Commit 40b62e1c authored by Marco Bubke's avatar Marco Bubke
Browse files

QmlDesigner: Add GraphicalNodeInstance as abstraction for item and window



Change-Id: Icaba711464f672a3bfbb9d83a449d47e72ba11ff
Reviewed-by: default avatarThomas Hartmann <Thomas.Hartmann@digia.com>
parent a50f4073
#include "graphicalnodeinstance.h"
#include "qt5nodeinstanceserver.h"
#include <QQmlExpression>
#include <cmath>
#include <QQuickView>
#include <private/qquickitem_p.h>
#include <private/qquicktextinput_p.h>
#include <private/qquicktextedit_p.h>
namespace QmlDesigner {
namespace Internal {
bool GraphicalNodeInstance::s_createEffectItem = false;
GraphicalNodeInstance::GraphicalNodeInstance(QObject *object)
: ObjectNodeInstance(object),
m_hasHeight(false),
m_hasWidth(false),
m_hasContent(true),
m_x(0.0),
m_y(0.0),
m_width(0.0),
m_height(0.0)
{
}
void GraphicalNodeInstance::setHasContent(bool hasContent)
{
m_hasContent = hasContent;
}
DesignerSupport *GraphicalNodeInstance::designerSupport() const
{
return qt5NodeInstanceServer()->designerSupport();
}
Qt5NodeInstanceServer *GraphicalNodeInstance::qt5NodeInstanceServer() const
{
return qobject_cast<Qt5NodeInstanceServer*>(nodeInstanceServer());
}
bool GraphicalNodeInstance::isGraphical() const
{
return true;
}
bool GraphicalNodeInstance::anyItemHasContent(QQuickItem *quickItem)
{
if (quickItem->flags().testFlag(QQuickItem::ItemHasContents))
return true;
foreach (QQuickItem *childItem, quickItem->childItems()) {
if (anyItemHasContent(childItem))
return true;
}
return false;
}
double GraphicalNodeInstance::x() const
{
return m_x;
}
double GraphicalNodeInstance::y() const
{
return m_y;
}
QQuickItem *GraphicalNodeInstance::quickItem() const
{
return 0;
}
bool GraphicalNodeInstance::childItemsHaveContent(QQuickItem *quickItem)
{
foreach (QQuickItem *childItem, quickItem->childItems()) {
if (anyItemHasContent(childItem))
return true;
}
return false;
}
bool GraphicalNodeInstance::hasContent() const
{
if (m_hasContent)
return true;
return childItemsHaveContent(quickItem());
}
void GraphicalNodeInstance::createEffectItem(bool createEffectItem)
{
s_createEffectItem = createEffectItem;
}
void GraphicalNodeInstance::updateDirtyNodeRecursive()
{
foreach (QQuickItem *childItem, quickItem()->childItems())
updateDirtyNodeRecursive(childItem);
DesignerSupport::updateDirtyNode(quickItem());
}
GraphicalNodeInstance::~GraphicalNodeInstance()
{
if (quickItem())
designerSupport()->derefFromEffectItem(quickItem());
}
void GraphicalNodeInstance::updateDirtyNodeRecursive(QQuickItem *parentItem) const
{
foreach (QQuickItem *childItem, parentItem->childItems()) {
if (!nodeInstanceServer()->hasInstanceForObject(childItem))
updateDirtyNodeRecursive(childItem);
}
DesignerSupport::updateDirtyNode(parentItem);
}
void GraphicalNodeInstance::updateAllDirtyNodeRecursive(QQuickItem *parentItem) const
{
foreach (QQuickItem *childItem, parentItem->childItems())
updateDirtyNodeRecursive(childItem);
DesignerSupport::updateDirtyNode(parentItem);
}
QImage GraphicalNodeInstance::renderImage() const
{
updateDirtyNodeRecursive(quickItem());
QRectF boundingRect = boundingRectWithStepChilds(quickItem());
QImage renderImage = designerSupport()->renderImageForItem(quickItem(), boundingRect, boundingRect.size().toSize());
renderImage = renderImage.convertToFormat(QImage::Format_ARGB32_Premultiplied);
return renderImage;
}
QImage GraphicalNodeInstance::renderPreviewImage(const QSize &previewImageSize) const
{
QRectF previewItemBoundingRect = boundingRect();
if (previewItemBoundingRect.isValid() && quickItem())
return designerSupport()->renderImageForItem(quickItem(), previewItemBoundingRect, previewImageSize);
return QImage();
}
void GraphicalNodeInstance::initialize(const ObjectNodeInstance::Pointer &objectNodeInstance)
{
if (instanceId() == 0) {
DesignerSupport::setRootItem(nodeInstanceServer()->quickView(), quickItem());
} else {
quickItem()->setParentItem(qobject_cast<QQuickItem*>(nodeInstanceServer()->quickView()->rootObject()));
}
if (s_createEffectItem || instanceId() == 0)
designerSupport()->refFromEffectItem(quickItem());
ObjectNodeInstance::initialize(objectNodeInstance);
quickItem()->update();
}
QPointF GraphicalNodeInstance::position() const
{
return quickItem()->position();
}
QTransform GraphicalNodeInstance::customTransform() const
{
return QTransform();
}
QTransform GraphicalNodeInstance::sceneTransform() const
{
return DesignerSupport::windowTransform(quickItem());
}
double GraphicalNodeInstance::rotation() const
{
return quickItem()->rotation();
}
double GraphicalNodeInstance::scale() const
{
return quickItem()->scale();
}
QPointF GraphicalNodeInstance::transformOriginPoint() const
{
return quickItem()->transformOriginPoint();
}
double GraphicalNodeInstance::zValue() const
{
return quickItem()->z();
}
double GraphicalNodeInstance::opacity() const
{
return quickItem()->opacity();
}
QSizeF GraphicalNodeInstance::size() const
{
double width;
if (DesignerSupport::isValidWidth(quickItem())) {
width = quickItem()->width();
} else {
width = quickItem()->implicitWidth();
}
double height;
if (DesignerSupport::isValidHeight(quickItem())) {
height = quickItem()->height();
} else {
height = quickItem()->implicitHeight();
}
return QSizeF(width, height);
}
static inline bool isRectangleSane(const QRectF &rect)
{
return rect.isValid() && (rect.width() < 10000) && (rect.height() < 10000);
}
QRectF GraphicalNodeInstance::boundingRectWithStepChilds(QQuickItem *parentItem) const
{
QRectF boundingRect = parentItem->boundingRect();
foreach (QQuickItem *childItem, parentItem->childItems()) {
if (!nodeInstanceServer()->hasInstanceForObject(childItem)) {
QRectF transformedRect = childItem->mapRectToItem(parentItem, boundingRectWithStepChilds(childItem));
if (isRectangleSane(transformedRect))
boundingRect = boundingRect.united(transformedRect);
}
}
return boundingRect;
}
void GraphicalNodeInstance::resetHorizontal()
{
setPropertyVariant("x", m_x);
if (m_width > 0.0) {
setPropertyVariant("width", m_width);
} else {
setPropertyVariant("width", quickItem()->implicitWidth());
}
}
void GraphicalNodeInstance::resetVertical()
{
setPropertyVariant("y", m_y);
if (m_height > 0.0) {
setPropertyVariant("height", m_height);
} else {
setPropertyVariant("height", quickItem()->implicitWidth());
}
}
int GraphicalNodeInstance::penWidth() const
{
return DesignerSupport::borderWidth(quickItem());
}
QList<ServerNodeInstance> GraphicalNodeInstance::childItemsForChild(QQuickItem *childItem) const
{
QList<ServerNodeInstance> instanceList;
if (childItem) {
foreach (QQuickItem *childItem, childItem->childItems())
{
if (childItem && nodeInstanceServer()->hasInstanceForObject(childItem)) {
instanceList.append(nodeInstanceServer()->instanceForObject(childItem));
} else {
instanceList.append(childItemsForChild(childItem));
}
}
}
return instanceList;
}
QList<ServerNodeInstance> GraphicalNodeInstance::childItems() const
{
QList<ServerNodeInstance> instanceList;
foreach (QQuickItem *childItem, quickItem()->childItems())
{
if (childItem && nodeInstanceServer()->hasInstanceForObject(childItem)) {
instanceList.append(nodeInstanceServer()->instanceForObject(childItem));
} else { //there might be an item in between the parent instance
//and the child instance.
//Popular example is flickable which has a viewport item between
//the flickable item and the flickable children
instanceList.append(childItemsForChild(childItem)); //In such a case we go deeper inside the item and
//search for child items with instances.
}
}
return instanceList;
}
void GraphicalNodeInstance::setPropertyVariant(const PropertyName &name, const QVariant &value)
{
if (name == "state")
return; // states are only set by us
if (name == "height") {
m_height = value.toDouble();
if (value.isValid())
m_hasHeight = true;
else
m_hasHeight = false;
}
if (name == "width") {
m_width = value.toDouble();
if (value.isValid())
m_hasWidth = true;
else
m_hasWidth = false;
}
if (name == "x")
m_x = value.toDouble();
if (name == "y")
m_y = value.toDouble();
ObjectNodeInstance::setPropertyVariant(name, value);
quickItem()->update();
refresh();
if (isInPositioner())
parentInstance()->refreshPositioner();
}
void GraphicalNodeInstance::setPropertyBinding(const PropertyName &name, const QString &expression)
{
if (name == "state")
return; // states are only set by us
ObjectNodeInstance::setPropertyBinding(name, expression);
quickItem()->update();
refresh();
if (isInPositioner())
parentInstance()->refreshPositioner();
}
QVariant GraphicalNodeInstance::property(const PropertyName &name) const
{
if (name == "visible")
return quickItem()->isVisible();
return ObjectNodeInstance::property(name);
}
void GraphicalNodeInstance::resetProperty(const PropertyName &name)
{
if (name == "height") {
m_hasHeight = false;
m_height = 0.0;
}
if (name == "width") {
m_hasWidth = false;
m_width = 0.0;
}
if (name == "x")
m_x = 0.0;
if (name == "y")
m_y = 0.0;
DesignerSupport::resetAnchor(quickItem(), name);
if (name == "anchors.fill") {
resetHorizontal();
resetVertical();
} else if (name == "anchors.centerIn") {
resetHorizontal();
resetVertical();
} else if (name == "anchors.top") {
resetVertical();
} else if (name == "anchors.left") {
resetHorizontal();
} else if (name == "anchors.right") {
resetHorizontal();
} else if (name == "anchors.bottom") {
resetVertical();
} else if (name == "anchors.horizontalCenter") {
resetHorizontal();
} else if (name == "anchors.verticalCenter") {
resetVertical();
} else if (name == "anchors.baseline") {
resetVertical();
}
ObjectNodeInstance::resetProperty(name);
quickItem()->update();
if (isInPositioner())
parentInstance()->refreshPositioner();
}
static bool isValidAnchorName(const PropertyName &name)
{
static PropertyNameList anchorNameList(PropertyNameList() << "anchors.top"
<< "anchors.left"
<< "anchors.right"
<< "anchors.bottom"
<< "anchors.verticalCenter"
<< "anchors.horizontalCenter"
<< "anchors.fill"
<< "anchors.centerIn"
<< "anchors.baseline");
return anchorNameList.contains(name);
}
bool GraphicalNodeInstance::hasAnchor(const PropertyName &name) const
{
return DesignerSupport::hasAnchor(quickItem(), name);
}
QPair<PropertyName, ServerNodeInstance> GraphicalNodeInstance::anchor(const PropertyName &name) const
{
if (!isValidAnchorName(name) || !DesignerSupport::hasAnchor(quickItem(), name))
return ObjectNodeInstance::anchor(name);
QPair<QString, QObject*> nameObjectPair = DesignerSupport::anchorLineTarget(quickItem(), name, context());
QObject *targetObject = nameObjectPair.second;
PropertyName targetName = nameObjectPair.first.toUtf8();
if (targetObject && nodeInstanceServer()->hasInstanceForObject(targetObject)) {
return qMakePair(targetName, nodeInstanceServer()->instanceForObject(targetObject));
} else {
return ObjectNodeInstance::anchor(name);
}
}
static void doComponentCompleteRecursive(QQuickItem *item)
{
if (item) {
if (DesignerSupport::isComponentComplete(item))
return;
foreach (QQuickItem *childItem, item->childItems())
doComponentCompleteRecursive(childItem);
static_cast<QQmlParserStatus*>(item)->componentComplete();
}
}
static void disableTextCursor(QQuickItem *item)
{
foreach (QQuickItem *childItem, item->childItems())
disableTextCursor(childItem);
QQuickTextInput *textInput = qobject_cast<QQuickTextInput*>(item);
if (textInput)
textInput->setCursorVisible(false);
QQuickTextEdit *textEdit = qobject_cast<QQuickTextEdit*>(item);
if (textEdit)
textEdit->setCursorVisible(false);
}
void GraphicalNodeInstance::doComponentComplete()
{
doComponentCompleteRecursive(quickItem());
disableTextCursor(quickItem());
quickItem()->update();
}
bool GraphicalNodeInstance::isAnchoredByChildren() const
{
if (DesignerSupport::areChildrenAnchoredTo(quickItem(), quickItem())) // search in children for a anchor to this item
return true;
return false;
}
QRectF GraphicalNodeInstance::boundingRect() const
{
if (quickItem()) {
if (quickItem()->clip()) {
return quickItem()->boundingRect();
} else {
return boundingRectWithStepChilds(quickItem());
}
}
return QRectF();
}
static void repositioning(QQuickItem *item)
{
if (!item)
return;
// QQmlBasePositioner *positioner = qobject_cast<QQmlBasePositioner*>(item);
// if (positioner)
// positioner->rePositioning();
if (item->parentItem())
repositioning(item->parentItem());
}
void GraphicalNodeInstance::refresh()
{
repositioning(quickItem());
}
QList<ServerNodeInstance> GraphicalNodeInstance::stateInstances() const
{
QList<ServerNodeInstance> instanceList;
QList<QObject*> stateList = DesignerSupport::statesForItem(quickItem());
foreach (QObject *state, stateList)
{
if (state && nodeInstanceServer()->hasInstanceForObject(state))
instanceList.append(nodeInstanceServer()->instanceForObject(state));
}
return instanceList;
}
}
} // namespace QmlDesigner
#ifndef QMLDESIGNER_GRAPHICALNODEINSTANCE_H
#define QMLDESIGNER_GRAPHICALNODEINSTANCE_H
#include "objectnodeinstance.h"
#include <designersupport.h>
namespace QmlDesigner {
namespace Internal {
class GraphicalNodeInstance : public ObjectNodeInstance
{
public:
typedef QSharedPointer<QuickItemNodeInstance> Pointer;
typedef QWeakPointer<QuickItemNodeInstance> WeakPointer;
~GraphicalNodeInstance();
void initialize(const ObjectNodeInstance::Pointer &objectNodeInstance);
bool isGraphical() const;
bool hasContent() const;