C++ QVariant::asString方法代码示例

QString KasTaskItem::expandMacros( const QString &format, QObject *data )
{
    QString s = format;
    QRegExp re("\\$(\\w+)");

    int pos = 0;
    while ( pos >= 0 ) {
        pos = re.search( s, pos );
        if ( pos >= 0 ) {
	    QVariant val = data->property( re.cap(1).latin1() );
	    QString v = val.asString();
	    s.replace( pos, re.matchedLength(), v );
            pos = pos + v.length();
        }
    }

    return s;
}

static int outputObject( QMap<int, QStringList>& buddies,
			 UibIndexMap& objects, UibStrTable& strings,
			 QDataStream& out, QDomElement elem,
			 QCString className )
{
    bool isQObject = !className.isEmpty();

    if ( className == "QToolBar" )
	out << (Q_UINT8) elem.attribute( "dock", "0" ).toInt();
    if ( className == "QWidget" )
	className = elem.attribute( "class", className ).latin1();

    int objectNo = -1;
    if ( isQObject ) {
	packCString( strings, out, className );
	objectNo = objects.insert();
    }

    outputGridCell( out, elem );

    // optimization: insert '&Foo' into string-table before 'Foo'
    if ( className == "QAction" || className == "QActionGroup" ) {
	QVariant value = DomTool::readProperty( elem, "menuText", QVariant() );
	if ( value.asString().startsWith("&") )
	    strings.insertString( value.asString() );
    }

    QDomElement f = elem.firstChild().toElement();
    while ( !f.isNull() ) {
	QString tag = f.tagName();
	if ( tag == "action" ) {
	    if ( elem.tagName() == "item" || elem.tagName() == "toolbar" ) {
		QString actionName = f.attribute( "name" );
		int no = objects.find( actionName );
		if ( no != -1 ) {
		    out << (Q_UINT8) Object_ActionRef;
		    packUInt16( out, no );
		}
	    } else {
		out << (Q_UINT8) Object_SubAction;
		outputObject( buddies, objects, strings, out, f, "QAction" );
	    }
	} else if ( tag == "actiongroup" ) {
	    out << (Q_UINT8) Object_SubAction;
	    outputObject( buddies, objects, strings, out, f, "QActionGroup" );
	} else if ( tag == "attribute" ) {
	    out << (Q_UINT8) Object_Attribute;
	    outputProperty( buddies, objectNo, strings, out, f );
	} else if ( tag == "column" ) {
	    out << (Q_UINT8) Object_Column;
	    outputObject( buddies, objects, strings, out, f );
	} else if ( tag == "event" ) {
	    out << (Q_UINT8) Object_Event;
	    packCString( strings, out, f.attribute("name").latin1() );
	    packVariant( strings, out,
			 QStringList::split(',', f.attribute("functions")) );
	} else if ( tag == "grid" || tag == "hbox" || tag == "vbox" ) {
	    out << (Q_UINT8) Object_SubLayout;
	    outputObject( buddies, objects, strings, out, f,
			  layoutForTag(tag) );
	} else if ( tag == "item" ) {
	    if ( elem.tagName() == "menubar" ) {
		out << (Q_UINT8) Object_MenuItem;
		packCString( strings, out, f.attribute("name").latin1() );
		packCString( strings, out, f.attribute("text").utf8() );
		outputObject( buddies, objects, strings, out, f );
	    } else {
		out << (Q_UINT8) Object_Item;
		outputObject( buddies, objects, strings, out, f );
	    }
	} else if ( tag == "property" ) {
	    outputProperty( buddies, objectNo, strings, out, f );
	} else if ( tag == "row" ) {
	    out << (Q_UINT8) Object_Row;
	    outputObject( buddies, objects, strings, out, f );
	} else if ( tag == "separator" ) {
	    out << (Q_UINT8) Object_Separator;
	} else if ( tag == "spacer" ) {
	    out << (Q_UINT8) Object_Spacer;
	    outputObject( buddies, objects, strings, out, f );
	} else if ( tag == "widget" ) {
	    if ( f.attribute("class") == "QLayoutWidget" &&
		 elem.tagName() != "widget" ) {
		outputLayoutWidgetsSubLayout( buddies, objects, strings, out,
					      f );
	    } else {
		out << (Q_UINT8) Object_SubWidget;
		outputObject( buddies, objects, strings, out, f, "QWidget" );
	    }
	}
	f = f.nextSibling().toElement();
    }
    out << (Q_UINT8) Object_End;
    if ( isQObject )
	objects.setName( objectNo,
			 DomTool::readProperty(elem, "name", "").asString() );
    return objectNo;
}

static void outputProperty( QMap<int, QStringList>& buddies, int objectNo,
			    UibStrTable& strings, QDataStream& out,
			    QDomElement elem )
{
    QCString name = elem.attribute( "name" ).latin1();
    QDomElement f = elem.firstChild().toElement();
    QString tag = f.tagName();
    QString comment;
    QVariant value;

    if ( name == "resizeable" )
	name = "resizable";

    if ( tag == "font" ) {
	QString family;
	Q_UINT16 pointSize = 65535;
	Q_UINT8 fontFlags = 0;

	QDomElement g = f.firstChild().toElement();
	while ( !g.isNull() ) {
	    QString text = g.firstChild().toText().data();
	    if ( g.tagName() == "family" ) {
		fontFlags |= Font_Family;
		family = text;
	    } else if ( g.tagName() == "pointsize" ) {
		fontFlags |= Font_PointSize;
		pointSize = (Q_UINT16) text.toUInt();
	    } else {
		if ( g.firstChild().toText().data().toInt() != 0 ) {
		    if ( g.tagName() == "bold" ) {
			fontFlags |= Font_Bold;
		    } else if ( g.tagName() == "italic" ) {
			fontFlags |= Font_Italic;
		    } else if ( g.tagName() == "underline" ) {
			fontFlags |= Font_Underline;
		    } else if ( g.tagName() == "strikeout" ) {
			fontFlags |= Font_StrikeOut;
		    }
		}
	    }
	    g = g.nextSibling().toElement();
	}

	out << (Q_UINT8) Object_FontProperty;
	packCString( strings, out, name );
	out << fontFlags;
	if ( fontFlags & Font_Family )
	    packString( strings, out, family );
	if ( fontFlags & Font_PointSize )
	    packUInt16( out, pointSize );
    } else if ( tag == "palette" ) {
	out << (Q_UINT8) Object_PaletteProperty;
	packCString( strings, out, name );

	QDomElement g = f.firstChild().toElement();
	while ( !g.isNull() ) {
	    QDomElement h = g.firstChild().toElement();
	    while ( !h.isNull() ) {
		value = DomTool::elementToVariant( h, Qt::gray );
		if ( h.tagName() == "color" ) {
		    out << (Q_UINT8) Palette_Color;
		    out << value.asColor();
		} else if ( h.tagName() == "pixmap" ) {
		    out << (Q_UINT8) Palette_Pixmap;
		    packVariant( strings, out, value, "pixmap" );
		}
		h = h.nextSibling().toElement();
	    }

	    if ( g.tagName() == "active" ) {
		out << (Q_UINT8) Palette_Active;
	    } else if ( g.tagName() == "inactive" ) {
		out << (Q_UINT8) Palette_Inactive;
	    } else {
		out << (Q_UINT8) Palette_Disabled;
	    }
	    g = g.nextSibling().toElement();
	}
	out << (Q_UINT8) Palette_End;
    } else {
	value = DomTool::elementToVariant( f, value, comment );
	if ( value.isValid() ) {
	    if ( name == "buddy" ) {
		buddies[objectNo] += value.asString();
	    } else {
		if ( tag == "string" ) {
		    out << (Q_UINT8) Object_TextProperty;
		    packCString( strings, out, name );
		    packCString( strings, out, value.asString().utf8() );
		    packCString( strings, out, comment.utf8() );
		} else {
		    out << (Q_UINT8) Object_VariantProperty;
		    packCString( strings, out, name );
		    packVariant( strings, out, value, tag );
		}
	    }
	}
    }
}

static void packVariant( UibStrTable& strings, QDataStream& out,
			 QVariant value, QString tag = "" )
{
    QStringList::ConstIterator s;

    Q_UINT8 type = value.type();
    if ( tag == "pixmap" ) {
	type = QVariant::Pixmap;
    } else if ( tag == "image" ) {
	type = QVariant::Image;
    } else if ( tag == "iconset" ) {
	type = QVariant::IconSet;
    }
    out << type;

    switch ( type ) {
    case QVariant::String:
    case QVariant::Pixmap:
    case QVariant::Image:
    case QVariant::IconSet:
	packString( strings, out, value.asString() );
	break;
    case QVariant::StringList:
	packUInt16( out, value.asStringList().count() );
	s = value.asStringList().begin();
	while ( s != value.asStringList().end() ) {
	    packString( strings, out, *s );
	    ++s;
	}
	break;
    case QVariant::Font:
	out << value.asFont();
	break;
    case QVariant::Rect:
	packUInt16( out, value.asRect().x() );
	packUInt16( out, value.asRect().y() );
	packUInt16( out, value.asRect().width() );
	packUInt16( out, value.asRect().height() );
	break;
    case QVariant::Size:
	packUInt16( out, value.asSize().width() );
	packUInt16( out, value.asSize().height() );
	break;
    case QVariant::Color:
	out << value.asColor();
	break;
    case QVariant::Point:
	packUInt16( out, value.asPoint().x() );
	packUInt16( out, value.asPoint().y() );
	break;
    case QVariant::Int:
	packUInt32( out, value.asInt() );
	break;
    case QVariant::Bool:
	out << (Q_UINT8) value.asBool();
	break;
    case QVariant::Double:
	out << value.asDouble();
	break;
    case QVariant::CString:
	packCString( strings, out, value.asCString() );
	break;
    case QVariant::Cursor:
	out << value.asCursor();
	break;
    case QVariant::Date:
	out << value.asDate();
	break;
    case QVariant::Time:
	out << value.asTime();
	break;
    case QVariant::DateTime:
	out << value.asDateTime();
	break;
    default:
	out << value;
    }
}

void FlowPart::varNameChanged(QVariant newValue, QVariant oldValue) {
	if (!m_pFlowCodeDocument)
		return;

	m_pFlowCodeDocument->varNameChanged(newValue.asString(), oldValue.asString());
}