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/****************************************************************************
**
** Copyright (C) 1993-2009 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "Qt3DSDMPrefix.h"
#include "Qt3DSDMGuides.h"
#include <unordered_map>
#include "VectorTransactions.h"
using namespace qt3dsdm;
namespace {
#define CONNECT(x) std::make_shared<qt3dsdm::QtSignalConnection>(QObject::connect(this, x, inCallback))
class SGuideSystem : public QObject, public IGuideSystem
{
Q_OBJECT
public:
typedef std::unordered_map<long, SGuideInfo> TGuideMap;
typedef std::shared_ptr<IMergeableTransaction<SGuideInfo>> TMergeableTransaction;
typedef std::unordered_map<long, TMergeableTransaction> TGuideInfoMergeMap;
long m_NextHandleValue;
TGuideMap m_Guides;
bool m_GuidesEditable;
std::shared_ptr<ITransactionConsumer> m_CurrentTransaction;
TGuideInfoMergeMap m_GuideMergeMap;
Q_SIGNALS:
void guideCreated(Qt3DSDMGuideHandle, SGuideInfo);
void guideDestroyed(Qt3DSDMGuideHandle, SGuideInfo);
void guideModified(Qt3DSDMGuideHandle, SGuideInfo);
void guideModifiedImmediate(Qt3DSDMGuideHandle, SGuideInfo);
public:
SGuideSystem()
: m_NextHandleValue(0)
, m_GuidesEditable(true)
{
}
void SignalGuideCreated(long hdl, const SGuideInfo &inInfo) { Q_EMIT guideCreated(hdl, inInfo); }
void SignalGuideDestroyed(long hdl, const SGuideInfo &inInfo) { Q_EMIT guideDestroyed(hdl, inInfo); }
void SignalGuideModified(long hdl, const SGuideInfo &inInfo) { Q_EMIT guideModified(hdl, inInfo); }
Qt3DSDMGuideHandle CreateGuide() override
{
++m_NextHandleValue;
std::pair<long, SGuideInfo> entry(std::make_pair(m_NextHandleValue, SGuideInfo()));
m_Guides.insert(entry);
if (m_CurrentTransaction) {
CreateHashMapInsertTransaction(__FILE__, __LINE__, m_CurrentTransaction, entry,
m_Guides);
m_CurrentTransaction->OnDoNotification(std::bind(
&SGuideSystem::SignalGuideCreated, this, m_NextHandleValue, SGuideInfo()));
m_CurrentTransaction->OnUndoNotification(std::bind(
&SGuideSystem::SignalGuideDestroyed, this, m_NextHandleValue, SGuideInfo()));
}
return m_NextHandleValue;
}
SGuideInfo *InternalGetGuideInfo(Qt3DSDMGuideHandle inGuideHandle)
{
TGuideMap::iterator theFind = m_Guides.find((long)inGuideHandle.GetHandleValue());
if (theFind != m_Guides.end())
return &theFind->second;
return NULL;
}
const SGuideInfo *InternalGetGuideInfo(Qt3DSDMGuideHandle inGuideHandle) const
{
return const_cast<SGuideSystem &>(*this).InternalGetGuideInfo(inGuideHandle);
}
void SetGuideInfo(Qt3DSDMGuideHandle inGuideHandle, const SGuideInfo &info) override
{
SGuideInfo *existing = InternalGetGuideInfo(inGuideHandle);
long theHdlValue = (long)inGuideHandle.GetHandleValue();
TGuideInfoMergeMap::iterator iter = m_GuideMergeMap.find(theHdlValue);
if (iter != m_GuideMergeMap.end()) {
iter->second->Update(info);
*existing = info;
} else {
if (!existing) {
QT3DS_ASSERT(false);
return;
}
SGuideInfo oldValue(*existing);
*existing = info;
if (m_CurrentTransaction) {
TMergeableTransaction newTransaction =
CreateHashMapSwapTransaction(__FILE__, __LINE__, m_CurrentTransaction,
theHdlValue, oldValue, info, m_Guides);
m_GuideMergeMap.insert(std::make_pair(theHdlValue, newTransaction));
m_CurrentTransaction->OnDoNotification(
std::bind(&SGuideSystem::SignalGuideModified, this, theHdlValue, info));
m_CurrentTransaction->OnUndoNotification(
std::bind(&SGuideSystem::SignalGuideModified, this, theHdlValue, oldValue));
}
}
if (AreDataModelSignalsEnabled())
Q_EMIT guideModifiedImmediate(theHdlValue, info);
}
SGuideInfo GetGuideInfo(Qt3DSDMGuideHandle inGuideHandle) const override
{
const SGuideInfo *existing = InternalGetGuideInfo(inGuideHandle);
if (existing)
return *existing;
QT3DS_ASSERT(false);
return SGuideInfo();
}
void DeleteGuide(Qt3DSDMGuideHandle inGuideHandle) override
{
SGuideInfo *existing = InternalGetGuideInfo(inGuideHandle);
if (!existing) {
QT3DS_ASSERT(false);
return;
}
long theHdlValue = (long)inGuideHandle.GetHandleValue();
SGuideInfo oldValue = *existing;
m_Guides.erase(theHdlValue);
if (m_CurrentTransaction) {
std::pair<long, SGuideInfo> entry(std::make_pair(theHdlValue, oldValue));
CreateHashMapEraseTransaction(__FILE__, __LINE__, m_CurrentTransaction, entry,
m_Guides);
m_CurrentTransaction->OnDoNotification(
std::bind(&SGuideSystem::SignalGuideDestroyed, this, theHdlValue, oldValue));
m_CurrentTransaction->OnUndoNotification(
std::bind(&SGuideSystem::SignalGuideCreated, this, theHdlValue, oldValue));
}
}
TGuideHandleList GetAllGuides() const override
{
TGuideHandleList retval;
for (TGuideMap::const_iterator iter = m_Guides.begin(), end = m_Guides.end(); iter != end;
++iter)
retval.push_back(iter->first);
return retval;
}
bool IsGuideValid(Qt3DSDMGuideHandle inGuideHandle) const override
{
return InternalGetGuideInfo(inGuideHandle) != NULL;
}
bool AreGuidesEditable() const override { return m_GuidesEditable; }
void SetGuidesEditable(bool val) override { m_GuidesEditable = val; }
// Undo/Redo
void SetConsumer(std::shared_ptr<ITransactionConsumer> inConsumer) override
{
m_CurrentTransaction = inConsumer;
m_GuideMergeMap.clear();
}
// These are events coming from undo/redo operations, not events coming directly from the
// modification of the guides
virtual TSignalConnectionPtr
ConnectGuideCreated(const std::function<void(Qt3DSDMGuideHandle, SGuideInfo)> &inCallback) override
{
return CONNECT(&SGuideSystem::guideCreated);
}
virtual TSignalConnectionPtr
ConnectGuideDestroyed(const std::function<void(Qt3DSDMGuideHandle, SGuideInfo)> &inCallback) override
{
return CONNECT(&SGuideSystem::guideDestroyed);
}
virtual TSignalConnectionPtr
ConnectGuideModified(const std::function<void(Qt3DSDMGuideHandle, SGuideInfo)> &inCallback) override
{
return CONNECT(&SGuideSystem::guideModified);
}
// Signal happens immediately instead of on undo/redo, used for live-update of the inspector
// palette
TSignalConnectionPtr ConnectGuideModifiedImmediate(
const std::function<void(Qt3DSDMGuideHandle, SGuideInfo)> &inCallback) override
{
return CONNECT(&SGuideSystem::guideModifiedImmediate);
}
};
}
shared_ptr<IGuideSystem> IGuideSystem::CreateGuideSystem()
{
return std::make_shared<SGuideSystem>();
}
#include "Qt3DSDMGuides.moc"
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