feat(parameter): add clamp

src/Engine/Types.h

@@ -26,6 +26,8 @@ namespace enzo
     // basic types types
     namespace bt
     {
+        using floatT = double;
+        using intT = int64_t;
         using Vector3 = Eigen::Vector3d;
         using Vector4 = Eigen::Vector4d;
     }

src/Gui/Parameters/AbstractSliderParm.cpp

@@ -1,37 +1,73 @@
 #include "Gui/Parameters/AbstractSliderParm.h"
+#include "Engine/Types.h"
 #include <QPainter>
 #include <QPaintEvent>
+#include <QLabel>
 #include <iostream>
+#include <qboxlayout.h>
+#include <qnamespace.h>
+#include <algorithm>
+#include <string>
 
 
 enzo::ui::AbstractSliderParm::AbstractSliderParm(QWidget *parent, Qt::WindowFlags f)
 : QWidget(parent, f)
 {
-    setFixedHeight(20);
+    setFixedHeight(24);
     value_ = defaultValue_;
+    
+    mainLayout_ = new QVBoxLayout();
+    setLayout(mainLayout_);
 
+    valueLabel_ = new QLabel();
+    valueLabel_->setAlignment(Qt::AlignCenter);
+    valueLabel_->setStyleSheet("background-color: transparent;");
+    setStyleSheet("border-radius: 6px;");
+    mainLayout_->addWidget(valueLabel_);
+
+    setValue(value_);
 }
 
 void enzo::ui::AbstractSliderParm::paintEvent(QPaintEvent *event)
 {
     QPainter painter(this);
     painter.setRenderHint(QPainter::Antialiasing, true);
-    painter.setPen(Qt::black);
-    painter.setBrush(Qt::red);
+    painter.setPen(Qt::NoPen);
+    painter.setBrush(QColor("#383838"));
 
     QRectF fillRect = event->rect();
     float fillPercent = value_/maxValue_;
     std::cout << "fill percent" << fillPercent << "\n";
-    fillRect.adjust(0, 0, -fillRect.width()*(1-fillPercent), 0);
-    painter.drawRoundedRect(fillRect, 8, 8);
+    float margin = 3;
+    fillRect.adjust(margin, margin, std::max<float>(-fillRect.width()+margin, -fillRect.width()*(1-fillPercent)-margin), -margin);
+    painter.drawRoundedRect(fillRect, 6, 6);
+
+}
+
+void enzo::ui::AbstractSliderParm::setValue(bt::floatT value)
+{
+    if(value_==value)
+        return;
+
+    if(clampMin_ && value<minValue_) { value = minValue_; }
+    if(clampMax_ && value>maxValue_) { value = maxValue_; }
+
+    value_ = value;
+    update();
+    QString valStr = QString::number(value);
+    valStr.truncate(4);
+    valueLabel_->setText(valStr);
 
 }
 
 
 void enzo::ui::AbstractSliderParm::mouseMoveEvent(QMouseEvent *event)
 {
-    value_ = static_cast<float>(event->pos().x())/rect().width() * maxValue_;
-    update();
-    // std::cout << "pos x: " << fillPercent << "\n";
+    setValue(static_cast<float>(event->pos().x())/rect().width() * maxValue_);
+}
+
+void enzo::ui::AbstractSliderParm::mousePressEvent(QMouseEvent *event)
+{
+    setValue(static_cast<float>(event->pos().x())/rect().width() * maxValue_);
 }
 

src/Gui/Parameters/AbstractSliderParm.h

@@ -1,5 +1,8 @@
 #pragma once
+#include "Engine/Types.h"
 #include <QWidget>
+#include <QVBoxLayout>
+#include <QLabel>
 
 namespace enzo::ui
 {
@@ -11,14 +14,21 @@ public:
     AbstractSliderParm(QWidget *parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
 
 private:
-    float value_;
+    void setValue(bt::floatT value);
+
+    QVBoxLayout* mainLayout_;
+    QLabel* valueLabel_;
+    bt::floatT value_;
     float defaultValue_=0;
-    float minValue_;
-    float maxValue_=10;
+    bool clampMin_ = true;
+    bool clampMax_ = true;
+    bt::floatT minValue_=-5;
+    bt::floatT maxValue_=10;
 
 protected:
 void paintEvent(QPaintEvent *event) override;
 void mouseMoveEvent(QMouseEvent *event) override;
+void mousePressEvent(QMouseEvent *event) override;
 
 };