1 files changed, 37 insertions, 0 deletions
diff --git a/src/gui.h b/src/gui.h
new file mode 100644
index 0000000..76a1128
--- /dev/null
+++ b/src/gui.h
@@ -0,0 +1,37 @@
+#pragma once
+
+#include <SDL.h>
+
+#include <vector>
+#include "sequence.h"
+
+class Slider {
+public:
+	Slider(int x, int y, float* valuePtr, float scaling = 1.f)
+		: m_bounds({ x, y, 25, 75 }), value(valuePtr), valueScaling(scaling) {}
+
+	void Draw(SDL_Renderer*);
+	bool InBounds(int x, int y);
+
+	float* value;
+	float valueScaling;
+private:
+	SDL_Rect m_bounds;
+};
+
+class GUI {
+public:
+	GUI(Sequence&);
+
+	void OnMouseDown(int x, int y);
+	void OnMouseUp();
+	void OnMouseMove(int x, int y);
+
+	void Repaint(SDL_Renderer*, int currentStep);
+private:
+	std::vector<Slider> m_sliders;
+
+	Sequence& m_sequence;
+	Slider* m_activeSlider{ nullptr };
+	int m_dragStart{ 0 };
+};
+\ No newline at end of file