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