qapplication_qws.cpp

奇趣公司比较新的qt/emd版本

        } else {
            QETWidget *etw = static_cast<QETWidget*>(w);
            etw->updateRegion();
            if (etw->isVisible()) {
                etw->repaintHierarchy(etw->geometry(), true);
                etw->repaintDecoration(qApp->desktop()->rect(), true);
            }
        }
    }


    // only update the mwr if it is full screen.
    if (isFullScreen) {
        QApplicationPriate *ap = QApplicationPrivate::instance();
        ap->setMaxWindowRect(qt_screen,
                             QRect(0,0, qt_screen->width(), qt_screen->height()));
    }

#endif
}
#endif

static bool qt_try_modal(QWidget *, QWSEvent *);

/*****************************************************************************
  qt_init() - initializes Qt/FB
 *****************************************************************************/

static void qt_set_qws_resources()

{
    if (QApplication::desktopSettingsAware())
        QApplicationPrivate::qws_apply_settings();

    if (appFont)
        QApplication::setFont(QFont(QString::fromLocal8Bit(appFont)));

    if (appBGCol || appBTNCol || appFGCol) {
        (void) QApplication::style();  // trigger creation of application style and system palettes
        QColor btn;
        QColor bg;
        QColor fg;
        if (appBGCol)
            bg = QColor(appBGCol);
        else
            bg = QApplicationPrivate::sys_pal->color(QPalette::Window);
        if (appFGCol)
            fg = QColor(appFGCol);
        else
            fg = QApplicationPrivate::sys_pal->color(QPalette::WindowText);
        if (appBTNCol)
            btn = QColor(appBTNCol);
        else
            btn = QApplicationPrivate::sys_pal->color(QPalette::Button);

        int h,s,v;
        fg.getHsv(&h,&s,&v);
        QColor base = Qt::white;
        bool bright_mode = false;
        if (v >= 255 - 50) {
            base = btn.darker(150);
            bright_mode = true;
        }

        QPalette pal(fg, btn, btn.lighter(), btn.darker(), btn.darker(150), fg, Qt::white, base, bg);
        if (bright_mode) {
            pal.setColor(QPalette::HighlightedText, base);
            pal.setColor(QPalette::Highlight, Qt::white);
        } else {
            pal.setColor(QPalette::HighlightedText, Qt::white);
            pal.setColor(QPalette::Highlight, Qt::darkBlue);
        }
        QColor disabled((fg.red()   + btn.red())  / 2,
                        (fg.green() + btn.green())/ 2,
                        (fg.blue()  + btn.blue()) / 2);
        pal.setColorGroup(QPalette::Disabled, disabled, btn, btn.lighter(125),
                          btn.darker(), btn.darker(150), disabled, Qt::white, Qt::white, bg);
        if (bright_mode) {
            pal.setColor(QPalette::Disabled, QPalette::HighlightedText, base);
            pal.setColor(QPalette::Disabled, QPalette::Highlight, Qt::white);
        } else {
            pal.setColor(QPalette::Disabled, QPalette::HighlightedText, Qt::white);
            pal.setColor(QPalette::Disabled, QPalette::Highlight, Qt::darkBlue);
        }
        QApplicationPrivate::setSystemPalette(pal);

    }
}

void QApplicationPrivate::initializeWidgetPaletteHash()
{
}

/*! \internal
    apply the settings to the application
*/
bool QApplicationPrivate::qws_apply_settings()
{
#ifndef QT_NO_SETTINGS
    QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
    settings.beginGroup(QLatin1String("Qt"));

    QStringList strlist;
    int i;
    QPalette pal(Qt::black);
    int groupCount = 0;
    strlist = settings.value(QLatin1String("Palette/active")).toStringList();
    if (strlist.count() == QPalette::NColorRoles) {
        ++groupCount;
        for (i = 0; i < QPalette::NColorRoles; i++)
            pal.setColor(QPalette::Active, (QPalette::ColorRole) i,
                         QColor(strlist[i]));
    }
    strlist = settings.value(QLatin1String("Palette/inactive")).toStringList();
    if (strlist.count() == QPalette::NColorRoles) {
        ++groupCount;
        for (i = 0; i < QPalette::NColorRoles; i++)
            pal.setColor(QPalette::Inactive, (QPalette::ColorRole) i,
                         QColor(strlist[i]));
    }
    strlist = settings.value(QLatin1String("Palette/disabled")).toStringList();
    if (strlist.count() == QPalette::NColorRoles) {
        ++groupCount;
        for (i = 0; i < QPalette::NColorRoles; i++)
            pal.setColor(QPalette::Disabled, (QPalette::ColorRole) i,
                         QColor(strlist[i]));
    }


    if (groupCount == QPalette::NColorGroups)
        QApplicationPrivate::setSystemPalette(pal);

    QString str = settings.value(QLatin1String("font")).toString();
    if (!str.isEmpty()) {
        QFont font(QApplication::font());
        font.fromString(str);
        QApplicationPrivate::setSystemFont(font);
    }

    // read library (ie. plugin) path list
    QString libpathkey =
        QString::fromLatin1("%1.%2/libraryPath")
        .arg(QT_VERSION >> 16)
        .arg((QT_VERSION & 0xff00) >> 8);
    QStringList pathlist = settings.value(libpathkey).toString().split(QLatin1Char(':'));
#ifndef QT_NO_LIBRARY
    if (! pathlist.isEmpty()) {
        QStringList::ConstIterator it = pathlist.constBegin();
        while (it != pathlist.constEnd())
            QApplication::addLibraryPath(*it++);
    }
#endif

    // read new QStyle
    QString stylename = settings.value(QLatin1String("style")).toString();
    if (QCoreApplication::startingUp()) {
        if (!stylename.isEmpty() && !QApplicationPrivate::styleOverride)
            QApplicationPrivate::styleOverride = new QString(stylename);
    } else {
        QApplication::setStyle(stylename);
    }

    int num =
        settings.value(QLatin1String("doubleClickInterval"),
                       QApplication::doubleClickInterval()).toInt();
    QApplication::setDoubleClickInterval(num);

    num =
        settings.value(QLatin1String("cursorFlashTime"),
                       QApplication::cursorFlashTime()).toInt();
    QApplication::setCursorFlashTime(num);

#ifndef QT_NO_WHEELEVENT
    num =
        settings.value(QLatin1String("wheelScrollLines"),
                       QApplication::wheelScrollLines()).toInt();
    QApplication::setWheelScrollLines(num);
#endif

    QString colorspec = settings.value(QLatin1String("colorSpec"),
                                       QVariant(QLatin1String("default"))).toString();
    if (colorspec == QLatin1String("normal"))
        QApplication::setColorSpec(QApplication::NormalColor);
    else if (colorspec == QLatin1String("custom"))
        QApplication::setColorSpec(QApplication::CustomColor);
    else if (colorspec == QLatin1String("many"))
        QApplication::setColorSpec(QApplication::ManyColor);
    else if (colorspec != QLatin1String("default"))
        colorspec = QLatin1String("default");

#ifndef QT_NO_TEXTCODEC
    QString defaultcodec = settings.value(QLatin1String("defaultCodec"),
                                          QVariant(QLatin1String("none"))).toString();
    if (defaultcodec != QLatin1String("none")) {
        QTextCodec *codec = QTextCodec::codecForName(defaultcodec.toLatin1());
        if (codec)
            QTextCodec::setCodecForTr(codec);
    }
#endif

    int w = settings.value(QLatin1String("globalStrut/width")).toInt();
    int h = settings.value(QLatin1String("globalStrut/height")).toInt();
    QSize strut(w, h);
    if (strut.isValid())
        QApplication::setGlobalStrut(strut);

    QStringList effects = settings.value(QLatin1String("GUIEffects")).toStringList();
    QApplication::setEffectEnabled(Qt::UI_General,
                                   effects.contains(QLatin1String("general")));
    QApplication::setEffectEnabled(Qt::UI_AnimateMenu,
                                   effects.contains(QLatin1String("animatemenu")));
    QApplication::setEffectEnabled(Qt::UI_FadeMenu,
                                   effects.contains(QLatin1String("fademenu")));
    QApplication::setEffectEnabled(Qt::UI_AnimateCombo,
                                   effects.contains(QLatin1String("animatecombo")));
    QApplication::setEffectEnabled(Qt::UI_AnimateTooltip,
                                   effects.contains(QLatin1String("animatetooltip")));
    QApplication::setEffectEnabled(Qt::UI_FadeTooltip,
                                   effects.contains(QLatin1String("fadetooltip")));
    QApplication::setEffectEnabled(Qt::UI_AnimateToolBox,
                                   effects.contains(QLatin1String("animatetoolbox")));

    settings.beginGroup(QLatin1String("Font Substitutions"));
    QStringList fontsubs = settings.childKeys();
    if (!fontsubs.isEmpty()) {
        QStringList::Iterator it = fontsubs.begin();
        for (; it != fontsubs.end(); ++it) {
            QString fam = *it;
            QStringList subs = settings.value(fam).toStringList();
            QFont::insertSubstitutions(fam, subs);
        }
    }
    settings.endGroup();

    settings.endGroup(); // Qt

    settings.beginGroup(QLatin1String("QWS Font Fallbacks"));
    if (!settings.childKeys().isEmpty()) {
        // from qfontdatabase_qws.cpp
        extern void qt_applyFontDatabaseSettings(const QSettings &);
        qt_applyFontDatabaseSettings(settings);
    }
    settings.endGroup();

    return true;
#else
    return false;
#endif // QT_NO_SETTINGS
}



static void init_display()
{
    if (qt_fbdpy) return; // workaround server==client case

    // Connect to FB server
    qt_fbdpy = new QWSDisplay();

    // Get display parameters
    // Set paintdevice parameters
    // XXX initial info sent from server
    // Misc. initialization

    QColormap::initialize();
    QFont::initialize();
#ifndef QT_NO_CURSOR
    QCursorData::initialize();
#endif

    qApp->setObjectName(appName);

    if (!QApplicationPrivate::app_font) {
        QFont f;
#ifdef QT_NO_FREETYPE
        f = QFont(QLatin1String("helvetica"), 10);
#else
        f = QFont(QLatin1String("DejaVu Sans"), 12);
#endif
        QApplication::setFont(f);
    }
    qt_set_qws_resources();
}

void qt_init_display()
{
    qt_is_gui_used = true;
    qws_single_process = true;
    init_display();
}

static bool read_bool_env_var(const char *var, bool defaultvalue)
{
    // returns true if env variable is set to non-zero
    // returns false if env var is set to zero
    // returns defaultvalue if env var not set
    char *x = ::getenv(var);
    return (x && *x) ? (strcmp(x,"0") != 0) : defaultvalue;
}

void qt_init(QApplicationPrivate *priv, int type)
{
    if (type == QApplication::GuiServer)
        qt_is_gui_used = false; //we'll turn it on in a second
    qws_sw_cursor = read_bool_env_var("QWS_SW_CURSOR",qws_sw_cursor);
    qws_screen_is_interlaced = read_bool_env_var("QWS_INTERLACE",false);

    const char *display = ::getenv("QWS_DISPLAY");
    if (display)
        qws_display_spec = display; // since we setenv later!

    //qws_savefonts = qgetenv("QWS_SAVEFONTS") != 0;
    //qws_shared_memory = qgetenv("QWS_NOSHARED") == 0;

    int flags = 0;
    char *p;
    int argc = priv->argc;
    char **argv = priv->argv;
    int j;

    // Set application name

    if (argv && *argv) { //apparently, we allow people to pass 0 on the other platforms
        p = strrchr(argv[0], '/');
        appName = QString::fromLocal8Bit(p ? p + 1 : argv[0]);
    }

    // Get command line params

    j = argc ? 1 : 0;
    QString decoration;
    for (int i=1; i<argc; i++) {
        if (argv[i] && *argv[i] != '-') {
            argv[j++] = argv[i];
            continue;
        }
        QByteArray arg = argv[i];
        if (arg == "-fn" || arg == "-font") {
            if (++i < argc)
                appFont = argv[i];
        } else if (arg == "-bg" || arg == "-background") {
            if (++i < argc)
                appBGCol = argv[i];
        } else if (arg == "-btn" || arg == "-button") {
            if (++i < argc)
                appBTNCol = argv[i];
        } else if (arg == "-fg" || arg == "-foreground") {
            if (++i < argc)
                appFGCol = argv[i];
        } else if (arg == "-name") {
            if (++i < argc)
                appName = QString::fromLocal8Bit(argv[i]);
        } else if (arg == "-title") {
            if (++i < argc)
                mwTitle = argv[i];
        } else if (arg == "-geometry") {
            if (++i < argc)
                mwGeometry = argv[i];
        } else if (arg == "-shared") {
            qws_shared_memory = true;
        } else if (arg == "-noshared") {
            qws_shared_memory = false;
        } else if (arg == "-savefonts") {
            qws_savefonts = true;
        } else if (arg == "-nosavefonts") {
            qws_savefonts = false;
        } else if (arg == "-swcursor") {
            qws_sw_cursor = true;
        } else if (arg == "-noswcursor") {
            qws_sw_cursor = false;
        } else if (arg == "-keyboard") {
            flags &= ~QWSServer::DisableKeyboard;
        } else if (arg == "-nokeyboard") {
            flags |= QWSServer::DisableKeyboard;
        } else if (arg == "-mouse") {
            flags &= ~QWSServer::DisableMouse;
        } else if (arg == "-nomouse") {
            flags |= QWSServer::DisableMouse;
        } else if (arg == "-qws") {
            type = QApplication::GuiServer;
        } else if (arg == "-interlaced") {
            qws_screen_is_interlaced = true;
        } else if (arg == "-display") {
            if (++i < argc)
                qws_display_spec = argv[i];
        } else if (arg == "-decoration") {
            if (++i < argc)
                decoration = QString::fromLocal8Bit(argv[i]);
        } else {
            argv[j++] = argv[i];
        }
    }
    if(j < priv->argc) {
        priv->argv[j] = 0;
        priv->argc = j;
    }

    mouseInWidget = new QPointer<QWidget>;

    const QString disp = QString::fromLatin1(qws_display_spec);
    QRegExp regexp(QLatin1String(":(\\d+)$"));
    if (regexp.lastIndexIn(disp) != -1) {
        const QString capture = regexp.cap(1);
        bool ok = false;
        int id = capture.toInt(&ok);
        if (ok)
            qws_display_id = id;
    }

    if (type == QApplication::GuiServer) {
        qt_appType = QApplication::Type(type);
        qws_single_process = true;
        QWSServer::startup(flags);
        setenv("QWS_DISPLAY", qws_display_spec.constData(), 0);
    }

    if(qt_is_gui_used) {
        init_display();
#ifndef QT_NO_QWS_MANAGER
        if (decoration.isEmpty()) {
#ifndef QT_NO_QWS_DECORATION_STYLED
            decoration = QString::fromLatin1("styled");
#else
            decoration = QString::fromLatin1("default");
#endif
        }
        qws_decoration = QApplication::qwsSetDecoration(decoration);
#ifndef QT_NO_QWS_DECORATION_DEFAULT
        if (!qws_decoration)
            QApplication::qwsSetDecoration(new QDecorationDefault);
#endif
#endif // QT_NO_QWS_MANAGER
#ifndef QT_NO_QWS_INPUTMETHODS
        qApp->setInputContext(new QWSInputContext);
#endif
    }

/*### convert interlace style
    if (qws_screen_is_interlaced)
        QApplication::setStyle(new QInterlaceStyle);
*/
}

bool qt_sendSpontaneousEvent(QObject *obj, QEvent *event)
{
    return