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easy_profiler/profiler_gui/easy_chronometer_item.h
2016-11-13 16:39:59 +03:00

136 lines
4.8 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 Sergey Yagovtsev, Victor Zarubkin
* :
* :
* : Licensed under 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.
* :
* :
* : GNU General Public License Usage
* : Alternatively, this file may be used under the terms of the GNU
* : General Public License as published by the Free Software Foundation,
* : either version 3 of the License, or (at your option) any later version.
* :
* : This program is distributed in the hope that it will be useful,
* : but WITHOUT ANY WARRANTY; without even the implied warranty of
* : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
* : GNU General Public License for more details.
* :
* : You should have received a copy of the GNU General Public License
* : along with this program.If not, see <http://www.gnu.org/licenses/>.
************************************************************************/
#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
{
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
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 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 setHover(bool _hover);
bool contains(const QPointF& _pos) const override;
inline bool hoverIndicator() const
{
return m_bHoverIndicator;
}
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_