#pragma once
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#include <functional>
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#ifndef EQSGRAPHWND_TAG
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#ifdef _WIN32
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#define EQSGRAPHWND_CLASSA "EqsGraphWnd"
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#define EQSGRAPHWND_CLASSW L"EqsGraphWnd"
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#ifdef UNICODE
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#define EQSGRAPHWND_CLASS EQSGRAPHWND_CLASSW
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#else
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#define EQSGRAPHWND_CLASS EQSGRAPHWND_CLASSA
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#endif
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#else
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#define EQSGRAPHWND_CLASS "EqsGraphWnd"
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#endif
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#define EQSGRAPHWND_TAG _T("EQSGRAPHWND_TAG")
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#define EQSGRAPHWND_FIRST (0U-2890U)
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#define EQSGRAPHWND_LAST (0U-2850U)
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#define EQSGRAPHWND_ (EQSGRAPHWND_FIRST - 1)
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#ifndef MIN
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#define MIN(X,Y) (((X)>(Y))?(Y):(X))
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#endif
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#ifndef MAX
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#define MAX(X,Y) (((X)>(Y))?(X):(Y))
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#endif
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#define EQITEM_INDICATOR_COUNT 8
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enum EIndicatorState
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{
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INDICATOR_STATE_HIDDEN = 0,
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INDICATOR_STATE_HIGHLIGHT = 1,
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INDICATOR_STATE_GRAY = 2,
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};
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typedef struct tagEQSGRAPHWND_NMHDR
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{
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NMHDR nmhdr;
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DWORD dwData;
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DWORD dwData1;
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DWORD dwData2;
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} EQSGRAPHWND_NMHDR;
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typedef struct tagEQITEM
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{
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unsigned int id;
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RECT rect;
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char text[64];
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BOOL bHighlight;
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int nShowType;
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DWORD_PTR pData;
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DWORD_PTR pInPins;
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DWORD_PTR pOutPins;
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int nFlashFlag;
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BYTE nIndicatorState[EQITEM_INDICATOR_COUNT]; // 0=隐藏, 1=高亮, 2=灰色
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} EQITEM;
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typedef struct tagPIN
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{
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int nIndex;
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int nType;
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char text[64];
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BOOL bHighlight;
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EQITEM* pItem;
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tagPIN *pConnectedPin;
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POINT ptConnectedLine[6];
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int nLinePtCount;
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DWORD_PTR pData;
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} PIN;
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#define ITEM_NORMAL 0
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#define ITEM_SMALL 1
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#define ITEM_LARGE 2
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#endif
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typedef std::function<bool(PIN *pPin1, PIN *pPin2)> ONCONNECTPIN;
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typedef std::function<bool(PIN *pPin)> ONDISCONNECTPIN;
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typedef std::function<bool(EQITEM* pItem)> ONDELETEEQITEM;
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typedef std::function<void(EQITEM* pItem, int x, int y)> ONEQITEMPOSCHANGED;
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typedef struct _EqsGraphListener
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{
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ONCONNECTPIN onConnectPin;
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ONCONNECTPIN onCheckConnectPin;
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ONDISCONNECTPIN onDisconnectPin;
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ONDELETEEQITEM onDeleteEqItem;
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ONEQITEMPOSCHANGED onEqItemPosChanged;
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ONDELETEEQITEM onDblckEqItem;
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ONDELETEEQITEM onRclickEqItem;
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ONDELETEEQITEM onSelectEqItem;
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} EqsGraphListener;
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class CEqsGraphWnd
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{
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typedef struct tagRECTF
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{
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float left;
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float top;
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float right;
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float bottom;
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} RECTF;
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public:
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CEqsGraphWnd();
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~CEqsGraphWnd();
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public:
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static BOOL RegisterWndClass();
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static CEqsGraphWnd* FromHandle(HWND hWnd);
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void SetFrameColor(COLORREF color);
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void SetBkgndColor(COLORREF color);
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public:
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void EnableScroll(BOOL bEnable);
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void EnableMultiSelect();
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void SetItemRound(int nRound);
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void SetDefaultItemBackgroundColor(COLORREF crNormal, COLORREF crSel);
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void SetDefaultItemFrameColor(COLORREF crNormal, COLORREF crSel);
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void SetDefaultItemTextColor(COLORREF crNormal, COLORREF crSel);
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void SetOnListener(EqsGraphListener& listener);
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BOOL SetCurSel(int nSel);
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BOOL SetCurSel(CString strItemName);
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BOOL SetCurSel(DWORD_PTR pData);
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EQITEM * AddItem(int id, CString strText, DWORD_PTR dwData, int nType = ITEM_NORMAL);
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void RemoveItem(EQITEM* pItem);
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PIN * AddPin(EQITEM* pItem, int nType, CString strName, DWORD_PTR dwData);
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int DeleteItem(EQITEM* pItem);
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void DeleteAllItems();
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void SetItemSelectState(int nIndex, BOOL bSelect);
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void SetCurrentItem(EQITEM* pItem);
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BOOL GetItemRect(EQITEM* pItem, LPRECT lpRect);
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BOOL GetItemWarperRect(EQITEM* pItem, LPRECT lpRect);
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BOOL GetInPinRect(EQITEM* pItem, int nPinIndex, LPRECT lpRect);
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BOOL GetOutPinRect(EQITEM* pItem, int nPinIndex, LPRECT lpRect);
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BOOL GetPinPoint(PIN *pPin, LPPOINT lpPoint);
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EQITEM* GetItem(DWORD_PTR dwData);
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PIN * GetPin(DWORD_PTR dwItemData, DWORD_PTR dwPinData);
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int ConnectPin(DWORD_PTR dwItem1Data, DWORD_PTR dwPin1Data, DWORD_PTR dwItem2Data, DWORD_PTR dwPin2Data);
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void SetItemText(EQITEM* pItem, CString strText);
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void SetItemType(EQITEM* pItem, int type);
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void SetItemPos(EQITEM* pItem, int x, int y);
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void FlashItem(EQITEM* pItem);
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void AnimationItem(EQITEM*pItem);
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void ShowItemIndicator(DWORD_PTR dwItemData, int state, int nIndex = 0);
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void SetIndicatorSize(int nSize);
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void SetIndicatorMargin(int nMargin);
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private:
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void Init();
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void InitFont();
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void Notify(int nCode, int dwData, int dwData1 = 0, int dwData2 = 0);
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void Release();
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void ReleaseItem(EQITEM* pItem);
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void ReleaseAllItems();
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void CalculateScollbar();
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void CalculateMapPos();
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void CalculateMagneticLine(EQITEM* pItem, LPRECT lprcItemRect, int &hoz, int &ver);
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int HighTest(POINT pt, OUT EQITEM*& pItem, OUT PIN *& pPin);
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int GetPinState(PIN *pPin);
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void ClearConnectedLinePoint(EQITEM*& pItem);
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void DrawMagneticLine(LPRECT lprcClient, int nHozLine1, int nHozLine2, int nVerLine1, int nVerLine2);
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void DrawArrow(Gdiplus::Graphics *pGraphics, Gdiplus::Brush* pBrush, Gdiplus::Pen *pPen,
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int x, int y, int nArrowLen);
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void DrawDropItemRectangle(LPRECT lpRect1, LPRECT lpRect2);
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void DrawPinConnectedLine(Gdiplus::Graphics *pGraphics, Gdiplus::Brush *pBrush, Gdiplus::Pen *pPen, LPPOINT lpPt1, LPPOINT lpPt2,
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LPRECT lpRect1, LPRECT lpRect2, PIN *pOwnerPin);
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void DrawPinWillConnectLine(COLORREF color, LPPOINT lpPt1, LPPOINT lpPt2);
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double PointToSegDist(double x, double y, double x1, double y1, double x2, double y2);
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static CEqsGraphWnd* Hook(HWND hWnd);
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static LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
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static LRESULT OnNcCreate(HWND hWnd, WPARAM wParam, LPARAM lParam);
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LRESULT OnDestroy(WPARAM wParam, LPARAM lParam);
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LRESULT OnTimer(WPARAM wParam, LPARAM lParam);
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LRESULT OnNcPaint(WPARAM wParam, LPARAM lParam);
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LRESULT OnPaint(WPARAM wParam, LPARAM lParam);
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LRESULT OnMouseMove(WPARAM wParam, LPARAM lParam);
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LRESULT OnLButtonDown(WPARAM wParam, LPARAM lParam);
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LRESULT OnRButtonDown(WPARAM wParam, LPARAM lParam);
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LRESULT OnLButtonDblclk(WPARAM wParam, LPARAM lParam);
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LRESULT OnMouseWheel(WPARAM wParam, LPARAM lParam);
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LRESULT OnMouseHWheel(WPARAM wParam, LPARAM lParam);
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LRESULT OnKeyDown(WPARAM wParam, LPARAM lParam);
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LRESULT OnSize(WPARAM wParam, LPARAM lParam);
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LRESULT OnVScroll(WPARAM wParam, LPARAM lParam);
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LRESULT OnHScroll(WPARAM wParam, LPARAM lParam);
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LRESULT OnNitify(WPARAM wParam, LPARAM lParam);
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private:
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EQITEM* m_pCurItem;
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int m_nFlashCount;
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EQITEM* m_pFlashItem;
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EQITEM* m_pAnimationItem;
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PIN * m_pCurPin;
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PIN * m_pSelLineOutPin; // 选中的连线的两个pin中的out pin
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private:
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HWND m_hWnd;
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COLORREF m_crBkgnd;
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COLORREF m_crFrame;
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HFONT m_hFontTitle;
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private:
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BOOL m_bUseGdiPlus; // 使用GDI+绘图？
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COLORREF m_crItemBackground[2]; // item的颜色，normal， active
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COLORREF m_crItemFrame[2]; // item的边框，normal， active
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COLORREF m_crItemNameText[2];
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COLORREF m_crItemIdText[2];
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COLORREF m_crPinBkgnd[3]; // pin的颜色，normal, active, enable connect
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int m_nCurSel;
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EqsGraphListener m_listener;
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CPtrArray m_arItem;
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BOOL m_bMultiSelect;
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int m_nItemRound;
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private:
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int m_nStageCx; // 画布大小
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int m_nStageCy;
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int m_nOffsetX;
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int m_nOffsetY;
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int m_nIndicatorSize;
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int m_nIndicatorMargin;
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// 动画
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RECTF m_rcAnimation;
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RECTF m_rcAninationStep;
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int m_nAninationStep;
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int m_nAninationDuration; // ms
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// 字体
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HFONT m_hFontName;
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HFONT m_hFontId;
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private:
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HWND m_hWndMapPos;
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BOOL m_bEnableScroll;
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int m_nMagneticLinHoz;
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int m_nMagneticLinVer;
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};
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