1 files changed, 354 insertions, 354 deletions
diff --git a/wx+/graph.h b/wx+/graph.h
index 84927b6d..3b2d390d 100644..100755
--- a/wx+/graph.h
+++ b/wx+/graph.h
@@ -1,354 +1,354 @@
-// *****************************************************************************
-// * This file is part of the FreeFileSync project. It is distributed under    *
-// * GNU General Public License: http://www.gnu.org/licenses/gpl-3.0           *
-// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
-// *****************************************************************************
-
-#ifndef GRAPH_H_234425245936567345799
-#define GRAPH_H_234425245936567345799
-
-#include <map>
-#include <vector>
-#include <memory>
-#include <wx/panel.h>
-#include <wx/settings.h>
-#include <wx/bitmap.h>
-#include <zen/string_tools.h>
-#include <zen/optional.h>
-
-//elegant 2D graph as wxPanel specialization
-
-namespace zen
-{
-/*
-Example:
-    //init graph (optional)
-    m_panelGraph->setAttributes(Graph2D::MainAttributes().
-                                setLabelX(Graph2D::LABEL_X_BOTTOM, 20, std::make_shared<LabelFormatterTimeElapsed>()).
-                                setLabelY(Graph2D::LABEL_Y_RIGHT,  60, std::make_shared<LabelFormatterBytes>()));
-    //set graph data
-    std::shared_ptr<CurveData> curveDataBytes = ...
-    m_panelGraph->setCurve(curveDataBytes, Graph2D::CurveAttributes().setLineWidth(2).setColor(wxColor(0, 192, 0)));
-*/
-
-struct CurvePoint
-{
-    CurvePoint() {}
-    CurvePoint(double xVal, double yVal) : x(xVal), y(yVal) {}
-    double x = 0;
-    double y = 0;
-};
-inline bool operator==(const CurvePoint& lhs, const CurvePoint& rhs) { return lhs.x == rhs.x && lhs.y == rhs.y; }
-inline bool operator!=(const CurvePoint& lhs, const CurvePoint& rhs) { return !(lhs == rhs); }
-
-
-struct CurveData
-{
-    virtual ~CurveData() {}
-
-    virtual std::pair<double, double> getRangeX() const = 0;
-    virtual std::vector<CurvePoint> getPoints(double minX, double maxX, int pixelWidth) const = 0; //points outside the draw area are automatically trimmed!
-};
-
-//special curve types:
-struct ContinuousCurveData : public CurveData
-{
-    virtual double getValue(double x) const = 0;
-
-private:
-    std::vector<CurvePoint> getPoints(double minX, double maxX, int pixelWidth) const override;
-};
-
-struct SparseCurveData : public CurveData
-{
-    SparseCurveData(bool addSteps = false) : addSteps_(addSteps) {} //addSteps: add points to get a staircase effect or connect points via a direct line
-
-    virtual Opt<CurvePoint> getLessEq   (double x) const = 0;
-    virtual Opt<CurvePoint> getGreaterEq(double x) const = 0;
-
-private:
-    std::vector<CurvePoint> getPoints(double minX, double maxX, int pixelWidth) const override;
-    const bool addSteps_;
-};
-
-
-struct ArrayCurveData : public SparseCurveData
-{
-    virtual double getValue(size_t pos) const = 0;
-    virtual size_t getSize ()           const = 0;
-
-private:
-    std::pair<double, double> getRangeX() const override { const size_t sz = getSize(); return std::make_pair(0.0, sz == 0 ? 0.0 : sz - 1.0); }
-
-    Opt<CurvePoint> getLessEq(double x) const override
-    {
-        const size_t sz = getSize();
-        const size_t pos = std::min<ptrdiff_t>(std::floor(x), sz - 1); //[!] expect unsigned underflow if empty!
-        if (pos < sz)
-            return CurvePoint(pos, getValue(pos));
-        return NoValue();
-    }
-
-    Opt<CurvePoint> getGreaterEq(double x) const override
-    {
-        const size_t pos = std::max<ptrdiff_t>(std::ceil(x), 0); //[!] use std::max with signed type!
-        if (pos < getSize())
-            return CurvePoint(pos, getValue(pos));
-        return NoValue();
-    }
-};
-
-
-struct VectorCurveData : public ArrayCurveData
-{
-    std::vector<double>& refData() { return data; }
-private:
-    double getValue(size_t pos) const override { return pos < data.size() ? data[pos] : 0; }
-    size_t getSize()            const override { return data.size(); }
-
-    std::vector<double> data;
-};
-
-//------------------------------------------------------------------------------------------------------------
-
-struct LabelFormatter
-{
-    virtual ~LabelFormatter() {}
-
-    //determine convenient graph label block size in unit of data: usually some small deviation on "sizeProposed"
-    virtual double getOptimalBlockSize(double sizeProposed) const = 0;
-
-    //create human-readable text for x or y-axis position
-    virtual wxString formatText(double value, double optimalBlockSize) const = 0;
-};
-
-
-double nextNiceNumber(double blockSize); //round to next number which is convenient to read, e.g. 2.13 -> 2; 2.7 -> 2.5
-
-struct DecimalNumberFormatter : public LabelFormatter
-{
-    double   getOptimalBlockSize(double sizeProposed                  ) const override { return nextNiceNumber(sizeProposed); }
-    wxString formatText         (double value, double optimalBlockSize) const override { return zen::numberTo<wxString>(value); }
-};
-
-//------------------------------------------------------------------------------------------------------------
-
-//emit data selection event
-//Usage: wnd.Connect(wxEVT_GRAPH_SELECTION, GraphSelectEventHandler(MyDlg::OnGraphSelection), nullptr, this);
-//       void MyDlg::OnGraphSelection(GraphSelectEvent& event);
-
-extern const wxEventType wxEVT_GRAPH_SELECTION;
-
-struct SelectionBlock
-{
-    CurvePoint from;
-    CurvePoint to;
-};
-
-class GraphSelectEvent : public wxCommandEvent
-{
-public:
-    GraphSelectEvent(const SelectionBlock& selBlock) : wxCommandEvent(wxEVT_GRAPH_SELECTION), selBlock_(selBlock) {}
-    wxEvent* Clone() const override { return new GraphSelectEvent(selBlock_); }
-
-    SelectionBlock getSelection() { return selBlock_; }
-
-private:
-    SelectionBlock selBlock_;
-};
-
-using GraphSelectEventFunction = void (wxEvtHandler::*)(GraphSelectEvent&);
-
-#define GraphSelectEventHandler(func) \
-    (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(GraphSelectEventFunction, &func)
-
-//------------------------------------------------------------------------------------------------------------
-
-class Graph2D : public wxPanel
-{
-public:
-    Graph2D(wxWindow* parent,
-            wxWindowID winid     = wxID_ANY,
-            const wxPoint& pos   = wxDefaultPosition,
-            const wxSize& size   = wxDefaultSize,
-            long style           = wxTAB_TRAVERSAL | wxNO_BORDER,
-            const wxString& name = wxPanelNameStr);
-
-    class CurveAttributes
-    {
-    public:
-        CurveAttributes() {} //required by GCC
-        CurveAttributes& setColor     (const wxColor& col) { color = col; autoColor = false; return *this; }
-        CurveAttributes& fillCurveArea  (const wxColor& col) { fillColor = col; fillMode = FILL_CURVE;   return *this; }
-        CurveAttributes& fillPolygonArea(const wxColor& col) { fillColor = col; fillMode = FILL_POLYGON; return *this; }
-        CurveAttributes& setLineWidth(size_t width) { lineWidth = static_cast<int>(width); return *this; }
-
-    private:
-        friend class Graph2D;
-
-        bool autoColor = true;
-        wxColor color;
-
-        enum FillMode
-        {
-            FILL_NONE,
-            FILL_CURVE,
-            FILL_POLYGON
-        };
-
-        FillMode fillMode = FILL_NONE;
-        wxColor fillColor;
-
-        int lineWidth = 2;
-    };
-
-    void setCurve(const std::shared_ptr<CurveData>& data, const CurveAttributes& ca = CurveAttributes());
-    void addCurve(const std::shared_ptr<CurveData>& data, const CurveAttributes& ca = CurveAttributes());
-
-    static wxColor getBorderColor() { return { 130, 135, 144 }; } //medium grey, the same Win7 uses for other frame borders => not accessible! but no big deal...
-
-    enum PosLabelY
-    {
-        LABEL_Y_LEFT,
-        LABEL_Y_RIGHT,
-        LABEL_Y_NONE
-    };
-
-    enum PosLabelX
-    {
-        LABEL_X_TOP,
-        LABEL_X_BOTTOM,
-        LABEL_X_NONE
-    };
-
-    enum PosCorner
-    {
-        CORNER_TOP_LEFT,
-        CORNER_TOP_RIGHT,
-        CORNER_BOTTOM_LEFT,
-        CORNER_BOTTOM_RIGHT,
-    };
-
-    enum SelMode
-    {
-        SELECT_NONE,
-        SELECT_RECTANGLE,
-        SELECT_X_AXIS,
-        SELECT_Y_AXIS,
-    };
-
-    class MainAttributes
-    {
-    public:
-        MainAttributes& setMinX(double newMinX) { minX = newMinX; minXauto = false; return *this; }
-        MainAttributes& setMaxX(double newMaxX) { maxX = newMaxX; maxXauto = false; return *this; }
-
-        MainAttributes& setMinY(double newMinY) { minY = newMinY; minYauto = false; return *this; }
-        MainAttributes& setMaxY(double newMaxY) { maxY = newMaxY; maxYauto = false; return *this; }
-
-        MainAttributes& setAutoSize() { minXauto = maxXauto = minYauto = maxYauto = true; return *this; }
-
-        MainAttributes& setLabelX(PosLabelX posX, size_t height = 25, std::shared_ptr<LabelFormatter> newLabelFmt = std::make_shared<DecimalNumberFormatter>())
-        {
-            labelposX    = posX;
-            xLabelHeight = static_cast<int>(height);
-            labelFmtX    = newLabelFmt;
-            return *this;
-        }
-        MainAttributes& setLabelY(PosLabelY posY, size_t width = 60, std::shared_ptr<LabelFormatter> newLabelFmt = std::make_shared<DecimalNumberFormatter>())
-        {
-            labelposY    = posY;
-            yLabelWidth  = static_cast<int>(width);
-            labelFmtY    = newLabelFmt;
-            return *this;
-        }
-
-        MainAttributes& setCornerText(const wxString& txt, PosCorner pos) { cornerTexts[pos] = txt; return *this; }
-
-        MainAttributes& setBackgroundColor(const wxColor& col) { backgroundColor = col; return *this; }
-
-        MainAttributes& setSelectionMode(SelMode mode) { mouseSelMode = mode; return *this; }
-
-    private:
-        friend class Graph2D;
-
-        bool minXauto = true; //autodetect range for X value
-        bool maxXauto = true;
-        double minX = 0; //x-range to visualize
-        double maxX = 0; //
-
-        bool minYauto = true; //autodetect range for Y value
-        bool maxYauto = true;
-        double minY = 0; //y-range to visualize
-        double maxY = 0; //
-
-        PosLabelX labelposX = LABEL_X_BOTTOM;
-        int xLabelHeight = 25;
-        std::shared_ptr<LabelFormatter> labelFmtX = std::make_shared<DecimalNumberFormatter>();
-
-        PosLabelY labelposY = LABEL_Y_LEFT;
-        int yLabelWidth = 60;
-        std::shared_ptr<LabelFormatter> labelFmtY = std::make_shared<DecimalNumberFormatter>();
-
-        std::map<PosCorner, wxString> cornerTexts;
-
-        wxColor backgroundColor = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
-        SelMode mouseSelMode = SELECT_RECTANGLE;
-    };
-    void setAttributes(const MainAttributes& newAttr) { attr = newAttr; Refresh(); }
-    MainAttributes getAttributes() const { return attr; }
-
-    std::vector<SelectionBlock> getSelections() const { return oldSel; }
-    void setSelections(const std::vector<SelectionBlock>& sel)
-    {
-        oldSel = sel;
-        activeSel.reset();
-        Refresh();
-    }
-    void clearSelection() { oldSel.clear(); Refresh(); }
-
-private:
-    void OnMouseLeftDown(wxMouseEvent& event);
-    void OnMouseMovement(wxMouseEvent& event);
-    void OnMouseLeftUp  (wxMouseEvent& event);
-    void OnMouseCaptureLost(wxMouseCaptureLostEvent& event);
-
-    void onPaintEvent(wxPaintEvent& event);
-    void onSizeEvent(wxSizeEvent& event) { Refresh(); event.Skip(); }
-    void onEraseBackGround(wxEraseEvent& event) {}
-
-    void render(wxDC& dc) const;
-
-    class MouseSelection
-    {
-    public:
-        MouseSelection(wxWindow& wnd, const wxPoint& posDragStart) : wnd_(wnd), posDragStart_(posDragStart), posDragCurrent(posDragStart) { wnd_.CaptureMouse(); }
-        ~MouseSelection() { if (wnd_.HasCapture()) wnd_.ReleaseMouse(); }
-
-        wxPoint getStartPos() const { return posDragStart_; }
-        wxPoint& refCurrentPos() { return posDragCurrent; }
-
-        SelectionBlock& refSelection() { return selBlock; } //updated in Graph2d::render(): this is fine, since only what's shown is selected!
-
-    private:
-        wxWindow& wnd_;
-        const wxPoint posDragStart_;
-        wxPoint posDragCurrent;
-        SelectionBlock selBlock;
-    };
-    std::vector<SelectionBlock>     oldSel; //applied selections
-    std::shared_ptr<MouseSelection> activeSel; //set during mouse selection
-
-    MainAttributes attr; //global attributes
-
-    Opt<wxBitmap> doubleBuffer;
-
-    using CurveList = std::vector<std::pair<std::shared_ptr<CurveData>, CurveAttributes>>;
-    CurveList curves_;
-
-    //perf!!! generating the font is *very* expensive! don't do this repeatedly in Graph2D::render()!
-    const wxFont labelFont { wxNORMAL_FONT->GetPointSize(), wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, false, L"Arial" };
-};
-}
-
-#endif //GRAPH_H_234425245936567345799
+// *****************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under    *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl-3.0           *
+// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
+// *****************************************************************************
+
+#ifndef GRAPH_H_234425245936567345799
+#define GRAPH_H_234425245936567345799
+
+#include <map>
+#include <vector>
+#include <memory>
+#include <wx/panel.h>
+#include <wx/settings.h>
+#include <wx/bitmap.h>
+#include <zen/string_tools.h>
+#include <zen/optional.h>
+
+//elegant 2D graph as wxPanel specialization
+
+namespace zen
+{
+/*
+Example:
+    //init graph (optional)
+    m_panelGraph->setAttributes(Graph2D::MainAttributes().
+                                setLabelX(Graph2D::LABEL_X_BOTTOM, 20, std::make_shared<LabelFormatterTimeElapsed>()).
+                                setLabelY(Graph2D::LABEL_Y_RIGHT,  60, std::make_shared<LabelFormatterBytes>()));
+    //set graph data
+    std::shared_ptr<CurveData> curveDataBytes = ...
+    m_panelGraph->setCurve(curveDataBytes, Graph2D::CurveAttributes().setLineWidth(2).setColor(wxColor(0, 192, 0)));
+*/
+
+struct CurvePoint
+{
+    CurvePoint() {}
+    CurvePoint(double xVal, double yVal) : x(xVal), y(yVal) {}
+    double x = 0;
+    double y = 0;
+};
+inline bool operator==(const CurvePoint& lhs, const CurvePoint& rhs) { return lhs.x == rhs.x && lhs.y == rhs.y; }
+inline bool operator!=(const CurvePoint& lhs, const CurvePoint& rhs) { return !(lhs == rhs); }
+
+
+struct CurveData
+{
+    virtual ~CurveData() {}
+
+    virtual std::pair<double, double> getRangeX() const = 0;
+    virtual std::vector<CurvePoint> getPoints(double minX, double maxX, int pixelWidth) const = 0; //points outside the draw area are automatically trimmed!
+};
+
+//special curve types:
+struct ContinuousCurveData : public CurveData
+{
+    virtual double getValue(double x) const = 0;
+
+private:
+    std::vector<CurvePoint> getPoints(double minX, double maxX, int pixelWidth) const override;
+};
+
+struct SparseCurveData : public CurveData
+{
+    SparseCurveData(bool addSteps = false) : addSteps_(addSteps) {} //addSteps: add points to get a staircase effect or connect points via a direct line
+
+    virtual Opt<CurvePoint> getLessEq   (double x) const = 0;
+    virtual Opt<CurvePoint> getGreaterEq(double x) const = 0;
+
+private:
+    std::vector<CurvePoint> getPoints(double minX, double maxX, int pixelWidth) const override;
+    const bool addSteps_;
+};
+
+
+struct ArrayCurveData : public SparseCurveData
+{
+    virtual double getValue(size_t pos) const = 0;
+    virtual size_t getSize ()           const = 0;
+
+private:
+    std::pair<double, double> getRangeX() const override { const size_t sz = getSize(); return std::make_pair(0.0, sz == 0 ? 0.0 : sz - 1.0); }
+
+    Opt<CurvePoint> getLessEq(double x) const override
+    {
+        const size_t sz = getSize();
+        const size_t pos = std::min<ptrdiff_t>(std::floor(x), sz - 1); //[!] expect unsigned underflow if empty!
+        if (pos < sz)
+            return CurvePoint(pos, getValue(pos));
+        return NoValue();
+    }
+
+    Opt<CurvePoint> getGreaterEq(double x) const override
+    {
+        const size_t pos = std::max<ptrdiff_t>(std::ceil(x), 0); //[!] use std::max with signed type!
+        if (pos < getSize())
+            return CurvePoint(pos, getValue(pos));
+        return NoValue();
+    }
+};
+
+
+struct VectorCurveData : public ArrayCurveData
+{
+    std::vector<double>& refData() { return data; }
+private:
+    double getValue(size_t pos) const override { return pos < data.size() ? data[pos] : 0; }
+    size_t getSize()            const override { return data.size(); }
+
+    std::vector<double> data;
+};
+
+//------------------------------------------------------------------------------------------------------------
+
+struct LabelFormatter
+{
+    virtual ~LabelFormatter() {}
+
+    //determine convenient graph label block size in unit of data: usually some small deviation on "sizeProposed"
+    virtual double getOptimalBlockSize(double sizeProposed) const = 0;
+
+    //create human-readable text for x or y-axis position
+    virtual wxString formatText(double value, double optimalBlockSize) const = 0;
+};
+
+
+double nextNiceNumber(double blockSize); //round to next number which is convenient to read, e.g. 2.13 -> 2; 2.7 -> 2.5
+
+struct DecimalNumberFormatter : public LabelFormatter
+{
+    double   getOptimalBlockSize(double sizeProposed                  ) const override { return nextNiceNumber(sizeProposed); }
+    wxString formatText         (double value, double optimalBlockSize) const override { return zen::numberTo<wxString>(value); }
+};
+
+//------------------------------------------------------------------------------------------------------------
+
+//emit data selection event
+//Usage: wnd.Connect(wxEVT_GRAPH_SELECTION, GraphSelectEventHandler(MyDlg::OnGraphSelection), nullptr, this);
+//       void MyDlg::OnGraphSelection(GraphSelectEvent& event);
+
+extern const wxEventType wxEVT_GRAPH_SELECTION;
+
+struct SelectionBlock
+{
+    CurvePoint from;
+    CurvePoint to;
+};
+
+class GraphSelectEvent : public wxCommandEvent
+{
+public:
+    GraphSelectEvent(const SelectionBlock& selBlock) : wxCommandEvent(wxEVT_GRAPH_SELECTION), selBlock_(selBlock) {}
+    wxEvent* Clone() const override { return new GraphSelectEvent(selBlock_); }
+
+    SelectionBlock getSelection() { return selBlock_; }
+
+private:
+    SelectionBlock selBlock_;
+};
+
+using GraphSelectEventFunction = void (wxEvtHandler::*)(GraphSelectEvent&);
+
+#define GraphSelectEventHandler(func) \
+    (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(GraphSelectEventFunction, &func)
+
+//------------------------------------------------------------------------------------------------------------
+
+class Graph2D : public wxPanel
+{
+public:
+    Graph2D(wxWindow* parent,
+            wxWindowID winid     = wxID_ANY,
+            const wxPoint& pos   = wxDefaultPosition,
+            const wxSize& size   = wxDefaultSize,
+            long style           = wxTAB_TRAVERSAL | wxNO_BORDER,
+            const wxString& name = wxPanelNameStr);
+
+    class CurveAttributes
+    {
+    public:
+        CurveAttributes() {} //required by GCC
+        CurveAttributes& setColor     (const wxColor& col) { color = col; autoColor = false; return *this; }
+        CurveAttributes& fillCurveArea  (const wxColor& col) { fillColor = col; fillMode = FILL_CURVE;   return *this; }
+        CurveAttributes& fillPolygonArea(const wxColor& col) { fillColor = col; fillMode = FILL_POLYGON; return *this; }
+        CurveAttributes& setLineWidth(size_t width) { lineWidth = static_cast<int>(width); return *this; }
+
+    private:
+        friend class Graph2D;
+
+        bool autoColor = true;
+        wxColor color;
+
+        enum FillMode
+        {
+            FILL_NONE,
+            FILL_CURVE,
+            FILL_POLYGON
+        };
+
+        FillMode fillMode = FILL_NONE;
+        wxColor fillColor;
+
+        int lineWidth = 2;
+    };
+
+    void setCurve(const std::shared_ptr<CurveData>& data, const CurveAttributes& ca = CurveAttributes());
+    void addCurve(const std::shared_ptr<CurveData>& data, const CurveAttributes& ca = CurveAttributes());
+
+    static wxColor getBorderColor() { return { 130, 135, 144 }; } //medium grey, the same Win7 uses for other frame borders => not accessible! but no big deal...
+
+    enum PosLabelY
+    {
+        LABEL_Y_LEFT,
+        LABEL_Y_RIGHT,
+        LABEL_Y_NONE
+    };
+
+    enum PosLabelX
+    {
+        LABEL_X_TOP,
+        LABEL_X_BOTTOM,
+        LABEL_X_NONE
+    };
+
+    enum PosCorner
+    {
+        CORNER_TOP_LEFT,
+        CORNER_TOP_RIGHT,
+        CORNER_BOTTOM_LEFT,
+        CORNER_BOTTOM_RIGHT,
+    };
+
+    enum SelMode
+    {
+        SELECT_NONE,
+        SELECT_RECTANGLE,
+        SELECT_X_AXIS,
+        SELECT_Y_AXIS,
+    };
+
+    class MainAttributes
+    {
+    public:
+        MainAttributes& setMinX(double newMinX) { minX = newMinX; minXauto = false; return *this; }
+        MainAttributes& setMaxX(double newMaxX) { maxX = newMaxX; maxXauto = false; return *this; }
+
+        MainAttributes& setMinY(double newMinY) { minY = newMinY; minYauto = false; return *this; }
+        MainAttributes& setMaxY(double newMaxY) { maxY = newMaxY; maxYauto = false; return *this; }
+
+        MainAttributes& setAutoSize() { minXauto = maxXauto = minYauto = maxYauto = true; return *this; }
+
+        MainAttributes& setLabelX(PosLabelX posX, size_t height = 25, std::shared_ptr<LabelFormatter> newLabelFmt = std::make_shared<DecimalNumberFormatter>())
+        {
+            labelposX    = posX;
+            xLabelHeight = static_cast<int>(height);
+            labelFmtX    = newLabelFmt;
+            return *this;
+        }
+        MainAttributes& setLabelY(PosLabelY posY, size_t width = 60, std::shared_ptr<LabelFormatter> newLabelFmt = std::make_shared<DecimalNumberFormatter>())
+        {
+            labelposY    = posY;
+            yLabelWidth  = static_cast<int>(width);
+            labelFmtY    = newLabelFmt;
+            return *this;
+        }
+
+        MainAttributes& setCornerText(const wxString& txt, PosCorner pos) { cornerTexts[pos] = txt; return *this; }
+
+        MainAttributes& setBackgroundColor(const wxColor& col) { backgroundColor = col; return *this; }
+
+        MainAttributes& setSelectionMode(SelMode mode) { mouseSelMode = mode; return *this; }
+
+    private:
+        friend class Graph2D;
+
+        bool minXauto = true; //autodetect range for X value
+        bool maxXauto = true;
+        double minX = 0; //x-range to visualize
+        double maxX = 0; //
+
+        bool minYauto = true; //autodetect range for Y value
+        bool maxYauto = true;
+        double minY = 0; //y-range to visualize
+        double maxY = 0; //
+
+        PosLabelX labelposX = LABEL_X_BOTTOM;
+        int xLabelHeight = 25;
+        std::shared_ptr<LabelFormatter> labelFmtX = std::make_shared<DecimalNumberFormatter>();
+
+        PosLabelY labelposY = LABEL_Y_LEFT;
+        int yLabelWidth = 60;
+        std::shared_ptr<LabelFormatter> labelFmtY = std::make_shared<DecimalNumberFormatter>();
+
+        std::map<PosCorner, wxString> cornerTexts;
+
+        wxColor backgroundColor = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
+        SelMode mouseSelMode = SELECT_RECTANGLE;
+    };
+    void setAttributes(const MainAttributes& newAttr) { attr = newAttr; Refresh(); }
+    MainAttributes getAttributes() const { return attr; }
+
+    std::vector<SelectionBlock> getSelections() const { return oldSel; }
+    void setSelections(const std::vector<SelectionBlock>& sel)
+    {
+        oldSel = sel;
+        activeSel.reset();
+        Refresh();
+    }
+    void clearSelection() { oldSel.clear(); Refresh(); }
+
+private:
+    void OnMouseLeftDown(wxMouseEvent& event);
+    void OnMouseMovement(wxMouseEvent& event);
+    void OnMouseLeftUp  (wxMouseEvent& event);
+    void OnMouseCaptureLost(wxMouseCaptureLostEvent& event);
+
+    void onPaintEvent(wxPaintEvent& event);
+    void onSizeEvent(wxSizeEvent& event) { Refresh(); event.Skip(); }
+    void onEraseBackGround(wxEraseEvent& event) {}
+
+    void render(wxDC& dc) const;
+
+    class MouseSelection
+    {
+    public:
+        MouseSelection(wxWindow& wnd, const wxPoint& posDragStart) : wnd_(wnd), posDragStart_(posDragStart), posDragCurrent(posDragStart) { wnd_.CaptureMouse(); }
+        ~MouseSelection() { if (wnd_.HasCapture()) wnd_.ReleaseMouse(); }
+
+        wxPoint getStartPos() const { return posDragStart_; }
+        wxPoint& refCurrentPos() { return posDragCurrent; }
+
+        SelectionBlock& refSelection() { return selBlock; } //updated in Graph2d::render(): this is fine, since only what's shown is selected!
+
+    private:
+        wxWindow& wnd_;
+        const wxPoint posDragStart_;
+        wxPoint posDragCurrent;
+        SelectionBlock selBlock;
+    };
+    std::vector<SelectionBlock>     oldSel; //applied selections
+    std::shared_ptr<MouseSelection> activeSel; //set during mouse selection
+
+    MainAttributes attr; //global attributes
+
+    Opt<wxBitmap> doubleBuffer;
+
+    using CurveList = std::vector<std::pair<std::shared_ptr<CurveData>, CurveAttributes>>;
+    CurveList curves_;
+
+    //perf!!! generating the font is *very* expensive! don't do this repeatedly in Graph2D::render()!
+    const wxFont labelFont { wxNORMAL_FONT->GetPointSize(), wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, false, L"Arial" };
+};
+}
+
+#endif //GRAPH_H_234425245936567345799