/**
- * \file qt4/GuiApplication.cpp
+ * \file GuiApplication.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
#include "GuiApplication.h"
#include "qt_helpers.h"
-#include "QLImage.h"
-#include "socket_callback.h"
+#include "GuiImage.h"
+#include "GuiView.h"
-#include "frontends/LyXView.h"
-
-#include "graphics/LoaderQueue.h"
+#include "frontends/alert.h"
+#include "frontends/Application.h"
+#include "frontends/NoGuiFontLoader.h"
+#include "frontends/NoGuiFontMetrics.h"
+#include "frontends/FontLoader.h"
+#include "frontends/FontMetrics.h"
+#include "support/ExceptionMessage.h"
#include "support/FileName.h"
#include "support/lstrings.h"
#include "support/os.h"
#include "support/Package.h"
+#include "Buffer.h"
+#include "BufferList.h"
#include "BufferView.h"
-#include "Color.h"
#include "debug.h"
+#include "Font.h"
#include "FuncRequest.h"
+#include "FuncStatus.h"
+#include "gettext.h"
#include "LyX.h"
#include "LyXFunc.h"
#include "LyXRC.h"
+#include "Session.h"
+#include "version.h"
#include <QApplication>
#include <QClipboard>
#include <QFileOpenEvent>
#include <QLocale>
#include <QLibraryInfo>
+#include <QPixmapCache>
+#include <QRegExp>
+#include <QSessionManager>
+#include <QSocketNotifier>
#include <QTextCodec>
#include <QTimer>
#include <QTranslator>
#ifdef Q_WS_X11
#include <X11/Xatom.h>
#include <X11/Xlib.h>
+#undef CursorShape
+#undef None
#endif
#include <boost/bind.hpp>
#include <exception>
-using std::string;
using std::endl;
+using std::map;
+using std::string;
+using std::vector;
-///////////////////////////////////////////////////////////////
-// You can find other X11 specific stuff
-// at the end of this file...
-///////////////////////////////////////////////////////////////
-namespace {
+namespace lyx {
-int getDPI()
+frontend::Application * createApplication(int & argc, char * argv[])
{
- QWidget w;
- return int(0.5 * (w.logicalDpiX() + w.logicalDpiY()));
+ return new frontend::GuiApplication(argc, argv);
}
-} // namespace anon
+namespace frontend {
+
+class SocketNotifier : public QSocketNotifier
+{
+public:
+ /// connect a connection notification from the LyXServerSocket
+ SocketNotifier(QObject * parent, int fd, Application::SocketCallback func)
+ : QSocketNotifier(fd, QSocketNotifier::Read, parent), func_(func)
+ {}
-namespace lyx {
+public:
+ /// The callback function
+ Application::SocketCallback func_;
+};
-using support::FileName;
-frontend::Application * createApplication(int & argc, char * argv[])
+////////////////////////////////////////////////////////////////////////
+// Mac specific stuff goes here...
+
+class MenuTranslator : public QTranslator
{
- return new frontend::GuiApplication(argc, argv);
-}
+public:
+ MenuTranslator(QObject * parent)
+ : QTranslator(parent)
+ {}
+
+ QString translate(const char * /*context*/,
+ const char * sourceText,
+ const char * /*comment*/ = 0)
+ {
+ string const s = sourceText;
+ if (s == N_("About %1") || s == N_("Preferences")
+ || s == N_("Reconfigure") || s == N_("Quit %1"))
+ return qt_(s);
+ else
+ return QString();
+ }
+};
-namespace frontend {
+///////////////////////////////////////////////////////////////
+// You can find more platform specific stuff
+// at the end of this file...
+///////////////////////////////////////////////////////////////
-GuiApplication * guiApp;
+using support::FileName;
-GuiApplication::~GuiApplication()
-{
- socket_callbacks_.clear();
-}
+GuiApplication * guiApp;
GuiApplication::GuiApplication(int & argc, char ** argv)
- : QApplication(argc, argv), Application(argc, argv)
+ : QApplication(argc, argv), Application(), current_view_(0)
{
+ QString app_name = "LyX";
+ QCoreApplication::setOrganizationName(app_name);
+ QCoreApplication::setOrganizationDomain("lyx.org");
+ QCoreApplication::setApplicationName(app_name + "-" + lyx_version);
+
// Qt bug? setQuitOnLastWindowClosed(true); does not work
setQuitOnLastWindowClosed(false);
// install translation file for Qt built-in dialogs
QString language_name = QString("qt_") + QLocale::system().name();
- language_name.truncate(5);
+
+ // language_name can be short (e.g. qt_zh) or long (e.g. qt_zh_CN).
+ // Short-named translator can be loaded from a long name, but not the
+ // opposite. Therefore, long name should be used without truncation.
+ // c.f. http://doc.trolltech.com/4.1/qtranslator.html#load
if (qt_trans_.load(language_name,
QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
{
- qApp->installTranslator(&qt_trans_);
+ installTranslator(&qt_trans_);
// even if the language calls for RtL, don't do that
- qApp->setLayoutDirection(Qt::LeftToRight);
- LYXERR(Debug::GUI)
- << "Successfully installed Qt translations for locale "
- << fromqstr(language_name) << std::endl;
+ setLayoutDirection(Qt::LeftToRight);
+ LYXERR(Debug::GUI, "Successfully installed Qt translations for locale "
+ << fromqstr(language_name));
} else
- LYXERR(Debug::GUI)
- << "Could not find Qt translations for locale "
- << fromqstr(language_name) << std::endl;
+ LYXERR(Debug::GUI, "Could not find Qt translations for locale "
+ << fromqstr(language_name));
+
+#ifdef Q_WS_MACX
+ // This allows to translate the strings that appear in the LyX menu.
+ addMenuTranslator();
+#endif
using namespace lyx::graphics;
- Image::newImage = boost::bind(&QLImage::newImage);
- Image::loadableFormats = boost::bind(&QLImage::loadableFormats);
+ Image::newImage = boost::bind(&GuiImage::newImage);
+ Image::loadableFormats = boost::bind(&GuiImage::loadableFormats);
// needs to be done before reading lyxrc
- lyxrc.dpi = getDPI();
-
- LoaderQueue::setPriority(10,100);
+ QWidget w;
+ lyxrc.dpi = (w.logicalDpiX() + w.logicalDpiY()) / 2;
guiApp = this;
+
+ // Set the cache to 5120 kilobytes which corresponds to screen size of
+ // 1280 by 1024 pixels with a color depth of 32 bits.
+ QPixmapCache::setCacheLimit(5120);
+
+ // Initialize RC Fonts
+ if (lyxrc.roman_font_name.empty())
+ lyxrc.roman_font_name = fromqstr(romanFontName());
+
+ if (lyxrc.sans_font_name.empty())
+ lyxrc.sans_font_name = fromqstr(sansFontName());
+
+ if (lyxrc.typewriter_font_name.empty())
+ lyxrc.typewriter_font_name = fromqstr(typewriterFontName());
+}
+
+
+GuiApplication::~GuiApplication()
+{
+ socket_notifiers_.clear();
+}
+
+
+FuncStatus GuiApplication::getStatus(FuncRequest const & cmd)
+{
+ FuncStatus flag;
+ bool enable = true;
+
+ switch(cmd.action) {
+
+ case LFUN_WINDOW_CLOSE:
+ enable = view_ids_.size() > 0;
+ break;
+
+ default:
+ if (!current_view_) {
+ enable = false;
+ break;
+ }
+ }
+
+ if (!enable)
+ flag.enabled(false);
+
+ return flag;
+}
+
+
+bool GuiApplication::dispatch(FuncRequest const & cmd)
+{
+ switch(cmd.action) {
+
+ case LFUN_WINDOW_NEW:
+ createView(toqstr(cmd.argument()));
+ break;
+
+ case LFUN_WINDOW_CLOSE:
+ // update bookmark pit of the current buffer before window close
+ for (size_t i = 0; i < LyX::ref().session().bookmarks().size(); ++i)
+ theLyXFunc().gotoBookmark(i+1, false, false);
+ // ask the user for saving changes or cancel quit
+ if (!theBufferList().quitWriteAll())
+ break;
+ current_view_->close();
+ break;
+
+ case LFUN_LYX_QUIT:
+ // quitting is triggered by the gui code
+ // (leaving the event loop).
+ current_view_->message(from_utf8(N_("Exiting.")));
+ if (theBufferList().quitWriteAll())
+ closeAllViews();
+ break;
+
+ case LFUN_SCREEN_FONT_UPDATE: {
+ // handle the screen font changes.
+ font_loader_.update();
+ // Backup current_view_
+ GuiView * view = current_view_;
+ // Set current_view_ to zero to forbid GuiWorkArea::redraw()
+ // to skip the refresh.
+ current_view_ = 0;
+ BufferList::iterator it = theBufferList().begin();
+ BufferList::iterator const end = theBufferList().end();
+ for (; it != end; ++it)
+ (*it)->changed();
+ // Restore current_view_
+ current_view_ = view;
+ break;
+ }
+
+ default:
+ // Notify the caller that the action has not been dispatched.
+ return false;
+ }
+
+ // The action has been dispatched.
+ return true;
+}
+
+
+void GuiApplication::resetGui()
+{
+ map<int, GuiView *>::iterator it;
+ for (it = views_.begin(); it != views_.end(); ++it)
+ it->second->resetDialogs();
+
+ dispatch(FuncRequest(LFUN_SCREEN_FONT_UPDATE));
+}
+
+
+static void updateIds(map<int, GuiView *> const & stdmap, vector<int> & ids)
+{
+ ids.clear();
+ map<int, GuiView *>::const_iterator it;
+ for (it = stdmap.begin(); it != stdmap.end(); ++it)
+ ids.push_back(it->first);
}
-Clipboard& GuiApplication::clipboard()
+void GuiApplication::createView(QString const & geometry_arg)
+{
+ updateIds(views_, view_ids_);
+ int id = 0;
+ while (views_.find(id) != views_.end())
+ id++;
+ views_[id] = new GuiView(id);
+ updateIds(views_, view_ids_);
+
+ GuiView * view = views_[id];
+ theLyXFunc().setLyXView(view);
+
+ view->show();
+ if (!geometry_arg.isEmpty()) {
+#ifdef Q_WS_WIN
+ int x, y;
+ int w, h;
+ QRegExp re( "[=]*(?:([0-9]+)[xX]([0-9]+)){0,1}[ ]*(?:([+-][0-9]*)([+-][0-9]*)){0,1}" );
+ re.indexIn(geometry_arg);
+ w = re.cap(1).toInt();
+ h = re.cap(2).toInt();
+ x = re.cap(3).toInt();
+ y = re.cap(4).toInt();
+ view->setGeometry(x, y, w, h);
+#endif
+ }
+ view->setFocus();
+
+ setCurrentView(*view);
+}
+
+
+
+
+Clipboard & GuiApplication::clipboard()
{
return clipboard_;
}
-Selection& GuiApplication::selection()
+Selection & GuiApplication::selection()
{
return selection_;
}
-int const GuiApplication::exec()
+int GuiApplication::exec()
{
QTimer::singleShot(1, this, SLOT(execBatchCommands()));
return QApplication::exec();
}
-string const GuiApplication::romanFontName()
+QString const GuiApplication::romanFontName()
{
QFont font;
font.setKerning(false);
font.setStyleHint(QFont::Serif);
font.setFamily("serif");
- return fromqstr(QFontInfo(font).family());
+ return QFontInfo(font).family();
}
-string const GuiApplication::sansFontName()
+QString const GuiApplication::sansFontName()
{
QFont font;
font.setKerning(false);
font.setStyleHint(QFont::SansSerif);
font.setFamily("sans");
- return fromqstr(QFontInfo(font).family());
+ return QFontInfo(font).family();
}
-string const GuiApplication::typewriterFontName()
+QString const GuiApplication::typewriterFontName()
{
QFont font;
font.setKerning(false);
font.setStyleHint(QFont::TypeWriter);
font.setFamily("monospace");
- return fromqstr(QFontInfo(font).family());
+ return QFontInfo(font).family();
}
// Open a file; this happens only on Mac OS X for now
QFileOpenEvent * foe = static_cast<QFileOpenEvent *>(e);
- if (!currentView() || !currentView()->view())
+ if (!current_view_ || !current_view_->view())
// The application is not properly initialized yet.
// So we acknowledge the event and delay the file opening
// until LyX is ready.
bool GuiApplication::notify(QObject * receiver, QEvent * event)
{
- bool return_value;
try {
- return_value = QApplication::notify(receiver, event);
+ return QApplication::notify(receiver, event);
+ }
+ catch (support::ExceptionMessage const & e) {
+ if (e.type_ == support::ErrorException) {
+ Alert::error(e.title_, e.details_);
+ LyX::cref().emergencyCleanup();
+ QApplication::exit(1);
+ } else if (e.type_ == support::WarningException) {
+ Alert::warning(e.title_, e.details_);
+ return false;
+ }
}
- catch (std::exception const & e) {
- lyxerr << "Caught \"normal\" exception: " << e.what() << endl;
+ catch (std::exception const & e) {
+ docstring s = _("LyX has caught an exception, it will now "
+ "attemp to save all unsaved documents and exit."
+ "\n\nException: ");
+ s += from_ascii(e.what());
+ Alert::error(_("Software exception Detected"), s);
LyX::cref().emergencyCleanup();
- abort();
+ QApplication::exit(1);
}
catch (...) {
- lyxerr << "Caught some really weird exception..." << endl;
+ docstring s = _("LyX has caught some really weird exception, it will "
+ "now attemp to save all unsaved documents and exit.");
+ Alert::error(_("Software exception Detected"), s);
LyX::cref().emergencyCleanup();
- abort();
+ QApplication::exit(1);
}
- return return_value;
-}
-
-
-void GuiApplication::syncEvents()
-{
- // This is the ONLY place where processEvents may be called.
- // During screen update/ redraw, this method is disabled to
- // prevent keyboard events being handed to the LyX core, where
- // they could cause re-entrant calls to screen update.
- processEvents(QEventLoop::ExcludeUserInputEvents);
+ return false;
}
-bool GuiApplication::getRgbColor(Color_color col,
- RGBColor & rgbcol)
+bool GuiApplication::getRgbColor(ColorCode col, RGBColor & rgbcol)
{
QColor const & qcol = color_cache_.get(col);
if (!qcol.isValid()) {
}
-string const GuiApplication::hexName(Color_color col)
+string const GuiApplication::hexName(ColorCode col)
{
- return lyx::support::ltrim(fromqstr(color_cache_.get(col).name()), "#");
+ return support::ltrim(fromqstr(color_cache_.get(col).name()), "#");
}
-void GuiApplication::updateColor(Color_color)
+void GuiApplication::updateColor(ColorCode)
{
// FIXME: Bleh, can't we just clear them all at once ?
color_cache_.clear();
}
-void GuiApplication::registerSocketCallback(int fd, boost::function<void()> func)
+void GuiApplication::registerSocketCallback(int fd, SocketCallback func)
{
- socket_callbacks_[fd] =
- boost::shared_ptr<socket_callback>(new socket_callback(fd, func));
+ SocketNotifier * sn = new SocketNotifier(this, fd, func);
+ socket_notifiers_[fd] = sn;
+ connect(sn, SIGNAL(activated(int)), this, SLOT(socketDataReceived(int)));
+}
+
+
+void GuiApplication::socketDataReceived(int fd)
+{
+ socket_notifiers_[fd]->func_();
}
void GuiApplication::unregisterSocketCallback(int fd)
{
- socket_callbacks_.erase(fd);
+ socket_notifiers_.erase(fd);
+}
+
+
+void GuiApplication::commitData(QSessionManager & sm)
+{
+ /// The implementation is required to avoid an application exit
+ /// when session state save is triggered by session manager.
+ /// The default implementation sends a close event to all
+ /// visible top level widgets when session managment allows
+ /// interaction.
+ /// We are changing that to write all unsaved buffers...
+ if (sm.allowsInteraction() && !theBufferList().quitWriteAll())
+ sm.cancel();
+}
+
+
+void GuiApplication::addMenuTranslator()
+{
+ installTranslator(new MenuTranslator(this));
+}
+
+
+bool GuiApplication::unregisterView(int id)
+{
+ updateIds(views_, view_ids_);
+ BOOST_ASSERT(views_.find(id) != views_.end());
+ BOOST_ASSERT(views_[id]);
+
+ map<int, GuiView *>::iterator it;
+ for (it = views_.begin(); it != views_.end(); ++it) {
+ if (it->first == id) {
+ views_.erase(id);
+ break;
+ }
+ }
+ updateIds(views_, view_ids_);
+ return true;
}
+
+bool GuiApplication::closeAllViews()
+{
+ updateIds(views_, view_ids_);
+ if (views_.empty()) {
+ // quit in CloseEvent will not be triggert
+ qApp->quit();
+ return true;
+ }
+
+ map<int, GuiView*> const cmap = views_;
+ map<int, GuiView*>::const_iterator it;
+ for (it = cmap.begin(); it != cmap.end(); ++it) {
+ // TODO: return false when close event was ignored
+ // e.g. quitWriteAll()->'Cancel'
+ // maybe we need something like 'bool closeView()'
+ it->second->close();
+ // unregisterd by the CloseEvent
+ }
+
+ views_.clear();
+ view_ids_.clear();
+ return true;
+}
+
+
+GuiView & GuiApplication::view(int id) const
+{
+ BOOST_ASSERT(views_.find(id) != views_.end());
+ return *views_.find(id)->second;
+}
+
+
+void GuiApplication::hideDialogs(string const & name, Inset * inset) const
+{
+ vector<int>::const_iterator it = view_ids_.begin();
+ vector<int>::const_iterator const end = view_ids_.end();
+ for (; it != end; ++it)
+ view(*it).hideDialog(name, inset);
+}
+
+
+Buffer const * GuiApplication::updateInset(Inset const * inset) const
+{
+ Buffer const * buffer_ = 0;
+ vector<int>::const_iterator it = view_ids_.begin();
+ vector<int>::const_iterator const end = view_ids_.end();
+ for (; it != end; ++it) {
+ Buffer const * ptr = view(*it).updateInset(inset);
+ if (ptr)
+ buffer_ = ptr;
+ }
+ return buffer_;
+}
+
+
////////////////////////////////////////////////////////////////////////
// X11 specific stuff goes here...
#ifdef Q_WS_X11
bool GuiApplication::x11EventFilter(XEvent * xev)
{
- if (!currentView())
+ if (!current_view_)
return false;
switch (xev->type) {
case SelectionRequest: {
if (xev->xselectionrequest.selection != XA_PRIMARY)
break;
- LYXERR(Debug::GUI) << "X requested selection." << endl;
- BufferView * bv = currentView()->view();
+ LYXERR(Debug::GUI, "X requested selection.");
+ BufferView * bv = current_view_->view();
if (bv) {
docstring const sel = bv->requestSelection();
if (!sel.empty())
case SelectionClear: {
if (xev->xselectionclear.selection != XA_PRIMARY)
break;
- LYXERR(Debug::GUI) << "Lost selection." << endl;
- BufferView * bv = currentView()->view();
+ LYXERR(Debug::GUI, "Lost selection.");
+ BufferView * bv = current_view_->view();
if (bv)
bv->clearSelection();
break;
}
#endif
-
} // namespace frontend
+
+
+////////////////////////////////////////////////////////////////////
+//
+// Font stuff
+//
+////////////////////////////////////////////////////////////////////
+
+frontend::FontLoader & theFontLoader()
+{
+ static frontend::NoGuiFontLoader no_gui_font_loader;
+
+ if (!use_gui)
+ return no_gui_font_loader;
+
+ BOOST_ASSERT(frontend::guiApp);
+ return frontend::guiApp->fontLoader();
+}
+
+
+frontend::FontMetrics const & theFontMetrics(Font const & f)
+{
+ return theFontMetrics(f.fontInfo());
+}
+
+
+frontend::FontMetrics const & theFontMetrics(FontInfo const & f)
+{
+ static frontend::NoGuiFontMetrics no_gui_font_metrics;
+
+ if (!use_gui)
+ return no_gui_font_metrics;
+
+ BOOST_ASSERT(frontend::guiApp);
+ return frontend::guiApp->fontLoader().metrics(f);
+}
+
+
+frontend::Clipboard & theClipboard()
+{
+ BOOST_ASSERT(frontend::guiApp);
+ return frontend::guiApp->clipboard();
+}
+
+
+frontend::Selection & theSelection()
+{
+ BOOST_ASSERT(frontend::guiApp);
+ return frontend::guiApp->selection();
+}
+
} // namespace lyx
#include "GuiApplication_moc.cpp"