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Diffstat (limited to 'src/qml/qml/qqmlglobal_p.h')
| -rw-r--r-- | src/qml/qml/qqmlglobal_p.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/qml/qml/qqmlglobal_p.h b/src/qml/qml/qqmlglobal_p.h new file mode 100644 index 0000000000..c41b823e60 --- /dev/null +++ b/src/qml/qml/qqmlglobal_p.h @@ -0,0 +1,129 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtQml module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQMLGLOBAL_H +#define QQMLGLOBAL_H + +#include <QtCore/qglobal.h> +#include <QtCore/QObject> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + + +#define DEFINE_BOOL_CONFIG_OPTION(name, var) \ + static bool name() \ + { \ + static enum { Yes, No, Unknown } status = Unknown; \ + if (status == Unknown) { \ + QByteArray v = qgetenv(#var); \ + bool value = !v.isEmpty() && v != "0" && v != "false"; \ + if (value) status = Yes; \ + else status = No; \ + } \ + return status == Yes; \ + } + +#define FAST_CONNECT(Sender, Signal, Receiver, Method) \ +{ \ + QObject *sender = (Sender); \ + QObject *receiver = (Receiver); \ + const char *signal = (Signal); \ + const char *method = (Method); \ + static int signalIdx = -1; \ + static int methodIdx = -1; \ + if (signalIdx < 0) { \ + if (((int)(*signal) - '0') == QSIGNAL_CODE) \ + signalIdx = sender->metaObject()->indexOfSignal(signal+1); \ + else \ + qWarning("FAST_CONNECT: Invalid signal %s. Please make sure you are using the SIGNAL macro.", signal); \ + } \ + if (methodIdx < 0) { \ + int code = ((int)(*method) - '0'); \ + if (code == QSLOT_CODE) \ + methodIdx = receiver->metaObject()->indexOfSlot(method+1); \ + else if (code == QSIGNAL_CODE) \ + methodIdx = receiver->metaObject()->indexOfSignal(method+1); \ + else \ + qWarning("FAST_CONNECT: Invalid method %s. Please make sure you are using the SIGNAL or SLOT macro.", method); \ + } \ + QMetaObject::connect(sender, signalIdx, receiver, methodIdx, Qt::DirectConnection); \ +} + +struct QQmlGraphics_DerivedObject : public QObject +{ + void setParent_noEvent(QObject *parent) { + bool sce = d_ptr->sendChildEvents; + d_ptr->sendChildEvents = false; + setParent(parent); + d_ptr->sendChildEvents = sce; + } +}; + +/*! + Returns true if the case of \a fileName is equivalent to the file case of + \a fileName on disk, and false otherwise. + + This is used to ensure that the behavior of QML on a case-insensitive file + system is the same as on a case-sensitive file system. This function + performs a "best effort" attempt to determine the real case of the file. + It may have false positives (say the case is correct when it isn't), but it + should never have a false negative (say the case is incorrect when it is + correct). +*/ +bool QQml_isFileCaseCorrect(const QString &fileName); + +/*! + Makes the \a object a child of \a parent. Note that when using this method, + neither \a parent nor the object's previous parent (if it had one) will + receive ChildRemoved or ChildAdded events. +*/ +inline void QQml_setParent_noEvent(QObject *object, QObject *parent) +{ + static_cast<QQmlGraphics_DerivedObject *>(object)->setParent_noEvent(parent); +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QQMLGLOBAL_H |