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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 "transitioneditorgraphicslayout.h"
#include "timelinegraphicsscene.h"
#include "timelineplaceholder.h"
#include "timelinesectionitem.h"
#include "timelineview.h"
#include "transitioneditorsectionitem.h"
#include <auxiliarydataproperties.h>
#include <QGraphicsLinearLayout>
#include <cmath>
namespace QmlDesigner {
TransitionEditorGraphicsLayout::TransitionEditorGraphicsLayout(QGraphicsScene *scene,
TimelineItem *parent)
: TimelineItem(parent)
, m_layout(new QGraphicsLinearLayout)
, m_rulerItem(TimelineRulerSectionItem::create(scene, this))
, m_placeholder1(TimelinePlaceholder::create(scene, this))
, m_placeholder2(TimelinePlaceholder::create(scene, this))
{
m_layout->setOrientation(Qt::Vertical);
m_layout->setSpacing(0);
m_layout->setContentsMargins(0, 0, 0, 0);
m_layout->addItem(m_rulerItem);
m_layout->addItem(m_placeholder1);
m_layout->addItem(m_placeholder2);
setLayout(m_layout);
setPos(QPointF(0, 0));
connect(m_rulerItem,
&TimelineRulerSectionItem::rulerClicked,
this,
&TransitionEditorGraphicsLayout::rulerClicked);
}
TransitionEditorGraphicsLayout::~TransitionEditorGraphicsLayout() = default;
int TransitionEditorGraphicsLayout::zoom() const
{
return m_rulerItem->zoom();
}
double TransitionEditorGraphicsLayout::rulerWidth() const
{
return m_rulerItem->preferredWidth();
}
double TransitionEditorGraphicsLayout::rulerScaling() const
{
return m_rulerItem->rulerScaling();
}
double TransitionEditorGraphicsLayout::rulerDuration() const
{
return m_rulerItem->rulerDuration();
}
double TransitionEditorGraphicsLayout::endFrame() const
{
return m_rulerItem->endFrame();
}
void TransitionEditorGraphicsLayout::setWidth(int width)
{
m_rulerItem->setSizeHints(width);
m_placeholder1->setMinimumWidth(width);
m_placeholder2->setMinimumWidth(width);
setPreferredWidth(width);
setMaximumWidth(width);
}
void TransitionEditorGraphicsLayout::setTransition(const ModelNode &transition)
{
m_layout->removeItem(m_rulerItem);
m_layout->removeItem(m_placeholder1);
m_layout->removeItem(m_placeholder2);
m_rulerItem->setParentItem(nullptr);
m_placeholder1->setParentItem(nullptr);
m_placeholder2->setParentItem(nullptr);
qDeleteAll(this->childItems());
m_rulerItem->setParentItem(this);
qreal duration = 2000;
if (transition.isValid()) {
if (auto data = transition.auxiliaryData(transitionDurationProperty))
duration = data->toDouble();
}
setDuration(duration);
m_layout->addItem(m_rulerItem);
m_placeholder1->setParentItem(this);
m_layout->addItem(m_placeholder1);
m_layout->invalidate();
if (transition.isValid() && !transition.directSubModelNodes().isEmpty()) {
for (const ModelNode ¶llel : transition.directSubModelNodes()) {
auto item = TransitionEditorSectionItem::create(parallel, this);
m_layout->addItem(item);
}
}
m_placeholder2->setParentItem(this);
m_layout->addItem(m_placeholder2);
if (auto *scene = timelineScene())
if (auto *view = scene->timelineView())
if (!transition.isValid() && view->isAttached())
emit zoomChanged(0);
}
void TransitionEditorGraphicsLayout::setDuration(qreal duration)
{
m_rulerItem->invalidateRulerSize(duration);
}
void TransitionEditorGraphicsLayout::setZoom(int factor)
{
m_rulerItem->setZoom(factor);
}
void TransitionEditorGraphicsLayout::invalidate()
{
m_layout->invalidate();
}
int TransitionEditorGraphicsLayout::maximumScrollValue() const
{
const qreal w = this->geometry().width() - qreal(TimelineConstants::sectionWidth);
const qreal duration = m_rulerItem->rulerDuration() + m_rulerItem->rulerDuration() * 0.1;
const qreal maxr = m_rulerItem->rulerScaling() * duration - w;
return std::round(qMax(maxr, 0.0));
}
void TransitionEditorGraphicsLayout::activate()
{
m_layout->activate();
}
TimelineRulerSectionItem *TransitionEditorGraphicsLayout::ruler() const
{
return m_rulerItem;
}
} // End namespace QmlDesigner.
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