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LimeReport/3rdparty/easyprofiler/profiler_gui/easy_chronometer_item.h
2018-02-28 23:19:14 +03:00

172 lines
6.1 KiB
C++

/************************************************************************
* file name : easy_chronometer_item.h
* ----------------- :
* creation time : 2016/09/15
* author : Victor Zarubkin
* email : v.s.zarubkin@gmail.com
* ----------------- :
* description : The file contains declaration of EasyChronometerItem - an item
* : used to display selected interval on graphics scene.
* ----------------- :
* change log : * 2016/09/15 Victor Zarubkin: moved sources from blocks_graphics_view.h
* :
* : *
* ----------------- :
* license : Lightweight profiler library for c++
* : Copyright(C) 2016-2017 Sergey Yagovtsev, Victor Zarubkin
* :
* : Licensed under either of
* : * MIT license (LICENSE.MIT or http://opensource.org/licenses/MIT)
* : * Apache License, Version 2.0, (LICENSE.APACHE or http://www.apache.org/licenses/LICENSE-2.0)
* : at your option.
* :
* : The MIT License
* :
* : Permission is hereby granted, free of charge, to any person obtaining a copy
* : of this software and associated documentation files (the "Software"), to deal
* : in the Software without restriction, including without limitation the rights
* : to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* : of the Software, and to permit persons to whom the Software is furnished
* : to do so, subject to the following conditions:
* :
* : The above copyright notice and this permission notice shall be included in all
* : copies or substantial portions of the Software.
* :
* : THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* : INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* : PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* : LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* : TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* : USE OR OTHER DEALINGS IN THE SOFTWARE.
* :
* : The Apache License, Version 2.0 (the "License")
* :
* : You may not use this file except in compliance with the License.
* : You may obtain a copy of the License at
* :
* : http://www.apache.org/licenses/LICENSE-2.0
* :
* : Unless required by applicable law or agreed to in writing, software
* : distributed under the License is distributed on an "AS IS" BASIS,
* : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* : See the License for the specific language governing permissions and
* : limitations under the License.
************************************************************************/
#ifndef EASY_CHRONOMETER_ITEM_H
#define EASY_CHRONOMETER_ITEM_H
#include <QGraphicsItem>
#include <QRectF>
#include <QPolygonF>
#include <QColor>
//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
class QWidget;
class QPainter;
class QStyleOptionGraphicsItem;
class EasyGraphicsView;
class EasyChronometerItem : public QGraphicsItem
{
typedef QGraphicsItem Parent;
typedef EasyChronometerItem This;
QPolygonF m_indicator; ///< Indicator displayed when this chrono item is out of screen (displaying only for main item)
QRectF m_boundingRect; ///< boundingRect (see QGraphicsItem)
QColor m_color; ///< Color of the item
qreal m_left, m_right; ///< Left and right bounds of the selection zone
bool m_bMain; ///< Is this chronometer main (true, by default)
bool m_bReverse; ///<
bool m_bHoverIndicator; ///< Mouse hover above indicator
bool m_bHoverLeftBorder;
bool m_bHoverRightBorder;
public:
explicit EasyChronometerItem(bool _main = true);
virtual ~EasyChronometerItem();
// Public virtual methods
QRectF boundingRect() const override;
void paint(QPainter* _painter, const QStyleOptionGraphicsItem* _option, QWidget* _widget = nullptr) override;
public:
// Public non-virtual methods
void hide();
void setColor(const QColor& _color);
void setBoundingRect(qreal x, qreal y, qreal w, qreal h);
void setBoundingRect(const QRectF& _rect);
void setLeftRight(qreal _left, qreal _right);
void setReverse(bool _reverse);
void setHoverIndicator(bool _hover);
bool indicatorContains(const QPointF& _pos) const;
void setHoverLeft(bool _hover);
void setHoverRight(bool _hover);
bool hoverLeft(qreal _x) const;
bool hoverRight(qreal _x) const;
QPointF toItem(const QPointF& _pos) const;
qreal toItem(qreal _x) const;
inline bool hoverIndicator() const
{
return m_bHoverIndicator;
}
inline bool hoverLeft() const
{
return m_bHoverLeftBorder;
}
inline bool hoverRight() const
{
return m_bHoverRightBorder;
}
inline bool reverse() const
{
return m_bReverse;
}
inline qreal left() const
{
return m_left;
}
inline qreal right() const
{
return m_right;
}
inline qreal width() const
{
return m_right - m_left;
}
private:
///< Returns pointer to the EasyGraphicsView widget.
const EasyGraphicsView* view() const;
EasyGraphicsView* view();
}; // END of class EasyChronometerItem.
//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
#endif // EASY_CHRONOMETER_ITEM_H