Visual C Windows Programming

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Visual C Windows Programming
??? ??????????
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??

• ???????
• ????????

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???????

• ???????
• ????????????????,?????????,??????????,???????????
• MFC ?? CScrollView ? Class ,????? CView ? Class
  ,????????? CScrollView ,???????????????

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??????? (?)

• ?????????????
• ????????,??????????? (physical coordinate)
  ,?????????? (logical coordinate) ?
• ??????????????,?????????????????????????????,?????
  ??????
• ????????,??? CScrollViewGetScrollPosition ???

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??????? (?)

• CSplitterWnd
• ??????,?????????????????????????????????????
• ??????????????????????????????????,???????
  CSplitterWnd ??????

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(No Transcript)
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??????? (?)

• ????????????????
• ??????? (CFrameWnd, etc) ???CSplitterWnd ???????
• ?? CFrameWndOnCreateClient ??,??????
  CSplitterWndCreate ???
• ????????????????

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• include ltafxwin.hgt
• include ltafxtempl.hgt
• include ltafxext.hgt
• include "resource.h"
• class CGObject public CObject
• public
• int shapenum
• BOOL fill
• COLORREF FillColor, LineColor
• int width
• CPoint StartPnt, EndPnt
• CGObject()
• CGObject(int shapenum, BOOL fill, COLORREF
  FillColor, COLORREF LineColor,
• int width, CPoint StartPnt, CPoint
  EndPnt)
• shapenum(shapenum), fill(fill),
  FillColor(FillColor), LineColor(LineColor),
• width(width), StartPnt(StartPnt),
  EndPnt(EndPnt)
• CGObject(CGObject g)

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• class Shape
• protected
• CPoint StartPnt, EndPnt
• int shapenum
• friend class CMyView
• public
• Shape(CPoint StartPnt, CPoint EndPnt, int
  shapenum)
• StartPnt(StartPnt), EndPnt(EndPnt),
  shapenum(shapenum)
• Shape(Shape s) StartPnt(s.StartPnt),
  EndPnt(s.EndPnt), shapenum(s.shapenum)
• Shape()
• Shape operator (Shape s)
• StartPnt s.StartPnt
• EndPnt s.EndPnt
• return this
• virtual void draw(CDC aDC, COLORREF color,
  COLORREF fcolor, int width,
• BOOL Filled false) 0
• int GetShapeNum() return shapenum

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• void draw(CDC dc, COLORREF color, COLORREF
  fcolor, int width, BOOL Filled false)
• CPen pen(PS_SOLID, width, color)
• CPen oldPen dc.SelectObject(pen)
• dc.MoveTo(StartPnt)
• dc.LineTo(EndPnt)
• dc.SelectObject(oldPen)
• class ellipse public Shape
• public
• friend class CMyView
• ellipse() shapenum 1
• ellipse(CPoint StartPnt, CPoint EndPnt)
  Shape(StartPnt, EndPnt, 1)
• ellipse(ellipse e) Shape(e.StartPnt,
  e.EndPnt, 1)
• ellipse operator (ellipse e)
• StartPnt e.StartPnt
• EndPnt e.EndPnt
• return this

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• class rectangle public Shape
• public
• friend class CMyView
• rectangle() shapenum 2
• rectangle(CPoint StartPnt, CPoint EndPnt)
  Shape(StartPnt, EndPnt, 2)
• rectangle(rectangle r) Shape(r.StartPnt,
  r.EndPnt, 2)
• rectangle operator (rectangle r)
• StartPnt r.StartPnt
• EndPnt r.EndPnt
• return this
• void draw(CDC dc, COLORREF color, COLORREF
  fcolor, int width, BOOL Filled false)
• CRect rect(StartPnt, EndPnt)
• CPen pen(PS_SOLID, width, color)
• CPen oldPen dc.SelectObject(pen)
• dc.SelectStockObject(NULL_BRUSH)
• dc.Rectangle(rect)
• dc.SelectObject(oldPen)

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• IMPLEMENT_DYNCREATE(CMyDocument, CDocument)
• BEGIN_MESSAGE_MAP(CMyDocument, CDocument)
• END_MESSAGE_MAP()
• class CMyFrame public CFrameWnd
• protected
• CSplitterWnd DynSplit
• CMenu menu
• public
• CToolBar RGBBar, ShapeBar
• CStatusBar statusbar
• CMyFrame()
• CMyFrame()
• BOOL OnCreateClient(LPCREATESTRUCT lpcs,
  CCreateContext pContext)
• return DynSplit.Create(this, 2, 2, CSize(1,
  1), pContext)

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• DockControlBar(RGBBar)
• DockControlBar(ShapeBar)
• static UINT indicators ID_SEPARATOR,
  IDS_RED, IDS_LINE
• statusbar.Create(this)
• statusbar.SetIndicators(indicators,
  sizeof(indicators) / sizeof(UINT))
• return 0
• DECLARE_DYNCREATE(CMyFrame)
• DECLARE_MESSAGE_MAP()
• IMPLEMENT_DYNCREATE(CMyFrame, CFrameWnd)
• BEGIN_MESSAGE_MAP(CMyFrame, CFrameWnd)
• ON_WM_CREATE()
• END_MESSAGE_MAP()
• class CMyView public CScrollView
• private

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• void LogicalCoor(CPoint point)
• CPoint Origin GetScrollPosition()
• point-gtx Origin.x point-gtx
• point-gty Origin.y point-gty
• void PhysicalCoor(CPoint point)
• CPoint Origin GetScrollPosition()
• point-gtx point-gtx - Origin.x
• point-gty point-gty - Origin.y
• afx_msg int OnCreate(LPCREATESTRUCT
  lpCreateStruct)
• if(CScrollViewOnCreate(lpCreateStruct)
  -1) return -1
• CSize DCSize(800, 800)
• SetScrollSizes(MM_TEXT, DCSize)
• return 0

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• aShape new ellipse
• resstr.LoadString(IDS_ELLIPSE)
• ((CMyFrame ) GetParentFrame())-gtstatusbar.S
  etPaneText(2, resstr.GetBuffer(80))
• afx_msg void OnRect()
• CString resstr
• aShape new rectangle
• resstr.LoadString(IDS_RECTANGLE)
• ((CMyFrame ) GetParentFrame())-gtstatusbar.S
  etPaneText(2, resstr.GetBuffer(80))
• afx_msg void OnLine()
• CString resstr
• aShape new Line
• resstr.LoadString(IDS_LINE)
• ((CMyFrame ) GetParentFrame())-gtstatusbar.S
  etPaneText(2, resstr.GetBuffer(80))

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• case 1
• rdShape new ellipse
• break
• case 2
• rdShape new rectangle
• break
• rdShape-gtSetPoint(object-gtStartPnt,
  object-gtEndPnt)
• rdShape-gtdraw((aDC), object-gtLineColor,
  object-gtFillColor, object-gtwidth)
• delete rdShape
• afx_msg void OnLButtonDown(UINT, CPoint
  point)
• SetCapture()
• if(this GetCapture())
• LogicalCoor(point)
• (aShape).StartPnt (aShape).EndPnt
  point
• switch((aShape).shapenum)

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• afx_msg void OnMouseMove(UINT, CPoint point)
  
• if(this GetCapture())
• CClientDC aDC(this)
• aDC.SetROP2(R2_NOT)
• OnPrepareDC(aDC)
• LogicalCoor(point)
• (aShape).draw(aDC, lcolor, fcolor,
  width)
• (aShape).EndPnt point
• (aShape).draw(aDC, lcolor, fcolor,
  width)
• afx_msg void OnLButtonUp(UINT, CPoint point)
  
• if(this GetCapture())
• LogicalCoor(point)
• CClientDC aDC(this)
• OnPrepareDC(aDC)
• (aShape).EndPnt point
• (aShape).draw(aDC, lcolor, fcolor,
  width)

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• afx_msg void OnGreen()
• CString resstr
• lcolor RGB(0, 255, 0)
• resstr.LoadString(IDS_GREEN)
• ((CMyFrame ) GetParentFrame())-gtstatusbar.S
  etPaneText(1, resstr.GetBuffer(80))
• afx_msg void OnBlue()
• CString resstr
• lcolor RGB(0, 0, 255)
• resstr.LoadString(IDS_BLUE)
• ((CMyFrame ) GetParentFrame())-gtstatusbar.S
  etPaneText(1, resstr.GetBuffer(80))
• afx_msg void OnUpdateEllipse(CCmdUI aCmdUI)
  
• aCmdUI-gtSetCheck((aShape).shapenum 1)
• afx_msg void OnUpdateRect(CCmdUI aCmdUI)
• aCmdUI-gtSetCheck((aShape).shapenum 2)

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• DECLARE_DYNCREATE(CMyView)
• DECLARE_MESSAGE_MAP()
• IMPLEMENT_DYNCREATE(CMyView, CScrollView)
• BEGIN_MESSAGE_MAP(CMyView, CScrollView)
• ON_WM_CREATE()
• ON_WM_LBUTTONDOWN()
• ON_WM_MOUSEMOVE()
• ON_WM_LBUTTONUP()
• ON_COMMAND(IDM_RED, OnRed)
• ON_COMMAND(IDM_GREEN, OnGreen)
• ON_COMMAND(IDM_BLUE, OnBlue)
• ON_COMMAND(IDM_LINE, OnLine)
• ON_COMMAND(IDM_ELLIPSE, OnEllipse)
• ON_COMMAND(IDM_RECTANGLE, OnRect)
• ON_UPDATE_COMMAND_UI(IDM_RED, OnUpdateRed)
• ON_UPDATE_COMMAND_UI(IDM_GREEN, OnUpdateGreen)
• ON_UPDATE_COMMAND_UI(IDM_BLUE, OnUpdateBlue)

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• AddDocTemplate(aDocTemplate)
• aDOC aDocTemplate-gtCreateNewDocument()
• CFrameWnd Frame aDocTemplate-gtCreateNewFr
  ame(aDOC, NULL)
• m_pMainWnd Frame
• aDocTemplate-gtInitialUpdateFrame(Frame,
  aDOC)
• Frame-gtShowWindow(SW_SHOW)
• return true
• CMyApp a_app

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??????? (?)

• ?????????????
• ?????????? CSplitterWnd ???????
• ?? CFrameWndOnCreateClient ??,????????
  CSplitterWndCreateStatic ??,?????????
• ?? CSplitterWndCreateView ??,?????????? View
  ???

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??????????

• MDI
• MDI ??????? SDI ??????????,??????????
• ?? MDI ???????????? CMultiDocTemplate?
• ?? MDI ?????,??????????,???????????????,????? MDI
  ????????????,?????? CMDIChildWnd ???
• ?????????????????CMDIFrameWnd???

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• include ltafxwin.hgt
• include ltafxtempl.hgt
• include ltafxext.hgt
• include "resource.h"
• class CMyMDIChild public CMDIChildWnd
• DECLARE_DYNCREATE(CMyMDIChild)
• DECLARE_MESSAGE_MAP()
• IMPLEMENT_DYNCREATE(CMyMDIChild, CMDIChildWnd)
• BEGIN_MESSAGE_MAP(CMyMDIChild, CMDIChildWnd)
• END_MESSAGE_MAP()
• class CGObject public CObject
• public
• int shapenum
• BOOL fill

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• CGObject operator (CGObject g)
• shapenum g.shapenum
• fill g.fill
• FillColor g.FillColor
• LineColor g.LineColor
• width g.width
• StartPnt g.StartPnt
• EndPnt g.EndPnt
• return this
• class Shape
• protected
• CPoint StartPnt, EndPnt
• int shapenum
• friend class CMyView

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• virtual void draw(CDC aDC, COLORREF color,
  COLORREF fcolor, int width, BOOL Filled false)
  0
• int GetShapeNum() return shapenum
• void SetPoint(CPoint SPnt, CPoint EPnt)
  StartPnt SPnt EndPnt EPnt
• class Line public Shape
• public
• friend class CMyView
• Line() shapenum 0
• Line(CPoint StartPnt, CPoint EndPnt)
  Shape(StartPnt, EndPnt, 0)
• Line(Line l) Shape(l.StartPnt, l.EndPnt,
  0)
• Line operator (Line l)
• StartPnt l.StartPnt
• EndPnt l.EndPnt
• return this
• void draw(CDC dc, COLORREF color, COLORREF
  fcolor, int width, BOOL Filled false)
• CPen pen(PS_SOLID, width, color)
• CPen oldPen dc.SelectObject(pen)

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• ellipse operator (ellipse e)
• StartPnt e.StartPnt
• EndPnt e.EndPnt
• return this
• void draw(CDC dc, COLORREF color, COLORREF
  fcolor, int width, BOOL Filled false)
• CRect rect(StartPnt, EndPnt)
• CPen pen(PS_SOLID, width, color)
• CPen oldPen dc.SelectObject(pen)
• dc.SelectStockObject(NULL_BRUSH)
• dc.Ellipse(rect)
• dc.SelectObject(oldPen)
• class rectangle public Shape
• public
• friend class CMyView
• rectangle() shapenum 2

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• void draw(CDC dc, COLORREF color, COLORREF
  fcolor, int width, BOOL Filled false)
• CRect rect(StartPnt, EndPnt)
• CPen pen(PS_SOLID, width, color)
• CPen oldPen dc.SelectObject(pen)
• dc.SelectStockObject(NULL_BRUSH)
• dc.Rectangle(rect)
• dc.SelectObject(oldPen)
• class CMyDocument public CDocument
• private
• CArrayltCGObject, CGObjectgt gArray
• public
• void AddObject(CGObject g) gArray.Add(g)
  
• CGObject GetObject(int i) return
  gArrayi
• int GetSize() return gArray.GetSize()
• DECLARE_DYNCREATE(CMyDocument)

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• CMyFrame()
• CMyFrame()
• afx_msg int OnCreate(LPCREATESTRUCT
  lpCreateStruct)
• if(CMDIFrameWndOnCreate(lpCreateStruct))
  return -1
• RGBBar.Create(this)
• RGBBar.LoadToolBar(IDR_TBRGB)
• RGBBar.EnableDocking(CBRS_ALIGN_ANY)
• RGBBar.SetBarStyle(RGBBar.GetBarStyle()
  CBRS_TOOLTIPS CBRS_FLYBY CBRS_SIZE_DYNAMIC)
• ShapeBar.Create(this)
• ShapeBar.LoadToolBar(IDR_TBSHAPE)
• ShapeBar.EnableDocking(CBRS_ALIGN_ANY)
• ShapeBar.SetBarStyle(RGBBar.GetBarStyle()
  CBRS_TOOLTIPS CBRS_FLYBY CBRS_SIZE_DYNAMIC)
• EnableDocking(CBRS_ALIGN_ANY)
• DockControlBar(RGBBar)
• DockControlBar(ShapeBar)
• static UINT indicators ID_SEPARATOR,
  IDS_RED, IDS_LINE
• statusbar.Create(this)
• statusbar.SetIndicators(indicators,
  sizeof(indicators) / sizeof(UINT))

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• class CMyView public CScrollView
• private
• COLORREF lcolor, fcolor
• Shape aShape
• Shape rdShape
• int width
• HCURSOR hcursor
• public
• CMyView()
• lcolor RGB(255, 0, 0)
• aShape new Line
• fcolor RGB(0, 0, 0)
• width 2
• CMyView()
• afx_msg int OnCreate(LPCREATESTRUCT
  lpCreateStruct)
• if (CScrollViewOnCreate(lpCreateStruct)-
  1) return -1

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• void PhysicalCoor(CPoint point)
• CPoint OriginGetScrollPosition()
• point-gtxpoint-gtx-Origin.x
• point-gtypoint-gty-Origin.y
• afx_msg void OnEllipse()
• CString resstr
• aShape new ellipse
• resstr.LoadString(IDS_ELLIPSE)
• ((CMyFrame ) AfxGetMainWnd())-gtstatusbar.Se
  tPaneText(2, resstr.GetBuffer(80))
• afx_msg void OnRect()
• CString resstr
• aShape new rectangle
• resstr.LoadString(IDS_RECTANGLE)
• ((CMyFrame ) AfxGetMainWnd())-gtstatusbar.Se
  tPaneText(2, resstr.GetBuffer(80))

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• afx_msg void OnDraw(CDC aDC)
• CMyDocument doc (CMyDocument )
  GetDocument()
• int num doc-gtGetSize()
• CViewOnDraw(aDC)
• int i
• for(i 0 i lt num i)
• CGObject object (doc-gtGetObject(i))
• switch(object-gtshapenum)
• case 0
• rdShape new Line
• break
• case 1
• rdShape new ellipse
• break
• case 2
• rdShape new rectangle
• break

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• afx_msg void OnLButtonDown(UINT, CPoint
  point)
• SetCapture()
• if(this GetCapture())
• LogicalCoor(point)
• (aShape).StartPnt (aShape).EndPnt
  point
• switch((aShape).shapenum)
• case 0
• hcursor AfxGetApp()-gtLoadCursor(IDC_
  LINE)
• SetCursor(hcursor)
• break
• case 1
• hcursor AfxGetApp()-gtLoadCursor(IDC_
  ELLIPSE)
• SetCursor(hcursor)
• break
• case 2
• hcursor AfxGetApp()-gtLoadCursor(IDC_
  RECT)
• SetCursor(hcursor)
• break

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• afx_msg void OnLButtonUp(UINT, CPoint point)
  
• if(this GetCapture())
• LogicalCoor(point)
• CClientDC aDC(this)
• (aShape).EndPnt point
• // (aShape).draw(aDC, lcolor, fcolor,
  width)
• CGObject object(aShape-gtGetShapeNum(),
  true, fcolor, lcolor, width,
• aShape-gtStartPnt,
  aShape-gtEndPnt)
• CMyDocument doc (CMyDocument )
  GetDocument()
• doc-gtAddObject(object)
• PhysicalCoor(aShape-gtStartPnt)
• PhysicalCoor(aShape-gtEndPnt)
• CRect rect(aShape-gtStartPnt,aShape-gtEndPnt
  )
• rect.NormalizeRect()
• rect.InflateRect(5,5)

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• afx_msg void OnGreen()
• CString resstr
• lcolor RGB(0, 255, 0)
• resstr.LoadString(IDS_GREEN)
• ((CMyFrame ) AfxGetMainWnd())-gtstatusbar.Se
  tPaneText(1, resstr.GetBuffer(80))
• afx_msg void OnBlue()
• CString resstr
• lcolor RGB(0, 0, 255)
• resstr.LoadString(IDS_BLUE)
• ((CMyFrame ) AfxGetMainWnd())-gtstatusbar.Se
  tPaneText(1, resstr.GetBuffer(80))
• afx_msg void OnUpdateEllipse(CCmdUI aCmdUI)
  
• aCmdUI-gtSetCheck((aShape).shapenum 1)
• afx_msg void OnUpdateRect(CCmdUI aCmdUI)
• aCmdUI-gtSetCheck((aShape).shapenum 2)

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• DECLARE_DYNCREATE(CMyView)
• DECLARE_MESSAGE_MAP()
• IMPLEMENT_DYNCREATE(CMyView, CScrollView)
• BEGIN_MESSAGE_MAP(CMyView, CScrollView)
• ON_WM_CREATE()
• ON_WM_LBUTTONDOWN()
• ON_WM_MOUSEMOVE()
• ON_WM_LBUTTONUP()
• ON_COMMAND(IDM_RED, OnRed)
• ON_COMMAND(IDM_GREEN, OnGreen)
• ON_COMMAND(IDM_BLUE, OnBlue)
• ON_COMMAND(IDM_LINE, OnLine)
• ON_COMMAND(IDM_ELLIPSE, OnEllipse)
• ON_COMMAND(IDM_RECTANGLE, OnRect)
• ON_UPDATE_COMMAND_UI(IDM_RED, OnUpdateRed)
• ON_UPDATE_COMMAND_UI(IDM_GREEN, OnUpdateGreen)

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• class CMyApp public CWinApp
• public
• BOOL InitInstance()
• CMultiDocTemplate aDocTemplate
• aDocTemplate new CMultiDocTemplate(IDR_Chi
  ldMENU,
• 
  RUNTIME_CLASS(CMyDocument),
• 
  RUNTIME_CLASS(CMyMDIChild),
• 
  RUNTIME_CLASS(CMyView))
• AddDocTemplate(aDocTemplate)
• CMyFrame Frame new CMyFrame
• m_pMainWnd Frame
• Frame-gtLoadFrame(IDR_MENU)
• Frame-gtShowWindow(SW_SHOW)
• if (m_lpCmdLine0'\0')
• OnFileNew()
• return true
• DECLARE_MESSAGE_MAP()