Make QVector3D a first-class builtin type within QML

Reviewed-by: Martin Jones

8 files changed, 84 insertions, 0 deletions

diff --git a/src/declarative/qml/qmlbinding.cpp b/src/declarative/qml/qmlbinding.cpp
index 45d20f4..39851ff 100644
--- a/src/declarative/qml/qmlbinding.cpp
+++ b/src/declarative/qml/qmlbinding.cpp
@@ -49,6 +49,7 @@
 #include <QtCore/qdebug.h>
 #include <private/qmlcontext_p.h>
 #include <private/qmldeclarativedata_p.h>
+#include <private/qmlstringconverters_p.h>
 
 Q_DECLARE_METATYPE(QList<QObject *>);
 
@@ -129,6 +130,11 @@ void QmlBinding::update()
                 (value.type() == QVariant::String || value.type() == QVariant::ByteArray) && !value.isNull()) 
                 value.setValue(context()->resolvedUrl(QUrl(value.toString())));
 
+            if (d->property.propertyType() == QVariant::Vector3D &&
+                value.type() == QVariant::String) {
+                value = qVariantFromValue(QmlStringConverters::vector3DFromString(value.toString()));
+            }
+
             d->property.write(value);
         }
 
diff --git a/src/declarative/qml/qmlcompiler.cpp b/src/declarative/qml/qmlcompiler.cpp
index afc8698..1fb4b46 100644
--- a/src/declarative/qml/qmlcompiler.cpp
+++ b/src/declarative/qml/qmlcompiler.cpp
@@ -297,6 +297,13 @@ bool QmlCompiler::testLiteralAssignment(const QMetaProperty &prop,
             if (!v->value.isBoolean()) COMPILE_EXCEPTION(v, "Invalid property assignment: boolean expected");
             }
             break;
+        case QVariant::Vector3D:
+            {
+            bool ok;
+            QVector3D point = QmlStringConverters::vector3DFromString(string, &ok);
+            if (!ok) COMPILE_EXCEPTION(v, "Invalid property assignment: 3D vector expected");
+            }
+            break;
         default:
             {
             int t = prop.type();
@@ -487,6 +494,18 @@ void QmlCompiler::genLiteralAssignment(const QMetaProperty &prop,
             instr.storeBool.value = b;
             }
             break;
+        case QVariant::Vector3D:
+            {
+            bool ok;
+            QVector3D vector =
+                QmlStringConverters::vector3DFromString(string, &ok);
+            float data[] = { vector.x(), vector.y(), vector.z() };
+            int index = output->indexForFloat(data, 3);
+            instr.type = QmlInstruction::StoreVector3D;
+            instr.storeRealPair.propertyIndex = prop.propertyIndex();
+            instr.storeRealPair.valueIndex = index;
+            }
+            break;
         default:
             {
             int t = prop.type();
diff --git a/src/declarative/qml/qmlinstruction.cpp b/src/declarative/qml/qmlinstruction.cpp
index fd912ac..02e4883 100644
--- a/src/declarative/qml/qmlinstruction.cpp
+++ b/src/declarative/qml/qmlinstruction.cpp
@@ -119,6 +119,9 @@ void QmlCompiledData::dump(QmlInstruction *instr, int idx)
     case QmlInstruction::StoreRectF:
         qWarning() << idx << "\t" << line << "\t" << "STORE_RECTF\t\t" << instr->storeRect.propertyIndex << "\t" << instr->storeRect.valueIndex;
         break;
+    case QmlInstruction::StoreVector3D:
+        qWarning() << idx << "\t" << line << "\t" << "STORE_VECTOR3D\t\t" << instr->storeVector3D.propertyIndex << "\t" << instr->storeVector3D.valueIndex;
+        break;
     case QmlInstruction::StoreVariant:
         qWarning() << idx << "\t" << line << "\t" << "STORE_VARIANT\t\t" << instr->storeString.propertyIndex << "\t" << instr->storeString.value << "\t\t" << primitives.at(instr->storeString.value);
         break;
diff --git a/src/declarative/qml/qmlinstruction_p.h b/src/declarative/qml/qmlinstruction_p.h
index 7f3498f..0f2995a 100644
--- a/src/declarative/qml/qmlinstruction_p.h
+++ b/src/declarative/qml/qmlinstruction_p.h
@@ -111,6 +111,7 @@ public:
         StoreSizeF,               /* storeRealPair */
         StoreRect,                /* storeRect */
         StoreRectF,               /* storeRect */
+        StoreVector3D,            /* storeVector3D */
         StoreVariant,             /* storeString */
         StoreObject,              /* storeObject */
         StoreVariantObject,       /* storeObject */
@@ -263,6 +264,10 @@ public:
         } storeRect;
         struct {
             int propertyIndex;
+            int valueIndex;
+        } storeVector3D;
+        struct {
+            int propertyIndex;
         } storeObject;
         struct {
             int propertyIndex;
diff --git a/src/declarative/qml/qmlmetatype.cpp b/src/declarative/qml/qmlmetatype.cpp
index 091bd1b..ab64079 100644
--- a/src/declarative/qml/qmlmetatype.cpp
+++ b/src/declarative/qml/qmlmetatype.cpp
@@ -75,6 +75,7 @@
 # include <qpoint.h>
 # include <qrect.h>
 # include <qline.h>
+# include <qvector3d.h>
 #endif
 #define NS(x) QT_PREPEND_NAMESPACE(x)
 
@@ -1028,6 +1029,9 @@ bool QmlMetaType::copy(int type, void *data, const void *copy)
         case QMetaType::QPointF:
             *static_cast<NS(QPointF) *>(data) = *static_cast<const NS(QPointF)*>(copy);
             return true;
+        case QMetaType::QVector3D:
+            *static_cast<NS(QVector3D) *>(data) = *static_cast<const NS(QVector3D)*>(copy);
+            return true;
 #endif
 #ifndef QT_NO_REGEXP
         case QMetaType::QRegExp:
@@ -1155,6 +1159,9 @@ bool QmlMetaType::copy(int type, void *data, const void *copy)
         case QMetaType::QPointF:
             *static_cast<NS(QPointF) *>(data) = NS(QPointF)();
             return true;
+        case QMetaType::QVector3D:
+            *static_cast<NS(QVector3D) *>(data) = NS(QVector3D)();
+            return true;
 #endif
 #ifndef QT_NO_REGEXP
         case QMetaType::QRegExp:
diff --git a/src/declarative/qml/qmlstringconverters.cpp b/src/declarative/qml/qmlstringconverters.cpp
index c1f4b8c..34025c5 100644
--- a/src/declarative/qml/qmlstringconverters.cpp
+++ b/src/declarative/qml/qmlstringconverters.cpp
@@ -40,6 +40,7 @@
 ****************************************************************************/
 
 #include <QtGui/qcolor.h>
+#include <QtGui/qvector3d.h>
 #include <QtCore/qpoint.h>
 #include <QtCore/qrect.h>
 #include <QtCore/qsize.h>
@@ -94,6 +95,8 @@ QVariant QmlStringConverters::variantFromString(const QString &s)
     if (ok) return QVariant(sz);
     bool b = boolFromString(s, &ok);
     if (ok) return QVariant(b);
+    QVector3D v = vector3DFromString(s, &ok);
+    if (ok) return qVariantFromValue(v);
 
     return QVariant(s);
 }
@@ -209,4 +212,30 @@ bool QmlStringConverters::boolFromString(const QString &str, bool *ok)
     return true;
 }
 
+//expects input of "x,y,z"
+QVector3D QmlStringConverters::vector3DFromString(const QString &s, bool *ok)
+{
+    if (s.count(QLatin1Char(',')) != 2) {
+        if (ok)
+            *ok = false;
+        return QVector3D();
+    }
+
+    bool xGood, yGood, zGood;
+    int index = s.indexOf(QLatin1Char(','));
+    int index2 = s.indexOf(QLatin1Char(','), index+1);
+    qreal xCoord = s.left(index).toDouble(&xGood);
+    qreal yCoord = s.mid(index+1, index2-index-1).toDouble(&yGood);
+    qreal zCoord = s.mid(index2+1).toDouble(&zGood);
+    if (!xGood || !yGood || !zGood) {
+        if (ok)
+            *ok = false;
+        return QVector3D();
+    }
+
+    if (ok)
+        *ok = true;
+    return QVector3D(xCoord, yCoord, zCoord);
+}
+
 QT_END_NAMESPACE
diff --git a/src/declarative/qml/qmlstringconverters_p.h b/src/declarative/qml/qmlstringconverters_p.h
index 52426a7..ab7448c 100644
--- a/src/declarative/qml/qmlstringconverters_p.h
+++ b/src/declarative/qml/qmlstringconverters_p.h
@@ -60,6 +60,7 @@ class QSizeF;
 class QRectF;
 class QString;
 class QByteArray;
+class QVector3D;
 
 QT_BEGIN_NAMESPACE
 
@@ -72,6 +73,7 @@ namespace QmlStringConverters
     QSizeF Q_DECLARATIVE_EXPORT sizeFFromString(const QString &, bool *ok = 0);
     QRectF Q_DECLARATIVE_EXPORT rectFFromString(const QString &, bool *ok = 0);
     bool Q_DECLARATIVE_EXPORT boolFromString(const QString &, bool *ok = 0);
+    QVector3D Q_DECLARATIVE_EXPORT vector3DFromString(const QString &, bool *ok = 0);
 };
 
 QT_END_NAMESPACE
diff --git a/src/declarative/qml/qmlvme.cpp b/src/declarative/qml/qmlvme.cpp
index 79b1d89..7455eb4 100644
--- a/src/declarative/qml/qmlvme.cpp
+++ b/src/declarative/qml/qmlvme.cpp
@@ -439,6 +439,19 @@ QObject *QmlVME::run(QStack<QObject *> &stack, QmlContext *ctxt, QmlCompiledData
             }
             break;
 
+        case QmlInstruction::StoreVector3D:
+            {
+                QObject *target = stack.top();
+                void *a[1];
+                QVector3D p(floatData.at(instr.storeVector3D.valueIndex),
+                            floatData.at(instr.storeVector3D.valueIndex+1),
+                            floatData.at(instr.storeVector3D.valueIndex+2));
+                a[0] = (void *)&p;
+                QMetaObject::metacall(target, QMetaObject::WriteProperty, 
+                                      instr.storeVector3D.propertyIndex, a);
+            }
+            break;
+
         case QmlInstruction::StoreObject:
             {
                 QObject *assignObj = stack.pop();