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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "rotationcontroller.h"
#include "formeditoritem.h"
#include "layeritem.h"
#include <rotationhandleitem.h>
#include <QCursor>
#include <QGraphicsScene>
#include <utils/stylehelper.h>
#include <theme.h>
namespace QmlDesigner {
class RotationControllerData
{
public:
RotationControllerData(LayerItem *layerItem,
FormEditorItem *formEditorItem);
RotationControllerData(const RotationControllerData &other);
~RotationControllerData();
QPointer<LayerItem> layerItem;
FormEditorItem *formEditorItem = nullptr;
QSharedPointer<RotationHandleItem> topLeftItem;
QSharedPointer<RotationHandleItem> topRightItem;
QSharedPointer<RotationHandleItem> bottomLeftItem;
QSharedPointer<RotationHandleItem> bottomRightItem;
};
RotationControllerData::RotationControllerData(LayerItem *layerItem, FormEditorItem *formEditorItem)
: layerItem(layerItem)
, formEditorItem(formEditorItem)
{
}
RotationControllerData::RotationControllerData(const RotationControllerData &other) = default;
RotationControllerData::~RotationControllerData()
{
if (layerItem) {
QGraphicsScene *scene = layerItem->scene();
scene->removeItem(topLeftItem.data());
scene->removeItem(topRightItem.data());
scene->removeItem(bottomLeftItem.data());
scene->removeItem(bottomRightItem.data());
}
}
RotationController::RotationController()
: m_data(new RotationControllerData(nullptr, nullptr))
{
}
RotationController::RotationController(const QSharedPointer<RotationControllerData> &data)
: m_data(data)
{
}
RotationController::RotationController(LayerItem *layerItem, FormEditorItem *formEditorItem)
: m_data(new RotationControllerData(layerItem, formEditorItem))
{
QCursor rotationCursor = getRotationCursor();
m_data->topLeftItem = QSharedPointer<RotationHandleItem>(new RotationHandleItem(layerItem, *this));
m_data->topLeftItem->setZValue(302);
m_data->topLeftItem->setCursor(rotationCursor);
m_data->topRightItem = QSharedPointer<RotationHandleItem>(new RotationHandleItem(layerItem, *this));
m_data->topRightItem->setZValue(301);
m_data->topRightItem->setCursor(rotationCursor);
m_data->bottomLeftItem = QSharedPointer<RotationHandleItem>(new RotationHandleItem(layerItem, *this));
m_data->bottomLeftItem->setZValue(301);
m_data->bottomLeftItem->setCursor(rotationCursor);
m_data->bottomRightItem = QSharedPointer<RotationHandleItem>(new RotationHandleItem(layerItem, *this));
m_data->bottomRightItem->setZValue(305);
m_data->bottomRightItem->setCursor(rotationCursor);
updatePosition();
}
RotationController::RotationController(const RotationController &other) = default;
RotationController::RotationController(const WeakRotationController &rotationController)
: m_data(rotationController.m_data.toStrongRef())
{
}
RotationController::~RotationController() = default;
RotationController &RotationController::operator =(const RotationController &other)
{
if (this != &other)
m_data = other.m_data;
return *this;
}
bool RotationController::isValid() const
{
return m_data->formEditorItem && m_data->formEditorItem->qmlItemNode().isValid();
}
void RotationController::show()
{
m_data->topLeftItem->show();
m_data->topRightItem->show();
m_data->bottomLeftItem->show();
m_data->bottomRightItem->show();
}
void RotationController::hide()
{
m_data->topLeftItem->hide();
m_data->topRightItem->hide();
m_data->bottomLeftItem->hide();
m_data->bottomRightItem->hide();
}
void RotationController::updatePosition()
{
if (isValid()) {
QRectF boundingRect = m_data->formEditorItem->qmlItemNode().instanceBoundingRect();
QPointF topLeftPointInLayerSpace(m_data->formEditorItem->mapToItem(m_data->layerItem.data(),
boundingRect.topLeft()));
QPointF topRightPointInLayerSpace(m_data->formEditorItem->mapToItem(m_data->layerItem.data(),
boundingRect.topRight()));
QPointF bottomLeftPointInLayerSpace(m_data->formEditorItem->mapToItem(m_data->layerItem.data(),
boundingRect.bottomLeft()));
QPointF bottomRightPointInLayerSpace(m_data->formEditorItem->mapToItem(m_data->layerItem.data(),
boundingRect.bottomRight()));
const qreal rotation = m_data->formEditorItem->qmlItemNode().rotation();
m_data->topRightItem->setHandlePosition(topRightPointInLayerSpace, boundingRect.topRight(), rotation);
m_data->topLeftItem->setHandlePosition(topLeftPointInLayerSpace, boundingRect.topLeft(), rotation);
m_data->bottomLeftItem->setHandlePosition(bottomLeftPointInLayerSpace, boundingRect.bottomLeft(), rotation);
m_data->bottomRightItem->setHandlePosition(bottomRightPointInLayerSpace, boundingRect.bottomRight(), rotation);
}
}
FormEditorItem* RotationController::formEditorItem() const
{
return m_data->formEditorItem;
}
bool RotationController::isTopLeftHandle(const RotationHandleItem *handle) const
{
return handle == m_data->topLeftItem;
}
bool RotationController::isTopRightHandle(const RotationHandleItem *handle) const
{
return handle == m_data->topRightItem;
}
bool RotationController::isBottomLeftHandle(const RotationHandleItem *handle) const
{
return handle == m_data->bottomLeftItem;
}
bool RotationController::isBottomRightHandle(const RotationHandleItem *handle) const
{
return handle == m_data->bottomRightItem;
}
QCursor RotationController::getRotationCursor() const
{
const QString fontName = "qtds_propertyIconFont.ttf";
const int cursorSize = 32; //32 is cursor recommended size
QIcon rotationIcon = Utils::StyleHelper::getCursorFromIconFont(
fontName,
Theme::getIconUnicode(Theme::rotationFill),
Theme::getIconUnicode(Theme::rotationOutline),
cursorSize, cursorSize);
return QCursor(rotationIcon.pixmap(cursorSize, cursorSize));
}
WeakRotationController RotationController::toWeakRotationController() const
{
return WeakRotationController(*this);
}
WeakRotationController::WeakRotationController() = default;
WeakRotationController::WeakRotationController(const WeakRotationController &rotationController) = default;
WeakRotationController::WeakRotationController(const RotationController &rotationController)
: m_data(rotationController.m_data.toWeakRef())
{
}
WeakRotationController::~WeakRotationController() = default;
WeakRotationController &WeakRotationController::operator =(const WeakRotationController &other)
{
if (m_data != other.m_data)
m_data = other.m_data;
return *this;
}
RotationController WeakRotationController::toRotationController() const
{
return RotationController(*this);
}
}
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