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Easyprofiler added
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Arin Alexander
342
3rdparty/easyprofiler/profiler_gui/easy_graphics_scrollbar.h
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342
3rdparty/easyprofiler/profiler_gui/easy_graphics_scrollbar.h
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/************************************************************************
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* file name : easy_graphics_scrollbar.h
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* ----------------- :
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* creation time : 2016/07/04
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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 : This file contains declaration of
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* ----------------- :
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* change log : * 2016/07/04 Victor Zarubkin: Initial commit.
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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__GRAPHICS_SCROLLBAR__H
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#define EASY__GRAPHICS_SCROLLBAR__H
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#include <stdlib.h>
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#include <thread>
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#include <atomic>
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#include <QGraphicsView>
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#include <QGraphicsRectItem>
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#include <QAction>
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#include <QPolygonF>
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#include <QImage>
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#include "easy_qtimer.h"
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#include "common_types.h"
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//////////////////////////////////////////////////////////////////////////
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// TODO: use profiler_core/spin_lock.h
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#define EASY_GUI_USE_CRITICAL_SECTION // Use CRITICAL_SECTION instead of std::atomic_flag
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#if defined(_WIN32) && defined(EASY_GUI_USE_CRITICAL_SECTION)
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namespace profiler_gui {
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// std::atomic_flag on Windows works slower than critical section, so we will use it instead of std::atomic_flag...
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// By the way, Windows critical sections are slower than std::atomic_flag on Unix.
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class spin_lock { void* m_lock; public:
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void lock();
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void unlock();
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spin_lock();
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~spin_lock();
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};
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#else
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namespace profiler_gui {
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// std::atomic_flag on Unix works fine and very fast (almost instant!)
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class spin_lock {
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::std::atomic_flag m_lock; public:
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void lock() {
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while (m_lock.test_and_set(::std::memory_order_acquire));
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}
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void unlock() {
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m_lock.clear(::std::memory_order_release);
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}
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spin_lock() {
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m_lock.clear();
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}
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};
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#endif
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} // END of namespace profiler_gui.
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//////////////////////////////////////////////////////////////////////////
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class EasyGraphicsSliderItem : public QGraphicsRectItem
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{
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typedef QGraphicsRectItem Parent;
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typedef EasyGraphicsSliderItem This;
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private:
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QPolygonF m_indicator;
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qreal m_halfwidth;
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bool m_bMain;
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public:
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explicit EasyGraphicsSliderItem(bool _main);
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virtual ~EasyGraphicsSliderItem();
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void paint(QPainter* _painter, const QStyleOptionGraphicsItem* _option, QWidget* _widget = nullptr) override;
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qreal width() const;
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qreal halfwidth() const;
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void setWidth(qreal _width);
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void setHalfwidth(qreal _halfwidth);
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void setColor(QRgb _color);
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void setColor(const QColor& _color);
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}; // END of class EasyGraphicsSliderItem.
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//////////////////////////////////////////////////////////////////////////
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class EasyHistogramItem : public QGraphicsItem
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{
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typedef QGraphicsItem Parent;
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typedef EasyHistogramItem This;
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public:
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enum HistRegime : uint8_t { Hist_Pointer, Hist_Id };
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private:
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QRectF m_boundingRect;
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qreal m_topDuration;
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qreal m_bottomDuration;
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qreal m_maxDuration;
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qreal m_minDuration;
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qreal m_mouseY;
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qreal m_imageOrigin;
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qreal m_imageScale;
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qreal m_imageOriginUpdate;
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qreal m_imageScaleUpdate;
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qreal m_workerImageOrigin;
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qreal m_workerImageScale;
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qreal m_workerTopDuration;
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qreal m_workerBottomDuration;
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::profiler::timestamp_t m_blockTotalDuraion;
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QString m_topDurationStr;
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QString m_bottomDurationStr;
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QString m_threadName;
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QString m_blockName;
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::profiler::BlocksTree::children_t m_selectedBlocks;
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QImage m_mainImage;
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EasyQTimer m_timer;
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EasyQTimer m_boundaryTimer;
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::std::thread m_workerThread;
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::profiler::timestamp_t m_threadDuration;
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::profiler::timestamp_t m_threadProfiledTime;
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::profiler::timestamp_t m_threadWaitTime;
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const ::profiler_gui::EasyItems* m_pSource;
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QImage* m_workerImage;
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const ::profiler::BlocksTreeRoot* m_pProfilerThread;
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::profiler::thread_id_t m_threadId;
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::profiler::block_index_t m_blockId;
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int m_timeouts;
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::profiler_gui::TimeUnits m_timeUnits;
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HistRegime m_regime;
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bool m_bPermitImageUpdate; ///< Is false when m_workerThread is parsing input dataset (when setSource(_block_id) is called)
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::profiler_gui::spin_lock m_spin;
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::std::atomic_bool m_bReady;
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public:
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explicit EasyHistogramItem();
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virtual ~EasyHistogramItem();
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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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::profiler::thread_id_t threadId() const;
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void setBoundingRect(const QRectF& _rect);
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void setBoundingRect(qreal x, qreal y, qreal w, qreal h);
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void setSource(::profiler::thread_id_t _thread_id, const ::profiler_gui::EasyItems* _items);
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void setSource(::profiler::thread_id_t _thread_id, ::profiler::block_id_t _block_id);
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void rebuildSource(HistRegime _regime);
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void rebuildSource();
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void validateName();
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void updateImage();
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void cancelImageUpdate();
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void pickTopBoundary(qreal _y);
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void increaseTopBoundary();
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void decreaseTopBoundary();
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void pickBottomBoundary(qreal _y);
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void increaseBottomBoundary();
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void decreaseBottomBoundary();
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void setMouseY(qreal _mouseY);
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void pickFrameTime(qreal _y) const;
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void onValueChanged();
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void onModeChanged();
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private:
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void paintBusyIndicator(QPainter* _painter, qreal _current_scale);
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void paintMouseIndicator(QPainter* _painter, qreal _top, qreal _bottom, qreal _width, qreal _height, qreal _top_width, qreal _mouse_y, qreal _delta_time, int _font_h);
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void paintByPtr(QPainter* _painter);
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void paintById(QPainter* _painter);
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void onTimeout();
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void updateImage(QRectF _boundingRect, HistRegime _regime, qreal _current_scale,
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qreal _minimum, qreal _maximum, qreal _range,
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qreal _value, qreal _width, qreal _top_duration, qreal _bottom_duration, bool _bindMode,
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float _frame_time, ::profiler::timestamp_t _begin_time, qreal _origin, bool _autoAdjustHist);
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}; // END of class EasyHistogramItem.
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//////////////////////////////////////////////////////////////////////////
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class EasyGraphicsScrollbar : public QGraphicsView
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{
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Q_OBJECT
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private:
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typedef QGraphicsView Parent;
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typedef EasyGraphicsScrollbar This;
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qreal m_minimumValue;
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qreal m_maximumValue;
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qreal m_value;
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qreal m_windowScale;
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QPoint m_mousePressPos;
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Qt::MouseButtons m_mouseButtons;
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EasyGraphicsSliderItem* m_slider;
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EasyGraphicsSliderItem* m_chronometerIndicator;
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EasyHistogramItem* m_histogramItem;
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int m_defaultFontHeight;
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bool m_bScrolling;
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bool m_bBindMode;
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bool m_bLocked;
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public:
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explicit EasyGraphicsScrollbar(QWidget* _parent = nullptr);
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virtual ~EasyGraphicsScrollbar();
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// Public virtual methods
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void mousePressEvent(QMouseEvent* _event) override;
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void mouseReleaseEvent(QMouseEvent* _event) override;
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void mouseMoveEvent(QMouseEvent* _event) override;
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void wheelEvent(QWheelEvent* _event) override;
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void resizeEvent(QResizeEvent* _event) override;
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void dragEnterEvent(QDragEnterEvent*) override {}
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public:
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// Public non-virtual methods
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void clear();
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bool bindMode() const;
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qreal getWindowScale() const;
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::profiler::thread_id_t hystThread() const;
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qreal minimum() const;
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qreal maximum() const;
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qreal range() const;
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qreal value() const;
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qreal sliderWidth() const;
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qreal sliderHalfWidth() const;
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int defaultFontHeight() const;
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void setValue(qreal _value);
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void setRange(qreal _minValue, qreal _maxValue);
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void setSliderWidth(qreal _width);
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void setChronoPos(qreal _left, qreal _right);
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void showChrono();
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void hideChrono();
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void setHistogramSource(::profiler::thread_id_t _thread_id, const::profiler_gui::EasyItems* _items);
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void setHistogramSource(::profiler::thread_id_t _thread_id, ::profiler::block_id_t _block_id);
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inline void setHistogramSource(::profiler::thread_id_t _thread_id, const ::profiler_gui::EasyItems& _items)
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{
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setHistogramSource(_thread_id, &_items);
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}
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inline void lock()
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{
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m_bLocked = true;
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}
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inline void unlock()
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{
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m_bLocked = false;
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}
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signals:
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void rangeChanged();
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void valueChanged(qreal _value);
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void wheeled(qreal _mouseX, int _wheelDelta);
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private slots:
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void onThreadViewChanged();
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void onWindowWidthChange(qreal _width);
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}; // END of class EasyGraphicsScrollbar.
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//////////////////////////////////////////////////////////////////////////
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#endif // EASY__GRAPHICS_SCROLLBAR__H
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