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-rw-r--r--src/gui/graphicsview/qgraphicsitem.cpp252
-rw-r--r--src/gui/graphicsview/qgraphicsitem.h18
-rw-r--r--src/gui/graphicsview/qgraphicsitem_p.h12
-rw-r--r--src/gui/graphicsview/qgraphicsproxywidget.cpp2
-rw-r--r--src/gui/graphicsview/qgraphicsproxywidget.h2
-rw-r--r--src/gui/graphicsview/qgraphicswidget.h6
6 files changed, 282 insertions, 10 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index 30c15bc..201dfb8 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -873,7 +873,12 @@ QGraphicsItem::~QGraphicsItem()
}
if (d_ptr->scene)
d_ptr->scene->d_func()->_q_removeItemLater(this);
-
+
+ if (d_ptr->hasTransform) {
+ delete static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ }
+
delete d_ptr;
qt_dataStore()->data.remove(this);
@@ -2471,7 +2476,24 @@ QTransform QGraphicsItem::transform() const
{
if (!d_ptr->hasTransform)
return QTransform();
- return qVariantValue<QTransform>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform));
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ Q_ASSERT(transformData);
+ if (transformData->dirty) {
+ QGraphicsItem *that = const_cast<QGraphicsItem *>(this);
+ QTransform newTransform;
+ QPointF center = transformData->transformCenter;
+ newTransform.translate(center.x(), center.y());
+ newTransform.rotate(transformData->rotationZ, Qt::ZAxis);
+ newTransform.rotate(transformData->rotationY, Qt::YAxis);
+ newTransform.rotate(transformData->rotationX, Qt::XAxis);
+ newTransform.scale(transformData->scaleX, transformData->scaleY);
+ newTransform *= transformData->baseTransform;
+ newTransform.translate(-center.x(), -center.y());
+ transformData->transform = newTransform;
+ transformData->dirty = false;
+ }
+ return transformData->transform;
}
/*!
@@ -2749,7 +2771,17 @@ QTransform QGraphicsItem::itemTransform(const QGraphicsItem *other, bool *ok) co
*/
void QGraphicsItem::setMatrix(const QMatrix &matrix, bool combine)
{
- QTransform oldTransform = this->transform();
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData) {
+ if (matrix.isIdentity())
+ return;
+ transformData = new QGraphicsItemPrivate::TransformData;
+ d_ptr->setExtra(QGraphicsItemPrivate::ExtraTransform, qVariantFromValue<void *>(transformData));
+ }
+
+ QTransform oldTransform = transformData->baseTransform;
+
QTransform newTransform;
if (!combine)
newTransform = QTransform(matrix);
@@ -2768,8 +2800,9 @@ void QGraphicsItem::setMatrix(const QMatrix &matrix, bool combine)
// Update and set the new transformation.
d_ptr->fullUpdateHelper(true, true);
prepareGeometryChange();
- d_ptr->hasTransform = !newTransform.isIdentity();
- d_ptr->setExtra(QGraphicsItemPrivate::ExtraTransform, newTransform);
+ transformData->baseTransform = newTransform;
+ transformData->dirty = true;
+ d_ptr->hasTransform = true;
d_ptr->invalidateSceneTransformCache();
// Send post-notification.
@@ -2797,7 +2830,17 @@ void QGraphicsItem::setMatrix(const QMatrix &matrix, bool combine)
*/
void QGraphicsItem::setTransform(const QTransform &matrix, bool combine)
{
- QTransform oldTransform = this->transform();
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData) {
+ if (matrix.isIdentity())
+ return;
+ transformData = new QGraphicsItemPrivate::TransformData;
+ d_ptr->setExtra(QGraphicsItemPrivate::ExtraTransform, qVariantFromValue<void *>(transformData));
+ }
+
+ QTransform oldTransform = transformData->baseTransform;
+
QTransform newTransform;
if (!combine)
newTransform = matrix;
@@ -2816,8 +2859,10 @@ void QGraphicsItem::setTransform(const QTransform &matrix, bool combine)
// Update and set the new transformation.
d_ptr->fullUpdateHelper(true, true);
prepareGeometryChange();
- d_ptr->hasTransform = !newTransform.isIdentity();
- d_ptr->setExtra(QGraphicsItemPrivate::ExtraTransform, newTransform);
+ transformData->baseTransform = newTransform;
+ transformData->dirty = true;
+ d_ptr->hasTransform = true;
+ transform(); // ### update transform, bad!
d_ptr->invalidateSceneTransformCache();
// Send post-notification.
@@ -2903,6 +2948,197 @@ void QGraphicsItem::translate(qreal dx, qreal dy)
setTransform(QTransform::fromTranslate(dx, dy), true);
}
+QPointF QGraphicsItem::transformOrigin() const
+{
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData)
+ return QPointF();
+
+ return transformData->transformCenter;
+}
+
+/*!
+ Set a center for all transformation
+*/
+void QGraphicsItem::setTransformOrigin(const QPointF &center)
+{
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData) {
+ if (center.isNull())
+ return;
+ transformData = new QGraphicsItemPrivate::TransformData;
+ d_ptr->setExtra(QGraphicsItemPrivate::ExtraTransform, qVariantFromValue<void *>(transformData));
+ }
+ if (transformData->transformCenter == center)
+ return;
+
+ d_ptr->fullUpdateHelper(true);
+ prepareGeometryChange();
+
+ transformData->transformCenter = center;
+
+ transformData->dirty = true;
+ d_ptr->hasTransform = true;
+ d_ptr->fullUpdateHelper();
+
+}
+
+qreal QGraphicsItem::xScale() const
+{
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData)
+ return 1;
+
+ return transformData->scaleX;
+}
+
+void QGraphicsItem::setXScale(qreal factor)
+{
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData) {
+ if (factor == 1)
+ return;
+ transformData = new QGraphicsItemPrivate::TransformData;
+ d_ptr->setExtra(QGraphicsItemPrivate::ExtraTransform, qVariantFromValue<void *>(transformData));
+ }
+ if (transformData->scaleX == factor)
+ return;
+
+ d_ptr->fullUpdateHelper(true);
+ prepareGeometryChange();
+
+ transformData->scaleX = factor;
+ transformData->dirty = true;
+ d_ptr->hasTransform = true;
+ d_ptr->invalidateSceneTransformCache();
+}
+
+qreal QGraphicsItem::yScale() const
+{
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData)
+ return 1;
+
+ return transformData->scaleY;
+}
+
+void QGraphicsItem::setYScale(qreal factor)
+{
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData) {
+ if (factor == 1)
+ return;
+ transformData = new QGraphicsItemPrivate::TransformData;
+ d_ptr->setExtra(QGraphicsItemPrivate::ExtraTransform, qVariantFromValue<void *>(transformData));
+ }
+ if (transformData->scaleY == factor)
+ return;
+
+ d_ptr->fullUpdateHelper(true);
+ prepareGeometryChange();
+
+ transformData->scaleY = factor;
+ transformData->dirty = true;
+ d_ptr->hasTransform = true;
+ d_ptr->invalidateSceneTransformCache();
+}
+
+qreal QGraphicsItem::xRotation() const
+{
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData)
+ return 0;
+ return transformData->rotationX;
+}
+
+void QGraphicsItem::setXRotation(qreal angle)
+{
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData) {
+ if (qFuzzyCompare(angle + 1, 1))
+ return;
+ transformData = new QGraphicsItemPrivate::TransformData;
+ d_ptr->setExtra(QGraphicsItemPrivate::ExtraTransform, qVariantFromValue<void *>(transformData));
+ }
+
+ d_ptr->fullUpdateHelper(true);
+ prepareGeometryChange();
+
+ transformData->rotationX = angle;
+
+ transformData->dirty = true;
+ d_ptr->hasTransform = true;
+ d_ptr->invalidateSceneTransformCache();
+}
+
+qreal QGraphicsItem::yRotation() const
+{
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData)
+ return 0;
+ return transformData->rotationY;
+}
+
+void QGraphicsItem::setYRotation(qreal angle)
+{
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData) {
+ if (qFuzzyCompare(angle + 1, 1))
+ return;
+ transformData = new QGraphicsItemPrivate::TransformData;
+ d_ptr->setExtra(QGraphicsItemPrivate::ExtraTransform, qVariantFromValue<void *>(transformData));
+ }
+
+ d_ptr->fullUpdateHelper(true);
+ prepareGeometryChange();
+
+ transformData->rotationY = angle;
+
+ transformData->dirty = true;
+ d_ptr->hasTransform = true;
+ d_ptr->invalidateSceneTransformCache();
+}
+
+qreal QGraphicsItem::zRotation() const
+{
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData)
+ return 0;
+ return transformData->rotationZ;
+}
+
+void QGraphicsItem::setZRotation(qreal angle)
+{
+ QGraphicsItemPrivate::TransformData *transformData = static_cast<QGraphicsItemPrivate::TransformData *>(
+ qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraTransform)));
+ if (!transformData) {
+ if (qFuzzyCompare(angle + 1, 1))
+ return;
+ transformData = new QGraphicsItemPrivate::TransformData;
+ d_ptr->setExtra(QGraphicsItemPrivate::ExtraTransform, qVariantFromValue<void *>(transformData));
+ }
+
+ d_ptr->fullUpdateHelper(true);
+ prepareGeometryChange();
+
+ transformData->rotationZ = angle;
+
+ transformData->dirty = true;
+ d_ptr->hasTransform = true;
+ d_ptr->invalidateSceneTransformCache();
+}
+
/*!
This virtual function is called twice for all items by the
QGraphicsScene::advance() slot. In the first phase, all items are called
diff --git a/src/gui/graphicsview/qgraphicsitem.h b/src/gui/graphicsview/qgraphicsitem.h
index b98882d..1fce3db 100644
--- a/src/gui/graphicsview/qgraphicsitem.h
+++ b/src/gui/graphicsview/qgraphicsitem.h
@@ -239,11 +239,27 @@ public:
QTransform itemTransform(const QGraphicsItem *other, bool *ok = 0) const;
void setTransform(const QTransform &matrix, bool combine = false);
void resetTransform();
-
+
+ // ### obsolete?
void rotate(qreal angle);
void scale(qreal sx, qreal sy);
void shear(qreal sh, qreal sv);
void translate(qreal dx, qreal dy);
+
+ // ### experimental
+ QPointF transformOrigin() const;
+ void setTransformOrigin(const QPointF &center);
+ qreal xScale() const;
+ void setXScale(qreal factor);
+ qreal yScale() const;
+ void setYScale(qreal factor);
+ qreal xRotation() const;
+ void setXRotation(qreal angle);
+ qreal yRotation() const;
+ void setYRotation(qreal angle);
+ qreal zRotation() const;
+ void setZRotation(qreal angle);
+
virtual void advance(int phase);
// Stacking order
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
index 9ce1bbf..e8ab63d 100644
--- a/src/gui/graphicsview/qgraphicsitem_p.h
+++ b/src/gui/graphicsview/qgraphicsitem_p.h
@@ -91,6 +91,15 @@ class Q_AUTOTEST_EXPORT QGraphicsItemPrivate
{
Q_DECLARE_PUBLIC(QGraphicsItem)
public:
+ struct TransformData
+ {
+ TransformData() : rotationX(0),rotationY(0),rotationZ(0),scaleX(1),scaleY(1), dirty(true) {}
+ QTransform baseTransform;
+ QTransform transform;
+ QPointF transformCenter;
+ qreal rotationX,rotationY,rotationZ,scaleX,scaleY;
+ bool dirty;
+ };
enum Extra {
ExtraTransform,
ExtraToolTip,
@@ -224,7 +233,7 @@ public:
}
}
}
-
+
struct ExtraStruct {
ExtraStruct(Extra type, QVariant value)
: type(type), value(value)
@@ -236,6 +245,7 @@ public:
bool operator<(Extra extra) const
{ return type < extra; }
};
+
QList<ExtraStruct> extras;
QGraphicsItemCache *extraItemCache() const;
diff --git a/src/gui/graphicsview/qgraphicsproxywidget.cpp b/src/gui/graphicsview/qgraphicsproxywidget.cpp
index e660879..973254f 100644
--- a/src/gui/graphicsview/qgraphicsproxywidget.cpp
+++ b/src/gui/graphicsview/qgraphicsproxywidget.cpp
@@ -977,6 +977,7 @@ void QGraphicsProxyWidget::contextMenuEvent(QGraphicsSceneContextMenuEvent *even
}
#endif // QT_NO_CONTEXTMENU
+#ifndef QT_NO_DRAGANDDROP
/*!
\reimp
*/
@@ -1097,6 +1098,7 @@ void QGraphicsProxyWidget::dropEvent(QGraphicsSceneDragDropEvent *event)
}
#endif
}
+#endif
/*!
\reimp
diff --git a/src/gui/graphicsview/qgraphicsproxywidget.h b/src/gui/graphicsview/qgraphicsproxywidget.h
index b2c3c8f..ab8c9da 100644
--- a/src/gui/graphicsview/qgraphicsproxywidget.h
+++ b/src/gui/graphicsview/qgraphicsproxywidget.h
@@ -90,10 +90,12 @@ protected:
void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
#endif
+#ifndef QT_NO_DRAGANDDROP
void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
void dragMoveEvent(QGraphicsSceneDragDropEvent *event);
void dropEvent(QGraphicsSceneDragDropEvent *event);
+#endif
void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
diff --git a/src/gui/graphicsview/qgraphicswidget.h b/src/gui/graphicsview/qgraphicswidget.h
index 34f1c5f..05195b6 100644
--- a/src/gui/graphicsview/qgraphicswidget.h
+++ b/src/gui/graphicsview/qgraphicswidget.h
@@ -59,6 +59,7 @@ class QGraphicsLayout;
class QGraphicsSceneMoveEvent;
class QGraphicsWidgetPrivate;
class QGraphicsSceneResizeEvent;
+class QGraphicsWidgetAnimator;
class QStyle;
class QStyleOption;
@@ -81,6 +82,11 @@ class Q_GUI_EXPORT QGraphicsWidget : public QObject, public QGraphicsItem, publi
Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity)
Q_PROPERTY(QPointF pos READ pos WRITE setPos)
Q_PROPERTY(QRectF geometry READ geometry WRITE setGeometry)
+ Q_PROPERTY(qreal xScale READ xScale WRITE setXScale)
+ Q_PROPERTY(qreal yScale READ yScale WRITE setYScale)
+ Q_PROPERTY(qreal zRotation READ zRotation WRITE setZRotation)
+ Q_PROPERTY(qreal xRotation READ xRotation WRITE setXRotation)
+ Q_PROPERTY(qreal yRotation READ yRotation WRITE setYRotation)
public:
QGraphicsWidget(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
generated by cgit v0.12 at 2024-12-30 22:26:53 (GMT)