]> git.lyx.org Git - lyx.git/blobdiff - src/frontends/qt4/GuiApplication.cpp
the fun begins....
[lyx.git] / src / frontends / qt4 / GuiApplication.cpp
index 971cf53e9efd00a3d55f9198c6904264175e187b..fa3a2bb549c3f76b13672cb9b4f11871b6acade2 100644 (file)
@@ -1,5 +1,5 @@
 /**
- * \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 "GuiImage.h"
 #include "socket_callback.h"
 
 #include "frontends/LyXView.h"
 
 #include "graphics/LoaderQueue.h"
 
+#include "support/FileName.h"
 #include "support/lstrings.h"
 #include "support/os.h"
 #include "support/Package.h"
 
+#include "BufferList.h"
 #include "BufferView.h"
-#include "color.h"
+#include "Color.h"
 #include "debug.h"
 #include "FuncRequest.h"
+#include "gettext.h"
 #include "LyX.h"
 #include "LyXFunc.h"
 #include "LyXRC.h"
@@ -40,6 +43,8 @@
 #include <QFileOpenEvent>
 #include <QLocale>
 #include <QLibraryInfo>
+#include <QPixmapCache>
+#include <QSessionManager>
 #include <QTextCodec>
 #include <QTimer>
 #include <QTranslator>
@@ -75,6 +80,8 @@ int getDPI()
 
 namespace lyx {
 
+using support::FileName;
+
 frontend::Application * createApplication(int & argc, char * argv[])
 {
        return new frontend::GuiApplication(argc, argv);
@@ -108,13 +115,17 @@ GuiApplication::GuiApplication(int & argc, char ** argv)
 
        // 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);
+               setLayoutDirection(Qt::LeftToRight);
                LYXERR(Debug::GUI)
                        << "Successfully installed Qt translations for locale "
                        << fromqstr(language_name) << std::endl;
@@ -123,10 +134,15 @@ GuiApplication::GuiApplication(int & argc, char ** argv)
                        << "Could not find  Qt translations for locale "
                        << fromqstr(language_name) << std::endl;
 
+#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();
@@ -134,6 +150,10 @@ GuiApplication::GuiApplication(int & argc, char ** argv)
        LoaderQueue::setPriority(10,100);
 
        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);
 }
 
 
@@ -207,8 +227,18 @@ bool GuiApplication::event(QEvent * e)
        case QEvent::FileOpen: {
                // Open a file; this happens only on Mac OS X for now
                QFileOpenEvent * foe = static_cast<QFileOpenEvent *>(e);
-               lyx::dispatch(FuncRequest(LFUN_FILE_OPEN,
-                                         fromqstr(foe->file())));
+
+               if (!currentView() || !currentView()->view())
+                       // The application is not properly initialized yet.
+                       // So we acknowledge the event and delay the file opening
+                       // until LyX is ready.
+                       // FIXME UNICODE: FileName accept an utf8 encoded string.
+                       LyX::ref().addFileToLoad(FileName(fromqstr(foe->file())));
+               else
+                       lyx::dispatch(FuncRequest(LFUN_FILE_OPEN,
+                               qstring_to_ucs4(foe->file())));
+
+               e->accept();
                return true;
        }
        default:
@@ -290,6 +320,20 @@ void GuiApplication::unregisterSocketCallback(int fd)
        socket_callbacks_.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();
+}
+
+
 ////////////////////////////////////////////////////////////////////////
 // X11 specific stuff goes here...
 #ifdef Q_WS_X11
@@ -326,6 +370,38 @@ bool GuiApplication::x11EventFilter(XEvent * xev)
 #endif
 
 
+////////////////////////////////////////////////////////////////////////
+// Mac specific stuff goes here...
+
+class MenuTranslator : public QTranslator {
+public:
+       virtual ~MenuTranslator() {};
+       virtual QString translate(const char * context, 
+                                 const char * sourceText, 
+                                 const char * comment = 0) const;
+};
+
+
+QString MenuTranslator::translate(const char * /*context*/, 
+                                 const char * sourceText, 
+                                 const char *) const
+{
+       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();
+}
+
+
+void GuiApplication::addMenuTranslator()
+{
+       menu_trans_.reset(new MenuTranslator());
+       installTranslator(menu_trans_.get());
+}
+
+
 } // namespace frontend
 } // namespace lyx