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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef TIMELINEVIEW_H
#define TIMELINEVIEW_H
#include <QDeclarativeItem>
#include <QScriptValue>
#include <qmljsdebugclient/qmlprofilereventlist.h>
namespace QmlProfiler {
namespace Internal {
class TimelineView : public QDeclarativeItem
{
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* eventList READ eventList WRITE setEventList NOTIFY eventListChanged)
Q_PROPERTY(bool selectionLocked READ selectionLocked WRITE setSelectionLocked NOTIFY selectionLockedChanged)
Q_PROPERTY(int selectedItem READ selectedItem WRITE setSelectedItem NOTIFY selectedItemChanged)
Q_PROPERTY(int startDragArea READ startDragArea WRITE setStartDragArea NOTIFY startDragAreaChanged)
Q_PROPERTY(int endDragArea READ endDragArea WRITE setEndDragArea NOTIFY endDragAreaChanged)
public:
explicit TimelineView(QDeclarativeItem *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 startDragArea() const
{
return m_startDragArea;
}
int endDragArea() const
{
return m_endDragArea;
}
QmlJsDebugClient::QmlProfilerEventList *eventList() const { return m_eventList; }
void setEventList(QObject *eventList)
{
m_eventList = qobject_cast<QmlJsDebugClient::QmlProfilerEventList *>(eventList);
emit eventListChanged(m_eventList);
}
Q_INVOKABLE qint64 getDuration(int index) const;
Q_INVOKABLE QString getFilename(int index) const;
Q_INVOKABLE int getLine(int index) const;
Q_INVOKABLE QString getDetails(int index) const;
Q_INVOKABLE int getYPosition(int index) const;
Q_INVOKABLE void setRowExpanded(int rowIndex, bool expanded);
Q_INVOKABLE void selectNext();
Q_INVOKABLE void selectPrev();
Q_INVOKABLE int nextItemFromId(int eventId) const;
Q_INVOKABLE int prevItemFromId(int eventId) const;
Q_INVOKABLE void selectNextFromId(int eventId);
Q_INVOKABLE void selectPrevFromId(int eventId);
signals:
void startTimeChanged(qint64 arg);
void endTimeChanged(qint64 arg);
void eventListChanged(QmlJsDebugClient::QmlProfilerEventList *list);
void selectionLockedChanged(bool locked);
void selectedItemChanged(int itemIndex);
void startDragAreaChanged(int startDragArea);
void endDragAreaChanged(int endDragArea);
void itemPressed(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 setSelectedItem(int itemIndex)
{
if (m_selectedItem != itemIndex) {
m_selectedItem = itemIndex;
update();
emit selectedItemChanged(itemIndex);
}
}
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 *, const QStyleOptionGraphicsItem *, QWidget *);
virtual void componentComplete();
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
private:
QColor colorForItem(int itemIndex);
void drawItemsToPainter(QPainter *p, int fromIndex, int toIndex);
void drawSelectionBoxes(QPainter *p, int fromIndex, int toIndex);
void drawBindingLoopMarkers(QPainter *p, int fromIndex, int toIndex);
void manageClicked();
void manageHovered(int x, int y);
private:
qint64 m_startTime;
qint64 m_endTime;
qreal m_spacing;
qint64 m_lastStartTime;
qint64 m_lastEndTime;
QmlJsDebugClient::QmlProfilerEventList *m_eventList;
QList<int> m_rowLastX;
QList<int> m_rowStarts;
QList<int> m_rowWidths;
QList<bool> m_rowsExpanded;
struct {
qint64 startTime;
qint64 endTime;
int row;
int eventIndex;
} m_currentSelection;
int m_selectedItem;
bool m_selectionLocked;
int m_startDragArea;
int m_endDragArea;
};
} // namespace Internal
} // namespace QmlProfiler
QML_DECLARE_TYPE(QmlProfiler::Internal::TimelineView)
#endif // TIMELINEVIEW_H
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