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Added drag and drop to the timeline.

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This commit is contained in:
leo 2015-03-08 00:27:11 +00:00
parent 958a7fa383
commit 7cb71e121c
5 changed files with 80 additions and 5 deletions
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1
common/lc_mainwindow.cpp
View file

@ -546,6 +546,7 @@ void lcMainWindow::CreateToolBars()
mTimelineToolBar = new QDockWidget(tr("Timeline"), this);
mTimelineToolBar->setObjectName("TimelineToolbar");
mTimelineToolBar->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
mTimelineToolBar->setAcceptDrops(true);
mTimelineWidget = new lcTimelineWidget(mTimelineToolBar);

37
common/lc_model.cpp
View file

@ -1922,6 +1922,43 @@ void lcModel::ShowSelectedPiecesLater()
SaveCheckpoint("Modifying");
gMainWindow->UpdateAllViews();
UpdateSelection();
gMainWindow->UpdateFocusObject(GetFocusObject());
}
}
void lcModel::SetPieceSteps(const QList<QPair<lcPiece*, int>>& PieceSteps)
{
if (PieceSteps.size() != mPieces.GetSize())
return;
bool Modified = false;
for (int PieceIdx = 0; PieceIdx < PieceSteps.size(); PieceIdx++)
{
const QPair<lcPiece*, int>& PieceStep = PieceSteps[PieceIdx];
lcPiece* Piece = mPieces[PieceIdx];
if (Piece != PieceStep.first || Piece->GetStepShow() != PieceStep.second)
{
Piece = PieceStep.first;
lcStep Step = PieceStep.second;
mPieces[PieceIdx] = Piece;
Piece->SetStepShow(Step);
if (Step > mCurrentStep)
Piece->SetSelected(false);
Modified = true;
}
}
if (Modified)
{
SaveCheckpoint("Modifying");
gMainWindow->UpdateAllViews();
UpdateSelection();
gMainWindow->UpdateFocusObject(GetFocusObject());
}
}

1
common/lc_model.h
View file

@ -195,6 +195,7 @@ public:
void DeleteSelectedObjects();
void ShowSelectedPiecesEarlier();
void ShowSelectedPiecesLater();
void SetPieceSteps(const QList<QPair<lcPiece*, int>>& PieceSteps);
lcGroup* AddGroup(const char* Prefix, lcGroup* Parent);
lcGroup* GetGroup(const char* Name, bool CreateIfMissing);

43
common/lc_timelinewidget.cpp
View file

@ -8,7 +8,11 @@
lcTimelineWidget::lcTimelineWidget(QWidget* Parent)
: QTreeWidget(Parent)
{
header()->hide();
setSelectionMode(QAbstractItemView::ExtendedSelection);
setDragEnabled(true);
setDragDropMode(QAbstractItemView::InternalMove);
setUniformRowHeights(true);
setHeaderHidden(true);
}
lcTimelineWidget::~lcTimelineWidget()
@ -25,19 +29,48 @@ void lcTimelineWidget::Update()
return;
int Steps = Model->GetLastStep();
QList<QTreeWidgetItem*> StepItems;
StepItems.reserve(Steps);
QList<QTreeWidgetItem*> StepItems;
StepItems.reserve(Steps);
for (int Step = 0; Step < Steps; Step++)
StepItems.append(new QTreeWidgetItem(this, QStringList(tr("Step %1").arg(Step + 1))));
{
QTreeWidgetItem* StepItem = new QTreeWidgetItem(this, QStringList(tr("Step %1").arg(Step + 1)));
StepItem->setFlags(Qt::ItemIsEnabled | Qt::ItemIsDropEnabled);
StepItems.append(StepItem);
}
const lcArray<lcPiece*>& Pieces = Model->GetPieces();
for (int PieceIdx = 0; PieceIdx < Pieces.GetSize(); PieceIdx++)
{
lcPiece* Piece = Pieces[PieceIdx];
new QTreeWidgetItem(StepItems[Piece->GetStepShow() - 1], QStringList(Piece->mPieceInfo->m_strDescription));
QTreeWidgetItem* PieceItem = new QTreeWidgetItem(StepItems[Piece->GetStepShow() - 1], QStringList(Piece->mPieceInfo->m_strDescription));
PieceItem->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsDragEnabled);
PieceItem->setData(0, Qt::UserRole, qVariantFromValue<uintptr_t>((uintptr_t)Piece));
}
insertTopLevelItems(0, StepItems);
expandAll();
}
void lcTimelineWidget::dropEvent(QDropEvent* Event)
{
QTreeWidget::dropEvent(Event);
QList<QPair<lcPiece*, int>> PieceSteps;
for (int TopLevelItemIdx = 0; TopLevelItemIdx < topLevelItemCount(); TopLevelItemIdx++)
{
QTreeWidgetItem* StepItem = topLevelItem(TopLevelItemIdx);
for (int PieceItemIdx = 0; PieceItemIdx < StepItem->childCount(); PieceItemIdx++)
{
QTreeWidgetItem* PieceItem = StepItem->child(PieceItemIdx);
lcPiece* Piece = (lcPiece*)PieceItem->data(0, Qt::UserRole).value<uintptr_t>();
PieceSteps.append(QPair<lcPiece*, int>(Piece, TopLevelItemIdx + 1));
}
}
lcGetActiveModel()->SetPieceSteps(PieceSteps);
}

3
common/lc_timelinewidget.h
View file

@ -8,6 +8,9 @@ public:
virtual ~lcTimelineWidget();
void Update();
protected:
virtual void dropEvent(QDropEvent* Event);
};
#endif // _LC_TIMELINEWIDGET_H_