ui done

src/MainWindow.cpp

@@ -11,8 +11,8 @@
 #include <QSizePolicy>
 #include <iostream>
 #include <QDial>
-#include "Slider.h"
 #include <iostream>
+#include <QColorDialog>
 
 MainWindow::MainWindow() {
 	simulation = new Simulation;
@@ -62,8 +62,10 @@ QWidget * MainWindow::buildAddUI() {
 	auto lyt = new QVBoxLayout(w);
 	lyt->setAlignment(Qt::AlignTop);
 
+	// Segments
 	auto segLabel = new QLabel();
 	auto segmentSlider = new Slider<>(segLabel, "Segments: %d", &segments);
+	{
 		segmentGrid = new QGridLayout();
 
 		segmentGrid->addWidget(new QLabel("Mass"), 0, 1);
@@ -120,7 +122,10 @@ QWidget * MainWindow::buildAddUI() {
 		segmentSlider->setValue(2);
 		segmentSlider->setMinimum(1);
 		segmentSlider->setMaximum(MaxSegments);
+	}
 
+	// Buttons for Segments
+	{
 		auto segmentButtonGrid = new QHBoxLayout;
 		lyt->addLayout(segmentButtonGrid);
 
@@ -135,50 +140,149 @@ QWidget * MainWindow::buildAddUI() {
 		segmentButtonGrid->addWidget(resetMassesBtn);
 		segmentButtonGrid->addWidget(normalizeLengthsBtn);
 		segmentButtonGrid->addWidget(resetLengthsBtn);
+	}
 
-	lyt->addWidget(new QLabel("Starting Angle:"));
+	// Starting Angle
+	{
+		auto angleLabel = new QLabel;
 		auto dial = new QDial;
+		dial->setWrapping(true);
 		dial->setMinimum(0);
 		dial->setMaximum(360);
 		dial->setMinimumSize(100, 100);
+		connect(dial, &QDial::valueChanged, [this, angleLabel](int value){
+			angleLabel->setText("Starting Angle: " + QString::fromStdString(std::to_string(value)) + "°");
+			startingAngle = value;
+		});
+		dial->setValue(startingAngle);
+
+		lyt->addWidget(angleLabel);
 		lyt->addWidget(dial);
+	}
 
+	// Color
+	{
 		auto colorLyt = new QHBoxLayout;
 		lyt->addLayout(colorLyt);
 
-	colorLyt->addWidget(new QPushButton("Select color"));
-	colorLyt->addWidget(new QLabel("Color this label"));
+		auto colorBtn = new QPushButton("Select color");
+		auto colorLabel = new QLabel;
+		colorLabel->setStyleSheet("background-color: white");
+
+		auto setLabelColor = [colorLabel](QColor c){
+			QString hex = c.name();
+			colorLabel->setStyleSheet("QLabel {background-color: " + hex + "; border: 2px solid black; border-radius: 5px;}");
+		};
+		connect(colorBtn, &QPushButton::clicked, [this, setLabelColor](){
+			color = QColorDialog::getColor(color);
+			setLabelColor(color);
+		});
+		setLabelColor(color);
 
-	lyt->addWidget(new QCheckBox("Add multiple"));
-	lyt->addWidget(new QCheckBox("Use rainbow coloring"));
+		colorLyt->addWidget(colorBtn);
+		colorLyt->addWidget(colorLabel);
+	}
 
-	lyt->addWidget(new QLabel("Count:"));
-	// lyt->addWidget(new Slider(nullptr, [](int v) {return "";}));
 
-	lyt->addWidget(new QLabel("Property to change slightly:"));
+	// Multiple
+	{
+		auto multipleWidget = new QWidget;
+		auto multipleCheckbox = new QCheckBox("Add multiple");
+		multipleCheckbox->setCheckState(Qt::Unchecked);
+		connect(multipleCheckbox, &QCheckBox::stateChanged, [this, multipleWidget](int state){
+			multiple = state == Qt::Checked;
+			multipleWidget->setVisible(multiple);
+		});
+
+		lyt->addWidget(multipleCheckbox);
+		lyt->addWidget(multipleWidget);
+
+		auto multipleLyt = new QVBoxLayout;
+		multipleWidget->setLayout(multipleLyt);
+		multipleWidget->setVisible(false);
+
+		// Rainbow coloring
+		{
+			auto rainbowCheckbox = new QCheckBox("Use rainbow coloring instead");
+			connect(rainbowCheckbox, &QCheckBox::stateChanged, [this](int state){
+				rainbow = state == Qt::Checked;
+			});
+			multipleLyt->addWidget(rainbowCheckbox);
+		}
+
+		// Count
+		{
+			auto countLabel = new QLabel;
+			auto countSlider = new Slider<>(countLabel, "Count: %d", &count);
+			countSlider->setMaximum(1000);
+			countSlider->setValue(count);
+			countSlider->setMinimum(5);
+
+			multipleLyt->addWidget(countLabel);
+			multipleLyt->addWidget(countSlider);
+		}
+
+		// Change
+		{
+			multipleLyt->addWidget(new QLabel("Property to change slightly:"));
 			auto group = new QButtonGroup;
 			auto b1 = new QRadioButton("Starting Angle");
-	auto b2 = new QRadioButton("Starting Mass");
-	auto b3 = new QRadioButton("Starting Length");
-	group->addButton(b1);
-	group->addButton(b2);
-	group->addButton(b3);
-	lyt->addWidget(b1);
-	lyt->addWidget(b2);
-	lyt->addWidget(b3);
+			auto b2 = new QRadioButton("Specific Mass");
+			auto b3 = new QRadioButton("Specific Length");
+			group->addButton(b1, 0);
+			group->addButton(b2, 1);
+			group->addButton(b3, 2);
+			multipleLyt->addWidget(b1);
+			multipleLyt->addWidget(b2);
+			multipleLyt->addWidget(b3);
 			b1->setChecked(true);
 
-	lyt->addWidget(new QLabel("Index:"));
-	// lyt->addWidget(new Slider(nullptr, [](int v) {return "";}));
+			auto indexLabel = new QLabel;
+			indexLabel->setVisible(false);
+			auto indexSlider = new Slider<>(indexLabel, "Index: %d", &changeIndex);
+			indexSlider->setVisible(false);
+			indexSlider->setValue(1);
+			indexSlider->setValue(0);
+			indexSlider->setMaximum(segments - 1);
+
+			connect(segmentSlider, &QSlider::valueChanged, [this, indexSlider](){
+				indexSlider->setMaximum(segments - 1);
+			});
+
+			connect(group, &QButtonGroup::idClicked, [this, indexLabel, indexSlider](int id){
+				changeProperty = static_cast<Property>(id);
+				bool indexVisible = changeProperty == Mass || changeProperty == Length;
+				indexLabel->setVisible(indexVisible);
+				indexSlider->setVisible(indexVisible);
+			});
+
+			multipleLyt->addWidget(indexLabel);
+			multipleLyt->addWidget(indexSlider);
 
-	lyt->addWidget(new QLabel("Change Amount:"));
-	// lyt->addWidget(new Slider(nullptr, [](int v) {return "";}));
+			auto amountLabel = new QLabel;
+			auto amountSlider = new Slider<double>(amountLabel, "Change Amount: %5.3f%%", &changeAmount, [](int v){
+				return double(v) / 1000;
+			}, [](double v){
+				return int(v * 1000);
+			});
+			amountSlider->setMinimum(1);
+			amountSlider->setMaximum(1000);
+			multipleLyt->addWidget(amountLabel);
+			multipleLyt->addWidget(amountSlider);
+		}
+	}
 
 	auto btnLyt = new QHBoxLayout;
 	lyt->addLayout(btnLyt);
 
-	btnLyt->addWidget(new QPushButton("Add"));
-	btnLyt->addWidget(new QPushButton("Remove"));
+	auto addBtn = new QPushButton("Add");
+	auto removeBtn = new QPushButton("Remove");
+
+	connect(addBtn, &QPushButton::clicked, this, &MainWindow::add);
+	connect(removeBtn, &QPushButton::clicked, this, &MainWindow::remove);
+
+	btnLyt->addWidget(addBtn);
+	btnLyt->addWidget(removeBtn);
 
 	return w;
 }
@@ -187,18 +291,52 @@ QWidget * MainWindow::buildSimulationUI() {
 	auto w = new QWidget;
 
 	auto lyt = new QVBoxLayout(w);
-	lyt->addWidget(new QLabel("Gravity:"));
-	// lyt->addWidget(new Slider(nullptr, [](int v) {return "";}));
-	lyt->addWidget(new QLabel("Timescale:"));
-	// lyt->addWidget(new Slider(nullptr, [](int v) {return "";}));
-	lyt->addWidget(new QLabel("PBD Substeps:"));
-	// lyt->addWidget(new Slider(nullptr, [](int v) {return "";}));
+
+	auto gravityLabel = new QLabel;
+	auto timescaleLabel = new QLabel;
+	auto substepsLabel = new QLabel;
+
+	gravitySlider = new Slider<double>(gravityLabel, "Gravity: %.2f N/kg", &simulation->gravity, [](int v){
+		return double(v) / 100;
+	}, [](double v){
+		return int(v * 100);
+	});
+	timescaleSlider = new Slider<double>(timescaleLabel, "Timescale: x%4.2f", &simulation->timescale, [](int v){
+		return double(v) / 100;
+	}, [](double v){
+		return int(v * 100);
+	});
+	substepsSlider = new Slider<>(substepsLabel, "Substeps: %d", &simulation->substeps);
+
+	gravitySlider->setMaximum(3000);
+	timescaleSlider->setMinimum(1);
+	timescaleSlider->setMaximum(500);
+	substepsSlider->setMinimum(1);
+	substepsSlider->setMaximum(1000);
+
+	resetSimulationControl();
+
+	lyt->addWidget(gravityLabel);
+	lyt->addWidget(gravitySlider);
+	lyt->addWidget(timescaleLabel);
+	lyt->addWidget(timescaleSlider);
+	lyt->addWidget(substepsLabel);
+	lyt->addWidget(substepsSlider);
 
 	auto btnLyt = new QHBoxLayout;
 	lyt->addLayout(btnLyt);
 
-	btnLyt->addWidget(new QPushButton("Reset"));
-	btnLyt->addWidget(new QPushButton("Resume/Pause"));
+	auto reset = new QPushButton("Reset");
+	auto togglePlay = new QPushButton("Resume");
+
+	connect(reset, &QPushButton::clicked, this, &MainWindow::resetSimulationControl);
+	connect(togglePlay, &QPushButton::clicked, this, &MainWindow::toggleSimulation);
+	connect(togglePlay, &QPushButton::clicked, [this, togglePlay](){
+		togglePlay->setText(simulation->isPlaying ? "Pause" : "Resume");
+	});
+
+	btnLyt->addWidget(reset);
+	btnLyt->addWidget(togglePlay);
 
 	return w;
 }
@@ -229,3 +367,21 @@ void MainWindow::normalizeLengths() {
 		dynamic_cast<Slider<double> *>(segmentGrid->itemAtPosition(i + 1, 4)->widget())->setFromTarget();
 	}
 }
+
+void MainWindow::add() {
+
+}
+
+void MainWindow::remove() {
+
+}
+
+void MainWindow::resetSimulationControl() {
+	gravitySlider->setValue(981);
+	timescaleSlider->setValue(100);
+	substepsSlider->setValue(30);
+}
+
+void MainWindow::toggleSimulation() {
+	simulation->isPlaying = !simulation->isPlaying;
+}

src/MainWindow.h

@@ -1,5 +1,6 @@
 #include <QWidget>
 #include <vector>
+#include "Slider.h"
 
 class Simulation;
 class QGridLayout;
@@ -22,7 +23,7 @@ private:
 
 	std::vector<double> masses, lengths;
 	int segments = 0;
-	double startingAngle = 90;
+	int startingAngle = 90;
 	QColor color = Qt::white;
 	bool multiple = false;
 	bool rainbow = false;
@@ -32,9 +33,17 @@ private:
 	double changeAmount = 0.001;
 
 	QGridLayout * segmentGrid;
+	Slider<double> * gravitySlider, * timescaleSlider;
+	Slider<> * substepsSlider;
+
 
 public slots:
 	void resetMasses();
 	void resetLengths();
 	void normalizeLengths();
+	void add();
+	void remove();
+
+	void resetSimulationControl();
+	void toggleSimulation();
 };

src/Simulation.h

@@ -9,10 +9,11 @@ public:
 
 	double size = 50;
 
-private:
-	std::vector<Pendulum *> pendula;
-
 	double gravity;
 	double timescale;
-	uint64_t substeps;
+	int substeps;
+
+	bool isPlaying = false;
+
+	std::vector<Pendulum *> pendula;
 };