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CVirtualDirectoryModel: Eliminate string copies where applicable

This commit is contained in:
Lioncash 2020-07-05 10:12:31 -04:00
parent fdcb0b770c
commit dcfb34ca1c
2 changed files with 30 additions and 31 deletions
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55
src/Editor/ResourceBrowser/CVirtualDirectoryModel.cpp
View File

@ -169,15 +169,12 @@ bool CVirtualDirectoryModel::dropMimeData(const QMimeData *pkData, Qt::DropActio
QMimeData* CVirtualDirectoryModel::mimeData(const QModelIndexList& rkIndexes) const
{
if (rkIndexes.size() == 1)
{
QModelIndex Index = rkIndexes.front();
CVirtualDirectory *pDir = IndexDirectory(Index);
CResourceMimeData *pMimeData = new CResourceMimeData(pDir);
return pMimeData;
}
else
if (rkIndexes.size() != 1)
return nullptr;
const QModelIndex Index = rkIndexes.front();
CVirtualDirectory *pDir = IndexDirectory(Index);
return new CResourceMimeData(pDir);
}
Qt::DropActions CVirtualDirectoryModel::supportedDragActions() const
@ -231,7 +228,9 @@ QModelIndex CVirtualDirectoryModel::GetIndexForDirectory(CVirtualDirectory *pDir
CVirtualDirectory* CVirtualDirectoryModel::IndexDirectory(const QModelIndex& rkIndex) const
{
if (!rkIndex.isValid()) return nullptr;
if (!rkIndex.isValid())
return nullptr;
return static_cast<CVirtualDirectory*>(rkIndex.internalPointer());
}
@ -242,7 +241,7 @@ void CVirtualDirectoryModel::SetRoot(CVirtualDirectory *pDir)
endResetModel();
}
bool CVirtualDirectoryModel::GetProposedIndex(QString Path, QModelIndex& rOutParent, int& rOutRow)
bool CVirtualDirectoryModel::GetProposedIndex(const QString& Path, QModelIndex& rOutParent, int& rOutRow)
{
// Get parent path
TString FullPath = TO_TSTRING(Path);
@ -279,31 +278,31 @@ bool CVirtualDirectoryModel::GetProposedIndex(QString Path, QModelIndex& rOutPar
return true;
}
void CVirtualDirectoryModel::OnDirectoryAboutToBeMoved(CVirtualDirectory *pDir, QString NewPath)
void CVirtualDirectoryModel::OnDirectoryAboutToBeMoved(CVirtualDirectory *pDir, const QString& NewPath)
{
QModelIndex Parent;
int Row;
if (GetProposedIndex(NewPath, Parent, Row))
{
QModelIndex OldIndex = GetIndexForDirectory(pDir);
QModelIndex OldParent = OldIndex.parent();
int OldRow = OldIndex.row();
if (!GetProposedIndex(NewPath, Parent, Row))
return;
if (OldParent == Parent && (Row == OldRow || Row == OldRow + 1))
{
emit layoutAboutToBeChanged();
mChangingLayout = true;
}
else
{
beginMoveRows(OldParent, OldRow, OldRow, Parent, Row);
mMovingRows = true;
}
const QModelIndex OldIndex = GetIndexForDirectory(pDir);
const QModelIndex OldParent = OldIndex.parent();
const int OldRow = OldIndex.row();
if (OldParent == Parent && (Row == OldRow || Row == OldRow + 1))
{
emit layoutAboutToBeChanged();
mChangingLayout = true;
}
else
{
beginMoveRows(OldParent, OldRow, OldRow, Parent, Row);
mMovingRows = true;
}
}
void CVirtualDirectoryModel::OnDirectoryAboutToBeCreated(QString DirPath)
void CVirtualDirectoryModel::OnDirectoryAboutToBeCreated(const QString& DirPath)
{
QModelIndex Parent;
int Row;
@ -317,7 +316,7 @@ void CVirtualDirectoryModel::OnDirectoryAboutToBeCreated(QString DirPath)
void CVirtualDirectoryModel::OnDirectoryAboutToBeDeleted(CVirtualDirectory *pDir)
{
QModelIndex Index = GetIndexForDirectory(pDir);
const QModelIndex Index = GetIndexForDirectory(pDir);
if (Index.isValid())
{

6
src/Editor/ResourceBrowser/CVirtualDirectoryModel.h
View File

@ -37,11 +37,11 @@ public:
void SetRoot(CVirtualDirectory *pDir);
protected:
bool GetProposedIndex(QString Path, QModelIndex& rOutParent, int& rOutRow);
bool GetProposedIndex(const QString& Path, QModelIndex& rOutParent, int& rOutRow);
public slots:
void OnDirectoryAboutToBeMoved(CVirtualDirectory *pDir, QString NewPath);
void OnDirectoryAboutToBeCreated(QString DirPath);
void OnDirectoryAboutToBeMoved(CVirtualDirectory *pDir, const QString& NewPath);
void OnDirectoryAboutToBeCreated(const QString& DirPath);
void OnDirectoryAboutToBeDeleted(CVirtualDirectory *pDir);
void FinishModelChanges();
};