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50 
51 //
52 //  W A R N I N G
53 //  -------------
54 //
55 // This file is not part of the Qt API.  It exists for the convenience
56 // of Qt Designer.  This header
57 // file may change from version to version without notice, or even be removed.
58 //
59 // We mean it.
60 //
61 
62 #ifndef UILIBPROPERTIES_H
63 #define UILIBPROPERTIES_H
64 
65 #include "uilib_global.h"
66 
67 #include <QtCore/qobject.h>
68 #include <QtCore/qmetaobject.h>
69 #include <QtCore/qlocale.h>
70 #include <QtCore/qcoreapplication.h>
71 
72 #include <QtWidgets/qwidget.h>
73 
74 #include "formbuilderextra_p.h"
75 
76 QT_BEGIN_NAMESPACE
77 
78 #ifdef QFORMINTERNAL_NAMESPACE
79 namespace QFormInternal
80 {
81 #endif
82 
83 class QAbstractFormBuilder;
84 class DomProperty;
85 
86 QDESIGNER_UILIB_EXPORT DomProperty *variantToDomProperty(QAbstractFormBuilder *abstractFormBuilder, const QMetaObject *meta, const QString &propertyName, const QVariant &value);
87 
88 
89 QDESIGNER_UILIB_EXPORT QVariant domPropertyToVariant(const DomProperty *property);
90 QDESIGNER_UILIB_EXPORT QVariant domPropertyToVariant(QAbstractFormBuilder *abstractFormBuilder, const QMetaObject *meta, const  DomProperty *property);
91 
92 // This class exists to provide meta information
93 // for enumerations only.
94 class QAbstractFormBuilderGadget: public QWidget
95 {
96     Q_OBJECT
Q_PROPERTY(Qt::ItemFlags itemFlags READ fakeItemFlags)97     Q_PROPERTY(Qt::ItemFlags itemFlags READ fakeItemFlags)
98     Q_PROPERTY(Qt::CheckState checkState READ fakeCheckState)
99     Q_PROPERTY(Qt::Alignment textAlignment READ fakeAlignment)
100     Q_PROPERTY(Qt::Orientation orientation READ fakeOrientation)
101     Q_PROPERTY(QSizePolicy::Policy sizeType READ fakeSizeType)
102     Q_PROPERTY(QPalette::ColorRole colorRole READ fakeColorRole)
103     Q_PROPERTY(QPalette::ColorGroup colorGroup READ fakeColorGroup)
104     Q_PROPERTY(QFont::StyleStrategy styleStrategy READ fakeStyleStrategy)
105     Q_PROPERTY(Qt::CursorShape cursorShape READ fakeCursorShape)
106     Q_PROPERTY(Qt::BrushStyle brushStyle READ fakeBrushStyle)
107     Q_PROPERTY(Qt::ToolBarArea toolBarArea READ fakeToolBarArea)
108     Q_PROPERTY(QGradient::Type gradientType READ fakeGradientType)
109     Q_PROPERTY(QGradient::Spread gradientSpread READ fakeGradientSpread)
110     Q_PROPERTY(QGradient::CoordinateMode gradientCoordinate READ fakeGradientCoordinate)
111     Q_PROPERTY(QLocale::Language language READ fakeLanguage)
112     Q_PROPERTY(QLocale::Country country READ fakeCountry)
113 public:
114     QAbstractFormBuilderGadget() { Q_ASSERT(0); }
115 
fakeOrientation()116     Qt::Orientation fakeOrientation() const     { Q_ASSERT(0); return Qt::Horizontal; }
fakeSizeType()117     QSizePolicy::Policy fakeSizeType() const    { Q_ASSERT(0); return QSizePolicy::Expanding; }
fakeColorGroup()118     QPalette::ColorGroup fakeColorGroup() const { Q_ASSERT(0); return static_cast<QPalette::ColorGroup>(0); }
fakeColorRole()119     QPalette::ColorRole fakeColorRole() const   { Q_ASSERT(0); return static_cast<QPalette::ColorRole>(0); }
fakeStyleStrategy()120     QFont::StyleStrategy fakeStyleStrategy() const     { Q_ASSERT(0); return QFont::PreferDefault; }
fakeCursorShape()121     Qt::CursorShape fakeCursorShape() const     { Q_ASSERT(0); return Qt::ArrowCursor; }
fakeBrushStyle()122     Qt::BrushStyle fakeBrushStyle() const       { Q_ASSERT(0); return Qt::NoBrush; }
fakeToolBarArea()123     Qt::ToolBarArea fakeToolBarArea() const {  Q_ASSERT(0); return Qt::NoToolBarArea; }
fakeGradientType()124     QGradient::Type fakeGradientType() const    { Q_ASSERT(0); return QGradient::NoGradient; }
fakeGradientSpread()125     QGradient::Spread fakeGradientSpread() const  { Q_ASSERT(0); return QGradient::PadSpread; }
fakeGradientCoordinate()126     QGradient::CoordinateMode fakeGradientCoordinate() const  { Q_ASSERT(0); return QGradient::LogicalMode; }
fakeLanguage()127     QLocale::Language fakeLanguage() const  { Q_ASSERT(0); return QLocale::C; }
fakeCountry()128     QLocale::Country fakeCountry() const  { Q_ASSERT(0); return QLocale::AnyCountry; }
fakeItemFlags()129     Qt::ItemFlags fakeItemFlags() const         { Q_ASSERT(0); return Qt::NoItemFlags; }
fakeCheckState()130     Qt::CheckState fakeCheckState() const       { Q_ASSERT(0); return Qt::Unchecked; }
fakeAlignment()131     Qt::Alignment fakeAlignment() const         { Q_ASSERT(0); return Qt::AlignLeft; }
132 };
133 
134 // Convert key to value for a given QMetaEnum
135 template <class EnumType>
136 inline EnumType enumKeyToValue(const QMetaEnum &metaEnum,const char *key, const EnumType* = nullptr)
137 {
138     int val = metaEnum.keyToValue(key);
139     if (val == -1) {
140 
141         uiLibWarning(QCoreApplication::translate("QFormBuilder", "The enumeration-value '%1' is invalid. The default value '%2' will be used instead.")
142                     .arg(QString::fromUtf8(key)).arg(QString::fromUtf8(metaEnum.key(0))));
143         val = metaEnum.value(0);
144     }
145     return static_cast<EnumType>(val);
146 }
147 
148 // Convert keys to value for a given QMetaEnum
149 template <class EnumType>
150 inline EnumType enumKeysToValue(const QMetaEnum &metaEnum,const char *keys, const EnumType* = nullptr)
151 {
152     int val = metaEnum.keysToValue(keys);
153     if (val == -1) {
154 
155         uiLibWarning(QCoreApplication::translate("QFormBuilder", "The flag-value '%1' is invalid. Zero will be used instead.")
156                     .arg(QString::fromUtf8(keys)));
157         val = 0;
158     }
159     return static_cast<EnumType>(QFlag(val));
160 }
161 
162 // Access meta enumeration object of a qobject
163 template <class QObjectType>
metaEnum(const char * name)164 inline QMetaEnum metaEnum(const char *name)
165 {
166     const int e_index = QObjectType::staticMetaObject.indexOfProperty(name);
167     Q_ASSERT(e_index != -1);
168     return QObjectType::staticMetaObject.property(e_index).enumerator();
169 }
170 
171 // Convert key to value for enumeration by name
172 template <class QObjectType, class EnumType>
enumKeyOfObjectToValue(const char * enumName,const char * key)173 inline EnumType enumKeyOfObjectToValue(const char *enumName, const char *key)
174 {
175     const QMetaEnum me = metaEnum<QObjectType>(enumName);
176     return enumKeyToValue<EnumType>(me, key);
177 }
178 
179 #ifdef QFORMINTERNAL_NAMESPACE
180 }
181 #endif
182 
183 QT_END_NAMESPACE
184 
185 #endif // UILIBPROPERTIES_H
186