From 0f34fd437efb936ef29ac91186321aa7251fbfb1 Mon Sep 17 00:00:00 2001
From: Samuel Fadel <samuel@nihil.ws>
Date: Tue, 23 May 2023 11:22:33 +0200
Subject: Massive changes in initial port away from Qt.

---
 scatterplot.h | 72 +++++++++++++++++++++++++++++------------------------------
 1 file changed, 35 insertions(+), 37 deletions(-)

(limited to 'scatterplot.h')

diff --git a/scatterplot.h b/scatterplot.h
index 468ef13..8286b7d 100644
--- a/scatterplot.h
+++ b/scatterplot.h
@@ -1,74 +1,71 @@
 #ifndef SCATTERPLOT_H
 #define SCATTERPLOT_H
 
+#include <memory>
 #include <vector>
 
-#include <QtQuick>
-
 #include <armadillo>
+#include <nod.hpp>
 
 #include "colorscale.h"
+#include "quadtree.h"
+#include "geometry.h"
 #include "scale.h"
 
-class QuadTree;
-
 class Scatterplot
-    : public QQuickItem
 {
-    Q_OBJECT
-    Q_PROPERTY(float glyphSize READ glyphSize WRITE setGlyphSize NOTIFY glyphSizeChanged)
 public:
     static const int PADDING = 20;
 
-    Scatterplot(QQuickItem *parent = 0);
-    virtual ~Scatterplot();
+    Scatterplot();
 
     arma::mat XY() const;
-    void setColorScale(const ColorScale *colorScale);
+    void setColorScale(std::shared_ptr<const ColorScale> colorScale);
     void setAutoScale(bool autoScale);
+
+    float x() const { return m_x; }
+    float y() const { return m_y; }
+    float width() const { return m_width; }
+    float height() const { return m_height; }
+
     float glyphSize() const { return m_glyphSize; }
     void setGlyphSize(float glyphSize);
 
     void setDragEnabled(bool enabled) { m_dragEnabled = enabled; }
     bool isDragEnabled() const { return m_dragEnabled; }
 
-signals:
-    void xyChanged(const arma::mat &XY) const;
-    void xyInteractivelyChanged(const arma::mat &XY) const;
-    void colorDataChanged(const arma::vec &colorData) const;
-    void opacityDataChanged(const arma::vec &opacityData) const;
-    void selectionChanged(const std::vector<bool> &selection) const;
-    void selectionInteractivelyChanged(const std::vector<bool> &selection) const;
-    void itemBrushed(int item) const;
-    void itemInteractivelyBrushed(int item) const;
-    void scaleChanged(const LinearScale<float> &sx, const LinearScale<float> &sy) const;
-    void glyphSizeChanged(float glyphSize) const;
-
-public slots:
+    nod::signal<void(const arma::mat &)> xyChanged, xyInteractivelyChanged;
+    nod::signal<void(const arma::vec &)> colorDataChanged, opacityDataChanged;
+    nod::signal<void(const std::vector<bool> &)> selectionChanged, selectionInteractivelyChanged;
+    nod::signal<void(int)> itemBrushed, itemInteractivelyBrushed;
+    nod::signal<void(const LinearScale<float> &, const LinearScale<float> &)> scaleChanged;
+    nod::signal<void(float)> glyphSizeChanged;
+
     void setXY(const arma::mat &xy);
     void setColorData(const arma::vec &colorData);
     void setOpacityData(const arma::vec &opacityData);
     void setScale(const LinearScale<float> &sx, const LinearScale<float> &sy);
     void setSelection(const std::vector<bool> &selection);
     void brushItem(int item);
+    void update();
 
 protected:
-    QSGNode *updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *);
-    void mousePressEvent(QMouseEvent *event);
-    void mouseMoveEvent(QMouseEvent *event);
-    void mouseReleaseEvent(QMouseEvent *event);
+    // QSGNode *updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *);
+    // void mousePressEvent(QMouseEvent *event);
+    // void mouseMoveEvent(QMouseEvent *event);
+    // void mouseReleaseEvent(QMouseEvent *event);
 
-    void hoverEnterEvent(QHoverEvent *event);
-    void hoverMoveEvent(QHoverEvent *event);
-    void hoverLeaveEvent(QHoverEvent *event);
+    // void hoverEnterEvent(QHoverEvent *event);
+    // void hoverMoveEvent(QHoverEvent *event);
+    // void hoverLeaveEvent(QHoverEvent *event);
 
 private:
-    QSGNode *newSceneGraph();
-    QSGNode *newGlyphTree();
+    // QSGNode *newSceneGraph();
+    // QSGNode *newGlyphTree();
 
     void applyManipulation();
-    void updateGlyphs(QSGNode *node);
-    void updateBrush(QSGNode *node);
+    // void updateGlyphs(QSGNode *node);
+    // void updateBrush(QSGNode *node);
 
     // Data
     arma::mat m_xy;
@@ -76,8 +73,9 @@ private:
     arma::vec m_opacityData;
 
     // Visuals
+    float m_x, m_y, m_width, m_height;
     float m_glyphSize;
-    const ColorScale *m_colorScale;
+    std::shared_ptr<const ColorScale> m_colorScale;
 
     void autoScale();
     bool m_autoScale;
@@ -98,11 +96,11 @@ private:
     } m_interactionState;
     bool m_dragEnabled;
 
-    QPointF m_dragOriginPos, m_dragCurrentPos;
+    Point2D m_dragOriginPos, m_dragCurrentPos;
 
     bool m_shouldUpdateGeometry, m_shouldUpdateMaterials;
 
-    QuadTree *m_quadtree;
+    std::unique_ptr<QuadTree> m_quadtree;
     void updateQuadTree();
 };
 
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