & formatetc,
542 QMimeData const * mimedata) const
547 bool canConvertToMime(QString const & mimetype,
548 IDataObject * pDataObj) const
550 if (mimetype != emfMimeType() && mimetype != wmfMimeType())
552 FORMATETC formatetc = cfFromMime(mimetype);
553 return pDataObj->QueryGetData(&formatetc) == S_OK;
556 bool convertFromMime(FORMATETC const & formatetc,
557 const QMimeData * mimedata, STGMEDIUM * pmedium) const
562 QVariant convertToMime(QString const & mimetype, IDataObject * pDataObj,
563 QVariant::Type preferredType) const
566 if (!canConvertToMime(mimetype, pDataObj))
569 FORMATETC formatetc = cfFromMime(mimetype);
571 if (pDataObj->GetData(&formatetc, &s) != S_OK)
575 if (s.tymed == TYMED_ENHMF) {
576 dataSize = GetEnhMetaFileBits(s.hEnhMetaFile, 0, 0);
577 data.resize(dataSize);
578 dataSize = GetEnhMetaFileBits(s.hEnhMetaFile, dataSize,
579 (LPBYTE)data.data());
580 } else if (s.tymed == TYMED_MFPICT) {
581 dataSize = GetMetaFileBitsEx((HMETAFILE)s.hMetaFilePict, 0, 0);
582 data.resize(dataSize);
583 dataSize = GetMetaFileBitsEx((HMETAFILE)s.hMetaFilePict, dataSize,
584 (LPBYTE)data.data());
587 ReleaseStgMedium(&s);
593 QVector<FORMATETC> formatsForMime(QString const & mimetype,
594 QMimeData const * mimedata) const
596 QVector<FORMATETC> formats;
597 if (mimetype == emfMimeType() || mimetype == wmfMimeType())
598 formats += cfFromMime(mimetype);
602 QString mimeForFormat(FORMATETC const & formatetc) const
604 switch (formatetc.cfFormat) {
606 return emfMimeType();
607 case CF_METAFILEPICT:
608 return wmfMimeType();
616 ////////////////////////////////////////////////////////////////////////
617 // GuiApplication::Private definition and implementation.
618 ////////////////////////////////////////////////////////////////////////
620 struct GuiApplication::Private
622 Private(): language_model_(0), global_menubar_(0) {}
625 QSortFilterProxyModel * language_model_;
627 GuiClipboard clipboard_;
629 GuiSelection selection_;
631 FontLoader font_loader_;
633 ColorCache color_cache_;
635 QTranslator qt_trans_;
637 QHash<int, SocketNotifier *> socket_notifiers_;
641 /// The global instance
644 /// this timer is used for any regular events one wants to
645 /// perform. at present it is used to check if forked processes
647 QTimer general_timer_;
649 /// delayed FuncRequests
650 std::queue<FuncRequest> func_request_queue_;
652 /// Multiple views container.
654 * Warning: This must not be a smart pointer as the destruction of the
655 * object is handled by Qt when the view is closed
656 * \sa Qt::WA_DeleteOnClose attribute.
658 QHash<int, GuiView *> views_;
660 /// Only used on mac.
661 GlobalMenuBar * global_menubar_;
664 /// Linkback mime handler for MacOSX.
665 QMacPasteboardMimeGraphics mac_pasteboard_mime_;
669 /// WMF Mime handler for Windows clipboard.
670 /// \warning: see comment in ~GuiApplication and in bug 4846.
671 QWindowsMimeMetafile wmf_mime_;
676 GuiApplication * guiApp;
678 GuiApplication::~GuiApplication()
681 closeAllLinkBackLinks();
683 // FIXME: Work around bug 4846 for Windows Vista and Qt4
684 // (see http://bugzilla.lyx.org/show_bug.cgi?id=4846)
685 // If the clipboard is not cleared, LyX crashes on exit when it is
686 // compiled in release mode and if there is something in the clipboard.
687 // This is related to QWindowsMimeMetafile which is apparently not
688 // properly destroyed.
689 qApp->clipboard()->clear(QClipboard::Clipboard);
694 GuiApplication::GuiApplication(int & argc, char ** argv)
695 : QApplication(argc, argv), current_view_(0), d(new GuiApplication::Private)
697 QString app_name = "LyX";
698 QCoreApplication::setOrganizationName(app_name);
699 QCoreApplication::setOrganizationDomain("lyx.org");
700 QCoreApplication::setApplicationName(app_name + "-" + lyx_version);
702 // Install translator for GUI elements.
703 installTranslator(&d->qt_trans_);
705 // FIXME: quitOnLastWindowClosed is true by default. We should have a
706 // lyxrc setting for this in order to let the application stay resident.
707 // But then we need some kind of dock icon, at least on Windows.
709 if (lyxrc.quit_on_last_window_closed)
710 setQuitOnLastWindowClosed(false);
713 // FIXME: Do we need a lyxrc setting for this on Mac? This behaviour
714 // seems to be the default case for applications like LyX.
715 setQuitOnLastWindowClosed(false);
717 // This allows to translate the strings that appear in the LyX menu.
718 /// A translator suitable for the entries in the LyX menu.
719 /// Only needed with Qt/Mac.
720 installTranslator(new MenuTranslator(this));
724 // doubleClickInterval() is 400 ms on X11 which is just too long.
725 // On Windows and Mac OS X, the operating system's value is used.
726 // On Microsoft Windows, calling this function sets the double
727 // click interval for all applications. So we don't!
728 QApplication::setDoubleClickInterval(300);
731 connect(this, SIGNAL(lastWindowClosed()), this, SLOT(onLastWindowClosed()));
733 // needs to be done before reading lyxrc
735 lyxrc.dpi = (w.logicalDpiX() + w.logicalDpiY()) / 2;
739 // Set the cache to 5120 kilobytes which corresponds to screen size of
740 // 1280 by 1024 pixels with a color depth of 32 bits.
741 QPixmapCache::setCacheLimit(5120);
743 // Initialize RC Fonts
744 if (lyxrc.roman_font_name.empty())
745 lyxrc.roman_font_name = fromqstr(romanFontName());
747 if (lyxrc.sans_font_name.empty())
748 lyxrc.sans_font_name = fromqstr(sansFontName());
750 if (lyxrc.typewriter_font_name.empty())
751 lyxrc.typewriter_font_name = fromqstr(typewriterFontName());
753 d->general_timer_.setInterval(500);
754 connect(&d->general_timer_, SIGNAL(timeout()),
755 this, SLOT(handleRegularEvents()));
756 d->general_timer_.start();
760 GuiApplication * theGuiApp()
762 return dynamic_cast<GuiApplication *>(theApp());
766 void GuiApplication::clearSession()
773 docstring GuiApplication::iconName(FuncRequest const & f, bool unknown)
775 return qstring_to_ucs4(lyx::frontend::iconName(f, unknown));
780 bool GuiApplication::getStatus(FuncRequest const & cmd, FuncStatus & flag) const
786 case LFUN_WINDOW_CLOSE:
787 enable = d->views_.size() > 0;
790 case LFUN_BUFFER_NEW:
791 case LFUN_BUFFER_NEW_TEMPLATE:
793 case LFUN_SCREEN_FONT_UPDATE:
795 case LFUN_WINDOW_NEW:
805 flag.setEnabled(false);
811 bool GuiApplication::dispatch(FuncRequest const & cmd)
813 switch (cmd.action) {
815 case LFUN_WINDOW_NEW:
816 createView(toqstr(cmd.argument()));
819 case LFUN_WINDOW_CLOSE:
820 // update bookmark pit of the current buffer before window close
821 for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
822 theLyXFunc().gotoBookmark(i+1, false, false);
823 current_view_->close();
827 // quitting is triggered by the gui code
828 // (leaving the event loop).
830 current_view_->message(from_utf8(N_("Exiting.")));
835 case LFUN_SCREEN_FONT_UPDATE: {
836 // handle the screen font changes.
837 d->font_loader_.update();
838 // Backup current_view_
839 GuiView * view = current_view_;
840 // Set current_view_ to zero to forbid GuiWorkArea::redraw()
841 // to skip the refresh.
843 BufferList::iterator it = theBufferList().begin();
844 BufferList::iterator const end = theBufferList().end();
845 for (; it != end; ++it)
847 // Restore current_view_
848 current_view_ = view;
852 case LFUN_BUFFER_NEW:
853 if (d->views_.empty()
854 || (!lyxrc.open_buffers_in_tabs && current_view_->buffer() != 0)) {
855 createView(QString(), false); // keep hidden
856 current_view_->newDocument(to_utf8(cmd.argument()), false);
857 current_view_->show();
858 setActiveWindow(current_view_);
860 current_view_->newDocument(to_utf8(cmd.argument()), false);
864 case LFUN_BUFFER_NEW_TEMPLATE:
865 if (d->views_.empty()
866 || (!lyxrc.open_buffers_in_tabs && current_view_->buffer() != 0)) {
868 current_view_->newDocument(to_utf8(cmd.argument()), true);
869 if (!current_view_->buffer())
870 current_view_->close();
872 current_view_->newDocument(to_utf8(cmd.argument()), true);
877 if (d->views_.empty()
878 || (!lyxrc.open_buffers_in_tabs && current_view_->buffer() != 0)) {
879 string const fname = to_utf8(cmd.argument());
880 // We want the ui session to be saved per document and not per
881 // window number. The filename crc is a good enough identifier.
882 boost::crc_32_type crc;
883 crc = for_each(fname.begin(), fname.end(), crc);
884 createView(crc.checksum());
885 current_view_->openDocument(fname);
886 if (current_view_ && !current_view_->buffer())
887 current_view_->close();
889 current_view_->openDocument(to_utf8(cmd.argument()));
892 case LFUN_SET_COLOR: {
894 string const x11_name = split(to_utf8(cmd.argument()), lyx_name, ' ');
895 if (lyx_name.empty() || x11_name.empty()) {
896 current_view_->message(
897 _("Syntax: set-color <lyx_name> <x11_name>"));
901 string const graphicsbg = lcolor.getLyXName(Color_graphicsbg);
902 bool const graphicsbg_changed = lyx_name == graphicsbg
903 && x11_name != graphicsbg;
904 if (graphicsbg_changed) {
905 // FIXME: The graphics cache no longer has a changeDisplay method.
907 graphics::GCache::get().changeDisplay(true);
911 if (!lcolor.setColor(lyx_name, x11_name)) {
912 current_view_->message(
913 bformat(_("Set-color \"%1$s\" failed "
914 "- color is undefined or "
915 "may not be redefined"),
916 from_utf8(lyx_name)));
919 // Make sure we don't keep old colors in cache.
920 d->color_cache_.clear();
925 // Notify the caller that the action has not been dispatched.
929 // The action has been dispatched.
934 void GuiApplication::dispatchDelayed(FuncRequest const & func)
936 d->func_request_queue_.push(func);
937 QTimer::singleShot(0, this, SLOT(processFuncRequestQueue()));
941 void GuiApplication::resetGui()
943 // Set the language defined by the user.
947 if (!readUIFile(toqstr(lyxrc.ui_file)))
948 // Gives some error box here.
951 if (d->global_menubar_)
952 d->menus_.fillMenuBar(d->global_menubar_, 0, false);
954 QHash<int, GuiView *>::iterator it;
955 for (it = d->views_.begin(); it != d->views_.end(); ++it) {
957 gv->setLayoutDirection(layoutDirection());
961 dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
965 void GuiApplication::createView(int view_id)
967 createView(QString(), true, view_id);
971 void GuiApplication::createView(QString const & geometry_arg, bool autoShow,
974 // release the keyboard which might have been grabed by the global
975 // menubar on Mac to catch shortcuts even without any GuiView.
976 if (d->global_menubar_)
977 d->global_menubar_->releaseKeyboard();
982 while (d->views_.find(id) != d->views_.end())
985 LYXERR(Debug::GUI, "About to create new window with ID " << id);
986 GuiView * view = new GuiView(id);
988 d->views_[id] = view;
992 setActiveWindow(view);
995 if (!geometry_arg.isEmpty()) {
999 QRegExp re( "[=]*(?:([0-9]+)[xX]([0-9]+)){0,1}[ ]*(?:([+-][0-9]*)([+-][0-9]*)){0,1}" );
1000 re.indexIn(geometry_arg);
1001 w = re.cap(1).toInt();
1002 h = re.cap(2).toInt();
1003 x = re.cap(3).toInt();
1004 y = re.cap(4).toInt();
1005 view->setGeometry(x, y, w, h);
1012 Clipboard & GuiApplication::clipboard()
1014 return d->clipboard_;
1018 Selection & GuiApplication::selection()
1020 return d->selection_;
1024 FontLoader & GuiApplication::fontLoader()
1026 return d->font_loader_;
1030 Toolbars const & GuiApplication::toolbars() const
1032 return d->toolbars_;
1036 Toolbars & GuiApplication::toolbars()
1038 return d->toolbars_;
1042 Menus const & GuiApplication::menus() const
1048 Menus & GuiApplication::menus()
1054 QList<int> GuiApplication::viewIds() const
1056 return d->views_.keys();
1060 ColorCache & GuiApplication::colorCache()
1062 return d->color_cache_;
1066 int GuiApplication::exec()
1068 // asynchronously handle batch commands. This event will be in
1069 // the event queue in front of other asynchronous events. Hence,
1070 // we can assume in the latter that the gui is setup already.
1071 QTimer::singleShot(0, this, SLOT(execBatchCommands()));
1073 return QApplication::exec();
1077 void GuiApplication::exit(int status)
1079 QApplication::exit(status);
1083 void GuiApplication::setGuiLanguage()
1085 // Set the language defined by the user.
1088 QString const default_language = toqstr(Messages::defaultLanguage());
1089 LYXERR(Debug::LOCALE, "Tring to set default locale to: " << default_language);
1090 QLocale const default_locale(default_language);
1091 QLocale::setDefault(default_locale);
1093 // install translation file for Qt built-in dialogs
1094 QString const language_name = QString("qt_") + default_locale.name();
1096 // language_name can be short (e.g. qt_zh) or long (e.g. qt_zh_CN).
1097 // Short-named translator can be loaded from a long name, but not the
1098 // opposite. Therefore, long name should be used without truncation.
1099 // c.f. http://doc.trolltech.com/4.1/qtranslator.html#load
1100 if (!d->qt_trans_.load(language_name,
1101 QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
1102 LYXERR(Debug::LOCALE, "Could not find Qt translations for locale "
1105 LYXERR(Debug::LOCALE, "Successfully installed Qt translations for locale "
1109 switch (default_locale.language()) {
1110 case QLocale::Arabic :
1111 case QLocale::Hebrew :
1112 case QLocale::Persian :
1113 case QLocale::Urdu :
1114 setLayoutDirection(Qt::RightToLeft);
1117 setLayoutDirection(Qt::LeftToRight);
1122 void GuiApplication::processFuncRequestQueue()
1124 while (!d->func_request_queue_.empty()) {
1125 lyx::dispatch(d->func_request_queue_.back());
1126 d->func_request_queue_.pop();
1131 void GuiApplication::execBatchCommands()
1136 if (!readUIFile(toqstr(lyxrc.ui_file)))
1137 // Gives some error box here.
1141 // Create the global default menubar which is shown for the dialogs
1142 // and if no GuiView is visible.
1143 // This must be done after the session was recovered to know the "last files".
1144 d->global_menubar_ = new GlobalMenuBar();
1145 d->menus_.fillMenuBar(d->global_menubar_, 0, true);
1148 lyx::execBatchCommands();
1152 QAbstractItemModel * GuiApplication::languageModel()
1154 if (d->language_model_)
1155 return d->language_model_;
1157 QStandardItemModel * lang_model = new QStandardItemModel(this);
1158 lang_model->insertColumns(0, 1);
1160 Languages::const_iterator it = languages.begin();
1161 Languages::const_iterator end = languages.end();
1162 for (; it != end; ++it) {
1163 current_row = lang_model->rowCount();
1164 lang_model->insertRows(current_row, 1);
1165 QModelIndex item = lang_model->index(current_row, 0);
1166 lang_model->setData(item, qt_(it->second.display()), Qt::DisplayRole);
1167 lang_model->setData(item, toqstr(it->second.lang()), Qt::UserRole);
1169 d->language_model_ = new QSortFilterProxyModel(this);
1170 d->language_model_->setSourceModel(lang_model);
1171 #if QT_VERSION >= 0x040300
1172 d->language_model_->setSortLocaleAware(true);
1174 return d->language_model_;
1178 void GuiApplication::restoreGuiSession()
1180 if (!lyxrc.load_session)
1183 Session & session = theSession();
1184 vector<FileName> const & lastopened = session.lastOpened().getfiles();
1185 // do not add to the lastfile list since these files are restored from
1186 // last session, and should be already there (regular files), or should
1187 // not be added at all (help files).
1188 for_each(lastopened.begin(), lastopened.end(),
1189 bind(&GuiView::loadDocument, current_view_, _1, false));
1191 // clear this list to save a few bytes of RAM
1192 session.lastOpened().clear();
1196 QString const GuiApplication::romanFontName()
1199 font.setKerning(false);
1200 font.setStyleHint(QFont::Serif);
1201 font.setFamily("serif");
1203 return QFontInfo(font).family();
1207 QString const GuiApplication::sansFontName()
1210 font.setKerning(false);
1211 font.setStyleHint(QFont::SansSerif);
1212 font.setFamily("sans");
1214 return QFontInfo(font).family();
1218 QString const GuiApplication::typewriterFontName()
1221 font.setKerning(false);
1222 font.setStyleHint(QFont::TypeWriter);
1223 font.setFamily("monospace");
1225 return QFontInfo(font).family();
1229 void GuiApplication::handleRegularEvents()
1231 ForkedCallsController::handleCompletedProcesses();
1235 bool GuiApplication::event(QEvent * e)
1238 case QEvent::FileOpen: {
1239 // Open a file; this happens only on Mac OS X for now.
1241 // We do this asynchronously because on startup the batch
1242 // commands are not executed here yet and the gui is not ready
1244 QFileOpenEvent * foe = static_cast<QFileOpenEvent *>(e);
1245 dispatchDelayed(FuncRequest(LFUN_FILE_OPEN, qstring_to_ucs4(foe->file())));
1250 return QApplication::event(e);
1255 bool GuiApplication::notify(QObject * receiver, QEvent * event)
1258 return QApplication::notify(receiver, event);
1260 catch (ExceptionMessage const & e) {
1262 case ErrorException:
1264 setQuitOnLastWindowClosed(false);
1266 Alert::error(e.title_, e.details_);
1268 // Properly crash in debug mode in order to get a useful backtrace.
1271 // In release mode, try to exit gracefully.
1274 case BufferException: {
1275 Buffer * buf = current_view_->buffer();
1276 docstring details = e.details_ + '\n';
1277 details += theBufferList().emergencyWrite(buf);
1278 theBufferList().release(buf);
1279 details += "\n" + _("The current document was closed.");
1280 Alert::error(e.title_, details);
1283 case WarningException:
1284 Alert::warning(e.title_, e.details_);
1288 catch (exception const & e) {
1289 docstring s = _("LyX has caught an exception, it will now "
1290 "attempt to save all unsaved documents and exit."
1292 s += from_ascii(e.what());
1293 Alert::error(_("Software exception Detected"), s);
1297 docstring s = _("LyX has caught some really weird exception, it will "
1298 "now attempt to save all unsaved documents and exit.");
1299 Alert::error(_("Software exception Detected"), s);
1307 bool GuiApplication::getRgbColor(ColorCode col, RGBColor & rgbcol)
1309 QColor const & qcol = d->color_cache_.get(col);
1310 if (!qcol.isValid()) {
1316 rgbcol.r = qcol.red();
1317 rgbcol.g = qcol.green();
1318 rgbcol.b = qcol.blue();
1323 string const GuiApplication::hexName(ColorCode col)
1325 return ltrim(fromqstr(d->color_cache_.get(col).name()), "#");
1329 void GuiApplication::registerSocketCallback(int fd, SocketCallback func)
1331 SocketNotifier * sn = new SocketNotifier(this, fd, func);
1332 d->socket_notifiers_[fd] = sn;
1333 connect(sn, SIGNAL(activated(int)), this, SLOT(socketDataReceived(int)));
1337 void GuiApplication::socketDataReceived(int fd)
1339 d->socket_notifiers_[fd]->func_();
1343 void GuiApplication::unregisterSocketCallback(int fd)
1345 d->socket_notifiers_.take(fd)->setEnabled(false);
1349 void GuiApplication::commitData(QSessionManager & sm)
1351 /// The implementation is required to avoid an application exit
1352 /// when session state save is triggered by session manager.
1353 /// The default implementation sends a close event to all
1354 /// visible top level widgets when session managment allows
1356 /// We are changing that to close all wiew one by one.
1357 /// FIXME: verify if the default implementation is enough now.
1358 if (sm.allowsInteraction() && !closeAllViews())
1363 void GuiApplication::unregisterView(GuiView * gv)
1365 LASSERT(d->views_[gv->id()] == gv, /**/);
1366 d->views_.remove(gv->id());
1367 if (current_view_ == gv) {
1369 theLyXFunc().setLyXView(0);
1374 bool GuiApplication::closeAllViews()
1376 if (d->views_.empty())
1379 QList<GuiView *> views = d->views_.values();
1380 foreach (GuiView * view, views) {
1390 GuiView & GuiApplication::view(int id) const
1392 LASSERT(d->views_.contains(id), /**/);
1393 return *d->views_.value(id);
1397 void GuiApplication::hideDialogs(string const & name, Inset * inset) const
1399 QList<GuiView *> views = d->views_.values();
1400 foreach (GuiView * view, views)
1401 view->hideDialog(name, inset);
1405 Buffer const * GuiApplication::updateInset(Inset const * inset) const
1407 Buffer const * buffer_ = 0;
1408 QHash<int, GuiView *>::iterator end = d->views_.end();
1409 for (QHash<int, GuiView *>::iterator it = d->views_.begin(); it != end; ++it) {
1410 if (Buffer const * ptr = (*it)->updateInset(inset))
1417 bool GuiApplication::searchMenu(FuncRequest const & func,
1418 docstring_list & names) const
1420 return d->menus_.searchMenu(func, names);
1424 bool GuiApplication::readUIFile(QString const & name, bool include)
1434 LexerKeyword uitags[] = {
1435 { "include", ui_include },
1436 { "menuset", ui_menuset },
1437 { "toolbars", ui_toolbars },
1438 { "toolbarset", ui_toolbarset }
1441 LYXERR(Debug::INIT, "About to read " << name << "...");
1445 ui_path = libFileSearch("ui", name, "inc");
1446 if (ui_path.empty())
1447 ui_path = libFileSearch("ui", changeExtension(name, "inc"));
1449 ui_path = libFileSearch("ui", name, "ui");
1452 if (ui_path.empty()) {
1453 LYXERR(Debug::INIT, "Could not find " << name);
1454 Alert::warning(_("Could not find UI definition file"),
1455 bformat(_("Error while reading the configuration file\n%1$s.\n"
1456 "Please check your installation."), qstring_to_ucs4(name)));
1461 // Ensure that a file is read only once (prevents include loops)
1462 static QStringList uifiles;
1463 QString const uifile = toqstr(ui_path.absFilename());
1464 if (uifiles.contains(uifile)) {
1466 // We are reading again the top uifile so reset the safeguard:
1469 d->toolbars_.reset();
1471 LYXERR(Debug::INIT, "UI file '" << name << "' has been read already. "
1472 << "Is this an include loop?");
1476 uifiles.push_back(uifile);
1478 LYXERR(Debug::INIT, "Found " << name << " in " << ui_path);
1481 lex.setFile(ui_path);
1483 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
1487 if (lyxerr.debugging(Debug::PARSER))
1488 lex.printTable(lyxerr);
1490 while (lex.isOK()) {
1491 switch (lex.lex()) {
1494 QString const file = toqstr(lex.getString());
1495 if (!readUIFile(file, true))
1500 d->menus_.read(lex);
1504 d->toolbars_.readToolbars(lex);
1508 d->toolbars_.readToolbarSettings(lex);
1512 if (!rtrim(lex.getString()).empty())
1513 lex.printError("LyX::ReadUIFile: "
1514 "Unknown menu tag: `$$Token'");
1523 settings.beginGroup("ui_files");
1524 bool touched = false;
1525 for (int i = 0; i != uifiles.size(); ++i) {
1526 QFileInfo fi(uifiles[i]);
1527 QDateTime const date_value = fi.lastModified();
1528 QString const name_key = QString::number(i);
1529 if (!settings.contains(name_key)
1530 || settings.value(name_key).toString() != uifiles[i]
1531 || settings.value(name_key + "/date").toDateTime() != date_value) {
1533 settings.setValue(name_key, uifiles[i]);
1534 settings.setValue(name_key + "/date", date_value);
1537 settings.endGroup();
1539 settings.remove("views");
1545 void GuiApplication::onLastWindowClosed()
1547 if (d->global_menubar_)
1548 d->global_menubar_->grabKeyboard();
1552 ////////////////////////////////////////////////////////////////////////
1554 // X11 specific stuff goes here...
1557 bool GuiApplication::x11EventFilter(XEvent * xev)
1562 switch (xev->type) {
1563 case SelectionRequest: {
1564 if (xev->xselectionrequest.selection != XA_PRIMARY)
1566 LYXERR(Debug::SELECTION, "X requested selection.");
1567 BufferView * bv = current_view_->view();
1569 docstring const sel = bv->requestSelection();
1571 d->selection_.put(sel);
1575 case SelectionClear: {
1576 if (xev->xselectionclear.selection != XA_PRIMARY)
1578 LYXERR(Debug::SELECTION, "Lost selection.");
1579 BufferView * bv = current_view_->view();
1581 bv->clearSelection();
1589 } // namespace frontend
1592 void hideDialogs(std::string const & name, Inset * inset)
1595 theApp()->hideDialogs(name, inset);
1599 ////////////////////////////////////////////////////////////////////
1603 ////////////////////////////////////////////////////////////////////
1605 frontend::FontLoader & theFontLoader()
1607 LASSERT(frontend::guiApp, /**/);
1608 return frontend::guiApp->fontLoader();
1612 frontend::FontMetrics const & theFontMetrics(Font const & f)
1614 return theFontMetrics(f.fontInfo());
1618 frontend::FontMetrics const & theFontMetrics(FontInfo const & f)
1620 LASSERT(frontend::guiApp, /**/);
1621 return frontend::guiApp->fontLoader().metrics(f);
1625 ////////////////////////////////////////////////////////////////////
1629 ////////////////////////////////////////////////////////////////////
1631 frontend::Clipboard & theClipboard()
1633 LASSERT(frontend::guiApp, /**/);
1634 return frontend::guiApp->clipboard();
1638 frontend::Selection & theSelection()
1640 LASSERT(frontend::guiApp, /**/);
1641 return frontend::guiApp->selection();
1647 #include "moc_GuiApplication.cpp"