130 lines
3.5 KiB
C++
130 lines
3.5 KiB
C++
#include "Gui/Parameters/IntSliderParm.h"
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#include "Engine/Parameter/Range.h"
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#include "Engine/Types.h"
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#include <QPainter>
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#include <QPaintEvent>
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#include <QLabel>
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#include <cmath>
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#include <iostream>
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#include <qboxlayout.h>
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#include <qnamespace.h>
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#include <algorithm>
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#include <string>
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#include <icecream.hpp>
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enzo::ui::IntSliderParm::IntSliderParm(std::weak_ptr<prm::Parameter> parameter, QWidget *parent, Qt::WindowFlags f)
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: QWidget(parent, f)
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{
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// tells qt to style the widget even though it's a Q_OBJECT
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setAttribute(Qt::WA_StyledBackground, true);
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setFixedHeight(24);
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notchPen_ = QPen(QColor("#383838"), notchWidth, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
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parameter_=parameter;
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mainLayout_ = new QVBoxLayout();
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setLayout(mainLayout_);
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valueLabel_ = new QLabel();
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valueLabel_->setAlignment(Qt::AlignCenter);
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valueLabel_->setStyleSheet("background-color: none;");
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setProperty("type", "SliderParm");
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setStyleSheet(R"(
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QWidget[type="SliderParm"]
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{
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border-radius: 6px;
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border: 1px solid #383838;
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}
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)");
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mainLayout_->addWidget(valueLabel_);
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if(auto parameterShared=parameter_.lock())
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{
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auto range = parameterShared->getTemplate().getRange();
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minValue_=range.getMin();
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maxValue_=range.getMax();
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clampMin_=range.getMinFlag()==prm::RangeFlag::LOCKED;
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clampMax_=range.getMaxFlag()==prm::RangeFlag::LOCKED;
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setValueImpl(parameterShared->evalInt());
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}
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else
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{
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throw std::bad_weak_ptr();
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}
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}
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void enzo::ui::IntSliderParm::paintEvent(QPaintEvent *event)
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{
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing, true);
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const int valueRange = maxValue_-minValue_;
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float fillPercent = std::clamp<float>(static_cast<float>(value_-minValue_)/valueRange, 0, 1);
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float margin = 3;
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float fillWidth = rect().width()-margin*2;
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fillWidth *= fillPercent;
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QRectF fillRect = {rect().left()+margin, rect().top()+margin, fillWidth, rect().height()-margin*2};
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painter.setPen(notchPen_);
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QRectF markerLinesRect = rect();
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markerLinesRect.adjust(margin, margin, -margin, -margin);
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for(int i=minValue_+1;i<maxValue_; ++i)
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{
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float x = ((i-minValue_)*markerLinesRect.width())/valueRange;
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x += notchWidth+4; // offset
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const float y = markerLinesRect.bottom()-2;
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painter.drawLine(x, y, x, y-5);
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}
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painter.setPen(Qt::NoPen);
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painter.setBrush(QColor("#383838"));
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painter.drawRoundedRect(fillRect, 6, 6);
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}
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void enzo::ui::IntSliderParm::setValueImpl(bt::intT value)
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{
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if(clampMin_ && value<minValue_) { value = minValue_; }
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if(clampMax_ && value>maxValue_) { value = maxValue_; }
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value_ = value;
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QString valStr = QString::number(value_);
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valStr.truncate(4);
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valueLabel_->setText(valStr);
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}
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void enzo::ui::IntSliderParm::setValue(bt::intT value)
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{
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setValueImpl(value);
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update();
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valueChanged(value_);
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}
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void enzo::ui::IntSliderParm::mouseMoveEvent(QMouseEvent *event)
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{
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// normalized
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float value = static_cast<float>(event->pos().x())/rect().width();
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//remap
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value = minValue_+(maxValue_-minValue_)*value;
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setValue(rint(value));
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}
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void enzo::ui::IntSliderParm::mousePressEvent(QMouseEvent *event)
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{
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// normalized
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float value = static_cast<float>(event->pos().x())/rect().width();
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//remap
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value = minValue_+(maxValue_-minValue_)*value;
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setValue(rint(value));
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}
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