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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef TIMELINERENDERER_H
#define TIMELINERENDERER_H
#include <QQuickPaintedItem>
#include <QJSValue>
#include "qmlprofilertimelinemodelproxy.h"
#include "timelinemodelaggregator.h"
namespace QmlProfiler {
namespace Internal {
class TimelineRenderer : public QQuickPaintedItem
{
Q_OBJECT
Q_PROPERTY(qint64 startTime READ startTime WRITE setStartTime NOTIFY startTimeChanged)
Q_PROPERTY(qint64 endTime READ endTime WRITE setEndTime NOTIFY endTimeChanged)
Q_PROPERTY(QObject *profilerModelProxy READ profilerModelProxy WRITE setProfilerModelProxy NOTIFY profilerModelProxyChanged)
Q_PROPERTY(bool selectionLocked READ selectionLocked WRITE setSelectionLocked NOTIFY selectionLockedChanged)
Q_PROPERTY(int selectedItem READ selectedItem NOTIFY selectedItemChanged)
Q_PROPERTY(int selectedModel READ selectedModel NOTIFY selectedModelChanged)
Q_PROPERTY(int startDragArea READ startDragArea WRITE setStartDragArea NOTIFY startDragAreaChanged)
Q_PROPERTY(int endDragArea READ endDragArea WRITE setEndDragArea NOTIFY endDragAreaChanged)
public:
explicit TimelineRenderer(QQuickPaintedItem *parent = 0);
qint64 startTime() const
{
return m_startTime;
}
qint64 endTime() const
{
return m_endTime;
}
bool selectionLocked() const
{
return m_selectionLocked;
}
int selectedItem() const
{
return m_selectedItem;
}
int selectedModel() const
{
return m_selectedModel;
}
int startDragArea() const
{
return m_startDragArea;
}
int endDragArea() const
{
return m_endDragArea;
}
TimelineModelAggregator *profilerModelProxy() const { return m_profilerModelProxy; }
void setProfilerModelProxy(QObject *profilerModelProxy);
Q_INVOKABLE int getYPosition(int modelIndex, int index) const;
Q_INVOKABLE void selectNext();
Q_INVOKABLE void selectPrev();
Q_INVOKABLE int nextItemFromId(int modelIndex, int eventId) const;
Q_INVOKABLE int prevItemFromId(int modelIndex, int eventId) const;
Q_INVOKABLE void selectFromId(int modelIndex, int eventId);
Q_INVOKABLE void selectNextFromId(int modelIndex, int eventId);
Q_INVOKABLE void selectPrevFromId(int modelIndex, int eventId);
signals:
void startTimeChanged(qint64 arg);
void endTimeChanged(qint64 arg);
void profilerModelProxyChanged(TimelineModelAggregator *list);
void selectionLockedChanged(bool locked);
void selectedItemChanged(int itemIndex);
void selectedModelChanged(int modelIndex);
void selectionChanged(int modelIndex, int itemIndex);
void startDragAreaChanged(int startDragArea);
void endDragAreaChanged(int endDragArea);
void itemPressed(int modelIndex, int pressedItem);
public slots:
void clearData();
void requestPaint();
void setStartTime(qint64 arg)
{
if (m_startTime != arg) {
m_startTime = arg;
emit startTimeChanged(arg);
}
}
void setEndTime(qint64 arg)
{
if (m_endTime != arg) {
m_endTime = arg;
emit endTimeChanged(arg);
}
}
void setSelectionLocked(bool locked)
{
if (m_selectionLocked != locked) {
m_selectionLocked = locked;
update();
emit selectionLockedChanged(locked);
}
}
void setStartDragArea(int startDragArea)
{
if (m_startDragArea != startDragArea) {
m_startDragArea = startDragArea;
emit startDragAreaChanged(startDragArea);
}
}
void setEndDragArea(int endDragArea)
{
if (m_endDragArea != endDragArea) {
m_endDragArea = endDragArea;
emit endDragAreaChanged(endDragArea);
}
}
protected:
virtual void paint(QPainter *);
virtual void componentComplete();
virtual void mousePressEvent(QMouseEvent *event);
virtual void mouseReleaseEvent(QMouseEvent *event);
virtual void mouseMoveEvent(QMouseEvent *event);
virtual void hoverMoveEvent(QHoverEvent *event);
private:
void drawItemsToPainter(QPainter *p, int modelIndex, int fromIndex, int toIndex);
void drawSelectionBoxes(QPainter *p, int modelIndex, int fromIndex, int toIndex);
void drawBindingLoopMarkers(QPainter *p, int modelIndex, int fromIndex, int toIndex);
int modelFromPosition(int y);
int rowFromPosition(int y);
void manageClicked();
void manageHovered(int mouseX, int mouseY);
void setSelectedItem(int itemIndex)
{
if (m_selectedItem != itemIndex) {
m_selectedItem = itemIndex;
update();
emit selectedItemChanged(itemIndex);
}
}
void setSelectedModel(int modelIndex)
{
if (m_selectedModel != modelIndex) {
m_selectedModel = modelIndex;
update();
emit selectedModelChanged(modelIndex);
}
}
private:
static const int OutOfScreenMargin = 3; // margin to make sure the rectangles stay invisible
inline void getItemXExtent(int modelIndex, int i, int ¤tX, int &itemWidth);
void resetCurrentSelection();
qint64 m_startTime;
qint64 m_endTime;
qreal m_spacing;
qreal m_spacedDuration;
qint64 m_lastStartTime;
qint64 m_lastEndTime;
TimelineModelAggregator *m_profilerModelProxy;
struct {
qint64 startTime;
qint64 endTime;
int row;
int eventIndex;
int modelIndex;
} m_currentSelection;
int m_selectedItem;
int m_selectedModel;
bool m_selectionLocked;
int m_startDragArea;
int m_endDragArea;
};
} // namespace Internal
} // namespace QmlProfiler
QML_DECLARE_TYPE(QmlProfiler::Internal::TimelineRenderer)
#endif // TIMELINERENDERER_H
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