kis_image_signal_router.cpp

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/*
 *  SPDX-FileCopyrightText: 2011 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#include "kis_image_signal_router.h"
 
#include <QThread>
#include <KisStaticInitializer.h>
 
#include "kis_image.h"
 
 
#define CONNECT_TO_IMAGE(signal)                                        \
    connect(this, SIGNAL(signal), m_image, SIGNAL(signal), Qt::DirectConnection)
 
#define CONNECT_TO_IMAGE_QUEUED(signal)                                 \
    connect(this, SIGNAL(signal), m_image, SIGNAL(signal), Qt::QueuedConnection)
 
KIS_DECLARE_STATIC_INITIALIZER {
    qRegisterMetaType<KisImageSignalType>("KisImageSignalType");
}
 
 
KisImageSignalRouter::KisImageSignalRouter(KisImageWSP image)
    : QObject(image.data()),
      m_image(image)
{
    connect(this, SIGNAL(sigNotification(KisImageSignalType)),
            SLOT(slotNotification(KisImageSignalType)));
 
    CONNECT_TO_IMAGE(sigImageModified());
    CONNECT_TO_IMAGE(sigImageModifiedWithoutUndo());
    CONNECT_TO_IMAGE(sigSizeChanged(const QPointF&, const QPointF&));
    CONNECT_TO_IMAGE(sigResolutionChanged(double, double));
    CONNECT_TO_IMAGE(sigRequestNodeReselection(KisNodeSP, const KisNodeList&));
 
    CONNECT_TO_IMAGE(sigNodeChanged(KisNodeSP));
    CONNECT_TO_IMAGE(sigNodeAddedAsync(KisNodeSP, KisNodeAdditionFlags));
    CONNECT_TO_IMAGE(sigRemoveNodeAsync(KisNodeSP));
    CONNECT_TO_IMAGE(sigLayersChangedAsync());
 
    CONNECT_TO_IMAGE_QUEUED(sigProfileChanged(const KoColorProfile*));
    CONNECT_TO_IMAGE_QUEUED(sigColorSpaceChanged(const KoColorSpace*));
}
 
KisImageSignalRouter::~KisImageSignalRouter()
{
}
 
void KisImageSignalRouter::emitImageModifiedNotification()
{
    Q_EMIT sigImageModified();
}
 
void KisImageSignalRouter::emitNotifications(KisImageSignalVector notifications)
{
    Q_FOREACH (const KisImageSignalType &type, notifications) {
        emitNotification(type);
    }
}
 
void KisImageSignalRouter::emitNotification(KisImageSignalType type)
{
    if (type.id == LayersChangedSignal ||
        type.id == NodeReselectionRequestSignal) {
        slotNotification(type);
    } else {
        Q_EMIT sigNotification(type);
    }
}
 
void KisImageSignalRouter::emitNodeChanged(KisNodeSP node)
{
    Q_EMIT sigNodeChanged(node);
}
 
void KisImageSignalRouter::emitNodeHasBeenAdded(KisNode *parent, int index, KisNodeAdditionFlags flags)
{
    KisNodeSP newNode = parent->at(index);
 
    // overlay selection masks reset frames themselves
    if (!newNode->inherits("KisSelectionMask")) {
        KisImageSP image = m_image.toStrongRef();
        if (image) {
            image->invalidateAllFrames();
        }
    }
 
    Q_EMIT sigNodeAddedAsync(newNode, flags);
}
 
void KisImageSignalRouter::emitAboutToRemoveANode(KisNode *parent, int index)
{
    KisNodeSP removedNode = parent->at(index);
 
    // overlay selection masks reset frames themselves
    if (!removedNode->inherits("KisSelectionMask")) {
        KisImageSP image = m_image.toStrongRef();
        if (image) {
            image->invalidateAllFrames();
        }
    }
 
    Q_EMIT sigRemoveNodeAsync(removedNode);
}
 
void KisImageSignalRouter::emitRequestLodPlanesSyncBlocked(bool value)
{
    Q_EMIT sigRequestLodPlanesSyncBlocked(value);
}
 
void KisImageSignalRouter::emitNotifyBatchUpdateStarted()
{
    Q_EMIT sigNotifyBatchUpdateStarted();
}
 
void KisImageSignalRouter::emitNotifyBatchUpdateEnded()
{
    Q_EMIT sigNotifyBatchUpdateEnded();
}
 
void KisImageSignalRouter::slotNotification(KisImageSignalType type)
{
    KisImageSP image = m_image.toStrongRef();
    if (!image) {
        return;
    }
 
    switch(type.id) {
    case LayersChangedSignal:
        image->invalidateAllFrames();
        Q_EMIT sigLayersChangedAsync();
        break;
    case ModifiedWithoutUndoSignal:
        Q_EMIT sigImageModifiedWithoutUndo();
        break;
    case SizeChangedSignal:
        image->invalidateAllFrames();
        Q_EMIT sigSizeChanged(type.sizeChangedSignal.oldStillPoint,
                            type.sizeChangedSignal.newStillPoint);
        break;
    case ProfileChangedSignal:
        image->invalidateAllFrames();
        Q_EMIT sigProfileChanged(image->profile());
        break;
    case ColorSpaceChangedSignal:
        image->invalidateAllFrames();
        Q_EMIT sigColorSpaceChanged(image->colorSpace());
        break;
    case ResolutionChangedSignal:
        image->invalidateAllFrames();
        Q_EMIT sigResolutionChanged(image->xRes(), image->yRes());
        break;
    case NodeReselectionRequestSignal:
        if (type.nodeReselectionSignal.newActiveNode ||
            !type.nodeReselectionSignal.newSelectedNodes.isEmpty()) {
 
            Q_EMIT sigRequestNodeReselection(type.nodeReselectionSignal.newActiveNode,
                                           type.nodeReselectionSignal.newSelectedNodes);
        }
        break;
    }
}