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"
39 #include "FuncRequest.h"
40 #include "FuncStatus.h"
44 #include "LaTeXFeatures.h"
47 #include "LyXAction.h"
49 #include "Paragraph.h"
52 #include "SpellChecker.h"
53 #include "Thesaurus.h"
56 #include "support/convert.h"
57 #include "support/debug.h"
58 #include "support/ExceptionMessage.h"
59 #include "support/FileName.h"
60 #include "support/filetools.h"
61 #include "support/foreach.h"
62 #include "support/ForkedCalls.h"
63 #include "support/gettext.h"
64 #include "support/lassert.h"
65 #include "support/lstrings.h"
66 #include "support/lyxalgo.h" // sorted
67 #include "support/Messages.h"
68 #include "support/os.h"
69 #include "support/Package.h"
70 #include "support/Path.h"
71 #include "support/Systemcall.h"
74 #include "support/linkback/LinkBackProxy.h"
84 #include <QFileOpenEvent>
88 #include <QImageReader>
90 #include <QLibraryInfo>
92 #include <QMacPasteboardMime>
97 #include <QPixmapCache>
99 #include <QSessionManager>
101 #include <QSocketNotifier>
102 #include <QSortFilterProxyModel>
103 #include <QStandardItemModel>
104 #include <QTextCodec>
106 #include <QTranslator>
107 #if QT_VERSION >= 0x040400
108 #include <QThreadPool>
113 #include <X11/Xatom.h>
114 #include <X11/Xlib.h>
120 #include <QWindowsMime>
127 #include "support/bind.h"
128 #include <boost/crc.hpp>
135 using namespace lyx::support;
138 static void initializeResources()
140 static bool initialized = false;
142 Q_INIT_RESOURCE(Resources);
150 frontend::Application * createApplication(int & argc, char * argv[])
153 // prune -geometry argument(s) by shifting
154 // the following ones 2 places down.
155 for (int i = 0 ; i < argc ; ++i) {
156 if (strcmp(argv[i], "-geometry") == 0) {
157 int const remove = (i+1) < argc ? 2 : 1;
159 for (int j = i; j < argc; ++j)
160 argv[j] = argv[j + remove];
165 return new frontend::GuiApplication(argc, argv);
171 /// Return the list of loadable formats.
172 vector<string> loadableImageFormats()
176 QList<QByteArray> qt_formats = QImageReader::supportedImageFormats();
178 LYXERR(Debug::GRAPHICS,
179 "\nThe image loader can load the following directly:\n");
181 if (qt_formats.empty())
182 LYXERR(Debug::GRAPHICS, "\nQt4 Problem: No Format available!");
184 for (QList<QByteArray>::const_iterator it = qt_formats.begin(); it != qt_formats.end(); ++it) {
186 LYXERR(Debug::GRAPHICS, (const char *) *it << ", ");
188 string ext = ascii_lowercase((const char *) *it);
199 ////////////////////////////////////////////////////////////////////////
201 // Icon loading support code
203 ////////////////////////////////////////////////////////////////////////
213 bool operator<(PngMap const & lhs, PngMap const & rhs)
215 return lhs.key < rhs.key;
221 CompareKey(QString const & name) : name_(name) {}
222 bool operator()(PngMap const & other) const { return other.key == name_; }
228 // this must be sorted alphabetically
229 // Upper case comes before lower case
230 PngMap sorted_png_map[] = {
231 { "Bumpeq", "bumpeq2" },
234 { "Delta", "delta2" },
235 { "Diamond", "diamond2" },
236 { "Downarrow", "downarrow2" },
237 { "Gamma", "gamma2" },
238 { "Lambda", "lambda2" },
239 { "Leftarrow", "leftarrow2" },
240 { "Leftrightarrow", "leftrightarrow2" },
241 { "Longleftarrow", "longleftarrow2" },
242 { "Longleftrightarrow", "longleftrightarrow2" },
243 { "Longrightarrow", "longrightarrow2" },
244 { "Omega", "omega2" },
248 { "Rightarrow", "rightarrow2" },
249 { "Sigma", "sigma2" },
250 { "Subset", "subset2" },
251 { "Supset", "supset2" },
252 { "Theta", "theta2" },
253 { "Uparrow", "uparrow2" },
254 { "Updownarrow", "updownarrow2" },
255 { "Upsilon", "upsilon2" },
256 { "Vdash", "vdash3" },
259 { "nLeftarrow", "nleftarrow2" },
260 { "nLeftrightarrow", "nleftrightarrow2" },
261 { "nRightarrow", "nrightarrow2" },
262 { "nVDash", "nvdash3" },
263 { "nvDash", "nvdash2" },
264 { "textrm \\AA", "textrm_AA"},
265 { "textrm \\O", "textrm_O"},
266 { "vDash", "vdash2" }
269 size_t const nr_sorted_png_map = sizeof(sorted_png_map) / sizeof(PngMap);
272 QString findPng(QString const & name)
274 PngMap const * const begin = sorted_png_map;
275 PngMap const * const end = begin + nr_sorted_png_map;
276 LASSERT(sorted(begin, end), /**/);
278 PngMap const * const it = find_if(begin, end, CompareKey(name));
282 png_name = it->value;
285 png_name.replace('_', "underscore");
286 png_name.replace(' ', '_');
288 // This way we can have "math-delim { }" on the toolbar.
289 png_name.replace('(', "lparen");
290 png_name.replace(')', "rparen");
291 png_name.replace('[', "lbracket");
292 png_name.replace(']', "rbracket");
293 png_name.replace('{', "lbrace");
294 png_name.replace('}', "rbrace");
295 png_name.replace('|', "bars");
296 png_name.replace(',', "thinspace");
297 png_name.replace(':', "mediumspace");
298 png_name.replace(';', "thickspace");
299 png_name.replace('!', "negthinspace");
302 LYXERR(Debug::GUI, "findPng(" << name << ")\n"
303 << "Looking for math PNG called \"" << png_name << '"');
310 QString iconName(FuncRequest const & f, bool unknown)
312 initializeResources();
316 switch (f.action()) {
317 case LFUN_MATH_INSERT:
318 if (!f.argument().empty()) {
320 name1 = findPng(toqstr(f.argument()).mid(1));
323 case LFUN_MATH_DELIM:
324 case LFUN_MATH_BIGDELIM:
326 name1 = findPng(toqstr(f.argument()));
330 name1 = toqstr(f.argument());
332 case LFUN_COMMAND_ALTERNATIVES: {
333 // use the first of the alternative commands
335 docstring dummy = split(f.argument(), firstcom, ';');
336 name1 = toqstr(firstcom);
337 // FIXME: we should rename the icons to tabular-xxx instead of
338 // "tabular-feature-xxx"
339 name1.replace("inset-modify tabular", "tabular-feature");
340 name1.replace(' ', '_');
343 case LFUN_INSET_MODIFY: {
344 // FIXME: we should rename the icons to tabular-xxx instead of
345 // "tabular-feature-xxx" and generalize this naming to all
346 // insets, not to tabular using ones.
348 string const command = split(to_utf8(f.argument()), inset_name, ' ');
349 if (insetCode(inset_name) == TABULAR_CODE) {
350 name1 = "tabular-feature "+ toqstr(command);
351 name1.replace(' ', '_');
356 name2 = toqstr(lyxaction.getActionName(f.action()));
359 if (!f.argument().empty()) {
360 name1 = name2 + ' ' + toqstr(f.argument());
361 name1.replace(' ', '_');
362 name1.replace('\\', "backslash");
366 FileName fname = libFileSearch("images/" + path, name1, "png");
368 return toqstr(fname.absFileName());
370 fname = libFileSearch("images/" + path, name2, "png");
372 return toqstr(fname.absFileName());
374 path = ":/images/" + path;
377 LYXERR0("Directory " << path << " not found in resource!");
381 if (res.exists(name1))
385 if (res.exists(name2))
388 LYXERR(Debug::GUI, "Cannot find icon with filename "
389 << "\"" << name1 << "\""
391 << "\"" << name2 << "\""
393 << lyxaction.getActionName(f.action())
394 << '(' << to_utf8(f.argument()) << ")\"");
397 fname = libFileSearch(QString("images/"), "unknown", "png");
399 return toqstr(fname.absFileName());
400 return QString(":/images/unknown.png");
406 QPixmap getPixmap(QString const & path, QString const & name, QString const & ext)
409 FileName fname = libFileSearch(path, name, ext);
410 QString path1 = toqstr(fname.absFileName());
411 QString path2 = ":/" + path + name + "." + ext;
413 if (pixmap.load(path1)) {
416 else if (pixmap.load(path2)) {
420 LYXERR0("Cannot load pixmap \""
421 << path << name << '.' << ext
422 << "\", please verify resource system!");
427 QIcon getIcon(FuncRequest const & f, bool unknown)
429 QString icon = iconName(f, unknown);
433 //LYXERR(Debug::GUI, "Found icon: " << icon);
435 if (!pm.load(icon)) {
436 LYXERR0("Cannot load icon " << icon << " please verify resource system!");
444 ////////////////////////////////////////////////////////////////////////
446 // LyX server support code.
448 ////////////////////////////////////////////////////////////////////////
450 class SocketNotifier : public QSocketNotifier
453 /// connect a connection notification from the LyXServerSocket
454 SocketNotifier(QObject * parent, int fd, Application::SocketCallback func)
455 : QSocketNotifier(fd, QSocketNotifier::Read, parent), func_(func)
459 /// The callback function
460 Application::SocketCallback func_;
464 ////////////////////////////////////////////////////////////////////////
466 // Mac specific stuff goes here...
468 ////////////////////////////////////////////////////////////////////////
470 class MenuTranslator : public QTranslator
473 MenuTranslator(QObject * parent)
474 : QTranslator(parent)
477 QString translate(const char * /*context*/,
478 const char * sourceText,
479 const char * /*comment*/ = 0)
481 string const s = sourceText;
482 if (s == N_("About %1") || s == N_("Preferences")
483 || s == N_("Reconfigure") || s == N_("Quit %1"))
490 class GlobalMenuBar : public QMenuBar
494 GlobalMenuBar() : QMenuBar(0) {}
497 bool event(QEvent * e)
499 if (e->type() == QEvent::ShortcutOverride) {
500 // && activeWindow() == 0) {
501 QKeyEvent * ke = static_cast<QKeyEvent*>(e);
503 setKeySymbol(&sym, ke);
504 guiApp->processKeySym(sym, q_key_state(ke->modifiers()));
513 // QMacPasteboardMimeGraphics can only be compiled on Mac.
515 class QMacPasteboardMimeGraphics : public QMacPasteboardMime
518 QMacPasteboardMimeGraphics()
519 : QMacPasteboardMime(MIME_QT_CONVERTOR|MIME_ALL)
522 QString convertorName() { return "Graphics"; }
524 QString flavorFor(QString const & mime)
526 LYXERR(Debug::ACTION, "flavorFor " << mime);
527 if (mime == pdfMimeType())
528 return QLatin1String("com.adobe.pdf");
532 QString mimeFor(QString flav)
534 LYXERR(Debug::ACTION, "mimeFor " << flav);
535 if (flav == QLatin1String("com.adobe.pdf"))
536 return pdfMimeType();
540 bool canConvert(QString const & mime, QString flav)
542 return mimeFor(flav) == mime;
545 QVariant convertToMime(QString const & /*mime*/, QList<QByteArray> data,
549 qWarning("QMacPasteboardMimeGraphics: Cannot handle multiple member data");
553 QList<QByteArray> convertFromMime(QString const & /*mime*/,
554 QVariant data, QString /*flav*/)
556 QList<QByteArray> ret;
557 ret.append(data.toByteArray());
563 ///////////////////////////////////////////////////////////////
565 // You can find more platform specific stuff at the end of this file...
567 ///////////////////////////////////////////////////////////////
569 ////////////////////////////////////////////////////////////////////////
570 // Windows specific stuff goes here...
573 // QWindowsMimeMetafile can only be compiled on Windows.
575 static FORMATETC cfFromMime(QString const & mimetype)
578 if (mimetype == emfMimeType()) {
579 formatetc.cfFormat = CF_ENHMETAFILE;
580 formatetc.tymed = TYMED_ENHMF;
581 } else if (mimetype == wmfMimeType()) {
582 formatetc.cfFormat = CF_METAFILEPICT;
583 formatetc.tymed = TYMED_MFPICT;
586 formatetc.dwAspect = DVASPECT_CONTENT;
587 formatetc.lindex = -1;
592 class QWindowsMimeMetafile : public QWindowsMime {
594 QWindowsMimeMetafile() {}
596 bool canConvertFromMime(FORMATETC const & formatetc,
597 QMimeData const * mimedata) const
602 bool canConvertToMime(QString const & mimetype,
603 IDataObject * pDataObj) const
605 if (mimetype != emfMimeType() && mimetype != wmfMimeType())
607 FORMATETC formatetc = cfFromMime(mimetype);
608 return pDataObj->QueryGetData(&formatetc) == S_OK;
611 bool convertFromMime(FORMATETC const & formatetc,
612 const QMimeData * mimedata, STGMEDIUM * pmedium) const
617 QVariant convertToMime(QString const & mimetype, IDataObject * pDataObj,
618 QVariant::Type preferredType) const
621 if (!canConvertToMime(mimetype, pDataObj))
624 FORMATETC formatetc = cfFromMime(mimetype);
626 if (pDataObj->GetData(&formatetc, &s) != S_OK)
630 if (s.tymed == TYMED_ENHMF) {
631 dataSize = GetEnhMetaFileBits(s.hEnhMetaFile, 0, 0);
632 data.resize(dataSize);
633 dataSize = GetEnhMetaFileBits(s.hEnhMetaFile, dataSize,
634 (LPBYTE)data.data());
635 } else if (s.tymed == TYMED_MFPICT) {
636 dataSize = GetMetaFileBitsEx((HMETAFILE)s.hMetaFilePict, 0, 0);
637 data.resize(dataSize);
638 dataSize = GetMetaFileBitsEx((HMETAFILE)s.hMetaFilePict, dataSize,
639 (LPBYTE)data.data());
642 ReleaseStgMedium(&s);
648 QVector<FORMATETC> formatsForMime(QString const & mimetype,
649 QMimeData const * mimedata) const
651 QVector<FORMATETC> formats;
652 if (mimetype == emfMimeType() || mimetype == wmfMimeType())
653 formats += cfFromMime(mimetype);
657 QString mimeForFormat(FORMATETC const & formatetc) const
659 switch (formatetc.cfFormat) {
661 return emfMimeType();
662 case CF_METAFILEPICT:
663 return wmfMimeType();
671 ////////////////////////////////////////////////////////////////////////
672 // GuiApplication::Private definition and implementation.
673 ////////////////////////////////////////////////////////////////////////
675 struct GuiApplication::Private
677 Private(): language_model_(0), meta_fake_bit(NoModifier),
681 /// WMF Mime handler for Windows clipboard.
682 wmf_mime_ = new QWindowsMimeMetafile();
684 initKeySequences(&theTopLevelKeymap());
687 void initKeySequences(KeyMap * kb)
689 keyseq = KeySequence(kb, kb);
690 cancel_meta_seq = KeySequence(kb, kb);
694 QSortFilterProxyModel * language_model_;
696 GuiClipboard clipboard_;
698 GuiSelection selection_;
700 FontLoader font_loader_;
702 ColorCache color_cache_;
704 QTranslator qt_trans_;
706 QHash<int, SocketNotifier *> socket_notifiers_;
710 /// The global instance
713 /// this timer is used for any regular events one wants to
714 /// perform. at present it is used to check if forked processes
716 QTimer general_timer_;
718 /// delayed FuncRequests
719 std::queue<FuncRequest> func_request_queue_;
724 KeySequence cancel_meta_seq;
726 KeyModifier meta_fake_bit;
728 /// Multiple views container.
730 * Warning: This must not be a smart pointer as the destruction of the
731 * object is handled by Qt when the view is closed
732 * \sa Qt::WA_DeleteOnClose attribute.
734 QHash<int, GuiView *> views_;
736 /// Only used on mac.
737 GlobalMenuBar * global_menubar_;
740 /// Linkback mime handler for MacOSX.
741 QMacPasteboardMimeGraphics mac_pasteboard_mime_;
745 /// WMF Mime handler for Windows clipboard.
746 QWindowsMimeMetafile * wmf_mime_;
751 GuiApplication * guiApp;
753 GuiApplication::~GuiApplication()
756 closeAllLinkBackLinks();
762 GuiApplication::GuiApplication(int & argc, char ** argv)
763 : QApplication(argc, argv), current_view_(0),
764 d(new GuiApplication::Private)
766 QString app_name = "LyX";
767 QCoreApplication::setOrganizationName(app_name);
768 QCoreApplication::setOrganizationDomain("lyx.org");
769 QCoreApplication::setApplicationName(lyx_package);
771 // Install translator for GUI elements.
772 installTranslator(&d->qt_trans_);
774 // FIXME: quitOnLastWindowClosed is true by default. We should have a
775 // lyxrc setting for this in order to let the application stay resident.
776 // But then we need some kind of dock icon, at least on Windows.
778 if (lyxrc.quit_on_last_window_closed)
779 setQuitOnLastWindowClosed(false);
782 // FIXME: Do we need a lyxrc setting for this on Mac? This behaviour
783 // seems to be the default case for applications like LyX.
784 setQuitOnLastWindowClosed(false);
785 // setAttribute(Qt::AA_MacDontSwapCtrlAndMeta);
787 // This allows to translate the strings that appear in the LyX menu.
788 /// A translator suitable for the entries in the LyX menu.
789 /// Only needed with Qt/Mac.
790 installTranslator(new MenuTranslator(this));
794 // doubleClickInterval() is 400 ms on X11 which is just too long.
795 // On Windows and Mac OS X, the operating system's value is used.
796 // On Microsoft Windows, calling this function sets the double
797 // click interval for all applications. So we don't!
798 QApplication::setDoubleClickInterval(300);
801 connect(this, SIGNAL(lastWindowClosed()), this, SLOT(onLastWindowClosed()));
803 // needs to be done before reading lyxrc
805 lyxrc.dpi = (w.logicalDpiX() + w.logicalDpiY()) / 2;
809 // Set the cache to 5120 kilobytes which corresponds to screen size of
810 // 1280 by 1024 pixels with a color depth of 32 bits.
811 QPixmapCache::setCacheLimit(5120);
813 // Initialize RC Fonts
814 if (lyxrc.roman_font_name.empty())
815 lyxrc.roman_font_name = fromqstr(romanFontName());
817 if (lyxrc.sans_font_name.empty())
818 lyxrc.sans_font_name = fromqstr(sansFontName());
820 if (lyxrc.typewriter_font_name.empty())
821 lyxrc.typewriter_font_name = fromqstr(typewriterFontName());
823 d->general_timer_.setInterval(500);
824 connect(&d->general_timer_, SIGNAL(timeout()),
825 this, SLOT(handleRegularEvents()));
826 d->general_timer_.start();
828 #if QT_VERSION >= 0x040400
829 // maxThreadCount() defaults in general to 2 on single or dual-processor.
830 // This is clearly not enough in a time where we use threads for
831 // document preview and/or export. 20 should be OK.
832 QThreadPool::globalInstance()->setMaxThreadCount(20);
837 GuiApplication * theGuiApp()
839 return dynamic_cast<GuiApplication *>(theApp());
843 void GuiApplication::clearSession()
850 docstring GuiApplication::iconName(FuncRequest const & f, bool unknown)
852 return qstring_to_ucs4(lyx::frontend::iconName(f, unknown));
856 FuncStatus GuiApplication::getStatus(FuncRequest const & cmd) const
861 BufferView * doc_bv = 0;
863 if (cmd.action() == LFUN_NOACTION) {
864 status.message(from_utf8(N_("Nothing to do")));
865 status.setEnabled(false);
868 else if (cmd.action() == LFUN_UNKNOWN_ACTION) {
869 status.setUnknown(true);
870 status.message(from_utf8(N_("Unknown action")));
871 status.setEnabled(false);
874 // Does the GuiApplication know something?
875 else if (getStatus(cmd, status)) { }
877 // If we do not have a GuiView, then other functions are disabled
878 else if (!current_view_)
879 status.setEnabled(false);
881 // Does the GuiView know something?
882 else if (current_view_->getStatus(cmd, status)) { }
884 // In LyX/Mac, when a dialog is open, the menus of the
885 // application can still be accessed without giving focus to
886 // the main window. In this case, we want to disable the menu
887 // entries that are buffer or view-related.
888 //FIXME: Abdel (09/02/10) This has very bad effect on Linux, don't know why...
890 else if (cmd.origin() == FuncRequest::MENU && !current_view_->hasFocus())
891 status.setEnabled(false);
894 // If we do not have a BufferView, then other functions are disabled
895 else if (!(bv = current_view_->currentBufferView()))
896 status.setEnabled(false);
898 // Does the current BufferView know something?
899 else if (bv->getStatus(cmd, status)) { }
901 // Does the current Buffer know something?
902 else if (bv->buffer().getStatus(cmd, status)) { }
904 // If we do not have a document BufferView, different from the
905 // current BufferView, then other functions are disabled
906 else if (!(doc_bv = current_view_->documentBufferView()) || doc_bv == bv)
907 status.setEnabled(false);
909 // Does the document Buffer know something?
910 else if (doc_bv->buffer().getStatus(cmd, status)) { }
913 LYXERR(Debug::ACTION, "LFUN not handled in getStatus(): " << cmd);
914 status.message(from_utf8(N_("Command not handled")));
915 status.setEnabled(false);
918 // the default error message if we disable the command
919 if (!status.enabled() && status.message().empty())
920 status.message(from_utf8(N_("Command disabled")));
926 bool GuiApplication::getStatus(FuncRequest const & cmd, FuncStatus & flag) const
928 // I would really like to avoid having this switch and rather try to
929 // encode this in the function itself.
930 // -- And I'd rather let an inset decide which LFUNs it is willing
931 // to handle (Andre')
933 switch (cmd.action()) {
935 // This could be used for the no-GUI version. The GUI version is handled in
936 // GuiView::getStatus(). See above.
938 case LFUN_BUFFER_WRITE:
939 case LFUN_BUFFER_WRITE_AS: {
940 Buffer * b = theBufferList().getBuffer(FileName(cmd.getArg(0)));
941 enable = b && (b->isUnnamed() || !b->isClean());
946 case LFUN_BOOKMARK_GOTO: {
947 const unsigned int num = convert<unsigned int>(to_utf8(cmd.argument()));
948 enable = theSession().bookmarks().isValid(num);
952 case LFUN_BOOKMARK_CLEAR:
953 enable = theSession().bookmarks().hasValid();
956 // this one is difficult to get right. As a half-baked
957 // solution, we consider only the first action of the sequence
958 case LFUN_COMMAND_SEQUENCE: {
959 // argument contains ';'-terminated commands
960 string const firstcmd = token(to_utf8(cmd.argument()), ';', 0);
961 FuncRequest func(lyxaction.lookupFunc(firstcmd));
962 func.setOrigin(cmd.origin());
963 flag = getStatus(func);
967 // we want to check if at least one of these is enabled
968 case LFUN_COMMAND_ALTERNATIVES: {
969 // argument contains ';'-terminated commands
970 string arg = to_utf8(cmd.argument());
971 while (!arg.empty()) {
973 arg = split(arg, first, ';');
974 FuncRequest func(lyxaction.lookupFunc(first));
975 func.setOrigin(cmd.origin());
976 flag = getStatus(func);
977 // if this one is enabled, the whole thing is
986 string name = to_utf8(cmd.argument());
987 if (theTopLevelCmdDef().lock(name, func)) {
988 func.setOrigin(cmd.origin());
989 flag = getStatus(func);
990 theTopLevelCmdDef().release(name);
992 // catch recursion or unknown command
993 // definition. all operations until the
994 // recursion or unknown command definition
995 // occurs are performed, so set the state to
1002 case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
1004 case LFUN_PREFERENCES_SAVE:
1005 case LFUN_BUFFER_SAVE_AS_DEFAULT:
1006 case LFUN_DEBUG_LEVEL_SET:
1007 // these are handled in our dispatch()
1010 case LFUN_WINDOW_CLOSE:
1011 enable = d->views_.size() > 0;
1014 case LFUN_BUFFER_NEW:
1015 case LFUN_BUFFER_NEW_TEMPLATE:
1016 case LFUN_FILE_OPEN:
1017 case LFUN_HELP_OPEN:
1018 case LFUN_SCREEN_FONT_UPDATE:
1019 case LFUN_SET_COLOR:
1020 case LFUN_WINDOW_NEW:
1022 case LFUN_LYXRC_APPLY:
1023 case LFUN_COMMAND_PREFIX:
1025 case LFUN_META_PREFIX:
1026 case LFUN_RECONFIGURE:
1027 case LFUN_SERVER_GET_FILENAME:
1028 case LFUN_SERVER_NOTIFY:
1037 flag.setEnabled(false);
1041 /// make a post-dispatch status message
1042 static docstring makeDispatchMessage(docstring const & msg,
1043 FuncRequest const & cmd)
1045 const bool verbose = (cmd.origin() == FuncRequest::MENU
1046 || cmd.origin() == FuncRequest::TOOLBAR
1047 || cmd.origin() == FuncRequest::COMMANDBUFFER);
1049 if (cmd.action() == LFUN_SELF_INSERT || !verbose) {
1050 LYXERR(Debug::ACTION, "dispatch msg is " << msg);
1054 docstring dispatch_msg = msg;
1055 if (!dispatch_msg.empty())
1056 dispatch_msg += ' ';
1058 docstring comname = from_utf8(lyxaction.getActionName(cmd.action()));
1060 bool argsadded = false;
1062 if (!cmd.argument().empty()) {
1063 if (cmd.action() != LFUN_UNKNOWN_ACTION) {
1064 comname += ' ' + cmd.argument();
1068 docstring const shortcuts = theTopLevelKeymap().
1069 printBindings(cmd, KeySequence::ForGui);
1071 if (!shortcuts.empty())
1072 comname += ": " + shortcuts;
1073 else if (!argsadded && !cmd.argument().empty())
1074 comname += ' ' + cmd.argument();
1076 if (!comname.empty()) {
1077 comname = rtrim(comname);
1078 dispatch_msg += '(' + rtrim(comname) + ')';
1080 LYXERR(Debug::ACTION, "verbose dispatch msg " << to_utf8(dispatch_msg));
1081 return dispatch_msg;
1085 void GuiApplication::dispatch(FuncRequest const & cmd)
1087 if (current_view_ && current_view_->currentBufferView())
1088 current_view_->currentBufferView()->cursor().saveBeforeDispatchPosXY();
1091 // redraw the screen at the end (first of the two drawing steps).
1092 //This is done unless explicitly requested otherwise
1093 dr.update(Update::FitCursor);
1099 BufferView * bv = current_view_->currentBufferView();
1101 if (dr.needBufferUpdate()) {
1102 bv->cursor().clearBufferUpdate();
1103 bv->buffer().updateBuffer();
1105 // BufferView::update() updates the ViewMetricsInfo and
1106 // also initializes the position cache for all insets in
1107 // (at least partially) visible top-level paragraphs.
1108 // We will redraw the screen only if needed.
1109 bv->processUpdateFlags(dr.update());
1111 // Do we have a selection?
1112 theSelection().haveSelection(bv->cursor().selection());
1115 current_view_->restartCursor();
1117 // Some messages may already be translated, so we cannot use _()
1118 current_view_->message(makeDispatchMessage(
1119 translateIfPossible(dr.message()), cmd));
1123 void GuiApplication::gotoBookmark(unsigned int idx, bool openFile, bool switchToBuffer)
1125 LASSERT(current_view_, /**/);
1126 if (!theSession().bookmarks().isValid(idx))
1128 BookmarksSection::Bookmark const & bm = theSession().bookmarks().bookmark(idx);
1129 LASSERT(!bm.filename.empty(), /**/);
1130 string const file = bm.filename.absFileName();
1131 // if the file is not opened, open it.
1132 if (!theBufferList().exists(bm.filename)) {
1134 dispatch(FuncRequest(LFUN_FILE_OPEN, file));
1138 // open may fail, so we need to test it again
1139 if (!theBufferList().exists(bm.filename))
1142 // bm can be changed when saving
1143 BookmarksSection::Bookmark tmp = bm;
1145 // Special case idx == 0 used for back-from-back jump navigation
1147 dispatch(FuncRequest(LFUN_BOOKMARK_SAVE, "0"));
1149 // if the current buffer is not that one, switch to it.
1150 if (!current_view_->documentBufferView()
1151 || current_view_->documentBufferView()->buffer().fileName() != tmp.filename) {
1152 if (!switchToBuffer)
1154 dispatch(FuncRequest(LFUN_BUFFER_SWITCH, file));
1157 // moveToPosition try paragraph id first and then paragraph (pit, pos).
1158 if (!current_view_->documentBufferView()->moveToPosition(
1159 tmp.bottom_pit, tmp.bottom_pos, tmp.top_id, tmp.top_pos))
1166 // Cursor jump succeeded!
1167 Cursor const & cur = current_view_->documentBufferView()->cursor();
1168 pit_type new_pit = cur.pit();
1169 pos_type new_pos = cur.pos();
1170 int new_id = cur.paragraph().id();
1172 // if bottom_pit, bottom_pos or top_id has been changed, update bookmark
1173 // see http://www.lyx.org/trac/ticket/3092
1174 if (bm.bottom_pit != new_pit || bm.bottom_pos != new_pos
1175 || bm.top_id != new_id) {
1176 const_cast<BookmarksSection::Bookmark &>(bm).updatePos(
1177 new_pit, new_pos, new_id);
1181 // This function runs "configure" and then rereads lyx.defaults to
1182 // reconfigure the automatic settings.
1183 void GuiApplication::reconfigure(string const & option)
1185 // emit message signal.
1187 current_view_->message(_("Running configure..."));
1189 // Run configure in user lyx directory
1190 PathChanger p(package().user_support());
1191 string configure_command = package().configure_command();
1192 configure_command += option;
1194 int ret = one.startscript(Systemcall::Wait, configure_command);
1196 // emit message signal.
1198 current_view_->message(_("Reloading configuration..."));
1199 lyxrc.read(libFileSearch(QString(), "lyxrc.defaults"));
1200 // Re-read packages.lst
1201 LaTeXFeatures::getAvailable();
1204 Alert::information(_("System reconfiguration failed"),
1205 _("The system reconfiguration has failed.\n"
1206 "Default textclass is used but LyX may "
1207 "not be able to work properly.\n"
1208 "Please reconfigure again if needed."));
1210 Alert::information(_("System reconfigured"),
1211 _("The system has been reconfigured.\n"
1212 "You need to restart LyX to make use of any\n"
1213 "updated document class specifications."));
1217 void GuiApplication::dispatch(FuncRequest const & cmd, DispatchResult & dr)
1219 string const argument = to_utf8(cmd.argument());
1220 FuncCode const action = cmd.action();
1222 LYXERR(Debug::ACTION, "cmd: " << cmd);
1224 // we have not done anything wrong yet.
1227 FuncStatus const flag = getStatus(cmd);
1228 if (!flag.enabled()) {
1229 // We cannot use this function here
1230 LYXERR(Debug::ACTION, "action "
1231 << lyxaction.getActionName(action)
1232 << " [" << action << "] is disabled at this location");
1234 current_view_->restartCursor();
1235 dr.setMessage(flag.message());
1237 dr.dispatched(false);
1238 dr.update(Update::None);
1239 dr.clearBufferUpdate();
1243 // Assumes that the action will be dispatched.
1244 dr.dispatched(true);
1246 switch (cmd.action()) {
1248 case LFUN_WINDOW_NEW:
1249 createView(toqstr(cmd.argument()));
1252 case LFUN_WINDOW_CLOSE:
1253 // update bookmark pit of the current buffer before window close
1254 for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
1255 gotoBookmark(i+1, false, false);
1256 // clear the last opened list, because
1257 // maybe this will end the session
1258 theSession().lastOpened().clear();
1259 current_view_->closeScheduled();
1263 // quitting is triggered by the gui code
1264 // (leaving the event loop).
1266 current_view_->message(from_utf8(N_("Exiting.")));
1267 if (closeAllViews())
1271 case LFUN_SCREEN_FONT_UPDATE: {
1272 // handle the screen font changes.
1273 d->font_loader_.update();
1274 // Backup current_view_
1275 GuiView * view = current_view_;
1276 // Set current_view_ to zero to forbid GuiWorkArea::redraw()
1277 // to skip the refresh.
1279 theBufferList().changed(false);
1280 // Restore current_view_
1281 current_view_ = view;
1285 case LFUN_BUFFER_NEW:
1286 if (d->views_.empty()
1287 || (!lyxrc.open_buffers_in_tabs && current_view_->documentBufferView() != 0)) {
1288 createView(QString(), false); // keep hidden
1289 current_view_->newDocument(to_utf8(cmd.argument()), false);
1290 current_view_->show();
1291 setActiveWindow(current_view_);
1293 current_view_->newDocument(to_utf8(cmd.argument()), false);
1297 case LFUN_BUFFER_NEW_TEMPLATE:
1298 if (d->views_.empty()
1299 || (!lyxrc.open_buffers_in_tabs && current_view_->documentBufferView() != 0)) {
1301 current_view_->newDocument(to_utf8(cmd.argument()), true);
1302 if (!current_view_->documentBufferView())
1303 current_view_->close();
1305 current_view_->newDocument(to_utf8(cmd.argument()), true);
1309 case LFUN_FILE_OPEN:
1310 // FIXME: create a new method shared with LFUN_HELP_OPEN.
1311 if (d->views_.empty()
1312 || (!lyxrc.open_buffers_in_tabs && current_view_->documentBufferView() != 0)) {
1313 string const fname = to_utf8(cmd.argument());
1314 // We want the ui session to be saved per document and not per
1315 // window number. The filename crc is a good enough identifier.
1316 boost::crc_32_type crc;
1317 crc = for_each(fname.begin(), fname.end(), crc);
1318 createView(crc.checksum());
1319 current_view_->openDocument(fname);
1320 if (current_view_ && !current_view_->documentBufferView())
1321 current_view_->close();
1323 current_view_->openDocument(to_utf8(cmd.argument()));
1326 case LFUN_HELP_OPEN: {
1327 // FIXME: create a new method shared with LFUN_FILE_OPEN.
1328 if (current_view_ == 0)
1330 string const arg = to_utf8(cmd.argument());
1332 current_view_->message(_("Missing argument"));
1335 FileName fname = i18nLibFileSearch("doc", arg, "lyx");
1337 fname = i18nLibFileSearch("examples", arg, "lyx");
1339 if (fname.empty()) {
1340 lyxerr << "LyX: unable to find documentation file `"
1341 << arg << "'. Bad installation?" << endl;
1344 current_view_->message(bformat(_("Opening help file %1$s..."),
1345 makeDisplayPath(fname.absFileName())));
1346 Buffer * buf = current_view_->loadDocument(fname, false);
1348 current_view_->setBuffer(buf);
1349 #ifndef DEVEL_VERSION
1350 buf->setReadonly(true);
1352 buf->errors("Parse");
1357 case LFUN_SET_COLOR: {
1359 string const x11_name = split(to_utf8(cmd.argument()), lyx_name, ' ');
1360 if (lyx_name.empty() || x11_name.empty()) {
1361 current_view_->message(
1362 _("Syntax: set-color <lyx_name> <x11_name>"));
1366 string const graphicsbg = lcolor.getLyXName(Color_graphicsbg);
1367 bool const graphicsbg_changed =
1368 lyx_name == graphicsbg && x11_name != graphicsbg;
1369 if (graphicsbg_changed) {
1370 // FIXME: The graphics cache no longer has a changeDisplay method.
1372 graphics::GCache::get().changeDisplay(true);
1376 if (!lcolor.setColor(lyx_name, x11_name)) {
1377 current_view_->message(
1378 bformat(_("Set-color \"%1$s\" failed "
1379 "- color is undefined or "
1380 "may not be redefined"),
1381 from_utf8(lyx_name)));
1384 // Make sure we don't keep old colors in cache.
1385 d->color_cache_.clear();
1389 case LFUN_LYXRC_APPLY: {
1390 // reset active key sequences, since the bindings
1391 // are updated (bug 6064)
1393 LyXRC const lyxrc_orig = lyxrc;
1395 istringstream ss(to_utf8(cmd.argument()));
1396 bool const success = lyxrc.read(ss) == 0;
1399 lyxerr << "Warning in LFUN_LYXRC_APPLY!\n"
1400 << "Unable to read lyxrc data"
1405 actOnUpdatedPrefs(lyxrc_orig, lyxrc);
1412 case LFUN_COMMAND_PREFIX:
1413 dispatch(FuncRequest(LFUN_MESSAGE, d->keyseq.printOptions(true)));
1418 d->meta_fake_bit = NoModifier;
1419 GuiView * gv = currentView();
1420 if (gv && gv->currentBufferView())
1421 // cancel any selection
1422 lyx::dispatch(FuncRequest(LFUN_MARK_OFF));
1423 dr.setMessage(from_ascii(N_("Cancel")));
1426 case LFUN_META_PREFIX:
1427 d->meta_fake_bit = AltModifier;
1428 dr.setMessage(d->keyseq.print(KeySequence::ForGui));
1431 // --- Menus -----------------------------------------------
1432 case LFUN_RECONFIGURE:
1433 // argument is any additional parameter to the configure.py command
1434 reconfigure(to_utf8(cmd.argument()));
1437 // --- lyxserver commands ----------------------------
1438 case LFUN_SERVER_GET_FILENAME: {
1439 LASSERT(current_view_ && current_view_->documentBufferView(), return);
1440 docstring const fname = from_utf8(
1441 current_view_->documentBufferView()->buffer().absFileName());
1442 dr.setMessage(fname);
1443 LYXERR(Debug::INFO, "FNAME[" << fname << ']');
1446 case LFUN_SERVER_NOTIFY: {
1447 docstring const dispatch_buffer = d->keyseq.print(KeySequence::Portable);
1448 dr.setMessage(dispatch_buffer);
1449 theServer().notifyClient(to_utf8(dispatch_buffer));
1453 case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
1454 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1460 string rest = split(argument, countstr, ' ');
1461 istringstream is(countstr);
1464 //lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1465 for (int i = 0; i < count; ++i)
1466 dispatch(lyxaction.lookupFunc(rest));
1470 case LFUN_COMMAND_SEQUENCE: {
1471 // argument contains ';'-terminated commands
1472 string arg = argument;
1473 // FIXME: this LFUN should also work without any view.
1474 Buffer * buffer = (current_view_ && current_view_->documentBufferView())
1475 ? &(current_view_->documentBufferView()->buffer()) : 0;
1477 buffer->undo().beginUndoGroup();
1478 while (!arg.empty()) {
1480 arg = split(arg, first, ';');
1481 FuncRequest func(lyxaction.lookupFunc(first));
1482 func.setOrigin(cmd.origin());
1485 // the buffer may have been closed by one action
1486 if (theBufferList().isLoaded(buffer))
1487 buffer->undo().endUndoGroup();
1491 case LFUN_COMMAND_ALTERNATIVES: {
1492 // argument contains ';'-terminated commands
1493 string arg = argument;
1494 while (!arg.empty()) {
1496 arg = split(arg, first, ';');
1497 FuncRequest func(lyxaction.lookupFunc(first));
1498 func.setOrigin(cmd.origin());
1499 FuncStatus const stat = getStatus(func);
1500 if (stat.enabled()) {
1510 if (theTopLevelCmdDef().lock(argument, func)) {
1511 func.setOrigin(cmd.origin());
1513 theTopLevelCmdDef().release(argument);
1515 if (func.action() == LFUN_UNKNOWN_ACTION) {
1516 // unknown command definition
1517 lyxerr << "Warning: unknown command definition `"
1521 // recursion detected
1522 lyxerr << "Warning: Recursion in the command definition `"
1523 << argument << "' detected"
1530 case LFUN_PREFERENCES_SAVE:
1531 lyxrc.write(support::makeAbsPath("preferences",
1532 package().user_support().absFileName()), false);
1535 case LFUN_BUFFER_SAVE_AS_DEFAULT: {
1536 string const fname = addName(addPath(package().user_support().absFileName(),
1537 "templates/"), "defaults.lyx");
1538 Buffer defaults(fname);
1540 istringstream ss(argument);
1543 int const unknown_tokens = defaults.readHeader(lex);
1545 if (unknown_tokens != 0) {
1546 lyxerr << "Warning in LFUN_BUFFER_SAVE_AS_DEFAULT!\n"
1547 << unknown_tokens << " unknown token"
1548 << (unknown_tokens == 1 ? "" : "s")
1552 if (defaults.writeFile(FileName(defaults.absFileName())))
1553 dr.setMessage(bformat(_("Document defaults saved in %1$s"),
1554 makeDisplayPath(fname)));
1557 dr.setMessage(from_ascii(N_("Unable to save document defaults")));
1562 case LFUN_BOOKMARK_GOTO:
1563 // go to bookmark, open unopened file and switch to buffer if necessary
1564 gotoBookmark(convert<unsigned int>(to_utf8(cmd.argument())), true, true);
1565 dr.update(Update::Force | Update::FitCursor);
1568 case LFUN_BOOKMARK_CLEAR:
1569 theSession().bookmarks().clear();
1572 case LFUN_DEBUG_LEVEL_SET:
1573 lyxerr.setLevel(Debug::value(to_utf8(cmd.argument())));
1577 // Everything below is only for active window
1578 if (current_view_ == 0)
1581 // Let the current GuiView dispatch its own actions.
1582 current_view_->dispatch(cmd, dr);
1584 if (dr.dispatched())
1587 BufferView * bv = current_view_->currentBufferView();
1590 // Let the current BufferView dispatch its own actions.
1591 bv->dispatch(cmd, dr);
1592 if (dr.dispatched())
1595 BufferView * doc_bv = current_view_->documentBufferView();
1596 // Try with the document BufferView dispatch if any.
1598 doc_bv->dispatch(cmd, dr);
1599 if (dr.dispatched())
1603 // OK, so try the current Buffer itself...
1604 bv->buffer().dispatch(cmd, dr);
1605 if (dr.dispatched())
1608 // and with the document Buffer.
1610 doc_bv->buffer().dispatch(cmd, dr);
1611 if (dr.dispatched())
1615 // Let the current Cursor dispatch its own actions.
1616 Cursor old = bv->cursor();
1617 bv->cursor().dispatch(cmd);
1619 // notify insets we just left
1620 if (bv->cursor() != old) {
1622 bool badcursor = notifyCursorLeavesOrEnters(old, bv->cursor());
1624 bv->cursor().fixIfBroken();
1627 // update completion. We do it here and not in
1628 // processKeySym to avoid another redraw just for a
1629 // changed inline completion
1630 if (cmd.origin() == FuncRequest::KEYBOARD) {
1631 if (cmd.action() == LFUN_SELF_INSERT
1632 || (cmd.action() == LFUN_ERT_INSERT && bv->cursor().inMathed()))
1633 current_view_->updateCompletion(bv->cursor(), true, true);
1634 else if (cmd.action() == LFUN_CHAR_DELETE_BACKWARD)
1635 current_view_->updateCompletion(bv->cursor(), false, true);
1637 current_view_->updateCompletion(bv->cursor(), false, false);
1640 dr = bv->cursor().result();
1643 // if we executed a mutating lfun, mark the buffer as dirty
1644 Buffer * doc_buffer = (current_view_ && current_view_->documentBufferView())
1645 ? &(current_view_->documentBufferView()->buffer()) : 0;
1646 if (doc_buffer && theBufferList().isLoaded(doc_buffer)
1648 && !lyxaction.funcHasFlag(action, LyXAction::NoBuffer)
1649 && !lyxaction.funcHasFlag(action, LyXAction::ReadOnly))
1650 current_view_->currentBufferView()->buffer().markDirty();
1654 docstring GuiApplication::viewStatusMessage()
1656 // When meta-fake key is pressed, show the key sequence so far + "M-".
1657 if (d->meta_fake_bit != NoModifier)
1658 return d->keyseq.print(KeySequence::ForGui) + "M-";
1660 // Else, when a non-complete key sequence is pressed,
1661 // show the available options.
1662 if (d->keyseq.length() > 0 && !d->keyseq.deleted())
1663 return d->keyseq.printOptions(true);
1669 void GuiApplication::handleKeyFunc(FuncCode action)
1673 if (d->keyseq.length())
1675 GuiView * gv = currentView();
1676 LASSERT(gv && gv->currentBufferView(), return);
1677 BufferView * bv = gv->currentBufferView();
1678 bv->getIntl().getTransManager().deadkey(
1679 c, get_accent(action).accent, bv->cursor().innerText(),
1681 // Need to clear, in case the minibuffer calls these
1684 // copied verbatim from do_accent_char
1685 bv->cursor().resetAnchor();
1686 bv->processUpdateFlags(Update::FitCursor);
1690 void GuiApplication::processKeySym(KeySymbol const & keysym, KeyModifier state)
1692 LYXERR(Debug::KEY, "KeySym is " << keysym.getSymbolName());
1694 // Do nothing if we have nothing (JMarc)
1695 if (!keysym.isOK()) {
1696 LYXERR(Debug::KEY, "Empty kbd action (probably composing)");
1697 current_view_->restartCursor();
1701 if (keysym.isModifier()) {
1702 LYXERR(Debug::KEY, "isModifier true");
1704 current_view_->restartCursor();
1708 char_type encoded_last_key = keysym.getUCSEncoded();
1710 // Do a one-deep top-level lookup for
1711 // cancel and meta-fake keys. RVDK_PATCH_5
1712 d->cancel_meta_seq.reset();
1714 FuncRequest func = d->cancel_meta_seq.addkey(keysym, state);
1715 LYXERR(Debug::KEY, "action first set to [" << func.action() << ']');
1717 // When not cancel or meta-fake, do the normal lookup.
1718 // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
1719 // Mostly, meta_fake_bit = NoModifier. RVDK_PATCH_5.
1720 if ((func.action() != LFUN_CANCEL) && (func.action() != LFUN_META_PREFIX)) {
1721 // remove Caps Lock and Mod2 as a modifiers
1722 func = d->keyseq.addkey(keysym, (state | d->meta_fake_bit));
1723 LYXERR(Debug::KEY, "action now set to [" << func.action() << ']');
1726 // Dont remove this unless you know what you are doing.
1727 d->meta_fake_bit = NoModifier;
1729 // Can this happen now ?
1730 if (func.action() == LFUN_NOACTION)
1731 func = FuncRequest(LFUN_COMMAND_PREFIX);
1733 LYXERR(Debug::KEY, " Key [action=" << func.action() << "]["
1734 << d->keyseq.print(KeySequence::Portable) << ']');
1736 // already here we know if it any point in going further
1737 // why not return already here if action == -1 and
1738 // num_bytes == 0? (Lgb)
1740 if (d->keyseq.length() > 1)
1741 current_view_->message(d->keyseq.print(KeySequence::ForGui));
1744 // Maybe user can only reach the key via holding down shift.
1745 // Let's see. But only if shift is the only modifier
1746 if (func.action() == LFUN_UNKNOWN_ACTION && state == ShiftModifier) {
1747 LYXERR(Debug::KEY, "Trying without shift");
1748 func = d->keyseq.addkey(keysym, NoModifier);
1749 LYXERR(Debug::KEY, "Action now " << func.action());
1752 if (func.action() == LFUN_UNKNOWN_ACTION) {
1753 // Hmm, we didn't match any of the keysequences. See
1754 // if it's normal insertable text not already covered
1756 if (keysym.isText() && d->keyseq.length() == 1) {
1757 LYXERR(Debug::KEY, "isText() is true, inserting.");
1758 func = FuncRequest(LFUN_SELF_INSERT,
1759 FuncRequest::KEYBOARD);
1761 LYXERR(Debug::KEY, "Unknown, !isText() - giving up");
1762 current_view_->message(_("Unknown function."));
1763 current_view_->restartCursor();
1768 if (func.action() == LFUN_SELF_INSERT) {
1769 if (encoded_last_key != 0) {
1770 docstring const arg(1, encoded_last_key);
1771 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, arg,
1772 FuncRequest::KEYBOARD));
1773 LYXERR(Debug::KEY, "SelfInsert arg[`" << to_utf8(arg) << "']");
1776 lyx::dispatch(func);
1780 void GuiApplication::dispatchDelayed(FuncRequest const & func)
1782 d->func_request_queue_.push(func);
1783 QTimer::singleShot(0, this, SLOT(processFuncRequestQueue()));
1787 void GuiApplication::resetGui()
1789 // Set the language defined by the user.
1793 if (!readUIFile(toqstr(lyxrc.ui_file)))
1794 // Gives some error box here.
1797 if (d->global_menubar_)
1798 d->menus_.fillMenuBar(d->global_menubar_, 0, false);
1800 QHash<int, GuiView *>::iterator it;
1801 for (it = d->views_.begin(); it != d->views_.end(); ++it) {
1804 gv->setLayoutDirection(layoutDirection());
1808 lyx::dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
1812 void GuiApplication::createView(int view_id)
1814 createView(QString(), true, view_id);
1818 void GuiApplication::createView(QString const & geometry_arg, bool autoShow,
1821 // release the keyboard which might have been grabed by the global
1822 // menubar on Mac to catch shortcuts even without any GuiView.
1823 if (d->global_menubar_)
1824 d->global_menubar_->releaseKeyboard();
1828 while (d->views_.find(id) != d->views_.end())
1831 LYXERR(Debug::GUI, "About to create new window with ID " << id);
1832 GuiView * view = new GuiView(id);
1834 d->views_[id] = view;
1838 setActiveWindow(view);
1841 if (!geometry_arg.isEmpty()) {
1845 QRegExp re( "[=]*(?:([0-9]+)[xX]([0-9]+)){0,1}[ ]*(?:([+-][0-9]*)([+-][0-9]*)){0,1}" );
1846 re.indexIn(geometry_arg);
1847 w = re.cap(1).toInt();
1848 h = re.cap(2).toInt();
1849 x = re.cap(3).toInt();
1850 y = re.cap(4).toInt();
1851 view->setGeometry(x, y, w, h);
1858 Clipboard & GuiApplication::clipboard()
1860 return d->clipboard_;
1864 Selection & GuiApplication::selection()
1866 return d->selection_;
1870 FontLoader & GuiApplication::fontLoader()
1872 return d->font_loader_;
1876 Toolbars const & GuiApplication::toolbars() const
1878 return d->toolbars_;
1882 Toolbars & GuiApplication::toolbars()
1884 return d->toolbars_;
1888 Menus const & GuiApplication::menus() const
1894 Menus & GuiApplication::menus()
1900 QList<int> GuiApplication::viewIds() const
1902 return d->views_.keys();
1906 ColorCache & GuiApplication::colorCache()
1908 return d->color_cache_;
1912 int GuiApplication::exec()
1914 // asynchronously handle batch commands. This event will be in
1915 // the event queue in front of other asynchronous events. Hence,
1916 // we can assume in the latter that the gui is setup already.
1917 QTimer::singleShot(0, this, SLOT(execBatchCommands()));
1919 return QApplication::exec();
1923 void GuiApplication::exit(int status)
1925 QApplication::exit(status);
1929 void GuiApplication::setGuiLanguage()
1931 // Set the language defined by the user.
1934 QString const default_language = toqstr(Messages::defaultLanguage());
1935 LYXERR(Debug::LOCALE, "Trying to set default locale to: " << default_language);
1936 QLocale const default_locale(default_language);
1937 QLocale::setDefault(default_locale);
1939 // install translation file for Qt built-in dialogs
1940 QString const language_name = QString("qt_") + default_locale.name();
1942 // language_name can be short (e.g. qt_zh) or long (e.g. qt_zh_CN).
1943 // Short-named translator can be loaded from a long name, but not the
1944 // opposite. Therefore, long name should be used without truncation.
1945 // c.f. http://doc.trolltech.com/4.1/qtranslator.html#load
1946 if (!d->qt_trans_.load(language_name,
1947 QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
1948 LYXERR(Debug::LOCALE, "Could not find Qt translations for locale "
1951 LYXERR(Debug::LOCALE, "Successfully installed Qt translations for locale "
1955 switch (default_locale.language()) {
1956 case QLocale::Arabic :
1957 case QLocale::Hebrew :
1958 case QLocale::Persian :
1959 case QLocale::Urdu :
1960 setLayoutDirection(Qt::RightToLeft);
1963 setLayoutDirection(Qt::LeftToRight);
1968 void GuiApplication::processFuncRequestQueue()
1970 while (!d->func_request_queue_.empty()) {
1971 lyx::dispatch(d->func_request_queue_.back());
1972 d->func_request_queue_.pop();
1977 void GuiApplication::execBatchCommands()
1982 if (!readUIFile(toqstr(lyxrc.ui_file)))
1983 // Gives some error box here.
1987 // Create the global default menubar which is shown for the dialogs
1988 // and if no GuiView is visible.
1989 // This must be done after the session was recovered to know the "last files".
1990 d->global_menubar_ = new GlobalMenuBar();
1991 d->menus_.fillMenuBar(d->global_menubar_, 0, true);
1994 lyx::execBatchCommands();
1998 QAbstractItemModel * GuiApplication::languageModel()
2000 if (d->language_model_)
2001 return d->language_model_;
2003 QStandardItemModel * lang_model = new QStandardItemModel(this);
2004 lang_model->insertColumns(0, 3);
2006 QIcon speller(getPixmap("images/", "dialog-show_spellchecker", "png"));
2007 QIcon saurus(getPixmap("images/", "thesaurus-entry", "png"));
2008 Languages::const_iterator it = lyx::languages.begin();
2009 Languages::const_iterator end = lyx::languages.end();
2010 for (; it != end; ++it) {
2011 current_row = lang_model->rowCount();
2012 lang_model->insertRows(current_row, 1);
2013 QModelIndex pl_item = lang_model->index(current_row, 0);
2014 QModelIndex sp_item = lang_model->index(current_row, 1);
2015 QModelIndex th_item = lang_model->index(current_row, 2);
2016 lang_model->setData(pl_item, qt_(it->second.display()), Qt::DisplayRole);
2017 lang_model->setData(pl_item, toqstr(it->second.lang()), Qt::UserRole);
2018 lang_model->setData(sp_item, qt_(it->second.display()), Qt::DisplayRole);
2019 lang_model->setData(sp_item, toqstr(it->second.lang()), Qt::UserRole);
2020 if (theSpellChecker() && theSpellChecker()->hasDictionary(&it->second))
2021 lang_model->setData(sp_item, speller, Qt::DecorationRole);
2022 lang_model->setData(th_item, qt_(it->second.display()), Qt::DisplayRole);
2023 lang_model->setData(th_item, toqstr(it->second.lang()), Qt::UserRole);
2024 if (thesaurus.thesaurusInstalled(from_ascii(it->second.code())))
2025 lang_model->setData(th_item, saurus, Qt::DecorationRole);
2027 d->language_model_ = new QSortFilterProxyModel(this);
2028 d->language_model_->setSourceModel(lang_model);
2029 #if QT_VERSION >= 0x040300
2030 d->language_model_->setSortLocaleAware(true);
2032 return d->language_model_;
2036 void GuiApplication::restoreGuiSession()
2038 if (!lyxrc.load_session)
2041 Session & session = theSession();
2042 LastOpenedSection::LastOpened const & lastopened =
2043 session.lastOpened().getfiles();
2045 FileName active_file;
2046 // do not add to the lastfile list since these files are restored from
2047 // last session, and should be already there (regular files), or should
2048 // not be added at all (help files).
2049 for (size_t i = 0; i < lastopened.size(); ++i) {
2050 FileName const & file_name = lastopened[i].file_name;
2051 if (d->views_.empty() || (!lyxrc.open_buffers_in_tabs
2052 && current_view_->documentBufferView() != 0)) {
2053 boost::crc_32_type crc;
2054 string const & fname = file_name.absFileName();
2055 crc = for_each(fname.begin(), fname.end(), crc);
2056 createView(crc.checksum());
2058 current_view_->loadDocument(file_name, false);
2060 if (lastopened[i].active)
2061 active_file = file_name;
2064 // Restore last active buffer
2065 Buffer * buffer = theBufferList().getBuffer(active_file);
2067 current_view_->setBuffer(buffer);
2069 // clear this list to save a few bytes of RAM
2070 session.lastOpened().clear();
2074 QString const GuiApplication::romanFontName()
2077 font.setKerning(false);
2078 font.setStyleHint(QFont::Serif);
2079 font.setFamily("serif");
2081 return QFontInfo(font).family();
2085 QString const GuiApplication::sansFontName()
2088 font.setKerning(false);
2089 font.setStyleHint(QFont::SansSerif);
2090 font.setFamily("sans");
2092 return QFontInfo(font).family();
2096 QString const GuiApplication::typewriterFontName()
2099 font.setKerning(false);
2100 font.setStyleHint(QFont::TypeWriter);
2101 font.setFamily("monospace");
2103 return QFontInfo(font).family();
2107 void GuiApplication::handleRegularEvents()
2109 ForkedCallsController::handleCompletedProcesses();
2113 bool GuiApplication::event(QEvent * e)
2116 case QEvent::FileOpen: {
2117 // Open a file; this happens only on Mac OS X for now.
2119 // We do this asynchronously because on startup the batch
2120 // commands are not executed here yet and the gui is not ready
2122 QFileOpenEvent * foe = static_cast<QFileOpenEvent *>(e);
2123 dispatchDelayed(FuncRequest(LFUN_FILE_OPEN, qstring_to_ucs4(foe->file())));
2128 return QApplication::event(e);
2133 bool GuiApplication::notify(QObject * receiver, QEvent * event)
2136 return QApplication::notify(receiver, event);
2138 catch (ExceptionMessage const & e) {
2140 case ErrorException:
2142 setQuitOnLastWindowClosed(false);
2144 Alert::error(e.title_, e.details_);
2146 // Properly crash in debug mode in order to get a useful backtrace.
2149 // In release mode, try to exit gracefully.
2152 case BufferException: {
2153 if (!current_view_->documentBufferView())
2155 Buffer * buf = ¤t_view_->documentBufferView()->buffer();
2156 docstring details = e.details_ + '\n';
2157 details += buf->emergencyWrite();
2158 theBufferList().release(buf);
2159 details += "\n" + _("The current document was closed.");
2160 Alert::error(e.title_, details);
2163 case WarningException:
2164 Alert::warning(e.title_, e.details_);
2168 catch (exception const & e) {
2169 docstring s = _("LyX has caught an exception, it will now "
2170 "attempt to save all unsaved documents and exit."
2172 s += from_ascii(e.what());
2173 Alert::error(_("Software exception Detected"), s);
2177 docstring s = _("LyX has caught some really weird exception, it will "
2178 "now attempt to save all unsaved documents and exit.");
2179 Alert::error(_("Software exception Detected"), s);
2187 bool GuiApplication::getRgbColor(ColorCode col, RGBColor & rgbcol)
2189 QColor const & qcol = d->color_cache_.get(col);
2190 if (!qcol.isValid()) {
2196 rgbcol.r = qcol.red();
2197 rgbcol.g = qcol.green();
2198 rgbcol.b = qcol.blue();
2203 string const GuiApplication::hexName(ColorCode col)
2205 return ltrim(fromqstr(d->color_cache_.get(col).name()), "#");
2209 void GuiApplication::registerSocketCallback(int fd, SocketCallback func)
2211 SocketNotifier * sn = new SocketNotifier(this, fd, func);
2212 d->socket_notifiers_[fd] = sn;
2213 connect(sn, SIGNAL(activated(int)), this, SLOT(socketDataReceived(int)));
2217 void GuiApplication::socketDataReceived(int fd)
2219 d->socket_notifiers_[fd]->func_();
2223 void GuiApplication::unregisterSocketCallback(int fd)
2225 d->socket_notifiers_.take(fd)->setEnabled(false);
2229 void GuiApplication::commitData(QSessionManager & sm)
2231 /// The implementation is required to avoid an application exit
2232 /// when session state save is triggered by session manager.
2233 /// The default implementation sends a close event to all
2234 /// visible top level widgets when session managment allows
2236 /// We are changing that to close all wiew one by one.
2237 /// FIXME: verify if the default implementation is enough now.
2238 if (sm.allowsInteraction() && !closeAllViews())
2243 void GuiApplication::unregisterView(GuiView * gv)
2245 LASSERT(d->views_[gv->id()] == gv, /**/);
2246 d->views_.remove(gv->id());
2247 if (current_view_ == gv)
2252 bool GuiApplication::closeAllViews()
2254 if (d->views_.empty())
2257 // When a view/window was closed before without quitting LyX, there
2258 // are already entries in the lastOpened list.
2259 theSession().lastOpened().clear();
2261 QList<GuiView *> views = d->views_.values();
2262 foreach (GuiView * view, views) {
2263 if (!view->closeScheduled())
2272 GuiView & GuiApplication::view(int id) const
2274 LASSERT(d->views_.contains(id), /**/);
2275 return *d->views_.value(id);
2279 void GuiApplication::hideDialogs(string const & name, Inset * inset) const
2281 QList<GuiView *> views = d->views_.values();
2282 foreach (GuiView * view, views)
2283 view->hideDialog(name, inset);
2287 Buffer const * GuiApplication::updateInset(Inset const * inset) const
2289 Buffer const * buffer_ = 0;
2290 QHash<int, GuiView *>::iterator end = d->views_.end();
2291 for (QHash<int, GuiView *>::iterator it = d->views_.begin(); it != end; ++it) {
2292 if (Buffer const * ptr = (*it)->updateInset(inset))
2299 bool GuiApplication::searchMenu(FuncRequest const & func,
2300 docstring_list & names) const
2302 return d->menus_.searchMenu(func, names);
2306 bool GuiApplication::readUIFile(QString const & name, bool include)
2308 LYXERR(Debug::INIT, "About to read " << name << "...");
2312 ui_path = libFileSearch("ui", name, "inc");
2313 if (ui_path.empty())
2314 ui_path = libFileSearch("ui", changeExtension(name, "inc"));
2316 ui_path = libFileSearch("ui", name, "ui");
2319 if (ui_path.empty()) {
2320 static const QString defaultUIFile = "default";
2321 LYXERR(Debug::INIT, "Could not find " << name);
2323 Alert::warning(_("Could not find UI definition file"),
2324 bformat(_("Error while reading the included file\n%1$s\n"
2325 "Please check your installation."), qstring_to_ucs4(name)));
2328 if (name == defaultUIFile) {
2329 LYXERR(Debug::INIT, "Could not find default UI file!!");
2330 Alert::warning(_("Could not find default UI file"),
2331 _("LyX could not find the default UI file!\n"
2332 "Please check your installation."));
2335 Alert::warning(_("Could not find UI definition file"),
2336 bformat(_("Error while reading the configuration file\n%1$s\n"
2337 "Falling back to default.\n"
2338 "Please look under Tools>Preferences>User Interface and\n"
2339 "check which User Interface file you are using."), qstring_to_ucs4(name)));
2340 return readUIFile(defaultUIFile, false);
2343 // Ensure that a file is read only once (prevents include loops)
2344 static QStringList uifiles;
2345 QString const uifile = toqstr(ui_path.absFileName());
2346 if (uifiles.contains(uifile)) {
2348 // We are reading again the top uifile so reset the safeguard:
2351 d->toolbars_.reset();
2353 LYXERR(Debug::INIT, "UI file '" << name << "' has been read already. "
2354 << "Is this an include loop?");
2358 uifiles.push_back(uifile);
2360 LYXERR(Debug::INIT, "Found " << name << " in " << ui_path);
2370 LexerKeyword uitags[] = {
2371 { "include", ui_include },
2372 { "menuset", ui_menuset },
2373 { "toolbars", ui_toolbars },
2374 { "toolbarset", ui_toolbarset }
2378 lex.setFile(ui_path);
2380 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
2384 if (lyxerr.debugging(Debug::PARSER))
2385 lex.printTable(lyxerr);
2387 // store which ui files define Toolbars
2388 static QStringList toolbar_uifiles;
2390 while (lex.isOK()) {
2391 switch (lex.lex()) {
2394 QString const file = toqstr(lex.getString());
2395 if (!readUIFile(file, true))
2400 d->menus_.read(lex);
2404 d->toolbars_.readToolbars(lex);
2408 d->toolbars_.readToolbarSettings(lex);
2409 toolbar_uifiles.push_back(uifile);
2413 if (!rtrim(lex.getString()).empty())
2414 lex.printError("LyX::ReadUIFile: "
2415 "Unknown menu tag: `$$Token'");
2424 settings.beginGroup("ui_files");
2425 bool touched = false;
2426 for (int i = 0; i != uifiles.size(); ++i) {
2427 QFileInfo fi(uifiles[i]);
2428 QDateTime const date_value = fi.lastModified();
2429 QString const name_key = QString::number(i);
2430 // if an ui file which defines Toolbars has changed,
2431 // we have to reset the settings
2432 if (toolbar_uifiles.contains(uifiles[i])
2433 && (!settings.contains(name_key)
2434 || settings.value(name_key).toString() != uifiles[i]
2435 || settings.value(name_key + "/date").toDateTime() != date_value)) {
2437 settings.setValue(name_key, uifiles[i]);
2438 settings.setValue(name_key + "/date", date_value);
2441 settings.endGroup();
2443 settings.remove("views");
2449 void GuiApplication::onLastWindowClosed()
2451 if (d->global_menubar_)
2452 d->global_menubar_->grabKeyboard();
2456 ////////////////////////////////////////////////////////////////////////
2458 // X11 specific stuff goes here...
2461 bool GuiApplication::x11EventFilter(XEvent * xev)
2466 switch (xev->type) {
2467 case SelectionRequest: {
2468 if (xev->xselectionrequest.selection != XA_PRIMARY)
2470 LYXERR(Debug::SELECTION, "X requested selection.");
2471 BufferView * bv = current_view_->currentBufferView();
2473 docstring const sel = bv->requestSelection();
2475 d->selection_.put(sel);
2479 case SelectionClear: {
2480 if (xev->xselectionclear.selection != XA_PRIMARY)
2482 LYXERR(Debug::SELECTION, "Lost selection.");
2483 BufferView * bv = current_view_->currentBufferView();
2485 bv->clearSelection();
2493 } // namespace frontend
2496 void hideDialogs(std::string const & name, Inset * inset)
2499 frontend::guiApp->hideDialogs(name, inset);
2503 ////////////////////////////////////////////////////////////////////
2507 ////////////////////////////////////////////////////////////////////
2509 frontend::FontLoader & theFontLoader()
2511 LASSERT(frontend::guiApp, /**/);
2512 return frontend::guiApp->fontLoader();
2516 frontend::FontMetrics const & theFontMetrics(Font const & f)
2518 return theFontMetrics(f.fontInfo());
2522 frontend::FontMetrics const & theFontMetrics(FontInfo const & f)
2524 LASSERT(frontend::guiApp, /**/);
2525 return frontend::guiApp->fontLoader().metrics(f);
2529 ////////////////////////////////////////////////////////////////////
2533 ////////////////////////////////////////////////////////////////////
2535 frontend::Clipboard & theClipboard()
2537 LASSERT(frontend::guiApp, /**/);
2538 return frontend::guiApp->clipboard();
2542 frontend::Selection & theSelection()
2544 LASSERT(frontend::guiApp, /**/);
2545 return frontend::guiApp->selection();
2551 #include "moc_GuiApplication.cpp"