diff options
Diffstat (limited to 'src/corelib/kernel/qmetaobject.cpp')
| -rw-r--r-- | src/corelib/kernel/qmetaobject.cpp | 107 |
1 files changed, 90 insertions, 17 deletions
diff --git a/src/corelib/kernel/qmetaobject.cpp b/src/corelib/kernel/qmetaobject.cpp index 08cecaffc..9ff0bc173 100644 --- a/src/corelib/kernel/qmetaobject.cpp +++ b/src/corelib/kernel/qmetaobject.cpp @@ -148,7 +148,9 @@ enum PropertyFlags { Resettable = 0x00000004, EnumOrFlag = 0x00000008, StdCppSet = 0x00000100, -// Override = 0x00000200, +// Override = 0x00000200, + Constant = 0x00000400, + Final = 0x00000800, Designable = 0x00001000, ResolveDesignable = 0x00002000, Scriptable = 0x00004000, @@ -179,6 +181,10 @@ enum MethodFlags { MethodScriptable = 0x40 }; +enum MetaObjectFlags { + DynamicMetaObject = 0x01 +}; + struct QMetaObjectPrivate { int revision; @@ -188,6 +194,7 @@ struct QMetaObjectPrivate int propertyCount, propertyData; int enumeratorCount, enumeratorData; int constructorCount, constructorData; + int flags; }; static inline const QMetaObjectPrivate *priv(const uint* data) @@ -277,6 +284,17 @@ int QMetaObject::static_metacall(Call cl, int idx, void **argv) const } /*! + \internal +*/ +int QMetaObject::metacall(QObject *object, Call cl, int idx, void **argv) +{ + if (QMetaObject *mo = object->d_ptr->metaObject) + return static_cast<QAbstractDynamicMetaObject*>(mo)->metaCall(cl, idx, argv); + else + return object->qt_metacall(cl, idx, argv); +} + +/*! \fn const char *QMetaObject::className() const Returns the class name. @@ -696,6 +714,14 @@ int QMetaObject::indexOfProperty(const char *name) const } m = m->d.superdata; } + + if (i == -1 && priv(this->d.data)->revision >= 3 && (priv(this->d.data)->flags & DynamicMetaObject)){ + QAbstractDynamicMetaObject *me = + const_cast<QAbstractDynamicMetaObject *>(static_cast<const QAbstractDynamicMetaObject *>(this)); + + i = me->createProperty(name, 0); + } + return i; } @@ -1326,6 +1352,16 @@ int QMetaMethod::attributes() const } /*! + Returns this method's index. +*/ +int QMetaMethod::methodIndex() const +{ + if (!mobj) + return -1; + return ((handle - priv(mobj->d.data)->methodData) / 5) + mobj->methodOffset(); +} + +/*! Returns the access specification of this method (private, protected, or public). @@ -1525,7 +1561,7 @@ bool QMetaMethod::invoke(QObject *object, // recompute the methodIndex by reversing the arithmetic in QMetaObject::property() int methodIndex = ((handle - priv(mobj->d.data)->methodData) / 5) + mobj->methodOffset(); if (connectionType == Qt::DirectConnection) { - return object->qt_metacall(QMetaObject::InvokeMetaMethod, methodIndex, param) < 0; + return QMetaObject::metacall(object, QMetaObject::InvokeMetaMethod, methodIndex, param) < 0; } else { if (returnValue.data()) { qWarning("QMetaMethod::invoke: Unable to invoke methods with return values in " @@ -2040,6 +2076,16 @@ int QMetaProperty::userType() const } /*! + Returns this property's index. +*/ +int QMetaProperty::propertyIndex() const +{ + if (!mobj) + return -1; + return idx + mobj->propertyOffset(); +} + +/*! Returns true if the property's type is an enumeration value that is used as a flag; otherwise returns false. @@ -2151,9 +2197,8 @@ QVariant QMetaProperty::read(const QObject *object) const value = QVariant(t, (void*)0); argv[0] = value.data(); } - const_cast<QObject*>(object)->qt_metacall(QMetaObject::ReadProperty, - idx + mobj->propertyOffset(), - argv); + QMetaObject::metacall(const_cast<QObject*>(object), QMetaObject::ReadProperty, + idx + mobj->propertyOffset(), argv); if (status != -1) return value; @@ -2224,7 +2269,7 @@ bool QMetaProperty::write(QObject *object, const QVariant &value) const argv[0] = &v; else argv[0] = v.data(); - object->qt_metacall(QMetaObject::WriteProperty, idx + mobj->propertyOffset(), argv); + QMetaObject::metacall(object, QMetaObject::WriteProperty, idx + mobj->propertyOffset(), argv); return status; } @@ -2241,7 +2286,7 @@ bool QMetaProperty::reset(QObject *object) const if (!object || !mobj || !isResettable()) return false; void *argv[] = { 0 }; - object->qt_metacall(QMetaObject::ResetProperty, idx + mobj->propertyOffset(), argv); + QMetaObject::metacall(object, QMetaObject::ResetProperty, idx + mobj->propertyOffset(), argv); return true; } @@ -2355,8 +2400,8 @@ bool QMetaProperty::isDesignable(const QObject *object) const bool b = flags & Designable; if (object) { void *argv[] = { &b }; - const_cast<QObject*>(object)->qt_metacall(QMetaObject::QueryPropertyDesignable, - idx + mobj->propertyOffset(), argv); + QMetaObject::metacall(const_cast<QObject*>(object), QMetaObject::QueryPropertyDesignable, + idx + mobj->propertyOffset(), argv); } return b; @@ -2381,8 +2426,8 @@ bool QMetaProperty::isScriptable(const QObject *object) const bool b = flags & Scriptable; if (object) { void *argv[] = { &b }; - const_cast<QObject*>(object)->qt_metacall(QMetaObject::QueryPropertyScriptable, - idx + mobj->propertyOffset(), argv); + QMetaObject::metacall(const_cast<QObject*>(object), QMetaObject::QueryPropertyScriptable, + idx + mobj->propertyOffset(), argv); } return b; } @@ -2405,8 +2450,8 @@ bool QMetaProperty::isStored(const QObject *object) const bool b = flags & Stored; if (object) { void *argv[] = { &b }; - const_cast<QObject*>(object)->qt_metacall(QMetaObject::QueryPropertyStored, - idx + mobj->propertyOffset(), argv); + QMetaObject::metacall(const_cast<QObject*>(object), QMetaObject::QueryPropertyStored, + idx + mobj->propertyOffset(), argv); } return b; } @@ -2432,13 +2477,41 @@ bool QMetaProperty::isUser(const QObject *object) const bool b = flags & User; if (object) { void *argv[] = { &b }; - const_cast<QObject*>(object)->qt_metacall(QMetaObject::QueryPropertyUser, - idx + mobj->propertyOffset(), argv); + QMetaObject::metacall(const_cast<QObject*>(object), QMetaObject::QueryPropertyUser, + idx + mobj->propertyOffset(), argv); } return b; } /*! + Returns true if the property is constant; otherwise returns false. + + A property is constant if the \c{Q_PROPERTY()}'s \c CONSTANT attribute + is set. +*/ +bool QMetaProperty::isConstant() const +{ + if (!mobj) + return false; + int flags = mobj->d.data[handle + 2]; + return flags & Constant; +} + +/*! + Returns true if the property is final; otherwise returns false. + + A property is final if the \c{Q_PROPERTY()}'s \c FINAL attribute + is set. +*/ +bool QMetaProperty::isFinal() const +{ + if (!mobj) + return false; + int flags = mobj->d.data[handle + 2]; + return flags & Final; +} + +/*! \obsolete Returns true if the property is editable for the given \a object; @@ -2458,8 +2531,8 @@ bool QMetaProperty::isEditable(const QObject *object) const bool b = flags & Editable; if (object) { void *argv[] = { &b }; - const_cast<QObject*>(object)->qt_metacall(QMetaObject::QueryPropertyEditable, - idx + mobj->propertyOffset(), argv); + QMetaObject::metacall(const_cast<QObject*>(object), QMetaObject::QueryPropertyEditable, + idx + mobj->propertyOffset(), argv); } return b; } |