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//////////////////////////////////////////////////////////////////////////
//
// pgAdmin III - PostgreSQL Tools
//
// Copyright (C) 2002 - 2014, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
// explainCanvas.h - Explain Canvas
//
//////////////////////////////////////////////////////////////////////////
#ifndef EXPLAINCANVAS_H
#define EXPLAINCANVAS_H
#if wxUSE_POPUPWIN
#include "wx/popupwin.h"
#define pgTipWindowBase wxPopupTransientWindow
#else
#include "wx/frame.h"
#define pgTipWindowBase wxFrame
#endif
#include <ogl/ogl.h>
#if wxUSE_DEPRECATED
#error wxUSE_DEPRECATED should be 0!
#endif
class ExplainShape;
class ExplainPopup;
class ExplainText;
class ExplainCanvas : public wxShapeCanvas
{
public:
ExplainCanvas(wxWindow *parent);
~ExplainCanvas();
void ShowPopup(ExplainShape *s);
void SetExplainString(const wxString &str);
void Clear();
void SaveAsImage(const wxString &fileName, wxBitmapType imageType);
private:
void OnMouseMotion(wxMouseEvent &ev);
ExplainShape *rootShape;
ExplainPopup *popup;
DECLARE_EVENT_TABLE()
};
class ExplainShape : public wxBitmapShape
{
public:
ExplainShape(const wxImage &bmp, const wxString &description, long tokenNo = -1, long detailNo = -1);
static ExplainShape *Create(long level, ExplainShape *last, const wxString &str);
void SetCondition(const wxString &str)
{
if (condition.Length() == 0) condition = str;
else condition += wxT(" ") + str;
}
long GetLevel()
{
return level;
}
wxRealPoint GetStartPoint();
wxRealPoint GetEndPoint(int kidNo);
int GetKidno()
{
return kidNo;
}
ExplainShape *GetUpper()
{
return upperShape;
}
double GetAverageCost()
{
return (costHigh - costLow) / 2 + costLow;
}
protected:
void OnDraw(wxDC &dc);
void OnLeftClick(double x, double y, int keys = 0, int attachment = 0);
ExplainShape *upperShape;
void SetLabel(const wxString &str, int tokenNo = -1, int detailNo = -1);
long level;
wxString description, detail, condition, label;
wxString cost, actual;
double costLow, costHigh;
long rows, width;
int kidCount, kidNo;
int totalShapes; // horizontal space usage by shape and its kids
int usedShapes;
bool m_rootShape;
friend class ExplainCanvas;
friend class ExplainText;
};
class ExplainLine : public wxLineShape
{
public:
ExplainLine(ExplainShape *from, ExplainShape *to, double weight = 0);
private:
int width;
void OnDraw(wxDC &dc);
};
class ExplainPopup : public pgTipWindowBase
{
public:
ExplainPopup(ExplainCanvas *parent, ExplainShape *shape, ExplainPopup **popup = NULL);
void Close();
~ExplainPopup();
protected:
// event handlers
void OnMouseClick(wxMouseEvent &event);
void OnMouseMove(wxMouseEvent &ev);
#if !wxUSE_POPUPWIN
void OnActivate(wxActivateEvent &event);
void OnKillFocus(wxFocusEvent &event);
#else // wxUSE_POPUPWIN
virtual void OnDismiss();
void OnMouseLost(wxMouseCaptureLostEvent &ev);
#endif // wxUSE_POPUPWIN/!wxUSE_POPUPWIN
ExplainPopup **m_ptr;
wxRect m_rectBound;
ExplainText *m_explainText;
#if !wxUSE_POPUPWIN
long m_creationTime;
#endif // !wxUSE_POPUPWIN
friend class ExplainText;
DECLARE_EVENT_TABLE()
};
#endif
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