mirror of
https://github.com/yse/easy_profiler.git
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3017be305a
(profiler GUI) Lightening profiler::colors to be more bright; (ProfTreeWidget) Displaying per frame and per thread statistics; (ProfGraphicsView) Draw chronometer item text in Difference mode to be more readable.
495 lines
13 KiB
C++
495 lines
13 KiB
C++
/************************************************************************
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* file name : graphics_scrollbar.cpp
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* ----------------- :
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* creation time : 2016/07/04
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* copyright : (c) 2016 Victor Zarubkin
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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 : .
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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 : TODO: add license text
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************************************************************************/
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#include <algorithm>
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#include <QWheelEvent>
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#include <QMouseEvent>
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#include <QResizeEvent>
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#include <QContextMenuEvent>
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#include <QMenu>
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#include "graphics_scrollbar.h"
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//////////////////////////////////////////////////////////////////////////
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const qreal SCALING_COEFFICIENT = 1.25;
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const qreal SCALING_COEFFICIENT_INV = 1.0 / SCALING_COEFFICIENT;
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const int DEFAULT_TOP = -40;
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const int DEFAULT_HEIGHT = 80;
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//////////////////////////////////////////////////////////////////////////
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auto const clamp = [](qreal _minValue, qreal _value, qreal _maxValue)
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{
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return (_value < _minValue ? _minValue : (_value > _maxValue ? _maxValue : _value));
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};
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//////////////////////////////////////////////////////////////////////////
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ProfGraphicsSliderItem::ProfGraphicsSliderItem() : Parent(), m_halfwidth(0)
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{
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setWidth(1);
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setBrush(Qt::SolidPattern);
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}
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ProfGraphicsSliderItem::~ProfGraphicsSliderItem()
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{
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}
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void ProfGraphicsSliderItem::paint(QPainter* _painter, const QStyleOptionGraphicsItem* _option, QWidget* _widget)
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{
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//Parent::paint(_painter, _option, _widget);
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const auto currentScale = static_cast<const ProfGraphicsScrollbar*>(scene()->parent())->getWindowScale();
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const auto br = rect();
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qreal w = width() * currentScale;
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qreal dx = 0;
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if (w < 1.0)
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{
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dx = (w - 1.0) * 0.5;
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w = 1.0;
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}
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QRectF r(dx + br.left() * currentScale, br.top(), w, br.height());
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//auto center = r.center();
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//auto b = brush();
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//QPolygonF indicator;
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//indicator.reserve(3);
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//indicator.push_back(QPointF(center.x() - 4, r.top()));
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//indicator.push_back(QPointF(center.x(), r.top() + 5));
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//indicator.push_back(QPointF(center.x() + 4, r.top()));
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_painter->save();
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_painter->setTransform(QTransform::fromScale(1.0 / currentScale, 1), true);
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_painter->setBrush(brush());
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_painter->setPen(Qt::NoPen);
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_painter->drawRect(r);
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//b.setColor(b.color().rgb());
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//_painter->setBrush(b);
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//_painter->drawPolygon(indicator);
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_painter->restore();
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}
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qreal ProfGraphicsSliderItem::width() const
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{
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return m_halfwidth * 2.0;
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}
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qreal ProfGraphicsSliderItem::halfwidth() const
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{
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return m_halfwidth;
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}
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void ProfGraphicsSliderItem::setWidth(qreal _width)
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{
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m_halfwidth = _width * 0.5;
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setRect(-m_halfwidth, DEFAULT_TOP, _width, DEFAULT_HEIGHT);
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}
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void ProfGraphicsSliderItem::setHalfwidth(qreal _halfwidth)
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{
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m_halfwidth = _halfwidth;
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setRect(-m_halfwidth, DEFAULT_TOP, m_halfwidth * 2.0, DEFAULT_HEIGHT);
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}
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void ProfGraphicsSliderItem::setColor(QRgb _color)
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{
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setColor(QColor::fromRgba(_color));
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}
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void ProfGraphicsSliderItem::setColor(const QColor& _color)
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{
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auto b = brush();
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b.setColor(_color);
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setBrush(b);
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}
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//////////////////////////////////////////////////////////////////////////
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ProfMinimapItem::ProfMinimapItem() : Parent(), m_pSource(nullptr), m_maxDuration(0), m_minDuration(0), m_threadId(0)
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{
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}
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ProfMinimapItem::~ProfMinimapItem()
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{
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}
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QRectF ProfMinimapItem::boundingRect() const
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{
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return m_boundingRect;
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}
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void ProfMinimapItem::paint(QPainter* _painter, const QStyleOptionGraphicsItem* _option, QWidget* _widget)
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{
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if (m_pSource == nullptr)
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{
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return;
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}
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const auto currentScale = static_cast<const ProfGraphicsScrollbar*>(scene()->parent())->getWindowScale();
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const auto bottom = m_boundingRect.bottom();
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const auto coeff = m_boundingRect.height() / (m_maxDuration - m_minDuration);
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const auto heightRevert = 1.0 / m_boundingRect.height();
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QRectF rect;
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QBrush brush(Qt::SolidPattern);
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QRgb previousColor = 0;
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//brush.setColor(QColor::fromRgba(0x80808080));
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_painter->save();
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_painter->setPen(Qt::NoPen);
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//_painter->setBrush(brush);
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_painter->setTransform(QTransform::fromScale(1.0 / currentScale, 1), true);
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auto& items = *m_pSource;
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for (const auto& item : items)
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{
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// Draw rectangle
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const auto h = ::std::max((item.width() - m_minDuration) * coeff, 5.0);
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const auto col = h * heightRevert;
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//const auto color = ::profiler_gui::toRgb(col * 255, (1.0 - col) * 255, 0); // item.color;
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const auto color = 0x00ffffff & QColor::fromHsvF((1.0 - col) * 0.35, 0.85, 0.85).rgb();
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if (previousColor != color)
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{
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// Set background color brush for rectangle
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previousColor = color;
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brush.setColor(QColor::fromRgba(0xc0000000 | color));
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_painter->setBrush(brush);
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}
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rect.setRect(item.left() * currentScale, bottom - h, ::std::max(item.width() * currentScale, 1.0), h);
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_painter->drawRect(rect);
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}
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_painter->restore();
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}
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::profiler::thread_id_t ProfMinimapItem::threadId() const
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{
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return m_threadId;
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}
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void ProfMinimapItem::setBoundingRect(const QRectF& _rect)
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{
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m_boundingRect = _rect;
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}
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void ProfMinimapItem::setSource(::profiler::thread_id_t _thread_id, const ::profiler_gui::ProfItems* _items)
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{
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m_pSource = _items;
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m_threadId = _thread_id;
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if (m_pSource)
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{
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if (m_pSource->empty())
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{
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m_pSource = nullptr;
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}
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m_maxDuration = 0;
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m_minDuration = 1e30;
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for (const auto& item : *m_pSource)
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{
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auto w = item.width();
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if (w > m_maxDuration)
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{
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m_maxDuration = item.width();
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}
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if (w < m_minDuration)
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{
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m_minDuration = w;
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}
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}
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}
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if (m_pSource == nullptr)
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{
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hide();
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}
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else
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{
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show();
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}
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}
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//////////////////////////////////////////////////////////////////////////
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ProfGraphicsScrollbar::ProfGraphicsScrollbar(QWidget* _parent)
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: Parent(_parent)
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, m_minimumValue(0)
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, m_maximumValue(500)
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, m_value(10)
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, m_windowScale(1)
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, m_mouseButtons(Qt::NoButton)
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, m_slider(nullptr)
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, m_chronometerIndicator(nullptr)
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, m_minimap(nullptr)
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, m_bScrolling(false)
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{
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setCacheMode(QGraphicsView::CacheNone);
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setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
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setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
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//setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
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setOptimizationFlag(QGraphicsView::DontSavePainterState, true);
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setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setContentsMargins(0, 0, 0, 0);
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setMinimumHeight(DEFAULT_HEIGHT + 2);
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setMaximumHeight(DEFAULT_HEIGHT + 2);
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auto selfScene = new QGraphicsScene(this);
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selfScene->setSceneRect(0, DEFAULT_TOP, 500, DEFAULT_HEIGHT);
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setScene(selfScene);
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m_slider = new ProfGraphicsSliderItem();
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m_slider->setPos(0, 0);
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m_slider->setZValue(5);
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m_slider->setColor(0x80e00000);
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selfScene->addItem(m_slider);
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m_chronometerIndicator = new ProfGraphicsSliderItem();
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m_chronometerIndicator->setPos(0, 0);
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m_chronometerIndicator->setZValue(10);
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m_chronometerIndicator->setColor(0x40000000 | ::profiler_gui::CHRONOMETER_COLOR.rgba());
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selfScene->addItem(m_chronometerIndicator);
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m_chronometerIndicator->hide();
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m_minimap = new ProfMinimapItem();
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m_minimap->setPos(0, 0);
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m_minimap->setBoundingRect(selfScene->sceneRect());
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selfScene->addItem(m_minimap);
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m_minimap->hide();
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centerOn(0, 0);
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}
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ProfGraphicsScrollbar::~ProfGraphicsScrollbar()
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{
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}
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//////////////////////////////////////////////////////////////////////////
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qreal ProfGraphicsScrollbar::getWindowScale() const
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{
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return m_windowScale;
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}
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::profiler::thread_id_t ProfGraphicsScrollbar::minimapThread() const
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{
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return m_minimap->threadId();
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}
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qreal ProfGraphicsScrollbar::minimum() const
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{
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return m_minimumValue;
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}
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qreal ProfGraphicsScrollbar::maximum() const
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{
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return m_maximumValue;
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}
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qreal ProfGraphicsScrollbar::range() const
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{
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return m_maximumValue - m_minimumValue;
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}
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qreal ProfGraphicsScrollbar::value() const
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{
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return m_value;
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}
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//////////////////////////////////////////////////////////////////////////
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void ProfGraphicsScrollbar::setValue(qreal _value)
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{
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m_value = clamp(m_minimumValue, _value, ::std::max(m_minimumValue, m_maximumValue - m_slider->width()));
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m_slider->setX(m_value + m_slider->halfwidth());
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emit valueChanged(m_value);
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}
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void ProfGraphicsScrollbar::setRange(qreal _minValue, qreal _maxValue)
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{
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const auto oldRange = range();
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const auto oldValue = oldRange < 1e-3 ? 0.0 : m_value / oldRange;
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m_minimumValue = _minValue;
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m_maximumValue = _maxValue;
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scene()->setSceneRect(_minValue, DEFAULT_TOP, _maxValue - _minValue, DEFAULT_HEIGHT);
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m_minimap->setBoundingRect(scene()->sceneRect());
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emit rangeChanged();
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setValue(_minValue + oldValue * range());
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onWindowWidthChange(width());
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}
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void ProfGraphicsScrollbar::setSliderWidth(qreal _width)
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{
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m_slider->setWidth(_width);
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setValue(m_value);
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}
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//////////////////////////////////////////////////////////////////////////
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void ProfGraphicsScrollbar::setChronoPos(qreal _left, qreal _right)
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{
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m_chronometerIndicator->setWidth(_right - _left);
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m_chronometerIndicator->setX(_left + m_chronometerIndicator->halfwidth());
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}
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void ProfGraphicsScrollbar::showChrono()
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{
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m_chronometerIndicator->show();
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}
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void ProfGraphicsScrollbar::hideChrono()
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{
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m_chronometerIndicator->hide();
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}
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//////////////////////////////////////////////////////////////////////////
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void ProfGraphicsScrollbar::setMinimapFrom(::profiler::thread_id_t _thread_id, const ::profiler_gui::ProfItems* _items)
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{
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m_minimap->setSource(_thread_id, _items);
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scene()->update();
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}
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//////////////////////////////////////////////////////////////////////////
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void ProfGraphicsScrollbar::mousePressEvent(QMouseEvent* _event)
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{
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m_mouseButtons = _event->buttons();
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if (m_mouseButtons & Qt::LeftButton)
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{
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m_bScrolling = true;
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m_mousePressPos = _event->pos();
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setValue(mapToScene(m_mousePressPos).x() - m_minimumValue - m_slider->halfwidth());
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}
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_event->accept();
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//QGraphicsView::mousePressEvent(_event);
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}
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void ProfGraphicsScrollbar::mouseReleaseEvent(QMouseEvent* _event)
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{
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m_mouseButtons = _event->buttons();
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m_bScrolling = false;
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_event->accept();
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//QGraphicsView::mouseReleaseEvent(_event);
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}
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void ProfGraphicsScrollbar::mouseMoveEvent(QMouseEvent* _event)
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{
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if (m_mouseButtons & Qt::LeftButton)
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{
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const auto pos = _event->pos();
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const auto delta = pos - m_mousePressPos;
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m_mousePressPos = pos;
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if (m_bScrolling)
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{
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setValue(m_value + delta.x() / m_windowScale);
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}
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}
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}
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void ProfGraphicsScrollbar::resizeEvent(QResizeEvent* _event)
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{
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onWindowWidthChange(_event->size().width());
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}
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//////////////////////////////////////////////////////////////////////////
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void ProfGraphicsScrollbar::contextMenuEvent(QContextMenuEvent* _event)
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{
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if (::profiler_gui::EASY_GLOBALS.profiler_blocks.empty())
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{
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return;
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}
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QMenu menu;
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for (const auto& it : ::profiler_gui::EASY_GLOBALS.profiler_blocks)
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{
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QString label;
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if (it.second.thread_name && it.second.thread_name[0] != 0)
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{
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label = ::std::move(QString("%1 Thread %2").arg(it.second.thread_name).arg(it.first));
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}
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else
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{
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label = ::std::move(QString("Thread %1").arg(it.first));
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}
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auto action = new ProfIdAction(label, it.first);
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action->setCheckable(true);
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action->setChecked(it.first == ::profiler_gui::EASY_GLOBALS.selected_thread);
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connect(action, &ProfIdAction::clicked, this, &This::onThreadActionClicked);
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menu.addAction(action);
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}
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menu.exec(QCursor::pos());
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_event->accept();
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}
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//////////////////////////////////////////////////////////////////////////
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void ProfGraphicsScrollbar::onThreadActionClicked(::profiler::thread_id_t _id)
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{
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if (_id != m_minimap->threadId())
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{
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::profiler_gui::EASY_GLOBALS.selected_thread = _id;
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emit ::profiler_gui::EASY_GLOBALS.events.selectedThreadChanged(_id);
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}
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}
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//////////////////////////////////////////////////////////////////////////
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void ProfGraphicsScrollbar::onWindowWidthChange(qreal _width)
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{
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const auto oldScale = m_windowScale;
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const auto scrollingRange = range();
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if (scrollingRange < 1e-3)
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{
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m_windowScale = 1;
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}
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else
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{
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m_windowScale = _width / scrollingRange;
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}
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scale(m_windowScale / oldScale, 1);
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}
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//////////////////////////////////////////////////////////////////////////
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